$()

in optaplanner-docs/src/modules/ROOT/images/website/jstree/jstree.js [6501:6618]

• 100 lines of code
• 25 McCabe index (conditional complexity)

		$(function () {
			right_to_left = $("body").css("direction") === "rtl";
			var to = false;

			vakata_context.element = $("<ul class='vakata-context'></ul>");
			vakata_context.element
				.on("mouseenter", "li", function (e) {
					e.stopImmediatePropagation();

					if($.contains(this, e.relatedTarget)) {
						// премахнато заради delegate mouseleave по-долу
						// $(this).find(".vakata-context-hover").removeClass("vakata-context-hover");
						return;
					}

					if(to) { clearTimeout(to); }
					vakata_context.element.find(".vakata-context-hover").removeClass("vakata-context-hover").end();

					$(this)
						.siblings().find("ul").hide().end().end()
						.parentsUntil(".vakata-context", "li").addBack().addClass("vakata-context-hover");
					$.vakata.context._show_submenu(this);
				})
				// тестово - дали не натоварва?
				.on("mouseleave", "li", function (e) {
					if($.contains(this, e.relatedTarget)) { return; }
					$(this).find(".vakata-context-hover").addBack().removeClass("vakata-context-hover");
				})
				.on("mouseleave", function (e) {
					$(this).find(".vakata-context-hover").removeClass("vakata-context-hover");
					if($.vakata.context.settings.hide_onmouseleave) {
						to = setTimeout(
							(function (t) {
								return function () { $.vakata.context.hide(); };
							}(this)), $.vakata.context.settings.hide_onmouseleave);
					}
				})
				.on("click", "a", function (e) {
					e.preventDefault();
				//})
				//.on("mouseup", "a", function (e) {
					if(!$(this).blur().parent().hasClass("vakata-context-disabled") && $.vakata.context._execute($(this).attr("rel")) !== false) {
						$.vakata.context.hide();
					}
				})
				.on('keydown', 'a', function (e) {
						var o = null;
						switch(e.which) {
							case 13:
							case 32:
								e.type = "click";
								e.preventDefault();
								$(e.currentTarget).trigger(e);
								break;
							case 37:
								if(vakata_context.is_visible) {
									vakata_context.element.find(".vakata-context-hover").last().closest("li").first().find("ul").hide().find(".vakata-context-hover").removeClass("vakata-context-hover").end().end().children('a').focus();
									e.stopImmediatePropagation();
									e.preventDefault();
								}
								break;
							case 38:
								if(vakata_context.is_visible) {
									o = vakata_context.element.find("ul:visible").addBack().last().children(".vakata-context-hover").removeClass("vakata-context-hover").prevAll("li:not(.vakata-context-separator)").first();
									if(!o.length) { o = vakata_context.element.find("ul:visible").addBack().last().children("li:not(.vakata-context-separator)").last(); }
									o.addClass("vakata-context-hover").children('a').focus();
									e.stopImmediatePropagation();
									e.preventDefault();
								}
								break;
							case 39:
								if(vakata_context.is_visible) {
									vakata_context.element.find(".vakata-context-hover").last().children("ul").show().children("li:not(.vakata-context-separator)").removeClass("vakata-context-hover").first().addClass("vakata-context-hover").children('a').focus();
									e.stopImmediatePropagation();
									e.preventDefault();
								}
								break;
							case 40:
								if(vakata_context.is_visible) {
									o = vakata_context.element.find("ul:visible").addBack().last().children(".vakata-context-hover").removeClass("vakata-context-hover").nextAll("li:not(.vakata-context-separator)").first();
									if(!o.length) { o = vakata_context.element.find("ul:visible").addBack().last().children("li:not(.vakata-context-separator)").first(); }
									o.addClass("vakata-context-hover").children('a').focus();
									e.stopImmediatePropagation();
									e.preventDefault();
								}
								break;
							case 27:
								$.vakata.context.hide();
								e.preventDefault();
								break;
							default:
								//console.log(e.which);
								break;
						}
					})
				.on('keydown', function (e) {
					e.preventDefault();
					var a = vakata_context.element.find('.vakata-contextmenu-shortcut-' + e.which).parent();
					if(a.parent().not('.vakata-context-disabled')) {
						a.click();
					}
				});

			$(document)
				.on("mousedown.vakata.jstree", function (e) {
					if(vakata_context.is_visible && vakata_context.element[0] !== e.target  && !$.contains(vakata_context.element[0], e.target)) {
						$.vakata.context.hide();
					}
				})
				.on("context_show.vakata.jstree", function (e, data) {
					vakata_context.element.find("li:has(ul)").children("a").addClass("vakata-context-parent");
					if(right_to_left) {
						vakata_context.element.addClass("vakata-context-rtl").css("direction", "rtl");
					}
					// also apply a RTL class?
					vakata_context.element.find("ul").hide().end();
				});
		});