Annotation of loncom/interface/lonhtmlcommon.pm, revision 1.232
1.2 www 1: # The LearningOnline Network with CAPA
2: # a pile of common html routines
3: #
1.232 ! raeburn 4: # $Id: lonhtmlcommon.pm,v 1.231 2009/08/11 13:01:10 droeschl 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);
1.232 ! raeburn 163: foreach my $bomb (keys(%bombs)) {
! 164: if ($bomb =~ /^$udom\/$uname\//) {
1.40 www 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 = ();
1.232 ! raeburn 242: foreach my $item (keys(%recent)) {
1.136 albertel 243: my ($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++) {
1.228 bisitz 508: $monthselector .= qq{ <option value="$m"};
509: $monthselector .= ' selected="selected"' if ($m-1 eq $month);
510: $monthselector .= '> '.&mt($Months[$m]).' </option>'."\n";
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
1.226 bisitz 516: my $yearselector = qq{<input type="text" name="$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++) {
1.228 bisitz 523: $hourselector .= qq{<option value="$h"};
524: $hourselector .= ' selected="selected"' if (defined($hour) && $hour == $h);
1.95 matthew 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:
1.226 bisitz 612: The name passed to &date_setter, which prefixes the form elements.
1.10 matthew 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
1.230 bisitz 981: &r_print($r,&Apache::lonhtmlcommon::scripttag(
1.49 albertel 982: "var popwin;
983: function openpopwin () {
984: popwin=open(\'\',\'popwin\',\'width=400,height=100\');".
1.122 albertel 985: "popwin.document.writeln(\'".$start_page.
1.170 albertel 986: "<h4>".&mt("$heading")."<\/h4>".
1.212 bisitz 987: "<form action=\"\" name=\"popremain\" method=\"post\">".
1.51 albertel 988: '<input type="text" size="'.$width.'" name="remaining" value="'.
1.131 albertel 989: &mt('Starting').'" /><\\/form>'.$end_page.
1.122 albertel 990: "\');".
1.49 albertel 991: "popwin.document.close();}".
1.230 bisitz 992: "\nwindow.setTimeout(openpopwin,0)"
993: ));
1.49 albertel 994: $prog_state{'formname'}='popremain';
995: $prog_state{'inputname'}="remaining";
996: } elsif ($type eq 'inline') {
997: $prog_state{'window'}='window';
998: if (!$formname) {
1.51 albertel 999: $prog_state{'formname'}=&get_uniq_name();
1.159 banghart 1000: &r_print($r,'<form action="" name="'.$prog_state{'formname'}.'">');
1.49 albertel 1001: } else {
1002: $prog_state{'formname'}=$formname;
1003: }
1004: if (!$inputname) {
1.51 albertel 1005: $prog_state{'inputname'}=&get_uniq_name();
1.170 albertel 1006: &r_print($r,&mt("$heading [_1]",' <input type="text" name="'.$prog_state{'inputname'}.'" size="'.$width.'" />'));
1.49 albertel 1007: } else {
1008: $prog_state{'inputname'}=$inputname;
1009:
1010: }
1011: if (!$formname) { &r_print($r,'</form>'); }
1012: &Update_PrgWin($r,\%prog_state,&mt('Starting'));
1013: }
1.7 stredwic 1014:
1.16 albertel 1015: $prog_state{'done'}=0;
1.23 matthew 1016: $prog_state{'firststart'}=&Time::HiRes::time();
1017: $prog_state{'laststart'}=&Time::HiRes::time();
1.16 albertel 1018: $prog_state{'max'}=$number_to_do;
1.49 albertel 1019:
1.14 albertel 1020: return %prog_state;
1.7 stredwic 1021: }
1022:
1023: # update progress
1024: sub Update_PrgWin {
1.14 albertel 1025: my ($r,$prog_state,$displayString)=@_;
1.230 bisitz 1026: &r_print($r,&Apache::lonhtmlcommon::scripttag(
1.218 bisitz 1027: $$prog_state{'window'}.'.document.'.
1.230 bisitz 1028: $$prog_state{'formname'}.'.'.
1029: $$prog_state{'inputname'}.'.value="'.
1030: $displayString.'";'
1031: ));
1.23 matthew 1032: $$prog_state{'laststart'}=&Time::HiRes::time();
1.14 albertel 1033: }
1034:
1035: # increment progress state
1036: sub Increment_PrgWin {
1037: my ($r,$prog_state,$extraInfo)=@_;
1.16 albertel 1038: $$prog_state{'done'}++;
1.23 matthew 1039: my $time_est= (&Time::HiRes::time() - $$prog_state{'firststart'})/
1040: $$prog_state{'done'} *
1.16 albertel 1041: ($$prog_state{'max'}-$$prog_state{'done'});
1042: $time_est = int($time_est);
1.80 matthew 1043: #
1044: my $min = int($time_est/60);
1045: my $sec = $time_est % 60;
1046: #
1047: my $str;
1.91 albertel 1048: if ($min == 0 && $sec > 1) {
1.80 matthew 1049: $str = '[_2] seconds';
1.91 albertel 1050: } elsif ($min == 1 && $sec > 1) {
1051: $str = '1 minute [_2] seconds';
1.80 matthew 1052: } elsif ($min == 1 && $sec < 2) {
1053: $str = '1 minute';
1054: } elsif ($min < 10 && $sec > 1) {
1055: $str = '[_1] minutes, [_2] seconds';
1.81 matthew 1056: } elsif ($min >= 10 || $sec < 2) {
1.80 matthew 1057: $str = '[_1] minutes';
1.16 albertel 1058: }
1.80 matthew 1059: $time_est = &mt($str,$min,$sec);
1060: #
1.23 matthew 1061: my $lasttime = &Time::HiRes::time()-$$prog_state{'laststart'};
1062: if ($lasttime > 9) {
1063: $lasttime = int($lasttime);
1064: } elsif ($lasttime < 0.01) {
1065: $lasttime = 0;
1066: } else {
1067: $lasttime = sprintf("%3.2f",$lasttime);
1068: }
1.19 matthew 1069: if ($lasttime == 1) {
1.32 www 1070: $lasttime = '('.$lasttime.' '.&mt('second for').' '.$extraInfo.')';
1.19 matthew 1071: } else {
1.32 www 1072: $lasttime = '('.$lasttime.' '.&mt('seconds for').' '.$extraInfo.')';
1.28 matthew 1073: }
1074: #
1.104 albertel 1075: my $user_browser = $env{'browser.type'} if (exists($env{'browser.type'}));
1076: my $user_os = $env{'browser.os'} if (exists($env{'browser.os'}));
1.28 matthew 1077: if (! defined($user_browser) || ! defined($user_os)) {
1078: (undef,$user_browser,undef,undef,undef,$user_os) =
1079: &Apache::loncommon::decode_user_agent();
1080: }
1081: if ($user_browser eq 'explorer' && $user_os =~ 'mac') {
1082: $lasttime = '';
1.19 matthew 1083: }
1.230 bisitz 1084: &r_print($r,&Apache::lonhtmlcommon::scripttag(
1.218 bisitz 1085: $$prog_state{'window'}.'.document.'.
1.230 bisitz 1086: $$prog_state{'formname'}.'.'.
1087: $$prog_state{'inputname'}.'.value="'.
1088: $$prog_state{'done'}.'/'.$$prog_state{'max'}.
1089: ': '.$time_est.' '.&mt('remaining').' '.$lasttime.'";'
1090: ));
1.23 matthew 1091: $$prog_state{'laststart'}=&Time::HiRes::time();
1.7 stredwic 1092: }
1093:
1094: # close Progress Line
1095: sub Close_PrgWin {
1.14 albertel 1096: my ($r,$prog_state)=@_;
1.49 albertel 1097: if ($$prog_state{'type'} eq 'popup') {
1.230 bisitz 1098: &r_print($r,&Apache::lonhtmlcommon::scripttag(
1099: 'popwin.close()'
1100: ));
1.49 albertel 1101: } elsif ($$prog_state{'type'} eq 'inline') {
1102: &Update_PrgWin($r,$prog_state,&mt('Done'));
1103: }
1.48 albertel 1104: undef(%$prog_state);
1105: }
1106:
1107: sub r_print {
1108: my ($r,$to_print)=@_;
1109: if ($r) {
1110: $r->print($to_print);
1111: $r->rflush();
1.47 sakharuk 1112: } else {
1.48 albertel 1113: print($to_print);
1.47 sakharuk 1114: }
1.1 stredwic 1115: }
1.34 www 1116:
1117: # ------------------------------------------------------- Puts directory header
1118:
1119: sub crumbs {
1.132 www 1120: my ($uri,$target,$prefix,$form,$size,$noformat,$skiplast)=@_;
1.62 matthew 1121: if (! defined($size)) {
1122: $size = '+2';
1123: }
1.100 raeburn 1124: if ($target) {
1125: $target = ' target="'.
1126: &Apache::loncommon::escape_single($target).'"';
1127: }
1.78 www 1128: my $output='';
1129: unless ($noformat) { $output.='<br /><tt><b>'; }
1130: $output.='<font size="'.$size.'">'.$prefix.'/';
1.104 albertel 1131: if ($env{'user.adv'}) {
1.43 www 1132: my $path=$prefix.'/';
1.99 matthew 1133: foreach my $dir (split('/',$uri)) {
1134: if (! $dir) { next; }
1135: $path .= $dir;
1.150 albertel 1136: if ($path eq $uri) {
1.132 www 1137: if ($skiplast) {
1138: $output.=$dir;
1139: last;
1140: }
1141: } else {
1142: $path.='/';
1.157 albertel 1143: }
1144: my $href_path = &HTML::Entities::encode($path,'<>&"');
1.160 albertel 1145: &Apache::loncommon::inhibit_menu_check(\$href_path);
1.162 banghart 1146: if ($form) {
1147: my $href = 'javascript:'.$form.".action='".$href_path."';".$form.'.submit();';
1148: $output.=qq{<a href="$href" $target>$dir</a>/};
1149: } else {
1150: $output.=qq{<a href="$href_path" $target>$dir</a>/};
1151: }
1.35 www 1152: }
1153: } else {
1.149 albertel 1154: foreach my $dir (split('/',$uri)) {
1155: if (! $dir) { next; }
1156: $output.=$dir.'/';
1157: }
1.34 www 1158: }
1.149 albertel 1159: if ($uri !~ m|/$|) { $output=~s|/$||; }
1.78 www 1160: return $output.'</font>'.($noformat?'':'</b></tt><br />');
1.34 www 1161: }
1162:
1.85 www 1163: # --------------------- A function that generates a window for the spellchecker
1164:
1165: sub spellheader {
1.123 albertel 1166: my $start_page=
1167: &Apache::loncommon::start_page('Speller Suggestions',undef,
1.140 albertel 1168: {'only_body' => 1,
1169: 'js_ready' => 1,
1170: 'bgcolor' => '#DDDDDD',
1171: 'add_entries' => {
1172: 'onload' =>
1173: 'document.forms.spellcheckform.submit()',
1174: }
1175: });
1.123 albertel 1176: my $end_page=
1177: &Apache::loncommon::end_page({'js_ready' => 1});
1178:
1.105 www 1179: my $nothing=&javascript_nothing();
1.85 www 1180: return (<<ENDCHECK);
1181: <script type="text/javascript">
1.218 bisitz 1182: // <![CDATA[
1.92 albertel 1183: //<!-- BEGIN LON-CAPA Internal
1.85 www 1184: var checkwin;
1185:
1.140 albertel 1186: function spellcheckerwindow(string) {
1187: var esc_string = string.replace(/\"/g,'"');
1.105 www 1188: checkwin=window.open($nothing,'spellcheckwin','height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
1.154 albertel 1189: 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 1190: checkwin.document.close();
1191: }
1.92 albertel 1192: // END LON-CAPA Internal -->
1.218 bisitz 1193: // ]]>
1.85 www 1194: </script>
1195: ENDCHECK
1196: }
1197:
1198: # ---------------------------------- Generate link to spell checker for a field
1199:
1200: sub spelllink {
1201: my ($form,$field)=@_;
1202: my $linktext=&mt('Check Spelling');
1203: return (<<ENDLINK);
1.140 albertel 1204: <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 1205: ENDLINK
1206: }
1207:
1.52 www 1208: # ------------------------------------------------- Output headers for HTMLArea
1209:
1.124 albertel 1210: {
1211: my @htmlareafields;
1212: sub init_htmlareafields {
1213: undef(@htmlareafields);
1214: }
1215:
1216: sub add_htmlareafields {
1217: my (@newfields) = @_;
1218: push(@htmlareafields,@newfields);
1219: }
1220:
1221: sub get_htmlareafields {
1222: return @htmlareafields;
1223: }
1224: }
1225:
1.52 www 1226: sub htmlareaheaders {
1.167 albertel 1227: return if (&htmlareablocked());
1228: return if (!&htmlareabrowser());
1.52 www 1229: return (<<ENDHEADERS);
1.167 albertel 1230: <script type="text/javascript" src="/fckeditor/fckeditor.js"></script>
1.52 www 1231: ENDHEADERS
1232: }
1233:
1.76 www 1234: # ----------------------------------------------------------------- Preferences
1235:
1236: sub disablelink {
1.77 www 1237: my @fields=@_;
1238: if (defined($#fields)) {
1239: unless ($#fields>=0) { return ''; }
1240: }
1.130 www 1241: 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 1242: }
1243:
1244: sub enablelink {
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=on&returnurl=','<>&"').&escape($ENV{'REQUEST_URI'}).'">'.&mt('Enable WYSIWYG Editor').'</a>';
1.76 www 1250: }
1251:
1.167 albertel 1252: # ------------------------------------------------- lang to use in html editor
1253: sub htmlarea_lang {
1254: my $lang='en';
1255: if (&mt('htmlarea_lang') ne 'htmlarea_lang') {
1256: $lang=&mt('htmlarea_lang');
1257: }
1258: return $lang;
1259: }
1260:
1.72 www 1261: # ----------------------------------------- Script to activate only some fields
1262:
1263: sub htmlareaselectactive {
1.73 www 1264: my @fields=@_;
1.76 www 1265: unless (&htmlareabrowser()) { return ''; }
1.77 www 1266: if (&htmlareablocked()) { return '<br />'.&enablelink(@fields); }
1.230 bisitz 1267: my $output='<script type="text/javascript" defer="1">'."\n"
1268: .'// <![CDATA['."\n";
1.167 albertel 1269: my $lang = &htmlarea_lang();
1270: foreach my $field (@fields) {
1271: $output.="
1272: {
1273: var oFCKeditor = new FCKeditor('$field');
1274: oFCKeditor.Config['CustomConfigurationsPath'] =
1275: '/fckeditor/loncapaconfig.js';
1276: oFCKeditor.ReplaceTextarea();
1277: oFCKeditor.Config['AutoDetectLanguage'] = false;
1278: oFCKeditor.Config['DefaultLanguage'] = '$lang';
1279: }";
1.72 www 1280: }
1.218 bisitz 1281: $output.="\nwindow.status='Activated Editfields';\n"
1.230 bisitz 1282: .'// ]]>'."\n"
1.218 bisitz 1283: .'</script><br />'.
1.77 www 1284: &disablelink(@fields);
1.72 www 1285: return $output;
1286: }
1287:
1.61 www 1288: # --------------------------------------------------------------------- Blocked
1289:
1290: sub htmlareablocked {
1.104 albertel 1291: unless ($env{'environment.wysiwygeditor'} eq 'on') { return 1; }
1.71 www 1292: return 0;
1.52 www 1293: }
1294:
1295: # ---------------------------------------- Browser capable of running HTMLArea?
1296:
1297: sub htmlareabrowser {
1298: return 1;
1299: }
1.53 matthew 1300:
1301: ############################################################
1302: ############################################################
1303:
1304: =pod
1305:
1306: =item breadcrumbs
1307:
1308: Compiles the previously registered breadcrumbs into an series of links.
1309: Additionally supports a 'component', which will be displayed on the
1.223 droeschl 1310: right side of the breadcrumbs enclosing div (without a link).
1.53 matthew 1311: A link to help for the component will be included if one is specified.
1312:
1313: All inputs can be undef without problems.
1314:
1.223 droeschl 1315: Inputs: $component (the text on the right side of the breadcrumbs trail),
1.53 matthew 1316: $component_help
1.63 albertel 1317: $menulink (boolean, controls whether to include a link to /adm/menu)
1.138 albertel 1318: $helplink (if 'nohelp' don't include the orange help link)
1319: $css_class (optional name for the class to apply to the table for CSS)
1.197 raeburn 1320: $no_mt (optional flag, 1 if &mt() is _not_ to be applied to $component
1321: when including the text on the right.
1.53 matthew 1322: Returns a string containing breadcrumbs for the current page.
1323:
1324: =item clear_breadcrumbs
1325:
1326: Clears the previously stored breadcrumbs.
1327:
1328: =item add_breadcrumb
1329:
1330: Pushes a breadcrumb on the stack of crumbs.
1331:
1332: input: $breadcrumb, a hash reference. The keys 'href','title', and 'text'
1333: are required. If present the keys 'faq' and 'bug' will be used to provide
1.156 albertel 1334: links to the FAQ and bug sites. If the key 'no_mt' is present the 'title'
1335: and 'text' values won't be sent through &mt()
1.53 matthew 1336:
1337: returns: nothing
1338:
1339: =cut
1340:
1341: ############################################################
1342: ############################################################
1343: {
1344: my @Crumbs;
1.57 matthew 1345:
1.53 matthew 1346: sub breadcrumbs {
1.216 bisitz 1347: my ($component,$component_help,$menulink,$helplink,$css_class,$no_mt, $CourseBreadcrumbs) = @_;
1.53 matthew 1348: #
1.215 droeschl 1349: $css_class ||= 'LC_breadcrumbs';
1.205 amueller 1350:
1.57 matthew 1351: # Make the faq and bug data cascade
1.223 droeschl 1352: my $faq = '';
1353: my $bug = '';
1354: my $help = '';
1.215 droeschl 1355: # Crumb Symbol
1.223 droeschl 1356: my $crumbsymbol = '»';
1.60 www 1357: # The last breadcrumb does not have a link, so handle it separately.
1.53 matthew 1358: my $last = pop(@Crumbs);
1.57 matthew 1359: #
1.70 matthew 1360: # The first one should be the course or a menu link
1.215 droeschl 1361: if (!defined($menulink)) { $menulink=1; }
1.70 matthew 1362: if ($menulink) {
1363: my $description = 'Menu';
1.172 raeburn 1364: my $no_mt_descr = 0;
1.104 albertel 1365: if (exists($env{'request.course.id'}) &&
1366: $env{'request.course.id'} ne '') {
1.70 matthew 1367: $description =
1.104 albertel 1368: $env{'course.'.$env{'request.course.id'}.'.description'};
1.172 raeburn 1369: $no_mt_descr = 1;
1.70 matthew 1370: }
1.215 droeschl 1371: $menulink = { href =>'/adm/menu',
1372: title =>'Go to main menu',
1373: target =>'_top',
1374: text =>$description,
1375: no_mt =>$no_mt_descr, };
1376: if($last) {
1377: #$last set, so we have some crumbs
1378: unshift(@Crumbs,$menulink);
1379: } else {
1380: #only menulink crumb present
1381: $last = $menulink;
1382: }
1.53 matthew 1383: }
1.219 droeschl 1384: my $links = join "",
1.53 matthew 1385: map {
1.219 droeschl 1386: $faq = $_->{'faq'} if (exists($_->{'faq'}));
1387: $bug = $_->{'bug'} if (exists($_->{'bug'}));
1.106 www 1388: $help = $_->{'help'} if (exists($_->{'help'}));
1.219 droeschl 1389:
1390: my $result = htmltag( 'a',
1.223 droeschl 1391: $_->{no_mt} ?
1392: $_->{text} : mt($_->{text}),
1.219 droeschl 1393: {
1394: href => $_->{href},
1.223 droeschl 1395: title => $_->{no_mt} ?
1396: $_->{title} : mt($_->{title}),
1.219 droeschl 1397: target => $_->{target},
1398: });
1.223 droeschl 1399: $result = htmltag( 'li', "$result $crumbsymbol");
1.219 droeschl 1400: } @Crumbs;
1.223 droeschl 1401:
1402: #should the last Element be translated?
1403: $links .= htmltag( 'li',
1404: htmltag( 'b',
1405: $last->{'no_mt'} ?
1406: $last->{'text'} : mt($last->{'text'}) ));
1407:
1.54 matthew 1408: my $icons = '';
1.223 droeschl 1409: $faq = $last->{'faq'} if (exists($last->{'faq'}));
1410: $bug = $last->{'bug'} if (exists($last->{'bug'}));
1.106 www 1411: $help = $last->{'help'} if (exists($last->{'help'}));
1412: $component_help=($component_help?$component_help:$help);
1.145 albertel 1413: # if ($faq ne '') {
1414: # $icons .= &Apache::loncommon::help_open_faq($faq);
1415: # }
1.79 raeburn 1416: # if ($bug ne '') {
1417: # $icons .= &Apache::loncommon::help_open_bug($bug);
1418: # }
1.223 droeschl 1419: if ($faq ne '' || $component_help ne '' || $bug ne '') {
1420: $icons .= &Apache::loncommon::help_open_menu($component,
1421: $component_help,
1422: $faq,$bug);
1423: }
1.54 matthew 1424: #
1.205 amueller 1425:
1426:
1.223 droeschl 1427: unless ($CourseBreadcrumbs) {
1428: $links = htmltag('ol', $links, { id => "LC_MenuBreadcrumbs" });
1429: } else {
1.227 bisitz 1430: $links = htmltag('ul', $links, { class => "LC_CourseBreadcrumbs" });
1.53 matthew 1431: }
1.223 droeschl 1432:
1433: if ($component) {
1434: $links = htmltag('span',
1435: ( $no_mt ? $component : mt($component) ).
1436: ( $icons ? $icons : '' ),
1437: { class => 'LC_breadcrumbs_component' } )
1438: .$links;
1439: }
1440:
1441: $links = htmltag('div', $links,
1.225 bisitz 1442: { id => "LC_breadcrumbs" }) unless ($CourseBreadcrumbs) ;
1.223 droeschl 1443:
1.53 matthew 1444: # Return the @Crumbs stack to what we started with
1445: push(@Crumbs,$last);
1446: shift(@Crumbs);
1.223 droeschl 1447: # Return the breadcrumb's line
1448: return "$links";
1.53 matthew 1449: }
1450:
1451: sub clear_breadcrumbs {
1452: undef(@Crumbs);
1453: }
1454:
1455: sub add_breadcrumb {
1.232 ! raeburn 1456: push(@Crumbs,@_);
1.53 matthew 1457: }
1458:
1.57 matthew 1459: } # End of scope for @Crumbs
1.53 matthew 1460:
1461: ############################################################
1462: ############################################################
1463:
1.112 raeburn 1464: # Nested table routines.
1465: #
1466: # Routines to display form items in a multi-row table with 2 columns.
1467: # Uses nested tables to divide form elements into segments.
1468: # For examples of use see loncom/interface/lonnotify.pm
1469: #
1470: # Can be used in following order: ...
1471: # &start_pick_box()
1472: # row1
1473: # row2
1474: # row3 ... etc.
1.173 raeburn 1475: # &submit_row()
1.161 raeburn 1476: # &end_pick_box()
1.112 raeburn 1477: #
1478: # where row1, row 2 etc. are chosen from &role_select_row,&course_select_row,
1479: # &status_select_row and &email_default_row
1480: #
1481: # Can also be used in following order:
1482: #
1483: # &start_pick_box()
1484: # &row_title()
1485: # &row_closure()
1486: # &row_title()
1487: # &row_closure() ... etc.
1488: # &submit_row()
1489: # &end_pick_box()
1490: #
1491: # In general a &submit_row() call should proceed the call to &end_pick_box(),
1492: # as this routine adds a button for form submission.
1.113 raeburn 1493: # &submit_row() does not require a &row_closure after it.
1.112 raeburn 1494: #
1495: # &start_pick_box() creates a bounding table with 1-pixel wide black border.
1496: # rows should be placed between calls to &start_pick_box() and &end_pick_box.
1497: #
1498: # &row_title() adds a title in the left column for each segment.
1499: # &row_closure() closes a row with a 1-pixel wide black line.
1500: #
1501: # &role_select_row() provides a select box from which to choose 1 or more roles
1502: # &course_select_row provides ways of picking groups of courses
1503: # radio buttons: all, by category or by picking from a course picker pop-up
1504: # note: by category option is only displayed if a domain has implemented
1505: # selection by year, semester, department, number etc.
1506: #
1507: # &status_select_row() provides a select box from which to choose 1 or more
1508: # access types (current access, prior access, and future access)
1509: #
1510: # &email_default_row() provides text boxes for default e-mail suffixes for
1511: # different authentication types in a domain.
1512: #
1513: # &row_title() and &row_closure() are called internally by the &*_select_row
1514: # routines, but can also be called directly to start and end rows which have
1515: # needs that are not accommodated by the *_select_row() routines.
1516:
1.193 bisitz 1517: { # Start: row_count block for pick_box
1518: my @row_count;
1519:
1.112 raeburn 1520: sub start_pick_box {
1.142 albertel 1521: my ($css_class) = @_;
1522: if (defined($css_class)) {
1523: $css_class = 'class="'.$css_class.'"';
1524: } else {
1525: $css_class= 'class="LC_pick_box"';
1526: }
1.193 bisitz 1527: unshift(@row_count,0);
1.112 raeburn 1528: my $output = <<"END";
1.142 albertel 1529: <table $css_class>
1.112 raeburn 1530: END
1531: return $output;
1532: }
1533:
1534: sub end_pick_box {
1.193 bisitz 1535: shift(@row_count);
1.112 raeburn 1536: my $output = <<"END";
1537: </table>
1538: END
1539: return $output;
1540: }
1541:
1.181 bisitz 1542: sub row_headline {
1543: my $output = <<"END";
1544: <tr><td colspan="2">
1545: END
1546: return $output;
1547: }
1548:
1.112 raeburn 1549: sub row_title {
1.210 raeburn 1550: my ($title,$css_title_class,$css_value_class) = @_;
1.193 bisitz 1551: $row_count[0]++;
1552: my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
1.142 albertel 1553: $css_title_class ||= 'LC_pick_box_title';
1554: $css_title_class = 'class="'.$css_title_class.'"';
1555:
1556: $css_value_class ||= 'LC_pick_box_value';
1557:
1.173 raeburn 1558: if ($title ne '') {
1559: $title .= ':';
1560: }
1.112 raeburn 1561: my $output = <<"ENDONE";
1.142 albertel 1562: <tr class="LC_pick_box_row">
1563: <td $css_title_class>
1.173 raeburn 1564: $title
1.112 raeburn 1565: </td>
1.193 bisitz 1566: <td class="$css_value_class $css_class">
1.112 raeburn 1567: ENDONE
1568: return $output;
1569: }
1570:
1571: sub row_closure {
1.143 albertel 1572: my ($no_separator) =@_;
1.113 raeburn 1573: my $output = <<"ENDTWO";
1.112 raeburn 1574: </td>
1575: </tr>
1.143 albertel 1576: ENDTWO
1577: if (!$no_separator) {
1578: $output .= <<"ENDTWO";
1.112 raeburn 1579: <tr>
1.143 albertel 1580: <td colspan="2" class="LC_pick_box_separator">
1.112 raeburn 1581: </td>
1582: </tr>
1583: ENDTWO
1.143 albertel 1584: }
1.112 raeburn 1585: return $output;
1586: }
1587:
1.193 bisitz 1588: } # End: row_count block for pick_box
1589:
1590:
1.112 raeburn 1591: sub role_select_row {
1.147 raeburn 1592: my ($roles,$title,$css_class,$show_separate_custom,$cdom,$cnum) = @_;
1.116 raeburn 1593: my $output;
1594: if (defined($title)) {
1.142 albertel 1595: $output = &row_title($title,$css_class);
1.116 raeburn 1596: }
1.142 albertel 1597: $output .= qq|
1.198 bisitz 1598: <select name="roles" multiple="multiple">\n|;
1.113 raeburn 1599: foreach my $role (@$roles) {
1.114 raeburn 1600: my $plrole;
1601: if ($role eq 'ow') {
1602: $plrole = &mt('Course Owner');
1.147 raeburn 1603: } elsif ($role eq 'cr') {
1604: if ($show_separate_custom) {
1605: if ($cdom ne '' && $cnum ne '') {
1606: my %course_customroles = &course_custom_roles($cdom,$cnum);
1607: foreach my $crrole (sort(keys(%course_customroles))) {
1608: my ($plcrrole) = ($crrole =~ m|^cr/[^/]+/[^/]+/(.+)$|);
1609: $output .= ' <option value="'.$crrole.'">'.$plcrrole.
1610: '</option>';
1611: }
1612: }
1613: } else {
1614: $plrole = &mt('Custom Role');
1615: }
1.114 raeburn 1616: } else {
1617: $plrole=&Apache::lonnet::plaintext($role);
1618: }
1.147 raeburn 1619: if (($role ne 'cr') || (!$show_separate_custom)) {
1620: $output .= ' <option value="'.$role.'">'.$plrole.'</option>';
1621: }
1.112 raeburn 1622: }
1.142 albertel 1623: $output .= qq| </select>\n|;
1.116 raeburn 1624: if (defined($title)) {
1625: $output .= &row_closure();
1626: }
1.112 raeburn 1627: return $output;
1628: }
1629:
1630: sub course_select_row {
1.142 albertel 1631: my ($title,$formname,$totcodes,$codetitles,$idlist,$idlist_titles,
1632: $css_class) = @_;
1633: my $output = &row_title($title,$css_class);
1.169 raeburn 1634: $output .= &course_selection($formname,$totcodes,$codetitles,$idlist,$idlist_titles);
1635: $output .= &row_closure();
1636: return $output;
1637: }
1638:
1639: sub course_selection {
1640: my ($formname,$totcodes,$codetitles,$idlist,$idlist_titles) = @_;
1641: my $output = qq|
1.142 albertel 1642: <script type="text/javascript">
1.218 bisitz 1643: // <![CDATA[
1.112 raeburn 1644: function coursePick (formname) {
1645: for (var i=0; i<formname.coursepick.length; i++) {
1.114 raeburn 1646: if (formname.coursepick[i].value == 'category') {
1647: courseSet('');
1648: }
1.112 raeburn 1649: if (!formname.coursepick[i].checked) {
1650: if (formname.coursepick[i].value == 'specific') {
1651: formname.coursetotal.value = 0;
1652: formname.courselist = '';
1653: }
1654: }
1655: }
1656: }
1.114 raeburn 1657: function setPick (formname) {
1658: for (var i=0; i<formname.coursepick.length; i++) {
1659: if (formname.coursepick[i].value == 'category') {
1660: formname.coursepick[i].checked = true;
1661: }
1662: formname.coursetotal.value = 0;
1663: formname.courselist = '';
1664: }
1665: }
1.218 bisitz 1666: // ]]>
1.112 raeburn 1667: </script>
1668: |;
1669: my $courseform='<b>'.&Apache::loncommon::selectcourse_link
1.118 raeburn 1670: ($formname,'pickcourse','pickdomain','coursedesc','',1).'</b>';
1.129 raeburn 1671: $output .= '<input type="radio" name="coursepick" value="all" onclick="coursePick(this.form)" />'.&mt('All courses').'<br />';
1.112 raeburn 1672: if ($totcodes > 0) {
1673: my $numtitles = @$codetitles;
1674: if ($numtitles > 0) {
1.129 raeburn 1675: $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 1676: $output .= '<table><tr><td>'.$$codetitles[0].'<br />'."\n".
1677: '<select name="'.$$codetitles[0].
1.114 raeburn 1678: '" onChange="setPick(this.form);courseSet('."'$$codetitles[0]'".')">'."\n".
1.112 raeburn 1679: ' <option value="-1" />Select'."\n";
1680: my @items = ();
1681: my @longitems = ();
1682: if ($$idlist{$$codetitles[0]} =~ /","/) {
1.113 raeburn 1683: @items = split(/","/,$$idlist{$$codetitles[0]});
1.112 raeburn 1684: } else {
1685: $items[0] = $$idlist{$$codetitles[0]};
1686: }
1687: if (defined($$idlist_titles{$$codetitles[0]})) {
1688: if ($$idlist_titles{$$codetitles[0]} =~ /","/) {
1.113 raeburn 1689: @longitems = split(/","/,$$idlist_titles{$$codetitles[0]});
1.112 raeburn 1690: } else {
1691: $longitems[0] = $$idlist_titles{$$codetitles[0]};
1692: }
1693: for (my $i=0; $i<@longitems; $i++) {
1694: if ($longitems[$i] eq '') {
1695: $longitems[$i] = $items[$i];
1696: }
1697: }
1698: } else {
1699: @longitems = @items;
1700: }
1701: for (my $i=0; $i<@items; $i++) {
1702: $output .= ' <option value="'.$items[$i].'">'.$longitems[$i].'</option>';
1703: }
1704: $output .= '</select></td>';
1705: for (my $i=1; $i<$numtitles; $i++) {
1706: $output .= '<td>'.$$codetitles[$i].'<br />'."\n".
1707: '<select name="'.$$codetitles[$i].
1708: '" onChange="courseSet('."'$$codetitles[$i]'".')">'."\n".
1709: '<option value="-1"><-Pick '.$$codetitles[$i-1].'</option>'."\n".
1710: '</select>'."\n".
1711: '</td>';
1712: }
1713: $output .= '</tr></table><br />';
1714: }
1715: }
1.169 raeburn 1716: $output .= '<input type="radio" name="coursepick" value="specific" onclick="coursePick(this.form);opencrsbrowser('."'".$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 1717: return $output;
1718: }
1719:
1720: sub status_select_row {
1.142 albertel 1721: my ($types,$title,$css_class) = @_;
1.117 raeburn 1722: my $output;
1723: if (defined($title)) {
1.142 albertel 1724: $output = &row_title($title,$css_class,'LC_pick_box_select');
1.117 raeburn 1725: }
1.142 albertel 1726: $output .= qq|
1.198 bisitz 1727: <select name="types" multiple="multiple">\n|;
1.113 raeburn 1728: foreach my $status_type (sort(keys(%{$types}))) {
1.112 raeburn 1729: $output .= ' <option value="'.$status_type.'">'.$$types{$status_type}.'</option>';
1730: }
1.142 albertel 1731: $output .= qq| </select>\n|;
1.117 raeburn 1732: if (defined($title)) {
1733: $output .= &row_closure();
1734: }
1.112 raeburn 1735: return $output;
1736: }
1737:
1738: sub email_default_row {
1.142 albertel 1739: my ($authtypes,$title,$descrip,$css_class) = @_;
1740: my $output = &row_title($title,$css_class);
1741: $output .= $descrip.
1742: &Apache::loncommon::start_data_table().
1743: &Apache::loncommon::start_data_table_header_row().
1744: '<th>'.&mt('Authentication Method').'</th>'.
1745: '<th align="right">'.&mt('Username -> e-mail conversion').'</th>'."\n".
1746: &Apache::loncommon::end_data_table_header_row();
1.112 raeburn 1747: my $rownum = 0;
1.113 raeburn 1748: foreach my $auth (sort(keys(%{$authtypes}))) {
1.112 raeburn 1749: my ($userentry,$size);
1750: if ($auth =~ /^krb/) {
1751: $userentry = '';
1752: $size = 25;
1753: } else {
1754: $userentry = 'username@';
1755: $size = 15;
1756: }
1.142 albertel 1757: $output .= &Apache::loncommon::start_data_table_row().
1758: '<td> '.$$authtypes{$auth}.'</td>'.
1759: '<td align="right">'.$userentry.
1760: '<input type="text" name="'.$auth.'" size="'.$size.'" /></td>'.
1761: &Apache::loncommon::end_data_table_row();
1.112 raeburn 1762: }
1.142 albertel 1763: $output .= &Apache::loncommon::end_data_table();
1.112 raeburn 1764: $output .= &row_closure();
1765: return $output;
1766: }
1767:
1768:
1769: sub submit_row {
1.142 albertel 1770: my ($title,$cmd,$submit_text,$css_class) = @_;
1771: my $output = &row_title($title,$css_class,'LC_pick_box_submit');
1.112 raeburn 1772: $output .= qq|
1773: <br />
1774: <input type="hidden" name="command" value="$cmd" />
1775: <input type="submit" value="$submit_text"/>
1776: <br /><br />
1.142 albertel 1777: \n|;
1.112 raeburn 1778: return $output;
1779: }
1.1 stredwic 1780:
1.147 raeburn 1781: sub course_custom_roles {
1782: my ($cdom,$cnum) = @_;
1783: my %returnhash=();
1784: my %coursepersonnel=&Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
1785: foreach my $person (sort(keys(%coursepersonnel))) {
1786: my ($role) = ($person =~ /^([^:]+):/);
1787: my ($end,$start) = split(/:/,$coursepersonnel{$person});
1788: if ($end == -1 && $start == -1) {
1789: next;
1790: }
1791: if ($role =~ m|^cr/[^/]+/[^/]+/[^/]|) {
1792: $returnhash{$role} ++;
1793: }
1794: }
1795: return %returnhash;
1796: }
1797:
1798:
1.119 raeburn 1799: ##############################################
1800: ##############################################
1.179 raeburn 1801:
1802: # topic_bar
1803: #
1804: # Generates a div containing a numbered (static image) followed by a title
1805: # with a background color defined in the corresponding CSS: LC_topic_bar
1806: #
1807: sub topic_bar {
1808: my ($imgnum,$title) = @_;
1.220 bisitz 1809: return '<div class="LC_topic_bar">'
1810: .'<img src="/res/adm/pages/bl_step'.$imgnum.'.gif"'
1811: .' alt="'.&mt('Step [_1]',$imgnum).'" />'
1.221 bisitz 1812: .' '.$title
1.220 bisitz 1813: .'</div>';
1.179 raeburn 1814: }
1815:
1816: ##############################################
1817: ##############################################
1.119 raeburn 1818:
1819: # echo_form_input
1820: #
1821: # Generates html markup to add form elements from the referrer page
1822: # as hidden form elements (values encoded) in the new page.
1823: #
1824: # Intended to support two types of use
1825: # (a) to allow backing up to earlier pages in a multi-page
1826: # form submission process using a breadcrumb trail.
1827: #
1828: # (b) to allow the current page to be reloaded with form elements
1829: # set on previous page to remain unchanged. An example would
1830: # be where the a page containing a dynamically-built table of data is
1831: # is to be redisplayed, with only the sort order of the data changed.
1832: #
1833: # Inputs:
1834: # 1. Reference to array of form elements in the submitted form on
1835: # the referrer page which are to be excluded from the echoed elements.
1836: #
1837: # 2. Reference to array of regular expressions, which if matched in the
1838: # name of the form element n the referrer page will be omitted from echo.
1839: #
1840: # Outputs: A scalar containing the html markup for the echoed form
1841: # elements (all as hidden elements, with values encoded).
1842:
1843:
1844: sub echo_form_input {
1845: my ($excluded,$regexps) = @_;
1846: my $output = '';
1847: foreach my $key (keys(%env)) {
1848: if ($key =~ /^form\.(.+)$/) {
1849: my $name = $1;
1850: my $match = 0;
1851: if ((!@{$excluded}) || (!grep/^$name$/,@{$excluded})) {
1852: if (defined($regexps)) {
1853: if (@{$regexps} > 0) {
1854: foreach my $regexp (@{$regexps}) {
1855: if ($name =~ /\Q$regexp\E/) {
1856: $match = 1;
1857: last;
1858: }
1859: }
1860: }
1861: }
1862: if (!$match) {
1863: if (ref($env{$key})) {
1864: foreach my $value (@{$env{$key}}) {
1865: $value = &HTML::Entities::encode($value,'<>&"');
1866: $output .= '<input type="hidden" name="'.$name.
1867: '" value="'.$value.'" />'."\n";
1868: }
1869: } else {
1870: my $value = &HTML::Entities::encode($env{$key},'<>&"');
1871: $output .= '<input type="hidden" name="'.$name.
1872: '" value="'.$value.'" />'."\n";
1873: }
1874: }
1875: }
1876: }
1877: }
1878: return $output;
1879: }
1880:
1881: ##############################################
1882: ##############################################
1883:
1884: # set_form_elements
1885: #
1886: # Generates javascript to set form elements to values based on
1887: # corresponding values for the same form elements when the page was
1888: # previously submitted.
1889: #
1890: # Last submission values are read from hidden form elements in referring
1891: # page which have the same name, i.e., generated by &echo_form_input().
1892: #
1893: # Intended to be called by onload event.
1894: #
1.121 raeburn 1895: # Inputs:
1896: # (a) Reference to hash of echoed form elements to be set.
1.119 raeburn 1897: #
1898: # In the hash, keys are the form element names, and the values are the
1899: # element type (selectbox, radio, checkbox or text -for textbox, textarea or
1900: # hidden).
1.121 raeburn 1901: #
1902: # (b) Optional reference to hash of stored elements to be set.
1903: #
1904: # If the page being displayed is a page which permits modification of
1905: # previously stored data, e.g., the first page in a multi-page submission,
1906: # then if stored is supplied, form elements will be set to the last stored
1907: # values. If user supplied values are also available for the same elements
1908: # these will replace the stored values.
1909: #
1.119 raeburn 1910: # Output:
1911: #
1912: # javascript function - set_form_elements() which sets form elements,
1913: # expects an argument: formname - the name of the form according to
1914: # the DOM, e.g., document.compose
1915:
1916: sub set_form_elements {
1.121 raeburn 1917: my ($elements,$stored) = @_;
1918: my %values;
1.119 raeburn 1919: my $output .= 'function setFormElements(courseForm) {
1.121 raeburn 1920: ';
1921: if (defined($stored)) {
1922: foreach my $name (keys(%{$stored})) {
1923: if (exists($$elements{$name})) {
1924: if (ref($$stored{$name}) eq 'ARRAY') {
1925: $values{$name} = $$stored{$name};
1926: } else {
1927: @{$values{$name}} = ($$stored{$name});
1928: }
1929: }
1930: }
1931: }
1932:
1.119 raeburn 1933: foreach my $key (keys(%env)) {
1934: if ($key =~ /^form\.(.+)$/) {
1935: my $name = $1;
1936: if (exists($$elements{$name})) {
1.121 raeburn 1937: @{$values{$name}} = &Apache::loncommon::get_env_multiple($key);
1938: }
1939: }
1940: }
1941:
1942: foreach my $name (keys(%values)) {
1943: for (my $i=0; $i<@{$values{$name}}; $i++) {
1944: $values{$name}[$i] = &HTML::Entities::decode($values{$name}[$i],'<>&"');
1945: $values{$name}[$i] =~ s/([\r\n\f]+)/\\n/g;
1946: $values{$name}[$i] =~ s/"/\\"/g;
1947: }
1948: if ($$elements{$name} eq 'text') {
1949: my $numvalues = @{$values{$name}};
1950: if ($numvalues > 1) {
1951: my $valuestring = join('","',@{$values{$name}});
1952: $output .= qq|
1.119 raeburn 1953: var textvalues = new Array ("$valuestring");
1.147 raeburn 1954: var total = courseForm.elements['$name'].length;
1.119 raeburn 1955: if (total > $numvalues) {
1956: total = $numvalues;
1957: }
1958: for (var i=0; i<total; i++) {
1.147 raeburn 1959: courseForm.elements['$name']\[i].value = textvalues[i];
1.119 raeburn 1960: }
1961: |;
1.121 raeburn 1962: } else {
1963: $output .= qq|
1.147 raeburn 1964: courseForm.elements['$name'].value = "$values{$name}[0]";
1.119 raeburn 1965: |;
1.121 raeburn 1966: }
1967: } else {
1968: $output .= qq|
1.147 raeburn 1969: var elementLength = courseForm.elements['$name'].length;
1.119 raeburn 1970: if (elementLength==undefined) {
1971: |;
1.121 raeburn 1972: foreach my $value (@{$values{$name}}) {
1973: if ($$elements{$name} eq 'selectbox') {
1974: $output .= qq|
1.147 raeburn 1975: if (courseForm.elements['$name'].options[0].value == "$value") {
1976: courseForm.elements['$name'].options[0].selected = true;
1.119 raeburn 1977: }|;
1.121 raeburn 1978: } elsif (($$elements{$name} eq 'radio') ||
1979: ($$elements{$name} eq 'checkbox')) {
1980: $output .= qq|
1.147 raeburn 1981: if (courseForm.elements['$name'].value == "$value") {
1.148 albertel 1982: courseForm.elements['$name'].checked = true;
1.119 raeburn 1983: }|;
1.121 raeburn 1984: }
1985: }
1986: $output .= qq|
1.119 raeburn 1987: }
1988: else {
1.147 raeburn 1989: for (var i=0; i<courseForm.elements['$name'].length; i++) {
1.119 raeburn 1990: |;
1.121 raeburn 1991: if ($$elements{$name} eq 'selectbox') {
1992: $output .= qq|
1.147 raeburn 1993: courseForm.elements['$name'].options[i].selected = false;|;
1.121 raeburn 1994: } elsif (($$elements{$name} eq 'radio') ||
1995: ($$elements{$name} eq 'checkbox')) {
1996: $output .= qq|
1.147 raeburn 1997: courseForm.elements['$name']\[i].checked = false;|;
1.121 raeburn 1998: }
1999: $output .= qq|
1.119 raeburn 2000: }
1.147 raeburn 2001: for (var j=0; j<courseForm.elements['$name'].length; j++) {
1.119 raeburn 2002: |;
1.121 raeburn 2003: foreach my $value (@{$values{$name}}) {
2004: if ($$elements{$name} eq 'selectbox') {
2005: $output .= qq|
1.147 raeburn 2006: if (courseForm.elements['$name'].options[j].value == "$value") {
2007: courseForm.elements['$name'].options[j].selected = true;
1.119 raeburn 2008: }|;
1.121 raeburn 2009: } elsif (($$elements{$name} eq 'radio') ||
2010: ($$elements{$name} eq 'checkbox')) {
2011: $output .= qq|
1.147 raeburn 2012: if (courseForm.elements['$name']\[j].value == "$value") {
2013: courseForm.elements['$name']\[j].checked = true;
1.119 raeburn 2014: }|;
1.121 raeburn 2015: }
2016: }
2017: $output .= qq|
1.119 raeburn 2018: }
2019: }
2020: |;
2021: }
2022: }
2023: $output .= "
2024: }\n";
2025: return $output;
2026: }
2027:
1.158 raeburn 2028: ##############################################
2029: ##############################################
2030:
2031: # javascript_valid_email
2032: #
2033: # Generates javascript to validate an e-mail address.
2034: # Returns a javascript function which accetps a form field as argumnent, and
2035: # returns false if field.value does not satisfy two regular expression matches
2036: # for a valid e-mail address. Backwards compatible with old browsers without
2037: # support for javascript RegExp (just checks for @ in field.value in this case).
2038:
2039: sub javascript_valid_email {
2040: my $scripttag .= <<'END';
2041: function validmail(field) {
2042: var str = field.value;
2043: if (window.RegExp) {
2044: var reg1str = "(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)";
2045: var reg2str = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$"; //"
2046: var reg1 = new RegExp(reg1str);
2047: var reg2 = new RegExp(reg2str);
2048: if (!reg1.test(str) && reg2.test(str)) {
2049: return true;
2050: }
2051: return false;
2052: }
2053: else
2054: {
2055: if(str.indexOf("@") >= 0) {
2056: return true;
2057: }
2058: return false;
2059: }
2060: }
2061: END
2062: return $scripttag;
2063: }
2064:
1.219 droeschl 2065:
2066: # USAGE: htmltag(element, content, {attribute => value,...});
2067: #
2068: # EXAMPLES:
2069: # - htmltag('a', 'this is an anchor', {href => 'www.example.com',
2070: # title => 'this is a title'})
2071: #
2072: # - You might want to set up needed tags like:
2073: #
2074: # my $h3 = sub { return htmltag( "h3", @_ ) };
2075: #
2076: # ... and use them: $h3->("This is a headline")
2077: #
2078: # - To set up a couple of tags, see sub inittags
2079: #
2080: # NOTES:
2081: # - Empty elements, such as <br/> are correctly terminated,
2082: # i.e. htmltag('br') returns <br/>
2083: # - Empty attributes (title="") are filtered out.
2084: # - The function will not check for deprecated attributes.
2085: #
2086: # OUTPUT: content enclosed in xhtml conform tags
2087: sub htmltag{
2088: return
2089: qq|<$_[0]|
2090: . join( '', map { qq| $_="${$_[2]}{$_}"| if ${$_[2]}{$_} } keys %{ $_[2] } )
2091: . ($_[1] ? qq|>$_[1]</$_[0]>| : qq|/>|). "\n";
2092: };
2093:
2094:
2095: # USAGE: inittags(@tags);
2096: #
2097: # EXAMPLES:
2098: # - my ($h1, $h2, $h3) = initTags( qw( h1 h2 h3 ) )
2099: # $h1->("This is a headline") #Returns: <h1>This is a headline</h1>
2100: #
2101: # NOTES: See sub htmltag for further information.
2102: #
2103: # OUTPUT: List of subroutines.
2104: sub inittags {
2105: my @tags = @_;
2106: return map { my $tag = $_;
2107: sub { return htmltag( $tag, @_ ) }
2108: } @tags;
2109: }
2110:
2111:
1.231 droeschl 2112: # USAGE: scripttag(scriptcode, [start|end|both]);
1.229 droeschl 2113: #
2114: # EXAMPLES:
1.231 droeschl 2115: # - scripttag("alert('Hello World!')", 'both')
2116: # returns:
2117: # <script type="text/javascript">
2118: # // BEGIN LON-CAPA Internal
2119: # alert(Hello World!')
2120: # // END LON-CAPA Internal
2121: # </script>
1.229 droeschl 2122: #
2123: # NOTES:
2124: # - works currently only for javascripts
2125: #
1.231 droeschl 2126: # OUTPUT:
2127: # Scriptcode properly enclosed in <script> and CDATA tags (and LC
2128: # Internal markers if 2nd argument is given)
1.229 droeschl 2129: sub scripttag {
1.231 droeschl 2130: my ( $content, $marker ) = @_;
2131: return unless defined $content;
2132:
2133: my $begin = "\n// BEGIN LON-CAPA Internal\n";
2134: my $end = "\n// END LON-CAPA Internal\n";
2135:
2136: if ($marker) {
2137: $content = $begin . $content if $marker eq 'start' or $marker eq 'both';
2138: $content .= $end if $marker eq 'end' or $marker eq 'both';
2139: }
2140:
1.229 droeschl 2141: $content = "\n// <![CDATA[\n$content\n// ]]>\n";
1.231 droeschl 2142:
2143: return htmltag('script', $content, {type => 'text/javascript'});
1.229 droeschl 2144: };
2145:
2146:
1.183 droeschl 2147: ##############################################
2148: ##############################################
2149:
2150: # generate_menu
2151: #
2152: # Generates html markup for a menu.
2153: #
2154: # Inputs:
2155: # An array of following structure:
2156: # ({ categorytitle => 'Categorytitle',
2157: # items => [
1.201 droeschl 2158: # {
2159: # linktext => 'Text to be displayed',
2160: # url => 'URL the link is pointing to, i.e. /adm/site?action=dosomething',
1.183 droeschl 2161: # permission => 'Contains permissions as returned from lonnet::allowed(),
1.201 droeschl 2162: # must evaluate to true in order to activate the link',
1.184 droeschl 2163: # icon => 'icon filename',
1.186 droeschl 2164: # alttext => 'alt text for the icon',
1.183 droeschl 2165: # help => 'Name of the corresponding helpfile',
2166: # linktitle => 'Description of the link (used for title tag)'
2167: # },
2168: # ...
2169: # ]
2170: # },
2171: # ...
2172: # )
2173: #
2174: # Outputs: A scalar containing the html markup for the menu.
2175:
2176: # ---- Remove when done ----
2177: # This routine is part of the redesign of LON-CAPA and it's
2178: # subject to change during this project.
2179: # Don't rely on its current functionality as it might be
2180: # changed or removed.
2181: # --------------------------
2182: sub generate_menu {
2183: my @menu = @_;
1.201 droeschl 2184: # subs for specific html elements
1.219 droeschl 2185: my ($h3, $div, $ul, $li, $a, $img) = inittags( qw(h3 div ul li a img) );
1.201 droeschl 2186:
2187: my @categories; # each element represents the entire markup for a category
2188:
2189: foreach my $category (@menu) {
2190: my @links; # contains the links for the current $category
2191: foreach my $link (@{$$category{items}}) {
2192: next unless $$link{permission};
2193:
2194: # create the markup for the current $link and push it into @links.
2195: # each entry consists of an image and a text optionally followed
2196: # by a help link.
1.232 ! raeburn 2197: push(@links,$li->(
1.201 droeschl 2198: $a->(
2199: $img->("", {
2200: class => "LC_noBorder LC_middle",
2201: src => "/res/adm/pages/$$link{icon}",
1.202 droeschl 2202: alt => mt(defined($$link{alttext}) ?
2203: $$link{alttext} : $$link{linktext})
1.201 droeschl 2204: }), {
2205: href => $$link{url},
1.202 droeschl 2206: title => mt($$link{linktitle})
1.201 droeschl 2207: }).
1.202 droeschl 2208: $a->(mt($$link{linktext}), {
1.201 droeschl 2209: href => $$link{url},
1.202 droeschl 2210: title => mt($$link{linktitle}),
1.201 droeschl 2211: class => "LC_menubuttons_link"
2212: }).
2213: (defined($$link{help}) ?
2214: Apache::loncommon::help_open_topic($$link{help}) : ''),
1.232 ! raeburn 2215: {class => "LC_menubuttons_inline_text"}));
1.201 droeschl 2216: }
2217:
2218: # wrap categorytitle in <h3>, concatenate with
2219: # joined and in <ul> tags wrapped @links
2220: # and wrap everything in an enclosing <div> and push it into
2221: # @categories
2222: # such that each element looks like:
2223: # <div><h3>title</h3><ul><li>...</li>...</ul></div>
2224: # the category won't be added if there aren't any links
1.232 ! raeburn 2225: push(@categories,
1.202 droeschl 2226: $div->($h3->(mt($$category{categorytitle}), {class=>"LC_hcell"}).
1.201 droeschl 2227: $ul->(join('' ,@links), {class =>"LC_ListStyleNormal" }),
1.232 ! raeburn 2228: {class=>"LC_Box LC_400Box"})) if scalar(@links);
1.183 droeschl 2229: }
1.201 droeschl 2230:
2231: # wrap the joined @categories in another <div> (column layout)
2232: return $div->(join('', @categories), {class => "LC_columnSection"});
1.183 droeschl 2233: }
1.176 foxr 2234:
1.224 bisitz 2235: ##############################################
2236: ##############################################
2237:
2238: =pod
2239:
2240: =item &start_funclist
2241:
2242: Start list of available functions
2243:
2244: Typically used to offer a simple list of available functions
2245: at top or bottom of page.
2246: All available functions/actions for the current page
2247: should be included in this list.
2248:
2249: If the optional headline text is not provided, a default text will be used.
2250:
2251:
2252: Related routines:
2253: =over 4
2254: add_item_funclist
2255: end_funclist
2256: =back
2257:
2258:
2259: Inputs: (optional) headline text
2260:
2261: Returns: HTML code with function list start
2262:
2263: =cut
2264:
2265: ##############################################
2266: ##############################################
2267:
2268: sub start_funclist {
2269: my($legendtext)=@_;
2270: $legendtext=&mt('Functions') if !$legendtext;
2271: return "<fieldset>\n<legend>$legendtext</legend>\n"
2272: .'<ul class="LC_funclist">'."\n";
2273: }
2274:
2275:
2276: ##############################################
2277: ##############################################
2278:
2279: =pod
2280:
2281: =item &add_item_funclist
2282:
2283: Adds an item to the list of available functions
2284:
2285: Related routines:
2286: =over 4
2287: start_funclist
2288: end_funclist
2289: =back
2290:
2291: Inputs: content item with text and link to function
2292:
2293: Returns: HTML code with list item for funclist
2294:
2295: =cut
2296:
2297: ##############################################
2298: ##############################################
2299:
2300: sub add_item_funclist {
2301: my($content) = @_;
2302: return '<li>'.$content.'</li>'."\n";
2303: }
2304:
2305: ##############################################
2306: ##############################################
2307:
2308: =pod
2309:
2310: =item &end_funclist
2311:
2312: End list of available functions
2313:
2314: Related routines:
2315: =over 4
2316: start_funclist
2317: add_item_funclist
2318: =back
2319:
2320: Inputs: ./.
2321:
2322: Returns: HTML code with function list end
2323:
2324: =cut
2325:
2326: ##############################################
2327: ##############################################
2328:
2329: sub end_funclist {
2330: my($r)=@_;
2331: return "</ul>\n</fieldset>\n";
2332: }
2333:
1.1 stredwic 2334: 1;
1.23 matthew 2335:
1.1 stredwic 2336: __END__
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