Annotation of loncom/homework/edit.pm, revision 1.153.2.1
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # edit mode helpers
1.25 albertel 3: #
1.153.2.1! raeburn 4: # $Id: edit.pm,v 1.153 2015/01/19 15:35:53 goltermann 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;
1.153.2.1! raeburn 137: use Apache::loncommon;
1.32 albertel 138: use HTML::Entities();
1.71 www 139: use Apache::lonlocal;
1.102 www 140: use lib '/home/httpd/lib/perl/';
141: use LONCAPA;
142:
1.1 albertel 143:
1.10 albertel 144: # Global Vars
145: # default list of colors to use in editing
146: @Apache::edit::colorlist=('#ffffff','#ff0000','#00ff00','#0000ff','#0ff000','#000ff0','#f0000f');
147: # depth of nesting of edit
148: $Apache::edit::colordepth=0;
1.38 www 149: @Apache::edit::inserttag=();
1.49 www 150: # image-type responses: active background image and curdepth at definition
151: $Apache::edit::bgimgsrc='';
152: $Apache::edit::bgimgsrccurdepth='';
1.10 albertel 153:
154: sub initialize_edit {
1.63 albertel 155: $Apache::edit::colordepth=0;
156: @Apache::edit::inserttag=();
1.10 albertel 157: }
158:
1.1 albertel 159: sub tag_start {
1.63 albertel 160: my ($target,$token,$description) = @_;
161: my $result='';
162: if ($target eq "edit") {
163: my $tag=$token->[1];
164: if (!$description) {
1.149 bisitz 165: $description=&mt(&Apache::lonxml::description($token));
1.63 albertel 166: if (!$description) { $description="<$tag>"; }
167: }
1.153 golterma 168: $result.= &start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button().
169: " $description</td><td>".&mt('Delete?')." ".&deletelist($target,$token).
170: "</td><td>".&insertlist($target,$token);
1.27 matthew 171: #<td>".
1.22 albertel 172: # &movebuttons($target,$token).
173: # "</tr><tr><td colspan=\"3\">\n";
1.66 matthew 174: my @help = Apache::lonxml::helpinfo($token);
1.63 albertel 175: if ($help[0]) {
1.148 golterma 176: $result .= '</td><td class="LC_edit_problem_latexhelper">'.
1.88 albertel 177: Apache::loncommon::help_open_topic(@help);
178: } else { $result .= "</td><td> "; }
1.63 albertel 179: $result .= &end_row().&start_spanning_row();
180: }
181: return $result;
1.1 albertel 182: }
183:
184: sub tag_end {
1.63 albertel 185: my ($target,$token,$description) = @_;
186: my $result='';
187: if ($target eq 'edit') {
188: $result.="</td></tr>".&end_table()."\n";
189: }
190: return $result;
1.4 albertel 191: }
1.1 albertel 192:
1.10 albertel 193: sub start_table {
1.63 albertel 194: my ($token)=@_;
1.104 albertel 195: my $tag = &Apache::lonxml::get_tag($token);
196:
197: my $color = $Apache::lonxml::insertlist{"$tag.color"};
198: &Apache::lonxml::debug(" $tag -- $color");
1.63 albertel 199: if (!defined($color)) {
200: $color = $Apache::edit::colorlist[$Apache::edit::colordepth];
201: }
202: $Apache::edit::colordepth++;
203: push(@Apache::edit::inserttag,$token->[1]);
1.148 golterma 204: my $result='<div>';
1.124 bisitz 205: $result.='<table bgcolor="'.$color.'" width="97%" border="0" cellspacing="3" cellpadding="2">';
1.63 albertel 206: return $result;
1.10 albertel 207: }
208:
209: sub end_table {
1.63 albertel 210: $Apache::edit::colordepth--;
211: my $result='</table></div>';
1.148 golterma 212: $result.='<div><table><tr><td>';
1.63 albertel 213:
214: my ($tagname,$closingtag);
215: if (defined($Apache::edit::inserttag[-2])) {
216: $tagname=$Apache::edit::inserttag[-2];
1.105 albertel 217: } else {
218: if ($Apache::lonhomework::parsing_a_task) {
219: $tagname='Task';
220: } else {
221: $tagname='problem';
222: }
223: }
1.63 albertel 224: if (defined($Apache::edit::inserttag[-1])) {
225: $closingtag=$Apache::edit::inserttag[-1];
226: }
227: $result.=&innerinsertlist('edit',$tagname,$closingtag).
1.94 albertel 228: "</td></tr></table></div>";
1.105 albertel 229: my $last = pop(@Apache::edit::inserttag);
1.63 albertel 230: return $result;
1.10 albertel 231: }
232:
1.153 golterma 233: sub start_spanning_row {
234: return '<tr name="foldblock_'.$Apache::lonxml::curdepth.
235: '" style="visibility: \'\'"><td colspan="5" bgcolor="#F0F0F0">';
236: }
1.41 www 237: sub start_row { return '<tr><td bgcolor="#DDDDDD">'; }
1.27 matthew 238: sub end_row { return '</td></tr>'; }
239:
1.22 albertel 240: sub movebuttons {
1.63 albertel 241: my ($target,$token) = @_;
242: my $result='<input type="submit" name="moveup.'.
243: $Apache::lonxml::curdepth.'" value="Move Up" />';
244: $result.='<input type="submit" name="movedown.'.
245: $Apache::lonxml::curdepth.'" value="Move Down" />';
246: return $result;
1.22 albertel 247: }
248:
1.8 albertel 249: sub deletelist {
1.63 albertel 250: my ($target,$token) = @_;
251: my $result = "<select name=\"delete_$Apache::lonxml::curdepth\">
1.14 albertel 252: <option></option>
1.116 bisitz 253: <option>".&mt('yes')."</option>
1.8 albertel 254: </select>";
1.63 albertel 255: return $result;
1.8 albertel 256: }
257:
1.14 albertel 258: sub handle_delete {
1.92 albertel 259: if (!$env{"form.delete_$Apache::lonxml::curdepth"}) { return ''; }
1.63 albertel 260: my ($space,$target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
261: my $result=0;
262: if ($space) {
263: my $sub1="$space\:\:delete_$token->[1]";
264: {
265: no strict 'refs';
266: if (defined &$sub1) {
267: $result=&$sub1($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
268: }
269: }
270: }
271: if (!$result) {
272: my $endtag='/'.$token->[1];
1.97 albertel 273: my $bodytext=&Apache::lonxml::get_all_text($endtag,$parser,$style);
1.63 albertel 274: $$parser['-1']->get_token();
275: &Apache::lonxml::debug("Deleting :$bodytext: for $token->[1]");
276: &Apache::lonxml::end_tag($tagstack,$parstack,$token);
277: }
278: return 1;
1.14 albertel 279: }
280:
1.7 albertel 281: sub get_insert_list {
1.63 albertel 282: my ($tagname) = @_;
283: my $result='';
1.104 albertel 284: my @tags= ();
1.63 albertel 285: #&Apache::lonxml::debug("keys ".join("\n",sort(keys(%Apache::lonxml::insertlist))));
286: if ($Apache::lonxml::insertlist{"$tagname.which"}) {
1.104 albertel 287: push (@tags, @{ $Apache::lonxml::insertlist{"$tagname.which"} });
1.63 albertel 288: }
289: foreach my $namespace (@Apache::lonxml::namespace) {
290: if ($Apache::lonxml::insertlist{"$namespace".'::'."$tagname.which"}) {
1.104 albertel 291: push (@tags, @{ $Apache::lonxml::insertlist{"$namespace".'::'."$tagname.which"} });
1.63 albertel 292: }
293: }
1.104 albertel 294: if (@tags) {
1.63 albertel 295: my %options;
1.104 albertel 296: foreach my $tag (@tags) {
297: my $descrip=$Apache::lonxml::insertlist{"$tag.description"};
298: my $tagnum =$Apache::lonxml::insertlist{"$tag.num"};
1.63 albertel 299: $options{$descrip} ="<option value=\"$tagnum\">".
1.151 bisitz 300: &mt($descrip)."</option>\n";
1.63 albertel 301: }
302: foreach my $option (sort(keys(%options))) {$result.=$options{$option};}
1.88 albertel 303: if ($result) { $result='<option selected="selected"></option>'.$result; }
1.63 albertel 304: }
305: return $result;
1.5 albertel 306: }
307:
1.4 albertel 308: sub insertlist {
1.63 albertel 309: my ($target,$token) = @_;
310: return &innerinsertlist($target,$token->[1]);
1.38 www 311: }
312:
313: sub innerinsertlist {
1.63 albertel 314: my ($target,$tagname,$closingtag) = @_;
315: my $result;
316: my $after='';
317: if ($closingtag) {
318: $after='_after_'.$closingtag;
319: }
320: if ($target eq 'edit') {
321: my $optionlist= &get_insert_list($tagname);
322: if ($optionlist) {
1.116 bisitz 323: $result = &mt('Insert:')."
1.63 albertel 324: <select name=\"insert$after\_$Apache::lonxml::curdepth\">
325: $optionlist
326: </select>"
327: } else {
328: $result=" ";
329: }
1.6 albertel 330: }
1.63 albertel 331: return $result;
1.6 albertel 332: }
333:
1.7 albertel 334: sub handle_insert {
1.92 albertel 335: if ($env{"form.insert_$Apache::lonxml::curdepth"} eq '') { return ''; }
336: my $tagnum = $env{"form.insert_$Apache::lonxml::curdepth"};
1.104 albertel 337: return &do_insert($tagnum);
1.38 www 338: }
339:
340: sub handle_insertafter {
1.63 albertel 341: my $tagname=shift;
1.104 albertel 342: if ($env{"form.insert_after_$tagname\_$Apache::lonxml::curdepth"} eq '') {
343: return '';
344: }
345: my $tagnum =$env{"form.insert_after_$tagname\_$Apache::lonxml::curdepth"};
1.105 albertel 346: return &do_insert($tagnum,1);
1.104 albertel 347: }
348:
349: sub do_insert {
1.105 albertel 350: my ($tagnum,$after) = @_;
1.63 albertel 351: my $result;
1.104 albertel 352:
353: my $newtag = $Apache::lonxml::insertlist{"$tagnum.tag"};
354: my $func = $Apache::lonxml::insertlist{"$newtag.function"};
1.63 albertel 355: if ($func eq 'default') {
356: my $namespace;
357: if ($newtag =~ /::/) { ($namespace,$newtag) = split(/::/,$newtag); }
1.105 albertel 358: my $depth = scalar(@Apache::lonxml::depthcounter);
359: $depth -- if ($after);
360: my $inset = "\t"x$depth;
1.126 www 361: $result.="\n$inset<$newtag></$newtag>";
1.38 www 362: } else {
1.63 albertel 363: if (defined(&$func)) {
364: {
365: no strict 'refs';
366: $result.=&$func();
367: }
368: } else {
1.104 albertel 369: &Apache::lonxml::error("Unable to insert tag $newtag, $func was not defined. ($tagnum)");
1.63 albertel 370: }
1.5 albertel 371: }
1.63 albertel 372: return $result;
1.69 albertel 373: }
374:
375: sub insert_img {
376: return '
377: <img />';
1.16 albertel 378: }
379:
380: sub insert_responseparam {
1.63 albertel 381: return '
1.16 albertel 382: <responseparam />';
1.5 albertel 383: }
384:
1.87 albertel 385: sub insert_parameter {
386: return '
387: <parameter />';
388: }
389:
1.24 albertel 390: sub insert_formularesponse {
1.63 albertel 391: return '
1.24 albertel 392: <formularesponse answer="" samples="">
1.86 albertel 393: <responseparam description="Numerical Tolerance" type="tolerance" default="0.00001" name="tol" />
394: <textline size="25"/>
1.24 albertel 395: <hintgroup>
1.78 www 396: <startouttext /><endouttext />
1.24 albertel 397: </hintgroup>
398: </formularesponse>';
399: }
400:
1.129 www 401: sub insert_functionplotresponse {
402: return '
403: <functionplotresponse>
1.133 www 404: <functionplotelements>
405: </functionplotelements>
406: <functionplotruleset>
407: </functionplotruleset>
1.129 www 408: </functionplotresponse>';
409: }
410:
1.131 www 411: sub insert_spline {
412: return '
413: <spline />';
414: }
415:
416: sub insert_backgroundplot {
417: return '
418: <backgroundplot />';
419: }
420:
1.136 www 421: sub insert_plotobject {
422: return '
423: <plotobject />';
424: }
425:
426: sub insert_plotvector {
427: return '
428: <plotvector />';
429: }
430:
1.141 www 431: sub insert_drawvectorsum {
432: return '
433: <drawvectorsum />';
434: }
435:
436:
1.132 www 437: sub insert_functionplotrule {
1.131 www 438: return '
1.132 www 439: <functionplotrule />';
1.131 www 440: }
441:
1.137 www 442: sub insert_functionplotvectorrule {
443: return '
444: <functionplotvectorrule />';
445: }
446:
447: sub insert_functionplotvectorsumrule {
448: return '
449: <functionplotvectorsumrule />';
450: }
451:
1.138 www 452: sub insert_functionplotcustomrule {
453: return '
454: <functionplotcustomrule>
455: <answer type="loncapa/perl">
456: # &fpr_val("label"), &fpr_f($x), &fpr_dfdx($x), &fpr_d2fdx2($x)
457: # ($xs,$xe,$ys,$ye)=&fpr_vectorcoords("Name"), ($x,$y)=&fpr_objectcoords("Name")
458: # &fpr_vectorlength("Name"), &fpr_vectorangle("Name")
459:
460: # Return 0 or 1
461: return 1;
462: </answer>
463: </functionplotcustomrule>';
464: }
465:
1.133 www 466: sub insert_functionplotruleset {
467: return '
468: <functionplotruleset>
469: <functionplotrule />
470: </functionplotruleset>';
471: }
1.131 www 472:
1.133 www 473: sub insert_functionplotelements {
474: return '
475: <functionplotelements>
476: <spline />
477: </functionplotelements>';
478: }
1.131 www 479:
1.15 albertel 480: sub insert_numericalresponse {
1.63 albertel 481: return '
1.15 albertel 482: <numericalresponse answer="">
1.90 www 483: <responseparam type="tolerance" default="5%" name="tol" description="Numerical Tolerance" />
484: <responseparam name="sig" type="int_range,0-16" default="0,15" description="Significant Figures" />
1.15 albertel 485: <textline />
486: <hintgroup>
1.78 www 487: <startouttext /><endouttext />
1.15 albertel 488: </hintgroup>
489: </numericalresponse>';
490: }
491:
1.145 kruse 492: sub insert_externalresponse {
493: return '
494: <externalresponse url="" answer="" answerdisplay="" form="">
495: <textfield spellcheck="none" />
496: </externalresponse>';
497: }
498:
1.96 albertel 499: sub insert_customresponse {
1.95 albertel 500: return '
1.96 albertel 501: <customresponse>
1.95 albertel 502: <answer type="loncapa/perl">
503: </answer>
504: <textline />
505: <hintgroup>
506: <startouttext /><endouttext />
507: </hintgroup>
1.96 albertel 508: </customresponse>';
1.95 albertel 509: }
510:
1.96 albertel 511: sub insert_customresponse_answer {
1.95 albertel 512: return '
513: <answer type="loncapa/perl">
514: </answer>
515: ';
516: }
517:
1.106 albertel 518: sub insert_customhint {
519: return '
520: <customhint>
521: <answer type="loncapa/perl">
522: </answer>
523: </customhint>';
524: }
525:
526: sub insert_customhint_answer {
527: return '
528: <answer type="loncapa/perl">
529: </answer>
530: ';
531: }
532:
533: sub insert_mathresponse {
534: return '
535: <mathresponse>
536: <answer>
537: </answer>
538: <textline />
539: <hintgroup>
540: <startouttext />
541: <endouttext />
542: </hintgroup>
543: </mathresponse>';
544: }
545:
546: sub insert_mathresponse_answer {
547: return '
548: <answer>
549: </answer>
550: ';
551: }
552:
553: sub insert_mathhint {
554: return '
555: <mathhint>
556: <answer>
557: </answer>
558: </mathhint>';
559: }
560:
561: sub insert_mathhint_answer {
562: return '
563: <answer>
564: </answer>
565: ';
566: }
567:
1.18 albertel 568: sub insert_stringresponse {
1.63 albertel 569: return '
1.18 albertel 570: <stringresponse answer="" type="">
571: <textline />
572: <hintgroup>
1.78 www 573: <startouttext /><endouttext />
1.18 albertel 574: </hintgroup>
575: </stringresponse>';
1.36 albertel 576: }
577:
578: sub insert_essayresponse {
1.63 albertel 579: return '
1.36 albertel 580: <essayresponse>
581: <textfield></textfield>
582: </essayresponse>';
1.54 albertel 583: }
584:
585: sub insert_imageresponse {
1.63 albertel 586: return '
1.54 albertel 587: <imageresponse max="1">
588: <foilgroup>
1.89 albertel 589: <foil>
590: </foil>
1.54 albertel 591: </foilgroup>
592: <hintgroup>
1.78 www 593: <startouttext /><endouttext />
1.54 albertel 594: </hintgroup>
595: </imageresponse>';
1.18 albertel 596: }
597:
1.7 albertel 598: sub insert_optionresponse {
1.63 albertel 599: return '
1.7 albertel 600: <optionresponse max="10">
601: <foilgroup options="">
1.89 albertel 602: <foil>
603: <startouttext /><endouttext />
604: </foil>
1.7 albertel 605: </foilgroup>
1.14 albertel 606: <hintgroup>
1.78 www 607: <startouttext /><endouttext />
1.14 albertel 608: </hintgroup>
1.7 albertel 609: </optionresponse>';
1.1 albertel 610: }
611:
1.72 albertel 612: sub insert_organicresponse {
613: return '
614: <organicresponse>
615: <textline />
616: <hintgroup>
1.78 www 617: <startouttext /><endouttext />
1.72 albertel 618: </hintgroup>
619: </organicresponse>';
620: }
621:
622: sub insert_organicstructure {
623: return '
624: <organicstructure />
625: ';
626: }
627:
1.23 albertel 628: sub insert_radiobuttonresponse {
1.63 albertel 629: return '
1.23 albertel 630: <radiobuttonresponse max="10">
631: <foilgroup>
1.89 albertel 632: <foil>
633: <startouttext /><endouttext />
634: </foil>
1.23 albertel 635: </foilgroup>
636: <hintgroup>
1.78 www 637: <startouttext /><endouttext />
1.23 albertel 638: </hintgroup>
639: </radiobuttonresponse>';
1.72 albertel 640: }
641:
642: sub insert_reactionresponse {
643: return '
644: <reactionresponse>
645: <textline />
646: <hintgroup>
1.78 www 647: <startouttext /><endouttext />
1.72 albertel 648: </hintgroup>
649: </reactionresponse>';
1.43 albertel 650: }
651:
652: sub insert_rankresponse {
1.63 albertel 653: return '
1.43 albertel 654: <rankresponse max="10">
655: <foilgroup options="">
1.89 albertel 656: <foil>
657: <startouttext /><endouttext />
658: </foil>
1.43 albertel 659: </foilgroup>
660: <hintgroup>
1.78 www 661: <startouttext /><endouttext />
1.43 albertel 662: </hintgroup>
663: </rankresponse>';
1.23 albertel 664: }
665:
1.44 albertel 666: sub insert_matchresponse {
1.63 albertel 667: return '
1.44 albertel 668: <matchresponse max="10">
669: <foilgroup options="">
670: <itemgroup>
1.146 bisitz 671: <item>
672: <startouttext /><endouttext />
673: </item>
1.44 albertel 674: </itemgroup>
1.89 albertel 675: <foil>
676: <startouttext /><endouttext />
677: </foil>
1.44 albertel 678: </foilgroup>
679: <hintgroup>
1.78 www 680: <startouttext /><endouttext />
1.44 albertel 681: </hintgroup>
682: </matchresponse>';
683: }
684:
1.127 www 685: sub insert_startpartmarker { return '<startpartmarker />'; }
686: sub insert_endpartmarker { return '<endpartmarker />'; }
687:
1.21 albertel 688: sub insert_displayduedate { return '<displayduedate />'; }
689: sub insert_displaytitle { return '<displaytitle />'; }
1.22 albertel 690: sub insert_hintpart {
1.63 albertel 691: return '
1.22 albertel 692: <hintpart on="default">
1.90 www 693: <startouttext/><endouttext />
1.22 albertel 694: </hintpart>';
1.67 albertel 695: }
696:
697: sub insert_hintgroup {
698: return '
699: <hintgroup>
1.78 www 700: <startouttext /><endouttext />
1.67 albertel 701: </hintgroup>';
1.22 albertel 702: }
703:
704: sub insert_numericalhint {
1.63 albertel 705: return '
1.22 albertel 706: <numericalhint>
707: </numericalhint>';
1.46 albertel 708: }
709:
1.123 www 710: sub insert_reactionhint {
711: return '
712: <reactionhint>
713: </reactionhint>';
714: }
715:
716: sub insert_organichint {
717: return '
718: <organichint>
719: </organichint>';
720: }
721:
1.46 albertel 722: sub insert_stringhint {
1.63 albertel 723: return '
1.46 albertel 724: <stringhint>
725: </stringhint>';
726: }
727:
728: sub insert_formulahint {
1.63 albertel 729: return '
1.46 albertel 730: <formulahint>
731: </formulahint>';
1.37 albertel 732: }
733:
734: sub insert_radiobuttonhint {
1.63 albertel 735: return '
1.37 albertel 736: <radiobuttonhint>
737: </radiobuttonhint>';
1.50 albertel 738: }
739:
740: sub insert_optionhint {
1.63 albertel 741: return '
1.50 albertel 742: <optionhint>
743: </optionhint>';
1.22 albertel 744: }
1.21 albertel 745:
1.23 albertel 746: sub insert_startouttext {
1.78 www 747: return "<startouttext /><endouttext />";
1.23 albertel 748: }
749:
750: sub insert_script {
1.78 www 751: return "\n<script type=\"loncapa/perl\"></script>";
1.23 albertel 752: }
753:
1.98 albertel 754: sub js_change_detection {
755: my $unsaved=&mt("There are unsaved changes");
756: return (<<SCRIPT);
757: <script type="text/javascript">
1.142 raeburn 758: // <![CDATA[
1.98 albertel 759: var clean = true;
760: var is_submit = false;
1.99 albertel 761: var still_ask = false;
1.98 albertel 762: function compareForm(event_) {
763: if (!event_ && window.event) {
764: event_ = window.event;
765: }
1.99 albertel 766: if ((!is_submit || (is_submit && still_ask)) && !clean) {
767: still_ask = false;
768: is_submit = false;
1.98 albertel 769: event_.returnValue = "$unsaved";
770: return "$unsaved";
771: }
772: }
773: function unClean() {
774: clean=false;
775: }
776: window.onbeforeunload = compareForm;
1.142 raeburn 777: // ]]>
1.98 albertel 778: </script>
779: SCRIPT
780: }
781:
782: sub form_change_detection {
783: return ' onsubmit="is_submit=true;" ';
784: }
785:
786: sub element_change_detection {
787: return ' onchange="unClean();" ';
788: }
789:
1.99 albertel 790: sub submit_ask_anyway {
1.113 raeburn 791: my ($extra_action) = @_;
1.153.2.1! raeburn 792: my $resource = &Apache::loncommon::escape_single($env{'request.ambiguous'});
1.153 golterma 793: return ' onclick="saveScrollPosition(\''.$resource.'\');still_ask=true;'.$extra_action.';" ';
1.99 albertel 794: }
795:
1.134 www 796: sub submit_dont_ask {
797: my ($extra_action) = @_;
1.153.2.1! raeburn 798: my $resource = &Apache::loncommon::escape_single($env{'request.ambiguous'});
1.153 golterma 799: return ' onclick="saveScrollPosition(\''.$resource.'\');is_submit=true;'.$extra_action.';" ';
1.134 www 800: }
801:
1.152 raeburn 802: sub js_update_linknum {
803: return (<<SCRIPT);
804: <script type="text/javascript">
805: // <![CDATA[
806: function updateNumber(name,index,caller,textprompt) {
807: var pickitem = document.getElementById(name+'_'+index);
808: var picknumtext = document.getElementById(name+'_numtext_'+index);
809: if (pickitem.checked) {
810: var showval = '';
811: if (pickitem.value != 'nochoice') {
812: showval = pickitem.value;
813: }
814: var picknum=prompt(textprompt,showval);
815: if (picknum == '' || picknum == null) {
816: if (caller == 'check') {
817: pickitem.checked=false;
818: pickitem.value='nochoice';
819: }
820: } else {
821: picknum.toString();
822: var regexdigit=/^\\d+\$/;
823: if (regexdigit.test(picknum)) {
824: pickitem.value = picknum;
825: picknumtext.innerHTML = ' <a href="javascript:updateNumber(\\''+name+'\\',\\''+index+'\\',\\'link\\',\\''+textprompt+'\\');">'+picknum+'</a>';
826: } else {
827: if (caller == 'check') {
828: pickitem.checked=false;
829: pickitem.value='nochoice';
830: }
831: return;
832: }
833: }
834: } else {
835: pickitem.value = '';
836: picknumtext.innerHTML = '';
837: }
838: }
839:
840: // ]]>
841: </script>
842: SCRIPT
843:
844: }
1.134 www 845:
1.25 albertel 846: sub textarea_sizes {
1.63 albertel 847: my ($data)=@_;
848: my $count=0;
849: my $maxlength=-1;
850: foreach (split ("\n", $$data)) {
851: $count+=int(length($_)/79);
852: $count++;
853: if (length($_) > $maxlength) { $maxlength = length($_); }
854: }
855: my $rows = $count;
856: my $cols = $maxlength;
857: return ($rows,$cols);
1.25 albertel 858: }
859:
1.32 albertel 860: sub editline {
1.31 matthew 861: my ($tag,$data,$description,$size)=@_;
1.81 albertel 862: $data=&HTML::Entities::encode($data,'<>&"');
1.112 albertel 863: if ($description) { $description=$description."<br />"; }
1.98 albertel 864: my $change_code = &element_change_detection();
1.31 matthew 865: my $result = <<"END";
866: $description
867: <input type="text" name="homework_edit_$Apache::lonxml::curdepth"
1.98 albertel 868: value="$data" size="$size" $change_code />
1.31 matthew 869: END
870: return $result;
871: }
872:
1.2 albertel 873: sub editfield {
1.82 www 874: my ($tag,$data,$description,$minwidth,$minheight,$usehtmlarea)=@_;
1.22 albertel 875:
1.63 albertel 876: my ($rows,$cols)=&textarea_sizes(\$data);
1.128 raeburn 877: my $textareaclass;
878:
879: if (&Apache::lonhtmlcommon::htmlareabrowser() && $usehtmlarea) {
1.84 www 880: $rows+=7; # make room for HTMLarea
881: $minheight+=7; # make room for HTMLarea
1.128 raeburn 882: $textareaclass = ' class="LC_richDefaultOff"';
1.84 www 883: }
1.63 albertel 884: if ($cols > 80) { $cols = 80; }
885: if ($cols < $minwidth ) { $cols = $minwidth; }
886: if ($rows < $minheight) { $rows = $minheight; }
1.144 bisitz 887: if ($description) { $description='<br />'.&mt($description).'<br />'; }
1.128 raeburn 888:
1.105 albertel 889: # remove typesetting whitespace from between data and the end tag
890: # to make the edit look prettier
891: $data =~ s/\n?[ \t]*$//;
892:
1.135 bisitz 893: return $description."\n".'<textarea style="width:99%" rows="'.$rows.
1.63 albertel 894: '" cols="'.$cols.'" name="homework_edit_'.
1.82 www 895: $Apache::lonxml::curdepth.'" id="homework_edit_'.
1.128 raeburn 896: $Apache::lonxml::curdepth.'" '.&element_change_detection().
897: $textareaclass.'>'.
1.85 www 898: &HTML::Entities::encode($data,'<>&"').'</textarea>'.
1.144 bisitz 899: ($usehtmlarea?'<br />'.&Apache::lonhtmlcommon::spelllink('lonhomework',
900: 'homework_edit_'.$Apache::lonxml::curdepth):'')."\n";
1.2 albertel 901: }
902:
903: sub modifiedfield {
1.70 albertel 904: my ($endtag,$parser) = @_;
1.63 albertel 905: my $result;
1.92 albertel 906: $result=$env{"form.homework_edit_$Apache::lonxml::curdepth"};
1.70 albertel 907: my $bodytext=&Apache::lonxml::get_all_text($endtag,$parser);
908: # textareas throw away intial \n
1.105 albertel 909: if ($bodytext=~/^\n/) {
910: $result="\n".$result;
911: }
912: # if there is typesetting whitespace from between the data and the end tag
913: # restore to keep the source looking pretty
914: if ($bodytext =~ /(\n?[ \t]*)$/) {
915: $result .= $1;
916: }
1.63 albertel 917: return $result;
1.2 albertel 918: }
919:
1.15 albertel 920: # Returns a 1 if the token has been modified and you should rebuild the tag
1.12 albertel 921: # side-effects, will modify the $token if new values are found
922: sub get_new_args {
1.61 albertel 923: my ($token,$parstack,$safeeval,@args)=@_;
924: my $rebuild=0;
925: foreach my $arg (@args) {
1.63 albertel 926: #just want the string that it was set to
927: my $value=$token->[2]->{$arg};
928: my $element=&html_element_name($arg);
1.92 albertel 929: my $newvalue=$env{"form.$element"};
1.63 albertel 930: &Apache::lonxml::debug("for:$arg: cur is :$value: new is :$newvalue:");
931: if (defined($newvalue) && $value ne $newvalue) {
932: if (ref($newvalue) eq 'ARRAY') {
933: $token->[2]->{$arg}=join(',',@$newvalue);
934: } else {
935: $token->[2]->{$arg}=$newvalue;
936: }
1.79 albertel 937: $rebuild=1;
1.111 albertel 938: # add new attributes to the of the attribute seq
939: if (!grep { $arg eq $_ } (@{ $token->[3] })) {
940: push(@{ $token->[3] },$arg);
941: }
1.79 albertel 942: } elsif (!defined($newvalue) && defined($value)) {
943: delete($token->[2]->{$arg});
1.63 albertel 944: $rebuild=1;
1.61 albertel 945: }
1.12 albertel 946: }
1.63 albertel 947: return $rebuild;
1.12 albertel 948: }
949:
1.15 albertel 950: # looks for /> on start tags
1.12 albertel 951: sub rebuild_tag {
1.63 albertel 952: my ($token) = @_;
953: my $result;
954: if ($token->[0] eq 'S') {
955: $result = '<'.$token->[1];
1.109 albertel 956: foreach my $attribute (@{ $token->[3] }) {
957: my $value = $token->[2]{$attribute};
1.111 albertel 958: next if ($value eq '');
1.109 albertel 959: $value =~s/^\s+|\s+$//g;
960: $value =~s/\"//g;
961: &Apache::lonxml::debug("setting :$attribute: to :$value:");
962: $result.=' '.$attribute.'="'.$value.'"';
1.63 albertel 963: }
964: if ($token->[4] =~ m:/>$:) {
965: $result.=' />';
966: } else {
967: $result.='>';
968: }
969: } elsif ( $token->[0] eq 'E' ) {
970: $result = '</'.$token->[1].'>';
1.12 albertel 971: }
1.63 albertel 972: return $result;
1.12 albertel 973: }
1.13 albertel 974:
1.47 matthew 975: sub html_element_name {
976: my ($name) = @_;
1.48 albertel 977: return $name.'_'.$Apache::lonxml::curdepth;
978: }
979:
980: sub hidden_arg {
981: my ($name,$token) = @_;
982: my $result;
983: my $arg=$token->[2]{$name};
984: $result='<input name="'.&html_element_name($name).
985: '" type="hidden" value="'.$arg.'" />';
1.61 albertel 986: return $result;
987: }
988:
989: sub checked_arg {
1.152 raeburn 990: my ($description,$name,$list,$token,$onclick,$useid) = @_;
1.61 albertel 991: my $result;
992: my $optionlist="";
993: my $allselected=$token->[2]{$name};
1.71 www 994: $result=&mt($description);
1.61 albertel 995: foreach my $option (@$list) {
996: my ($value,$text);
997: if ( ref($option) eq 'ARRAY') {
998: $value='value="'.$$option[0].'"';
1.150 bisitz 999: $text=&mt($$option[1]);
1.61 albertel 1000: $option=$$option[0];
1001: } else {
1.150 bisitz 1002: $text=&mt($option);
1.61 albertel 1003: $value='value="'.$option.'"';
1004: }
1.143 bisitz 1005: $result.=' <span class="LC_edit_opt"><label><input type="checkbox" '.$value.' name="'.
1.119 raeburn 1006: &html_element_name($name).'"';
1.61 albertel 1007: foreach my $selected (split(/,/,$allselected)) {
1008: if ( $selected eq $option ) {
1.119 raeburn 1009: $result.=' checked="checked" ';
1.61 albertel 1010: last;
1011: }
1012: }
1.152 raeburn 1013: if ($useid) {
1014: $result .= ' id="'.&html_element_name($name).'" ';
1015: }
1016: $result.=&element_change_detection().$onclick.' />'.$text.'</label></span>'."\n";
1.61 albertel 1017: }
1.48 albertel 1018: return $result;
1.47 matthew 1019: }
1020:
1.13 albertel 1021: sub text_arg {
1.140 foxr 1022: my ($description,$name,$token,$size, $class) = @_;
1.63 albertel 1023: my $result;
1024: if (!defined $size) { $size=20; }
1025: my $arg=$token->[2]{$name};
1.71 www 1026: $result=&mt($description).' <input name="'.&html_element_name($name).
1.140 foxr 1027: '" type="text" value="'.$arg.'" size="'.$size.'" ';
1028: if (defined $class) {
1029: $result .= 'class="' . $class . '" ';
1030: }
1031: $result .= &element_change_detection().'/>';
1.143 bisitz 1032: return ' <span class="LC_edit_opt">'.$result.'</span>';
1.13 albertel 1033: }
1034:
1035: sub select_arg {
1.39 albertel 1036: my ($description,$name,$list,$token) = @_;
1037: my $result;
1038: my $optionlist="";
1039: my $selected=$token->[2]{$name};
1.121 raeburn 1040: if (ref($list) eq 'ARRAY') {
1041: foreach my $option (@{$list}) {
1042: my ($text,$value);
1043: if (ref($option) eq 'ARRAY') {
1044: $value='value="'.&HTML::Entities::encode($option->[0]).'"';
1045: $text=$option->[1];
1046: $option=$option->[0];
1047: } else {
1048: $text=$option;
1049: $value='value="'.&HTML::Entities::encode($option,'\'"&<>').'"';
1050: }
1051: if ( $selected eq $option ) {
1052: $optionlist.="<option $value selected=\"selected\">".&mt($text)."</option>\n";
1053: } else {
1054: $optionlist.="<option $value >".&mt($text)."</option>\n";
1055: }
1056: }
1.13 albertel 1057: }
1.143 bisitz 1058: $result.=' <span class="LC_edit_opt">'.&mt($description).' <select name="'.
1.98 albertel 1059: &html_element_name($name).'" '.&element_change_detection().' >
1.13 albertel 1060: '.$optionlist.'
1.119 raeburn 1061: </select></span>';
1.39 albertel 1062: return $result;
1.13 albertel 1063: }
1064:
1.19 albertel 1065: sub select_or_text_arg {
1.39 albertel 1066: my ($description,$name,$list,$token,$size) = @_;
1067: my $result;
1068: my $optionlist="";
1069: my $found=0;
1070: my $selected=$token->[2]{$name};
1.121 raeburn 1071: if (ref($list) eq 'ARRAY') {
1072: foreach my $option (@{$list}) {
1073: my ($text,$value);
1074: if (ref($option) eq 'ARRAY') {
1075: $value='value="'.&HTML::Entities::encode($option->[0]).'"';
1076: $text=$option->[1];
1077: $option=$option->[0];
1078: } else {
1079: $text=$option;
1080: $value='value="'.&HTML::Entities::encode($option,'\'"&<>').'"';
1081: }
1082: if ( $selected eq $option ) {
1083: $optionlist.="<option $value selected=\"selected\">$text</option>\n";
1084: $found=1;
1085: } else {
1086: $optionlist.="<option $value>$text</option>\n";
1087: }
1088: }
1.39 albertel 1089: }
1.60 www 1090: $optionlist.="<option value=\"TYPEDINVALUE\"".
1.88 albertel 1091: ((!$found)?' selected="selected"':'').
1.73 www 1092: ">".&mt('Type-in value')."</option>\n";
1.60 www 1093: #
1.98 albertel 1094: my $change_code=&element_change_detection();
1.60 www 1095: my $element=&html_element_name($name);
1096: my $selectelement='select_list_'.$element;
1097: my $typeinelement='type_in_'.$element;
1098: my $typeinvalue=($found?'':$selected);
1099: #
1100: my $hiddenvalue='this.form.'.$element.'.value';
1101: my $selectedindex='this.form.'.$selectelement.'.selectedIndex';
1102: my $selectedvalue='this.form.'.$selectelement.
1103: '.options['.$selectedindex.'].value';
1104: my $typedinvalue='this.form.'.$typeinelement.'.value';
1105: my $selecttypeinindex='this.form.'.$selectelement.'.options.length';
1.71 www 1106: $description=&mt($description);
1.60 www 1107: #
1108: return (<<ENDSELECTORTYPE);
1.143 bisitz 1109: <span class="LC_edit_opt">
1.60 www 1110: $description
1111: <select name="$selectelement"
1.147 bisitz 1112: onchange="if ($selectedvalue!='TYPEDINVALUE') { $hiddenvalue=$selectedvalue; $typedinvalue=''; }" >
1.60 www 1113: $optionlist
1114: </select>
1115: <input type="text" size="$size" name="$typeinelement"
1116: value="$typeinvalue"
1.147 bisitz 1117: onchange="$hiddenvalue=$typedinvalue;"
1118: onfocus="$selectedindex=$selecttypeinindex-1;" />
1.98 albertel 1119: <input type="hidden" name="$element" value="$selected" $change_code />
1.119 raeburn 1120: </span>
1.60 www 1121: ENDSELECTORTYPE
1.19 albertel 1122: }
1.29 matthew 1123:
1.49 www 1124: #----------------------------------------------------- image coordinates
1125: # single image coordinates, x, y
1126: sub entercoords {
1.80 albertel 1127: my ($idx,$idy,$mode,$width,$height) = @_;
1.49 www 1128: unless ($Apache::edit::bgimgsrc) { return ''; }
1129: if ($idx) { $idx.='_'; }
1130: if ($idy) { $idy.='_'; }
1.102 www 1131: my $bgfile=&escape(&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$Apache::edit::bgimgsrc));
1.49 www 1132: my $form = 'lonhomework';
1133: my $element;
1134: if (! defined($mode) || $mode eq 'attribute') {
1.102 www 1135: $element = &escape("$Apache::lonxml::curdepth");
1.49 www 1136: } elsif ($mode eq 'textnode') { # for data between <tag> ... </tag>
1.102 www 1137: $element = &escape('homework_edit_'.
1.49 www 1138: $Apache::lonxml::curdepth);
1139: }
1.80 albertel 1140: my $id=$Apache::lonxml::curdepth;
1141: my %data=("imagechoice.$id.type" =>'point',
1142: "imagechoice.$id.formname" =>$form,
1143: "imagechoice.$id.formx" =>"$idx$element",
1144: "imagechoice.$id.formy" =>"$idy$element",
1145: "imagechoice.$id.file" =>$bgfile,
1146: "imagechoice.$id.formcoord" =>$element);
1.49 www 1147: if ($height) {
1.80 albertel 1148: $data{"imagechoice.$id.formheight"}=$height.'_'.
1149: $Apache::edit::bgimgsrccurdepth;
1.49 www 1150: }
1151: if ($width) {
1.80 albertel 1152: $data{"imagechoice.$id.formwidth"}=$width.'_'.
1153: $Apache::edit::bgimgsrccurdepth;
1.49 www 1154: }
1.114 raeburn 1155: &Apache::lonnet::appenv(\%data);
1.80 albertel 1156: my $text="Click Coordinates";
1157: my $result='<a href="/adm/imagechoice?token='.$id.'" target="imagechoice">'.$text.'</a>';
1.49 www 1158: return $result;
1159: }
1160:
1.77 albertel 1161: # coordinates (x1,y1)-(x2,y2)...
1162: # mode can be either box, or polygon
1163: sub entercoord {
1164: my ($idx,$mode,$width,$height,$type) = @_;
1.49 www 1165: unless ($Apache::edit::bgimgsrc) { return ''; }
1.102 www 1166: my $bgfile=&escape(&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$Apache::edit::bgimgsrc));
1.75 albertel 1167: my $form = 'lonhomework';
1168: my $element;
1169: if (! defined($mode) || $mode eq 'attribute') {
1.102 www 1170: $element = &escape("$idx\_$Apache::lonxml::curdepth");
1.75 albertel 1171: } elsif ($mode eq 'textnode') { # for data between <tag> ... </tag>
1.102 www 1172: $element = &escape('homework_edit_'.
1.75 albertel 1173: $Apache::lonxml::curdepth);
1174: }
1.76 albertel 1175: my $id=$Apache::lonxml::curdepth;
1.77 albertel 1176: my %data=("imagechoice.$id.type" =>$type,
1.76 albertel 1177: "imagechoice.$id.formname" =>$form,
1178: "imagechoice.$id.file" =>$bgfile,
1179: "imagechoice.$id.formcoord" =>$element);
1.75 albertel 1180: if ($height) {
1.76 albertel 1181: $data{"imagechoice.$id.formheight"}=$height.'_'.
1182: $Apache::edit::bgimgsrccurdepth;
1.75 albertel 1183: }
1184: if ($width) {
1.76 albertel 1185: $data{"imagechoice.$id.formwidth"}=$width.'_'.
1186: $Apache::edit::bgimgsrccurdepth;
1.75 albertel 1187: }
1.114 raeburn 1188: &Apache::lonnet::appenv(\%data);
1.77 albertel 1189: my $text="Enter Coordinates";
1190: if ($type eq 'polygon') { $text='Create Polygon Data'; }
1191: my $result='<a href="/adm/imagechoice?token='.$id.'" target="imagechoice">'.$text.'</a>';
1.49 www 1192: return $result;
1193: }
1.76 albertel 1194:
1195: sub deletecoorddata {
1.122 raeburn 1196: &Apache::lonnet::delenv('imagechoice.');
1.76 albertel 1197: }
1198:
1.29 matthew 1199: #----------------------------------------------------- browse
1200: sub browse {
1201: # insert a link to call up the filesystem browser (lonindexer)
1.107 banghart 1202: my ($id, $mode, $titleid, $only) = @_;
1.29 matthew 1203: my $form = 'lonhomework';
1.42 matthew 1204: my $element;
1205: if (! defined($mode) || $mode eq 'attribute') {
1.102 www 1206: $element = &escape("$id\_$Apache::lonxml::curdepth");
1.42 matthew 1207: } elsif ($mode eq 'textnode') { # for data between <tag> ... </tag>
1.102 www 1208: $element = &escape('homework_edit_'.
1.68 albertel 1209: $Apache::lonxml::curdepth);
1210: }
1211: my $titleelement;
1212: if ($titleid) {
1.107 banghart 1213: $titleelement=",'$only','','".&escape("$titleid\_$Apache::lonxml::curdepth")."'";
1.108 banghart 1214: } else {
1215: $titleelement=",'$only'";
1.42 matthew 1216: }
1.29 matthew 1217: my $result = <<"ENDBUTTON";
1.68 albertel 1218: <a href=\"javascript:openbrowser('$form','$element'$titleelement)\"\>Select</a>
1.29 matthew 1219: ENDBUTTON
1220: return $result;
1221: }
1222:
1.30 matthew 1223: #----------------------------------------------------- browse
1224: sub search {
1225: # insert a link to call up the filesystem browser (lonindexer)
1.68 albertel 1226: my ($id, $mode, $titleid) = @_;
1.30 matthew 1227: my $form = 'lonhomework';
1.49 www 1228: my $element;
1229: if (! defined($mode) || $mode eq 'attribute') {
1.102 www 1230: $element = &escape("$id\_$Apache::lonxml::curdepth");
1.49 www 1231: } elsif ($mode eq 'textnode') { # for data between <tag> ... </tag>
1.102 www 1232: $element = &escape('homework_edit_'.
1.49 www 1233: $Apache::lonxml::curdepth);
1234: }
1.68 albertel 1235: my $titleelement;
1236: if ($titleid) {
1.102 www 1237: $titleelement=",'".&escape("$titleid\_$Apache::lonxml::curdepth")."'";
1.68 albertel 1238: }
1.30 matthew 1239: my $result = <<"ENDBUTTON";
1.68 albertel 1240: <a href=\"javascript:opensearcher('$form','$element'$titleelement)\"\>Search</a>
1.30 matthew 1241: ENDBUTTON
1242: return $result;
1243: }
1244:
1245:
1.1 albertel 1246: 1;
1247: __END__
1.26 harris41 1248:
1249:
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