Annotation of loncom/html/res/adm/pages/annotator/admannotations.pm, revision 1.37
1.17 albertel 1: # The LearningOnline Network with CAPA
2: # This will take annotations and then plug them into a page.
3: #
1.37 ! raeburn 4: # $Id: admannotations.pm,v 1.36 2018/12/29 22:31:16 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:
1.35 bisitz 78: my %lt = &Apache::lonlocal::texthash(
79: 'close no save' => 'Close',
80: 'save' => 'Save',
81: 'cancel' => 'Cancel',
82: );
1.34 schafran 83:
1.24 albertel 84: my $js = <<ENDJS;
1.20 albertel 85: <script type="text/javascript">
1.12 www 86: var timeout;
87:
1.27 albertel 88: $get_symb
1.26 albertel 89:
1.12 www 90: function changed() {
1.27 albertel 91: var symbnew=get_symb();
92: if (symbnew!=document.annotInfo.symbold.value) {
93: document.annotInfo.symbnew.value=symbnew;
1.12 www 94: document.annotInfo.submit();
95: }
96: timeout=setTimeout('changed();','1000');
1.2 tyszkabe 97: }
1.34 schafran 98:
99: function renameButton(){
100: document.getElementById("close").value="$lt{'cancel'}";
101: }
102:
1.1 tyszkabe 103: </script>
1.20 albertel 104: ENDJS
105:
106: my %load_items = ('onload' => "timeout=setTimeout('changed()','1000')",
107: 'onunload' => 'clearTimeout(timeout);');
108: my $start_page =
109: &Apache::loncommon::start_page('Annotations',$js,
110: {'only_body' => 1,
111: 'add_entries' => \%load_items,});
112:
113: my $end_page =
114: &Apache::loncommon::end_page();
1.23 albertel 115:
116:
1.20 albertel 117: return(<<END_HTML)
118: $start_page
1.5 tyszkabe 119: <center>
1.36 raeburn 120: <form name="annotInfo" method="post" action="">
1.34 schafran 121: <textarea name="annotation" wrap="on" rows="12" cols="36" onfocus="javascript:renameButton();">$annotation</textarea><br />
1.27 albertel 122: <input type="hidden" name="symbold" value="$symbnew" />
123: <input type="hidden" name="symbnew" value="" />
1.23 albertel 124: <input type="button" name="send" value="$lt{'save'}"
1.27 albertel 125: onclick="javascript:this.form.symbnew.value=get_symb();this.form.submit();" />
1.34 schafran 126: <input type="button" id="close" name="close" value="$lt{'close no save'}"
1.22 albertel 127: onclick="javascript:window.close();" />
128: </form>
1.5 tyszkabe 129: </center>
1.20 albertel 130: $end_page
1.1 tyszkabe 131: END_HTML
132: }
133:
1.7 tyszkabe 134: # ----------------------------------------------------Constructs error window
1.5 tyszkabe 135:
1.6 tyszkabe 136: sub construct_error {
1.21 albertel 137: my ($annot_error,$button_name) = @_;
1.26 albertel 138:
1.27 albertel 139: my $get_symb = &js_get_symb();
1.26 albertel 140: my $js = <<ENDJS;
141: <script type="text/javascript">
1.27 albertel 142: $get_symb
1.26 albertel 143: </script>
144: ENDJS
145:
146: my $start_page = &Apache::loncommon::start_page('Annotations',$js,
1.21 albertel 147: {'only_body' => 1,});
148: my $end_page = &Apache::loncommon::end_page();
1.20 albertel 149:
1.35 bisitz 150: my %lt = &Apache::lonlocal::texthash(
151: 'close' => 'Close',
152: 'button' => $button_name,
153: );
1.23 albertel 154:
1.21 albertel 155: return(<<END_HTML2)
1.20 albertel 156: $start_page
1.5 tyszkabe 157: <center>
1.36 raeburn 158: <form name="annotInfo" method="post" action="">
1.6 tyszkabe 159: <table bgcolor="#FFFFFF" width="100%" height="90%" align="center">
1.5 tyszkabe 160: <td>
1.22 albertel 161: <font size="+1"><i>
1.6 tyszkabe 162: $annot_error
1.12 www 163: </i></font>
1.5 tyszkabe 164: </td>
165: </table>
1.27 albertel 166: <input type="hidden" name="symbold" value="" />
167: <input type="hidden" name="symbnew" value="" />
1.23 albertel 168: <input type="button" name="send" value="$lt{'button'}"
1.27 albertel 169: onclick="javascript:this.form.symbnew.value=get_symb();this.form.submit();" />
1.23 albertel 170: <input type="button" name="close" value="$lt{'close'}"
1.22 albertel 171: onclick="javascript:window.close();" />
172: </form>
1.5 tyszkabe 173: </center>
1.20 albertel 174: $end_page
1.5 tyszkabe 175: END_HTML2
176: }
177:
1.37 ! raeburn 178: sub block_check {
! 179: my ($clientip) = @_;
! 180: my ($blocked,$blocktext) =
! 181: &Apache::loncommon::blocking_status('annotate',$clientip);
! 182: if ($blocked) {
! 183: my %lt = &Apache::lonlocal::texthash(
! 184: 'close' => 'Close',
! 185: );
! 186: my $start_page =
! 187: &Apache::loncommon::start_page('Annotations',undef,
! 188: {'only_body' => 1,});
! 189: my $end_page = '<form name="annotInfo" method="post" action="">'."\n".
! 190: '<input type="button" id="close" name="close" value="'.$lt{'close'}.'"'.
! 191: ' onclick="javascript:window.close();" />'."\n".
! 192: '</form>'."\n".
! 193: &Apache::loncommon::end_page();
! 194: return ($blocked,$start_page.$blocktext.$end_page);
! 195: } else {
! 196: return ();
! 197: }
! 198: }
1.27 albertel 199:
1.7 tyszkabe 200: # ---------------------------------------------------------------Main Handler
1.1 tyszkabe 201:
202: sub handler {
1.25 albertel 203: my ($r) = @_;
204:
205: &Apache::loncommon::content_type($r,'text/html');
1.21 albertel 206: $r->send_http_header;
207: return OK if $r->header_only;
208:
1.37 ! raeburn 209: my $clientip = &Apache::lonnet::get_requestor_ip($r);
! 210: if ($clientip ne '') {
! 211: my ($blocked,$output) = &block_check($clientip);
! 212: if ($blocked) {
! 213: $r->print($output);
! 214: return OK;
! 215: }
! 216: }
! 217:
1.21 albertel 218: my $page;
219:
1.32 raeburn 220: my ($symb_old,$symb_old_enc) = &Apache::loncommon::clean_symb($env{'form.symbold'},1);
221: my ($symb_new,$symb_new_enc) = &Apache::loncommon::clean_symb($env{'form.symbnew'},1);
1.27 albertel 222:
1.21 albertel 223: my $annotation=$env{'form.annotation'};
224:
1.27 albertel 225: if ($symb_old) {
226: &write_annotation($symb_old,$symb_old_enc,$annotation);
1.21 albertel 227: }
1.27 albertel 228: if (exists($env{'form.symbnew'})) {
229: unless ($symb_new) {
1.25 albertel 230: $page=&construct_error(&mt("Cannot annotate current window. Please point your browser to a LON-CAPA page and then 'continue'."),"continue");
1.21 albertel 231: } else {
1.27 albertel 232: if ($symb_old ne $symb_new) {
1.28 tempelho 233: $annotation=&Apache::loncommon::get_annotation($symb_new,$symb_new_enc);
1.21 albertel 234: }
1.27 albertel 235: # pass same symb through.
236: $page=&construct_editor($annotation,$env{'form.symbnew'});
1.21 albertel 237: }
238: }
239: $r->print($page);
240: return OK;
1.1 tyszkabe 241: }
242:
243: 1;
244: __END__
1.8 tyszkabe 245:
1.30 jms 246: =pod
247:
248: =head1 NAME
249:
250: Apache::admannotations
251:
252: =head1 SYNOPSIS
253:
254: This will take annotations and then plug them into a page.
255:
256: This is part of the LearningOnline Network with CAPA project
257: described at http://www.lon-capa.org.
258:
259: =head1 OVERVIEW
260:
261: (empty)
262:
263: =head1 SUBROUTINES
264:
265: =over write_annotation()
266:
267: Put annotation
268:
269: =item js_get_symb()
270:
271: Construct editor
272:
273: =item construct_editor()
274:
275: =item construct_error()
276:
277: =item handler()
278:
279: =back
280:
281: =cut
282:
283:
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