element-plus
Version:
A Component Library for Vue 3
61 lines (59 loc) • 1.61 kB
JavaScript
import { triggerEvent } from "../../../../utils/dom/aria.mjs";
import { EVENT_CODE } from "../../../../constants/aria.mjs";
import { getEventCode } from "../../../../utils/dom/event.mjs";
//#region ../../packages/components/menu/src/utils/submenu.ts
var SubMenu = class {
constructor(parent, domNode) {
this.parent = parent;
this.domNode = domNode;
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;
});
});
}
};
//#endregion
export { SubMenu as default };
//# sourceMappingURL=submenu.mjs.map