loncom/interface/lonprintout.pm - view

File: [LON-CAPA] / loncom / interface / lonprintout.pm
Revision 1.583.2.5: download - view: text, annotated - select for diffs
Thu Sep 15 16:33:57 2011 UTC (12 years, 7 months ago) by raeburn
Branches: version_2_10_X
CVS tags: version_2_10_1, loncapaMITrelate_1

- Backport 1.586, 1.587, 1.597, 1.598.

1: # 2: # The LearningOnline Network 3: # Printout 4: # 5: # $Id: lonprintout.pm,v 1.583.2.5 2011/09/15 16:33:57 raeburn 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; # The error text from the server. (e.g. 500 Server timed out). 65: 66: # 67: # Our ssi max retry count. 68: # 69: 70: my $ssi_retry_count = 5; # Some arbitrary value. 71: 72: 73: # Font size: 74: 75: my $font_size = 'normalsize'; # Default is normalsize... 76: 77: #---------------------------- Helper helpers. ------------------------- 78: 79: # Returns the text needd for a student chooser. 80: # that text must still be parsed by the helper xml parser. 81: # Parameters: 82: # this_state - State name of the chooser. 83: # sort_choice - variable to hold the sorting choice. 84: # variable - Name of variable to hold students. 85: # next_state - State after chooser. 86: 87: 88: sub generate_student_chooser { 89: my ($this_state, 90: $sort_choice, 91: $variable, 92: $next_state) = @_; 93: my $result = <<CHOOSE_STUDENTS; 94: <state name="$this_state" title="Select Students and Resources"> 95: <message><b>Select sorting order of printout</b> </message> 96: 97: <choices variable="$sort_choice"> 98: <choice computer='0'>Sort by section then student</choice> 99: <choice computer='1'>Sort by students across sections.</choice> 100: </choices> 101: 102: <message><br /><hr /><br /> </message> 103: <student multichoice='1' 104: variable="$variable" 105: nextstate="$next_state" 106: coursepersonnel="1" /> 107: </state> 108: 109: CHOOSE_STUDENTS 110: 111: return $result; 112: } 113: 114: # Generate the text needed for a resource chooser given the top level of 115: # the sequence/page 116: # 117: # Parameters: 118: # this_state - State name of the chooser. 119: # prompt_text - Text to use to prompt user. 120: # resource_options - Resource tag options e.g. 121: # "multichoice='1', toponly='1', addstatus='1'" 122: # that control the selection and appearance of the 123: # resource selector. 124: # variable - Name of the variable to hold the choice 125: # next_state - Name of the next state the helper should transition 126: # to 127: # top_url - Top level URL within which to make the selector. 128: # If empty the top level sequence is shown. 129: # filter - How to filter the resources. 130: # value_func - <valuefunc> function. 131: # choice_func - If not empty generates a <choicefunc> with this function. 132: # start_new_option 133: # - Fragment appended after valuefunc. 134: # 135: # 136: sub generate_resource_chooser { 137: my ($this_state, 138: $prompt_text, 139: $resource_options, 140: $variable, 141: $next_state, 142: $top_url, 143: $filter, 144: $choice_func, 145: $value_func, 146: $start_new_option) = @_; 147: 148: my $result = <<CHOOSE_RESOURCES; 149: <state name="$this_state" title="$prompt_text"> 150: <resource variable="$variable" $resource_options 151: closeallpages="1"> 152: <nextstate>$next_state</nextstate> 153: <filterfunc>return $filter;</filterfunc> 154: CHOOSE_RESOURCES 155: if ($choice_func ne '') { 156: $result .= "<choicefunc>return $choice_func;</choicefunc>"; 157: } 158: if ($top_url ne '') { 159: $result .= "<mapurl>$top_url</mapurl>"; 160: } 161: $result .= <<CHOOSE_RESOURCES; 162: <valuefunc>return $value_func;</valuefunc> 163: $start_new_option 164: </resource> 165: </state> 166: CHOOSE_RESOURCES 167: 168: return $result; 169: } 170: # 171: # Generate the helper XML for a code choice helper dialog: 172: # 173: # Paramters: 174: # $helper - Reference to the helper. 175: # $state - Name of the state for the chooser. 176: # $next_state - Name fo the state to follow the chooser. 177: # $bubble_types - Populates the bubble sheet type dropt down. 178: # $code_selections - Provides set of code choices that have been used 179: # $saved_codes - Provides the list of saved codes. 180: # 181: # Returns; 182: # The Xml of the code chooser. 183: # 184: sub generate_code_selector { 185: my ($helper, 186: $state, 187: $next_state, 188: $bubble_types, 189: $code_selections, 190: $saved_codes) = @_; # Unpack the parameters. 191: 192: my $result = <<CHOOSE_ANON1; 193: <state name="$state" title="Specify CODEd Assignments"> 194: <nextstate>$next_state</nextstate> 195: <message><h4>Fill out one of the forms below</h4></message> 196: <message><br /><hr /> <br /></message> 197: <message><h3>Generate new CODEd Assignments</h3></message> 198: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message> 199: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1"> 200: <validator> 201: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) && 202: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 203: !\$helper->{'VARS'}{'SINGLE_CODE'} && 204: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) { 205: 206: return "You need to specify the number of assignments to print"; 207: } 208: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) && 209: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) { 210: return 'Specifying number of codes to print and a specific code is not compatible'; 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: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){ 237: return 'Specifying a code name is incompatible with specifying number of codes.'; 238: } else { 239: return undef; # Other forces control us. 240: } 241: </validator> 242: </string> 243: <message></td></tr><tr><td></message> 244: $code_selections 245: <message></td></tr></table></message> 246: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message> 247: <message><b>Select saved CODEs:</b></message> 248: <message></td><td></message> 249: <dropdown variable="REUSE_OLD_CODES"> 250: $saved_codes 251: </dropdown> 252: <message></td></tr></table></message> 253: </state> 254: CHOOSE_ANON1 255: 256: return $result; 257: } 258: 259: # Returns the XML for choosing how assignments are to be formatted 260: # that text must still be parsed by the helper xml parser. 261: # Parameters: 3 (required) 262: 263: # helper - The helper; $helper->{'VARS'}->{'PRINT_TYPE'} used 264: # to check if splitting PDFs by section can be offered. 265: # title - Title for the current state. 266: # this_state - State name of the chooser. 267: 268: sub generate_format_selector { 269: my ($helper,$title,$this_state) = @_; 270: my $secpdfoption; 271: unless (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') || 272: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') || 273: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) { 274: $secpdfoption = '<choice computer="sections">Each PDF contains exactly one section</choice>'; 275: } 276: return <<RESOURCE_SELECTOR; 277: <state name="$this_state" title="$title"> 278: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message> 279: <choices variable="EMPTY_PAGES"> 280: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice> 281: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice> 282: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice> 283: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice> 284: </choices> 285: <nextstate>PAGESIZE</nextstate> 286: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message> 287: <choices variable="SPLIT_PDFS"> 288: <choice computer="all">All assignments in a single PDF file</choice> 289: $secpdfoption 290: <choice computer="oneper">Each PDF contains exactly one assignment</choice> 291: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT"> 292: Specify the number of assignments per PDF:</choice> 293: </choices> 294: </state> 295: RESOURCE_SELECTOR 296: } 297: 298: 299: #----------------------------------------------------------------------- 300: 301: 302: # Fetch the contents of a resource, uninterpreted. 303: # This is used here to fetch a latex file to be included 304: # verbatim into the printout< 305: # NOTE: Ask Guy if there is a lonnet function similar to this? 306: # 307: # Parameters: 308: # URL of the file 309: # 310: sub fetch_raw_resource { 311: my ($url) = @_; 312: 313: my $filename = &Apache::lonnet::filelocation("", $url); 314: my $contents = &Apache::lonnet::getfile($filename); 315: 316: if ($contents == -1) { 317: return "File open failed for $filename"; # This will bomb the print. 318: } 319: return $contents; 320: 321: 322: } 323: 324: # Fetch the annotations associated with a URL and 325: # put a centered 'annotations:' title. 326: # This is all suppressed if the annotations are empty. 327: # 328: sub annotate { 329: my ($symb) = @_; 330: 331: my $annotation_text = &Apache::loncommon::get_annotation($symb, 1); 332: 333: 334: my $result = ""; 335: 336: if (length($annotation_text) > 0) { 337: $result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ '; 338: $result .= "\n"; 339: $result .= &Apache::lonxml::latex_special_symbols($annotation_text,""); # Escape latex. 340: $result .= "\n\n"; 341: } 342: return $result; 343: } 344: 345: # 346: # Set a global document font size: 347: # This is done by replacing \begin{document} 348: # with \begin{document}{\some-font-directive 349: # and \end{document} with 350: # }\end{document 351: # 352: sub set_font_size { 353: 354: my ($text) = @_; 355: 356: # There appear to be cases where the font directive is empty.. in which 357: # case the first substituion would insert a spurious \ oh happy day. 358: # as this has been the cause of much mystery and hair pulling _sigh_ 359: 360: if ($font_size ne '') { 361: 362: $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/; 363: } 364: $text =~ s/\\end{document}/}\\end{document}/; 365: return $text; 366: 367: 368: } 369: 370: # include_pdf - PDF files are included into the 371: # output as follows: 372: # - The PDF, if necessary, is replicated. 373: # - The PDF is added to the list of files to convert to postscript (along with the images). 374: # - The LaTeX is added to include the final converted postscript in the file as an included 375: # job. The assumption is that the includedpsheader.ps header will be included. 376: # 377: # Parameters: 378: # pdf_uri - URI of the PDF file to include. 379: # 380: # Returns: 381: # The LaTeX to include. 382: # 383: # Assumptions: 384: # The uri is actually a PDF file 385: # The postscript will have the includepsheader.ps included. 386: # 387: # 388: sub include_pdf { 389: my ($pdf_uri) = @_; 390: 391: # Where is the file? If not local we'll need to repcopy it:' 392: 393: my $file = &Apache::lonnet::filelocation('', $pdf_uri); 394: if (! -e $file) { 395: &Apache::lonnet::repcopy($file); 396: $file = &Apache::lonnet::filelocation('',$pdf_uri); 397: } 398: 399: # The file isn ow replicated locally.. or it did not exist in the first place 400: # (unlikely). If it did exist, add the pdf to the set of files/images that 401: # need tob e converted for this print job: 402: 403: $file =~ s|(.*)/res/|/home/httpd/html/res/|; 404: 405: open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat"); 406: print FILE ("$file\n"); 407: close (FILE); 408: 409: # Construct the special to put out. To do this we need to get the 410: # resulting filename after conversion. The file will have the same name 411: # but will be in the user's spool directory with converted images. 412: 413: my $dirname = "/home/httpd/prtspool/$env{'user.name'}/"; 414: my ( $base, $path, $ext) = &fileparse($file, '.pdf'); 415: # my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl 416: $base =~ s/ /\_/g; 417: 418: 419: my $output = &print_latex_header(); 420: $output .= '\special{ps: _begin_job_ (' 421: .$base.'.pdf.eps'. 422: ')run _end_job_}'; 423: 424: return $output; 425: 426: 427: } 428: 429: 430: # 431: # ssi_with_retries- Does the server side include of a resource. 432: # if the ssi call returns an error we'll retry it up to 433: # the number of times requested by the caller. 434: # If we still have a proble, no text is appended to the 435: # output and we set some global variables. 436: # to indicate to the caller an SSI error occurred. 437: # All of this is supposed to deal with the issues described 438: # in LonCAPA BZ 5631 see: 439: # http://bugs.lon-capa.org/show_bug.cgi?id=5631 440: # by informing the user that this happened. 441: # 442: # Parameters: 443: # resource - The resource to include. This is passed directly, without 444: # interpretation to lonnet::ssi. 445: # form - The form hash parameters that guide the interpretation of the resource 446: # 447: # retries - Number of retries allowed before giving up completely. 448: # Returns: 449: # On success, returns the rendered resource identified by the resource parameter. 450: # Side Effects: 451: # The following global variables can be set: 452: # ssi_error - If an unrecoverable error occurred this becomes true. 453: # It is up to the caller to initialize this to false 454: # if desired. 455: # ssi_last_error_resource - If an unrecoverable error occurred, this is the value 456: # of the resource that could not be rendered by the ssi 457: # call. 458: # ssi_last_error - The error string fetched from the ssi response 459: # in the event of an error. 460: # 461: sub ssi_with_retries { 462: my ($resource, $retries, %form) = @_; 463: 464: my $target = $form{'grade_target'}; 465: my $aom = $form{'answer_output_mode'}; 466: 467: 468: 469: my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form); 470: if (!$response->is_success) { 471: $ssi_error = 1; 472: $ssi_last_error_resource = $resource; 473: $ssi_last_error = $response->code . " " . $response->message; 474: $content='\section*{!!! An error occurred !!!}'; 475: &Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error"); 476: } 477: 478: return $content; 479: 480: } 481: 482: sub get_student_view_with_retries { 483: my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_; 484: 485: my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv); 486: if (!$response->is_success) { 487: $ssi_error = 1; 488: $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain; 489: $ssi_last_error = $response->code . " " . $response->message; 490: $content='\section*{!!! An error occurred !!!}'; 491: &Apache::lonnet::logthis("Error in SSI (student view) resource: $curresline Error: $ssi_last_error User: $username:$userdomain"); 492: } 493: return $content; 494: 495: } 496: 497: # 498: # printf_style_subst item format_string repl 499: # 500: # Does printf style substitution for a format string that 501: # can have %[n]item in it.. wherever, %[n]item occurs, 502: # rep is substituted in format_string. Note that 503: # [n] is an optional integer length. If provided, 504: # repl is truncated to at most [n] characters prior to 505: # substitution. 506: # 507: sub printf_style_subst { 508: my ($item, $format_string, $repl) = @_; 509: my $result = ""; 510: while ($format_string =~ /(%)(\d*)\Q$item\E/g ) { 511: my $fmt = $1; 512: my $size = $2; 513: my $subst = $repl; 514: if ($size ne "") { 515: $subst = substr($subst, 0, $size); 516: 517: # Here's a nice edge case.. supose the end of the 518: # substring is a \. In that case may have just 519: # chopped off a TeX escape... in that case, we append 520: # " " for the trailing character, and let the field 521: # spill over a bit (sigh). 522: # We don't just chop off the last character in order to deal 523: # with one last pathology, and that would be if substr had 524: # trimmed us to e.g. \\\ 525: 526: 527: if ($subst =~ /\\$/) { 528: $subst .= " "; 529: } 530: } 531: my $item_pos = pos($format_string); 532: $result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst; 533: $format_string = substr($format_string, pos($format_string)); 534: } 535: 536: # Put the residual format string into the result: 537: 538: $result .= $format_string; 539: 540: return $result; 541: } 542: 543: 544: # Format a header according to a format. 545: # 546: 547: # Substitutions: 548: # %a - Assignment name. 549: # %c - Course name. 550: # %n - Student name. 551: # %s - The section if it is supplied. 552: # 553: sub format_page_header { 554: my ($width, $format, $assignment, $course, $student) = @_; 555: 556: 557: 558: $width = &recalcto_mm($width); # Get width in mm. 559: my $chars_per_line = int($width/2); # Character/textline. 560: 561: # Default format? 562: 563: if ($format eq '') { 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 $firstline = "$student $course"; 576: if (length($firstline) > $chars_per_line) { 577: my $lastchar = $chars_per_line - length($student) - 1; 578: if ($lastchar > 0) { 579: $course = substr($course, 0, $lastchar); 580: } else { # Nothing left of course: 581: $course = ''; 582: } 583: } 584: if (length($assignment) > $chars_per_line) { 585: $assignment = substr($assignment, 0, $chars_per_line); 586: } 587: 588: $format = "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}"; 589: 590: } else { 591: # An open question is how to handle long user formatted page headers... 592: # A possible future is to support e.g. %na so that the user can control 593: # the truncation of the elements that can appear in the header. 594: # 595: $format = &printf_style_subst("a", $format, $assignment); 596: $format = &printf_style_subst("c", $format, $course); 597: $format = &printf_style_subst("n", $format, $student); 598: 599: # If the user put %'s in the format string, they must be escaped 600: # to \% else LaTeX will think they are comments and terminate 601: # the line.. which is bad!!! 602: 603: } 604: 605: return $format; 606: } 607: 608: # 609: # Convert a numeric code to letters 610: # 611: sub num_to_letters { 612: my ($num) = @_; 613: my @nums= split('',$num); 614: my @num_to_let=('A'..'Z'); 615: my $word; 616: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; } 617: return $word; 618: } 619: # Convert a letter code to numeric. 620: # 621: sub letters_to_num { 622: my ($letters) = @_; 623: my @letters = split('', uc($letters)); 624: my %substitution; 625: my $digit = 0; 626: foreach my $letter ('A'..'J') { 627: $substitution{$letter} = $digit; 628: $digit++; 629: } 630: # The substitution is done as below to preserve leading 631: # zeroes which are needed to keep the code size exact 632: # 633: my $result =""; 634: foreach my $letter (@letters) { 635: $result.=$substitution{$letter}; 636: } 637: return $result; 638: } 639: 640: # Determine if a code is a valid numeric code. Valid 641: # numeric codes must be comprised entirely of digits and 642: # have a correct number of digits. 643: # 644: # Parameters: 645: # value - proposed code value. 646: # num_digits - Number of digits required. 647: # 648: sub is_valid_numeric_code { 649: my ($value, $num_digits) = @_; 650: # Remove leading/trailing whitespace; 651: $value =~ s/^\s*//g; 652: $value =~ s/\s*$//g; 653: 654: # All digits? 655: if ($value !~ /^[0-9]+$/) { 656: return "Numeric code $value has invalid characters - must only be digits"; 657: } 658: if (length($value) != $num_digits) { 659: return "Numeric code $value incorrect number of digits (correct = $num_digits)"; 660: } 661: return undef; 662: } 663: # Determines if a code is a valid alhpa code. Alpha codes 664: # are ciphers that map [A-J,a-j] -> 0..9 0..9. 665: # They also have a correct digit count. 666: # Parameters: 667: # value - Proposed code value. 668: # num_letters - correct number of letters. 669: # Note: 670: # leading and trailing whitespace are ignored. 671: # 672: sub is_valid_alpha_code { 673: my ($value, $num_letters) = @_; 674: 675: # strip leading and trailing spaces. 676: 677: $value =~ s/^\s*//g; 678: $value =~ s/\s*$//g; 679: 680: # All alphas in the right range? 681: if ($value !~ /^[A-J,a-j]+$/) { 682: return "Invalid letter code $value must only contain A-J"; 683: } 684: if (length($value) != $num_letters) { 685: return "Letter code $value has incorrect number of letters (correct = $num_letters)"; 686: } 687: return undef; 688: } 689: 690: # Determine if a code entered by the user in a helper is valid. 691: # valid depends on the code type and the type of code selected. 692: # The type of code selected can either be numeric or 693: # Alphabetic. If alphabetic, the code, in fact is a simple 694: # substitution cipher for the actual numeric code: 0->A, 1->B ... 695: # We'll be nice and be case insensitive for alpha codes. 696: # Parameters: 697: # code_value - the value of the code the user typed in. 698: # code_option - The code type selected from the set in the scantron format 699: # table. 700: # Returns: 701: # undef - The code is valid. 702: # other - An error message indicating what's wrong. 703: # 704: sub is_code_valid { 705: my ($code_value, $code_option) = @_; 706: my ($code_type, $code_length) = ('letter', 6); # defaults. 707: my @lines = &Apache::grades::get_scantronformat_file(); 708: foreach my $line (@lines) { 709: my ($name, $type, $length) = (split(/:/, $line))[0,2,4]; 710: if($name eq $code_option) { 711: $code_length = $length; 712: if($type eq 'number') { 713: $code_type = 'number'; 714: } 715: } 716: } 717: my $valid; 718: if ($code_type eq 'number') { 719: return &is_valid_numeric_code($code_value, $code_length); 720: } else { 721: return &is_valid_alpha_code($code_value, $code_length); 722: } 723: 724: } 725: 726: # Compare two students by name. The students are in the form 727: # returned by the helper: 728: # user:domain:section:last, first:status 729: # This is a helper function for the perl sort built-in therefore: 730: # Implicit Inputs: 731: # $a - The first element to compare (global) 732: # $b - The second element to compare (global) 733: # Returns: 734: # -1 - $a < $b 735: # 0 - $a == $b 736: # +1 - $a > $b 737: # Note that the initial comparison is done on the last names with the 738: # first names only used to break the tie. 739: # 740: # 741: sub compare_names { 742: # First split the names up into the primary fields. 743: 744: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a); 745: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b); 746: 747: # Now split the last name and first name of each n: 748: # 749: 750: my ($l1,$f1) = split(/,/, $n1); 751: my ($l2,$f2) = split(/,/, $n2); 752: 753: # We don't bother to remove the leading/trailing whitespace from the 754: # firstname, unless the last names compare identical. 755: 756: if($l1 lt $l2) { 757: return -1; 758: } 759: if($l1 gt $l2) { 760: return 1; 761: } 762: 763: # Break the tie on the first name, but there are leading (possibly trailing 764: # whitespaces to get rid of first 765: # 766: $f1 =~ s/^\s+//; # Remove leading... 767: $f1 =~ s/\s+$//; # Trailing spaces from first 1... 768: 769: $f2 =~ s/^\s+//; 770: $f2 =~ s/\s+$//; # And the same for first 2... 771: 772: if($f1 lt $f2) { 773: return -1; 774: } 775: if($f1 gt $f2) { 776: return 1; 777: } 778: 779: # Must be the same name. 780: 781: return 0; 782: } 783: 784: sub latex_header_footer_remove { 785: my $text = shift; 786: $text =~ s/\\end{document}//; 787: $text =~ s/\\documentclass([^&]*)\\begin{document}//; 788: return $text; 789: } 790: # 791: # If necessary, encapsulate text inside 792: # a minipage env. 793: # necessity is determined by the problem_split param. 794: # 795: sub encapsulate_minipage { 796: my ($text) = @_; 797: if (!($env{'form.problem.split'} =~ /yes/i)) { 798: $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}'; 799: } 800: return $text; 801: } 802: # 803: # The NUMBER_TO_PRINT and SPLIT_PDFS 804: # variables interact, this sub looks at these two parameters 805: # and comes up with a final value for NUMBER_TO_PRINT which can be: 806: # all - if SPLIT_PDFS eq 'all'. 807: # 1 - if SPLIT_PDFS eq 'oneper' 808: # section - if SPLIT_PDFS eq 'sections' 809: # <unchanged> - if SPLIT_PDFS eq 'usenumber' 810: # 811: sub adjust_number_to_print { 812: my $helper = shift; 813: 814: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'}; 815: 816: if ($split_pdf eq 'all') { 817: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all'; 818: } elsif ($split_pdf eq 'oneper') { 819: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1; 820: } elsif ($split_pdf eq 'sections') { 821: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section'; 822: } elsif ($split_pdf eq 'usenumber') { 823: # Unmodified. 824: } else { 825: # Error!!!! 826: 827: croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print"; 828: 829: } 830: } 831: 832: 833: sub character_chart { 834: my $result = shift; 835: return &Apache::entities::replace_entities($result); 836: } 837: 838: sub old_character_chart { 839: my $result = shift; 840: $result =~ s/&\#0?0?(7|9);//g; 841: $result =~ s/&\#0?(10|13);//g; 842: $result =~ s/&\#0?32;/ /g; 843: $result =~ s/&\#0?33;/!/g; 844: $result =~ s/&(\#0?34|quot);/\"/g; 845: $result =~ s/&\#0?35;/\\\#/g; 846: $result =~ s/&\#0?36;/\\\$/g; 847: $result =~ s/&\#0?37;/\\%/g; 848: $result =~ s/&(\#0?38|amp);/\\&/g; 849: $result =~ s/&\#(0?39|146);/\'/g; 850: $result =~ s/&\#0?40;/(/g; 851: $result =~ s/&\#0?41;/)/g; 852: $result =~ s/&\#0?42;/\*/g; 853: $result =~ s/&\#0?43;/\+/g; 854: $result =~ s/&\#(0?44|130);/,/g; 855: $result =~ s/&\#0?45;/-/g; 856: $result =~ s/&\#0?46;/\./g; 857: $result =~ s/&\#0?47;/\//g; 858: $result =~ s/&\#0?48;/0/g; 859: $result =~ s/&\#0?49;/1/g; 860: $result =~ s/&\#0?50;/2/g; 861: $result =~ s/&\#0?51;/3/g; 862: $result =~ s/&\#0?52;/4/g; 863: $result =~ s/&\#0?53;/5/g; 864: $result =~ s/&\#0?54;/6/g; 865: $result =~ s/&\#0?55;/7/g; 866: $result =~ s/&\#0?56;/8/g; 867: $result =~ s/&\#0?57;/9/g; 868: $result =~ s/&\#0?58;/:/g; 869: $result =~ s/&\#0?59;/;/g; 870: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g; 871: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g; 872: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g; 873: $result =~ s/&\#0?63;/\?/g; 874: $result =~ s/&\#0?65;/A/g; 875: $result =~ s/&\#0?66;/B/g; 876: $result =~ s/&\#0?67;/C/g; 877: $result =~ s/&\#0?68;/D/g; 878: $result =~ s/&\#0?69;/E/g; 879: $result =~ s/&\#0?70;/F/g; 880: $result =~ s/&\#0?71;/G/g; 881: $result =~ s/&\#0?72;/H/g; 882: $result =~ s/&\#0?73;/I/g; 883: $result =~ s/&\#0?74;/J/g; 884: $result =~ s/&\#0?75;/K/g; 885: $result =~ s/&\#0?76;/L/g; 886: $result =~ s/&\#0?77;/M/g; 887: $result =~ s/&\#0?78;/N/g; 888: $result =~ s/&\#0?79;/O/g; 889: $result =~ s/&\#0?80;/P/g; 890: $result =~ s/&\#0?81;/Q/g; 891: $result =~ s/&\#0?82;/R/g; 892: $result =~ s/&\#0?83;/S/g; 893: $result =~ s/&\#0?84;/T/g; 894: $result =~ s/&\#0?85;/U/g; 895: $result =~ s/&\#0?86;/V/g; 896: $result =~ s/&\#0?87;/W/g; 897: $result =~ s/&\#0?88;/X/g; 898: $result =~ s/&\#0?89;/Y/g; 899: $result =~ s/&\#0?90;/Z/g; 900: $result =~ s/&\#0?91;/[/g; 901: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g; 902: $result =~ s/&\#0?93;/]/g; 903: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g; 904: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g; 905: $result =~ s/&\#(0?96|145);/\`/g; 906: $result =~ s/&\#0?97;/a/g; 907: $result =~ s/&\#0?98;/b/g; 908: $result =~ s/&\#0?99;/c/g; 909: $result =~ s/&\#100;/d/g; 910: $result =~ s/&\#101;/e/g; 911: $result =~ s/&\#102;/f/g; 912: $result =~ s/&\#103;/g/g; 913: $result =~ s/&\#104;/h/g; 914: $result =~ s/&\#105;/i/g; 915: $result =~ s/&\#106;/j/g; 916: $result =~ s/&\#107;/k/g; 917: $result =~ s/&\#108;/l/g; 918: $result =~ s/&\#109;/m/g; 919: $result =~ s/&\#110;/n/g; 920: $result =~ s/&\#111;/o/g; 921: $result =~ s/&\#112;/p/g; 922: $result =~ s/&\#113;/q/g; 923: $result =~ s/&\#114;/r/g; 924: $result =~ s/&\#115;/s/g; 925: $result =~ s/&\#116;/t/g; 926: $result =~ s/&\#117;/u/g; 927: $result =~ s/&\#118;/v/g; 928: $result =~ s/&\#119;/w/g; 929: $result =~ s/&\#120;/x/g; 930: $result =~ s/&\#121;/y/g; 931: $result =~ s/&\#122;/z/g; 932: $result =~ s/&\#123;/\\{/g; 933: $result =~ s/&\#124;/\|/g; 934: $result =~ s/&\#125;/\\}/g; 935: $result =~ s/&\#126;/\~/g; 936: $result =~ s/&\#131;/\\textflorin /g; 937: $result =~ s/&\#132;/\"/g; 938: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g; 939: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g; 940: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g; 941: $result =~ s/&\#137;/\\textperthousand /g; 942: $result =~ s/&\#140;/{\\OE}/g; 943: $result =~ s/&\#147;/\`\`/g; 944: $result =~ s/&\#148;/\'\'/g; 945: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g; 946: $result =~ s/&(\#150|\#8211);/--/g; 947: $result =~ s/&\#151;/---/g; 948: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g; 949: $result =~ s/&\#153;/\\texttrademark /g; 950: $result =~ s/&\#156;/\\oe/g; 951: $result =~ s/&\#159;/\\\"Y/g; 952: $result =~ s/&(\#160|nbsp);/~/g; 953: $result =~ s/&(\#161|iexcl);/!\`/g; 954: $result =~ s/&(\#162|cent);/\\textcent /g; 955: $result =~ s/&(\#163|pound);/\\pounds /g; 956: $result =~ s/&(\#164|curren);/\\textcurrency /g; 957: $result =~ s/&(\#165|yen);/\\textyen /g; 958: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g; 959: $result =~ s/&(\#167|sect);/\\textsection /g; 960: $result =~ s/&(\#168|uml);/\\"\{\} /g; 961: $result =~ s/&(\#169|copy);/\\copyright /g; 962: $result =~ s/&(\#170|ordf);/\\textordfeminine /g; 963: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g; 964: $result =~ s/&(\#173|shy);/ - /g; 965: $result =~ s/&(\#174|reg);/\\textregistered /g; 966: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g; 967: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g; 968: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g; 969: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g; 970: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g; 971: $result =~ s/&(\#180|acute);/\\'\{\} /g; 972: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g; 973: $result =~ s/&(\#182|para);/\\P/g; 974: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g; 975: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g; 976: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g; 977: $result =~ s/&(\#186|ordm);/\\textordmasculine /g; 978: $result =~ s/&(\#188|frac14);/\\textonequarter /g; 979: $result =~ s/&(\#189|frac12);/\\textonehalf /g; 980: $result =~ s/&(\#190|frac34);/\\textthreequarters /g; 981: $result =~ s/&(\#191|iquest);/?\`/g; 982: $result =~ s/&(\#192|Agrave);/\\\`{A}/g; 983: $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 984: $result =~ s/&(\#194|Acirc);/\\^{A}/g; 985: $result =~ s/&(\#195|Atilde);/\\~{A}/g; 986: $result =~ s/&(\#196|Auml);/\\\"{A}/g; 987: $result =~ s/&(\#197|Aring);/{\\AA}/g; 988: $result =~ s/&(\#198|AElig);/{\\AE}/g; 989: $result =~ s/&(\#199|Ccedil);/\\c{c}/g; 990: $result =~ s/&(\#200|Egrave);/\\\`{E}/g; 991: $result =~ s/&(\#201|Eacute);/\\\'{E}/g; 992: $result =~ s/&(\#202|Ecirc);/\\^{E}/g; 993: $result =~ s/&(\#203|Euml);/\\\"{E}/g; 994: $result =~ s/&(\#204|Igrave);/\\\`{I}/g; 995: $result =~ s/&(\#205|Iacute);/\\\'{I}/g; 996: $result =~ s/&(\#206|Icirc);/\\^{I}/g; 997: $result =~ s/&(\#207|Iuml);/\\\"{I}/g; 998: $result =~ s/&(\#209|Ntilde);/\\~{N}/g; 999: $result =~ s/&(\#210|Ograve);/\\\`{O}/g; 1000: $result =~ s/&(\#211|Oacute);/\\\'{O}/g; 1001: $result =~ s/&(\#212|Ocirc);/\\^{O}/g; 1002: $result =~ s/&(\#213|Otilde);/\\~{O}/g; 1003: $result =~ s/&(\#214|Ouml);/\\\"{O}/g; 1004: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g; 1005: $result =~ s/&(\#216|Oslash);/{\\O}/g; 1006: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g; 1007: $result =~ s/&(\#218|Uacute);/\\\'{U}/g; 1008: $result =~ s/&(\#219|Ucirc);/\\^{U}/g; 1009: $result =~ s/&(\#220|Uuml);/\\\"{U}/g; 1010: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g; 1011: $result =~ s/&(\#223|szlig);/{\\ss}/g; 1012: $result =~ s/&(\#224|agrave);/\\\`{a}/g; 1013: $result =~ s/&(\#225|aacute);/\\\'{a}/g; 1014: $result =~ s/&(\#226|acirc);/\\^{a}/g; 1015: $result =~ s/&(\#227|atilde);/\\~{a}/g; 1016: $result =~ s/&(\#228|auml);/\\\"{a}/g; 1017: $result =~ s/&(\#229|aring);/{\\aa}/g; 1018: $result =~ s/&(\#230|aelig);/{\\ae}/g; 1019: $result =~ s/&(\#231|ccedil);/\\c{c}/g; 1020: $result =~ s/&(\#232|egrave);/\\\`{e}/g; 1021: $result =~ s/&(\#233|eacute);/\\\'{e}/g; 1022: $result =~ s/&(\#234|ecirc);/\\^{e}/g; 1023: $result =~ s/&(\#235|euml);/\\\"{e}/g; 1024: $result =~ s/&(\#236|igrave);/\\\`{i}/g; 1025: $result =~ s/&(\#237|iacute);/\\\'{i}/g; 1026: $result =~ s/&(\#238|icirc);/\\^{i}/g; 1027: $result =~ s/&(\#239|iuml);/\\\"{i}/g; 1028: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g; 1029: $result =~ s/&(\#241|ntilde);/\\~{n}/g; 1030: $result =~ s/&(\#242|ograve);/\\\`{o}/g; 1031: $result =~ s/&(\#243|oacute);/\\\'{o}/g; 1032: $result =~ s/&(\#244|ocirc);/\\^{o}/g; 1033: $result =~ s/&(\#245|otilde);/\\~{o}/g; 1034: $result =~ s/&(\#246|ouml);/\\\"{o}/g; 1035: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g; 1036: $result =~ s/&(\#248|oslash);/{\\o}/g; 1037: $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 1038: $result =~ s/&(\#250|uacute);/\\\'{u}/g; 1039: $result =~ s/&(\#251|ucirc);/\\^{u}/g; 1040: $result =~ s/&(\#252|uuml);/\\\"{u}/g; 1041: $result =~ s/&(\#253|yacute);/\\\'{y}/g; 1042: $result =~ s/&(\#255|yuml);/\\\"{y}/g; 1043: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g; 1044: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g; 1045: #Greek Alphabet 1046: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g; 1047: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g; 1048: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g; 1049: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g; 1050: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g; 1051: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g; 1052: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g; 1053: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g; 1054: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g; 1055: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g; 1056: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g; 1057: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g; 1058: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g; 1059: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g; 1060: $result =~ s/&(omicron|\#959);/o/g; 1061: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g; 1062: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g; 1063: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g; 1064: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g; 1065: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g; 1066: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g; 1067: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g; 1068: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g; 1069: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g; 1070: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g; 1071: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g; 1072: $result =~ s/&(Alpha|\#913);/A/g; 1073: $result =~ s/&(Beta|\#914);/B/g; 1074: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g; 1075: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g; 1076: $result =~ s/&(Epsilon|\#917);/E/g; 1077: $result =~ s/&(Zeta|\#918);/Z/g; 1078: $result =~ s/&(Eta|\#919);/H/g; 1079: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g; 1080: $result =~ s/&(Iota|\#921);/I/g; 1081: $result =~ s/&(Kappa|\#922);/K/g; 1082: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g; 1083: $result =~ s/&(Mu|\#924);/M/g; 1084: $result =~ s/&(Nu|\#925);/N/g; 1085: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g; 1086: $result =~ s/&(Omicron|\#927);/O/g; 1087: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g; 1088: $result =~ s/&(Rho|\#929);/P/g; 1089: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g; 1090: $result =~ s/&(Tau|\#932);/T/g; 1091: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g; 1092: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g; 1093: $result =~ s/&(Chi|\#935);/X/g; 1094: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g; 1095: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g; 1096: #Arrows (extended HTML 4.01) 1097: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g; 1098: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g; 1099: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g; 1100: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g; 1101: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g; 1102: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g; 1103: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g; 1104: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g; 1105: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g; 1106: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g; 1107: #Mathematical Operators (extended HTML 4.01) 1108: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g; 1109: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g; 1110: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g; 1111: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g; 1112: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g; 1113: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g; 1114: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g; 1115: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g; 1116: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g; 1117: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g; 1118: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g; 1119: $result =~ s/–/\\ensuremath\{-\}/g; 1120: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g; 1121: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g; 1122: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g; 1123: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g; 1124: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g; 1125: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g; 1126: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g; 1127: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g; 1128: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g; 1129: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g; 1130: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g; 1131: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g; 1132: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g; 1133: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g; 1134: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g; 1135: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g; 1136: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g; 1137: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g; 1138: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g; 1139: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g; 1140: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g; 1141: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g; 1142: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g; 1143: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g; 1144: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g; 1145: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g; 1146: #Geometric Shapes (extended HTML 4.01) 1147: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g; 1148: #Miscellaneous Symbols (extended HTML 4.01) 1149: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g; 1150: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g; 1151: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g; 1152: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g; 1153: # Chemically useful 'things' contributed by Hon Kie (bug 4652). 1154: 1155: $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g; 1156: $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g; 1157: $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g; 1158: $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g; 1159: $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g; 1160: $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g; 1161: $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g; 1162: $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g; 1163: $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g; 1164: $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g; 1165: $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g; 1166: $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g; 1167: $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g; 1168: 1169: # Left/right quotations: 1170: 1171: $result =~ s/&(ldquo|#8220);/\`\`/g; 1172: $result =~ s/&(rdquo|#8221);/\'\'/g; 1173: 1174: 1175: 1176: return $result; 1177: } 1178: 1179: 1180: #width, height, oddsidemargin, evensidemargin, topmargin 1181: my %page_formats= 1182: ('letter' => { 1183: 'book' => { 1184: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'], 1185: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'] 1186: }, 1187: 'album' => { 1188: '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','0.394 in'], 1189: '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in'] 1190: }, 1191: }, 1192: 'legal' => { 1193: 'book' => { 1194: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'], 1195: '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in'] 1196: }, 1197: 'album' => { 1198: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'], 1199: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in'] 1200: }, 1201: }, 1202: 'tabloid' => { 1203: 'book' => { 1204: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'], 1205: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in'] 1206: }, 1207: 'album' => { 1208: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'], 1209: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in'] 1210: }, 1211: }, 1212: 'executive' => { 1213: 'book' => { 1214: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'], 1215: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in'] 1216: }, 1217: 'album' => { 1218: '1' => [], 1219: '2' => [] 1220: }, 1221: }, 1222: 'a2' => { 1223: 'book' => { 1224: '1' => [], 1225: '2' => [] 1226: }, 1227: 'album' => { 1228: '1' => [], 1229: '2' => [] 1230: }, 1231: }, 1232: 'a3' => { 1233: 'book' => { 1234: '1' => [], 1235: '2' => [] 1236: }, 1237: 'album' => { 1238: '1' => [], 1239: '2' => [] 1240: }, 1241: }, 1242: 'a4' => { 1243: 'book' => { 1244: '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'], 1245: '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'] 1246: }, 1247: 'album' => { 1248: '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'], 1249: '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm'] 1250: }, 1251: }, 1252: 'a5' => { 1253: 'book' => { 1254: '1' => [], 1255: '2' => [] 1256: }, 1257: 'album' => { 1258: '1' => [], 1259: '2' => [] 1260: }, 1261: }, 1262: 'a6' => { 1263: 'book' => { 1264: '1' => [], 1265: '2' => [] 1266: }, 1267: 'album' => { 1268: '1' => [], 1269: '2' => [] 1270: }, 1271: }, 1272: ); 1273: 1274: sub page_format { 1275: # 1276: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]", 1277: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]", 1278: # "A2 [420x594 mm]", "A3 [297x420 mm]", 1279: # "A4 [210x297 mm]", "A5 [148x210 mm]", 1280: # "A6 [105x148 mm]" 1281: # 1282: my ($papersize,$layout,$numberofcolumns) = @_; 1283: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}}; 1284: } 1285: 1286: 1287: sub get_name { 1288: my ($uname,$udom)=@_; 1289: if (!defined($uname)) { $uname=$env{'user.name'}; } 1290: if (!defined($udom)) { $udom=$env{'user.domain'}; } 1291: my $plainname=&Apache::loncommon::plainname($uname,$udom); 1292: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; } 1293: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header'); 1294: return $plainname; 1295: } 1296: 1297: sub get_course { 1298: my $courseidinfo; 1299: if (defined($env{'request.course.id'})) { 1300: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header'); 1301: } 1302: return $courseidinfo; 1303: } 1304: 1305: sub page_format_transformation { 1306: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 1307: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin); 1308: 1309: if ($selectionmade eq '4') { 1310: if ($choice eq 'all_problems') { 1311: $assignment=&mt('Problems from the Whole Course'); 1312: } else { 1313: $assignment=&mt('Resources from the Whole Course'); 1314: } 1315: } else { 1316: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header'); 1317: } 1318: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin); 1319: 1320: 1321: my $name = &get_name(); 1322: my $courseidinfo = &get_course(); 1323: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } 1324: my $header_text = $parmhash{'print_header_format'}; 1325: $header_text = &format_page_header($textwidth, $header_text, $assignment, 1326: $courseidinfo, $name); 1327: my $topmargintoinsert = ''; 1328: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';} 1329: my $fancypagestatement=''; 1330: if ($numberofcolumns eq '2') { 1331: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}"; 1332: } else { 1333: $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}"; 1334: } 1335: if ($layout eq 'album') { 1336: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /; 1337: } elsif ($layout eq 'book') { 1338: if ($choice ne 'All class print') { 1339: $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/; 1340: } else { 1341: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /; 1342: } 1343: if ($papersize eq 'a4') { 1344: my $papersize_text; 1345: if ($perm{'pav'}) { 1346: $papersize_text = '\\special{papersize=210mm,297mm}'; 1347: } else { 1348: $papersize_text = '\special{papersize=210mm,297mm}'; 1349: } 1350: $text =~ s/(\\begin{document})/$1$papersize_text/; 1351: } 1352: } 1353: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;} 1354: if ($indexlist eq 'yes') { 1355: $text=~s/(\\begin{document})/\\makeindex $1/; 1356: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/; 1357: } 1358: return $text; 1359: } 1360: 1361: 1362: sub page_cleanup { 1363: my $result = shift; 1364: 1365: $result =~ m/\\end{document}(\d*)$/; 1366: my $number_of_columns = $1; 1367: my $insert = '{'; 1368: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; } 1369: $insert .= '}'; 1370: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g; 1371: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g; 1372: return $result,$number_of_columns; 1373: } 1374: 1375: 1376: sub details_for_menu { 1377: my ($helper)=@_; 1378: my $postdata=$env{'form.postdata'}; 1379: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; } 1380: my $name_of_resource = &Apache::lonnet::gettitle($postdata); 1381: my $symbolic = &Apache::lonnet::symbread($postdata); 1382: return if ( $symbolic eq ''); 1383: 1384: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic); 1385: $map=&Apache::lonnet::clutter($map); 1386: my $name_of_sequence = &Apache::lonnet::gettitle($map); 1387: if ($name_of_sequence =~ /^\s*$/) { 1388: $map =~ m|([^/]+)$|; 1389: $name_of_sequence = $1; 1390: } 1391: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'}); 1392: if ($name_of_map =~ /^\s*$/) { 1393: $env{'request.course.uri'} =~ m|([^/]+)$|; 1394: $name_of_map = $1; 1395: } 1396: return ($name_of_resource,$name_of_sequence,$name_of_map); 1397: } 1398: 1399: sub copyright_line { 1400: return '\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\vspace*{-2 mm}\newline\noindent{\tiny Printed from LON-CAPA\copyright MSU{\hfill} Licensed under GNU General Public License } '; 1401: } 1402: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n"; 1403: 1404: sub latex_corrections { 1405: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_; 1406: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g; 1407: my $copyright = &copyright_line(); 1408: if ($selectionmade eq '1' || $answer_mode eq 'only') { 1409: $result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/; 1410: } else { 1411: $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/; 1412: } 1413: $result =~ s/\$number_of_columns/$number_of_columns/g; 1414: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g; 1415: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g; 1416: #-- LaTeX corrections 1417: my $first_comment = index($result,'',$first_comment); 1420: substr($result,$first_comment,$end_comment-$first_comment+3) = ''; 1421: $first_comment = index($result,'<!--',$first_comment); 1422: } 1423: $result =~ s/^\s+$//gm; #remove empty lines 1424: #removes more than one empty space 1425: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge; 1426: $result =~ s/\\\\\s*\\vskip/\\vskip/gm; 1427: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g; 1428: $result =~ s/{\\par }\s*\\\\/\\\\/gm; 1429: $result =~ s/\\\\\s+\[/ \[/g; 1430: #conversion of html characters to LaTeX equivalents 1431: if ($result =~ m/&(\w+|#\d+);/) { 1432: $result = &character_chart($result); 1433: } 1434: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g; 1435: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g; 1436: return $result; 1437: } 1438: 1439: 1440: sub index_table { 1441: my $currentURL = shift; 1442: my $insex_string=''; 1443: $currentURL=~s/\.([^\/+])$/\.$1\.meta/; 1444: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords'); 1445: return $insex_string; 1446: } 1447: 1448: 1449: sub IndexCreation { 1450: my ($texversion,$currentURL)=@_; 1451: my @key_words=split(/,/,&index_table($currentURL)); 1452: my $chunk=''; 1453: my $st=index $texversion,'\addcontentsline{toc}{subsection}{'; 1454: if ($st>0) { 1455: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);} 1456: $chunk=substr($texversion,0,$st+1); 1457: substr($texversion,0,$st+1)=' '; 1458: } 1459: foreach my $key_word (@key_words) { 1460: if ($key_word=~/\S+/) { 1461: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i; 1462: } 1463: } 1464: if ($st>0) {substr($texversion,0,1)=$chunk;} 1465: return $texversion; 1466: } 1467: 1468: sub print_latex_header { 1469: my $mode=shift; 1470: 1471: return &Apache::londefdef::latex_header($mode); 1472: } 1473: 1474: sub path_to_problem { 1475: my ($urlp,$colwidth)=@_; 1476: $urlp=&Apache::lonnet::clutter($urlp); 1477: 1478: my $newurlp = ''; 1479: $colwidth=~s/\s*mm\s*$//; 1480: #characters average about 2 mm in width 1481: if (length($urlp)*2 > $colwidth) { 1482: my @elements = split('/',$urlp); 1483: my $curlength=0; 1484: foreach my $element (@elements) { 1485: if ($element eq '') { next; } 1486: if ($curlength+(length($element)*2) > $colwidth) { 1487: $newurlp .= '|\vskip -1 mm \verb|'; 1488: $curlength=length($element)*2; 1489: } else { 1490: $curlength+=length($element)*2; 1491: } 1492: $newurlp.='/'.$element; 1493: } 1494: } else { 1495: $newurlp=$urlp; 1496: } 1497: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}'; 1498: } 1499: 1500: sub recalcto_mm { 1501: my $textwidth=shift; 1502: my $LaTeXwidth; 1503: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) { 1504: $LaTeXwidth = $1*10; 1505: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) { 1506: $LaTeXwidth = $1; 1507: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) { 1508: $LaTeXwidth = $1*25.4; 1509: } 1510: $LaTeXwidth.=' mm'; 1511: return $LaTeXwidth; 1512: } 1513: 1514: sub get_textwidth { 1515: my ($helper,$LaTeXwidth)=@_; 1516: my $textwidth=$LaTeXwidth; 1517: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ && 1518: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) { 1519: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '. 1520: $helper->{'VARS'}->{'pagesize.widthunit'}); 1521: } 1522: return $textwidth; 1523: } 1524: 1525: 1526: sub unsupported { 1527: my ($currentURL,$mode,$symb)=@_; 1528: if ($mode ne '') {$mode='\\'.$mode} 1529: my $result.= &print_latex_header($mode); 1530: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) { 1531: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|; 1532: my $title=&Apache::lonnet::gettitle($symb); 1533: $title = &Apache::lonxml::latex_special_symbols($title); 1534: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' '; 1535: } else { 1536: $result.=$currentURL; 1537: } 1538: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}'; 1539: return $result; 1540: } 1541: 1542: # 1543: # Map from helper layout style to the book/album: 1544: # 1545: sub map_laystyle { 1546: my ($laystyle) = @_; 1547: if ($laystyle eq 'L') { 1548: $laystyle='album'; 1549: } else { 1550: $laystyle='book'; 1551: } 1552: return $laystyle; 1553: } 1554: 1555: sub print_page_in_course { 1556: my ($helper, $rparmhash, $currentURL, $resources) = @_; 1557: my %parmhash = %$rparmhash; 1558: my @page_resources = @$resources; 1559: my $mode = $helper->{'VARS'}->{'LATEX_TYPE'}; 1560: my $symb = $helper->{'VARS'}->{'symb'}; 1561: 1562: 1563: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'}; 1564: 1565: 1566: my @temporary_array=split /\|/,$format_from_helper; 1567: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array; 1568: $laystyle = &map_laystyle($laystyle); 1569: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle, 1570: $numberofcolumns); 1571: my $LaTeXwidth=&recalcto_mm($textwidth); 1572: 1573: 1574: if ($mode ne '') {$mode='\\'.$mode} 1575: my $result = &print_latex_header($mode); 1576: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) { 1577: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|; 1578: my $title=&Apache::lonnet::gettitle($symb); 1579: $title = &Apache::lonxml::latex_special_symbols($title); 1580: } else { 1581: my $esc_currentURL= $currentURL; 1582: $esc_currentURL =~ s/_/\\_/g; 1583: $result.=$esc_currentURL; 1584: } 1585: $result .= '\\\\'; 1586: 1587: if ($helper->{'VARS'}->{'style_file'}=~/\w/) { 1588: &Apache::lonnet::appenv({'construct.style' => 1589: $helper->{'VARS'}->{'style_file'}}); 1590: } elsif ($env{'construct.style'}) { 1591: &Apache::lonnet::delenv('construct.style'); 1592: } 1593: 1594: # First is the overall page description. This is then followed by the 1595: # components of the page. Each of which must be printed independently. 1596: my $the_page = shift(@page_resources); 1597: 1598: 1599: foreach my $resource (@page_resources) { 1600: my $resource_src = $resource->src(); # Essentially the URL of the resource. 1601: $result .= $resource->title() . '\\\\'; 1602: 1603: # Recurse if a .page: 1604: 1605: if ($resource_src =~ /.page$/i) { 1606: my $navmap = Apache::lonnavmaps::navmap->new(); 1607: my @page_resources = $navmap->retrieveResources($resource_src); 1608: $result .= &print_page_in_course($helper, $rparmhash, 1609: $resource_src, \@page_resources); 1610: } 1611: # these resources go through the XML transformer: 1612: 1613: elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) { 1614: my $urlp = &Apache::lonnet::clutter($resource_src); 1615: my %form; 1616: my %moreenv; 1617: 1618: &Apache::lonxml::remember_problem_counter(); 1619: $moreenv{'request.filename'}=$urlp; 1620: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';} 1621: 1622: $form{'grade_target'} = 'tex'; 1623: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth); 1624: $form{'pdfFormFields'} = 'no'; 1625: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'}; 1626: 1627: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 1628: $form{'suppress_tries'}=$parmhash{'suppress_tries'}; 1629: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 1630: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 1631: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 1632: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') || 1633: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) { 1634: $form{'problem_split'}='yes'; 1635: } 1636: my $rndseed = time; 1637: if ($helper->{'VARS'}->{'curseed'}) { 1638: $rndseed=$helper->{'VARS'}->{'curseed'}; 1639: } 1640: $form{'rndseed'}=$rndseed; 1641: &Apache::lonnet::appenv(\%moreenv); 1642: 1643: &Apache::lonxml::clear_problem_counter(); 1644: 1645: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form); 1646: 1647: 1648: # current document with answers.. no need to encap in minipage 1649: # since there's only one answer. 1650: 1651: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 1652: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 1653: my %answerform = %form; 1654: 1655: 1656: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'}; 1657: $answerform{'grade_target'}='answer'; 1658: $answerform{'answer_output_mode'}='tex'; 1659: $answerform{'rndseed'}=$rndseed; 1660: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') { 1661: $answerform{'problemtype'}='exam'; 1662: } 1663: $resources_printed .= $urlp.':'; 1664: my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform); 1665: 1666: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 1667: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 1668: } else { 1669: $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 1670: if ($helper->{'VARS'}->{'construction'} ne '1') { 1671: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}); 1672: $title = &Apache::lonxml::latex_special_symbols($title); 1673: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm '; 1674: $texversion.=&path_to_problem($urlp,$LaTeXwidth); 1675: } else { 1676: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm '; 1677: my $URLpath=$urlp; 1678: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/; 1679: $texversion.=&path_to_problem($URLpath,$LaTeXwidth); 1680: } 1681: $texversion.='\vskip 1 mm '.$answer.'\end{document}'; 1682: } 1683: 1684: 1685: 1686: 1687: 1688: } 1689: # Print annotations. 1690: 1691: 1692: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 1693: my $annotation .= &annotate($currentURL); 1694: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/; 1695: } 1696: 1697: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 1698: $texversion=&IndexCreation($texversion,$currentURL); 1699: } 1700: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') { 1701: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /; 1702: 1703: } 1704: $texversion = &latex_header_footer_remove($texversion); 1705: 1706: # the first remaining line is a comment from londefdef the second 1707: # line seems to be an extraneous \vskip 1mm \\\\ : 1708: # (imperfect removal from header_footer_remove? 1709: 1710: $texversion =~ s/\\vskip 1mm \\\\\\\\//; 1711: 1712: $result .= $texversion; 1713: if ($currentURL=~m/\.page\s*$/) { 1714: ($result,$numberofcolumns) = &page_cleanup($result); 1715: } 1716: } 1717: } 1718: 1719: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}'; 1720: return $result; 1721: } 1722: 1723: 1724: # 1725: # List of recently generated print files 1726: # 1727: sub recently_generated { 1728: my ($prtspool) = @_; 1729: my $output; 1730: my $zip_result; 1731: my $pdf_result; 1732: opendir(DIR,$prtspool); 1733: 1734: my @files = 1735: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR)); 1736: closedir(DIR); 1737: 1738: @files = sort { 1739: my ($actime) = (stat($prtspool.'/'.$a))[10]; 1740: my ($bctime) = (stat($prtspool.'/'.$b))[10]; 1741: return $bctime <=> $actime; 1742: } (@files); 1743: 1744: foreach my $filename (@files) { 1745: my ($ext) = ($filename =~ m/(pdf|zip)$/); 1746: my ($cdev,$cino,$cmode,$cnlink, 1747: $cuid,$cgid,$crdev,$csize, 1748: $catime,$cmtime,$cctime, 1749: $cblksize,$cblocks)=stat($prtspool.'/'.$filename); 1750: my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File'); 1751: my $result=&Apache::loncommon::start_data_table_row() 1752: .'<td>' 1753: .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>' 1754: .'</td>' 1755: .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>' 1756: .'<td align="right">'.$csize.'</td>' 1757: .&Apache::loncommon::end_data_table_row(); 1758: if ($ext eq 'pdf') { $pdf_result .= $result; } 1759: if ($ext eq 'zip') { $zip_result .= $result; } 1760: } 1761: if ($zip_result || $pdf_result) { 1762: $output ='<hr />'; 1763: } 1764: if ($zip_result) { 1765: $output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n" 1766: .&Apache::loncommon::start_data_table() 1767: .&Apache::loncommon::start_data_table_header_row() 1768: .'<th>'.&mt('Download').'</th>' 1769: .'<th>'.&mt('Creation Date').'</th>' 1770: .'<th>'.&mt('File Size (Bytes)').'</th>' 1771: .&Apache::loncommon::end_data_table_header_row() 1772: .$zip_result 1773: .&Apache::loncommon::end_data_table(); 1774: } 1775: if ($pdf_result) { 1776: $output .='<h3>'.&mt('Recently generated printouts')."</h3>\n" 1777: .&Apache::loncommon::start_data_table() 1778: .&Apache::loncommon::start_data_table_header_row() 1779: .'<th>'.&mt('Download').'</th>' 1780: .'<th>'.&mt('Creation Date').'</th>' 1781: .'<th>'.&mt('File Size (Bytes)').'</th>' 1782: .&Apache::loncommon::end_data_table_header_row() 1783: .$pdf_result 1784: .&Apache::loncommon::end_data_table(); 1785: } 1786: return $output; 1787: } 1788: 1789: # 1790: # Retrieve the hash of page breaks. 1791: # 1792: # Inputs: 1793: # helper - reference to helper object. 1794: # Outputs 1795: # A reference to a page break hash. 1796: # 1797: # 1798: # use Data::Dumper; 1799: # sub dump_helper_vars { 1800: # my ($helper) = @_; 1801: # my $helpervars = Dumper($helper->{'VARS'}); 1802: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars"); 1803: #} 1804: 1805: sub get_page_breaks { 1806: my ($helper) = @_; 1807: my %page_breaks; 1808: 1809: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) { 1810: $page_breaks{$break} = 1; 1811: } 1812: return %page_breaks; 1813: } 1814: # 1815: # Returns text to insert for any extra vskip prior to the resource. 1816: # Parameters: 1817: # helper - Reference to the helper object driving the printout. 1818: # resource - Identifies the resource about to be printed. 1819: # 1820: # This is done as follows: 1821: # POSSIBLE_RESOURCES has the list of possible resources. 1822: # EXTRASPACE has the list of extra space values. 1823: # EXTRASPACE_UNITS is the set of resources for which the units are 1824: # mm. All others are 'in'. 1825: # 1826: # The resource is found in the POSSIBLE_RESOURCES to get the index 1827: # of the EXTRASPACE value. 1828: # 1829: # In order to speed this up for lengthy printouts, the first time, 1830: # POSSIBLE_RESOURCES is turned into a look up hash and 1831: # EXTRASPACE is turned into an array. 1832: # 1833: 1834: 1835: my %possible_resources; 1836: my %extraspace_mm; 1837: my @extraspace; 1838: my $skips_loaded = 0; 1839: 1840: # Function to load the skips hash and array 1841: 1842: sub load_skips { 1843: 1844: my ($helper) = @_; 1845: 1846: # If this is the first time, unrap the resources and extra spaces: 1847: 1848: if (!$skips_loaded) { 1849: @extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'})); 1850: my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'})); 1851: my $i = 0; 1852: foreach my $resource (@resource_list) { 1853: $possible_resources{$resource} = $i; 1854: $i++; 1855: } 1856: foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) { 1857: $extraspace_mm{$mm_resource} = 1; 1858: } 1859: $skips_loaded = 1; 1860: } 1861: } 1862: 1863: sub get_extra_vspaces { 1864: my ($helper, $resource) = @_; 1865: 1866: &load_skips($helper); 1867: 1868: # Lookup the resource in the possible resources hash.. that is the index 1869: # into the extraspace array that gives us either an empty string or 1870: # the number of mm to skip: 1871: 1872: my $index = $possible_resources{$resource}; 1873: my $skip = $extraspace[$index]; 1874: 1875: my $result = ''; 1876: if ($skip ne '') { 1877: my $units = 'in'; 1878: if (defined($extraspace_mm{$resource})) { 1879: $units = 'mm'; 1880: } 1881: $result = '\vskip '.$skip.' '.$units; 1882: } 1883: 1884: 1885: return $result; 1886: 1887: 1888: } 1889: 1890: # 1891: # The resource chooser part of the helper needs more than just 1892: # the value of the extraspaces var to recover the value into a text 1893: # field option. This sub produces the required format for the saved var: 1894: # specifically 1895: # ||| separated fields of the form resourcename=value 1896: # 1897: # Parameters: 1898: # $helper - Refers to the helper we are configuring 1899: # Implicit input: 1900: # $helper->{'VARS'}->{'EXTRASPACE'} - the spaces helper var has the text field 1901: # value. 1902: # $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes). 1903: # $helper->{'VARS'}->{'POSSIBLE_RESOURCES'} - has the list of resources. ||| 1904: # separated of course. 1905: # Implicit outputs: 1906: # $env{'form.extraspace'} 1907: # $env{'form.extraspace_units'} 1908: # 1909: sub set_form_extraspace { 1910: my ($helper) = @_; 1911: 1912: # the most convenient way to do this is to drive from the skips arrays/hash. 1913: # may not be the fastest, but this is once per print request so it's not so 1914: # speed critical: 1915: 1916: &load_skips($helper); 1917: 1918: my $result = ''; 1919: 1920: foreach my $resource (keys(%possible_resources)) { 1921: my $vskip = $extraspace[$possible_resources{$resource}]; 1922: $result .= $resource .'=' . $vskip . '|||'; 1923: } 1924: 1925: $env{'form.extraspace'} = $result; 1926: $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'}; 1927: return $result; 1928: 1929: } 1930: 1931: # Output a sequence (recursively if neeed) 1932: # from construction space. 1933: # Parameters: 1934: # url = URL of the sequence to print. 1935: # helper - Reference to the helper hash. 1936: # form - Copy of the format hash. 1937: # LaTeXWidth 1938: # Returns: 1939: # Text to add to the printout. 1940: # NOTE if the first element of the outermost sequence 1941: # is itself a sequence, the outermost caller may need to 1942: # prefix the latex with the page headers stuff. 1943: # 1944: sub print_construction_sequence { 1945: my ($currentURL, $helper, %form, $LaTeXwidth) = @_; 1946: my $result; 1947: my $rndseed=time; 1948: if ($helper->{'VARS'}->{'curseed'}) { 1949: $rndseed=$helper->{'VARS'}->{'curseed'}; 1950: } 1951: my $errtext=&LONCAPA::map::mapread($currentURL); 1952: # 1953: # These make this all support recursing for subsequences. 1954: # 1955: my @order = @LONCAPA::map::order; 1956: my @resources = @LONCAPA::map::resources; 1957: for (my $member=0;$member<=$#order;$member++) { 1958: $resources[$order[$member]]=~/^([^:]*):([^:]*):/; 1959: my $urlp=$2; 1960: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) { 1961: my $texversion=''; 1962: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') { 1963: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 1964: $form{'suppress_tries'}=$parmhash{'suppress_tries'}; 1965: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 1966: $form{'rndseed'}=$rndseed; 1967: $resources_printed .=$urlp.':'; 1968: $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form); 1969: } 1970: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 1971: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 1972: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) { 1973: # Don't permanently modify %$form... 1974: my %answerform = %form; 1975: $answerform{'grade_target'}='answer'; 1976: $answerform{'answer_output_mode'}='tex'; 1977: $answerform{'rndseed'}=$rndseed; 1978: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'}; 1979: if ($urlp=~/\/res\//) {$env{'request.state'}='published';} 1980: $resources_printed .= $urlp.':'; 1981: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform); 1982: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 1983: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 1984: } else { 1985: # If necessary, encapsulate answer in minipage: 1986: 1987: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 1988: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}); 1989: $title = &Apache::lonxml::latex_special_symbols($title); 1990: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm '; 1991: $body.=&path_to_problem($urlp,$LaTeXwidth); 1992: $body.='\vskip 1 mm '.$answer.'\end{document}'; 1993: $body = &encapsulate_minipage($body); 1994: $texversion.=$body; 1995: } 1996: } 1997: $texversion = &latex_header_footer_remove($texversion); 1998: 1999: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 2000: $texversion=&IndexCreation($texversion,$urlp); 2001: } 2002: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') { 2003: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /; 2004: } 2005: $result.=$texversion; 2006: 2007: } elsif ($urlp=~/\.(sequence|page)$/) { 2008: 2009: # header: 2010: 2011: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent '; 2012: 2013: # IF sequence, recurse: 2014: 2015: if ($urlp =~ /\.sequence$/) { 2016: my $sequence_url = $urlp; 2017: my $domain = $env{'user.domain'}; # Constr. space only on local 2018: my $user = $env{'user.name'}; 2019: 2020: $sequence_url =~ s/^\/res\/$domain/\/home/; 2021: $sequence_url =~ s/^(\/home\/$user)/$1\/public_html/; 2022: # $sequence_url =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|; 2023: $result .= &print_construction_sequence($sequence_url, 2024: $helper, %form, 2025: $LaTeXwidth); 2026: } 2027: } 2028: elsif ($urlp =~ /\.pdf$/i) { 2029: my $texversion; 2030: if ($member != 0) { 2031: $texversion .= '\cleardoublepage'; 2032: } 2033: 2034: $texversion .= &include_pdf($urlp); 2035: $texversion = &latex_header_footer_remove($texversion); 2036: if ($member != $#order) { 2037: $texversion .= '\\ \cleardoublepage'; 2038: } 2039: 2040: $result .= $texversion; 2041: } 2042: } 2043: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;} 2044: return $result; 2045: } 2046: 2047: sub output_data { 2048: my ($r,$helper,$rparmhash) = @_; 2049: my %parmhash = %$rparmhash; 2050: $ssi_error = 0; # This will be set nonzero by failing ssi's. 2051: $resources_printed = ''; 2052: $font_size = $helper->{'VARS'}->{'fontsize'}; 2053: my $do_postprocessing = 1; 2054: my $js = <<ENDPART; 2055: <script type="text/javascript"> 2056: var editbrowser; 2057: function openbrowser(formname,elementname,only,omit) { 2058: var url = '/res/?'; 2059: if (editbrowser == null) { 2060: url += 'launch=1&'; 2061: } 2062: url += 'catalogmode=interactive&'; 2063: url += 'mode=parmset&'; 2064: url += 'form=' + formname + '&'; 2065: if (only != null) { 2066: url += 'only=' + only + '&'; 2067: } 2068: if (omit != null) { 2069: url += 'omit=' + omit + '&'; 2070: } 2071: url += 'element=' + elementname + ''; 2072: var title = 'Browser'; 2073: var options = 'scrollbars=1,resizable=1,menubar=0'; 2074: options += ',width=700,height=600'; 2075: editbrowser = open(url,title,options,'1'); 2076: editbrowser.focus(); 2077: } 2078: </script> 2079: ENDPART 2080: 2081: 2082: # Breadcrumbs 2083: #FIXME: Choose better/different breadcrumbs?!? Links? 2084: my $brcrum = [{'href' => '', 2085: 'text' => 'Helper'}, #FIXME: Different origin possible than print out helper? 2086: {'href' => '', 2087: 'text' => 'Preparing Printout'}]; 2088: 2089: my $start_page = &Apache::loncommon::start_page('Preparing Printout', 2090: $js, 2091: {'bread_crumbs' => $brcrum,}); 2092: my $msg = &mt('Please stand by while processing your print request, this may take some time ...'); 2093: 2094: $r->print($start_page."\n<p>\n$msg\n</p>\n"); 2095: 2096: # fetch the pagebreaks and store them in the course environment 2097: # The page breaks will be pulled into the hash %page_breaks which is 2098: # indexed by symb and contains 1's for each break. 2099: 2100: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'}; 2101: &set_form_extraspace($helper); 2102: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 2103: &Apache::loncommon::store_course_settings('print', 2104: {'pagebreaks' => 'scalar', 2105: 'extraspace' => 'scalar', 2106: 'extraspace_units' => 'scalar', 2107: 'lastprinttype' => 'scalar'}); 2108: my %page_breaks = &get_page_breaks($helper); 2109: 2110: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'}; 2111: my ($result,$selectionmade) = ('',''); 2112: my $number_of_columns = 1; #used only for pages to determine the width of the cell 2113: my @temporary_array=split /\|/,$format_from_helper; 2114: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array; 2115: 2116: $laystyle = &map_laystyle($laystyle); 2117: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns); 2118: my $assignment = $env{'form.assignment'}; 2119: my $LaTeXwidth=&recalcto_mm($textwidth); 2120: my @print_array=(); 2121: my @student_names=(); 2122: 2123: 2124: # Common settings for the %form has: 2125: # In some cases these settings get overriddent by specific cases, but the 2126: # settings are common enough to make it worthwhile factoring them out 2127: # here. 2128: # 2129: my %form; 2130: $form{'grade_target'} = 'tex'; 2131: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth); 2132: $form{'pdfFormFields'} = 'no'; 2133: 2134: # If form.showallfoils is set, then request all foils be shown: 2135: # privilege will be enforced both by not allowing the 2136: # check box selecting this option to be presnt unless it's ok, 2137: # and by lonresponse's priv. check. 2138: # The if is here because lonresponse.pm only cares that 2139: # showallfoils is defined, not what the value is. 2140: 2141: if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 2142: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'}; 2143: } 2144: 2145: if ($helper->{'VARS'}->{'style_file'}=~/\w/) { 2146: &Apache::lonnet::appenv({'construct.style' => 2147: $helper->{'VARS'}->{'style_file'}}); 2148: } elsif ($env{'construct.style'}) { 2149: &Apache::lonnet::delenv('construct.style'); 2150: } 2151: 2152: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') { 2153: #-- single document - problem, page, html, xml, ... 2154: my ($currentURL,$cleanURL); 2155: 2156: if ($helper->{'VARS'}->{'construction'} ne '1') { 2157: #prints published resource 2158: $currentURL=$helper->{'VARS'}->{'postdata'}; 2159: $cleanURL=&Apache::lonenc::check_decrypt($currentURL); 2160: } else { 2161: 2162: #prints resource from the construction space 2163: $currentURL='/'.$helper->{'VARS'}->{'filename'}; 2164: if ($currentURL=~/([^?]+)/) {$currentURL=$1;} 2165: $cleanURL=$currentURL; 2166: } 2167: $selectionmade = 1; 2168: if ($cleanURL!~m|^/adm/| 2169: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) { 2170: my $rndseed=time; 2171: my $texversion=''; 2172: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') { 2173: my %moreenv; 2174: $moreenv{'request.filename'}=$cleanURL; 2175: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';} 2176: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 2177: $form{'suppress_tries'}=$parmhash{'suppress_tries'}; 2178: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 2179: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 2180: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 2181: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') || 2182: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) { 2183: $form{'problem_split'}='yes'; 2184: } 2185: if ($helper->{'VARS'}->{'curseed'}) { 2186: $rndseed=$helper->{'VARS'}->{'curseed'}; 2187: } 2188: $form{'rndseed'}=$rndseed; 2189: &Apache::lonnet::appenv(\%moreenv); 2190: 2191: &Apache::lonxml::clear_problem_counter(); 2192: 2193: $resources_printed .= $currentURL.':'; 2194: $texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form); 2195: 2196: # Add annotations if required: 2197: 2198: &Apache::lonxml::clear_problem_counter(); 2199: 2200: &Apache::lonnet::delenv('request.filename'); 2201: } 2202: # current document with answers.. no need to encap in minipage 2203: # since there's only one answer. 2204: 2205: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 2206: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 2207: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 2208: $form{'grade_target'}='answer'; 2209: $form{'answer_output_mode'}='tex'; 2210: $form{'rndseed'}=$rndseed; 2211: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') { 2212: $form{'problemtype'}='exam'; 2213: } 2214: $resources_printed .= $currentURL.':'; 2215: my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form); 2216: 2217: 2218: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 2219: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 2220: } else { 2221: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 2222: if ($helper->{'VARS'}->{'construction'} ne '1') { 2223: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}); 2224: $title = &Apache::lonxml::latex_special_symbols($title); 2225: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm '; 2226: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth); 2227: } else { 2228: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm '; 2229: my $URLpath=$cleanURL; 2230: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/; 2231: $texversion.=&path_to_problem($URLpath,$LaTeXwidth); 2232: } 2233: $texversion.='\vskip 1 mm '.$answer.'\end{document}'; 2234: } 2235: 2236: 2237: 2238: 2239: 2240: } 2241: # Print annotations. 2242: 2243: 2244: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 2245: my $annotation .= &annotate($currentURL); 2246: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/; 2247: } 2248: 2249: 2250: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 2251: $texversion=&IndexCreation($texversion,$currentURL); 2252: } 2253: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') { 2254: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /; 2255: 2256: } 2257: $result .= $texversion; 2258: if ($currentURL=~m/\.page\s*$/) { 2259: ($result,$number_of_columns) = &page_cleanup($result); 2260: } 2261: } elsif ($cleanURL!~m|^/adm/| 2262: && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') { 2263: #printing content of sequence from the construction space 2264: 2265: 2266: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|; 2267: $result .= &print_construction_sequence($currentURL, $helper, %form, 2268: $LaTeXwidth); 2269: $result .= '\end{document}'; 2270: if (!($result =~ /\\begin\{document\}/)) { 2271: $result = &print_latex_header() . $result; 2272: } 2273: # End construction space sequence. 2274: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 2275: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 2276: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;} 2277: $resources_printed .= $currentURL.':'; 2278: my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form); 2279: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 2280: my $annotation = &annotate($currentURL); 2281: $texversion =~ s/(\\end{document})/$annotation$1/; 2282: } 2283: $result .= $texversion; 2284: } elsif ($cleanURL =~/\.tex$/) { 2285: # For this sort of print of a single LaTeX file, 2286: # We can just print the LaTeX file as it is uninterpreted in any way: 2287: # 2288: 2289: $result = &fetch_raw_resource($currentURL); 2290: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 2291: my $annotation = &annotate($currentURL); 2292: $result =~ s/(\\end{document})/$annotation$1/; 2293: } 2294: 2295: $do_postprocessing = 0; # Don't massage the result. 2296: 2297: } elsif ($cleanURL =~ /\.pdf$/i) { 2298: $result .= &include_pdf($cleanURL); 2299: $result .= '\end{document}'; 2300: } elsif ($cleanURL =~ /\.page$/i) { # Print page in non construction space contexts. 2301: 2302: # Determine the set of resources in the map of the page: 2303: 2304: my $navmap = Apache::lonnavmaps::navmap->new(); 2305: my @page_resources = $navmap->retrieveResources($cleanURL); 2306: $result .= &print_page_in_course($helper, $rparmhash, 2307: $cleanURL, \@page_resources); 2308: 2309: 2310: } else { 2311: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'}, 2312: $helper->{'VARS'}->{'symb'}); 2313: } 2314: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or 2315: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') or 2316: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page') or 2317: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or 2318: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or 2319: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG 2320: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') 2321: ) { 2322: 2323: 2324: #-- produce an output string 2325: if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or 2326: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') ) { 2327: $selectionmade = 2; 2328: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or 2329: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page')) 2330: { 2331: $selectionmade = 3; 2332: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') 2333: ) { 2334: $selectionmade = 4; 2335: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG 2336: $selectionmade = 4; 2337: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') { 2338: $selectionmade = 7; 2339: } 2340: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 2341: $form{'suppress_tries'}=$parmhash{'suppress_tries'}; 2342: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 2343: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 2344: $form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 2345: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') || 2346: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) { 2347: $form{'problem_split'}='yes'; 2348: } 2349: my $flag_latex_header_remove = 'NO'; 2350: my $flag_page_in_sequence = 'NO'; 2351: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 2352: my $prevassignment=''; 2353: 2354: &Apache::lonxml::clear_problem_counter(); 2355: 2356: my $pbreakresources = keys %page_breaks; 2357: for (my $i=0;$i<=$#master_seq;$i++) { 2358: 2359: &Apache::lonenc::reset_enc(); 2360: 2361: 2362: # Note due to document structure, not allowed to put \newpage 2363: # prior to the first resource 2364: 2365: if (defined $page_breaks{$master_seq[$i]}) { 2366: if($i != 0) { 2367: $result.="\\newpage\n"; 2368: } 2369: } 2370: $result .= &get_extra_vspaces($helper, $master_seq[$i]); 2371: my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]); 2372: $urlp=&Apache::lonnet::clutter($urlp); 2373: $form{'symb'}=$master_seq[$i]; 2374: 2375: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem 2376: 2377: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;} 2378: if ($i==0) {$prevassignment=$assignment;} 2379: my $texversion=''; 2380: if ($urlp!~m|^/adm/| 2381: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { 2382: $resources_printed .= $urlp.':'; 2383: &Apache::lonxml::remember_problem_counter(); 2384: if ($flag_latex_header_remove eq 'NO') { 2385: $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); # RF 2386: unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') || 2387: (($i==0) && 2388: (($urlp=~/\.page$/) || 2389: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') || 2390: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page')))) { 2391: $flag_latex_header_remove = 'YES'; 2392: } 2393: } 2394: $texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form); 2395: if ($urlp=~/\.page$/) { 2396: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion); 2397: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 2398: $texversion =~ s/\\end{document}\d*/\\end{document}/; 2399: $flag_page_in_sequence = 'YES'; 2400: } 2401: 2402: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 2403: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 2404: # Don't permanently pervert the %form hash 2405: my %answerform = %form; 2406: $answerform{'grade_target'}='answer'; 2407: $answerform{'answer_output_mode'}='tex'; 2408: $resources_printed .= $urlp.':'; 2409: 2410: &Apache::lonxml::restore_problem_counter(); 2411: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform); 2412: if ($urlp =~ /\.page$/) { 2413: $answer =~ s/\\end{document}(\d*)$//; 2414: } 2415: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 2416: if ($urlp =~ /\.page$/) { 2417: my @probs = split(/\\keephidden{ENDOFPROBLEM}/,$texversion); 2418: my $lastprob = pop(@probs); 2419: $texversion = join('\keephidden{ENDOFPROBLEM}',@probs). 2420: $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob; 2421: } else { 2422: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 2423: } 2424: } else { 2425: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/) { 2426: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 2427: # $texversion =~ s/\\begin{document}//; # FIXME 2428: my $title = &Apache::lonnet::gettitle($master_seq[$i]); 2429: $title = &Apache::lonxml::latex_special_symbols($title); 2430: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm '; 2431: $body .= &path_to_problem ($urlp,$LaTeXwidth); 2432: $body .='\vskip 1 mm '.$answer; 2433: $body = &encapsulate_minipage($body); 2434: $texversion .= $body; 2435: } else { 2436: $texversion=''; 2437: } 2438: } 2439: 2440: } 2441: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 2442: my $annotation .= &annotate($urlp); 2443: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/; 2444: } 2445: 2446: if ($flag_latex_header_remove ne 'NO') { 2447: $texversion = &latex_header_footer_remove($texversion); 2448: } else { 2449: $texversion =~ s/\\end{document}//; 2450: } 2451: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 2452: $texversion=&IndexCreation($texversion,$urlp); 2453: } 2454: if (($selectionmade == 4) and ($assignment ne $prevassignment)) { 2455: my $name = &get_name(); 2456: my $courseidinfo = &get_course(); 2457: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } 2458: $prevassignment=$assignment; 2459: my $header_text = $parmhash{'print_header_format'}; 2460: $header_text = &format_page_header($textwidth, $header_text, 2461: $assignment, 2462: $courseidinfo, 2463: $name); 2464: 2465: if ($numberofcolumns eq '1') { 2466: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm '; 2467: } else { 2468: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm '; 2469: } 2470: } 2471: $result .= $texversion; 2472: $flag_latex_header_remove = 'YES'; 2473: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 2474: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 2475: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;} 2476: $resources_printed .= $urlp.':'; 2477: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form); 2478: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 2479: my $annotation = &annotate($urlp); 2480: $texversion =~ s/(\\end{document)/$annotation$1/; 2481: } 2482: 2483: if ($flag_latex_header_remove ne 'NO') { 2484: $texversion = &latex_header_footer_remove($texversion); 2485: } else { 2486: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/; 2487: } 2488: $result .= $texversion; 2489: $flag_latex_header_remove = 'YES'; 2490: } elsif ($urlp=~ /\.pdf$/i) { 2491: if ($i > 0) { 2492: $result .= '\cleardoublepage'; 2493: } 2494: my $texfrompdf = &include_pdf($urlp); 2495: if ($flag_latex_header_remove ne 'NO') { 2496: $texfrompdf = &latex_header_footer_remove($texfrompdf); 2497: } 2498: $result .= $texfrompdf; 2499: if ($i != $#master_seq) { 2500: if ($numberofcolumns eq '1') { 2501: $result .= '\newpage'; 2502: } else { 2503: # the \\'s seem to be needed to let LaTeX know there's something 2504: # on the page since LaTeX seems to not like to clear an empty page. 2505: # 2506: $result .= '\\ \cleardoublepage'; 2507: } 2508: } 2509: $flag_latex_header_remove = 'YES'; 2510: 2511: } else { 2512: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'}, 2513: $master_seq[$i]); 2514: if ($flag_latex_header_remove ne 'NO') { 2515: $texversion = &latex_header_footer_remove($texversion); 2516: } else { 2517: $texversion =~ s/\\end{document}//; 2518: } 2519: $result .= $texversion; 2520: $flag_latex_header_remove = 'YES'; 2521: } 2522: if (&Apache::loncommon::connection_aborted($r)) { 2523: last; 2524: } 2525: } 2526: &Apache::lonxml::clear_problem_counter(); 2527: if ($flag_page_in_sequence eq 'YES') { 2528: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/; 2529: } 2530: $result .= '\end{document}'; 2531: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') || 2532: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') || 2533: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') || 2534: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){ 2535: 2536: 2537: #-- prints assignments for whole class or for selected students 2538: my $type; 2539: if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') || 2540: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') || 2541: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ) { 2542: $selectionmade=5; 2543: $type='problems'; 2544: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') { 2545: $selectionmade=8; 2546: $type='resources'; 2547: } 2548: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'}; 2549: # The normal sort order is by section then by students within the 2550: # section. If the helper var student_sort is 1, then the user has elected 2551: # to override this and output the students by name. 2552: # Each element of the students array is of the form: 2553: # username:domain:section:last, first:status 2554: # 2555: # Note that student sort is not compatible with printing 2556: # 1 section per pdf...so that setting overrides. 2557: # 2558: if (($helper->{'VARS'}->{'student_sort'} eq 1) && 2559: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) { 2560: @students = sort compare_names @students; 2561: } 2562: &adjust_number_to_print($helper); 2563: 2564: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' || 2565: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) { 2566: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1; 2567: } 2568: # If we are splitting on section boundaries, we need 2569: # to remember that in split_on_sections and 2570: # print all of the students in the list. 2571: # 2572: my $split_on_sections = 0; 2573: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') { 2574: $split_on_sections = 1; 2575: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1; 2576: } 2577: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 2578: 2579: #loop over students 2580: 2581: my $flag_latex_header_remove = 'NO'; 2582: my %moreenv; 2583: $moreenv{'instructor_comments'}='hide'; 2584: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth); 2585: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 2586: $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 2587: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'}; 2588: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'}; 2589: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') || 2590: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) { 2591: $moreenv{'problem_split'}='yes'; 2592: } 2593: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75'); 2594: my $student_counter=-1; 2595: my $i = 0; 2596: my $last_section = (split(/:/,$students[0]))[2]; 2597: foreach my $person (@students) { 2598: 2599: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due"; 2600: if (-e $duefile) { 2601: my $temp_file = Apache::File->new('>>'.$duefile); 2602: print $temp_file "1969\n"; 2603: } 2604: $student_counter++; 2605: if ($split_on_sections) { 2606: my $this_section = (split(/:/,$person))[2]; 2607: if ($this_section ne $last_section) { 2608: $i++; 2609: $last_section = $this_section; 2610: } 2611: } else { 2612: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'}); 2613: } 2614: my ($output,$fullname, $printed)=&print_resources($r,$helper, 2615: $person,$type, 2616: \%moreenv,\@master_seq, 2617: $flag_latex_header_remove, 2618: $LaTeXwidth); 2619: $resources_printed .= ":"; 2620: $print_array[$i].=$output; 2621: $student_names[$i].=$person.':'.$fullname.'_END_'; 2622: # &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname); 2623: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student'); 2624: $flag_latex_header_remove = 'YES'; 2625: if (&Apache::loncommon::connection_aborted($r)) { last; } 2626: } 2627: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); 2628: $result .= $print_array[0].' \end{document}'; 2629: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') || 2630: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') || 2631: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) { 2632: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'}; 2633: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'}; 2634: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'}; 2635: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'}; 2636: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'}; 2637: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'}; 2638: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'}; 2639: 2640: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'}; 2641: my @lines = &Apache::grades::get_scantronformat_file(); 2642: my ($code_type,$code_length)=('letter',6); 2643: foreach my $line (@lines) { 2644: my ($name,$type,$length) = (split(/:/,$line))[0,2,4]; 2645: if ($name eq $code_option) { 2646: $code_length=$length; 2647: if ($type eq 'number') { $code_type = 'number'; } 2648: } 2649: } 2650: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth)); 2651: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'}; 2652: $moreenv{'instructor_comments'}='hide'; 2653: my $seed=time+($$<<16)+($$); 2654: my @allcodes; 2655: if ($old_name) { 2656: my %result=&Apache::lonnet::get('CODEs', 2657: [$old_name,"type\0$old_name"], 2658: $cdom,$cnum); 2659: $code_type=$result{"type\0$old_name"}; 2660: @allcodes=split(',',$result{$old_name}); 2661: $num_todo=scalar(@allcodes); 2662: } elsif ($selected_code) { # Selection value is always numeric. 2663: $num_todo = 1; 2664: @allcodes = ($selected_code); 2665: } elsif ($single_code) { 2666: 2667: $num_todo = 1; # Unconditionally one code to do. 2668: # If an alpha code have to convert to numbers so it can be 2669: # converted back to letters again :-) 2670: # 2671: if ($code_type ne 'number') { 2672: $single_code = &letters_to_num($single_code); 2673: } 2674: @allcodes = ($single_code); 2675: } else { 2676: my %allcodes; 2677: srand($seed); 2678: for (my $i=0;$i<$num_todo;$i++) { 2679: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length, 2680: $code_type); 2681: } 2682: if ($code_name) { 2683: &Apache::lonnet::put('CODEs', 2684: { 2685: $code_name =>join(',',keys(%allcodes)), 2686: "type\0$code_name" => $code_type 2687: }, 2688: $cdom,$cnum); 2689: } 2690: @allcodes=keys(%allcodes); 2691: } 2692: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 2693: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'}); 2694: &adjust_number_to_print($helper); 2695: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'}; 2696: if ($number_per_page eq '0' || $number_per_page eq 'all' 2697: || $number_per_page eq 'section') { 2698: $number_per_page=$num_todo; 2699: } 2700: my $flag_latex_header_remove = 'NO'; 2701: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75'); 2702: my $count=0; 2703: foreach my $code (sort(@allcodes)) { 2704: my $file_num=int($count/$number_per_page); 2705: if ($code_type eq 'number') { 2706: $moreenv{'CODE'}=$code; 2707: } else { 2708: $moreenv{'CODE'}=&num_to_letters($code); 2709: } 2710: my ($output,$fullname, $printed)= 2711: &print_resources($r,$helper,'anonymous',$type,\%moreenv, 2712: \@master_seq,$flag_latex_header_remove, 2713: $LaTeXwidth); 2714: $resources_printed .= ":"; 2715: $print_array[$file_num].=$output; 2716: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, 2717: &mt('last assignment').' '.$fullname); 2718: $flag_latex_header_remove = 'YES'; 2719: $count++; 2720: if (&Apache::loncommon::connection_aborted($r)) { last; } 2721: } 2722: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); 2723: $result .= $print_array[0].' \end{document}'; 2724: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') { 2725: #prints selected problems from the subdirectory 2726: $selectionmade = 6; 2727: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'}; 2728: @list_of_files=sort @list_of_files; 2729: my $flag_latex_header_remove = 'NO'; 2730: my $rndseed=time; 2731: if ($helper->{'VARS'}->{'curseed'}) { 2732: $rndseed=$helper->{'VARS'}->{'curseed'}; 2733: } 2734: for (my $i=0;$i<=$#list_of_files;$i++) { 2735: 2736: &Apache::lonenc::reset_enc(); 2737: 2738: my $urlp = $list_of_files[$i]; 2739: $urlp=~s|//|/|; 2740: if ($urlp=~/\//) { 2741: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 2742: $form{'rndseed'}=$rndseed; 2743: if ($urlp =~ m|/home/([^/]+)/public_html|) { 2744: $urlp =~ s|/home/([^/]*)/public_html|/~$1|; 2745: } else { 2746: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||; 2747: } 2748: $resources_printed .= $urlp.':'; 2749: my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form); 2750: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 2751: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 2752: # Don't permanently pervert %form: 2753: my %answerform = %form; 2754: $answerform{'grade_target'}='answer'; 2755: $answerform{'answer_output_mode'}='tex'; 2756: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 2757: $answerform{'rndseed'}=$rndseed; 2758: $resources_printed .= $urlp.':'; 2759: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform); 2760: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 2761: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 2762: } else { 2763: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 2764: if ($helper->{'VARS'}->{'construction'} ne '1') { 2765: $texversion.='\vskip 0 mm \noindent '; 2766: $texversion.=&path_to_problem ($urlp,$LaTeXwidth); 2767: } else { 2768: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm '; 2769: my $URLpath=$urlp; 2770: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/; 2771: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth); 2772: } 2773: $texversion.='\vskip 1 mm '.$answer.'\end{document}'; 2774: } 2775: } 2776: #this chunk is responsible for printing the path to problem 2777: 2778: my $newurlp=$urlp; 2779: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;} 2780: $newurlp=&path_to_problem($newurlp,$LaTeXwidth); 2781: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/; 2782: if ($flag_latex_header_remove ne 'NO') { 2783: $texversion = &latex_header_footer_remove($texversion); 2784: } else { 2785: $texversion =~ s/\\end{document}//; 2786: } 2787: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 2788: $texversion=&IndexCreation($texversion,$urlp); 2789: } 2790: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') { 2791: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /; 2792: 2793: } 2794: $result .= $texversion; 2795: } 2796: $flag_latex_header_remove = 'YES'; 2797: } 2798: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;} 2799: $result .= '\end{document}'; 2800: } 2801: #-------------------------------------------------------- corrections for the different page formats 2802: 2803: # Only post process if that has not been turned off e.g. by a raw latex resource. 2804: 2805: if ($do_postprocessing) { 2806: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade); 2807: $result = &latex_corrections($number_of_columns,$result,$selectionmade, 2808: $helper->{'VARS'}->{'ANSWER_TYPE'}); 2809: #if ($numberofcolumns == 1) { 2810: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /; 2811: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /; 2812: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; 2813: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; 2814: #} 2815: } 2816: 2817: # Set URLback if this is a construction space print so we can provide 2818: # a link to the resource being edited. 2819: # 2820: 2821: my $URLback=''; #link to original document 2822: if ($helper->{'VARS'}->{'construction'} eq '1') { 2823: #prints resource from the construction space 2824: $URLback='/'.$helper->{'VARS'}->{'filename'}; 2825: if ($URLback=~/([^?]+)/) { 2826: $URLback=$1; 2827: $URLback=~s|^/~|/priv/|; 2828: } 2829: } 2830: # 2831: # Final adjustment of the font size: 2832: # 2833: 2834: $result = set_font_size($result); 2835: 2836: #-- writing .tex file in prtspool 2837: my $temp_file; 2838: my $identifier = &Apache::loncommon::get_cgi_id(); 2839: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex"; 2840: if (!($#print_array>0)) { 2841: unless ($temp_file = Apache::File->new('>'.$filename)) { 2842: $r->log_error("Couldn't open $filename for output $!"); 2843: return SERVER_ERROR; 2844: } 2845: print $temp_file $result; 2846: my $begin=index($result,'\begin{document}',0); 2847: my $inc=substr($result,0,$begin+16); 2848: } else { 2849: my $begin=index($result,'\begin{document}',0); 2850: my $inc=substr($result,0,$begin+16); 2851: for (my $i=0;$i<=$#print_array;$i++) { 2852: if ($i==0) { 2853: $print_array[$i]=$result; 2854: } else { 2855: $print_array[$i].='\end{document}'; 2856: $print_array[$i] = 2857: &latex_corrections($number_of_columns,$print_array[$i], 2858: $selectionmade, 2859: $helper->{'VARS'}->{'ANSWER_TYPE'}); 2860: 2861: my $anobegin=index($print_array[$i],'\setcounter{page}',0); 2862: substr($print_array[$i],0,$anobegin)=''; 2863: $print_array[$i]=$inc.$print_array[$i]; 2864: } 2865: my $temp_file; 2866: my $newfilename=$filename; 2867: my $num=$i+1; 2868: $newfilename =~s/\.tex$//; 2869: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num); 2870: unless ($temp_file = Apache::File->new('>'.$newfilename)) { 2871: $r->log_error("Couldn't open $newfilename for output $!"); 2872: return SERVER_ERROR; 2873: } 2874: print $temp_file $print_array[$i]; 2875: } 2876: } 2877: my $student_names=''; 2878: if ($#print_array>0) { 2879: for (my $i=0;$i<=$#print_array;$i++) { 2880: $student_names.=$student_names[$i].'_ENDPERSON_'; 2881: } 2882: } else { 2883: if ($#student_names>-1) { 2884: $student_names=$student_names[0].'_ENDPERSON_'; 2885: } else { 2886: my $fullname = &get_name($env{'user.name'},$env{'user.domain'}); 2887: $student_names=join(':',$env{'user.name'},$env{'user.domain'}, 2888: $env{'request.course.sec'},$fullname). 2889: '_ENDPERSON_'.'_END_'; 2890: } 2891: } 2892: 2893: # logic for now is too complex to trace if this has been defined 2894: # yet. 2895: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2896: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2897: &Apache::lonnet::appenv({'cgi.'.$identifier.'.file' => $filename, 2898: 'cgi.'.$identifier.'.layout' => $laystyle, 2899: 'cgi.'.$identifier.'.numcol' => $numberofcolumns, 2900: 'cgi.'.$identifier.'.paper' => $papersize, 2901: 'cgi.'.$identifier.'.selection' => $selectionmade, 2902: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'}, 2903: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'}, 2904: 'cgi.'.$identifier.'.role' => $perm{'pav'}, 2905: 'cgi.'.$identifier.'.numberoffiles' => $#print_array, 2906: 'cgi.'.$identifier.'.studentnames' => $student_names, 2907: 'cgi.'.$identifier.'.backref' => $URLback,}); 2908: &Apache::lonnet::appenv({"cgi.$identifier.user" => $env{'user.name'}, 2909: "cgi.$identifier.domain" => $env{'user.domain'}, 2910: "cgi.$identifier.courseid" => $cnum, 2911: "cgi.$identifier.coursedom" => $cdom, 2912: "cgi.$identifier.resources" => $resources_printed}); 2913: 2914: my $end_page = &Apache::loncommon::end_page(); 2915: my $continue_text = &mt('Continue'); 2916: # If there's been an unrecoverable SSI error, report it to the user 2917: if ($ssi_error) { 2918: my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk'); 2919: $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'. 2920: &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:'). 2921: '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error. 2922: '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'. 2923: &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.'). 2924: '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'. 2925: &mt('We apologize for the inconvenience.').'</p>'. 2926: '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page); 2927: } else { 2928: $r->print(<<FINALEND); 2929: <br /> 2930: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" /> 2931: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a> 2932: $end_page 2933: FINALEND 2934: } # endif ssi errors. 2935: } 2936: 2937: 2938: sub get_CODE { 2939: my ($all_codes,$num,$seed,$size,$type)=@_; 2940: my $max='1'.'0'x$size; 2941: my $newcode; 2942: while(1) { 2943: $newcode=sprintf("%0".$size."d",int(rand($max))); 2944: if (!exists($$all_codes{$newcode})) { 2945: $$all_codes{$newcode}=1; 2946: if ($type eq 'number' ) { 2947: return $newcode; 2948: } else { 2949: return &num_to_letters($newcode); 2950: } 2951: } 2952: } 2953: } 2954: 2955: sub print_resources { 2956: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header, 2957: $LaTeXwidth)=@_; 2958: my $current_output = ''; 2959: my $printed = ''; 2960: my ($username,$userdomain,$usersection) = split /:/,$person; 2961: my $fullname = &get_name($username,$userdomain); 2962: my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace. 2963: if ($person =~ 'anon') { 2964: $namepostfix .="Name: "; 2965: $fullname = "CODE - ".$moreenv->{'CODE'}; 2966: } 2967: # Fullname may have special latex characters that need \ prefixing: 2968: # 2969: 2970: my $i = 0; 2971: #goes through all resources, checks if they are available for 2972: #current student, and produces output 2973: 2974: &Apache::lonxml::clear_problem_counter(); 2975: my %page_breaks = &get_page_breaks($helper); 2976: my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1]; 2977: # 2978: # end each student with a 2979: # Special that allows the post processor to even out the page 2980: # counts later. Nasty problem this... it would be really 2981: # nice to put the special in as a postscript comment 2982: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately, 2983: # The special gets passed the \ and dvips puts it in the output file 2984: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the 2985: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself. 2986: # 2987: my $syllabus_first = 0; 2988: foreach my $curresline (@{$master_seq}) { 2989: if (defined $page_breaks{$curresline}) { 2990: if($i != 0) { 2991: $current_output.= "\\newpage\n"; 2992: } 2993: } 2994: $current_output .= &get_extra_vspaces($helper, $curresline); 2995: $i++; 2996: 2997: if ( !($type eq 'problems' && 2998: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) ) { 2999: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline); 3000: if (&Apache::lonnet::allowed('bre',$res_url)) { 3001: if ($res_url!~m|^ext/| 3002: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { 3003: $printed .= $curresline.':'; 3004: &Apache::lonxml::remember_problem_counter(); 3005: 3006: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv); 3007: if ($res_url =~ /\.page$/) { 3008: if ($remove_latex_header eq 'NO') { 3009: if (!($rendered =~ /\\begin\{document\}/)) { 3010: $rendered = &print_latex_header().$rendered; 3011: } 3012: } 3013: if ($remove_latex_header eq 'YES') { 3014: $rendered = &latex_header_footer_remove($rendered); 3015: } else { 3016: $rendered =~ s/\\end{document}\d*//; 3017: } 3018: } 3019: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 3020: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 3021: # Use a copy of the hash so we don't pervert it on future loop passes. 3022: my %answerenv = %{$moreenv}; 3023: $answerenv{'answer_output_mode'}='tex'; 3024: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 3025: 3026: &Apache::lonxml::restore_problem_counter(); 3027: 3028: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv); 3029: 3030: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 3031: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/; 3032: } else { 3033: 3034: 3035: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 3036: unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') { 3037: $header =~ s/\\begin{document}//; #<<<<< 3038: } 3039: my $title = &Apache::lonnet::gettitle($curresline); 3040: $title = &Apache::lonxml::latex_special_symbols($title); 3041: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm '; 3042: $body .=&path_to_problem($res_url,$LaTeXwidth); 3043: $body .='\vskip 1 mm '.$ansrendered; 3044: $body = &encapsulate_minipage($body); 3045: $rendered = $header.$body; 3046: } 3047: } 3048: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 3049: my $url = &Apache::lonnet::clutter($res_url); 3050: my $annotation = &annotate($url); 3051: $rendered =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/; 3052: } 3053: my $junk; 3054: if ($remove_latex_header eq 'YES') { 3055: $rendered = &latex_header_footer_remove($rendered); 3056: } else { 3057: $rendered =~ s/\\end{document}//; 3058: } 3059: $current_output .= $rendered; 3060: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 3061: if ($i == 1) { 3062: $syllabus_first = 1; 3063: } 3064: $printed .= $curresline.':'; 3065: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv); 3066: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 3067: my $url = &Apache::lonnet::clutter($res_url); 3068: my $annotation = &annotate($url); 3069: $annotation =~ s/(\\end{document})/$annotation$1/; 3070: } 3071: if ($remove_latex_header eq 'YES') { 3072: $rendered = &latex_header_footer_remove($rendered); 3073: } else { 3074: $rendered =~ s/\\end{document}//; 3075: } 3076: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut '; 3077: } elsif($res_url = ~/\.pdf$/) { 3078: my $url = &Apache::lonnet::clutter($res_url); 3079: my $rendered = &include_pdf($url); 3080: if ($remove_latex_header ne 'NO') { 3081: $rendered = &latex_header_footer_remove($rendered); 3082: } 3083: $current_output .= $rendered; 3084: } else { 3085: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline); 3086: if ($remove_latex_header ne 'NO') { 3087: $rendered = &latex_header_footer_remove($rendered); 3088: } else { 3089: $rendered =~ s/\\end{document}//; 3090: } 3091: $current_output .= $rendered; 3092: } 3093: } 3094: $remove_latex_header = 'YES'; 3095: } 3096: if (&Apache::loncommon::connection_aborted($r)) { last; } 3097: } 3098: 3099: if ($syllabus_first) { 3100: $current_output =~ s/\\\\ Last updated:/Last updated:/ 3101: } 3102: my $courseidinfo = &get_course(); 3103: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } 3104: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection} 3105: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header'); 3106: my $header_line = 3107: &format_page_header($LaTeXwidth, $parmhash{'print_header_format'}, 3108: $currentassignment, $courseidinfo, $fullname); 3109: my $header_start = ($columns_in_format == 1) ? '\lhead' 3110: : '\fancyhead[LO]'; 3111: $header_line = $header_start.'{'.$header_line.'}'; 3112: if ($current_output=~/\\documentclass/) { 3113: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /; 3114: } else { 3115: my $blankpages = 3116: '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'}; 3117: 3118: $current_output = '\strut\vspace*{-6 mm}\\newline'. 3119: &copyright_line().' \newpage '.$blankpages.$end_of_student. 3120: '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'. 3121: $header_line.$namepostfix.'} \vskip 5 mm '.$current_output; 3122: } 3123: # 3124: # Close the student bracketing. 3125: # 3126: return ($current_output,$fullname, $printed); 3127: 3128: } 3129: 3130: sub handler { 3131: 3132: my $r = shift; 3133: 3134: &init_perm(); 3135: 3136: 3137: 3138: my $helper = printHelper($r); 3139: if (!ref($helper)) { 3140: return $helper; 3141: } 3142: 3143: 3144: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'}); 3145: 3146: 3147: 3148: 3149: # If a figure conversion queue file exists for this user.domain 3150: # we delete it since it can only be bad (if it were good, printout.pl 3151: # would have deleted it the last time around. 3152: 3153: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat"; 3154: if(-e $conversion_queuefile) { 3155: unlink $conversion_queuefile; 3156: } 3157: 3158: 3159: &output_data($r,$helper,\%parmhash); 3160: return OK; 3161: } 3162: 3163: use Apache::lonhelper; 3164: 3165: sub addMessage { 3166: my $text = shift; 3167: my $paramHash = Apache::lonhelper::getParamHash(); 3168: $paramHash->{MESSAGE_TEXT} = $text; 3169: Apache::lonhelper::message->new(); 3170: } 3171: 3172: 3173: 3174: sub init_perm { 3175: undef(%perm); 3176: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'}); 3177: if (!$perm{'pav'}) { 3178: $perm{'pav'}=&Apache::lonnet::allowed('pav', 3179: $env{'request.course.id'}.'/'.$env{'request.course.sec'}); 3180: } 3181: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'}); 3182: if (!$perm{'pfo'}) { 3183: $perm{'pfo'}=&Apache::lonnet::allowed('pfo', 3184: $env{'request.course.id'}.'/'.$env{'request.course.sec'}); 3185: } 3186: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'}); 3187: if (!$perm{'vgr'}) { 3188: $perm{'vgr'}=&Apache::lonnet::allowed('vgr', 3189: $env{'request.course.id'}.'/'.$env{'request.course.sec'}); 3190: } 3191: } 3192: 3193: sub get_randomly_ordered_warning { 3194: my ($helper,$map) = @_; 3195: 3196: my $message; 3197: 3198: my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'}; 3199: my $navmap = Apache::lonnavmaps::navmap->new(); 3200: if (defined($navmap)) { 3201: my $res = $navmap->getResourceByUrl($map); 3202: if ($res) { 3203: my $func = 3204: sub { return ($_[0]->is_map() && $_[0]->randomorder); }; 3205: my @matches = $navmap->retrieveResources($res, $func,1,1,1); 3206: if (@matches) { 3207: $message = "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order."; 3208: } 3209: } 3210: if ($message) { 3211: return '<message type="warning">'.$message.'</message>'; 3212: } 3213: } else { 3214: $message = "Retrieval of information about ordering of resources failed."; 3215: return '<message type="warning">'.$message.'</message>'; 3216: } 3217: return; 3218: } 3219: 3220: sub printHelper { 3221: my $r = shift; 3222: 3223: if ($r->header_only) { 3224: if ($env{'browser.mathml'}) { 3225: &Apache::loncommon::content_type($r,'text/xml'); 3226: } else { 3227: &Apache::loncommon::content_type($r,'text/html'); 3228: } 3229: $r->send_http_header; 3230: return OK; 3231: } 3232: 3233: # Send header, nocache 3234: if ($env{'browser.mathml'}) { 3235: &Apache::loncommon::content_type($r,'text/xml'); 3236: } else { 3237: &Apache::loncommon::content_type($r,'text/html'); 3238: } 3239: &Apache::loncommon::no_cache($r); 3240: $r->send_http_header; 3241: $r->rflush(); 3242: 3243: # Unfortunately, this helper is so complicated we have to 3244: # write it by hand 3245: 3246: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING}); 3247: 3248: my $helper = Apache::lonhelper::helper->new("Printing Helper"); 3249: $helper->declareVar('symb'); 3250: $helper->declareVar('postdata'); 3251: $helper->declareVar('curseed'); 3252: $helper->declareVar('probstatus'); 3253: $helper->declareVar('filename'); 3254: $helper->declareVar('construction'); 3255: $helper->declareVar('assignment'); 3256: $helper->declareVar('style_file'); 3257: $helper->declareVar('student_sort'); 3258: $helper->declareVar('FINISHPAGE'); 3259: $helper->declareVar('PRINT_TYPE'); 3260: $helper->declareVar("showallfoils"); 3261: $helper->declareVar("STUDENTS"); 3262: $helper->declareVar("EXTRASPACE"); 3263: 3264: 3265: 3266: 3267: # The page breaks and extra spaces 3268: # can get loaded initially from the course environment: 3269: # But we only do this in the initial state so that they are allowed to change. 3270: # 3271: 3272: 3273: &Apache::loncommon::restore_course_settings('print', 3274: {'pagebreaks' => 'scalar', 3275: 'extraspace' => 'scalar', 3276: 'extraspace_units' => 'scalar', 3277: 'lastprinttype' => 'scalar'}); 3278: 3279: # This will persistently load in the data we want from the 3280: # very first screen. 3281: 3282: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) { 3283: if (!defined ($env{"form.CURRENT_STATE"})) { 3284: 3285: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'}; 3286: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'}; 3287: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'}; 3288: } else { 3289: my $state = $env{"form.CURRENT_STATE"}; 3290: if ($state eq "START") { 3291: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'}; 3292: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'}; 3293: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'}; 3294: 3295: } 3296: } 3297: 3298: } 3299: 3300: # Detect whether we're coming from construction space 3301: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) { 3302: $helper->{VARS}->{'filename'} = "~$1/$2"; 3303: $helper->{VARS}->{'construction'} = 1; 3304: } else { 3305: if ($env{'form.postdata'}) { 3306: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'}); 3307: if ( $helper->{VARS}->{'symb'} eq '') { 3308: $helper->{VARS}->{'postdata'} = $env{'form.postdata'}; 3309: } 3310: } 3311: if ($env{'form.symb'}) { 3312: $helper->{VARS}->{'symb'} = $env{'form.symb'}; 3313: } 3314: if ($env{'form.url'}) { 3315: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'}); 3316: } 3317: 3318: } 3319: 3320: if ($env{'form.symb'}) { 3321: $helper->{VARS}->{'symb'} = $env{'form.symb'}; 3322: } 3323: if ($env{'form.url'}) { 3324: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'}); 3325: 3326: } 3327: $helper->{VARS}->{'symb'}= 3328: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'}); 3329: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper); 3330: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;} 3331: 3332: 3333: # Extract map 3334: my $symb = $helper->{VARS}->{'symb'}; 3335: my ($map, $id, $url); 3336: my $subdir; 3337: my $is_published=0; # True when printing from resource space. 3338: 3339: # Get the resource name from construction space 3340: if ($helper->{VARS}->{'construction'}) { 3341: $resourceTitle = substr($helper->{VARS}->{'filename'}, 3342: rindex($helper->{VARS}->{'filename'}, '/')+1); 3343: $subdir = substr($helper->{VARS}->{'filename'}, 3344: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1); 3345: } else { 3346: # From course space: 3347: 3348: if ($symb ne '') { 3349: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb); 3350: $helper->{VARS}->{'postdata'} = 3351: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url)); 3352: } else { 3353: $url = $helper->{VARS}->{'postdata'}; 3354: $is_published=1; # From resource space. 3355: } 3356: $url = &Apache::lonnet::clutter($url); 3357: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename 3358: my $postdata = $helper->{VARS}->{'postdata'}; 3359: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1); 3360: } 3361: $subdir = &Apache::lonnet::filelocation("", $url); 3362: } 3363: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) { 3364: $helper->{VARS}->{'curseed'}=$env{'form.curseed'}; 3365: } 3366: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) { 3367: $helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'}; 3368: } 3369: 3370: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser(); 3371: 3372: Apache::lonhelper::registerHelperTags(); 3373: 3374: # "Delete everything after the last slash." 3375: $subdir =~ s|/[^/]+$||; 3376: 3377: # What can be printed is a very dynamic decision based on 3378: # lots of factors. So we need to dynamically build this list. 3379: # To prevent security leaks, states are only added to the wizard 3380: # if they can be reached, which ensures manipulating the form input 3381: # won't allow anyone to reach states they shouldn't have permission 3382: # to reach. 3383: 3384: # printChoices is tracking the kind of printing the user can 3385: # do, and will be used in a choices construction later. 3386: # In the meantime we will be adding states and elements to 3387: # the helper by hand. 3388: my $printChoices = []; 3389: my $paramHash; 3390: 3391: if ($resourceTitle) { 3392: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE']; 3393: } 3394: 3395: # Useful filter strings 3396: my $isProblem = '($res->is_problem()||$res->contains_problem||$res->is_practice()) '; 3397: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden; 3398: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice()'; 3399: my $isNotMap = '!$res->is_sequence()'; 3400: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden; 3401: my $isMap = '$res->is_map()'; 3402: my $symbFilter = '$res->shown_symb()'; 3403: my $urlValue = '$res->link()'; 3404: 3405: $helper->declareVar('SEQUENCE'); 3406: 3407: # If we're in a sequence... 3408: 3409: my $start_new_option; 3410: if ($perm{'pav'}) { 3411: $start_new_option = 3412: "<option text='".&mt('Start new page<br />before selected'). 3413: "' variable='FINISHPAGE' />". 3414: "<option text='".&mt('Extra space<br />before selected'). 3415: "' variable='EXTRASPACE' type='text' />" . 3416: "<option " . 3417: "' variable='POSSIBLE_RESOURCES' type='hidden' />". 3418: "<option text='".&mt('Space units<br />check for mm'). 3419: "' variable='EXTRASPACE_UNITS' type='checkbox' />" 3420: ; 3421: 3422: 3423: } 3424: 3425: # If not construction space user can print the components of a page: 3426: 3427: my $page_ispage; 3428: my $page_title; 3429: if (!$helper->{VARS}->{'construction'}) { 3430: my $varspostdata = $helper->{VARS}->{'postdata'}; 3431: my $varsassignment = $helper->{VARS}->{'assignment'}; 3432: my $page_navmap = Apache::lonnavmaps::navmap->new(); 3433: if (defined($page_navmap)) { 3434: my @page_resources = $page_navmap->retrieveResources($url); 3435: if(defined($page_resources[0])) { 3436: $page_ispage = $page_resources[0]->is_page(); 3437: $page_title = $page_resources[0]->title(); 3438: my $resourcesymb = $page_resources[0]->symb(); 3439: my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb); 3440: if ($page_ispage) { 3441: push @{$printChoices}, 3442: [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 3443: 'map_problems_in_page', 3444: 'CHOOSE_PROBLEMS_PAGE']; 3445: push @{$printChoices}, 3446: [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 3447: 'map_resources_in_page', 3448: 'CHOOSE_RESOURCES_PAGE']; 3449: } 3450: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE', 3451: 'Select Problem(s) to print', 3452: "multichoice='1' toponly='1' addstatus='1' closeallpages='1'", 3453: 'RESOURCES', 3454: 'PAGESIZE', 3455: $url, 3456: $isProblem, '', $symbFilter, 3457: $start_new_option); 3458: 3459: 3460: $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE', 3461: 'Select Resource(s) to print', 3462: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"', 3463: 'RESOURCES', 3464: 'PAGESIZE', 3465: $url, 3466: $isNotMap, '', $symbFilter, 3467: $start_new_option); 3468: 3469: 3470: 3471: 3472: 3473: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); 3474: 3475: } 3476: } 3477: } 3478: 3479: if (($helper->{'VAR'}->{'construction'} ne '1' ) && 3480: $helper->{VARS}->{'postdata'} && 3481: $helper->{VARS}->{'assignment'}) { 3482: # Allow problems from sequence 3483: push @{$printChoices}, 3484: [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 3485: 'map_problems', 3486: 'CHOOSE_PROBLEMS']; 3487: # Allow all resources from sequence 3488: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 3489: 'map_problems_pages', 3490: 'CHOOSE_PROBLEMS_HTML']; 3491: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS', 3492: 'Select Problem(s) to print', 3493: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"', 3494: 'RESOURCES', 3495: 'PAGESIZE', 3496: $map, 3497: $isProblem, '', 3498: $symbFilter, 3499: $start_new_option); 3500: $helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML', 3501: 'Select Resource(s) to print', 3502: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"', 3503: 'RESOURCES', 3504: 'PAGESIZE', 3505: $map, 3506: $isNotMap, '', 3507: $symbFilter, 3508: $start_new_option); 3509: 3510: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); 3511: } 3512: 3513: # If the user has pfo (print for others) allow them to print all 3514: # problems and resources in the entire course, optionally for selected students 3515: my $post_data = $helper->{VARS}->{'postdata'}; 3516: if ($perm{'pfo'} && !$is_published && 3517: ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 3518: 3519: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS']; 3520: push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES']; 3521: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS']; 3522: my $suffixXml = <<ALL_PROBLEMS; 3523: <state name="STUDENTS1" title="Select People"> 3524: <message><b>Select sorting order of printout</b> </message> 3525: <choices variable='student_sort'> 3526: <choice computer='0'>Sort by section then student</choice> 3527: <choice computer='1'>Sort by students across sections.</choice> 3528: </choices> 3529: <message><br /><hr /><br /> </message> 3530: <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/> 3531: </state> 3532: ALL_PROBLEMS 3533: &Apache::lonxml::xmlparse($r, 'helper', 3534: &generate_resource_chooser('ALL_PROBLEMS', 3535: 'SelectProblem(s) to print', 3536: 'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"', 3537: 'RESOURCES', 3538: 'PAGESIZE', 3539: '', 3540: $isProblemOrMap, $isNotMap, 3541: $symbFilter, 3542: $start_new_option) . 3543: &generate_resource_chooser('ALL_RESOURCES', 3544: 'Select Resource(s) to print', 3545: " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'", 3546: 'RESOURCES', 3547: 'PAGESIZE', 3548: '', 3549: $isNotMap,'',$symbFilter, 3550: $start_new_option) . 3551: &generate_resource_chooser('ALL_PROBLEMS_STUDENTS', 3552: 'Select Problem(s) to print', 3553: 'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"', 3554: 'RESOURCES', 3555: 'STUDENTS1', 3556: '', 3557: $isProblemOrMap,'' , $symbFilter, 3558: $start_new_option) . 3559: $suffixXml 3560: ); 3561: 3562: if ($helper->{VARS}->{'assignment'}) { 3563: 3564: # If we were looking at a page, allow a selection of problems from the page 3565: # either for selected students or for coded assignments. 3566: 3567: if ($page_ispage) { 3568: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]', 3569: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'), 3570: 'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE']; 3571: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]', 3572: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'), 3573: 'problems_for_anon_page', 'CHOOSE_ANON1_PAGE']; 3574: } 3575: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]', 3576: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 3577: 'problems_for_students', 'CHOOSE_STUDENTS']; 3578: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]', 3579: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 3580: 'problems_for_anon', 'CHOOSE_ANON1']; 3581: } 3582: 3583: my $randomly_ordered_warning = 3584: &get_randomly_ordered_warning($helper,$map); 3585: 3586: # resource_selector will hold a few states that: 3587: # - Allow resources to be selected for printing. 3588: # - Determine pagination between assignments. 3589: # - Determine how many assignments should be bundled into a single PDF. 3590: # TODO: 3591: # Probably good to do things like separate this up into several vars, each 3592: # with one state, and use REGEXPs at inclusion time to set state names 3593: # and next states for better mix and match capability 3594: # 3595: my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS', 3596: 'Select resources to print', 3597: 'multichoice="1" addstatus="1" closeallpages="1"', 3598: 'RESOURCES', 3599: 'PRINT_FORMATTING', 3600: $map, 3601: $isProblem, '', $symbFilter, 3602: $start_new_option); 3603: $resource_selector .= &generate_format_selector($helper, 3604: 'How should results be printed?', 3605: 'PRINT_FORMATTING'). 3606: &generate_resource_chooser('CHOOSE_STUDENTS_PAGE', 3607: 'Select Problem(s) to print', 3608: "multichoice='1' addstatus='1' closeallpages ='1'", 3609: 'RESOURCES', 3610: 'PRINT_FORMATTING', 3611: $url, 3612: $isProblem, '', $symbFilter, 3613: $start_new_option); 3614: 3615: 3616: # Generate student choosers. 3617: 3618: 3619: 3620: &Apache::lonxml::xmlparse($r, 'helper', 3621: &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE', 3622: 'student_sort', 3623: 'STUDENTS', 3624: 'CHOOSE_STUDENTS_PAGE')); 3625: &Apache::lonxml::xmlparse($r, 'helper', 3626: &generate_student_chooser('CHOOSE_STUDENTS', 3627: 'student_sort', 3628: 'STUDENTS', 3629: 'SELECT_PROBLEMS')); 3630: &Apache::lonxml::xmlparse($r, 'helper', $resource_selector); 3631: 3632: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3633: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3634: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum); 3635: my $namechoice='<choice></choice>'; 3636: foreach my $name (sort {uc($a) cmp uc($b)} @names) { 3637: if ($name =~ /^error: 2 /) { next; } 3638: if ($name =~ /^type\0/) { next; } 3639: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>'; 3640: } 3641: 3642: 3643: my %code_values; 3644: my %codes_to_print; 3645: foreach my $key (@names) { 3646: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum); 3647: foreach my $key (keys(%code_values)) { 3648: $codes_to_print{$key} = 1; 3649: } 3650: } 3651: 3652: my $code_selection; 3653: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) { 3654: my $choice = $code; 3655: if ($code =~ /^[A-Z]+$/) { # Alpha code 3656: $choice = &letters_to_num($code); 3657: } 3658: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]); 3659: } 3660: if (%codes_to_print) { 3661: $code_selection .=' 3662: <message><b>Choose single CODE from list:</b></message> 3663: <message></td><td></message> 3664: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0"> 3665: <choice></choice> 3666: <exec> 3667: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}}); 3668: </exec> 3669: </dropdown> 3670: <message></td></tr><tr><td></message> 3671: '.$/; 3672: 3673: } 3674: 3675: my @lines = &Apache::grades::get_scantronformat_file(); 3676: my $codechoice=''; 3677: foreach my $line (@lines) { 3678: my ($name,$description,$code_type,$code_length)= 3679: (split(/:/,$line))[0,1,2,4]; 3680: if ($code_length > 0 && 3681: $code_type =~/^(letter|number|-1)/) { 3682: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>'; 3683: } 3684: } 3685: if ($codechoice eq '') { 3686: $codechoice='<choice computer="default">Default</choice>'; 3687: } 3688: my $anon1 = &generate_code_selector($helper, 3689: 'CHOOSE_ANON1', 3690: 'SELECT_PROBLEMS', 3691: $codechoice, 3692: $code_selection, 3693: $namechoice) . $resource_selector; 3694: 3695: 3696: &Apache::lonxml::xmlparse($r, 'helper',$anon1); 3697: 3698: my $anon_page = &generate_code_selector($helper, 3699: 'CHOOSE_ANON1_PAGE', 3700: 'SELECT_PROBLEMS_PAGE', 3701: $codechoice, 3702: $code_selection, 3703: $namechoice) . 3704: &generate_resource_chooser('SELECT_PROBLEMS_PAGE', 3705: 'Select Problem(s) to print', 3706: "multichoice='1' addstatus='1' closeallpages ='1'", 3707: 'RESOURCES', 3708: 'PRINT_FORMATTING', 3709: $url, 3710: $isProblem, '', $symbFilter, 3711: $start_new_option); 3712: &Apache::lonxml::xmlparse($r, 'helper', $anon_page); 3713: 3714: 3715: if ($helper->{VARS}->{'assignment'}) { 3716: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3] for [_4]selected people[_5]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 'resources_for_students', 'CHOOSE_STUDENTS1']; 3717: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3] for [_4]CODEd assignments[_5]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 'resources_for_anon', 'CHOOSE_ANON2']; 3718: } 3719: 3720: 3721: $resource_selector=<<RESOURCE_SELECTOR; 3722: <state name="SELECT_RESOURCES" title="Select Resources"> 3723: $randomly_ordered_warning 3724: <nextstate>PRINT_FORMATTING</nextstate> 3725: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message> 3726: <resource variable="RESOURCES" multichoice="1" addstatus="1" 3727: closeallpages="1"> 3728: <filterfunc>return $isNotMap;</filterfunc> 3729: <mapurl>$map</mapurl> 3730: <valuefunc>return $symbFilter;</valuefunc> 3731: $start_new_option 3732: </resource> 3733: </state> 3734: RESOURCE_SELECTOR 3735: 3736: $resource_selector .= &generate_format_selector($helper, 3737: 'Format of the print job', 3738: 'PRINT_FORMATTING'); 3739: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1); 3740: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources"> 3741: <choices variable='student_sort'> 3742: <choice computer='0'>Sort by section then student</choice> 3743: <choice computer='1'>Sort by students across sections.</choice> 3744: </choices> 3745: <message><br /><hr /><br /></message> 3746: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" /> 3747: 3748: </state> 3749: $resource_selector 3750: CHOOSE_STUDENTS1 3751: 3752: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2); 3753: <state name="CHOOSE_ANON2" title="Select CODEd Assignments"> 3754: <nextstate>SELECT_RESOURCES</nextstate> 3755: <message><h4>Fill out one of the forms below</h4></message> 3756: <message><br /><hr /> <br /></message> 3757: <message><h3>Generate new CODEd Assignments</h3></message> 3758: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message> 3759: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1"> 3760: <validator> 3761: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) && 3762: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 3763: !\$helper->{'VARS'}{'SINGLE_CODE'} && 3764: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 3765: return "You need to specify the number of assignments to print"; 3766: } 3767: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) && 3768: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) { 3769: return 'Specifying number of codes to print and a specific code is not compatible'; 3770: } 3771: return undef; 3772: </validator> 3773: </string> 3774: <message></td></tr><tr><td></message> 3775: <message><b>Names to save the CODEs under for later:</b></message> 3776: <message></td><td></message> 3777: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" /> 3778: <message></td></tr><tr><td></message> 3779: <message><b>Bubble sheet type:</b></message> 3780: <message></td><td></message> 3781: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0"> 3782: $codechoice 3783: </dropdown> 3784: <message></td></tr><tr><td></table></message> 3785: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message> 3786: <message><tr><td><b>Enter a CODE to print:</b></td><td></message> 3787: <string variable="SINGLE_CODE" size="10"> 3788: <validator> 3789: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} && 3790: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 3791: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 3792: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'}, 3793: \$helper->{'VARS'}{'CODE_OPTION'}); 3794: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){ 3795: return 'Specifying a code name is incompatible specifying number of codes.'; 3796: } else { 3797: return undef; # Other forces control us. 3798: } 3799: </validator> 3800: </string> 3801: <message></td></tr><tr><td></message> 3802: $code_selection 3803: <message></td></tr></table></message> 3804: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message> 3805: <message><b>Select saved CODEs:</b></message> 3806: <message></td><td></message> 3807: <dropdown variable="REUSE_OLD_CODES"> 3808: $namechoice 3809: </dropdown> 3810: <message></td></tr></table></message> 3811: </state> 3812: $resource_selector 3813: CHOOSE_ANON2 3814: } 3815: 3816: # FIXME: That RE should come from a library somewhere. 3817: if (($perm{'pav'} 3818: && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/' 3819: && (defined($helper->{'VARS'}->{'construction'}) 3820: || 3821: (&Apache::lonnet::allowed('bre',$subdir) eq 'F' 3822: && 3823: $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/) 3824: )) 3825: && $helper->{VARS}->{'assignment'} eq "" 3826: ) { 3827: my $pretty_dir = &Apache::lonnet::hreflocation($subdir); 3828: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from current subdirectory [_3]','<b>','</b>','<b><i>'.$pretty_dir.'</i></b>','<b>','</b>'), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR']; 3829: my $xmlfrag = <<CHOOSE_FROM_SUBDIR; 3830: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print"> 3831: 3832: <files variable="FILES" multichoice='1'> 3833: <nextstate>PAGESIZE</nextstate> 3834: <filechoice>return '$subdir';</filechoice> 3835: CHOOSE_FROM_SUBDIR 3836: 3837: # this is broken up because I really want interpolation above, 3838: # and I really DON'T want it below 3839: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR'; 3840: <filefilter>return Apache::lonhelper::files::not_old_version($filename) && 3841: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/; 3842: </filefilter> 3843: </files> 3844: </state> 3845: CHOOSE_FROM_SUBDIR 3846: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 3847: } 3848: 3849: # Allow the user to select any sequence in the course, feed it to 3850: # another resource selector for that sequence 3851: if (!$helper->{VARS}->{'construction'} && !$is_published) { 3852: push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"), 3853: 'select_sequences', 'CHOOSE_SEQUENCE']; 3854: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'}; 3855: #Escape apostrophes and backslashes for Perl 3856: $escapedSequenceName =~ s/\\/\\\\/g; 3857: $escapedSequenceName =~ s/'/\\'/g; 3858: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE); 3859: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From"> 3860: <message>Select the sequence to print resources from:</message> 3861: <resource variable="SEQUENCE"> 3862: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate> 3863: <filterfunc>return \$res->is_sequence;</filterfunc> 3864: <valuefunc>return $urlValue;</valuefunc> 3865: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0); 3866: </choicefunc> 3867: </resource> 3868: </state> 3869: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print"> 3870: <message>(mark desired resources then click "next" button) <br /></message> 3871: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1" 3872: closeallpages="1"> 3873: <nextstate>PAGESIZE</nextstate> 3874: <filterfunc>return $isNotMap</filterfunc> 3875: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl> 3876: <valuefunc>return $symbFilter;</valuefunc> 3877: $start_new_option 3878: </resource> 3879: </state> 3880: CHOOSE_FROM_ANY_SEQUENCE 3881: } 3882: 3883: # Generate the first state, to select which resources get printed. 3884: Apache::lonhelper::state->new("START", "Select Printing Options:"); 3885: $paramHash = Apache::lonhelper::getParamHash(); 3886: $paramHash->{MESSAGE_TEXT} = ""; 3887: Apache::lonhelper::message->new(); 3888: $paramHash = Apache::lonhelper::getParamHash(); 3889: $paramHash->{'variable'} = 'PRINT_TYPE'; 3890: $paramHash->{CHOICES} = $printChoices; 3891: Apache::lonhelper::choices->new(); 3892: 3893: my $startedTable = 0; # have we started an HTML table yet? (need 3894: # to close it later) 3895: 3896: if (($perm{'pav'} and $perm{'vgr'}) or 3897: ($helper->{VARS}->{'construction'} eq '1')) { 3898: &addMessage('<br />' 3899: .'<h3>'.&mt('Print Options').'</h3>' 3900: .&Apache::lonhtmlcommon::start_pick_box() 3901: .&Apache::lonhtmlcommon::row_title( 3902: '<label for="ANSWER_TYPE_forminput">' 3903: .&mt('Print Answers') 3904: .'</label>' 3905: ) 3906: ); 3907: $paramHash = Apache::lonhelper::getParamHash(); 3908: $paramHash->{'variable'} = 'ANSWER_TYPE'; 3909: $helper->declareVar('ANSWER_TYPE'); 3910: $paramHash->{CHOICES} = [ 3911: ['Without Answers', 'yes'], 3912: ['With Answers', 'no'], 3913: ['Only Answers', 'only'] 3914: ]; 3915: Apache::lonhelper::dropdown->new(); 3916: &addMessage(&Apache::lonhtmlcommon::row_closure()); 3917: $startedTable = 1; 3918: 3919: # 3920: # Select font size. 3921: # 3922: 3923: $helper->declareVar('fontsize'); 3924: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size'))); 3925: my $xmlfrag = << "FONT_SELECTION"; 3926: 3927: 3928: <dropdown variable='fontsize' multichoice='0', allowempty='0'> 3929: <defaultvalue> 3930: return 'normalsize'; 3931: </defaultvalue> 3932: <choice computer='tiny'>Tiny</choice> 3933: <choice computer='sub/superscriptsize'>Script Size</choice> 3934: <choice computer='footnotesize'>Footnote Size</choice> 3935: <choice computer='small'>Small</choice> 3936: <choice computer='normalsize'>Normal (default)</choice> 3937: <choice computer='large'>larger than normal</choice> 3938: <choice computer='Large'>Even larger than normal</choice> 3939: <choice computer='LARGE'>Still larger than normal</choice> 3940: <choice computer='huge'>huge font size</choice> 3941: <choice computer='Huge'>Largest possible size</choice> 3942: </dropdown> 3943: FONT_SELECTION 3944: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 3945: &addMessage(&Apache::lonhtmlcommon::row_closure(1)); 3946: } 3947: 3948: if ($perm{'pav'}) { 3949: if (!$startedTable) { 3950: addMessage("<hr width='33%' /><table><tr><td align='right'>". 3951: '<label for="LATEX_TYPE_forminput">'. 3952: &mt('LaTeX mode'). 3953: "</label>: </td><td>"); 3954: $startedTable = 1; 3955: } else { 3956: &addMessage(&Apache::lonhtmlcommon::row_title( 3957: '<label for="LATEX_TYPE_forminput">' 3958: .&mt('LaTeX mode') 3959: .'</label>' 3960: ) 3961: ); 3962: } 3963: $paramHash = Apache::lonhelper::getParamHash(); 3964: $paramHash->{'variable'} = 'LATEX_TYPE'; 3965: $helper->declareVar('LATEX_TYPE'); 3966: if ($helper->{VARS}->{'construction'} eq '1') { 3967: $paramHash->{CHOICES} = [ 3968: ['standard LaTeX mode', 'standard'], 3969: ['LaTeX batchmode', 'batchmode'], ]; 3970: } else { 3971: $paramHash->{CHOICES} = [ 3972: ['LaTeX batchmode', 'batchmode'], 3973: ['standard LaTeX mode', 'standard'] ]; 3974: } 3975: Apache::lonhelper::dropdown->new(); 3976: 3977: &addMessage(&Apache::lonhtmlcommon::row_closure() 3978: .&Apache::lonhtmlcommon::row_title( 3979: '<label for="TABLE_CONTENTS_forminput">' 3980: .&mt('Print Table of Contents') 3981: .'</label>' 3982: ) 3983: ); 3984: $paramHash = Apache::lonhelper::getParamHash(); 3985: $paramHash->{'variable'} = 'TABLE_CONTENTS'; 3986: $helper->declareVar('TABLE_CONTENTS'); 3987: $paramHash->{CHOICES} = [ 3988: ['No', 'no'], 3989: ['Yes', 'yes'] ]; 3990: Apache::lonhelper::dropdown->new(); 3991: &addMessage(&Apache::lonhtmlcommon::row_closure()); 3992: 3993: if (not $helper->{VARS}->{'construction'}) { 3994: &addMessage(&Apache::lonhtmlcommon::row_title( 3995: '<label for="TABLE_INDEX_forminput">' 3996: .&mt('Print Index') 3997: .'</label>' 3998: ) 3999: ); 4000: $paramHash = Apache::lonhelper::getParamHash(); 4001: $paramHash->{'variable'} = 'TABLE_INDEX'; 4002: $helper->declareVar('TABLE_INDEX'); 4003: $paramHash->{CHOICES} = [ 4004: ['No', 'no'], 4005: ['Yes', 'yes'] ]; 4006: Apache::lonhelper::dropdown->new(); 4007: &addMessage(&Apache::lonhtmlcommon::row_closure()); 4008: &addMessage(&Apache::lonhtmlcommon::row_title( 4009: '<label for="PRINT_DISCUSSIONS_forminput">' 4010: .&mt('Print Discussions') 4011: .'</label>' 4012: ) 4013: ); 4014: $paramHash = Apache::lonhelper::getParamHash(); 4015: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS'; 4016: $helper->declareVar('PRINT_DISCUSSIONS'); 4017: $paramHash->{CHOICES} = [ 4018: ['No', 'no'], 4019: ['Yes', 'yes'] ]; 4020: Apache::lonhelper::dropdown->new(); 4021: &addMessage(&Apache::lonhtmlcommon::row_closure()); 4022: 4023: # Prompt for printing annotations too. 4024: 4025: &addMessage(&Apache::lonhtmlcommon::row_title( 4026: '<label for="PRINT_ANNOTATIONS_forminput">' 4027: .&mt('Print Annotations') 4028: .'</label>' 4029: ) 4030: ); 4031: $paramHash = Apache::lonhelper::getParamHash(); 4032: $paramHash->{'variable'} = "PRINT_ANNOTATIONS"; 4033: $helper->declareVar("PRINT_ANNOTATIONS"); 4034: $paramHash->{CHOICES} = [ 4035: ['No', 'no'], 4036: ['Yes', 'yes']]; 4037: Apache::lonhelper::dropdown->new(); 4038: &addMessage(&Apache::lonhtmlcommon::row_closure()); 4039: 4040: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils'))); 4041: $paramHash = Apache::lonhelper::getParamHash(); 4042: $paramHash->{'multichoice'} = "true"; 4043: $paramHash->{'allowempty'} = "true"; 4044: $paramHash->{'variable'} = "showallfoils"; 4045: $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ]; 4046: Apache::lonhelper::choices->new(); 4047: &addMessage(&Apache::lonhtmlcommon::row_closure(1)); 4048: } 4049: 4050: if ($helper->{'VARS'}->{'construction'}) { 4051: my $stylevalue='$Apache::lonnet::env{"construct.style"}'; 4052: my $randseedtext=&mt("Use random seed"); 4053: my $stylefiletext=&mt("Use style file"); 4054: my $selectfiletext=&mt("Select style file"); 4055: 4056: my $xmlfrag .= '<message>' 4057: .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">' 4058: .$randseedtext 4059: .'</label>' 4060: ) 4061: .'</message> 4062: <string variable="curseed" size="15" maxlength="15"> 4063: <defaultvalue> 4064: return '.$helper->{VARS}->{'curseed'}.'; 4065: </defaultvalue>' 4066: .'</string>' 4067: .'<message>' 4068: .&Apache::lonhtmlcommon::row_closure() 4069: .&Apache::lonhtmlcommon::row_title('<label for="style_file">' 4070: .$stylefiletext 4071: .'</label>' 4072: ) 4073: .'</message> 4074: <string variable="style_file" size="40"> 4075: <defaultvalue> 4076: return '.$stylevalue.'; 4077: </defaultvalue> 4078: </string><message> ' 4079: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">| 4080: .$selectfiletext.'</a>' 4081: .&Apache::lonhtmlcommon::row_closure() 4082: .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils')) 4083: .'</message> 4084: <choices allowempty="1" multichoice="true" variable="showallfoils"> 4085: <choice computer="1"> </choice> 4086: </choices>' 4087: .'<message>' 4088: .&Apache::lonhtmlcommon::row_closure() 4089: .'</message>'; 4090: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 4091: 4092: 4093: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type'))); 4094: # 4095: # Initial value from construction space: 4096: # 4097: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) { 4098: $helper->{VARS}->{'probstatus'} = $env{'form.problemtype'}; # initial value 4099: } 4100: $xmlfrag = << "PROBTYPE"; 4101: <dropdown variable="probstatus" multichoice="0" allowempty="0"> 4102: <defaultvalue> 4103: return "$helper->{VARS}->{'probstatus'}"; 4104: </defaultvalue> 4105: <choice computer="problem">Homework Problem</choice> 4106: <choice computer="exam">Exam Problem</choice> 4107: <choice computer="survey">Survey question</choice> 4108: ,choice computer="anonsurvey"Anonymous survey question</choice> 4109: </dropdown> 4110: PROBTYPE 4111: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 4112: &addMessage(&Apache::lonhtmlcommon::row_closure(1)); 4113: 4114: 4115: 4116: } 4117: } 4118: 4119: 4120: 4121: 4122: if ($startedTable) { 4123: &addMessage(&Apache::lonhtmlcommon::end_pick_box()); 4124: } 4125: 4126: Apache::lonprintout::page_format_state->new("FORMAT"); 4127: 4128: # Generate the PAGESIZE state which will offer the user the margin 4129: # choices if they select one column 4130: Apache::lonhelper::state->new("PAGESIZE", "Set Margins"); 4131: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL'); 4132: 4133: 4134: $helper->process(); 4135: 4136: 4137: # MANUAL BAILOUT CONDITION: 4138: # If we're in the "final" state, bailout and return to handler 4139: if ($helper->{STATE} eq 'FINAL') { 4140: return $helper; 4141: } 4142: 4143: my $footer; 4144: if ($helper->{STATE} eq 'START') { 4145: my $prtspool=$r->dir_config('lonPrtDir'); 4146: $footer = &recently_generated($prtspool); 4147: } 4148: $r->print($helper->display($footer)); 4149: &Apache::lonhelper::unregisterHelperTags(); 4150: 4151: return OK; 4152: } 4153: 4154: 4155: 1; 4156: 4157: package Apache::lonprintout::page_format_state; 4158: 4159: =pod 4160: 4161: =head1 Helper element: page_format_state 4162: 4163: See lonhelper.pm documentation for discussion of the helper framework. 4164: 4165: Apache::lonprintout::page_format_state is an element that gives the 4166: user an opportunity to select the page layout they wish to print 4167: with: Number of columns, portrait/landscape, and paper size. If you 4168: want to change the paper size choices, change the @paperSize array 4169: contents in this package. 4170: 4171: page_format_state is always directly invoked in lonprintout.pm, so there 4172: is no tag interface. You actually pass parameters to the constructor. 4173: 4174: =over 4 4175: 4176: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 4177: 4178: =back 4179: 4180: =cut 4181: 4182: use Apache::lonhelper; 4183: 4184: no strict; 4185: @ISA = ("Apache::lonhelper::element"); 4186: use strict; 4187: use Apache::lonlocal; 4188: use Apache::lonnet; 4189: 4190: my $maxColumns = 2; 4191: # it'd be nice if these all worked 4192: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 4193: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]", 4194: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 4195: # "a5 [148x210 mm]", "a6 [105x148 mm]" ); 4196: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 4197: "a4 [210x297 mm]"); 4198: 4199: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum | 4200: # Paper type 4201: 4202: sub new { 4203: my $self = Apache::lonhelper::element->new(); 4204: 4205: shift; 4206: 4207: $self->{'variable'} = shift; 4208: my $helper = Apache::lonhelper::getHelper(); 4209: $helper->declareVar($self->{'variable'}); 4210: bless($self); 4211: return $self; 4212: } 4213: 4214: sub render { 4215: my $self = shift; 4216: my $helper = Apache::lonhelper::getHelper(); 4217: my $result = ''; 4218: my $var = $self->{'variable'}; 4219: my $PageLayout=&mt('Page layout'); 4220: my $NumberOfColumns=&mt('Number of columns'); 4221: my $PaperType=&mt('Paper type'); 4222: my $landscape=&mt('Landscape'); 4223: my $portrait=&mt('Portrait'); 4224: 4225: 4226: $result.='<h3>'.&mt('Layout Options').'</h3>' 4227: .&Apache::loncommon::start_data_table() 4228: .&Apache::loncommon::start_data_table_header_row() 4229: .'<th>'.$PageLayout.'</th>' 4230: .'<th>'.$NumberOfColumns.'</th>' 4231: .'<th>'.$PaperType.'</th>' 4232: .&Apache::loncommon::end_data_table_header_row() 4233: .&Apache::loncommon::start_data_table_row() 4234: .'<td>' 4235: .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />' 4236: .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>' 4237: .'</td>'; 4238: 4239: $result.='<td align="center">' 4240: .'<select name="'.${var}.'.cols">'; 4241: 4242: my $i; 4243: for ($i = 1; $i <= $maxColumns; $i++) { 4244: if ($i == 2) { 4245: $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n"; 4246: } else { 4247: $result .= '<option value="'.$i.'">'.$i.'</option>'."\n"; 4248: } 4249: } 4250: 4251: $result .= "</select></td><td>\n"; 4252: $result .= "<select name='${var}.paper'>\n"; 4253: 4254: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'}); 4255: my $DefaultPaperSize=lc($parmhash{'default_paper_size'}); 4256: $DefaultPaperSize=~s/\s//g; 4257: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';} 4258: $i = 0; 4259: foreach (@paperSize) { 4260: $_=~/(\w+)/; 4261: my $papersize=$1; 4262: if ($paperSize[$i]=~/$DefaultPaperSize/) { 4263: $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n"; 4264: } else { 4265: $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n"; 4266: } 4267: $i++; 4268: } 4269: $result .= <<HTML; 4270: </select> 4271: </td> 4272: HTML 4273: $result.=&Apache::loncommon::end_data_table_row() 4274: .&Apache::loncommon::end_data_table(); 4275: 4276: return $result; 4277: } 4278: 4279: sub postprocess { 4280: my $self = shift; 4281: 4282: my $var = $self->{'variable'}; 4283: my $helper = Apache::lonhelper->getHelper(); 4284: $helper->{VARS}->{$var} = 4285: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' . 4286: $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"}; 4287: return 1; 4288: } 4289: 4290: 1; 4291: 4292: package Apache::lonprintout::page_size_state; 4293: 4294: =pod 4295: 4296: =head1 Helper element: page_size_state 4297: 4298: See lonhelper.pm documentation for discussion of the helper framework. 4299: 4300: Apache::lonprintout::page_size_state is an element that gives the 4301: user the opportunity to further refine the page settings if they 4302: select a single-column page. 4303: 4304: page_size_state is always directly invoked in lonprintout.pm, so there 4305: is no tag interface. You actually pass parameters to the constructor. 4306: 4307: =over 4 4308: 4309: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 4310: 4311: =back 4312: 4313: =cut 4314: 4315: use Apache::lonhelper; 4316: use Apache::lonnet; 4317: no strict; 4318: @ISA = ("Apache::lonhelper::element"); 4319: use strict; 4320: 4321: 4322: 4323: sub new { 4324: my $self = Apache::lonhelper::element->new(); 4325: 4326: shift; # disturbs me (probably prevents subclassing) but works (drops 4327: # package descriptor)... - Jeremy 4328: 4329: $self->{'variable'} = shift; 4330: my $helper = Apache::lonhelper::getHelper(); 4331: $helper->declareVar($self->{'variable'}); 4332: 4333: # The variable name of the format element, so we can look into 4334: # $helper->{VARS} to figure out whether the columns are one or two 4335: $self->{'formatvar'} = shift; 4336: 4337: 4338: $self->{NEXTSTATE} = shift; 4339: bless($self); 4340: 4341: return $self; 4342: } 4343: 4344: sub render { 4345: my $self = shift; 4346: my $helper = Apache::lonhelper::getHelper(); 4347: my $result = ''; 4348: my $var = $self->{'variable'}; 4349: 4350: 4351: 4352: if (defined $self->{ERROR_MSG}) { 4353: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />'; 4354: } 4355: 4356: my $format = $helper->{VARS}->{$self->{'formatvar'}}; 4357: 4358: # Use format to get sensible defaults for the margins: 4359: 4360: 4361: my ($laystyle, $cols, $papersize) = split(/\|/, $format); 4362: ($papersize) = split(/ /, $papersize); 4363: 4364: $laystyle = &Apache::lonprintout::map_laystyle($laystyle); 4365: 4366: 4367: 4368: my %size; 4369: ($size{'width_and_units'}, 4370: $size{'height_and_units'}, 4371: $size{'margin_and_units'})= 4372: &Apache::lonprintout::page_format($papersize, $laystyle, $cols); 4373: 4374: foreach my $dimension ('width','height','margin') { 4375: ($size{$dimension},$size{$dimension.'_unit'}) = 4376: split(/ +/, $size{$dimension.'_and_units'},2); 4377: 4378: foreach my $unit ('cm','in') { 4379: $size{$dimension.'_options'} .= '<option '; 4380: if ($size{$dimension.'_unit'} eq $unit) { 4381: $size{$dimension.'_options'} .= 'selected="selected" '; 4382: } 4383: $size{$dimension.'_options'} .= '>'.$unit.'</option>'; 4384: } 4385: } 4386: 4387: # Adjust margin for LaTeX margin: .. requires units == cm or in. 4388: 4389: if ($size{'margin_unit'} eq 'in') { 4390: $size{'margin'} += 1; 4391: } else { 4392: $size{'margin'} += 2.54; 4393: } 4394: my %lt = &Apache::lonlocal::texthash( 4395: 'format' => 'How should each column be formatted?', 4396: 'width' => 'Width', 4397: 'height' => 'Height', 4398: 'margin' => 'Left Margin' 4399: ); 4400: 4401: $result .= '<p>'.$lt{'format'}.'</p>' 4402: .&Apache::lonhtmlcommon::start_pick_box() 4403: .&Apache::lonhtmlcommon::row_title($lt{'width'}) 4404: .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />' 4405: .'<select name="'.$var.'.widthunit">' 4406: .$size{'width_options'} 4407: .'</select>' 4408: .&Apache::lonhtmlcommon::row_closure() 4409: .&Apache::lonhtmlcommon::row_title($lt{'height'}) 4410: .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />' 4411: .'<select name="'.$var.'.heightunit">' 4412: .$size{'height_options'} 4413: .'</select>' 4414: .&Apache::lonhtmlcommon::row_closure() 4415: .&Apache::lonhtmlcommon::row_title($lt{'margin'}) 4416: .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />' 4417: .'<select name="'.$var.'.lmarginunit">' 4418: .$size{'margin_options'} 4419: .'</select>' 4420: .&Apache::lonhtmlcommon::row_closure(1) 4421: .&Apache::lonhtmlcommon::end_pick_box(); 4422: # <p>Hint: Some instructors like to leave scratch space for the student by 4423: # making the width much smaller than the width of the page.</p> 4424: 4425: return $result; 4426: } 4427: 4428: 4429: sub preprocess { 4430: my $self = shift; 4431: my $helper = Apache::lonhelper::getHelper(); 4432: 4433: my $format = $helper->{VARS}->{$self->{'formatvar'}}; 4434: 4435: # If the user does not have 'pav' privilege, set default widths and 4436: # on to the next state right away. 4437: # 4438: if (!$perm{'pav'}) { 4439: my $var = $self->{'variable'}; 4440: my $format = $helper->{VARS}->{$self->{'formatvar'}}; 4441: 4442: my ($laystyle, $cols, $papersize) = split(/\|/, $format); 4443: ($papersize) = split(/ /, $papersize); 4444: 4445: 4446: $laystyle = &Apache::lonprintout::map_laystyle($laystyle); 4447: 4448: # Figure out some good defaults for the print out and set them: 4449: 4450: my %size; 4451: ($size{'width'}, 4452: $size{'height'}, 4453: $size{'lmargin'})= 4454: &Apache::lonprintout::page_format($papersize, $laystyle, $cols); 4455: 4456: foreach my $dim ('width', 'height', 'lmargin') { 4457: my ($value, $units) = split(/ /, $size{$dim}); 4458: 4459: $helper->{VARS}->{"$var.".$dim} = $value; 4460: $helper->{VARS}->{"$var.".$dim.'unit'} = $units; 4461: 4462: } 4463: 4464: 4465: # Transition to the next state 4466: 4467: $helper->changeState($self->{NEXTSTATE}); 4468: } 4469: 4470: return 1; 4471: } 4472: 4473: sub postprocess { 4474: my $self = shift; 4475: 4476: my $var = $self->{'variable'}; 4477: my $helper = Apache::lonhelper->getHelper(); 4478: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 4479: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 4480: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 4481: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 4482: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 4483: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 4484: 4485: my $error = ''; 4486: 4487: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 4488: # by an optional period, followed by digits, ending the string 4489: 4490: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) { 4491: $error .= "Invalid width; please type only a number.<br />\n"; 4492: } 4493: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) { 4494: $error .= "Invalid height; please type only a number.<br />\n"; 4495: } 4496: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) { 4497: $error .= "Invalid left margin; please type only a number.<br />\n"; 4498: } else { 4499: # Adjust for LaTeX 1.0 inch margin: 4500: 4501: if ($env{"form.${var}.lmarginunit"} eq "in") { 4502: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1; 4503: } else { 4504: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54; 4505: } 4506: } 4507: 4508: if (!$error) { 4509: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE}); 4510: return 1; 4511: } else { 4512: $self->{ERROR_MSG} = $error; 4513: return 0; 4514: } 4515: } 4516: 4517: 4518: 4519: __END__ 4520: