Annotation of loncom/interface/lonhtmlcommon.pm, revision 1.335
1.2 www 1: # The LearningOnline Network with CAPA
2: # a pile of common html routines
3: #
1.335 ! bisitz 4: # $Id: lonhtmlcommon.pm,v 1.334 2012/11/29 20:37:07 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;
1.286 www 63: use HTML::Entities();
1.330 raeburn 64: use LONCAPA qw(:DEFAULT :match);
1.1 stredwic 65:
1.284 www 66: sub java_not_enabled {
67: return "\n".'<span class="LC_error">'.
68: &mt('The required Java applet could not be started. Please make sure to have Java installed and active in your browser.').
69: "</span>\n";
70: }
1.247 www 71:
72: sub coursepreflink {
73: my ($text,$category)=@_;
74: if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) {
1.296 www 75: return '<a target="_top" href="'.&HTML::Entities::encode("/adm/courseprefs?phase=display&actions=$category",'<>&"').'"><span class="LC_setting">'.$text.'</span></a>';
1.247 www 76: } else {
77: return '';
78: }
79: }
80:
1.253 www 81: sub raw_href_to_link {
82: my ($message)=@_;
1.264 faziophi 83: $message=~s/(https?\:\/\/[^\s\'\"\<]+)([\s\<]|$)/<a href="$1"><tt>$1<\/tt><\/a>$2/gi;
1.253 www 84: return $message;
85: }
86:
1.286 www 87: sub entity_encode {
88: my ($text)=@_;
89: return &HTML::Entities::encode($text, '<>&"');
90: }
91:
92: sub direct_parm_link {
93: my ($linktext,$symb,$filter,$part,$target)=@_;
94: $symb=&entity_encode($symb);
95: $filter=&entity_encode($filter);
96: $part=&entity_encode($part);
97: if (($symb) && (&Apache::lonnet::allowed('opa')) && ($target ne 'tex')) {
1.315 raeburn 98: return "<a target='_top' href='/adm/parmset?symb=$symb&filter=$filter&part=$part'><span class='LC_setting'>$linktext</span></a>";
1.286 www 99: } else {
100: return $linktext;
101: }
102: }
1.208 www 103: ##############################################
104: ##############################################
105:
1.309 raeburn 106: =item &confirm_success()
1.208 www 107:
108: Successful completion of an operation message
109:
110: =cut
111:
112: sub confirm_success {
1.209 www 113: my ($message,$failure)=@_;
114: if ($failure) {
1.265 wenzelju 115: return '<span class="LC_error" style="font-size: inherit;">'."\n"
1.218 bisitz 116: .'<img src="/adm/lonIcons/navmap.wrong.gif" alt="'.&mt('Error').'" /> '."\n"
1.211 bisitz 117: .$message."\n"
118: .'</span>'."\n";
1.209 www 119: } else {
1.211 bisitz 120: return '<span class="LC_success">'."\n"
1.233 raeburn 121: .'<img src="/adm/lonIcons/navmap.correct.gif" alt="'.&mt('OK').'" /> '."\n"
1.211 bisitz 122: .$message."\n"
123: .'</span>'."\n";
1.209 www 124: }
1.208 www 125: }
1.176 foxr 126:
127: ##############################################
128: ##############################################
129:
130: =pod
131:
1.309 raeburn 132: =item &dragmath_button()
1.176 foxr 133:
1.177 raeburn 134: Creates a button that launches a dragmath popup-window, in which an
135: expression can be edited and pasted as LaTeX into a specified textarea.
136:
137: textarea - Name of the textarea to edit.
138: helpicon - If true, show a help icon to the right of the button.
1.176 foxr 139:
140: =cut
141:
1.177 raeburn 142: sub dragmath_button {
143: my ($textarea,$helpicon) = @_;
144: my $help_text;
145: if ($helpicon) {
1.282 raeburn 146: $help_text = &Apache::loncommon::help_open_topic('Authoring_Math_Editor',undef,undef,undef,undef,'mathhelpicon_'.$textarea);
1.177 raeburn 147: }
1.178 bisitz 148: my $buttontext=&mt('Edit Math');
1.177 raeburn 149: return <<ENDDRAGMATH;
1.246 bisitz 150: <input type="button" value="$buttontext" onclick="javascript:mathedit('$textarea',document)" />$help_text
1.177 raeburn 151: ENDDRAGMATH
152: }
153:
1.176 foxr 154: ##############################################
155:
1.177 raeburn 156: =pod
157:
1.309 raeburn 158: =item &dragmath_js()
1.177 raeburn 159:
160: Javascript used to open pop-up window containing dragmath applet which
161: can be used to paste LaTeX into a textarea.
1.309 raeburn 162:
1.177 raeburn 163: =cut
1.176 foxr 164:
1.177 raeburn 165: sub dragmath_js {
1.182 foxr 166: my ($popup) = @_;
1.177 raeburn 167: return <<ENDDRAGMATHJS;
168: <script type="text/javascript">
1.218 bisitz 169: // <![CDATA[
1.176 foxr 170: function mathedit(textarea, doc) {
171: targetEntry = textarea;
1.177 raeburn 172: targetDoc = doc;
1.182 foxr 173: newwin = window.open("/adm/dragmath/applet/$popup.html","","width=565,height=500,resizable");
1.176 foxr 174: }
1.218 bisitz 175: // ]]>
1.176 foxr 176: </script>
1.177 raeburn 177:
178: ENDDRAGMATHJS
1.176 foxr 179: }
180:
1.309 raeburn 181: ##############################################
182: ##############################################
183:
184: =pod
185:
186: =item &dependencies_button()
187:
188: Creates a button that launches a popup-window, in which dependencies
189: for the web page in the main window can be added to, replaced or deleted.
190:
191: =cut
192:
193: sub dependencies_button {
194: my $buttontext=&mt('Manage Dependencies');
195: return <<"END";
196: <input type="button" value="$buttontext" onclick="javascript:dependencycheck();" />
197: END
198: }
199:
200: ##############################################
201:
202: =pod
203:
204: =item &dependencycheck_js()
205:
206: Javascript used to open pop-up window containing interface to manage
207: dependencies for a web page uploaded diretcly to a course.
208:
209: =cut
210:
211: sub dependencycheck_js {
1.334 raeburn 212: my ($symb,$title,$url,$folderpath,$uri) = @_;
213: my $link;
214: if ($symb) {
215: $link = '/adm/dependencies?symb='.&HTML::Entities::encode($symb,'<>&"');
216: } elsif ($folderpath) {
217: $link = '/adm/dependencies?folderpath='.&HTML::Entities::encode($folderpath,'<>&"');
218: $url = $uri;
219: }
220: $link .= (($link=~/\?/)?'&':'?').'title='.
221: &HTML::Entities::encode($title,'<>&"');
222: if ($url) {
223: $link .= '&url='.&HTML::Entities::encode($url,'<>&"');
224: }
1.309 raeburn 225: return <<ENDJS;
226: <script type="text/javascript">
227: // <![CDATA[
228: function dependencycheck() {
229: depwin = window.open("$link","","width=750,height=500,resizable,scrollbars=yes");
230: }
231: // ]]>
232: </script>
233: ENDJS
234: }
1.182 foxr 235:
1.40 www 236: ##############################################
237: ##############################################
238:
239: =pod
240:
1.309 raeburn 241: =item &authorbombs()
1.40 www 242:
243: =cut
244:
245: ##############################################
246: ##############################################
247:
248: sub authorbombs {
249: my $url=shift;
250: $url=&Apache::lonnet::declutter($url);
1.155 albertel 251: my ($udom,$uname)=($url=~m{^($LONCAPA::domain_re)/($LONCAPA::username_re)/});
1.40 www 252: my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom);
1.232 raeburn 253: foreach my $bomb (keys(%bombs)) {
254: if ($bomb =~ /^$udom\/$uname\//) {
1.40 www 255: return '<a href="/adm/bombs/'.$url.
1.218 bisitz 256: '"><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/bomb.gif').'" alt="'.&mt('Bomb').'" border="0" /></a>'.
1.40 www 257: &Apache::loncommon::help_open_topic('About_Bombs');
258: }
259: }
260: return '';
261: }
1.26 matthew 262:
263: ##############################################
264: ##############################################
265:
1.41 www 266: sub recent_filename {
267: my $area=shift;
1.130 www 268: return 'nohist_recent_'.&escape($area);
1.41 www 269: }
270:
271: sub store_recent {
1.136 albertel 272: my ($area,$name,$value,$freeze)=@_;
1.41 www 273: my $file=&recent_filename($area);
274: my %recent=&Apache::lonnet::dump($file);
1.111 www 275: if (scalar(keys(%recent))>20) {
1.41 www 276: # remove oldest value
1.136 albertel 277: my $oldest=time();
1.41 www 278: my $delkey='';
1.136 albertel 279: foreach my $item (keys(%recent)) {
280: my $thistime=(split(/\&/,$recent{$item}))[0];
281: if (($thistime ne "always_include") && ($thistime<$oldest)) {
1.41 www 282: $oldest=$thistime;
1.136 albertel 283: $delkey=$item;
1.41 www 284: }
285: }
286: &Apache::lonnet::del($file,[$delkey]);
287: }
288: # store new value
1.136 albertel 289: my $timestamp;
290: if ($freeze) {
291: $timestamp = "always_include";
292: } else {
293: $timestamp = time();
294: }
1.41 www 295: &Apache::lonnet::put($file,{ $name =>
1.136 albertel 296: $timestamp.'&'.&escape($value) });
1.41 www 297: }
298:
1.89 banghart 299: sub remove_recent {
300: my ($area,$names)=@_;
301: my $file=&recent_filename($area);
302: return &Apache::lonnet::del($file,$names);
303: }
304:
1.41 www 305: sub select_recent {
306: my ($area,$fieldname,$event)=@_;
307: my %recent=&Apache::lonnet::dump(&recent_filename($area));
308: my $return="\n<select name='$fieldname'".
1.96 albertel 309: ($event?" onchange='$event'":'').
1.41 www 310: ">\n<option value=''>--- ".&mt('Recent')." ---</option>";
1.136 albertel 311: foreach my $value (sort(keys(%recent))) {
312: unless ($value =~/^error\:/) {
313: my $escaped = &Apache::loncommon::escape_url($value);
1.160 albertel 314: &Apache::loncommon::inhibit_menu_check(\$escaped);
1.251 raeburn 315: if ($area eq 'residx') {
316: next if ((!&Apache::lonnet::allowed('bre',$value)) && (!&Apache::lonnet::allowed('bro',$value)));
317: }
1.94 foxr 318: $return.="\n<option value='$escaped'>".
1.136 albertel 319: &unescape((split(/\&/,$recent{$value}))[1]).
1.41 www 320: '</option>';
321: }
322: }
323: $return.="\n</select>\n";
324: return $return;
325: }
326:
1.97 albertel 327: sub get_recent {
328: my ($area, $n) = @_;
329: my %recent=&Apache::lonnet::dump(&recent_filename($area));
330:
331: # Create hash with key as time and recent as value
1.136 albertel 332: # Begin filling return_hash with any 'always_include' option
1.97 albertel 333: my %time_hash = ();
1.136 albertel 334: my %return_hash = ();
1.232 raeburn 335: foreach my $item (keys(%recent)) {
1.136 albertel 336: my ($thistime,$thisvalue)=(split(/\&/,$recent{$item}));
337: if ($thistime eq 'always_include') {
338: $return_hash{$item} = &unescape($thisvalue);
339: $n--;
340: } else {
341: $time_hash{$thistime} = $item;
1.133 albertel 342: }
1.97 albertel 343: }
344:
345: # Sort by decreasing time and return key value pairs
346: my $idx = 1;
1.136 albertel 347: foreach my $item (reverse(sort(keys(%time_hash)))) {
348: $return_hash{$time_hash{$item}} =
349: &unescape((split(/\&/,$recent{$time_hash{$item}}))[1]);
1.97 albertel 350: if ($n && ($idx++ >= $n)) {last;}
351: }
352:
353: return %return_hash;
354: }
355:
1.136 albertel 356: sub get_recent_frozen {
357: my ($area) = @_;
358: my %recent=&Apache::lonnet::dump(&recent_filename($area));
359:
360: # Create hash with all 'frozen' items
361: my %return_hash = ();
362: foreach my $item (keys(%recent)) {
363: my ($thistime,$thisvalue)=(split(/\&/,$recent{$item}));
364: if ($thistime eq 'always_include') {
365: $return_hash{$item} = &unescape($thisvalue);
366: }
367: }
368: return %return_hash;
369: }
370:
1.97 albertel 371:
1.41 www 372:
1.26 matthew 373: =pod
374:
1.309 raeburn 375: =item &textbox()
1.26 matthew 376:
377: =cut
378:
379: ##############################################
380: ##############################################
381: sub textbox {
382: my ($name,$value,$size,$special) = @_;
383: $size = 40 if (! defined($size));
1.128 albertel 384: $value = &HTML::Entities::encode($value,'<>&"');
1.26 matthew 385: my $Str = '<input type="text" name="'.$name.'" size="'.$size.'" '.
386: 'value="'.$value.'" '.$special.' />';
387: return $Str;
388: }
389:
390: ##############################################
391: ##############################################
392:
393: =pod
394:
1.309 raeburn 395: =item &checkbox()
1.26 matthew 396:
397: =cut
398:
399: ##############################################
400: ##############################################
401: sub checkbox {
1.68 matthew 402: my ($name,$checked,$value) = @_;
403: my $Str = '<input type="checkbox" name="'.$name.'" ';
404: if (defined($value)) {
405: $Str .= 'value="'.$value.'"';
406: }
407: if ($checked) {
1.206 bisitz 408: $Str .= ' checked="checked"';
1.68 matthew 409: }
410: $Str .= ' />';
1.26 matthew 411: return $Str;
412: }
413:
1.120 albertel 414:
415: =pod
416:
1.309 raeburn 417: =item &radiobutton()
1.120 albertel 418:
419: =cut
420:
421: ##############################################
422: ##############################################
423: sub radio {
424: my ($name,$checked,$value) = @_;
425: my $Str = '<input type="radio" name="'.$name.'" ';
426: if (defined($value)) {
427: $Str .= 'value="'.$value.'"';
428: }
429: if ($checked eq $value) {
1.206 bisitz 430: $Str .= ' checked="checked"';
1.120 albertel 431: }
432: $Str .= ' />';
433: return $Str;
434: }
435:
1.10 matthew 436: ##############################################
437: ##############################################
438:
439: =pod
440:
1.309 raeburn 441: =item &date_setter()
1.10 matthew 442:
1.22 matthew 443: &date_setter returns html and javascript for a compact date-setting form.
1.309 raeburn 444: To retrieve values from it, use &get_date_from_form.
1.22 matthew 445:
1.10 matthew 446: Inputs
447:
448: =over 4
449:
450: =item $dname
451:
452: The name to prepend to the form elements.
453: The form elements defined will be dname_year, dname_month, dname_day,
454: dname_hour, dname_min, and dname_sec.
455:
456: =item $currentvalue
457:
458: The current setting for this time parameter. A unix format time
459: (time in seconds since the beginning of Jan 1st, 1970, GMT.
1.257 faziophi 460: An undefined value is taken to indicate the value is the current time
461: unless it is requested to leave it empty. See $includeempty.
1.10 matthew 462: Also, to be explicit, a value of 'now' also indicates the current time.
463:
1.26 matthew 464: =item $special
465:
466: Additional html/javascript to be associated with each element in
467: the date_setter. See lonparmset for example usage.
468:
1.59 matthew 469: =item $includeempty
470:
1.257 faziophi 471: If it is set (true) and no date/time value is provided,
472: the date/time fields are left empty.
473:
1.59 matthew 474: =item $state
475:
476: Specifies the initial state of the form elements. Either 'disabled' or empty.
477: Defaults to empty, which indiciates the form elements are not disabled.
478:
1.22 matthew 479: =back
480:
481: Bugs
482:
483: The method used to restrict user input will fail in the year 2400.
484:
1.10 matthew 485: =cut
486:
487: ##############################################
488: ##############################################
489: sub date_setter {
1.67 matthew 490: my ($formname,$dname,$currentvalue,$special,$includeempty,$state,
1.134 raeburn 491: $no_hh_mm_ss,$defhour,$defmin,$defsec,$nolink) = @_;
1.175 raeburn 492: my $now = time;
1.257 faziophi 493:
494: my $tzname;
495: my ($sec,$min,$hour,$mday,$month,$year) = ('', '', undef,''.''.'');
496: #other potentially useful values: wkday,yrday,is_daylight_savings
497:
1.59 matthew 498: if (! defined($state) || $state ne 'disabled') {
499: $state = '';
500: }
1.67 matthew 501: if (! defined($no_hh_mm_ss)) {
502: $no_hh_mm_ss = 0;
503: }
1.110 www 504: if ($currentvalue eq 'now') {
1.257 faziophi 505: $currentvalue = $now;
1.110 www 506: }
1.257 faziophi 507:
508: # Default value: Set empty date field to current time
509: # unless empty inclusion is requested
510: if ((!$includeempty) && (!$currentvalue)) {
511: $currentvalue = $now;
1.10 matthew 512: }
1.257 faziophi 513: # Do we have a date? Split it!
1.39 www 514: if ($currentvalue) {
1.257 faziophi 515: ($tzname,$sec,$min,$hour,$mday,$month,$year) = &get_timedates($currentvalue);
516:
517: #No values provided for hour, min, sec? Use default 0
518: if (($defhour) || ($defmin) || ($defsec)) {
519: $sec = ($defsec ? $defsec : 0);
520: $min = ($defmin ? $defmin : 0);
521: $hour = ($defhour ? $defhour : 0);
522: }
1.107 www 523: }
1.10 matthew 524: my $result = "\n<!-- $dname date setting form -->\n";
525: $result .= <<ENDJS;
1.135 albertel 526: <script type="text/javascript">
1.218 bisitz 527: // <![CDATA[
1.10 matthew 528: function $dname\_checkday() {
529: var day = document.$formname.$dname\_day.value;
530: var month = document.$formname.$dname\_month.value;
531: var year = document.$formname.$dname\_year.value;
532: var valid = true;
533: if (day < 1) {
534: document.$formname.$dname\_day.value = 1;
535: }
536: if (day > 31) {
537: document.$formname.$dname\_day.value = 31;
538: }
539: if ((month == 1) || (month == 3) || (month == 5) ||
540: (month == 7) || (month == 8) || (month == 10) ||
541: (month == 12)) {
542: if (day > 31) {
543: document.$formname.$dname\_day.value = 31;
544: day = 31;
545: }
546: } else if (month == 2 ) {
547: if ((year % 4 == 0) && (year % 100 != 0)) {
548: if (day > 29) {
549: document.$formname.$dname\_day.value = 29;
550: }
551: } else if (day > 29) {
552: document.$formname.$dname\_day.value = 28;
553: }
554: } else if (day > 30) {
555: document.$formname.$dname\_day.value = 30;
556: }
557: }
1.95 matthew 558:
1.59 matthew 559: function $dname\_disable() {
560: document.$formname.$dname\_month.disabled=true;
561: document.$formname.$dname\_day.disabled=true;
562: document.$formname.$dname\_year.disabled=true;
563: document.$formname.$dname\_hour.disabled=true;
564: document.$formname.$dname\_minute.disabled=true;
565: document.$formname.$dname\_second.disabled=true;
566: }
567:
568: function $dname\_enable() {
569: document.$formname.$dname\_month.disabled=false;
570: document.$formname.$dname\_day.disabled=false;
571: document.$formname.$dname\_year.disabled=false;
572: document.$formname.$dname\_hour.disabled=false;
573: document.$formname.$dname\_minute.disabled=false;
574: document.$formname.$dname\_second.disabled=false;
575: }
576:
1.29 www 577: function $dname\_opencalendar() {
1.59 matthew 578: if (! document.$formname.$dname\_month.disabled) {
579: var calwin=window.open(
1.29 www 580: "/adm/announcements?pickdate=yes&formname=$formname&element=$dname&month="+
581: document.$formname.$dname\_month.value+"&year="+
582: document.$formname.$dname\_year.value,
583: "LONCAPAcal",
584: "height=350,width=350,scrollbars=yes,resizable=yes,menubar=no");
1.59 matthew 585: }
1.29 www 586:
587: }
1.218 bisitz 588: // ]]>
1.10 matthew 589: </script>
590: ENDJS
1.192 bisitz 591: $result .= ' <span class="LC_nobreak">';
1.96 albertel 592: my $monthselector = qq{<select name="$dname\_month" $special $state onchange="javascript:$dname\_checkday()" >};
1.67 matthew 593: # Month
1.10 matthew 594: my @Months = qw/January February March April May June
595: July August September October November December/;
596: # Pad @Months with a bogus value to make indexing easier
597: unshift(@Months,'If you can read this an error occurred');
1.95 matthew 598: if ($includeempty) { $monthselector.="<option value=''></option>"; }
1.10 matthew 599: for(my $m = 1;$m <=$#Months;$m++) {
1.228 bisitz 600: $monthselector .= qq{ <option value="$m"};
601: $monthselector .= ' selected="selected"' if ($m-1 eq $month);
602: $monthselector .= '> '.&mt($Months[$m]).' </option>'."\n";
1.10 matthew 603: }
1.95 matthew 604: $monthselector.= ' </select>';
1.67 matthew 605: # Day
1.96 albertel 606: my $dayselector = qq{<input type="text" name="$dname\_day" $state value="$mday" size="3" $special onchange="javascript:$dname\_checkday()" />};
1.67 matthew 607: # Year
1.226 bisitz 608: my $yearselector = qq{<input type="text" name="$dname\_year" $state value="$year" size="5" $special onchange="javascript:$dname\_checkday()" />};
1.95 matthew 609: #
610: my $hourselector = qq{<select name="$dname\_hour" $special $state >};
611: if ($includeempty) {
612: $hourselector.=qq{<option value=''></option>};
613: }
614: for (my $h = 0;$h<24;$h++) {
1.228 bisitz 615: $hourselector .= qq{<option value="$h"};
616: $hourselector .= ' selected="selected"' if (defined($hour) && $hour == $h);
1.95 matthew 617: $hourselector .= ">";
618: my $timest='';
619: if ($h == 0) {
620: $timest .= "12 am";
621: } elsif($h == 12) {
622: $timest .= "12 noon";
623: } elsif($h < 12) {
624: $timest .= "$h am";
625: } else {
626: $timest .= $h-12 ." pm";
627: }
628: $timest=&mt($timest);
629: $hourselector .= $timest." </option>\n";
630: }
631: $hourselector .= " </select>\n";
632: my $minuteselector = qq{<input type="text" name="$dname\_minute" $special $state value="$min" size="3" />};
633: my $secondselector= qq{<input type="text" name="$dname\_second" $special $state value="$sec" size="3" />};
1.134 raeburn 634: my $cal_link;
635: if (!$nolink) {
636: $cal_link = qq{<a href="javascript:$dname\_opencalendar()">};
637: }
1.95 matthew 638: #
1.175 raeburn 639: my $tzone = ' '.$tzname.' ';
1.95 matthew 640: if ($no_hh_mm_ss) {
1.134 raeburn 641: $result .= &mt('[_1] [_2] [_3] ',
1.174 raeburn 642: $monthselector,$dayselector,$yearselector).
643: $tzone;
1.134 raeburn 644: if (!$nolink) {
1.141 albertel 645: $result .= &mt('[_1]Select Date[_2]',$cal_link,'</a>');
1.134 raeburn 646: }
1.95 matthew 647: } else {
1.134 raeburn 648: $result .= &mt('[_1] [_2] [_3] [_4] [_5]m [_6]s ',
649: $monthselector,$dayselector,$yearselector,
1.174 raeburn 650: $hourselector,$minuteselector,$secondselector).
651: $tzone;
1.134 raeburn 652: if (!$nolink) {
1.141 albertel 653: $result .= &mt('[_1]Select Date[_2]',$cal_link,'</a>');
1.134 raeburn 654: }
1.67 matthew 655: }
1.135 albertel 656: $result .= "</span>\n<!-- end $dname date setting form -->\n";
1.10 matthew 657: return $result;
658: }
659:
1.175 raeburn 660: sub get_timedates {
661: my ($epoch) = @_;
662: my $dt = DateTime->from_epoch(epoch => $epoch)
663: ->set_time_zone(&Apache::lonlocal::gettimezone());
664: my $tzname = $dt->time_zone_short_name();
665: my $sec = $dt->second;
666: my $min = $dt->minute;
667: my $hour = $dt->hour;
668: my $mday = $dt->day;
669: my $month = $dt->month;
670: if ($month) {
671: $month --;
672: }
673: my $year = $dt->year;
674: return ($tzname,$sec,$min,$hour,$mday,$month,$year);
675: }
1.166 banghart 676:
677: sub build_url {
678: my ($base, $fields)=@_;
679: my $url;
680: $url = $base.'?';
1.168 albertel 681: foreach my $key (keys(%$fields)) {
682: $url.=&escape($key).'='.&escape($$fields{$key}).'&';
1.166 banghart 683: }
684: $url =~ s/&$//;
685: return $url;
686: }
687:
688:
1.10 matthew 689: ##############################################
690: ##############################################
691:
1.22 matthew 692: =pod
693:
1.309 raeburn 694: =item &get_date_from_form()
1.22 matthew 695:
696: get_date_from_form retrieves the date specified in an &date_setter form.
1.10 matthew 697:
698: Inputs:
699:
700: =over 4
701:
702: =item $dname
703:
1.226 bisitz 704: The name passed to &date_setter, which prefixes the form elements.
1.10 matthew 705:
706: =item $defaulttime
707:
708: The unix time to use as the default in case of poor inputs.
709:
710: =back
711:
712: Returns: Unix time represented in the form.
713:
714: =cut
715:
716: ##############################################
717: ##############################################
718: sub get_date_from_form {
719: my ($dname) = @_;
720: my ($sec,$min,$hour,$day,$month,$year);
721: #
1.104 albertel 722: if (defined($env{'form.'.$dname.'_second'})) {
723: my $tmpsec = $env{'form.'.$dname.'_second'};
1.10 matthew 724: if (($tmpsec =~ /^\d+$/) && ($tmpsec >= 0) && ($tmpsec < 60)) {
725: $sec = $tmpsec;
726: }
1.64 albertel 727: if (!defined($tmpsec) || $tmpsec eq '') { $sec = 0; }
1.67 matthew 728: } else {
729: $sec = 0;
1.10 matthew 730: }
1.104 albertel 731: if (defined($env{'form.'.$dname.'_minute'})) {
732: my $tmpmin = $env{'form.'.$dname.'_minute'};
1.10 matthew 733: if (($tmpmin =~ /^\d+$/) && ($tmpmin >= 0) && ($tmpmin < 60)) {
734: $min = $tmpmin;
735: }
1.64 albertel 736: if (!defined($tmpmin) || $tmpmin eq '') { $min = 0; }
1.67 matthew 737: } else {
738: $min = 0;
1.10 matthew 739: }
1.104 albertel 740: if (defined($env{'form.'.$dname.'_hour'})) {
741: my $tmphour = $env{'form.'.$dname.'_hour'};
1.33 matthew 742: if (($tmphour =~ /^\d+$/) && ($tmphour >= 0) && ($tmphour < 24)) {
1.10 matthew 743: $hour = $tmphour;
744: }
1.67 matthew 745: } else {
746: $hour = 0;
1.10 matthew 747: }
1.104 albertel 748: if (defined($env{'form.'.$dname.'_day'})) {
749: my $tmpday = $env{'form.'.$dname.'_day'};
1.10 matthew 750: if (($tmpday =~ /^\d+$/) && ($tmpday > 0) && ($tmpday < 32)) {
751: $day = $tmpday;
752: }
753: }
1.104 albertel 754: if (defined($env{'form.'.$dname.'_month'})) {
755: my $tmpmonth = $env{'form.'.$dname.'_month'};
1.10 matthew 756: if (($tmpmonth =~ /^\d+$/) && ($tmpmonth > 0) && ($tmpmonth < 13)) {
1.175 raeburn 757: $month = $tmpmonth;
1.10 matthew 758: }
759: }
1.104 albertel 760: if (defined($env{'form.'.$dname.'_year'})) {
761: my $tmpyear = $env{'form.'.$dname.'_year'};
1.175 raeburn 762: if (($tmpyear =~ /^\d+$/) && ($tmpyear >= 1970)) {
763: $year = $tmpyear;
1.10 matthew 764: }
765: }
1.175 raeburn 766: if (($year<1970) || ($year>2037)) { return undef; }
1.33 matthew 767: if (defined($sec) && defined($min) && defined($hour) &&
1.175 raeburn 768: defined($day) && defined($month) && defined($year)) {
769: my $timezone = &Apache::lonlocal::gettimezone();
770: my $dt = DateTime->new( year => $year,
771: month => $month,
772: day => $day,
773: hour => $hour,
774: minute => $min,
775: second => $sec,
776: time_zone => $timezone,
777: );
778: my $epoch_time = $dt->epoch;
779: if ($epoch_time ne '') {
780: return $epoch_time;
781: } else {
782: return undef;
783: }
1.10 matthew 784: } else {
785: return undef;
786: }
1.20 matthew 787: }
788:
789: ##############################################
790: ##############################################
791:
792: =pod
793:
794: =item &pjump_javascript_definition()
795:
796: Returns javascript defining the 'pjump' function, which opens up a
797: parameter setting wizard.
798:
799: =cut
800:
801: ##############################################
802: ##############################################
803: sub pjump_javascript_definition {
804: my $Str = <<END;
1.109 www 805: function pjump(type,dis,value,marker,ret,call,hour,min,sec) {
1.295 www 806: openMyModal("/adm/rat/parameter.html?type="+escape(type)
1.20 matthew 807: +"&value="+escape(value)+"&marker="+escape(marker)
808: +"&return="+escape(ret)
1.109 www 809: +"&call="+escape(call)+"&name="+escape(dis)
810: +"&defhour="+escape(hour)+"&defmin="+escape(min)
1.295 www 811: +"&defsec="+escape(sec)+"&modal=1",350,350,'no');
1.20 matthew 812: }
813: END
814: return $Str;
1.10 matthew 815: }
816:
817: ##############################################
818: ##############################################
1.17 matthew 819:
820: =pod
821:
822: =item &javascript_nothing()
823:
824: Return an appropriate null for the users browser. This is used
825: as the first arguement for window.open calls when you want a blank
826: window that you can then write to.
827:
828: =cut
829:
830: ##############################################
831: ##############################################
832: sub javascript_nothing {
833: # mozilla and other browsers work with "''", but IE on mac does not.
834: my $nothing = "''";
835: my $user_browser;
836: my $user_os;
1.104 albertel 837: $user_browser = $env{'browser.type'} if (exists($env{'browser.type'}));
838: $user_os = $env{'browser.os'} if (exists($env{'browser.os'}));
1.17 matthew 839: if (! defined($user_browser) || ! defined($user_os)) {
840: (undef,$user_browser,undef,undef,undef,$user_os) =
841: &Apache::loncommon::decode_user_agent();
842: }
843: if ($user_browser eq 'explorer' && $user_os =~ 'mac') {
844: $nothing = "'javascript:void(0);'";
845: }
846: return $nothing;
847: }
848:
1.90 www 849: ##############################################
850: ##############################################
851: sub javascript_docopen {
1.171 albertel 852: my ($mimetype) = @_;
853: $mimetype ||= 'text/html';
1.90 www 854: # safari does not understand document.open() and loads "text/html"
855: my $nothing = "''";
856: my $user_browser;
857: my $user_os;
1.104 albertel 858: $user_browser = $env{'browser.type'} if (exists($env{'browser.type'}));
859: $user_os = $env{'browser.os'} if (exists($env{'browser.os'}));
1.90 www 860: if (! defined($user_browser) || ! defined($user_os)) {
861: (undef,$user_browser,undef,undef,undef,$user_os) =
862: &Apache::loncommon::decode_user_agent();
863: }
864: if ($user_browser eq 'safari' && $user_os =~ 'mac') {
865: $nothing = "document.clear()";
866: } else {
1.171 albertel 867: $nothing = "document.open('$mimetype','replace')";
1.90 www 868: }
869: return $nothing;
870: }
871:
1.21 matthew 872:
1.17 matthew 873: ##############################################
874: ##############################################
875:
1.21 matthew 876: =pod
1.17 matthew 877:
1.21 matthew 878: =item &StatusOptions()
1.10 matthew 879:
1.21 matthew 880: Returns html for a selection box which allows the user to choose the
881: enrollment status of students. The selection box name is 'Status'.
1.6 stredwic 882:
1.21 matthew 883: Inputs:
1.6 stredwic 884:
1.21 matthew 885: $status: the currently selected status. If undefined the value of
1.104 albertel 886: $env{'form.Status'} is taken. If that is undefined, a value of 'Active'
1.21 matthew 887: is used.
1.6 stredwic 888:
1.21 matthew 889: $formname: The name of the form. If defined the onchange attribute of
890: the selection box is set to document.$formname.submit().
1.6 stredwic 891:
1.21 matthew 892: $size: the size (number of lines) of the selection box.
1.6 stredwic 893:
1.27 matthew 894: $onchange: javascript to use when the value is changed. Enclosed in
895: double quotes, ""s, not single quotes.
896:
1.21 matthew 897: Returns: a perl string as described.
1.1 stredwic 898:
1.21 matthew 899: =cut
1.9 stredwic 900:
1.21 matthew 901: ##############################################
902: ##############################################
903: sub StatusOptions {
1.165 banghart 904: my ($status, $formName,$size,$onchange,$mult)=@_;
1.21 matthew 905: $size = 1 if (!defined($size));
906: if (! defined($status)) {
907: $status = 'Active';
1.104 albertel 908: $status = $env{'form.Status'} if (exists($env{'form.Status'}));
1.9 stredwic 909: }
1.1 stredwic 910:
911: my $Str = '';
912: $Str .= '<select name="Status"';
1.165 banghart 913: if (defined($mult)){
914: $Str .= ' multiple="multiple" ';
915: }
1.27 matthew 916: if(defined($formName) && $formName ne '' && ! defined($onchange)) {
1.1 stredwic 917: $Str .= ' onchange="document.'.$formName.'.submit()"';
1.27 matthew 918: }
919: if (defined($onchange)) {
920: $Str .= ' onchange="'.$onchange.'"';
1.1 stredwic 921: }
1.21 matthew 922: $Str .= ' size="'.$size.'" ';
1.1 stredwic 923: $Str .= '>'."\n";
1.153 raeburn 924: foreach my $type (['Active', &mt('Currently Has Access')],
925: ['Future', &mt('Will Have Future Access')],
926: ['Expired', &mt('Previously Had Access')],
927: ['Any', &mt('Any Access Status')]) {
1.151 albertel 928: my ($name,$label) = @$type;
929: $Str .= '<option value="'.$name.'" ';
930: if ($status eq $name) {
931: $Str .= 'selected="selected" ';
932: }
933: $Str .= '>'.$label.'</option>'."\n";
934: }
935:
1.1 stredwic 936: $Str .= '</select>'."\n";
1.7 stredwic 937: }
1.12 matthew 938:
939: ########################################################
940: ########################################################
1.7 stredwic 941:
1.23 matthew 942: =pod
943:
944: =item Progess Window Handling Routines
945:
946: These routines handle the creation, update, increment, and closure of
947: progress windows. The progress window reports to the user the number
948: of items completed and an estimate of the time required to complete the rest.
949:
950: =over 4
951:
952:
1.309 raeburn 953: =item &Create_PrgWin()
1.23 matthew 954:
955: Writes javascript to the client to open a progress window and returns a
956: data structure used for bookkeeping.
957:
958: Inputs
959:
960: =over 4
961:
962: =item $r Apache request
963:
964: =item $number_to_do The total number of items being processed.
1.50 albertel 965:
1.23 matthew 966: =back
967:
968: Returns a hash containing the progress state data structure.
969:
970:
1.309 raeburn 971: =item &Update_PrgWin()
1.23 matthew 972:
973: Updates the text in the progress indicator. Does not increment the count.
974: See &Increment_PrgWin.
975:
976: Inputs:
977:
978: =over 4
979:
980: =item $r Apache request
981:
982: =item $prog_state Pointer to the data structure returned by &Create_PrgWin
983:
984: =item $displaystring The string to write to the status indicator
985:
986: =back
987:
988: Returns: none
989:
990:
1.309 raeburn 991: =item Increment_PrgWin()
1.23 matthew 992:
1.276 bisitz 993: Increment the count of items completed for the progress window by $step or 1 if no step is provided.
1.23 matthew 994:
995: Inputs:
996:
997: =over 4
998:
999: =item $r Apache request
1000:
1001: =item $prog_state Pointer to the data structure returned by Create_PrgWin
1002:
1003: =item $extraInfo A description of the items being iterated over. Typically
1004: 'student'.
1005:
1.279 bisitz 1006: =item $step (optional) counter step. Will be set to default 1 if ommited. step must be greater than 0 or empty.
1.276 bisitz 1007:
1.23 matthew 1008: =back
1009:
1010: Returns: none
1011:
1012:
1.309 raeburn 1013: =item &Close_PrgWin()
1.23 matthew 1014:
1015: Closes the progress window.
1016:
1017: Inputs:
1018:
1019: =over 4
1020:
1021: =item $r Apache request
1022:
1023: =item $prog_state Pointer to the data structure returned by Create_PrgWin
1024:
1025: =back
1026:
1027: Returns: none
1028:
1029: =back
1030:
1031: =cut
1032:
1033: ########################################################
1034: ########################################################
1035:
1.51 albertel 1036:
1.7 stredwic 1037: # Create progress
1038: sub Create_PrgWin {
1.297 www 1039: my ($r,$number_to_do)=@_;
1.49 albertel 1040: my %prog_state;
1.16 albertel 1041: $prog_state{'done'}=0;
1.23 matthew 1042: $prog_state{'firststart'}=&Time::HiRes::time();
1043: $prog_state{'laststart'}=&Time::HiRes::time();
1.16 albertel 1044: $prog_state{'max'}=$number_to_do;
1.297 www 1045: &Apache::loncommon::LCprogressbar($r);
1.14 albertel 1046: return %prog_state;
1.7 stredwic 1047: }
1048:
1049: # update progress
1050: sub Update_PrgWin {
1.14 albertel 1051: my ($r,$prog_state,$displayString)=@_;
1.297 www 1052: &Apache::loncommon::LCprogressbarUpdate($r,undef,$displayString);
1.23 matthew 1053: $$prog_state{'laststart'}=&Time::HiRes::time();
1.14 albertel 1054: }
1055:
1056: # increment progress state
1057: sub Increment_PrgWin {
1.275 bisitz 1058: my ($r,$prog_state,$extraInfo,$step)=@_;
1.279 bisitz 1059: $step = $step > 0 ? $step : 1;
1.275 bisitz 1060: $$prog_state{'done'} += $step;
1061:
1062: # Catch (max modulo step) <> 0
1063: my $current = $$prog_state{'done'};
1064: my $last = ($$prog_state{'max'} - $current);
1065: if ($last <= 0) {
1066: $last = 1;
1067: $current = $$prog_state{'max'};
1068: }
1069:
1.23 matthew 1070: my $time_est= (&Time::HiRes::time() - $$prog_state{'firststart'})/
1.275 bisitz 1071: $current * $last;
1.16 albertel 1072: $time_est = int($time_est);
1.80 matthew 1073: #
1074: my $min = int($time_est/60);
1075: my $sec = $time_est % 60;
1.278 bisitz 1076:
1.23 matthew 1077: my $lasttime = &Time::HiRes::time()-$$prog_state{'laststart'};
1078: if ($lasttime > 9) {
1079: $lasttime = int($lasttime);
1080: } elsif ($lasttime < 0.01) {
1081: $lasttime = 0;
1082: } else {
1083: $lasttime = sprintf("%3.2f",$lasttime);
1084: }
1.278 bisitz 1085:
1086: $sec = 0 if ($min >= 10); # Don't show seconds if remaining time >= 10 min.
1087: $sec = 1 if ( ($min == 0) && ($sec == 0) ); # Little cheating: pretend to have 1 second remaining instead of 0 to have something to display
1088:
1089: my $timeinfo =
1090: &mt('[_1]/[_2]:'
1091: .' [quant,_3,minute,minutes,] [quant,_4,second ,seconds ,]remaining'
1092: .' ([quant,_5,second] for '.$extraInfo.')',
1093: $current,
1094: $$prog_state{'max'},
1095: $min,
1096: $sec,
1097: $lasttime);
1.297 www 1098: my $percent=0;
1099: if ($$prog_state{'max'}) {
1100: $percent=int(100.*$current/$$prog_state{'max'});
1101: }
1102: &Apache::loncommon::LCprogressbarUpdate($r,$percent,$timeinfo);
1.23 matthew 1103: $$prog_state{'laststart'}=&Time::HiRes::time();
1.7 stredwic 1104: }
1105:
1106: # close Progress Line
1107: sub Close_PrgWin {
1.14 albertel 1108: my ($r,$prog_state)=@_;
1.297 www 1109: &Apache::loncommon::LCprogressbarClose($r);
1.48 albertel 1110: undef(%$prog_state);
1111: }
1112:
1.326 foxr 1113:
1.34 www 1114: # ------------------------------------------------------- Puts directory header
1115:
1116: sub crumbs {
1.252 bisitz 1117: my ($uri,$target,$prefix,$form,$skiplast)=@_;
1.303 www 1118: # You cannot crumbnify uploaded or adm resources
1119: if ($uri=~/^\/*(uploaded|adm)\//) { return &mt('(Internal Course/Group Content)'); }
1.100 raeburn 1120: if ($target) {
1121: $target = ' target="'.
1122: &Apache::loncommon::escape_single($target).'"';
1123: }
1.252 bisitz 1124: my $output='<span class="LC_filename">';
1125: $output.=$prefix.'/';
1.249 raeburn 1126: if (($env{'user.adv'}) || ($env{'user.author'})) {
1.252 bisitz 1127: my $path=$prefix.'/';
1128: foreach my $dir (split('/',$uri)) {
1.99 matthew 1129: if (! $dir) { next; }
1130: $path .= $dir;
1.252 bisitz 1131: if ($path eq $uri) {
1132: if ($skiplast) {
1133: $output.=$dir;
1.132 www 1134: last;
1.252 bisitz 1135: }
1136: } else {
1137: $path.='/';
1138: }
1.157 albertel 1139: my $href_path = &HTML::Entities::encode($path,'<>&"');
1.252 bisitz 1140: &Apache::loncommon::inhibit_menu_check(\$href_path);
1141: if ($form) {
1142: my $href = 'javascript:'.$form.".action='".$href_path."';".$form.'.submit();';
1143: $output.=qq{<a href="$href"$target>$dir</a>/};
1144: } else {
1145: $output.=qq{<a href="$href_path"$target>$dir</a>/};
1146: }
1147: }
1.35 www 1148: } else {
1.252 bisitz 1149: foreach my $dir (split('/',$uri)) {
1.149 albertel 1150: if (! $dir) { next; }
1.252 bisitz 1151: $output.=$dir.'/';
1152: }
1.34 www 1153: }
1.149 albertel 1154: if ($uri !~ m|/$|) { $output=~s|/$||; }
1.252 bisitz 1155: $output.='</span>';
1156:
1.304 foxr 1157:
1.252 bisitz 1158: return $output;
1.34 www 1159: }
1160:
1.85 www 1161: # --------------------- A function that generates a window for the spellchecker
1162:
1163: sub spellheader {
1.123 albertel 1164: my $start_page=
1165: &Apache::loncommon::start_page('Speller Suggestions',undef,
1.140 albertel 1166: {'only_body' => 1,
1167: 'js_ready' => 1,
1168: 'bgcolor' => '#DDDDDD',
1169: 'add_entries' => {
1170: 'onload' =>
1171: 'document.forms.spellcheckform.submit()',
1172: }
1173: });
1.123 albertel 1174: my $end_page=
1175: &Apache::loncommon::end_page({'js_ready' => 1});
1176:
1.105 www 1177: my $nothing=&javascript_nothing();
1.85 www 1178: return (<<ENDCHECK);
1179: <script type="text/javascript">
1.218 bisitz 1180: // <![CDATA[
1.92 albertel 1181: //<!-- BEGIN LON-CAPA Internal
1.85 www 1182: var checkwin;
1183:
1.140 albertel 1184: function spellcheckerwindow(string) {
1185: var esc_string = string.replace(/\"/g,'"');
1.105 www 1186: checkwin=window.open($nothing,'spellcheckwin','height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
1.154 albertel 1187: 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 1188: checkwin.document.close();
1189: }
1.92 albertel 1190: // END LON-CAPA Internal -->
1.218 bisitz 1191: // ]]>
1.85 www 1192: </script>
1193: ENDCHECK
1194: }
1195:
1196: # ---------------------------------- Generate link to spell checker for a field
1197:
1198: sub spelllink {
1199: my ($form,$field)=@_;
1200: my $linktext=&mt('Check Spelling');
1201: return (<<ENDLINK);
1.140 albertel 1202: <a href="javascript:if (typeof(document.$form.onsubmit)!='undefined') { if (document.$form.onsubmit!=null) { document.$form.onsubmit();}};spellcheckerwindow(this.document.forms.$form.$field.value);">$linktext</a>
1.85 www 1203: ENDLINK
1204: }
1205:
1.281 raeburn 1206: # ------------------------------------------------- Output headers for CKEditor
1.124 albertel 1207:
1.52 www 1208: sub htmlareaheaders {
1.255 faziophi 1209: my $s="";
1.260 faziophi 1210: if (&htmlareabrowser()) {
1.255 faziophi 1211: $s.=(<<ENDEDITOR);
1212: <script type="text/javascript" src="/ckeditor/ckeditor.js"></script>
1213: ENDEDITOR
1214: }
1215: $s.=(<<ENDJQUERY);
1.294 raeburn 1216: <script type="text/javascript" src="/adm/jQuery/js/jquery-1.6.2.min.js"></script>
1217: <script type="text/javascript" src="/adm/jQuery/js/jquery-ui-1.8.16.custom.min.js"></script>
1218: <link rel="stylesheet" type="text/css" href="/adm/jQuery/css/smoothness/jquery-ui-1.8.16.custom.css" />
1.301 foxr 1219: <script type="text/javascript" src="/adm/jpicker/js/jpicker-1.1.6.min.js" >
1220: </script>
1221: <link rel="stylesheet" type="text/css" href="/adm/jpicker/css/jPicker-1.1.6.min.css" />
1.310 raeburn 1222: <script type="text/javascript" src="/adm/countdown/js/jquery.countdown.js"></script>
1223: <link rel="stylesheet" type="text/css" href="/adm/countdown/css/jquery.countdown.css" />
1.320 foxr 1224:
1.323 foxr 1225: <script type="text/javascript" src="/adm/spellchecker/js/jquery.spellchecker.min.js"></script>
1.320 foxr 1226: <link rel="stylesheet" type="text/css" href="/adm/spellchecker/css/spellchecker.css" />
1227:
1.255 faziophi 1228: ENDJQUERY
1229: return $s;
1.52 www 1230: }
1231:
1.76 www 1232: # ----------------------------------------------------------------- Preferences
1233:
1.167 albertel 1234: # ------------------------------------------------- lang to use in html editor
1235: sub htmlarea_lang {
1236: my $lang='en';
1237: if (&mt('htmlarea_lang') ne 'htmlarea_lang') {
1238: $lang=&mt('htmlarea_lang');
1239: }
1240: return $lang;
1241: }
1242:
1.326 foxr 1243: # return javacsript to activate elements of .colorchooser with jpicker:
1244: # Caller is responsible for enclosing this in <script> tags:
1245: #
1246: sub color_picker {
1247: return '
1248: $(document).ready(function(){
1249: $.fn.jPicker.defaults.images.clientPath="/adm/jpicker/images/";
1250: $(".colorchooser").jPicker({window: { position: {x: "screenCenter", y: "bottom"}}});
1251: });';
1252: }
1253:
1.72 www 1254: # ----------------------------------------- Script to activate only some fields
1255:
1256: sub htmlareaselectactive {
1.281 raeburn 1257: my ($args) = @_;
1.76 www 1258: unless (&htmlareabrowser()) { return ''; }
1.262 raeburn 1259: my $output='<script type="text/javascript" defer="defer">'."\n"
1.230 bisitz 1260: .'// <![CDATA['."\n";
1.167 albertel 1261: my $lang = &htmlarea_lang();
1.281 raeburn 1262: my $fullpage = 'false';
1.282 raeburn 1263: my ($dragmath_prefix,$dragmath_helpicon,$dragmath_whitespace);
1.281 raeburn 1264: if (ref($args) eq 'HASH') {
1265: if (exists($args->{'lang'})) {
1266: if ($args->{'lang'} ne '') {
1267: $lang = $args->{'lang'};
1268: }
1269: }
1270: if (exists($args->{'fullpage'})) {
1271: if ($args->{'fullpage'} eq 'true') {
1272: $fullpage = $args->{'fullpage'};
1273: }
1274: }
1275: if (exists($args->{'dragmath'})) {
1276: if ($args->{'dragmath'} ne '') {
1277: $dragmath_prefix = $args->{'dragmath'};
1.282 raeburn 1278: $dragmath_helpicon=&Apache::loncommon::lonhttpdurl("/adm/help/help.png");
1279: $dragmath_whitespace=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/transparent1x1.gif");
1.281 raeburn 1280: }
1281: }
1282: }
1.255 faziophi 1283: $output.='
1284:
1285: function containsBlockHtml(id) {
1.281 raeburn 1286: var re = $("#"+id).html().search(/(?:\<\;|\<)(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)[\s]*((?:[\/]*[\s]*(?:\>\;|\>)|(?:\>\;|\>)[\s\S]*(?:\<\;|\<)\/[\s]*\1[\s]*\(?:\>\;|\>))/im);
1.255 faziophi 1287: return (re >= 0);
1288: }
1289:
1290: function startRichEditor(id) {
1291: CKEDITOR.replace(id,
1292: {
1.281 raeburn 1293: customConfig: "/ckeditor/loncapaconfig.js",
1294: language : "'.$lang.'",
1295: fullPage : '.$fullpage.',
1.255 faziophi 1296: }
1297: );
1298: }
1299:
1300: function destroyRichEditor(id) {
1301: CKEDITOR.instances[id].destroy();
1.72 www 1302: }
1.255 faziophi 1303:
1304: function editorHandler(event) {
1305: var rawid = $(this).attr("id");
1.281 raeburn 1306: var id = new RegExp("LC_rt_(.*)").exec(rawid)[1];
1.255 faziophi 1307: event.preventDefault();
1.281 raeburn 1308: var rt_enabled = $(this).hasClass("LC_enable_rt");
1309: if (rt_enabled) {
1.255 faziophi 1310: startRichEditor(id);
1311: $("#LC_rt_"+id).html("<b>« Plain text</b>");
1312: $("#LC_rt_"+id).attr("title", "Disable rich text formatting and edit in plain text");
1313: $("#LC_rt_"+id).addClass("LC_disable_rt");
1314: $("#LC_rt_"+id).removeClass("LC_enable_rt");
1315: } else {
1316: destroyRichEditor(id);
1317: $("#LC_rt_"+id).html("<b>Rich formatting »</b>");
1318: $("#LC_rt_"+id).attr("title", "Enable rich text formatting (bold, italic, etc.)");
1319: $("#LC_rt_"+id).addClass("LC_enable_rt");
1320: $("#LC_rt_"+id).removeClass("LC_disable_rt");
1.281 raeburn 1321: }';
1322: if ($dragmath_prefix ne '') {
1323: $output .= "\n var visible = '';
1324: if (rt_enabled) {
1325: visible = 'none';
1326: }
1327: editmath_visibility(id,visible);\n";
1328: }
1329: $output .= '
1330: }
1.255 faziophi 1331: $(document).ready(function(){
1332: $(".LC_richAlwaysOn").each(function() {
1333: startRichEditor($(this).attr("id"));
1334: });
1335: $(".LC_richDetectHtml").each(function() {
1336: var id = $(this).attr("id");
1.281 raeburn 1337: var rt_enabled = containsBlockHtml(id);
1338: if(rt_enabled) {
1.255 faziophi 1339: $(this).before("<div><a href=\"#\" id=\"LC_rt_"+id+"\" title=\"Disable rich text formatting and edit in plain text\" class=\"LC_disable_rt\"><b>« Plain text</b></a></div>");
1340: startRichEditor(id);
1.281 raeburn 1341: $("#LC_rt_"+id).click(editorHandler);
1.255 faziophi 1342: }
1343: else {
1344: $(this).before("<div><a href=\"#\" id=\"LC_rt_"+id+"\" title=\"Enable rich text formatting (bold, italic, etc.)\" class=\"LC_enable_rt\"><b>Rich formatting »</b></a></div>");
1345: $("#LC_rt_"+id).click(editorHandler);
1.281 raeburn 1346: }';
1347: if ($dragmath_prefix ne '') {
1348: $output .= "\n var visible = '';
1349: if (rt_enabled) {
1350: visible = 'none';
1351: }
1352: editmath_visibility(id,visible);\n";
1353: }
1354: $output .= '
1.255 faziophi 1355: });
1356: $(".LC_richDefaultOn").each(function() {
1357: var id = $(this).attr("id");
1358: $(this).before("<div><a href=\"#\" id=\"LC_rt_"+id+"\" title=\"Disable rich text formatting and edit in plain text\" class=\"LC_disable_rt\"><b>« Plain text</b></a></div>");
1359: startRichEditor(id);
1360: $("#LC_rt_"+id).click(editorHandler);
1361: });
1362: $(".LC_richDefaultOff").each(function() {
1363: var id = $(this).attr("id");
1364: $(this).before("<div><a href=\"#\" id=\"LC_rt_"+id+"\" title=\"Enable rich text formatting (bold, italic, etc.)\" class=\"LC_enable_rt\"><b>Rich formatting »</b></a></div>");
1.281 raeburn 1365: $("#LC_rt_"+id).click(editorHandler);
1.255 faziophi 1366: });
1.301 foxr 1367:
1.304 foxr 1368:
1.302 foxr 1369: });
1.281 raeburn 1370: ';
1.326 foxr 1371: $output .= &color_picker;
1372:
1.306 foxr 1373: # Code to put a due date countdown in 'duedatecountdown' span.
1374: # This is currently located in the breadcrumb headers.
1375: # note that the dueDateLayout is internatinoalized below.
1376: # Here document is used to support the substitution into the javascript below.
1.307 foxr 1377: # ..which unforunately necessitates escaping the $'s in the javascript.
1378: # There are several times of importance
1379: #
1380: # serverDueDate - The absolute time at which the problem expires.
1381: # serverTime - The server's time when the problem finished computing.
1382: # clientTime - The client's time...as close to serverTime as possible.
1383: # The clientTime will be slightly later due to
1384: # 1. The latency between problem computation and
1385: # the first network action.
1386: # 2. The time required between the page load-start and the actual
1387: # initial javascript execution that got clientTime.
1388: # These are used as follows:
1389: # The difference between clientTime and serverTime are used to
1390: # correct for differences in clock settings between the browser's system and the
1391: # server's.
1392: #
1393: # The difference between clientTime and the time at which the ready() method
1394: # starts executing is used to estimate latencies for page load and submission.
1395: # Since this is an estimate, it is doubled. The latency estimate + one minute
1396: # is used to determine when the countdown timer turns red to warn the user
1397: # to think about submitting.
1.306 foxr 1398:
1.314 raeburn 1399: my $dueDateLayout = &mt('Due in: {dn} {dl} {hnn}{sep}{mnn}{sep}{snn} [_1]',"<span id='submitearly'></span>");
1400: my $early = '- <b>'.&mt('Submit Early').'</b>';
1401: my $pastdue = '- <b>'.&mt('Past Due').'</b>';
1.306 foxr 1402: $output .= <<JAVASCRIPT;
1.307 foxr 1403:
1404: var documentReadyTime;
1405:
1.306 foxr 1406: \$(document).ready(function() {
1407: if (typeof(dueDate) != "undefined") {
1.307 foxr 1408: documentReadyTime = (new Date()).getTime();
1.306 foxr 1409: \$("#duedatecountdown").countdown({until: dueDate, compact: true,
1410: layout: "$dueDateLayout",
1411: onTick: function (periods) {
1.307 foxr 1412: var latencyEstimate = (documentReadyTime - clientTime) * 2;
1.314 raeburn 1413: if(\$.countdown.periodsToSeconds(periods) < (300 + latencyEstimate)) {
1414: \$("#submitearly").html("$early");
1415: if (\$.countdown.periodsToSeconds(periods) < 1) {
1416: \$("#submitearly").html("$pastdue");
1417: }
1418: }
1.307 foxr 1419: if(\$.countdown.periodsToSeconds(periods) < (60 + latencyEstimate)) {
1.306 foxr 1420: \$(this).css("color", "red"); //Highlight last minute.
1421: }
1422: }
1423: });
1424: }
1425: });
1.322 foxr 1426:
1427: /* This code describes the spellcheck options that will be used for
1428: items with class 'spellchecked'. It is necessary for those objects'
1429: to explicitly request checking (e.g. onblur is a nice event for that).
1430: */
1431: \$(document).ready(function() {
1432: \$(".spellchecked").spellchecker({
1433: url: "/ajax/spellcheck",
1434: lang: "en",
1435: engine: "pspell",
1436: suggestionBoxPosition: "below",
1437: innerDocument: true
1438: });
1439: \$("textarea.spellchecked").spellchecker({
1440: url: "/ajax/spellcheck",
1441: lang: "en",
1442: engine: "pspell",
1443: suggestionBoxPosition: "below",
1444: innerDocument: true
1445: });
1446:
1447: });
1448:
1.325 foxr 1449: /* the muli colored editor can generate spellcheck with language 'none'
1450: to disable spellcheck as well
1451: */
1.324 foxr 1452: function doSpellcheck(element, lang) {
1.325 foxr 1453: if (lang != 'none') {
1454: \$(element).spellchecker('option', {lang: lang});
1455: \$(element).spellchecker('check');
1456: }
1.324 foxr 1457: }
1458:
1.322 foxr 1459:
1.306 foxr 1460: JAVASCRIPT
1.281 raeburn 1461: if ($dragmath_prefix ne '') {
1462: $output .= '
1463:
1464: function editmath_visibility(id,value) {
1465:
1466: if ((id == "") || (id == null)) {
1467: return;
1468: }
1469: var mathid = "'.$dragmath_prefix.'_"+id;
1470: mathele = document.getElementById(mathid);
1471: if (mathele == null) {
1472: return;
1473: }
1474: mathele.style.display = value;
1.282 raeburn 1475: var mathhelpicon = "'.$dragmath_prefix.'helpicon'.'_"+id;
1476: mathhelpiconele = document.getElementById(mathhelpicon);
1477: if (mathhelpiconele == null) {
1478: return;
1479: }
1480: if (value == "none") {
1481: mathhelpiconele.src = "'.$dragmath_whitespace.'";
1482: } else {
1483: mathhelpiconele.src = "'.$dragmath_helpicon.'";
1484: }
1.281 raeburn 1485: }
1486: ';
1487:
1488: }
1.218 bisitz 1489: $output.="\nwindow.status='Activated Editfields';\n"
1.230 bisitz 1490: .'// ]]>'."\n"
1.281 raeburn 1491: .'</script>';
1.72 www 1492: return $output;
1493: }
1494:
1.61 www 1495: # --------------------------------------------------------------------- Blocked
1496:
1497: sub htmlareablocked {
1.104 albertel 1498: unless ($env{'environment.wysiwygeditor'} eq 'on') { return 1; }
1.71 www 1499: return 0;
1.52 www 1500: }
1501:
1502: # ---------------------------------------- Browser capable of running HTMLArea?
1503:
1504: sub htmlareabrowser {
1505: return 1;
1506: }
1.53 matthew 1507:
1.287 www 1508: #
1509: # Should the "return to content" link be shown?
1510: #
1511:
1512: sub show_return_link {
1.289 www 1513:
1514: unless ($env{'request.course.id'}) { return 0; }
1515: if ($env{'request.noversionuri'}=~m{^/priv/} ||
1.318 raeburn 1516: $env{'request.uri'}=~m{^/priv/}) { return 1; }
1.332 raeburn 1517: return if ($env{'request.noversionuri'} eq '/adm/supplemental');
1.289 www 1518:
1.287 www 1519: if (($env{'request.noversionuri'} =~ m{^/adm/(viewclasslist|navmaps)($|\?)})
1520: || ($env{'request.noversionuri'} =~ m{^/adm/.*/aboutme($|\?)})) {
1521:
1522: return if ($env{'form.register'});
1523: }
1524: return (($env{'request.noversionuri'}=~m{^/(res|public)/} &&
1525: $env{'request.symb'} eq '')
1526: ||
1527: ($env{'request.noversionuri'}=~ m{^/cgi-bin/printout.pl})
1528: ||
1529: (($env{'request.noversionuri'}=~/^\/adm\//) &&
1530: ($env{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
1531: ($env{'request.noversionuri'}!~
1532: m{^/adm/.*/(smppg|bulletinboard)($|\?)})
1533: ));
1534: }
1535:
1536:
1.304 foxr 1537: ##
1538: # Set the dueDate variable...note this is done in the timezone
1539: # of the browser.
1540: #
1541: # @param epoch relative time at which the problem is due.
1542: #
1543: # @return the javascript fragment to set the date:
1544: #
1545: sub set_due_date {
1546: my $dueStamp = shift;
1547: my $duems = $dueStamp * 1000; # Javascript Date object needs ms not seconds.
1548:
1549: my $now = time()*1000;
1550:
1551: # This slightly obscure bit of javascript sets the dueDate variable
1552: # to the time in the browser at which the problem was due.
1553: # The code should correct for gross differences between the server
1554: # and client's time setting
1555:
1.315 raeburn 1556: return <<"END";
1557:
1558: <script type="text/javascript">
1.304 foxr 1559: //<![CDATA[
1560: var serverDueDate = $duems;
1561: var serverTime = $now;
1562: var clientTime = (new Date()).getTime();
1563: var dueDate = new Date(serverDueDate + (clientTime - serverTime));
1564:
1565: //]]>
1566: </script>
1567:
1.315 raeburn 1568: END
1.307 foxr 1569: }
1570: ##
1571: # Sets the time at which the problem finished computing.
1572: # This just updates the serverTime and clientTime variables above.
1573: # Calling this in e.g. end_problem provides a better estimate of the
1574: # difference beetween the server and client time setting as
1575: # the difference contains less of the latency/problem compute time.
1576: #
1577: sub set_compute_end_time {
1578:
1579: my $now = time()*1000; # Javascript times are in ms.
1.316 raeburn 1580: return <<"END";
1581:
1582: <script type="text/javascript">
1.307 foxr 1583: //<![CDATA[
1584: serverTime = $now;
1585: clientTime = (new Date()).getTime();
1586: //]]>
1587: </script>
1588:
1.316 raeburn 1589: END
1.304 foxr 1590: }
1591:
1.53 matthew 1592: ############################################################
1593: ############################################################
1594:
1595: =pod
1596:
1.309 raeburn 1597: =item &breadcrumbs()
1.53 matthew 1598:
1599: Compiles the previously registered breadcrumbs into an series of links.
1600: Additionally supports a 'component', which will be displayed on the
1.223 droeschl 1601: right side of the breadcrumbs enclosing div (without a link).
1.53 matthew 1602: A link to help for the component will be included if one is specified.
1603:
1604: All inputs can be undef without problems.
1605:
1.223 droeschl 1606: Inputs: $component (the text on the right side of the breadcrumbs trail),
1.53 matthew 1607: $component_help
1.63 albertel 1608: $menulink (boolean, controls whether to include a link to /adm/menu)
1.138 albertel 1609: $helplink (if 'nohelp' don't include the orange help link)
1610: $css_class (optional name for the class to apply to the table for CSS)
1.197 raeburn 1611: $no_mt (optional flag, 1 if &mt() is _not_ to be applied to $component
1612: when including the text on the right.
1.53 matthew 1613: Returns a string containing breadcrumbs for the current page.
1614:
1.309 raeburn 1615: =item &clear_breadcrumbs()
1.53 matthew 1616:
1617: Clears the previously stored breadcrumbs.
1618:
1.309 raeburn 1619: =item &add_breadcrumb()
1.53 matthew 1620:
1621: Pushes a breadcrumb on the stack of crumbs.
1622:
1623: input: $breadcrumb, a hash reference. The keys 'href','title', and 'text'
1624: are required. If present the keys 'faq' and 'bug' will be used to provide
1.156 albertel 1625: links to the FAQ and bug sites. If the key 'no_mt' is present the 'title'
1626: and 'text' values won't be sent through &mt()
1.53 matthew 1627:
1628: returns: nothing
1629:
1630: =cut
1631:
1632: ############################################################
1633: ############################################################
1634: {
1635: my @Crumbs;
1.242 droeschl 1636: my %tools = ();
1.57 matthew 1637:
1.53 matthew 1638: sub breadcrumbs {
1.314 raeburn 1639: my ($component,$component_help,$menulink,$helplink,$css_class,$no_mt,
1640: $CourseBreadcrumbs) = @_;
1.53 matthew 1641: #
1.215 droeschl 1642: $css_class ||= 'LC_breadcrumbs';
1.205 amueller 1643:
1.57 matthew 1644: # Make the faq and bug data cascade
1.223 droeschl 1645: my $faq = '';
1646: my $bug = '';
1647: my $help = '';
1.215 droeschl 1648: # Crumb Symbol
1.223 droeschl 1649: my $crumbsymbol = '»';
1.60 www 1650: # The last breadcrumb does not have a link, so handle it separately.
1.53 matthew 1651: my $last = pop(@Crumbs);
1.57 matthew 1652: #
1.70 matthew 1653: # The first one should be the course or a menu link
1.215 droeschl 1654: if (!defined($menulink)) { $menulink=1; }
1.70 matthew 1655: if ($menulink) {
1656: my $description = 'Menu';
1.172 raeburn 1657: my $no_mt_descr = 0;
1.269 raeburn 1658: if ((exists($env{'request.course.id'})) &&
1659: ($env{'request.course.id'} ne '') &&
1660: ($env{'course.'.$env{'request.course.id'}.'.description'} ne '')) {
1.70 matthew 1661: $description =
1.104 albertel 1662: $env{'course.'.$env{'request.course.id'}.'.description'};
1.172 raeburn 1663: $no_mt_descr = 1;
1.330 raeburn 1664: if ($env{'request.noversionuri'} =~
1665: m{^/public/($match_domain)/($match_courseid)/syllabus$}) {
1666: unless (($env{'course.'.$env{'request.course.id'}.'.domain'} eq $1) &&
1.332 raeburn 1667: ($env{'course.'.$env{'request.course.id'}.'.num'} eq $2)) {
1.330 raeburn 1668: $description = 'Menu';
1669: $no_mt_descr = 0;
1670: }
1671: }
1.70 matthew 1672: }
1.215 droeschl 1673: $menulink = { href =>'/adm/menu',
1674: title =>'Go to main menu',
1675: target =>'_top',
1676: text =>$description,
1677: no_mt =>$no_mt_descr, };
1678: if($last) {
1679: #$last set, so we have some crumbs
1680: unshift(@Crumbs,$menulink);
1681: } else {
1682: #only menulink crumb present
1683: $last = $menulink;
1684: }
1.53 matthew 1685: }
1.287 www 1686: my $links;
1.330 raeburn 1687: if ((&show_return_link) && (!$CourseBreadcrumbs) && (ref($last) eq 'HASH')) {
1.299 raeburn 1688: my $alttext = &mt('Go Back');
1.317 raeburn 1689: $links=&htmltag( 'a','<img src="/res/adm/pages/tolastloc.png" alt="'.$alttext.'" class="LC_icon" />',
1.287 www 1690: { href => '/adm/flip?postdata=return:',
1.317 raeburn 1691: title => &mt('Back to most recent content resource'),
1692: class => 'LC_menubuttons_link',
1693: });
1.299 raeburn 1694: $links=&htmltag('li',$links);
1.287 www 1695: }
1696: $links.= join "",
1.261 droeschl 1697: map {
1698: $faq = $_->{'faq'} if (exists($_->{'faq'}));
1699: $bug = $_->{'bug'} if (exists($_->{'bug'}));
1700: $help = $_->{'help'} if (exists($_->{'help'}));
1701:
1.287 www 1702: my $result = $_->{no_mt} ? $_->{text} : &mt($_->{text});
1.261 droeschl 1703:
1704: if ($_->{href}){
1.287 www 1705: $result = &htmltag( 'a', $result,
1.261 droeschl 1706: { href => $_->{href},
1.287 www 1707: title => $_->{no_mt} ? $_->{title} : &mt($_->{title}),
1.261 droeschl 1708: target => $_->{target}, });
1709: }
1710:
1.287 www 1711: $result = &htmltag( 'li', "$result $crumbsymbol");
1.261 droeschl 1712: } @Crumbs;
1.223 droeschl 1713:
1714: #should the last Element be translated?
1.261 droeschl 1715:
1716: my $lasttext = $last->{'no_mt'} ? $last->{'text'}
1717: : mt( $last->{'text'} );
1718:
1.274 droeschl 1719: # last breadcrumb is the first order heading of a page
1720: # for course breadcrumbs it's just bold
1.304 foxr 1721:
1.330 raeburn 1722: if ($lasttext ne '') {
1723: $links .= &htmltag( 'li', htmltag($CourseBreadcrumbs ? 'b' : 'h1',
1724: $lasttext), {title => $lasttext});
1725: }
1.223 droeschl 1726:
1.54 matthew 1727: my $icons = '';
1.223 droeschl 1728: $faq = $last->{'faq'} if (exists($last->{'faq'}));
1729: $bug = $last->{'bug'} if (exists($last->{'bug'}));
1.106 www 1730: $help = $last->{'help'} if (exists($last->{'help'}));
1731: $component_help=($component_help?$component_help:$help);
1.145 albertel 1732: # if ($faq ne '') {
1733: # $icons .= &Apache::loncommon::help_open_faq($faq);
1734: # }
1.79 raeburn 1735: # if ($bug ne '') {
1736: # $icons .= &Apache::loncommon::help_open_bug($bug);
1737: # }
1.223 droeschl 1738: if ($faq ne '' || $component_help ne '' || $bug ne '') {
1739: $icons .= &Apache::loncommon::help_open_menu($component,
1740: $component_help,
1741: $faq,$bug);
1742: }
1.54 matthew 1743: #
1.304 foxr 1744:
1.205 amueller 1745:
1.330 raeburn 1746: if ($links ne '') {
1747: unless ($CourseBreadcrumbs) {
1748: $links = &htmltag('ol', $links, { id => "LC_MenuBreadcrumbs" });
1749: } else {
1750: $links = &htmltag('ul', $links, { class => "LC_CourseBreadcrumbs" });
1751: }
1.53 matthew 1752: }
1.223 droeschl 1753:
1.304 foxr 1754:
1.223 droeschl 1755: if ($component) {
1.287 www 1756: $links = &htmltag('span',
1.223 droeschl 1757: ( $no_mt ? $component : mt($component) ).
1758: ( $icons ? $icons : '' ),
1759: { class => 'LC_breadcrumbs_component' } )
1.304 foxr 1760: .$links
1761: ;
1.223 droeschl 1762: }
1763:
1.287 www 1764: &render_tools(\$links);
1765: $links = &htmltag('div', $links,
1.225 bisitz 1766: { id => "LC_breadcrumbs" }) unless ($CourseBreadcrumbs) ;
1.287 www 1767: &render_advtools(\$links);
1.223 droeschl 1768:
1.53 matthew 1769: # Return the @Crumbs stack to what we started with
1770: push(@Crumbs,$last);
1771: shift(@Crumbs);
1.304 foxr 1772:
1773:
1.223 droeschl 1774: # Return the breadcrumb's line
1.304 foxr 1775:
1776:
1777:
1.223 droeschl 1778: return "$links";
1.53 matthew 1779: }
1780:
1781: sub clear_breadcrumbs {
1782: undef(@Crumbs);
1.242 droeschl 1783: undef(%tools);
1.53 matthew 1784: }
1785:
1786: sub add_breadcrumb {
1.232 raeburn 1787: push(@Crumbs,@_);
1.53 matthew 1788: }
1.242 droeschl 1789:
1.309 raeburn 1790: =item &add_breadcrumb_tool($category, $html)
1.261 droeschl 1791:
1792: Adds $html to $category of the breadcrumb toolbar container.
1793:
1794: $html is usually a link to a page that invokes a function on the currently
1795: displayed data (e.g. print when viewing a problem)
1796:
1797: Currently there are 3 possible values for $category:
1798:
1799: =over
1800:
1801: =item navigation
1802: left of breadcrumbs line
1803:
1804: =item tools
1.314 raeburn 1805: remaining items in right of breadcrumbs line
1.261 droeschl 1806:
1807: =item advtools
1808: advanced tools shown in a separate box below breadcrumbs line
1809:
1810: =back
1811:
1812: returns: nothing
1813:
1814: =cut
1.242 droeschl 1815:
1816: sub add_breadcrumb_tool {
1.261 droeschl 1817: my ($category, @html) = @_;
1818: return unless @html;
1.285 raeburn 1819: if (!keys(%tools)) {
1.261 droeschl 1820: %tools = ( navigation => [], tools => [], advtools => []);
1.242 droeschl 1821: }
1.261 droeschl 1822:
1823: #this cleans data received from lonmenu::innerregister
1824: @html = grep {defined $_ && $_ ne ''} @html;
1825: for (@html) {
1826: s/align="(right|left)"//;
1.288 www 1827: # s/<span.*?\/span>// if $category ne 'advtools';
1.261 droeschl 1828: }
1829:
1830: push @{$tools{$category}}, @html;
1.242 droeschl 1831: }
1832:
1.309 raeburn 1833: =item &clear_breadcrumb_tools()
1.261 droeschl 1834:
1835: Clears the breadcrumb toolbar container.
1836:
1837: returns: nothing
1838:
1839: =cut
1840:
1.245 droeschl 1841: sub clear_breadcrumb_tools {
1842: undef(%tools);
1843: }
1844:
1.309 raeburn 1845: =item &render_tools(\$breadcrumbs)
1.261 droeschl 1846:
1847: Creates html for breadcrumb tools (categories navigation and tools) and inserts
1848: \$breadcrumbs at the correct position.
1849:
1850: input: \$breadcrumbs - a reference to the string containing prepared
1851: breadcrumbs.
1852:
1853: returns: nothing
1.309 raeburn 1854:
1.261 droeschl 1855: =cut
1856:
1857: #TODO might split this in separate functions for each category
1858: sub render_tools {
1859: my ($breadcrumbs) = @_;
1.285 raeburn 1860: return unless (keys(%tools));
1.261 droeschl 1861:
1862: my $navigation = list_from_array($tools{navigation},
1863: { listattr => { class=>"LC_breadcrumb_tools_navigation" } });
1864: my $tools = list_from_array($tools{tools},
1865: { listattr => { class=>"LC_breadcrumb_tools_tools" } });
1866: $$breadcrumbs = list_from_array([$navigation, $tools, $$breadcrumbs],
1867: { listattr => { class=>'LC_breadcrumb_tools_outerlist' } });
1868: }
1869:
1.309 raeburn 1870: =pod
1871:
1872: =item &render_advtools(\$breadcrumbs)
1.261 droeschl 1873:
1874: Creates html for advanced tools (category advtools) and inserts \$breadcrumbs
1875: at the correct position.
1876:
1877: input: \$breadcrumbs - a reference to the string containing prepared
1878: breadcrumbs (after render_tools call).
1879:
1880: returns: nothing
1.309 raeburn 1881:
1.261 droeschl 1882: =cut
1883:
1884: sub render_advtools {
1885: my ($breadcrumbs) = @_;
1886: return unless (defined $tools{'advtools'})
1887: and (scalar(@{$tools{'advtools'}}) > 0);
1888:
1889: $$breadcrumbs .= Apache::loncommon::head_subbox(
1890: funclist_from_array($tools{'advtools'}) );
1.242 droeschl 1891: }
1.53 matthew 1892:
1.57 matthew 1893: } # End of scope for @Crumbs
1.53 matthew 1894:
1.331 raeburn 1895: sub docs_breadcrumbs {
1.332 raeburn 1896: my ($allowed,$crstype,$contenteditor,$title,$precleared)=@_;
1.331 raeburn 1897: my ($folderpath,@folders);
1898: if ($env{'form.pagepath'}) {
1899: @folders = split('&',$env{'form.pagepath'});
1900: } else {
1.332 raeburn 1901: @folders = split('&',$env{'form.folderpath'});
1.331 raeburn 1902: }
1903: my $plain='';
1904: my ($randompick,$isencrypted,$ishidden,$is_random_order) = (-1,0,0,0);
1.332 raeburn 1905: my @docs_crumbs;
1.331 raeburn 1906: while (@folders) {
1907: my $folder=shift(@folders);
1908: my $foldername=shift(@folders);
1909: if ($folderpath) {$folderpath.='&';}
1910: $folderpath.=$folder.'&'.$foldername;
1911: my $url;
1912: if ($allowed) {
1913: $url = '/adm/coursedocs?folderpath=';
1914: } else {
1915: $url = '/adm/supplemental?folderpath=';
1916: }
1917: $url .= &escape($folderpath);
1918: my $name=&unescape($foldername);
1919: # each of randompick number, hidden, encrypted, random order are
1920: # appended with ":"s to the foldername
1921: $name=~s/\:(\d*)\:(\w*)\:(\w*):(\d*)$//;
1922: if ($contenteditor) {
1923: if ($1 ne '') {
1924: $randompick=$1;
1925: } else {
1926: $randompick=-1;
1927: }
1928: if ($2) { $ishidden=1; }
1929: if ($3) { $isencrypted=1; }
1930: if ($4 ne '') { $is_random_order = 1; }
1931: }
1932: if ($folder eq 'supplemental') {
1.332 raeburn 1933: $name = &mt('Supplemental '.$crstype.' Contents');
1.331 raeburn 1934: }
1935: if ($contenteditor) {
1936: $plain.=$name.' > ';
1937: }
1.332 raeburn 1938: push(@docs_crumbs,
1.331 raeburn 1939: {'href' => $url,
1940: 'title' => $name,
1941: 'text' => $name,
1942: 'no_mt' => 1,
1943: });
1944: }
1.333 raeburn 1945: if ($title) {
1946: push(@docs_crumbs,
1947: {'title' => $title,
1948: 'text' => $title,
1949: 'no_mt' => 1,}
1950: );
1951: }
1.332 raeburn 1952: if (wantarray) {
1953: unless ($precleared) {
1954: &clear_breadcrumbs();
1955: }
1956: &add_breadcrumb(@docs_crumbs);
1957: if ($contenteditor) {
1958: $plain=~s/\>\;\s*$//;
1959: }
1960: my $menulink = 0;
1961: if (!$allowed && !$contenteditor) {
1962: $menulink = 1;
1963: }
1964: return (&breadcrumbs(undef,undef,$menulink,'nohelp',undef,undef,
1965: $contenteditor),
1966: $randompick,$ishidden,$isencrypted,$plain,
1967: $is_random_order);
1.331 raeburn 1968: } else {
1.332 raeburn 1969: return \@docs_crumbs;
1.331 raeburn 1970: }
1971: }
1972:
1.53 matthew 1973: ############################################################
1974: ############################################################
1975:
1.112 raeburn 1976: # Nested table routines.
1977: #
1978: # Routines to display form items in a multi-row table with 2 columns.
1979: # Uses nested tables to divide form elements into segments.
1980: # For examples of use see loncom/interface/lonnotify.pm
1981: #
1982: # Can be used in following order: ...
1983: # &start_pick_box()
1984: # row1
1985: # row2
1986: # row3 ... etc.
1.173 raeburn 1987: # &submit_row()
1.161 raeburn 1988: # &end_pick_box()
1.112 raeburn 1989: #
1990: # where row1, row 2 etc. are chosen from &role_select_row,&course_select_row,
1991: # &status_select_row and &email_default_row
1992: #
1993: # Can also be used in following order:
1994: #
1995: # &start_pick_box()
1996: # &row_title()
1997: # &row_closure()
1998: # &row_title()
1999: # &row_closure() ... etc.
2000: # &submit_row()
2001: # &end_pick_box()
2002: #
2003: # In general a &submit_row() call should proceed the call to &end_pick_box(),
2004: # as this routine adds a button for form submission.
1.113 raeburn 2005: # &submit_row() does not require a &row_closure after it.
1.112 raeburn 2006: #
2007: # &start_pick_box() creates a bounding table with 1-pixel wide black border.
2008: # rows should be placed between calls to &start_pick_box() and &end_pick_box.
2009: #
2010: # &row_title() adds a title in the left column for each segment.
2011: # &row_closure() closes a row with a 1-pixel wide black line.
2012: #
2013: # &role_select_row() provides a select box from which to choose 1 or more roles
2014: # &course_select_row provides ways of picking groups of courses
2015: # radio buttons: all, by category or by picking from a course picker pop-up
2016: # note: by category option is only displayed if a domain has implemented
2017: # selection by year, semester, department, number etc.
2018: #
2019: # &status_select_row() provides a select box from which to choose 1 or more
2020: # access types (current access, prior access, and future access)
2021: #
2022: # &email_default_row() provides text boxes for default e-mail suffixes for
2023: # different authentication types in a domain.
2024: #
2025: # &row_title() and &row_closure() are called internally by the &*_select_row
2026: # routines, but can also be called directly to start and end rows which have
2027: # needs that are not accommodated by the *_select_row() routines.
2028:
1.193 bisitz 2029: { # Start: row_count block for pick_box
2030: my @row_count;
2031:
1.112 raeburn 2032: sub start_pick_box {
1.313 raeburn 2033: my ($css_class,$id) = @_;
1.142 albertel 2034: if (defined($css_class)) {
2035: $css_class = 'class="'.$css_class.'"';
2036: } else {
2037: $css_class= 'class="LC_pick_box"';
2038: }
1.313 raeburn 2039: my $table_id;
2040: if (defined($id)) {
2041: $table_id = ' id="'.$id.'"';
2042: }
1.193 bisitz 2043: unshift(@row_count,0);
1.112 raeburn 2044: my $output = <<"END";
1.313 raeburn 2045: <table $css_class $table_id>
1.112 raeburn 2046: END
2047: return $output;
2048: }
2049:
2050: sub end_pick_box {
1.193 bisitz 2051: shift(@row_count);
1.112 raeburn 2052: my $output = <<"END";
2053: </table>
2054: END
2055: return $output;
2056: }
2057:
1.181 bisitz 2058: sub row_headline {
2059: my $output = <<"END";
2060: <tr><td colspan="2">
2061: END
2062: return $output;
2063: }
2064:
1.112 raeburn 2065: sub row_title {
1.243 amueller 2066: my ($title,$css_title_class,$css_value_class, $css_value_furtherAttributes) = @_;
1.193 bisitz 2067: $row_count[0]++;
2068: my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
1.142 albertel 2069: $css_title_class ||= 'LC_pick_box_title';
2070: $css_title_class = 'class="'.$css_title_class.'"';
2071:
2072: $css_value_class ||= 'LC_pick_box_value';
2073:
1.173 raeburn 2074: if ($title ne '') {
2075: $title .= ':';
2076: }
1.112 raeburn 2077: my $output = <<"ENDONE";
1.243 amueller 2078: <tr class="LC_pick_box_row" $css_value_furtherAttributes>
1.142 albertel 2079: <td $css_title_class>
1.173 raeburn 2080: $title
1.112 raeburn 2081: </td>
1.193 bisitz 2082: <td class="$css_value_class $css_class">
1.112 raeburn 2083: ENDONE
2084: return $output;
2085: }
2086:
2087: sub row_closure {
1.143 albertel 2088: my ($no_separator) =@_;
1.113 raeburn 2089: my $output = <<"ENDTWO";
1.112 raeburn 2090: </td>
2091: </tr>
1.143 albertel 2092: ENDTWO
2093: if (!$no_separator) {
2094: $output .= <<"ENDTWO";
1.112 raeburn 2095: <tr>
1.143 albertel 2096: <td colspan="2" class="LC_pick_box_separator">
1.112 raeburn 2097: </td>
2098: </tr>
2099: ENDTWO
1.143 albertel 2100: }
1.112 raeburn 2101: return $output;
2102: }
2103:
1.193 bisitz 2104: } # End: row_count block for pick_box
2105:
1.112 raeburn 2106: sub role_select_row {
1.147 raeburn 2107: my ($roles,$title,$css_class,$show_separate_custom,$cdom,$cnum) = @_;
1.236 raeburn 2108: my $crstype = 'Course';
2109: if ($cdom ne '' && $cnum ne '') {
2110: $crstype = &Apache::loncommon::course_type($cdom.'_'.$cnum);
2111: }
1.116 raeburn 2112: my $output;
2113: if (defined($title)) {
1.142 albertel 2114: $output = &row_title($title,$css_class);
1.116 raeburn 2115: }
1.142 albertel 2116: $output .= qq|
1.198 bisitz 2117: <select name="roles" multiple="multiple">\n|;
1.113 raeburn 2118: foreach my $role (@$roles) {
1.114 raeburn 2119: my $plrole;
2120: if ($role eq 'ow') {
2121: $plrole = &mt('Course Owner');
1.147 raeburn 2122: } elsif ($role eq 'cr') {
2123: if ($show_separate_custom) {
2124: if ($cdom ne '' && $cnum ne '') {
2125: my %course_customroles = &course_custom_roles($cdom,$cnum);
2126: foreach my $crrole (sort(keys(%course_customroles))) {
2127: my ($plcrrole) = ($crrole =~ m|^cr/[^/]+/[^/]+/(.+)$|);
2128: $output .= ' <option value="'.$crrole.'">'.$plcrrole.
2129: '</option>';
2130: }
2131: }
2132: } else {
2133: $plrole = &mt('Custom Role');
2134: }
1.114 raeburn 2135: } else {
1.236 raeburn 2136: $plrole=&Apache::lonnet::plaintext($role,$crstype);
1.114 raeburn 2137: }
1.147 raeburn 2138: if (($role ne 'cr') || (!$show_separate_custom)) {
2139: $output .= ' <option value="'.$role.'">'.$plrole.'</option>';
2140: }
1.112 raeburn 2141: }
1.142 albertel 2142: $output .= qq| </select>\n|;
1.116 raeburn 2143: if (defined($title)) {
2144: $output .= &row_closure();
2145: }
1.112 raeburn 2146: return $output;
2147: }
2148:
2149: sub course_select_row {
1.142 albertel 2150: my ($title,$formname,$totcodes,$codetitles,$idlist,$idlist_titles,
1.280 raeburn 2151: $css_class,$crstype,$standardnames) = @_;
1.142 albertel 2152: my $output = &row_title($title,$css_class);
1.280 raeburn 2153: $output .= &course_selection($formname,$totcodes,$codetitles,$idlist,$idlist_titles,$crstype,$standardnames);
1.169 raeburn 2154: $output .= &row_closure();
2155: return $output;
2156: }
2157:
2158: sub course_selection {
1.280 raeburn 2159: my ($formname,$totcodes,$codetitles,$idlist,$idlist_titles,$crstype,$standardnames) = @_;
1.169 raeburn 2160: my $output = qq|
1.142 albertel 2161: <script type="text/javascript">
1.218 bisitz 2162: // <![CDATA[
1.112 raeburn 2163: function coursePick (formname) {
2164: for (var i=0; i<formname.coursepick.length; i++) {
1.114 raeburn 2165: if (formname.coursepick[i].value == 'category') {
2166: courseSet('');
2167: }
1.112 raeburn 2168: if (!formname.coursepick[i].checked) {
2169: if (formname.coursepick[i].value == 'specific') {
2170: formname.coursetotal.value = 0;
2171: formname.courselist = '';
2172: }
2173: }
2174: }
2175: }
1.114 raeburn 2176: function setPick (formname) {
2177: for (var i=0; i<formname.coursepick.length; i++) {
2178: if (formname.coursepick[i].value == 'category') {
2179: formname.coursepick[i].checked = true;
2180: }
2181: formname.coursetotal.value = 0;
2182: formname.courselist = '';
2183: }
2184: }
1.218 bisitz 2185: // ]]>
1.112 raeburn 2186: </script>
2187: |;
1.237 raeburn 2188:
2189: my ($allcrs,$pickspec);
2190: if ($crstype eq 'Community') {
2191: $allcrs = &mt('All communities');
2192: $pickspec = &mt('Pick specific communities:');
2193: } else {
2194: $allcrs = &mt('All courses');
2195: $pickspec = &mt('Pick specific course(s):');
2196: }
2197:
1.112 raeburn 2198: my $courseform='<b>'.&Apache::loncommon::selectcourse_link
1.237 raeburn 2199: ($formname,'pickcourse','pickdomain','coursedesc','',1,$crstype).'</b>';
2200: $output .= '<input type="radio" name="coursepick" value="all" onclick="coursePick(this.form)" />'.$allcrs.'<br />';
1.112 raeburn 2201: if ($totcodes > 0) {
2202: my $numtitles = @$codetitles;
2203: if ($numtitles > 0) {
1.129 raeburn 2204: $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 2205: $output .= '<table><tr><td>'.$$codetitles[0].'<br />'."\n".
1.280 raeburn 2206: '<select name="'.$standardnames->[0].
1.114 raeburn 2207: '" onChange="setPick(this.form);courseSet('."'$$codetitles[0]'".')">'."\n".
1.112 raeburn 2208: ' <option value="-1" />Select'."\n";
2209: my @items = ();
2210: my @longitems = ();
2211: if ($$idlist{$$codetitles[0]} =~ /","/) {
1.113 raeburn 2212: @items = split(/","/,$$idlist{$$codetitles[0]});
1.112 raeburn 2213: } else {
2214: $items[0] = $$idlist{$$codetitles[0]};
2215: }
2216: if (defined($$idlist_titles{$$codetitles[0]})) {
2217: if ($$idlist_titles{$$codetitles[0]} =~ /","/) {
1.113 raeburn 2218: @longitems = split(/","/,$$idlist_titles{$$codetitles[0]});
1.112 raeburn 2219: } else {
2220: $longitems[0] = $$idlist_titles{$$codetitles[0]};
2221: }
2222: for (my $i=0; $i<@longitems; $i++) {
2223: if ($longitems[$i] eq '') {
2224: $longitems[$i] = $items[$i];
2225: }
2226: }
2227: } else {
2228: @longitems = @items;
2229: }
2230: for (my $i=0; $i<@items; $i++) {
2231: $output .= ' <option value="'.$items[$i].'">'.$longitems[$i].'</option>';
2232: }
2233: $output .= '</select></td>';
2234: for (my $i=1; $i<$numtitles; $i++) {
2235: $output .= '<td>'.$$codetitles[$i].'<br />'."\n".
1.280 raeburn 2236: '<select name="'.$standardnames->[$i].
1.112 raeburn 2237: '" onChange="courseSet('."'$$codetitles[$i]'".')">'."\n".
2238: '<option value="-1"><-Pick '.$$codetitles[$i-1].'</option>'."\n".
2239: '</select>'."\n".
2240: '</td>';
2241: }
2242: $output .= '</tr></table><br />';
2243: }
2244: }
1.238 raeburn 2245: $output .= '<input type="radio" name="coursepick" value="specific" onclick="coursePick(this.form);opencrsbrowser('."'".$formname."','dccourse','dcdomain','coursedesc','','1','$crstype'".')" />'.$pickspec.' '.$courseform.' <input type="text" value="0" size="4" name="coursetotal" /><input type="hidden" name="courselist" value="" />selected.<br />'."\n";
1.112 raeburn 2246: return $output;
2247: }
2248:
2249: sub status_select_row {
1.142 albertel 2250: my ($types,$title,$css_class) = @_;
1.117 raeburn 2251: my $output;
2252: if (defined($title)) {
1.142 albertel 2253: $output = &row_title($title,$css_class,'LC_pick_box_select');
1.117 raeburn 2254: }
1.142 albertel 2255: $output .= qq|
1.198 bisitz 2256: <select name="types" multiple="multiple">\n|;
1.113 raeburn 2257: foreach my $status_type (sort(keys(%{$types}))) {
1.112 raeburn 2258: $output .= ' <option value="'.$status_type.'">'.$$types{$status_type}.'</option>';
2259: }
1.142 albertel 2260: $output .= qq| </select>\n|;
1.117 raeburn 2261: if (defined($title)) {
2262: $output .= &row_closure();
2263: }
1.112 raeburn 2264: return $output;
2265: }
2266:
2267: sub email_default_row {
1.142 albertel 2268: my ($authtypes,$title,$descrip,$css_class) = @_;
2269: my $output = &row_title($title,$css_class);
2270: $output .= $descrip.
2271: &Apache::loncommon::start_data_table().
2272: &Apache::loncommon::start_data_table_header_row().
2273: '<th>'.&mt('Authentication Method').'</th>'.
2274: '<th align="right">'.&mt('Username -> e-mail conversion').'</th>'."\n".
2275: &Apache::loncommon::end_data_table_header_row();
1.112 raeburn 2276: my $rownum = 0;
1.113 raeburn 2277: foreach my $auth (sort(keys(%{$authtypes}))) {
1.112 raeburn 2278: my ($userentry,$size);
2279: if ($auth =~ /^krb/) {
2280: $userentry = '';
2281: $size = 25;
2282: } else {
2283: $userentry = 'username@';
2284: $size = 15;
2285: }
1.142 albertel 2286: $output .= &Apache::loncommon::start_data_table_row().
2287: '<td> '.$$authtypes{$auth}.'</td>'.
2288: '<td align="right">'.$userentry.
2289: '<input type="text" name="'.$auth.'" size="'.$size.'" /></td>'.
2290: &Apache::loncommon::end_data_table_row();
1.112 raeburn 2291: }
1.142 albertel 2292: $output .= &Apache::loncommon::end_data_table();
1.112 raeburn 2293: $output .= &row_closure();
2294: return $output;
2295: }
2296:
2297:
2298: sub submit_row {
1.142 albertel 2299: my ($title,$cmd,$submit_text,$css_class) = @_;
2300: my $output = &row_title($title,$css_class,'LC_pick_box_submit');
1.112 raeburn 2301: $output .= qq|
2302: <br />
2303: <input type="hidden" name="command" value="$cmd" />
2304: <input type="submit" value="$submit_text"/>
2305: <br /><br />
1.142 albertel 2306: \n|;
1.112 raeburn 2307: return $output;
2308: }
1.1 stredwic 2309:
1.147 raeburn 2310: sub course_custom_roles {
2311: my ($cdom,$cnum) = @_;
2312: my %returnhash=();
2313: my %coursepersonnel=&Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
2314: foreach my $person (sort(keys(%coursepersonnel))) {
2315: my ($role) = ($person =~ /^([^:]+):/);
2316: my ($end,$start) = split(/:/,$coursepersonnel{$person});
2317: if ($end == -1 && $start == -1) {
2318: next;
2319: }
2320: if ($role =~ m|^cr/[^/]+/[^/]+/[^/]|) {
2321: $returnhash{$role} ++;
2322: }
2323: }
2324: return %returnhash;
2325: }
2326:
2327:
1.270 www 2328: sub resource_info_box {
1.300 raeburn 2329: my ($symb,$onlyfolderflag,$stuvcurrent,$stuvdisp)=@_;
1.270 www 2330: my $return='';
1.300 raeburn 2331: if ($stuvcurrent ne '') {
2332: $return = '<div class="LC_left_float">';
2333: }
1.270 www 2334: if ($symb) {
1.300 raeburn 2335: $return.=&Apache::loncommon::start_data_table();
1.271 www 2336: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symb);
2337: my $folder=&Apache::lonnet::gettitle($map);
2338: $return.=&Apache::loncommon::start_data_table_row().
1.300 raeburn 2339: '<th align="left">'.&mt('Folder:').'</th><td>'.$folder.'</td>'.
1.271 www 2340: &Apache::loncommon::end_data_table_row();
1.270 www 2341: unless ($onlyfolderflag) {
2342: $return.=&Apache::loncommon::start_data_table_row().
1.300 raeburn 2343: '<th align="left">'.&mt('Resource:').'</th><td>'.&Apache::lonnet::gettitle($symb).'</td>'.
2344: &Apache::loncommon::end_data_table_row();
2345: }
2346: if ($stuvcurrent ne '') {
2347: $return .= &Apache::loncommon::start_data_table_row().
2348: '<th align="left">'.&mt("Student's current version:").'</th><td>'.$stuvcurrent.'</td>'.
2349: &Apache::loncommon::end_data_table_row();
2350: }
2351: if ($stuvdisp ne '') {
2352: $return .= &Apache::loncommon::start_data_table_row().
2353: '<th align="left">'.&mt("Student's version displayed:").'</th><td>'.$stuvdisp.'</td>'.
1.270 www 2354: &Apache::loncommon::end_data_table_row();
2355: }
1.271 www 2356: $return.=&Apache::loncommon::end_data_table();
1.270 www 2357: } else {
2358: $return='<p><span class="LC_error">'.&mt('No context provided.').'</span></p>';
2359: }
1.300 raeburn 2360: if ($stuvcurrent ne '') {
2361: $return .= '</div>';
2362: }
1.270 www 2363: return $return;
2364: }
2365:
1.119 raeburn 2366: ##############################################
2367: ##############################################
1.179 raeburn 2368:
2369: # topic_bar
2370: #
1.248 wenzelju 2371: # Generates a div containing an (optional) number with a white background followed by a
1.240 raeburn 2372: # title with a background color defined in the corresponding CSS: LC_topic_bar
2373: # Inputs:
1.248 wenzelju 2374: # 1. number to display.
2375: # If input for number is empty only the title will be displayed.
1.240 raeburn 2376: # 2. title text to display.
1.313 raeburn 2377: # 3. optional id for the <div>
1.240 raeburn 2378: # Outputs - a scalar containing html mark-up for the div.
2379:
1.179 raeburn 2380: sub topic_bar {
1.313 raeburn 2381: my ($num,$title,$id) = @_;
1.248 wenzelju 2382: my $number = '';
2383: if ($num ne '') {
2384: $number = '<span>'.$num.'</span>';
1.239 amueller 2385: }
1.313 raeburn 2386: if ($id ne '') {
2387: $id = 'id="'.$id.'"';
2388: }
2389: return '<div class="LC_topic_bar" '.$id.'>'.$number.$title.'</div>';
1.179 raeburn 2390: }
2391:
2392: ##############################################
2393: ##############################################
1.119 raeburn 2394: # echo_form_input
2395: #
2396: # Generates html markup to add form elements from the referrer page
2397: # as hidden form elements (values encoded) in the new page.
2398: #
2399: # Intended to support two types of use
2400: # (a) to allow backing up to earlier pages in a multi-page
2401: # form submission process using a breadcrumb trail.
2402: #
2403: # (b) to allow the current page to be reloaded with form elements
2404: # set on previous page to remain unchanged. An example would
2405: # be where the a page containing a dynamically-built table of data is
2406: # is to be redisplayed, with only the sort order of the data changed.
2407: #
2408: # Inputs:
2409: # 1. Reference to array of form elements in the submitted form on
2410: # the referrer page which are to be excluded from the echoed elements.
2411: #
2412: # 2. Reference to array of regular expressions, which if matched in the
2413: # name of the form element n the referrer page will be omitted from echo.
2414: #
2415: # Outputs: A scalar containing the html markup for the echoed form
2416: # elements (all as hidden elements, with values encoded).
2417:
2418:
2419: sub echo_form_input {
2420: my ($excluded,$regexps) = @_;
2421: my $output = '';
2422: foreach my $key (keys(%env)) {
2423: if ($key =~ /^form\.(.+)$/) {
2424: my $name = $1;
2425: my $match = 0;
1.285 raeburn 2426: if (ref($excluded) eq 'ARRAY') {
2427: next if (grep(/^\Q$name\E$/,@{$excluded}));
2428: }
2429: if (ref($regexps) eq 'ARRAY') {
2430: if (@{$regexps} > 0) {
2431: foreach my $regexp (@{$regexps}) {
2432: if ($name =~ /$regexp/) {
2433: $match = 1;
2434: last;
1.119 raeburn 2435: }
2436: }
2437: }
1.285 raeburn 2438: }
2439: next if ($match);
2440: if (ref($env{$key}) eq 'ARRAY') {
2441: foreach my $value (@{$env{$key}}) {
2442: $value = &HTML::Entities::encode($value,'<>&"');
2443: $output .= '<input type="hidden" name="'.$name.
2444: '" value="'.$value.'" />'."\n";
1.119 raeburn 2445: }
1.285 raeburn 2446: } else {
2447: my $value = &HTML::Entities::encode($env{$key},'<>&"');
2448: $output .= '<input type="hidden" name="'.$name.
2449: '" value="'.$value.'" />'."\n";
1.119 raeburn 2450: }
2451: }
2452: }
2453: return $output;
2454: }
2455:
2456: ##############################################
2457: ##############################################
2458: # set_form_elements
2459: #
2460: # Generates javascript to set form elements to values based on
2461: # corresponding values for the same form elements when the page was
2462: # previously submitted.
2463: #
2464: # Last submission values are read from hidden form elements in referring
2465: # page which have the same name, i.e., generated by &echo_form_input().
2466: #
2467: # Intended to be called by onload event.
2468: #
1.121 raeburn 2469: # Inputs:
2470: # (a) Reference to hash of echoed form elements to be set.
1.119 raeburn 2471: #
2472: # In the hash, keys are the form element names, and the values are the
2473: # element type (selectbox, radio, checkbox or text -for textbox, textarea or
2474: # hidden).
1.121 raeburn 2475: #
2476: # (b) Optional reference to hash of stored elements to be set.
2477: #
2478: # If the page being displayed is a page which permits modification of
2479: # previously stored data, e.g., the first page in a multi-page submission,
2480: # then if stored is supplied, form elements will be set to the last stored
2481: # values. If user supplied values are also available for the same elements
2482: # these will replace the stored values.
2483: #
1.119 raeburn 2484: # Output:
2485: #
2486: # javascript function - set_form_elements() which sets form elements,
2487: # expects an argument: formname - the name of the form according to
2488: # the DOM, e.g., document.compose
2489:
2490: sub set_form_elements {
1.121 raeburn 2491: my ($elements,$stored) = @_;
2492: my %values;
1.119 raeburn 2493: my $output .= 'function setFormElements(courseForm) {
1.121 raeburn 2494: ';
2495: if (defined($stored)) {
2496: foreach my $name (keys(%{$stored})) {
2497: if (exists($$elements{$name})) {
2498: if (ref($$stored{$name}) eq 'ARRAY') {
2499: $values{$name} = $$stored{$name};
2500: } else {
2501: @{$values{$name}} = ($$stored{$name});
2502: }
2503: }
2504: }
2505: }
2506:
1.119 raeburn 2507: foreach my $key (keys(%env)) {
2508: if ($key =~ /^form\.(.+)$/) {
2509: my $name = $1;
2510: if (exists($$elements{$name})) {
1.121 raeburn 2511: @{$values{$name}} = &Apache::loncommon::get_env_multiple($key);
2512: }
2513: }
2514: }
2515:
2516: foreach my $name (keys(%values)) {
2517: for (my $i=0; $i<@{$values{$name}}; $i++) {
2518: $values{$name}[$i] = &HTML::Entities::decode($values{$name}[$i],'<>&"');
2519: $values{$name}[$i] =~ s/([\r\n\f]+)/\\n/g;
2520: $values{$name}[$i] =~ s/"/\\"/g;
2521: }
1.234 raeburn 2522: if (($$elements{$name} eq 'text') || ($$elements{$name} eq 'hidden')) {
1.121 raeburn 2523: my $numvalues = @{$values{$name}};
2524: if ($numvalues > 1) {
2525: my $valuestring = join('","',@{$values{$name}});
2526: $output .= qq|
1.119 raeburn 2527: var textvalues = new Array ("$valuestring");
1.147 raeburn 2528: var total = courseForm.elements['$name'].length;
1.119 raeburn 2529: if (total > $numvalues) {
2530: total = $numvalues;
2531: }
2532: for (var i=0; i<total; i++) {
1.147 raeburn 2533: courseForm.elements['$name']\[i].value = textvalues[i];
1.119 raeburn 2534: }
2535: |;
1.121 raeburn 2536: } else {
2537: $output .= qq|
1.147 raeburn 2538: courseForm.elements['$name'].value = "$values{$name}[0]";
1.119 raeburn 2539: |;
1.121 raeburn 2540: }
2541: } else {
2542: $output .= qq|
1.147 raeburn 2543: var elementLength = courseForm.elements['$name'].length;
1.119 raeburn 2544: if (elementLength==undefined) {
2545: |;
1.121 raeburn 2546: foreach my $value (@{$values{$name}}) {
2547: if ($$elements{$name} eq 'selectbox') {
2548: $output .= qq|
1.147 raeburn 2549: if (courseForm.elements['$name'].options[0].value == "$value") {
2550: courseForm.elements['$name'].options[0].selected = true;
1.119 raeburn 2551: }|;
1.121 raeburn 2552: } elsif (($$elements{$name} eq 'radio') ||
2553: ($$elements{$name} eq 'checkbox')) {
2554: $output .= qq|
1.147 raeburn 2555: if (courseForm.elements['$name'].value == "$value") {
1.148 albertel 2556: courseForm.elements['$name'].checked = true;
1.234 raeburn 2557: } else {
2558: courseForm.elements['$name'].checked = false;
1.119 raeburn 2559: }|;
1.121 raeburn 2560: }
2561: }
2562: $output .= qq|
1.119 raeburn 2563: }
2564: else {
1.147 raeburn 2565: for (var i=0; i<courseForm.elements['$name'].length; i++) {
1.119 raeburn 2566: |;
1.121 raeburn 2567: if ($$elements{$name} eq 'selectbox') {
2568: $output .= qq|
1.147 raeburn 2569: courseForm.elements['$name'].options[i].selected = false;|;
1.121 raeburn 2570: } elsif (($$elements{$name} eq 'radio') ||
2571: ($$elements{$name} eq 'checkbox')) {
2572: $output .= qq|
1.147 raeburn 2573: courseForm.elements['$name']\[i].checked = false;|;
1.121 raeburn 2574: }
2575: $output .= qq|
1.119 raeburn 2576: }
1.147 raeburn 2577: for (var j=0; j<courseForm.elements['$name'].length; j++) {
1.119 raeburn 2578: |;
1.121 raeburn 2579: foreach my $value (@{$values{$name}}) {
2580: if ($$elements{$name} eq 'selectbox') {
2581: $output .= qq|
1.147 raeburn 2582: if (courseForm.elements['$name'].options[j].value == "$value") {
2583: courseForm.elements['$name'].options[j].selected = true;
1.119 raeburn 2584: }|;
1.121 raeburn 2585: } elsif (($$elements{$name} eq 'radio') ||
2586: ($$elements{$name} eq 'checkbox')) {
2587: $output .= qq|
1.147 raeburn 2588: if (courseForm.elements['$name']\[j].value == "$value") {
2589: courseForm.elements['$name']\[j].checked = true;
1.119 raeburn 2590: }|;
1.121 raeburn 2591: }
2592: }
2593: $output .= qq|
1.119 raeburn 2594: }
2595: }
2596: |;
2597: }
2598: }
2599: $output .= "
1.235 raeburn 2600: return;
1.119 raeburn 2601: }\n";
2602: return $output;
2603: }
2604:
1.158 raeburn 2605: ##############################################
2606: ##############################################
2607:
1.291 raeburn 2608: sub file_submissionchk_js {
2609: my ($turninpaths,$multiples) = @_;
2610: my $overwritewarn = &mt('File(s) you uploaded for your submission will overwrite existing file(s) submitted for this item').'\\n'.
2611: &mt('Continue submission and overwrite the file(s)?');
2612: my $delfilewarn = &mt('You have indicated you wish to remove some files previously included in your submission.').'\\n'.
2613: &mt('Continue submission with these files removed?');
1.292 raeburn 2614: my ($turninpathtext,$multtext,$arrayindexofjs);
1.291 raeburn 2615: if (ref($turninpaths) eq 'HASH') {
2616: foreach my $key (sort(keys(%{$turninpaths}))) {
2617: $turninpathtext .= " if (prefix == '$key') {\n".
2618: " return '$turninpaths->{$key}';\n".
2619: " }\n";
2620: }
2621: }
2622: $turninpathtext .= " return '';\n";
2623: if (ref($multiples) eq 'HASH') {
2624: foreach my $key (sort(keys(%{$multiples}))) {
2625: $multtext .= " if (prefix == '$key') {\n".
2626: " return '$multiples->{$key}';\n".
2627: " }\n";
2628: }
2629: }
2630: $multtext .= " return '';\n";
1.292 raeburn 2631:
1.293 raeburn 2632: $arrayindexofjs = &Apache::loncommon::javascript_array_indexof();
1.291 raeburn 2633: return <<"ENDSCRIPT";
2634: <script type="text/javascript">
2635: // <![CDATA[
2636:
2637: function file_submission_check(formname,path,multiresp) {
2638: var elemnum = formname.elements.length;
2639: if (elemnum == 0) {
2640: return true;
2641: }
2642: var alloverwrites = [];
2643: var alldelconfirm = [];
2644: var result = [];
2645: var submitter;
2646: var subprefix;
2647: var allsub = getIndexByName(formname,'all_submit');
2648: if (allsub == -1) {
2649: var idx = getIndexByName(formname,'submitted');
2650: if (idx != -1) {
2651: var subval = String(formname.elements[idx].value);
2652: submitter = subval.replace(/^part_/,'');
2653: result = overwritten_check(formname,path,multiresp,submitter);
2654: alloverwrites.push.apply(alloverwrites,result['overwrite']);
2655: alldelconfirm.push.apply(alldelconfirm,result['delete']);
2656: }
2657: } else {
2658: if (formname.elements[allsub].type == 'submit') {
2659: var partsub = /^\\d+\\.\\d+_submit_.+\$/;
2660: var allprefixes = [];
2661: var allparts = [];
2662: for (var i=0; i<formname.elements.length; i++) {
2663: if (formname.elements[i].type == 'submit') {
2664: var elemname = formname.elements[i].name;
2665: var subname = String(elemname);
2666: var savesub = String(elemname);
2667: if (partsub.test(subname)) {
2668: var prefix = subname.replace(/_submit_.+\$/,'');
2669: if (allprefixes.indexOf(prefix) == -1) {
2670: allprefixes.push(prefix);
2671: allparts[prefix] = [];
2672: }
2673: var part = savesub.replace(/^\\d+\\.\\d+_submit_/,'');
2674: allparts[prefix].push(part);
2675: }
2676: }
2677: }
2678: for (var k=0; k<allprefixes.length; k++) {
2679: var idx = getIndexByName(formname,allprefixes[k]+'_submitted');
2680: if (idx > -1) {
2681: if (formname.elements[idx].value != 'yes') {
2682: submitterval = formname.elements[idx].value;
2683: submitter = submitterval.replace(/^part_/,'');
2684: subprefix = allprefixes[k];
2685: result = overwritten_check(formname,path,multiresp,submitter,subprefix);
2686: alloverwrites.push.apply(alloverwrites,result['overwrite']);
2687: alldelconfirm.push.apply(alldelconfirm,result['delete']);
2688: break;
2689: }
2690: }
2691: }
2692: if (submitter == '' || submitter == undefined) {
2693: for (var m=0; m<allprefixes.length; m++) {
2694: for (var n=0; n<allparts[allprefixes[m]].length; n++) {
2695: var result = overwritten_check(formname,path,multiresp,allparts[allprefixes[m]][n],allprefixes[m]);
2696: alloverwrites.push.apply(alloverwrites,result['overwrite']);
2697: alldelconfirm.push.apply(alldelconfirm,result['delete']);
2698: }
2699: }
2700: }
2701: }
2702: }
2703: if (alloverwrites.length > 0) {
2704: if (!confirm("$overwritewarn")) {
2705: for (var n=0; n<alloverwrites.length; n++) {
2706: formname.elements[alloverwrites[n]].value = "";
2707: }
2708: return false;
2709: }
2710: }
2711: if (alldelconfirm.length > 0) {
2712: if (!confirm("$delfilewarn")) {
2713: for (var p=0; p<alldelconfirm.length; p++) {
2714: formname.elements[alldelconfirm[p]].checked = false;
2715: }
2716: return false;
2717: }
2718: }
2719: return true;
2720: }
2721:
2722: function getIndexByName(formname,item) {
2723: for (var i=0;i<formname.elements.length;i++) {
2724: if (formname.elements[i].name == item) {
2725: return i;
2726: }
2727: }
2728: return -1;
2729: }
2730:
2731: function overwritten_check(formname,path,multiresp,part,prefix) {
2732: var result = [];
2733: result['overwrite'] = [];
2734: result['delete'] = [];
2735: var elemnum = formname.elements.length;
2736: if (elemnum == 0) {
2737: return result;
2738: }
2739: var uploadstr;
2740: var deletestr;
2741: if ((prefix != undefined) && (prefix != '')) {
2742: var prepend = prefix+'_';
2743: uploadstr = new RegExp("^"+prepend+"HWFILE"+part+".+\$");
2744: deletestr = new RegExp("^"+prepend+"HWFILE"+part+".+_\\\\d+_delete\$");
2745: multiresp = check_for_multiples(prepend);
2746: path = check_for_turninpath(prepend);
2747: } else {
2748: uploadstr = new RegExp("^HWFILE"+part+".+\$");
2749: deletestr = new RegExp("^HWFILE"+part+".+_\\\\d+_delete\$");
2750: }
2751: var alluploads = [];
2752: var allchecked = [];
2753: var allskipdel = [];
2754: var fnametrim = /[^\\/\\\\]+\$/;
2755: for (var i=0; i<formname.elements.length; i++) {
2756: var id = formname.elements[i].id;
2757: if (id != '') {
2758: if (uploadstr.test(id)) {
2759: if (formname.elements[i].type == 'file') {
2760: alluploads.push(id);
2761: } else {
2762: if (deletestr.test(id)) {
2763: if (formname.elements[i].type == 'checkbox') {
2764: if (formname.elements[i].checked) {
2765: allchecked.push(id);
2766: }
2767: }
2768: }
2769: }
2770: }
2771: }
2772: }
2773: for (var j=0; j<alluploads.length; j++) {
2774: var delstr = new RegExp("^"+alluploads[j]+"_\\\\d+_delete\$");
2775: var delboxes = [];
2776: for (var k=0; k<formname.elements.length; k++) {
2777: var id = formname.elements[k].id;
2778: if ((id != '') && (id != undefined)) {
2779: if (delstr.test(id)) {
2780: if (formname.elements[k].type == 'checkbox') {
2781: delboxes.push(id);
2782: }
2783: }
2784: }
2785: }
2786: if (delboxes.length > 0) {
2787: if ((formname.elements[alluploads[j]].value != undefined) &&
2788: (formname.elements[alluploads[j]].value != '')) {
2789: var filepath = formname.elements[alluploads[j]].value;
2790: var newfilename = fnametrim.exec(filepath);
2791: if (newfilename != null) {
2792: var filename = String(newfilename);
2793: var nospaces = filename.replace(/\\s+/g,'_');
2794: var nospecials = nospaces.replace(/[^\\/\\w\\.\\-]/g,'');
2795: var cleanfilename = nospecials.replace(/\\.(\\d+\\.)/g,"_\$1");
2796: if (cleanfilename != '') {
2797: var fullpath = path+"/"+cleanfilename;
2798: if (multiresp == 1) {
2799: var partid = String(alluploads[i]);
2800: var subdir = partid.replace(/^\\d*.?\\d*_?HWFILE/,'');
2801: if (subdir != "" && subdir != undefined) {
2802: fullpath = path+"/"+subdir+"/"+cleanfilename;
2803: }
2804: }
2805: for (var m=0; m<delboxes.length; m++) {
2806: if (fullpath == formname.elements[delboxes[m]].value) {
2807: if (formname.elements[delboxes[m]].checked) {
2808: allskipdel.push(delboxes[m]);
2809: } else {
2810: result['overwrite'].push(alluploads[j]);
2811: }
2812: break;
2813: }
2814: }
2815: }
2816: }
2817: }
2818: }
2819: }
2820: if (allchecked.length > 0) {
2821: if (allskipdel.length > 0) {
2822: for (var n=0; n<allchecked.length; n++) {
2823: if (allskipdel.indexOf(allchecked[n]) == -1) {
2824: result['delete'].push(allchecked[n]);
2825: }
2826: }
2827: } else {
2828: result['delete'].push.apply(result['delete'],allchecked);
2829: }
2830: }
2831: return result;
2832: }
2833:
2834: function check_for_multiples(prefix) {
2835: $multtext
2836: }
2837:
2838: function check_for_turninpath(prefix) {
2839: $turninpathtext
2840: }
2841:
2842: // ]]>
2843: </script>
2844:
1.292 raeburn 2845: $arrayindexofjs
2846:
1.291 raeburn 2847: ENDSCRIPT
2848: }
2849:
2850: ##############################################
2851: ##############################################
2852:
1.313 raeburn 2853: sub resize_scrollbox_js {
2854: my ($context,$tabidstr) = @_;
2855: my (%names,$paddingwfrac,$offsetwfrac,$offsetv,$minw,$minv);
2856: if ($context eq 'docs') {
2857: %names = (
2858: boxw => 'contenteditor',
2859: item => 'contentlist',
2860: header => 'uploadfileresult',
2861: scroll => 'contentscroll',
2862: boxh => 'contenteditor',
2863: );
2864: $paddingwfrac = 0.09;
2865: $offsetwfrac = 0.015;
2866: $offsetv = 20;
2867: $minw = 250;
2868: $minv = 200;
2869: } elsif ($context eq 'params') {
2870: %names = (
2871: boxw => 'parameditor',
2872: item => 'mapmenuinner',
2873: header => 'parmstep1',
2874: scroll => 'mapmenuscroll',
2875: boxh => 'parmlevel',
2876: );
2877: $paddingwfrac = 0.2;
2878: $offsetwfrac = 0.015;
2879: $offsetv = 80;
2880: $minw = 100;
2881: $minv = 100;
2882: }
2883: my $viewport_js = &Apache::loncommon::viewport_geometry_js();
2884: my $output = '
2885:
2886: window.onresize=callResize;
2887:
2888: ';
2889: if ($context eq 'docs') {
2890: $output .= '
2891: var activeTab;
2892: ';
2893: }
2894: $output .= <<"FIRST";
2895:
2896: $viewport_js
2897:
2898: function resize_scrollbox(scrollboxname,chkw,chkh) {
2899: var scrollboxid = 'div_'+scrollboxname;
2900: var scrolltableid = 'table_'+scrollboxname;
2901: var scrollbox;
2902: var scrolltable;
2903:
2904: if (document.getElementById("$names{'boxw'}") == null) {
2905: return;
2906: }
2907:
2908: if (document.getElementById(scrollboxid) == null) {
2909: return;
2910: } else {
2911: scrollbox = document.getElementById(scrollboxid);
2912: }
2913:
2914:
2915: if (document.getElementById(scrolltableid) == null) {
2916: return;
2917: } else {
2918: scrolltable = document.getElementById(scrolltableid);
2919: }
2920:
2921: init_geometry();
2922: var vph = Geometry.getViewportHeight();
2923: var vpw = Geometry.getViewportWidth();
2924:
2925: FIRST
2926: if ($context eq 'docs') {
2927: $output .= "
2928: var alltabs = ['$tabidstr'];
2929: ";
2930: } elsif ($context eq 'params') {
2931: $output .= "
2932: if (document.getElementById('$names{'boxh'}') == null) {
2933: return;
2934: }
2935: ";
2936: }
2937: $output .= <<"SECOND";
2938: var listwchange;
2939: if (chkw == 1) {
2940: var boxw = document.getElementById("$names{'boxw'}").offsetWidth;
2941: var itemw;
2942: var itemid = document.getElementById("$names{'item'}");
2943: if (itemid != null) {
2944: itemw = itemid.offsetWidth;
2945: }
2946: var itemwstart = itemw;
2947:
2948: var scrollboxw = scrollbox.offsetWidth;
2949: var scrollboxscrollw = scrollbox.scrollWidth;
2950:
2951: var offsetw = parseInt(vpw * $offsetwfrac);
2952: var paddingw = parseInt(vpw * $paddingwfrac);
2953:
2954: var minscrollboxw = $minw;
2955: var maxcolw = 0;
2956: SECOND
2957: if ($context eq 'docs') {
2958: $output .= <<"DOCSONE";
2959: var actabw = 0;
2960: for (var i=0; i<alltabs.length; i++) {
2961: if (activeTab == alltabs[i]) {
2962: actabw = document.getElementById(alltabs[i]).offsetWidth;
2963: if (actabw > maxcolw) {
2964: maxcolw = actabw;
2965: }
2966: } else {
2967: if (document.getElementById(alltabs[i]) != null) {
2968: var thistab = document.getElementById(alltabs[i]);
2969: thistab.style.visibility = 'hidden';
2970: thistab.style.display = 'block';
2971: var tabw = document.getElementById(alltabs[i]).offsetWidth;
2972: thistab.style.display = 'none';
2973: thistab.style.visibility = '';
2974: if (tabw > maxcolw) {
2975: maxcolw = tabw;
2976: }
2977: }
2978: }
2979: }
2980: DOCSONE
2981: } elsif ($context eq 'params') {
2982: $output .= <<"PARAMSONE";
2983: var parmlevelrows = new Array();
2984: var mapmenucells = new Array();
2985: parmlevelrows = document.getElementById("$names{'boxh'}").rows;
2986: var numrows = parmlevelrows.length;
2987: if (numrows > 1) {
2988: mapmenucells = parmlevelrows[2].getElementsByTagName('td');
2989: }
2990: maxcolw = mapmenucells[0].offsetWidth;
2991: PARAMSONE
2992: }
2993: $output .= <<"THIRD";
2994: if (maxcolw > 0) {
2995: var newscrollboxw;
2996: if (maxcolw+paddingw+scrollboxscrollw<boxw) {
2997: newscrollboxw = boxw-paddingw-maxcolw;
2998: if (newscrollboxw < minscrollboxw) {
2999: newscrollboxw = minscrollboxw;
3000: }
3001: scrollbox.style.width = newscrollboxw+"px";
3002: if (newscrollboxw != scrollboxw) {
3003: var newitemw = newscrollboxw-offsetw;
3004: itemid.style.width = newitemw+"px";
3005: }
3006: } else {
3007: newscrollboxw = boxw-paddingw-maxcolw;
3008: if (newscrollboxw < minscrollboxw) {
3009: newscrollboxw = minscrollboxw;
3010: }
3011: scrollbox.style.width = newscrollboxw+"px";
3012: if (newscrollboxw != scrollboxw) {
3013: var newitemw = newscrollboxw-offsetw;
3014: itemid.style.width = newitemw+"px";
3015: }
3016: }
3017:
3018: if (newscrollboxw != scrollboxw) {
3019: var newscrolltablew = newscrollboxw+offsetw;
3020: scrolltable.style.width = newscrolltablew+"px";
3021: }
3022: }
3023:
3024: if (itemid.offsetWidth != itemwstart) {
3025: listwchange = 1;
3026: }
3027: }
3028: if ((chkh == 1) || (listwchange)) {
3029: var primaryheight = document.getElementById('LC_nav_bar').offsetHeight;
3030: var secondaryheight = document.getElementById('LC_secondary_menu').offsetHeight;
3031: var crumbsheight = document.getElementById('LC_breadcrumbs').offsetHeight;
3032: var dccidheight = 0;
3033: if (document.getElementById('dccid') != null) {
3034: dccidheight = document.getElementById('dccid').offsetHeight;
3035: }
3036: var headerheight = 0;
3037: if (document.getElementById("$names{'header'}") != null) {
3038: headerheight = document.getElementById("$names{'header'}").offsetHeight;
3039: }
3040: var tabbedheight = document.getElementById("tabbededitor").offsetHeight;
3041: var boxheight = document.getElementById("$names{'boxh'}").offsetHeight;
3042: var freevspace = vph-(primaryheight+secondaryheight+crumbsheight+dccidheight+headerheight+tabbedheight+boxheight);
3043:
3044: var scrollboxheight = scrollbox.offsetHeight;
3045: var scrollboxscrollheight = scrollbox.scrollHeight;
3046:
3047: var minvscrollbox = $minv;
3048: var offsetv = $offsetv;
3049: var newscrollboxheight;
3050: if (freevspace < 0) {
3051: newscrollboxheight = scrollboxheight+freevspace-offsetv;
3052: if (newscrollboxheight < minvscrollbox) {
3053: newscrollboxheight = minvscrollbox;
3054: }
3055: scrollbox.style.height = newscrollboxheight + "px";
3056: } else {
3057: if (scrollboxscrollheight > scrollboxheight) {
3058: if (freevspace > offsetv) {
3059: newscrollboxheight = scrollboxheight+freevspace-offsetv;
3060: if (newscrollboxheight < minvscrollbox) {
3061: newscrollboxheight = minvscrollbox;
3062: }
3063: scrollbox.style.height = newscrollboxheight+"px";
3064: }
3065: }
3066: }
3067: scrollboxheight = scrollbox.offsetHeight;
3068: var itemh = document.getElementById("$names{'item'}").offsetHeight;
3069:
3070: if (scrollboxscrollheight <= scrollboxheight) {
3071: if ((itemh+offsetv)<scrollboxheight) {
3072: newscrollheight = itemh+offsetv;
3073: scrollbox.style.height = newscrollheight+"px";
3074: }
3075: }
3076: }
3077: return;
3078: }
3079:
3080: function callResize() {
3081: var timer;
3082: clearTimeout(timer);
3083: timer=setTimeout('resize_scrollbox("$names{'scroll'}","1","1")',500);
3084: }
3085:
1.329 raeburn 3086: THIRD
1.313 raeburn 3087: return $output;
3088: }
3089:
1.328 raeburn 3090: ##############################################
3091: ##############################################
3092:
3093: sub javascript_jumpto_resource {
3094: my $confirm_switch = &mt("Editing requires switching to the resource's home server.").'\n'.
3095: &mt('Switch server?');
3096: return (<<ENDUTILITY)
3097:
3098: function go(url) {
3099: if (url!='' && url!= null) {
3100: currentURL = null;
3101: currentSymb= null;
3102: window.location.href=url;
3103: }
3104: }
3105:
3106: function need_switchserver(url) {
3107: if (url!='' && url!= null) {
3108: if (confirm("$confirm_switch")) {
3109: go(url);
3110: }
3111: }
3112: return;
3113: }
3114:
3115: ENDUTILITY
3116:
3117: }
3118:
3119: sub jump_to_editres {
1.332 raeburn 3120: my ($cfile,$home,$switchserver,$forceedit,$forcereg,$symb,$folderpath,
3121: $title,$idx,$suppurl) = @_;
1.328 raeburn 3122: my $jscall;
3123: if ($switchserver) {
1.332 raeburn 3124: if ($home) {
1.328 raeburn 3125: $cfile = '/adm/switchserver?otherserver='.$home.'&role='.
1.332 raeburn 3126: &HTML::Entities::encode($env{'request.role'},'"<>&');
3127: if ($symb) {
3128: $cfile .= '&symb='.&HTML::Entities::encode($symb,'"<>&');
3129: } elsif ($folderpath) {
3130: $cfile .= '&folderpath='.&HTML::Entities::encode($folderpath,'"<>&');
3131: }
1.330 raeburn 3132: if ($forceedit) {
1.328 raeburn 3133: $cfile .= '&forceedit=1';
3134: }
1.330 raeburn 3135: if ($forcereg) {
3136: $cfile .= '&register=1';
3137: }
1.328 raeburn 3138: $jscall = "need_switchserver('$cfile');";
3139: }
3140: } else {
1.330 raeburn 3141: unless ($cfile =~ m{^/priv/}) {
3142: if ($symb) {
1.332 raeburn 3143: $cfile .= (($cfile=~/\?/)?'&':'?')."symb=$symb";
3144: } elsif ($folderpath) {
3145: $cfile .= (($cfile=~/\?/)?'&':'?').
3146: 'folderpath='.&HTML::Entities::encode(&escape($folderpath),'"<>&');
3147: if ($title) {
3148: $cfile .= (($cfile=~/\?/)?'&':'?').
3149: 'title='.&HTML::Entities::encode(&escape($title),'"<>&');
3150: }
3151: if ($idx) {
3152: $cfile .= (($cfile=~/\?/)?'&':'?').'idx='.$idx;
3153: }
3154: if ($suppurl) {
3155: $cfile .= (($cfile=~/\?/)?'&':'?').
3156: 'suppurl='.&HTML::Entities::encode(&escape($suppurl));
3157: }
1.330 raeburn 3158: }
3159: if ($forceedit) {
3160: $cfile .= (($cfile=~/\?/)?'&':'?').'forceedit=1';
3161: }
3162: if ($forcereg) {
3163: $cfile .= (($cfile=~/\?/)?'&':'?').'register=1';
3164: }
1.328 raeburn 3165: }
3166: $jscall = "go('$cfile')";
3167: }
3168: return $jscall;
3169: }
1.313 raeburn 3170:
3171: ##############################################
3172: ##############################################
3173:
1.158 raeburn 3174: # javascript_valid_email
3175: #
3176: # Generates javascript to validate an e-mail address.
3177: # Returns a javascript function which accetps a form field as argumnent, and
3178: # returns false if field.value does not satisfy two regular expression matches
3179: # for a valid e-mail address. Backwards compatible with old browsers without
3180: # support for javascript RegExp (just checks for @ in field.value in this case).
3181:
3182: sub javascript_valid_email {
3183: my $scripttag .= <<'END';
3184: function validmail(field) {
3185: var str = field.value;
3186: if (window.RegExp) {
3187: var reg1str = "(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)";
3188: var reg2str = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$"; //"
3189: var reg1 = new RegExp(reg1str);
3190: var reg2 = new RegExp(reg2str);
3191: if (!reg1.test(str) && reg2.test(str)) {
3192: return true;
3193: }
3194: return false;
3195: }
3196: else
3197: {
3198: if(str.indexOf("@") >= 0) {
3199: return true;
3200: }
3201: return false;
3202: }
3203: }
3204: END
3205: return $scripttag;
3206: }
3207:
1.219 droeschl 3208:
3209: # USAGE: htmltag(element, content, {attribute => value,...});
3210: #
3211: # EXAMPLES:
3212: # - htmltag('a', 'this is an anchor', {href => 'www.example.com',
3213: # title => 'this is a title'})
3214: #
3215: # - You might want to set up needed tags like:
3216: #
3217: # my $h3 = sub { return htmltag( "h3", @_ ) };
3218: #
3219: # ... and use them: $h3->("This is a headline")
3220: #
3221: # - To set up a couple of tags, see sub inittags
3222: #
3223: # NOTES:
3224: # - Empty elements, such as <br/> are correctly terminated,
3225: # i.e. htmltag('br') returns <br/>
3226: # - Empty attributes (title="") are filtered out.
3227: # - The function will not check for deprecated attributes.
3228: #
3229: # OUTPUT: content enclosed in xhtml conform tags
3230: sub htmltag{
3231: return
3232: qq|<$_[0]|
3233: . join( '', map { qq| $_="${$_[2]}{$_}"| if ${$_[2]}{$_} } keys %{ $_[2] } )
3234: . ($_[1] ? qq|>$_[1]</$_[0]>| : qq|/>|). "\n";
3235: };
3236:
3237:
3238: # USAGE: inittags(@tags);
3239: #
3240: # EXAMPLES:
1.261 droeschl 3241: # - my ($h1, $h2, $h3) = inittags( qw( h1 h2 h3 ) )
1.219 droeschl 3242: # $h1->("This is a headline") #Returns: <h1>This is a headline</h1>
3243: #
3244: # NOTES: See sub htmltag for further information.
3245: #
3246: # OUTPUT: List of subroutines.
3247: sub inittags {
3248: my @tags = @_;
3249: return map { my $tag = $_;
3250: sub { return htmltag( $tag, @_ ) }
3251: } @tags;
3252: }
3253:
3254:
1.231 droeschl 3255: # USAGE: scripttag(scriptcode, [start|end|both]);
1.229 droeschl 3256: #
3257: # EXAMPLES:
1.231 droeschl 3258: # - scripttag("alert('Hello World!')", 'both')
3259: # returns:
3260: # <script type="text/javascript">
3261: # // BEGIN LON-CAPA Internal
3262: # alert(Hello World!')
3263: # // END LON-CAPA Internal
3264: # </script>
1.229 droeschl 3265: #
3266: # NOTES:
3267: # - works currently only for javascripts
3268: #
1.231 droeschl 3269: # OUTPUT:
3270: # Scriptcode properly enclosed in <script> and CDATA tags (and LC
3271: # Internal markers if 2nd argument is given)
1.229 droeschl 3272: sub scripttag {
1.231 droeschl 3273: my ( $content, $marker ) = @_;
3274: return unless defined $content;
3275:
3276: my $begin = "\n// BEGIN LON-CAPA Internal\n";
3277: my $end = "\n// END LON-CAPA Internal\n";
3278:
3279: if ($marker) {
3280: $content = $begin . $content if $marker eq 'start' or $marker eq 'both';
3281: $content .= $end if $marker eq 'end' or $marker eq 'both';
3282: }
3283:
1.229 droeschl 3284: $content = "\n// <![CDATA[\n$content\n// ]]>\n";
1.231 droeschl 3285:
3286: return htmltag('script', $content, {type => 'text/javascript'});
1.229 droeschl 3287: };
3288:
1.309 raeburn 3289: =pod
1.229 droeschl 3290:
1.309 raeburn 3291: =item &list_from_array( \@array, { listattr =>{}, itemattr =>{} } )
1.261 droeschl 3292:
3293: Constructs a XHTML list from \@array.
3294:
3295: input:
3296:
3297: =over
3298:
3299: =item \@array
3300:
3301: A reference to the array containing text that will be wrapped in <li></li> tags.
3302:
3303: =item { listattr => {}, itemattr =>{} }
3304:
3305: Attributes for <ul> and <li> passed in as hash references.
3306: See htmltag() for more details.
3307:
3308: =back
3309:
3310: returns: XHTML list as String.
3311:
3312: =cut
3313:
3314: # \@items, {listattr => { class => 'abc', id => 'xyx' }, itemattr => {class => 'abc', id => 'xyx'}}
3315: sub list_from_array {
3316: my ($items, $args) = @_;
1.285 raeburn 3317: return unless (ref($items) eq 'ARRAY');
1.273 droeschl 3318: return unless scalar @$items;
1.261 droeschl 3319: my ($ul, $li) = inittags( qw(ul li) );
3320: my $listitems = join '', map { $li->($_, $args->{itemattr}) } @$items;
3321: return $ul->( $listitems, $args->{listattr} );
3322: }
3323:
3324:
1.183 droeschl 3325: ##############################################
3326: ##############################################
3327:
3328: # generate_menu
3329: #
3330: # Generates html markup for a menu.
3331: #
3332: # Inputs:
3333: # An array of following structure:
3334: # ({ categorytitle => 'Categorytitle',
3335: # items => [
1.201 droeschl 3336: # {
3337: # linktext => 'Text to be displayed',
3338: # url => 'URL the link is pointing to, i.e. /adm/site?action=dosomething',
1.183 droeschl 3339: # permission => 'Contains permissions as returned from lonnet::allowed(),
1.201 droeschl 3340: # must evaluate to true in order to activate the link',
1.184 droeschl 3341: # icon => 'icon filename',
1.186 droeschl 3342: # alttext => 'alt text for the icon',
1.183 droeschl 3343: # help => 'Name of the corresponding helpfile',
3344: # linktitle => 'Description of the link (used for title tag)'
3345: # },
3346: # ...
3347: # ]
3348: # },
3349: # ...
3350: # )
3351: #
3352: # Outputs: A scalar containing the html markup for the menu.
3353:
3354: sub generate_menu {
3355: my @menu = @_;
1.201 droeschl 3356: # subs for specific html elements
1.219 droeschl 3357: my ($h3, $div, $ul, $li, $a, $img) = inittags( qw(h3 div ul li a img) );
1.201 droeschl 3358:
3359: my @categories; # each element represents the entire markup for a category
3360:
3361: foreach my $category (@menu) {
3362: my @links; # contains the links for the current $category
3363: foreach my $link (@{$$category{items}}) {
3364: next unless $$link{permission};
3365:
3366: # create the markup for the current $link and push it into @links.
3367: # each entry consists of an image and a text optionally followed
3368: # by a help link.
1.283 raeburn 3369: my $src;
3370: if ($$link{icon} ne '') {
3371: $src = '/res/adm/pages/'.$$link{icon};
3372: }
1.232 raeburn 3373: push(@links,$li->(
1.201 droeschl 3374: $a->(
3375: $img->("", {
3376: class => "LC_noBorder LC_middle",
1.283 raeburn 3377: src => $src,
1.202 droeschl 3378: alt => mt(defined($$link{alttext}) ?
3379: $$link{alttext} : $$link{linktext})
1.201 droeschl 3380: }), {
3381: href => $$link{url},
1.308 raeburn 3382: title => mt($$link{linktitle}),
3383: class => 'LC_menubuttons_link'
1.201 droeschl 3384: }).
1.202 droeschl 3385: $a->(mt($$link{linktext}), {
1.201 droeschl 3386: href => $$link{url},
1.202 droeschl 3387: title => mt($$link{linktitle}),
1.201 droeschl 3388: class => "LC_menubuttons_link"
3389: }).
3390: (defined($$link{help}) ?
3391: Apache::loncommon::help_open_topic($$link{help}) : ''),
1.232 raeburn 3392: {class => "LC_menubuttons_inline_text"}));
1.201 droeschl 3393: }
3394:
3395: # wrap categorytitle in <h3>, concatenate with
3396: # joined and in <ul> tags wrapped @links
3397: # and wrap everything in an enclosing <div> and push it into
3398: # @categories
3399: # such that each element looks like:
3400: # <div><h3>title</h3><ul><li>...</li>...</ul></div>
3401: # the category won't be added if there aren't any links
1.232 raeburn 3402: push(@categories,
1.202 droeschl 3403: $div->($h3->(mt($$category{categorytitle}), {class=>"LC_hcell"}).
1.201 droeschl 3404: $ul->(join('' ,@links), {class =>"LC_ListStyleNormal" }),
1.232 raeburn 3405: {class=>"LC_Box LC_400Box"})) if scalar(@links);
1.183 droeschl 3406: }
1.201 droeschl 3407:
3408: # wrap the joined @categories in another <div> (column layout)
3409: return $div->(join('', @categories), {class => "LC_columnSection"});
1.183 droeschl 3410: }
1.176 foxr 3411:
1.224 bisitz 3412: ##############################################
3413: ##############################################
3414:
3415: =pod
3416:
1.309 raeburn 3417: =item &start_funclist()
1.224 bisitz 3418:
3419: Start list of available functions
3420:
3421: Typically used to offer a simple list of available functions
3422: at top or bottom of page.
3423: All available functions/actions for the current page
3424: should be included in this list.
3425:
3426: If the optional headline text is not provided, a default text will be used.
3427:
3428:
3429: Related routines:
3430: =over 4
3431: add_item_funclist
3432: end_funclist
3433: =back
3434:
3435:
3436: Inputs: (optional) headline text
3437:
3438: Returns: HTML code with function list start
3439:
3440: =cut
3441:
3442: ##############################################
3443: ##############################################
3444:
3445: sub start_funclist {
3446: my($legendtext)=@_;
3447: $legendtext=&mt('Functions') if !$legendtext;
1.244 droeschl 3448: return '<ul class="LC_funclist"><li style="font-weight:bold; margin-left:0.8em;">'.$legendtext.'</li>'."\n";
1.224 bisitz 3449: }
3450:
3451:
3452: ##############################################
3453: ##############################################
3454:
3455: =pod
3456:
1.309 raeburn 3457: =item &add_item_funclist()
1.224 bisitz 3458:
3459: Adds an item to the list of available functions
3460:
3461: Related routines:
3462: =over 4
3463: start_funclist
3464: end_funclist
3465: =back
3466:
3467: Inputs: content item with text and link to function
3468:
3469: Returns: HTML code with list item for funclist
3470:
3471: =cut
3472:
3473: ##############################################
3474: ##############################################
3475:
3476: sub add_item_funclist {
3477: my($content) = @_;
3478: return '<li>'.$content.'</li>'."\n";
3479: }
3480:
3481: =pod
3482:
1.309 raeburn 3483: =item &end_funclist()
1.224 bisitz 3484:
3485: End list of available functions
3486:
3487: Related routines:
3488: =over 4
3489: start_funclist
3490: add_item_funclist
3491: =back
3492:
3493: Inputs: ./.
3494:
3495: Returns: HTML code with function list end
3496: =cut
3497:
3498: sub end_funclist {
1.246 bisitz 3499: return "</ul>\n";
1.224 bisitz 3500: }
3501:
1.261 droeschl 3502: =pod
3503:
1.309 raeburn 3504: =item &funclist_from_array( \@array, {legend => 'text for legend'} )
1.261 droeschl 3505:
3506: Constructs a XHTML list from \@array with the first item being visually
3507: highlighted and set to the value of legend or 'Functions' if legend is
3508: empty.
3509:
3510: =over
3511:
3512: =item \@array
3513:
3514: A reference to the array containing text that will be wrapped in <li></li> tags.
3515:
3516: =item { legend => 'text' }
3517:
3518: A string that's used as visually highlighted first item. 'Functions' is used if
3519: it's value evaluates to false.
3520:
3521: =back
3522:
3523: returns: XHTML list as string.
3524:
3525: =back
3526:
3527: =cut
3528:
3529: sub funclist_from_array {
3530: my ($items, $args) = @_;
1.285 raeburn 3531: return unless(ref($items) eq 'ARRAY');
1.261 droeschl 3532: $args->{legend} ||= mt('Functions');
3533: return list_from_array( [$args->{legend}, @$items],
3534: { listattr => {class => 'LC_funclist'} });
3535: }
3536:
1.335 ! bisitz 3537: =pod
! 3538:
! 3539: =item &actionbox( \@array )
! 3540:
! 3541: Constructs a XHTML list from \@array with the first item being visually
! 3542: highlighted and set to the value 'Actions'. The list is wrapped in a division.
! 3543:
! 3544: The actionlist is used to offer contextual actions, mostly at the bottom
! 3545: of a page, on which the outcome of an processed action is shown,
! 3546: e.g. a file operation in Construction Space.
! 3547:
! 3548: =over
! 3549:
! 3550: =item \@array
! 3551:
! 3552: A reference to the array containing text. Details: sub funclist_from_array
! 3553:
! 3554: =back
! 3555:
! 3556: Returns: XHTML div as string.
! 3557:
! 3558: =back
! 3559:
! 3560: =cut
! 3561:
! 3562: sub actionbox {
! 3563: my ($items) = @_;
! 3564: return unless(ref($items) eq 'ARRAY');
! 3565: return
! 3566: '<div class="LC_actionbox">'
! 3567: .&funclist_from_array($items, {legend => &mt('Actions')})
! 3568: .'</div>';
! 3569: }
! 3570:
1.1 stredwic 3571: 1;
1.23 matthew 3572:
1.1 stredwic 3573: __END__
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