loncom/interface/lonprintout.pm - view

File: [LON-CAPA] / loncom / interface / lonprintout.pm
Revision 1.575.2.2: download - view: text, annotated - select for diffs
Tue May 11 11:10:19 2010 UTC (14 years ago) by foxr
Branches: PRINT_INCOMPLETE
Diff to branchpoint 1.575: preferred, unified

Building the helper states modularly.

1: # 2: # The LearningOnline Network 3: # Printout 4: # 5: # $Id: lonprintout.pm,v 1.575.2.2 2010/05/11 11:10:19 foxr Exp $ 6: # 7: # Copyright Michigan State University Board of Trustees 8: # 9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 10: # 11: # LON-CAPA is free software; you can redistribute it and/or modify 12: # it under the terms of the GNU General Public License as published by 13: # the Free Software Foundation; either version 2 of the License, or 14: # (at your option) any later version. 15: # 16: # LON-CAPA is distributed in the hope that it will be useful, 17: # but WITHOUT ANY WARRANTY; without even the implied warranty of 18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19: # GNU General Public License for more details. 20: # 21: # You should have received a copy of the GNU General Public License 22: # along with LON-CAPA; if not, write to the Free Software 23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 24: # 25: # /home/httpd/html/adm/gpl.txt 26: # http://www.lon-capa.org/ 27: # 28: # 29: package Apache::lonprintout; 30: use strict; 31: use Apache::Constants qw(:common :http); 32: use Apache::lonxml; 33: use Apache::lonnet; 34: use Apache::loncommon; 35: use Apache::inputtags; 36: use Apache::grades; 37: use Apache::edit; 38: use Apache::File(); 39: use Apache::lonnavmaps; 40: use Apache::admannotations; 41: use Apache::lonenc; 42: use Apache::entities; 43: use Apache::londefdef; 44: 45: use File::Basename; 46: 47: use HTTP::Response; 48: 49: use LONCAPA::map(); 50: use POSIX qw(strftime); 51: use Apache::lonlocal; 52: use Carp; 53: use LONCAPA; 54: 55: my %perm; 56: my %parmhash; 57: my $resources_printed; 58: 59: # Global variables that describe errors in ssi calls detected by ssi_with_retries. 60: # 61: 62: my $ssi_error; # True if there was an ssi error. 63: my $ssi_last_error_resource; # The resource URI that could not be fetched. 64: my $ssi_last_error 65: ; # The error text from the server. (e.g. 500 Server timed out). 66: 67: # 68: # Our ssi max retry count. 69: # 70: 71: my $ssi_retry_count = 5; # Some arbitrary value. 72: 73: # Font size: 74: 75: my $font_size = 'normalsize'; # Default is normalsize... 76: 77: # 78: # Useful filters that will be filled in by printHelper. 79: # These are put here to support modularizing helpers into 80: # less of a helper soup than it was originally: 81: # These can't be filled in here as there's some conditionalization 82: # involved. 83: # 84: 85: my $isProblem; 86: my $isProblemOrMap; 87: my $isNotMap; 88: my $isMap; 89: my $symbFilter; 90: 91: #---------------------------- Helper helpers. ------------------------- 92: 93: 94: # Returns the text needd for a student chooser. 95: # that text must still be parsed by the helper xml parser. 96: # Parameters: 97: # this_state - State name of the chooser. 98: # sort_choice - variable to hold the sorting choice. 99: # variable - Name of variable to hold students. 100: # next_state - State after chooser. 101: 102: sub generate_student_chooser { 103: my ( $this_state, $sort_choice, $variable, $next_state ) = @_; 104: my $result = <<CHOOSE_STUDENTS; 105: <state name="$this_state" title="Select Students and Resources"> 106: <message><b>Select sorting order of printout</b> </message> 107: 108: <choices variable="$sort_choice"> 109: <choice computer='0'>Sort by section then student</choice> 110: <choice computer='1'>Sort by students across sections.</choice> 111: </choices> 112: 113: <message><br /><hr /><br /> </message> 114: <student multichoice='1' 115: variable="$variable" 116: nextstate="$next_state" 117: coursepersonnel="1" /> 118: </state> 119: 120: CHOOSE_STUDENTS 121: 122: return $result; 123: } 124: 125: # Generate the text needed for a resource chooser given the top level of 126: # the sequence/page 127: # 128: # Parameters: 129: # this_state - State name of the chooser. 130: # prompt_text - Text to use to prompt user. 131: # resource_options - Resource tag options e.g. 132: # "multichoice='1', toponly='1', addstatus='1'" 133: # that control the selection and appearance of the 134: # resource selector. 135: # variable - Name of the variable to hold the choice 136: # next_state - Name of the next state the helper should transition 137: # to 138: # top_url - Top level URL within which to make the selector. 139: # If empty the top level sequence is shown. 140: # filter - How to filter the resources. 141: # value_func - <valuefunc> function. 142: # choice_func - If not empty generates a <choicefunc> with this function. 143: # start_new_option 144: # - Fragment appended after valuefunc. 145: # 146: # 147: sub generate_resource_chooser { 148: my ( 149: $this_state, $prompt_text, $resource_options, 150: $variable, $next_state, $top_url, 151: $filter, $choice_func, $value_func, 152: $start_new_option 153: ) = @_; 154: 155: my $result = <<CHOOSE_RESOURCES; 156: <state name="$this_state" title="$prompt_text"> 157: <resource variable="$variable" $resource_options 158: closeallpages="1"> 159: <nextstate>$next_state</nextstate> 160: <filterfunc>return $filter;</filterfunc> 161: CHOOSE_RESOURCES 162: if ( $choice_func ne '' ) { 163: $result .= "<choicefunc>return $choice_func;</choicefunc>"; 164: } 165: if ( $top_url ne '' ) { 166: $result .= "<mapurl>$top_url</mapurl>"; 167: } 168: $result .= <<CHOOSE_RESOURCES; 169: <valuefunc>return $value_func;</valuefunc> 170: $start_new_option 171: </resource> 172: </state> 173: CHOOSE_RESOURCES 174: 175: return $result; 176: } 177: 178: # 179: # Generate the helper XML for a code choice helper dialog: 180: # 181: # Paramters: 182: # $helper - Reference to the helper. 183: # $state - Name of the state for the chooser. 184: # $next_state - Name fo the state to follow the chooser. 185: # $bubble_types - Populates the bubble sheet type dropt down. 186: # $code_selections - Provides set of code choices that have been used 187: # $saved_codes - Provides the list of saved codes. 188: # 189: # Returns; 190: # The Xml of the code chooser. 191: # 192: sub generate_code_selector { 193: my ( $helper, $state, $next_state, $bubble_types, $code_selections, 194: $saved_codes ) 195: = @_; # Unpack the parameters. 196: 197: my $result = <<CHOOSE_ANON1; 198: <state name="$state" title="Specify CODEd Assignments"> 199: <nextstate>$next_state</nextstate> 200: <message><h4>Fill out one of the forms below</h4></message> 201: <message><br /><hr /> <br /></message> 202: <message><h3>Generate new CODEd Assignments</h3></message> 203: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message> 204: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"> 205: <validator> 206: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) && 207: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 208: !\$helper->{'VARS'}{'SINGLE_CODE'} && 209: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 210: return "You need to specify the number of assignments to print"; 211: } 212: return undef; 213: </validator> 214: </string> 215: <message></td></tr><tr><td></message> 216: <message><b>Names to save the CODEs under for later:</b></message> 217: <message></td><td></message> 218: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" /> 219: <message></td></tr><tr><td></message> 220: <message><b>Bubble sheet type:</b></message> 221: <message></td><td></message> 222: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0"> 223: $bubble_types 224: </dropdown> 225: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message> 226: <message></td></tr><tr><td></table></message> 227: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message> 228: <message><tr><td><b>Enter a CODE to print:</b></td><td></message> 229: <string variable="SINGLE_CODE" size="10"> 230: <validator> 231: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} && 232: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 233: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 234: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'}, 235: \$helper->{'VARS'}{'CODE_OPTION'}); 236: } else { 237: return undef; # Other forces control us. 238: } 239: </validator> 240: </string> 241: <message></td></tr><tr><td></message> 242: $code_selections 243: <message></td></tr></table></message> 244: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message> 245: <message><b>Select saved CODEs:</b></message> 246: <message></td><td></message> 247: <dropdown variable="REUSE_OLD_CODES"> 248: $saved_codes 249: </dropdown> 250: <message></td></tr></table></message> 251: </state> 252: CHOOSE_ANON1 253: 254: return $result; 255: } 256: 257: # Returns the XML for the states associated with choosing incomplete problems 258: # for selected students: 259: # Paramterss: 260: # helper - reference to the helper. 261: # map - Map within which to generate the selector. 262: # base_state - The first/base state of the helper subsegment. 263: # 264: # 265: # 266: # States we will use: 267: # $base_state - Selects resources. 268: # $base_state.WHO - Selects the people to display. 269: # $base_state.FORMAT - Selects the final print format etc. 270: # 271: 272: sub generate_incomplete_states { 273: my ($helper, $map, $base_state) = @_; 274: my $result = ''; 275: 276: $result .= &generate_resource_chooser( 277: $base_state, 278: 'Select Problem(s) to print.', 279: "multichoice='1' addstatus='1'", 280: 'RESOURCES', 281: $base_state.'WHO', 282: '', 283: '$res->is_incomplete()' 284: ); 285: $result .= &generate_student_chooser( 286: $base_state.'WHO', 287: 'student_sort', 288: 'STUDENTS', 289: $base_state.'FORMAT'); 290: return $result; 291: } 292: 293: #----------------------------------------------------------------------- 294: 295: # Fetch the contents of a resource, uninterpreted. 296: # This is used here to fetch a latex file to be included 297: # verbatim into the printout< 298: # NOTE: Ask Guy if there is a lonnet function similar to this? 299: # 300: # Parameters: 301: # URL of the file 302: # 303: sub fetch_raw_resource { 304: my ($url) = @_; 305: 306: my $filename = &Apache::lonnet::filelocation( "", $url ); 307: my $contents = &Apache::lonnet::getfile($filename); 308: 309: if ( $contents == -1 ) { 310: return "File open failed for $filename"; # This will bomb the print. 311: } 312: return $contents; 313: 314: } 315: 316: # Fetch the annotations associated with a URL and 317: # put a centered 'annotations:' title. 318: # This is all suppressed if the annotations are empty. 319: # 320: sub annotate { 321: my ($symb) = @_; 322: 323: my $annotation_text = &Apache::loncommon::get_annotation( $symb, 1 ); 324: 325: my $result = ""; 326: 327: if ( length($annotation_text) > 0 ) { 328: $result .= 329: '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ '; 330: $result .= "\n"; 331: $result .= 332: &Apache::lonxml::latex_special_symbols( $annotation_text, "" ) 333: ; # Escape latex. 334: $result .= "\n\n"; 335: } 336: return $result; 337: } 338: 339: # 340: # Set a global document font size: 341: # This is done by replacing \begin{document} 342: # with \begin{document}{\some-font-directive 343: # and \end{document} with 344: # }\end{document 345: # 346: sub set_font_size { 347: 348: my ($text) = @_; 349: 350: # There appear to be cases where the font directive is empty.. in which 351: # case the first substituion would insert a spurious \ oh happy day. 352: # as this has been the cause of much mystery and hair pulling _sigh_ 353: 354: if ( $font_size ne '' ) { 355: 356: $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/; 357: } 358: $text =~ s/\\end{document}/}\\end{document}/; 359: return $text; 360: 361: } 362: 363: # include_pdf - PDF files are included into the 364: # output as follows: 365: # - The PDF, if necessary, is replicated. 366: # - The PDF is added to the list of files to convert to postscript (along with the images). 367: # - The LaTeX is added to include the final converted postscript in the file as an included 368: # job. The assumption is that the includedpsheader.ps header will be included. 369: # 370: # Parameters: 371: # pdf_uri - URI of the PDF file to include. 372: # 373: # Returns: 374: # The LaTeX to include. 375: # 376: # Assumptions: 377: # The uri is actually a PDF file 378: # The postscript will have the includepsheader.ps included. 379: # 380: # 381: sub include_pdf { 382: my ($pdf_uri) = @_; 383: 384: # Where is the file? If not local we'll need to repcopy it:' 385: 386: my $file = &Apache::lonnet::filelocation( '', $pdf_uri ); 387: if ( !-e $file ) { 388: &Apache::lonnet::repcopy($file); 389: $file = &Apache::lonnet::filelocation( '', $pdf_uri ); 390: } 391: 392: # The file isn ow replicated locally.. or it did not exist in the first place 393: # (unlikely). If it did exist, add the pdf to the set of files/images that 394: # need tob e converted for this print job: 395: 396: $file =~ s|(.*)/res/|/home/httpd/html/res/|; 397: 398: open( FILE, 399: ">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat" 400: ); 401: print FILE ("$file\n"); 402: close(FILE); 403: 404: # Construct the special to put out. To do this we need to get the 405: # resulting filename after conversion. The file will have the same name 406: # but will be in the user's spool directory with converted images. 407: 408: my $dirname = "/home/httpd/prtspool/$env{'user.name'}/"; 409: my ( $base, $path, $ext ) = &fileparse( $file, '.pdf' ); 410: 411: # my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl 412: $base =~ s/ /\_/g; 413: 414: my $output = &print_latex_header(); 415: $output .= 416: '\special{ps: _begin_job_ (' . $base . '.pdf.eps' . ')run _end_job_}'; 417: 418: return $output; 419: 420: } 421: 422: # 423: # ssi_with_retries- Does the server side include of a resource. 424: # if the ssi call returns an error we'll retry it up to 425: # the number of times requested by the caller. 426: # If we still have a proble, no text is appended to the 427: # output and we set some global variables. 428: # to indicate to the caller an SSI error occurred. 429: # All of this is supposed to deal with the issues described 430: # in LonCAPA BZ 5631 see: 431: # http://bugs.lon-capa.org/show_bug.cgi?id=5631 432: # by informing the user that this happened. 433: # 434: # Parameters: 435: # resource - The resource to include. This is passed directly, without 436: # interpretation to lonnet::ssi. 437: # form - The form hash parameters that guide the interpretation of the resource 438: # 439: # retries - Number of retries allowed before giving up completely. 440: # Returns: 441: # On success, returns the rendered resource identified by the resource parameter. 442: # Side Effects: 443: # The following global variables can be set: 444: # ssi_error - If an unrecoverable error occurred this becomes true. 445: # It is up to the caller to initialize this to false 446: # if desired. 447: # ssi_last_error_resource - If an unrecoverable error occurred, this is the value 448: # of the resource that could not be rendered by the ssi 449: # call. 450: # ssi_last_error - The error string fetched from the ssi response 451: # in the event of an error. 452: # 453: sub ssi_with_retries { 454: my ( $resource, $retries, %form ) = @_; 455: 456: my $target = $form{'grade_target'}; 457: my $aom = $form{'answer_output_mode'}; 458: 459: my ( $content, $response ) = 460: &Apache::loncommon::ssi_with_retries( $resource, $retries, %form ); 461: if ( !$response->is_success ) { 462: $ssi_error = 1; 463: $ssi_last_error_resource = $resource; 464: $ssi_last_error = $response->code . " " . $response->message; 465: $content = '\section*{!!! An error occurred !!!}'; 466: &Apache::lonnet::logthis( 467: "Error in SSI resource: $resource Error: $ssi_last_error"); 468: } 469: 470: return $content; 471: 472: } 473: 474: sub get_student_view_with_retries { 475: my ( 476: $curresline, $retries, $username, $userdomain, 477: $courseid, $target, $moreenv 478: ) = @_; 479: 480: my ( $content, $response ) = 481: &Apache::loncommon::get_student_view_with_retries( 482: $curresline, $retries, $username, $userdomain, 483: $courseid, $target, $moreenv 484: ); 485: if ( !$response->is_success ) { 486: $ssi_error = 1; 487: $ssi_last_error_resource = 488: $curresline . ' for user ' . $username . ':' . $userdomain; 489: $ssi_last_error = $response->code . " " . $response->message; 490: $content = '\section*{!!! An error occurred !!!}'; 491: &Apache::lonnet::logthis( 492: "Error in SSI (student view) resource: $curresline Error: $ssi_last_error User: $username:$userdomain" 493: ); 494: } 495: return $content; 496: 497: } 498: 499: # 500: # printf_style_subst item format_string repl 501: # 502: # Does printf style substitution for a format string that 503: # can have %[n]item in it.. wherever, %[n]item occurs, 504: # rep is substituted in format_string. Note that 505: # [n] is an optional integer length. If provided, 506: # repl is truncated to at most [n] characters prior to 507: # substitution. 508: # 509: sub printf_style_subst { 510: my ( $item, $format_string, $repl ) = @_; 511: my $result = ""; 512: while ( $format_string =~ /(%)(\d*)\Q$item\E/g ) { 513: my $fmt = $1; 514: my $size = $2; 515: my $subst = $repl; 516: if ( $size ne "" ) { 517: $subst = substr( $subst, 0, $size ); 518: 519: # Here's a nice edge case.. supose the end of the 520: # substring is a \. In that case may have just 521: # chopped off a TeX escape... in that case, we append 522: # " " for the trailing character, and let the field 523: # spill over a bit (sigh). 524: # We don't just chop off the last character in order to deal 525: # with one last pathology, and that would be if substr had 526: # trimmed us to e.g. \\\ 527: 528: if ( $subst =~ /\\$/ ) { 529: $subst .= " "; 530: } 531: } 532: my $item_pos = pos($format_string); 533: $result .= 534: substr( $format_string, 0, $item_pos - length($size) - 2 ) . $subst; 535: $format_string = substr( $format_string, pos($format_string) ); 536: } 537: 538: # Put the residual format string into the result: 539: 540: $result .= $format_string; 541: 542: return $result; 543: } 544: 545: # Format a header according to a format. 546: # 547: 548: # Substitutions: 549: # %a - Assignment name. 550: # %c - Course name. 551: # %n - Student name. 552: # %s - The section if it is supplied. 553: # 554: sub format_page_header { 555: my ( $width, $format, $assignment, $course, $student, $section ) = @_; 556: 557: $width = &recalcto_mm($width); # Get width in mm. 558: my $chars_per_line = int( $width / 1.6 ); # Character/textline. 559: 560: # Default format? 561: 562: if ( $format eq '' ) { 563: 564: # For the default format, we may need to truncate 565: # elements.. To do this we need to get the page width. 566: # we assume that each character is about 2mm in width. 567: # (correct for the header text size??). We ignore 568: # any formatting (e.g. boldfacing in this). 569: # 570: # - Allow the student/course to be one line. 571: # but only truncate the course. 572: # - Allow the assignment to be 2 lines (wrapped). 573: # 574: 575: my $name_length = int( $chars_per_line * 3 / 4 ); 576: my $sec_length = int( $chars_per_line / 5 ); 577: 578: $format = "%$name_length" . 'n'; 579: 580: if ($section) { 581: $format .= ' - Sec: ' . "%$sec_length" . 's'; 582: } 583: 584: $format .= '\\\\%c \\\\ %a'; 585: 586: } 587: 588: # An open question is how to handle long user formatted page headers... 589: # A possible future is to support e.g. %na so that the user can control 590: # the truncation of the elements that can appear in the header. 591: # 592: $format = &printf_style_subst( "a", $format, $assignment ); 593: $format = &printf_style_subst( "c", $format, $course ); 594: $format = &printf_style_subst( "n", $format, $student ); 595: $format = &printf_style_subst( "s", $format, $section ); 596: 597: # If the user put %'s in the format string, they must be escaped 598: # to \% else LaTeX will think they are comments and terminate 599: # the line.. which is bad!!! 600: 601: # If the user has role author, $course and $assignment are empty so 602: # there is '\\ \\ ' in the page header. That's cause a error in LaTeX 603: if ( $format =~ /\\\\\s\\\\\s/ ) { 604: 605: #TODO find sensible caption for page header 606: my $testPrintout = 607: '\\\\' . &mt('Construction Space') . ' \\\\' . &mt('Test-Printout '); 608: $format =~ s/\\\\\s\\\\\s/$testPrintout/; 609: } 610: 611: # 612: # We're going to trust LaTeX to break lines appropriately, but 613: # we'll truncate anything that's more than 3 lines worth of 614: # text. This is also assuming (which will probably end badly) 615: # nobody's going to embed LaTeX control sequences in the title 616: # header or rather that those control sequences won't get broken 617: # by the stuff below. 618: # 619: my $total_length = 3 * $chars_per_line; 620: if ( length($format) > $total_length ) { 621: $format = substr( $format, 0, $total_length ); 622: } 623: 624: return $format; 625: 626: } 627: 628: # 629: # Convert a numeric code to letters 630: # 631: sub num_to_letters { 632: my ($num) = @_; 633: my @nums = split( '', $num ); 634: my @num_to_let = ( 'A' .. 'Z' ); 635: my $word; 636: foreach my $digit (@nums) { $word .= $num_to_let[$digit]; } 637: return $word; 638: } 639: 640: # Convert a letter code to numeric. 641: # 642: sub letters_to_num { 643: my ($letters) = @_; 644: my @letters = split( '', uc($letters) ); 645: my %substitution; 646: my $digit = 0; 647: foreach my $letter ( 'A' .. 'J' ) { 648: $substitution{$letter} = $digit; 649: $digit++; 650: } 651: 652: # The substitution is done as below to preserve leading 653: # zeroes which are needed to keep the code size exact 654: # 655: my $result = ""; 656: foreach my $letter (@letters) { 657: $result .= $substitution{$letter}; 658: } 659: return $result; 660: } 661: 662: # Determine if a code is a valid numeric code. Valid 663: # numeric codes must be comprised entirely of digits and 664: # have a correct number of digits. 665: # 666: # Parameters: 667: # value - proposed code value. 668: # num_digits - Number of digits required. 669: # 670: sub is_valid_numeric_code { 671: my ( $value, $num_digits ) = @_; 672: 673: # Remove leading/trailing whitespace; 674: $value =~ s/^\s*//g; 675: $value =~ s/\s*$//g; 676: 677: # All digits? 678: if ( $value !~ /^[0-9]+$/ ) { 679: return 680: "Numeric code $value has invalid characters - must only be digits"; 681: } 682: if ( length($value) != $num_digits ) { 683: return 684: "Numeric code $value incorrect number of digits (correct = $num_digits)"; 685: } 686: return undef; 687: } 688: 689: # Determines if a code is a valid alhpa code. Alpha codes 690: # are ciphers that map [A-J,a-j] -> 0..9 0..9. 691: # They also have a correct digit count. 692: # Parameters: 693: # value - Proposed code value. 694: # num_letters - correct number of letters. 695: # Note: 696: # leading and trailing whitespace are ignored. 697: # 698: sub is_valid_alpha_code { 699: my ( $value, $num_letters ) = @_; 700: 701: # strip leading and trailing spaces. 702: 703: $value =~ s/^\s*//g; 704: $value =~ s/\s*$//g; 705: 706: # All alphas in the right range? 707: if ( $value !~ /^[A-J,a-j]+$/ ) { 708: return "Invalid letter code $value must only contain A-J"; 709: } 710: if ( length($value) != $num_letters ) { 711: return 712: "Letter code $value has incorrect number of letters (correct = $num_letters)"; 713: } 714: return undef; 715: } 716: 717: # Determine if a code entered by the user in a helper is valid. 718: # valid depends on the code type and the type of code selected. 719: # The type of code selected can either be numeric or 720: # Alphabetic. If alphabetic, the code, in fact is a simple 721: # substitution cipher for the actual numeric code: 0->A, 1->B ... 722: # We'll be nice and be case insensitive for alpha codes. 723: # Parameters: 724: # code_value - the value of the code the user typed in. 725: # code_option - The code type selected from the set in the scantron format 726: # table. 727: # Returns: 728: # undef - The code is valid. 729: # other - An error message indicating what's wrong. 730: # 731: sub is_code_valid { 732: my ( $code_value, $code_option ) = @_; 733: my ( $code_type, $code_length ) = ( 'letter', 6 ); # defaults. 734: my @lines = &Apache::grades::get_scantronformat_file(); 735: foreach my $line (@lines) { 736: my ( $name, $type, $length ) = ( split( /:/, $line ) )[ 0, 2, 4 ]; 737: if ( $name eq $code_option ) { 738: $code_length = $length; 739: if ( $type eq 'number' ) { 740: $code_type = 'number'; 741: } 742: } 743: } 744: my $valid; 745: if ( $code_type eq 'number' ) { 746: return &is_valid_numeric_code( $code_value, $code_length ); 747: } 748: else { 749: return &is_valid_alpha_code( $code_value, $code_length ); 750: } 751: 752: } 753: 754: # Compare two students by name. The students are in the form 755: # returned by the helper: 756: # user:domain:section:last, first:status 757: # This is a helper function for the perl sort built-in therefore: 758: # Implicit Inputs: 759: # $a - The first element to compare (global) 760: # $b - The second element to compare (global) 761: # Returns: 762: # -1 - $a < $b 763: # 0 - $a == $b 764: # +1 - $a > $b 765: # Note that the initial comparison is done on the last names with the 766: # first names only used to break the tie. 767: # 768: # 769: sub compare_names { 770: 771: # First split the names up into the primary fields. 772: 773: my ( $u1, $d1, $s1, $n1, $stat1 ) = split( /:/, $a ); 774: my ( $u2, $d2, $s2, $n2, $stat2 ) = split( /:/, $b ); 775: 776: # Now split the last name and first name of each n: 777: # 778: 779: my ( $l1, $f1 ) = split( /,/, $n1 ); 780: my ( $l2, $f2 ) = split( /,/, $n2 ); 781: 782: # We don't bother to remove the leading/trailing whitespace from the 783: # firstname, unless the last names compare identical. 784: 785: if ( $l1 lt $l2 ) { 786: return -1; 787: } 788: if ( $l1 gt $l2 ) { 789: return 1; 790: } 791: 792: # Break the tie on the first name, but there are leading (possibly trailing 793: # whitespaces to get rid of first 794: # 795: $f1 =~ s/^\s+//; # Remove leading... 796: $f1 =~ s/\s+$//; # Trailing spaces from first 1... 797: 798: $f2 =~ s/^\s+//; 799: $f2 =~ s/\s+$//; # And the same for first 2... 800: 801: if ( $f1 lt $f2 ) { 802: return -1; 803: } 804: if ( $f1 gt $f2 ) { 805: return 1; 806: } 807: 808: # Must be the same name. 809: 810: return 0; 811: } 812: 813: sub latex_header_footer_remove { 814: my $text = shift; 815: $text =~ s/\\end{document}//; 816: $text =~ s/\\documentclass([^&]*)\\begin{document}//; 817: return $text; 818: } 819: 820: # 821: # If necessary, encapsulate text inside 822: # a minipage env. 823: # necessity is determined by the problem_split param. 824: # 825: sub encapsulate_minipage { 826: my ($text) = @_; 827: if ( !( $env{'form.problem.split'} =~ /yes/i ) ) { 828: $text = '\begin{minipage}{\textwidth}' . $text . '\end{minipage}'; 829: } 830: return $text; 831: } 832: 833: # 834: # The NUMBER_TO_PRINT and SPLIT_PDFS 835: # variables interact, this sub looks at these two parameters 836: # and comes up with a final value for NUMBER_TO_PRINT which can be: 837: # all - if SPLIT_PDFS eq 'all'. 838: # 1 - if SPLIT_PDFS eq 'oneper' 839: # section - if SPLIT_PDFS eq 'sections' 840: # <unchanged> - if SPLIT_PDFS eq 'usenumber' 841: # 842: sub adjust_number_to_print { 843: my $helper = shift; 844: 845: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'}; 846: 847: if ( $split_pdf eq 'all' ) { 848: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all'; 849: } 850: elsif ( $split_pdf eq 'oneper' ) { 851: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1; 852: } 853: elsif ( $split_pdf eq 'sections' ) { 854: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section'; 855: } 856: elsif ( $split_pdf eq 'usenumber' ) { 857: 858: # Unmodified. 859: } 860: else { 861: 862: # Error!!!! 863: 864: croak 865: "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print"; 866: 867: } 868: } 869: 870: sub character_chart { 871: my $result = shift; 872: return &Apache::entities::replace_entities($result); 873: } 874: 875: sub old_character_chart { 876: my $result = shift; 877: $result =~ s/&\#0?0?(7|9);//g; 878: $result =~ s/&\#0?(10|13);//g; 879: $result =~ s/&\#0?32;/ /g; 880: $result =~ s/&\#0?33;/!/g; 881: $result =~ s/&(\#0?34|quot);/\"/g; 882: $result =~ s/&\#0?35;/\\\#/g; 883: $result =~ s/&\#0?36;/\\\$/g; 884: $result =~ s/&\#0?37;/\\%/g; 885: $result =~ s/&(\#0?38|amp);/\\&/g; 886: $result =~ s/&\#(0?39|146);/\'/g; 887: $result =~ s/&\#0?40;/(/g; 888: $result =~ s/&\#0?41;/)/g; 889: $result =~ s/&\#0?42;/\*/g; 890: $result =~ s/&\#0?43;/\+/g; 891: $result =~ s/&\#(0?44|130);/,/g; 892: $result =~ s/&\#0?45;/-/g; 893: $result =~ s/&\#0?46;/\./g; 894: $result =~ s/&\#0?47;/\//g; 895: $result =~ s/&\#0?48;/0/g; 896: $result =~ s/&\#0?49;/1/g; 897: $result =~ s/&\#0?50;/2/g; 898: $result =~ s/&\#0?51;/3/g; 899: $result =~ s/&\#0?52;/4/g; 900: $result =~ s/&\#0?53;/5/g; 901: $result =~ s/&\#0?54;/6/g; 902: $result =~ s/&\#0?55;/7/g; 903: $result =~ s/&\#0?56;/8/g; 904: $result =~ s/&\#0?57;/9/g; 905: $result =~ s/&\#0?58;/:/g; 906: $result =~ s/&\#0?59;/;/g; 907: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g; 908: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g; 909: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g; 910: $result =~ s/&\#0?63;/\?/g; 911: $result =~ s/&\#0?65;/A/g; 912: $result =~ s/&\#0?66;/B/g; 913: $result =~ s/&\#0?67;/C/g; 914: $result =~ s/&\#0?68;/D/g; 915: $result =~ s/&\#0?69;/E/g; 916: $result =~ s/&\#0?70;/F/g; 917: $result =~ s/&\#0?71;/G/g; 918: $result =~ s/&\#0?72;/H/g; 919: $result =~ s/&\#0?73;/I/g; 920: $result =~ s/&\#0?74;/J/g; 921: $result =~ s/&\#0?75;/K/g; 922: $result =~ s/&\#0?76;/L/g; 923: $result =~ s/&\#0?77;/M/g; 924: $result =~ s/&\#0?78;/N/g; 925: $result =~ s/&\#0?79;/O/g; 926: $result =~ s/&\#0?80;/P/g; 927: $result =~ s/&\#0?81;/Q/g; 928: $result =~ s/&\#0?82;/R/g; 929: $result =~ s/&\#0?83;/S/g; 930: $result =~ s/&\#0?84;/T/g; 931: $result =~ s/&\#0?85;/U/g; 932: $result =~ s/&\#0?86;/V/g; 933: $result =~ s/&\#0?87;/W/g; 934: $result =~ s/&\#0?88;/X/g; 935: $result =~ s/&\#0?89;/Y/g; 936: $result =~ s/&\#0?90;/Z/g; 937: $result =~ s/&\#0?91;/[/g; 938: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g; 939: $result =~ s/&\#0?93;/]/g; 940: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g; 941: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g; 942: $result =~ s/&\#(0?96|145);/\`/g; 943: $result =~ s/&\#0?97;/a/g; 944: $result =~ s/&\#0?98;/b/g; 945: $result =~ s/&\#0?99;/c/g; 946: $result =~ s/&\#100;/d/g; 947: $result =~ s/&\#101;/e/g; 948: $result =~ s/&\#102;/f/g; 949: $result =~ s/&\#103;/g/g; 950: $result =~ s/&\#104;/h/g; 951: $result =~ s/&\#105;/i/g; 952: $result =~ s/&\#106;/j/g; 953: $result =~ s/&\#107;/k/g; 954: $result =~ s/&\#108;/l/g; 955: $result =~ s/&\#109;/m/g; 956: $result =~ s/&\#110;/n/g; 957: $result =~ s/&\#111;/o/g; 958: $result =~ s/&\#112;/p/g; 959: $result =~ s/&\#113;/q/g; 960: $result =~ s/&\#114;/r/g; 961: $result =~ s/&\#115;/s/g; 962: $result =~ s/&\#116;/t/g; 963: $result =~ s/&\#117;/u/g; 964: $result =~ s/&\#118;/v/g; 965: $result =~ s/&\#119;/w/g; 966: $result =~ s/&\#120;/x/g; 967: $result =~ s/&\#121;/y/g; 968: $result =~ s/&\#122;/z/g; 969: $result =~ s/&\#123;/\\{/g; 970: $result =~ s/&\#124;/\|/g; 971: $result =~ s/&\#125;/\\}/g; 972: $result =~ s/&\#126;/\~/g; 973: $result =~ s/&\#131;/\\textflorin /g; 974: $result =~ s/&\#132;/\"/g; 975: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g; 976: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g; 977: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g; 978: $result =~ s/&\#137;/\\textperthousand /g; 979: $result =~ s/&\#140;/{\\OE}/g; 980: $result =~ s/&\#147;/\`\`/g; 981: $result =~ s/&\#148;/\'\'/g; 982: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g; 983: $result =~ s/&(\#150|\#8211);/--/g; 984: $result =~ s/&\#151;/---/g; 985: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g; 986: $result =~ s/&\#153;/\\texttrademark /g; 987: $result =~ s/&\#156;/\\oe/g; 988: $result =~ s/&\#159;/\\\"Y/g; 989: $result =~ s/&(\#160|nbsp);/~/g; 990: $result =~ s/&(\#161|iexcl);/!\`/g; 991: $result =~ s/&(\#162|cent);/\\textcent /g; 992: $result =~ s/&(\#163|pound);/\\pounds /g; 993: $result =~ s/&(\#164|curren);/\\textcurrency /g; 994: $result =~ s/&(\#165|yen);/\\textyen /g; 995: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g; 996: $result =~ s/&(\#167|sect);/\\textsection /g; 997: $result =~ s/&(\#168|uml);/\\"\{\} /g; 998: $result =~ s/&(\#169|copy);/\\copyright /g; 999: $result =~ s/&(\#170|ordf);/\\textordfeminine /g; 1000: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g; 1001: $result =~ s/&(\#173|shy);/ - /g; 1002: $result =~ s/&(\#174|reg);/\\textregistered /g; 1003: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g; 1004: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g; 1005: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g; 1006: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g; 1007: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g; 1008: $result =~ s/&(\#180|acute);/\\'\{\} /g; 1009: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g; 1010: $result =~ s/&(\#182|para);/\\P/g; 1011: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g; 1012: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g; 1013: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g; 1014: $result =~ s/&(\#186|ordm);/\\textordmasculine /g; 1015: $result =~ s/&(\#188|frac14);/\\textonequarter /g; 1016: $result =~ s/&(\#189|frac12);/\\textonehalf /g; 1017: $result =~ s/&(\#190|frac34);/\\textthreequarters /g; 1018: $result =~ s/&(\#191|iquest);/?\`/g; 1019: $result =~ s/&(\#192|Agrave);/\\\`{A}/g; 1020: $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 1021: $result =~ s/&(\#194|Acirc);/\\^{A}/g; 1022: $result =~ s/&(\#195|Atilde);/\\~{A}/g; 1023: $result =~ s/&(\#196|Auml);/\\\"{A}/g; 1024: $result =~ s/&(\#197|Aring);/{\\AA}/g; 1025: $result =~ s/&(\#198|AElig);/{\\AE}/g; 1026: $result =~ s/&(\#199|Ccedil);/\\c{c}/g; 1027: $result =~ s/&(\#200|Egrave);/\\\`{E}/g; 1028: $result =~ s/&(\#201|Eacute);/\\\'{E}/g; 1029: $result =~ s/&(\#202|Ecirc);/\\^{E}/g; 1030: $result =~ s/&(\#203|Euml);/\\\"{E}/g; 1031: $result =~ s/&(\#204|Igrave);/\\\`{I}/g; 1032: $result =~ s/&(\#205|Iacute);/\\\'{I}/g; 1033: $result =~ s/&(\#206|Icirc);/\\^{I}/g; 1034: $result =~ s/&(\#207|Iuml);/\\\"{I}/g; 1035: $result =~ s/&(\#209|Ntilde);/\\~{N}/g; 1036: $result =~ s/&(\#210|Ograve);/\\\`{O}/g; 1037: $result =~ s/&(\#211|Oacute);/\\\'{O}/g; 1038: $result =~ s/&(\#212|Ocirc);/\\^{O}/g; 1039: $result =~ s/&(\#213|Otilde);/\\~{O}/g; 1040: $result =~ s/&(\#214|Ouml);/\\\"{O}/g; 1041: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g; 1042: $result =~ s/&(\#216|Oslash);/{\\O}/g; 1043: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g; 1044: $result =~ s/&(\#218|Uacute);/\\\'{U}/g; 1045: $result =~ s/&(\#219|Ucirc);/\\^{U}/g; 1046: $result =~ s/&(\#220|Uuml);/\\\"{U}/g; 1047: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g; 1048: $result =~ s/&(\#223|szlig);/{\\ss}/g; 1049: $result =~ s/&(\#224|agrave);/\\\`{a}/g; 1050: $result =~ s/&(\#225|aacute);/\\\'{a}/g; 1051: $result =~ s/&(\#226|acirc);/\\^{a}/g; 1052: $result =~ s/&(\#227|atilde);/\\~{a}/g; 1053: $result =~ s/&(\#228|auml);/\\\"{a}/g; 1054: $result =~ s/&(\#229|aring);/{\\aa}/g; 1055: $result =~ s/&(\#230|aelig);/{\\ae}/g; 1056: $result =~ s/&(\#231|ccedil);/\\c{c}/g; 1057: $result =~ s/&(\#232|egrave);/\\\`{e}/g; 1058: $result =~ s/&(\#233|eacute);/\\\'{e}/g; 1059: $result =~ s/&(\#234|ecirc);/\\^{e}/g; 1060: $result =~ s/&(\#235|euml);/\\\"{e}/g; 1061: $result =~ s/&(\#236|igrave);/\\\`{i}/g; 1062: $result =~ s/&(\#237|iacute);/\\\'{i}/g; 1063: $result =~ s/&(\#238|icirc);/\\^{i}/g; 1064: $result =~ s/&(\#239|iuml);/\\\"{i}/g; 1065: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g; 1066: $result =~ s/&(\#241|ntilde);/\\~{n}/g; 1067: $result =~ s/&(\#242|ograve);/\\\`{o}/g; 1068: $result =~ s/&(\#243|oacute);/\\\'{o}/g; 1069: $result =~ s/&(\#244|ocirc);/\\^{o}/g; 1070: $result =~ s/&(\#245|otilde);/\\~{o}/g; 1071: $result =~ s/&(\#246|ouml);/\\\"{o}/g; 1072: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g; 1073: $result =~ s/&(\#248|oslash);/{\\o}/g; 1074: $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 1075: $result =~ s/&(\#250|uacute);/\\\'{u}/g; 1076: $result =~ s/&(\#251|ucirc);/\\^{u}/g; 1077: $result =~ s/&(\#252|uuml);/\\\"{u}/g; 1078: $result =~ s/&(\#253|yacute);/\\\'{y}/g; 1079: $result =~ s/&(\#255|yuml);/\\\"{y}/g; 1080: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g; 1081: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g; 1082: 1083: #Greek Alphabet 1084: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g; 1085: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g; 1086: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g; 1087: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g; 1088: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g; 1089: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g; 1090: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g; 1091: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g; 1092: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g; 1093: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g; 1094: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g; 1095: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g; 1096: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g; 1097: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g; 1098: $result =~ s/&(omicron|\#959);/o/g; 1099: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g; 1100: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g; 1101: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g; 1102: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g; 1103: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g; 1104: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g; 1105: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g; 1106: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g; 1107: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g; 1108: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g; 1109: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g; 1110: $result =~ s/&(Alpha|\#913);/A/g; 1111: $result =~ s/&(Beta|\#914);/B/g; 1112: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g; 1113: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g; 1114: $result =~ s/&(Epsilon|\#917);/E/g; 1115: $result =~ s/&(Zeta|\#918);/Z/g; 1116: $result =~ s/&(Eta|\#919);/H/g; 1117: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g; 1118: $result =~ s/&(Iota|\#921);/I/g; 1119: $result =~ s/&(Kappa|\#922);/K/g; 1120: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g; 1121: $result =~ s/&(Mu|\#924);/M/g; 1122: $result =~ s/&(Nu|\#925);/N/g; 1123: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g; 1124: $result =~ s/&(Omicron|\#927);/O/g; 1125: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g; 1126: $result =~ s/&(Rho|\#929);/P/g; 1127: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g; 1128: $result =~ s/&(Tau|\#932);/T/g; 1129: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g; 1130: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g; 1131: $result =~ s/&(Chi|\#935);/X/g; 1132: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g; 1133: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g; 1134: 1135: #Arrows (extended HTML 4.01) 1136: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g; 1137: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g; 1138: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g; 1139: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g; 1140: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g; 1141: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g; 1142: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g; 1143: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g; 1144: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g; 1145: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g; 1146: 1147: #Mathematical Operators (extended HTML 4.01) 1148: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g; 1149: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g; 1150: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g; 1151: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g; 1152: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g; 1153: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g; 1154: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g; 1155: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g; 1156: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g; 1157: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g; 1158: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g; 1159: $result =~ s/–/\\ensuremath\{-\}/g; 1160: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g; 1161: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g; 1162: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g; 1163: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g; 1164: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g; 1165: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g; 1166: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g; 1167: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g; 1168: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g; 1169: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g; 1170: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g; 1171: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g; 1172: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g; 1173: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g; 1174: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g; 1175: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g; 1176: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g; 1177: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g; 1178: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g; 1179: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g; 1180: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g; 1181: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g; 1182: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g; 1183: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g; 1184: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g; 1185: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g; 1186: 1187: #Geometric Shapes (extended HTML 4.01) 1188: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g; 1189: 1190: #Miscellaneous Symbols (extended HTML 4.01) 1191: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g; 1192: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g; 1193: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g; 1194: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g; 1195: 1196: # Chemically useful 'things' contributed by Hon Kie (bug 4652). 1197: 1198: $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g; 1199: $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g; 1200: $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g; 1201: $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g; 1202: $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g; 1203: $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g; 1204: $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g; 1205: $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g; 1206: $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g; 1207: $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g; 1208: $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g; 1209: $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g; 1210: $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g; 1211: 1212: # Left/right quotations: 1213: 1214: $result =~ s/&(ldquo|#8220);/\`\`/g; 1215: $result =~ s/&(rdquo|#8221);/\'\'/g; 1216: 1217: return $result; 1218: } 1219: 1220: #width, height, oddsidemargin, evensidemargin, topmargin 1221: my %page_formats = ( 1222: 'letter' => { 1223: 'book' => { 1224: '1' => [ '7.1 in', '9.8 in', '-0.57 in', '-0.57 in', '0.275 in' ], 1225: '2' => [ '3.66 in', '9.8 in', '-0.57 in', '-0.57 in', '0.275 in' ] 1226: }, 1227: 'album' => { 1228: '1' => [ '8.8 in', '6.8 in', '-0.55 in', '-0.55 in', '0.394 in' ], 1229: '2' => [ '4.8 in', '6.8 in', '-0.5 in', '-1.0 in', '3.5 in' ] 1230: }, 1231: }, 1232: 'legal' => { 1233: 'book' => { 1234: '1' => [ '7.1 in', '13 in',, '-0.57 in', '-0.57 in', '-0.5 in' ], 1235: '2' => [ '3.66 in', '13 in', '-0.57 in', '-0.57 in', '-0.5 in' ] 1236: }, 1237: 'album' => { 1238: '1' => [ '12 in', '7.1 in',, '-0.57 in', '-0.57 in', '-0.5 in' ], 1239: '2' => [ '6.0 in', '7.1 in', '-1 in', '-1 in', '5 in' ] 1240: }, 1241: }, 1242: 'tabloid' => { 1243: 'book' => { 1244: '1' => [ '9.8 in', '16 in', '-0.57 in', '-0.57 in', '-0.5 in' ], 1245: '2' => [ '4.9 in', '16 in', '-0.57 in', '-0.57 in', '-0.5 in' ] 1246: }, 1247: 'album' => { 1248: '1' => [ '16 in', '9.8 in', '-0.57 in', '-0.57 in', '-0.5 in' ], 1249: '2' => [ '16 in', '4.9 in', '-0.57 in', '-0.57 in', '-0.5 in' ] 1250: }, 1251: }, 1252: 'executive' => { 1253: 'book' => { 1254: '1' => [ '6.8 in', '9 in', '-0.57 in', '-0.57 in', '1.2 in' ], 1255: '2' => [ '3.1 in', '9 in', '-0.57 in', '-0.57 in', '1.2 in' ] 1256: }, 1257: 'album' => { 1258: '1' => [], 1259: '2' => [] 1260: }, 1261: }, 1262: 'a2' => { 1263: 'book' => { 1264: '1' => [], 1265: '2' => [] 1266: }, 1267: 'album' => { 1268: '1' => [], 1269: '2' => [] 1270: }, 1271: }, 1272: 'a3' => { 1273: 'book' => { 1274: '1' => [], 1275: '2' => [] 1276: }, 1277: 'album' => { 1278: '1' => [], 1279: '2' => [] 1280: }, 1281: }, 1282: 'a4' => { 1283: 'book' => { 1284: '1' => 1285: [ '17.6 cm', '27.2 cm', '-1.397 cm', '-2.11 cm', '-1.27 cm' ], 1286: '2' => [ '9.1 cm', '27.2 cm', '-1.397 cm', '-2.11 cm', '-1.27 cm' ] 1287: }, 1288: 'album' => { 1289: '1' => [ '21.59 cm', '19.558 cm', '-1.397cm', '-2.11 cm', '0 cm' ], 1290: '2' => [ '9.91 cm', '19.558 cm', '-1.397 cm', '-2.11 cm', '0 cm' ] 1291: }, 1292: }, 1293: 'a5' => { 1294: 'book' => { 1295: '1' => [], 1296: '2' => [] 1297: }, 1298: 'album' => { 1299: '1' => [], 1300: '2' => [] 1301: }, 1302: }, 1303: 'a6' => { 1304: 'book' => { 1305: '1' => [], 1306: '2' => [] 1307: }, 1308: 'album' => { 1309: '1' => [], 1310: '2' => [] 1311: }, 1312: }, 1313: ); 1314: 1315: sub page_format { 1316: 1317: # 1318: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]", 1319: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]", 1320: # "A2 [420x594 mm]", "A3 [297x420 mm]", 1321: # "A4 [210x297 mm]", "A5 [148x210 mm]", 1322: # "A6 [105x148 mm]" 1323: # 1324: my ( $papersize, $layout, $numberofcolumns ) = @_; 1325: return @{ $page_formats{$papersize}->{$layout}->{$numberofcolumns} }; 1326: } 1327: 1328: sub get_name { 1329: my ( $uname, $udom ) = @_; 1330: if ( !defined($uname) ) { $uname = $env{'user.name'}; } 1331: if ( !defined($udom) ) { $udom = $env{'user.domain'}; } 1332: my $plainname = &Apache::loncommon::plainname( $uname, $udom ); 1333: if ( $plainname =~ /^\s*$/ ) { $plainname = $uname . '@' . $udom; } 1334: $plainname = &Apache::lonxml::latex_special_symbols( $plainname, 'header' ); 1335: return $plainname; 1336: } 1337: 1338: sub get_course { 1339: my $courseidinfo; 1340: if ( defined( $env{'request.course.id'} ) ) { 1341: $courseidinfo = &Apache::lonxml::latex_special_symbols( 1342: &unescape( 1343: $env{ 'course.' . $env{'request.course.id'} . '.description' } 1344: ), 1345: 'header' 1346: ); 1347: my $sec = $env{'request.course.sec'}; 1348: 1349: } 1350: return $courseidinfo; 1351: } 1352: 1353: sub page_format_transformation { 1354: my ( 1355: $papersize, $layout, $numberofcolumns, 1356: $choice, $text, $assignment, 1357: $tableofcontents, $indexlist, $selectionmade 1358: ) = @_; 1359: my ( $textwidth, $textheight, $oddoffset, $evenoffset, $topmargin ); 1360: 1361: if ( $selectionmade eq '4' ) { 1362: if ( $choice eq 'all_problems' ) { 1363: $assignment = &mt('Problems from the Whole Course'); 1364: } 1365: else { 1366: $assignment = &mt('Resources from the Whole Course'); 1367: } 1368: } 1369: else { 1370: $assignment = 1371: &Apache::lonxml::latex_special_symbols( $assignment, 'header' ); 1372: } 1373: ( $textwidth, $textheight, $oddoffset, $evenoffset, $topmargin ) = 1374: &page_format( $papersize, $layout, $numberofcolumns, $topmargin ); 1375: 1376: my $name = &get_name(); 1377: my $courseidinfo = &get_course(); 1378: my $header_text = $parmhash{'print_header_format'}; 1379: $header_text = 1380: &format_page_header( $textwidth, $header_text, $assignment, $courseidinfo, 1381: $name ); 1382: my $topmargintoinsert = ''; 1383: if ( $topmargin ne '0' ) { 1384: $topmargintoinsert = '\setlength{\topmargin}{' . $topmargin . '}'; 1385: } 1386: my $fancypagestatement = ''; 1387: if ( $numberofcolumns eq '2' ) { 1388: $fancypagestatement = "\\fancyhead{}\\fancyhead[LO]{$header_text}"; 1389: } 1390: else { 1391: $fancypagestatement = "\\rhead{}\\chead{}\\lhead{$header_text}"; 1392: } 1393: if ( $layout eq 'album' ) { 1394: $text =~ 1395: s/\\begin{document}/\\setlength{\\oddsidemargin}{$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 /; 1396: } 1397: elsif ( $layout eq 'book' ) { 1398: if ( $choice ne 'All class print' ) { 1399: $text =~ 1400: 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/; 1401: } 1402: else { 1403: $text =~ 1404: 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 /; 1405: } 1406: if ( $papersize eq 'a4' ) { 1407: my $papersize_text; 1408: if ( $perm{'pav'} ) { 1409: $papersize_text = '\\special{papersize=210mm,297mm}'; 1410: } 1411: else { 1412: $papersize_text = '\special{papersize=210mm,297mm}'; 1413: } 1414: $text =~ s/(\\begin{document})/$1$papersize_text/; 1415: } 1416: } 1417: if ( $tableofcontents eq 'yes' ) { 1418: $text =~ s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /; 1419: } 1420: if ( $indexlist eq 'yes' ) { 1421: $text =~ s/(\\begin{document})/\\makeindex $1/; 1422: $text =~ s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/; 1423: } 1424: return $text; 1425: } 1426: 1427: sub page_cleanup { 1428: my $result = shift; 1429: 1430: $result =~ m/\\end{document}(\d*)$/; 1431: my $number_of_columns = $1; 1432: my $insert = '{'; 1433: for ( my $id = 1 ; $id <= $number_of_columns ; $id++ ) { $insert .= 'l'; } 1434: $insert .= '}'; 1435: $result =~ 1436: s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g; 1437: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g; 1438: return $result, $number_of_columns; 1439: } 1440: 1441: sub details_for_menu { 1442: my ($helper) = @_; 1443: my $postdata = $env{'form.postdata'}; 1444: if ( !$postdata ) { $postdata = $helper->{VARS}{'postdata'}; } 1445: my $name_of_resource = &Apache::lonnet::gettitle($postdata); 1446: my $symbolic = &Apache::lonnet::symbread($postdata); 1447: return if ( $symbolic eq '' ); 1448: 1449: my ( $map, $id, $resource ) = &Apache::lonnet::decode_symb($symbolic); 1450: $map = &Apache::lonnet::clutter($map); 1451: my $name_of_sequence = &Apache::lonnet::gettitle($map); 1452: if ( $name_of_sequence =~ /^\s*$/ ) { 1453: $map =~ m|([^/]+)$|; 1454: $name_of_sequence = $1; 1455: } 1456: my $name_of_map = &Apache::lonnet::gettitle( $env{'request.course.uri'} ); 1457: if ( $name_of_map =~ /^\s*$/ ) { 1458: $env{'request.course.uri'} =~ m|([^/]+)$|; 1459: $name_of_map = $1; 1460: } 1461: return ( $name_of_resource, $name_of_sequence, $name_of_map ); 1462: } 1463: 1464: sub copyright_line { 1465: return 1466: '\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\vspace*{-2 mm}\newline\noindent{\tiny Printed from LON-CAPA\copyright MSU{\hfill} Licensed under GNU General Public License } '; 1467: } 1468: my $end_of_student = "\n" . '\special{ps:ENDOFSTUDENTSTAMP}' . "\n"; 1469: 1470: sub latex_corrections { 1471: my ( $number_of_columns, $result, $selectionmade, $answer_mode ) = @_; 1472: 1473: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g; 1474: my $copyright = &copyright_line(); 1475: if ( $selectionmade eq '1' || $answer_mode eq 'only' ) { 1476: $result =~ 1477: s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/; 1478: } 1479: else { 1480: $result =~ 1481: s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/; 1482: } 1483: $result =~ s/\$number_of_columns/$number_of_columns/g; 1484: $result =~ 1485: s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g; 1486: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g; 1487: 1488: #-- LaTeX corrections 1489: my $first_comment = index( $result, '', $first_comment ); 1492: substr( $result, $first_comment, $end_comment - $first_comment + 3 ) = 1493: ''; 1494: $first_comment = index( $result, '<!--', $first_comment ); 1495: } 1496: $result =~ s/^\s+$//gm; #remove empty lines 1497: #removes more than one empty space 1498: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge; 1499: $result =~ s/\\\\\s*\\vskip/\\vskip/gm; 1500: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g; 1501: $result =~ s/{\\par }\s*\\\\/\\\\/gm; 1502: $result =~ s/\\\\\s+\[/ \[/g; 1503: 1504: #conversion of html characters to LaTeX equivalents 1505: if ( $result =~ m/&(\w+|#\d+);/ ) { 1506: $result = &character_chart($result); 1507: } 1508: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g; 1509: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g; 1510: return $result; 1511: } 1512: 1513: sub index_table { 1514: my $currentURL = shift; 1515: my $insex_string = ''; 1516: $currentURL =~ s/\.([^\/+])$/\.$1\.meta/; 1517: $insex_string = &Apache::lonnet::metadata( $currentURL, 'keywords' ); 1518: return $insex_string; 1519: } 1520: 1521: sub IndexCreation { 1522: my ( $texversion, $currentURL ) = @_; 1523: my @key_words = split( /,/, &index_table($currentURL) ); 1524: my $chunk = ''; 1525: my $st = index $texversion, '\addcontentsline{toc}{subsection}{'; 1526: if ( $st > 0 ) { 1527: for ( my $i = 0 ; $i < 3 ; $i++ ) { 1528: $st = ( index $texversion, '}', $st + 1 ); 1529: } 1530: $chunk = substr( $texversion, 0, $st + 1 ); 1531: substr( $texversion, 0, $st + 1 ) = ' '; 1532: } 1533: foreach my $key_word (@key_words) { 1534: if ( $key_word =~ /\S+/ ) { 1535: $texversion =~ s/\b($key_word)\b/$1 \\index{$key_word} /i; 1536: } 1537: } 1538: if ( $st > 0 ) { substr( $texversion, 0, 1 ) = $chunk; } 1539: return $texversion; 1540: } 1541: 1542: sub print_latex_header { 1543: my $mode = shift; 1544: 1545: return &Apache::londefdef::latex_header($mode); 1546: } 1547: 1548: sub path_to_problem { 1549: my ( $urlp, $colwidth ) = @_; 1550: $urlp = &Apache::lonnet::clutter($urlp); 1551: 1552: my $newurlp = ''; 1553: $colwidth =~ s/\s*mm\s*$//; 1554: 1555: #characters average about 2 mm in width 1556: if ( length($urlp) * 2 > $colwidth ) { 1557: my @elements = split( '/', $urlp ); 1558: my $curlength = 0; 1559: foreach my $element (@elements) { 1560: if ( $element eq '' ) { next; } 1561: if ( $curlength + ( length($element) * 2 ) > $colwidth ) { 1562: $newurlp .= '|\vskip -1 mm \verb|'; 1563: $curlength = length($element) * 2; 1564: } 1565: else { 1566: $curlength += length($element) * 2; 1567: } 1568: $newurlp .= '/' . $element; 1569: } 1570: } 1571: else { 1572: $newurlp = $urlp; 1573: } 1574: return '{\small\noindent\verb|' . $newurlp . '|\vskip 0 mm}'; 1575: } 1576: 1577: sub recalcto_mm { 1578: my $textwidth = shift; 1579: my $LaTeXwidth; 1580: if ( $textwidth =~ /(-?\d+\.?\d*)\s*cm/ ) { 1581: $LaTeXwidth = $1 * 10; 1582: } 1583: elsif ( $textwidth =~ /(-?\d+\.?\d*)\s*mm/ ) { 1584: $LaTeXwidth = $1; 1585: } 1586: elsif ( $textwidth =~ /(-?\d+\.?\d*)\s*in/ ) { 1587: $LaTeXwidth = $1 * 25.4; 1588: } 1589: $LaTeXwidth .= ' mm'; 1590: return $LaTeXwidth; 1591: } 1592: 1593: sub get_textwidth { 1594: my ( $helper, $LaTeXwidth ) = @_; 1595: my $textwidth = $LaTeXwidth; 1596: if ( $helper->{'VARS'}->{'pagesize.width'} =~ /\d+/ 1597: && $helper->{'VARS'}->{'pagesize.widthunit'} =~ /\w+/ ) 1598: { 1599: $textwidth = 1600: &recalcto_mm( $helper->{'VARS'}->{'pagesize.width'} . ' ' 1601: . $helper->{'VARS'}->{'pagesize.widthunit'} ); 1602: } 1603: return $textwidth; 1604: } 1605: 1606: sub unsupported { 1607: my ( $currentURL, $mode, $symb ) = @_; 1608: if ( $mode ne '' ) { $mode = '\\' . $mode } 1609: my $result .= &print_latex_header($mode); 1610: if ( $currentURL =~ m|^(/adm/wrapper/)?ext/| ) { 1611: $currentURL =~ s|^(/adm/wrapper/)?ext/|http://|; 1612: my $title = &Apache::lonnet::gettitle($symb); 1613: $title = &Apache::lonxml::latex_special_symbols($title); 1614: $result .= 1615: ' \strut \\\\ ' . $title . ' \strut \\\\ ' . $currentURL . ' '; 1616: } 1617: else { 1618: $result .= $currentURL; 1619: } 1620: $result .= 1621: '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}'; 1622: return $result; 1623: } 1624: 1625: # 1626: # Map from helper layout style to the book/album: 1627: # 1628: sub map_laystyle { 1629: my ($laystyle) = @_; 1630: if ( $laystyle eq 'L' ) { 1631: $laystyle = 'album'; 1632: } 1633: else { 1634: $laystyle = 'book'; 1635: } 1636: return $laystyle; 1637: } 1638: 1639: sub print_page_in_course { 1640: my ( $helper, $rparmhash, $currentURL, $resources ) = @_; 1641: my %parmhash = %$rparmhash; 1642: my @page_resources = @$resources; 1643: my $mode = $helper->{'VARS'}->{'LATEX_TYPE'}; 1644: my $symb = $helper->{'VARS'}->{'symb'}; 1645: 1646: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'}; 1647: 1648: my @temporary_array = split /\|/, $format_from_helper; 1649: my ( $laystyle, $numberofcolumns, $papersize, $pdfFormFields ) = 1650: @temporary_array; 1651: $laystyle = &map_laystyle($laystyle); 1652: my ( $textwidth, $textheight, $oddoffset, $evenoffset ) = 1653: &page_format( $papersize, $laystyle, $numberofcolumns ); 1654: my $LaTeXwidth = &recalcto_mm($textwidth); 1655: 1656: if ( $mode ne '' ) { $mode = '\\' . $mode } 1657: my $result = &print_latex_header($mode); 1658: if ( $currentURL =~ m|^(/adm/wrapper/)?ext/| ) { 1659: $currentURL =~ s|^(/adm/wrapper/)?ext/|http://|; 1660: my $title = &Apache::lonnet::gettitle($symb); 1661: $title = &Apache::lonxml::latex_special_symbols($title); 1662: } 1663: else { 1664: $result .= $currentURL; 1665: } 1666: $result .= '\\\\'; 1667: 1668: if ( $helper->{'VARS'}->{'style_file'} =~ /\w/ ) { 1669: &Apache::lonnet::appenv( 1670: { 'construct.style' => $helper->{'VARS'}->{'style_file'} } ); 1671: } 1672: elsif ( $env{'construct.style'} ) { 1673: &Apache::lonnet::delenv('construct.style'); 1674: } 1675: 1676: # First is the overall page description. This is then followed by the 1677: # components of the page. Each of which must be printed independently. 1678: my $the_page = shift(@page_resources); 1679: 1680: foreach my $resource (@page_resources) { 1681: my $resource_src = 1682: $resource->src(); # Essentially the URL of the resource. 1683: $result .= $resource->title() . '\\\\'; 1684: 1685: # Recurse if a .page: 1686: 1687: if ( $resource_src =~ /.page$/i ) { 1688: my $navmap = Apache::lonnavmaps::navmap->new(); 1689: my @page_resources = $navmap->retrieveResources($resource_src); 1690: $result .= 1691: &print_page_in_course( $helper, $rparmhash, $resource_src, 1692: \@page_resources ); 1693: } 1694: 1695: # these resources go through the XML transformer: 1696: 1697: elsif ( $resource_src =~ 1698: /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm\xhtml|xhtm)$/ 1699: ) 1700: { 1701: my $urlp = &Apache::lonnet::clutter($resource_src); 1702: my %form; 1703: my %moreenv; 1704: 1705: &Apache::lonxml::remember_problem_counter(); 1706: $moreenv{'request.filename'} = $urlp; 1707: if ( $helper->{'VARS'}->{'probstatus'} eq 'exam' ) { 1708: $form{'problemtype'} = 'exam'; 1709: } 1710: 1711: $form{'grade_target'} = 'tex'; 1712: $form{'textwidth'} = &get_textwidth( $helper, $LaTeXwidth ); 1713: $form{'pdfFormFiels'} = $pdfFormFields; # 1714: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'}; 1715: 1716: $form{'problem_split'} = $parmhash{'problem_stream_switch'}; 1717: $form{'suppress_tries'} = $parmhash{'suppress_tries'}; 1718: $form{'latex_type'} = $helper->{'VARS'}->{'LATEX_TYPE'}; 1719: $form{'print_discussions'} = 1720: $helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 1721: $form{'print_annotations'} = 1722: $helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 1723: if ( ( $helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes' ) 1724: || ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) ) 1725: { 1726: $form{'problem_split'} = 'yes'; 1727: } 1728: my $rndseed = time; 1729: if ( $helper->{'VARS'}->{'curseed'} ) { 1730: $rndseed = $helper->{'VARS'}->{'curseed'}; 1731: } 1732: $form{'rndseed'} = $rndseed; 1733: &Apache::lonnet::appenv( \%moreenv ); 1734: 1735: &Apache::lonxml::clear_problem_counter(); 1736: 1737: my $texversion = 1738: &ssi_with_retries( $urlp, $ssi_retry_count, %form ); 1739: 1740: # current document with answers.. no need to encap in minipage 1741: # since there's only one answer. 1742: 1743: if ( ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) 1744: || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' ) ) 1745: { 1746: my %answerform = %form; 1747: 1748: $answerform{'problem_split'} = 1749: $parmhash{'problem_stream_switch'}; 1750: $answerform{'grade_target'} = 'answer'; 1751: $answerform{'answer_output_mode'} = 'tex'; 1752: $answerform{'rndseed'} = $rndseed; 1753: if ( $helper->{'VARS'}->{'probstatus'} eq 'exam' ) { 1754: $answerform{'problemtype'} = 'exam'; 1755: } 1756: $resources_printed .= $urlp . ':'; 1757: my $answer = 1758: &ssi_with_retries( $urlp, $ssi_retry_count, %answerform ); 1759: 1760: if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) { 1761: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 1762: } 1763: else { 1764: $texversion = 1765: &print_latex_header( $helper->{'VARS'}->{'LATEX_TYPE'} ); 1766: if ( $helper->{'VARS'}->{'construction'} ne '1' ) { 1767: my $title = 1768: &Apache::lonnet::gettitle( 1769: $helper->{'VARS'}->{'symb'} ); 1770: $title = &Apache::lonxml::latex_special_symbols($title); 1771: $texversion .= 1772: '\vskip 0 mm \noindent\textbf{' 1773: . $title 1774: . '}\vskip 0 mm '; 1775: $texversion .= &path_to_problem( $urlp, $LaTeXwidth ); 1776: } 1777: else { 1778: $texversion .= 1779: '\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm '; 1780: my $URLpath = $urlp; 1781: $URLpath =~ s/~([^\/]+)/public_html\/$1\/$1/; 1782: $texversion .= 1783: &path_to_problem( $URLpath, $LaTeXwidth ); 1784: } 1785: $texversion .= '\vskip 1 mm ' . $answer . '\end{document}'; 1786: } 1787: 1788: } 1789: 1790: # Print annotations. 1791: 1792: if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) { 1793: my $annotation .= &annotate($currentURL); 1794: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/; 1795: } 1796: 1797: if ( $helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes' ) { 1798: $texversion = &IndexCreation( $texversion, $currentURL ); 1799: } 1800: if ( $helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes' ) { 1801: $texversion =~ 1802: s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /; 1803: 1804: } 1805: $texversion = &latex_header_footer_remove($texversion); 1806: 1807: # the first remaining line is a comment from londefdef the second 1808: # line seems to be an extraneous \vskip 1mm \\\\ : 1809: # (imperfect removal from header_footer_remove? 1810: 1811: $texversion =~ s/\\vskip 1mm \\\\\\\\//; 1812: 1813: $result .= $texversion; 1814: if ( $currentURL =~ m/\.page\s*$/ ) { 1815: ( $result, $numberofcolumns ) = &page_cleanup($result); 1816: } 1817: } 1818: } 1819: 1820: $result .= 1821: '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}'; 1822: return $result; 1823: } 1824: 1825: # 1826: # List of recently generated print files 1827: # 1828: sub recently_generated { 1829: my $r = shift; 1830: my $prtspool = $r->dir_config('lonPrtDir'); 1831: my $zip_result; 1832: my $pdf_result; 1833: opendir( DIR, $prtspool ); 1834: 1835: my @files = 1836: grep( 1837: /^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/, 1838: readdir(DIR) ); 1839: closedir(DIR); 1840: 1841: @files = sort { 1842: my ($actime) = ( stat( $prtspool . '/' . $a ) )[10]; 1843: my ($bctime) = ( stat( $prtspool . '/' . $b ) )[10]; 1844: return $bctime <=> $actime; 1845: } (@files); 1846: 1847: foreach my $filename (@files) { 1848: my ($ext) = ( $filename =~ m/(pdf|zip)$/ ); 1849: my ( 1850: $cdev, $cino, $cmode, $cnlink, $cuid, 1851: $cgid, $crdev, $csize, $catime, $cmtime, 1852: $cctime, $cblksize, $cblocks 1853: ) = stat( $prtspool . '/' . $filename ); 1854: my $ext_text = 'pdf' ? &mt('PDF File') : &mt('Zip File'); 1855: my $result = 1856: &Apache::loncommon::start_data_table_row() . '<td>' 1857: . '<a href="/prtspool/' 1858: . $filename . '">' 1859: . $ext_text . '</a>' . '</td>' . '<td>' 1860: . &Apache::lonlocal::locallocaltime($cctime) . '</td>' 1861: . '<td align="right">' 1862: . $csize . '</td>' 1863: . &Apache::loncommon::end_data_table_row(); 1864: if ( $ext eq 'pdf' ) { $pdf_result .= $result; } 1865: if ( $ext eq 'zip' ) { $zip_result .= $result; } 1866: } 1867: if ( $zip_result || $pdf_result ) { 1868: $r->print('<hr />'); 1869: } 1870: if ($zip_result) { 1871: $r->print( '<h3>' 1872: . &mt('Recently generated printout zip files') 1873: . "</h3>\n" 1874: . &Apache::loncommon::start_data_table() 1875: . &Apache::loncommon::start_data_table_header_row() . '<th>' 1876: . &mt('Download') . '</th>' . '<th>' 1877: . &mt('Creation Date') . '</th>' . '<th>' 1878: . &mt('File Size (Bytes)') . '</th>' 1879: . &Apache::loncommon::end_data_table_header_row() 1880: . $zip_result 1881: . &Apache::loncommon::end_data_table() ); 1882: } 1883: if ($pdf_result) { 1884: $r->print( '<h3>' 1885: . &mt('Recently generated printouts') 1886: . "</h3>\n" 1887: . &Apache::loncommon::start_data_table() 1888: . &Apache::loncommon::start_data_table_header_row() . '<th>' 1889: . &mt('Download') . '</th>' . '<th>' 1890: . &mt('Creation Date') . '</th>' . '<th>' 1891: . &mt('File Size (Bytes)') . '</th>' 1892: . &Apache::loncommon::end_data_table_header_row() 1893: . $pdf_result 1894: . &Apache::loncommon::end_data_table() ); 1895: } 1896: } 1897: 1898: # 1899: # Retrieve the hash of page breaks. 1900: # 1901: # Inputs: 1902: # helper - reference to helper object. 1903: # Outputs 1904: # A reference to a page break hash. 1905: # 1906: # 1907: # use Data::Dumper; 1908: # sub dump_helper_vars { 1909: # my ($helper) = @_; 1910: # my $helpervars = Dumper($helper->{'VARS'}); 1911: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars"); 1912: #} 1913: 1914: sub get_page_breaks { 1915: my ($helper) = @_; 1916: my %page_breaks; 1917: 1918: foreach my $break ( split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'} ) { 1919: $page_breaks{$break} = 1; 1920: } 1921: return %page_breaks; 1922: } 1923: 1924: # 1925: # Returns text to insert for any extra vskip prior to the resource. 1926: # Parameters: 1927: # helper - Reference to the helper object driving the printout. 1928: # resource - Identifies the resource about to be printed. 1929: # 1930: # This is done as follows: 1931: # POSSIBLE_RESOURCES has the list of possible resources. 1932: # EXTRASPACE has the list of extra space values. 1933: # EXTRASPACE_UNITS is the set of resources for which the units are 1934: # mm. All others are 'in'. 1935: # 1936: # The resource is found in the POSSIBLE_RESOURCES to get the index 1937: # of the EXTRASPACE value. 1938: # 1939: # In order to speed this up for lengthy printouts, the first time, 1940: # POSSIBLE_RESOURCES is turned into a look up hash and 1941: # EXTRASPACE is turned into an array. 1942: # 1943: 1944: my %possible_resources; 1945: my %extraspace_mm; 1946: my @extraspace; 1947: my $skips_loaded = 0; 1948: 1949: # Function to load the skips hash and array 1950: 1951: sub load_skips { 1952: 1953: my ($helper) = @_; 1954: 1955: # If this is the first time, unrap the resources and extra spaces: 1956: 1957: if ( !$skips_loaded ) { 1958: @extraspace = ( split( /\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'} ) ); 1959: my @resource_list = 1960: ( split( /\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'} ) ); 1961: my $i = 0; 1962: foreach my $resource (@resource_list) { 1963: $possible_resources{$resource} = $i; 1964: $i++; 1965: } 1966: foreach my $mm_resource ( 1967: split( /\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'} ) ) 1968: { 1969: $extraspace_mm{$mm_resource} = 1; 1970: } 1971: $skips_loaded = 1; 1972: } 1973: } 1974: 1975: sub get_extra_vspaces { 1976: my ( $helper, $resource ) = @_; 1977: 1978: &load_skips($helper); 1979: 1980: # Lookup the resource in the possible resources hash.. that is the index 1981: # into the extraspace array that gives us either an empty string or 1982: # the number of mm to skip: 1983: 1984: my $index = $possible_resources{$resource}; 1985: my $skip = $extraspace[$index]; 1986: 1987: my $result = ''; 1988: if ( $skip ne '' ) { 1989: my $units = 'in'; 1990: if ( defined( $extraspace_mm{$resource} ) ) { 1991: $units = 'mm'; 1992: } 1993: $result = '\vskip ' . $skip . ' ' . $units; 1994: } 1995: 1996: return $result; 1997: 1998: } 1999: 2000: # 2001: # The resource chooser part of the helper needs more than just 2002: # the value of the extraspaces var to recover the value into a text 2003: # field option. This sub produces the required format for the saved var: 2004: # specifically 2005: # ||| separated fields of the form resourcename=value 2006: # 2007: # Parameters: 2008: # $helper - Refers to the helper we are configuring 2009: # Implicit input: 2010: # $helper->{'VARS'}->{'EXTRASPACE'} - the spaces helper var has the text field 2011: # value. 2012: # $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes). 2013: # $helper->{'VARS'}->{'POSSIBLE_RESOURCES'} - has the list of resources. ||| 2014: # separated of course. 2015: # Implicit outputs: 2016: # $env{'form.extraspace'} 2017: # $env{'form.extraspace_units'} 2018: # 2019: sub set_form_extraspace { 2020: my ($helper) = @_; 2021: 2022: # the most convenient way to do this is to drive from the skips arrays/hash. 2023: # may not be the fastest, but this is once per print request so it's not so 2024: # speed critical: 2025: 2026: &load_skips($helper); 2027: 2028: my $result = ''; 2029: 2030: foreach my $resource ( keys(%possible_resources) ) { 2031: my $vskip = $extraspace[ $possible_resources{$resource} ]; 2032: $result .= $resource . '=' . $vskip . '|||'; 2033: } 2034: 2035: $env{'form.extraspace'} = $result; 2036: $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'}; 2037: return $result; 2038: 2039: } 2040: 2041: # Output a sequence (recursively if neeed) 2042: # from construction space. 2043: # Parameters: 2044: # url = URL of the sequence to print. 2045: # helper - Reference to the helper hash. 2046: # form - Copy of the format hash. 2047: # LaTeXWidth 2048: # Returns: 2049: # Text to add to the printout. 2050: # NOTE if the first element of the outermost sequence 2051: # is itself a sequence, the outermost caller may need to 2052: # prefix the latex with the page headers stuff. 2053: # 2054: sub print_construction_sequence { 2055: my ( $currentURL, $helper, %form, $LaTeXwidth ) = @_; 2056: my $result; 2057: my $rndseed = time; 2058: if ( $helper->{'VARS'}->{'curseed'} ) { 2059: $rndseed = $helper->{'VARS'}->{'curseed'}; 2060: } 2061: my $errtext = &LONCAPA::map::mapread($currentURL); 2062: 2063: # 2064: # These make this all support recursing for subsequences. 2065: # 2066: my @order = @LONCAPA::map::order; 2067: my @resources = @LONCAPA::map::resources; 2068: for ( my $member = 0 ; $member <= $#order ; $member++ ) { 2069: $resources[ $order[$member] ] =~ /^([^:]*):([^:]*):/; 2070: my $urlp = $2; 2071: if ( $urlp =~ 2072: /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/ 2073: ) 2074: { 2075: my $texversion = ''; 2076: if ( $helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only' ) { 2077: $form{'problem_split'} = $parmhash{'problem_stream_switch'}; 2078: $form{'suppress_tries'} = $parmhash{'suppress_tries'}; 2079: $form{'latex_type'} = $helper->{'VARS'}->{'LATEX_TYPE'}; 2080: $form{'rndseed'} = $rndseed; 2081: $resources_printed .= $urlp . ':'; 2082: $texversion = 2083: &ssi_with_retries( $urlp, $ssi_retry_count, %form ); 2084: } 2085: if ( 2086: ( 2087: ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) 2088: || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' ) 2089: ) 2090: && ( $urlp =~ 2091: /\.(problem|exam|quiz|assess|survey|form|library|page)$/ ) 2092: ) 2093: { 2094: 2095: # Don't permanently modify %$form... 2096: my %answerform = %form; 2097: $answerform{'grade_target'} = 'answer'; 2098: $answerform{'answer_output_mode'} = 'tex'; 2099: $answerform{'rndseed'} = $rndseed; 2100: $answerform{'problem_split'} = 2101: $parmhash{'problem_stream_switch'}; 2102: if ( $urlp =~ /\/res\// ) { 2103: $env{'request.state'} = 'published'; 2104: } 2105: $resources_printed .= $urlp . ':'; 2106: my $answer = 2107: &ssi_with_retries( $urlp, $ssi_retry_count, %answerform ); 2108: 2109: if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) { 2110: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 2111: } 2112: else { 2113: 2114: # If necessary, encapsulate answer in minipage: 2115: 2116: $texversion = 2117: &print_latex_header( $helper->{'VARS'}->{'LATEX_TYPE'} ); 2118: my $title = 2119: &Apache::lonnet::gettitle( $helper->{'VARS'}->{'symb'} ); 2120: $title = &Apache::lonxml::latex_special_symbols($title); 2121: my $body = 2122: '\vskip 0 mm \noindent\textbf{' 2123: . $title 2124: . '}\vskip 0 mm '; 2125: $body .= &path_to_problem( $urlp, $LaTeXwidth ); 2126: $body .= '\vskip 1 mm ' . $answer . '\end{document}'; 2127: $body = &encapsulate_minipage($body); 2128: $texversion .= $body; 2129: } 2130: } 2131: $texversion = &latex_header_footer_remove($texversion); 2132: 2133: if ( $helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes' ) { 2134: $texversion = &IndexCreation( $texversion, $urlp ); 2135: } 2136: if ( $helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes' ) { 2137: $texversion =~ 2138: s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /; 2139: } 2140: $result .= $texversion; 2141: 2142: } 2143: elsif ( $urlp =~ /\.(sequence|page)$/ ) { 2144: 2145: # header: 2146: 2147: $result .= 2148: '\strut\newline\noindent Sequence/page ' 2149: . $urlp 2150: . '\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent '; 2151: 2152: # IF sequence, recurse: 2153: 2154: if ( $urlp =~ /\.sequence$/ ) { 2155: my $sequence_url = $urlp; 2156: my $domain = $env{'user.domain'}; # Constr. space only on local 2157: my $user = $env{'user.name'}; 2158: 2159: $sequence_url =~ s/^\/res\/$domain/\/home/; 2160: $sequence_url =~ s/^(\/home\/$user)/$1\/public_html/; 2161: 2162: # $sequence_url =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|; 2163: $result .= 2164: &print_construction_sequence( $sequence_url, $helper, %form, 2165: $LaTeXwidth ); 2166: } 2167: } 2168: elsif ( $urlp =~ /\.pdf$/i ) { 2169: my $texversion; 2170: if ( $member != 0 ) { 2171: $texversion .= '\cleardoublepage'; 2172: } 2173: 2174: $texversion .= &include_pdf($urlp); 2175: $texversion = &latex_header_footer_remove($texversion); 2176: if ( $member != $#order ) { 2177: $texversion .= '\\ \cleardoublepage'; 2178: } 2179: 2180: $result .= $texversion; 2181: } 2182: } 2183: if ( $helper->{VARS}->{'construction'} eq '1' ) { 2184: $result =~ s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /; 2185: } 2186: return $result; 2187: } 2188: 2189: sub output_data { 2190: my ( $r, $helper, $rparmhash ) = @_; 2191: my %parmhash = %$rparmhash; 2192: $ssi_error = 0; # This will be set nonzero by failing ssi's. 2193: $resources_printed = ''; 2194: $font_size = $helper->{'VARS'}->{'fontsize'}; 2195: my $do_postprocessing = 1; 2196: my $js = <<ENDPART; 2197: <script type="text/javascript"> 2198: var editbrowser; 2199: function openbrowser(formname,elementname,only,omit) { 2200: var url = '/res/?'; 2201: if (editbrowser == null) { 2202: url += 'launch=1&'; 2203: } 2204: url += 'catalogmode=interactive&'; 2205: url += 'mode=parmset&'; 2206: url += 'form=' + formname + '&'; 2207: if (only != null) { 2208: url += 'only=' + only + '&'; 2209: } 2210: if (omit != null) { 2211: url += 'omit=' + omit + '&'; 2212: } 2213: url += 'element=' + elementname + ''; 2214: var title = 'Browser'; 2215: var options = 'scrollbars=1,resizable=1,menubar=0'; 2216: options += ',width=700,height=600'; 2217: editbrowser = open(url,title,options,'1'); 2218: editbrowser.focus(); 2219: } 2220: </script> 2221: ENDPART 2222: 2223: # Breadcrumbs 2224: #FIXME: Choose better/different breadcrumbs?!? Links? 2225: my $brcrum = [ 2226: { 2227: 'href' => '', 2228: 'text' => 'Helper' 2229: }, #FIXME: Different origin possible than print out helper? 2230: { 2231: 'href' => '', 2232: 'text' => 'Preparing Printout' 2233: } 2234: ]; 2235: 2236: my $start_page = &Apache::loncommon::start_page( 'Preparing Printout', 2237: $js, { 'bread_crumbs' => $brcrum, } ); 2238: my $msg = &mt( 2239: 'Please stand by while processing your print request, this may take some time ...' 2240: ); 2241: 2242: $r->print( $start_page . "\n<p>\n$msg\n</p>\n" ); 2243: 2244: # fetch the pagebreaks and store them in the course environment 2245: # The page breaks will be pulled into the hash %page_breaks which is 2246: # indexed by symb and contains 1's for each break. 2247: 2248: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'}; 2249: &set_form_extraspace($helper); 2250: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 2251: &Apache::loncommon::store_course_settings( 2252: 'print', 2253: { 2254: 'pagebreaks' => 'scalar', 2255: 'extraspace' => 'scalar', 2256: 'extraspace_units' => 'scalar', 2257: 'lastprinttype' => 'scalar' 2258: } 2259: ); 2260: my %page_breaks = &get_page_breaks($helper); 2261: 2262: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'}; 2263: my ( $result, $selectionmade ) = ( '', '' ); 2264: my $number_of_columns = 2265: 1; #used only for pages to determine the width of the cell 2266: my @temporary_array = split /\|/, $format_from_helper; 2267: my ( $laystyle, $numberofcolumns, $papersize, $pdfFormFields ) = 2268: @temporary_array; 2269: 2270: $laystyle = &map_laystyle($laystyle); 2271: my ( $textwidth, $textheight, $oddoffset, $evenoffset ) = 2272: &page_format( $papersize, $laystyle, $numberofcolumns ); 2273: my $assignment = $env{'form.assignment'}; 2274: my $LaTeXwidth = &recalcto_mm($textwidth); 2275: my @print_array = (); 2276: my @student_names = (); 2277: 2278: # Common settings for the %form has: 2279: # In some cases these settings get overriddent by specific cases, but the 2280: # settings are common enough to make it worthwhile factoring them out 2281: # here. 2282: # 2283: my %form; 2284: $form{'grade_target'} = 'tex'; 2285: $form{'textwidth'} = &get_textwidth( $helper, $LaTeXwidth ); 2286: $form{'pdfFormFields'} = $pdfFormFields; 2287: 2288: # If form.showallfoils is set, then request all foils be shown: 2289: # privilege will be enforced both by not allowing the 2290: # check box selecting this option to be presnt unless it's ok, 2291: # and by lonresponse's priv. check. 2292: # The if is here because lonresponse.pm only cares that 2293: # showallfoils is defined, not what the value is. 2294: 2295: if ( $helper->{'VARS'}->{'showallfoils'} eq "1" ) { 2296: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'}; 2297: } 2298: 2299: if ( $helper->{'VARS'}->{'style_file'} =~ /\w/ ) { 2300: &Apache::lonnet::appenv( 2301: { 'construct.style' => $helper->{'VARS'}->{'style_file'} } ); 2302: } 2303: elsif ( $env{'construct.style'} ) { 2304: &Apache::lonnet::delenv('construct.style'); 2305: } 2306: 2307: if ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document' ) { 2308: 2309: #-- single document - problem, page, html, xml, ... 2310: my ( $currentURL, $cleanURL ); 2311: 2312: if ( $helper->{'VARS'}->{'construction'} ne '1' ) { 2313: 2314: #prints published resource 2315: $currentURL = $helper->{'VARS'}->{'postdata'}; 2316: $cleanURL = &Apache::lonenc::check_decrypt($currentURL); 2317: } 2318: else { 2319: 2320: #prints resource from the construction space 2321: $currentURL = '/' . $helper->{'VARS'}->{'filename'}; 2322: if ( $currentURL =~ /([^?]+)/ ) { $currentURL = $1; } 2323: $cleanURL = $currentURL; 2324: } 2325: $selectionmade = 1; 2326: if ( $cleanURL !~ m|^/adm/| 2327: && $cleanURL =~ 2328: /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/ 2329: ) 2330: { 2331: my $rndseed = time; 2332: my $texversion = ''; 2333: if ( $helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only' ) { 2334: my %moreenv; 2335: $moreenv{'request.filename'} = $cleanURL; 2336: if ( $helper->{'VARS'}->{'probstatus'} eq 'exam' ) { 2337: $form{'problemtype'} = 'exam'; 2338: } 2339: $form{'problem_split'} = $parmhash{'problem_stream_switch'}; 2340: $form{'suppress_tries'} = $parmhash{'suppress_tries'}; 2341: $form{'latex_type'} = $helper->{'VARS'}->{'LATEX_TYPE'}; 2342: $form{'print_discussions'} = 2343: $helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 2344: $form{'print_annotations'} = 2345: $helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 2346: if ( ( $helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes' ) 2347: || ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) ) 2348: { 2349: $form{'problem_split'} = 'yes'; 2350: } 2351: if ( $helper->{'VARS'}->{'curseed'} ) { 2352: $rndseed = $helper->{'VARS'}->{'curseed'}; 2353: } 2354: $form{'rndseed'} = $rndseed; 2355: &Apache::lonnet::appenv( \%moreenv ); 2356: 2357: &Apache::lonxml::clear_problem_counter(); 2358: 2359: $resources_printed .= $currentURL . ':'; 2360: $texversion .= 2361: &ssi_with_retries( $currentURL, $ssi_retry_count, %form ); 2362: 2363: # Add annotations if required: 2364: 2365: &Apache::lonxml::clear_problem_counter(); 2366: 2367: &Apache::lonnet::delenv('request.filename'); 2368: } 2369: 2370: # current document with answers.. no need to encap in minipage 2371: # since there's only one answer. 2372: 2373: if ( ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) 2374: || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' ) ) 2375: { 2376: $form{'problem_split'} = $parmhash{'problem_stream_switch'}; 2377: $form{'grade_target'} = 'answer'; 2378: $form{'answer_output_mode'} = 'tex'; 2379: $form{'rndseed'} = $rndseed; 2380: if ( $helper->{'VARS'}->{'probstatus'} eq 'exam' ) { 2381: $form{'problemtype'} = 'exam'; 2382: } 2383: $resources_printed .= $currentURL . ':'; 2384: my $answer = 2385: &ssi_with_retries( $currentURL, $ssi_retry_count, %form ); 2386: 2387: if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) { 2388: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 2389: } 2390: else { 2391: $texversion = 2392: &print_latex_header( $helper->{'VARS'}->{'LATEX_TYPE'} ); 2393: if ( $helper->{'VARS'}->{'construction'} ne '1' ) { 2394: my $title = 2395: &Apache::lonnet::gettitle( 2396: $helper->{'VARS'}->{'symb'} ); 2397: $title = &Apache::lonxml::latex_special_symbols($title); 2398: $texversion .= 2399: '\vskip 0 mm \noindent\textbf{' 2400: . $title 2401: . '}\vskip 0 mm '; 2402: $texversion .= 2403: &path_to_problem( $cleanURL, $LaTeXwidth ); 2404: } 2405: else { 2406: $texversion .= 2407: '\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm '; 2408: my $URLpath = $cleanURL; 2409: $URLpath =~ s/~([^\/]+)/public_html\/$1\/$1/; 2410: $texversion .= 2411: &path_to_problem( $URLpath, $LaTeXwidth ); 2412: } 2413: $texversion .= '\vskip 1 mm ' . $answer . '\end{document}'; 2414: } 2415: 2416: } 2417: 2418: # Print annotations. 2419: 2420: if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) { 2421: my $annotation .= &annotate($currentURL); 2422: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/; 2423: } 2424: 2425: if ( $helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes' ) { 2426: $texversion = &IndexCreation( $texversion, $currentURL ); 2427: } 2428: if ( $helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes' ) { 2429: $texversion =~ 2430: s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /; 2431: 2432: } 2433: $result .= $texversion; 2434: if ( $currentURL =~ m/\.page\s*$/ ) { 2435: ( $result, $number_of_columns ) = &page_cleanup($result); 2436: } 2437: } 2438: elsif ($cleanURL !~ m|^/adm/| 2439: && $currentURL =~ /\.(sequence|page)$/ 2440: && $helper->{'VARS'}->{'construction'} eq '1' ) 2441: { 2442: 2443: #printing content of sequence from the construction space 2444: 2445: $currentURL =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|; 2446: $result .= 2447: &print_construction_sequence( $currentURL, $helper, %form, 2448: $LaTeXwidth ); 2449: $result .= '\end{document}'; 2450: if ( !( $result =~ /\\begin\{document\}/ ) ) { 2451: $result = &print_latex_header() . $result; 2452: } 2453: 2454: # End construction space sequence. 2455: } 2456: elsif ( $cleanURL =~ /\/(smppg|syllabus|aboutme|bulletinboard)$/ ) { 2457: $form{'latex_type'} = $helper->{'VARS'}->{'LATEX_TYPE'}; 2458: if ( $currentURL =~ /\/syllabus$/ ) { $currentURL =~ s/\/res//; } 2459: $resources_printed .= $currentURL . ':'; 2460: my $texversion = 2461: &ssi_with_retries( $currentURL, $ssi_retry_count, %form ); 2462: if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) { 2463: my $annotation = &annotate($currentURL); 2464: $texversion =~ s/(\\end{document})/$annotation$1/; 2465: } 2466: $result .= $texversion; 2467: } 2468: elsif ( $cleanURL =~ /\.tex$/ ) { 2469: 2470: # For this sort of print of a single LaTeX file, 2471: # We can just print the LaTeX file as it is uninterpreted in any way: 2472: # 2473: 2474: $result = &fetch_raw_resource($currentURL); 2475: if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) { 2476: my $annotation = &annotate($currentURL); 2477: $result =~ s/(\\end{document})/$annotation$1/; 2478: } 2479: 2480: $do_postprocessing = 0; # Don't massage the result. 2481: 2482: } 2483: elsif ( $cleanURL =~ /\.pdf$/i ) { 2484: $result .= &include_pdf($cleanURL); 2485: $result .= '\end{document}'; 2486: } 2487: elsif ( $cleanURL =~ /\.page$/i ) 2488: { # Print page in non construction space contexts. 2489: 2490: # Determine the set of resources in the map of the page: 2491: 2492: my $navmap = Apache::lonnavmaps::navmap->new(); 2493: my @page_resources = $navmap->retrieveResources($cleanURL); 2494: $result .= &print_page_in_course( $helper, $rparmhash, $cleanURL, 2495: \@page_resources ); 2496: 2497: } 2498: else { 2499: $result .= &unsupported( 2500: $currentURL, 2501: $helper->{'VARS'}->{'LATEX_TYPE'}, 2502: $helper->{'VARS'}->{'symb'} 2503: ); 2504: } 2505: } 2506: elsif ( 2507: ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems' ) 2508: or ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page' ) 2509: or ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page' ) 2510: or ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages' ) 2511: or ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems' ) 2512: or ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources' ) 2513: or # BUGBUG 2514: ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences' ) 2515: ) 2516: { 2517: 2518: #-- produce an output string 2519: if ( ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems' ) 2520: or ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page' ) ) 2521: { 2522: $selectionmade = 2; 2523: } 2524: elsif (( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages' ) 2525: or ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page' ) 2526: ) 2527: { 2528: $selectionmade = 3; 2529: } 2530: elsif ( ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems' ) ) { 2531: $selectionmade = 4; 2532: } 2533: elsif ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources' ) { #BUGBUG 2534: $selectionmade = 4; 2535: } 2536: elsif ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences' ) { 2537: $selectionmade = 7; 2538: } 2539: $form{'problem_split'} = $parmhash{'problem_stream_switch'}; 2540: $form{'suppress_tries'} = $parmhash{'suppress_tries'}; 2541: $form{'latex_type'} = $helper->{'VARS'}->{'LATEX_TYPE'}; 2542: $form{'print_discussions'} = $helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 2543: $form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 2544: if ( ( $helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes' ) 2545: || ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) ) 2546: { 2547: $form{'problem_split'} = 'yes'; 2548: } 2549: my $flag_latex_header_remove = 'NO'; 2550: my $flag_page_in_sequence = 'NO'; 2551: my @master_seq = split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 2552: my $prevassignment = ''; 2553: 2554: &Apache::lonxml::clear_problem_counter(); 2555: 2556: my $pbreakresources = keys %page_breaks; 2557: for ( my $i = 0 ; $i <= $#master_seq ; $i++ ) { 2558: 2559: &Apache::lonenc::reset_enc(); 2560: 2561: # Note due to document structure, not allowed to put \newpage 2562: # prior to the first resource 2563: 2564: if ( defined $page_breaks{ $master_seq[$i] } ) { 2565: if ( $i != 0 ) { 2566: $result .= "\\newpage\n"; 2567: } 2568: } 2569: $result .= &get_extra_vspaces( $helper, $master_seq[$i] ); 2570: my ( $sequence, $middle_thingy, $urlp ) = 2571: &Apache::lonnet::decode_symb( $master_seq[$i] ); 2572: $urlp = &Apache::lonnet::clutter($urlp); 2573: $form{'symb'} = $master_seq[$i]; 2574: 2575: my $assignment = 2576: &Apache::lonxml::latex_special_symbols( 2577: &Apache::lonnet::gettitle($sequence), 'header' ) 2578: ; #title of the assignment which contains this problem 2579: 2580: if ( $selectionmade == 7 ) { 2581: $helper->{VARS}->{'assignment'} = $assignment; 2582: } 2583: if ( $i == 0 ) { $prevassignment = $assignment; } 2584: my $texversion = ''; 2585: if ( $urlp !~ m|^/adm/| 2586: && $urlp =~ 2587: /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/ 2588: ) 2589: { 2590: $resources_printed .= $urlp . ':'; 2591: &Apache::lonxml::remember_problem_counter(); 2592: if ( $flag_latex_header_remove eq 'NO' ) { 2593: $texversion .= 2594: &print_latex_header( $helper->{'VARS'}->{'LATEX_TYPE'} ) 2595: ; # RF 2596: $flag_latex_header_remove = 'YES'; 2597: } 2598: $texversion .= 2599: &ssi_with_retries( $urlp, $ssi_retry_count, %form ); 2600: if ( $urlp =~ /\.page$/ ) { 2601: ( $texversion, my $number_of_columns_page ) = 2602: &page_cleanup($texversion); 2603: if ( $number_of_columns_page > $number_of_columns ) { 2604: $number_of_columns = $number_of_columns_page; 2605: } 2606: $texversion =~ s/\\end{document}\d*/\\end{document}/; 2607: $flag_page_in_sequence = 'YES'; 2608: } 2609: 2610: if ( ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) 2611: || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' ) ) 2612: { 2613: 2614: # Don't permanently pervert the %form hash 2615: my %answerform = %form; 2616: $answerform{'grade_target'} = 'answer'; 2617: $answerform{'answer_output_mode'} = 'tex'; 2618: $resources_printed .= $urlp . ':'; 2619: 2620: &Apache::lonxml::restore_problem_counter(); 2621: my $answer = 2622: &ssi_with_retries( $urlp, $ssi_retry_count, %answerform ); 2623: 2624: if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) { 2625: $texversion =~ 2626: s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 2627: } 2628: else { 2629: if ( $urlp =~ 2630: /\.(problem|exam|quiz|assess|survey|form|library)$/ 2631: ) 2632: { 2633: $texversion = 2634: &print_latex_header( 2635: $helper->{'VARS'}->{'LATEX_TYPE'} ); 2636: $texversion =~ s/\\begin{document}//; 2637: my $title = 2638: &Apache::lonnet::gettitle( $master_seq[$i] ); 2639: $title = 2640: &Apache::lonxml::latex_special_symbols($title); 2641: my $body = 2642: '\vskip 0 mm \noindent\textbf{' 2643: . $title 2644: . '}\vskip 0 mm '; 2645: $body .= &path_to_problem( $urlp, $LaTeXwidth ); 2646: $body .= '\vskip 1 mm ' . $answer; 2647: $body = &encapsulate_minipage($body); 2648: $texversion .= $body; 2649: } 2650: else { 2651: $texversion = ''; 2652: } 2653: } 2654: 2655: } 2656: if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) { 2657: my $annotation .= &annotate($urlp); 2658: $texversion =~ 2659: s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/; 2660: } 2661: 2662: if ( $flag_latex_header_remove ne 'NO' ) { 2663: $texversion = &latex_header_footer_remove($texversion); 2664: } 2665: else { 2666: $texversion =~ s/\\end{document}//; 2667: } 2668: if ( $helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes' ) { 2669: $texversion = &IndexCreation( $texversion, $urlp ); 2670: } 2671: if ( ( $selectionmade == 4 ) 2672: and ( $assignment ne $prevassignment ) ) 2673: { 2674: my $name = &get_name(); 2675: my $courseidinfo = &get_course(); 2676: $prevassignment = $assignment; 2677: my $header_text = $parmhash{'print_header_format'}; 2678: $header_text = &format_page_header( 2679: $textwidth, $header_text, $assignment, 2680: $courseidinfo, $name 2681: ); 2682: 2683: if ( $numberofcolumns eq '1' ) { 2684: $result .= 2685: '\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{' 2686: . $header_text 2687: . '}} \vskip 5 mm '; 2688: } 2689: else { 2690: $result .= 2691: '\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{' 2692: . $header_text 2693: . '}} \vskip 5 mm '; 2694: } 2695: } 2696: $result .= $texversion; 2697: $flag_latex_header_remove = 'YES'; 2698: } 2699: elsif ( $urlp =~ /\/(smppg|syllabus|aboutme|bulletinboard)$/ ) { 2700: $form{'latex_type'} = $helper->{'VARS'}->{'LATEX_TYPE'}; 2701: if ( $urlp =~ /\/syllabus$/ ) { $urlp =~ s/\/res//; } 2702: $resources_printed .= $urlp . ':'; 2703: my $texversion = 2704: &ssi_with_retries( $urlp, $ssi_retry_count, %form ); 2705: if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) { 2706: my $annotation = &annotate($urlp); 2707: $texversion =~ s/(\\end{document)/$annotation$1/; 2708: } 2709: 2710: if ( $flag_latex_header_remove ne 'NO' ) { 2711: $texversion = &latex_header_footer_remove($texversion); 2712: } 2713: else { 2714: $texversion =~ 2715: s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/; 2716: } 2717: $result .= $texversion; 2718: $flag_latex_header_remove = 'YES'; 2719: } 2720: elsif ( $urlp =~ /\.pdf$/i ) { 2721: if ( $i > 0 ) { 2722: $result .= '\cleardoublepage'; 2723: } 2724: $result .= &include_pdf($urlp); 2725: if ( $i != $#master_seq ) { 2726: if ( $numberofcolumns eq '1' ) { 2727: $result .= '\newpage'; 2728: } 2729: else { 2730: 2731: # the \\'s seem to be needed to let LaTeX know there's something 2732: # on the page since LaTeX seems to not like to clear an empty page. 2733: # 2734: $result .= '\\ \cleardoublepage'; 2735: } 2736: } 2737: $flag_latex_header_remove = 'YES'; 2738: 2739: } 2740: else { 2741: $texversion = 2742: &unsupported( $urlp, $helper->{'VARS'}->{'LATEX_TYPE'}, 2743: $master_seq[$i] ); 2744: if ( $flag_latex_header_remove ne 'NO' ) { 2745: $texversion = &latex_header_footer_remove($texversion); 2746: } 2747: else { 2748: $texversion =~ s/\\end{document}//; 2749: } 2750: $result .= $texversion; 2751: $flag_latex_header_remove = 'YES'; 2752: } 2753: if ( &Apache::loncommon::connection_aborted($r) ) { 2754: last; 2755: } 2756: } 2757: &Apache::lonxml::clear_problem_counter(); 2758: if ( $flag_page_in_sequence eq 'YES' ) { 2759: $result =~ 2760: s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/; 2761: } 2762: $result .= '\end{document}'; 2763: } 2764: elsif ( 2765: ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students' ) 2766: || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 2767: 'problems_for_students_from_page' ) 2768: || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students' ) 2769: || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students' ) 2770: ) 2771: { 2772: 2773: #-- prints assignments for whole class or for selected students 2774: my $type; 2775: if ( 2776: ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students' ) 2777: || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 2778: 'problems_for_students_from_page' ) 2779: || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students' ) 2780: ) 2781: { 2782: $selectionmade = 5; 2783: $type = 'problems'; 2784: } 2785: elsif ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students' ) 2786: { 2787: $selectionmade = 8; 2788: $type = 'resources'; 2789: } 2790: my @students = split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'}; 2791: 2792: # The normal sort order is by section then by students within the 2793: # section. If the helper var student_sort is 1, then the user has elected 2794: # to override this and output the students by name. 2795: # Each element of the students array is of the form: 2796: # username:domain:section:last, first:status 2797: # 2798: # Note that student sort is not compatible with printing 2799: # 1 section per pdf...so that setting overrides. 2800: # 2801: if ( ( $helper->{'VARS'}->{'student_sort'} eq 1 ) 2802: && ( $helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections" ) ) 2803: { 2804: @students = sort compare_names @students; 2805: } 2806: &adjust_number_to_print($helper); 2807: 2808: if ( $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' 2809: || $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) 2810: { 2811: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students + 1; 2812: } 2813: 2814: # If we are splitting on section boundaries, we need 2815: # to remember that in split_on_sections and 2816: # print all of the students in the list. 2817: # 2818: my $split_on_sections = 0; 2819: if ( $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section' ) { 2820: $split_on_sections = 1; 2821: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students + 1; 2822: } 2823: my @master_seq = split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 2824: 2825: #loop over students 2826: 2827: my $flag_latex_header_remove = 'NO'; 2828: my %moreenv; 2829: $moreenv{'instructor_comments'} = 'hide'; 2830: $moreenv{'textwidth'} = &get_textwidth( $helper, $LaTeXwidth ); 2831: $moreenv{'print_discussions'} = 2832: $helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 2833: $moreenv{'print_annotations'} = 2834: $helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 2835: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'}; 2836: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'}; 2837: 2838: if ( ( $helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes' ) 2839: || ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) ) 2840: { 2841: $moreenv{'problem_split'} = 'yes'; 2842: } 2843: my %prog_state = &Apache::lonhtmlcommon::Create_PrgWin( 2844: $r, 'Print Status', 2845: 'Class Print Status', 2846: $#students + 1, 2847: 'inline', '75' 2848: ); 2849: my $student_counter = -1; 2850: my $i = 0; 2851: my $last_section = ( split( /:/, $students[0] ) )[2]; 2852: foreach my $person (@students) { 2853: 2854: my $duefile = 2855: "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due"; 2856: if ( -e $duefile ) { 2857: my $temp_file = Apache::File->new( '>>' . $duefile ); 2858: print $temp_file "1969\n"; 2859: } 2860: $student_counter++; 2861: if ($split_on_sections) { 2862: my $this_section = ( split( /:/, $person ) )[2]; 2863: if ( $this_section ne $last_section ) { 2864: $i++; 2865: $last_section = $this_section; 2866: } 2867: } 2868: else { 2869: $i = int( 2870: $student_counter / $helper->{'VARS'}{'NUMBER_TO_PRINT'} ); 2871: } 2872: my ( $output, $fullname, $printed ) = 2873: &print_resources( $r, $helper, $person, $type, \%moreenv, 2874: \@master_seq, $flag_latex_header_remove, $LaTeXwidth ); 2875: $resources_printed .= ":"; 2876: $print_array[$i] .= $output; 2877: $student_names[$i] .= $person . ':' . $fullname . '_END_'; 2878: &Apache::lonhtmlcommon::Increment_PrgWin( $r, \%prog_state, 2879: &mt('last student') . ' ' . $fullname ); 2880: $flag_latex_header_remove = 'YES'; 2881: if ( &Apache::loncommon::connection_aborted($r) ) { last; } 2882: } 2883: &Apache::lonhtmlcommon::Close_PrgWin( $r, \%prog_state ); 2884: $result .= $print_array[0] . ' \end{document}'; 2885: } 2886: elsif (( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon' ) 2887: || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page' ) 2888: || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon' ) ) 2889: { 2890: my $cdom = $env{ 'course.' . $env{'request.course.id'} . '.domain' }; 2891: my $cnum = $env{ 'course.' . $env{'request.course.id'} . '.num' }; 2892: my $num_todo = $helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'}; 2893: my $code_name = $helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'}; 2894: my $old_name = $helper->{'VARS'}->{'REUSE_OLD_CODES'}; 2895: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'}; 2896: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'}; 2897: 2898: my $code_option = $helper->{'VARS'}->{'CODE_OPTION'}; 2899: my @lines = &Apache::grades::get_scantronformat_file(); 2900: my ( $code_type, $code_length ) = ( 'letter', 6 ); 2901: foreach my $line (@lines) { 2902: my ( $name, $type, $length ) = ( split( /:/, $line ) )[ 0, 2, 4 ]; 2903: if ( $name eq $code_option ) { 2904: $code_length = $length; 2905: if ( $type eq 'number' ) { $code_type = 'number'; } 2906: } 2907: } 2908: my %moreenv = ( 'textwidth' => &get_textwidth( $helper, $LaTeXwidth ) ); 2909: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'}; 2910: $moreenv{'instructor_comments'} = 'hide'; 2911: my $seed = time + ( $$ << 16 ) + ($$); 2912: my @allcodes; 2913: if ($old_name) { 2914: my %result = 2915: &Apache::lonnet::get( 'CODEs', [ $old_name, "type\0$old_name" ], 2916: $cdom, $cnum ); 2917: $code_type = $result{"type\0$old_name"}; 2918: @allcodes = split( ',', $result{$old_name} ); 2919: $num_todo = scalar(@allcodes); 2920: } 2921: elsif ($selected_code) { # Selection value is always numeric. 2922: $num_todo = 1; 2923: @allcodes = ($selected_code); 2924: } 2925: elsif ($single_code) { 2926: 2927: $num_todo = 1; # Unconditionally one code to do. 2928: # If an alpha code have to convert to numbers so it can be 2929: # converted back to letters again :-) 2930: # 2931: if ( $code_type ne 'number' ) { 2932: $single_code = &letters_to_num($single_code); 2933: } 2934: @allcodes = ($single_code); 2935: } 2936: else { 2937: my %allcodes; 2938: srand($seed); 2939: for ( my $i = 0 ; $i < $num_todo ; $i++ ) { 2940: $moreenv{'CODE'} = 2941: &get_CODE( \%allcodes, $i, $seed, $code_length, $code_type ); 2942: } 2943: if ($code_name) { 2944: &Apache::lonnet::put( 2945: 'CODEs', 2946: { 2947: $code_name => join( ',', keys(%allcodes) ), 2948: "type\0$code_name" => $code_type 2949: }, 2950: $cdom, $cnum 2951: ); 2952: } 2953: @allcodes = keys(%allcodes); 2954: } 2955: my @master_seq = split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 2956: my ($type) = split( /_/, $helper->{'VARS'}->{'PRINT_TYPE'} ); 2957: &adjust_number_to_print($helper); 2958: my $number_per_page = $helper->{'VARS'}->{'NUMBER_TO_PRINT'}; 2959: if ( $number_per_page eq '0' || $number_per_page eq 'all' ) { 2960: $number_per_page = $num_todo; 2961: } 2962: my $flag_latex_header_remove = 'NO'; 2963: my %prog_state = 2964: &Apache::lonhtmlcommon::Create_PrgWin( $r, 'Print Status', 2965: 'Class Print Status', 2966: $num_todo, 'inline', '75' ); 2967: my $count = 0; 2968: foreach my $code ( sort(@allcodes) ) { 2969: my $file_num = int( $count / $number_per_page ); 2970: if ( $code_type eq 'number' ) { 2971: $moreenv{'CODE'} = $code; 2972: } 2973: else { 2974: $moreenv{'CODE'} = &num_to_letters($code); 2975: } 2976: my ( $output, $fullname, $printed ) = 2977: &print_resources( $r, $helper, 'anonymous', $type, \%moreenv, 2978: \@master_seq, $flag_latex_header_remove, $LaTeXwidth ); 2979: $resources_printed .= ":"; 2980: $print_array[$file_num] .= $output; 2981: &Apache::lonhtmlcommon::Increment_PrgWin( $r, \%prog_state, 2982: &mt('last assignment') . ' ' . $fullname ); 2983: $flag_latex_header_remove = 'YES'; 2984: $count++; 2985: if ( &Apache::loncommon::connection_aborted($r) ) { last; } 2986: } 2987: &Apache::lonhtmlcommon::Close_PrgWin( $r, \%prog_state ); 2988: $result .= $print_array[0] . ' \end{document}'; 2989: } 2990: elsif ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory' ) { 2991: 2992: #prints selected problems from the subdirectory 2993: $selectionmade = 6; 2994: my @list_of_files = split /\|\|\|/, $helper->{'VARS'}->{'FILES'}; 2995: @list_of_files = sort @list_of_files; 2996: my $flag_latex_header_remove = 'NO'; 2997: my $rndseed = time; 2998: if ( $helper->{'VARS'}->{'curseed'} ) { 2999: $rndseed = $helper->{'VARS'}->{'curseed'}; 3000: } 3001: for ( my $i = 0 ; $i <= $#list_of_files ; $i++ ) { 3002: 3003: &Apache::lonenc::reset_enc(); 3004: 3005: my $urlp = $list_of_files[$i]; 3006: $urlp =~ s|//|/|; 3007: if ( $urlp =~ /\// ) { 3008: $form{'problem_split'} = $parmhash{'problem_stream_switch'}; 3009: $form{'rndseed'} = $rndseed; 3010: if ( $urlp =~ m|/home/([^/]+)/public_html| ) { 3011: $urlp =~ s|/home/([^/]*)/public_html|/~$1|; 3012: } 3013: else { 3014: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||; 3015: } 3016: $resources_printed .= $urlp . ':'; 3017: my $texversion = 3018: &ssi_with_retries( $urlp, $ssi_retry_count, %form ); 3019: if ( ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) 3020: || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' ) ) 3021: { 3022: 3023: # Don't permanently pervert %form: 3024: my %answerform = %form; 3025: $answerform{'grade_target'} = 'answer'; 3026: $answerform{'answer_output_mode'} = 'tex'; 3027: $answerform{'latex_type'} = 3028: $helper->{'VARS'}->{'LATEX_TYPE'}; 3029: $answerform{'rndseed'} = $rndseed; 3030: $resources_printed .= $urlp . ':'; 3031: my $answer = 3032: &ssi_with_retries( $urlp, $ssi_retry_count, %answerform ); 3033: 3034: if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) { 3035: $texversion =~ 3036: s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 3037: } 3038: else { 3039: $texversion = 3040: &print_latex_header( 3041: $helper->{'VARS'}->{'LATEX_TYPE'} ); 3042: if ( $helper->{'VARS'}->{'construction'} ne '1' ) { 3043: $texversion .= '\vskip 0 mm \noindent '; 3044: $texversion .= 3045: &path_to_problem( $urlp, $LaTeXwidth ); 3046: } 3047: else { 3048: $texversion .= 3049: '\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm '; 3050: my $URLpath = $urlp; 3051: $URLpath =~ s/~([^\/]+)/public_html\/$1\/$1/; 3052: $texversion .= 3053: &path_to_problem( $URLpath, $LaTeXwidth ); 3054: } 3055: $texversion .= 3056: '\vskip 1 mm ' . $answer . '\end{document}'; 3057: } 3058: } 3059: 3060: #this chunk is responsible for printing the path to problem 3061: 3062: my $newurlp = $urlp; 3063: if ( $newurlp =~ /~/ ) { 3064: $newurlp =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|; 3065: } 3066: $newurlp = &path_to_problem( $newurlp, $LaTeXwidth ); 3067: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/; 3068: if ( $flag_latex_header_remove ne 'NO' ) { 3069: $texversion = &latex_header_footer_remove($texversion); 3070: } 3071: else { 3072: $texversion =~ s/\\end{document}//; 3073: } 3074: if ( $helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes' ) { 3075: $texversion = &IndexCreation( $texversion, $urlp ); 3076: } 3077: if ( $helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes' ) { 3078: $texversion =~ 3079: s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /; 3080: 3081: } 3082: $result .= $texversion; 3083: } 3084: $flag_latex_header_remove = 'YES'; 3085: } 3086: if ( $helper->{VARS}->{'construction'} eq '1' ) { 3087: $result =~ s/(\\typeout)/ RANDOM SEED IS $rndseed $1/; 3088: } 3089: $result .= '\end{document}'; 3090: } 3091: 3092: #-------------------------------------------------------- corrections for the different page formats 3093: 3094: # Only post process if that has not been turned off e.g. by a raw latex resource. 3095: 3096: if ($do_postprocessing) { 3097: $result = &page_format_transformation( 3098: $papersize, 3099: $laystyle, 3100: $numberofcolumns, 3101: $helper->{'VARS'}->{'PRINT_TYPE'}, 3102: $result, 3103: $helper->{VARS}->{'assignment'}, 3104: $helper->{'VARS'}->{'TABLE_CONTENTS'}, 3105: $helper->{'VARS'}->{'TABLE_INDEX'}, 3106: $selectionmade 3107: ); 3108: $result = 3109: &latex_corrections( $number_of_columns, $result, $selectionmade, 3110: $helper->{'VARS'}->{'ANSWER_TYPE'} ); 3111: 3112: #if ($numberofcolumns == 1) { 3113: $result =~ 3114: s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /; 3115: $result =~ 3116: s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /; 3117: $result =~ 3118: s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; 3119: $result =~ 3120: s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; 3121: 3122: #} 3123: } 3124: 3125: # Set URLback if this is a construction space print so we can provide 3126: # a link to the resource being edited. 3127: # 3128: 3129: my $URLback = ''; #link to original document 3130: if ( $helper->{'VARS'}->{'construction'} eq '1' ) { 3131: 3132: #prints resource from the construction space 3133: $URLback = '/' . $helper->{'VARS'}->{'filename'}; 3134: if ( $URLback =~ /([^?]+)/ ) { 3135: $URLback = $1; 3136: $URLback =~ s|^/~|/priv/|; 3137: } 3138: } 3139: 3140: # 3141: # Final adjustment of the font size: 3142: # 3143: 3144: $result = set_font_size($result); 3145: 3146: #-- writing .tex file in prtspool 3147: my $temp_file; 3148: my $identifier = &Apache::loncommon::get_cgi_id(); 3149: my $filename = 3150: "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex"; 3151: if ( !( $#print_array > 0 ) ) { 3152: unless ( $temp_file = Apache::File->new( '>' . $filename ) ) { 3153: $r->log_error("Couldn't open $filename for output $!"); 3154: return SERVER_ERROR; 3155: } 3156: print $temp_file $result; 3157: my $begin = index( $result, '\begin{document}', 0 ); 3158: my $inc = substr( $result, 0, $begin + 16 ); 3159: } 3160: else { 3161: my $begin = index( $result, '\begin{document}', 0 ); 3162: my $inc = substr( $result, 0, $begin + 16 ); 3163: for ( my $i = 0 ; $i <= $#print_array ; $i++ ) { 3164: if ( $i == 0 ) { 3165: $print_array[$i] = $result; 3166: } 3167: else { 3168: $print_array[$i] .= '\end{document}'; 3169: $print_array[$i] = 3170: &latex_corrections( $number_of_columns, $print_array[$i], 3171: $selectionmade, $helper->{'VARS'}->{'ANSWER_TYPE'} ); 3172: 3173: my $anobegin = 3174: index( $print_array[$i], '\setcounter{page}', 0 ); 3175: substr( $print_array[$i], 0, $anobegin ) = ''; 3176: $print_array[$i] = $inc . $print_array[$i]; 3177: } 3178: my $temp_file; 3179: my $newfilename = $filename; 3180: my $num = $i + 1; 3181: $newfilename =~ s/\.tex$//; 3182: $newfilename = sprintf( "%s_%03d.tex", $newfilename, $num ); 3183: unless ( $temp_file = Apache::File->new( '>' . $newfilename ) ) { 3184: $r->log_error("Couldn't open $newfilename for output $!"); 3185: return SERVER_ERROR; 3186: } 3187: print $temp_file $print_array[$i]; 3188: } 3189: } 3190: my $student_names = ''; 3191: if ( $#print_array > 0 ) { 3192: for ( my $i = 0 ; $i <= $#print_array ; $i++ ) { 3193: $student_names .= $student_names[$i] . '_ENDPERSON_'; 3194: } 3195: } 3196: else { 3197: if ( $#student_names > -1 ) { 3198: $student_names = $student_names[0] . '_ENDPERSON_'; 3199: } 3200: else { 3201: my $fullname = &get_name( $env{'user.name'}, $env{'user.domain'} ); 3202: $student_names = join( ':', 3203: $env{'user.name'}, $env{'user.domain'}, 3204: $env{'request.course.sec'}, $fullname ) 3205: . '_ENDPERSON_' . '_END_'; 3206: } 3207: } 3208: 3209: # logic for now is too complex to trace if this has been defined 3210: # yet. 3211: my $cnum = $env{ 'course.' . $env{'request.course.id'} . '.num' }; 3212: my $cdom = $env{ 'course.' . $env{'request.course.id'} . '.domain' }; 3213: &Apache::lonnet::appenv( 3214: { 3215: 'cgi.' . $identifier . '.file' => $filename, 3216: 'cgi.' . $identifier . '.layout' => $laystyle, 3217: 'cgi.' . $identifier . '.numcol' => $numberofcolumns, 3218: 'cgi.' . $identifier . '.paper' => $papersize, 3219: 'cgi.' . $identifier . '.selection' => $selectionmade, 3220: 'cgi.' 3221: . $identifier 3222: . '.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'}, 3223: 'cgi.' 3224: . $identifier 3225: . '.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'}, 3226: 'cgi.' . $identifier . '.role' => $perm{'pav'}, 3227: 'cgi.' . $identifier . '.numberoffiles' => $#print_array, 3228: 'cgi.' . $identifier . '.studentnames' => $student_names, 3229: 'cgi.' . $identifier . '.backref' => $URLback, 3230: } 3231: ); 3232: &Apache::lonnet::appenv( 3233: { 3234: "cgi.$identifier.user" => $env{'user.name'}, 3235: "cgi.$identifier.domain" => $env{'user.domain'}, 3236: "cgi.$identifier.courseid" => $cnum, 3237: "cgi.$identifier.coursedom" => $cdom, 3238: "cgi.$identifier.resources" => $resources_printed 3239: } 3240: ); 3241: 3242: my $end_page = &Apache::loncommon::end_page(); 3243: my $continue_text = &mt('Continue'); 3244: 3245: # If there's been an unrecoverable SSI error, report it to the user 3246: if ($ssi_error) { 3247: my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk'); 3248: $r->print( 3249: '<br /><p class="LC_error">' 3250: . &mt('An unrecoverable network error occurred:') 3251: . '</p><p>' 3252: . &mt( 3253: 'At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:' 3254: ) 3255: . '<br />' 3256: . $ssi_last_error_resource 3257: . '<br />' 3258: . $ssi_last_error 3259: . '</p><p>' 3260: . &mt( 3261: '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.' 3262: ) 3263: . '<br />' 3264: . &mt( 3265: 'You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.' 3266: ) 3267: . '<br />' 3268: . &mt( 3269: 'If the error persists, please contact the [_1] for assistance.', 3270: $helpurl 3271: ) 3272: . '</p><p>' 3273: . &mt('We apologize for the inconvenience.') . '</p>' 3274: . '<a href="/cgi-bin/printout.pl?' 3275: . $identifier . '">' 3276: . $continue_text . '</a>' 3277: . $end_page 3278: ); 3279: } 3280: else { 3281: $r->print(<<FINALEND); 3282: <br /> 3283: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" /> 3284: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a> 3285: $end_page 3286: FINALEND 3287: } # endif ssi errors. 3288: } 3289: 3290: sub get_CODE { 3291: my ( $all_codes, $num, $seed, $size, $type ) = @_; 3292: my $max = '1' . '0' x $size; 3293: my $newcode; 3294: while (1) { 3295: $newcode = sprintf( "%0" . $size . "d", int( rand($max) ) ); 3296: if ( !exists( $$all_codes{$newcode} ) ) { 3297: $$all_codes{$newcode} = 1; 3298: if ( $type eq 'number' ) { 3299: return $newcode; 3300: } 3301: else { 3302: return &num_to_letters($newcode); 3303: } 3304: } 3305: } 3306: } 3307: 3308: sub print_resources { 3309: my ( $r, $helper, $person, $type, $moreenv, $master_seq, 3310: $remove_latex_header, $LaTeXwidth ) 3311: = @_; 3312: my $current_output = ''; 3313: my $printed = ''; 3314: my ( $username, $userdomain, $usersection ) = split /:/, $person; 3315: my $fullname = &get_name( $username, $userdomain ); 3316: my $namepostfix = 3317: "\\\\"; # Both anon and not anon should get the same vspace. 3318: if ( $person =~ 'anon' ) { 3319: $namepostfix .= "Name: "; 3320: $fullname = "CODE - " . $moreenv->{'CODE'}; 3321: } 3322: 3323: # Fullname may have special latex characters that need \ prefixing: 3324: # 3325: 3326: my $i = 0; 3327: 3328: #goes through all resources, checks if they are available for 3329: #current student, and produces output 3330: 3331: &Apache::lonxml::clear_problem_counter(); 3332: my %page_breaks = &get_page_breaks($helper); 3333: my $columns_in_format = ( split( /\|/, $helper->{'VARS'}->{'FORMAT'} ) )[1]; 3334: 3335: # 3336: # end each student with a 3337: # Special that allows the post processor to even out the page 3338: # counts later. Nasty problem this... it would be really 3339: # nice to put the special in as a postscript comment 3340: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately, 3341: # The special gets passed the \ and dvips puts it in the output file 3342: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the 3343: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself. 3344: # 3345: my $syllabus_first = 0; 3346: foreach my $curresline ( @{$master_seq} ) { 3347: if ( defined $page_breaks{$curresline} ) { 3348: if ( $i != 0 ) { 3349: $current_output .= "\\newpage\n"; 3350: } 3351: } 3352: $current_output .= &get_extra_vspaces( $helper, $curresline ); 3353: $i++; 3354: 3355: if ( 3356: !( 3357: $type eq 'problems' 3358: && ( $curresline !~ 3359: m/\.(problem|exam|quiz|assess|survey|form|library)$/ ) 3360: ) 3361: ) 3362: { 3363: my ( $map, $id, $res_url ) = 3364: &Apache::lonnet::decode_symb($curresline); 3365: if ( &Apache::lonnet::allowed( 'bre', $res_url ) ) { 3366: if ( $res_url !~ m|^ext/| 3367: && $res_url =~ 3368: /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/ 3369: ) 3370: { 3371: $printed .= $curresline . ':'; 3372: &Apache::lonxml::remember_problem_counter(); 3373: 3374: my $rendered = 3375: &get_student_view_with_retries( $curresline, 3376: $ssi_retry_count, $username, $userdomain, 3377: $env{'request.course.id'}, 3378: 'tex', $moreenv ); 3379: if ( ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) 3380: || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' ) ) 3381: { 3382: 3383: # Use a copy of the hash so we don't pervert it on future loop passes. 3384: my %answerenv = %{$moreenv}; 3385: $answerenv{'answer_output_mode'} = 'tex'; 3386: $answerenv{'latex_type'} = 3387: $helper->{'VARS'}->{'LATEX_TYPE'}; 3388: 3389: &Apache::lonxml::restore_problem_counter(); 3390: 3391: my $ansrendered = 3392: &Apache::loncommon::get_student_answers( $curresline, 3393: $username, $userdomain, $env{'request.course.id'}, 3394: %answerenv ); 3395: 3396: if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) { 3397: $rendered =~ 3398: s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/; 3399: } 3400: else { 3401: 3402: my $header = 3403: &print_latex_header( 3404: $helper->{'VARS'}->{'LATEX_TYPE'} ); 3405: $header =~ s/\\begin{document}//; #<<<<< 3406: my $title = &Apache::lonnet::gettitle($curresline); 3407: $title = 3408: &Apache::lonxml::latex_special_symbols($title); 3409: my $body = 3410: '\vskip 0 mm \noindent\textbf{' 3411: . $title 3412: . '}\vskip 0 mm '; 3413: $body .= &path_to_problem( $res_url, $LaTeXwidth ); 3414: $body .= '\vskip 1 mm ' . $ansrendered; 3415: $body = &encapsulate_minipage($body); 3416: $rendered = $header . $body; 3417: } 3418: } 3419: if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) { 3420: my $url = &Apache::lonnet::clutter($res_url); 3421: my $annotation = &annotate($url); 3422: $rendered =~ 3423: s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/; 3424: } 3425: my $junk; 3426: if ( $remove_latex_header eq 'YES' ) { 3427: $rendered = &latex_header_footer_remove($rendered); 3428: } 3429: else { 3430: $rendered =~ s/\\end{document}//; 3431: } 3432: $current_output .= $rendered; 3433: } 3434: elsif ( 3435: $res_url =~ /\/(smppg|syllabus|aboutme|bulletinboard)$/ ) 3436: { 3437: if ( $i == 1 ) { 3438: $syllabus_first = 1; 3439: } 3440: $printed .= $curresline . ':'; 3441: my $rendered = 3442: &get_student_view_with_retries( $curresline, 3443: $ssi_retry_count, $username, $userdomain, 3444: $env{'request.course.id'}, 3445: 'tex', $moreenv ); 3446: if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) { 3447: my $url = &Apache::lonnet::clutter($res_url); 3448: my $annotation = &annotate($url); 3449: $annotation =~ s/(\\end{document})/$annotation$1/; 3450: } 3451: if ( $remove_latex_header eq 'YES' ) { 3452: $rendered = &latex_header_footer_remove($rendered); 3453: } 3454: else { 3455: $rendered =~ s/\\end{document}//; 3456: } 3457: $current_output .= $rendered 3458: . '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut '; 3459: } 3460: elsif ( $res_url = ~/\.pdf$/ ) { 3461: my $url = &Apache::lonnet::clutter($res_url); 3462: my $rendered = &include_pdf($url); 3463: if ( $remove_latex_header ne 'NO' ) { 3464: $rendered = &latex_header_footer_remove($rendered); 3465: } 3466: $current_output .= $rendered; 3467: } 3468: else { 3469: my $rendered = 3470: &unsupported( $res_url, $helper->{'VARS'}->{'LATEX_TYPE'}, 3471: $curresline ); 3472: if ( $remove_latex_header ne 'NO' ) { 3473: $rendered = &latex_header_footer_remove($rendered); 3474: } 3475: else { 3476: $rendered =~ s/\\end{document}//; 3477: } 3478: $current_output .= $rendered; 3479: } 3480: } 3481: $remove_latex_header = 'YES'; 3482: } 3483: if ( &Apache::loncommon::connection_aborted($r) ) { last; } 3484: } 3485: 3486: my $courseidinfo = &get_course(); 3487: my $currentassignment = 3488: &Apache::lonxml::latex_special_symbols( $helper->{VARS}->{'assignment'}, 3489: 'header' ); 3490: my $header_line = 3491: &format_page_header( $LaTeXwidth, $parmhash{'print_header_format'}, 3492: $currentassignment, $courseidinfo, $fullname, $usersection ); 3493: my $header_start = 3494: ( $columns_in_format == 1 ) 3495: ? '\lhead' 3496: : '\fancyhead[LO]'; 3497: $header_line = $header_start . '{' . $header_line . '}'; 3498: if ( $current_output =~ /\\documentclass/ && ( !$syllabus_first ) ) { 3499: $current_output =~ 3500: s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /; 3501: } 3502: elsif ($syllabus_first) { 3503: 3504: $current_output =~ s/\\\\ Last updated:/Last updated:/; 3505: } 3506: else { 3507: my $blankpages = 3508: '\clearpage\strut\clearpage' x $helper->{'VARS'}->{'EMPTY_PAGES'}; 3509: 3510: $current_output = 3511: '\strut\vspace*{-6 mm}\\newline' 3512: . &copyright_line() 3513: . ' \newpage ' 3514: . $blankpages 3515: . $end_of_student 3516: . '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent' 3517: . $header_line 3518: . $namepostfix 3519: . '} \vskip 5 mm ' 3520: . $current_output; 3521: } 3522: 3523: # 3524: # Close the student bracketing. 3525: # 3526: return ( $current_output, $fullname, $printed ); 3527: 3528: } 3529: 3530: sub handler { 3531: 3532: my $r = shift; 3533: 3534: &init_perm(); 3535: 3536: my $helper = printHelper($r); 3537: if ( !ref($helper) ) { 3538: return $helper; 3539: } 3540: 3541: %parmhash = &Apache::lonnet::coursedescription( $env{'request.course.id'} ); 3542: 3543: # If a figure conversion queue file exists for this user.domain 3544: # we delete it since it can only be bad (if it were good, printout.pl 3545: # would have deleted it the last time around. 3546: 3547: my $conversion_queuefile = 3548: "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat"; 3549: if ( -e $conversion_queuefile ) { 3550: unlink $conversion_queuefile; 3551: } 3552: 3553: &output_data( $r, $helper, \%parmhash ); 3554: return OK; 3555: } 3556: 3557: use Apache::lonhelper; 3558: 3559: sub addMessage { 3560: my $text = shift; 3561: my $paramHash = Apache::lonhelper::getParamHash(); 3562: $paramHash->{MESSAGE_TEXT} = $text; 3563: Apache::lonhelper::message->new(); 3564: } 3565: 3566: sub init_perm { 3567: undef(%perm); 3568: $perm{'pav'} = &Apache::lonnet::allowed( 'pav', $env{'request.course.id'} ); 3569: if ( !$perm{'pav'} ) { 3570: $perm{'pav'} = 3571: &Apache::lonnet::allowed( 'pav', 3572: $env{'request.course.id'} . '/' . $env{'request.course.sec'} ); 3573: } 3574: $perm{'pfo'} = &Apache::lonnet::allowed( 'pfo', $env{'request.course.id'} ); 3575: if ( !$perm{'pfo'} ) { 3576: $perm{'pfo'} = 3577: &Apache::lonnet::allowed( 'pfo', 3578: $env{'request.course.id'} . '/' . $env{'request.course.sec'} ); 3579: } 3580: } 3581: 3582: sub get_randomly_ordered_warning { 3583: my ( $helper, $map ) = @_; 3584: 3585: my $message; 3586: 3587: my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'}; 3588: my $navmap = Apache::lonnavmaps::navmap->new(); 3589: if ( defined($navmap) ) { 3590: my $res = $navmap->getResourceByUrl($map); 3591: if ($res) { 3592: my $func = 3593: sub { return ( $_[0]->is_map() && $_[0]->randomorder ); }; 3594: my @matches = $navmap->retrieveResources( $res, $func, 1, 1, 1 ); 3595: if (@matches) { 3596: $message = 3597: "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order."; 3598: } 3599: } 3600: if ($message) { 3601: return '<message type="warning">' . $message . '</message>'; 3602: } 3603: } 3604: else { 3605: $message = 3606: "Retrieval of information about ordering of resources failed."; 3607: return '<message type="warning">' . $message . '</message>'; 3608: } 3609: return; 3610: } 3611: 3612: sub printHelper { 3613: my $r = shift; 3614: 3615: if ( $r->header_only ) { 3616: if ( $env{'browser.mathml'} ) { 3617: &Apache::loncommon::content_type( $r, 'text/xml' ); 3618: } 3619: else { 3620: &Apache::loncommon::content_type( $r, 'text/html' ); 3621: } 3622: $r->send_http_header; 3623: return OK; 3624: } 3625: 3626: # Send header, nocache 3627: if ( $env{'browser.mathml'} ) { 3628: &Apache::loncommon::content_type( $r, 'text/xml' ); 3629: } 3630: else { 3631: &Apache::loncommon::content_type( $r, 'text/html' ); 3632: } 3633: &Apache::loncommon::no_cache($r); 3634: $r->send_http_header; 3635: $r->rflush(); 3636: 3637: # Unfortunately, this helper is so complicated we have to 3638: # write it by hand 3639: 3640: Apache::loncommon::get_unprocessed_cgi( $ENV{QUERY_STRING} ); 3641: 3642: my $helper = Apache::lonhelper::helper->new("Printing Helper"); 3643: $helper->declareVar('symb'); 3644: $helper->declareVar('postdata'); 3645: $helper->declareVar('curseed'); 3646: $helper->declareVar('probstatus'); 3647: $helper->declareVar('filename'); 3648: $helper->declareVar('construction'); 3649: $helper->declareVar('assignment'); 3650: $helper->declareVar('style_file'); 3651: $helper->declareVar('student_sort'); 3652: $helper->declareVar('FINISHPAGE'); 3653: $helper->declareVar('PRINT_TYPE'); 3654: $helper->declareVar("showallfoils"); 3655: $helper->declareVar("STUDENTS"); 3656: $helper->declareVar("EXTRASPACE"); 3657: 3658: # The page breaks and extra spaces 3659: # can get loaded initially from the course environment: 3660: # But we only do this in the initial state so that they are allowed to change. 3661: # 3662: 3663: &Apache::loncommon::restore_course_settings( 3664: 'print', 3665: { 3666: 'pagebreaks' => 'scalar', 3667: 'extraspace' => 'scalar', 3668: 'extraspace_units' => 'scalar', 3669: 'lastprinttype' => 'scalar' 3670: } 3671: ); 3672: 3673: # This will persistently load in the data we want from the 3674: # very first screen. 3675: 3676: if ( $helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'} ) { 3677: if ( !defined( $env{"form.CURRENT_STATE"} ) ) { 3678: 3679: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'}; 3680: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'}; 3681: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'}; 3682: } 3683: else { 3684: my $state = $env{"form.CURRENT_STATE"}; 3685: if ( $state eq "START" ) { 3686: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'}; 3687: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'}; 3688: $helper->{VARS}->{EXTRASPACE_UNITS} = 3689: $env{'form.extraspace_units'}; 3690: 3691: } 3692: } 3693: 3694: } 3695: 3696: # Detect whether we're coming from construction space. If so, 3697: # $helper->{VARS}->{'construction'} will be defined and true. 3698: # Otherwise, if this is a post, load the helper 'postdata' var with 3699: # the posted form data. 3700: 3701: if ( 3702: $env{'form.postdata'} =~ /^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/ ) 3703: { 3704: $helper->{VARS}->{'filename'} = "~$1/$2"; 3705: $helper->{VARS}->{'construction'} = 1; 3706: } 3707: else { 3708: if ( $env{'form.postdata'} ) { 3709: $helper->{VARS}->{'symb'} = 3710: &Apache::lonnet::symbread( $env{'form.postdata'} ); 3711: if ( $helper->{VARS}->{'symb'} eq '' ) { 3712: $helper->{VARS}->{'postdata'} = $env{'form.postdata'}; 3713: } 3714: } 3715: if ( $env{'form.symb'} ) { 3716: $helper->{VARS}->{'symb'} = $env{'form.symb'}; 3717: } 3718: if ( $env{'form.url'} ) { 3719: $helper->{VARS}->{'symb'} = 3720: &Apache::lonnet::symbread( $helper->{VARS}->{'postdata'} ); 3721: } 3722: 3723: } 3724: 3725: if ( $env{'form.symb'} ) { 3726: $helper->{VARS}->{'symb'} = $env{'form.symb'}; 3727: } 3728: if ( $env{'form.url'} ) { 3729: $helper->{VARS}->{'symb'} = 3730: &Apache::lonnet::symbread( $helper->{VARS}->{'postdata'} ); 3731: 3732: } 3733: $helper->{VARS}->{'symb'} = 3734: &Apache::lonenc::check_encrypt( $helper->{VARS}->{'symb'} ); 3735: my ( $resourceTitle, $sequenceTitle, $mapTitle ) = 3736: &details_for_menu($helper); 3737: if ( $sequenceTitle ne '' ) { 3738: $helper->{VARS}->{'assignment'} = $sequenceTitle; 3739: } 3740: 3741: # Extract map 3742: my $symb = $helper->{VARS}->{'symb'}; 3743: my ( $map, $id, $url ); 3744: my $subdir; 3745: my $is_published = 0; # True when printing from resource space. 3746: 3747: # Get the resource name from construction space 3748: if ( $helper->{VARS}->{'construction'} ) { 3749: $resourceTitle = substr( $helper->{VARS}->{'filename'}, 3750: rindex( $helper->{VARS}->{'filename'}, '/' ) + 1 ); 3751: $subdir = substr( $helper->{VARS}->{'filename'}, 3752: 0, rindex( $helper->{VARS}->{'filename'}, '/' ) + 1 ); 3753: } 3754: else { 3755: 3756: # From course space: 3757: 3758: if ( $symb ne '' ) { 3759: ( $map, $id, $url ) = &Apache::lonnet::decode_symb($symb); 3760: $helper->{VARS}->{'postdata'} = 3761: &Apache::lonenc::check_encrypt( &Apache::lonnet::clutter($url) ); 3762: } 3763: else { 3764: $url = $helper->{VARS}->{'postdata'}; 3765: $is_published = 1; # From resource space. 3766: } 3767: $url = &Apache::lonnet::clutter($url); 3768: if ( !$resourceTitle ) 3769: { # if the resource doesn't have a title, use the filename 3770: my $postdata = $helper->{VARS}->{'postdata'}; 3771: $resourceTitle = substr( $postdata, rindex( $postdata, '/' ) + 1 ); 3772: } 3773: $subdir = &Apache::lonnet::filelocation( "", $url ); 3774: } 3775: if ( !$helper->{VARS}->{'curseed'} && $env{'form.curseed'} ) { 3776: $helper->{VARS}->{'curseed'} = $env{'form.curseed'}; 3777: } 3778: if ( !$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'} ) { 3779: $helper->{VARS}->{'probstatus'} = $env{'form.problemstatus'}; 3780: } 3781: 3782: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser(); 3783: 3784: Apache::lonhelper::registerHelperTags(); 3785: 3786: # "Delete everything after the last slash." 3787: $subdir =~ s|/[^/]+$||; 3788: 3789: # What can be printed is a very dynamic decision based on 3790: # lots of factors. So we need to dynamically build this list. 3791: # To prevent security leaks, states are only added to the wizard 3792: # if they can be reached, which ensures manipulating the form input 3793: # won't allow anyone to reach states they shouldn't have permission 3794: # to reach. 3795: 3796: # printChoices is tracking the kind of printing the user can 3797: # do, and will be used in a choices construction later. 3798: # In the meantime we will be adding states and elements to 3799: # the helper by hand. 3800: my $printChoices = []; 3801: my $paramHash; 3802: 3803: if ($resourceTitle) { 3804: push @{$printChoices}, 3805: [ 3806: "<b><i>$resourceTitle</i></b> (" 3807: . &mt('the resource you just saw on the screen') . ")", 3808: 'current_document', 'PAGESIZE' 3809: ]; 3810: } 3811: 3812: # Useful filter strings 3813: $isProblem = 3814: '($res->is_problem()||$res->contains_problem||$res->is_practice()) '; 3815: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden; 3816: $isProblemOrMap = 3817: '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice()'; 3818: $isNotMap = '!$res->is_sequence()'; 3819: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden; 3820: $isMap = '$res->is_map()'; 3821: $symbFilter = '$res->shown_symb()'; 3822: 3823: my $urlValue = '$res->link()'; 3824: 3825: $helper->declareVar('SEQUENCE'); 3826: 3827: # If we're in a sequence... 3828: 3829: my $start_new_option; 3830: if ( $perm{'pav'} ) { 3831: $start_new_option = 3832: "<option text='" 3833: . &mt('Start new page<br />before selected') 3834: . "' variable='FINISHPAGE' />" 3835: . "<option text='" 3836: . &mt('Extra space<br />before selected') 3837: . "' variable='EXTRASPACE' type='text' />" 3838: . "<option " 3839: . "' variable='POSSIBLE_RESOURCES' type='hidden' />" 3840: . "<option text='" 3841: . &mt('Space units<br />check for mm') 3842: . "' variable='EXTRASPACE_UNITS' type='checkbox' />"; 3843: 3844: } 3845: 3846: # If not construction space user can print the components of a page: 3847: 3848: my $page_ispage; 3849: my $page_title; 3850: if ( !$helper->{VARS}->{'construction'} ) { 3851: my $varspostdata = $helper->{VARS}->{'postdata'}; 3852: my $varsassignment = $helper->{VARS}->{'assignment'}; 3853: my $page_navmap = Apache::lonnavmaps::navmap->new(); 3854: if ( defined($page_navmap) ) { 3855: my @page_resources = $page_navmap->retrieveResources($url); 3856: if ( defined( $page_resources[0] ) ) { 3857: $page_ispage = $page_resources[0]->is_page(); 3858: $page_title = $page_resources[0]->title(); 3859: my $resourcesymb = $page_resources[0]->symb(); 3860: my ( $pagemap, $pageid, $pageurl ) = 3861: &Apache::lonnet::decode_symb($symb); 3862: if ($page_ispage) { 3863: push @{$printChoices}, 3864: [ 3865: &mt( 3866: 'Selected [_1]Problems[_2] from page [_3]', 3867: '<b>', '</b>', '<b><i>' . $page_title . '</i></b>' 3868: ), 3869: 'map_problems_in_page', 3870: 'CHOOSE_PROBLEMS_PAGE' 3871: ]; 3872: push @{$printChoices}, 3873: [ 3874: &mt( 3875: 'Selected [_1]Resources[_2] from page [_3]', 3876: '<b>', '</b>', '<b><i>' . $page_title . '</i></b>' 3877: ), 3878: 'map_resources_in_page', 3879: 'CHOOSE_RESOURCES_PAGE' 3880: ]; 3881: } 3882: my $helperFragment = &generate_resource_chooser( 3883: 'CHOOSE_PROBLEMS_PAGE', 3884: 'Select Problem(s) to print', 3885: "multichoice='1' toponly='1' addstatus='1' closeallpages='1'", 3886: 'RESOURCES', 3887: 'PAGESIZE', 3888: $url, 3889: $isProblem, 3890: '', 3891: $symbFilter, 3892: $start_new_option 3893: ); 3894: 3895: $helperFragment .= &generate_resource_chooser( 3896: 'CHOOSE_RESOURCES_PAGE', 3897: 'Select Resource(s) to print', 3898: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"', 3899: 'RESOURCES', 3900: 'PAGESIZE', 3901: $url, 3902: $isNotMap, 3903: '', 3904: $symbFilter, 3905: $start_new_option 3906: ); 3907: 3908: &Apache::lonxml::xmlparse( $r, 'helper', $helperFragment ); 3909: 3910: } 3911: } 3912: } 3913: 3914: if ( ( $helper->{'VAR'}->{'construction'} ne '1' ) 3915: && $helper->{VARS}->{'postdata'} 3916: && $helper->{VARS}->{'assignment'} ) 3917: { 3918: 3919: # Allow problems from sequence 3920: push @{$printChoices}, 3921: [ 3922: &mt( 3923: 'Selected [_1]Problems[_2] from folder [_3]', 3924: '<b>', '</b>', '<b><i>' . $sequenceTitle . '</i></b>' 3925: ), 3926: 'map_problems', 3927: 'CHOOSE_PROBLEMS' 3928: ]; 3929: 3930: # Allow all resources from sequence 3931: push @{$printChoices}, 3932: [ 3933: &mt( 3934: 'Selected [_1]Resources[_2] from folder [_3]', 3935: '<b>', '</b>', '<b><i>' . $sequenceTitle . '</i></b>' 3936: ), 3937: 'map_problems_pages', 3938: 'CHOOSE_PROBLEMS_HTML' 3939: ]; 3940: my $helperFragment = &generate_resource_chooser( 3941: 'CHOOSE_PROBLEMS', 3942: 'Select Problem(s) to print', 3943: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"', 3944: 'RESOURCES', 3945: 'PAGESIZE', 3946: $map, 3947: $isProblem, 3948: '', 3949: $symbFilter, 3950: $start_new_option 3951: ); 3952: $helperFragment .= &generate_resource_chooser( 3953: 'CHOOSE_PROBLEMS_HTML', 3954: 'Select Resource(s) to print', 3955: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"', 3956: 'RESOURCES', 3957: 'PAGESIZE', 3958: $map, 3959: $isNotMap, 3960: '', 3961: $symbFilter, 3962: $start_new_option 3963: ); 3964: 3965: &Apache::lonxml::xmlparse( $r, 'helper', $helperFragment ); 3966: } 3967: 3968: # If the user has pfo (print for others) allow them to print all 3969: # problems and resources in the entire course, optionally for selected students 3970: my $post_data = $helper->{VARS}->{'postdata'}; 3971: if ( 3972: $perm{'pfo'} 3973: && !$is_published 3974: && ( $post_data =~ /\/res\// 3975: || $post_data =~ /\/(syllabus|smppg|aboutme|bulletinboard)$/ ) 3976: ) 3977: { 3978: 3979: push @{$printChoices}, 3980: [ 3981: &mtn('Selected <b>Problems</b> from <b>entire course</b>'), 3982: 'all_problems', 'ALL_PROBLEMS' 3983: ]; 3984: push @{$printChoices}, 3985: [ 3986: &mtn('Selected <b>Resources</b> from <b>entire course</b>'), 3987: 'all_resources', 'ALL_RESOURCES' 3988: ]; 3989: push @{$printChoices}, 3990: [ 3991: &mtn( 3992: 'Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>' 3993: ), 3994: 'all_problems_students', 3995: 'ALL_PROBLEMS_STUDENTS' 3996: ]; 3997: my $suffixXml = <<ALL_PROBLEMS; 3998: <state name="STUDENTS1" title="Select People"> 3999: <message><b>Select sorting order of printout</b> </message> 4000: <choices variable='student_sort'> 4001: <choice computer='0'>Sort by section then student</choice> 4002: <choice computer='1'>Sort by students across sections.</choice> 4003: </choices> 4004: <message><br /><hr /><br /> </message> 4005: <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/> 4006: </state> 4007: ALL_PROBLEMS 4008: # 4009: # Support printing incompleteproblems.: 4010: # 4011: push @{$printChoices}, 4012: [ 4013: &mtn('Incomplete <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'), 4014: 'incomplete_problems_students', 4015: 'INCOMPLETE_PROBLEMS_STUDENTS' 4016: ]; 4017: 4018: &Apache::lonxml::xmlparse( 4019: $r, 'helper', 4020: &generate_incomplete_states($helper, $map, 4021: 'INCOMPLETE_PROBLEMS_STUDENTS') 4022: 4023: .&generate_resource_chooser( 4024: 'ALL_PROBLEMS', 4025: 'SelectProblem(s) to print', 4026: 'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"', 4027: 'RESOURCES', 4028: 'PAGESIZE', 4029: '', 4030: $isProblemOrMap, 4031: $isNotMap, 4032: $symbFilter, 4033: $start_new_option 4034: ) 4035: . &generate_resource_chooser( 4036: 'ALL_RESOURCES', 4037: 'Select Resource(s) to print', 4038: " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'", 4039: 'RESOURCES', 4040: 'PAGESIZE', 4041: '', 4042: $isNotMap, 4043: '', 4044: $symbFilter, 4045: $start_new_option 4046: ) 4047: . &generate_resource_chooser( 4048: 'ALL_PROBLEMS_STUDENTS', 4049: 'Select Problem(s) to print', 4050: 'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"', 4051: 'RESOURCES', 4052: 'STUDENTS1', 4053: '', 4054: $isProblemOrMap, 4055: '', 4056: $symbFilter, 4057: $start_new_option 4058: ) 4059: . $suffixXml 4060: ); 4061: 4062: if ( $helper->{VARS}->{'assignment'} ) { 4063: 4064: # If we were looking at a page, allow a selection of problems from the page 4065: # either for selected students or for coded assignments. 4066: 4067: if ($page_ispage) { 4068: push @{$printChoices}, 4069: [ 4070: &mt( 4071: 'Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]', 4072: '<b>', 4073: '</b>', 4074: '<b><i>' . $page_title . '</i></b>', 4075: '<b>', 4076: '</b>' 4077: ), 4078: 'problems_for_students_from_page', 4079: 'CHOOSE_TGT_STUDENTS_PAGE' 4080: ]; 4081: push @{$printChoices}, 4082: [ 4083: &mt( 4084: 'Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]', 4085: '<b>', 4086: '</b>', 4087: '<b><i>' . $page_title . '</i></b>', 4088: '<b>', 4089: '</b>' 4090: ), 4091: 'problems_for_anon_page', 4092: 'CHOOSE_ANON1_PAGE' 4093: ]; 4094: } 4095: push @{$printChoices}, 4096: [ 4097: &mt( 4098: 'Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]', 4099: '<b>', 4100: '</b>', 4101: '<b><i>' . $sequenceTitle . '</i></b>', 4102: '<b>', 4103: '</b>' 4104: ), 4105: 'problems_for_students', 4106: 'CHOOSE_STUDENTS' 4107: ]; 4108: push @{$printChoices}, 4109: [ 4110: &mt( 4111: 'Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]', 4112: '<b>', 4113: '</b>', 4114: '<b><i>' . $sequenceTitle . '</i></b>', 4115: '<b>', 4116: '</b>' 4117: ), 4118: 'problems_for_anon', 4119: 'CHOOSE_ANON1' 4120: ]; 4121: } 4122: 4123: my $randomly_ordered_warning = 4124: &get_randomly_ordered_warning( $helper, $map ); 4125: 4126: # resource_selector will hold a few states that: 4127: # - Allow resources to be selected for printing. 4128: # - Determine pagination between assignments. 4129: # - Determine how many assignments should be bundled into a single PDF. 4130: # TODO: 4131: # Probably good to do things like separate this up into several vars, each 4132: # with one state, and use REGEXPs at inclusion time to set state names 4133: # and next states for better mix and match capability 4134: # 4135: my $resource_selector = &generate_resource_chooser( 4136: 'SELECT_PROBLEMS', 4137: 'Select resources to print', 4138: 'multichoice="1" addstatus="1" closeallpages="1"', 4139: 'RESOURCES', 4140: 'PRINT_FORMATTING', 4141: $map, 4142: $isProblem, 4143: '', 4144: $symbFilter, 4145: $start_new_option 4146: ); 4147: $resource_selector .= <<RESOURCE_SELECTOR; 4148: <state name="PRINT_FORMATTING" title="How should results be printed?"> 4149: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message> 4150: <choices variable="EMPTY_PAGES"> 4151: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice> 4152: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice> 4153: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice> 4154: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice> 4155: </choices> 4156: <nextstate>PAGESIZE</nextstate> 4157: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message> 4158: <choices variable="SPLIT_PDFS"> 4159: <choice computer="all">All assignments in a single PDF file</choice> 4160: <choice computer="sections">Each PDF contains exactly one section</choice> 4161: <choice computer="oneper">Each PDF contains exactly one assignment</choice> 4162: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT"> 4163: Specify the number of assignments per PDF:</choice> 4164: </choices> 4165: </state> 4166: RESOURCE_SELECTOR 4167: $resource_selector .= &generate_resource_chooser( 4168: 'CHOOSE_STUDENTS_PAGE', 4169: 'Select Problem(s) to print', 4170: "multichoice='1' addstatus='1' closeallpages ='1'", 4171: 'RESOURCES', 4172: 'PRINT_FORMATTING', 4173: $url, 4174: $isProblem, 4175: '', 4176: $symbFilter, 4177: $start_new_option 4178: ); 4179: 4180: # Generate student choosers. 4181: 4182: &Apache::lonxml::xmlparse( 4183: $r, 'helper', 4184: &generate_student_chooser( 4185: 'CHOOSE_TGT_STUDENTS_PAGE', 'student_sort', 4186: 'STUDENTS', 'CHOOSE_STUDENTS_PAGE' 4187: ) 4188: ); 4189: &Apache::lonxml::xmlparse( 4190: $r, 'helper', 4191: &generate_student_chooser( 4192: 'CHOOSE_STUDENTS', 'student_sort', 4193: 'STUDENTS', 'SELECT_PROBLEMS' 4194: ) 4195: ); 4196: &Apache::lonxml::xmlparse( $r, 'helper', $resource_selector ); 4197: 4198: my $cdom = $env{ 'course.' . $env{'request.course.id'} . '.domain' }; 4199: my $cnum = $env{ 'course.' . $env{'request.course.id'} . '.num' }; 4200: my @names = &Apache::lonnet::getkeys( 'CODEs', $cdom, $cnum ); 4201: my $namechoice = '<choice></choice>'; 4202: foreach my $name ( sort { uc($a) cmp uc($b) } @names ) { 4203: if ( $name =~ /^error: 2 / ) { next; } 4204: if ( $name =~ /^type\0/ ) { next; } 4205: $namechoice .= 4206: '<choice computer="' . $name . '">' . $name . '</choice>'; 4207: } 4208: 4209: my %code_values; 4210: my %codes_to_print; 4211: foreach my $key (@names) { 4212: %code_values = &Apache::grades::get_codes( $key, $cdom, $cnum ); 4213: foreach my $key ( keys(%code_values) ) { 4214: $codes_to_print{$key} = 1; 4215: } 4216: } 4217: 4218: my $code_selection; 4219: foreach 4220: my $code ( sort { uc($a) cmp uc($b) } ( keys(%codes_to_print) ) ) 4221: { 4222: my $choice = $code; 4223: if ( $code =~ /^[A-Z]+$/ ) { # Alpha code 4224: $choice = &letters_to_num($code); 4225: } 4226: push( @{ $helper->{DATA}{ALL_CODE_CHOICES} }, [ $code, $choice ] ); 4227: } 4228: if (%codes_to_print) { 4229: $code_selection .= ' 4230: <message><b>Choose single CODE from list:</b></message> 4231: <message></td><td></message> 4232: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0"> 4233: <choice></choice> 4234: <exec> 4235: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}}); 4236: </exec> 4237: </dropdown> 4238: <message></td></tr><tr><td></message> 4239: ' . $/; 4240: 4241: } 4242: 4243: my @lines = &Apache::grades::get_scantronformat_file(); 4244: my $codechoice = ''; 4245: foreach my $line (@lines) { 4246: my ( $name, $description, $code_type, $code_length ) = 4247: ( split( /:/, $line ) )[ 0, 1, 2, 4 ]; 4248: if ( $code_length > 0 4249: && $code_type =~ /^(letter|number|-1)/ ) 4250: { 4251: $codechoice .= 4252: '<choice computer="' 4253: . $name . '">' 4254: . $description 4255: . '</choice>'; 4256: } 4257: } 4258: if ( $codechoice eq '' ) { 4259: $codechoice = '<choice computer="default">Default</choice>'; 4260: } 4261: my $anon1 = 4262: &generate_code_selector( $helper, 'CHOOSE_ANON1', 'SELECT_PROBLEMS', 4263: $codechoice, $code_selection, $namechoice ) 4264: . $resource_selector; 4265: 4266: &Apache::lonxml::xmlparse( $r, 'helper', $anon1 ); 4267: 4268: my $anon_page = 4269: &generate_code_selector( $helper, 'CHOOSE_ANON1_PAGE', 4270: 'SELECT_PROBLEMS_PAGE', $codechoice, $code_selection, $namechoice ) 4271: . &generate_resource_chooser( 4272: 'SELECT_PROBLEMS_PAGE', 4273: 'Select Problem(s) to print', 4274: "multichoice='1' addstatus='1' closeallpages ='1'", 4275: 'RESOURCES', 4276: 'PRINT_FORMATTING', 4277: $url, 4278: $isProblem, 4279: '', 4280: $symbFilter, 4281: $start_new_option 4282: ); 4283: &Apache::lonxml::xmlparse( $r, 'helper', $anon_page ); 4284: 4285: if ( $helper->{VARS}->{'assignment'} ) { 4286: push @{$printChoices}, 4287: [ 4288: &mt( 4289: 'Selected [_1]Resources[_2] from folder [_3] for [_4]selected people[_5]', 4290: '<b>', 4291: '</b>', 4292: '<b><i>' . $sequenceTitle . '</i></b>', 4293: '<b>', 4294: '</b>' 4295: ), 4296: 'resources_for_students', 4297: 'CHOOSE_STUDENTS1' 4298: ]; 4299: push @{$printChoices}, 4300: [ 4301: &mt( 4302: 'Selected [_1]Resources[_2] from folder [_3] for [_4]CODEd assignments[_5]', 4303: '<b>', 4304: '</b>', 4305: '<b><i>' . $sequenceTitle . '</i></b>', 4306: '<b>', 4307: '</b>' 4308: ), 4309: 'resources_for_anon', 4310: 'CHOOSE_ANON2' 4311: ]; 4312: } 4313: 4314: $resource_selector = <<RESOURCE_SELECTOR; 4315: <state name="SELECT_RESOURCES" title="Select Resources"> 4316: $randomly_ordered_warning 4317: <nextstate>PRINT_FORMATTING</nextstate> 4318: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message> 4319: <resource variable="RESOURCES" multichoice="1" addstatus="1" 4320: closeallpages="1"> 4321: <filterfunc>return $isNotMap;</filterfunc> 4322: <mapurl>$map</mapurl> 4323: <valuefunc>return $symbFilter;</valuefunc> 4324: $start_new_option 4325: </resource> 4326: </state> 4327: 4328: <state name="PRINT_FORMATTING" title="Format of the print job"> 4329: <nextstate>NUMBER_PER_PDF</nextstate> 4330: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message> 4331: <choices variable="EMPTY_PAGES"> 4332: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice> 4333: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice> 4334: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice> 4335: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice> 4336: </choices> 4337: <nextstate>PAGESIZE</nextstate> 4338: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message> 4339: <choices variable="SPLIT_PDFS"> 4340: <choice computer="all">All assignments in a single PDF file</choice> 4341: <choice computer="sections">Each PDF contains exactly one section</choice> 4342: <choice computer="oneper">Each PDF contains exactly one assignment</choice> 4343: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT"> 4344: Specify the number of assignments per PDF:</choice> 4345: </choices> 4346: </state> 4347: RESOURCE_SELECTOR 4348: 4349: &Apache::lonxml::xmlparse( $r, 'helper', <<CHOOSE_STUDENTS1); 4350: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources"> 4351: <choices variable='student_sort'> 4352: <choice computer='0'>Sort by section then student</choice> 4353: <choice computer='1'>Sort by students across sections.</choice> 4354: </choices> 4355: <message><br /><hr /><br /></message> 4356: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" /> 4357: 4358: </state> 4359: $resource_selector 4360: CHOOSE_STUDENTS1 4361: 4362: &Apache::lonxml::xmlparse( $r, 'helper', <<CHOOSE_ANON2); 4363: <state name="CHOOSE_ANON2" title="Select CODEd Assignments"> 4364: <nextstate>SELECT_RESOURCES</nextstate> 4365: <message><h4>Fill out one of the forms below</h4></message> 4366: <message><br /><hr /> <br /></message> 4367: <message><h3>Generate new CODEd Assignments</h3></message> 4368: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message> 4369: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"> 4370: <validator> 4371: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) && 4372: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 4373: !\$helper->{'VARS'}{'SINGLE_CODE'} && 4374: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 4375: return "You need to specify the number of assignments to print"; 4376: } 4377: return undef; 4378: </validator> 4379: </string> 4380: <message></td></tr><tr><td></message> 4381: <message><b>Names to save the CODEs under for later:</b></message> 4382: <message></td><td></message> 4383: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" /> 4384: <message></td></tr><tr><td></message> 4385: <message><b>Bubble sheet type:</b></message> 4386: <message></td><td></message> 4387: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0"> 4388: $codechoice 4389: </dropdown> 4390: <message></td></tr><tr><td></table></message> 4391: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message> 4392: <message><tr><td><b>Enter a CODE to print:</b></td><td></message> 4393: <string variable="SINGLE_CODE" size="10"> 4394: <validator> 4395: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} && 4396: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 4397: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 4398: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'}, 4399: \$helper->{'VARS'}{'CODE_OPTION'}); 4400: } else { 4401: return undef; # Other forces control us. 4402: } 4403: </validator> 4404: </string> 4405: <message></td></tr><tr><td></message> 4406: $code_selection 4407: <message></td></tr></table></message> 4408: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message> 4409: <message><b>Select saved CODEs:</b></message> 4410: <message></td><td></message> 4411: <dropdown variable="REUSE_OLD_CODES"> 4412: $namechoice 4413: </dropdown> 4414: <message></td></tr></table></message> 4415: </state> 4416: $resource_selector 4417: CHOOSE_ANON2 4418: } 4419: 4420: # FIXME: That RE should come from a library somewhere. 4421: if ( 4422: ( 4423: $perm{'pav'} 4424: && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'} 4425: . '/res/' 4426: && ( 4427: defined( $helper->{'VARS'}->{'construction'} ) 4428: || ( &Apache::lonnet::allowed( 'bre', $subdir ) eq 'F' 4429: && $helper->{VARS}->{'postdata'} =~ 4430: /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/ 4431: ) 4432: ) 4433: ) 4434: && $helper->{VARS}->{'assignment'} eq "" 4435: ) 4436: { 4437: my $pretty_dir = &Apache::lonnet::hreflocation($subdir); 4438: push @{$printChoices}, 4439: [ 4440: &mt( 4441: 'Selected [_1]Problems[_2] from current subdirectory [_3]', 4442: '<b>', 4443: '</b>', 4444: '<b><i>' . $pretty_dir . '</i></b>', 4445: '<b>', 4446: '</b>' 4447: ), 4448: 'problems_from_directory', 4449: 'CHOOSE_FROM_SUBDIR' 4450: ]; 4451: my $xmlfrag = <<CHOOSE_FROM_SUBDIR; 4452: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print"> 4453: 4454: <files variable="FILES" multichoice='1'> 4455: <nextstate>PAGESIZE</nextstate> 4456: <filechoice>return '$subdir';</filechoice> 4457: CHOOSE_FROM_SUBDIR 4458: 4459: # this is broken up because I really want interpolation above, 4460: # and I really DON'T want it below 4461: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR'; 4462: <filefilter>return Apache::lonhelper::files::not_old_version($filename) && 4463: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/; 4464: </filefilter> 4465: </files> 4466: </state> 4467: CHOOSE_FROM_SUBDIR 4468: &Apache::lonxml::xmlparse( $r, 'helper', $xmlfrag ); 4469: } 4470: 4471: # Allow the user to select any sequence in the course, feed it to 4472: # another resource selector for that sequence 4473: if ( !$helper->{VARS}->{'construction'} && !$is_published ) { 4474: push @$printChoices, 4475: [ 4476: &mtn( 4477: "Selected <b>Resources</b> from <b>selected folder</b> in course" 4478: ), 4479: 'select_sequences', 4480: 'CHOOSE_SEQUENCE' 4481: ]; 4482: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'}; 4483: 4484: #Escape apostrophes and backslashes for Perl 4485: $escapedSequenceName =~ s/\\/\\\\/g; 4486: $escapedSequenceName =~ s/'/\\'/g; 4487: &Apache::lonxml::xmlparse( $r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE); 4488: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From"> 4489: <message>Select the sequence to print resources from:</message> 4490: <resource variable="SEQUENCE"> 4491: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate> 4492: <filterfunc>return \$res->is_sequence;</filterfunc> 4493: <valuefunc>return $urlValue;</valuefunc> 4494: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0); 4495: </choicefunc> 4496: </resource> 4497: </state> 4498: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print"> 4499: <message>(mark desired resources then click "next" button) <br /></message> 4500: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1" 4501: closeallpages="1"> 4502: <nextstate>PAGESIZE</nextstate> 4503: <filterfunc>return $isNotMap</filterfunc> 4504: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl> 4505: <valuefunc>return $symbFilter;</valuefunc> 4506: $start_new_option 4507: </resource> 4508: </state> 4509: CHOOSE_FROM_ANY_SEQUENCE 4510: } 4511: 4512: # Generate the first state, to select which resources get printed. 4513: Apache::lonhelper::state->new( "START", "Select Printing Options:" ); 4514: $paramHash = Apache::lonhelper::getParamHash(); 4515: $paramHash->{MESSAGE_TEXT} = ""; 4516: Apache::lonhelper::message->new(); 4517: $paramHash = Apache::lonhelper::getParamHash(); 4518: $paramHash->{'variable'} = 'PRINT_TYPE'; 4519: $paramHash->{CHOICES} = $printChoices; 4520: Apache::lonhelper::choices->new(); 4521: 4522: my $startedTable = 0; # have we started an HTML table yet? (need 4523: # to close it later) 4524: 4525: if ( 4526: ( 4527: $perm{'pav'} 4528: and &Apache::lonnet::allowed( 'vgr', $env{'request.course.id'} ) 4529: ) 4530: or ( $helper->{VARS}->{'construction'} eq '1' ) 4531: ) 4532: { 4533: &addMessage( 4534: '<br />' . '<h3>' 4535: . &mt('Print Options') . '</h3>' 4536: . &Apache::lonhtmlcommon::start_pick_box() 4537: . &Apache::lonhtmlcommon::row_title( 4538: '<label for="ANSWER_TYPE_forminput">' 4539: . &mt('Print Answers') 4540: . '</label>' 4541: ) 4542: ); 4543: $paramHash = Apache::lonhelper::getParamHash(); 4544: $paramHash->{'variable'} = 'ANSWER_TYPE'; 4545: $helper->declareVar('ANSWER_TYPE'); 4546: $paramHash->{CHOICES} = [ 4547: [ 'Without Answers', 'yes' ], 4548: [ 'With Answers', 'no' ], 4549: [ 'Only Answers', 'only' ] 4550: ]; 4551: Apache::lonhelper::dropdown->new(); 4552: &addMessage( &Apache::lonhtmlcommon::row_closure() ); 4553: $startedTable = 1; 4554: 4555: # 4556: # Select font size. 4557: # 4558: 4559: $helper->declareVar('fontsize'); 4560: &addMessage( &Apache::lonhtmlcommon::row_title( &mt('Font Size') ) ); 4561: my $xmlfrag = << "FONT_SELECTION"; 4562: 4563: 4564: <dropdown variable='fontsize' multichoice='0', allowempty='0'> 4565: <defaultvalue> 4566: return 'normalsize'; 4567: </defaultvalue> 4568: <choice computer='tiny'>Tiny</choice> 4569: <choice computer='sub/superscriptsize'>Script Size</choice> 4570: <choice computer='footnotesize'>Footnote Size</choice> 4571: <choice computer='small'>Small</choice> 4572: <choice computer='normalsize'>Normal (default)</choice> 4573: <choice computer='large'>larger than normal</choice> 4574: <choice computer='Large'>Even larger than normal</choice> 4575: <choice computer='LARGE'>Still larger than normal</choice> 4576: <choice computer='huge'>huge font size</choice> 4577: <choice computer='Huge'>Largest possible size</choice> 4578: </dropdown> 4579: FONT_SELECTION 4580: &Apache::lonxml::xmlparse( $r, 'helper', $xmlfrag ); 4581: &addMessage( &Apache::lonhtmlcommon::row_closure(1) ); 4582: } 4583: 4584: if ( $perm{'pav'} ) { 4585: if ( !$startedTable ) { 4586: addMessage( "<hr width='33%' /><table><tr><td align='right'>" 4587: . '<label for="LATEX_TYPE_forminput">' 4588: . &mt('LaTeX mode') 4589: . "</label>: </td><td>" ); 4590: $startedTable = 1; 4591: } 4592: else { 4593: &addMessage( 4594: &Apache::lonhtmlcommon::row_title( 4595: '<label for="LATEX_TYPE_forminput">' 4596: . &mt('LaTeX mode') 4597: . '</label>' 4598: ) 4599: ); 4600: } 4601: $paramHash = Apache::lonhelper::getParamHash(); 4602: $paramHash->{'variable'} = 'LATEX_TYPE'; 4603: $helper->declareVar('LATEX_TYPE'); 4604: if ( $helper->{VARS}->{'construction'} eq '1' ) { 4605: $paramHash->{CHOICES} = [ 4606: [ 'standard LaTeX mode', 'standard' ], 4607: [ 'LaTeX batchmode', 'batchmode' ], 4608: ]; 4609: } 4610: else { 4611: $paramHash->{CHOICES} = [ 4612: [ 'LaTeX batchmode', 'batchmode' ], 4613: [ 'standard LaTeX mode', 'standard' ] 4614: ]; 4615: } 4616: Apache::lonhelper::dropdown->new(); 4617: 4618: &addMessage( 4619: &Apache::lonhtmlcommon::row_closure() 4620: . &Apache::lonhtmlcommon::row_title( 4621: '<label for="TABLE_CONTENTS_forminput">' 4622: . &mt('Print Table of Contents') 4623: . '</label>' 4624: ) 4625: ); 4626: $paramHash = Apache::lonhelper::getParamHash(); 4627: $paramHash->{'variable'} = 'TABLE_CONTENTS'; 4628: $helper->declareVar('TABLE_CONTENTS'); 4629: $paramHash->{CHOICES} = [ [ 'No', 'no' ], [ 'Yes', 'yes' ] ]; 4630: Apache::lonhelper::dropdown->new(); 4631: &addMessage( &Apache::lonhtmlcommon::row_closure() ); 4632: 4633: if ( not $helper->{VARS}->{'construction'} ) { 4634: &addMessage( 4635: &Apache::lonhtmlcommon::row_title( 4636: '<label for="TABLE_INDEX_forminput">' 4637: . &mt('Print Index') 4638: . '</label>' 4639: ) 4640: ); 4641: $paramHash = Apache::lonhelper::getParamHash(); 4642: $paramHash->{'variable'} = 'TABLE_INDEX'; 4643: $helper->declareVar('TABLE_INDEX'); 4644: $paramHash->{CHOICES} = [ [ 'No', 'no' ], [ 'Yes', 'yes' ] ]; 4645: Apache::lonhelper::dropdown->new(); 4646: &addMessage( &Apache::lonhtmlcommon::row_closure() ); 4647: &addMessage( 4648: &Apache::lonhtmlcommon::row_title( 4649: '<label for="PRINT_DISCUSSIONS_forminput">' 4650: . &mt('Print Discussions') 4651: . '</label>' 4652: ) 4653: ); 4654: $paramHash = Apache::lonhelper::getParamHash(); 4655: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS'; 4656: $helper->declareVar('PRINT_DISCUSSIONS'); 4657: $paramHash->{CHOICES} = [ [ 'No', 'no' ], [ 'Yes', 'yes' ] ]; 4658: Apache::lonhelper::dropdown->new(); 4659: &addMessage( &Apache::lonhtmlcommon::row_closure() ); 4660: 4661: # Prompt for printing annotations too. 4662: 4663: &addMessage( 4664: &Apache::lonhtmlcommon::row_title( 4665: '<label for="PRINT_ANNOTATIONS_forminput">' 4666: . &mt('Print Annotations') 4667: . '</label>' 4668: ) 4669: ); 4670: $paramHash = Apache::lonhelper::getParamHash(); 4671: $paramHash->{'variable'} = "PRINT_ANNOTATIONS"; 4672: $helper->declareVar("PRINT_ANNOTATIONS"); 4673: $paramHash->{CHOICES} = [ [ 'No', 'no' ], [ 'Yes', 'yes' ] ]; 4674: Apache::lonhelper::dropdown->new(); 4675: &addMessage( &Apache::lonhtmlcommon::row_closure() ); 4676: 4677: &addMessage( &Apache::lonhtmlcommon::row_title( &mt('Foils') ) ); 4678: $paramHash = Apache::lonhelper::getParamHash(); 4679: $paramHash->{'multichoice'} = "true"; 4680: $paramHash->{'allowempty'} = "true"; 4681: $paramHash->{'variable'} = "showallfoils"; 4682: $paramHash->{'CHOICES'} = [ [ &mt('Show All Foils'), "1" ] ]; 4683: Apache::lonhelper::choices->new(); 4684: &addMessage( &Apache::lonhtmlcommon::row_closure(1) ); 4685: } 4686: 4687: if ( $helper->{'VARS'}->{'construction'} ) { 4688: my $stylevalue = '$Apache::lonnet::env{"construct.style"}'; 4689: my $randseedtext = &mt("Use random seed"); 4690: my $stylefiletext = &mt("Use style file"); 4691: my $selectfiletext = &mt("Select style file"); 4692: 4693: my $xmlfrag .= 4694: '<message>' 4695: . &Apache::lonhtmlcommon::row_title( 4696: '<label for="curseed_forminput">' . $randseedtext . '</label>' ) 4697: . '</message> 4698: <string variable="curseed" size="15" maxlength="15"> 4699: <defaultvalue> 4700: return ' . $helper->{VARS}->{'curseed'} . '; 4701: </defaultvalue>' 4702: . '</string>' 4703: . '<message>' 4704: . &Apache::lonhtmlcommon::row_closure() 4705: . &Apache::lonhtmlcommon::row_title( 4706: '<label for="style_file">' . $stylefiletext . '</label>' ) 4707: . '</message> 4708: <string variable="style_file" size="40"> 4709: <defaultvalue> 4710: return ' . $stylevalue . '; 4711: </defaultvalue> 4712: </string><message> ' 4713: . qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">| 4714: . $selectfiletext . '</a>' 4715: . &Apache::lonhtmlcommon::row_closure() 4716: . &Apache::lonhtmlcommon::row_title( &mt('Show All Foils') ) 4717: . '</message> 4718: <choices allowempty="1" multichoice="true" variable="showallfoils"> 4719: <choice computer="1"> </choice> 4720: </choices>' 4721: . '<message>' 4722: . &Apache::lonhtmlcommon::row_closure() 4723: . '</message>'; 4724: &Apache::lonxml::xmlparse( $r, 'helper', $xmlfrag ); 4725: 4726: &addMessage( 4727: &Apache::lonhtmlcommon::row_title( &mt('Problem Type') ) ); 4728: 4729: # 4730: # Initial value from construction space: 4731: # 4732: if ( !$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'} ) 4733: { 4734: $helper->{VARS}->{'probstatus'} = 4735: $env{'form.problemtype'}; # initial value 4736: } 4737: $xmlfrag = << "PROBTYPE"; 4738: <dropdown variable="probstatus" multichoice="0" allowempty="0"> 4739: <defaultvalue> 4740: return "$helper->{VARS}->{'probstatus'}"; 4741: </defaultvalue> 4742: <choice computer="problem">Homework Problem</choice> 4743: <choice computer="exam">Exam Problem</choice> 4744: <choice computer="survey">Survey question</choice> 4745: ,choice computer="anonsurvey"Anonymous survey question</choice> 4746: </dropdown> 4747: PROBTYPE 4748: &Apache::lonxml::xmlparse( $r, 'helper', $xmlfrag ); 4749: &addMessage( &Apache::lonhtmlcommon::row_closure(1) ); 4750: 4751: } 4752: } 4753: 4754: if ($startedTable) { 4755: &addMessage( &Apache::lonhtmlcommon::end_pick_box() ); 4756: } 4757: 4758: Apache::lonprintout::page_format_state->new("FORMAT"); 4759: 4760: # Generate the PAGESIZE state which will offer the user the margin 4761: # choices if they select one column 4762: Apache::lonhelper::state->new( "PAGESIZE", "Set Margins" ); 4763: Apache::lonprintout::page_size_state->new( 'pagesize', 'FORMAT', 'FINAL' ); 4764: 4765: $helper->process(); 4766: 4767: # MANUAL BAILOUT CONDITION: 4768: # If we're in the "final" state, bailout and return to handler 4769: if ( $helper->{STATE} eq 'FINAL' ) { 4770: return $helper; 4771: } 4772: 4773: $r->print( $helper->display() ); 4774: if ( $helper->{STATE} eq 'START' ) { 4775: &recently_generated($r); 4776: } 4777: &Apache::lonhelper::unregisterHelperTags(); 4778: 4779: return OK; 4780: } 4781: 4782: 1; 4783: 4784: package Apache::lonprintout::page_format_state; 4785: 4786: =pod 4787: 4788: =head1 Helper element: page_format_state 4789: 4790: See lonhelper.pm documentation for discussion of the helper framework. 4791: 4792: Apache::lonprintout::page_format_state is an element that gives the 4793: user an opportunity to select the page layout they wish to print 4794: with: Number of columns, portrait/landscape, and paper size. If you 4795: want to change the paper size choices, change the @paperSize array 4796: contents in this package. 4797: 4798: page_format_state is always directly invoked in lonprintout.pm, so there 4799: is no tag interface. You actually pass parameters to the constructor. 4800: 4801: =over 4 4802: 4803: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 4804: 4805: =back 4806: 4807: =cut 4808: 4809: use Apache::lonhelper; 4810: 4811: no strict; 4812: @ISA = ("Apache::lonhelper::element"); 4813: use strict; 4814: use Apache::lonlocal; 4815: use Apache::lonnet; 4816: 4817: my $maxColumns = 2; 4818: 4819: # it'd be nice if these all worked 4820: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 4821: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]", 4822: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 4823: # "a5 [148x210 mm]", "a6 [105x148 mm]" ); 4824: my @paperSize = 4825: ( "letter [8 1/2x11 in]", "legal [8 1/2x14 in]", "a4 [210x297 mm]" ); 4826: 4827: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum | 4828: # Paper type 4829: 4830: sub new { 4831: my $self = Apache::lonhelper::element->new(); 4832: 4833: shift; 4834: 4835: $self->{'variable'} = shift; 4836: my $helper = Apache::lonhelper::getHelper(); 4837: $helper->declareVar( $self->{'variable'} ); 4838: bless($self); 4839: return $self; 4840: } 4841: 4842: sub render { 4843: my $self = shift; 4844: my $helper = Apache::lonhelper::getHelper(); 4845: my $result = ''; 4846: my $var = $self->{'variable'}; 4847: my $PageLayout = &mt('Page layout'); 4848: my $NumberOfColumns = &mt('Number of columns'); 4849: my $PaperType = &mt('Paper type'); 4850: my $landscape = &mt('Landscape'); 4851: my $portrait = &mt('Portrait'); 4852: my $pdfFormLabel = &mt('PDF-Formfields'); 4853: my $with = &mt('with Formfields'); 4854: my $without = &mt('without Formfields'); 4855: 4856: $result .= '<h3>' 4857: . &mt('Layout Options') . '</h3>' 4858: . &Apache::loncommon::start_data_table() 4859: . &Apache::loncommon::start_data_table_header_row() . '<th>' 4860: . $PageLayout . '</th>' . '<th>' 4861: . $NumberOfColumns . '</th>' . '<th>' 4862: . $PaperType . '</th>' . '<th>' 4863: . $pdfFormLabel . '</th>' 4864: . &Apache::loncommon::end_data_table_header_row() 4865: . &Apache::loncommon::start_data_table_row() . '<td>' 4866: . '<label><input type="radio" name="' 4867: . ${var} 4868: . '.layout" value="L" />' 4869: . $landscape 4870: . '</label><br />' 4871: . '<label><input type="radio" name="' 4872: . ${var} 4873: . '.layout" value="P" checked="checked" />' 4874: . $portrait 4875: . '</label>' . '</td>'; 4876: 4877: $result .= '<td align="center">' . '<select name="' . ${var} . '.cols">'; 4878: 4879: my $i; 4880: for ( $i = 1 ; $i <= $maxColumns ; $i++ ) { 4881: if ( $i == 2 ) { 4882: $result .= 4883: '<option value="' 4884: . $i 4885: . '" selected="selected">' 4886: . $i 4887: . '</option>' . "\n"; 4888: } 4889: else { 4890: $result .= '<option value="' . $i . '">' . $i . '</option>' . "\n"; 4891: } 4892: } 4893: 4894: $result .= "</select></td><td>\n"; 4895: $result .= "<select name='${var}.paper'>\n"; 4896: 4897: my %parmhash = 4898: &Apache::lonnet::coursedescription( $env{'request.course.id'} ); 4899: my $DefaultPaperSize = lc( $parmhash{'default_paper_size'} ); 4900: $DefaultPaperSize =~ s/\s//g; 4901: if ( $DefaultPaperSize eq '' ) { $DefaultPaperSize = 'letter'; } 4902: $i = 0; 4903: foreach (@paperSize) { 4904: $_ =~ /(\w+)/; 4905: my $papersize = $1; 4906: if ( $paperSize[$i] =~ /$DefaultPaperSize/ ) { 4907: $result .= 4908: '<option selected="selected" value="' 4909: . $papersize . '">' 4910: . $paperSize[$i] 4911: . '</option>' . "\n"; 4912: } 4913: else { 4914: $result .= 4915: '<option value="' 4916: . $papersize . '">' 4917: . $paperSize[$i] 4918: . '</option>' . "\n"; 4919: } 4920: $i++; 4921: } 4922: $result .= <<HTML; 4923: </select> 4924: </td> 4925: <td align='center'> 4926: <select name='${var}.pdfFormFields'> 4927: <option selected="selected" value="no">$without</option> 4928: <option value="yes">$with</option> 4929: </select> 4930: </td> 4931: HTML 4932: $result .= &Apache::loncommon::end_data_table_row() 4933: . &Apache::loncommon::end_data_table(); 4934: 4935: return $result; 4936: } 4937: 4938: sub postprocess { 4939: my $self = shift; 4940: 4941: my $var = $self->{'variable'}; 4942: my $helper = Apache::lonhelper->getHelper(); 4943: $helper->{VARS}->{$var} = 4944: $env{"form.$var.layout"} . '|' 4945: . $env{"form.$var.cols"} . '|' 4946: . $env{"form.$var.paper"} . '|' 4947: . $env{"form.$var.pdfFormFields"}; 4948: return 1; 4949: } 4950: 4951: 1; 4952: 4953: package Apache::lonprintout::page_size_state; 4954: 4955: =pod 4956: 4957: =head1 Helper element: page_size_state 4958: 4959: See lonhelper.pm documentation for discussion of the helper framework. 4960: 4961: Apache::lonprintout::page_size_state is an element that gives the 4962: user the opportunity to further refine the page settings if they 4963: select a single-column page. 4964: 4965: page_size_state is always directly invoked in lonprintout.pm, so there 4966: is no tag interface. You actually pass parameters to the constructor. 4967: 4968: =over 4 4969: 4970: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 4971: 4972: =back 4973: 4974: =cut 4975: 4976: use Apache::lonhelper; 4977: use Apache::lonnet; 4978: no strict; 4979: @ISA = ("Apache::lonhelper::element"); 4980: use strict; 4981: 4982: sub new { 4983: my $self = Apache::lonhelper::element->new(); 4984: 4985: shift; # disturbs me (probably prevents subclassing) but works (drops 4986: # package descriptor)... - Jeremy 4987: 4988: $self->{'variable'} = shift; 4989: my $helper = Apache::lonhelper::getHelper(); 4990: $helper->declareVar( $self->{'variable'} ); 4991: 4992: # The variable name of the format element, so we can look into 4993: # $helper->{VARS} to figure out whether the columns are one or two 4994: $self->{'formatvar'} = shift; 4995: 4996: $self->{NEXTSTATE} = shift; 4997: bless($self); 4998: 4999: return $self; 5000: } 5001: 5002: sub render { 5003: my $self = shift; 5004: my $helper = Apache::lonhelper::getHelper(); 5005: my $result = ''; 5006: my $var = $self->{'variable'}; 5007: 5008: if ( defined $self->{ERROR_MSG} ) { 5009: $result .= 5010: '<br /><span class="LC_error">' 5011: . $self->{ERROR_MSG} 5012: . '</span><br />'; 5013: } 5014: 5015: my $format = $helper->{VARS}->{ $self->{'formatvar'} }; 5016: 5017: # Use format to get sensible defaults for the margins: 5018: 5019: my ( $laystyle, $cols, $papersize ) = split( /\|/, $format ); 5020: ($papersize) = split( / /, $papersize ); 5021: 5022: $laystyle = &Apache::lonprintout::map_laystyle($laystyle); 5023: 5024: my %size; 5025: ( 5026: $size{'width_and_units'}, 5027: $size{'height_and_units'}, 5028: $size{'margin_and_units'} 5029: ) = &Apache::lonprintout::page_format( $papersize, $laystyle, $cols ); 5030: 5031: foreach my $dimension ( 'width', 'height', 'margin' ) { 5032: ( $size{$dimension}, $size{ $dimension . '_unit' } ) = 5033: split( / +/, $size{ $dimension . '_and_units' }, 2 ); 5034: 5035: foreach my $unit ( 'cm', 'in' ) { 5036: $size{ $dimension . '_options' } .= '<option '; 5037: if ( $size{ $dimension . '_unit' } eq $unit ) { 5038: $size{ $dimension . '_options' } .= 'selected="selected" '; 5039: } 5040: $size{ $dimension . '_options' } .= '>' . $unit . '</option>'; 5041: } 5042: } 5043: 5044: # Adjust margin for LaTeX margin: .. requires units == cm or in. 5045: 5046: if ( $size{'margin_unit'} eq 'in' ) { 5047: $size{'margin'} += 1; 5048: } 5049: else { 5050: $size{'margin'} += 2.54; 5051: } 5052: my %lt = &Apache::lonlocal::texthash( 5053: 'format' => 'How should each column be formatted?', 5054: 'width' => 'Width', 5055: 'height' => 'Height', 5056: 'margin' => 'Left Margin' 5057: ); 5058: 5059: $result .= '<p>' 5060: . $lt{'format'} . '</p>' 5061: . &Apache::lonhtmlcommon::start_pick_box() 5062: . &Apache::lonhtmlcommon::row_title( $lt{'width'} ) 5063: . '<input type="text" name="' 5064: . $var 5065: . '.width" value="' 5066: . $size{'width'} 5067: . '" size="4" />' 5068: . '<select name="' 5069: . $var 5070: . '.widthunit">' 5071: . $size{'width_options'} 5072: . '</select>' 5073: . &Apache::lonhtmlcommon::row_closure() 5074: . &Apache::lonhtmlcommon::row_title( $lt{'height'} ) 5075: . '<input type="text" name="' 5076: . $var 5077: . '.height" value="' 5078: . $size{'height'} 5079: . '" size="4" />' 5080: . '<select name="' 5081: . $var 5082: . '.heightunit">' 5083: . $size{'height_options'} 5084: . '</select>' 5085: . &Apache::lonhtmlcommon::row_closure() 5086: . &Apache::lonhtmlcommon::row_title( $lt{'margin'} ) 5087: . '<input type="text" name="' 5088: . $var 5089: . '.lmargin" value="' 5090: . $size{'margin'} 5091: . '" size="4" />' 5092: . '<select name="' 5093: . $var 5094: . '.lmarginunit">' 5095: . $size{'margin_options'} 5096: . '</select>' 5097: . &Apache::lonhtmlcommon::row_closure(1) 5098: . &Apache::lonhtmlcommon::end_pick_box(); 5099: 5100: # <p>Hint: Some instructors like to leave scratch space for the student by 5101: # making the width much smaller than the width of the page.</p> 5102: 5103: return $result; 5104: } 5105: 5106: sub preprocess { 5107: my $self = shift; 5108: my $helper = Apache::lonhelper::getHelper(); 5109: 5110: my $format = $helper->{VARS}->{ $self->{'formatvar'} }; 5111: 5112: # If the user does not have 'pav' privilege, set default widths and 5113: # on to the next state right away. 5114: # 5115: if ( !$perm{'pav'} ) { 5116: my $var = $self->{'variable'}; 5117: my $format = $helper->{VARS}->{ $self->{'formatvar'} }; 5118: 5119: my ( $laystyle, $cols, $papersize ) = split( /\|/, $format ); 5120: ($papersize) = split( / /, $papersize ); 5121: 5122: $laystyle = &Apache::lonprintout::map_laystyle($laystyle); 5123: 5124: # Figure out some good defaults for the print out and set them: 5125: 5126: my %size; 5127: ( $size{'width'}, $size{'height'}, $size{'lmargin'} ) = 5128: &Apache::lonprintout::page_format( $papersize, $laystyle, $cols ); 5129: 5130: foreach my $dim ( 'width', 'height', 'lmargin' ) { 5131: my ( $value, $units ) = split( / /, $size{$dim} ); 5132: 5133: $helper->{VARS}->{ "$var." . $dim } = $value; 5134: $helper->{VARS}->{ "$var." . $dim . 'unit' } = $units; 5135: 5136: } 5137: 5138: # Transition to the next state 5139: 5140: $helper->changeState( $self->{NEXTSTATE} ); 5141: } 5142: 5143: return 1; 5144: } 5145: 5146: sub postprocess { 5147: my $self = shift; 5148: 5149: my $var = $self->{'variable'}; 5150: my $helper = Apache::lonhelper->getHelper(); 5151: my $width = $helper->{VARS}->{ $var . '.width' } = 5152: $env{"form.${var}.width"}; 5153: my $height = $helper->{VARS}->{ $var . '.height' } = 5154: $env{"form.${var}.height"}; 5155: my $lmargin = $helper->{VARS}->{ $var . '.lmargin' } = 5156: $env{"form.${var}.lmargin"}; 5157: $helper->{VARS}->{ $var . '.widthunit' } = $env{"form.${var}.widthunit"}; 5158: $helper->{VARS}->{ $var . '.heightunit' } = $env{"form.${var}.heightunit"}; 5159: $helper->{VARS}->{ $var . '.lmarginunit' } = 5160: $env{"form.${var}.lmarginunit"}; 5161: 5162: my $error = ''; 5163: 5164: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 5165: # by an optional period, followed by digits, ending the string 5166: 5167: if ( $width !~ /^-?[0-9]*(\.[0-9]*)?$/ ) { 5168: $error .= "Invalid width; please type only a number.<br />\n"; 5169: } 5170: if ( $height !~ /^-?[0-9]*(\.[0-9]*)?$/ ) { 5171: $error .= "Invalid height; please type only a number.<br />\n"; 5172: } 5173: if ( $lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/ ) { 5174: $error .= "Invalid left margin; please type only a number.<br />\n"; 5175: } 5176: else { 5177: 5178: # Adjust for LaTeX 1.0 inch margin: 5179: 5180: if ( $env{"form.${var}.lmarginunit"} eq "in" ) { 5181: $helper->{VARS}->{ $var . '.lmargin' } = $lmargin - 1; 5182: } 5183: else { 5184: $helper->{VARS}->{ $var . '.lmargin' } = $lmargin - 2.54; 5185: } 5186: } 5187: 5188: if ( !$error ) { 5189: Apache::lonhelper::getHelper()->changeState( $self->{NEXTSTATE} ); 5190: return 1; 5191: } 5192: else { 5193: $self->{ERROR_MSG} = $error; 5194: return 0; 5195: } 5196: } 5197: 5198: __END__ 5199: