Annotation of loncom/html/res/adm/pages/bookmarkmenu/admbookmarks.pm, revision 1.32
1.28 albertel 1: # The LearningOnline Network with CAPA
2: # The bookmarks handler
1.1 tyszkabe 3: #
1.32 ! albertel 4: # $Id: admbookmarks.pm,v 1.31 2006/04/11 15:26:05 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();
1.1 tyszkabe 40:
1.4 tyszkabe 41: # --------------------------------------------------------------Put bookmarks
1.1 tyszkabe 42:
1.4 tyszkabe 43: sub write_bookmarks {
1.32 ! albertel 44: my ($marks) = @_;
! 45: &Apache::lonnet::put("bookmarks",{'bookmarks' => $marks});
1.2 tyszkabe 46: return;
1.1 tyszkabe 47: }
48:
1.4 tyszkabe 49: # --------------------------------------------------------------Get bookmarks
1.2 tyszkabe 50:
1.4 tyszkabe 51: sub get_bookmarks {
1.32 ! albertel 52: my %bookmark=&Apache::lonnet::get('bookmarks',['bookmarks']);
1.26 albertel 53: my ($errormsg) = $bookmark{'bookmarks'};
54: if ($errormsg =~ /^error/) { %bookmark = ('bookmarks' => ''); }
55:
1.5 tyszkabe 56: return %bookmark;
1.2 tyszkabe 57: }
58:
1.4 tyszkabe 59: # ---------------------------------------------------Construct bookmark editor
1.2 tyszkabe 60:
61: sub construct_editor {
1.32 ! albertel 62: my ($bookmarks) = @_;
1.31 albertel 63: my $js = <<ENDJS;
1.18 tyszkabe 64: <script src="/res/adm/pages/bookmarkmenu/bookmarklib.js" language="JavaScript"></script>
1.16 tyszkabe 65:
1.4 tyszkabe 66: <script LANGUAGE="JavaScript">
1.16 tyszkabe 67: function initialize() {
68: window.tree = new newTree();
69: //-------------------------------------------------------------------------------
1.9 tyszkabe 70: // The FOLLOWING data is supplied by the Perl Module
1.16 tyszkabe 71: //-------------------------------------------------------------------------------
1.9 tyszkabe 72: $bookmarks
1.16 tyszkabe 73: //-------------------------------------------------------------------------------
1.9 tyszkabe 74: // The PRECEDING data is supplied by the Perl Module
1.16 tyszkabe 75: //-------------------------------------------------------------------------------
76: window.tree.redraw();
1.4 tyszkabe 77: }
1.8 tyszkabe 78: </script>
1.31 albertel 79: ENDJS
80:
81: my $html = &Apache::lonxml::xmlbegin();
82: my $head = &Apache::loncommon::head('Bookmark Tree Viewer/Editor',$js);
83:
84: return(<<END_HTML)
85: $html
86: $head
1.25 harris41 87: <FRAMESET rows="25, *, 40, 25, 1" topmargin=0 leftmargin=0 marginheight=0 marginwidth=0 frameborder="0" border="0" framespacing="0" onLoad="Javascript:buildBookmarkMenu();initialize();">
1.4 tyszkabe 88: <FRAMESET cols="25, *, 25" frameborder="0" borders="0" framespacing="0">
1.16 tyszkabe 89: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
90: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
91: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
1.4 tyszkabe 92: </FRAMESET>
1.16 tyszkabe 93: <FRAMESET cols="25, *, 25" frameborder="0" borders="0" framespacing="0">
94: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
1.18 tyszkabe 95: <FRAME src="/res/adm/pages/bookmarkmenu/blank.html" marginwidth="0" marginheight="0" scrolling="yes">
1.16 tyszkabe 96: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
1.4 tyszkabe 97: </FRAMESET>
98: <FRAMESET cols="25, *, 25" frameborder="0" borders="0" framespacing="0">
1.16 tyszkabe 99: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
1.18 tyszkabe 100: <FRAME src="/res/adm/pages/bookmarkmenu/bookmarkmenu_toolbar.html" marginwidth="0" marginheight="0" scrolling="no">
1.16 tyszkabe 101: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
1.4 tyszkabe 102: </FRAMESET>
103: <FRAMESET cols="25, *, 25" frameborder="0" borders="0" framespacing="0">
1.16 tyszkabe 104: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
105: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
106: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
1.4 tyszkabe 107: </FRAMESET>
1.25 harris41 108: <frame name=closechildren src="/res/adm/pages/bookmarkmenu/closechildren.html" noresize noscroll>
1.4 tyszkabe 109: </FRAMESET>
110: </html>
1.2 tyszkabe 111: END_HTML
1.1 tyszkabe 112: }
113:
1.16 tyszkabe 114: # ---------------------------------------------------------------Construct Error window
1.5 tyszkabe 115:
116: sub construct_error {
1.32 ! albertel 117: my ($error_message) = @_;
1.31 albertel 118: my $start_page =
119: &Apache::loncommon::start_page('Bookmark Tree Viewer/Editor',undef,
120: {'only_body' => 1,
121: 'bgcolor' => '#BBBBBB',});
122:
123: my $end_page = &Apache::loncommon::end_page();
124:
125: return(<<END_ERROR)
126: $start_page
1.5 tyszkabe 127: <table bgcolor="#FFFFFF" width="100%" height="90%" align="center">
128: <td>
129: <i>
130: $error_message
131: </i>
132: </td>
133: </table>
134: <center>
135: <form>
136: <input type=button name="close" value="close window" onClick="javascript:window.close();">
137: </form>
138: </center>
1.31 albertel 139: $end_page
1.5 tyszkabe 140: END_ERROR
141: }
142:
1.16 tyszkabe 143: # --------------------------------------------Construct toolbar (after saving)
1.6 tyszkabe 144:
145: sub construct_toolbar {
1.31 albertel 146: my $start_page =
147: &Apache::loncommon::start_page('Bookmark Tree Viewer/Editor',undef,
148: {'only_body' => 1,
149: 'bgcolor' => '#FFFFFF',});
150:
151: my $end_page = &Apache::loncommon::end_page();
152:
1.32 ! albertel 153: return(<<END_TOOLBAR)
1.31 albertel 154: $start_page
1.7 tyszkabe 155: <div align="bottom">
156: <center>
157: Bookmarks saved.
1.20 tyszkabe 158: [ <a href="/res/adm/pages/bookmarkmenu/bookmarkmenu_toolbar.html" target="_self">Continue</a> ]
1.7 tyszkabe 159: </center>
160: </div>
1.31 albertel 161: $end_page
1.6 tyszkabe 162: END_TOOLBAR
163: }
164:
1.21 tyszkabe 165: # ---------------------------------------------Add bookmark from remote control
166:
167: sub add_bookmark {
1.32 ! albertel 168: my ($location, $title, $bookmarks) = @_;
1.23 harris41 169: $bookmarks .= "window.tree.bookmarks.addLink(\"$title\",\"$location\");\n";
1.22 tyszkabe 170: # $marks{'bookmarks'} += qq/\nwindow.tree.bookmarks.addlink("$title","$location");\n/;
1.32 ! albertel 171: &write_bookmarks($bookmarks);
! 172: my $page="<html><body>$bookmarks<p>Bookmarks successfully saved<script language=\"JavaScript\">window.close()</script></body></html>";
1.22 tyszkabe 173: return($page);
1.21 tyszkabe 174: }
175:
1.16 tyszkabe 176: # ----------------------------------------------------------------Main Handler
1.1 tyszkabe 177:
178: sub handler {
1.32 ! albertel 179: my ($r) = @_;
! 180: my %marks;
! 181: my $save_mark;
! 182: my $page;
! 183: $r->content_type('text/html');
! 184: $r->send_http_header;
! 185: if (defined($env{'form.hiddenbookmarks'})) {
! 186: $marks{'bookmarks'}=$env{'form.hiddenbookmarks'};
! 187: &write_bookmarks($marks{'bookmarks'});
! 188: $page=&construct_toolbar();
! 189: } else {
! 190: %marks=&get_bookmarks();
! 191: if (exists($marks{"con_lost"})) {
! 192: #$page = construct_editor($marks{'bookmarks'}); # Delete this line and uncomment next
! 193: # in order to re-enable connection detection
! 194: $page=&construct_error("Connection broken with home server. Please contact your system administrator");
! 195: } else {
! 196: if (defined($env{'form.address'})) {
! 197: $page=&add_bookmark($env{'form.address'},$env{'form.title'},$marks{'bookmarks'});
! 198: } else {
! 199: if ($marks{'bookmarks'} eq "") {
! 200: $marks{'bookmarks'}=&defaultmarks();
! 201: }
! 202: $page = &construct_editor($marks{'bookmarks'});
! 203: }
! 204: }
! 205: }
! 206: $r->print($page);
! 207: return OK;
1.1 tyszkabe 208: }
1.9 tyszkabe 209:
210: ####################################
211: #
1.16 tyszkabe 212: # The following was used for debugging when the bookmarks get corrupted
213: # ben 10/12/2000
214: sub recovermarks {
215: return(<<END_MARKS);
216: window.tree.bookmarks.addFolder("Default Bookmarks",true);
1.29 www 217: window.tree.bookmarks.p[0].addFolder("LON-CAPA",true);
218: window.tree.bookmarks.p[0].p[0].addLink("Main","http://www.lon-capa.org/");
219: window.tree.bookmarks.p[0].p[0].addLink("Help","http://help.lon-capa.org/");
220: window.tree.bookmarks.p[0].p[0].addLink("Bugs","http://bugs.lon-capa.org/");
1.16 tyszkabe 221: END_MARKS
222: }
223: #
224: #
225: ##########################################
226:
227: ##########################################
228: #
229: # Here is a listing of default bookmarks. It may be used to replace 'recover'
230: # eventually, but for now these will load after all bookmarks have been deleted.
1.10 tyszkabe 231: # ben 10/12/2000
232: sub defaultmarks {
233: return(<<END_MARKS);
1.16 tyszkabe 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/");
1.10 tyszkabe 239: END_MARKS
240: }
1.1 tyszkabe 241:
242: 1;
243: __END__
1.8 tyszkabe 244:
245:
246:
247:
248:
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