+++ /dev/null
-var $, SaveStateHandler, indexOf, isInt, util;
-
-util = require('./util');
-
-indexOf = util.indexOf;
-
-isInt = util.isInt;
-
-$ = jQuery;
-
-SaveStateHandler = (function() {
- function SaveStateHandler(tree_widget) {
- this.tree_widget = tree_widget;
- }
-
- SaveStateHandler.prototype.saveState = function() {
- var state;
- state = JSON.stringify(this.getState());
- if (this.tree_widget.options.onSetStateFromStorage) {
- return this.tree_widget.options.onSetStateFromStorage(state);
- } else if (this.supportsLocalStorage()) {
- return localStorage.setItem(this.getCookieName(), state);
- } else if ($.cookie) {
- $.cookie.raw = true;
- return $.cookie(this.getCookieName(), state, {
- path: '/'
- });
- }
- };
-
- SaveStateHandler.prototype.getStateFromStorage = function() {
- var json_data;
- json_data = this._loadFromStorage();
- if (json_data) {
- return this._parseState(json_data);
- } else {
- return null;
- }
- };
-
- SaveStateHandler.prototype._parseState = function(json_data) {
- var state;
- state = $.parseJSON(json_data);
- if (state && state.selected_node && isInt(state.selected_node)) {
- state.selected_node = [state.selected_node];
- }
- return state;
- };
-
- SaveStateHandler.prototype._loadFromStorage = function() {
- if (this.tree_widget.options.onGetStateFromStorage) {
- return this.tree_widget.options.onGetStateFromStorage();
- } else if (this.supportsLocalStorage()) {
- return localStorage.getItem(this.getCookieName());
- } else if ($.cookie) {
- $.cookie.raw = true;
- return $.cookie(this.getCookieName());
- } else {
- return null;
- }
- };
-
- SaveStateHandler.prototype.getState = function() {
- var getOpenNodeIds, getSelectedNodeIds;
- getOpenNodeIds = (function(_this) {
- return function() {
- var open_nodes;
- open_nodes = [];
- _this.tree_widget.tree.iterate(function(node) {
- if (node.is_open && node.id && node.hasChildren()) {
- open_nodes.push(node.id);
- }
- return true;
- });
- return open_nodes;
- };
- })(this);
- getSelectedNodeIds = (function(_this) {
- return function() {
- var n;
- return (function() {
- var i, len, ref, results;
- ref = this.tree_widget.getSelectedNodes();
- results = [];
- for (i = 0, len = ref.length; i < len; i++) {
- n = ref[i];
- results.push(n.id);
- }
- return results;
- }).call(_this);
- };
- })(this);
- return {
- open_nodes: getOpenNodeIds(),
- selected_node: getSelectedNodeIds()
- };
- };
-
- SaveStateHandler.prototype.setInitialState = function(state) {
- var must_load_on_demand;
- if (!state) {
- return false;
- } else {
- must_load_on_demand = this._openInitialNodes(state.open_nodes);
- this._selectInitialNodes(state.selected_node);
- return must_load_on_demand;
- }
- };
-
- SaveStateHandler.prototype._openInitialNodes = function(node_ids) {
- var i, len, must_load_on_demand, node, node_id;
- must_load_on_demand = false;
- for (i = 0, len = node_ids.length; i < len; i++) {
- node_id = node_ids[i];
- node = this.tree_widget.getNodeById(node_id);
- if (node) {
- if (!node.load_on_demand) {
- node.is_open = true;
- } else {
- must_load_on_demand = true;
- }
- }
- }
- return must_load_on_demand;
- };
-
- SaveStateHandler.prototype._selectInitialNodes = function(node_ids) {
- var i, len, node, node_id, select_count;
- select_count = 0;
- for (i = 0, len = node_ids.length; i < len; i++) {
- node_id = node_ids[i];
- node = this.tree_widget.getNodeById(node_id);
- if (node) {
- select_count += 1;
- this.tree_widget.select_node_handler.addToSelection(node);
- }
- }
- return select_count !== 0;
- };
-
- SaveStateHandler.prototype.setInitialStateOnDemand = function(state, cb_finished) {
- if (state) {
- return this._setInitialStateOnDemand(state.open_nodes, state.selected_node, cb_finished);
- } else {
- return cb_finished();
- }
- };
-
- SaveStateHandler.prototype._setInitialStateOnDemand = function(node_ids, selected_nodes, cb_finished) {
- var loadAndOpenNode, loading_count, openNodes;
- loading_count = 0;
- openNodes = (function(_this) {
- return function() {
- var i, len, new_nodes_ids, node, node_id;
- new_nodes_ids = [];
- for (i = 0, len = node_ids.length; i < len; i++) {
- node_id = node_ids[i];
- node = _this.tree_widget.getNodeById(node_id);
- if (!node) {
- new_nodes_ids.push(node_id);
- } else {
- if (!node.is_loading) {
- if (node.load_on_demand) {
- loadAndOpenNode(node);
- } else {
- _this.tree_widget._openNode(node, false);
- }
- }
- }
- }
- node_ids = new_nodes_ids;
- if (_this._selectInitialNodes(selected_nodes)) {
- _this.tree_widget._refreshElements();
- }
- if (loading_count === 0) {
- return cb_finished();
- }
- };
- })(this);
- loadAndOpenNode = (function(_this) {
- return function(node) {
- loading_count += 1;
- return _this.tree_widget._openNode(node, false, function() {
- loading_count -= 1;
- return openNodes();
- });
- };
- })(this);
- return openNodes();
- };
-
- SaveStateHandler.prototype.getCookieName = function() {
- if (typeof this.tree_widget.options.saveState === 'string') {
- return this.tree_widget.options.saveState;
- } else {
- return 'tree';
- }
- };
-
- SaveStateHandler.prototype.supportsLocalStorage = function() {
- var testSupport;
- testSupport = function() {
- var error, key;
- if (typeof localStorage === "undefined" || localStorage === null) {
- return false;
- } else {
- try {
- key = '_storage_test';
- sessionStorage.setItem(key, true);
- sessionStorage.removeItem(key);
- } catch (error1) {
- error = error1;
- return false;
- }
- return true;
- }
- };
- if (this._supportsLocalStorage == null) {
- this._supportsLocalStorage = testSupport();
- }
- return this._supportsLocalStorage;
- };
-
- SaveStateHandler.prototype.getNodeIdToBeSelected = function() {
- var state;
- state = this.getStateFromStorage();
- if (state && state.selected_node) {
- return state.selected_node[0];
- } else {
- return null;
- }
- };
-
- return SaveStateHandler;
-
-})();
-
-module.exports = SaveStateHandler;
Code Review / portal.git / blobdiff