Annotation of loncom/interface/lonsimplepage.pm, revision 1.43
1.1 www 1: # The LearningOnline Network
2: # Simple Page Editor
3: #
1.43 ! raeburn 4: # $Id: lonsimplepage.pm,v 1.42 2006/06/30 18:06:47 raeburn 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;
34: use Apache::lonnet;
35: use Apache::lontexconvert;
1.6 matthew 36: use Apache::lonfeedback;
1.13 www 37: use Apache::lonlocal;
1.14 sakharuk 38: use Apache::lonprintout;
39: use Apache::lonxml;
1.40 raeburn 40: use Apache::longroup;
1.1 www 41:
42: sub handler {
43: my $r = shift;
1.24 albertel 44: &Apache::loncommon::content_type($r,'text/html');
1.1 www 45: $r->send_http_header;
46: return OK if $r->header_only;
1.25 albertel 47: my $target=$env{'form.grade_target'};
1.1 www 48: # ------------------------------------------------------------ Print the screen
1.34 albertel 49: if ($target eq 'tex') {
1.25 albertel 50: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
1.14 sakharuk 51: }
1.43 ! raeburn 52: my (undef,undef,$udom,$uname,$marker,$caller)=split(/\//,$r->uri);
1.1 www 53: # Is this even in a course?
1.25 albertel 54: unless ($env{'request.course.id'}) {
1.18 sakharuk 55: if ($target ne 'tex') {
1.37 albertel 56: &Apache::loncommon::simple_error_page($r,'','Not in a course');
1.14 sakharuk 57: } else {
58: $r->print('\textbf{Not in a course}\end{document}');
59: }
1.37 albertel 60: return OK;
1.1 www 61: }
62:
1.28 raeburn 63: my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
64: my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
65: my $grp_view_permission = &Apache::lonnet::allowed('vcg',
66: $env{'request.course.id'});
1.29 raeburn 67: my $namespace;
1.43 ! raeburn 68: my $group;
1.28 raeburn 69:
70: my %curr_group = ();
71: my %groupinfo = ();
1.43 ! raeburn 72: if ($dom && $crs && ($udom eq $dom) && ($uname eq $crs)) {
1.28 raeburn 73: $marker =~ s/\W//g;
1.43 ! raeburn 74: $group = $marker;
! 75: my %curr_groups = &Apache::longroup::coursegroups($dom,$crs,$group);
1.39 albertel 76: if (!%curr_groups) {
1.37 albertel 77: &Apache::loncommon::simple_error_page($r,'','Invalid group name');
78: return OK;
1.28 raeburn 79: }
1.34 albertel 80: %groupinfo =
1.43 ! raeburn 81: &Apache::longroup::get_group_settings($curr_groups{$group});
! 82: $namespace = 'grppage_'.$group;
! 83: } else {
1.28 raeburn 84: $marker=~s/\D//g;
1.29 raeburn 85: $namespace = 'smppage_'.$marker;
1.28 raeburn 86: }
1.1 www 87:
1.32 albertel 88: if (!$marker) {
1.37 albertel 89: &Apache::loncommon::simple_error_page($r,'','Invalid call');
90: return OK;
1.1 www 91: }
92:
93: # --------------------------------------------------------- The syllabus fields
1.13 www 94: my %syllabusfields=&Apache::lonlocal::texthash(
1.1 www 95: 'aaa_title' => 'Page Title',
96: 'bbb_content' => 'Content',
97: 'ccc_webreferences' => 'Web References');
1.43 ! raeburn 98: if ($group ne '') {
1.28 raeburn 99: $syllabusfields{'abb_links'} = &mt('Functionality');
100: }
1.1 www 101:
1.7 www 102:
103: # ------------------------------------------------------------ Get query string
104: &Apache::loncommon::get_unprocessed_cgi
1.16 www 105: ($ENV{'QUERY_STRING'},['forcestudent','forceedit','register']);
1.1 www 106: # --------------------------------------------------------------- Force Student
107: my $forcestudent='';
1.25 albertel 108: if ($env{'form.forcestudent'} || $target eq 'tex' ) { $forcestudent='student'; };
1.38 albertel 109: my $forceedit='';
110: if ($env{'form.forceedit'}) { $forceedit='edit'; }
1.1 www 111:
1.29 raeburn 112:
113: my %syllabus=&Apache::lonnet::dump($namespace,$dom,$crs);
1.1 www 114:
115: # --------------------------------------- There is such a user, get environment
116:
1.18 sakharuk 117: if ($target ne 'tex') {
1.28 raeburn 118: my $title = 'Course Page';
1.43 ! raeburn 119: if ($group ne '') {
1.28 raeburn 120: $title = 'Group Page';
121: }
1.35 albertel 122: my $start_page =
123: &Apache::loncommon::start_page($title,undef,
124: {'function' => $forcestudent,
125: 'domain' => $dom,
126: 'force_register' =>
127: $env{'form.register'},});
128: $r->print($start_page);
1.28 raeburn 129: }
130:
1.43 ! raeburn 131: if ($group ne '') {
1.28 raeburn 132: if (($grp_view_permission) ||
1.40 raeburn 133: (&Apache::longroup::check_group_access($caller))) {
1.42 raeburn 134: if ((!&Apache::lonnet::allowed('vgh',
135: $env{'request.course.id'}.'/'.$marker))
136: && (!&Apache::lonnet::allowed('mdg',
137: $env{'request.course.id'}.'/'.$marker))) {
1.31 raeburn 138: &display_group_links($r,$target,$marker,'view',%groupinfo);
1.28 raeburn 139: return OK;
140: }
141: } else {
1.35 albertel 142: my $msg =
143: &mt('You do not currently have rights to view this group.');
1.28 raeburn 144: if ($target ne 'tex') {
1.35 albertel 145: $r->print("<p>$msg</p>".
1.32 albertel 146: &Apache::loncommon::end_page());
1.28 raeburn 147: } else {
1.35 albertel 148: $r->print('\textbf{'.$msg.'}\end{document}');
1.28 raeburn 149: }
1.35 albertel 150: return OK;
1.28 raeburn 151: }
1.14 sakharuk 152: }
1.1 www 153:
1.28 raeburn 154: my $allowed;
1.43 ! raeburn 155: if ($group ne '') {
1.42 raeburn 156: $allowed = &Apache::lonnet::allowed('mdg',$env{'request.course.id'});
157: if (!$allowed) {
1.28 raeburn 158: $allowed = &Apache::lonnet::allowed('mgh',$env{'request.course.id'}.
159: '/'.$marker);
160: }
161: } else {
162: $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
163: }
1.16 www 164: my $privileged=$allowed;
165: if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {
166: $forcestudent='student';
167: }
1.1 www 168:
1.18 sakharuk 169: if ($forcestudent or $target eq 'tex') { $allowed=0; }
170:
171: if ($allowed) {
172: $r->print('<p>'.
173: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'<br /><a href="'.$r->uri.'?forcestudent=1"><font size="+1">'.&mt('Show Student View').'</font></a>'.
174: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
175: } elsif ($privileged and $target ne 'tex') {
176: $r->print('<a href="'.$r->uri.'?forceedit=edit"><font size="+1">'.&mt('Edit').'</font></a>');
177: }
1.25 albertel 178: if (($env{'form.uploaddoc.filename'} and $target ne 'tex') &&
179: ($env{'form.storeupl'}) && ($allowed)) {
180: if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
1.18 sakharuk 181: if ($syllabus{'uploaded.photourl'}) {
182: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
183: }
1.28 raeburn 184: if ($caller eq 'grppage') {
185: $syllabus{'uploaded.photourl'}=&Apache::lonnet::userfileupload(
186: 'uploaddoc',1,"grouppage/$marker");
187: } else {
188: $syllabus{'uploaded.photourl'}=
189: &Apache::lonnet::userfileupload('uploaddoc',1,'simplepage');
190: }
1.18 sakharuk 191: }
192: $syllabus{'uploaded.lastmodified'}=time;
1.30 raeburn 193: &Apache::lonnet::put($namespace,\%syllabus,$dom,$crs);
1.18 sakharuk 194: }
1.25 albertel 195: if (($allowed) && ($env{'form.storesyl'})) {
1.18 sakharuk 196: foreach (keys %syllabusfields) {
1.25 albertel 197: my $field=$env{'form.'.$_};
1.21 www 198: chomp($field);
1.18 sakharuk 199: $field=~s/\s+$//s;
1.21 www 200: $field=~s/^\s+//s;
201: $field=~s/\<br\s*\/*\>$//s;
1.18 sakharuk 202: $field=&Apache::lonfeedback::clear_out_html($field,1);
203: $syllabus{$_}=$field;
204: }
205: $syllabus{'uploaded.lastmodified'}=time;
1.30 raeburn 206: &Apache::lonnet::put($namespace,\%syllabus,$dom,$crs);
1.18 sakharuk 207: }
1.1 www 208:
209: # ---------------------------------------------------------------- Get syllabus
210: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
1.18 sakharuk 211: if ($syllabus{'uploaded.photourl'}) {
1.28 raeburn 212: &Apache::lonnet::allowuploaded('/adm/'.$caller,
1.19 sakharuk 213: $syllabus{'uploaded.photourl'});
1.20 albertel 214:
215: my $image='<img src="'.$syllabus{'uploaded.photourl'}.'"
216: align="right" />';
217: if ($target eq 'tex') {
218: $image=&Apache::lonxml::xmlparse($r,'tex',$image);
1.18 sakharuk 219: }
1.20 albertel 220: $r->print($image);
1.18 sakharuk 221: }
222: if ($allowed) {
223: $r->print(
224: '<form method="post" enctype="multipart/form-data">'.
225: '<input type="hidden" name="forceedit" value="edit" />'.
226: '<h3>Upload a Photo</h3>'.
227: '<input type="file" name="uploaddoc" size="50">'.
228: '<input type="submit" name="storeupl" value="Upload">'.
229: '</form><form method="post">');
230: }
231: foreach (sort keys %syllabusfields) {
232: if (($syllabus{$_}) || ($allowed)) {
233: my $message=$syllabus{$_};
1.26 albertel 234: &Apache::lonfeedback::newline_to_br(\$message);
1.18 sakharuk 235: $message
236: =~s/(https*\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
1.22 www 237: if ($allowed) {
238: $message=&Apache::lonspeller::markeduptext($message);
239: }
1.27 www 240: $message=&Apache::lontexconvert::msgtexconverted($message);
1.43 ! raeburn 241: if ($_ eq 'abb_links' && $group ne '') {
1.28 raeburn 242: $r->print('<br /><input type="hidden" name="'.$_.
243: '" value="'.$syllabus{$_}.'" />');
1.31 raeburn 244: &display_group_links($r,$target,$marker,'edit',%groupinfo);
1.28 raeburn 245: $r->print('<br />');
246: } elsif ($_ eq 'aaa_title') {
247: if ($target ne 'tex') {
248: $r->print('<h1>'.$message.'</h1>');
249: } else {
250: my $safeinit;
251: $r->print(&Apache::lonxml::xmlparse($r,'tex','<h1>'.$message.'</h1>'));
252: }
253: if ($allowed) {
254: if ($env{'form.grade_target'} ne 'tex') {
255: $r->print(
256: '<br />Title<br /><textarea cols="80" rows="2" name="'.$_.'">'.
257: $syllabus{$_}.
258: '</textarea><input type="submit" name="storesyl" value="Store" />');
259: } else {
260: my $safeinit;
261: $r->print(&Apache::lonxml::xmlparse($r,'tex',$syllabus{$_},$safeinit));
262: }
263: }
264: } else {
1.18 sakharuk 265: if (($_ ne 'bbb_content') || ($allowed)) {
266: if ($target ne 'tex') {
267: $r->print('<h3>'.$syllabusfields{$_}.'</h3>');
268: } else {
269: my $safeinit;
270: $r->print(&Apache::lonxml::xmlparse($r,'tex','<h3>'.$syllabusfields{$_}.'</h3>'));
271: }
272: }
273: if ($target ne 'tex') {
274: $r->print('<blockquote>'.
275: $message.'</blockquote>');
1.14 sakharuk 276: } else {
277: my $safeinit;
1.18 sakharuk 278: $r->print(&Apache::lonxml::xmlparse($r,'tex',$message));
279: }
280: if ($allowed) {
281: if ($target ne 'tex') {
1.21 www 282: $r->print('<br /><textarea cols="80" rows="24" name="'.$_.'" id="'.$_.'">'.
1.18 sakharuk 283: $syllabus{$_}.
284: '</textarea><input type="submit" name="storesyl" value="Store" />');
285: } else {
286: my $safeinit;
287: $r->print(&Apache::lonxml::xmlparse($r,'tex',$syllabus{$_},$safeinit));
288: }
1.14 sakharuk 289: }
1.18 sakharuk 290: }
291: }
292: }
1.25 albertel 293: if ($allowed && ($env{'form.grade_target'} ne 'tex')) {
1.21 www 294: $r->print(&Apache::lonhtmlcommon::htmlareaselectactive
295: ('bbb_content').'</form>');
1.18 sakharuk 296: }
1.25 albertel 297: if ($env{'form.grade_target'} ne 'tex') {$r->print('</p>');}
1.1 www 298: } else {
1.18 sakharuk 299: $r->print('<p>No page information provided.</p>');
1.1 www 300: }
1.25 albertel 301: if ($env{'form.grade_target'} ne 'tex') {
1.32 albertel 302: $r->print(&Apache::loncommon::end_page());
1.14 sakharuk 303: } else {
304: $r->print('\end{document}');
305: }
1.1 www 306: return OK;
1.28 raeburn 307: }
308:
309: sub display_group_links {
1.31 raeburn 310: my ($r,$target,$marker,$context,%groupinfo) = @_;
1.28 raeburn 311: my @available = ();
312: my %menu = ();
313: %{$menu{'email'}} = (
314: text => 'Group e-mail',
1.36 raeburn 315: href => '/adm/email?compose=group&group='.$marker,
1.28 raeburn 316: );
317: %{$menu{'discussion'}} = (
318: text => 'Discussion Boards',
319: href => '/adm/groupboards?group='.$marker,
320: );
321: %{$menu{'chat'}} = (
322: text => 'Group chat',
323: href => "javascript:group_chat('$marker')",
324: );
325: %{$menu{'files'}} = (
326: text => 'File repository',
1.36 raeburn 327: href => '/adm/coursegrp_portfolio?group='.$marker,
1.28 raeburn 328: );
329: %{$menu{'roster'}} = (
330: text => 'Membership roster',
331: href => '/adm/grouproster?group='.$marker,
332: );
333: foreach my $tool (sort(keys(%menu))) {
334: if ($groupinfo{functions}{$tool} eq 'on') {
335: push(@available,$tool);
336: }
337: }
338: if (@available > 0) {
339: my $output = '<table cellspacing="4" cellpadding="4"><tr>';
340: foreach my $tool (@available) {
341: if ($target eq 'tex') {
342: $output .= '<td>'.$menu{$tool}{text}.'</td>';
343: } else {
344: $output .= '<td><a href="'.$menu{$tool}{href}.'">'.
345: $menu{$tool}{text}.'</a></td>';
346: }
347: }
348: $output .= '</tr></table>';
349: if ($target eq 'tex') {
350: $r->print(&Apache::lonxml::xmlparse($r,'tex','Available functions<br /><br />'.$output));
351: } else {
352: $r->print('<h3>Functions</h3>'.$output);
353: }
354: } else {
1.29 raeburn 355: my $output;
356: if ($context eq 'edit') {
357: $output = 'No group functionality';
358: } else {
1.31 raeburn 359: $output = 'No group functionality (e.g., e-mail, discussion, chat or file upload) is currently available to you in this group: '.$marker;
1.29 raeburn 360: }
1.28 raeburn 361: if ($target eq 'tex') {
362: $r->print(&Apache::lonxml::xmlparse($r,'tex',$output));
363: } else {
364: $r->print($output);
365: }
366: }
367: }
368:
1.1 www 369:
370: 1;
371: __END__
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