Annotation of loncom/interface/lonhtmlcommon.pm, revision 1.325
1.2 www 1: # The LearningOnline Network with CAPA
2: # a pile of common html routines
3: #
1.325 ! foxr 4: # $Id: lonhtmlcommon.pm,v 1.324 2012/09/24 10:47:26 foxr Exp $
1.2 www 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.10 matthew 28: ######################################################################
29: ######################################################################
30:
31: =pod
32:
33: =head1 NAME
34:
35: Apache::lonhtmlcommon - routines to do common html things
36:
37: =head1 SYNOPSIS
38:
39: Referenced by other mod_perl Apache modules.
40:
41: =head1 INTRODUCTION
42:
43: lonhtmlcommon is a collection of subroutines used to present information
44: in a consistent html format, or provide other functionality related to
45: html.
46:
47: =head2 General Subroutines
48:
49: =over 4
50:
51: =cut
52:
53: ######################################################################
54: ######################################################################
1.2 www 55:
1.1 stredwic 56: package Apache::lonhtmlcommon;
57:
1.104 albertel 58: use strict;
1.10 matthew 59: use Time::Local;
1.47 sakharuk 60: use Time::HiRes;
1.30 www 61: use Apache::lonlocal;
1.104 albertel 62: use Apache::lonnet;
1.286 www 63: use HTML::Entities();
1.130 www 64: use LONCAPA;
1.1 stredwic 65:
1.284 www 66: sub java_not_enabled {
67: return "\n".'<span class="LC_error">'.
68: &mt('The required Java applet could not be started. Please make sure to have Java installed and active in your browser.').
69: "</span>\n";
70: }
1.247 www 71:
72: sub coursepreflink {
73: my ($text,$category)=@_;
74: if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) {
1.296 www 75: return '<a target="_top" href="'.&HTML::Entities::encode("/adm/courseprefs?phase=display&actions=$category",'<>&"').'"><span class="LC_setting">'.$text.'</span></a>';
1.247 www 76: } else {
77: return '';
78: }
79: }
80:
1.253 www 81: sub raw_href_to_link {
82: my ($message)=@_;
1.264 faziophi 83: $message=~s/(https?\:\/\/[^\s\'\"\<]+)([\s\<]|$)/<a href="$1"><tt>$1<\/tt><\/a>$2/gi;
1.253 www 84: return $message;
85: }
86:
1.286 www 87: sub entity_encode {
88: my ($text)=@_;
89: return &HTML::Entities::encode($text, '<>&"');
90: }
91:
92: sub direct_parm_link {
93: my ($linktext,$symb,$filter,$part,$target)=@_;
94: $symb=&entity_encode($symb);
95: $filter=&entity_encode($filter);
96: $part=&entity_encode($part);
97: if (($symb) && (&Apache::lonnet::allowed('opa')) && ($target ne 'tex')) {
1.315 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 {
1.319 raeburn 212: my ($symb,$title,$url) = @_;
1.309 raeburn 213: my $link = '/adm/dependencies?symb='.&HTML::Entities::encode($symb,'<>&"').
1.319 raeburn 214: '&title='.&HTML::Entities::encode($title,'<>&"').
215: '&url='.&HTML::Entities::encode($url,'<>&"');
1.309 raeburn 216: return <<ENDJS;
217: <script type="text/javascript">
218: // <![CDATA[
219: function dependencycheck() {
220: depwin = window.open("$link","","width=750,height=500,resizable,scrollbars=yes");
221: }
222: // ]]>
223: </script>
224: ENDJS
225: }
1.182 foxr 226:
1.40 www 227: ##############################################
228: ##############################################
229:
230: =pod
231:
1.309 raeburn 232: =item &authorbombs()
1.40 www 233:
234: =cut
235:
236: ##############################################
237: ##############################################
238:
239: sub authorbombs {
240: my $url=shift;
241: $url=&Apache::lonnet::declutter($url);
1.155 albertel 242: my ($udom,$uname)=($url=~m{^($LONCAPA::domain_re)/($LONCAPA::username_re)/});
1.40 www 243: my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom);
1.232 raeburn 244: foreach my $bomb (keys(%bombs)) {
245: if ($bomb =~ /^$udom\/$uname\//) {
1.40 www 246: return '<a href="/adm/bombs/'.$url.
1.218 bisitz 247: '"><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/bomb.gif').'" alt="'.&mt('Bomb').'" border="0" /></a>'.
1.40 www 248: &Apache::loncommon::help_open_topic('About_Bombs');
249: }
250: }
251: return '';
252: }
1.26 matthew 253:
254: ##############################################
255: ##############################################
256:
1.41 www 257: sub recent_filename {
258: my $area=shift;
1.130 www 259: return 'nohist_recent_'.&escape($area);
1.41 www 260: }
261:
262: sub store_recent {
1.136 albertel 263: my ($area,$name,$value,$freeze)=@_;
1.41 www 264: my $file=&recent_filename($area);
265: my %recent=&Apache::lonnet::dump($file);
1.111 www 266: if (scalar(keys(%recent))>20) {
1.41 www 267: # remove oldest value
1.136 albertel 268: my $oldest=time();
1.41 www 269: my $delkey='';
1.136 albertel 270: foreach my $item (keys(%recent)) {
271: my $thistime=(split(/\&/,$recent{$item}))[0];
272: if (($thistime ne "always_include") && ($thistime<$oldest)) {
1.41 www 273: $oldest=$thistime;
1.136 albertel 274: $delkey=$item;
1.41 www 275: }
276: }
277: &Apache::lonnet::del($file,[$delkey]);
278: }
279: # store new value
1.136 albertel 280: my $timestamp;
281: if ($freeze) {
282: $timestamp = "always_include";
283: } else {
284: $timestamp = time();
285: }
1.41 www 286: &Apache::lonnet::put($file,{ $name =>
1.136 albertel 287: $timestamp.'&'.&escape($value) });
1.41 www 288: }
289:
1.89 banghart 290: sub remove_recent {
291: my ($area,$names)=@_;
292: my $file=&recent_filename($area);
293: return &Apache::lonnet::del($file,$names);
294: }
295:
1.41 www 296: sub select_recent {
297: my ($area,$fieldname,$event)=@_;
298: my %recent=&Apache::lonnet::dump(&recent_filename($area));
299: my $return="\n<select name='$fieldname'".
1.96 albertel 300: ($event?" onchange='$event'":'').
1.41 www 301: ">\n<option value=''>--- ".&mt('Recent')." ---</option>";
1.136 albertel 302: foreach my $value (sort(keys(%recent))) {
303: unless ($value =~/^error\:/) {
304: my $escaped = &Apache::loncommon::escape_url($value);
1.160 albertel 305: &Apache::loncommon::inhibit_menu_check(\$escaped);
1.251 raeburn 306: if ($area eq 'residx') {
307: next if ((!&Apache::lonnet::allowed('bre',$value)) && (!&Apache::lonnet::allowed('bro',$value)));
308: }
1.94 foxr 309: $return.="\n<option value='$escaped'>".
1.136 albertel 310: &unescape((split(/\&/,$recent{$value}))[1]).
1.41 www 311: '</option>';
312: }
313: }
314: $return.="\n</select>\n";
315: return $return;
316: }
317:
1.97 albertel 318: sub get_recent {
319: my ($area, $n) = @_;
320: my %recent=&Apache::lonnet::dump(&recent_filename($area));
321:
322: # Create hash with key as time and recent as value
1.136 albertel 323: # Begin filling return_hash with any 'always_include' option
1.97 albertel 324: my %time_hash = ();
1.136 albertel 325: my %return_hash = ();
1.232 raeburn 326: foreach my $item (keys(%recent)) {
1.136 albertel 327: my ($thistime,$thisvalue)=(split(/\&/,$recent{$item}));
328: if ($thistime eq 'always_include') {
329: $return_hash{$item} = &unescape($thisvalue);
330: $n--;
331: } else {
332: $time_hash{$thistime} = $item;
1.133 albertel 333: }
1.97 albertel 334: }
335:
336: # Sort by decreasing time and return key value pairs
337: my $idx = 1;
1.136 albertel 338: foreach my $item (reverse(sort(keys(%time_hash)))) {
339: $return_hash{$time_hash{$item}} =
340: &unescape((split(/\&/,$recent{$time_hash{$item}}))[1]);
1.97 albertel 341: if ($n && ($idx++ >= $n)) {last;}
342: }
343:
344: return %return_hash;
345: }
346:
1.136 albertel 347: sub get_recent_frozen {
348: my ($area) = @_;
349: my %recent=&Apache::lonnet::dump(&recent_filename($area));
350:
351: # Create hash with all 'frozen' items
352: my %return_hash = ();
353: foreach my $item (keys(%recent)) {
354: my ($thistime,$thisvalue)=(split(/\&/,$recent{$item}));
355: if ($thistime eq 'always_include') {
356: $return_hash{$item} = &unescape($thisvalue);
357: }
358: }
359: return %return_hash;
360: }
361:
1.97 albertel 362:
1.41 www 363:
1.26 matthew 364: =pod
365:
1.309 raeburn 366: =item &textbox()
1.26 matthew 367:
368: =cut
369:
370: ##############################################
371: ##############################################
372: sub textbox {
373: my ($name,$value,$size,$special) = @_;
374: $size = 40 if (! defined($size));
1.128 albertel 375: $value = &HTML::Entities::encode($value,'<>&"');
1.26 matthew 376: my $Str = '<input type="text" name="'.$name.'" size="'.$size.'" '.
377: 'value="'.$value.'" '.$special.' />';
378: return $Str;
379: }
380:
381: ##############################################
382: ##############################################
383:
384: =pod
385:
1.309 raeburn 386: =item &checkbox()
1.26 matthew 387:
388: =cut
389:
390: ##############################################
391: ##############################################
392: sub checkbox {
1.68 matthew 393: my ($name,$checked,$value) = @_;
394: my $Str = '<input type="checkbox" name="'.$name.'" ';
395: if (defined($value)) {
396: $Str .= 'value="'.$value.'"';
397: }
398: if ($checked) {
1.206 bisitz 399: $Str .= ' checked="checked"';
1.68 matthew 400: }
401: $Str .= ' />';
1.26 matthew 402: return $Str;
403: }
404:
1.120 albertel 405:
406: =pod
407:
1.309 raeburn 408: =item &radiobutton()
1.120 albertel 409:
410: =cut
411:
412: ##############################################
413: ##############################################
414: sub radio {
415: my ($name,$checked,$value) = @_;
416: my $Str = '<input type="radio" name="'.$name.'" ';
417: if (defined($value)) {
418: $Str .= 'value="'.$value.'"';
419: }
420: if ($checked eq $value) {
1.206 bisitz 421: $Str .= ' checked="checked"';
1.120 albertel 422: }
423: $Str .= ' />';
424: return $Str;
425: }
426:
1.10 matthew 427: ##############################################
428: ##############################################
429:
430: =pod
431:
1.309 raeburn 432: =item &date_setter()
1.10 matthew 433:
1.22 matthew 434: &date_setter returns html and javascript for a compact date-setting form.
1.309 raeburn 435: To retrieve values from it, use &get_date_from_form.
1.22 matthew 436:
1.10 matthew 437: Inputs
438:
439: =over 4
440:
441: =item $dname
442:
443: The name to prepend to the form elements.
444: The form elements defined will be dname_year, dname_month, dname_day,
445: dname_hour, dname_min, and dname_sec.
446:
447: =item $currentvalue
448:
449: The current setting for this time parameter. A unix format time
450: (time in seconds since the beginning of Jan 1st, 1970, GMT.
1.257 faziophi 451: An undefined value is taken to indicate the value is the current time
452: unless it is requested to leave it empty. See $includeempty.
1.10 matthew 453: Also, to be explicit, a value of 'now' also indicates the current time.
454:
1.26 matthew 455: =item $special
456:
457: Additional html/javascript to be associated with each element in
458: the date_setter. See lonparmset for example usage.
459:
1.59 matthew 460: =item $includeempty
461:
1.257 faziophi 462: If it is set (true) and no date/time value is provided,
463: the date/time fields are left empty.
464:
1.59 matthew 465: =item $state
466:
467: Specifies the initial state of the form elements. Either 'disabled' or empty.
468: Defaults to empty, which indiciates the form elements are not disabled.
469:
1.22 matthew 470: =back
471:
472: Bugs
473:
474: The method used to restrict user input will fail in the year 2400.
475:
1.10 matthew 476: =cut
477:
478: ##############################################
479: ##############################################
480: sub date_setter {
1.67 matthew 481: my ($formname,$dname,$currentvalue,$special,$includeempty,$state,
1.134 raeburn 482: $no_hh_mm_ss,$defhour,$defmin,$defsec,$nolink) = @_;
1.175 raeburn 483: my $now = time;
1.257 faziophi 484:
485: my $tzname;
486: my ($sec,$min,$hour,$mday,$month,$year) = ('', '', undef,''.''.'');
487: #other potentially useful values: wkday,yrday,is_daylight_savings
488:
1.59 matthew 489: if (! defined($state) || $state ne 'disabled') {
490: $state = '';
491: }
1.67 matthew 492: if (! defined($no_hh_mm_ss)) {
493: $no_hh_mm_ss = 0;
494: }
1.110 www 495: if ($currentvalue eq 'now') {
1.257 faziophi 496: $currentvalue = $now;
1.110 www 497: }
1.257 faziophi 498:
499: # Default value: Set empty date field to current time
500: # unless empty inclusion is requested
501: if ((!$includeempty) && (!$currentvalue)) {
502: $currentvalue = $now;
1.10 matthew 503: }
1.257 faziophi 504: # Do we have a date? Split it!
1.39 www 505: if ($currentvalue) {
1.257 faziophi 506: ($tzname,$sec,$min,$hour,$mday,$month,$year) = &get_timedates($currentvalue);
507:
508: #No values provided for hour, min, sec? Use default 0
509: if (($defhour) || ($defmin) || ($defsec)) {
510: $sec = ($defsec ? $defsec : 0);
511: $min = ($defmin ? $defmin : 0);
512: $hour = ($defhour ? $defhour : 0);
513: }
1.107 www 514: }
1.10 matthew 515: my $result = "\n<!-- $dname date setting form -->\n";
516: $result .= <<ENDJS;
1.135 albertel 517: <script type="text/javascript">
1.218 bisitz 518: // <![CDATA[
1.10 matthew 519: function $dname\_checkday() {
520: var day = document.$formname.$dname\_day.value;
521: var month = document.$formname.$dname\_month.value;
522: var year = document.$formname.$dname\_year.value;
523: var valid = true;
524: if (day < 1) {
525: document.$formname.$dname\_day.value = 1;
526: }
527: if (day > 31) {
528: document.$formname.$dname\_day.value = 31;
529: }
530: if ((month == 1) || (month == 3) || (month == 5) ||
531: (month == 7) || (month == 8) || (month == 10) ||
532: (month == 12)) {
533: if (day > 31) {
534: document.$formname.$dname\_day.value = 31;
535: day = 31;
536: }
537: } else if (month == 2 ) {
538: if ((year % 4 == 0) && (year % 100 != 0)) {
539: if (day > 29) {
540: document.$formname.$dname\_day.value = 29;
541: }
542: } else if (day > 29) {
543: document.$formname.$dname\_day.value = 28;
544: }
545: } else if (day > 30) {
546: document.$formname.$dname\_day.value = 30;
547: }
548: }
1.95 matthew 549:
1.59 matthew 550: function $dname\_disable() {
551: document.$formname.$dname\_month.disabled=true;
552: document.$formname.$dname\_day.disabled=true;
553: document.$formname.$dname\_year.disabled=true;
554: document.$formname.$dname\_hour.disabled=true;
555: document.$formname.$dname\_minute.disabled=true;
556: document.$formname.$dname\_second.disabled=true;
557: }
558:
559: function $dname\_enable() {
560: document.$formname.$dname\_month.disabled=false;
561: document.$formname.$dname\_day.disabled=false;
562: document.$formname.$dname\_year.disabled=false;
563: document.$formname.$dname\_hour.disabled=false;
564: document.$formname.$dname\_minute.disabled=false;
565: document.$formname.$dname\_second.disabled=false;
566: }
567:
1.29 www 568: function $dname\_opencalendar() {
1.59 matthew 569: if (! document.$formname.$dname\_month.disabled) {
570: var calwin=window.open(
1.29 www 571: "/adm/announcements?pickdate=yes&formname=$formname&element=$dname&month="+
572: document.$formname.$dname\_month.value+"&year="+
573: document.$formname.$dname\_year.value,
574: "LONCAPAcal",
575: "height=350,width=350,scrollbars=yes,resizable=yes,menubar=no");
1.59 matthew 576: }
1.29 www 577:
578: }
1.218 bisitz 579: // ]]>
1.10 matthew 580: </script>
581: ENDJS
1.192 bisitz 582: $result .= ' <span class="LC_nobreak">';
1.96 albertel 583: my $monthselector = qq{<select name="$dname\_month" $special $state onchange="javascript:$dname\_checkday()" >};
1.67 matthew 584: # Month
1.10 matthew 585: my @Months = qw/January February March April May June
586: July August September October November December/;
587: # Pad @Months with a bogus value to make indexing easier
588: unshift(@Months,'If you can read this an error occurred');
1.95 matthew 589: if ($includeempty) { $monthselector.="<option value=''></option>"; }
1.10 matthew 590: for(my $m = 1;$m <=$#Months;$m++) {
1.228 bisitz 591: $monthselector .= qq{ <option value="$m"};
592: $monthselector .= ' selected="selected"' if ($m-1 eq $month);
593: $monthselector .= '> '.&mt($Months[$m]).' </option>'."\n";
1.10 matthew 594: }
1.95 matthew 595: $monthselector.= ' </select>';
1.67 matthew 596: # Day
1.96 albertel 597: my $dayselector = qq{<input type="text" name="$dname\_day" $state value="$mday" size="3" $special onchange="javascript:$dname\_checkday()" />};
1.67 matthew 598: # Year
1.226 bisitz 599: my $yearselector = qq{<input type="text" name="$dname\_year" $state value="$year" size="5" $special onchange="javascript:$dname\_checkday()" />};
1.95 matthew 600: #
601: my $hourselector = qq{<select name="$dname\_hour" $special $state >};
602: if ($includeempty) {
603: $hourselector.=qq{<option value=''></option>};
604: }
605: for (my $h = 0;$h<24;$h++) {
1.228 bisitz 606: $hourselector .= qq{<option value="$h"};
607: $hourselector .= ' selected="selected"' if (defined($hour) && $hour == $h);
1.95 matthew 608: $hourselector .= ">";
609: my $timest='';
610: if ($h == 0) {
611: $timest .= "12 am";
612: } elsif($h == 12) {
613: $timest .= "12 noon";
614: } elsif($h < 12) {
615: $timest .= "$h am";
616: } else {
617: $timest .= $h-12 ." pm";
618: }
619: $timest=&mt($timest);
620: $hourselector .= $timest." </option>\n";
621: }
622: $hourselector .= " </select>\n";
623: my $minuteselector = qq{<input type="text" name="$dname\_minute" $special $state value="$min" size="3" />};
624: my $secondselector= qq{<input type="text" name="$dname\_second" $special $state value="$sec" size="3" />};
1.134 raeburn 625: my $cal_link;
626: if (!$nolink) {
627: $cal_link = qq{<a href="javascript:$dname\_opencalendar()">};
628: }
1.95 matthew 629: #
1.175 raeburn 630: my $tzone = ' '.$tzname.' ';
1.95 matthew 631: if ($no_hh_mm_ss) {
1.134 raeburn 632: $result .= &mt('[_1] [_2] [_3] ',
1.174 raeburn 633: $monthselector,$dayselector,$yearselector).
634: $tzone;
1.134 raeburn 635: if (!$nolink) {
1.141 albertel 636: $result .= &mt('[_1]Select Date[_2]',$cal_link,'</a>');
1.134 raeburn 637: }
1.95 matthew 638: } else {
1.134 raeburn 639: $result .= &mt('[_1] [_2] [_3] [_4] [_5]m [_6]s ',
640: $monthselector,$dayselector,$yearselector,
1.174 raeburn 641: $hourselector,$minuteselector,$secondselector).
642: $tzone;
1.134 raeburn 643: if (!$nolink) {
1.141 albertel 644: $result .= &mt('[_1]Select Date[_2]',$cal_link,'</a>');
1.134 raeburn 645: }
1.67 matthew 646: }
1.135 albertel 647: $result .= "</span>\n<!-- end $dname date setting form -->\n";
1.10 matthew 648: return $result;
649: }
650:
1.175 raeburn 651: sub get_timedates {
652: my ($epoch) = @_;
653: my $dt = DateTime->from_epoch(epoch => $epoch)
654: ->set_time_zone(&Apache::lonlocal::gettimezone());
655: my $tzname = $dt->time_zone_short_name();
656: my $sec = $dt->second;
657: my $min = $dt->minute;
658: my $hour = $dt->hour;
659: my $mday = $dt->day;
660: my $month = $dt->month;
661: if ($month) {
662: $month --;
663: }
664: my $year = $dt->year;
665: return ($tzname,$sec,$min,$hour,$mday,$month,$year);
666: }
1.166 banghart 667:
668: sub build_url {
669: my ($base, $fields)=@_;
670: my $url;
671: $url = $base.'?';
1.168 albertel 672: foreach my $key (keys(%$fields)) {
673: $url.=&escape($key).'='.&escape($$fields{$key}).'&';
1.166 banghart 674: }
675: $url =~ s/&$//;
676: return $url;
677: }
678:
679:
1.10 matthew 680: ##############################################
681: ##############################################
682:
1.22 matthew 683: =pod
684:
1.309 raeburn 685: =item &get_date_from_form()
1.22 matthew 686:
687: get_date_from_form retrieves the date specified in an &date_setter form.
1.10 matthew 688:
689: Inputs:
690:
691: =over 4
692:
693: =item $dname
694:
1.226 bisitz 695: The name passed to &date_setter, which prefixes the form elements.
1.10 matthew 696:
697: =item $defaulttime
698:
699: The unix time to use as the default in case of poor inputs.
700:
701: =back
702:
703: Returns: Unix time represented in the form.
704:
705: =cut
706:
707: ##############################################
708: ##############################################
709: sub get_date_from_form {
710: my ($dname) = @_;
711: my ($sec,$min,$hour,$day,$month,$year);
712: #
1.104 albertel 713: if (defined($env{'form.'.$dname.'_second'})) {
714: my $tmpsec = $env{'form.'.$dname.'_second'};
1.10 matthew 715: if (($tmpsec =~ /^\d+$/) && ($tmpsec >= 0) && ($tmpsec < 60)) {
716: $sec = $tmpsec;
717: }
1.64 albertel 718: if (!defined($tmpsec) || $tmpsec eq '') { $sec = 0; }
1.67 matthew 719: } else {
720: $sec = 0;
1.10 matthew 721: }
1.104 albertel 722: if (defined($env{'form.'.$dname.'_minute'})) {
723: my $tmpmin = $env{'form.'.$dname.'_minute'};
1.10 matthew 724: if (($tmpmin =~ /^\d+$/) && ($tmpmin >= 0) && ($tmpmin < 60)) {
725: $min = $tmpmin;
726: }
1.64 albertel 727: if (!defined($tmpmin) || $tmpmin eq '') { $min = 0; }
1.67 matthew 728: } else {
729: $min = 0;
1.10 matthew 730: }
1.104 albertel 731: if (defined($env{'form.'.$dname.'_hour'})) {
732: my $tmphour = $env{'form.'.$dname.'_hour'};
1.33 matthew 733: if (($tmphour =~ /^\d+$/) && ($tmphour >= 0) && ($tmphour < 24)) {
1.10 matthew 734: $hour = $tmphour;
735: }
1.67 matthew 736: } else {
737: $hour = 0;
1.10 matthew 738: }
1.104 albertel 739: if (defined($env{'form.'.$dname.'_day'})) {
740: my $tmpday = $env{'form.'.$dname.'_day'};
1.10 matthew 741: if (($tmpday =~ /^\d+$/) && ($tmpday > 0) && ($tmpday < 32)) {
742: $day = $tmpday;
743: }
744: }
1.104 albertel 745: if (defined($env{'form.'.$dname.'_month'})) {
746: my $tmpmonth = $env{'form.'.$dname.'_month'};
1.10 matthew 747: if (($tmpmonth =~ /^\d+$/) && ($tmpmonth > 0) && ($tmpmonth < 13)) {
1.175 raeburn 748: $month = $tmpmonth;
1.10 matthew 749: }
750: }
1.104 albertel 751: if (defined($env{'form.'.$dname.'_year'})) {
752: my $tmpyear = $env{'form.'.$dname.'_year'};
1.175 raeburn 753: if (($tmpyear =~ /^\d+$/) && ($tmpyear >= 1970)) {
754: $year = $tmpyear;
1.10 matthew 755: }
756: }
1.175 raeburn 757: if (($year<1970) || ($year>2037)) { return undef; }
1.33 matthew 758: if (defined($sec) && defined($min) && defined($hour) &&
1.175 raeburn 759: defined($day) && defined($month) && defined($year)) {
760: my $timezone = &Apache::lonlocal::gettimezone();
761: my $dt = DateTime->new( year => $year,
762: month => $month,
763: day => $day,
764: hour => $hour,
765: minute => $min,
766: second => $sec,
767: time_zone => $timezone,
768: );
769: my $epoch_time = $dt->epoch;
770: if ($epoch_time ne '') {
771: return $epoch_time;
772: } else {
773: return undef;
774: }
1.10 matthew 775: } else {
776: return undef;
777: }
1.20 matthew 778: }
779:
780: ##############################################
781: ##############################################
782:
783: =pod
784:
785: =item &pjump_javascript_definition()
786:
787: Returns javascript defining the 'pjump' function, which opens up a
788: parameter setting wizard.
789:
790: =cut
791:
792: ##############################################
793: ##############################################
794: sub pjump_javascript_definition {
795: my $Str = <<END;
1.109 www 796: function pjump(type,dis,value,marker,ret,call,hour,min,sec) {
1.295 www 797: openMyModal("/adm/rat/parameter.html?type="+escape(type)
1.20 matthew 798: +"&value="+escape(value)+"&marker="+escape(marker)
799: +"&return="+escape(ret)
1.109 www 800: +"&call="+escape(call)+"&name="+escape(dis)
801: +"&defhour="+escape(hour)+"&defmin="+escape(min)
1.295 www 802: +"&defsec="+escape(sec)+"&modal=1",350,350,'no');
1.20 matthew 803: }
804: END
805: return $Str;
1.10 matthew 806: }
807:
808: ##############################################
809: ##############################################
1.17 matthew 810:
811: =pod
812:
813: =item &javascript_nothing()
814:
815: Return an appropriate null for the users browser. This is used
816: as the first arguement for window.open calls when you want a blank
817: window that you can then write to.
818:
819: =cut
820:
821: ##############################################
822: ##############################################
823: sub javascript_nothing {
824: # mozilla and other browsers work with "''", but IE on mac does not.
825: my $nothing = "''";
826: my $user_browser;
827: my $user_os;
1.104 albertel 828: $user_browser = $env{'browser.type'} if (exists($env{'browser.type'}));
829: $user_os = $env{'browser.os'} if (exists($env{'browser.os'}));
1.17 matthew 830: if (! defined($user_browser) || ! defined($user_os)) {
831: (undef,$user_browser,undef,undef,undef,$user_os) =
832: &Apache::loncommon::decode_user_agent();
833: }
834: if ($user_browser eq 'explorer' && $user_os =~ 'mac') {
835: $nothing = "'javascript:void(0);'";
836: }
837: return $nothing;
838: }
839:
1.90 www 840: ##############################################
841: ##############################################
842: sub javascript_docopen {
1.171 albertel 843: my ($mimetype) = @_;
844: $mimetype ||= 'text/html';
1.90 www 845: # safari does not understand document.open() and loads "text/html"
846: my $nothing = "''";
847: my $user_browser;
848: my $user_os;
1.104 albertel 849: $user_browser = $env{'browser.type'} if (exists($env{'browser.type'}));
850: $user_os = $env{'browser.os'} if (exists($env{'browser.os'}));
1.90 www 851: if (! defined($user_browser) || ! defined($user_os)) {
852: (undef,$user_browser,undef,undef,undef,$user_os) =
853: &Apache::loncommon::decode_user_agent();
854: }
855: if ($user_browser eq 'safari' && $user_os =~ 'mac') {
856: $nothing = "document.clear()";
857: } else {
1.171 albertel 858: $nothing = "document.open('$mimetype','replace')";
1.90 www 859: }
860: return $nothing;
861: }
862:
1.21 matthew 863:
1.17 matthew 864: ##############################################
865: ##############################################
866:
1.21 matthew 867: =pod
1.17 matthew 868:
1.21 matthew 869: =item &StatusOptions()
1.10 matthew 870:
1.21 matthew 871: Returns html for a selection box which allows the user to choose the
872: enrollment status of students. The selection box name is 'Status'.
1.6 stredwic 873:
1.21 matthew 874: Inputs:
1.6 stredwic 875:
1.21 matthew 876: $status: the currently selected status. If undefined the value of
1.104 albertel 877: $env{'form.Status'} is taken. If that is undefined, a value of 'Active'
1.21 matthew 878: is used.
1.6 stredwic 879:
1.21 matthew 880: $formname: The name of the form. If defined the onchange attribute of
881: the selection box is set to document.$formname.submit().
1.6 stredwic 882:
1.21 matthew 883: $size: the size (number of lines) of the selection box.
1.6 stredwic 884:
1.27 matthew 885: $onchange: javascript to use when the value is changed. Enclosed in
886: double quotes, ""s, not single quotes.
887:
1.21 matthew 888: Returns: a perl string as described.
1.1 stredwic 889:
1.21 matthew 890: =cut
1.9 stredwic 891:
1.21 matthew 892: ##############################################
893: ##############################################
894: sub StatusOptions {
1.165 banghart 895: my ($status, $formName,$size,$onchange,$mult)=@_;
1.21 matthew 896: $size = 1 if (!defined($size));
897: if (! defined($status)) {
898: $status = 'Active';
1.104 albertel 899: $status = $env{'form.Status'} if (exists($env{'form.Status'}));
1.9 stredwic 900: }
1.1 stredwic 901:
902: my $Str = '';
903: $Str .= '<select name="Status"';
1.165 banghart 904: if (defined($mult)){
905: $Str .= ' multiple="multiple" ';
906: }
1.27 matthew 907: if(defined($formName) && $formName ne '' && ! defined($onchange)) {
1.1 stredwic 908: $Str .= ' onchange="document.'.$formName.'.submit()"';
1.27 matthew 909: }
910: if (defined($onchange)) {
911: $Str .= ' onchange="'.$onchange.'"';
1.1 stredwic 912: }
1.21 matthew 913: $Str .= ' size="'.$size.'" ';
1.1 stredwic 914: $Str .= '>'."\n";
1.153 raeburn 915: foreach my $type (['Active', &mt('Currently Has Access')],
916: ['Future', &mt('Will Have Future Access')],
917: ['Expired', &mt('Previously Had Access')],
918: ['Any', &mt('Any Access Status')]) {
1.151 albertel 919: my ($name,$label) = @$type;
920: $Str .= '<option value="'.$name.'" ';
921: if ($status eq $name) {
922: $Str .= 'selected="selected" ';
923: }
924: $Str .= '>'.$label.'</option>'."\n";
925: }
926:
1.1 stredwic 927: $Str .= '</select>'."\n";
1.7 stredwic 928: }
1.12 matthew 929:
930: ########################################################
931: ########################################################
1.7 stredwic 932:
1.23 matthew 933: =pod
934:
935: =item Progess Window Handling Routines
936:
937: These routines handle the creation, update, increment, and closure of
938: progress windows. The progress window reports to the user the number
939: of items completed and an estimate of the time required to complete the rest.
940:
941: =over 4
942:
943:
1.309 raeburn 944: =item &Create_PrgWin()
1.23 matthew 945:
946: Writes javascript to the client to open a progress window and returns a
947: data structure used for bookkeeping.
948:
949: Inputs
950:
951: =over 4
952:
953: =item $r Apache request
954:
955: =item $number_to_do The total number of items being processed.
1.50 albertel 956:
1.23 matthew 957: =back
958:
959: Returns a hash containing the progress state data structure.
960:
961:
1.309 raeburn 962: =item &Update_PrgWin()
1.23 matthew 963:
964: Updates the text in the progress indicator. Does not increment the count.
965: See &Increment_PrgWin.
966:
967: Inputs:
968:
969: =over 4
970:
971: =item $r Apache request
972:
973: =item $prog_state Pointer to the data structure returned by &Create_PrgWin
974:
975: =item $displaystring The string to write to the status indicator
976:
977: =back
978:
979: Returns: none
980:
981:
1.309 raeburn 982: =item Increment_PrgWin()
1.23 matthew 983:
1.276 bisitz 984: Increment the count of items completed for the progress window by $step or 1 if no step is provided.
1.23 matthew 985:
986: Inputs:
987:
988: =over 4
989:
990: =item $r Apache request
991:
992: =item $prog_state Pointer to the data structure returned by Create_PrgWin
993:
994: =item $extraInfo A description of the items being iterated over. Typically
995: 'student'.
996:
1.279 bisitz 997: =item $step (optional) counter step. Will be set to default 1 if ommited. step must be greater than 0 or empty.
1.276 bisitz 998:
1.23 matthew 999: =back
1000:
1001: Returns: none
1002:
1003:
1.309 raeburn 1004: =item &Close_PrgWin()
1.23 matthew 1005:
1006: Closes the progress window.
1007:
1008: Inputs:
1009:
1010: =over 4
1011:
1012: =item $r Apache request
1013:
1014: =item $prog_state Pointer to the data structure returned by Create_PrgWin
1015:
1016: =back
1017:
1018: Returns: none
1019:
1020: =back
1021:
1022: =cut
1023:
1024: ########################################################
1025: ########################################################
1026:
1.51 albertel 1027:
1.7 stredwic 1028: # Create progress
1029: sub Create_PrgWin {
1.297 www 1030: my ($r,$number_to_do)=@_;
1.49 albertel 1031: my %prog_state;
1.16 albertel 1032: $prog_state{'done'}=0;
1.23 matthew 1033: $prog_state{'firststart'}=&Time::HiRes::time();
1034: $prog_state{'laststart'}=&Time::HiRes::time();
1.16 albertel 1035: $prog_state{'max'}=$number_to_do;
1.297 www 1036: &Apache::loncommon::LCprogressbar($r);
1.14 albertel 1037: return %prog_state;
1.7 stredwic 1038: }
1039:
1040: # update progress
1041: sub Update_PrgWin {
1.14 albertel 1042: my ($r,$prog_state,$displayString)=@_;
1.297 www 1043: &Apache::loncommon::LCprogressbarUpdate($r,undef,$displayString);
1.23 matthew 1044: $$prog_state{'laststart'}=&Time::HiRes::time();
1.14 albertel 1045: }
1046:
1047: # increment progress state
1048: sub Increment_PrgWin {
1.275 bisitz 1049: my ($r,$prog_state,$extraInfo,$step)=@_;
1.279 bisitz 1050: $step = $step > 0 ? $step : 1;
1.275 bisitz 1051: $$prog_state{'done'} += $step;
1052:
1053: # Catch (max modulo step) <> 0
1054: my $current = $$prog_state{'done'};
1055: my $last = ($$prog_state{'max'} - $current);
1056: if ($last <= 0) {
1057: $last = 1;
1058: $current = $$prog_state{'max'};
1059: }
1060:
1.23 matthew 1061: my $time_est= (&Time::HiRes::time() - $$prog_state{'firststart'})/
1.275 bisitz 1062: $current * $last;
1.16 albertel 1063: $time_est = int($time_est);
1.80 matthew 1064: #
1065: my $min = int($time_est/60);
1066: my $sec = $time_est % 60;
1.278 bisitz 1067:
1.23 matthew 1068: my $lasttime = &Time::HiRes::time()-$$prog_state{'laststart'};
1069: if ($lasttime > 9) {
1070: $lasttime = int($lasttime);
1071: } elsif ($lasttime < 0.01) {
1072: $lasttime = 0;
1073: } else {
1074: $lasttime = sprintf("%3.2f",$lasttime);
1075: }
1.278 bisitz 1076:
1077: $sec = 0 if ($min >= 10); # Don't show seconds if remaining time >= 10 min.
1078: $sec = 1 if ( ($min == 0) && ($sec == 0) ); # Little cheating: pretend to have 1 second remaining instead of 0 to have something to display
1079:
1080: my $timeinfo =
1081: &mt('[_1]/[_2]:'
1082: .' [quant,_3,minute,minutes,] [quant,_4,second ,seconds ,]remaining'
1083: .' ([quant,_5,second] for '.$extraInfo.')',
1084: $current,
1085: $$prog_state{'max'},
1086: $min,
1087: $sec,
1088: $lasttime);
1.297 www 1089: my $percent=0;
1090: if ($$prog_state{'max'}) {
1091: $percent=int(100.*$current/$$prog_state{'max'});
1092: }
1093: &Apache::loncommon::LCprogressbarUpdate($r,$percent,$timeinfo);
1.23 matthew 1094: $$prog_state{'laststart'}=&Time::HiRes::time();
1.7 stredwic 1095: }
1096:
1097: # close Progress Line
1098: sub Close_PrgWin {
1.14 albertel 1099: my ($r,$prog_state)=@_;
1.297 www 1100: &Apache::loncommon::LCprogressbarClose($r);
1.48 albertel 1101: undef(%$prog_state);
1102: }
1103:
1.34 www 1104: # ------------------------------------------------------- Puts directory header
1105:
1106: sub crumbs {
1.252 bisitz 1107: my ($uri,$target,$prefix,$form,$skiplast)=@_;
1.303 www 1108: # You cannot crumbnify uploaded or adm resources
1109: if ($uri=~/^\/*(uploaded|adm)\//) { return &mt('(Internal Course/Group Content)'); }
1.100 raeburn 1110: if ($target) {
1111: $target = ' target="'.
1112: &Apache::loncommon::escape_single($target).'"';
1113: }
1.252 bisitz 1114: my $output='<span class="LC_filename">';
1115: $output.=$prefix.'/';
1.249 raeburn 1116: if (($env{'user.adv'}) || ($env{'user.author'})) {
1.252 bisitz 1117: my $path=$prefix.'/';
1118: foreach my $dir (split('/',$uri)) {
1.99 matthew 1119: if (! $dir) { next; }
1120: $path .= $dir;
1.252 bisitz 1121: if ($path eq $uri) {
1122: if ($skiplast) {
1123: $output.=$dir;
1.132 www 1124: last;
1.252 bisitz 1125: }
1126: } else {
1127: $path.='/';
1128: }
1.157 albertel 1129: my $href_path = &HTML::Entities::encode($path,'<>&"');
1.252 bisitz 1130: &Apache::loncommon::inhibit_menu_check(\$href_path);
1131: if ($form) {
1132: my $href = 'javascript:'.$form.".action='".$href_path."';".$form.'.submit();';
1133: $output.=qq{<a href="$href"$target>$dir</a>/};
1134: } else {
1135: $output.=qq{<a href="$href_path"$target>$dir</a>/};
1136: }
1137: }
1.35 www 1138: } else {
1.252 bisitz 1139: foreach my $dir (split('/',$uri)) {
1.149 albertel 1140: if (! $dir) { next; }
1.252 bisitz 1141: $output.=$dir.'/';
1142: }
1.34 www 1143: }
1.149 albertel 1144: if ($uri !~ m|/$|) { $output=~s|/$||; }
1.252 bisitz 1145: $output.='</span>';
1146:
1.304 foxr 1147:
1.252 bisitz 1148: return $output;
1.34 www 1149: }
1150:
1.85 www 1151: # --------------------- A function that generates a window for the spellchecker
1152:
1153: sub spellheader {
1.123 albertel 1154: my $start_page=
1155: &Apache::loncommon::start_page('Speller Suggestions',undef,
1.140 albertel 1156: {'only_body' => 1,
1157: 'js_ready' => 1,
1158: 'bgcolor' => '#DDDDDD',
1159: 'add_entries' => {
1160: 'onload' =>
1161: 'document.forms.spellcheckform.submit()',
1162: }
1163: });
1.123 albertel 1164: my $end_page=
1165: &Apache::loncommon::end_page({'js_ready' => 1});
1166:
1.105 www 1167: my $nothing=&javascript_nothing();
1.85 www 1168: return (<<ENDCHECK);
1169: <script type="text/javascript">
1.218 bisitz 1170: // <![CDATA[
1.92 albertel 1171: //<!-- BEGIN LON-CAPA Internal
1.85 www 1172: var checkwin;
1173:
1.140 albertel 1174: function spellcheckerwindow(string) {
1175: var esc_string = string.replace(/\"/g,'"');
1.105 www 1176: checkwin=window.open($nothing,'spellcheckwin','height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
1.154 albertel 1177: 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 1178: checkwin.document.close();
1179: }
1.92 albertel 1180: // END LON-CAPA Internal -->
1.218 bisitz 1181: // ]]>
1.85 www 1182: </script>
1183: ENDCHECK
1184: }
1185:
1186: # ---------------------------------- Generate link to spell checker for a field
1187:
1188: sub spelllink {
1189: my ($form,$field)=@_;
1190: my $linktext=&mt('Check Spelling');
1191: return (<<ENDLINK);
1.140 albertel 1192: <a href="javascript:if (typeof(document.$form.onsubmit)!='undefined') { if (document.$form.onsubmit!=null) { document.$form.onsubmit();}};spellcheckerwindow(this.document.forms.$form.$field.value);">$linktext</a>
1.85 www 1193: ENDLINK
1194: }
1195:
1.281 raeburn 1196: # ------------------------------------------------- Output headers for CKEditor
1.124 albertel 1197:
1.52 www 1198: sub htmlareaheaders {
1.255 faziophi 1199: my $s="";
1.260 faziophi 1200: if (&htmlareabrowser()) {
1.255 faziophi 1201: $s.=(<<ENDEDITOR);
1202: <script type="text/javascript" src="/ckeditor/ckeditor.js"></script>
1203: ENDEDITOR
1204: }
1205: $s.=(<<ENDJQUERY);
1.294 raeburn 1206: <script type="text/javascript" src="/adm/jQuery/js/jquery-1.6.2.min.js"></script>
1207: <script type="text/javascript" src="/adm/jQuery/js/jquery-ui-1.8.16.custom.min.js"></script>
1208: <link rel="stylesheet" type="text/css" href="/adm/jQuery/css/smoothness/jquery-ui-1.8.16.custom.css" />
1.301 foxr 1209: <script type="text/javascript" src="/adm/jpicker/js/jpicker-1.1.6.min.js" >
1210: </script>
1211: <link rel="stylesheet" type="text/css" href="/adm/jpicker/css/jPicker-1.1.6.min.css" />
1.310 raeburn 1212: <script type="text/javascript" src="/adm/countdown/js/jquery.countdown.js"></script>
1213: <link rel="stylesheet" type="text/css" href="/adm/countdown/css/jquery.countdown.css" />
1.320 foxr 1214:
1.323 foxr 1215: <script type="text/javascript" src="/adm/spellchecker/js/jquery.spellchecker.min.js"></script>
1.320 foxr 1216: <link rel="stylesheet" type="text/css" href="/adm/spellchecker/css/spellchecker.css" />
1217:
1.255 faziophi 1218: ENDJQUERY
1219: return $s;
1.52 www 1220: }
1221:
1.76 www 1222: # ----------------------------------------------------------------- Preferences
1223:
1.167 albertel 1224: # ------------------------------------------------- lang to use in html editor
1225: sub htmlarea_lang {
1226: my $lang='en';
1227: if (&mt('htmlarea_lang') ne 'htmlarea_lang') {
1228: $lang=&mt('htmlarea_lang');
1229: }
1230: return $lang;
1231: }
1232:
1.72 www 1233: # ----------------------------------------- Script to activate only some fields
1234:
1235: sub htmlareaselectactive {
1.281 raeburn 1236: my ($args) = @_;
1.76 www 1237: unless (&htmlareabrowser()) { return ''; }
1.262 raeburn 1238: my $output='<script type="text/javascript" defer="defer">'."\n"
1.230 bisitz 1239: .'// <![CDATA['."\n";
1.167 albertel 1240: my $lang = &htmlarea_lang();
1.281 raeburn 1241: my $fullpage = 'false';
1.282 raeburn 1242: my ($dragmath_prefix,$dragmath_helpicon,$dragmath_whitespace);
1.281 raeburn 1243: if (ref($args) eq 'HASH') {
1244: if (exists($args->{'lang'})) {
1245: if ($args->{'lang'} ne '') {
1246: $lang = $args->{'lang'};
1247: }
1248: }
1249: if (exists($args->{'fullpage'})) {
1250: if ($args->{'fullpage'} eq 'true') {
1251: $fullpage = $args->{'fullpage'};
1252: }
1253: }
1254: if (exists($args->{'dragmath'})) {
1255: if ($args->{'dragmath'} ne '') {
1256: $dragmath_prefix = $args->{'dragmath'};
1.282 raeburn 1257: $dragmath_helpicon=&Apache::loncommon::lonhttpdurl("/adm/help/help.png");
1258: $dragmath_whitespace=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/transparent1x1.gif");
1.281 raeburn 1259: }
1260: }
1261: }
1.255 faziophi 1262: $output.='
1263:
1264: function containsBlockHtml(id) {
1.281 raeburn 1265: 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 1266: return (re >= 0);
1267: }
1268:
1269: function startRichEditor(id) {
1270: CKEDITOR.replace(id,
1271: {
1.281 raeburn 1272: customConfig: "/ckeditor/loncapaconfig.js",
1273: language : "'.$lang.'",
1274: fullPage : '.$fullpage.',
1.255 faziophi 1275: }
1276: );
1277: }
1278:
1279: function destroyRichEditor(id) {
1280: CKEDITOR.instances[id].destroy();
1.72 www 1281: }
1.255 faziophi 1282:
1283: function editorHandler(event) {
1284: var rawid = $(this).attr("id");
1.281 raeburn 1285: var id = new RegExp("LC_rt_(.*)").exec(rawid)[1];
1.255 faziophi 1286: event.preventDefault();
1.281 raeburn 1287: var rt_enabled = $(this).hasClass("LC_enable_rt");
1288: if (rt_enabled) {
1.255 faziophi 1289: startRichEditor(id);
1290: $("#LC_rt_"+id).html("<b>« Plain text</b>");
1291: $("#LC_rt_"+id).attr("title", "Disable rich text formatting and edit in plain text");
1292: $("#LC_rt_"+id).addClass("LC_disable_rt");
1293: $("#LC_rt_"+id).removeClass("LC_enable_rt");
1294: } else {
1295: destroyRichEditor(id);
1296: $("#LC_rt_"+id).html("<b>Rich formatting »</b>");
1297: $("#LC_rt_"+id).attr("title", "Enable rich text formatting (bold, italic, etc.)");
1298: $("#LC_rt_"+id).addClass("LC_enable_rt");
1299: $("#LC_rt_"+id).removeClass("LC_disable_rt");
1.281 raeburn 1300: }';
1301: if ($dragmath_prefix ne '') {
1302: $output .= "\n var visible = '';
1303: if (rt_enabled) {
1304: visible = 'none';
1305: }
1306: editmath_visibility(id,visible);\n";
1307: }
1308: $output .= '
1309: }
1.255 faziophi 1310: $(document).ready(function(){
1311: $(".LC_richAlwaysOn").each(function() {
1312: startRichEditor($(this).attr("id"));
1313: });
1314: $(".LC_richDetectHtml").each(function() {
1315: var id = $(this).attr("id");
1.281 raeburn 1316: var rt_enabled = containsBlockHtml(id);
1317: if(rt_enabled) {
1.255 faziophi 1318: $(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>");
1319: startRichEditor(id);
1.281 raeburn 1320: $("#LC_rt_"+id).click(editorHandler);
1.255 faziophi 1321: }
1322: else {
1323: $(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>");
1324: $("#LC_rt_"+id).click(editorHandler);
1.281 raeburn 1325: }';
1326: if ($dragmath_prefix ne '') {
1327: $output .= "\n var visible = '';
1328: if (rt_enabled) {
1329: visible = 'none';
1330: }
1331: editmath_visibility(id,visible);\n";
1332: }
1333: $output .= '
1.255 faziophi 1334: });
1335: $(".LC_richDefaultOn").each(function() {
1336: var id = $(this).attr("id");
1337: $(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>");
1338: startRichEditor(id);
1339: $("#LC_rt_"+id).click(editorHandler);
1340: });
1341: $(".LC_richDefaultOff").each(function() {
1342: var id = $(this).attr("id");
1343: $(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 1344: $("#LC_rt_"+id).click(editorHandler);
1.255 faziophi 1345: });
1.301 foxr 1346: $.fn.jPicker.defaults.images.clientPath="/adm/jpicker/images/";
1347: $(".colorchooser").jPicker();
1348:
1.304 foxr 1349:
1.302 foxr 1350: });
1.281 raeburn 1351: ';
1.306 foxr 1352: # Code to put a due date countdown in 'duedatecountdown' span.
1353: # This is currently located in the breadcrumb headers.
1354: # note that the dueDateLayout is internatinoalized below.
1355: # Here document is used to support the substitution into the javascript below.
1.307 foxr 1356: # ..which unforunately necessitates escaping the $'s in the javascript.
1357: # There are several times of importance
1358: #
1359: # serverDueDate - The absolute time at which the problem expires.
1360: # serverTime - The server's time when the problem finished computing.
1361: # clientTime - The client's time...as close to serverTime as possible.
1362: # The clientTime will be slightly later due to
1363: # 1. The latency between problem computation and
1364: # the first network action.
1365: # 2. The time required between the page load-start and the actual
1366: # initial javascript execution that got clientTime.
1367: # These are used as follows:
1368: # The difference between clientTime and serverTime are used to
1369: # correct for differences in clock settings between the browser's system and the
1370: # server's.
1371: #
1372: # The difference between clientTime and the time at which the ready() method
1373: # starts executing is used to estimate latencies for page load and submission.
1374: # Since this is an estimate, it is doubled. The latency estimate + one minute
1375: # is used to determine when the countdown timer turns red to warn the user
1376: # to think about submitting.
1.306 foxr 1377:
1.314 raeburn 1378: my $dueDateLayout = &mt('Due in: {dn} {dl} {hnn}{sep}{mnn}{sep}{snn} [_1]',"<span id='submitearly'></span>");
1379: my $early = '- <b>'.&mt('Submit Early').'</b>';
1380: my $pastdue = '- <b>'.&mt('Past Due').'</b>';
1.306 foxr 1381: $output .= <<JAVASCRIPT;
1.307 foxr 1382:
1383: var documentReadyTime;
1384:
1.306 foxr 1385: \$(document).ready(function() {
1386: if (typeof(dueDate) != "undefined") {
1.307 foxr 1387: documentReadyTime = (new Date()).getTime();
1.306 foxr 1388: \$("#duedatecountdown").countdown({until: dueDate, compact: true,
1389: layout: "$dueDateLayout",
1390: onTick: function (periods) {
1.307 foxr 1391: var latencyEstimate = (documentReadyTime - clientTime) * 2;
1.314 raeburn 1392: if(\$.countdown.periodsToSeconds(periods) < (300 + latencyEstimate)) {
1393: \$("#submitearly").html("$early");
1394: if (\$.countdown.periodsToSeconds(periods) < 1) {
1395: \$("#submitearly").html("$pastdue");
1396: }
1397: }
1.307 foxr 1398: if(\$.countdown.periodsToSeconds(periods) < (60 + latencyEstimate)) {
1.306 foxr 1399: \$(this).css("color", "red"); //Highlight last minute.
1400: }
1401: }
1402: });
1403: }
1404: });
1.322 foxr 1405:
1406: /* This code describes the spellcheck options that will be used for
1407: items with class 'spellchecked'. It is necessary for those objects'
1408: to explicitly request checking (e.g. onblur is a nice event for that).
1409: */
1410: \$(document).ready(function() {
1411: \$(".spellchecked").spellchecker({
1412: url: "/ajax/spellcheck",
1413: lang: "en",
1414: engine: "pspell",
1415: suggestionBoxPosition: "below",
1416: innerDocument: true
1417: });
1418: \$("textarea.spellchecked").spellchecker({
1419: url: "/ajax/spellcheck",
1420: lang: "en",
1421: engine: "pspell",
1422: suggestionBoxPosition: "below",
1423: innerDocument: true
1424: });
1425:
1426: });
1427:
1.325 ! foxr 1428: /* the muli colored editor can generate spellcheck with language 'none'
! 1429: to disable spellcheck as well
! 1430: */
1.324 foxr 1431: function doSpellcheck(element, lang) {
1.325 ! foxr 1432: if (lang != 'none') {
! 1433: \$(element).spellchecker('option', {lang: lang});
! 1434: \$(element).spellchecker('check');
! 1435: }
1.324 foxr 1436: }
1437:
1.322 foxr 1438:
1.306 foxr 1439: JAVASCRIPT
1.281 raeburn 1440: if ($dragmath_prefix ne '') {
1441: $output .= '
1442:
1443: function editmath_visibility(id,value) {
1444:
1445: if ((id == "") || (id == null)) {
1446: return;
1447: }
1448: var mathid = "'.$dragmath_prefix.'_"+id;
1449: mathele = document.getElementById(mathid);
1450: if (mathele == null) {
1451: return;
1452: }
1453: mathele.style.display = value;
1.282 raeburn 1454: var mathhelpicon = "'.$dragmath_prefix.'helpicon'.'_"+id;
1455: mathhelpiconele = document.getElementById(mathhelpicon);
1456: if (mathhelpiconele == null) {
1457: return;
1458: }
1459: if (value == "none") {
1460: mathhelpiconele.src = "'.$dragmath_whitespace.'";
1461: } else {
1462: mathhelpiconele.src = "'.$dragmath_helpicon.'";
1463: }
1.281 raeburn 1464: }
1465: ';
1466:
1467: }
1.218 bisitz 1468: $output.="\nwindow.status='Activated Editfields';\n"
1.230 bisitz 1469: .'// ]]>'."\n"
1.281 raeburn 1470: .'</script>';
1.72 www 1471: return $output;
1472: }
1473:
1.61 www 1474: # --------------------------------------------------------------------- Blocked
1475:
1476: sub htmlareablocked {
1.104 albertel 1477: unless ($env{'environment.wysiwygeditor'} eq 'on') { return 1; }
1.71 www 1478: return 0;
1.52 www 1479: }
1480:
1481: # ---------------------------------------- Browser capable of running HTMLArea?
1482:
1483: sub htmlareabrowser {
1484: return 1;
1485: }
1.53 matthew 1486:
1.287 www 1487: #
1488: # Should the "return to content" link be shown?
1489: #
1490:
1491: sub show_return_link {
1.289 www 1492:
1493: unless ($env{'request.course.id'}) { return 0; }
1494: if ($env{'request.noversionuri'}=~m{^/priv/} ||
1.318 raeburn 1495: $env{'request.uri'}=~m{^/priv/}) { return 1; }
1.289 www 1496:
1.287 www 1497: if (($env{'request.noversionuri'} =~ m{^/adm/(viewclasslist|navmaps)($|\?)})
1498: || ($env{'request.noversionuri'} =~ m{^/adm/.*/aboutme($|\?)})) {
1499:
1500: return if ($env{'form.register'});
1501: }
1502: return (($env{'request.noversionuri'}=~m{^/(res|public)/} &&
1503: $env{'request.symb'} eq '')
1504: ||
1505: ($env{'request.noversionuri'}=~ m{^/cgi-bin/printout.pl})
1506: ||
1507: (($env{'request.noversionuri'}=~/^\/adm\//) &&
1508: ($env{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
1509: ($env{'request.noversionuri'}!~
1510: m{^/adm/.*/(smppg|bulletinboard)($|\?)})
1511: ));
1512: }
1513:
1514:
1.304 foxr 1515: ##
1516: # Set the dueDate variable...note this is done in the timezone
1517: # of the browser.
1518: #
1519: # @param epoch relative time at which the problem is due.
1520: #
1521: # @return the javascript fragment to set the date:
1522: #
1523: sub set_due_date {
1524: my $dueStamp = shift;
1525: my $duems = $dueStamp * 1000; # Javascript Date object needs ms not seconds.
1526:
1527: my $now = time()*1000;
1528:
1529: # This slightly obscure bit of javascript sets the dueDate variable
1530: # to the time in the browser at which the problem was due.
1531: # The code should correct for gross differences between the server
1532: # and client's time setting
1533:
1.315 raeburn 1534: return <<"END";
1535:
1536: <script type="text/javascript">
1.304 foxr 1537: //<![CDATA[
1538: var serverDueDate = $duems;
1539: var serverTime = $now;
1540: var clientTime = (new Date()).getTime();
1541: var dueDate = new Date(serverDueDate + (clientTime - serverTime));
1542:
1543: //]]>
1544: </script>
1545:
1.315 raeburn 1546: END
1.307 foxr 1547: }
1548: ##
1549: # Sets the time at which the problem finished computing.
1550: # This just updates the serverTime and clientTime variables above.
1551: # Calling this in e.g. end_problem provides a better estimate of the
1552: # difference beetween the server and client time setting as
1553: # the difference contains less of the latency/problem compute time.
1554: #
1555: sub set_compute_end_time {
1556:
1557: my $now = time()*1000; # Javascript times are in ms.
1.316 raeburn 1558: return <<"END";
1559:
1560: <script type="text/javascript">
1.307 foxr 1561: //<![CDATA[
1562: serverTime = $now;
1563: clientTime = (new Date()).getTime();
1564: //]]>
1565: </script>
1566:
1.316 raeburn 1567: END
1.304 foxr 1568: }
1569:
1.53 matthew 1570: ############################################################
1571: ############################################################
1572:
1573: =pod
1574:
1.309 raeburn 1575: =item &breadcrumbs()
1.53 matthew 1576:
1577: Compiles the previously registered breadcrumbs into an series of links.
1578: Additionally supports a 'component', which will be displayed on the
1.223 droeschl 1579: right side of the breadcrumbs enclosing div (without a link).
1.53 matthew 1580: A link to help for the component will be included if one is specified.
1581:
1582: All inputs can be undef without problems.
1583:
1.223 droeschl 1584: Inputs: $component (the text on the right side of the breadcrumbs trail),
1.53 matthew 1585: $component_help
1.63 albertel 1586: $menulink (boolean, controls whether to include a link to /adm/menu)
1.138 albertel 1587: $helplink (if 'nohelp' don't include the orange help link)
1588: $css_class (optional name for the class to apply to the table for CSS)
1.197 raeburn 1589: $no_mt (optional flag, 1 if &mt() is _not_ to be applied to $component
1590: when including the text on the right.
1.53 matthew 1591: Returns a string containing breadcrumbs for the current page.
1592:
1.309 raeburn 1593: =item &clear_breadcrumbs()
1.53 matthew 1594:
1595: Clears the previously stored breadcrumbs.
1596:
1.309 raeburn 1597: =item &add_breadcrumb()
1.53 matthew 1598:
1599: Pushes a breadcrumb on the stack of crumbs.
1600:
1601: input: $breadcrumb, a hash reference. The keys 'href','title', and 'text'
1602: are required. If present the keys 'faq' and 'bug' will be used to provide
1.156 albertel 1603: links to the FAQ and bug sites. If the key 'no_mt' is present the 'title'
1604: and 'text' values won't be sent through &mt()
1.53 matthew 1605:
1606: returns: nothing
1607:
1608: =cut
1609:
1610: ############################################################
1611: ############################################################
1612: {
1613: my @Crumbs;
1.242 droeschl 1614: my %tools = ();
1.57 matthew 1615:
1.53 matthew 1616: sub breadcrumbs {
1.314 raeburn 1617: my ($component,$component_help,$menulink,$helplink,$css_class,$no_mt,
1618: $CourseBreadcrumbs) = @_;
1.53 matthew 1619: #
1.215 droeschl 1620: $css_class ||= 'LC_breadcrumbs';
1.205 amueller 1621:
1.57 matthew 1622: # Make the faq and bug data cascade
1.223 droeschl 1623: my $faq = '';
1624: my $bug = '';
1625: my $help = '';
1.215 droeschl 1626: # Crumb Symbol
1.223 droeschl 1627: my $crumbsymbol = '»';
1.60 www 1628: # The last breadcrumb does not have a link, so handle it separately.
1.53 matthew 1629: my $last = pop(@Crumbs);
1.57 matthew 1630: #
1.70 matthew 1631: # The first one should be the course or a menu link
1.215 droeschl 1632: if (!defined($menulink)) { $menulink=1; }
1.70 matthew 1633: if ($menulink) {
1634: my $description = 'Menu';
1.172 raeburn 1635: my $no_mt_descr = 0;
1.269 raeburn 1636: if ((exists($env{'request.course.id'})) &&
1637: ($env{'request.course.id'} ne '') &&
1638: ($env{'course.'.$env{'request.course.id'}.'.description'} ne '')) {
1.70 matthew 1639: $description =
1.104 albertel 1640: $env{'course.'.$env{'request.course.id'}.'.description'};
1.172 raeburn 1641: $no_mt_descr = 1;
1.70 matthew 1642: }
1.215 droeschl 1643: $menulink = { href =>'/adm/menu',
1644: title =>'Go to main menu',
1645: target =>'_top',
1646: text =>$description,
1647: no_mt =>$no_mt_descr, };
1648: if($last) {
1649: #$last set, so we have some crumbs
1650: unshift(@Crumbs,$menulink);
1651: } else {
1652: #only menulink crumb present
1653: $last = $menulink;
1654: }
1.53 matthew 1655: }
1.287 www 1656: my $links;
1657: if ((&show_return_link) && (!$CourseBreadcrumbs)) {
1.299 raeburn 1658: my $alttext = &mt('Go Back');
1.317 raeburn 1659: $links=&htmltag( 'a','<img src="/res/adm/pages/tolastloc.png" alt="'.$alttext.'" class="LC_icon" />',
1.287 www 1660: { href => '/adm/flip?postdata=return:',
1.317 raeburn 1661: title => &mt('Back to most recent content resource'),
1662: class => 'LC_menubuttons_link',
1663: });
1.299 raeburn 1664: $links=&htmltag('li',$links);
1.287 www 1665: }
1666: $links.= join "",
1.261 droeschl 1667: map {
1668: $faq = $_->{'faq'} if (exists($_->{'faq'}));
1669: $bug = $_->{'bug'} if (exists($_->{'bug'}));
1670: $help = $_->{'help'} if (exists($_->{'help'}));
1671:
1.287 www 1672: my $result = $_->{no_mt} ? $_->{text} : &mt($_->{text});
1.261 droeschl 1673:
1674: if ($_->{href}){
1.287 www 1675: $result = &htmltag( 'a', $result,
1.261 droeschl 1676: { href => $_->{href},
1.287 www 1677: title => $_->{no_mt} ? $_->{title} : &mt($_->{title}),
1.261 droeschl 1678: target => $_->{target}, });
1679: }
1680:
1.287 www 1681: $result = &htmltag( 'li', "$result $crumbsymbol");
1.261 droeschl 1682: } @Crumbs;
1.223 droeschl 1683:
1684: #should the last Element be translated?
1.261 droeschl 1685:
1686: my $lasttext = $last->{'no_mt'} ? $last->{'text'}
1687: : mt( $last->{'text'} );
1688:
1.274 droeschl 1689: # last breadcrumb is the first order heading of a page
1690: # for course breadcrumbs it's just bold
1.304 foxr 1691:
1.287 www 1692: $links .= &htmltag( 'li', htmltag($CourseBreadcrumbs ? 'b' : 'h1',
1.274 droeschl 1693: $lasttext), {title => $lasttext});
1.223 droeschl 1694:
1.54 matthew 1695: my $icons = '';
1.223 droeschl 1696: $faq = $last->{'faq'} if (exists($last->{'faq'}));
1697: $bug = $last->{'bug'} if (exists($last->{'bug'}));
1.106 www 1698: $help = $last->{'help'} if (exists($last->{'help'}));
1699: $component_help=($component_help?$component_help:$help);
1.145 albertel 1700: # if ($faq ne '') {
1701: # $icons .= &Apache::loncommon::help_open_faq($faq);
1702: # }
1.79 raeburn 1703: # if ($bug ne '') {
1704: # $icons .= &Apache::loncommon::help_open_bug($bug);
1705: # }
1.223 droeschl 1706: if ($faq ne '' || $component_help ne '' || $bug ne '') {
1707: $icons .= &Apache::loncommon::help_open_menu($component,
1708: $component_help,
1709: $faq,$bug);
1710: }
1.54 matthew 1711: #
1.304 foxr 1712:
1.205 amueller 1713:
1714:
1.223 droeschl 1715: unless ($CourseBreadcrumbs) {
1.287 www 1716: $links = &htmltag('ol', $links, { id => "LC_MenuBreadcrumbs" });
1.223 droeschl 1717: } else {
1.287 www 1718: $links = &htmltag('ul', $links, { class => "LC_CourseBreadcrumbs" });
1.53 matthew 1719: }
1.223 droeschl 1720:
1.304 foxr 1721:
1.223 droeschl 1722: if ($component) {
1.287 www 1723: $links = &htmltag('span',
1.223 droeschl 1724: ( $no_mt ? $component : mt($component) ).
1725: ( $icons ? $icons : '' ),
1726: { class => 'LC_breadcrumbs_component' } )
1.304 foxr 1727: .$links
1728: ;
1.223 droeschl 1729: }
1730:
1.287 www 1731: &render_tools(\$links);
1732: $links = &htmltag('div', $links,
1.225 bisitz 1733: { id => "LC_breadcrumbs" }) unless ($CourseBreadcrumbs) ;
1.287 www 1734: &render_advtools(\$links);
1.223 droeschl 1735:
1.53 matthew 1736: # Return the @Crumbs stack to what we started with
1737: push(@Crumbs,$last);
1738: shift(@Crumbs);
1.304 foxr 1739:
1740:
1.223 droeschl 1741: # Return the breadcrumb's line
1.304 foxr 1742:
1743:
1744:
1.223 droeschl 1745: return "$links";
1.53 matthew 1746: }
1747:
1748: sub clear_breadcrumbs {
1749: undef(@Crumbs);
1.242 droeschl 1750: undef(%tools);
1.53 matthew 1751: }
1752:
1753: sub add_breadcrumb {
1.232 raeburn 1754: push(@Crumbs,@_);
1.53 matthew 1755: }
1.242 droeschl 1756:
1.309 raeburn 1757: =item &add_breadcrumb_tool($category, $html)
1.261 droeschl 1758:
1759: Adds $html to $category of the breadcrumb toolbar container.
1760:
1761: $html is usually a link to a page that invokes a function on the currently
1762: displayed data (e.g. print when viewing a problem)
1763:
1764: Currently there are 3 possible values for $category:
1765:
1766: =over
1767:
1768: =item navigation
1769: left of breadcrumbs line
1770:
1771: =item tools
1.314 raeburn 1772: remaining items in right of breadcrumbs line
1.261 droeschl 1773:
1774: =item advtools
1775: advanced tools shown in a separate box below breadcrumbs line
1776:
1777: =back
1778:
1779: returns: nothing
1780:
1781: =cut
1.242 droeschl 1782:
1783: sub add_breadcrumb_tool {
1.261 droeschl 1784: my ($category, @html) = @_;
1785: return unless @html;
1.285 raeburn 1786: if (!keys(%tools)) {
1.261 droeschl 1787: %tools = ( navigation => [], tools => [], advtools => []);
1.242 droeschl 1788: }
1.261 droeschl 1789:
1790: #this cleans data received from lonmenu::innerregister
1791: @html = grep {defined $_ && $_ ne ''} @html;
1792: for (@html) {
1793: s/align="(right|left)"//;
1.288 www 1794: # s/<span.*?\/span>// if $category ne 'advtools';
1.261 droeschl 1795: }
1796:
1797: push @{$tools{$category}}, @html;
1.242 droeschl 1798: }
1799:
1.309 raeburn 1800: =item &clear_breadcrumb_tools()
1.261 droeschl 1801:
1802: Clears the breadcrumb toolbar container.
1803:
1804: returns: nothing
1805:
1806: =cut
1807:
1.245 droeschl 1808: sub clear_breadcrumb_tools {
1809: undef(%tools);
1810: }
1811:
1.309 raeburn 1812: =item &render_tools(\$breadcrumbs)
1.261 droeschl 1813:
1814: Creates html for breadcrumb tools (categories navigation and tools) and inserts
1815: \$breadcrumbs at the correct position.
1816:
1817: input: \$breadcrumbs - a reference to the string containing prepared
1818: breadcrumbs.
1819:
1820: returns: nothing
1.309 raeburn 1821:
1.261 droeschl 1822: =cut
1823:
1824: #TODO might split this in separate functions for each category
1825: sub render_tools {
1826: my ($breadcrumbs) = @_;
1.285 raeburn 1827: return unless (keys(%tools));
1.261 droeschl 1828:
1829: my $navigation = list_from_array($tools{navigation},
1830: { listattr => { class=>"LC_breadcrumb_tools_navigation" } });
1831: my $tools = list_from_array($tools{tools},
1832: { listattr => { class=>"LC_breadcrumb_tools_tools" } });
1833: $$breadcrumbs = list_from_array([$navigation, $tools, $$breadcrumbs],
1834: { listattr => { class=>'LC_breadcrumb_tools_outerlist' } });
1835: }
1836:
1.309 raeburn 1837: =pod
1838:
1839: =item &render_advtools(\$breadcrumbs)
1.261 droeschl 1840:
1841: Creates html for advanced tools (category advtools) and inserts \$breadcrumbs
1842: at the correct position.
1843:
1844: input: \$breadcrumbs - a reference to the string containing prepared
1845: breadcrumbs (after render_tools call).
1846:
1847: returns: nothing
1.309 raeburn 1848:
1.261 droeschl 1849: =cut
1850:
1851: sub render_advtools {
1852: my ($breadcrumbs) = @_;
1853: return unless (defined $tools{'advtools'})
1854: and (scalar(@{$tools{'advtools'}}) > 0);
1855:
1856: $$breadcrumbs .= Apache::loncommon::head_subbox(
1857: funclist_from_array($tools{'advtools'}) );
1.242 droeschl 1858: }
1.53 matthew 1859:
1.57 matthew 1860: } # End of scope for @Crumbs
1.53 matthew 1861:
1862: ############################################################
1863: ############################################################
1864:
1.112 raeburn 1865: # Nested table routines.
1866: #
1867: # Routines to display form items in a multi-row table with 2 columns.
1868: # Uses nested tables to divide form elements into segments.
1869: # For examples of use see loncom/interface/lonnotify.pm
1870: #
1871: # Can be used in following order: ...
1872: # &start_pick_box()
1873: # row1
1874: # row2
1875: # row3 ... etc.
1.173 raeburn 1876: # &submit_row()
1.161 raeburn 1877: # &end_pick_box()
1.112 raeburn 1878: #
1879: # where row1, row 2 etc. are chosen from &role_select_row,&course_select_row,
1880: # &status_select_row and &email_default_row
1881: #
1882: # Can also be used in following order:
1883: #
1884: # &start_pick_box()
1885: # &row_title()
1886: # &row_closure()
1887: # &row_title()
1888: # &row_closure() ... etc.
1889: # &submit_row()
1890: # &end_pick_box()
1891: #
1892: # In general a &submit_row() call should proceed the call to &end_pick_box(),
1893: # as this routine adds a button for form submission.
1.113 raeburn 1894: # &submit_row() does not require a &row_closure after it.
1.112 raeburn 1895: #
1896: # &start_pick_box() creates a bounding table with 1-pixel wide black border.
1897: # rows should be placed between calls to &start_pick_box() and &end_pick_box.
1898: #
1899: # &row_title() adds a title in the left column for each segment.
1900: # &row_closure() closes a row with a 1-pixel wide black line.
1901: #
1902: # &role_select_row() provides a select box from which to choose 1 or more roles
1903: # &course_select_row provides ways of picking groups of courses
1904: # radio buttons: all, by category or by picking from a course picker pop-up
1905: # note: by category option is only displayed if a domain has implemented
1906: # selection by year, semester, department, number etc.
1907: #
1908: # &status_select_row() provides a select box from which to choose 1 or more
1909: # access types (current access, prior access, and future access)
1910: #
1911: # &email_default_row() provides text boxes for default e-mail suffixes for
1912: # different authentication types in a domain.
1913: #
1914: # &row_title() and &row_closure() are called internally by the &*_select_row
1915: # routines, but can also be called directly to start and end rows which have
1916: # needs that are not accommodated by the *_select_row() routines.
1917:
1.193 bisitz 1918: { # Start: row_count block for pick_box
1919: my @row_count;
1920:
1.112 raeburn 1921: sub start_pick_box {
1.313 raeburn 1922: my ($css_class,$id) = @_;
1.142 albertel 1923: if (defined($css_class)) {
1924: $css_class = 'class="'.$css_class.'"';
1925: } else {
1926: $css_class= 'class="LC_pick_box"';
1927: }
1.313 raeburn 1928: my $table_id;
1929: if (defined($id)) {
1930: $table_id = ' id="'.$id.'"';
1931: }
1.193 bisitz 1932: unshift(@row_count,0);
1.112 raeburn 1933: my $output = <<"END";
1.313 raeburn 1934: <table $css_class $table_id>
1.112 raeburn 1935: END
1936: return $output;
1937: }
1938:
1939: sub end_pick_box {
1.193 bisitz 1940: shift(@row_count);
1.112 raeburn 1941: my $output = <<"END";
1942: </table>
1943: END
1944: return $output;
1945: }
1946:
1.181 bisitz 1947: sub row_headline {
1948: my $output = <<"END";
1949: <tr><td colspan="2">
1950: END
1951: return $output;
1952: }
1953:
1.112 raeburn 1954: sub row_title {
1.243 amueller 1955: my ($title,$css_title_class,$css_value_class, $css_value_furtherAttributes) = @_;
1.193 bisitz 1956: $row_count[0]++;
1957: my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
1.142 albertel 1958: $css_title_class ||= 'LC_pick_box_title';
1959: $css_title_class = 'class="'.$css_title_class.'"';
1960:
1961: $css_value_class ||= 'LC_pick_box_value';
1962:
1.173 raeburn 1963: if ($title ne '') {
1964: $title .= ':';
1965: }
1.112 raeburn 1966: my $output = <<"ENDONE";
1.243 amueller 1967: <tr class="LC_pick_box_row" $css_value_furtherAttributes>
1.142 albertel 1968: <td $css_title_class>
1.173 raeburn 1969: $title
1.112 raeburn 1970: </td>
1.193 bisitz 1971: <td class="$css_value_class $css_class">
1.112 raeburn 1972: ENDONE
1973: return $output;
1974: }
1975:
1976: sub row_closure {
1.143 albertel 1977: my ($no_separator) =@_;
1.113 raeburn 1978: my $output = <<"ENDTWO";
1.112 raeburn 1979: </td>
1980: </tr>
1.143 albertel 1981: ENDTWO
1982: if (!$no_separator) {
1983: $output .= <<"ENDTWO";
1.112 raeburn 1984: <tr>
1.143 albertel 1985: <td colspan="2" class="LC_pick_box_separator">
1.112 raeburn 1986: </td>
1987: </tr>
1988: ENDTWO
1.143 albertel 1989: }
1.112 raeburn 1990: return $output;
1991: }
1992:
1.193 bisitz 1993: } # End: row_count block for pick_box
1994:
1.112 raeburn 1995: sub role_select_row {
1.147 raeburn 1996: my ($roles,$title,$css_class,$show_separate_custom,$cdom,$cnum) = @_;
1.236 raeburn 1997: my $crstype = 'Course';
1998: if ($cdom ne '' && $cnum ne '') {
1999: $crstype = &Apache::loncommon::course_type($cdom.'_'.$cnum);
2000: }
1.116 raeburn 2001: my $output;
2002: if (defined($title)) {
1.142 albertel 2003: $output = &row_title($title,$css_class);
1.116 raeburn 2004: }
1.142 albertel 2005: $output .= qq|
1.198 bisitz 2006: <select name="roles" multiple="multiple">\n|;
1.113 raeburn 2007: foreach my $role (@$roles) {
1.114 raeburn 2008: my $plrole;
2009: if ($role eq 'ow') {
2010: $plrole = &mt('Course Owner');
1.147 raeburn 2011: } elsif ($role eq 'cr') {
2012: if ($show_separate_custom) {
2013: if ($cdom ne '' && $cnum ne '') {
2014: my %course_customroles = &course_custom_roles($cdom,$cnum);
2015: foreach my $crrole (sort(keys(%course_customroles))) {
2016: my ($plcrrole) = ($crrole =~ m|^cr/[^/]+/[^/]+/(.+)$|);
2017: $output .= ' <option value="'.$crrole.'">'.$plcrrole.
2018: '</option>';
2019: }
2020: }
2021: } else {
2022: $plrole = &mt('Custom Role');
2023: }
1.114 raeburn 2024: } else {
1.236 raeburn 2025: $plrole=&Apache::lonnet::plaintext($role,$crstype);
1.114 raeburn 2026: }
1.147 raeburn 2027: if (($role ne 'cr') || (!$show_separate_custom)) {
2028: $output .= ' <option value="'.$role.'">'.$plrole.'</option>';
2029: }
1.112 raeburn 2030: }
1.142 albertel 2031: $output .= qq| </select>\n|;
1.116 raeburn 2032: if (defined($title)) {
2033: $output .= &row_closure();
2034: }
1.112 raeburn 2035: return $output;
2036: }
2037:
2038: sub course_select_row {
1.142 albertel 2039: my ($title,$formname,$totcodes,$codetitles,$idlist,$idlist_titles,
1.280 raeburn 2040: $css_class,$crstype,$standardnames) = @_;
1.142 albertel 2041: my $output = &row_title($title,$css_class);
1.280 raeburn 2042: $output .= &course_selection($formname,$totcodes,$codetitles,$idlist,$idlist_titles,$crstype,$standardnames);
1.169 raeburn 2043: $output .= &row_closure();
2044: return $output;
2045: }
2046:
2047: sub course_selection {
1.280 raeburn 2048: my ($formname,$totcodes,$codetitles,$idlist,$idlist_titles,$crstype,$standardnames) = @_;
1.169 raeburn 2049: my $output = qq|
1.142 albertel 2050: <script type="text/javascript">
1.218 bisitz 2051: // <![CDATA[
1.112 raeburn 2052: function coursePick (formname) {
2053: for (var i=0; i<formname.coursepick.length; i++) {
1.114 raeburn 2054: if (formname.coursepick[i].value == 'category') {
2055: courseSet('');
2056: }
1.112 raeburn 2057: if (!formname.coursepick[i].checked) {
2058: if (formname.coursepick[i].value == 'specific') {
2059: formname.coursetotal.value = 0;
2060: formname.courselist = '';
2061: }
2062: }
2063: }
2064: }
1.114 raeburn 2065: function setPick (formname) {
2066: for (var i=0; i<formname.coursepick.length; i++) {
2067: if (formname.coursepick[i].value == 'category') {
2068: formname.coursepick[i].checked = true;
2069: }
2070: formname.coursetotal.value = 0;
2071: formname.courselist = '';
2072: }
2073: }
1.218 bisitz 2074: // ]]>
1.112 raeburn 2075: </script>
2076: |;
1.237 raeburn 2077:
2078: my ($allcrs,$pickspec);
2079: if ($crstype eq 'Community') {
2080: $allcrs = &mt('All communities');
2081: $pickspec = &mt('Pick specific communities:');
2082: } else {
2083: $allcrs = &mt('All courses');
2084: $pickspec = &mt('Pick specific course(s):');
2085: }
2086:
1.112 raeburn 2087: my $courseform='<b>'.&Apache::loncommon::selectcourse_link
1.237 raeburn 2088: ($formname,'pickcourse','pickdomain','coursedesc','',1,$crstype).'</b>';
2089: $output .= '<input type="radio" name="coursepick" value="all" onclick="coursePick(this.form)" />'.$allcrs.'<br />';
1.112 raeburn 2090: if ($totcodes > 0) {
2091: my $numtitles = @$codetitles;
2092: if ($numtitles > 0) {
1.129 raeburn 2093: $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 2094: $output .= '<table><tr><td>'.$$codetitles[0].'<br />'."\n".
1.280 raeburn 2095: '<select name="'.$standardnames->[0].
1.114 raeburn 2096: '" onChange="setPick(this.form);courseSet('."'$$codetitles[0]'".')">'."\n".
1.112 raeburn 2097: ' <option value="-1" />Select'."\n";
2098: my @items = ();
2099: my @longitems = ();
2100: if ($$idlist{$$codetitles[0]} =~ /","/) {
1.113 raeburn 2101: @items = split(/","/,$$idlist{$$codetitles[0]});
1.112 raeburn 2102: } else {
2103: $items[0] = $$idlist{$$codetitles[0]};
2104: }
2105: if (defined($$idlist_titles{$$codetitles[0]})) {
2106: if ($$idlist_titles{$$codetitles[0]} =~ /","/) {
1.113 raeburn 2107: @longitems = split(/","/,$$idlist_titles{$$codetitles[0]});
1.112 raeburn 2108: } else {
2109: $longitems[0] = $$idlist_titles{$$codetitles[0]};
2110: }
2111: for (my $i=0; $i<@longitems; $i++) {
2112: if ($longitems[$i] eq '') {
2113: $longitems[$i] = $items[$i];
2114: }
2115: }
2116: } else {
2117: @longitems = @items;
2118: }
2119: for (my $i=0; $i<@items; $i++) {
2120: $output .= ' <option value="'.$items[$i].'">'.$longitems[$i].'</option>';
2121: }
2122: $output .= '</select></td>';
2123: for (my $i=1; $i<$numtitles; $i++) {
2124: $output .= '<td>'.$$codetitles[$i].'<br />'."\n".
1.280 raeburn 2125: '<select name="'.$standardnames->[$i].
1.112 raeburn 2126: '" onChange="courseSet('."'$$codetitles[$i]'".')">'."\n".
2127: '<option value="-1"><-Pick '.$$codetitles[$i-1].'</option>'."\n".
2128: '</select>'."\n".
2129: '</td>';
2130: }
2131: $output .= '</tr></table><br />';
2132: }
2133: }
1.238 raeburn 2134: $output .= '<input type="radio" name="coursepick" value="specific" onclick="coursePick(this.form);opencrsbrowser('."'".$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 2135: return $output;
2136: }
2137:
2138: sub status_select_row {
1.142 albertel 2139: my ($types,$title,$css_class) = @_;
1.117 raeburn 2140: my $output;
2141: if (defined($title)) {
1.142 albertel 2142: $output = &row_title($title,$css_class,'LC_pick_box_select');
1.117 raeburn 2143: }
1.142 albertel 2144: $output .= qq|
1.198 bisitz 2145: <select name="types" multiple="multiple">\n|;
1.113 raeburn 2146: foreach my $status_type (sort(keys(%{$types}))) {
1.112 raeburn 2147: $output .= ' <option value="'.$status_type.'">'.$$types{$status_type}.'</option>';
2148: }
1.142 albertel 2149: $output .= qq| </select>\n|;
1.117 raeburn 2150: if (defined($title)) {
2151: $output .= &row_closure();
2152: }
1.112 raeburn 2153: return $output;
2154: }
2155:
2156: sub email_default_row {
1.142 albertel 2157: my ($authtypes,$title,$descrip,$css_class) = @_;
2158: my $output = &row_title($title,$css_class);
2159: $output .= $descrip.
2160: &Apache::loncommon::start_data_table().
2161: &Apache::loncommon::start_data_table_header_row().
2162: '<th>'.&mt('Authentication Method').'</th>'.
2163: '<th align="right">'.&mt('Username -> e-mail conversion').'</th>'."\n".
2164: &Apache::loncommon::end_data_table_header_row();
1.112 raeburn 2165: my $rownum = 0;
1.113 raeburn 2166: foreach my $auth (sort(keys(%{$authtypes}))) {
1.112 raeburn 2167: my ($userentry,$size);
2168: if ($auth =~ /^krb/) {
2169: $userentry = '';
2170: $size = 25;
2171: } else {
2172: $userentry = 'username@';
2173: $size = 15;
2174: }
1.142 albertel 2175: $output .= &Apache::loncommon::start_data_table_row().
2176: '<td> '.$$authtypes{$auth}.'</td>'.
2177: '<td align="right">'.$userentry.
2178: '<input type="text" name="'.$auth.'" size="'.$size.'" /></td>'.
2179: &Apache::loncommon::end_data_table_row();
1.112 raeburn 2180: }
1.142 albertel 2181: $output .= &Apache::loncommon::end_data_table();
1.112 raeburn 2182: $output .= &row_closure();
2183: return $output;
2184: }
2185:
2186:
2187: sub submit_row {
1.142 albertel 2188: my ($title,$cmd,$submit_text,$css_class) = @_;
2189: my $output = &row_title($title,$css_class,'LC_pick_box_submit');
1.112 raeburn 2190: $output .= qq|
2191: <br />
2192: <input type="hidden" name="command" value="$cmd" />
2193: <input type="submit" value="$submit_text"/>
2194: <br /><br />
1.142 albertel 2195: \n|;
1.112 raeburn 2196: return $output;
2197: }
1.1 stredwic 2198:
1.147 raeburn 2199: sub course_custom_roles {
2200: my ($cdom,$cnum) = @_;
2201: my %returnhash=();
2202: my %coursepersonnel=&Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
2203: foreach my $person (sort(keys(%coursepersonnel))) {
2204: my ($role) = ($person =~ /^([^:]+):/);
2205: my ($end,$start) = split(/:/,$coursepersonnel{$person});
2206: if ($end == -1 && $start == -1) {
2207: next;
2208: }
2209: if ($role =~ m|^cr/[^/]+/[^/]+/[^/]|) {
2210: $returnhash{$role} ++;
2211: }
2212: }
2213: return %returnhash;
2214: }
2215:
2216:
1.270 www 2217: sub resource_info_box {
1.300 raeburn 2218: my ($symb,$onlyfolderflag,$stuvcurrent,$stuvdisp)=@_;
1.270 www 2219: my $return='';
1.300 raeburn 2220: if ($stuvcurrent ne '') {
2221: $return = '<div class="LC_left_float">';
2222: }
1.270 www 2223: if ($symb) {
1.300 raeburn 2224: $return.=&Apache::loncommon::start_data_table();
1.271 www 2225: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symb);
2226: my $folder=&Apache::lonnet::gettitle($map);
2227: $return.=&Apache::loncommon::start_data_table_row().
1.300 raeburn 2228: '<th align="left">'.&mt('Folder:').'</th><td>'.$folder.'</td>'.
1.271 www 2229: &Apache::loncommon::end_data_table_row();
1.270 www 2230: unless ($onlyfolderflag) {
2231: $return.=&Apache::loncommon::start_data_table_row().
1.300 raeburn 2232: '<th align="left">'.&mt('Resource:').'</th><td>'.&Apache::lonnet::gettitle($symb).'</td>'.
2233: &Apache::loncommon::end_data_table_row();
2234: }
2235: if ($stuvcurrent ne '') {
2236: $return .= &Apache::loncommon::start_data_table_row().
2237: '<th align="left">'.&mt("Student's current version:").'</th><td>'.$stuvcurrent.'</td>'.
2238: &Apache::loncommon::end_data_table_row();
2239: }
2240: if ($stuvdisp ne '') {
2241: $return .= &Apache::loncommon::start_data_table_row().
2242: '<th align="left">'.&mt("Student's version displayed:").'</th><td>'.$stuvdisp.'</td>'.
1.270 www 2243: &Apache::loncommon::end_data_table_row();
2244: }
1.271 www 2245: $return.=&Apache::loncommon::end_data_table();
1.270 www 2246: } else {
2247: $return='<p><span class="LC_error">'.&mt('No context provided.').'</span></p>';
2248: }
1.300 raeburn 2249: if ($stuvcurrent ne '') {
2250: $return .= '</div>';
2251: }
1.270 www 2252: return $return;
2253: }
2254:
1.119 raeburn 2255: ##############################################
2256: ##############################################
1.179 raeburn 2257:
2258: # topic_bar
2259: #
1.248 wenzelju 2260: # Generates a div containing an (optional) number with a white background followed by a
1.240 raeburn 2261: # title with a background color defined in the corresponding CSS: LC_topic_bar
2262: # Inputs:
1.248 wenzelju 2263: # 1. number to display.
2264: # If input for number is empty only the title will be displayed.
1.240 raeburn 2265: # 2. title text to display.
1.313 raeburn 2266: # 3. optional id for the <div>
1.240 raeburn 2267: # Outputs - a scalar containing html mark-up for the div.
2268:
1.179 raeburn 2269: sub topic_bar {
1.313 raeburn 2270: my ($num,$title,$id) = @_;
1.248 wenzelju 2271: my $number = '';
2272: if ($num ne '') {
2273: $number = '<span>'.$num.'</span>';
1.239 amueller 2274: }
1.313 raeburn 2275: if ($id ne '') {
2276: $id = 'id="'.$id.'"';
2277: }
2278: return '<div class="LC_topic_bar" '.$id.'>'.$number.$title.'</div>';
1.179 raeburn 2279: }
2280:
2281: ##############################################
2282: ##############################################
1.119 raeburn 2283: # echo_form_input
2284: #
2285: # Generates html markup to add form elements from the referrer page
2286: # as hidden form elements (values encoded) in the new page.
2287: #
2288: # Intended to support two types of use
2289: # (a) to allow backing up to earlier pages in a multi-page
2290: # form submission process using a breadcrumb trail.
2291: #
2292: # (b) to allow the current page to be reloaded with form elements
2293: # set on previous page to remain unchanged. An example would
2294: # be where the a page containing a dynamically-built table of data is
2295: # is to be redisplayed, with only the sort order of the data changed.
2296: #
2297: # Inputs:
2298: # 1. Reference to array of form elements in the submitted form on
2299: # the referrer page which are to be excluded from the echoed elements.
2300: #
2301: # 2. Reference to array of regular expressions, which if matched in the
2302: # name of the form element n the referrer page will be omitted from echo.
2303: #
2304: # Outputs: A scalar containing the html markup for the echoed form
2305: # elements (all as hidden elements, with values encoded).
2306:
2307:
2308: sub echo_form_input {
2309: my ($excluded,$regexps) = @_;
2310: my $output = '';
2311: foreach my $key (keys(%env)) {
2312: if ($key =~ /^form\.(.+)$/) {
2313: my $name = $1;
2314: my $match = 0;
1.285 raeburn 2315: if (ref($excluded) eq 'ARRAY') {
2316: next if (grep(/^\Q$name\E$/,@{$excluded}));
2317: }
2318: if (ref($regexps) eq 'ARRAY') {
2319: if (@{$regexps} > 0) {
2320: foreach my $regexp (@{$regexps}) {
2321: if ($name =~ /$regexp/) {
2322: $match = 1;
2323: last;
1.119 raeburn 2324: }
2325: }
2326: }
1.285 raeburn 2327: }
2328: next if ($match);
2329: if (ref($env{$key}) eq 'ARRAY') {
2330: foreach my $value (@{$env{$key}}) {
2331: $value = &HTML::Entities::encode($value,'<>&"');
2332: $output .= '<input type="hidden" name="'.$name.
2333: '" value="'.$value.'" />'."\n";
1.119 raeburn 2334: }
1.285 raeburn 2335: } else {
2336: my $value = &HTML::Entities::encode($env{$key},'<>&"');
2337: $output .= '<input type="hidden" name="'.$name.
2338: '" value="'.$value.'" />'."\n";
1.119 raeburn 2339: }
2340: }
2341: }
2342: return $output;
2343: }
2344:
2345: ##############################################
2346: ##############################################
2347: # set_form_elements
2348: #
2349: # Generates javascript to set form elements to values based on
2350: # corresponding values for the same form elements when the page was
2351: # previously submitted.
2352: #
2353: # Last submission values are read from hidden form elements in referring
2354: # page which have the same name, i.e., generated by &echo_form_input().
2355: #
2356: # Intended to be called by onload event.
2357: #
1.121 raeburn 2358: # Inputs:
2359: # (a) Reference to hash of echoed form elements to be set.
1.119 raeburn 2360: #
2361: # In the hash, keys are the form element names, and the values are the
2362: # element type (selectbox, radio, checkbox or text -for textbox, textarea or
2363: # hidden).
1.121 raeburn 2364: #
2365: # (b) Optional reference to hash of stored elements to be set.
2366: #
2367: # If the page being displayed is a page which permits modification of
2368: # previously stored data, e.g., the first page in a multi-page submission,
2369: # then if stored is supplied, form elements will be set to the last stored
2370: # values. If user supplied values are also available for the same elements
2371: # these will replace the stored values.
2372: #
1.119 raeburn 2373: # Output:
2374: #
2375: # javascript function - set_form_elements() which sets form elements,
2376: # expects an argument: formname - the name of the form according to
2377: # the DOM, e.g., document.compose
2378:
2379: sub set_form_elements {
1.121 raeburn 2380: my ($elements,$stored) = @_;
2381: my %values;
1.119 raeburn 2382: my $output .= 'function setFormElements(courseForm) {
1.121 raeburn 2383: ';
2384: if (defined($stored)) {
2385: foreach my $name (keys(%{$stored})) {
2386: if (exists($$elements{$name})) {
2387: if (ref($$stored{$name}) eq 'ARRAY') {
2388: $values{$name} = $$stored{$name};
2389: } else {
2390: @{$values{$name}} = ($$stored{$name});
2391: }
2392: }
2393: }
2394: }
2395:
1.119 raeburn 2396: foreach my $key (keys(%env)) {
2397: if ($key =~ /^form\.(.+)$/) {
2398: my $name = $1;
2399: if (exists($$elements{$name})) {
1.121 raeburn 2400: @{$values{$name}} = &Apache::loncommon::get_env_multiple($key);
2401: }
2402: }
2403: }
2404:
2405: foreach my $name (keys(%values)) {
2406: for (my $i=0; $i<@{$values{$name}}; $i++) {
2407: $values{$name}[$i] = &HTML::Entities::decode($values{$name}[$i],'<>&"');
2408: $values{$name}[$i] =~ s/([\r\n\f]+)/\\n/g;
2409: $values{$name}[$i] =~ s/"/\\"/g;
2410: }
1.234 raeburn 2411: if (($$elements{$name} eq 'text') || ($$elements{$name} eq 'hidden')) {
1.121 raeburn 2412: my $numvalues = @{$values{$name}};
2413: if ($numvalues > 1) {
2414: my $valuestring = join('","',@{$values{$name}});
2415: $output .= qq|
1.119 raeburn 2416: var textvalues = new Array ("$valuestring");
1.147 raeburn 2417: var total = courseForm.elements['$name'].length;
1.119 raeburn 2418: if (total > $numvalues) {
2419: total = $numvalues;
2420: }
2421: for (var i=0; i<total; i++) {
1.147 raeburn 2422: courseForm.elements['$name']\[i].value = textvalues[i];
1.119 raeburn 2423: }
2424: |;
1.121 raeburn 2425: } else {
2426: $output .= qq|
1.147 raeburn 2427: courseForm.elements['$name'].value = "$values{$name}[0]";
1.119 raeburn 2428: |;
1.121 raeburn 2429: }
2430: } else {
2431: $output .= qq|
1.147 raeburn 2432: var elementLength = courseForm.elements['$name'].length;
1.119 raeburn 2433: if (elementLength==undefined) {
2434: |;
1.121 raeburn 2435: foreach my $value (@{$values{$name}}) {
2436: if ($$elements{$name} eq 'selectbox') {
2437: $output .= qq|
1.147 raeburn 2438: if (courseForm.elements['$name'].options[0].value == "$value") {
2439: courseForm.elements['$name'].options[0].selected = true;
1.119 raeburn 2440: }|;
1.121 raeburn 2441: } elsif (($$elements{$name} eq 'radio') ||
2442: ($$elements{$name} eq 'checkbox')) {
2443: $output .= qq|
1.147 raeburn 2444: if (courseForm.elements['$name'].value == "$value") {
1.148 albertel 2445: courseForm.elements['$name'].checked = true;
1.234 raeburn 2446: } else {
2447: courseForm.elements['$name'].checked = false;
1.119 raeburn 2448: }|;
1.121 raeburn 2449: }
2450: }
2451: $output .= qq|
1.119 raeburn 2452: }
2453: else {
1.147 raeburn 2454: for (var i=0; i<courseForm.elements['$name'].length; i++) {
1.119 raeburn 2455: |;
1.121 raeburn 2456: if ($$elements{$name} eq 'selectbox') {
2457: $output .= qq|
1.147 raeburn 2458: courseForm.elements['$name'].options[i].selected = false;|;
1.121 raeburn 2459: } elsif (($$elements{$name} eq 'radio') ||
2460: ($$elements{$name} eq 'checkbox')) {
2461: $output .= qq|
1.147 raeburn 2462: courseForm.elements['$name']\[i].checked = false;|;
1.121 raeburn 2463: }
2464: $output .= qq|
1.119 raeburn 2465: }
1.147 raeburn 2466: for (var j=0; j<courseForm.elements['$name'].length; j++) {
1.119 raeburn 2467: |;
1.121 raeburn 2468: foreach my $value (@{$values{$name}}) {
2469: if ($$elements{$name} eq 'selectbox') {
2470: $output .= qq|
1.147 raeburn 2471: if (courseForm.elements['$name'].options[j].value == "$value") {
2472: courseForm.elements['$name'].options[j].selected = true;
1.119 raeburn 2473: }|;
1.121 raeburn 2474: } elsif (($$elements{$name} eq 'radio') ||
2475: ($$elements{$name} eq 'checkbox')) {
2476: $output .= qq|
1.147 raeburn 2477: if (courseForm.elements['$name']\[j].value == "$value") {
2478: courseForm.elements['$name']\[j].checked = true;
1.119 raeburn 2479: }|;
1.121 raeburn 2480: }
2481: }
2482: $output .= qq|
1.119 raeburn 2483: }
2484: }
2485: |;
2486: }
2487: }
2488: $output .= "
1.235 raeburn 2489: return;
1.119 raeburn 2490: }\n";
2491: return $output;
2492: }
2493:
1.158 raeburn 2494: ##############################################
2495: ##############################################
2496:
1.291 raeburn 2497: sub file_submissionchk_js {
2498: my ($turninpaths,$multiples) = @_;
2499: my $overwritewarn = &mt('File(s) you uploaded for your submission will overwrite existing file(s) submitted for this item').'\\n'.
2500: &mt('Continue submission and overwrite the file(s)?');
2501: my $delfilewarn = &mt('You have indicated you wish to remove some files previously included in your submission.').'\\n'.
2502: &mt('Continue submission with these files removed?');
1.292 raeburn 2503: my ($turninpathtext,$multtext,$arrayindexofjs);
1.291 raeburn 2504: if (ref($turninpaths) eq 'HASH') {
2505: foreach my $key (sort(keys(%{$turninpaths}))) {
2506: $turninpathtext .= " if (prefix == '$key') {\n".
2507: " return '$turninpaths->{$key}';\n".
2508: " }\n";
2509: }
2510: }
2511: $turninpathtext .= " return '';\n";
2512: if (ref($multiples) eq 'HASH') {
2513: foreach my $key (sort(keys(%{$multiples}))) {
2514: $multtext .= " if (prefix == '$key') {\n".
2515: " return '$multiples->{$key}';\n".
2516: " }\n";
2517: }
2518: }
2519: $multtext .= " return '';\n";
1.292 raeburn 2520:
1.293 raeburn 2521: $arrayindexofjs = &Apache::loncommon::javascript_array_indexof();
1.291 raeburn 2522: return <<"ENDSCRIPT";
2523: <script type="text/javascript">
2524: // <![CDATA[
2525:
2526: function file_submission_check(formname,path,multiresp) {
2527: var elemnum = formname.elements.length;
2528: if (elemnum == 0) {
2529: return true;
2530: }
2531: var alloverwrites = [];
2532: var alldelconfirm = [];
2533: var result = [];
2534: var submitter;
2535: var subprefix;
2536: var allsub = getIndexByName(formname,'all_submit');
2537: if (allsub == -1) {
2538: var idx = getIndexByName(formname,'submitted');
2539: if (idx != -1) {
2540: var subval = String(formname.elements[idx].value);
2541: submitter = subval.replace(/^part_/,'');
2542: result = overwritten_check(formname,path,multiresp,submitter);
2543: alloverwrites.push.apply(alloverwrites,result['overwrite']);
2544: alldelconfirm.push.apply(alldelconfirm,result['delete']);
2545: }
2546: } else {
2547: if (formname.elements[allsub].type == 'submit') {
2548: var partsub = /^\\d+\\.\\d+_submit_.+\$/;
2549: var allprefixes = [];
2550: var allparts = [];
2551: for (var i=0; i<formname.elements.length; i++) {
2552: if (formname.elements[i].type == 'submit') {
2553: var elemname = formname.elements[i].name;
2554: var subname = String(elemname);
2555: var savesub = String(elemname);
2556: if (partsub.test(subname)) {
2557: var prefix = subname.replace(/_submit_.+\$/,'');
2558: if (allprefixes.indexOf(prefix) == -1) {
2559: allprefixes.push(prefix);
2560: allparts[prefix] = [];
2561: }
2562: var part = savesub.replace(/^\\d+\\.\\d+_submit_/,'');
2563: allparts[prefix].push(part);
2564: }
2565: }
2566: }
2567: for (var k=0; k<allprefixes.length; k++) {
2568: var idx = getIndexByName(formname,allprefixes[k]+'_submitted');
2569: if (idx > -1) {
2570: if (formname.elements[idx].value != 'yes') {
2571: submitterval = formname.elements[idx].value;
2572: submitter = submitterval.replace(/^part_/,'');
2573: subprefix = allprefixes[k];
2574: result = overwritten_check(formname,path,multiresp,submitter,subprefix);
2575: alloverwrites.push.apply(alloverwrites,result['overwrite']);
2576: alldelconfirm.push.apply(alldelconfirm,result['delete']);
2577: break;
2578: }
2579: }
2580: }
2581: if (submitter == '' || submitter == undefined) {
2582: for (var m=0; m<allprefixes.length; m++) {
2583: for (var n=0; n<allparts[allprefixes[m]].length; n++) {
2584: var result = overwritten_check(formname,path,multiresp,allparts[allprefixes[m]][n],allprefixes[m]);
2585: alloverwrites.push.apply(alloverwrites,result['overwrite']);
2586: alldelconfirm.push.apply(alldelconfirm,result['delete']);
2587: }
2588: }
2589: }
2590: }
2591: }
2592: if (alloverwrites.length > 0) {
2593: if (!confirm("$overwritewarn")) {
2594: for (var n=0; n<alloverwrites.length; n++) {
2595: formname.elements[alloverwrites[n]].value = "";
2596: }
2597: return false;
2598: }
2599: }
2600: if (alldelconfirm.length > 0) {
2601: if (!confirm("$delfilewarn")) {
2602: for (var p=0; p<alldelconfirm.length; p++) {
2603: formname.elements[alldelconfirm[p]].checked = false;
2604: }
2605: return false;
2606: }
2607: }
2608: return true;
2609: }
2610:
2611: function getIndexByName(formname,item) {
2612: for (var i=0;i<formname.elements.length;i++) {
2613: if (formname.elements[i].name == item) {
2614: return i;
2615: }
2616: }
2617: return -1;
2618: }
2619:
2620: function overwritten_check(formname,path,multiresp,part,prefix) {
2621: var result = [];
2622: result['overwrite'] = [];
2623: result['delete'] = [];
2624: var elemnum = formname.elements.length;
2625: if (elemnum == 0) {
2626: return result;
2627: }
2628: var uploadstr;
2629: var deletestr;
2630: if ((prefix != undefined) && (prefix != '')) {
2631: var prepend = prefix+'_';
2632: uploadstr = new RegExp("^"+prepend+"HWFILE"+part+".+\$");
2633: deletestr = new RegExp("^"+prepend+"HWFILE"+part+".+_\\\\d+_delete\$");
2634: multiresp = check_for_multiples(prepend);
2635: path = check_for_turninpath(prepend);
2636: } else {
2637: uploadstr = new RegExp("^HWFILE"+part+".+\$");
2638: deletestr = new RegExp("^HWFILE"+part+".+_\\\\d+_delete\$");
2639: }
2640: var alluploads = [];
2641: var allchecked = [];
2642: var allskipdel = [];
2643: var fnametrim = /[^\\/\\\\]+\$/;
2644: for (var i=0; i<formname.elements.length; i++) {
2645: var id = formname.elements[i].id;
2646: if (id != '') {
2647: if (uploadstr.test(id)) {
2648: if (formname.elements[i].type == 'file') {
2649: alluploads.push(id);
2650: } else {
2651: if (deletestr.test(id)) {
2652: if (formname.elements[i].type == 'checkbox') {
2653: if (formname.elements[i].checked) {
2654: allchecked.push(id);
2655: }
2656: }
2657: }
2658: }
2659: }
2660: }
2661: }
2662: for (var j=0; j<alluploads.length; j++) {
2663: var delstr = new RegExp("^"+alluploads[j]+"_\\\\d+_delete\$");
2664: var delboxes = [];
2665: for (var k=0; k<formname.elements.length; k++) {
2666: var id = formname.elements[k].id;
2667: if ((id != '') && (id != undefined)) {
2668: if (delstr.test(id)) {
2669: if (formname.elements[k].type == 'checkbox') {
2670: delboxes.push(id);
2671: }
2672: }
2673: }
2674: }
2675: if (delboxes.length > 0) {
2676: if ((formname.elements[alluploads[j]].value != undefined) &&
2677: (formname.elements[alluploads[j]].value != '')) {
2678: var filepath = formname.elements[alluploads[j]].value;
2679: var newfilename = fnametrim.exec(filepath);
2680: if (newfilename != null) {
2681: var filename = String(newfilename);
2682: var nospaces = filename.replace(/\\s+/g,'_');
2683: var nospecials = nospaces.replace(/[^\\/\\w\\.\\-]/g,'');
2684: var cleanfilename = nospecials.replace(/\\.(\\d+\\.)/g,"_\$1");
2685: if (cleanfilename != '') {
2686: var fullpath = path+"/"+cleanfilename;
2687: if (multiresp == 1) {
2688: var partid = String(alluploads[i]);
2689: var subdir = partid.replace(/^\\d*.?\\d*_?HWFILE/,'');
2690: if (subdir != "" && subdir != undefined) {
2691: fullpath = path+"/"+subdir+"/"+cleanfilename;
2692: }
2693: }
2694: for (var m=0; m<delboxes.length; m++) {
2695: if (fullpath == formname.elements[delboxes[m]].value) {
2696: if (formname.elements[delboxes[m]].checked) {
2697: allskipdel.push(delboxes[m]);
2698: } else {
2699: result['overwrite'].push(alluploads[j]);
2700: }
2701: break;
2702: }
2703: }
2704: }
2705: }
2706: }
2707: }
2708: }
2709: if (allchecked.length > 0) {
2710: if (allskipdel.length > 0) {
2711: for (var n=0; n<allchecked.length; n++) {
2712: if (allskipdel.indexOf(allchecked[n]) == -1) {
2713: result['delete'].push(allchecked[n]);
2714: }
2715: }
2716: } else {
2717: result['delete'].push.apply(result['delete'],allchecked);
2718: }
2719: }
2720: return result;
2721: }
2722:
2723: function check_for_multiples(prefix) {
2724: $multtext
2725: }
2726:
2727: function check_for_turninpath(prefix) {
2728: $turninpathtext
2729: }
2730:
2731: // ]]>
2732: </script>
2733:
1.292 raeburn 2734: $arrayindexofjs
2735:
1.291 raeburn 2736: ENDSCRIPT
2737: }
2738:
2739: ##############################################
2740: ##############################################
2741:
1.313 raeburn 2742: sub resize_scrollbox_js {
2743: my ($context,$tabidstr) = @_;
2744: my (%names,$paddingwfrac,$offsetwfrac,$offsetv,$minw,$minv);
2745: if ($context eq 'docs') {
2746: %names = (
2747: boxw => 'contenteditor',
2748: item => 'contentlist',
2749: header => 'uploadfileresult',
2750: scroll => 'contentscroll',
2751: boxh => 'contenteditor',
2752: );
2753: $paddingwfrac = 0.09;
2754: $offsetwfrac = 0.015;
2755: $offsetv = 20;
2756: $minw = 250;
2757: $minv = 200;
2758: } elsif ($context eq 'params') {
2759: %names = (
2760: boxw => 'parameditor',
2761: item => 'mapmenuinner',
2762: header => 'parmstep1',
2763: scroll => 'mapmenuscroll',
2764: boxh => 'parmlevel',
2765: );
2766: $paddingwfrac = 0.2;
2767: $offsetwfrac = 0.015;
2768: $offsetv = 80;
2769: $minw = 100;
2770: $minv = 100;
2771: }
2772: my $viewport_js = &Apache::loncommon::viewport_geometry_js();
2773: my $output = '
2774:
2775: window.onresize=callResize;
2776:
2777: ';
2778: if ($context eq 'docs') {
2779: $output .= '
2780: var activeTab;
2781: ';
2782: }
2783: $output .= <<"FIRST";
2784:
2785: $viewport_js
2786:
2787: function resize_scrollbox(scrollboxname,chkw,chkh) {
2788: var scrollboxid = 'div_'+scrollboxname;
2789: var scrolltableid = 'table_'+scrollboxname;
2790: var scrollbox;
2791: var scrolltable;
2792:
2793: if (document.getElementById("$names{'boxw'}") == null) {
2794: return;
2795: }
2796:
2797: if (document.getElementById(scrollboxid) == null) {
2798: return;
2799: } else {
2800: scrollbox = document.getElementById(scrollboxid);
2801: }
2802:
2803:
2804: if (document.getElementById(scrolltableid) == null) {
2805: return;
2806: } else {
2807: scrolltable = document.getElementById(scrolltableid);
2808: }
2809:
2810: init_geometry();
2811: var vph = Geometry.getViewportHeight();
2812: var vpw = Geometry.getViewportWidth();
2813:
2814: FIRST
2815: if ($context eq 'docs') {
2816: $output .= "
2817: var alltabs = ['$tabidstr'];
2818: ";
2819: } elsif ($context eq 'params') {
2820: $output .= "
2821: if (document.getElementById('$names{'boxh'}') == null) {
2822: return;
2823: }
2824: ";
2825: }
2826: $output .= <<"SECOND";
2827: var listwchange;
2828: if (chkw == 1) {
2829: var boxw = document.getElementById("$names{'boxw'}").offsetWidth;
2830: var itemw;
2831: var itemid = document.getElementById("$names{'item'}");
2832: if (itemid != null) {
2833: itemw = itemid.offsetWidth;
2834: }
2835: var itemwstart = itemw;
2836:
2837: var scrollboxw = scrollbox.offsetWidth;
2838: var scrollboxscrollw = scrollbox.scrollWidth;
2839:
2840: var offsetw = parseInt(vpw * $offsetwfrac);
2841: var paddingw = parseInt(vpw * $paddingwfrac);
2842:
2843: var minscrollboxw = $minw;
2844: var maxcolw = 0;
2845: SECOND
2846: if ($context eq 'docs') {
2847: $output .= <<"DOCSONE";
2848: var actabw = 0;
2849: for (var i=0; i<alltabs.length; i++) {
2850: if (activeTab == alltabs[i]) {
2851: actabw = document.getElementById(alltabs[i]).offsetWidth;
2852: if (actabw > maxcolw) {
2853: maxcolw = actabw;
2854: }
2855: } else {
2856: if (document.getElementById(alltabs[i]) != null) {
2857: var thistab = document.getElementById(alltabs[i]);
2858: thistab.style.visibility = 'hidden';
2859: thistab.style.display = 'block';
2860: var tabw = document.getElementById(alltabs[i]).offsetWidth;
2861: thistab.style.display = 'none';
2862: thistab.style.visibility = '';
2863: if (tabw > maxcolw) {
2864: maxcolw = tabw;
2865: }
2866: }
2867: }
2868: }
2869: DOCSONE
2870: } elsif ($context eq 'params') {
2871: $output .= <<"PARAMSONE";
2872: var parmlevelrows = new Array();
2873: var mapmenucells = new Array();
2874: parmlevelrows = document.getElementById("$names{'boxh'}").rows;
2875: var numrows = parmlevelrows.length;
2876: if (numrows > 1) {
2877: mapmenucells = parmlevelrows[2].getElementsByTagName('td');
2878: }
2879: maxcolw = mapmenucells[0].offsetWidth;
2880: PARAMSONE
2881: }
2882: $output .= <<"THIRD";
2883: if (maxcolw > 0) {
2884: var newscrollboxw;
2885: if (maxcolw+paddingw+scrollboxscrollw<boxw) {
2886: newscrollboxw = boxw-paddingw-maxcolw;
2887: if (newscrollboxw < minscrollboxw) {
2888: newscrollboxw = minscrollboxw;
2889: }
2890: scrollbox.style.width = newscrollboxw+"px";
2891: if (newscrollboxw != scrollboxw) {
2892: var newitemw = newscrollboxw-offsetw;
2893: itemid.style.width = newitemw+"px";
2894: }
2895: } else {
2896: newscrollboxw = boxw-paddingw-maxcolw;
2897: if (newscrollboxw < minscrollboxw) {
2898: newscrollboxw = minscrollboxw;
2899: }
2900: scrollbox.style.width = newscrollboxw+"px";
2901: if (newscrollboxw != scrollboxw) {
2902: var newitemw = newscrollboxw-offsetw;
2903: itemid.style.width = newitemw+"px";
2904: }
2905: }
2906:
2907: if (newscrollboxw != scrollboxw) {
2908: var newscrolltablew = newscrollboxw+offsetw;
2909: scrolltable.style.width = newscrolltablew+"px";
2910: }
2911: }
2912:
2913: if (itemid.offsetWidth != itemwstart) {
2914: listwchange = 1;
2915: }
2916: THIRD
2917: if ($context eq 'docs') {
2918: $output .= <<"DOCSTWO";
2919: if (activeTab == 'cc1') {
2920: if (document.getElementById('cc_hrule') != null) {
2921: document.getElementById('cc_hrule').style.width=actabw+"px";
2922: }
2923: } else {
2924: if (activeTab == 'bb1') {
2925: if (document.getElementById('bb_hrule') != null) {
2926: document.getElementById('bb_hrule').style.width=actabw+"px";
2927: }
2928: } else {
2929: if (activeTab == 'ee2') {
2930: if (document.getElementById('ee_hrule') != null) {
2931: document.getElementById('ee_hrule').style.width=actabw+"px";
2932: }
2933: }
2934: }
2935: }
2936: DOCSTWO
2937: }
2938: $output .= <<"FOURTH";
2939: }
2940: if ((chkh == 1) || (listwchange)) {
2941: var primaryheight = document.getElementById('LC_nav_bar').offsetHeight;
2942: var secondaryheight = document.getElementById('LC_secondary_menu').offsetHeight;
2943: var crumbsheight = document.getElementById('LC_breadcrumbs').offsetHeight;
2944: var dccidheight = 0;
2945: if (document.getElementById('dccid') != null) {
2946: dccidheight = document.getElementById('dccid').offsetHeight;
2947: }
2948: var headerheight = 0;
2949: if (document.getElementById("$names{'header'}") != null) {
2950: headerheight = document.getElementById("$names{'header'}").offsetHeight;
2951: }
2952: var tabbedheight = document.getElementById("tabbededitor").offsetHeight;
2953: var boxheight = document.getElementById("$names{'boxh'}").offsetHeight;
2954: var freevspace = vph-(primaryheight+secondaryheight+crumbsheight+dccidheight+headerheight+tabbedheight+boxheight);
2955:
2956: var scrollboxheight = scrollbox.offsetHeight;
2957: var scrollboxscrollheight = scrollbox.scrollHeight;
2958:
2959: var minvscrollbox = $minv;
2960: var offsetv = $offsetv;
2961: var newscrollboxheight;
2962: if (freevspace < 0) {
2963: newscrollboxheight = scrollboxheight+freevspace-offsetv;
2964: if (newscrollboxheight < minvscrollbox) {
2965: newscrollboxheight = minvscrollbox;
2966: }
2967: scrollbox.style.height = newscrollboxheight + "px";
2968: } else {
2969: if (scrollboxscrollheight > scrollboxheight) {
2970: if (freevspace > offsetv) {
2971: newscrollboxheight = scrollboxheight+freevspace-offsetv;
2972: if (newscrollboxheight < minvscrollbox) {
2973: newscrollboxheight = minvscrollbox;
2974: }
2975: scrollbox.style.height = newscrollboxheight+"px";
2976: }
2977: }
2978: }
2979: scrollboxheight = scrollbox.offsetHeight;
2980: var itemh = document.getElementById("$names{'item'}").offsetHeight;
2981:
2982: if (scrollboxscrollheight <= scrollboxheight) {
2983: if ((itemh+offsetv)<scrollboxheight) {
2984: newscrollheight = itemh+offsetv;
2985: scrollbox.style.height = newscrollheight+"px";
2986: }
2987: }
2988: }
2989: return;
2990: }
2991:
2992: function callResize() {
2993: var timer;
2994: clearTimeout(timer);
2995: timer=setTimeout('resize_scrollbox("$names{'scroll'}","1","1")',500);
2996: }
2997:
2998: FOURTH
2999: return $output;
3000: }
3001:
3002:
3003: ##############################################
3004: ##############################################
3005:
1.158 raeburn 3006: # javascript_valid_email
3007: #
3008: # Generates javascript to validate an e-mail address.
3009: # Returns a javascript function which accetps a form field as argumnent, and
3010: # returns false if field.value does not satisfy two regular expression matches
3011: # for a valid e-mail address. Backwards compatible with old browsers without
3012: # support for javascript RegExp (just checks for @ in field.value in this case).
3013:
3014: sub javascript_valid_email {
3015: my $scripttag .= <<'END';
3016: function validmail(field) {
3017: var str = field.value;
3018: if (window.RegExp) {
3019: var reg1str = "(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)";
3020: var reg2str = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$"; //"
3021: var reg1 = new RegExp(reg1str);
3022: var reg2 = new RegExp(reg2str);
3023: if (!reg1.test(str) && reg2.test(str)) {
3024: return true;
3025: }
3026: return false;
3027: }
3028: else
3029: {
3030: if(str.indexOf("@") >= 0) {
3031: return true;
3032: }
3033: return false;
3034: }
3035: }
3036: END
3037: return $scripttag;
3038: }
3039:
1.219 droeschl 3040:
3041: # USAGE: htmltag(element, content, {attribute => value,...});
3042: #
3043: # EXAMPLES:
3044: # - htmltag('a', 'this is an anchor', {href => 'www.example.com',
3045: # title => 'this is a title'})
3046: #
3047: # - You might want to set up needed tags like:
3048: #
3049: # my $h3 = sub { return htmltag( "h3", @_ ) };
3050: #
3051: # ... and use them: $h3->("This is a headline")
3052: #
3053: # - To set up a couple of tags, see sub inittags
3054: #
3055: # NOTES:
3056: # - Empty elements, such as <br/> are correctly terminated,
3057: # i.e. htmltag('br') returns <br/>
3058: # - Empty attributes (title="") are filtered out.
3059: # - The function will not check for deprecated attributes.
3060: #
3061: # OUTPUT: content enclosed in xhtml conform tags
3062: sub htmltag{
3063: return
3064: qq|<$_[0]|
3065: . join( '', map { qq| $_="${$_[2]}{$_}"| if ${$_[2]}{$_} } keys %{ $_[2] } )
3066: . ($_[1] ? qq|>$_[1]</$_[0]>| : qq|/>|). "\n";
3067: };
3068:
3069:
3070: # USAGE: inittags(@tags);
3071: #
3072: # EXAMPLES:
1.261 droeschl 3073: # - my ($h1, $h2, $h3) = inittags( qw( h1 h2 h3 ) )
1.219 droeschl 3074: # $h1->("This is a headline") #Returns: <h1>This is a headline</h1>
3075: #
3076: # NOTES: See sub htmltag for further information.
3077: #
3078: # OUTPUT: List of subroutines.
3079: sub inittags {
3080: my @tags = @_;
3081: return map { my $tag = $_;
3082: sub { return htmltag( $tag, @_ ) }
3083: } @tags;
3084: }
3085:
3086:
1.231 droeschl 3087: # USAGE: scripttag(scriptcode, [start|end|both]);
1.229 droeschl 3088: #
3089: # EXAMPLES:
1.231 droeschl 3090: # - scripttag("alert('Hello World!')", 'both')
3091: # returns:
3092: # <script type="text/javascript">
3093: # // BEGIN LON-CAPA Internal
3094: # alert(Hello World!')
3095: # // END LON-CAPA Internal
3096: # </script>
1.229 droeschl 3097: #
3098: # NOTES:
3099: # - works currently only for javascripts
3100: #
1.231 droeschl 3101: # OUTPUT:
3102: # Scriptcode properly enclosed in <script> and CDATA tags (and LC
3103: # Internal markers if 2nd argument is given)
1.229 droeschl 3104: sub scripttag {
1.231 droeschl 3105: my ( $content, $marker ) = @_;
3106: return unless defined $content;
3107:
3108: my $begin = "\n// BEGIN LON-CAPA Internal\n";
3109: my $end = "\n// END LON-CAPA Internal\n";
3110:
3111: if ($marker) {
3112: $content = $begin . $content if $marker eq 'start' or $marker eq 'both';
3113: $content .= $end if $marker eq 'end' or $marker eq 'both';
3114: }
3115:
1.229 droeschl 3116: $content = "\n// <![CDATA[\n$content\n// ]]>\n";
1.231 droeschl 3117:
3118: return htmltag('script', $content, {type => 'text/javascript'});
1.229 droeschl 3119: };
3120:
1.309 raeburn 3121: =pod
1.229 droeschl 3122:
1.309 raeburn 3123: =item &list_from_array( \@array, { listattr =>{}, itemattr =>{} } )
1.261 droeschl 3124:
3125: Constructs a XHTML list from \@array.
3126:
3127: input:
3128:
3129: =over
3130:
3131: =item \@array
3132:
3133: A reference to the array containing text that will be wrapped in <li></li> tags.
3134:
3135: =item { listattr => {}, itemattr =>{} }
3136:
3137: Attributes for <ul> and <li> passed in as hash references.
3138: See htmltag() for more details.
3139:
3140: =back
3141:
3142: returns: XHTML list as String.
3143:
3144: =cut
3145:
3146: # \@items, {listattr => { class => 'abc', id => 'xyx' }, itemattr => {class => 'abc', id => 'xyx'}}
3147: sub list_from_array {
3148: my ($items, $args) = @_;
1.285 raeburn 3149: return unless (ref($items) eq 'ARRAY');
1.273 droeschl 3150: return unless scalar @$items;
1.261 droeschl 3151: my ($ul, $li) = inittags( qw(ul li) );
3152: my $listitems = join '', map { $li->($_, $args->{itemattr}) } @$items;
3153: return $ul->( $listitems, $args->{listattr} );
3154: }
3155:
3156:
1.183 droeschl 3157: ##############################################
3158: ##############################################
3159:
3160: # generate_menu
3161: #
3162: # Generates html markup for a menu.
3163: #
3164: # Inputs:
3165: # An array of following structure:
3166: # ({ categorytitle => 'Categorytitle',
3167: # items => [
1.201 droeschl 3168: # {
3169: # linktext => 'Text to be displayed',
3170: # url => 'URL the link is pointing to, i.e. /adm/site?action=dosomething',
1.183 droeschl 3171: # permission => 'Contains permissions as returned from lonnet::allowed(),
1.201 droeschl 3172: # must evaluate to true in order to activate the link',
1.184 droeschl 3173: # icon => 'icon filename',
1.186 droeschl 3174: # alttext => 'alt text for the icon',
1.183 droeschl 3175: # help => 'Name of the corresponding helpfile',
3176: # linktitle => 'Description of the link (used for title tag)'
3177: # },
3178: # ...
3179: # ]
3180: # },
3181: # ...
3182: # )
3183: #
3184: # Outputs: A scalar containing the html markup for the menu.
3185:
3186: sub generate_menu {
3187: my @menu = @_;
1.201 droeschl 3188: # subs for specific html elements
1.219 droeschl 3189: my ($h3, $div, $ul, $li, $a, $img) = inittags( qw(h3 div ul li a img) );
1.201 droeschl 3190:
3191: my @categories; # each element represents the entire markup for a category
3192:
3193: foreach my $category (@menu) {
3194: my @links; # contains the links for the current $category
3195: foreach my $link (@{$$category{items}}) {
3196: next unless $$link{permission};
3197:
3198: # create the markup for the current $link and push it into @links.
3199: # each entry consists of an image and a text optionally followed
3200: # by a help link.
1.283 raeburn 3201: my $src;
3202: if ($$link{icon} ne '') {
3203: $src = '/res/adm/pages/'.$$link{icon};
3204: }
1.232 raeburn 3205: push(@links,$li->(
1.201 droeschl 3206: $a->(
3207: $img->("", {
3208: class => "LC_noBorder LC_middle",
1.283 raeburn 3209: src => $src,
1.202 droeschl 3210: alt => mt(defined($$link{alttext}) ?
3211: $$link{alttext} : $$link{linktext})
1.201 droeschl 3212: }), {
3213: href => $$link{url},
1.308 raeburn 3214: title => mt($$link{linktitle}),
3215: class => 'LC_menubuttons_link'
1.201 droeschl 3216: }).
1.202 droeschl 3217: $a->(mt($$link{linktext}), {
1.201 droeschl 3218: href => $$link{url},
1.202 droeschl 3219: title => mt($$link{linktitle}),
1.201 droeschl 3220: class => "LC_menubuttons_link"
3221: }).
3222: (defined($$link{help}) ?
3223: Apache::loncommon::help_open_topic($$link{help}) : ''),
1.232 raeburn 3224: {class => "LC_menubuttons_inline_text"}));
1.201 droeschl 3225: }
3226:
3227: # wrap categorytitle in <h3>, concatenate with
3228: # joined and in <ul> tags wrapped @links
3229: # and wrap everything in an enclosing <div> and push it into
3230: # @categories
3231: # such that each element looks like:
3232: # <div><h3>title</h3><ul><li>...</li>...</ul></div>
3233: # the category won't be added if there aren't any links
1.232 raeburn 3234: push(@categories,
1.202 droeschl 3235: $div->($h3->(mt($$category{categorytitle}), {class=>"LC_hcell"}).
1.201 droeschl 3236: $ul->(join('' ,@links), {class =>"LC_ListStyleNormal" }),
1.232 raeburn 3237: {class=>"LC_Box LC_400Box"})) if scalar(@links);
1.183 droeschl 3238: }
1.201 droeschl 3239:
3240: # wrap the joined @categories in another <div> (column layout)
3241: return $div->(join('', @categories), {class => "LC_columnSection"});
1.183 droeschl 3242: }
1.176 foxr 3243:
1.224 bisitz 3244: ##############################################
3245: ##############################################
3246:
3247: =pod
3248:
1.309 raeburn 3249: =item &start_funclist()
1.224 bisitz 3250:
3251: Start list of available functions
3252:
3253: Typically used to offer a simple list of available functions
3254: at top or bottom of page.
3255: All available functions/actions for the current page
3256: should be included in this list.
3257:
3258: If the optional headline text is not provided, a default text will be used.
3259:
3260:
3261: Related routines:
3262: =over 4
3263: add_item_funclist
3264: end_funclist
3265: =back
3266:
3267:
3268: Inputs: (optional) headline text
3269:
3270: Returns: HTML code with function list start
3271:
3272: =cut
3273:
3274: ##############################################
3275: ##############################################
3276:
3277: sub start_funclist {
3278: my($legendtext)=@_;
3279: $legendtext=&mt('Functions') if !$legendtext;
1.244 droeschl 3280: return '<ul class="LC_funclist"><li style="font-weight:bold; margin-left:0.8em;">'.$legendtext.'</li>'."\n";
1.224 bisitz 3281: }
3282:
3283:
3284: ##############################################
3285: ##############################################
3286:
3287: =pod
3288:
1.309 raeburn 3289: =item &add_item_funclist()
1.224 bisitz 3290:
3291: Adds an item to the list of available functions
3292:
3293: Related routines:
3294: =over 4
3295: start_funclist
3296: end_funclist
3297: =back
3298:
3299: Inputs: content item with text and link to function
3300:
3301: Returns: HTML code with list item for funclist
3302:
3303: =cut
3304:
3305: ##############################################
3306: ##############################################
3307:
3308: sub add_item_funclist {
3309: my($content) = @_;
3310: return '<li>'.$content.'</li>'."\n";
3311: }
3312:
3313: =pod
3314:
1.309 raeburn 3315: =item &end_funclist()
1.224 bisitz 3316:
3317: End list of available functions
3318:
3319: Related routines:
3320: =over 4
3321: start_funclist
3322: add_item_funclist
3323: =back
3324:
3325: Inputs: ./.
3326:
3327: Returns: HTML code with function list end
3328: =cut
3329:
3330: sub end_funclist {
1.246 bisitz 3331: return "</ul>\n";
1.224 bisitz 3332: }
3333:
1.261 droeschl 3334: =pod
3335:
1.309 raeburn 3336: =item &funclist_from_array( \@array, {legend => 'text for legend'} )
1.261 droeschl 3337:
3338: Constructs a XHTML list from \@array with the first item being visually
3339: highlighted and set to the value of legend or 'Functions' if legend is
3340: empty.
3341:
3342: =over
3343:
3344: =item \@array
3345:
3346: A reference to the array containing text that will be wrapped in <li></li> tags.
3347:
3348: =item { legend => 'text' }
3349:
3350: A string that's used as visually highlighted first item. 'Functions' is used if
3351: it's value evaluates to false.
3352:
3353: =back
3354:
3355: returns: XHTML list as string.
3356:
3357: =back
3358:
3359: =cut
3360:
3361: sub funclist_from_array {
3362: my ($items, $args) = @_;
1.285 raeburn 3363: return unless(ref($items) eq 'ARRAY');
1.261 droeschl 3364: $args->{legend} ||= mt('Functions');
3365: return list_from_array( [$args->{legend}, @$items],
3366: { listattr => {class => 'LC_funclist'} });
3367: }
3368:
1.1 stredwic 3369: 1;
1.23 matthew 3370:
1.1 stredwic 3371: __END__
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