1073 lines
48 KiB
Vue
Executable File
1073 lines
48 KiB
Vue
Executable File
<template>
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<div ref="container" :class="cx('root')" @click="onContainerClick" v-bind="ptm('root')" data-pc-name="multiselect">
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<div class="p-hidden-accessible" v-bind="ptm('hiddenInputWrapper')" :data-p-hidden-accessible="true">
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<input
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ref="focusInput"
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:id="inputId"
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type="text"
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readonly
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:disabled="disabled"
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:placeholder="placeholder"
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:tabindex="!disabled ? tabindex : -1"
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role="combobox"
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:aria-label="ariaLabel"
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:aria-labelledby="ariaLabelledby"
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aria-haspopup="listbox"
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:aria-expanded="overlayVisible"
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:aria-controls="id + '_list'"
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:aria-activedescendant="focused ? focusedOptionId : undefined"
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@focus="onFocus"
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@blur="onBlur"
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@keydown="onKeyDown"
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v-bind="{ ...inputProps, ...ptm('hiddenInput') }"
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/>
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</div>
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<div :class="cx('labelContainer')" v-bind="ptm('labelContainer')">
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<div :class="cx('label')" v-bind="ptm('label')">
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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 chipSelectedItems" :key="getLabelByValue(item)" :class="cx('token')" v-bind="ptm('token')">
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<slot name="chip" :value="item">
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<span :class="cx('tokenLabel')" v-bind="ptm('tokenLabel')">{{ getLabelByValue(item) }}</span>
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</slot>
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<slot v-if="!disabled" name="removetokenicon" :class="cx('removeTokenIcon')" :item="item" :onClick="(event) => removeOption(event, item)">
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<span v-if="removeTokenIcon" :class="[cx('removeTokenIcon'), removeTokenIcon]" @click.stop="removeOption($event, item)" v-bind="ptm('removeTokenIcon')" />
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<TimesCircleIcon v-else :class="cx('removeTokenIcon')" @click.stop="removeOption($event, item)" v-bind="ptm('removeTokenIcon')" />
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</slot>
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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="cx('trigger')" v-bind="ptm('trigger')">
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<slot v-if="loading" name="loadingicon" :class="cx('loadingIcon')">
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<span v-if="loadingIcon" :class="[cx('loadingIcon'), 'pi-spin', loadingIcon]" aria-hidden="true" v-bind="ptm('loadingIcon')" />
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<SpinnerIcon v-else :class="cx('loadingIcon')" spin aria-hidden="true" v-bind="ptm('loadingIcon')" />
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</slot>
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<slot v-else name="dropdownicon" :class="cx('dropdownIcon')">
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<component :is="dropdownIcon ? 'span' : 'ChevronDownIcon'" :class="[cx('dropdownIcon'), dropdownIcon]" aria-hidden="true" v-bind="ptm('dropdownIcon')" />
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</slot>
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</div>
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<Portal :appendTo="appendTo">
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<transition name="p-connected-overlay" @enter="onOverlayEnter" @after-enter="onOverlayAfterEnter" @leave="onOverlayLeave" @after-leave="onOverlayAfterLeave" v-bind="ptm('transition')">
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<div v-if="overlayVisible" :ref="overlayRef" :style="panelStyle" :class="[cx('panel'), panelClass]" @click="onOverlayClick" @keydown="onOverlayKeyDown" v-bind="{ ...panelProps, ...ptm('panel') }">
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<span
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ref="firstHiddenFocusableElementOnOverlay"
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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="0"
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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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<slot name="header" :value="modelValue" :options="visibleOptions"></slot>
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<div v-if="(showToggleAll && selectionLimit == null) || filter" :class="cx('header')" v-bind="ptm('header')">
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<div v-if="showToggleAll && selectionLimit == null" :class="cx('headerCheckboxContainer')" @click="onToggleAll" v-bind="ptm('headerCheckboxContainer')">
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<div class="p-hidden-accessible" v-bind="ptm('hiddenInputWrapper')" :data-p-hidden-accessible="true">
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<input type="checkbox" readonly :checked="allSelected" :aria-label="toggleAllAriaLabel" @focus="onHeaderCheckboxFocus" @blur="onHeaderCheckboxBlur" v-bind="ptm('headerCheckbox')" />
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</div>
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<div :class="cx('headerCheckbox')" v-bind="getHeaderCheckboxPTOptions('headerCheckbox')">
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<slot name="headercheckboxicon" :allSelected="allSelected" :class="cx('headerCheckboxIcon')">
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<component v-show="allSelected" :is="checkboxIcon ? 'span' : 'CheckIcon'" :class="[cx('headerCheckboxIcon'), { [checkboxIcon]: allSelected }]" v-bind="getHeaderCheckboxPTOptions('headerCheckboxIcon')" />
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</slot>
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</div>
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</div>
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<div v-if="filter" :class="cx('filterContainer')" v-bind="ptm('filterContainer')">
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<input
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ref="filterInput"
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type="text"
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:value="filterValue"
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@vue:mounted="onFilterUpdated"
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:class="cx('filterInput')"
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:placeholder="filterPlaceholder"
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role="searchbox"
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autocomplete="off"
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:aria-owns="id + '_list'"
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:aria-activedescendant="focusedOptionId"
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@keydown="onFilterKeyDown"
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@blur="onFilterBlur"
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@input="onFilterChange"
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v-bind="{ ...filterInputProps, ...ptm('filterInput') }"
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/>
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<slot name="filtericon" :class="cx('filterIcon')">
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<component :is="filterIcon ? 'span' : 'SearchIcon'" :class="[cx('filterIcon'), filterIcon]" v-bind="ptm('filterIcon')" />
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</slot>
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</div>
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<span v-if="filter" 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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<button v-ripple :class="cx('closeButton')" :aria-label="closeAriaLabel" @click="onCloseClick" type="button" v-bind="{ ...closeButtonProps, ...ptm('closeButton') }">
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<slot name="closeicon" :class="cx('closeIcon')">
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<component :is="closeIcon ? 'span' : 'TimesIcon'" :class="[cx('closeIcon'), closeIcon]" v-bind="ptm('closeIcon')" />
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</slot>
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</button>
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</div>
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<div :class="cx('wrapper')" :style="{ 'max-height': virtualScrollerDisabled ? scrollHeight : '' }" v-bind="ptm('wrapper')">
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<VirtualScroller :ref="virtualScrollerRef" v-bind="virtualScrollerOptions" :items="visibleOptions" :style="{ height: scrollHeight }" :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 :ref="(el) => listRef(el, contentRef)" :id="id + '_list'" :class="[cx('list'), styleClass]" :style="contentStyle" role="listbox" aria-multiselectable="true" v-bind="ptm('list')">
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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('itemGroup')" role="option" v-bind="ptm('itemGroup')">
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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('item', { 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($event, option, getOptionIndex(i, getItemOptions), true)"
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@mousemove="onOptionMouseMove($event, getOptionIndex(i, getItemOptions))"
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v-bind="getCheckboxPTOptions(option, getItemOptions, i, 'item')"
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:data-p-highlight="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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<div :class="cx('checkboxContainer')" v-bind="ptm('checkboxContainer')">
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<div :class="cx('checkbox', { option })" v-bind="getCheckboxPTOptions(option, getItemOptions, i, 'checkbox')">
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<slot name="itemcheckboxicon" :selected="isSelected(option)" :class="cx('checkboxIcon')">
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<component
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v-show="isSelected(option)"
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:is="checkboxIcon ? 'span' : 'CheckIcon'"
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:class="[cx('checkboxIcon'), { [checkboxIcon]: isSelected(option) }]"
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v-bind="getCheckboxPTOptions(option, getItemOptions, i, 'checkboxIcon')"
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/>
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</slot>
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</div>
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</div>
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<slot name="option" :option="option" :index="getOptionIndex(i, getItemOptions)">
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<span v-bind="ptm('option')">{{ getOptionLabel(option) }}</span>
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</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="lastHiddenFocusableElementOnOverlay"
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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="0"
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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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</transition>
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</Portal>
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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 CheckIcon from 'primevue/icons/check';
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import ChevronDownIcon from 'primevue/icons/chevrondown';
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import SearchIcon from 'primevue/icons/search';
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import SpinnerIcon from 'primevue/icons/spinner';
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import TimesIcon from 'primevue/icons/times';
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import TimesCircleIcon from 'primevue/icons/timescircle';
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import OverlayEventBus from 'primevue/overlayeventbus';
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import Portal from 'primevue/portal';
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import Ripple from 'primevue/ripple';
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import { ConnectedOverlayScrollHandler, DomHandler, ObjectUtils, UniqueComponentId, ZIndexUtils } from 'primevue/utils';
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import VirtualScroller from 'primevue/virtualscroller';
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import BaseMultiSelect from './BaseMultiSelect.vue';
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export default {
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name: 'MultiSelect',
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extends: BaseMultiSelect,
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emits: ['update:modelValue', 'change', 'focus', 'blur', 'before-show', 'before-hide', 'show', 'hide', 'filter', 'selectall-change'],
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outsideClickListener: null,
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scrollHandler: null,
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resizeListener: null,
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overlay: null,
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list: null,
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virtualScroller: null,
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startRangeIndex: -1,
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searchTimeout: null,
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searchValue: '',
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selectOnFocus: false,
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focusOnHover: false,
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data() {
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return {
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id: this.$attrs.id,
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focused: false,
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focusedOptionIndex: -1,
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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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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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beforeUnmount() {
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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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if (this.overlay) {
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ZIndexUtils.clear(this.overlay);
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this.overlay = null;
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}
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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) : 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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getHeaderCheckboxPTOptions(key) {
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return this.ptm(key, {
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context: {
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selected: this.allSelected,
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focused: this.headerCheckboxFocused
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}
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});
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},
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getCheckboxPTOptions(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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if (this.maxSelectionLimitReached && !this.isSelected(option)) {
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return true;
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}
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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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show(isFocus) {
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this.$emit('before-show');
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this.overlayVisible = true;
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this.focusedOptionIndex = this.focusedOptionIndex !== -1 ? this.focusedOptionIndex : this.autoOptionFocus ? this.findFirstFocusedOptionIndex() : -1;
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isFocus && DomHandler.focus(this.$refs.focusInput);
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},
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hide(isFocus) {
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const _hide = () => {
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this.$emit('before-hide');
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this.overlayVisible = false;
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this.focusedOptionIndex = -1;
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this.searchValue = '';
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this.resetFilterOnHide && (this.filterValue = null);
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isFocus && DomHandler.focus(this.$refs.focusInput);
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};
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setTimeout(() => {
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_hide();
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}, 0); // For ScreenReaders
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},
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onFocus(event) {
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if (this.disabled) {
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// For ScreenReaders
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return;
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}
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this.focused = true;
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this.focusedOptionIndex = this.focusedOptionIndex !== -1 ? this.focusedOptionIndex : this.overlayVisible && this.autoOptionFocus ? this.findFirstFocusedOptionIndex() : -1;
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this.overlayVisible && this.scrollInView(this.focusedOptionIndex);
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this.$emit('focus', event);
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},
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onBlur(event) {
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this.focused = false;
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this.focusedOptionIndex = -1;
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this.searchValue = '';
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this.$emit('blur', event);
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},
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onKeyDown(event) {
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if (this.disabled) {
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event.preventDefault();
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return;
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}
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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 'Space':
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this.onEnterKey(event);
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break;
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case 'Escape':
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this.onEscapeKey(event);
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break;
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case 'Tab':
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this.onTabKey(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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if (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.overlayVisible && this.show();
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this.searchOptions(event);
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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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onContainerClick(event) {
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if (this.disabled || this.loading) {
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return;
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}
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if (!this.overlay || !this.overlay.contains(event.target)) {
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this.overlayVisible ? this.hide(true) : this.show(true);
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}
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},
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onFirstHiddenFocus(event) {
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const focusableEl = event.relatedTarget === this.$refs.focusInput ? DomHandler.getFirstFocusableElement(this.overlay, ':not([data-p-hidden-focusable="true"])') : this.$refs.focusInput;
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DomHandler.focus(focusableEl);
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},
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onLastHiddenFocus(event) {
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const focusableEl = event.relatedTarget === this.$refs.focusInput ? DomHandler.getLastFocusableElement(this.overlay, ':not([data-p-hidden-focusable="true"])') : this.$refs.focusInput;
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DomHandler.focus(focusableEl);
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},
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onCloseClick() {
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this.hide(true);
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},
|
|
onHeaderCheckboxFocus() {
|
|
this.headerCheckboxFocused = true;
|
|
},
|
|
onHeaderCheckboxBlur() {
|
|
this.headerCheckboxFocused = false;
|
|
},
|
|
onOptionSelect(event, option, index = -1, isFocus = false) {
|
|
if (this.disabled || this.isOptionDisabled(option)) {
|
|
return;
|
|
}
|
|
|
|
let selected = this.isSelected(option);
|
|
let value = null;
|
|
|
|
if (selected) value = this.modelValue.filter((val) => !ObjectUtils.equals(val, this.getOptionValue(option), this.equalityKey));
|
|
else value = [...(this.modelValue || []), this.getOptionValue(option)];
|
|
|
|
this.updateModel(event, value);
|
|
index !== -1 && (this.focusedOptionIndex = index);
|
|
isFocus && DomHandler.focus(this.$refs.focusInput);
|
|
},
|
|
onOptionMouseMove(event, index) {
|
|
if (this.focusOnHover) {
|
|
this.changeFocusedOptionIndex(event, index);
|
|
}
|
|
},
|
|
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) {
|
|
const value = event.target.value;
|
|
|
|
this.filterValue = value;
|
|
this.focusedOptionIndex = -1;
|
|
this.$emit('filter', { originalEvent: event, value });
|
|
|
|
!this.virtualScrollerDisabled && this.virtualScroller.scrollToIndex(0);
|
|
},
|
|
onFilterKeyDown(event) {
|
|
switch (event.code) {
|
|
case 'ArrowDown':
|
|
this.onArrowDownKey(event);
|
|
break;
|
|
|
|
case 'ArrowUp':
|
|
this.onArrowUpKey(event, true);
|
|
break;
|
|
|
|
case 'ArrowLeft':
|
|
case 'ArrowRight':
|
|
this.onArrowLeftKey(event, true);
|
|
break;
|
|
|
|
case 'Home':
|
|
this.onHomeKey(event, true);
|
|
break;
|
|
|
|
case 'End':
|
|
this.onEndKey(event, true);
|
|
break;
|
|
|
|
case 'Enter':
|
|
this.onEnterKey(event);
|
|
break;
|
|
|
|
case 'Escape':
|
|
this.onEscapeKey(event);
|
|
break;
|
|
|
|
case 'Tab':
|
|
this.onTabKey(event, true);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
},
|
|
onFilterBlur() {
|
|
this.focusedOptionIndex = -1;
|
|
},
|
|
onFilterUpdated() {
|
|
if (this.overlayVisible) {
|
|
this.alignOverlay();
|
|
}
|
|
},
|
|
onOverlayClick(event) {
|
|
OverlayEventBus.emit('overlay-click', {
|
|
originalEvent: event,
|
|
target: this.$el
|
|
});
|
|
},
|
|
onOverlayKeyDown(event) {
|
|
switch (event.code) {
|
|
case 'Escape':
|
|
this.onEscapeKey(event);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
},
|
|
onArrowDownKey(event) {
|
|
const optionIndex = this.focusedOptionIndex !== -1 ? this.findNextOptionIndex(this.focusedOptionIndex) : this.findFirstFocusedOptionIndex();
|
|
|
|
if (event.shiftKey) {
|
|
this.onOptionSelectRange(event, this.startRangeIndex, optionIndex);
|
|
}
|
|
|
|
this.changeFocusedOptionIndex(event, optionIndex);
|
|
|
|
!this.overlayVisible && this.show();
|
|
event.preventDefault();
|
|
},
|
|
onArrowUpKey(event, pressedInInputText = false) {
|
|
if (event.altKey && !pressedInInputText) {
|
|
if (this.focusedOptionIndex !== -1) {
|
|
this.onOptionSelect(event, this.visibleOptions[this.focusedOptionIndex]);
|
|
}
|
|
|
|
this.overlayVisible && this.hide();
|
|
event.preventDefault();
|
|
} else {
|
|
const optionIndex = this.focusedOptionIndex !== -1 ? this.findPrevOptionIndex(this.focusedOptionIndex) : this.findLastFocusedOptionIndex();
|
|
|
|
if (event.shiftKey) {
|
|
this.onOptionSelectRange(event, optionIndex, this.startRangeIndex);
|
|
}
|
|
|
|
this.changeFocusedOptionIndex(event, optionIndex);
|
|
|
|
!this.overlayVisible && this.show();
|
|
event.preventDefault();
|
|
}
|
|
},
|
|
onArrowLeftKey(event, pressedInInputText = false) {
|
|
pressedInInputText && (this.focusedOptionIndex = -1);
|
|
},
|
|
onHomeKey(event, pressedInInputText = false) {
|
|
const { currentTarget } = event;
|
|
|
|
if (pressedInInputText) {
|
|
const len = currentTarget.value.length;
|
|
|
|
currentTarget.setSelectionRange(0, event.shiftKey ? len : 0);
|
|
this.focusedOptionIndex = -1;
|
|
} else {
|
|
let metaKey = event.metaKey || event.ctrlKey;
|
|
let optionIndex = this.findFirstOptionIndex();
|
|
|
|
if (event.shiftKey && metaKey) {
|
|
this.onOptionSelectRange(event, optionIndex, this.startRangeIndex);
|
|
}
|
|
|
|
this.changeFocusedOptionIndex(event, optionIndex);
|
|
|
|
!this.overlayVisible && this.show();
|
|
}
|
|
|
|
event.preventDefault();
|
|
},
|
|
onEndKey(event, pressedInInputText = false) {
|
|
const { currentTarget } = event;
|
|
|
|
if (pressedInInputText) {
|
|
const len = currentTarget.value.length;
|
|
|
|
currentTarget.setSelectionRange(event.shiftKey ? 0 : len, len);
|
|
this.focusedOptionIndex = -1;
|
|
} else {
|
|
let metaKey = event.metaKey || event.ctrlKey;
|
|
let optionIndex = this.findLastOptionIndex();
|
|
|
|
if (event.shiftKey && metaKey) {
|
|
this.onOptionSelectRange(event, this.startRangeIndex, optionIndex);
|
|
}
|
|
|
|
this.changeFocusedOptionIndex(event, optionIndex);
|
|
|
|
!this.overlayVisible && this.show();
|
|
}
|
|
|
|
event.preventDefault();
|
|
},
|
|
onPageUpKey(event) {
|
|
this.scrollInView(0);
|
|
event.preventDefault();
|
|
},
|
|
onPageDownKey(event) {
|
|
this.scrollInView(this.visibleOptions.length - 1);
|
|
event.preventDefault();
|
|
},
|
|
onEnterKey(event) {
|
|
if (!this.overlayVisible) {
|
|
this.onArrowDownKey(event);
|
|
} else {
|
|
if (this.focusedOptionIndex !== -1) {
|
|
if (event.shiftKey) this.onOptionSelectRange(event, this.focusedOptionIndex);
|
|
else this.onOptionSelect(event, this.visibleOptions[this.focusedOptionIndex]);
|
|
}
|
|
}
|
|
|
|
event.preventDefault();
|
|
},
|
|
onEscapeKey(event) {
|
|
this.overlayVisible && this.hide(true);
|
|
event.preventDefault();
|
|
},
|
|
onTabKey(event, pressedInInputText = false) {
|
|
if (!pressedInInputText) {
|
|
if (this.overlayVisible && this.hasFocusableElements()) {
|
|
DomHandler.focus(event.shiftKey ? this.$refs.lastHiddenFocusableElementOnOverlay : this.$refs.firstHiddenFocusableElementOnOverlay);
|
|
|
|
event.preventDefault();
|
|
} else {
|
|
if (this.focusedOptionIndex !== -1) {
|
|
this.onOptionSelect(event, this.visibleOptions[this.focusedOptionIndex]);
|
|
}
|
|
|
|
this.overlayVisible && this.hide(this.filter);
|
|
}
|
|
}
|
|
},
|
|
onShiftKey() {
|
|
this.startRangeIndex = this.focusedOptionIndex;
|
|
},
|
|
onOverlayEnter(el) {
|
|
ZIndexUtils.set('overlay', el, this.$primevue.config.zIndex.overlay);
|
|
|
|
DomHandler.addStyles(el, { position: 'absolute', top: '0', left: '0' });
|
|
this.alignOverlay();
|
|
this.scrollInView();
|
|
|
|
this.autoFilterFocus && DomHandler.focus(this.$refs.filterInput);
|
|
},
|
|
onOverlayAfterEnter() {
|
|
this.bindOutsideClickListener();
|
|
this.bindScrollListener();
|
|
this.bindResizeListener();
|
|
|
|
this.$emit('show');
|
|
},
|
|
onOverlayLeave() {
|
|
this.unbindOutsideClickListener();
|
|
this.unbindScrollListener();
|
|
this.unbindResizeListener();
|
|
|
|
this.$emit('hide');
|
|
this.overlay = null;
|
|
},
|
|
onOverlayAfterLeave(el) {
|
|
ZIndexUtils.clear(el);
|
|
},
|
|
alignOverlay() {
|
|
if (this.appendTo === 'self') {
|
|
DomHandler.relativePosition(this.overlay, this.$el);
|
|
} else {
|
|
this.overlay.style.minWidth = DomHandler.getOuterWidth(this.$el) + 'px';
|
|
DomHandler.absolutePosition(this.overlay, this.$el);
|
|
}
|
|
},
|
|
bindOutsideClickListener() {
|
|
if (!this.outsideClickListener) {
|
|
this.outsideClickListener = (event) => {
|
|
if (this.overlayVisible && this.isOutsideClicked(event)) {
|
|
this.hide();
|
|
}
|
|
};
|
|
|
|
document.addEventListener('click', this.outsideClickListener);
|
|
}
|
|
},
|
|
unbindOutsideClickListener() {
|
|
if (this.outsideClickListener) {
|
|
document.removeEventListener('click', this.outsideClickListener);
|
|
this.outsideClickListener = null;
|
|
}
|
|
},
|
|
bindScrollListener() {
|
|
if (!this.scrollHandler) {
|
|
this.scrollHandler = new ConnectedOverlayScrollHandler(this.$refs.container, () => {
|
|
if (this.overlayVisible) {
|
|
this.hide();
|
|
}
|
|
});
|
|
}
|
|
|
|
this.scrollHandler.bindScrollListener();
|
|
},
|
|
unbindScrollListener() {
|
|
if (this.scrollHandler) {
|
|
this.scrollHandler.unbindScrollListener();
|
|
}
|
|
},
|
|
bindResizeListener() {
|
|
if (!this.resizeListener) {
|
|
this.resizeListener = () => {
|
|
if (this.overlayVisible && !DomHandler.isTouchDevice()) {
|
|
this.hide();
|
|
}
|
|
};
|
|
|
|
window.addEventListener('resize', this.resizeListener);
|
|
}
|
|
},
|
|
unbindResizeListener() {
|
|
if (this.resizeListener) {
|
|
window.removeEventListener('resize', this.resizeListener);
|
|
this.resizeListener = null;
|
|
}
|
|
},
|
|
isOutsideClicked(event) {
|
|
return !(this.$el.isSameNode(event.target) || this.$el.contains(event.target) || (this.overlay && this.overlay.contains(event.target)));
|
|
},
|
|
getLabelByValue(value) {
|
|
const options = this.optionGroupLabel ? this.flatOptions(this.options) : this.options || [];
|
|
const matchedOption = options.find((option) => !this.isOptionGroup(option) && ObjectUtils.equals(this.getOptionValue(option), value, this.equalityKey));
|
|
|
|
return matchedOption ? this.getOptionLabel(matchedOption) : null;
|
|
},
|
|
getSelectedItemsLabel() {
|
|
let pattern = /{(.*?)}/;
|
|
const selectedItemsLabel = this.$primevue.config.locale.selectionMessage || this.selectedItemsLabel;
|
|
|
|
if (pattern.test(selectedItemsLabel)) {
|
|
return selectedItemsLabel.replace(selectedItemsLabel.match(pattern)[0], this.modelValue.length + '');
|
|
}
|
|
|
|
return selectedItemsLabel;
|
|
},
|
|
onToggleAll(event) {
|
|
if (this.selectAll !== null) {
|
|
this.$emit('selectall-change', { originalEvent: event, checked: !this.allSelected });
|
|
} else {
|
|
const value = this.allSelected ? [] : this.visibleOptions.filter((option) => this.isValidOption(option)).map((option) => this.getOptionValue(option));
|
|
|
|
this.updateModel(event, value);
|
|
}
|
|
|
|
this.headerCheckboxFocused = true;
|
|
},
|
|
removeOption(event, optionValue) {
|
|
let value = this.modelValue.filter((val) => !ObjectUtils.equals(val, optionValue, this.equalityKey));
|
|
|
|
this.updateModel(event, value);
|
|
},
|
|
clearFilter() {
|
|
this.filterValue = null;
|
|
},
|
|
hasFocusableElements() {
|
|
return DomHandler.getFocusableElements(this.overlay, ':not([data-p-hidden-focusable="true"])').length > 0;
|
|
},
|
|
isOptionMatched(option) {
|
|
return this.isValidOption(option) && this.getOptionLabel(option).toLocaleLowerCase(this.filterLocale).startsWith(this.searchValue.toLocaleLowerCase(this.filterLocale));
|
|
},
|
|
isValidOption(option) {
|
|
return option && !(this.isOptionDisabled(option) || this.isOptionGroup(option));
|
|
},
|
|
isValidSelectedOption(option) {
|
|
return this.isValidOption(option) && this.isSelected(option);
|
|
},
|
|
isSelected(option) {
|
|
const optionValue = this.getOptionValue(option);
|
|
|
|
return (this.modelValue || []).some((value) => ObjectUtils.equals(value, optionValue, this.equalityKey));
|
|
},
|
|
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;
|
|
},
|
|
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) {
|
|
this.searchValue = (this.searchValue || '') + event.key;
|
|
|
|
let optionIndex = -1;
|
|
|
|
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);
|
|
},
|
|
changeFocusedOptionIndex(event, index) {
|
|
if (this.focusedOptionIndex !== index) {
|
|
this.focusedOptionIndex = index;
|
|
this.scrollInView();
|
|
}
|
|
},
|
|
scrollInView(index = -1) {
|
|
const id = index !== -1 ? `${this.id}_${index}` : this.focusedOptionId;
|
|
const element = DomHandler.findSingle(this.list, `li[id="${id}"]`);
|
|
|
|
if (element) {
|
|
element.scrollIntoView && element.scrollIntoView({ block: 'nearest', inline: 'nearest' });
|
|
} else if (!this.virtualScrollerDisabled) {
|
|
this.virtualScroller && this.virtualScroller.scrollToIndex(index !== -1 ? index : this.focusedOptionIndex);
|
|
}
|
|
},
|
|
autoUpdateModel() {
|
|
if (this.selectOnFocus && this.autoOptionFocus && !this.hasSelectedOption) {
|
|
this.focusedOptionIndex = this.findFirstFocusedOptionIndex();
|
|
const value = this.getOptionValue(this.visibleOptions[this.focusedOptionIndex]);
|
|
|
|
this.updateModel(null, [value]);
|
|
}
|
|
},
|
|
updateModel(event, value) {
|
|
this.$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;
|
|
}, []);
|
|
},
|
|
overlayRef(el) {
|
|
this.overlay = el;
|
|
},
|
|
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 || [];
|
|
|
|
if (this.filterValue) {
|
|
const filteredOptions = FilterService.filter(options, this.searchFields, this.filterValue, this.filterMatchMode, this.filterLocale);
|
|
|
|
if (this.optionGroupLabel) {
|
|
const optionGroups = this.options || [];
|
|
const filtered = [];
|
|
|
|
optionGroups.forEach((group) => {
|
|
const groupChildren = this.getOptionGroupChildren(group);
|
|
const filteredItems = groupChildren.filter((item) => filteredOptions.includes(item));
|
|
|
|
if (filteredItems.length > 0) filtered.push({ ...group, [typeof this.optionGroupChildren === 'string' ? this.optionGroupChildren : 'items']: [...filteredItems] });
|
|
});
|
|
|
|
return this.flatOptions(filtered);
|
|
}
|
|
|
|
return filteredOptions;
|
|
}
|
|
|
|
return options;
|
|
},
|
|
label() {
|
|
// TODO: Refactor
|
|
let label;
|
|
|
|
if (this.modelValue && this.modelValue.length) {
|
|
if (ObjectUtils.isNotEmpty(this.maxSelectedLabels) && this.modelValue.length > this.maxSelectedLabels) {
|
|
return this.getSelectedItemsLabel();
|
|
} else {
|
|
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;
|
|
},
|
|
chipSelectedItems() {
|
|
return ObjectUtils.isNotEmpty(this.maxSelectedLabels) && this.modelValue && this.modelValue.length > this.maxSelectedLabels ? this.modelValue.slice(0, this.maxSelectedLabels) : this.modelValue;
|
|
},
|
|
allSelected() {
|
|
return this.selectAll !== null ? this.selectAll : ObjectUtils.isNotEmpty(this.visibleOptions) && this.visibleOptions.every((option) => this.isOptionGroup(option) || this.isOptionDisabled(option) || this.isSelected(option));
|
|
},
|
|
hasSelectedOption() {
|
|
return ObjectUtils.isNotEmpty(this.modelValue);
|
|
},
|
|
equalityKey() {
|
|
return this.optionValue ? null : this.dataKey;
|
|
},
|
|
searchFields() {
|
|
return this.filterFields || [this.optionLabel];
|
|
},
|
|
maxSelectionLimitReached() {
|
|
return this.selectionLimit && this.modelValue && this.modelValue.length === this.selectionLimit;
|
|
},
|
|
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.$primevue.config.locale.emptySelectionMessage || '';
|
|
},
|
|
selectedMessageText() {
|
|
return this.hasSelectedOption ? this.selectionMessageText.replaceAll('{0}', this.modelValue.length) : this.emptySelectionMessageText;
|
|
},
|
|
focusedOptionId() {
|
|
return this.focusedOptionIndex !== -1 ? `${this.id}_${this.focusedOptionIndex}` : null;
|
|
},
|
|
ariaSetSize() {
|
|
return this.visibleOptions.filter((option) => !this.isOptionGroup(option)).length;
|
|
},
|
|
toggleAllAriaLabel() {
|
|
return this.$primevue.config.locale.aria ? this.$primevue.config.locale.aria[this.allSelected ? 'selectAll' : 'unselectAll'] : undefined;
|
|
},
|
|
closeAriaLabel() {
|
|
return this.$primevue.config.locale.aria ? this.$primevue.config.locale.aria.close : undefined;
|
|
},
|
|
virtualScrollerDisabled() {
|
|
return !this.virtualScrollerOptions;
|
|
}
|
|
},
|
|
directives: {
|
|
ripple: Ripple
|
|
},
|
|
components: {
|
|
VirtualScroller: VirtualScroller,
|
|
Portal: Portal,
|
|
TimesIcon: TimesIcon,
|
|
SearchIcon: SearchIcon,
|
|
TimesCircleIcon: TimesCircleIcon,
|
|
ChevronDownIcon: ChevronDownIcon,
|
|
SpinnerIcon: SpinnerIcon,
|
|
CheckIcon: CheckIcon
|
|
}
|
|
};
|
|
</script>
|