File:
[LON-CAPA] /
loncom /
interface /
lonsyllabus.pm
Revision
1.120:
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Mon May 6 16:15:59 2013 UTC (11 years ago) by
raeburn
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- lonrss::advertisefeeds() takes two additional, optional args:
$count, $hidden (refs to scalars to accumulate counts of visible feeds
- Set additional item in %env for a course:
$env{'course.<courseid>.feeds'} contains number of visible course RSS feeds.
- Added information in Syllabus template about availability of RSS Feeds and
Blogs item (editing mode).
1: # The LearningOnline Network
2: # Syllabus
3: #
4: # $Id: lonsyllabus.pm,v 1.120 2013/05/06 16:15:59 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:
104: if ($uploaded =~/\w/) {
105: if ($external =~ m{\Q$uploaded\E$}) {
106: undef($external);
107: }
108: unless ($allowed && $forceedit) {
109: my $file=&Apache::lonnet::filelocation("",$uploaded);
110: if ($file =~ /\.(sty|css|js|txt|tex|html?)$/) {
111: my $filetype;
112: if ($file =~ /\.(sty|css|js|txt|tex)$/) {
113: $filetype=$1;
114: } else {
115: $filetype='html';
116: }
117: my $result = '';
118: my $filecontents=&Apache::lonnet::getfile($file);
119: if ($filecontents eq -1) {
120: $r->print(&mt('Syllabus file unavailable'));
121: } elsif ($filetype eq 'html') {
122: my %mystyle;
123: &Apache::structuretags::reset_problem_globals();
124: my $oldfile = $env{'request.filename'};
125: $env{'request.filename'} = $uploaded;
126: $result = &Apache::lonxml::xmlparse($r,'web',$filecontents,
127: '',%mystyle);
128: &Apache::structuretags::reset_problem_globals();
129: &Apache::lonhomework::finished_parsing();
130: $env{'request.filename'} = $oldfile;
131: &Apache::lonxml::add_messages(\$result);
132: $r->print($result);
133: }
134: } else {
135: $r->print(&Apache::lonwrapper::wrapper($uploaded));
136: }
137: return OK;
138: }
139: } elsif ($external=~/\w/) {
140: unless ($allowed && $forceedit) {
141: $r->print(&Apache::lonwrapper::wrapper($external));
142: return OK;
143: }
144: }
145:
146: my $crstype = &Apache::loncommon::course_type();
147:
148: # ------------------------------ The buck stops here: internal syllabus display
149: # --------------------------------------------------------- The syllabus fields
150: my %syllabusfields=&Apache::lonlocal::texthash(
151: 'aaa_instructorinfo' => 'Instructor Information',
152: 'bbb_description' => 'Course Description',
153: 'ccc_prereq' => 'Prerequisites',
154: 'cdc_classhours' => 'Class Hours',
155: 'ddd_officehours' => 'Office Hours',
156: 'eee_helproom' => 'Helproom Hours',
157: 'efe_projectinfo' => 'Project Information',
158: 'fff_examinfo' => 'Exam Information',
159: 'fgf_deadlines' => 'Deadlines',
160: 'ggg_grading' => 'Grading Information',
161: 'hhh_readings' => 'Readings',
162: 'iii_coursepack' => 'Coursepack',
163: 'jjj_weblinks' => 'Web Links',
164: 'kkk_textbook' => 'Textbook',
165: 'lll_includeurl' => 'URLs To Include in Syllabus');
166: # ----------------------------------------------------------------- Make header
167: if ($target ne 'tex') {
168: my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
169: my $js;
170: if ($env{'form.backto'} eq 'coursecatalog') {
171: $js .= <<"ENDSCRIPT";
172:
173: <script type="text/javascript">
174: // <![CDATA[
175:
176: function ToCatalog(caller) {
177: numidx = getIndexByName('coursenum');
178: if (numidx > -1) {
179: if (caller != 'details') {
180: document.backtocat.elements[numidx].value = '';
181: }
182: }
183: document.backtocat.submit();
184: }
185:
186: function getIndexByName(item) {
187: for (var i=0;i<document.backtocat.elements.length;i++) {
188: if (document.backtocat.elements[i].name == item) {
189: return i;
190: }
191: }
192: return -1;
193: }
194:
195: // ]]>
196: </script>
197:
198: ENDSCRIPT
199: }
200: if ($allowed && $forceedit) {
201: my $check_uncheck = &Apache::loncommon::check_uncheck_jscript();
202: my $invurl = &mt('Invalid URL');
203: my $urlregexp = <<'ENDREGEXP';
204: /^([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
205: ENDREGEXP
206:
207: $js .= <<"ENDSCRIPT";
208:
209: <script type="text/javascript">
210: // <![CDATA[
211:
212: function toggleEditor(pick) {
213: var choices = new Array('template','url','file','templatebox');
214: for (var i=0; i<choices.length; i++) {
215: if (((choices[i] == 'templatebox') && (pick == 'template')) ||
216: (choices[i] == pick)) {
217: document.getElementById(choices[i]).style.display='block';
218: } else {
219: document.getElementById(choices[i]).style.display='none';
220: }
221: }
222: return;
223: }
224:
225: var regexp = $urlregexp;
226:
227: function extUrlPreview(caller) {
228: if (document.getElementById(caller)) {
229: var url = document.getElementById(caller).value;
230: if (regexp.test(url)) {
231: openMyModal(url,500,400,'yes');
232: } else {
233: alert("$invurl");
234: }
235: }
236: }
237:
238: function toggleBox(name,caller) {
239: if (name == 'all') {
240: if (document.syllabus.showfield.length > 0) {
241: for (var i=0; i<document.syllabus.showfield.length; i++) {
242: if (document.syllabus.showfield[i].checked) {
243: if (document.getElementById('box_'+document.syllabus.showfield[i].value)) {
244: document.getElementById('box_'+document.syllabus.showfield[i].value).style.display='block';
245: }
246: } else {
247: if (document.getElementById('box_'+document.syllabus.showfield[i].value)) {
248: document.getElementById('box_'+document.syllabus.showfield[i].value).style.display='none';
249: }
250: }
251: }
252: }
253: } else {
254: if (caller.checked) {
255: if (document.getElementById('box_'+caller.value)) {
256: document.getElementById('box_'+caller.value).style.display='block';
257: }
258: } else {
259: if (document.getElementById('box_'+caller.value)) {
260: document.getElementById('box_'+caller.value).style.display='none';
261: }
262: }
263: }
264: return;
265: }
266:
267: $check_uncheck
268:
269: // ]]>
270: </script>
271:
272: ENDSCRIPT
273: }
274: my $args = {'function' => undef,
275: 'domain' => $cdom};
276: my $forcereg;
277: if ($env{'form.register'}) {
278: $forcereg = 1;
279: $args->{'force_register'} = $forcereg;
280: }
281: if ($env{'form.backto'} eq 'coursecatalog') {
282: &Apache::lonhtmlcommon::clear_breadcrumbs();
283: my $brcrum = [{href=>"javascript:ToCatalog();",
284: text=>&mt('Course/Community Catalog'),
285: no_mt=>1}
286: ];
287: if ($env{'form.coursenum'} ne '') {
288: push(@{$brcrum},
289: {href=>"javascript:ToCatalog('details')",
290: text=>"Course details"});
291: }
292: push(@{$brcrum},
293: {href=>$r->uri,
294: text=>"Course syllabus"});
295: $args->{'bread_crumbs'} = $brcrum;
296: } elsif ($env{'form.folderpath'} =~ /^supplemental/) {
297: my $title = $env{'form.title'};
298: if ($title eq '') {
299: $title = &mt('Syllabus');
300: }
301: my $brcrum =
302: &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
303: if (ref($brcrum) eq 'ARRAY') {
304: $args->{'bread_crumbs'} = $brcrum;
305: }
306: }
307: my $start_page =
308: &Apache::loncommon::start_page("Syllabus", $rss_link.$js,$args);
309: $r->print($start_page);
310: }
311: # ---------------------------------------------------------- Load syllabus info
312: my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
313: my %displayfields;
314:
315: # This handler might be called anonymously ...
316: # ----------------------------------------------------- Only if not public call
317: if ($allowed) {
318: #store what the user typed in to the template
319: if ($env{'form.storesyl'}) {
320: foreach my $syl_field (keys(%syllabusfields)) {
321: my $field=$env{'form.'.$syl_field};
322: chomp($field);
323: $field=~s/\s+$//s;
324: $field=~s/^\s+//s;
325: $field=~s/\<br\s*\/*\>$//s;
326: $field=&Apache::lonfeedback::clear_out_html($field,1);
327: #here it will be stored
328: $syllabus{$syl_field}=$field;
329: if ($syl_field eq 'lll_includeurl') { # clean up included URLs
330: my $field='';
331: foreach my $value (split(/\n/,$syllabus{$syl_field})) {
332: my $url=$value;
333: # get rid of leading and trailing spaces
334: $url=~s/^\s+//;
335: $url=~s/\s+$//;
336: if ($url=~m|^https?\://([^/]+)/(.+)$|) {
337: my $host = $1;
338: my $remainder=$2;
339: # remove the hostname from internal URLs
340: my $hostname = &Apache::lonnet::hostname($host);
341: my %all_hostnames = &Apache::lonnet::all_hostnames();
342: foreach my $possible_host (keys(%all_hostnames)) {
343: if ($possible_host =~ /\Q$hostname\E/i) {
344: $url=$remainder;
345: }
346: }
347: }
348: # norm internal URLs
349: unless ($url=~/^https?\:/) {
350: $url=&Apache::lonnet::clutter($url);
351: }
352: # re-assemble field
353: if ($url) {
354: $field.=$url."\n";
355: }
356: }
357: $syllabus{$syl_field}=$field;
358: }
359: }
360: $syllabus{'uploaded.domain'}=$env{'user.domain'};
361: $syllabus{'uploaded.name'}=$env{'user.name'};
362: $syllabus{'uploaded.lastmodified'}=time;
363: &Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum);
364: my %storehash;
365: if ($courseenv{'uploadedsyllabus'}) {
366: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.uploadedsyllabus');
367: $storehash{'uploadedsyllabus'} = '';
368: }
369: if ($courseenv{'externalsyllabus'}) {
370: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.externalsyllabus');
371: $storehash{'externalsyllabus'} = '';
372: }
373: if ($courseenv{'externalsyllabus'} || $courseenv{'uploadedsyllabus'}) {
374: &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
375: undef($uploaded);
376: undef($external);
377: }
378: } elsif ($env{'form.storeurl'}) {
379: if ($env{'form.externalsyllabus'} =~ m{^https?://}) {
380: if ($env{'form.externalsyllabus'} eq $external) {
381: $r->print('<div class="LC_info">'.
382: &mt('External URL unchanged.').
383: '</div>');
384: if ($uploaded) {
385: my $prefix;
386: my $home=&Apache::lonnet::homeserver($cnum,$cdom);
387: if ($home ne 'no_host') {
388: my $protocol = $Apache::lonnet::protocol{$home};
389: $protocol = 'http' if ($protocol ne 'https');
390: $prefix = $protocol.'://'.&Apache::lonnet::hostname($home);
391: }
392: unless ($external =~ m{^\Q$prefix/uploaded/$cdom/$cnum/portfolio/syllabus\E}) {
393: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.uploadedsyllabus');
394: &Apache::lonnet::put('environment',{uploadedsyllabus => ''},
395: $cdom,$cnum);
396: undef($uploaded);
397: }
398: }
399: } else {
400: $external=$env{'form.externalsyllabus'};
401: $external =~ s/(`)//g;
402: my $putres =
403: &Apache::lonnet::put('environment',{externalsyllabus=>$external},
404: $cdom,$cnum);
405: if ($putres eq 'ok') {
406: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.externalsyllabus' => $external});
407: $r->print('<div>'.
408: &Apache::lonhtmlcommon::confirm_success(&mt('External URL saved.')).
409: '</div>');
410: if ($uploaded) {
411: my $prefix;
412: my $home=&Apache::lonnet::homeserver($cnum,$cdom);
413: if ($home ne 'no_host') {
414: my $protocol = $Apache::lonnet::protocol{$home};
415: $protocol = 'http' if ($protocol ne 'https');
416: $prefix = $protocol.'://'.&Apache::lonnet::hostname($home);
417: }
418: unless ($external =~ m{^\Q$prefix/uploaded/$cdom/$cnum/portfolio/syllabus\E}) {
419: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.uploadedsyllabus');
420: &Apache::lonnet::put('environment',{uploadedsyllabus => ''},
421: $cdom,$cnum);
422: undef($uploaded);
423: }
424: }
425: } else {
426: $r->print('<div class="LC_error">'.
427: &mt('An error occurred storing the external URL: [_1]',$putres).
428: '</div>');
429: }
430: }
431: } else {
432: $r->print('<div class="LC_error">'.
433: &mt('External URL not saved -- invalid URL.').
434: '</div>');
435: }
436: } elsif ($env{'form.storefile'}) {
437: # Process file upload - phase one - upload and parse primary file.
438: my %allfiles = ();
439: my %codebase = ();
440: my ($upload_result,$upload_output,$uploadphase);
441: if ($env{'form.syllabusfile.filename'}) {
442: my ($url,$needlink) = &process_upload(\$upload_output,$cnum,$cdom,
443: \%allfiles,\%codebase);
444: $r->print($upload_output);
445: if ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E.*/[^/]+$}) {
446: my $exturl;
447: my $home=&Apache::lonnet::homeserver($cnum,$cdom);
448: if ($home ne 'no_host') {
449: my $protocol = $Apache::lonnet::protocol{$home};
450: $protocol = 'http' if ($protocol ne 'https');
451: $exturl = $protocol.'://'.&Apache::lonnet::hostname($home).$url;
452: }
453: my %storehash = (
454: uploadedsyllabus => $url,
455: );
456: if ($exturl) {
457: $storehash{'externalsyllabus'} = $exturl;
458: if ($exturl =~ /\.(html?|txt|js|css)$/) {
459: $exturl .= '?inhibitmenu=yes';
460: }
461: } else {
462: $storehash{'externalsyllabus'} = '',
463: }
464: my $putres =
465: &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
466: if ($putres eq 'ok') {
467: &Apache::lonnet::make_public_indefinitely($url);
468: foreach my $key (keys(%storehash)) {
469: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.'.$key => $storehash{$key}});
470: }
471: $uploaded = $url;
472: if ($needlink) {
473: $r->print(&return_to_editor($cdom,$cnum).
474: &Apache::loncommon::end_page());
475: return OK;
476: }
477: }
478: }
479: }
480: } elsif ($env{'form.phase'} eq 'upload_embedded') {
481: # Process file upload - phase two - upload embedded objects
482: my $uploadphase = 'check_embedded';
483: my $primaryurl = &HTML::Entities::encode($env{'form.primaryurl'},'<>&"');
484: my $state = &embedded_form_elems($uploadphase,$primaryurl);
485: my $url_root = '/uploaded/'.$cdom.'/'.$cnum;
486: my $actionurl = "/public/$cdom/$cnum/syllabus";
487: my ($result,$flag,$numpathchgs) =
488: &Apache::loncommon::upload_embedded('syllabus','portfolio/syllabus',
489: $cnum,$cdom,'/userfiles',$url_root,undef,undef,undef,$state,
490: $actionurl);
491: unless ($numpathchgs) {
492: my $modres =
493: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
494: $cnum,$cdom,
495: '/userfiles',$env{'form.primaryurl'});
496: $result .= $modres;
497: }
498: $r->print($result.&return_to_editor($cdom,$cnum).
499: &Apache::loncommon::end_page());
500: return OK;
501: } elsif ($env{'form.phase'} eq 'check_embedded') {
502: # Process file upload - phase three - modify references in HTML file
503: my $uploadphase = 'modified_orightml';
504: my $result =
505: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
506: $cnum,$cdom,
507: '/userfiles',$env{'form.primaryurl'});
508: $r->print($result.&return_to_editor($cdom,$cnum).
509: &Apache::loncommon::end_page());
510: return OK;
511: }
512: foreach my $field (keys(%syllabusfields)) {
513: if ($syllabus{$field} ne '') {
514: $displayfields{$field} = ' style="display:block;"';
515: } else {
516: $displayfields{$field} = ' style="display:none;"';
517: }
518: }
519: }
520:
521: if ($allowed) {
522: #---------------------------------- Print External URL Syllabus Info if editing
523: if ($target ne 'tex') {
524: my $protocol = $Apache::lonnet::protocol{$homeserver};
525: $protocol = 'http' if ($protocol ne 'https');
526: my $link = $protocol.'://'.&Apache::lonnet::hostname($homeserver).$r->uri;
527: $r->print('<div class="LC_left_float">'
528: .'<span class="LC_help_open_topic LC_info">'
529: .'<span class="LC_info">'
530: .&mt('Public link (no log-in): [_1]','<tt>'.$link.'</tt>')
531: .' </span>'.&Apache::loncommon::help_open_topic('Syllabus_ExtLink')
532: .'</span>'
533: .'</div><div style="padding:0;clear:both;margin:0;border:0"></div>');
534: my $lonhost = $r->dir_config('lonHostID');
535: $r->print(&chooser($external,$uploaded,$cdom,$cnum,$lonhost,\%syllabusfields,\%syllabus));
536: }
537: } else {
538: #--------------------------------------------- Print last update unless editing
539: my $lastmod=$syllabus{'uploaded.lastmodified'};
540: $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
541: my $who;
542: if ($syllabus{'uploaded.lastmodified'}) {
543: if (($env{'user.name'} ne 'public') && ($env{'user.domain'} ne 'public')) {
544: $who = &Apache::loncommon::aboutmewrapper(
545: &Apache::loncommon::plainname($syllabus{'uploaded.name'},
546: $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
547: $syllabus{'uploaded.domain'});
548: } else {
549: # Public user?
550: # Only display name of user, but no link to personal information page
551: $who = &Apache::loncommon::plainname(
552: $syllabus{'uploaded.name'},
553: $syllabus{'uploaded.domain'});
554: }
555: }
556: if ($target ne 'tex') {
557: $r->print('<div class="LC_info">'.&mt('Last updated').': '.
558: $lastmod . ' '.
559: ($who ? &mt('by').' '.$who
560: : '' ) .
561: '</div>' );
562: } else {
563: $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.
564: ($who? &mt('by').'\\\\ '.
565: &Apache::loncommon::plainname($syllabus{'uploaded.name'},$syllabus{'uploaded.domain'})
566: :'')
567: .'\\\\');
568: }
569: }
570:
571: #-------------------------------------------------------------- Print Headtitle
572: if ($target ne 'tex') {
573: my $display = 'block';
574: if ($external || $uploaded) {
575: $display = 'none';
576: }
577: $r->print('<div class="LC_Box" id="template" style="display: '.$display.'">'.
578: '<h2 class="LC_hcell">'.$courseenv{'description'}.'</h2>');
579: if ($allowed) {
580: $r->print('<div style="margin: 0; float:left;">'.
581: '<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>'.
582: '</div>');
583: # Print Help Text if editing at right side of screen
584: $r->print('<div style="margin: 0; float:right;">'.
585: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')).
586: '</div><br clear="all" />');
587: } else {
588: $r->print('<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>');
589: }
590: } else {
591: $r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'.
592: &Apache::lonnet::domain($cdom,'description').'}\\\\');
593: }
594: # -------------------------------------------------------- Get course personnel
595: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
596: if ($target ne 'tex') {
597: $r->print(&Apache::lonhtmlcommon::start_pick_box());
598: } else {
599: $r->print('\begin{tabular}{|p{0.45\textwidth}|p{0.45\textwidth}|}\hline');
600: }
601: my @personnel=sort(keys(%coursepersonnel));
602: my $lastpers=$personnel[$#personnel];
603: foreach my $element (@personnel) {
604: if ($target ne 'tex') {
605: $r->print(&Apache::lonhtmlcommon::row_title($element));
606: } else {
607: $r->print(' '.&Apache::lonxml::xmlparse($r,'tex',$element).' & ');
608: }
609: my @coursepersonlist;
610: foreach (split(/\,/,$coursepersonnel{$element})) {
611: my ($puname,$pudom)=split(/\:/,$_);
612: if ($target ne 'tex') {
613: my $courseperson = &Apache::loncommon::plainname($puname,$pudom);
614: if (($env{'user.name'} eq '') || ($env{'user.name'} eq 'public') ||
615: ($env{'user.domain'} eq '') || ($env{'user.domain'} eq 'public')) {
616: push(@coursepersonlist,$courseperson);
617: } else {
618: push(@coursepersonlist,&Apache::loncommon::aboutmewrapper($courseperson,
619: $puname,$pudom));
620: }
621: } else {
622: push(@coursepersonlist,&Apache::loncommon::plainname($puname,
623: $pudom).' ');
624: }
625: }
626: $r->print(join(", ",@coursepersonlist));
627: if ($target ne 'tex') {
628: my $lastclose=$element eq $lastpers?1:0;
629: $r->print(&Apache::lonhtmlcommon::row_closure($lastclose));
630: } else {
631: $r->print('\\\\ \hline');
632: }
633: }
634: if ($target ne 'tex') {
635: $r->print(&Apache::lonhtmlcommon::end_pick_box());
636: } else {
637: $r->print('\end{tabular}\\\\');
638: }
639: # -------------------------------------------------------------- Announcements?
640: my $day = &Apache::lonannounce::showday(time,2,
641: &Apache::lonannounce::readcalendar($cdom.'_'.$cnum));
642: if ($target ne 'tex') {
643: if ($allowed) {
644: my $display = ' style="display:block;"';
645: if ($syllabus{'000_showrssfeeds'} eq 'no') {
646: $display = ' style="display:none;"';
647: }
648: &Apache::lontemplate::print_start_template($r,&mt('RSS Feeds and Blogs'),'LC_Box',
649: 'box_000_showrssfeeds',$display);
650: my ($numfeeds,$hiddenfeeds,$rsslinktext);
651: my $feeds=&Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit,\$numfeeds,\$hiddenfeeds);
652: if ($numfeeds) {
653: $r->print($feeds);
654: $rsslinktext = &mt('New RSS Feed or Blog');
655: } else {
656: my $msg = '<br />'.
657: &mt("RSS Feeds and Blogs item is not included in a student's view of the syllabus.");
658: if ($hiddenfeeds) {
659: $r->print('<p class="LC_info">'.
660: &mt('All feeds currently hidden').
661: $msg.
662: '</p>');
663: } else {
664: $r->print('<p class="LC_info">'.
665: &mt('No current feeds').
666: $msg.
667: '</p>');
668: }
669: $rsslinktext = &mt('Manage Course RSS Feeds/Blogs');
670: if ($crstype eq 'Community') {
671: $rsslinktext = &mt('Manage Communiity RSS Feeds/Blogs');
672: }
673: }
674: my $editurl= &Apache::lonnet::absolute_url().'/adm/'.$cdom.'/'.$cnum.'/_rss.html';
675: $r->print( '<a href="'.$editurl.'">'.$rsslinktext.'</a>');
676: &Apache::lontemplate::print_end_template($r);
677: } else {
678: unless ($syllabus{'000_showrssfeeds'} eq 'no') {
679: my $feeds = &Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit);
680: if ($feeds ne '') {
681: &Apache::lontemplate::print_start_template($r,&mt('RSS Feeds and Blogs'),'LC_Box');
682: $r->print($feeds);
683: &Apache::lontemplate::print_end_template($r);
684: }
685: }
686: }
687: } else {
688: $r->print(&Apache::lonxml::xmlparse($r,'tex',$day));
689: }
690: # ---------------------------------------------------------------- Get syllabus
691: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
692: if ($allowed) {
693: $r->print('<form method="post" action="">'.
694: '<input type="hidden" name="forceedit" value="'.$env{'form.forceedit'}.'" />');
695: }
696:
697: my $url_include_handler = sub {
698: my ($r, $field, $message, $group, $data_ref, $fields_ref, $target, $allowed, $display) = @_;
699: my %data = %{$data_ref};
700: my %fields = %{$fields_ref};
701: my $urls=$message;
702: $message='';
703: foreach my $filelink (split(/\n/,$urls)) {
704: my $output='';
705: # embed style?
706: my ($curfext)=($filelink=~/\.([^\.]+)$/);
707: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
708: if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) {# make ssi call and remove everything but the body contents
709: $output=&Apache::lonnet::ssi_body($filelink);
710: } elsif ($embstyle eq 'img') {# embed as an image
711: $output='<img src="'.$filelink.'" />';
712: }
713: if ($output ne '') {
714: if ($target ne 'tex') {
715: $message.='<p>'.$output.'</p>';
716: } else {
717: $message.=' '.&Apache::lonxml::xmlparse($r,'tex','<p>'.$output.'</p>').' ';
718: }
719: }
720: }
721: if ($allowed) {
722: &Apache::lonfeedback::newline_to_br(\$urls);
723: &Apache::lontemplate::print_start_template($r,$fields{$field}.
724: &Apache::loncommon::help_open_topic('Syllabus_URLs'),'LC_Box',
725: 'box_'.$field,$display);
726: $r->print($urls);
727: $r->print("<br /><div>");
728: &Apache::lontemplate::print_textarea_template($r, $data{$field},
729: $field, Apache::lontemplate->RICH_TEXT_ALWAYS_OFF);
730: &Apache::lontemplate::print_saveall_template($r);
731: $r->print("</div>");
732: &Apache::lontemplate::print_end_template($r);
733:
734: } else {
735: $r->print($message);
736: }
737: };
738: my %custom_hash = ( 'lll_includeurl' => $url_include_handler );
739: &Apache::lontemplate::print_template_fields($r, \%syllabus, \%syllabusfields,
740: $target, $allowed, Apache::lontemplate->RICH_TEXT_DETECT_HTML, \%custom_hash,
741: undef,\%displayfields);
742: if ($allowed) {
743: $r->print('</form>'.
744: &Apache::lonhtmlcommon::htmlareaselectactive());
745: }
746: } else {
747: if ($target ne 'tex') {$r->print('<p class="LC_info">');} else {$r->print('\par ');}
748: $r->print(&mt('No syllabus information provided.'));
749: if ($target ne 'tex') {$r->print('</p>');}
750: }
751: if ($target ne 'tex') {
752: $r->print('</div>');
753: if ($env{'form.backto'} eq 'coursecatalog') {
754: $r->print('<form name="backtocat" method="post" action="/adm/coursecatalog">'.
755: &Apache::lonhtmlcommon::echo_form_input(['backto','courseid']).
756: '</form>');
757: }
758: $r->print(&Apache::loncommon::end_page());
759: } else {
760: $r->print('\end{document}');
761: }
762: return OK;
763: }
764:
765: sub chooser {
766: my ($external,$uploaded,$cdom,$cnum,$lonhost,$fields,$values) = @_;
767: my %lt = &Apache::lonlocal::texthash(
768: 'type' => 'Syllabus Type',
769: 'url' => 'External URL',
770: 'file' => 'Uploaded File',
771: 'template' => 'Syllabus Template',
772: 'templateboxes' => 'Choose template items ... ',
773: 'curr' => 'Current:',
774: 'rep' => 'Replace:',
775: 'upl' => 'Upload:',
776: 'pr' => 'Preview',
777: 'save' => 'Save',
778: 'chourl' => 'Choose external URL',
779: 'chofile' => 'Uploaded syllabus file',
780: 'parse' => 'Upload embedded images/multimedia files if HTML file',
781: );
782: my %checked = (
783: file => '',
784: url => '',
785: template => '',
786: );
787: my %display = (
788: file => 'none',
789: url => 'none',
790: templatebox => 'none',
791: );
792: my $check = ' checked="checked" ';
793: if ($uploaded) {
794: $checked{'file'} = $check;
795: $display{'file'} = 'block';
796: } elsif ($external) {
797: $checked{'url'} = $check;
798: $display{'url'} = 'block';
799: } else {
800: $checked{'template'} = $check;
801: $checked{'templatebox'} = $check;
802: $display{'templatebox'} = 'block';
803: }
804:
805: my $output =
806: '<form name="syllabus" method="post" enctype="multipart/form-data" action="">'."\n".
807: '<input type="hidden" name="forceedit" value="1" />'."\n".
808: '<div class="LC_left_float"><fieldset><legend>'.$lt{'type'}.'</legend>';
809: foreach my $item ('template','url','file') {
810: $output .= '<label><input type="radio" name="choice" value="'.$item.'" '.$checked{$item}.' onclick="toggleEditor('."'$item'".')" />'.
811: $lt{$item}.'</label><br />';
812: }
813: $output .= '</fieldset></div>'."\n".
814: '<div id="url" class="LC_left_float" style="display: '.$display{'url'}.'">'."\n".
815: '<fieldset><legend>'.$lt{'chourl'}.'</legend><span class="LC_nobreak">'."\n".
816: '<a href="javascript:extUrlPreview('."'syllabusurl'".');">'.$lt{'pr'}.'</a></span> '."\n".
817: '<input type="text" id="syllabusurl" name="externalsyllabus" value="'.$external.'" size="55" />'."\n".
818: ' <input type="submit" name="storeurl" value="'.$lt{'save'}.'" />'."\n".
819: '</fieldset></div>'."\n".
820: '<div id="file" class="LC_left_float" style="display: '.$display{'file'}.'"><fieldset><legend>'.$lt{'file'}.'</legend>';
821: if ($uploaded) {
822: my $protocol = $Apache::lonnet::protocol{$lonhost};
823: $protocol = 'http' if ($protocol ne 'https');
824: my $absurl = $protocol.'://'.&Apache::lonnet::hostname($lonhost).$uploaded;
825: my ($filename) = ($uploaded =~ m{([^/]+)$});
826: my $file=&Apache::lonnet::filelocation("",$uploaded);
827: my $depbutton;
828: if ($file =~ /\.html?$/) {
829: my $filecontents=&Apache::lonnet::getfile($file);
830: unless ($filecontents eq -1) {
831: my $mm = new File::MMagic;
832: my $mimetype = $mm->checktype_contents($filecontents);
833: if ($mimetype eq 'text/html') {
834: my (%codebase,%allfiles);
835: my $parse_result = &Apache::lonnet::extract_embedded_items($uploaded,\%allfiles,
836: \%codebase,\$filecontents);
837: my $actionurl = "/public/$cdom/$cnum/syllabus";
838: my ($ignore,$num,$numpathchanges,$existing,$mapping) =
839: &Apache::loncommon::ask_for_embedded_content($actionurl,undef,\%allfiles,
840: \%codebase,
841: {'context' => 'rewrites',
842: 'ignore_remote_references' => 1,});
843: if (keys(%allfiles)) {
844: $depbutton = (' ' x 3).
845: &editfile_button().
846: &editbutton_js($uploaded);
847: }
848: }
849: }
850: }
851:
852: $output .= '<span class="LC_nobreak">'.$lt{'curr'}.' '.
853: '<input type="hidden" name="uploadedfile" value="'.&HTML::Entities::encode($absurl).'?inhibitmenu=yes" id="currfile" />'.
854: '<a href="javascript:extUrlPreview('."'currfile'".');">'.$filename.'</a></span>'.$depbutton.
855: '<br /><br />'.$lt{'rep'};
856: } else {
857: $output .= $lt{'upl'};
858: }
859:
860: $output .= '<br />'."\n".
861: '<span class="LC_nobreak">'.
862: '<input type="file" name="syllabusfile" size="55" />'."\n".
863: ' <input type="submit" name="storefile" value="'.$lt{'save'}.'" />'.
864: '</span><br />'.
865: '<label>'.
866: '<input type="checkbox" name="parserflag" checked="checked" />'.
867: $lt{'parse'}.
868: '</label>'.
869: '</fieldset></div>'.
870: '<div id="templatebox" class="LC_left_float" style="display: '.
871: $display{'templatebox'}.';"><fieldset><legend>'.$lt{'templateboxes'}.
872: ' <input type="button" value="'.&mt('check all').'" '.
873: 'onclick="javascript:checkAll('."document.syllabus.showfield".');javascript:toggleBox('."'all'".');" />'.
874: (' 'x2).
875: '<input type="button" value="'.&mt('uncheck all').'" '.
876: 'onclick="javascript:uncheckAll('."document.syllabus.showfield".');javascript:toggleBox('."'all'".');" />'.
877: '</legend>'.
878: &fields_check_uncheck($fields,$values).
879: '</fieldset>'.
880: '</div>';
881: $output .= '<div style="padding:0;clear:both;margin:0;border:0"></div>'.
882: '</form>';
883: return $output;
884: }
885:
886: sub fields_check_uncheck {
887: my ($fields,$values) = @_;
888: return unless ((ref($fields) eq 'HASH') && (ref($values) eq 'HASH'));
889: my $numinrow = 4;
890: my $table;
891: my @fieldnames = sort(keys(%{$fields}));
892: unshift(@fieldnames,'000_showrssfeeds');
893: my $numfields = scalar(@fieldnames);
894: for (my $i=0; $i<$numfields; $i++) {
895: my $checked;
896: my $name = $fields->{$fieldnames[$i]};
897: if ($fieldnames[$i] eq '000_showrssfeeds') {
898: $name = &mt('RSS Feeds and Blogs');
899: unless ($values->{$fieldnames[$i]} eq 'on') {
900: $checked = ' checked="checked"';
901: }
902: } elsif ($values->{$fieldnames[$i]} ne '') {
903: $checked = ' checked="checked"';
904: }
905: my $rem = $i%($numinrow);
906: if ($rem == 0) {
907: if (($i > 0) && ($i < $numfields-1)) {
908: $table .= '</tr>';
909: }
910: if ($i < $numfields-1) {
911: $table .= '<tr>';
912: }
913: }
914: $table .=
915: '<td><label><input type="checkbox" name="showfield" value="'.$fieldnames[$i].'" '.
916: $checked.' id="showfield_'.$i.'" onclick="javascript:toggleBox('."'$fieldnames[$i]',this".');" />'.
917: $name.'</label></td>'."\n";
918: }
919: if ($table ne '') {
920: my $rem = $numfields%($numinrow);
921: my $colsleft = $numinrow - $rem;
922: if ($colsleft > 1 ) {
923: $table .= '<td colspan="'.$colsleft.'"> </td>';
924: } elsif ($colsleft == 1) {
925: $table .= '<td> </td>';
926: }
927: $table = '<table>'.$table.'</tr></table>';
928: }
929: return $table;
930: }
931:
932: sub process_upload {
933: my ($upload_output,$cnum,$cdom,$allfiles,$codebase) = @_;
934: my ($parseaction,$showupload,$mimetype);
935: my $dest = 'portfolio/syllabus';
936: if ($env{'form.parserflag'}) {
937: $parseaction = 'parse';
938: }
939: my $url=&Apache::lonnet::userfileupload('syllabusfile','syllabus',$dest,
940: $parseaction,$allfiles,
941: $codebase,undef,undef,undef,undef,
942: undef,undef,\$mimetype);
943: if ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E.*/([^/]+)$}) {
944: my $stored = $1;
945: $showupload = '<p>'.&mt('Uploaded [_1]',
946: '<span class="LC_filename">'.$stored.'</span>').
947: '</p>';
948: } else {
949: my ($filename) = ($env{'form.syllabusfile.filename'} =~ m{([^/]+)$});
950: $$upload_output = '<div class="LC_error" id="uploadfileresult">'.
951: &mt('Unable to save file [_1].',
952: '<span class="LC_filename">'.$filename.'</span>').
953: '</div>';
954: return ();
955: }
956: my $needlink;
957: if (($parseaction eq 'parse') && ($mimetype eq 'text/html')) {
958: $$upload_output = $showupload;
959: my $total_embedded = scalar(keys(%{$allfiles}));
960: if ($total_embedded > 0) {
961: my $uploadphase = 'upload_embedded';
962: my $primaryurl = &HTML::Entities::encode($url,'<>&"');
963: my $state = &embedded_form_elems($uploadphase,$primaryurl);
964: my $actionurl = "/public/$cdom/$cnum/syllabus";
965: my ($embedded,$num,$numpathchanges,$existing);
966: ($embedded,$num,$numpathchanges,$existing) =
967: &Apache::loncommon::ask_for_embedded_content($actionurl,$state,
968: $allfiles,$codebase,
969: {'error_on_invalid_names' => 1,
970: 'ignore_remote_references' => 1,});
971: if ($embedded) {
972: $needlink = 1;
973: if ($num) {
974: $$upload_output .=
975: '<p>'.&mt('This file contains embedded multimedia objects, which need to be uploaded.').'</p>'.$embedded;
976: } elsif ($numpathchanges) {
977: $$upload_output .= $embedded;
978: } else {
979: $$upload_output .= $embedded;
980: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
981: $cnum,$cdom,'/userfiles',$url);
982: }
983: } else {
984: $$upload_output .= &mt('Embedded item(s) already present, so no additional upload(s) required').'<br />';
985: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
986: $cnum,$cdom,'/userfiles',$url);
987:
988: }
989: } else {
990: $$upload_output .= &mt('No embedded items identified').'<br />';
991: }
992: $$upload_output = '<div id="uploadfileresult">'.$$upload_output.'</div>';
993: }
994: return ($url,$needlink);
995: }
996:
997: sub embedded_form_elems {
998: my ($phase,$primaryurl) = @_;
999: return <<STATE;
1000: <input type="hidden" name="forceedit" value="1" />
1001: <input type="hidden" name="cmd" value="upload_embedded" />
1002: <input type="hidden" name="phase" value="$phase" />
1003: <input type="hidden" name="primaryurl" value="$primaryurl" />
1004: STATE
1005: }
1006:
1007: sub return_to_editor {
1008: my ($cdom,$cnum) = @_;
1009: my $actionurl = "/public/$cdom/$cnum/syllabus";
1010: return '<p><form name="backtoeditor" method="post" action="'.$actionurl.'" />'.
1011: '<input type="hidden" name="forceedit" value="1" />'."\n".
1012: '<a href="javascript:document.backtoeditor.submit();">'.&mt('Return to Editor').
1013: '</a></p>';
1014: }
1015:
1016: sub editfile_button {
1017: my $buttontext=&mt('Edit');
1018: return <<"END";
1019: <input type="button" value="$buttontext" onclick="javascript:gotoeditor();" />
1020: END
1021: }
1022:
1023: sub editbutton_js {
1024: my ($url) = @_;
1025: return <<ENDJS;
1026: <script type="text/javascript">
1027: // <![CDATA[
1028: function gotoeditor() {
1029: document.location.href = '$url?forceedit=1';
1030: }
1031: // ]]>
1032: </script>
1033: ENDJS
1034: }
1035:
1036: 1;
1037: __END__
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