1: # The LearningOnline Network
2: # Syllabus
3: #
4: # $Id: lonsyllabus.pm,v 1.152 2022/10/27 20:33:31 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29: package Apache::lonsyllabus;
30:
31: use strict;
32: use Apache::lontemplate;
33: use Apache::Constants qw(:common);
34: use Apache::loncommon;
35: use Apache::lonnet;
36: use Apache::lontexconvert;
37: use Apache::lonfeedback;
38: use Apache::lonhtmlgateway;
39: use Apache::lonannounce;
40: use Apache::lonlocal;
41: use Apache::lonhtmlcommon;
42: use Apache::lonspeller();
43: use HTML::Entities();
44:
45: sub handler {
46: my $r = shift;
47: &Apache::loncommon::content_type($r,'text/html');
48: $r->send_http_header;
49: return OK if $r->header_only;
50:
51: my $target=$env{'form.grade_target'};
52: # --------------------------------------------------- Get course info from URL
53: my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
54: # ------------------------------------------------------------ Get query string
55: &Apache::loncommon::get_unprocessed_cgi
56: ($ENV{'QUERY_STRING'},['register','forceedit','todocs',
57: 'folderpath','title','only_body']);
58: # ----------------------------------------------------- Is this even a course?
59: my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom);
60: if ($homeserver eq 'no_host') {
61: &Apache::loncommon::content_type($r,'text/html');
62: $r->send_http_header;
63: &Apache::loncommon::simple_error_page($r,'No syllabus available',
64: 'No syllabus available');
65: return OK;
66: } elsif (!&Apache::lonnet::is_course($cdom,$cnum)) {
67: &Apache::loncommon::content_type($r,'text/html');
68: $r->send_http_header;
69: &Apache::loncommon::simple_error_page($r,'No syllabus available',
70: 'The course/community for which the syllabus was requested does not exist.');
71: return OK;
72: }
73: # ------------------------------------- There is such a course, get environment
74: my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
75: my $crstype = &Apache::loncommon::course_type();
76:
77: # --------------------------------------------------------------- Force Student
78: my ($forceedit,$forcestudent);
79: if ($env{'form.forceedit'}) { $forceedit=1; }
80: if (!$forceedit) {
81: $forcestudent=1;
82: }
83:
84: # --------------------------------------------------------------- Check Privileges
85: my $allowed = 0;
86: if ($env{'user.environment'}) {
87: # does this user have privileges to post, etc?
88: if ($env{'request.course.id'}
89: && $cdom eq $env{'course.'.$env{'request.course.id'}.'.domain'}
90: && $cnum eq $env{'course.'.$env{'request.course.id'}.'.num'}) {
91: $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
92: if ($forcestudent or $target eq 'tex') { $allowed=0; }
93: }
94: }
95:
96: # -------------------------------------------------- Let's see who handles this
97: my $external=$courseenv{'externalsyllabus'};
98: my $uploaded=$courseenv{'uploadedsyllabus'};
99: my $minimal=$courseenv{'minimalsyllabus'};
100:
101: if (($minimal =~/\w/) || ($uploaded =~/\w/)) {
102: my ($item,$is_pdf);
103: if ($minimal =~/\w/) {
104: if ($external =~ m{\Q$minimal\E$}) {
105: undef($external);
106: }
107: $item = $minimal;
108: } elsif ($uploaded =~/\w/) {
109: if ($external =~ m{\Q$uploaded\E$}) {
110: undef($external);
111: }
112: $item = $uploaded;
113: if ($item =~ /\.pdf$/i) {
114: $is_pdf = 1;
115: }
116: }
117: unless ($allowed && $forceedit) {
118: my $file=&Apache::lonnet::filelocation("",$item);
119: if ($file =~ /\.(tex|x?html?)$/) {
120: my $filetype = $1;
121: my $filecontents=&Apache::lonnet::getfile($file);
122: if ($filecontents eq -1) {
123: $r->print(&mt('Syllabus file unavailable'));
124: } elsif ($filetype eq 'tex') {
125: if ($target eq 'tex') {
126: $r->print($filecontents);
127: } else {
128: my $texengine = $env{'form.texengine'};
129: if ($texengine eq '') {
130: $texengine = 'tth';
131: } elsif (lc($texengine) eq 'jsmath') {
132: $texengine = 'MathJax';
133: }
134: my $result = &Apache::lontexconvert::converted(\$filecontents,$texengine);
135: my %args;
136: &get_breadcrumbs($cdom,$cnum,$crstype,\%args);
137: if ($env{'form.only_body'}) {
138: $args{'only_body'} = 1;
139: }
140: if ($env{'request.use_absolute'}) {
141: $args{'use_absolute'} = $env{'request.use_absolute'};
142: }
143: $r->print(&Apache::loncommon::start_page("Syllabus",undef,\%args).
144: $result.
145: &Apache::loncommon::end_page());
146: }
147: } else {
148: my %mystyle;
149: unless ($target eq 'tex') {
150: $target = 'web';
151: }
152: &Apache::structuretags::reset_problem_globals();
153: my $oldfile = $env{'request.filename'};
154: $env{'request.filename'} = $item;
155: my $result = &Apache::lonxml::xmlparse($r,$target,$filecontents,
156: '',%mystyle);
157: &Apache::structuretags::reset_problem_globals();
158: &Apache::lonhomework::finished_parsing();
159: $env{'request.filename'} = $oldfile;
160: &Apache::lonxml::add_messages(\$result);
161: $r->print($result);
162: }
163: } else {
164: if ($target eq 'tex') {
165: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}).
166: ' \strut \\\\ \textbf{'.&mt('Syllabus').'} \strut \\\\ '.
167: &mt('Unsupported file type.').' \strut \\\\ '.
168: &mt('Print the syllabus directly from your web browser').
169: '\end{document}');
170: } else {
171: my $brcrum;
172: if ($env{'form.folderpath'} =~ /^supplemental/) {
173: &Apache::loncommon::validate_folderpath(1,'',$cnum,$cdom);
174: my $title = $env{'form.title'};
175: if ($title eq '') {
176: $title = &mt('Syllabus');
177: }
178: $brcrum =
179: &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
180: }
181: $r->print(&Apache::lonwrapper::wrapper($r,$item,$brcrum,$env{'request.use_absolute'},
182: undef,$is_pdf,undef,'','',&mt('Syllabus')));
183: }
184: }
185: return OK;
186: }
187: } elsif ($external=~/\w/) {
188: unless ($allowed && $forceedit) {
189: if (($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public') &&
190: ($ENV{'SERVER_PORT'} == 443) && ($external =~ m{^http://}) && !($env{'form.usehttp'})) {
191: my $hostname = $r->hostname();
192: unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
193: &redirect_to_http($r);
194: return OK;
195: }
196: }
197: if ($target eq 'tex') {
198: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}).
199: ' \strut \\\\ \textbf{'.&mt('Syllabus').'} \strut \\\\ '.$external.' '.
200: ' \strut \\\\ '.&mt('Print the syllabus directly from your web browser').
201: '\end{document}');
202: } else {
203: my $is_ext = 1;
204: my ($is_pdf,$brcrum);
205: if ($external =~ /\.pdf$/i) {
206: $is_pdf = 1;
207: }
208: if ($env{'form.folderpath'} =~ /^supplemental/) {
209: &Apache::loncommon::validate_folderpath(1,'',$cnum,$cdom);
210: my $title = $env{'form.title'};
211: if ($title eq '') {
212: $title = &mt('Syllabus');
213: }
214: $brcrum =
215: &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
216: }
217: $r->print(&Apache::lonwrapper::wrapper($r,$external,$brcrum,$env{'request.use_absolute'},
218: $is_ext,$is_pdf,undef,'','',&mt('Syllabus')));
219: }
220: return OK;
221: }
222: }
223:
224: # ------------------------------------------------------------ Print the screen
225:
226: if ($target eq 'tex') {
227: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
228: }
229:
230: # ------------------------------ The buck stops here: internal syllabus display
231: # --------------------------------------------------------- The syllabus fields
232: my %syllabusfields=&Apache::lonlocal::texthash(
233: 'aaa_instructorinfo' => 'Instructor Information',
234: 'bbb_description' => 'Course Description',
235: 'ccc_prereq' => 'Prerequisites',
236: 'cdc_classhours' => 'Class Hours',
237: 'ddd_officehours' => 'Office Hours',
238: 'eee_helproom' => 'Helproom Hours',
239: 'efe_projectinfo' => 'Project Information',
240: 'fff_examinfo' => 'Exam Information',
241: 'fgf_deadlines' => 'Deadlines',
242: 'ggg_grading' => 'Grading Information',
243: 'hhh_readings' => 'Readings',
244: 'iii_coursepack' => 'Coursepack',
245: 'jjj_weblinks' => 'Web Links',
246: 'kkk_textbook' => 'Textbook',
247: 'lll_includeurl' => 'URLs To Include in Syllabus');
248: # ---------------------------------------------------------- Load syllabus info
249: my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
250: my ($output,%displayfields,%noshow);
251:
252: # This handler might be called anonymously ...
253: # ----------------------------------------------------- Only if not public call
254: if ($allowed) {
255: if (($env{'form.choice'} =~ /^(template|minimal|url|file)$/) ||
256: ($env{'form.phase'} =~ /^(upload|check)_embedded$/)) {
257: my $earlyout;
258: ($earlyout,$uploaded,$external,$minimal,$output) =
259: &save_changes($cnum,$cdom,$uploaded,$external,$minimal,
260: \%syllabus,\%syllabusfields,\%courseenv);
261: if (($env{'form.choice'} eq 'minimal') &&
262: ($minimal eq "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html")) {
263: delete($env{'form.symb'});
264: delete($env{'request.symb'});
265: $r->internal_redirect("$minimal?editmode=1&forceedit=1");
266: return OK;
267: }
268: if ($earlyout) {
269: if ($target ne 'tex') {
270: &print_header($r,$cnum,$cdom,$crstype,$allowed,$forceedit,
271: \%syllabus,\%syllabusfields);
272: $r->print($output.
273: &Apache::loncommon::end_page());
274: }
275: return OK;
276: }
277: }
278: }
279: if ($target ne 'tex') {
280: &print_header($r,$cnum,$cdom,$crstype,$allowed,$forceedit,\%syllabus,
281: \%syllabusfields);
282: $r->print($output);
283: }
284:
285: # -------------------------------------------- Determine which fields are shown
286:
287: if ($syllabus{'uploaded.fields'}) {
288: if ($syllabus{'uploaded.fields'} eq 'none') {
289: foreach my $field (keys(%syllabusfields)) {
290: $displayfields{$field} = ' style="display:none;"';
291: $noshow{$field} = 1;
292: }
293: } else {
294: my %included;
295: map { $included{$_} = 1; } split(/,/,$syllabus{'uploaded.fields'});
296: foreach my $field (keys(%syllabusfields)) {
297: my ($prefix) = split(/_/,$field);
298: if ($included{$prefix}) {
299: $displayfields{$field} = ' style="display:block;"';
300: } else {
301: $displayfields{$field} = ' style="display:none;"';
302: $noshow{$field} = 1;
303: }
304: }
305: }
306: } else {
307: foreach my $field (keys(%syllabusfields)) {
308: if ($syllabus{$field} ne '') {
309: $displayfields{$field} = ' style="display:block;"';
310: } else {
311: $displayfields{$field} = ' style="display:none;"';
312: }
313: }
314: }
315:
316: if ($allowed) {
317: #---------------------------------- Print External URL Syllabus Info if editing
318: if ($target ne 'tex') {
319: my $link = &Apache::lonnet::url_prefix($r,$cdom,$homeserver,'web').
320: $r->uri;
321: $r->print('<div class="LC_left_float">'
322: .'<span class="LC_help_open_topic LC_info">'
323: .'<span class="LC_info">'
324: .&mt('Public link (no log-in): [_1]','<tt>'.$link.'</tt>')
325: .' </span>'.&Apache::loncommon::help_open_topic('Syllabus_ExtLink')
326: .'</span>'
327: .'</div><div style="padding:0;clear:both;margin:0;border:0"></div>'."\n");
328: my $lonhost = $r->dir_config('lonHostID');
329: $r->print(&chooser($r,$external,$uploaded,$minimal,$cdom,$cnum,$lonhost,
330: \%syllabusfields,\%syllabus));
331: }
332: } else {
333: #--------------------------------------------- Print last update unless editing
334: my $lastmod=$syllabus{'uploaded.lastmodified'};
335: $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
336: my $who;
337: if ($syllabus{'uploaded.lastmodified'}) {
338: if (($env{'user.name'} ne 'public') && ($env{'user.domain'} ne 'public')) {
339: $who = &Apache::loncommon::aboutmewrapper(
340: &Apache::loncommon::plainname($syllabus{'uploaded.name'},
341: $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
342: $syllabus{'uploaded.domain'});
343: } else {
344: # Public user?
345: # Only display name of user, but no link to personal information page
346: $who = &Apache::loncommon::plainname(
347: $syllabus{'uploaded.name'},
348: $syllabus{'uploaded.domain'});
349: }
350: }
351: if ($target ne 'tex') {
352: $r->print('<div class="LC_info">'.&mt('Last updated').': '.
353: $lastmod . ' '.
354: ($who ? &mt('by').' '.$who
355: : '' ) .
356: '</div>' );
357: } else {
358: $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.
359: ($who? &mt('by').'\\\\ '.
360: &Apache::loncommon::plainname($syllabus{'uploaded.name'},$syllabus{'uploaded.domain'})
361: :'')
362: .'\\\\');
363: }
364: }
365:
366: #-------------------------------------------------------------- Print Headtitle
367: if ($target ne 'tex') {
368: my $display = 'block';
369: if ($external || $uploaded || $minimal) {
370: $display = 'none';
371: }
372: $r->print('<div class="LC_Box" id="template" style="display: '.$display.'">'.
373: '<h2 class="LC_hcell">'.$courseenv{'description'}.'</h2>');
374: if ($allowed) {
375: $r->print('<div style="margin: 0; float:left;">'.
376: '<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>'.
377: '</div>');
378: # Print Help Text if editing at right side of screen
379: $r->print('<div style="margin: 0; float:right;">'.
380: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')).
381: '</div><br clear="all" />');
382: } else {
383: $r->print('<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>');
384: }
385: } else {
386: $r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'.
387: &Apache::lonnet::domain($cdom,'description').'}\\\\');
388: }
389: # -------------------------------------------------------- Get course personnel
390: my $hidepersonnel;
391: if (($syllabus{'uploaded.fields'}) &&
392: (($syllabus{'uploaded.fields'} eq 'none') ||
393: ($syllabus{'uploaded.fields'} !~ /000/))) {
394: $hidepersonnel = 1;
395: }
396: if ($target ne 'tex') {
397: if ($allowed) {
398: my $display = ' style="display:block;"';
399: if ($hidepersonnel) {
400: $display = ' style="display:none;"';
401: }
402: &Apache::lontemplate::print_start_template($r,&mt('Personnel'),'LC_Box',
403: 'box_000_showpeople',$display);
404: $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,\%syllabus));
405: &Apache::lontemplate::print_end_template($r);
406: } else {
407: unless ($hidepersonnel) {
408: &Apache::lontemplate::print_start_template($r,&mt('Personnel'),'LC_Box');
409: $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,\%syllabus));
410: &Apache::lontemplate::print_end_template($r);
411: }
412: }
413: } else {
414: unless ($hidepersonnel) {
415: $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,%syllabus));
416: }
417: }
418: # -------------------------------------------------------------- Announcements?
419: my $day = &Apache::lonannounce::showday(time,2,
420: &Apache::lonannounce::readcalendar($cdom.'_'.$cnum));
421: my $hidefeeds;
422: if (($syllabus{'uploaded.fields'}) &&
423: (($syllabus{'uploaded.fields'} eq 'none') ||
424: ($syllabus{'uploaded.fields'} !~ /111/))) {
425: $hidefeeds = 1;
426: }
427: if ($target ne 'tex') {
428: if ($allowed) {
429: my $display = ' style="display:block;"';
430: if ($hidefeeds) {
431: $display = ' style="display:none;"';
432: }
433: &Apache::lontemplate::print_start_template($r,&mt('RSS Feeds and Blogs'),'LC_Box',
434: 'box_111_showrssfeeds',$display);
435: my ($numfeeds,$hiddenfeeds,$rsslinktext);
436: my $feeds=&Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit,\$numfeeds,
437: \$hiddenfeeds);
438: if ($numfeeds) {
439: $r->print($feeds);
440: $rsslinktext = &mt('New RSS Feed or Blog');
441: } else {
442: my $msg = '<br />'.
443: &mt("RSS Feeds and Blogs item is not included in a student's view of the syllabus.");
444: if ($hiddenfeeds) {
445: $r->print('<p class="LC_info">'.
446: &mt('All feeds currently hidden').
447: $msg.
448: '</p>');
449: } else {
450: $r->print('<p class="LC_info">'.
451: &mt('No current feeds').
452: $msg.
453: '</p>');
454: }
455: $rsslinktext = &mt('Manage Course RSS Feeds/Blogs');
456: if ($crstype eq 'Community') {
457: $rsslinktext = &mt('Manage Community RSS Feeds/Blogs');
458: }
459: }
460: my $editurl= &Apache::lonnet::absolute_url().'/adm/'.$cdom.'/'.$cnum.'/_rss.html';
461: $r->print( '<a href="'.$editurl.'">'.$rsslinktext.'</a>');
462: &Apache::lontemplate::print_end_template($r);
463: } else {
464: unless ($hidefeeds) {
465: my $feeds = &Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit);
466: if ($feeds ne '') {
467: &Apache::lontemplate::print_start_template($r,&mt('RSS Feeds and Blogs'),'LC_Box');
468: $r->print($feeds);
469: &Apache::lontemplate::print_end_template($r);
470: }
471: }
472: }
473: } else {
474: $r->print(&Apache::lonxml::xmlparse($r,'tex',$day));
475: }
476: # ---------------------------------------------------------------- Get syllabus
477: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
478: my $url_include_handler = sub {
479: my ($r, $field, $message, $group, $data_ref, $fields_ref, $target, $allowed, $display) = @_;
480: my %data = %{$data_ref};
481: my %fields = %{$fields_ref};
482: my $urls=$message;
483: $message='';
484: foreach my $filelink (split(/\n/,$urls)) {
485: my $output='';
486: # embed style?
487: my ($curfext)=($filelink=~/\.([^\.]+)$/);
488: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
489: if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) {# make ssi call and remove everything but the body contents
490: $output=&Apache::lonnet::ssi_body($filelink);
491: } elsif ($embstyle eq 'img') {# embed as an image
492: $output='<img src="'.$filelink.'" />';
493: }
494: if ($output ne '') {
495: if ($target ne 'tex') {
496: $message.='<p>'.$output.'</p>';
497: } else {
498: $message.=' '.&Apache::lonxml::xmlparse($r,'tex','<p>'.$output.'</p>').' ';
499: }
500: }
501: }
502: if ($allowed) {
503: &Apache::lonfeedback::newline_to_br(\$urls);
504: &Apache::lontemplate::print_start_template($r,$fields{$field}.
505: &Apache::loncommon::help_open_topic('Syllabus_URLs'),'LC_Box',
506: 'box_'.$field,$display);
507: $r->print($urls);
508: $r->print("<br /><div>");
509: &Apache::lontemplate::print_textarea_template($r, $data{$field},
510: $field, Apache::lontemplate->RICH_TEXT_ALWAYS_OFF);
511: &Apache::lontemplate::print_saveall_template($r);
512: $r->print("</div>");
513: &Apache::lontemplate::print_end_template($r);
514:
515: } else {
516: $r->print($message);
517: }
518: };
519: my %custom_hash = ( 'lll_includeurl' => $url_include_handler );
520: &Apache::lontemplate::print_template_fields($r, \%syllabus, \%syllabusfields,
521: $target, $allowed, Apache::lontemplate->RICH_TEXT_DETECT_HTML, \%custom_hash,
522: undef,\%displayfields,\%noshow);
523: if ($allowed) {
524: $r->print('</div></form>'.
525: &Apache::lonhtmlcommon::htmlareaselectactive());
526: }
527: } else {
528: if ($target ne 'tex') {$r->print('<p class="LC_info">');} else {$r->print('\par ');}
529: $r->print(&mt('No syllabus information provided.'));
530: if ($target ne 'tex') {$r->print('</p>');}
531: }
532: if ($target ne 'tex') {
533: if ($env{'form.backto'} eq 'coursecatalog') {
534: $r->print('<form name="backtocat" method="post" action="/adm/coursecatalog">'.
535: &Apache::lonhtmlcommon::echo_form_input(['backto','courseid']).
536: '</form>');
537: }
538: $r->print(&Apache::loncommon::end_page());
539: } else {
540: $r->print('\end{document}');
541: }
542: return OK;
543: }
544:
545: sub print_header {
546: my ($r,$cnum,$cdom,$crstype,$allowed,$forceedit,$syllabus,$syllabusfields) = @_;
547: return unless ((ref($syllabus) eq 'HASH') || (ref($syllabusfields) eq 'HASH'));
548: # ----------------------------------------------------------------- Make header
549: my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
550: my $js;
551: if ($env{'form.backto'} eq 'coursecatalog') {
552: $js .= <<"ENDSCRIPT";
553:
554: <script type="text/javascript">
555: // <![CDATA[
556:
557: function ToCatalog(caller) {
558: numidx = getIndexByName('coursenum');
559: if (numidx > -1) {
560: if (caller != 'details') {
561: document.backtocat.elements[numidx].value = '';
562: }
563: }
564: document.backtocat.submit();
565: }
566:
567: function getIndexByName(item) {
568: for (var i=0;i<document.backtocat.elements.length;i++) {
569: if (document.backtocat.elements[i].name == item) {
570: return i;
571: }
572: }
573: return -1;
574: }
575:
576: // ]]>
577: </script>
578:
579: ENDSCRIPT
580: }
581: if ($allowed && $forceedit) {
582: my $check_uncheck = &Apache::loncommon::check_uncheck_jscript();
583: my @fieldnames = sort(keys(%{$syllabusfields}));
584: unshift(@fieldnames,'000_showpeople','111_showrssfeeds');
585: my (@checked,@unchecked);
586: if ($syllabus->{'uploaded.fields'} eq 'none') {
587: my $lastidx = scalar(@fieldnames)-1;
588: @unchecked = (0..$lastidx);
589: } elsif ($syllabus->{'uploaded.fields'}) {
590: my %included;
591: map { $included{$_} = 1; } split(/,/,$syllabus->{'uploaded.fields'});
592: for (my $i=0; $i<@fieldnames; $i++) {
593: my ($prefix) = split(/_/,$fieldnames[$i]);
594: if ($included{$prefix}) {
595: push(@checked,$i);
596: } else {
597: push(@unchecked,$i);
598: }
599: }
600: } else {
601: @checked = (0,1);
602: for (my $i=2; $i<@fieldnames; $i++) {
603: if ($syllabus->{$fieldnames[$i]}) {
604: push(@checked,$i);
605: } else {
606: push(@unchecked,$i);
607: }
608: }
609: }
610: my $fieldstr = "var fields = new Array('".join("','",@fieldnames)."');";
611: my $checkedstr = "var include = new Array('".join("','",@checked)."');";
612: my $uncheckedstr = "var exclude = new Array('".join("','",@unchecked)."');";
613: my $invurl = &mt('Invalid URL');
614: &js_escape(\$invurl);
615: my $urlregexp = <<'ENDREGEXP';
616: /^([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
617: ENDREGEXP
618:
619: $js .= <<"ENDSCRIPT";
620:
621: <script type="text/javascript">
622: // <![CDATA[
623:
624: function toggleEditor(pick) {
625: var choices = new Array('template','minimal','url','file','templatebox');
626: for (var i=0; i<choices.length; i++) {
627: if (((choices[i] == 'templatebox') && (pick == 'template')) ||
628: (choices[i] == pick)) {
629: document.getElementById(choices[i]).style.display='block';
630: } else {
631: document.getElementById(choices[i]).style.display='none';
632: }
633: }
634: return;
635: }
636:
637: var regexp = $urlregexp;
638:
639: function extUrlPreview(caller,protocol) {
640: if (document.getElementById(caller)) {
641: var url = document.getElementById(caller).value;
642: if (regexp.test(url)) {
643: var http_regex = /^http\:\/\//gi;
644: if ((protocol == 'https') && (http_regex.test(url))) {
645: window.open(url,"syllabuspreview","height=400,width=500,scrollbars=1,resizable=1,menubar=0,location=1");
646: } else {
647: openMyModal(url,500,400,'yes');
648: }
649: } else {
650: alert("$invurl");
651: }
652: }
653: }
654:
655: function toggleBox(name,caller) {
656: if (name == 'all') {
657: if (document.syllabus.showfield.length > 0) {
658: for (var i=0; i<document.syllabus.showfield.length; i++) {
659: if (document.syllabus.showfield[i].checked) {
660: if (document.getElementById('box_'+document.syllabus.showfield[i].value)) {
661: document.getElementById('box_'+document.syllabus.showfield[i].value).style.display='block';
662: }
663: } else {
664: if (document.getElementById('box_'+document.syllabus.showfield[i].value)) {
665: document.getElementById('box_'+document.syllabus.showfield[i].value).style.display='none';
666: }
667: }
668: }
669: }
670: } else {
671: if (caller.checked) {
672: if (document.getElementById('box_'+caller.value)) {
673: document.getElementById('box_'+caller.value).style.display='block';
674: }
675: } else {
676: if (document.getElementById('box_'+caller.value)) {
677: document.getElementById('box_'+caller.value).style.display='none';
678: }
679: }
680: }
681: return;
682: }
683:
684: function setTemplateBoxes() {
685: $fieldstr
686: $checkedstr
687: $uncheckedstr
688: if (include.length > 0) {
689: for (var i=0; i<include.length; i++) {
690: if (document.getElementById('showfield_'+include[i])) {
691: document.getElementById('showfield_'+include[i]).checked = true;
692: if (document.getElementById('box_'+fields[include[i]])) {
693: document.getElementById('box_'+fields[include[i]]).style.display='block';
694: }
695: }
696: }
697: }
698: if (exclude.length > 0) {
699: for (var i=0; i<exclude.length; i++) {
700: if (document.getElementById('showfield_'+exclude[i])) {
701: document.getElementById('showfield_'+exclude[i]).checked = false;
702: if (document.getElementById('box_'+fields[exclude[i]])) {
703: document.getElementById('box_'+fields[exclude[i]]).style.display='none';
704: }
705: }
706: }
707: }
708: return;
709: }
710:
711: $check_uncheck
712:
713: // ]]>
714: </script>
715:
716: ENDSCRIPT
717: }
718: my $args = {'function' => undef,
719: 'domain' => $cdom};
720: my $forcereg;
721: if ($env{'form.register'}) {
722: $forcereg = 1;
723: $args->{'force_register'} = $forcereg;
724: }
725: if ($env{'form.backto'} eq 'coursecatalog') {
726: &Apache::lonhtmlcommon::clear_breadcrumbs();
727: my $brcrum = [{href=>"javascript:ToCatalog();",
728: text=>&mt('Course/Community Catalog'),
729: no_mt=>1}
730: ];
731: if ($env{'form.coursenum'} ne '') {
732: push(@{$brcrum},
733: {href=>"javascript:ToCatalog('details')",
734: text=>"Course details"});
735: }
736: push(@{$brcrum},
737: {href=>$r->uri,
738: text=>"Course syllabus"});
739: $args->{'bread_crumbs'} = $brcrum;
740: } else {
741: &get_breadcrumbs($cdom,$cnum,$crstype,$args);
742: }
743: if ($allowed) {
744: my %loaditem = (
745: onload => 'setTemplateBoxes();',
746: );
747: $args->{'add_entries'} = \%loaditem;
748: } else {
749: if ($env{'request.use_absolute'}) {
750: $args->{'use_absolute'} = $env{'request.use_absolute'};
751: }
752: }
753: if ($env{'form.only_body'}) {
754: $args->{'only_body'} = 1;
755: }
756: $args->{'hostname'} = $r->hostname();
757: my $start_page =
758: &Apache::loncommon::start_page("Syllabus", $rss_link.$js,$args);
759: if ($start_page) {
760: $r->print($start_page);
761: }
762: }
763:
764: sub get_breadcrumbs{
765: my ($cdom,$cnum,$crstype,$args) = @_;
766: return unless (ref($args) eq 'HASH');
767: if ($env{'form.folderpath'} =~ /^supplemental/) {
768: &Apache::loncommon::validate_folderpath(1,'',$cnum,$cdom);
769: my $title = $env{'form.title'};
770: if ($title eq '') {
771: $title = &mt('Syllabus');
772: }
773: my $brcrum =
774: &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
775: if (ref($brcrum) eq 'ARRAY') {
776: $args->{'bread_crumbs'} = $brcrum;
777: }
778: } else {
779: if ((&Apache::lonnet::is_on_map("public/$cdom/$cnum/syllabus"))
780: && (($env{'form.symb'}) || ($env{'form.register'}))) {
781: &Apache::lonhtmlcommon::clear_breadcrumbs();
782: } else {
783: $args->{'bread_crumbs'} = [
784: {'href' => "/public/$cdom/$cnum/syllabus",
785: 'text' => 'Syllabus'},
786: ];
787: }
788: }
789: return;
790: }
791:
792: sub chooser {
793: my ($r,$external,$uploaded,$minimal,$cdom,$cnum,$lonhost,$fields,$values) = @_;
794: my %lt = &Apache::lonlocal::texthash(
795: 'type' => 'Syllabus Type',
796: 'url' => 'External URL',
797: 'file' => 'Uploaded file',
798: 'minimal' => 'Minimal template',
799: 'template' => 'Standard template',
800: 'templateboxes' => 'Choose template items ... ',
801: 'curr' => 'Current:',
802: 'rep' => 'Replace:',
803: 'upl' => 'Upload:',
804: 'pr' => 'Preview',
805: 'save' => 'Save',
806: 'sved' => 'Save and Edit',
807: 'chourl' => 'External URL',
808: 'chofile' => 'Uploaded syllabus file',
809: 'parse' => 'Upload embedded images/multimedia files if HTML file',
810: );
811: my %checked = (
812: file => '',
813: minimal => '',
814: url => '',
815: template => '',
816: );
817: my %display = (
818: file => 'none',
819: minimal => 'none',
820: url => 'none',
821: templatebox => 'none',
822: );
823: my $check = ' checked="checked" ';
824: if ($uploaded) {
825: $checked{'file'} = $check;
826: $display{'file'} = 'block';
827: } elsif ($external) {
828: $checked{'url'} = $check;
829: $display{'url'} = 'block';
830: } elsif ($minimal) {
831: $checked{'minimal'} = $check;
832: $display{'minimal'} = 'block';
833: } else {
834: $checked{'template'} = $check;
835: $checked{'templatebox'} = $check;
836: $display{'templatebox'} = 'block';
837: }
838: my $protocol = ($ENV{'SERVER_PORT'} == 443?'https':'http');
839:
840: my $output =
841: '<form name="syllabus" method="post" enctype="multipart/form-data" action="">'."\n".
842: '<input type="hidden" name="forceedit" value="1" />'."\n".
843: '<div class="LC_left_float"><fieldset><legend>'.$lt{'type'}.'</legend>';
844: foreach my $item ('minimal','template','url','file') {
845: $output .= '<label><input type="radio" name="choice" value="'.$item.'" '.$checked{$item}.' onclick="toggleEditor('."'$item'".')" />'.
846: $lt{$item}.'</label><br />';
847: }
848: $output .= '</fieldset></div>'."\n".
849: '<div id="url" class="LC_left_float" style="display: '.$display{'url'}.'">'."\n".
850: '<fieldset><legend>'.$lt{'chourl'}.'</legend><span class="LC_nobreak">'."\n".
851: '<a href="javascript:extUrlPreview('."'syllabusurl','$protocol'".');">'.$lt{'pr'}.'</a></span> '."\n".
852: '<input type="text" id="syllabusurl" name="externalsyllabus" value="'.$external.'" size="55" />'."\n".
853: ' <input type="submit" name="storeurl" value="'.$lt{'save'}.'" />'."\n".
854: '</fieldset></div>'."\n".
855: '<div id="minimal" class="LC_left_float" style="display: '.$display{'minimal'}.'">'."\n".
856: '<fieldset><legend>'.$lt{'minimal'}.'</legend>';
857: if ($minimal) {
858: my ($absurl,$filename,$depbutton) = &syllabus_file_info($r,$minimal,$cnum,$cdom,$lonhost,'minimal');
859: $output .= '<a href="javascript:extUrlPreview('."'currminimal'".');">'.$lt{'pr'}.'</a>'.
860: '<input type="hidden" name="minimalfile" value="'.&HTML::Entities::encode($absurl).'?inhibitmenu=yes" id="currminimal" />'.
861: $depbutton;
862: } else {
863: $output .= &mt('Title of Syllabus Page:').' '.
864: '<input type="text" id="minimaltitle" name="syllabustitle" value="'.&mt('Syllabus').'" size="30" />'."\n".
865: ' <input type="submit" name="storeminimal" value="'.$lt{'sved'}.'" />'."\n";
866: }
867: $output .= '</fieldset></div>'."\n".
868: '<div id="file" class="LC_left_float" style="display: '.$display{'file'}.'">'."\n".
869: '<fieldset><legend>'.$lt{'file'}.'</legend>';
870: if ($uploaded) {
871: my ($absurl,$filename,$depbutton) = &syllabus_file_info($r,$uploaded,$cnum,$cdom,$lonhost,'file');
872: $output .= '<span class="LC_nobreak">'.$lt{'curr'}.' '.
873: '<input type="hidden" name="uploadedfile" value="'.&HTML::Entities::encode($absurl).'?inhibitmenu=yes" id="currfile" />'.
874: '<a href="javascript:extUrlPreview('."'currfile'".');">'.$filename.'</a></span>'.$depbutton.
875: '<br /><br />'.$lt{'rep'};
876: } else {
877: $output .= $lt{'upl'};
878: }
879: $output .= '<br />'."\n".
880: '<span class="LC_nobreak">'.
881: '<input type="file" name="syllabusfile" size="55" />'."\n".
882: ' <input type="submit" name="storefile" value="'.$lt{'save'}.'" />'.
883: '</span><br />'.
884: '<label>'.
885: '<input type="checkbox" name="parserflag" checked="checked" />'.
886: $lt{'parse'}.
887: '</label>'.
888: '</fieldset></div>'.
889: '<div id="templatebox" class="LC_left_float" style="display: '.
890: $display{'templatebox'}.';"><fieldset><legend>'.$lt{'templateboxes'}.
891: ' <input type="button" value="'.&mt('check all').'" '.
892: 'onclick="javascript:checkAll('."document.syllabus.showfield".');javascript:toggleBox('."'all'".');" />'.
893: (' 'x2).
894: '<input type="button" value="'.&mt('uncheck all').'" '.
895: 'onclick="javascript:uncheckAll('."document.syllabus.showfield".');javascript:toggleBox('."'all'".');" />'.
896: '</legend>'.
897: &fields_check_uncheck($fields,$values).
898: '</fieldset><br />'.
899: '<input type="submit" name="storesyl" value="'.&mt('Save All').'" />'.
900: '</div>';
901: $output .= '<div style="padding:0;clear:both;margin:0;border:0"></div>';
902: return $output;
903: }
904:
905: sub syllabus_file_info {
906: my ($r,$item,$cnum,$cdom,$lonhost,$context) = @_;
907: my $hostname = &Apache::lonnet::hostname($lonhost);
908: my $protocol = $Apache::lonnet::protocol{$lonhost};
909: $protocol = 'http' if ($protocol ne 'https');
910: my $alias = &Apache::lonnet::use_proxy_alias($r,$lonhost);
911: $hostname = $alias if ($alias ne '');
912: my $absurl = $protocol.'://'.$hostname.$item;
913: my ($filename) = ($item =~ m{([^/]+)$});
914: my $file=&Apache::lonnet::filelocation("",$item);
915: my ($depbutton,$filetype,$editable);
916: if ($file =~ /\.(xhtml|xml|tex|html|htm)$/) {
917: $filetype=$1;
918: }
919: if ($filetype) {
920: unless ($filetype eq 'tex') {
921: $filetype='html';
922: }
923: }
924: if ($filetype eq 'html') {
925: my $filecontents=&Apache::lonnet::getfile($file);
926: unless ($filecontents eq -1) {
927: my $mm = new File::MMagic;
928: my $mimetype = $mm->checktype_contents($filecontents);
929: if ($mimetype eq 'text/html') {
930: my (%codebase,%allfiles);
931: my $parse_result = &Apache::lonnet::extract_embedded_items($item,\%allfiles,
932: \%codebase,\$filecontents);
933: my $actionurl = "/public/$cdom/$cnum/syllabus";
934: my ($ignore,$num,$numpathchanges,$existing,$mapping) =
935: &Apache::loncommon::ask_for_embedded_content($actionurl,undef,\%allfiles,
936: \%codebase,
937: {'context' => 'rewrites',
938: 'ignore_remote_references' => 1,});
939: $editable = 1;
940: }
941: }
942: }
943: $depbutton = (' ' x 3).
944: &editfile_button($item,$context,$editable).
945: &editbutton_js();
946: return ($absurl,$filename,$depbutton);
947: }
948:
949: sub fields_check_uncheck {
950: my ($fields,$values) = @_;
951: return unless ((ref($fields) eq 'HASH') && (ref($values) eq 'HASH'));
952: my $numinrow = 4;
953: my $table;
954: my @fieldnames = sort(keys(%{$fields}));
955: unshift(@fieldnames,'000_showpeople','111_showrssfeeds');
956: my $numfields = scalar(@fieldnames);
957: my %included;
958: if (($values->{'uploaded.fields'}) && ($values->{'uploaded.fields'} ne 'none')) {
959: map { $included{$_} = 1; } split(/,/,$values->{'uploaded.fields'});
960: }
961: for (my $i=0; $i<$numfields; $i++) {
962: my ($name,$checked);
963: if ($fieldnames[$i] eq '000_showpeople') {
964: $name = &mt('Personnel');
965: } elsif ($fieldnames[$i] eq '111_showrssfeeds') {
966: $name = &mt('RSS Feeds and Blogs');
967: } else {
968: $name = $fields->{$fieldnames[$i]};
969: }
970: if ($values->{'uploaded.fields'}) {
971: unless ($values->{'uploaded.fields'} eq 'none') {
972: my ($prefix) = split(/_/,$fieldnames[$i]);
973: if ($included{$prefix}) {
974: $checked = ' checked="checked"';
975: }
976: }
977: } else {
978: if ($fieldnames[$i] eq '000_showpeople') {
979: $checked = ' checked="checked"';
980: } elsif ($fieldnames[$i] eq '111_showrssfeeds') {
981: $checked = ' checked="checked"';
982: } else {
983: if ($values->{$fieldnames[$i]} ne '') {
984: $checked = ' checked="checked"';
985: }
986: }
987: }
988: my $rem = $i%($numinrow);
989: if ($rem == 0) {
990: if (($i > 0) && ($i < $numfields)) {
991: $table .= '</tr>';
992: }
993: if ($i < $numfields) {
994: $table .= '<tr>';
995: }
996: }
997: if ($i == $numfields-1) {
998: my $rem = $numfields%($numinrow);
999: my $colsleft = $numinrow - $rem;
1000: if ($colsleft > 1) {
1001: $table .= '<td colspan="'.$colsleft.'">';
1002: } else {
1003: $table .= '</td>';
1004: }
1005: } else {
1006: $table .= '<td>';
1007: }
1008: $table .=
1009: '<label><input type="checkbox" name="showfield" value="'.$fieldnames[$i].'" '.
1010: $checked.' id="showfield_'.$i.'" onclick="javascript:toggleBox('."'$fieldnames[$i]',this".');" />'.
1011: $name.'</label></td>'."\n";
1012: }
1013: if ($table ne '') {
1014: my $rem = $numfields%($numinrow);
1015: my $colsleft = $numinrow - $rem;
1016: if ($colsleft > 1 ) {
1017: $table .= '<td colspan="'.$colsleft.'"> </td>';
1018: } elsif ($colsleft == 1) {
1019: $table .= '<td> </td>';
1020: }
1021: $table = '<table>'.$table.'</tr></table>';
1022: }
1023: return $table;
1024: }
1025:
1026: sub get_personnel {
1027: my ($r,$target,$cdom,$cnum,$allowed,$crstype,$syllabus) = @_;
1028: my (%hiddenroles,%hiddenusers);
1029: if (ref($syllabus) eq 'HASH') {
1030: if (ref($syllabus->{'personnel'}) eq 'HASH') {
1031: if ($syllabus->{'personnel'}{'hiderole'}) {
1032: map { $hiddenroles{$_} = 1; } split(/,/,$syllabus->{'personnel'}{'hiderole'});
1033: }
1034: if ($syllabus->{'personnel'}{'hideuser'}) {
1035: map { $hiddenusers{$_} = 1; } split(/,/,$syllabus->{'personnel'}{'hideuser'});
1036: }
1037: }
1038: }
1039: my $output;
1040: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum,1);
1041: if ($target ne 'tex') {
1042: if ($allowed) {
1043: $r->print(&Apache::loncommon::start_data_table().
1044: &Apache::loncommon::start_data_table_header_row().
1045: '<th>'.&mt('Role hidden?').'</th><th>'.&mt('Role').'</th>'.
1046: '<th>'.&mt('Personnel (hidden if checked)').'</th>'.
1047: &Apache::loncommon::end_data_table_header_row());
1048: } else {
1049: $r->print(&Apache::lonhtmlcommon::start_pick_box());
1050: }
1051: } else {
1052: $r->print('\begin{tabular}{|p{0.45\textwidth}|p{0.45\textwidth}|}\hline');
1053: }
1054: my @personnel=sort(keys(%coursepersonnel));
1055: my $lastpers=$personnel[$#personnel];
1056: foreach my $element (@personnel) {
1057: unless ($allowed) {
1058: next if ($hiddenroles{$element})
1059: }
1060: my ($role,$sec);
1061: if ($element =~ /:/) {
1062: ($role,$sec) = split(/:/,$element);
1063: } else {
1064: $role = $element;
1065: }
1066: my $roletext = &Apache::lonnet::plaintext($role,$crstype);
1067: if ($sec) {
1068: $roletext .=' ('.&Apache::lonlocal::mt('Section [_1]',$sec).')';
1069: }
1070: if ($target ne 'tex') {
1071: if ($allowed) {
1072: my $checked;
1073: if ($hiddenroles{$element}) {
1074: $checked = ' checked="checked"';
1075: }
1076: $r->print(&Apache::loncommon::start_data_table_row().
1077: '<td>'.
1078: '<input type="checkbox" name="hiderole" value="'.$element.'" '.
1079: $checked.' />'.
1080: '</td><td>'.$roletext.'</td><td>');
1081: } else {
1082: $r->print(&Apache::lonhtmlcommon::row_title($roletext));
1083: }
1084: } else {
1085: $r->print(' '.&Apache::lonxml::xmlparse($r,'tex',$roletext).' & ');
1086: }
1087: my @coursepersonlist;
1088: foreach my $user (split(/\,/,$coursepersonnel{$element})) {
1089: my ($puname,$pudom)=split(/\:/,$user);
1090: if ($target ne 'tex') {
1091: my $courseperson = &Apache::loncommon::plainname($puname,$pudom);
1092: my $checked;
1093: if ($hiddenusers{$element.'&'.$puname.':'.$pudom}) {
1094: $checked = ' checked="checked"';
1095: }
1096: if ($allowed) {
1097: my $item = '<span class="LC_nobreak"><label>'.
1098: '<input type="checkbox" name="hideuser" value="'.$element.'&'.$puname.':'.$pudom.'"'.$checked.' />'.
1099: &Apache::loncommon::aboutmewrapper($courseperson
1100: ,
1101: $puname,$pudom).
1102: '</label>'.(' 'x2).'</span> ';
1103: push(@coursepersonlist,$item);
1104:
1105: } else {
1106: next if ($hiddenusers{$element.'&'.$puname.':'.$pudom});
1107: if (($env{'user.name'} eq '') || ($env{'user.name'} eq 'public') ||
1108: ($env{'user.domain'} eq '') || ($env{'user.domain'} eq 'public')) {
1109: push(@coursepersonlist,$courseperson);
1110: } else {
1111: push(@coursepersonlist,&Apache::loncommon::aboutmewrapper($courseperson,
1112: $puname,$pudom));
1113: }
1114: }
1115: } else {
1116: push(@coursepersonlist,&Apache::loncommon::plainname($puname,
1117: $pudom).' ');
1118: }
1119: }
1120: if ($allowed) {
1121: $r->print(join('',@coursepersonlist));
1122: } else {
1123: $r->print(join(', ',@coursepersonlist));
1124: }
1125: if ($target ne 'tex') {
1126: if ($allowed) {
1127: $r->print('</td>'.&Apache::loncommon::end_data_table_row());
1128: } else {
1129: my $lastclose=$element eq $lastpers?1:0;
1130: $r->print(&Apache::lonhtmlcommon::row_closure($lastclose));
1131: }
1132: } else {
1133: $r->print('\\\\ \hline');
1134: }
1135: }
1136: if ($target ne 'tex') {
1137: if ($allowed) {
1138: $r->print(&Apache::loncommon::end_data_table());
1139: } else {
1140: $r->print(&Apache::lonhtmlcommon::end_pick_box());
1141: }
1142: } else {
1143: $r->print('\end{tabular}\\\\');
1144: }
1145: return;
1146: }
1147:
1148: sub save_changes {
1149: my ($cnum,$cdom,$uploaded,$external,$minimal,$syllabus,$syllabusfields,$courseenv) = @_;
1150: my ($earlyout,$output);
1151: unless ((ref($syllabus) eq 'HASH') && (ref($syllabusfields) eq 'HASH') ||
1152: (ref($courseenv) eq 'HASH')) {
1153: return ($earlyout,$uploaded,$external,$minimal,$output);
1154: }
1155: my ($was_ext,$is_ext,$putres);
1156: if ($external) {
1157: $was_ext = $external;
1158: }
1159: if (($env{'form.deleteuploaded_file'}) || ($env{'form.deleteuploaded_minimal'})) {
1160: my %storehash;
1161: if (($env{'form.choice'} eq 'file') &&
1162: ($env{'form.deleteuploaded_file'}) && ($uploaded =~ /\w/)) {
1163: if ($courseenv->{'uploadedsyllabus'} =~ m{^\Q/uploaded/$cdom/$cnum/portfolio\E(/syllabus/.+)$}) {
1164: my $filename = $1;
1165: &update_access_permissions($cdom,$cnum,$filename);
1166: }
1167: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.uploadedsyllabus');
1168: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.externalsyllabus');
1169: $storehash{'uploadedsyllabus'} = '';
1170: $storehash{'externalsyllabus'} = '';
1171: $putres = &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1172: undef($uploaded);
1173: undef($external);
1174: } elsif (($env{'form.choice'} eq 'minimal') &&
1175: ($env{'form.deleteuploaded_minimal'}) && ($minimal =~ /\w/)) {
1176: my $minimalurl = "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html";
1177: if ($courseenv->{'minimalsyllabus'} eq "$minimalurl") {
1178: my $filecontents=&Apache::lonnet::getfile(&Apache::lonnet::filelocation("",$minimalurl));
1179: unless ($filecontents eq -1) {
1180: $env{'form.output'} = $filecontents;
1181: &Apache::lonnet::finishuserfileupload($cnum,$cdom,'output',
1182: 'portfolio/syllabus/loncapa.html.bak');
1183: $minimalurl = &default_minimal_syllabus($cnum,$cdom);
1184: }
1185: }
1186: &update_access_permissions($cdom,$cnum,'/syllabus/loncapa.html');
1187: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.externalsyllabus');
1188: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.minimalsyllabus');
1189: $storehash{'externalsyllabus'} = '';
1190: $storehash{'minimalsyllabus'} = '';
1191: $putres = &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1192: undef($external);
1193: undef($minimal);
1194: }
1195: } elsif ($env{'form.choice'} eq 'template') {
1196: #store what the user typed in to the template
1197: my @shown = &Apache::loncommon::get_env_multiple('form.showfield');
1198: $syllabus->{'uploaded.fields'} = '';
1199: if (@shown == 0) {
1200: $syllabus->{'uploaded.fields'} = 'none';
1201: } else {
1202: foreach my $field (sort(@shown)) {
1203: if (($field eq '000_showpeople') ||
1204: ($field eq '111_showrssfeeds') ||
1205: ($syllabusfields->{$field})) {
1206: my ($prefix) = split(/_/,$field);
1207: $syllabus->{'uploaded.fields'} .= $prefix.',';
1208: }
1209: if ($field eq '000_showpeople') {
1210: my @hideusers = &Apache::loncommon::get_env_multiple('form.hideuser');
1211: my @hideroles = &Apache::loncommon::get_env_multiple('form.hiderole');
1212: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum,1);
1213: my %personnel;
1214: foreach my $key (keys(%coursepersonnel)) {
1215: map { $personnel{$key}{$_} = 1; } split(/,/,$coursepersonnel{$key});
1216: }
1217: %{$syllabus->{'personnel'}} = ();
1218: $syllabus->{'personnel'}{'hideuser'} = '';
1219: $syllabus->{'personnel'}{'hiderole'} = '';
1220: foreach my $role (@hideroles) {
1221: if (exists($personnel{$role})) {
1222: $syllabus->{'personnel'}{'hiderole'} .= $role.',';
1223: }
1224: }
1225: foreach my $item (@hideusers) {
1226: my ($role,$user) = split(/\&/,$item);
1227: if (ref($personnel{$role}) eq 'HASH') {
1228: if ($personnel{$role}{$user}) {
1229: $syllabus->{'personnel'}{'hideuser'} .= $item.',';
1230: }
1231: }
1232: }
1233: $syllabus->{'personnel'}{'hideuser'} =~ s/,$//;
1234: $syllabus->{'personnel'}{'hiderole'} =~ s/,$//;
1235: }
1236: }
1237: $syllabus->{'uploaded.fields'} =~ s/,$//;
1238: }
1239: foreach my $syl_field (keys(%{$syllabusfields})) {
1240: my $field=$env{'form.'.$syl_field};
1241: chomp($field);
1242: my $gateway = Apache::lonhtmlgateway->new();
1243: $field = $gateway->process_incoming_html($field,1);
1244: #here it will be stored
1245: $syllabus->{$syl_field}=$field;
1246: if ($syl_field eq 'lll_includeurl') { # clean up included URLs
1247: my $field='';
1248: foreach my $value (split(/\n/,$syllabus->{$syl_field})) {
1249: my $url=$value;
1250: # get rid of leading and trailing spaces
1251: $url=~s/^\s+//;
1252: $url=~s/\s+$//;
1253: if ($url=~m|^https?\://([^/]+)/(.+)$|) {
1254: my $host = $1;
1255: my $remainder=$2;
1256: # remove the hostname from internal URLs
1257: my $hostname = &Apache::lonnet::hostname($host);
1258: my %all_hostnames = &Apache::lonnet::all_hostnames();
1259: foreach my $possible_host (keys(%all_hostnames)) {
1260: if ($possible_host =~ /\Q$hostname\E/i) {
1261: $url=$remainder;
1262: }
1263: }
1264: }
1265: # norm internal URLs
1266: unless ($url=~/^https?\:/) {
1267: $url=&Apache::lonnet::clutter($url);
1268: }
1269: # re-assemble field
1270: if ($url) {
1271: $field.=$url."\n";
1272: }
1273: }
1274: $syllabus->{$syl_field}=$field;
1275: }
1276: }
1277: my $now = time;
1278: $syllabus->{'uploaded.domain'}=$env{'user.domain'};
1279: $syllabus->{'uploaded.name'}=$env{'user.name'};
1280: $syllabus->{'uploaded.lastmodified'} = $now;
1281: $putres = &Apache::lonnet::put('syllabus',$syllabus,$cdom,$cnum);
1282: if ($putres eq 'ok') {
1283: ($uploaded,$minimal,$external) =
1284: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1285: $minimal,$external);
1286: $output = '<div>'.
1287: &Apache::lonhtmlcommon::confirm_success(&mt('Template saved.')).
1288: '</div>';
1289: } else {
1290: $output = '<div class="LC_error">'.
1291: &mt('An error occurred storing the template: [_1]',$putres).
1292: '</div>';
1293: }
1294: } elsif ($env{'form.choice'} eq 'url') {
1295: if ($env{'form.externalsyllabus'} =~ m{^https?://}) {
1296: if ($env{'form.externalsyllabus'} eq $external) {
1297: $output = '<div class="LC_info">'.
1298: &mt('External URL unchanged.').
1299: '</div>';
1300: ($uploaded,$minimal,$external) =
1301: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1302: $minimal,$external);
1303: } else {
1304: $external=$env{'form.externalsyllabus'};
1305: $external =~ s/(`)//g;
1306: $putres =
1307: &Apache::lonnet::put('environment',{externalsyllabus=>$external},
1308: $cdom,$cnum);
1309: if ($putres eq 'ok') {
1310: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.externalsyllabus' => $external});
1311: $output = '<div>'.
1312: &Apache::lonhtmlcommon::confirm_success(&mt('External URL saved.')).
1313: '</div>';
1314: ($uploaded,$minimal,$external) =
1315: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1316: $minimal,$external);
1317: } else {
1318: $output = '<div class="LC_error">'.
1319: &mt('An error occurred storing the external URL: [_1]',$putres).
1320: '</div>';
1321: }
1322: }
1323: $is_ext = $external;
1324: } else {
1325: $output = '<div class="LC_error">'.
1326: &mt('External URL not saved -- invalid URL.').
1327: '</div>';
1328: }
1329: } elsif (($env{'form.choice'} eq 'file') || ($env{'form.choice'} eq 'minimal')) {
1330: # Process file upload - phase one - upload and parse primary file.
1331: my ($upload_result,$uploadphase,$url,$needlink,$error,$errormsg);
1332: if ($env{'form.choice'} eq 'file') {
1333: if ($env{'form.syllabusfile.filename'}) {
1334: my %allfiles = ();
1335: my %codebase = ();
1336: ($url,$needlink) = &process_upload(\$output,$cnum,$cdom,
1337: \%allfiles,\%codebase);
1338: } else {
1339: $output = '<div class="LC_info">'.
1340: &mt('No file uploaded').
1341: '</div>';
1342: }
1343: } elsif ($env{'form.choice'} eq 'minimal') {
1344: $url = "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html";
1345: my $filecontents=&Apache::lonnet::getfile(&Apache::lonnet::filelocation("",$url));
1346: if ($filecontents eq -1) {
1347: $url = &default_minimal_syllabus($cnum,$cdom);
1348: }
1349: }
1350: if ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E.*/[^/]+$}) {
1351: my $exturl = &home_http_host($cdom,$cnum);
1352: if ($exturl) {
1353: $exturl .= $url;
1354: }
1355: my %storehash;
1356: if ($env{'form.choice'} eq 'minimal') {
1357: $storehash{'minimalsyllabus'} = $url;
1358: } else {
1359: $storehash{'uploadedsyllabus'} = $url;
1360: }
1361: if ($exturl) {
1362: $storehash{'externalsyllabus'} = $exturl;
1363: if ($exturl =~ /\.(html?|txt|js|css)$/) {
1364: $exturl .= '?inhibitmenu=yes';
1365: }
1366: } else {
1367: $storehash{'externalsyllabus'} = '',
1368: }
1369: $putres =
1370: &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1371: if ($putres eq 'ok') {
1372: &Apache::lonnet::make_public_indefinitely($url);
1373: foreach my $key (keys(%storehash)) {
1374: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.'.$key => $storehash{$key}});
1375: }
1376: if ($env{'form.choice'} eq 'minimal') {
1377: $minimal = $url;
1378: } else {
1379: $uploaded = $url;
1380: }
1381: if ($needlink) {
1382: $output .= &return_to_editor($cdom,$cnum);
1383: $earlyout = 1;
1384: }
1385: ($uploaded,$minimal,$external) =
1386: &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded,
1387: $minimal,$external);
1388: } else {
1389: $error = 1;
1390: $errormsg = $putres;
1391: }
1392: } else {
1393: $error = 1;
1394: }
1395: if ($error) {
1396: $output = '<div class="LC_error">';
1397: if ($env{'form.choice'} eq 'minimal') {
1398: $output = &mt('An error occurred creating the minimal template file [_1]',$errormsg);
1399: } else {
1400: $output = &mt('An error occurred storing the uploaded file [_1]',$errormsg);
1401: }
1402: $output .= '</div>';
1403: }
1404: } elsif ($env{'form.phase'} eq 'upload_embedded') {
1405: # Process file upload - phase two - upload embedded objects
1406: my $uploadphase = 'check_embedded';
1407: my $primaryurl = &HTML::Entities::encode($env{'form.primaryurl'},'<>&"');
1408: my $state = &embedded_form_elems($uploadphase,$primaryurl);
1409: my $url_root = '/uploaded/'.$cdom.'/'.$cnum;
1410: my $actionurl = "/public/$cdom/$cnum/syllabus";
1411: my ($result,$flag,$numpathchgs) =
1412: &Apache::loncommon::upload_embedded('syllabus','portfolio/syllabus',
1413: $cnum,$cdom,'/userfiles',$url_root,undef,undef,undef,$state,
1414: $actionurl);
1415: unless ($numpathchgs) {
1416: my $modres =
1417: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1418: $cnum,$cdom,
1419: '/userfiles',$env{'form.primaryurl'});
1420: $result .= $modres;
1421: }
1422: $output = $result.&return_to_editor($cdom,$cnum);
1423: $earlyout = 1;
1424: } elsif ($env{'form.phase'} eq 'check_embedded') {
1425: # Process file upload - phase three - modify references in HTML file
1426: my $uploadphase = 'modified_orightml';
1427: my $result =
1428: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1429: $cnum,$cdom,
1430: '/userfiles',$env{'form.primaryurl'});
1431: $output = $result.&return_to_editor($cdom,$cnum);
1432: $earlyout = 1;
1433: }
1434: if ($putres eq 'ok') {
1435: if ((($is_ext) && ($is_ext ne $was_ext)) || ($was_ext)) {
1436: my $chome = &Apache::lonnet::homeserver($cnum,$cdom);
1437: unless ($chome eq 'no_host') {
1438: my %crsinfo = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,undef,undef,'.');
1439: if (ref($crsinfo{$cdom.'_'.$cnum}) eq 'HASH') {
1440: if ($external =~ m{^http://}) {
1441: $crsinfo{$cdom.'_'.$cnum}{'extsyllplain'} = 1;
1442: } elsif ($crsinfo{$cdom.'_'.$cnum}{'extsyllplain'}) {
1443: delete($crsinfo{$cdom.'_'.$cnum}{'extsyllplain'});
1444: }
1445: &Apache::lonnet::courseidput($cdom,\%crsinfo,$chome,'notime');
1446: }
1447: }
1448: }
1449: }
1450: return ($earlyout,$uploaded,$external,$minimal,$output);
1451: }
1452:
1453: sub default_minimal_syllabus {
1454: my ($cnum,$cdom) = @_;
1455: my $title;
1456: if ($env{'form.syllabustitle'}) {
1457: $title = $env{'form.syllabustitle'};
1458: $title =~ s{`}{}g;
1459: $title=~s/^\s+//;
1460: $title=~s/\s+$//;
1461: }
1462: if ($title eq '') {
1463: $title = &mt('Syllabus');
1464: }
1465: my $initialtext = &mt('Replace with your own content.');
1466: my $newhtml = <<END;
1467: <html>
1468: <head>
1469: <title>$title</title>
1470: </head>
1471: <body bgcolor="#ffffff">
1472: <h2>$title</h2>
1473: $initialtext
1474: </body>
1475: </html>
1476: END
1477: $env{'form.output'}=$newhtml;
1478: return &Apache::lonnet::finishuserfileupload($cnum,$cdom,'output',
1479: 'portfolio/syllabus/loncapa.html');
1480: }
1481:
1482: sub update_syllabus_env {
1483: my ($cdom,$cnum,$courseenv,$saved,$uploaded,$minimal,$external) = @_;
1484: return ($uploaded,$minimal,$external) unless(ref($courseenv) eq 'HASH');
1485: my $now = time;
1486: my (@envkeys,%storehash);
1487: if ($saved eq 'template') {
1488: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1489: push(@envkeys,'uploaded');
1490: }
1491: if ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1492: push(@envkeys,'minimal');
1493: }
1494: if ($external || $env{'course.'.$env{'request.course.id'}.'.externalsyllabus'}) {
1495: push(@envkeys,'external');
1496: }
1497: $storehash{'updatedsyllabus'} = $now;
1498: &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.updatedsyllabus' => $now
1499: });
1500: } elsif ($saved eq 'url') {
1501: my $prefix = &home_http_host($cdom,$cnum);
1502: if ($external =~ m{^\Q$prefix/uploaded/$cdom/$cnum/portfolio/syllabus/\E(.+)$}) {
1503: my $file = $1;
1504: if ($file eq 'loncapa.html') {
1505: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1506: push(@envkeys,'uploaded');
1507: }
1508: } elsif ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1509: push(@envkeys,'minimal');
1510: }
1511: } else {
1512: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1513: push(@envkeys,'uploaded');
1514: }
1515: if ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1516: push(@envkeys,'minimal');
1517: }
1518: }
1519: } elsif ($saved eq 'file') {
1520: if ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) {
1521: push(@envkeys,'minimal');
1522: }
1523: } elsif ($saved eq 'minimal') {
1524: if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) {
1525: push(@envkeys,'uploaded');
1526: }
1527: }
1528: if (@envkeys > 0) {
1529: foreach my $item (@envkeys) {
1530: my $key = $item.'syllabus';
1531: if ($courseenv->{$key} ne '') {
1532: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.'.$key);
1533: if ($item eq 'minimal') {
1534: &update_access_permissions($cdom,$cnum,'/syllabus/loncapa.html');
1535: } elsif ($item eq 'uploaded') {
1536: if ($courseenv->{$key} =~ m{^\Q/uploaded/$cdom/$cnum/portfolio\E(/syllabus/.+)$}) {
1537: my $filename = $1;
1538: &update_access_permissions($cdom,$cnum,$filename);
1539: }
1540: }
1541: $storehash{$key} = '';
1542: } elsif ($env{'course.'.$env{'request.course.id'}.'.'.$key} ne '') {
1543: &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.'.$key);
1544: }
1545: if ($item eq 'uploaded') {
1546: undef($uploaded);
1547: }
1548: if ($item eq 'external') {
1549: undef($external);
1550: }
1551: if ($item eq 'minimal') {
1552: undef($minimal);
1553: }
1554: }
1555: }
1556: if (keys(%storehash) > 0) {
1557: &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
1558: }
1559: return ($uploaded,$minimal,$external);
1560: }
1561:
1562: sub update_access_permissions {
1563: my ($cdom,$cnum,$file_name) = @_;
1564: my $current_permissions = &Apache::lonnet::get_portfile_permissions($cdom,$cnum);
1565: my %access_controls =
1566: &Apache::lonnet::get_access_controls($current_permissions,'',$file_name);
1567: if (keys(%access_controls) > 0) {
1568: my %changes;
1569: foreach my $key (keys(%{$access_controls{$file_name}})) {
1570: $changes{'delete'}{$key} = 1;
1571: }
1572: if (keys(%changes) > 0) {
1573: my ($outcome,$deloutcome,$new_values,$translation) =
1574: &Apache::lonnet::modify_access_controls($file_name,\%changes,
1575: $cdom,$cnum);
1576: }
1577: }
1578: return;
1579: }
1580:
1581: sub home_http_host {
1582: my ($cdom,$cnum) = @_;
1583: my $home=&Apache::lonnet::homeserver($cnum,$cdom);
1584: if ($home ne 'no_host') {
1585: my $hostname = &Apache::lonnet::hostname($home);
1586: my $protocol = $Apache::lonnet::protocol{$home};
1587: $protocol = 'http' if ($protocol ne 'https');
1588: return $protocol.'://'.$hostname;
1589: }
1590: return;
1591: }
1592:
1593: sub process_upload {
1594: my ($upload_output,$cnum,$cdom,$allfiles,$codebase) = @_;
1595: my ($parseaction,$showupload,$mimetype);
1596: my $dest = 'portfolio/syllabus';
1597: if ($env{'form.parserflag'}) {
1598: $parseaction = 'parse';
1599: }
1600: my $url=&Apache::lonnet::userfileupload('syllabusfile','syllabus',$dest,
1601: $parseaction,$allfiles,
1602: $codebase,undef,undef,undef,undef,
1603: undef,undef,\$mimetype);
1604: if ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E.*/([^/]+)$}) {
1605: my $stored = $1;
1606: $showupload = '<p>'.&mt('Uploaded [_1]',
1607: '<span class="LC_filename">'.$stored.'</span>').
1608: '</p>';
1609: } else {
1610: my ($filename) = ($env{'form.syllabusfile.filename'} =~ m{([^/]+)$});
1611: $$upload_output = '<div class="LC_error" id="uploadfileresult">'.
1612: &mt('Unable to save file [_1].',
1613: '<span class="LC_filename">'.$filename.'</span>').
1614: '</div>';
1615: return ();
1616: }
1617: my $needlink;
1618: if (($parseaction eq 'parse') && ($mimetype eq 'text/html')) {
1619: $$upload_output = $showupload;
1620: my $total_embedded = scalar(keys(%{$allfiles}));
1621: if ($total_embedded > 0) {
1622: my $uploadphase = 'upload_embedded';
1623: my $primaryurl = &HTML::Entities::encode($url,'<>&"');
1624: my $state = &embedded_form_elems($uploadphase,$primaryurl);
1625: my $actionurl = "/public/$cdom/$cnum/syllabus";
1626: my ($embedded,$num,$numpathchanges,$existing);
1627: ($embedded,$num,$numpathchanges,$existing) =
1628: &Apache::loncommon::ask_for_embedded_content($actionurl,$state,
1629: $allfiles,$codebase,
1630: {'error_on_invalid_names' => 1,
1631: 'ignore_remote_references' => 1,});
1632: if ($embedded) {
1633: $needlink = 1;
1634: if ($num) {
1635: $$upload_output .=
1636: '<p>'.&mt('This file contains embedded multimedia objects, which need to be uploaded.').'</p>'.$embedded;
1637: } elsif ($numpathchanges) {
1638: $$upload_output .= $embedded;
1639: } else {
1640: $$upload_output .= $embedded;
1641: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1642: $cnum,$cdom,'/userfiles',$url);
1643: }
1644: } else {
1645: $$upload_output .= &mt('Embedded item(s) already present, so no additional upload(s) required').'<br />';
1646: &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus',
1647: $cnum,$cdom,'/userfiles',$url);
1648:
1649: }
1650: } else {
1651: $$upload_output .= &mt('No embedded items identified').'<br />';
1652: }
1653: $$upload_output = '<div id="uploadfileresult">'.$$upload_output.'</div>';
1654: }
1655: return ($url,$needlink);
1656: }
1657:
1658: sub embedded_form_elems {
1659: my ($phase,$primaryurl) = @_;
1660: return <<STATE;
1661: <input type="hidden" name="forceedit" value="1" />
1662: <input type="hidden" name="cmd" value="upload_embedded" />
1663: <input type="hidden" name="phase" value="$phase" />
1664: <input type="hidden" name="primaryurl" value="$primaryurl" />
1665: STATE
1666: }
1667:
1668: sub return_to_editor {
1669: my ($cdom,$cnum) = @_;
1670: my $actionurl = "/public/$cdom/$cnum/syllabus";
1671: return '<p><form name="backtoeditor" method="post" action="'.$actionurl.'" />'.
1672: '<input type="hidden" name="forceedit" value="1" />'."\n".
1673: '<a href="javascript:document.backtoeditor.submit();">'.&mt('Return to Editor').
1674: '</a></p>';
1675: }
1676:
1677: sub editfile_button {
1678: my ($url,$context,$editable) = @_;
1679: my $edittext=&mt('Edit');
1680: my $deltext=&mt('Delete');
1681: my $output;
1682: if ($editable) {
1683: $output = '
1684: <input type="button" value="'.$edittext.'" onclick="javascript:gotoeditor('."'$url'".');" name="edit_'.$context.'" />
1685: ';
1686: }
1687: $output .= '
1688: <input type="button" value="'.$deltext.'" onclick="javascript:dodelete('."'$context'".');" name="del_'.$context.'" />
1689: <input type="hidden" value="" name="deleteuploaded_'.$context.'" id="deleteuploaded_'.$context.'" />
1690: ';
1691: return $output;
1692: }
1693:
1694: sub editbutton_js {
1695: my %js_lt = &Apache::lonlocal::texthash(
1696: min => 'Are you sure you want to delete the contents of the syllabus template?',
1697: file => 'Are you sure you want to delete the uploaded syllabus file?',
1698: noundo => 'This action cannot be reversed.'
1699: );
1700: &js_escape(\%js_lt);
1701: return <<ENDJS;
1702: <script type="text/javascript">
1703: // <![CDATA[
1704: function gotoeditor(url) {
1705: document.location.href = url+'?editmode=1&forceedit=1';
1706: }
1707: function dodelete(caller,url) {
1708: if (document.getElementById('deleteuploaded_'+caller)) {
1709: document.getElementById('deleteuploaded_'+caller).value=1;
1710: if (caller == 'minimal') {
1711: if (confirm("$js_lt{'min'}"+"\\n"+"$js_lt{'noundo'}")) {
1712: document.syllabus.submit();
1713: }
1714: }
1715: if (caller == 'file') {
1716: if (confirm("$js_lt{'file'}"+"\\n"+"$js_lt{'noundo'}")) {
1717: document.syllabus.submit();
1718: }
1719: }
1720: }
1721: return;
1722: }
1723: // ]]>
1724: </script>
1725: ENDJS
1726: }
1727:
1728: sub redirect_to_http {
1729: my ($r) = @_;
1730: &Apache::loncommon::content_type($r,'text/html');
1731: &Apache::loncommon::no_cache($r);
1732: $r->send_http_header;
1733: my $url = 'http://'.$r->hostname().$r->uri().'?usehttp=1';
1734: $r->print(&Apache::loncommon::start_page(undef,undef,
1735: {'redirect' => [0,$url],}).
1736: &Apache::loncommon::end_page());
1737: return;
1738: }
1739:
1740: 1;
1741: __END__
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