File:
[LON-CAPA] /
loncom /
interface /
lonsyllabus.pm
Revision
1.122:
download - view:
text,
annotated -
select for diffs
Fri May 10 17:49:11 2013 UTC (11 years, 1 month ago) by
raeburn
Branches:
MAIN
CVS tags:
HEAD
- Bug 5962.
Additional syllabus option - minimal template (provides a "blank" HTML
file (portfolio/syllabus/loncapa.html) which can be edited using the
WYSIWYG editor.
- Edit button for uploaded syllabus file (html) and minimal template
provides direct access to WYSIWYG editing screen.
1: # The LearningOnline Network
2: # Syllabus
3: #
4: # $Id: lonsyllabus.pm,v 1.122 2013/05/10 17:49:11 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::lonannounce;
39: use Apache::lonlocal;
40: use Apache::lonhtmlcommon;
41: use Apache::lonspeller();
42: use HTML::Entities();
43:
44: sub handler {
45: my $r = shift;
46: &Apache::loncommon::content_type($r,'text/html');
47: $r->send_http_header;
48: return OK if $r->header_only;
49:
50: my $target=$env{'form.grade_target'};
51: # --------------------------------------------------- Get course info from URL
52: my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
53: # ------------------------------------------------------------ Get query string
54: &Apache::loncommon::get_unprocessed_cgi
55: ($ENV{'QUERY_STRING'},['register','forceedit','todocs',
56: 'folderpath','title']);
57: # ----------------------------------------------------- Is this even a course?
58: my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom);
59: if ($homeserver eq 'no_host') {
60: &Apache::loncommon::content_type($r,'text/html');
61: $r->send_http_header;
62: &Apache::loncommon::simple_error_page($r,'No syllabus available',
63: 'No syllabus available');
64: return OK;
65: } elsif (!&Apache::lonnet::is_course($cdom,$cnum)) {
66: &Apache::loncommon::content_type($r,'text/html');
67: $r->send_http_header;
68: &Apache::loncommon::simple_error_page($r,'No syllabus available',
69: 'The course/community for which the syllabus was requested does not exist.');
70: return OK;
71: }
72: # ------------------------------------- There is such a course, get environment
73: my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
74:
75: # ------------------------------------------------------------ Print the screen
76:
77: if ($target eq 'tex') {
78: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
79: }
80:
81: # --------------------------------------------------------------- Force Student
82: my ($forceedit,$forcestudent);
83: if ($env{'form.forceedit'}) { $forceedit=1; }
84: if (!$forceedit) {
85: $forcestudent=1;
86: }
87:
88: # --------------------------------------------------------------- Check Privileges
89: my $allowed = 0;
90: if ($env{'user.environment'}) {
91: # does this user have privileges to post, etc?
92: if ($env{'request.course.id'}
93: && $cdom eq $env{'course.'.$env{'request.course.id'}.'.domain'}
94: && $cnum eq $env{'course.'.$env{'request.course.id'}.'.num'}) {
95: $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
96: if ($forcestudent or $target eq 'tex') { $allowed=0; }
97: }
98: }
99:
100: # -------------------------------------------------- Let's see who handles this
101: my $external=$courseenv{'externalsyllabus'};
102: my $uploaded=$courseenv{'uploadedsyllabus'};
103: my $minimal=$courseenv{'minimalsyllabus'};
104:
105: if (($minimal =~/\w/) || ($uploaded =~/\w/)) {
106: my $item;
107: if ($minimal =~/\w/) {
108: if ($external =~ m{\Q$minimal\E$}) {
109: undef($external);
110: }
111: $item = $minimal;
112: } elsif ($uploaded =~/\w/) {
113: if ($external =~ m{\Q$uploaded\E$}) {
114: undef($external);
115: }
116: $item = $uploaded;
117: }
118: unless ($allowed && $forceedit) {
119: my $file=&Apache::lonnet::filelocation("",$item);
120: if ($file =~ /\.(sty|css|js|txt|tex|html?)$/) {
121: my $filetype;
122: if ($file =~ /\.(sty|css|js|txt|tex)$/) {
123: $filetype=$1;
124: } else {
125: $filetype='html';
126: }
127: my $result = '';
128: my $filecontents=&Apache::lonnet::getfile($file);
129: if ($filecontents eq -1) {
130: $r->print(&mt('Syllabus file unavailable'));
131: } elsif ($filetype eq 'html') {
132: my %mystyle;
133: &Apache::structuretags::reset_problem_globals();
134: my $oldfile = $env{'request.filename'};
135: $env{'request.filename'} = $item;
136: $result = &Apache::lonxml::xmlparse($r,'web',$filecontents,
137: '',%mystyle);
138: &Apache::structuretags::reset_problem_globals();
139: &Apache::lonhomework::finished_parsing();
140: $env{'request.filename'} = $oldfile;
141: &Apache::lonxml::add_messages(\$result);
142: $r->print($result);
143: }
144: } else {
145: $r->print(&Apache::lonwrapper::wrapper($item));
146: }
147: return OK;
148: }
149: } elsif ($external=~/\w/) {
150: unless ($allowed && $forceedit) {
151: $r->print(&Apache::lonwrapper::wrapper($external));
152: return OK;
153: }
154: }
155:
156: my $crstype = &Apache::loncommon::course_type();
157:
158: # ------------------------------ The buck stops here: internal syllabus display
159: # --------------------------------------------------------- The syllabus fields
160: my %syllabusfields=&Apache::lonlocal::texthash(
161: 'aaa_instructorinfo' => 'Instructor Information',
162: 'bbb_description' => 'Course Description',
163: 'ccc_prereq' => 'Prerequisites',
164: 'cdc_classhours' => 'Class Hours',
165: 'ddd_officehours' => 'Office Hours',
166: 'eee_helproom' => 'Helproom Hours',
167: 'efe_projectinfo' => 'Project Information',
168: 'fff_examinfo' => 'Exam Information',
169: 'fgf_deadlines' => 'Deadlines',
170: 'ggg_grading' => 'Grading Information',
171: 'hhh_readings' => 'Readings',
172: 'iii_coursepack' => 'Coursepack',
173: 'jjj_weblinks' => 'Web Links',
174: 'kkk_textbook' => 'Textbook',
175: 'lll_includeurl' => 'URLs To Include in Syllabus');
176: # ---------------------------------------------------------- Load syllabus info
177: my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
178: my ($output,%displayfields,%noshow);
179:
180: # This handler might be called anonymously ...
181: # ----------------------------------------------------- Only if not public call
182: if ($allowed) {
183: if (($env{'form.choice'} =~ /^(template|minimal|url|file)$/) ||
184: ($env{'form.phase'} =~ /^(upload|check)_embedded$/)) {
185: my $earlyout;
186: ($earlyout,$uploaded,$external,$minimal,$output) =
187: &save_changes($cnum,$cdom,$uploaded,$external,$minimal,
188: \%syllabus,\%syllabusfields,\%courseenv);
189: if (($env{'form.choice'} eq 'minimal') &&
190: ($minimal eq "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html")) {
191: delete($env{'form.symb'});
192: delete($env{'request.symb'});
193: $r->internal_redirect("$minimal?editmode=1&forceedit=1");
194: return OK;
195: }
196: if ($earlyout) {
197: if ($target ne 'tex') {
198: &print_header($r,$cnum,$cdom,$crstype,$allowed,$forceedit,
199: \%syllabus,\%syllabusfields);
200: $r->print($output.
201: &Apache::loncommon::end_page());
202: }
203: return OK;
204: }
205: }
206: }
207: if ($target ne 'tex') {
208: &print_header($r,$cnum,$cdom,$crstype,$allowed,$forceedit,\%syllabus,
209: \%syllabusfields);
210: $r->print($output);
211: }
212:
213: # -------------------------------------------- Determine which fields are shown
214:
215: if ($syllabus{'uploaded.fields'}) {
216: if ($syllabus{'uploaded.fields'} eq 'none') {
217: foreach my $field (keys(%syllabusfields)) {
218: $displayfields{$field} = ' style="display:none;"';
219: $noshow{$field} = 1;
220: }
221: } else {
222: my %included;
223: map { $included{$_} = 1; } split(/,/,$syllabus{'uploaded.fields'});
224: foreach my $field (keys(%syllabusfields)) {
225: my ($prefix) = split(/_/,$field);
226: if ($included{$prefix}) {
227: $displayfields{$field} = ' style="display:block;"';
228: } else {
229: $displayfields{$field} = ' style="display:none;"';
230: $noshow{$field} = 1;
231: }
232: }
233: }
234: } else {
235: foreach my $field (keys(%syllabusfields)) {
236: if ($syllabus{$field} ne '') {
237: $displayfields{$field} = ' style="display:block;"';
238: } else {
239: $displayfields{$field} = ' style="display:none;"';
240: }
241: }
242: }
243:
244: if ($allowed) {
245: #---------------------------------- Print External URL Syllabus Info if editing
246: if ($target ne 'tex') {
247: my $protocol = $Apache::lonnet::protocol{$homeserver};
248: $protocol = 'http' if ($protocol ne 'https');
249: my $link = $protocol.'://'.&Apache::lonnet::hostname($homeserver).$r->uri;
250: $r->print('<div class="LC_left_float">'
251: .'<span class="LC_help_open_topic LC_info">'
252: .'<span class="LC_info">'
253: .&mt('Public link (no log-in): [_1]','<tt>'.$link.'</tt>')
254: .' </span>'.&Apache::loncommon::help_open_topic('Syllabus_ExtLink')
255: .'</span>'
256: .'</div><div style="padding:0;clear:both;margin:0;border:0"></div>'."\n");
257: my $lonhost = $r->dir_config('lonHostID');
258: $r->print(&chooser($external,$uploaded,$minimal,$cdom,$cnum,$lonhost,
259: \%syllabusfields,\%syllabus));
260: }
261: } else {
262: #--------------------------------------------- Print last update unless editing
263: my $lastmod=$syllabus{'uploaded.lastmodified'};
264: $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
265: my $who;
266: if ($syllabus{'uploaded.lastmodified'}) {
267: if (($env{'user.name'} ne 'public') && ($env{'user.domain'} ne 'public')) {
268: $who = &Apache::loncommon::aboutmewrapper(
269: &Apache::loncommon::plainname($syllabus{'uploaded.name'},
270: $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
271: $syllabus{'uploaded.domain'});
272: } else {
273: # Public user?
274: # Only display name of user, but no link to personal information page
275: $who = &Apache::loncommon::plainname(
276: $syllabus{'uploaded.name'},
277: $syllabus{'uploaded.domain'});
278: }
279: }
280: if ($target ne 'tex') {
281: $r->print('<div class="LC_info">'.&mt('Last updated').': '.
282: $lastmod . ' '.
283: ($who ? &mt('by').' '.$who
284: : '' ) .
285: '</div>' );
286: } else {
287: $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.
288: ($who? &mt('by').'\\\\ '.
289: &Apache::loncommon::plainname($syllabus{'uploaded.name'},$syllabus{'uploaded.domain'})
290: :'')
291: .'\\\\');
292: }
293: }
294:
295: #-------------------------------------------------------------- Print Headtitle
296: if ($target ne 'tex') {
297: my $display = 'block';
298: if ($external || $uploaded || $minimal) {
299: $display = 'none';
300: }
301: $r->print('<div class="LC_Box" id="template" style="display: '.$display.'">'.
302: '<h2 class="LC_hcell">'.$courseenv{'description'}.'</h2>');
303: if ($allowed) {
304: $r->print('<div style="margin: 0; float:left;">'.
305: '<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>'.
306: '</div>');
307: # Print Help Text if editing at right side of screen
308: $r->print('<div style="margin: 0; float:right;">'.
309: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')).
310: '</div><br clear="all" />');
311: } else {
312: $r->print('<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>');
313: }
314: } else {
315: $r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'.
316: &Apache::lonnet::domain($cdom,'description').'}\\\\');
317: }
318: # -------------------------------------------------------- Get course personnel
319: my $hidepersonnel;
320: if (($syllabus{'uploaded.fields'}) &&
321: (($syllabus{'uploaded.fields'} eq 'none') ||
322: ($syllabus{'uploaded.fields'} !~ /000/))) {
323: $hidepersonnel = 1;
324: }
325: if ($target ne 'tex') {
326: if ($allowed) {
327: my $display = ' style="display:block;"';
328: if ($hidepersonnel) {
329: $display = ' style="display:none;"';
330: }
331: &Apache::lontemplate::print_start_template($r,&mt('Personnel'),'LC_Box',
332: 'box_000_showpeople',$display);
333: $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed));
334: &Apache::lontemplate::print_end_template($r);
335: } else {
336: unless ($hidepersonnel) {
337: &Apache::lontemplate::print_start_template($r,&mt('Personnel'),'LC_Box');
338: $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed));
339: &Apache::lontemplate::print_end_template($r);
340: }
341: }
342: } else {
343: unless ($hidepersonnel) {
344: $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed));
345: }
346: }
347: # -------------------------------------------------------------- Announcements?
348: my $day = &Apache::lonannounce::showday(time,2,
349: &Apache::lonannounce::readcalendar($cdom.'_'.$cnum));
350: my $hidefeeds;
351: if (($syllabus{'uploaded.fields'}) &&
352: (($syllabus{'uploaded.fields'} eq 'none') ||
353: ($syllabus{'uploaded.fields'} !~ /111/))) {
354: $hidefeeds = 1;
355: }
356: if ($target ne 'tex') {
357: if ($allowed) {
358: my $display = ' style="display:block;"';
359: if ($hidefeeds) {
360: $display = ' style="display:none;"';
361: }
362: &Apache::lontemplate::print_start_template($r,&mt('RSS Feeds and Blogs'),'LC_Box',
363: 'box_111_showrssfeeds',$display);
364: my ($numfeeds,$hiddenfeeds,$rsslinktext);
365: my $feeds=&Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit,\$numfeeds,
366: \$hiddenfeeds);
367: if ($numfeeds) {
368: $r->print($feeds);
369: $rsslinktext = &mt('New RSS Feed or Blog');
370: } else {
371: my $msg = '<br />'.
372: &mt("RSS Feeds and Blogs item is not included in a student's view of the syllabus.");
373: if ($hiddenfeeds) {
374: $r->print('<p class="LC_info">'.
375: &mt('All feeds currently hidden').
376: $msg.
377: '</p>');
378: } else {
379: $r->print('<p class="LC_info">'.
380: &mt('No current feeds').
381: $msg.
382: '</p>');
383: }
384: $rsslinktext = &mt('Manage Course RSS Feeds/Blogs');
385: if ($crstype eq 'Community') {
386: $rsslinktext = &mt('Manage Communiity RSS Feeds/Blogs');
387: }
388: }
389: my $editurl= &Apache::lonnet::absolute_url().'/adm/'.$cdom.'/'.$cnum.'/_rss.html';
390: $r->print( '<a href="'.$editurl.'">'.$rsslinktext.'</a>');
391: &Apache::lontemplate::print_end_template($r);
392: } else {
393: unless ($hidefeeds) {
394: my $feeds = &Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit);
395: if ($feeds ne '') {
396: &Apache::lontemplate::print_start_template($r,&mt('RSS Feeds and Blogs'),'LC_Box');
397: $r->print($feeds);
398: &Apache::lontemplate::print_end_template($r);
399: }
400: }
401: }
402: } else {
403: $r->print(&Apache::lonxml::xmlparse($r,'tex',$day));
404: }
405: # ---------------------------------------------------------------- Get syllabus
406: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
407: if ($allowed) {
408: $r->print('<form method="post" action="">');
409: }
410:
411: my $url_include_handler = sub {
412: my ($r, $field, $message, $group, $data_ref, $fields_ref, $target, $allowed, $display) = @_;
413: my %data = %{$data_ref};
414: my %fields = %{$fields_ref};
415: my $urls=$message;
416: $message='';
417: foreach my $filelink (split(/\n/,$urls)) {
418: my $output='';
419: # embed style?
420: my ($curfext)=($filelink=~/\.([^\.]+)$/);
421: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
422: if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) {# make ssi call and remove everything but the body contents
423: $output=&Apache::lonnet::ssi_body($filelink);
424: } elsif ($embstyle eq 'img') {# embed as an image
425: $output='<img src="'.$filelink.'" />';
426: }
427: if ($output ne '') {
428: if ($target ne 'tex') {
429: $message.='<p>'.$output.'</p>';
430: } else {
431: $message.=' '.&Apache::lonxml::xmlparse($r,'tex','<p>'.$output.'</p>').' ';
432: }
433: }
434: }
435: if ($allowed) {
436: &Apache::lonfeedback::newline_to_br(\$urls);
437: &Apache::lontemplate::print_start_template($r,$fields{$field}.
438: &Apache::loncommon::help_open_topic('Syllabus_URLs'),'LC_Box',
439: 'box_'.$field,$display);
440: $r->print($urls);
441: $r->print("<br /><div>");
442: &Apache::lontemplate::print_textarea_template($r, $data{$field},
443: $field, Apache::lontemplate->RICH_TEXT_ALWAYS_OFF);
444: &Apache::lontemplate::print_saveall_template($r);
445: $r->print("</div>");
446: &Apache::lontemplate::print_end_template($r);
447:
448: } else {
449: $r->print($message);
450: }
451: };
452: my %custom_hash = ( 'lll_includeurl' => $url_include_handler );
453: &Apache::lontemplate::print_template_fields($r, \%syllabus, \%syllabusfields,
454: $target, $allowed, Apache::lontemplate->RICH_TEXT_DETECT_HTML, \%custom_hash,
455: undef,\%displayfields,\%noshow);
456: if ($allowed) {
457: $r->print('</form>'.
458: &Apache::lonhtmlcommon::htmlareaselectactive());
459: }
460: } else {
461: if ($target ne 'tex') {$r->print('<p class="LC_info">');} else {$r->print('\par ');}
462: $r->print(&mt('No syllabus information provided.'));
463: if ($target ne 'tex') {$r->print('</p>');}
464: }
465: if ($target ne 'tex') {
466: if ($env{'form.backto'} eq 'coursecatalog') {
467: $r->print('<form name="backtocat" method="post" action="/adm/coursecatalog">'.
468: &Apache::lonhtmlcommon::echo_form_input(['backto','courseid']).
469: '</form>');
470: }
471: $r->print(&Apache::loncommon::end_page());
472: } else {
473: $r->print('\end{document}');
474: }
475: return OK;
476: }
477:
478: sub print_header {
479: my ($r,$cnum,$cdom,$crstype,$allowed,$forceedit,$syllabus,$syllabusfields) = @_;
480: return unless ((ref($syllabus) eq 'HASH') || (ref($syllabusfields) eq 'HASH'));
481: # ----------------------------------------------------------------- Make header
482: my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
483: my $js;
484: if ($env{'form.backto'} eq 'coursecatalog') {
485: $js .= <<"ENDSCRIPT";
486:
487: <script type="text/javascript">
488: // <![CDATA[
489:
490: function ToCatalog(caller) {
491: numidx = getIndexByName('coursenum');
492: if (numidx > -1) {
493: if (caller != 'details') {
494: document.backtocat.elements[numidx].value = '';
495: }
496: }
497: document.backtocat.submit();
498: }
499:
500: function getIndexByName(item) {
501: for (var i=0;i<document.backtocat.elements.length;i++) {
502: if (document.backtocat.elements[i].name == item) {
503: return i;
504: }
505: }
506: return -1;
507: }
508:
509: // ]]>
510: </script>
511:
512: ENDSCRIPT
513: }
514: if ($allowed && $forceedit) {
515: my $check_uncheck = &Apache::loncommon::check_uncheck_jscript();
516: my @fieldnames = sort(keys(%{$syllabusfields}));
517: unshift(@fieldnames,'000_showpeople','111_showrssfeeds');
518: my (@checked,@unchecked);
519: if ($syllabus->{'uploaded.fields'} eq 'none') {
520: my $lastidx = scalar(@fieldnames)-1;
521: @unchecked = (0..$lastidx);
522: } elsif ($syllabus->{'uploaded.fields'}) {
523: my %included;
524: map { $included{$_} = 1; } split(/,/,$syllabus->{'uploaded.fields'});
525: for (my $i=0; $i<@fieldnames; $i++) {
526: my ($prefix) = split(/_/,$fieldnames[$i]);
527: if ($included{$prefix}) {
528: push(@checked,$i);
529: } else {
530: push(@unchecked,$i);
531: }
532: }
533: } else {
534: @checked = (0,1);
535: for (my $i=2; $i<@fieldnames; $i++) {
536: if ($syllabus->{$fieldnames[$i]}) {
537: push(@checked,$i);
538: } else {
539: push(@unchecked,$i);
540: }
541: }
542: }
543: my $fieldstr = "var fields = new Array('".join("','",@fieldnames)."');";
544: my $checkedstr = "var include = new Array('".join("','",@checked)."');";
545: my $uncheckedstr = "var exclude = new Array('".join("','",@unchecked)."');";
546: my $invurl = &mt('Invalid URL');
547: my $urlregexp = <<'ENDREGEXP';
548: /^([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
549: ENDREGEXP
550:
551: $js .= <<"ENDSCRIPT";
552:
553: <script type="text/javascript">
554: // <![CDATA[
555:
556: function toggleEditor(pick) {
557: var choices = new Array('template','minimal','url','file','templatebox');
558: for (var i=0; i<choices.length; i++) {
559: if (((choices[i] == 'templatebox') && (pick == 'template')) ||
560: (choices[i] == pick)) {
561: document.getElementById(choices[i]).style.display='block';
562: } else {
563: document.getElementById(choices[i]).style.display='none';
564: }
565: }
566: return;
567: }
568:
569: var regexp = $urlregexp;
570:
571: function extUrlPreview(caller) {
572: if (document.getElementById(caller)) {
573: var url = document.getElementById(caller).value;
574: if (regexp.test(url)) {
575: openMyModal(url,500,400,'yes');
576: } else {
577: alert("$invurl");
578: }
579: }
580: }
581:
582: function toggleBox(name,caller) {
583: if (name == 'all') {
584: if (document.syllabus.showfield.length > 0) {
585: for (var i=0; i<document.syllabus.showfield.length; i++) {
586: if (document.syllabus.showfield[i].checked) {
587: if (document.getElementById('box_'+document.syllabus.showfield[i].value)) {
588: document.getElementById('box_'+document.syllabus.showfield[i].value).style.display='block';
589: }
590: } else {
591: if (document.getElementById('box_'+document.syllabus.showfield[i].value)) {
592: document.getElementById('box_'+document.syllabus.showfield[i].value).style.display='none';
593: }
594: }
595: }
596: }
597: } else {
598: if (caller.checked) {
599: if (document.getElementById('box_'+caller.value)) {
600: document.getElementById('box_'+caller.value).style.display='block';
601: }
602: } else {
603: if (document.getElementById('box_'+caller.value)) {
604: document.getElementById('box_'+caller.value).style.display='none';
605: }
606: }
607: }
608: return;
609: }
610:
611: function setTemplateBoxes() {
612: $fieldstr
613: $checkedstr
614: $uncheckedstr
615: if (include.length > 0) {
616: for (var i=0; i<include.length; i++) {
617: if (document.getElementById('showfield_'+include[i])) {
618: document.getElementById('showfield_'+include[i]).checked = true;
619: if (document.getElementById('box_'+fields[include[i]])) {
620: document.getElementById('box_'+fields[include[i]]).style.display='block';
621: }
622: }
623: }
624: }
625: if (exclude.length > 0) {
626: for (var i=0; i<exclude.length; i++) {
627: if (document.getElementById('showfield_'+exclude[i])) {
628: document.getElementById('showfield_'+exclude[i]).checked = false;
629: if (document.getElementById('box_'+fields[exclude[i]])) {
630: document.getElementById('box_'+fields[exclude[i]]).style.display='none';
631: }
632: }
633: }
634: }
635: return;
636: }
637:
638: $check_uncheck
639:
640: // ]]>
641: </script>
642:
643: ENDSCRIPT
644: }
645: my $args = {'function' => undef,
646: 'domain' => $cdom};
647: my $forcereg;
648: if ($env{'form.register'}) {
649: $forcereg = 1;
650: $args->{'force_register'} = $forcereg;
651: }
652: if ($env{'form.backto'} eq 'coursecatalog') {
653: &Apache::lonhtmlcommon::clear_breadcrumbs();
654: my $brcrum = [{href=>"javascript:ToCatalog();",
655: text=>&mt('Course/Community Catalog'),
656: no_mt=>1}
657: ];
658: if ($env{'form.coursenum'} ne '') {
659: push(@{$brcrum},
660: {href=>"javascript:ToCatalog('details')",
661: text=>"Course details"});
662: }
663: push(@{$brcrum},
664: {href=>$r->uri,
665: text=>"Course syllabus"});
666: $args->{'bread_crumbs'} = $brcrum;
667: } elsif ($env{'form.folderpath'} =~ /^supplemental/) {
668: my $title = $env{'form.title'};
669: if ($title eq '') {
670: $title = &mt('Syllabus');
671: }
672: my $brcrum =
673: &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
674: if (ref($brcrum) eq 'ARRAY') {
675: $args->{'bread_crumbs'} = $brcrum;
676: }
677: } else {
678: if ((&Apache::lonnet::is_on_map("public/$cdom/$cnum/syllabus"))
679: && (($env{'form.symb'}) || ($env{'form.register'}))) {
680: &Apache::lonhtmlcommon::clear_breadcrumbs();
681: } else {
682: $args->{'bread_crumbs'} = [
683: {'href' => "/public/$cdom/$cnum/syllabus",
684: 'text' => 'Syllabus'},
685: ];
686: }
687: }
688: if ($allowed) {
689: my %loaditem = (
690: onload => 'setTemplateBoxes();',
691: );
692: $args->{'add_entries'} = \%loaditem;
693: }
694: my $start_page =
695: &Apache::loncommon::start_page("Syllabus", $rss_link.$js,$args);
696: if ($start_page) {
697: $r->print($start_page);
698: }
699: }
700:
701: sub chooser {
702: my ($external,$uploaded,$minimal,$cdom,$cnum,$lonhost,$fields,$values) = @_;
703: my %lt = &Apache::lonlocal::texthash(
704: 'type' => 'Syllabus Type',
705: 'url' => 'External URL',
706: 'file' => 'Uploaded file',
707: 'minimal' => 'Minimal template',
708: 'template' => 'Standard template',
709: 'templateboxes' => 'Choose template items ... ',
710: 'curr' => 'Current:',
711: 'rep' => 'Replace:',
712: 'upl' => 'Upload:',
713: 'pr' => 'Preview',
714: 'save' => 'Save',
715: 'sved' => 'Save and Edit',
716: 'chourl' => 'External URL',
717: 'chofile' => 'Uploaded syllabus file',
718: 'parse' => 'Upload embedded images/multimedia files if HTML file',
719: );
720: my %checked = (
721: file => '',
722: minimal => '',
723: url => '',
724: template => '',
725: );
726: my %display = (
727: file => 'none',
728: minimal => 'none',
729: url => 'none',
730: templatebox => 'none',
731: );
732: my $check = ' checked="checked" ';
733: if ($uploaded) {
734: $checked{'file'} = $check;
735: $display{'file'} = 'block';
736: } elsif ($external) {
737: $checked{'url'} = $check;
738: $display{'url'} = 'block';
739: } elsif ($minimal) {
740: $checked{'minimal'} = $check;
741: $display{'minimal'} = 'block';
742: } else {
743: $checked{'template'} = $check;
744: $checked{'templatebox'} = $check;
745: $display{'templatebox'} = 'block';
746: }
747:
748: my $output =
749: '<form name="syllabus" method="post" enctype="multipart/form-data" action="">'."\n".
750: '<input type="hidden" name="forceedit" value="1" />'."\n".
751: '<div class="LC_left_float"><fieldset><legend>'.$lt{'type'}.'</legend>';
752: foreach my $item ('minimal','template','url','file') {
753: $output .= '<label><input type="radio" name="choice" value="'.$item.'" '.$checked{$item}.' onclick="toggleEditor('."'$item'".')" />'.
754: $lt{$item}.'</label><br />';
755: }
756: $output .= '</fieldset></div>'."\n".
757: '<div id="url" class="LC_left_float" style="display: '.$display{'url'}.'">'."\n".
758: '<fieldset><legend>'.$lt{'chourl'}.'</legend><span class="LC_nobreak">'."\n".
759: '<a href="javascript:extUrlPreview('."'syllabusurl'".');">'.$lt{'pr'}.'</a></span> '."\n".
760: '<input type="text" id="syllabusurl" name="externalsyllabus" value="'.$external.'" size="55" />'."\n".
761: ' <input type="submit" name="storeurl" value="'.$lt{'save'}.'" />'."\n".
762: '</fieldset></div>'."\n".
763: '<div id="minimal" class="LC_left_float" style="display: '.$display{'minimal'}.'">'."\n".
764: '<fieldset><legend>'.$lt{'minimal'}.'</legend>';
765: if ($minimal) {
766: my ($absurl,$filename,$depbutton) = &syllabus_file_info($minimal,$cnum,$cdom,$lonhost,'minimal');
767: $output .= '<a href="javascript:extUrlPreview('."'currminimal'".');">'.$lt{'pr'}.'</a>'.
768: '<input type="hidden" name="minimalfile" value="'.&HTML::Entities::encode($absurl).'?inhibitmenu=yes" id="currminimal" />'.
769: $depbutton;
770: } else {
771: $output .= &mt('Title of Syllabus Page:').' '.
772: '<input type="text" id="minimaltitle" name="syllabustitle" value="'.&mt('Syllabus').'" size="30" />'."\n".
773: ' <input type="submit" name="storeminimal" value="'.$lt{'sved'}.'" />'."\n";
774: }
775: $output .= '</fieldset></div>'."\n".
776: '<div id="file" class="LC_left_float" style="display: '.$display{'file'}.'">'."\n".
777: '<fieldset><legend>'.$lt{'file'}.'</legend>';
778: if ($uploaded) {
779: my ($absurl,$filename,$depbutton) = &syllabus_file_info($uploaded,$cnum,$cdom,$lonhost,'file');
780: $output .= '<span class="LC_nobreak">'.$lt{'curr'}.' '.
781: '<input type="hidden" name="uploadedfile" value="'.&HTML::Entities::encode($absurl).'?inhibitmenu=yes" id="currfile" />'.
782: '<a href="javascript:extUrlPreview('."'currfile'".');">'.$filename.'</a></span>'.$depbutton.
783: '<br /><br />'.$lt{'rep'};
784: } else {
785: $output .= $lt{'upl'};
786: }
787: $output .= '<br />'."\n".
788: '<span class="LC_nobreak">'.
789: '<input type="file" name="syllabusfile" size="55" />'."\n".
790: ' <input type="submit" name="storefile" value="'.$lt{'save'}.'" />'.
791: '</span><br />'.
792: '<label>'.
793: '<input type="checkbox" name="parserflag" checked="checked" />'.
794: $lt{'parse'}.
795: '</label>'.
796: '</fieldset></div>'.
797: '<div id="templatebox" class="LC_left_float" style="display: '.
798: $display{'templatebox'}.';"><fieldset><legend>'.$lt{'templateboxes'}.
799: ' <input type="button" value="'.&mt('check all').'" '.
800: 'onclick="javascript:checkAll('."document.syllabus.showfield".');javascript:toggleBox('."'all'".');" />'.
801: (' 'x2).
802: '<input type="button" value="'.&mt('uncheck all').'" '.
803: 'onclick="javascript:uncheckAll('."document.syllabus.showfield".');javascript:toggleBox('."'all'".');" />'.
804: '</legend>'.
805: &fields_check_uncheck($fields,$values).
806: '</fieldset><br />'.
807: '<input type="submit" name="storesyl" value="'.&mt('Save All').'" />'.
808: '</div>';
809: $output .= '<div style="padding:0;clear:both;margin:0;border:0"></div>';
810: return $output;
811: }
812:
813: sub syllabus_file_info {
814: my ($item,$cnum,$cdom,$lonhost,$context) = @_;
815: my $protocol = $Apache::lonnet::protocol{$lonhost};
816: $protocol = 'http' if ($protocol ne 'https');
817: my $absurl = $protocol.'://'.&Apache::lonnet::hostname($lonhost).$item;
818: my ($filename) = ($item =~ m{([^/]+)$});
819: my $file=&Apache::lonnet::filelocation("",$item);
820: my $depbutton;
821: if ($file =~ /\.html?$/) {
822: my $filecontents=&Apache::lonnet::getfile($file);
823: unless ($filecontents eq -1) {
824: my $mm = new File::MMagic;
825: my $mimetype = $mm->checktype_contents($filecontents);
826: if ($mimetype eq 'text/html') {
827: my (%codebase,%allfiles);
828: my $parse_result = &Apache::lonnet::extract_embedded_items($item,\%allfiles,
829: \%codebase,\$filecontents);
830: my $actionurl = "/public/$cdom/$cnum/syllabus";
831: my ($ignore,$num,$numpathchanges,$existing,$mapping) =
832: &Apache::loncommon::ask_for_embedded_content($actionurl,undef,\%allfiles,
833: \%codebase,
834: {'context' => 'rewrites',
835: 'ignore_remote_references' => 1,});
836: $depbutton = (' ' x 3).
837: &editfile_button($item,$context).
838: &editbutton_js();
839: }
840: }
841: }
842: return ($absurl,$filename,$depbutton);
843: }
844:
845: sub fields_check_uncheck {
846: my ($fields,$values) = @_;
847: return unless ((ref($fields) eq 'HASH') && (ref($values) eq 'HASH'));
848: my $numinrow = 4;
849: my $table;
850: my @fieldnames = sort(keys(%{$fields}));
851: unshift(@fieldnames,'000_showpeople','111_showrssfeeds');
852: my $numfields = scalar(@fieldnames);
853: my %included;
854: if (($values->{'uploaded.fields'}) && ($values->{'uploaded.fields'} ne 'none')) {
855: map { $included{$_} = 1; } split(/,/,$values->{'uploaded.fields'});
856: }
857: for (my $i=0; $i<$numfields; $i++) {
858: my ($name,$checked);
859: if ($fieldnames[$i] eq '000_showpeople') {
860: $name = &mt('Personnel');
861: } elsif ($fieldnames[$i] eq '111_showrssfeeds') {
862: $name = &mt('RSS Feeds and Blogs');
863: } else {
864: $name = $fields->{$fieldnames[$i]};
865: }
866: if ($values->{'uploaded.fields'}) {
867: unless ($values->{'uploaded.fields'} eq 'none') {
868: my ($prefix) = split(/_/,$fieldnames[$i]);
869: if ($included{$prefix}) {
870: $checked = ' checked="checked"';
871: }
872: }
873: } else {
874: if ($fieldnames[$i] eq '000_showpeople') {
875: $checked = ' checked="checked"';
876: } elsif ($fieldnames[$i] eq '111_showrssfeeds') {
877: $checked = ' checked="checked"';
878: } else {
879: if ($values->{$fieldnames[$i]} ne '') {
880: $checked = ' checked="checked"';
881: }
882: }
883: }
884: my $rem = $i%($numinrow);
885: if ($rem == 0) {
886: if (($i > 0) && ($i < $numfields)) {
887: $table .= '</tr>';
888: }
889: if ($i < $numfields) {
890: $table .= '<tr>';
891: }
892: }
893: if ($i == $numfields-1) {
894: my $rem = $numfields%($numinrow);
895: my $colsleft = $numinrow - $rem;
896: if ($colsleft > 1) {
897: $table .= '<td colspan="'.$colsleft.'">';
898: } else {
899: $table .= '</td>';
900: }
901: } else {
902: $table .= '<td>';
903: }
904: $table .=
905: '<label><input type="checkbox" name="showfield" value="'.$fieldnames[$i].'" '.
906: $checked.' id="showfield_'.$i.'" onclick="javascript:toggleBox('."'$fieldnames[$i]',this".');" />'.
907: $name.'</label></td>'."\n";
908: }
909: if ($table ne '') {
910: my $rem = $numfields%($numinrow);
911: my $colsleft = $numinrow - $rem;
912: if ($colsleft > 1 ) {
913: $table .= '<td colspan="'.$colsleft.'"> </td>';
914: } elsif ($colsleft == 1) {
915: $table .= '<td> </td>';
916: }
917: $table = '<table>'.$table.'</tr></table>';
918: }
919: return $table;
920: }
921:
922: sub get_personnel {
923: my ($r,$target,$cdom,$cnum,$allowed) = @_;
924: my $output;
925: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
926: if ($target ne 'tex') {
927: $r->print(&Apache::lonhtmlcommon::start_pick_box());
928: } else {
929: $r->print('\begin{tabular}{|p{0.45\textwidth}|p{0.45\textwidth}|}\hline');
930: }
931: my @personnel=sort(keys(%coursepersonnel));
932: my $lastpers=$personnel[$#personnel];
933: foreach my $element (@personnel) {
934: if ($target ne 'tex') {
935: $r->print(&Apache::lonhtmlcommon::row_title($element));
936: } else {
937: $r->print(' '.&Apache::lonxml::xmlparse($r,'tex',$element).' & ');
938: }
939: my @coursepersonlist;
940: foreach my $user (split(/\,/,$coursepersonnel{$element})) {
941: my ($puname,$pudom)=split(/\:/,$user);
942: if ($target ne 'tex') {
943: my $courseperson = &Apache::loncommon::plainname($puname,$pudom);
944: if (($env{'user.name'} eq '') || ($env{'user.name'} eq 'public') ||
945: ($env{'user.domain'} eq '') || ($env{'user.domain'} eq 'public')) {
946: push(@coursepersonlist,$courseperson);
947: } else {
948: push(@coursepersonlist,&Apache::loncommon::aboutmewrapper($courseperson,
949: $puname,$pudom));
950: }
951: } else {
952: push(@coursepersonlist,&Apache::loncommon::plainname($puname,
953: $pudom).' ');
954: }
955: }
956: $r->print(join(", ",@coursepersonlist));
957: if ($target ne 'tex') {
958: my $lastclose=$element eq $lastpers?1:0;
959: $r->print(&Apache::lonhtmlcommon::row_closure($lastclose));
960: } else {
961: $r->print('\\\\ \hline');
962: }
963: }
964: if ($target ne 'tex') {
965: $r->print(&Apache::lonhtmlcommon::end_pick_box());
966: } else {
967: $r->print('\end{tabular}\\\\');
968: }
969: return;
970: }
971:
972: sub save_changes {
973: my ($cnum,$cdom,$uploaded,$external,$minimal,$syllabus,$syllabusfields,$courseenv) = @_;
974: my ($earlyout,$output);
975: unless ((ref($syllabus) eq 'HASH') && (ref($syllabusfields) eq 'HASH')) {
976: return ($earlyout,$uploaded,$external,$minimal,$output);
977: }
978: if ($env{'form.deleteuploaded'}) {
979: my %storehash;
980: if (($env{'form.choice'} eq 'file') &&
981: ($env{'form.deleteuploaded'} eq 'file') && ($uploaded =~ /\w/)) {
982: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.uploadedsyllabus');
983: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.externalsyllabus');
984: $storehash{'uploadedsyllabus'} = '';
985: $storehash{'externalsyllabus'} = '';
986: my $putres = &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
987: undef($uploaded);
988: undef($external);
989: } elsif (($env{'form.choice'} eq 'minimal') &&
990: ($env{'form.deleteuploaded'} eq 'minimal') && ($minimal =~ /\w/)) {
991: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.externalsyllabus');
992: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.minimalsyllabus');
993: $storehash{'externalsyllabus'} = '';
994: $storehash{'minimalsyllabus'} = '';
995: my $putres = &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
996: undef($external);
997: undef($minimal);
998: }
999: } elsif ($env{'form.choice'} eq 'template') {
1000: #store what the user typed in to the template
1001: my @shown = &Apache::loncommon::get_env_multiple('form.showfield');
1002: $syllabus->{'uploaded.fields'} = '';
1003: if (@shown == 0) {
1004: $syllabus->{'uploaded.fields'} = 'none';
1005: } else {
1006: foreach my $field (sort(@shown)) {
1007: if (($field eq '000_showpeople') ||
1008: ($field eq '111_showrssfeeds') ||
1009: ($syllabusfields->{$field})) {
1010: my ($prefix) = split(/_/,$field);
1011: $syllabus->{'uploaded.fields'} .= $prefix.',';
1012: }
1013: }
1014: $syllabus->{'uploaded.fields'} =~ s/,$//;
1015: }
1016: foreach my $syl_field (keys(%{$syllabusfields})) {
1017: my $field=$env{'form.'.$syl_field};
1018: chomp($field);
1019: $field=~s/\s+$//s;
1020: $field=~s/^\s+//s;
1021: $field=~s/\<br\s*\/*\>$//s;
1022: $field=&Apache::lonfeedback::clear_out_html($field,1);
1023: #here it will be stored
1024: $syllabus->{$syl_field}=$field;
1025: if ($syl_field eq 'lll_includeurl') { # clean up included URLs
1026: my $field='';
1027: foreach my $value (split(/\n/,$syllabus->{$syl_field})) {
1028: my $url=$value;
1029: # get rid of leading and trailing spaces
1030: $url=~s/^\s+//;
1031: $url=~s/\s+$//;
1032: if ($url=~m|^https?\://([^/]+)/(.+)$|) {
1033: my $host = $1;
1034: my $remainder=$2;
1035: # remove the hostname from internal URLs
1036: my $hostname = &Apache::lonnet::hostname($host);
1037: my %all_hostnames = &Apache::lonnet::all_hostnames();
1038: foreach my $possible_host (keys(%all_hostnames)) {
1039: if ($possible_host =~ /\Q$hostname\E/i) {
1040: $url=$remainder;
1041: }
1042: }
1043: }
1044: # norm internal URLs
1045: unless ($url=~/^https?\:/) {
1046: $url=&Apache::lonnet::clutter($url);
1047: }
1048: # re-assemble field
1049: if ($url) {
1050: $field.=$url."\n";
1051: }
1052: }
1053: $syllabus->{$syl_field}=$field;
1054: }
1055: }
1056: my $now = time;
1057: $syllabus->{'uploaded.domain'}=$env{'user.domain'};
1058: $syllabus->{'uploaded.name'}=$env{'user.name'};
1059: $syllabus->{'uploaded.lastmodified'} = $now;
1060: my $putres = &Apache::lonnet::put('syllabus',$syllabus,$cdom,$cnum);
1061: if ($putres eq 'ok') {
1062: my %storehash;
1063: if ($courseenv->{'uploadedsyllabus'}) {
1064: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.uploadedsyllabus');
1065: $storehash{'uploadedsyllabus'} = '';
1066: }
1067: if ($courseenv->{'externalsyllabus'}) {
1068: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.externalsyllabus');
1069: $storehash{'externalsyllabus'} = '';
1070: }
1071: if ($courseenv->{'minimalsyllabus'}) {
1072: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.minimalsyllabus');
1073: $storehash{'minimalsyllabus'} = '';
1074: }
1075: $storehash{'updatedsyllabus'} = $now;
1076: &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1077: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.updatedsyllabus' => $now});
1078: if (($courseenv->{'externalsyllabus'} || $courseenv->{'uploadedsyllabus'}) ||
1079: ($courseenv->{'minimalsyllabus'})) {
1080: undef($uploaded);
1081: undef($external);
1082: undef($minimal);
1083: }
1084: $output = '<div>'.
1085: &Apache::lonhtmlcommon::confirm_success(&mt('Template saved.')).
1086: '</div>';
1087: } else {
1088: $output = '<div class="LC_error">'.
1089: &mt('An error occurred storing the template: [_1]',$putres).
1090: '</div>';
1091: }
1092: } elsif ($env{'form.choice'} eq 'url') {
1093: if ($env{'form.externalsyllabus'} =~ m{^https?://}) {
1094: if ($env{'form.externalsyllabus'} eq $external) {
1095: $output = '<div class="LC_info">'.
1096: &mt('External URL unchanged.').
1097: '</div>';
1098: if ($uploaded) {
1099: my $prefix;
1100: my $home=&Apache::lonnet::homeserver($cnum,$cdom);
1101: if ($home ne 'no_host') {
1102: my $protocol = $Apache::lonnet::protocol{$home};
1103: $protocol = 'http' if ($protocol ne 'https');
1104: $prefix = $protocol.'://'.&Apache::lonnet::hostname($home);
1105: }
1106: unless ($external =~ m{^\Q$prefix/uploaded/$cdom/$cnum/portfolio/syllabus\E}) {
1107: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.uploadedsyllabus');
1108: &Apache::lonnet::put('environment',{uploadedsyllabus => ''},
1109: $cdom,$cnum);
1110: undef($uploaded);
1111: }
1112: }
1113: } else {
1114: $external=$env{'form.externalsyllabus'};
1115: $external =~ s/(`)//g;
1116: my $putres =
1117: &Apache::lonnet::put('environment',{externalsyllabus=>$external},
1118: $cdom,$cnum);
1119: if ($putres eq 'ok') {
1120: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.externalsyllabus' => $external});
1121: $output = '<div>'.
1122: &Apache::lonhtmlcommon::confirm_success(&mt('External URL saved.')).
1123: '</div>';
1124: if ($uploaded) {
1125: my $prefix;
1126: my $home=&Apache::lonnet::homeserver($cnum,$cdom);
1127: if ($home ne 'no_host') {
1128: my $protocol = $Apache::lonnet::protocol{$home};
1129: $protocol = 'http' if ($protocol ne 'https');
1130: $prefix = $protocol.'://'.&Apache::lonnet::hostname($home);
1131: }
1132: unless ($external =~ m{^\Q$prefix/uploaded/$cdom/$cnum/portfolio/syllabus\E}) {
1133: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.uploadedsyllabus');
1134: &Apache::lonnet::put('environment',{uploadedsyllabus => ''},
1135: $cdom,$cnum);
1136: undef($uploaded);
1137: }
1138: }
1139: } else {
1140: $output = '<div class="LC_error">'.
1141: &mt('An error occurred storing the external URL: [_1]',$putres).
1142: '</div>';
1143: }
1144: }
1145: } else {
1146: $output = '<div class="LC_error">'.
1147: &mt('External URL not saved -- invalid URL.').
1148: '</div>';
1149: }
1150: } elsif (($env{'form.choice'} eq 'file') || ($env{'form.choice'} eq 'minimal')) {
1151: # Process file upload - phase one - upload and parse primary file.
1152: my ($upload_result,$uploadphase,$url,$needlink,$error,$errormsg);
1153: if ($env{'form.choice'} eq 'file') {
1154: if ($env{'form.syllabusfile.filename'}) {
1155: my %allfiles = ();
1156: my %codebase = ();
1157: ($url,$needlink) = &process_upload(\$output,$cnum,$cdom,
1158: \%allfiles,\%codebase);
1159: } else {
1160: $output = '<div class="LC_info">';
1161: &mt('No file uploaded').
1162: '</div>';
1163: }
1164: } elsif ($env{'form.choice'} eq 'minimal') {
1165: my $title = $env{'form.syllabustitle'};
1166: $title =~ s{`}{}g;
1167: $title=~s/^\s+//;
1168: $title=~s/\s+$//;
1169: if ($title eq '') {
1170: $title = &mt('Syllabus');
1171: }
1172: my $initialtext = &mt('Replace with your own content.');
1173: my $newhtml = <<END;
1174: <html>
1175: <head>
1176: <title>$title</title>
1177: </head>
1178: <body bgcolor="#ffffff">
1179: <h2>$title</h2>
1180: $initialtext
1181: </body>
1182: </html>
1183: END
1184: $env{'form.output'}=$newhtml;
1185: $url =
1186: &Apache::lonnet::finishuserfileupload($cnum,$cdom,'output',
1187: 'portfolio/syllabus/loncapa.html');
1188: }
1189: if ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E.*/[^/]+$}) {
1190: my $exturl;
1191: my $home=&Apache::lonnet::homeserver($cnum,$cdom);
1192: if ($home ne 'no_host') {
1193: my $protocol = $Apache::lonnet::protocol{$home};
1194: $protocol = 'http' if ($protocol ne 'https');
1195: $exturl = $protocol.'://'.&Apache::lonnet::hostname($home).$url;
1196: }
1197: my %storehash;
1198: if ($env{'form.choice'} eq 'minimal') {
1199: $storehash{'minimalsyllabus'} = $url;
1200: } else {
1201: $storehash{'uploadedsyllabus'} = $url;
1202: }
1203: if ($exturl) {
1204: $storehash{'externalsyllabus'} = $exturl;
1205: if ($exturl =~ /\.(html?|txt|js|css)$/) {
1206: $exturl .= '?inhibitmenu=yes';
1207: }
1208: } else {
1209: $storehash{'externalsyllabus'} = '',
1210: }
1211: my $putres =
1212: &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1213: if ($putres eq 'ok') {
1214: &Apache::lonnet::make_public_indefinitely($url);
1215: foreach my $key (keys(%storehash)) {
1216: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.'.$key => $storehash{$key}});
1217: }
1218: if ($env{'form.choice'} eq 'minimal') {
1219: $minimal = $url;
1220: } else {
1221: $uploaded = $url;
1222: }
1223: if ($needlink) {
1224: $output .= &return_to_editor($cdom,$cnum);
1225: $earlyout = 1;
1226: }
1227: } else {
1228: $error = 1;
1229: $errormsg = $putres;
1230: }
1231: } else {
1232: $error = 1;
1233: }
1234: if ($error) {
1235: $output = '<div class="LC_error">';
1236: if ($env{'form.choice'} eq 'minimal') {
1237: $output = &mt('An error occurred creating the minimal template file [_1]',$errormsg);
1238: } else {
1239: $output = &mt('An error occurred storing the uploaded file [_1]',$errormsg);
1240: }
1241: $output .= '</div>';
1242: }
1243: } elsif ($env{'form.phase'} eq 'upload_embedded') {
1244: # Process file upload - phase two - upload embedded objects
1245: my $uploadphase = 'check_embedded';
1246: my $primaryurl = &HTML::Entities::encode($env{'form.primaryurl'},'<>&"');
1247: my $state = &embedded_form_elems($uploadphase,$primaryurl);
1248: my $url_root = '/uploaded/'.$cdom.'/'.$cnum;
1249: my $actionurl = "/public/$cdom/$cnum/syllabus";
1250: my ($result,$flag,$numpathchgs) =
1251: &Apache::loncommon::upload_embedded('syllabus','portfolio/syllabus',
1252: $cnum,$cdom,'/userfiles',$url_root,undef,undef,undef,$state,
1253: $actionurl);
1254: unless ($numpathchgs) {
1255: my $modres =
1256: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1257: $cnum,$cdom,
1258: '/userfiles',$env{'form.primaryurl'});
1259: $result .= $modres;
1260: }
1261: $output = $result.&return_to_editor($cdom,$cnum);
1262: $earlyout = 1;
1263: } elsif ($env{'form.phase'} eq 'check_embedded') {
1264: # Process file upload - phase three - modify references in HTML file
1265: my $uploadphase = 'modified_orightml';
1266: my $result =
1267: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1268: $cnum,$cdom,
1269: '/userfiles',$env{'form.primaryurl'});
1270: $output = $result.&return_to_editor($cdom,$cnum);
1271: $earlyout = 1;
1272: }
1273: return ($earlyout,$uploaded,$external,$minimal,$output);
1274: }
1275:
1276: sub process_upload {
1277: my ($upload_output,$cnum,$cdom,$allfiles,$codebase) = @_;
1278: my ($parseaction,$showupload,$mimetype);
1279: my $dest = 'portfolio/syllabus';
1280: if ($env{'form.parserflag'}) {
1281: $parseaction = 'parse';
1282: }
1283: my $url=&Apache::lonnet::userfileupload('syllabusfile','syllabus',$dest,
1284: $parseaction,$allfiles,
1285: $codebase,undef,undef,undef,undef,
1286: undef,undef,\$mimetype);
1287: if ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E.*/([^/]+)$}) {
1288: my $stored = $1;
1289: $showupload = '<p>'.&mt('Uploaded [_1]',
1290: '<span class="LC_filename">'.$stored.'</span>').
1291: '</p>';
1292: } else {
1293: my ($filename) = ($env{'form.syllabusfile.filename'} =~ m{([^/]+)$});
1294: $$upload_output = '<div class="LC_error" id="uploadfileresult">'.
1295: &mt('Unable to save file [_1].',
1296: '<span class="LC_filename">'.$filename.'</span>').
1297: '</div>';
1298: return ();
1299: }
1300: my $needlink;
1301: if (($parseaction eq 'parse') && ($mimetype eq 'text/html')) {
1302: $$upload_output = $showupload;
1303: my $total_embedded = scalar(keys(%{$allfiles}));
1304: if ($total_embedded > 0) {
1305: my $uploadphase = 'upload_embedded';
1306: my $primaryurl = &HTML::Entities::encode($url,'<>&"');
1307: my $state = &embedded_form_elems($uploadphase,$primaryurl);
1308: my $actionurl = "/public/$cdom/$cnum/syllabus";
1309: my ($embedded,$num,$numpathchanges,$existing);
1310: ($embedded,$num,$numpathchanges,$existing) =
1311: &Apache::loncommon::ask_for_embedded_content($actionurl,$state,
1312: $allfiles,$codebase,
1313: {'error_on_invalid_names' => 1,
1314: 'ignore_remote_references' => 1,});
1315: if ($embedded) {
1316: $needlink = 1;
1317: if ($num) {
1318: $$upload_output .=
1319: '<p>'.&mt('This file contains embedded multimedia objects, which need to be uploaded.').'</p>'.$embedded;
1320: } elsif ($numpathchanges) {
1321: $$upload_output .= $embedded;
1322: } else {
1323: $$upload_output .= $embedded;
1324: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1325: $cnum,$cdom,'/userfiles',$url);
1326: }
1327: } else {
1328: $$upload_output .= &mt('Embedded item(s) already present, so no additional upload(s) required').'<br />';
1329: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1330: $cnum,$cdom,'/userfiles',$url);
1331:
1332: }
1333: } else {
1334: $$upload_output .= &mt('No embedded items identified').'<br />';
1335: }
1336: $$upload_output = '<div id="uploadfileresult">'.$$upload_output.'</div>';
1337: }
1338: return ($url,$needlink);
1339: }
1340:
1341: sub embedded_form_elems {
1342: my ($phase,$primaryurl) = @_;
1343: return <<STATE;
1344: <input type="hidden" name="forceedit" value="1" />
1345: <input type="hidden" name="cmd" value="upload_embedded" />
1346: <input type="hidden" name="phase" value="$phase" />
1347: <input type="hidden" name="primaryurl" value="$primaryurl" />
1348: STATE
1349: }
1350:
1351: sub return_to_editor {
1352: my ($cdom,$cnum) = @_;
1353: my $actionurl = "/public/$cdom/$cnum/syllabus";
1354: return '<p><form name="backtoeditor" method="post" action="'.$actionurl.'" />'.
1355: '<input type="hidden" name="forceedit" value="1" />'."\n".
1356: '<a href="javascript:document.backtoeditor.submit();">'.&mt('Return to Editor').
1357: '</a></p>';
1358: }
1359:
1360: sub editfile_button {
1361: my ($url,$context) = @_;
1362: my $edittext=&mt('Edit');
1363: my $deltext=&mt('Delete');
1364: return <<"END";
1365: <input type="button" value="$edittext" onclick="javascript:gotoeditor('$url');" name="edit_$context" />
1366:
1367: <input type="button" value="$deltext" onclick="javascript:dodelete('$context');" name="del_$context" />
1368: <input type="hidden" value="" name="deleteuploaded" />
1369: END
1370: }
1371:
1372: sub editbutton_js {
1373: return <<ENDJS;
1374: <script type="text/javascript">
1375: // <![CDATA[
1376: function gotoeditor(url) {
1377: document.location.href = url+'?editmode=1&forceedit=1';
1378: }
1379: function dodelete(caller,url) {
1380: document.syllabus.deleteuploaded.value=caller;
1381: document.syllabus.submit();
1382: }
1383: // ]]>
1384: </script>
1385: ENDJS
1386: }
1387:
1388: 1;
1389: __END__
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