File:
[LON-CAPA] /
loncom /
html /
res /
adm /
pages /
bookmarkmenu /
admbookmarks.pm
Revision
1.38:
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Thu Nov 20 13:51:07 2008 UTC (15 years, 11 months ago) by
jms
Branches:
MAIN
CVS tags:
version_2_9_X,
version_2_9_99_0,
version_2_9_1,
version_2_9_0,
version_2_8_99_1,
version_2_8_99_0,
version_2_10_X,
version_2_10_1,
version_2_10_0_RC2,
version_2_10_0_RC1,
version_2_10_0,
pages,
loncapaMITrelate_1,
language_hyphenation_merge,
language_hyphenation,
bz6209-base,
bz6209,
bz5969,
bz2851,
PRINT_INCOMPLETE_base,
PRINT_INCOMPLETE,
HEAD,
GCI_3,
GCI_2,
BZ5971-printing-apage,
BZ5434-fox,
BZ4492-merge,
BZ4492-feature_horizontal_radioresponse
Added/edited POD documentation
# The LearningOnline Network with CAPA
# The bookmarks handler
#
# $Id: admbookmarks.pm,v 1.38 2008/11/20 13:51:07 jms Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
# 08/25/00 Ben Tyszka
#
#
#
##################
=pod
=head1 NAME
Apache::admbookmarks
=head1 SYNOPSIS
This will take bookmarks and get/write/display
them for the LON-CAPA user interface.
This is part of the LearningOnline Network with CAPA project
described at http://www.lon-capa.org.
=head1 OVERVIEW
(empty)
=head1 SUBROUTINES
=over write_bookmarks()
=item get_bookmarks()
=item construct_editor()
=item error_message()
=item construct_toolbar()
=item add_bookmark()
=item handler()
=back
=cut
package Apache::admbookmarks;
use strict;
use Apache::Constants qw(:common);
use Apache::lonnet;
use Apache::loncommon();
use Apache::lonlocal;
# --------------------------------------------------------------Put bookmarks
sub write_bookmarks {
my ($marks) = @_;
&Apache::lonnet::put("bookmarks",{'bookmarks' => $marks});
return;
}
# --------------------------------------------------------------Get bookmarks
sub get_bookmarks {
my %bookmark=&Apache::lonnet::get('bookmarks',['bookmarks']);
my ($errormsg) = $bookmark{'bookmarks'};
if ($errormsg =~ /^error/) { %bookmark = ('bookmarks' => ''); }
return %bookmark;
}
# ---------------------------------------------------Construct bookmark editor
sub construct_editor {
my ($bookmarks) = @_;
my $js = <<ENDJS;
<script src="/res/adm/pages/bookmarkmenu/bookmarklib.js" type="text/javascript"></script>
<script type="text/javascript">
function initialize() {
window.tree = new newTree();
//-----------------------------------------------------------------------------
// The FOLLOWING data is supplied by the Perl Module
//-----------------------------------------------------------------------------
$bookmarks
//-----------------------------------------------------------------------------
// The PRECEDING data is supplied by the Perl Module
//-----------------------------------------------------------------------------
window.tree.redraw();
}
</script>
ENDJS
my $start_page =
&Apache::loncommon::start_page('Bookmark Tree Viewer/Editor',$js,
{'frameset' => 1,
'add_entries' => {
'rows' => "25,*,40,25,1",
'topmargin' => "0",
'leftmargin' => "0",
'marginheight' => "0",
'marginwidth' => "0",
'frameborder' => "0",
'border' => "0",
'framespacing' => "0",
'onload' => "javascript:buildBookmarkMenu();initialize();"}});
my $end_page =
&Apache::loncommon::end_page({'frameset' => 1,});
return(<<END_HTML)
$start_page
<frameset cols="25, *, 25" frameborder="0" borders="0" framespacing="0">
<frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''" />
<frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''" />
<frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''" />
</frameset>
<frameset cols="25, *, 25" frameborder="0" borders="0" framespacing="0">
<frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''" />
<frame src="/res/adm/pages/bookmarkmenu/blank.html" marginwidth="0"
marginheight="0" scrolling="yes" />
<frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''" />
</frameset>
<frameset cols="25, *, 25" frameborder="0" borders="0" framespacing="0">
<frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''" />
<frame src="/res/adm/pages/bookmarkmenu/bookmarkmenu_toolbar.html"
marginwidth="0" marginheight="0" scrolling="no" />
<frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''" />
</frameset>
<frameset cols="25, *, 25" frameborder="0" borders="0" framespacing="0">
<frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''" />
<frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''" />
<frame marginwidth="0" marginheight="0" scrolling="no" src="javascript:''" />
</frameset>
<frame name="closechildren" noresize="noresize" noscroll="noscroll"
src="/res/adm/pages/bookmarkmenu/closechildren.html" />
$end_page
END_HTML
}
# ---------------------------------------------------------------Construct Error window
sub construct_error {
my ($error_message) = @_;
my $start_page =
&Apache::loncommon::start_page('Bookmark Tree Viewer/Editor',undef,
{'only_body' => 1,
'bgcolor' => '#BBBBBB',});
my $end_page = &Apache::loncommon::end_page();
my $close = &mt('Close Window');
return(<<END_ERROR)
$start_page
<table bgcolor="#FFFFFF" width="100%" height="90%" align="center">
<td>
<i>
$error_message
</i>
</td>
</table>
<center>
<form>
<input type="button" name="close" value="$close"
onclick="javascript:window.close();" />
</form>
</center>
$end_page
END_ERROR
}
# --------------------------------------------Construct toolbar (after saving)
sub construct_toolbar {
my $start_page =
&Apache::loncommon::start_page('Bookmark Tree Viewer/Editor',undef,
{'only_body' => 1,
'bgcolor' => '#FFFFFF',});
my $end_page = &Apache::loncommon::end_page();
my $msg = &mt('Bookmarks saved. ([_1]Continue[_2])',
'<a href="/res/adm/pages/bookmarkmenu/bookmarkmenu_toolbar.html" target="_self">',
'</a>');
return(<<END_TOOLBAR)
$start_page
<div align="bottom">
<center>
$msg
</center>
</div>
$end_page
END_TOOLBAR
}
# ---------------------------------------------Add bookmark from remote control
sub add_bookmark {
my ($location, $title, $bookmarks) = @_;
my $start_page =
&Apache::loncommon::start_page('Bookmark Tree Viewer/Editor',undef,
{'only_body' => 1,
'bgcolor' => '#FFFFFF',});
my $end_page = &Apache::loncommon::end_page();
$bookmarks .= "window.tree.bookmarks.addLink(\"$title\",\"$location\");\n";
# $marks{'bookmarks'} += qq/\nwindow.tree.bookmarks.addlink("$title","$location");\n/;
&write_bookmarks($bookmarks);
my $page="$start_page $bookmarks<p>Bookmarks successfully saved</p><script type=\"text/javascript\">window.close()</script> $end_page";
return($page);
}
# ----------------------------------------------------------------Main Handler
sub handler {
my ($r) = @_;
my %marks;
my $save_mark;
my $page;
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
if (defined($env{'form.hiddenbookmarks'})) {
$marks{'bookmarks'}=$env{'form.hiddenbookmarks'};
&write_bookmarks($marks{'bookmarks'});
$page=&construct_toolbar();
} else {
%marks=&get_bookmarks();
if (exists($marks{"con_lost"})) {
#$page = construct_editor($marks{'bookmarks'}); # Delete this line and uncomment next
# in order to re-enable connection detection
$page=&construct_error(&mt("Connection broken with home server. Please contact your system administrator."));
} else {
if (defined($env{'form.address'})) {
$page=&add_bookmark($env{'form.address'},$env{'form.title'},$marks{'bookmarks'});
} else {
if ($marks{'bookmarks'} eq "") {
$marks{'bookmarks'}=&defaultmarks();
}
$page = &construct_editor($marks{'bookmarks'});
}
}
}
$r->print($page);
return OK;
}
####################################
#
# The following was used for debugging when the bookmarks get corrupted
# ben 10/12/2000
sub recovermarks {
return(<<END_MARKS);
window.tree.bookmarks.addFolder("Default Bookmarks",true);
window.tree.bookmarks.p[0].addFolder("LON-CAPA",true);
window.tree.bookmarks.p[0].p[0].addLink("Main","http://www.lon-capa.org/");
window.tree.bookmarks.p[0].p[0].addLink("Help","http://help.lon-capa.org/");
window.tree.bookmarks.p[0].p[0].addLink("Bugs","http://bugs.lon-capa.org/");
END_MARKS
}
#
#
##########################################
##########################################
#
# Here is a listing of default bookmarks. It may be used to replace 'recover'
# eventually, but for now these will load after all bookmarks have been deleted.
# ben 10/12/2000
sub defaultmarks {
return(<<END_MARKS);
window.tree.bookmarks.addFolder("Default Bookmarks",true);
window.tree.bookmarks.p[0].addFolder("LON-CAPA",true);
window.tree.bookmarks.p[0].p[0].addLink("Main","http://www.lon-capa.org/");
window.tree.bookmarks.p[0].p[0].addLink("Help","http://help.lon-capa.org/");
window.tree.bookmarks.p[0].p[0].addLink("Bugs","http://bugs.lon-capa.org/");
END_MARKS
}
1;
__END__
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