773 lines
33 KiB
Vue
Executable File
773 lines
33 KiB
Vue
Executable File
<template>
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<div :id="id" :class="cx('root')" @focusout="onFocusout" v-bind="ptmi('root')">
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<span
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ref="firstHiddenFocusableElement"
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role="presentation"
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aria-hidden="true"
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class="p-hidden-accessible p-hidden-focusable"
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:tabindex="!disabled ? tabindex : -1"
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@focus="onFirstHiddenFocus"
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v-bind="ptm('hiddenFirstFocusableEl')"
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:data-p-hidden-accessible="true"
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:data-p-hidden-focusable="true"
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></span>
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<div v-if="$slots.header" :class="cx('header')">
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<slot name="header" :value="modelValue" :options="visibleOptions"></slot>
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</div>
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<div v-if="filter" :class="cx('header')" v-bind="ptm('header')">
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<IconField :unstyled="unstyled" v-bind="ptm('pcFilterContainer')">
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<InputText
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v-model="filterValue"
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type="text"
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:class="cx('pcFilter')"
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:placeholder="filterPlaceholder"
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role="searchbox"
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autocomplete="off"
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:invalid="invalid"
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:disabled="disabled"
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:unstyled="unstyled"
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:aria-owns="id + '_list'"
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:aria-activedescendant="focusedOptionId"
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:tabindex="!disabled && !focused ? tabindex : -1"
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@input="onFilterChange"
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@blur="onFilterBlur"
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@keydown="onFilterKeyDown"
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:pt="ptm('pcFilter')"
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/>
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<InputIcon :unstyled="unstyled" v-bind="ptm('pcFilterIconContainer')">
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<slot name="filtericon">
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<span v-if="filterIcon" :class="filterIcon" v-bind="ptm('filterIcon')" />
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<SearchIcon v-else v-bind="ptm('filterIcon')" />
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</slot>
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</InputIcon>
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</IconField>
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<span role="status" aria-live="polite" class="p-hidden-accessible" v-bind="ptm('hiddenFilterResult')" :data-p-hidden-accessible="true">
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{{ filterResultMessageText }}
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</span>
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</div>
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<div :class="cx('listContainer')" :style="[{ 'max-height': virtualScrollerDisabled ? scrollHeight : '' }, listStyle]" v-bind="ptm('listContainer')">
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<VirtualScroller :ref="virtualScrollerRef" v-bind="virtualScrollerOptions" :items="visibleOptions" :style="[{ height: scrollHeight }, listStyle]" :tabindex="-1" :disabled="virtualScrollerDisabled" :pt="ptm('virtualScroller')">
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<template v-slot:content="{ styleClass, contentRef, items, getItemOptions, contentStyle, itemSize }">
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<ul
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:ref="(el) => listRef(el, contentRef)"
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:id="id + '_list'"
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:class="[cx('list'), styleClass]"
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:style="contentStyle"
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:tabindex="-1"
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role="listbox"
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:aria-multiselectable="multiple"
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:aria-label="ariaLabel"
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:aria-labelledby="ariaLabelledby"
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:aria-activedescendant="focused ? focusedOptionId : undefined"
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:aria-disabled="disabled"
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@focus="onListFocus"
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@blur="onListBlur"
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@keydown="onListKeyDown"
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v-bind="ptm('list')"
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>
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<template v-for="(option, i) of items" :key="getOptionRenderKey(option, getOptionIndex(i, getItemOptions))">
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<li v-if="isOptionGroup(option)" :id="id + '_' + getOptionIndex(i, getItemOptions)" :style="{ height: itemSize ? itemSize + 'px' : undefined }" :class="cx('optionGroup')" role="option" v-bind="ptm('optionGroup')">
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<slot name="optiongroup" :option="option.optionGroup" :index="getOptionIndex(i, getItemOptions)">{{ getOptionGroupLabel(option.optionGroup) }}</slot>
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</li>
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<li
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v-else
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:id="id + '_' + getOptionIndex(i, getItemOptions)"
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v-ripple
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:style="{ height: itemSize ? itemSize + 'px' : undefined }"
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:class="cx('option', { option, index: i, getItemOptions })"
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role="option"
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:aria-label="getOptionLabel(option)"
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:aria-selected="isSelected(option)"
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:aria-disabled="isOptionDisabled(option)"
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:aria-setsize="ariaSetSize"
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:aria-posinset="getAriaPosInset(getOptionIndex(i, getItemOptions))"
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@click="onOptionSelect($event, option, getOptionIndex(i, getItemOptions))"
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@mousedown="onOptionMouseDown($event, getOptionIndex(i, getItemOptions))"
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@mousemove="onOptionMouseMove($event, getOptionIndex(i, getItemOptions))"
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@touchend="onOptionTouchEnd()"
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@dblclick="onOptionDblClick($event, option)"
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v-bind="getPTOptions(option, getItemOptions, i, 'option')"
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:data-p-selected="isSelected(option)"
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:data-p-focused="focusedOptionIndex === getOptionIndex(i, getItemOptions)"
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:data-p-disabled="isOptionDisabled(option)"
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>
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<template v-if="checkmark">
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<CheckIcon v-if="isSelected(option)" :class="cx('optionCheckIcon')" v-bind="ptm('optionCheckIcon')" />
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<BlankIcon v-else :class="cx('optionBlankIcon')" v-bind="ptm('optionBlankIcon')" />
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</template>
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<slot name="option" :option="option" :selected="isSelected(option)" :index="getOptionIndex(i, getItemOptions)">{{ getOptionLabel(option) }}</slot>
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</li>
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</template>
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<li v-if="filterValue && (!items || (items && items.length === 0))" :class="cx('emptyMessage')" role="option" v-bind="ptm('emptyMessage')">
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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="cx('emptyMessage')" role="option" v-bind="ptm('emptyMessage')">
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<slot name="empty">{{ emptyMessageText }}</slot>
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</li>
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</ul>
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</template>
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<template v-if="$slots.loader" v-slot:loader="{ options }">
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<slot name="loader" :options="options"></slot>
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</template>
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</VirtualScroller>
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</div>
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<slot name="footer" :value="modelValue" :options="visibleOptions"></slot>
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<span v-if="!options || (options && options.length === 0)" role="status" aria-live="polite" class="p-hidden-accessible" v-bind="ptm('hiddenEmptyMessage')" :data-p-hidden-accessible="true">
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{{ emptyMessageText }}
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</span>
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<span role="status" aria-live="polite" class="p-hidden-accessible" v-bind="ptm('hiddenSelectedMessage')" :data-p-hidden-accessible="true">
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{{ selectedMessageText }}
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</span>
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<span
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ref="lastHiddenFocusableElement"
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role="presentation"
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aria-hidden="true"
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class="p-hidden-accessible p-hidden-focusable"
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:tabindex="!disabled ? tabindex : -1"
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@focus="onLastHiddenFocus"
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v-bind="ptm('hiddenLastFocusableEl')"
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:data-p-hidden-accessible="true"
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:data-p-hidden-focusable="true"
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></span>
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</div>
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</template>
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<script>
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import { FilterService } from 'primevue/api';
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import IconField from 'primevue/iconfield';
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import BlankIcon from 'primevue/icons/blank';
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import CheckIcon from 'primevue/icons/check';
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import SearchIcon from 'primevue/icons/search';
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import InputIcon from 'primevue/inputicon';
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import InputText from 'primevue/inputtext';
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import Ripple from 'primevue/ripple';
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import { DomHandler, ObjectUtils, UniqueComponentId } from 'primevue/utils';
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import VirtualScroller from 'primevue/virtualscroller';
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import BaseListbox from './BaseListbox.vue';
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export default {
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name: 'Listbox',
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extends: BaseListbox,
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inheritAttrs: false,
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emits: ['update:modelValue', 'change', 'focus', 'blur', 'filter', 'item-dblclick', 'option-dblclick'],
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list: null,
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virtualScroller: null,
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optionTouched: false,
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startRangeIndex: -1,
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searchTimeout: null,
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searchValue: '',
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data() {
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return {
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id: this.$attrs.id,
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filterValue: null,
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focused: false,
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focusedOptionIndex: -1
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};
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},
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watch: {
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'$attrs.id': function (newValue) {
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this.id = newValue || UniqueComponentId();
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},
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options() {
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this.autoUpdateModel();
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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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this.autoUpdateModel();
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},
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methods: {
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getOptionIndex(index, fn) {
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return this.virtualScrollerDisabled ? index : fn && fn(index)['index'];
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},
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getOptionLabel(option) {
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return this.optionLabel ? ObjectUtils.resolveFieldData(option, this.optionLabel) : typeof option === 'string' ? option : null;
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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, index) {
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return (this.dataKey ? ObjectUtils.resolveFieldData(option, this.dataKey) : this.getOptionLabel(option)) + '_' + index;
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},
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getPTOptions(option, itemOptions, index, key) {
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return this.ptm(key, {
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context: {
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selected: this.isSelected(option),
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focused: this.focusedOptionIndex === this.getOptionIndex(index, itemOptions),
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disabled: this.isOptionDisabled(option)
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}
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});
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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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isOptionGroup(option) {
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return this.optionGroupLabel && option.optionGroup && option.group;
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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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getAriaPosInset(index) {
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return (this.optionGroupLabel ? index - this.visibleOptions.slice(0, index).filter((option) => this.isOptionGroup(option)).length : index) + 1;
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},
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onFirstHiddenFocus() {
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DomHandler.focus(this.list);
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const firstFocusableEl = DomHandler.getFirstFocusableElement(this.$el, ':not([data-p-hidden-focusable="true"])');
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this.$refs.lastHiddenFocusableElement.tabIndex = DomHandler.isElement(firstFocusableEl) ? undefined : -1;
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this.$refs.firstHiddenFocusableElement.tabIndex = -1;
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},
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onLastHiddenFocus(event) {
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const relatedTarget = event.relatedTarget;
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if (relatedTarget === this.list) {
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const firstFocusableEl = DomHandler.getFirstFocusableElement(this.$el, ':not([data-p-hidden-focusable="true"])');
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DomHandler.focus(firstFocusableEl);
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this.$refs.firstHiddenFocusableElement.tabIndex = undefined;
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} else {
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DomHandler.focus(this.$refs.firstHiddenFocusableElement);
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}
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this.$refs.lastHiddenFocusableElement.tabIndex = -1;
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},
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onFocusout(event) {
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if (!this.$el.contains(event.relatedTarget) && this.$refs.lastHiddenFocusableElement && this.$refs.firstHiddenFocusableElement) {
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this.$refs.lastHiddenFocusableElement.tabIndex = this.$refs.firstHiddenFocusableElement.tabIndex = undefined;
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}
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},
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onListFocus(event) {
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this.focused = true;
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this.focusedOptionIndex = this.focusedOptionIndex !== -1 ? this.focusedOptionIndex : this.autoOptionFocus ? this.findFirstFocusedOptionIndex() : this.findSelectedOptionIndex();
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this.autoUpdateModel();
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this.$emit('focus', event);
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},
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onListBlur(event) {
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this.focused = false;
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this.focusedOptionIndex = this.startRangeIndex = -1;
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this.searchValue = '';
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this.$emit('blur', event);
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},
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onListKeyDown(event) {
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const metaKey = event.metaKey || event.ctrlKey;
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switch (event.code) {
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case 'ArrowDown':
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this.onArrowDownKey(event);
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break;
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case 'ArrowUp':
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this.onArrowUpKey(event);
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break;
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case 'Home':
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this.onHomeKey(event);
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break;
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case 'End':
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this.onEndKey(event);
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break;
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case 'PageDown':
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this.onPageDownKey(event);
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break;
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case 'PageUp':
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this.onPageUpKey(event);
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break;
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case 'Enter':
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case 'NumpadEnter':
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case 'Space':
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this.onSpaceKey(event);
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break;
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case 'Tab':
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//NOOP
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break;
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case 'ShiftLeft':
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case 'ShiftRight':
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this.onShiftKey(event);
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break;
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default:
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if (this.multiple && event.code === 'KeyA' && metaKey) {
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const value = this.visibleOptions.filter((option) => this.isValidOption(option)).map((option) => this.getOptionValue(option));
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this.updateModel(event, value);
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event.preventDefault();
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break;
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}
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if (!metaKey && ObjectUtils.isPrintableCharacter(event.key)) {
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this.searchOptions(event, event.key);
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event.preventDefault();
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}
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break;
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}
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},
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onOptionSelect(event, option, index = -1) {
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if (this.disabled || this.isOptionDisabled(option)) {
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return;
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}
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this.multiple ? this.onOptionSelectMultiple(event, option) : this.onOptionSelectSingle(event, option);
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this.optionTouched = false;
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index !== -1 && (this.focusedOptionIndex = index);
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},
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onOptionMouseDown(event, index) {
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this.changeFocusedOptionIndex(event, index);
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},
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onOptionMouseMove(event, index) {
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if (this.focusOnHover && this.focused) {
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this.changeFocusedOptionIndex(event, index);
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}
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},
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onOptionTouchEnd() {
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if (this.disabled) {
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return;
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}
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this.optionTouched = true;
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},
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onOptionDblClick(event, item) {
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this.$emit('item-dblclick', {
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originalEvent: event,
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value: item
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});
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this.$emit('option-dblclick', {
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originalEvent: event,
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value: item
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});
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},
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onOptionSelectSingle(event, option) {
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let selected = this.isSelected(option);
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let valueChanged = false;
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let value = null;
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let metaSelection = this.optionTouched ? false : this.metaKeySelection;
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if (metaSelection) {
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let metaKey = event && (event.metaKey || event.ctrlKey);
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if (selected) {
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if (metaKey) {
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value = null;
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valueChanged = true;
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}
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} else {
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value = this.getOptionValue(option);
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valueChanged = true;
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}
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} else {
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value = selected ? null : this.getOptionValue(option);
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valueChanged = true;
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}
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if (valueChanged) {
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this.updateModel(event, value);
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}
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},
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onOptionSelectMultiple(event, option) {
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let selected = this.isSelected(option);
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let value = null;
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let metaSelection = this.optionTouched ? false : this.metaKeySelection;
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if (metaSelection) {
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let metaKey = event.metaKey || event.ctrlKey;
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if (selected) {
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value = metaKey ? this.removeOption(option) : [this.getOptionValue(option)];
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} else {
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value = metaKey ? this.modelValue || [] : [];
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value = [...value, this.getOptionValue(option)];
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}
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} else {
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value = selected ? this.removeOption(option) : [...(this.modelValue || []), this.getOptionValue(option)];
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}
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this.updateModel(event, value);
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},
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onOptionSelectRange(event, start = -1, end = -1) {
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start === -1 && (start = this.findNearestSelectedOptionIndex(end, true));
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end === -1 && (end = this.findNearestSelectedOptionIndex(start));
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if (start !== -1 && end !== -1) {
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const rangeStart = Math.min(start, end);
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const rangeEnd = Math.max(start, end);
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const value = this.visibleOptions
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.slice(rangeStart, rangeEnd + 1)
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.filter((option) => this.isValidOption(option))
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.map((option) => this.getOptionValue(option));
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this.updateModel(event, value);
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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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this.focusedOptionIndex = this.startRangeIndex = -1;
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},
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onFilterBlur() {
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this.focusedOptionIndex = this.startRangeIndex = -1;
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},
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onFilterKeyDown(event) {
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switch (event.code) {
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case 'ArrowDown':
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this.onArrowDownKey(event);
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break;
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case 'ArrowUp':
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this.onArrowUpKey(event);
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break;
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case 'ArrowLeft':
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case 'ArrowRight':
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this.onArrowLeftKey(event, true);
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break;
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case 'Home':
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this.onHomeKey(event, true);
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break;
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case 'End':
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this.onEndKey(event, true);
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break;
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case 'Enter':
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case 'NumpadEnter':
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this.onEnterKey(event);
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break;
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case 'ShiftLeft':
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case 'ShiftRight':
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this.onShiftKey(event);
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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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onArrowDownKey(event) {
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const optionIndex = this.focusedOptionIndex !== -1 ? this.findNextOptionIndex(this.focusedOptionIndex) : this.findFirstFocusedOptionIndex();
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if (this.multiple && event.shiftKey) {
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this.onOptionSelectRange(event, this.startRangeIndex, optionIndex);
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}
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this.changeFocusedOptionIndex(event, optionIndex);
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event.preventDefault();
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},
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onArrowUpKey(event) {
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const optionIndex = this.focusedOptionIndex !== -1 ? this.findPrevOptionIndex(this.focusedOptionIndex) : this.findLastFocusedOptionIndex();
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if (this.multiple && event.shiftKey) {
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this.onOptionSelectRange(event, optionIndex, this.startRangeIndex);
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}
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this.changeFocusedOptionIndex(event, optionIndex);
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event.preventDefault();
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},
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onArrowLeftKey(event, pressedInInputText = false) {
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pressedInInputText && (this.focusedOptionIndex = -1);
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},
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onHomeKey(event, pressedInInputText = false) {
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if (pressedInInputText) {
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event.currentTarget.setSelectionRange(0, 0);
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this.focusedOptionIndex = -1;
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} else {
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let metaKey = event.metaKey || event.ctrlKey;
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let optionIndex = this.findFirstOptionIndex();
|
|
|
|
if (this.multiple && event.shiftKey && metaKey) {
|
|
this.onOptionSelectRange(event, optionIndex, this.startRangeIndex);
|
|
}
|
|
|
|
this.changeFocusedOptionIndex(event, optionIndex);
|
|
}
|
|
|
|
event.preventDefault();
|
|
},
|
|
onEndKey(event, pressedInInputText = false) {
|
|
if (pressedInInputText) {
|
|
const target = event.currentTarget;
|
|
const len = target.value.length;
|
|
|
|
target.setSelectionRange(len, len);
|
|
this.focusedOptionIndex = -1;
|
|
} else {
|
|
let metaKey = event.metaKey || event.ctrlKey;
|
|
let optionIndex = this.findLastOptionIndex();
|
|
|
|
if (this.multiple && event.shiftKey && metaKey) {
|
|
this.onOptionSelectRange(event, this.startRangeIndex, optionIndex);
|
|
}
|
|
|
|
this.changeFocusedOptionIndex(event, optionIndex);
|
|
}
|
|
|
|
event.preventDefault();
|
|
},
|
|
onPageUpKey(event) {
|
|
this.scrollInView(0);
|
|
event.preventDefault();
|
|
},
|
|
onPageDownKey(event) {
|
|
this.scrollInView(this.visibleOptions.length - 1);
|
|
event.preventDefault();
|
|
},
|
|
onEnterKey(event) {
|
|
if (this.focusedOptionIndex !== -1) {
|
|
if (this.multiple && event.shiftKey) this.onOptionSelectRange(event, this.focusedOptionIndex);
|
|
else this.onOptionSelect(event, this.visibleOptions[this.focusedOptionIndex]);
|
|
}
|
|
},
|
|
onSpaceKey(event) {
|
|
event.preventDefault();
|
|
this.onEnterKey(event);
|
|
},
|
|
onShiftKey() {
|
|
this.startRangeIndex = this.focusedOptionIndex;
|
|
},
|
|
isOptionMatched(option) {
|
|
return this.isValidOption(option) && typeof this.getOptionLabel(option) === 'string' && this.getOptionLabel(option)?.toLocaleLowerCase(this.filterLocale).startsWith(this.searchValue.toLocaleLowerCase(this.filterLocale));
|
|
},
|
|
isValidOption(option) {
|
|
return ObjectUtils.isNotEmpty(option) && !(this.isOptionDisabled(option) || this.isOptionGroup(option));
|
|
},
|
|
isValidSelectedOption(option) {
|
|
return this.isValidOption(option) && this.isSelected(option);
|
|
},
|
|
isEquals(value1, value2) {
|
|
return ObjectUtils.equals(value1, value2, this.equalityKey);
|
|
},
|
|
isSelected(option) {
|
|
const optionValue = this.getOptionValue(option);
|
|
|
|
if (this.multiple) return (this.modelValue || []).some((value) => this.isEquals(value, optionValue));
|
|
else return this.isEquals(this.modelValue, optionValue);
|
|
},
|
|
findFirstOptionIndex() {
|
|
return this.visibleOptions.findIndex((option) => this.isValidOption(option));
|
|
},
|
|
findLastOptionIndex() {
|
|
return ObjectUtils.findLastIndex(this.visibleOptions, (option) => this.isValidOption(option));
|
|
},
|
|
findNextOptionIndex(index) {
|
|
const matchedOptionIndex = index < this.visibleOptions.length - 1 ? this.visibleOptions.slice(index + 1).findIndex((option) => this.isValidOption(option)) : -1;
|
|
|
|
return matchedOptionIndex > -1 ? matchedOptionIndex + index + 1 : index;
|
|
},
|
|
findPrevOptionIndex(index) {
|
|
const matchedOptionIndex = index > 0 ? ObjectUtils.findLastIndex(this.visibleOptions.slice(0, index), (option) => this.isValidOption(option)) : -1;
|
|
|
|
return matchedOptionIndex > -1 ? matchedOptionIndex : index;
|
|
},
|
|
findSelectedOptionIndex() {
|
|
if (this.hasSelectedOption) {
|
|
if (this.multiple) {
|
|
for (let index = this.modelValue.length - 1; index >= 0; index--) {
|
|
const value = this.modelValue[index];
|
|
const matchedOptionIndex = this.visibleOptions.findIndex((option) => this.isValidSelectedOption(option) && this.isEquals(value, this.getOptionValue(option)));
|
|
|
|
if (matchedOptionIndex > -1) return matchedOptionIndex;
|
|
}
|
|
} else {
|
|
return this.visibleOptions.findIndex((option) => this.isValidSelectedOption(option));
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
},
|
|
findFirstSelectedOptionIndex() {
|
|
return this.hasSelectedOption ? this.visibleOptions.findIndex((option) => this.isValidSelectedOption(option)) : -1;
|
|
},
|
|
findLastSelectedOptionIndex() {
|
|
return this.hasSelectedOption ? ObjectUtils.findLastIndex(this.visibleOptions, (option) => this.isValidSelectedOption(option)) : -1;
|
|
},
|
|
findNextSelectedOptionIndex(index) {
|
|
const matchedOptionIndex = this.hasSelectedOption && index < this.visibleOptions.length - 1 ? this.visibleOptions.slice(index + 1).findIndex((option) => this.isValidSelectedOption(option)) : -1;
|
|
|
|
return matchedOptionIndex > -1 ? matchedOptionIndex + index + 1 : -1;
|
|
},
|
|
findPrevSelectedOptionIndex(index) {
|
|
const matchedOptionIndex = this.hasSelectedOption && index > 0 ? ObjectUtils.findLastIndex(this.visibleOptions.slice(0, index), (option) => this.isValidSelectedOption(option)) : -1;
|
|
|
|
return matchedOptionIndex > -1 ? matchedOptionIndex : -1;
|
|
},
|
|
findNearestSelectedOptionIndex(index, firstCheckUp = false) {
|
|
let matchedOptionIndex = -1;
|
|
|
|
if (this.hasSelectedOption) {
|
|
if (firstCheckUp) {
|
|
matchedOptionIndex = this.findPrevSelectedOptionIndex(index);
|
|
matchedOptionIndex = matchedOptionIndex === -1 ? this.findNextSelectedOptionIndex(index) : matchedOptionIndex;
|
|
} else {
|
|
matchedOptionIndex = this.findNextSelectedOptionIndex(index);
|
|
matchedOptionIndex = matchedOptionIndex === -1 ? this.findPrevSelectedOptionIndex(index) : matchedOptionIndex;
|
|
}
|
|
}
|
|
|
|
return matchedOptionIndex > -1 ? matchedOptionIndex : index;
|
|
},
|
|
findFirstFocusedOptionIndex() {
|
|
const selectedIndex = this.findFirstSelectedOptionIndex();
|
|
|
|
return selectedIndex < 0 ? this.findFirstOptionIndex() : selectedIndex;
|
|
},
|
|
findLastFocusedOptionIndex() {
|
|
const selectedIndex = this.findLastSelectedOptionIndex();
|
|
|
|
return selectedIndex < 0 ? this.findLastOptionIndex() : selectedIndex;
|
|
},
|
|
searchOptions(event, char) {
|
|
this.searchValue = (this.searchValue || '') + char;
|
|
|
|
let optionIndex = -1;
|
|
|
|
if (ObjectUtils.isNotEmpty(this.searchValue)) {
|
|
if (this.focusedOptionIndex !== -1) {
|
|
optionIndex = this.visibleOptions.slice(this.focusedOptionIndex).findIndex((option) => this.isOptionMatched(option));
|
|
optionIndex = optionIndex === -1 ? this.visibleOptions.slice(0, this.focusedOptionIndex).findIndex((option) => this.isOptionMatched(option)) : optionIndex + this.focusedOptionIndex;
|
|
} else {
|
|
optionIndex = this.visibleOptions.findIndex((option) => this.isOptionMatched(option));
|
|
}
|
|
|
|
if (optionIndex === -1 && this.focusedOptionIndex === -1) {
|
|
optionIndex = this.findFirstFocusedOptionIndex();
|
|
}
|
|
|
|
if (optionIndex !== -1) {
|
|
this.changeFocusedOptionIndex(event, optionIndex);
|
|
}
|
|
}
|
|
|
|
if (this.searchTimeout) {
|
|
clearTimeout(this.searchTimeout);
|
|
}
|
|
|
|
this.searchTimeout = setTimeout(() => {
|
|
this.searchValue = '';
|
|
this.searchTimeout = null;
|
|
}, 500);
|
|
},
|
|
removeOption(option) {
|
|
return this.modelValue.filter((val) => !ObjectUtils.equals(val, this.getOptionValue(option), this.equalityKey));
|
|
},
|
|
changeFocusedOptionIndex(event, index) {
|
|
if (this.focusedOptionIndex !== index) {
|
|
this.focusedOptionIndex = index;
|
|
this.scrollInView();
|
|
|
|
if (this.selectOnFocus && !this.multiple) {
|
|
this.onOptionSelect(event, this.visibleOptions[index]);
|
|
}
|
|
}
|
|
},
|
|
scrollInView(index = -1) {
|
|
this.$nextTick(() => {
|
|
const id = index !== -1 ? `${this.id}_${index}` : this.focusedOptionId;
|
|
const element = DomHandler.findSingle(this.list, `li[id="${id}"]`);
|
|
|
|
if (element) {
|
|
element.scrollIntoView && element.scrollIntoView({ block: 'nearest', inline: 'nearest', behavior: 'smooth' });
|
|
} else if (!this.virtualScrollerDisabled) {
|
|
this.virtualScroller && this.virtualScroller.scrollToIndex(index !== -1 ? index : this.focusedOptionIndex);
|
|
}
|
|
});
|
|
},
|
|
autoUpdateModel() {
|
|
if (this.selectOnFocus && this.autoOptionFocus && !this.hasSelectedOption && !this.multiple && this.focused) {
|
|
this.focusedOptionIndex = this.findFirstFocusedOptionIndex();
|
|
this.onOptionSelect(null, this.visibleOptions[this.focusedOptionIndex]);
|
|
}
|
|
},
|
|
updateModel(event, value) {
|
|
this.$emit('update:modelValue', value);
|
|
this.$emit('change', { originalEvent: event, value });
|
|
},
|
|
flatOptions(options) {
|
|
return (options || []).reduce((result, option, index) => {
|
|
result.push({ optionGroup: option, group: true, index });
|
|
|
|
const optionGroupChildren = this.getOptionGroupChildren(option);
|
|
|
|
optionGroupChildren && optionGroupChildren.forEach((o) => result.push(o));
|
|
|
|
return result;
|
|
}, []);
|
|
},
|
|
listRef(el, contentRef) {
|
|
this.list = el;
|
|
contentRef && contentRef(el); // For VirtualScroller
|
|
},
|
|
virtualScrollerRef(el) {
|
|
this.virtualScroller = el;
|
|
}
|
|
},
|
|
computed: {
|
|
visibleOptions() {
|
|
const options = this.optionGroupLabel ? this.flatOptions(this.options) : this.options || [];
|
|
|
|
return this.filterValue ? FilterService.filter(options, this.searchFields, this.filterValue, this.filterMatchMode, this.filterLocale) : options;
|
|
},
|
|
hasSelectedOption() {
|
|
return ObjectUtils.isNotEmpty(this.modelValue);
|
|
},
|
|
equalityKey() {
|
|
return this.optionValue ? null : this.dataKey;
|
|
},
|
|
searchFields() {
|
|
return this.filterFields || [this.optionLabel];
|
|
},
|
|
filterResultMessageText() {
|
|
return ObjectUtils.isNotEmpty(this.visibleOptions) ? this.filterMessageText.replaceAll('{0}', this.visibleOptions.length) : this.emptyFilterMessageText;
|
|
},
|
|
filterMessageText() {
|
|
return this.filterMessage || this.$primevue.config.locale.searchMessage || '';
|
|
},
|
|
emptyFilterMessageText() {
|
|
return this.emptyFilterMessage || this.$primevue.config.locale.emptySearchMessage || this.$primevue.config.locale.emptyFilterMessage || '';
|
|
},
|
|
emptyMessageText() {
|
|
return this.emptyMessage || this.$primevue.config.locale.emptyMessage || '';
|
|
},
|
|
selectionMessageText() {
|
|
return this.selectionMessage || this.$primevue.config.locale.selectionMessage || '';
|
|
},
|
|
emptySelectionMessageText() {
|
|
return this.emptySelectionMessage || this.$primevue.config.locale.emptySelectionMessage || '';
|
|
},
|
|
selectedMessageText() {
|
|
return this.hasSelectedOption ? this.selectionMessageText.replaceAll('{0}', this.multiple ? this.modelValue.length : '1') : this.emptySelectionMessageText;
|
|
},
|
|
focusedOptionId() {
|
|
return this.focusedOptionIndex !== -1 ? `${this.id}_${this.focusedOptionIndex}` : null;
|
|
},
|
|
ariaSetSize() {
|
|
return this.visibleOptions.filter((option) => !this.isOptionGroup(option)).length;
|
|
},
|
|
virtualScrollerDisabled() {
|
|
return !this.virtualScrollerOptions;
|
|
}
|
|
},
|
|
directives: {
|
|
ripple: Ripple
|
|
},
|
|
components: {
|
|
InputText,
|
|
VirtualScroller,
|
|
InputIcon,
|
|
IconField,
|
|
SearchIcon,
|
|
CheckIcon,
|
|
BlankIcon
|
|
}
|
|
};
|
|
</script>
|