1: # The LearningOnline Network
2: # Simple Page Editor
3: #
4: # $Id: lonsimplepage.pm,v 1.18 2004/05/11 18:43:21 sakharuk 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: $r->content_type('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: $r->print(<<ENDDOCUMENT);
50: <html>
51: <head>
52: <title>The LearningOnline Network with CAPA</title>
53: ENDDOCUMENT
54: } else {
55: $r->print(&Apache::lonprintout::print_latex_header($ENV{'form.latex_type'}));
56: }
57: my (undef,undef,undef,undef,$marker)=split(/\//,$r->uri);
58: # Is this even in a course?
59: unless ($ENV{'request.course.id'}) {
60: if ($target ne 'tex') {
61: $r->print('</head><body>Not in a course</body></html>');
62: return OK;
63: } else {
64: $r->print('\textbf{Not in a course}\end{document}');
65: }
66: }
67:
68: $marker=~s/\D//g;
69:
70: unless ($marker) {
71: $r->print('<body>Invalid call</body>');
72: return OK;
73: }
74:
75: my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
76: my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
77:
78: # --------------------------------------------------------- The syllabus fields
79: my %syllabusfields=&Apache::lonlocal::texthash(
80: 'aaa_title' => 'Page Title',
81: 'bbb_content' => 'Content',
82: 'ccc_webreferences' => 'Web References');
83:
84:
85: # ------------------------------------------------------------ Get query string
86: &Apache::loncommon::get_unprocessed_cgi
87: ($ENV{'QUERY_STRING'},['forcestudent','forceedit','register']);
88: # ----------------------------------------------------- Force menu registration
89: my $addentries='';
90: if ($ENV{'form.register'}) {
91: $addentries=' onLoad="'.&Apache::lonmenu::loadevents().
92: '" onUnload="'.&Apache::lonmenu::unloadevents().'"';
93: $r->print(&Apache::lonmenu::registerurl(1));
94: }
95: # --------------------------------------------------------------- Force Student
96: my $forcestudent='';
97: if ($ENV{'form.forcestudent'} || $target eq 'tex' ) { $forcestudent='student'; };
98: my $forceedit='';
99: if ($ENV{'form.forceedit'}) { $forceedit='edit'; }
100:
101:
102: my %syllabus=&Apache::lonnet::dump('smppage_'.$marker,$dom,$crs);
103:
104: # --------------------------------------- There is such a user, get environment
105:
106: if ($target ne 'tex') {
107: $r->print('</head>'.&Apache::loncommon::bodytag
108: ("Course Page",$forcestudent,$addentries,'',$dom,$ENV{'form.register'}));
109: }
110:
111: my $allowed=&Apache::lonnet::allowed('mdc',$ENV{'request.course.id'});
112: my $privileged=$allowed;
113: if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {
114: $forcestudent='student';
115: }
116:
117: if ($forcestudent or $target eq 'tex') { $allowed=0; }
118:
119: if ($allowed) {
120: $r->print('<p>'.
121: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'<br /><a href="'.$r->uri.'?forcestudent=1"><font size="+1">'.&mt('Show Student View').'</font></a>'.
122: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
123: } elsif ($privileged and $target ne 'tex') {
124: $r->print('<a href="'.$r->uri.'?forceedit=edit"><font size="+1">'.&mt('Edit').'</font></a>');
125: }
126: if (($ENV{'form.uploaddoc.filename'} and $target ne 'tex') &&
127: ($ENV{'form.storeupl'}) && ($allowed)) {
128: if ($ENV{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
129: if ($syllabus{'uploaded.photourl'}) {
130: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
131: }
132: $syllabus{'uploaded.photourl'}=
133: &Apache::lonnet::userfileupload('uploaddoc',1,'simplepage');
134: }
135: $syllabus{'uploaded.lastmodified'}=time;
136: &Apache::lonnet::put('smppage_'.$marker,\%syllabus,$dom,$crs);
137: }
138: if (($allowed) && ($ENV{'form.storesyl'})) {
139: foreach (keys %syllabusfields) {
140: my $field=$ENV{'form.'.$_};
141: $field=~s/\s+$//s;
142: $field=&Apache::lonfeedback::clear_out_html($field,1);
143: $syllabus{$_}=$field;
144: }
145: $syllabus{'uploaded.lastmodified'}=time;
146: &Apache::lonnet::put('smppage_'.$marker,\%syllabus,$dom,$crs);
147: }
148:
149: # ---------------------------------------------------------------- Get syllabus
150: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
151: if ($syllabus{'uploaded.photourl'}) {
152: if ($target ne 'tex') {
153: &Apache::lonnet::allowuploaded('/adm/smppg',
154: $syllabus{'uploaded.photourl'});
155: $r->print('<img src="'.$syllabus{'uploaded.photourl'}.
156: '" align="right" />');
157: } else {
158: &Apache::lonnet::allowuploaded('/adm/smppg',
159: $syllabus{'uploaded.photourl'});
160: $r->print(&Apache::lonxml::xmlparse($r,'tex','<img src="'.$syllabus{'uploaded.photourl'}.
161: '" align="right" />'));
162: }
163: }
164: if ($allowed) {
165: $r->print(
166: '<form method="post" enctype="multipart/form-data">'.
167: '<input type="hidden" name="forceedit" value="edit" />'.
168: '<h3>Upload a Photo</h3>'.
169: '<input type="file" name="uploaddoc" size="50">'.
170: '<input type="submit" name="storeupl" value="Upload">'.
171: '</form><form method="post">');
172: }
173: foreach (sort keys %syllabusfields) {
174: if (($syllabus{$_}) || ($allowed)) {
175: my $message=$syllabus{$_};
176: $message=~s/\n/\<br \/\>/g;
177: $message
178: =~s/(https*\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
179: $message=&Apache::lontexconvert::msgtexconverted($message);
180: unless ($_ eq 'aaa_title') {
181: if (($_ ne 'bbb_content') || ($allowed)) {
182: if ($target ne 'tex') {
183: $r->print('<h3>'.$syllabusfields{$_}.'</h3>');
184: } else {
185: my $safeinit;
186: $r->print(&Apache::lonxml::xmlparse($r,'tex','<h3>'.$syllabusfields{$_}.'</h3>'));
187: }
188: }
189: if ($target ne 'tex') {
190: $r->print('<blockquote>'.
191: $message.'</blockquote>');
192: } else {
193: my $safeinit;
194: $r->print(&Apache::lonxml::xmlparse($r,'tex',$message));
195: }
196: if ($allowed) {
197: if ($target ne 'tex') {
198: $r->print('<br /><textarea cols="80" rows="20" name="'.$_.'">'.
199: $syllabus{$_}.
200: '</textarea><input type="submit" name="storesyl" value="Store" />');
201: } else {
202: my $safeinit;
203: $r->print(&Apache::lonxml::xmlparse($r,'tex',$syllabus{$_},$safeinit));
204: }
205: }
206: } else {
207: if ($target ne 'tex') {
208: $r->print('<h1>'.$message.'</h1>');
209: } else {
210: my $safeinit;
211: $r->print(&Apache::lonxml::xmlparse($r,'tex','<h1>'.$message.'</h1>'));
212: }
213: if ($allowed) {
214: if ($ENV{'form.grade_target'} ne 'tex') {
215: $r->print(
216: '<br />Title<br /><textarea cols="80" rows="2" name="'.$_.'">'.
217: $syllabus{$_}.
218: '</textarea><input type="submit" name="storesyl" value="Store" />');
219: } else {
220: my $safeinit;
221: $r->print(&Apache::lonxml::xmlparse($r,'tex',$syllabus{$_},$safeinit));
222: }
223: }
224: }
225: }
226: }
227: if ($allowed && ($ENV{'form.grade_target'} ne 'tex')) {
228: $r->print('</form>');
229: }
230: if ($ENV{'form.grade_target'} ne 'tex') {$r->print('</p>');}
231: } else {
232: $r->print('<p>No page information provided.</p>');
233: }
234: if ($ENV{'form.grade_target'} ne 'tex') {
235: $r->print('</body></html>');
236: } else {
237: $r->print('\end{document}');
238: }
239: return OK;
240: }
241:
242: 1;
243: __END__
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