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allow for shift selecting in tree grids

This commit is contained in:
Damien Churchill 2010-07-01 13:45:22 +01:00
parent 9173a9cfdd
commit 80297b8e45
1 changed files with 63 additions and 0 deletions
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deluge/ui/web/js/ext-extensions/tree/MultiSelectionModelFix.js Normal file
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/*!
* Ext.ux.tree.MultiSelectionModelFix.js
*
* Copyright (c) Damien Churchill 2009-2010 <damoxc@gmail.com>
*
* This program 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 3, or (at your option)
* any later version.
*
* This program 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 this program. If not, write to:
* The Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the OpenSSL
* library.
* You must obey the GNU General Public License in all respects for all of
* the code used other than OpenSSL. If you modify file(s) with this
* exception, you may extend this exception to your version of the file(s),
* but you are not obligated to do so. If you do not wish to do so, delete
* this exception statement from your version. If you delete this exception
* statement from all source files in the program, then also delete it here.
*/
/**
* This enhances the MSM to allow for shift selecting in tree grids etc.
* @author Damien Churchill <damoxc@gmail.com>
*/
Ext.override(Ext.tree.MultiSelectionModel, {
onNodeClick: function (node, e) {
if (e.ctrlKey && this.isSelected(node)) {
this.unselect(node);
} else if (e.shiftKey && !this.isSelected(node)) {
var parentNode = node.parentNode;
// We can only shift select files in the same node
if (this.lastSelNode.parentNode.id != parentNode.id) return;
// Get the node indexes
var ni = parentNode.indexOf(node),
li = parentNode.indexOf(this.lastSelNode);
// Select all the nodes
parentNode.eachChild(function(n) {
var i = parentNode.indexOf(n);
if (li < i && i <= ni) {
this.select(n, e, true);
}
}, this);
} else {
this.select(node, e, e.ctrlKey);
}
}
})