Annotation of loncom/interface/lonhtmlcommon.pm, revision 1.308
1.2 www 1: # The LearningOnline Network with CAPA
2: # a pile of common html routines
3: #
1.308 ! raeburn 4: # $Id: lonhtmlcommon.pm,v 1.307 2012/04/04 10:47:29 foxr Exp $
1.2 www 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: #
1.10 matthew 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: ######################################################################
1.2 www 55:
1.1 stredwic 56: package Apache::lonhtmlcommon;
57:
1.104 albertel 58: use strict;
1.10 matthew 59: use Time::Local;
1.47 sakharuk 60: use Time::HiRes;
1.30 www 61: use Apache::lonlocal;
1.104 albertel 62: use Apache::lonnet;
1.286 www 63: use HTML::Entities();
1.130 www 64: use LONCAPA;
1.1 stredwic 65:
1.284 www 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: }
1.247 www 71:
72: sub coursepreflink {
73: my ($text,$category)=@_;
74: if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) {
1.296 www 75: return '<a target="_top" href="'.&HTML::Entities::encode("/adm/courseprefs?phase=display&actions=$category",'<>&"').'"><span class="LC_setting">'.$text.'</span></a>';
1.247 www 76: } else {
77: return '';
78: }
79: }
80:
1.253 www 81: sub raw_href_to_link {
82: my ($message)=@_;
1.264 faziophi 83: $message=~s/(https?\:\/\/[^\s\'\"\<]+)([\s\<]|$)/<a href="$1"><tt>$1<\/tt><\/a>$2/gi;
1.253 www 84: return $message;
85: }
86:
1.286 www 87: sub entity_encode {
88: my ($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')) {
1.296 www 98: return "<a target='_top' href='/adm/parmset?symb=$symb&filter=$filter&part=$part'><span class='LC_setting'>$linktext</span></a>";
1.286 www 99: } else {
100: return $linktext;
101: }
102: }
1.208 www 103: ##############################################
104: ##############################################
105:
106: =item confirm_success
107:
108: Successful completion of an operation message
109:
110: =cut
111:
112: sub confirm_success {
1.209 www 113: my ($message,$failure)=@_;
114: if ($failure) {
1.265 wenzelju 115: return '<span class="LC_error" style="font-size: inherit;">'."\n"
1.218 bisitz 116: .'<img src="/adm/lonIcons/navmap.wrong.gif" alt="'.&mt('Error').'" /> '."\n"
1.211 bisitz 117: .$message."\n"
118: .'</span>'."\n";
1.209 www 119: } else {
1.211 bisitz 120: return '<span class="LC_success">'."\n"
1.233 raeburn 121: .'<img src="/adm/lonIcons/navmap.correct.gif" alt="'.&mt('OK').'" /> '."\n"
1.211 bisitz 122: .$message."\n"
123: .'</span>'."\n";
1.209 www 124: }
1.208 www 125: }
1.176 foxr 126:
127: ##############################################
128: ##############################################
129:
130: =pod
131:
1.177 raeburn 132: =item dragmath_button
1.176 foxr 133:
1.177 raeburn 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.
1.176 foxr 139:
140: =cut
141:
1.177 raeburn 142: sub dragmath_button {
143: my ($textarea,$helpicon) = @_;
144: my $help_text;
145: if ($helpicon) {
1.282 raeburn 146: $help_text = &Apache::loncommon::help_open_topic('Authoring_Math_Editor',undef,undef,undef,undef,'mathhelpicon_'.$textarea);
1.177 raeburn 147: }
1.178 bisitz 148: my $buttontext=&mt('Edit Math');
1.177 raeburn 149: return <<ENDDRAGMATH;
1.246 bisitz 150: <input type="button" value="$buttontext" onclick="javascript:mathedit('$textarea',document)" />$help_text
1.177 raeburn 151: ENDDRAGMATH
152: }
153:
1.176 foxr 154: ##############################################
155:
1.177 raeburn 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: =cut
1.176 foxr 163:
1.177 raeburn 164: sub dragmath_js {
1.182 foxr 165: my ($popup) = @_;
1.177 raeburn 166: return <<ENDDRAGMATHJS;
167: <script type="text/javascript">
1.218 bisitz 168: // <![CDATA[
1.176 foxr 169: function mathedit(textarea, doc) {
170: targetEntry = textarea;
1.177 raeburn 171: targetDoc = doc;
1.182 foxr 172: newwin = window.open("/adm/dragmath/applet/$popup.html","","width=565,height=500,resizable");
1.176 foxr 173: }
1.218 bisitz 174: // ]]>
1.176 foxr 175: </script>
1.177 raeburn 176:
177: ENDDRAGMATHJS
1.176 foxr 178: }
179:
1.182 foxr 180:
1.40 www 181: ##############################################
182: ##############################################
183:
184: =pod
185:
186: =item authorbombs
187:
188: =cut
189:
190: ##############################################
191: ##############################################
192:
193: sub authorbombs {
194: my $url=shift;
195: $url=&Apache::lonnet::declutter($url);
1.155 albertel 196: my ($udom,$uname)=($url=~m{^($LONCAPA::domain_re)/($LONCAPA::username_re)/});
1.40 www 197: my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom);
1.232 raeburn 198: foreach my $bomb (keys(%bombs)) {
199: if ($bomb =~ /^$udom\/$uname\//) {
1.40 www 200: return '<a href="/adm/bombs/'.$url.
1.218 bisitz 201: '"><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/bomb.gif').'" alt="'.&mt('Bomb').'" border="0" /></a>'.
1.40 www 202: &Apache::loncommon::help_open_topic('About_Bombs');
203: }
204: }
205: return '';
206: }
1.26 matthew 207:
208: ##############################################
209: ##############################################
210:
1.41 www 211: sub recent_filename {
212: my $area=shift;
1.130 www 213: return 'nohist_recent_'.&escape($area);
1.41 www 214: }
215:
216: sub store_recent {
1.136 albertel 217: my ($area,$name,$value,$freeze)=@_;
1.41 www 218: my $file=&recent_filename($area);
219: my %recent=&Apache::lonnet::dump($file);
1.111 www 220: if (scalar(keys(%recent))>20) {
1.41 www 221: # remove oldest value
1.136 albertel 222: my $oldest=time();
1.41 www 223: my $delkey='';
1.136 albertel 224: foreach my $item (keys(%recent)) {
225: my $thistime=(split(/\&/,$recent{$item}))[0];
226: if (($thistime ne "always_include") && ($thistime<$oldest)) {
1.41 www 227: $oldest=$thistime;
1.136 albertel 228: $delkey=$item;
1.41 www 229: }
230: }
231: &Apache::lonnet::del($file,[$delkey]);
232: }
233: # store new value
1.136 albertel 234: my $timestamp;
235: if ($freeze) {
236: $timestamp = "always_include";
237: } else {
238: $timestamp = time();
239: }
1.41 www 240: &Apache::lonnet::put($file,{ $name =>
1.136 albertel 241: $timestamp.'&'.&escape($value) });
1.41 www 242: }
243:
1.89 banghart 244: sub remove_recent {
245: my ($area,$names)=@_;
246: my $file=&recent_filename($area);
247: return &Apache::lonnet::del($file,$names);
248: }
249:
1.41 www 250: sub select_recent {
251: my ($area,$fieldname,$event)=@_;
252: my %recent=&Apache::lonnet::dump(&recent_filename($area));
253: my $return="\n<select name='$fieldname'".
1.96 albertel 254: ($event?" onchange='$event'":'').
1.41 www 255: ">\n<option value=''>--- ".&mt('Recent')." ---</option>";
1.136 albertel 256: foreach my $value (sort(keys(%recent))) {
257: unless ($value =~/^error\:/) {
258: my $escaped = &Apache::loncommon::escape_url($value);
1.160 albertel 259: &Apache::loncommon::inhibit_menu_check(\$escaped);
1.251 raeburn 260: if ($area eq 'residx') {
261: next if ((!&Apache::lonnet::allowed('bre',$value)) && (!&Apache::lonnet::allowed('bro',$value)));
262: }
1.94 foxr 263: $return.="\n<option value='$escaped'>".
1.136 albertel 264: &unescape((split(/\&/,$recent{$value}))[1]).
1.41 www 265: '</option>';
266: }
267: }
268: $return.="\n</select>\n";
269: return $return;
270: }
271:
1.97 albertel 272: sub get_recent {
273: my ($area, $n) = @_;
274: my %recent=&Apache::lonnet::dump(&recent_filename($area));
275:
276: # Create hash with key as time and recent as value
1.136 albertel 277: # Begin filling return_hash with any 'always_include' option
1.97 albertel 278: my %time_hash = ();
1.136 albertel 279: my %return_hash = ();
1.232 raeburn 280: foreach my $item (keys(%recent)) {
1.136 albertel 281: my ($thistime,$thisvalue)=(split(/\&/,$recent{$item}));
282: if ($thistime eq 'always_include') {
283: $return_hash{$item} = &unescape($thisvalue);
284: $n--;
285: } else {
286: $time_hash{$thistime} = $item;
1.133 albertel 287: }
1.97 albertel 288: }
289:
290: # Sort by decreasing time and return key value pairs
291: my $idx = 1;
1.136 albertel 292: foreach my $item (reverse(sort(keys(%time_hash)))) {
293: $return_hash{$time_hash{$item}} =
294: &unescape((split(/\&/,$recent{$time_hash{$item}}))[1]);
1.97 albertel 295: if ($n && ($idx++ >= $n)) {last;}
296: }
297:
298: return %return_hash;
299: }
300:
1.136 albertel 301: sub get_recent_frozen {
302: my ($area) = @_;
303: my %recent=&Apache::lonnet::dump(&recent_filename($area));
304:
305: # Create hash with all 'frozen' items
306: my %return_hash = ();
307: foreach my $item (keys(%recent)) {
308: my ($thistime,$thisvalue)=(split(/\&/,$recent{$item}));
309: if ($thistime eq 'always_include') {
310: $return_hash{$item} = &unescape($thisvalue);
311: }
312: }
313: return %return_hash;
314: }
315:
1.97 albertel 316:
1.41 www 317:
1.26 matthew 318: =pod
319:
320: =item textbox
321:
322: =cut
323:
324: ##############################################
325: ##############################################
326: sub textbox {
327: my ($name,$value,$size,$special) = @_;
328: $size = 40 if (! defined($size));
1.128 albertel 329: $value = &HTML::Entities::encode($value,'<>&"');
1.26 matthew 330: my $Str = '<input type="text" name="'.$name.'" size="'.$size.'" '.
331: 'value="'.$value.'" '.$special.' />';
332: return $Str;
333: }
334:
335: ##############################################
336: ##############################################
337:
338: =pod
339:
340: =item checkbox
341:
342: =cut
343:
344: ##############################################
345: ##############################################
346: sub checkbox {
1.68 matthew 347: my ($name,$checked,$value) = @_;
348: my $Str = '<input type="checkbox" name="'.$name.'" ';
349: if (defined($value)) {
350: $Str .= 'value="'.$value.'"';
351: }
352: if ($checked) {
1.206 bisitz 353: $Str .= ' checked="checked"';
1.68 matthew 354: }
355: $Str .= ' />';
1.26 matthew 356: return $Str;
357: }
358:
1.120 albertel 359:
360: =pod
361:
362: =item radiobutton
363:
364: =cut
365:
366: ##############################################
367: ##############################################
368: sub radio {
369: my ($name,$checked,$value) = @_;
370: my $Str = '<input type="radio" name="'.$name.'" ';
371: if (defined($value)) {
372: $Str .= 'value="'.$value.'"';
373: }
374: if ($checked eq $value) {
1.206 bisitz 375: $Str .= ' checked="checked"';
1.120 albertel 376: }
377: $Str .= ' />';
378: return $Str;
379: }
380:
1.10 matthew 381: ##############################################
382: ##############################################
383:
384: =pod
385:
386: =item &date_setter
387:
1.22 matthew 388: &date_setter returns html and javascript for a compact date-setting form.
389: To retrieve values from it, use &get_date_from_form().
390:
1.10 matthew 391: Inputs
392:
393: =over 4
394:
395: =item $dname
396:
397: The name to prepend to the form elements.
398: The form elements defined will be dname_year, dname_month, dname_day,
399: dname_hour, dname_min, and dname_sec.
400:
401: =item $currentvalue
402:
403: The current setting for this time parameter. A unix format time
404: (time in seconds since the beginning of Jan 1st, 1970, GMT.
1.257 faziophi 405: An undefined value is taken to indicate the value is the current time
406: unless it is requested to leave it empty. See $includeempty.
1.10 matthew 407: Also, to be explicit, a value of 'now' also indicates the current time.
408:
1.26 matthew 409: =item $special
410:
411: Additional html/javascript to be associated with each element in
412: the date_setter. See lonparmset for example usage.
413:
1.59 matthew 414: =item $includeempty
415:
1.257 faziophi 416: If it is set (true) and no date/time value is provided,
417: the date/time fields are left empty.
418:
1.59 matthew 419: =item $state
420:
421: Specifies the initial state of the form elements. Either 'disabled' or empty.
422: Defaults to empty, which indiciates the form elements are not disabled.
423:
1.22 matthew 424: =back
425:
426: Bugs
427:
428: The method used to restrict user input will fail in the year 2400.
429:
1.10 matthew 430: =cut
431:
432: ##############################################
433: ##############################################
434: sub date_setter {
1.67 matthew 435: my ($formname,$dname,$currentvalue,$special,$includeempty,$state,
1.134 raeburn 436: $no_hh_mm_ss,$defhour,$defmin,$defsec,$nolink) = @_;
1.175 raeburn 437: my $now = time;
1.257 faziophi 438:
439: my $tzname;
440: my ($sec,$min,$hour,$mday,$month,$year) = ('', '', undef,''.''.'');
441: #other potentially useful values: wkday,yrday,is_daylight_savings
442:
1.59 matthew 443: if (! defined($state) || $state ne 'disabled') {
444: $state = '';
445: }
1.67 matthew 446: if (! defined($no_hh_mm_ss)) {
447: $no_hh_mm_ss = 0;
448: }
1.110 www 449: if ($currentvalue eq 'now') {
1.257 faziophi 450: $currentvalue = $now;
1.110 www 451: }
1.257 faziophi 452:
453: # Default value: Set empty date field to current time
454: # unless empty inclusion is requested
455: if ((!$includeempty) && (!$currentvalue)) {
456: $currentvalue = $now;
1.10 matthew 457: }
1.257 faziophi 458: # Do we have a date? Split it!
1.39 www 459: if ($currentvalue) {
1.257 faziophi 460: ($tzname,$sec,$min,$hour,$mday,$month,$year) = &get_timedates($currentvalue);
461:
462: #No values provided for hour, min, sec? Use default 0
463: if (($defhour) || ($defmin) || ($defsec)) {
464: $sec = ($defsec ? $defsec : 0);
465: $min = ($defmin ? $defmin : 0);
466: $hour = ($defhour ? $defhour : 0);
467: }
1.107 www 468: }
1.10 matthew 469: my $result = "\n<!-- $dname date setting form -->\n";
470: $result .= <<ENDJS;
1.135 albertel 471: <script type="text/javascript">
1.218 bisitz 472: // <![CDATA[
1.10 matthew 473: function $dname\_checkday() {
474: var day = document.$formname.$dname\_day.value;
475: var month = document.$formname.$dname\_month.value;
476: var year = document.$formname.$dname\_year.value;
477: var valid = true;
478: if (day < 1) {
479: document.$formname.$dname\_day.value = 1;
480: }
481: if (day > 31) {
482: document.$formname.$dname\_day.value = 31;
483: }
484: if ((month == 1) || (month == 3) || (month == 5) ||
485: (month == 7) || (month == 8) || (month == 10) ||
486: (month == 12)) {
487: if (day > 31) {
488: document.$formname.$dname\_day.value = 31;
489: day = 31;
490: }
491: } else if (month == 2 ) {
492: if ((year % 4 == 0) && (year % 100 != 0)) {
493: if (day > 29) {
494: document.$formname.$dname\_day.value = 29;
495: }
496: } else if (day > 29) {
497: document.$formname.$dname\_day.value = 28;
498: }
499: } else if (day > 30) {
500: document.$formname.$dname\_day.value = 30;
501: }
502: }
1.95 matthew 503:
1.59 matthew 504: function $dname\_disable() {
505: document.$formname.$dname\_month.disabled=true;
506: document.$formname.$dname\_day.disabled=true;
507: document.$formname.$dname\_year.disabled=true;
508: document.$formname.$dname\_hour.disabled=true;
509: document.$formname.$dname\_minute.disabled=true;
510: document.$formname.$dname\_second.disabled=true;
511: }
512:
513: function $dname\_enable() {
514: document.$formname.$dname\_month.disabled=false;
515: document.$formname.$dname\_day.disabled=false;
516: document.$formname.$dname\_year.disabled=false;
517: document.$formname.$dname\_hour.disabled=false;
518: document.$formname.$dname\_minute.disabled=false;
519: document.$formname.$dname\_second.disabled=false;
520: }
521:
1.29 www 522: function $dname\_opencalendar() {
1.59 matthew 523: if (! document.$formname.$dname\_month.disabled) {
524: var calwin=window.open(
1.29 www 525: "/adm/announcements?pickdate=yes&formname=$formname&element=$dname&month="+
526: document.$formname.$dname\_month.value+"&year="+
527: document.$formname.$dname\_year.value,
528: "LONCAPAcal",
529: "height=350,width=350,scrollbars=yes,resizable=yes,menubar=no");
1.59 matthew 530: }
1.29 www 531:
532: }
1.218 bisitz 533: // ]]>
1.10 matthew 534: </script>
535: ENDJS
1.192 bisitz 536: $result .= ' <span class="LC_nobreak">';
1.96 albertel 537: my $monthselector = qq{<select name="$dname\_month" $special $state onchange="javascript:$dname\_checkday()" >};
1.67 matthew 538: # Month
1.10 matthew 539: my @Months = qw/January February March April May June
540: July August September October November December/;
541: # Pad @Months with a bogus value to make indexing easier
542: unshift(@Months,'If you can read this an error occurred');
1.95 matthew 543: if ($includeempty) { $monthselector.="<option value=''></option>"; }
1.10 matthew 544: for(my $m = 1;$m <=$#Months;$m++) {
1.228 bisitz 545: $monthselector .= qq{ <option value="$m"};
546: $monthselector .= ' selected="selected"' if ($m-1 eq $month);
547: $monthselector .= '> '.&mt($Months[$m]).' </option>'."\n";
1.10 matthew 548: }
1.95 matthew 549: $monthselector.= ' </select>';
1.67 matthew 550: # Day
1.96 albertel 551: my $dayselector = qq{<input type="text" name="$dname\_day" $state value="$mday" size="3" $special onchange="javascript:$dname\_checkday()" />};
1.67 matthew 552: # Year
1.226 bisitz 553: my $yearselector = qq{<input type="text" name="$dname\_year" $state value="$year" size="5" $special onchange="javascript:$dname\_checkday()" />};
1.95 matthew 554: #
555: my $hourselector = qq{<select name="$dname\_hour" $special $state >};
556: if ($includeempty) {
557: $hourselector.=qq{<option value=''></option>};
558: }
559: for (my $h = 0;$h<24;$h++) {
1.228 bisitz 560: $hourselector .= qq{<option value="$h"};
561: $hourselector .= ' selected="selected"' if (defined($hour) && $hour == $h);
1.95 matthew 562: $hourselector .= ">";
563: my $timest='';
564: if ($h == 0) {
565: $timest .= "12 am";
566: } elsif($h == 12) {
567: $timest .= "12 noon";
568: } elsif($h < 12) {
569: $timest .= "$h am";
570: } else {
571: $timest .= $h-12 ." pm";
572: }
573: $timest=&mt($timest);
574: $hourselector .= $timest." </option>\n";
575: }
576: $hourselector .= " </select>\n";
577: my $minuteselector = qq{<input type="text" name="$dname\_minute" $special $state value="$min" size="3" />};
578: my $secondselector= qq{<input type="text" name="$dname\_second" $special $state value="$sec" size="3" />};
1.134 raeburn 579: my $cal_link;
580: if (!$nolink) {
581: $cal_link = qq{<a href="javascript:$dname\_opencalendar()">};
582: }
1.95 matthew 583: #
1.175 raeburn 584: my $tzone = ' '.$tzname.' ';
1.95 matthew 585: if ($no_hh_mm_ss) {
1.134 raeburn 586: $result .= &mt('[_1] [_2] [_3] ',
1.174 raeburn 587: $monthselector,$dayselector,$yearselector).
588: $tzone;
1.134 raeburn 589: if (!$nolink) {
1.141 albertel 590: $result .= &mt('[_1]Select Date[_2]',$cal_link,'</a>');
1.134 raeburn 591: }
1.95 matthew 592: } else {
1.134 raeburn 593: $result .= &mt('[_1] [_2] [_3] [_4] [_5]m [_6]s ',
594: $monthselector,$dayselector,$yearselector,
1.174 raeburn 595: $hourselector,$minuteselector,$secondselector).
596: $tzone;
1.134 raeburn 597: if (!$nolink) {
1.141 albertel 598: $result .= &mt('[_1]Select Date[_2]',$cal_link,'</a>');
1.134 raeburn 599: }
1.67 matthew 600: }
1.135 albertel 601: $result .= "</span>\n<!-- end $dname date setting form -->\n";
1.10 matthew 602: return $result;
603: }
604:
1.175 raeburn 605: sub get_timedates {
606: my ($epoch) = @_;
607: my $dt = DateTime->from_epoch(epoch => $epoch)
608: ->set_time_zone(&Apache::lonlocal::gettimezone());
609: my $tzname = $dt->time_zone_short_name();
610: my $sec = $dt->second;
611: my $min = $dt->minute;
612: my $hour = $dt->hour;
613: my $mday = $dt->day;
614: my $month = $dt->month;
615: if ($month) {
616: $month --;
617: }
618: my $year = $dt->year;
619: return ($tzname,$sec,$min,$hour,$mday,$month,$year);
620: }
1.166 banghart 621:
622: sub build_url {
623: my ($base, $fields)=@_;
624: my $url;
625: $url = $base.'?';
1.168 albertel 626: foreach my $key (keys(%$fields)) {
627: $url.=&escape($key).'='.&escape($$fields{$key}).'&';
1.166 banghart 628: }
629: $url =~ s/&$//;
630: return $url;
631: }
632:
633:
1.10 matthew 634: ##############################################
635: ##############################################
636:
1.22 matthew 637: =pod
638:
1.10 matthew 639: =item &get_date_from_form
1.22 matthew 640:
641: get_date_from_form retrieves the date specified in an &date_setter form.
1.10 matthew 642:
643: Inputs:
644:
645: =over 4
646:
647: =item $dname
648:
1.226 bisitz 649: The name passed to &date_setter, which prefixes the form elements.
1.10 matthew 650:
651: =item $defaulttime
652:
653: The unix time to use as the default in case of poor inputs.
654:
655: =back
656:
657: Returns: Unix time represented in the form.
658:
659: =cut
660:
661: ##############################################
662: ##############################################
663: sub get_date_from_form {
664: my ($dname) = @_;
665: my ($sec,$min,$hour,$day,$month,$year);
666: #
1.104 albertel 667: if (defined($env{'form.'.$dname.'_second'})) {
668: my $tmpsec = $env{'form.'.$dname.'_second'};
1.10 matthew 669: if (($tmpsec =~ /^\d+$/) && ($tmpsec >= 0) && ($tmpsec < 60)) {
670: $sec = $tmpsec;
671: }
1.64 albertel 672: if (!defined($tmpsec) || $tmpsec eq '') { $sec = 0; }
1.67 matthew 673: } else {
674: $sec = 0;
1.10 matthew 675: }
1.104 albertel 676: if (defined($env{'form.'.$dname.'_minute'})) {
677: my $tmpmin = $env{'form.'.$dname.'_minute'};
1.10 matthew 678: if (($tmpmin =~ /^\d+$/) && ($tmpmin >= 0) && ($tmpmin < 60)) {
679: $min = $tmpmin;
680: }
1.64 albertel 681: if (!defined($tmpmin) || $tmpmin eq '') { $min = 0; }
1.67 matthew 682: } else {
683: $min = 0;
1.10 matthew 684: }
1.104 albertel 685: if (defined($env{'form.'.$dname.'_hour'})) {
686: my $tmphour = $env{'form.'.$dname.'_hour'};
1.33 matthew 687: if (($tmphour =~ /^\d+$/) && ($tmphour >= 0) && ($tmphour < 24)) {
1.10 matthew 688: $hour = $tmphour;
689: }
1.67 matthew 690: } else {
691: $hour = 0;
1.10 matthew 692: }
1.104 albertel 693: if (defined($env{'form.'.$dname.'_day'})) {
694: my $tmpday = $env{'form.'.$dname.'_day'};
1.10 matthew 695: if (($tmpday =~ /^\d+$/) && ($tmpday > 0) && ($tmpday < 32)) {
696: $day = $tmpday;
697: }
698: }
1.104 albertel 699: if (defined($env{'form.'.$dname.'_month'})) {
700: my $tmpmonth = $env{'form.'.$dname.'_month'};
1.10 matthew 701: if (($tmpmonth =~ /^\d+$/) && ($tmpmonth > 0) && ($tmpmonth < 13)) {
1.175 raeburn 702: $month = $tmpmonth;
1.10 matthew 703: }
704: }
1.104 albertel 705: if (defined($env{'form.'.$dname.'_year'})) {
706: my $tmpyear = $env{'form.'.$dname.'_year'};
1.175 raeburn 707: if (($tmpyear =~ /^\d+$/) && ($tmpyear >= 1970)) {
708: $year = $tmpyear;
1.10 matthew 709: }
710: }
1.175 raeburn 711: if (($year<1970) || ($year>2037)) { return undef; }
1.33 matthew 712: if (defined($sec) && defined($min) && defined($hour) &&
1.175 raeburn 713: defined($day) && defined($month) && defined($year)) {
714: my $timezone = &Apache::lonlocal::gettimezone();
715: my $dt = DateTime->new( year => $year,
716: month => $month,
717: day => $day,
718: hour => $hour,
719: minute => $min,
720: second => $sec,
721: time_zone => $timezone,
722: );
723: my $epoch_time = $dt->epoch;
724: if ($epoch_time ne '') {
725: return $epoch_time;
726: } else {
727: return undef;
728: }
1.10 matthew 729: } else {
730: return undef;
731: }
1.20 matthew 732: }
733:
734: ##############################################
735: ##############################################
736:
737: =pod
738:
739: =item &pjump_javascript_definition()
740:
741: Returns javascript defining the 'pjump' function, which opens up a
742: parameter setting wizard.
743:
744: =cut
745:
746: ##############################################
747: ##############################################
748: sub pjump_javascript_definition {
749: my $Str = <<END;
1.109 www 750: function pjump(type,dis,value,marker,ret,call,hour,min,sec) {
1.295 www 751: openMyModal("/adm/rat/parameter.html?type="+escape(type)
1.20 matthew 752: +"&value="+escape(value)+"&marker="+escape(marker)
753: +"&return="+escape(ret)
1.109 www 754: +"&call="+escape(call)+"&name="+escape(dis)
755: +"&defhour="+escape(hour)+"&defmin="+escape(min)
1.295 www 756: +"&defsec="+escape(sec)+"&modal=1",350,350,'no');
1.20 matthew 757: }
758: END
759: return $Str;
1.10 matthew 760: }
761:
762: ##############################################
763: ##############################################
1.17 matthew 764:
765: =pod
766:
767: =item &javascript_nothing()
768:
769: Return an appropriate null for the users browser. This is used
770: as the first arguement for window.open calls when you want a blank
771: window that you can then write to.
772:
773: =cut
774:
775: ##############################################
776: ##############################################
777: sub javascript_nothing {
778: # mozilla and other browsers work with "''", but IE on mac does not.
779: my $nothing = "''";
780: my $user_browser;
781: my $user_os;
1.104 albertel 782: $user_browser = $env{'browser.type'} if (exists($env{'browser.type'}));
783: $user_os = $env{'browser.os'} if (exists($env{'browser.os'}));
1.17 matthew 784: if (! defined($user_browser) || ! defined($user_os)) {
785: (undef,$user_browser,undef,undef,undef,$user_os) =
786: &Apache::loncommon::decode_user_agent();
787: }
788: if ($user_browser eq 'explorer' && $user_os =~ 'mac') {
789: $nothing = "'javascript:void(0);'";
790: }
791: return $nothing;
792: }
793:
1.90 www 794: ##############################################
795: ##############################################
796: sub javascript_docopen {
1.171 albertel 797: my ($mimetype) = @_;
798: $mimetype ||= 'text/html';
1.90 www 799: # safari does not understand document.open() and loads "text/html"
800: my $nothing = "''";
801: my $user_browser;
802: my $user_os;
1.104 albertel 803: $user_browser = $env{'browser.type'} if (exists($env{'browser.type'}));
804: $user_os = $env{'browser.os'} if (exists($env{'browser.os'}));
1.90 www 805: if (! defined($user_browser) || ! defined($user_os)) {
806: (undef,$user_browser,undef,undef,undef,$user_os) =
807: &Apache::loncommon::decode_user_agent();
808: }
809: if ($user_browser eq 'safari' && $user_os =~ 'mac') {
810: $nothing = "document.clear()";
811: } else {
1.171 albertel 812: $nothing = "document.open('$mimetype','replace')";
1.90 www 813: }
814: return $nothing;
815: }
816:
1.21 matthew 817:
1.17 matthew 818: ##############################################
819: ##############################################
820:
1.21 matthew 821: =pod
1.17 matthew 822:
1.21 matthew 823: =item &StatusOptions()
1.10 matthew 824:
1.21 matthew 825: Returns html for a selection box which allows the user to choose the
826: enrollment status of students. The selection box name is 'Status'.
1.6 stredwic 827:
1.21 matthew 828: Inputs:
1.6 stredwic 829:
1.21 matthew 830: $status: the currently selected status. If undefined the value of
1.104 albertel 831: $env{'form.Status'} is taken. If that is undefined, a value of 'Active'
1.21 matthew 832: is used.
1.6 stredwic 833:
1.21 matthew 834: $formname: The name of the form. If defined the onchange attribute of
835: the selection box is set to document.$formname.submit().
1.6 stredwic 836:
1.21 matthew 837: $size: the size (number of lines) of the selection box.
1.6 stredwic 838:
1.27 matthew 839: $onchange: javascript to use when the value is changed. Enclosed in
840: double quotes, ""s, not single quotes.
841:
1.21 matthew 842: Returns: a perl string as described.
1.1 stredwic 843:
1.21 matthew 844: =cut
1.9 stredwic 845:
1.21 matthew 846: ##############################################
847: ##############################################
848: sub StatusOptions {
1.165 banghart 849: my ($status, $formName,$size,$onchange,$mult)=@_;
1.21 matthew 850: $size = 1 if (!defined($size));
851: if (! defined($status)) {
852: $status = 'Active';
1.104 albertel 853: $status = $env{'form.Status'} if (exists($env{'form.Status'}));
1.9 stredwic 854: }
1.1 stredwic 855:
856: my $Str = '';
857: $Str .= '<select name="Status"';
1.165 banghart 858: if (defined($mult)){
859: $Str .= ' multiple="multiple" ';
860: }
1.27 matthew 861: if(defined($formName) && $formName ne '' && ! defined($onchange)) {
1.1 stredwic 862: $Str .= ' onchange="document.'.$formName.'.submit()"';
1.27 matthew 863: }
864: if (defined($onchange)) {
865: $Str .= ' onchange="'.$onchange.'"';
1.1 stredwic 866: }
1.21 matthew 867: $Str .= ' size="'.$size.'" ';
1.1 stredwic 868: $Str .= '>'."\n";
1.153 raeburn 869: foreach my $type (['Active', &mt('Currently Has Access')],
870: ['Future', &mt('Will Have Future Access')],
871: ['Expired', &mt('Previously Had Access')],
872: ['Any', &mt('Any Access Status')]) {
1.151 albertel 873: my ($name,$label) = @$type;
874: $Str .= '<option value="'.$name.'" ';
875: if ($status eq $name) {
876: $Str .= 'selected="selected" ';
877: }
878: $Str .= '>'.$label.'</option>'."\n";
879: }
880:
1.1 stredwic 881: $Str .= '</select>'."\n";
1.7 stredwic 882: }
1.12 matthew 883:
884: ########################################################
885: ########################################################
1.7 stredwic 886:
1.23 matthew 887: =pod
888:
889: =item Progess Window Handling Routines
890:
891: These routines handle the creation, update, increment, and closure of
892: progress windows. The progress window reports to the user the number
893: of items completed and an estimate of the time required to complete the rest.
894:
895: =over 4
896:
897:
898: =item &Create_PrgWin
899:
900: Writes javascript to the client to open a progress window and returns a
901: data structure used for bookkeeping.
902:
903: Inputs
904:
905: =over 4
906:
907: =item $r Apache request
908:
909: =item $title The title of the progress window
910:
911: =item $heading A description (usually 1 line) of the process being initiated.
912:
913: =item $number_to_do The total number of items being processed.
1.50 albertel 914:
915: =item $type Either 'popup' or 'inline' (popup is assumed if nothing is
916: specified)
917:
1.51 albertel 918: =item $width Specify the width in charaters of the input field.
919:
1.50 albertel 920: =item $formname Only useful in the inline case, if a form already exists, this needs to be used and specfiy the name of the form, otherwise the Progress line will be created in a new form of it's own
921:
922: =item $inputname Only useful in the inline case, if a form and an input of type text exists, use this to specify the name of the input field
1.23 matthew 923:
924: =back
925:
926: Returns a hash containing the progress state data structure.
927:
928:
929: =item &Update_PrgWin
930:
931: Updates the text in the progress indicator. Does not increment the count.
932: See &Increment_PrgWin.
933:
934: Inputs:
935:
936: =over 4
937:
938: =item $r Apache request
939:
940: =item $prog_state Pointer to the data structure returned by &Create_PrgWin
941:
942: =item $displaystring The string to write to the status indicator
943:
944: =back
945:
946: Returns: none
947:
948:
949: =item Increment_PrgWin
950:
1.276 bisitz 951: Increment the count of items completed for the progress window by $step or 1 if no step is provided.
1.23 matthew 952:
953: Inputs:
954:
955: =over 4
956:
957: =item $r Apache request
958:
959: =item $prog_state Pointer to the data structure returned by Create_PrgWin
960:
961: =item $extraInfo A description of the items being iterated over. Typically
962: 'student'.
963:
1.279 bisitz 964: =item $step (optional) counter step. Will be set to default 1 if ommited. step must be greater than 0 or empty.
1.276 bisitz 965:
1.23 matthew 966: =back
967:
968: Returns: none
969:
970:
971: =item Close_PrgWin
972:
973: Closes the progress window.
974:
975: Inputs:
976:
977: =over 4
978:
979: =item $r Apache request
980:
981: =item $prog_state Pointer to the data structure returned by Create_PrgWin
982:
983: =back
984:
985: Returns: none
986:
987: =back
988:
989: =cut
990:
991: ########################################################
992: ########################################################
993:
1.51 albertel 994:
1.7 stredwic 995: # Create progress
996: sub Create_PrgWin {
1.297 www 997: my ($r,$number_to_do)=@_;
1.49 albertel 998: my %prog_state;
1.16 albertel 999: $prog_state{'done'}=0;
1.23 matthew 1000: $prog_state{'firststart'}=&Time::HiRes::time();
1001: $prog_state{'laststart'}=&Time::HiRes::time();
1.16 albertel 1002: $prog_state{'max'}=$number_to_do;
1.297 www 1003: &Apache::loncommon::LCprogressbar($r);
1.14 albertel 1004: return %prog_state;
1.7 stredwic 1005: }
1006:
1007: # update progress
1008: sub Update_PrgWin {
1.14 albertel 1009: my ($r,$prog_state,$displayString)=@_;
1.297 www 1010: &Apache::loncommon::LCprogressbarUpdate($r,undef,$displayString);
1.23 matthew 1011: $$prog_state{'laststart'}=&Time::HiRes::time();
1.14 albertel 1012: }
1013:
1014: # increment progress state
1015: sub Increment_PrgWin {
1.275 bisitz 1016: my ($r,$prog_state,$extraInfo,$step)=@_;
1.279 bisitz 1017: $step = $step > 0 ? $step : 1;
1.275 bisitz 1018: $$prog_state{'done'} += $step;
1019:
1020: # Catch (max modulo step) <> 0
1021: my $current = $$prog_state{'done'};
1022: my $last = ($$prog_state{'max'} - $current);
1023: if ($last <= 0) {
1024: $last = 1;
1025: $current = $$prog_state{'max'};
1026: }
1027:
1.23 matthew 1028: my $time_est= (&Time::HiRes::time() - $$prog_state{'firststart'})/
1.275 bisitz 1029: $current * $last;
1.16 albertel 1030: $time_est = int($time_est);
1.80 matthew 1031: #
1032: my $min = int($time_est/60);
1033: my $sec = $time_est % 60;
1.278 bisitz 1034:
1.23 matthew 1035: my $lasttime = &Time::HiRes::time()-$$prog_state{'laststart'};
1036: if ($lasttime > 9) {
1037: $lasttime = int($lasttime);
1038: } elsif ($lasttime < 0.01) {
1039: $lasttime = 0;
1040: } else {
1041: $lasttime = sprintf("%3.2f",$lasttime);
1042: }
1.278 bisitz 1043:
1044: $sec = 0 if ($min >= 10); # Don't show seconds if remaining time >= 10 min.
1045: $sec = 1 if ( ($min == 0) && ($sec == 0) ); # Little cheating: pretend to have 1 second remaining instead of 0 to have something to display
1046:
1047: my $timeinfo =
1048: &mt('[_1]/[_2]:'
1049: .' [quant,_3,minute,minutes,] [quant,_4,second ,seconds ,]remaining'
1050: .' ([quant,_5,second] for '.$extraInfo.')',
1051: $current,
1052: $$prog_state{'max'},
1053: $min,
1054: $sec,
1055: $lasttime);
1.297 www 1056: my $percent=0;
1057: if ($$prog_state{'max'}) {
1058: $percent=int(100.*$current/$$prog_state{'max'});
1059: }
1060: &Apache::loncommon::LCprogressbarUpdate($r,$percent,$timeinfo);
1.23 matthew 1061: $$prog_state{'laststart'}=&Time::HiRes::time();
1.7 stredwic 1062: }
1063:
1064: # close Progress Line
1065: sub Close_PrgWin {
1.14 albertel 1066: my ($r,$prog_state)=@_;
1.297 www 1067: &Apache::loncommon::LCprogressbarClose($r);
1.48 albertel 1068: undef(%$prog_state);
1069: }
1070:
1.34 www 1071: # ------------------------------------------------------- Puts directory header
1072:
1073: sub crumbs {
1.252 bisitz 1074: my ($uri,$target,$prefix,$form,$skiplast)=@_;
1.303 www 1075: # You cannot crumbnify uploaded or adm resources
1076: if ($uri=~/^\/*(uploaded|adm)\//) { return &mt('(Internal Course/Group Content)'); }
1.100 raeburn 1077: if ($target) {
1078: $target = ' target="'.
1079: &Apache::loncommon::escape_single($target).'"';
1080: }
1.252 bisitz 1081: my $output='<span class="LC_filename">';
1082: $output.=$prefix.'/';
1.249 raeburn 1083: if (($env{'user.adv'}) || ($env{'user.author'})) {
1.252 bisitz 1084: my $path=$prefix.'/';
1085: foreach my $dir (split('/',$uri)) {
1.99 matthew 1086: if (! $dir) { next; }
1087: $path .= $dir;
1.252 bisitz 1088: if ($path eq $uri) {
1089: if ($skiplast) {
1090: $output.=$dir;
1.132 www 1091: last;
1.252 bisitz 1092: }
1093: } else {
1094: $path.='/';
1095: }
1.157 albertel 1096: my $href_path = &HTML::Entities::encode($path,'<>&"');
1.252 bisitz 1097: &Apache::loncommon::inhibit_menu_check(\$href_path);
1098: if ($form) {
1099: my $href = 'javascript:'.$form.".action='".$href_path."';".$form.'.submit();';
1100: $output.=qq{<a href="$href"$target>$dir</a>/};
1101: } else {
1102: $output.=qq{<a href="$href_path"$target>$dir</a>/};
1103: }
1104: }
1.35 www 1105: } else {
1.252 bisitz 1106: foreach my $dir (split('/',$uri)) {
1.149 albertel 1107: if (! $dir) { next; }
1.252 bisitz 1108: $output.=$dir.'/';
1109: }
1.34 www 1110: }
1.149 albertel 1111: if ($uri !~ m|/$|) { $output=~s|/$||; }
1.252 bisitz 1112: $output.='</span>';
1113:
1.304 foxr 1114:
1.252 bisitz 1115: return $output;
1.34 www 1116: }
1117:
1.85 www 1118: # --------------------- A function that generates a window for the spellchecker
1119:
1120: sub spellheader {
1.123 albertel 1121: my $start_page=
1122: &Apache::loncommon::start_page('Speller Suggestions',undef,
1.140 albertel 1123: {'only_body' => 1,
1124: 'js_ready' => 1,
1125: 'bgcolor' => '#DDDDDD',
1126: 'add_entries' => {
1127: 'onload' =>
1128: 'document.forms.spellcheckform.submit()',
1129: }
1130: });
1.123 albertel 1131: my $end_page=
1132: &Apache::loncommon::end_page({'js_ready' => 1});
1133:
1.105 www 1134: my $nothing=&javascript_nothing();
1.85 www 1135: return (<<ENDCHECK);
1136: <script type="text/javascript">
1.218 bisitz 1137: // <![CDATA[
1.92 albertel 1138: //<!-- BEGIN LON-CAPA Internal
1.85 www 1139: var checkwin;
1140:
1.140 albertel 1141: function spellcheckerwindow(string) {
1142: var esc_string = string.replace(/\"/g,'"');
1.105 www 1143: checkwin=window.open($nothing,'spellcheckwin','height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
1.154 albertel 1144: checkwin.document.writeln('$start_page<form name="spellcheckform" action="/adm/spellcheck" method="post"><input type="hidden" name="text" value="'+esc_string+'" /><\\/form>$end_page');
1.85 www 1145: checkwin.document.close();
1146: }
1.92 albertel 1147: // END LON-CAPA Internal -->
1.218 bisitz 1148: // ]]>
1.85 www 1149: </script>
1150: ENDCHECK
1151: }
1152:
1153: # ---------------------------------- Generate link to spell checker for a field
1154:
1155: sub spelllink {
1156: my ($form,$field)=@_;
1157: my $linktext=&mt('Check Spelling');
1158: return (<<ENDLINK);
1.140 albertel 1159: <a href="javascript:if (typeof(document.$form.onsubmit)!='undefined') { if (document.$form.onsubmit!=null) { document.$form.onsubmit();}};spellcheckerwindow(this.document.forms.$form.$field.value);">$linktext</a>
1.85 www 1160: ENDLINK
1161: }
1162:
1.281 raeburn 1163: # ------------------------------------------------- Output headers for CKEditor
1.124 albertel 1164:
1.52 www 1165: sub htmlareaheaders {
1.255 faziophi 1166: my $s="";
1.260 faziophi 1167: if (&htmlareabrowser()) {
1.255 faziophi 1168: $s.=(<<ENDEDITOR);
1169: <script type="text/javascript" src="/ckeditor/ckeditor.js"></script>
1170: ENDEDITOR
1171: }
1172: $s.=(<<ENDJQUERY);
1.294 raeburn 1173: <script type="text/javascript" src="/adm/jQuery/js/jquery-1.6.2.min.js"></script>
1174: <script type="text/javascript" src="/adm/jQuery/js/jquery-ui-1.8.16.custom.min.js"></script>
1175: <link rel="stylesheet" type="text/css" href="/adm/jQuery/css/smoothness/jquery-ui-1.8.16.custom.css" />
1.301 foxr 1176: <script type="text/javascript" src="/adm/jpicker/js/jpicker-1.1.6.min.js" >
1177: </script>
1178: <link rel="stylesheet" type="text/css" href="/adm/jpicker/css/jPicker-1.1.6.min.css" />
1.304 foxr 1179: <script type='text/javascript' src='/adm/countdown/js/jquery.countdown.js'></script>
1180: <link rel="stylesheet" type="text/css" src='/adm/countdown/css/jquery.countdown.css' />
1.255 faziophi 1181: ENDJQUERY
1182: return $s;
1.52 www 1183: }
1184:
1.76 www 1185: # ----------------------------------------------------------------- Preferences
1186:
1.167 albertel 1187: # ------------------------------------------------- lang to use in html editor
1188: sub htmlarea_lang {
1189: my $lang='en';
1190: if (&mt('htmlarea_lang') ne 'htmlarea_lang') {
1191: $lang=&mt('htmlarea_lang');
1192: }
1193: return $lang;
1194: }
1195:
1.72 www 1196: # ----------------------------------------- Script to activate only some fields
1197:
1198: sub htmlareaselectactive {
1.281 raeburn 1199: my ($args) = @_;
1.76 www 1200: unless (&htmlareabrowser()) { return ''; }
1.262 raeburn 1201: my $output='<script type="text/javascript" defer="defer">'."\n"
1.230 bisitz 1202: .'// <![CDATA['."\n";
1.167 albertel 1203: my $lang = &htmlarea_lang();
1.281 raeburn 1204: my $fullpage = 'false';
1.282 raeburn 1205: my ($dragmath_prefix,$dragmath_helpicon,$dragmath_whitespace);
1.281 raeburn 1206: if (ref($args) eq 'HASH') {
1207: if (exists($args->{'lang'})) {
1208: if ($args->{'lang'} ne '') {
1209: $lang = $args->{'lang'};
1210: }
1211: }
1212: if (exists($args->{'fullpage'})) {
1213: if ($args->{'fullpage'} eq 'true') {
1214: $fullpage = $args->{'fullpage'};
1215: }
1216: }
1217: if (exists($args->{'dragmath'})) {
1218: if ($args->{'dragmath'} ne '') {
1219: $dragmath_prefix = $args->{'dragmath'};
1.282 raeburn 1220: $dragmath_helpicon=&Apache::loncommon::lonhttpdurl("/adm/help/help.png");
1221: $dragmath_whitespace=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/transparent1x1.gif");
1.281 raeburn 1222: }
1223: }
1224: }
1.255 faziophi 1225: $output.='
1226:
1227: function containsBlockHtml(id) {
1.281 raeburn 1228: 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);
1.255 faziophi 1229: return (re >= 0);
1230: }
1231:
1232: function startRichEditor(id) {
1233: CKEDITOR.replace(id,
1234: {
1.281 raeburn 1235: customConfig: "/ckeditor/loncapaconfig.js",
1236: language : "'.$lang.'",
1237: fullPage : '.$fullpage.',
1.255 faziophi 1238: }
1239: );
1240: }
1241:
1242: function destroyRichEditor(id) {
1243: CKEDITOR.instances[id].destroy();
1.72 www 1244: }
1.255 faziophi 1245:
1246: function editorHandler(event) {
1247: var rawid = $(this).attr("id");
1.281 raeburn 1248: var id = new RegExp("LC_rt_(.*)").exec(rawid)[1];
1.255 faziophi 1249: event.preventDefault();
1.281 raeburn 1250: var rt_enabled = $(this).hasClass("LC_enable_rt");
1251: if (rt_enabled) {
1.255 faziophi 1252: startRichEditor(id);
1253: $("#LC_rt_"+id).html("<b>« Plain text</b>");
1254: $("#LC_rt_"+id).attr("title", "Disable rich text formatting and edit in plain text");
1255: $("#LC_rt_"+id).addClass("LC_disable_rt");
1256: $("#LC_rt_"+id).removeClass("LC_enable_rt");
1257: } else {
1258: destroyRichEditor(id);
1259: $("#LC_rt_"+id).html("<b>Rich formatting »</b>");
1260: $("#LC_rt_"+id).attr("title", "Enable rich text formatting (bold, italic, etc.)");
1261: $("#LC_rt_"+id).addClass("LC_enable_rt");
1262: $("#LC_rt_"+id).removeClass("LC_disable_rt");
1.281 raeburn 1263: }';
1264: if ($dragmath_prefix ne '') {
1265: $output .= "\n var visible = '';
1266: if (rt_enabled) {
1267: visible = 'none';
1268: }
1269: editmath_visibility(id,visible);\n";
1270: }
1271: $output .= '
1272: }
1.255 faziophi 1273: $(document).ready(function(){
1274: $(".LC_richAlwaysOn").each(function() {
1275: startRichEditor($(this).attr("id"));
1276: });
1277: $(".LC_richDetectHtml").each(function() {
1278: var id = $(this).attr("id");
1.281 raeburn 1279: var rt_enabled = containsBlockHtml(id);
1280: if(rt_enabled) {
1.255 faziophi 1281: $(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>");
1282: startRichEditor(id);
1.281 raeburn 1283: $("#LC_rt_"+id).click(editorHandler);
1.255 faziophi 1284: }
1285: else {
1286: $(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>");
1287: $("#LC_rt_"+id).click(editorHandler);
1.281 raeburn 1288: }';
1289: if ($dragmath_prefix ne '') {
1290: $output .= "\n var visible = '';
1291: if (rt_enabled) {
1292: visible = 'none';
1293: }
1294: editmath_visibility(id,visible);\n";
1295: }
1296: $output .= '
1.255 faziophi 1297: });
1298: $(".LC_richDefaultOn").each(function() {
1299: var id = $(this).attr("id");
1300: $(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>");
1301: startRichEditor(id);
1302: $("#LC_rt_"+id).click(editorHandler);
1303: });
1304: $(".LC_richDefaultOff").each(function() {
1305: var id = $(this).attr("id");
1306: $(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>");
1.281 raeburn 1307: $("#LC_rt_"+id).click(editorHandler);
1.255 faziophi 1308: });
1.301 foxr 1309: $.fn.jPicker.defaults.images.clientPath="/adm/jpicker/images/";
1310: $(".colorchooser").jPicker();
1311:
1.304 foxr 1312:
1.302 foxr 1313: });
1.281 raeburn 1314: ';
1.306 foxr 1315: # Code to put a due date countdown in 'duedatecountdown' span.
1316: # This is currently located in the breadcrumb headers.
1317: # note that the dueDateLayout is internatinoalized below.
1318: # Here document is used to support the substitution into the javascript below.
1.307 foxr 1319: # ..which unforunately necessitates escaping the $'s in the javascript.
1320: # There are several times of importance
1321: #
1322: # serverDueDate - The absolute time at which the problem expires.
1323: # serverTime - The server's time when the problem finished computing.
1324: # clientTime - The client's time...as close to serverTime as possible.
1325: # The clientTime will be slightly later due to
1326: # 1. The latency between problem computation and
1327: # the first network action.
1328: # 2. The time required between the page load-start and the actual
1329: # initial javascript execution that got clientTime.
1330: # These are used as follows:
1331: # The difference between clientTime and serverTime are used to
1332: # correct for differences in clock settings between the browser's system and the
1333: # server's.
1334: #
1335: # The difference between clientTime and the time at which the ready() method
1336: # starts executing is used to estimate latencies for page load and submission.
1337: # Since this is an estimate, it is doubled. The latency estimate + one minute
1338: # is used to determine when the countdown timer turns red to warn the user
1339: # to think about submitting.
1.306 foxr 1340:
1.307 foxr 1341: my $dueDateLayout = '<b>' . &mt('Due in: {dn} {dl} {hnn}{sep}{mnn}{sep}{snn} - Submit early!') . '</b>';
1.306 foxr 1342: $output .= <<JAVASCRIPT;
1.307 foxr 1343:
1344: var documentReadyTime;
1345:
1.306 foxr 1346: \$(document).ready(function() {
1347: if (typeof(dueDate) != "undefined") {
1.307 foxr 1348: documentReadyTime = (new Date()).getTime();
1.306 foxr 1349: \$("#duedatecountdown").countdown({until: dueDate, compact: true,
1350: layout: "$dueDateLayout",
1351: onTick: function (periods) {
1.307 foxr 1352: var latencyEstimate = (documentReadyTime - clientTime) * 2;
1353: if(\$.countdown.periodsToSeconds(periods) < (60 + latencyEstimate)) {
1.306 foxr 1354: \$(this).css("color", "red"); //Highlight last minute.
1355: }
1356: }
1357: });
1358: }
1359: });
1360: JAVASCRIPT
1.281 raeburn 1361: if ($dragmath_prefix ne '') {
1362: $output .= '
1363:
1364: function editmath_visibility(id,value) {
1365:
1366: if ((id == "") || (id == null)) {
1367: return;
1368: }
1369: var mathid = "'.$dragmath_prefix.'_"+id;
1370: mathele = document.getElementById(mathid);
1371: if (mathele == null) {
1372: return;
1373: }
1374: mathele.style.display = value;
1.282 raeburn 1375: var mathhelpicon = "'.$dragmath_prefix.'helpicon'.'_"+id;
1376: mathhelpiconele = document.getElementById(mathhelpicon);
1377: if (mathhelpiconele == null) {
1378: return;
1379: }
1380: if (value == "none") {
1381: mathhelpiconele.src = "'.$dragmath_whitespace.'";
1382: } else {
1383: mathhelpiconele.src = "'.$dragmath_helpicon.'";
1384: }
1.281 raeburn 1385: }
1386: ';
1387:
1388: }
1.218 bisitz 1389: $output.="\nwindow.status='Activated Editfields';\n"
1.230 bisitz 1390: .'// ]]>'."\n"
1.281 raeburn 1391: .'</script>';
1.72 www 1392: return $output;
1393: }
1394:
1.61 www 1395: # --------------------------------------------------------------------- Blocked
1396:
1397: sub htmlareablocked {
1.104 albertel 1398: unless ($env{'environment.wysiwygeditor'} eq 'on') { return 1; }
1.71 www 1399: return 0;
1.52 www 1400: }
1401:
1402: # ---------------------------------------- Browser capable of running HTMLArea?
1403:
1404: sub htmlareabrowser {
1405: return 1;
1406: }
1.53 matthew 1407:
1.287 www 1408: #
1409: # Should the "return to content" link be shown?
1410: #
1411:
1412: sub show_return_link {
1.289 www 1413:
1414: unless ($env{'request.course.id'}) { return 0; }
1415: if ($env{'request.noversionuri'}=~m{^/priv/} ||
1416: $env{'request.uri'}=~m{^/~}) { return 1; }
1417:
1.287 www 1418: if (($env{'request.noversionuri'} =~ m{^/adm/(viewclasslist|navmaps)($|\?)})
1419: || ($env{'request.noversionuri'} =~ m{^/adm/.*/aboutme($|\?)})) {
1420:
1421: return if ($env{'form.register'});
1422: }
1423: return (($env{'request.noversionuri'}=~m{^/(res|public)/} &&
1424: $env{'request.symb'} eq '')
1425: ||
1426: ($env{'request.noversionuri'}=~ m{^/cgi-bin/printout.pl})
1427: ||
1428: (($env{'request.noversionuri'}=~/^\/adm\//) &&
1429: ($env{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
1430: ($env{'request.noversionuri'}!~
1431: m{^/adm/.*/(smppg|bulletinboard)($|\?)})
1432: ));
1433: }
1434:
1435:
1.304 foxr 1436: ##
1437: # Set the dueDate variable...note this is done in the timezone
1438: # of the browser.
1439: #
1440: # @param epoch relative time at which the problem is due.
1441: #
1442: # @return the javascript fragment to set the date:
1443: #
1444: sub set_due_date {
1445: my $dueStamp = shift;
1446: my $duems = $dueStamp * 1000; # Javascript Date object needs ms not seconds.
1447:
1448: my $now = time()*1000;
1449:
1450: # This slightly obscure bit of javascript sets the dueDate variable
1451: # to the time in the browser at which the problem was due.
1452: # The code should correct for gross differences between the server
1453: # and client's time setting
1454:
1455: my $js = "
1456: <script type='text/javascript'>
1457: //<![CDATA[
1458: var serverDueDate = $duems;
1459: var serverTime = $now;
1460: var clientTime = (new Date()).getTime();
1461: var dueDate = new Date(serverDueDate + (clientTime - serverTime));
1462:
1463: //]]>
1464: </script>
1465: ";
1466:
1.307 foxr 1467: return $js;
1468: }
1469: ##
1470: # Sets the time at which the problem finished computing.
1471: # This just updates the serverTime and clientTime variables above.
1472: # Calling this in e.g. end_problem provides a better estimate of the
1473: # difference beetween the server and client time setting as
1474: # the difference contains less of the latency/problem compute time.
1475: #
1476: sub set_compute_end_time {
1477:
1478: my $now = time()*1000; # Javascript times are in ms.
1479: my $js = "
1480: <script type='text/javascript'>
1481: //<![CDATA[
1482: serverTime = $now;
1483: clientTime = (new Date()).getTime();
1484: //]]>
1485: </script>
1486:
1487: ";
1488: return $js;
1489:
1.304 foxr 1490: }
1491:
1.53 matthew 1492: ############################################################
1493: ############################################################
1494:
1495: =pod
1496:
1497: =item breadcrumbs
1498:
1499: Compiles the previously registered breadcrumbs into an series of links.
1500: Additionally supports a 'component', which will be displayed on the
1.223 droeschl 1501: right side of the breadcrumbs enclosing div (without a link).
1.53 matthew 1502: A link to help for the component will be included if one is specified.
1503:
1504: All inputs can be undef without problems.
1505:
1.223 droeschl 1506: Inputs: $component (the text on the right side of the breadcrumbs trail),
1.53 matthew 1507: $component_help
1.63 albertel 1508: $menulink (boolean, controls whether to include a link to /adm/menu)
1.138 albertel 1509: $helplink (if 'nohelp' don't include the orange help link)
1510: $css_class (optional name for the class to apply to the table for CSS)
1.197 raeburn 1511: $no_mt (optional flag, 1 if &mt() is _not_ to be applied to $component
1512: when including the text on the right.
1.53 matthew 1513: Returns a string containing breadcrumbs for the current page.
1514:
1515: =item clear_breadcrumbs
1516:
1517: Clears the previously stored breadcrumbs.
1518:
1519: =item add_breadcrumb
1520:
1521: Pushes a breadcrumb on the stack of crumbs.
1522:
1523: input: $breadcrumb, a hash reference. The keys 'href','title', and 'text'
1524: are required. If present the keys 'faq' and 'bug' will be used to provide
1.156 albertel 1525: links to the FAQ and bug sites. If the key 'no_mt' is present the 'title'
1526: and 'text' values won't be sent through &mt()
1.53 matthew 1527:
1528: returns: nothing
1529:
1530: =cut
1531:
1532: ############################################################
1533: ############################################################
1534: {
1535: my @Crumbs;
1.242 droeschl 1536: my %tools = ();
1.57 matthew 1537:
1.53 matthew 1538: sub breadcrumbs {
1.216 bisitz 1539: my ($component,$component_help,$menulink,$helplink,$css_class,$no_mt, $CourseBreadcrumbs) = @_;
1.53 matthew 1540: #
1.215 droeschl 1541: $css_class ||= 'LC_breadcrumbs';
1.205 amueller 1542:
1.57 matthew 1543: # Make the faq and bug data cascade
1.223 droeschl 1544: my $faq = '';
1545: my $bug = '';
1546: my $help = '';
1.215 droeschl 1547: # Crumb Symbol
1.223 droeschl 1548: my $crumbsymbol = '»';
1.60 www 1549: # The last breadcrumb does not have a link, so handle it separately.
1.53 matthew 1550: my $last = pop(@Crumbs);
1.57 matthew 1551: #
1.70 matthew 1552: # The first one should be the course or a menu link
1.215 droeschl 1553: if (!defined($menulink)) { $menulink=1; }
1.70 matthew 1554: if ($menulink) {
1555: my $description = 'Menu';
1.172 raeburn 1556: my $no_mt_descr = 0;
1.269 raeburn 1557: if ((exists($env{'request.course.id'})) &&
1558: ($env{'request.course.id'} ne '') &&
1559: ($env{'course.'.$env{'request.course.id'}.'.description'} ne '')) {
1.70 matthew 1560: $description =
1.104 albertel 1561: $env{'course.'.$env{'request.course.id'}.'.description'};
1.172 raeburn 1562: $no_mt_descr = 1;
1.70 matthew 1563: }
1.215 droeschl 1564: $menulink = { href =>'/adm/menu',
1565: title =>'Go to main menu',
1566: target =>'_top',
1567: text =>$description,
1568: no_mt =>$no_mt_descr, };
1569: if($last) {
1570: #$last set, so we have some crumbs
1571: unshift(@Crumbs,$menulink);
1572: } else {
1573: #only menulink crumb present
1574: $last = $menulink;
1575: }
1.53 matthew 1576: }
1.287 www 1577: my $links;
1578: if ((&show_return_link) && (!$CourseBreadcrumbs)) {
1.299 raeburn 1579: my $alttext = &mt('Go Back');
1.298 raeburn 1580: $links=&htmltag( 'a',"<img src='/res/adm/pages/reload.png' border='0' style='vertical-align:middle;' alt='$alttext' />",
1.287 www 1581: { href => '/adm/flip?postdata=return:',
1582: title => &mt("Back to most recent content resource") });
1.299 raeburn 1583: $links=&htmltag('li',$links);
1.287 www 1584: }
1585: $links.= join "",
1.261 droeschl 1586: map {
1587: $faq = $_->{'faq'} if (exists($_->{'faq'}));
1588: $bug = $_->{'bug'} if (exists($_->{'bug'}));
1589: $help = $_->{'help'} if (exists($_->{'help'}));
1590:
1.287 www 1591: my $result = $_->{no_mt} ? $_->{text} : &mt($_->{text});
1.261 droeschl 1592:
1593: if ($_->{href}){
1.287 www 1594: $result = &htmltag( 'a', $result,
1.261 droeschl 1595: { href => $_->{href},
1.287 www 1596: title => $_->{no_mt} ? $_->{title} : &mt($_->{title}),
1.261 droeschl 1597: target => $_->{target}, });
1598: }
1599:
1.287 www 1600: $result = &htmltag( 'li', "$result $crumbsymbol");
1.261 droeschl 1601: } @Crumbs;
1.223 droeschl 1602:
1603: #should the last Element be translated?
1.261 droeschl 1604:
1605: my $lasttext = $last->{'no_mt'} ? $last->{'text'}
1606: : mt( $last->{'text'} );
1607:
1.274 droeschl 1608: # last breadcrumb is the first order heading of a page
1609: # for course breadcrumbs it's just bold
1.304 foxr 1610:
1.287 www 1611: $links .= &htmltag( 'li', htmltag($CourseBreadcrumbs ? 'b' : 'h1',
1.274 droeschl 1612: $lasttext), {title => $lasttext});
1.223 droeschl 1613:
1.304 foxr 1614: $links .= '<li> <span id="duedatecountdown"></span></li>';
1615:
1.54 matthew 1616: my $icons = '';
1.223 droeschl 1617: $faq = $last->{'faq'} if (exists($last->{'faq'}));
1618: $bug = $last->{'bug'} if (exists($last->{'bug'}));
1.106 www 1619: $help = $last->{'help'} if (exists($last->{'help'}));
1620: $component_help=($component_help?$component_help:$help);
1.145 albertel 1621: # if ($faq ne '') {
1622: # $icons .= &Apache::loncommon::help_open_faq($faq);
1623: # }
1.79 raeburn 1624: # if ($bug ne '') {
1625: # $icons .= &Apache::loncommon::help_open_bug($bug);
1626: # }
1.223 droeschl 1627: if ($faq ne '' || $component_help ne '' || $bug ne '') {
1628: $icons .= &Apache::loncommon::help_open_menu($component,
1629: $component_help,
1630: $faq,$bug);
1631: }
1.54 matthew 1632: #
1.304 foxr 1633:
1.205 amueller 1634:
1635:
1.223 droeschl 1636: unless ($CourseBreadcrumbs) {
1.287 www 1637: $links = &htmltag('ol', $links, { id => "LC_MenuBreadcrumbs" });
1.223 droeschl 1638: } else {
1.287 www 1639: $links = &htmltag('ul', $links, { class => "LC_CourseBreadcrumbs" });
1.53 matthew 1640: }
1.223 droeschl 1641:
1.304 foxr 1642:
1.223 droeschl 1643: if ($component) {
1.287 www 1644: $links = &htmltag('span',
1.223 droeschl 1645: ( $no_mt ? $component : mt($component) ).
1646: ( $icons ? $icons : '' ),
1647: { class => 'LC_breadcrumbs_component' } )
1.304 foxr 1648: .$links
1649: ;
1.223 droeschl 1650: }
1651:
1.287 www 1652: &render_tools(\$links);
1653: $links = &htmltag('div', $links,
1.225 bisitz 1654: { id => "LC_breadcrumbs" }) unless ($CourseBreadcrumbs) ;
1.287 www 1655: &render_advtools(\$links);
1.223 droeschl 1656:
1.53 matthew 1657: # Return the @Crumbs stack to what we started with
1658: push(@Crumbs,$last);
1659: shift(@Crumbs);
1.304 foxr 1660:
1661:
1.223 droeschl 1662: # Return the breadcrumb's line
1.304 foxr 1663:
1664:
1665:
1.223 droeschl 1666: return "$links";
1.53 matthew 1667: }
1668:
1669: sub clear_breadcrumbs {
1670: undef(@Crumbs);
1.242 droeschl 1671: undef(%tools);
1.53 matthew 1672: }
1673:
1674: sub add_breadcrumb {
1.232 raeburn 1675: push(@Crumbs,@_);
1.53 matthew 1676: }
1.242 droeschl 1677:
1.261 droeschl 1678: =item add_breadcrumb_tool($category, $html)
1679:
1680: Adds $html to $category of the breadcrumb toolbar container.
1681:
1682: $html is usually a link to a page that invokes a function on the currently
1683: displayed data (e.g. print when viewing a problem)
1684:
1685: Currently there are 3 possible values for $category:
1686:
1687: =over
1688:
1689: =item navigation
1690: left of breadcrumbs line
1691:
1692: =item tools
1693: right of breadcrumbs line
1694:
1695: =item advtools
1696: advanced tools shown in a separate box below breadcrumbs line
1697:
1698: =back
1699:
1700: returns: nothing
1701:
1702: =cut
1.242 droeschl 1703:
1704: sub add_breadcrumb_tool {
1.261 droeschl 1705: my ($category, @html) = @_;
1706: return unless @html;
1.285 raeburn 1707: if (!keys(%tools)) {
1.261 droeschl 1708: %tools = ( navigation => [], tools => [], advtools => []);
1.242 droeschl 1709: }
1.261 droeschl 1710:
1711: #this cleans data received from lonmenu::innerregister
1712: @html = grep {defined $_ && $_ ne ''} @html;
1713: for (@html) {
1714: s/align="(right|left)"//;
1.288 www 1715: # s/<span.*?\/span>// if $category ne 'advtools';
1.261 droeschl 1716: }
1717:
1718: push @{$tools{$category}}, @html;
1.242 droeschl 1719: }
1720:
1.261 droeschl 1721: =item clear_breadcrumb_tools()
1722:
1723: Clears the breadcrumb toolbar container.
1724:
1725: returns: nothing
1726:
1727: =cut
1728:
1.245 droeschl 1729: sub clear_breadcrumb_tools {
1730: undef(%tools);
1731: }
1732:
1.261 droeschl 1733: =item render_tools(\$breadcrumbs)
1734:
1735: Creates html for breadcrumb tools (categories navigation and tools) and inserts
1736: \$breadcrumbs at the correct position.
1737:
1738: input: \$breadcrumbs - a reference to the string containing prepared
1739: breadcrumbs.
1740:
1741: returns: nothing
1742: =cut
1743:
1744: #TODO might split this in separate functions for each category
1745: sub render_tools {
1746: my ($breadcrumbs) = @_;
1.285 raeburn 1747: return unless (keys(%tools));
1.261 droeschl 1748:
1749: my $navigation = list_from_array($tools{navigation},
1750: { listattr => { class=>"LC_breadcrumb_tools_navigation" } });
1751: my $tools = list_from_array($tools{tools},
1752: { listattr => { class=>"LC_breadcrumb_tools_tools" } });
1753: $$breadcrumbs = list_from_array([$navigation, $tools, $$breadcrumbs],
1754: { listattr => { class=>'LC_breadcrumb_tools_outerlist' } });
1755: }
1756:
1757: =item render_advtools(\$breadcrumbs)
1758:
1759: Creates html for advanced tools (category advtools) and inserts \$breadcrumbs
1760: at the correct position.
1761:
1762: input: \$breadcrumbs - a reference to the string containing prepared
1763: breadcrumbs (after render_tools call).
1764:
1765: returns: nothing
1766: =cut
1767:
1768: sub render_advtools {
1769: my ($breadcrumbs) = @_;
1770: return unless (defined $tools{'advtools'})
1771: and (scalar(@{$tools{'advtools'}}) > 0);
1772:
1773: $$breadcrumbs .= Apache::loncommon::head_subbox(
1774: funclist_from_array($tools{'advtools'}) );
1.242 droeschl 1775: }
1.53 matthew 1776:
1.57 matthew 1777: } # End of scope for @Crumbs
1.53 matthew 1778:
1779: ############################################################
1780: ############################################################
1781:
1.112 raeburn 1782: # Nested table routines.
1783: #
1784: # Routines to display form items in a multi-row table with 2 columns.
1785: # Uses nested tables to divide form elements into segments.
1786: # For examples of use see loncom/interface/lonnotify.pm
1787: #
1788: # Can be used in following order: ...
1789: # &start_pick_box()
1790: # row1
1791: # row2
1792: # row3 ... etc.
1.173 raeburn 1793: # &submit_row()
1.161 raeburn 1794: # &end_pick_box()
1.112 raeburn 1795: #
1796: # where row1, row 2 etc. are chosen from &role_select_row,&course_select_row,
1797: # &status_select_row and &email_default_row
1798: #
1799: # Can also be used in following order:
1800: #
1801: # &start_pick_box()
1802: # &row_title()
1803: # &row_closure()
1804: # &row_title()
1805: # &row_closure() ... etc.
1806: # &submit_row()
1807: # &end_pick_box()
1808: #
1809: # In general a &submit_row() call should proceed the call to &end_pick_box(),
1810: # as this routine adds a button for form submission.
1.113 raeburn 1811: # &submit_row() does not require a &row_closure after it.
1.112 raeburn 1812: #
1813: # &start_pick_box() creates a bounding table with 1-pixel wide black border.
1814: # rows should be placed between calls to &start_pick_box() and &end_pick_box.
1815: #
1816: # &row_title() adds a title in the left column for each segment.
1817: # &row_closure() closes a row with a 1-pixel wide black line.
1818: #
1819: # &role_select_row() provides a select box from which to choose 1 or more roles
1820: # &course_select_row provides ways of picking groups of courses
1821: # radio buttons: all, by category or by picking from a course picker pop-up
1822: # note: by category option is only displayed if a domain has implemented
1823: # selection by year, semester, department, number etc.
1824: #
1825: # &status_select_row() provides a select box from which to choose 1 or more
1826: # access types (current access, prior access, and future access)
1827: #
1828: # &email_default_row() provides text boxes for default e-mail suffixes for
1829: # different authentication types in a domain.
1830: #
1831: # &row_title() and &row_closure() are called internally by the &*_select_row
1832: # routines, but can also be called directly to start and end rows which have
1833: # needs that are not accommodated by the *_select_row() routines.
1834:
1.193 bisitz 1835: { # Start: row_count block for pick_box
1836: my @row_count;
1837:
1.112 raeburn 1838: sub start_pick_box {
1.142 albertel 1839: my ($css_class) = @_;
1840: if (defined($css_class)) {
1841: $css_class = 'class="'.$css_class.'"';
1842: } else {
1843: $css_class= 'class="LC_pick_box"';
1844: }
1.193 bisitz 1845: unshift(@row_count,0);
1.112 raeburn 1846: my $output = <<"END";
1.142 albertel 1847: <table $css_class>
1.112 raeburn 1848: END
1849: return $output;
1850: }
1851:
1852: sub end_pick_box {
1.193 bisitz 1853: shift(@row_count);
1.112 raeburn 1854: my $output = <<"END";
1855: </table>
1856: END
1857: return $output;
1858: }
1859:
1.181 bisitz 1860: sub row_headline {
1861: my $output = <<"END";
1862: <tr><td colspan="2">
1863: END
1864: return $output;
1865: }
1866:
1.112 raeburn 1867: sub row_title {
1.243 amueller 1868: my ($title,$css_title_class,$css_value_class, $css_value_furtherAttributes) = @_;
1.193 bisitz 1869: $row_count[0]++;
1870: my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
1.142 albertel 1871: $css_title_class ||= 'LC_pick_box_title';
1872: $css_title_class = 'class="'.$css_title_class.'"';
1873:
1874: $css_value_class ||= 'LC_pick_box_value';
1875:
1.173 raeburn 1876: if ($title ne '') {
1877: $title .= ':';
1878: }
1.112 raeburn 1879: my $output = <<"ENDONE";
1.243 amueller 1880: <tr class="LC_pick_box_row" $css_value_furtherAttributes>
1.142 albertel 1881: <td $css_title_class>
1.173 raeburn 1882: $title
1.112 raeburn 1883: </td>
1.193 bisitz 1884: <td class="$css_value_class $css_class">
1.112 raeburn 1885: ENDONE
1886: return $output;
1887: }
1888:
1889: sub row_closure {
1.143 albertel 1890: my ($no_separator) =@_;
1.113 raeburn 1891: my $output = <<"ENDTWO";
1.112 raeburn 1892: </td>
1893: </tr>
1.143 albertel 1894: ENDTWO
1895: if (!$no_separator) {
1896: $output .= <<"ENDTWO";
1.112 raeburn 1897: <tr>
1.143 albertel 1898: <td colspan="2" class="LC_pick_box_separator">
1.112 raeburn 1899: </td>
1900: </tr>
1901: ENDTWO
1.143 albertel 1902: }
1.112 raeburn 1903: return $output;
1904: }
1905:
1.193 bisitz 1906: } # End: row_count block for pick_box
1907:
1.112 raeburn 1908: sub role_select_row {
1.147 raeburn 1909: my ($roles,$title,$css_class,$show_separate_custom,$cdom,$cnum) = @_;
1.236 raeburn 1910: my $crstype = 'Course';
1911: if ($cdom ne '' && $cnum ne '') {
1912: $crstype = &Apache::loncommon::course_type($cdom.'_'.$cnum);
1913: }
1.116 raeburn 1914: my $output;
1915: if (defined($title)) {
1.142 albertel 1916: $output = &row_title($title,$css_class);
1.116 raeburn 1917: }
1.142 albertel 1918: $output .= qq|
1.198 bisitz 1919: <select name="roles" multiple="multiple">\n|;
1.113 raeburn 1920: foreach my $role (@$roles) {
1.114 raeburn 1921: my $plrole;
1922: if ($role eq 'ow') {
1923: $plrole = &mt('Course Owner');
1.147 raeburn 1924: } elsif ($role eq 'cr') {
1925: if ($show_separate_custom) {
1926: if ($cdom ne '' && $cnum ne '') {
1927: my %course_customroles = &course_custom_roles($cdom,$cnum);
1928: foreach my $crrole (sort(keys(%course_customroles))) {
1929: my ($plcrrole) = ($crrole =~ m|^cr/[^/]+/[^/]+/(.+)$|);
1930: $output .= ' <option value="'.$crrole.'">'.$plcrrole.
1931: '</option>';
1932: }
1933: }
1934: } else {
1935: $plrole = &mt('Custom Role');
1936: }
1.114 raeburn 1937: } else {
1.236 raeburn 1938: $plrole=&Apache::lonnet::plaintext($role,$crstype);
1.114 raeburn 1939: }
1.147 raeburn 1940: if (($role ne 'cr') || (!$show_separate_custom)) {
1941: $output .= ' <option value="'.$role.'">'.$plrole.'</option>';
1942: }
1.112 raeburn 1943: }
1.142 albertel 1944: $output .= qq| </select>\n|;
1.116 raeburn 1945: if (defined($title)) {
1946: $output .= &row_closure();
1947: }
1.112 raeburn 1948: return $output;
1949: }
1950:
1951: sub course_select_row {
1.142 albertel 1952: my ($title,$formname,$totcodes,$codetitles,$idlist,$idlist_titles,
1.280 raeburn 1953: $css_class,$crstype,$standardnames) = @_;
1.142 albertel 1954: my $output = &row_title($title,$css_class);
1.280 raeburn 1955: $output .= &course_selection($formname,$totcodes,$codetitles,$idlist,$idlist_titles,$crstype,$standardnames);
1.169 raeburn 1956: $output .= &row_closure();
1957: return $output;
1958: }
1959:
1960: sub course_selection {
1.280 raeburn 1961: my ($formname,$totcodes,$codetitles,$idlist,$idlist_titles,$crstype,$standardnames) = @_;
1.169 raeburn 1962: my $output = qq|
1.142 albertel 1963: <script type="text/javascript">
1.218 bisitz 1964: // <![CDATA[
1.112 raeburn 1965: function coursePick (formname) {
1966: for (var i=0; i<formname.coursepick.length; i++) {
1.114 raeburn 1967: if (formname.coursepick[i].value == 'category') {
1968: courseSet('');
1969: }
1.112 raeburn 1970: if (!formname.coursepick[i].checked) {
1971: if (formname.coursepick[i].value == 'specific') {
1972: formname.coursetotal.value = 0;
1973: formname.courselist = '';
1974: }
1975: }
1976: }
1977: }
1.114 raeburn 1978: function setPick (formname) {
1979: for (var i=0; i<formname.coursepick.length; i++) {
1980: if (formname.coursepick[i].value == 'category') {
1981: formname.coursepick[i].checked = true;
1982: }
1983: formname.coursetotal.value = 0;
1984: formname.courselist = '';
1985: }
1986: }
1.218 bisitz 1987: // ]]>
1.112 raeburn 1988: </script>
1989: |;
1.237 raeburn 1990:
1991: my ($allcrs,$pickspec);
1992: if ($crstype eq 'Community') {
1993: $allcrs = &mt('All communities');
1994: $pickspec = &mt('Pick specific communities:');
1995: } else {
1996: $allcrs = &mt('All courses');
1997: $pickspec = &mt('Pick specific course(s):');
1998: }
1999:
1.112 raeburn 2000: my $courseform='<b>'.&Apache::loncommon::selectcourse_link
1.237 raeburn 2001: ($formname,'pickcourse','pickdomain','coursedesc','',1,$crstype).'</b>';
2002: $output .= '<input type="radio" name="coursepick" value="all" onclick="coursePick(this.form)" />'.$allcrs.'<br />';
1.112 raeburn 2003: if ($totcodes > 0) {
2004: my $numtitles = @$codetitles;
2005: if ($numtitles > 0) {
1.129 raeburn 2006: $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 />';
1.112 raeburn 2007: $output .= '<table><tr><td>'.$$codetitles[0].'<br />'."\n".
1.280 raeburn 2008: '<select name="'.$standardnames->[0].
1.114 raeburn 2009: '" onChange="setPick(this.form);courseSet('."'$$codetitles[0]'".')">'."\n".
1.112 raeburn 2010: ' <option value="-1" />Select'."\n";
2011: my @items = ();
2012: my @longitems = ();
2013: if ($$idlist{$$codetitles[0]} =~ /","/) {
1.113 raeburn 2014: @items = split(/","/,$$idlist{$$codetitles[0]});
1.112 raeburn 2015: } else {
2016: $items[0] = $$idlist{$$codetitles[0]};
2017: }
2018: if (defined($$idlist_titles{$$codetitles[0]})) {
2019: if ($$idlist_titles{$$codetitles[0]} =~ /","/) {
1.113 raeburn 2020: @longitems = split(/","/,$$idlist_titles{$$codetitles[0]});
1.112 raeburn 2021: } else {
2022: $longitems[0] = $$idlist_titles{$$codetitles[0]};
2023: }
2024: for (my $i=0; $i<@longitems; $i++) {
2025: if ($longitems[$i] eq '') {
2026: $longitems[$i] = $items[$i];
2027: }
2028: }
2029: } else {
2030: @longitems = @items;
2031: }
2032: for (my $i=0; $i<@items; $i++) {
2033: $output .= ' <option value="'.$items[$i].'">'.$longitems[$i].'</option>';
2034: }
2035: $output .= '</select></td>';
2036: for (my $i=1; $i<$numtitles; $i++) {
2037: $output .= '<td>'.$$codetitles[$i].'<br />'."\n".
1.280 raeburn 2038: '<select name="'.$standardnames->[$i].
1.112 raeburn 2039: '" onChange="courseSet('."'$$codetitles[$i]'".')">'."\n".
2040: '<option value="-1"><-Pick '.$$codetitles[$i-1].'</option>'."\n".
2041: '</select>'."\n".
2042: '</td>';
2043: }
2044: $output .= '</tr></table><br />';
2045: }
2046: }
1.238 raeburn 2047: $output .= '<input type="radio" name="coursepick" value="specific" onclick="coursePick(this.form);opencrsbrowser('."'".$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";
1.112 raeburn 2048: return $output;
2049: }
2050:
2051: sub status_select_row {
1.142 albertel 2052: my ($types,$title,$css_class) = @_;
1.117 raeburn 2053: my $output;
2054: if (defined($title)) {
1.142 albertel 2055: $output = &row_title($title,$css_class,'LC_pick_box_select');
1.117 raeburn 2056: }
1.142 albertel 2057: $output .= qq|
1.198 bisitz 2058: <select name="types" multiple="multiple">\n|;
1.113 raeburn 2059: foreach my $status_type (sort(keys(%{$types}))) {
1.112 raeburn 2060: $output .= ' <option value="'.$status_type.'">'.$$types{$status_type}.'</option>';
2061: }
1.142 albertel 2062: $output .= qq| </select>\n|;
1.117 raeburn 2063: if (defined($title)) {
2064: $output .= &row_closure();
2065: }
1.112 raeburn 2066: return $output;
2067: }
2068:
2069: sub email_default_row {
1.142 albertel 2070: my ($authtypes,$title,$descrip,$css_class) = @_;
2071: my $output = &row_title($title,$css_class);
2072: $output .= $descrip.
2073: &Apache::loncommon::start_data_table().
2074: &Apache::loncommon::start_data_table_header_row().
2075: '<th>'.&mt('Authentication Method').'</th>'.
2076: '<th align="right">'.&mt('Username -> e-mail conversion').'</th>'."\n".
2077: &Apache::loncommon::end_data_table_header_row();
1.112 raeburn 2078: my $rownum = 0;
1.113 raeburn 2079: foreach my $auth (sort(keys(%{$authtypes}))) {
1.112 raeburn 2080: my ($userentry,$size);
2081: if ($auth =~ /^krb/) {
2082: $userentry = '';
2083: $size = 25;
2084: } else {
2085: $userentry = 'username@';
2086: $size = 15;
2087: }
1.142 albertel 2088: $output .= &Apache::loncommon::start_data_table_row().
2089: '<td> '.$$authtypes{$auth}.'</td>'.
2090: '<td align="right">'.$userentry.
2091: '<input type="text" name="'.$auth.'" size="'.$size.'" /></td>'.
2092: &Apache::loncommon::end_data_table_row();
1.112 raeburn 2093: }
1.142 albertel 2094: $output .= &Apache::loncommon::end_data_table();
1.112 raeburn 2095: $output .= &row_closure();
2096: return $output;
2097: }
2098:
2099:
2100: sub submit_row {
1.142 albertel 2101: my ($title,$cmd,$submit_text,$css_class) = @_;
2102: my $output = &row_title($title,$css_class,'LC_pick_box_submit');
1.112 raeburn 2103: $output .= qq|
2104: <br />
2105: <input type="hidden" name="command" value="$cmd" />
2106: <input type="submit" value="$submit_text"/>
2107: <br /><br />
1.142 albertel 2108: \n|;
1.112 raeburn 2109: return $output;
2110: }
1.1 stredwic 2111:
1.147 raeburn 2112: sub course_custom_roles {
2113: my ($cdom,$cnum) = @_;
2114: my %returnhash=();
2115: my %coursepersonnel=&Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
2116: foreach my $person (sort(keys(%coursepersonnel))) {
2117: my ($role) = ($person =~ /^([^:]+):/);
2118: my ($end,$start) = split(/:/,$coursepersonnel{$person});
2119: if ($end == -1 && $start == -1) {
2120: next;
2121: }
2122: if ($role =~ m|^cr/[^/]+/[^/]+/[^/]|) {
2123: $returnhash{$role} ++;
2124: }
2125: }
2126: return %returnhash;
2127: }
2128:
2129:
1.270 www 2130: sub resource_info_box {
1.300 raeburn 2131: my ($symb,$onlyfolderflag,$stuvcurrent,$stuvdisp)=@_;
1.270 www 2132: my $return='';
1.300 raeburn 2133: if ($stuvcurrent ne '') {
2134: $return = '<div class="LC_left_float">';
2135: }
1.270 www 2136: if ($symb) {
1.300 raeburn 2137: $return.=&Apache::loncommon::start_data_table();
1.271 www 2138: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symb);
2139: my $folder=&Apache::lonnet::gettitle($map);
2140: $return.=&Apache::loncommon::start_data_table_row().
1.300 raeburn 2141: '<th align="left">'.&mt('Folder:').'</th><td>'.$folder.'</td>'.
1.271 www 2142: &Apache::loncommon::end_data_table_row();
1.270 www 2143: unless ($onlyfolderflag) {
2144: $return.=&Apache::loncommon::start_data_table_row().
1.300 raeburn 2145: '<th align="left">'.&mt('Resource:').'</th><td>'.&Apache::lonnet::gettitle($symb).'</td>'.
2146: &Apache::loncommon::end_data_table_row();
2147: }
2148: if ($stuvcurrent ne '') {
2149: $return .= &Apache::loncommon::start_data_table_row().
2150: '<th align="left">'.&mt("Student's current version:").'</th><td>'.$stuvcurrent.'</td>'.
2151: &Apache::loncommon::end_data_table_row();
2152: }
2153: if ($stuvdisp ne '') {
2154: $return .= &Apache::loncommon::start_data_table_row().
2155: '<th align="left">'.&mt("Student's version displayed:").'</th><td>'.$stuvdisp.'</td>'.
1.270 www 2156: &Apache::loncommon::end_data_table_row();
2157: }
1.271 www 2158: $return.=&Apache::loncommon::end_data_table();
1.270 www 2159: } else {
2160: $return='<p><span class="LC_error">'.&mt('No context provided.').'</span></p>';
2161: }
1.300 raeburn 2162: if ($stuvcurrent ne '') {
2163: $return .= '</div>';
2164: }
1.270 www 2165: return $return;
2166: }
2167:
1.119 raeburn 2168: ##############################################
2169: ##############################################
1.179 raeburn 2170:
2171: # topic_bar
2172: #
1.248 wenzelju 2173: # Generates a div containing an (optional) number with a white background followed by a
1.240 raeburn 2174: # title with a background color defined in the corresponding CSS: LC_topic_bar
2175: # Inputs:
1.248 wenzelju 2176: # 1. number to display.
2177: # If input for number is empty only the title will be displayed.
1.240 raeburn 2178: # 2. title text to display.
2179: # Outputs - a scalar containing html mark-up for the div.
2180:
1.179 raeburn 2181: sub topic_bar {
1.248 wenzelju 2182: my ($num,$title) = @_;
2183: my $number = '';
2184: if ($num ne '') {
2185: $number = '<span>'.$num.'</span>';
1.239 amueller 2186: }
1.248 wenzelju 2187: return '<div class="LC_topic_bar">'.$number.$title.'</div>';
1.179 raeburn 2188: }
2189:
2190: ##############################################
2191: ##############################################
1.119 raeburn 2192: # echo_form_input
2193: #
2194: # Generates html markup to add form elements from the referrer page
2195: # as hidden form elements (values encoded) in the new page.
2196: #
2197: # Intended to support two types of use
2198: # (a) to allow backing up to earlier pages in a multi-page
2199: # form submission process using a breadcrumb trail.
2200: #
2201: # (b) to allow the current page to be reloaded with form elements
2202: # set on previous page to remain unchanged. An example would
2203: # be where the a page containing a dynamically-built table of data is
2204: # is to be redisplayed, with only the sort order of the data changed.
2205: #
2206: # Inputs:
2207: # 1. Reference to array of form elements in the submitted form on
2208: # the referrer page which are to be excluded from the echoed elements.
2209: #
2210: # 2. Reference to array of regular expressions, which if matched in the
2211: # name of the form element n the referrer page will be omitted from echo.
2212: #
2213: # Outputs: A scalar containing the html markup for the echoed form
2214: # elements (all as hidden elements, with values encoded).
2215:
2216:
2217: sub echo_form_input {
2218: my ($excluded,$regexps) = @_;
2219: my $output = '';
2220: foreach my $key (keys(%env)) {
2221: if ($key =~ /^form\.(.+)$/) {
2222: my $name = $1;
2223: my $match = 0;
1.285 raeburn 2224: if (ref($excluded) eq 'ARRAY') {
2225: next if (grep(/^\Q$name\E$/,@{$excluded}));
2226: }
2227: if (ref($regexps) eq 'ARRAY') {
2228: if (@{$regexps} > 0) {
2229: foreach my $regexp (@{$regexps}) {
2230: if ($name =~ /$regexp/) {
2231: $match = 1;
2232: last;
1.119 raeburn 2233: }
2234: }
2235: }
1.285 raeburn 2236: }
2237: next if ($match);
2238: if (ref($env{$key}) eq 'ARRAY') {
2239: foreach my $value (@{$env{$key}}) {
2240: $value = &HTML::Entities::encode($value,'<>&"');
2241: $output .= '<input type="hidden" name="'.$name.
2242: '" value="'.$value.'" />'."\n";
1.119 raeburn 2243: }
1.285 raeburn 2244: } else {
2245: my $value = &HTML::Entities::encode($env{$key},'<>&"');
2246: $output .= '<input type="hidden" name="'.$name.
2247: '" value="'.$value.'" />'."\n";
1.119 raeburn 2248: }
2249: }
2250: }
2251: return $output;
2252: }
2253:
2254: ##############################################
2255: ##############################################
2256: # set_form_elements
2257: #
2258: # Generates javascript to set form elements to values based on
2259: # corresponding values for the same form elements when the page was
2260: # previously submitted.
2261: #
2262: # Last submission values are read from hidden form elements in referring
2263: # page which have the same name, i.e., generated by &echo_form_input().
2264: #
2265: # Intended to be called by onload event.
2266: #
1.121 raeburn 2267: # Inputs:
2268: # (a) Reference to hash of echoed form elements to be set.
1.119 raeburn 2269: #
2270: # In the hash, keys are the form element names, and the values are the
2271: # element type (selectbox, radio, checkbox or text -for textbox, textarea or
2272: # hidden).
1.121 raeburn 2273: #
2274: # (b) Optional reference to hash of stored elements to be set.
2275: #
2276: # If the page being displayed is a page which permits modification of
2277: # previously stored data, e.g., the first page in a multi-page submission,
2278: # then if stored is supplied, form elements will be set to the last stored
2279: # values. If user supplied values are also available for the same elements
2280: # these will replace the stored values.
2281: #
1.119 raeburn 2282: # Output:
2283: #
2284: # javascript function - set_form_elements() which sets form elements,
2285: # expects an argument: formname - the name of the form according to
2286: # the DOM, e.g., document.compose
2287:
2288: sub set_form_elements {
1.121 raeburn 2289: my ($elements,$stored) = @_;
2290: my %values;
1.119 raeburn 2291: my $output .= 'function setFormElements(courseForm) {
1.121 raeburn 2292: ';
2293: if (defined($stored)) {
2294: foreach my $name (keys(%{$stored})) {
2295: if (exists($$elements{$name})) {
2296: if (ref($$stored{$name}) eq 'ARRAY') {
2297: $values{$name} = $$stored{$name};
2298: } else {
2299: @{$values{$name}} = ($$stored{$name});
2300: }
2301: }
2302: }
2303: }
2304:
1.119 raeburn 2305: foreach my $key (keys(%env)) {
2306: if ($key =~ /^form\.(.+)$/) {
2307: my $name = $1;
2308: if (exists($$elements{$name})) {
1.121 raeburn 2309: @{$values{$name}} = &Apache::loncommon::get_env_multiple($key);
2310: }
2311: }
2312: }
2313:
2314: foreach my $name (keys(%values)) {
2315: for (my $i=0; $i<@{$values{$name}}; $i++) {
2316: $values{$name}[$i] = &HTML::Entities::decode($values{$name}[$i],'<>&"');
2317: $values{$name}[$i] =~ s/([\r\n\f]+)/\\n/g;
2318: $values{$name}[$i] =~ s/"/\\"/g;
2319: }
1.234 raeburn 2320: if (($$elements{$name} eq 'text') || ($$elements{$name} eq 'hidden')) {
1.121 raeburn 2321: my $numvalues = @{$values{$name}};
2322: if ($numvalues > 1) {
2323: my $valuestring = join('","',@{$values{$name}});
2324: $output .= qq|
1.119 raeburn 2325: var textvalues = new Array ("$valuestring");
1.147 raeburn 2326: var total = courseForm.elements['$name'].length;
1.119 raeburn 2327: if (total > $numvalues) {
2328: total = $numvalues;
2329: }
2330: for (var i=0; i<total; i++) {
1.147 raeburn 2331: courseForm.elements['$name']\[i].value = textvalues[i];
1.119 raeburn 2332: }
2333: |;
1.121 raeburn 2334: } else {
2335: $output .= qq|
1.147 raeburn 2336: courseForm.elements['$name'].value = "$values{$name}[0]";
1.119 raeburn 2337: |;
1.121 raeburn 2338: }
2339: } else {
2340: $output .= qq|
1.147 raeburn 2341: var elementLength = courseForm.elements['$name'].length;
1.119 raeburn 2342: if (elementLength==undefined) {
2343: |;
1.121 raeburn 2344: foreach my $value (@{$values{$name}}) {
2345: if ($$elements{$name} eq 'selectbox') {
2346: $output .= qq|
1.147 raeburn 2347: if (courseForm.elements['$name'].options[0].value == "$value") {
2348: courseForm.elements['$name'].options[0].selected = true;
1.119 raeburn 2349: }|;
1.121 raeburn 2350: } elsif (($$elements{$name} eq 'radio') ||
2351: ($$elements{$name} eq 'checkbox')) {
2352: $output .= qq|
1.147 raeburn 2353: if (courseForm.elements['$name'].value == "$value") {
1.148 albertel 2354: courseForm.elements['$name'].checked = true;
1.234 raeburn 2355: } else {
2356: courseForm.elements['$name'].checked = false;
1.119 raeburn 2357: }|;
1.121 raeburn 2358: }
2359: }
2360: $output .= qq|
1.119 raeburn 2361: }
2362: else {
1.147 raeburn 2363: for (var i=0; i<courseForm.elements['$name'].length; i++) {
1.119 raeburn 2364: |;
1.121 raeburn 2365: if ($$elements{$name} eq 'selectbox') {
2366: $output .= qq|
1.147 raeburn 2367: courseForm.elements['$name'].options[i].selected = false;|;
1.121 raeburn 2368: } elsif (($$elements{$name} eq 'radio') ||
2369: ($$elements{$name} eq 'checkbox')) {
2370: $output .= qq|
1.147 raeburn 2371: courseForm.elements['$name']\[i].checked = false;|;
1.121 raeburn 2372: }
2373: $output .= qq|
1.119 raeburn 2374: }
1.147 raeburn 2375: for (var j=0; j<courseForm.elements['$name'].length; j++) {
1.119 raeburn 2376: |;
1.121 raeburn 2377: foreach my $value (@{$values{$name}}) {
2378: if ($$elements{$name} eq 'selectbox') {
2379: $output .= qq|
1.147 raeburn 2380: if (courseForm.elements['$name'].options[j].value == "$value") {
2381: courseForm.elements['$name'].options[j].selected = true;
1.119 raeburn 2382: }|;
1.121 raeburn 2383: } elsif (($$elements{$name} eq 'radio') ||
2384: ($$elements{$name} eq 'checkbox')) {
2385: $output .= qq|
1.147 raeburn 2386: if (courseForm.elements['$name']\[j].value == "$value") {
2387: courseForm.elements['$name']\[j].checked = true;
1.119 raeburn 2388: }|;
1.121 raeburn 2389: }
2390: }
2391: $output .= qq|
1.119 raeburn 2392: }
2393: }
2394: |;
2395: }
2396: }
2397: $output .= "
1.235 raeburn 2398: return;
1.119 raeburn 2399: }\n";
2400: return $output;
2401: }
2402:
1.158 raeburn 2403: ##############################################
2404: ##############################################
2405:
1.291 raeburn 2406: sub file_submissionchk_js {
2407: my ($turninpaths,$multiples) = @_;
2408: my $overwritewarn = &mt('File(s) you uploaded for your submission will overwrite existing file(s) submitted for this item').'\\n'.
2409: &mt('Continue submission and overwrite the file(s)?');
2410: my $delfilewarn = &mt('You have indicated you wish to remove some files previously included in your submission.').'\\n'.
2411: &mt('Continue submission with these files removed?');
1.292 raeburn 2412: my ($turninpathtext,$multtext,$arrayindexofjs);
1.291 raeburn 2413: if (ref($turninpaths) eq 'HASH') {
2414: foreach my $key (sort(keys(%{$turninpaths}))) {
2415: $turninpathtext .= " if (prefix == '$key') {\n".
2416: " return '$turninpaths->{$key}';\n".
2417: " }\n";
2418: }
2419: }
2420: $turninpathtext .= " return '';\n";
2421: if (ref($multiples) eq 'HASH') {
2422: foreach my $key (sort(keys(%{$multiples}))) {
2423: $multtext .= " if (prefix == '$key') {\n".
2424: " return '$multiples->{$key}';\n".
2425: " }\n";
2426: }
2427: }
2428: $multtext .= " return '';\n";
1.292 raeburn 2429:
1.293 raeburn 2430: $arrayindexofjs = &Apache::loncommon::javascript_array_indexof();
1.291 raeburn 2431: return <<"ENDSCRIPT";
2432: <script type="text/javascript">
2433: // <![CDATA[
2434:
2435: function file_submission_check(formname,path,multiresp) {
2436: var elemnum = formname.elements.length;
2437: if (elemnum == 0) {
2438: return true;
2439: }
2440: var alloverwrites = [];
2441: var alldelconfirm = [];
2442: var result = [];
2443: var submitter;
2444: var subprefix;
2445: var allsub = getIndexByName(formname,'all_submit');
2446: if (allsub == -1) {
2447: var idx = getIndexByName(formname,'submitted');
2448: if (idx != -1) {
2449: var subval = String(formname.elements[idx].value);
2450: submitter = subval.replace(/^part_/,'');
2451: result = overwritten_check(formname,path,multiresp,submitter);
2452: alloverwrites.push.apply(alloverwrites,result['overwrite']);
2453: alldelconfirm.push.apply(alldelconfirm,result['delete']);
2454: }
2455: } else {
2456: if (formname.elements[allsub].type == 'submit') {
2457: var partsub = /^\\d+\\.\\d+_submit_.+\$/;
2458: var allprefixes = [];
2459: var allparts = [];
2460: for (var i=0; i<formname.elements.length; i++) {
2461: if (formname.elements[i].type == 'submit') {
2462: var elemname = formname.elements[i].name;
2463: var subname = String(elemname);
2464: var savesub = String(elemname);
2465: if (partsub.test(subname)) {
2466: var prefix = subname.replace(/_submit_.+\$/,'');
2467: if (allprefixes.indexOf(prefix) == -1) {
2468: allprefixes.push(prefix);
2469: allparts[prefix] = [];
2470: }
2471: var part = savesub.replace(/^\\d+\\.\\d+_submit_/,'');
2472: allparts[prefix].push(part);
2473: }
2474: }
2475: }
2476: for (var k=0; k<allprefixes.length; k++) {
2477: var idx = getIndexByName(formname,allprefixes[k]+'_submitted');
2478: if (idx > -1) {
2479: if (formname.elements[idx].value != 'yes') {
2480: submitterval = formname.elements[idx].value;
2481: submitter = submitterval.replace(/^part_/,'');
2482: subprefix = allprefixes[k];
2483: result = overwritten_check(formname,path,multiresp,submitter,subprefix);
2484: alloverwrites.push.apply(alloverwrites,result['overwrite']);
2485: alldelconfirm.push.apply(alldelconfirm,result['delete']);
2486: break;
2487: }
2488: }
2489: }
2490: if (submitter == '' || submitter == undefined) {
2491: for (var m=0; m<allprefixes.length; m++) {
2492: for (var n=0; n<allparts[allprefixes[m]].length; n++) {
2493: var result = overwritten_check(formname,path,multiresp,allparts[allprefixes[m]][n],allprefixes[m]);
2494: alloverwrites.push.apply(alloverwrites,result['overwrite']);
2495: alldelconfirm.push.apply(alldelconfirm,result['delete']);
2496: }
2497: }
2498: }
2499: }
2500: }
2501: if (alloverwrites.length > 0) {
2502: if (!confirm("$overwritewarn")) {
2503: for (var n=0; n<alloverwrites.length; n++) {
2504: formname.elements[alloverwrites[n]].value = "";
2505: }
2506: return false;
2507: }
2508: }
2509: if (alldelconfirm.length > 0) {
2510: if (!confirm("$delfilewarn")) {
2511: for (var p=0; p<alldelconfirm.length; p++) {
2512: formname.elements[alldelconfirm[p]].checked = false;
2513: }
2514: return false;
2515: }
2516: }
2517: return true;
2518: }
2519:
2520: function getIndexByName(formname,item) {
2521: for (var i=0;i<formname.elements.length;i++) {
2522: if (formname.elements[i].name == item) {
2523: return i;
2524: }
2525: }
2526: return -1;
2527: }
2528:
2529: function overwritten_check(formname,path,multiresp,part,prefix) {
2530: var result = [];
2531: result['overwrite'] = [];
2532: result['delete'] = [];
2533: var elemnum = formname.elements.length;
2534: if (elemnum == 0) {
2535: return result;
2536: }
2537: var uploadstr;
2538: var deletestr;
2539: if ((prefix != undefined) && (prefix != '')) {
2540: var prepend = prefix+'_';
2541: uploadstr = new RegExp("^"+prepend+"HWFILE"+part+".+\$");
2542: deletestr = new RegExp("^"+prepend+"HWFILE"+part+".+_\\\\d+_delete\$");
2543: multiresp = check_for_multiples(prepend);
2544: path = check_for_turninpath(prepend);
2545: } else {
2546: uploadstr = new RegExp("^HWFILE"+part+".+\$");
2547: deletestr = new RegExp("^HWFILE"+part+".+_\\\\d+_delete\$");
2548: }
2549: var alluploads = [];
2550: var allchecked = [];
2551: var allskipdel = [];
2552: var fnametrim = /[^\\/\\\\]+\$/;
2553: for (var i=0; i<formname.elements.length; i++) {
2554: var id = formname.elements[i].id;
2555: if (id != '') {
2556: if (uploadstr.test(id)) {
2557: if (formname.elements[i].type == 'file') {
2558: alluploads.push(id);
2559: } else {
2560: if (deletestr.test(id)) {
2561: if (formname.elements[i].type == 'checkbox') {
2562: if (formname.elements[i].checked) {
2563: allchecked.push(id);
2564: }
2565: }
2566: }
2567: }
2568: }
2569: }
2570: }
2571: for (var j=0; j<alluploads.length; j++) {
2572: var delstr = new RegExp("^"+alluploads[j]+"_\\\\d+_delete\$");
2573: var delboxes = [];
2574: for (var k=0; k<formname.elements.length; k++) {
2575: var id = formname.elements[k].id;
2576: if ((id != '') && (id != undefined)) {
2577: if (delstr.test(id)) {
2578: if (formname.elements[k].type == 'checkbox') {
2579: delboxes.push(id);
2580: }
2581: }
2582: }
2583: }
2584: if (delboxes.length > 0) {
2585: if ((formname.elements[alluploads[j]].value != undefined) &&
2586: (formname.elements[alluploads[j]].value != '')) {
2587: var filepath = formname.elements[alluploads[j]].value;
2588: var newfilename = fnametrim.exec(filepath);
2589: if (newfilename != null) {
2590: var filename = String(newfilename);
2591: var nospaces = filename.replace(/\\s+/g,'_');
2592: var nospecials = nospaces.replace(/[^\\/\\w\\.\\-]/g,'');
2593: var cleanfilename = nospecials.replace(/\\.(\\d+\\.)/g,"_\$1");
2594: if (cleanfilename != '') {
2595: var fullpath = path+"/"+cleanfilename;
2596: if (multiresp == 1) {
2597: var partid = String(alluploads[i]);
2598: var subdir = partid.replace(/^\\d*.?\\d*_?HWFILE/,'');
2599: if (subdir != "" && subdir != undefined) {
2600: fullpath = path+"/"+subdir+"/"+cleanfilename;
2601: }
2602: }
2603: for (var m=0; m<delboxes.length; m++) {
2604: if (fullpath == formname.elements[delboxes[m]].value) {
2605: if (formname.elements[delboxes[m]].checked) {
2606: allskipdel.push(delboxes[m]);
2607: } else {
2608: result['overwrite'].push(alluploads[j]);
2609: }
2610: break;
2611: }
2612: }
2613: }
2614: }
2615: }
2616: }
2617: }
2618: if (allchecked.length > 0) {
2619: if (allskipdel.length > 0) {
2620: for (var n=0; n<allchecked.length; n++) {
2621: if (allskipdel.indexOf(allchecked[n]) == -1) {
2622: result['delete'].push(allchecked[n]);
2623: }
2624: }
2625: } else {
2626: result['delete'].push.apply(result['delete'],allchecked);
2627: }
2628: }
2629: return result;
2630: }
2631:
2632: function check_for_multiples(prefix) {
2633: $multtext
2634: }
2635:
2636: function check_for_turninpath(prefix) {
2637: $turninpathtext
2638: }
2639:
2640: // ]]>
2641: </script>
2642:
1.292 raeburn 2643: $arrayindexofjs
2644:
1.291 raeburn 2645: ENDSCRIPT
2646: }
2647:
2648: ##############################################
2649: ##############################################
2650:
1.158 raeburn 2651: # javascript_valid_email
2652: #
2653: # Generates javascript to validate an e-mail address.
2654: # Returns a javascript function which accetps a form field as argumnent, and
2655: # returns false if field.value does not satisfy two regular expression matches
2656: # for a valid e-mail address. Backwards compatible with old browsers without
2657: # support for javascript RegExp (just checks for @ in field.value in this case).
2658:
2659: sub javascript_valid_email {
2660: my $scripttag .= <<'END';
2661: function validmail(field) {
2662: var str = field.value;
2663: if (window.RegExp) {
2664: var reg1str = "(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)";
2665: var reg2str = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$"; //"
2666: var reg1 = new RegExp(reg1str);
2667: var reg2 = new RegExp(reg2str);
2668: if (!reg1.test(str) && reg2.test(str)) {
2669: return true;
2670: }
2671: return false;
2672: }
2673: else
2674: {
2675: if(str.indexOf("@") >= 0) {
2676: return true;
2677: }
2678: return false;
2679: }
2680: }
2681: END
2682: return $scripttag;
2683: }
2684:
1.219 droeschl 2685:
2686: # USAGE: htmltag(element, content, {attribute => value,...});
2687: #
2688: # EXAMPLES:
2689: # - htmltag('a', 'this is an anchor', {href => 'www.example.com',
2690: # title => 'this is a title'})
2691: #
2692: # - You might want to set up needed tags like:
2693: #
2694: # my $h3 = sub { return htmltag( "h3", @_ ) };
2695: #
2696: # ... and use them: $h3->("This is a headline")
2697: #
2698: # - To set up a couple of tags, see sub inittags
2699: #
2700: # NOTES:
2701: # - Empty elements, such as <br/> are correctly terminated,
2702: # i.e. htmltag('br') returns <br/>
2703: # - Empty attributes (title="") are filtered out.
2704: # - The function will not check for deprecated attributes.
2705: #
2706: # OUTPUT: content enclosed in xhtml conform tags
2707: sub htmltag{
2708: return
2709: qq|<$_[0]|
2710: . join( '', map { qq| $_="${$_[2]}{$_}"| if ${$_[2]}{$_} } keys %{ $_[2] } )
2711: . ($_[1] ? qq|>$_[1]</$_[0]>| : qq|/>|). "\n";
2712: };
2713:
2714:
2715: # USAGE: inittags(@tags);
2716: #
2717: # EXAMPLES:
1.261 droeschl 2718: # - my ($h1, $h2, $h3) = inittags( qw( h1 h2 h3 ) )
1.219 droeschl 2719: # $h1->("This is a headline") #Returns: <h1>This is a headline</h1>
2720: #
2721: # NOTES: See sub htmltag for further information.
2722: #
2723: # OUTPUT: List of subroutines.
2724: sub inittags {
2725: my @tags = @_;
2726: return map { my $tag = $_;
2727: sub { return htmltag( $tag, @_ ) }
2728: } @tags;
2729: }
2730:
2731:
1.231 droeschl 2732: # USAGE: scripttag(scriptcode, [start|end|both]);
1.229 droeschl 2733: #
2734: # EXAMPLES:
1.231 droeschl 2735: # - scripttag("alert('Hello World!')", 'both')
2736: # returns:
2737: # <script type="text/javascript">
2738: # // BEGIN LON-CAPA Internal
2739: # alert(Hello World!')
2740: # // END LON-CAPA Internal
2741: # </script>
1.229 droeschl 2742: #
2743: # NOTES:
2744: # - works currently only for javascripts
2745: #
1.231 droeschl 2746: # OUTPUT:
2747: # Scriptcode properly enclosed in <script> and CDATA tags (and LC
2748: # Internal markers if 2nd argument is given)
1.229 droeschl 2749: sub scripttag {
1.231 droeschl 2750: my ( $content, $marker ) = @_;
2751: return unless defined $content;
2752:
2753: my $begin = "\n// BEGIN LON-CAPA Internal\n";
2754: my $end = "\n// END LON-CAPA Internal\n";
2755:
2756: if ($marker) {
2757: $content = $begin . $content if $marker eq 'start' or $marker eq 'both';
2758: $content .= $end if $marker eq 'end' or $marker eq 'both';
2759: }
2760:
1.229 droeschl 2761: $content = "\n// <![CDATA[\n$content\n// ]]>\n";
1.231 droeschl 2762:
2763: return htmltag('script', $content, {type => 'text/javascript'});
1.229 droeschl 2764: };
2765:
2766:
1.261 droeschl 2767: =item list_from_array( \@array, { listattr =>{}, itemattr =>{} } )
2768:
2769: Constructs a XHTML list from \@array.
2770:
2771: input:
2772:
2773: =over
2774:
2775: =item \@array
2776:
2777: A reference to the array containing text that will be wrapped in <li></li> tags.
2778:
2779: =item { listattr => {}, itemattr =>{} }
2780:
2781: Attributes for <ul> and <li> passed in as hash references.
2782: See htmltag() for more details.
2783:
2784: =back
2785:
2786: returns: XHTML list as String.
2787:
2788: =cut
2789:
2790: # \@items, {listattr => { class => 'abc', id => 'xyx' }, itemattr => {class => 'abc', id => 'xyx'}}
2791: sub list_from_array {
2792: my ($items, $args) = @_;
1.285 raeburn 2793: return unless (ref($items) eq 'ARRAY');
1.273 droeschl 2794: return unless scalar @$items;
1.261 droeschl 2795: my ($ul, $li) = inittags( qw(ul li) );
2796: my $listitems = join '', map { $li->($_, $args->{itemattr}) } @$items;
2797: return $ul->( $listitems, $args->{listattr} );
2798: }
2799:
2800:
1.183 droeschl 2801: ##############################################
2802: ##############################################
2803:
2804: # generate_menu
2805: #
2806: # Generates html markup for a menu.
2807: #
2808: # Inputs:
2809: # An array of following structure:
2810: # ({ categorytitle => 'Categorytitle',
2811: # items => [
1.201 droeschl 2812: # {
2813: # linktext => 'Text to be displayed',
2814: # url => 'URL the link is pointing to, i.e. /adm/site?action=dosomething',
1.183 droeschl 2815: # permission => 'Contains permissions as returned from lonnet::allowed(),
1.201 droeschl 2816: # must evaluate to true in order to activate the link',
1.184 droeschl 2817: # icon => 'icon filename',
1.186 droeschl 2818: # alttext => 'alt text for the icon',
1.183 droeschl 2819: # help => 'Name of the corresponding helpfile',
2820: # linktitle => 'Description of the link (used for title tag)'
2821: # },
2822: # ...
2823: # ]
2824: # },
2825: # ...
2826: # )
2827: #
2828: # Outputs: A scalar containing the html markup for the menu.
2829:
2830: sub generate_menu {
2831: my @menu = @_;
1.201 droeschl 2832: # subs for specific html elements
1.219 droeschl 2833: my ($h3, $div, $ul, $li, $a, $img) = inittags( qw(h3 div ul li a img) );
1.201 droeschl 2834:
2835: my @categories; # each element represents the entire markup for a category
2836:
2837: foreach my $category (@menu) {
2838: my @links; # contains the links for the current $category
2839: foreach my $link (@{$$category{items}}) {
2840: next unless $$link{permission};
2841:
2842: # create the markup for the current $link and push it into @links.
2843: # each entry consists of an image and a text optionally followed
2844: # by a help link.
1.283 raeburn 2845: my $src;
2846: if ($$link{icon} ne '') {
2847: $src = '/res/adm/pages/'.$$link{icon};
2848: }
1.232 raeburn 2849: push(@links,$li->(
1.201 droeschl 2850: $a->(
2851: $img->("", {
2852: class => "LC_noBorder LC_middle",
1.283 raeburn 2853: src => $src,
1.202 droeschl 2854: alt => mt(defined($$link{alttext}) ?
2855: $$link{alttext} : $$link{linktext})
1.201 droeschl 2856: }), {
2857: href => $$link{url},
1.308 ! raeburn 2858: title => mt($$link{linktitle}),
! 2859: class => 'LC_menubuttons_link'
1.201 droeschl 2860: }).
1.202 droeschl 2861: $a->(mt($$link{linktext}), {
1.201 droeschl 2862: href => $$link{url},
1.202 droeschl 2863: title => mt($$link{linktitle}),
1.201 droeschl 2864: class => "LC_menubuttons_link"
2865: }).
2866: (defined($$link{help}) ?
2867: Apache::loncommon::help_open_topic($$link{help}) : ''),
1.232 raeburn 2868: {class => "LC_menubuttons_inline_text"}));
1.201 droeschl 2869: }
2870:
2871: # wrap categorytitle in <h3>, concatenate with
2872: # joined and in <ul> tags wrapped @links
2873: # and wrap everything in an enclosing <div> and push it into
2874: # @categories
2875: # such that each element looks like:
2876: # <div><h3>title</h3><ul><li>...</li>...</ul></div>
2877: # the category won't be added if there aren't any links
1.232 raeburn 2878: push(@categories,
1.202 droeschl 2879: $div->($h3->(mt($$category{categorytitle}), {class=>"LC_hcell"}).
1.201 droeschl 2880: $ul->(join('' ,@links), {class =>"LC_ListStyleNormal" }),
1.232 raeburn 2881: {class=>"LC_Box LC_400Box"})) if scalar(@links);
1.183 droeschl 2882: }
1.201 droeschl 2883:
2884: # wrap the joined @categories in another <div> (column layout)
2885: return $div->(join('', @categories), {class => "LC_columnSection"});
1.183 droeschl 2886: }
1.176 foxr 2887:
1.224 bisitz 2888: ##############################################
2889: ##############################################
2890:
2891: =pod
2892:
2893: =item &start_funclist
2894:
2895: Start list of available functions
2896:
2897: Typically used to offer a simple list of available functions
2898: at top or bottom of page.
2899: All available functions/actions for the current page
2900: should be included in this list.
2901:
2902: If the optional headline text is not provided, a default text will be used.
2903:
2904:
2905: Related routines:
2906: =over 4
2907: add_item_funclist
2908: end_funclist
2909: =back
2910:
2911:
2912: Inputs: (optional) headline text
2913:
2914: Returns: HTML code with function list start
2915:
2916: =cut
2917:
2918: ##############################################
2919: ##############################################
2920:
2921: sub start_funclist {
2922: my($legendtext)=@_;
2923: $legendtext=&mt('Functions') if !$legendtext;
1.244 droeschl 2924: return '<ul class="LC_funclist"><li style="font-weight:bold; margin-left:0.8em;">'.$legendtext.'</li>'."\n";
1.224 bisitz 2925: }
2926:
2927:
2928: ##############################################
2929: ##############################################
2930:
2931: =pod
2932:
2933: =item &add_item_funclist
2934:
2935: Adds an item to the list of available functions
2936:
2937: Related routines:
2938: =over 4
2939: start_funclist
2940: end_funclist
2941: =back
2942:
2943: Inputs: content item with text and link to function
2944:
2945: Returns: HTML code with list item for funclist
2946:
2947: =cut
2948:
2949: ##############################################
2950: ##############################################
2951:
2952: sub add_item_funclist {
2953: my($content) = @_;
2954: return '<li>'.$content.'</li>'."\n";
2955: }
2956:
2957: =pod
2958:
2959: =item &end_funclist
2960:
2961: End list of available functions
2962:
2963: Related routines:
2964: =over 4
2965: start_funclist
2966: add_item_funclist
2967: =back
2968:
2969: Inputs: ./.
2970:
2971: Returns: HTML code with function list end
2972: =cut
2973:
2974: sub end_funclist {
1.246 bisitz 2975: return "</ul>\n";
1.224 bisitz 2976: }
2977:
1.261 droeschl 2978: =pod
2979:
2980: =item funclist_from_array( \@array, {legend => 'text for legend'} )
2981:
2982: Constructs a XHTML list from \@array with the first item being visually
2983: highlighted and set to the value of legend or 'Functions' if legend is
2984: empty.
2985:
2986: =over
2987:
2988: =item \@array
2989:
2990: A reference to the array containing text that will be wrapped in <li></li> tags.
2991:
2992: =item { legend => 'text' }
2993:
2994: A string that's used as visually highlighted first item. 'Functions' is used if
2995: it's value evaluates to false.
2996:
2997: =back
2998:
2999: returns: XHTML list as string.
3000:
3001: =back
3002:
3003: =cut
3004:
3005: sub funclist_from_array {
3006: my ($items, $args) = @_;
1.285 raeburn 3007: return unless(ref($items) eq 'ARRAY');
1.261 droeschl 3008: $args->{legend} ||= mt('Functions');
3009: return list_from_array( [$args->{legend}, @$items],
3010: { listattr => {class => 'LC_funclist'} });
3011: }
3012:
1.1 stredwic 3013: 1;
1.23 matthew 3014:
1.1 stredwic 3015: __END__
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