1: # The LearningOnline Network
2: # Syllabus
3: #
4: # $Id: lonsyllabus.pm,v 1.153 2022/10/29 14:47:00 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: &Apache::loncommon::validate_folderpath(1,'',$cnum,$cdom);
174: my $title = $env{'form.title'};
175: if ($title eq '') {
176: $title = &mt('Syllabus');
177: }
178: $brcrum =
179: &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
180: }
181: $r->print(&Apache::lonwrapper::wrapper($r,$item,$brcrum,$env{'request.use_absolute'},
182: undef,$is_pdf,undef,'','',&mt('Syllabus')));
183: }
184: }
185: return OK;
186: }
187: } elsif ($external=~/\w/) {
188: unless ($allowed && $forceedit) {
189: if (($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public') &&
190: ($ENV{'SERVER_PORT'} == 443) && ($external =~ m{^http://}) && !($env{'form.usehttp'})) {
191: my $hostname = $r->hostname();
192: unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
193: &redirect_to_http($r);
194: return OK;
195: }
196: }
197: if ($target eq 'tex') {
198: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}).
199: ' \strut \\\\ \textbf{'.&mt('Syllabus').'} \strut \\\\ '.$external.' '.
200: ' \strut \\\\ '.&mt('Print the syllabus directly from your web browser').
201: '\end{document}');
202: } else {
203: my $is_ext = 1;
204: my ($is_pdf,$brcrum);
205: if ($external =~ /\.pdf$/i) {
206: $is_pdf = 1;
207: }
208: if ($env{'form.folderpath'} =~ /^supplemental/) {
209: &Apache::loncommon::validate_folderpath(1,'',$cnum,$cdom);
210: my $title = $env{'form.title'};
211: if ($title eq '') {
212: $title = &mt('Syllabus');
213: }
214: $title = &HTML::Entities::encode($title,'\'"<>&');
215: $brcrum =
216: &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
217: }
218: $r->print(&Apache::lonwrapper::wrapper($r,$external,$brcrum,$env{'request.use_absolute'},
219: $is_ext,$is_pdf,undef,'','',&mt('Syllabus')));
220: }
221: return OK;
222: }
223: }
224:
225: # ------------------------------------------------------------ Print the screen
226:
227: if ($target eq 'tex') {
228: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
229: }
230:
231: # ------------------------------ The buck stops here: internal syllabus display
232: # --------------------------------------------------------- The syllabus fields
233: my %syllabusfields=&Apache::lonlocal::texthash(
234: 'aaa_instructorinfo' => 'Instructor Information',
235: 'bbb_description' => 'Course Description',
236: 'ccc_prereq' => 'Prerequisites',
237: 'cdc_classhours' => 'Class Hours',
238: 'ddd_officehours' => 'Office Hours',
239: 'eee_helproom' => 'Helproom Hours',
240: 'efe_projectinfo' => 'Project Information',
241: 'fff_examinfo' => 'Exam Information',
242: 'fgf_deadlines' => 'Deadlines',
243: 'ggg_grading' => 'Grading Information',
244: 'hhh_readings' => 'Readings',
245: 'iii_coursepack' => 'Coursepack',
246: 'jjj_weblinks' => 'Web Links',
247: 'kkk_textbook' => 'Textbook',
248: 'lll_includeurl' => 'URLs To Include in Syllabus');
249: # ---------------------------------------------------------- Load syllabus info
250: my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
251: my ($output,%displayfields,%noshow);
252:
253: # This handler might be called anonymously ...
254: # ----------------------------------------------------- Only if not public call
255: if ($allowed) {
256: if (($env{'form.choice'} =~ /^(template|minimal|url|file)$/) ||
257: ($env{'form.phase'} =~ /^(upload|check)_embedded$/)) {
258: my $earlyout;
259: ($earlyout,$uploaded,$external,$minimal,$output) =
260: &save_changes($cnum,$cdom,$uploaded,$external,$minimal,
261: \%syllabus,\%syllabusfields,\%courseenv);
262: if (($env{'form.choice'} eq 'minimal') &&
263: ($minimal eq "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html")) {
264: delete($env{'form.symb'});
265: delete($env{'request.symb'});
266: $r->internal_redirect("$minimal?editmode=1&forceedit=1");
267: return OK;
268: }
269: if ($earlyout) {
270: if ($target ne 'tex') {
271: &print_header($r,$cnum,$cdom,$crstype,$allowed,$forceedit,
272: \%syllabus,\%syllabusfields);
273: $r->print($output.
274: &Apache::loncommon::end_page());
275: }
276: return OK;
277: }
278: }
279: }
280: if ($target ne 'tex') {
281: &print_header($r,$cnum,$cdom,$crstype,$allowed,$forceedit,\%syllabus,
282: \%syllabusfields);
283: $r->print($output);
284: }
285:
286: # -------------------------------------------- Determine which fields are shown
287:
288: if ($syllabus{'uploaded.fields'}) {
289: if ($syllabus{'uploaded.fields'} eq 'none') {
290: foreach my $field (keys(%syllabusfields)) {
291: $displayfields{$field} = ' style="display:none;"';
292: $noshow{$field} = 1;
293: }
294: } else {
295: my %included;
296: map { $included{$_} = 1; } split(/,/,$syllabus{'uploaded.fields'});
297: foreach my $field (keys(%syllabusfields)) {
298: my ($prefix) = split(/_/,$field);
299: if ($included{$prefix}) {
300: $displayfields{$field} = ' style="display:block;"';
301: } else {
302: $displayfields{$field} = ' style="display:none;"';
303: $noshow{$field} = 1;
304: }
305: }
306: }
307: } else {
308: foreach my $field (keys(%syllabusfields)) {
309: if ($syllabus{$field} ne '') {
310: $displayfields{$field} = ' style="display:block;"';
311: } else {
312: $displayfields{$field} = ' style="display:none;"';
313: }
314: }
315: }
316:
317: if ($allowed) {
318: #---------------------------------- Print External URL Syllabus Info if editing
319: if ($target ne 'tex') {
320: my $link = &Apache::lonnet::url_prefix($r,$cdom,$homeserver,'web').
321: $r->uri;
322: $r->print('<div class="LC_left_float">'
323: .'<span class="LC_help_open_topic LC_info">'
324: .'<span class="LC_info">'
325: .&mt('Public link (no log-in): [_1]','<tt>'.$link.'</tt>')
326: .' </span>'.&Apache::loncommon::help_open_topic('Syllabus_ExtLink')
327: .'</span>'
328: .'</div><div style="padding:0;clear:both;margin:0;border:0"></div>'."\n");
329: my $lonhost = $r->dir_config('lonHostID');
330: $r->print(&chooser($r,$external,$uploaded,$minimal,$cdom,$cnum,$lonhost,
331: \%syllabusfields,\%syllabus));
332: }
333: } else {
334: #--------------------------------------------- Print last update unless editing
335: my $lastmod=$syllabus{'uploaded.lastmodified'};
336: $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
337: my $who;
338: if ($syllabus{'uploaded.lastmodified'}) {
339: if (($env{'user.name'} ne 'public') && ($env{'user.domain'} ne 'public')) {
340: $who = &Apache::loncommon::aboutmewrapper(
341: &Apache::loncommon::plainname($syllabus{'uploaded.name'},
342: $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
343: $syllabus{'uploaded.domain'});
344: } else {
345: # Public user?
346: # Only display name of user, but no link to personal information page
347: $who = &Apache::loncommon::plainname(
348: $syllabus{'uploaded.name'},
349: $syllabus{'uploaded.domain'});
350: }
351: }
352: if ($target ne 'tex') {
353: $r->print('<div class="LC_info">'.&mt('Last updated').': '.
354: $lastmod . ' '.
355: ($who ? &mt('by').' '.$who
356: : '' ) .
357: '</div>' );
358: } else {
359: $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.
360: ($who? &mt('by').'\\\\ '.
361: &Apache::loncommon::plainname($syllabus{'uploaded.name'},$syllabus{'uploaded.domain'})
362: :'')
363: .'\\\\');
364: }
365: }
366:
367: #-------------------------------------------------------------- Print Headtitle
368: if ($target ne 'tex') {
369: my $display = 'block';
370: if ($external || $uploaded || $minimal) {
371: $display = 'none';
372: }
373: $r->print('<div class="LC_Box" id="template" style="display: '.$display.'">'.
374: '<h2 class="LC_hcell">'.$courseenv{'description'}.'</h2>');
375: if ($allowed) {
376: $r->print('<div style="margin: 0; float:left;">'.
377: '<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>'.
378: '</div>');
379: # Print Help Text if editing at right side of screen
380: $r->print('<div style="margin: 0; float:right;">'.
381: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')).
382: '</div><br clear="all" />');
383: } else {
384: $r->print('<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>');
385: }
386: } else {
387: $r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'.
388: &Apache::lonnet::domain($cdom,'description').'}\\\\');
389: }
390: # -------------------------------------------------------- Get course personnel
391: my $hidepersonnel;
392: if (($syllabus{'uploaded.fields'}) &&
393: (($syllabus{'uploaded.fields'} eq 'none') ||
394: ($syllabus{'uploaded.fields'} !~ /000/))) {
395: $hidepersonnel = 1;
396: }
397: if ($target ne 'tex') {
398: if ($allowed) {
399: my $display = ' style="display:block;"';
400: if ($hidepersonnel) {
401: $display = ' style="display:none;"';
402: }
403: &Apache::lontemplate::print_start_template($r,&mt('Personnel'),'LC_Box',
404: 'box_000_showpeople',$display);
405: $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,\%syllabus));
406: &Apache::lontemplate::print_end_template($r);
407: } else {
408: unless ($hidepersonnel) {
409: &Apache::lontemplate::print_start_template($r,&mt('Personnel'),'LC_Box');
410: $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,\%syllabus));
411: &Apache::lontemplate::print_end_template($r);
412: }
413: }
414: } else {
415: unless ($hidepersonnel) {
416: $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,%syllabus));
417: }
418: }
419: # -------------------------------------------------------------- Announcements?
420: my $day = &Apache::lonannounce::showday(time,2,
421: &Apache::lonannounce::readcalendar($cdom.'_'.$cnum));
422: my $hidefeeds;
423: if (($syllabus{'uploaded.fields'}) &&
424: (($syllabus{'uploaded.fields'} eq 'none') ||
425: ($syllabus{'uploaded.fields'} !~ /111/))) {
426: $hidefeeds = 1;
427: }
428: if ($target ne 'tex') {
429: if ($allowed) {
430: my $display = ' style="display:block;"';
431: if ($hidefeeds) {
432: $display = ' style="display:none;"';
433: }
434: &Apache::lontemplate::print_start_template($r,&mt('RSS Feeds and Blogs'),'LC_Box',
435: 'box_111_showrssfeeds',$display);
436: my ($numfeeds,$hiddenfeeds,$rsslinktext);
437: my $feeds=&Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit,\$numfeeds,
438: \$hiddenfeeds);
439: if ($numfeeds) {
440: $r->print($feeds);
441: $rsslinktext = &mt('New RSS Feed or Blog');
442: } else {
443: my $msg = '<br />'.
444: &mt("RSS Feeds and Blogs item is not included in a student's view of the syllabus.");
445: if ($hiddenfeeds) {
446: $r->print('<p class="LC_info">'.
447: &mt('All feeds currently hidden').
448: $msg.
449: '</p>');
450: } else {
451: $r->print('<p class="LC_info">'.
452: &mt('No current feeds').
453: $msg.
454: '</p>');
455: }
456: $rsslinktext = &mt('Manage Course RSS Feeds/Blogs');
457: if ($crstype eq 'Community') {
458: $rsslinktext = &mt('Manage Community RSS Feeds/Blogs');
459: }
460: }
461: my $editurl= &Apache::lonnet::absolute_url().'/adm/'.$cdom.'/'.$cnum.'/_rss.html';
462: $r->print( '<a href="'.$editurl.'">'.$rsslinktext.'</a>');
463: &Apache::lontemplate::print_end_template($r);
464: } else {
465: unless ($hidefeeds) {
466: my $feeds = &Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit);
467: if ($feeds ne '') {
468: &Apache::lontemplate::print_start_template($r,&mt('RSS Feeds and Blogs'),'LC_Box');
469: $r->print($feeds);
470: &Apache::lontemplate::print_end_template($r);
471: }
472: }
473: }
474: } else {
475: $r->print(&Apache::lonxml::xmlparse($r,'tex',$day));
476: }
477: # ---------------------------------------------------------------- Get syllabus
478: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
479: my $url_include_handler = sub {
480: my ($r, $field, $message, $group, $data_ref, $fields_ref, $target, $allowed, $display) = @_;
481: my %data = %{$data_ref};
482: my %fields = %{$fields_ref};
483: my $urls=$message;
484: $message='';
485: foreach my $filelink (split(/\n/,$urls)) {
486: my $output='';
487: # embed style?
488: my ($curfext)=($filelink=~/\.([^\.]+)$/);
489: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
490: if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) {# make ssi call and remove everything but the body contents
491: $output=&Apache::lonnet::ssi_body($filelink);
492: } elsif ($embstyle eq 'img') {# embed as an image
493: $output='<img src="'.$filelink.'" />';
494: }
495: if ($output ne '') {
496: if ($target ne 'tex') {
497: $message.='<p>'.$output.'</p>';
498: } else {
499: $message.=' '.&Apache::lonxml::xmlparse($r,'tex','<p>'.$output.'</p>').' ';
500: }
501: }
502: }
503: if ($allowed) {
504: &Apache::lonfeedback::newline_to_br(\$urls);
505: &Apache::lontemplate::print_start_template($r,$fields{$field}.
506: &Apache::loncommon::help_open_topic('Syllabus_URLs'),'LC_Box',
507: 'box_'.$field,$display);
508: $r->print($urls);
509: $r->print("<br /><div>");
510: &Apache::lontemplate::print_textarea_template($r, $data{$field},
511: $field, Apache::lontemplate->RICH_TEXT_ALWAYS_OFF);
512: &Apache::lontemplate::print_saveall_template($r);
513: $r->print("</div>");
514: &Apache::lontemplate::print_end_template($r);
515:
516: } else {
517: $r->print($message);
518: }
519: };
520: my %custom_hash = ( 'lll_includeurl' => $url_include_handler );
521: &Apache::lontemplate::print_template_fields($r, \%syllabus, \%syllabusfields,
522: $target, $allowed, Apache::lontemplate->RICH_TEXT_DETECT_HTML, \%custom_hash,
523: undef,\%displayfields,\%noshow);
524: if ($allowed) {
525: $r->print('</div></form>'.
526: &Apache::lonhtmlcommon::htmlareaselectactive());
527: }
528: } else {
529: if ($target ne 'tex') {$r->print('<p class="LC_info">');} else {$r->print('\par ');}
530: $r->print(&mt('No syllabus information provided.'));
531: if ($target ne 'tex') {$r->print('</p>');}
532: }
533: if ($target ne 'tex') {
534: if ($env{'form.backto'} eq 'coursecatalog') {
535: $r->print('<form name="backtocat" method="post" action="/adm/coursecatalog">'.
536: &Apache::lonhtmlcommon::echo_form_input(['backto','courseid']).
537: '</form>');
538: }
539: $r->print(&Apache::loncommon::end_page());
540: } else {
541: $r->print('\end{document}');
542: }
543: return OK;
544: }
545:
546: sub print_header {
547: my ($r,$cnum,$cdom,$crstype,$allowed,$forceedit,$syllabus,$syllabusfields) = @_;
548: return unless ((ref($syllabus) eq 'HASH') || (ref($syllabusfields) eq 'HASH'));
549: # ----------------------------------------------------------------- Make header
550: my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
551: my $js;
552: if ($env{'form.backto'} eq 'coursecatalog') {
553: $js .= <<"ENDSCRIPT";
554:
555: <script type="text/javascript">
556: // <![CDATA[
557:
558: function ToCatalog(caller) {
559: numidx = getIndexByName('coursenum');
560: if (numidx > -1) {
561: if (caller != 'details') {
562: document.backtocat.elements[numidx].value = '';
563: }
564: }
565: document.backtocat.submit();
566: }
567:
568: function getIndexByName(item) {
569: for (var i=0;i<document.backtocat.elements.length;i++) {
570: if (document.backtocat.elements[i].name == item) {
571: return i;
572: }
573: }
574: return -1;
575: }
576:
577: // ]]>
578: </script>
579:
580: ENDSCRIPT
581: }
582: if ($allowed && $forceedit) {
583: my $check_uncheck = &Apache::loncommon::check_uncheck_jscript();
584: my @fieldnames = sort(keys(%{$syllabusfields}));
585: unshift(@fieldnames,'000_showpeople','111_showrssfeeds');
586: my (@checked,@unchecked);
587: if ($syllabus->{'uploaded.fields'} eq 'none') {
588: my $lastidx = scalar(@fieldnames)-1;
589: @unchecked = (0..$lastidx);
590: } elsif ($syllabus->{'uploaded.fields'}) {
591: my %included;
592: map { $included{$_} = 1; } split(/,/,$syllabus->{'uploaded.fields'});
593: for (my $i=0; $i<@fieldnames; $i++) {
594: my ($prefix) = split(/_/,$fieldnames[$i]);
595: if ($included{$prefix}) {
596: push(@checked,$i);
597: } else {
598: push(@unchecked,$i);
599: }
600: }
601: } else {
602: @checked = (0,1);
603: for (my $i=2; $i<@fieldnames; $i++) {
604: if ($syllabus->{$fieldnames[$i]}) {
605: push(@checked,$i);
606: } else {
607: push(@unchecked,$i);
608: }
609: }
610: }
611: my $fieldstr = "var fields = new Array('".join("','",@fieldnames)."');";
612: my $checkedstr = "var include = new Array('".join("','",@checked)."');";
613: my $uncheckedstr = "var exclude = new Array('".join("','",@unchecked)."');";
614: my $invurl = &mt('Invalid URL');
615: &js_escape(\$invurl);
616: my $urlregexp = <<'ENDREGEXP';
617: /^([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
618: ENDREGEXP
619:
620: $js .= <<"ENDSCRIPT";
621:
622: <script type="text/javascript">
623: // <![CDATA[
624:
625: function toggleEditor(pick) {
626: var choices = new Array('template','minimal','url','file','templatebox');
627: for (var i=0; i<choices.length; i++) {
628: if (((choices[i] == 'templatebox') && (pick == 'template')) ||
629: (choices[i] == pick)) {
630: document.getElementById(choices[i]).style.display='block';
631: } else {
632: document.getElementById(choices[i]).style.display='none';
633: }
634: }
635: return;
636: }
637:
638: var regexp = $urlregexp;
639:
640: function extUrlPreview(caller,protocol) {
641: if (document.getElementById(caller)) {
642: var url = document.getElementById(caller).value;
643: if (regexp.test(url)) {
644: var http_regex = /^http\:\/\//gi;
645: if ((protocol == 'https') && (http_regex.test(url))) {
646: window.open(url,"syllabuspreview","height=400,width=500,scrollbars=1,resizable=1,menubar=0,location=1");
647: } else {
648: openMyModal(url,500,400,'yes');
649: }
650: } else {
651: alert("$invurl");
652: }
653: }
654: }
655:
656: function toggleBox(name,caller) {
657: if (name == 'all') {
658: if (document.syllabus.showfield.length > 0) {
659: for (var i=0; i<document.syllabus.showfield.length; i++) {
660: if (document.syllabus.showfield[i].checked) {
661: if (document.getElementById('box_'+document.syllabus.showfield[i].value)) {
662: document.getElementById('box_'+document.syllabus.showfield[i].value).style.display='block';
663: }
664: } else {
665: if (document.getElementById('box_'+document.syllabus.showfield[i].value)) {
666: document.getElementById('box_'+document.syllabus.showfield[i].value).style.display='none';
667: }
668: }
669: }
670: }
671: } else {
672: if (caller.checked) {
673: if (document.getElementById('box_'+caller.value)) {
674: document.getElementById('box_'+caller.value).style.display='block';
675: }
676: } else {
677: if (document.getElementById('box_'+caller.value)) {
678: document.getElementById('box_'+caller.value).style.display='none';
679: }
680: }
681: }
682: return;
683: }
684:
685: function setTemplateBoxes() {
686: $fieldstr
687: $checkedstr
688: $uncheckedstr
689: if (include.length > 0) {
690: for (var i=0; i<include.length; i++) {
691: if (document.getElementById('showfield_'+include[i])) {
692: document.getElementById('showfield_'+include[i]).checked = true;
693: if (document.getElementById('box_'+fields[include[i]])) {
694: document.getElementById('box_'+fields[include[i]]).style.display='block';
695: }
696: }
697: }
698: }
699: if (exclude.length > 0) {
700: for (var i=0; i<exclude.length; i++) {
701: if (document.getElementById('showfield_'+exclude[i])) {
702: document.getElementById('showfield_'+exclude[i]).checked = false;
703: if (document.getElementById('box_'+fields[exclude[i]])) {
704: document.getElementById('box_'+fields[exclude[i]]).style.display='none';
705: }
706: }
707: }
708: }
709: return;
710: }
711:
712: $check_uncheck
713:
714: // ]]>
715: </script>
716:
717: ENDSCRIPT
718: }
719: my $args = {'function' => undef,
720: 'domain' => $cdom};
721: my $forcereg;
722: if ($env{'form.register'}) {
723: $forcereg = 1;
724: $args->{'force_register'} = $forcereg;
725: }
726: if ($env{'form.backto'} eq 'coursecatalog') {
727: &Apache::lonhtmlcommon::clear_breadcrumbs();
728: my $brcrum = [{href=>"javascript:ToCatalog();",
729: text=>&mt('Course/Community Catalog'),
730: no_mt=>1}
731: ];
732: if ($env{'form.coursenum'} ne '') {
733: push(@{$brcrum},
734: {href=>"javascript:ToCatalog('details')",
735: text=>"Course details"});
736: }
737: push(@{$brcrum},
738: {href=>$r->uri,
739: text=>"Course syllabus"});
740: $args->{'bread_crumbs'} = $brcrum;
741: } else {
742: &get_breadcrumbs($cdom,$cnum,$crstype,$args);
743: }
744: if ($allowed) {
745: my %loaditem = (
746: onload => 'setTemplateBoxes();',
747: );
748: $args->{'add_entries'} = \%loaditem;
749: } else {
750: if ($env{'request.use_absolute'}) {
751: $args->{'use_absolute'} = $env{'request.use_absolute'};
752: }
753: }
754: if ($env{'form.only_body'}) {
755: $args->{'only_body'} = 1;
756: }
757: $args->{'hostname'} = $r->hostname();
758: my $start_page =
759: &Apache::loncommon::start_page("Syllabus", $rss_link.$js,$args);
760: if ($start_page) {
761: $r->print($start_page);
762: }
763: }
764:
765: sub get_breadcrumbs{
766: my ($cdom,$cnum,$crstype,$args) = @_;
767: return unless (ref($args) eq 'HASH');
768: if ($env{'form.folderpath'} =~ /^supplemental/) {
769: &Apache::loncommon::validate_folderpath(1,'',$cnum,$cdom);
770: my $title = $env{'form.title'};
771: if ($title eq '') {
772: $title = &mt('Syllabus');
773: }
774: my $brcrum =
775: &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
776: if (ref($brcrum) eq 'ARRAY') {
777: $args->{'bread_crumbs'} = $brcrum;
778: }
779: } else {
780: if ((&Apache::lonnet::is_on_map("public/$cdom/$cnum/syllabus"))
781: && (($env{'form.symb'}) || ($env{'form.register'}))) {
782: &Apache::lonhtmlcommon::clear_breadcrumbs();
783: } else {
784: $args->{'bread_crumbs'} = [
785: {'href' => "/public/$cdom/$cnum/syllabus",
786: 'text' => 'Syllabus'},
787: ];
788: }
789: }
790: return;
791: }
792:
793: sub chooser {
794: my ($r,$external,$uploaded,$minimal,$cdom,$cnum,$lonhost,$fields,$values) = @_;
795: my %lt = &Apache::lonlocal::texthash(
796: 'type' => 'Syllabus Type',
797: 'url' => 'External URL',
798: 'file' => 'Uploaded file',
799: 'minimal' => 'Minimal template',
800: 'template' => 'Standard template',
801: 'templateboxes' => 'Choose template items ... ',
802: 'curr' => 'Current:',
803: 'rep' => 'Replace:',
804: 'upl' => 'Upload:',
805: 'pr' => 'Preview',
806: 'save' => 'Save',
807: 'sved' => 'Save and Edit',
808: 'chourl' => 'External URL',
809: 'chofile' => 'Uploaded syllabus file',
810: 'parse' => 'Upload embedded images/multimedia files if HTML file',
811: );
812: my %checked = (
813: file => '',
814: minimal => '',
815: url => '',
816: template => '',
817: );
818: my %display = (
819: file => 'none',
820: minimal => 'none',
821: url => 'none',
822: templatebox => 'none',
823: );
824: my $check = ' checked="checked" ';
825: if ($uploaded) {
826: $checked{'file'} = $check;
827: $display{'file'} = 'block';
828: } elsif ($external) {
829: $checked{'url'} = $check;
830: $display{'url'} = 'block';
831: } elsif ($minimal) {
832: $checked{'minimal'} = $check;
833: $display{'minimal'} = 'block';
834: } else {
835: $checked{'template'} = $check;
836: $checked{'templatebox'} = $check;
837: $display{'templatebox'} = 'block';
838: }
839: my $protocol = ($ENV{'SERVER_PORT'} == 443?'https':'http');
840:
841: my $output =
842: '<form name="syllabus" method="post" enctype="multipart/form-data" action="">'."\n".
843: '<input type="hidden" name="forceedit" value="1" />'."\n".
844: '<div class="LC_left_float"><fieldset><legend>'.$lt{'type'}.'</legend>';
845: foreach my $item ('minimal','template','url','file') {
846: $output .= '<label><input type="radio" name="choice" value="'.$item.'" '.$checked{$item}.' onclick="toggleEditor('."'$item'".')" />'.
847: $lt{$item}.'</label><br />';
848: }
849: $output .= '</fieldset></div>'."\n".
850: '<div id="url" class="LC_left_float" style="display: '.$display{'url'}.'">'."\n".
851: '<fieldset><legend>'.$lt{'chourl'}.'</legend><span class="LC_nobreak">'."\n".
852: '<a href="javascript:extUrlPreview('."'syllabusurl','$protocol'".');">'.$lt{'pr'}.'</a></span> '."\n".
853: '<input type="text" id="syllabusurl" name="externalsyllabus" value="'.$external.'" size="55" />'."\n".
854: ' <input type="submit" name="storeurl" value="'.$lt{'save'}.'" />'."\n".
855: '</fieldset></div>'."\n".
856: '<div id="minimal" class="LC_left_float" style="display: '.$display{'minimal'}.'">'."\n".
857: '<fieldset><legend>'.$lt{'minimal'}.'</legend>';
858: if ($minimal) {
859: my ($absurl,$filename,$depbutton) = &syllabus_file_info($r,$minimal,$cnum,$cdom,$lonhost,'minimal');
860: $output .= '<a href="javascript:extUrlPreview('."'currminimal'".');">'.$lt{'pr'}.'</a>'.
861: '<input type="hidden" name="minimalfile" value="'.&HTML::Entities::encode($absurl).'?inhibitmenu=yes" id="currminimal" />'.
862: $depbutton;
863: } else {
864: $output .= &mt('Title of Syllabus Page:').' '.
865: '<input type="text" id="minimaltitle" name="syllabustitle" value="'.&mt('Syllabus').'" size="30" />'."\n".
866: ' <input type="submit" name="storeminimal" value="'.$lt{'sved'}.'" />'."\n";
867: }
868: $output .= '</fieldset></div>'."\n".
869: '<div id="file" class="LC_left_float" style="display: '.$display{'file'}.'">'."\n".
870: '<fieldset><legend>'.$lt{'file'}.'</legend>';
871: if ($uploaded) {
872: my ($absurl,$filename,$depbutton) = &syllabus_file_info($r,$uploaded,$cnum,$cdom,$lonhost,'file');
873: $output .= '<span class="LC_nobreak">'.$lt{'curr'}.' '.
874: '<input type="hidden" name="uploadedfile" value="'.&HTML::Entities::encode($absurl).'?inhibitmenu=yes" id="currfile" />'.
875: '<a href="javascript:extUrlPreview('."'currfile'".');">'.$filename.'</a></span>'.$depbutton.
876: '<br /><br />'.$lt{'rep'};
877: } else {
878: $output .= $lt{'upl'};
879: }
880: $output .= '<br />'."\n".
881: '<span class="LC_nobreak">'.
882: '<input type="file" name="syllabusfile" size="55" />'."\n".
883: ' <input type="submit" name="storefile" value="'.$lt{'save'}.'" />'.
884: '</span><br />'.
885: '<label>'.
886: '<input type="checkbox" name="parserflag" checked="checked" />'.
887: $lt{'parse'}.
888: '</label>'.
889: '</fieldset></div>'.
890: '<div id="templatebox" class="LC_left_float" style="display: '.
891: $display{'templatebox'}.';"><fieldset><legend>'.$lt{'templateboxes'}.
892: ' <input type="button" value="'.&mt('check all').'" '.
893: 'onclick="javascript:checkAll('."document.syllabus.showfield".');javascript:toggleBox('."'all'".');" />'.
894: (' 'x2).
895: '<input type="button" value="'.&mt('uncheck all').'" '.
896: 'onclick="javascript:uncheckAll('."document.syllabus.showfield".');javascript:toggleBox('."'all'".');" />'.
897: '</legend>'.
898: &fields_check_uncheck($fields,$values).
899: '</fieldset><br />'.
900: '<input type="submit" name="storesyl" value="'.&mt('Save All').'" />'.
901: '</div>';
902: $output .= '<div style="padding:0;clear:both;margin:0;border:0"></div>';
903: return $output;
904: }
905:
906: sub syllabus_file_info {
907: my ($r,$item,$cnum,$cdom,$lonhost,$context) = @_;
908: my $hostname = &Apache::lonnet::hostname($lonhost);
909: my $protocol = $Apache::lonnet::protocol{$lonhost};
910: $protocol = 'http' if ($protocol ne 'https');
911: my $alias = &Apache::lonnet::use_proxy_alias($r,$lonhost);
912: $hostname = $alias if ($alias ne '');
913: my $absurl = $protocol.'://'.$hostname.$item;
914: my ($filename) = ($item =~ m{([^/]+)$});
915: my $file=&Apache::lonnet::filelocation("",$item);
916: my ($depbutton,$filetype,$editable);
917: if ($file =~ /\.(xhtml|xml|tex|html|htm)$/) {
918: $filetype=$1;
919: }
920: if ($filetype) {
921: unless ($filetype eq 'tex') {
922: $filetype='html';
923: }
924: }
925: if ($filetype eq 'html') {
926: my $filecontents=&Apache::lonnet::getfile($file);
927: unless ($filecontents eq -1) {
928: my $mm = new File::MMagic;
929: my $mimetype = $mm->checktype_contents($filecontents);
930: if ($mimetype eq 'text/html') {
931: my (%codebase,%allfiles);
932: my $parse_result = &Apache::lonnet::extract_embedded_items($item,\%allfiles,
933: \%codebase,\$filecontents);
934: my $actionurl = "/public/$cdom/$cnum/syllabus";
935: my ($ignore,$num,$numpathchanges,$existing,$mapping) =
936: &Apache::loncommon::ask_for_embedded_content($actionurl,undef,\%allfiles,
937: \%codebase,
938: {'context' => 'rewrites',
939: 'ignore_remote_references' => 1,});
940: $editable = 1;
941: }
942: }
943: }
944: $depbutton = (' ' x 3).
945: &editfile_button($item,$context,$editable).
946: &editbutton_js();
947: return ($absurl,$filename,$depbutton);
948: }
949:
950: sub fields_check_uncheck {
951: my ($fields,$values) = @_;
952: return unless ((ref($fields) eq 'HASH') && (ref($values) eq 'HASH'));
953: my $numinrow = 4;
954: my $table;
955: my @fieldnames = sort(keys(%{$fields}));
956: unshift(@fieldnames,'000_showpeople','111_showrssfeeds');
957: my $numfields = scalar(@fieldnames);
958: my %included;
959: if (($values->{'uploaded.fields'}) && ($values->{'uploaded.fields'} ne 'none')) {
960: map { $included{$_} = 1; } split(/,/,$values->{'uploaded.fields'});
961: }
962: for (my $i=0; $i<$numfields; $i++) {
963: my ($name,$checked);
964: if ($fieldnames[$i] eq '000_showpeople') {
965: $name = &mt('Personnel');
966: } elsif ($fieldnames[$i] eq '111_showrssfeeds') {
967: $name = &mt('RSS Feeds and Blogs');
968: } else {
969: $name = $fields->{$fieldnames[$i]};
970: }
971: if ($values->{'uploaded.fields'}) {
972: unless ($values->{'uploaded.fields'} eq 'none') {
973: my ($prefix) = split(/_/,$fieldnames[$i]);
974: if ($included{$prefix}) {
975: $checked = ' checked="checked"';
976: }
977: }
978: } else {
979: if ($fieldnames[$i] eq '000_showpeople') {
980: $checked = ' checked="checked"';
981: } elsif ($fieldnames[$i] eq '111_showrssfeeds') {
982: $checked = ' checked="checked"';
983: } else {
984: if ($values->{$fieldnames[$i]} ne '') {
985: $checked = ' checked="checked"';
986: }
987: }
988: }
989: my $rem = $i%($numinrow);
990: if ($rem == 0) {
991: if (($i > 0) && ($i < $numfields)) {
992: $table .= '</tr>';
993: }
994: if ($i < $numfields) {
995: $table .= '<tr>';
996: }
997: }
998: if ($i == $numfields-1) {
999: my $rem = $numfields%($numinrow);
1000: my $colsleft = $numinrow - $rem;
1001: if ($colsleft > 1) {
1002: $table .= '<td colspan="'.$colsleft.'">';
1003: } else {
1004: $table .= '</td>';
1005: }
1006: } else {
1007: $table .= '<td>';
1008: }
1009: $table .=
1010: '<label><input type="checkbox" name="showfield" value="'.$fieldnames[$i].'" '.
1011: $checked.' id="showfield_'.$i.'" onclick="javascript:toggleBox('."'$fieldnames[$i]',this".');" />'.
1012: $name.'</label></td>'."\n";
1013: }
1014: if ($table ne '') {
1015: my $rem = $numfields%($numinrow);
1016: my $colsleft = $numinrow - $rem;
1017: if ($colsleft > 1 ) {
1018: $table .= '<td colspan="'.$colsleft.'"> </td>';
1019: } elsif ($colsleft == 1) {
1020: $table .= '<td> </td>';
1021: }
1022: $table = '<table>'.$table.'</tr></table>';
1023: }
1024: return $table;
1025: }
1026:
1027: sub get_personnel {
1028: my ($r,$target,$cdom,$cnum,$allowed,$crstype,$syllabus) = @_;
1029: my (%hiddenroles,%hiddenusers);
1030: if (ref($syllabus) eq 'HASH') {
1031: if (ref($syllabus->{'personnel'}) eq 'HASH') {
1032: if ($syllabus->{'personnel'}{'hiderole'}) {
1033: map { $hiddenroles{$_} = 1; } split(/,/,$syllabus->{'personnel'}{'hiderole'});
1034: }
1035: if ($syllabus->{'personnel'}{'hideuser'}) {
1036: map { $hiddenusers{$_} = 1; } split(/,/,$syllabus->{'personnel'}{'hideuser'});
1037: }
1038: }
1039: }
1040: my $output;
1041: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum,1);
1042: if ($target ne 'tex') {
1043: if ($allowed) {
1044: $r->print(&Apache::loncommon::start_data_table().
1045: &Apache::loncommon::start_data_table_header_row().
1046: '<th>'.&mt('Role hidden?').'</th><th>'.&mt('Role').'</th>'.
1047: '<th>'.&mt('Personnel (hidden if checked)').'</th>'.
1048: &Apache::loncommon::end_data_table_header_row());
1049: } else {
1050: $r->print(&Apache::lonhtmlcommon::start_pick_box());
1051: }
1052: } else {
1053: $r->print('\begin{tabular}{|p{0.45\textwidth}|p{0.45\textwidth}|}\hline');
1054: }
1055: my @personnel=sort(keys(%coursepersonnel));
1056: my $lastpers=$personnel[$#personnel];
1057: foreach my $element (@personnel) {
1058: unless ($allowed) {
1059: next if ($hiddenroles{$element})
1060: }
1061: my ($role,$sec);
1062: if ($element =~ /:/) {
1063: ($role,$sec) = split(/:/,$element);
1064: } else {
1065: $role = $element;
1066: }
1067: my $roletext = &Apache::lonnet::plaintext($role,$crstype);
1068: if ($sec) {
1069: $roletext .=' ('.&Apache::lonlocal::mt('Section [_1]',$sec).')';
1070: }
1071: if ($target ne 'tex') {
1072: if ($allowed) {
1073: my $checked;
1074: if ($hiddenroles{$element}) {
1075: $checked = ' checked="checked"';
1076: }
1077: $r->print(&Apache::loncommon::start_data_table_row().
1078: '<td>'.
1079: '<input type="checkbox" name="hiderole" value="'.$element.'" '.
1080: $checked.' />'.
1081: '</td><td>'.$roletext.'</td><td>');
1082: } else {
1083: $r->print(&Apache::lonhtmlcommon::row_title($roletext));
1084: }
1085: } else {
1086: $r->print(' '.&Apache::lonxml::xmlparse($r,'tex',$roletext).' & ');
1087: }
1088: my @coursepersonlist;
1089: foreach my $user (split(/\,/,$coursepersonnel{$element})) {
1090: my ($puname,$pudom)=split(/\:/,$user);
1091: if ($target ne 'tex') {
1092: my $courseperson = &Apache::loncommon::plainname($puname,$pudom);
1093: my $checked;
1094: if ($hiddenusers{$element.'&'.$puname.':'.$pudom}) {
1095: $checked = ' checked="checked"';
1096: }
1097: if ($allowed) {
1098: my $item = '<span class="LC_nobreak"><label>'.
1099: '<input type="checkbox" name="hideuser" value="'.$element.'&'.$puname.':'.$pudom.'"'.$checked.' />'.
1100: &Apache::loncommon::aboutmewrapper($courseperson
1101: ,
1102: $puname,$pudom).
1103: '</label>'.(' 'x2).'</span> ';
1104: push(@coursepersonlist,$item);
1105:
1106: } else {
1107: next if ($hiddenusers{$element.'&'.$puname.':'.$pudom});
1108: if (($env{'user.name'} eq '') || ($env{'user.name'} eq 'public') ||
1109: ($env{'user.domain'} eq '') || ($env{'user.domain'} eq 'public')) {
1110: push(@coursepersonlist,$courseperson);
1111: } else {
1112: push(@coursepersonlist,&Apache::loncommon::aboutmewrapper($courseperson,
1113: $puname,$pudom));
1114: }
1115: }
1116: } else {
1117: push(@coursepersonlist,&Apache::loncommon::plainname($puname,
1118: $pudom).' ');
1119: }
1120: }
1121: if ($allowed) {
1122: $r->print(join('',@coursepersonlist));
1123: } else {
1124: $r->print(join(', ',@coursepersonlist));
1125: }
1126: if ($target ne 'tex') {
1127: if ($allowed) {
1128: $r->print('</td>'.&Apache::loncommon::end_data_table_row());
1129: } else {
1130: my $lastclose=$element eq $lastpers?1:0;
1131: $r->print(&Apache::lonhtmlcommon::row_closure($lastclose));
1132: }
1133: } else {
1134: $r->print('\\\\ \hline');
1135: }
1136: }
1137: if ($target ne 'tex') {
1138: if ($allowed) {
1139: $r->print(&Apache::loncommon::end_data_table());
1140: } else {
1141: $r->print(&Apache::lonhtmlcommon::end_pick_box());
1142: }
1143: } else {
1144: $r->print('\end{tabular}\\\\');
1145: }
1146: return;
1147: }
1148:
1149: sub save_changes {
1150: my ($cnum,$cdom,$uploaded,$external,$minimal,$syllabus,$syllabusfields,$courseenv) = @_;
1151: my ($earlyout,$output);
1152: unless ((ref($syllabus) eq 'HASH') && (ref($syllabusfields) eq 'HASH') ||
1153: (ref($courseenv) eq 'HASH')) {
1154: return ($earlyout,$uploaded,$external,$minimal,$output);
1155: }
1156: my ($was_ext,$is_ext,$putres);
1157: if ($external) {
1158: $was_ext = $external;
1159: }
1160: if (($env{'form.deleteuploaded_file'}) || ($env{'form.deleteuploaded_minimal'})) {
1161: my %storehash;
1162: if (($env{'form.choice'} eq 'file') &&
1163: ($env{'form.deleteuploaded_file'}) && ($uploaded =~ /\w/)) {
1164: if ($courseenv->{'uploadedsyllabus'} =~ m{^\Q/uploaded/$cdom/$cnum/portfolio\E(/syllabus/.+)$}) {
1165: my $filename = $1;
1166: &update_access_permissions($cdom,$cnum,$filename);
1167: }
1168: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.uploadedsyllabus');
1169: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.externalsyllabus');
1170: $storehash{'uploadedsyllabus'} = '';
1171: $storehash{'externalsyllabus'} = '';
1172: $putres = &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1173: undef($uploaded);
1174: undef($external);
1175: } elsif (($env{'form.choice'} eq 'minimal') &&
1176: ($env{'form.deleteuploaded_minimal'}) && ($minimal =~ /\w/)) {
1177: my $minimalurl = "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html";
1178: if ($courseenv->{'minimalsyllabus'} eq "$minimalurl") {
1179: my $filecontents=&Apache::lonnet::getfile(&Apache::lonnet::filelocation("",$minimalurl));
1180: unless ($filecontents eq -1) {
1181: $env{'form.output'} = $filecontents;
1182: &Apache::lonnet::finishuserfileupload($cnum,$cdom,'output',
1183: 'portfolio/syllabus/loncapa.html.bak');
1184: $minimalurl = &default_minimal_syllabus($cnum,$cdom);
1185: }
1186: }
1187: &update_access_permissions($cdom,$cnum,'/syllabus/loncapa.html');
1188: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.externalsyllabus');
1189: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.minimalsyllabus');
1190: $storehash{'externalsyllabus'} = '';
1191: $storehash{'minimalsyllabus'} = '';
1192: $putres = &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1193: undef($external);
1194: undef($minimal);
1195: }
1196: } elsif ($env{'form.choice'} eq 'template') {
1197: #store what the user typed in to the template
1198: my @shown = &Apache::loncommon::get_env_multiple('form.showfield');
1199: $syllabus->{'uploaded.fields'} = '';
1200: if (@shown == 0) {
1201: $syllabus->{'uploaded.fields'} = 'none';
1202: } else {
1203: foreach my $field (sort(@shown)) {
1204: if (($field eq '000_showpeople') ||
1205: ($field eq '111_showrssfeeds') ||
1206: ($syllabusfields->{$field})) {
1207: my ($prefix) = split(/_/,$field);
1208: $syllabus->{'uploaded.fields'} .= $prefix.',';
1209: }
1210: if ($field eq '000_showpeople') {
1211: my @hideusers = &Apache::loncommon::get_env_multiple('form.hideuser');
1212: my @hideroles = &Apache::loncommon::get_env_multiple('form.hiderole');
1213: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum,1);
1214: my %personnel;
1215: foreach my $key (keys(%coursepersonnel)) {
1216: map { $personnel{$key}{$_} = 1; } split(/,/,$coursepersonnel{$key});
1217: }
1218: %{$syllabus->{'personnel'}} = ();
1219: $syllabus->{'personnel'}{'hideuser'} = '';
1220: $syllabus->{'personnel'}{'hiderole'} = '';
1221: foreach my $role (@hideroles) {
1222: if (exists($personnel{$role})) {
1223: $syllabus->{'personnel'}{'hiderole'} .= $role.',';
1224: }
1225: }
1226: foreach my $item (@hideusers) {
1227: my ($role,$user) = split(/\&/,$item);
1228: if (ref($personnel{$role}) eq 'HASH') {
1229: if ($personnel{$role}{$user}) {
1230: $syllabus->{'personnel'}{'hideuser'} .= $item.',';
1231: }
1232: }
1233: }
1234: $syllabus->{'personnel'}{'hideuser'} =~ s/,$//;
1235: $syllabus->{'personnel'}{'hiderole'} =~ s/,$//;
1236: }
1237: }
1238: $syllabus->{'uploaded.fields'} =~ s/,$//;
1239: }
1240: foreach my $syl_field (keys(%{$syllabusfields})) {
1241: my $field=$env{'form.'.$syl_field};
1242: chomp($field);
1243: my $gateway = Apache::lonhtmlgateway->new();
1244: $field = $gateway->process_incoming_html($field,1);
1245: #here it will be stored
1246: $syllabus->{$syl_field}=$field;
1247: if ($syl_field eq 'lll_includeurl') { # clean up included URLs
1248: my $field='';
1249: foreach my $value (split(/\n/,$syllabus->{$syl_field})) {
1250: my $url=$value;
1251: # get rid of leading and trailing spaces
1252: $url=~s/^\s+//;
1253: $url=~s/\s+$//;
1254: if ($url=~m|^https?\://([^/]+)/(.+)$|) {
1255: my $host = $1;
1256: my $remainder=$2;
1257: # remove the hostname from internal URLs
1258: my $hostname = &Apache::lonnet::hostname($host);
1259: my %all_hostnames = &Apache::lonnet::all_hostnames();
1260: foreach my $possible_host (keys(%all_hostnames)) {
1261: if ($possible_host =~ /\Q$hostname\E/i) {
1262: $url=$remainder;
1263: }
1264: }
1265: }
1266: # norm internal URLs
1267: unless ($url=~/^https?\:/) {
1268: $url=&Apache::lonnet::clutter($url);
1269: }
1270: # re-assemble field
1271: if ($url) {
1272: $field.=$url."\n";
1273: }
1274: }
1275: $syllabus->{$syl_field}=$field;
1276: }
1277: }
1278: my $now = time;
1279: $syllabus->{'uploaded.domain'}=$env{'user.domain'};
1280: $syllabus->{'uploaded.name'}=$env{'user.name'};
1281: $syllabus->{'uploaded.lastmodified'} = $now;
1282: $putres = &Apache::lonnet::put('syllabus',$syllabus,$cdom,$cnum);
1283: if ($putres eq 'ok') {
1284: ($uploaded,$minimal,$external) =
1285: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1286: $minimal,$external);
1287: $output = '<div>'.
1288: &Apache::lonhtmlcommon::confirm_success(&mt('Template saved.')).
1289: '</div>';
1290: } else {
1291: $output = '<div class="LC_error">'.
1292: &mt('An error occurred storing the template: [_1]',$putres).
1293: '</div>';
1294: }
1295: } elsif ($env{'form.choice'} eq 'url') {
1296: if ($env{'form.externalsyllabus'} =~ m{^https?://}) {
1297: if ($env{'form.externalsyllabus'} eq $external) {
1298: $output = '<div class="LC_info">'.
1299: &mt('External URL unchanged.').
1300: '</div>';
1301: ($uploaded,$minimal,$external) =
1302: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1303: $minimal,$external);
1304: } else {
1305: $external=$env{'form.externalsyllabus'};
1306: $external =~ s/(`)//g;
1307: $putres =
1308: &Apache::lonnet::put('environment',{externalsyllabus=>$external},
1309: $cdom,$cnum);
1310: if ($putres eq 'ok') {
1311: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.externalsyllabus' => $external});
1312: $output = '<div>'.
1313: &Apache::lonhtmlcommon::confirm_success(&mt('External URL saved.')).
1314: '</div>';
1315: ($uploaded,$minimal,$external) =
1316: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1317: $minimal,$external);
1318: } else {
1319: $output = '<div class="LC_error">'.
1320: &mt('An error occurred storing the external URL: [_1]',$putres).
1321: '</div>';
1322: }
1323: }
1324: $is_ext = $external;
1325: } else {
1326: $output = '<div class="LC_error">'.
1327: &mt('External URL not saved -- invalid URL.').
1328: '</div>';
1329: }
1330: } elsif (($env{'form.choice'} eq 'file') || ($env{'form.choice'} eq 'minimal')) {
1331: # Process file upload - phase one - upload and parse primary file.
1332: my ($upload_result,$uploadphase,$url,$needlink,$error,$errormsg);
1333: if ($env{'form.choice'} eq 'file') {
1334: if ($env{'form.syllabusfile.filename'}) {
1335: my %allfiles = ();
1336: my %codebase = ();
1337: ($url,$needlink) = &process_upload(\$output,$cnum,$cdom,
1338: \%allfiles,\%codebase);
1339: } else {
1340: $output = '<div class="LC_info">'.
1341: &mt('No file uploaded').
1342: '</div>';
1343: }
1344: } elsif ($env{'form.choice'} eq 'minimal') {
1345: $url = "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html";
1346: my $filecontents=&Apache::lonnet::getfile(&Apache::lonnet::filelocation("",$url));
1347: if ($filecontents eq -1) {
1348: $url = &default_minimal_syllabus($cnum,$cdom);
1349: }
1350: }
1351: if ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E.*/[^/]+$}) {
1352: my $exturl = &home_http_host($cdom,$cnum);
1353: if ($exturl) {
1354: $exturl .= $url;
1355: }
1356: my %storehash;
1357: if ($env{'form.choice'} eq 'minimal') {
1358: $storehash{'minimalsyllabus'} = $url;
1359: } else {
1360: $storehash{'uploadedsyllabus'} = $url;
1361: }
1362: if ($exturl) {
1363: $storehash{'externalsyllabus'} = $exturl;
1364: if ($exturl =~ /\.(html?|txt|js|css)$/) {
1365: $exturl .= '?inhibitmenu=yes';
1366: }
1367: } else {
1368: $storehash{'externalsyllabus'} = '',
1369: }
1370: $putres =
1371: &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1372: if ($putres eq 'ok') {
1373: &Apache::lonnet::make_public_indefinitely($url);
1374: foreach my $key (keys(%storehash)) {
1375: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.'.$key => $storehash{$key}});
1376: }
1377: if ($env{'form.choice'} eq 'minimal') {
1378: $minimal = $url;
1379: } else {
1380: $uploaded = $url;
1381: }
1382: if ($needlink) {
1383: $output .= &return_to_editor($cdom,$cnum);
1384: $earlyout = 1;
1385: }
1386: ($uploaded,$minimal,$external) =
1387: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1388: $minimal,$external);
1389: } else {
1390: $error = 1;
1391: $errormsg = $putres;
1392: }
1393: } else {
1394: $error = 1;
1395: }
1396: if ($error) {
1397: $output = '<div class="LC_error">';
1398: if ($env{'form.choice'} eq 'minimal') {
1399: $output = &mt('An error occurred creating the minimal template file [_1]',$errormsg);
1400: } else {
1401: $output = &mt('An error occurred storing the uploaded file [_1]',$errormsg);
1402: }
1403: $output .= '</div>';
1404: }
1405: } elsif ($env{'form.phase'} eq 'upload_embedded') {
1406: # Process file upload - phase two - upload embedded objects
1407: my $uploadphase = 'check_embedded';
1408: my $primaryurl = &HTML::Entities::encode($env{'form.primaryurl'},'<>&"');
1409: my $state = &embedded_form_elems($uploadphase,$primaryurl);
1410: my $url_root = '/uploaded/'.$cdom.'/'.$cnum;
1411: my $actionurl = "/public/$cdom/$cnum/syllabus";
1412: my ($result,$flag,$numpathchgs) =
1413: &Apache::loncommon::upload_embedded('syllabus','portfolio/syllabus',
1414: $cnum,$cdom,'/userfiles',$url_root,undef,undef,undef,$state,
1415: $actionurl);
1416: unless ($numpathchgs) {
1417: my $modres =
1418: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1419: $cnum,$cdom,
1420: '/userfiles',$env{'form.primaryurl'});
1421: $result .= $modres;
1422: }
1423: $output = $result.&return_to_editor($cdom,$cnum);
1424: $earlyout = 1;
1425: } elsif ($env{'form.phase'} eq 'check_embedded') {
1426: # Process file upload - phase three - modify references in HTML file
1427: my $uploadphase = 'modified_orightml';
1428: my $result =
1429: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1430: $cnum,$cdom,
1431: '/userfiles',$env{'form.primaryurl'});
1432: $output = $result.&return_to_editor($cdom,$cnum);
1433: $earlyout = 1;
1434: }
1435: if ($putres eq 'ok') {
1436: if ((($is_ext) && ($is_ext ne $was_ext)) || ($was_ext)) {
1437: my $chome = &Apache::lonnet::homeserver($cnum,$cdom);
1438: unless ($chome eq 'no_host') {
1439: my %crsinfo = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,undef,undef,'.');
1440: if (ref($crsinfo{$cdom.'_'.$cnum}) eq 'HASH') {
1441: if ($external =~ m{^http://}) {
1442: $crsinfo{$cdom.'_'.$cnum}{'extsyllplain'} = 1;
1443: } elsif ($crsinfo{$cdom.'_'.$cnum}{'extsyllplain'}) {
1444: delete($crsinfo{$cdom.'_'.$cnum}{'extsyllplain'});
1445: }
1446: &Apache::lonnet::courseidput($cdom,\%crsinfo,$chome,'notime');
1447: }
1448: }
1449: }
1450: }
1451: return ($earlyout,$uploaded,$external,$minimal,$output);
1452: }
1453:
1454: sub default_minimal_syllabus {
1455: my ($cnum,$cdom) = @_;
1456: my $title;
1457: if ($env{'form.syllabustitle'}) {
1458: $title = $env{'form.syllabustitle'};
1459: $title =~ s{`}{}g;
1460: $title=~s/^\s+//;
1461: $title=~s/\s+$//;
1462: }
1463: if ($title eq '') {
1464: $title = &mt('Syllabus');
1465: }
1466: my $initialtext = &mt('Replace with your own content.');
1467: my $newhtml = <<END;
1468: <html>
1469: <head>
1470: <title>$title</title>
1471: </head>
1472: <body bgcolor="#ffffff">
1473: <h2>$title</h2>
1474: $initialtext
1475: </body>
1476: </html>
1477: END
1478: $env{'form.output'}=$newhtml;
1479: return &Apache::lonnet::finishuserfileupload($cnum,$cdom,'output',
1480: 'portfolio/syllabus/loncapa.html');
1481: }
1482:
1483: sub update_syllabus_env {
1484: my ($cdom,$cnum,$courseenv,$saved,$uploaded,$minimal,$external) = @_;
1485: return ($uploaded,$minimal,$external) unless(ref($courseenv) eq 'HASH');
1486: my $now = time;
1487: my (@envkeys,%storehash);
1488: if ($saved eq 'template') {
1489: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1490: push(@envkeys,'uploaded');
1491: }
1492: if ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1493: push(@envkeys,'minimal');
1494: }
1495: if ($external || $env{'course.'.$env{'request.course.id'}.'.externalsyllabus'}) {
1496: push(@envkeys,'external');
1497: }
1498: $storehash{'updatedsyllabus'} = $now;
1499: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.updatedsyllabus' => $now
1500: });
1501: } elsif ($saved eq 'url') {
1502: my $prefix = &home_http_host($cdom,$cnum);
1503: if ($external =~ m{^\Q$prefix/uploaded/$cdom/$cnum/portfolio/syllabus/\E(.+)$}) {
1504: my $file = $1;
1505: if ($file eq 'loncapa.html') {
1506: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1507: push(@envkeys,'uploaded');
1508: }
1509: } elsif ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1510: push(@envkeys,'minimal');
1511: }
1512: } else {
1513: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1514: push(@envkeys,'uploaded');
1515: }
1516: if ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1517: push(@envkeys,'minimal');
1518: }
1519: }
1520: } elsif ($saved eq 'file') {
1521: if ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1522: push(@envkeys,'minimal');
1523: }
1524: } elsif ($saved eq 'minimal') {
1525: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1526: push(@envkeys,'uploaded');
1527: }
1528: }
1529: if (@envkeys > 0) {
1530: foreach my $item (@envkeys) {
1531: my $key = $item.'syllabus';
1532: if ($courseenv->{$key} ne '') {
1533: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.'.$key);
1534: if ($item eq 'minimal') {
1535: &update_access_permissions($cdom,$cnum,'/syllabus/loncapa.html');
1536: } elsif ($item eq 'uploaded') {
1537: if ($courseenv->{$key} =~ m{^\Q/uploaded/$cdom/$cnum/portfolio\E(/syllabus/.+)$}) {
1538: my $filename = $1;
1539: &update_access_permissions($cdom,$cnum,$filename);
1540: }
1541: }
1542: $storehash{$key} = '';
1543: } elsif ($env{'course.'.$env{'request.course.id'}.'.'.$key} ne '') {
1544: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.'.$key);
1545: }
1546: if ($item eq 'uploaded') {
1547: undef($uploaded);
1548: }
1549: if ($item eq 'external') {
1550: undef($external);
1551: }
1552: if ($item eq 'minimal') {
1553: undef($minimal);
1554: }
1555: }
1556: }
1557: if (keys(%storehash) > 0) {
1558: &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1559: }
1560: return ($uploaded,$minimal,$external);
1561: }
1562:
1563: sub update_access_permissions {
1564: my ($cdom,$cnum,$file_name) = @_;
1565: my $current_permissions = &Apache::lonnet::get_portfile_permissions($cdom,$cnum);
1566: my %access_controls =
1567: &Apache::lonnet::get_access_controls($current_permissions,'',$file_name);
1568: if (keys(%access_controls) > 0) {
1569: my %changes;
1570: foreach my $key (keys(%{$access_controls{$file_name}})) {
1571: $changes{'delete'}{$key} = 1;
1572: }
1573: if (keys(%changes) > 0) {
1574: my ($outcome,$deloutcome,$new_values,$translation) =
1575: &Apache::lonnet::modify_access_controls($file_name,\%changes,
1576: $cdom,$cnum);
1577: }
1578: }
1579: return;
1580: }
1581:
1582: sub home_http_host {
1583: my ($cdom,$cnum) = @_;
1584: my $home=&Apache::lonnet::homeserver($cnum,$cdom);
1585: if ($home ne 'no_host') {
1586: my $hostname = &Apache::lonnet::hostname($home);
1587: my $protocol = $Apache::lonnet::protocol{$home};
1588: $protocol = 'http' if ($protocol ne 'https');
1589: return $protocol.'://'.$hostname;
1590: }
1591: return;
1592: }
1593:
1594: sub process_upload {
1595: my ($upload_output,$cnum,$cdom,$allfiles,$codebase) = @_;
1596: my ($parseaction,$showupload,$mimetype);
1597: my $dest = 'portfolio/syllabus';
1598: if ($env{'form.parserflag'}) {
1599: $parseaction = 'parse';
1600: }
1601: my $url=&Apache::lonnet::userfileupload('syllabusfile','syllabus',$dest,
1602: $parseaction,$allfiles,
1603: $codebase,undef,undef,undef,undef,
1604: undef,undef,\$mimetype);
1605: if ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E.*/([^/]+)$}) {
1606: my $stored = $1;
1607: $showupload = '<p>'.&mt('Uploaded [_1]',
1608: '<span class="LC_filename">'.$stored.'</span>').
1609: '</p>';
1610: } else {
1611: my ($filename) = ($env{'form.syllabusfile.filename'} =~ m{([^/]+)$});
1612: $$upload_output = '<div class="LC_error" id="uploadfileresult">'.
1613: &mt('Unable to save file [_1].',
1614: '<span class="LC_filename">'.$filename.'</span>').
1615: '</div>';
1616: return ();
1617: }
1618: my $needlink;
1619: if (($parseaction eq 'parse') && ($mimetype eq 'text/html')) {
1620: $$upload_output = $showupload;
1621: my $total_embedded = scalar(keys(%{$allfiles}));
1622: if ($total_embedded > 0) {
1623: my $uploadphase = 'upload_embedded';
1624: my $primaryurl = &HTML::Entities::encode($url,'<>&"');
1625: my $state = &embedded_form_elems($uploadphase,$primaryurl);
1626: my $actionurl = "/public/$cdom/$cnum/syllabus";
1627: my ($embedded,$num,$numpathchanges,$existing);
1628: ($embedded,$num,$numpathchanges,$existing) =
1629: &Apache::loncommon::ask_for_embedded_content($actionurl,$state,
1630: $allfiles,$codebase,
1631: {'error_on_invalid_names' => 1,
1632: 'ignore_remote_references' => 1,});
1633: if ($embedded) {
1634: $needlink = 1;
1635: if ($num) {
1636: $$upload_output .=
1637: '<p>'.&mt('This file contains embedded multimedia objects, which need to be uploaded.').'</p>'.$embedded;
1638: } elsif ($numpathchanges) {
1639: $$upload_output .= $embedded;
1640: } else {
1641: $$upload_output .= $embedded;
1642: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1643: $cnum,$cdom,'/userfiles',$url);
1644: }
1645: } else {
1646: $$upload_output .= &mt('Embedded item(s) already present, so no additional upload(s) required').'<br />';
1647: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1648: $cnum,$cdom,'/userfiles',$url);
1649:
1650: }
1651: } else {
1652: $$upload_output .= &mt('No embedded items identified').'<br />';
1653: }
1654: $$upload_output = '<div id="uploadfileresult">'.$$upload_output.'</div>';
1655: }
1656: return ($url,$needlink);
1657: }
1658:
1659: sub embedded_form_elems {
1660: my ($phase,$primaryurl) = @_;
1661: return <<STATE;
1662: <input type="hidden" name="forceedit" value="1" />
1663: <input type="hidden" name="cmd" value="upload_embedded" />
1664: <input type="hidden" name="phase" value="$phase" />
1665: <input type="hidden" name="primaryurl" value="$primaryurl" />
1666: STATE
1667: }
1668:
1669: sub return_to_editor {
1670: my ($cdom,$cnum) = @_;
1671: my $actionurl = "/public/$cdom/$cnum/syllabus";
1672: return '<p><form name="backtoeditor" method="post" action="'.$actionurl.'" />'.
1673: '<input type="hidden" name="forceedit" value="1" />'."\n".
1674: '<a href="javascript:document.backtoeditor.submit();">'.&mt('Return to Editor').
1675: '</a></p>';
1676: }
1677:
1678: sub editfile_button {
1679: my ($url,$context,$editable) = @_;
1680: my $edittext=&mt('Edit');
1681: my $deltext=&mt('Delete');
1682: my $output;
1683: if ($editable) {
1684: $output = '
1685: <input type="button" value="'.$edittext.'" onclick="javascript:gotoeditor('."'$url'".');" name="edit_'.$context.'" />
1686: ';
1687: }
1688: $output .= '
1689: <input type="button" value="'.$deltext.'" onclick="javascript:dodelete('."'$context'".');" name="del_'.$context.'" />
1690: <input type="hidden" value="" name="deleteuploaded_'.$context.'" id="deleteuploaded_'.$context.'" />
1691: ';
1692: return $output;
1693: }
1694:
1695: sub editbutton_js {
1696: my %js_lt = &Apache::lonlocal::texthash(
1697: min => 'Are you sure you want to delete the contents of the syllabus template?',
1698: file => 'Are you sure you want to delete the uploaded syllabus file?',
1699: noundo => 'This action cannot be reversed.'
1700: );
1701: &js_escape(\%js_lt);
1702: return <<ENDJS;
1703: <script type="text/javascript">
1704: // <![CDATA[
1705: function gotoeditor(url) {
1706: document.location.href = url+'?editmode=1&forceedit=1';
1707: }
1708: function dodelete(caller,url) {
1709: if (document.getElementById('deleteuploaded_'+caller)) {
1710: document.getElementById('deleteuploaded_'+caller).value=1;
1711: if (caller == 'minimal') {
1712: if (confirm("$js_lt{'min'}"+"\\n"+"$js_lt{'noundo'}")) {
1713: document.syllabus.submit();
1714: }
1715: }
1716: if (caller == 'file') {
1717: if (confirm("$js_lt{'file'}"+"\\n"+"$js_lt{'noundo'}")) {
1718: document.syllabus.submit();
1719: }
1720: }
1721: }
1722: return;
1723: }
1724: // ]]>
1725: </script>
1726: ENDJS
1727: }
1728:
1729: sub redirect_to_http {
1730: my ($r) = @_;
1731: &Apache::loncommon::content_type($r,'text/html');
1732: &Apache::loncommon::no_cache($r);
1733: $r->send_http_header;
1734: my $url = 'http://'.$r->hostname().$r->uri().'?usehttp=1';
1735: $r->print(&Apache::loncommon::start_page(undef,undef,
1736: {'redirect' => [0,$url],}).
1737: &Apache::loncommon::end_page());
1738: return;
1739: }
1740:
1741: 1;
1742: __END__
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