loncom/interface/lonprintout.pm - view

File: [LON-CAPA] / loncom / interface / lonprintout.pm
Revision 1.627.2.21: download - view: text, annotated - select for diffs
Tue May 30 01:30:04 2017 UTC (6 years, 11 months ago) by raeburn
Branches: version_2_11_X
CVS tags: version_2_11_2_uiuc, version_2_11_2_educog, version_2_11_2

- For 2.11
  - Backport 1.658

1: # The LearningOnline Network 2: # Printout 3: # 4: # $Id: lonprintout.pm,v 1.627.2.21 2017/05/30 01:30:04 raeburn Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # http://www.lon-capa.org/ 26: # 27: # 28: package Apache::lonprintout; 29: use strict; 30: use Apache::Constants qw(:common :http); 31: use Apache::lonxml; 32: use Apache::lonnet; 33: use Apache::loncommon; 34: use Apache::inputtags; 35: use Apache::grades; 36: use Apache::edit; 37: use Apache::File(); 38: use Apache::lonnavmaps; 39: use Apache::admannotations; 40: use Apache::lonenc; 41: use Apache::entities; 42: use Apache::londefdef; 43: # use Apache::structurelags; # for language management. 44: 45: use File::Basename; 46: 47: use HTTP::Response; 48: use LONCAPA::map(); 49: use Apache::lonlocal; 50: use Carp; 51: use LONCAPA; 52: 53: 54: my %perm; 55: my %parmhash; 56: my $resources_printed; 57: 58: # Global variables that describe errors in ssi calls detected by ssi_with_retries. 59: # 60: 61: my $ssi_error; # True if there was an ssi error. 62: my $ssi_last_error_resource; # The resource URI that could not be fetched. 63: my $ssi_last_error; # The error text from the server. (e.g. 500 Server timed out). 64: 65: # 66: # Our ssi max retry count. 67: # 68: 69: my $ssi_retry_count = 5; # Some arbitrary value. 70: 71: 72: # Font size: 73: 74: my $font_size = 'normalsize'; # Default is normalsize... 75: 76: #---------------------------- Helper helpers. ------------------------- 77: 78: ## 79: # Filter function to determine if a resource is a printable sequence. 80: # 81: # @param $res -Resource to check. 82: # 83: # @return 1 - printable and a resource 84: # 0 - either notm a sequence or not printable. 85: # 86: sub printable_sequence { 87: my $res = shift; 88: 89: # Non-sequences are not listed: 90: 91: if (!$res->is_sequence()) { 92: return 0; 93: } 94: 95: # Person with pav or pfo can always print: 96: 97: if ($perm{'pav'} || $perm{'pfo'}) { 98: return 1; 99: } 100: 101: if ($res->is_sequence()) { 102: my $symb = $res->symb(); 103: my $navmap = $res->{NAV_MAP}; 104: 105: # Find the first resource in the map: 106: 107: my $iterator = $navmap->getIterator($res, undef, undef, 1, 1); 108: my $first = $iterator->next(); 109: 110: while (1) { 111: if ($first == $iterator->END_ITERATOR) { last; } 112: if (ref($first) && ! $first->is_sequence()) {last; } 113: $first = $iterator->next(); 114: } 115: 116: 117: # Might be an empty map: 118: 119: if (!ref($first)) { 120: return 0; 121: } 122: my $partsref = $first->parts(); 123: my @parts = @$partsref; 124: my ($open, $close) = $navmap->map_printdates($first, $parts[0]); 125: return &printable($open, $close); 126: } 127: return 0; 128: } 129: 130: # BZ5209: 131: # Create the states needed to run the helper for incomplete problems from 132: # the current folder for selected students. 133: # This includes: 134: # - A resource selector limited to problems (incompleteness must be 135: # calculated on a student per student basis. 136: # - A student selector. 137: # - Tie in to the FORMAT of the print job. 138: # 139: # States: 140: # CHOOSE_INCOMPLETE_PEOPLE_SEQ - Resource selection. 141: # CHOOSE_STUDENTS_INCOMPLETE - Student selection. 142: # CHOOSE_STUDENTS_INCOMPLETE_FORMAT - Format selection 143: # Parameters: 144: # helper - the helper which already contains info about the current folder we can 145: # purloin. 146: # url - Top url of the sequence 147: # Return: 148: # XML that can be parsed by the helper to drive the state machine. 149: # 150: sub create_incomplete_folder_selstud_helper { 151: my ($helper, $map) = @_; 152: 153: 154: my $symbFilter = '$res->shown_symb()'; 155: my $selFilter = '$res->is_problem()'; 156: 157: 158: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_PEOPLE_SEQ', 159: 'Select problem(s) to print', 160: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"', 161: 'RESOURCES', 162: 'CHOOSE_STUDENTS_INCOMPLETE', 163: $map, 164: $selFilter, 165: '', 166: $symbFilter, 167: ''); 168: 169: my $student_chooser = &generate_student_chooser('CHOOSE_STUDENTS_INCOMPLETE', 170: 'student_sort', 171: 'STUDENTS', 172: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); 173: 174: my $format_chooser = &generate_format_selector($helper, 175: 'Format of the print job', 176: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); # end state. 177: 178: return $resource_chooser . $student_chooser . $format_chooser; 179: } 180: 181: 182: # BZ 5209 183: # Create the states needed to run the helper for incomplete problems from 184: # the current folder for selected students. 185: # This includes: 186: # - A resource selector limited to problems. (incompleteness must be calculated 187: # on a student per student basis. 188: # - A student selector. 189: # - Tie in to format for the print job. 190: # States: 191: # INCOMPLETE_PROBLEMS_COURSE_RESOURCES - Resource selector. 192: # INCOMPLETE_PROBLEMS_COURSE_STUDENTS - Student selector. 193: # INCOMPLETE_PROBLEMS_COURSE_FORMAT - Format selection. 194: # 195: # Parameters: 196: # helper - Helper we are creating states for. 197: # Returns: 198: # Text that can be parsed by the helper. 199: # 200: 201: sub create_incomplete_course_helper { 202: my $helper = shift; 203: 204: my $filter = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())'; 205: my $symbfilter = '$res->shown_symb()'; 206: 207: my $resource_chooser = &generate_resource_chooser('INCOMPLETE_PROBLEMS_COURSE_RESOURCES', 208: 'Select problem(s) to print', 209: 'multichoice = "1" suppressEmptySequences="0" addstatus="1" closeallpagtes="1"', 210: 'RESOURCES', 211: 'INCOMPLETE_PROBLEMS_COURSE_STUDENTS', 212: '', 213: $filter, 214: '', 215: $symbfilter, 216: ''); 217: 218: my $people_chooser = &generate_student_chooser('INCOMPLETE_PROBLEMS_COURSE_STUDENTS', 219: 'student_sort', 220: 'STUDENTS', 221: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); 222: 223: my $format = &generate_format_selector($helper, 224: 'Format of the print job', 225: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); # end state. 226: 227: return $resource_chooser . $people_chooser . $format; 228: 229: 230: } 231: 232: # BZ5209 233: # Creates the states needed to run the print helper for a student 234: # that wants to print his incomplete problems from the current folder. 235: # Parameters: 236: # $helper - helper we are generating states for. 237: # $map - The map for which the student wants incomplete problems. 238: # Returns: 239: # XML that defines the helper states being created. 240: # 241: # States: 242: # CHOOSE_INCOMPLETE_SEQ - Resource selector. 243: # 244: sub create_incomplete_folder_helper { 245: my ($helper, $map) = @_; 246: 247: my $filter = '$res->is_problem()'; 248: $filter .= ' && $res->resprintable() '; 249: $filter .= ' && $res->is_incomplete() '; 250: 251: my $symfilter = '$res->shown_symb()'; 252: 253: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_SEQ', 254: 'Select problem(s) to print', 255: 'multichoice="1", toponly ="1", addstatus="1", closeallpages="1"', 256: 'RESOURCES', 257: 'PAGESIZE', 258: $map, 259: $filter, '', 260: $symfilter, 261: ''); 262: 263: return $resource_chooser; 264: } 265: 266: 267: # Returns the text neded for a student chooser. 268: # that text must still be parsed by the helper xml parser. 269: # Parameters: 270: # this_state - State name of the chooser. 271: # sort_choice - variable to hold the sorting choice. 272: # variable - Name of variable to hold students. 273: # next_state - State after chooser. 274: 275: 276: sub generate_student_chooser { 277: my ($this_state, 278: $sort_choice, 279: $variable, 280: $next_state) = @_; 281: my $result = <<CHOOSE_STUDENTS; 282: <state name="$this_state" title="Select Students and Resources"> 283: <message><b>Select sorting order of printout</b> </message> 284: 285: <choices variable="$sort_choice"> 286: <choice computer='0'>Sort by section then student</choice> 287: <choice computer='1'>Sort by students across sections.</choice> 288: </choices> 289: 290: <message><br /><hr /><br /> </message> 291: <student multichoice='1' 292: variable="$variable" 293: nextstate="$next_state" 294: coursepersonnel="1" /> 295: </state> 296: 297: CHOOSE_STUDENTS 298: 299: return $result; 300: } 301: 302: # Generate the text needed for a resource chooser given the top level of 303: # the sequence/page 304: # 305: # Parameters: 306: # this_state - State name of the chooser. 307: # prompt_text - Text to use to prompt user. 308: # resource_options - Resource tag options e.g. 309: # "multichoice='1', toponly='1', addstatus='1'" 310: # that control the selection and appearance of the 311: # resource selector. 312: # variable - Name of the variable to hold the choice 313: # next_state - Name of the next state the helper should transition 314: # to 315: # top_url - Top level URL within which to make the selector. 316: # If empty the top level sequence is shown. 317: # filter - How to filter the resources. 318: # value_func - <valuefunc> function. 319: # choice_func - If not empty generates a <choicefunc> with this function. 320: # start_new_option 321: # - Fragment appended after valuefunc. 322: # 323: # 324: sub generate_resource_chooser { 325: my ($this_state, 326: $prompt_text, 327: $resource_options, 328: $variable, 329: $next_state, 330: $top_url, 331: $filter, 332: $choice_func, 333: $value_func, 334: $start_new_option) = @_; 335: 336: my $result = <<CHOOSE_RESOURCES; 337: <state name="$this_state" title="$prompt_text"> 338: <resource variable="$variable" $resource_options 339: closeallpages="1"> 340: <nextstate>$next_state</nextstate> 341: <filterfunc>return $filter;</filterfunc> 342: CHOOSE_RESOURCES 343: if ($choice_func ne '') { 344: $result .= "<choicefunc>return $choice_func;</choicefunc>"; 345: } 346: if ($top_url ne '') { 347: $result .= "<mapurl>$top_url</mapurl>"; 348: } 349: $result .= <<CHOOSE_RESOURCES; 350: <valuefunc>return $value_func;</valuefunc> 351: $start_new_option 352: </resource> 353: </state> 354: CHOOSE_RESOURCES 355: return $result; 356: } 357: # 358: # Generate the helper XML for a code choice helper dialog: 359: # 360: # Paramters: 361: # $helper - Reference to the helper. 362: # $state - Name of the state for the chooser. 363: # $next_state - Name fo the state to follow the chooser. 364: # $bubble_types - Populates the bubble sheet type dropt down. 365: # $code_selections - Provides set of code choices that have been used 366: # $saved_codes - Provides the list of saved codes. 367: # 368: # Returns; 369: # The Xml of the code chooser. 370: # 371: sub generate_code_selector { 372: my ($helper, 373: $state, 374: $next_state, 375: $bubble_types, 376: $code_selections, 377: $saved_codes) = @_; # Unpack the parameters. 378: 379: my $result = <<CHOOSE_ANON1; 380: <state name="$state" title="Specify CODEd Assignments"> 381: <nextstate>$next_state</nextstate> 382: <message><h4>Fill out one of the forms below</h4></message> 383: <message><br /><hr /> <br /></message> 384: <message><h3>Generate new CODEd Assignments</h3></message> 385: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message> 386: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1"> 387: <validator> 388: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) && 389: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 390: !\$helper->{'VARS'}{'SINGLE_CODE'} && 391: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) { 392: 393: return "You need to specify the number of assignments to print"; 394: } 395: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) && 396: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) { 397: return 'Specifying number of codes to print and a specific code is not compatible'; 398: } 399: return undef; 400: </validator> 401: </string> 402: <message></td></tr><tr><td></message> 403: <message><b>Names to save the CODEs under for later:</b></message> 404: <message></td><td></message> 405: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" /> 406: <message></td></tr><tr><td></message> 407: <message><b>Bubblesheet type:</b></message> 408: <message></td><td></message> 409: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0"> 410: $bubble_types 411: </dropdown> 412: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message> 413: <message></td></tr><tr><td></table></message> 414: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message> 415: <message><tr><td><b>Enter a CODE to print:</b></td><td></message> 416: <string variable="SINGLE_CODE" size="10"> 417: <validator> 418: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} && 419: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 420: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 421: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'}, 422: \$helper->{'VARS'}{'CODE_OPTION'}); 423: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){ 424: return 'Specifying a code name is incompatible with specifying number of codes.'; 425: } else { 426: return undef; # Other forces control us. 427: } 428: </validator> 429: </string> 430: <message></td></tr><tr><td></message> 431: $code_selections 432: <message></td></tr></table></message> 433: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message> 434: <message><b>Select saved CODEs:</b></message> 435: <message></td><td></message> 436: <dropdown variable="REUSE_OLD_CODES"> 437: $saved_codes 438: </dropdown> 439: <message></td></tr></table></message> 440: </state> 441: CHOOSE_ANON1 442: 443: return $result; 444: } 445: 446: # Returns the XML for choosing how assignments are to be formatted 447: # that text must still be parsed by the helper xml parser. 448: # Parameters: 3 (required) 449: 450: # helper - The helper; $helper->{'VARS'}->{'PRINT_TYPE'} used 451: # to check if splitting PDFs by section can be offered. 452: # title - Title for the current state. 453: # this_state - State name of the chooser. 454: 455: sub generate_format_selector { 456: my ($helper,$title,$this_state) = @_; 457: my $secpdfoption; 458: unless (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') || 459: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') || 460: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) { 461: $secpdfoption = '<choice computer="sections">Each PDF contains exactly one section</choice>'; 462: } 463: return <<RESOURCE_SELECTOR; 464: <state name="$this_state" title="$title"> 465: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message> 466: <choices variable="EMPTY_PAGES"> 467: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice> 468: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice> 469: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice> 470: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice> 471: </choices> 472: <nextstate>PAGESIZE</nextstate> 473: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message> 474: <choices variable="SPLIT_PDFS"> 475: <choice computer="all">All assignments in a single PDF file</choice> 476: $secpdfoption 477: <choice computer="oneper">Each PDF contains exactly one assignment</choice> 478: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT"> 479: Specify the number of assignments per PDF:</choice> 480: </choices> 481: </state> 482: RESOURCE_SELECTOR 483: } 484: 485: #----------------------------------------------------------------------- 486: 487: # Computes an open and close date from a list of open/close dates for a resource's 488: # parts. 489: # 490: # @param \@opens - reference to an array of open dates. 491: # @param \@closes - reference to an array of close dates. 492: # 493: # @return ($open, $close) 494: # 495: # @note If open/close dates are not defined they will be returned as undef 496: # @note It is possible for there to be no overlap in which case -1,-1 497: # will be returned. 498: # @note The algorithm used is to take the latest open date and the earliest end date. 499: # 500: sub compute_open_window { 501: my ($opensref, $closesref) = @_; 502: 503: my @opens = @$opensref; 504: my @closes = @$closesref; 505: 506: # latest open date: 507: my $latest_open; 508: 509: foreach my $open (@opens) { 510: if (!defined($latest_open) || ($open > $latest_open)) { 511: $latest_open = $open; 512: } 513: } 514: # Earliest close: 515: 516: my $earliest_close; 517: foreach my $close (@closes) { 518: if (!defined($earliest_close) || ($close < $earliest_close)) { 519: $earliest_close = $close; 520: } 521: } 522: 523: # If no overlap...both are -1 as promised. 524: 525: if (($earliest_close ne '') && ($latest_open ne '') 526: && ($earliest_close < $latest_open)) { 527: $latest_open = -1; 528: $earliest_close = -1; 529: } 530: 531: return ($latest_open, $earliest_close); 532: 533: } 534: 535: ## 536: # Determines if 'now' is within the set of printable dates. 537: # 538: # @param $open_date - Starting date/timestamp. 539: # @param $close_date - Ending date/timestamp. 540: # 541: # @return 0 - Not open. 542: # @return 1 - open. 543: # 544: sub printable { 545: my ($open_date, $close_date) = @_; 546: 547: 548: my $now = time(); 549: 550: # Have to do a bit of fancy footwork around undefined open/close dates: 551: 552: if ($open_date && ($open_date > $now)) { 553: return 0; 554: } 555: 556: if ($close_date && ($close_date < $now)) { 557: return 0; 558: } 559: 560: return 1; 561: 562: } 563: 564: ## 565: # Returns the innermost print start/print end dates for a resource. 566: # This is done by looking at the start/end dates for its parts and choosing 567: # the intersection of those dates. 568: # 569: # @param res - lonnvamaps::resource object that represents the resource. 570: # 571: # @return (opendate, closedate) 572: # 573: # @note If open/close dates are not defined they will be returned as undef 574: # @note It is possible for there to be no overlap in which case -1,-1 575: # will be returned. 576: # @note The algorithm used is to take the latest open date and the earliest end date. 577: # For consistency with &printable() in lonnavmaps.pm determination of start 578: # date for printing checks printstartdate param first, then, if not set, 579: # opendate param, then, if not set, contentopen param. 580: 581: 582: sub get_print_dates { 583: my $res = shift; 584: my $partsref = $res->parts(); 585: my @parts; 586: if (ref($partsref) eq 'ARRAY') { 587: @parts = @{$partsref}; 588: } 589: my $open_date; 590: my $close_date; 591: my @open_dates; 592: my @close_dates; 593: 594: 595: if (@parts) { 596: foreach my $part (@parts) { 597: my $partopen = $res->parmval('printstartdate', $part); 598: my $partclose = $res->parmval('printenddate', $part); 599: if (!$partopen) { 600: $partopen = $res->parmval('opendate',$part); 601: } 602: if (!$partopen) { 603: $partopen = $res->parmval('contentopen',$part); 604: } 605: if ($partopen) { 606: push(@open_dates, $partopen); 607: } 608: if ($partclose) { 609: push(@close_dates, $partclose); 610: } 611: push(@open_dates, $partopen); 612: push(@close_dates, $partclose); 613: } 614: } 615: 616: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates); 617: 618: return ($open_date, $close_date); 619: } 620: 621: ## 622: # Get the dates for which a course says a resource can be printed. This is like 623: # get_print_dates but namvaps::course_print_dates are gotten...and not converted 624: # to times either. 625: # 626: # @param $res - Reference to a resource has from lonnvampas::resource. 627: # 628: # @return (opendate, closedate) 629: # 630: sub course_print_dates { 631: my $res = shift; 632: my $partsref = $res->parts(); 633: my @parts = @$partsref; 634: my $open_date; 635: my $close_date; 636: my @open_dates; 637: my @close_dates; 638: my $navmap = $res->{NAV_MAP}; # Slightly OO dirty. 639: 640: # Don't bother looping over undefined or empty parts arraY; 641: 642: if (@parts) { 643: foreach my $part (@parts) { 644: my ($partopen, $partclose) = $navmap->course_printdates($res, $part); 645: push(@open_dates, $partopen); 646: push(@close_dates, $partclose); 647: } 648: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates); 649: } 650: return ($open_date, $close_date); 651: } 652: ## 653: # Same as above but for the enclosing map: 654: # 655: sub map_print_dates { 656: my $res = shift; 657: my $partsref = $res->parts(); 658: my @parts = @$partsref; 659: my $open_date; 660: my $close_date; 661: my @open_dates; 662: my @close_dates; 663: my $navmap = $res->{NAV_MAP}; # slightly OO dirty. 664: 665: 666: # Don't bother looping over undefined or empty parts arraY; 667: 668: if (@parts) { 669: foreach my $part (@parts) { 670: my ($partopen, $partclose) = $navmap->map_printdates($res, $part); 671: push(@open_dates, $partopen); 672: push(@close_dates, $partclose); 673: } 674: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates); 675: } 676: return ($open_date, $close_date); 677: } 678: 679: # Determine if a resource is incomplete given the map: 680: # Parameters: 681: # $username - Name of user for whom we are checking. 682: # $domain - Domain of user we are checking. 683: # $map - map name. 684: # Returns: 685: # 0 - map is not incomplete. 686: # 1 - map is incomplete. 687: # 688: sub incomplete { 689: my ($username, $domain, $map) = @_; 690: 691: 692: my $navmap = Apache::lonnavmaps::navmap->new($username, $domain); 693: 694: 695: if (defined($navmap)) { 696: my $res = $navmap->getResourceByUrl($map); 697: my $result = $res->is_incomplete(); 698: return $result; 699: } else { 700: return 1; 701: } 702: } 703: # 704: # When printing for students, the resources and order of the 705: # resources may need to be altered if there are folders with 706: # random selectiopn or random ordering (or both) enabled. 707: # This sub computes the set of resources to print for a student 708: # modified both by random ordering and selection and filtered 709: # to only those that are in the original set selected to be printed. 710: # 711: # Parameters: 712: # $map - The URL of the folder being printed. 713: # Used to determine which startResource and finishResource 714: # to use when using the navmap's getIterator method. 715: # $seq - The original set of resources to print. 716: # (really an array of resource names (array of symb's). 717: # $who - Student/domain for whome the sequence will be generated. 718: # $code - CODE being printed when printing Problems/Resources 719: # from folder for CODEd assignments 720: # $nohidemap - If true, parameter in map for hiddenresource will be 721: # ignored. The user calling the routine should have 722: # both the pav and vgr privileges if this is set to true). 723: # 724: # Implicit inputs: 725: # $ 726: # Returns: 727: # reference to an array of resources that can be passed to 728: # print_resources. 729: # 730: sub master_seq_to_person_seq { 731: my ($map, $seq, $who, $code, $nohidemap) = @_; 732: 733: 734: my ($username, $userdomain, $usersection) = split(/:/, $who); 735: 736: # Toss the sequence up into a hash so that we have O(1) lookup time. 737: # on the items that come out of the user's list of resources. 738: # 739: 740: my %seq_hash = map {$_ => 1} @$seq; 741: my @output_seq; 742: 743: my $unhidden; 744: if ($nohidemap) { 745: $unhidden = &Apache::lonnet::clutter($map); 746: } 747: 748: my $navmap = Apache::lonnavmaps::navmap->new($username, $userdomain, 749: $code,$unhidden); 750: my ($start,$finish); 751: 752: if ($map) { 753: my $mapres = $navmap->getResourceByUrl($map); 754: if ($mapres->is_map()) { 755: $start = $mapres->map_start(); 756: $finish = $mapres->map_finish(); 757: } 758: } 759: unless ($start && $finish) { 760: $start = $navmap->firstResource(); 761: $finish = $navmap->finishResource(); 762: } 763: 764: my $iterator = $navmap->getIterator($start,$finish,{},1); 765: 766: # Iterate on the resource..select the items that are randomly selected 767: # and that are in the seq_has. Presumably the iterator will take care 768: # of the random ordering part of the deal. 769: my $curres; 770: while ($curres = $iterator->next()) { 771: # 772: # Only process resources..that are not removed by randomout... 773: # and are selected for printint as well. 774: # 775: 776: if (ref($curres) && ! $curres->randomout()) { 777: my $currsymb = $curres->symb(); 778: if (exists($seq_hash{$currsymb})) { 779: push(@output_seq, $currsymb); 780: } 781: } 782: } 783: 784: return \@output_seq; # for now. 785: 786: } 787: 788: 789: # Fetch the contents of a resource, uninterpreted. 790: # This is used here to fetch a latex file to be included 791: # verbatim into the printout< 792: # NOTE: Ask Guy if there is a lonnet function similar to this? 793: # 794: # Parameters: 795: # URL of the file 796: # 797: sub fetch_raw_resource { 798: my ($url) = @_; 799: 800: my $filename = &Apache::lonnet::filelocation("", $url); 801: my $contents = &Apache::lonnet::getfile($filename); 802: 803: if ($contents == -1) { 804: return "File open failed for $filename"; # This will bomb the print. 805: } 806: return $contents; 807: 808: 809: } 810: 811: # Fetch the annotations associated with a URL and 812: # put a centered 'annotations:' title. 813: # This is all suppressed if the annotations are empty. 814: # 815: sub annotate { 816: my ($symb) = @_; 817: 818: my $annotation_text = &Apache::loncommon::get_annotation($symb, 1); 819: 820: 821: my $result = ""; 822: 823: if (length($annotation_text) > 0) { 824: $result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ '; 825: $result .= "\n"; 826: $result .= &Apache::lonxml::latex_special_symbols($annotation_text,""); # Escape latex. 827: $result .= "\n\n"; 828: } 829: return $result; 830: } 831: 832: # 833: # Set a global document font size: 834: # This is done by replacing \begin{document} 835: # with \begin{document}{\some-font-directive 836: # and \end{document} with 837: # }\end{document 838: # 839: sub set_font_size { 840: 841: my ($text) = @_; 842: 843: # There appear to be cases where the font directive is empty.. in which 844: # case the first substituion would insert a spurious \ oh happy day. 845: # as this has been the cause of much mystery and hair pulling _sigh_ 846: 847: if ($font_size ne '') { 848: 849: $text =~ s/\\begin\{document}/\\begin{document}{\\$font_size/; 850: } 851: $text =~ s/\\end\{document}/}\\end{document}/; 852: return $text; 853: 854: 855: } 856: 857: # include_pdf - PDF files are included into the 858: # output as follows: 859: # - The PDF, if necessary, is replicated. 860: # - The PDF is added to the list of files to convert to postscript (along with the images). 861: # - The LaTeX is added to include the final converted postscript in the file as an included 862: # job. The assumption is that the includedpsheader.ps header will be included. 863: # 864: # Parameters: 865: # pdf_uri - URI of the PDF file to include. 866: # 867: # Returns: 868: # The LaTeX to include. 869: # 870: # Assumptions: 871: # The uri is actually a PDF file 872: # The postscript will have the includepsheader.ps included. 873: # 874: # 875: sub include_pdf { 876: my ($pdf_uri) = @_; 877: 878: # Where is the file? If not local we'll need to repcopy it:' 879: 880: my $file = &Apache::lonnet::filelocation('', $pdf_uri); 881: if (! -e $file) { 882: &Apache::lonnet::repcopy($file); 883: $file = &Apache::lonnet::filelocation('',$pdf_uri); 884: } 885: 886: # The file isn ow replicated locally.. or it did not exist in the first place 887: # (unlikely). If it did exist, add the pdf to the set of files/images that 888: # need tob e converted for this print job: 889: 890: my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'}; 891: $file =~ s{(.*)/res/}{$londocroot/res/}; 892: 893: open(FILE,">>$Apache::lonnet::perlvar{'lonPrtDir'}/$env{'user.name'}_$env{'user.domain'}_printout.dat"); 894: print FILE ("$file\n"); 895: close (FILE); 896: 897: # Construct the special to put out. To do this we need to get the 898: # resulting filename after conversion. The file will have the same name 899: # but will be in the user's spool directory with converted images. 900: 901: my $dirname = "/home/httpd/prtspool/$env{'user.name'}/"; 902: my ( $base, $path, $ext) = &fileparse($file, '.pdf'); 903: # my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl 904: $base =~ s/ /\_/g; 905: 906: 907: my $output = &print_latex_header(); 908: $output .= '\special{ps: _begin_job_ (' 909: .$base.'.pdf.eps'. 910: ')run _end_job_}'; 911: 912: return $output; 913: 914: 915: } 916: ## 917: # Collect the various \select_language{language_name} 918: # latex tags to build a \usepackage[lang-list]{babel} which will 919: # appear just prior to the \begin{document} at the front of the concatenated 920: # set of resources: 921: # @param doc - The string of latex to search/replace. 922: # @return string 923: # @retval - the modified document stringt. 924: # 925: sub collect_languages { 926: my $doc = shift; 927: my %languages; 928: while ($doc =~ /\\selectlanguage\{(\w+)}/mg) { 929: $languages{$1} = 1; # allows us to request each language exactly once. 930: } 931: my @lang_list = (keys(%languages)); # List of unique languages 932: if (scalar @lang_list) { 933: my $babel_header = '\usepackage[' . join(',', @lang_list) .']{babel}'. "\n"; 934: $doc =~ s/\\begin\{document}/$babel_header\\begin{document}/; 935: } 936: return $doc; 937: } 938: #------------------------------------------------------------------- 939: 940: # 941: # ssi_with_retries- Does the server side include of a resource. 942: # if the ssi call returns an error we'll retry it up to 943: # the number of times requested by the caller. 944: # If we still have a proble, no text is appended to the 945: # output and we set some global variables. 946: # to indicate to the caller an SSI error occurred. 947: # All of this is supposed to deal with the issues described 948: # in LonCAPA BZ 5631 see: 949: # http://bugs.lon-capa.org/show_bug.cgi?id=5631 950: # by informing the user that this happened. 951: # 952: # Parameters: 953: # resource - The resource to include. This is passed directly, without 954: # interpretation to lonnet::ssi. 955: # form - The form hash parameters that guide the interpretation of the resource 956: # 957: # retries - Number of retries allowed before giving up completely. 958: # Returns: 959: # On success, returns the rendered resource identified by the resource parameter. 960: # Side Effects: 961: # The following global variables can be set: 962: # ssi_error - If an unrecoverable error occurred this becomes true. 963: # It is up to the caller to initialize this to false 964: # if desired. 965: # ssi_last_error_resource - If an unrecoverable error occurred, this is the value 966: # of the resource that could not be rendered by the ssi 967: # call. 968: # ssi_last_error - The error string fetched from the ssi response 969: # in the event of an error. 970: # 971: sub ssi_with_retries { 972: my ($resource, $retries, %form) = @_; 973: 974: my $target = $form{'grade_target'}; 975: my $aom = $form{'answer_output_mode'}; 976: 977: 978: 979: my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form); 980: if (!$response->is_success) { 981: $ssi_error = 1; 982: $ssi_last_error_resource = $resource; 983: $ssi_last_error = $response->code . " " . $response->message; 984: $content='\section*{!!! An error occurred !!!}'; 985: } 986: 987: return $content; 988: 989: } 990: 991: sub get_student_view_with_retries { 992: my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_; 993: 994: my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv); 995: if (!$response->is_success) { 996: $ssi_error = 1; 997: $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain; 998: $ssi_last_error = $response->code . " " . $response->message; 999: $content='\section*{!!! An error occurred !!!}'; 1000: } 1001: return $content; 1002: 1003: } 1004: 1005: # 1006: # printf_style_subst item format_string repl 1007: # 1008: # Does printf style substitution for a format string that 1009: # can have %[n]item in it.. wherever, %[n]item occurs, 1010: # rep is substituted in format_string. Note that 1011: # [n] is an optional integer length. If provided, 1012: # repl is truncated to at most [n] characters prior to 1013: # substitution. 1014: # 1015: sub printf_style_subst { 1016: my ($item, $format_string, $repl) = @_; 1017: my $result = ""; 1018: while ($format_string =~ /(%)(\d*)\Q$item\E/g ) { 1019: my $fmt = $1; 1020: my $size = $2; 1021: my $subst = $repl; 1022: if ($size ne "") { 1023: $subst = substr($subst, 0, $size); 1024: 1025: # Here's a nice edge case.. supose the end of the 1026: # substring is a \. In that case may have just 1027: # chopped off a TeX escape... in that case, we append 1028: # " " for the trailing character, and let the field 1029: # spill over a bit (sigh). 1030: # We don't just chop off the last character in order to deal 1031: # with one last pathology, and that would be if substr had 1032: # trimmed us to e.g. \\\ 1033: 1034: 1035: if ($subst =~ /\\$/) { 1036: $subst .= " "; 1037: } 1038: } 1039: my $item_pos = pos($format_string); 1040: $result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst; 1041: $format_string = substr($format_string, pos($format_string)); 1042: } 1043: 1044: # Put the residual format string into the result: 1045: 1046: $result .= $format_string; 1047: 1048: return $result; 1049: } 1050: 1051: 1052: # Format a header according to a format. 1053: # 1054: 1055: # Substitutions: 1056: # %a - Assignment name. 1057: # %c - Course name. 1058: # %n - Student name. 1059: # %s - The section if it is supplied. 1060: # 1061: sub format_page_header { 1062: my ($width, $format, $assignment, $course, $student) = @_; 1063: 1064: 1065: 1066: $width = &recalcto_mm($width); # Get width in mm. 1067: my $chars_per_line = int($width/2); # Character/textline. 1068: 1069: # Default format? 1070: 1071: if ($format eq '') { 1072: # For the default format, we may need to truncate 1073: # elements.. To do this we need to get the page width. 1074: # we assume that each character is about 2mm in width. 1075: # (correct for the header text size??). We ignore 1076: # any formatting (e.g. boldfacing in this). 1077: # 1078: # - Allow the student/course to be one line. 1079: # but only truncate the course. 1080: # - Allow the assignment to be 2 lines (wrapped). 1081: # 1082: 1083: my $firstline = "$student $course"; 1084: if (length($firstline) > $chars_per_line) { 1085: my $lastchar = $chars_per_line - length($student) - 1; 1086: if ($lastchar > 0) { 1087: $course = substr($course, 0, $lastchar); 1088: } else { # Nothing left of course: 1089: $course = ''; 1090: } 1091: } 1092: if (length($assignment) > $chars_per_line) { 1093: $assignment = substr($assignment, 0, $chars_per_line); 1094: } 1095: 1096: $format = "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}"; 1097: 1098: } else { 1099: # An open question is how to handle long user formatted page headers... 1100: # A possible future is to support e.g. %na so that the user can control 1101: # the truncation of the elements that can appear in the header. 1102: # 1103: $format = &printf_style_subst("a", $format, $assignment); 1104: $format = &printf_style_subst("c", $format, $course); 1105: $format = &printf_style_subst("n", $format, $student); 1106: 1107: # If the user put %'s in the format string, they must be escaped 1108: # to \% else LaTeX will think they are comments and terminate 1109: # the line.. which is bad!!! 1110: 1111: } 1112: 1113: return $format; 1114: 1115: 1116: # If the user has role author, $course and $assignment are empty so 1117: # there is '\\ \\ ' in the page header. That's cause a error in LaTeX 1118: if($format =~ /\\\\\s\\\\\s/) { 1119: #TODO find sensible caption for page header 1120: my $testPrintout = '\\\\'.&mt('Authoring Space').' \\\\'.&mt('Test-Printout '); 1121: $format =~ s/\\\\\s\\\\\s/$testPrintout/; 1122: } 1123: # 1124: # We're going to trust LaTeX to break lines appropriately, but 1125: # we'll truncate anything that's more than 3 lines worth of 1126: # text. This is also assuming (which will probably end badly) 1127: # nobody's going to embed LaTeX control sequences in the title 1128: # header or rather that those control sequences won't get broken 1129: # by the stuff below. 1130: # 1131: my $total_length = 3*$chars_per_line; 1132: if (length($format) > $total_length) { 1133: $format = substr($format, 0, $total_length); 1134: } 1135: 1136: 1137: return $format; 1138: 1139: } 1140: 1141: # 1142: # Convert a numeric code to letters 1143: # 1144: sub num_to_letters { 1145: my ($num) = @_; 1146: my @nums= split('',$num); 1147: my @num_to_let=('A'..'Z'); 1148: my $word; 1149: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; } 1150: return $word; 1151: } 1152: # Convert a letter code to numeric. 1153: # 1154: sub letters_to_num { 1155: my ($letters) = @_; 1156: my @letters = split('', uc($letters)); 1157: my %substitution; 1158: my $digit = 0; 1159: foreach my $letter ('A'..'J') { 1160: $substitution{$letter} = $digit; 1161: $digit++; 1162: } 1163: # The substitution is done as below to preserve leading 1164: # zeroes which are needed to keep the code size exact 1165: # 1166: my $result =""; 1167: foreach my $letter (@letters) { 1168: $result.=$substitution{$letter}; 1169: } 1170: return $result; 1171: } 1172: 1173: # Determine if a code is a valid numeric code. Valid 1174: # numeric codes must be comprised entirely of digits and 1175: # have a correct number of digits. 1176: # 1177: # Parameters: 1178: # value - proposed code value. 1179: # num_digits - Number of digits required. 1180: # 1181: sub is_valid_numeric_code { 1182: my ($value, $num_digits) = @_; 1183: # Remove leading/trailing whitespace; 1184: $value =~ s/^\s*//g; 1185: $value =~ s/\s*$//g; 1186: 1187: # All digits? 1188: if ($value !~ /^[0-9]+$/) { 1189: return "Numeric code $value has invalid characters - must only be digits"; 1190: } 1191: if (length($value) != $num_digits) { 1192: return "Numeric code $value incorrect number of digits (correct = $num_digits)"; 1193: } 1194: return undef; 1195: } 1196: # Determines if a code is a valid alhpa code. Alpha codes 1197: # are ciphers that map [A-J,a-j] -> 0..9 0..9. 1198: # They also have a correct digit count. 1199: # Parameters: 1200: # value - Proposed code value. 1201: # num_letters - correct number of letters. 1202: # Note: 1203: # leading and trailing whitespace are ignored. 1204: # 1205: sub is_valid_alpha_code { 1206: my ($value, $num_letters) = @_; 1207: 1208: # strip leading and trailing spaces. 1209: 1210: $value =~ s/^\s*//g; 1211: $value =~ s/\s*$//g; 1212: 1213: # All alphas in the right range? 1214: if ($value !~ /^[A-J,a-j]+$/) { 1215: return "Invalid letter code $value must only contain A-J"; 1216: } 1217: if (length($value) != $num_letters) { 1218: return "Letter code $value has incorrect number of letters (correct = $num_letters)"; 1219: } 1220: return undef; 1221: } 1222: 1223: # Determine if a code entered by the user in a helper is valid. 1224: # valid depends on the code type and the type of code selected. 1225: # The type of code selected can either be numeric or 1226: # Alphabetic. If alphabetic, the code, in fact is a simple 1227: # substitution cipher for the actual numeric code: 0->A, 1->B ... 1228: # We'll be nice and be case insensitive for alpha codes. 1229: # Parameters: 1230: # code_value - the value of the code the user typed in. 1231: # code_option - The code type selected from the set in the scantron format 1232: # table. 1233: # Returns: 1234: # undef - The code is valid. 1235: # other - An error message indicating what's wrong. 1236: # 1237: sub is_code_valid { 1238: my ($code_value, $code_option) = @_; 1239: my ($code_type, $code_length) = ('letter', 6); # defaults. 1240: my @lines = &Apache::grades::get_scantronformat_file(); 1241: foreach my $line (@lines) { 1242: next if (($line =~ /^\#/) || ($line eq '')); 1243: my ($name, $type, $length) = (split(/:/, $line))[0,2,4]; 1244: if($name eq $code_option) { 1245: $code_length = $length; 1246: if($type eq 'number') { 1247: $code_type = 'number'; 1248: } 1249: } 1250: } 1251: my $valid; 1252: if ($code_type eq 'number') { 1253: return &is_valid_numeric_code($code_value, $code_length); 1254: } else { 1255: return &is_valid_alpha_code($code_value, $code_length); 1256: } 1257: 1258: } 1259: # 1260: # Compare two students by section (Used to sort by section). 1261: # 1262: # Implicit inputs, 1263: # $a - The first one 1264: # $b - The second one. 1265: # 1266: # Returns: 1267: # a-section cmp b-section 1268: # 1269: sub compare_sections { 1270: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a); 1271: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b); 1272: 1273: return $s1 cmp $s2; 1274: } 1275: 1276: # Compare two students by name. The students are in the form 1277: # returned by the helper: 1278: # user:domain:section:last, first:status 1279: # This is a helper function for the perl sort built-in therefore: 1280: # Implicit Inputs: 1281: # $a - The first element to compare (global) 1282: # $b - The second element to compare (global) 1283: # Returns: 1284: # -1 - $a < $b 1285: # 0 - $a == $b 1286: # +1 - $a > $b 1287: # Note that the initial comparison is done on the last names with the 1288: # first names only used to break the tie. 1289: # 1290: # 1291: sub compare_names { 1292: # First split the names up into the primary fields. 1293: 1294: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a); 1295: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b); 1296: 1297: # Now split the last name and first name of each n: 1298: # 1299: 1300: my ($l1,$f1) = split(/,/, $n1); 1301: my ($l2,$f2) = split(/,/, $n2); 1302: 1303: # We don't bother to remove the leading/trailing whitespace from the 1304: # firstname, unless the last names compare identical. 1305: 1306: if($l1 lt $l2) { 1307: return -1; 1308: } 1309: if($l1 gt $l2) { 1310: return 1; 1311: } 1312: 1313: # Break the tie on the first name, but there are leading (possibly trailing 1314: # whitespaces to get rid of first 1315: # 1316: $f1 =~ s/^\s+//; # Remove leading... 1317: $f1 =~ s/\s+$//; # Trailing spaces from first 1... 1318: 1319: $f2 =~ s/^\s+//; 1320: $f2 =~ s/\s+$//; # And the same for first 2... 1321: 1322: if($f1 lt $f2) { 1323: return -1; 1324: } 1325: if($f1 gt $f2) { 1326: return 1; 1327: } 1328: 1329: # Must be the same name. 1330: 1331: return 0; 1332: } 1333: 1334: sub latex_header_footer_remove { 1335: my $text = shift; 1336: $text =~ s/\\end\{document}//; 1337: $text =~ s/\\documentclass([^&]*)\\begin\{document}//; 1338: return $text; 1339: } 1340: # 1341: # If necessary, encapsulate text inside 1342: # a minipage env. 1343: # necessity is determined by the problem_split param. 1344: # 1345: sub encapsulate_minipage { 1346: my ($text) = @_; 1347: if (!($env{'form.problem.split'} =~ /yes/i)) { 1348: $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}'; 1349: } 1350: return $text; 1351: } 1352: # 1353: # The NUMBER_TO_PRINT and SPLIT_PDFS 1354: # variables interact, this sub looks at these two parameters 1355: # and comes up with a final value for NUMBER_TO_PRINT which can be: 1356: # all - if SPLIT_PDFS eq 'all'. 1357: # 1 - if SPLIT_PDFS eq 'oneper' 1358: # section - if SPLIT_PDFS eq 'sections' 1359: # <unchanged> - if SPLIT_PDFS eq 'usenumber' 1360: # 1361: sub adjust_number_to_print { 1362: my $helper = shift; 1363: 1364: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'}; 1365: 1366: if ($split_pdf eq 'all') { 1367: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all'; 1368: } elsif ($split_pdf eq 'oneper') { 1369: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1; 1370: } elsif ($split_pdf eq 'sections') { 1371: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section'; 1372: } elsif ($split_pdf eq 'usenumber') { 1373: # Unmodified. 1374: } else { 1375: # Error!!!! 1376: 1377: croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print"; 1378: 1379: } 1380: } 1381: 1382: 1383: sub character_chart { 1384: my $result = shift; 1385: return &Apache::entities::replace_entities($result); 1386: } 1387: 1388: sub old_character_chart { 1389: my $result = shift; 1390: $result =~ s/&\#0?0?(7|9);//g; 1391: $result =~ s/&\#0?(10|13);//g; 1392: $result =~ s/&\#0?32;/ /g; 1393: $result =~ s/&\#0?33;/!/g; 1394: $result =~ s/&(\#0?34|quot);/\"/g; 1395: $result =~ s/&\#0?35;/\\\#/g; 1396: $result =~ s/&\#0?36;/\\\$/g; 1397: $result =~ s/&\#0?37;/\\%/g; 1398: $result =~ s/&(\#0?38|amp);/\\&/g; 1399: $result =~ s/&\#(0?39|146);/\'/g; 1400: $result =~ s/&\#0?40;/(/g; 1401: $result =~ s/&\#0?41;/)/g; 1402: $result =~ s/&\#0?42;/\*/g; 1403: $result =~ s/&\#0?43;/\+/g; 1404: $result =~ s/&\#(0?44|130);/,/g; 1405: $result =~ s/&\#0?45;/-/g; 1406: $result =~ s/&\#0?46;/\./g; 1407: $result =~ s/&\#0?47;/\//g; 1408: $result =~ s/&\#0?48;/0/g; 1409: $result =~ s/&\#0?49;/1/g; 1410: $result =~ s/&\#0?50;/2/g; 1411: $result =~ s/&\#0?51;/3/g; 1412: $result =~ s/&\#0?52;/4/g; 1413: $result =~ s/&\#0?53;/5/g; 1414: $result =~ s/&\#0?54;/6/g; 1415: $result =~ s/&\#0?55;/7/g; 1416: $result =~ s/&\#0?56;/8/g; 1417: $result =~ s/&\#0?57;/9/g; 1418: $result =~ s/&\#0?58;/:/g; 1419: $result =~ s/&\#0?59;/;/g; 1420: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g; 1421: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g; 1422: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g; 1423: $result =~ s/&\#0?63;/\?/g; 1424: $result =~ s/&\#0?65;/A/g; 1425: $result =~ s/&\#0?66;/B/g; 1426: $result =~ s/&\#0?67;/C/g; 1427: $result =~ s/&\#0?68;/D/g; 1428: $result =~ s/&\#0?69;/E/g; 1429: $result =~ s/&\#0?70;/F/g; 1430: $result =~ s/&\#0?71;/G/g; 1431: $result =~ s/&\#0?72;/H/g; 1432: $result =~ s/&\#0?73;/I/g; 1433: $result =~ s/&\#0?74;/J/g; 1434: $result =~ s/&\#0?75;/K/g; 1435: $result =~ s/&\#0?76;/L/g; 1436: $result =~ s/&\#0?77;/M/g; 1437: $result =~ s/&\#0?78;/N/g; 1438: $result =~ s/&\#0?79;/O/g; 1439: $result =~ s/&\#0?80;/P/g; 1440: $result =~ s/&\#0?81;/Q/g; 1441: $result =~ s/&\#0?82;/R/g; 1442: $result =~ s/&\#0?83;/S/g; 1443: $result =~ s/&\#0?84;/T/g; 1444: $result =~ s/&\#0?85;/U/g; 1445: $result =~ s/&\#0?86;/V/g; 1446: $result =~ s/&\#0?87;/W/g; 1447: $result =~ s/&\#0?88;/X/g; 1448: $result =~ s/&\#0?89;/Y/g; 1449: $result =~ s/&\#0?90;/Z/g; 1450: $result =~ s/&\#0?91;/[/g; 1451: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g; 1452: $result =~ s/&\#0?93;/]/g; 1453: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g; 1454: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g; 1455: $result =~ s/&\#(0?96|145);/\`/g; 1456: $result =~ s/&\#0?97;/a/g; 1457: $result =~ s/&\#0?98;/b/g; 1458: $result =~ s/&\#0?99;/c/g; 1459: $result =~ s/&\#100;/d/g; 1460: $result =~ s/&\#101;/e/g; 1461: $result =~ s/&\#102;/f/g; 1462: $result =~ s/&\#103;/g/g; 1463: $result =~ s/&\#104;/h/g; 1464: $result =~ s/&\#105;/i/g; 1465: $result =~ s/&\#106;/j/g; 1466: $result =~ s/&\#107;/k/g; 1467: $result =~ s/&\#108;/l/g; 1468: $result =~ s/&\#109;/m/g; 1469: $result =~ s/&\#110;/n/g; 1470: $result =~ s/&\#111;/o/g; 1471: $result =~ s/&\#112;/p/g; 1472: $result =~ s/&\#113;/q/g; 1473: $result =~ s/&\#114;/r/g; 1474: $result =~ s/&\#115;/s/g; 1475: $result =~ s/&\#116;/t/g; 1476: $result =~ s/&\#117;/u/g; 1477: $result =~ s/&\#118;/v/g; 1478: $result =~ s/&\#119;/w/g; 1479: $result =~ s/&\#120;/x/g; 1480: $result =~ s/&\#121;/y/g; 1481: $result =~ s/&\#122;/z/g; 1482: $result =~ s/&\#123;/\\{/g; 1483: $result =~ s/&\#124;/\|/g; 1484: $result =~ s/&\#125;/\\}/g; 1485: $result =~ s/&\#126;/\~/g; 1486: $result =~ s/&\#131;/\\textflorin /g; 1487: $result =~ s/&\#132;/\"/g; 1488: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g; 1489: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g; 1490: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g; 1491: $result =~ s/&\#137;/\\textperthousand /g; 1492: $result =~ s/&\#140;/{\\OE}/g; 1493: $result =~ s/&\#147;/\`\`/g; 1494: $result =~ s/&\#148;/\'\'/g; 1495: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g; 1496: $result =~ s/&(\#150|\#8211);/--/g; 1497: $result =~ s/&\#151;/---/g; 1498: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g; 1499: $result =~ s/&\#153;/\\texttrademark /g; 1500: $result =~ s/&\#156;/\\oe/g; 1501: $result =~ s/&\#159;/\\\"Y/g; 1502: $result =~ s/&(\#160|nbsp);/~/g; 1503: $result =~ s/&(\#161|iexcl);/!\`/g; 1504: $result =~ s/&(\#162|cent);/\\textcent /g; 1505: $result =~ s/&(\#163|pound);/\\pounds /g; 1506: $result =~ s/&(\#164|curren);/\\textcurrency /g; 1507: $result =~ s/&(\#165|yen);/\\textyen /g; 1508: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g; 1509: $result =~ s/&(\#167|sect);/\\textsection /g; 1510: $result =~ s/&(\#168|uml);/\\"\{\} /g; 1511: $result =~ s/&(\#169|copy);/\\copyright /g; 1512: $result =~ s/&(\#170|ordf);/\\textordfeminine /g; 1513: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g; 1514: $result =~ s/&(\#173|shy);/ - /g; 1515: $result =~ s/&(\#174|reg);/\\textregistered /g; 1516: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g; 1517: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g; 1518: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g; 1519: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g; 1520: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g; 1521: $result =~ s/&(\#180|acute);/\\'\{\} /g; 1522: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g; 1523: $result =~ s/&(\#182|para);/\\P/g; 1524: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g; 1525: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g; 1526: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g; 1527: $result =~ s/&(\#186|ordm);/\\textordmasculine /g; 1528: $result =~ s/&(\#188|frac14);/\\textonequarter /g; 1529: $result =~ s/&(\#189|frac12);/\\textonehalf /g; 1530: $result =~ s/&(\#190|frac34);/\\textthreequarters /g; 1531: $result =~ s/&(\#191|iquest);/?\`/g; 1532: $result =~ s/&(\#192|Agrave);/\\\`{A}/g; 1533: $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 1534: $result =~ s/&(\#194|Acirc);/\\^{A}/g; 1535: $result =~ s/&(\#195|Atilde);/\\~{A}/g; 1536: $result =~ s/&(\#196|Auml);/\\\"{A}/g; 1537: $result =~ s/&(\#197|Aring);/{\\AA}/g; 1538: $result =~ s/&(\#198|AElig);/{\\AE}/g; 1539: $result =~ s/&(\#199|Ccedil);/\\c{c}/g; 1540: $result =~ s/&(\#200|Egrave);/\\\`{E}/g; 1541: $result =~ s/&(\#201|Eacute);/\\\'{E}/g; 1542: $result =~ s/&(\#202|Ecirc);/\\^{E}/g; 1543: $result =~ s/&(\#203|Euml);/\\\"{E}/g; 1544: $result =~ s/&(\#204|Igrave);/\\\`{I}/g; 1545: $result =~ s/&(\#205|Iacute);/\\\'{I}/g; 1546: $result =~ s/&(\#206|Icirc);/\\^{I}/g; 1547: $result =~ s/&(\#207|Iuml);/\\\"{I}/g; 1548: $result =~ s/&(\#209|Ntilde);/\\~{N}/g; 1549: $result =~ s/&(\#210|Ograve);/\\\`{O}/g; 1550: $result =~ s/&(\#211|Oacute);/\\\'{O}/g; 1551: $result =~ s/&(\#212|Ocirc);/\\^{O}/g; 1552: $result =~ s/&(\#213|Otilde);/\\~{O}/g; 1553: $result =~ s/&(\#214|Ouml);/\\\"{O}/g; 1554: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g; 1555: $result =~ s/&(\#216|Oslash);/{\\O}/g; 1556: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g; 1557: $result =~ s/&(\#218|Uacute);/\\\'{U}/g; 1558: $result =~ s/&(\#219|Ucirc);/\\^{U}/g; 1559: $result =~ s/&(\#220|Uuml);/\\\"{U}/g; 1560: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g; 1561: $result =~ s/&(\#223|szlig);/{\\ss}/g; 1562: $result =~ s/&(\#224|agrave);/\\\`{a}/g; 1563: $result =~ s/&(\#225|aacute);/\\\'{a}/g; 1564: $result =~ s/&(\#226|acirc);/\\^{a}/g; 1565: $result =~ s/&(\#227|atilde);/\\~{a}/g; 1566: $result =~ s/&(\#228|auml);/\\\"{a}/g; 1567: $result =~ s/&(\#229|aring);/{\\aa}/g; 1568: $result =~ s/&(\#230|aelig);/{\\ae}/g; 1569: $result =~ s/&(\#231|ccedil);/\\c{c}/g; 1570: $result =~ s/&(\#232|egrave);/\\\`{e}/g; 1571: $result =~ s/&(\#233|eacute);/\\\'{e}/g; 1572: $result =~ s/&(\#234|ecirc);/\\^{e}/g; 1573: $result =~ s/&(\#235|euml);/\\\"{e}/g; 1574: $result =~ s/&(\#236|igrave);/\\\`{i}/g; 1575: $result =~ s/&(\#237|iacute);/\\\'{i}/g; 1576: $result =~ s/&(\#238|icirc);/\\^{i}/g; 1577: $result =~ s/&(\#239|iuml);/\\\"{i}/g; 1578: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g; 1579: $result =~ s/&(\#241|ntilde);/\\~{n}/g; 1580: $result =~ s/&(\#242|ograve);/\\\`{o}/g; 1581: $result =~ s/&(\#243|oacute);/\\\'{o}/g; 1582: $result =~ s/&(\#244|ocirc);/\\^{o}/g; 1583: $result =~ s/&(\#245|otilde);/\\~{o}/g; 1584: $result =~ s/&(\#246|ouml);/\\\"{o}/g; 1585: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g; 1586: $result =~ s/&(\#248|oslash);/{\\o}/g; 1587: $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 1588: $result =~ s/&(\#250|uacute);/\\\'{u}/g; 1589: $result =~ s/&(\#251|ucirc);/\\^{u}/g; 1590: $result =~ s/&(\#252|uuml);/\\\"{u}/g; 1591: $result =~ s/&(\#253|yacute);/\\\'{y}/g; 1592: $result =~ s/&(\#255|yuml);/\\\"{y}/g; 1593: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g; 1594: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g; 1595: #Greek Alphabet 1596: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g; 1597: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g; 1598: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g; 1599: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g; 1600: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g; 1601: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g; 1602: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g; 1603: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g; 1604: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g; 1605: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g; 1606: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g; 1607: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g; 1608: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g; 1609: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g; 1610: $result =~ s/&(omicron|\#959);/o/g; 1611: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g; 1612: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g; 1613: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g; 1614: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g; 1615: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g; 1616: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g; 1617: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g; 1618: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g; 1619: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g; 1620: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g; 1621: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g; 1622: $result =~ s/&(Alpha|\#913);/A/g; 1623: $result =~ s/&(Beta|\#914);/B/g; 1624: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g; 1625: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g; 1626: $result =~ s/&(Epsilon|\#917);/E/g; 1627: $result =~ s/&(Zeta|\#918);/Z/g; 1628: $result =~ s/&(Eta|\#919);/H/g; 1629: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g; 1630: $result =~ s/&(Iota|\#921);/I/g; 1631: $result =~ s/&(Kappa|\#922);/K/g; 1632: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g; 1633: $result =~ s/&(Mu|\#924);/M/g; 1634: $result =~ s/&(Nu|\#925);/N/g; 1635: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g; 1636: $result =~ s/&(Omicron|\#927);/O/g; 1637: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g; 1638: $result =~ s/&(Rho|\#929);/P/g; 1639: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g; 1640: $result =~ s/&(Tau|\#932);/T/g; 1641: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g; 1642: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g; 1643: $result =~ s/&(Chi|\#935);/X/g; 1644: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g; 1645: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g; 1646: #Arrows (extended HTML 4.01) 1647: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g; 1648: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g; 1649: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g; 1650: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g; 1651: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g; 1652: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g; 1653: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g; 1654: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g; 1655: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g; 1656: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g; 1657: #Mathematical Operators (extended HTML 4.01) 1658: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g; 1659: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g; 1660: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g; 1661: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g; 1662: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g; 1663: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g; 1664: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g; 1665: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g; 1666: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g; 1667: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g; 1668: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g; 1669: $result =~ s/–/\\ensuremath\{-\}/g; 1670: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g; 1671: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g; 1672: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g; 1673: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g; 1674: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g; 1675: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g; 1676: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g; 1677: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g; 1678: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g; 1679: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g; 1680: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g; 1681: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g; 1682: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g; 1683: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g; 1684: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g; 1685: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g; 1686: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g; 1687: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g; 1688: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g; 1689: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g; 1690: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g; 1691: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g; 1692: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g; 1693: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g; 1694: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g; 1695: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g; 1696: #Geometric Shapes (extended HTML 4.01) 1697: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g; 1698: #Miscellaneous Symbols (extended HTML 4.01) 1699: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g; 1700: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g; 1701: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g; 1702: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g; 1703: # Chemically useful 'things' contributed by Hon Kie (bug 4652). 1704: 1705: $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g; 1706: $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g; 1707: $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g; 1708: $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g; 1709: $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g; 1710: $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g; 1711: $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g; 1712: $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g; 1713: $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g; 1714: $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g; 1715: $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g; 1716: $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g; 1717: $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g; 1718: 1719: # Left/right quotations: 1720: 1721: $result =~ s/&(ldquo|#8220);/\`\`/g; 1722: $result =~ s/&(rdquo|#8221);/\'\'/g; 1723: 1724: 1725: 1726: return $result; 1727: } 1728: 1729: 1730: #width, height, oddsidemargin, evensidemargin, topmargin 1731: my %page_formats= 1732: ('letter' => { 1733: 'book' => { 1734: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'], 1735: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'] 1736: }, 1737: 'album' => { 1738: '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','0.394 in'], 1739: '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in'] 1740: }, 1741: }, 1742: 'legal' => { 1743: 'book' => { 1744: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'], 1745: '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in'] 1746: }, 1747: 'album' => { 1748: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'], 1749: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in'] 1750: }, 1751: }, 1752: 'tabloid' => { 1753: 'book' => { 1754: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'], 1755: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in'] 1756: }, 1757: 'album' => { 1758: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'], 1759: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in'] 1760: }, 1761: }, 1762: 'executive' => { 1763: 'book' => { 1764: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'], 1765: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in'] 1766: }, 1767: 'album' => { 1768: '1' => [], 1769: '2' => [] 1770: }, 1771: }, 1772: 'a2' => { 1773: 'book' => { 1774: '1' => [], 1775: '2' => [] 1776: }, 1777: 'album' => { 1778: '1' => [], 1779: '2' => [] 1780: }, 1781: }, 1782: 'a3' => { 1783: 'book' => { 1784: '1' => [], 1785: '2' => [] 1786: }, 1787: 'album' => { 1788: '1' => [], 1789: '2' => [] 1790: }, 1791: }, 1792: 'a4' => { 1793: 'book' => { 1794: '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'], 1795: '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'] 1796: }, 1797: 'album' => { 1798: '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'], 1799: '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm'] 1800: }, 1801: }, 1802: 'a5' => { 1803: 'book' => { 1804: '1' => [], 1805: '2' => [] 1806: }, 1807: 'album' => { 1808: '1' => [], 1809: '2' => [] 1810: }, 1811: }, 1812: 'a6' => { 1813: 'book' => { 1814: '1' => [], 1815: '2' => [] 1816: }, 1817: 'album' => { 1818: '1' => [], 1819: '2' => [] 1820: }, 1821: }, 1822: ); 1823: 1824: sub page_format { 1825: # 1826: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]", 1827: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]", 1828: # "A2 [420x594 mm]", "A3 [297x420 mm]", 1829: # "A4 [210x297 mm]", "A5 [148x210 mm]", 1830: # "A6 [105x148 mm]" 1831: # 1832: my ($papersize,$layout,$numberofcolumns) = @_; 1833: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}}; 1834: } 1835: 1836: 1837: sub get_name { 1838: my ($uname,$udom)=@_; 1839: if (!defined($uname)) { $uname=$env{'user.name'}; } 1840: if (!defined($udom)) { $udom=$env{'user.domain'}; } 1841: my $plainname=&Apache::loncommon::plainname($uname,$udom); 1842: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; } 1843: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header'); 1844: return $plainname; 1845: } 1846: 1847: sub get_course { 1848: my $courseidinfo; 1849: if (defined($env{'request.course.id'})) { 1850: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header'); 1851: } 1852: return $courseidinfo; 1853: } 1854: 1855: sub page_format_transformation { 1856: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 1857: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin); 1858: 1859: if ($selectionmade eq '4') { 1860: if ($choice eq 'all_problems') { 1861: $assignment=&mt('Problems from the Whole Course'); 1862: } else { 1863: $assignment=&mt('Resources from the Whole Course'); 1864: } 1865: } else { 1866: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header'); 1867: } 1868: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin); 1869: 1870: 1871: my $name = &get_name(); 1872: my $courseidinfo = &get_course(); 1873: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } 1874: my $header_text = $parmhash{'print_header_format'}; 1875: $header_text = &format_page_header($textwidth, $header_text, $assignment, 1876: $courseidinfo, $name); 1877: my $topmargintoinsert = ''; 1878: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';} 1879: my $fancypagestatement=''; 1880: if ($numberofcolumns eq '2') { 1881: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}"; 1882: } else { 1883: $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}"; 1884: } 1885: if ($layout eq 'album') { 1886: $text =~ s/\\begin\{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /; 1887: } elsif ($layout eq 'book') { 1888: if ($choice ne 'All class print') { 1889: $text =~ s/\\begin\{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/; 1890: } else { 1891: $text =~ s/\\pagestyle\{fancy}\\rhead\{}\\chead\{}\s*\\begin\{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /; 1892: } 1893: if ($papersize eq 'a4') { 1894: my $papersize_text; 1895: if ($perm{'pav'}) { 1896: $papersize_text = '\\special{papersize=210mm,297mm}'; 1897: } else { 1898: $papersize_text = '\special{papersize=210mm,297mm}'; 1899: } 1900: $text =~ s/(\\begin\{document})/$1$papersize_text/; 1901: } 1902: } 1903: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;} 1904: if ($indexlist eq 'yes') { 1905: $text=~s/(\\begin\{document})/\\makeindex $1/; 1906: $text=~s/(\\end\{document})/\\strut\\\\\\strut\\printindex $1/; 1907: } 1908: return $text; 1909: } 1910: 1911: 1912: sub page_cleanup { 1913: my $result = shift; 1914: 1915: $result =~ m/\\end\{document}(\d*)$/; 1916: my $number_of_columns = $1; 1917: my $insert = '{'; 1918: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; } 1919: $insert .= '}'; 1920: $result =~ s/(\\begin\{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g; 1921: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g; 1922: return $result,$number_of_columns; 1923: } 1924: 1925: 1926: sub details_for_menu { 1927: my ($helper)=@_; 1928: my $postdata=$env{'form.postdata'}; 1929: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; } 1930: my $name_of_resource = &Apache::lonnet::gettitle($postdata); 1931: my $symbolic = &Apache::lonnet::symbread($postdata); 1932: return if ( $symbolic eq ''); 1933: 1934: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic); 1935: $map=&Apache::lonnet::clutter($map); 1936: my $name_of_sequence = &Apache::lonnet::gettitle($map); 1937: if ($name_of_sequence =~ /^\s*$/) { 1938: $map =~ m|([^/]+)$|; 1939: $name_of_sequence = $1; 1940: } 1941: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'}); 1942: if ($name_of_map =~ /^\s*$/) { 1943: $env{'request.course.uri'} =~ m|([^/]+)$|; 1944: $name_of_map = $1; 1945: } 1946: return ($name_of_resource,$name_of_sequence,$name_of_map); 1947: } 1948: 1949: sub copyright_line { 1950: return '\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\vspace*{-2 mm}\newline\noindent{\tiny Printed from LON-CAPA\copyright MSU{\hfill} Licensed under GNU General Public License } '; 1951: } 1952: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n"; 1953: 1954: sub latex_corrections { 1955: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_; 1956: # $result =~ s/\\includegraphics\{/\\includegraphics\[width=\\minipagewidth\]{/g; 1957: my $copyright = &copyright_line(); 1958: if ($selectionmade eq '1' || $answer_mode eq 'only') { 1959: $result =~ s/(\\end\{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/; 1960: } else { 1961: $result =~ s/(\\end\{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/; 1962: } 1963: $result =~ s/\$number_of_columns/$number_of_columns/g; 1964: $result =~ s/(\\end\{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g; 1965: $result =~ s/(\\end\{longtable}\s*)\\strut\\newline/$1/g; 1966: #-- LaTeX corrections 1967: my $first_comment = index($result,'',$first_comment); 1970: substr($result,$first_comment,$end_comment-$first_comment+3) = ''; 1971: $first_comment = index($result,'<!--',$first_comment); 1972: } 1973: $result =~ s/^\s+$//gm; #remove empty lines 1974: #removes more than one empty space 1975: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge; 1976: $result =~ s/\\\\\s*\\vskip/\\vskip/gm; 1977: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g; 1978: $result =~ s/{\\par }\s*\\\\/\\\\/gm; 1979: $result =~ s/\\\\\s+\[/ \[/g; 1980: #conversion of html characters to LaTeX equivalents 1981: if ($result =~ m/&(\w+|#\d+);/) { 1982: $result = &character_chart($result); 1983: } 1984: $result =~ s/(\\end\{tabular})\s*\\vskip 0 mm/$1/g; 1985: $result =~ s/(\\begin\{enumerate})\s*\\noindent/$1/g; 1986: return $result; 1987: } 1988: 1989: 1990: sub index_table { 1991: my $currentURL = shift; 1992: my $insex_string=''; 1993: $currentURL=~s/\.([^\/+])$/\.$1\.meta/; 1994: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords'); 1995: return $insex_string; 1996: } 1997: 1998: 1999: sub IndexCreation { 2000: my ($texversion,$currentURL)=@_; 2001: my @key_words=split(/,/,&index_table($currentURL)); 2002: my $chunk=''; 2003: my $st=index $texversion,'\addcontentsline{toc}{subsection}{'; 2004: if ($st>0) { 2005: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);} 2006: $chunk=substr($texversion,0,$st+1); 2007: substr($texversion,0,$st+1)=' '; 2008: } 2009: foreach my $key_word (@key_words) { 2010: if ($key_word=~/\S+/) { 2011: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i; 2012: } 2013: } 2014: if ($st>0) {substr($texversion,0,1)=$chunk;} 2015: return $texversion; 2016: } 2017: 2018: sub print_latex_header { 2019: my $mode=shift; 2020: 2021: return &Apache::londefdef::latex_header($mode); 2022: } 2023: 2024: sub path_to_problem { 2025: my ($urlp,$colwidth)=@_; 2026: $urlp=&Apache::lonnet::clutter($urlp); 2027: 2028: my $newurlp = ''; 2029: $colwidth=~s/\s*mm\s*$//; 2030: #characters average about 2 mm in width 2031: if (length($urlp)*2 > $colwidth) { 2032: my @elements = split('/',$urlp); 2033: my $curlength=0; 2034: foreach my $element (@elements) { 2035: if ($element eq '') { next; } 2036: if ($curlength+(length($element)*2) > $colwidth) { 2037: $newurlp .= '|\vskip -1 mm \verb|'; 2038: $curlength=length($element)*2; 2039: } else { 2040: $curlength+=length($element)*2; 2041: } 2042: $newurlp.='/'.$element; 2043: } 2044: } else { 2045: $newurlp=$urlp; 2046: } 2047: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}'; 2048: } 2049: 2050: sub recalcto_mm { 2051: my $textwidth=shift; 2052: my $LaTeXwidth; 2053: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) { 2054: $LaTeXwidth = $1*10; 2055: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) { 2056: $LaTeXwidth = $1; 2057: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) { 2058: $LaTeXwidth = $1*25.4; 2059: } 2060: $LaTeXwidth.=' mm'; 2061: return $LaTeXwidth; 2062: } 2063: 2064: sub get_textwidth { 2065: my ($helper,$LaTeXwidth)=@_; 2066: my $textwidth=$LaTeXwidth; 2067: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ && 2068: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) { 2069: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '. 2070: $helper->{'VARS'}->{'pagesize.widthunit'}); 2071: } 2072: return $textwidth; 2073: } 2074: 2075: 2076: sub unsupported { 2077: my ($currentURL,$mode,$symb)=@_; 2078: if ($mode ne '') {$mode='\\'.$mode} 2079: my $result.= &print_latex_header($mode); 2080: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) { 2081: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|; 2082: $currentURL=~s|^http://https://|https://|; 2083: my $title=&Apache::lonnet::gettitle($symb); 2084: $title = &Apache::lonxml::latex_special_symbols($title); 2085: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' '; 2086: } else { 2087: $result.=$currentURL; 2088: } 2089: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}'; 2090: return $result; 2091: } 2092: 2093: # 2094: # Map from helper layout style to the book/album: 2095: # 2096: sub map_laystyle { 2097: my ($laystyle) = @_; 2098: if ($laystyle eq 'L') { 2099: $laystyle='album'; 2100: } else { 2101: $laystyle='book'; 2102: } 2103: return $laystyle; 2104: } 2105: 2106: sub print_page_in_course { 2107: my ($helper, $rparmhash, $currentURL, $resources) = @_; 2108: 2109: my %parmhash = %$rparmhash; 2110: my @page_resources = @$resources; 2111: my $mode = $helper->{'VARS'}->{'LATEX_TYPE'}; 2112: my $symb = $helper->{'VARS'}->{'symb'}; 2113: 2114: 2115: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'}; 2116: 2117: 2118: my @temporary_array=split /\|/,$format_from_helper; 2119: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array; 2120: $laystyle = &map_laystyle($laystyle); 2121: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle, 2122: $numberofcolumns); 2123: my $LaTeXwidth=&recalcto_mm($textwidth); 2124: 2125: 2126: if ($mode ne '') {$mode='\\'.$mode} 2127: my $result = &print_latex_header($mode); 2128: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) { 2129: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|; 2130: my $title=&Apache::lonnet::gettitle($symb); 2131: $title = &Apache::lonxml::latex_special_symbols($title); 2132: } else { 2133: my $esc_currentURL= $currentURL; 2134: $esc_currentURL =~ s/_/\\_/g; 2135: $result.=$esc_currentURL; 2136: } 2137: $result .= '\\\\'; 2138: 2139: if ($helper->{'VARS'}->{'style_file'}=~/\w/) { 2140: &Apache::lonnet::appenv({'construct.style' => 2141: $helper->{'VARS'}->{'style_file'}}); 2142: } elsif ($env{'construct.style'}) { 2143: &Apache::lonnet::delenv('construct.style'); 2144: } 2145: 2146: # First is the overall page description. This is then followed by the 2147: # components of the page. Each of which must be printed independently. 2148: my $the_page = shift(@page_resources); 2149: 2150: 2151: foreach my $resource (@page_resources) { 2152: my $resource_src = $resource->src(); # Essentially the URL of the resource. 2153: $result .= $resource->title() . '\\\\'; 2154: 2155: # Recurse if a .page: 2156: 2157: if ($resource_src =~ /.page$/i) { 2158: my $navmap = Apache::lonnavmaps::navmap->new(); 2159: my @page_resources = $navmap->retrieveResources($resource_src); 2160: $result .= &print_page_in_course($helper, $rparmhash, 2161: $resource_src, \@page_resources); 2162: } elsif ($resource->ext()) { 2163: $result .= &unsupported($currentURL,$mode,$symb); 2164: } 2165: # these resources go through the XML transformer: 2166: 2167: elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) { 2168: 2169: my $urlp = &Apache::lonnet::clutter($resource_src); 2170: 2171: my %form; 2172: my %moreenv; 2173: 2174: &Apache::lonxml::remember_problem_counter(); 2175: $moreenv{'request.filename'}=$urlp; 2176: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';} 2177: 2178: $form{'grade_target'} = 'tex'; 2179: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth); 2180: $form{'pdfFormFields'} = 'no'; # 2181: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'}; 2182: 2183: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 2184: $form{'suppress_tries'}=$parmhash{'suppress_tries'}; 2185: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 2186: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 2187: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 2188: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') || 2189: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) { 2190: $form{'problem_split'}='yes'; 2191: } 2192: my $rndseed = time; 2193: if ($helper->{'VARS'}->{'curseed'}) { 2194: $rndseed=$helper->{'VARS'}->{'curseed'}; 2195: } 2196: $form{'rndseed'}=$rndseed; 2197: &Apache::lonnet::appenv(\%moreenv); 2198: 2199: &Apache::lonxml::clear_problem_counter(); 2200: 2201: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form); 2202: 2203: 2204: # current document with answers.. no need to encap in minipage 2205: # since there's only one answer. 2206: 2207: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 2208: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 2209: my %answerform = %form; 2210: 2211: 2212: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'}; 2213: $answerform{'grade_target'}='answer'; 2214: $answerform{'answer_output_mode'}='tex'; 2215: $answerform{'rndseed'}=$rndseed; 2216: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') { 2217: $answerform{'problemtype'}='exam'; 2218: } 2219: $resources_printed .= $urlp.':'; 2220: my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform); 2221: 2222: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 2223: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/; 2224: } else { 2225: $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 2226: if ($helper->{'VARS'}->{'construction'} ne '1') { 2227: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}); 2228: $title = &Apache::lonxml::latex_special_symbols($title); 2229: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm '; 2230: $texversion.=&path_to_problem($urlp,$LaTeXwidth); 2231: } else { 2232: $texversion.='\vskip 0 mm \noindent\textbf{'. 2233: &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm '; 2234: $texversion.=&path_to_problem($urlp,$LaTeXwidth); 2235: } 2236: $texversion.='\vskip 1 mm '.$answer.'\end{document}'; 2237: } 2238: 2239: 2240: 2241: 2242: 2243: } 2244: # Print annotations. 2245: 2246: 2247: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 2248: my $annotation .= &annotate($currentURL); 2249: $texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/; 2250: } 2251: 2252: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 2253: $texversion=&IndexCreation($texversion,$currentURL); 2254: } 2255: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') { 2256: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /; 2257: 2258: } 2259: $texversion = &latex_header_footer_remove($texversion); 2260: 2261: # the first remaining line is a comment from londefdef the second 2262: # line seems to be an extraneous \vskip 1mm \\\\ : 2263: # (imperfect removal from header_footer_remove? 2264: 2265: $texversion =~ s/\\vskip 1mm \\\\\\\\//; 2266: 2267: $result .= $texversion; 2268: if ($currentURL=~m/\.page\s*$/) { 2269: ($result,$numberofcolumns) = &page_cleanup($result); 2270: } 2271: } 2272: } 2273: 2274: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}'; 2275: return $result; 2276: } 2277: 2278: 2279: # 2280: # List of recently generated print files 2281: # 2282: sub recently_generated { 2283: my ($prtspool) = @_; 2284: my $output; 2285: my $zip_result; 2286: my $pdf_result; 2287: opendir(DIR,$prtspool); 2288: 2289: my @files = 2290: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR)); 2291: closedir(DIR); 2292: 2293: @files = sort { 2294: my ($actime) = (stat($prtspool.'/'.$a))[10]; 2295: my ($bctime) = (stat($prtspool.'/'.$b))[10]; 2296: return $bctime <=> $actime; 2297: } (@files); 2298: 2299: foreach my $filename (@files) { 2300: my ($ext) = ($filename =~ m/(pdf|zip)$/); 2301: my ($cdev,$cino,$cmode,$cnlink, 2302: $cuid,$cgid,$crdev,$csize, 2303: $catime,$cmtime,$cctime, 2304: $cblksize,$cblocks)=stat($prtspool.'/'.$filename); 2305: my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File'); 2306: my $result=&Apache::loncommon::start_data_table_row() 2307: .'<td>' 2308: .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>' 2309: .'</td>' 2310: .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>' 2311: .'<td align="right">'.$csize.'</td>' 2312: .&Apache::loncommon::end_data_table_row(); 2313: if ($ext eq 'pdf') { $pdf_result .= $result; } 2314: if ($ext eq 'zip') { $zip_result .= $result; } 2315: } 2316: if ($zip_result || $pdf_result) { 2317: $output ='<hr />'; 2318: } 2319: if ($zip_result) { 2320: $output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n" 2321: .&Apache::loncommon::start_data_table() 2322: .&Apache::loncommon::start_data_table_header_row() 2323: .'<th>'.&mt('Download').'</th>' 2324: .'<th>'.&mt('Creation Date').'</th>' 2325: .'<th>'.&mt('File Size (Bytes)').'</th>' 2326: .&Apache::loncommon::end_data_table_header_row() 2327: .$zip_result 2328: .&Apache::loncommon::end_data_table(); 2329: } 2330: if ($pdf_result) { 2331: $output .='<h3>'.&mt('Recently generated printouts')."</h3>\n" 2332: .&Apache::loncommon::start_data_table() 2333: .&Apache::loncommon::start_data_table_header_row() 2334: .'<th>'.&mt('Download').'</th>' 2335: .'<th>'.&mt('Creation Date').'</th>' 2336: .'<th>'.&mt('File Size (Bytes)').'</th>' 2337: .&Apache::loncommon::end_data_table_header_row() 2338: .$pdf_result 2339: .&Apache::loncommon::end_data_table(); 2340: } 2341: return $output; 2342: } 2343: 2344: # 2345: # Retrieve the hash of page breaks. 2346: # 2347: # Inputs: 2348: # helper - reference to helper object. 2349: # Outputs 2350: # A reference to a page break hash. 2351: # 2352: # 2353: # use Data::Dumper; 2354: # sub dump_helper_vars { 2355: # my ($helper) = @_; 2356: # my $helpervars = Dumper($helper->{'VARS'}); 2357: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars"); 2358: #} 2359: 2360: sub get_page_breaks { 2361: my ($helper) = @_; 2362: my %page_breaks; 2363: 2364: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) { 2365: $page_breaks{$break} = 1; 2366: } 2367: return %page_breaks; 2368: } 2369: # 2370: # Returns text to insert for any extra vskip prior to the resource. 2371: # Parameters: 2372: # helper - Reference to the helper object driving the printout. 2373: # resource - Identifies the resource about to be printed. 2374: # 2375: # This is done as follows: 2376: # POSSIBLE_RESOURCES has the list of possible resources. 2377: # EXTRASPACE has the list of extra space values. 2378: # EXTRASPACE_UNITS is the set of resources for which the units are 2379: # mm. All others are 'in'. 2380: # 2381: # The resource is found in the POSSIBLE_RESOURCES to get the index 2382: # of the EXTRASPACE value. 2383: # 2384: # In order to speed this up for lengthy printouts, the first time, 2385: # POSSIBLE_RESOURCES is turned into a look up hash and 2386: # EXTRASPACE is turned into an array. 2387: # 2388: 2389: 2390: my %possible_resources; 2391: my %extraspace_mm; 2392: my @extraspace; 2393: my $skips_loaded = 0; 2394: 2395: # Function to load the skips hash and array 2396: 2397: sub load_skips { 2398: 2399: my ($helper) = @_; 2400: 2401: # If this is the first time, unrap the resources and extra spaces: 2402: 2403: if (!$skips_loaded) { 2404: @extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'})); 2405: my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'})); 2406: my $i = 0; 2407: foreach my $resource (@resource_list) { 2408: $possible_resources{$resource} = $i; 2409: $i++; 2410: } 2411: foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) { 2412: $extraspace_mm{$mm_resource} = 1; 2413: } 2414: $skips_loaded = 1; 2415: } 2416: } 2417: 2418: sub get_extra_vspaces { 2419: my ($helper, $resource) = @_; 2420: 2421: &load_skips($helper); 2422: 2423: # Lookup the resource in the possible resources hash.. that is the index 2424: # into the extraspace array that gives us either an empty string or 2425: # the number of mm to skip: 2426: 2427: my $index = $possible_resources{$resource}; 2428: my $skip = $extraspace[$index]; 2429: 2430: my $result = ''; 2431: if ($skip ne '') { 2432: my $units = 'in'; 2433: if (defined($extraspace_mm{$resource})) { 2434: $units = 'mm'; 2435: } 2436: $result = '\vskip '.$skip.' '.$units; 2437: } 2438: 2439: 2440: return $result; 2441: 2442: 2443: } 2444: 2445: # 2446: # The resource chooser part of the helper needs more than just 2447: # the value of the extraspaces var to recover the value into a text 2448: # field option. This sub produces the required format for the saved var: 2449: # specifically 2450: # ||| separated fields of the form resourcename=value 2451: # 2452: # Parameters: 2453: # $helper - Refers to the helper we are configuring 2454: # Implicit input: 2455: # $helper->{'VARS'}->{'EXTRASPACE'} - the spaces helper var has the text field 2456: # value. 2457: # $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes). 2458: # $helper->{'VARS'}->{'POSSIBLE_RESOURCES'} - has the list of resources. ||| 2459: # separated of course. 2460: # Implicit outputs: 2461: # $env{'form.extraspace'} 2462: # $env{'form.extraspace_units'} 2463: # 2464: sub set_form_extraspace { 2465: my ($helper) = @_; 2466: 2467: # the most convenient way to do this is to drive from the skips arrays/hash. 2468: # may not be the fastest, but this is once per print request so it's not so 2469: # speed critical: 2470: 2471: &load_skips($helper); 2472: 2473: my $result = ''; 2474: 2475: foreach my $resource (keys(%possible_resources)) { 2476: my $vskip = $extraspace[$possible_resources{$resource}]; 2477: $result .= $resource .'=' . $vskip . '|||'; 2478: } 2479: 2480: $env{'form.extraspace'} = $result; 2481: $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'}; 2482: return $result; 2483: 2484: } 2485: 2486: # Output a sequence (recursively if neeed) 2487: # from construction space. 2488: # Parameters: 2489: # url = URL of the sequence to print. 2490: # helper - Reference to the helper hash. 2491: # form - Copy of the format hash. 2492: # LaTeXWidth 2493: # Returns: 2494: # Text to add to the printout. 2495: # NOTE if the first element of the outermost sequence 2496: # is itself a sequence, the outermost caller may need to 2497: # prefix the latex with the page headers stuff. 2498: # 2499: sub print_construction_sequence { 2500: my ($currentURL, $helper, %form, $LaTeXwidth) = @_; 2501: 2502: my $result; 2503: my $rndseed=time; 2504: if ($helper->{'VARS'}->{'curseed'}) { 2505: $rndseed=$helper->{'VARS'}->{'curseed'}; 2506: } 2507: my $errtext=&LONCAPA::map::mapread(&Apache::lonnet::filelocation('',$currentURL)); 2508: 2509: # 2510: # These make this all support recursing for subsequences. 2511: # 2512: my @order = @LONCAPA::map::order; 2513: my @resources = @LONCAPA::map::resources; 2514: 2515: for (my $member=0;$member<=$#order;$member++) { 2516: $resources[$order[$member]]=~/^([^:]*):([^:]*):/; 2517: my $urlp=$2; 2518: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) { 2519: my $texversion=''; 2520: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') { 2521: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 2522: $form{'suppress_tries'}=$parmhash{'suppress_tries'}; 2523: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 2524: $form{'rndseed'}=$rndseed; 2525: $resources_printed .=$urlp.':'; 2526: $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form); 2527: } 2528: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 2529: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 2530: ($urlp=~/$LONCAPA::assess_page_re/)) { 2531: # Don't permanently modify %$form... 2532: my %answerform = %form; 2533: $answerform{'grade_target'}='answer'; 2534: $answerform{'answer_output_mode'}='tex'; 2535: $answerform{'rndseed'}=$rndseed; 2536: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'}; 2537: if ($urlp=~/\/res\//) {$env{'request.state'}='published';} 2538: $resources_printed .= $urlp.':'; 2539: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform); 2540: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 2541: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/; 2542: } else { 2543: # If necessary, encapsulate answer in minipage: 2544: 2545: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 2546: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}); 2547: $title = &Apache::lonxml::latex_special_symbols($title); 2548: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm '; 2549: $body.=&path_to_problem($urlp,$LaTeXwidth); 2550: $body.='\vskip 1 mm '.$answer.'\end{document}'; 2551: $body = &encapsulate_minipage($body); 2552: $texversion.=$body; 2553: } 2554: } 2555: $texversion = &latex_header_footer_remove($texversion); 2556: 2557: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 2558: $texversion=&IndexCreation($texversion,$urlp); 2559: } 2560: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') { 2561: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /; 2562: } 2563: $result.=$texversion; 2564: 2565: } elsif ($urlp=~/\.(sequence|page)$/) { 2566: 2567: # header: 2568: 2569: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent '; 2570: 2571: # IF sequence, recurse: 2572: 2573: if ($urlp =~ /\.sequence$/) { 2574: $result .= &print_construction_sequence($urlp, 2575: $helper, %form, 2576: $LaTeXwidth); 2577: } 2578: } 2579: elsif ($urlp =~ /\.pdf$/i) { 2580: my $texversion; 2581: if ($member != 0) { 2582: $texversion .= '\cleardoublepage'; 2583: } 2584: 2585: $texversion .= &include_pdf($urlp); 2586: $texversion = &latex_header_footer_remove($texversion); 2587: if ($member != $#order) { 2588: $texversion .= '\\ \cleardoublepage'; 2589: } 2590: 2591: $result .= $texversion; 2592: } 2593: } 2594: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin\{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;} 2595: return $result; 2596: } 2597: 2598: # 2599: # Top level for generating print output. 2600: # 2601: # May call print_resources if multiple resources will be printed. 2602: # 2603: # The main driver is $selectionmade which reflects the type of print out 2604: # requested: 2605: # Value Print type: 2606: # 1 Print resource that's being looked at. 2607: # 2 Print problems in a map or in a page. 2608: # 3 Print pages in a map or resources in a page. 2609: # 4 Print all problems or all resources. 2610: # 5 Print problems for seleted students. 2611: # 6 Print selected problems from a folder. 2612: # 7 Print print selected resources from some scope. 2613: # 8 Print resources for selected students. 2614: # 2615: #BZ 5209 2616: # 2 map_incomplete_problems_seq Print incomplete problems from the current 2617: # folder in student context. 2618: # 5 map_incomplete_problems_people_seq Print incomplete problems from the 2619: # current folder in privileged context. 2620: # 5 incomplete_problems_selpeople_course Print incomplete problems for 2621: # selected people from the entire course. 2622: # 2623: # Item 101 has much the same processing as 8, 2624: # 2625: # Differences: Item 101, 102 require per-student filtering of the resource 2626: # set so that only the incomplete resources are printed. 2627: # For item 100, filtering was done at the helper level. 2628: 2629: sub output_data { 2630: 2631: my ($r,$helper,$rparmhash) = @_; 2632: my %parmhash = %$rparmhash; 2633: $ssi_error = 0; # This will be set nonzero by failing ssi's. 2634: $resources_printed = ''; 2635: $font_size = $helper->{'VARS'}->{'fontsize'}; 2636: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'}; # Allows textual simplification. 2637: my $do_postprocessing = 1; 2638: my $js = <<ENDPART; 2639: <script type="text/javascript"> 2640: var editbrowser; 2641: function openbrowser(formname,elementname,only,omit) { 2642: var url = '/res/?'; 2643: if (editbrowser == null) { 2644: url += 'launch=1&'; 2645: } 2646: url += 'catalogmode=interactive&'; 2647: url += 'mode=parmset&'; 2648: url += 'form=' + formname + '&'; 2649: if (only != null) { 2650: url += 'only=' + only + '&'; 2651: } 2652: if (omit != null) { 2653: url += 'omit=' + omit + '&'; 2654: } 2655: url += 'element=' + elementname + ''; 2656: var title = 'Browser'; 2657: var options = 'scrollbars=1,resizable=1,menubar=0'; 2658: options += ',width=700,height=600'; 2659: editbrowser = open(url,title,options,'1'); 2660: editbrowser.focus(); 2661: } 2662: </script> 2663: ENDPART 2664: 2665: 2666: # Breadcrumbs 2667: #FIXME: Choose better/different breadcrumbs?!? Links? 2668: my $brcrum = [{'href' => '', 2669: 'text' => 'Helper'}, #FIXME: Different origin possible than print out helper? 2670: {'href' => '', 2671: 'text' => 'Preparing Printout'}]; 2672: 2673: my $start_page = &Apache::loncommon::start_page('Preparing Printout', 2674: $js, 2675: {'bread_crumbs' => $brcrum,}); 2676: my $msg = &mt('Please stand by while processing your print request, this may take some time ...'); 2677: 2678: $r->print($start_page."\n<p>\n$msg\n</p>\n"); 2679: 2680: # fetch the pagebreaks and store them in the course environment 2681: # The page breaks will be pulled into the hash %page_breaks which is 2682: # indexed by symb and contains 1's for each break. 2683: 2684: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'}; 2685: &set_form_extraspace($helper); 2686: $env{'form.lastprinttype'} = $print_type; 2687: &Apache::loncommon::store_course_settings('print', 2688: {'pagebreaks' => 'scalar', 2689: 'extraspace' => 'scalar', 2690: 'extraspace_units' => 'scalar', 2691: 'lastprinttype' => 'scalar'}); 2692: my %page_breaks = &get_page_breaks($helper); 2693: 2694: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'}; 2695: my ($result,$selectionmade) = ('',''); 2696: my $number_of_columns = 1; #used only for pages to determine the width of the cell 2697: my @temporary_array=split /\|/,$format_from_helper; 2698: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array; 2699: 2700: $laystyle = &map_laystyle($laystyle); 2701: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns); 2702: my $assignment = $env{'form.assignment'}; 2703: my $LaTeXwidth=&recalcto_mm($textwidth); 2704: my @print_array=(); 2705: my @student_names=(); 2706: 2707: 2708: # Common settings for the %form has: 2709: # In some cases these settings get overriddent by specific cases, but the 2710: # settings are common enough to make it worthwhile factoring them out 2711: # here. 2712: # 2713: my %form; 2714: $form{'grade_target'} = 'tex'; 2715: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth); 2716: $form{'pdfFormFields'} = 'no'; 2717: 2718: # If form.showallfoils is set, then request all foils be shown: 2719: # privilege will be enforced both by not allowing the 2720: # check box selecting this option to be presnt unless it's ok, 2721: # and by lonresponse's priv. check. 2722: # The if is here because lonresponse.pm only cares that 2723: # showallfoils is defined, not what the value is. 2724: 2725: if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 2726: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'}; 2727: } 2728: 2729: if ($helper->{'VARS'}->{'style_file'}=~/\w/) { 2730: &Apache::lonnet::appenv({'construct.style' => 2731: $helper->{'VARS'}->{'style_file'}}); 2732: } elsif ($env{'construct.style'}) { 2733: &Apache::lonnet::delenv('construct.style'); 2734: } 2735: 2736: if ($print_type eq 'current_document') { 2737: #-- single document - problem, page, html, xml, ... 2738: my ($currentURL,$cleanURL); 2739: 2740: if ($helper->{'VARS'}->{'construction'} ne '1') { 2741: #prints published resource 2742: $currentURL=$helper->{'VARS'}->{'postdata'}; 2743: $cleanURL=&Apache::lonenc::check_decrypt($currentURL); 2744: } else { 2745: 2746: #prints resource from the construction space 2747: $currentURL=$helper->{'VARS'}->{'filename'}; 2748: $cleanURL=$currentURL; 2749: } 2750: $selectionmade = 1; 2751: 2752: if ($cleanURL!~m|^/adm/| 2753: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) { 2754: my $rndseed=time; 2755: my $texversion=''; 2756: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') { 2757: my %moreenv; 2758: $moreenv{'request.filename'}=$cleanURL; 2759: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';} 2760: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 2761: $form{'suppress_tries'}=$parmhash{'suppress_tries'}; 2762: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 2763: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 2764: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 2765: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') || 2766: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) { 2767: $form{'problem_split'}='yes'; 2768: } 2769: if ($helper->{'VARS'}->{'curseed'}) { 2770: $rndseed=$helper->{'VARS'}->{'curseed'}; 2771: } 2772: $form{'rndseed'}=$rndseed; 2773: &Apache::lonnet::appenv(\%moreenv); 2774: 2775: &Apache::lonxml::clear_problem_counter(); 2776: 2777: $resources_printed .= $currentURL.':'; 2778: $texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form); 2779: 2780: # Add annotations if required: 2781: 2782: &Apache::lonxml::clear_problem_counter(); 2783: 2784: &Apache::lonnet::delenv('request.filename'); 2785: } 2786: # current document with answers.. no need to encap in minipage 2787: # since there's only one answer. 2788: 2789: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 2790: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 2791: 2792: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 2793: $form{'grade_target'}='answer'; 2794: $form{'answer_output_mode'}='tex'; 2795: $form{'rndseed'}=$rndseed; 2796: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') { 2797: $form{'problemtype'}='exam'; 2798: } 2799: $resources_printed .= $currentURL.':'; 2800: my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form); 2801: 2802: 2803: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 2804: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/; 2805: } else { 2806: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 2807: if ($helper->{'VARS'}->{'construction'} ne '1') { 2808: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}); 2809: $title = &Apache::lonxml::latex_special_symbols($title); 2810: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm '; 2811: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth); 2812: } else { 2813: $texversion.='\vskip 0 mm \noindent\textbf{'. 2814: &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm '; 2815: 2816: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth); 2817: } 2818: $texversion.='\vskip 1 mm '.$answer.'\end{document}'; 2819: } 2820: 2821: 2822: 2823: 2824: 2825: } 2826: # Print annotations. 2827: 2828: 2829: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 2830: my $annotation .= &annotate($currentURL); 2831: $texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/; 2832: } 2833: 2834: 2835: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 2836: $texversion=&IndexCreation($texversion,$currentURL); 2837: } 2838: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') { 2839: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /; 2840: 2841: } 2842: $result .= $texversion; 2843: if ($currentURL=~m/\.page\s*$/) { 2844: ($result,$number_of_columns) = &page_cleanup($result); 2845: } 2846: } elsif ($cleanURL!~m|^/adm/| 2847: && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') { 2848: $result .= &print_construction_sequence($currentURL, $helper, %form, 2849: $LaTeXwidth); 2850: $result .= '\end{document}'; 2851: if (!($result =~ /\\begin\{document\}/)) { 2852: $result = &print_latex_header() . $result; 2853: } 2854: # End construction space sequence. 2855: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 2856: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 2857: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;} 2858: $resources_printed .= $currentURL.':'; 2859: my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form); 2860: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 2861: my $annotation = &annotate($currentURL); 2862: $texversion =~ s/(\\end\{document})/$annotation$1/; 2863: } 2864: $result .= $texversion; 2865: } elsif ($cleanURL =~/\.tex$/) { 2866: # For this sort of print of a single LaTeX file, 2867: # We can just print the LaTeX file as it is uninterpreted in any way: 2868: # 2869: 2870: $result = &fetch_raw_resource($currentURL); 2871: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 2872: my $annotation = &annotate($currentURL); 2873: $result =~ s/(\\end\{document})/$annotation$1/; 2874: } 2875: 2876: $do_postprocessing = 0; # Don't massage the result. 2877: 2878: } elsif ($cleanURL =~ /\.pdf$/i) { 2879: $result .= &include_pdf($cleanURL); 2880: $result .= '\end{document}'; 2881: } elsif ($cleanURL =~ /\.page$/i) { # Print page in non construction space contexts. 2882: 2883: # Determine the set of resources in the map of the page: 2884: 2885: my $navmap = Apache::lonnavmaps::navmap->new(); 2886: my @page_resources = $navmap->retrieveResources($cleanURL); 2887: $result .= &print_page_in_course($helper, $rparmhash, 2888: $cleanURL, \@page_resources); 2889: 2890: 2891: } else { 2892: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'}, 2893: $helper->{'VARS'}->{'symb'}); 2894: } 2895: } elsif (($print_type eq 'map_problems') or 2896: ($print_type eq 'map_problems_in_page') or 2897: ($print_type eq 'map_resources_in_page') or 2898: ($print_type eq 'map_problems_pages') or 2899: ($print_type eq 'all_problems') or 2900: ($print_type eq 'all_resources') or # BUGBUG 2901: ($print_type eq 'select_sequences') or 2902: ($print_type eq 'map_incomplete_problems_seq') 2903: ) { 2904: 2905: #-- produce an output string 2906: if (($print_type eq 'map_problems') or 2907: ($print_type eq 'map_incomplete_problems_seq') or 2908: ($print_type eq 'map_problems_in_page') ) { 2909: $selectionmade = 2; 2910: } elsif (($print_type eq 'map_problems_pages') or 2911: ($print_type eq 'map_resources_in_page')) 2912: { 2913: $selectionmade = 3; 2914: } elsif (($print_type eq 'all_problems') 2915: ) { 2916: $selectionmade = 4; 2917: } elsif ($print_type eq 'all_resources') { #BUGBUG 2918: $selectionmade = 4; 2919: } elsif ($print_type eq 'select_sequences') { 2920: $selectionmade = 7; 2921: } 2922: 2923: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 2924: $form{'suppress_tries'}=$parmhash{'suppress_tries'}; 2925: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 2926: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 2927: $form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 2928: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') || 2929: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) { 2930: $form{'problem_split'}='yes'; 2931: } 2932: my $flag_latex_header_remove = 'NO'; 2933: my $flag_page_in_sequence = 'NO'; 2934: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 2935: my $prevassignment=''; 2936: 2937: &Apache::lonxml::clear_problem_counter(); 2938: 2939: for (my $i=0;$i<=$#master_seq;$i++) { 2940: 2941: &Apache::lonenc::reset_enc(); 2942: 2943: 2944: # Note due to document structure, not allowed to put \newpage 2945: # prior to the first resource 2946: 2947: if (defined $page_breaks{$master_seq[$i]}) { 2948: if($i != 0) { 2949: $result.="\\newpage\n"; 2950: } 2951: } 2952: $result .= &get_extra_vspaces($helper, $master_seq[$i]); 2953: my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]); 2954: $urlp=&Apache::lonnet::clutter($urlp); 2955: $form{'symb'}=$master_seq[$i]; 2956: 2957: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem 2958: 2959: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;} 2960: if ($i==0) {$prevassignment=$assignment;} 2961: my $texversion=''; 2962: if ($urlp!~m|^/adm/| 2963: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { 2964: my $extension = $1; 2965: $resources_printed .= $urlp.':'; 2966: &Apache::lonxml::remember_problem_counter(); 2967: if ($flag_latex_header_remove eq 'NO') { 2968: $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); # RF 2969: unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') || 2970: (($i==0) && 2971: (($urlp=~/\.page$/) || 2972: ($print_type eq 'map_problems_in_page') || 2973: (($print_type eq 'map_resources_in_page') && ($extension !~ /^x?html?$/))))) { 2974: $flag_latex_header_remove = 'YES'; 2975: } 2976: } 2977: $texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form); 2978: if ($urlp=~/\.page$/) { 2979: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion); 2980: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 2981: $texversion =~ s/\\end\{document}\d*/\\end{document}/; 2982: $flag_page_in_sequence = 'YES'; 2983: } 2984: 2985: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 2986: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 2987: # Don't permanently pervert the %form hash 2988: my %answerform = %form; 2989: $answerform{'grade_target'}='answer'; 2990: $answerform{'answer_output_mode'}='tex'; 2991: $resources_printed .= $urlp.':'; 2992: 2993: &Apache::lonxml::restore_problem_counter(); 2994: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform); 2995: if ($urlp =~ /\.page$/) { 2996: $answer =~ s/\\end\{document}(\d*)$//; 2997: } 2998: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 2999: if ($urlp =~ /\.page$/) { 3000: my @probs = split(/\\keephidden\{ENDOFPROBLEM}/,$texversion); 3001: my $lastprob = pop(@probs); 3002: $texversion = join('\keephidden{ENDOFPROBLEM}',@probs). 3003: $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob; 3004: } else { 3005: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/; 3006: } 3007: } else { 3008: if ($urlp=~/$LONCAPA::assess_page_re/) { 3009: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 3010: # $texversion =~ s/\\begin\{document}//; # FIXME 3011: my $title = &Apache::lonnet::gettitle($master_seq[$i]); 3012: $title = &Apache::lonxml::latex_special_symbols($title); 3013: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm '; 3014: $body .= &path_to_problem ($urlp,$LaTeXwidth); 3015: $body .='\vskip 1 mm '.$answer; 3016: $body = &encapsulate_minipage($body); 3017: $texversion .= $body; 3018: } else { 3019: $texversion=''; 3020: } 3021: } 3022: 3023: } 3024: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 3025: my $annotation .= &annotate($urlp); 3026: $texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/; 3027: } 3028: 3029: if ($flag_latex_header_remove ne 'NO') { 3030: $texversion = &latex_header_footer_remove($texversion); 3031: } else { 3032: $texversion =~ s/\\end\{document}//; 3033: } 3034: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 3035: $texversion=&IndexCreation($texversion,$urlp); 3036: } 3037: if (($selectionmade == 4) and ($assignment ne $prevassignment)) { 3038: my $name = &get_name(); 3039: my $courseidinfo = &get_course(); 3040: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } 3041: $prevassignment=$assignment; 3042: my $header_text = $parmhash{'print_header_format'}; 3043: $header_text = &format_page_header($textwidth, $header_text, 3044: $assignment, 3045: $courseidinfo, 3046: $name); 3047: if ($numberofcolumns eq '1') { 3048: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm '; 3049: } else { 3050: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm '; 3051: } 3052: } 3053: $result .= $texversion; 3054: $flag_latex_header_remove = 'YES'; 3055: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 3056: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 3057: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;} 3058: $resources_printed .= $urlp.':'; 3059: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form); 3060: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 3061: my $annotation = &annotate($urlp); 3062: $texversion =~ s/(\\end\{document)/$annotation$1/; 3063: } 3064: 3065: if ($flag_latex_header_remove ne 'NO') { 3066: $texversion = &latex_header_footer_remove($texversion); 3067: } else { 3068: $texversion =~ s/\\end\{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/; 3069: } 3070: $result .= $texversion; 3071: $flag_latex_header_remove = 'YES'; 3072: } elsif ($urlp=~ /\.pdf$/i) { 3073: if ($i > 0) { 3074: $result .= '\cleardoublepage'; 3075: } 3076: my $texfrompdf = &include_pdf($urlp); 3077: if ($flag_latex_header_remove ne 'NO') { 3078: $texfrompdf = &latex_header_footer_remove($texfrompdf); 3079: } 3080: $result .= $texfrompdf; 3081: if ($i != $#master_seq) { 3082: if ($numberofcolumns eq '1') { 3083: $result .= '\newpage'; 3084: } else { 3085: # the \\'s seem to be needed to let LaTeX know there's something 3086: # on the page since LaTeX seems to not like to clear an empty page. 3087: # 3088: $result .= '\\ \cleardoublepage'; 3089: } 3090: } 3091: $flag_latex_header_remove = 'YES'; 3092: 3093: } else { 3094: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'}, 3095: $master_seq[$i]); 3096: if ($flag_latex_header_remove ne 'NO') { 3097: $texversion = &latex_header_footer_remove($texversion); 3098: } else { 3099: $texversion =~ s/\\end\{document}//; 3100: } 3101: $result .= $texversion; 3102: $flag_latex_header_remove = 'YES'; 3103: } 3104: if (&Apache::loncommon::connection_aborted($r)) { 3105: last; 3106: } 3107: } 3108: &Apache::lonxml::clear_problem_counter(); 3109: if ($flag_page_in_sequence eq 'YES') { 3110: $result =~ s/\\usepackage\{calc}/\\usepackage{calc}\\usepackage{longtable}/; 3111: } 3112: $result .= '\end{document}'; 3113: } elsif (($print_type eq 'problems_for_students') || 3114: ($print_type eq 'problems_for_students_from_page') || 3115: ($print_type eq 'all_problems_students') || 3116: ($print_type eq 'resources_for_students') || 3117: ($print_type eq 'incomplete_problems_selpeople_course') || 3118: ($print_type eq 'map_incomplete_problems_people_seq')){ 3119: 3120: 3121: #-- prints assignments for whole class or for selected students 3122: my $type; 3123: if (($print_type eq 'problems_for_students') || 3124: ($print_type eq 'problems_for_students_from_page') || 3125: ($print_type eq 'all_problems_students') || 3126: ($print_type eq 'incomplete_problems_selpeople_course') || 3127: ($print_type eq 'map_incomplete_problems_people_seq')) { 3128: $selectionmade=5; 3129: $type='problems'; 3130: } elsif ($print_type eq 'resources_for_students') { 3131: $selectionmade=8; 3132: $type='resources'; 3133: } 3134: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'}; 3135: # The normal sort order is by section then by students within the 3136: # section. If the helper var student_sort is 1, then the user has elected 3137: # to override this and output the students by name. 3138: # Each element of the students array is of the form: 3139: # username:domain:section:last, first:status 3140: # 3141: # Note that student sort is not compatible with printing 3142: # 1 section per pdf...so that setting overrides. 3143: # 3144: if (($helper->{'VARS'}->{'student_sort'} eq 1) && 3145: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) { 3146: @students = sort compare_names @students; 3147: } else { 3148: @students = sort compare_sections @students; 3149: } 3150: &adjust_number_to_print($helper); 3151: 3152: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' || 3153: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) { 3154: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1; 3155: } 3156: # If we are splitting on section boundaries, we need 3157: # to remember that in split_on_sections and 3158: # print all of the students in the list. 3159: # 3160: my $split_on_sections = 0; 3161: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') { 3162: $split_on_sections = 1; 3163: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1; 3164: } 3165: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 3166: 3167: my $map; 3168: if ($helper->{VARS}->{'symb'}) { 3169: ($map, my $id, my $resource) = 3170: &Apache::lonnet::decode_symb($helper->{VARS}->{'symb'}); 3171: } 3172: 3173: #loop over students 3174: 3175: my $flag_latex_header_remove = 'NO'; 3176: my %moreenv; 3177: $moreenv{'instructor_comments'}='hide'; 3178: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth); 3179: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 3180: $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 3181: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'}; 3182: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'}; 3183: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') || 3184: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) { 3185: $moreenv{'problem_split'}='yes'; 3186: } 3187: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$#students+1); 3188: my $student_counter=-1; 3189: my $i = 0; 3190: my $last_section = (split(/:/,$students[0]))[2]; 3191: my $nohidemap; 3192: if ($perm{'pav'} && $perm{'vgr'}) { 3193: $nohidemap = 1; 3194: } 3195: foreach my $person (@students) { 3196: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due"; 3197: if (-e $duefile) { 3198: my $temp_file = Apache::File->new('>>'.$duefile); 3199: print $temp_file "1969\n"; 3200: } 3201: $student_counter++; 3202: if ($split_on_sections) { 3203: my $this_section = (split(/:/,$person))[2]; 3204: if ($this_section ne $last_section) { 3205: $i++; 3206: $last_section = $this_section; 3207: } 3208: } else { 3209: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'}); 3210: } 3211: my $actual_seq = master_seq_to_person_seq($map, \@master_seq, 3212: $person, undef, $nohidemap); 3213: my ($output,$fullname, $printed)=&print_resources($r,$helper, 3214: $person,$type, 3215: \%moreenv, $actual_seq, 3216: $flag_latex_header_remove, 3217: $LaTeXwidth); 3218: $resources_printed .= ":"; 3219: $print_array[$i].=$output; 3220: $student_names[$i].=$person.':'.$fullname.'_END_'; 3221: # &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname); 3222: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student'); 3223: $flag_latex_header_remove = 'YES'; 3224: if (&Apache::loncommon::connection_aborted($r)) { last; } 3225: } 3226: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); 3227: $result .= $print_array[0].' \end{document}'; 3228: } elsif (($print_type eq 'problems_for_anon') || 3229: ($print_type eq 'problems_for_anon_page') || 3230: ($print_type eq 'resources_for_anon') ) { 3231: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'}; 3232: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'}; 3233: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'}; 3234: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'}; 3235: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'}; 3236: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'}; 3237: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'}; 3238: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'}; 3239: my @lines = &Apache::grades::get_scantronformat_file(); 3240: my ($code_type,$code_length,$bubbles_per_row)=('letter',6,10); 3241: foreach my $line (@lines) { 3242: chomp($line); 3243: my ($name,$type,$length,$bubbles_per_item) = 3244: (split(/:/,$line))[0,2,4,17]; 3245: if ($name eq $code_option) { 3246: $code_length=$length; 3247: if ($type eq 'number') { $code_type = 'number'; } 3248: chomp($bubbles_per_item); 3249: if (($bubbles_per_item ne '') && ($bubbles_per_item > 0)) { 3250: $bubbles_per_row = $bubbles_per_item; 3251: } 3252: } 3253: } 3254: my ($randomorder,$randompick,$map); 3255: if ($helper->{VARS}{'symb'}) { 3256: ($map, my $id, my $resource) = 3257: &Apache::lonnet::decode_symb($helper->{VARS}{'symb'}); 3258: my $navmap = Apache::lonnavmaps::navmap->new(); 3259: if (defined($navmap)) { 3260: if ($map) { 3261: my $mapres = $navmap->getResourceByUrl($map); 3262: $randomorder = $mapres->randomorder(); 3263: $randompick = $mapres->randompick(); 3264: } 3265: } 3266: } 3267: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth)); 3268: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'}; 3269: $moreenv{'instructor_comments'}='hide'; 3270: $moreenv{'bubbles_per_row'} = $bubbles_per_row; 3271: my $seed=time+($$<<16)+($$); 3272: my @allcodes; 3273: if ($old_name) { 3274: my %result=&Apache::lonnet::get('CODEs', 3275: [$old_name,"type\0$old_name"], 3276: $cdom,$cnum); 3277: $code_type=$result{"type\0$old_name"}; 3278: @allcodes=split(',',$result{$old_name}); 3279: $num_todo=scalar(@allcodes); 3280: } elsif ($selected_code) { # Selection value is always numeric. 3281: $num_todo = 1; 3282: @allcodes = ($selected_code); 3283: } elsif ($single_code) { 3284: 3285: $num_todo = 1; # Unconditionally one code to do. 3286: # If an alpha code have to convert to numbers so it can be 3287: # converted back to letters again :-) 3288: # 3289: if ($code_type ne 'number') { 3290: $single_code = &letters_to_num($single_code); 3291: } 3292: @allcodes = ($single_code); 3293: } else { 3294: my %allcodes; 3295: srand($seed); 3296: for (my $i=0;$i<$num_todo;$i++) { 3297: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length, 3298: $code_type); 3299: } 3300: $code_name =~ s/^\s+//; 3301: $code_name =~ s/\s+$//; 3302: if ($code_name) { 3303: &Apache::lonnet::put('CODEs', 3304: { 3305: $code_name =>join(',',keys(%allcodes)), 3306: "type\0$code_name" => $code_type 3307: }, 3308: $cdom,$cnum); 3309: } 3310: @allcodes=keys(%allcodes); 3311: } 3312: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 3313: my ($type) = split(/_/,$print_type); 3314: &adjust_number_to_print($helper); 3315: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'}; 3316: if ($number_per_page eq '0' || $number_per_page eq 'all' 3317: || $number_per_page eq 'section') { 3318: $number_per_page=$num_todo > 0 ? $num_todo : 1; 3319: } 3320: my $flag_latex_header_remove = 'NO'; 3321: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$num_todo); 3322: my $count=0; 3323: my $nohidemap; 3324: if ($perm{'pav'} && $perm{'vgr'}) { 3325: $nohidemap = 1; 3326: } 3327: foreach my $code (sort(@allcodes)) { 3328: my $file_num=int($count/$number_per_page); 3329: if ($code_type eq 'number') { 3330: $moreenv{'CODE'}=$code; 3331: } else { 3332: $moreenv{'CODE'}=&num_to_letters($code); 3333: } 3334: my $actual_seq = \@master_seq; 3335: if ($randomorder || $randompick) { 3336: $env{'form.CODE'} = $moreenv{'CODE'}; 3337: $actual_seq = master_seq_to_person_seq($map, \@master_seq, 3338: undef, 3339: $moreenv{'CODE'}, $nohidemap); 3340: delete($env{'form.CODE'}); 3341: } 3342: my ($output,$fullname, $printed)= 3343: &print_resources($r,$helper,'anonymous',$type,\%moreenv, 3344: $actual_seq,$flag_latex_header_remove, 3345: $LaTeXwidth); 3346: $resources_printed .= ":"; 3347: $print_array[$file_num].=$output; 3348: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, 3349: &mt('last assignment').' '.$fullname); 3350: $flag_latex_header_remove = 'YES'; 3351: $count++; 3352: if (&Apache::loncommon::connection_aborted($r)) { last; } 3353: } 3354: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); 3355: $result .= $print_array[0].' \end{document}'; 3356: } elsif ($print_type eq 'problems_from_directory') { 3357: #prints selected problems from the subdirectory 3358: $selectionmade = 6; 3359: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'}; 3360: @list_of_files=sort @list_of_files; 3361: my $flag_latex_header_remove = 'NO'; 3362: my $rndseed=time; 3363: if ($helper->{'VARS'}->{'curseed'}) { 3364: $rndseed=$helper->{'VARS'}->{'curseed'}; 3365: } 3366: for (my $i=0;$i<=$#list_of_files;$i++) { 3367: 3368: &Apache::lonenc::reset_enc(); 3369: 3370: my $urlp = $list_of_files[$i]; 3371: $urlp=~s|//|/|; 3372: if ($urlp=~/\//) { 3373: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 3374: $form{'rndseed'}=$rndseed; 3375: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||; 3376: $resources_printed .= $urlp.':'; 3377: my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form); 3378: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 3379: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 3380: # Don't permanently pervert %form: 3381: my %answerform = %form; 3382: $answerform{'grade_target'}='answer'; 3383: $answerform{'answer_output_mode'}='tex'; 3384: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 3385: $answerform{'rndseed'}=$rndseed; 3386: $resources_printed .= $urlp.':'; 3387: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform); 3388: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 3389: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/; 3390: } else { 3391: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 3392: if ($helper->{'VARS'}->{'construction'} ne '1') { 3393: $texversion.='\vskip 0 mm \noindent '; 3394: $texversion.=&path_to_problem ($urlp,$LaTeXwidth); 3395: } else { 3396: $texversion.='\vskip 0 mm \noindent\textbf{'. 3397: &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm '; 3398: $texversion.=&path_to_problem ($urlp,$LaTeXwidth); 3399: } 3400: $texversion.='\vskip 1 mm '.$answer.'\end{document}'; 3401: } 3402: } 3403: #this chunk is responsible for printing the path to problem 3404: 3405: my $newurlp=&path_to_problem($urlp,$LaTeXwidth); 3406: $texversion =~ s/(\\begin\{minipage}\{\\textwidth})/$1 $newurlp/; 3407: if ($flag_latex_header_remove ne 'NO') { 3408: $texversion = &latex_header_footer_remove($texversion); 3409: } else { 3410: $texversion =~ s/\\end\{document}//; 3411: } 3412: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 3413: $texversion=&IndexCreation($texversion,$urlp); 3414: } 3415: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') { 3416: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /; 3417: 3418: } 3419: $result .= $texversion; 3420: } 3421: $flag_latex_header_remove = 'YES'; 3422: } 3423: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;} 3424: $result .= '\end{document}'; 3425: } 3426: #-------------------------------------------------------- corrections for the different page formats 3427: 3428: # Only post process if that has not been turned off e.g. by a raw latex resource. 3429: 3430: if ($do_postprocessing) { 3431: $result = &page_format_transformation($papersize, 3432: $laystyle,$numberofcolumns, 3433: $print_type,$result, 3434: $helper->{VARS}->{'assignment'}, 3435: $helper->{'VARS'}->{'TABLE_CONTENTS'}, 3436: $helper->{'VARS'}->{'TABLE_INDEX'}, 3437: $selectionmade); 3438: $result = &latex_corrections($number_of_columns,$result,$selectionmade, 3439: $helper->{'VARS'}->{'ANSWER_TYPE'}); 3440: #if ($numberofcolumns == 1) { 3441: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /; 3442: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /; 3443: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; 3444: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; 3445: #} 3446: } 3447: 3448: # Set URLback so we can provide a link back to the resource and to change options. 3449: # (Since the browser back button does not currently work with https, 3450: # the back link is useful even when there is an easy-to-miss LON-CAPA back button.) 3451: 3452: my $URLback=''; #link to original document 3453: if ($helper->{'VARS'}->{'construction'} eq '1') { 3454: $URLback=$helper->{'VARS'}->{'filename'}; 3455: } elsif ($helper->{VARS}{'symb'}) { 3456: my ($map, $id, $url) = &Apache::lonnet::decode_symb($helper->{VARS}{'symb'}); 3457: $url = &Apache::lonnet::clutter($url); 3458: if ($env{'request.enc'}) { 3459: $url = &Apache::lonenc::encrypted($url); 3460: } 3461: if ($url ne '') { 3462: $URLback = $url.(($url =~ /\?/) ? '&':'?').'symb='.$helper->{VARS}{'symb'}; 3463: } 3464: } 3465: # 3466: # Final adjustment of the font size: 3467: # 3468: 3469: $result = set_font_size($result); 3470: 3471: # Insert any babel headers required. 3472: 3473: $result = &collect_languages($result); 3474: 3475: 3476: #-- writing .tex file in prtspool 3477: my $temp_file; 3478: my $identifier = &Apache::loncommon::get_cgi_id(); 3479: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex"; 3480: if (!($#print_array>0)) { 3481: unless ($temp_file = Apache::File->new('>'.$filename)) { 3482: $r->log_error("Couldn't open $filename for output $!"); 3483: return SERVER_ERROR; 3484: } 3485: print $temp_file $result; 3486: my $begin=index($result,'\begin{document}',0); 3487: my $inc=substr($result,0,$begin+16); 3488: } else { 3489: my $begin=index($result,'\begin{document}',0); 3490: my $inc=substr($result,0,$begin+16); 3491: for (my $i=0;$i<=$#print_array;$i++) { 3492: if ($i==0) { 3493: $print_array[$i]=$result; 3494: } else { 3495: $print_array[$i].='\end{document}'; 3496: $print_array[$i] = 3497: &latex_corrections($number_of_columns,$print_array[$i], 3498: $selectionmade, 3499: $helper->{'VARS'}->{'ANSWER_TYPE'}); 3500: 3501: my $anobegin=index($print_array[$i],'\setcounter{page}',0); 3502: substr($print_array[$i],0,$anobegin)=''; 3503: $print_array[$i]=$inc.$print_array[$i]; 3504: } 3505: my $temp_file; 3506: my $newfilename=$filename; 3507: my $num=$i+1; 3508: $newfilename =~s/\.tex$//; 3509: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num); 3510: unless ($temp_file = Apache::File->new('>'.$newfilename)) { 3511: $r->log_error("Couldn't open $newfilename for output $!"); 3512: return SERVER_ERROR; 3513: } 3514: print $temp_file $print_array[$i]; 3515: } 3516: } 3517: my $student_names=''; 3518: if ($#print_array>0) { 3519: for (my $i=0;$i<=$#print_array;$i++) { 3520: $student_names.=$student_names[$i].'_ENDPERSON_'; 3521: } 3522: } else { 3523: if ($#student_names>-1) { 3524: $student_names=$student_names[0].'_ENDPERSON_'; 3525: } else { 3526: my $fullname = &get_name($env{'user.name'},$env{'user.domain'}); 3527: $student_names=join(':',$env{'user.name'},$env{'user.domain'}, 3528: $env{'request.course.sec'},$fullname). 3529: '_ENDPERSON_'.'_END_'; 3530: } 3531: } 3532: 3533: # logic for now is too complex to trace if this has been defined 3534: # yet. 3535: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3536: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3537: &Apache::lonnet::appenv({'cgi.'.$identifier.'.file' => $filename, 3538: 'cgi.'.$identifier.'.layout' => $laystyle, 3539: 'cgi.'.$identifier.'.numcol' => $numberofcolumns, 3540: 'cgi.'.$identifier.'.paper' => $papersize, 3541: 'cgi.'.$identifier.'.selection' => $selectionmade, 3542: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'}, 3543: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'}, 3544: 'cgi.'.$identifier.'.role' => $perm{'pav'}, 3545: 'cgi.'.$identifier.'.numberoffiles' => $#print_array, 3546: 'cgi.'.$identifier.'.studentnames' => $student_names, 3547: 'cgi.'.$identifier.'.backref' => &escape($URLback),}); 3548: &Apache::lonnet::appenv({"cgi.$identifier.user" => $env{'user.name'}, 3549: "cgi.$identifier.domain" => $env{'user.domain'}, 3550: "cgi.$identifier.courseid" => $cnum, 3551: "cgi.$identifier.coursedom" => $cdom, 3552: "cgi.$identifier.resources" => $resources_printed}); 3553: 3554: my $end_page = &Apache::loncommon::end_page(); 3555: my $continue_text = &mt('Continue'); 3556: # If there's been an unrecoverable SSI error, report it to the user 3557: if ($ssi_error) { 3558: my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk'); 3559: $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'. 3560: &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:'). 3561: '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error. 3562: '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'. 3563: &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.'). 3564: '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'. 3565: &mt('We apologize for the inconvenience.').'</p>'. 3566: '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page); 3567: } else { 3568: $r->print(<<FINALEND); 3569: <br /> 3570: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" /> 3571: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a> 3572: $end_page 3573: FINALEND 3574: } # endif ssi errors. 3575: } 3576: 3577: 3578: sub get_CODE { 3579: my ($all_codes,$num,$seed,$size,$type)=@_; 3580: my $max='1'.'0'x$size; 3581: my $newcode; 3582: while(1) { 3583: $newcode=sprintf("%0".$size."d",int(rand($max))); 3584: if (!exists($$all_codes{$newcode})) { 3585: $$all_codes{$newcode}=1; 3586: if ($type eq 'number' ) { 3587: return $newcode; 3588: } else { 3589: return &num_to_letters($newcode); 3590: } 3591: } 3592: } 3593: } 3594: 3595: sub print_resources { 3596: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header, 3597: $LaTeXwidth)=@_; 3598: my $current_output = ''; 3599: my $printed = ''; 3600: my ($username,$userdomain,$usersection) = split /:/,$person; 3601: my $fullname = &get_name($username,$userdomain); 3602: my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace. 3603: 3604: 3605: # 3606: # Figure out if we need to filter the output by 3607: # the incomplete problems for that person 3608: # 3609: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'}; 3610: my $print_incomplete = 0; 3611: if (($print_type eq 'map_incomplete_problems_people_seq') || 3612: ($print_type eq 'incomplete_problems_selpeople_course')) { 3613: $print_incomplete = 1; 3614: } 3615: if ($person eq 'anonymous') { 3616: $namepostfix .=&mt('Name:')." "; 3617: $fullname = "CODE - ".$moreenv->{'CODE'}; 3618: } 3619: 3620: # Fullname may have special latex characters that need \ prefixing: 3621: # 3622: 3623: my $i = 0; 3624: my $actually_printed = 0; # Count of resources printed. 3625: #goes through all resources, checks if they are available for 3626: #current student, and produces output 3627: 3628: &Apache::lonxml::clear_problem_counter(); 3629: my %page_breaks = &get_page_breaks($helper); 3630: my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1]; 3631: # 3632: # end each student with a 3633: # Special that allows the post processor to even out the page 3634: # counts later. Nasty problem this... it would be really 3635: # nice to put the special in as a postscript comment 3636: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately, 3637: # The special gets passed the \ and dvips puts it in the output file 3638: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the 3639: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself. 3640: # 3641: 3642: my $syllabus_first = 0; 3643: my $current_assignment = ""; 3644: my $assignment; 3645: my $courseidinfo = &get_course(); 3646: my $possprint = scalar(@{$master_seq}); 3647: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } 3648: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection} 3649: 3650: foreach my $curresline (@{$master_seq}) { 3651: if (defined $page_breaks{$curresline}) { 3652: if($i != 0) { 3653: $current_output.= "\\newpage\n"; 3654: } 3655: } 3656: $current_output .= &get_extra_vspaces($helper, $curresline); 3657: $i++; 3658: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline); 3659: 3660: # See if we need to emit a new header: 3661: 3662: if ( !($type eq 'problems' && 3663: ($curresline!~ m/$LONCAPA::assess_page_re/)) ) { 3664: if ($print_incomplete && !&incomplete($username, $userdomain, $res_url)) { 3665: next; 3666: } 3667: $actually_printed++; # we're going to print one. 3668: 3669: if (&Apache::lonnet::allowed('bre',$res_url)) { 3670: if ($res_url!~m|^ext/| 3671: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { 3672: $printed .= $curresline.':'; 3673: &Apache::lonxml::remember_problem_counter(); 3674: 3675: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv); 3676: if ($res_url =~ /\.page$/) { 3677: if ($remove_latex_header eq 'NO') { 3678: if (!($rendered =~ /\\begin\{document\}/)) { 3679: $rendered = &print_latex_header().$rendered; 3680: } 3681: } 3682: ; 3683: if ($remove_latex_header eq 'YES') { 3684: $rendered = &latex_header_footer_remove($rendered); 3685: } else { 3686: $rendered =~ s/\\end\{document}\d*//; 3687: } 3688: } 3689: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 3690: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 3691: # Use a copy of the hash so we don't pervert it on future loop passes. 3692: my %answerenv = %{$moreenv}; 3693: $answerenv{'answer_output_mode'}='tex'; 3694: 3695: 3696: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 3697: 3698: &Apache::lonxml::restore_problem_counter(); 3699: 3700: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv); 3701: 3702: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 3703: $rendered=~s/(\\keephidden\{ENDOFPROBLEM})/$ansrendered$1/; 3704: } else { 3705: 3706: 3707: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 3708: unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') { 3709: $header =~ s/\\begin\{document}//; #<<<<< 3710: } 3711: my $title = &Apache::lonnet::gettitle($curresline); 3712: $title = &Apache::lonxml::latex_special_symbols($title); 3713: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm '; 3714: $body .=&path_to_problem($res_url,$LaTeXwidth); 3715: $body .='\vskip 1 mm '.$ansrendered; 3716: $body = &encapsulate_minipage($body); 3717: $rendered = $header.$body; 3718: } 3719: } 3720: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 3721: my $url = &Apache::lonnet::clutter($res_url); 3722: my $annotation = &annotate($url); 3723: $rendered =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/; 3724: } 3725: my $junk; 3726: if ($remove_latex_header eq 'YES') { 3727: $rendered = &latex_header_footer_remove($rendered); 3728: } else { 3729: $rendered =~ s/\\end\{document}//; 3730: } 3731: $current_output .= $rendered; 3732: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 3733: if ($i == 1) { 3734: $syllabus_first = 1; 3735: } 3736: $printed .= $curresline.':'; 3737: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv); 3738: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 3739: my $url = &Apache::lonnet::clutter($res_url); 3740: my $annotation = &annotate($url); 3741: $annotation =~ s/(\\end\{document})/$annotation$1/; 3742: } 3743: if ($remove_latex_header eq 'YES') { 3744: $rendered = &latex_header_footer_remove($rendered); 3745: } else { 3746: $rendered =~ s/\\end\{document}//; 3747: } 3748: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut '; 3749: } elsif($res_url = ~/\.pdf$/) { 3750: my $url = &Apache::lonnet::clutter($res_url); 3751: my $rendered = &include_pdf($url); 3752: if ($remove_latex_header ne 'NO') { 3753: $rendered = &latex_header_footer_remove($rendered); 3754: } 3755: $current_output .= $rendered; 3756: } else { 3757: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline); 3758: if ($remove_latex_header ne 'NO') { 3759: $rendered = &latex_header_footer_remove($rendered); 3760: } else { 3761: $rendered =~ s/\\end\{document}//; 3762: } 3763: $current_output .= $rendered; 3764: } 3765: } 3766: $remove_latex_header = 'YES'; 3767: } 3768: $assignment = &Apache::lonxml::latex_special_symbols( 3769: &Apache::lonnet::gettitle($map), 'header'); 3770: if (($assignment ne $current_assignment) && ($assignment ne "")) { 3771: my $header_line = &format_page_header($LaTeXwidth, $parmhash{'print_header_format'}, 3772: $assignment, $courseidinfo, 3773: $fullname); 3774: my $header_start = ($columns_in_format == 1) ? '\lhead' 3775: : '\fancyhead[LO]'; 3776: $header_line = $header_start.'{'.$header_line.'}'; 3777: $current_output = $current_output . $header_line; 3778: $current_assignment = $assignment; 3779: } 3780: 3781: if (&Apache::loncommon::connection_aborted($r)) { last; } 3782: } 3783: # If we are printing incomplete it's possible we don't have 3784: # anything to print. The print subsystem is not so good at handling 3785: # that so we're going to generate a stub that says there are no 3786: # incomplete resources for the person. 3787: # 3788: 3789: if ($actually_printed == 0) { 3790: my $message = &mt('No resources to print'); 3791: if (!$possprint) { 3792: if ($perm{'pav'} || $perm{'pfo'}) { 3793: $message = &mt('There are no unhidden resources to print.')."\n\n". 3794: &mt('The most likely reason is one of the following: ')."\n". 3795: '\begin{itemize}'."\n". 3796: '\item '.&mt("The 'Resource hidden from students' parameter is set for the folder being printed.")."\n". 3797: '\item '.&mt("'Hidden' is checked in the Course Editor individually for each resource in the folder being printed.")."\n". 3798: '\end{itemize}'."\n\n". 3799: &mt("Note: to print a bubblesheet exam which you want to hide from students, ". 3800: "use the Course Editor to check the 'Hidden' checkbox for the exam folder itself.")."\n"; 3801: } 3802: } elsif ($print_incomplete) { 3803: $message = &mt('No incomplete resources'); 3804: } 3805: if ($message) { 3806: $current_output = &encapsulate_minipage("\\vskip -10mm \n$message\n \\vskip 100 mm { }\n"); 3807: } 3808: if ($remove_latex_header eq "NO") { 3809: $current_output = &print_latex_header() . $current_output; 3810: } else { 3811: $current_output = &latex_header_footer_remove($current_output); 3812: } 3813: } 3814: 3815: if ($syllabus_first) { 3816: $current_output =~ s/\\\\ Last updated:/Last updated:/ 3817: } 3818: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header'); 3819: my $header_line = 3820: &format_page_header($LaTeXwidth, $parmhash{'print_header_format'}, 3821: $currentassignment, $courseidinfo, $fullname); 3822: my $header_start = ($columns_in_format == 1) ? '\lhead' : '\fancyhead[LO]'; 3823: my $newheader = $header_start.'{'.$header_line.'}'; 3824: 3825: if ($current_output=~/\\documentclass/) { 3826: $current_output =~ s/\\begin\{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$newheader$namepostfix}\\vskip 5 mm /; 3827: } else { 3828: my $blankpages = 3829: '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'}; 3830: 3831: $current_output = '\strut\vspace*{-6 mm}\\newline'. 3832: &copyright_line().' \newpage '.$blankpages.$end_of_student. 3833: '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'. 3834: $newheader.$namepostfix. '} \vskip 5 mm '.$current_output; 3835: } 3836: # 3837: # Close the student bracketing. 3838: # 3839: return ($current_output,$fullname, $printed); 3840: 3841: } 3842: 3843: sub printing_blocked { 3844: my ($r,$blocktext) = @_; 3845: my $title = &mt('Preparing Printout'); 3846: &Apache::lonhtmlcommon::clear_breadcrumbs(); 3847: &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/printout', 3848: text=> $title}); 3849: my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs($title); 3850: &Apache::loncommon::content_type($r,'text/html'); 3851: &Apache::loncommon::no_cache($r); 3852: $r->send_http_header; 3853: $r->print(&Apache::loncommon::start_page('Preparing Printout'). 3854: $breadcrumbs. 3855: $blocktext. 3856: &Apache::loncommon::end_page()); 3857: return; 3858: } 3859: 3860: sub handler { 3861: 3862: my $r = shift; 3863: 3864: if ($env{'request.course.id'}) { 3865: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3866: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3867: my ($blocked,$blocktext) = 3868: &Apache::loncommon::blocking_status('printout',$cnum,$cdom); 3869: if ($blocked) { 3870: my $checkrole = "cm./$cdom/$cnum"; 3871: if ($env{'request.course.sec'} ne '') { 3872: $checkrole .= "/$env{'request.course.sec'}"; 3873: } 3874: unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) && 3875: ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) { 3876: &printing_blocked($r,$blocktext); 3877: return OK; 3878: } 3879: } 3880: } 3881: 3882: &init_perm(); 3883: my $helper = printHelper($r); 3884: if (!ref($helper)) { 3885: return $helper; 3886: } 3887: 3888: 3889: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'}); 3890: 3891: 3892: 3893: 3894: # If a figure conversion queue file exists for this user.domain 3895: # we delete it since it can only be bad (if it were good, printout.pl 3896: # would have deleted it the last time around. 3897: 3898: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat"; 3899: if(-e $conversion_queuefile) { 3900: unlink $conversion_queuefile; 3901: } 3902: 3903: 3904: &output_data($r,$helper,\%parmhash); 3905: return OK; 3906: } 3907: 3908: use Apache::lonhelper; 3909: 3910: sub addMessage { 3911: my $text = shift; 3912: my $paramHash = Apache::lonhelper::getParamHash(); 3913: $paramHash->{MESSAGE_TEXT} = $text; 3914: Apache::lonhelper::message->new(); 3915: } 3916: 3917: 3918: 3919: sub init_perm { 3920: undef(%perm); 3921: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'}); 3922: if (!$perm{'pav'}) { 3923: $perm{'pav'}=&Apache::lonnet::allowed('pav', 3924: $env{'request.course.id'}.'/'.$env{'request.course.sec'}); 3925: } 3926: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'}); 3927: if (!$perm{'pfo'}) { 3928: $perm{'pfo'}=&Apache::lonnet::allowed('pfo', 3929: $env{'request.course.id'}.'/'.$env{'request.course.sec'}); 3930: } 3931: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'}); 3932: if (!$perm{'vgr'}) { 3933: $perm{'vgr'}=&Apache::lonnet::allowed('vgr', 3934: $env{'request.course.id'}.'/'.$env{'request.course.sec'}); 3935: } 3936: } 3937: 3938: sub get_randomly_ordered_warning { 3939: my ($helper,$map) = @_; 3940: 3941: my $message; 3942: 3943: my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'}; 3944: my $navmap = Apache::lonnavmaps::navmap->new(); 3945: if (defined($navmap)) { 3946: my $res = $navmap->getResourceByUrl($map); 3947: if ($res) { 3948: my $func = 3949: sub { return ($_[0]->is_map() && $_[0]->randomorder); }; 3950: my @matches = $navmap->retrieveResources($res, $func,1,1,1); 3951: 3952: } 3953: } else { 3954: $message = "Retrieval of information about ordering of resources failed."; 3955: return '<message type="warning">'.$message.'</message>'; 3956: } 3957: return; 3958: } 3959: 3960: sub printHelper { 3961: my $r = shift; 3962: 3963: if ($r->header_only) { 3964: if ($env{'browser.mathml'}) { 3965: &Apache::loncommon::content_type($r,'text/xml'); 3966: } else { 3967: &Apache::loncommon::content_type($r,'text/html'); 3968: } 3969: $r->send_http_header; 3970: return OK; 3971: } 3972: 3973: # Send header, nocache 3974: if ($env{'browser.mathml'}) { 3975: &Apache::loncommon::content_type($r,'text/xml'); 3976: } else { 3977: &Apache::loncommon::content_type($r,'text/html'); 3978: } 3979: &Apache::loncommon::no_cache($r); 3980: $r->send_http_header; 3981: $r->rflush(); 3982: 3983: # Unfortunately, this helper is so complicated we have to 3984: # write it by hand 3985: 3986: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING}); 3987: 3988: my $helper = Apache::lonhelper::helper->new("Printing Helper"); 3989: $helper->declareVar('symb'); 3990: $helper->declareVar('postdata'); 3991: $helper->declareVar('curseed'); 3992: $helper->declareVar('probstatus'); 3993: $helper->declareVar('filename'); 3994: $helper->declareVar('construction'); 3995: $helper->declareVar('assignment'); 3996: $helper->declareVar('style_file'); 3997: $helper->declareVar('student_sort'); 3998: $helper->declareVar('FINISHPAGE'); 3999: $helper->declareVar('PRINT_TYPE'); 4000: $helper->declareVar("showallfoils"); 4001: $helper->declareVar("STUDENTS"); 4002: $helper->declareVar("EXTRASPACE"); 4003: 4004: 4005: 4006: 4007: # The page breaks and extra spaces 4008: # can get loaded initially from the course environment: 4009: # But we only do this in the initial state so that they are allowed to change. 4010: # 4011: 4012: 4013: &Apache::loncommon::restore_course_settings('print', 4014: {'pagebreaks' => 'scalar', 4015: 'extraspace' => 'scalar', 4016: 'extraspace_units' => 'scalar', 4017: 'lastprinttype' => 'scalar'}); 4018: 4019: # This will persistently load in the data we want from the 4020: # very first screen. 4021: 4022: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) { 4023: if (!defined ($env{"form.CURRENT_STATE"})) { 4024: 4025: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'}; 4026: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'}; 4027: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'}; 4028: } else { 4029: my $state = $env{"form.CURRENT_STATE"}; 4030: if ($state eq "START") { 4031: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'}; 4032: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'}; 4033: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'}; 4034: 4035: } 4036: } 4037: 4038: } 4039: 4040: # Detect whether we're coming from construction space 4041: if ($env{'form.postdata'}=~m{^/priv}) { 4042: $helper->{VARS}->{'filename'} = $env{'form.postdata'}; 4043: $helper->{VARS}->{'construction'} = 1; 4044: } else { 4045: if ($env{'form.postdata'}) { 4046: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'}); 4047: if ( $helper->{VARS}->{'symb'} eq '') { 4048: $helper->{VARS}->{'postdata'} = $env{'form.postdata'}; 4049: } 4050: } 4051: if ($env{'form.symb'}) { 4052: $helper->{VARS}->{'symb'} = $env{'form.symb'}; 4053: } 4054: if ($env{'form.url'}) { 4055: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'}); 4056: } 4057: 4058: } 4059: 4060: if ($env{'form.symb'}) { 4061: $helper->{VARS}->{'symb'} = $env{'form.symb'}; 4062: } 4063: if ($env{'form.url'}) { 4064: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'}); 4065: 4066: } 4067: $helper->{VARS}->{'symb'}= 4068: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'}); 4069: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper); 4070: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;} 4071: 4072: 4073: # Extract map 4074: my $symb = $helper->{VARS}->{'symb'}; 4075: my ($map, $id, $url); 4076: my $subdir; 4077: my $is_published=0; # True when printing from resource space. 4078: my $res_printable = 1; # By default the current resource is printable. 4079: my $userCanPrint = ($perm{'pav'} || $perm{'pfo'}); 4080: my $res_printstartdate; 4081: my $res_printenddate; 4082: my $map_open = 0; 4083: my $map_close = 0xffffffff; 4084: my $course_open = 0; 4085: my $course_close = 0xffffffff; 4086: 4087: # Get the resource name from construction space 4088: if ($helper->{VARS}->{'construction'}) { 4089: $resourceTitle = substr($helper->{VARS}->{'filename'}, 4090: rindex($helper->{VARS}->{'filename'}, '/')+1); 4091: $subdir = substr($helper->{VARS}->{'filename'}, 4092: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1); 4093: } else { 4094: # From course space: 4095: 4096: if ($symb ne '') { 4097: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb); 4098: $helper->{VARS}->{'postdata'} = 4099: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url)); 4100: my $navmap = Apache::lonnavmaps::navmap->new(); 4101: my $res = $navmap->getBySymb($symb); 4102: $res_printable = $res->resprintable() || $userCanPrint; #printability in course context 4103: ($res_printstartdate, $res_printenddate) = &get_print_dates($res); 4104: ($course_open, $course_close) = &course_print_dates($res); 4105: ($map_open, $map_close) = &map_print_dates($res); 4106: 4107: } else { 4108: # Resource space. 4109: 4110: $url = $helper->{VARS}->{'postdata'}; 4111: $is_published=1; # From resource space. 4112: } 4113: $url = &Apache::lonnet::clutter($url); 4114: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename 4115: my $postdata = $helper->{VARS}->{'postdata'}; 4116: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1); 4117: } 4118: $subdir = &Apache::lonnet::filelocation("", $url); 4119: 4120: 4121: } 4122: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) { 4123: $helper->{VARS}->{'curseed'}=$env{'form.curseed'}; 4124: } 4125: 4126: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) { 4127: $helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'}; 4128: } 4129: 4130: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser(); 4131: 4132: Apache::lonhelper::registerHelperTags(); 4133: 4134: # "Delete everything after the last slash." 4135: $subdir =~ s|/[^/]+$||; 4136: 4137: # What can be printed is a very dynamic decision based on 4138: # lots of factors. So we need to dynamically build this list. 4139: # To prevent security leaks, states are only added to the wizard 4140: # if they can be reached, which ensures manipulating the form input 4141: # won't allow anyone to reach states they shouldn't have permission 4142: # to reach. 4143: 4144: # printChoices is tracking the kind of printing the user can 4145: # do, and will be used in a choices construction later. 4146: # In the meantime we will be adding states and elements to 4147: # the helper by hand. 4148: my $printChoices = []; 4149: my $paramHash; 4150: 4151: # If there is a current resource and it is printable 4152: # Give that as a choice. 4153: 4154: if ($resourceTitle && $res_printable) { 4155: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE']; 4156: } 4157: 4158: # Useful filter strings 4159: 4160: my $isPrintable = ' && $res->resprintable()'; 4161: 4162: my $isProblem = '(($res->is_problem()||$res->contains_problem() ||$res->is_practice()))'; 4163: $isProblem .= $isPrintable unless $userCanPrint; 4164: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden; 4165: my $isProblemOrMap = '($res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())'; 4166: $isProblemOrMap .= $isPrintable unless $userCanPrint; 4167: my $isNotMap = '(!$res->is_sequence())'; 4168: $isNotMap .= $isPrintable unless $userCanPrint; 4169: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden; 4170: my $isMap = '$res->is_map()'; 4171: $isMap .= $isPrintable unless $userCanPrint; 4172: my $symbFilter = '$res->shown_symb() '; 4173: my $urlValue = '$res->link()'; 4174: 4175: $helper->declareVar('SEQUENCE'); 4176: 4177: # If we're in a sequence... 4178: 4179: my $start_new_option; 4180: if ($perm{'pav'}) { 4181: $start_new_option = 4182: "<option text='".&mt('Start new page[_1]before selected','<br />'). 4183: "' variable='FINISHPAGE' />". 4184: "<option text='".&mt('Extra space[_1]before selected','<br />'). 4185: "' variable='EXTRASPACE' type='text' />" . 4186: "<option " . 4187: "' variable='POSSIBLE_RESOURCES' type='hidden' />". 4188: "<option text='".&mt('Space units[_1]check for mm','<br />'). 4189: "' variable='EXTRASPACE_UNITS' type='checkbox' />" 4190: ; 4191: 4192: 4193: } 4194: 4195: # If not construction space user can print the components of a page: 4196: 4197: my $page_ispage; 4198: my $page_title; 4199: if (!$helper->{VARS}->{'construction'}) { 4200: my $varspostdata = $helper->{VARS}->{'postdata'}; 4201: my $varsassignment = $helper->{VARS}->{'assignment'}; 4202: my $page_navmap = Apache::lonnavmaps::navmap->new(); 4203: if (defined($page_navmap)) { 4204: my @page_resources = $page_navmap->retrieveResources($url); 4205: if(defined($page_resources[0])) { 4206: $page_ispage = $page_resources[0]->is_page(); 4207: $page_title = $page_resources[0]->title(); 4208: my $resourcesymb = $page_resources[0]->symb(); 4209: my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb); 4210: if ($page_ispage) { 4211: push @{$printChoices}, 4212: [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 4213: 'map_problems_in_page', 4214: 'CHOOSE_PROBLEMS_PAGE']; 4215: push @{$printChoices}, 4216: [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 4217: 'map_resources_in_page', 4218: 'CHOOSE_RESOURCES_PAGE']; 4219: } 4220: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE', 4221: 'Select Problem(s) to print', 4222: "multichoice='1' toponly='1' addstatus='1' closeallpages='1'", 4223: 'RESOURCES', 4224: 'PAGESIZE', 4225: $url, 4226: $isProblem, '', $symbFilter, 4227: $start_new_option); 4228: 4229: 4230: $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE', 4231: 'Select Resource(s) to print', 4232: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"', 4233: 'RESOURCES', 4234: 'PAGESIZE', 4235: $url, 4236: $isNotMap, '', $symbFilter, 4237: $start_new_option); 4238: 4239: 4240: 4241: 4242: 4243: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); 4244: 4245: } 4246: } 4247: } 4248: 4249: if (($helper->{'VAR'}->{'construction'} ne '1' ) && 4250: $helper->{VARS}->{'postdata'} && 4251: $helper->{VARS}->{'assignment'}) { 4252: 4253: # BZ 5209 - Print incomplete problems from sequence: 4254: # the exact form of this depends on whether or not we are privileged or a mere 4255: # plebe of s student: 4256: 4257: my $printSelector = 'map_incomplete_problems_seq'; 4258: my $nextState = 'CHOOSE_INCOMPLETE_SEQ'; 4259: my $textSuffix = ''; 4260: 4261: if ($userCanPrint) { 4262: $printSelector = 'map_incomplete_problems_people_seq'; 4263: $nextState = 'CHOOSE_INCOMPLETE_PEOPLE_SEQ'; 4264: $textSuffix = ' for selected students'; 4265: my $helperStates = 4266: &create_incomplete_folder_selstud_helper($helper, $map); 4267: &Apache::lonxml::xmlparse($r, 'helper', $helperStates); 4268: } else { 4269: if (&printable($map_open, $map_close)) { 4270: my $helperStates = &create_incomplete_folder_helper($helper, $map); # Create needed states for student. 4271: &Apache::lonxml::xmlparse($r, 'helper', $helperStates); 4272: } else { 4273: # TODO: Figure out how to break the news...this folder is not printable. 4274: } 4275: } 4276: 4277: if ($userCanPrint || &printable($map_open, $map_close)) { 4278: push(@{$printChoices}, 4279: [&mt('Selected [_1]Incomplete Problems[_2] from folder [_3]' . $textSuffix, 4280: '<b>', '</b>', 4281: '<b><i>'. $sequenceTitle . '</b></i>'), 4282: $printSelector, 4283: $nextState]); 4284: } 4285: # Allow problems from sequence 4286: if ($userCanPrint || &printable($map_open, $map_close)) { 4287: push @{$printChoices}, 4288: [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 4289: 'map_problems', 4290: 'CHOOSE_PROBLEMS']; 4291: # Allow all resources from sequence 4292: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 4293: 'map_problems_pages', 4294: 'CHOOSE_PROBLEMS_HTML']; 4295: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS', 4296: 'Select Problem(s) to print', 4297: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"', 4298: 'RESOURCES', 4299: 'PAGESIZE', 4300: $map, 4301: $isProblem, '', 4302: $symbFilter, 4303: $start_new_option); 4304: $helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML', 4305: 'Select Resource(s) to print', 4306: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"', 4307: 'RESOURCES', 4308: 'PAGESIZE', 4309: $map, 4310: $isNotMap, '', 4311: $symbFilter, 4312: $start_new_option); 4313: 4314: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); 4315: } else { 4316: # TODO: Figure out how to tell them the folder is not printable. 4317: } 4318: } 4319: # If the user has pfo (print for others) allow them to print all 4320: # problems and resources in the entire course, optionally for selected students 4321: my $post_data = $helper->{VARS}->{'postdata'}; 4322: 4323: if ($perm{'pfo'} && !$is_published && 4324: ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 4325: 4326: # BZ 5209 - incomplete problems from entire course: 4327: 4328: push(@{$printChoices}, 4329: [&mtn('Selected <b>Incomplete Problems</b> from <b>entire course</b> for selected people'), 4330: 'incomplete_problems_selpeople_course', 'INCOMPLETE_PROBLEMS_COURSE_RESOURCES']); 4331: my $helperFragment = &create_incomplete_course_helper($helper); # Create needed states. 4332: 4333: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); 4334: 4335: # Selected problems/resources from entire course: 4336: 4337: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS']; 4338: push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES']; 4339: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS']; 4340: my $suffixXml = <<ALL_PROBLEMS; 4341: <state name="STUDENTS1" title="Select People"> 4342: <message><b>Select sorting order of printout</b> </message> 4343: <choices variable='student_sort'> 4344: <choice computer='0'>Sort by section then student</choice> 4345: <choice computer='1'>Sort by students across sections.</choice> 4346: </choices> 4347: <message><br /><hr /><br /> </message> 4348: <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/> 4349: </state> 4350: ALL_PROBLEMS 4351: &Apache::lonxml::xmlparse($r, 'helper', 4352: &generate_resource_chooser('ALL_PROBLEMS', 4353: 'Select Problem(s) to print', 4354: 'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"', 4355: 'RESOURCES', 4356: 'PAGESIZE', 4357: '', 4358: $isProblemOrMap, $isNotMap, 4359: $symbFilter, 4360: $start_new_option) . 4361: &generate_resource_chooser('ALL_RESOURCES', 4362: 'Select Resource(s) to print', 4363: " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'", 4364: 'RESOURCES', 4365: 'PAGESIZE', 4366: '', 4367: $isNotMap,'',$symbFilter, 4368: $start_new_option) . 4369: &generate_resource_chooser('ALL_PROBLEMS_STUDENTS', 4370: 'Select Problem(s) to print', 4371: 'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"', 4372: 'RESOURCES', 4373: 'STUDENTS1', 4374: '', 4375: $isProblemOrMap,'' , $symbFilter, 4376: $start_new_option) . 4377: $suffixXml 4378: ); 4379: 4380: if ($helper->{VARS}->{'assignment'}) { 4381: 4382: # If we were looking at a page, allow a selection of problems from the page 4383: # either for selected students or for coded assignments. 4384: 4385: if ($page_ispage) { 4386: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]', 4387: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'), 4388: 'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE']; 4389: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]', 4390: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'), 4391: 'problems_for_anon_page', 'CHOOSE_ANON1_PAGE']; 4392: } 4393: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]', 4394: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 4395: 'problems_for_students', 'CHOOSE_STUDENTS']; 4396: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]', 4397: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 4398: 'problems_for_anon', 'CHOOSE_ANON1']; 4399: } 4400: 4401: my $randomly_ordered_warning = 4402: &get_randomly_ordered_warning($helper, $map); 4403: 4404: # resource_selector will hold a few states that: 4405: # - Allow resources to be selected for printing. 4406: # - Determine pagination between assignments. 4407: # - Determine how many assignments should be bundled into a single PDF. 4408: # TODO: 4409: # Probably good to do things like separate this up into several vars, each 4410: # with one state, and use REGEXPs at inclusion time to set state names 4411: # and next states for better mix and match capability 4412: # 4413: my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS', 4414: 'Select resources to print', 4415: 'multichoice="1" addstatus="1" closeallpages="1"', 4416: 'RESOURCES', 4417: 'PRINT_FORMATTING', 4418: $map, 4419: $isProblem, '', $symbFilter, 4420: $start_new_option); 4421: $resource_selector .= &generate_format_selector($helper, 4422: 'How should results be printed?', 4423: 'PRINT_FORMATTING'). 4424: &generate_resource_chooser('CHOOSE_STUDENTS_PAGE', 4425: 'Select Problem(s) to print', 4426: "multichoice='1' addstatus='1' closeallpages ='1'", 4427: 'RESOURCES', 4428: 'PRINT_FORMATTING', 4429: $url, 4430: $isProblem, '', $symbFilter, 4431: $start_new_option); 4432: 4433: 4434: # Generate student choosers. 4435: 4436: 4437: 4438: &Apache::lonxml::xmlparse($r, 'helper', 4439: &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE', 4440: 'student_sort', 4441: 'STUDENTS', 4442: 'CHOOSE_STUDENTS_PAGE')); 4443: &Apache::lonxml::xmlparse($r, 'helper', 4444: &generate_student_chooser('CHOOSE_STUDENTS', 4445: 'student_sort', 4446: 'STUDENTS', 4447: 'SELECT_PROBLEMS')); 4448: &Apache::lonxml::xmlparse($r, 'helper', $resource_selector); 4449: 4450: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 4451: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 4452: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum); 4453: my $namechoice='<choice></choice>'; 4454: foreach my $name (sort {uc($a) cmp uc($b)} @names) { 4455: if ($name =~ /^error: 2 /) { next; } 4456: if ($name =~ /^type\0/) { next; } 4457: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>'; 4458: } 4459: 4460: 4461: my %code_values; 4462: my %codes_to_print; 4463: foreach my $key (@names) { 4464: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum); 4465: foreach my $key (keys(%code_values)) { 4466: $codes_to_print{$key} = 1; 4467: } 4468: } 4469: 4470: my $code_selection; 4471: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) { 4472: my $choice = $code; 4473: if ($code =~ /^[A-Z]+$/) { # Alpha code 4474: $choice = &letters_to_num($code); 4475: } 4476: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]); 4477: } 4478: if (%codes_to_print) { 4479: $code_selection .=' 4480: <message><b>Choose single CODE from list:</b></message> 4481: <message></td><td></message> 4482: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0"> 4483: <choice></choice> 4484: <exec> 4485: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}}); 4486: </exec> 4487: </dropdown> 4488: <message></td></tr><tr><td></message> 4489: '.$/; 4490: 4491: } 4492: 4493: my @lines = &Apache::grades::get_scantronformat_file(); 4494: my $codechoice=''; 4495: foreach my $line (@lines) { 4496: my ($name,$description,$code_type,$code_length)= 4497: (split(/:/,$line))[0,1,2,4]; 4498: if ($code_length > 0 && 4499: $code_type =~/^(letter|number|-1)/) { 4500: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>'; 4501: } 4502: } 4503: if ($codechoice eq '') { 4504: $codechoice='<choice computer="default">Default</choice>'; 4505: } 4506: my $anon1 = &generate_code_selector($helper, 4507: 'CHOOSE_ANON1', 4508: 'SELECT_PROBLEMS', 4509: $codechoice, 4510: $code_selection, 4511: $namechoice) . $resource_selector; 4512: 4513: 4514: &Apache::lonxml::xmlparse($r, 'helper',$anon1); 4515: 4516: my $anon_page = &generate_code_selector($helper, 4517: 'CHOOSE_ANON1_PAGE', 4518: 'SELECT_PROBLEMS_PAGE', 4519: $codechoice, 4520: $code_selection, 4521: $namechoice) . 4522: &generate_resource_chooser('SELECT_PROBLEMS_PAGE', 4523: 'Select Problem(s) to print', 4524: "multichoice='1' addstatus='1' closeallpages ='1'", 4525: 'RESOURCES', 4526: 'PRINT_FORMATTING', 4527: $url, 4528: $isProblem, '', $symbFilter, 4529: $start_new_option); 4530: &Apache::lonxml::xmlparse($r, 'helper', $anon_page); 4531: 4532: 4533: if ($helper->{VARS}->{'assignment'}) { 4534: 4535: # Assignment printing: 4536: 4537: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3] for [_4]selected people[_5]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 'resources_for_students', 'CHOOSE_STUDENTS1']; 4538: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3] for [_4]CODEd assignments[_5]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 'resources_for_anon', 'CHOOSE_ANON2']; 4539: } 4540: 4541: 4542: $resource_selector=<<RESOURCE_SELECTOR; 4543: <state name="SELECT_RESOURCES" title="Select Resources"> 4544: $randomly_ordered_warning 4545: <nextstate>PRINT_FORMATTING</nextstate> 4546: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message> 4547: <resource variable="RESOURCES" multichoice="1" addstatus="1" 4548: closeallpages="1"> 4549: <filterfunc>return $isNotMap;</filterfunc> 4550: <mapurl>$map</mapurl> 4551: <valuefunc>return $symbFilter;</valuefunc> 4552: $start_new_option 4553: </resource> 4554: </state> 4555: RESOURCE_SELECTOR 4556: 4557: $resource_selector .= &generate_format_selector($helper, 4558: 'Format of the print job', 4559: 'PRINT_FORMATTING'); 4560: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1); 4561: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources"> 4562: <choices variable='student_sort'> 4563: <choice computer='0'>Sort by section then student</choice> 4564: <choice computer='1'>Sort by students across sections.</choice> 4565: </choices> 4566: <message><br /><hr /><br /></message> 4567: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" /> 4568: 4569: </state> 4570: $resource_selector 4571: CHOOSE_STUDENTS1 4572: 4573: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2); 4574: <state name="CHOOSE_ANON2" title="Select CODEd Assignments"> 4575: <nextstate>SELECT_RESOURCES</nextstate> 4576: <message><h4>Fill out one of the forms below</h4></message> 4577: <message><br /><hr /> <br /></message> 4578: <message><h3>Generate new CODEd Assignments</h3></message> 4579: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message> 4580: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1"> 4581: <validator> 4582: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) && 4583: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 4584: !\$helper->{'VARS'}{'SINGLE_CODE'} && 4585: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 4586: return "You need to specify the number of assignments to print"; 4587: } 4588: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) && 4589: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) { 4590: return 'Specifying number of codes to print and a specific code is not compatible'; 4591: } 4592: return undef; 4593: </validator> 4594: </string> 4595: <message></td></tr><tr><td></message> 4596: <message><b>Names to save the CODEs under for later:</b></message> 4597: <message></td><td></message> 4598: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" /> 4599: <message></td></tr><tr><td></message> 4600: <message><b>Bubblesheet type:</b></message> 4601: <message></td><td></message> 4602: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0"> 4603: $codechoice 4604: </dropdown> 4605: <message></td></tr><tr><td></table></message> 4606: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message> 4607: <message><tr><td><b>Enter a CODE to print:</b></td><td></message> 4608: <string variable="SINGLE_CODE" size="10"> 4609: <validator> 4610: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} && 4611: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 4612: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 4613: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'}, 4614: \$helper->{'VARS'}{'CODE_OPTION'}); 4615: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){ 4616: return 'Specifying a code name is incompatible specifying number of codes.'; 4617: } else { 4618: return undef; # Other forces control us. 4619: } 4620: </validator> 4621: </string> 4622: <message></td></tr><tr><td></message> 4623: $code_selection 4624: <message></td></tr></table></message> 4625: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message> 4626: <message><b>Select saved CODEs:</b></message> 4627: <message></td><td></message> 4628: <dropdown variable="REUSE_OLD_CODES"> 4629: $namechoice 4630: </dropdown> 4631: <message></td></tr></table></message> 4632: </state> 4633: $resource_selector 4634: CHOOSE_ANON2 4635: } 4636: 4637: # FIXME: That RE should come from a library somewhere. 4638: if (($perm{'pav'} 4639: && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/' 4640: && (defined($helper->{'VARS'}->{'construction'}) 4641: || 4642: (&Apache::lonnet::allowed('bre',$subdir) eq 'F' 4643: && 4644: $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/) 4645: )) 4646: && $helper->{VARS}->{'assignment'} eq "" 4647: ) { 4648: my $pretty_dir = &Apache::lonnet::hreflocation($subdir); 4649: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from current subdirectory [_3]','<b>','</b>','<b><i>'.$pretty_dir.'</i></b>','<b>','</b>'), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR']; 4650: my $xmlfrag = <<CHOOSE_FROM_SUBDIR; 4651: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print"> 4652: 4653: <files variable="FILES" multichoice='1'> 4654: <nextstate>PAGESIZE</nextstate> 4655: <filechoice>return '$subdir';</filechoice> 4656: CHOOSE_FROM_SUBDIR 4657: 4658: # this is broken up because I really want interpolation above, 4659: # and I really DON'T want it below 4660: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR'; 4661: <filefilter>return Apache::lonhelper::files::not_old_version($filename) && 4662: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/; 4663: </filefilter> 4664: </files> 4665: </state> 4666: CHOOSE_FROM_SUBDIR 4667: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 4668: } 4669: 4670: # Allow the user to select any sequence in the course, feed it to 4671: # another resource selector for that sequence 4672: if (!$helper->{VARS}->{'construction'} && !$is_published) { 4673: push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"), 4674: 'select_sequences', 'CHOOSE_SEQUENCE']; 4675: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'}; 4676: #Escape apostrophes and backslashes for Perl 4677: $escapedSequenceName =~ s/\\/\\\\/g; 4678: $escapedSequenceName =~ s/'/\\'/g; 4679: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE); 4680: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From"> 4681: <message>Select the sequence to print resources from:</message> 4682: <resource variable="SEQUENCE"> 4683: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate> 4684: <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc> 4685: <valuefunc>return $urlValue;</valuefunc> 4686: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0); 4687: </choicefunc> 4688: </resource> 4689: </state> 4690: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print"> 4691: <message>(mark desired resources then click "next" button) <br /></message> 4692: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1" 4693: closeallpages="1"> 4694: <nextstate>PAGESIZE</nextstate> 4695: <filterfunc>return $isNotMap</filterfunc> 4696: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl> 4697: <valuefunc>return $symbFilter;</valuefunc> 4698: $start_new_option 4699: </resource> 4700: </state> 4701: CHOOSE_FROM_ANY_SEQUENCE 4702: } 4703: 4704: # Generate the first state, to select which resources get printed. 4705: Apache::lonhelper::state->new("START", "Select Printing Options:"); 4706: if (!$res_printable) { 4707: my $now = time; 4708: my $shownprintstart = &Apache::lonlocal::locallocaltime($res_printstartdate); 4709: my $shownprintend = &Apache::lonlocal::locallocaltime($res_printenddate); 4710: my $noprintmsg; 4711: if (($res_printenddate) && ($res_printenddate < $now)) { 4712: $noprintmsg = &mt('Printing for current resource no longer available (ended: [_1])', 4713: $shownprintend); 4714: } else { 4715: if (($res_printstartdate) && ($res_printstartdate > $now)) { 4716: if (($res_printenddate) && ($res_printenddate > $now) && ($res_printenddate > $res_printstartdate)) { 4717: $noprintmsg = &mt('Printing for current resource is only possible between [_1] and [_2]', 4718: $shownprintstart,$shownprintend); 4719: } elsif (!$res_printenddate) { 4720: $noprintmsg = &mt('Printing for current resource will only be possible starting [_1]', 4721: $shownprintstart); 4722: } else { 4723: $noprintmsg = &mt('Printing for current resource is unavailable'); 4724: } 4725: } 4726: } 4727: 4728: if ($noprintmsg) { 4729: $paramHash = Apache::lonhelper::getParamHash(); 4730: $paramHash->{MESSAGE_TEXT} = 4731: '<p class="LC_info">'.$noprintmsg.'</p>'; 4732: Apache::lonhelper::message->new(); 4733: } 4734: } 4735: $paramHash = Apache::lonhelper::getParamHash(); 4736: $paramHash = Apache::lonhelper::getParamHash(); 4737: $paramHash->{MESSAGE_TEXT} = ""; 4738: Apache::lonhelper::message->new(); 4739: $paramHash = Apache::lonhelper::getParamHash(); 4740: $paramHash->{'variable'} = 'PRINT_TYPE'; 4741: $paramHash->{CHOICES} = $printChoices; 4742: Apache::lonhelper::choices->new(); 4743: 4744: my $startedTable = 0; # have we started an HTML table yet? (need 4745: # to close it later) 4746: 4747: if (($perm{'pav'} and $perm{'vgr'}) or 4748: ($helper->{VARS}->{'construction'} eq '1')) { 4749: &addMessage('<br />' 4750: .'<h3>'.&mt('Print Options').'</h3>' 4751: .&Apache::lonhtmlcommon::start_pick_box() 4752: .&Apache::lonhtmlcommon::row_title( 4753: '<label for="ANSWER_TYPE_forminput">' 4754: .&mt('Print Answers') 4755: .'</label>' 4756: ) 4757: ); 4758: $paramHash = Apache::lonhelper::getParamHash(); 4759: $paramHash->{'variable'} = 'ANSWER_TYPE'; 4760: $helper->declareVar('ANSWER_TYPE'); 4761: $paramHash->{CHOICES} = [ 4762: ['Without Answers', 'yes'], 4763: ['With Answers', 'no'], 4764: ['Only Answers', 'only'] 4765: ]; 4766: Apache::lonhelper::dropdown->new(); 4767: &addMessage(&Apache::lonhtmlcommon::row_closure()); 4768: $startedTable = 1; 4769: 4770: # 4771: # Select font size. 4772: # 4773: 4774: $helper->declareVar('fontsize'); 4775: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size'))); 4776: my $xmlfrag = << "FONT_SELECTION"; 4777: 4778: 4779: <dropdown variable='fontsize' multichoice='0', allowempty='0'> 4780: <defaultvalue> 4781: return 'normalsize'; 4782: </defaultvalue> 4783: <choice computer='tiny'>Tiny</choice> 4784: <choice computer='sub/superscriptsize'>Script Size</choice> 4785: <choice computer='footnotesize'>Footnote Size</choice> 4786: <choice computer='small'>Small</choice> 4787: <choice computer='normalsize'>Normal (default)</choice> 4788: <choice computer='large'>larger than normal</choice> 4789: <choice computer='Large'>Even larger than normal</choice> 4790: <choice computer='LARGE'>Still larger than normal</choice> 4791: <choice computer='huge'>huge font size</choice> 4792: <choice computer='Huge'>Largest possible size</choice> 4793: </dropdown> 4794: FONT_SELECTION 4795: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 4796: &addMessage(&Apache::lonhtmlcommon::row_closure(1)); 4797: } 4798: 4799: if ($perm{'pav'}) { 4800: if (!$startedTable) { 4801: addMessage("<hr width='33%' /><table><tr><td align='right'>". 4802: '<label for="LATEX_TYPE_forminput">'. 4803: &mt('LaTeX mode'). 4804: "</label>: </td><td>"); 4805: $startedTable = 1; 4806: } else { 4807: &addMessage(&Apache::lonhtmlcommon::row_title( 4808: '<label for="LATEX_TYPE_forminput">' 4809: .&mt('LaTeX mode') 4810: .'</label>' 4811: ) 4812: ); 4813: } 4814: $paramHash = Apache::lonhelper::getParamHash(); 4815: $paramHash->{'variable'} = 'LATEX_TYPE'; 4816: $helper->declareVar('LATEX_TYPE'); 4817: if ($helper->{VARS}->{'construction'} eq '1') { 4818: $paramHash->{CHOICES} = [ 4819: ['standard LaTeX mode', 'standard'], 4820: ['LaTeX batchmode', 'batchmode'], ]; 4821: } else { 4822: $paramHash->{CHOICES} = [ 4823: ['LaTeX batchmode', 'batchmode'], 4824: ['standard LaTeX mode', 'standard'] ]; 4825: } 4826: Apache::lonhelper::dropdown->new(); 4827: 4828: &addMessage(&Apache::lonhtmlcommon::row_closure() 4829: .&Apache::lonhtmlcommon::row_title( 4830: '<label for="TABLE_CONTENTS_forminput">' 4831: .&mt('Print Table of Contents') 4832: .'</label>' 4833: ) 4834: ); 4835: $paramHash = Apache::lonhelper::getParamHash(); 4836: $paramHash->{'variable'} = 'TABLE_CONTENTS'; 4837: $helper->declareVar('TABLE_CONTENTS'); 4838: $paramHash->{CHOICES} = [ 4839: ['No', 'no'], 4840: ['Yes', 'yes'] ]; 4841: Apache::lonhelper::dropdown->new(); 4842: &addMessage(&Apache::lonhtmlcommon::row_closure()); 4843: 4844: if (not $helper->{VARS}->{'construction'}) { 4845: &addMessage(&Apache::lonhtmlcommon::row_title( 4846: '<label for="TABLE_INDEX_forminput">' 4847: .&mt('Print Index') 4848: .'</label>' 4849: ) 4850: ); 4851: $paramHash = Apache::lonhelper::getParamHash(); 4852: $paramHash->{'variable'} = 'TABLE_INDEX'; 4853: $helper->declareVar('TABLE_INDEX'); 4854: $paramHash->{CHOICES} = [ 4855: ['No', 'no'], 4856: ['Yes', 'yes'] ]; 4857: Apache::lonhelper::dropdown->new(); 4858: &addMessage(&Apache::lonhtmlcommon::row_closure()); 4859: &addMessage(&Apache::lonhtmlcommon::row_title( 4860: '<label for="PRINT_DISCUSSIONS_forminput">' 4861: .&mt('Print Discussions') 4862: .'</label>' 4863: ) 4864: ); 4865: $paramHash = Apache::lonhelper::getParamHash(); 4866: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS'; 4867: $helper->declareVar('PRINT_DISCUSSIONS'); 4868: $paramHash->{CHOICES} = [ 4869: ['No', 'no'], 4870: ['Yes', 'yes'] ]; 4871: Apache::lonhelper::dropdown->new(); 4872: &addMessage(&Apache::lonhtmlcommon::row_closure()); 4873: 4874: # Prompt for printing annotations too. 4875: 4876: &addMessage(&Apache::lonhtmlcommon::row_title( 4877: '<label for="PRINT_ANNOTATIONS_forminput">' 4878: .&mt('Print Annotations') 4879: .'</label>' 4880: ) 4881: ); 4882: $paramHash = Apache::lonhelper::getParamHash(); 4883: $paramHash->{'variable'} = "PRINT_ANNOTATIONS"; 4884: $helper->declareVar("PRINT_ANNOTATIONS"); 4885: $paramHash->{CHOICES} = [ 4886: ['No', 'no'], 4887: ['Yes', 'yes']]; 4888: Apache::lonhelper::dropdown->new(); 4889: &addMessage(&Apache::lonhtmlcommon::row_closure()); 4890: 4891: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils'))); 4892: $paramHash = Apache::lonhelper::getParamHash(); 4893: $paramHash->{'multichoice'} = "true"; 4894: $paramHash->{'allowempty'} = "true"; 4895: $paramHash->{'variable'} = "showallfoils"; 4896: $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ]; 4897: Apache::lonhelper::choices->new(); 4898: &addMessage(&Apache::lonhtmlcommon::row_closure(1)); 4899: } 4900: 4901: if ($helper->{'VARS'}->{'construction'}) { 4902: my $stylevalue='$Apache::lonnet::env{"construct.style"}'; 4903: my $randseedtext=&mt("Use random seed"); 4904: my $stylefiletext=&mt("Use style file"); 4905: my $selectfiletext=&mt("Select style file"); 4906: 4907: my $xmlfrag .= '<message>' 4908: .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">' 4909: .$randseedtext 4910: .'</label>' 4911: ) 4912: .'</message> 4913: <string variable="curseed" size="15" maxlength="15"> 4914: <defaultvalue> 4915: return '.$helper->{VARS}->{'curseed'}.'; 4916: </defaultvalue>' 4917: .'</string>' 4918: .'<message>' 4919: .&Apache::lonhtmlcommon::row_closure() 4920: .&Apache::lonhtmlcommon::row_title('<label for="style_file">' 4921: .$stylefiletext 4922: .'</label>' 4923: ) 4924: .'</message> 4925: <string variable="style_file" size="40"> 4926: <defaultvalue> 4927: return '.$stylevalue.'; 4928: </defaultvalue> 4929: </string><message> ' 4930: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">| 4931: .$selectfiletext.'</a>' 4932: .&Apache::lonhtmlcommon::row_closure() 4933: .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils')) 4934: .'</message> 4935: <choices allowempty="1" multichoice="true" variable="showallfoils"> 4936: <choice computer="1"> </choice> 4937: </choices>' 4938: .'<message>' 4939: .&Apache::lonhtmlcommon::row_closure() 4940: .'</message>'; 4941: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 4942: 4943: 4944: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type'))); 4945: # 4946: # Initial value from construction space: 4947: # 4948: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) { 4949: $helper->{VARS}->{'probstatus'} = $env{'form.problemtype'}; # initial value 4950: } 4951: $xmlfrag = << "PROBTYPE"; 4952: <dropdown variable="probstatus" multichoice="0" allowempty="0"> 4953: <defaultvalue> 4954: return "$helper->{VARS}->{'probstatus'}"; 4955: </defaultvalue> 4956: <choice computer="problem">Homework Problem</choice> 4957: <choice computer="exam">Exam Problem</choice> 4958: <choice computer="survey">Survey question</choice> 4959: ,choice computer="anonsurvey"Anonymous survey question</choice> 4960: </dropdown> 4961: PROBTYPE 4962: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 4963: &addMessage(&Apache::lonhtmlcommon::row_closure(1)); 4964: 4965: 4966: 4967: } 4968: } 4969: 4970: 4971: 4972: 4973: if ($startedTable) { 4974: &addMessage(&Apache::lonhtmlcommon::end_pick_box()); 4975: } 4976: 4977: Apache::lonprintout::page_format_state->new("FORMAT"); 4978: 4979: # Generate the PAGESIZE state which will offer the user the margin 4980: # choices if they select one column 4981: Apache::lonhelper::state->new("PAGESIZE", "Set Margins"); 4982: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL'); 4983: 4984: 4985: $helper->process(); 4986: 4987: 4988: # MANUAL BAILOUT CONDITION: 4989: # If we're in the "final" state, bailout and return to handler 4990: if ($helper->{STATE} eq 'FINAL') { 4991: return $helper; 4992: } 4993: 4994: my $footer; 4995: if ($helper->{STATE} eq 'START') { 4996: my $prtspool=$r->dir_config('lonPrtDir'); 4997: $footer = &recently_generated($prtspool); 4998: } 4999: $r->print($helper->display($footer)); 5000: &Apache::lonhelper::unregisterHelperTags(); 5001: 5002: return OK; 5003: } 5004: 5005: 5006: 1; 5007: 5008: package Apache::lonprintout::page_format_state; 5009: 5010: =pod 5011: 5012: =head1 Helper element: page_format_state 5013: 5014: See lonhelper.pm documentation for discussion of the helper framework. 5015: 5016: Apache::lonprintout::page_format_state is an element that gives the 5017: user an opportunity to select the page layout they wish to print 5018: with: Number of columns, portrait/landscape, and paper size. If you 5019: want to change the paper size choices, change the @paperSize array 5020: contents in this package. 5021: 5022: page_format_state is always directly invoked in lonprintout.pm, so there 5023: is no tag interface. You actually pass parameters to the constructor. 5024: 5025: =over 4 5026: 5027: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 5028: 5029: =back 5030: 5031: =cut 5032: 5033: use Apache::lonhelper; 5034: 5035: no strict; 5036: @ISA = ("Apache::lonhelper::element"); 5037: use strict; 5038: use Apache::lonlocal; 5039: use Apache::lonnet; 5040: 5041: my $maxColumns = 2; 5042: # it'd be nice if these all worked 5043: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 5044: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]", 5045: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 5046: # "a5 [148x210 mm]", "a6 [105x148 mm]" ); 5047: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 5048: "a4 [210x297 mm]"); 5049: 5050: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum | 5051: # Paper type 5052: 5053: sub new { 5054: my $self = Apache::lonhelper::element->new(); 5055: 5056: shift; 5057: 5058: $self->{'variable'} = shift; 5059: my $helper = Apache::lonhelper::getHelper(); 5060: $helper->declareVar($self->{'variable'}); 5061: bless($self); 5062: return $self; 5063: } 5064: 5065: sub render { 5066: my $self = shift; 5067: my $helper = Apache::lonhelper::getHelper(); 5068: my $result = ''; 5069: my $var = $self->{'variable'}; 5070: my $PageLayout=&mt('Page layout'); 5071: my $NumberOfColumns=&mt('Number of columns'); 5072: my $PaperType=&mt('Paper type'); 5073: my $landscape=&mt('Landscape'); 5074: my $portrait=&mt('Portrait'); 5075: 5076: 5077: $result.='<h3>'.&mt('Layout Options').'</h3>' 5078: .&Apache::loncommon::start_data_table() 5079: .&Apache::loncommon::start_data_table_header_row() 5080: .'<th>'.$PageLayout.'</th>' 5081: .'<th>'.$NumberOfColumns.'</th>' 5082: .'<th>'.$PaperType.'</th>' 5083: .&Apache::loncommon::end_data_table_header_row() 5084: .&Apache::loncommon::start_data_table_row() 5085: .'<td>' 5086: .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />' 5087: .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>' 5088: .'</td>'; 5089: 5090: $result.='<td align="center">' 5091: .'<select name="'.${var}.'.cols">'; 5092: 5093: my $i; 5094: for ($i = 1; $i <= $maxColumns; $i++) { 5095: if ($i == 2) { 5096: $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n"; 5097: } else { 5098: $result .= '<option value="'.$i.'">'.$i.'</option>'."\n"; 5099: } 5100: } 5101: 5102: $result .= "</select></td><td>\n"; 5103: $result .= "<select name='${var}.paper'>\n"; 5104: 5105: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'}); 5106: my $DefaultPaperSize=lc($parmhash{'default_paper_size'}); 5107: $DefaultPaperSize=~s/\s//g; 5108: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';} 5109: $i = 0; 5110: foreach (@paperSize) { 5111: $_=~/(\w+)/; 5112: my $papersize=$1; 5113: if ($paperSize[$i]=~/$DefaultPaperSize/) { 5114: $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n"; 5115: } else { 5116: $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n"; 5117: } 5118: $i++; 5119: } 5120: $result .= <<HTML; 5121: </select> 5122: </td> 5123: HTML 5124: $result.=&Apache::loncommon::end_data_table_row() 5125: .&Apache::loncommon::end_data_table(); 5126: 5127: return $result; 5128: } 5129: 5130: sub postprocess { 5131: my $self = shift; 5132: 5133: my $var = $self->{'variable'}; 5134: my $helper = Apache::lonhelper->getHelper(); 5135: $helper->{VARS}->{$var} = 5136: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' . 5137: $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"}; 5138: return 1; 5139: } 5140: 5141: 1; 5142: 5143: package Apache::lonprintout::page_size_state; 5144: 5145: =pod 5146: 5147: =head1 Helper element: page_size_state 5148: 5149: See lonhelper.pm documentation for discussion of the helper framework. 5150: 5151: Apache::lonprintout::page_size_state is an element that gives the 5152: user the opportunity to further refine the page settings if they 5153: select a single-column page. 5154: 5155: page_size_state is always directly invoked in lonprintout.pm, so there 5156: is no tag interface. You actually pass parameters to the constructor. 5157: 5158: =over 4 5159: 5160: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 5161: 5162: =back 5163: 5164: =cut 5165: 5166: use Apache::lonhelper; 5167: use Apache::lonnet; 5168: no strict; 5169: @ISA = ("Apache::lonhelper::element"); 5170: use strict; 5171: 5172: 5173: 5174: sub new { 5175: my $self = Apache::lonhelper::element->new(); 5176: 5177: shift; # disturbs me (probably prevents subclassing) but works (drops 5178: # package descriptor)... - Jeremy 5179: 5180: $self->{'variable'} = shift; 5181: my $helper = Apache::lonhelper::getHelper(); 5182: $helper->declareVar($self->{'variable'}); 5183: 5184: # The variable name of the format element, so we can look into 5185: # $helper->{VARS} to figure out whether the columns are one or two 5186: $self->{'formatvar'} = shift; 5187: 5188: 5189: $self->{NEXTSTATE} = shift; 5190: bless($self); 5191: 5192: return $self; 5193: } 5194: 5195: sub render { 5196: my $self = shift; 5197: my $helper = Apache::lonhelper::getHelper(); 5198: my $result = ''; 5199: my $var = $self->{'variable'}; 5200: 5201: 5202: 5203: if (defined $self->{ERROR_MSG}) { 5204: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />'; 5205: } 5206: 5207: my $format = $helper->{VARS}->{$self->{'formatvar'}}; 5208: 5209: # Use format to get sensible defaults for the margins: 5210: 5211: 5212: my ($laystyle, $cols, $papersize) = split(/\|/, $format); 5213: ($papersize) = split(/ /, $papersize); 5214: 5215: $laystyle = &Apache::lonprintout::map_laystyle($laystyle); 5216: 5217: 5218: 5219: my %size; 5220: ($size{'width_and_units'}, 5221: $size{'height_and_units'}, 5222: $size{'margin_and_units'})= 5223: &Apache::lonprintout::page_format($papersize, $laystyle, $cols); 5224: 5225: foreach my $dimension ('width','height','margin') { 5226: ($size{$dimension},$size{$dimension.'_unit'}) = 5227: split(/ +/, $size{$dimension.'_and_units'},2); 5228: 5229: foreach my $unit ('cm','in') { 5230: $size{$dimension.'_options'} .= '<option '; 5231: if ($size{$dimension.'_unit'} eq $unit) { 5232: $size{$dimension.'_options'} .= 'selected="selected" '; 5233: } 5234: $size{$dimension.'_options'} .= '>'.$unit.'</option>'; 5235: } 5236: } 5237: 5238: # Adjust margin for LaTeX margin: .. requires units == cm or in. 5239: 5240: if ($size{'margin_unit'} eq 'in') { 5241: $size{'margin'} += 1; 5242: } else { 5243: $size{'margin'} += 2.54; 5244: } 5245: my %lt = &Apache::lonlocal::texthash( 5246: 'format' => 'How should each column be formatted?', 5247: 'width' => 'Width', 5248: 'height' => 'Height', 5249: 'margin' => 'Left Margin' 5250: ); 5251: 5252: $result .= '<p>'.$lt{'format'}.'</p>' 5253: .&Apache::lonhtmlcommon::start_pick_box() 5254: .&Apache::lonhtmlcommon::row_title($lt{'width'}) 5255: .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />' 5256: .'<select name="'.$var.'.widthunit">' 5257: .$size{'width_options'} 5258: .'</select>' 5259: .&Apache::lonhtmlcommon::row_closure() 5260: .&Apache::lonhtmlcommon::row_title($lt{'height'}) 5261: .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />' 5262: .'<select name="'.$var.'.heightunit">' 5263: .$size{'height_options'} 5264: .'</select>' 5265: .&Apache::lonhtmlcommon::row_closure() 5266: .&Apache::lonhtmlcommon::row_title($lt{'margin'}) 5267: .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />' 5268: .'<select name="'.$var.'.lmarginunit">' 5269: .$size{'margin_options'} 5270: .'</select>' 5271: .&Apache::lonhtmlcommon::row_closure(1) 5272: .&Apache::lonhtmlcommon::end_pick_box(); 5273: # <p>Hint: Some instructors like to leave scratch space for the student by 5274: # making the width much smaller than the width of the page.</p> 5275: 5276: return $result; 5277: } 5278: 5279: 5280: sub preprocess { 5281: my $self = shift; 5282: my $helper = Apache::lonhelper::getHelper(); 5283: 5284: my $format = $helper->{VARS}->{$self->{'formatvar'}}; 5285: 5286: # If the user does not have 'pav' privilege, set default widths and 5287: # on to the next state right away. 5288: # 5289: if (!$perm{'pav'}) { 5290: my $var = $self->{'variable'}; 5291: my $format = $helper->{VARS}->{$self->{'formatvar'}}; 5292: 5293: my ($laystyle, $cols, $papersize) = split(/\|/, $format); 5294: ($papersize) = split(/ /, $papersize); 5295: 5296: 5297: $laystyle = &Apache::lonprintout::map_laystyle($laystyle); 5298: 5299: # Figure out some good defaults for the print out and set them: 5300: 5301: my %size; 5302: ($size{'width'}, 5303: $size{'height'}, 5304: $size{'lmargin'})= 5305: &Apache::lonprintout::page_format($papersize, $laystyle, $cols); 5306: 5307: foreach my $dim ('width', 'height', 'lmargin') { 5308: my ($value, $units) = split(/ /, $size{$dim}); 5309: 5310: $helper->{VARS}->{"$var.".$dim} = $value; 5311: $helper->{VARS}->{"$var.".$dim.'unit'} = $units; 5312: 5313: } 5314: 5315: 5316: # Transition to the next state 5317: 5318: $helper->changeState($self->{NEXTSTATE}); 5319: } 5320: 5321: return 1; 5322: } 5323: 5324: sub postprocess { 5325: my $self = shift; 5326: 5327: my $var = $self->{'variable'}; 5328: my $helper = Apache::lonhelper->getHelper(); 5329: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 5330: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 5331: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 5332: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 5333: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 5334: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 5335: 5336: my $error = ''; 5337: 5338: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 5339: # by an optional period, followed by digits, ending the string 5340: 5341: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) { 5342: $error .= "Invalid width; please type only a number.<br />\n"; 5343: } 5344: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) { 5345: $error .= "Invalid height; please type only a number.<br />\n"; 5346: } 5347: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) { 5348: $error .= "Invalid left margin; please type only a number.<br />\n"; 5349: } else { 5350: # Adjust for LaTeX 1.0 inch margin: 5351: 5352: if ($env{"form.${var}.lmarginunit"} eq "in") { 5353: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1; 5354: } else { 5355: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54; 5356: } 5357: } 5358: 5359: if (!$error) { 5360: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE}); 5361: return 1; 5362: } else { 5363: $self->{ERROR_MSG} = $error; 5364: return 0; 5365: } 5366: } 5367: 5368: __END__ 5369: