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/* ************************************************************************
qooxdoo - the new era of web development
http://qooxdoo.org
Copyright:
2004-2006 by 1&1 Internet AG, Germany, http://www.1and1.org
License:
LGPL 2.1: http://www.gnu.org/licenses/lgpl.html
Authors:
* Sebastian Werner (wpbasti)
* Andreas Ecker (ecker)
************************************************************************ */
/* ************************************************************************
************************************************************************ */
/*!
Helper for qx.manager.selection.SelectionManager, contains data for selections
*/
qx.OO.defineClass("qx.type.Selection", qx.core.Object,
function(vManager)
{
qx.core.Object.call(this);
this._manager = vManager;
this.removeAll();
});
/*
---------------------------------------------------------------------------
USER METHODS
---------------------------------------------------------------------------
*/
qx.Proto.add = function(oItem) {
this._storage[this.getItemHashCode(oItem)] = oItem;
}
qx.Proto.remove = function(oItem) {
delete this._storage[this.getItemHashCode(oItem)];
}
qx.Proto.removeAll = function() {
this._storage = {};
}
qx.Proto.contains = function(oItem) {
return this.getItemHashCode(oItem) in this._storage;
}
qx.Proto.toArray = function()
{
var res = [];
for (var key in this._storage) {
res.push(this._storage[key]);
}
return res;
}
qx.Proto.getFirst = function()
{
for (var key in this._storage) {
return this._storage[key];
}
}
qx.Proto.getChangeValue = function()
{
var sb = [];
for (var hc in this._storage) {
sb.push(hc);
}
sb.sort();
return sb.join(";");
}
qx.Proto.getItemHashCode = function(oItem) {
return this._manager.getItemHashCode(oItem);
}
qx.Proto.isEmpty = function() {
return qx.lang.Object.isEmpty(this._storage);
}
/*
---------------------------------------------------------------------------
DISPOSER
---------------------------------------------------------------------------
*/
qx.Proto.dispose = function()
{
if (this.getDisposed()) {
return;
}
this._storage = null;
this._manager = null;
qx.core.Object.prototype.dispose.call(this);
}
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