952 lines
33 KiB
Vue
952 lines
33 KiB
Vue
<template>
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<div ref="container" :class="containerClass" @click="onContainerClick($event)">
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<div class="p-hidden-accessible">
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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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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="tree"
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:aria-expanded="overlayVisible"
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:aria-controls="id + '_tree'"
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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"
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/>
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</div>
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<span :class="labelClass">
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<slot name="value" :value="modelValue" :placeholder="placeholder">
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{{ label }}
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</slot>
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</span>
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<div class="p-cascadeselect-trigger" role="button" tabindex="-1" aria-hidden="true">
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<slot name="indicator">
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<span :class="dropdownIconClass"></span>
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</slot>
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</div>
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<span role="status" aria-live="polite" class="p-hidden-accessible">
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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 v-if="overlayVisible" :ref="overlayRef" :style="panelStyle" :class="panelStyleClass" @click="onOverlayClick" @keydown="onOverlayKeyDown" v-bind="panelProps">
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<div class="p-cascadeselect-items-wrapper">
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<CascadeSelectSub
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:id="id + '_tree'"
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role="tree"
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aria-orientation="horizontal"
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:selectId="id"
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:focusedOptionId="focused ? focusedOptionId : undefined"
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:options="processedOptions"
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:activeOptionPath="activeOptionPath"
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:level="0"
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:templates="$slots"
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:optionLabel="optionLabel"
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:optionValue="optionValue"
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:optionDisabled="optionDisabled"
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:optionGroupIcon="optionGroupIcon"
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:optionGroupLabel="optionGroupLabel"
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:optionGroupChildren="optionGroupChildren"
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@option-change="onOptionChange"
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/>
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</div>
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<span role="status" aria-live="polite" class="p-hidden-accessible">
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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 OverlayEventBus from 'primevue/overlayeventbus';
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import Portal from 'primevue/portal';
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import { ConnectedOverlayScrollHandler, DomHandler, ObjectUtils, UniqueComponentId, ZIndexUtils } from 'primevue/utils';
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import CascadeSelectSub from './CascadeSelectSub.vue';
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export default {
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name: 'CascadeSelect',
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emits: ['update:modelValue', 'change', 'focus', 'blur', 'click', 'group-change', 'before-show', 'before-hide', 'hide', 'show'],
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props: {
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modelValue: null,
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options: Array,
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optionLabel: null,
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optionValue: null,
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optionDisabled: null,
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optionGroupLabel: null,
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optionGroupChildren: null,
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placeholder: String,
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disabled: Boolean,
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dataKey: null,
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inputId: {
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type: String,
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default: null
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},
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inputClass: {
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type: String,
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default: null
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},
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inputStyle: {
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type: null,
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default: null
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},
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inputProps: {
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type: null,
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default: null
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},
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panelClass: {
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type: String,
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default: null
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},
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panelStyle: {
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type: null,
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default: null
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},
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panelProps: {
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type: null,
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default: null
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},
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appendTo: {
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type: String,
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default: 'body'
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},
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loading: {
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type: Boolean,
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default: false
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},
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dropdownIcon: {
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type: String,
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default: 'pi pi-chevron-down'
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},
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loadingIcon: {
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type: String,
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default: 'pi pi-spinner pi-spin'
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},
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optionGroupIcon: {
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type: String,
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default: 'pi pi-angle-right'
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},
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autoOptionFocus: {
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type: Boolean,
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default: true
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},
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selectOnFocus: {
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type: Boolean,
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default: false
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},
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searchLocale: {
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type: String,
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default: undefined
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},
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searchMessage: {
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type: String,
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default: null
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},
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selectionMessage: {
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type: String,
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default: null
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},
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emptySelectionMessage: {
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type: String,
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default: null
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},
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emptySearchMessage: {
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type: String,
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default: null
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},
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emptyMessage: {
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type: String,
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default: null
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},
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tabindex: {
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type: Number,
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default: 0
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},
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'aria-labelledby': {
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type: String,
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default: null
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},
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'aria-label': {
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type: String,
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default: null
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}
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},
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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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searchTimeout: null,
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searchValue: null,
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focusOnHover: false,
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data() {
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return {
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focused: false,
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focusedOptionInfo: { index: -1, level: 0, parentKey: '' },
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activeOptionPath: [],
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overlayVisible: false,
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dirty: false
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};
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},
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watch: {
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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.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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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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isOptionDisabled(option) {
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return this.optionDisabled ? ObjectUtils.resolveFieldData(option, this.optionDisabled) : false;
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},
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getOptionGroupLabel(optionGroup) {
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return this.optionGroupLabel ? ObjectUtils.resolveFieldData(optionGroup, this.optionGroupLabel) : null;
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},
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getOptionGroupChildren(optionGroup, level) {
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return ObjectUtils.resolveFieldData(optionGroup, this.optionGroupChildren[level]);
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},
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isOptionGroup(option, level) {
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return Object.prototype.hasOwnProperty.call(option, this.optionGroupChildren[level]);
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},
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getProccessedOptionLabel(processedOption) {
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const grouped = this.isProccessedOptionGroup(processedOption);
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return grouped ? this.getOptionGroupLabel(processedOption.option, processedOption.level) : this.getOptionLabel(processedOption.option);
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},
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isProccessedOptionGroup(processedOption) {
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return ObjectUtils.isNotEmpty(processedOption.children);
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},
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show(isFocus) {
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this.$emit('before-show');
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this.overlayVisible = true;
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this.activeOptionPath = this.hasSelectedOption ? this.findOptionPathByValue(this.modelValue) : this.activeOptionPath;
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if (this.hasSelectedOption && ObjectUtils.isNotEmpty(this.activeOptionPath)) {
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const processedOption = this.activeOptionPath[this.activeOptionPath.length - 1];
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this.focusedOptionInfo = { index: this.autoOptionFocus ? processedOption.index : -1, level: processedOption.level, parentKey: processedOption.parentKey };
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} else {
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this.focusedOptionInfo = { index: this.autoOptionFocus ? this.findFirstFocusedOptionIndex() : -1, level: 0, parentKey: '' };
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}
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isFocus && DomHandler.focus(this.$refs.focusInput);
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},
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hide(isFocus) {
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const _hide = () => {
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this.$emit('before-hide');
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this.overlayVisible = false;
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this.activeOptionPath = [];
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this.focusedOptionInfo = { index: -1, level: 0, parentKey: '' };
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isFocus && DomHandler.focus(this.$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.$emit('focus', event);
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},
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onBlur(event) {
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this.focused = false;
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this.focusedOptionInfo = { index: -1, level: 0, parentKey: '' };
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this.searchValue = '';
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this.$emit('blur', event);
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},
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onKeyDown(event) {
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if (this.disabled || this.loading) {
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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 '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 'Space':
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this.onSpaceKey(event);
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break;
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case 'Enter':
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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 'PageDown':
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case 'PageUp':
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case 'Backspace':
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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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if (!metaKey && ObjectUtils.isPrintableCharacter(event.key)) {
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!this.overlayVisible && this.show();
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this.searchOptions(event, event.key);
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}
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break;
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}
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},
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onOptionChange(event) {
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const { originalEvent, processedOption, isFocus, isHide } = event;
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if (ObjectUtils.isEmpty(processedOption)) return;
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const { index, level, parentKey, children } = processedOption;
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const grouped = ObjectUtils.isNotEmpty(children);
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const activeOptionPath = this.activeOptionPath.filter((p) => p.parentKey !== parentKey);
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activeOptionPath.push(processedOption);
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this.focusedOptionInfo = { index, level, parentKey };
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this.activeOptionPath = activeOptionPath;
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grouped ? this.onOptionGroupSelect(originalEvent, processedOption) : this.onOptionSelect(originalEvent, processedOption, isHide);
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isFocus && DomHandler.focus(this.$refs.focusInput);
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},
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onOptionSelect(event, processedOption, isHide = true) {
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const value = this.getOptionValue(processedOption.option);
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this.activeOptionPath.forEach((p) => (p.selected = true));
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this.updateModel(event, value);
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isHide && this.hide(true);
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},
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onOptionGroupSelect(event, processedOption) {
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this.dirty = true;
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this.$emit('group-change', { originalEvent: event, value: processedOption.option });
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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() : this.show();
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DomHandler.focus(this.$refs.focusInput);
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}
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this.$emit('click', event);
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},
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onOverlayClick(event) {
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OverlayEventBus.emit('overlay-click', {
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originalEvent: event,
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target: this.$el
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});
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},
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onOverlayKeyDown(event) {
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switch (event.code) {
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case 'Escape':
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this.onEscapeKey(event);
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break;
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default:
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break;
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}
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},
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onArrowDownKey(event) {
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const optionIndex = this.focusedOptionInfo.index !== -1 ? this.findNextOptionIndex(this.focusedOptionInfo.index) : this.findFirstFocusedOptionIndex();
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this.changeFocusedOptionIndex(event, optionIndex);
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!this.overlayVisible && this.show();
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event.preventDefault();
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},
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onArrowUpKey(event) {
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if (event.altKey) {
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if (this.focusedOptionInfo.index !== -1) {
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const processedOption = this.visibleOptions[this.focusedOptionInfo.index];
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const grouped = this.isProccessedOptionGroup(processedOption);
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!grouped && this.onOptionChange({ originalEvent: event, processedOption });
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}
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this.overlayVisible && this.hide();
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event.preventDefault();
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} else {
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const optionIndex = this.focusedOptionInfo.index !== -1 ? this.findPrevOptionIndex(this.focusedOptionInfo.index) : this.findLastFocusedOptionIndex();
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this.changeFocusedOptionIndex(event, optionIndex);
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!this.overlayVisible && this.show();
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event.preventDefault();
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}
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},
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onArrowLeftKey(event) {
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if (this.overlayVisible) {
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const processedOption = this.visibleOptions[this.focusedOptionInfo.index];
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const parentOption = this.activeOptionPath.find((p) => p.key === processedOption.parentKey);
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const matched = this.focusedOptionInfo.parentKey === '' || (parentOption && parentOption.key === this.focusedOptionInfo.parentKey);
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const root = ObjectUtils.isEmpty(processedOption.parent);
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if (matched) {
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this.activeOptionPath = this.activeOptionPath.filter((p) => p.parentKey !== this.focusedOptionInfo.parentKey);
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}
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if (!root) {
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this.focusedOptionInfo = { index: -1, parentKey: parentOption ? parentOption.parentKey : '' };
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this.searchValue = '';
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this.onArrowDownKey(event);
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}
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event.preventDefault();
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}
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},
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onArrowRightKey(event) {
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if (this.overlayVisible) {
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const processedOption = this.visibleOptions[this.focusedOptionInfo.index];
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const grouped = this.isProccessedOptionGroup(processedOption);
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if (grouped) {
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const matched = this.activeOptionPath.some((p) => processedOption.key === p.key);
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if (matched) {
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this.focusedOptionInfo = { index: -1, parentKey: processedOption.key };
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this.searchValue = '';
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this.onArrowDownKey(event);
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} else {
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this.onOptionChange({ originalEvent: event, processedOption });
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}
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}
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event.preventDefault();
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}
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},
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onHomeKey(event) {
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this.changeFocusedOptionIndex(event, this.findFirstOptionIndex());
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!this.overlayVisible && this.show();
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event.preventDefault();
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},
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onEndKey(event) {
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this.changeFocusedOptionIndex(event, this.findLastOptionIndex());
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!this.overlayVisible && this.show();
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event.preventDefault();
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},
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onEnterKey(event) {
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if (!this.overlayVisible) {
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this.onArrowDownKey(event);
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} else {
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if (this.focusedOptionInfo.index !== -1) {
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const processedOption = this.visibleOptions[this.focusedOptionInfo.index];
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const grouped = this.isProccessedOptionGroup(processedOption);
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this.onOptionChange({ originalEvent: event, processedOption });
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!grouped && this.hide();
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}
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}
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event.preventDefault();
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},
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onSpaceKey(event) {
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this.onEnterKey(event);
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},
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onEscapeKey(event) {
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this.overlayVisible && this.hide(true);
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event.preventDefault();
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},
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onTabKey(event) {
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if (this.focusedOptionInfo.index !== -1) {
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const processedOption = this.visibleOptions[this.focusedOptionInfo.index];
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const grouped = this.isProccessedOptionGroup(processedOption);
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!grouped && this.onOptionChange({ originalEvent: event, processedOption });
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}
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this.overlayVisible && this.hide();
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},
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onOverlayEnter(el) {
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ZIndexUtils.set('overlay', el, this.$primevue.config.zIndex.overlay);
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this.alignOverlay();
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this.scrollInView();
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},
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onOverlayAfterEnter() {
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this.bindOutsideClickListener();
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this.bindScrollListener();
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this.bindResizeListener();
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this.$emit('show');
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},
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onOverlayLeave() {
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this.unbindOutsideClickListener();
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this.unbindScrollListener();
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this.unbindResizeListener();
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this.$emit('hide');
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this.overlay = null;
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this.dirty = false;
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},
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onOverlayAfterLeave(el) {
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ZIndexUtils.clear(el);
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},
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alignOverlay() {
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if (this.appendTo === 'self') {
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DomHandler.relativePosition(this.overlay, this.$el);
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} else {
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this.overlay.style.minWidth = DomHandler.getOuterWidth(this.$el) + 'px';
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DomHandler.absolutePosition(this.overlay, this.$el);
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}
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},
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bindOutsideClickListener() {
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if (!this.outsideClickListener) {
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this.outsideClickListener = (event) => {
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|
if (this.overlayVisible && this.overlay && !this.$el.contains(event.target) && !this.overlay.contains(event.target)) {
|
|
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;
|
|
}
|
|
},
|
|
isOptionMatched(processedOption) {
|
|
return this.isValidOption(processedOption) && this.getProccessedOptionLabel(processedOption).toLocaleLowerCase(this.searchLocale).startsWith(this.searchValue.toLocaleLowerCase(this.searchLocale));
|
|
},
|
|
isValidOption(processedOption) {
|
|
return !!processedOption && !this.isOptionDisabled(processedOption.option);
|
|
},
|
|
isValidSelectedOption(processedOption) {
|
|
return this.isValidOption(processedOption) && this.isSelected(processedOption);
|
|
},
|
|
isSelected(processedOption) {
|
|
return this.activeOptionPath.some((p) => p.key === processedOption.key);
|
|
},
|
|
findFirstOptionIndex() {
|
|
return this.visibleOptions.findIndex((processedOption) => this.isValidOption(processedOption));
|
|
},
|
|
findLastOptionIndex() {
|
|
return ObjectUtils.findLastIndex(this.visibleOptions, (processedOption) => this.isValidOption(processedOption));
|
|
},
|
|
findNextOptionIndex(index) {
|
|
const matchedOptionIndex = index < this.visibleOptions.length - 1 ? this.visibleOptions.slice(index + 1).findIndex((processedOption) => this.isValidOption(processedOption)) : -1;
|
|
|
|
return matchedOptionIndex > -1 ? matchedOptionIndex + index + 1 : index;
|
|
},
|
|
findPrevOptionIndex(index) {
|
|
const matchedOptionIndex = index > 0 ? ObjectUtils.findLastIndex(this.visibleOptions.slice(0, index), (processedOption) => this.isValidOption(processedOption)) : -1;
|
|
|
|
return matchedOptionIndex > -1 ? matchedOptionIndex : index;
|
|
},
|
|
findSelectedOptionIndex() {
|
|
return this.visibleOptions.findIndex((processedOption) => this.isValidSelectedOption(processedOption));
|
|
},
|
|
findFirstFocusedOptionIndex() {
|
|
const selectedIndex = this.findSelectedOptionIndex();
|
|
|
|
return selectedIndex < 0 ? this.findFirstOptionIndex() : selectedIndex;
|
|
},
|
|
findLastFocusedOptionIndex() {
|
|
const selectedIndex = this.findSelectedOptionIndex();
|
|
|
|
return selectedIndex < 0 ? this.findLastOptionIndex() : selectedIndex;
|
|
},
|
|
findOptionPathByValue(value, processedOptions, level = 0) {
|
|
processedOptions = processedOptions || (level === 0 && this.processedOptions);
|
|
|
|
if (!processedOptions) return null;
|
|
if (ObjectUtils.isEmpty(value)) return [];
|
|
|
|
for (let i = 0; i < processedOptions.length; i++) {
|
|
const processedOption = processedOptions[i];
|
|
|
|
if (ObjectUtils.equals(value, this.getOptionValue(processedOption.option), this.equalityKey)) {
|
|
return [processedOption];
|
|
}
|
|
|
|
const matchedOptions = this.findOptionPathByValue(value, processedOption.children, level + 1);
|
|
|
|
if (matchedOptions) {
|
|
matchedOptions.unshift(processedOption);
|
|
|
|
return matchedOptions;
|
|
}
|
|
}
|
|
},
|
|
searchOptions(event, char) {
|
|
this.searchValue = (this.searchValue || '') + char;
|
|
|
|
let optionIndex = -1;
|
|
let matched = false;
|
|
|
|
if (this.focusedOptionInfo.index !== -1) {
|
|
optionIndex = this.visibleOptions.slice(this.focusedOptionInfo.index).findIndex((processedOption) => this.isOptionMatched(processedOption));
|
|
optionIndex = optionIndex === -1 ? this.visibleOptions.slice(0, this.focusedOptionInfo.index).findIndex((processedOption) => this.isOptionMatched(processedOption)) : optionIndex + this.focusedOptionInfo.index;
|
|
} else {
|
|
optionIndex = this.visibleOptions.findIndex((processedOption) => this.isOptionMatched(processedOption));
|
|
}
|
|
|
|
if (optionIndex !== -1) {
|
|
matched = true;
|
|
}
|
|
|
|
if (optionIndex === -1 && this.focusedOptionInfo.index === -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);
|
|
|
|
return matched;
|
|
},
|
|
changeFocusedOptionIndex(event, index) {
|
|
if (this.focusedOptionInfo.index !== index) {
|
|
this.focusedOptionInfo.index = index;
|
|
this.scrollInView();
|
|
|
|
if (this.selectOnFocus) {
|
|
this.onOptionChange({ originalEvent: event, processedOption: this.visibleOptions[index], isHide: 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' });
|
|
}
|
|
},
|
|
autoUpdateModel() {
|
|
if (this.selectOnFocus && this.autoOptionFocus && !this.hasSelectedOption) {
|
|
this.focusedOptionInfo.index = this.findFirstFocusedOptionIndex();
|
|
this.onOptionChange({ processedOption: this.visibleOptions[this.focusedOptionInfo.index], isHide: false });
|
|
|
|
!this.overlayVisible && (this.focusedOptionInfo = { index: -1, level: 0, parentKey: '' });
|
|
}
|
|
},
|
|
updateModel(event, value) {
|
|
this.$emit('update:modelValue', value);
|
|
this.$emit('change', { originalEvent: event, value });
|
|
},
|
|
createProcessedOptions(options, level = 0, parent = {}, parentKey = '') {
|
|
const processedOptions = [];
|
|
|
|
options &&
|
|
options.forEach((option, index) => {
|
|
const key = (parentKey !== '' ? parentKey + '_' : '') + index;
|
|
const newOption = {
|
|
option,
|
|
index,
|
|
level,
|
|
key,
|
|
parent,
|
|
parentKey
|
|
};
|
|
|
|
newOption['children'] = this.createProcessedOptions(this.getOptionGroupChildren(option, level), level + 1, newOption, key);
|
|
processedOptions.push(newOption);
|
|
});
|
|
|
|
return processedOptions;
|
|
},
|
|
overlayRef(el) {
|
|
this.overlay = el;
|
|
}
|
|
},
|
|
computed: {
|
|
containerClass() {
|
|
return [
|
|
'p-cascadeselect p-component p-inputwrapper',
|
|
{
|
|
'p-disabled': this.disabled,
|
|
'p-focus': this.focused,
|
|
'p-inputwrapper-filled': this.modelValue,
|
|
'p-inputwrapper-focus': this.focused || this.overlayVisible,
|
|
'p-overlay-open': this.overlayVisible
|
|
}
|
|
];
|
|
},
|
|
labelClass() {
|
|
return [
|
|
'p-cascadeselect-label p-inputtext',
|
|
{
|
|
'p-placeholder': this.label === this.placeholder,
|
|
'p-cascadeselect-label-empty': !this.$slots['value'] && (this.label === 'p-emptylabel' || this.label.length === 0)
|
|
}
|
|
];
|
|
},
|
|
panelStyleClass() {
|
|
return [
|
|
'p-cascadeselect-panel p-component',
|
|
this.panelClass,
|
|
{
|
|
'p-input-filled': this.$primevue.config.inputStyle === 'filled',
|
|
'p-ripple-disabled': this.$primevue.config.ripple === false
|
|
}
|
|
];
|
|
},
|
|
dropdownIconClass() {
|
|
return ['p-cascadeselect-trigger-icon', this.loading ? this.loadingIcon : this.dropdownIcon];
|
|
},
|
|
hasSelectedOption() {
|
|
return ObjectUtils.isNotEmpty(this.modelValue);
|
|
},
|
|
label() {
|
|
const label = this.placeholder || 'p-emptylabel';
|
|
|
|
if (this.hasSelectedOption) {
|
|
const activeOptionPath = this.findOptionPathByValue(this.modelValue);
|
|
const processedOption = ObjectUtils.isNotEmpty(activeOptionPath) ? activeOptionPath[activeOptionPath.length - 1] : null;
|
|
|
|
return processedOption ? this.getOptionLabel(processedOption.option) : label;
|
|
}
|
|
|
|
return label;
|
|
},
|
|
processedOptions() {
|
|
return this.createProcessedOptions(this.options || []);
|
|
},
|
|
visibleOptions() {
|
|
const processedOption = this.activeOptionPath.find((p) => p.key === this.focusedOptionInfo.parentKey);
|
|
|
|
return processedOption ? processedOption.children : this.processedOptions;
|
|
},
|
|
equalityKey() {
|
|
return this.optionValue ? null : this.dataKey;
|
|
},
|
|
searchResultMessageText() {
|
|
return ObjectUtils.isNotEmpty(this.visibleOptions) ? this.searchMessageText.replaceAll('{0}', this.visibleOptions.length) : this.emptySearchMessageText;
|
|
},
|
|
searchMessageText() {
|
|
return this.searchMessage || this.$primevue.config.locale.searchMessage || '';
|
|
},
|
|
emptySearchMessageText() {
|
|
return this.emptySearchMessage || this.$primevue.config.locale.emptySearchMessage || '';
|
|
},
|
|
emptyMessageText() {
|
|
return this.emptyMessage || this.$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}', '1') : this.emptySelectionMessageText;
|
|
},
|
|
id() {
|
|
return this.$attrs.id || UniqueComponentId();
|
|
},
|
|
focusedOptionId() {
|
|
return this.focusedOptionInfo.index !== -1 ? `${this.id}${ObjectUtils.isNotEmpty(this.focusedOptionInfo.parentKey) ? '_' + this.focusedOptionInfo.parentKey : ''}_${this.focusedOptionInfo.index}` : null;
|
|
}
|
|
},
|
|
components: {
|
|
CascadeSelectSub: CascadeSelectSub,
|
|
Portal: Portal
|
|
}
|
|
};
|
|
</script>
|
|
|
|
<style>
|
|
.p-cascadeselect {
|
|
display: inline-flex;
|
|
cursor: pointer;
|
|
position: relative;
|
|
user-select: none;
|
|
}
|
|
|
|
.p-cascadeselect-trigger {
|
|
display: flex;
|
|
align-items: center;
|
|
justify-content: center;
|
|
flex-shrink: 0;
|
|
}
|
|
|
|
.p-cascadeselect-label {
|
|
display: block;
|
|
white-space: nowrap;
|
|
overflow: hidden;
|
|
flex: 1 1 auto;
|
|
width: 1%;
|
|
text-overflow: ellipsis;
|
|
cursor: pointer;
|
|
}
|
|
|
|
.p-cascadeselect-label-empty {
|
|
overflow: hidden;
|
|
visibility: hidden;
|
|
}
|
|
|
|
.p-cascadeselect .p-cascadeselect-panel {
|
|
min-width: 100%;
|
|
}
|
|
|
|
.p-cascadeselect-panel {
|
|
position: absolute;
|
|
top: 0;
|
|
left: 0;
|
|
}
|
|
|
|
.p-cascadeselect-item {
|
|
cursor: pointer;
|
|
font-weight: normal;
|
|
white-space: nowrap;
|
|
}
|
|
|
|
.p-cascadeselect-item-content {
|
|
display: flex;
|
|
align-items: center;
|
|
overflow: hidden;
|
|
position: relative;
|
|
}
|
|
|
|
.p-cascadeselect-group-icon {
|
|
margin-left: auto;
|
|
}
|
|
|
|
.p-cascadeselect-items {
|
|
margin: 0;
|
|
padding: 0;
|
|
list-style-type: none;
|
|
min-width: 100%;
|
|
}
|
|
|
|
.p-fluid .p-cascadeselect {
|
|
display: flex;
|
|
}
|
|
|
|
.p-fluid .p-cascadeselect .p-cascadeselect-label {
|
|
width: 1%;
|
|
}
|
|
|
|
.p-cascadeselect-sublist {
|
|
position: absolute;
|
|
min-width: 100%;
|
|
z-index: 1;
|
|
display: none;
|
|
}
|
|
|
|
.p-cascadeselect-item-active {
|
|
overflow: visible !important;
|
|
}
|
|
|
|
.p-cascadeselect-item-active > .p-cascadeselect-sublist {
|
|
display: block;
|
|
left: 100%;
|
|
top: 0;
|
|
}
|
|
</style>
|