--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vakata-jstree-3.3.5/src/jstree.state.js	Fri Dec 14 00:38:44 2018 -0500
@@ -0,0 +1,138 @@
+/**
+ * ### State plugin
+ *
+ * Saves the state of the tree (selected nodes, opened nodes) on the user's computer using available options (localStorage, cookies, etc)
+ */
+/*globals jQuery, define, exports, require */
+(function (factory) {
+	"use strict";
+	if (typeof define === 'function' && define.amd) {
+		define('jstree.state', ['jquery','jstree'], factory);
+	}
+	else if(typeof exports === 'object') {
+		factory(require('jquery'), require('jstree'));
+	}
+	else {
+		factory(jQuery, jQuery.jstree);
+	}
+}(function ($, jstree, undefined) {
+	"use strict";
+
+	if($.jstree.plugins.state) { return; }
+
+	var to = false;
+	/**
+	 * stores all defaults for the state plugin
+	 * @name $.jstree.defaults.state
+	 * @plugin state
+	 */
+	$.jstree.defaults.state = {
+		/**
+		 * A string for the key to use when saving the current tree (change if using multiple trees in your project). Defaults to `jstree`.
+		 * @name $.jstree.defaults.state.key
+		 * @plugin state
+		 */
+		key		: 'jstree',
+		/**
+		 * A space separated list of events that trigger a state save. Defaults to `changed.jstree open_node.jstree close_node.jstree`.
+		 * @name $.jstree.defaults.state.events
+		 * @plugin state
+		 */
+		events	: 'changed.jstree open_node.jstree close_node.jstree check_node.jstree uncheck_node.jstree',
+		/**
+		 * Time in milliseconds after which the state will expire. Defaults to 'false' meaning - no expire.
+		 * @name $.jstree.defaults.state.ttl
+		 * @plugin state
+		 */
+		ttl		: false,
+		/**
+		 * A function that will be executed prior to restoring state with one argument - the state object. Can be used to clear unwanted parts of the state.
+		 * @name $.jstree.defaults.state.filter
+		 * @plugin state
+		 */
+		filter	: false,
+		/**
+		 * Should loaded nodes be restored (setting this to true means that it is possible that the whole tree will be loaded for some users - use with caution). Defaults to `false`
+		 * @name $.jstree.defaults.state.preserve_loaded
+		 * @plugin state
+		 */
+		preserve_loaded : false
+	};
+	$.jstree.plugins.state = function (options, parent) {
+		this.bind = function () {
+			parent.bind.call(this);
+			var bind = $.proxy(function () {
+				this.element.on(this.settings.state.events, $.proxy(function () {
+					if(to) { clearTimeout(to); }
+					to = setTimeout($.proxy(function () { this.save_state(); }, this), 100);
+				}, this));
+				/**
+				 * triggered when the state plugin is finished restoring the state (and immediately after ready if there is no state to restore).
+				 * @event
+				 * @name state_ready.jstree
+				 * @plugin state
+				 */
+				this.trigger('state_ready');
+			}, this);
+			this.element
+				.on("ready.jstree", $.proxy(function (e, data) {
+						this.element.one("restore_state.jstree", bind);
+						if(!this.restore_state()) { bind(); }
+					}, this));
+		};
+		/**
+		 * save the state
+		 * @name save_state()
+		 * @plugin state
+		 */
+		this.save_state = function () {
+			var tm = this.get_state();
+			if (!this.settings.state.preserve_loaded) {
+				delete tm.core.loaded;
+			}
+			var st = { 'state' : tm, 'ttl' : this.settings.state.ttl, 'sec' : +(new Date()) };
+			$.vakata.storage.set(this.settings.state.key, JSON.stringify(st));
+		};
+		/**
+		 * restore the state from the user's computer
+		 * @name restore_state()
+		 * @plugin state
+		 */
+		this.restore_state = function () {
+			var k = $.vakata.storage.get(this.settings.state.key);
+			if(!!k) { try { k = JSON.parse(k); } catch(ex) { return false; } }
+			if(!!k && k.ttl && k.sec && +(new Date()) - k.sec > k.ttl) { return false; }
+			if(!!k && k.state) { k = k.state; }
+			if(!!k && $.isFunction(this.settings.state.filter)) { k = this.settings.state.filter.call(this, k); }
+			if(!!k) {
+				if (!this.settings.state.preserve_loaded) {
+					delete k.core.loaded;
+				}
+				this.element.one("set_state.jstree", function (e, data) { data.instance.trigger('restore_state', { 'state' : $.extend(true, {}, k) }); });
+				this.set_state(k);
+				return true;
+			}
+			return false;
+		};
+		/**
+		 * clear the state on the user's computer
+		 * @name clear_state()
+		 * @plugin state
+		 */
+		this.clear_state = function () {
+			return $.vakata.storage.del(this.settings.state.key);
+		};
+	};
+
+	(function ($, undefined) {
+		$.vakata.storage = {
+			// simply specifying the functions in FF throws an error
+			set : function (key, val) { return window.localStorage.setItem(key, val); },
+			get : function (key) { return window.localStorage.getItem(key); },
+			del : function (key) { return window.localStorage.removeItem(key); }
+		};
+	}($));
+
+	// include the state plugin by default
+	// $.jstree.defaults.plugins.push("state");
+}));
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