1: # The LearningOnline Network
2: # Simple Page Editor
3: #
4: # $Id: lonsimplepage.pm,v 1.24 2005/02/17 08:50:20 albertel 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:
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;
36: use Apache::lonfeedback;
37: use Apache::lonlocal;
38: use Apache::lonprintout;
39: use Apache::lonxml;
40:
41: sub handler {
42: my $r = shift;
43: &Apache::loncommon::content_type($r,'text/html');
44: $r->send_http_header;
45: return OK if $r->header_only;
46: my $target=$ENV{'form.grade_target'};
47: # ------------------------------------------------------------ Print the screen
48: if ($target ne 'tex') {
49: my $html=&Apache::lonxml::xmlbegin();
50: $r->print(<<ENDDOCUMENT);
51: $html
52: <head>
53: <title>The LearningOnline Network with CAPA</title>
54: ENDDOCUMENT
55: } else {
56: $r->print(&Apache::lonprintout::print_latex_header($ENV{'form.latex_type'}));
57: }
58: my (undef,undef,undef,undef,$marker)=split(/\//,$r->uri);
59: # Is this even in a course?
60: unless ($ENV{'request.course.id'}) {
61: if ($target ne 'tex') {
62: $r->print('</head><body>Not in a course</body></html>');
63: return OK;
64: } else {
65: $r->print('\textbf{Not in a course}\end{document}');
66: }
67: }
68:
69: $marker=~s/\D//g;
70:
71: unless ($marker) {
72: $r->print('<body>Invalid call</body>');
73: return OK;
74: }
75:
76: my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
77: my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
78:
79: # --------------------------------------------------------- The syllabus fields
80: my %syllabusfields=&Apache::lonlocal::texthash(
81: 'aaa_title' => 'Page Title',
82: 'bbb_content' => 'Content',
83: 'ccc_webreferences' => 'Web References');
84:
85:
86: # ------------------------------------------------------------ Get query string
87: &Apache::loncommon::get_unprocessed_cgi
88: ($ENV{'QUERY_STRING'},['forcestudent','forceedit','register']);
89: # ----------------------------------------------------- Force menu registration
90: my $addentries='';
91: if ($ENV{'form.register'}) {
92: $addentries=' onLoad="'.&Apache::lonmenu::loadevents().
93: '" onUnload="'.&Apache::lonmenu::unloadevents().'"';
94: $r->print(&Apache::lonmenu::registerurl(1));
95: }
96: # --------------------------------------------------------------- Force Student
97: my $forcestudent='';
98: if ($ENV{'form.forcestudent'} || $target eq 'tex' ) { $forcestudent='student'; };
99: my $forceedit='';
100: if ($ENV{'form.forceedit'}) { $forceedit='edit'; }
101:
102:
103: my %syllabus=&Apache::lonnet::dump('smppage_'.$marker,$dom,$crs);
104:
105: # --------------------------------------- There is such a user, get environment
106:
107: if ($target ne 'tex') {
108: $r->print(&Apache::lonhtmlcommon::htmlareaheaders().
109: '</head>'.&Apache::loncommon::bodytag
110: ("Course Page",$forcestudent,$addentries,'',$dom,$ENV{'form.register'}));
111: }
112:
113: my $allowed=&Apache::lonnet::allowed('mdc',$ENV{'request.course.id'});
114: my $privileged=$allowed;
115: if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {
116: $forcestudent='student';
117: }
118:
119: if ($forcestudent or $target eq 'tex') { $allowed=0; }
120:
121: if ($allowed) {
122: $r->print('<p>'.
123: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'<br /><a href="'.$r->uri.'?forcestudent=1"><font size="+1">'.&mt('Show Student View').'</font></a>'.
124: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
125: } elsif ($privileged and $target ne 'tex') {
126: $r->print('<a href="'.$r->uri.'?forceedit=edit"><font size="+1">'.&mt('Edit').'</font></a>');
127: }
128: if (($ENV{'form.uploaddoc.filename'} and $target ne 'tex') &&
129: ($ENV{'form.storeupl'}) && ($allowed)) {
130: if ($ENV{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
131: if ($syllabus{'uploaded.photourl'}) {
132: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
133: }
134: $syllabus{'uploaded.photourl'}=
135: &Apache::lonnet::userfileupload('uploaddoc',1,'simplepage');
136: }
137: $syllabus{'uploaded.lastmodified'}=time;
138: &Apache::lonnet::put('smppage_'.$marker,\%syllabus,$dom,$crs);
139: }
140: if (($allowed) && ($ENV{'form.storesyl'})) {
141: foreach (keys %syllabusfields) {
142: my $field=$ENV{'form.'.$_};
143: chomp($field);
144: $field=~s/\s+$//s;
145: $field=~s/^\s+//s;
146: $field=~s/\<br\s*\/*\>$//s;
147: $field=&Apache::lonfeedback::clear_out_html($field,1);
148: $syllabus{$_}=$field;
149: }
150: $syllabus{'uploaded.lastmodified'}=time;
151: &Apache::lonnet::put('smppage_'.$marker,\%syllabus,$dom,$crs);
152: }
153:
154: # ---------------------------------------------------------------- Get syllabus
155: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
156: if ($syllabus{'uploaded.photourl'}) {
157: &Apache::lonnet::allowuploaded('/adm/smppg',
158: $syllabus{'uploaded.photourl'});
159:
160: my $image='<img src="'.$syllabus{'uploaded.photourl'}.'"
161: align="right" />';
162: if ($target eq 'tex') {
163: $image=&Apache::lonxml::xmlparse($r,'tex',$image);
164: }
165: $r->print($image);
166: }
167: if ($allowed) {
168: $r->print(
169: '<form method="post" enctype="multipart/form-data">'.
170: '<input type="hidden" name="forceedit" value="edit" />'.
171: '<h3>Upload a Photo</h3>'.
172: '<input type="file" name="uploaddoc" size="50">'.
173: '<input type="submit" name="storeupl" value="Upload">'.
174: '</form><form method="post">');
175: }
176: foreach (sort keys %syllabusfields) {
177: if (($syllabus{$_}) || ($allowed)) {
178: my $message=$syllabus{$_};
179: $message=~s/\n/\<br \/\>/g;
180: $message
181: =~s/(https*\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
182: $message=&Apache::lontexconvert::msgtexconverted($message);
183: if ($allowed) {
184: $message=&Apache::lonspeller::markeduptext($message);
185: }
186: unless ($_ eq 'aaa_title') {
187: if (($_ ne 'bbb_content') || ($allowed)) {
188: if ($target ne 'tex') {
189: $r->print('<h3>'.$syllabusfields{$_}.'</h3>');
190: } else {
191: my $safeinit;
192: $r->print(&Apache::lonxml::xmlparse($r,'tex','<h3>'.$syllabusfields{$_}.'</h3>'));
193: }
194: }
195: if ($target ne 'tex') {
196: $r->print('<blockquote>'.
197: $message.'</blockquote>');
198: } else {
199: my $safeinit;
200: $r->print(&Apache::lonxml::xmlparse($r,'tex',$message));
201: }
202: if ($allowed) {
203: if ($target ne 'tex') {
204: $r->print('<br /><textarea cols="80" rows="24" name="'.$_.'" id="'.$_.'">'.
205: $syllabus{$_}.
206: '</textarea><input type="submit" name="storesyl" value="Store" />');
207: } else {
208: my $safeinit;
209: $r->print(&Apache::lonxml::xmlparse($r,'tex',$syllabus{$_},$safeinit));
210: }
211: }
212: } else {
213: if ($target ne 'tex') {
214: $r->print('<h1>'.$message.'</h1>');
215: } else {
216: my $safeinit;
217: $r->print(&Apache::lonxml::xmlparse($r,'tex','<h1>'.$message.'</h1>'));
218: }
219: if ($allowed) {
220: if ($ENV{'form.grade_target'} ne 'tex') {
221: $r->print(
222: '<br />Title<br /><textarea cols="80" rows="2" name="'.$_.'">'.
223: $syllabus{$_}.
224: '</textarea><input type="submit" name="storesyl" value="Store" />');
225: } else {
226: my $safeinit;
227: $r->print(&Apache::lonxml::xmlparse($r,'tex',$syllabus{$_},$safeinit));
228: }
229: }
230: }
231: }
232: }
233: if ($allowed && ($ENV{'form.grade_target'} ne 'tex')) {
234: $r->print(&Apache::lonhtmlcommon::htmlareaselectactive
235: ('bbb_content').'</form>');
236: }
237: if ($ENV{'form.grade_target'} ne 'tex') {$r->print('</p>');}
238: } else {
239: $r->print('<p>No page information provided.</p>');
240: }
241: if ($ENV{'form.grade_target'} ne 'tex') {
242: $r->print('</body></html>');
243: } else {
244: $r->print('\end{document}');
245: }
246: return OK;
247: }
248:
249: 1;
250: __END__
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