256 lines
8.0 KiB
Vue
256 lines
8.0 KiB
Vue
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<template>
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<Portal :appendTo="appendTo" :disabled="!popup">
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<transition name="p-connected-overlay" @enter="onEnter" @leave="onLeave" @after-leave="onAfterLeave">
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<div :ref="containerRef" :class="containerClass" v-if="popup ? overlayVisible : true" v-bind="$attrs" @click="onOverlayClick">
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<ul class="p-menu-list p-reset" role="menu">
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<template v-for="(item, i) of model" :key="label(item) + i.toString()">
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<template v-if="item.items && visible(item) && !item.separator">
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<li class="p-submenu-header" v-if="item.items">
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<slot name="item" :item="item">{{label(item)}}</slot>
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</li>
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<template v-for="(child, j) of item.items" :key="child.label + i + j">
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<Menuitem v-if="visible(child) && !child.separator" :item="child" @click="itemClick" :template="$slots.item" :exact="exact" />
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<li v-else-if="visible(child) && child.separator" :class="['p-menu-separator', child.class]" :style="child.style" :key="'separator' + i + j" role="separator"></li>
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</template>
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</template>
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<li v-else-if="visible(item) && item.separator" :class="['p-menu-separator', item.class]" :style="item.style" :key="'separator' + i.toString()" role="separator"></li>
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<Menuitem v-else :key="label(item) + i.toString()" :item="item" @click="itemClick" :template="$slots.item" :exact="exact" />
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</template>
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</ul>
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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 {ConnectedOverlayScrollHandler,DomHandler,ZIndexUtils} from 'primevue/utils';
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import OverlayEventBus from 'primevue/overlayeventbus';
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import Menuitem from './Menuitem.vue';
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import Portal from 'primevue/portal';
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export default {
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name: 'Menu',
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emits: ['show', 'hide'],
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inheritAttrs: false,
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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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},
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data() {
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return {
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overlayVisible: false
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};
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},
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target: null,
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outsideClickListener: null,
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scrollHandler: null,
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resizeListener: null,
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container: null,
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beforeUnmount() {
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this.unbindResizeListener();
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this.unbindOutsideClickListener();
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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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this.target = null;
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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.container = null;
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},
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methods: {
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itemClick(event) {
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const item = event.item;
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if (this.disabled(item)) {
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return;
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}
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if (item.command) {
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item.command(event);
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}
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if (item.to && event.navigate) {
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event.navigate(event.originalEvent);
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}
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this.hide();
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},
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toggle(event) {
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if (this.overlayVisible)
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this.hide();
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else
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this.show(event);
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},
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show(event) {
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this.overlayVisible = true;
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this.target = event.currentTarget;
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},
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hide() {
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this.overlayVisible = false;
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this.target = null;
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},
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onEnter(el) {
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this.alignOverlay();
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this.bindOutsideClickListener();
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this.bindResizeListener();
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this.bindScrollListener();
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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.$emit('show');
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},
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onLeave() {
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this.unbindOutsideClickListener();
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this.unbindResizeListener();
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this.unbindScrollListener();
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this.$emit('hide');
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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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DomHandler.absolutePosition(this.container, this.target);
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this.container.style.minWidth = DomHandler.getOuterWidth(this.target) + 'px';
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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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if (this.overlayVisible && this.container && !this.container.contains(event.target) && !this.isTargetClicked(event)) {
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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, () => {
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if (this.overlayVisible) {
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this.hide();
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}
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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 = () => {
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if (this.overlayVisible && !DomHandler.isTouchDevice()) {
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this.hide();
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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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isTargetClicked(event) {
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return this.target && (this.target === event.target || this.target.contains(event.target));
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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.label === 'function' ? item.label() : item.label);
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},
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containerRef(el) {
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this.container = el;
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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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},
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computed: {
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containerClass() {
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return ['p-menu p-component', {
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'p-menu-overlay': this.popup,
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'p-input-filled': this.$primevue.config.inputStyle === 'filled',
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'p-ripple-disabled': this.$primevue.config.ripple === false
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}]
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}
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},
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components: {
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'Menuitem': Menuitem,
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'Portal': Portal
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}
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}
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</script>
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<style>
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.p-menu-overlay {
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position: absolute;
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top: 0;
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left: 0;
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}
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.p-menu ul {
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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-menu .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-menu .p-menuitem-text {
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line-height: 1;
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}
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</style>
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