Annotation of loncom/html/res/adm/pages/annotator/admannotations.pm, revision 1.34
1.17 albertel 1: # The LearningOnline Network with CAPA
2: # This will take annotations and then plug them into a page.
3: #
1.34 ! schafran 4: # $Id: admannotations.pm,v 1.33 2009/02/13 20:20:20 schafran 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:
1.34 ! schafran 78: my %lt = ( 'close no save' => "Close",
! 79: 'save' => "Save",
! 80: 'cancel' => "Cancel",);
! 81: %lt = &Apache::lonlocal::texthash(%lt);
! 82:
1.24 albertel 83: my $js = <<ENDJS;
1.20 albertel 84: <script type="text/javascript">
1.12 www 85: var timeout;
86:
1.27 albertel 87: $get_symb
1.26 albertel 88:
1.12 www 89: function changed() {
1.27 albertel 90: var symbnew=get_symb();
91: if (symbnew!=document.annotInfo.symbold.value) {
92: document.annotInfo.symbnew.value=symbnew;
1.12 www 93: document.annotInfo.submit();
94: }
95: timeout=setTimeout('changed();','1000');
1.2 tyszkabe 96: }
1.34 ! schafran 97:
! 98: function renameButton(){
! 99: document.getElementById("close").value="$lt{'cancel'}";
! 100: }
! 101:
1.1 tyszkabe 102: </script>
1.20 albertel 103: ENDJS
104:
105: my %load_items = ('onload' => "timeout=setTimeout('changed()','1000')",
106: 'onunload' => 'clearTimeout(timeout);');
107: my $start_page =
108: &Apache::loncommon::start_page('Annotations',$js,
109: {'only_body' => 1,
110: 'add_entries' => \%load_items,});
111:
112: my $end_page =
113: &Apache::loncommon::end_page();
1.23 albertel 114:
115:
1.20 albertel 116: return(<<END_HTML)
117: $start_page
1.5 tyszkabe 118: <center>
1.22 albertel 119: <form name="annotInfo" method="post" action="/adm/annotations">
1.34 ! schafran 120: <textarea name="annotation" wrap="on" rows="12" cols="36" onfocus="javascript:renameButton();">$annotation</textarea><br />
1.27 albertel 121: <input type="hidden" name="symbold" value="$symbnew" />
122: <input type="hidden" name="symbnew" value="" />
1.23 albertel 123: <input type="button" name="send" value="$lt{'save'}"
1.27 albertel 124: onclick="javascript:this.form.symbnew.value=get_symb();this.form.submit();" />
1.34 ! schafran 125: <input type="button" id="close" name="close" value="$lt{'close no save'}"
1.22 albertel 126: onclick="javascript:window.close();" />
127: </form>
1.5 tyszkabe 128: </center>
1.20 albertel 129: $end_page
1.1 tyszkabe 130: END_HTML
131: }
132:
1.7 tyszkabe 133: # ----------------------------------------------------Constructs error window
1.5 tyszkabe 134:
1.6 tyszkabe 135: sub construct_error {
1.21 albertel 136: my ($annot_error,$button_name) = @_;
1.26 albertel 137:
1.27 albertel 138: my $get_symb = &js_get_symb();
1.26 albertel 139: my $js = <<ENDJS;
140: <script type="text/javascript">
1.27 albertel 141: $get_symb
1.26 albertel 142: </script>
143: ENDJS
144:
145: my $start_page = &Apache::loncommon::start_page('Annotations',$js,
1.21 albertel 146: {'only_body' => 1,});
147: my $end_page = &Apache::loncommon::end_page();
1.20 albertel 148:
1.23 albertel 149: my %lt = ( 'close' => "Close",
150: 'button' => $button_name,);
151: %lt = &Apache::lonlocal::texthash(%lt);
152:
1.21 albertel 153: return(<<END_HTML2)
1.20 albertel 154: $start_page
1.5 tyszkabe 155: <center>
1.22 albertel 156: <form name="annotInfo" method="post" action="/adm/annotations">
1.6 tyszkabe 157: <table bgcolor="#FFFFFF" width="100%" height="90%" align="center">
1.5 tyszkabe 158: <td>
1.22 albertel 159: <font size="+1"><i>
1.6 tyszkabe 160: $annot_error
1.12 www 161: </i></font>
1.5 tyszkabe 162: </td>
163: </table>
1.27 albertel 164: <input type="hidden" name="symbold" value="" />
165: <input type="hidden" name="symbnew" value="" />
1.23 albertel 166: <input type="button" name="send" value="$lt{'button'}"
1.27 albertel 167: onclick="javascript:this.form.symbnew.value=get_symb();this.form.submit();" />
1.23 albertel 168: <input type="button" name="close" value="$lt{'close'}"
1.22 albertel 169: onclick="javascript:window.close();" />
170: </form>
1.5 tyszkabe 171: </center>
1.20 albertel 172: $end_page
1.5 tyszkabe 173: END_HTML2
174: }
175:
1.27 albertel 176:
1.7 tyszkabe 177: # ---------------------------------------------------------------Main Handler
1.1 tyszkabe 178:
179: sub handler {
1.25 albertel 180: my ($r) = @_;
181:
182: &Apache::loncommon::content_type($r,'text/html');
1.21 albertel 183: $r->send_http_header;
184: return OK if $r->header_only;
185:
186:
187: my $page;
188:
1.32 raeburn 189: my ($symb_old,$symb_old_enc) = &Apache::loncommon::clean_symb($env{'form.symbold'},1);
190: my ($symb_new,$symb_new_enc) = &Apache::loncommon::clean_symb($env{'form.symbnew'},1);
1.27 albertel 191:
1.21 albertel 192: my $annotation=$env{'form.annotation'};
193:
1.27 albertel 194: if ($symb_old) {
195: &write_annotation($symb_old,$symb_old_enc,$annotation);
1.21 albertel 196: }
1.27 albertel 197: if (exists($env{'form.symbnew'})) {
198: unless ($symb_new) {
1.25 albertel 199: $page=&construct_error(&mt("Cannot annotate current window. Please point your browser to a LON-CAPA page and then 'continue'."),"continue");
1.21 albertel 200: } else {
1.27 albertel 201: if ($symb_old ne $symb_new) {
1.28 tempelho 202: $annotation=&Apache::loncommon::get_annotation($symb_new,$symb_new_enc);
1.21 albertel 203: }
1.27 albertel 204: # pass same symb through.
205: $page=&construct_editor($annotation,$env{'form.symbnew'});
1.21 albertel 206: }
207: }
208: $r->print($page);
209: return OK;
1.1 tyszkabe 210: }
211:
212: 1;
213: __END__
1.8 tyszkabe 214:
1.30 jms 215: =pod
216:
217: =head1 NAME
218:
219: Apache::admannotations
220:
221: =head1 SYNOPSIS
222:
223: This will take annotations and then plug them into a page.
224:
225: This is part of the LearningOnline Network with CAPA project
226: described at http://www.lon-capa.org.
227:
228: =head1 OVERVIEW
229:
230: (empty)
231:
232: =head1 SUBROUTINES
233:
234: =over write_annotation()
235:
236: Put annotation
237:
238: =item js_get_symb()
239:
240: Construct editor
241:
242: =item construct_editor()
243:
244: =item construct_error()
245:
246: =item handler()
247:
248: =back
249:
250: =cut
251:
252:
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