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/**
* ### Changed plugin
*
* This plugin adds more information to the `changed.jstree` event. The new data is contained in the `changed` event data property, and contains a lists of `selected` and `deselected` nodes.
*/
/*globals jQuery, define, exports, require, document */
(function (factory) {
"use strict";
if (typeof define === 'function' && define.amd) {
define('jstree.changed', ['jquery','./jstree.js'], factory);
}
else if(typeof exports === 'object') {
factory(require('jquery'), require('./jstree.js'));
}
else {
factory(jQuery, jQuery.jstree);
}
}(function ($, jstree, undefined) {
"use strict";
if($.jstree.plugins.changed) { return; }
$.jstree.plugins.changed = function (options, parent) {
var last = [];
this.trigger = function (ev, data) {
var i, j;
if(!data) {
data = {};
}
if(ev.replace('.jstree','') === 'changed') {
data.changed = { selected : [], deselected : [] };
var tmp = {};
for(i = 0, j = last.length; i < j; i++) {
tmp[last[i]] = 1;
}
for(i = 0, j = data.selected.length; i < j; i++) {
if(!tmp[data.selected[i]]) {
data.changed.selected.push(data.selected[i]);
}
else {
tmp[data.selected[i]] = 2;
}
}
for(i = 0, j = last.length; i < j; i++) {
if(tmp[last[i]] === 1) {
data.changed.deselected.push(last[i]);
}
}
last = data.selected.slice();
}
/**
* triggered when selection changes (the "changed" plugin enhances the original event with more data)
* @event
* @name changed.jstree
* @param {Object} node
* @param {Object} action the action that caused the selection to change
* @param {Array} selected the current selection
* @param {Object} changed an object containing two properties `selected` and `deselected` - both arrays of node IDs, which were selected or deselected since the last changed event
* @param {Object} event the event (if any) that triggered this changed event
* @plugin changed
*/
parent.trigger.call(this, ev, data);
};
this.refresh = function (skip_loading, forget_state) {
last = [];
return parent.refresh.apply(this, arguments);
};
};
}));