729 lines
26 KiB
Vue
Executable File
729 lines
26 KiB
Vue
Executable File
<template>
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<div ref="container" :class="containerClass" @click="onClick">
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<div class="p-hidden-accessible">
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<input ref="focusInput" type="text" role="listbox" :id="inputId" readonly :disabled="disabled" @focus="onFocus" @blur="onBlur" @keydown="onKeyDown" :tabindex="tabindex"
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aria-haspopup="listbox" :aria-expanded="overlayVisible" :aria-labelledby="ariaLabelledBy"/>
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</div>
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<div class="p-multiselect-label-container">
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<div :class="labelClass">
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<slot name="value" :value="modelValue" :placeholder="placeholder">
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<template v-if="display === 'comma'">
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{{label || 'empty'}}
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</template>
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<template v-else-if="display === 'chip'">
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<div v-for="item of modelValue" class="p-multiselect-token" :key="getLabelByValue(item)">
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<span class="p-multiselect-token-label">{{getLabelByValue(item)}}</span>
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<span v-if="!disabled" class="p-multiselect-token-icon pi pi-times-circle" @click="removeChip(item)"></span>
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</div>
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<template v-if="!modelValue || modelValue.length === 0">{{placeholder || 'empty'}}</template>
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</template>
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</slot>
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</div>
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</div>
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<div class="p-multiselect-trigger">
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<span class="p-multiselect-trigger-icon pi pi-chevron-down"></span>
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</div>
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<transition name="p-connected-overlay" @enter="onOverlayEnter" @leave="onOverlayLeave">
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<div :ref="overlayRef" class="p-multiselect-panel p-component" v-if="overlayVisible">
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<slot name="header" :value="modelValue" :options="visibleOptions"></slot>
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<div class="p-multiselect-header">
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<div class="p-checkbox p-component" @click="onToggleAll" role="checkbox" :aria-checked="allSelected">
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<div class="p-hidden-accessible">
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<input type="checkbox" readonly @focus="onHeaderCheckboxFocus" @blur="onHeaderCheckboxBlur">
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</div>
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<div :class="['p-checkbox-box', {'p-highlight': allSelected, 'p-focus': headerCheckboxFocused}]" role="checkbox" :aria-checked="allSelected">
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<span :class="['p-checkbox-icon', {'pi pi-check': allSelected}]"></span>
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</div>
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</div>
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<div v-if="filter" class="p-multiselect-filter-container">
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<input type="text" v-model="filterValue" class="p-multiselect-filter p-inputtext p-component" :placeholder="filterPlaceholder" @input="onFilterChange">
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<span class="p-multiselect-filter-icon pi pi-search"></span>
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</div>
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<button class="p-multiselect-close p-link" @click="onCloseClick" type="button" v-ripple>
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<span class="p-multiselect-close-icon pi pi-times" />
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</button>
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</div>
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<div class="p-multiselect-items-wrapper" :style="{'max-height': scrollHeight}">
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<ul class="p-multiselect-items p-component" role="listbox" aria-multiselectable="true">
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<template v-if="!optionGroupLabel">
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<li v-for="(option, i) of visibleOptions" :class="['p-multiselect-item', {'p-highlight': isSelected(option), 'p-disabled': isOptionDisabled(option)}]" role="option" :aria-selected="isSelected(option)"
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:key="getOptionRenderKey(option)" @click="onOptionSelect($event, option)" @keydown="onOptionKeyDown($event, option)" :tabindex="tabindex||'0'" :aria-label="getOptionLabel(option)" v-ripple>
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<div class="p-checkbox p-component">
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<div :class="['p-checkbox-box', {'p-highlight': isSelected(option)}]">
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<span :class="['p-checkbox-icon', {'pi pi-check': isSelected(option)}]"></span>
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</div>
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</div>
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<slot name="option" :option="option" :index="i">
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<span>{{getOptionLabel(option)}}</span>
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</slot>
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</li>
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</template>
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<template v-else>
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<template v-for="(optionGroup, i) of visibleOptions" :key="getOptionGroupRenderKey(optionGroup)">
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<li class="p-multiselect-item-group">
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<slot name="optiongroup" :option="optionGroup" :index="i">{{getOptionGroupLabel(optionGroup)}}</slot>
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</li>
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<li v-for="(option, i) of getOptionGroupChildren(optionGroup)" :class="['p-multiselect-item', {'p-highlight': isSelected(option), 'p-disabled': isOptionDisabled(option)}]" role="option" :aria-selected="isSelected(option)"
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:key="getOptionRenderKey(option)" @click="onOptionSelect($event, option)" @keydown="onOptionKeyDown($event, option)" :tabindex="tabindex||'0'" :aria-label="getOptionLabel(option)" v-ripple>
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<div class="p-checkbox p-component">
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<div :class="['p-checkbox-box', {'p-highlight': isSelected(option)}]">
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<span :class="['p-checkbox-icon', {'pi pi-check': isSelected(option)}]"></span>
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</div>
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</div>
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<slot name="option" :option="option" :index="i">
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<span>{{getOptionLabel(option)}}</span>
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</slot>
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</li>
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</template>
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</template>
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<li v-if="filterValue && (!visibleOptions || (visibleOptions && visibleOptions.length === 0))" class="p-multiselect-empty-message">
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<slot name="emptyfilter">{{emptyFilterMessageText}}</slot>
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</li>
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<li v-else-if="(!options || (options && options.length === 0))" class="p-multiselect-empty-message">
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<slot name="empty">{{emptyMessageText}}</slot>
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</li>
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</ul>
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</div>
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<slot name="footer" :value="modelValue" :options="visibleOptions"></slot>
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</div>
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</transition>
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</div>
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</template>
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<script>
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import {ConnectedOverlayScrollHandler} from 'primevue/utils';
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import {ObjectUtils} from 'primevue/utils';
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import {DomHandler} from 'primevue/utils';
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import {FilterService} from 'primevue/api';
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import Ripple from 'primevue/ripple';
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export default {
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emits: ['update:modelValue', 'before-show', 'before-hide', 'change', 'show', 'hide', 'filter'],
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props: {
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modelValue: null,
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options: Array,
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optionLabel: null,
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optionValue: null,
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optionDisabled: null,
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optionGroupLabel: null,
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optionGroupChildren: null,
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scrollHeight: {
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type: String,
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default: '200px'
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},
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placeholder: String,
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disabled: Boolean,
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tabindex: String,
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inputId: String,
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dataKey: null,
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filter: Boolean,
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filterPlaceholder: String,
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filterLocale: String,
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filterMatchMode: {
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type: String,
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default: 'contains'
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},
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filterFields: {
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type: Array,
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default: null
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},
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ariaLabelledBy: null,
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appendTo: {
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type: String,
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default: null
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},
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emptyFilterMessage: {
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type: String,
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default: null
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},
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emptyMessage: {
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type: String,
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default: null
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},
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display: {
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type: String,
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default: 'comma'
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}
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},
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data() {
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return {
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focused: false,
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headerCheckboxFocused: false,
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filterValue: null,
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overlayVisible: false
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};
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},
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outsideClickListener: null,
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resizeListener: null,
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scrollHandler: null,
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overlay: null,
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beforeUnmount() {
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this.restoreAppend();
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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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this.overlay = null;
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},
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methods: {
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getOptionLabel(option) {
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return this.optionLabel ? ObjectUtils.resolveFieldData(option, this.optionLabel) : option;
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},
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getOptionValue(option) {
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return this.optionValue ? ObjectUtils.resolveFieldData(option, this.optionValue) : option;
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},
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getOptionRenderKey(option) {
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return this.dataKey ? ObjectUtils.resolveFieldData(option, this.dataKey) : this.getOptionLabel(option);
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},
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getOptionGroupRenderKey(optionGroup) {
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return ObjectUtils.resolveFieldData(optionGroup, this.optionGroupLabel);
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},
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getOptionGroupLabel(optionGroup) {
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return ObjectUtils.resolveFieldData(optionGroup, this.optionGroupLabel);
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},
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getOptionGroupChildren(optionGroup) {
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return ObjectUtils.resolveFieldData(optionGroup, this.optionGroupChildren);
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},
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isOptionDisabled(option) {
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return this.optionDisabled ? ObjectUtils.resolveFieldData(option, this.optionDisabled) : false;
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},
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isSelected(option) {
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let selected = false;
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let optionValue = this.getOptionValue(option);
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if (this.modelValue) {
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for (let val of this.modelValue) {
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if (ObjectUtils.equals(val, optionValue, this.equalityKey)) {
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selected = true;
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break;
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}
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}
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}
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return selected;
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},
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show() {
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this.$emit('before-show');
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this.overlayVisible = true;
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},
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hide() {
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this.$emit('before-hide');
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this.overlayVisible = false;
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},
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onFocus() {
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this.focused = true;
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},
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onBlur() {
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this.focused = false;
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},
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onHeaderCheckboxFocus() {
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this.headerCheckboxFocused = true;
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},
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onHeaderCheckboxBlur() {
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this.headerCheckboxFocused = false;
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},
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onClick(event) {
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if (!this.disabled && (!this.overlay || !this.overlay.contains(event.target)) && !DomHandler.hasClass(event.target, 'p-multiselect-close')) {
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DomHandler.hasClass(event.target, 'p-multiselect-close');
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if (this.overlayVisible)
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this.hide();
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else
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this.show();
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this.$refs.focusInput.focus();
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}
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},
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onCloseClick() {
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this.hide();
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},
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onKeyDown(event) {
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switch(event.which) {
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//down
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case 40:
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if (this.visibleOptions && !this.overlayVisible && event.altKey) {
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this.show();
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}
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break;
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//space
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case 32:
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if (!this.overlayVisible) {
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this.show();
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event.preventDefault();
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}
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break;
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//enter and escape
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case 13:
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case 27:
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if (this.overlayVisible) {
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this.hide();
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event.preventDefault();
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}
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break;
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//tab
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case 9:
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this.hide();
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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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onOptionSelect(event, option) {
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if (this.disabled || this.isOptionDisabled(option)) {
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return;
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}
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let selected = this.isSelected(option);
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let value = null;
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if (selected)
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value = this.modelValue.filter(val => !ObjectUtils.equals(val, this.getOptionValue(option), this.equalityKey));
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else
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value = [...this.modelValue || [], this.getOptionValue(option)];
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this.$emit('update:modelValue', value);
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this.$emit('change', {originalEvent: event, value: value});
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},
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onOptionKeyDown(event, option) {
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let listItem = event.target;
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switch(event.which) {
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//down
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case 40:
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var nextItem = this.findNextItem(listItem);
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if (nextItem) {
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nextItem.focus();
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}
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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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var prevItem = this.findPrevItem(listItem);
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if (prevItem) {
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prevItem.focus();
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}
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event.preventDefault();
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break;
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//enter
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case 13:
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this.onOptionSelect(event, option);
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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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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-multiselect-item-group') ? 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-multiselect-item-group') ? this.findPrevItem(prevItem) : prevItem;
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else
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return null;
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},
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onOverlayEnter() {
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this.overlay.style.zIndex = String(DomHandler.generateZIndex());
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this.appendContainer();
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this.alignOverlay();
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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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onOverlayLeave() {
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this.unbindOutsideClickListener();
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this.unbindScrollListener();
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this.unbindResizeListener();
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this.$emit('hide');
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this.overlay = null;
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},
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alignOverlay() {
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if (this.appendTo) {
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DomHandler.absolutePosition(this.overlay, this.$el);
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this.overlay.style.minWidth = DomHandler.getOuterWidth(this.$el) + 'px';
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}
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else {
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DomHandler.relativePosition(this.overlay, this.$el);
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}
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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.isOutsideClicked(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.$refs.container, () => {
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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) {
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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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isOutsideClicked(event) {
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return !(this.$el.isSameNode(event.target) || this.$el.contains(event.target) || (this.overlay && this.overlay.contains(event.target)));
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},
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getLabelByValue(val) {
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let option;
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if (this.options) {
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if (this.optionGroupLabel) {
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for (let optionGroup of this.options) {
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option = this.findOptionByValue(val, this.getOptionGroupChildren(optionGroup));
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if (option) {
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break;
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}
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}
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}
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else {
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option = this.findOptionByValue(val, this.options);
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}
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}
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return option ? this.getOptionLabel(option): null;
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},
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findOptionByValue(val, list) {
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for (let option of list) {
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let optionValue = this.getOptionValue(option);
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if(ObjectUtils.equals(optionValue, val, this.equalityKey)) {
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return option;
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}
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}
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return null;
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},
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onToggleAll(event) {
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let value = null;
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if (this.allSelected) {
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value = [];
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}
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else if (this.visibleOptions) {
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if (this.optionGroupLabel) {
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value = [];
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this.visibleOptions.forEach(optionGroup => value = [...value, ...this.getOptionGroupChildren(optionGroup)]);
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}
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else {
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value = this.visibleOptions.map(option => this.getOptionValue(option));
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}
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}
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this.$emit('update:modelValue', value);
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this.$emit('change', {originalEvent: event, value: value});
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},
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appendContainer() {
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if (this.appendTo) {
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if (this.appendTo === 'body')
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document.body.appendChild(this.overlay);
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else
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document.getElementById(this.appendTo).appendChild(this.overlay);
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}
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},
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restoreAppend() {
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if (this.overlay && this.appendTo) {
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if (this.appendTo === 'body')
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document.body.removeChild(this.overlay);
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else
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document.getElementById(this.appendTo).removeChild(this.overlay);
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}
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},
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onFilterChange(event) {
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this.$emit('filter', {originalEvent: event, value: event.target.value});
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if (this.overlayVisible) {
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this.alignOverlay();
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}
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},
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overlayRef(el) {
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this.overlay = el;
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},
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removeChip(item) {
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let value = this.modelValue.filter(val => !ObjectUtils.equals(val, item, this.equalityKey));
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this.$emit('update:modelValue', value);
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this.$emit('change', {originalEvent: event, value: value});
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}
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},
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computed: {
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visibleOptions() {
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if (this.filterValue) {
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if (this.optionGroupLabel) {
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let filteredGroups = [];
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for (let optgroup of this.options) {
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let filteredSubOptions = FilterService.filter(this.getOptionGroupChildren(optgroup), this.searchFields, this.filterValue, this.filterMatchMode, this.filterLocale);
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if (filteredSubOptions && filteredSubOptions.length) {
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filteredGroups.push({...optgroup, ...{items: filteredSubOptions}});
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}
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}
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return filteredGroups
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}
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else {
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return FilterService.filter(this.options, this.searchFields, this.filterValue, 'contains', this.filterLocale);
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}
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}
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else {
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return this.options;
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}
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},
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containerClass() {
|
|
return [
|
|
'p-multiselect p-component p-inputwrapper',
|
|
{
|
|
'p-multiselect-chip': this.display === 'chip',
|
|
'p-disabled': this.disabled,
|
|
'p-focus': this.focused,
|
|
'p-inputwrapper-filled': this.modelValue && this.modelValue.length,
|
|
'p-inputwrapper-focus': this.focused || this.overlayVisible
|
|
}
|
|
];
|
|
},
|
|
labelClass() {
|
|
return [
|
|
'p-multiselect-label',
|
|
{
|
|
'p-placeholder': this.label === this.placeholder,
|
|
'p-multiselect-label-empty': !this.placeholder && (!this.modelValue || this.modelValue.length === 0)
|
|
}
|
|
];
|
|
},
|
|
label() {
|
|
let label;
|
|
|
|
if (this.modelValue && this.modelValue.length) {
|
|
label = '';
|
|
for(let i = 0; i < this.modelValue.length; i++) {
|
|
if(i !== 0) {
|
|
label += ', ';
|
|
}
|
|
|
|
label += this.getLabelByValue(this.modelValue[i]);
|
|
}
|
|
}
|
|
else {
|
|
label = this.placeholder;
|
|
}
|
|
|
|
return label;
|
|
},
|
|
allSelected() {
|
|
if (this.filterValue && this.filterValue.trim().length > 0) {
|
|
if (this.visibleOptions.length === 0) {
|
|
return false;
|
|
}
|
|
|
|
if (this.optionGroupLabel) {
|
|
for (let optionGroup of this.visibleOptions) {
|
|
for (let option of this.getOptionGroupChildren(optionGroup)) {
|
|
if (!this.isSelected(option)) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
for (let option of this.visibleOptions) {
|
|
if (!this.isSelected(option)) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
else {
|
|
if (this.modelValue && this.options) {
|
|
let optionCount = 0;
|
|
if (this.optionGroupLabel)
|
|
this.options.forEach(optionGroup => optionCount += this.getOptionGroupChildren(optionGroup).length);
|
|
else
|
|
optionCount = this.options.length;
|
|
|
|
return optionCount > 0 && optionCount === this.modelValue.length;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
},
|
|
equalityKey() {
|
|
return this.optionValue ? null : this.dataKey;
|
|
},
|
|
searchFields() {
|
|
return this.filterFields || [this.optionLabel];
|
|
},
|
|
emptyFilterMessageText() {
|
|
return this.emptyFilterMessage || this.$primevue.config.locale.emptyFilterMessage;
|
|
},
|
|
emptyMessageText() {
|
|
return this.emptyMessage || this.$primevue.config.locale.emptyMessage;
|
|
}
|
|
},
|
|
directives: {
|
|
'ripple': Ripple
|
|
}
|
|
}
|
|
</script>
|
|
|
|
<style>
|
|
.p-multiselect {
|
|
display: inline-flex;
|
|
cursor: pointer;
|
|
position: relative;
|
|
user-select: none;
|
|
}
|
|
|
|
.p-multiselect-trigger {
|
|
display: flex;
|
|
align-items: center;
|
|
justify-content: center;
|
|
flex-shrink: 0;
|
|
}
|
|
|
|
.p-multiselect-label-container {
|
|
overflow: hidden;
|
|
flex: 1 1 auto;
|
|
cursor: pointer;
|
|
}
|
|
|
|
.p-multiselect-label {
|
|
display: block;
|
|
white-space: nowrap;
|
|
cursor: pointer;
|
|
overflow: hidden;
|
|
text-overflow: ellipsis;
|
|
}
|
|
|
|
.p-multiselect-label-empty {
|
|
overflow: hidden;
|
|
visibility: hidden;
|
|
}
|
|
|
|
.p-multiselect-token {
|
|
cursor: default;
|
|
display: inline-flex;
|
|
align-items: center;
|
|
flex: 0 0 auto;
|
|
}
|
|
|
|
.p-multiselect-token-icon {
|
|
cursor: pointer;
|
|
}
|
|
|
|
.p-multiselect .p-multiselect-panel {
|
|
min-width: 100%;
|
|
}
|
|
|
|
.p-multiselect-panel {
|
|
position: absolute;
|
|
}
|
|
|
|
.p-multiselect-items-wrapper {
|
|
overflow: auto;
|
|
}
|
|
|
|
.p-multiselect-items {
|
|
margin: 0;
|
|
padding: 0;
|
|
list-style-type: none;
|
|
}
|
|
|
|
.p-multiselect-item {
|
|
cursor: pointer;
|
|
display: flex;
|
|
align-items: center;
|
|
font-weight: normal;
|
|
white-space: nowrap;
|
|
position: relative;
|
|
overflow: hidden;
|
|
}
|
|
|
|
.p-multiselect-item-group {
|
|
cursor: auto;
|
|
}
|
|
|
|
.p-multiselect-header {
|
|
display: flex;
|
|
align-items: center;
|
|
justify-content: space-between;
|
|
}
|
|
|
|
.p-multiselect-filter-container {
|
|
position: relative;
|
|
flex: 1 1 auto;
|
|
}
|
|
|
|
.p-multiselect-filter-icon {
|
|
position: absolute;
|
|
top: 50%;
|
|
margin-top: -.5rem;
|
|
}
|
|
|
|
.p-multiselect-filter-container .p-inputtext {
|
|
width: 100%;
|
|
}
|
|
|
|
.p-multiselect-close {
|
|
display: flex;
|
|
align-items: center;
|
|
justify-content: center;
|
|
flex-shrink: 0;
|
|
overflow: hidden;
|
|
position: relative;
|
|
}
|
|
|
|
.p-fluid .p-multiselect {
|
|
display: flex;
|
|
}
|
|
</style>
|