element-plus
Version:
> TODO: description
57 lines (56 loc) • 1.99 kB
JavaScript
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const aria_1 = require("../aria");
const submenu_1 = __importDefault(require("./submenu"));
class MenuItem {
constructor(domNode) {
this.domNode = domNode;
this.submenu = null;
this.submenu = null;
this.init();
}
init() {
this.domNode.setAttribute('tabindex', '0');
const menuChild = this.domNode.querySelector('.el-menu');
if (menuChild) {
this.submenu = new submenu_1.default(this, menuChild);
}
this.addListeners();
}
addListeners() {
this.domNode.addEventListener('keydown', (event) => {
let prevDef = false;
switch (event.code) {
case aria_1.EVENT_CODE.down: {
aria_1.triggerEvent(event.currentTarget, 'mouseenter');
this.submenu && this.submenu.gotoSubIndex(0);
prevDef = true;
break;
}
case aria_1.EVENT_CODE.up: {
aria_1.triggerEvent(event.currentTarget, 'mouseenter');
this.submenu && this.submenu.gotoSubIndex(this.submenu.subMenuItems.length - 1);
prevDef = true;
break;
}
case aria_1.EVENT_CODE.tab: {
aria_1.triggerEvent(event.currentTarget, 'mouseleave');
break;
}
case aria_1.EVENT_CODE.enter:
case aria_1.EVENT_CODE.space: {
prevDef = true;
event.currentTarget.click();
break;
}
}
if (prevDef) {
event.preventDefault();
}
});
}
}
exports.default = MenuItem;