Annotation of loncom/html/res/adm/pages/annotator/admannotations.pm, revision 1.32
1.17 albertel 1: # The LearningOnline Network with CAPA
2: # This will take annotations and then plug them into a page.
3: #
1.32 ! raeburn 4: # $Id: admannotations.pm,v 1.31 2008/12/11 13:33:48 raeburn 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: ##################
29:
1.29 jms 30:
1.2 tyszkabe 31: package Apache::admannotations;
1.1 tyszkabe 32:
33: use strict;
34: use Apache::Constants qw(:common);
1.20 albertel 35: use Apache::loncommon();
1.19 albertel 36: use Apache::lonnet;
1.23 albertel 37: use Apache::lonlocal;
1.1 tyszkabe 38:
39: # --------------------------------------------------------------Put annotation
40:
41: sub write_annotation {
1.27 albertel 42: my ($symb, $enc, $annotation) = @_;
43:
1.31 raeburn 44: $annotation=~s/^\s*$//;
1.27 albertel 45: my $key = $symb;
46: if (!$enc) {
47: $key =
48: &Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
1.11 www 49: }
1.27 albertel 50:
51: &Apache::lonnet::put('nohist_annotations',{$key => $annotation});
1.1 tyszkabe 52: return;
53: }
54:
55:
56: # ------------------------------------------------------------Construct editor
1.27 albertel 57: sub js_get_symb {
1.26 albertel 58: return <<ENDJS;
1.27 albertel 59: function get_symb() {
60: var symb;
1.26 albertel 61: if (typeof(window.opener.clientwindow) != 'undefined') {
1.27 albertel 62: symb=window.opener.clientwindow.location.href;
1.26 albertel 63: } else {
1.27 albertel 64: symb=window.opener.location.href;
1.26 albertel 65: }
1.27 albertel 66: symb=window.opener.currentSymb;
67: return symb;
1.26 albertel 68: }
69: ENDJS
70: }
1.1 tyszkabe 71:
72: sub construct_editor {
1.27 albertel 73: my ($annotation,$symbnew) = @_;
1.13 www 74: if ($annotation=~/^error:/) { $annotation=''; }
1.21 albertel 75:
1.27 albertel 76: my $get_symb = &js_get_symb();
1.26 albertel 77:
1.24 albertel 78: my $js = <<ENDJS;
1.20 albertel 79: <script type="text/javascript">
1.12 www 80: var timeout;
81:
1.27 albertel 82: $get_symb
1.26 albertel 83:
1.12 www 84: function changed() {
1.27 albertel 85: var symbnew=get_symb();
86: if (symbnew!=document.annotInfo.symbold.value) {
87: document.annotInfo.symbnew.value=symbnew;
1.12 www 88: document.annotInfo.submit();
89: }
90: timeout=setTimeout('changed();','1000');
1.2 tyszkabe 91: }
1.1 tyszkabe 92: </script>
1.20 albertel 93: ENDJS
94:
95: my %load_items = ('onload' => "timeout=setTimeout('changed()','1000')",
96: 'onunload' => 'clearTimeout(timeout);');
97: my $start_page =
98: &Apache::loncommon::start_page('Annotations',$js,
99: {'only_body' => 1,
100: 'add_entries' => \%load_items,});
101:
102: my $end_page =
103: &Apache::loncommon::end_page();
1.23 albertel 104:
105: my %lt = ( 'close no save' => "Close (no save)",
106: 'save' => "Save and Update",);
107: %lt = &Apache::lonlocal::texthash(%lt);
108:
1.20 albertel 109: return(<<END_HTML)
110: $start_page
1.5 tyszkabe 111: <center>
1.22 albertel 112: <form name="annotInfo" method="post" action="/adm/annotations">
113: <textarea name="annotation" wrap="on" rows="12" cols="36">$annotation</textarea><br />
1.27 albertel 114: <input type="hidden" name="symbold" value="$symbnew" />
115: <input type="hidden" name="symbnew" value="" />
1.23 albertel 116: <input type="button" name="send" value="$lt{'save'}"
1.27 albertel 117: onclick="javascript:this.form.symbnew.value=get_symb();this.form.submit();" />
1.23 albertel 118: <input type="button" name="close" value="$lt{'close no save'}"
1.22 albertel 119: onclick="javascript:window.close();" />
120: </form>
1.5 tyszkabe 121: </center>
1.20 albertel 122: $end_page
1.1 tyszkabe 123: END_HTML
124: }
125:
1.7 tyszkabe 126: # ----------------------------------------------------Constructs error window
1.5 tyszkabe 127:
1.6 tyszkabe 128: sub construct_error {
1.21 albertel 129: my ($annot_error,$button_name) = @_;
1.26 albertel 130:
1.27 albertel 131: my $get_symb = &js_get_symb();
1.26 albertel 132: my $js = <<ENDJS;
133: <script type="text/javascript">
1.27 albertel 134: $get_symb
1.26 albertel 135: </script>
136: ENDJS
137:
138: my $start_page = &Apache::loncommon::start_page('Annotations',$js,
1.21 albertel 139: {'only_body' => 1,});
140: my $end_page = &Apache::loncommon::end_page();
1.20 albertel 141:
1.23 albertel 142: my %lt = ( 'close' => "Close",
143: 'button' => $button_name,);
144: %lt = &Apache::lonlocal::texthash(%lt);
145:
1.21 albertel 146: return(<<END_HTML2)
1.20 albertel 147: $start_page
1.5 tyszkabe 148: <center>
1.22 albertel 149: <form name="annotInfo" method="post" action="/adm/annotations">
1.6 tyszkabe 150: <table bgcolor="#FFFFFF" width="100%" height="90%" align="center">
1.5 tyszkabe 151: <td>
1.22 albertel 152: <font size="+1"><i>
1.6 tyszkabe 153: $annot_error
1.12 www 154: </i></font>
1.5 tyszkabe 155: </td>
156: </table>
1.27 albertel 157: <input type="hidden" name="symbold" value="" />
158: <input type="hidden" name="symbnew" value="" />
1.23 albertel 159: <input type="button" name="send" value="$lt{'button'}"
1.27 albertel 160: onclick="javascript:this.form.symbnew.value=get_symb();this.form.submit();" />
1.23 albertel 161: <input type="button" name="close" value="$lt{'close'}"
1.22 albertel 162: onclick="javascript:window.close();" />
163: </form>
1.5 tyszkabe 164: </center>
1.20 albertel 165: $end_page
1.5 tyszkabe 166: END_HTML2
167: }
168:
1.27 albertel 169:
1.7 tyszkabe 170: # ---------------------------------------------------------------Main Handler
1.1 tyszkabe 171:
172: sub handler {
1.25 albertel 173: my ($r) = @_;
174:
175: &Apache::loncommon::content_type($r,'text/html');
1.21 albertel 176: $r->send_http_header;
177: return OK if $r->header_only;
178:
179:
180: my $page;
181:
1.32 ! raeburn 182: my ($symb_old,$symb_old_enc) = &Apache::loncommon::clean_symb($env{'form.symbold'},1);
! 183: my ($symb_new,$symb_new_enc) = &Apache::loncommon::clean_symb($env{'form.symbnew'},1);
1.27 albertel 184:
1.21 albertel 185: my $annotation=$env{'form.annotation'};
186:
1.27 albertel 187: if ($symb_old) {
188: &write_annotation($symb_old,$symb_old_enc,$annotation);
1.21 albertel 189: }
1.27 albertel 190: if (exists($env{'form.symbnew'})) {
191: unless ($symb_new) {
1.25 albertel 192: $page=&construct_error(&mt("Cannot annotate current window. Please point your browser to a LON-CAPA page and then 'continue'."),"continue");
1.21 albertel 193: } else {
1.27 albertel 194: if ($symb_old ne $symb_new) {
1.28 tempelho 195: $annotation=&Apache::loncommon::get_annotation($symb_new,$symb_new_enc);
1.21 albertel 196: }
1.27 albertel 197: # pass same symb through.
198: $page=&construct_editor($annotation,$env{'form.symbnew'});
1.21 albertel 199: }
200: }
201: $r->print($page);
202: return OK;
1.1 tyszkabe 203: }
204:
205: 1;
206: __END__
1.8 tyszkabe 207:
1.30 jms 208: =pod
209:
210: =head1 NAME
211:
212: Apache::admannotations
213:
214: =head1 SYNOPSIS
215:
216: This will take annotations and then plug them into a page.
217:
218: This is part of the LearningOnline Network with CAPA project
219: described at http://www.lon-capa.org.
220:
221: =head1 OVERVIEW
222:
223: (empty)
224:
225: =head1 SUBROUTINES
226:
227: =over write_annotation()
228:
229: Put annotation
230:
231: =item js_get_symb()
232:
233: Construct editor
234:
235: =item construct_editor()
236:
237: =item construct_error()
238:
239: =item handler()
240:
241: =back
242:
243: =cut
244:
245:
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