62 lines
1.7 KiB
JavaScript
62 lines
1.7 KiB
JavaScript
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'use strict';
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exports.__esModule = true;
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var _ariaUtils = require('../aria-utils');
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var _ariaUtils2 = _interopRequireDefault(_ariaUtils);
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var _ariaSubmenu = require('./aria-submenu');
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var _ariaSubmenu2 = _interopRequireDefault(_ariaSubmenu);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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var MenuItem = function MenuItem(domNode) {
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this.domNode = domNode;
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this.submenu = null;
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this.init();
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};
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MenuItem.prototype.init = function () {
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this.domNode.setAttribute('tabindex', '0');
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var menuChild = this.domNode.querySelector('.el-menu');
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if (menuChild) {
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this.submenu = new _ariaSubmenu2.default(this, menuChild);
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}
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this.addListeners();
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};
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MenuItem.prototype.addListeners = function () {
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var _this = this;
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var keys = _ariaUtils2.default.keys;
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this.domNode.addEventListener('keydown', function (event) {
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var prevDef = false;
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switch (event.keyCode) {
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case keys.down:
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_ariaUtils2.default.triggerEvent(event.currentTarget, 'mouseenter');
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_this.submenu && _this.submenu.gotoSubIndex(0);
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prevDef = true;
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break;
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case keys.up:
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_ariaUtils2.default.triggerEvent(event.currentTarget, 'mouseenter');
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_this.submenu && _this.submenu.gotoSubIndex(_this.submenu.subMenuItems.length - 1);
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prevDef = true;
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break;
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case keys.tab:
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_ariaUtils2.default.triggerEvent(event.currentTarget, 'mouseleave');
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break;
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case keys.enter:
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case keys.space:
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prevDef = true;
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event.currentTarget.click();
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break;
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}
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if (prevDef) {
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event.preventDefault();
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}
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});
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};
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exports.default = MenuItem;
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