432 lines
14 KiB
Vue
432 lines
14 KiB
Vue
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<template>
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<div :class="containerClass">
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<div class="p-megamenu-start" v-if="$slots.start">
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<slot name="start"></slot>
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</div>
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<ul class="p-megamenu-root-list" role="menubar">
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<template v-for="(category,index) of model" :key="label(category) + '_' + index">
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<li v-if="visible(category)" :class="getCategoryClass(category)" :style="category.style"
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@mouseenter="onCategoryMouseEnter($event, category)" role="none">
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<template v-if="!$slots.item">
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<router-link v-if="category.to && !disabled(category)" :to="category.to" custom v-slot="{navigate, href, isActive, isExactActive}">
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<a :href="href" :class="linkClass(category, {isActive, isExactActive})" @click="onCategoryClick($event, category, navigate)" @keydown="onCategoryKeydown($event, category)" role="menuitem" v-ripple>
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<span v-if="category.icon" :class="getCategoryIcon(category)"></span>
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<span class="p-menuitem-text">{{label(category)}}</span>
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</a>
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</router-link>
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<a v-else :href="category.url" :class="linkClass(category)" :target="category.target" @click="onCategoryClick($event, category)" @keydown="onCategoryKeydown($event, category)"
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role="menuitem" :aria-haspopup="category.items != null" :aria-expanded="category === activeItem" :tabindex="disabled(category) ? null : '0'" v-ripple>
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<span v-if="category.icon" :class="getCategoryIcon(category)"></span>
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<span class="p-menuitem-text">{{label(category)}}</span>
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<span v-if="category.items" :class="getCategorySubMenuIcon()"></span>
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</a>
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</template>
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<component v-else :is="$slots.item" :item="category"></component>
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<div class="p-megamenu-panel" v-if="category.items">
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<div class="p-megamenu-grid">
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<div v-for="(column,columnIndex) of category.items" :key="label(category) + '_column_' + columnIndex" :class="getColumnClassName(category)">
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<ul v-for="(submenu,submenuIndex) of column" class="p-megamenu-submenu" :key="submenu.label + '_submenu_' + submenuIndex" role="menu">
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<li :class="getSubmenuHeaderClass(submenu)" :style="submenu.style" role="presentation">{{submenu.label}}</li>
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<template v-for="(item, i) of submenu.items" :key="label(item) + i.toString()">
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<li role="none" :class="getSubmenuItemClass(item)" :style="item.style" v-if="visible(item) && !item.separator">
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<template v-if="!$slots.item">
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<router-link v-if="item.to && !disabled(item)" :to="item.to" custom v-slot="{navigate, href, isActive, isExactActive}">
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<a :href="href" :class="linkClass(item, {isActive, isExactActive})" @click="onLeafClick($event, item, navigate)" role="menuitem" v-ripple>
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<span v-if="item.icon" :class="['p-menuitem-icon', item.icon]"></span>
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<span class="p-menuitem-text">{{label(item)}}</span>
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</a>
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</router-link>
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<a v-else :href="item.url" :class="linkClass(item)" :target="item.target" @click="onLeafClick($event, item)" role="menuitem" :tabindex="disabled(item) ? null : '0'" v-ripple>
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<span v-if="item.icon" :class="['p-menuitem-icon', item.icon]"></span>
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<span class="p-menuitem-text">{{label(item)}}</span>
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<span :class="getSubmenuIcon()" v-if="item.items"></span>
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</a>
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</template>
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<component v-else :is="$slots.item" :item="item"></component>
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</li>
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<li :class="['p-menu-separator', item.class]" :style="item.style" v-if="visible(item) && item.separator" :key="'separator' + i.toString()" role="separator"></li>
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</template>
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</ul>
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</div>
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</div>
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</div>
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</li>
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</template>
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</ul>
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<div class="p-megamenu-end" v-if="$slots.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 {DomHandler} from 'primevue/utils';
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import Ripple from 'primevue/ripple';
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export default {
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name: 'MegaMenu',
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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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orientation: {
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type: String,
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default: 'horizontal'
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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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},
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documentClickListener: null,
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data() {
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return {
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activeItem: null
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}
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},
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beforeUnmount() {
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this.unbindDocumentClickListener();
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},
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methods: {
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onLeafClick(event, item, navigate) {
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if (this.disabled(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({
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originalEvent: event,
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item: item
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});
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}
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this.activeItem = null;
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if (item.to && navigate) {
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navigate(event);
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}
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},
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onCategoryMouseEnter(event, category) {
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if (this.disabled(category)) {
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event.preventDefault();
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return;
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}
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if (this.activeItem) {
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this.activeItem = category;
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}
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},
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onCategoryClick(event, category, navigate) {
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if (this.disabled(category)) {
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event.preventDefault();
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return;
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}
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if (category.command) {
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category.command({
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originalEvent: event,
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item: category
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});
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}
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if (category.items) {
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if (this.activeItem && this.activeItem === category) {
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this.activeItem = null;
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this.unbindDocumentClickListener();
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}
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else {
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this.activeItem = category;
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this.bindDocumentClickListener();
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}
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}
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if (category.to && navigate) {
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navigate(event);
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}
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},
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onCategoryKeydown(event, category) {
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let listItem = event.currentTarget.parentElement;
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switch(event.which) {
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//down
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case 40:
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if (this.horizontal)
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this.expandMenu(category);
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else
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this.navigateToNextItem(listItem);
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event.preventDefault();
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break;
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//up
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case 38:
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if (this.vertical)
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this.navigateToPrevItem(listItem);
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else if (category.items && category === this.activeItem)
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this.collapseMenu();
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event.preventDefault();
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break;
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//right
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case 39:
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if (this.horizontal)
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this.navigateToNextItem(listItem);
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else
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this.expandMenu(category);
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event.preventDefault()
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break;
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//left
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case 37:
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if (this.horizontal)
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this.navigateToPrevItem(listItem);
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else if (category.items && category === this.activeItem)
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this.collapseMenu();
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event.preventDefault();
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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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expandMenu(item) {
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if (item.items) {
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this.activeItem = item;
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}
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},
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collapseMenu() {
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this.activeItem = null;
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},
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findNextItem(item) {
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let nextItem = item.nextElementSibling;
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if (nextItem)
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return DomHandler.hasClass(nextItem, 'p-disabled') || !DomHandler.hasClass(nextItem, 'p-menuitem') ? this.findNextItem(nextItem) : nextItem;
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else
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return null;
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},
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findPrevItem(item) {
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let prevItem = item.previousElementSibling;
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if (prevItem)
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return DomHandler.hasClass(prevItem, 'p-disabled') || !DomHandler.hasClass(prevItem, 'p-menuitem') ? this.findPrevItem(prevItem) : prevItem;
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else
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return null;
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},
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navigateToNextItem(listItem) {
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var nextItem = this.findNextItem(listItem);
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if (nextItem) {
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nextItem.children[0].focus();
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}
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},
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navigateToPrevItem(listItem) {
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var prevItem = this.findPrevItem(listItem);
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if (prevItem) {
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prevItem.children[0].focus();
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}
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},
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getCategoryClass(category) {
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return ['p-menuitem', {
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'p-menuitem-active': category === this.activeItem
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}, category.class];
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},
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getCategorySubMenuIcon() {
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return ['p-submenu-icon pi', {
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'pi-angle-down': this.horizontal,
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'pi-angle-right': this.vertical
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}];
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},
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getCategoryIcon(category) {
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return ['p-menuitem-icon', category.icon];
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},
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getColumnClassName(category) {
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let length = category.items ? category.items.length: 0;
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let columnClass;
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switch(length) {
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case 2:
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columnClass= 'p-megamenu-col-6';
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break;
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case 3:
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columnClass= 'p-megamenu-col-4';
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break;
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case 4:
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columnClass= 'p-megamenu-col-3';
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break;
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case 6:
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columnClass= 'p-megamenu-col-2';
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break;
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default:
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columnClass= 'p-megamenu-col-12';
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break;
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}
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return columnClass;
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},
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getSubmenuHeaderClass(submenu) {
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return ['p-megamenu-submenu-header', submenu.class, {'p-disabled': this.disabled(submenu)}];
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},
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getSubmenuItemClass(item) {
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return ['p-menuitem', item.class];
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},
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linkClass(item, routerProps) {
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return ['p-menuitem-link', {
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'p-disabled': this.disabled(item),
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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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bindDocumentClickListener() {
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if (!this.documentClickListener) {
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this.documentClickListener = (event) => {
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if (this.$el && !this.$el.contains(event.target)) {
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this.activeItem = null;
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this.unbindDocumentClickListener();
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}
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};
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document.addEventListener('click', this.documentClickListener);
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}
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},
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unbindDocumentClickListener() {
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if (this.documentClickListener) {
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document.removeEventListener('click', this.documentClickListener);
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this.documentClickListener = null;
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}
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},
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visible(item) {
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return (typeof item.visible === 'function' ? item.visible() : item.visible !== false);
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},
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disabled(item) {
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return (typeof item.disabled === 'function' ? item.disabled() : item.disabled);
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},
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label(item) {
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return (typeof item.disabled === 'function' ? item.label() : item.label);
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}
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},
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computed: {
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containerClass() {
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return ['p-megamenu p-component', {
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'p-megamenu-horizontal': this.horizontal,
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'p-megamenu-vertical': this.vertical
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}];
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},
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horizontal() {
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return this.orientation === 'horizontal';
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},
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vertical() {
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return this.orientation === 'vertical';
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}
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},
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directives: {
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'ripple': Ripple
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}
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}
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</script>
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<style>
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.p-megamenu-root-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-megamenu-root-list > .p-menuitem {
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position: relative;
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}
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.p-megamenu .p-menuitem-link {
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cursor: pointer;
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display: flex;
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align-items: center;
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text-decoration: none;
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overflow: hidden;
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position: relative;
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}
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.p-megamenu .p-menuitem-text {
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line-height: 1;
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}
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.p-megamenu-panel {
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display: none;
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position: absolute;
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width: auto;
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z-index: 1;
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}
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.p-megamenu-root-list > .p-menuitem-active > .p-megamenu-panel {
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display: block;
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}
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.p-megamenu-submenu {
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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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/* Horizontal */
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.p-megamenu-horizontal .p-megamenu-root-list {
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display: flex;
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align-items: center;
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flex-wrap: wrap;
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}
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/* Vertical */
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|
.p-megamenu-vertical .p-megamenu-root-list {
|
||
|
|
flex-direction: column;
|
||
|
|
}
|
||
|
|
|
||
|
|
.p-megamenu-vertical .p-megamenu-root-list > .p-menuitem-active > .p-megamenu-panel {
|
||
|
|
left: 100%;
|
||
|
|
top: 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
.p-megamenu-vertical .p-megamenu-root-list > .p-menuitem > .p-menuitem-link > .p-submenu-icon {
|
||
|
|
margin-left: auto;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
.p-megamenu-grid {
|
||
|
|
display: flex;
|
||
|
|
}
|
||
|
|
|
||
|
|
.p-megamenu-col-2,
|
||
|
|
.p-megamenu-col-3,
|
||
|
|
.p-megamenu-col-4,
|
||
|
|
.p-megamenu-col-6,
|
||
|
|
.p-megamenu-col-12 {
|
||
|
|
flex: 0 0 auto;
|
||
|
|
padding: 0.5rem;
|
||
|
|
}
|
||
|
|
|
||
|
|
.p-megamenu-col-2 {
|
||
|
|
width: 16.6667%;
|
||
|
|
}
|
||
|
|
|
||
|
|
.p-megamenu-col-3 {
|
||
|
|
width: 25%;
|
||
|
|
}
|
||
|
|
|
||
|
|
.p-megamenu-col-4 {
|
||
|
|
width: 33.3333%;
|
||
|
|
}
|
||
|
|
|
||
|
|
.p-megamenu-col-6 {
|
||
|
|
width: 50%;
|
||
|
|
}
|
||
|
|
|
||
|
|
.p-megamenu-col-12 {
|
||
|
|
width: 100%;
|
||
|
|
}
|
||
|
|
</style>
|