700 lines
24 KiB
Vue
Executable File
700 lines
24 KiB
Vue
Executable File
<template>
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<Portal :appendTo="appendTo" :disabled="!popup">
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<transition name="p-connected-overlay" @enter="onEnter" @after-enter="onAfterEnter" @leave="onLeave" @after-leave="onAfterLeave">
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<div v-if="visible" :ref="containerRef" :id="id" :class="containerClass" @click="onOverlayClick" v-bind="$attrs">
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<TieredMenuSub
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:ref="menubarRef"
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:id="id + '_list'"
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class="p-tieredmenu-root-list"
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:tabindex="!disabled ? tabindex : -1"
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role="menubar"
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:aria-label="ariaLabel"
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:aria-labelledby="ariaLabelledby"
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:aria-disabled="disabled || undefined"
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aria-orientation="vertical"
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:aria-activedescendant="focused ? focusedItemId : undefined"
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:menuId="id"
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:focusedItemId="focused ? focusedItemId : undefined"
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:items="processedItems"
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:template="$slots.item"
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:activeItemPath="activeItemPath"
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:exact="exact"
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:level="0"
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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>
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</transition>
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</Portal>
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</template>
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<script>
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import OverlayEventBus from 'primevue/overlayeventbus';
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import Portal from 'primevue/portal';
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import { ConnectedOverlayScrollHandler, DomHandler, ObjectUtils, UniqueComponentId, ZIndexUtils } from 'primevue/utils';
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import TieredMenuSub from './TieredMenuSub.vue';
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export default {
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name: 'TieredMenu',
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inheritAttrs: false,
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emits: ['focus', 'blur', 'before-show', 'before-hide', 'hide', 'show'],
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props: {
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popup: {
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type: Boolean,
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default: false
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},
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model: {
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type: Array,
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default: null
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},
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appendTo: {
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type: String,
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default: 'body'
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},
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autoZIndex: {
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type: Boolean,
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default: true
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},
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baseZIndex: {
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type: Number,
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default: 0
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},
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exact: {
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type: Boolean,
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default: true
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},
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disabled: {
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type: Boolean,
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default: false
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},
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tabindex: {
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type: Number,
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default: 0
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},
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'aria-labelledby': {
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type: String,
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default: null
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},
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'aria-label': {
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type: String,
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default: null
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}
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},
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outsideClickListener: null,
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scrollHandler: null,
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resizeListener: null,
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target: 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.$attrs.id,
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focused: false,
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focusedItemInfo: { index: -1, level: 0, parentKey: '' },
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activeItemPath: [],
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visible: !this.popup,
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dirty: false
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};
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},
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watch: {
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'$attrs.id': function (newValue) {
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this.id = newValue || UniqueComponentId();
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},
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activeItemPath(newPath) {
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if (!this.popup) {
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if (ObjectUtils.isNotEmpty(newPath)) {
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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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},
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mounted() {
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this.id = this.id || UniqueComponentId();
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},
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beforeUnmount() {
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this.unbindOutsideClickListener();
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this.unbindResizeListener();
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if (this.scrollHandler) {
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this.scrollHandler.destroy();
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this.scrollHandler = null;
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}
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if (this.container && this.autoZIndex) {
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ZIndexUtils.clear(this.container);
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}
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this.target = null;
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this.container = null;
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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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this.visible ? this.hide(event, true) : this.show(event);
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},
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show(event, isFocus) {
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if (this.popup) {
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this.$emit('before-show');
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this.visible = true;
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this.target = this.target || event.currentTarget;
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this.relatedTarget = event.relatedTarget || null;
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}
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this.focusedItemInfo = { index: this.findFirstFocusedItemIndex(), level: 0, parentKey: '' };
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isFocus && DomHandler.focus(this.menubar);
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},
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hide(event, isFocus) {
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if (this.popup) {
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this.$emit('before-hide');
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this.visible = false;
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}
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this.activeItemPath = [];
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this.focusedItemInfo = { index: -1, level: 0, parentKey: '' };
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isFocus && DomHandler.focus(this.relatedTarget || this.target || 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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this.focusedItemInfo = this.focusedItemInfo.index !== -1 ? this.focusedItemInfo : { index: this.findFirstFocusedItemIndex(), level: 0, parentKey: '' };
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this.$emit('focus', event);
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},
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onBlur(event) {
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this.focused = false;
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this.focusedItemInfo = { index: -1, level: 0, parentKey: '' };
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this.searchValue = '';
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this.dirty = false;
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this.$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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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, level, parentKey, items } = processedItem;
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const grouped = ObjectUtils.isNotEmpty(items);
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const activeItemPath = this.activeItemPath.filter((p) => p.parentKey !== parentKey && p.parentKey !== key);
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grouped && activeItemPath.push(processedItem);
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this.focusedItemInfo = { index, level, parentKey };
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this.activeItemPath = activeItemPath;
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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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onOverlayClick(event) {
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OverlayEventBus.emit('overlay-click', {
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originalEvent: event,
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target: this.target
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});
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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, level, parentKey } = processedItem;
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this.activeItemPath = this.activeItemPath.filter((p) => key !== p.key && key.startsWith(p.key));
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this.focusedItemInfo = { index, level, 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.activeItemPath.find((p) => p.parentKey === '');
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this.hide(originalEvent);
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this.changeFocusedItemIndex(originalEvent, rootProcessedItem ? rootProcessedItem.index : -1);
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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.dirty) {
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this.onItemChange(event);
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}
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},
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onArrowDownKey(event) {
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const itemIndex = this.focusedItemInfo.index !== -1 ? this.findNextItemIndex(this.focusedItemInfo.index) : this.findFirstFocusedItemIndex();
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this.changeFocusedItemIndex(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) {
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if (this.focusedItemInfo.index !== -1) {
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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.onItemChange({ originalEvent: event, processedItem });
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}
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this.popup && this.hide(event, true);
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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.changeFocusedItemIndex(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.visibleItems[this.focusedItemInfo.index];
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const parentItem = this.activeItemPath.find((p) => p.key === processedItem.parentKey);
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const root = ObjectUtils.isEmpty(processedItem.parent);
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if (!root) {
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this.focusedItemInfo = { index: -1, parentKey: parentItem ? parentItem.parentKey : '' };
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this.searchValue = '';
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this.onArrowDownKey(event);
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}
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this.activeItemPath = this.activeItemPath.filter((p) => p.parentKey !== this.focusedItemInfo.parentKey);
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event.preventDefault();
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},
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onArrowRightKey(event) {
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const processedItem = this.visibleItems[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, parentKey: processedItem.key };
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this.searchValue = '';
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this.onArrowDownKey(event);
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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.changeFocusedItemIndex(event, this.findFirstItemIndex());
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event.preventDefault();
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},
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onEndKey(event) {
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this.changeFocusedItemIndex(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, '.p-menuitem-link');
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anchorElement ? anchorElement.click() : element && element.click();
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if (!this.popup) {
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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.focusedItemInfo.index = this.findFirstFocusedItemIndex());
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}
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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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this.hide(event, true);
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!this.popup && (this.focusedItemInfo.index = this.findFirstFocusedItemIndex());
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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.visibleItems[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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onEnter(el) {
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if (this.autoZIndex) {
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ZIndexUtils.set('menu', el, this.baseZIndex + this.$primevue.config.zIndex.menu);
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}
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this.alignOverlay();
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DomHandler.focus(this.menubar);
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this.scrollInView();
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},
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onAfterEnter() {
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this.bindOutsideClickListener();
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this.bindScrollListener();
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this.bindResizeListener();
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this.$emit('show');
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},
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onLeave() {
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this.unbindOutsideClickListener();
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this.unbindScrollListener();
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this.unbindResizeListener();
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this.$emit('hide');
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this.container = null;
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this.dirty = false;
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},
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onAfterLeave(el) {
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if (this.autoZIndex) {
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ZIndexUtils.clear(el);
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}
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},
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alignOverlay() {
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this.container.style.minWidth = DomHandler.getOuterWidth(this.target) + 'px';
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DomHandler.absolutePosition(this.container, this.target);
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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.popup ? !(this.target && (this.target === event.target || this.target.contains(event.target))) : true;
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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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bindScrollListener() {
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if (!this.scrollHandler) {
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this.scrollHandler = new ConnectedOverlayScrollHandler(this.target, (event) => {
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this.hide(event, true);
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});
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}
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this.scrollHandler.bindScrollListener();
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},
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unbindScrollListener() {
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if (this.scrollHandler) {
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this.scrollHandler.unbindScrollListener();
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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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};
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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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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 this.activeItemPath.some((p) => p.key === processedItem.key);
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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));
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},
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findNextItemIndex(index) {
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const matchedItemIndex = index < this.visibleItems.length - 1 ? this.visibleItems.slice(index + 1).findIndex((processedItem) => this.isValidItem(processedItem)) : -1;
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return matchedItemIndex > -1 ? matchedItemIndex + index + 1 : index;
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},
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findPrevItemIndex(index) {
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const matchedItemIndex = index > 0 ? ObjectUtils.findLastIndex(this.visibleItems.slice(0, index), (processedItem) => this.isValidItem(processedItem)) : -1;
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return matchedItemIndex > -1 ? matchedItemIndex : index;
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},
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findSelectedItemIndex() {
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return this.visibleItems.findIndex((processedItem) => this.isValidSelectedItem(processedItem));
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},
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findFirstFocusedItemIndex() {
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const selectedIndex = this.findSelectedItemIndex();
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return selectedIndex < 0 ? this.findFirstItemIndex() : selectedIndex;
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},
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findLastFocusedItemIndex() {
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const selectedIndex = this.findSelectedItemIndex();
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return selectedIndex < 0 ? this.findLastItemIndex() : selectedIndex;
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},
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searchItems(event, char) {
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this.searchValue = (this.searchValue || '') + char;
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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.changeFocusedItemIndex(event, itemIndex);
|
|
}
|
|
|
|
if (this.searchTimeout) {
|
|
clearTimeout(this.searchTimeout);
|
|
}
|
|
|
|
this.searchTimeout = setTimeout(() => {
|
|
this.searchValue = '';
|
|
this.searchTimeout = null;
|
|
}, 500);
|
|
|
|
return matched;
|
|
},
|
|
changeFocusedItemIndex(event, index) {
|
|
if (this.focusedItemInfo.index !== index) {
|
|
this.focusedItemInfo.index = index;
|
|
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 = '') {
|
|
const processedItems = [];
|
|
|
|
items &&
|
|
items.forEach((item, index) => {
|
|
const key = (parentKey !== '' ? parentKey + '_' : '') + index;
|
|
const newItem = {
|
|
item,
|
|
index,
|
|
level,
|
|
key,
|
|
parent,
|
|
parentKey
|
|
};
|
|
|
|
newItem['items'] = this.createProcessedItems(item.items, level + 1, newItem, key);
|
|
processedItems.push(newItem);
|
|
});
|
|
|
|
return processedItems;
|
|
},
|
|
containerRef(el) {
|
|
this.container = el;
|
|
},
|
|
menubarRef(el) {
|
|
this.menubar = el ? el.$el : undefined;
|
|
}
|
|
},
|
|
computed: {
|
|
containerClass() {
|
|
return [
|
|
'p-tieredmenu p-component',
|
|
{
|
|
'p-tieredmenu-overlay': this.popup,
|
|
'p-input-filled': this.$primevue.config.inputStyle === 'filled',
|
|
'p-ripple-disabled': this.$primevue.config.ripple === false
|
|
}
|
|
];
|
|
},
|
|
processedItems() {
|
|
return this.createProcessedItems(this.model || []);
|
|
},
|
|
visibleItems() {
|
|
const processedItem = this.activeItemPath.find((p) => p.key === this.focusedItemInfo.parentKey);
|
|
|
|
return processedItem ? processedItem.items : this.processedItems;
|
|
},
|
|
focusedItemId() {
|
|
return this.focusedItemInfo.index !== -1 ? `${this.id}${ObjectUtils.isNotEmpty(this.focusedItemInfo.parentKey) ? '_' + this.focusedItemInfo.parentKey : ''}_${this.focusedItemInfo.index}` : null;
|
|
}
|
|
},
|
|
components: {
|
|
TieredMenuSub: TieredMenuSub,
|
|
Portal: Portal
|
|
}
|
|
};
|
|
</script>
|
|
|
|
<style>
|
|
.p-tieredmenu-overlay {
|
|
position: absolute;
|
|
top: 0;
|
|
left: 0;
|
|
}
|
|
|
|
.p-tieredmenu ul {
|
|
margin: 0;
|
|
padding: 0;
|
|
list-style: none;
|
|
}
|
|
|
|
.p-tieredmenu .p-submenu-list {
|
|
position: absolute;
|
|
min-width: 100%;
|
|
z-index: 1;
|
|
display: none;
|
|
}
|
|
|
|
.p-tieredmenu .p-menuitem-link {
|
|
cursor: pointer;
|
|
display: flex;
|
|
align-items: center;
|
|
text-decoration: none;
|
|
overflow: hidden;
|
|
position: relative;
|
|
}
|
|
|
|
.p-tieredmenu .p-menuitem-text {
|
|
line-height: 1;
|
|
}
|
|
|
|
.p-tieredmenu .p-menuitem {
|
|
position: relative;
|
|
}
|
|
|
|
.p-tieredmenu .p-menuitem-link .p-submenu-icon {
|
|
margin-left: auto;
|
|
}
|
|
|
|
.p-tieredmenu .p-menuitem-active > .p-submenu-list {
|
|
display: block;
|
|
left: 100%;
|
|
top: 0;
|
|
}
|
|
</style>
|