1: # The LearningOnline Network
2: # Syllabus
3: #
4: # $Id: lonsyllabus.pm,v 1.139 2016/01/26 14:30:25 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::lonsyllabus;
30:
31: use strict;
32: use Apache::lontemplate;
33: use Apache::Constants qw(:common);
34: use Apache::loncommon;
35: use Apache::lonnet;
36: use Apache::lontexconvert;
37: use Apache::lonfeedback;
38: use Apache::lonhtmlgateway;
39: use Apache::lonannounce;
40: use Apache::lonlocal;
41: use Apache::lonhtmlcommon;
42: use Apache::lonspeller();
43: use HTML::Entities();
44:
45: sub handler {
46: my $r = shift;
47: &Apache::loncommon::content_type($r,'text/html');
48: $r->send_http_header;
49: return OK if $r->header_only;
50:
51: my $target=$env{'form.grade_target'};
52: # --------------------------------------------------- Get course info from URL
53: my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
54: # ------------------------------------------------------------ Get query string
55: &Apache::loncommon::get_unprocessed_cgi
56: ($ENV{'QUERY_STRING'},['register','forceedit','todocs',
57: 'folderpath','title','only_body']);
58: # ----------------------------------------------------- Is this even a course?
59: my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom);
60: if ($homeserver eq 'no_host') {
61: &Apache::loncommon::content_type($r,'text/html');
62: $r->send_http_header;
63: &Apache::loncommon::simple_error_page($r,'No syllabus available',
64: 'No syllabus available');
65: return OK;
66: } elsif (!&Apache::lonnet::is_course($cdom,$cnum)) {
67: &Apache::loncommon::content_type($r,'text/html');
68: $r->send_http_header;
69: &Apache::loncommon::simple_error_page($r,'No syllabus available',
70: 'The course/community for which the syllabus was requested does not exist.');
71: return OK;
72: }
73: # ------------------------------------- There is such a course, get environment
74: my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
75: my $crstype = &Apache::loncommon::course_type();
76:
77: # --------------------------------------------------------------- Force Student
78: my ($forceedit,$forcestudent);
79: if ($env{'form.forceedit'}) { $forceedit=1; }
80: if (!$forceedit) {
81: $forcestudent=1;
82: }
83:
84: # --------------------------------------------------------------- Check Privileges
85: my $allowed = 0;
86: if ($env{'user.environment'}) {
87: # does this user have privileges to post, etc?
88: if ($env{'request.course.id'}
89: && $cdom eq $env{'course.'.$env{'request.course.id'}.'.domain'}
90: && $cnum eq $env{'course.'.$env{'request.course.id'}.'.num'}) {
91: $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
92: if ($forcestudent or $target eq 'tex') { $allowed=0; }
93: }
94: }
95:
96: # -------------------------------------------------- Let's see who handles this
97: my $external=$courseenv{'externalsyllabus'};
98: my $uploaded=$courseenv{'uploadedsyllabus'};
99: my $minimal=$courseenv{'minimalsyllabus'};
100:
101: if (($minimal =~/\w/) || ($uploaded =~/\w/)) {
102: my ($item,$is_pdf);
103: if ($minimal =~/\w/) {
104: if ($external =~ m{\Q$minimal\E$}) {
105: undef($external);
106: }
107: $item = $minimal;
108: } elsif ($uploaded =~/\w/) {
109: if ($external =~ m{\Q$uploaded\E$}) {
110: undef($external);
111: }
112: $item = $uploaded;
113: if ($item =~ /\.pdf$/i) {
114: $is_pdf = 1;
115: }
116: }
117: unless ($allowed && $forceedit) {
118: my $file=&Apache::lonnet::filelocation("",$item);
119: if ($file =~ /\.(tex|x?html?)$/) {
120: my $filetype = $1;
121: my $filecontents=&Apache::lonnet::getfile($file);
122: if ($filecontents eq -1) {
123: $r->print(&mt('Syllabus file unavailable'));
124: } elsif ($filetype eq 'tex') {
125: if ($target eq 'tex') {
126: $r->print($filecontents);
127: } else {
128: my $result = &Apache::lontexconvert::converted(\$filecontents,
129: $env{'form.texengine'});
130: my %args;
131: &get_breadcrumbs($cdom,$cnum,$crstype,\%args);
132: if ($env{'form.only_body'}) {
133: $args{'only_body'} = 1;
134: }
135: if ($env{'request.use_absolute'}) {
136: $args{'use_absolute'} = $env{'request.use_absolute'};
137: }
138: $r->print(&Apache::loncommon::start_page("Syllabus",undef,\%args).
139: $result.
140: &Apache::loncommon::end_page());
141: }
142: } else {
143: my %mystyle;
144: unless ($target eq 'tex') {
145: $target = 'web';
146: }
147: &Apache::structuretags::reset_problem_globals();
148: my $oldfile = $env{'request.filename'};
149: $env{'request.filename'} = $item;
150: my $result = &Apache::lonxml::xmlparse($r,$target,$filecontents,
151: '',%mystyle);
152: &Apache::structuretags::reset_problem_globals();
153: &Apache::lonhomework::finished_parsing();
154: $env{'request.filename'} = $oldfile;
155: &Apache::lonxml::add_messages(\$result);
156: $r->print($result);
157: }
158: } else {
159: if ($target eq 'tex') {
160: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}).
161: ' \strut \\\\ \textbf{'.&mt('Syllabus').'} \strut \\\\ '.
162: &mt('Unsupported file type.').' \strut \\\\ '.
163: &mt('Print the syllabus directly from your web browser').
164: '\end{document}');
165: } else {
166: $r->print(&Apache::lonwrapper::wrapper($item,undef,$env{'request.use_absolute'},
167: undef,$is_pdf,undef,&mt('Syllabus')));
168: }
169: }
170: return OK;
171: }
172: } elsif ($external=~/\w/) {
173: unless ($allowed && $forceedit) {
174: if ($target eq 'tex') {
175: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}).
176: ' \strut \\\\ \textbf{'.&mt('Syllabus').'} \strut \\\\ '.$external.' '.
177: ' \strut \\\\ '.&mt('Print the syllabus directly from your web browser').
178: '\end{document}');
179: } else {
180: my $is_ext = 1;
181: my $is_pdf;
182: if ($external =~ /\.pdf$/i) {
183: $is_pdf = 1;
184: }
185: $r->print(&Apache::lonwrapper::wrapper($external,undef,$env{'request.use_absolute'},
186: $is_ext,$is_pdf,undef,&mt('Syllabus')));
187: }
188: return OK;
189: }
190: }
191:
192: # ------------------------------------------------------------ Print the screen
193:
194: if ($target eq 'tex') {
195: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
196: }
197:
198: # ------------------------------ The buck stops here: internal syllabus display
199: # --------------------------------------------------------- The syllabus fields
200: my %syllabusfields=&Apache::lonlocal::texthash(
201: 'aaa_instructorinfo' => 'Instructor Information',
202: 'bbb_description' => 'Course Description',
203: 'ccc_prereq' => 'Prerequisites',
204: 'cdc_classhours' => 'Class Hours',
205: 'ddd_officehours' => 'Office Hours',
206: 'eee_helproom' => 'Helproom Hours',
207: 'efe_projectinfo' => 'Project Information',
208: 'fff_examinfo' => 'Exam Information',
209: 'fgf_deadlines' => 'Deadlines',
210: 'ggg_grading' => 'Grading Information',
211: 'hhh_readings' => 'Readings',
212: 'iii_coursepack' => 'Coursepack',
213: 'jjj_weblinks' => 'Web Links',
214: 'kkk_textbook' => 'Textbook',
215: 'lll_includeurl' => 'URLs To Include in Syllabus');
216: # ---------------------------------------------------------- Load syllabus info
217: my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
218: my ($output,%displayfields,%noshow);
219:
220: # This handler might be called anonymously ...
221: # ----------------------------------------------------- Only if not public call
222: if ($allowed) {
223: if (($env{'form.choice'} =~ /^(template|minimal|url|file)$/) ||
224: ($env{'form.phase'} =~ /^(upload|check)_embedded$/)) {
225: my $earlyout;
226: ($earlyout,$uploaded,$external,$minimal,$output) =
227: &save_changes($cnum,$cdom,$uploaded,$external,$minimal,
228: \%syllabus,\%syllabusfields,\%courseenv);
229: if (($env{'form.choice'} eq 'minimal') &&
230: ($minimal eq "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html")) {
231: delete($env{'form.symb'});
232: delete($env{'request.symb'});
233: $r->internal_redirect("$minimal?editmode=1&forceedit=1");
234: return OK;
235: }
236: if ($earlyout) {
237: if ($target ne 'tex') {
238: &print_header($r,$cnum,$cdom,$crstype,$allowed,$forceedit,
239: \%syllabus,\%syllabusfields);
240: $r->print($output.
241: &Apache::loncommon::end_page());
242: }
243: return OK;
244: }
245: }
246: }
247: if ($target ne 'tex') {
248: &print_header($r,$cnum,$cdom,$crstype,$allowed,$forceedit,\%syllabus,
249: \%syllabusfields);
250: $r->print($output);
251: }
252:
253: # -------------------------------------------- Determine which fields are shown
254:
255: if ($syllabus{'uploaded.fields'}) {
256: if ($syllabus{'uploaded.fields'} eq 'none') {
257: foreach my $field (keys(%syllabusfields)) {
258: $displayfields{$field} = ' style="display:none;"';
259: $noshow{$field} = 1;
260: }
261: } else {
262: my %included;
263: map { $included{$_} = 1; } split(/,/,$syllabus{'uploaded.fields'});
264: foreach my $field (keys(%syllabusfields)) {
265: my ($prefix) = split(/_/,$field);
266: if ($included{$prefix}) {
267: $displayfields{$field} = ' style="display:block;"';
268: } else {
269: $displayfields{$field} = ' style="display:none;"';
270: $noshow{$field} = 1;
271: }
272: }
273: }
274: } else {
275: foreach my $field (keys(%syllabusfields)) {
276: if ($syllabus{$field} ne '') {
277: $displayfields{$field} = ' style="display:block;"';
278: } else {
279: $displayfields{$field} = ' style="display:none;"';
280: }
281: }
282: }
283:
284: if ($allowed) {
285: #---------------------------------- Print External URL Syllabus Info if editing
286: if ($target ne 'tex') {
287: my $protocol = $Apache::lonnet::protocol{$homeserver};
288: $protocol = 'http' if ($protocol ne 'https');
289: my $link = $protocol.'://'.&Apache::lonnet::hostname($homeserver).$r->uri;
290: $r->print('<div class="LC_left_float">'
291: .'<span class="LC_help_open_topic LC_info">'
292: .'<span class="LC_info">'
293: .&mt('Public link (no log-in): [_1]','<tt>'.$link.'</tt>')
294: .' </span>'.&Apache::loncommon::help_open_topic('Syllabus_ExtLink')
295: .'</span>'
296: .'</div><div style="padding:0;clear:both;margin:0;border:0"></div>'."\n");
297: my $lonhost = $r->dir_config('lonHostID');
298: $r->print(&chooser($external,$uploaded,$minimal,$cdom,$cnum,$lonhost,
299: \%syllabusfields,\%syllabus));
300: }
301: } else {
302: #--------------------------------------------- Print last update unless editing
303: my $lastmod=$syllabus{'uploaded.lastmodified'};
304: $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
305: my $who;
306: if ($syllabus{'uploaded.lastmodified'}) {
307: if (($env{'user.name'} ne 'public') && ($env{'user.domain'} ne 'public')) {
308: $who = &Apache::loncommon::aboutmewrapper(
309: &Apache::loncommon::plainname($syllabus{'uploaded.name'},
310: $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
311: $syllabus{'uploaded.domain'});
312: } else {
313: # Public user?
314: # Only display name of user, but no link to personal information page
315: $who = &Apache::loncommon::plainname(
316: $syllabus{'uploaded.name'},
317: $syllabus{'uploaded.domain'});
318: }
319: }
320: if ($target ne 'tex') {
321: $r->print('<div class="LC_info">'.&mt('Last updated').': '.
322: $lastmod . ' '.
323: ($who ? &mt('by').' '.$who
324: : '' ) .
325: '</div>' );
326: } else {
327: $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.
328: ($who? &mt('by').'\\\\ '.
329: &Apache::loncommon::plainname($syllabus{'uploaded.name'},$syllabus{'uploaded.domain'})
330: :'')
331: .'\\\\');
332: }
333: }
334:
335: #-------------------------------------------------------------- Print Headtitle
336: if ($target ne 'tex') {
337: my $display = 'block';
338: if ($external || $uploaded || $minimal) {
339: $display = 'none';
340: }
341: $r->print('<div class="LC_Box" id="template" style="display: '.$display.'">'.
342: '<h2 class="LC_hcell">'.$courseenv{'description'}.'</h2>');
343: if ($allowed) {
344: $r->print('<div style="margin: 0; float:left;">'.
345: '<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>'.
346: '</div>');
347: # Print Help Text if editing at right side of screen
348: $r->print('<div style="margin: 0; float:right;">'.
349: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')).
350: '</div><br clear="all" />');
351: } else {
352: $r->print('<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>');
353: }
354: } else {
355: $r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'.
356: &Apache::lonnet::domain($cdom,'description').'}\\\\');
357: }
358: # -------------------------------------------------------- Get course personnel
359: my $hidepersonnel;
360: if (($syllabus{'uploaded.fields'}) &&
361: (($syllabus{'uploaded.fields'} eq 'none') ||
362: ($syllabus{'uploaded.fields'} !~ /000/))) {
363: $hidepersonnel = 1;
364: }
365: if ($target ne 'tex') {
366: if ($allowed) {
367: my $display = ' style="display:block;"';
368: if ($hidepersonnel) {
369: $display = ' style="display:none;"';
370: }
371: &Apache::lontemplate::print_start_template($r,&mt('Personnel'),'LC_Box',
372: 'box_000_showpeople',$display);
373: $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,\%syllabus));
374: &Apache::lontemplate::print_end_template($r);
375: } else {
376: unless ($hidepersonnel) {
377: &Apache::lontemplate::print_start_template($r,&mt('Personnel'),'LC_Box');
378: $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,\%syllabus));
379: &Apache::lontemplate::print_end_template($r);
380: }
381: }
382: } else {
383: unless ($hidepersonnel) {
384: $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,%syllabus));
385: }
386: }
387: # -------------------------------------------------------------- Announcements?
388: my $day = &Apache::lonannounce::showday(time,2,
389: &Apache::lonannounce::readcalendar($cdom.'_'.$cnum));
390: my $hidefeeds;
391: if (($syllabus{'uploaded.fields'}) &&
392: (($syllabus{'uploaded.fields'} eq 'none') ||
393: ($syllabus{'uploaded.fields'} !~ /111/))) {
394: $hidefeeds = 1;
395: }
396: if ($target ne 'tex') {
397: if ($allowed) {
398: my $display = ' style="display:block;"';
399: if ($hidefeeds) {
400: $display = ' style="display:none;"';
401: }
402: &Apache::lontemplate::print_start_template($r,&mt('RSS Feeds and Blogs'),'LC_Box',
403: 'box_111_showrssfeeds',$display);
404: my ($numfeeds,$hiddenfeeds,$rsslinktext);
405: my $feeds=&Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit,\$numfeeds,
406: \$hiddenfeeds);
407: if ($numfeeds) {
408: $r->print($feeds);
409: $rsslinktext = &mt('New RSS Feed or Blog');
410: } else {
411: my $msg = '<br />'.
412: &mt("RSS Feeds and Blogs item is not included in a student's view of the syllabus.");
413: if ($hiddenfeeds) {
414: $r->print('<p class="LC_info">'.
415: &mt('All feeds currently hidden').
416: $msg.
417: '</p>');
418: } else {
419: $r->print('<p class="LC_info">'.
420: &mt('No current feeds').
421: $msg.
422: '</p>');
423: }
424: $rsslinktext = &mt('Manage Course RSS Feeds/Blogs');
425: if ($crstype eq 'Community') {
426: $rsslinktext = &mt('Manage Community RSS Feeds/Blogs');
427: }
428: }
429: my $editurl= &Apache::lonnet::absolute_url().'/adm/'.$cdom.'/'.$cnum.'/_rss.html';
430: $r->print( '<a href="'.$editurl.'">'.$rsslinktext.'</a>');
431: &Apache::lontemplate::print_end_template($r);
432: } else {
433: unless ($hidefeeds) {
434: my $feeds = &Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit);
435: if ($feeds ne '') {
436: &Apache::lontemplate::print_start_template($r,&mt('RSS Feeds and Blogs'),'LC_Box');
437: $r->print($feeds);
438: &Apache::lontemplate::print_end_template($r);
439: }
440: }
441: }
442: } else {
443: $r->print(&Apache::lonxml::xmlparse($r,'tex',$day));
444: }
445: # ---------------------------------------------------------------- Get syllabus
446: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
447: my $url_include_handler = sub {
448: my ($r, $field, $message, $group, $data_ref, $fields_ref, $target, $allowed, $display) = @_;
449: my %data = %{$data_ref};
450: my %fields = %{$fields_ref};
451: my $urls=$message;
452: $message='';
453: foreach my $filelink (split(/\n/,$urls)) {
454: my $output='';
455: # embed style?
456: my ($curfext)=($filelink=~/\.([^\.]+)$/);
457: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
458: if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) {# make ssi call and remove everything but the body contents
459: $output=&Apache::lonnet::ssi_body($filelink);
460: } elsif ($embstyle eq 'img') {# embed as an image
461: $output='<img src="'.$filelink.'" />';
462: }
463: if ($output ne '') {
464: if ($target ne 'tex') {
465: $message.='<p>'.$output.'</p>';
466: } else {
467: $message.=' '.&Apache::lonxml::xmlparse($r,'tex','<p>'.$output.'</p>').' ';
468: }
469: }
470: }
471: if ($allowed) {
472: &Apache::lonfeedback::newline_to_br(\$urls);
473: &Apache::lontemplate::print_start_template($r,$fields{$field}.
474: &Apache::loncommon::help_open_topic('Syllabus_URLs'),'LC_Box',
475: 'box_'.$field,$display);
476: $r->print($urls);
477: $r->print("<br /><div>");
478: &Apache::lontemplate::print_textarea_template($r, $data{$field},
479: $field, Apache::lontemplate->RICH_TEXT_ALWAYS_OFF);
480: &Apache::lontemplate::print_saveall_template($r);
481: $r->print("</div>");
482: &Apache::lontemplate::print_end_template($r);
483:
484: } else {
485: $r->print($message);
486: }
487: };
488: my %custom_hash = ( 'lll_includeurl' => $url_include_handler );
489: &Apache::lontemplate::print_template_fields($r, \%syllabus, \%syllabusfields,
490: $target, $allowed, Apache::lontemplate->RICH_TEXT_DETECT_HTML, \%custom_hash,
491: undef,\%displayfields,\%noshow);
492: if ($allowed) {
493: $r->print('</div></form>'.
494: &Apache::lonhtmlcommon::htmlareaselectactive());
495: }
496: } else {
497: if ($target ne 'tex') {$r->print('<p class="LC_info">');} else {$r->print('\par ');}
498: $r->print(&mt('No syllabus information provided.'));
499: if ($target ne 'tex') {$r->print('</p>');}
500: }
501: if ($target ne 'tex') {
502: if ($env{'form.backto'} eq 'coursecatalog') {
503: $r->print('<form name="backtocat" method="post" action="/adm/coursecatalog">'.
504: &Apache::lonhtmlcommon::echo_form_input(['backto','courseid']).
505: '</form>');
506: }
507: $r->print(&Apache::loncommon::end_page());
508: } else {
509: $r->print('\end{document}');
510: }
511: return OK;
512: }
513:
514: sub print_header {
515: my ($r,$cnum,$cdom,$crstype,$allowed,$forceedit,$syllabus,$syllabusfields) = @_;
516: return unless ((ref($syllabus) eq 'HASH') || (ref($syllabusfields) eq 'HASH'));
517: # ----------------------------------------------------------------- Make header
518: my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
519: my $js;
520: if ($env{'form.backto'} eq 'coursecatalog') {
521: $js .= <<"ENDSCRIPT";
522:
523: <script type="text/javascript">
524: // <![CDATA[
525:
526: function ToCatalog(caller) {
527: numidx = getIndexByName('coursenum');
528: if (numidx > -1) {
529: if (caller != 'details') {
530: document.backtocat.elements[numidx].value = '';
531: }
532: }
533: document.backtocat.submit();
534: }
535:
536: function getIndexByName(item) {
537: for (var i=0;i<document.backtocat.elements.length;i++) {
538: if (document.backtocat.elements[i].name == item) {
539: return i;
540: }
541: }
542: return -1;
543: }
544:
545: // ]]>
546: </script>
547:
548: ENDSCRIPT
549: }
550: if ($allowed && $forceedit) {
551: my $check_uncheck = &Apache::loncommon::check_uncheck_jscript();
552: my @fieldnames = sort(keys(%{$syllabusfields}));
553: unshift(@fieldnames,'000_showpeople','111_showrssfeeds');
554: my (@checked,@unchecked);
555: if ($syllabus->{'uploaded.fields'} eq 'none') {
556: my $lastidx = scalar(@fieldnames)-1;
557: @unchecked = (0..$lastidx);
558: } elsif ($syllabus->{'uploaded.fields'}) {
559: my %included;
560: map { $included{$_} = 1; } split(/,/,$syllabus->{'uploaded.fields'});
561: for (my $i=0; $i<@fieldnames; $i++) {
562: my ($prefix) = split(/_/,$fieldnames[$i]);
563: if ($included{$prefix}) {
564: push(@checked,$i);
565: } else {
566: push(@unchecked,$i);
567: }
568: }
569: } else {
570: @checked = (0,1);
571: for (my $i=2; $i<@fieldnames; $i++) {
572: if ($syllabus->{$fieldnames[$i]}) {
573: push(@checked,$i);
574: } else {
575: push(@unchecked,$i);
576: }
577: }
578: }
579: my $fieldstr = "var fields = new Array('".join("','",@fieldnames)."');";
580: my $checkedstr = "var include = new Array('".join("','",@checked)."');";
581: my $uncheckedstr = "var exclude = new Array('".join("','",@unchecked)."');";
582: my $invurl = &mt('Invalid URL');
583: &js_escape(\$invurl);
584: my $urlregexp = <<'ENDREGEXP';
585: /^([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
586: ENDREGEXP
587:
588: $js .= <<"ENDSCRIPT";
589:
590: <script type="text/javascript">
591: // <![CDATA[
592:
593: function toggleEditor(pick) {
594: var choices = new Array('template','minimal','url','file','templatebox');
595: for (var i=0; i<choices.length; i++) {
596: if (((choices[i] == 'templatebox') && (pick == 'template')) ||
597: (choices[i] == pick)) {
598: document.getElementById(choices[i]).style.display='block';
599: } else {
600: document.getElementById(choices[i]).style.display='none';
601: }
602: }
603: return;
604: }
605:
606: var regexp = $urlregexp;
607:
608: function extUrlPreview(caller) {
609: if (document.getElementById(caller)) {
610: var url = document.getElementById(caller).value;
611: if (regexp.test(url)) {
612: openMyModal(url,500,400,'yes');
613: } else {
614: alert("$invurl");
615: }
616: }
617: }
618:
619: function toggleBox(name,caller) {
620: if (name == 'all') {
621: if (document.syllabus.showfield.length > 0) {
622: for (var i=0; i<document.syllabus.showfield.length; i++) {
623: if (document.syllabus.showfield[i].checked) {
624: if (document.getElementById('box_'+document.syllabus.showfield[i].value)) {
625: document.getElementById('box_'+document.syllabus.showfield[i].value).style.display='block';
626: }
627: } else {
628: if (document.getElementById('box_'+document.syllabus.showfield[i].value)) {
629: document.getElementById('box_'+document.syllabus.showfield[i].value).style.display='none';
630: }
631: }
632: }
633: }
634: } else {
635: if (caller.checked) {
636: if (document.getElementById('box_'+caller.value)) {
637: document.getElementById('box_'+caller.value).style.display='block';
638: }
639: } else {
640: if (document.getElementById('box_'+caller.value)) {
641: document.getElementById('box_'+caller.value).style.display='none';
642: }
643: }
644: }
645: return;
646: }
647:
648: function setTemplateBoxes() {
649: $fieldstr
650: $checkedstr
651: $uncheckedstr
652: if (include.length > 0) {
653: for (var i=0; i<include.length; i++) {
654: if (document.getElementById('showfield_'+include[i])) {
655: document.getElementById('showfield_'+include[i]).checked = true;
656: if (document.getElementById('box_'+fields[include[i]])) {
657: document.getElementById('box_'+fields[include[i]]).style.display='block';
658: }
659: }
660: }
661: }
662: if (exclude.length > 0) {
663: for (var i=0; i<exclude.length; i++) {
664: if (document.getElementById('showfield_'+exclude[i])) {
665: document.getElementById('showfield_'+exclude[i]).checked = false;
666: if (document.getElementById('box_'+fields[exclude[i]])) {
667: document.getElementById('box_'+fields[exclude[i]]).style.display='none';
668: }
669: }
670: }
671: }
672: return;
673: }
674:
675: $check_uncheck
676:
677: // ]]>
678: </script>
679:
680: ENDSCRIPT
681: }
682: my $args = {'function' => undef,
683: 'domain' => $cdom};
684: my $forcereg;
685: if ($env{'form.register'}) {
686: $forcereg = 1;
687: $args->{'force_register'} = $forcereg;
688: }
689: if ($env{'form.backto'} eq 'coursecatalog') {
690: &Apache::lonhtmlcommon::clear_breadcrumbs();
691: my $brcrum = [{href=>"javascript:ToCatalog();",
692: text=>&mt('Course/Community Catalog'),
693: no_mt=>1}
694: ];
695: if ($env{'form.coursenum'} ne '') {
696: push(@{$brcrum},
697: {href=>"javascript:ToCatalog('details')",
698: text=>"Course details"});
699: }
700: push(@{$brcrum},
701: {href=>$r->uri,
702: text=>"Course syllabus"});
703: $args->{'bread_crumbs'} = $brcrum;
704: } else {
705: &get_breadcrumbs($cdom,$cnum,$crstype,$args);
706: }
707: if ($allowed) {
708: my %loaditem = (
709: onload => 'setTemplateBoxes();',
710: );
711: $args->{'add_entries'} = \%loaditem;
712: } else {
713: if ($env{'request.use_absolute'}) {
714: $args->{'use_absolute'} = $env{'request.use_absolute'};
715: }
716: }
717: if ($env{'form.only_body'}) {
718: $args->{'only_body'} = 1;
719: }
720: my $start_page =
721: &Apache::loncommon::start_page("Syllabus", $rss_link.$js,$args);
722: if ($start_page) {
723: $r->print($start_page);
724: }
725: }
726:
727: sub get_breadcrumbs{
728: my ($cdom,$cnum,$crstype,$args) = @_;
729: return unless (ref($args) eq 'HASH');
730: if ($env{'form.folderpath'} =~ /^supplemental/) {
731: my $title = $env{'form.title'};
732: if ($title eq '') {
733: $title = &mt('Syllabus');
734: }
735: my $brcrum =
736: &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
737: if (ref($brcrum) eq 'ARRAY') {
738: $args->{'bread_crumbs'} = $brcrum;
739: }
740: } else {
741: if ((&Apache::lonnet::is_on_map("public/$cdom/$cnum/syllabus"))
742: && (($env{'form.symb'}) || ($env{'form.register'}))) {
743: &Apache::lonhtmlcommon::clear_breadcrumbs();
744: } else {
745: $args->{'bread_crumbs'} = [
746: {'href' => "/public/$cdom/$cnum/syllabus",
747: 'text' => 'Syllabus'},
748: ];
749: }
750: }
751: return;
752: }
753:
754: sub chooser {
755: my ($external,$uploaded,$minimal,$cdom,$cnum,$lonhost,$fields,$values) = @_;
756: my %lt = &Apache::lonlocal::texthash(
757: 'type' => 'Syllabus Type',
758: 'url' => 'External URL',
759: 'file' => 'Uploaded file',
760: 'minimal' => 'Minimal template',
761: 'template' => 'Standard template',
762: 'templateboxes' => 'Choose template items ... ',
763: 'curr' => 'Current:',
764: 'rep' => 'Replace:',
765: 'upl' => 'Upload:',
766: 'pr' => 'Preview',
767: 'save' => 'Save',
768: 'sved' => 'Save and Edit',
769: 'chourl' => 'External URL',
770: 'chofile' => 'Uploaded syllabus file',
771: 'parse' => 'Upload embedded images/multimedia files if HTML file',
772: );
773: my %checked = (
774: file => '',
775: minimal => '',
776: url => '',
777: template => '',
778: );
779: my %display = (
780: file => 'none',
781: minimal => 'none',
782: url => 'none',
783: templatebox => 'none',
784: );
785: my $check = ' checked="checked" ';
786: if ($uploaded) {
787: $checked{'file'} = $check;
788: $display{'file'} = 'block';
789: } elsif ($external) {
790: $checked{'url'} = $check;
791: $display{'url'} = 'block';
792: } elsif ($minimal) {
793: $checked{'minimal'} = $check;
794: $display{'minimal'} = 'block';
795: } else {
796: $checked{'template'} = $check;
797: $checked{'templatebox'} = $check;
798: $display{'templatebox'} = 'block';
799: }
800:
801: my $output =
802: '<form name="syllabus" method="post" enctype="multipart/form-data" action="">'."\n".
803: '<input type="hidden" name="forceedit" value="1" />'."\n".
804: '<div class="LC_left_float"><fieldset><legend>'.$lt{'type'}.'</legend>';
805: foreach my $item ('minimal','template','url','file') {
806: $output .= '<label><input type="radio" name="choice" value="'.$item.'" '.$checked{$item}.' onclick="toggleEditor('."'$item'".')" />'.
807: $lt{$item}.'</label><br />';
808: }
809: $output .= '</fieldset></div>'."\n".
810: '<div id="url" class="LC_left_float" style="display: '.$display{'url'}.'">'."\n".
811: '<fieldset><legend>'.$lt{'chourl'}.'</legend><span class="LC_nobreak">'."\n".
812: '<a href="javascript:extUrlPreview('."'syllabusurl'".');">'.$lt{'pr'}.'</a></span> '."\n".
813: '<input type="text" id="syllabusurl" name="externalsyllabus" value="'.$external.'" size="55" />'."\n".
814: ' <input type="submit" name="storeurl" value="'.$lt{'save'}.'" />'."\n".
815: '</fieldset></div>'."\n".
816: '<div id="minimal" class="LC_left_float" style="display: '.$display{'minimal'}.'">'."\n".
817: '<fieldset><legend>'.$lt{'minimal'}.'</legend>';
818: if ($minimal) {
819: my ($absurl,$filename,$depbutton) = &syllabus_file_info($minimal,$cnum,$cdom,$lonhost,'minimal');
820: $output .= '<a href="javascript:extUrlPreview('."'currminimal'".');">'.$lt{'pr'}.'</a>'.
821: '<input type="hidden" name="minimalfile" value="'.&HTML::Entities::encode($absurl).'?inhibitmenu=yes" id="currminimal" />'.
822: $depbutton;
823: } else {
824: $output .= &mt('Title of Syllabus Page:').' '.
825: '<input type="text" id="minimaltitle" name="syllabustitle" value="'.&mt('Syllabus').'" size="30" />'."\n".
826: ' <input type="submit" name="storeminimal" value="'.$lt{'sved'}.'" />'."\n";
827: }
828: $output .= '</fieldset></div>'."\n".
829: '<div id="file" class="LC_left_float" style="display: '.$display{'file'}.'">'."\n".
830: '<fieldset><legend>'.$lt{'file'}.'</legend>';
831: if ($uploaded) {
832: my ($absurl,$filename,$depbutton) = &syllabus_file_info($uploaded,$cnum,$cdom,$lonhost,'file');
833: $output .= '<span class="LC_nobreak">'.$lt{'curr'}.' '.
834: '<input type="hidden" name="uploadedfile" value="'.&HTML::Entities::encode($absurl).'?inhibitmenu=yes" id="currfile" />'.
835: '<a href="javascript:extUrlPreview('."'currfile'".');">'.$filename.'</a></span>'.$depbutton.
836: '<br /><br />'.$lt{'rep'};
837: } else {
838: $output .= $lt{'upl'};
839: }
840: $output .= '<br />'."\n".
841: '<span class="LC_nobreak">'.
842: '<input type="file" name="syllabusfile" size="55" />'."\n".
843: ' <input type="submit" name="storefile" value="'.$lt{'save'}.'" />'.
844: '</span><br />'.
845: '<label>'.
846: '<input type="checkbox" name="parserflag" checked="checked" />'.
847: $lt{'parse'}.
848: '</label>'.
849: '</fieldset></div>'.
850: '<div id="templatebox" class="LC_left_float" style="display: '.
851: $display{'templatebox'}.';"><fieldset><legend>'.$lt{'templateboxes'}.
852: ' <input type="button" value="'.&mt('check all').'" '.
853: 'onclick="javascript:checkAll('."document.syllabus.showfield".');javascript:toggleBox('."'all'".');" />'.
854: (' 'x2).
855: '<input type="button" value="'.&mt('uncheck all').'" '.
856: 'onclick="javascript:uncheckAll('."document.syllabus.showfield".');javascript:toggleBox('."'all'".');" />'.
857: '</legend>'.
858: &fields_check_uncheck($fields,$values).
859: '</fieldset><br />'.
860: '<input type="submit" name="storesyl" value="'.&mt('Save All').'" />'.
861: '</div>';
862: $output .= '<div style="padding:0;clear:both;margin:0;border:0"></div>';
863: return $output;
864: }
865:
866: sub syllabus_file_info {
867: my ($item,$cnum,$cdom,$lonhost,$context) = @_;
868: my $protocol = $Apache::lonnet::protocol{$lonhost};
869: $protocol = 'http' if ($protocol ne 'https');
870: my $absurl = $protocol.'://'.&Apache::lonnet::hostname($lonhost).$item;
871: my ($filename) = ($item =~ m{([^/]+)$});
872: my $file=&Apache::lonnet::filelocation("",$item);
873: my ($depbutton,$filetype,$editable);
874: if ($file =~ /\.(xhtml|xml|tex|html|htm)$/) {
875: $filetype=$1;
876: }
877: if ($filetype) {
878: unless ($filetype eq 'tex') {
879: $filetype='html';
880: }
881: }
882: if ($filetype eq 'html') {
883: my $filecontents=&Apache::lonnet::getfile($file);
884: unless ($filecontents eq -1) {
885: my $mm = new File::MMagic;
886: my $mimetype = $mm->checktype_contents($filecontents);
887: if ($mimetype eq 'text/html') {
888: my (%codebase,%allfiles);
889: my $parse_result = &Apache::lonnet::extract_embedded_items($item,\%allfiles,
890: \%codebase,\$filecontents);
891: my $actionurl = "/public/$cdom/$cnum/syllabus";
892: my ($ignore,$num,$numpathchanges,$existing,$mapping) =
893: &Apache::loncommon::ask_for_embedded_content($actionurl,undef,\%allfiles,
894: \%codebase,
895: {'context' => 'rewrites',
896: 'ignore_remote_references' => 1,});
897: $editable = 1;
898: }
899: }
900: }
901: $depbutton = (' ' x 3).
902: &editfile_button($item,$context,$editable).
903: &editbutton_js();
904: return ($absurl,$filename,$depbutton);
905: }
906:
907: sub fields_check_uncheck {
908: my ($fields,$values) = @_;
909: return unless ((ref($fields) eq 'HASH') && (ref($values) eq 'HASH'));
910: my $numinrow = 4;
911: my $table;
912: my @fieldnames = sort(keys(%{$fields}));
913: unshift(@fieldnames,'000_showpeople','111_showrssfeeds');
914: my $numfields = scalar(@fieldnames);
915: my %included;
916: if (($values->{'uploaded.fields'}) && ($values->{'uploaded.fields'} ne 'none')) {
917: map { $included{$_} = 1; } split(/,/,$values->{'uploaded.fields'});
918: }
919: for (my $i=0; $i<$numfields; $i++) {
920: my ($name,$checked);
921: if ($fieldnames[$i] eq '000_showpeople') {
922: $name = &mt('Personnel');
923: } elsif ($fieldnames[$i] eq '111_showrssfeeds') {
924: $name = &mt('RSS Feeds and Blogs');
925: } else {
926: $name = $fields->{$fieldnames[$i]};
927: }
928: if ($values->{'uploaded.fields'}) {
929: unless ($values->{'uploaded.fields'} eq 'none') {
930: my ($prefix) = split(/_/,$fieldnames[$i]);
931: if ($included{$prefix}) {
932: $checked = ' checked="checked"';
933: }
934: }
935: } else {
936: if ($fieldnames[$i] eq '000_showpeople') {
937: $checked = ' checked="checked"';
938: } elsif ($fieldnames[$i] eq '111_showrssfeeds') {
939: $checked = ' checked="checked"';
940: } else {
941: if ($values->{$fieldnames[$i]} ne '') {
942: $checked = ' checked="checked"';
943: }
944: }
945: }
946: my $rem = $i%($numinrow);
947: if ($rem == 0) {
948: if (($i > 0) && ($i < $numfields)) {
949: $table .= '</tr>';
950: }
951: if ($i < $numfields) {
952: $table .= '<tr>';
953: }
954: }
955: if ($i == $numfields-1) {
956: my $rem = $numfields%($numinrow);
957: my $colsleft = $numinrow - $rem;
958: if ($colsleft > 1) {
959: $table .= '<td colspan="'.$colsleft.'">';
960: } else {
961: $table .= '</td>';
962: }
963: } else {
964: $table .= '<td>';
965: }
966: $table .=
967: '<label><input type="checkbox" name="showfield" value="'.$fieldnames[$i].'" '.
968: $checked.' id="showfield_'.$i.'" onclick="javascript:toggleBox('."'$fieldnames[$i]',this".');" />'.
969: $name.'</label></td>'."\n";
970: }
971: if ($table ne '') {
972: my $rem = $numfields%($numinrow);
973: my $colsleft = $numinrow - $rem;
974: if ($colsleft > 1 ) {
975: $table .= '<td colspan="'.$colsleft.'"> </td>';
976: } elsif ($colsleft == 1) {
977: $table .= '<td> </td>';
978: }
979: $table = '<table>'.$table.'</tr></table>';
980: }
981: return $table;
982: }
983:
984: sub get_personnel {
985: my ($r,$target,$cdom,$cnum,$allowed,$crstype,$syllabus) = @_;
986: my (%hiddenroles,%hiddenusers);
987: if (ref($syllabus) eq 'HASH') {
988: if (ref($syllabus->{'personnel'}) eq 'HASH') {
989: if ($syllabus->{'personnel'}{'hiderole'}) {
990: map { $hiddenroles{$_} = 1; } split(/,/,$syllabus->{'personnel'}{'hiderole'});
991: }
992: if ($syllabus->{'personnel'}{'hideuser'}) {
993: map { $hiddenusers{$_} = 1; } split(/,/,$syllabus->{'personnel'}{'hideuser'});
994: }
995: }
996: }
997: my $output;
998: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum,1);
999: if ($target ne 'tex') {
1000: if ($allowed) {
1001: $r->print(&Apache::loncommon::start_data_table().
1002: &Apache::loncommon::start_data_table_header_row().
1003: '<th>'.&mt('Role hidden?').'</th><th>'.&mt('Role').'</th>'.
1004: '<th>'.&mt('Personnel (hidden if checked)').'</th>'.
1005: &Apache::loncommon::end_data_table_header_row());
1006: } else {
1007: $r->print(&Apache::lonhtmlcommon::start_pick_box());
1008: }
1009: } else {
1010: $r->print('\begin{tabular}{|p{0.45\textwidth}|p{0.45\textwidth}|}\hline');
1011: }
1012: my @personnel=sort(keys(%coursepersonnel));
1013: my $lastpers=$personnel[$#personnel];
1014: foreach my $element (@personnel) {
1015: unless ($allowed) {
1016: next if ($hiddenroles{$element})
1017: }
1018: my ($role,$sec);
1019: if ($element =~ /:/) {
1020: ($role,$sec) = split(/:/,$element);
1021: } else {
1022: $role = $element;
1023: }
1024: my $roletext = &Apache::lonnet::plaintext($role,$crstype);
1025: if ($sec) {
1026: $roletext .=' ('.&Apache::lonlocal::mt('Section [_1]',$sec).')';
1027: }
1028: if ($target ne 'tex') {
1029: if ($allowed) {
1030: my $checked;
1031: if ($hiddenroles{$element}) {
1032: $checked = ' checked="checked"';
1033: }
1034: $r->print(&Apache::loncommon::start_data_table_row().
1035: '<td>'.
1036: '<input type="checkbox" name="hiderole" value="'.$element.'" '.
1037: $checked.' />'.
1038: '</td><td>'.$roletext.'</td><td>');
1039: } else {
1040: $r->print(&Apache::lonhtmlcommon::row_title($roletext));
1041: }
1042: } else {
1043: $r->print(' '.&Apache::lonxml::xmlparse($r,'tex',$roletext).' & ');
1044: }
1045: my @coursepersonlist;
1046: foreach my $user (split(/\,/,$coursepersonnel{$element})) {
1047: my ($puname,$pudom)=split(/\:/,$user);
1048: if ($target ne 'tex') {
1049: my $courseperson = &Apache::loncommon::plainname($puname,$pudom);
1050: my $checked;
1051: if ($hiddenusers{$element.'&'.$puname.':'.$pudom}) {
1052: $checked = ' checked="checked"';
1053: }
1054: if ($allowed) {
1055: my $item = '<span class="LC_nobreak"><label>'.
1056: '<input type="checkbox" name="hideuser" value="'.$element.'&'.$puname.':'.$pudom.'"'.$checked.' />'.
1057: &Apache::loncommon::aboutmewrapper($courseperson
1058: ,
1059: $puname,$pudom).
1060: '</label>'.(' 'x2).'</span> ';
1061: push(@coursepersonlist,$item);
1062:
1063: } else {
1064: next if ($hiddenusers{$element.'&'.$puname.':'.$pudom});
1065: if (($env{'user.name'} eq '') || ($env{'user.name'} eq 'public') ||
1066: ($env{'user.domain'} eq '') || ($env{'user.domain'} eq 'public')) {
1067: push(@coursepersonlist,$courseperson);
1068: } else {
1069: push(@coursepersonlist,&Apache::loncommon::aboutmewrapper($courseperson,
1070: $puname,$pudom));
1071: }
1072: }
1073: } else {
1074: push(@coursepersonlist,&Apache::loncommon::plainname($puname,
1075: $pudom).' ');
1076: }
1077: }
1078: if ($allowed) {
1079: $r->print(join('',@coursepersonlist));
1080: } else {
1081: $r->print(join(', ',@coursepersonlist));
1082: }
1083: if ($target ne 'tex') {
1084: if ($allowed) {
1085: $r->print('</td>'.&Apache::loncommon::end_data_table_row());
1086: } else {
1087: my $lastclose=$element eq $lastpers?1:0;
1088: $r->print(&Apache::lonhtmlcommon::row_closure($lastclose));
1089: }
1090: } else {
1091: $r->print('\\\\ \hline');
1092: }
1093: }
1094: if ($target ne 'tex') {
1095: if ($allowed) {
1096: $r->print(&Apache::loncommon::end_data_table());
1097: } else {
1098: $r->print(&Apache::lonhtmlcommon::end_pick_box());
1099: }
1100: } else {
1101: $r->print('\end{tabular}\\\\');
1102: }
1103: return;
1104: }
1105:
1106: sub save_changes {
1107: my ($cnum,$cdom,$uploaded,$external,$minimal,$syllabus,$syllabusfields,$courseenv) = @_;
1108: my ($earlyout,$output);
1109: unless ((ref($syllabus) eq 'HASH') && (ref($syllabusfields) eq 'HASH') ||
1110: (ref($courseenv) eq 'HASH')) {
1111: return ($earlyout,$uploaded,$external,$minimal,$output);
1112: }
1113: if (($env{'form.deleteuploaded_file'}) || ($env{'form.deleteuploaded_minimal'})) {
1114: my %storehash;
1115: if (($env{'form.choice'} eq 'file') &&
1116: ($env{'form.deleteuploaded_file'}) && ($uploaded =~ /\w/)) {
1117: if ($courseenv->{'uploadedsyllabus'} =~ m{^\Q/uploaded/$cdom/$cnum/portfolio\E(/syllabus/.+)$}) {
1118: my $filename = $1;
1119: &update_access_permissions($cdom,$cnum,$filename);
1120: }
1121: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.uploadedsyllabus');
1122: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.externalsyllabus');
1123: $storehash{'uploadedsyllabus'} = '';
1124: $storehash{'externalsyllabus'} = '';
1125: my $putres = &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1126: undef($uploaded);
1127: undef($external);
1128: } elsif (($env{'form.choice'} eq 'minimal') &&
1129: ($env{'form.deleteuploaded_minimal'}) && ($minimal =~ /\w/)) {
1130: my $minimalurl = "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html";
1131: if ($courseenv->{'minimalsyllabus'} eq "$minimalurl") {
1132: my $filecontents=&Apache::lonnet::getfile(&Apache::lonnet::filelocation("",$minimalurl));
1133: unless ($filecontents eq -1) {
1134: $env{'form.output'} = $filecontents;
1135: &Apache::lonnet::finishuserfileupload($cnum,$cdom,'output',
1136: 'portfolio/syllabus/loncapa.html.bak');
1137: $minimalurl = &default_minimal_syllabus($cnum,$cdom);
1138: }
1139: }
1140: &update_access_permissions($cdom,$cnum,'/syllabus/loncapa.html');
1141: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.externalsyllabus');
1142: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.minimalsyllabus');
1143: $storehash{'externalsyllabus'} = '';
1144: $storehash{'minimalsyllabus'} = '';
1145: my $putres = &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1146: undef($external);
1147: undef($minimal);
1148: }
1149: } elsif ($env{'form.choice'} eq 'template') {
1150: #store what the user typed in to the template
1151: my @shown = &Apache::loncommon::get_env_multiple('form.showfield');
1152: $syllabus->{'uploaded.fields'} = '';
1153: if (@shown == 0) {
1154: $syllabus->{'uploaded.fields'} = 'none';
1155: } else {
1156: foreach my $field (sort(@shown)) {
1157: if (($field eq '000_showpeople') ||
1158: ($field eq '111_showrssfeeds') ||
1159: ($syllabusfields->{$field})) {
1160: my ($prefix) = split(/_/,$field);
1161: $syllabus->{'uploaded.fields'} .= $prefix.',';
1162: }
1163: if ($field eq '000_showpeople') {
1164: my @hideusers = &Apache::loncommon::get_env_multiple('form.hideuser');
1165: my @hideroles = &Apache::loncommon::get_env_multiple('form.hiderole');
1166: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum,1);
1167: my %personnel;
1168: foreach my $key (keys(%coursepersonnel)) {
1169: map { $personnel{$key}{$_} = 1; } split(/,/,$coursepersonnel{$key});
1170: }
1171: %{$syllabus->{'personnel'}} = ();
1172: $syllabus->{'personnel'}{'hideuser'} = '';
1173: $syllabus->{'personnel'}{'hiderole'} = '';
1174: foreach my $role (@hideroles) {
1175: if (exists($personnel{$role})) {
1176: $syllabus->{'personnel'}{'hiderole'} .= $role.',';
1177: }
1178: }
1179: foreach my $item (@hideusers) {
1180: my ($role,$user) = split(/\&/,$item);
1181: if (ref($personnel{$role}) eq 'HASH') {
1182: if ($personnel{$role}{$user}) {
1183: $syllabus->{'personnel'}{'hideuser'} .= $item.',';
1184: }
1185: }
1186: }
1187: $syllabus->{'personnel'}{'hideuser'} =~ s/,$//;
1188: $syllabus->{'personnel'}{'hiderole'} =~ s/,$//;
1189: }
1190: }
1191: $syllabus->{'uploaded.fields'} =~ s/,$//;
1192: }
1193: foreach my $syl_field (keys(%{$syllabusfields})) {
1194: my $field=$env{'form.'.$syl_field};
1195: chomp($field);
1196: my $gateway = Apache::lonhtmlgateway->new();
1197: $field = $gateway->process_incoming_html($field,1);
1198: #here it will be stored
1199: $syllabus->{$syl_field}=$field;
1200: if ($syl_field eq 'lll_includeurl') { # clean up included URLs
1201: my $field='';
1202: foreach my $value (split(/\n/,$syllabus->{$syl_field})) {
1203: my $url=$value;
1204: # get rid of leading and trailing spaces
1205: $url=~s/^\s+//;
1206: $url=~s/\s+$//;
1207: if ($url=~m|^https?\://([^/]+)/(.+)$|) {
1208: my $host = $1;
1209: my $remainder=$2;
1210: # remove the hostname from internal URLs
1211: my $hostname = &Apache::lonnet::hostname($host);
1212: my %all_hostnames = &Apache::lonnet::all_hostnames();
1213: foreach my $possible_host (keys(%all_hostnames)) {
1214: if ($possible_host =~ /\Q$hostname\E/i) {
1215: $url=$remainder;
1216: }
1217: }
1218: }
1219: # norm internal URLs
1220: unless ($url=~/^https?\:/) {
1221: $url=&Apache::lonnet::clutter($url);
1222: }
1223: # re-assemble field
1224: if ($url) {
1225: $field.=$url."\n";
1226: }
1227: }
1228: $syllabus->{$syl_field}=$field;
1229: }
1230: }
1231: my $now = time;
1232: $syllabus->{'uploaded.domain'}=$env{'user.domain'};
1233: $syllabus->{'uploaded.name'}=$env{'user.name'};
1234: $syllabus->{'uploaded.lastmodified'} = $now;
1235: my $putres = &Apache::lonnet::put('syllabus',$syllabus,$cdom,$cnum);
1236: if ($putres eq 'ok') {
1237: ($uploaded,$minimal,$external) =
1238: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1239: $minimal,$external);
1240: $output = '<div>'.
1241: &Apache::lonhtmlcommon::confirm_success(&mt('Template saved.')).
1242: '</div>';
1243: } else {
1244: $output = '<div class="LC_error">'.
1245: &mt('An error occurred storing the template: [_1]',$putres).
1246: '</div>';
1247: }
1248: } elsif ($env{'form.choice'} eq 'url') {
1249: if ($env{'form.externalsyllabus'} =~ m{^https?://}) {
1250: if ($env{'form.externalsyllabus'} eq $external) {
1251: $output = '<div class="LC_info">'.
1252: &mt('External URL unchanged.').
1253: '</div>';
1254: ($uploaded,$minimal,$external) =
1255: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1256: $minimal,$external);
1257: } else {
1258: $external=$env{'form.externalsyllabus'};
1259: $external =~ s/(`)//g;
1260: my $putres =
1261: &Apache::lonnet::put('environment',{externalsyllabus=>$external},
1262: $cdom,$cnum);
1263: if ($putres eq 'ok') {
1264: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.externalsyllabus' => $external});
1265: $output = '<div>'.
1266: &Apache::lonhtmlcommon::confirm_success(&mt('External URL saved.')).
1267: '</div>';
1268: ($uploaded,$minimal,$external) =
1269: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1270: $minimal,$external);
1271: } else {
1272: $output = '<div class="LC_error">'.
1273: &mt('An error occurred storing the external URL: [_1]',$putres).
1274: '</div>';
1275: }
1276: }
1277: } else {
1278: $output = '<div class="LC_error">'.
1279: &mt('External URL not saved -- invalid URL.').
1280: '</div>';
1281: }
1282: } elsif (($env{'form.choice'} eq 'file') || ($env{'form.choice'} eq 'minimal')) {
1283: # Process file upload - phase one - upload and parse primary file.
1284: my ($upload_result,$uploadphase,$url,$needlink,$error,$errormsg);
1285: if ($env{'form.choice'} eq 'file') {
1286: if ($env{'form.syllabusfile.filename'}) {
1287: my %allfiles = ();
1288: my %codebase = ();
1289: ($url,$needlink) = &process_upload(\$output,$cnum,$cdom,
1290: \%allfiles,\%codebase);
1291: } else {
1292: $output = '<div class="LC_info">'.
1293: &mt('No file uploaded').
1294: '</div>';
1295: }
1296: } elsif ($env{'form.choice'} eq 'minimal') {
1297: $url = "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html";
1298: my $filecontents=&Apache::lonnet::getfile(&Apache::lonnet::filelocation("",$url));
1299: if ($filecontents eq -1) {
1300: $url = &default_minimal_syllabus($cnum,$cdom);
1301: }
1302: }
1303: if ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E.*/[^/]+$}) {
1304: my $exturl = &home_http_host($cdom,$cnum);
1305: if ($exturl) {
1306: $exturl .= $url;
1307: }
1308: my %storehash;
1309: if ($env{'form.choice'} eq 'minimal') {
1310: $storehash{'minimalsyllabus'} = $url;
1311: } else {
1312: $storehash{'uploadedsyllabus'} = $url;
1313: }
1314: if ($exturl) {
1315: $storehash{'externalsyllabus'} = $exturl;
1316: if ($exturl =~ /\.(html?|txt|js|css)$/) {
1317: $exturl .= '?inhibitmenu=yes';
1318: }
1319: } else {
1320: $storehash{'externalsyllabus'} = '',
1321: }
1322: my $putres =
1323: &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1324: if ($putres eq 'ok') {
1325: &Apache::lonnet::make_public_indefinitely($url);
1326: foreach my $key (keys(%storehash)) {
1327: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.'.$key => $storehash{$key}});
1328: }
1329: if ($env{'form.choice'} eq 'minimal') {
1330: $minimal = $url;
1331: } else {
1332: $uploaded = $url;
1333: }
1334: if ($needlink) {
1335: $output .= &return_to_editor($cdom,$cnum);
1336: $earlyout = 1;
1337: }
1338: ($uploaded,$minimal,$external) =
1339: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1340: $minimal,$external);
1341: } else {
1342: $error = 1;
1343: $errormsg = $putres;
1344: }
1345: } else {
1346: $error = 1;
1347: }
1348: if ($error) {
1349: $output = '<div class="LC_error">';
1350: if ($env{'form.choice'} eq 'minimal') {
1351: $output = &mt('An error occurred creating the minimal template file [_1]',$errormsg);
1352: } else {
1353: $output = &mt('An error occurred storing the uploaded file [_1]',$errormsg);
1354: }
1355: $output .= '</div>';
1356: }
1357: } elsif ($env{'form.phase'} eq 'upload_embedded') {
1358: # Process file upload - phase two - upload embedded objects
1359: my $uploadphase = 'check_embedded';
1360: my $primaryurl = &HTML::Entities::encode($env{'form.primaryurl'},'<>&"');
1361: my $state = &embedded_form_elems($uploadphase,$primaryurl);
1362: my $url_root = '/uploaded/'.$cdom.'/'.$cnum;
1363: my $actionurl = "/public/$cdom/$cnum/syllabus";
1364: my ($result,$flag,$numpathchgs) =
1365: &Apache::loncommon::upload_embedded('syllabus','portfolio/syllabus',
1366: $cnum,$cdom,'/userfiles',$url_root,undef,undef,undef,$state,
1367: $actionurl);
1368: unless ($numpathchgs) {
1369: my $modres =
1370: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1371: $cnum,$cdom,
1372: '/userfiles',$env{'form.primaryurl'});
1373: $result .= $modres;
1374: }
1375: $output = $result.&return_to_editor($cdom,$cnum);
1376: $earlyout = 1;
1377: } elsif ($env{'form.phase'} eq 'check_embedded') {
1378: # Process file upload - phase three - modify references in HTML file
1379: my $uploadphase = 'modified_orightml';
1380: my $result =
1381: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1382: $cnum,$cdom,
1383: '/userfiles',$env{'form.primaryurl'});
1384: $output = $result.&return_to_editor($cdom,$cnum);
1385: $earlyout = 1;
1386: }
1387: return ($earlyout,$uploaded,$external,$minimal,$output);
1388: }
1389:
1390: sub default_minimal_syllabus {
1391: my ($cnum,$cdom) = @_;
1392: my $title;
1393: if ($env{'form.syllabustitle'}) {
1394: $title = $env{'form.syllabustitle'};
1395: $title =~ s{`}{}g;
1396: $title=~s/^\s+//;
1397: $title=~s/\s+$//;
1398: }
1399: if ($title eq '') {
1400: $title = &mt('Syllabus');
1401: }
1402: my $initialtext = &mt('Replace with your own content.');
1403: my $newhtml = <<END;
1404: <html>
1405: <head>
1406: <title>$title</title>
1407: </head>
1408: <body bgcolor="#ffffff">
1409: <h2>$title</h2>
1410: $initialtext
1411: </body>
1412: </html>
1413: END
1414: $env{'form.output'}=$newhtml;
1415: return &Apache::lonnet::finishuserfileupload($cnum,$cdom,'output',
1416: 'portfolio/syllabus/loncapa.html');
1417: }
1418:
1419: sub update_syllabus_env {
1420: my ($cdom,$cnum,$courseenv,$saved,$uploaded,$minimal,$external) = @_;
1421: return ($uploaded,$minimal,$external) unless(ref($courseenv) eq 'HASH');
1422: my $now = time;
1423: my (@envkeys,%storehash);
1424: if ($saved eq 'template') {
1425: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1426: push(@envkeys,'uploaded');
1427: }
1428: if ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1429: push(@envkeys,'minimal');
1430: }
1431: if ($external || $env{'course.'.$env{'request.course.id'}.'.externalsyllabus'}) {
1432: push(@envkeys,'external');
1433: }
1434: $storehash{'updatedsyllabus'} = $now;
1435: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.updatedsyllabus' => $now
1436: });
1437: } elsif ($saved eq 'url') {
1438: my $prefix = &home_http_host($cdom,$cnum);
1439: if ($external =~ m{^\Q$prefix/uploaded/$cdom/$cnum/portfolio/syllabus/\E(.+)$}) {
1440: my $file = $1;
1441: if ($file eq 'loncapa.html') {
1442: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1443: push(@envkeys,'uploaded');
1444: }
1445: } elsif ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1446: push(@envkeys,'minimal');
1447: }
1448: } else {
1449: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1450: push(@envkeys,'uploaded');
1451: }
1452: if ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1453: push(@envkeys,'minimal');
1454: }
1455: }
1456: } elsif ($saved eq 'file') {
1457: if ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1458: push(@envkeys,'minimal');
1459: }
1460: } elsif ($saved eq 'minimal') {
1461: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1462: push(@envkeys,'uploaded');
1463: }
1464: }
1465: if (@envkeys > 0) {
1466: foreach my $item (@envkeys) {
1467: my $key = $item.'syllabus';
1468: if ($courseenv->{$key} ne '') {
1469: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.'.$key);
1470: if ($item eq 'minimal') {
1471: &update_access_permissions($cdom,$cnum,'/syllabus/loncapa.html');
1472: } elsif ($item eq 'uploaded') {
1473: if ($courseenv->{$key} =~ m{^\Q/uploaded/$cdom/$cnum/portfolio\E(/syllabus/.+)$}) {
1474: my $filename = $1;
1475: &update_access_permissions($cdom,$cnum,$filename);
1476: }
1477: }
1478: $storehash{$key} = '';
1479: } elsif ($env{'course.'.$env{'request.course.id'}.'.'.$key} ne '') {
1480: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.'.$key);
1481: }
1482: if ($item eq 'uploaded') {
1483: undef($uploaded);
1484: }
1485: if ($item eq 'external') {
1486: undef($external);
1487: }
1488: if ($item eq 'minimal') {
1489: undef($minimal);
1490: }
1491: }
1492: }
1493: if (keys(%storehash) > 0) {
1494: &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1495: }
1496: return ($uploaded,$minimal,$external);
1497: }
1498:
1499: sub update_access_permissions {
1500: my ($cdom,$cnum,$file_name) = @_;
1501: my $current_permissions = &Apache::lonnet::get_portfile_permissions($cdom,$cnum);
1502: my %access_controls =
1503: &Apache::lonnet::get_access_controls($current_permissions,'',$file_name);
1504: if (keys(%access_controls) > 0) {
1505: my %changes;
1506: foreach my $key (keys(%{$access_controls{$file_name}})) {
1507: $changes{'delete'}{$key} = 1;
1508: }
1509: if (keys(%changes) > 0) {
1510: my ($outcome,$deloutcome,$new_values,$translation) =
1511: &Apache::lonnet::modify_access_controls($file_name,\%changes,
1512: $cdom,$cnum);
1513: }
1514: }
1515: return;
1516: }
1517:
1518: sub home_http_host {
1519: my ($cdom,$cnum) = @_;
1520: my $home=&Apache::lonnet::homeserver($cnum,$cdom);
1521: if ($home ne 'no_host') {
1522: my $protocol = $Apache::lonnet::protocol{$home};
1523: $protocol = 'http' if ($protocol ne 'https');
1524: return $protocol.'://'.&Apache::lonnet::hostname($home);
1525: }
1526: return;
1527: }
1528:
1529: sub process_upload {
1530: my ($upload_output,$cnum,$cdom,$allfiles,$codebase) = @_;
1531: my ($parseaction,$showupload,$mimetype);
1532: my $dest = 'portfolio/syllabus';
1533: if ($env{'form.parserflag'}) {
1534: $parseaction = 'parse';
1535: }
1536: my $url=&Apache::lonnet::userfileupload('syllabusfile','syllabus',$dest,
1537: $parseaction,$allfiles,
1538: $codebase,undef,undef,undef,undef,
1539: undef,undef,\$mimetype);
1540: if ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E.*/([^/]+)$}) {
1541: my $stored = $1;
1542: $showupload = '<p>'.&mt('Uploaded [_1]',
1543: '<span class="LC_filename">'.$stored.'</span>').
1544: '</p>';
1545: } else {
1546: my ($filename) = ($env{'form.syllabusfile.filename'} =~ m{([^/]+)$});
1547: $$upload_output = '<div class="LC_error" id="uploadfileresult">'.
1548: &mt('Unable to save file [_1].',
1549: '<span class="LC_filename">'.$filename.'</span>').
1550: '</div>';
1551: return ();
1552: }
1553: my $needlink;
1554: if (($parseaction eq 'parse') && ($mimetype eq 'text/html')) {
1555: $$upload_output = $showupload;
1556: my $total_embedded = scalar(keys(%{$allfiles}));
1557: if ($total_embedded > 0) {
1558: my $uploadphase = 'upload_embedded';
1559: my $primaryurl = &HTML::Entities::encode($url,'<>&"');
1560: my $state = &embedded_form_elems($uploadphase,$primaryurl);
1561: my $actionurl = "/public/$cdom/$cnum/syllabus";
1562: my ($embedded,$num,$numpathchanges,$existing);
1563: ($embedded,$num,$numpathchanges,$existing) =
1564: &Apache::loncommon::ask_for_embedded_content($actionurl,$state,
1565: $allfiles,$codebase,
1566: {'error_on_invalid_names' => 1,
1567: 'ignore_remote_references' => 1,});
1568: if ($embedded) {
1569: $needlink = 1;
1570: if ($num) {
1571: $$upload_output .=
1572: '<p>'.&mt('This file contains embedded multimedia objects, which need to be uploaded.').'</p>'.$embedded;
1573: } elsif ($numpathchanges) {
1574: $$upload_output .= $embedded;
1575: } else {
1576: $$upload_output .= $embedded;
1577: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1578: $cnum,$cdom,'/userfiles',$url);
1579: }
1580: } else {
1581: $$upload_output .= &mt('Embedded item(s) already present, so no additional upload(s) required').'<br />';
1582: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1583: $cnum,$cdom,'/userfiles',$url);
1584:
1585: }
1586: } else {
1587: $$upload_output .= &mt('No embedded items identified').'<br />';
1588: }
1589: $$upload_output = '<div id="uploadfileresult">'.$$upload_output.'</div>';
1590: }
1591: return ($url,$needlink);
1592: }
1593:
1594: sub embedded_form_elems {
1595: my ($phase,$primaryurl) = @_;
1596: return <<STATE;
1597: <input type="hidden" name="forceedit" value="1" />
1598: <input type="hidden" name="cmd" value="upload_embedded" />
1599: <input type="hidden" name="phase" value="$phase" />
1600: <input type="hidden" name="primaryurl" value="$primaryurl" />
1601: STATE
1602: }
1603:
1604: sub return_to_editor {
1605: my ($cdom,$cnum) = @_;
1606: my $actionurl = "/public/$cdom/$cnum/syllabus";
1607: return '<p><form name="backtoeditor" method="post" action="'.$actionurl.'" />'.
1608: '<input type="hidden" name="forceedit" value="1" />'."\n".
1609: '<a href="javascript:document.backtoeditor.submit();">'.&mt('Return to Editor').
1610: '</a></p>';
1611: }
1612:
1613: sub editfile_button {
1614: my ($url,$context,$editable) = @_;
1615: my $edittext=&mt('Edit');
1616: my $deltext=&mt('Delete');
1617: my $output;
1618: if ($editable) {
1619: $output = '
1620: <input type="button" value="'.$edittext.'" onclick="javascript:gotoeditor('."'$url'".');" name="edit_'.$context.'" />
1621: ';
1622: }
1623: $output .= '
1624: <input type="button" value="'.$deltext.'" onclick="javascript:dodelete('."'$context'".');" name="del_'.$context.'" />
1625: <input type="hidden" value="" name="deleteuploaded_'.$context.'" id="deleteuploaded_'.$context.'" />
1626: ';
1627: return $output;
1628: }
1629:
1630: sub editbutton_js {
1631: my %js_lt = &Apache::lonlocal::texthash(
1632: min => 'Are you sure you want to delete the contents of the syllabus template?',
1633: file => 'Are you sure you want to delete the uploaded syllabus file?',
1634: noundo => 'This action cannot be reversed.'
1635: );
1636: &js_escape(\%js_lt);
1637: return <<ENDJS;
1638: <script type="text/javascript">
1639: // <![CDATA[
1640: function gotoeditor(url) {
1641: document.location.href = url+'?editmode=1&forceedit=1';
1642: }
1643: function dodelete(caller,url) {
1644: if (document.getElementById('deleteuploaded_'+caller)) {
1645: document.getElementById('deleteuploaded_'+caller).value=1;
1646: if (caller == 'minimal') {
1647: if (confirm("$js_lt{'min'}"+"\\n"+"$js_lt{'noundo'}")) {
1648: document.syllabus.submit();
1649: }
1650: }
1651: if (caller == 'file') {
1652: if (confirm("$js_lt{'file'}"+"\\n"+"$js_lt{'noundo'}")) {
1653: document.syllabus.submit();
1654: }
1655: }
1656: }
1657: return;
1658: }
1659: // ]]>
1660: </script>
1661: ENDJS
1662: }
1663:
1664: 1;
1665: __END__
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