1: # The LearningOnline Network
2: # Documents
3: #
4: # $Id: lonextresedit.pm,v 1.19 2017/05/10 13:49:14 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29: package Apache::lonextresedit;
30:
31: use strict;
32: use Apache::Constants qw(:common :http);
33: use HTML::Entities;
34: use Apache::lonlocal;
35: use Apache::lonnet;
36: use Apache::loncommon;
37: use Apache::lonhtmlcommon;
38: use Apache::lonuserstate;
39: use LONCAPA::map();
40: use LONCAPA qw(:DEFAULT :match);
41:
42: sub handler {
43: my $r=shift;
44: &Apache::loncommon::content_type($r,'text/html');
45: $r->send_http_header;
46:
47: return OK if $r->header_only;
48:
49: # Check for access
50: if (! &Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
51: $env{'user.error.msg'}=
52: $r->uri.":mdc:0:0:Cannot modify course content.";
53: return HTTP_NOT_ACCEPTABLE;
54: }
55:
56: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
57: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
58: my $chome = $env{'course.'.$env{'request.course.id'}.'.home'};
59: my ($supplementalflag,$updated,$output,$errormsg,$residx,$url,$title,
60: $symb,$type);
61: if (($env{'form.folderpath'} =~ /^supplemental/) && ($env{'form.suppurl'})) {
62: $supplementalflag = 1;
63: if (&unescape($env{'form.suppurl'}) =~ m{^/adm/$cdom/$cnum/\d+/ext\.tool$}) {
64: $type = 'tool';
65: }
66: }
67: if (($supplementalflag) || ($env{'form.symb'} =~ /^uploaded/)) {
68: ($updated,$output,$errormsg,$residx,$url,$title,$symb) =
69: &process_changes($supplementalflag,$cdom,$cnum,$chome);
70: if ($supplementalflag) {
71: if ($url ne &unescape($env{'form.suppurl'})) {
72: $env{'form.suppurl'} = $url;
73: }
74: if ($title ne $env{'form.title'}) {
75: $env{'form.title'} = $title;
76: }
77: $env{'form.idx'} = $residx;
78: } else {
79: if ($symb ne $env{'form.symb'}) {
80: $env{'form.symb'} = $symb;
81: }
82: if ($url =~ m{/adm/$cdom/$cnum/\d+/ext\.tool$}) {
83: $type = 'tool';
84: }
85: }
86: } else {
87: $errormsg = &mt('Information about external resource to edit is missing.');
88: }
89: if ($updated) {
90: my $msg = &mt('External Resource updated');
91: if ($type eq 'tool') {
92: $msg = &mt('External Tool updated');
93: }
94: $output = &Apache::lonhtmlcommon::confirm_success($msg);
95: }
96: if ($errormsg) {
97: $errormsg = '<p class="LC_error">'.$errormsg.'</p>';
98: }
99: my %ltitools;
100: if ($type eq 'tool') {
101: %ltitools = &Apache::lonnet::get_domain_ltitools($cdom);
102: }
103: my $js = &Apache::lonhtmlcommon::scripttag(&extedit_javascript());
104: my $pathitem = '<input type="hidden" name="folderpath" value="'.
105: &HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />';
106: my $description = 'External Resource Editor';
107: if ($type eq 'tool') {
108: $description = 'External Tool Editor';
109: }
110: $r->print(&Apache::loncommon::start_page($description,$js).
111: '<div class="LC_left_float">'.
112: $output.
113: $errormsg.
114: &extedit_form($supplementalflag,$residx,$url,$title,$pathitem,undef,
115: 'direct',$env{'form.symb'},$type,$cdom,$cnum,\%ltitools).
116: '</div>'.&Apache::loncommon::end_page());
117: return OK;
118: }
119:
120: sub process_changes {
121: my ($supplementalflag,$cdom,$cnum,$chome) = @_;
122: my ($folder,$container,$output,$errormsg,$updated,$symb,$oldidx,$oldurl,$type,
123: $oldtitle,$newidx,$newurl,$newtitle,$residx,$url,$title,$marker,$args);
124: if ($env{'form.symb'}) {
125: $symb = $env{'form.symb'};
126: (my $map,$oldidx,$oldurl)=&Apache::lonnet::decode_symb($symb);
127: if ($map =~ m{^uploaded/$cdom/$cnum/(default(_\d+|))\.(sequence|page)$}) {
128: $folder = $1;
129: $container = $3;
130: }
131: $oldtitle = &Apache::lonnet::gettitle($env{'form.symb'});
132: if ($oldurl =~ m{^ext/(.+)$}) {
133: my $external = $1;
134: if ($external =~ m{^https://}) {
135: $oldurl = $external;
136: } else {
137: $oldurl = 'http://'.$oldurl;
138: }
139: $type = 'ext';
140: } else {
141: $type = 'tool';
142: }
143: } elsif ($env{'form.folderpath'}) {
144: $folder = &unescape( (split('&',$env{'form.folderpath'}))[-2] );
145: $oldurl = &unescape($env{'form.suppurl'});
146: $oldtitle = &unescape($env{'form.title'});
147: $container = 'sequence';
148: $supplementalflag = 1;
149: if ($oldurl =~ m{^/adm/$cdom/$cnum/\d+/ext\.tool$}) {
150: $type = 'tool';
151: } else {
152: $type = 'ext';
153: }
154: }
155: $url = $oldurl;
156: $title = $oldtitle;
157: if ($env{'form.importdetail'}) {
158: ($newtitle,$newurl,$newidx) =
159: map {&unescape($_)} split(/\=/,$env{'form.importdetail'});
160: if ($newurl =~ m{^(/adm/$cdom/$cnum/(\d+)/ext\.tool)\:?(.*)$}) {
161: $newurl = $1;
162: $marker = $2;
163: $args = $3;
164: }
165: }
166: if ($supplementalflag) {
167: $residx = $newidx;
168: } else {
169: $residx = $oldidx;
170: }
171: if ($folder && $container) {
172: if ($env{'form.importdetail'}) {
173: my ($errtext,$fatal,$mismatchedid,@imports);
174: if (!$supplementalflag) {
175: if (($oldidx) && ($oldidx != $newidx)) {
176: $mismatchedid = 1;
177: }
178: }
179: if ($mismatchedid) {
180: $errormsg = 'Wrong item identifier';
181: } elsif (($newtitle eq $oldtitle) && ($newurl eq $oldurl)) {
182: if ($type eq 'tool') {
183: if ($args) {
184: ($updated,$errormsg) = &update_exttool($marker,$cdom,$cnum,$args);
185: unless ($updated) {
186: $output = &mt('No change');
187: }
188: } else {
189: $output = &mt('No change');
190: }
191: } else {
192: $output = &mt('No change');
193: }
194: } else {
195: my $map = "/uploaded/$cdom/$cnum/$folder.$container";
196: my ($errtext,$fatal) = &LONCAPA::map::mapread($map);
197: if ($fatal) {
198: $errormsg = &mt('Update failed: [_1].',$errtext);
199: } else {
200: my $saveurl = &LONCAPA::map::qtunescape($newurl);
201: my $savetitle = &LONCAPA::map::qtunescape($newtitle);
202: my $ext = 'true';
203: if ($type eq 'tool') {
204: if ($args) {
205: ($updated,$errormsg) = &update_exttool($marker,$cdom,$cnum,$args);
206: }
207: $ext = 'false';
208: }
209: $LONCAPA::map::resources[$residx] =
210: join(':', ($savetitle,$saveurl,$ext,'normal','res'));
211: my ($outtext,$errtext) = &LONCAPA::map::storemap($map,1);
212: if ($errtext) {
213: $errormsg = &mt('Update failed: [_1].',$errtext);
214: } else {
215: $updated = 1;
216: $title = $newtitle;
217: if ($newurl ne $oldurl) {
218: $url = $newurl;
219: if ($ext eq 'true') {
220: $newurl =~ s{^http://}{};
221: $newurl = "ext/$newurl";
222: }
223: }
224: if (!$supplementalflag) {
225: if ($newurl ne $oldurl) {
226: $symb = &Apache::lonnet::encode_symb($map,$residx,$newurl);
227: } else {
228: $symb = $env{'form.symb'};
229: if ($symb) {
230: &Apache::lonnet::devalidate_title_cache($symb);
231: }
232: }
233: }
234: my ($furl,$ferr) =
235: &Apache::lonuserstate::readmap("$cdom/$cnum");
236: if ($ferr) {
237: $errormsg = &mt('Reload failed: [_1].',$ferr);
238: } else {
239: unless ($supplementalflag) {
240: &Apache::loncommon::update_content_constraints($cdom,$cnum,$chome,$cdom.'_'.$cnum);
241: }
242: }
243: }
244: }
245: }
246: } else {
247: $output = &mt('No change');
248: }
249: } else {
250: if ($type eq 'tool') {
251: $errormsg = &mt('Information about current external tool is incomplete.');
252: } else {
253: $errormsg = &mt('Information about current external resource is incomplete.');
254: }
255: }
256: return ($updated,$output,$errormsg,$residx,$url,$title,$symb);
257: }
258:
259: sub update_exttool {
260: my ($marker,$cdom,$cnum,$args) = @_;
261: my %toolhash=&Apache::lonnet::dump('exttool_'.$marker,$cdom,$cnum);
262: my (%newhash,$changed,@deleted,$errormsg);
263: ($newhash{'target'},$newhash{'width'},$newhash{'height'},$newhash{'linktext'},$newhash{'explanation'},
264: $newhash{'crslabel'},$newhash{'crstitle'}) = split(/:/,$args);
265: foreach my $item ('linktext','explanation','crslabel','crstitle') {
266: $newhash{$item} = &unescape($newhash{$item});
267: }
268: my %toolhash=&Apache::lonnet::dump('exttool_'.$marker,$cdom,$cnum);
269: foreach my $item ('target','width','height','linktext','explanation','crslabel','crstitle') {
270: $newhash{$item} =~ s/^\s+//;
271: $newhash{$item} =~ s/\s+$//;
272: if (($item eq 'width') || ($item eq 'height') || ($item eq 'linktext') || ($item eq 'explanation')) {
273: if ($newhash{'target'} eq 'iframe') {
274: $newhash{$item} = '';
275: } elsif ($newhash{'target'} eq 'tab') {
276: if (($item eq 'width') || ($item eq 'height')) {
277: $newhash{$item} = '';
278: }
279: }
280: }
281: if ($toolhash{$item} ne $newhash{$item}) {
282: if ($newhash{$item} eq '') {
283: unless (($item eq 'target') ||
284: ((($item eq 'width') || ($item eq 'height')) &&
285: (($newhash{'target'} eq 'window') ||
286: (($newhash{'target'} eq '') && ($toolhash{'target'} eq 'window')))) ||
287: ((($item eq 'linktext') || ($item eq 'explanation')) &&
288: ((($newhash{'target'} =~ /^(window|tab)$/)) ||
289: (($newhash{'target'} eq '') && ($toolhash{'target'} =~ /^(window|tab)$/))))) {
290: delete($toolhash{$item});
291: push(@deleted,$item);
292: $changed = 1;
293: }
294: } else {
295: $toolhash{$item} = $newhash{$item};
296: $changed = 1;
297: }
298: }
299: }
300: if ($changed) {
301: my $putres = &Apache::lonnet::put('exttool_'.$marker,\%toolhash,$cdom,$cnum);
302: unless ($putres eq 'ok') {
303: $errormsg = &mt('Failed to save updated settings.').' '.&mt('Error: [_1].',$putres);
304: }
305: }
306: if (@deleted) {
307: &Apache::lonnet::del('exttool_'.$marker,\@deleted,$cdom,$cnum);
308: }
309: return ($changed,$errormsg);
310: }
311:
312: sub extedit_form {
313: my ($supplementalflag,$residx,$orig_url,$orig_title,$pathitem,$helpitem,$caller,
314: $symb,$type,$cdom,$cnum,$ltitools,$disabled) = @_;
315: if ($type ne 'tool') {
316: $type = 'ext';
317: }
318: my %lt = &Apache::lonlocal::texthash(
319: ex => 'External Resource',
320: et => 'External Tool',
321: ed => 'Edit',
322: ee => 'External Resource Editor',
323: te => 'External Tool Editor',
324: pr => 'Preview',
325: sv => 'Save',
326: ul => 'URL',
327: ti => 'Title',
328: al => 'Add Link',
329: at => 'Add Tool',
330: );
331: my $tabid = 'aa';
332: my $size = 60;
333: if ($supplementalflag) {
334: $tabid = 'ee';
335: }
336: my ($formname,$formid,$toggle,$fieldsetid,$urlid,$dispdivstyle,$dimendivstyle,
337: $windivstyle,$linktextstyle,$explanationstyle,$labelstyle,$titlestyle,
338: $legend,$urlelem,$toolelem,%toolattr);
339: $formname = 'new'.$type;
340: $toggle = $type;
341: $fieldsetid = 'upload'.$type.'form';
342: $urlid = $type.'url';
343: map { $toolattr{$_} = $type.$_; } ('dispdiv','dimendiv','dimenwidth','dimenheight',
344: 'crstitlediv','crslabeldiv','crstitle','crslabel',
345: 'windiv','linktextdiv','explanationdiv','linktext',
346: 'explanation');
347: $dispdivstyle = 'display:none';
348: $dimendivstyle = 'display:none';
349: $windivstyle = 'display:none';
350: $linktextstyle = 'display:none';
351: $explanationstyle = 'display:none';
352: $labelstyle = 'display:none';
353: $titlestyle = 'display:none';
354: if ($supplementalflag) {
355: $formname = 'newsupp'.$type;
356: $toggle = 'supp'.$type;
357: $fieldsetid = 'uploadsupp'.$type.'form';
358: $urlid = 'supp'.$type.'url';
359: map { $toolattr{$_} = 'supp'.$toolattr{$_}; } (keys(%toolattr));
360: }
361: my ($link,$legend,$active,$srcclass,$extsrc,$preview,$title,$save,$crstitle,$crslabel,
362: $fieldsetstyle,$action,$hiddenelem,$form,$width,$height,$tooltarget,
363: $linktext,$explanation,%chkstate);
364: $fieldsetstyle = 'display: none;';
365: $action = '/adm/coursedocs';
366: my $protocol = ($ENV{'SERVER_PORT'} == 443?'https':'http');
367: my $rows = 2;
368: my $cols = 20;
369: if ($residx) {
370: if ($caller eq 'direct') {
371: $fieldsetstyle = 'display: block;';
372: $action = '/adm/extresedit';
373: $rows = 10;
374: $cols = 45;
375: if ($type eq 'tool') {
376: $legend = $lt{'ee'};
377: } else {
378: $legend = $lt{'te'};
379: }
380: $legend = '<legend>'.$legend.'</legend>';
381: if ($symb) {
382: $hiddenelem = '<input type="hidden" name="symb" value="'.$symb.'" />';
383: } elsif ($supplementalflag) {
384: $hiddenelem = '<input type="hidden" name="suppurl" value="'.
385: &HTML::Entities::encode(&escape($orig_url),'<>&"').'" />'."\n".
386: '<input type="hidden" name="title" value="'.
387: &HTML::Entities::encode(&escape($orig_title),'<>&"').'" />';
388: }
389: } else {
390: $link = '<a class="LC_docs_ext_edit" href="javascript:editext('."'$residx','$type'".');">'.$lt{'ed'}.'</a> '."\n";
391: $size = 40;
392: $active = '<input type="hidden" name="active" value="'.$tabid.'" />';
393: }
394: $formname = 'edit'.$type.'_'.$residx;
395: $fieldsetid = 'upload'.$type.$residx;
396: $urlid = $type.'url_'.$residx;
397: map { $toolattr{$_} .= '_'.$residx; } (keys(%toolattr));
398: $srcclass = ' class="LC_nobreak"';
399: if ($type eq 'ext') {
400: $extsrc = '<span class="LC_docs_ext_edit">'.$lt{'ul'}.' </span>';
401: $preview = ' <a class="LC_docs_ext_edit" href="javascript:extUrlPreview('."'$urlid','$protocol'".');">'.$lt{'pr'}.'</a>';
402: }
403: $title = '<span class="LC_docs_ext_edit">'.$lt{'ti'}.' </span>';
404: $save = $lt{'sv'};
405: } else {
406: $link = $lt{'ex'};
407: if ($type eq 'tool') {
408: $link = $lt{'et'};
409: }
410: $link = '<a class="LC_menubuttons_link" href="javascript:toggleUpload('."'$toggle'".');">'.$link.'</a>'.$helpitem;
411: if ($type eq 'tool') {
412: $legend = $lt{'te'};
413: } else {
414: $legend = $lt{'ee'};
415: }
416: $legend = '<legend>'.$legend.'</legend>';
417: $title = $lt{'ti'}.':<br />';
418: $residx = 0;
419: if ($type eq 'ext') {
420: $orig_url = 'http://';
421: $orig_title = $lt{'ex'};
422: $extsrc = $lt{'ul'}.':<br />';
423: $preview = '<input type="button" name="view" value="'.$lt{'pr'}.'" onclick="javascript:extUrlPreview('."'$urlid','$protocol'".');"'.$disabled.' />';
424: $save = $lt{'al'};
425: } else {
426: $orig_title = $lt{'et'};
427: $save = $lt{'at'};
428: $orig_url = "/adm/$cdom/$cnum/new/ext\.tool";
429: }
430: $pathitem .= '<br />';
431: }
432: $formid = $formname;
433: if ($type eq 'ext') {
434: $urlelem = '<input type="text" size="'.$size.'" name="exturl" id="'.$urlid.'" value="'.$orig_url.'"'.$disabled.' />';
435: } else {
436: my $class = 'LC_nobreak';
437: if ($residx) {
438: $class = 'LC_docs_ext_edit LC_nobreak';
439: if ($orig_url =~ m{^/adm/$cdom/$cnum/(\d+)/ext\.tool$}) {
440: my $marker = $1;
441: my %toolhash=&Apache::lonnet::dump('exttool_'.$marker,$cdom,$cnum);
442: if ($toolhash{'id'}) {
443: if (ref($ltitools) eq 'HASH') {
444: if (keys(%{$ltitools})) {
445: if (ref($ltitools->{$toolhash{'id'}}) eq 'HASH') {
446: my $tooltitle = $ltitools->{$toolhash{'id'}}->{'title'};
447: my $icon = $ltitools->{$toolhash{'id'}}->{'image'};
448: my $image;
449: if ($icon) {
450: $image = '<img src="'.$icon.'" alt="'.$tooltitle.'" />';
451: }
452: $tooltarget = $toolhash{'target'};
453: if ($tooltarget eq 'window') {
454: $dimendivstyle = 'display:block';
455: $windivstyle = 'display:block';
456: $chkstate{'window'} = 'checked="checked" ';
457: } elsif ($tooltarget eq 'tab') {
458: $windivstyle = 'display:block';
459: $chkstate{'tab'} = 'checked="checked" ';
460: } else {
461: $chkstate{'iframe'} = 'checked="checked" ';
462: }
463: $width = $toolhash{'width'};
464: $height = $toolhash{'height'};
465: $linktext = $toolhash{'linktext'};
466: $explanation = $toolhash{'explanation'};
467: if (ref($ltitools->{$toolhash{'id'}}->{'crsconf'}) eq 'HASH') {
468: if ($ltitools->{$toolhash{'id'}}->{'crsconf'}->{'title'}) {
469: $crstitle = $toolhash{'crstitle'};
470: $titlestyle = 'display:inline';
471: }
472: if ($ltitools->{$toolhash{'id'}}->{'crsconf'}->{'label'}) {
473: $crslabel = $toolhash{'crslabel'};
474: $labelstyle = 'display:inline';
475: }
476: if ($ltitools->{$toolhash{'id'}}->{'crsconf'}->{'target'}) {
477: $dispdivstyle = 'display:block';
478: }
479: if ($ltitools->{$toolhash{'id'}}->{'crsconf'}->{'linktext'}) {
480: $linktextstyle = 'padding:0;display:inline';
481: }
482: if ($ltitools->{$toolhash{'id'}}->{'crsconf'}->{'explanation'}) {
483: $explanationstyle = 'padding:0;display:inline';
484: }
485: }
486: $toolelem = '<span class="LC_nobreak">'.$image.' '.$tooltitle.'</span><br />';
487: }
488: }
489: }
490: }
491: }
492: } else {
493: $toolelem = '<span class="LC_docs_ext_edit">'."\n".
494: '<select name="exttoolid" id="LC_exttoolid" onchange="javascript:updateExttool(this,'.
495: 'this.form,'."'$supplementalflag'".');"'.$disabled.'>'."\n".
496: '<option value="" selected="selected">'.&mt('Select').'</option>';
497: my %bynum;
498: if (ref($ltitools) eq 'HASH') {
499: foreach my $id (keys(%{$ltitools})) {
500: if (ref($ltitools->{$id}) eq 'HASH') {
501: my $order = $ltitools->{$id}->{'order'};
502: $bynum{$order} = [$id,$ltitools->{$id}];
503: }
504: }
505: }
506: foreach my $item (sort { $a <=> $b } keys(%bynum)) {
507: if (ref($bynum{$item}) eq 'ARRAY') {
508: if (ref($bynum{$item}->[1]) eq 'HASH') {
509: my $tooltitle = $bynum{$item}->[1]->{'title'};
510: my $icon = $bynum{$item}->[1]->{'image'};
511: $toolelem .= '<option value="'.$bynum{$item}->[0].'">'.$tooltitle.'</option>';
512: }
513: }
514: }
515: $toolelem .= '</select></span><br />';
516: $crslabel = $env{'course.'.$cdom.'_'.$cnum.'.internal.coursecode'};
517: $crstitle = $env{'course.'.$cdom.'_'.$cnum.'.description'};
518: }
519: $toolelem .= '<div id="'.$toolattr{'dispdiv'}.'" style="'.$dispdivstyle.'">'.
520: '<span class="'.$class.'">'.&mt('Display target:').' '.
521: '<label><input type="radio" name="exttooltarget" value="iframe" '.$chkstate{'iframe'}.'onclick="updateTooldim(this.form,'.
522: "'$toolattr{dimendiv}','$toolattr{windiv}','$toolattr{dimenwidth}','$toolattr{dimenheight}',
523: '$toolattr{linktext}','$toolattr{explanation}'".');"'.$disabled.' />'.&mt('iframe').'</label>'.(' 'x2).
524: '<label><input type="radio" name="exttooltarget" value="tab" '.$chkstate{'tab'}.'onclick="updateTooldim(this.form,'.
525: "'$toolattr{dimendiv}','$toolattr{windiv}','$toolattr{dimenwidth}','$toolattr{dimenheight}',
526: '$toolattr{linktext}','$toolattr{explanation}'".');"'.$disabled.' />'.&mt('tab').'</label>'.(' 'x2).
527: '<label><input type="radio" name="exttooltarget" value="window" '.$chkstate{'window'}.'onclick="updateTooldim(this.form,'.
528: "'$toolattr{dimendiv}','$toolattr{windiv}','$toolattr{dimenwidth}','$toolattr{dimenheight}',
529: '$toolattr{linktext}','$toolattr{explanation}'".');"'.$disabled.' />'.&mt('window').'</label></span>'.
530: '<div id="'.$toolattr{'dimendiv'}.'" style="'.$dimendivstyle.'"><span class="'.$class.'">'.
531: &mt('Width').': <input type="text" size="4" id="'.$toolattr{'dimenwidth'}.'" name="exttoolwidth" value="'.$width.'"'.$disabled.' />'.(' 'x2).
532: &mt('Height').': <input type="text" size="4" id="'.$toolattr{'dimenheight'}.'" name="exttoolheight" value="'.$height.'"'.$disabled.' /></span>'."\n".
533: '</div></div>';
534: $toolelem .= '<div id="'.$toolattr{'windiv'}.'" style="'.$windivstyle.'">'.
535: '<div id="'.$toolattr{'linktextdiv'}.'" class="LC_left_float" style="'.$linktextstyle.'">'.
536: '<span class="'.$class.'">'.&mt('Link Text').'</span><br /><input type="text" size="25" id="'.$toolattr{'linktext'}.
537: '" name="exttoollinktext" value="'.$linktext.'"'.$disabled.' />'.
538: '</div><div id="'.$toolattr{'explanationdiv'}.'" class="LC_left_float" style="'.$explanationstyle.'">'.
539: '<span class="'.$class.'">'.&mt('Explanation').'</span><br />'.
540: '<textarea rows="'.$rows.'" cols="'.$cols.'" id="'.$toolattr{'explanation'}.'" name="exttoolexplanation" '.$disabled.'>'.
541: $explanation.'</textarea></div><div style="padding:0;clear:both;margin:0;border:0"></div>'.
542: '</div>';
543: $toolelem .= '<div id="'.$toolattr{'crslabeldiv'}.'" style="'.$labelstyle.'">'.
544: '<span class="'.$class.'">'.&mt('Course label:').' '.
545: '<input type="text" id="'.$toolattr{'crslabel'}.'" name="exttoollabel" value="'.$crslabel.'"'.$disabled.' /></span><br />'.
546: '</div>'.
547: '<div id="'.$toolattr{'crstitlediv'}.'" style="'.$titlestyle.'">'.
548: '<span class="'.$class.'">'.&mt('Course title:').' '.
549: '<input type="text" id="'.$toolattr{'crstitle'}.'" name="exttooltitle" value="'.$crstitle.'"'.$disabled.' /></span><br />'.
550: '</div>';
551: }
552: my $chooser = $toolelem;
553: if ($type eq 'ext') {
554: $chooser = "
555: <div>
556: <span$srcclass>
557: $extsrc
558: $urlelem
559: $preview
560: </span>
561: </div>
562: ";
563: }
564: $form = <<ENDFORM;
565: <form action="$action" method="post" name="$formname" id="$formid">
566: <fieldset id="$fieldsetid" style="$fieldsetstyle">
567: $legend
568: $active
569: $chooser
570: <div>
571: <span$srcclass>
572: $title
573: <input type="text" size="$size" name="exttitle" value="$orig_title" $disabled />
574: <input type="hidden" name="importdetail" value="" />
575: $pathitem
576: $hiddenelem
577: <input type="button" value="$save" onclick="javascript:setExternal(this.form,'$residx','$type','$orig_url','$supplementalflag');" $disabled />
578: </span>
579: </div>
580: </fieldset>
581: </form>
582: ENDFORM
583: if (wantarray) {
584: return ($link,$form);
585: } else {
586: return $link.$form;
587: }
588: }
589:
590: sub display_editor {
591: my ($url,$folderpath,$symb,$idx,$type,$cdom,$cnum,$hostname) = @_;
592: my ($residx,$supplementalflag,$title,$pathitem,$output,$js,$navmap);
593: if ($folderpath =~ /^supplemental/) {
594: $supplementalflag = 1;
595: $residx = $idx;
596: $title = &unescape($env{'form.title'});
597: $pathitem = '<input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($folderpath,'<>&"').'" />';
598: } elsif ($symb =~ /^uploaded/) {
599: (my $map,$residx,my $res) =
600: &Apache::lonnet::decode_symb($symb);
601: $title = &Apache::lonnet::gettitle($symb);
602: my $path = &Apache::loncommon::symb_to_docspath($symb,\$navmap);
603: $pathitem = '<input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($path,'<>&"').'" />';
604: }
605: my %ltitools;
606: if ($type eq 'tool') {
607: %ltitools = &Apache::lonnet::get_domain_ltitools($cdom);
608: }
609: $js = &Apache::lonhtmlcommon::scripttag(&extedit_javascript());
610: my $args = { 'force_register' => $env{'form.register'} };
611: if ($hostname) {
612: $args->{'hostname'} = $hostname;
613: }
614: my $description = 'External Resource Editor';
615: if ($type eq 'tool') {
616: $description = 'External Tool Editor';
617: }
618: return &Apache::loncommon::start_page($description,$js,$args).
619: '<div class="LC_left_float">'.
620: &extedit_form($supplementalflag,$residx,$url,$title,$pathitem,undef,'direct',
621: $symb,$type,$cdom,$cnum,\%ltitools).
622: '</div>'.
623: &Apache::loncommon::end_page();
624: }
625:
626: sub extedit_javascript {
627: my ($toolsref) = @_;
628: my $toolsjs;
629: if (ref($toolsref) eq 'HASH') {
630: my $num = scalar(keys(%{$toolsref}));
631: $toolsjs = " var ltitools = new Array($num);\n".
632: " var ltitoolsTarget = new Array($num);\n".
633: " var ltitoolsWidth = new Array($num);\n".
634: " var ltitoolsHeight = new Array($num);\n".
635: " var ltitoolsLinkDef = new Array($num);\n".
636: " var ltitoolsExplainDef = new Array($num);\n".
637: " var ltitoolsDisplay = new Array($num);\n".
638: " var ltitoolsLink = new Array($num);\n".
639: " var ltitoolsExplain = new Array($num);\n".
640: " var ltitoolsLabel = new Array($num);\n".
641: " var ltitoolsTitle = new Array($num);\n";
642: my $i = 0;
643: foreach my $key (sort { $a <=> $b } keys(%{$toolsref})) {
644: if (ref($toolsref->{$key}) eq 'HASH') {
645: if (ref($toolsref->{$key}->{'display'}) eq 'HASH') {
646: my $target = $toolsref->{$key}->{'display'}->{'target'};
647: my $width = $toolsref->{$key}->{'display'}->{'width'};
648: my $height = $toolsref->{$key}->{'display'}->{'height'};
649: my $linkdef = $toolsref->{$key}->{'display'}->{'linktext'};
650: my $explaindef = $toolsref->{$key}->{'display'}->{'explanation'};
651: $toolsjs .= ' ltitools['.$i.'] = '."'$key';\n".
652: ' ltitoolsTarget['.$i.'] = '."'$target';\n".
653: ' ltitoolsWidth['.$i.'] = '."'$width';\n".
654: ' ltitoolsHeight['.$i.'] = '."'$height';\n".
655: ' ltitoolsLinkDef['.$i.'] = '."'$linkdef';\n".
656: ' ltitoolsExplainDef['.$i.'] = '."'$explaindef';\n";
657: }
658: if (ref($toolsref->{$key}->{'crsconf'}) eq 'HASH') {
659: my $display = $toolsref->{$key}->{'crsconf'}->{'target'};
660: $toolsjs .= ' ltitoolsDisplay['.$i.'] = '."'$display';\n";
661: my $linktext = $toolsref->{$key}->{'crsconf'}->{'linktext'};
662: $toolsjs .= ' ltitoolsLink['.$i.'] = '."'$linktext';\n";
663: my $explanation = $toolsref->{$key}->{'crsconf'}->{'explanation'};
664: $toolsjs .= ' ltitoolsExplain['.$i.'] = '."'$explanation';\n";
665: my $label = $toolsref->{$key}->{'crsconf'}->{'label'};
666: $toolsjs .= ' ltitoolsLabel['.$i.'] = '."'$label';\n";
667: my $title = $toolsref->{$key}->{'crsconf'}->{'title'};
668: $toolsjs .= ' ltitoolsTitle['.$i.'] = '."'$title';\n";
669: }
670: $i++;
671: }
672: }
673: }
674: my %js_lt = &Apache::lonlocal::texthash(
675: invurl => 'Invalid URL',
676: titbl => 'Title is blank',
677: invtool => 'Please select an external tool',
678: );
679: &js_escape(\%js_lt);
680:
681: my $urlregexp = <<'ENDREGEXP';
682: /^([a-z]([a-z]|\d|\+|-|\.)*):(\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?((\[(|(v[\da-f]{1,}\.(([a-z]|\d|-|\.|_|~)|[!\$&'\(\)\*\+,;=]|:)+))\])|((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=])*)(:\d*)?)(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*|(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)|((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)|((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)){0})(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(\#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i
683: ENDREGEXP
684:
685: return <<ENDJS;
686:
687: var regexp = $urlregexp;
688:
689: function setExternal(extform,residx,type,exttoolurl,supplementalflag) {
690: var title=extform.exttitle.value;
691: if (!String.trim) {
692: String.prototype.trim = function() {return this.replace(\/^\\s+|\\s+$\/g, "");}; }
693: if (title == null || title.trim()=="") {
694: alert("$js_lt{'titbl'}");
695: extform.exttitle.focus();
696: return;
697: }
698: if (type == 'ext') {
699: var url=extform.exturl.value;
700: if (!regexp.test(url)) {
701: alert("$js_lt{'invurl'}");
702: extform.exturl.focus();
703: return;
704: } else {
705: url = escape(url);
706: title = escape(title);
707: if (residx > 0) {
708: eval("extform.importdetail.value=title+'='+url+'='+residx;extform.submit();");
709: } else {
710: eval("extform.importdetail.value=title+'='+url;extform.submit();");
711: }
712: }
713: } else {
714: title = escape(title);
715: var info = exttoolurl;
716: if (residx == 0) {
717: var toolid = parseInt(extform.exttoolid.options[extform.exttoolid.selectedIndex].value);
718: if (isNaN(toolid)) {
719: alert("$js_lt{'invtool'}");
720: return;
721: }
722: info += ':'+toolid;
723: }
724: var prefix = '';
725: if (supplementalflag == 1) {
726: prefix = 'supp';
727: }
728: var dispdiv = prefix+'tooldispdiv';
729: var windiv = prefix+'toolwindiv';
730: if (residx > 0) {
731: dispdiv += '_'+residx;
732: windiv += '_'+residx;
733: }
734: if (document.getElementById(dispdiv)) {
735: if (document.getElementById(dispdiv).style.display == 'block') {
736: if (extform.exttooltarget.length) {
737: for (var i=0; i<extform.exttooltarget.length; i++) {
738: if (extform.exttooltarget[i].checked) {
739: if (extform.exttooltarget[i].value == 'window') {
740: var width = extform.exttoolwidth.value;
741: width.trim();
742: var height = extform.exttoolheight.value;
743: height.trim();
744: info += ':window:'+width+':'+height;
745: } else if (extform.exttooltarget[i].value == 'tab') {
746: info += ':tab::';
747: } else {
748: info += ':iframe::';
749: }
750: }
751: }
752: }
753: } else {
754: info += ':::';
755: }
756: } else {
757: info += ':::';
758: }
759: if (document.getElementById(windiv)) {
760: if (document.getElementById(windiv).style.display == 'block') {
761: var linktextdiv = prefix+'toollinktextdiv';
762: var explanationdiv = prefix+'toolexplanationdiv';
763: if (residx > 0) {
764: linktextdiv += '_'+residx;
765: explanationdiv += '_'+residx;
766: }
767: if (document.getElementById(linktextdiv).style.display == 'inline') {
768: var linktext = extform.exttoollinktext.value;
769: linktext.trim();
770: info += ':'+escape(linktext);
771: } else {
772: info += ':';
773: }
774: if (document.getElementById(explanationdiv).style.display == 'inline') {
775: var explaintext = extform.exttoolexplanation.value;
776: explaintext.trim();
777: info += ':'+escape(explaintext);
778: } else {
779: info += ':';
780: }
781: } else {
782: info += '::';
783: }
784: } else {
785: info += '::';
786: }
787: var labelinput = prefix+'toolcrslabel';
788: var titleinput = prefix+'toolcrstitle';
789: if (residx > 0) {
790: labelinput += '_'+residx;
791: titleinput += '_'+residx;
792: }
793: if (document.getElementById(labelinput)) {
794: var crslabel = document.getElementById(labelinput).value;
795: crslabel.trim();
796: info += ':'+escape(crslabel);
797: } else {
798: info += ':';
799: }
800: if (document.getElementById(titleinput)) {
801: var crstitle = document.getElementById(titleinput).value;
802: crstitle.trim();
803: info += ':'+escape(crstitle);
804: } else {
805: info += ':';
806: }
807: info=escape(info);
808: if (residx > 0) {
809: eval("extform.importdetail.value=title+'='+info+'='+residx;extform.submit();");
810: } else {
811: eval("extform.importdetail.value=title+'='+info;extform.submit();");
812: }
813: }
814: }
815:
816: function editext(residx,type) {
817: if (document.getElementById('upload'+type+residx)) {
818: var curr = document.getElementById('upload'+type+residx).style.display;
819: if (curr == 'none') {
820: disp = 'block';
821: } else {
822: disp = 'none';
823: }
824: document.getElementById('upload'+type+residx).style.display=disp;
825: }
826: resize_scrollbox('contentscroll','1','1');
827: return;
828: }
829:
830: function extUrlPreview(caller,protocol) {
831: if (document.getElementById(caller)) {
832: var url = document.getElementById(caller).value;
833: if (regexp.test(url)) {
834: var http_regex = /^http\:\/\//gi;
835: if ((protocol == 'https') && (http_regex.test(url))) {
836: window.open(url,"externalpreview","height=400,width=500,scrollbars=1,resizable=1,menubar=0,location=1");
837: } else {
838: openMyModal(url,500,400,'yes');
839: }
840: } else {
841: alert("$js_lt{'invurl'}");
842: }
843: }
844: }
845:
846: function updateExttool(caller,form,supplementalflag) {
847: var prefix = '';
848: if (supplementalflag == 1) {
849: prefix = 'supp';
850: }
851: dispdiv = prefix+'tooldispdiv';
852: dimendiv = prefix+'tooldimendiv';
853: widthinput = prefix+'tooldimenwidth';
854: heightinput = prefix+'tooldimenheight';
855: labeldiv = prefix+'toolcrslabeldiv';
856: titlediv = prefix+'toolcrstitlediv';
857: labelinput = prefix+'toolcrslabel';
858: titleinput = prefix+'toolcrstitle';
859: windiv = prefix+'toolwindiv';
860: linktextdiv = prefix+'toollinktextdiv';
861: linktextinput = prefix+'toollinktext';
862: explanationdiv = prefix+'toolexplanationdiv';
863: explanationinput = prefix+'toolexplanation';
864: if (document.getElementById(dispdiv)) {
865: var toolpick = caller.options[caller.selectedIndex].value;
866: $toolsjs
867: if (toolpick == '') {
868: if (document.getElementById(dispdiv)) {
869: document.getElementById(dispdiv).style.display = 'none';
870: }
871: if (document.getElementById(dimendiv)) {
872: document.getElementById(dimendiv).style.display = 'none';
873: }
874: if (document.getElementById(windiv)) {
875: document.getElementById(windiv).style.display = 'none';
876: }
877: if (document.getElementById(linktextdiv)) {
878: document.getElementById(linktextdiv).style.display = 'none';
879: }
880: if (document.getElementById(explanationdiv)) {
881: document.getElementById(explanationdiv).style.display = 'none';
882: }
883: if (document.getElementById(labeldiv)) {
884: document.getElementById(labeldiv).style.display = 'none';
885: }
886: if (document.getElementById(titlediv)) {
887: document.getElementById(titlediv).style.display = 'none';
888: }
889: } else {
890: if (ltitools.length > 0) {
891: for (var j=0; j<ltitools.length; j++) {
892: if (ltitools[j] == toolpick) {
893: if (document.getElementById(dispdiv)) {
894: if (ltitoolsDisplay[j]) {
895: document.getElementById(dispdiv).style.display = 'block';
896: if (form.exttooltarget.length) {
897: for (var k=0; k<form.exttooltarget.length; k++) {
898: if (form.exttooltarget[k].value == ltitoolsTarget[j]) {
899: form.exttooltarget[k].checked = true;
900: break;
901: }
902: }
903: }
904: }
905: var dimen = 'none';
906: var dimenwidth = '';
907: var dimenheight = '';
908: if ((ltitoolsDisplay[j]) && (ltitoolsTarget[j] == 'window')) {
909: dimen = 'block';
910: dimenwidth = ltitoolsWidth[j];
911: dimenheight = ltitoolsHeight[j];
912: }
913: if (document.getElementById(dimendiv)) {
914: document.getElementById(dimendiv).style.display = dimen;
915: }
916: if (document.getElementById(widthinput)) {
917: document.getElementById(widthinput).value = dimenwidth;
918: }
919: if (document.getElementById(heightinput)) {
920: document.getElementById(heightinput).value = dimenheight;
921: }
922: }
923: if (document.getElementById(windiv)) {
924: if ((ltitoolsTarget[j] == 'window') || (ltitoolsTarget[j] == 'tab')) {
925: document.getElementById(windiv).style.display = 'block';
926: } else {
927: document.getElementById(windiv).style.display = 'none';
928: }
929: if (document.getElementById(linktextdiv)) {
930: if (ltitoolsLink[j]) {
931: document.getElementById(linktextdiv).style.display = 'inline';
932: } else {
933: document.getElementById(linktextdiv).style.display = 'none';
934: }
935: }
936: if (document.getElementById(linktextinput)) {
937: if (ltitoolsLink[j]) {
938: document.getElementById(linktextinput).value = ltitoolsLinkDef[j];
939: } else {
940: document.getElementById(linktextinput).value = '';
941: }
942: }
943: if (document.getElementById(explanationdiv)) {
944: if (ltitoolsExplain[j]) {
945: document.getElementById(explanationdiv).style.display = 'inline';
946: } else {
947: document.getElementById(explanationdiv).style.display = 'none';
948: }
949: }
950: if (document.getElementById(explanationinput)) {
951: if (ltitoolsExplain[j]) {
952: document.getElementById(explanationinput).value = ltitoolsExplainDef[j];
953: } else {
954: document.getElementById(explananationinput).value = '';
955: }
956: }
957: }
958: if (document.getElementById(labeldiv)) {
959: if (ltitoolsLabel[j]) {
960: document.getElementById(labeldiv).style.display = 'inline';
961: } else {
962: document.getElementById(labeldiv).style.display = 'none';
963: }
964: }
965: if (document.getElementById(titlediv)) {
966: if (ltitoolsTitle[j]) {
967: document.getElementById(titlediv).style.display = 'inline';
968: } else {
969: document.getElementById(titlediv).style.display = 'none';
970: }
971: }
972: break;
973: }
974: }
975: }
976: }
977: }
978: }
979:
980: function updateTooldim(form,dimendiv,windiv,widthinput,heightinput,linkinput,explaininput) {
981: if (form.exttooltarget.length) {
982: for (var i=0; i<form.exttooltarget.length; i++) {
983: if (form.exttooltarget[i].checked) {
984: var dimen = 'none';
985: var linkconf = 'none';
986: if (form.exttooltarget[i].value == 'window') {
987: dimen = 'block';
988: linkconf = 'block';
989: } else {
990: if (form.exttooltarget[i].value == 'tab') {
991: linkconf = 'block';
992: } else {
993: if (document.getElementById(widthinput)) {
994: document.getElementById(widthinput).value = '';
995: }
996: if (document.getElementById(heightinput)) {
997: document.getElementById(heightinput).value = '';
998: }
999: if (document.getElementById(linkinput)) {
1000: document.getElementById(linkinput).value = '';
1001: }
1002: if (document.getElementById(explaininput)) {
1003: document.getElementById(explaininput).value = '';
1004: }
1005: }
1006: }
1007: if (document.getElementById(dimendiv)) {
1008: document.getElementById(dimendiv).style.display = dimen;
1009: }
1010: if (document.getElementById(windiv)) {
1011: document.getElementById(windiv).style.display = linkconf;
1012: }
1013: break;
1014: }
1015: }
1016: }
1017: }
1018:
1019: ENDJS
1020:
1021: }
1022:
1023: 1;
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