element-plus
Version:
A Component Library for Vue 3
71 lines (68 loc) • 2.15 kB
JavaScript
import { triggerEvent } from '../../../../utils/dom/aria.mjs';
import { getEventCode } from '../../../../utils/dom/event.mjs';
import { EVENT_CODE } from '../../../../constants/aria.mjs';
var __defProp = Object.defineProperty;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __publicField = (obj, key, value) => __defNormalProp(obj, typeof key !== "symbol" ? key + "" : key, value);
class SubMenu {
constructor(parent, domNode) {
this.parent = parent;
this.domNode = domNode;
__publicField(this, "subMenuItems");
__publicField(this, "subIndex", 0);
this.subIndex = 0;
this.init();
}
init() {
this.subMenuItems = this.domNode.querySelectorAll("li");
this.addListeners();
}
gotoSubIndex(idx) {
if (idx === this.subMenuItems.length) {
idx = 0;
} else if (idx < 0) {
idx = this.subMenuItems.length - 1;
}
this.subMenuItems[idx].focus();
this.subIndex = idx;
}
addListeners() {
const parentNode = this.parent.domNode;
Array.prototype.forEach.call(this.subMenuItems, (el) => {
el.addEventListener("keydown", (event) => {
const code = getEventCode(event);
let prevDef = false;
switch (code) {
case EVENT_CODE.down: {
this.gotoSubIndex(this.subIndex + 1);
prevDef = true;
break;
}
case EVENT_CODE.up: {
this.gotoSubIndex(this.subIndex - 1);
prevDef = true;
break;
}
case EVENT_CODE.tab: {
triggerEvent(parentNode, "mouseleave");
break;
}
case EVENT_CODE.enter:
case EVENT_CODE.numpadEnter:
case EVENT_CODE.space: {
prevDef = true;
event.currentTarget.click();
break;
}
}
if (prevDef) {
event.preventDefault();
event.stopPropagation();
}
return false;
});
});
}
}
export { SubMenu as default };
//# sourceMappingURL=submenu.mjs.map