Annotation of loncom/interface/lonhtmlcommon.pm, revision 1.165
1.2 www 1: # The LearningOnline Network with CAPA
2: # a pile of common html routines
3: #
1.165 ! banghart 4: # $Id: lonhtmlcommon.pm,v 1.164 2007/09/27 15:36:23 raeburn 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:
1.40 www 65: ##############################################
66: ##############################################
67:
68: =pod
69:
70: =item authorbombs
71:
72: =cut
73:
74: ##############################################
75: ##############################################
76:
77: sub authorbombs {
78: my $url=shift;
79: $url=&Apache::lonnet::declutter($url);
1.155 albertel 80: my ($udom,$uname)=($url=~m{^($LONCAPA::domain_re)/($LONCAPA::username_re)/});
1.40 www 81: my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom);
82: foreach (keys %bombs) {
83: if ($_=~/^$udom\/$uname\//) {
84: return '<a href="/adm/bombs/'.$url.
1.103 albertel 85: '"><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/bomb.gif').'" border="0" /></a>'.
1.40 www 86: &Apache::loncommon::help_open_topic('About_Bombs');
87: }
88: }
89: return '';
90: }
1.26 matthew 91:
92: ##############################################
93: ##############################################
94:
1.41 www 95: sub recent_filename {
96: my $area=shift;
1.130 www 97: return 'nohist_recent_'.&escape($area);
1.41 www 98: }
99:
100: sub store_recent {
1.136 albertel 101: my ($area,$name,$value,$freeze)=@_;
1.41 www 102: my $file=&recent_filename($area);
103: my %recent=&Apache::lonnet::dump($file);
1.111 www 104: if (scalar(keys(%recent))>20) {
1.41 www 105: # remove oldest value
1.136 albertel 106: my $oldest=time();
1.41 www 107: my $delkey='';
1.136 albertel 108: foreach my $item (keys(%recent)) {
109: my $thistime=(split(/\&/,$recent{$item}))[0];
110: if (($thistime ne "always_include") && ($thistime<$oldest)) {
1.41 www 111: $oldest=$thistime;
1.136 albertel 112: $delkey=$item;
1.41 www 113: }
114: }
115: &Apache::lonnet::del($file,[$delkey]);
116: }
117: # store new value
1.136 albertel 118: my $timestamp;
119: if ($freeze) {
120: $timestamp = "always_include";
121: } else {
122: $timestamp = time();
123: }
1.41 www 124: &Apache::lonnet::put($file,{ $name =>
1.136 albertel 125: $timestamp.'&'.&escape($value) });
1.41 www 126: }
127:
1.89 banghart 128: sub remove_recent {
129: my ($area,$names)=@_;
130: my $file=&recent_filename($area);
131: return &Apache::lonnet::del($file,$names);
132: }
133:
1.41 www 134: sub select_recent {
135: my ($area,$fieldname,$event)=@_;
136: my %recent=&Apache::lonnet::dump(&recent_filename($area));
137: my $return="\n<select name='$fieldname'".
1.96 albertel 138: ($event?" onchange='$event'":'').
1.41 www 139: ">\n<option value=''>--- ".&mt('Recent')." ---</option>";
1.136 albertel 140: foreach my $value (sort(keys(%recent))) {
141: unless ($value =~/^error\:/) {
142: my $escaped = &Apache::loncommon::escape_url($value);
1.160 albertel 143: &Apache::loncommon::inhibit_menu_check(\$escaped);
1.94 foxr 144: $return.="\n<option value='$escaped'>".
1.136 albertel 145: &unescape((split(/\&/,$recent{$value}))[1]).
1.41 www 146: '</option>';
147: }
148: }
149: $return.="\n</select>\n";
150: return $return;
151: }
152:
1.97 albertel 153: sub get_recent {
154: my ($area, $n) = @_;
155: my %recent=&Apache::lonnet::dump(&recent_filename($area));
156:
157: # Create hash with key as time and recent as value
1.136 albertel 158: # Begin filling return_hash with any 'always_include' option
1.97 albertel 159: my %time_hash = ();
1.136 albertel 160: my %return_hash = ();
161: foreach my $item (keys %recent) {
162: my ($thistime,$thisvalue)=(split(/\&/,$recent{$item}));
163: if ($thistime eq 'always_include') {
164: $return_hash{$item} = &unescape($thisvalue);
165: $n--;
166: } else {
167: $time_hash{$thistime} = $item;
1.133 albertel 168: }
1.97 albertel 169: }
170:
171: # Sort by decreasing time and return key value pairs
172: my $idx = 1;
1.136 albertel 173: foreach my $item (reverse(sort(keys(%time_hash)))) {
174: $return_hash{$time_hash{$item}} =
175: &unescape((split(/\&/,$recent{$time_hash{$item}}))[1]);
1.97 albertel 176: if ($n && ($idx++ >= $n)) {last;}
177: }
178:
179: return %return_hash;
180: }
181:
1.136 albertel 182: sub get_recent_frozen {
183: my ($area) = @_;
184: my %recent=&Apache::lonnet::dump(&recent_filename($area));
185:
186: # Create hash with all 'frozen' items
187: my %return_hash = ();
188: foreach my $item (keys(%recent)) {
189: my ($thistime,$thisvalue)=(split(/\&/,$recent{$item}));
190: if ($thistime eq 'always_include') {
191: $return_hash{$item} = &unescape($thisvalue);
192: }
193: }
194: return %return_hash;
195: }
196:
1.97 albertel 197:
1.41 www 198:
1.26 matthew 199: =pod
200:
201: =item textbox
202:
203: =cut
204:
205: ##############################################
206: ##############################################
207: sub textbox {
208: my ($name,$value,$size,$special) = @_;
209: $size = 40 if (! defined($size));
1.128 albertel 210: $value = &HTML::Entities::encode($value,'<>&"');
1.26 matthew 211: my $Str = '<input type="text" name="'.$name.'" size="'.$size.'" '.
212: 'value="'.$value.'" '.$special.' />';
213: return $Str;
214: }
215:
216: ##############################################
217: ##############################################
218:
219: =pod
220:
221: =item checkbox
222:
223: =cut
224:
225: ##############################################
226: ##############################################
227: sub checkbox {
1.68 matthew 228: my ($name,$checked,$value) = @_;
229: my $Str = '<input type="checkbox" name="'.$name.'" ';
230: if (defined($value)) {
231: $Str .= 'value="'.$value.'"';
232: }
233: if ($checked) {
234: $Str .= ' checked="1"';
235: }
236: $Str .= ' />';
1.26 matthew 237: return $Str;
238: }
239:
1.120 albertel 240:
241: =pod
242:
243: =item radiobutton
244:
245: =cut
246:
247: ##############################################
248: ##############################################
249: sub radio {
250: my ($name,$checked,$value) = @_;
251: my $Str = '<input type="radio" name="'.$name.'" ';
252: if (defined($value)) {
253: $Str .= 'value="'.$value.'"';
254: }
255: if ($checked eq $value) {
256: $Str .= ' checked="1"';
257: }
258: $Str .= ' />';
259: return $Str;
260: }
261:
1.10 matthew 262: ##############################################
263: ##############################################
264:
265: =pod
266:
267: =item &date_setter
268:
1.22 matthew 269: &date_setter returns html and javascript for a compact date-setting form.
270: To retrieve values from it, use &get_date_from_form().
271:
1.10 matthew 272: Inputs
273:
274: =over 4
275:
276: =item $dname
277:
278: The name to prepend to the form elements.
279: The form elements defined will be dname_year, dname_month, dname_day,
280: dname_hour, dname_min, and dname_sec.
281:
282: =item $currentvalue
283:
284: The current setting for this time parameter. A unix format time
285: (time in seconds since the beginning of Jan 1st, 1970, GMT.
286: An undefined value is taken to indicate the value is the current time.
287: Also, to be explicit, a value of 'now' also indicates the current time.
288:
1.26 matthew 289: =item $special
290:
291: Additional html/javascript to be associated with each element in
292: the date_setter. See lonparmset for example usage.
293:
1.59 matthew 294: =item $includeempty
295:
296: =item $state
297:
298: Specifies the initial state of the form elements. Either 'disabled' or empty.
299: Defaults to empty, which indiciates the form elements are not disabled.
300:
1.22 matthew 301: =back
302:
303: Bugs
304:
305: The method used to restrict user input will fail in the year 2400.
306:
1.10 matthew 307: =cut
308:
309: ##############################################
310: ##############################################
311: sub date_setter {
1.67 matthew 312: my ($formname,$dname,$currentvalue,$special,$includeempty,$state,
1.134 raeburn 313: $no_hh_mm_ss,$defhour,$defmin,$defsec,$nolink) = @_;
1.107 www 314: my $wasdefined=1;
1.59 matthew 315: if (! defined($state) || $state ne 'disabled') {
316: $state = '';
317: }
1.67 matthew 318: if (! defined($no_hh_mm_ss)) {
319: $no_hh_mm_ss = 0;
320: }
1.110 www 321: if ($currentvalue eq 'now') {
322: $currentvalue=time;
323: }
324: if ((!defined($currentvalue)) || ($currentvalue eq '')) {
325: $wasdefined=0;
326: if ($includeempty) {
327: $currentvalue = 0;
328: } else {
1.39 www 329: $currentvalue = time;
330: }
1.10 matthew 331: }
332: # other potentially useful values: wkday,yrday,is_daylight_savings
1.65 albertel 333: my ($sec,$min,$hour,$mday,$month,$year)=('','',undef,'','','');
1.39 www 334: if ($currentvalue) {
335: ($sec,$min,$hour,$mday,$month,$year,undef,undef,undef) =
336: localtime($currentvalue);
337: $year += 1900;
338: }
1.107 www 339: unless ($wasdefined) {
1.110 www 340: if (($defhour) || ($defmin) || ($defsec)) {
341: ($sec,$min,$hour,$mday,$month,$year,undef,undef,undef) =
342: localtime(time);
343: $year += 1900;
344: $sec=($defsec?$defsec:0);
345: $min=($defmin?$defmin:0);
346: $hour=($defhour?$defhour:0);
347: } elsif (!$includeempty) {
348: $sec=0;
349: $min=0;
350: $hour=0;
351: }
1.107 www 352: }
1.10 matthew 353: my $result = "\n<!-- $dname date setting form -->\n";
354: $result .= <<ENDJS;
1.135 albertel 355: <script type="text/javascript">
1.10 matthew 356: function $dname\_checkday() {
357: var day = document.$formname.$dname\_day.value;
358: var month = document.$formname.$dname\_month.value;
359: var year = document.$formname.$dname\_year.value;
360: var valid = true;
361: if (day < 1) {
362: document.$formname.$dname\_day.value = 1;
363: }
364: if (day > 31) {
365: document.$formname.$dname\_day.value = 31;
366: }
367: if ((month == 1) || (month == 3) || (month == 5) ||
368: (month == 7) || (month == 8) || (month == 10) ||
369: (month == 12)) {
370: if (day > 31) {
371: document.$formname.$dname\_day.value = 31;
372: day = 31;
373: }
374: } else if (month == 2 ) {
375: if ((year % 4 == 0) && (year % 100 != 0)) {
376: if (day > 29) {
377: document.$formname.$dname\_day.value = 29;
378: }
379: } else if (day > 29) {
380: document.$formname.$dname\_day.value = 28;
381: }
382: } else if (day > 30) {
383: document.$formname.$dname\_day.value = 30;
384: }
385: }
1.95 matthew 386:
1.59 matthew 387: function $dname\_disable() {
388: document.$formname.$dname\_month.disabled=true;
389: document.$formname.$dname\_day.disabled=true;
390: document.$formname.$dname\_year.disabled=true;
391: document.$formname.$dname\_hour.disabled=true;
392: document.$formname.$dname\_minute.disabled=true;
393: document.$formname.$dname\_second.disabled=true;
394: }
395:
396: function $dname\_enable() {
397: document.$formname.$dname\_month.disabled=false;
398: document.$formname.$dname\_day.disabled=false;
399: document.$formname.$dname\_year.disabled=false;
400: document.$formname.$dname\_hour.disabled=false;
401: document.$formname.$dname\_minute.disabled=false;
402: document.$formname.$dname\_second.disabled=false;
403: }
404:
1.29 www 405: function $dname\_opencalendar() {
1.59 matthew 406: if (! document.$formname.$dname\_month.disabled) {
407: var calwin=window.open(
1.29 www 408: "/adm/announcements?pickdate=yes&formname=$formname&element=$dname&month="+
409: document.$formname.$dname\_month.value+"&year="+
410: document.$formname.$dname\_year.value,
411: "LONCAPAcal",
412: "height=350,width=350,scrollbars=yes,resizable=yes,menubar=no");
1.59 matthew 413: }
1.29 www 414:
415: }
1.10 matthew 416: </script>
417: ENDJS
1.135 albertel 418: $result .= ' <span style="white-space: nowrap;">';
1.96 albertel 419: my $monthselector = qq{<select name="$dname\_month" $special $state onchange="javascript:$dname\_checkday()" >};
1.67 matthew 420: # Month
1.10 matthew 421: my @Months = qw/January February March April May June
422: July August September October November December/;
423: # Pad @Months with a bogus value to make indexing easier
424: unshift(@Months,'If you can read this an error occurred');
1.95 matthew 425: if ($includeempty) { $monthselector.="<option value=''></option>"; }
1.10 matthew 426: for(my $m = 1;$m <=$#Months;$m++) {
1.95 matthew 427: $monthselector .= qq{ <option value="$m" };
428: $monthselector .= "selected " if ($m-1 eq $month);
429: $monthselector .= '> '.&mt($Months[$m]).' </option>';
1.10 matthew 430: }
1.95 matthew 431: $monthselector.= ' </select>';
1.67 matthew 432: # Day
1.96 albertel 433: my $dayselector = qq{<input type="text" name="$dname\_day" $state value="$mday" size="3" $special onchange="javascript:$dname\_checkday()" />};
1.67 matthew 434: # Year
1.96 albertel 435: my $yearselector = qq{<input type="year" name="$dname\_year" $state value="$year" size="5" $special onchange="javascript:$dname\_checkday()" />};
1.95 matthew 436: #
437: my $hourselector = qq{<select name="$dname\_hour" $special $state >};
438: if ($includeempty) {
439: $hourselector.=qq{<option value=''></option>};
440: }
441: for (my $h = 0;$h<24;$h++) {
442: $hourselector .= qq{<option value="$h" };
443: $hourselector .= "selected " if (defined($hour) && $hour == $h);
444: $hourselector .= ">";
445: my $timest='';
446: if ($h == 0) {
447: $timest .= "12 am";
448: } elsif($h == 12) {
449: $timest .= "12 noon";
450: } elsif($h < 12) {
451: $timest .= "$h am";
452: } else {
453: $timest .= $h-12 ." pm";
454: }
455: $timest=&mt($timest);
456: $hourselector .= $timest." </option>\n";
457: }
458: $hourselector .= " </select>\n";
459: my $minuteselector = qq{<input type="text" name="$dname\_minute" $special $state value="$min" size="3" />};
460: my $secondselector= qq{<input type="text" name="$dname\_second" $special $state value="$sec" size="3" />};
1.134 raeburn 461: my $cal_link;
462: if (!$nolink) {
463: $cal_link = qq{<a href="javascript:$dname\_opencalendar()">};
464: }
1.95 matthew 465: #
466: if ($no_hh_mm_ss) {
1.134 raeburn 467: $result .= &mt('[_1] [_2] [_3] ',
468: $monthselector,$dayselector,$yearselector);
469: if (!$nolink) {
1.141 albertel 470: $result .= &mt('[_1]Select Date[_2]',$cal_link,'</a>');
1.134 raeburn 471: }
1.95 matthew 472: } else {
1.134 raeburn 473: $result .= &mt('[_1] [_2] [_3] [_4] [_5]m [_6]s ',
474: $monthselector,$dayselector,$yearselector,
475: $hourselector,$minuteselector,$secondselector);
476: if (!$nolink) {
1.141 albertel 477: $result .= &mt('[_1]Select Date[_2]',$cal_link,'</a>');
1.134 raeburn 478: }
1.67 matthew 479: }
1.135 albertel 480: $result .= "</span>\n<!-- end $dname date setting form -->\n";
1.10 matthew 481: return $result;
482: }
483:
484: ##############################################
485: ##############################################
486:
1.22 matthew 487: =pod
488:
1.10 matthew 489: =item &get_date_from_form
1.22 matthew 490:
491: get_date_from_form retrieves the date specified in an &date_setter form.
1.10 matthew 492:
493: Inputs:
494:
495: =over 4
496:
497: =item $dname
498:
499: The name passed to &datesetter, which prefixes the form elements.
500:
501: =item $defaulttime
502:
503: The unix time to use as the default in case of poor inputs.
504:
505: =back
506:
507: Returns: Unix time represented in the form.
508:
509: =cut
510:
511: ##############################################
512: ##############################################
513: sub get_date_from_form {
514: my ($dname) = @_;
515: my ($sec,$min,$hour,$day,$month,$year);
516: #
1.104 albertel 517: if (defined($env{'form.'.$dname.'_second'})) {
518: my $tmpsec = $env{'form.'.$dname.'_second'};
1.10 matthew 519: if (($tmpsec =~ /^\d+$/) && ($tmpsec >= 0) && ($tmpsec < 60)) {
520: $sec = $tmpsec;
521: }
1.64 albertel 522: if (!defined($tmpsec) || $tmpsec eq '') { $sec = 0; }
1.67 matthew 523: } else {
524: $sec = 0;
1.10 matthew 525: }
1.104 albertel 526: if (defined($env{'form.'.$dname.'_minute'})) {
527: my $tmpmin = $env{'form.'.$dname.'_minute'};
1.10 matthew 528: if (($tmpmin =~ /^\d+$/) && ($tmpmin >= 0) && ($tmpmin < 60)) {
529: $min = $tmpmin;
530: }
1.64 albertel 531: if (!defined($tmpmin) || $tmpmin eq '') { $min = 0; }
1.67 matthew 532: } else {
533: $min = 0;
1.10 matthew 534: }
1.104 albertel 535: if (defined($env{'form.'.$dname.'_hour'})) {
536: my $tmphour = $env{'form.'.$dname.'_hour'};
1.33 matthew 537: if (($tmphour =~ /^\d+$/) && ($tmphour >= 0) && ($tmphour < 24)) {
1.10 matthew 538: $hour = $tmphour;
539: }
1.67 matthew 540: } else {
541: $hour = 0;
1.10 matthew 542: }
1.104 albertel 543: if (defined($env{'form.'.$dname.'_day'})) {
544: my $tmpday = $env{'form.'.$dname.'_day'};
1.10 matthew 545: if (($tmpday =~ /^\d+$/) && ($tmpday > 0) && ($tmpday < 32)) {
546: $day = $tmpday;
547: }
548: }
1.104 albertel 549: if (defined($env{'form.'.$dname.'_month'})) {
550: my $tmpmonth = $env{'form.'.$dname.'_month'};
1.10 matthew 551: if (($tmpmonth =~ /^\d+$/) && ($tmpmonth > 0) && ($tmpmonth < 13)) {
552: $month = $tmpmonth - 1;
553: }
554: }
1.104 albertel 555: if (defined($env{'form.'.$dname.'_year'})) {
556: my $tmpyear = $env{'form.'.$dname.'_year'};
1.10 matthew 557: if (($tmpyear =~ /^\d+$/) && ($tmpyear > 1900)) {
558: $year = $tmpyear - 1900;
559: }
560: }
1.24 www 561: if (($year<70) || ($year>137)) { return undef; }
1.33 matthew 562: if (defined($sec) && defined($min) && defined($hour) &&
563: defined($day) && defined($month) && defined($year) &&
1.125 albertel 564: eval('&timelocal($sec,$min,$hour,$day,$month,$year)')) {
1.10 matthew 565: return &timelocal($sec,$min,$hour,$day,$month,$year);
566: } else {
567: return undef;
568: }
1.20 matthew 569: }
570:
571: ##############################################
572: ##############################################
573:
574: =pod
575:
576: =item &pjump_javascript_definition()
577:
578: Returns javascript defining the 'pjump' function, which opens up a
579: parameter setting wizard.
580:
581: =cut
582:
583: ##############################################
584: ##############################################
585: sub pjump_javascript_definition {
586: my $Str = <<END;
1.109 www 587: function pjump(type,dis,value,marker,ret,call,hour,min,sec) {
1.20 matthew 588: parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
589: +"&value="+escape(value)+"&marker="+escape(marker)
590: +"&return="+escape(ret)
1.109 www 591: +"&call="+escape(call)+"&name="+escape(dis)
592: +"&defhour="+escape(hour)+"&defmin="+escape(min)
593: +"&defsec="+escape(sec),"LONCAPAparms",
1.20 matthew 594: "height=350,width=350,scrollbars=no,menubar=no");
595: }
596: END
597: return $Str;
1.10 matthew 598: }
599:
600: ##############################################
601: ##############################################
1.17 matthew 602:
603: =pod
604:
605: =item &javascript_nothing()
606:
607: Return an appropriate null for the users browser. This is used
608: as the first arguement for window.open calls when you want a blank
609: window that you can then write to.
610:
611: =cut
612:
613: ##############################################
614: ##############################################
615: sub javascript_nothing {
616: # mozilla and other browsers work with "''", but IE on mac does not.
617: my $nothing = "''";
618: my $user_browser;
619: my $user_os;
1.104 albertel 620: $user_browser = $env{'browser.type'} if (exists($env{'browser.type'}));
621: $user_os = $env{'browser.os'} if (exists($env{'browser.os'}));
1.17 matthew 622: if (! defined($user_browser) || ! defined($user_os)) {
623: (undef,$user_browser,undef,undef,undef,$user_os) =
624: &Apache::loncommon::decode_user_agent();
625: }
626: if ($user_browser eq 'explorer' && $user_os =~ 'mac') {
627: $nothing = "'javascript:void(0);'";
628: }
629: return $nothing;
630: }
631:
1.90 www 632: ##############################################
633: ##############################################
634: sub javascript_docopen {
635: # safari does not understand document.open() and loads "text/html"
636: my $nothing = "''";
637: my $user_browser;
638: my $user_os;
1.104 albertel 639: $user_browser = $env{'browser.type'} if (exists($env{'browser.type'}));
640: $user_os = $env{'browser.os'} if (exists($env{'browser.os'}));
1.90 www 641: if (! defined($user_browser) || ! defined($user_os)) {
642: (undef,$user_browser,undef,undef,undef,$user_os) =
643: &Apache::loncommon::decode_user_agent();
644: }
645: if ($user_browser eq 'safari' && $user_os =~ 'mac') {
646: $nothing = "document.clear()";
647: } else {
648: $nothing = "document.open('text/html','replace')";
649: }
650: return $nothing;
651: }
652:
1.21 matthew 653:
1.17 matthew 654: ##############################################
655: ##############################################
656:
1.21 matthew 657: =pod
1.17 matthew 658:
1.21 matthew 659: =item &StatusOptions()
1.10 matthew 660:
1.21 matthew 661: Returns html for a selection box which allows the user to choose the
662: enrollment status of students. The selection box name is 'Status'.
1.6 stredwic 663:
1.21 matthew 664: Inputs:
1.6 stredwic 665:
1.21 matthew 666: $status: the currently selected status. If undefined the value of
1.104 albertel 667: $env{'form.Status'} is taken. If that is undefined, a value of 'Active'
1.21 matthew 668: is used.
1.6 stredwic 669:
1.21 matthew 670: $formname: The name of the form. If defined the onchange attribute of
671: the selection box is set to document.$formname.submit().
1.6 stredwic 672:
1.21 matthew 673: $size: the size (number of lines) of the selection box.
1.6 stredwic 674:
1.27 matthew 675: $onchange: javascript to use when the value is changed. Enclosed in
676: double quotes, ""s, not single quotes.
677:
1.21 matthew 678: Returns: a perl string as described.
1.1 stredwic 679:
1.21 matthew 680: =cut
1.9 stredwic 681:
1.21 matthew 682: ##############################################
683: ##############################################
684: sub StatusOptions {
1.165 ! banghart 685: my ($status, $formName,$size,$onchange,$mult)=@_;
1.21 matthew 686: $size = 1 if (!defined($size));
687: if (! defined($status)) {
688: $status = 'Active';
1.104 albertel 689: $status = $env{'form.Status'} if (exists($env{'form.Status'}));
1.9 stredwic 690: }
1.1 stredwic 691:
692: my $Str = '';
693: $Str .= '<select name="Status"';
1.165 ! banghart 694: if (defined($mult)){
! 695: $Str .= ' multiple="multiple" ';
! 696: }
1.27 matthew 697: if(defined($formName) && $formName ne '' && ! defined($onchange)) {
1.1 stredwic 698: $Str .= ' onchange="document.'.$formName.'.submit()"';
1.27 matthew 699: }
700: if (defined($onchange)) {
701: $Str .= ' onchange="'.$onchange.'"';
1.1 stredwic 702: }
1.21 matthew 703: $Str .= ' size="'.$size.'" ';
1.1 stredwic 704: $Str .= '>'."\n";
1.153 raeburn 705: foreach my $type (['Active', &mt('Currently Has Access')],
706: ['Future', &mt('Will Have Future Access')],
707: ['Expired', &mt('Previously Had Access')],
708: ['Any', &mt('Any Access Status')]) {
1.151 albertel 709: my ($name,$label) = @$type;
710: $Str .= '<option value="'.$name.'" ';
711: if ($status eq $name) {
712: $Str .= 'selected="selected" ';
713: }
714: $Str .= '>'.$label.'</option>'."\n";
715: }
716:
1.1 stredwic 717: $Str .= '</select>'."\n";
1.7 stredwic 718: }
1.12 matthew 719:
720: ########################################################
721: ########################################################
1.7 stredwic 722:
1.23 matthew 723: =pod
724:
725: =item Progess Window Handling Routines
726:
727: These routines handle the creation, update, increment, and closure of
728: progress windows. The progress window reports to the user the number
729: of items completed and an estimate of the time required to complete the rest.
730:
731: =over 4
732:
733:
734: =item &Create_PrgWin
735:
736: Writes javascript to the client to open a progress window and returns a
737: data structure used for bookkeeping.
738:
739: Inputs
740:
741: =over 4
742:
743: =item $r Apache request
744:
745: =item $title The title of the progress window
746:
747: =item $heading A description (usually 1 line) of the process being initiated.
748:
749: =item $number_to_do The total number of items being processed.
1.50 albertel 750:
751: =item $type Either 'popup' or 'inline' (popup is assumed if nothing is
752: specified)
753:
1.51 albertel 754: =item $width Specify the width in charaters of the input field.
755:
1.50 albertel 756: =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
757:
758: =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 759:
760: =back
761:
762: Returns a hash containing the progress state data structure.
763:
764:
765: =item &Update_PrgWin
766:
767: Updates the text in the progress indicator. Does not increment the count.
768: See &Increment_PrgWin.
769:
770: Inputs:
771:
772: =over 4
773:
774: =item $r Apache request
775:
776: =item $prog_state Pointer to the data structure returned by &Create_PrgWin
777:
778: =item $displaystring The string to write to the status indicator
779:
780: =back
781:
782: Returns: none
783:
784:
785: =item Increment_PrgWin
786:
787: Increment the count of items completed for the progress window by 1.
788:
789: Inputs:
790:
791: =over 4
792:
793: =item $r Apache request
794:
795: =item $prog_state Pointer to the data structure returned by Create_PrgWin
796:
797: =item $extraInfo A description of the items being iterated over. Typically
798: 'student'.
799:
800: =back
801:
802: Returns: none
803:
804:
805: =item Close_PrgWin
806:
807: Closes the progress window.
808:
809: Inputs:
810:
811: =over 4
812:
813: =item $r Apache request
814:
815: =item $prog_state Pointer to the data structure returned by Create_PrgWin
816:
817: =back
818:
819: Returns: none
820:
821: =back
822:
823: =cut
824:
825: ########################################################
826: ########################################################
827:
1.51 albertel 828: my $uniq=0;
829: sub get_uniq_name {
830: $uniq++;
831: return 'uniquename'.$uniq;
832: }
833:
1.7 stredwic 834: # Create progress
835: sub Create_PrgWin {
1.51 albertel 836: my ($r, $title, $heading, $number_to_do,$type,$width,$formname,
837: $inputname)=@_;
1.49 albertel 838: if (!defined($type)) { $type='popup'; }
1.51 albertel 839: if (!defined($width)) { $width=55; }
1.49 albertel 840: my %prog_state;
841: $prog_state{'type'}=$type;
842: if ($type eq 'popup') {
843: $prog_state{'window'}='popwin';
1.122 albertel 844: my $start_page =
845: &Apache::loncommon::start_page($title,undef,
846: {'only_body' => 1,
847: 'bgcolor' => '#88DDFF',
848: 'js_ready' => 1});
849: my $end_page = &Apache::loncommon::end_page({'js_ready' => 1});
850:
1.49 albertel 851: #the whole function called through timeout is due to issues
852: #in mozilla Read BUG #2665 if you want to know the whole story
1.122 albertel 853: &r_print($r,'<script type="text/javascript">'.
1.49 albertel 854: "var popwin;
855: function openpopwin () {
856: popwin=open(\'\',\'popwin\',\'width=400,height=100\');".
1.122 albertel 857: "popwin.document.writeln(\'".$start_page.
1.131 albertel 858: "<h4>$heading<\/h4>".
1.159 banghart 859: "<form action= \"\" name=\"popremain\" method=\"post\">".
1.51 albertel 860: '<input type="text" size="'.$width.'" name="remaining" value="'.
1.131 albertel 861: &mt('Starting').'" /><\\/form>'.$end_page.
1.122 albertel 862: "\');".
1.49 albertel 863: "popwin.document.close();}".
864: "\nwindow.setTimeout(openpopwin,0)</script>");
865: $prog_state{'formname'}='popremain';
866: $prog_state{'inputname'}="remaining";
867: } elsif ($type eq 'inline') {
868: $prog_state{'window'}='window';
869: if (!$formname) {
1.51 albertel 870: $prog_state{'formname'}=&get_uniq_name();
1.159 banghart 871: &r_print($r,'<form action="" name="'.$prog_state{'formname'}.'">');
1.49 albertel 872: } else {
873: $prog_state{'formname'}=$formname;
874: }
875: if (!$inputname) {
1.51 albertel 876: $prog_state{'inputname'}=&get_uniq_name();
1.56 albertel 877: &r_print($r,$heading.' <input type="text" name="'.$prog_state{'inputname'}.
1.51 albertel 878: '" size="'.$width.'" />');
1.49 albertel 879: } else {
880: $prog_state{'inputname'}=$inputname;
881:
882: }
883: if (!$formname) { &r_print($r,'</form>'); }
884: &Update_PrgWin($r,\%prog_state,&mt('Starting'));
885: }
1.7 stredwic 886:
1.16 albertel 887: $prog_state{'done'}=0;
1.23 matthew 888: $prog_state{'firststart'}=&Time::HiRes::time();
889: $prog_state{'laststart'}=&Time::HiRes::time();
1.16 albertel 890: $prog_state{'max'}=$number_to_do;
1.49 albertel 891:
1.14 albertel 892: return %prog_state;
1.7 stredwic 893: }
894:
895: # update progress
896: sub Update_PrgWin {
1.14 albertel 897: my ($r,$prog_state,$displayString)=@_;
1.159 banghart 898: &r_print($r,'<script type="text/javascript">'.$$prog_state{'window'}.'.document.'.
1.49 albertel 899: $$prog_state{'formname'}.'.'.
900: $$prog_state{'inputname'}.'.value="'.
1.48 albertel 901: $displayString.'";</script>');
1.23 matthew 902: $$prog_state{'laststart'}=&Time::HiRes::time();
1.14 albertel 903: }
904:
905: # increment progress state
906: sub Increment_PrgWin {
907: my ($r,$prog_state,$extraInfo)=@_;
1.16 albertel 908: $$prog_state{'done'}++;
1.23 matthew 909: my $time_est= (&Time::HiRes::time() - $$prog_state{'firststart'})/
910: $$prog_state{'done'} *
1.16 albertel 911: ($$prog_state{'max'}-$$prog_state{'done'});
912: $time_est = int($time_est);
1.80 matthew 913: #
914: my $min = int($time_est/60);
915: my $sec = $time_est % 60;
916: #
917: my $str;
1.91 albertel 918: if ($min == 0 && $sec > 1) {
1.80 matthew 919: $str = '[_2] seconds';
1.91 albertel 920: } elsif ($min == 1 && $sec > 1) {
921: $str = '1 minute [_2] seconds';
1.80 matthew 922: } elsif ($min == 1 && $sec < 2) {
923: $str = '1 minute';
924: } elsif ($min < 10 && $sec > 1) {
925: $str = '[_1] minutes, [_2] seconds';
1.81 matthew 926: } elsif ($min >= 10 || $sec < 2) {
1.80 matthew 927: $str = '[_1] minutes';
1.16 albertel 928: }
1.80 matthew 929: $time_est = &mt($str,$min,$sec);
930: #
1.23 matthew 931: my $lasttime = &Time::HiRes::time()-$$prog_state{'laststart'};
932: if ($lasttime > 9) {
933: $lasttime = int($lasttime);
934: } elsif ($lasttime < 0.01) {
935: $lasttime = 0;
936: } else {
937: $lasttime = sprintf("%3.2f",$lasttime);
938: }
1.19 matthew 939: if ($lasttime == 1) {
1.32 www 940: $lasttime = '('.$lasttime.' '.&mt('second for').' '.$extraInfo.')';
1.19 matthew 941: } else {
1.32 www 942: $lasttime = '('.$lasttime.' '.&mt('seconds for').' '.$extraInfo.')';
1.28 matthew 943: }
944: #
1.104 albertel 945: my $user_browser = $env{'browser.type'} if (exists($env{'browser.type'}));
946: my $user_os = $env{'browser.os'} if (exists($env{'browser.os'}));
1.28 matthew 947: if (! defined($user_browser) || ! defined($user_os)) {
948: (undef,$user_browser,undef,undef,undef,$user_os) =
949: &Apache::loncommon::decode_user_agent();
950: }
951: if ($user_browser eq 'explorer' && $user_os =~ 'mac') {
952: $lasttime = '';
1.19 matthew 953: }
1.49 albertel 954: &r_print($r,'<script>'.$$prog_state{'window'}.'.document.'.
955: $$prog_state{'formname'}.'.'.
956: $$prog_state{'inputname'}.'.value="'.
1.48 albertel 957: $$prog_state{'done'}.'/'.$$prog_state{'max'}.
958: ': '.$time_est.' '.&mt('remaining').' '.$lasttime.'";'.'</script>');
1.23 matthew 959: $$prog_state{'laststart'}=&Time::HiRes::time();
1.7 stredwic 960: }
961:
962: # close Progress Line
963: sub Close_PrgWin {
1.14 albertel 964: my ($r,$prog_state)=@_;
1.49 albertel 965: if ($$prog_state{'type'} eq 'popup') {
966: &r_print($r,'<script>popwin.close()</script>'."\n");
967: } elsif ($$prog_state{'type'} eq 'inline') {
968: &Update_PrgWin($r,$prog_state,&mt('Done'));
969: }
1.48 albertel 970: undef(%$prog_state);
971: }
972:
973: sub r_print {
974: my ($r,$to_print)=@_;
975: if ($r) {
976: $r->print($to_print);
977: $r->rflush();
1.47 sakharuk 978: } else {
1.48 albertel 979: print($to_print);
1.47 sakharuk 980: }
1.1 stredwic 981: }
1.34 www 982:
983: # ------------------------------------------------------- Puts directory header
984:
985: sub crumbs {
1.132 www 986: my ($uri,$target,$prefix,$form,$size,$noformat,$skiplast)=@_;
1.62 matthew 987: if (! defined($size)) {
988: $size = '+2';
989: }
1.100 raeburn 990: if ($target) {
991: $target = ' target="'.
992: &Apache::loncommon::escape_single($target).'"';
993: }
1.78 www 994: my $output='';
995: unless ($noformat) { $output.='<br /><tt><b>'; }
996: $output.='<font size="'.$size.'">'.$prefix.'/';
1.104 albertel 997: if ($env{'user.adv'}) {
1.43 www 998: my $path=$prefix.'/';
1.99 matthew 999: foreach my $dir (split('/',$uri)) {
1000: if (! $dir) { next; }
1001: $path .= $dir;
1.150 albertel 1002: if ($path eq $uri) {
1.132 www 1003: if ($skiplast) {
1004: $output.=$dir;
1005: last;
1006: }
1007: } else {
1008: $path.='/';
1.157 albertel 1009: }
1010: my $href_path = &HTML::Entities::encode($path,'<>&"');
1.160 albertel 1011: &Apache::loncommon::inhibit_menu_check(\$href_path);
1.162 banghart 1012: if ($form) {
1013: my $href = 'javascript:'.$form.".action='".$href_path."';".$form.'.submit();';
1014: $output.=qq{<a href="$href" $target>$dir</a>/};
1015: } else {
1016: $output.=qq{<a href="$href_path" $target>$dir</a>/};
1017: }
1.35 www 1018: }
1019: } else {
1.149 albertel 1020: foreach my $dir (split('/',$uri)) {
1021: if (! $dir) { next; }
1022: $output.=$dir.'/';
1023: }
1.34 www 1024: }
1.149 albertel 1025: if ($uri !~ m|/$|) { $output=~s|/$||; }
1.78 www 1026: return $output.'</font>'.($noformat?'':'</b></tt><br />');
1.34 www 1027: }
1028:
1.85 www 1029: # --------------------- A function that generates a window for the spellchecker
1030:
1031: sub spellheader {
1.123 albertel 1032: my $start_page=
1033: &Apache::loncommon::start_page('Speller Suggestions',undef,
1.140 albertel 1034: {'only_body' => 1,
1035: 'js_ready' => 1,
1036: 'bgcolor' => '#DDDDDD',
1037: 'add_entries' => {
1038: 'onload' =>
1039: 'document.forms.spellcheckform.submit()',
1040: }
1041: });
1.123 albertel 1042: my $end_page=
1043: &Apache::loncommon::end_page({'js_ready' => 1});
1044:
1.105 www 1045: my $nothing=&javascript_nothing();
1.85 www 1046: return (<<ENDCHECK);
1047: <script type="text/javascript">
1.92 albertel 1048: //<!-- BEGIN LON-CAPA Internal
1.85 www 1049: var checkwin;
1050:
1.140 albertel 1051: function spellcheckerwindow(string) {
1052: var esc_string = string.replace(/\"/g,'"');
1.105 www 1053: checkwin=window.open($nothing,'spellcheckwin','height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
1.154 albertel 1054: 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 1055: checkwin.document.close();
1056: }
1.92 albertel 1057: // END LON-CAPA Internal -->
1.85 www 1058: </script>
1059: ENDCHECK
1060: }
1061:
1062: # ---------------------------------- Generate link to spell checker for a field
1063:
1064: sub spelllink {
1065: my ($form,$field)=@_;
1066: my $linktext=&mt('Check Spelling');
1067: return (<<ENDLINK);
1.140 albertel 1068: <a href="javascript:if (typeof(document.$form.onsubmit)!='undefined') { if (document.$form.onsubmit!=null) { document.$form.onsubmit();}};spellcheckerwindow(this.document.forms.$form.$field.value);">$linktext</a>
1.85 www 1069: ENDLINK
1070: }
1071:
1.52 www 1072: # ------------------------------------------------- Output headers for HTMLArea
1073:
1.124 albertel 1074: {
1075: my @htmlareafields;
1076: sub init_htmlareafields {
1077: undef(@htmlareafields);
1078: }
1079:
1080: sub add_htmlareafields {
1081: my (@newfields) = @_;
1082: push(@htmlareafields,@newfields);
1083: }
1084:
1085: sub get_htmlareafields {
1086: return @htmlareafields;
1087: }
1088: }
1089:
1.52 www 1090: sub htmlareaheaders {
1.71 www 1091: if (&htmlareablocked()) { return ''; }
1.76 www 1092: unless (&htmlareabrowser()) { return ''; }
1.52 www 1093: my $lang='en';
1.71 www 1094: if (&mt('htmlarea_lang') ne 'htmlarea_lang') {
1095: $lang=&mt('htmlarea_lang');
1096: }
1.52 www 1097: return (<<ENDHEADERS);
1.61 www 1098: <script type="text/javascript">
1.73 www 1099: _editor_url='/htmlarea/';
1100: _editor_lang='$lang';
1.61 www 1101: </script>
1.52 www 1102: <script type="text/javascript" src="/htmlarea/htmlarea.js"></script>
1.146 albertel 1103: <link rel="stylesheet" type="text/css" href="/htmlarea/htmlarea.css" />
1.52 www 1104: ENDHEADERS
1105: }
1106:
1.74 www 1107: # ------------------------------------------------- Activate additional buttons
1108:
1109: sub htmlareaaddbuttons {
1110: if (&htmlareablocked()) { return ''; }
1.76 www 1111: unless (&htmlareabrowser()) { return ''; }
1.74 www 1112: return (<<ENDADDBUTTON);
1113: var config=new HTMLArea.Config();
1114: config.registerButton('ed_math','LaTeX Inline',
1115: '/htmlarea/images/ed_math.gif',false,
1116: function(editor,id) {
1.88 albertel 1117: editor.surroundHTML(' <m>\$','\$</m> ');
1.74 www 1118: }
1119: );
1120: config.registerButton('ed_math_eqn','LaTeX Equation',
1121: '/htmlarea/images/ed_math_eqn.gif',false,
1122: function(editor,id) {
1.75 www 1123: editor.surroundHTML(
1.88 albertel 1124: ' \\n<center><m>\\\\[','\\\\]</m></center>\\n ');
1.74 www 1125: }
1126: );
1127: config.toolbar.push(['ed_math','ed_math_eqn']);
1128: ENDADDBUTTON
1129: }
1.76 www 1130:
1131: # ----------------------------------------------------------------- Preferences
1132:
1133: sub disablelink {
1.77 www 1134: my @fields=@_;
1135: if (defined($#fields)) {
1136: unless ($#fields>=0) { return ''; }
1137: }
1.130 www 1138: return '<a href="'.&HTML::Entities::encode('/adm/preferences?action=set_wysiwyg&wysiwyg=off&returnurl=','<>&"').&escape($ENV{'REQUEST_URI'}).'">'.&mt('Disable WYSIWYG Editor').'</a>';
1.76 www 1139: }
1140:
1141: sub enablelink {
1.77 www 1142: my @fields=@_;
1143: if (defined($#fields)) {
1144: unless ($#fields>=0) { return ''; }
1145: }
1.130 www 1146: return '<a href="'.&HTML::Entities::encode('/adm/preferences?action=set_wysiwyg&wysiwyg=on&returnurl=','<>&"').&escape($ENV{'REQUEST_URI'}).'">'.&mt('Enable WYSIWYG Editor').'</a>';
1.76 www 1147: }
1148:
1.72 www 1149: # ----------------------------------------- Script to activate only some fields
1150:
1151: sub htmlareaselectactive {
1.73 www 1152: my @fields=@_;
1.76 www 1153: unless (&htmlareabrowser()) { return ''; }
1.77 www 1154: if (&htmlareablocked()) { return '<br />'.&enablelink(@fields); }
1.74 www 1155: my $output='<script type="text/javascript" defer="1">'.
1156: &htmlareaaddbuttons();
1.73 www 1157: foreach(@fields) {
1.74 www 1158: $output.="\nHTMLArea.replace('$_',config);";
1.72 www 1159: }
1.76 www 1160: $output.="\nwindow.status='Activated Editfields';\n</script><br />".
1.77 www 1161: &disablelink(@fields);
1.72 www 1162: return $output;
1163: }
1164:
1.61 www 1165: # --------------------------------------------------------------------- Blocked
1166:
1167: sub htmlareablocked {
1.104 albertel 1168: unless ($env{'environment.wysiwygeditor'} eq 'on') { return 1; }
1.71 www 1169: return 0;
1.52 www 1170: }
1171:
1172: # ---------------------------------------- Browser capable of running HTMLArea?
1173:
1174: sub htmlareabrowser {
1175: return 1;
1176: }
1.53 matthew 1177:
1178: ############################################################
1179: ############################################################
1180:
1181: =pod
1182:
1183: =item breadcrumbs
1184:
1185: Compiles the previously registered breadcrumbs into an series of links.
1186: FAQ and BUG links will be placed on the left side of the table if they
1187: are defined for the last registered breadcrumb.
1188: Additionally supports a 'component', which will be displayed on the
1189: right side of the table (without a link).
1190: A link to help for the component will be included if one is specified.
1191:
1192: All inputs can be undef without problems.
1193:
1.138 albertel 1194: Inputs: $component (the large text on the right side of the table),
1.53 matthew 1195: $component_help
1.63 albertel 1196: $menulink (boolean, controls whether to include a link to /adm/menu)
1.138 albertel 1197: $helplink (if 'nohelp' don't include the orange help link)
1198: $css_class (optional name for the class to apply to the table for CSS)
1.53 matthew 1199: Returns a string containing breadcrumbs for the current page.
1200:
1201: =item clear_breadcrumbs
1202:
1203: Clears the previously stored breadcrumbs.
1204:
1205: =item add_breadcrumb
1206:
1207: Pushes a breadcrumb on the stack of crumbs.
1208:
1209: input: $breadcrumb, a hash reference. The keys 'href','title', and 'text'
1210: are required. If present the keys 'faq' and 'bug' will be used to provide
1.156 albertel 1211: links to the FAQ and bug sites. If the key 'no_mt' is present the 'title'
1212: and 'text' values won't be sent through &mt()
1.53 matthew 1213:
1214: returns: nothing
1215:
1216: =cut
1217:
1218: ############################################################
1219: ############################################################
1220: {
1221: my @Crumbs;
1.57 matthew 1222:
1.53 matthew 1223: sub breadcrumbs {
1.138 albertel 1224: my ($component,$component_help,$menulink,$helplink,$css_class) = @_;
1.53 matthew 1225: #
1.138 albertel 1226: $css_class ||= 'LC_breadcrumbs';
1227: my $Str = "\n".'<table class="'.$css_class.'"><tr><td>';
1.57 matthew 1228: #
1229: # Make the faq and bug data cascade
1230: my $faq = '';
1231: my $bug = '';
1.106 www 1232: my $help='';
1.60 www 1233: # The last breadcrumb does not have a link, so handle it separately.
1.53 matthew 1234: my $last = pop(@Crumbs);
1.57 matthew 1235: #
1.70 matthew 1236: # The first one should be the course or a menu link
1.63 albertel 1237: if (!defined($menulink)) { $menulink=1; }
1.70 matthew 1238: if ($menulink) {
1239: my $description = 'Menu';
1.104 albertel 1240: if (exists($env{'request.course.id'}) &&
1241: $env{'request.course.id'} ne '') {
1.70 matthew 1242: $description =
1.104 albertel 1243: $env{'course.'.$env{'request.course.id'}.'.description'};
1.70 matthew 1244: }
1.57 matthew 1245: unshift(@Crumbs,{
1.70 matthew 1246: href =>'/adm/menu',
1247: title =>'Go to main menu',
1248: target =>'_top',
1249: text =>$description,
1250: });
1.53 matthew 1251: }
1252: my $links .=
1253: join('->',
1254: map {
1.57 matthew 1255: $faq = $_->{'faq'} if (exists($_->{'faq'}));
1256: $bug = $_->{'bug'} if (exists($_->{'bug'}));
1.106 www 1257: $help = $_->{'help'} if (exists($_->{'help'}));
1.69 matthew 1258: my $result = '<a href="'.$_->{'href'}.'" ';
1259: if (defined($_->{'target'}) && $_->{'target'} ne '') {
1260: $result .= 'target="'.$_->{'target'}.'" ';
1261: }
1.156 albertel 1262: if ($_->{'no_mt'}) {
1263: $result .='title="'.$_->{'title'}.'">'.
1264: $_->{'text'}.'</a>';
1265: } else {
1266: $result .='title="'.&mt($_->{'title'}).'">'.
1267: &mt($_->{'text'}).'</a>';
1268: }
1.69 matthew 1269: $result;
1.53 matthew 1270: } @Crumbs
1271: );
1272: $links .= '->' if ($links ne '');
1.156 albertel 1273: if ($last->{'no_mt'}) {
1274: $links .= '<b>'.$last->{'text'}.'</b>';
1275: } else {
1276: $links .= '<b>'.&mt($last->{'text'}).'</b>';
1277: }
1.54 matthew 1278: #
1279: my $icons = '';
1.57 matthew 1280: $faq = $last->{'faq'} if (exists($last->{'faq'}));
1281: $bug = $last->{'bug'} if (exists($last->{'bug'}));
1.106 www 1282: $help = $last->{'help'} if (exists($last->{'help'}));
1283: $component_help=($component_help?$component_help:$help);
1.145 albertel 1284: # if ($faq ne '') {
1285: # $icons .= &Apache::loncommon::help_open_faq($faq);
1286: # }
1.79 raeburn 1287: # if ($bug ne '') {
1288: # $icons .= &Apache::loncommon::help_open_bug($bug);
1289: # }
1.144 albertel 1290: if ($faq ne '' || $component_help ne '' || $bug ne '') {
1.137 albertel 1291: $icons .= &Apache::loncommon::help_open_menu($component,
1.126 albertel 1292: $component_help,
1.137 albertel 1293: $faq,$bug);
1.87 albertel 1294: }
1.54 matthew 1295: #
1.126 albertel 1296: $Str .= $links.'</td>';
1.54 matthew 1297: #
1.53 matthew 1298: if (defined($component)) {
1.138 albertel 1299: $Str .= '<td class="'.$css_class.'_component">'.
1.144 albertel 1300: &mt($component);
1301: if ($icons ne '') {
1302: $Str .= ' '.$icons;
1303: }
1304: $Str .= '</td>';
1.53 matthew 1305: }
1306: $Str .= '</tr></table>'."\n";
1307: #
1308: # Return the @Crumbs stack to what we started with
1309: push(@Crumbs,$last);
1310: shift(@Crumbs);
1311: #
1312: return $Str;
1313: }
1314:
1315: sub clear_breadcrumbs {
1316: undef(@Crumbs);
1317: }
1318:
1319: sub add_breadcrumb {
1320: push (@Crumbs,@_);
1321: }
1322:
1.57 matthew 1323: } # End of scope for @Crumbs
1.53 matthew 1324:
1325: ############################################################
1326: ############################################################
1327:
1.112 raeburn 1328: # Nested table routines.
1329: #
1330: # Routines to display form items in a multi-row table with 2 columns.
1331: # Uses nested tables to divide form elements into segments.
1332: # For examples of use see loncom/interface/lonnotify.pm
1333: #
1334: # Can be used in following order: ...
1335: # &start_pick_box()
1336: # row1
1337: # row2
1338: # row3 ... etc.
1339: # &submit_row(0
1.161 raeburn 1340: # &end_pick_box()
1.112 raeburn 1341: #
1342: # where row1, row 2 etc. are chosen from &role_select_row,&course_select_row,
1343: # &status_select_row and &email_default_row
1344: #
1345: # Can also be used in following order:
1346: #
1347: # &start_pick_box()
1348: # &row_title()
1349: # &row_closure()
1350: # &row_title()
1351: # &row_closure() ... etc.
1352: # &submit_row()
1353: # &end_pick_box()
1354: #
1355: # In general a &submit_row() call should proceed the call to &end_pick_box(),
1356: # as this routine adds a button for form submission.
1.113 raeburn 1357: # &submit_row() does not require a &row_closure after it.
1.112 raeburn 1358: #
1359: # &start_pick_box() creates a bounding table with 1-pixel wide black border.
1360: # rows should be placed between calls to &start_pick_box() and &end_pick_box.
1361: #
1362: # &row_title() adds a title in the left column for each segment.
1363: # &row_closure() closes a row with a 1-pixel wide black line.
1364: #
1365: # &role_select_row() provides a select box from which to choose 1 or more roles
1366: # &course_select_row provides ways of picking groups of courses
1367: # radio buttons: all, by category or by picking from a course picker pop-up
1368: # note: by category option is only displayed if a domain has implemented
1369: # selection by year, semester, department, number etc.
1370: #
1371: # &status_select_row() provides a select box from which to choose 1 or more
1372: # access types (current access, prior access, and future access)
1373: #
1374: # &email_default_row() provides text boxes for default e-mail suffixes for
1375: # different authentication types in a domain.
1376: #
1377: # &row_title() and &row_closure() are called internally by the &*_select_row
1378: # routines, but can also be called directly to start and end rows which have
1379: # needs that are not accommodated by the *_select_row() routines.
1380:
1381: sub start_pick_box {
1.142 albertel 1382: my ($css_class) = @_;
1383: if (defined($css_class)) {
1384: $css_class = 'class="'.$css_class.'"';
1385: } else {
1386: $css_class= 'class="LC_pick_box"';
1387: }
1.112 raeburn 1388: my $output = <<"END";
1.142 albertel 1389: <table $css_class>
1.112 raeburn 1390: END
1391: return $output;
1392: }
1393:
1394: sub end_pick_box {
1395: my $output = <<"END";
1396: </table>
1397: END
1398: return $output;
1399: }
1400:
1401: sub row_title {
1.142 albertel 1402: my ($title,$css_title_class,$css_value_class) = @_;
1403: $css_title_class ||= 'LC_pick_box_title';
1404: $css_title_class = 'class="'.$css_title_class.'"';
1405:
1406: $css_value_class ||= 'LC_pick_box_value';
1407: $css_value_class = 'class="'.$css_value_class.'"';
1408:
1.112 raeburn 1409: my $output = <<"ENDONE";
1.142 albertel 1410: <tr class="LC_pick_box_row">
1411: <td $css_title_class>
1412: $title:
1.112 raeburn 1413: </td>
1.142 albertel 1414: <td $css_value_class>
1.112 raeburn 1415: ENDONE
1416: return $output;
1417: }
1418:
1419: sub row_closure {
1.143 albertel 1420: my ($no_separator) =@_;
1.113 raeburn 1421: my $output = <<"ENDTWO";
1.112 raeburn 1422: </td>
1423: </tr>
1.143 albertel 1424: ENDTWO
1425: if (!$no_separator) {
1426: $output .= <<"ENDTWO";
1.112 raeburn 1427: <tr>
1.143 albertel 1428: <td colspan="2" class="LC_pick_box_separator">
1.112 raeburn 1429: </td>
1430: </tr>
1431: ENDTWO
1.143 albertel 1432: }
1.112 raeburn 1433: return $output;
1434: }
1435:
1436: sub role_select_row {
1.147 raeburn 1437: my ($roles,$title,$css_class,$show_separate_custom,$cdom,$cnum) = @_;
1.116 raeburn 1438: my $output;
1439: if (defined($title)) {
1.142 albertel 1440: $output = &row_title($title,$css_class);
1.116 raeburn 1441: }
1.142 albertel 1442: $output .= qq|
1.112 raeburn 1443: <select name="roles" multiple >\n|;
1.113 raeburn 1444: foreach my $role (@$roles) {
1.114 raeburn 1445: my $plrole;
1446: if ($role eq 'ow') {
1447: $plrole = &mt('Course Owner');
1.147 raeburn 1448: } elsif ($role eq 'cr') {
1449: if ($show_separate_custom) {
1450: if ($cdom ne '' && $cnum ne '') {
1451: my %course_customroles = &course_custom_roles($cdom,$cnum);
1452: foreach my $crrole (sort(keys(%course_customroles))) {
1453: my ($plcrrole) = ($crrole =~ m|^cr/[^/]+/[^/]+/(.+)$|);
1454: $output .= ' <option value="'.$crrole.'">'.$plcrrole.
1455: '</option>';
1456: }
1457: }
1458: } else {
1459: $plrole = &mt('Custom Role');
1460: }
1.114 raeburn 1461: } else {
1462: $plrole=&Apache::lonnet::plaintext($role);
1463: }
1.147 raeburn 1464: if (($role ne 'cr') || (!$show_separate_custom)) {
1465: $output .= ' <option value="'.$role.'">'.$plrole.'</option>';
1466: }
1.112 raeburn 1467: }
1.142 albertel 1468: $output .= qq| </select>\n|;
1.116 raeburn 1469: if (defined($title)) {
1470: $output .= &row_closure();
1471: }
1.112 raeburn 1472: return $output;
1473: }
1474:
1475: sub course_select_row {
1.142 albertel 1476: my ($title,$formname,$totcodes,$codetitles,$idlist,$idlist_titles,
1477: $css_class) = @_;
1478: my $output = &row_title($title,$css_class);
1.112 raeburn 1479: $output .= qq|
1.142 albertel 1480: <script type="text/javascript">
1.112 raeburn 1481: function coursePick (formname) {
1482: for (var i=0; i<formname.coursepick.length; i++) {
1.114 raeburn 1483: if (formname.coursepick[i].value == 'category') {
1484: courseSet('');
1485: }
1.112 raeburn 1486: if (!formname.coursepick[i].checked) {
1487: if (formname.coursepick[i].value == 'specific') {
1488: formname.coursetotal.value = 0;
1489: formname.courselist = '';
1490: }
1491: }
1492: }
1493: }
1.114 raeburn 1494: function setPick (formname) {
1495: for (var i=0; i<formname.coursepick.length; i++) {
1496: if (formname.coursepick[i].value == 'category') {
1497: formname.coursepick[i].checked = true;
1498: }
1499: formname.coursetotal.value = 0;
1500: formname.courselist = '';
1501: }
1502: }
1.112 raeburn 1503: </script>
1504: |;
1505: my $courseform='<b>'.&Apache::loncommon::selectcourse_link
1.118 raeburn 1506: ($formname,'pickcourse','pickdomain','coursedesc','',1).'</b>';
1.129 raeburn 1507: $output .= '<input type="radio" name="coursepick" value="all" onclick="coursePick(this.form)" />'.&mt('All courses').'<br />';
1.112 raeburn 1508: if ($totcodes > 0) {
1509: my $numtitles = @$codetitles;
1510: if ($numtitles > 0) {
1.129 raeburn 1511: $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 1512: $output .= '<table><tr><td>'.$$codetitles[0].'<br />'."\n".
1513: '<select name="'.$$codetitles[0].
1.114 raeburn 1514: '" onChange="setPick(this.form);courseSet('."'$$codetitles[0]'".')">'."\n".
1.112 raeburn 1515: ' <option value="-1" />Select'."\n";
1516: my @items = ();
1517: my @longitems = ();
1518: if ($$idlist{$$codetitles[0]} =~ /","/) {
1.113 raeburn 1519: @items = split(/","/,$$idlist{$$codetitles[0]});
1.112 raeburn 1520: } else {
1521: $items[0] = $$idlist{$$codetitles[0]};
1522: }
1523: if (defined($$idlist_titles{$$codetitles[0]})) {
1524: if ($$idlist_titles{$$codetitles[0]} =~ /","/) {
1.113 raeburn 1525: @longitems = split(/","/,$$idlist_titles{$$codetitles[0]});
1.112 raeburn 1526: } else {
1527: $longitems[0] = $$idlist_titles{$$codetitles[0]};
1528: }
1529: for (my $i=0; $i<@longitems; $i++) {
1530: if ($longitems[$i] eq '') {
1531: $longitems[$i] = $items[$i];
1532: }
1533: }
1534: } else {
1535: @longitems = @items;
1536: }
1537: for (my $i=0; $i<@items; $i++) {
1538: $output .= ' <option value="'.$items[$i].'">'.$longitems[$i].'</option>';
1539: }
1540: $output .= '</select></td>';
1541: for (my $i=1; $i<$numtitles; $i++) {
1542: $output .= '<td>'.$$codetitles[$i].'<br />'."\n".
1543: '<select name="'.$$codetitles[$i].
1544: '" onChange="courseSet('."'$$codetitles[$i]'".')">'."\n".
1545: '<option value="-1"><-Pick '.$$codetitles[$i-1].'</option>'."\n".
1546: '</select>'."\n".
1547: '</td>';
1548: }
1549: $output .= '</tr></table><br />';
1550: }
1551: }
1.142 albertel 1552: $output .= '<input type="radio" name="coursepick" value="specific" onclick="coursePick(this.form);opencrsbrowser('."'".$formname."'".','."'".'dccourse'."'".','."'".'dcdomain'."'".','."'".'coursedesc'."','','1'".')" />'.&mt('Pick specific course(s):').' '.$courseform.' <input type="text" value="0" size="4" name="coursetotal" /><input type="hidden" name="courselist" value="" />selected.<br />'."\n";
1.112 raeburn 1553: $output .= &row_closure();
1554: return $output;
1555: }
1556:
1557: sub status_select_row {
1.142 albertel 1558: my ($types,$title,$css_class) = @_;
1.117 raeburn 1559: my $output;
1560: if (defined($title)) {
1.142 albertel 1561: $output = &row_title($title,$css_class,'LC_pick_box_select');
1.117 raeburn 1562: }
1.142 albertel 1563: $output .= qq|
1.112 raeburn 1564: <select name="types" multiple>\n|;
1.113 raeburn 1565: foreach my $status_type (sort(keys(%{$types}))) {
1.112 raeburn 1566: $output .= ' <option value="'.$status_type.'">'.$$types{$status_type}.'</option>';
1567: }
1.142 albertel 1568: $output .= qq| </select>\n|;
1.117 raeburn 1569: if (defined($title)) {
1570: $output .= &row_closure();
1571: }
1.112 raeburn 1572: return $output;
1573: }
1574:
1575: sub email_default_row {
1.142 albertel 1576: my ($authtypes,$title,$descrip,$css_class) = @_;
1577: my $output = &row_title($title,$css_class);
1578: $output .= $descrip.
1579: &Apache::loncommon::start_data_table().
1580: &Apache::loncommon::start_data_table_header_row().
1581: '<th>'.&mt('Authentication Method').'</th>'.
1582: '<th align="right">'.&mt('Username -> e-mail conversion').'</th>'."\n".
1583: &Apache::loncommon::end_data_table_header_row();
1.112 raeburn 1584: my $rownum = 0;
1.113 raeburn 1585: foreach my $auth (sort(keys(%{$authtypes}))) {
1.112 raeburn 1586: my ($userentry,$size);
1587: if ($auth =~ /^krb/) {
1588: $userentry = '';
1589: $size = 25;
1590: } else {
1591: $userentry = 'username@';
1592: $size = 15;
1593: }
1.142 albertel 1594: $output .= &Apache::loncommon::start_data_table_row().
1595: '<td> '.$$authtypes{$auth}.'</td>'.
1596: '<td align="right">'.$userentry.
1597: '<input type="text" name="'.$auth.'" size="'.$size.'" /></td>'.
1598: &Apache::loncommon::end_data_table_row();
1.112 raeburn 1599: }
1.142 albertel 1600: $output .= &Apache::loncommon::end_data_table();
1.112 raeburn 1601: $output .= &row_closure();
1602: return $output;
1603: }
1604:
1605:
1606: sub submit_row {
1.142 albertel 1607: my ($title,$cmd,$submit_text,$css_class) = @_;
1608: my $output = &row_title($title,$css_class,'LC_pick_box_submit');
1.112 raeburn 1609: $output .= qq|
1610: <br />
1611: <input type="hidden" name="command" value="$cmd" />
1612: <input type="submit" value="$submit_text"/>
1613: <br /><br />
1.142 albertel 1614: \n|;
1.112 raeburn 1615: return $output;
1616: }
1.1 stredwic 1617:
1.147 raeburn 1618: sub course_custom_roles {
1619: my ($cdom,$cnum) = @_;
1620: my %returnhash=();
1621: my %coursepersonnel=&Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
1622: foreach my $person (sort(keys(%coursepersonnel))) {
1623: my ($role) = ($person =~ /^([^:]+):/);
1624: my ($end,$start) = split(/:/,$coursepersonnel{$person});
1625: if ($end == -1 && $start == -1) {
1626: next;
1627: }
1628: if ($role =~ m|^cr/[^/]+/[^/]+/[^/]|) {
1629: $returnhash{$role} ++;
1630: }
1631: }
1632: return %returnhash;
1633: }
1634:
1635:
1.119 raeburn 1636: ##############################################
1637: ##############################################
1638:
1639: # echo_form_input
1640: #
1641: # Generates html markup to add form elements from the referrer page
1642: # as hidden form elements (values encoded) in the new page.
1643: #
1644: # Intended to support two types of use
1645: # (a) to allow backing up to earlier pages in a multi-page
1646: # form submission process using a breadcrumb trail.
1647: #
1648: # (b) to allow the current page to be reloaded with form elements
1649: # set on previous page to remain unchanged. An example would
1650: # be where the a page containing a dynamically-built table of data is
1651: # is to be redisplayed, with only the sort order of the data changed.
1652: #
1653: # Inputs:
1654: # 1. Reference to array of form elements in the submitted form on
1655: # the referrer page which are to be excluded from the echoed elements.
1656: #
1657: # 2. Reference to array of regular expressions, which if matched in the
1658: # name of the form element n the referrer page will be omitted from echo.
1659: #
1660: # Outputs: A scalar containing the html markup for the echoed form
1661: # elements (all as hidden elements, with values encoded).
1662:
1663:
1664: sub echo_form_input {
1665: my ($excluded,$regexps) = @_;
1666: my $output = '';
1667: foreach my $key (keys(%env)) {
1668: if ($key =~ /^form\.(.+)$/) {
1669: my $name = $1;
1670: my $match = 0;
1671: if ((!@{$excluded}) || (!grep/^$name$/,@{$excluded})) {
1672: if (defined($regexps)) {
1673: if (@{$regexps} > 0) {
1674: foreach my $regexp (@{$regexps}) {
1675: if ($name =~ /\Q$regexp\E/) {
1676: $match = 1;
1677: last;
1678: }
1679: }
1680: }
1681: }
1682: if (!$match) {
1683: if (ref($env{$key})) {
1684: foreach my $value (@{$env{$key}}) {
1685: $value = &HTML::Entities::encode($value,'<>&"');
1686: $output .= '<input type="hidden" name="'.$name.
1687: '" value="'.$value.'" />'."\n";
1688: }
1689: } else {
1690: my $value = &HTML::Entities::encode($env{$key},'<>&"');
1691: $output .= '<input type="hidden" name="'.$name.
1692: '" value="'.$value.'" />'."\n";
1693: }
1694: }
1695: }
1696: }
1697: }
1698: return $output;
1699: }
1700:
1701: ##############################################
1702: ##############################################
1703:
1704: # set_form_elements
1705: #
1706: # Generates javascript to set form elements to values based on
1707: # corresponding values for the same form elements when the page was
1708: # previously submitted.
1709: #
1710: # Last submission values are read from hidden form elements in referring
1711: # page which have the same name, i.e., generated by &echo_form_input().
1712: #
1713: # Intended to be called by onload event.
1714: #
1.121 raeburn 1715: # Inputs:
1716: # (a) Reference to hash of echoed form elements to be set.
1.119 raeburn 1717: #
1718: # In the hash, keys are the form element names, and the values are the
1719: # element type (selectbox, radio, checkbox or text -for textbox, textarea or
1720: # hidden).
1.121 raeburn 1721: #
1722: # (b) Optional reference to hash of stored elements to be set.
1723: #
1724: # If the page being displayed is a page which permits modification of
1725: # previously stored data, e.g., the first page in a multi-page submission,
1726: # then if stored is supplied, form elements will be set to the last stored
1727: # values. If user supplied values are also available for the same elements
1728: # these will replace the stored values.
1729: #
1.119 raeburn 1730: # Output:
1731: #
1732: # javascript function - set_form_elements() which sets form elements,
1733: # expects an argument: formname - the name of the form according to
1734: # the DOM, e.g., document.compose
1735:
1736: sub set_form_elements {
1.121 raeburn 1737: my ($elements,$stored) = @_;
1738: my %values;
1.119 raeburn 1739: my $output .= 'function setFormElements(courseForm) {
1.121 raeburn 1740: ';
1741: if (defined($stored)) {
1742: foreach my $name (keys(%{$stored})) {
1743: if (exists($$elements{$name})) {
1744: if (ref($$stored{$name}) eq 'ARRAY') {
1745: $values{$name} = $$stored{$name};
1746: } else {
1747: @{$values{$name}} = ($$stored{$name});
1748: }
1749: }
1750: }
1751: }
1752:
1.119 raeburn 1753: foreach my $key (keys(%env)) {
1754: if ($key =~ /^form\.(.+)$/) {
1755: my $name = $1;
1756: if (exists($$elements{$name})) {
1.121 raeburn 1757: @{$values{$name}} = &Apache::loncommon::get_env_multiple($key);
1758: }
1759: }
1760: }
1761:
1762: foreach my $name (keys(%values)) {
1763: for (my $i=0; $i<@{$values{$name}}; $i++) {
1764: $values{$name}[$i] = &HTML::Entities::decode($values{$name}[$i],'<>&"');
1765: $values{$name}[$i] =~ s/([\r\n\f]+)/\\n/g;
1766: $values{$name}[$i] =~ s/"/\\"/g;
1767: }
1768: if ($$elements{$name} eq 'text') {
1769: my $numvalues = @{$values{$name}};
1770: if ($numvalues > 1) {
1771: my $valuestring = join('","',@{$values{$name}});
1772: $output .= qq|
1.119 raeburn 1773: var textvalues = new Array ("$valuestring");
1.147 raeburn 1774: var total = courseForm.elements['$name'].length;
1.119 raeburn 1775: if (total > $numvalues) {
1776: total = $numvalues;
1777: }
1778: for (var i=0; i<total; i++) {
1.147 raeburn 1779: courseForm.elements['$name']\[i].value = textvalues[i];
1.119 raeburn 1780: }
1781: |;
1.121 raeburn 1782: } else {
1783: $output .= qq|
1.147 raeburn 1784: courseForm.elements['$name'].value = "$values{$name}[0]";
1.119 raeburn 1785: |;
1.121 raeburn 1786: }
1787: } else {
1788: $output .= qq|
1.147 raeburn 1789: var elementLength = courseForm.elements['$name'].length;
1.119 raeburn 1790: if (elementLength==undefined) {
1791: |;
1.121 raeburn 1792: foreach my $value (@{$values{$name}}) {
1793: if ($$elements{$name} eq 'selectbox') {
1794: $output .= qq|
1.147 raeburn 1795: if (courseForm.elements['$name'].options[0].value == "$value") {
1796: courseForm.elements['$name'].options[0].selected = true;
1.119 raeburn 1797: }|;
1.121 raeburn 1798: } elsif (($$elements{$name} eq 'radio') ||
1799: ($$elements{$name} eq 'checkbox')) {
1800: $output .= qq|
1.147 raeburn 1801: if (courseForm.elements['$name'].value == "$value") {
1.148 albertel 1802: courseForm.elements['$name'].checked = true;
1.119 raeburn 1803: }|;
1.121 raeburn 1804: }
1805: }
1806: $output .= qq|
1.119 raeburn 1807: }
1808: else {
1.147 raeburn 1809: for (var i=0; i<courseForm.elements['$name'].length; i++) {
1.119 raeburn 1810: |;
1.121 raeburn 1811: if ($$elements{$name} eq 'selectbox') {
1812: $output .= qq|
1.147 raeburn 1813: courseForm.elements['$name'].options[i].selected = false;|;
1.121 raeburn 1814: } elsif (($$elements{$name} eq 'radio') ||
1815: ($$elements{$name} eq 'checkbox')) {
1816: $output .= qq|
1.147 raeburn 1817: courseForm.elements['$name']\[i].checked = false;|;
1.121 raeburn 1818: }
1819: $output .= qq|
1.119 raeburn 1820: }
1.147 raeburn 1821: for (var j=0; j<courseForm.elements['$name'].length; j++) {
1.119 raeburn 1822: |;
1.121 raeburn 1823: foreach my $value (@{$values{$name}}) {
1824: if ($$elements{$name} eq 'selectbox') {
1825: $output .= qq|
1.147 raeburn 1826: if (courseForm.elements['$name'].options[j].value == "$value") {
1827: courseForm.elements['$name'].options[j].selected = true;
1.119 raeburn 1828: }|;
1.121 raeburn 1829: } elsif (($$elements{$name} eq 'radio') ||
1830: ($$elements{$name} eq 'checkbox')) {
1831: $output .= qq|
1.147 raeburn 1832: if (courseForm.elements['$name']\[j].value == "$value") {
1833: courseForm.elements['$name']\[j].checked = true;
1.119 raeburn 1834: }|;
1.121 raeburn 1835: }
1836: }
1837: $output .= qq|
1.119 raeburn 1838: }
1839: }
1840: |;
1841: }
1842: }
1843: $output .= "
1844: }\n";
1845: return $output;
1846: }
1847:
1.158 raeburn 1848: ##############################################
1849: ##############################################
1850:
1851: # javascript_valid_email
1852: #
1853: # Generates javascript to validate an e-mail address.
1854: # Returns a javascript function which accetps a form field as argumnent, and
1855: # returns false if field.value does not satisfy two regular expression matches
1856: # for a valid e-mail address. Backwards compatible with old browsers without
1857: # support for javascript RegExp (just checks for @ in field.value in this case).
1858:
1859: sub javascript_valid_email {
1860: my $scripttag .= <<'END';
1861: function validmail(field) {
1862: var str = field.value;
1863: if (window.RegExp) {
1864: var reg1str = "(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)";
1865: var reg2str = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$"; //"
1866: var reg1 = new RegExp(reg1str);
1867: var reg2 = new RegExp(reg2str);
1868: if (!reg1.test(str) && reg2.test(str)) {
1869: return true;
1870: }
1871: return false;
1872: }
1873: else
1874: {
1875: if(str.indexOf("@") >= 0) {
1876: return true;
1877: }
1878: return false;
1879: }
1880: }
1881: END
1882: return $scripttag;
1883: }
1884:
1.1 stredwic 1885: 1;
1.23 matthew 1886:
1.1 stredwic 1887: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonhtmlcommon.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface