primevue-mirror/components/lib/listbox/Listbox.vue

744 lines
32 KiB
Vue
Executable File

<template>
<div :id="id" :class="cx('root')" @focusout="onFocusout" v-bind="ptm('root')" data-pc-name="listbox">
<span
ref="firstHiddenFocusableElement"
role="presentation"
aria-hidden="true"
class="p-hidden-accessible p-hidden-focusable"
:tabindex="!disabled ? tabindex : -1"
@focus="onFirstHiddenFocus"
v-bind="ptm('hiddenFirstFocusableEl')"
:data-p-hidden-accessible="true"
:data-p-hidden-focusable="true"
></span>
<slot name="header" :value="modelValue" :options="visibleOptions"></slot>
<div v-if="filter" :class="cx('header')" v-bind="ptm('header')">
<div :class="cx('filterContainer')" v-bind="ptm('filterContainer')">
<input
ref="filterInput"
v-model="filterValue"
type="text"
:class="cx('filterInput')"
:placeholder="filterPlaceholder"
role="searchbox"
autocomplete="off"
:aria-owns="id + '_list'"
:aria-activedescendant="focusedOptionId"
:tabindex="!disabled && !focused ? tabindex : -1"
@input="onFilterChange"
@blur="onFilterBlur"
@keydown="onFilterKeyDown"
v-bind="{ ...filterInputProps, ...ptm('filterInput') }"
/>
<slot name="filtericon" :class="cx('filterIcon')">
<component :is="filterIcon ? 'span' : 'SearchIcon'" :class="[cx('filterIcon'), filterIcon]" v-bind="ptm('filterIcon')" />
</slot>
</div>
<span role="status" aria-live="polite" class="p-hidden-accessible" v-bind="ptm('hiddenFilterResult')" :data-p-hidden-accessible="true">
{{ filterResultMessageText }}
</span>
</div>
<div ref="listWrapper" :class="cx('wrapper')" :style="listStyle" v-bind="ptm('wrapper')">
<VirtualScroller :ref="virtualScrollerRef" v-bind="virtualScrollerOptions" :style="listStyle" :items="visibleOptions" :tabindex="-1" :disabled="virtualScrollerDisabled" :pt="ptm('virtualScroller')">
<template v-slot:content="{ styleClass, contentRef, items, getItemOptions, contentStyle, itemSize }">
<ul
:ref="(el) => listRef(el, contentRef)"
:id="id + '_list'"
:class="[cx('list'), styleClass]"
:style="contentStyle"
:tabindex="-1"
role="listbox"
:aria-multiselectable="multiple"
:aria-label="ariaLabel"
:aria-labelledby="ariaLabelledby"
:aria-activedescendant="focused ? focusedOptionId : undefined"
:aria-disabled="disabled"
@focus="onListFocus"
@blur="onListBlur"
@keydown="onListKeyDown"
v-bind="ptm('list')"
>
<template v-for="(option, i) of items" :key="getOptionRenderKey(option, getOptionIndex(i, getItemOptions))">
<li v-if="isOptionGroup(option)" :id="id + '_' + getOptionIndex(i, getItemOptions)" :style="{ height: itemSize ? itemSize + 'px' : undefined }" :class="cx('itemGroup')" role="option" v-bind="ptm('itemGroup')">
<slot name="optiongroup" :option="option.optionGroup" :index="getOptionIndex(i, getItemOptions)">{{ getOptionGroupLabel(option.optionGroup) }}</slot>
</li>
<li
v-else
:id="id + '_' + getOptionIndex(i, getItemOptions)"
v-ripple
:style="{ height: itemSize ? itemSize + 'px' : undefined }"
:class="cx('item', { option, index: i, getItemOptions })"
role="option"
:aria-label="getOptionLabel(option)"
:aria-selected="isSelected(option)"
:aria-disabled="isOptionDisabled(option)"
:aria-setsize="ariaSetSize"
:aria-posinset="getAriaPosInset(getOptionIndex(i, getItemOptions))"
@click="onOptionSelect($event, option, getOptionIndex(i, getItemOptions))"
@mousedown="onOptionMouseDown($event, getOptionIndex(i, getItemOptions))"
@mousemove="onOptionMouseMove($event, getOptionIndex(i, getItemOptions))"
@touchend="onOptionTouchEnd()"
v-bind="getPTOptions(option, getItemOptions, i, 'item')"
:data-p-highlight="isSelected(option)"
:data-p-focused="focusedOptionIndex === getOptionIndex(i, getItemOptions)"
:data-p-disabled="isOptionDisabled(option)"
>
<slot name="option" :option="option" :index="getOptionIndex(i, getItemOptions)">{{ getOptionLabel(option) }}</slot>
</li>
</template>
<li v-if="filterValue && (!items || (items && items.length === 0))" :class="cx('emptyMessage')" role="option" v-bind="ptm('emptyMessage')">
<slot name="emptyfilter">{{ emptyFilterMessageText }}</slot>
</li>
<li v-else-if="!options || (options && options.length === 0)" :class="cx('emptyMessage')" role="option" v-bind="ptm('emptyMessage')">
<slot name="empty">{{ emptyMessageText }}</slot>
</li>
</ul>
</template>
<template v-if="$slots.loader" v-slot:loader="{ options }">
<slot name="loader" :options="options"></slot>
</template>
</VirtualScroller>
</div>
<slot name="footer" :value="modelValue" :options="visibleOptions"></slot>
<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">
{{ emptyMessageText }}
</span>
<span role="status" aria-live="polite" class="p-hidden-accessible" v-bind="ptm('hiddenSelectedMessage')" :data-p-hidden-accessible="true">
{{ selectedMessageText }}
</span>
<span
ref="lastHiddenFocusableElement"
role="presentation"
aria-hidden="true"
class="p-hidden-accessible p-hidden-focusable"
:tabindex="!disabled ? tabindex : -1"
@focus="onLastHiddenFocus"
v-bind="ptm('hiddenLastFocusableEl')"
:data-p-hidden-accessible="true"
:data-p-hidden-focusable="true"
></span>
</div>
</template>
<script>
import { FilterService } from 'primevue/api';
import SearchIcon from 'primevue/icons/search';
import Ripple from 'primevue/ripple';
import { DomHandler, ObjectUtils, UniqueComponentId } from 'primevue/utils';
import VirtualScroller from 'primevue/virtualscroller';
import BaseListbox from './BaseListbox.vue';
export default {
name: 'Listbox',
extends: BaseListbox,
emits: ['update:modelValue', 'change', 'focus', 'blur', 'filter'],
list: null,
virtualScroller: null,
optionTouched: false,
startRangeIndex: -1,
searchTimeout: null,
searchValue: '',
data() {
return {
id: this.$attrs.id,
filterValue: null,
focused: false,
focusedOptionIndex: -1
};
},
watch: {
'$attrs.id': function (newValue) {
this.id = newValue || UniqueComponentId();
},
options() {
this.autoUpdateModel();
}
},
beforeMount() {
this.id = this.id || UniqueComponentId();
},
mounted() {
this.autoUpdateModel();
},
methods: {
getOptionIndex(index, fn) {
return this.virtualScrollerDisabled ? index : fn && fn(index)['index'];
},
getOptionLabel(option) {
return this.optionLabel ? ObjectUtils.resolveFieldData(option, this.optionLabel) : option;
},
getOptionValue(option) {
return this.optionValue ? ObjectUtils.resolveFieldData(option, this.optionValue) : option;
},
getOptionRenderKey(option, index) {
return (this.dataKey ? ObjectUtils.resolveFieldData(option, this.dataKey) : this.getOptionLabel(option)) + '_' + index;
},
getPTOptions(option, itemOptions, index, key) {
return this.ptm(key, {
context: {
selected: this.isSelected(option),
focused: this.focusedOptionIndex === this.getOptionIndex(index, itemOptions),
disabled: this.isOptionDisabled(option)
}
});
},
isOptionDisabled(option) {
return this.optionDisabled ? ObjectUtils.resolveFieldData(option, this.optionDisabled) : false;
},
isOptionGroup(option) {
return this.optionGroupLabel && option.optionGroup && option.group;
},
getOptionGroupLabel(optionGroup) {
return ObjectUtils.resolveFieldData(optionGroup, this.optionGroupLabel);
},
getOptionGroupChildren(optionGroup) {
return ObjectUtils.resolveFieldData(optionGroup, this.optionGroupChildren);
},
getAriaPosInset(index) {
return (this.optionGroupLabel ? index - this.visibleOptions.slice(0, index).filter((option) => this.isOptionGroup(option)).length : index) + 1;
},
onFirstHiddenFocus() {
DomHandler.focus(this.list);
const firstFocusableEl = DomHandler.getFirstFocusableElement(this.$el, ':not([data-p-hidden-focusable="true"])');
this.$refs.lastHiddenFocusableElement.tabIndex = DomHandler.isElement(firstFocusableEl) ? undefined : -1;
this.$refs.firstHiddenFocusableElement.tabIndex = -1;
},
onLastHiddenFocus(event) {
const relatedTarget = event.relatedTarget;
if (relatedTarget === this.list) {
const firstFocusableEl = DomHandler.getFirstFocusableElement(this.$el, ':not([data-p-hidden-focusable="true"])');
DomHandler.focus(firstFocusableEl);
this.$refs.firstHiddenFocusableElement.tabIndex = undefined;
} else {
DomHandler.focus(this.$refs.firstHiddenFocusableElement);
}
this.$refs.lastHiddenFocusableElement.tabIndex = -1;
},
onFocusout(event) {
if (!this.$el.contains(event.relatedTarget) && this.$refs.lastHiddenFocusableElement && this.$refs.firstHiddenFocusableElement) {
this.$refs.lastHiddenFocusableElement.tabIndex = this.$refs.firstHiddenFocusableElement.tabIndex = undefined;
}
},
onListFocus(event) {
this.focused = true;
this.focusedOptionIndex = this.focusedOptionIndex !== -1 ? this.focusedOptionIndex : this.autoOptionFocus ? this.findFirstFocusedOptionIndex() : this.findSelectedOptionIndex();
this.autoUpdateModel();
this.$emit('focus', event);
},
onListBlur(event) {
this.focused = false;
this.focusedOptionIndex = this.startRangeIndex = -1;
this.searchValue = '';
this.$emit('blur', event);
},
onListKeyDown(event) {
const metaKey = event.metaKey || event.ctrlKey;
switch (event.code) {
case 'ArrowDown':
this.onArrowDownKey(event);
break;
case 'ArrowUp':
this.onArrowUpKey(event);
break;
case 'Home':
this.onHomeKey(event);
break;
case 'End':
this.onEndKey(event);
break;
case 'PageDown':
this.onPageDownKey(event);
break;
case 'PageUp':
this.onPageUpKey(event);
break;
case 'Enter':
case 'NumpadEnter':
case 'Space':
this.onSpaceKey(event);
break;
case 'Tab':
//NOOP
break;
case 'ShiftLeft':
case 'ShiftRight':
this.onShiftKey(event);
break;
default:
if (this.multiple && event.code === 'KeyA' && metaKey) {
const value = this.visibleOptions.filter((option) => this.isValidOption(option)).map((option) => this.getOptionValue(option));
this.updateModel(event, value);
event.preventDefault();
break;
}
if (!metaKey && ObjectUtils.isPrintableCharacter(event.key)) {
this.searchOptions(event, event.key);
event.preventDefault();
}
break;
}
},
onOptionSelect(event, option, index = -1) {
if (this.disabled || this.isOptionDisabled(option)) {
return;
}
this.multiple ? this.onOptionSelectMultiple(event, option) : this.onOptionSelectSingle(event, option);
this.optionTouched = false;
index !== -1 && (this.focusedOptionIndex = index);
},
onOptionMouseDown(event, index) {
this.changeFocusedOptionIndex(event, index);
},
onOptionMouseMove(event, index) {
if (this.focusOnHover && this.focused) {
this.changeFocusedOptionIndex(event, index);
}
},
onOptionTouchEnd() {
if (this.disabled) {
return;
}
this.optionTouched = true;
},
onOptionSelectSingle(event, option) {
let selected = this.isSelected(option);
let valueChanged = false;
let value = null;
let metaSelection = this.optionTouched ? false : this.metaKeySelection;
if (metaSelection) {
let metaKey = event && (event.metaKey || event.ctrlKey);
if (selected) {
if (metaKey) {
value = null;
valueChanged = true;
}
} else {
value = this.getOptionValue(option);
valueChanged = true;
}
} else {
value = selected ? null : this.getOptionValue(option);
valueChanged = true;
}
if (valueChanged) {
this.updateModel(event, value);
}
},
onOptionSelectMultiple(event, option) {
let selected = this.isSelected(option);
let value = null;
let metaSelection = this.optionTouched ? false : this.metaKeySelection;
if (metaSelection) {
let metaKey = event.metaKey || event.ctrlKey;
if (selected) {
value = metaKey ? this.removeOption(option) : [this.getOptionValue(option)];
} else {
value = metaKey ? this.modelValue || [] : [];
value = [...value, this.getOptionValue(option)];
}
} else {
value = selected ? this.removeOption(option) : [...(this.modelValue || []), this.getOptionValue(option)];
}
this.updateModel(event, value);
},
onOptionSelectRange(event, start = -1, end = -1) {
start === -1 && (start = this.findNearestSelectedOptionIndex(end, true));
end === -1 && (end = this.findNearestSelectedOptionIndex(start));
if (start !== -1 && end !== -1) {
const rangeStart = Math.min(start, end);
const rangeEnd = Math.max(start, end);
const value = this.visibleOptions
.slice(rangeStart, rangeEnd + 1)
.filter((option) => this.isValidOption(option))
.map((option) => this.getOptionValue(option));
this.updateModel(event, value);
}
},
onFilterChange(event) {
this.$emit('filter', { originalEvent: event, value: event.target.value });
this.focusedOptionIndex = this.startRangeIndex = -1;
},
onFilterBlur() {
this.focusedOptionIndex = this.startRangeIndex = -1;
},
onFilterKeyDown(event) {
switch (event.code) {
case 'ArrowDown':
this.onArrowDownKey(event);
break;
case 'ArrowUp':
this.onArrowUpKey(event);
break;
case 'ArrowLeft':
case 'ArrowRight':
this.onArrowLeftKey(event, true);
break;
case 'Home':
this.onHomeKey(event, true);
break;
case 'End':
this.onEndKey(event, true);
break;
case 'Enter':
case 'NumpadEnter':
this.onEnterKey(event);
break;
case 'ShiftLeft':
case 'ShiftRight':
this.onShiftKey(event);
break;
default:
break;
}
},
onArrowDownKey(event) {
const optionIndex = this.focusedOptionIndex !== -1 ? this.findNextOptionIndex(this.focusedOptionIndex) : this.findFirstFocusedOptionIndex();
if (this.multiple && event.shiftKey) {
this.onOptionSelectRange(event, this.startRangeIndex, optionIndex);
}
this.changeFocusedOptionIndex(event, optionIndex);
event.preventDefault();
},
onArrowUpKey(event) {
const optionIndex = this.focusedOptionIndex !== -1 ? this.findPrevOptionIndex(this.focusedOptionIndex) : this.findLastFocusedOptionIndex();
if (this.multiple && event.shiftKey) {
this.onOptionSelectRange(event, optionIndex, this.startRangeIndex);
}
this.changeFocusedOptionIndex(event, optionIndex);
event.preventDefault();
},
onArrowLeftKey(event, pressedInInputText = false) {
pressedInInputText && (this.focusedOptionIndex = -1);
},
onHomeKey(event, pressedInInputText = false) {
if (pressedInInputText) {
event.currentTarget.setSelectionRange(0, 0);
this.focusedOptionIndex = -1;
} else {
let metaKey = event.metaKey || event.ctrlKey;
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]);
}
event.preventDefault();
},
onSpaceKey(event) {
this.onEnterKey(event);
},
onShiftKey() {
this.startRangeIndex = this.focusedOptionIndex;
},
isOptionMatched(option) {
return this.isValidOption(option) && 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="${id}"]`);
if (element) {
element.scrollIntoView && element.scrollIntoView({ block: 'nearest', inline: 'nearest' });
} else if (!this.virtualScrollerDisabled) {
this.virtualScroller && this.virtualScroller.scrollToIndex(index !== -1 ? index : this.focusedOptionIndex);
}
});
},
autoUpdateModel() {
if (this.selectOnFocus && this.autoOptionFocus && !this.hasSelectedOption && !this.multiple && this.focused) {
this.focusedOptionIndex = this.findFirstFocusedOptionIndex();
this.onOptionSelect(null, this.visibleOptions[this.focusedOptionIndex]);
}
},
updateModel(event, value) {
this.$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: {
VirtualScroller: VirtualScroller,
SearchIcon: SearchIcon
}
};
</script>