open_node : function()

in optaplanner-docs/src/modules/ROOT/images/website/jstree/jstree.js [2637:2728]

• 73 lines of code
• 23 McCabe index (conditional complexity)

		open_node : function (obj, callback, animation) {
			var t1, t2, d, t;
			if($.isArray(obj)) {
				obj = obj.slice();
				for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
					this.open_node(obj[t1], callback, animation);
				}
				return true;
			}
			obj = this.get_node(obj);
			if(!obj || obj.id === $.jstree.root) {
				return false;
			}
			animation = animation === undefined ? this.settings.core.animation : animation;
			if(!this.is_closed(obj)) {
				if(callback) {
					callback.call(this, obj, false);
				}
				return false;
			}
			if(!this.is_loaded(obj)) {
				if(this.is_loading(obj)) {
					return setTimeout($.proxy(function () {
						this.open_node(obj, callback, animation);
					}, this), 500);
				}
				this.load_node(obj, function (o, ok) {
					return ok ? this.open_node(o, callback, animation) : (callback ? callback.call(this, o, false) : false);
				});
			}
			else {
				d = this.get_node(obj, true);
				t = this;
				if(d.length) {
					if(animation && d.children(".jstree-children").length) {
						d.children(".jstree-children").stop(true, true);
					}
					if(obj.children.length && !this._firstChild(d.children('.jstree-children')[0])) {
						this.draw_children(obj);
						//d = this.get_node(obj, true);
					}
					if(!animation) {
						this.trigger('before_open', { "node" : obj });
						d[0].className = d[0].className.replace('jstree-closed', 'jstree-open');
						d[0].setAttribute("aria-expanded", true);
					}
					else {
						this.trigger('before_open', { "node" : obj });
						d
							.children(".jstree-children").css("display","none").end()
							.removeClass("jstree-closed").addClass("jstree-open").attr("aria-expanded", true)
							.children(".jstree-children").stop(true, true)
								.slideDown(animation, function () {
									this.style.display = "";
									if (t.element) {
										t.trigger("after_open", { "node" : obj });
									}
								});
					}
				}
				obj.state.opened = true;
				if(callback) {
					callback.call(this, obj, true);
				}
				if(!d.length) {
					/**
					 * triggered when a node is about to be opened (if the node is supposed to be in the DOM, it will be, but it won't be visible yet)
					 * @event
					 * @name before_open.jstree
					 * @param {Object} node the opened node
					 */
					this.trigger('before_open', { "node" : obj });
				}
				/**
				 * triggered when a node is opened (if there is an animation it will not be completed yet)
				 * @event
				 * @name open_node.jstree
				 * @param {Object} node the opened node
				 */
				this.trigger('open_node', { "node" : obj });
				if(!animation || !d.length) {
					/**
					 * triggered when a node is opened and the animation is complete
					 * @event
					 * @name after_open.jstree
					 * @param {Object} node the opened node
					 */
					this.trigger("after_open", { "node" : obj });
				}
				return true;
			}
		},