949 lines
37 KiB
Vue
Executable File
949 lines
37 KiB
Vue
Executable File
<template>
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<div ref="container" :class="cx('root')" :style="sx('root')" @click="onContainerClick" v-bind="ptm('root')" data-pc-name="autocomplete">
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<input
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v-if="!multiple"
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ref="focusInput"
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:id="inputId"
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type="text"
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:class="[cx('input'), inputClass]"
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:style="inputStyle"
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:value="inputValue"
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:placeholder="placeholder"
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:tabindex="!disabled ? tabindex : -1"
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:disabled="disabled"
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autocomplete="off"
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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-autocomplete="list"
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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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@input="onInput"
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@change="onChange"
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v-bind="{ ...inputProps, ...ptm('input') }"
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/>
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<ul
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v-if="multiple"
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ref="multiContainer"
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:class="cx('container')"
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tabindex="-1"
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role="listbox"
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aria-orientation="horizontal"
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:aria-activedescendant="focused ? focusedMultipleOptionId : undefined"
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@focus="onMultipleContainerFocus"
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@blur="onMultipleContainerBlur"
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@keydown="onMultipleContainerKeyDown"
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v-bind="ptm('container')"
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>
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<li
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v-for="(option, i) of modelValue"
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:key="i"
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:id="id + '_multiple_option_' + i"
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:class="cx('token', { i })"
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role="option"
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:aria-label="getOptionLabel(option)"
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:aria-selected="true"
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:aria-setsize="modelValue.length"
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:aria-posinset="i + 1"
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v-bind="ptm('token')"
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>
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<slot name="chip" :value="option">
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<span :class="cx('tokenLabel')" v-bind="ptm('tokenLabel')">{{ getOptionLabel(option) }}</span>
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</slot>
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<slot name="removetokenicon" :class="cx(removeTokenIcon)" :onClick="(event) => removeOption(event, i)">
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<component :is="removeTokenIcon ? 'span' : 'TimesCircleIcon'" :class="[cx(removeTokenIcon), removeTokenIcon]" @click="removeOption($event, i)" aria-hidden="true" v-bind="ptm('removeTokenIcon')" />
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</slot>
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</li>
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<li :class="cx('inputToken')" role="option" v-bind="ptm('inputToken')">
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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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:style="inputStyle"
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:class="inputClass"
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:placeholder="placeholder"
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:tabindex="!disabled ? tabindex : -1"
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:disabled="disabled"
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autocomplete="off"
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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-autocomplete="list"
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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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@input="onInput"
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@change="onChange"
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v-bind="{ ...inputProps, ...ptm('input') }"
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/>
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</li>
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</ul>
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<slot v-if="searching" :class="cx('loadingIcon')" name="loadingicon">
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<i v-if="loadingIcon" :class="['pi-spin', cx('loadingIcon'), loadingIcon]" aria-hidden="true" v-bind="ptm('loadingIcon')" />
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<SpinnerIcon v-else :class="[cx('loadingIcon'), loadingIcon]" spin aria-hidden="true" v-bind="ptm('loadingIcon')" />
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</slot>
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<Button
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v-if="dropdown"
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ref="dropdownButton"
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type="button"
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tabindex="-1"
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:class="[cx('dropdownButton'), dropdownClass]"
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:disabled="disabled"
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aria-hidden="true"
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@click="onDropdownClick"
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:unstyled="unstyled"
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:pt="ptm('dropdownButton')"
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data-pc-section="dropdownbutton"
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>
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<template #icon>
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<slot name="dropdownicon" :class="dropdownIcon">
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<component :is="dropdownIcon ? 'span' : 'ChevronDownIcon'" :class="dropdownIcon" v-bind="ptm('dropdownButton')['icon']" />
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</slot>
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</template>
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</Button>
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<span role="status" aria-live="polite" class="p-hidden-accessible" v-bind="ptm('hiddenSearchResult')" :data-p-hidden-accessible="true">
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{{ searchResultMessageText }}
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</span>
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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">
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<div
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v-if="overlayVisible"
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:ref="overlayRef"
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:class="[cx('panel'), panelClass]"
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:style="{ ...panelStyle, 'max-height': virtualScrollerDisabled ? scrollHeight : '' }"
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@click="onOverlayClick"
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@keydown="onOverlayKeyDown"
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v-bind="{ ...panelProps, ...ptm('panel') }"
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>
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<slot name="header" :value="modelValue" :suggestions="visibleOptions"></slot>
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<VirtualScroller :ref="virtualScrollerRef" v-bind="virtualScrollerOptions" :style="{ height: scrollHeight }" :items="visibleOptions" :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" 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" :item="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, 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)"
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@mousemove="onOptionMouseMove($event, getOptionIndex(i, getItemOptions))"
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:data-p-highlight="isSelected(option)"
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:data-p-focus="focusedOptionIndex === getOptionIndex(i, getItemOptions)"
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:data-p-disabled="isOptionDisabled(option)"
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v-bind="getPTOptions(option, getItemOptions, i, 'item')"
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>
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<slot v-if="$slots.option" name="option" :option="option" :index="getOptionIndex(i, getItemOptions)">{{ getOptionLabel(option) }}</slot>
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<slot v-else name="item" :item="option" :index="getOptionIndex(i, getItemOptions)">{{ getOptionLabel(option) }}</slot>
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<!--TODO: Deprecated since v3.16.0-->
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</li>
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</template>
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<li v-if="!items || (items && items.length === 0)" :class="cx('emptyMessage')" role="option" v-bind="ptm('emptyMessage')">
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<slot name="empty">{{ searchResultMessageText }}</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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<slot name="footer" :value="modelValue" :suggestions="visibleOptions"></slot>
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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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</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 Button from 'primevue/button';
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import ChevronDownIcon from 'primevue/icons/chevrondown';
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import SpinnerIcon from 'primevue/icons/spinner';
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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 BaseAutoComplete from './BaseAutoComplete.vue';
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export default {
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name: 'AutoComplete',
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extends: BaseAutoComplete,
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emits: ['update:modelValue', 'change', 'focus', 'blur', 'item-select', 'item-unselect', 'dropdown-click', 'clear', 'complete', 'before-show', 'before-hide', 'show', 'hide'],
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outsideClickListener: null,
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resizeListener: null,
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scrollHandler: null,
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overlay: null,
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virtualScroller: null,
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searchTimeout: null,
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focusOnHover: false,
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dirty: 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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focusedMultipleOptionIndex: -1,
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overlayVisible: false,
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searching: false
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};
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},
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watch: {
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'$attrs.id': function (newValue) {
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this.id = newValue || UniqueComponentId();
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},
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suggestions() {
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if (this.searching) {
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ObjectUtils.isNotEmpty(this.suggestions) ? this.show() : !!this.$slots.empty ? this.show() : this.hide();
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this.focusedOptionIndex = this.overlayVisible && this.autoOptionFocus ? this.findFirstFocusedOptionIndex() : -1;
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this.searching = false;
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}
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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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updated() {
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if (this.overlayVisible) {
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this.alignOverlay();
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}
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},
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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.field || this.optionLabel ? ObjectUtils.resolveFieldData(option, this.field || this.optionLabel) : option;
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},
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getOptionValue(option) {
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return option; // TODO: The 'optionValue' properties can be added.
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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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show(isFocus) {
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this.$emit('before-show');
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this.dirty = true;
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this.overlayVisible = true;
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this.focusedOptionIndex = this.focusedOptionIndex !== -1 ? this.focusedOptionIndex : this.autoOptionFocus ? this.findFirstFocusedOptionIndex() : -1;
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isFocus && DomHandler.focus(this.$refs.focusInput);
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},
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hide(isFocus) {
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const _hide = () => {
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this.$emit('before-hide');
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this.dirty = isFocus;
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this.overlayVisible = false;
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this.focusedOptionIndex = -1;
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isFocus && DomHandler.focus(this.$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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if (!this.dirty && this.completeOnFocus) {
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this.search(event, event.target.value, 'focus');
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}
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this.dirty = true;
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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.$emit('focus', event);
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},
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onBlur(event) {
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this.dirty = false;
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this.focused = false;
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this.focusedOptionIndex = -1;
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this.$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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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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this.onArrowLeftKey(event);
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break;
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case 'ArrowRight':
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this.onArrowRightKey(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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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 'Backspace':
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this.onBackspaceKey(event);
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break;
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case 'ShiftLeft':
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case 'ShiftRight':
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//NOOP
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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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onInput(event) {
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if (this.searchTimeout) {
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clearTimeout(this.searchTimeout);
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}
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let query = event.target.value;
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if (!this.multiple) {
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this.updateModel(event, query);
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}
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if (query.length === 0) {
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this.hide();
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this.$emit('clear');
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} else {
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if (query.length >= this.minLength) {
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this.focusedOptionIndex = -1;
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this.searchTimeout = setTimeout(() => {
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this.search(event, query, 'input');
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}, this.delay);
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} else {
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this.hide();
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}
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}
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},
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onChange(event) {
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if (this.forceSelection) {
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let valid = false;
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if (this.visibleOptions) {
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const matchedValue = this.visibleOptions.find((option) => this.isOptionMatched(option, this.$refs.focusInput.value || ''));
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if (matchedValue !== undefined) {
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valid = true;
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!this.isSelected(matchedValue) && this.onOptionSelect(event, matchedValue);
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}
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}
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if (!valid) {
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this.$refs.focusInput.value = '';
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this.$emit('clear');
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!this.multiple && this.updateModel(event, null);
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}
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}
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},
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onMultipleContainerFocus() {
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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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},
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onMultipleContainerBlur() {
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this.focusedMultipleOptionIndex = -1;
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this.focused = false;
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},
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onMultipleContainerKeyDown(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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switch (event.code) {
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case 'ArrowLeft':
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this.onArrowLeftKeyOnMultiple(event);
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break;
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case 'ArrowRight':
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this.onArrowRightKeyOnMultiple(event);
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break;
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case 'Backspace':
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this.onBackspaceKeyOnMultiple(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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onContainerClick(event) {
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if (this.disabled || this.searching || this.isInputClicked(event) || this.isDropdownClicked(event)) {
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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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DomHandler.focus(this.$refs.focusInput);
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}
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},
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onDropdownClick(event) {
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let query = undefined;
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if (this.overlayVisible) {
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this.hide(true);
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} else {
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DomHandler.focus(this.$refs.focusInput);
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query = this.$refs.focusInput.value;
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if (this.dropdownMode === 'blank') this.search(event, '', 'dropdown');
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else if (this.dropdownMode === 'current') this.search(event, query, 'dropdown');
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}
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this.$emit('dropdown-click', { originalEvent: event, query });
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},
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onOptionSelect(event, option, isHide = true) {
|
|
const value = this.getOptionValue(option);
|
|
|
|
if (this.multiple) {
|
|
this.$refs.focusInput.value = '';
|
|
|
|
if (!this.isSelected(option)) {
|
|
this.updateModel(event, [...(this.modelValue || []), value]);
|
|
}
|
|
} else {
|
|
this.updateModel(event, value);
|
|
}
|
|
|
|
this.$emit('item-select', { originalEvent: event, value: option });
|
|
|
|
isHide && this.hide(true);
|
|
},
|
|
onOptionMouseMove(event, index) {
|
|
if (this.focusOnHover) {
|
|
this.changeFocusedOptionIndex(event, index);
|
|
}
|
|
},
|
|
onOverlayClick(event) {
|
|
OverlayEventBus.emit('overlay-click', {
|
|
originalEvent: event,
|
|
target: this.$el
|
|
});
|
|
},
|
|
onOverlayKeyDown(event) {
|
|
switch (event.code) {
|
|
case 'Escape':
|
|
this.onEscapeKey(event);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
},
|
|
onArrowDownKey(event) {
|
|
if (!this.overlayVisible) {
|
|
return;
|
|
}
|
|
|
|
const optionIndex = this.focusedOptionIndex !== -1 ? this.findNextOptionIndex(this.focusedOptionIndex) : this.findFirstFocusedOptionIndex();
|
|
|
|
this.changeFocusedOptionIndex(event, optionIndex);
|
|
|
|
event.preventDefault();
|
|
},
|
|
onArrowUpKey(event) {
|
|
if (!this.overlayVisible) {
|
|
return;
|
|
}
|
|
|
|
if (event.altKey) {
|
|
if (this.focusedOptionIndex !== -1) {
|
|
this.onOptionSelect(event, this.visibleOptions[this.focusedOptionIndex]);
|
|
}
|
|
|
|
this.overlayVisible && this.hide();
|
|
event.preventDefault();
|
|
} else {
|
|
const optionIndex = this.focusedOptionIndex !== -1 ? this.findPrevOptionIndex(this.focusedOptionIndex) : this.findLastFocusedOptionIndex();
|
|
|
|
this.changeFocusedOptionIndex(event, optionIndex);
|
|
|
|
event.preventDefault();
|
|
}
|
|
},
|
|
onArrowLeftKey(event) {
|
|
const target = event.currentTarget;
|
|
|
|
this.focusedOptionIndex = -1;
|
|
|
|
if (this.multiple) {
|
|
if (ObjectUtils.isEmpty(target.value) && this.hasSelectedOption) {
|
|
DomHandler.focus(this.$refs.multiContainer);
|
|
this.focusedMultipleOptionIndex = this.modelValue.length;
|
|
} else {
|
|
event.stopPropagation(); // To prevent onArrowLeftKeyOnMultiple method
|
|
}
|
|
}
|
|
},
|
|
onArrowRightKey(event) {
|
|
this.focusedOptionIndex = -1;
|
|
|
|
this.multiple && event.stopPropagation(); // To prevent onArrowRightKeyOnMultiple method
|
|
},
|
|
onHomeKey(event) {
|
|
const { currentTarget } = event;
|
|
const len = currentTarget.value.length;
|
|
|
|
currentTarget.setSelectionRange(0, event.shiftKey ? len : 0);
|
|
this.focusedOptionIndex = -1;
|
|
|
|
event.preventDefault();
|
|
},
|
|
onEndKey(event) {
|
|
const { currentTarget } = event;
|
|
const len = currentTarget.value.length;
|
|
|
|
currentTarget.setSelectionRange(event.shiftKey ? 0 : len, len);
|
|
this.focusedOptionIndex = -1;
|
|
|
|
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) {
|
|
this.onOptionSelect(event, this.visibleOptions[this.focusedOptionIndex]);
|
|
}
|
|
|
|
this.hide();
|
|
}
|
|
|
|
event.preventDefault();
|
|
},
|
|
onEscapeKey(event) {
|
|
this.overlayVisible && this.hide(true);
|
|
event.preventDefault();
|
|
},
|
|
onTabKey(event) {
|
|
if (this.focusedOptionIndex !== -1) {
|
|
this.onOptionSelect(event, this.visibleOptions[this.focusedOptionIndex]);
|
|
}
|
|
|
|
this.overlayVisible && this.hide();
|
|
},
|
|
onBackspaceKey(event) {
|
|
if (this.multiple) {
|
|
if (ObjectUtils.isNotEmpty(this.modelValue) && !this.$refs.focusInput.value) {
|
|
const removedValue = this.modelValue[this.modelValue.length - 1];
|
|
const newValue = this.modelValue.slice(0, -1);
|
|
|
|
this.$emit('update:modelValue', newValue);
|
|
this.$emit('item-unselect', { originalEvent: event, value: removedValue });
|
|
}
|
|
|
|
event.stopPropagation(); // To prevent onBackspaceKeyOnMultiple method
|
|
}
|
|
},
|
|
onArrowLeftKeyOnMultiple() {
|
|
this.focusedMultipleOptionIndex = this.focusedMultipleOptionIndex < 1 ? 0 : this.focusedMultipleOptionIndex - 1;
|
|
},
|
|
onArrowRightKeyOnMultiple() {
|
|
this.focusedMultipleOptionIndex++;
|
|
|
|
if (this.focusedMultipleOptionIndex > this.modelValue.length - 1) {
|
|
this.focusedMultipleOptionIndex = -1;
|
|
DomHandler.focus(this.$refs.focusInput);
|
|
}
|
|
},
|
|
onBackspaceKeyOnMultiple(event) {
|
|
if (this.focusedMultipleOptionIndex !== -1) {
|
|
this.removeOption(event, this.focusedMultipleOptionIndex);
|
|
}
|
|
},
|
|
onOverlayEnter(el) {
|
|
ZIndexUtils.set('overlay', el, this.$primevue.config.zIndex.overlay);
|
|
|
|
DomHandler.addStyles(el, { position: 'absolute', top: '0', left: '0' });
|
|
this.alignOverlay();
|
|
},
|
|
onOverlayAfterEnter() {
|
|
this.bindOutsideClickListener();
|
|
this.bindScrollListener();
|
|
this.bindResizeListener();
|
|
|
|
this.$emit('show');
|
|
},
|
|
onOverlayLeave() {
|
|
this.unbindOutsideClickListener();
|
|
this.unbindScrollListener();
|
|
this.unbindResizeListener();
|
|
|
|
this.$emit('hide');
|
|
this.overlay = null;
|
|
},
|
|
onOverlayAfterLeave(el) {
|
|
ZIndexUtils.clear(el);
|
|
},
|
|
alignOverlay() {
|
|
let target = this.multiple ? this.$refs.multiContainer : this.$refs.focusInput;
|
|
|
|
if (this.appendTo === 'self') {
|
|
DomHandler.relativePosition(this.overlay, target);
|
|
} else {
|
|
this.overlay.style.minWidth = DomHandler.getOuterWidth(target) + 'px';
|
|
DomHandler.absolutePosition(this.overlay, target);
|
|
}
|
|
},
|
|
bindOutsideClickListener() {
|
|
if (!this.outsideClickListener) {
|
|
this.outsideClickListener = (event) => {
|
|
if (this.overlayVisible && this.overlay && this.isOutsideClicked(event)) {
|
|
this.hide();
|
|
}
|
|
};
|
|
|
|
document.addEventListener('click', this.outsideClickListener);
|
|
}
|
|
},
|
|
unbindOutsideClickListener() {
|
|
if (this.outsideClickListener) {
|
|
document.removeEventListener('click', this.outsideClickListener);
|
|
this.outsideClickListener = null;
|
|
}
|
|
},
|
|
bindScrollListener() {
|
|
if (!this.scrollHandler) {
|
|
this.scrollHandler = new ConnectedOverlayScrollHandler(this.$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.overlay.contains(event.target) && !this.isInputClicked(event) && !this.isDropdownClicked(event);
|
|
},
|
|
isInputClicked(event) {
|
|
if (this.multiple) return event.target === this.$refs.multiContainer || this.$refs.multiContainer.contains(event.target);
|
|
else return event.target === this.$refs.focusInput;
|
|
},
|
|
isDropdownClicked(event) {
|
|
return this.$refs.dropdownButton ? event.target === this.$refs.dropdownButton || this.$refs.dropdownButton.$el.contains(event.target) : false;
|
|
},
|
|
isOptionMatched(option, value) {
|
|
return this.isValidOption(option) && this.getOptionLabel(option).toLocaleLowerCase(this.searchLocale) === value.toLocaleLowerCase(this.searchLocale);
|
|
},
|
|
isValidOption(option) {
|
|
return option && !(this.isOptionDisabled(option) || this.isOptionGroup(option));
|
|
},
|
|
isValidSelectedOption(option) {
|
|
return this.isValidOption(option) && this.isSelected(option);
|
|
},
|
|
isSelected(option) {
|
|
return ObjectUtils.equals(this.modelValue, this.getOptionValue(option), 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;
|
|
},
|
|
findSelectedOptionIndex() {
|
|
return this.hasSelectedOption ? this.visibleOptions.findIndex((option) => this.isValidSelectedOption(option)) : -1;
|
|
},
|
|
findFirstFocusedOptionIndex() {
|
|
const selectedIndex = this.findSelectedOptionIndex();
|
|
|
|
return selectedIndex < 0 ? this.findFirstOptionIndex() : selectedIndex;
|
|
},
|
|
findLastFocusedOptionIndex() {
|
|
const selectedIndex = this.findSelectedOptionIndex();
|
|
|
|
return selectedIndex < 0 ? this.findLastOptionIndex() : selectedIndex;
|
|
},
|
|
search(event, query, source) {
|
|
//allow empty string but not undefined or null
|
|
if (query === undefined || query === null) {
|
|
return;
|
|
}
|
|
|
|
//do not search blank values on input change
|
|
if (source === 'input' && query.trim().length === 0) {
|
|
return;
|
|
}
|
|
|
|
this.searching = true;
|
|
this.$emit('complete', { originalEvent: event, query });
|
|
},
|
|
removeOption(event, index) {
|
|
const removedOption = this.modelValue[index];
|
|
const value = this.modelValue.filter((_, i) => i !== index).map((option) => this.getOptionValue(option));
|
|
|
|
this.updateModel(event, value);
|
|
this.$emit('item-unselect', { originalEvent: event, value: removedOption });
|
|
this.dirty = true;
|
|
DomHandler.focus(this.$refs.focusInput);
|
|
},
|
|
changeFocusedOptionIndex(event, index) {
|
|
if (this.focusedOptionIndex !== index) {
|
|
this.focusedOptionIndex = index;
|
|
this.scrollInView();
|
|
|
|
if (this.selectOnFocus || this.autoHighlight) {
|
|
this.onOptionSelect(event, this.visibleOptions[index], false);
|
|
}
|
|
}
|
|
},
|
|
scrollInView(index = -1) {
|
|
const id = index !== -1 ? `${this.id}_${index}` : this.focusedOptionId;
|
|
const element = DomHandler.findSingle(this.list, `li[id="${id}"]`);
|
|
|
|
if (element) {
|
|
element.scrollIntoView && element.scrollIntoView({ block: 'nearest', inline: 'start' });
|
|
} else if (!this.virtualScrollerDisabled) {
|
|
setTimeout(() => {
|
|
this.virtualScroller && this.virtualScroller.scrollToIndex(index !== -1 ? index : this.focusedOptionIndex);
|
|
}, 0);
|
|
}
|
|
},
|
|
autoUpdateModel() {
|
|
if ((this.selectOnFocus || this.autoHighlight) && this.autoOptionFocus && !this.hasSelectedOption) {
|
|
this.focusedOptionIndex = this.findFirstFocusedOptionIndex();
|
|
this.onOptionSelect(null, this.visibleOptions[this.focusedOptionIndex], false);
|
|
}
|
|
},
|
|
updateModel(event, value) {
|
|
this.$emit('update:modelValue', value);
|
|
this.$emit('change', { originalEvent: event, value });
|
|
},
|
|
flatOptions(options) {
|
|
return (options || []).reduce((result, option, index) => {
|
|
result.push({ optionGroup: option, group: true, index });
|
|
|
|
const optionGroupChildren = this.getOptionGroupChildren(option);
|
|
|
|
optionGroupChildren && optionGroupChildren.forEach((o) => result.push(o));
|
|
|
|
return result;
|
|
}, []);
|
|
},
|
|
overlayRef(el) {
|
|
this.overlay = el;
|
|
},
|
|
listRef(el, contentRef) {
|
|
this.list = el;
|
|
contentRef && contentRef(el); // For VirtualScroller
|
|
},
|
|
virtualScrollerRef(el) {
|
|
this.virtualScroller = el;
|
|
}
|
|
},
|
|
computed: {
|
|
visibleOptions() {
|
|
return this.optionGroupLabel ? this.flatOptions(this.suggestions) : this.suggestions || [];
|
|
},
|
|
inputValue() {
|
|
if (this.modelValue) {
|
|
if (typeof this.modelValue === 'object') {
|
|
const label = this.getOptionLabel(this.modelValue);
|
|
|
|
return label != null ? label : this.modelValue;
|
|
} else {
|
|
return this.modelValue;
|
|
}
|
|
} else {
|
|
return '';
|
|
}
|
|
},
|
|
hasSelectedOption() {
|
|
return ObjectUtils.isNotEmpty(this.modelValue);
|
|
},
|
|
equalityKey() {
|
|
return this.dataKey; // TODO: The 'optionValue' properties can be added.
|
|
},
|
|
searchResultMessageText() {
|
|
return ObjectUtils.isNotEmpty(this.visibleOptions) && this.overlayVisible ? this.searchMessageText.replaceAll('{0}', this.visibleOptions.length) : this.emptySearchMessageText;
|
|
},
|
|
searchMessageText() {
|
|
return this.searchMessage || this.$primevue.config.locale.searchMessage || '';
|
|
},
|
|
emptySearchMessageText() {
|
|
return this.emptySearchMessage || this.$primevue.config.locale.emptySearchMessage || '';
|
|
},
|
|
selectionMessageText() {
|
|
return this.selectionMessage || this.$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}_${this.focusedOptionIndex}` : null;
|
|
},
|
|
focusedMultipleOptionId() {
|
|
return this.focusedMultipleOptionIndex !== -1 ? `${this.id}_multiple_option_${this.focusedMultipleOptionIndex}` : null;
|
|
},
|
|
ariaSetSize() {
|
|
return this.visibleOptions.filter((option) => !this.isOptionGroup(option)).length;
|
|
},
|
|
virtualScrollerDisabled() {
|
|
return !this.virtualScrollerOptions;
|
|
}
|
|
},
|
|
components: {
|
|
Button: Button,
|
|
VirtualScroller: VirtualScroller,
|
|
Portal: Portal,
|
|
ChevronDownIcon: ChevronDownIcon,
|
|
SpinnerIcon: SpinnerIcon,
|
|
TimesCircleIcon: TimesCircleIcon
|
|
},
|
|
directives: {
|
|
ripple: Ripple
|
|
}
|
|
};
|
|
</script>
|