1: # The LearningOnline Network
2: # Syllabus
3: #
4: # $Id: lonsyllabus.pm,v 1.155 2024/01/25 22:23:32 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 Apache::lonwrapper();
44: use HTML::Entities();
45:
46: sub handler {
47: my $r = shift;
48: &Apache::loncommon::content_type($r,'text/html');
49: $r->send_http_header;
50: return OK if $r->header_only;
51:
52: my $target=$env{'form.grade_target'};
53: # --------------------------------------------------- Get course info from URL
54: my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
55: # ------------------------------------------------------------ Get query string
56: &Apache::loncommon::get_unprocessed_cgi
57: ($ENV{'QUERY_STRING'},['register','forceedit','todocs',
58: 'folderpath','title','only_body']);
59: # ----------------------------------------------------- Is this even a course?
60: my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom);
61: if ($homeserver eq 'no_host') {
62: &Apache::loncommon::content_type($r,'text/html');
63: $r->send_http_header;
64: &Apache::loncommon::simple_error_page($r,'No syllabus available',
65: 'No syllabus available');
66: return OK;
67: } elsif (!&Apache::lonnet::is_course($cdom,$cnum)) {
68: &Apache::loncommon::content_type($r,'text/html');
69: $r->send_http_header;
70: &Apache::loncommon::simple_error_page($r,'No syllabus available',
71: 'The course/community for which the syllabus was requested does not exist.');
72: return OK;
73: }
74: # ------------------------------------- There is such a course, get environment
75: my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
76: my $crstype = &Apache::loncommon::course_type();
77:
78: # --------------------------------------------------------------- Force Student
79: my ($forceedit,$forcestudent);
80: if ($env{'form.forceedit'}) { $forceedit=1; }
81: if (!$forceedit) {
82: $forcestudent=1;
83: }
84:
85: # --------------------------------------------------------------- Check Privileges
86: my $allowed = 0;
87: if ($env{'user.environment'}) {
88: # does this user have privileges to post, etc?
89: if ($env{'request.course.id'}
90: && $cdom eq $env{'course.'.$env{'request.course.id'}.'.domain'}
91: && $cnum eq $env{'course.'.$env{'request.course.id'}.'.num'}) {
92: $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
93: if ($forcestudent or $target eq 'tex') { $allowed=0; }
94: }
95: }
96:
97: # -------------------------------------------------- Let's see who handles this
98: my $external=$courseenv{'externalsyllabus'};
99: my $uploaded=$courseenv{'uploadedsyllabus'};
100: my $minimal=$courseenv{'minimalsyllabus'};
101:
102: if (($minimal =~/\w/) || ($uploaded =~/\w/)) {
103: my ($item,$is_pdf);
104: if ($minimal =~/\w/) {
105: if ($external =~ m{\Q$minimal\E$}) {
106: undef($external);
107: }
108: $item = $minimal;
109: } elsif ($uploaded =~/\w/) {
110: if ($external =~ m{\Q$uploaded\E$}) {
111: undef($external);
112: }
113: $item = $uploaded;
114: if ($item =~ /\.pdf$/i) {
115: $is_pdf = 1;
116: }
117: }
118: unless ($allowed && $forceedit) {
119: my $file=&Apache::lonnet::filelocation("",$item);
120: if ($file =~ /\.(tex|x?html?)$/) {
121: my $filetype = $1;
122: my $filecontents=&Apache::lonnet::getfile($file);
123: if ($filecontents eq -1) {
124: $r->print(&mt('Syllabus file unavailable'));
125: } elsif ($filetype eq 'tex') {
126: if ($target eq 'tex') {
127: $r->print($filecontents);
128: } else {
129: my $texengine = $env{'form.texengine'};
130: if ($texengine eq '') {
131: $texengine = 'tth';
132: } elsif (lc($texengine) eq 'jsmath') {
133: $texengine = 'MathJax';
134: }
135: my $result = &Apache::lontexconvert::converted(\$filecontents,$texengine);
136: my %args;
137: &get_breadcrumbs($cdom,$cnum,$crstype,\%args);
138: if ($env{'form.only_body'}) {
139: $args{'only_body'} = 1;
140: }
141: if ($env{'request.use_absolute'}) {
142: $args{'use_absolute'} = $env{'request.use_absolute'};
143: }
144: $r->print(&Apache::loncommon::start_page("Syllabus",undef,\%args).
145: $result.
146: &Apache::loncommon::end_page());
147: }
148: } else {
149: my %mystyle;
150: unless ($target eq 'tex') {
151: $target = 'web';
152: }
153: &Apache::structuretags::reset_problem_globals();
154: my $oldfile = $env{'request.filename'};
155: $env{'request.filename'} = $item;
156: my $oldinhibit;
157: if ($env{'form.only_body'}) {
158: $oldinhibit = $env{'form.inhibitmenu'};
159: $env{'form.inhibitmenu'} = 'yes';
160: }
161: my $result = &Apache::lonxml::xmlparse($r,$target,$filecontents,
162: '',%mystyle);
163: if ($env{'form.only_body'}) {
164: if ($oldinhibit ne '') {
165: $env{'form.inhibitmenu'} = $oldinhibit;
166: } else {
167: delete($env{'form.inhibitmenu'});
168: }
169: }
170: &Apache::structuretags::reset_problem_globals();
171: &Apache::lonhomework::finished_parsing();
172: $env{'request.filename'} = $oldfile;
173: &Apache::lonxml::add_messages(\$result);
174: $r->print($result);
175: }
176: } else {
177: if ($target eq 'tex') {
178: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}).
179: ' \strut \\\\ \textbf{'.&mt('Syllabus').'} \strut \\\\ '.
180: &mt('Unsupported file type.').' \strut \\\\ '.
181: &mt('Print the syllabus directly from your web browser').
182: '\end{document}');
183: } else {
184: my $brcrum;
185: if ($env{'form.folderpath'} =~ /^supplemental/) {
186: &Apache::loncommon::validate_folderpath(1,'',$cnum,$cdom);
187: my $title = $env{'form.title'};
188: if ($title eq '') {
189: $title = &mt('Syllabus');
190: }
191: $brcrum =
192: &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
193: }
194: $r->print(&Apache::lonwrapper::wrapper($r,$item,$brcrum,$env{'request.use_absolute'},
195: undef,$is_pdf,undef,'','',&mt('Syllabus')));
196: }
197: }
198: return OK;
199: }
200: } elsif ($external=~/\w/) {
201: unless ($allowed && $forceedit) {
202: if (($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public') &&
203: ($ENV{'SERVER_PORT'} == 443) && ($external =~ m{^http://}) && !($env{'form.usehttp'})) {
204: my $hostname = $r->hostname();
205: unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
206: &redirect_to_http($r);
207: return OK;
208: }
209: }
210: if ($target eq 'tex') {
211: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}).
212: ' \strut \\\\ \textbf{'.&mt('Syllabus').'} \strut \\\\ '.$external.' '.
213: ' \strut \\\\ '.&mt('Print the syllabus directly from your web browser').
214: '\end{document}');
215: } else {
216: my $is_ext = 1;
217: my ($is_pdf,$brcrum);
218: if ($external =~ /\.pdf$/i) {
219: $is_pdf = 1;
220: }
221: if ($env{'form.folderpath'} =~ /^supplemental/) {
222: &Apache::loncommon::validate_folderpath(1,'',$cnum,$cdom);
223: my $title = $env{'form.title'};
224: if ($title eq '') {
225: $title = &mt('Syllabus');
226: }
227: $title = &HTML::Entities::encode($title,'\'"<>&');
228: $brcrum =
229: &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
230: }
231: $r->print(&Apache::lonwrapper::wrapper($r,$external,$brcrum,$env{'request.use_absolute'},
232: $is_ext,$is_pdf,undef,'','',&mt('Syllabus')));
233: }
234: return OK;
235: }
236: }
237:
238: # ------------------------------------------------------------ Print the screen
239:
240: if ($target eq 'tex') {
241: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
242: }
243:
244: # ------------------------------ The buck stops here: internal syllabus display
245: # --------------------------------------------------------- The syllabus fields
246: my %syllabusfields=&Apache::lonlocal::texthash(
247: 'aaa_instructorinfo' => 'Instructor Information',
248: 'bbb_description' => 'Course Description',
249: 'ccc_prereq' => 'Prerequisites',
250: 'cdc_classhours' => 'Class Hours',
251: 'ddd_officehours' => 'Office Hours',
252: 'eee_helproom' => 'Helproom Hours',
253: 'efe_projectinfo' => 'Project Information',
254: 'fff_examinfo' => 'Exam Information',
255: 'fgf_deadlines' => 'Deadlines',
256: 'ggg_grading' => 'Grading Information',
257: 'hhh_readings' => 'Readings',
258: 'iii_coursepack' => 'Coursepack',
259: 'jjj_weblinks' => 'Web Links',
260: 'kkk_textbook' => 'Textbook',
261: 'lll_includeurl' => 'URLs To Include in Syllabus');
262: # ---------------------------------------------------------- Load syllabus info
263: my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
264: my ($output,%displayfields,%noshow);
265:
266: # This handler might be called anonymously ...
267: # ----------------------------------------------------- Only if not public call
268: if ($allowed) {
269: if (($env{'form.choice'} =~ /^(template|minimal|url|file)$/) ||
270: ($env{'form.phase'} =~ /^(upload|check)_embedded$/)) {
271: my $earlyout;
272: ($earlyout,$uploaded,$external,$minimal,$output) =
273: &save_changes($cnum,$cdom,$uploaded,$external,$minimal,
274: \%syllabus,\%syllabusfields,\%courseenv);
275: if (($env{'form.choice'} eq 'minimal') &&
276: ($minimal eq "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html")) {
277: delete($env{'form.symb'});
278: delete($env{'request.symb'});
279: $r->internal_redirect("$minimal?editmode=1&forceedit=1");
280: return OK;
281: }
282: if ($earlyout) {
283: if ($target ne 'tex') {
284: &print_header($r,$cnum,$cdom,$crstype,$allowed,$forceedit,
285: \%syllabus,\%syllabusfields);
286: $r->print($output.
287: &Apache::loncommon::end_page());
288: }
289: return OK;
290: }
291: }
292: }
293: if ($target ne 'tex') {
294: &print_header($r,$cnum,$cdom,$crstype,$allowed,$forceedit,\%syllabus,
295: \%syllabusfields);
296: $r->print($output);
297: }
298:
299: # -------------------------------------------- Determine which fields are shown
300:
301: if ($syllabus{'uploaded.fields'}) {
302: if ($syllabus{'uploaded.fields'} eq 'none') {
303: foreach my $field (keys(%syllabusfields)) {
304: $displayfields{$field} = ' style="display:none;"';
305: $noshow{$field} = 1;
306: }
307: } else {
308: my %included;
309: map { $included{$_} = 1; } split(/,/,$syllabus{'uploaded.fields'});
310: foreach my $field (keys(%syllabusfields)) {
311: my ($prefix) = split(/_/,$field);
312: if ($included{$prefix}) {
313: $displayfields{$field} = ' style="display:block;"';
314: } else {
315: $displayfields{$field} = ' style="display:none;"';
316: $noshow{$field} = 1;
317: }
318: }
319: }
320: } else {
321: foreach my $field (keys(%syllabusfields)) {
322: if ($syllabus{$field} ne '') {
323: $displayfields{$field} = ' style="display:block;"';
324: } else {
325: $displayfields{$field} = ' style="display:none;"';
326: }
327: }
328: }
329:
330: if ($allowed) {
331: #---------------------------------- Print External URL Syllabus Info if editing
332: if ($target ne 'tex') {
333: my $link = &Apache::lonnet::url_prefix($r,$cdom,$homeserver,'web').
334: $r->uri;
335: $r->print('<div class="LC_left_float">'
336: .'<span class="LC_help_open_topic LC_info">'
337: .'<span class="LC_info">'
338: .&mt('Public link (no log-in): [_1]','<tt>'.$link.'</tt>')
339: .' </span>'.&Apache::loncommon::help_open_topic('Syllabus_ExtLink')
340: .'</span>'
341: .'</div><div style="padding:0;clear:both;margin:0;border:0"></div>'."\n");
342: my $lonhost = $r->dir_config('lonHostID');
343: $r->print(&chooser($r,$external,$uploaded,$minimal,$cdom,$cnum,$lonhost,
344: \%syllabusfields,\%syllabus));
345: }
346: } else {
347: #--------------------------------------------- Print last update unless editing
348: my $lastmod=$syllabus{'uploaded.lastmodified'};
349: $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
350: my $who;
351: if ($syllabus{'uploaded.lastmodified'}) {
352: if (($env{'user.name'} ne 'public') && ($env{'user.domain'} ne 'public')) {
353: $who = &Apache::loncommon::aboutmewrapper(
354: &Apache::loncommon::plainname($syllabus{'uploaded.name'},
355: $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
356: $syllabus{'uploaded.domain'});
357: } else {
358: # Public user?
359: # Only display name of user, but no link to personal information page
360: $who = &Apache::loncommon::plainname(
361: $syllabus{'uploaded.name'},
362: $syllabus{'uploaded.domain'});
363: }
364: }
365: if ($target ne 'tex') {
366: $r->print('<div class="LC_info">'.&mt('Last updated').': '.
367: $lastmod . ' '.
368: ($who ? &mt('by').' '.$who
369: : '' ) .
370: '</div>' );
371: } else {
372: $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.
373: ($who? &mt('by').'\\\\ '.
374: &Apache::loncommon::plainname($syllabus{'uploaded.name'},$syllabus{'uploaded.domain'})
375: :'')
376: .'\\\\');
377: }
378: }
379:
380: #-------------------------------------------------------------- Print Headtitle
381: if ($target ne 'tex') {
382: my $display = 'block';
383: if ($external || $uploaded || $minimal) {
384: $display = 'none';
385: }
386: $r->print('<div class="LC_Box" id="template" style="display: '.$display.'">'.
387: '<h2 class="LC_hcell">'.$courseenv{'description'}.'</h2>');
388: if ($allowed) {
389: $r->print('<div style="margin: 0; float:left;">'.
390: '<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>'.
391: '</div>');
392: # Print Help Text if editing at right side of screen
393: $r->print('<div style="margin: 0; float:right;">'.
394: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')).
395: '</div><br clear="all" />');
396: } else {
397: $r->print('<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>');
398: }
399: } else {
400: $r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'.
401: &Apache::lonnet::domain($cdom,'description').'}\\\\');
402: }
403: # -------------------------------------------------------- Get course personnel
404: my $hidepersonnel;
405: if (($syllabus{'uploaded.fields'}) &&
406: (($syllabus{'uploaded.fields'} eq 'none') ||
407: ($syllabus{'uploaded.fields'} !~ /000/))) {
408: $hidepersonnel = 1;
409: }
410: if ($target ne 'tex') {
411: if ($allowed) {
412: my $display = ' style="display:block;"';
413: if ($hidepersonnel) {
414: $display = ' style="display:none;"';
415: }
416: &Apache::lontemplate::print_start_template($r,&mt('Personnel'),'LC_Box',
417: 'box_000_showpeople',$display);
418: $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,\%syllabus));
419: &Apache::lontemplate::print_end_template($r);
420: } else {
421: unless ($hidepersonnel) {
422: &Apache::lontemplate::print_start_template($r,&mt('Personnel'),'LC_Box');
423: $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,\%syllabus));
424: &Apache::lontemplate::print_end_template($r);
425: }
426: }
427: } else {
428: unless ($hidepersonnel) {
429: $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,%syllabus));
430: }
431: }
432: # -------------------------------------------------------------- Announcements?
433: my $day = &Apache::lonannounce::showday(time,2,
434: &Apache::lonannounce::readcalendar($cdom.'_'.$cnum));
435: my $hidefeeds;
436: if (($syllabus{'uploaded.fields'}) &&
437: (($syllabus{'uploaded.fields'} eq 'none') ||
438: ($syllabus{'uploaded.fields'} !~ /111/))) {
439: $hidefeeds = 1;
440: }
441: if ($target ne 'tex') {
442: if ($allowed) {
443: my $display = ' style="display:block;"';
444: if ($hidefeeds) {
445: $display = ' style="display:none;"';
446: }
447: &Apache::lontemplate::print_start_template($r,&mt('RSS Feeds and Blogs'),'LC_Box',
448: 'box_111_showrssfeeds',$display);
449: my ($numfeeds,$hiddenfeeds,$rsslinktext);
450: my $feeds=&Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit,\$numfeeds,
451: \$hiddenfeeds);
452: if ($numfeeds) {
453: $r->print($feeds);
454: $rsslinktext = &mt('New RSS Feed or Blog');
455: } else {
456: my $msg = '<br />'.
457: &mt("RSS Feeds and Blogs item is not included in a student's view of the syllabus.");
458: if ($hiddenfeeds) {
459: $r->print('<p class="LC_info">'.
460: &mt('All feeds currently hidden').
461: $msg.
462: '</p>');
463: } else {
464: $r->print('<p class="LC_info">'.
465: &mt('No current feeds').
466: $msg.
467: '</p>');
468: }
469: $rsslinktext = &mt('Manage Course RSS Feeds/Blogs');
470: if ($crstype eq 'Community') {
471: $rsslinktext = &mt('Manage Community RSS Feeds/Blogs');
472: }
473: }
474: my $editurl= &Apache::lonnet::absolute_url().'/adm/'.$cdom.'/'.$cnum.'/_rss.html';
475: $r->print( '<a href="'.$editurl.'">'.$rsslinktext.'</a>');
476: &Apache::lontemplate::print_end_template($r);
477: } else {
478: unless ($hidefeeds) {
479: my $feeds = &Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit);
480: if ($feeds ne '') {
481: &Apache::lontemplate::print_start_template($r,&mt('RSS Feeds and Blogs'),'LC_Box');
482: $r->print($feeds);
483: &Apache::lontemplate::print_end_template($r);
484: }
485: }
486: }
487: } else {
488: $r->print(&Apache::lonxml::xmlparse($r,'tex',$day));
489: }
490: # ---------------------------------------------------------------- Get syllabus
491: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
492: my $url_include_handler = sub {
493: my ($r, $field, $message, $group, $data_ref, $fields_ref, $target, $allowed, $display) = @_;
494: my %data = %{$data_ref};
495: my %fields = %{$fields_ref};
496: my $urls=$message;
497: $message='';
498: foreach my $filelink (split(/\n/,$urls)) {
499: my $output='';
500: # embed style?
501: my ($curfext)=($filelink=~/\.([^\.]+)$/);
502: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
503: if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) {# make ssi call and remove everything but the body contents
504: $output=&Apache::lonnet::ssi_body($filelink);
505: } elsif ($embstyle eq 'img') {# embed as an image
506: $output='<img src="'.$filelink.'" />';
507: }
508: if ($output ne '') {
509: if ($target ne 'tex') {
510: $message.='<p>'.$output.'</p>';
511: } else {
512: $message.=' '.&Apache::lonxml::xmlparse($r,'tex','<p>'.$output.'</p>').' ';
513: }
514: }
515: }
516: if ($allowed) {
517: &Apache::lonfeedback::newline_to_br(\$urls);
518: &Apache::lontemplate::print_start_template($r,$fields{$field}.
519: &Apache::loncommon::help_open_topic('Syllabus_URLs'),'LC_Box',
520: 'box_'.$field,$display);
521: $r->print($urls);
522: $r->print("<br /><div>");
523: &Apache::lontemplate::print_textarea_template($r, $data{$field},
524: $field, Apache::lontemplate->RICH_TEXT_ALWAYS_OFF);
525: &Apache::lontemplate::print_saveall_template($r);
526: $r->print("</div>");
527: &Apache::lontemplate::print_end_template($r);
528:
529: } else {
530: $r->print($message);
531: }
532: };
533: my %custom_hash = ( 'lll_includeurl' => $url_include_handler );
534: &Apache::lontemplate::print_template_fields($r, \%syllabus, \%syllabusfields,
535: $target, $allowed, Apache::lontemplate->RICH_TEXT_DETECT_HTML, \%custom_hash,
536: undef,\%displayfields,\%noshow);
537: if ($allowed) {
538: $r->print('</div></form>'.
539: &Apache::lonhtmlcommon::htmlareaselectactive());
540: }
541: } else {
542: if ($target ne 'tex') {$r->print('<p class="LC_info">');} else {$r->print('\par ');}
543: $r->print(&mt('No syllabus information provided.'));
544: if ($target ne 'tex') {$r->print('</p>');}
545: }
546: if ($target ne 'tex') {
547: if ($env{'form.backto'} eq 'coursecatalog') {
548: $r->print('<form name="backtocat" method="post" action="/adm/coursecatalog">'.
549: &Apache::lonhtmlcommon::echo_form_input(['backto','courseid']).
550: '</form>');
551: }
552: $r->print(&Apache::loncommon::end_page());
553: } else {
554: $r->print('\end{document}');
555: }
556: return OK;
557: }
558:
559: sub print_header {
560: my ($r,$cnum,$cdom,$crstype,$allowed,$forceedit,$syllabus,$syllabusfields) = @_;
561: return unless ((ref($syllabus) eq 'HASH') || (ref($syllabusfields) eq 'HASH'));
562: # ----------------------------------------------------------------- Make header
563: my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
564: my $js;
565: if ($env{'form.backto'} eq 'coursecatalog') {
566: $js .= <<"ENDSCRIPT";
567:
568: <script type="text/javascript">
569: // <![CDATA[
570:
571: function ToCatalog(caller) {
572: numidx = getIndexByName('coursenum');
573: if (numidx > -1) {
574: if (caller != 'details') {
575: document.backtocat.elements[numidx].value = '';
576: }
577: }
578: document.backtocat.submit();
579: }
580:
581: function getIndexByName(item) {
582: for (var i=0;i<document.backtocat.elements.length;i++) {
583: if (document.backtocat.elements[i].name == item) {
584: return i;
585: }
586: }
587: return -1;
588: }
589:
590: // ]]>
591: </script>
592:
593: ENDSCRIPT
594: }
595: if ($allowed && $forceedit) {
596: my $check_uncheck = &Apache::loncommon::check_uncheck_jscript();
597: my @fieldnames = sort(keys(%{$syllabusfields}));
598: unshift(@fieldnames,'000_showpeople','111_showrssfeeds');
599: my (@checked,@unchecked);
600: if ($syllabus->{'uploaded.fields'} eq 'none') {
601: my $lastidx = scalar(@fieldnames)-1;
602: @unchecked = (0..$lastidx);
603: } elsif ($syllabus->{'uploaded.fields'}) {
604: my %included;
605: map { $included{$_} = 1; } split(/,/,$syllabus->{'uploaded.fields'});
606: for (my $i=0; $i<@fieldnames; $i++) {
607: my ($prefix) = split(/_/,$fieldnames[$i]);
608: if ($included{$prefix}) {
609: push(@checked,$i);
610: } else {
611: push(@unchecked,$i);
612: }
613: }
614: } else {
615: @checked = (0,1);
616: for (my $i=2; $i<@fieldnames; $i++) {
617: if ($syllabus->{$fieldnames[$i]}) {
618: push(@checked,$i);
619: } else {
620: push(@unchecked,$i);
621: }
622: }
623: }
624: my $fieldstr = "var fields = new Array('".join("','",@fieldnames)."');";
625: my $checkedstr = "var include = new Array('".join("','",@checked)."');";
626: my $uncheckedstr = "var exclude = new Array('".join("','",@unchecked)."');";
627: my $invurl = &mt('Invalid URL');
628: &js_escape(\$invurl);
629: my $urlregexp = <<'ENDREGEXP';
630: /^([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
631: ENDREGEXP
632:
633: $js .= <<"ENDSCRIPT";
634:
635: <script type="text/javascript">
636: // <![CDATA[
637:
638: function toggleEditor(pick) {
639: var choices = new Array('template','minimal','url','file','templatebox');
640: for (var i=0; i<choices.length; i++) {
641: if (((choices[i] == 'templatebox') && (pick == 'template')) ||
642: (choices[i] == pick)) {
643: document.getElementById(choices[i]).style.display='block';
644: } else {
645: document.getElementById(choices[i]).style.display='none';
646: }
647: }
648: return;
649: }
650:
651: var regexp = $urlregexp;
652:
653: function extUrlPreview(caller,protocol) {
654: if (document.getElementById(caller)) {
655: var url = document.getElementById(caller).value;
656: if (regexp.test(url)) {
657: var http_regex = /^http\:\/\//gi;
658: if ((protocol == 'https') && (http_regex.test(url))) {
659: window.open(url,"syllabuspreview","height=400,width=500,scrollbars=1,resizable=1,menubar=0,location=1");
660: } else {
661: openMyModal(url,500,400,'yes');
662: }
663: } else {
664: alert("$invurl");
665: }
666: }
667: }
668:
669: function toggleBox(name,caller) {
670: if (name == 'all') {
671: if (document.syllabus.showfield.length > 0) {
672: for (var i=0; i<document.syllabus.showfield.length; i++) {
673: if (document.syllabus.showfield[i].checked) {
674: if (document.getElementById('box_'+document.syllabus.showfield[i].value)) {
675: document.getElementById('box_'+document.syllabus.showfield[i].value).style.display='block';
676: }
677: } else {
678: if (document.getElementById('box_'+document.syllabus.showfield[i].value)) {
679: document.getElementById('box_'+document.syllabus.showfield[i].value).style.display='none';
680: }
681: }
682: }
683: }
684: } else {
685: if (caller.checked) {
686: if (document.getElementById('box_'+caller.value)) {
687: document.getElementById('box_'+caller.value).style.display='block';
688: }
689: } else {
690: if (document.getElementById('box_'+caller.value)) {
691: document.getElementById('box_'+caller.value).style.display='none';
692: }
693: }
694: }
695: return;
696: }
697:
698: function setTemplateBoxes() {
699: $fieldstr
700: $checkedstr
701: $uncheckedstr
702: if (include.length > 0) {
703: for (var i=0; i<include.length; i++) {
704: if (document.getElementById('showfield_'+include[i])) {
705: document.getElementById('showfield_'+include[i]).checked = true;
706: if (document.getElementById('box_'+fields[include[i]])) {
707: document.getElementById('box_'+fields[include[i]]).style.display='block';
708: }
709: }
710: }
711: }
712: if (exclude.length > 0) {
713: for (var i=0; i<exclude.length; i++) {
714: if (document.getElementById('showfield_'+exclude[i])) {
715: document.getElementById('showfield_'+exclude[i]).checked = false;
716: if (document.getElementById('box_'+fields[exclude[i]])) {
717: document.getElementById('box_'+fields[exclude[i]]).style.display='none';
718: }
719: }
720: }
721: }
722: return;
723: }
724:
725: $check_uncheck
726:
727: // ]]>
728: </script>
729:
730: ENDSCRIPT
731: }
732: my $args = {'function' => undef,
733: 'domain' => $cdom};
734: my $forcereg;
735: if ($env{'form.register'}) {
736: $forcereg = 1;
737: $args->{'force_register'} = $forcereg;
738: }
739: if ($env{'form.backto'} eq 'coursecatalog') {
740: &Apache::lonhtmlcommon::clear_breadcrumbs();
741: my $brcrum = [{href=>"javascript:ToCatalog();",
742: text=>&mt('Course/Community Catalog'),
743: no_mt=>1}
744: ];
745: if ($env{'form.coursenum'} ne '') {
746: push(@{$brcrum},
747: {href=>"javascript:ToCatalog('details')",
748: text=>"Course details"});
749: }
750: push(@{$brcrum},
751: {href=>$r->uri,
752: text=>"Course syllabus"});
753: $args->{'bread_crumbs'} = $brcrum;
754: } else {
755: &get_breadcrumbs($cdom,$cnum,$crstype,$args);
756: }
757: if ($allowed) {
758: my %loaditem = (
759: onload => 'setTemplateBoxes();',
760: );
761: $args->{'add_entries'} = \%loaditem;
762: } else {
763: if ($env{'request.use_absolute'}) {
764: $args->{'use_absolute'} = $env{'request.use_absolute'};
765: }
766: }
767: if ($env{'form.only_body'}) {
768: $args->{'only_body'} = 1;
769: }
770: $args->{'hostname'} = $r->hostname();
771: my $start_page =
772: &Apache::loncommon::start_page("Syllabus", $rss_link.$js,$args);
773: if ($start_page) {
774: $r->print($start_page);
775: }
776: }
777:
778: sub get_breadcrumbs{
779: my ($cdom,$cnum,$crstype,$args) = @_;
780: return unless (ref($args) eq 'HASH');
781: if ($env{'form.folderpath'} =~ /^supplemental/) {
782: &Apache::loncommon::validate_folderpath(1,'',$cnum,$cdom);
783: my $title = $env{'form.title'};
784: if ($title eq '') {
785: $title = &mt('Syllabus');
786: }
787: my $brcrum =
788: &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
789: if (ref($brcrum) eq 'ARRAY') {
790: $args->{'bread_crumbs'} = $brcrum;
791: $args->{'bread_crumbs_nomenu'} = 1;
792: }
793: } else {
794: if ((&Apache::lonnet::is_on_map("public/$cdom/$cnum/syllabus"))
795: && (($env{'form.symb'}) || ($env{'form.register'}))) {
796: &Apache::lonhtmlcommon::clear_breadcrumbs();
797: } else {
798: $args->{'bread_crumbs'} = [
799: {'href' => "/public/$cdom/$cnum/syllabus",
800: 'text' => 'Syllabus'},
801: ];
802: }
803: }
804: return;
805: }
806:
807: sub chooser {
808: my ($r,$external,$uploaded,$minimal,$cdom,$cnum,$lonhost,$fields,$values) = @_;
809: my %lt = &Apache::lonlocal::texthash(
810: 'type' => 'Syllabus Type',
811: 'url' => 'External URL',
812: 'file' => 'Uploaded file',
813: 'minimal' => 'Minimal template',
814: 'template' => 'Standard template',
815: 'templateboxes' => 'Choose template items ... ',
816: 'curr' => 'Current:',
817: 'rep' => 'Replace:',
818: 'upl' => 'Upload:',
819: 'pr' => 'Preview',
820: 'save' => 'Save',
821: 'sved' => 'Save and Edit',
822: 'chourl' => 'External URL',
823: 'chofile' => 'Uploaded syllabus file',
824: 'parse' => 'Upload embedded images/multimedia files if HTML file',
825: );
826: my %checked = (
827: file => '',
828: minimal => '',
829: url => '',
830: template => '',
831: );
832: my %display = (
833: file => 'none',
834: minimal => 'none',
835: url => 'none',
836: templatebox => 'none',
837: );
838: my $check = ' checked="checked" ';
839: if ($uploaded) {
840: $checked{'file'} = $check;
841: $display{'file'} = 'block';
842: } elsif ($external) {
843: $checked{'url'} = $check;
844: $display{'url'} = 'block';
845: } elsif ($minimal) {
846: $checked{'minimal'} = $check;
847: $display{'minimal'} = 'block';
848: } else {
849: $checked{'template'} = $check;
850: $checked{'templatebox'} = $check;
851: $display{'templatebox'} = 'block';
852: }
853: my $protocol = ($ENV{'SERVER_PORT'} == 443?'https':'http');
854:
855: my $output =
856: '<form name="syllabus" method="post" enctype="multipart/form-data" action="">'."\n".
857: '<input type="hidden" name="forceedit" value="1" />'."\n".
858: '<div class="LC_left_float"><fieldset><legend>'.$lt{'type'}.'</legend>';
859: foreach my $item ('minimal','template','url','file') {
860: $output .= '<label><input type="radio" name="choice" value="'.$item.'" '.$checked{$item}.' onclick="toggleEditor('."'$item'".')" />'.
861: $lt{$item}.'</label><br />';
862: }
863: $output .= '</fieldset></div>'."\n".
864: '<div id="url" class="LC_left_float" style="display: '.$display{'url'}.'">'."\n".
865: '<fieldset><legend>'.$lt{'chourl'}.'</legend><span class="LC_nobreak">'."\n".
866: '<a href="javascript:extUrlPreview('."'syllabusurl','$protocol'".');">'.$lt{'pr'}.'</a></span> '."\n".
867: '<input type="text" id="syllabusurl" name="externalsyllabus" value="'.$external.'" size="55" />'."\n".
868: ' <input type="submit" name="storeurl" value="'.$lt{'save'}.'" />'."\n".
869: '</fieldset></div>'."\n".
870: '<div id="minimal" class="LC_left_float" style="display: '.$display{'minimal'}.'">'."\n".
871: '<fieldset><legend>'.$lt{'minimal'}.'</legend>';
872: if ($minimal) {
873: my ($absurl,$filename,$depbutton) = &syllabus_file_info($r,$minimal,$cnum,$cdom,$lonhost,'minimal');
874: $output .= '<a href="javascript:extUrlPreview('."'currminimal'".');">'.$lt{'pr'}.'</a>'.
875: '<input type="hidden" name="minimalfile" value="'.&HTML::Entities::encode($absurl).'?inhibitmenu=yes" id="currminimal" />'.
876: $depbutton;
877: } else {
878: $output .= &mt('Title of Syllabus Page:').' '.
879: '<input type="text" id="minimaltitle" name="syllabustitle" value="'.&mt('Syllabus').'" size="30" />'."\n".
880: ' <input type="submit" name="storeminimal" value="'.$lt{'sved'}.'" />'."\n";
881: }
882: $output .= '</fieldset></div>'."\n".
883: '<div id="file" class="LC_left_float" style="display: '.$display{'file'}.'">'."\n".
884: '<fieldset><legend>'.$lt{'file'}.'</legend>';
885: if ($uploaded) {
886: my ($absurl,$filename,$depbutton) = &syllabus_file_info($r,$uploaded,$cnum,$cdom,$lonhost,'file');
887: $output .= '<span class="LC_nobreak">'.$lt{'curr'}.' '.
888: '<input type="hidden" name="uploadedfile" value="'.&HTML::Entities::encode($absurl).'?inhibitmenu=yes" id="currfile" />'.
889: '<a href="javascript:extUrlPreview('."'currfile'".');">'.$filename.'</a></span>'.$depbutton.
890: '<br /><br />'.$lt{'rep'};
891: } else {
892: $output .= $lt{'upl'};
893: }
894: $output .= '<br />'."\n".
895: '<span class="LC_nobreak">'.
896: '<input type="file" name="syllabusfile" size="55" />'."\n".
897: ' <input type="submit" name="storefile" value="'.$lt{'save'}.'" />'.
898: '</span><br />'.
899: '<label>'.
900: '<input type="checkbox" name="parserflag" checked="checked" />'.
901: $lt{'parse'}.
902: '</label>'.
903: '</fieldset></div>'.
904: '<div id="templatebox" class="LC_left_float" style="display: '.
905: $display{'templatebox'}.';"><fieldset><legend>'.$lt{'templateboxes'}.
906: ' <input type="button" value="'.&mt('check all').'" '.
907: 'onclick="javascript:checkAll('."document.syllabus.showfield".');javascript:toggleBox('."'all'".');" />'.
908: (' 'x2).
909: '<input type="button" value="'.&mt('uncheck all').'" '.
910: 'onclick="javascript:uncheckAll('."document.syllabus.showfield".');javascript:toggleBox('."'all'".');" />'.
911: '</legend>'.
912: &fields_check_uncheck($fields,$values).
913: '</fieldset><br />'.
914: '<input type="submit" name="storesyl" value="'.&mt('Save All').'" />'.
915: '</div>';
916: $output .= '<div style="padding:0;clear:both;margin:0;border:0"></div>';
917: return $output;
918: }
919:
920: sub syllabus_file_info {
921: my ($r,$item,$cnum,$cdom,$lonhost,$context) = @_;
922: my $hostname = &Apache::lonnet::hostname($lonhost);
923: my $protocol = $Apache::lonnet::protocol{$lonhost};
924: $protocol = 'http' if ($protocol ne 'https');
925: my $alias = &Apache::lonnet::use_proxy_alias($r,$lonhost);
926: $hostname = $alias if ($alias ne '');
927: my $absurl = $protocol.'://'.$hostname.$item;
928: my ($filename) = ($item =~ m{([^/]+)$});
929: my $file=&Apache::lonnet::filelocation("",$item);
930: my ($depbutton,$filetype,$editable);
931: if ($file =~ /\.(xhtml|xml|tex|html|htm)$/) {
932: $filetype=$1;
933: }
934: if ($filetype) {
935: unless ($filetype eq 'tex') {
936: $filetype='html';
937: }
938: }
939: if ($filetype eq 'html') {
940: my $filecontents=&Apache::lonnet::getfile($file);
941: unless ($filecontents eq -1) {
942: my $mm = new File::MMagic;
943: my $mimetype = $mm->checktype_contents($filecontents);
944: if ($mimetype eq 'text/html') {
945: my (%codebase,%allfiles);
946: my $parse_result = &Apache::lonnet::extract_embedded_items($item,\%allfiles,
947: \%codebase,\$filecontents);
948: my $actionurl = "/public/$cdom/$cnum/syllabus";
949: my ($ignore,$num,$numpathchanges,$existing,$mapping) =
950: &Apache::loncommon::ask_for_embedded_content($actionurl,undef,\%allfiles,
951: \%codebase,
952: {'context' => 'rewrites',
953: 'ignore_remote_references' => 1,});
954: $editable = 1;
955: }
956: }
957: }
958: $depbutton = (' ' x 3).
959: &editfile_button($item,$context,$editable).
960: &editbutton_js();
961: return ($absurl,$filename,$depbutton);
962: }
963:
964: sub fields_check_uncheck {
965: my ($fields,$values) = @_;
966: return unless ((ref($fields) eq 'HASH') && (ref($values) eq 'HASH'));
967: my $numinrow = 4;
968: my $table;
969: my @fieldnames = sort(keys(%{$fields}));
970: unshift(@fieldnames,'000_showpeople','111_showrssfeeds');
971: my $numfields = scalar(@fieldnames);
972: my %included;
973: if (($values->{'uploaded.fields'}) && ($values->{'uploaded.fields'} ne 'none')) {
974: map { $included{$_} = 1; } split(/,/,$values->{'uploaded.fields'});
975: }
976: for (my $i=0; $i<$numfields; $i++) {
977: my ($name,$checked);
978: if ($fieldnames[$i] eq '000_showpeople') {
979: $name = &mt('Personnel');
980: } elsif ($fieldnames[$i] eq '111_showrssfeeds') {
981: $name = &mt('RSS Feeds and Blogs');
982: } else {
983: $name = $fields->{$fieldnames[$i]};
984: }
985: if ($values->{'uploaded.fields'}) {
986: unless ($values->{'uploaded.fields'} eq 'none') {
987: my ($prefix) = split(/_/,$fieldnames[$i]);
988: if ($included{$prefix}) {
989: $checked = ' checked="checked"';
990: }
991: }
992: } else {
993: if ($fieldnames[$i] eq '000_showpeople') {
994: $checked = ' checked="checked"';
995: } elsif ($fieldnames[$i] eq '111_showrssfeeds') {
996: $checked = ' checked="checked"';
997: } else {
998: if ($values->{$fieldnames[$i]} ne '') {
999: $checked = ' checked="checked"';
1000: }
1001: }
1002: }
1003: my $rem = $i%($numinrow);
1004: if ($rem == 0) {
1005: if (($i > 0) && ($i < $numfields)) {
1006: $table .= '</tr>';
1007: }
1008: if ($i < $numfields) {
1009: $table .= '<tr>';
1010: }
1011: }
1012: if ($i == $numfields-1) {
1013: my $rem = $numfields%($numinrow);
1014: my $colsleft = $numinrow - $rem;
1015: if ($colsleft > 1) {
1016: $table .= '<td colspan="'.$colsleft.'">';
1017: } else {
1018: $table .= '</td>';
1019: }
1020: } else {
1021: $table .= '<td>';
1022: }
1023: $table .=
1024: '<label><input type="checkbox" name="showfield" value="'.$fieldnames[$i].'" '.
1025: $checked.' id="showfield_'.$i.'" onclick="javascript:toggleBox('."'$fieldnames[$i]',this".');" />'.
1026: $name.'</label></td>'."\n";
1027: }
1028: if ($table ne '') {
1029: my $rem = $numfields%($numinrow);
1030: my $colsleft = $numinrow - $rem;
1031: if ($colsleft > 1 ) {
1032: $table .= '<td colspan="'.$colsleft.'"> </td>';
1033: } elsif ($colsleft == 1) {
1034: $table .= '<td> </td>';
1035: }
1036: $table = '<table>'.$table.'</tr></table>';
1037: }
1038: return $table;
1039: }
1040:
1041: sub get_personnel {
1042: my ($r,$target,$cdom,$cnum,$allowed,$crstype,$syllabus) = @_;
1043: my (%hiddenroles,%hiddenusers);
1044: if (ref($syllabus) eq 'HASH') {
1045: if (ref($syllabus->{'personnel'}) eq 'HASH') {
1046: if ($syllabus->{'personnel'}{'hiderole'}) {
1047: map { $hiddenroles{$_} = 1; } split(/,/,$syllabus->{'personnel'}{'hiderole'});
1048: }
1049: if ($syllabus->{'personnel'}{'hideuser'}) {
1050: map { $hiddenusers{$_} = 1; } split(/,/,$syllabus->{'personnel'}{'hideuser'});
1051: }
1052: }
1053: }
1054: my $output;
1055: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum,1);
1056: if ($target ne 'tex') {
1057: if ($allowed) {
1058: $r->print(&Apache::loncommon::start_data_table().
1059: &Apache::loncommon::start_data_table_header_row().
1060: '<th>'.&mt('Role hidden?').'</th><th>'.&mt('Role').'</th>'.
1061: '<th>'.&mt('Personnel (hidden if checked)').'</th>'.
1062: &Apache::loncommon::end_data_table_header_row());
1063: } else {
1064: $r->print(&Apache::lonhtmlcommon::start_pick_box());
1065: }
1066: } else {
1067: $r->print('\begin{tabular}{|p{0.45\textwidth}|p{0.45\textwidth}|}\hline');
1068: }
1069: my @personnel=sort(keys(%coursepersonnel));
1070: my $lastpers=$personnel[$#personnel];
1071: foreach my $element (@personnel) {
1072: unless ($allowed) {
1073: next if ($hiddenroles{$element})
1074: }
1075: my ($role,$sec);
1076: if ($element =~ /:/) {
1077: ($role,$sec) = split(/:/,$element);
1078: } else {
1079: $role = $element;
1080: }
1081: my $roletext = &Apache::lonnet::plaintext($role,$crstype);
1082: if ($sec) {
1083: $roletext .=' ('.&Apache::lonlocal::mt('Section [_1]',$sec).')';
1084: }
1085: if ($target ne 'tex') {
1086: if ($allowed) {
1087: my $checked;
1088: if ($hiddenroles{$element}) {
1089: $checked = ' checked="checked"';
1090: }
1091: $r->print(&Apache::loncommon::start_data_table_row().
1092: '<td>'.
1093: '<input type="checkbox" name="hiderole" value="'.$element.'" '.
1094: $checked.' />'.
1095: '</td><td>'.$roletext.'</td><td>');
1096: } else {
1097: $r->print(&Apache::lonhtmlcommon::row_title($roletext));
1098: }
1099: } else {
1100: $r->print(' '.&Apache::lonxml::xmlparse($r,'tex',$roletext).' & ');
1101: }
1102: my @coursepersonlist;
1103: foreach my $user (split(/\,/,$coursepersonnel{$element})) {
1104: my ($puname,$pudom)=split(/\:/,$user);
1105: if ($target ne 'tex') {
1106: my $courseperson = &Apache::loncommon::plainname($puname,$pudom);
1107: my $checked;
1108: if ($hiddenusers{$element.'&'.$puname.':'.$pudom}) {
1109: $checked = ' checked="checked"';
1110: }
1111: if ($allowed) {
1112: my $item = '<span class="LC_nobreak"><label>'.
1113: '<input type="checkbox" name="hideuser" value="'.$element.'&'.$puname.':'.$pudom.'"'.$checked.' />'.
1114: &Apache::loncommon::aboutmewrapper($courseperson
1115: ,
1116: $puname,$pudom).
1117: '</label>'.(' 'x2).'</span> ';
1118: push(@coursepersonlist,$item);
1119:
1120: } else {
1121: next if ($hiddenusers{$element.'&'.$puname.':'.$pudom});
1122: if (($env{'user.name'} eq '') || ($env{'user.name'} eq 'public') ||
1123: ($env{'user.domain'} eq '') || ($env{'user.domain'} eq 'public')) {
1124: push(@coursepersonlist,$courseperson);
1125: } else {
1126: push(@coursepersonlist,&Apache::loncommon::aboutmewrapper($courseperson,
1127: $puname,$pudom));
1128: }
1129: }
1130: } else {
1131: push(@coursepersonlist,&Apache::loncommon::plainname($puname,
1132: $pudom).' ');
1133: }
1134: }
1135: if ($allowed) {
1136: $r->print(join('',@coursepersonlist));
1137: } else {
1138: $r->print(join(', ',@coursepersonlist));
1139: }
1140: if ($target ne 'tex') {
1141: if ($allowed) {
1142: $r->print('</td>'.&Apache::loncommon::end_data_table_row());
1143: } else {
1144: my $lastclose=$element eq $lastpers?1:0;
1145: $r->print(&Apache::lonhtmlcommon::row_closure($lastclose));
1146: }
1147: } else {
1148: $r->print('\\\\ \hline');
1149: }
1150: }
1151: if ($target ne 'tex') {
1152: if ($allowed) {
1153: $r->print(&Apache::loncommon::end_data_table());
1154: } else {
1155: $r->print(&Apache::lonhtmlcommon::end_pick_box());
1156: }
1157: } else {
1158: $r->print('\end{tabular}\\\\');
1159: }
1160: return;
1161: }
1162:
1163: sub save_changes {
1164: my ($cnum,$cdom,$uploaded,$external,$minimal,$syllabus,$syllabusfields,$courseenv) = @_;
1165: my ($earlyout,$output);
1166: unless ((ref($syllabus) eq 'HASH') && (ref($syllabusfields) eq 'HASH') ||
1167: (ref($courseenv) eq 'HASH')) {
1168: return ($earlyout,$uploaded,$external,$minimal,$output);
1169: }
1170: my ($was_ext,$is_ext,$putres);
1171: if ($external) {
1172: $was_ext = $external;
1173: }
1174: if (($env{'form.deleteuploaded_file'}) || ($env{'form.deleteuploaded_minimal'})) {
1175: my %storehash;
1176: if (($env{'form.choice'} eq 'file') &&
1177: ($env{'form.deleteuploaded_file'}) && ($uploaded =~ /\w/)) {
1178: if ($courseenv->{'uploadedsyllabus'} =~ m{^\Q/uploaded/$cdom/$cnum/portfolio\E(/syllabus/.+)$}) {
1179: my $filename = $1;
1180: &update_access_permissions($cdom,$cnum,$filename);
1181: }
1182: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.uploadedsyllabus');
1183: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.externalsyllabus');
1184: $storehash{'uploadedsyllabus'} = '';
1185: $storehash{'externalsyllabus'} = '';
1186: $putres = &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1187: undef($uploaded);
1188: undef($external);
1189: } elsif (($env{'form.choice'} eq 'minimal') &&
1190: ($env{'form.deleteuploaded_minimal'}) && ($minimal =~ /\w/)) {
1191: my $minimalurl = "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html";
1192: if ($courseenv->{'minimalsyllabus'} eq "$minimalurl") {
1193: my $filecontents=&Apache::lonnet::getfile(&Apache::lonnet::filelocation("",$minimalurl));
1194: unless ($filecontents eq -1) {
1195: $env{'form.output'} = $filecontents;
1196: &Apache::lonnet::finishuserfileupload($cnum,$cdom,'output',
1197: 'portfolio/syllabus/loncapa.html.bak');
1198: $minimalurl = &default_minimal_syllabus($cnum,$cdom);
1199: }
1200: }
1201: &update_access_permissions($cdom,$cnum,'/syllabus/loncapa.html');
1202: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.externalsyllabus');
1203: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.minimalsyllabus');
1204: $storehash{'externalsyllabus'} = '';
1205: $storehash{'minimalsyllabus'} = '';
1206: $putres = &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1207: undef($external);
1208: undef($minimal);
1209: }
1210: } elsif ($env{'form.choice'} eq 'template') {
1211: #store what the user typed in to the template
1212: my @shown = &Apache::loncommon::get_env_multiple('form.showfield');
1213: $syllabus->{'uploaded.fields'} = '';
1214: if (@shown == 0) {
1215: $syllabus->{'uploaded.fields'} = 'none';
1216: } else {
1217: foreach my $field (sort(@shown)) {
1218: if (($field eq '000_showpeople') ||
1219: ($field eq '111_showrssfeeds') ||
1220: ($syllabusfields->{$field})) {
1221: my ($prefix) = split(/_/,$field);
1222: $syllabus->{'uploaded.fields'} .= $prefix.',';
1223: }
1224: if ($field eq '000_showpeople') {
1225: my @hideusers = &Apache::loncommon::get_env_multiple('form.hideuser');
1226: my @hideroles = &Apache::loncommon::get_env_multiple('form.hiderole');
1227: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum,1);
1228: my %personnel;
1229: foreach my $key (keys(%coursepersonnel)) {
1230: map { $personnel{$key}{$_} = 1; } split(/,/,$coursepersonnel{$key});
1231: }
1232: %{$syllabus->{'personnel'}} = ();
1233: $syllabus->{'personnel'}{'hideuser'} = '';
1234: $syllabus->{'personnel'}{'hiderole'} = '';
1235: foreach my $role (@hideroles) {
1236: if (exists($personnel{$role})) {
1237: $syllabus->{'personnel'}{'hiderole'} .= $role.',';
1238: }
1239: }
1240: foreach my $item (@hideusers) {
1241: my ($role,$user) = split(/\&/,$item);
1242: if (ref($personnel{$role}) eq 'HASH') {
1243: if ($personnel{$role}{$user}) {
1244: $syllabus->{'personnel'}{'hideuser'} .= $item.',';
1245: }
1246: }
1247: }
1248: $syllabus->{'personnel'}{'hideuser'} =~ s/,$//;
1249: $syllabus->{'personnel'}{'hiderole'} =~ s/,$//;
1250: }
1251: }
1252: $syllabus->{'uploaded.fields'} =~ s/,$//;
1253: }
1254: foreach my $syl_field (keys(%{$syllabusfields})) {
1255: my $field=$env{'form.'.$syl_field};
1256: chomp($field);
1257: my $gateway = Apache::lonhtmlgateway->new();
1258: $field = $gateway->process_incoming_html($field,1);
1259: #here it will be stored
1260: $syllabus->{$syl_field}=$field;
1261: if ($syl_field eq 'lll_includeurl') { # clean up included URLs
1262: my $field='';
1263: foreach my $value (split(/\n/,$syllabus->{$syl_field})) {
1264: my $url=$value;
1265: # get rid of leading and trailing spaces
1266: $url=~s/^\s+//;
1267: $url=~s/\s+$//;
1268: if ($url=~m|^https?\://([^/]+)/(.+)$|) {
1269: my $host = $1;
1270: my $remainder=$2;
1271: # remove the hostname from internal URLs
1272: my $hostname = &Apache::lonnet::hostname($host);
1273: my %all_hostnames = &Apache::lonnet::all_hostnames();
1274: foreach my $possible_host (keys(%all_hostnames)) {
1275: if ($possible_host =~ /\Q$hostname\E/i) {
1276: $url=$remainder;
1277: }
1278: }
1279: }
1280: # norm internal URLs
1281: unless ($url=~/^https?\:/) {
1282: $url=&Apache::lonnet::clutter($url);
1283: }
1284: # re-assemble field
1285: if ($url) {
1286: $field.=$url."\n";
1287: }
1288: }
1289: $syllabus->{$syl_field}=$field;
1290: }
1291: }
1292: my $now = time;
1293: $syllabus->{'uploaded.domain'}=$env{'user.domain'};
1294: $syllabus->{'uploaded.name'}=$env{'user.name'};
1295: $syllabus->{'uploaded.lastmodified'} = $now;
1296: $putres = &Apache::lonnet::put('syllabus',$syllabus,$cdom,$cnum);
1297: if ($putres eq 'ok') {
1298: ($uploaded,$minimal,$external) =
1299: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1300: $minimal,$external);
1301: $output = '<div>'.
1302: &Apache::lonhtmlcommon::confirm_success(&mt('Template saved.')).
1303: '</div>';
1304: } else {
1305: $output = '<div class="LC_error">'.
1306: &mt('An error occurred storing the template: [_1]',$putres).
1307: '</div>';
1308: }
1309: } elsif ($env{'form.choice'} eq 'url') {
1310: if ($env{'form.externalsyllabus'} =~ m{^https?://}) {
1311: if ($env{'form.externalsyllabus'} eq $external) {
1312: $output = '<div class="LC_info">'.
1313: &mt('External URL unchanged.').
1314: '</div>';
1315: ($uploaded,$minimal,$external) =
1316: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1317: $minimal,$external);
1318: } else {
1319: $external=$env{'form.externalsyllabus'};
1320: $external =~ s/(`)//g;
1321: $putres =
1322: &Apache::lonnet::put('environment',{externalsyllabus=>$external},
1323: $cdom,$cnum);
1324: if ($putres eq 'ok') {
1325: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.externalsyllabus' => $external});
1326: $output = '<div>'.
1327: &Apache::lonhtmlcommon::confirm_success(&mt('External URL saved.')).
1328: '</div>';
1329: ($uploaded,$minimal,$external) =
1330: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1331: $minimal,$external);
1332: } else {
1333: $output = '<div class="LC_error">'.
1334: &mt('An error occurred storing the external URL: [_1]',$putres).
1335: '</div>';
1336: }
1337: }
1338: $is_ext = $external;
1339: } else {
1340: $output = '<div class="LC_error">'.
1341: &mt('External URL not saved -- invalid URL.').
1342: '</div>';
1343: }
1344: } elsif (($env{'form.choice'} eq 'file') || ($env{'form.choice'} eq 'minimal')) {
1345: # Process file upload - phase one - upload and parse primary file.
1346: my ($upload_result,$uploadphase,$url,$needlink,$error,$errormsg);
1347: if ($env{'form.choice'} eq 'file') {
1348: if ($env{'form.syllabusfile.filename'}) {
1349: my %allfiles = ();
1350: my %codebase = ();
1351: ($url,$needlink) = &process_upload(\$output,$cnum,$cdom,
1352: \%allfiles,\%codebase);
1353: } else {
1354: $output = '<div class="LC_info">'.
1355: &mt('No file uploaded').
1356: '</div>';
1357: }
1358: } elsif ($env{'form.choice'} eq 'minimal') {
1359: $url = "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html";
1360: my $filecontents=&Apache::lonnet::getfile(&Apache::lonnet::filelocation("",$url));
1361: if ($filecontents eq -1) {
1362: $url = &default_minimal_syllabus($cnum,$cdom);
1363: }
1364: }
1365: if ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E.*/[^/]+$}) {
1366: my $exturl = &home_http_host($cdom,$cnum);
1367: if ($exturl) {
1368: $exturl .= $url;
1369: }
1370: my %storehash;
1371: if ($env{'form.choice'} eq 'minimal') {
1372: $storehash{'minimalsyllabus'} = $url;
1373: } else {
1374: $storehash{'uploadedsyllabus'} = $url;
1375: }
1376: if ($exturl) {
1377: $storehash{'externalsyllabus'} = $exturl;
1378: if ($exturl =~ /\.(html?|txt|js|css)$/) {
1379: $exturl .= '?inhibitmenu=yes';
1380: }
1381: } else {
1382: $storehash{'externalsyllabus'} = '',
1383: }
1384: $putres =
1385: &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1386: if ($putres eq 'ok') {
1387: &Apache::lonnet::make_public_indefinitely($url);
1388: foreach my $key (keys(%storehash)) {
1389: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.'.$key => $storehash{$key}});
1390: }
1391: if ($env{'form.choice'} eq 'minimal') {
1392: $minimal = $url;
1393: } else {
1394: $uploaded = $url;
1395: }
1396: if ($needlink) {
1397: $output .= &return_to_editor($cdom,$cnum);
1398: $earlyout = 1;
1399: }
1400: ($uploaded,$minimal,$external) =
1401: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1402: $minimal,$external);
1403: } else {
1404: $error = 1;
1405: $errormsg = $putres;
1406: }
1407: } else {
1408: $error = 1;
1409: }
1410: if ($error) {
1411: $output = '<div class="LC_error">';
1412: if ($env{'form.choice'} eq 'minimal') {
1413: $output = &mt('An error occurred creating the minimal template file [_1]',$errormsg);
1414: } else {
1415: $output = &mt('An error occurred storing the uploaded file [_1]',$errormsg);
1416: }
1417: $output .= '</div>';
1418: }
1419: } elsif ($env{'form.phase'} eq 'upload_embedded') {
1420: # Process file upload - phase two - upload embedded objects
1421: my $uploadphase = 'check_embedded';
1422: my $primaryurl = &HTML::Entities::encode($env{'form.primaryurl'},'<>&"');
1423: my $state = &embedded_form_elems($uploadphase,$primaryurl);
1424: my $url_root = '/uploaded/'.$cdom.'/'.$cnum;
1425: my $actionurl = "/public/$cdom/$cnum/syllabus";
1426: my ($result,$flag,$numpathchgs) =
1427: &Apache::loncommon::upload_embedded('syllabus','portfolio/syllabus',
1428: $cnum,$cdom,'/userfiles',$url_root,undef,undef,undef,$state,
1429: $actionurl);
1430: unless ($numpathchgs) {
1431: my $modres =
1432: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1433: $cnum,$cdom,
1434: '/userfiles',$env{'form.primaryurl'});
1435: $result .= $modres;
1436: }
1437: $output = $result.&return_to_editor($cdom,$cnum);
1438: $earlyout = 1;
1439: } elsif ($env{'form.phase'} eq 'check_embedded') {
1440: # Process file upload - phase three - modify references in HTML file
1441: my $uploadphase = 'modified_orightml';
1442: my $result =
1443: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1444: $cnum,$cdom,
1445: '/userfiles',$env{'form.primaryurl'});
1446: $output = $result.&return_to_editor($cdom,$cnum);
1447: $earlyout = 1;
1448: }
1449: if ($putres eq 'ok') {
1450: if ((($is_ext) && ($is_ext ne $was_ext)) || ($was_ext)) {
1451: my $chome = &Apache::lonnet::homeserver($cnum,$cdom);
1452: unless ($chome eq 'no_host') {
1453: my %crsinfo = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,undef,undef,'.');
1454: if (ref($crsinfo{$cdom.'_'.$cnum}) eq 'HASH') {
1455: if ($external =~ m{^http://}) {
1456: $crsinfo{$cdom.'_'.$cnum}{'extsyllplain'} = 1;
1457: } elsif ($crsinfo{$cdom.'_'.$cnum}{'extsyllplain'}) {
1458: delete($crsinfo{$cdom.'_'.$cnum}{'extsyllplain'});
1459: }
1460: &Apache::lonnet::courseidput($cdom,\%crsinfo,$chome,'notime');
1461: }
1462: }
1463: }
1464: }
1465: return ($earlyout,$uploaded,$external,$minimal,$output);
1466: }
1467:
1468: sub default_minimal_syllabus {
1469: my ($cnum,$cdom) = @_;
1470: my $title;
1471: if ($env{'form.syllabustitle'}) {
1472: $title = $env{'form.syllabustitle'};
1473: $title =~ s{`}{}g;
1474: $title=~s/^\s+//;
1475: $title=~s/\s+$//;
1476: }
1477: if ($title eq '') {
1478: $title = &mt('Syllabus');
1479: }
1480: my $initialtext = &mt('Replace with your own content.');
1481: my $newhtml = <<END;
1482: <html>
1483: <head>
1484: <title>$title</title>
1485: </head>
1486: <body bgcolor="#ffffff">
1487: <h2>$title</h2>
1488: $initialtext
1489: </body>
1490: </html>
1491: END
1492: $env{'form.output'}=$newhtml;
1493: return &Apache::lonnet::finishuserfileupload($cnum,$cdom,'output',
1494: 'portfolio/syllabus/loncapa.html');
1495: }
1496:
1497: sub update_syllabus_env {
1498: my ($cdom,$cnum,$courseenv,$saved,$uploaded,$minimal,$external) = @_;
1499: return ($uploaded,$minimal,$external) unless(ref($courseenv) eq 'HASH');
1500: my $now = time;
1501: my (@envkeys,%storehash);
1502: if ($saved eq 'template') {
1503: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1504: push(@envkeys,'uploaded');
1505: }
1506: if ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1507: push(@envkeys,'minimal');
1508: }
1509: if ($external || $env{'course.'.$env{'request.course.id'}.'.externalsyllabus'}) {
1510: push(@envkeys,'external');
1511: }
1512: $storehash{'updatedsyllabus'} = $now;
1513: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.updatedsyllabus' => $now
1514: });
1515: } elsif ($saved eq 'url') {
1516: my $prefix = &home_http_host($cdom,$cnum);
1517: if ($external =~ m{^\Q$prefix/uploaded/$cdom/$cnum/portfolio/syllabus/\E(.+)$}) {
1518: my $file = $1;
1519: if ($file eq 'loncapa.html') {
1520: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1521: push(@envkeys,'uploaded');
1522: }
1523: } elsif ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1524: push(@envkeys,'minimal');
1525: }
1526: } else {
1527: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1528: push(@envkeys,'uploaded');
1529: }
1530: if ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1531: push(@envkeys,'minimal');
1532: }
1533: }
1534: } elsif ($saved eq 'file') {
1535: if ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1536: push(@envkeys,'minimal');
1537: }
1538: } elsif ($saved eq 'minimal') {
1539: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1540: push(@envkeys,'uploaded');
1541: }
1542: }
1543: if (@envkeys > 0) {
1544: foreach my $item (@envkeys) {
1545: my $key = $item.'syllabus';
1546: if ($courseenv->{$key} ne '') {
1547: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.'.$key);
1548: if ($item eq 'minimal') {
1549: &update_access_permissions($cdom,$cnum,'/syllabus/loncapa.html');
1550: } elsif ($item eq 'uploaded') {
1551: if ($courseenv->{$key} =~ m{^\Q/uploaded/$cdom/$cnum/portfolio\E(/syllabus/.+)$}) {
1552: my $filename = $1;
1553: &update_access_permissions($cdom,$cnum,$filename);
1554: }
1555: }
1556: $storehash{$key} = '';
1557: } elsif ($env{'course.'.$env{'request.course.id'}.'.'.$key} ne '') {
1558: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.'.$key);
1559: }
1560: if ($item eq 'uploaded') {
1561: undef($uploaded);
1562: }
1563: if ($item eq 'external') {
1564: undef($external);
1565: }
1566: if ($item eq 'minimal') {
1567: undef($minimal);
1568: }
1569: }
1570: }
1571: if (keys(%storehash) > 0) {
1572: &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1573: }
1574: return ($uploaded,$minimal,$external);
1575: }
1576:
1577: sub update_access_permissions {
1578: my ($cdom,$cnum,$file_name) = @_;
1579: my $current_permissions = &Apache::lonnet::get_portfile_permissions($cdom,$cnum);
1580: my %access_controls =
1581: &Apache::lonnet::get_access_controls($current_permissions,'',$file_name);
1582: if (keys(%access_controls) > 0) {
1583: my %changes;
1584: foreach my $key (keys(%{$access_controls{$file_name}})) {
1585: $changes{'delete'}{$key} = 1;
1586: }
1587: if (keys(%changes) > 0) {
1588: my ($outcome,$deloutcome,$new_values,$translation) =
1589: &Apache::lonnet::modify_access_controls($file_name,\%changes,
1590: $cdom,$cnum);
1591: }
1592: }
1593: return;
1594: }
1595:
1596: sub home_http_host {
1597: my ($cdom,$cnum) = @_;
1598: my $home=&Apache::lonnet::homeserver($cnum,$cdom);
1599: if ($home ne 'no_host') {
1600: my $hostname = &Apache::lonnet::hostname($home);
1601: my $protocol = $Apache::lonnet::protocol{$home};
1602: $protocol = 'http' if ($protocol ne 'https');
1603: return $protocol.'://'.$hostname;
1604: }
1605: return;
1606: }
1607:
1608: sub process_upload {
1609: my ($upload_output,$cnum,$cdom,$allfiles,$codebase) = @_;
1610: my ($parseaction,$showupload,$mimetype);
1611: my $dest = 'portfolio/syllabus';
1612: if ($env{'form.parserflag'}) {
1613: $parseaction = 'parse';
1614: }
1615: my $url=&Apache::lonnet::userfileupload('syllabusfile','syllabus',$dest,
1616: $parseaction,$allfiles,
1617: $codebase,undef,undef,undef,undef,
1618: undef,undef,\$mimetype);
1619: if ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E.*/([^/]+)$}) {
1620: my $stored = $1;
1621: $showupload = '<p>'.&mt('Uploaded [_1]',
1622: '<span class="LC_filename">'.$stored.'</span>').
1623: '</p>';
1624: } else {
1625: my ($filename) = ($env{'form.syllabusfile.filename'} =~ m{([^/]+)$});
1626: $$upload_output = '<div class="LC_error" id="uploadfileresult">'.
1627: &mt('Unable to save file [_1].',
1628: '<span class="LC_filename">'.$filename.'</span>').
1629: '</div>';
1630: return ();
1631: }
1632: my $needlink;
1633: if (($parseaction eq 'parse') && ($mimetype eq 'text/html')) {
1634: $$upload_output = $showupload;
1635: my $total_embedded = scalar(keys(%{$allfiles}));
1636: if ($total_embedded > 0) {
1637: my $uploadphase = 'upload_embedded';
1638: my $primaryurl = &HTML::Entities::encode($url,'<>&"');
1639: my $state = &embedded_form_elems($uploadphase,$primaryurl);
1640: my $actionurl = "/public/$cdom/$cnum/syllabus";
1641: my ($embedded,$num,$numpathchanges,$existing);
1642: ($embedded,$num,$numpathchanges,$existing) =
1643: &Apache::loncommon::ask_for_embedded_content($actionurl,$state,
1644: $allfiles,$codebase,
1645: {'error_on_invalid_names' => 1,
1646: 'ignore_remote_references' => 1,});
1647: if ($embedded) {
1648: $needlink = 1;
1649: if ($num) {
1650: $$upload_output .=
1651: '<p>'.&mt('This file contains embedded multimedia objects, which need to be uploaded.').'</p>'.$embedded;
1652: } elsif ($numpathchanges) {
1653: $$upload_output .= $embedded;
1654: } else {
1655: $$upload_output .= $embedded;
1656: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1657: $cnum,$cdom,'/userfiles',$url);
1658: }
1659: } else {
1660: $$upload_output .= &mt('Embedded item(s) already present, so no additional upload(s) required').'<br />';
1661: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1662: $cnum,$cdom,'/userfiles',$url);
1663:
1664: }
1665: } else {
1666: $$upload_output .= &mt('No embedded items identified').'<br />';
1667: }
1668: $$upload_output = '<div id="uploadfileresult">'.$$upload_output.'</div>';
1669: }
1670: return ($url,$needlink);
1671: }
1672:
1673: sub embedded_form_elems {
1674: my ($phase,$primaryurl) = @_;
1675: return <<STATE;
1676: <input type="hidden" name="forceedit" value="1" />
1677: <input type="hidden" name="cmd" value="upload_embedded" />
1678: <input type="hidden" name="phase" value="$phase" />
1679: <input type="hidden" name="primaryurl" value="$primaryurl" />
1680: STATE
1681: }
1682:
1683: sub return_to_editor {
1684: my ($cdom,$cnum) = @_;
1685: my $actionurl = "/public/$cdom/$cnum/syllabus";
1686: return '<p><form name="backtoeditor" method="post" action="'.$actionurl.'" />'.
1687: '<input type="hidden" name="forceedit" value="1" />'."\n".
1688: '<a href="javascript:document.backtoeditor.submit();">'.&mt('Return to Editor').
1689: '</a></p>';
1690: }
1691:
1692: sub editfile_button {
1693: my ($url,$context,$editable) = @_;
1694: my $edittext=&mt('Edit');
1695: my $deltext=&mt('Delete');
1696: my $output;
1697: if ($editable) {
1698: $output = '
1699: <input type="button" value="'.$edittext.'" onclick="javascript:gotoeditor('."'$url'".');" name="edit_'.$context.'" />
1700: ';
1701: }
1702: $output .= '
1703: <input type="button" value="'.$deltext.'" onclick="javascript:dodelete('."'$context'".');" name="del_'.$context.'" />
1704: <input type="hidden" value="" name="deleteuploaded_'.$context.'" id="deleteuploaded_'.$context.'" />
1705: ';
1706: return $output;
1707: }
1708:
1709: sub editbutton_js {
1710: my %js_lt = &Apache::lonlocal::texthash(
1711: min => 'Are you sure you want to delete the contents of the syllabus template?',
1712: file => 'Are you sure you want to delete the uploaded syllabus file?',
1713: noundo => 'This action cannot be reversed.'
1714: );
1715: &js_escape(\%js_lt);
1716: return <<ENDJS;
1717: <script type="text/javascript">
1718: // <![CDATA[
1719: function gotoeditor(url) {
1720: document.location.href = url+'?editmode=1&forceedit=1';
1721: }
1722: function dodelete(caller,url) {
1723: if (document.getElementById('deleteuploaded_'+caller)) {
1724: document.getElementById('deleteuploaded_'+caller).value=1;
1725: if (caller == 'minimal') {
1726: if (confirm("$js_lt{'min'}"+"\\n"+"$js_lt{'noundo'}")) {
1727: document.syllabus.submit();
1728: }
1729: }
1730: if (caller == 'file') {
1731: if (confirm("$js_lt{'file'}"+"\\n"+"$js_lt{'noundo'}")) {
1732: document.syllabus.submit();
1733: }
1734: }
1735: }
1736: return;
1737: }
1738: // ]]>
1739: </script>
1740: ENDJS
1741: }
1742:
1743: sub redirect_to_http {
1744: my ($r) = @_;
1745: &Apache::loncommon::content_type($r,'text/html');
1746: &Apache::loncommon::no_cache($r);
1747: $r->send_http_header;
1748: my $url = 'http://'.$r->hostname().$r->uri().'?usehttp=1';
1749: $r->print(&Apache::loncommon::start_page(undef,undef,
1750: {'redirect' => [0,$url],}).
1751: &Apache::loncommon::end_page());
1752: return;
1753: }
1754:
1755: 1;
1756: __END__
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