element-nice-ui
Version:
A Component Library for Vue.js.
52 lines (51 loc) • 1.65 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _ariaUtils = _interopRequireDefault(require("../aria-utils"));
var _ariaSubmenu = _interopRequireDefault(require("./aria-submenu"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
const MenuItem = function MenuItem(domNode) {
this.domNode = domNode;
this.submenu = null;
this.init();
};
MenuItem.prototype.init = function () {
this.domNode.setAttribute('tabindex', '0');
let menuChild = this.domNode.querySelector('.el-menu');
if (menuChild) {
this.submenu = new _ariaSubmenu.default(this, menuChild);
}
this.addListeners();
};
MenuItem.prototype.addListeners = function () {
const keys = _ariaUtils.default.keys;
this.domNode.addEventListener('keydown', event => {
let prevDef = false;
switch (event.keyCode) {
case keys.down:
_ariaUtils.default.triggerEvent(event.currentTarget, 'mouseenter');
this.submenu && this.submenu.gotoSubIndex(0);
prevDef = true;
break;
case keys.up:
_ariaUtils.default.triggerEvent(event.currentTarget, 'mouseenter');
this.submenu && this.submenu.gotoSubIndex(this.submenu.subMenuItems.length - 1);
prevDef = true;
break;
case keys.tab:
_ariaUtils.default.triggerEvent(event.currentTarget, 'mouseleave');
break;
case keys.enter:
case keys.space:
prevDef = true;
event.currentTarget.click();
break;
}
if (prevDef) {
event.preventDefault();
}
});
};
var _default = exports.default = MenuItem;