1: # The LearningOnline Network
2: # Syllabus
3: #
4: # $Id: lonsyllabus.pm,v 1.142 2017/02/18 23:39:16 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 $texengine = $env{'form.texengine'};
129: if ($texengine eq '') {
130: $texengine = 'tth';
131: } elsif (lc($texengine) eq 'jsmath') {
132: $texengine = 'MathJax';
133: }
134: my $result = &Apache::lontexconvert::converted(\$filecontents,$texengine);
135: my %args;
136: &get_breadcrumbs($cdom,$cnum,$crstype,\%args);
137: if ($env{'form.only_body'}) {
138: $args{'only_body'} = 1;
139: }
140: if ($env{'request.use_absolute'}) {
141: $args{'use_absolute'} = $env{'request.use_absolute'};
142: }
143: $r->print(&Apache::loncommon::start_page("Syllabus",undef,\%args).
144: $result.
145: &Apache::loncommon::end_page());
146: }
147: } else {
148: my %mystyle;
149: unless ($target eq 'tex') {
150: $target = 'web';
151: }
152: &Apache::structuretags::reset_problem_globals();
153: my $oldfile = $env{'request.filename'};
154: $env{'request.filename'} = $item;
155: my $result = &Apache::lonxml::xmlparse($r,$target,$filecontents,
156: '',%mystyle);
157: &Apache::structuretags::reset_problem_globals();
158: &Apache::lonhomework::finished_parsing();
159: $env{'request.filename'} = $oldfile;
160: &Apache::lonxml::add_messages(\$result);
161: $r->print($result);
162: }
163: } else {
164: if ($target eq 'tex') {
165: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}).
166: ' \strut \\\\ \textbf{'.&mt('Syllabus').'} \strut \\\\ '.
167: &mt('Unsupported file type.').' \strut \\\\ '.
168: &mt('Print the syllabus directly from your web browser').
169: '\end{document}');
170: } else {
171: my $brcrum;
172: if ($env{'form.folderpath'} =~ /^supplemental/) {
173: my $title = $env{'form.title'};
174: if ($title eq '') {
175: $title = &mt('Syllabus');
176: }
177: $brcrum =
178: &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
179: }
180: $r->print(&Apache::lonwrapper::wrapper($item,$brcrum,$env{'request.use_absolute'},
181: undef,$is_pdf,undef,&mt('Syllabus')));
182: }
183: }
184: return OK;
185: }
186: } elsif ($external=~/\w/) {
187: unless ($allowed && $forceedit) {
188: if ($target eq 'tex') {
189: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}).
190: ' \strut \\\\ \textbf{'.&mt('Syllabus').'} \strut \\\\ '.$external.' '.
191: ' \strut \\\\ '.&mt('Print the syllabus directly from your web browser').
192: '\end{document}');
193: } else {
194: my $is_ext = 1;
195: my ($is_pdf,$brcrum);
196: if ($external =~ /\.pdf$/i) {
197: $is_pdf = 1;
198: }
199: if ($env{'form.folderpath'} =~ /^supplemental/) {
200: my $title = $env{'form.title'};
201: if ($title eq '') {
202: $title = &mt('Syllabus');
203: }
204: $brcrum =
205: &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
206: }
207: $r->print(&Apache::lonwrapper::wrapper($external,$brcrum,$env{'request.use_absolute'},
208: $is_ext,$is_pdf,undef,&mt('Syllabus')));
209: }
210: return OK;
211: }
212: }
213:
214: # ------------------------------------------------------------ Print the screen
215:
216: if ($target eq 'tex') {
217: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
218: }
219:
220: # ------------------------------ The buck stops here: internal syllabus display
221: # --------------------------------------------------------- The syllabus fields
222: my %syllabusfields=&Apache::lonlocal::texthash(
223: 'aaa_instructorinfo' => 'Instructor Information',
224: 'bbb_description' => 'Course Description',
225: 'ccc_prereq' => 'Prerequisites',
226: 'cdc_classhours' => 'Class Hours',
227: 'ddd_officehours' => 'Office Hours',
228: 'eee_helproom' => 'Helproom Hours',
229: 'efe_projectinfo' => 'Project Information',
230: 'fff_examinfo' => 'Exam Information',
231: 'fgf_deadlines' => 'Deadlines',
232: 'ggg_grading' => 'Grading Information',
233: 'hhh_readings' => 'Readings',
234: 'iii_coursepack' => 'Coursepack',
235: 'jjj_weblinks' => 'Web Links',
236: 'kkk_textbook' => 'Textbook',
237: 'lll_includeurl' => 'URLs To Include in Syllabus');
238: # ---------------------------------------------------------- Load syllabus info
239: my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
240: my ($output,%displayfields,%noshow);
241:
242: # This handler might be called anonymously ...
243: # ----------------------------------------------------- Only if not public call
244: if ($allowed) {
245: if (($env{'form.choice'} =~ /^(template|minimal|url|file)$/) ||
246: ($env{'form.phase'} =~ /^(upload|check)_embedded$/)) {
247: my $earlyout;
248: ($earlyout,$uploaded,$external,$minimal,$output) =
249: &save_changes($cnum,$cdom,$uploaded,$external,$minimal,
250: \%syllabus,\%syllabusfields,\%courseenv);
251: if (($env{'form.choice'} eq 'minimal') &&
252: ($minimal eq "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html")) {
253: delete($env{'form.symb'});
254: delete($env{'request.symb'});
255: $r->internal_redirect("$minimal?editmode=1&forceedit=1");
256: return OK;
257: }
258: if ($earlyout) {
259: if ($target ne 'tex') {
260: &print_header($r,$cnum,$cdom,$crstype,$allowed,$forceedit,
261: \%syllabus,\%syllabusfields);
262: $r->print($output.
263: &Apache::loncommon::end_page());
264: }
265: return OK;
266: }
267: }
268: }
269: if ($target ne 'tex') {
270: &print_header($r,$cnum,$cdom,$crstype,$allowed,$forceedit,\%syllabus,
271: \%syllabusfields);
272: $r->print($output);
273: }
274:
275: # -------------------------------------------- Determine which fields are shown
276:
277: if ($syllabus{'uploaded.fields'}) {
278: if ($syllabus{'uploaded.fields'} eq 'none') {
279: foreach my $field (keys(%syllabusfields)) {
280: $displayfields{$field} = ' style="display:none;"';
281: $noshow{$field} = 1;
282: }
283: } else {
284: my %included;
285: map { $included{$_} = 1; } split(/,/,$syllabus{'uploaded.fields'});
286: foreach my $field (keys(%syllabusfields)) {
287: my ($prefix) = split(/_/,$field);
288: if ($included{$prefix}) {
289: $displayfields{$field} = ' style="display:block;"';
290: } else {
291: $displayfields{$field} = ' style="display:none;"';
292: $noshow{$field} = 1;
293: }
294: }
295: }
296: } else {
297: foreach my $field (keys(%syllabusfields)) {
298: if ($syllabus{$field} ne '') {
299: $displayfields{$field} = ' style="display:block;"';
300: } else {
301: $displayfields{$field} = ' style="display:none;"';
302: }
303: }
304: }
305:
306: if ($allowed) {
307: #---------------------------------- Print External URL Syllabus Info if editing
308: if ($target ne 'tex') {
309: my $protocol = $Apache::lonnet::protocol{$homeserver};
310: $protocol = 'http' if ($protocol ne 'https');
311: my $link = $protocol.'://'.&Apache::lonnet::hostname($homeserver).$r->uri;
312: if (($protocol eq 'https') && ($external =~ m{^http://})) {
313: $link .= '?usehttp=1';
314: }
315: $r->print('<div class="LC_left_float">'
316: .'<span class="LC_help_open_topic LC_info">'
317: .'<span class="LC_info">'
318: .&mt('Public link (no log-in): [_1]','<tt>'.$link.'</tt>')
319: .' </span>'.&Apache::loncommon::help_open_topic('Syllabus_ExtLink')
320: .'</span>'
321: .'</div><div style="padding:0;clear:both;margin:0;border:0"></div>'."\n");
322: my $lonhost = $r->dir_config('lonHostID');
323: $r->print(&chooser($external,$uploaded,$minimal,$cdom,$cnum,$lonhost,
324: \%syllabusfields,\%syllabus));
325: }
326: } else {
327: #--------------------------------------------- Print last update unless editing
328: my $lastmod=$syllabus{'uploaded.lastmodified'};
329: $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
330: my $who;
331: if ($syllabus{'uploaded.lastmodified'}) {
332: if (($env{'user.name'} ne 'public') && ($env{'user.domain'} ne 'public')) {
333: $who = &Apache::loncommon::aboutmewrapper(
334: &Apache::loncommon::plainname($syllabus{'uploaded.name'},
335: $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
336: $syllabus{'uploaded.domain'});
337: } else {
338: # Public user?
339: # Only display name of user, but no link to personal information page
340: $who = &Apache::loncommon::plainname(
341: $syllabus{'uploaded.name'},
342: $syllabus{'uploaded.domain'});
343: }
344: }
345: if ($target ne 'tex') {
346: $r->print('<div class="LC_info">'.&mt('Last updated').': '.
347: $lastmod . ' '.
348: ($who ? &mt('by').' '.$who
349: : '' ) .
350: '</div>' );
351: } else {
352: $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.
353: ($who? &mt('by').'\\\\ '.
354: &Apache::loncommon::plainname($syllabus{'uploaded.name'},$syllabus{'uploaded.domain'})
355: :'')
356: .'\\\\');
357: }
358: }
359:
360: #-------------------------------------------------------------- Print Headtitle
361: if ($target ne 'tex') {
362: my $display = 'block';
363: if ($external || $uploaded || $minimal) {
364: $display = 'none';
365: }
366: $r->print('<div class="LC_Box" id="template" style="display: '.$display.'">'.
367: '<h2 class="LC_hcell">'.$courseenv{'description'}.'</h2>');
368: if ($allowed) {
369: $r->print('<div style="margin: 0; float:left;">'.
370: '<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>'.
371: '</div>');
372: # Print Help Text if editing at right side of screen
373: $r->print('<div style="margin: 0; float:right;">'.
374: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')).
375: '</div><br clear="all" />');
376: } else {
377: $r->print('<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>');
378: }
379: } else {
380: $r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'.
381: &Apache::lonnet::domain($cdom,'description').'}\\\\');
382: }
383: # -------------------------------------------------------- Get course personnel
384: my $hidepersonnel;
385: if (($syllabus{'uploaded.fields'}) &&
386: (($syllabus{'uploaded.fields'} eq 'none') ||
387: ($syllabus{'uploaded.fields'} !~ /000/))) {
388: $hidepersonnel = 1;
389: }
390: if ($target ne 'tex') {
391: if ($allowed) {
392: my $display = ' style="display:block;"';
393: if ($hidepersonnel) {
394: $display = ' style="display:none;"';
395: }
396: &Apache::lontemplate::print_start_template($r,&mt('Personnel'),'LC_Box',
397: 'box_000_showpeople',$display);
398: $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,\%syllabus));
399: &Apache::lontemplate::print_end_template($r);
400: } else {
401: unless ($hidepersonnel) {
402: &Apache::lontemplate::print_start_template($r,&mt('Personnel'),'LC_Box');
403: $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,\%syllabus));
404: &Apache::lontemplate::print_end_template($r);
405: }
406: }
407: } else {
408: unless ($hidepersonnel) {
409: $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,%syllabus));
410: }
411: }
412: # -------------------------------------------------------------- Announcements?
413: my $day = &Apache::lonannounce::showday(time,2,
414: &Apache::lonannounce::readcalendar($cdom.'_'.$cnum));
415: my $hidefeeds;
416: if (($syllabus{'uploaded.fields'}) &&
417: (($syllabus{'uploaded.fields'} eq 'none') ||
418: ($syllabus{'uploaded.fields'} !~ /111/))) {
419: $hidefeeds = 1;
420: }
421: if ($target ne 'tex') {
422: if ($allowed) {
423: my $display = ' style="display:block;"';
424: if ($hidefeeds) {
425: $display = ' style="display:none;"';
426: }
427: &Apache::lontemplate::print_start_template($r,&mt('RSS Feeds and Blogs'),'LC_Box',
428: 'box_111_showrssfeeds',$display);
429: my ($numfeeds,$hiddenfeeds,$rsslinktext);
430: my $feeds=&Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit,\$numfeeds,
431: \$hiddenfeeds);
432: if ($numfeeds) {
433: $r->print($feeds);
434: $rsslinktext = &mt('New RSS Feed or Blog');
435: } else {
436: my $msg = '<br />'.
437: &mt("RSS Feeds and Blogs item is not included in a student's view of the syllabus.");
438: if ($hiddenfeeds) {
439: $r->print('<p class="LC_info">'.
440: &mt('All feeds currently hidden').
441: $msg.
442: '</p>');
443: } else {
444: $r->print('<p class="LC_info">'.
445: &mt('No current feeds').
446: $msg.
447: '</p>');
448: }
449: $rsslinktext = &mt('Manage Course RSS Feeds/Blogs');
450: if ($crstype eq 'Community') {
451: $rsslinktext = &mt('Manage Community RSS Feeds/Blogs');
452: }
453: }
454: my $editurl= &Apache::lonnet::absolute_url().'/adm/'.$cdom.'/'.$cnum.'/_rss.html';
455: $r->print( '<a href="'.$editurl.'">'.$rsslinktext.'</a>');
456: &Apache::lontemplate::print_end_template($r);
457: } else {
458: unless ($hidefeeds) {
459: my $feeds = &Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit);
460: if ($feeds ne '') {
461: &Apache::lontemplate::print_start_template($r,&mt('RSS Feeds and Blogs'),'LC_Box');
462: $r->print($feeds);
463: &Apache::lontemplate::print_end_template($r);
464: }
465: }
466: }
467: } else {
468: $r->print(&Apache::lonxml::xmlparse($r,'tex',$day));
469: }
470: # ---------------------------------------------------------------- Get syllabus
471: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
472: my $url_include_handler = sub {
473: my ($r, $field, $message, $group, $data_ref, $fields_ref, $target, $allowed, $display) = @_;
474: my %data = %{$data_ref};
475: my %fields = %{$fields_ref};
476: my $urls=$message;
477: $message='';
478: foreach my $filelink (split(/\n/,$urls)) {
479: my $output='';
480: # embed style?
481: my ($curfext)=($filelink=~/\.([^\.]+)$/);
482: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
483: if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) {# make ssi call and remove everything but the body contents
484: $output=&Apache::lonnet::ssi_body($filelink);
485: } elsif ($embstyle eq 'img') {# embed as an image
486: $output='<img src="'.$filelink.'" />';
487: }
488: if ($output ne '') {
489: if ($target ne 'tex') {
490: $message.='<p>'.$output.'</p>';
491: } else {
492: $message.=' '.&Apache::lonxml::xmlparse($r,'tex','<p>'.$output.'</p>').' ';
493: }
494: }
495: }
496: if ($allowed) {
497: &Apache::lonfeedback::newline_to_br(\$urls);
498: &Apache::lontemplate::print_start_template($r,$fields{$field}.
499: &Apache::loncommon::help_open_topic('Syllabus_URLs'),'LC_Box',
500: 'box_'.$field,$display);
501: $r->print($urls);
502: $r->print("<br /><div>");
503: &Apache::lontemplate::print_textarea_template($r, $data{$field},
504: $field, Apache::lontemplate->RICH_TEXT_ALWAYS_OFF);
505: &Apache::lontemplate::print_saveall_template($r);
506: $r->print("</div>");
507: &Apache::lontemplate::print_end_template($r);
508:
509: } else {
510: $r->print($message);
511: }
512: };
513: my %custom_hash = ( 'lll_includeurl' => $url_include_handler );
514: &Apache::lontemplate::print_template_fields($r, \%syllabus, \%syllabusfields,
515: $target, $allowed, Apache::lontemplate->RICH_TEXT_DETECT_HTML, \%custom_hash,
516: undef,\%displayfields,\%noshow);
517: if ($allowed) {
518: $r->print('</div></form>'.
519: &Apache::lonhtmlcommon::htmlareaselectactive());
520: }
521: } else {
522: if ($target ne 'tex') {$r->print('<p class="LC_info">');} else {$r->print('\par ');}
523: $r->print(&mt('No syllabus information provided.'));
524: if ($target ne 'tex') {$r->print('</p>');}
525: }
526: if ($target ne 'tex') {
527: if ($env{'form.backto'} eq 'coursecatalog') {
528: $r->print('<form name="backtocat" method="post" action="/adm/coursecatalog">'.
529: &Apache::lonhtmlcommon::echo_form_input(['backto','courseid']).
530: '</form>');
531: }
532: $r->print(&Apache::loncommon::end_page());
533: } else {
534: $r->print('\end{document}');
535: }
536: return OK;
537: }
538:
539: sub print_header {
540: my ($r,$cnum,$cdom,$crstype,$allowed,$forceedit,$syllabus,$syllabusfields) = @_;
541: return unless ((ref($syllabus) eq 'HASH') || (ref($syllabusfields) eq 'HASH'));
542: # ----------------------------------------------------------------- Make header
543: my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
544: my $js;
545: if ($env{'form.backto'} eq 'coursecatalog') {
546: $js .= <<"ENDSCRIPT";
547:
548: <script type="text/javascript">
549: // <![CDATA[
550:
551: function ToCatalog(caller) {
552: numidx = getIndexByName('coursenum');
553: if (numidx > -1) {
554: if (caller != 'details') {
555: document.backtocat.elements[numidx].value = '';
556: }
557: }
558: document.backtocat.submit();
559: }
560:
561: function getIndexByName(item) {
562: for (var i=0;i<document.backtocat.elements.length;i++) {
563: if (document.backtocat.elements[i].name == item) {
564: return i;
565: }
566: }
567: return -1;
568: }
569:
570: // ]]>
571: </script>
572:
573: ENDSCRIPT
574: }
575: if ($allowed && $forceedit) {
576: my $check_uncheck = &Apache::loncommon::check_uncheck_jscript();
577: my @fieldnames = sort(keys(%{$syllabusfields}));
578: unshift(@fieldnames,'000_showpeople','111_showrssfeeds');
579: my (@checked,@unchecked);
580: if ($syllabus->{'uploaded.fields'} eq 'none') {
581: my $lastidx = scalar(@fieldnames)-1;
582: @unchecked = (0..$lastidx);
583: } elsif ($syllabus->{'uploaded.fields'}) {
584: my %included;
585: map { $included{$_} = 1; } split(/,/,$syllabus->{'uploaded.fields'});
586: for (my $i=0; $i<@fieldnames; $i++) {
587: my ($prefix) = split(/_/,$fieldnames[$i]);
588: if ($included{$prefix}) {
589: push(@checked,$i);
590: } else {
591: push(@unchecked,$i);
592: }
593: }
594: } else {
595: @checked = (0,1);
596: for (my $i=2; $i<@fieldnames; $i++) {
597: if ($syllabus->{$fieldnames[$i]}) {
598: push(@checked,$i);
599: } else {
600: push(@unchecked,$i);
601: }
602: }
603: }
604: my $fieldstr = "var fields = new Array('".join("','",@fieldnames)."');";
605: my $checkedstr = "var include = new Array('".join("','",@checked)."');";
606: my $uncheckedstr = "var exclude = new Array('".join("','",@unchecked)."');";
607: my $invurl = &mt('Invalid URL');
608: &js_escape(\$invurl);
609: my $urlregexp = <<'ENDREGEXP';
610: /^([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
611: ENDREGEXP
612:
613: $js .= <<"ENDSCRIPT";
614:
615: <script type="text/javascript">
616: // <![CDATA[
617:
618: function toggleEditor(pick) {
619: var choices = new Array('template','minimal','url','file','templatebox');
620: for (var i=0; i<choices.length; i++) {
621: if (((choices[i] == 'templatebox') && (pick == 'template')) ||
622: (choices[i] == pick)) {
623: document.getElementById(choices[i]).style.display='block';
624: } else {
625: document.getElementById(choices[i]).style.display='none';
626: }
627: }
628: return;
629: }
630:
631: var regexp = $urlregexp;
632:
633: function extUrlPreview(caller,protocol) {
634: if (document.getElementById(caller)) {
635: var url = document.getElementById(caller).value;
636: if (regexp.test(url)) {
637: var http_regex = /^http\:\/\//gi;
638: if ((protocol == 'https') && (http_regex.test(url))) {
639: window.open(url,"syllabuspreview","height=400,width=500,scrollbars=1,resizable=1,menubar=0,location=1");
640: } else {
641: openMyModal(url,500,400,'yes');
642: }
643: } else {
644: alert("$invurl");
645: }
646: }
647: }
648:
649: function toggleBox(name,caller) {
650: if (name == 'all') {
651: if (document.syllabus.showfield.length > 0) {
652: for (var i=0; i<document.syllabus.showfield.length; i++) {
653: if (document.syllabus.showfield[i].checked) {
654: if (document.getElementById('box_'+document.syllabus.showfield[i].value)) {
655: document.getElementById('box_'+document.syllabus.showfield[i].value).style.display='block';
656: }
657: } else {
658: if (document.getElementById('box_'+document.syllabus.showfield[i].value)) {
659: document.getElementById('box_'+document.syllabus.showfield[i].value).style.display='none';
660: }
661: }
662: }
663: }
664: } else {
665: if (caller.checked) {
666: if (document.getElementById('box_'+caller.value)) {
667: document.getElementById('box_'+caller.value).style.display='block';
668: }
669: } else {
670: if (document.getElementById('box_'+caller.value)) {
671: document.getElementById('box_'+caller.value).style.display='none';
672: }
673: }
674: }
675: return;
676: }
677:
678: function setTemplateBoxes() {
679: $fieldstr
680: $checkedstr
681: $uncheckedstr
682: if (include.length > 0) {
683: for (var i=0; i<include.length; i++) {
684: if (document.getElementById('showfield_'+include[i])) {
685: document.getElementById('showfield_'+include[i]).checked = true;
686: if (document.getElementById('box_'+fields[include[i]])) {
687: document.getElementById('box_'+fields[include[i]]).style.display='block';
688: }
689: }
690: }
691: }
692: if (exclude.length > 0) {
693: for (var i=0; i<exclude.length; i++) {
694: if (document.getElementById('showfield_'+exclude[i])) {
695: document.getElementById('showfield_'+exclude[i]).checked = false;
696: if (document.getElementById('box_'+fields[exclude[i]])) {
697: document.getElementById('box_'+fields[exclude[i]]).style.display='none';
698: }
699: }
700: }
701: }
702: return;
703: }
704:
705: $check_uncheck
706:
707: // ]]>
708: </script>
709:
710: ENDSCRIPT
711: }
712: my $args = {'function' => undef,
713: 'domain' => $cdom};
714: my $forcereg;
715: if ($env{'form.register'}) {
716: $forcereg = 1;
717: $args->{'force_register'} = $forcereg;
718: }
719: if ($env{'form.backto'} eq 'coursecatalog') {
720: &Apache::lonhtmlcommon::clear_breadcrumbs();
721: my $brcrum = [{href=>"javascript:ToCatalog();",
722: text=>&mt('Course/Community Catalog'),
723: no_mt=>1}
724: ];
725: if ($env{'form.coursenum'} ne '') {
726: push(@{$brcrum},
727: {href=>"javascript:ToCatalog('details')",
728: text=>"Course details"});
729: }
730: push(@{$brcrum},
731: {href=>$r->uri,
732: text=>"Course syllabus"});
733: $args->{'bread_crumbs'} = $brcrum;
734: } else {
735: &get_breadcrumbs($cdom,$cnum,$crstype,$args);
736: }
737: if ($allowed) {
738: my %loaditem = (
739: onload => 'setTemplateBoxes();',
740: );
741: $args->{'add_entries'} = \%loaditem;
742: } else {
743: if ($env{'request.use_absolute'}) {
744: $args->{'use_absolute'} = $env{'request.use_absolute'};
745: }
746: }
747: if ($env{'form.only_body'}) {
748: $args->{'only_body'} = 1;
749: }
750: my $start_page =
751: &Apache::loncommon::start_page("Syllabus", $rss_link.$js,$args);
752: if ($start_page) {
753: $r->print($start_page);
754: }
755: }
756:
757: sub get_breadcrumbs{
758: my ($cdom,$cnum,$crstype,$args) = @_;
759: return unless (ref($args) eq 'HASH');
760: if ($env{'form.folderpath'} =~ /^supplemental/) {
761: my $title = $env{'form.title'};
762: if ($title eq '') {
763: $title = &mt('Syllabus');
764: }
765: my $brcrum =
766: &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
767: if (ref($brcrum) eq 'ARRAY') {
768: $args->{'bread_crumbs'} = $brcrum;
769: }
770: } else {
771: if ((&Apache::lonnet::is_on_map("public/$cdom/$cnum/syllabus"))
772: && (($env{'form.symb'}) || ($env{'form.register'}))) {
773: &Apache::lonhtmlcommon::clear_breadcrumbs();
774: } else {
775: $args->{'bread_crumbs'} = [
776: {'href' => "/public/$cdom/$cnum/syllabus",
777: 'text' => 'Syllabus'},
778: ];
779: }
780: }
781: return;
782: }
783:
784: sub chooser {
785: my ($external,$uploaded,$minimal,$cdom,$cnum,$lonhost,$fields,$values) = @_;
786: my %lt = &Apache::lonlocal::texthash(
787: 'type' => 'Syllabus Type',
788: 'url' => 'External URL',
789: 'file' => 'Uploaded file',
790: 'minimal' => 'Minimal template',
791: 'template' => 'Standard template',
792: 'templateboxes' => 'Choose template items ... ',
793: 'curr' => 'Current:',
794: 'rep' => 'Replace:',
795: 'upl' => 'Upload:',
796: 'pr' => 'Preview',
797: 'save' => 'Save',
798: 'sved' => 'Save and Edit',
799: 'chourl' => 'External URL',
800: 'chofile' => 'Uploaded syllabus file',
801: 'parse' => 'Upload embedded images/multimedia files if HTML file',
802: );
803: my %checked = (
804: file => '',
805: minimal => '',
806: url => '',
807: template => '',
808: );
809: my %display = (
810: file => 'none',
811: minimal => 'none',
812: url => 'none',
813: templatebox => 'none',
814: );
815: my $check = ' checked="checked" ';
816: if ($uploaded) {
817: $checked{'file'} = $check;
818: $display{'file'} = 'block';
819: } elsif ($external) {
820: $checked{'url'} = $check;
821: $display{'url'} = 'block';
822: } elsif ($minimal) {
823: $checked{'minimal'} = $check;
824: $display{'minimal'} = 'block';
825: } else {
826: $checked{'template'} = $check;
827: $checked{'templatebox'} = $check;
828: $display{'templatebox'} = 'block';
829: }
830: my $protocol = ($ENV{'SERVER_PORT'} == 443?'https':'http');
831:
832: my $output =
833: '<form name="syllabus" method="post" enctype="multipart/form-data" action="">'."\n".
834: '<input type="hidden" name="forceedit" value="1" />'."\n".
835: '<div class="LC_left_float"><fieldset><legend>'.$lt{'type'}.'</legend>';
836: foreach my $item ('minimal','template','url','file') {
837: $output .= '<label><input type="radio" name="choice" value="'.$item.'" '.$checked{$item}.' onclick="toggleEditor('."'$item'".')" />'.
838: $lt{$item}.'</label><br />';
839: }
840: $output .= '</fieldset></div>'."\n".
841: '<div id="url" class="LC_left_float" style="display: '.$display{'url'}.'">'."\n".
842: '<fieldset><legend>'.$lt{'chourl'}.'</legend><span class="LC_nobreak">'."\n".
843: '<a href="javascript:extUrlPreview('."'syllabusurl','$protocol'".');">'.$lt{'pr'}.'</a></span> '."\n".
844: '<input type="text" id="syllabusurl" name="externalsyllabus" value="'.$external.'" size="55" />'."\n".
845: ' <input type="submit" name="storeurl" value="'.$lt{'save'}.'" />'."\n".
846: '</fieldset></div>'."\n".
847: '<div id="minimal" class="LC_left_float" style="display: '.$display{'minimal'}.'">'."\n".
848: '<fieldset><legend>'.$lt{'minimal'}.'</legend>';
849: if ($minimal) {
850: my ($absurl,$filename,$depbutton) = &syllabus_file_info($minimal,$cnum,$cdom,$lonhost,'minimal');
851: $output .= '<a href="javascript:extUrlPreview('."'currminimal'".');">'.$lt{'pr'}.'</a>'.
852: '<input type="hidden" name="minimalfile" value="'.&HTML::Entities::encode($absurl).'?inhibitmenu=yes" id="currminimal" />'.
853: $depbutton;
854: } else {
855: $output .= &mt('Title of Syllabus Page:').' '.
856: '<input type="text" id="minimaltitle" name="syllabustitle" value="'.&mt('Syllabus').'" size="30" />'."\n".
857: ' <input type="submit" name="storeminimal" value="'.$lt{'sved'}.'" />'."\n";
858: }
859: $output .= '</fieldset></div>'."\n".
860: '<div id="file" class="LC_left_float" style="display: '.$display{'file'}.'">'."\n".
861: '<fieldset><legend>'.$lt{'file'}.'</legend>';
862: if ($uploaded) {
863: my ($absurl,$filename,$depbutton) = &syllabus_file_info($uploaded,$cnum,$cdom,$lonhost,'file');
864: $output .= '<span class="LC_nobreak">'.$lt{'curr'}.' '.
865: '<input type="hidden" name="uploadedfile" value="'.&HTML::Entities::encode($absurl).'?inhibitmenu=yes" id="currfile" />'.
866: '<a href="javascript:extUrlPreview('."'currfile'".');">'.$filename.'</a></span>'.$depbutton.
867: '<br /><br />'.$lt{'rep'};
868: } else {
869: $output .= $lt{'upl'};
870: }
871: $output .= '<br />'."\n".
872: '<span class="LC_nobreak">'.
873: '<input type="file" name="syllabusfile" size="55" />'."\n".
874: ' <input type="submit" name="storefile" value="'.$lt{'save'}.'" />'.
875: '</span><br />'.
876: '<label>'.
877: '<input type="checkbox" name="parserflag" checked="checked" />'.
878: $lt{'parse'}.
879: '</label>'.
880: '</fieldset></div>'.
881: '<div id="templatebox" class="LC_left_float" style="display: '.
882: $display{'templatebox'}.';"><fieldset><legend>'.$lt{'templateboxes'}.
883: ' <input type="button" value="'.&mt('check all').'" '.
884: 'onclick="javascript:checkAll('."document.syllabus.showfield".');javascript:toggleBox('."'all'".');" />'.
885: (' 'x2).
886: '<input type="button" value="'.&mt('uncheck all').'" '.
887: 'onclick="javascript:uncheckAll('."document.syllabus.showfield".');javascript:toggleBox('."'all'".');" />'.
888: '</legend>'.
889: &fields_check_uncheck($fields,$values).
890: '</fieldset><br />'.
891: '<input type="submit" name="storesyl" value="'.&mt('Save All').'" />'.
892: '</div>';
893: $output .= '<div style="padding:0;clear:both;margin:0;border:0"></div>';
894: return $output;
895: }
896:
897: sub syllabus_file_info {
898: my ($item,$cnum,$cdom,$lonhost,$context) = @_;
899: my $protocol = $Apache::lonnet::protocol{$lonhost};
900: $protocol = 'http' if ($protocol ne 'https');
901: my $absurl = $protocol.'://'.&Apache::lonnet::hostname($lonhost).$item;
902: my ($filename) = ($item =~ m{([^/]+)$});
903: my $file=&Apache::lonnet::filelocation("",$item);
904: my ($depbutton,$filetype,$editable);
905: if ($file =~ /\.(xhtml|xml|tex|html|htm)$/) {
906: $filetype=$1;
907: }
908: if ($filetype) {
909: unless ($filetype eq 'tex') {
910: $filetype='html';
911: }
912: }
913: if ($filetype eq 'html') {
914: my $filecontents=&Apache::lonnet::getfile($file);
915: unless ($filecontents eq -1) {
916: my $mm = new File::MMagic;
917: my $mimetype = $mm->checktype_contents($filecontents);
918: if ($mimetype eq 'text/html') {
919: my (%codebase,%allfiles);
920: my $parse_result = &Apache::lonnet::extract_embedded_items($item,\%allfiles,
921: \%codebase,\$filecontents);
922: my $actionurl = "/public/$cdom/$cnum/syllabus";
923: my ($ignore,$num,$numpathchanges,$existing,$mapping) =
924: &Apache::loncommon::ask_for_embedded_content($actionurl,undef,\%allfiles,
925: \%codebase,
926: {'context' => 'rewrites',
927: 'ignore_remote_references' => 1,});
928: $editable = 1;
929: }
930: }
931: }
932: $depbutton = (' ' x 3).
933: &editfile_button($item,$context,$editable).
934: &editbutton_js();
935: return ($absurl,$filename,$depbutton);
936: }
937:
938: sub fields_check_uncheck {
939: my ($fields,$values) = @_;
940: return unless ((ref($fields) eq 'HASH') && (ref($values) eq 'HASH'));
941: my $numinrow = 4;
942: my $table;
943: my @fieldnames = sort(keys(%{$fields}));
944: unshift(@fieldnames,'000_showpeople','111_showrssfeeds');
945: my $numfields = scalar(@fieldnames);
946: my %included;
947: if (($values->{'uploaded.fields'}) && ($values->{'uploaded.fields'} ne 'none')) {
948: map { $included{$_} = 1; } split(/,/,$values->{'uploaded.fields'});
949: }
950: for (my $i=0; $i<$numfields; $i++) {
951: my ($name,$checked);
952: if ($fieldnames[$i] eq '000_showpeople') {
953: $name = &mt('Personnel');
954: } elsif ($fieldnames[$i] eq '111_showrssfeeds') {
955: $name = &mt('RSS Feeds and Blogs');
956: } else {
957: $name = $fields->{$fieldnames[$i]};
958: }
959: if ($values->{'uploaded.fields'}) {
960: unless ($values->{'uploaded.fields'} eq 'none') {
961: my ($prefix) = split(/_/,$fieldnames[$i]);
962: if ($included{$prefix}) {
963: $checked = ' checked="checked"';
964: }
965: }
966: } else {
967: if ($fieldnames[$i] eq '000_showpeople') {
968: $checked = ' checked="checked"';
969: } elsif ($fieldnames[$i] eq '111_showrssfeeds') {
970: $checked = ' checked="checked"';
971: } else {
972: if ($values->{$fieldnames[$i]} ne '') {
973: $checked = ' checked="checked"';
974: }
975: }
976: }
977: my $rem = $i%($numinrow);
978: if ($rem == 0) {
979: if (($i > 0) && ($i < $numfields)) {
980: $table .= '</tr>';
981: }
982: if ($i < $numfields) {
983: $table .= '<tr>';
984: }
985: }
986: if ($i == $numfields-1) {
987: my $rem = $numfields%($numinrow);
988: my $colsleft = $numinrow - $rem;
989: if ($colsleft > 1) {
990: $table .= '<td colspan="'.$colsleft.'">';
991: } else {
992: $table .= '</td>';
993: }
994: } else {
995: $table .= '<td>';
996: }
997: $table .=
998: '<label><input type="checkbox" name="showfield" value="'.$fieldnames[$i].'" '.
999: $checked.' id="showfield_'.$i.'" onclick="javascript:toggleBox('."'$fieldnames[$i]',this".');" />'.
1000: $name.'</label></td>'."\n";
1001: }
1002: if ($table ne '') {
1003: my $rem = $numfields%($numinrow);
1004: my $colsleft = $numinrow - $rem;
1005: if ($colsleft > 1 ) {
1006: $table .= '<td colspan="'.$colsleft.'"> </td>';
1007: } elsif ($colsleft == 1) {
1008: $table .= '<td> </td>';
1009: }
1010: $table = '<table>'.$table.'</tr></table>';
1011: }
1012: return $table;
1013: }
1014:
1015: sub get_personnel {
1016: my ($r,$target,$cdom,$cnum,$allowed,$crstype,$syllabus) = @_;
1017: my (%hiddenroles,%hiddenusers);
1018: if (ref($syllabus) eq 'HASH') {
1019: if (ref($syllabus->{'personnel'}) eq 'HASH') {
1020: if ($syllabus->{'personnel'}{'hiderole'}) {
1021: map { $hiddenroles{$_} = 1; } split(/,/,$syllabus->{'personnel'}{'hiderole'});
1022: }
1023: if ($syllabus->{'personnel'}{'hideuser'}) {
1024: map { $hiddenusers{$_} = 1; } split(/,/,$syllabus->{'personnel'}{'hideuser'});
1025: }
1026: }
1027: }
1028: my $output;
1029: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum,1);
1030: if ($target ne 'tex') {
1031: if ($allowed) {
1032: $r->print(&Apache::loncommon::start_data_table().
1033: &Apache::loncommon::start_data_table_header_row().
1034: '<th>'.&mt('Role hidden?').'</th><th>'.&mt('Role').'</th>'.
1035: '<th>'.&mt('Personnel (hidden if checked)').'</th>'.
1036: &Apache::loncommon::end_data_table_header_row());
1037: } else {
1038: $r->print(&Apache::lonhtmlcommon::start_pick_box());
1039: }
1040: } else {
1041: $r->print('\begin{tabular}{|p{0.45\textwidth}|p{0.45\textwidth}|}\hline');
1042: }
1043: my @personnel=sort(keys(%coursepersonnel));
1044: my $lastpers=$personnel[$#personnel];
1045: foreach my $element (@personnel) {
1046: unless ($allowed) {
1047: next if ($hiddenroles{$element})
1048: }
1049: my ($role,$sec);
1050: if ($element =~ /:/) {
1051: ($role,$sec) = split(/:/,$element);
1052: } else {
1053: $role = $element;
1054: }
1055: my $roletext = &Apache::lonnet::plaintext($role,$crstype);
1056: if ($sec) {
1057: $roletext .=' ('.&Apache::lonlocal::mt('Section [_1]',$sec).')';
1058: }
1059: if ($target ne 'tex') {
1060: if ($allowed) {
1061: my $checked;
1062: if ($hiddenroles{$element}) {
1063: $checked = ' checked="checked"';
1064: }
1065: $r->print(&Apache::loncommon::start_data_table_row().
1066: '<td>'.
1067: '<input type="checkbox" name="hiderole" value="'.$element.'" '.
1068: $checked.' />'.
1069: '</td><td>'.$roletext.'</td><td>');
1070: } else {
1071: $r->print(&Apache::lonhtmlcommon::row_title($roletext));
1072: }
1073: } else {
1074: $r->print(' '.&Apache::lonxml::xmlparse($r,'tex',$roletext).' & ');
1075: }
1076: my @coursepersonlist;
1077: foreach my $user (split(/\,/,$coursepersonnel{$element})) {
1078: my ($puname,$pudom)=split(/\:/,$user);
1079: if ($target ne 'tex') {
1080: my $courseperson = &Apache::loncommon::plainname($puname,$pudom);
1081: my $checked;
1082: if ($hiddenusers{$element.'&'.$puname.':'.$pudom}) {
1083: $checked = ' checked="checked"';
1084: }
1085: if ($allowed) {
1086: my $item = '<span class="LC_nobreak"><label>'.
1087: '<input type="checkbox" name="hideuser" value="'.$element.'&'.$puname.':'.$pudom.'"'.$checked.' />'.
1088: &Apache::loncommon::aboutmewrapper($courseperson
1089: ,
1090: $puname,$pudom).
1091: '</label>'.(' 'x2).'</span> ';
1092: push(@coursepersonlist,$item);
1093:
1094: } else {
1095: next if ($hiddenusers{$element.'&'.$puname.':'.$pudom});
1096: if (($env{'user.name'} eq '') || ($env{'user.name'} eq 'public') ||
1097: ($env{'user.domain'} eq '') || ($env{'user.domain'} eq 'public')) {
1098: push(@coursepersonlist,$courseperson);
1099: } else {
1100: push(@coursepersonlist,&Apache::loncommon::aboutmewrapper($courseperson,
1101: $puname,$pudom));
1102: }
1103: }
1104: } else {
1105: push(@coursepersonlist,&Apache::loncommon::plainname($puname,
1106: $pudom).' ');
1107: }
1108: }
1109: if ($allowed) {
1110: $r->print(join('',@coursepersonlist));
1111: } else {
1112: $r->print(join(', ',@coursepersonlist));
1113: }
1114: if ($target ne 'tex') {
1115: if ($allowed) {
1116: $r->print('</td>'.&Apache::loncommon::end_data_table_row());
1117: } else {
1118: my $lastclose=$element eq $lastpers?1:0;
1119: $r->print(&Apache::lonhtmlcommon::row_closure($lastclose));
1120: }
1121: } else {
1122: $r->print('\\\\ \hline');
1123: }
1124: }
1125: if ($target ne 'tex') {
1126: if ($allowed) {
1127: $r->print(&Apache::loncommon::end_data_table());
1128: } else {
1129: $r->print(&Apache::lonhtmlcommon::end_pick_box());
1130: }
1131: } else {
1132: $r->print('\end{tabular}\\\\');
1133: }
1134: return;
1135: }
1136:
1137: sub save_changes {
1138: my ($cnum,$cdom,$uploaded,$external,$minimal,$syllabus,$syllabusfields,$courseenv) = @_;
1139: my ($earlyout,$output);
1140: unless ((ref($syllabus) eq 'HASH') && (ref($syllabusfields) eq 'HASH') ||
1141: (ref($courseenv) eq 'HASH')) {
1142: return ($earlyout,$uploaded,$external,$minimal,$output);
1143: }
1144: my ($was_ext,$is_ext,$putres);
1145: if ($external) {
1146: $was_ext = $external;
1147: }
1148: if (($env{'form.deleteuploaded_file'}) || ($env{'form.deleteuploaded_minimal'})) {
1149: my %storehash;
1150: if (($env{'form.choice'} eq 'file') &&
1151: ($env{'form.deleteuploaded_file'}) && ($uploaded =~ /\w/)) {
1152: if ($courseenv->{'uploadedsyllabus'} =~ m{^\Q/uploaded/$cdom/$cnum/portfolio\E(/syllabus/.+)$}) {
1153: my $filename = $1;
1154: &update_access_permissions($cdom,$cnum,$filename);
1155: }
1156: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.uploadedsyllabus');
1157: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.externalsyllabus');
1158: $storehash{'uploadedsyllabus'} = '';
1159: $storehash{'externalsyllabus'} = '';
1160: $putres = &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1161: undef($uploaded);
1162: undef($external);
1163: } elsif (($env{'form.choice'} eq 'minimal') &&
1164: ($env{'form.deleteuploaded_minimal'}) && ($minimal =~ /\w/)) {
1165: my $minimalurl = "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html";
1166: if ($courseenv->{'minimalsyllabus'} eq "$minimalurl") {
1167: my $filecontents=&Apache::lonnet::getfile(&Apache::lonnet::filelocation("",$minimalurl));
1168: unless ($filecontents eq -1) {
1169: $env{'form.output'} = $filecontents;
1170: &Apache::lonnet::finishuserfileupload($cnum,$cdom,'output',
1171: 'portfolio/syllabus/loncapa.html.bak');
1172: $minimalurl = &default_minimal_syllabus($cnum,$cdom);
1173: }
1174: }
1175: &update_access_permissions($cdom,$cnum,'/syllabus/loncapa.html');
1176: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.externalsyllabus');
1177: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.minimalsyllabus');
1178: $storehash{'externalsyllabus'} = '';
1179: $storehash{'minimalsyllabus'} = '';
1180: $putres = &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1181: undef($external);
1182: undef($minimal);
1183: }
1184: } elsif ($env{'form.choice'} eq 'template') {
1185: #store what the user typed in to the template
1186: my @shown = &Apache::loncommon::get_env_multiple('form.showfield');
1187: $syllabus->{'uploaded.fields'} = '';
1188: if (@shown == 0) {
1189: $syllabus->{'uploaded.fields'} = 'none';
1190: } else {
1191: foreach my $field (sort(@shown)) {
1192: if (($field eq '000_showpeople') ||
1193: ($field eq '111_showrssfeeds') ||
1194: ($syllabusfields->{$field})) {
1195: my ($prefix) = split(/_/,$field);
1196: $syllabus->{'uploaded.fields'} .= $prefix.',';
1197: }
1198: if ($field eq '000_showpeople') {
1199: my @hideusers = &Apache::loncommon::get_env_multiple('form.hideuser');
1200: my @hideroles = &Apache::loncommon::get_env_multiple('form.hiderole');
1201: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum,1);
1202: my %personnel;
1203: foreach my $key (keys(%coursepersonnel)) {
1204: map { $personnel{$key}{$_} = 1; } split(/,/,$coursepersonnel{$key});
1205: }
1206: %{$syllabus->{'personnel'}} = ();
1207: $syllabus->{'personnel'}{'hideuser'} = '';
1208: $syllabus->{'personnel'}{'hiderole'} = '';
1209: foreach my $role (@hideroles) {
1210: if (exists($personnel{$role})) {
1211: $syllabus->{'personnel'}{'hiderole'} .= $role.',';
1212: }
1213: }
1214: foreach my $item (@hideusers) {
1215: my ($role,$user) = split(/\&/,$item);
1216: if (ref($personnel{$role}) eq 'HASH') {
1217: if ($personnel{$role}{$user}) {
1218: $syllabus->{'personnel'}{'hideuser'} .= $item.',';
1219: }
1220: }
1221: }
1222: $syllabus->{'personnel'}{'hideuser'} =~ s/,$//;
1223: $syllabus->{'personnel'}{'hiderole'} =~ s/,$//;
1224: }
1225: }
1226: $syllabus->{'uploaded.fields'} =~ s/,$//;
1227: }
1228: foreach my $syl_field (keys(%{$syllabusfields})) {
1229: my $field=$env{'form.'.$syl_field};
1230: chomp($field);
1231: my $gateway = Apache::lonhtmlgateway->new();
1232: $field = $gateway->process_incoming_html($field,1);
1233: #here it will be stored
1234: $syllabus->{$syl_field}=$field;
1235: if ($syl_field eq 'lll_includeurl') { # clean up included URLs
1236: my $field='';
1237: foreach my $value (split(/\n/,$syllabus->{$syl_field})) {
1238: my $url=$value;
1239: # get rid of leading and trailing spaces
1240: $url=~s/^\s+//;
1241: $url=~s/\s+$//;
1242: if ($url=~m|^https?\://([^/]+)/(.+)$|) {
1243: my $host = $1;
1244: my $remainder=$2;
1245: # remove the hostname from internal URLs
1246: my $hostname = &Apache::lonnet::hostname($host);
1247: my %all_hostnames = &Apache::lonnet::all_hostnames();
1248: foreach my $possible_host (keys(%all_hostnames)) {
1249: if ($possible_host =~ /\Q$hostname\E/i) {
1250: $url=$remainder;
1251: }
1252: }
1253: }
1254: # norm internal URLs
1255: unless ($url=~/^https?\:/) {
1256: $url=&Apache::lonnet::clutter($url);
1257: }
1258: # re-assemble field
1259: if ($url) {
1260: $field.=$url."\n";
1261: }
1262: }
1263: $syllabus->{$syl_field}=$field;
1264: }
1265: }
1266: my $now = time;
1267: $syllabus->{'uploaded.domain'}=$env{'user.domain'};
1268: $syllabus->{'uploaded.name'}=$env{'user.name'};
1269: $syllabus->{'uploaded.lastmodified'} = $now;
1270: $putres = &Apache::lonnet::put('syllabus',$syllabus,$cdom,$cnum);
1271: if ($putres eq 'ok') {
1272: ($uploaded,$minimal,$external) =
1273: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1274: $minimal,$external);
1275: $output = '<div>'.
1276: &Apache::lonhtmlcommon::confirm_success(&mt('Template saved.')).
1277: '</div>';
1278: } else {
1279: $output = '<div class="LC_error">'.
1280: &mt('An error occurred storing the template: [_1]',$putres).
1281: '</div>';
1282: }
1283: } elsif ($env{'form.choice'} eq 'url') {
1284: if ($env{'form.externalsyllabus'} =~ m{^https?://}) {
1285: if ($env{'form.externalsyllabus'} eq $external) {
1286: $output = '<div class="LC_info">'.
1287: &mt('External URL unchanged.').
1288: '</div>';
1289: ($uploaded,$minimal,$external) =
1290: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1291: $minimal,$external);
1292: } else {
1293: $external=$env{'form.externalsyllabus'};
1294: $external =~ s/(`)//g;
1295: $putres =
1296: &Apache::lonnet::put('environment',{externalsyllabus=>$external},
1297: $cdom,$cnum);
1298: if ($putres eq 'ok') {
1299: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.externalsyllabus' => $external});
1300: $output = '<div>'.
1301: &Apache::lonhtmlcommon::confirm_success(&mt('External URL saved.')).
1302: '</div>';
1303: ($uploaded,$minimal,$external) =
1304: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1305: $minimal,$external);
1306: } else {
1307: $output = '<div class="LC_error">'.
1308: &mt('An error occurred storing the external URL: [_1]',$putres).
1309: '</div>';
1310: }
1311: }
1312: $is_ext = $external;
1313: } else {
1314: $output = '<div class="LC_error">'.
1315: &mt('External URL not saved -- invalid URL.').
1316: '</div>';
1317: }
1318: } elsif (($env{'form.choice'} eq 'file') || ($env{'form.choice'} eq 'minimal')) {
1319: # Process file upload - phase one - upload and parse primary file.
1320: my ($upload_result,$uploadphase,$url,$needlink,$error,$errormsg);
1321: if ($env{'form.choice'} eq 'file') {
1322: if ($env{'form.syllabusfile.filename'}) {
1323: my %allfiles = ();
1324: my %codebase = ();
1325: ($url,$needlink) = &process_upload(\$output,$cnum,$cdom,
1326: \%allfiles,\%codebase);
1327: } else {
1328: $output = '<div class="LC_info">'.
1329: &mt('No file uploaded').
1330: '</div>';
1331: }
1332: } elsif ($env{'form.choice'} eq 'minimal') {
1333: $url = "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html";
1334: my $filecontents=&Apache::lonnet::getfile(&Apache::lonnet::filelocation("",$url));
1335: if ($filecontents eq -1) {
1336: $url = &default_minimal_syllabus($cnum,$cdom);
1337: }
1338: }
1339: if ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E.*/[^/]+$}) {
1340: my $exturl = &home_http_host($cdom,$cnum);
1341: if ($exturl) {
1342: $exturl .= $url;
1343: }
1344: my %storehash;
1345: if ($env{'form.choice'} eq 'minimal') {
1346: $storehash{'minimalsyllabus'} = $url;
1347: } else {
1348: $storehash{'uploadedsyllabus'} = $url;
1349: }
1350: if ($exturl) {
1351: $storehash{'externalsyllabus'} = $exturl;
1352: if ($exturl =~ /\.(html?|txt|js|css)$/) {
1353: $exturl .= '?inhibitmenu=yes';
1354: }
1355: } else {
1356: $storehash{'externalsyllabus'} = '',
1357: }
1358: $putres =
1359: &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1360: if ($putres eq 'ok') {
1361: &Apache::lonnet::make_public_indefinitely($url);
1362: foreach my $key (keys(%storehash)) {
1363: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.'.$key => $storehash{$key}});
1364: }
1365: if ($env{'form.choice'} eq 'minimal') {
1366: $minimal = $url;
1367: } else {
1368: $uploaded = $url;
1369: }
1370: if ($needlink) {
1371: $output .= &return_to_editor($cdom,$cnum);
1372: $earlyout = 1;
1373: }
1374: ($uploaded,$minimal,$external) =
1375: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1376: $minimal,$external);
1377: } else {
1378: $error = 1;
1379: $errormsg = $putres;
1380: }
1381: } else {
1382: $error = 1;
1383: }
1384: if ($error) {
1385: $output = '<div class="LC_error">';
1386: if ($env{'form.choice'} eq 'minimal') {
1387: $output = &mt('An error occurred creating the minimal template file [_1]',$errormsg);
1388: } else {
1389: $output = &mt('An error occurred storing the uploaded file [_1]',$errormsg);
1390: }
1391: $output .= '</div>';
1392: }
1393: } elsif ($env{'form.phase'} eq 'upload_embedded') {
1394: # Process file upload - phase two - upload embedded objects
1395: my $uploadphase = 'check_embedded';
1396: my $primaryurl = &HTML::Entities::encode($env{'form.primaryurl'},'<>&"');
1397: my $state = &embedded_form_elems($uploadphase,$primaryurl);
1398: my $url_root = '/uploaded/'.$cdom.'/'.$cnum;
1399: my $actionurl = "/public/$cdom/$cnum/syllabus";
1400: my ($result,$flag,$numpathchgs) =
1401: &Apache::loncommon::upload_embedded('syllabus','portfolio/syllabus',
1402: $cnum,$cdom,'/userfiles',$url_root,undef,undef,undef,$state,
1403: $actionurl);
1404: unless ($numpathchgs) {
1405: my $modres =
1406: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1407: $cnum,$cdom,
1408: '/userfiles',$env{'form.primaryurl'});
1409: $result .= $modres;
1410: }
1411: $output = $result.&return_to_editor($cdom,$cnum);
1412: $earlyout = 1;
1413: } elsif ($env{'form.phase'} eq 'check_embedded') {
1414: # Process file upload - phase three - modify references in HTML file
1415: my $uploadphase = 'modified_orightml';
1416: my $result =
1417: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1418: $cnum,$cdom,
1419: '/userfiles',$env{'form.primaryurl'});
1420: $output = $result.&return_to_editor($cdom,$cnum);
1421: $earlyout = 1;
1422: }
1423: if ($putres eq 'ok') {
1424: if ((($is_ext) && ($is_ext ne $was_ext)) || ($was_ext)) {
1425: my $chome = &Apache::lonnet::homeserver($cnum,$cdom);
1426: unless ($chome eq 'no_host') {
1427: my %crsinfo = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,undef,undef,'.');
1428: if (ref($crsinfo{$cdom.'_'.$cnum}) eq 'HASH') {
1429: if ($external =~ m{^http://}) {
1430: $crsinfo{$cdom.'_'.$cnum}{'extsyllplain'} = 1;
1431: } elsif ($crsinfo{$cdom.'_'.$cnum}{'extsyllplain'}) {
1432: delete($crsinfo{$cdom.'_'.$cnum}{'extsyllplain'});
1433: }
1434: &Apache::lonnet::courseidput($cdom,\%crsinfo,$chome,'notime');
1435: }
1436: }
1437: }
1438: }
1439: return ($earlyout,$uploaded,$external,$minimal,$output);
1440: }
1441:
1442: sub default_minimal_syllabus {
1443: my ($cnum,$cdom) = @_;
1444: my $title;
1445: if ($env{'form.syllabustitle'}) {
1446: $title = $env{'form.syllabustitle'};
1447: $title =~ s{`}{}g;
1448: $title=~s/^\s+//;
1449: $title=~s/\s+$//;
1450: }
1451: if ($title eq '') {
1452: $title = &mt('Syllabus');
1453: }
1454: my $initialtext = &mt('Replace with your own content.');
1455: my $newhtml = <<END;
1456: <html>
1457: <head>
1458: <title>$title</title>
1459: </head>
1460: <body bgcolor="#ffffff">
1461: <h2>$title</h2>
1462: $initialtext
1463: </body>
1464: </html>
1465: END
1466: $env{'form.output'}=$newhtml;
1467: return &Apache::lonnet::finishuserfileupload($cnum,$cdom,'output',
1468: 'portfolio/syllabus/loncapa.html');
1469: }
1470:
1471: sub update_syllabus_env {
1472: my ($cdom,$cnum,$courseenv,$saved,$uploaded,$minimal,$external) = @_;
1473: return ($uploaded,$minimal,$external) unless(ref($courseenv) eq 'HASH');
1474: my $now = time;
1475: my (@envkeys,%storehash);
1476: if ($saved eq 'template') {
1477: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1478: push(@envkeys,'uploaded');
1479: }
1480: if ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1481: push(@envkeys,'minimal');
1482: }
1483: if ($external || $env{'course.'.$env{'request.course.id'}.'.externalsyllabus'}) {
1484: push(@envkeys,'external');
1485: }
1486: $storehash{'updatedsyllabus'} = $now;
1487: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.updatedsyllabus' => $now
1488: });
1489: } elsif ($saved eq 'url') {
1490: my $prefix = &home_http_host($cdom,$cnum);
1491: if ($external =~ m{^\Q$prefix/uploaded/$cdom/$cnum/portfolio/syllabus/\E(.+)$}) {
1492: my $file = $1;
1493: if ($file eq 'loncapa.html') {
1494: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1495: push(@envkeys,'uploaded');
1496: }
1497: } elsif ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1498: push(@envkeys,'minimal');
1499: }
1500: } else {
1501: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1502: push(@envkeys,'uploaded');
1503: }
1504: if ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1505: push(@envkeys,'minimal');
1506: }
1507: }
1508: } elsif ($saved eq 'file') {
1509: if ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1510: push(@envkeys,'minimal');
1511: }
1512: } elsif ($saved eq 'minimal') {
1513: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1514: push(@envkeys,'uploaded');
1515: }
1516: }
1517: if (@envkeys > 0) {
1518: foreach my $item (@envkeys) {
1519: my $key = $item.'syllabus';
1520: if ($courseenv->{$key} ne '') {
1521: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.'.$key);
1522: if ($item eq 'minimal') {
1523: &update_access_permissions($cdom,$cnum,'/syllabus/loncapa.html');
1524: } elsif ($item eq 'uploaded') {
1525: if ($courseenv->{$key} =~ m{^\Q/uploaded/$cdom/$cnum/portfolio\E(/syllabus/.+)$}) {
1526: my $filename = $1;
1527: &update_access_permissions($cdom,$cnum,$filename);
1528: }
1529: }
1530: $storehash{$key} = '';
1531: } elsif ($env{'course.'.$env{'request.course.id'}.'.'.$key} ne '') {
1532: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.'.$key);
1533: }
1534: if ($item eq 'uploaded') {
1535: undef($uploaded);
1536: }
1537: if ($item eq 'external') {
1538: undef($external);
1539: }
1540: if ($item eq 'minimal') {
1541: undef($minimal);
1542: }
1543: }
1544: }
1545: if (keys(%storehash) > 0) {
1546: &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1547: }
1548: return ($uploaded,$minimal,$external);
1549: }
1550:
1551: sub update_access_permissions {
1552: my ($cdom,$cnum,$file_name) = @_;
1553: my $current_permissions = &Apache::lonnet::get_portfile_permissions($cdom,$cnum);
1554: my %access_controls =
1555: &Apache::lonnet::get_access_controls($current_permissions,'',$file_name);
1556: if (keys(%access_controls) > 0) {
1557: my %changes;
1558: foreach my $key (keys(%{$access_controls{$file_name}})) {
1559: $changes{'delete'}{$key} = 1;
1560: }
1561: if (keys(%changes) > 0) {
1562: my ($outcome,$deloutcome,$new_values,$translation) =
1563: &Apache::lonnet::modify_access_controls($file_name,\%changes,
1564: $cdom,$cnum);
1565: }
1566: }
1567: return;
1568: }
1569:
1570: sub home_http_host {
1571: my ($cdom,$cnum) = @_;
1572: my $home=&Apache::lonnet::homeserver($cnum,$cdom);
1573: if ($home ne 'no_host') {
1574: my $protocol = $Apache::lonnet::protocol{$home};
1575: $protocol = 'http' if ($protocol ne 'https');
1576: return $protocol.'://'.&Apache::lonnet::hostname($home);
1577: }
1578: return;
1579: }
1580:
1581: sub process_upload {
1582: my ($upload_output,$cnum,$cdom,$allfiles,$codebase) = @_;
1583: my ($parseaction,$showupload,$mimetype);
1584: my $dest = 'portfolio/syllabus';
1585: if ($env{'form.parserflag'}) {
1586: $parseaction = 'parse';
1587: }
1588: my $url=&Apache::lonnet::userfileupload('syllabusfile','syllabus',$dest,
1589: $parseaction,$allfiles,
1590: $codebase,undef,undef,undef,undef,
1591: undef,undef,\$mimetype);
1592: if ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E.*/([^/]+)$}) {
1593: my $stored = $1;
1594: $showupload = '<p>'.&mt('Uploaded [_1]',
1595: '<span class="LC_filename">'.$stored.'</span>').
1596: '</p>';
1597: } else {
1598: my ($filename) = ($env{'form.syllabusfile.filename'} =~ m{([^/]+)$});
1599: $$upload_output = '<div class="LC_error" id="uploadfileresult">'.
1600: &mt('Unable to save file [_1].',
1601: '<span class="LC_filename">'.$filename.'</span>').
1602: '</div>';
1603: return ();
1604: }
1605: my $needlink;
1606: if (($parseaction eq 'parse') && ($mimetype eq 'text/html')) {
1607: $$upload_output = $showupload;
1608: my $total_embedded = scalar(keys(%{$allfiles}));
1609: if ($total_embedded > 0) {
1610: my $uploadphase = 'upload_embedded';
1611: my $primaryurl = &HTML::Entities::encode($url,'<>&"');
1612: my $state = &embedded_form_elems($uploadphase,$primaryurl);
1613: my $actionurl = "/public/$cdom/$cnum/syllabus";
1614: my ($embedded,$num,$numpathchanges,$existing);
1615: ($embedded,$num,$numpathchanges,$existing) =
1616: &Apache::loncommon::ask_for_embedded_content($actionurl,$state,
1617: $allfiles,$codebase,
1618: {'error_on_invalid_names' => 1,
1619: 'ignore_remote_references' => 1,});
1620: if ($embedded) {
1621: $needlink = 1;
1622: if ($num) {
1623: $$upload_output .=
1624: '<p>'.&mt('This file contains embedded multimedia objects, which need to be uploaded.').'</p>'.$embedded;
1625: } elsif ($numpathchanges) {
1626: $$upload_output .= $embedded;
1627: } else {
1628: $$upload_output .= $embedded;
1629: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1630: $cnum,$cdom,'/userfiles',$url);
1631: }
1632: } else {
1633: $$upload_output .= &mt('Embedded item(s) already present, so no additional upload(s) required').'<br />';
1634: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1635: $cnum,$cdom,'/userfiles',$url);
1636:
1637: }
1638: } else {
1639: $$upload_output .= &mt('No embedded items identified').'<br />';
1640: }
1641: $$upload_output = '<div id="uploadfileresult">'.$$upload_output.'</div>';
1642: }
1643: return ($url,$needlink);
1644: }
1645:
1646: sub embedded_form_elems {
1647: my ($phase,$primaryurl) = @_;
1648: return <<STATE;
1649: <input type="hidden" name="forceedit" value="1" />
1650: <input type="hidden" name="cmd" value="upload_embedded" />
1651: <input type="hidden" name="phase" value="$phase" />
1652: <input type="hidden" name="primaryurl" value="$primaryurl" />
1653: STATE
1654: }
1655:
1656: sub return_to_editor {
1657: my ($cdom,$cnum) = @_;
1658: my $actionurl = "/public/$cdom/$cnum/syllabus";
1659: return '<p><form name="backtoeditor" method="post" action="'.$actionurl.'" />'.
1660: '<input type="hidden" name="forceedit" value="1" />'."\n".
1661: '<a href="javascript:document.backtoeditor.submit();">'.&mt('Return to Editor').
1662: '</a></p>';
1663: }
1664:
1665: sub editfile_button {
1666: my ($url,$context,$editable) = @_;
1667: my $edittext=&mt('Edit');
1668: my $deltext=&mt('Delete');
1669: my $output;
1670: if ($editable) {
1671: $output = '
1672: <input type="button" value="'.$edittext.'" onclick="javascript:gotoeditor('."'$url'".');" name="edit_'.$context.'" />
1673: ';
1674: }
1675: $output .= '
1676: <input type="button" value="'.$deltext.'" onclick="javascript:dodelete('."'$context'".');" name="del_'.$context.'" />
1677: <input type="hidden" value="" name="deleteuploaded_'.$context.'" id="deleteuploaded_'.$context.'" />
1678: ';
1679: return $output;
1680: }
1681:
1682: sub editbutton_js {
1683: my %js_lt = &Apache::lonlocal::texthash(
1684: min => 'Are you sure you want to delete the contents of the syllabus template?',
1685: file => 'Are you sure you want to delete the uploaded syllabus file?',
1686: noundo => 'This action cannot be reversed.'
1687: );
1688: &js_escape(\%js_lt);
1689: return <<ENDJS;
1690: <script type="text/javascript">
1691: // <![CDATA[
1692: function gotoeditor(url) {
1693: document.location.href = url+'?editmode=1&forceedit=1';
1694: }
1695: function dodelete(caller,url) {
1696: if (document.getElementById('deleteuploaded_'+caller)) {
1697: document.getElementById('deleteuploaded_'+caller).value=1;
1698: if (caller == 'minimal') {
1699: if (confirm("$js_lt{'min'}"+"\\n"+"$js_lt{'noundo'}")) {
1700: document.syllabus.submit();
1701: }
1702: }
1703: if (caller == 'file') {
1704: if (confirm("$js_lt{'file'}"+"\\n"+"$js_lt{'noundo'}")) {
1705: document.syllabus.submit();
1706: }
1707: }
1708: }
1709: return;
1710: }
1711: // ]]>
1712: </script>
1713: ENDJS
1714: }
1715:
1716: 1;
1717: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonsyllabus.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface