'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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var vue = require('vue');
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require('../../../utils/index.js');
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require('../../../constants/index.js');
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require('../../../hooks/index.js');
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var index = require('../../../hooks/use-namespace/index.js');
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var rand = require('../../../utils/rand.js');
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var aria = require('../../../constants/aria.js');
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var style = require('../../../utils/dom/style.js');
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const useDropdown = () => {
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const elDropdown = vue.inject("elDropdown", {});
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const _elDropdownSize = vue.computed(() => elDropdown == null ? void 0 : elDropdown.dropdownSize);
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return {
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elDropdown,
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_elDropdownSize
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};
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};
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const initDropdownDomEvent = (dropdownChildren, triggerElm, _instance) => {
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const ns = index.useNamespace("dropdown");
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const menuItems = vue.ref(null);
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const menuItemsArray = vue.ref(null);
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const dropdownElm = vue.ref(null);
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const listId = vue.ref(`dropdown-menu-${rand.generateId()}`);
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dropdownElm.value = dropdownChildren == null ? void 0 : dropdownChildren.subTree.el;
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function removeTabindex() {
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var _a;
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triggerElm.setAttribute("tabindex", "-1");
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(_a = menuItemsArray.value) == null ? void 0 : _a.forEach((item) => {
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item.setAttribute("tabindex", "-1");
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});
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}
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function resetTabindex(ele) {
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removeTabindex();
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ele == null ? void 0 : ele.setAttribute("tabindex", "0");
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}
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function handleTriggerKeyDown(ev) {
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const code = ev.code;
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if ([aria.EVENT_CODE.up, aria.EVENT_CODE.down].includes(code)) {
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removeTabindex();
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resetTabindex(menuItems.value[0]);
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menuItems.value[0].focus();
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ev.preventDefault();
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ev.stopPropagation();
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} else if (code === aria.EVENT_CODE.enter) {
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_instance.handleClick();
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} else if ([aria.EVENT_CODE.tab, aria.EVENT_CODE.esc].includes(code)) {
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_instance.hide();
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}
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}
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function handleItemKeyDown(ev) {
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const code = ev.code;
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const target = ev.target;
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const currentIndex = menuItemsArray.value.indexOf(target);
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const max = menuItemsArray.value.length - 1;
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let nextIndex;
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if ([aria.EVENT_CODE.up, aria.EVENT_CODE.down].includes(code)) {
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if (code === aria.EVENT_CODE.up) {
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nextIndex = currentIndex !== 0 ? currentIndex - 1 : 0;
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} else {
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nextIndex = currentIndex < max ? currentIndex + 1 : max;
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}
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removeTabindex();
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resetTabindex(menuItems.value[nextIndex]);
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menuItems.value[nextIndex].focus();
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ev.preventDefault();
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ev.stopPropagation();
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} else if (code === aria.EVENT_CODE.enter) {
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triggerElmFocus();
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target.click();
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if (_instance.props.hideOnClick) {
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_instance.hide();
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}
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} else if ([aria.EVENT_CODE.tab, aria.EVENT_CODE.esc].includes(code)) {
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_instance.hide();
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triggerElmFocus();
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}
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}
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function initAria() {
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dropdownElm.value.setAttribute("id", listId.value);
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triggerElm.setAttribute("aria-haspopup", "list");
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triggerElm.setAttribute("aria-controls", listId.value);
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if (!_instance.props.splitButton) {
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triggerElm.setAttribute("role", "button");
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triggerElm.setAttribute("tabindex", _instance.props.tabindex);
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style.addClass(triggerElm, ns.b("selfdefine"));
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}
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}
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function initEvent() {
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var _a;
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triggerElm == null ? void 0 : triggerElm.addEventListener("keydown", handleTriggerKeyDown);
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(_a = dropdownElm.value) == null ? void 0 : _a.addEventListener("keydown", handleItemKeyDown, true);
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}
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function initDomOperation() {
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menuItems.value = dropdownElm.value.querySelectorAll("[tabindex='-1']");
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menuItemsArray.value = Array.from(menuItems.value);
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initEvent();
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initAria();
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}
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function triggerElmFocus() {
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triggerElm.focus();
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}
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initDomOperation();
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};
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exports.initDropdownDomEvent = initDropdownDomEvent;
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exports.useDropdown = useDropdown;
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//# sourceMappingURL=useDropdown.js.map
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