Annotation of loncom/interface/lonsimplepage.pm, revision 1.42
1.1 www 1: # The LearningOnline Network
2: # Simple Page Editor
3: #
1.42 ! raeburn 4: # $Id: lonsimplepage.pm,v 1.41 2006/05/18 17:12:58 albertel 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: }
1.28 raeburn 52: my (undef,undef,undef,undef,$marker,$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 $namespace;
1.28 raeburn 68:
69: my %curr_group = ();
70: my %groupinfo = ();
71: if ($caller eq 'grppg') {
72: $marker =~ s/\W//g;
1.29 raeburn 73: $namespace = 'grppage_'.$marker;
1.41 albertel 74: my %curr_groups = &Apache::longroup::coursegroups($dom,$crs,$marker);
1.39 albertel 75: if (!%curr_groups) {
1.37 albertel 76: &Apache::loncommon::simple_error_page($r,'','Invalid group name');
77: return OK;
1.28 raeburn 78: }
1.34 albertel 79: %groupinfo =
1.40 raeburn 80: &Apache::longroup::get_group_settings($curr_groups{$marker});
1.28 raeburn 81: } else {
82: $marker=~s/\D//g;
1.29 raeburn 83: $namespace = 'smppage_'.$marker;
1.28 raeburn 84: }
1.1 www 85:
1.32 albertel 86: if (!$marker) {
1.37 albertel 87: &Apache::loncommon::simple_error_page($r,'','Invalid call');
88: return OK;
1.1 www 89: }
90:
91: # --------------------------------------------------------- The syllabus fields
1.13 www 92: my %syllabusfields=&Apache::lonlocal::texthash(
1.1 www 93: 'aaa_title' => 'Page Title',
94: 'bbb_content' => 'Content',
95: 'ccc_webreferences' => 'Web References');
1.28 raeburn 96: if ($caller eq 'grppg') {
97: $syllabusfields{'abb_links'} = &mt('Functionality');
98: }
1.1 www 99:
1.7 www 100:
101: # ------------------------------------------------------------ Get query string
102: &Apache::loncommon::get_unprocessed_cgi
1.16 www 103: ($ENV{'QUERY_STRING'},['forcestudent','forceedit','register']);
1.1 www 104: # --------------------------------------------------------------- Force Student
105: my $forcestudent='';
1.25 albertel 106: if ($env{'form.forcestudent'} || $target eq 'tex' ) { $forcestudent='student'; };
1.38 albertel 107: my $forceedit='';
108: if ($env{'form.forceedit'}) { $forceedit='edit'; }
1.1 www 109:
1.29 raeburn 110:
111: my %syllabus=&Apache::lonnet::dump($namespace,$dom,$crs);
1.1 www 112:
113: # --------------------------------------- There is such a user, get environment
114:
1.18 sakharuk 115: if ($target ne 'tex') {
1.28 raeburn 116: my $title = 'Course Page';
117: if ($caller eq 'grppg') {
118: $title = 'Group Page';
119: }
1.35 albertel 120: my $start_page =
121: &Apache::loncommon::start_page($title,undef,
122: {'function' => $forcestudent,
123: 'domain' => $dom,
124: 'force_register' =>
125: $env{'form.register'},});
126: $r->print($start_page);
1.28 raeburn 127: }
128:
129: if ($caller eq 'grppg') {
130: if (($grp_view_permission) ||
1.40 raeburn 131: (&Apache::longroup::check_group_access($caller))) {
1.42 ! raeburn 132: if ((!&Apache::lonnet::allowed('vgh',
! 133: $env{'request.course.id'}.'/'.$marker))
! 134: && (!&Apache::lonnet::allowed('mdg',
! 135: $env{'request.course.id'}.'/'.$marker))) {
1.31 raeburn 136: &display_group_links($r,$target,$marker,'view',%groupinfo);
1.28 raeburn 137: return OK;
138: }
139: } else {
1.35 albertel 140: my $msg =
141: &mt('You do not currently have rights to view this group.');
1.28 raeburn 142: if ($target ne 'tex') {
1.35 albertel 143: $r->print("<p>$msg</p>".
1.32 albertel 144: &Apache::loncommon::end_page());
1.28 raeburn 145: } else {
1.35 albertel 146: $r->print('\textbf{'.$msg.'}\end{document}');
1.28 raeburn 147: }
1.35 albertel 148: return OK;
1.28 raeburn 149: }
1.14 sakharuk 150: }
1.1 www 151:
1.28 raeburn 152: my $allowed;
153: if ($caller eq 'grppg') {
1.42 ! raeburn 154: $allowed = &Apache::lonnet::allowed('mdg',$env{'request.course.id'});
! 155: if (!$allowed) {
1.28 raeburn 156: $allowed = &Apache::lonnet::allowed('mgh',$env{'request.course.id'}.
157: '/'.$marker);
158: }
159: } else {
160: $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
161: }
1.16 www 162: my $privileged=$allowed;
163: if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {
164: $forcestudent='student';
165: }
1.1 www 166:
1.18 sakharuk 167: if ($forcestudent or $target eq 'tex') { $allowed=0; }
168:
169: if ($allowed) {
170: $r->print('<p>'.
171: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'<br /><a href="'.$r->uri.'?forcestudent=1"><font size="+1">'.&mt('Show Student View').'</font></a>'.
172: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
173: } elsif ($privileged and $target ne 'tex') {
174: $r->print('<a href="'.$r->uri.'?forceedit=edit"><font size="+1">'.&mt('Edit').'</font></a>');
175: }
1.25 albertel 176: if (($env{'form.uploaddoc.filename'} and $target ne 'tex') &&
177: ($env{'form.storeupl'}) && ($allowed)) {
178: if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
1.18 sakharuk 179: if ($syllabus{'uploaded.photourl'}) {
180: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
181: }
1.28 raeburn 182: if ($caller eq 'grppage') {
183: $syllabus{'uploaded.photourl'}=&Apache::lonnet::userfileupload(
184: 'uploaddoc',1,"grouppage/$marker");
185: } else {
186: $syllabus{'uploaded.photourl'}=
187: &Apache::lonnet::userfileupload('uploaddoc',1,'simplepage');
188: }
1.18 sakharuk 189: }
190: $syllabus{'uploaded.lastmodified'}=time;
1.30 raeburn 191: &Apache::lonnet::put($namespace,\%syllabus,$dom,$crs);
1.18 sakharuk 192: }
1.25 albertel 193: if (($allowed) && ($env{'form.storesyl'})) {
1.18 sakharuk 194: foreach (keys %syllabusfields) {
1.25 albertel 195: my $field=$env{'form.'.$_};
1.21 www 196: chomp($field);
1.18 sakharuk 197: $field=~s/\s+$//s;
1.21 www 198: $field=~s/^\s+//s;
199: $field=~s/\<br\s*\/*\>$//s;
1.18 sakharuk 200: $field=&Apache::lonfeedback::clear_out_html($field,1);
201: $syllabus{$_}=$field;
202: }
203: $syllabus{'uploaded.lastmodified'}=time;
1.30 raeburn 204: &Apache::lonnet::put($namespace,\%syllabus,$dom,$crs);
1.18 sakharuk 205: }
1.1 www 206:
207: # ---------------------------------------------------------------- Get syllabus
208: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
1.18 sakharuk 209: if ($syllabus{'uploaded.photourl'}) {
1.28 raeburn 210: &Apache::lonnet::allowuploaded('/adm/'.$caller,
1.19 sakharuk 211: $syllabus{'uploaded.photourl'});
1.20 albertel 212:
213: my $image='<img src="'.$syllabus{'uploaded.photourl'}.'"
214: align="right" />';
215: if ($target eq 'tex') {
216: $image=&Apache::lonxml::xmlparse($r,'tex',$image);
1.18 sakharuk 217: }
1.20 albertel 218: $r->print($image);
1.18 sakharuk 219: }
220: if ($allowed) {
221: $r->print(
222: '<form method="post" enctype="multipart/form-data">'.
223: '<input type="hidden" name="forceedit" value="edit" />'.
224: '<h3>Upload a Photo</h3>'.
225: '<input type="file" name="uploaddoc" size="50">'.
226: '<input type="submit" name="storeupl" value="Upload">'.
227: '</form><form method="post">');
228: }
229: foreach (sort keys %syllabusfields) {
230: if (($syllabus{$_}) || ($allowed)) {
231: my $message=$syllabus{$_};
1.26 albertel 232: &Apache::lonfeedback::newline_to_br(\$message);
1.18 sakharuk 233: $message
234: =~s/(https*\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
1.22 www 235: if ($allowed) {
236: $message=&Apache::lonspeller::markeduptext($message);
237: }
1.27 www 238: $message=&Apache::lontexconvert::msgtexconverted($message);
1.28 raeburn 239: if ($_ eq 'abb_links' && $caller eq 'grppg') {
240: $r->print('<br /><input type="hidden" name="'.$_.
241: '" value="'.$syllabus{$_}.'" />');
1.31 raeburn 242: &display_group_links($r,$target,$marker,'edit',%groupinfo);
1.28 raeburn 243: $r->print('<br />');
244: } elsif ($_ eq 'aaa_title') {
245: if ($target ne 'tex') {
246: $r->print('<h1>'.$message.'</h1>');
247: } else {
248: my $safeinit;
249: $r->print(&Apache::lonxml::xmlparse($r,'tex','<h1>'.$message.'</h1>'));
250: }
251: if ($allowed) {
252: if ($env{'form.grade_target'} ne 'tex') {
253: $r->print(
254: '<br />Title<br /><textarea cols="80" rows="2" name="'.$_.'">'.
255: $syllabus{$_}.
256: '</textarea><input type="submit" name="storesyl" value="Store" />');
257: } else {
258: my $safeinit;
259: $r->print(&Apache::lonxml::xmlparse($r,'tex',$syllabus{$_},$safeinit));
260: }
261: }
262: } else {
1.18 sakharuk 263: if (($_ ne 'bbb_content') || ($allowed)) {
264: if ($target ne 'tex') {
265: $r->print('<h3>'.$syllabusfields{$_}.'</h3>');
266: } else {
267: my $safeinit;
268: $r->print(&Apache::lonxml::xmlparse($r,'tex','<h3>'.$syllabusfields{$_}.'</h3>'));
269: }
270: }
271: if ($target ne 'tex') {
272: $r->print('<blockquote>'.
273: $message.'</blockquote>');
1.14 sakharuk 274: } else {
275: my $safeinit;
1.18 sakharuk 276: $r->print(&Apache::lonxml::xmlparse($r,'tex',$message));
277: }
278: if ($allowed) {
279: if ($target ne 'tex') {
1.21 www 280: $r->print('<br /><textarea cols="80" rows="24" name="'.$_.'" id="'.$_.'">'.
1.18 sakharuk 281: $syllabus{$_}.
282: '</textarea><input type="submit" name="storesyl" value="Store" />');
283: } else {
284: my $safeinit;
285: $r->print(&Apache::lonxml::xmlparse($r,'tex',$syllabus{$_},$safeinit));
286: }
1.14 sakharuk 287: }
1.18 sakharuk 288: }
289: }
290: }
1.25 albertel 291: if ($allowed && ($env{'form.grade_target'} ne 'tex')) {
1.21 www 292: $r->print(&Apache::lonhtmlcommon::htmlareaselectactive
293: ('bbb_content').'</form>');
1.18 sakharuk 294: }
1.25 albertel 295: if ($env{'form.grade_target'} ne 'tex') {$r->print('</p>');}
1.1 www 296: } else {
1.18 sakharuk 297: $r->print('<p>No page information provided.</p>');
1.1 www 298: }
1.25 albertel 299: if ($env{'form.grade_target'} ne 'tex') {
1.32 albertel 300: $r->print(&Apache::loncommon::end_page());
1.14 sakharuk 301: } else {
302: $r->print('\end{document}');
303: }
1.1 www 304: return OK;
1.28 raeburn 305: }
306:
307: sub display_group_links {
1.31 raeburn 308: my ($r,$target,$marker,$context,%groupinfo) = @_;
1.28 raeburn 309: my @available = ();
310: my %menu = ();
311: %{$menu{'email'}} = (
312: text => 'Group e-mail',
1.36 raeburn 313: href => '/adm/email?compose=group&group='.$marker,
1.28 raeburn 314: );
315: %{$menu{'discussion'}} = (
316: text => 'Discussion Boards',
317: href => '/adm/groupboards?group='.$marker,
318: );
319: %{$menu{'chat'}} = (
320: text => 'Group chat',
321: href => "javascript:group_chat('$marker')",
322: );
323: %{$menu{'files'}} = (
324: text => 'File repository',
1.36 raeburn 325: href => '/adm/coursegrp_portfolio?group='.$marker,
1.28 raeburn 326: );
327: %{$menu{'roster'}} = (
328: text => 'Membership roster',
329: href => '/adm/grouproster?group='.$marker,
330: );
331: foreach my $tool (sort(keys(%menu))) {
332: if ($groupinfo{functions}{$tool} eq 'on') {
333: push(@available,$tool);
334: }
335: }
336: if (@available > 0) {
337: my $output = '<table cellspacing="4" cellpadding="4"><tr>';
338: foreach my $tool (@available) {
339: if ($target eq 'tex') {
340: $output .= '<td>'.$menu{$tool}{text}.'</td>';
341: } else {
342: $output .= '<td><a href="'.$menu{$tool}{href}.'">'.
343: $menu{$tool}{text}.'</a></td>';
344: }
345: }
346: $output .= '</tr></table>';
347: if ($target eq 'tex') {
348: $r->print(&Apache::lonxml::xmlparse($r,'tex','Available functions<br /><br />'.$output));
349: } else {
350: $r->print('<h3>Functions</h3>'.$output);
351: }
352: } else {
1.29 raeburn 353: my $output;
354: if ($context eq 'edit') {
355: $output = 'No group functionality';
356: } else {
1.31 raeburn 357: $output = 'No group functionality (e.g., e-mail, discussion, chat or file upload) is currently available to you in this group: '.$marker;
1.29 raeburn 358: }
1.28 raeburn 359: if ($target eq 'tex') {
360: $r->print(&Apache::lonxml::xmlparse($r,'tex',$output));
361: } else {
362: $r->print($output);
363: }
364: }
365: }
366:
1.1 www 367:
368: 1;
369: __END__
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