| /pack-rat/003_pack_rat/pack-rat/node_modules/jstree/src/jstree.state.js |
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| /** |
| * ### 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 |
| }; |
| $.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 st = { 'state' : this.get_state(), '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) { |
| 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"); |
| })); |
