Annotation of loncom/homework/edit.pm, revision 1.147
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # edit mode helpers
1.25 albertel 3: #
1.147 ! bisitz 4: # $Id: edit.pm,v 1.146 2013/07/04 16:06:13 bisitz Exp $
1.25 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.82 www 28:
1.125 raeburn 29: =pod
30:
1.117 jms 31: =head1 NAME
32:
33: Apache::edit - edit mode helpers
34:
35: =head1 SYNOPSIS
36:
37: Invoked by many homework and xml related modules.
38:
39: &Apache::edit::SUBROUTINENAME(ARGUMENTS);
40:
41: =head1 INTRODUCTION
42:
43: This module outputs HTML syntax helpful for the rendering of edit
44: mode interfaces.
45:
46: This is part of the LearningOnline Network with CAPA project
47: described at http://www.lon-capa.org.
48:
1.118 jms 49: =head1 SUBROUTINES
1.117 jms 50:
51: =over 4
52:
1.118 jms 53: =item initialize_edit()
1.117 jms 54:
1.118 jms 55: initialize edit (set colordepth to zero)
1.117 jms 56:
1.118 jms 57: =item tag_start($target,$token,$description)
1.117 jms 58:
1.118 jms 59: provide deletion and insertion lists
1.117 jms 60: for the manipulation of a start tag; return a scalar string
61:
1.118 jms 62: =item tag_end($target,$token,$description)
1.117 jms 63:
1.118 jms 64: ending syntax corresponding to
1.117 jms 65: &tag_start. return a scalar string.
66:
1.118 jms 67: =item start_table($token)
1.117 jms 68:
1.118 jms 69: start table; update colordepth; return scalar string.
1.117 jms 70:
1.118 jms 71: =item end_table()
1.117 jms 72:
1.118 jms 73: reduce color depth; end table; return scalar string
1.117 jms 74:
1.118 jms 75: =item start_spanning_row()
1.117 jms 76:
1.118 jms 77: start a new table row spanning the 'edit' environment.
1.117 jms 78:
1.118 jms 79: =item start_row()
1.117 jms 80:
1.118 jms 81: start a new table row and element.
1.117 jms 82:
1.118 jms 83: =item end_row()
1.117 jms 84:
1.118 jms 85: end current table element and row.
1.117 jms 86:
1.118 jms 87: =item movebuttons($target,$token)
1.117 jms 88:
1.118 jms 89: move-up and move-down buttons; return scalar string
1.117 jms 90:
1.118 jms 91: =item deletelist($target,$token)
1.117 jms 92:
1.118 jms 93: provide a yes option in an HTML select element; return scalar string
1.117 jms 94:
1.118 jms 95: =item handle_delete($space,$target,$token,$tagstack,$parstack,$parser,$safeeval,
96: $style)
1.117 jms 97:
1.118 jms 98: respond to a user delete request by passing relevant stack
1.117 jms 99: and array information to various rendering functions; return a scalar string
100:
1.118 jms 101: =item get_insert_list($token)
102:
103: provide an insertion list based on possibilities from lonxml; return a scalar string
1.117 jms 104:
1.118 jms 105: =item insertlist($target,$token)
1.117 jms 106:
1.118 jms 107: api that uses get_insert_list; return a scalar string
1.117 jms 108:
1.118 jms 109: =item handleinsert($token)
1.117 jms 110:
1.118 jms 111: provide an insertion list based on possibilities from lonxml; return a scalar string
1.117 jms 112:
1.118 jms 113: =item get_insert_list($token)
1.117 jms 114:
1.118 jms 115: provide an insertion list based on possibilities from lonxml; return a scalar string
1.117 jms 116:
1.118 jms 117: =item browse($elementname)
1.117 jms 118:
1.118 jms 119: provide a link which will open up the filesystem browser (lonindexer) and, once a file is selected, place the result in the form element $elementname.
1.117 jms 120:
1.118 jms 121: =item search($elementname)
1.117 jms 122:
1.118 jms 123: provide a link which will open up the filesystem searcher (lonsearchcat) and, once a file is selected, place the result in the form element $elementname.
124:
125: =item editline(tag,data,description,size)
126:
127: Provide a <input type="text" ../> for single-line text entry. This is to be used for text enclosed by tags, not arguements/parameters associated with a tag.
1.117 jms 128:
129: =back
130:
131: =cut
132:
1.1 albertel 133: package Apache::edit;
134:
135: use strict;
1.92 albertel 136: use Apache::lonnet;
1.32 albertel 137: use HTML::Entities();
1.71 www 138: use Apache::lonlocal;
1.102 www 139: use lib '/home/httpd/lib/perl/';
140: use LONCAPA;
141:
1.1 albertel 142:
1.10 albertel 143: # Global Vars
144: # default list of colors to use in editing
145: @Apache::edit::colorlist=('#ffffff','#ff0000','#00ff00','#0000ff','#0ff000','#000ff0','#f0000f');
146: # depth of nesting of edit
147: $Apache::edit::colordepth=0;
1.38 www 148: @Apache::edit::inserttag=();
1.49 www 149: # image-type responses: active background image and curdepth at definition
150: $Apache::edit::bgimgsrc='';
151: $Apache::edit::bgimgsrccurdepth='';
1.10 albertel 152:
153: sub initialize_edit {
1.63 albertel 154: $Apache::edit::colordepth=0;
155: @Apache::edit::inserttag=();
1.10 albertel 156: }
157:
1.1 albertel 158: sub tag_start {
1.63 albertel 159: my ($target,$token,$description) = @_;
160: my $result='';
161: if ($target eq "edit") {
162: my $tag=$token->[1];
163: if (!$description) {
164: $description=&Apache::lonxml::description($token);
165: if (!$description) { $description="<$tag>"; }
166: }
167: $result.= &start_table($token)."<tr><td>$description</td>
1.116 bisitz 168: <td>".&mt('Delete?').' '.
1.63 albertel 169: &deletelist($target,$token)
170: ."</td>
171: <td>".
172: &insertlist($target,$token);
1.27 matthew 173: #<td>".
1.22 albertel 174: # &movebuttons($target,$token).
175: # "</tr><tr><td colspan=\"3\">\n";
1.66 matthew 176: my @help = Apache::lonxml::helpinfo($token);
1.63 albertel 177: if ($help[0]) {
1.88 albertel 178: $result .= '</td><td align="right" valign="top">' .
179: Apache::loncommon::help_open_topic(@help);
180: } else { $result .= "</td><td> "; }
1.63 albertel 181: $result .= &end_row().&start_spanning_row();
182: }
183: return $result;
1.1 albertel 184: }
185:
186: sub tag_end {
1.63 albertel 187: my ($target,$token,$description) = @_;
188: my $result='';
189: if ($target eq 'edit') {
190: $result.="</td></tr>".&end_table()."\n";
191: }
192: return $result;
1.4 albertel 193: }
1.1 albertel 194:
1.10 albertel 195: sub start_table {
1.63 albertel 196: my ($token)=@_;
1.104 albertel 197: my $tag = &Apache::lonxml::get_tag($token);
198:
199: my $color = $Apache::lonxml::insertlist{"$tag.color"};
200: &Apache::lonxml::debug(" $tag -- $color");
1.63 albertel 201: if (!defined($color)) {
202: $color = $Apache::edit::colorlist[$Apache::edit::colordepth];
203: }
204: $Apache::edit::colordepth++;
205: push(@Apache::edit::inserttag,$token->[1]);
206: my $result='<div align="right">';
1.124 bisitz 207: $result.='<table bgcolor="'.$color.'" width="97%" border="0" cellspacing="3" cellpadding="2">';
1.63 albertel 208: return $result;
1.10 albertel 209: }
210:
211: sub end_table {
1.63 albertel 212: $Apache::edit::colordepth--;
213: my $result='</table></div>';
1.94 albertel 214: $result.='<div align="left"><table><tr><td>';
1.63 albertel 215:
216: my ($tagname,$closingtag);
217: if (defined($Apache::edit::inserttag[-2])) {
218: $tagname=$Apache::edit::inserttag[-2];
1.105 albertel 219: } else {
220: if ($Apache::lonhomework::parsing_a_task) {
221: $tagname='Task';
222: } else {
223: $tagname='problem';
224: }
225: }
1.63 albertel 226: if (defined($Apache::edit::inserttag[-1])) {
227: $closingtag=$Apache::edit::inserttag[-1];
228: }
229: $result.=&innerinsertlist('edit',$tagname,$closingtag).
1.94 albertel 230: "</td></tr></table></div>";
1.105 albertel 231: my $last = pop(@Apache::edit::inserttag);
1.63 albertel 232: return $result;
1.10 albertel 233: }
234:
1.124 bisitz 235: sub start_spanning_row { return '<tr><td colspan="5" bgcolor="#F0F0F0">';}
1.41 www 236: sub start_row { return '<tr><td bgcolor="#DDDDDD">'; }
1.27 matthew 237: sub end_row { return '</td></tr>'; }
238:
1.22 albertel 239: sub movebuttons {
1.63 albertel 240: my ($target,$token) = @_;
241: my $result='<input type="submit" name="moveup.'.
242: $Apache::lonxml::curdepth.'" value="Move Up" />';
243: $result.='<input type="submit" name="movedown.'.
244: $Apache::lonxml::curdepth.'" value="Move Down" />';
245: return $result;
1.22 albertel 246: }
247:
1.8 albertel 248: sub deletelist {
1.63 albertel 249: my ($target,$token) = @_;
250: my $result = "<select name=\"delete_$Apache::lonxml::curdepth\">
1.14 albertel 251: <option></option>
1.116 bisitz 252: <option>".&mt('yes')."</option>
1.8 albertel 253: </select>";
1.63 albertel 254: return $result;
1.8 albertel 255: }
256:
1.14 albertel 257: sub handle_delete {
1.92 albertel 258: if (!$env{"form.delete_$Apache::lonxml::curdepth"}) { return ''; }
1.63 albertel 259: my ($space,$target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
260: my $result=0;
261: if ($space) {
262: my $sub1="$space\:\:delete_$token->[1]";
263: {
264: no strict 'refs';
265: if (defined &$sub1) {
266: $result=&$sub1($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
267: }
268: }
269: }
270: if (!$result) {
271: my $endtag='/'.$token->[1];
1.97 albertel 272: my $bodytext=&Apache::lonxml::get_all_text($endtag,$parser,$style);
1.63 albertel 273: $$parser['-1']->get_token();
274: &Apache::lonxml::debug("Deleting :$bodytext: for $token->[1]");
275: &Apache::lonxml::end_tag($tagstack,$parstack,$token);
276: }
277: return 1;
1.14 albertel 278: }
279:
1.7 albertel 280: sub get_insert_list {
1.63 albertel 281: my ($tagname) = @_;
282: my $result='';
1.104 albertel 283: my @tags= ();
1.63 albertel 284: #&Apache::lonxml::debug("keys ".join("\n",sort(keys(%Apache::lonxml::insertlist))));
285: if ($Apache::lonxml::insertlist{"$tagname.which"}) {
1.104 albertel 286: push (@tags, @{ $Apache::lonxml::insertlist{"$tagname.which"} });
1.63 albertel 287: }
288: foreach my $namespace (@Apache::lonxml::namespace) {
289: if ($Apache::lonxml::insertlist{"$namespace".'::'."$tagname.which"}) {
1.104 albertel 290: push (@tags, @{ $Apache::lonxml::insertlist{"$namespace".'::'."$tagname.which"} });
1.63 albertel 291: }
292: }
1.104 albertel 293: if (@tags) {
1.63 albertel 294: my %options;
1.104 albertel 295: foreach my $tag (@tags) {
296: my $descrip=$Apache::lonxml::insertlist{"$tag.description"};
297: my $tagnum =$Apache::lonxml::insertlist{"$tag.num"};
1.63 albertel 298: $options{$descrip} ="<option value=\"$tagnum\">".
299: $descrip."</option>\n";
300: }
301: foreach my $option (sort(keys(%options))) {$result.=$options{$option};}
1.88 albertel 302: if ($result) { $result='<option selected="selected"></option>'.$result; }
1.63 albertel 303: }
304: return $result;
1.5 albertel 305: }
306:
1.4 albertel 307: sub insertlist {
1.63 albertel 308: my ($target,$token) = @_;
309: return &innerinsertlist($target,$token->[1]);
1.38 www 310: }
311:
312: sub innerinsertlist {
1.63 albertel 313: my ($target,$tagname,$closingtag) = @_;
314: my $result;
315: my $after='';
316: if ($closingtag) {
317: $after='_after_'.$closingtag;
318: }
319: if ($target eq 'edit') {
320: my $optionlist= &get_insert_list($tagname);
321: if ($optionlist) {
1.116 bisitz 322: $result = &mt('Insert:')."
1.63 albertel 323: <select name=\"insert$after\_$Apache::lonxml::curdepth\">
324: $optionlist
325: </select>"
326: } else {
327: $result=" ";
328: }
1.6 albertel 329: }
1.63 albertel 330: return $result;
1.6 albertel 331: }
332:
1.7 albertel 333: sub handle_insert {
1.92 albertel 334: if ($env{"form.insert_$Apache::lonxml::curdepth"} eq '') { return ''; }
335: my $tagnum = $env{"form.insert_$Apache::lonxml::curdepth"};
1.104 albertel 336: return &do_insert($tagnum);
1.38 www 337: }
338:
339: sub handle_insertafter {
1.63 albertel 340: my $tagname=shift;
1.104 albertel 341: if ($env{"form.insert_after_$tagname\_$Apache::lonxml::curdepth"} eq '') {
342: return '';
343: }
344: my $tagnum =$env{"form.insert_after_$tagname\_$Apache::lonxml::curdepth"};
1.105 albertel 345: return &do_insert($tagnum,1);
1.104 albertel 346: }
347:
348: sub do_insert {
1.105 albertel 349: my ($tagnum,$after) = @_;
1.63 albertel 350: my $result;
1.104 albertel 351:
352: my $newtag = $Apache::lonxml::insertlist{"$tagnum.tag"};
353: my $func = $Apache::lonxml::insertlist{"$newtag.function"};
1.63 albertel 354: if ($func eq 'default') {
355: my $namespace;
356: if ($newtag =~ /::/) { ($namespace,$newtag) = split(/::/,$newtag); }
1.105 albertel 357: my $depth = scalar(@Apache::lonxml::depthcounter);
358: $depth -- if ($after);
359: my $inset = "\t"x$depth;
1.126 www 360: $result.="\n$inset<$newtag></$newtag>";
1.38 www 361: } else {
1.63 albertel 362: if (defined(&$func)) {
363: {
364: no strict 'refs';
365: $result.=&$func();
366: }
367: } else {
1.104 albertel 368: &Apache::lonxml::error("Unable to insert tag $newtag, $func was not defined. ($tagnum)");
1.63 albertel 369: }
1.5 albertel 370: }
1.63 albertel 371: return $result;
1.69 albertel 372: }
373:
374: sub insert_img {
375: return '
376: <img />';
1.16 albertel 377: }
378:
379: sub insert_responseparam {
1.63 albertel 380: return '
1.16 albertel 381: <responseparam />';
1.5 albertel 382: }
383:
1.87 albertel 384: sub insert_parameter {
385: return '
386: <parameter />';
387: }
388:
1.24 albertel 389: sub insert_formularesponse {
1.63 albertel 390: return '
1.24 albertel 391: <formularesponse answer="" samples="">
1.86 albertel 392: <responseparam description="Numerical Tolerance" type="tolerance" default="0.00001" name="tol" />
393: <textline size="25"/>
1.24 albertel 394: <hintgroup>
1.78 www 395: <startouttext /><endouttext />
1.24 albertel 396: </hintgroup>
397: </formularesponse>';
398: }
399:
1.129 www 400: sub insert_functionplotresponse {
401: return '
402: <functionplotresponse>
1.133 www 403: <functionplotelements>
404: </functionplotelements>
405: <functionplotruleset>
406: </functionplotruleset>
1.129 www 407: </functionplotresponse>';
408: }
409:
1.131 www 410: sub insert_spline {
411: return '
412: <spline />';
413: }
414:
415: sub insert_backgroundplot {
416: return '
417: <backgroundplot />';
418: }
419:
1.136 www 420: sub insert_plotobject {
421: return '
422: <plotobject />';
423: }
424:
425: sub insert_plotvector {
426: return '
427: <plotvector />';
428: }
429:
1.141 www 430: sub insert_drawvectorsum {
431: return '
432: <drawvectorsum />';
433: }
434:
435:
1.132 www 436: sub insert_functionplotrule {
1.131 www 437: return '
1.132 www 438: <functionplotrule />';
1.131 www 439: }
440:
1.137 www 441: sub insert_functionplotvectorrule {
442: return '
443: <functionplotvectorrule />';
444: }
445:
446: sub insert_functionplotvectorsumrule {
447: return '
448: <functionplotvectorsumrule />';
449: }
450:
1.138 www 451: sub insert_functionplotcustomrule {
452: return '
453: <functionplotcustomrule>
454: <answer type="loncapa/perl">
455: # &fpr_val("label"), &fpr_f($x), &fpr_dfdx($x), &fpr_d2fdx2($x)
456: # ($xs,$xe,$ys,$ye)=&fpr_vectorcoords("Name"), ($x,$y)=&fpr_objectcoords("Name")
457: # &fpr_vectorlength("Name"), &fpr_vectorangle("Name")
458:
459: # Return 0 or 1
460: return 1;
461: </answer>
462: </functionplotcustomrule>';
463: }
464:
1.133 www 465: sub insert_functionplotruleset {
466: return '
467: <functionplotruleset>
468: <functionplotrule />
469: </functionplotruleset>';
470: }
1.131 www 471:
1.133 www 472: sub insert_functionplotelements {
473: return '
474: <functionplotelements>
475: <spline />
476: </functionplotelements>';
477: }
1.131 www 478:
1.15 albertel 479: sub insert_numericalresponse {
1.63 albertel 480: return '
1.15 albertel 481: <numericalresponse answer="">
1.90 www 482: <responseparam type="tolerance" default="5%" name="tol" description="Numerical Tolerance" />
483: <responseparam name="sig" type="int_range,0-16" default="0,15" description="Significant Figures" />
1.15 albertel 484: <textline />
485: <hintgroup>
1.78 www 486: <startouttext /><endouttext />
1.15 albertel 487: </hintgroup>
488: </numericalresponse>';
489: }
490:
1.145 kruse 491: sub insert_externalresponse {
492: return '
493: <externalresponse url="" answer="" answerdisplay="" form="">
494: <textfield spellcheck="none" />
495: </externalresponse>';
496: }
497:
1.96 albertel 498: sub insert_customresponse {
1.95 albertel 499: return '
1.96 albertel 500: <customresponse>
1.95 albertel 501: <answer type="loncapa/perl">
502: </answer>
503: <textline />
504: <hintgroup>
505: <startouttext /><endouttext />
506: </hintgroup>
1.96 albertel 507: </customresponse>';
1.95 albertel 508: }
509:
1.96 albertel 510: sub insert_customresponse_answer {
1.95 albertel 511: return '
512: <answer type="loncapa/perl">
513: </answer>
514: ';
515: }
516:
1.106 albertel 517: sub insert_customhint {
518: return '
519: <customhint>
520: <answer type="loncapa/perl">
521: </answer>
522: </customhint>';
523: }
524:
525: sub insert_customhint_answer {
526: return '
527: <answer type="loncapa/perl">
528: </answer>
529: ';
530: }
531:
532: sub insert_mathresponse {
533: return '
534: <mathresponse>
535: <answer>
536: </answer>
537: <textline />
538: <hintgroup>
539: <startouttext />
540: <endouttext />
541: </hintgroup>
542: </mathresponse>';
543: }
544:
545: sub insert_mathresponse_answer {
546: return '
547: <answer>
548: </answer>
549: ';
550: }
551:
552: sub insert_mathhint {
553: return '
554: <mathhint>
555: <answer>
556: </answer>
557: </mathhint>';
558: }
559:
560: sub insert_mathhint_answer {
561: return '
562: <answer>
563: </answer>
564: ';
565: }
566:
1.18 albertel 567: sub insert_stringresponse {
1.63 albertel 568: return '
1.18 albertel 569: <stringresponse answer="" type="">
570: <textline />
571: <hintgroup>
1.78 www 572: <startouttext /><endouttext />
1.18 albertel 573: </hintgroup>
574: </stringresponse>';
1.36 albertel 575: }
576:
577: sub insert_essayresponse {
1.63 albertel 578: return '
1.36 albertel 579: <essayresponse>
580: <textfield></textfield>
581: </essayresponse>';
1.54 albertel 582: }
583:
584: sub insert_imageresponse {
1.63 albertel 585: return '
1.54 albertel 586: <imageresponse max="1">
587: <foilgroup>
1.89 albertel 588: <foil>
589: </foil>
1.54 albertel 590: </foilgroup>
591: <hintgroup>
1.78 www 592: <startouttext /><endouttext />
1.54 albertel 593: </hintgroup>
594: </imageresponse>';
1.18 albertel 595: }
596:
1.7 albertel 597: sub insert_optionresponse {
1.63 albertel 598: return '
1.7 albertel 599: <optionresponse max="10">
600: <foilgroup options="">
1.89 albertel 601: <foil>
602: <startouttext /><endouttext />
603: </foil>
1.7 albertel 604: </foilgroup>
1.14 albertel 605: <hintgroup>
1.78 www 606: <startouttext /><endouttext />
1.14 albertel 607: </hintgroup>
1.7 albertel 608: </optionresponse>';
1.1 albertel 609: }
610:
1.72 albertel 611: sub insert_organicresponse {
612: return '
613: <organicresponse>
614: <textline />
615: <hintgroup>
1.78 www 616: <startouttext /><endouttext />
1.72 albertel 617: </hintgroup>
618: </organicresponse>';
619: }
620:
621: sub insert_organicstructure {
622: return '
623: <organicstructure />
624: ';
625: }
626:
1.23 albertel 627: sub insert_radiobuttonresponse {
1.63 albertel 628: return '
1.23 albertel 629: <radiobuttonresponse max="10">
630: <foilgroup>
1.89 albertel 631: <foil>
632: <startouttext /><endouttext />
633: </foil>
1.23 albertel 634: </foilgroup>
635: <hintgroup>
1.78 www 636: <startouttext /><endouttext />
1.23 albertel 637: </hintgroup>
638: </radiobuttonresponse>';
1.72 albertel 639: }
640:
641: sub insert_reactionresponse {
642: return '
643: <reactionresponse>
644: <textline />
645: <hintgroup>
1.78 www 646: <startouttext /><endouttext />
1.72 albertel 647: </hintgroup>
648: </reactionresponse>';
1.43 albertel 649: }
650:
651: sub insert_rankresponse {
1.63 albertel 652: return '
1.43 albertel 653: <rankresponse max="10">
654: <foilgroup options="">
1.89 albertel 655: <foil>
656: <startouttext /><endouttext />
657: </foil>
1.43 albertel 658: </foilgroup>
659: <hintgroup>
1.78 www 660: <startouttext /><endouttext />
1.43 albertel 661: </hintgroup>
662: </rankresponse>';
1.23 albertel 663: }
664:
1.44 albertel 665: sub insert_matchresponse {
1.63 albertel 666: return '
1.44 albertel 667: <matchresponse max="10">
668: <foilgroup options="">
669: <itemgroup>
1.146 bisitz 670: <item>
671: <startouttext /><endouttext />
672: </item>
1.44 albertel 673: </itemgroup>
1.89 albertel 674: <foil>
675: <startouttext /><endouttext />
676: </foil>
1.44 albertel 677: </foilgroup>
678: <hintgroup>
1.78 www 679: <startouttext /><endouttext />
1.44 albertel 680: </hintgroup>
681: </matchresponse>';
682: }
683:
1.127 www 684: sub insert_startpartmarker { return '<startpartmarker />'; }
685: sub insert_endpartmarker { return '<endpartmarker />'; }
686:
1.21 albertel 687: sub insert_displayduedate { return '<displayduedate />'; }
688: sub insert_displaytitle { return '<displaytitle />'; }
1.22 albertel 689: sub insert_hintpart {
1.63 albertel 690: return '
1.22 albertel 691: <hintpart on="default">
1.90 www 692: <startouttext/><endouttext />
1.22 albertel 693: </hintpart>';
1.67 albertel 694: }
695:
696: sub insert_hintgroup {
697: return '
698: <hintgroup>
1.78 www 699: <startouttext /><endouttext />
1.67 albertel 700: </hintgroup>';
1.22 albertel 701: }
702:
703: sub insert_numericalhint {
1.63 albertel 704: return '
1.22 albertel 705: <numericalhint>
706: </numericalhint>';
1.46 albertel 707: }
708:
1.123 www 709: sub insert_reactionhint {
710: return '
711: <reactionhint>
712: </reactionhint>';
713: }
714:
715: sub insert_organichint {
716: return '
717: <organichint>
718: </organichint>';
719: }
720:
1.46 albertel 721: sub insert_stringhint {
1.63 albertel 722: return '
1.46 albertel 723: <stringhint>
724: </stringhint>';
725: }
726:
727: sub insert_formulahint {
1.63 albertel 728: return '
1.46 albertel 729: <formulahint>
730: </formulahint>';
1.37 albertel 731: }
732:
733: sub insert_radiobuttonhint {
1.63 albertel 734: return '
1.37 albertel 735: <radiobuttonhint>
736: </radiobuttonhint>';
1.50 albertel 737: }
738:
739: sub insert_optionhint {
1.63 albertel 740: return '
1.50 albertel 741: <optionhint>
742: </optionhint>';
1.22 albertel 743: }
1.21 albertel 744:
1.23 albertel 745: sub insert_startouttext {
1.78 www 746: return "<startouttext /><endouttext />";
1.23 albertel 747: }
748:
749: sub insert_script {
1.78 www 750: return "\n<script type=\"loncapa/perl\"></script>";
1.23 albertel 751: }
752:
1.98 albertel 753: sub js_change_detection {
754: my $unsaved=&mt("There are unsaved changes");
755: return (<<SCRIPT);
756: <script type="text/javascript">
1.142 raeburn 757: // <![CDATA[
1.98 albertel 758: var clean = true;
759: var is_submit = false;
1.99 albertel 760: var still_ask = false;
1.98 albertel 761: function compareForm(event_) {
762: if (!event_ && window.event) {
763: event_ = window.event;
764: }
1.99 albertel 765: if ((!is_submit || (is_submit && still_ask)) && !clean) {
766: still_ask = false;
767: is_submit = false;
1.98 albertel 768: event_.returnValue = "$unsaved";
769: return "$unsaved";
770: }
771: }
772: function unClean() {
773: clean=false;
774: }
775: window.onbeforeunload = compareForm;
1.142 raeburn 776: // ]]>
1.98 albertel 777: </script>
778: SCRIPT
779: }
780:
781: sub form_change_detection {
782: return ' onsubmit="is_submit=true;" ';
783: }
784:
785: sub element_change_detection {
786: return ' onchange="unClean();" ';
787: }
788:
1.99 albertel 789: sub submit_ask_anyway {
1.113 raeburn 790: my ($extra_action) = @_;
791: return ' onclick="still_ask=true;'.$extra_action.'" ';
1.99 albertel 792: }
793:
1.134 www 794: sub submit_dont_ask {
795: my ($extra_action) = @_;
796: return ' onclick="is_submit=true;'.$extra_action.'" ';
797: }
798:
799:
1.25 albertel 800: sub textarea_sizes {
1.63 albertel 801: my ($data)=@_;
802: my $count=0;
803: my $maxlength=-1;
804: foreach (split ("\n", $$data)) {
805: $count+=int(length($_)/79);
806: $count++;
807: if (length($_) > $maxlength) { $maxlength = length($_); }
808: }
809: my $rows = $count;
810: my $cols = $maxlength;
811: return ($rows,$cols);
1.25 albertel 812: }
813:
1.32 albertel 814: sub editline {
1.31 matthew 815: my ($tag,$data,$description,$size)=@_;
1.81 albertel 816: $data=&HTML::Entities::encode($data,'<>&"');
1.112 albertel 817: if ($description) { $description=$description."<br />"; }
1.98 albertel 818: my $change_code = &element_change_detection();
1.31 matthew 819: my $result = <<"END";
820: $description
821: <input type="text" name="homework_edit_$Apache::lonxml::curdepth"
1.98 albertel 822: value="$data" size="$size" $change_code />
1.31 matthew 823: END
824: return $result;
825: }
826:
1.2 albertel 827: sub editfield {
1.82 www 828: my ($tag,$data,$description,$minwidth,$minheight,$usehtmlarea)=@_;
1.22 albertel 829:
1.63 albertel 830: my ($rows,$cols)=&textarea_sizes(\$data);
1.128 raeburn 831: my $textareaclass;
832:
833: if (&Apache::lonhtmlcommon::htmlareabrowser() && $usehtmlarea) {
1.84 www 834: $rows+=7; # make room for HTMLarea
835: $minheight+=7; # make room for HTMLarea
1.128 raeburn 836: $textareaclass = ' class="LC_richDefaultOff"';
1.84 www 837: }
1.63 albertel 838: if ($cols > 80) { $cols = 80; }
839: if ($cols < $minwidth ) { $cols = $minwidth; }
840: if ($rows < $minheight) { $rows = $minheight; }
1.144 bisitz 841: if ($description) { $description='<br />'.&mt($description).'<br />'; }
1.128 raeburn 842:
1.105 albertel 843: # remove typesetting whitespace from between data and the end tag
844: # to make the edit look prettier
845: $data =~ s/\n?[ \t]*$//;
846:
1.135 bisitz 847: return $description."\n".'<textarea style="width:99%" rows="'.$rows.
1.63 albertel 848: '" cols="'.$cols.'" name="homework_edit_'.
1.82 www 849: $Apache::lonxml::curdepth.'" id="homework_edit_'.
1.128 raeburn 850: $Apache::lonxml::curdepth.'" '.&element_change_detection().
851: $textareaclass.'>'.
1.85 www 852: &HTML::Entities::encode($data,'<>&"').'</textarea>'.
1.144 bisitz 853: ($usehtmlarea?'<br />'.&Apache::lonhtmlcommon::spelllink('lonhomework',
854: 'homework_edit_'.$Apache::lonxml::curdepth):'')."\n";
1.2 albertel 855: }
856:
857: sub modifiedfield {
1.70 albertel 858: my ($endtag,$parser) = @_;
1.63 albertel 859: my $result;
1.92 albertel 860: $result=$env{"form.homework_edit_$Apache::lonxml::curdepth"};
1.70 albertel 861: my $bodytext=&Apache::lonxml::get_all_text($endtag,$parser);
862: # textareas throw away intial \n
1.105 albertel 863: if ($bodytext=~/^\n/) {
864: $result="\n".$result;
865: }
866: # if there is typesetting whitespace from between the data and the end tag
867: # restore to keep the source looking pretty
868: if ($bodytext =~ /(\n?[ \t]*)$/) {
869: $result .= $1;
870: }
1.63 albertel 871: return $result;
1.2 albertel 872: }
873:
1.15 albertel 874: # Returns a 1 if the token has been modified and you should rebuild the tag
1.12 albertel 875: # side-effects, will modify the $token if new values are found
876: sub get_new_args {
1.61 albertel 877: my ($token,$parstack,$safeeval,@args)=@_;
878: my $rebuild=0;
879: foreach my $arg (@args) {
1.63 albertel 880: #just want the string that it was set to
881: my $value=$token->[2]->{$arg};
882: my $element=&html_element_name($arg);
1.92 albertel 883: my $newvalue=$env{"form.$element"};
1.63 albertel 884: &Apache::lonxml::debug("for:$arg: cur is :$value: new is :$newvalue:");
885: if (defined($newvalue) && $value ne $newvalue) {
886: if (ref($newvalue) eq 'ARRAY') {
887: $token->[2]->{$arg}=join(',',@$newvalue);
888: } else {
889: $token->[2]->{$arg}=$newvalue;
890: }
1.79 albertel 891: $rebuild=1;
1.111 albertel 892: # add new attributes to the of the attribute seq
893: if (!grep { $arg eq $_ } (@{ $token->[3] })) {
894: push(@{ $token->[3] },$arg);
895: }
1.79 albertel 896: } elsif (!defined($newvalue) && defined($value)) {
897: delete($token->[2]->{$arg});
1.63 albertel 898: $rebuild=1;
1.61 albertel 899: }
1.12 albertel 900: }
1.63 albertel 901: return $rebuild;
1.12 albertel 902: }
903:
1.15 albertel 904: # looks for /> on start tags
1.12 albertel 905: sub rebuild_tag {
1.63 albertel 906: my ($token) = @_;
907: my $result;
908: if ($token->[0] eq 'S') {
909: $result = '<'.$token->[1];
1.109 albertel 910: foreach my $attribute (@{ $token->[3] }) {
911: my $value = $token->[2]{$attribute};
1.111 albertel 912: next if ($value eq '');
1.109 albertel 913: $value =~s/^\s+|\s+$//g;
914: $value =~s/\"//g;
915: &Apache::lonxml::debug("setting :$attribute: to :$value:");
916: $result.=' '.$attribute.'="'.$value.'"';
1.63 albertel 917: }
918: if ($token->[4] =~ m:/>$:) {
919: $result.=' />';
920: } else {
921: $result.='>';
922: }
923: } elsif ( $token->[0] eq 'E' ) {
924: $result = '</'.$token->[1].'>';
1.12 albertel 925: }
1.63 albertel 926: return $result;
1.12 albertel 927: }
1.13 albertel 928:
1.47 matthew 929: sub html_element_name {
930: my ($name) = @_;
1.48 albertel 931: return $name.'_'.$Apache::lonxml::curdepth;
932: }
933:
934: sub hidden_arg {
935: my ($name,$token) = @_;
936: my $result;
937: my $arg=$token->[2]{$name};
938: $result='<input name="'.&html_element_name($name).
939: '" type="hidden" value="'.$arg.'" />';
1.61 albertel 940: return $result;
941: }
942:
943: sub checked_arg {
944: my ($description,$name,$list,$token) = @_;
945: my $result;
946: my $optionlist="";
947: my $allselected=$token->[2]{$name};
1.71 www 948: $result=&mt($description);
1.61 albertel 949: foreach my $option (@$list) {
950: my ($value,$text);
951: if ( ref($option) eq 'ARRAY') {
952: $value='value="'.$$option[0].'"';
953: $text=$$option[1];
954: $option=$$option[0];
955: } else {
956: $text=$option;
957: $value='value="'.$option.'"';
958: }
1.143 bisitz 959: $result.=' <span class="LC_edit_opt"><label><input type="checkbox" '.$value.' name="'.
1.119 raeburn 960: &html_element_name($name).'"';
1.61 albertel 961: foreach my $selected (split(/,/,$allselected)) {
962: if ( $selected eq $option ) {
1.119 raeburn 963: $result.=' checked="checked" ';
1.61 albertel 964: last;
965: }
966: }
1.119 raeburn 967: $result.=&element_change_detection().' />'.$text.'</label></span>'."\n";
1.61 albertel 968: }
1.48 albertel 969: return $result;
1.47 matthew 970: }
971:
1.13 albertel 972: sub text_arg {
1.140 foxr 973: my ($description,$name,$token,$size, $class) = @_;
1.63 albertel 974: my $result;
975: if (!defined $size) { $size=20; }
976: my $arg=$token->[2]{$name};
1.71 www 977: $result=&mt($description).' <input name="'.&html_element_name($name).
1.140 foxr 978: '" type="text" value="'.$arg.'" size="'.$size.'" ';
979: if (defined $class) {
980: $result .= 'class="' . $class . '" ';
981: }
982: $result .= &element_change_detection().'/>';
1.143 bisitz 983: return ' <span class="LC_edit_opt">'.$result.'</span>';
1.13 albertel 984: }
985:
986: sub select_arg {
1.39 albertel 987: my ($description,$name,$list,$token) = @_;
988: my $result;
989: my $optionlist="";
990: my $selected=$token->[2]{$name};
1.121 raeburn 991: if (ref($list) eq 'ARRAY') {
992: foreach my $option (@{$list}) {
993: my ($text,$value);
994: if (ref($option) eq 'ARRAY') {
995: $value='value="'.&HTML::Entities::encode($option->[0]).'"';
996: $text=$option->[1];
997: $option=$option->[0];
998: } else {
999: $text=$option;
1000: $value='value="'.&HTML::Entities::encode($option,'\'"&<>').'"';
1001: }
1002: if ( $selected eq $option ) {
1003: $optionlist.="<option $value selected=\"selected\">".&mt($text)."</option>\n";
1004: } else {
1005: $optionlist.="<option $value >".&mt($text)."</option>\n";
1006: }
1007: }
1.13 albertel 1008: }
1.143 bisitz 1009: $result.=' <span class="LC_edit_opt">'.&mt($description).' <select name="'.
1.98 albertel 1010: &html_element_name($name).'" '.&element_change_detection().' >
1.13 albertel 1011: '.$optionlist.'
1.119 raeburn 1012: </select></span>';
1.39 albertel 1013: return $result;
1.13 albertel 1014: }
1015:
1.19 albertel 1016: sub select_or_text_arg {
1.39 albertel 1017: my ($description,$name,$list,$token,$size) = @_;
1018: my $result;
1019: my $optionlist="";
1020: my $found=0;
1021: my $selected=$token->[2]{$name};
1.121 raeburn 1022: if (ref($list) eq 'ARRAY') {
1023: foreach my $option (@{$list}) {
1024: my ($text,$value);
1025: if (ref($option) eq 'ARRAY') {
1026: $value='value="'.&HTML::Entities::encode($option->[0]).'"';
1027: $text=$option->[1];
1028: $option=$option->[0];
1029: } else {
1030: $text=$option;
1031: $value='value="'.&HTML::Entities::encode($option,'\'"&<>').'"';
1032: }
1033: if ( $selected eq $option ) {
1034: $optionlist.="<option $value selected=\"selected\">$text</option>\n";
1035: $found=1;
1036: } else {
1037: $optionlist.="<option $value>$text</option>\n";
1038: }
1039: }
1.39 albertel 1040: }
1.60 www 1041: $optionlist.="<option value=\"TYPEDINVALUE\"".
1.88 albertel 1042: ((!$found)?' selected="selected"':'').
1.73 www 1043: ">".&mt('Type-in value')."</option>\n";
1.60 www 1044: #
1.98 albertel 1045: my $change_code=&element_change_detection();
1.60 www 1046: my $element=&html_element_name($name);
1047: my $selectelement='select_list_'.$element;
1048: my $typeinelement='type_in_'.$element;
1049: my $typeinvalue=($found?'':$selected);
1050: #
1051: my $hiddenvalue='this.form.'.$element.'.value';
1052: my $selectedindex='this.form.'.$selectelement.'.selectedIndex';
1053: my $selectedvalue='this.form.'.$selectelement.
1054: '.options['.$selectedindex.'].value';
1055: my $typedinvalue='this.form.'.$typeinelement.'.value';
1056: my $selecttypeinindex='this.form.'.$selectelement.'.options.length';
1.71 www 1057: $description=&mt($description);
1.60 www 1058: #
1059: return (<<ENDSELECTORTYPE);
1.143 bisitz 1060: <span class="LC_edit_opt">
1.60 www 1061: $description
1062: <select name="$selectelement"
1.147 ! bisitz 1063: onchange="if ($selectedvalue!='TYPEDINVALUE') { $hiddenvalue=$selectedvalue; $typedinvalue=''; }" >
1.60 www 1064: $optionlist
1065: </select>
1066: <input type="text" size="$size" name="$typeinelement"
1067: value="$typeinvalue"
1.147 ! bisitz 1068: onchange="$hiddenvalue=$typedinvalue;"
! 1069: onfocus="$selectedindex=$selecttypeinindex-1;" />
1.98 albertel 1070: <input type="hidden" name="$element" value="$selected" $change_code />
1.119 raeburn 1071: </span>
1.60 www 1072: ENDSELECTORTYPE
1.19 albertel 1073: }
1.29 matthew 1074:
1.49 www 1075: #----------------------------------------------------- image coordinates
1076: # single image coordinates, x, y
1077: sub entercoords {
1.80 albertel 1078: my ($idx,$idy,$mode,$width,$height) = @_;
1.49 www 1079: unless ($Apache::edit::bgimgsrc) { return ''; }
1080: if ($idx) { $idx.='_'; }
1081: if ($idy) { $idy.='_'; }
1.102 www 1082: my $bgfile=&escape(&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$Apache::edit::bgimgsrc));
1.49 www 1083: my $form = 'lonhomework';
1084: my $element;
1085: if (! defined($mode) || $mode eq 'attribute') {
1.102 www 1086: $element = &escape("$Apache::lonxml::curdepth");
1.49 www 1087: } elsif ($mode eq 'textnode') { # for data between <tag> ... </tag>
1.102 www 1088: $element = &escape('homework_edit_'.
1.49 www 1089: $Apache::lonxml::curdepth);
1090: }
1.80 albertel 1091: my $id=$Apache::lonxml::curdepth;
1092: my %data=("imagechoice.$id.type" =>'point',
1093: "imagechoice.$id.formname" =>$form,
1094: "imagechoice.$id.formx" =>"$idx$element",
1095: "imagechoice.$id.formy" =>"$idy$element",
1096: "imagechoice.$id.file" =>$bgfile,
1097: "imagechoice.$id.formcoord" =>$element);
1.49 www 1098: if ($height) {
1.80 albertel 1099: $data{"imagechoice.$id.formheight"}=$height.'_'.
1100: $Apache::edit::bgimgsrccurdepth;
1.49 www 1101: }
1102: if ($width) {
1.80 albertel 1103: $data{"imagechoice.$id.formwidth"}=$width.'_'.
1104: $Apache::edit::bgimgsrccurdepth;
1.49 www 1105: }
1.114 raeburn 1106: &Apache::lonnet::appenv(\%data);
1.80 albertel 1107: my $text="Click Coordinates";
1108: my $result='<a href="/adm/imagechoice?token='.$id.'" target="imagechoice">'.$text.'</a>';
1.49 www 1109: return $result;
1110: }
1111:
1.77 albertel 1112: # coordinates (x1,y1)-(x2,y2)...
1113: # mode can be either box, or polygon
1114: sub entercoord {
1115: my ($idx,$mode,$width,$height,$type) = @_;
1.49 www 1116: unless ($Apache::edit::bgimgsrc) { return ''; }
1.102 www 1117: my $bgfile=&escape(&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$Apache::edit::bgimgsrc));
1.75 albertel 1118: my $form = 'lonhomework';
1119: my $element;
1120: if (! defined($mode) || $mode eq 'attribute') {
1.102 www 1121: $element = &escape("$idx\_$Apache::lonxml::curdepth");
1.75 albertel 1122: } elsif ($mode eq 'textnode') { # for data between <tag> ... </tag>
1.102 www 1123: $element = &escape('homework_edit_'.
1.75 albertel 1124: $Apache::lonxml::curdepth);
1125: }
1.76 albertel 1126: my $id=$Apache::lonxml::curdepth;
1.77 albertel 1127: my %data=("imagechoice.$id.type" =>$type,
1.76 albertel 1128: "imagechoice.$id.formname" =>$form,
1129: "imagechoice.$id.file" =>$bgfile,
1130: "imagechoice.$id.formcoord" =>$element);
1.75 albertel 1131: if ($height) {
1.76 albertel 1132: $data{"imagechoice.$id.formheight"}=$height.'_'.
1133: $Apache::edit::bgimgsrccurdepth;
1.75 albertel 1134: }
1135: if ($width) {
1.76 albertel 1136: $data{"imagechoice.$id.formwidth"}=$width.'_'.
1137: $Apache::edit::bgimgsrccurdepth;
1.75 albertel 1138: }
1.114 raeburn 1139: &Apache::lonnet::appenv(\%data);
1.77 albertel 1140: my $text="Enter Coordinates";
1141: if ($type eq 'polygon') { $text='Create Polygon Data'; }
1142: my $result='<a href="/adm/imagechoice?token='.$id.'" target="imagechoice">'.$text.'</a>';
1.49 www 1143: return $result;
1144: }
1.76 albertel 1145:
1146: sub deletecoorddata {
1.122 raeburn 1147: &Apache::lonnet::delenv('imagechoice.');
1.76 albertel 1148: }
1149:
1.29 matthew 1150: #----------------------------------------------------- browse
1151: sub browse {
1152: # insert a link to call up the filesystem browser (lonindexer)
1.107 banghart 1153: my ($id, $mode, $titleid, $only) = @_;
1.29 matthew 1154: my $form = 'lonhomework';
1.42 matthew 1155: my $element;
1156: if (! defined($mode) || $mode eq 'attribute') {
1.102 www 1157: $element = &escape("$id\_$Apache::lonxml::curdepth");
1.42 matthew 1158: } elsif ($mode eq 'textnode') { # for data between <tag> ... </tag>
1.102 www 1159: $element = &escape('homework_edit_'.
1.68 albertel 1160: $Apache::lonxml::curdepth);
1161: }
1162: my $titleelement;
1163: if ($titleid) {
1.107 banghart 1164: $titleelement=",'$only','','".&escape("$titleid\_$Apache::lonxml::curdepth")."'";
1.108 banghart 1165: } else {
1166: $titleelement=",'$only'";
1.42 matthew 1167: }
1.29 matthew 1168: my $result = <<"ENDBUTTON";
1.68 albertel 1169: <a href=\"javascript:openbrowser('$form','$element'$titleelement)\"\>Select</a>
1.29 matthew 1170: ENDBUTTON
1171: return $result;
1172: }
1173:
1.30 matthew 1174: #----------------------------------------------------- browse
1175: sub search {
1176: # insert a link to call up the filesystem browser (lonindexer)
1.68 albertel 1177: my ($id, $mode, $titleid) = @_;
1.30 matthew 1178: my $form = 'lonhomework';
1.49 www 1179: my $element;
1180: if (! defined($mode) || $mode eq 'attribute') {
1.102 www 1181: $element = &escape("$id\_$Apache::lonxml::curdepth");
1.49 www 1182: } elsif ($mode eq 'textnode') { # for data between <tag> ... </tag>
1.102 www 1183: $element = &escape('homework_edit_'.
1.49 www 1184: $Apache::lonxml::curdepth);
1185: }
1.68 albertel 1186: my $titleelement;
1187: if ($titleid) {
1.102 www 1188: $titleelement=",'".&escape("$titleid\_$Apache::lonxml::curdepth")."'";
1.68 albertel 1189: }
1.30 matthew 1190: my $result = <<"ENDBUTTON";
1.68 albertel 1191: <a href=\"javascript:opensearcher('$form','$element'$titleelement)\"\>Search</a>
1.30 matthew 1192: ENDBUTTON
1193: return $result;
1194: }
1195:
1196:
1.1 albertel 1197: 1;
1198: __END__
1.26 harris41 1199:
1200:
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