Annotation of loncom/interface/lonpreferences.pm, revision 1.54
1.1 www 1: # The LearningOnline Network
2: # Preferences
3: #
1.54 ! albertel 4: # $Id: lonpreferences.pm,v 1.53 2005/02/17 08:29:43 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',
! 193: #'ttm' => 'TeX to MathML',
! 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: <script type="text/javascript">jsMath.Process()</script>
! 235: ENDLSCREEN
! 236: }
! 237:
! 238:
! 239: sub verify_and_change_texengine {
! 240: my $r = shift;
! 241: my $user = $ENV{'user.name'};
! 242: my $domain = $ENV{'user.domain'};
! 243: # Screenname
! 244: my $newtexengine = $ENV{'form.texengine'};
! 245: $newtexengine=~s/[^\-\w]//g;
! 246: my $message='';
! 247: if ($newtexengine) {
! 248: &Apache::lonnet::put('environment',{'texengine' => $newtexengine});
! 249: &Apache::lonnet::appenv('environment.texengine' => $newtexengine);
! 250: $message='Set new preferred math display to '.$newtexengine;
! 251: } else {
! 252: &Apache::lonnet::del('environment',['texengine']);
! 253: &Apache::lonnet::delenv('environment\.texengine');
! 254: $message='Reset preferred math display.';
! 255: }
! 256: $r->print(<<ENDVCSCREEN);
! 257: </p>
! 258: $message
! 259: ENDVCSCREEN
! 260: }
! 261:
! 262: ################################################################
1.50 albertel 263: # Roles Page Preference Change Subroutines #
264: ################################################################
265: sub rolesprefchanger {
266: my $r = shift;
267: my $user = $ENV{'user.name'};
268: my $domain = $ENV{'user.domain'};
269: my %userenv = &Apache::lonnet::get
270: ('environment',['recentroles','recentrolesn']);
271: my $hotlist_flag=$userenv{'recentroles'};
272: my $hotlist_n=$userenv{'recentrolesn'};
273: my $checked;
274: if ($hotlist_flag) {
275: $checked = 'checked="checked"';
276: }
277:
278: if (!$hotlist_n) { $hotlist_n=3; }
279: my $options;
280: for (my $i=1; $i<10; $i++) {
281: my $select;
282: if ($hotlist_n == $i) { $select = 'selected="selected"'; }
283: $options .= "<option $select>$i</option>\n";
284: }
285:
286: $r->print(<<ENDSCREEN);
287: <p>Some LON-CAPA users have a long list of roles. The Recent Roles Hotlist
288: feature keeps track of the last N roles which have been
289: visited and places a table of these at the top of the roles page.
290: People with very few roles should leave this feature disabled.
291: </p>
292:
293: <form name="server" action="/adm/preferences" method="post">
294: <input type="hidden" name="action" value="verify_and_change_rolespref" />
295: <br />Enable Recent Roles Hotlist:
296: <input type="checkbox" $checked name="recentroles" value="true" />
297: <br />Number of roles in Hotlist:
298: <select name="recentrolesn" size="1">
299: $options
300: </select>
301: <br />
302: <input type="submit" value="Change" />
303: </form>
304: ENDSCREEN
305: }
306:
307: sub verify_and_change_rolespref {
308: my $r = shift;
309: my $user = $ENV{'user.name'};
310: my $domain = $ENV{'user.domain'};
311: # Recent Roles Hotlist Flag
312: my $hotlist_flag = $ENV{'form.recentroles'};
313: my $hotlist_n = $ENV{'form.recentrolesn'};
314: my $message='';
315: if ($hotlist_flag) {
316: &Apache::lonnet::put('environment',{'recentroles' => $hotlist_flag});
317: &Apache::lonnet::appenv('environment.recentroles' => $hotlist_flag);
318: $message='Recent Roles Hotlist is Enabled';
319: } else {
320: &Apache::lonnet::del('environment',['recentroles']);
321: &Apache::lonnet::delenv('environment\.recentroles');
322: $message='Recent Roles Hotlist is Disabled';
323: }
324: if ($hotlist_n) {
325: &Apache::lonnet::put('environment',{'recentrolesn' => $hotlist_n});
326: &Apache::lonnet::appenv('environment.recentrolesn' => $hotlist_n);
327: if ($hotlist_flag) {
328: $message.="<br />Display $hotlist_n Most Recent Roles\n";
329: }
330: }
331:
332: $r->print(<<ENDRPSCREEN);
333: </p>
334: $message
335: ENDRPSCREEN
336: }
337:
338:
1.28 www 339:
340: ################################################################
1.9 matthew 341: # Anonymous Discussion Name Change Subroutines #
342: ################################################################
1.5 www 343: sub screennamechanger {
344: my $r = shift;
345: my $user = $ENV{'user.name'};
346: my $domain = $ENV{'user.domain'};
1.14 www 347: my %userenv = &Apache::lonnet::get
348: ('environment',['screenname','nickname']);
1.6 www 349: my $screenname=$userenv{'screenname'};
1.14 www 350: my $nickname=$userenv{'nickname'};
1.5 www 351: $r->print(<<ENDSCREEN);
1.6 www 352: <form name="server" action="/adm/preferences" method="post">
353: <input type="hidden" name="action" value="verify_and_change_screenname" />
1.14 www 354: <br />New screenname (shown if you post anonymously):
1.6 www 355: <input type="text" size="20" value="$screenname" name="screenname" />
1.14 www 356: <br />New nickname (shown if you post non-anonymously):
357: <input type="text" size="20" value="$nickname" name="nickname" />
1.6 www 358: <input type="submit" value="Change" />
359: </form>
1.5 www 360: ENDSCREEN
361: }
1.6 www 362:
363: sub verify_and_change_screenname {
364: my $r = shift;
365: my $user = $ENV{'user.name'};
366: my $domain = $ENV{'user.domain'};
1.14 www 367: # Screenname
1.6 www 368: my $newscreen = $ENV{'form.screenname'};
1.14 www 369: $newscreen=~s/[^ \w]//g;
1.6 www 370: my $message='';
371: if ($newscreen) {
1.7 www 372: &Apache::lonnet::put('environment',{'screenname' => $newscreen});
373: &Apache::lonnet::appenv('environment.screenname' => $newscreen);
1.6 www 374: $message='Set new screenname to '.$newscreen;
375: } else {
376: &Apache::lonnet::del('environment',['screenname']);
1.7 www 377: &Apache::lonnet::delenv('environment\.screenname');
1.6 www 378: $message='Reset screenname';
379: }
1.14 www 380: # Nickname
381: $message.='<br />';
1.17 matthew 382: $newscreen = $ENV{'form.nickname'};
1.14 www 383: $newscreen=~s/[^ \w]//g;
384: if ($newscreen) {
385: &Apache::lonnet::put('environment',{'nickname' => $newscreen});
386: &Apache::lonnet::appenv('environment.nickname' => $newscreen);
387: $message.='Set new nickname to '.$newscreen;
388: } else {
389: &Apache::lonnet::del('environment',['nickname']);
390: &Apache::lonnet::delenv('environment\.nickname');
391: $message.='Reset nickname';
392: }
393:
1.6 www 394: $r->print(<<ENDVCSCREEN);
395: </p>
396: $message
397: ENDVCSCREEN
1.20 www 398: }
399:
400: ################################################################
401: # Message Forward #
402: ################################################################
403:
404: sub msgforwardchanger {
405: my $r = shift;
406: my $user = $ENV{'user.name'};
407: my $domain = $ENV{'user.domain'};
1.26 www 408: my %userenv = &Apache::lonnet::get('environment',['msgforward','notification','critnotification']);
1.20 www 409: my $msgforward=$userenv{'msgforward'};
410: my $notification=$userenv{'notification'};
411: my $critnotification=$userenv{'critnotification'};
1.25 bowersj2 412: my $forwardingHelp = Apache::loncommon::help_open_topic("Prefs_Forwarding",
413: "What are forwarding ".
414: "and notification ".
415: "addresses");
1.27 bowersj2 416: my $criticalMessageHelp = Apache::loncommon::help_open_topic("Course_Critical_Message",
417: "What are critical messages");
418:
1.20 www 419: $r->print(<<ENDMSG);
1.25 bowersj2 420: $forwardingHelp <br />
1.20 www 421: <form name="server" action="/adm/preferences" method="post">
422: <input type="hidden" name="action" value="verify_and_change_msgforward" />
423: New Forwarding Address(es) (<tt>user:domain,user:domain,...</tt>):
424: <input type="text" size="40" value="$msgforward" name="msgforward" /><hr />
425: New Message Notification Email Address(es) (<tt>joe\@doe.com,jane\@doe.edu,...</tt>):
426: <input type="text" size="40" value="$notification" name="notification" /><hr />
427: New Critical Message Notification Email Address(es) (<tt>joe\@doe.com,jane\@doe.edu,...</tt>):
1.27 bowersj2 428: <input type="text" size="40" value="$critnotification" name="critnotification" />$criticalMessageHelp<hr />
1.20 www 429: <input type="submit" value="Change" />
430: </form>
431: ENDMSG
432: }
433:
434: sub verify_and_change_msgforward {
435: my $r = shift;
436: my $user = $ENV{'user.name'};
437: my $domain = $ENV{'user.domain'};
438: my $newscreen = '';
439: my $message='';
440: foreach (split(/\,/,$ENV{'form.msgforward'})) {
441: my ($msuser,$msdomain)=split(/[\@\:]/,$_);
442: $msuser=~s/\W//g;
443: $msdomain=~s/\W//g;
444: if (($msuser) && ($msdomain)) {
445: if (&Apache::lonnet::homeserver($msuser,$msdomain) ne 'no_host') {
446: $newscreen.=$msuser.':'.$msdomain.',';
447: } else {
448: $message.='No such user: '.$msuser.':'.$msdomain.'<br>';
449: }
450: }
451: }
452: $newscreen=~s/\,$//;
453: if ($newscreen) {
454: &Apache::lonnet::put('environment',{'msgforward' => $newscreen});
455: &Apache::lonnet::appenv('environment.msgforward' => $newscreen);
456: $message.='Set new message forwarding to '.$newscreen.'<br />';
457: } else {
458: &Apache::lonnet::del('environment',['msgforward']);
459: &Apache::lonnet::delenv('environment\.msgforward');
460: $message.='Reset message forwarding<br />';
461: }
462: my $notification=$ENV{'form.notification'};
463: $notification=~s/\s//gs;
464: if ($notification) {
465: &Apache::lonnet::put('environment',{'notification' => $notification});
466: &Apache::lonnet::appenv('environment.notification' => $notification);
467: $message.='Set message notification address to '.$notification.'<br />';
468: } else {
469: &Apache::lonnet::del('environment',['notification']);
470: &Apache::lonnet::delenv('environment\.notification');
471: $message.='Reset message notification<br />';
472: }
473: my $critnotification=$ENV{'form.critnotification'};
474: $critnotification=~s/\s//gs;
475: if ($critnotification) {
476: &Apache::lonnet::put('environment',{'critnotification' => $critnotification});
477: &Apache::lonnet::appenv('environment.critnotification' => $critnotification);
478: $message.='Set critical message notification address to '.$critnotification;
479: } else {
480: &Apache::lonnet::del('environment',['critnotification']);
481: &Apache::lonnet::delenv('environment\.critnotification');
482: $message.='Reset critical message notification<br />';
483: }
484: $r->print(<<ENDVCMSG);
485: </p>
486: $message
487: ENDVCMSG
1.6 www 488: }
489:
1.12 www 490: ################################################################
1.19 www 491: # Colors #
1.12 www 492: ################################################################
493:
1.19 www 494: sub colorschanger {
1.12 www 495: my $r = shift;
1.19 www 496: # figure out colors
497: my $function='student';
498: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
499: $function='coordinator';
500: }
501: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
502: $function='admin';
503: }
504: if (($ENV{'request.role'}=~/^(au|ca)/) ||
505: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
506: $function='author';
507: }
508: my $domain=&Apache::loncommon::determinedomain();
509: my %colortypes=('pgbg' => 'Page Background',
510: 'tabbg' => 'Header Background',
511: 'sidebg'=> 'Header Border',
512: 'font' => 'Font',
513: 'link' => 'Un-Visited Link',
514: 'vlink' => 'Visited Link',
515: 'alink' => 'Active Link');
516: my $chtable='';
1.22 matthew 517: foreach my $item (sort(keys(%colortypes))) {
1.19 www 518: my $curcol=&Apache::loncommon::designparm($function.'.'.$item,$domain);
519: $chtable.='<tr><td>'.$colortypes{$item}.'</td><td bgcolor="'.$curcol.
520: '"> </td><td><input name="'.$item.
1.21 www 521: '" size="10" value="'.$curcol.
522: '" /></td><td><a href="javascript:pjump('."'color_custom','".$colortypes{$item}.
1.19 www 523: "','".$curcol."','"
1.21 www 524: .$item."','parmform.pres','psub'".');">Select</a></td></tr>';
1.19 www 525: }
1.23 matthew 526: my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
1.19 www 527: $r->print(<<ENDCOL);
528: <script>
529:
530: function pclose() {
531: parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
532: "height=350,width=350,scrollbars=no,menubar=no");
533: parmwin.close();
534: }
535:
1.23 matthew 536: $pjump_def
1.19 www 537:
538: function psub() {
539: pclose();
540: if (document.parmform.pres_marker.value!='') {
1.21 www 541: if (document.parmform.pres_type.value!='') {
542: eval('document.server.'+
543: document.parmform.pres_marker.value+
1.19 www 544: '.value=document.parmform.pres_value.value;');
1.21 www 545: }
1.19 www 546: } else {
547: document.parmform.pres_value.value='';
548: document.parmform.pres_marker.value='';
549: }
550: }
551:
552:
553: </script>
1.21 www 554: <form name="parmform">
555: <input type="hidden" name="pres_marker" />
556: <input type="hidden" name="pres_type" />
557: <input type="hidden" name="pres_value" />
558: </form>
1.12 www 559: <form name="server" action="/adm/preferences" method="post">
1.19 www 560: <input type="hidden" name="action" value="verify_and_change_colors" />
561: <table border="2">
562: $chtable
563: </table>
1.21 www 564: <input type="submit" value="Change Custom Colors" />
565: <input type="submit" name="resetall" value="Reset All Colors to Default" />
1.12 www 566: </form>
1.19 www 567: ENDCOL
1.12 www 568: }
569:
1.19 www 570: sub verify_and_change_colors {
1.12 www 571: my $r = shift;
1.19 www 572: # figure out colors
573: my $function='student';
574: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
575: $function='coordinator';
576: }
577: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
578: $function='admin';
579: }
580: if (($ENV{'request.role'}=~/^(au|ca)/) ||
581: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
582: $function='author';
583: }
584: my $domain=&Apache::loncommon::determinedomain();
585: my %colortypes=('pgbg' => 'Page Background',
586: 'tabbg' => 'Header Background',
587: 'sidebg'=> 'Header Border',
588: 'font' => 'Font',
589: 'link' => 'Un-Visited Link',
590: 'vlink' => 'Visited Link',
591: 'alink' => 'Active Link');
592:
1.12 www 593: my $message='';
1.21 www 594: foreach my $item (keys %colortypes) {
595: my $color=$ENV{'form.'.$item};
596: my $entry='color.'.$function.'.'.$item;
597: if (($color=~/^\#[0-9A-Fa-f]{6}$/) && (!$ENV{'form.resetall'})) {
598: &Apache::lonnet::put('environment',{$entry => $color});
599: &Apache::lonnet::appenv('environment.'.$entry => $color);
600: $message.='Set '.$colortypes{$item}.' to '.$color.'<br />';
601: } else {
602: &Apache::lonnet::del('environment',[$entry]);
603: &Apache::lonnet::delenv('environment\.'.$entry);
604: $message.='Reset '.$colortypes{$item}.'<br />';
605: }
606: }
1.19 www 607: $r->print(<<ENDVCCOL);
1.12 www 608: </p>
609: $message
1.21 www 610: <form name="client" action="/adm/preferences" method="post">
611: <input type="hidden" name="action" value="changecolors" />
612: </form>
1.19 www 613: ENDVCCOL
1.12 www 614: }
615:
1.4 matthew 616: ######################################################
617: # password handler subroutines #
618: ######################################################
1.3 matthew 619: sub passwordchanger {
1.4 matthew 620: # This function is a bit of a mess....
1.3 matthew 621: # Passwords are encrypted using londes.js (DES encryption)
622: my $r = shift;
1.4 matthew 623: my $errormessage = shift;
624: $errormessage = ($errormessage || '');
1.3 matthew 625: my $user = $ENV{'user.name'};
626: my $domain = $ENV{'user.domain'};
627: my $homeserver = $ENV{'user.home'};
628: my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);
629: # Check for authentication types that allow changing of the password.
630: return if ($currentauth !~ /^(unix|internal):/);
631: #
632: # Generate keys
633: my ($lkey_cpass ,$ukey_cpass ) = &des_keys();
634: my ($lkey_npass1,$ukey_npass1) = &des_keys();
635: my ($lkey_npass2,$ukey_npass2) = &des_keys();
1.4 matthew 636: # Store the keys in the log files
1.3 matthew 637: my $lonhost = $r->dir_config('lonHostID');
638: my $logtoken=Apache::lonnet::reply('tmpput:'
639: .$ukey_cpass . $lkey_cpass .'&'
640: .$ukey_npass1 . $lkey_npass1.'&'
641: .$ukey_npass2 . $lkey_npass2,
642: $lonhost);
1.4 matthew 643: # Hexify the keys for output as javascript variables
1.3 matthew 644: $ukey_cpass = hex($ukey_cpass);
645: $lkey_cpass = hex($lkey_cpass);
646: $ukey_npass1= hex($ukey_npass1);
647: $lkey_npass1= hex($lkey_npass1);
648: $ukey_npass2= hex($ukey_npass2);
649: $lkey_npass2= hex($lkey_npass2);
650: # Output javascript to deal with passwords
1.4 matthew 651: # Output DES javascript
1.53 albertel 652: my $html=&Apache::lonxml::xmlbegin();
653: $r->print($html."<head>");
1.3 matthew 654: {
655: my $include = $r->dir_config('lonIncludes');
656: my $jsh=Apache::File->new($include."/londes.js");
657: $r->print(<$jsh>);
658: }
659: $r->print(<<ENDFORM);
660: <script language="JavaScript">
661:
662: function send() {
663: uextkey=this.document.client.elements.ukey_cpass.value;
664: lextkey=this.document.client.elements.lkey_cpass.value;
665: initkeys();
666:
1.52 raeburn 667: this.document.pserver.elements.currentpass.value
1.3 matthew 668: =crypted(this.document.client.elements.currentpass.value);
669:
670: uextkey=this.document.client.elements.ukey_npass1.value;
671: lextkey=this.document.client.elements.lkey_npass1.value;
672: initkeys();
1.52 raeburn 673: this.document.pserver.elements.newpass_1.value
1.3 matthew 674: =crypted(this.document.client.elements.newpass_1.value);
675:
676: uextkey=this.document.client.elements.ukey_npass2.value;
677: lextkey=this.document.client.elements.lkey_npass2.value;
678: initkeys();
1.52 raeburn 679: this.document.pserver.elements.newpass_2.value
1.3 matthew 680: =crypted(this.document.client.elements.newpass_2.value);
681:
1.52 raeburn 682: this.document.pserver.submit();
1.3 matthew 683: }
684:
685: </script>
1.4 matthew 686: $errormessage
1.10 www 687:
1.3 matthew 688: <p>
1.36 www 689: <!-- We separate the forms into 'server' and 'client' in order to
1.3 matthew 690: ensure that unencrypted passwords will not be sent out by a
691: crappy browser -->
692:
1.52 raeburn 693: <form name="pserver" action="/adm/preferences" method="post">
1.3 matthew 694: <input type="hidden" name="logtoken" value="$logtoken" />
695: <input type="hidden" name="action" value="verify_and_change_pass" />
696: <input type="hidden" name="currentpass" value="" />
1.4 matthew 697: <input type="hidden" name="newpass_1" value="" />
698: <input type="hidden" name="newpass_2" value="" />
1.3 matthew 699: </form>
700:
701: <form name="client" >
702: <table>
1.4 matthew 703: <tr><td align="right"> Current password: </td>
704: <td><input type="password" name="currentpass" size="10"/> </td></tr>
705: <tr><td align="right"> New password: </td>
706: <td><input type="password" name="newpass_1" size="10" /> </td></tr>
707: <tr><td align="right"> Confirm password: </td>
708: <td><input type="password" name="newpass_2" size="10" /> </td></tr>
1.3 matthew 709: <tr><td colspan="2" align="center">
710: <input type="button" value="Change Password" onClick="send();">
711: </table>
1.4 matthew 712: <input type="hidden" name="ukey_cpass" value="$ukey_cpass" />
713: <input type="hidden" name="lkey_cpass" value="$lkey_cpass" />
1.3 matthew 714: <input type="hidden" name="ukey_npass1" value="$ukey_npass1" />
715: <input type="hidden" name="lkey_npass1" value="$lkey_npass1" />
716: <input type="hidden" name="ukey_npass2" value="$ukey_npass2" />
717: <input type="hidden" name="lkey_npass2" value="$lkey_npass2" />
718: </form>
719: </p>
720: ENDFORM
721: #
722: return;
723: }
724:
725: sub verify_and_change_password {
726: my $r = shift;
727: my $user = $ENV{'user.name'};
728: my $domain = $ENV{'user.domain'};
729: my $homeserver = $ENV{'user.home'};
730: my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);
1.4 matthew 731: # Check for authentication types that allow changing of the password.
732: return if ($currentauth !~ /^(unix|internal):/);
1.3 matthew 733: #
1.53 albertel 734: my $html=&Apache::lonxml::xmlbegin();
1.4 matthew 735: $r->print(<<ENDHEADER);
1.53 albertel 736: $html
1.4 matthew 737: <head>
738: <title>LON-CAPA Preferences: Change password for $user</title>
739: </head>
740: ENDHEADER
1.3 matthew 741: #
742: my $currentpass = $ENV{'form.currentpass'};
743: my $newpass1 = $ENV{'form.newpass_1'};
744: my $newpass2 = $ENV{'form.newpass_2'};
745: my $logtoken = $ENV{'form.logtoken'};
746: # Check for empty data
1.4 matthew 747: unless (defined($currentpass) &&
748: defined($newpass1) &&
749: defined($newpass2) ){
750: &passwordchanger($r,"<p>\n<font color='#ff0000'>ERROR</font>".
751: "Password data was blank.\n</p>");
1.3 matthew 752: return;
753: }
1.16 albertel 754: # Get the keys
755: my $lonhost = $r->dir_config('lonHostID');
1.3 matthew 756: my $tmpinfo = Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
757: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1.4 matthew 758: # I do not a have a better idea about how to handle this
1.3 matthew 759: $r->print(<<ENDERROR);
760: <p>
761: <font color="#ff0000">ERROR:</font> Unable to retrieve stored token for
1.4 matthew 762: password decryption. Please log out and try again.
1.3 matthew 763: </p>
764: ENDERROR
1.4 matthew 765: # Probably should log an error here
1.3 matthew 766: return;
767: }
768: my ($ckey,$n1key,$n2key)=split(/&/,$tmpinfo);
1.4 matthew 769: #
1.17 matthew 770: $currentpass = &des_decrypt($ckey ,$currentpass);
771: $newpass1 = &des_decrypt($n1key,$newpass1);
772: $newpass2 = &des_decrypt($n2key,$newpass2);
1.4 matthew 773: #
1.3 matthew 774: if ($newpass1 ne $newpass2) {
1.4 matthew 775: &passwordchanger($r,
776: '<font color="#ff0000">ERROR:</font>'.
777: 'The new passwords you entered do not match. '.
778: 'Please try again.');
779: return;
780: }
781: if (length($newpass1) < 7) {
782: &passwordchanger($r,
783: '<font color="#ff0000">ERROR:</font>'.
784: 'Passwords must be a minimum of 7 characters long. '.
785: 'Please try again.');
1.3 matthew 786: return;
787: }
1.4 matthew 788: #
789: # Check for bad characters
790: my $badpassword = 0;
791: foreach (split(//,$newpass1)) {
792: $badpassword = 1 if ((ord($_)<32)||(ord($_)>126));
793: }
794: if ($badpassword) {
795: # I can't figure out how to enter bad characters on my browser.
796: &passwordchanger($r,<<ENDERROR);
797: <font color="#ff0000">ERROR:</font>
798: The password you entered contained illegal characters.<br />
799: Valid characters are: space and <br />
800: <pre>
801: !"\#$%&\'()*+,-./0123456789:;<=>?\@
802: ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_\`abcdefghijklmnopqrstuvwxyz{|}~
803: </pre>
804: ENDERROR
805: }
806: #
807: # Change the password (finally)
808: my $result = &Apache::lonnet::changepass
809: ($user,$domain,$currentpass,$newpass1,$homeserver);
810: # Inform the user the password has (not?) been changed
811: if ($result =~ /^ok$/) {
812: $r->print(<<"ENDTEXT");
1.9 matthew 813: <h2>The password for $user was successfully changed</h2>
1.4 matthew 814: ENDTEXT
815: } else {
816: # error error: run in circles, scream and shout
817: $r->print(<<ENDERROR);
1.9 matthew 818: <h2><font color="#ff0000">The password for $user was not changed</font></h2>
1.8 matthew 819: Please make sure your old password was entered correctly.
1.4 matthew 820: ENDERROR
821: }
822: return;
1.3 matthew 823: }
824:
1.42 raeburn 825: ################################################################
826: # discussion display subroutines
827: ################################################################
828: sub discussionchanger {
829: my $r = shift;
830: my $user = $ENV{'user.name'};
831: my $domain = $ENV{'user.domain'};
832: my %userenv = &Apache::lonnet::get
1.43 raeburn 833: ('environment',['discdisplay','discmarkread']);
834: my $discdisp = 'allposts';
835: my $discmark = 'onmark';
836:
837: if (defined($userenv{'discdisplay'})) {
838: unless ($userenv{'discdisplay'} eq '') {
839: $discdisp = $userenv{'discdisplay'};
840: }
841: }
842: if (defined($userenv{'discmarkread'})) {
843: unless ($userenv{'discdisplay'} eq '') {
844: $discmark = $userenv{'discmarkread'};
845: }
846: }
847:
848: my $newdisp = 'unread';
849: my $newmark = 'ondisp';
850:
851: my $function = &Apache::loncommon::get_users_function();
852: my $color = &Apache::loncommon::designparm($function.'.tabbg',
853: $ENV{'user.domain'});
854: my %lt = &Apache::lonlocal::texthash(
855: 'pref' => 'Display Preference',
856: 'curr' => 'Current setting ',
857: 'actn' => 'Action',
858: 'sdpf' => 'Set display preferences for discussion posts for both bulletin boards and individual resources in all your courses.',
859: 'prca' => 'Preferences can be set that determine',
860: 'whpo' => 'Which posts are displayed when you display a bulletin board or resource, and',
861: 'unwh' => 'Under what circumstances posts are identfied as "New"',
862: 'allposts' => 'All posts',
863: 'unread' => 'New posts only',
864: 'ondisp' => 'Once displayed',
865: 'onmark' => 'Once marked as read',
866: 'disa' => 'Posts displayed?',
867: 'npmr' => 'New posts cease to be identified as "New"?',
868: 'thde' => 'The preferences you set here can be overridden within each individual discussion.',
869: 'chgt' => 'Change to '
870: );
871: my $dispchange = $lt{'unread'};
872: my $markchange = $lt{'ondisp'};
873: my $currdisp = $lt{'allposts'};
874: my $currmark = $lt{'onmark'};
875:
876: if ($discdisp eq 'unread') {
877: $dispchange = $lt{'allposts'};
878: $currdisp = $lt{'unread'};
879: $newdisp = 'allposts';
880: }
881:
882: if ($discmark eq 'ondisp') {
883: $markchange = $lt{'onmark'};
884: $currmark = $lt{'ondisp'};
885: $newmark = 'onmark';
1.42 raeburn 886: }
1.43 raeburn 887:
888: $r->print(<<"END");
1.42 raeburn 889: <form name="server" action="/adm/preferences" method="post">
890: <input type="hidden" name="action" value="verify_and_change_discussion" />
891: <br />
1.43 raeburn 892: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li></ol>
893: <br />
894: <br />
895: <table border="0" cellpadding="0" cellspacing="0">
896: <tr>
897: <td width="100%" bgcolor="#000000">
898: <table width="100%" border="0" cellpadding="1" cellspacing="0">
899: <tr>
900: <td width="100%" bgcolor="#000000">
901: <table border="0" cellpadding="3" cellspacing="3" bgcolor="#FFFFFF">
902: <tr bgcolor="$color">
903: <td><b>$lt{'pref'}</b></td>
904: <td><b>$lt{'curr'}</b></td>
905: <td><b>$lt{'actn'}?</b></td>
906: </tr>
907: <tr bgcolor="#dddddd">
908: <td>$lt{'disa'}</td>
909: <td>$lt{$discdisp}</td>
910: <td><input type="checkbox" name="discdisp" /><input type="hidden" name="newdisp" value="$newdisp" /> $lt{'chgt'} "$dispchange"</td>
911: </tr><tr bgcolor="#eeeeee">
912: <td>$lt{'npmr'}</td>
913: <td>$lt{$discmark}</td>
914: <td><input type="checkbox" name="discmark" /><input type="hidden" name="newmark" value="$newmark" /> $lt{'chgt'} "$markchange"</td>
915: </tr>
916: </table>
917: </td>
918: </tr>
919: </table>
920: </td>
921: </tr>
922: </table>
923: <br />
924: <br />
925: <input type="submit" name="sub" value="Store Changes" />
926: <br />
927: <br />
928: Note: $lt{'thde'}
929: </form>
930: END
1.42 raeburn 931: }
932:
933: sub verify_and_change_discussion {
934: my $r = shift;
1.43 raeburn 935: my $user = $ENV{'user.name'};
936: my $domain = $ENV{'user.domain'};
1.42 raeburn 937: my $message='';
1.43 raeburn 938: if (defined($ENV{'form.discdisp'}) ) {
939: my $newdisp = $ENV{'form.newdisp'};
940: if ($newdisp eq 'unread') {
941: $message .='In discussions: only new posts will be displayed.<br/>';
942: &Apache::lonnet::put('environment',{'discdisplay' => $newdisp});
943: &Apache::lonnet::appenv('environment.discdisplay' => $newdisp);
944: } else {
945: $message .= 'In discussions: all posts will be displayed.<br/>';
946: &Apache::lonnet::del('environment',['discdisplay']);
947: &Apache::lonnet::delenv('environment\.discdisplay');
948: }
949: }
950: if (defined($ENV{'form.discmark'}) ) {
951: my $newmark = $ENV{'form.newmark'};
952: if ($newmark eq 'ondisp') {
953: $message.='In discussions: new posts will be cease to be identified as "new" after display.<br/>';
954: &Apache::lonnet::put('environment',{'discmarkread' => $newmark});
955: &Apache::lonnet::appenv('environment.discmarkread' => $newmark);
956: } else {
957: $message.='In discussions: posts will be identified as "new" until marked as read by the reader.<br/>';
958: &Apache::lonnet::del('environment',['discmarkread']);
959: &Apache::lonnet::delenv('environment\.discmarkread');
960: }
1.42 raeburn 961: }
962: $r->print(<<ENDVCSCREEN);
963: </p>
964: $message
965: ENDVCSCREEN
966: }
967:
1.4 matthew 968: ######################################################
969: # other handler subroutines #
970: ######################################################
971:
1.3 matthew 972: ################################################################
973: # Main handler #
974: ################################################################
1.1 www 975: sub handler {
976: my $r = shift;
1.3 matthew 977: my $user = $ENV{'user.name'};
978: my $domain = $ENV{'user.domain'};
1.31 www 979: &Apache::loncommon::content_type($r,'text/html');
1.4 matthew 980: # Some pages contain DES keys and should not be cached.
981: &Apache::loncommon::no_cache($r);
1.1 www 982: $r->send_http_header;
983: return OK if $r->header_only;
1.9 matthew 984: #
1.35 matthew 985: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.44 www 986: ['action','wysiwyg','returnurl']);
1.35 matthew 987: #
988: &Apache::lonhtmlcommon::clear_breadcrumbs();
989: &Apache::lonhtmlcommon::add_breadcrumb
990: ({href => '/adm/preferences',
991: text => 'Set User Preferences'});
992:
993: my @Options;
994: # Determine current authentication method
995: my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);
996: if ($currentauth =~ /^(unix|internal):/) {
997: push (@Options,({ action => 'changepass',
1.40 www 998: linktext => 'Change Password',
1.35 matthew 999: href => '/adm/preferences',
1000: help => 'Change_Password',
1001: subroutine => \&passwordchanger,
1002: breadcrumb =>
1003: { href => '/adm/preferences?action=changepass',
1004: text => 'Change Password'},
1005: },
1006: { action => 'verify_and_change_pass',
1007: subroutine => \&verify_and_change_password,
1008: breadcrumb =>
1009: { href =>'/adm/preferences?action=changepass',
1010: text => 'Change Password'},
1011: printmenu => 'yes',
1012: }));
1013: }
1014: push (@Options,({ action => 'changescreenname',
1015: linktext => 'Change Screen Name',
1016: href => '/adm/preferences',
1017: help => 'Prefs_Screen_Name_Nickname',
1018: subroutine => \&screennamechanger,
1019: breadcrumb =>
1020: { href => '/adm/preferences?action=changescreenname',
1021: text => 'Change Screen Name'},
1022: },
1023: { action => 'verify_and_change_screenname',
1024: subroutine => \&verify_and_change_screenname,
1025: breadcrumb =>
1026: { href => '/adm/preferences?action=changescreenname',
1027: text => 'Change Screen Name'},
1028: printmenu => 'yes',
1029: }));
1030:
1031: push (@Options,({ action => 'changemsgforward',
1.49 albertel 1032: linktext => 'Change Message Forwarding and Notification Addresses',
1.35 matthew 1033: href => '/adm/preferences',
1034: help => 'Prefs_Forwarding',
1035: breadcrumb =>
1036: { href => '/adm/preferences?action=changemsgforward',
1037: text => 'Change Message Forwarding'},
1038: subroutine => \&msgforwardchanger,
1039: },
1040: { action => 'verify_and_change_msgforward',
1041: breadcrumb =>
1042: { href => '/adm/preferences?action=changemsgforward',
1043: text => 'Change Message Forwarding'},
1044: printmenu => 'yes',
1045: subroutine => \&verify_and_change_msgforward }));
1046: my $aboutmeaction=
1047: '/adm/'.$ENV{'user.domain'}.'/'.$ENV{'user.name'}.'/aboutme';
1048: push (@Options,{ action => 'none',
1049: linktext =>
1.41 www 1050: q{Edit the 'About Me' Personal Information Screen},
1.45 www 1051: help => 'Prefs_About_Me',
1.35 matthew 1052: href => $aboutmeaction});
1053: push (@Options,({ action => 'changecolors',
1054: linktext => 'Change Color Scheme',
1055: href => '/adm/preferences',
1056: help => 'Change_Colors',
1057: breadcrumb =>
1058: { href => '/adm/preferences?action=changecolors',
1059: text => 'Change Colors'},
1060: subroutine => \&colorschanger,
1061: },
1062: { action => 'verify_and_change_colors',
1063: breadcrumb =>
1064: { href => '/adm/preferences?action=changecolors',
1065: text => 'Change Colors'},
1066: printmenu => 'yes',
1067: subroutine => \&verify_and_change_colors,
1068: }));
1069: push (@Options,({ action => 'changelanguages',
1.39 www 1070: linktext => 'Change Language Preferences',
1.35 matthew 1071: href => '/adm/preferences',
1.45 www 1072: help => 'Prefs_Language',
1.35 matthew 1073: breadcrumb=>
1074: { href => '/adm/preferences?action=changelanguages',
1075: text => 'Change Language'},
1076: subroutine => \&languagechanger,
1077: },
1078: { action => 'verify_and_change_languages',
1079: breadcrumb=>
1080: {href => '/adm/preferences?action=changelanguages',
1081: text => 'Change Language'},
1082: printmenu => 'yes',
1083: subroutine=>\&verify_and_change_languages, }
1084: ));
1.44 www 1085: push (@Options,({ action => 'changewysiwyg',
1086: linktext => 'Change WYSIWYG Editor Preferences',
1087: href => '/adm/preferences',
1088: breadcrumb =>
1089: { href => '/adm/preferences?action=changewysiwyg',
1090: text => 'Change WYSIWYG Preferences'},
1091: subroutine => \&wysiwygchanger,
1092: },
1093: { action => 'set_wysiwyg',
1094: breadcrumb =>
1095: { href => '/adm/preferences?action=changewysiwyg',
1096: text => 'Change WYSIWYG Preferences'},
1097: printmenu => 'yes',
1098: subroutine => \&verify_and_change_wysiwyg, }
1099: ));
1.42 raeburn 1100: push (@Options,({ action => 'changediscussions',
1101: linktext => 'Change Discussion Display Preferences',
1102: href => '/adm/preferences',
1.46 raeburn 1103: help => 'Change_Discussion_Display',
1.42 raeburn 1104: breadcrumb =>
1105: { href => '/adm/preferences?action=changediscussions',
1.43 raeburn 1106: text => 'Change Discussion Preferences'},
1.42 raeburn 1107: subroutine => \&discussionchanger,
1108: },
1109: { action => 'verify_and_change_discussion',
1110: breadcrumb =>
1111: { href => '/adm/preferences?action=changediscussions',
1.43 raeburn 1112: text => 'Change Discussion Preferences'},
1.42 raeburn 1113: printmenu => 'yes',
1114: subroutine => \&verify_and_change_discussion, }
1115: ));
1116:
1.50 albertel 1117: push (@Options,({ action => 'changerolespref',
1118: linktext => 'Change Roles Page Preferences',
1119: href => '/adm/preferences',
1120: subroutine => \&rolesprefchanger,
1121: breadcrumb =>
1122: { href => '/adm/preferences?action=changerolespref',
1123: text => 'Change Roles Pref'},
1124: },
1125: { action => 'verify_and_change_rolespref',
1126: subroutine => \&verify_and_change_rolespref,
1127: breadcrumb =>
1128: { href => '/adm/preferences?action=changerolespref',
1129: text => 'Change Roles Preferences'},
1130: printmenu => 'yes',
1131: }));
1132:
1.54 ! albertel 1133: push (@Options,({ action => 'changetexenginepref',
! 1134: linktext => 'Change How Math Equations Are Displayed',
! 1135: href => '/adm/preferences',
! 1136: subroutine => \&texenginechanger,
! 1137: breadcrumb =>
! 1138: { href => '/adm/preferences?action=changetexenginepref',
! 1139: text => 'Change Math Pref'},
! 1140: },
! 1141: { action => 'verify_and_change_texengine',
! 1142: subroutine => \&verify_and_change_texengine,
! 1143: breadcrumb =>
! 1144: { href => '/adm/preferences?action=changetexenginepref',
! 1145: text => 'Change Math Preferences'},
! 1146: printmenu => 'yes',
! 1147: }));
! 1148:
1.50 albertel 1149:
1.51 foxr 1150: if ($ENV{'user.name'} =~ /^(albertel|fox|foxr|koretemey|korte|hallmat3|turtle)$/) {
1.35 matthew 1151: push (@Options,({ action => 'debugtoggle',
1152: printmenu => 'yes',
1153: subroutine => \&toggle_debug,
1154: }));
1155: }
1.53 albertel 1156: my $html=&Apache::lonxml::xmlbegin();
1.35 matthew 1157: $r->print(<<ENDHEADER);
1.53 albertel 1158: $html
1.1 www 1159: <head>
1.4 matthew 1160: <title>LON-CAPA Preferences</title>
1.1 www 1161: </head>
1.3 matthew 1162: ENDHEADER
1.35 matthew 1163: my $call = undef;
1.48 albertel 1164: my $help = undef;
1.35 matthew 1165: my $printmenu = 'yes';
1166: foreach my $option (@Options) {
1167: if ($option->{'action'} eq $ENV{'form.action'}) {
1168: $call = $option->{'subroutine'};
1169: $printmenu = $option->{'printmenu'};
1170: if (exists($option->{'breadcrumb'})) {
1171: &Apache::lonhtmlcommon::add_breadcrumb
1172: ($option->{'breadcrumb'});
1173: }
1.48 albertel 1174: $help=$option->{'help'};
1.35 matthew 1175: }
1176: }
1177: $r->print(&Apache::loncommon::bodytag('Change Preferences'));
1178: $r->print(&Apache::lonhtmlcommon::breadcrumbs
1.48 albertel 1179: (undef,'Change Preferences',$help));
1.35 matthew 1180: if (defined($call)) {
1181: $call->($r);
1182: }
1.44 www 1183: if (($printmenu eq 'yes') && (!$ENV{'form.returnurl'})) {
1.35 matthew 1184: my $optionlist = '<table cellpadding="5">';
1185: if ($ENV{'user.name'} =~
1.51 foxr 1186: /^(albertel|kortemey|fox|foxr|korte|hallmat3|turtle)$/
1.35 matthew 1187: ) {
1188: push (@Options,({ action => 'debugtoggle',
1189: linktext => 'Toggle Debug Messages',
1190: text => 'Current Debug status is -'.
1191: $ENV{'user.debug'}.'-.',
1192: href => '/adm/preferences',
1193: printmenu => 'yes',
1194: subroutine => \&toggle_debug,
1195: }));
1196: }
1197: foreach my $option(@Options) {
1198: my $optiontext = '';
1199: if (exists($option->{'href'})) {
1200: $optiontext .=
1201: '<a href="'.$option->{'href'}.
1202: '?action='.$option->{'action'}.'">'.
1.47 albertel 1203: &mt($option->{'linktext'}).'</a>';
1.35 matthew 1204: }
1205: if (exists($option->{'text'})) {
1.47 albertel 1206: $optiontext .= ' '.&mt($option->{'text'});
1.35 matthew 1207: }
1208: if ($optiontext ne '') {
1209: $optiontext = '<font size="+1">'.$optiontext.'</font>';
1210: my $helplink = ' ';
1211: if (exists($option->{'help'})) {
1212: $helplink = &Apache::loncommon::help_open_topic
1213: ($option->{'help'});
1214: }
1215: $optionlist .= '<tr>'.
1216: '<td>'.$helplink.'</td>'.
1217: '<td>'.$optiontext.'</td>'.
1218: '</tr>';
1219: }
1.13 www 1220: }
1.35 matthew 1221: $optionlist .= '</table>';
1222: $r->print($optionlist);
1.44 www 1223: } elsif ($ENV{'form.returnurl'}) {
1224: $r->print('<br /><a href="'.$ENV{'form.returnurl'}.'"><font size="+1">'.
1225: &mt('Return').'</font></a>');
1.3 matthew 1226: }
1.54 ! albertel 1227: $r->print(&Apache::loncommon::endbodytag().'</html>');
1.1 www 1228: return OK;
1.35 matthew 1229: }
1230:
1231: sub toggle_debug {
1232: if ($ENV{'user.debug'}) {
1233: &Apache::lonnet::delenv('user\.debug');
1234: } else {
1235: &Apache::lonnet::appenv('user.debug' => 1);
1236: }
1.13 www 1237: }
1.1 www 1238:
1239: 1;
1240: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonpreferences.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface