Annotation of loncom/interface/lonsimplepage.pm, revision 1.60
1.1 www 1: # The LearningOnline Network
2: # Simple Page Editor
3: #
1.60 ! ehlerst 4: # $Id: lonsimplepage.pm,v 1.59 2008/12/03 22:00:41 schafran Exp $
1.1 www 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29: package Apache::lonsimplepage;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::loncommon;
1.60 ! ehlerst 34: use Apache::lontemplate;
1.1 www 35: use Apache::lonnet;
36: use Apache::lontexconvert;
1.6 matthew 37: use Apache::lonfeedback;
1.13 www 38: use Apache::lonlocal;
1.14 sakharuk 39: use Apache::lonprintout;
40: use Apache::lonxml;
1.40 raeburn 41: use Apache::longroup;
1.47 albertel 42: use HTML::Entities();
1.44 raeburn 43: use LONCAPA;
1.1 www 44:
1.51 albertel 45: sub get_db_name {
46: my ($url) = @_;
47: my ($udom,$uname,$marker)=(split(m{/},$url))[2,3,4];
48: my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
49: my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
50:
51: my $db_name;
52:
53: if ($dom && $crs && ($udom eq $dom) && ($uname eq $crs)) {
54: $marker =~ s/\W//g;
55: $db_name = 'grppage_'.$marker;
56: } else {
57: $marker=~s/\D//g;
58: $db_name = 'smppage_'.$marker;
59: }
60: return if (!defined($marker));
61:
62: return $db_name;
63: }
64:
1.1 www 65: sub handler {
66: my $r = shift;
1.24 albertel 67: &Apache::loncommon::content_type($r,'text/html');
1.1 www 68: $r->send_http_header;
69: return OK if $r->header_only;
1.25 albertel 70: my $target=$env{'form.grade_target'};
1.1 www 71: # ------------------------------------------------------------ Print the screen
1.34 albertel 72: if ($target eq 'tex') {
1.25 albertel 73: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
1.14 sakharuk 74: }
1.51 albertel 75:
1.1 www 76: # Is this even in a course?
1.25 albertel 77: unless ($env{'request.course.id'}) {
1.18 sakharuk 78: if ($target ne 'tex') {
1.37 albertel 79: &Apache::loncommon::simple_error_page($r,'','Not in a course');
1.14 sakharuk 80: } else {
81: $r->print('\textbf{Not in a course}\end{document}');
82: }
1.37 albertel 83: return OK;
1.1 www 84: }
85:
1.51 albertel 86: my $db_name = &get_db_name($r->uri);
87:
1.28 raeburn 88: my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
89: my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
1.51 albertel 90: my ($group,$group_desc,$group_home_view,$group_home_edit,
1.45 raeburn 91: $group_view_perm,$group_edit_perm);
1.28 raeburn 92: my %curr_group = ();
93: my %groupinfo = ();
1.51 albertel 94: if ($db_name =~ /^grppage_/) {
1.52 raeburn 95: $group = (split(m{/},$r->uri))[4];
1.51 albertel 96: $group =~ s/\W//g;
1.43 raeburn 97: my %curr_groups = &Apache::longroup::coursegroups($dom,$crs,$group);
1.39 albertel 98: if (!%curr_groups) {
1.37 albertel 99: &Apache::loncommon::simple_error_page($r,'','Invalid group name');
100: return OK;
1.28 raeburn 101: }
1.34 albertel 102: %groupinfo =
1.43 raeburn 103: &Apache::longroup::get_group_settings($curr_groups{$group});
1.45 raeburn 104: $group_desc = &unescape($groupinfo{'description'});
1.28 raeburn 105: }
1.1 www 106:
1.51 albertel 107: if (!$db_name) {
1.37 albertel 108: &Apache::loncommon::simple_error_page($r,'','Invalid call');
109: return OK;
1.1 www 110: }
111:
112: # --------------------------------------------------------- The syllabus fields
1.13 www 113: my %syllabusfields=&Apache::lonlocal::texthash(
1.1 www 114: 'aaa_title' => 'Page Title',
115: 'bbb_content' => 'Content',
116: 'ccc_webreferences' => 'Web References');
1.43 raeburn 117: if ($group ne '') {
1.45 raeburn 118: $syllabusfields{'abb_links'} = &mt('Available Group Tools');
1.28 raeburn 119: }
1.1 www 120:
1.7 www 121:
122: # ------------------------------------------------------------ Get query string
123: &Apache::loncommon::get_unprocessed_cgi
1.44 raeburn 124: ($ENV{'QUERY_STRING'},['forcestudent','forceedit',
125: 'register','ref']);
1.1 www 126: # --------------------------------------------------------------- Force Student
127: my $forcestudent='';
1.25 albertel 128: if ($env{'form.forcestudent'} || $target eq 'tex' ) { $forcestudent='student'; };
1.38 albertel 129: my $forceedit='';
130: if ($env{'form.forceedit'}) { $forceedit='edit'; }
1.1 www 131:
1.45 raeburn 132: my $refarg;
133: if ($env{'form.ref'}) {
134: $refarg = '&ref='.$env{'form.ref'};
135: }
1.29 raeburn 136:
1.51 albertel 137: my %syllabus=&Apache::lonnet::dump($db_name,$dom,$crs);
1.1 www 138:
139: # --------------------------------------- There is such a user, get environment
140:
1.18 sakharuk 141: if ($target ne 'tex') {
1.28 raeburn 142: my $title = 'Course Page';
1.43 raeburn 143: if ($group ne '') {
1.28 raeburn 144: $title = 'Group Page';
145: }
1.35 albertel 146: my $start_page =
147: &Apache::loncommon::start_page($title,undef,
148: {'function' => $forcestudent,
149: 'domain' => $dom,
150: 'force_register' =>
151: $env{'form.register'},});
152: $r->print($start_page);
1.28 raeburn 153: }
154:
1.43 raeburn 155: if ($group ne '') {
1.45 raeburn 156: my $group_view_perm =
157: &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.
158: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
159: $group_edit_perm =
160: &Apache::lonnet::allowed('mdg',$env{'request.course.id'}.
161: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
162: $group_home_view = &Apache::lonnet::allowed('vgh',
163: $env{'request.course.id'}.'/'.$group);
164: $group_home_edit = &Apache::lonnet::allowed('mgh',
165: $env{'request.course.id'}.'/'.$group);
166: if ($group_view_perm || $group_edit_perm || $group_home_view ||
167: $group_home_edit || &Apache::longroup::check_group_access($group)) {
168: if (($env{'form.ref'} eq 'grouplist') && ($target ne 'tex')) {
169: $r->print(&grouppage_breadcrumbs($dom,$crs,$group,$group_desc));
170: }
171: if ((!$group_home_edit) && (!$group_home_view) &&
1.49 raeburn 172: (!$group_view_perm) && (!$group_edit_perm)) {
1.45 raeburn 173: &display_group_links($r,$target,$group,'view',$refarg,%groupinfo);
1.49 raeburn 174: if ($env{'form.grade_target'} ne 'tex') {
175: $r->print(&Apache::loncommon::end_page());
176: } else {
177: $r->print('\end{document}');
178: }
1.28 raeburn 179: return OK;
180: }
181: } else {
1.35 albertel 182: my $msg =
183: &mt('You do not currently have rights to view this group.');
1.28 raeburn 184: if ($target ne 'tex') {
1.35 albertel 185: $r->print("<p>$msg</p>".
1.32 albertel 186: &Apache::loncommon::end_page());
1.28 raeburn 187: } else {
1.35 albertel 188: $r->print('\textbf{'.$msg.'}\end{document}');
1.28 raeburn 189: }
1.35 albertel 190: return OK;
1.28 raeburn 191: }
1.49 raeburn 192: my ($blocked,$blocktext) =
193: &Apache::loncommon::blocking_status('groups');
194: if ($blocked) {
195: $r->print($blocktext);
196: $r->print(&Apache::loncommon::end_page());
197: return OK;
198: }
1.14 sakharuk 199: }
1.1 www 200:
1.28 raeburn 201: my $allowed;
1.45 raeburn 202:
1.43 raeburn 203: if ($group ne '') {
1.45 raeburn 204: $allowed = $group_edit_perm;
1.42 raeburn 205: if (!$allowed) {
1.45 raeburn 206: $allowed = $group_home_edit;
1.28 raeburn 207: }
208: } else {
209: $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
210: }
1.16 www 211: my $privileged=$allowed;
212: if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {
213: $forcestudent='student';
214: }
1.1 www 215:
1.18 sakharuk 216: if ($forcestudent or $target eq 'tex') { $allowed=0; }
1.46 raeburn 217:
1.18 sakharuk 218: if ($allowed) {
1.60 ! ehlerst 219: $r->print('<p>'.'<br /><a href="'.$r->uri.'?forcestudent=1'.$refarg.'">'
! 220: .'<font size="+1">'.&mt('Show Student View').'</font></a>'.
! 221: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').
1.56 bisitz 222: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes'))
1.60 ! ehlerst 223: .'</p>');
! 224: # .'<br /><a href="'.$r->uri.'?forcestudent=1'.$refarg.'">'
! 225: # .'<font size="+1">'.&mt('Show Student View').'</font></a>'.
! 226: # &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
1.18 sakharuk 227: } elsif ($privileged and $target ne 'tex') {
1.45 raeburn 228: my $edittext = &mt('Edit');
229: if ($group ne '') {
230: $edittext = &mt('Edit Group Homepage');
231: }
232: $r->print('<a href="'.$r->uri.'?forceedit=edit'.$refarg.'"><font size="+1">'.$edittext.'</font></a>');
233: if ($group ne '') {
234: if ($group_edit_perm) {
235: $r->print(' <font size="+1">'.
236: '<a href="/adm/coursegroups?action=modify&refpage=grouplist'.
237: '&state=pick_task&groupname='.$group.'">'.
238: &mt('Edit Group Settings').'</a></font>');
239: }
240: }
1.18 sakharuk 241: }
1.25 albertel 242: if (($env{'form.uploaddoc.filename'} and $target ne 'tex') &&
243: ($env{'form.storeupl'}) && ($allowed)) {
244: if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
1.18 sakharuk 245: if ($syllabus{'uploaded.photourl'}) {
246: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
247: }
1.45 raeburn 248: if ($group ne '') {
1.28 raeburn 249: $syllabus{'uploaded.photourl'}=&Apache::lonnet::userfileupload(
1.45 raeburn 250: 'uploaddoc',1,"grouppage/$group");
1.28 raeburn 251: } else {
252: $syllabus{'uploaded.photourl'}=
253: &Apache::lonnet::userfileupload('uploaddoc',1,'simplepage');
254: }
1.18 sakharuk 255: }
256: $syllabus{'uploaded.lastmodified'}=time;
1.51 albertel 257: &Apache::lonnet::put($db_name,\%syllabus,$dom,$crs);
1.18 sakharuk 258: }
1.25 albertel 259: if (($allowed) && ($env{'form.storesyl'})) {
1.48 albertel 260: foreach my $syl_field (keys(%syllabusfields)) {
261: my $field=$env{'form.'.$syl_field};
1.21 www 262: chomp($field);
1.18 sakharuk 263: $field=~s/\s+$//s;
1.21 www 264: $field=~s/^\s+//s;
265: $field=~s/\<br\s*\/*\>$//s;
1.18 sakharuk 266: $field=&Apache::lonfeedback::clear_out_html($field,1);
1.48 albertel 267: $syllabus{$syl_field}=$field;
1.18 sakharuk 268: }
269: $syllabus{'uploaded.lastmodified'}=time;
1.51 albertel 270: &Apache::lonnet::put($db_name,\%syllabus,$dom,$crs);
1.18 sakharuk 271: }
1.1 www 272:
273: # ---------------------------------------------------------------- Get syllabus
1.45 raeburn 274: if ((($syllabus{'uploaded.lastmodified'}) &&
1.46 raeburn 275: (($group ne '' && ($group_home_view || $group_edit_perm ||
276: $group_view_perm)) || ($group eq ''))) || ($allowed)) {
1.60 ! ehlerst 277: my $image;
1.18 sakharuk 278: if ($syllabus{'uploaded.photourl'}) {
1.45 raeburn 279: &Apache::lonnet::allowuploaded('/adm/smppg',
1.19 sakharuk 280: $syllabus{'uploaded.photourl'});
1.20 albertel 281:
1.60 ! ehlerst 282: $image='<img src="'.$syllabus{'uploaded.photourl'}.'"
1.20 albertel 283: align="right" />';
284: if ($target eq 'tex') {
285: $image=&Apache::lonxml::xmlparse($r,'tex',$image);
1.60 ! ehlerst 286: }
! 287: }
1.18 sakharuk 288: if ($allowed) {
289: $r->print(
290: '<form method="post" enctype="multipart/form-data">'.
291: '<input type="hidden" name="forceedit" value="edit" />'.
1.56 bisitz 292: '<h3>'.&mt('Upload a Photo').'</h3>'.
1.50 albertel 293: '<input type="file" name="uploaddoc" size="50" />'.
1.56 bisitz 294: '<input type="submit" name="storeupl" value="'.&mt('Upload').'" />'.
1.53 raeburn 295: '</form><form method="post">'.
296: '<input type="hidden" name="forceedit" value="edit" />');
1.18 sakharuk 297: }
1.60 ! ehlerst 298: &Apache::lontemplate::start_columnSection($r);
! 299: if($allowed){
! 300: $r->print($image.'<div class="clear"> </div>');
! 301: #'<br style="clear: both;" />');
! 302: }
! 303: &Apache::lontemplate::start_ContentBox($r,$allowed);
1.48 albertel 304: foreach my $field (sort(keys(%syllabusfields))) {
305: if (($syllabus{$field}) || ($allowed) ||
306: ($field eq 'abb_links' && $group ne '')) {
307: my $message=$syllabus{$field};
1.26 albertel 308: &Apache::lonfeedback::newline_to_br(\$message);
1.18 sakharuk 309: $message
310: =~s/(https*\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
1.22 www 311: if ($allowed) {
312: $message=&Apache::lonspeller::markeduptext($message);
313: }
1.54 foxr 314: if ($target ne 'tex') {
315: $message=&Apache::lontexconvert::msgtexconverted($message);
316: }
1.48 albertel 317: if ($field eq 'abb_links' && $group ne '') {
318: $r->print('<br /><input type="hidden" name="'.$field.
319: '" value="'.$syllabus{$field}.'" />');
1.45 raeburn 320: &display_group_links($r,$target,$group,'edit',$refarg,
321: %groupinfo);
1.28 raeburn 322: $r->print('<br />');
1.48 albertel 323: } elsif ($field eq 'aaa_title') {
1.28 raeburn 324: if ($target ne 'tex') {
325: $r->print('<h1>'.$message.'</h1>');
326: } else {
327: my $safeinit;
328: $r->print(&Apache::lonxml::xmlparse($r,'tex','<h1>'.$message.'</h1>'));
329: }
330: if ($allowed) {
331: if ($env{'form.grade_target'} ne 'tex') {
1.60 ! ehlerst 332: $r->print('<br /><h3>'.&mt('Title').'</h3>');
! 333: &Apache::lontemplate::print_editbox_template($r,$syllabus{$field},$field);
1.28 raeburn 334: } else {
335: my $safeinit;
1.48 albertel 336: $r->print(&Apache::lonxml::xmlparse($r,'tex',$syllabus{$field},$safeinit));
1.28 raeburn 337: }
338: }
339: } else {
1.18 sakharuk 340: if ($target ne 'tex') {
1.60 ! ehlerst 341: &Apache::lontemplate::print_template($r,$syllabusfields{$field},$message,$allowed);
1.14 sakharuk 342: } else {
343: my $safeinit;
1.60 ! ehlerst 344: $r->print(&Apache::lonxml::xmlparse($r,'tex','<h3>'.$syllabusfields{$field}.'</h3>'));
1.18 sakharuk 345: $r->print(&Apache::lonxml::xmlparse($r,'tex',$message));
346: }
347: if ($allowed) {
348: if ($target ne 'tex') {
1.60 ! ehlerst 349: &Apache::lontemplate::print_editbox_template($r,$syllabus{$field},$field);
1.18 sakharuk 350: } else {
351: my $safeinit;
1.48 albertel 352: $r->print(&Apache::lonxml::xmlparse($r,'tex',$syllabus{$field},$safeinit));
1.18 sakharuk 353: }
1.14 sakharuk 354: }
1.18 sakharuk 355: }
356: }
357: }
1.60 ! ehlerst 358: &Apache::lontemplate::end_ContentBox($r);
! 359: if(!$allowed){
! 360: $r->print($image);
! 361: }
! 362: &Apache::lontemplate::end_columnSection($r);
! 363: if ($allowed) {
! 364: $r->print('<p>'.'<br /><a href="'.$r->uri.'?forcestudent=1'.$refarg.'">'
! 365: .'<font size="+1">'.&mt('Show Student View').'</font></a>'.
! 366: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
! 367: }
1.25 albertel 368: if ($allowed && ($env{'form.grade_target'} ne 'tex')) {
1.21 www 369: $r->print(&Apache::lonhtmlcommon::htmlareaselectactive
370: ('bbb_content').'</form>');
1.18 sakharuk 371: }
1.25 albertel 372: if ($env{'form.grade_target'} ne 'tex') {$r->print('</p>');}
1.1 www 373: } else {
1.45 raeburn 374: if ($group ne '') {
375: &display_group_links($r,$target,$group,'view',$refarg,%groupinfo);
376: } else {
377: $r->print(&mt('<p>No page information provided.</p>'));
378: }
1.1 www 379: }
1.25 albertel 380: if ($env{'form.grade_target'} ne 'tex') {
1.32 albertel 381: $r->print(&Apache::loncommon::end_page());
1.14 sakharuk 382: } else {
383: $r->print('\end{document}');
384: }
1.1 www 385: return OK;
1.28 raeburn 386: }
387:
388: sub display_group_links {
1.45 raeburn 389: my ($r,$target,$group,$context,$refarg,%groupinfo) = @_;
1.28 raeburn 390: my @available = ();
391: my %menu = ();
392: %{$menu{'email'}} = (
1.59 schafran 393: text => 'Group Message',
1.45 raeburn 394: href => '/adm/email?compose=group&group='.$group.
395: $refarg,
1.28 raeburn 396: );
397: %{$menu{'discussion'}} = (
398: text => 'Discussion Boards',
1.45 raeburn 399: href => '/adm/groupboards?group='.$group.$refarg,
1.28 raeburn 400: );
401: %{$menu{'chat'}} = (
1.59 schafran 402: text => 'Group Chat',
1.45 raeburn 403: href => "javascript:group_chat('$group')",
1.28 raeburn 404: );
405: %{$menu{'files'}} = (
1.59 schafran 406: text => 'File Repository',
1.45 raeburn 407: href => '/adm/coursegrp_portfolio?group='.$group.
408: $refarg,
1.28 raeburn 409: );
410: %{$menu{'roster'}} = (
1.59 schafran 411: text => 'Membership Roster',
1.45 raeburn 412: href => '/adm/grouproster?group='.$group.$refarg,
1.28 raeburn 413: );
414: foreach my $tool (sort(keys(%menu))) {
415: if ($groupinfo{functions}{$tool} eq 'on') {
416: push(@available,$tool);
417: }
418: }
419: if (@available > 0) {
420: my $output = '<table cellspacing="4" cellpadding="4"><tr>';
421: foreach my $tool (@available) {
422: if ($target eq 'tex') {
1.45 raeburn 423: $output .= '<td>'.&mt($menu{$tool}{text}).'</td>';
1.28 raeburn 424: } else {
425: $output .= '<td><a href="'.$menu{$tool}{href}.'">'.
1.57 bisitz 426: &mt($menu{$tool}{text}).'</a></td>';
1.28 raeburn 427: }
428: }
429: $output .= '</tr></table>';
430: if ($target eq 'tex') {
1.45 raeburn 431: $r->print(&Apache::lonxml::xmlparse($r,'tex',&mt('Available functions').'<br /><br />'.$output));
1.28 raeburn 432: } else {
1.45 raeburn 433: $r->print('<h3>'.&mt('Available Group Tools').'</h3>'.$output);
1.28 raeburn 434: }
435: } else {
1.29 raeburn 436: my $output;
437: if ($context eq 'edit') {
1.45 raeburn 438: $output = &mt('No group functionality.');
1.29 raeburn 439: } else {
1.57 bisitz 440: $output = &mt('No group functionality (e.g., e-mail, discussion, chat or file upload) is currently available to you in this group: [_1].','<b>'.&unescape($groupinfo{'description'}).'</b>');
1.29 raeburn 441: }
1.28 raeburn 442: if ($target eq 'tex') {
443: $r->print(&Apache::lonxml::xmlparse($r,'tex',$output));
444: } else {
445: $r->print($output);
446: }
447: }
448: }
1.44 raeburn 449:
450: sub grouppage_breadcrumbs {
1.45 raeburn 451: my ($cdom,$cnum,$group,$description) = @_;
1.44 raeburn 452: &Apache::lonhtmlcommon::clear_breadcrumbs();
453: &Apache::lonhtmlcommon::add_breadcrumb
454: ({href=>"/adm/coursegroups",
1.45 raeburn 455: text=>"Groups",
456: title=>"Display Groups"},
1.44 raeburn 457: {href=>"/adm/$cdom/$cnum/$group/smppg?ref=grouplist",
1.45 raeburn 458: text=>"Group: $description",
1.44 raeburn 459: title=>"Go to group's home page"},
460: );
1.45 raeburn 461: my $output .= &Apache::lonhtmlcommon::breadcrumbs(&mt('Group page - [_1]',
462: $description));
1.44 raeburn 463: return $output;
464: }
1.1 www 465:
466: 1;
467: __END__
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