Annotation of loncom/interface/lonpreferences.pm, revision 1.56
1.1 www 1: # The LearningOnline Network
2: # Preferences
3: #
1.56 ! albertel 4: # $Id: lonpreferences.pm,v 1.55 2005/02/25 06:48:00 albertel Exp $
1.2 albertel 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: #
1.3 matthew 28: # This package uses the "londes.js" javascript code.
29: #
30: # TODOs that have to be completed:
31: # interface with lonnet to change the password
32:
1.1 www 33: package Apache::lonpreferences;
34:
35: use strict;
36: use Apache::Constants qw(:common);
1.3 matthew 37: use Apache::File;
38: use Crypt::DES;
39: use DynaLoader; # for Crypt::DES version
1.4 matthew 40: use Apache::loncommon();
1.23 matthew 41: use Apache::lonhtmlcommon();
1.32 www 42: use Apache::lonlocal;
1.3 matthew 43:
44: #
45: # Write lonnet::passwd to do the call below.
46: # Use:
47: # my $answer=reply("encrypt:passwd:$udom:$uname:$upass",$tryserver);
48: #
49: ##################################################
50: # password associated functions #
51: ##################################################
52: sub des_keys {
1.4 matthew 53: # Make a new key for DES encryption.
1.36 www 54: # Each key has two parts which are returned separately.
1.4 matthew 55: # Please note: Each key must be passed through the &hex function
56: # before it is output to the web browser. The hex versions cannot
57: # be used to decrypt.
1.3 matthew 58: my @hexstr=('0','1','2','3','4','5','6','7',
59: '8','9','a','b','c','d','e','f');
60: my $lkey='';
61: for (0..7) {
62: $lkey.=$hexstr[rand(15)];
63: }
64: my $ukey='';
65: for (0..7) {
66: $ukey.=$hexstr[rand(15)];
67: }
68: return ($lkey,$ukey);
69: }
70:
71: sub des_decrypt {
72: my ($key,$cyphertext) = @_;
73: my $keybin=pack("H16",$key);
74: my $cypher;
75: if ($Crypt::DES::VERSION>=2.03) {
76: $cypher=new Crypt::DES $keybin;
77: } else {
78: $cypher=new DES $keybin;
79: }
80: my $plaintext=
81: $cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,0,16))));
82: $plaintext.=
83: $cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,16,16))));
1.4 matthew 84: $plaintext=substr($plaintext,1,ord(substr($plaintext,0,1)) );
1.3 matthew 85: return $plaintext;
86: }
87:
1.4 matthew 88: ################################################################
89: # Handler subroutines #
90: ################################################################
1.9 matthew 91:
92: ################################################################
1.28 www 93: # Language Change Subroutines #
94: ################################################################
1.44 www 95:
96: sub wysiwygchanger {
97: my $r = shift;
98: my %userenv = &Apache::lonnet::get
99: ('environment',['wysiwygeditor']);
100: my $offselect='';
101: my $onselect='checked="1"';
102: if ($userenv{'wysiwygeditor'}) {
103: $onselect='';
104: $offselect='checked="1"';
105: }
106: my $switchoff=&mt('Disable WYSIWYG editor');
107: my $switchon=&mt('Enable WYSIWYG editor');
108: $r->print(<<ENDLSCREEN);
109: <form name="server" action="/adm/preferences" method="post">
110: <input type="hidden" name="action" value="set_wysiwyg" />
111: <br />
112: <input type="radio" name="wysiwyg" value="off" $onselect /> $switchoff<br />
113: <input type="radio" name="wysiwyg" value="on" $offselect /> $switchon
114: ENDLSCREEN
115: $r->print('<br /><input type="submit" value="'.&mt('Change').'" />');
116: }
117:
118:
119: sub verify_and_change_wysiwyg {
120: my $r = shift;
121: my $newsetting=$ENV{'form.wysiwyg'};
122: &Apache::lonnet::put('environment',{'wysiwygeditor' => $newsetting});
123: &Apache::lonnet::appenv('environment.wysiwygeditor' => $newsetting);
124: $r->print('<p>'.&mt('Setting WYSIWYG editor to:').' '.&mt($newsetting).'</p>');
125: }
126:
127: ################################################################
128: # Language Change Subroutines #
129: ################################################################
1.28 www 130: sub languagechanger {
131: my $r = shift;
132: my $user = $ENV{'user.name'};
133: my $domain = $ENV{'user.domain'};
134: my %userenv = &Apache::lonnet::get
1.32 www 135: ('environment',['languages']);
1.29 www 136: my $language=$userenv{'languages'};
1.32 www 137:
1.33 www 138: my $pref=&mt('Preferred language');
139: my %langchoices=('' => 'No language preference');
140: foreach (&Apache::loncommon::languageids()) {
141: if (&Apache::loncommon::supportedlanguagecode($_)) {
142: $langchoices{&Apache::loncommon::supportedlanguagecode($_)}
143: = &Apache::loncommon::plainlanguagedescription($_);
144: }
145: }
146: my $selectionbox=&Apache::loncommon::select_form($language,'language',
147: %langchoices);
1.28 www 148: $r->print(<<ENDLSCREEN);
149: <form name="server" action="/adm/preferences" method="post">
150: <input type="hidden" name="action" value="verify_and_change_languages" />
1.33 www 151: <br />$pref: $selectionbox
1.28 www 152: ENDLSCREEN
1.35 matthew 153: $r->print('<br /><input type="submit" value="'.&mt('Change').'" />');
1.28 www 154: }
155:
156:
157: sub verify_and_change_languages {
158: my $r = shift;
159: my $user = $ENV{'user.name'};
160: my $domain = $ENV{'user.domain'};
161: # Screenname
162: my $newlanguage = $ENV{'form.language'};
163: $newlanguage=~s/[^\-\w]//g;
164: my $message='';
165: if ($newlanguage) {
1.29 www 166: &Apache::lonnet::put('environment',{'languages' => $newlanguage});
167: &Apache::lonnet::appenv('environment.languages' => $newlanguage);
168: $message='Set new preferred languages to '.$newlanguage;
1.28 www 169: } else {
1.29 www 170: &Apache::lonnet::del('environment',['languages']);
171: &Apache::lonnet::delenv('environment\.languages');
1.28 www 172: $message='Reset preferred language';
173: }
174: $r->print(<<ENDVCSCREEN);
175: </p>
176: $message
177: ENDVCSCREEN
178: }
179:
1.50 albertel 180: ################################################################
1.54 albertel 181: # Tex Engine Change Subroutines #
182: ################################################################
183: sub texenginechanger {
184: my $r = shift;
185: my $user = $ENV{'user.name'};
186: my $domain = $ENV{'user.domain'};
187: my %userenv = &Apache::lonnet::get('environment',['texengine']);
188: my $texengine=$userenv{'texengine'};
189:
190: my $pref=&mt('Preferred method to display Math');
191: my %mathchoices=('' => 'No Preference',
192: 'tth' => 'TeX to HTML',
1.56 ! albertel 193: 'ttm' => 'TeX to MathML',
1.54 albertel 194: 'jsMath' => 'jsMath',
195: #'mimetex' => 'Convert to Images'
196: );
197: my $selectionbox=&Apache::loncommon::select_form($texengine,'texengine',
198: %mathchoices);
199: my $mathexample='$$\int\left(\frac{a+b}{c^6*d}\right)$$';
200: my $jsMath_example=&Apache::lontexconvert::jsMath_converted(\$mathexample);
201: $mathexample='$$\int\left(\frac{a+b}{c^6*d}\right)$$';
202: my $tth_example=&Apache::lontexconvert::tth_converted(\$mathexample);
203: my $change=&mt('Change');
204: $r->print(<<ENDLSCREEN);
205: <form name="server" action="/adm/preferences" method="post">
206: <input type="hidden" name="action" value="verify_and_change_texengine" />
207: <p>$pref: $selectionbox</p>
208: <p><input type="submit" value="$change" /></p>
209: </form>
210: Examples:
211: <p> TeX to HTML <br /> $tth_example</p>
212: <script type"text/javascript">function NoFontMessage () { }</script>
213: <script src="/adm/jsMath/jsMath.js"></script>
214: <p>jsMath <br />
215:
216: <script type"text/javascript">
217: if (jsMath.nofonts == 1) {
218: document.writeln
219: ('<center><div style="padding: 10; border-style: solid; border-width:3;'
220: +' border-color: #DD0000; background-color: #FFF8F8; width: 75%; text-align: left">'
221: +'<small><font color="#AA0000"><b>Warning:</b> '
222: +'It looks like you don\\\'t have the TeX math fonts installed. '
223: +'The jsMath example on this page may not look right without them. '
224: +'The <a href="http://www.math.union.edu/locate/jsMath/" target="_blank"> '
225: +'jsMath Home Page</a> has information on how to download the '
226: +'needed fonts. In the meantime, jsMath will do the best it can '
227: +'with the fonts you have, but it may not be pretty and some equations '
228: +'may not be rendered correctly. '
229: +'</font></small></div></center>');
230: }
231: </script>
232:
233: $jsMath_example</p>
234: ENDLSCREEN
1.55 albertel 235: if ($ENV{'environment.texengine'} ne 'jsMath') {
236: $r->print('<script type="text/javascript">jsMath.Process()</script>');
237: }
1.54 albertel 238: }
239:
240:
241: sub verify_and_change_texengine {
242: my $r = shift;
243: my $user = $ENV{'user.name'};
244: my $domain = $ENV{'user.domain'};
245: # Screenname
246: my $newtexengine = $ENV{'form.texengine'};
247: $newtexengine=~s/[^\-\w]//g;
1.56 ! albertel 248: if ($newtexengine eq 'ttm') {
! 249: &Apache::lonnet::appenv('browser.mathml' => 1);
! 250: } else {
! 251: if ($ENV{'environment.texengine'} eq 'ttm') {
! 252: &Apache::lonnet::appenv('browser.mathml' => 0);
! 253: }
! 254: }
1.54 albertel 255: my $message='';
256: if ($newtexengine) {
257: &Apache::lonnet::put('environment',{'texengine' => $newtexengine});
258: &Apache::lonnet::appenv('environment.texengine' => $newtexengine);
259: $message='Set new preferred math display to '.$newtexengine;
260: } else {
261: &Apache::lonnet::del('environment',['texengine']);
262: &Apache::lonnet::delenv('environment\.texengine');
263: $message='Reset preferred math display.';
264: }
1.56 ! albertel 265:
! 266:
1.54 albertel 267: $r->print(<<ENDVCSCREEN);
268: </p>
269: $message
270: ENDVCSCREEN
271: }
272:
273: ################################################################
1.50 albertel 274: # Roles Page Preference Change Subroutines #
275: ################################################################
276: sub rolesprefchanger {
277: my $r = shift;
278: my $user = $ENV{'user.name'};
279: my $domain = $ENV{'user.domain'};
280: my %userenv = &Apache::lonnet::get
281: ('environment',['recentroles','recentrolesn']);
282: my $hotlist_flag=$userenv{'recentroles'};
283: my $hotlist_n=$userenv{'recentrolesn'};
284: my $checked;
285: if ($hotlist_flag) {
286: $checked = 'checked="checked"';
287: }
288:
289: if (!$hotlist_n) { $hotlist_n=3; }
290: my $options;
291: for (my $i=1; $i<10; $i++) {
292: my $select;
293: if ($hotlist_n == $i) { $select = 'selected="selected"'; }
294: $options .= "<option $select>$i</option>\n";
295: }
296:
297: $r->print(<<ENDSCREEN);
298: <p>Some LON-CAPA users have a long list of roles. The Recent Roles Hotlist
299: feature keeps track of the last N roles which have been
300: visited and places a table of these at the top of the roles page.
301: People with very few roles should leave this feature disabled.
302: </p>
303:
304: <form name="server" action="/adm/preferences" method="post">
305: <input type="hidden" name="action" value="verify_and_change_rolespref" />
306: <br />Enable Recent Roles Hotlist:
307: <input type="checkbox" $checked name="recentroles" value="true" />
308: <br />Number of roles in Hotlist:
309: <select name="recentrolesn" size="1">
310: $options
311: </select>
312: <br />
313: <input type="submit" value="Change" />
314: </form>
315: ENDSCREEN
316: }
317:
318: sub verify_and_change_rolespref {
319: my $r = shift;
320: my $user = $ENV{'user.name'};
321: my $domain = $ENV{'user.domain'};
322: # Recent Roles Hotlist Flag
323: my $hotlist_flag = $ENV{'form.recentroles'};
324: my $hotlist_n = $ENV{'form.recentrolesn'};
325: my $message='';
326: if ($hotlist_flag) {
327: &Apache::lonnet::put('environment',{'recentroles' => $hotlist_flag});
328: &Apache::lonnet::appenv('environment.recentroles' => $hotlist_flag);
329: $message='Recent Roles Hotlist is Enabled';
330: } else {
331: &Apache::lonnet::del('environment',['recentroles']);
332: &Apache::lonnet::delenv('environment\.recentroles');
333: $message='Recent Roles Hotlist is Disabled';
334: }
335: if ($hotlist_n) {
336: &Apache::lonnet::put('environment',{'recentrolesn' => $hotlist_n});
337: &Apache::lonnet::appenv('environment.recentrolesn' => $hotlist_n);
338: if ($hotlist_flag) {
339: $message.="<br />Display $hotlist_n Most Recent Roles\n";
340: }
341: }
342:
343: $r->print(<<ENDRPSCREEN);
344: </p>
345: $message
346: ENDRPSCREEN
347: }
348:
349:
1.28 www 350:
351: ################################################################
1.9 matthew 352: # Anonymous Discussion Name Change Subroutines #
353: ################################################################
1.5 www 354: sub screennamechanger {
355: my $r = shift;
356: my $user = $ENV{'user.name'};
357: my $domain = $ENV{'user.domain'};
1.14 www 358: my %userenv = &Apache::lonnet::get
359: ('environment',['screenname','nickname']);
1.6 www 360: my $screenname=$userenv{'screenname'};
1.14 www 361: my $nickname=$userenv{'nickname'};
1.5 www 362: $r->print(<<ENDSCREEN);
1.6 www 363: <form name="server" action="/adm/preferences" method="post">
364: <input type="hidden" name="action" value="verify_and_change_screenname" />
1.14 www 365: <br />New screenname (shown if you post anonymously):
1.6 www 366: <input type="text" size="20" value="$screenname" name="screenname" />
1.14 www 367: <br />New nickname (shown if you post non-anonymously):
368: <input type="text" size="20" value="$nickname" name="nickname" />
1.6 www 369: <input type="submit" value="Change" />
370: </form>
1.5 www 371: ENDSCREEN
372: }
1.6 www 373:
374: sub verify_and_change_screenname {
375: my $r = shift;
376: my $user = $ENV{'user.name'};
377: my $domain = $ENV{'user.domain'};
1.14 www 378: # Screenname
1.6 www 379: my $newscreen = $ENV{'form.screenname'};
1.14 www 380: $newscreen=~s/[^ \w]//g;
1.6 www 381: my $message='';
382: if ($newscreen) {
1.7 www 383: &Apache::lonnet::put('environment',{'screenname' => $newscreen});
384: &Apache::lonnet::appenv('environment.screenname' => $newscreen);
1.6 www 385: $message='Set new screenname to '.$newscreen;
386: } else {
387: &Apache::lonnet::del('environment',['screenname']);
1.7 www 388: &Apache::lonnet::delenv('environment\.screenname');
1.6 www 389: $message='Reset screenname';
390: }
1.14 www 391: # Nickname
392: $message.='<br />';
1.17 matthew 393: $newscreen = $ENV{'form.nickname'};
1.14 www 394: $newscreen=~s/[^ \w]//g;
395: if ($newscreen) {
396: &Apache::lonnet::put('environment',{'nickname' => $newscreen});
397: &Apache::lonnet::appenv('environment.nickname' => $newscreen);
398: $message.='Set new nickname to '.$newscreen;
399: } else {
400: &Apache::lonnet::del('environment',['nickname']);
401: &Apache::lonnet::delenv('environment\.nickname');
402: $message.='Reset nickname';
403: }
404:
1.6 www 405: $r->print(<<ENDVCSCREEN);
406: </p>
407: $message
408: ENDVCSCREEN
1.20 www 409: }
410:
411: ################################################################
412: # Message Forward #
413: ################################################################
414:
415: sub msgforwardchanger {
416: my $r = shift;
417: my $user = $ENV{'user.name'};
418: my $domain = $ENV{'user.domain'};
1.26 www 419: my %userenv = &Apache::lonnet::get('environment',['msgforward','notification','critnotification']);
1.20 www 420: my $msgforward=$userenv{'msgforward'};
421: my $notification=$userenv{'notification'};
422: my $critnotification=$userenv{'critnotification'};
1.25 bowersj2 423: my $forwardingHelp = Apache::loncommon::help_open_topic("Prefs_Forwarding",
424: "What are forwarding ".
425: "and notification ".
426: "addresses");
1.27 bowersj2 427: my $criticalMessageHelp = Apache::loncommon::help_open_topic("Course_Critical_Message",
428: "What are critical messages");
429:
1.20 www 430: $r->print(<<ENDMSG);
1.25 bowersj2 431: $forwardingHelp <br />
1.20 www 432: <form name="server" action="/adm/preferences" method="post">
433: <input type="hidden" name="action" value="verify_and_change_msgforward" />
434: New Forwarding Address(es) (<tt>user:domain,user:domain,...</tt>):
435: <input type="text" size="40" value="$msgforward" name="msgforward" /><hr />
436: New Message Notification Email Address(es) (<tt>joe\@doe.com,jane\@doe.edu,...</tt>):
437: <input type="text" size="40" value="$notification" name="notification" /><hr />
438: New Critical Message Notification Email Address(es) (<tt>joe\@doe.com,jane\@doe.edu,...</tt>):
1.27 bowersj2 439: <input type="text" size="40" value="$critnotification" name="critnotification" />$criticalMessageHelp<hr />
1.20 www 440: <input type="submit" value="Change" />
441: </form>
442: ENDMSG
443: }
444:
445: sub verify_and_change_msgforward {
446: my $r = shift;
447: my $user = $ENV{'user.name'};
448: my $domain = $ENV{'user.domain'};
449: my $newscreen = '';
450: my $message='';
451: foreach (split(/\,/,$ENV{'form.msgforward'})) {
452: my ($msuser,$msdomain)=split(/[\@\:]/,$_);
453: $msuser=~s/\W//g;
454: $msdomain=~s/\W//g;
455: if (($msuser) && ($msdomain)) {
456: if (&Apache::lonnet::homeserver($msuser,$msdomain) ne 'no_host') {
457: $newscreen.=$msuser.':'.$msdomain.',';
458: } else {
459: $message.='No such user: '.$msuser.':'.$msdomain.'<br>';
460: }
461: }
462: }
463: $newscreen=~s/\,$//;
464: if ($newscreen) {
465: &Apache::lonnet::put('environment',{'msgforward' => $newscreen});
466: &Apache::lonnet::appenv('environment.msgforward' => $newscreen);
467: $message.='Set new message forwarding to '.$newscreen.'<br />';
468: } else {
469: &Apache::lonnet::del('environment',['msgforward']);
470: &Apache::lonnet::delenv('environment\.msgforward');
471: $message.='Reset message forwarding<br />';
472: }
473: my $notification=$ENV{'form.notification'};
474: $notification=~s/\s//gs;
475: if ($notification) {
476: &Apache::lonnet::put('environment',{'notification' => $notification});
477: &Apache::lonnet::appenv('environment.notification' => $notification);
478: $message.='Set message notification address to '.$notification.'<br />';
479: } else {
480: &Apache::lonnet::del('environment',['notification']);
481: &Apache::lonnet::delenv('environment\.notification');
482: $message.='Reset message notification<br />';
483: }
484: my $critnotification=$ENV{'form.critnotification'};
485: $critnotification=~s/\s//gs;
486: if ($critnotification) {
487: &Apache::lonnet::put('environment',{'critnotification' => $critnotification});
488: &Apache::lonnet::appenv('environment.critnotification' => $critnotification);
489: $message.='Set critical message notification address to '.$critnotification;
490: } else {
491: &Apache::lonnet::del('environment',['critnotification']);
492: &Apache::lonnet::delenv('environment\.critnotification');
493: $message.='Reset critical message notification<br />';
494: }
495: $r->print(<<ENDVCMSG);
496: </p>
497: $message
498: ENDVCMSG
1.6 www 499: }
500:
1.12 www 501: ################################################################
1.19 www 502: # Colors #
1.12 www 503: ################################################################
504:
1.19 www 505: sub colorschanger {
1.12 www 506: my $r = shift;
1.19 www 507: # figure out colors
508: my $function='student';
509: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
510: $function='coordinator';
511: }
512: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
513: $function='admin';
514: }
515: if (($ENV{'request.role'}=~/^(au|ca)/) ||
516: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
517: $function='author';
518: }
519: my $domain=&Apache::loncommon::determinedomain();
520: my %colortypes=('pgbg' => 'Page Background',
521: 'tabbg' => 'Header Background',
522: 'sidebg'=> 'Header Border',
523: 'font' => 'Font',
524: 'link' => 'Un-Visited Link',
525: 'vlink' => 'Visited Link',
526: 'alink' => 'Active Link');
527: my $chtable='';
1.22 matthew 528: foreach my $item (sort(keys(%colortypes))) {
1.19 www 529: my $curcol=&Apache::loncommon::designparm($function.'.'.$item,$domain);
530: $chtable.='<tr><td>'.$colortypes{$item}.'</td><td bgcolor="'.$curcol.
531: '"> </td><td><input name="'.$item.
1.21 www 532: '" size="10" value="'.$curcol.
533: '" /></td><td><a href="javascript:pjump('."'color_custom','".$colortypes{$item}.
1.19 www 534: "','".$curcol."','"
1.21 www 535: .$item."','parmform.pres','psub'".');">Select</a></td></tr>';
1.19 www 536: }
1.23 matthew 537: my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
1.19 www 538: $r->print(<<ENDCOL);
539: <script>
540:
541: function pclose() {
542: parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
543: "height=350,width=350,scrollbars=no,menubar=no");
544: parmwin.close();
545: }
546:
1.23 matthew 547: $pjump_def
1.19 www 548:
549: function psub() {
550: pclose();
551: if (document.parmform.pres_marker.value!='') {
1.21 www 552: if (document.parmform.pres_type.value!='') {
553: eval('document.server.'+
554: document.parmform.pres_marker.value+
1.19 www 555: '.value=document.parmform.pres_value.value;');
1.21 www 556: }
1.19 www 557: } else {
558: document.parmform.pres_value.value='';
559: document.parmform.pres_marker.value='';
560: }
561: }
562:
563:
564: </script>
1.21 www 565: <form name="parmform">
566: <input type="hidden" name="pres_marker" />
567: <input type="hidden" name="pres_type" />
568: <input type="hidden" name="pres_value" />
569: </form>
1.12 www 570: <form name="server" action="/adm/preferences" method="post">
1.19 www 571: <input type="hidden" name="action" value="verify_and_change_colors" />
572: <table border="2">
573: $chtable
574: </table>
1.21 www 575: <input type="submit" value="Change Custom Colors" />
576: <input type="submit" name="resetall" value="Reset All Colors to Default" />
1.12 www 577: </form>
1.19 www 578: ENDCOL
1.12 www 579: }
580:
1.19 www 581: sub verify_and_change_colors {
1.12 www 582: my $r = shift;
1.19 www 583: # figure out colors
584: my $function='student';
585: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
586: $function='coordinator';
587: }
588: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
589: $function='admin';
590: }
591: if (($ENV{'request.role'}=~/^(au|ca)/) ||
592: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
593: $function='author';
594: }
595: my $domain=&Apache::loncommon::determinedomain();
596: my %colortypes=('pgbg' => 'Page Background',
597: 'tabbg' => 'Header Background',
598: 'sidebg'=> 'Header Border',
599: 'font' => 'Font',
600: 'link' => 'Un-Visited Link',
601: 'vlink' => 'Visited Link',
602: 'alink' => 'Active Link');
603:
1.12 www 604: my $message='';
1.21 www 605: foreach my $item (keys %colortypes) {
606: my $color=$ENV{'form.'.$item};
607: my $entry='color.'.$function.'.'.$item;
608: if (($color=~/^\#[0-9A-Fa-f]{6}$/) && (!$ENV{'form.resetall'})) {
609: &Apache::lonnet::put('environment',{$entry => $color});
610: &Apache::lonnet::appenv('environment.'.$entry => $color);
611: $message.='Set '.$colortypes{$item}.' to '.$color.'<br />';
612: } else {
613: &Apache::lonnet::del('environment',[$entry]);
614: &Apache::lonnet::delenv('environment\.'.$entry);
615: $message.='Reset '.$colortypes{$item}.'<br />';
616: }
617: }
1.19 www 618: $r->print(<<ENDVCCOL);
1.12 www 619: </p>
620: $message
1.21 www 621: <form name="client" action="/adm/preferences" method="post">
622: <input type="hidden" name="action" value="changecolors" />
623: </form>
1.19 www 624: ENDVCCOL
1.12 www 625: }
626:
1.4 matthew 627: ######################################################
628: # password handler subroutines #
629: ######################################################
1.3 matthew 630: sub passwordchanger {
1.4 matthew 631: # This function is a bit of a mess....
1.3 matthew 632: # Passwords are encrypted using londes.js (DES encryption)
633: my $r = shift;
1.4 matthew 634: my $errormessage = shift;
635: $errormessage = ($errormessage || '');
1.3 matthew 636: my $user = $ENV{'user.name'};
637: my $domain = $ENV{'user.domain'};
638: my $homeserver = $ENV{'user.home'};
639: my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);
640: # Check for authentication types that allow changing of the password.
641: return if ($currentauth !~ /^(unix|internal):/);
642: #
643: # Generate keys
644: my ($lkey_cpass ,$ukey_cpass ) = &des_keys();
645: my ($lkey_npass1,$ukey_npass1) = &des_keys();
646: my ($lkey_npass2,$ukey_npass2) = &des_keys();
1.4 matthew 647: # Store the keys in the log files
1.3 matthew 648: my $lonhost = $r->dir_config('lonHostID');
649: my $logtoken=Apache::lonnet::reply('tmpput:'
650: .$ukey_cpass . $lkey_cpass .'&'
651: .$ukey_npass1 . $lkey_npass1.'&'
652: .$ukey_npass2 . $lkey_npass2,
653: $lonhost);
1.4 matthew 654: # Hexify the keys for output as javascript variables
1.3 matthew 655: $ukey_cpass = hex($ukey_cpass);
656: $lkey_cpass = hex($lkey_cpass);
657: $ukey_npass1= hex($ukey_npass1);
658: $lkey_npass1= hex($lkey_npass1);
659: $ukey_npass2= hex($ukey_npass2);
660: $lkey_npass2= hex($lkey_npass2);
661: # Output javascript to deal with passwords
1.4 matthew 662: # Output DES javascript
1.53 albertel 663: my $html=&Apache::lonxml::xmlbegin();
664: $r->print($html."<head>");
1.3 matthew 665: {
666: my $include = $r->dir_config('lonIncludes');
667: my $jsh=Apache::File->new($include."/londes.js");
668: $r->print(<$jsh>);
669: }
670: $r->print(<<ENDFORM);
671: <script language="JavaScript">
672:
673: function send() {
674: uextkey=this.document.client.elements.ukey_cpass.value;
675: lextkey=this.document.client.elements.lkey_cpass.value;
676: initkeys();
677:
1.52 raeburn 678: this.document.pserver.elements.currentpass.value
1.3 matthew 679: =crypted(this.document.client.elements.currentpass.value);
680:
681: uextkey=this.document.client.elements.ukey_npass1.value;
682: lextkey=this.document.client.elements.lkey_npass1.value;
683: initkeys();
1.52 raeburn 684: this.document.pserver.elements.newpass_1.value
1.3 matthew 685: =crypted(this.document.client.elements.newpass_1.value);
686:
687: uextkey=this.document.client.elements.ukey_npass2.value;
688: lextkey=this.document.client.elements.lkey_npass2.value;
689: initkeys();
1.52 raeburn 690: this.document.pserver.elements.newpass_2.value
1.3 matthew 691: =crypted(this.document.client.elements.newpass_2.value);
692:
1.52 raeburn 693: this.document.pserver.submit();
1.3 matthew 694: }
695:
696: </script>
1.4 matthew 697: $errormessage
1.10 www 698:
1.3 matthew 699: <p>
1.36 www 700: <!-- We separate the forms into 'server' and 'client' in order to
1.3 matthew 701: ensure that unencrypted passwords will not be sent out by a
702: crappy browser -->
703:
1.52 raeburn 704: <form name="pserver" action="/adm/preferences" method="post">
1.3 matthew 705: <input type="hidden" name="logtoken" value="$logtoken" />
706: <input type="hidden" name="action" value="verify_and_change_pass" />
707: <input type="hidden" name="currentpass" value="" />
1.4 matthew 708: <input type="hidden" name="newpass_1" value="" />
709: <input type="hidden" name="newpass_2" value="" />
1.3 matthew 710: </form>
711:
712: <form name="client" >
713: <table>
1.4 matthew 714: <tr><td align="right"> Current password: </td>
715: <td><input type="password" name="currentpass" size="10"/> </td></tr>
716: <tr><td align="right"> New password: </td>
717: <td><input type="password" name="newpass_1" size="10" /> </td></tr>
718: <tr><td align="right"> Confirm password: </td>
719: <td><input type="password" name="newpass_2" size="10" /> </td></tr>
1.3 matthew 720: <tr><td colspan="2" align="center">
721: <input type="button" value="Change Password" onClick="send();">
722: </table>
1.4 matthew 723: <input type="hidden" name="ukey_cpass" value="$ukey_cpass" />
724: <input type="hidden" name="lkey_cpass" value="$lkey_cpass" />
1.3 matthew 725: <input type="hidden" name="ukey_npass1" value="$ukey_npass1" />
726: <input type="hidden" name="lkey_npass1" value="$lkey_npass1" />
727: <input type="hidden" name="ukey_npass2" value="$ukey_npass2" />
728: <input type="hidden" name="lkey_npass2" value="$lkey_npass2" />
729: </form>
730: </p>
731: ENDFORM
732: #
733: return;
734: }
735:
736: sub verify_and_change_password {
737: my $r = shift;
738: my $user = $ENV{'user.name'};
739: my $domain = $ENV{'user.domain'};
740: my $homeserver = $ENV{'user.home'};
741: my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);
1.4 matthew 742: # Check for authentication types that allow changing of the password.
743: return if ($currentauth !~ /^(unix|internal):/);
1.3 matthew 744: #
1.53 albertel 745: my $html=&Apache::lonxml::xmlbegin();
1.4 matthew 746: $r->print(<<ENDHEADER);
1.53 albertel 747: $html
1.4 matthew 748: <head>
749: <title>LON-CAPA Preferences: Change password for $user</title>
750: </head>
751: ENDHEADER
1.3 matthew 752: #
753: my $currentpass = $ENV{'form.currentpass'};
754: my $newpass1 = $ENV{'form.newpass_1'};
755: my $newpass2 = $ENV{'form.newpass_2'};
756: my $logtoken = $ENV{'form.logtoken'};
757: # Check for empty data
1.4 matthew 758: unless (defined($currentpass) &&
759: defined($newpass1) &&
760: defined($newpass2) ){
761: &passwordchanger($r,"<p>\n<font color='#ff0000'>ERROR</font>".
762: "Password data was blank.\n</p>");
1.3 matthew 763: return;
764: }
1.16 albertel 765: # Get the keys
766: my $lonhost = $r->dir_config('lonHostID');
1.3 matthew 767: my $tmpinfo = Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
768: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1.4 matthew 769: # I do not a have a better idea about how to handle this
1.3 matthew 770: $r->print(<<ENDERROR);
771: <p>
772: <font color="#ff0000">ERROR:</font> Unable to retrieve stored token for
1.4 matthew 773: password decryption. Please log out and try again.
1.3 matthew 774: </p>
775: ENDERROR
1.4 matthew 776: # Probably should log an error here
1.3 matthew 777: return;
778: }
779: my ($ckey,$n1key,$n2key)=split(/&/,$tmpinfo);
1.4 matthew 780: #
1.17 matthew 781: $currentpass = &des_decrypt($ckey ,$currentpass);
782: $newpass1 = &des_decrypt($n1key,$newpass1);
783: $newpass2 = &des_decrypt($n2key,$newpass2);
1.4 matthew 784: #
1.3 matthew 785: if ($newpass1 ne $newpass2) {
1.4 matthew 786: &passwordchanger($r,
787: '<font color="#ff0000">ERROR:</font>'.
788: 'The new passwords you entered do not match. '.
789: 'Please try again.');
790: return;
791: }
792: if (length($newpass1) < 7) {
793: &passwordchanger($r,
794: '<font color="#ff0000">ERROR:</font>'.
795: 'Passwords must be a minimum of 7 characters long. '.
796: 'Please try again.');
1.3 matthew 797: return;
798: }
1.4 matthew 799: #
800: # Check for bad characters
801: my $badpassword = 0;
802: foreach (split(//,$newpass1)) {
803: $badpassword = 1 if ((ord($_)<32)||(ord($_)>126));
804: }
805: if ($badpassword) {
806: # I can't figure out how to enter bad characters on my browser.
807: &passwordchanger($r,<<ENDERROR);
808: <font color="#ff0000">ERROR:</font>
809: The password you entered contained illegal characters.<br />
810: Valid characters are: space and <br />
811: <pre>
812: !"\#$%&\'()*+,-./0123456789:;<=>?\@
813: ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_\`abcdefghijklmnopqrstuvwxyz{|}~
814: </pre>
815: ENDERROR
816: }
817: #
818: # Change the password (finally)
819: my $result = &Apache::lonnet::changepass
820: ($user,$domain,$currentpass,$newpass1,$homeserver);
821: # Inform the user the password has (not?) been changed
822: if ($result =~ /^ok$/) {
823: $r->print(<<"ENDTEXT");
1.9 matthew 824: <h2>The password for $user was successfully changed</h2>
1.4 matthew 825: ENDTEXT
826: } else {
827: # error error: run in circles, scream and shout
828: $r->print(<<ENDERROR);
1.9 matthew 829: <h2><font color="#ff0000">The password for $user was not changed</font></h2>
1.8 matthew 830: Please make sure your old password was entered correctly.
1.4 matthew 831: ENDERROR
832: }
833: return;
1.3 matthew 834: }
835:
1.42 raeburn 836: ################################################################
837: # discussion display subroutines
838: ################################################################
839: sub discussionchanger {
840: my $r = shift;
841: my $user = $ENV{'user.name'};
842: my $domain = $ENV{'user.domain'};
843: my %userenv = &Apache::lonnet::get
1.43 raeburn 844: ('environment',['discdisplay','discmarkread']);
845: my $discdisp = 'allposts';
846: my $discmark = 'onmark';
847:
848: if (defined($userenv{'discdisplay'})) {
849: unless ($userenv{'discdisplay'} eq '') {
850: $discdisp = $userenv{'discdisplay'};
851: }
852: }
853: if (defined($userenv{'discmarkread'})) {
854: unless ($userenv{'discdisplay'} eq '') {
855: $discmark = $userenv{'discmarkread'};
856: }
857: }
858:
859: my $newdisp = 'unread';
860: my $newmark = 'ondisp';
861:
862: my $function = &Apache::loncommon::get_users_function();
863: my $color = &Apache::loncommon::designparm($function.'.tabbg',
864: $ENV{'user.domain'});
865: my %lt = &Apache::lonlocal::texthash(
866: 'pref' => 'Display Preference',
867: 'curr' => 'Current setting ',
868: 'actn' => 'Action',
869: 'sdpf' => 'Set display preferences for discussion posts for both bulletin boards and individual resources in all your courses.',
870: 'prca' => 'Preferences can be set that determine',
871: 'whpo' => 'Which posts are displayed when you display a bulletin board or resource, and',
872: 'unwh' => 'Under what circumstances posts are identfied as "New"',
873: 'allposts' => 'All posts',
874: 'unread' => 'New posts only',
875: 'ondisp' => 'Once displayed',
876: 'onmark' => 'Once marked as read',
877: 'disa' => 'Posts displayed?',
878: 'npmr' => 'New posts cease to be identified as "New"?',
879: 'thde' => 'The preferences you set here can be overridden within each individual discussion.',
880: 'chgt' => 'Change to '
881: );
882: my $dispchange = $lt{'unread'};
883: my $markchange = $lt{'ondisp'};
884: my $currdisp = $lt{'allposts'};
885: my $currmark = $lt{'onmark'};
886:
887: if ($discdisp eq 'unread') {
888: $dispchange = $lt{'allposts'};
889: $currdisp = $lt{'unread'};
890: $newdisp = 'allposts';
891: }
892:
893: if ($discmark eq 'ondisp') {
894: $markchange = $lt{'onmark'};
895: $currmark = $lt{'ondisp'};
896: $newmark = 'onmark';
1.42 raeburn 897: }
1.43 raeburn 898:
899: $r->print(<<"END");
1.42 raeburn 900: <form name="server" action="/adm/preferences" method="post">
901: <input type="hidden" name="action" value="verify_and_change_discussion" />
902: <br />
1.43 raeburn 903: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li></ol>
904: <br />
905: <br />
906: <table border="0" cellpadding="0" cellspacing="0">
907: <tr>
908: <td width="100%" bgcolor="#000000">
909: <table width="100%" border="0" cellpadding="1" cellspacing="0">
910: <tr>
911: <td width="100%" bgcolor="#000000">
912: <table border="0" cellpadding="3" cellspacing="3" bgcolor="#FFFFFF">
913: <tr bgcolor="$color">
914: <td><b>$lt{'pref'}</b></td>
915: <td><b>$lt{'curr'}</b></td>
916: <td><b>$lt{'actn'}?</b></td>
917: </tr>
918: <tr bgcolor="#dddddd">
919: <td>$lt{'disa'}</td>
920: <td>$lt{$discdisp}</td>
921: <td><input type="checkbox" name="discdisp" /><input type="hidden" name="newdisp" value="$newdisp" /> $lt{'chgt'} "$dispchange"</td>
922: </tr><tr bgcolor="#eeeeee">
923: <td>$lt{'npmr'}</td>
924: <td>$lt{$discmark}</td>
925: <td><input type="checkbox" name="discmark" /><input type="hidden" name="newmark" value="$newmark" /> $lt{'chgt'} "$markchange"</td>
926: </tr>
927: </table>
928: </td>
929: </tr>
930: </table>
931: </td>
932: </tr>
933: </table>
934: <br />
935: <br />
936: <input type="submit" name="sub" value="Store Changes" />
937: <br />
938: <br />
939: Note: $lt{'thde'}
940: </form>
941: END
1.42 raeburn 942: }
943:
944: sub verify_and_change_discussion {
945: my $r = shift;
1.43 raeburn 946: my $user = $ENV{'user.name'};
947: my $domain = $ENV{'user.domain'};
1.42 raeburn 948: my $message='';
1.43 raeburn 949: if (defined($ENV{'form.discdisp'}) ) {
950: my $newdisp = $ENV{'form.newdisp'};
951: if ($newdisp eq 'unread') {
952: $message .='In discussions: only new posts will be displayed.<br/>';
953: &Apache::lonnet::put('environment',{'discdisplay' => $newdisp});
954: &Apache::lonnet::appenv('environment.discdisplay' => $newdisp);
955: } else {
956: $message .= 'In discussions: all posts will be displayed.<br/>';
957: &Apache::lonnet::del('environment',['discdisplay']);
958: &Apache::lonnet::delenv('environment\.discdisplay');
959: }
960: }
961: if (defined($ENV{'form.discmark'}) ) {
962: my $newmark = $ENV{'form.newmark'};
963: if ($newmark eq 'ondisp') {
964: $message.='In discussions: new posts will be cease to be identified as "new" after display.<br/>';
965: &Apache::lonnet::put('environment',{'discmarkread' => $newmark});
966: &Apache::lonnet::appenv('environment.discmarkread' => $newmark);
967: } else {
968: $message.='In discussions: posts will be identified as "new" until marked as read by the reader.<br/>';
969: &Apache::lonnet::del('environment',['discmarkread']);
970: &Apache::lonnet::delenv('environment\.discmarkread');
971: }
1.42 raeburn 972: }
973: $r->print(<<ENDVCSCREEN);
974: </p>
975: $message
976: ENDVCSCREEN
977: }
978:
1.4 matthew 979: ######################################################
980: # other handler subroutines #
981: ######################################################
982:
1.3 matthew 983: ################################################################
984: # Main handler #
985: ################################################################
1.1 www 986: sub handler {
987: my $r = shift;
1.3 matthew 988: my $user = $ENV{'user.name'};
989: my $domain = $ENV{'user.domain'};
1.31 www 990: &Apache::loncommon::content_type($r,'text/html');
1.4 matthew 991: # Some pages contain DES keys and should not be cached.
992: &Apache::loncommon::no_cache($r);
1.1 www 993: $r->send_http_header;
994: return OK if $r->header_only;
1.9 matthew 995: #
1.35 matthew 996: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.44 www 997: ['action','wysiwyg','returnurl']);
1.35 matthew 998: #
999: &Apache::lonhtmlcommon::clear_breadcrumbs();
1000: &Apache::lonhtmlcommon::add_breadcrumb
1001: ({href => '/adm/preferences',
1002: text => 'Set User Preferences'});
1003:
1004: my @Options;
1005: # Determine current authentication method
1006: my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);
1007: if ($currentauth =~ /^(unix|internal):/) {
1008: push (@Options,({ action => 'changepass',
1.40 www 1009: linktext => 'Change Password',
1.35 matthew 1010: href => '/adm/preferences',
1011: help => 'Change_Password',
1012: subroutine => \&passwordchanger,
1013: breadcrumb =>
1014: { href => '/adm/preferences?action=changepass',
1015: text => 'Change Password'},
1016: },
1017: { action => 'verify_and_change_pass',
1018: subroutine => \&verify_and_change_password,
1019: breadcrumb =>
1020: { href =>'/adm/preferences?action=changepass',
1021: text => 'Change Password'},
1022: printmenu => 'yes',
1023: }));
1024: }
1025: push (@Options,({ action => 'changescreenname',
1026: linktext => 'Change Screen Name',
1027: href => '/adm/preferences',
1028: help => 'Prefs_Screen_Name_Nickname',
1029: subroutine => \&screennamechanger,
1030: breadcrumb =>
1031: { href => '/adm/preferences?action=changescreenname',
1032: text => 'Change Screen Name'},
1033: },
1034: { action => 'verify_and_change_screenname',
1035: subroutine => \&verify_and_change_screenname,
1036: breadcrumb =>
1037: { href => '/adm/preferences?action=changescreenname',
1038: text => 'Change Screen Name'},
1039: printmenu => 'yes',
1040: }));
1041:
1042: push (@Options,({ action => 'changemsgforward',
1.49 albertel 1043: linktext => 'Change Message Forwarding and Notification Addresses',
1.35 matthew 1044: href => '/adm/preferences',
1045: help => 'Prefs_Forwarding',
1046: breadcrumb =>
1047: { href => '/adm/preferences?action=changemsgforward',
1048: text => 'Change Message Forwarding'},
1049: subroutine => \&msgforwardchanger,
1050: },
1051: { action => 'verify_and_change_msgforward',
1052: breadcrumb =>
1053: { href => '/adm/preferences?action=changemsgforward',
1054: text => 'Change Message Forwarding'},
1055: printmenu => 'yes',
1056: subroutine => \&verify_and_change_msgforward }));
1057: my $aboutmeaction=
1058: '/adm/'.$ENV{'user.domain'}.'/'.$ENV{'user.name'}.'/aboutme';
1059: push (@Options,{ action => 'none',
1060: linktext =>
1.41 www 1061: q{Edit the 'About Me' Personal Information Screen},
1.45 www 1062: help => 'Prefs_About_Me',
1.35 matthew 1063: href => $aboutmeaction});
1064: push (@Options,({ action => 'changecolors',
1065: linktext => 'Change Color Scheme',
1066: href => '/adm/preferences',
1067: help => 'Change_Colors',
1068: breadcrumb =>
1069: { href => '/adm/preferences?action=changecolors',
1070: text => 'Change Colors'},
1071: subroutine => \&colorschanger,
1072: },
1073: { action => 'verify_and_change_colors',
1074: breadcrumb =>
1075: { href => '/adm/preferences?action=changecolors',
1076: text => 'Change Colors'},
1077: printmenu => 'yes',
1078: subroutine => \&verify_and_change_colors,
1079: }));
1080: push (@Options,({ action => 'changelanguages',
1.39 www 1081: linktext => 'Change Language Preferences',
1.35 matthew 1082: href => '/adm/preferences',
1.45 www 1083: help => 'Prefs_Language',
1.35 matthew 1084: breadcrumb=>
1085: { href => '/adm/preferences?action=changelanguages',
1086: text => 'Change Language'},
1087: subroutine => \&languagechanger,
1088: },
1089: { action => 'verify_and_change_languages',
1090: breadcrumb=>
1091: {href => '/adm/preferences?action=changelanguages',
1092: text => 'Change Language'},
1093: printmenu => 'yes',
1094: subroutine=>\&verify_and_change_languages, }
1095: ));
1.44 www 1096: push (@Options,({ action => 'changewysiwyg',
1097: linktext => 'Change WYSIWYG Editor Preferences',
1098: href => '/adm/preferences',
1099: breadcrumb =>
1100: { href => '/adm/preferences?action=changewysiwyg',
1101: text => 'Change WYSIWYG Preferences'},
1102: subroutine => \&wysiwygchanger,
1103: },
1104: { action => 'set_wysiwyg',
1105: breadcrumb =>
1106: { href => '/adm/preferences?action=changewysiwyg',
1107: text => 'Change WYSIWYG Preferences'},
1108: printmenu => 'yes',
1109: subroutine => \&verify_and_change_wysiwyg, }
1110: ));
1.42 raeburn 1111: push (@Options,({ action => 'changediscussions',
1112: linktext => 'Change Discussion Display Preferences',
1113: href => '/adm/preferences',
1.46 raeburn 1114: help => 'Change_Discussion_Display',
1.42 raeburn 1115: breadcrumb =>
1116: { href => '/adm/preferences?action=changediscussions',
1.43 raeburn 1117: text => 'Change Discussion Preferences'},
1.42 raeburn 1118: subroutine => \&discussionchanger,
1119: },
1120: { action => 'verify_and_change_discussion',
1121: breadcrumb =>
1122: { href => '/adm/preferences?action=changediscussions',
1.43 raeburn 1123: text => 'Change Discussion Preferences'},
1.42 raeburn 1124: printmenu => 'yes',
1125: subroutine => \&verify_and_change_discussion, }
1126: ));
1127:
1.50 albertel 1128: push (@Options,({ action => 'changerolespref',
1129: linktext => 'Change Roles Page Preferences',
1130: href => '/adm/preferences',
1131: subroutine => \&rolesprefchanger,
1132: breadcrumb =>
1133: { href => '/adm/preferences?action=changerolespref',
1134: text => 'Change Roles Pref'},
1135: },
1136: { action => 'verify_and_change_rolespref',
1137: subroutine => \&verify_and_change_rolespref,
1138: breadcrumb =>
1139: { href => '/adm/preferences?action=changerolespref',
1140: text => 'Change Roles Preferences'},
1141: printmenu => 'yes',
1142: }));
1143:
1.54 albertel 1144: push (@Options,({ action => 'changetexenginepref',
1145: linktext => 'Change How Math Equations Are Displayed',
1146: href => '/adm/preferences',
1147: subroutine => \&texenginechanger,
1148: breadcrumb =>
1149: { href => '/adm/preferences?action=changetexenginepref',
1150: text => 'Change Math Pref'},
1151: },
1152: { action => 'verify_and_change_texengine',
1153: subroutine => \&verify_and_change_texengine,
1154: breadcrumb =>
1155: { href => '/adm/preferences?action=changetexenginepref',
1156: text => 'Change Math Preferences'},
1157: printmenu => 'yes',
1158: }));
1159:
1.50 albertel 1160:
1.51 foxr 1161: if ($ENV{'user.name'} =~ /^(albertel|fox|foxr|koretemey|korte|hallmat3|turtle)$/) {
1.35 matthew 1162: push (@Options,({ action => 'debugtoggle',
1163: printmenu => 'yes',
1164: subroutine => \&toggle_debug,
1165: }));
1166: }
1.53 albertel 1167: my $html=&Apache::lonxml::xmlbegin();
1.35 matthew 1168: $r->print(<<ENDHEADER);
1.53 albertel 1169: $html
1.1 www 1170: <head>
1.4 matthew 1171: <title>LON-CAPA Preferences</title>
1.1 www 1172: </head>
1.3 matthew 1173: ENDHEADER
1.35 matthew 1174: my $call = undef;
1.48 albertel 1175: my $help = undef;
1.35 matthew 1176: my $printmenu = 'yes';
1177: foreach my $option (@Options) {
1178: if ($option->{'action'} eq $ENV{'form.action'}) {
1179: $call = $option->{'subroutine'};
1180: $printmenu = $option->{'printmenu'};
1181: if (exists($option->{'breadcrumb'})) {
1182: &Apache::lonhtmlcommon::add_breadcrumb
1183: ($option->{'breadcrumb'});
1184: }
1.48 albertel 1185: $help=$option->{'help'};
1.35 matthew 1186: }
1187: }
1188: $r->print(&Apache::loncommon::bodytag('Change Preferences'));
1189: $r->print(&Apache::lonhtmlcommon::breadcrumbs
1.48 albertel 1190: (undef,'Change Preferences',$help));
1.35 matthew 1191: if (defined($call)) {
1192: $call->($r);
1193: }
1.44 www 1194: if (($printmenu eq 'yes') && (!$ENV{'form.returnurl'})) {
1.35 matthew 1195: my $optionlist = '<table cellpadding="5">';
1196: if ($ENV{'user.name'} =~
1.51 foxr 1197: /^(albertel|kortemey|fox|foxr|korte|hallmat3|turtle)$/
1.35 matthew 1198: ) {
1199: push (@Options,({ action => 'debugtoggle',
1200: linktext => 'Toggle Debug Messages',
1201: text => 'Current Debug status is -'.
1202: $ENV{'user.debug'}.'-.',
1203: href => '/adm/preferences',
1204: printmenu => 'yes',
1205: subroutine => \&toggle_debug,
1206: }));
1207: }
1208: foreach my $option(@Options) {
1209: my $optiontext = '';
1210: if (exists($option->{'href'})) {
1211: $optiontext .=
1212: '<a href="'.$option->{'href'}.
1213: '?action='.$option->{'action'}.'">'.
1.47 albertel 1214: &mt($option->{'linktext'}).'</a>';
1.35 matthew 1215: }
1216: if (exists($option->{'text'})) {
1.47 albertel 1217: $optiontext .= ' '.&mt($option->{'text'});
1.35 matthew 1218: }
1219: if ($optiontext ne '') {
1220: $optiontext = '<font size="+1">'.$optiontext.'</font>';
1221: my $helplink = ' ';
1222: if (exists($option->{'help'})) {
1223: $helplink = &Apache::loncommon::help_open_topic
1224: ($option->{'help'});
1225: }
1226: $optionlist .= '<tr>'.
1227: '<td>'.$helplink.'</td>'.
1228: '<td>'.$optiontext.'</td>'.
1229: '</tr>';
1230: }
1.13 www 1231: }
1.35 matthew 1232: $optionlist .= '</table>';
1233: $r->print($optionlist);
1.44 www 1234: } elsif ($ENV{'form.returnurl'}) {
1235: $r->print('<br /><a href="'.$ENV{'form.returnurl'}.'"><font size="+1">'.
1236: &mt('Return').'</font></a>');
1.3 matthew 1237: }
1.54 albertel 1238: $r->print(&Apache::loncommon::endbodytag().'</html>');
1.1 www 1239: return OK;
1.35 matthew 1240: }
1241:
1242: sub toggle_debug {
1243: if ($ENV{'user.debug'}) {
1244: &Apache::lonnet::delenv('user\.debug');
1245: } else {
1246: &Apache::lonnet::appenv('user.debug' => 1);
1247: }
1.13 www 1248: }
1.1 www 1249:
1250: 1;
1251: __END__
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