Annotation of loncom/html/res/adm/pages/annotator/admannotations.pm, revision 1.18
1.17 albertel 1: # The LearningOnline Network with CAPA
2: # This will take annotations and then plug them into a page.
3: #
1.18 ! www 4: # $Id: admannotations.pm,v 1.17 2001/12/19 17:17:46 albertel Exp $
1.17 albertel 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.
1.1 tyszkabe 14: #
1.17 albertel 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/
1.1 tyszkabe 27: #
28: # 08/25/00 Ben Tyszka
29: #
1.14 www 30: # 10/17,10/18,10/20 Gerd Kortemeyer
1.1 tyszkabe 31: #
32: #
33: ##################
34:
1.2 tyszkabe 35: package Apache::admannotations;
1.1 tyszkabe 36:
37: use strict;
38: use Apache::Constants qw(:common);
1.8 tyszkabe 39: use Apache::lonnet();
1.1 tyszkabe 40:
41: # --------------------------------------------------------------Put annotation
42:
43: sub write_annotation {
1.11 www 44: my $urlold=shift;
1.4 tyszkabe 45: my $annotation=shift;
1.11 www 46: if ($annotation) {
1.16 albertel 47: &Apache::lonnet::put('nohist_annotations',{$urlold => $annotation});
1.11 www 48: }
1.1 tyszkabe 49: return;
50: }
51:
52: # --------------------------------------------------------------Get annotation
53:
54: sub get_annotation {
1.8 tyszkabe 55: my $urlnew=shift;
1.15 albertel 56: my %annotation=&Apache::lonnet::get('nohist_annotations',[$urlnew]);
1.9 tyszkabe 57: return %annotation;
1.1 tyszkabe 58: }
59:
60: # ------------------------------------------------------------Construct editor
61:
62: sub construct_editor {
1.8 tyszkabe 63: my $annotation=shift;
1.13 www 64: if ($annotation=~/^error:/) { $annotation=''; }
1.8 tyszkabe 65: my $urlnew=shift;
1.5 tyszkabe 66: return(<<END_HTML)
1.2 tyszkabe 67: <html>
68: <head>
69: <title>Annotations</title>
1.12 www 70: <script>
71: var timeout;
72:
73: function changed() {
74: var urlnew=window.opener.clientwindow.location.href;
75: if (urlnew!=document.annotInfo.urlold.value) {
76: document.annotInfo.urlnew.value=urlnew;
77: document.annotInfo.submit();
78: }
79: timeout=setTimeout('changed();','1000');
1.2 tyszkabe 80: }
1.1 tyszkabe 81: </script>
1.2 tyszkabe 82: </head>
1.12 www 83: <body BGCOLOR="#555555"
84: onLoad="timeout=setTimeout('changed()','1000')"
85: onUnload='clearTimeout(timeout);'>
1.5 tyszkabe 86: <center>
1.12 www 87: <FORM name="annotInfo" method="post" action="/adm/annotations">
1.8 tyszkabe 88: <TEXTAREA NAME="annotation" WRAP=ON ROWS=12 COLS=36>$annotation</TEXTAREA><br>
1.12 www 89: <INPUT TYPE="hidden" name="urlold" value="$urlnew">
1.8 tyszkabe 90: <INPUT TYPE="hidden" name="urlnew" value="">
1.12 www 91: <INPUT TYPE=button name=send value="Save and Update"
92: onClick=
93: "javascript:this.form.urlnew.value=window.opener.clientwindow.location.href;this.form.submit();">
94: <INPUT TYPE=button name="close" value="Close (no save)" onClick="javascript:window.close();">
1.5 tyszkabe 95: </FORM>
96: </center>
1.2 tyszkabe 97: </body>
98: </html>
1.1 tyszkabe 99: END_HTML
100: }
101:
1.7 tyszkabe 102: # ----------------------------------------------------Constructs error window
1.5 tyszkabe 103:
1.6 tyszkabe 104: sub construct_error {
105: my $annot_error=shift;
106: my $button_name=shift;
1.5 tyszkabe 107: return(<<END_HTML2)
108: <html><head>
109: <title>Annotations</title>
110: </head>
1.11 www 111: <body BGCOLOR="#555555">
1.5 tyszkabe 112: <center>
1.12 www 113: <FORM name="annotInfo" method="post" action="/adm/annotations">
1.6 tyszkabe 114: <table bgcolor="#FFFFFF" width="100%" height="90%" align="center">
1.5 tyszkabe 115: <td>
1.12 www 116: <font size=+1><i>
1.6 tyszkabe 117: $annot_error
1.12 www 118: </i></font>
1.5 tyszkabe 119: </td>
120: </table>
1.12 www 121: <INPUT TYPE="hidden" name="urlold" value="">
1.8 tyszkabe 122: <INPUT TYPE="hidden" name="urlnew" value="">
1.12 www 123: <INPUT TYPE=button name=send value="$button_name"
124: onClick=
125: "javascript:this.form.urlnew.value=window.opener.clientwindow.location.href;this.form.submit();">
126: <INPUT TYPE=button name="close" value="Close" onClick="javascript:window.close();">
1.5 tyszkabe 127: </FORM>
128: </center>
129: </body>
130: </html>
131: END_HTML2
132: }
133:
1.7 tyszkabe 134: # ---------------------------------------------------------------Main Handler
1.1 tyszkabe 135:
136: sub handler {
1.5 tyszkabe 137: my $r=shift;
1.11 www 138:
139: $r->content_type('text/html');
140: $r->send_http_header;
141: return OK if $r->header_only;
142:
143:
1.8 tyszkabe 144: my $page;
1.9 tyszkabe 145: my %annot_hash;
1.12 www 146:
147: my $urlold=$ENV{'form.urlold'};
148: $urlold=~s/^http\:\/\///;
149: $urlold=~s/^[^\/]+//;
1.18 ! www 150: $urlold=~s/\?.*$//;
1.12 www 151: my $urlnew=$ENV{'form.urlnew'};
152: $urlnew=~s/^http\:\/\///;
153: $urlnew=~s/^[^\/]+//;
1.18 ! www 154: $urlnew=~s/\?.*$//;
1.12 www 155: my $annotation=$ENV{'form.annotation'};
156:
157: if ($urlold) {
1.8 tyszkabe 158: write_annotation($urlold,$annotation);
1.5 tyszkabe 159: }
1.8 tyszkabe 160: if (exists($ENV{'form.urlnew'})) {
1.12 www 161: unless ($urlnew) {
162: $page=construct_error("Cannot annotate current window. Please point your browser to a LON-CAPA page and then 'continue'.","continue");
1.7 tyszkabe 163: } else {
1.8 tyszkabe 164: if ($urlold eq $urlnew) {
1.9 tyszkabe 165: $annot_hash{$urlnew}=$annotation;
1.8 tyszkabe 166: } else {
1.9 tyszkabe 167: %annot_hash=get_annotation($urlnew);
1.8 tyszkabe 168: }
1.12 www 169: $page=construct_editor($annot_hash{$urlnew},$ENV{'form.urlnew'});
1.7 tyszkabe 170: }
1.5 tyszkabe 171: }
1.8 tyszkabe 172: $r->print($page);
1.5 tyszkabe 173: return OK;
1.1 tyszkabe 174: }
175:
176: 1;
177: __END__
1.8 tyszkabe 178:
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