Annotation of loncom/interface/lonhtmlcommon.pm, revision 1.222
1.2 www 1: # The LearningOnline Network with CAPA
2: # a pile of common html routines
3: #
1.222 ! bisitz 4: # $Id: lonhtmlcommon.pm,v 1.221 2009/06/04 16:47:25 bisitz 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;
1.130 www 63: use LONCAPA;
1.1 stredwic 64:
1.208 www 65: ##############################################
66: ##############################################
67:
68: =pod
69:
70: =item confirm_success
71:
72: Successful completion of an operation message
73:
74: =cut
75:
76: sub confirm_success {
1.209 www 77: my ($message,$failure)=@_;
78: if ($failure) {
1.211 bisitz 79: return '<span class="LC_error">'."\n"
1.218 bisitz 80: .'<img src="/adm/lonIcons/navmap.wrong.gif" alt="'.&mt('Error').'" /> '."\n"
1.211 bisitz 81: .$message."\n"
82: .'</span>'."\n";
1.209 www 83: } else {
1.211 bisitz 84: return '<span class="LC_success">'."\n"
1.218 bisitz 85: .'<img src="/adm/lonIcons/navmap.correct.gif" alt="'.&mt('Ok').'" /> '."\n"
1.211 bisitz 86: .$message."\n"
87: .'</span>'."\n";
1.209 www 88: }
1.208 www 89: }
1.176 foxr 90:
91: ##############################################
92: ##############################################
93:
94: =pod
95:
1.177 raeburn 96: =item dragmath_button
1.176 foxr 97:
1.177 raeburn 98: Creates a button that launches a dragmath popup-window, in which an
99: expression can be edited and pasted as LaTeX into a specified textarea.
100:
101: textarea - Name of the textarea to edit.
102: helpicon - If true, show a help icon to the right of the button.
1.176 foxr 103:
104: =cut
105:
1.177 raeburn 106: sub dragmath_button {
107: my ($textarea,$helpicon) = @_;
108: my $help_text;
109: if ($helpicon) {
110: $help_text = &Apache::loncommon::help_open_topic('Authoring_Math_Editor');
111: }
1.178 bisitz 112: my $buttontext=&mt('Edit Math');
1.177 raeburn 113: return <<ENDDRAGMATH;
1.178 bisitz 114: <input type="button" value="$buttontext", onclick="javascript:mathedit('$textarea',document)" />$help_text
1.177 raeburn 115: ENDDRAGMATH
116: }
117:
1.176 foxr 118: ##############################################
119:
1.177 raeburn 120: =pod
121:
122: =item dragmath_js
123:
124: Javascript used to open pop-up window containing dragmath applet which
125: can be used to paste LaTeX into a textarea.
126:
127: =cut
1.176 foxr 128:
1.177 raeburn 129: sub dragmath_js {
1.182 foxr 130: my ($popup) = @_;
1.177 raeburn 131: return <<ENDDRAGMATHJS;
132: <script type="text/javascript">
1.218 bisitz 133: // <![CDATA[
1.176 foxr 134: function mathedit(textarea, doc) {
135: targetEntry = textarea;
1.177 raeburn 136: targetDoc = doc;
1.182 foxr 137: newwin = window.open("/adm/dragmath/applet/$popup.html","","width=565,height=500,resizable");
1.176 foxr 138: }
1.218 bisitz 139: // ]]>
1.176 foxr 140: </script>
1.177 raeburn 141:
142: ENDDRAGMATHJS
1.176 foxr 143: }
144:
1.182 foxr 145:
1.40 www 146: ##############################################
147: ##############################################
148:
149: =pod
150:
151: =item authorbombs
152:
153: =cut
154:
155: ##############################################
156: ##############################################
157:
158: sub authorbombs {
159: my $url=shift;
160: $url=&Apache::lonnet::declutter($url);
1.155 albertel 161: my ($udom,$uname)=($url=~m{^($LONCAPA::domain_re)/($LONCAPA::username_re)/});
1.40 www 162: my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom);
163: foreach (keys %bombs) {
164: if ($_=~/^$udom\/$uname\//) {
165: return '<a href="/adm/bombs/'.$url.
1.218 bisitz 166: '"><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/bomb.gif').'" alt="'.&mt('Bomb').'" border="0" /></a>'.
1.40 www 167: &Apache::loncommon::help_open_topic('About_Bombs');
168: }
169: }
170: return '';
171: }
1.26 matthew 172:
173: ##############################################
174: ##############################################
175:
1.41 www 176: sub recent_filename {
177: my $area=shift;
1.130 www 178: return 'nohist_recent_'.&escape($area);
1.41 www 179: }
180:
181: sub store_recent {
1.136 albertel 182: my ($area,$name,$value,$freeze)=@_;
1.41 www 183: my $file=&recent_filename($area);
184: my %recent=&Apache::lonnet::dump($file);
1.111 www 185: if (scalar(keys(%recent))>20) {
1.41 www 186: # remove oldest value
1.136 albertel 187: my $oldest=time();
1.41 www 188: my $delkey='';
1.136 albertel 189: foreach my $item (keys(%recent)) {
190: my $thistime=(split(/\&/,$recent{$item}))[0];
191: if (($thistime ne "always_include") && ($thistime<$oldest)) {
1.41 www 192: $oldest=$thistime;
1.136 albertel 193: $delkey=$item;
1.41 www 194: }
195: }
196: &Apache::lonnet::del($file,[$delkey]);
197: }
198: # store new value
1.136 albertel 199: my $timestamp;
200: if ($freeze) {
201: $timestamp = "always_include";
202: } else {
203: $timestamp = time();
204: }
1.41 www 205: &Apache::lonnet::put($file,{ $name =>
1.136 albertel 206: $timestamp.'&'.&escape($value) });
1.41 www 207: }
208:
1.89 banghart 209: sub remove_recent {
210: my ($area,$names)=@_;
211: my $file=&recent_filename($area);
212: return &Apache::lonnet::del($file,$names);
213: }
214:
1.41 www 215: sub select_recent {
216: my ($area,$fieldname,$event)=@_;
217: my %recent=&Apache::lonnet::dump(&recent_filename($area));
218: my $return="\n<select name='$fieldname'".
1.96 albertel 219: ($event?" onchange='$event'":'').
1.41 www 220: ">\n<option value=''>--- ".&mt('Recent')." ---</option>";
1.136 albertel 221: foreach my $value (sort(keys(%recent))) {
222: unless ($value =~/^error\:/) {
223: my $escaped = &Apache::loncommon::escape_url($value);
1.160 albertel 224: &Apache::loncommon::inhibit_menu_check(\$escaped);
1.94 foxr 225: $return.="\n<option value='$escaped'>".
1.136 albertel 226: &unescape((split(/\&/,$recent{$value}))[1]).
1.41 www 227: '</option>';
228: }
229: }
230: $return.="\n</select>\n";
231: return $return;
232: }
233:
1.97 albertel 234: sub get_recent {
235: my ($area, $n) = @_;
236: my %recent=&Apache::lonnet::dump(&recent_filename($area));
237:
238: # Create hash with key as time and recent as value
1.136 albertel 239: # Begin filling return_hash with any 'always_include' option
1.97 albertel 240: my %time_hash = ();
1.136 albertel 241: my %return_hash = ();
242: foreach my $item (keys %recent) {
243: my ($thistime,$thisvalue)=(split(/\&/,$recent{$item}));
244: if ($thistime eq 'always_include') {
245: $return_hash{$item} = &unescape($thisvalue);
246: $n--;
247: } else {
248: $time_hash{$thistime} = $item;
1.133 albertel 249: }
1.97 albertel 250: }
251:
252: # Sort by decreasing time and return key value pairs
253: my $idx = 1;
1.136 albertel 254: foreach my $item (reverse(sort(keys(%time_hash)))) {
255: $return_hash{$time_hash{$item}} =
256: &unescape((split(/\&/,$recent{$time_hash{$item}}))[1]);
1.97 albertel 257: if ($n && ($idx++ >= $n)) {last;}
258: }
259:
260: return %return_hash;
261: }
262:
1.136 albertel 263: sub get_recent_frozen {
264: my ($area) = @_;
265: my %recent=&Apache::lonnet::dump(&recent_filename($area));
266:
267: # Create hash with all 'frozen' items
268: my %return_hash = ();
269: foreach my $item (keys(%recent)) {
270: my ($thistime,$thisvalue)=(split(/\&/,$recent{$item}));
271: if ($thistime eq 'always_include') {
272: $return_hash{$item} = &unescape($thisvalue);
273: }
274: }
275: return %return_hash;
276: }
277:
1.97 albertel 278:
1.41 www 279:
1.26 matthew 280: =pod
281:
282: =item textbox
283:
284: =cut
285:
286: ##############################################
287: ##############################################
288: sub textbox {
289: my ($name,$value,$size,$special) = @_;
290: $size = 40 if (! defined($size));
1.128 albertel 291: $value = &HTML::Entities::encode($value,'<>&"');
1.26 matthew 292: my $Str = '<input type="text" name="'.$name.'" size="'.$size.'" '.
293: 'value="'.$value.'" '.$special.' />';
294: return $Str;
295: }
296:
297: ##############################################
298: ##############################################
299:
300: =pod
301:
302: =item checkbox
303:
304: =cut
305:
306: ##############################################
307: ##############################################
308: sub checkbox {
1.68 matthew 309: my ($name,$checked,$value) = @_;
310: my $Str = '<input type="checkbox" name="'.$name.'" ';
311: if (defined($value)) {
312: $Str .= 'value="'.$value.'"';
313: }
314: if ($checked) {
1.206 bisitz 315: $Str .= ' checked="checked"';
1.68 matthew 316: }
317: $Str .= ' />';
1.26 matthew 318: return $Str;
319: }
320:
1.120 albertel 321:
322: =pod
323:
324: =item radiobutton
325:
326: =cut
327:
328: ##############################################
329: ##############################################
330: sub radio {
331: my ($name,$checked,$value) = @_;
332: my $Str = '<input type="radio" name="'.$name.'" ';
333: if (defined($value)) {
334: $Str .= 'value="'.$value.'"';
335: }
336: if ($checked eq $value) {
1.206 bisitz 337: $Str .= ' checked="checked"';
1.120 albertel 338: }
339: $Str .= ' />';
340: return $Str;
341: }
342:
1.10 matthew 343: ##############################################
344: ##############################################
345:
346: =pod
347:
348: =item &date_setter
349:
1.22 matthew 350: &date_setter returns html and javascript for a compact date-setting form.
351: To retrieve values from it, use &get_date_from_form().
352:
1.10 matthew 353: Inputs
354:
355: =over 4
356:
357: =item $dname
358:
359: The name to prepend to the form elements.
360: The form elements defined will be dname_year, dname_month, dname_day,
361: dname_hour, dname_min, and dname_sec.
362:
363: =item $currentvalue
364:
365: The current setting for this time parameter. A unix format time
366: (time in seconds since the beginning of Jan 1st, 1970, GMT.
367: An undefined value is taken to indicate the value is the current time.
368: Also, to be explicit, a value of 'now' also indicates the current time.
369:
1.26 matthew 370: =item $special
371:
372: Additional html/javascript to be associated with each element in
373: the date_setter. See lonparmset for example usage.
374:
1.59 matthew 375: =item $includeempty
376:
377: =item $state
378:
379: Specifies the initial state of the form elements. Either 'disabled' or empty.
380: Defaults to empty, which indiciates the form elements are not disabled.
381:
1.22 matthew 382: =back
383:
384: Bugs
385:
386: The method used to restrict user input will fail in the year 2400.
387:
1.10 matthew 388: =cut
389:
390: ##############################################
391: ##############################################
392: sub date_setter {
1.67 matthew 393: my ($formname,$dname,$currentvalue,$special,$includeempty,$state,
1.134 raeburn 394: $no_hh_mm_ss,$defhour,$defmin,$defsec,$nolink) = @_;
1.175 raeburn 395: my $now = time;
1.107 www 396: my $wasdefined=1;
1.59 matthew 397: if (! defined($state) || $state ne 'disabled') {
398: $state = '';
399: }
1.67 matthew 400: if (! defined($no_hh_mm_ss)) {
401: $no_hh_mm_ss = 0;
402: }
1.110 www 403: if ($currentvalue eq 'now') {
1.175 raeburn 404: $currentvalue = $now;
1.110 www 405: }
406: if ((!defined($currentvalue)) || ($currentvalue eq '')) {
407: $wasdefined=0;
408: if ($includeempty) {
409: $currentvalue = 0;
410: } else {
1.175 raeburn 411: $currentvalue = $now;
1.39 www 412: }
1.10 matthew 413: }
414: # other potentially useful values: wkday,yrday,is_daylight_savings
1.175 raeburn 415: my $tzname;
1.65 albertel 416: my ($sec,$min,$hour,$mday,$month,$year)=('','',undef,'','','');
1.39 www 417: if ($currentvalue) {
1.175 raeburn 418: ($tzname,$sec,$min,$hour,$mday,$month,$year) = &get_timedates($currentvalue);
1.39 www 419: }
1.107 www 420: unless ($wasdefined) {
1.175 raeburn 421: ($tzname,$sec,$min,$hour,$mday,$month,$year) = &get_timedates($now);
1.110 www 422: if (($defhour) || ($defmin) || ($defsec)) {
423: $sec=($defsec?$defsec:0);
424: $min=($defmin?$defmin:0);
425: $hour=($defhour?$defhour:0);
426: } elsif (!$includeempty) {
427: $sec=0;
428: $min=0;
429: $hour=0;
430: }
1.107 www 431: }
1.10 matthew 432: my $result = "\n<!-- $dname date setting form -->\n";
433: $result .= <<ENDJS;
1.135 albertel 434: <script type="text/javascript">
1.218 bisitz 435: // <![CDATA[
1.10 matthew 436: function $dname\_checkday() {
437: var day = document.$formname.$dname\_day.value;
438: var month = document.$formname.$dname\_month.value;
439: var year = document.$formname.$dname\_year.value;
440: var valid = true;
441: if (day < 1) {
442: document.$formname.$dname\_day.value = 1;
443: }
444: if (day > 31) {
445: document.$formname.$dname\_day.value = 31;
446: }
447: if ((month == 1) || (month == 3) || (month == 5) ||
448: (month == 7) || (month == 8) || (month == 10) ||
449: (month == 12)) {
450: if (day > 31) {
451: document.$formname.$dname\_day.value = 31;
452: day = 31;
453: }
454: } else if (month == 2 ) {
455: if ((year % 4 == 0) && (year % 100 != 0)) {
456: if (day > 29) {
457: document.$formname.$dname\_day.value = 29;
458: }
459: } else if (day > 29) {
460: document.$formname.$dname\_day.value = 28;
461: }
462: } else if (day > 30) {
463: document.$formname.$dname\_day.value = 30;
464: }
465: }
1.95 matthew 466:
1.59 matthew 467: function $dname\_disable() {
468: document.$formname.$dname\_month.disabled=true;
469: document.$formname.$dname\_day.disabled=true;
470: document.$formname.$dname\_year.disabled=true;
471: document.$formname.$dname\_hour.disabled=true;
472: document.$formname.$dname\_minute.disabled=true;
473: document.$formname.$dname\_second.disabled=true;
474: }
475:
476: function $dname\_enable() {
477: document.$formname.$dname\_month.disabled=false;
478: document.$formname.$dname\_day.disabled=false;
479: document.$formname.$dname\_year.disabled=false;
480: document.$formname.$dname\_hour.disabled=false;
481: document.$formname.$dname\_minute.disabled=false;
482: document.$formname.$dname\_second.disabled=false;
483: }
484:
1.29 www 485: function $dname\_opencalendar() {
1.59 matthew 486: if (! document.$formname.$dname\_month.disabled) {
487: var calwin=window.open(
1.29 www 488: "/adm/announcements?pickdate=yes&formname=$formname&element=$dname&month="+
489: document.$formname.$dname\_month.value+"&year="+
490: document.$formname.$dname\_year.value,
491: "LONCAPAcal",
492: "height=350,width=350,scrollbars=yes,resizable=yes,menubar=no");
1.59 matthew 493: }
1.29 www 494:
495: }
1.218 bisitz 496: // ]]>
1.10 matthew 497: </script>
498: ENDJS
1.192 bisitz 499: $result .= ' <span class="LC_nobreak">';
1.96 albertel 500: my $monthselector = qq{<select name="$dname\_month" $special $state onchange="javascript:$dname\_checkday()" >};
1.67 matthew 501: # Month
1.10 matthew 502: my @Months = qw/January February March April May June
503: July August September October November December/;
504: # Pad @Months with a bogus value to make indexing easier
505: unshift(@Months,'If you can read this an error occurred');
1.95 matthew 506: if ($includeempty) { $monthselector.="<option value=''></option>"; }
1.10 matthew 507: for(my $m = 1;$m <=$#Months;$m++) {
1.95 matthew 508: $monthselector .= qq{ <option value="$m" };
509: $monthselector .= "selected " if ($m-1 eq $month);
510: $monthselector .= '> '.&mt($Months[$m]).' </option>';
1.10 matthew 511: }
1.95 matthew 512: $monthselector.= ' </select>';
1.67 matthew 513: # Day
1.96 albertel 514: my $dayselector = qq{<input type="text" name="$dname\_day" $state value="$mday" size="3" $special onchange="javascript:$dname\_checkday()" />};
1.67 matthew 515: # Year
1.96 albertel 516: my $yearselector = qq{<input type="year" name="$dname\_year" $state value="$year" size="5" $special onchange="javascript:$dname\_checkday()" />};
1.95 matthew 517: #
518: my $hourselector = qq{<select name="$dname\_hour" $special $state >};
519: if ($includeempty) {
520: $hourselector.=qq{<option value=''></option>};
521: }
522: for (my $h = 0;$h<24;$h++) {
523: $hourselector .= qq{<option value="$h" };
524: $hourselector .= "selected " if (defined($hour) && $hour == $h);
525: $hourselector .= ">";
526: my $timest='';
527: if ($h == 0) {
528: $timest .= "12 am";
529: } elsif($h == 12) {
530: $timest .= "12 noon";
531: } elsif($h < 12) {
532: $timest .= "$h am";
533: } else {
534: $timest .= $h-12 ." pm";
535: }
536: $timest=&mt($timest);
537: $hourselector .= $timest." </option>\n";
538: }
539: $hourselector .= " </select>\n";
540: my $minuteselector = qq{<input type="text" name="$dname\_minute" $special $state value="$min" size="3" />};
541: my $secondselector= qq{<input type="text" name="$dname\_second" $special $state value="$sec" size="3" />};
1.134 raeburn 542: my $cal_link;
543: if (!$nolink) {
544: $cal_link = qq{<a href="javascript:$dname\_opencalendar()">};
545: }
1.95 matthew 546: #
1.175 raeburn 547: my $tzone = ' '.$tzname.' ';
1.95 matthew 548: if ($no_hh_mm_ss) {
1.134 raeburn 549: $result .= &mt('[_1] [_2] [_3] ',
1.174 raeburn 550: $monthselector,$dayselector,$yearselector).
551: $tzone;
1.134 raeburn 552: if (!$nolink) {
1.141 albertel 553: $result .= &mt('[_1]Select Date[_2]',$cal_link,'</a>');
1.134 raeburn 554: }
1.95 matthew 555: } else {
1.134 raeburn 556: $result .= &mt('[_1] [_2] [_3] [_4] [_5]m [_6]s ',
557: $monthselector,$dayselector,$yearselector,
1.174 raeburn 558: $hourselector,$minuteselector,$secondselector).
559: $tzone;
1.134 raeburn 560: if (!$nolink) {
1.141 albertel 561: $result .= &mt('[_1]Select Date[_2]',$cal_link,'</a>');
1.134 raeburn 562: }
1.67 matthew 563: }
1.135 albertel 564: $result .= "</span>\n<!-- end $dname date setting form -->\n";
1.10 matthew 565: return $result;
566: }
567:
1.175 raeburn 568: sub get_timedates {
569: my ($epoch) = @_;
570: my $dt = DateTime->from_epoch(epoch => $epoch)
571: ->set_time_zone(&Apache::lonlocal::gettimezone());
572: my $tzname = $dt->time_zone_short_name();
573: my $sec = $dt->second;
574: my $min = $dt->minute;
575: my $hour = $dt->hour;
576: my $mday = $dt->day;
577: my $month = $dt->month;
578: if ($month) {
579: $month --;
580: }
581: my $year = $dt->year;
582: return ($tzname,$sec,$min,$hour,$mday,$month,$year);
583: }
1.166 banghart 584:
585: sub build_url {
586: my ($base, $fields)=@_;
587: my $url;
588: $url = $base.'?';
1.168 albertel 589: foreach my $key (keys(%$fields)) {
590: $url.=&escape($key).'='.&escape($$fields{$key}).'&';
1.166 banghart 591: }
592: $url =~ s/&$//;
593: return $url;
594: }
595:
596:
1.10 matthew 597: ##############################################
598: ##############################################
599:
1.22 matthew 600: =pod
601:
1.10 matthew 602: =item &get_date_from_form
1.22 matthew 603:
604: get_date_from_form retrieves the date specified in an &date_setter form.
1.10 matthew 605:
606: Inputs:
607:
608: =over 4
609:
610: =item $dname
611:
612: The name passed to &datesetter, which prefixes the form elements.
613:
614: =item $defaulttime
615:
616: The unix time to use as the default in case of poor inputs.
617:
618: =back
619:
620: Returns: Unix time represented in the form.
621:
622: =cut
623:
624: ##############################################
625: ##############################################
626: sub get_date_from_form {
627: my ($dname) = @_;
628: my ($sec,$min,$hour,$day,$month,$year);
629: #
1.104 albertel 630: if (defined($env{'form.'.$dname.'_second'})) {
631: my $tmpsec = $env{'form.'.$dname.'_second'};
1.10 matthew 632: if (($tmpsec =~ /^\d+$/) && ($tmpsec >= 0) && ($tmpsec < 60)) {
633: $sec = $tmpsec;
634: }
1.64 albertel 635: if (!defined($tmpsec) || $tmpsec eq '') { $sec = 0; }
1.67 matthew 636: } else {
637: $sec = 0;
1.10 matthew 638: }
1.104 albertel 639: if (defined($env{'form.'.$dname.'_minute'})) {
640: my $tmpmin = $env{'form.'.$dname.'_minute'};
1.10 matthew 641: if (($tmpmin =~ /^\d+$/) && ($tmpmin >= 0) && ($tmpmin < 60)) {
642: $min = $tmpmin;
643: }
1.64 albertel 644: if (!defined($tmpmin) || $tmpmin eq '') { $min = 0; }
1.67 matthew 645: } else {
646: $min = 0;
1.10 matthew 647: }
1.104 albertel 648: if (defined($env{'form.'.$dname.'_hour'})) {
649: my $tmphour = $env{'form.'.$dname.'_hour'};
1.33 matthew 650: if (($tmphour =~ /^\d+$/) && ($tmphour >= 0) && ($tmphour < 24)) {
1.10 matthew 651: $hour = $tmphour;
652: }
1.67 matthew 653: } else {
654: $hour = 0;
1.10 matthew 655: }
1.104 albertel 656: if (defined($env{'form.'.$dname.'_day'})) {
657: my $tmpday = $env{'form.'.$dname.'_day'};
1.10 matthew 658: if (($tmpday =~ /^\d+$/) && ($tmpday > 0) && ($tmpday < 32)) {
659: $day = $tmpday;
660: }
661: }
1.104 albertel 662: if (defined($env{'form.'.$dname.'_month'})) {
663: my $tmpmonth = $env{'form.'.$dname.'_month'};
1.10 matthew 664: if (($tmpmonth =~ /^\d+$/) && ($tmpmonth > 0) && ($tmpmonth < 13)) {
1.175 raeburn 665: $month = $tmpmonth;
1.10 matthew 666: }
667: }
1.104 albertel 668: if (defined($env{'form.'.$dname.'_year'})) {
669: my $tmpyear = $env{'form.'.$dname.'_year'};
1.175 raeburn 670: if (($tmpyear =~ /^\d+$/) && ($tmpyear >= 1970)) {
671: $year = $tmpyear;
1.10 matthew 672: }
673: }
1.175 raeburn 674: if (($year<1970) || ($year>2037)) { return undef; }
1.33 matthew 675: if (defined($sec) && defined($min) && defined($hour) &&
1.175 raeburn 676: defined($day) && defined($month) && defined($year)) {
677: my $timezone = &Apache::lonlocal::gettimezone();
678: my $dt = DateTime->new( year => $year,
679: month => $month,
680: day => $day,
681: hour => $hour,
682: minute => $min,
683: second => $sec,
684: time_zone => $timezone,
685: );
686: my $epoch_time = $dt->epoch;
687: if ($epoch_time ne '') {
688: return $epoch_time;
689: } else {
690: return undef;
691: }
1.10 matthew 692: } else {
693: return undef;
694: }
1.20 matthew 695: }
696:
697: ##############################################
698: ##############################################
699:
700: =pod
701:
702: =item &pjump_javascript_definition()
703:
704: Returns javascript defining the 'pjump' function, which opens up a
705: parameter setting wizard.
706:
707: =cut
708:
709: ##############################################
710: ##############################################
711: sub pjump_javascript_definition {
712: my $Str = <<END;
1.109 www 713: function pjump(type,dis,value,marker,ret,call,hour,min,sec) {
1.20 matthew 714: parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
715: +"&value="+escape(value)+"&marker="+escape(marker)
716: +"&return="+escape(ret)
1.109 www 717: +"&call="+escape(call)+"&name="+escape(dis)
718: +"&defhour="+escape(hour)+"&defmin="+escape(min)
719: +"&defsec="+escape(sec),"LONCAPAparms",
1.20 matthew 720: "height=350,width=350,scrollbars=no,menubar=no");
721: }
722: END
723: return $Str;
1.10 matthew 724: }
725:
726: ##############################################
727: ##############################################
1.17 matthew 728:
729: =pod
730:
731: =item &javascript_nothing()
732:
733: Return an appropriate null for the users browser. This is used
734: as the first arguement for window.open calls when you want a blank
735: window that you can then write to.
736:
737: =cut
738:
739: ##############################################
740: ##############################################
741: sub javascript_nothing {
742: # mozilla and other browsers work with "''", but IE on mac does not.
743: my $nothing = "''";
744: my $user_browser;
745: my $user_os;
1.104 albertel 746: $user_browser = $env{'browser.type'} if (exists($env{'browser.type'}));
747: $user_os = $env{'browser.os'} if (exists($env{'browser.os'}));
1.17 matthew 748: if (! defined($user_browser) || ! defined($user_os)) {
749: (undef,$user_browser,undef,undef,undef,$user_os) =
750: &Apache::loncommon::decode_user_agent();
751: }
752: if ($user_browser eq 'explorer' && $user_os =~ 'mac') {
753: $nothing = "'javascript:void(0);'";
754: }
755: return $nothing;
756: }
757:
1.90 www 758: ##############################################
759: ##############################################
760: sub javascript_docopen {
1.171 albertel 761: my ($mimetype) = @_;
762: $mimetype ||= 'text/html';
1.90 www 763: # safari does not understand document.open() and loads "text/html"
764: my $nothing = "''";
765: my $user_browser;
766: my $user_os;
1.104 albertel 767: $user_browser = $env{'browser.type'} if (exists($env{'browser.type'}));
768: $user_os = $env{'browser.os'} if (exists($env{'browser.os'}));
1.90 www 769: if (! defined($user_browser) || ! defined($user_os)) {
770: (undef,$user_browser,undef,undef,undef,$user_os) =
771: &Apache::loncommon::decode_user_agent();
772: }
773: if ($user_browser eq 'safari' && $user_os =~ 'mac') {
774: $nothing = "document.clear()";
775: } else {
1.171 albertel 776: $nothing = "document.open('$mimetype','replace')";
1.90 www 777: }
778: return $nothing;
779: }
780:
1.21 matthew 781:
1.17 matthew 782: ##############################################
783: ##############################################
784:
1.21 matthew 785: =pod
1.17 matthew 786:
1.21 matthew 787: =item &StatusOptions()
1.10 matthew 788:
1.21 matthew 789: Returns html for a selection box which allows the user to choose the
790: enrollment status of students. The selection box name is 'Status'.
1.6 stredwic 791:
1.21 matthew 792: Inputs:
1.6 stredwic 793:
1.21 matthew 794: $status: the currently selected status. If undefined the value of
1.104 albertel 795: $env{'form.Status'} is taken. If that is undefined, a value of 'Active'
1.21 matthew 796: is used.
1.6 stredwic 797:
1.21 matthew 798: $formname: The name of the form. If defined the onchange attribute of
799: the selection box is set to document.$formname.submit().
1.6 stredwic 800:
1.21 matthew 801: $size: the size (number of lines) of the selection box.
1.6 stredwic 802:
1.27 matthew 803: $onchange: javascript to use when the value is changed. Enclosed in
804: double quotes, ""s, not single quotes.
805:
1.21 matthew 806: Returns: a perl string as described.
1.1 stredwic 807:
1.21 matthew 808: =cut
1.9 stredwic 809:
1.21 matthew 810: ##############################################
811: ##############################################
812: sub StatusOptions {
1.165 banghart 813: my ($status, $formName,$size,$onchange,$mult)=@_;
1.21 matthew 814: $size = 1 if (!defined($size));
815: if (! defined($status)) {
816: $status = 'Active';
1.104 albertel 817: $status = $env{'form.Status'} if (exists($env{'form.Status'}));
1.9 stredwic 818: }
1.1 stredwic 819:
820: my $Str = '';
821: $Str .= '<select name="Status"';
1.165 banghart 822: if (defined($mult)){
823: $Str .= ' multiple="multiple" ';
824: }
1.27 matthew 825: if(defined($formName) && $formName ne '' && ! defined($onchange)) {
1.1 stredwic 826: $Str .= ' onchange="document.'.$formName.'.submit()"';
1.27 matthew 827: }
828: if (defined($onchange)) {
829: $Str .= ' onchange="'.$onchange.'"';
1.1 stredwic 830: }
1.21 matthew 831: $Str .= ' size="'.$size.'" ';
1.1 stredwic 832: $Str .= '>'."\n";
1.153 raeburn 833: foreach my $type (['Active', &mt('Currently Has Access')],
834: ['Future', &mt('Will Have Future Access')],
835: ['Expired', &mt('Previously Had Access')],
836: ['Any', &mt('Any Access Status')]) {
1.151 albertel 837: my ($name,$label) = @$type;
838: $Str .= '<option value="'.$name.'" ';
839: if ($status eq $name) {
840: $Str .= 'selected="selected" ';
841: }
842: $Str .= '>'.$label.'</option>'."\n";
843: }
844:
1.1 stredwic 845: $Str .= '</select>'."\n";
1.7 stredwic 846: }
1.12 matthew 847:
848: ########################################################
849: ########################################################
1.7 stredwic 850:
1.23 matthew 851: =pod
852:
853: =item Progess Window Handling Routines
854:
855: These routines handle the creation, update, increment, and closure of
856: progress windows. The progress window reports to the user the number
857: of items completed and an estimate of the time required to complete the rest.
858:
859: =over 4
860:
861:
862: =item &Create_PrgWin
863:
864: Writes javascript to the client to open a progress window and returns a
865: data structure used for bookkeeping.
866:
867: Inputs
868:
869: =over 4
870:
871: =item $r Apache request
872:
873: =item $title The title of the progress window
874:
875: =item $heading A description (usually 1 line) of the process being initiated.
876:
877: =item $number_to_do The total number of items being processed.
1.50 albertel 878:
879: =item $type Either 'popup' or 'inline' (popup is assumed if nothing is
880: specified)
881:
1.51 albertel 882: =item $width Specify the width in charaters of the input field.
883:
1.50 albertel 884: =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
885:
886: =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 887:
888: =back
889:
890: Returns a hash containing the progress state data structure.
891:
892:
893: =item &Update_PrgWin
894:
895: Updates the text in the progress indicator. Does not increment the count.
896: See &Increment_PrgWin.
897:
898: Inputs:
899:
900: =over 4
901:
902: =item $r Apache request
903:
904: =item $prog_state Pointer to the data structure returned by &Create_PrgWin
905:
906: =item $displaystring The string to write to the status indicator
907:
908: =back
909:
910: Returns: none
911:
912:
913: =item Increment_PrgWin
914:
915: Increment the count of items completed for the progress window by 1.
916:
917: Inputs:
918:
919: =over 4
920:
921: =item $r Apache request
922:
923: =item $prog_state Pointer to the data structure returned by Create_PrgWin
924:
925: =item $extraInfo A description of the items being iterated over. Typically
926: 'student'.
927:
928: =back
929:
930: Returns: none
931:
932:
933: =item Close_PrgWin
934:
935: Closes the progress window.
936:
937: Inputs:
938:
939: =over 4
940:
941: =item $r Apache request
942:
943: =item $prog_state Pointer to the data structure returned by Create_PrgWin
944:
945: =back
946:
947: Returns: none
948:
949: =back
950:
951: =cut
952:
953: ########################################################
954: ########################################################
955:
1.51 albertel 956: my $uniq=0;
957: sub get_uniq_name {
958: $uniq++;
959: return 'uniquename'.$uniq;
960: }
961:
1.7 stredwic 962: # Create progress
963: sub Create_PrgWin {
1.51 albertel 964: my ($r, $title, $heading, $number_to_do,$type,$width,$formname,
965: $inputname)=@_;
1.49 albertel 966: if (!defined($type)) { $type='popup'; }
1.51 albertel 967: if (!defined($width)) { $width=55; }
1.49 albertel 968: my %prog_state;
969: $prog_state{'type'}=$type;
970: if ($type eq 'popup') {
971: $prog_state{'window'}='popwin';
1.122 albertel 972: my $start_page =
973: &Apache::loncommon::start_page($title,undef,
974: {'only_body' => 1,
975: 'bgcolor' => '#88DDFF',
976: 'js_ready' => 1});
977: my $end_page = &Apache::loncommon::end_page({'js_ready' => 1});
978:
1.49 albertel 979: #the whole function called through timeout is due to issues
980: #in mozilla Read BUG #2665 if you want to know the whole story
1.122 albertel 981: &r_print($r,'<script type="text/javascript">'.
1.218 bisitz 982: '// <![CDATA['.
1.49 albertel 983: "var popwin;
984: function openpopwin () {
985: popwin=open(\'\',\'popwin\',\'width=400,height=100\');".
1.122 albertel 986: "popwin.document.writeln(\'".$start_page.
1.170 albertel 987: "<h4>".&mt("$heading")."<\/h4>".
1.212 bisitz 988: "<form action=\"\" name=\"popremain\" method=\"post\">".
1.51 albertel 989: '<input type="text" size="'.$width.'" name="remaining" value="'.
1.131 albertel 990: &mt('Starting').'" /><\\/form>'.$end_page.
1.122 albertel 991: "\');".
1.49 albertel 992: "popwin.document.close();}".
1.218 bisitz 993: "\nwindow.setTimeout(openpopwin,0)".
994: '// ]]>'.
995: '</script>');
1.49 albertel 996: $prog_state{'formname'}='popremain';
997: $prog_state{'inputname'}="remaining";
998: } elsif ($type eq 'inline') {
999: $prog_state{'window'}='window';
1000: if (!$formname) {
1.51 albertel 1001: $prog_state{'formname'}=&get_uniq_name();
1.159 banghart 1002: &r_print($r,'<form action="" name="'.$prog_state{'formname'}.'">');
1.49 albertel 1003: } else {
1004: $prog_state{'formname'}=$formname;
1005: }
1006: if (!$inputname) {
1.51 albertel 1007: $prog_state{'inputname'}=&get_uniq_name();
1.170 albertel 1008: &r_print($r,&mt("$heading [_1]",' <input type="text" name="'.$prog_state{'inputname'}.'" size="'.$width.'" />'));
1.49 albertel 1009: } else {
1010: $prog_state{'inputname'}=$inputname;
1011:
1012: }
1013: if (!$formname) { &r_print($r,'</form>'); }
1014: &Update_PrgWin($r,\%prog_state,&mt('Starting'));
1015: }
1.7 stredwic 1016:
1.16 albertel 1017: $prog_state{'done'}=0;
1.23 matthew 1018: $prog_state{'firststart'}=&Time::HiRes::time();
1019: $prog_state{'laststart'}=&Time::HiRes::time();
1.16 albertel 1020: $prog_state{'max'}=$number_to_do;
1.49 albertel 1021:
1.14 albertel 1022: return %prog_state;
1.7 stredwic 1023: }
1024:
1025: # update progress
1026: sub Update_PrgWin {
1.14 albertel 1027: my ($r,$prog_state,$displayString)=@_;
1.218 bisitz 1028: &r_print($r,'<script type="text/javascript">'.
1029: '// <![CDATA['.
1030: $$prog_state{'window'}.'.document.'.
1.49 albertel 1031: $$prog_state{'formname'}.'.'.
1032: $$prog_state{'inputname'}.'.value="'.
1.218 bisitz 1033: $displayString.'";'.
1034: '// ]]>'.
1035: '</script>');
1.23 matthew 1036: $$prog_state{'laststart'}=&Time::HiRes::time();
1.14 albertel 1037: }
1038:
1039: # increment progress state
1040: sub Increment_PrgWin {
1041: my ($r,$prog_state,$extraInfo)=@_;
1.16 albertel 1042: $$prog_state{'done'}++;
1.23 matthew 1043: my $time_est= (&Time::HiRes::time() - $$prog_state{'firststart'})/
1044: $$prog_state{'done'} *
1.16 albertel 1045: ($$prog_state{'max'}-$$prog_state{'done'});
1046: $time_est = int($time_est);
1.80 matthew 1047: #
1048: my $min = int($time_est/60);
1049: my $sec = $time_est % 60;
1050: #
1051: my $str;
1.91 albertel 1052: if ($min == 0 && $sec > 1) {
1.80 matthew 1053: $str = '[_2] seconds';
1.91 albertel 1054: } elsif ($min == 1 && $sec > 1) {
1055: $str = '1 minute [_2] seconds';
1.80 matthew 1056: } elsif ($min == 1 && $sec < 2) {
1057: $str = '1 minute';
1058: } elsif ($min < 10 && $sec > 1) {
1059: $str = '[_1] minutes, [_2] seconds';
1.81 matthew 1060: } elsif ($min >= 10 || $sec < 2) {
1.80 matthew 1061: $str = '[_1] minutes';
1.16 albertel 1062: }
1.80 matthew 1063: $time_est = &mt($str,$min,$sec);
1064: #
1.23 matthew 1065: my $lasttime = &Time::HiRes::time()-$$prog_state{'laststart'};
1066: if ($lasttime > 9) {
1067: $lasttime = int($lasttime);
1068: } elsif ($lasttime < 0.01) {
1069: $lasttime = 0;
1070: } else {
1071: $lasttime = sprintf("%3.2f",$lasttime);
1072: }
1.19 matthew 1073: if ($lasttime == 1) {
1.32 www 1074: $lasttime = '('.$lasttime.' '.&mt('second for').' '.$extraInfo.')';
1.19 matthew 1075: } else {
1.32 www 1076: $lasttime = '('.$lasttime.' '.&mt('seconds for').' '.$extraInfo.')';
1.28 matthew 1077: }
1078: #
1.104 albertel 1079: my $user_browser = $env{'browser.type'} if (exists($env{'browser.type'}));
1080: my $user_os = $env{'browser.os'} if (exists($env{'browser.os'}));
1.28 matthew 1081: if (! defined($user_browser) || ! defined($user_os)) {
1082: (undef,$user_browser,undef,undef,undef,$user_os) =
1083: &Apache::loncommon::decode_user_agent();
1084: }
1085: if ($user_browser eq 'explorer' && $user_os =~ 'mac') {
1086: $lasttime = '';
1.19 matthew 1087: }
1.218 bisitz 1088: &r_print($r,'<script>'.
1089: '// <![CDATA['.
1090: $$prog_state{'window'}.'.document.'.
1.49 albertel 1091: $$prog_state{'formname'}.'.'.
1092: $$prog_state{'inputname'}.'.value="'.
1.48 albertel 1093: $$prog_state{'done'}.'/'.$$prog_state{'max'}.
1.218 bisitz 1094: ': '.$time_est.' '.&mt('remaining').' '.$lasttime.'";'.
1095: '// ]]>'.
1096: '</script>');
1.23 matthew 1097: $$prog_state{'laststart'}=&Time::HiRes::time();
1.7 stredwic 1098: }
1099:
1100: # close Progress Line
1101: sub Close_PrgWin {
1.14 albertel 1102: my ($r,$prog_state)=@_;
1.49 albertel 1103: if ($$prog_state{'type'} eq 'popup') {
1.218 bisitz 1104: &r_print($r,'<script>'.
1105: '// <![CDATA['.
1106: 'popwin.close()'.
1107: '// ]]>'.
1108: '</script>'."\n");
1.49 albertel 1109: } elsif ($$prog_state{'type'} eq 'inline') {
1110: &Update_PrgWin($r,$prog_state,&mt('Done'));
1111: }
1.48 albertel 1112: undef(%$prog_state);
1113: }
1114:
1115: sub r_print {
1116: my ($r,$to_print)=@_;
1117: if ($r) {
1118: $r->print($to_print);
1119: $r->rflush();
1.47 sakharuk 1120: } else {
1.48 albertel 1121: print($to_print);
1.47 sakharuk 1122: }
1.1 stredwic 1123: }
1.34 www 1124:
1125: # ------------------------------------------------------- Puts directory header
1126:
1127: sub crumbs {
1.132 www 1128: my ($uri,$target,$prefix,$form,$size,$noformat,$skiplast)=@_;
1.62 matthew 1129: if (! defined($size)) {
1130: $size = '+2';
1131: }
1.100 raeburn 1132: if ($target) {
1133: $target = ' target="'.
1134: &Apache::loncommon::escape_single($target).'"';
1135: }
1.78 www 1136: my $output='';
1137: unless ($noformat) { $output.='<br /><tt><b>'; }
1138: $output.='<font size="'.$size.'">'.$prefix.'/';
1.104 albertel 1139: if ($env{'user.adv'}) {
1.43 www 1140: my $path=$prefix.'/';
1.99 matthew 1141: foreach my $dir (split('/',$uri)) {
1142: if (! $dir) { next; }
1143: $path .= $dir;
1.150 albertel 1144: if ($path eq $uri) {
1.132 www 1145: if ($skiplast) {
1146: $output.=$dir;
1147: last;
1148: }
1149: } else {
1150: $path.='/';
1.157 albertel 1151: }
1152: my $href_path = &HTML::Entities::encode($path,'<>&"');
1.160 albertel 1153: &Apache::loncommon::inhibit_menu_check(\$href_path);
1.162 banghart 1154: if ($form) {
1155: my $href = 'javascript:'.$form.".action='".$href_path."';".$form.'.submit();';
1156: $output.=qq{<a href="$href" $target>$dir</a>/};
1157: } else {
1158: $output.=qq{<a href="$href_path" $target>$dir</a>/};
1159: }
1.35 www 1160: }
1161: } else {
1.149 albertel 1162: foreach my $dir (split('/',$uri)) {
1163: if (! $dir) { next; }
1164: $output.=$dir.'/';
1165: }
1.34 www 1166: }
1.149 albertel 1167: if ($uri !~ m|/$|) { $output=~s|/$||; }
1.78 www 1168: return $output.'</font>'.($noformat?'':'</b></tt><br />');
1.34 www 1169: }
1170:
1.85 www 1171: # --------------------- A function that generates a window for the spellchecker
1172:
1173: sub spellheader {
1.123 albertel 1174: my $start_page=
1175: &Apache::loncommon::start_page('Speller Suggestions',undef,
1.140 albertel 1176: {'only_body' => 1,
1177: 'js_ready' => 1,
1178: 'bgcolor' => '#DDDDDD',
1179: 'add_entries' => {
1180: 'onload' =>
1181: 'document.forms.spellcheckform.submit()',
1182: }
1183: });
1.123 albertel 1184: my $end_page=
1185: &Apache::loncommon::end_page({'js_ready' => 1});
1186:
1.105 www 1187: my $nothing=&javascript_nothing();
1.85 www 1188: return (<<ENDCHECK);
1189: <script type="text/javascript">
1.218 bisitz 1190: // <![CDATA[
1.92 albertel 1191: //<!-- BEGIN LON-CAPA Internal
1.85 www 1192: var checkwin;
1193:
1.140 albertel 1194: function spellcheckerwindow(string) {
1195: var esc_string = string.replace(/\"/g,'"');
1.105 www 1196: checkwin=window.open($nothing,'spellcheckwin','height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
1.154 albertel 1197: 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 1198: checkwin.document.close();
1199: }
1.92 albertel 1200: // END LON-CAPA Internal -->
1.218 bisitz 1201: // ]]>
1.85 www 1202: </script>
1203: ENDCHECK
1204: }
1205:
1206: # ---------------------------------- Generate link to spell checker for a field
1207:
1208: sub spelllink {
1209: my ($form,$field)=@_;
1210: my $linktext=&mt('Check Spelling');
1211: return (<<ENDLINK);
1.140 albertel 1212: <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 1213: ENDLINK
1214: }
1215:
1.52 www 1216: # ------------------------------------------------- Output headers for HTMLArea
1217:
1.124 albertel 1218: {
1219: my @htmlareafields;
1220: sub init_htmlareafields {
1221: undef(@htmlareafields);
1222: }
1223:
1224: sub add_htmlareafields {
1225: my (@newfields) = @_;
1226: push(@htmlareafields,@newfields);
1227: }
1228:
1229: sub get_htmlareafields {
1230: return @htmlareafields;
1231: }
1232: }
1233:
1.52 www 1234: sub htmlareaheaders {
1.167 albertel 1235: return if (&htmlareablocked());
1236: return if (!&htmlareabrowser());
1.52 www 1237: return (<<ENDHEADERS);
1.167 albertel 1238: <script type="text/javascript" src="/fckeditor/fckeditor.js"></script>
1.52 www 1239: ENDHEADERS
1240: }
1241:
1.76 www 1242: # ----------------------------------------------------------------- Preferences
1243:
1244: sub disablelink {
1.77 www 1245: my @fields=@_;
1246: if (defined($#fields)) {
1247: unless ($#fields>=0) { return ''; }
1248: }
1.130 www 1249: return '<a href="'.&HTML::Entities::encode('/adm/preferences?action=set_wysiwyg&wysiwyg=off&returnurl=','<>&"').&escape($ENV{'REQUEST_URI'}).'">'.&mt('Disable WYSIWYG Editor').'</a>';
1.76 www 1250: }
1251:
1252: sub enablelink {
1.77 www 1253: my @fields=@_;
1254: if (defined($#fields)) {
1255: unless ($#fields>=0) { return ''; }
1256: }
1.130 www 1257: return '<a href="'.&HTML::Entities::encode('/adm/preferences?action=set_wysiwyg&wysiwyg=on&returnurl=','<>&"').&escape($ENV{'REQUEST_URI'}).'">'.&mt('Enable WYSIWYG Editor').'</a>';
1.76 www 1258: }
1259:
1.167 albertel 1260: # ------------------------------------------------- lang to use in html editor
1261: sub htmlarea_lang {
1262: my $lang='en';
1263: if (&mt('htmlarea_lang') ne 'htmlarea_lang') {
1264: $lang=&mt('htmlarea_lang');
1265: }
1266: return $lang;
1267: }
1268:
1.72 www 1269: # ----------------------------------------- Script to activate only some fields
1270:
1271: sub htmlareaselectactive {
1.73 www 1272: my @fields=@_;
1.76 www 1273: unless (&htmlareabrowser()) { return ''; }
1.77 www 1274: if (&htmlareablocked()) { return '<br />'.&enablelink(@fields); }
1.218 bisitz 1275: my $output='<script type="text/javascript" defer="1">'
1276: .'// <![CDATA[';
1.167 albertel 1277: my $lang = &htmlarea_lang();
1278: foreach my $field (@fields) {
1279: $output.="
1280: {
1281: var oFCKeditor = new FCKeditor('$field');
1282: oFCKeditor.Config['CustomConfigurationsPath'] =
1283: '/fckeditor/loncapaconfig.js';
1284: oFCKeditor.ReplaceTextarea();
1285: oFCKeditor.Config['AutoDetectLanguage'] = false;
1286: oFCKeditor.Config['DefaultLanguage'] = '$lang';
1287: }";
1.72 www 1288: }
1.218 bisitz 1289: $output.="\nwindow.status='Activated Editfields';\n"
1290: .'// ]]>'
1291: .'</script><br />'.
1.77 www 1292: &disablelink(@fields);
1.72 www 1293: return $output;
1294: }
1295:
1.61 www 1296: # --------------------------------------------------------------------- Blocked
1297:
1298: sub htmlareablocked {
1.104 albertel 1299: unless ($env{'environment.wysiwygeditor'} eq 'on') { return 1; }
1.71 www 1300: return 0;
1.52 www 1301: }
1302:
1303: # ---------------------------------------- Browser capable of running HTMLArea?
1304:
1305: sub htmlareabrowser {
1306: return 1;
1307: }
1.53 matthew 1308:
1309: ############################################################
1310: ############################################################
1311:
1312: =pod
1313:
1314: =item breadcrumbs
1315:
1316: Compiles the previously registered breadcrumbs into an series of links.
1317: FAQ and BUG links will be placed on the left side of the table if they
1318: are defined for the last registered breadcrumb.
1319: Additionally supports a 'component', which will be displayed on the
1320: right side of the table (without a link).
1321: A link to help for the component will be included if one is specified.
1322:
1323: All inputs can be undef without problems.
1324:
1.138 albertel 1325: Inputs: $component (the large text on the right side of the table),
1.53 matthew 1326: $component_help
1.63 albertel 1327: $menulink (boolean, controls whether to include a link to /adm/menu)
1.138 albertel 1328: $helplink (if 'nohelp' don't include the orange help link)
1329: $css_class (optional name for the class to apply to the table for CSS)
1.197 raeburn 1330: $no_mt (optional flag, 1 if &mt() is _not_ to be applied to $component
1331: when including the text on the right.
1.53 matthew 1332: Returns a string containing breadcrumbs for the current page.
1333:
1334: =item clear_breadcrumbs
1335:
1336: Clears the previously stored breadcrumbs.
1337:
1338: =item add_breadcrumb
1339:
1340: Pushes a breadcrumb on the stack of crumbs.
1341:
1342: input: $breadcrumb, a hash reference. The keys 'href','title', and 'text'
1343: are required. If present the keys 'faq' and 'bug' will be used to provide
1.156 albertel 1344: links to the FAQ and bug sites. If the key 'no_mt' is present the 'title'
1345: and 'text' values won't be sent through &mt()
1.53 matthew 1346:
1347: returns: nothing
1348:
1349: =cut
1350:
1351: ############################################################
1352: ############################################################
1353: {
1354: my @Crumbs;
1.57 matthew 1355:
1.53 matthew 1356: sub breadcrumbs {
1.216 bisitz 1357: my ($component,$component_help,$menulink,$helplink,$css_class,$no_mt, $CourseBreadcrumbs) = @_;
1.53 matthew 1358: #
1.215 droeschl 1359: $css_class ||= 'LC_breadcrumbs';
1.214 tempelho 1360: my $Str1 = '<div id="LC_head_subbox"><ol id="LC_MenuBreadcrumbs">';
1.205 amueller 1361:
1.216 bisitz 1362: if($CourseBreadcrumbs){
1363: $Str1 = '<ul id="LC_CourseBreadcrumbs">';
1.205 amueller 1364: }
1365:
1.199 bisitz 1366: my $Str = '';
1.57 matthew 1367: #
1368: # Make the faq and bug data cascade
1369: my $faq = '';
1370: my $bug = '';
1.215 droeschl 1371: my $help='';
1372: # Crumb Symbol
1373: my $crumbsymbol = '» ';
1.60 www 1374: # The last breadcrumb does not have a link, so handle it separately.
1.53 matthew 1375: my $last = pop(@Crumbs);
1.57 matthew 1376: #
1.70 matthew 1377: # The first one should be the course or a menu link
1.215 droeschl 1378: if (!defined($menulink)) { $menulink=1; }
1.70 matthew 1379: if ($menulink) {
1380: my $description = 'Menu';
1.172 raeburn 1381: my $no_mt_descr = 0;
1.104 albertel 1382: if (exists($env{'request.course.id'}) &&
1383: $env{'request.course.id'} ne '') {
1.70 matthew 1384: $description =
1.104 albertel 1385: $env{'course.'.$env{'request.course.id'}.'.description'};
1.172 raeburn 1386: $no_mt_descr = 1;
1.70 matthew 1387: }
1.215 droeschl 1388: $menulink = { href =>'/adm/menu',
1389: title =>'Go to main menu',
1390: target =>'_top',
1391: text =>$description,
1392: no_mt =>$no_mt_descr, };
1393: if($last) {
1394: #$last set, so we have some crumbs
1395: unshift(@Crumbs,$menulink);
1396: } else {
1397: #only menulink crumb present
1398: $last = $menulink;
1399: }
1.53 matthew 1400: }
1.219 droeschl 1401: my $links = join "",
1.53 matthew 1402: map {
1.219 droeschl 1403: $faq = $_->{'faq'} if (exists($_->{'faq'}));
1404: $bug = $_->{'bug'} if (exists($_->{'bug'}));
1.106 www 1405: $help = $_->{'help'} if (exists($_->{'help'}));
1.219 droeschl 1406:
1407: my $result = htmltag( 'a',
1408: $_->{no_mt} ? $_->{text} : mt($_->{text}),
1409: {
1410: href => $_->{href},
1411: title => $_->{no_mt} ? $_->{title} : mt($_->{title}),
1412: target => $_->{target},
1413: });
1414: $result = htmltag( 'li', $crumbsymbol.$result);
1415: } @Crumbs;
1.207 amueller 1416: #Workaround for edit course.
1417: if(@Crumbs == 0 ){
1418: $links .= '<li>' if ($links ne '');
1419: } else {
1420: $links .= '<li>'.$crumbsymbol if ($links ne '');
1421: }
1422: #should the last Element be translated?
1.156 albertel 1423: if ($last->{'no_mt'}) {
1.207 amueller 1424: $links .= '<b>'.$last->{'text'}.'</b>';
1.156 albertel 1425: } else {
1.207 amueller 1426: $links .= '<b>'.&mt($last->{'text'}).'</b>';
1.156 albertel 1427: }
1.207 amueller 1428: $links .= '</li>';
1.54 matthew 1429: my $icons = '';
1.57 matthew 1430: $faq = $last->{'faq'} if (exists($last->{'faq'}));
1431: $bug = $last->{'bug'} if (exists($last->{'bug'}));
1.106 www 1432: $help = $last->{'help'} if (exists($last->{'help'}));
1433: $component_help=($component_help?$component_help:$help);
1.145 albertel 1434: # if ($faq ne '') {
1435: # $icons .= &Apache::loncommon::help_open_faq($faq);
1436: # }
1.79 raeburn 1437: # if ($bug ne '') {
1438: # $icons .= &Apache::loncommon::help_open_bug($bug);
1439: # }
1.144 albertel 1440: if ($faq ne '' || $component_help ne '' || $bug ne '') {
1.137 albertel 1441: $icons .= &Apache::loncommon::help_open_menu($component,
1.126 albertel 1442: $component_help,
1.137 albertel 1443: $faq,$bug);
1.87 albertel 1444: }
1.54 matthew 1445: #
1.205 amueller 1446:
1447:
1.216 bisitz 1448: if($CourseBreadcrumbs){
1.205 amueller 1449: $Str1 .= $links.'</ul>';
1450: } else {
1.214 tempelho 1451: $Str1 .= $links.'</ol></div>';
1.205 amueller 1452: }
1.54 matthew 1453: #
1.53 matthew 1454: if (defined($component)) {
1.199 bisitz 1455: $Str .= "\n".'<table class="'.$css_class.'">'
1456: .'<tr><td class="'.$css_class.'_component">';
1.197 raeburn 1457: if ($no_mt) {
1458: $Str .= $component;
1459: } else {
1460: $Str .= &mt($component);
1461: }
1.144 albertel 1462: if ($icons ne '') {
1463: $Str .= ' '.$icons;
1464: }
1.199 bisitz 1465: $Str .= '</td></tr></table>'."\n";
1.53 matthew 1466: }
1467: #
1468: # Return the @Crumbs stack to what we started with
1469: push(@Crumbs,$last);
1470: shift(@Crumbs);
1.207 amueller 1471: # Return a table and after that the breadcrumb's line
1.199 bisitz 1472: return "$Str\n$Str1";
1.53 matthew 1473: }
1474:
1475: sub clear_breadcrumbs {
1476: undef(@Crumbs);
1477: }
1478:
1479: sub add_breadcrumb {
1480: push (@Crumbs,@_);
1481: }
1482:
1.57 matthew 1483: } # End of scope for @Crumbs
1.53 matthew 1484:
1485: ############################################################
1486: ############################################################
1487:
1.112 raeburn 1488: # Nested table routines.
1489: #
1490: # Routines to display form items in a multi-row table with 2 columns.
1491: # Uses nested tables to divide form elements into segments.
1492: # For examples of use see loncom/interface/lonnotify.pm
1493: #
1494: # Can be used in following order: ...
1495: # &start_pick_box()
1496: # row1
1497: # row2
1498: # row3 ... etc.
1.173 raeburn 1499: # &submit_row()
1.161 raeburn 1500: # &end_pick_box()
1.112 raeburn 1501: #
1502: # where row1, row 2 etc. are chosen from &role_select_row,&course_select_row,
1503: # &status_select_row and &email_default_row
1504: #
1505: # Can also be used in following order:
1506: #
1507: # &start_pick_box()
1508: # &row_title()
1509: # &row_closure()
1510: # &row_title()
1511: # &row_closure() ... etc.
1512: # &submit_row()
1513: # &end_pick_box()
1514: #
1515: # In general a &submit_row() call should proceed the call to &end_pick_box(),
1516: # as this routine adds a button for form submission.
1.113 raeburn 1517: # &submit_row() does not require a &row_closure after it.
1.112 raeburn 1518: #
1519: # &start_pick_box() creates a bounding table with 1-pixel wide black border.
1520: # rows should be placed between calls to &start_pick_box() and &end_pick_box.
1521: #
1522: # &row_title() adds a title in the left column for each segment.
1523: # &row_closure() closes a row with a 1-pixel wide black line.
1524: #
1525: # &role_select_row() provides a select box from which to choose 1 or more roles
1526: # &course_select_row provides ways of picking groups of courses
1527: # radio buttons: all, by category or by picking from a course picker pop-up
1528: # note: by category option is only displayed if a domain has implemented
1529: # selection by year, semester, department, number etc.
1530: #
1531: # &status_select_row() provides a select box from which to choose 1 or more
1532: # access types (current access, prior access, and future access)
1533: #
1534: # &email_default_row() provides text boxes for default e-mail suffixes for
1535: # different authentication types in a domain.
1536: #
1537: # &row_title() and &row_closure() are called internally by the &*_select_row
1538: # routines, but can also be called directly to start and end rows which have
1539: # needs that are not accommodated by the *_select_row() routines.
1540:
1.193 bisitz 1541: { # Start: row_count block for pick_box
1542: my @row_count;
1543:
1.112 raeburn 1544: sub start_pick_box {
1.142 albertel 1545: my ($css_class) = @_;
1546: if (defined($css_class)) {
1547: $css_class = 'class="'.$css_class.'"';
1548: } else {
1549: $css_class= 'class="LC_pick_box"';
1550: }
1.193 bisitz 1551: unshift(@row_count,0);
1.112 raeburn 1552: my $output = <<"END";
1.142 albertel 1553: <table $css_class>
1.112 raeburn 1554: END
1555: return $output;
1556: }
1557:
1558: sub end_pick_box {
1.193 bisitz 1559: shift(@row_count);
1.112 raeburn 1560: my $output = <<"END";
1561: </table>
1562: END
1563: return $output;
1564: }
1565:
1.181 bisitz 1566: sub row_headline {
1567: my $output = <<"END";
1568: <tr><td colspan="2">
1569: END
1570: return $output;
1571: }
1572:
1.112 raeburn 1573: sub row_title {
1.210 raeburn 1574: my ($title,$css_title_class,$css_value_class) = @_;
1.193 bisitz 1575: $row_count[0]++;
1576: my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
1.142 albertel 1577: $css_title_class ||= 'LC_pick_box_title';
1578: $css_title_class = 'class="'.$css_title_class.'"';
1579:
1580: $css_value_class ||= 'LC_pick_box_value';
1581:
1.173 raeburn 1582: if ($title ne '') {
1583: $title .= ':';
1584: }
1.112 raeburn 1585: my $output = <<"ENDONE";
1.142 albertel 1586: <tr class="LC_pick_box_row">
1587: <td $css_title_class>
1.173 raeburn 1588: $title
1.112 raeburn 1589: </td>
1.193 bisitz 1590: <td class="$css_value_class $css_class">
1.112 raeburn 1591: ENDONE
1592: return $output;
1593: }
1594:
1595: sub row_closure {
1.143 albertel 1596: my ($no_separator) =@_;
1.113 raeburn 1597: my $output = <<"ENDTWO";
1.112 raeburn 1598: </td>
1599: </tr>
1.143 albertel 1600: ENDTWO
1601: if (!$no_separator) {
1602: $output .= <<"ENDTWO";
1.112 raeburn 1603: <tr>
1.143 albertel 1604: <td colspan="2" class="LC_pick_box_separator">
1.112 raeburn 1605: </td>
1606: </tr>
1607: ENDTWO
1.143 albertel 1608: }
1.112 raeburn 1609: return $output;
1610: }
1611:
1.193 bisitz 1612: } # End: row_count block for pick_box
1613:
1614:
1.112 raeburn 1615: sub role_select_row {
1.147 raeburn 1616: my ($roles,$title,$css_class,$show_separate_custom,$cdom,$cnum) = @_;
1.116 raeburn 1617: my $output;
1618: if (defined($title)) {
1.142 albertel 1619: $output = &row_title($title,$css_class);
1.116 raeburn 1620: }
1.142 albertel 1621: $output .= qq|
1.198 bisitz 1622: <select name="roles" multiple="multiple">\n|;
1.113 raeburn 1623: foreach my $role (@$roles) {
1.114 raeburn 1624: my $plrole;
1625: if ($role eq 'ow') {
1626: $plrole = &mt('Course Owner');
1.147 raeburn 1627: } elsif ($role eq 'cr') {
1628: if ($show_separate_custom) {
1629: if ($cdom ne '' && $cnum ne '') {
1630: my %course_customroles = &course_custom_roles($cdom,$cnum);
1631: foreach my $crrole (sort(keys(%course_customroles))) {
1632: my ($plcrrole) = ($crrole =~ m|^cr/[^/]+/[^/]+/(.+)$|);
1633: $output .= ' <option value="'.$crrole.'">'.$plcrrole.
1634: '</option>';
1635: }
1636: }
1637: } else {
1638: $plrole = &mt('Custom Role');
1639: }
1.114 raeburn 1640: } else {
1641: $plrole=&Apache::lonnet::plaintext($role);
1642: }
1.147 raeburn 1643: if (($role ne 'cr') || (!$show_separate_custom)) {
1644: $output .= ' <option value="'.$role.'">'.$plrole.'</option>';
1645: }
1.112 raeburn 1646: }
1.142 albertel 1647: $output .= qq| </select>\n|;
1.116 raeburn 1648: if (defined($title)) {
1649: $output .= &row_closure();
1650: }
1.112 raeburn 1651: return $output;
1652: }
1653:
1654: sub course_select_row {
1.142 albertel 1655: my ($title,$formname,$totcodes,$codetitles,$idlist,$idlist_titles,
1656: $css_class) = @_;
1657: my $output = &row_title($title,$css_class);
1.169 raeburn 1658: $output .= &course_selection($formname,$totcodes,$codetitles,$idlist,$idlist_titles);
1659: $output .= &row_closure();
1660: return $output;
1661: }
1662:
1663: sub course_selection {
1664: my ($formname,$totcodes,$codetitles,$idlist,$idlist_titles) = @_;
1665: my $output = qq|
1.142 albertel 1666: <script type="text/javascript">
1.218 bisitz 1667: // <![CDATA[
1.112 raeburn 1668: function coursePick (formname) {
1669: for (var i=0; i<formname.coursepick.length; i++) {
1.114 raeburn 1670: if (formname.coursepick[i].value == 'category') {
1671: courseSet('');
1672: }
1.112 raeburn 1673: if (!formname.coursepick[i].checked) {
1674: if (formname.coursepick[i].value == 'specific') {
1675: formname.coursetotal.value = 0;
1676: formname.courselist = '';
1677: }
1678: }
1679: }
1680: }
1.114 raeburn 1681: function setPick (formname) {
1682: for (var i=0; i<formname.coursepick.length; i++) {
1683: if (formname.coursepick[i].value == 'category') {
1684: formname.coursepick[i].checked = true;
1685: }
1686: formname.coursetotal.value = 0;
1687: formname.courselist = '';
1688: }
1689: }
1.218 bisitz 1690: // ]]>
1.112 raeburn 1691: </script>
1692: |;
1693: my $courseform='<b>'.&Apache::loncommon::selectcourse_link
1.118 raeburn 1694: ($formname,'pickcourse','pickdomain','coursedesc','',1).'</b>';
1.129 raeburn 1695: $output .= '<input type="radio" name="coursepick" value="all" onclick="coursePick(this.form)" />'.&mt('All courses').'<br />';
1.112 raeburn 1696: if ($totcodes > 0) {
1697: my $numtitles = @$codetitles;
1698: if ($numtitles > 0) {
1.129 raeburn 1699: $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 1700: $output .= '<table><tr><td>'.$$codetitles[0].'<br />'."\n".
1701: '<select name="'.$$codetitles[0].
1.114 raeburn 1702: '" onChange="setPick(this.form);courseSet('."'$$codetitles[0]'".')">'."\n".
1.112 raeburn 1703: ' <option value="-1" />Select'."\n";
1704: my @items = ();
1705: my @longitems = ();
1706: if ($$idlist{$$codetitles[0]} =~ /","/) {
1.113 raeburn 1707: @items = split(/","/,$$idlist{$$codetitles[0]});
1.112 raeburn 1708: } else {
1709: $items[0] = $$idlist{$$codetitles[0]};
1710: }
1711: if (defined($$idlist_titles{$$codetitles[0]})) {
1712: if ($$idlist_titles{$$codetitles[0]} =~ /","/) {
1.113 raeburn 1713: @longitems = split(/","/,$$idlist_titles{$$codetitles[0]});
1.112 raeburn 1714: } else {
1715: $longitems[0] = $$idlist_titles{$$codetitles[0]};
1716: }
1717: for (my $i=0; $i<@longitems; $i++) {
1718: if ($longitems[$i] eq '') {
1719: $longitems[$i] = $items[$i];
1720: }
1721: }
1722: } else {
1723: @longitems = @items;
1724: }
1725: for (my $i=0; $i<@items; $i++) {
1726: $output .= ' <option value="'.$items[$i].'">'.$longitems[$i].'</option>';
1727: }
1728: $output .= '</select></td>';
1729: for (my $i=1; $i<$numtitles; $i++) {
1730: $output .= '<td>'.$$codetitles[$i].'<br />'."\n".
1731: '<select name="'.$$codetitles[$i].
1732: '" onChange="courseSet('."'$$codetitles[$i]'".')">'."\n".
1733: '<option value="-1"><-Pick '.$$codetitles[$i-1].'</option>'."\n".
1734: '</select>'."\n".
1735: '</td>';
1736: }
1737: $output .= '</tr></table><br />';
1738: }
1739: }
1.169 raeburn 1740: $output .= '<input type="radio" name="coursepick" value="specific" onclick="coursePick(this.form);opencrsbrowser('."'".$formname."','dccourse','dcdomain','coursedesc','','1'".')" />'.&mt('Pick specific course(s):').' '.$courseform.' <input type="text" value="0" size="4" name="coursetotal" /><input type="hidden" name="courselist" value="" />selected.<br />'."\n";
1.112 raeburn 1741: return $output;
1742: }
1743:
1744: sub status_select_row {
1.142 albertel 1745: my ($types,$title,$css_class) = @_;
1.117 raeburn 1746: my $output;
1747: if (defined($title)) {
1.142 albertel 1748: $output = &row_title($title,$css_class,'LC_pick_box_select');
1.117 raeburn 1749: }
1.142 albertel 1750: $output .= qq|
1.198 bisitz 1751: <select name="types" multiple="multiple">\n|;
1.113 raeburn 1752: foreach my $status_type (sort(keys(%{$types}))) {
1.112 raeburn 1753: $output .= ' <option value="'.$status_type.'">'.$$types{$status_type}.'</option>';
1754: }
1.142 albertel 1755: $output .= qq| </select>\n|;
1.117 raeburn 1756: if (defined($title)) {
1757: $output .= &row_closure();
1758: }
1.112 raeburn 1759: return $output;
1760: }
1761:
1762: sub email_default_row {
1.142 albertel 1763: my ($authtypes,$title,$descrip,$css_class) = @_;
1764: my $output = &row_title($title,$css_class);
1765: $output .= $descrip.
1766: &Apache::loncommon::start_data_table().
1767: &Apache::loncommon::start_data_table_header_row().
1768: '<th>'.&mt('Authentication Method').'</th>'.
1769: '<th align="right">'.&mt('Username -> e-mail conversion').'</th>'."\n".
1770: &Apache::loncommon::end_data_table_header_row();
1.112 raeburn 1771: my $rownum = 0;
1.113 raeburn 1772: foreach my $auth (sort(keys(%{$authtypes}))) {
1.112 raeburn 1773: my ($userentry,$size);
1774: if ($auth =~ /^krb/) {
1775: $userentry = '';
1776: $size = 25;
1777: } else {
1778: $userentry = 'username@';
1779: $size = 15;
1780: }
1.142 albertel 1781: $output .= &Apache::loncommon::start_data_table_row().
1782: '<td> '.$$authtypes{$auth}.'</td>'.
1783: '<td align="right">'.$userentry.
1784: '<input type="text" name="'.$auth.'" size="'.$size.'" /></td>'.
1785: &Apache::loncommon::end_data_table_row();
1.112 raeburn 1786: }
1.142 albertel 1787: $output .= &Apache::loncommon::end_data_table();
1.112 raeburn 1788: $output .= &row_closure();
1789: return $output;
1790: }
1791:
1792:
1793: sub submit_row {
1.142 albertel 1794: my ($title,$cmd,$submit_text,$css_class) = @_;
1795: my $output = &row_title($title,$css_class,'LC_pick_box_submit');
1.112 raeburn 1796: $output .= qq|
1797: <br />
1798: <input type="hidden" name="command" value="$cmd" />
1799: <input type="submit" value="$submit_text"/>
1800: <br /><br />
1.142 albertel 1801: \n|;
1.112 raeburn 1802: return $output;
1803: }
1.1 stredwic 1804:
1.147 raeburn 1805: sub course_custom_roles {
1806: my ($cdom,$cnum) = @_;
1807: my %returnhash=();
1808: my %coursepersonnel=&Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
1809: foreach my $person (sort(keys(%coursepersonnel))) {
1810: my ($role) = ($person =~ /^([^:]+):/);
1811: my ($end,$start) = split(/:/,$coursepersonnel{$person});
1812: if ($end == -1 && $start == -1) {
1813: next;
1814: }
1815: if ($role =~ m|^cr/[^/]+/[^/]+/[^/]|) {
1816: $returnhash{$role} ++;
1817: }
1818: }
1819: return %returnhash;
1820: }
1821:
1822:
1.119 raeburn 1823: ##############################################
1824: ##############################################
1.179 raeburn 1825:
1826: # topic_bar
1827: #
1828: # Generates a div containing a numbered (static image) followed by a title
1829: # with a background color defined in the corresponding CSS: LC_topic_bar
1830: #
1831: sub topic_bar {
1832: my ($imgnum,$title) = @_;
1.220 bisitz 1833: return '<div class="LC_topic_bar">'
1834: .'<img src="/res/adm/pages/bl_step'.$imgnum.'.gif"'
1835: .' alt="'.&mt('Step [_1]',$imgnum).'" />'
1.221 bisitz 1836: .' '.$title
1.220 bisitz 1837: .'</div>';
1.179 raeburn 1838: }
1839:
1840: ##############################################
1841: ##############################################
1.119 raeburn 1842:
1843: # echo_form_input
1844: #
1845: # Generates html markup to add form elements from the referrer page
1846: # as hidden form elements (values encoded) in the new page.
1847: #
1848: # Intended to support two types of use
1849: # (a) to allow backing up to earlier pages in a multi-page
1850: # form submission process using a breadcrumb trail.
1851: #
1852: # (b) to allow the current page to be reloaded with form elements
1853: # set on previous page to remain unchanged. An example would
1854: # be where the a page containing a dynamically-built table of data is
1855: # is to be redisplayed, with only the sort order of the data changed.
1856: #
1857: # Inputs:
1858: # 1. Reference to array of form elements in the submitted form on
1859: # the referrer page which are to be excluded from the echoed elements.
1860: #
1861: # 2. Reference to array of regular expressions, which if matched in the
1862: # name of the form element n the referrer page will be omitted from echo.
1863: #
1864: # Outputs: A scalar containing the html markup for the echoed form
1865: # elements (all as hidden elements, with values encoded).
1866:
1867:
1868: sub echo_form_input {
1869: my ($excluded,$regexps) = @_;
1870: my $output = '';
1871: foreach my $key (keys(%env)) {
1872: if ($key =~ /^form\.(.+)$/) {
1873: my $name = $1;
1874: my $match = 0;
1875: if ((!@{$excluded}) || (!grep/^$name$/,@{$excluded})) {
1876: if (defined($regexps)) {
1877: if (@{$regexps} > 0) {
1878: foreach my $regexp (@{$regexps}) {
1879: if ($name =~ /\Q$regexp\E/) {
1880: $match = 1;
1881: last;
1882: }
1883: }
1884: }
1885: }
1886: if (!$match) {
1887: if (ref($env{$key})) {
1888: foreach my $value (@{$env{$key}}) {
1889: $value = &HTML::Entities::encode($value,'<>&"');
1890: $output .= '<input type="hidden" name="'.$name.
1891: '" value="'.$value.'" />'."\n";
1892: }
1893: } else {
1894: my $value = &HTML::Entities::encode($env{$key},'<>&"');
1895: $output .= '<input type="hidden" name="'.$name.
1896: '" value="'.$value.'" />'."\n";
1897: }
1898: }
1899: }
1900: }
1901: }
1902: return $output;
1903: }
1904:
1905: ##############################################
1906: ##############################################
1907:
1908: # set_form_elements
1909: #
1910: # Generates javascript to set form elements to values based on
1911: # corresponding values for the same form elements when the page was
1912: # previously submitted.
1913: #
1914: # Last submission values are read from hidden form elements in referring
1915: # page which have the same name, i.e., generated by &echo_form_input().
1916: #
1917: # Intended to be called by onload event.
1918: #
1.121 raeburn 1919: # Inputs:
1920: # (a) Reference to hash of echoed form elements to be set.
1.119 raeburn 1921: #
1922: # In the hash, keys are the form element names, and the values are the
1923: # element type (selectbox, radio, checkbox or text -for textbox, textarea or
1924: # hidden).
1.121 raeburn 1925: #
1926: # (b) Optional reference to hash of stored elements to be set.
1927: #
1928: # If the page being displayed is a page which permits modification of
1929: # previously stored data, e.g., the first page in a multi-page submission,
1930: # then if stored is supplied, form elements will be set to the last stored
1931: # values. If user supplied values are also available for the same elements
1932: # these will replace the stored values.
1933: #
1.119 raeburn 1934: # Output:
1935: #
1936: # javascript function - set_form_elements() which sets form elements,
1937: # expects an argument: formname - the name of the form according to
1938: # the DOM, e.g., document.compose
1939:
1940: sub set_form_elements {
1.121 raeburn 1941: my ($elements,$stored) = @_;
1942: my %values;
1.119 raeburn 1943: my $output .= 'function setFormElements(courseForm) {
1.121 raeburn 1944: ';
1945: if (defined($stored)) {
1946: foreach my $name (keys(%{$stored})) {
1947: if (exists($$elements{$name})) {
1948: if (ref($$stored{$name}) eq 'ARRAY') {
1949: $values{$name} = $$stored{$name};
1950: } else {
1951: @{$values{$name}} = ($$stored{$name});
1952: }
1953: }
1954: }
1955: }
1956:
1.119 raeburn 1957: foreach my $key (keys(%env)) {
1958: if ($key =~ /^form\.(.+)$/) {
1959: my $name = $1;
1960: if (exists($$elements{$name})) {
1.121 raeburn 1961: @{$values{$name}} = &Apache::loncommon::get_env_multiple($key);
1962: }
1963: }
1964: }
1965:
1966: foreach my $name (keys(%values)) {
1967: for (my $i=0; $i<@{$values{$name}}; $i++) {
1968: $values{$name}[$i] = &HTML::Entities::decode($values{$name}[$i],'<>&"');
1969: $values{$name}[$i] =~ s/([\r\n\f]+)/\\n/g;
1970: $values{$name}[$i] =~ s/"/\\"/g;
1971: }
1972: if ($$elements{$name} eq 'text') {
1973: my $numvalues = @{$values{$name}};
1974: if ($numvalues > 1) {
1975: my $valuestring = join('","',@{$values{$name}});
1976: $output .= qq|
1.119 raeburn 1977: var textvalues = new Array ("$valuestring");
1.147 raeburn 1978: var total = courseForm.elements['$name'].length;
1.119 raeburn 1979: if (total > $numvalues) {
1980: total = $numvalues;
1981: }
1982: for (var i=0; i<total; i++) {
1.147 raeburn 1983: courseForm.elements['$name']\[i].value = textvalues[i];
1.119 raeburn 1984: }
1985: |;
1.121 raeburn 1986: } else {
1987: $output .= qq|
1.147 raeburn 1988: courseForm.elements['$name'].value = "$values{$name}[0]";
1.119 raeburn 1989: |;
1.121 raeburn 1990: }
1991: } else {
1992: $output .= qq|
1.147 raeburn 1993: var elementLength = courseForm.elements['$name'].length;
1.119 raeburn 1994: if (elementLength==undefined) {
1995: |;
1.121 raeburn 1996: foreach my $value (@{$values{$name}}) {
1997: if ($$elements{$name} eq 'selectbox') {
1998: $output .= qq|
1.147 raeburn 1999: if (courseForm.elements['$name'].options[0].value == "$value") {
2000: courseForm.elements['$name'].options[0].selected = true;
1.119 raeburn 2001: }|;
1.121 raeburn 2002: } elsif (($$elements{$name} eq 'radio') ||
2003: ($$elements{$name} eq 'checkbox')) {
2004: $output .= qq|
1.147 raeburn 2005: if (courseForm.elements['$name'].value == "$value") {
1.148 albertel 2006: courseForm.elements['$name'].checked = true;
1.119 raeburn 2007: }|;
1.121 raeburn 2008: }
2009: }
2010: $output .= qq|
1.119 raeburn 2011: }
2012: else {
1.147 raeburn 2013: for (var i=0; i<courseForm.elements['$name'].length; i++) {
1.119 raeburn 2014: |;
1.121 raeburn 2015: if ($$elements{$name} eq 'selectbox') {
2016: $output .= qq|
1.147 raeburn 2017: courseForm.elements['$name'].options[i].selected = false;|;
1.121 raeburn 2018: } elsif (($$elements{$name} eq 'radio') ||
2019: ($$elements{$name} eq 'checkbox')) {
2020: $output .= qq|
1.147 raeburn 2021: courseForm.elements['$name']\[i].checked = false;|;
1.121 raeburn 2022: }
2023: $output .= qq|
1.119 raeburn 2024: }
1.147 raeburn 2025: for (var j=0; j<courseForm.elements['$name'].length; j++) {
1.119 raeburn 2026: |;
1.121 raeburn 2027: foreach my $value (@{$values{$name}}) {
2028: if ($$elements{$name} eq 'selectbox') {
2029: $output .= qq|
1.147 raeburn 2030: if (courseForm.elements['$name'].options[j].value == "$value") {
2031: courseForm.elements['$name'].options[j].selected = true;
1.119 raeburn 2032: }|;
1.121 raeburn 2033: } elsif (($$elements{$name} eq 'radio') ||
2034: ($$elements{$name} eq 'checkbox')) {
2035: $output .= qq|
1.147 raeburn 2036: if (courseForm.elements['$name']\[j].value == "$value") {
2037: courseForm.elements['$name']\[j].checked = true;
1.119 raeburn 2038: }|;
1.121 raeburn 2039: }
2040: }
2041: $output .= qq|
1.119 raeburn 2042: }
2043: }
2044: |;
2045: }
2046: }
2047: $output .= "
2048: }\n";
2049: return $output;
2050: }
2051:
1.158 raeburn 2052: ##############################################
2053: ##############################################
2054:
2055: # javascript_valid_email
2056: #
2057: # Generates javascript to validate an e-mail address.
2058: # Returns a javascript function which accetps a form field as argumnent, and
2059: # returns false if field.value does not satisfy two regular expression matches
2060: # for a valid e-mail address. Backwards compatible with old browsers without
2061: # support for javascript RegExp (just checks for @ in field.value in this case).
2062:
2063: sub javascript_valid_email {
2064: my $scripttag .= <<'END';
2065: function validmail(field) {
2066: var str = field.value;
2067: if (window.RegExp) {
2068: var reg1str = "(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)";
2069: var reg2str = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$"; //"
2070: var reg1 = new RegExp(reg1str);
2071: var reg2 = new RegExp(reg2str);
2072: if (!reg1.test(str) && reg2.test(str)) {
2073: return true;
2074: }
2075: return false;
2076: }
2077: else
2078: {
2079: if(str.indexOf("@") >= 0) {
2080: return true;
2081: }
2082: return false;
2083: }
2084: }
2085: END
2086: return $scripttag;
2087: }
2088:
1.219 droeschl 2089:
2090: # USAGE: htmltag(element, content, {attribute => value,...});
2091: #
2092: # EXAMPLES:
2093: # - htmltag('a', 'this is an anchor', {href => 'www.example.com',
2094: # title => 'this is a title'})
2095: #
2096: # - You might want to set up needed tags like:
2097: #
2098: # my $h3 = sub { return htmltag( "h3", @_ ) };
2099: #
2100: # ... and use them: $h3->("This is a headline")
2101: #
2102: # - To set up a couple of tags, see sub inittags
2103: #
2104: # NOTES:
2105: # - Empty elements, such as <br/> are correctly terminated,
2106: # i.e. htmltag('br') returns <br/>
2107: # - Empty attributes (title="") are filtered out.
2108: # - The function will not check for deprecated attributes.
2109: #
2110: # OUTPUT: content enclosed in xhtml conform tags
2111: sub htmltag{
2112: return
2113: qq|<$_[0]|
2114: . join( '', map { qq| $_="${$_[2]}{$_}"| if ${$_[2]}{$_} } keys %{ $_[2] } )
2115: . ($_[1] ? qq|>$_[1]</$_[0]>| : qq|/>|). "\n";
2116: };
2117:
2118:
2119: # USAGE: inittags(@tags);
2120: #
2121: # EXAMPLES:
2122: # - my ($h1, $h2, $h3) = initTags( qw( h1 h2 h3 ) )
2123: # $h1->("This is a headline") #Returns: <h1>This is a headline</h1>
2124: #
2125: # NOTES: See sub htmltag for further information.
2126: #
2127: # OUTPUT: List of subroutines.
2128: sub inittags {
2129: my @tags = @_;
2130: return map { my $tag = $_;
2131: sub { return htmltag( $tag, @_ ) }
2132: } @tags;
2133: }
2134:
2135:
1.183 droeschl 2136: ##############################################
2137: ##############################################
2138:
2139: # generate_menu
2140: #
2141: # Generates html markup for a menu.
2142: #
2143: # Inputs:
2144: # An array of following structure:
2145: # ({ categorytitle => 'Categorytitle',
2146: # items => [
1.201 droeschl 2147: # {
2148: # linktext => 'Text to be displayed',
2149: # url => 'URL the link is pointing to, i.e. /adm/site?action=dosomething',
1.183 droeschl 2150: # permission => 'Contains permissions as returned from lonnet::allowed(),
1.201 droeschl 2151: # must evaluate to true in order to activate the link',
1.184 droeschl 2152: # icon => 'icon filename',
1.186 droeschl 2153: # alttext => 'alt text for the icon',
1.183 droeschl 2154: # help => 'Name of the corresponding helpfile',
2155: # linktitle => 'Description of the link (used for title tag)'
2156: # },
2157: # ...
2158: # ]
2159: # },
2160: # ...
2161: # )
2162: #
2163: # Outputs: A scalar containing the html markup for the menu.
2164:
2165: # ---- Remove when done ----
2166: # This routine is part of the redesign of LON-CAPA and it's
2167: # subject to change during this project.
2168: # Don't rely on its current functionality as it might be
2169: # changed or removed.
2170: # --------------------------
2171: sub generate_menu {
2172: my @menu = @_;
1.201 droeschl 2173: # subs for specific html elements
1.219 droeschl 2174: my ($h3, $div, $ul, $li, $a, $img) = inittags( qw(h3 div ul li a img) );
1.201 droeschl 2175:
2176: my @categories; # each element represents the entire markup for a category
2177:
2178: foreach my $category (@menu) {
2179: my @links; # contains the links for the current $category
2180: foreach my $link (@{$$category{items}}) {
2181: next unless $$link{permission};
2182:
2183: # create the markup for the current $link and push it into @links.
2184: # each entry consists of an image and a text optionally followed
2185: # by a help link.
2186: push @links, $li->(
2187: $a->(
2188: $img->("", {
2189: class => "LC_noBorder LC_middle",
2190: src => "/res/adm/pages/$$link{icon}",
1.202 droeschl 2191: alt => mt(defined($$link{alttext}) ?
2192: $$link{alttext} : $$link{linktext})
1.201 droeschl 2193: }), {
2194: href => $$link{url},
1.202 droeschl 2195: title => mt($$link{linktitle})
1.201 droeschl 2196: }).
1.202 droeschl 2197: $a->(mt($$link{linktext}), {
1.201 droeschl 2198: href => $$link{url},
1.202 droeschl 2199: title => mt($$link{linktitle}),
1.201 droeschl 2200: class => "LC_menubuttons_link"
2201: }).
2202: (defined($$link{help}) ?
2203: Apache::loncommon::help_open_topic($$link{help}) : ''),
2204: {class => "LC_menubuttons_inline_text"});
2205: }
2206:
2207: # wrap categorytitle in <h3>, concatenate with
2208: # joined and in <ul> tags wrapped @links
2209: # and wrap everything in an enclosing <div> and push it into
2210: # @categories
2211: # such that each element looks like:
2212: # <div><h3>title</h3><ul><li>...</li>...</ul></div>
2213: # the category won't be added if there aren't any links
2214: push @categories,
1.202 droeschl 2215: $div->($h3->(mt($$category{categorytitle}), {class=>"LC_hcell"}).
1.201 droeschl 2216: $ul->(join('' ,@links), {class =>"LC_ListStyleNormal" }),
1.222 ! bisitz 2217: {class=>"LC_Box LC_400Box"}) if scalar(@links);
1.183 droeschl 2218: }
1.201 droeschl 2219:
2220: # wrap the joined @categories in another <div> (column layout)
2221: return $div->(join('', @categories), {class => "LC_columnSection"});
1.183 droeschl 2222: }
1.176 foxr 2223:
1.1 stredwic 2224: 1;
1.23 matthew 2225:
1.1 stredwic 2226: __END__
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