1: # The LearningOnline Network with CAPA
2: # a pile of common html routines
3: #
4: # $Id: lonhtmlcommon.pm,v 1.333 2012/11/29 20:13:43 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: ######################################################################
30:
31: =pod
32:
33: =head1 NAME
34:
35: Apache::lonhtmlcommon - routines to do common html things
36:
37: =head1 SYNOPSIS
38:
39: Referenced by other mod_perl Apache modules.
40:
41: =head1 INTRODUCTION
42:
43: lonhtmlcommon is a collection of subroutines used to present information
44: in a consistent html format, or provide other functionality related to
45: html.
46:
47: =head2 General Subroutines
48:
49: =over 4
50:
51: =cut
52:
53: ######################################################################
54: ######################################################################
55:
56: package Apache::lonhtmlcommon;
57:
58: use strict;
59: use Time::Local;
60: use Time::HiRes;
61: use Apache::lonlocal;
62: use Apache::lonnet;
63: use HTML::Entities();
64: use LONCAPA qw(:DEFAULT :match);
65:
66: sub java_not_enabled {
67: return "\n".'<span class="LC_error">'.
68: &mt('The required Java applet could not be started. Please make sure to have Java installed and active in your browser.').
69: "</span>\n";
70: }
71:
72: sub coursepreflink {
73: my ($text,$category)=@_;
74: if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) {
75: return '<a target="_top" href="'.&HTML::Entities::encode("/adm/courseprefs?phase=display&actions=$category",'<>&"').'"><span class="LC_setting">'.$text.'</span></a>';
76: } else {
77: return '';
78: }
79: }
80:
81: sub raw_href_to_link {
82: my ($message)=@_;
83: $message=~s/(https?\:\/\/[^\s\'\"\<]+)([\s\<]|$)/<a href="$1"><tt>$1<\/tt><\/a>$2/gi;
84: return $message;
85: }
86:
87: sub entity_encode {
88: my ($text)=@_;
89: return &HTML::Entities::encode($text, '<>&"');
90: }
91:
92: sub direct_parm_link {
93: my ($linktext,$symb,$filter,$part,$target)=@_;
94: $symb=&entity_encode($symb);
95: $filter=&entity_encode($filter);
96: $part=&entity_encode($part);
97: if (($symb) && (&Apache::lonnet::allowed('opa')) && ($target ne 'tex')) {
98: return "<a target='_top' href='/adm/parmset?symb=$symb&filter=$filter&part=$part'><span class='LC_setting'>$linktext</span></a>";
99: } else {
100: return $linktext;
101: }
102: }
103: ##############################################
104: ##############################################
105:
106: =item &confirm_success()
107:
108: Successful completion of an operation message
109:
110: =cut
111:
112: sub confirm_success {
113: my ($message,$failure)=@_;
114: if ($failure) {
115: return '<span class="LC_error" style="font-size: inherit;">'."\n"
116: .'<img src="/adm/lonIcons/navmap.wrong.gif" alt="'.&mt('Error').'" /> '."\n"
117: .$message."\n"
118: .'</span>'."\n";
119: } else {
120: return '<span class="LC_success">'."\n"
121: .'<img src="/adm/lonIcons/navmap.correct.gif" alt="'.&mt('OK').'" /> '."\n"
122: .$message."\n"
123: .'</span>'."\n";
124: }
125: }
126:
127: ##############################################
128: ##############################################
129:
130: =pod
131:
132: =item &dragmath_button()
133:
134: Creates a button that launches a dragmath popup-window, in which an
135: expression can be edited and pasted as LaTeX into a specified textarea.
136:
137: textarea - Name of the textarea to edit.
138: helpicon - If true, show a help icon to the right of the button.
139:
140: =cut
141:
142: sub dragmath_button {
143: my ($textarea,$helpicon) = @_;
144: my $help_text;
145: if ($helpicon) {
146: $help_text = &Apache::loncommon::help_open_topic('Authoring_Math_Editor',undef,undef,undef,undef,'mathhelpicon_'.$textarea);
147: }
148: my $buttontext=&mt('Edit Math');
149: return <<ENDDRAGMATH;
150: <input type="button" value="$buttontext" onclick="javascript:mathedit('$textarea',document)" />$help_text
151: ENDDRAGMATH
152: }
153:
154: ##############################################
155:
156: =pod
157:
158: =item &dragmath_js()
159:
160: Javascript used to open pop-up window containing dragmath applet which
161: can be used to paste LaTeX into a textarea.
162:
163: =cut
164:
165: sub dragmath_js {
166: my ($popup) = @_;
167: return <<ENDDRAGMATHJS;
168: <script type="text/javascript">
169: // <![CDATA[
170: function mathedit(textarea, doc) {
171: targetEntry = textarea;
172: targetDoc = doc;
173: newwin = window.open("/adm/dragmath/applet/$popup.html","","width=565,height=500,resizable");
174: }
175: // ]]>
176: </script>
177:
178: ENDDRAGMATHJS
179: }
180:
181: ##############################################
182: ##############################################
183:
184: =pod
185:
186: =item &dependencies_button()
187:
188: Creates a button that launches a popup-window, in which dependencies
189: for the web page in the main window can be added to, replaced or deleted.
190:
191: =cut
192:
193: sub dependencies_button {
194: my $buttontext=&mt('Manage Dependencies');
195: return <<"END";
196: <input type="button" value="$buttontext" onclick="javascript:dependencycheck();" />
197: END
198: }
199:
200: ##############################################
201:
202: =pod
203:
204: =item &dependencycheck_js()
205:
206: Javascript used to open pop-up window containing interface to manage
207: dependencies for a web page uploaded diretcly to a course.
208:
209: =cut
210:
211: sub dependencycheck_js {
212: my ($symb,$title,$url) = @_;
213: my $link = '/adm/dependencies?symb='.&HTML::Entities::encode($symb,'<>&"').
214: '&title='.&HTML::Entities::encode($title,'<>&"').
215: '&url='.&HTML::Entities::encode($url,'<>&"');
216: return <<ENDJS;
217: <script type="text/javascript">
218: // <![CDATA[
219: function dependencycheck() {
220: depwin = window.open("$link","","width=750,height=500,resizable,scrollbars=yes");
221: }
222: // ]]>
223: </script>
224: ENDJS
225: }
226:
227: ##############################################
228: ##############################################
229:
230: =pod
231:
232: =item &authorbombs()
233:
234: =cut
235:
236: ##############################################
237: ##############################################
238:
239: sub authorbombs {
240: my $url=shift;
241: $url=&Apache::lonnet::declutter($url);
242: my ($udom,$uname)=($url=~m{^($LONCAPA::domain_re)/($LONCAPA::username_re)/});
243: my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom);
244: foreach my $bomb (keys(%bombs)) {
245: if ($bomb =~ /^$udom\/$uname\//) {
246: return '<a href="/adm/bombs/'.$url.
247: '"><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/bomb.gif').'" alt="'.&mt('Bomb').'" border="0" /></a>'.
248: &Apache::loncommon::help_open_topic('About_Bombs');
249: }
250: }
251: return '';
252: }
253:
254: ##############################################
255: ##############################################
256:
257: sub recent_filename {
258: my $area=shift;
259: return 'nohist_recent_'.&escape($area);
260: }
261:
262: sub store_recent {
263: my ($area,$name,$value,$freeze)=@_;
264: my $file=&recent_filename($area);
265: my %recent=&Apache::lonnet::dump($file);
266: if (scalar(keys(%recent))>20) {
267: # remove oldest value
268: my $oldest=time();
269: my $delkey='';
270: foreach my $item (keys(%recent)) {
271: my $thistime=(split(/\&/,$recent{$item}))[0];
272: if (($thistime ne "always_include") && ($thistime<$oldest)) {
273: $oldest=$thistime;
274: $delkey=$item;
275: }
276: }
277: &Apache::lonnet::del($file,[$delkey]);
278: }
279: # store new value
280: my $timestamp;
281: if ($freeze) {
282: $timestamp = "always_include";
283: } else {
284: $timestamp = time();
285: }
286: &Apache::lonnet::put($file,{ $name =>
287: $timestamp.'&'.&escape($value) });
288: }
289:
290: sub remove_recent {
291: my ($area,$names)=@_;
292: my $file=&recent_filename($area);
293: return &Apache::lonnet::del($file,$names);
294: }
295:
296: sub select_recent {
297: my ($area,$fieldname,$event)=@_;
298: my %recent=&Apache::lonnet::dump(&recent_filename($area));
299: my $return="\n<select name='$fieldname'".
300: ($event?" onchange='$event'":'').
301: ">\n<option value=''>--- ".&mt('Recent')." ---</option>";
302: foreach my $value (sort(keys(%recent))) {
303: unless ($value =~/^error\:/) {
304: my $escaped = &Apache::loncommon::escape_url($value);
305: &Apache::loncommon::inhibit_menu_check(\$escaped);
306: if ($area eq 'residx') {
307: next if ((!&Apache::lonnet::allowed('bre',$value)) && (!&Apache::lonnet::allowed('bro',$value)));
308: }
309: $return.="\n<option value='$escaped'>".
310: &unescape((split(/\&/,$recent{$value}))[1]).
311: '</option>';
312: }
313: }
314: $return.="\n</select>\n";
315: return $return;
316: }
317:
318: sub get_recent {
319: my ($area, $n) = @_;
320: my %recent=&Apache::lonnet::dump(&recent_filename($area));
321:
322: # Create hash with key as time and recent as value
323: # Begin filling return_hash with any 'always_include' option
324: my %time_hash = ();
325: my %return_hash = ();
326: foreach my $item (keys(%recent)) {
327: my ($thistime,$thisvalue)=(split(/\&/,$recent{$item}));
328: if ($thistime eq 'always_include') {
329: $return_hash{$item} = &unescape($thisvalue);
330: $n--;
331: } else {
332: $time_hash{$thistime} = $item;
333: }
334: }
335:
336: # Sort by decreasing time and return key value pairs
337: my $idx = 1;
338: foreach my $item (reverse(sort(keys(%time_hash)))) {
339: $return_hash{$time_hash{$item}} =
340: &unescape((split(/\&/,$recent{$time_hash{$item}}))[1]);
341: if ($n && ($idx++ >= $n)) {last;}
342: }
343:
344: return %return_hash;
345: }
346:
347: sub get_recent_frozen {
348: my ($area) = @_;
349: my %recent=&Apache::lonnet::dump(&recent_filename($area));
350:
351: # Create hash with all 'frozen' items
352: my %return_hash = ();
353: foreach my $item (keys(%recent)) {
354: my ($thistime,$thisvalue)=(split(/\&/,$recent{$item}));
355: if ($thistime eq 'always_include') {
356: $return_hash{$item} = &unescape($thisvalue);
357: }
358: }
359: return %return_hash;
360: }
361:
362:
363:
364: =pod
365:
366: =item &textbox()
367:
368: =cut
369:
370: ##############################################
371: ##############################################
372: sub textbox {
373: my ($name,$value,$size,$special) = @_;
374: $size = 40 if (! defined($size));
375: $value = &HTML::Entities::encode($value,'<>&"');
376: my $Str = '<input type="text" name="'.$name.'" size="'.$size.'" '.
377: 'value="'.$value.'" '.$special.' />';
378: return $Str;
379: }
380:
381: ##############################################
382: ##############################################
383:
384: =pod
385:
386: =item &checkbox()
387:
388: =cut
389:
390: ##############################################
391: ##############################################
392: sub checkbox {
393: my ($name,$checked,$value) = @_;
394: my $Str = '<input type="checkbox" name="'.$name.'" ';
395: if (defined($value)) {
396: $Str .= 'value="'.$value.'"';
397: }
398: if ($checked) {
399: $Str .= ' checked="checked"';
400: }
401: $Str .= ' />';
402: return $Str;
403: }
404:
405:
406: =pod
407:
408: =item &radiobutton()
409:
410: =cut
411:
412: ##############################################
413: ##############################################
414: sub radio {
415: my ($name,$checked,$value) = @_;
416: my $Str = '<input type="radio" name="'.$name.'" ';
417: if (defined($value)) {
418: $Str .= 'value="'.$value.'"';
419: }
420: if ($checked eq $value) {
421: $Str .= ' checked="checked"';
422: }
423: $Str .= ' />';
424: return $Str;
425: }
426:
427: ##############################################
428: ##############################################
429:
430: =pod
431:
432: =item &date_setter()
433:
434: &date_setter returns html and javascript for a compact date-setting form.
435: To retrieve values from it, use &get_date_from_form.
436:
437: Inputs
438:
439: =over 4
440:
441: =item $dname
442:
443: The name to prepend to the form elements.
444: The form elements defined will be dname_year, dname_month, dname_day,
445: dname_hour, dname_min, and dname_sec.
446:
447: =item $currentvalue
448:
449: The current setting for this time parameter. A unix format time
450: (time in seconds since the beginning of Jan 1st, 1970, GMT.
451: An undefined value is taken to indicate the value is the current time
452: unless it is requested to leave it empty. See $includeempty.
453: Also, to be explicit, a value of 'now' also indicates the current time.
454:
455: =item $special
456:
457: Additional html/javascript to be associated with each element in
458: the date_setter. See lonparmset for example usage.
459:
460: =item $includeempty
461:
462: If it is set (true) and no date/time value is provided,
463: the date/time fields are left empty.
464:
465: =item $state
466:
467: Specifies the initial state of the form elements. Either 'disabled' or empty.
468: Defaults to empty, which indiciates the form elements are not disabled.
469:
470: =back
471:
472: Bugs
473:
474: The method used to restrict user input will fail in the year 2400.
475:
476: =cut
477:
478: ##############################################
479: ##############################################
480: sub date_setter {
481: my ($formname,$dname,$currentvalue,$special,$includeempty,$state,
482: $no_hh_mm_ss,$defhour,$defmin,$defsec,$nolink) = @_;
483: my $now = time;
484:
485: my $tzname;
486: my ($sec,$min,$hour,$mday,$month,$year) = ('', '', undef,''.''.'');
487: #other potentially useful values: wkday,yrday,is_daylight_savings
488:
489: if (! defined($state) || $state ne 'disabled') {
490: $state = '';
491: }
492: if (! defined($no_hh_mm_ss)) {
493: $no_hh_mm_ss = 0;
494: }
495: if ($currentvalue eq 'now') {
496: $currentvalue = $now;
497: }
498:
499: # Default value: Set empty date field to current time
500: # unless empty inclusion is requested
501: if ((!$includeempty) && (!$currentvalue)) {
502: $currentvalue = $now;
503: }
504: # Do we have a date? Split it!
505: if ($currentvalue) {
506: ($tzname,$sec,$min,$hour,$mday,$month,$year) = &get_timedates($currentvalue);
507:
508: #No values provided for hour, min, sec? Use default 0
509: if (($defhour) || ($defmin) || ($defsec)) {
510: $sec = ($defsec ? $defsec : 0);
511: $min = ($defmin ? $defmin : 0);
512: $hour = ($defhour ? $defhour : 0);
513: }
514: }
515: my $result = "\n<!-- $dname date setting form -->\n";
516: $result .= <<ENDJS;
517: <script type="text/javascript">
518: // <![CDATA[
519: function $dname\_checkday() {
520: var day = document.$formname.$dname\_day.value;
521: var month = document.$formname.$dname\_month.value;
522: var year = document.$formname.$dname\_year.value;
523: var valid = true;
524: if (day < 1) {
525: document.$formname.$dname\_day.value = 1;
526: }
527: if (day > 31) {
528: document.$formname.$dname\_day.value = 31;
529: }
530: if ((month == 1) || (month == 3) || (month == 5) ||
531: (month == 7) || (month == 8) || (month == 10) ||
532: (month == 12)) {
533: if (day > 31) {
534: document.$formname.$dname\_day.value = 31;
535: day = 31;
536: }
537: } else if (month == 2 ) {
538: if ((year % 4 == 0) && (year % 100 != 0)) {
539: if (day > 29) {
540: document.$formname.$dname\_day.value = 29;
541: }
542: } else if (day > 29) {
543: document.$formname.$dname\_day.value = 28;
544: }
545: } else if (day > 30) {
546: document.$formname.$dname\_day.value = 30;
547: }
548: }
549:
550: function $dname\_disable() {
551: document.$formname.$dname\_month.disabled=true;
552: document.$formname.$dname\_day.disabled=true;
553: document.$formname.$dname\_year.disabled=true;
554: document.$formname.$dname\_hour.disabled=true;
555: document.$formname.$dname\_minute.disabled=true;
556: document.$formname.$dname\_second.disabled=true;
557: }
558:
559: function $dname\_enable() {
560: document.$formname.$dname\_month.disabled=false;
561: document.$formname.$dname\_day.disabled=false;
562: document.$formname.$dname\_year.disabled=false;
563: document.$formname.$dname\_hour.disabled=false;
564: document.$formname.$dname\_minute.disabled=false;
565: document.$formname.$dname\_second.disabled=false;
566: }
567:
568: function $dname\_opencalendar() {
569: if (! document.$formname.$dname\_month.disabled) {
570: var calwin=window.open(
571: "/adm/announcements?pickdate=yes&formname=$formname&element=$dname&month="+
572: document.$formname.$dname\_month.value+"&year="+
573: document.$formname.$dname\_year.value,
574: "LONCAPAcal",
575: "height=350,width=350,scrollbars=yes,resizable=yes,menubar=no");
576: }
577:
578: }
579: // ]]>
580: </script>
581: ENDJS
582: $result .= ' <span class="LC_nobreak">';
583: my $monthselector = qq{<select name="$dname\_month" $special $state onchange="javascript:$dname\_checkday()" >};
584: # Month
585: my @Months = qw/January February March April May June
586: July August September October November December/;
587: # Pad @Months with a bogus value to make indexing easier
588: unshift(@Months,'If you can read this an error occurred');
589: if ($includeempty) { $monthselector.="<option value=''></option>"; }
590: for(my $m = 1;$m <=$#Months;$m++) {
591: $monthselector .= qq{ <option value="$m"};
592: $monthselector .= ' selected="selected"' if ($m-1 eq $month);
593: $monthselector .= '> '.&mt($Months[$m]).' </option>'."\n";
594: }
595: $monthselector.= ' </select>';
596: # Day
597: my $dayselector = qq{<input type="text" name="$dname\_day" $state value="$mday" size="3" $special onchange="javascript:$dname\_checkday()" />};
598: # Year
599: my $yearselector = qq{<input type="text" name="$dname\_year" $state value="$year" size="5" $special onchange="javascript:$dname\_checkday()" />};
600: #
601: my $hourselector = qq{<select name="$dname\_hour" $special $state >};
602: if ($includeempty) {
603: $hourselector.=qq{<option value=''></option>};
604: }
605: for (my $h = 0;$h<24;$h++) {
606: $hourselector .= qq{<option value="$h"};
607: $hourselector .= ' selected="selected"' if (defined($hour) && $hour == $h);
608: $hourselector .= ">";
609: my $timest='';
610: if ($h == 0) {
611: $timest .= "12 am";
612: } elsif($h == 12) {
613: $timest .= "12 noon";
614: } elsif($h < 12) {
615: $timest .= "$h am";
616: } else {
617: $timest .= $h-12 ." pm";
618: }
619: $timest=&mt($timest);
620: $hourselector .= $timest." </option>\n";
621: }
622: $hourselector .= " </select>\n";
623: my $minuteselector = qq{<input type="text" name="$dname\_minute" $special $state value="$min" size="3" />};
624: my $secondselector= qq{<input type="text" name="$dname\_second" $special $state value="$sec" size="3" />};
625: my $cal_link;
626: if (!$nolink) {
627: $cal_link = qq{<a href="javascript:$dname\_opencalendar()">};
628: }
629: #
630: my $tzone = ' '.$tzname.' ';
631: if ($no_hh_mm_ss) {
632: $result .= &mt('[_1] [_2] [_3] ',
633: $monthselector,$dayselector,$yearselector).
634: $tzone;
635: if (!$nolink) {
636: $result .= &mt('[_1]Select Date[_2]',$cal_link,'</a>');
637: }
638: } else {
639: $result .= &mt('[_1] [_2] [_3] [_4] [_5]m [_6]s ',
640: $monthselector,$dayselector,$yearselector,
641: $hourselector,$minuteselector,$secondselector).
642: $tzone;
643: if (!$nolink) {
644: $result .= &mt('[_1]Select Date[_2]',$cal_link,'</a>');
645: }
646: }
647: $result .= "</span>\n<!-- end $dname date setting form -->\n";
648: return $result;
649: }
650:
651: sub get_timedates {
652: my ($epoch) = @_;
653: my $dt = DateTime->from_epoch(epoch => $epoch)
654: ->set_time_zone(&Apache::lonlocal::gettimezone());
655: my $tzname = $dt->time_zone_short_name();
656: my $sec = $dt->second;
657: my $min = $dt->minute;
658: my $hour = $dt->hour;
659: my $mday = $dt->day;
660: my $month = $dt->month;
661: if ($month) {
662: $month --;
663: }
664: my $year = $dt->year;
665: return ($tzname,$sec,$min,$hour,$mday,$month,$year);
666: }
667:
668: sub build_url {
669: my ($base, $fields)=@_;
670: my $url;
671: $url = $base.'?';
672: foreach my $key (keys(%$fields)) {
673: $url.=&escape($key).'='.&escape($$fields{$key}).'&';
674: }
675: $url =~ s/&$//;
676: return $url;
677: }
678:
679:
680: ##############################################
681: ##############################################
682:
683: =pod
684:
685: =item &get_date_from_form()
686:
687: get_date_from_form retrieves the date specified in an &date_setter form.
688:
689: Inputs:
690:
691: =over 4
692:
693: =item $dname
694:
695: The name passed to &date_setter, which prefixes the form elements.
696:
697: =item $defaulttime
698:
699: The unix time to use as the default in case of poor inputs.
700:
701: =back
702:
703: Returns: Unix time represented in the form.
704:
705: =cut
706:
707: ##############################################
708: ##############################################
709: sub get_date_from_form {
710: my ($dname) = @_;
711: my ($sec,$min,$hour,$day,$month,$year);
712: #
713: if (defined($env{'form.'.$dname.'_second'})) {
714: my $tmpsec = $env{'form.'.$dname.'_second'};
715: if (($tmpsec =~ /^\d+$/) && ($tmpsec >= 0) && ($tmpsec < 60)) {
716: $sec = $tmpsec;
717: }
718: if (!defined($tmpsec) || $tmpsec eq '') { $sec = 0; }
719: } else {
720: $sec = 0;
721: }
722: if (defined($env{'form.'.$dname.'_minute'})) {
723: my $tmpmin = $env{'form.'.$dname.'_minute'};
724: if (($tmpmin =~ /^\d+$/) && ($tmpmin >= 0) && ($tmpmin < 60)) {
725: $min = $tmpmin;
726: }
727: if (!defined($tmpmin) || $tmpmin eq '') { $min = 0; }
728: } else {
729: $min = 0;
730: }
731: if (defined($env{'form.'.$dname.'_hour'})) {
732: my $tmphour = $env{'form.'.$dname.'_hour'};
733: if (($tmphour =~ /^\d+$/) && ($tmphour >= 0) && ($tmphour < 24)) {
734: $hour = $tmphour;
735: }
736: } else {
737: $hour = 0;
738: }
739: if (defined($env{'form.'.$dname.'_day'})) {
740: my $tmpday = $env{'form.'.$dname.'_day'};
741: if (($tmpday =~ /^\d+$/) && ($tmpday > 0) && ($tmpday < 32)) {
742: $day = $tmpday;
743: }
744: }
745: if (defined($env{'form.'.$dname.'_month'})) {
746: my $tmpmonth = $env{'form.'.$dname.'_month'};
747: if (($tmpmonth =~ /^\d+$/) && ($tmpmonth > 0) && ($tmpmonth < 13)) {
748: $month = $tmpmonth;
749: }
750: }
751: if (defined($env{'form.'.$dname.'_year'})) {
752: my $tmpyear = $env{'form.'.$dname.'_year'};
753: if (($tmpyear =~ /^\d+$/) && ($tmpyear >= 1970)) {
754: $year = $tmpyear;
755: }
756: }
757: if (($year<1970) || ($year>2037)) { return undef; }
758: if (defined($sec) && defined($min) && defined($hour) &&
759: defined($day) && defined($month) && defined($year)) {
760: my $timezone = &Apache::lonlocal::gettimezone();
761: my $dt = DateTime->new( year => $year,
762: month => $month,
763: day => $day,
764: hour => $hour,
765: minute => $min,
766: second => $sec,
767: time_zone => $timezone,
768: );
769: my $epoch_time = $dt->epoch;
770: if ($epoch_time ne '') {
771: return $epoch_time;
772: } else {
773: return undef;
774: }
775: } else {
776: return undef;
777: }
778: }
779:
780: ##############################################
781: ##############################################
782:
783: =pod
784:
785: =item &pjump_javascript_definition()
786:
787: Returns javascript defining the 'pjump' function, which opens up a
788: parameter setting wizard.
789:
790: =cut
791:
792: ##############################################
793: ##############################################
794: sub pjump_javascript_definition {
795: my $Str = <<END;
796: function pjump(type,dis,value,marker,ret,call,hour,min,sec) {
797: openMyModal("/adm/rat/parameter.html?type="+escape(type)
798: +"&value="+escape(value)+"&marker="+escape(marker)
799: +"&return="+escape(ret)
800: +"&call="+escape(call)+"&name="+escape(dis)
801: +"&defhour="+escape(hour)+"&defmin="+escape(min)
802: +"&defsec="+escape(sec)+"&modal=1",350,350,'no');
803: }
804: END
805: return $Str;
806: }
807:
808: ##############################################
809: ##############################################
810:
811: =pod
812:
813: =item &javascript_nothing()
814:
815: Return an appropriate null for the users browser. This is used
816: as the first arguement for window.open calls when you want a blank
817: window that you can then write to.
818:
819: =cut
820:
821: ##############################################
822: ##############################################
823: sub javascript_nothing {
824: # mozilla and other browsers work with "''", but IE on mac does not.
825: my $nothing = "''";
826: my $user_browser;
827: my $user_os;
828: $user_browser = $env{'browser.type'} if (exists($env{'browser.type'}));
829: $user_os = $env{'browser.os'} if (exists($env{'browser.os'}));
830: if (! defined($user_browser) || ! defined($user_os)) {
831: (undef,$user_browser,undef,undef,undef,$user_os) =
832: &Apache::loncommon::decode_user_agent();
833: }
834: if ($user_browser eq 'explorer' && $user_os =~ 'mac') {
835: $nothing = "'javascript:void(0);'";
836: }
837: return $nothing;
838: }
839:
840: ##############################################
841: ##############################################
842: sub javascript_docopen {
843: my ($mimetype) = @_;
844: $mimetype ||= 'text/html';
845: # safari does not understand document.open() and loads "text/html"
846: my $nothing = "''";
847: my $user_browser;
848: my $user_os;
849: $user_browser = $env{'browser.type'} if (exists($env{'browser.type'}));
850: $user_os = $env{'browser.os'} if (exists($env{'browser.os'}));
851: if (! defined($user_browser) || ! defined($user_os)) {
852: (undef,$user_browser,undef,undef,undef,$user_os) =
853: &Apache::loncommon::decode_user_agent();
854: }
855: if ($user_browser eq 'safari' && $user_os =~ 'mac') {
856: $nothing = "document.clear()";
857: } else {
858: $nothing = "document.open('$mimetype','replace')";
859: }
860: return $nothing;
861: }
862:
863:
864: ##############################################
865: ##############################################
866:
867: =pod
868:
869: =item &StatusOptions()
870:
871: Returns html for a selection box which allows the user to choose the
872: enrollment status of students. The selection box name is 'Status'.
873:
874: Inputs:
875:
876: $status: the currently selected status. If undefined the value of
877: $env{'form.Status'} is taken. If that is undefined, a value of 'Active'
878: is used.
879:
880: $formname: The name of the form. If defined the onchange attribute of
881: the selection box is set to document.$formname.submit().
882:
883: $size: the size (number of lines) of the selection box.
884:
885: $onchange: javascript to use when the value is changed. Enclosed in
886: double quotes, ""s, not single quotes.
887:
888: Returns: a perl string as described.
889:
890: =cut
891:
892: ##############################################
893: ##############################################
894: sub StatusOptions {
895: my ($status, $formName,$size,$onchange,$mult)=@_;
896: $size = 1 if (!defined($size));
897: if (! defined($status)) {
898: $status = 'Active';
899: $status = $env{'form.Status'} if (exists($env{'form.Status'}));
900: }
901:
902: my $Str = '';
903: $Str .= '<select name="Status"';
904: if (defined($mult)){
905: $Str .= ' multiple="multiple" ';
906: }
907: if(defined($formName) && $formName ne '' && ! defined($onchange)) {
908: $Str .= ' onchange="document.'.$formName.'.submit()"';
909: }
910: if (defined($onchange)) {
911: $Str .= ' onchange="'.$onchange.'"';
912: }
913: $Str .= ' size="'.$size.'" ';
914: $Str .= '>'."\n";
915: foreach my $type (['Active', &mt('Currently Has Access')],
916: ['Future', &mt('Will Have Future Access')],
917: ['Expired', &mt('Previously Had Access')],
918: ['Any', &mt('Any Access Status')]) {
919: my ($name,$label) = @$type;
920: $Str .= '<option value="'.$name.'" ';
921: if ($status eq $name) {
922: $Str .= 'selected="selected" ';
923: }
924: $Str .= '>'.$label.'</option>'."\n";
925: }
926:
927: $Str .= '</select>'."\n";
928: }
929:
930: ########################################################
931: ########################################################
932:
933: =pod
934:
935: =item Progess Window Handling Routines
936:
937: These routines handle the creation, update, increment, and closure of
938: progress windows. The progress window reports to the user the number
939: of items completed and an estimate of the time required to complete the rest.
940:
941: =over 4
942:
943:
944: =item &Create_PrgWin()
945:
946: Writes javascript to the client to open a progress window and returns a
947: data structure used for bookkeeping.
948:
949: Inputs
950:
951: =over 4
952:
953: =item $r Apache request
954:
955: =item $number_to_do The total number of items being processed.
956:
957: =back
958:
959: Returns a hash containing the progress state data structure.
960:
961:
962: =item &Update_PrgWin()
963:
964: Updates the text in the progress indicator. Does not increment the count.
965: See &Increment_PrgWin.
966:
967: Inputs:
968:
969: =over 4
970:
971: =item $r Apache request
972:
973: =item $prog_state Pointer to the data structure returned by &Create_PrgWin
974:
975: =item $displaystring The string to write to the status indicator
976:
977: =back
978:
979: Returns: none
980:
981:
982: =item Increment_PrgWin()
983:
984: Increment the count of items completed for the progress window by $step or 1 if no step is provided.
985:
986: Inputs:
987:
988: =over 4
989:
990: =item $r Apache request
991:
992: =item $prog_state Pointer to the data structure returned by Create_PrgWin
993:
994: =item $extraInfo A description of the items being iterated over. Typically
995: 'student'.
996:
997: =item $step (optional) counter step. Will be set to default 1 if ommited. step must be greater than 0 or empty.
998:
999: =back
1000:
1001: Returns: none
1002:
1003:
1004: =item &Close_PrgWin()
1005:
1006: Closes the progress window.
1007:
1008: Inputs:
1009:
1010: =over 4
1011:
1012: =item $r Apache request
1013:
1014: =item $prog_state Pointer to the data structure returned by Create_PrgWin
1015:
1016: =back
1017:
1018: Returns: none
1019:
1020: =back
1021:
1022: =cut
1023:
1024: ########################################################
1025: ########################################################
1026:
1027:
1028: # Create progress
1029: sub Create_PrgWin {
1030: my ($r,$number_to_do)=@_;
1031: my %prog_state;
1032: $prog_state{'done'}=0;
1033: $prog_state{'firststart'}=&Time::HiRes::time();
1034: $prog_state{'laststart'}=&Time::HiRes::time();
1035: $prog_state{'max'}=$number_to_do;
1036: &Apache::loncommon::LCprogressbar($r);
1037: return %prog_state;
1038: }
1039:
1040: # update progress
1041: sub Update_PrgWin {
1042: my ($r,$prog_state,$displayString)=@_;
1043: &Apache::loncommon::LCprogressbarUpdate($r,undef,$displayString);
1044: $$prog_state{'laststart'}=&Time::HiRes::time();
1045: }
1046:
1047: # increment progress state
1048: sub Increment_PrgWin {
1049: my ($r,$prog_state,$extraInfo,$step)=@_;
1050: $step = $step > 0 ? $step : 1;
1051: $$prog_state{'done'} += $step;
1052:
1053: # Catch (max modulo step) <> 0
1054: my $current = $$prog_state{'done'};
1055: my $last = ($$prog_state{'max'} - $current);
1056: if ($last <= 0) {
1057: $last = 1;
1058: $current = $$prog_state{'max'};
1059: }
1060:
1061: my $time_est= (&Time::HiRes::time() - $$prog_state{'firststart'})/
1062: $current * $last;
1063: $time_est = int($time_est);
1064: #
1065: my $min = int($time_est/60);
1066: my $sec = $time_est % 60;
1067:
1068: my $lasttime = &Time::HiRes::time()-$$prog_state{'laststart'};
1069: if ($lasttime > 9) {
1070: $lasttime = int($lasttime);
1071: } elsif ($lasttime < 0.01) {
1072: $lasttime = 0;
1073: } else {
1074: $lasttime = sprintf("%3.2f",$lasttime);
1075: }
1076:
1077: $sec = 0 if ($min >= 10); # Don't show seconds if remaining time >= 10 min.
1078: $sec = 1 if ( ($min == 0) && ($sec == 0) ); # Little cheating: pretend to have 1 second remaining instead of 0 to have something to display
1079:
1080: my $timeinfo =
1081: &mt('[_1]/[_2]:'
1082: .' [quant,_3,minute,minutes,] [quant,_4,second ,seconds ,]remaining'
1083: .' ([quant,_5,second] for '.$extraInfo.')',
1084: $current,
1085: $$prog_state{'max'},
1086: $min,
1087: $sec,
1088: $lasttime);
1089: my $percent=0;
1090: if ($$prog_state{'max'}) {
1091: $percent=int(100.*$current/$$prog_state{'max'});
1092: }
1093: &Apache::loncommon::LCprogressbarUpdate($r,$percent,$timeinfo);
1094: $$prog_state{'laststart'}=&Time::HiRes::time();
1095: }
1096:
1097: # close Progress Line
1098: sub Close_PrgWin {
1099: my ($r,$prog_state)=@_;
1100: &Apache::loncommon::LCprogressbarClose($r);
1101: undef(%$prog_state);
1102: }
1103:
1104:
1105: # ------------------------------------------------------- Puts directory header
1106:
1107: sub crumbs {
1108: my ($uri,$target,$prefix,$form,$skiplast)=@_;
1109: # You cannot crumbnify uploaded or adm resources
1110: if ($uri=~/^\/*(uploaded|adm)\//) { return &mt('(Internal Course/Group Content)'); }
1111: if ($target) {
1112: $target = ' target="'.
1113: &Apache::loncommon::escape_single($target).'"';
1114: }
1115: my $output='<span class="LC_filename">';
1116: $output.=$prefix.'/';
1117: if (($env{'user.adv'}) || ($env{'user.author'})) {
1118: my $path=$prefix.'/';
1119: foreach my $dir (split('/',$uri)) {
1120: if (! $dir) { next; }
1121: $path .= $dir;
1122: if ($path eq $uri) {
1123: if ($skiplast) {
1124: $output.=$dir;
1125: last;
1126: }
1127: } else {
1128: $path.='/';
1129: }
1130: my $href_path = &HTML::Entities::encode($path,'<>&"');
1131: &Apache::loncommon::inhibit_menu_check(\$href_path);
1132: if ($form) {
1133: my $href = 'javascript:'.$form.".action='".$href_path."';".$form.'.submit();';
1134: $output.=qq{<a href="$href"$target>$dir</a>/};
1135: } else {
1136: $output.=qq{<a href="$href_path"$target>$dir</a>/};
1137: }
1138: }
1139: } else {
1140: foreach my $dir (split('/',$uri)) {
1141: if (! $dir) { next; }
1142: $output.=$dir.'/';
1143: }
1144: }
1145: if ($uri !~ m|/$|) { $output=~s|/$||; }
1146: $output.='</span>';
1147:
1148:
1149: return $output;
1150: }
1151:
1152: # --------------------- A function that generates a window for the spellchecker
1153:
1154: sub spellheader {
1155: my $start_page=
1156: &Apache::loncommon::start_page('Speller Suggestions',undef,
1157: {'only_body' => 1,
1158: 'js_ready' => 1,
1159: 'bgcolor' => '#DDDDDD',
1160: 'add_entries' => {
1161: 'onload' =>
1162: 'document.forms.spellcheckform.submit()',
1163: }
1164: });
1165: my $end_page=
1166: &Apache::loncommon::end_page({'js_ready' => 1});
1167:
1168: my $nothing=&javascript_nothing();
1169: return (<<ENDCHECK);
1170: <script type="text/javascript">
1171: // <![CDATA[
1172: //<!-- BEGIN LON-CAPA Internal
1173: var checkwin;
1174:
1175: function spellcheckerwindow(string) {
1176: var esc_string = string.replace(/\"/g,'"');
1177: checkwin=window.open($nothing,'spellcheckwin','height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
1178: checkwin.document.writeln('$start_page<form name="spellcheckform" action="/adm/spellcheck" method="post"><input type="hidden" name="text" value="'+esc_string+'" /><\\/form>$end_page');
1179: checkwin.document.close();
1180: }
1181: // END LON-CAPA Internal -->
1182: // ]]>
1183: </script>
1184: ENDCHECK
1185: }
1186:
1187: # ---------------------------------- Generate link to spell checker for a field
1188:
1189: sub spelllink {
1190: my ($form,$field)=@_;
1191: my $linktext=&mt('Check Spelling');
1192: return (<<ENDLINK);
1193: <a href="javascript:if (typeof(document.$form.onsubmit)!='undefined') { if (document.$form.onsubmit!=null) { document.$form.onsubmit();}};spellcheckerwindow(this.document.forms.$form.$field.value);">$linktext</a>
1194: ENDLINK
1195: }
1196:
1197: # ------------------------------------------------- Output headers for CKEditor
1198:
1199: sub htmlareaheaders {
1200: my $s="";
1201: if (&htmlareabrowser()) {
1202: $s.=(<<ENDEDITOR);
1203: <script type="text/javascript" src="/ckeditor/ckeditor.js"></script>
1204: ENDEDITOR
1205: }
1206: $s.=(<<ENDJQUERY);
1207: <script type="text/javascript" src="/adm/jQuery/js/jquery-1.6.2.min.js"></script>
1208: <script type="text/javascript" src="/adm/jQuery/js/jquery-ui-1.8.16.custom.min.js"></script>
1209: <link rel="stylesheet" type="text/css" href="/adm/jQuery/css/smoothness/jquery-ui-1.8.16.custom.css" />
1210: <script type="text/javascript" src="/adm/jpicker/js/jpicker-1.1.6.min.js" >
1211: </script>
1212: <link rel="stylesheet" type="text/css" href="/adm/jpicker/css/jPicker-1.1.6.min.css" />
1213: <script type="text/javascript" src="/adm/countdown/js/jquery.countdown.js"></script>
1214: <link rel="stylesheet" type="text/css" href="/adm/countdown/css/jquery.countdown.css" />
1215:
1216: <script type="text/javascript" src="/adm/spellchecker/js/jquery.spellchecker.min.js"></script>
1217: <link rel="stylesheet" type="text/css" href="/adm/spellchecker/css/spellchecker.css" />
1218:
1219: ENDJQUERY
1220: return $s;
1221: }
1222:
1223: # ----------------------------------------------------------------- Preferences
1224:
1225: # ------------------------------------------------- lang to use in html editor
1226: sub htmlarea_lang {
1227: my $lang='en';
1228: if (&mt('htmlarea_lang') ne 'htmlarea_lang') {
1229: $lang=&mt('htmlarea_lang');
1230: }
1231: return $lang;
1232: }
1233:
1234: # return javacsript to activate elements of .colorchooser with jpicker:
1235: # Caller is responsible for enclosing this in <script> tags:
1236: #
1237: sub color_picker {
1238: return '
1239: $(document).ready(function(){
1240: $.fn.jPicker.defaults.images.clientPath="/adm/jpicker/images/";
1241: $(".colorchooser").jPicker({window: { position: {x: "screenCenter", y: "bottom"}}});
1242: });';
1243: }
1244:
1245: # ----------------------------------------- Script to activate only some fields
1246:
1247: sub htmlareaselectactive {
1248: my ($args) = @_;
1249: unless (&htmlareabrowser()) { return ''; }
1250: my $output='<script type="text/javascript" defer="defer">'."\n"
1251: .'// <![CDATA['."\n";
1252: my $lang = &htmlarea_lang();
1253: my $fullpage = 'false';
1254: my ($dragmath_prefix,$dragmath_helpicon,$dragmath_whitespace);
1255: if (ref($args) eq 'HASH') {
1256: if (exists($args->{'lang'})) {
1257: if ($args->{'lang'} ne '') {
1258: $lang = $args->{'lang'};
1259: }
1260: }
1261: if (exists($args->{'fullpage'})) {
1262: if ($args->{'fullpage'} eq 'true') {
1263: $fullpage = $args->{'fullpage'};
1264: }
1265: }
1266: if (exists($args->{'dragmath'})) {
1267: if ($args->{'dragmath'} ne '') {
1268: $dragmath_prefix = $args->{'dragmath'};
1269: $dragmath_helpicon=&Apache::loncommon::lonhttpdurl("/adm/help/help.png");
1270: $dragmath_whitespace=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/transparent1x1.gif");
1271: }
1272: }
1273: }
1274: $output.='
1275:
1276: function containsBlockHtml(id) {
1277: var re = $("#"+id).html().search(/(?:\<\;|\<)(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)[\s]*((?:[\/]*[\s]*(?:\>\;|\>)|(?:\>\;|\>)[\s\S]*(?:\<\;|\<)\/[\s]*\1[\s]*\(?:\>\;|\>))/im);
1278: return (re >= 0);
1279: }
1280:
1281: function startRichEditor(id) {
1282: CKEDITOR.replace(id,
1283: {
1284: customConfig: "/ckeditor/loncapaconfig.js",
1285: language : "'.$lang.'",
1286: fullPage : '.$fullpage.',
1287: }
1288: );
1289: }
1290:
1291: function destroyRichEditor(id) {
1292: CKEDITOR.instances[id].destroy();
1293: }
1294:
1295: function editorHandler(event) {
1296: var rawid = $(this).attr("id");
1297: var id = new RegExp("LC_rt_(.*)").exec(rawid)[1];
1298: event.preventDefault();
1299: var rt_enabled = $(this).hasClass("LC_enable_rt");
1300: if (rt_enabled) {
1301: startRichEditor(id);
1302: $("#LC_rt_"+id).html("<b>« Plain text</b>");
1303: $("#LC_rt_"+id).attr("title", "Disable rich text formatting and edit in plain text");
1304: $("#LC_rt_"+id).addClass("LC_disable_rt");
1305: $("#LC_rt_"+id).removeClass("LC_enable_rt");
1306: } else {
1307: destroyRichEditor(id);
1308: $("#LC_rt_"+id).html("<b>Rich formatting »</b>");
1309: $("#LC_rt_"+id).attr("title", "Enable rich text formatting (bold, italic, etc.)");
1310: $("#LC_rt_"+id).addClass("LC_enable_rt");
1311: $("#LC_rt_"+id).removeClass("LC_disable_rt");
1312: }';
1313: if ($dragmath_prefix ne '') {
1314: $output .= "\n var visible = '';
1315: if (rt_enabled) {
1316: visible = 'none';
1317: }
1318: editmath_visibility(id,visible);\n";
1319: }
1320: $output .= '
1321: }
1322: $(document).ready(function(){
1323: $(".LC_richAlwaysOn").each(function() {
1324: startRichEditor($(this).attr("id"));
1325: });
1326: $(".LC_richDetectHtml").each(function() {
1327: var id = $(this).attr("id");
1328: var rt_enabled = containsBlockHtml(id);
1329: if(rt_enabled) {
1330: $(this).before("<div><a href=\"#\" id=\"LC_rt_"+id+"\" title=\"Disable rich text formatting and edit in plain text\" class=\"LC_disable_rt\"><b>« Plain text</b></a></div>");
1331: startRichEditor(id);
1332: $("#LC_rt_"+id).click(editorHandler);
1333: }
1334: else {
1335: $(this).before("<div><a href=\"#\" id=\"LC_rt_"+id+"\" title=\"Enable rich text formatting (bold, italic, etc.)\" class=\"LC_enable_rt\"><b>Rich formatting »</b></a></div>");
1336: $("#LC_rt_"+id).click(editorHandler);
1337: }';
1338: if ($dragmath_prefix ne '') {
1339: $output .= "\n var visible = '';
1340: if (rt_enabled) {
1341: visible = 'none';
1342: }
1343: editmath_visibility(id,visible);\n";
1344: }
1345: $output .= '
1346: });
1347: $(".LC_richDefaultOn").each(function() {
1348: var id = $(this).attr("id");
1349: $(this).before("<div><a href=\"#\" id=\"LC_rt_"+id+"\" title=\"Disable rich text formatting and edit in plain text\" class=\"LC_disable_rt\"><b>« Plain text</b></a></div>");
1350: startRichEditor(id);
1351: $("#LC_rt_"+id).click(editorHandler);
1352: });
1353: $(".LC_richDefaultOff").each(function() {
1354: var id = $(this).attr("id");
1355: $(this).before("<div><a href=\"#\" id=\"LC_rt_"+id+"\" title=\"Enable rich text formatting (bold, italic, etc.)\" class=\"LC_enable_rt\"><b>Rich formatting »</b></a></div>");
1356: $("#LC_rt_"+id).click(editorHandler);
1357: });
1358:
1359:
1360: });
1361: ';
1362: $output .= &color_picker;
1363:
1364: # Code to put a due date countdown in 'duedatecountdown' span.
1365: # This is currently located in the breadcrumb headers.
1366: # note that the dueDateLayout is internatinoalized below.
1367: # Here document is used to support the substitution into the javascript below.
1368: # ..which unforunately necessitates escaping the $'s in the javascript.
1369: # There are several times of importance
1370: #
1371: # serverDueDate - The absolute time at which the problem expires.
1372: # serverTime - The server's time when the problem finished computing.
1373: # clientTime - The client's time...as close to serverTime as possible.
1374: # The clientTime will be slightly later due to
1375: # 1. The latency between problem computation and
1376: # the first network action.
1377: # 2. The time required between the page load-start and the actual
1378: # initial javascript execution that got clientTime.
1379: # These are used as follows:
1380: # The difference between clientTime and serverTime are used to
1381: # correct for differences in clock settings between the browser's system and the
1382: # server's.
1383: #
1384: # The difference between clientTime and the time at which the ready() method
1385: # starts executing is used to estimate latencies for page load and submission.
1386: # Since this is an estimate, it is doubled. The latency estimate + one minute
1387: # is used to determine when the countdown timer turns red to warn the user
1388: # to think about submitting.
1389:
1390: my $dueDateLayout = &mt('Due in: {dn} {dl} {hnn}{sep}{mnn}{sep}{snn} [_1]',"<span id='submitearly'></span>");
1391: my $early = '- <b>'.&mt('Submit Early').'</b>';
1392: my $pastdue = '- <b>'.&mt('Past Due').'</b>';
1393: $output .= <<JAVASCRIPT;
1394:
1395: var documentReadyTime;
1396:
1397: \$(document).ready(function() {
1398: if (typeof(dueDate) != "undefined") {
1399: documentReadyTime = (new Date()).getTime();
1400: \$("#duedatecountdown").countdown({until: dueDate, compact: true,
1401: layout: "$dueDateLayout",
1402: onTick: function (periods) {
1403: var latencyEstimate = (documentReadyTime - clientTime) * 2;
1404: if(\$.countdown.periodsToSeconds(periods) < (300 + latencyEstimate)) {
1405: \$("#submitearly").html("$early");
1406: if (\$.countdown.periodsToSeconds(periods) < 1) {
1407: \$("#submitearly").html("$pastdue");
1408: }
1409: }
1410: if(\$.countdown.periodsToSeconds(periods) < (60 + latencyEstimate)) {
1411: \$(this).css("color", "red"); //Highlight last minute.
1412: }
1413: }
1414: });
1415: }
1416: });
1417:
1418: /* This code describes the spellcheck options that will be used for
1419: items with class 'spellchecked'. It is necessary for those objects'
1420: to explicitly request checking (e.g. onblur is a nice event for that).
1421: */
1422: \$(document).ready(function() {
1423: \$(".spellchecked").spellchecker({
1424: url: "/ajax/spellcheck",
1425: lang: "en",
1426: engine: "pspell",
1427: suggestionBoxPosition: "below",
1428: innerDocument: true
1429: });
1430: \$("textarea.spellchecked").spellchecker({
1431: url: "/ajax/spellcheck",
1432: lang: "en",
1433: engine: "pspell",
1434: suggestionBoxPosition: "below",
1435: innerDocument: true
1436: });
1437:
1438: });
1439:
1440: /* the muli colored editor can generate spellcheck with language 'none'
1441: to disable spellcheck as well
1442: */
1443: function doSpellcheck(element, lang) {
1444: if (lang != 'none') {
1445: \$(element).spellchecker('option', {lang: lang});
1446: \$(element).spellchecker('check');
1447: }
1448: }
1449:
1450:
1451: JAVASCRIPT
1452: if ($dragmath_prefix ne '') {
1453: $output .= '
1454:
1455: function editmath_visibility(id,value) {
1456:
1457: if ((id == "") || (id == null)) {
1458: return;
1459: }
1460: var mathid = "'.$dragmath_prefix.'_"+id;
1461: mathele = document.getElementById(mathid);
1462: if (mathele == null) {
1463: return;
1464: }
1465: mathele.style.display = value;
1466: var mathhelpicon = "'.$dragmath_prefix.'helpicon'.'_"+id;
1467: mathhelpiconele = document.getElementById(mathhelpicon);
1468: if (mathhelpiconele == null) {
1469: return;
1470: }
1471: if (value == "none") {
1472: mathhelpiconele.src = "'.$dragmath_whitespace.'";
1473: } else {
1474: mathhelpiconele.src = "'.$dragmath_helpicon.'";
1475: }
1476: }
1477: ';
1478:
1479: }
1480: $output.="\nwindow.status='Activated Editfields';\n"
1481: .'// ]]>'."\n"
1482: .'</script>';
1483: return $output;
1484: }
1485:
1486: # --------------------------------------------------------------------- Blocked
1487:
1488: sub htmlareablocked {
1489: unless ($env{'environment.wysiwygeditor'} eq 'on') { return 1; }
1490: return 0;
1491: }
1492:
1493: # ---------------------------------------- Browser capable of running HTMLArea?
1494:
1495: sub htmlareabrowser {
1496: return 1;
1497: }
1498:
1499: #
1500: # Should the "return to content" link be shown?
1501: #
1502:
1503: sub show_return_link {
1504:
1505: unless ($env{'request.course.id'}) { return 0; }
1506: if ($env{'request.noversionuri'}=~m{^/priv/} ||
1507: $env{'request.uri'}=~m{^/priv/}) { return 1; }
1508: return if ($env{'request.noversionuri'} eq '/adm/supplemental');
1509:
1510: if (($env{'request.noversionuri'} =~ m{^/adm/(viewclasslist|navmaps)($|\?)})
1511: || ($env{'request.noversionuri'} =~ m{^/adm/.*/aboutme($|\?)})) {
1512:
1513: return if ($env{'form.register'});
1514: }
1515: return (($env{'request.noversionuri'}=~m{^/(res|public)/} &&
1516: $env{'request.symb'} eq '')
1517: ||
1518: ($env{'request.noversionuri'}=~ m{^/cgi-bin/printout.pl})
1519: ||
1520: (($env{'request.noversionuri'}=~/^\/adm\//) &&
1521: ($env{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
1522: ($env{'request.noversionuri'}!~
1523: m{^/adm/.*/(smppg|bulletinboard)($|\?)})
1524: ));
1525: }
1526:
1527:
1528: ##
1529: # Set the dueDate variable...note this is done in the timezone
1530: # of the browser.
1531: #
1532: # @param epoch relative time at which the problem is due.
1533: #
1534: # @return the javascript fragment to set the date:
1535: #
1536: sub set_due_date {
1537: my $dueStamp = shift;
1538: my $duems = $dueStamp * 1000; # Javascript Date object needs ms not seconds.
1539:
1540: my $now = time()*1000;
1541:
1542: # This slightly obscure bit of javascript sets the dueDate variable
1543: # to the time in the browser at which the problem was due.
1544: # The code should correct for gross differences between the server
1545: # and client's time setting
1546:
1547: return <<"END";
1548:
1549: <script type="text/javascript">
1550: //<![CDATA[
1551: var serverDueDate = $duems;
1552: var serverTime = $now;
1553: var clientTime = (new Date()).getTime();
1554: var dueDate = new Date(serverDueDate + (clientTime - serverTime));
1555:
1556: //]]>
1557: </script>
1558:
1559: END
1560: }
1561: ##
1562: # Sets the time at which the problem finished computing.
1563: # This just updates the serverTime and clientTime variables above.
1564: # Calling this in e.g. end_problem provides a better estimate of the
1565: # difference beetween the server and client time setting as
1566: # the difference contains less of the latency/problem compute time.
1567: #
1568: sub set_compute_end_time {
1569:
1570: my $now = time()*1000; # Javascript times are in ms.
1571: return <<"END";
1572:
1573: <script type="text/javascript">
1574: //<![CDATA[
1575: serverTime = $now;
1576: clientTime = (new Date()).getTime();
1577: //]]>
1578: </script>
1579:
1580: END
1581: }
1582:
1583: ############################################################
1584: ############################################################
1585:
1586: =pod
1587:
1588: =item &breadcrumbs()
1589:
1590: Compiles the previously registered breadcrumbs into an series of links.
1591: Additionally supports a 'component', which will be displayed on the
1592: right side of the breadcrumbs enclosing div (without a link).
1593: A link to help for the component will be included if one is specified.
1594:
1595: All inputs can be undef without problems.
1596:
1597: Inputs: $component (the text on the right side of the breadcrumbs trail),
1598: $component_help
1599: $menulink (boolean, controls whether to include a link to /adm/menu)
1600: $helplink (if 'nohelp' don't include the orange help link)
1601: $css_class (optional name for the class to apply to the table for CSS)
1602: $no_mt (optional flag, 1 if &mt() is _not_ to be applied to $component
1603: when including the text on the right.
1604: Returns a string containing breadcrumbs for the current page.
1605:
1606: =item &clear_breadcrumbs()
1607:
1608: Clears the previously stored breadcrumbs.
1609:
1610: =item &add_breadcrumb()
1611:
1612: Pushes a breadcrumb on the stack of crumbs.
1613:
1614: input: $breadcrumb, a hash reference. The keys 'href','title', and 'text'
1615: are required. If present the keys 'faq' and 'bug' will be used to provide
1616: links to the FAQ and bug sites. If the key 'no_mt' is present the 'title'
1617: and 'text' values won't be sent through &mt()
1618:
1619: returns: nothing
1620:
1621: =cut
1622:
1623: ############################################################
1624: ############################################################
1625: {
1626: my @Crumbs;
1627: my %tools = ();
1628:
1629: sub breadcrumbs {
1630: my ($component,$component_help,$menulink,$helplink,$css_class,$no_mt,
1631: $CourseBreadcrumbs) = @_;
1632: #
1633: $css_class ||= 'LC_breadcrumbs';
1634:
1635: # Make the faq and bug data cascade
1636: my $faq = '';
1637: my $bug = '';
1638: my $help = '';
1639: # Crumb Symbol
1640: my $crumbsymbol = '»';
1641: # The last breadcrumb does not have a link, so handle it separately.
1642: my $last = pop(@Crumbs);
1643: #
1644: # The first one should be the course or a menu link
1645: if (!defined($menulink)) { $menulink=1; }
1646: if ($menulink) {
1647: my $description = 'Menu';
1648: my $no_mt_descr = 0;
1649: if ((exists($env{'request.course.id'})) &&
1650: ($env{'request.course.id'} ne '') &&
1651: ($env{'course.'.$env{'request.course.id'}.'.description'} ne '')) {
1652: $description =
1653: $env{'course.'.$env{'request.course.id'}.'.description'};
1654: $no_mt_descr = 1;
1655: if ($env{'request.noversionuri'} =~
1656: m{^/public/($match_domain)/($match_courseid)/syllabus$}) {
1657: unless (($env{'course.'.$env{'request.course.id'}.'.domain'} eq $1) &&
1658: ($env{'course.'.$env{'request.course.id'}.'.num'} eq $2)) {
1659: $description = 'Menu';
1660: $no_mt_descr = 0;
1661: }
1662: }
1663: }
1664: $menulink = { href =>'/adm/menu',
1665: title =>'Go to main menu',
1666: target =>'_top',
1667: text =>$description,
1668: no_mt =>$no_mt_descr, };
1669: if($last) {
1670: #$last set, so we have some crumbs
1671: unshift(@Crumbs,$menulink);
1672: } else {
1673: #only menulink crumb present
1674: $last = $menulink;
1675: }
1676: }
1677: my $links;
1678: if ((&show_return_link) && (!$CourseBreadcrumbs) && (ref($last) eq 'HASH')) {
1679: my $alttext = &mt('Go Back');
1680: $links=&htmltag( 'a','<img src="/res/adm/pages/tolastloc.png" alt="'.$alttext.'" class="LC_icon" />',
1681: { href => '/adm/flip?postdata=return:',
1682: title => &mt('Back to most recent content resource'),
1683: class => 'LC_menubuttons_link',
1684: });
1685: $links=&htmltag('li',$links);
1686: }
1687: $links.= join "",
1688: map {
1689: $faq = $_->{'faq'} if (exists($_->{'faq'}));
1690: $bug = $_->{'bug'} if (exists($_->{'bug'}));
1691: $help = $_->{'help'} if (exists($_->{'help'}));
1692:
1693: my $result = $_->{no_mt} ? $_->{text} : &mt($_->{text});
1694:
1695: if ($_->{href}){
1696: $result = &htmltag( 'a', $result,
1697: { href => $_->{href},
1698: title => $_->{no_mt} ? $_->{title} : &mt($_->{title}),
1699: target => $_->{target}, });
1700: }
1701:
1702: $result = &htmltag( 'li', "$result $crumbsymbol");
1703: } @Crumbs;
1704:
1705: #should the last Element be translated?
1706:
1707: my $lasttext = $last->{'no_mt'} ? $last->{'text'}
1708: : mt( $last->{'text'} );
1709:
1710: # last breadcrumb is the first order heading of a page
1711: # for course breadcrumbs it's just bold
1712:
1713: if ($lasttext ne '') {
1714: $links .= &htmltag( 'li', htmltag($CourseBreadcrumbs ? 'b' : 'h1',
1715: $lasttext), {title => $lasttext});
1716: }
1717:
1718: my $icons = '';
1719: $faq = $last->{'faq'} if (exists($last->{'faq'}));
1720: $bug = $last->{'bug'} if (exists($last->{'bug'}));
1721: $help = $last->{'help'} if (exists($last->{'help'}));
1722: $component_help=($component_help?$component_help:$help);
1723: # if ($faq ne '') {
1724: # $icons .= &Apache::loncommon::help_open_faq($faq);
1725: # }
1726: # if ($bug ne '') {
1727: # $icons .= &Apache::loncommon::help_open_bug($bug);
1728: # }
1729: if ($faq ne '' || $component_help ne '' || $bug ne '') {
1730: $icons .= &Apache::loncommon::help_open_menu($component,
1731: $component_help,
1732: $faq,$bug);
1733: }
1734: #
1735:
1736:
1737: if ($links ne '') {
1738: unless ($CourseBreadcrumbs) {
1739: $links = &htmltag('ol', $links, { id => "LC_MenuBreadcrumbs" });
1740: } else {
1741: $links = &htmltag('ul', $links, { class => "LC_CourseBreadcrumbs" });
1742: }
1743: }
1744:
1745:
1746: if ($component) {
1747: $links = &htmltag('span',
1748: ( $no_mt ? $component : mt($component) ).
1749: ( $icons ? $icons : '' ),
1750: { class => 'LC_breadcrumbs_component' } )
1751: .$links
1752: ;
1753: }
1754:
1755: &render_tools(\$links);
1756: $links = &htmltag('div', $links,
1757: { id => "LC_breadcrumbs" }) unless ($CourseBreadcrumbs) ;
1758: &render_advtools(\$links);
1759:
1760: # Return the @Crumbs stack to what we started with
1761: push(@Crumbs,$last);
1762: shift(@Crumbs);
1763:
1764:
1765: # Return the breadcrumb's line
1766:
1767:
1768:
1769: return "$links";
1770: }
1771:
1772: sub clear_breadcrumbs {
1773: undef(@Crumbs);
1774: undef(%tools);
1775: }
1776:
1777: sub add_breadcrumb {
1778: push(@Crumbs,@_);
1779: }
1780:
1781: =item &add_breadcrumb_tool($category, $html)
1782:
1783: Adds $html to $category of the breadcrumb toolbar container.
1784:
1785: $html is usually a link to a page that invokes a function on the currently
1786: displayed data (e.g. print when viewing a problem)
1787:
1788: Currently there are 3 possible values for $category:
1789:
1790: =over
1791:
1792: =item navigation
1793: left of breadcrumbs line
1794:
1795: =item tools
1796: remaining items in right of breadcrumbs line
1797:
1798: =item advtools
1799: advanced tools shown in a separate box below breadcrumbs line
1800:
1801: =back
1802:
1803: returns: nothing
1804:
1805: =cut
1806:
1807: sub add_breadcrumb_tool {
1808: my ($category, @html) = @_;
1809: return unless @html;
1810: if (!keys(%tools)) {
1811: %tools = ( navigation => [], tools => [], advtools => []);
1812: }
1813:
1814: #this cleans data received from lonmenu::innerregister
1815: @html = grep {defined $_ && $_ ne ''} @html;
1816: for (@html) {
1817: s/align="(right|left)"//;
1818: # s/<span.*?\/span>// if $category ne 'advtools';
1819: }
1820:
1821: push @{$tools{$category}}, @html;
1822: }
1823:
1824: =item &clear_breadcrumb_tools()
1825:
1826: Clears the breadcrumb toolbar container.
1827:
1828: returns: nothing
1829:
1830: =cut
1831:
1832: sub clear_breadcrumb_tools {
1833: undef(%tools);
1834: }
1835:
1836: =item &render_tools(\$breadcrumbs)
1837:
1838: Creates html for breadcrumb tools (categories navigation and tools) and inserts
1839: \$breadcrumbs at the correct position.
1840:
1841: input: \$breadcrumbs - a reference to the string containing prepared
1842: breadcrumbs.
1843:
1844: returns: nothing
1845:
1846: =cut
1847:
1848: #TODO might split this in separate functions for each category
1849: sub render_tools {
1850: my ($breadcrumbs) = @_;
1851: return unless (keys(%tools));
1852:
1853: my $navigation = list_from_array($tools{navigation},
1854: { listattr => { class=>"LC_breadcrumb_tools_navigation" } });
1855: my $tools = list_from_array($tools{tools},
1856: { listattr => { class=>"LC_breadcrumb_tools_tools" } });
1857: $$breadcrumbs = list_from_array([$navigation, $tools, $$breadcrumbs],
1858: { listattr => { class=>'LC_breadcrumb_tools_outerlist' } });
1859: }
1860:
1861: =pod
1862:
1863: =item &render_advtools(\$breadcrumbs)
1864:
1865: Creates html for advanced tools (category advtools) and inserts \$breadcrumbs
1866: at the correct position.
1867:
1868: input: \$breadcrumbs - a reference to the string containing prepared
1869: breadcrumbs (after render_tools call).
1870:
1871: returns: nothing
1872:
1873: =cut
1874:
1875: sub render_advtools {
1876: my ($breadcrumbs) = @_;
1877: return unless (defined $tools{'advtools'})
1878: and (scalar(@{$tools{'advtools'}}) > 0);
1879:
1880: $$breadcrumbs .= Apache::loncommon::head_subbox(
1881: funclist_from_array($tools{'advtools'}) );
1882: }
1883:
1884: } # End of scope for @Crumbs
1885:
1886: sub docs_breadcrumbs {
1887: my ($allowed,$crstype,$contenteditor,$title,$precleared)=@_;
1888: my ($folderpath,@folders);
1889: if ($env{'form.pagepath'}) {
1890: @folders = split('&',$env{'form.pagepath'});
1891: } else {
1892: @folders = split('&',$env{'form.folderpath'});
1893: }
1894: my $plain='';
1895: my ($randompick,$isencrypted,$ishidden,$is_random_order) = (-1,0,0,0);
1896: my @docs_crumbs;
1897: while (@folders) {
1898: my $folder=shift(@folders);
1899: my $foldername=shift(@folders);
1900: if ($folderpath) {$folderpath.='&';}
1901: $folderpath.=$folder.'&'.$foldername;
1902: my $url;
1903: if ($allowed) {
1904: $url = '/adm/coursedocs?folderpath=';
1905: } else {
1906: $url = '/adm/supplemental?folderpath=';
1907: }
1908: $url .= &escape($folderpath);
1909: my $name=&unescape($foldername);
1910: # each of randompick number, hidden, encrypted, random order are
1911: # appended with ":"s to the foldername
1912: $name=~s/\:(\d*)\:(\w*)\:(\w*):(\d*)$//;
1913: if ($contenteditor) {
1914: if ($1 ne '') {
1915: $randompick=$1;
1916: } else {
1917: $randompick=-1;
1918: }
1919: if ($2) { $ishidden=1; }
1920: if ($3) { $isencrypted=1; }
1921: if ($4 ne '') { $is_random_order = 1; }
1922: }
1923: if ($folder eq 'supplemental') {
1924: $name = &mt('Supplemental '.$crstype.' Contents');
1925: }
1926: if ($contenteditor) {
1927: $plain.=$name.' > ';
1928: }
1929: push(@docs_crumbs,
1930: {'href' => $url,
1931: 'title' => $name,
1932: 'text' => $name,
1933: 'no_mt' => 1,
1934: });
1935: }
1936: if ($title) {
1937: push(@docs_crumbs,
1938: {'title' => $title,
1939: 'text' => $title,
1940: 'no_mt' => 1,}
1941: );
1942: }
1943: if (wantarray) {
1944: unless ($precleared) {
1945: &clear_breadcrumbs();
1946: }
1947: &add_breadcrumb(@docs_crumbs);
1948: if ($contenteditor) {
1949: $plain=~s/\>\;\s*$//;
1950: }
1951: my $menulink = 0;
1952: if (!$allowed && !$contenteditor) {
1953: $menulink = 1;
1954: }
1955: return (&breadcrumbs(undef,undef,$menulink,'nohelp',undef,undef,
1956: $contenteditor),
1957: $randompick,$ishidden,$isencrypted,$plain,
1958: $is_random_order);
1959: } else {
1960: return \@docs_crumbs;
1961: }
1962: }
1963:
1964: ############################################################
1965: ############################################################
1966:
1967: # Nested table routines.
1968: #
1969: # Routines to display form items in a multi-row table with 2 columns.
1970: # Uses nested tables to divide form elements into segments.
1971: # For examples of use see loncom/interface/lonnotify.pm
1972: #
1973: # Can be used in following order: ...
1974: # &start_pick_box()
1975: # row1
1976: # row2
1977: # row3 ... etc.
1978: # &submit_row()
1979: # &end_pick_box()
1980: #
1981: # where row1, row 2 etc. are chosen from &role_select_row,&course_select_row,
1982: # &status_select_row and &email_default_row
1983: #
1984: # Can also be used in following order:
1985: #
1986: # &start_pick_box()
1987: # &row_title()
1988: # &row_closure()
1989: # &row_title()
1990: # &row_closure() ... etc.
1991: # &submit_row()
1992: # &end_pick_box()
1993: #
1994: # In general a &submit_row() call should proceed the call to &end_pick_box(),
1995: # as this routine adds a button for form submission.
1996: # &submit_row() does not require a &row_closure after it.
1997: #
1998: # &start_pick_box() creates a bounding table with 1-pixel wide black border.
1999: # rows should be placed between calls to &start_pick_box() and &end_pick_box.
2000: #
2001: # &row_title() adds a title in the left column for each segment.
2002: # &row_closure() closes a row with a 1-pixel wide black line.
2003: #
2004: # &role_select_row() provides a select box from which to choose 1 or more roles
2005: # &course_select_row provides ways of picking groups of courses
2006: # radio buttons: all, by category or by picking from a course picker pop-up
2007: # note: by category option is only displayed if a domain has implemented
2008: # selection by year, semester, department, number etc.
2009: #
2010: # &status_select_row() provides a select box from which to choose 1 or more
2011: # access types (current access, prior access, and future access)
2012: #
2013: # &email_default_row() provides text boxes for default e-mail suffixes for
2014: # different authentication types in a domain.
2015: #
2016: # &row_title() and &row_closure() are called internally by the &*_select_row
2017: # routines, but can also be called directly to start and end rows which have
2018: # needs that are not accommodated by the *_select_row() routines.
2019:
2020: { # Start: row_count block for pick_box
2021: my @row_count;
2022:
2023: sub start_pick_box {
2024: my ($css_class,$id) = @_;
2025: if (defined($css_class)) {
2026: $css_class = 'class="'.$css_class.'"';
2027: } else {
2028: $css_class= 'class="LC_pick_box"';
2029: }
2030: my $table_id;
2031: if (defined($id)) {
2032: $table_id = ' id="'.$id.'"';
2033: }
2034: unshift(@row_count,0);
2035: my $output = <<"END";
2036: <table $css_class $table_id>
2037: END
2038: return $output;
2039: }
2040:
2041: sub end_pick_box {
2042: shift(@row_count);
2043: my $output = <<"END";
2044: </table>
2045: END
2046: return $output;
2047: }
2048:
2049: sub row_headline {
2050: my $output = <<"END";
2051: <tr><td colspan="2">
2052: END
2053: return $output;
2054: }
2055:
2056: sub row_title {
2057: my ($title,$css_title_class,$css_value_class, $css_value_furtherAttributes) = @_;
2058: $row_count[0]++;
2059: my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
2060: $css_title_class ||= 'LC_pick_box_title';
2061: $css_title_class = 'class="'.$css_title_class.'"';
2062:
2063: $css_value_class ||= 'LC_pick_box_value';
2064:
2065: if ($title ne '') {
2066: $title .= ':';
2067: }
2068: my $output = <<"ENDONE";
2069: <tr class="LC_pick_box_row" $css_value_furtherAttributes>
2070: <td $css_title_class>
2071: $title
2072: </td>
2073: <td class="$css_value_class $css_class">
2074: ENDONE
2075: return $output;
2076: }
2077:
2078: sub row_closure {
2079: my ($no_separator) =@_;
2080: my $output = <<"ENDTWO";
2081: </td>
2082: </tr>
2083: ENDTWO
2084: if (!$no_separator) {
2085: $output .= <<"ENDTWO";
2086: <tr>
2087: <td colspan="2" class="LC_pick_box_separator">
2088: </td>
2089: </tr>
2090: ENDTWO
2091: }
2092: return $output;
2093: }
2094:
2095: } # End: row_count block for pick_box
2096:
2097: sub role_select_row {
2098: my ($roles,$title,$css_class,$show_separate_custom,$cdom,$cnum) = @_;
2099: my $crstype = 'Course';
2100: if ($cdom ne '' && $cnum ne '') {
2101: $crstype = &Apache::loncommon::course_type($cdom.'_'.$cnum);
2102: }
2103: my $output;
2104: if (defined($title)) {
2105: $output = &row_title($title,$css_class);
2106: }
2107: $output .= qq|
2108: <select name="roles" multiple="multiple">\n|;
2109: foreach my $role (@$roles) {
2110: my $plrole;
2111: if ($role eq 'ow') {
2112: $plrole = &mt('Course Owner');
2113: } elsif ($role eq 'cr') {
2114: if ($show_separate_custom) {
2115: if ($cdom ne '' && $cnum ne '') {
2116: my %course_customroles = &course_custom_roles($cdom,$cnum);
2117: foreach my $crrole (sort(keys(%course_customroles))) {
2118: my ($plcrrole) = ($crrole =~ m|^cr/[^/]+/[^/]+/(.+)$|);
2119: $output .= ' <option value="'.$crrole.'">'.$plcrrole.
2120: '</option>';
2121: }
2122: }
2123: } else {
2124: $plrole = &mt('Custom Role');
2125: }
2126: } else {
2127: $plrole=&Apache::lonnet::plaintext($role,$crstype);
2128: }
2129: if (($role ne 'cr') || (!$show_separate_custom)) {
2130: $output .= ' <option value="'.$role.'">'.$plrole.'</option>';
2131: }
2132: }
2133: $output .= qq| </select>\n|;
2134: if (defined($title)) {
2135: $output .= &row_closure();
2136: }
2137: return $output;
2138: }
2139:
2140: sub course_select_row {
2141: my ($title,$formname,$totcodes,$codetitles,$idlist,$idlist_titles,
2142: $css_class,$crstype,$standardnames) = @_;
2143: my $output = &row_title($title,$css_class);
2144: $output .= &course_selection($formname,$totcodes,$codetitles,$idlist,$idlist_titles,$crstype,$standardnames);
2145: $output .= &row_closure();
2146: return $output;
2147: }
2148:
2149: sub course_selection {
2150: my ($formname,$totcodes,$codetitles,$idlist,$idlist_titles,$crstype,$standardnames) = @_;
2151: my $output = qq|
2152: <script type="text/javascript">
2153: // <![CDATA[
2154: function coursePick (formname) {
2155: for (var i=0; i<formname.coursepick.length; i++) {
2156: if (formname.coursepick[i].value == 'category') {
2157: courseSet('');
2158: }
2159: if (!formname.coursepick[i].checked) {
2160: if (formname.coursepick[i].value == 'specific') {
2161: formname.coursetotal.value = 0;
2162: formname.courselist = '';
2163: }
2164: }
2165: }
2166: }
2167: function setPick (formname) {
2168: for (var i=0; i<formname.coursepick.length; i++) {
2169: if (formname.coursepick[i].value == 'category') {
2170: formname.coursepick[i].checked = true;
2171: }
2172: formname.coursetotal.value = 0;
2173: formname.courselist = '';
2174: }
2175: }
2176: // ]]>
2177: </script>
2178: |;
2179:
2180: my ($allcrs,$pickspec);
2181: if ($crstype eq 'Community') {
2182: $allcrs = &mt('All communities');
2183: $pickspec = &mt('Pick specific communities:');
2184: } else {
2185: $allcrs = &mt('All courses');
2186: $pickspec = &mt('Pick specific course(s):');
2187: }
2188:
2189: my $courseform='<b>'.&Apache::loncommon::selectcourse_link
2190: ($formname,'pickcourse','pickdomain','coursedesc','',1,$crstype).'</b>';
2191: $output .= '<input type="radio" name="coursepick" value="all" onclick="coursePick(this.form)" />'.$allcrs.'<br />';
2192: if ($totcodes > 0) {
2193: my $numtitles = @$codetitles;
2194: if ($numtitles > 0) {
2195: $output .= '<input type="radio" name="coursepick" value="category" onclick="coursePick(this.form);alert('."'".&mt('Choose categories, from left to right')."'".')" />'.&mt('Pick courses by category:').' <br />';
2196: $output .= '<table><tr><td>'.$$codetitles[0].'<br />'."\n".
2197: '<select name="'.$standardnames->[0].
2198: '" onChange="setPick(this.form);courseSet('."'$$codetitles[0]'".')">'."\n".
2199: ' <option value="-1" />Select'."\n";
2200: my @items = ();
2201: my @longitems = ();
2202: if ($$idlist{$$codetitles[0]} =~ /","/) {
2203: @items = split(/","/,$$idlist{$$codetitles[0]});
2204: } else {
2205: $items[0] = $$idlist{$$codetitles[0]};
2206: }
2207: if (defined($$idlist_titles{$$codetitles[0]})) {
2208: if ($$idlist_titles{$$codetitles[0]} =~ /","/) {
2209: @longitems = split(/","/,$$idlist_titles{$$codetitles[0]});
2210: } else {
2211: $longitems[0] = $$idlist_titles{$$codetitles[0]};
2212: }
2213: for (my $i=0; $i<@longitems; $i++) {
2214: if ($longitems[$i] eq '') {
2215: $longitems[$i] = $items[$i];
2216: }
2217: }
2218: } else {
2219: @longitems = @items;
2220: }
2221: for (my $i=0; $i<@items; $i++) {
2222: $output .= ' <option value="'.$items[$i].'">'.$longitems[$i].'</option>';
2223: }
2224: $output .= '</select></td>';
2225: for (my $i=1; $i<$numtitles; $i++) {
2226: $output .= '<td>'.$$codetitles[$i].'<br />'."\n".
2227: '<select name="'.$standardnames->[$i].
2228: '" onChange="courseSet('."'$$codetitles[$i]'".')">'."\n".
2229: '<option value="-1"><-Pick '.$$codetitles[$i-1].'</option>'."\n".
2230: '</select>'."\n".
2231: '</td>';
2232: }
2233: $output .= '</tr></table><br />';
2234: }
2235: }
2236: $output .= '<input type="radio" name="coursepick" value="specific" onclick="coursePick(this.form);opencrsbrowser('."'".$formname."','dccourse','dcdomain','coursedesc','','1','$crstype'".')" />'.$pickspec.' '.$courseform.' <input type="text" value="0" size="4" name="coursetotal" /><input type="hidden" name="courselist" value="" />selected.<br />'."\n";
2237: return $output;
2238: }
2239:
2240: sub status_select_row {
2241: my ($types,$title,$css_class) = @_;
2242: my $output;
2243: if (defined($title)) {
2244: $output = &row_title($title,$css_class,'LC_pick_box_select');
2245: }
2246: $output .= qq|
2247: <select name="types" multiple="multiple">\n|;
2248: foreach my $status_type (sort(keys(%{$types}))) {
2249: $output .= ' <option value="'.$status_type.'">'.$$types{$status_type}.'</option>';
2250: }
2251: $output .= qq| </select>\n|;
2252: if (defined($title)) {
2253: $output .= &row_closure();
2254: }
2255: return $output;
2256: }
2257:
2258: sub email_default_row {
2259: my ($authtypes,$title,$descrip,$css_class) = @_;
2260: my $output = &row_title($title,$css_class);
2261: $output .= $descrip.
2262: &Apache::loncommon::start_data_table().
2263: &Apache::loncommon::start_data_table_header_row().
2264: '<th>'.&mt('Authentication Method').'</th>'.
2265: '<th align="right">'.&mt('Username -> e-mail conversion').'</th>'."\n".
2266: &Apache::loncommon::end_data_table_header_row();
2267: my $rownum = 0;
2268: foreach my $auth (sort(keys(%{$authtypes}))) {
2269: my ($userentry,$size);
2270: if ($auth =~ /^krb/) {
2271: $userentry = '';
2272: $size = 25;
2273: } else {
2274: $userentry = 'username@';
2275: $size = 15;
2276: }
2277: $output .= &Apache::loncommon::start_data_table_row().
2278: '<td> '.$$authtypes{$auth}.'</td>'.
2279: '<td align="right">'.$userentry.
2280: '<input type="text" name="'.$auth.'" size="'.$size.'" /></td>'.
2281: &Apache::loncommon::end_data_table_row();
2282: }
2283: $output .= &Apache::loncommon::end_data_table();
2284: $output .= &row_closure();
2285: return $output;
2286: }
2287:
2288:
2289: sub submit_row {
2290: my ($title,$cmd,$submit_text,$css_class) = @_;
2291: my $output = &row_title($title,$css_class,'LC_pick_box_submit');
2292: $output .= qq|
2293: <br />
2294: <input type="hidden" name="command" value="$cmd" />
2295: <input type="submit" value="$submit_text"/>
2296: <br /><br />
2297: \n|;
2298: return $output;
2299: }
2300:
2301: sub course_custom_roles {
2302: my ($cdom,$cnum) = @_;
2303: my %returnhash=();
2304: my %coursepersonnel=&Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
2305: foreach my $person (sort(keys(%coursepersonnel))) {
2306: my ($role) = ($person =~ /^([^:]+):/);
2307: my ($end,$start) = split(/:/,$coursepersonnel{$person});
2308: if ($end == -1 && $start == -1) {
2309: next;
2310: }
2311: if ($role =~ m|^cr/[^/]+/[^/]+/[^/]|) {
2312: $returnhash{$role} ++;
2313: }
2314: }
2315: return %returnhash;
2316: }
2317:
2318:
2319: sub resource_info_box {
2320: my ($symb,$onlyfolderflag,$stuvcurrent,$stuvdisp)=@_;
2321: my $return='';
2322: if ($stuvcurrent ne '') {
2323: $return = '<div class="LC_left_float">';
2324: }
2325: if ($symb) {
2326: $return.=&Apache::loncommon::start_data_table();
2327: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symb);
2328: my $folder=&Apache::lonnet::gettitle($map);
2329: $return.=&Apache::loncommon::start_data_table_row().
2330: '<th align="left">'.&mt('Folder:').'</th><td>'.$folder.'</td>'.
2331: &Apache::loncommon::end_data_table_row();
2332: unless ($onlyfolderflag) {
2333: $return.=&Apache::loncommon::start_data_table_row().
2334: '<th align="left">'.&mt('Resource:').'</th><td>'.&Apache::lonnet::gettitle($symb).'</td>'.
2335: &Apache::loncommon::end_data_table_row();
2336: }
2337: if ($stuvcurrent ne '') {
2338: $return .= &Apache::loncommon::start_data_table_row().
2339: '<th align="left">'.&mt("Student's current version:").'</th><td>'.$stuvcurrent.'</td>'.
2340: &Apache::loncommon::end_data_table_row();
2341: }
2342: if ($stuvdisp ne '') {
2343: $return .= &Apache::loncommon::start_data_table_row().
2344: '<th align="left">'.&mt("Student's version displayed:").'</th><td>'.$stuvdisp.'</td>'.
2345: &Apache::loncommon::end_data_table_row();
2346: }
2347: $return.=&Apache::loncommon::end_data_table();
2348: } else {
2349: $return='<p><span class="LC_error">'.&mt('No context provided.').'</span></p>';
2350: }
2351: if ($stuvcurrent ne '') {
2352: $return .= '</div>';
2353: }
2354: return $return;
2355: }
2356:
2357: ##############################################
2358: ##############################################
2359:
2360: # topic_bar
2361: #
2362: # Generates a div containing an (optional) number with a white background followed by a
2363: # title with a background color defined in the corresponding CSS: LC_topic_bar
2364: # Inputs:
2365: # 1. number to display.
2366: # If input for number is empty only the title will be displayed.
2367: # 2. title text to display.
2368: # 3. optional id for the <div>
2369: # Outputs - a scalar containing html mark-up for the div.
2370:
2371: sub topic_bar {
2372: my ($num,$title,$id) = @_;
2373: my $number = '';
2374: if ($num ne '') {
2375: $number = '<span>'.$num.'</span>';
2376: }
2377: if ($id ne '') {
2378: $id = 'id="'.$id.'"';
2379: }
2380: return '<div class="LC_topic_bar" '.$id.'>'.$number.$title.'</div>';
2381: }
2382:
2383: ##############################################
2384: ##############################################
2385: # echo_form_input
2386: #
2387: # Generates html markup to add form elements from the referrer page
2388: # as hidden form elements (values encoded) in the new page.
2389: #
2390: # Intended to support two types of use
2391: # (a) to allow backing up to earlier pages in a multi-page
2392: # form submission process using a breadcrumb trail.
2393: #
2394: # (b) to allow the current page to be reloaded with form elements
2395: # set on previous page to remain unchanged. An example would
2396: # be where the a page containing a dynamically-built table of data is
2397: # is to be redisplayed, with only the sort order of the data changed.
2398: #
2399: # Inputs:
2400: # 1. Reference to array of form elements in the submitted form on
2401: # the referrer page which are to be excluded from the echoed elements.
2402: #
2403: # 2. Reference to array of regular expressions, which if matched in the
2404: # name of the form element n the referrer page will be omitted from echo.
2405: #
2406: # Outputs: A scalar containing the html markup for the echoed form
2407: # elements (all as hidden elements, with values encoded).
2408:
2409:
2410: sub echo_form_input {
2411: my ($excluded,$regexps) = @_;
2412: my $output = '';
2413: foreach my $key (keys(%env)) {
2414: if ($key =~ /^form\.(.+)$/) {
2415: my $name = $1;
2416: my $match = 0;
2417: if (ref($excluded) eq 'ARRAY') {
2418: next if (grep(/^\Q$name\E$/,@{$excluded}));
2419: }
2420: if (ref($regexps) eq 'ARRAY') {
2421: if (@{$regexps} > 0) {
2422: foreach my $regexp (@{$regexps}) {
2423: if ($name =~ /$regexp/) {
2424: $match = 1;
2425: last;
2426: }
2427: }
2428: }
2429: }
2430: next if ($match);
2431: if (ref($env{$key}) eq 'ARRAY') {
2432: foreach my $value (@{$env{$key}}) {
2433: $value = &HTML::Entities::encode($value,'<>&"');
2434: $output .= '<input type="hidden" name="'.$name.
2435: '" value="'.$value.'" />'."\n";
2436: }
2437: } else {
2438: my $value = &HTML::Entities::encode($env{$key},'<>&"');
2439: $output .= '<input type="hidden" name="'.$name.
2440: '" value="'.$value.'" />'."\n";
2441: }
2442: }
2443: }
2444: return $output;
2445: }
2446:
2447: ##############################################
2448: ##############################################
2449: # set_form_elements
2450: #
2451: # Generates javascript to set form elements to values based on
2452: # corresponding values for the same form elements when the page was
2453: # previously submitted.
2454: #
2455: # Last submission values are read from hidden form elements in referring
2456: # page which have the same name, i.e., generated by &echo_form_input().
2457: #
2458: # Intended to be called by onload event.
2459: #
2460: # Inputs:
2461: # (a) Reference to hash of echoed form elements to be set.
2462: #
2463: # In the hash, keys are the form element names, and the values are the
2464: # element type (selectbox, radio, checkbox or text -for textbox, textarea or
2465: # hidden).
2466: #
2467: # (b) Optional reference to hash of stored elements to be set.
2468: #
2469: # If the page being displayed is a page which permits modification of
2470: # previously stored data, e.g., the first page in a multi-page submission,
2471: # then if stored is supplied, form elements will be set to the last stored
2472: # values. If user supplied values are also available for the same elements
2473: # these will replace the stored values.
2474: #
2475: # Output:
2476: #
2477: # javascript function - set_form_elements() which sets form elements,
2478: # expects an argument: formname - the name of the form according to
2479: # the DOM, e.g., document.compose
2480:
2481: sub set_form_elements {
2482: my ($elements,$stored) = @_;
2483: my %values;
2484: my $output .= 'function setFormElements(courseForm) {
2485: ';
2486: if (defined($stored)) {
2487: foreach my $name (keys(%{$stored})) {
2488: if (exists($$elements{$name})) {
2489: if (ref($$stored{$name}) eq 'ARRAY') {
2490: $values{$name} = $$stored{$name};
2491: } else {
2492: @{$values{$name}} = ($$stored{$name});
2493: }
2494: }
2495: }
2496: }
2497:
2498: foreach my $key (keys(%env)) {
2499: if ($key =~ /^form\.(.+)$/) {
2500: my $name = $1;
2501: if (exists($$elements{$name})) {
2502: @{$values{$name}} = &Apache::loncommon::get_env_multiple($key);
2503: }
2504: }
2505: }
2506:
2507: foreach my $name (keys(%values)) {
2508: for (my $i=0; $i<@{$values{$name}}; $i++) {
2509: $values{$name}[$i] = &HTML::Entities::decode($values{$name}[$i],'<>&"');
2510: $values{$name}[$i] =~ s/([\r\n\f]+)/\\n/g;
2511: $values{$name}[$i] =~ s/"/\\"/g;
2512: }
2513: if (($$elements{$name} eq 'text') || ($$elements{$name} eq 'hidden')) {
2514: my $numvalues = @{$values{$name}};
2515: if ($numvalues > 1) {
2516: my $valuestring = join('","',@{$values{$name}});
2517: $output .= qq|
2518: var textvalues = new Array ("$valuestring");
2519: var total = courseForm.elements['$name'].length;
2520: if (total > $numvalues) {
2521: total = $numvalues;
2522: }
2523: for (var i=0; i<total; i++) {
2524: courseForm.elements['$name']\[i].value = textvalues[i];
2525: }
2526: |;
2527: } else {
2528: $output .= qq|
2529: courseForm.elements['$name'].value = "$values{$name}[0]";
2530: |;
2531: }
2532: } else {
2533: $output .= qq|
2534: var elementLength = courseForm.elements['$name'].length;
2535: if (elementLength==undefined) {
2536: |;
2537: foreach my $value (@{$values{$name}}) {
2538: if ($$elements{$name} eq 'selectbox') {
2539: $output .= qq|
2540: if (courseForm.elements['$name'].options[0].value == "$value") {
2541: courseForm.elements['$name'].options[0].selected = true;
2542: }|;
2543: } elsif (($$elements{$name} eq 'radio') ||
2544: ($$elements{$name} eq 'checkbox')) {
2545: $output .= qq|
2546: if (courseForm.elements['$name'].value == "$value") {
2547: courseForm.elements['$name'].checked = true;
2548: } else {
2549: courseForm.elements['$name'].checked = false;
2550: }|;
2551: }
2552: }
2553: $output .= qq|
2554: }
2555: else {
2556: for (var i=0; i<courseForm.elements['$name'].length; i++) {
2557: |;
2558: if ($$elements{$name} eq 'selectbox') {
2559: $output .= qq|
2560: courseForm.elements['$name'].options[i].selected = false;|;
2561: } elsif (($$elements{$name} eq 'radio') ||
2562: ($$elements{$name} eq 'checkbox')) {
2563: $output .= qq|
2564: courseForm.elements['$name']\[i].checked = false;|;
2565: }
2566: $output .= qq|
2567: }
2568: for (var j=0; j<courseForm.elements['$name'].length; j++) {
2569: |;
2570: foreach my $value (@{$values{$name}}) {
2571: if ($$elements{$name} eq 'selectbox') {
2572: $output .= qq|
2573: if (courseForm.elements['$name'].options[j].value == "$value") {
2574: courseForm.elements['$name'].options[j].selected = true;
2575: }|;
2576: } elsif (($$elements{$name} eq 'radio') ||
2577: ($$elements{$name} eq 'checkbox')) {
2578: $output .= qq|
2579: if (courseForm.elements['$name']\[j].value == "$value") {
2580: courseForm.elements['$name']\[j].checked = true;
2581: }|;
2582: }
2583: }
2584: $output .= qq|
2585: }
2586: }
2587: |;
2588: }
2589: }
2590: $output .= "
2591: return;
2592: }\n";
2593: return $output;
2594: }
2595:
2596: ##############################################
2597: ##############################################
2598:
2599: sub file_submissionchk_js {
2600: my ($turninpaths,$multiples) = @_;
2601: my $overwritewarn = &mt('File(s) you uploaded for your submission will overwrite existing file(s) submitted for this item').'\\n'.
2602: &mt('Continue submission and overwrite the file(s)?');
2603: my $delfilewarn = &mt('You have indicated you wish to remove some files previously included in your submission.').'\\n'.
2604: &mt('Continue submission with these files removed?');
2605: my ($turninpathtext,$multtext,$arrayindexofjs);
2606: if (ref($turninpaths) eq 'HASH') {
2607: foreach my $key (sort(keys(%{$turninpaths}))) {
2608: $turninpathtext .= " if (prefix == '$key') {\n".
2609: " return '$turninpaths->{$key}';\n".
2610: " }\n";
2611: }
2612: }
2613: $turninpathtext .= " return '';\n";
2614: if (ref($multiples) eq 'HASH') {
2615: foreach my $key (sort(keys(%{$multiples}))) {
2616: $multtext .= " if (prefix == '$key') {\n".
2617: " return '$multiples->{$key}';\n".
2618: " }\n";
2619: }
2620: }
2621: $multtext .= " return '';\n";
2622:
2623: $arrayindexofjs = &Apache::loncommon::javascript_array_indexof();
2624: return <<"ENDSCRIPT";
2625: <script type="text/javascript">
2626: // <![CDATA[
2627:
2628: function file_submission_check(formname,path,multiresp) {
2629: var elemnum = formname.elements.length;
2630: if (elemnum == 0) {
2631: return true;
2632: }
2633: var alloverwrites = [];
2634: var alldelconfirm = [];
2635: var result = [];
2636: var submitter;
2637: var subprefix;
2638: var allsub = getIndexByName(formname,'all_submit');
2639: if (allsub == -1) {
2640: var idx = getIndexByName(formname,'submitted');
2641: if (idx != -1) {
2642: var subval = String(formname.elements[idx].value);
2643: submitter = subval.replace(/^part_/,'');
2644: result = overwritten_check(formname,path,multiresp,submitter);
2645: alloverwrites.push.apply(alloverwrites,result['overwrite']);
2646: alldelconfirm.push.apply(alldelconfirm,result['delete']);
2647: }
2648: } else {
2649: if (formname.elements[allsub].type == 'submit') {
2650: var partsub = /^\\d+\\.\\d+_submit_.+\$/;
2651: var allprefixes = [];
2652: var allparts = [];
2653: for (var i=0; i<formname.elements.length; i++) {
2654: if (formname.elements[i].type == 'submit') {
2655: var elemname = formname.elements[i].name;
2656: var subname = String(elemname);
2657: var savesub = String(elemname);
2658: if (partsub.test(subname)) {
2659: var prefix = subname.replace(/_submit_.+\$/,'');
2660: if (allprefixes.indexOf(prefix) == -1) {
2661: allprefixes.push(prefix);
2662: allparts[prefix] = [];
2663: }
2664: var part = savesub.replace(/^\\d+\\.\\d+_submit_/,'');
2665: allparts[prefix].push(part);
2666: }
2667: }
2668: }
2669: for (var k=0; k<allprefixes.length; k++) {
2670: var idx = getIndexByName(formname,allprefixes[k]+'_submitted');
2671: if (idx > -1) {
2672: if (formname.elements[idx].value != 'yes') {
2673: submitterval = formname.elements[idx].value;
2674: submitter = submitterval.replace(/^part_/,'');
2675: subprefix = allprefixes[k];
2676: result = overwritten_check(formname,path,multiresp,submitter,subprefix);
2677: alloverwrites.push.apply(alloverwrites,result['overwrite']);
2678: alldelconfirm.push.apply(alldelconfirm,result['delete']);
2679: break;
2680: }
2681: }
2682: }
2683: if (submitter == '' || submitter == undefined) {
2684: for (var m=0; m<allprefixes.length; m++) {
2685: for (var n=0; n<allparts[allprefixes[m]].length; n++) {
2686: var result = overwritten_check(formname,path,multiresp,allparts[allprefixes[m]][n],allprefixes[m]);
2687: alloverwrites.push.apply(alloverwrites,result['overwrite']);
2688: alldelconfirm.push.apply(alldelconfirm,result['delete']);
2689: }
2690: }
2691: }
2692: }
2693: }
2694: if (alloverwrites.length > 0) {
2695: if (!confirm("$overwritewarn")) {
2696: for (var n=0; n<alloverwrites.length; n++) {
2697: formname.elements[alloverwrites[n]].value = "";
2698: }
2699: return false;
2700: }
2701: }
2702: if (alldelconfirm.length > 0) {
2703: if (!confirm("$delfilewarn")) {
2704: for (var p=0; p<alldelconfirm.length; p++) {
2705: formname.elements[alldelconfirm[p]].checked = false;
2706: }
2707: return false;
2708: }
2709: }
2710: return true;
2711: }
2712:
2713: function getIndexByName(formname,item) {
2714: for (var i=0;i<formname.elements.length;i++) {
2715: if (formname.elements[i].name == item) {
2716: return i;
2717: }
2718: }
2719: return -1;
2720: }
2721:
2722: function overwritten_check(formname,path,multiresp,part,prefix) {
2723: var result = [];
2724: result['overwrite'] = [];
2725: result['delete'] = [];
2726: var elemnum = formname.elements.length;
2727: if (elemnum == 0) {
2728: return result;
2729: }
2730: var uploadstr;
2731: var deletestr;
2732: if ((prefix != undefined) && (prefix != '')) {
2733: var prepend = prefix+'_';
2734: uploadstr = new RegExp("^"+prepend+"HWFILE"+part+".+\$");
2735: deletestr = new RegExp("^"+prepend+"HWFILE"+part+".+_\\\\d+_delete\$");
2736: multiresp = check_for_multiples(prepend);
2737: path = check_for_turninpath(prepend);
2738: } else {
2739: uploadstr = new RegExp("^HWFILE"+part+".+\$");
2740: deletestr = new RegExp("^HWFILE"+part+".+_\\\\d+_delete\$");
2741: }
2742: var alluploads = [];
2743: var allchecked = [];
2744: var allskipdel = [];
2745: var fnametrim = /[^\\/\\\\]+\$/;
2746: for (var i=0; i<formname.elements.length; i++) {
2747: var id = formname.elements[i].id;
2748: if (id != '') {
2749: if (uploadstr.test(id)) {
2750: if (formname.elements[i].type == 'file') {
2751: alluploads.push(id);
2752: } else {
2753: if (deletestr.test(id)) {
2754: if (formname.elements[i].type == 'checkbox') {
2755: if (formname.elements[i].checked) {
2756: allchecked.push(id);
2757: }
2758: }
2759: }
2760: }
2761: }
2762: }
2763: }
2764: for (var j=0; j<alluploads.length; j++) {
2765: var delstr = new RegExp("^"+alluploads[j]+"_\\\\d+_delete\$");
2766: var delboxes = [];
2767: for (var k=0; k<formname.elements.length; k++) {
2768: var id = formname.elements[k].id;
2769: if ((id != '') && (id != undefined)) {
2770: if (delstr.test(id)) {
2771: if (formname.elements[k].type == 'checkbox') {
2772: delboxes.push(id);
2773: }
2774: }
2775: }
2776: }
2777: if (delboxes.length > 0) {
2778: if ((formname.elements[alluploads[j]].value != undefined) &&
2779: (formname.elements[alluploads[j]].value != '')) {
2780: var filepath = formname.elements[alluploads[j]].value;
2781: var newfilename = fnametrim.exec(filepath);
2782: if (newfilename != null) {
2783: var filename = String(newfilename);
2784: var nospaces = filename.replace(/\\s+/g,'_');
2785: var nospecials = nospaces.replace(/[^\\/\\w\\.\\-]/g,'');
2786: var cleanfilename = nospecials.replace(/\\.(\\d+\\.)/g,"_\$1");
2787: if (cleanfilename != '') {
2788: var fullpath = path+"/"+cleanfilename;
2789: if (multiresp == 1) {
2790: var partid = String(alluploads[i]);
2791: var subdir = partid.replace(/^\\d*.?\\d*_?HWFILE/,'');
2792: if (subdir != "" && subdir != undefined) {
2793: fullpath = path+"/"+subdir+"/"+cleanfilename;
2794: }
2795: }
2796: for (var m=0; m<delboxes.length; m++) {
2797: if (fullpath == formname.elements[delboxes[m]].value) {
2798: if (formname.elements[delboxes[m]].checked) {
2799: allskipdel.push(delboxes[m]);
2800: } else {
2801: result['overwrite'].push(alluploads[j]);
2802: }
2803: break;
2804: }
2805: }
2806: }
2807: }
2808: }
2809: }
2810: }
2811: if (allchecked.length > 0) {
2812: if (allskipdel.length > 0) {
2813: for (var n=0; n<allchecked.length; n++) {
2814: if (allskipdel.indexOf(allchecked[n]) == -1) {
2815: result['delete'].push(allchecked[n]);
2816: }
2817: }
2818: } else {
2819: result['delete'].push.apply(result['delete'],allchecked);
2820: }
2821: }
2822: return result;
2823: }
2824:
2825: function check_for_multiples(prefix) {
2826: $multtext
2827: }
2828:
2829: function check_for_turninpath(prefix) {
2830: $turninpathtext
2831: }
2832:
2833: // ]]>
2834: </script>
2835:
2836: $arrayindexofjs
2837:
2838: ENDSCRIPT
2839: }
2840:
2841: ##############################################
2842: ##############################################
2843:
2844: sub resize_scrollbox_js {
2845: my ($context,$tabidstr) = @_;
2846: my (%names,$paddingwfrac,$offsetwfrac,$offsetv,$minw,$minv);
2847: if ($context eq 'docs') {
2848: %names = (
2849: boxw => 'contenteditor',
2850: item => 'contentlist',
2851: header => 'uploadfileresult',
2852: scroll => 'contentscroll',
2853: boxh => 'contenteditor',
2854: );
2855: $paddingwfrac = 0.09;
2856: $offsetwfrac = 0.015;
2857: $offsetv = 20;
2858: $minw = 250;
2859: $minv = 200;
2860: } elsif ($context eq 'params') {
2861: %names = (
2862: boxw => 'parameditor',
2863: item => 'mapmenuinner',
2864: header => 'parmstep1',
2865: scroll => 'mapmenuscroll',
2866: boxh => 'parmlevel',
2867: );
2868: $paddingwfrac = 0.2;
2869: $offsetwfrac = 0.015;
2870: $offsetv = 80;
2871: $minw = 100;
2872: $minv = 100;
2873: }
2874: my $viewport_js = &Apache::loncommon::viewport_geometry_js();
2875: my $output = '
2876:
2877: window.onresize=callResize;
2878:
2879: ';
2880: if ($context eq 'docs') {
2881: $output .= '
2882: var activeTab;
2883: ';
2884: }
2885: $output .= <<"FIRST";
2886:
2887: $viewport_js
2888:
2889: function resize_scrollbox(scrollboxname,chkw,chkh) {
2890: var scrollboxid = 'div_'+scrollboxname;
2891: var scrolltableid = 'table_'+scrollboxname;
2892: var scrollbox;
2893: var scrolltable;
2894:
2895: if (document.getElementById("$names{'boxw'}") == null) {
2896: return;
2897: }
2898:
2899: if (document.getElementById(scrollboxid) == null) {
2900: return;
2901: } else {
2902: scrollbox = document.getElementById(scrollboxid);
2903: }
2904:
2905:
2906: if (document.getElementById(scrolltableid) == null) {
2907: return;
2908: } else {
2909: scrolltable = document.getElementById(scrolltableid);
2910: }
2911:
2912: init_geometry();
2913: var vph = Geometry.getViewportHeight();
2914: var vpw = Geometry.getViewportWidth();
2915:
2916: FIRST
2917: if ($context eq 'docs') {
2918: $output .= "
2919: var alltabs = ['$tabidstr'];
2920: ";
2921: } elsif ($context eq 'params') {
2922: $output .= "
2923: if (document.getElementById('$names{'boxh'}') == null) {
2924: return;
2925: }
2926: ";
2927: }
2928: $output .= <<"SECOND";
2929: var listwchange;
2930: if (chkw == 1) {
2931: var boxw = document.getElementById("$names{'boxw'}").offsetWidth;
2932: var itemw;
2933: var itemid = document.getElementById("$names{'item'}");
2934: if (itemid != null) {
2935: itemw = itemid.offsetWidth;
2936: }
2937: var itemwstart = itemw;
2938:
2939: var scrollboxw = scrollbox.offsetWidth;
2940: var scrollboxscrollw = scrollbox.scrollWidth;
2941:
2942: var offsetw = parseInt(vpw * $offsetwfrac);
2943: var paddingw = parseInt(vpw * $paddingwfrac);
2944:
2945: var minscrollboxw = $minw;
2946: var maxcolw = 0;
2947: SECOND
2948: if ($context eq 'docs') {
2949: $output .= <<"DOCSONE";
2950: var actabw = 0;
2951: for (var i=0; i<alltabs.length; i++) {
2952: if (activeTab == alltabs[i]) {
2953: actabw = document.getElementById(alltabs[i]).offsetWidth;
2954: if (actabw > maxcolw) {
2955: maxcolw = actabw;
2956: }
2957: } else {
2958: if (document.getElementById(alltabs[i]) != null) {
2959: var thistab = document.getElementById(alltabs[i]);
2960: thistab.style.visibility = 'hidden';
2961: thistab.style.display = 'block';
2962: var tabw = document.getElementById(alltabs[i]).offsetWidth;
2963: thistab.style.display = 'none';
2964: thistab.style.visibility = '';
2965: if (tabw > maxcolw) {
2966: maxcolw = tabw;
2967: }
2968: }
2969: }
2970: }
2971: DOCSONE
2972: } elsif ($context eq 'params') {
2973: $output .= <<"PARAMSONE";
2974: var parmlevelrows = new Array();
2975: var mapmenucells = new Array();
2976: parmlevelrows = document.getElementById("$names{'boxh'}").rows;
2977: var numrows = parmlevelrows.length;
2978: if (numrows > 1) {
2979: mapmenucells = parmlevelrows[2].getElementsByTagName('td');
2980: }
2981: maxcolw = mapmenucells[0].offsetWidth;
2982: PARAMSONE
2983: }
2984: $output .= <<"THIRD";
2985: if (maxcolw > 0) {
2986: var newscrollboxw;
2987: if (maxcolw+paddingw+scrollboxscrollw<boxw) {
2988: newscrollboxw = boxw-paddingw-maxcolw;
2989: if (newscrollboxw < minscrollboxw) {
2990: newscrollboxw = minscrollboxw;
2991: }
2992: scrollbox.style.width = newscrollboxw+"px";
2993: if (newscrollboxw != scrollboxw) {
2994: var newitemw = newscrollboxw-offsetw;
2995: itemid.style.width = newitemw+"px";
2996: }
2997: } else {
2998: newscrollboxw = boxw-paddingw-maxcolw;
2999: if (newscrollboxw < minscrollboxw) {
3000: newscrollboxw = minscrollboxw;
3001: }
3002: scrollbox.style.width = newscrollboxw+"px";
3003: if (newscrollboxw != scrollboxw) {
3004: var newitemw = newscrollboxw-offsetw;
3005: itemid.style.width = newitemw+"px";
3006: }
3007: }
3008:
3009: if (newscrollboxw != scrollboxw) {
3010: var newscrolltablew = newscrollboxw+offsetw;
3011: scrolltable.style.width = newscrolltablew+"px";
3012: }
3013: }
3014:
3015: if (itemid.offsetWidth != itemwstart) {
3016: listwchange = 1;
3017: }
3018: }
3019: if ((chkh == 1) || (listwchange)) {
3020: var primaryheight = document.getElementById('LC_nav_bar').offsetHeight;
3021: var secondaryheight = document.getElementById('LC_secondary_menu').offsetHeight;
3022: var crumbsheight = document.getElementById('LC_breadcrumbs').offsetHeight;
3023: var dccidheight = 0;
3024: if (document.getElementById('dccid') != null) {
3025: dccidheight = document.getElementById('dccid').offsetHeight;
3026: }
3027: var headerheight = 0;
3028: if (document.getElementById("$names{'header'}") != null) {
3029: headerheight = document.getElementById("$names{'header'}").offsetHeight;
3030: }
3031: var tabbedheight = document.getElementById("tabbededitor").offsetHeight;
3032: var boxheight = document.getElementById("$names{'boxh'}").offsetHeight;
3033: var freevspace = vph-(primaryheight+secondaryheight+crumbsheight+dccidheight+headerheight+tabbedheight+boxheight);
3034:
3035: var scrollboxheight = scrollbox.offsetHeight;
3036: var scrollboxscrollheight = scrollbox.scrollHeight;
3037:
3038: var minvscrollbox = $minv;
3039: var offsetv = $offsetv;
3040: var newscrollboxheight;
3041: if (freevspace < 0) {
3042: newscrollboxheight = scrollboxheight+freevspace-offsetv;
3043: if (newscrollboxheight < minvscrollbox) {
3044: newscrollboxheight = minvscrollbox;
3045: }
3046: scrollbox.style.height = newscrollboxheight + "px";
3047: } else {
3048: if (scrollboxscrollheight > scrollboxheight) {
3049: if (freevspace > offsetv) {
3050: newscrollboxheight = scrollboxheight+freevspace-offsetv;
3051: if (newscrollboxheight < minvscrollbox) {
3052: newscrollboxheight = minvscrollbox;
3053: }
3054: scrollbox.style.height = newscrollboxheight+"px";
3055: }
3056: }
3057: }
3058: scrollboxheight = scrollbox.offsetHeight;
3059: var itemh = document.getElementById("$names{'item'}").offsetHeight;
3060:
3061: if (scrollboxscrollheight <= scrollboxheight) {
3062: if ((itemh+offsetv)<scrollboxheight) {
3063: newscrollheight = itemh+offsetv;
3064: scrollbox.style.height = newscrollheight+"px";
3065: }
3066: }
3067: }
3068: return;
3069: }
3070:
3071: function callResize() {
3072: var timer;
3073: clearTimeout(timer);
3074: timer=setTimeout('resize_scrollbox("$names{'scroll'}","1","1")',500);
3075: }
3076:
3077: THIRD
3078: return $output;
3079: }
3080:
3081: ##############################################
3082: ##############################################
3083:
3084: sub javascript_jumpto_resource {
3085: my $confirm_switch = &mt("Editing requires switching to the resource's home server.").'\n'.
3086: &mt('Switch server?');
3087: return (<<ENDUTILITY)
3088:
3089: function go(url) {
3090: if (url!='' && url!= null) {
3091: currentURL = null;
3092: currentSymb= null;
3093: window.location.href=url;
3094: }
3095: }
3096:
3097: function need_switchserver(url) {
3098: if (url!='' && url!= null) {
3099: if (confirm("$confirm_switch")) {
3100: go(url);
3101: }
3102: }
3103: return;
3104: }
3105:
3106: ENDUTILITY
3107:
3108: }
3109:
3110: sub jump_to_editres {
3111: my ($cfile,$home,$switchserver,$forceedit,$forcereg,$symb,$folderpath,
3112: $title,$idx,$suppurl) = @_;
3113: my $jscall;
3114: if ($switchserver) {
3115: if ($home) {
3116: $cfile = '/adm/switchserver?otherserver='.$home.'&role='.
3117: &HTML::Entities::encode($env{'request.role'},'"<>&');
3118: if ($symb) {
3119: $cfile .= '&symb='.&HTML::Entities::encode($symb,'"<>&');
3120: } elsif ($folderpath) {
3121: $cfile .= '&folderpath='.&HTML::Entities::encode($folderpath,'"<>&');
3122: }
3123: if ($forceedit) {
3124: $cfile .= '&forceedit=1';
3125: }
3126: if ($forcereg) {
3127: $cfile .= '&register=1';
3128: }
3129: $jscall = "need_switchserver('$cfile');";
3130: }
3131: } else {
3132: unless ($cfile =~ m{^/priv/}) {
3133: if ($symb) {
3134: $cfile .= (($cfile=~/\?/)?'&':'?')."symb=$symb";
3135: } elsif ($folderpath) {
3136: $cfile .= (($cfile=~/\?/)?'&':'?').
3137: 'folderpath='.&HTML::Entities::encode(&escape($folderpath),'"<>&');
3138: if ($title) {
3139: $cfile .= (($cfile=~/\?/)?'&':'?').
3140: 'title='.&HTML::Entities::encode(&escape($title),'"<>&');
3141: }
3142: if ($idx) {
3143: $cfile .= (($cfile=~/\?/)?'&':'?').'idx='.$idx;
3144: }
3145: if ($suppurl) {
3146: $cfile .= (($cfile=~/\?/)?'&':'?').
3147: 'suppurl='.&HTML::Entities::encode(&escape($suppurl));
3148: }
3149: }
3150: if ($forceedit) {
3151: $cfile .= (($cfile=~/\?/)?'&':'?').'forceedit=1';
3152: }
3153: if ($forcereg) {
3154: $cfile .= (($cfile=~/\?/)?'&':'?').'register=1';
3155: }
3156: }
3157: $jscall = "go('$cfile')";
3158: }
3159: return $jscall;
3160: }
3161:
3162: ##############################################
3163: ##############################################
3164:
3165: # javascript_valid_email
3166: #
3167: # Generates javascript to validate an e-mail address.
3168: # Returns a javascript function which accetps a form field as argumnent, and
3169: # returns false if field.value does not satisfy two regular expression matches
3170: # for a valid e-mail address. Backwards compatible with old browsers without
3171: # support for javascript RegExp (just checks for @ in field.value in this case).
3172:
3173: sub javascript_valid_email {
3174: my $scripttag .= <<'END';
3175: function validmail(field) {
3176: var str = field.value;
3177: if (window.RegExp) {
3178: var reg1str = "(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)";
3179: var reg2str = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$"; //"
3180: var reg1 = new RegExp(reg1str);
3181: var reg2 = new RegExp(reg2str);
3182: if (!reg1.test(str) && reg2.test(str)) {
3183: return true;
3184: }
3185: return false;
3186: }
3187: else
3188: {
3189: if(str.indexOf("@") >= 0) {
3190: return true;
3191: }
3192: return false;
3193: }
3194: }
3195: END
3196: return $scripttag;
3197: }
3198:
3199:
3200: # USAGE: htmltag(element, content, {attribute => value,...});
3201: #
3202: # EXAMPLES:
3203: # - htmltag('a', 'this is an anchor', {href => 'www.example.com',
3204: # title => 'this is a title'})
3205: #
3206: # - You might want to set up needed tags like:
3207: #
3208: # my $h3 = sub { return htmltag( "h3", @_ ) };
3209: #
3210: # ... and use them: $h3->("This is a headline")
3211: #
3212: # - To set up a couple of tags, see sub inittags
3213: #
3214: # NOTES:
3215: # - Empty elements, such as <br/> are correctly terminated,
3216: # i.e. htmltag('br') returns <br/>
3217: # - Empty attributes (title="") are filtered out.
3218: # - The function will not check for deprecated attributes.
3219: #
3220: # OUTPUT: content enclosed in xhtml conform tags
3221: sub htmltag{
3222: return
3223: qq|<$_[0]|
3224: . join( '', map { qq| $_="${$_[2]}{$_}"| if ${$_[2]}{$_} } keys %{ $_[2] } )
3225: . ($_[1] ? qq|>$_[1]</$_[0]>| : qq|/>|). "\n";
3226: };
3227:
3228:
3229: # USAGE: inittags(@tags);
3230: #
3231: # EXAMPLES:
3232: # - my ($h1, $h2, $h3) = inittags( qw( h1 h2 h3 ) )
3233: # $h1->("This is a headline") #Returns: <h1>This is a headline</h1>
3234: #
3235: # NOTES: See sub htmltag for further information.
3236: #
3237: # OUTPUT: List of subroutines.
3238: sub inittags {
3239: my @tags = @_;
3240: return map { my $tag = $_;
3241: sub { return htmltag( $tag, @_ ) }
3242: } @tags;
3243: }
3244:
3245:
3246: # USAGE: scripttag(scriptcode, [start|end|both]);
3247: #
3248: # EXAMPLES:
3249: # - scripttag("alert('Hello World!')", 'both')
3250: # returns:
3251: # <script type="text/javascript">
3252: # // BEGIN LON-CAPA Internal
3253: # alert(Hello World!')
3254: # // END LON-CAPA Internal
3255: # </script>
3256: #
3257: # NOTES:
3258: # - works currently only for javascripts
3259: #
3260: # OUTPUT:
3261: # Scriptcode properly enclosed in <script> and CDATA tags (and LC
3262: # Internal markers if 2nd argument is given)
3263: sub scripttag {
3264: my ( $content, $marker ) = @_;
3265: return unless defined $content;
3266:
3267: my $begin = "\n// BEGIN LON-CAPA Internal\n";
3268: my $end = "\n// END LON-CAPA Internal\n";
3269:
3270: if ($marker) {
3271: $content = $begin . $content if $marker eq 'start' or $marker eq 'both';
3272: $content .= $end if $marker eq 'end' or $marker eq 'both';
3273: }
3274:
3275: $content = "\n// <![CDATA[\n$content\n// ]]>\n";
3276:
3277: return htmltag('script', $content, {type => 'text/javascript'});
3278: };
3279:
3280: =pod
3281:
3282: =item &list_from_array( \@array, { listattr =>{}, itemattr =>{} } )
3283:
3284: Constructs a XHTML list from \@array.
3285:
3286: input:
3287:
3288: =over
3289:
3290: =item \@array
3291:
3292: A reference to the array containing text that will be wrapped in <li></li> tags.
3293:
3294: =item { listattr => {}, itemattr =>{} }
3295:
3296: Attributes for <ul> and <li> passed in as hash references.
3297: See htmltag() for more details.
3298:
3299: =back
3300:
3301: returns: XHTML list as String.
3302:
3303: =cut
3304:
3305: # \@items, {listattr => { class => 'abc', id => 'xyx' }, itemattr => {class => 'abc', id => 'xyx'}}
3306: sub list_from_array {
3307: my ($items, $args) = @_;
3308: return unless (ref($items) eq 'ARRAY');
3309: return unless scalar @$items;
3310: my ($ul, $li) = inittags( qw(ul li) );
3311: my $listitems = join '', map { $li->($_, $args->{itemattr}) } @$items;
3312: return $ul->( $listitems, $args->{listattr} );
3313: }
3314:
3315:
3316: ##############################################
3317: ##############################################
3318:
3319: # generate_menu
3320: #
3321: # Generates html markup for a menu.
3322: #
3323: # Inputs:
3324: # An array of following structure:
3325: # ({ categorytitle => 'Categorytitle',
3326: # items => [
3327: # {
3328: # linktext => 'Text to be displayed',
3329: # url => 'URL the link is pointing to, i.e. /adm/site?action=dosomething',
3330: # permission => 'Contains permissions as returned from lonnet::allowed(),
3331: # must evaluate to true in order to activate the link',
3332: # icon => 'icon filename',
3333: # alttext => 'alt text for the icon',
3334: # help => 'Name of the corresponding helpfile',
3335: # linktitle => 'Description of the link (used for title tag)'
3336: # },
3337: # ...
3338: # ]
3339: # },
3340: # ...
3341: # )
3342: #
3343: # Outputs: A scalar containing the html markup for the menu.
3344:
3345: sub generate_menu {
3346: my @menu = @_;
3347: # subs for specific html elements
3348: my ($h3, $div, $ul, $li, $a, $img) = inittags( qw(h3 div ul li a img) );
3349:
3350: my @categories; # each element represents the entire markup for a category
3351:
3352: foreach my $category (@menu) {
3353: my @links; # contains the links for the current $category
3354: foreach my $link (@{$$category{items}}) {
3355: next unless $$link{permission};
3356:
3357: # create the markup for the current $link and push it into @links.
3358: # each entry consists of an image and a text optionally followed
3359: # by a help link.
3360: my $src;
3361: if ($$link{icon} ne '') {
3362: $src = '/res/adm/pages/'.$$link{icon};
3363: }
3364: push(@links,$li->(
3365: $a->(
3366: $img->("", {
3367: class => "LC_noBorder LC_middle",
3368: src => $src,
3369: alt => mt(defined($$link{alttext}) ?
3370: $$link{alttext} : $$link{linktext})
3371: }), {
3372: href => $$link{url},
3373: title => mt($$link{linktitle}),
3374: class => 'LC_menubuttons_link'
3375: }).
3376: $a->(mt($$link{linktext}), {
3377: href => $$link{url},
3378: title => mt($$link{linktitle}),
3379: class => "LC_menubuttons_link"
3380: }).
3381: (defined($$link{help}) ?
3382: Apache::loncommon::help_open_topic($$link{help}) : ''),
3383: {class => "LC_menubuttons_inline_text"}));
3384: }
3385:
3386: # wrap categorytitle in <h3>, concatenate with
3387: # joined and in <ul> tags wrapped @links
3388: # and wrap everything in an enclosing <div> and push it into
3389: # @categories
3390: # such that each element looks like:
3391: # <div><h3>title</h3><ul><li>...</li>...</ul></div>
3392: # the category won't be added if there aren't any links
3393: push(@categories,
3394: $div->($h3->(mt($$category{categorytitle}), {class=>"LC_hcell"}).
3395: $ul->(join('' ,@links), {class =>"LC_ListStyleNormal" }),
3396: {class=>"LC_Box LC_400Box"})) if scalar(@links);
3397: }
3398:
3399: # wrap the joined @categories in another <div> (column layout)
3400: return $div->(join('', @categories), {class => "LC_columnSection"});
3401: }
3402:
3403: ##############################################
3404: ##############################################
3405:
3406: =pod
3407:
3408: =item &start_funclist()
3409:
3410: Start list of available functions
3411:
3412: Typically used to offer a simple list of available functions
3413: at top or bottom of page.
3414: All available functions/actions for the current page
3415: should be included in this list.
3416:
3417: If the optional headline text is not provided, a default text will be used.
3418:
3419:
3420: Related routines:
3421: =over 4
3422: add_item_funclist
3423: end_funclist
3424: =back
3425:
3426:
3427: Inputs: (optional) headline text
3428:
3429: Returns: HTML code with function list start
3430:
3431: =cut
3432:
3433: ##############################################
3434: ##############################################
3435:
3436: sub start_funclist {
3437: my($legendtext)=@_;
3438: $legendtext=&mt('Functions') if !$legendtext;
3439: return '<ul class="LC_funclist"><li style="font-weight:bold; margin-left:0.8em;">'.$legendtext.'</li>'."\n";
3440: }
3441:
3442:
3443: ##############################################
3444: ##############################################
3445:
3446: =pod
3447:
3448: =item &add_item_funclist()
3449:
3450: Adds an item to the list of available functions
3451:
3452: Related routines:
3453: =over 4
3454: start_funclist
3455: end_funclist
3456: =back
3457:
3458: Inputs: content item with text and link to function
3459:
3460: Returns: HTML code with list item for funclist
3461:
3462: =cut
3463:
3464: ##############################################
3465: ##############################################
3466:
3467: sub add_item_funclist {
3468: my($content) = @_;
3469: return '<li>'.$content.'</li>'."\n";
3470: }
3471:
3472: =pod
3473:
3474: =item &end_funclist()
3475:
3476: End list of available functions
3477:
3478: Related routines:
3479: =over 4
3480: start_funclist
3481: add_item_funclist
3482: =back
3483:
3484: Inputs: ./.
3485:
3486: Returns: HTML code with function list end
3487: =cut
3488:
3489: sub end_funclist {
3490: return "</ul>\n";
3491: }
3492:
3493: =pod
3494:
3495: =item &funclist_from_array( \@array, {legend => 'text for legend'} )
3496:
3497: Constructs a XHTML list from \@array with the first item being visually
3498: highlighted and set to the value of legend or 'Functions' if legend is
3499: empty.
3500:
3501: =over
3502:
3503: =item \@array
3504:
3505: A reference to the array containing text that will be wrapped in <li></li> tags.
3506:
3507: =item { legend => 'text' }
3508:
3509: A string that's used as visually highlighted first item. 'Functions' is used if
3510: it's value evaluates to false.
3511:
3512: =back
3513:
3514: returns: XHTML list as string.
3515:
3516: =back
3517:
3518: =cut
3519:
3520: sub funclist_from_array {
3521: my ($items, $args) = @_;
3522: return unless(ref($items) eq 'ARRAY');
3523: $args->{legend} ||= mt('Functions');
3524: return list_from_array( [$args->{legend}, @$items],
3525: { listattr => {class => 'LC_funclist'} });
3526: }
3527:
3528: 1;
3529:
3530: __END__
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