301 lines
12 KiB
Vue
301 lines
12 KiB
Vue
<template>
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<div :id="id" class="p-panelmenu p-component">
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<template v-for="(item, index) of model" :key="getPanelKey(index)">
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<div v-if="isItemVisible(item)" :style="getItemProp(item, 'style')" :class="getPanelClass(item)">
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<div
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:id="getHeaderId(index)"
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:class="getHeaderClass(item)"
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:tabindex="isItemDisabled(item) ? -1 : tabindex"
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role="button"
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:aria-label="getItemLabel(item)"
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:aria-expanded="isItemActive(item)"
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:aria-controls="getContentId(index)"
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:aria-disabled="isItemDisabled(item)"
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@click="onHeaderClick($event, item)"
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@keydown="onHeaderKeyDown($event, item)"
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>
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<div class="p-panelmenu-header-content">
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<template v-if="!$slots.item">
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<router-link v-if="getItemProp(item, 'to') && !isItemDisabled(item)" v-slot="{ navigate, href, isActive, isExactActive }" :to="getItemProp(item, 'to')" custom>
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<a :href="href" :class="getHeaderActionClass(item, { isActive, isExactActive })" :tabindex="-1" @click="onHeaderActionClick($event, navigate)">
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<span v-if="getItemProp(item, 'icon')" :class="getHeaderIconClass(item)"></span>
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<span class="p-menuitem-text">{{ getItemLabel(item) }}</span>
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</a>
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</router-link>
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<a v-else :href="getItemProp(item, 'url')" :class="getHeaderActionClass(item)" :tabindex="-1">
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<span v-if="getItemProp(item, 'items')" :class="getHeaderToggleIconClass(item)"></span>
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<span v-if="getItemProp(item, 'icon')" :class="getHeaderIconClass(item)"></span>
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<span class="p-menuitem-text">{{ getItemLabel(item) }}</span>
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</a>
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</template>
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<component v-else :is="$slots.item" :item="item"></component>
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</div>
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</div>
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<transition name="p-toggleable-content">
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<div v-show="isItemActive(item)" :id="getContentId(index)" class="p-toggleable-content" role="region" :aria-labelledby="getHeaderId(index)">
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<div v-if="getItemProp(item, 'items')" class="p-panelmenu-content">
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<PanelMenuList :panelId="getPanelId(index)" :items="getItemProp(item, 'items')" :template="$slots.item" :expandedKeys="expandedKeys" @item-toggle="changeExpandedKeys" @header-focus="updateFocusedHeader" :exact="exact" />
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</div>
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</div>
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</transition>
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</div>
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</template>
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</div>
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</template>
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<script>
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import { DomHandler, ObjectUtils, UniqueComponentId } from 'primevue/utils';
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import PanelMenuList from './PanelMenuList.vue';
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export default {
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name: 'PanelMenu',
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emits: ['update:expandedKeys', 'panel-open', 'panel-close'],
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props: {
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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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expandedKeys: {
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type: Object,
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default: null
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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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tabindex: {
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type: Number,
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default: 0
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}
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},
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data() {
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return {
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id: this.$attrs.id,
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activeItem: null
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};
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},
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watch: {
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'$attrs.id': function (newValue) {
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this.id = newValue || UniqueComponentId();
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}
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},
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mounted() {
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this.id = this.id || UniqueComponentId();
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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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isItemActive(item) {
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return this.expandedKeys ? this.expandedKeys[this.getItemProp(item, 'key')] : ObjectUtils.equals(item, this.activeItem);
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},
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isItemVisible(item) {
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return this.getItemProp(item, 'visible') !== false;
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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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getPanelId(index) {
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return `${this.id}_${index}`;
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},
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getPanelKey(index) {
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return this.getPanelId(index);
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},
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getHeaderId(index) {
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return `${this.getPanelId(index)}_header`;
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},
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getContentId(index) {
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return `${this.getPanelId(index)}_content`;
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},
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onHeaderClick(event, item) {
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if (this.isItemDisabled(item)) {
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event.preventDefault();
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return;
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}
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if (item.command) {
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item.command({ originalEvent: event, item });
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}
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this.changeActiveItem(event, item);
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DomHandler.focus(event.currentTarget);
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},
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onHeaderKeyDown(event, item) {
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switch (event.code) {
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case 'ArrowDown':
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this.onHeaderArrowDownKey(event);
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break;
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case 'ArrowUp':
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this.onHeaderArrowUpKey(event);
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break;
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case 'Home':
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this.onHeaderHomeKey(event);
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break;
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case 'End':
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this.onHeaderEndKey(event);
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break;
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case 'Enter':
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case 'Space':
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this.onHeaderEnterKey(event, item);
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break;
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default:
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break;
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}
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},
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onHeaderArrowDownKey(event) {
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const rootList = DomHandler.hasClass(event.currentTarget, 'p-highlight') ? DomHandler.findSingle(event.currentTarget.nextElementSibling, '.p-panelmenu-root-list') : null;
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rootList ? DomHandler.focus(rootList) : this.updateFocusedHeader({ originalEvent: event, focusOnNext: true });
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event.preventDefault();
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},
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onHeaderArrowUpKey(event) {
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const prevHeader = this.findPrevHeader(event.currentTarget.parentElement) || this.findLastHeader();
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const rootList = DomHandler.hasClass(prevHeader, 'p-highlight') ? DomHandler.findSingle(prevHeader.nextElementSibling, '.p-panelmenu-root-list') : null;
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rootList ? DomHandler.focus(rootList) : this.updateFocusedHeader({ originalEvent: event, focusOnNext: false });
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event.preventDefault();
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},
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onHeaderHomeKey(event) {
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this.changeFocusedHeader(event, this.findFirstHeader());
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event.preventDefault();
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},
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onHeaderEndKey(event) {
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this.changeFocusedHeader(event, this.findLastHeader());
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event.preventDefault();
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},
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onHeaderEnterKey(event, item) {
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const headerAction = DomHandler.findSingle(event.currentTarget, '.p-panelmenu-header-action');
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headerAction ? headerAction.click() : this.onHeaderClick(event, item);
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event.preventDefault();
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},
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onHeaderActionClick(event, navigate) {
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navigate && navigate(event);
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},
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findNextHeader(panelElement, selfCheck = false) {
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const nextPanelElement = selfCheck ? panelElement : panelElement.nextElementSibling;
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const headerElement = DomHandler.findSingle(nextPanelElement, '.p-panelmenu-header');
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return headerElement ? (DomHandler.hasClass(headerElement, 'p-disabled') ? this.findNextHeader(headerElement.parentElement) : headerElement) : null;
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},
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findPrevHeader(panelElement, selfCheck = false) {
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const prevPanelElement = selfCheck ? panelElement : panelElement.previousElementSibling;
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const headerElement = DomHandler.findSingle(prevPanelElement, '.p-panelmenu-header');
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return headerElement ? (DomHandler.hasClass(headerElement, 'p-disabled') ? this.findPrevHeader(headerElement.parentElement) : headerElement) : null;
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},
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findFirstHeader() {
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return this.findNextHeader(this.$el.firstElementChild, true);
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},
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findLastHeader() {
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return this.findPrevHeader(this.$el.lastElementChild, true);
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},
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updateFocusedHeader(event) {
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const { originalEvent, focusOnNext, selfCheck } = event;
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const panelElement = originalEvent.currentTarget.closest('.p-panelmenu-panel');
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const header = selfCheck ? DomHandler.findSingle(panelElement, '.p-panelmenu-header') : focusOnNext ? this.findNextHeader(panelElement) : this.findPrevHeader(panelElement);
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header ? this.changeFocusedHeader(originalEvent, header) : focusOnNext ? this.onHeaderHomeKey(originalEvent) : this.onHeaderEndKey(originalEvent);
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},
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changeActiveItem(event, item, selfActive = false) {
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if (!this.isItemDisabled(item)) {
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const active = this.isItemActive(item);
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const eventName = !active ? 'panel-open' : 'panel-close';
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this.activeItem = selfActive ? item : this.activeItem && ObjectUtils.equals(item, this.activeItem) ? null : item;
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this.changeExpandedKeys({ item, expanded: !active });
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this.$emit(eventName, { originalEvent: event, item });
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}
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},
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changeExpandedKeys({ item, expanded = false }) {
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if (this.expandedKeys) {
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let _keys = { ...this.expandedKeys };
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if (expanded) _keys[item.key] = true;
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else delete _keys[item.key];
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this.$emit('update:expandedKeys', _keys);
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}
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},
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changeFocusedHeader(event, element) {
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element && DomHandler.focus(element);
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},
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getPanelClass(item) {
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return ['p-panelmenu-panel', this.getItemProp(item, 'class')];
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},
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getHeaderClass(item) {
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return [
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'p-panelmenu-header',
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this.getItemProp(item, 'headerClass'),
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{
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'p-highlight': this.isItemActive(item),
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'p-disabled': this.isItemDisabled(item)
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}
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];
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},
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getHeaderActionClass(item, routerProps) {
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return [
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'p-panelmenu-header-action',
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{
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'router-link-active': routerProps && routerProps.isActive,
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'router-link-active-exact': this.exact && routerProps && routerProps.isExactActive
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}
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];
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},
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getHeaderIconClass(item) {
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return ['p-menuitem-icon', this.getItemProp(item, 'icon')];
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},
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getHeaderToggleIconClass(item) {
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return ['p-submenu-icon', this.isItemActive(item) ? 'pi pi-chevron-down' : 'pi pi-chevron-right'];
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}
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},
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components: {
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PanelMenuList: PanelMenuList
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}
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};
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</script>
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<style>
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.p-panelmenu .p-panelmenu-header-action {
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display: flex;
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align-items: center;
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user-select: none;
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cursor: pointer;
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position: relative;
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text-decoration: none;
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}
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.p-panelmenu .p-panelmenu-header-action:focus {
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z-index: 1;
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}
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.p-panelmenu .p-submenu-list {
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margin: 0;
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padding: 0;
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list-style: none;
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}
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.p-panelmenu .p-menuitem-link {
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display: flex;
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align-items: center;
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user-select: none;
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cursor: pointer;
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text-decoration: none;
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position: relative;
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overflow: hidden;
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}
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.p-panelmenu .p-menuitem-text {
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line-height: 1;
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}
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</style>
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