Annotation of loncom/html/res/adm/pages/bookmarkmenu/admbookmarks.pm, revision 1.35
1.28 albertel 1: # The LearningOnline Network with CAPA
2: # The bookmarks handler
1.1 tyszkabe 3: #
1.35 ! albertel 4: # $Id: admbookmarks.pm,v 1.34 2006/04/11 15:46:54 albertel Exp $
1.28 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.
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/
1.1 tyszkabe 27: #
1.2 tyszkabe 28: # 08/25/00 Ben Tyszka
1.16 tyszkabe 29: #
1.1 tyszkabe 30: #
1.2 tyszkabe 31: #
32: ##################
1.1 tyszkabe 33:
1.5 tyszkabe 34: package Apache::admbookmarks;
1.1 tyszkabe 35:
36: use strict;
1.2 tyszkabe 37: use Apache::Constants qw(:common);
1.30 albertel 38: use Apache::lonnet;
1.31 albertel 39: use Apache::loncommon();
1.35 ! albertel 40: use Apache::lonlocal;
1.1 tyszkabe 41:
1.4 tyszkabe 42: # --------------------------------------------------------------Put bookmarks
1.1 tyszkabe 43:
1.4 tyszkabe 44: sub write_bookmarks {
1.32 albertel 45: my ($marks) = @_;
46: &Apache::lonnet::put("bookmarks",{'bookmarks' => $marks});
1.2 tyszkabe 47: return;
1.1 tyszkabe 48: }
49:
1.4 tyszkabe 50: # --------------------------------------------------------------Get bookmarks
1.2 tyszkabe 51:
1.4 tyszkabe 52: sub get_bookmarks {
1.32 albertel 53: my %bookmark=&Apache::lonnet::get('bookmarks',['bookmarks']);
1.26 albertel 54: my ($errormsg) = $bookmark{'bookmarks'};
55: if ($errormsg =~ /^error/) { %bookmark = ('bookmarks' => ''); }
56:
1.5 tyszkabe 57: return %bookmark;
1.2 tyszkabe 58: }
59:
1.4 tyszkabe 60: # ---------------------------------------------------Construct bookmark editor
1.2 tyszkabe 61:
62: sub construct_editor {
1.32 albertel 63: my ($bookmarks) = @_;
1.31 albertel 64: my $js = <<ENDJS;
1.34 albertel 65: <script src="/res/adm/pages/bookmarkmenu/bookmarklib.js" type="text/javascript"></script>
1.16 tyszkabe 66:
1.34 albertel 67: <script type="text/javascript">
1.16 tyszkabe 68: function initialize() {
69: window.tree = new newTree();
1.34 albertel 70: //-----------------------------------------------------------------------------
1.9 tyszkabe 71: // The FOLLOWING data is supplied by the Perl Module
1.34 albertel 72: //-----------------------------------------------------------------------------
1.9 tyszkabe 73: $bookmarks
1.34 albertel 74: //-----------------------------------------------------------------------------
1.9 tyszkabe 75: // The PRECEDING data is supplied by the Perl Module
1.34 albertel 76: //-----------------------------------------------------------------------------
1.16 tyszkabe 77: window.tree.redraw();
1.4 tyszkabe 78: }
1.8 tyszkabe 79: </script>
1.31 albertel 80: ENDJS
81:
82: my $html = &Apache::lonxml::xmlbegin();
83: my $head = &Apache::loncommon::head('Bookmark Tree Viewer/Editor',$js);
84:
85: return(<<END_HTML)
86: $html
87: $head
1.34 albertel 88: <frameset rows="25, *, 40, 25, 1" topmargin="0" leftmargin="0" marginheight="0"
89: marginwidth="0" frameborder="0" border="0" framespacing="0"
90: onload="javascript:buildBookmarkMenu();initialize();">
91: <frameset cols="25, *, 25" frameborder="0" borders="0" framespacing="0">
92: <frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
93: <frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
94: <frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
95: </frameset>
96: <frameset cols="25, *, 25" frameborder="0" borders="0" framespacing="0">
97: <frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
98: <frame src="/res/adm/pages/bookmarkmenu/blank.html" marginwidth="0"
99: marginheight="0" scrolling="yes">
100: <frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
101: </frameset>
102: <frameset cols="25, *, 25" frameborder="0" borders="0" framespacing="0">
103: <frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
104: <frame src="/res/adm/pages/bookmarkmenu/bookmarkmenu_toolbar.html"
105: marginwidth="0" marginheight="0" scrolling="no">
106: <frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
107: </frameset>
108: <frameset cols="25, *, 25" frameborder="0" borders="0" framespacing="0">
109: <frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
110: <frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
111: <frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
112: </frameset>
113: <frame name="closechildren" src="/res/adm/pages/bookmarkmenu/closechildren.html" noresize noscroll>
114: </frameset>
1.4 tyszkabe 115: </html>
1.2 tyszkabe 116: END_HTML
1.1 tyszkabe 117: }
118:
1.16 tyszkabe 119: # ---------------------------------------------------------------Construct Error window
1.5 tyszkabe 120:
121: sub construct_error {
1.32 albertel 122: my ($error_message) = @_;
1.31 albertel 123: my $start_page =
124: &Apache::loncommon::start_page('Bookmark Tree Viewer/Editor',undef,
125: {'only_body' => 1,
126: 'bgcolor' => '#BBBBBB',});
127:
128: my $end_page = &Apache::loncommon::end_page();
1.35 ! albertel 129:
! 130: my $close = $mt('Close Window');
1.31 albertel 131:
1.35 ! albertel 132: return(<<END_ERROR)
1.31 albertel 133: $start_page
1.5 tyszkabe 134: <table bgcolor="#FFFFFF" width="100%" height="90%" align="center">
135: <td>
136: <i>
137: $error_message
138: </i>
139: </td>
140: </table>
141: <center>
142: <form>
1.35 ! albertel 143: <input type="button" name="close" value="$close"
! 144: onclick="javascript:window.close();" />
1.5 tyszkabe 145: </form>
146: </center>
1.31 albertel 147: $end_page
1.5 tyszkabe 148: END_ERROR
149: }
150:
1.16 tyszkabe 151: # --------------------------------------------Construct toolbar (after saving)
1.6 tyszkabe 152:
153: sub construct_toolbar {
1.31 albertel 154: my $start_page =
155: &Apache::loncommon::start_page('Bookmark Tree Viewer/Editor',undef,
156: {'only_body' => 1,
157: 'bgcolor' => '#FFFFFF',});
158:
159: my $end_page = &Apache::loncommon::end_page();
160:
1.35 ! albertel 161: my $msg = &mt('Bookmarks saved. ([_1]Continue[_2])',
! 162: '<a href="/res/adm/pages/bookmarkmenu/bookmarkmenu_toolbar.html" target="_self">',
! 163: '</a>');
! 164:
1.32 albertel 165: return(<<END_TOOLBAR)
1.31 albertel 166: $start_page
1.7 tyszkabe 167: <div align="bottom">
168: <center>
1.35 ! albertel 169: $msg
1.7 tyszkabe 170: </center>
171: </div>
1.31 albertel 172: $end_page
1.6 tyszkabe 173: END_TOOLBAR
174: }
175:
1.21 tyszkabe 176: # ---------------------------------------------Add bookmark from remote control
177:
178: sub add_bookmark {
1.32 albertel 179: my ($location, $title, $bookmarks) = @_;
1.33 albertel 180: my $start_page =
181: &Apache::loncommon::start_page('Bookmark Tree Viewer/Editor',undef,
182: {'only_body' => 1,
183: 'bgcolor' => '#FFFFFF',});
184:
185: my $end_page = &Apache::loncommon::end_page();
186:
1.23 harris41 187: $bookmarks .= "window.tree.bookmarks.addLink(\"$title\",\"$location\");\n";
1.22 tyszkabe 188: # $marks{'bookmarks'} += qq/\nwindow.tree.bookmarks.addlink("$title","$location");\n/;
1.32 albertel 189: &write_bookmarks($bookmarks);
1.34 albertel 190: my $page="$start_page $bookmarks<p>Bookmarks successfully saved</p><script type=\"text/javascript\">window.close()</script> $end_page";
1.22 tyszkabe 191: return($page);
1.21 tyszkabe 192: }
193:
1.16 tyszkabe 194: # ----------------------------------------------------------------Main Handler
1.1 tyszkabe 195:
196: sub handler {
1.32 albertel 197: my ($r) = @_;
198: my %marks;
199: my $save_mark;
200: my $page;
1.35 ! albertel 201: &Apache::loncommon::content_type($r,'text/html');
1.32 albertel 202: $r->send_http_header;
203: if (defined($env{'form.hiddenbookmarks'})) {
204: $marks{'bookmarks'}=$env{'form.hiddenbookmarks'};
205: &write_bookmarks($marks{'bookmarks'});
206: $page=&construct_toolbar();
207: } else {
208: %marks=&get_bookmarks();
209: if (exists($marks{"con_lost"})) {
210: #$page = construct_editor($marks{'bookmarks'}); # Delete this line and uncomment next
211: # in order to re-enable connection detection
1.35 ! albertel 212: $page=&construct_error(&mt("Connection broken with home server. Please contact your system administrator."));
1.32 albertel 213: } else {
214: if (defined($env{'form.address'})) {
215: $page=&add_bookmark($env{'form.address'},$env{'form.title'},$marks{'bookmarks'});
216: } else {
217: if ($marks{'bookmarks'} eq "") {
218: $marks{'bookmarks'}=&defaultmarks();
219: }
220: $page = &construct_editor($marks{'bookmarks'});
221: }
222: }
223: }
224: $r->print($page);
225: return OK;
1.1 tyszkabe 226: }
1.9 tyszkabe 227:
228: ####################################
229: #
1.16 tyszkabe 230: # The following was used for debugging when the bookmarks get corrupted
231: # ben 10/12/2000
232: sub recovermarks {
233: return(<<END_MARKS);
234: window.tree.bookmarks.addFolder("Default Bookmarks",true);
1.29 www 235: window.tree.bookmarks.p[0].addFolder("LON-CAPA",true);
236: window.tree.bookmarks.p[0].p[0].addLink("Main","http://www.lon-capa.org/");
237: window.tree.bookmarks.p[0].p[0].addLink("Help","http://help.lon-capa.org/");
238: window.tree.bookmarks.p[0].p[0].addLink("Bugs","http://bugs.lon-capa.org/");
1.16 tyszkabe 239: END_MARKS
240: }
241: #
242: #
243: ##########################################
244:
245: ##########################################
246: #
247: # Here is a listing of default bookmarks. It may be used to replace 'recover'
248: # eventually, but for now these will load after all bookmarks have been deleted.
1.10 tyszkabe 249: # ben 10/12/2000
250: sub defaultmarks {
251: return(<<END_MARKS);
1.16 tyszkabe 252: window.tree.bookmarks.addFolder("Default Bookmarks",true);
1.29 www 253: window.tree.bookmarks.p[0].addFolder("LON-CAPA",true);
254: window.tree.bookmarks.p[0].p[0].addLink("Main","http://www.lon-capa.org/");
255: window.tree.bookmarks.p[0].p[0].addLink("Help","http://help.lon-capa.org/");
256: window.tree.bookmarks.p[0].p[0].addLink("Bugs","http://bugs.lon-capa.org/");
1.10 tyszkabe 257: END_MARKS
258: }
1.1 tyszkabe 259:
260: 1;
261: __END__
1.8 tyszkabe 262:
263:
264:
265:
266:
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