File:
[LON-CAPA] /
loncom /
interface /
lonpreferences.pm
Revision
1.125.4.9:
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Thu Jan 28 15:40:10 2010 UTC (14 years, 3 months ago) by
raeburn
Branches:
version_2_9_X
CVS tags:
version_2_9_1,
version_2_9_0,
version_2_8_99_1
Diff to branchpoint 1.125:
preferred,
unified
- Backport 1.175, 1.176, 1.177, 1.178, 1.179, 1.180, 1.181, 1.182.C
1: # The LearningOnline Network
2: # Preferences
3: #
4: # $Id: lonpreferences.pm,v 1.125.4.9 2010/01/28 15:40:10 raeburn Exp $
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: #
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:
33: package Apache::lonpreferences;
34:
35: use strict;
36: use LONCAPA;
37: use Apache::Constants qw(:common);
38: use Apache::File;
39: use Crypt::DES;
40: use DynaLoader; # for Crypt::DES version
41: use Apache::loncommon();
42: use Apache::lonhtmlcommon();
43: use Apache::lonlocal;
44: use Apache::lonnet;
45: use LONCAPA::lonauthcgi();
46: use LONCAPA();
47:
48: #
49: # Write lonnet::passwd to do the call below.
50: # Use:
51: # my $answer=reply("encrypt:passwd:$udom:$uname:$upass",$tryserver);
52: #
53: ##################################################
54: # password associated functions #
55: ##################################################
56: sub des_keys {
57: # Make a new key for DES encryption.
58: # Each key has two parts which are returned separately.
59: # Please note: Each key must be passed through the &hex function
60: # before it is output to the web browser. The hex versions cannot
61: # be used to decrypt.
62: my @hexstr=('0','1','2','3','4','5','6','7',
63: '8','9','a','b','c','d','e','f');
64: my $lkey='';
65: for (0..7) {
66: $lkey.=$hexstr[rand(15)];
67: }
68: my $ukey='';
69: for (0..7) {
70: $ukey.=$hexstr[rand(15)];
71: }
72: return ($lkey,$ukey);
73: }
74:
75: sub des_decrypt {
76: my ($key,$cyphertext) = @_;
77: my $keybin=pack("H16",$key);
78: my $cypher;
79: if ($Crypt::DES::VERSION>=2.03) {
80: $cypher=new Crypt::DES $keybin;
81: } else {
82: $cypher=new DES $keybin;
83: }
84: my $plaintext=
85: $cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,0,16))));
86: $plaintext.=
87: $cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,16,16))));
88: $plaintext=substr($plaintext,1,ord(substr($plaintext,0,1)) );
89: return $plaintext;
90: }
91:
92: ################################################################
93: # Handler subroutines #
94: ################################################################
95:
96: ################################################################
97: # Language Change Subroutines #
98: ################################################################
99:
100: sub wysiwygchanger {
101: my $r = shift;
102: my %userenv = &Apache::lonnet::get
103: ('environment',['wysiwygeditor']);
104: my $onselect='checked="checked"';
105: my $offselect='';
106: if ($userenv{'wysiwygeditor'} eq 'on') {
107: $onselect='';
108: $offselect='checked="checked"';
109: }
110: my $switchoff=&mt('Disable WYSIWYG editor');
111: my $switchon=&mt('Enable WYSIWYG editor');
112: my $warning='';
113: if ($env{'user.adv'}) {
114: $warning.="<p>".&mt("The WYSIWYG editor only supports simple HTML and is in many cases unsuited for advanced authoring. In a number of cases, it may destroy advanced authoring involving LaTeX and script function calls.")."</p>";
115: }
116: $r->print(<<ENDLSCREEN);
117: <form name="prefs" action="/adm/preferences" method="post">
118: <input type="hidden" name="action" value="set_wysiwyg" />
119: $warning
120: <br />
121: <label><input type="radio" name="wysiwyg" value="off" $onselect /> $switchoff</label><br />
122: <label><input type="radio" name="wysiwyg" value="on" $offselect /> $switchon</label>
123: ENDLSCREEN
124: $r->print('<br /><input type="submit" value="'.&mt('Save').'" />');
125: }
126:
127:
128: sub verify_and_change_wysiwyg {
129: my $r = shift;
130: my $newsetting=$env{'form.wysiwyg'};
131: &Apache::lonnet::put('environment',{'wysiwygeditor' => $newsetting});
132: &Apache::lonnet::appenv({'environment.wysiwygeditor' => $newsetting});
133: my $message=&Apache::lonhtmlcommon::confirm_success(&mt('Set [_1] to [_2]','<i>'.&mt('WYSIWYG Editor').'</i>','<tt>'.&mt($newsetting).'</tt>'));
134: $message=&Apache::loncommon::confirmwrapper($message);
135: $r->print(<<ENDVCSCREEN);
136: $message
137: ENDVCSCREEN
138: }
139:
140: ################################################################
141: # Language Change Subroutines #
142: ################################################################
143: sub languagechanger {
144: my $r = shift;
145: my $user = $env{'user.name'};
146: my $domain = $env{'user.domain'};
147: my %userenv = &Apache::lonnet::get
148: ('environment',['languages']);
149: my $language=$userenv{'languages'};
150:
151: my $pref=&mt('Preferred language');
152: my %langchoices=('' => 'No language preference');
153: foreach (&Apache::loncommon::languageids()) {
154: if (&Apache::loncommon::supportedlanguagecode($_)) {
155: $langchoices{&Apache::loncommon::supportedlanguagecode($_)}
156: = &Apache::loncommon::plainlanguagedescription($_);
157: }
158: }
159: my $selectionbox=
160: &Apache::loncommon::select_form(
161: $language,
162: 'language',
163: &Apache::lonlocal::texthash(%langchoices));
164: $r->print(<<ENDLSCREEN);
165: <form name="prefs" action="/adm/preferences" method="post">
166: <input type="hidden" name="action" value="verify_and_change_languages" />
167: <br />$pref: $selectionbox
168: ENDLSCREEN
169: $r->print('<br /><input type="submit" value="'.&mt('Save').'" />');
170: }
171:
172:
173: sub verify_and_change_languages {
174: my $r = shift;
175: my $user = $env{'user.name'};
176: my $domain = $env{'user.domain'};
177: # Screenname
178: my $newlanguage = $env{'form.language'};
179: $newlanguage=~s/[^\-\w]//g;
180: my $message='';
181: if ($newlanguage) {
182: &Apache::lonnet::put('environment',{'languages' => $newlanguage});
183: &Apache::lonnet::appenv({'environment.languages' => $newlanguage});
184: $message=&Apache::lonhtmlcommon::confirm_success(&mt('Set [_1] to [_2]','<i>'.&mt('Preferred language').'</i>','<tt>"'.$newlanguage.'"</tt>.'));
185: } else {
186: &Apache::lonnet::del('environment',['languages']);
187: &Apache::lonnet::delenv('environment.languages');
188: $message=&Apache::lonhtmlcommon::confirm_success(&mt('Reset [_1]','<i>'.&mt('Preferred language').'</i>'));
189: }
190: $message=&Apache::loncommon::confirmwrapper($message);
191: &Apache::loncommon::flush_langs_cache($user,$domain);
192: $r->print(<<ENDVCSCREEN);
193: $message
194: ENDVCSCREEN
195: }
196:
197: ################################################################
198: # Tex Engine Change Subroutines #
199: ################################################################
200: sub texenginechanger {
201: my $r = shift;
202: my $user = $env{'user.name'};
203: my $domain = $env{'user.domain'};
204: my %userenv = &Apache::lonnet::get('environment',['texengine']);
205: my $texengine=$userenv{'texengine'};
206:
207: my %mathchoices=('' => 'Default',
208: 'tth' => 'tth (TeX to HTML)',
209: #'ttm' => 'TeX to MathML',
210: 'jsMath' => 'jsMath',
211: 'mimetex' => 'mimetex (Convert to Images)',
212: 'raw' => 'Raw (Screen Reader)'
213: );
214: my $selectionbox=
215: &Apache::loncommon::select_form(
216: $texengine,
217: 'texengine',
218: &Apache::lonlocal::texthash(%mathchoices));
219: my $jsMath_start=&Apache::lontexconvert::jsMath_header();
220: my %lt=&Apache::lonlocal::texthash(
221: 'headline' => 'Change how math is displayed',
222: 'preftxt' => 'Preferred method to display math',
223: 'change' => 'Save',
224: 'exmpl' => 'Examples',
225: 'jsmath' => 'jsMath:',
226: 'tth' => 'tth (TeX to HTML):',
227: 'mimetex' => 'mimetex (Convert to Images):',
228: );
229:
230: my $jsMathWarning='<p>'
231: .'<div class="LC_warning">'
232: .&mt("It looks like you don't have the TeX math fonts installed.")
233: .'</div>'
234: .'<div>'
235: .&mt('The jsMath example on this page may not look right without them. '
236: .'The [_1]jsMath Home Page[_2] has information on how to download the '
237: .'needed fonts. In the meantime, jsMath will do the best it can '
238: .'with the fonts you have, but it may not be pretty and some equations '
239: .'may not be rendered correctly.'
240: ,'<a href="http://www.math.union.edu/locate/jsMath/" target="_blank">'
241: ,'</a>')
242: .'</div>'
243: .'</p>';
244:
245: $r->print(<<ENDLSCREEN);
246: <h2>$lt{'headline'}</h2>
247: <form name="prefs" action="/adm/preferences" method="post">
248: <input type="hidden" name="action" value="verify_and_change_texengine" />
249: <p>
250: $lt{'preftxt'}: $selectionbox
251: <br />
252: <input type="submit" value="$lt{'change'}" />
253: </p>
254: </form>
255: <br />
256: <hr />
257: $lt{'exmpl'}
258:
259: <h3>$lt{'jsmath'}</h3>
260: <p>
261: $jsMath_start
262: <script type="text/javascript">
263: if (jsMath.nofonts == 1) {
264: document.writeln($jsMathWarning);
265: }
266: </script>
267: <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=jsMath" width="400" height="120"></iframe>
268: </p>
269:
270: <h3>$lt{'mimetex'}</h3>
271: <p>
272: <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=mimetex" width="400" height="100"></iframe>
273: </p>
274:
275: <h3>$lt{'tth'}</h3>
276: <p>
277: <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=tth" width="400" height="220"></iframe>
278: </p>
279: ENDLSCREEN
280: if ($env{'environment.texengine'} ne 'jsMath') {
281: $r->print('<script type="text/javascript">jsMath.Process()</script>');
282: }
283: }
284:
285:
286: sub verify_and_change_texengine {
287: my $r = shift;
288: my $user = $env{'user.name'};
289: my $domain = $env{'user.domain'};
290: # Screenname
291: my $newtexengine = $env{'form.texengine'};
292: $newtexengine=~s/[^\-\w]//g;
293: if ($newtexengine eq 'ttm') {
294: &Apache::lonnet::appenv({'browser.mathml' => 1});
295: } else {
296: if ($env{'environment.texengine'} eq 'ttm') {
297: &Apache::lonnet::appenv({'browser.mathml' => 0});
298: }
299: }
300: my $message='';
301: if ($newtexengine) {
302: &Apache::lonnet::put('environment',{'texengine' => $newtexengine});
303: &Apache::lonnet::appenv({'environment.texengine' => $newtexengine});
304: $message=&Apache::lonhtmlcommon::confirm_success(&mt('Set [_1] to [_2]','<i>'.&mt('Preferred method to display Math').'</i>','<tt>"'.$newtexengine.'"</tt>'));
305: } else {
306: &Apache::lonnet::del('environment',['texengine']);
307: &Apache::lonnet::delenv('environment.texengine');
308: $message=&Apache::lonhtmlcommon::confirm_success(&mt('Reset [_1]','<i>'.&mt('Preferred method to display Math').'</i>'));
309: }
310: $message=&Apache::loncommon::confirmwrapper($message);
311: $r->print(<<ENDVCSCREEN);
312: $message
313: ENDVCSCREEN
314: }
315:
316: ################################################################
317: # Roles Page Preference Change Subroutines #
318: ################################################################
319: sub rolesprefchanger {
320: my $r = shift;
321: my $role = ($env{'user.adv'} ? 'Role' : 'Course');
322: my $lc_role = ($env{'user.adv'} ? 'role' : 'course');
323: my $user = $env{'user.name'};
324: my $domain = $env{'user.domain'};
325: my %userenv = &Apache::lonnet::get
326: ('environment',['recentroles','recentrolesn']);
327: my $hotlist_flag=$userenv{'recentroles'};
328: my $hotlist_n=$userenv{'recentrolesn'};
329: my $checked;
330: if ($hotlist_flag) {
331: $checked = ' checked="checked"';
332: }
333:
334: if (!$hotlist_n) { $hotlist_n=3; }
335: my $options;
336: for (my $i=1; $i<10; $i++) {
337: my $select;
338: if ($hotlist_n == $i) { $select = 'selected="selected"'; }
339: $options .= "<option $select>$i</option>\n";
340: }
341:
342: # Get list of recent roles and display with checkbox in front
343: my $roles_check_list = '';
344: my $role_key='';
345: if ($env{'environment.recentroles'}) {
346: my %recent_roles =
347: &Apache::lonhtmlcommon::get_recent('roles',$env{'environment.recentrolesn'});
348: my %frozen_roles =
349: &Apache::lonhtmlcommon::get_recent_frozen('roles',$env{'environment.recentrolesn'});
350:
351: my %role_text = &rolespref_get_role_text([keys(%recent_roles)]);
352: my @sorted_roles = sort {$role_text{$a} cmp $role_text{$b}} keys(%role_text);
353:
354: $roles_check_list .=
355: &Apache::loncommon::start_data_table().
356: &Apache::loncommon::start_data_table_header_row().
357: "<th>".&mt('Freeze '.$role)."</th>".
358: "<th>".&mt($role)."</td>".
359: &Apache::loncommon::end_data_table_header_row().
360: "\n";
361: my $count;
362: foreach $role_key (@sorted_roles) {
363: my $checked = "";
364: my $value = $recent_roles{$role_key};
365: if ($frozen_roles{$role_key}) {
366: $checked = ' checked="checked"';
367: }
368: $count++;
369: $roles_check_list .=
370: &Apache::loncommon::start_data_table_row().
371: '<td class="LC_table_cell_checkbox">'.
372: "<input type=\"checkbox\"$checked name=\"freezeroles\"".
373: " id=\"freezeroles$count\" value=\"$role_key\" /></td>".
374: "<td><label for=\"freezeroles$count\">".
375: "$role_text{$role_key}</label></td>".
376: &Apache::loncommon::end_data_table_row(). "\n";
377: }
378: $roles_check_list .= "</table>\n";
379: }
380:
381: $r->print('
382: <p>'.&mt('Some LON-CAPA users have a long list of '.$lc_role.'s. The Recent '.$role.'s Hotlist feature keeps track of the last N '.$lc_role.'s which have been visited and places a table of these at the top of the '.$lc_role.'s page. People with very few '.$lc_role.'s should leave this feature disabled.').'
383: </p>
384: <form name="prefs" action="/adm/preferences" method="post">
385: <input type="hidden" name="action" value="verify_and_change_rolespref" />
386: <br />'.
387: '<h2>'.&mt('Recent '.$role.'s Hotlist').'</h2>'.
388: &Apache::lonhtmlcommon::start_pick_box().
389: &Apache::lonhtmlcommon::row_title('<label for="Hotlist">'.&mt('Enable Recent '.$role.'s Hotlist').'</label>').
390: '<input id="Hotlist" type="checkbox"'.$checked.' name="recentroles" value="true" />'.
391: &Apache::lonhtmlcommon::row_closure().
392: &Apache::lonhtmlcommon::row_title('<label for="NumberOfRoles">'.&mt('Number of '.$role.'s in Hotlist').'</label>').
393: '<select name="recentrolesn" size="1" id ="NumberOfRoles">'.
394: $options.
395: '</select>'.
396: &Apache::lonhtmlcommon::row_closure(1).
397: &Apache::lonhtmlcommon::end_pick_box().
398: '<br/><h2>'.&mt('Freeze Roles').'</h2>'.
399: '<p>'.&mt('This list below can be used to <q>freeze</q> '.$lc_role.'s on your screen. Those marked as frozen will not be removed from the list, even if they have not been used recently.').'
400: </p>
401: '.$roles_check_list.'
402: <br />
403: <input type="submit" value="'.&mt('Save').'" />
404: </form>');
405: }
406:
407: sub rolespref_get_role_text {
408: # Get a line of text for each role
409: my ($roles) = @_;
410: my %roletext = ();
411:
412: foreach my $item (@$roles) {
413: # get course information
414: my ($role,$rest) = split(/\./, $item);
415: my $trole = "";
416: $trole = &Apache::lonnet::plaintext($role);
417: my ($tdomain,$other,$tsection)= split(/\//,Apache::lonnet::declutter($rest));
418: my $tother = '-';
419: if ($role =~ /^(cc|st|in|ta|ep|cr)/ ) {
420: my %newhash=&Apache::lonnet::coursedescription($tdomain."_".$other);
421: $tother = " - ".$newhash{'description'};
422: } elsif ($role =~ /dc/) {
423: $tother = "";
424: } else {
425: $tother = " - $other";
426: }
427:
428: my $section="";
429: if ($tsection) {
430: $section = " - Section/Group: $tsection";
431: }
432: $roletext{$item} = $tdomain." - ".$trole.$tother.$section;
433: }
434: return %roletext;
435: }
436:
437: sub verify_and_change_rolespref {
438: my $r = shift;
439: my $role = ($env{'user.adv'} ? 'Role' : 'Course');
440: my $user = $env{'user.name'};
441: my $domain = $env{'user.domain'};
442: # Recent Roles Hotlist Flag
443: my $hotlist_flag = $env{'form.recentroles'};
444: my $hotlist_n = $env{'form.recentrolesn'};
445: my $message='<hr />';
446: if ($hotlist_flag) {
447: &Apache::lonnet::put('environment',{'recentroles' => $hotlist_flag});
448: &Apache::lonnet::appenv({'environment.recentroles' => $hotlist_flag});
449: $message=&Apache::lonhtmlcommon::confirm_success(&mt('Recent '.$role.'s Hotlist is Enabled.')." ".&mt('Display [_1] Most Recent '.$role.'s.',$hotlist_n));
450: } else {
451: &Apache::lonnet::del('environment',['recentroles']);
452: &Apache::lonnet::delenv('environment.recentroles');
453: $message=&Apache::lonhtmlcommon::confirm_success(&mt('Recent '.$role.'s Hotlist is Disabled'));
454: }
455: if ($hotlist_n) {
456: &Apache::lonnet::put('environment',{'recentrolesn' => $hotlist_n});
457: &Apache::lonnet::appenv({'environment.recentrolesn' => $hotlist_n});
458: if ($hotlist_flag) {
459: $message.="<br />".
460: &mt('Display [_1] Most Recent '.$role.'s',$hotlist_n)."\n";
461: }
462: }
463:
464: # Get list of froze roles and list of recent roles
465: my @freeze_list = &Apache::loncommon::get_env_multiple('form.freezeroles');
466: my %freeze = ();
467: my %roletext = ();
468:
469: foreach my $key (@freeze_list) {
470: $freeze{$key}='1';
471: }
472:
473: my %recent_roles =
474: &Apache::lonhtmlcommon::get_recent('roles',$env{'environment.recentrolesn'});
475: my %frozen_roles =
476: &Apache::lonhtmlcommon::get_recent_frozen('roles',$env{'environment.recentrolesn'});
477: my %role_text = &rolespref_get_role_text([keys(%recent_roles)]);
478:
479: # Unset any roles that were previously frozen but aren't in list
480: foreach my $role_key (sort(keys(%recent_roles))) {
481: if (($frozen_roles{$role_key}) && (!exists($freeze{$role_key}))) {
482: $message .= "<br />".&Apache::lonhtmlcommon::confirm_success(&mt('Unfreezing '.$role.': [_1]','<i>'.$role_text{$role_key}.'</i>'));
483: &Apache::lonhtmlcommon::store_recent('roles',$role_key,' ',0);
484: }
485: }
486:
487: # Freeze selected roles
488: foreach my $role_key (@freeze_list) {
489: if (!$frozen_roles{$role_key}) {
490: $message .= "<br />".
491: &Apache::lonhtmlcommon::confirm_success(&mt('Freezing '.$role.': [_1]','<i>'.$role_text{$role_key}.'</i>'));
492: &Apache::lonhtmlcommon::store_recent('roles',
493: $role_key,' ',1);
494: }
495: }
496: $message=&Apache::loncommon::confirmwrapper($message);
497: $r->print(<<ENDRPSCREEN);
498: $message
499: ENDRPSCREEN
500: }
501:
502:
503:
504: ################################################################
505: # Anonymous Discussion Name Change Subroutines #
506: ################################################################
507: sub screennamechanger {
508: my $r = shift;
509: my $user = $env{'user.name'};
510: my $domain = $env{'user.domain'};
511: my %userenv = &Apache::lonnet::get
512: ('environment',['screenname','nickname']);
513: my $screenname=$userenv{'screenname'};
514: my $nickname=$userenv{'nickname'};
515: $r->print('<p>'
516: .&mt('Change the name that is displayed in your posts.')
517: .'</p>'
518: );
519: $r->print('<form name="prefs" action="/adm/preferences" method="post">'
520: .'<input type="hidden" name="action" value="verify_and_change_screenname" />'
521: .&Apache::lonhtmlcommon::start_pick_box()
522: .&Apache::lonhtmlcommon::row_title(&mt('New screenname (shown if you post anonymously)'))
523: .'<input type="text" size="20" value="'.$screenname.'" name="screenname" />'
524: .&Apache::lonhtmlcommon::row_closure()
525: .&Apache::lonhtmlcommon::row_title(&mt('New nickname (shown if you post non-anonymously)'))
526: .'<input type="text" size="20" value="'.$nickname.'" name="nickname" />'
527: .&Apache::lonhtmlcommon::row_closure()
528: .&Apache::lonhtmlcommon::row_title()
529: .'<input type="submit" value="'.&mt('Save').'" />'
530: .&Apache::lonhtmlcommon::row_closure(1)
531: .&Apache::lonhtmlcommon::end_pick_box()
532: .'</form>'
533: );
534: }
535:
536: sub verify_and_change_screenname {
537: my $r = shift;
538: my $user = $env{'user.name'};
539: my $domain = $env{'user.domain'};
540: # Screenname
541: my $newscreen = $env{'form.screenname'};
542: $newscreen=~s/[^ \w]//g;
543: my $message='';
544: if ($newscreen) {
545: &Apache::lonnet::put('environment',{'screenname' => $newscreen});
546: &Apache::lonnet::appenv({'environment.screenname' => $newscreen});
547: $message=&Apache::lonhtmlcommon::confirm_success(&mt('Set [_1] to [_2]','<i>'.&mt('Screenname').'</i>','<tt>"'.$newscreen.'"</tt>'));
548: } else {
549: &Apache::lonnet::del('environment',['screenname']);
550: &Apache::lonnet::delenv('environment.screenname');
551: $message=&Apache::lonhtmlcommon::confirm_success(&mt('Reset [_1]','<i>'.&mt('Screenname').'</i>'));
552: }
553: # Nickname
554: $message.='<br />';
555: $newscreen = $env{'form.nickname'};
556: $newscreen=~s/[^ \w]//g;
557: if ($newscreen) {
558: &Apache::lonnet::put('environment',{'nickname' => $newscreen});
559: &Apache::lonnet::appenv({'environment.nickname' => $newscreen});
560: $message.=&Apache::lonhtmlcommon::confirm_success(&mt('Set [_1] to [_2]','<i>'.&mt('Nickname').'</i>','<tt>"'.$newscreen.'"</tt>'));
561: } else {
562: &Apache::lonnet::del('environment',['nickname']);
563: &Apache::lonnet::delenv('environment.nickname');
564: $message.=&Apache::lonhtmlcommon::confirm_success(&mt('Reset [_1]','<i>'.&mt('Nickname').'</i>'));
565: }
566: &Apache::lonnet::devalidate_cache_new('namescache',$user.':'.$domain);
567: $message=&Apache::loncommon::confirmwrapper($message);
568: $r->print(<<ENDVCSCREEN);
569: $message
570: ENDVCSCREEN
571: }
572:
573: ################################################################
574: # Icon Subroutines #
575: ################################################################
576: sub iconchanger {
577: my $r = shift;
578: my $user = $env{'user.name'};
579: my $domain = $env{'user.domain'};
580: my %userenv = &Apache::lonnet::get
581: ('environment',['icons']);
582: my $iconic='checked="checked"';
583: my $classic='';
584: my $onlyicon='';
585: if ($userenv{'icons'} eq 'classic') {
586: $classic='checked="checked"';
587: $iconic='';
588: }
589: if ($userenv{'icons'} eq 'iconsonly') {
590: $onlyicon='checked="checked"';
591: $iconic='';
592: }
593: my $useicons=&mt('Use icons and text');
594: my $usebuttons=&mt('Use buttons and text');
595: my $useicononly=&mt('Use icons only');
596: my $change=&mt('Save');
597: $r->print(<<ENDSCREEN);
598: <form name="prefs" action="/adm/preferences" method="post">
599: <input type="hidden" name="action" value="verify_and_change_icons" />
600: <label><input type="radio" name="menumode" value="iconic" $iconic /> $useicons</label><br />
601: <label><input type="radio" name="menumode" value="classic" $classic /> $usebuttons</label><br />
602: <label><input type="radio" name="menumode" value="iconsonly" $onlyicon /> $useicononly</label><br />
603: <input type="submit" value="$change" />
604: </form>
605: ENDSCREEN
606: }
607:
608: sub verify_and_change_icons {
609: my $r = shift;
610: my $user = $env{'user.name'};
611: my $domain = $env{'user.domain'};
612: my $newicons = $env{'form.menumode'};
613:
614: &Apache::lonnet::put('environment',{'icons' => $newicons});
615: &Apache::lonnet::appenv({'environment.icons' => $newicons});
616: my $message=&Apache::lonhtmlcommon::confirm_success(&mt('Set [_1] to [_2]','<i>'.&mt('Menu Display').'</i>','<tt>'.$newicons.'</tt>'));
617: $message=&Apache::loncommon::confirmwrapper($message);
618: $r->print(<<ENDVCSCREEN);
619: $message
620: ENDVCSCREEN
621: }
622:
623: ################################################################
624: # Clicker Subroutines #
625: ################################################################
626:
627: sub clickerchanger {
628: my $r = shift;
629: my $user = $env{'user.name'};
630: my $domain = $env{'user.domain'};
631: my %userenv = &Apache::lonnet::get
632: ('environment',['clickers']);
633: my $clickers=$userenv{'clickers'};
634: $clickers=~s/\,/\n/gs;
635: my $text=&mt('Enter response device ("clicker") numbers');
636: my $change=&mt('Register');
637: my $helplink=&Apache::loncommon::help_open_topic('Clicker_Registration',&mt('Locating your clicker ID'));
638: $r->print(<<ENDSCREEN);
639: <form name="prefs" action="/adm/preferences" method="post">
640: <input type="hidden" name="action" value="verify_and_change_clicker" />
641: <label>$helplink<br /><br />$text<br />
642: <textarea name="clickers" rows="5" cols="20">$clickers</textarea>
643: </label>
644: <br />
645: <input type="submit" value="$change" />
646: </form>
647: ENDSCREEN
648: }
649:
650: sub verify_and_change_clicker {
651: my $r = shift;
652: my $user = $env{'user.name'};
653: my $domain = $env{'user.domain'};
654: my $newclickers = $env{'form.clickers'};
655: $newclickers=~s/[^\w\:\-]+/\,/gs;
656: $newclickers=~tr/a-z/A-Z/;
657: $newclickers=~s/[\:\-]+/\-/g;
658: $newclickers=~s/\,+/\,/g;
659: $newclickers=~s/^\,//;
660: $newclickers=~s/\,$//;
661: &Apache::lonnet::put('environment',{'clickers' => $newclickers});
662: &Apache::lonnet::appenv({'environment.clickers' => $newclickers});
663: my $message=&Apache::lonhtmlcommon::confirm_success(&mt('Registering clickers: [_1]',$newclickers));
664: $message=&Apache::loncommon::confirmwrapper($message);
665: $r->print(<<ENDVCSCREEN);
666: $message
667: ENDVCSCREEN
668: }
669:
670: ################################################################
671: # Domcoord Access Subroutines #
672: ################################################################
673:
674: sub domcoordchanger {
675: my $r = shift;
676: my $user = $env{'user.name'};
677: my $domain = $env{'user.domain'};
678: my %userenv = &Apache::lonnet::get
679: ('environment',['domcoord.author']);
680: my $constchecked='';
681: if ($userenv{'domcoord.author'} eq 'blocked') {
682: $constchecked=' checked="checked"';
683: }
684: my $text=&mt('By default, the Domain Coordinator can enter your construction space.');
685: my $construction=&mt('Block access to construction space');
686: my $change=&mt('Save');
687: $r->print(<<ENDSCREEN);
688: <form name="prefs" action="/adm/preferences" method="post">
689: <input type="hidden" name="action" value="verify_and_change_domcoord" />
690: $text<br />
691: <label><input type="checkbox" name="construction"$constchecked />$construction</label><br />
692: <input type="submit" value="$change" />
693: </form>
694: ENDSCREEN
695: }
696:
697: sub verify_and_change_domcoord {
698: my $r = shift;
699: my $user = $env{'user.name'};
700: my $domain = $env{'user.domain'};
701: my %domcoord=('domcoord.author' => '');
702: if ($env{'form.construction'}) { $domcoord{'domcoord.author'}='blocked'; }
703: &Apache::lonnet::put('environment',\%domcoord);
704: &Apache::lonnet::appenv({'environment.domcoord.author' => $domcoord{'domcoord.author'}});
705: my $status='';
706: if ($domcoord{'domcoord.author'} eq 'blocked') {
707: $status=&mt('on');
708: } else {
709: $status=&mt('off');
710: }
711: my $message=&Apache::lonhtmlcommon::confirm_success(&mt('Set [_1] to [_2]','<i>'.&mt('Block access to construction space').'</i>','<tt>'.$status.'</tt>'));
712: $message=&Apache::loncommon::confirmwrapper($message);
713: $r->print(<<ENDVCSCREEN);
714: $message
715: ENDVCSCREEN
716: }
717:
718: #################################################################
719: ## Lock Subroutines #
720: #################################################################
721:
722: sub lockwarning {
723: my $r = shift;
724: my $title=&mt('Action locked');
725: my $texttop=&mt('LON-CAPA is currently performing the following actions:');
726: my $textbottom=&mt('Changing roles or logging out may result in data corruption.');
727: my ($num,%which)=&Apache::lonnet::get_locks();
728: my $which='';
729: foreach my $id (keys %which) {
730: $which.='<li>'.$which{$id}.'</li>';
731: }
732: my $change=&mt('Override');
733: $r->print(<<ENDSCREEN);
734: <form name="prefs" action="/adm/preferences" method="post">
735: <input type="hidden" name="action" value="verify_and_change_locks" />
736: <h1>$title</h1>
737: $texttop
738: <ul>
739: $which
740: </ul>
741: $textbottom
742: <input type="submit" value="$change" />
743: </form>
744: ENDSCREEN
745: }
746:
747: sub verify_and_change_lockwarning {
748: my $r = shift;
749: &Apache::lonnet::remove_all_locks();
750: $r->print(&mt('Cleared locks.'));
751: }
752:
753:
754: ################################################################
755: # Message Forward #
756: ################################################################
757:
758: sub msgforwardchanger {
759: my ($r,$message) = @_;
760: my $user = $env{'user.name'};
761: my $domain = $env{'user.domain'};
762: my %userenv = &Apache::lonnet::get('environment',['msgforward','notification','critnotification','notifywithhtml']);
763: my $msgforward=$userenv{'msgforward'};
764: my %lt = &Apache::lonlocal::texthash(
765: all => 'All',
766: crit => 'Critical only',
767: reg => 'Non-critical only',
768: foad => 'Forward to account(s)',
769: fwdm => 'Forward messages to other account(s) in LON-CAPA',
770: noti => 'E-mail notification of LON-CAPA messages',
771: foad_exmpl => 'e.g. <tt>userA:domain1,userB:domain2,...</tt>',
772: mnot => 'E-mail Address(es) which should be notified about new LON-CAPA messages',
773: mnot_exmpl => 'e.g. <tt>joe@doe.com</tt>',
774: chg => 'Save',
775: email => 'The e-mail address entered in row ',
776: notv => 'is not a valid e-mail address',
777: toen => "To enter multiple addresses, enter one address at a time, click 'Save' and then add the next one",
778: prme => 'Back',
779: );
780: my $forwardingHelp = &Apache::loncommon::help_open_topic("Prefs_Forwarding");
781: my $notificationHelp = &Apache::loncommon::help_open_topic("Prefs_Notification");
782: my $criticalMessageHelp = &Apache::loncommon::help_open_topic("Course_Critical_Message");
783: my @allow_html = split(/,/,$userenv{'notifywithhtml'});
784: my %allnot = &get_notifications(\%userenv);
785: my $validatescript = &Apache::lonhtmlcommon::javascript_valid_email();
786: my $jscript = qq|
787: <script type="text/javascript">
788: function validate() {
789: for (var i=0; i<document.prefs.numnotify.value; i++) {
790: var checkaddress = 0;
791: var addr = document.prefs.elements['address_'+i].value;
792: var rownum = i+1;
793: if (i < document.prefs.numnotify.value-1) {
794: if (document.prefs.elements['modify_notify_'+i].checked) {
795: checkaddress = 1;
796: }
797: } else {
798: if (document.prefs.elements['add_notify_'+i].checked == true) {
799: checkaddress = 1;
800: }
801: }
802: if (checkaddress == 1) {
803: var addr = document.prefs.elements['address_'+i].value;
804: if (validmail(document.prefs.elements['address_'+i]) == false) {
805: var multimsg = '';
806: if (addr.indexOf(",") >= 0) {
807: multimsg = "\\n($lt{'toen'}).";
808: }
809: alert("$lt{'email'} "+rownum+" ('"+addr+"') $lt{'notv'}."+multimsg);
810: return;
811: }
812: }
813: }
814: document.prefs.submit();
815: }
816:
817: function address_changes (adnum) {
818: if (!document.prefs.elements['del_notify_'+adnum].checked) {
819: document.prefs.elements['modify_notify_'+adnum].checked = true;
820: }
821: }
822:
823: function new_address(adnum) {
824: document.prefs.elements['add_notify_'+adnum].checked = true;
825: }
826:
827: function delete_address(adnum) {
828: if (document.prefs.elements['del_notify_'+adnum].checked) {
829: document.prefs.elements['modify_notify_'+adnum].checked = false;
830: }
831: }
832:
833: function modify_address(adnum) {
834: if (document.prefs.elements['modify_notify_'+adnum].checked) {
835: document.prefs.elements['del_notify_'+adnum].checked = false;
836: }
837: }
838:
839: $validatescript
840: </script>
841: |;
842: $r->print(<<ENDMSG);
843: $jscript
844: $message
845: <h3>$lt{'fwdm'} $forwardingHelp</h3>
846: <form name="prefs" action="/adm/preferences" method="post">
847: <input type="hidden" name="action" value="verify_and_change_msgforward" />
848: $lt{'foad'} ($lt{'foad_exmpl'}):
849: <input type="text" size="40" value="$msgforward" name="msgforward" />
850: <br /><br />
851: <h3>$lt{'noti'} $notificationHelp</h3>
852: $lt{'mnot'} ($lt{'mnot_exmpl'}):<br />
853: ENDMSG
854: my @sortforwards = sort (keys(%allnot));
855: my $output = &Apache::loncommon::start_data_table().
856: &Apache::loncommon::start_data_table_header_row().
857: '<th> </th>'.
858: '<th>'.&mt('Action').'</th>'.
859: '<th>'.&mt('Notification address').'</th><th>'.
860: &mt('Types of message for which notification is sent').
861: $criticalMessageHelp.'</th><th>'.
862: &mt('Excerpt retains HTML tags in message').'</th>'.
863: &Apache::loncommon::end_data_table_header_row();
864: my $num = 0;
865: my $counter = 1;
866: foreach my $item (@sortforwards) {
867: $output .= &Apache::loncommon::start_data_table_row().
868: '<td><b>'.$counter.'</b></td>'.
869: '<td><span class="LC_nobreak"><label>'.
870: '<input type="checkbox" name="modify_notify_'.
871: $num.'" onclick="javscript:modify_address('."'$num'".')" />'.
872: &mt('Modify').'</label></span> '.
873: '<span class="LC_nobreak"><label>'.
874: '<input type="checkbox" name="del_notify_'.$num.
875: '" onclick="javscript:delete_address('."'$num'".')" />'.
876: &mt('Delete').'</label></span></td>'.
877: '<td><input type="text" value="'.$item.'" name="address_'.
878: $num.'" onFocus="javascript:address_changes('."'$num'".
879: ')" /></td><td>';
880: my %chk;
881: if (defined($allnot{$item}{'crit'})) {
882: if (defined($allnot{$item}{'reg'})) {
883: $chk{'all'} = 'checked="checked" ';
884: } else {
885: $chk{'crit'} = 'checked="checked" ';
886: }
887: } else {
888: $chk{'reg'} = 'checked="checked" ';
889: }
890: foreach my $type ('all','crit','reg') {
891: $output .= '<span class="LC_nobreak"><label>'.
892: '<input type="radio" name="notify_type_'.$num.
893: '" value="'.$type.'" '.$chk{$type}.
894: ' onchange="javascript:address_changes('."'$num'".')" />'.
895: $lt{$type}.'</label></span>'.(' ' x4);
896: }
897: my $htmlon = '';
898: my $htmloff = '';
899: if (grep/^\Q$item\E/,@allow_html) {
900: $htmlon = 'checked="checked" ';
901: } else {
902: $htmloff = 'checked="checked" ';
903: }
904: $output .= '</td><td><label><input type="radio" name="html_'.$num.
905: '" value="1" '.$htmlon.
906: ' onchange="javascript:address_changes('."'$num'".')" />'.
907: &mt('Yes').'</label>'.(' ' x3).
908: '<label><input type="radio" name="html_'.$num.'" value="0" '.
909: $htmloff. ' onchange="javascript:address_changes('."'$num'".
910: ')" />'.
911: &mt('No').'</label></td>'.
912: &Apache::loncommon::end_data_table_row();
913: $num ++;
914: $counter ++;
915: }
916: my %defchk = (
917: all => 'checked="checked" ',
918: crit => '',
919: reg => '',
920: );
921: $output .= &Apache::loncommon::start_data_table_row().
922: '<td><b>'.$counter.'</b></td>'.
923: '<td><span class="LC_nobreak"><label>'.
924: '<input type="checkbox" name="add_notify_'.$num.
925: '" value="1" />'.&mt('Add new address').'</label></span></td>'.
926: '<td><input type="text" value="" name="address_'.$num.
927: '" onFocus="javascript:new_address('."'$num'".')" /></td><td>';
928: foreach my $type ('all','crit','reg') {
929: $output .= '<span class="LC_nobreak"><label>'.
930: '<input type="radio" name="notify_type_'.$num.
931: '" value="'.$type.'" '.$defchk{$type}.'/>'.
932: $lt{$type}.'</label></span>'.(' ' x4);
933: }
934: $output .= '</td><td><label><input type="radio" name="html_'.$num.
935: '" value="1" />'.&mt('Yes').'</label>'.(' ' x3).
936: '<label><input type="radio" name="html_'.$num.'" value="0" '.
937: ' checked="checked" />'.
938: &mt('No').'</label></td>'.
939: &Apache::loncommon::end_data_table_row().
940: &Apache::loncommon::end_data_table();
941: $num ++;
942: $r->print($output);
943: $r->print(qq|
944: <br /><hr />
945: <input type="hidden" name="numnotify" value="$num" />
946: <input type="button" value="$lt{'prme'}" onclick="location.href='/adm/preferences'" />
947: <input type="button" value="$lt{'chg'}" onclick="javascript:validate()" />
948: </form>
949: |);
950:
951: }
952:
953: sub get_notifications {
954: my ($userenv) = @_;
955: my %allnot;
956: my @critnot = split(/,/,$userenv->{'critnotification'});
957: my @regnot = split(/,/,$userenv->{'notification'});
958: foreach my $item (@critnot) {
959: $allnot{$item}{crit} = 1;
960: }
961: foreach my $item (@regnot) {
962: $allnot{$item}{reg} = 1;
963: }
964: return %allnot;
965: }
966:
967: sub verify_and_change_msgforward {
968: my $r = shift;
969: my $user = $env{'user.name'};
970: my $domain = $env{'user.domain'};
971: my $newscreen = '';
972: my $message='';
973: foreach my $recip (split(/\,/,$env{'form.msgforward'})) {
974: my ($msuser,$msdomain);
975: if ($recip =~ /:/) {
976: ($msuser,$msdomain)=split(':',$recip);
977: } else {
978: ($msuser,$msdomain)=split(/\@/,$recip);
979: }
980: $msuser = &LONCAPA::clean_username($msuser);
981: $msdomain = &LONCAPA::clean_domain($msdomain);
982: if (($msuser) && ($msdomain)) {
983: if (&Apache::lonnet::homeserver($msuser,$msdomain) ne 'no_host') {
984: $newscreen.=$msuser.':'.$msdomain.',';
985: } else {
986: $message.= &mt('No such user: ').'<tt>'.$msuser.':'.$msdomain.'</tt><br />';
987: }
988: }
989: }
990: $newscreen=~s/\,$//;
991: if ($newscreen) {
992: &Apache::lonnet::put('environment',{'msgforward' => $newscreen});
993: &Apache::lonnet::appenv({'environment.msgforward' => $newscreen});
994: $message .= &Apache::lonhtmlcommon::confirm_success(&mt('Set message forwarding to ').'<tt>"'.$newscreen.'"</tt>.<br />');
995: } else {
996: &Apache::lonnet::del('environment',['msgforward']);
997: &Apache::lonnet::delenv('environment.msgforward');
998: $message.= &Apache::lonhtmlcommon::confirm_success(&mt("Set message forwarding to 'off'.").'<br />');
999: }
1000: my $critnotification;
1001: my $notification;
1002: my $notify_with_html;
1003: my $lastnotify = $env{'form.numnotify'}-1;
1004: my $totaladdresses = 0;
1005: for (my $i=0; $i<$env{'form.numnotify'}; $i++) {
1006: if ((!defined($env{'form.del_notify_'.$i})) &&
1007: ((($i==$lastnotify) && ($env{'form.add_notify_'.$lastnotify} == 1)) ||
1008: ($i<$lastnotify))) {
1009: if (defined($env{'form.address_'.$i})) {
1010: if ($env{'form.notify_type_'.$i} eq 'all') {
1011: $critnotification .= $env{'form.address_'.$i}.',';
1012: $notification .= $env{'form.address_'.$i}.',';
1013: } elsif ($env{'form.notify_type_'.$i} eq 'crit') {
1014: $critnotification .= $env{'form.address_'.$i}.',';
1015: } elsif ($env{'form.notify_type_'.$i} eq 'reg') {
1016: $notification .= $env{'form.address_'.$i}.',';
1017: }
1018: if ($env{'form.html_'.$i} eq '1') {
1019: $notify_with_html .= $env{'form.address_'.$i}.',';
1020: }
1021: $totaladdresses ++;
1022: }
1023: }
1024: }
1025: $critnotification =~ s/,$//;
1026: $critnotification=~s/\s//gs;
1027: $notification =~ s/,$//;
1028: $notification=~s/\s//gs;
1029: $notify_with_html =~ s/,$//;
1030: $notify_with_html =~ s/\s//gs;
1031: if ($notification) {
1032: &Apache::lonnet::put('environment',{'notification' => $notification});
1033: &Apache::lonnet::appenv({'environment.notification' => $notification});
1034: $message.=&Apache::lonhtmlcommon::confirm_success(&mt('Set non-critical message notification address(es) to ').'<tt>"'.$notification.'"</tt>.<br />');
1035: } else {
1036: &Apache::lonnet::del('environment',['notification']);
1037: &Apache::lonnet::delenv('environment.notification');
1038: $message.=&Apache::lonhtmlcommon::confirm_success(&mt("Set non-critical message notification to 'off'.").'<br />');
1039: }
1040: if ($critnotification) {
1041: &Apache::lonnet::put('environment',{'critnotification' => $critnotification});
1042: &Apache::lonnet::appenv({'environment.critnotification' => $critnotification});
1043: $message.=&Apache::lonhtmlcommon::confirm_success(&mt('Set critical message notification address(es) to ').'<tt>"'.$critnotification.'"</tt>.<br />');
1044: } else {
1045: &Apache::lonnet::del('environment',['critnotification']);
1046: &Apache::lonnet::delenv('environment.critnotification');
1047: $message.=&Apache::lonhtmlcommon::confirm_success(&mt("Set critical message notification to 'off'.").'<br />');
1048: }
1049: if ($critnotification || $notification) {
1050: if ($notify_with_html) {
1051: &Apache::lonnet::put('environment',{'notifywithhtml' => $notify_with_html});
1052: &Apache::lonnet::appenv({'environment.notifywithhtml' => $notify_with_html});
1053: $message.=&Apache::lonhtmlcommon::confirm_success(&mt('Set address(es) to receive excerpts with html retained ').'<tt>"'.$notify_with_html.'"</tt>.');
1054: } else {
1055: &Apache::lonnet::del('environment',['notifywithhtml']);
1056: &Apache::lonnet::delenv('environment.notifywithhtml');
1057: if ($totaladdresses == 1) {
1058: $message.=&Apache::lonhtmlcommon::confirm_success(&mt("Set notification address to receive excerpts with html stripped."));
1059: } else {
1060: $message.=&Apache::lonhtmlcommon::confirm_success(&mt("Set all notification addresses to receive excerpts with html stripped."));
1061: }
1062: }
1063: } else {
1064: &Apache::lonnet::del('environment',['notifywithhtml']);
1065: &Apache::lonnet::delenv('environment.notifywithhtml');
1066: }
1067: if ($message) {
1068: $message .= '<br /><hr />';
1069: }
1070: &Apache::loncommon::flush_email_cache($user,$domain);
1071: $message=&Apache::loncommon::confirmwrapper($message);
1072: &msgforwardchanger($r,$message);
1073: }
1074:
1075: ################################################################
1076: # Colors #
1077: ################################################################
1078:
1079: sub colorschanger {
1080: my $r = shift;
1081: # figure out colors
1082: my $function=&Apache::loncommon::get_users_function();
1083: my $domain=&Apache::loncommon::determinedomain();
1084: my %colortypes=('pgbg' => 'Page Background Color',
1085: 'tabbg' => 'Header Background Color',
1086: 'sidebg'=> 'Header Border Color',
1087: 'font' => 'Font Color',
1088: 'link' => 'Un-Visited Link Color',
1089: 'vlink' => 'Visited Link Color',
1090: 'alink' => 'Active Link Color');
1091: my $start_data_table = &Apache::loncommon::start_data_table();
1092: my $chtable='';
1093: foreach my $item (sort(keys(%colortypes))) {
1094: my $curcol=&Apache::loncommon::designparm($function.'.'.$item,$domain);
1095: $chtable.=&Apache::loncommon::start_data_table_row().
1096: '<td>'.$colortypes{$item}.'</td><td style="background: '.$curcol.
1097: '"> </td><td><input name="'.$item.
1098: '" size="10" value="'.$curcol.
1099: '" /></td><td><a href="javascript:pjump('."'color_custom','".$colortypes{$item}.
1100: "','".$curcol."','"
1101: .$item."','parmform.pres','psub'".');">'.&mt('Select').'</a></td>'.
1102: &Apache::loncommon::end_data_table_row()."\n";
1103: }
1104: my $end_data_table = &Apache::loncommon::end_data_table();
1105: my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
1106: my $savebutton = &mt('Save');
1107: my $resetbutton = &mt('Reset All');
1108: my $resetbuttondesc = &mt('Reset All Colors to Default');
1109: $r->print(<<ENDCOL);
1110: <script type="text/javascript">
1111:
1112: function pclose() {
1113: parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
1114: "height=350,width=350,scrollbars=no,menubar=no");
1115: parmwin.close();
1116: }
1117:
1118: $pjump_def
1119:
1120: function psub() {
1121: pclose();
1122: if (document.parmform.pres_marker.value!='') {
1123: if (document.parmform.pres_type.value!='') {
1124: eval('document.prefs.'+
1125: document.parmform.pres_marker.value+
1126: '.value=document.parmform.pres_value.value;');
1127: }
1128: } else {
1129: document.parmform.pres_value.value='';
1130: document.parmform.pres_marker.value='';
1131: }
1132: }
1133:
1134:
1135: </script>
1136: <form name="parmform">
1137: <input type="hidden" name="pres_marker" />
1138: <input type="hidden" name="pres_type" />
1139: <input type="hidden" name="pres_value" />
1140: </form>
1141: <form name="prefs" action="/adm/preferences" method="post">
1142: <input type="hidden" name="action" value="verify_and_change_colors" />
1143: $start_data_table
1144: $chtable
1145: $end_data_table
1146: </table>
1147: <input type="submit" value="$savebutton" />
1148: <input type="submit" name="resetall" value="$resetbutton" title="$resetbuttondesc" />
1149: </form>
1150: ENDCOL
1151: }
1152:
1153: sub verify_and_change_colors {
1154: my $r = shift;
1155: # figure out colors
1156: my $function=&Apache::loncommon::get_users_function();
1157: my $domain=&Apache::loncommon::determinedomain();
1158: my %colortypes=('pgbg' => 'Page Background Color',
1159: 'tabbg' => 'Header Background Color',
1160: 'sidebg'=> 'Header Border Color',
1161: 'font' => 'Font Color',
1162: 'link' => 'Un-Visited Link Color',
1163: 'vlink' => 'Visited Link Color',
1164: 'alink' => 'Active Link Color');
1165:
1166: my $message='';
1167: foreach my $item (keys %colortypes) {
1168: my $color=$env{'form.'.$item};
1169: my $entry='color.'.$function.'.'.$item;
1170: if (($color=~/^\#[0-9A-Fa-f]{6}$/) && (!$env{'form.resetall'})) {
1171: &Apache::lonnet::put('environment',{$entry => $color});
1172: &Apache::lonnet::appenv({'environment.'.$entry => $color});
1173: $message.=&Apache::lonhtmlcommon::confirm_success(&mt('Set [_1] to [_2]','<i>'.$colortypes{$item}.'</i>','<tt>"'.$color.'"</tt>'))
1174: .'<br />';
1175: } else {
1176: &Apache::lonnet::del('environment',[$entry]);
1177: &Apache::lonnet::delenv('environment.'.$entry);
1178: $message.=&Apache::lonhtmlcommon::confirm_success(&mt('Reset [_1]','<i>'.$colortypes{$item}.'</i>'))
1179: .'<br />';
1180: }
1181: }
1182: $message=&Apache::loncommon::confirmwrapper($message);
1183:
1184: my $now = time;
1185: &Apache::lonnet::put('environment',{'color.timestamp' => $now});
1186: &Apache::lonnet::appenv({'environment.color.timestamp' => $now});
1187:
1188: $r->print(<<ENDVCCOL);
1189: $message
1190: <form name="client" action="/adm/preferences" method="post">
1191: <input type="hidden" name="action" value="changecolors" />
1192: </form>
1193: ENDVCCOL
1194: }
1195:
1196: ######################################################
1197: # password handler subroutines #
1198: ######################################################
1199: sub passwordchanger {
1200: my ($r,$errormessage,$caller,$mailtoken) = @_;
1201: # This function is a bit of a mess....
1202: # Passwords are encrypted using londes.js (DES encryption)
1203: $errormessage = ($errormessage || '');
1204: my ($user,$domain,$currentpass,$defdom);
1205: if ((!defined($caller)) || ($caller eq 'preferences')) {
1206: $user = $env{'user.name'};
1207: $domain = $env{'user.domain'};
1208: if (!defined($caller)) {
1209: $caller = 'preferences';
1210: }
1211: } elsif ($caller eq 'reset_by_email') {
1212: $defdom = $r->dir_config('lonDefDomain');
1213: my %data = &Apache::lonnet::tmpget($mailtoken);
1214: if (keys(%data) == 0) {
1215: $r->print(&mt('Sorry, the URL you provided to complete the reset of your password was invalid. Either the token included in the URL has been deleted or the URL you provided was invalid. Please submit a [_1]new request[_2] for a password reset, and follow the link to the new URL included in the e-mail that will be sent to you, to allow you to enter a new password.',
1216: '<a href="/adm/resetpw">','</a>')
1217: );
1218: return;
1219: }
1220: if (defined($data{time})) {
1221: if (time - $data{'time'} < 7200) {
1222: $user = $data{'username'};
1223: $domain = $data{'domain'};
1224: $currentpass = $data{'temppasswd'};
1225: } else {
1226: $r->print(&mt('Sorry, the token generated when you requested a password reset has expired.').'<br />');
1227: return;
1228: }
1229: } else {
1230: $r->print(&mt('Sorry, the URL generated when you requested reset of your password contained incomplete information.').'<br />');
1231: return;
1232: }
1233: } else {
1234: $r->print(&mt('Page requested in unexpected context').'<br />');
1235: return;
1236: }
1237: my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);
1238: # Check for authentication types that allow changing of the password.
1239: return if ($currentauth !~ /^(unix|internal):/);
1240: #
1241: # Generate keys
1242: my ($lkey_cpass ,$ukey_cpass ) = &des_keys();
1243: my ($lkey_npass1,$ukey_npass1) = &des_keys();
1244: my ($lkey_npass2,$ukey_npass2) = &des_keys();
1245: # Store the keys in the log files
1246: my $lonhost = $r->dir_config('lonHostID');
1247: my $logtoken=Apache::lonnet::reply('tmpput:'
1248: .$ukey_cpass . $lkey_cpass .'&'
1249: .$ukey_npass1 . $lkey_npass1.'&'
1250: .$ukey_npass2 . $lkey_npass2,
1251: $lonhost);
1252: # Hexify the keys for output as javascript variables
1253: my %hexkey;
1254: $hexkey{'ukey_cpass'} = hex($ukey_cpass);
1255: $hexkey{'lkey_cpass'} = hex($lkey_cpass);
1256: $hexkey{'ukey_npass1'} = hex($ukey_npass1);
1257: $hexkey{'lkey_npass1'} = hex($lkey_npass1);
1258: $hexkey{'ukey_npass2'} = hex($ukey_npass2);
1259: $hexkey{'lkey_npass2'} = hex($lkey_npass2);
1260: # Output javascript to deal with passwords
1261: # Output DES javascript
1262: {
1263: my $include = $r->dir_config('lonIncludes');
1264: my $jsh=Apache::File->new($include."/londes.js");
1265: $r->print(<$jsh>);
1266: }
1267: $r->print(&jscript_send($caller));
1268: $r->print(<<ENDFORM);
1269: $errormessage
1270:
1271: <p>
1272: <!-- We separate the forms into 'server' and 'client' in order to
1273: ensure that unencrypted passwords will not be sent out by a
1274: crappy browser -->
1275: ENDFORM
1276: $r->print(&server_form($logtoken,$caller,$mailtoken));
1277: $r->print(&client_form($caller,\%hexkey,$currentpass,$defdom));
1278:
1279: #
1280: return;
1281: }
1282:
1283: sub jscript_send {
1284: my ($caller) = @_;
1285: my $output = qq|
1286: <script language="JavaScript">
1287:
1288: function send() {
1289: uextkey=this.document.client.elements.ukey_cpass.value;
1290: lextkey=this.document.client.elements.lkey_cpass.value;
1291: initkeys();
1292:
1293: this.document.pserver.elements.currentpass.value
1294: =crypted(this.document.client.elements.currentpass.value);
1295:
1296: uextkey=this.document.client.elements.ukey_npass1.value;
1297: lextkey=this.document.client.elements.lkey_npass1.value;
1298: initkeys();
1299: this.document.pserver.elements.newpass_1.value
1300: =crypted(this.document.client.elements.newpass_1.value);
1301:
1302: uextkey=this.document.client.elements.ukey_npass2.value;
1303: lextkey=this.document.client.elements.lkey_npass2.value;
1304: initkeys();
1305: this.document.pserver.elements.newpass_2.value
1306: =crypted(this.document.client.elements.newpass_2.value);
1307: |;
1308: if ($caller eq 'reset_by_email') {
1309: $output .= qq|
1310: this.document.pserver.elements.uname.value =
1311: this.document.client.elements.uname.value;
1312: this.document.pserver.elements.udom.value =
1313: this.document.client.elements.udom.options[this.document.client.elements.udom.selectedIndex].value;
1314: this.document.pserver.elements.email.value =
1315: this.document.client.elements.email.value;
1316: |;
1317: }
1318: $ output .= qq|
1319: this.document.pserver.submit();
1320: }
1321: </script>
1322: |;
1323: }
1324:
1325: sub client_form {
1326: my ($caller,$hexkey,$currentpass,$defdom) = @_;
1327: my %lt=&Apache::lonlocal::texthash(
1328: 'email' => 'E-mail Address',
1329: 'username' => 'Username',
1330: 'domain' => 'Domain',
1331: 'currentpass' => 'Current Password',
1332: 'newpass' => 'New Password',
1333: 'confirmpass' => 'Confirm Password',
1334: 'changepass' => 'Save');
1335: my $output = '<form name="client">'
1336: .&Apache::lonhtmlcommon::start_pick_box();
1337: if ($caller eq 'reset_by_email') {
1338: $output .= &Apache::lonhtmlcommon::row_title(
1339: '<label for="email">'.$lt{'email'}.'</label>')
1340: .'<input type="text" name="email" size="30" />'
1341: .&Apache::lonhtmlcommon::row_closure()
1342: .&Apache::lonhtmlcommon::row_title(
1343: '<label for="uname">'.$lt{'username'}.'</label>')
1344: .'<input type="text" name="uname" size="15" />'
1345: .'<input type="hidden" name="currentpass" value="'.$currentpass.'" />'
1346: .&Apache::lonhtmlcommon::row_closure()
1347: .&Apache::lonhtmlcommon::row_title(
1348: '<label for="udom">'.$lt{'domain'}.'</label>')
1349: .&Apache::loncommon::select_dom_form($defdom,'udom')
1350: .&Apache::lonhtmlcommon::row_closure();
1351: } else {
1352: $output .= &Apache::lonhtmlcommon::row_title(
1353: '<label for="currentpass">'.$lt{'currentpass'}.'</label>')
1354: .'<input type="password" name="currentpass" size="10"/>'
1355: .&Apache::lonhtmlcommon::row_closure();
1356: }
1357: $output .= &Apache::lonhtmlcommon::row_title(
1358: '<label for="newpass_1">'.$lt{'newpass'}.'</label>')
1359: .'<input type="password" name="newpass_1" size="10" />'
1360: .&Apache::lonhtmlcommon::row_closure()
1361: .&Apache::lonhtmlcommon::row_title(
1362: '<label for="newpass_2">'.$lt{'confirmpass'}.'</label>')
1363: .'<input type="password" name="newpass_2" size="10" />'
1364: .&Apache::lonhtmlcommon::row_closure(1)
1365: .&Apache::lonhtmlcommon::end_pick_box();
1366: $output .= '<p><input type="button" value="'.$lt{'changepass'}.'" onClick="send();" /></p>'
1367: .qq|
1368: <input type="hidden" name="ukey_cpass" value="$hexkey->{'ukey_cpass'}" />
1369: <input type="hidden" name="lkey_cpass" value="$hexkey->{'lkey_cpass'}" />
1370: <input type="hidden" name="ukey_npass1" value="$hexkey->{'ukey_npass1'}" />
1371: <input type="hidden" name="lkey_npass1" value="$hexkey->{'lkey_npass1'}" />
1372: <input type="hidden" name="ukey_npass2" value="$hexkey->{'ukey_npass2'}" />
1373: <input type="hidden" name="lkey_npass2" value="$hexkey->{'lkey_npass2'}" />
1374: </form>
1375: </p>
1376: |;
1377: return $output;
1378: }
1379:
1380: sub server_form {
1381: my ($logtoken,$caller,$mailtoken) = @_;
1382: my $action = '/adm/preferences';
1383: if ($caller eq 'reset_by_email') {
1384: $action = '/adm/resetpw';
1385: }
1386: my $output = qq|
1387: <form name="pserver" action="$action" method="post">
1388: <input type="hidden" name="logtoken" value="$logtoken" />
1389: <input type="hidden" name="currentpass" value="" />
1390: <input type="hidden" name="newpass_1" value="" />
1391: <input type="hidden" name="newpass_2" value="" />
1392: |;
1393: if ($caller eq 'reset_by_email') {
1394: $output .= qq|
1395: <input type="hidden" name="token" value="$mailtoken" />
1396: <input type="hidden" name="uname" value="" />
1397: <input type="hidden" name="udom" value="" />
1398: <input type="hidden" name="email" value="" />
1399:
1400: |;
1401: }
1402: $output .= qq|
1403: <input type="hidden" name="action" value="verify_and_change_pass" />
1404: </form>
1405: |;
1406: return $output;
1407: }
1408:
1409: sub verify_and_change_password {
1410: my ($r,$caller,$mailtoken) = @_;
1411: my ($user,$domain,$homeserver);
1412: if ($caller eq 'reset_by_email') {
1413: $user = $env{'form.uname'};
1414: $domain = $env{'form.udom'};
1415: if ($user ne '' && $domain ne '') {
1416: $homeserver = &Apache::lonnet::homeserver($user,$domain);
1417: if ($homeserver eq 'no_host') {
1418: &passwordchanger($r,"<p>\n<span class='LC_error'>".
1419: &mt("Invalid username and/or domain")."</span>\n</p>",
1420: $caller,$mailtoken);
1421: return 1;
1422: }
1423: } else {
1424: &passwordchanger($r,"<p>\n<span class='LC_error'>".
1425: &mt("Username and domain were blank")."</span>\n</p>",
1426: $caller,$mailtoken);
1427: return 1;
1428: }
1429: } else {
1430: $user = $env{'user.name'};
1431: $domain = $env{'user.domain'};
1432: $homeserver = $env{'user.home'};
1433: }
1434: my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);
1435: # Check for authentication types that allow changing of the password.
1436: if ($currentauth !~ /^(unix|internal):/) {
1437: if ($caller eq 'reset_by_email') {
1438: &passwordchanger($r,"<p>\n<span class='LC_error'>".
1439: &mt("Authentication type for this user can not be changed by this mechanism").
1440: "</span>\n</p>",
1441: $caller,$mailtoken);
1442: return 1;
1443: } else {
1444: return;
1445: }
1446: }
1447: #
1448: my $currentpass = $env{'form.currentpass'};
1449: my $newpass1 = $env{'form.newpass_1'};
1450: my $newpass2 = $env{'form.newpass_2'};
1451: my $logtoken = $env{'form.logtoken'};
1452: # Check for empty data
1453: unless (defined($currentpass) &&
1454: defined($newpass1) &&
1455: defined($newpass2) ){
1456: &passwordchanger($r,"<p>\n<span class='LC_error'>".
1457: &mt("One or more password fields were blank").
1458: "</span>\n</p>",$caller,$mailtoken);
1459: return;
1460: }
1461: # Get the keys
1462: my $lonhost = $r->dir_config('lonHostID');
1463: my $tmpinfo = Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1464: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1465: # I do not a have a better idea about how to handle this
1466: my $tryagain_text = &mt('Please log out and try again.');
1467: if ($caller eq 'reset_by_email') {
1468: $tryagain_text = &mt('Please try again later.');
1469: }
1470: my $unable=&mt("Unable to retrieve saved token for password decryption");
1471: $r->print(<<ENDERROR);
1472: <p>
1473: <span class="LC_error">$unable. $tryagain_text</span>
1474: </p>
1475: ENDERROR
1476: # Probably should log an error here
1477: return 1;
1478: }
1479: my ($ckey,$n1key,$n2key)=split(/&/,$tmpinfo);
1480: #
1481: $currentpass = &des_decrypt($ckey ,$currentpass);
1482: $newpass1 = &des_decrypt($n1key,$newpass1);
1483: $newpass2 = &des_decrypt($n2key,$newpass2);
1484: #
1485: if ($caller eq 'reset_by_email') {
1486: my %data = &Apache::lonnet::tmpget($mailtoken);
1487: if (keys(%data) == 0) {
1488: &passwordchanger($r,
1489: '<span class="LC_error">'.
1490: &mt('Could not verify current authentication.').' '.
1491: &mt('Please try again.').'</span>',$caller,$mailtoken);
1492: return 1;
1493: }
1494: if ($currentpass ne $data{'temppasswd'}) {
1495: &passwordchanger($r,
1496: '<span class="LC_error">'.
1497: &mt('Could not verify current authentication.').' '.
1498: &mt('Please try again.').'</span>',$caller,$mailtoken);
1499: return 1;
1500: }
1501: }
1502: if ($newpass1 ne $newpass2) {
1503: &passwordchanger($r,
1504: '<span class="LC_error">'.
1505: &mt('The new passwords you entered do not match.').' '.
1506: &mt('Please try again.').'</span>',$caller,$mailtoken);
1507: return 1;
1508: }
1509: if (length($newpass1) < 7) {
1510: &passwordchanger($r,
1511: '<span class="LC_error">'.
1512: &mt('Passwords must be a minimum of 7 characters long.').' '.
1513: &mt('Please try again.').'</span>',$caller,$mailtoken);
1514: return 1;
1515: }
1516: #
1517: # Check for bad characters
1518: my $badpassword = 0;
1519: foreach (split(//,$newpass1)) {
1520: $badpassword = 1 if ((ord($_)<32)||(ord($_)>126));
1521: }
1522: if ($badpassword) {
1523: # I can't figure out how to enter bad characters on my browser.
1524: my $errormessage ='<span class="LC_error">'.
1525: &mt('The password you entered contained illegal characters.').'<br />'.
1526: &mt('Valid characters are').(<<"ENDERROR");
1527: : space and <br />
1528: <pre>
1529: !"\#$%&\'()*+,-./0123456789:;<=>?\@
1530: ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_\`abcdefghijklmnopqrstuvwxyz{|}~
1531: </pre></span>
1532: ENDERROR
1533: &passwordchanger($r,$errormessage,$caller,$mailtoken);
1534: return 1;
1535: }
1536: #
1537: # Change the password (finally)
1538: my $result = &Apache::lonnet::changepass
1539: ($user,$domain,$currentpass,$newpass1,$homeserver,$caller);
1540: # Inform the user the password has (not?) been changed
1541: my $message;
1542: if ($result =~ /^ok$/) {
1543: $message = &Apache::lonhtmlcommon::confirm_success(&mt('The password for user [_1] was successfully changed.','<i>'.$user.'</i>'));
1544: $message = &Apache::loncommon::confirmwrapper($message);
1545: if ($caller eq 'reset_by_email') {
1546: $r->print($message.'<br />');
1547: } else {
1548: $r->print(&Apache::loncommon::confirmwrapper($message));
1549: }
1550: } else {
1551: # error error: run in circles, scream and shout
1552: if ($caller eq 'reset_by_email') {
1553: if (!$result) {
1554: return 1;
1555: } else {
1556: return $result;
1557: }
1558: } else {
1559: $message = &Apache::lonhtmlcommon::confirm_success(
1560: &mt("The password for user [_1] was not changed.",'<i>'.$user.'</i>').' '.&mt('Please make sure your old password was entered correctly.'),1);
1561: $r->print(&Apache::loncommon::confirmwrapper($message));
1562: }
1563: }
1564: return;
1565: }
1566:
1567: ################################################################
1568: # discussion display subroutines
1569: ################################################################
1570: sub discussionchanger {
1571: my $r = shift;
1572: my $user = $env{'user.name'};
1573: my $domain = $env{'user.domain'};
1574: my %userenv = &Apache::lonnet::get
1575: ('environment',['discdisplay','discmarkread']);
1576: my $discdisp = 'allposts';
1577: my $discmark = 'onmark';
1578:
1579: if (defined($userenv{'discdisplay'})) {
1580: unless ($userenv{'discdisplay'} eq '') {
1581: $discdisp = $userenv{'discdisplay'};
1582: }
1583: }
1584: if (defined($userenv{'discmarkread'})) {
1585: unless ($userenv{'discmarkread'} eq '') {
1586: $discmark = $userenv{'discmarkread'};
1587: }
1588: }
1589:
1590: my $newdisp = 'unread';
1591: my $newmark = 'ondisp';
1592:
1593: my $function = &Apache::loncommon::get_users_function();
1594: my $color = &Apache::loncommon::designparm($function.'.tabbg',
1595: $env{'user.domain'});
1596: my %lt = &Apache::lonlocal::texthash(
1597: 'pref' => 'Display Preference',
1598: 'curr' => 'Current setting ',
1599: 'actn' => 'Action',
1600: 'sdpf' => 'Set display preferences for discussion posts for both discussion boards and individual resources in all your courses.',
1601: 'prca' => 'Preferences can be set that determine',
1602: 'whpo' => 'Which posts are displayed when you display a discussion board or resource, and',
1603: 'unwh' => 'Under what circumstances posts are identfied as "New"',
1604: 'allposts' => 'All posts',
1605: 'unread' => 'New posts only',
1606: 'ondisp' => 'Once displayed',
1607: 'onmark' => 'Once marked as read',
1608: 'disa' => 'Posts displayed?',
1609: 'npmr' => 'New posts cease to be identified as "New"?',
1610: 'thde' => 'The preferences you set here can be overridden within each individual discussion.',
1611: 'chgt' => 'Change to ',
1612: );
1613: my $dispchange = $lt{'unread'};
1614: my $markchange = $lt{'ondisp'};
1615: my $currdisp = $lt{'allposts'};
1616: my $currmark = $lt{'onmark'};
1617:
1618: if ($discdisp eq 'unread') {
1619: $dispchange = $lt{'allposts'};
1620: $currdisp = $lt{'unread'};
1621: $newdisp = 'allposts';
1622: }
1623:
1624: if ($discmark eq 'ondisp') {
1625: $markchange = $lt{'onmark'};
1626: $currmark = $lt{'ondisp'};
1627: $newmark = 'onmark';
1628: }
1629:
1630: $r->print(<<"END");
1631: <form name="prefs" action="/adm/preferences" method="post">
1632: <input type="hidden" name="action" value="verify_and_change_discussion" />
1633: <br />
1634: $lt{'sdpf'}<br /> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li></ol>
1635: END
1636: $r->print('<p class="LC_info">'.$lt{'thde'}.'</p>');
1637:
1638: $r->print(&Apache::loncommon::start_data_table());
1639: $r->print(<<"END");
1640: <tr>
1641: <th>$lt{'pref'}</th>
1642: <th>$lt{'curr'}</th>
1643: <th>$lt{'actn'}?</th>
1644: </tr>
1645: END
1646: $r->print(&Apache::loncommon::start_data_table_row());
1647: $r->print(<<"END");
1648: <td>$lt{'disa'}</td>
1649: <td>$lt{$discdisp}</td>
1650: <td><label><input type="checkbox" name="discdisp" /><input type="hidden" name="newdisp" value="$newdisp" /> $lt{'chgt'} "$dispchange"</label></td>
1651: END
1652: $r->print(&Apache::loncommon::end_data_table_row().
1653: &Apache::loncommon::start_data_table_row());
1654: $r->print(<<"END");
1655: <td>$lt{'npmr'}</td>
1656: <td>$lt{$discmark}</td>
1657: <td><label><input type="checkbox" name="discmark" /><input type="hidden" name="newmark" value="$newmark" /> $lt{'chgt'} "$markchange"</label></td>
1658: </tr>
1659: END
1660: $r->print(&Apache::loncommon::end_data_table_row().
1661: &Apache::loncommon::end_data_table());
1662: $r->print('<br />'.
1663: '<input type="submit" name="sub" value="'.&mt('Save').'" />'.
1664: '</form>');
1665: }
1666:
1667: sub verify_and_change_discussion {
1668: my $r = shift;
1669: my $user = $env{'user.name'};
1670: my $domain = $env{'user.domain'};
1671: my $message='';
1672: if (defined($env{'form.discdisp'}) ) {
1673: my $newdisp = $env{'form.newdisp'};
1674: if ($newdisp eq 'unread') {
1675: $message .= &Apache::lonhtmlcommon::confirm_success(&mt('In discussions: only new posts will be displayed.')).'<br />';
1676: &Apache::lonnet::put('environment',{'discdisplay' => $newdisp});
1677: &Apache::lonnet::appenv({'environment.discdisplay' => $newdisp});
1678: } else {
1679: $message .= &Apache::lonhtmlcommon::confirm_success(&mt('In discussions: all posts will be displayed.')).'<br />';
1680: &Apache::lonnet::del('environment',['discdisplay']);
1681: &Apache::lonnet::delenv('environment.discdisplay');
1682: }
1683: }
1684: if (defined($env{'form.discmark'}) ) {
1685: my $newmark = $env{'form.newmark'};
1686: if ($newmark eq 'ondisp') {
1687: $message.=&Apache::lonhtmlcommon::confirm_success(&mt('In discussions: new posts will be cease to be identified as "NEW" after display.')).'<br />';
1688: &Apache::lonnet::put('environment',{'discmarkread' => $newmark});
1689: &Apache::lonnet::appenv({'environment.discmarkread' => $newmark});
1690: } else {
1691: $message.=&Apache::lonhtmlcommon::confirm_success(&mt('In discussions: posts will be identified as "NEW" until marked as read by the reader.')).'<br />';
1692: &Apache::lonnet::del('environment',['discmarkread']);
1693: &Apache::lonnet::delenv('environment.discmarkread');
1694: }
1695: }
1696: $message=&Apache::loncommon::confirmwrapper($message);
1697: $r->print(<<ENDVCSCREEN);
1698: $message
1699: ENDVCSCREEN
1700: }
1701:
1702: ################################################################
1703: # Subroutines for page display on course access (Course Coordinators)
1704: ################################################################
1705: sub coursedisplaychanger {
1706: my $r = shift;
1707: my $user = $env{'user.name'};
1708: my $domain = $env{'user.domain'};
1709: my %userenv = &Apache::lonnet::get('environment',['course_init_display']);
1710: my $currvalue = 'whatsnew';
1711: my $firstselect = '';
1712: my $whatsnewselect = 'checked="checked"';
1713: if (exists($userenv{'course_init_display'})) {
1714: if ($userenv{'course_init_display'} eq 'firstres') {
1715: $currvalue = 'firstres';
1716: $firstselect = 'checked="checked"';
1717: $whatsnewselect = '';
1718: }
1719: }
1720: my %pagenames = (
1721: firstres => 'First resource',
1722: whatsnew => "What's New Page",
1723: );
1724: my $whatsnew_off=&mt('Display the [_1]first resource[_2] in the course.','<b>','</b>');
1725: my $whatsnew_on=&mt("Display the [_1]What's New Page[_2] - a summary of items in the course which require attention.",'<b>','</b>');
1726:
1727: $r->print('<br /><b>'.
1728: &mt('Set the default page to be displayed when you select a course role').
1729: '</b> '.
1730: &mt('(Currently: [_1])',$pagenames{$currvalue}).'<br />'.
1731: &mt("The global user preference you set for your courses can be overridden in an individual course by setting a course specific setting via the [_1]What's New Page[_2] page in the course.",'<i>','</i>').
1732: '<br /><br />');
1733: $r->print(<<ENDLSCREEN);
1734: <form name="prefs" action="/adm/preferences" method="post">
1735: <input type="hidden" name="action" value="verify_and_change_coursepage" />
1736: <br />
1737: <label><input type="radio" name="newdisp" value="firstres" $firstselect /> $whatsnew_off</label><br />
1738: <label><input type="radio" name="newdisp" value="whatsnew" $whatsnewselect /> $whatsnew_on</label><input type="hidden" name="refpage" value="$env{'form.refpage'}" />
1739: ENDLSCREEN
1740: $r->print('<br /><br /><input type="submit" value="'.&mt('Save').'" />
1741: </form>');
1742: }
1743:
1744: sub verify_and_change_coursepage {
1745: my $r = shift;
1746: my $message='';
1747: my %lt = &Apache::lonlocal::texthash(
1748: 'defs' => 'Default now set',
1749: 'when' => 'when you select a course role from the roles screen',
1750: 'ywbt' => 'you will be taken to the start of the course.',
1751: 'apwb' => 'a page will be displayed that lists items in the course that may require action from you.',
1752: 'gtts' => 'Go to the start of the course',
1753: 'dasp' => "Display the What's New Page",
1754: );
1755: my $newdisp = $env{'form.newdisp'};
1756: $message = '<b>'.$lt{'defs'}.'</b>: '.$lt{'when'}.', ';
1757: if ($newdisp eq 'firstres') {
1758: $message .= $lt{'ywbt'}.'<br />';
1759: &Apache::lonnet::put('environment',{'course_init_display' => $newdisp});
1760: &Apache::lonnet::appenv({'environment.course_init_display' => $newdisp});
1761: } else {
1762: $message .= $lt{'apwb'}.'<br />';
1763: &Apache::lonnet::del('environment',['course_init_display']);
1764: &Apache::lonnet::delenv('environment.course_init_display');
1765: }
1766: my $refpage = $env{'form.refpage'};
1767: if (($env{'request.course.fn'}) && ($env{'request.course.id'})) {
1768: if ($newdisp eq 'firstres') {
1769: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1770: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1771: my ($furl,$ferr)=
1772: &Apache::lonuserstate::readmap($cdom.'/'.$cnum);
1773: $message .= '<br /><a href="'.$furl.'">'.$lt{'gtts'}.' <i>'.&mt('now').'</i></a>';
1774: } else {
1775: $message .= '<br /><a href="/adm/whatsnew?refpage='.
1776: $refpage.'">'.$lt{'dasp'}.'</a>';
1777: }
1778: }
1779: $message = &Apache::lonhtmlcommon::confirm_success($message);
1780: $message = &Apache::loncommon::confirmwrapper($message);
1781: $r->print(<<ENDVCSCREEN);
1782: $message
1783: ENDVCSCREEN
1784: }
1785:
1786: ######################################################
1787: # other handler subroutines #
1788: ######################################################
1789:
1790: ################################################################
1791: # Main handler #
1792: ################################################################
1793: sub handler {
1794: my $r = shift;
1795: my $user = $env{'user.name'};
1796: my $domain = $env{'user.domain'};
1797: &Apache::loncommon::content_type($r,'text/html');
1798: # Some pages contain DES keys and should not be cached.
1799: &Apache::loncommon::no_cache($r);
1800: $r->send_http_header;
1801: return OK if $r->header_only;
1802: #
1803: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1804: ['action','wysiwyg','returnurl','refpage']);
1805: #
1806: &Apache::lonhtmlcommon::clear_breadcrumbs();
1807: &Apache::lonhtmlcommon::add_breadcrumb
1808: ({href => '/adm/preferences',
1809: text => 'Set User Preferences'});
1810:
1811: my @Options;
1812: # Determine current authentication method
1813: my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);
1814: if ($currentauth =~ /^(unix|internal):/) {
1815: push (@Options,({ action => 'changepass',
1816: linktext => 'Change Password',
1817: href => '/adm/preferences',
1818: help => 'Change_Password',
1819: subroutine => \&passwordchanger,
1820: breadcrumb =>
1821: { href => '/adm/preferences?action=changepass',
1822: text => 'Change Password'},
1823: },
1824: { action => 'verify_and_change_pass',
1825: subroutine => \&verify_and_change_password,
1826: breadcrumb =>
1827: { href =>'/adm/preferences?action=changepass',
1828: text => 'Change Password'},
1829: printmenu => 'not_on_error',
1830: }));
1831: }
1832: push (@Options,({ action => 'changescreenname',
1833: linktext => 'Change Screen Name',
1834: href => '/adm/preferences',
1835: help => 'Prefs_Screen_Name_Nickname',
1836: subroutine => \&screennamechanger,
1837: breadcrumb =>
1838: { href => '/adm/preferences?action=changescreenname',
1839: text => 'Change Screen Name'},
1840: },
1841: { action => 'verify_and_change_screenname',
1842: subroutine => \&verify_and_change_screenname,
1843: breadcrumb =>
1844: { href => '/adm/preferences?action=changescreenname',
1845: text => 'Change Screen Name'},
1846: printmenu => 'yes',
1847: }));
1848:
1849: push (@Options,({ action => 'changemsgforward',
1850: linktext => 'Messages & Notifications',
1851: href => '/adm/preferences',
1852: help => 'Prefs_Messages',
1853: breadcrumb =>
1854: { href => '/adm/preferences?action=changemsgforward',
1855:
1856: text => 'Messages & Notifications'},
1857: subroutine => \&msgforwardchanger,
1858: },
1859: { action => 'verify_and_change_msgforward',
1860: help => 'Prefs_Messages',
1861: breadcrumb =>
1862: { href => '/adm/preferences?action=changemsgforward',
1863: text => 'Messages & Notifications'},
1864: printmenu => 'no',
1865: subroutine => \&verify_and_change_msgforward }));
1866: if (&Apache::lonnet::usertools_access($user,$domain,'aboutme')) {
1867: my $aboutmeaction = '/adm/'.$domain.'/'.$user.'/aboutme';
1868: push (@Options,{ action => 'none',
1869: linktext =>"Edit the Personal Information Page",
1870: help => 'Prefs_About_Me',
1871: href => $aboutmeaction});
1872: }
1873: push (@Options,({ action => 'changecolors',
1874: linktext => 'Change Color Scheme',
1875: href => '/adm/preferences',
1876: help => 'Change_Colors',
1877: breadcrumb =>
1878: { href => '/adm/preferences?action=changecolors',
1879: text => 'Change Colors'},
1880: subroutine => \&colorschanger,
1881: },
1882: { action => 'verify_and_change_colors',
1883: breadcrumb =>
1884: { href => '/adm/preferences?action=changecolors',
1885: text => 'Change Colors'},
1886: printmenu => 'yes',
1887: subroutine => \&verify_and_change_colors,
1888: }));
1889: push (@Options,({ action => 'changelanguages',
1890: linktext => 'Change Language Preferences',
1891: href => '/adm/preferences',
1892: help => 'Prefs_Language',
1893: breadcrumb=>
1894: { href => '/adm/preferences?action=changelanguages',
1895: text => 'Change Language'},
1896: subroutine => \&languagechanger,
1897: },
1898: { action => 'verify_and_change_languages',
1899: breadcrumb=>
1900: {href => '/adm/preferences?action=changelanguages',
1901: text => 'Change Language'},
1902: printmenu => 'yes',
1903: subroutine=>\&verify_and_change_languages, }
1904: ));
1905: push (@Options,({ action => 'changewysiwyg',
1906: linktext => 'Change WYSIWYG Editor Preferences',
1907: href => '/adm/preferences',
1908: breadcrumb =>
1909: { href => '/adm/preferences?action=changewysiwyg',
1910: text => 'Change WYSIWYG Preferences'},
1911: subroutine => \&wysiwygchanger,
1912: },
1913: { action => 'set_wysiwyg',
1914: breadcrumb =>
1915: { href => '/adm/preferences?action=changewysiwyg',
1916: text => 'Change WYSIWYG Preferences'},
1917: printmenu => 'yes',
1918: subroutine => \&verify_and_change_wysiwyg, }
1919: ));
1920: push (@Options,({ action => 'changediscussions',
1921: linktext => 'Change Discussion Display Preferences',
1922: href => '/adm/preferences',
1923: help => 'Change_Discussion_Display',
1924: breadcrumb =>
1925: { href => '/adm/preferences?action=changediscussions',
1926: text => 'Change Discussion Preferences'},
1927: subroutine => \&discussionchanger,
1928: },
1929: { action => 'verify_and_change_discussion',
1930: breadcrumb =>
1931: { href => '/adm/preferences?action=changediscussions',
1932: text => 'Change Discussion Preferences'},
1933: printmenu => 'yes',
1934: subroutine => \&verify_and_change_discussion, }
1935: ));
1936:
1937: my $role = ($env{'user.adv'} ? 'Roles' : 'Course');
1938: push (@Options,({ action => 'changerolespref',
1939: linktext => 'Change '.$role.' Page Preferences',
1940: href => '/adm/preferences',
1941: subroutine => \&rolesprefchanger,
1942: breadcrumb =>
1943: { href => '/adm/preferences?action=changerolespref',
1944: text => 'Change '.$role.' Page Pref'},
1945: },
1946: { action => 'verify_and_change_rolespref',
1947: subroutine => \&verify_and_change_rolespref,
1948: breadcrumb =>
1949: { href => '/adm/preferences?action=changerolespref',
1950: text => 'Change '.$role.' Page Preferences'},
1951: printmenu => 'yes',
1952: }));
1953:
1954: push (@Options,({ action => 'changetexenginepref',
1955: linktext => 'Math display settings',
1956: href => '/adm/preferences',
1957: subroutine => \&texenginechanger,
1958: breadcrumb =>
1959: { href => '/adm/preferences?action=changetexenginepref',
1960: text => 'Math display settings'},
1961: },
1962: { action => 'verify_and_change_texengine',
1963: subroutine => \&verify_and_change_texengine,
1964: breadcrumb =>
1965: { href => '/adm/preferences?action=changetexenginepref',
1966: text => 'Change Math Preferences'},
1967: printmenu => 'yes',
1968: }));
1969:
1970: if ($env{'environment.remote'} eq 'off') {
1971: push (@Options,({ action => 'launch',
1972: linktext => 'Launch Remote Control',
1973: href => '/adm/remote?url=/adm/preferences',
1974: }));
1975: } else {
1976: push (@Options,({ action => 'collapse',
1977: linktext => 'Collapse Remote Control',
1978: href => '/adm/remote?url=/adm/preferences',
1979: }));
1980: }
1981:
1982: push (@Options,({ action => 'changeicons',
1983: linktext => 'Change How Menus are Displayed',
1984: href => '/adm/preferences',
1985: subroutine => \&iconchanger,
1986: breadcrumb =>
1987: { href => '/adm/preferences?action=changeicons',
1988: text => 'Change Main Menu'},
1989: },
1990: { action => 'verify_and_change_icons',
1991: subroutine => \&verify_and_change_icons,
1992: breadcrumb =>
1993: { href => '/adm/preferences?action=changeicons',
1994: text => 'Change Main Menu'},
1995: printmenu => 'yes',
1996: }));
1997:
1998: push (@Options,({ action => 'changeclicker',
1999: linktext => 'Register Response Devices ("Clickers")',
2000: href => '/adm/preferences',
2001: subroutine => \&clickerchanger,
2002: breadcrumb =>
2003: { href => '/adm/preferences?action=changeclicker',
2004: text => 'Register Clicker'},
2005: },
2006: { action => 'verify_and_change_clicker',
2007: subroutine => \&verify_and_change_clicker,
2008: breadcrumb =>
2009: { href => '/adm/preferences?action=changeclicker',
2010: text => 'Register Clicker'},
2011: printmenu => 'yes',
2012: }));
2013: my %author_roles = &Apache::lonnet::get_my_roles($user,$domain,'userroles','',['au']);
2014: if (keys(%author_roles) > 0) {
2015: push (@Options,({ action => 'changedomcoord',
2016: linktext => 'Restrict Domain Coordinator Access',
2017: href => '/adm/preferences',
2018: subroutine => \&domcoordchanger,
2019: breadcrumb =>
2020: { href => '/adm/preferences?action=changedomcoord',
2021: text => 'Restrict Domain Coordinator Access'},
2022: },
2023: { action => 'verify_and_change_domcoord',
2024: subroutine => \&verify_and_change_domcoord,
2025: breadcrumb =>
2026: { href => '/adm/preferences?action=changedomcoord',
2027: text => 'Restrict Domain Coordinator Access'},
2028: printmenu => 'yes',
2029: }));
2030: }
2031:
2032: push (@Options,({ action => 'lockwarning',
2033: subroutine => \&lockwarning,
2034: breadcrumb =>
2035: { href => '/adm/preferences?action=lockwarning',
2036: text => 'Lock Warnings'},
2037: },
2038: { action => 'verify_and_change_locks',
2039: subroutine => \&verify_and_change_lockwarning,
2040: breadcrumb =>
2041: { href => '/adm/preferences?action=lockwarning',
2042: text => 'Lockwarnings'},
2043: printmenu => 'yes',
2044: }));
2045:
2046:
2047: if (&Apache::lonnet::allowed('whn',$env{'request.course.id'})
2048: || &Apache::lonnet::allowed('whn',$env{'request.course.id'}.'/'
2049: .$env{'request.course.sec'})) {
2050: push (@Options,({ action => 'changecourseinit',
2051: linktext => 'Change Course Initialization Preference',
2052: href => '/adm/preferences',
2053: subroutine => \&coursedisplaychanger,
2054: breadcrumb =>
2055: { href => '/adm/preferences?action=changecourseinit',
2056: text => 'Change Course Init. Pref.'},
2057: },
2058: { action => 'verify_and_change_coursepage',
2059: breadcrumb =>
2060: { href => '/adm/preferences?action=changecourseinit', text => 'Change Course Initialization Preference'},
2061: printmenu => 'yes',
2062: subroutine => \&verify_and_change_coursepage,
2063: }));
2064: }
2065:
2066: if (&can_toggle_debug()) {
2067: push (@Options,({ action => 'debugtoggle',
2068: printmenu => 'yes',
2069: subroutine => \&toggle_debug,
2070: }));
2071: }
2072:
2073: $r->print(&Apache::loncommon::start_page('Change Preferences'));
2074:
2075: my $call = undef;
2076: my $help = undef;
2077: my $printmenu = 'yes';
2078: foreach my $option (@Options) {
2079: if ($option->{'action'} eq $env{'form.action'}) {
2080: $call = $option->{'subroutine'};
2081: $printmenu = $option->{'printmenu'};
2082: if (exists($option->{'breadcrumb'})) {
2083: &Apache::lonhtmlcommon::add_breadcrumb
2084: ($option->{'breadcrumb'});
2085: }
2086: $help=$option->{'help'};
2087: }
2088: }
2089: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Change Preferences',$help));
2090: my $error;
2091: if (defined($call)) {
2092: $error = $call->($r);
2093: }
2094: if ( ( ($printmenu eq 'yes')
2095: || ($printmenu eq 'not_on_error' && !$error) )
2096: && (!$env{'form.returnurl'})) {
2097: my $optionlist = '<table cellpadding="5">';
2098: if (&can_toggle_debug()) {
2099: push (@Options,({ action => 'debugtoggle',
2100: linktext => 'Toggle Debug Messages',
2101: text => 'Current Debug status is: '.
2102: ($env{'user.debug'} ? 'on' : 'off'),
2103: href => '/adm/preferences',
2104: printmenu => 'yes',
2105: subroutine => \&toggle_debug,
2106: }));
2107: }
2108: foreach my $option(@Options) {
2109: my $optiontext = '';
2110: if (exists($option->{'href'})) {
2111: $option->{'href_args'}{'action'}=$option->{'action'};
2112: $optiontext .=
2113: '<a href="'.&add_get_param($option->{'href'},
2114: $option->{'href_args'}).'">'.
2115: &mt($option->{'linktext'}).'</a>';
2116: }
2117: if (exists($option->{'text'})) {
2118: $optiontext .= ' '.&mt($option->{'text'});
2119: }
2120: if ($optiontext ne '') {
2121: $optiontext = '<font size="+1">'.$optiontext.'</font>';
2122: my $helplink = ' ';
2123: if (exists($option->{'help'})) {
2124: $helplink = &Apache::loncommon::help_open_topic
2125: ($option->{'help'});
2126: }
2127: $optionlist .= '<tr>'.
2128: '<td>'.$helplink.'</td>'.
2129: '<td>'.$optiontext.'</td>'.
2130: '</tr>';
2131: }
2132: }
2133: $optionlist .= '</table>';
2134: $r->print($optionlist);
2135: } elsif ($env{'form.returnurl'}) {
2136: $r->print('<br /><a href="'.$env{'form.returnurl'}.'"><font size="+1">'.
2137: &mt('Return').'</font></a>');
2138: }
2139: $r->print(&Apache::loncommon::end_page());
2140: return OK;
2141: }
2142:
2143: sub toggle_debug {
2144: if (&can_toggle_debug()) {
2145: if ($env{'user.debug'}) {
2146: &Apache::lonnet::delenv('user.debug');
2147: } else {
2148: &Apache::lonnet::appenv({'user.debug' => 1});
2149: }
2150: }
2151: }
2152:
2153: sub can_toggle_debug {
2154: my $can_toggle = 0;
2155: my $page = 'toggledebug';
2156: if (&LONCAPA::lonauthcgi::can_view($page)) {
2157: $can_toggle = 1;
2158: } elsif (&LONCAPA::lonauthcgi::check_ipbased_access($page)) {
2159: $can_toggle = 1;
2160: }
2161: return $can_toggle;
2162: }
2163:
2164:
2165: 1;
2166: __END__
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