674 lines
25 KiB
Vue
Executable File
674 lines
25 KiB
Vue
Executable File
<template>
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<div :ref="containerRef" :id="id" :class="cx('root')" v-bind="ptmi('root')">
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<div v-if="$slots.start" :class="cx('start')" v-bind="ptm('start')">
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<slot name="start"></slot>
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</div>
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<slot :id="id" name="menubutton" :class="cx('menubutton')" :toggleCallback="(event) => menuButtonClick(event)">
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<a
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v-if="model && model.length > 0"
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ref="menubutton"
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role="button"
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tabindex="0"
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:class="cx('menubutton')"
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:aria-haspopup="model.length && model.length > 0 ? true : false"
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:aria-expanded="mobileActive"
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:aria-controls="id"
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:aria-label="$primevue.config.locale.aria?.navigation"
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@click="menuButtonClick($event)"
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@keydown="menuButtonKeydown($event)"
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v-bind="ptm('menubutton')"
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>
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<slot name="menubuttonicon">
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<BarsIcon v-bind="ptm('menubuttonicon')" />
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</slot>
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</a>
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</slot>
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<MegaMenuSub
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:ref="menubarRef"
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:id="id + '_list'"
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:tabindex="!disabled ? tabindex : -1"
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role="menubar"
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:aria-label="ariaLabel"
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:aria-labelledby="ariaLabelledby"
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:aria-disabled="disabled || undefined"
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:aria-orientation="orientation"
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:aria-activedescendant="focused ? focusedItemId : undefined"
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:menuId="id"
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:focusedItemId="focused ? focusedItemId : undefined"
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:items="processedItems"
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:horizontal="horizontal"
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:templates="$slots"
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:activeItem="activeItem"
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:mobileActive="mobileActive"
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:level="0"
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:pt="pt"
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:unstyled="unstyled"
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@focus="onFocus"
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@blur="onBlur"
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@keydown="onKeyDown"
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@item-click="onItemClick"
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@item-mouseenter="onItemMouseEnter"
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/>
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<div v-if="$slots.end" :class="cx('end')" v-bind="ptm('end')">
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<slot name="end"></slot>
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</div>
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</div>
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</template>
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<script>
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import BarsIcon from 'primevue/icons/bars';
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import { DomHandler, ObjectUtils, UniqueComponentId, ZIndexUtils } from 'primevue/utils';
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import BaseMegaMenu from './BaseMegaMenu.vue';
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import MegaMenuSub from './MegaMenuSub.vue';
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export default {
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name: 'MegaMenu',
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extends: BaseMegaMenu,
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inheritAttrs: false,
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emits: ['focus', 'blur'],
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outsideClickListener: null,
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resizeListener: null,
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matchMediaListener: null,
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container: null,
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menubar: null,
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searchTimeout: null,
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searchValue: null,
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data() {
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return {
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id: this.$attrs.id,
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mobileActive: false,
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focused: false,
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focusedItemInfo: { index: -1, key: '', parentKey: '' },
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activeItem: null,
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dirty: false,
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query: null,
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queryMatches: false
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};
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},
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watch: {
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'$attrs.id': function (newValue) {
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this.id = newValue || UniqueComponentId();
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},
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activeItem(newItem) {
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if (ObjectUtils.isNotEmpty(newItem)) {
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this.bindOutsideClickListener();
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this.bindResizeListener();
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} else {
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this.unbindOutsideClickListener();
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this.unbindResizeListener();
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}
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}
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},
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mounted() {
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this.id = this.id || UniqueComponentId();
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this.bindMatchMediaListener();
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},
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beforeUnmount() {
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this.mobileActive = false;
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this.unbindOutsideClickListener();
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this.unbindResizeListener();
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this.unbindMatchMediaListener();
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},
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methods: {
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getItemProp(item, name) {
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return item ? ObjectUtils.getItemValue(item[name]) : undefined;
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},
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getItemLabel(item) {
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return this.getItemProp(item, 'label');
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},
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isItemDisabled(item) {
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return this.getItemProp(item, 'disabled');
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},
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isItemGroup(item) {
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return ObjectUtils.isNotEmpty(this.getItemProp(item, 'items'));
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},
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isItemSeparator(item) {
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return this.getItemProp(item, 'separator');
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},
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getProccessedItemLabel(processedItem) {
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return processedItem ? this.getItemLabel(processedItem.item) : undefined;
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},
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isProccessedItemGroup(processedItem) {
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return processedItem && ObjectUtils.isNotEmpty(processedItem.items);
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},
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toggle(event) {
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if (this.mobileActive) {
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this.mobileActive = false;
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ZIndexUtils.clear(this.menubar);
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this.hide();
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} else {
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this.mobileActive = true;
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ZIndexUtils.set('menu', this.menubar, this.$primevue.config.zIndex.menu);
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setTimeout(() => {
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this.show();
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}, 1);
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}
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this.bindOutsideClickListener();
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event.preventDefault();
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},
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show() {
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this.focusedItemInfo = { index: this.findFirstFocusedItemIndex(), level: 0, parentKey: '' };
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DomHandler.focus(this.menubar);
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},
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hide(event, isFocus) {
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if (this.mobileActive) {
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this.mobileActive = false;
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setTimeout(() => {
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DomHandler.focus(this.$refs.menubutton);
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}, 0);
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}
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this.activeItem = null;
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this.focusedItemInfo = { index: -1, key: '', parentKey: '' };
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isFocus && DomHandler.focus(this.menubar);
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this.dirty = false;
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},
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onFocus(event) {
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this.focused = true;
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if (this.focusedItemInfo.index === -1) {
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const index = this.findFirstFocusedItemIndex();
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const processedItem = this.findVisibleItem(index);
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this.focusedItemInfo = { index, key: processedItem.key, parentKey: processedItem.parentKey };
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}
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this.$emit('focus', event);
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},
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onBlur(event) {
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this.focused = false;
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this.focusedItemInfo = { index: -1, key: '', parentKey: '' };
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this.searchValue = '';
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this.dirty = false;
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this.$emit('blur', event);
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},
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onKeyDown(event) {
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if (this.disabled) {
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event.preventDefault();
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return;
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}
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const metaKey = event.metaKey || event.ctrlKey;
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switch (event.code) {
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case 'ArrowDown':
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this.onArrowDownKey(event);
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break;
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case 'ArrowUp':
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this.onArrowUpKey(event);
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break;
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case 'ArrowLeft':
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this.onArrowLeftKey(event);
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break;
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case 'ArrowRight':
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this.onArrowRightKey(event);
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break;
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case 'Home':
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this.onHomeKey(event);
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break;
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case 'End':
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this.onEndKey(event);
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break;
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case 'Space':
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this.onSpaceKey(event);
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break;
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case 'Enter':
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case 'NumpadEnter':
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this.onEnterKey(event);
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break;
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case 'Escape':
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this.onEscapeKey(event);
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break;
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case 'Tab':
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this.onTabKey(event);
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break;
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case 'PageDown':
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case 'PageUp':
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case 'Backspace':
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case 'ShiftLeft':
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case 'ShiftRight':
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//NOOP
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break;
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default:
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if (!metaKey && ObjectUtils.isPrintableCharacter(event.key)) {
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this.searchItems(event, event.key);
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}
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break;
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}
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},
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onItemChange(event) {
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const { processedItem, isFocus } = event;
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if (ObjectUtils.isEmpty(processedItem)) return;
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const { index, key, parentKey, items } = processedItem;
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const grouped = ObjectUtils.isNotEmpty(items);
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grouped && (this.activeItem = processedItem);
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this.focusedItemInfo = { index, key, parentKey };
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grouped && (this.dirty = true);
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isFocus && DomHandler.focus(this.menubar);
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},
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onItemClick(event) {
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const { originalEvent, processedItem } = event;
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const grouped = this.isProccessedItemGroup(processedItem);
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const root = ObjectUtils.isEmpty(processedItem.parent);
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const selected = this.isSelected(processedItem);
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if (selected) {
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const { index, key, parentKey } = processedItem;
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this.activeItem = null;
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this.focusedItemInfo = { index, key, parentKey };
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this.dirty = !root;
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DomHandler.focus(this.menubar);
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} else {
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if (grouped) {
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this.onItemChange(event);
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} else {
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const rootProcessedItem = root ? processedItem : this.activeItem;
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this.hide(originalEvent);
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this.changeFocusedItemInfo(originalEvent, rootProcessedItem ? rootProcessedItem.index : -1);
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this.mobileActive = false;
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DomHandler.focus(this.menubar);
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}
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}
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},
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onItemMouseEnter(event) {
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if (!this.mobileActive && this.dirty) {
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this.onItemChange(event);
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}
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},
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menuButtonClick(event) {
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this.toggle(event);
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},
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menuButtonKeydown(event) {
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(event.code === 'Enter' || event.code === 'NumpadEnter' || event.code === 'Space') && this.menuButtonClick(event);
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},
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onArrowDownKey(event) {
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if (this.horizontal) {
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if (ObjectUtils.isNotEmpty(this.activeItem) && this.activeItem.key === this.focusedItemInfo.key) {
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this.focusedItemInfo = { index: -1, key: '', parentKey: this.activeItem.key };
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} else {
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const processedItem = this.findVisibleItem(this.focusedItemInfo.index);
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const grouped = this.isProccessedItemGroup(processedItem);
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if (grouped) {
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this.onItemChange({ originalEvent: event, processedItem });
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this.focusedItemInfo = { index: -1, key: processedItem.key, parentKey: processedItem.parentKey };
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this.searchValue = '';
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}
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}
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}
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const itemIndex = this.focusedItemInfo.index !== -1 ? this.findNextItemIndex(this.focusedItemInfo.index) : this.findFirstFocusedItemIndex();
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this.changeFocusedItemInfo(event, itemIndex);
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event.preventDefault();
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},
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onArrowUpKey(event) {
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if (event.altKey && this.horizontal) {
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if (this.focusedItemInfo.index !== -1) {
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const processedItem = this.findVisibleItem(this.focusedItemInfo.index);
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const grouped = this.isProccessedItemGroup(processedItem);
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if (!grouped && ObjectUtils.isNotEmpty(this.activeItem)) {
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if (this.focusedItemInfo.index === 0) {
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this.focusedItemInfo = { index: this.activeItem.index, key: this.activeItem.key, parentKey: this.activeItem.parentKey };
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this.activeItem = null;
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} else {
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this.changeFocusedItemInfo(event, this.findFirstItemIndex());
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}
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}
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}
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event.preventDefault();
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} else {
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const itemIndex = this.focusedItemInfo.index !== -1 ? this.findPrevItemIndex(this.focusedItemInfo.index) : this.findLastFocusedItemIndex();
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this.changeFocusedItemInfo(event, itemIndex);
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event.preventDefault();
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}
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},
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onArrowLeftKey(event) {
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const processedItem = this.findVisibleItem(this.focusedItemInfo.index);
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const grouped = this.isProccessedItemGroup(processedItem);
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if (grouped) {
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if (this.horizontal) {
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const itemIndex = this.focusedItemInfo.index !== -1 ? this.findPrevItemIndex(this.focusedItemInfo.index) : this.findLastFocusedItemIndex();
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this.changeFocusedItemInfo(event, itemIndex);
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}
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} else {
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if (this.vertical && ObjectUtils.isNotEmpty(this.activeItem)) {
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if (processedItem.columnIndex === 0) {
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this.focusedItemInfo = { index: this.activeItem.index, key: this.activeItem.key, parentKey: this.activeItem.parentKey };
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this.activeItem = null;
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}
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}
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const columnIndex = processedItem.columnIndex - 1;
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const itemIndex = this.visibleItems.findIndex((item) => item.columnIndex === columnIndex);
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itemIndex !== -1 && this.changeFocusedItemInfo(event, itemIndex);
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}
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event.preventDefault();
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},
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onArrowRightKey(event) {
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const processedItem = this.findVisibleItem(this.focusedItemInfo.index);
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const grouped = this.isProccessedItemGroup(processedItem);
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if (grouped) {
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if (this.vertical) {
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if (ObjectUtils.isNotEmpty(this.activeItem) && this.activeItem.key === processedItem.key) {
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this.focusedItemInfo = { index: -1, key: '', parentKey: this.activeItem.key };
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} else {
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const processedItem = this.findVisibleItem(this.focusedItemInfo.index);
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const grouped = this.isProccessedItemGroup(processedItem);
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if (grouped) {
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this.onItemChange({ originalEvent: event, processedItem });
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this.focusedItemInfo = { index: -1, key: processedItem.key, parentKey: processedItem.parentKey };
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this.searchValue = '';
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}
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}
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}
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const itemIndex = this.focusedItemInfo.index !== -1 ? this.findNextItemIndex(this.focusedItemInfo.index) : this.findFirstFocusedItemIndex();
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this.changeFocusedItemInfo(event, itemIndex);
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} else {
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const columnIndex = processedItem.columnIndex + 1;
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const itemIndex = this.visibleItems.findIndex((item) => item.columnIndex === columnIndex);
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itemIndex !== -1 && this.changeFocusedItemInfo(event, itemIndex);
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}
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event.preventDefault();
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},
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onHomeKey(event) {
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this.changeFocusedItemInfo(event, this.findFirstItemIndex());
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event.preventDefault();
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},
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onEndKey(event) {
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this.changeFocusedItemInfo(event, this.findLastItemIndex());
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event.preventDefault();
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},
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onEnterKey(event) {
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if (this.focusedItemInfo.index !== -1) {
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const element = DomHandler.findSingle(this.menubar, `li[id="${`${this.focusedItemId}`}"]`);
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const anchorElement = element && DomHandler.findSingle(element, 'a[data-pc-section="action"]');
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anchorElement ? anchorElement.click() : element && element.click();
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const processedItem = this.visibleItems[this.focusedItemInfo.index];
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const grouped = this.isProccessedItemGroup(processedItem);
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!grouped && this.changeFocusedItemInfo(event, this.findFirstFocusedItemIndex());
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}
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event.preventDefault();
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},
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onSpaceKey(event) {
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this.onEnterKey(event);
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},
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onEscapeKey(event) {
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if (ObjectUtils.isNotEmpty(this.activeItem)) {
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this.focusedItemInfo = { index: this.activeItem.index, key: this.activeItem.key };
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this.activeItem = null;
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}
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event.preventDefault();
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},
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onTabKey(event) {
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if (this.focusedItemInfo.index !== -1) {
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const processedItem = this.findVisibleItem(this.focusedItemInfo.index);
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const grouped = this.isProccessedItemGroup(processedItem);
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!grouped && this.onItemChange({ originalEvent: event, processedItem });
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}
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this.hide();
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},
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bindOutsideClickListener() {
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if (!this.outsideClickListener) {
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this.outsideClickListener = (event) => {
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const isOutsideContainer = this.container && !this.container.contains(event.target);
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const isOutsideTarget = !(this.target && (this.target === event.target || this.target.contains(event.target)));
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if (isOutsideContainer && isOutsideTarget) {
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this.hide();
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}
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};
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document.addEventListener('click', this.outsideClickListener);
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}
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},
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unbindOutsideClickListener() {
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if (this.outsideClickListener) {
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document.removeEventListener('click', this.outsideClickListener);
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this.outsideClickListener = null;
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}
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},
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bindResizeListener() {
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if (!this.resizeListener) {
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this.resizeListener = (event) => {
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if (!DomHandler.isTouchDevice()) {
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this.hide(event, true);
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}
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this.mobileActive = false;
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};
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window.addEventListener('resize', this.resizeListener);
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}
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},
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unbindResizeListener() {
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if (this.resizeListener) {
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window.removeEventListener('resize', this.resizeListener);
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this.resizeListener = null;
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}
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},
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bindMatchMediaListener() {
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if (!this.matchMediaListener) {
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const query = matchMedia(`(max-width: ${this.breakpoint})`);
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this.query = query;
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this.queryMatches = query.matches;
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this.matchMediaListener = () => {
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this.queryMatches = query.matches;
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this.mobileActive = false;
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};
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this.query.addEventListener('change', this.matchMediaListener);
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}
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},
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unbindMatchMediaListener() {
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if (this.matchMediaListener) {
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this.query.removeEventListener('change', this.matchMediaListener);
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this.matchMediaListener = null;
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}
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},
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isItemMatched(processedItem) {
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return this.isValidItem(processedItem) && this.getProccessedItemLabel(processedItem)?.toLocaleLowerCase().startsWith(this.searchValue.toLocaleLowerCase());
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},
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isValidItem(processedItem) {
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return !!processedItem && !this.isItemDisabled(processedItem.item) && !this.isItemSeparator(processedItem.item);
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},
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isValidSelectedItem(processedItem) {
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return this.isValidItem(processedItem) && this.isSelected(processedItem);
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},
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isSelected(processedItem) {
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return ObjectUtils.isNotEmpty(this.activeItem) ? this.activeItem.key === processedItem.key : false;
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},
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findFirstItemIndex() {
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return this.visibleItems.findIndex((processedItem) => this.isValidItem(processedItem));
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},
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findLastItemIndex() {
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|
return ObjectUtils.findLastIndex(this.visibleItems, (processedItem) => this.isValidItem(processedItem));
|
|
},
|
|
findNextItemIndex(index) {
|
|
const matchedItemIndex = index < this.visibleItems.length - 1 ? this.visibleItems.slice(index + 1).findIndex((processedItem) => this.isValidItem(processedItem)) : -1;
|
|
|
|
return matchedItemIndex > -1 ? matchedItemIndex + index + 1 : index;
|
|
},
|
|
findPrevItemIndex(index) {
|
|
const matchedItemIndex = index > 0 ? ObjectUtils.findLastIndex(this.visibleItems.slice(0, index), (processedItem) => this.isValidItem(processedItem)) : -1;
|
|
|
|
return matchedItemIndex > -1 ? matchedItemIndex : index;
|
|
},
|
|
findSelectedItemIndex() {
|
|
return this.visibleItems.findIndex((processedItem) => this.isValidSelectedItem(processedItem));
|
|
},
|
|
findFirstFocusedItemIndex() {
|
|
const selectedIndex = this.findSelectedItemIndex();
|
|
|
|
return selectedIndex < 0 ? this.findFirstItemIndex() : selectedIndex;
|
|
},
|
|
findLastFocusedItemIndex() {
|
|
const selectedIndex = this.findSelectedItemIndex();
|
|
|
|
return selectedIndex < 0 ? this.findLastItemIndex() : selectedIndex;
|
|
},
|
|
findVisibleItem(index) {
|
|
return ObjectUtils.isNotEmpty(this.visibleItems) ? this.visibleItems[index] : null;
|
|
},
|
|
searchItems(event, char) {
|
|
this.searchValue = (this.searchValue || '') + char;
|
|
|
|
let itemIndex = -1;
|
|
let matched = false;
|
|
|
|
if (this.focusedItemInfo.index !== -1) {
|
|
itemIndex = this.visibleItems.slice(this.focusedItemInfo.index).findIndex((processedItem) => this.isItemMatched(processedItem));
|
|
itemIndex = itemIndex === -1 ? this.visibleItems.slice(0, this.focusedItemInfo.index).findIndex((processedItem) => this.isItemMatched(processedItem)) : itemIndex + this.focusedItemInfo.index;
|
|
} else {
|
|
itemIndex = this.visibleItems.findIndex((processedItem) => this.isItemMatched(processedItem));
|
|
}
|
|
|
|
if (itemIndex !== -1) {
|
|
matched = true;
|
|
}
|
|
|
|
if (itemIndex === -1 && this.focusedItemInfo.index === -1) {
|
|
itemIndex = this.findFirstFocusedItemIndex();
|
|
}
|
|
|
|
if (itemIndex !== -1) {
|
|
this.changeFocusedItemInfo(event, itemIndex);
|
|
}
|
|
|
|
if (this.searchTimeout) {
|
|
clearTimeout(this.searchTimeout);
|
|
}
|
|
|
|
this.searchTimeout = setTimeout(() => {
|
|
this.searchValue = '';
|
|
this.searchTimeout = null;
|
|
}, 500);
|
|
|
|
return matched;
|
|
},
|
|
changeFocusedItemInfo(event, index) {
|
|
const processedItem = this.findVisibleItem(index);
|
|
|
|
this.focusedItemInfo.index = index;
|
|
this.focusedItemInfo.key = ObjectUtils.isNotEmpty(processedItem) ? processedItem.key : '';
|
|
this.scrollInView();
|
|
},
|
|
scrollInView(index = -1) {
|
|
const id = index !== -1 ? `${this.id}_${index}` : this.focusedItemId;
|
|
const element = DomHandler.findSingle(this.menubar, `li[id="${id}"]`);
|
|
|
|
if (element) {
|
|
element.scrollIntoView && element.scrollIntoView({ block: 'nearest', inline: 'start' });
|
|
}
|
|
},
|
|
createProcessedItems(items, level = 0, parent = {}, parentKey = '', columnIndex) {
|
|
const processedItems = [];
|
|
|
|
items &&
|
|
items.forEach((item, index) => {
|
|
const key = (parentKey !== '' ? parentKey + '_' : '') + (columnIndex !== undefined ? columnIndex + '_' : '') + index;
|
|
const newItem = {
|
|
item,
|
|
index,
|
|
level,
|
|
key,
|
|
parent,
|
|
parentKey,
|
|
columnIndex: columnIndex !== undefined ? columnIndex : parent.columnIndex !== undefined ? parent.columnIndex : index
|
|
};
|
|
|
|
newItem['items'] =
|
|
level === 0 && item.items && item.items.length > 0 ? item.items.map((_items, _index) => this.createProcessedItems(_items, level + 1, newItem, key, _index)) : this.createProcessedItems(item.items, level + 1, newItem, key);
|
|
processedItems.push(newItem);
|
|
});
|
|
|
|
return processedItems;
|
|
},
|
|
containerRef(el) {
|
|
this.container = el;
|
|
},
|
|
menubarRef(el) {
|
|
this.menubar = el ? el.$el : undefined;
|
|
}
|
|
},
|
|
computed: {
|
|
processedItems() {
|
|
return this.createProcessedItems(this.model || []);
|
|
},
|
|
visibleItems() {
|
|
const processedItem = ObjectUtils.isNotEmpty(this.activeItem) ? this.activeItem : null;
|
|
|
|
return processedItem && processedItem.key === this.focusedItemInfo.parentKey
|
|
? processedItem.items.reduce((items, col) => {
|
|
col.forEach((submenu) => {
|
|
submenu.items.forEach((a) => {
|
|
items.push(a);
|
|
});
|
|
});
|
|
|
|
return items;
|
|
}, [])
|
|
: this.processedItems;
|
|
},
|
|
horizontal() {
|
|
return this.orientation === 'horizontal';
|
|
},
|
|
vertical() {
|
|
return this.orientation === 'vertical';
|
|
},
|
|
focusedItemId() {
|
|
return ObjectUtils.isNotEmpty(this.focusedItemInfo.key) ? `${this.id}_${this.focusedItemInfo.key}` : null;
|
|
}
|
|
},
|
|
components: {
|
|
MegaMenuSub: MegaMenuSub,
|
|
BarsIcon: BarsIcon
|
|
}
|
|
};
|
|
</script>
|