primeng/esm2020/listbox/listbox.mjs

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import { NgModule, Component, Input, Output, EventEmitter, ContentChildren, ContentChild, forwardRef, ViewChild, ChangeDetectionStrategy, ViewEncapsulation } from '@angular/core';
import { CommonModule } from '@angular/common';
import { SharedModule, PrimeTemplate, Footer, Header, TranslationKeys } from 'primeng/api';
import { DomHandler } from 'primeng/dom';
import { ObjectUtils } from 'primeng/utils';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
import { RippleModule } from 'primeng/ripple';
import { SearchIcon } from 'primeng/icons/search';
import { CheckIcon } from 'primeng/icons/check';
import * as i0 from "@angular/core";
import * as i1 from "primeng/api";
import * as i2 from "@angular/common";
import * as i3 from "primeng/ripple";
export const LISTBOX_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: forwardRef(() => Listbox),
    multi: true
};
export class Listbox {
    constructor(el, cd, filterService, config) {
        this.el = el;
        this.cd = cd;
        this.filterService = filterService;
        this.config = config;
        this.checkbox = false;
        this.filter = false;
        this.filterMatchMode = 'contains';
        this.metaKeySelection = true;
        this.showToggleAll = true;
        this.optionGroupChildren = 'items';
        this.onChange = new EventEmitter();
        this.onClick = new EventEmitter();
        this.onDblClick = new EventEmitter();
        this.onModelChange = () => { };
        this.onModelTouched = () => { };
    }
    get options() {
        return this._options;
    }
    set options(val) {
        this._options = val;
        if (this.hasFilter())
            this.activateFilter();
    }
    get filterValue() {
        return this._filterValue;
    }
    set filterValue(val) {
        this._filterValue = val;
        this.activateFilter();
    }
    ngOnInit() {
        this.translationSubscription = this.config.translationObserver.subscribe(() => {
            this.cd.markForCheck();
        });
        if (this.filterBy) {
            this.filterOptions = {
                filter: (value) => this.onFilter(value),
                reset: () => this.resetFilter()
            };
        }
    }
    ngAfterContentInit() {
        this.templates.forEach((item) => {
            switch (item.getType()) {
                case 'item':
                    this.itemTemplate = item.template;
                    break;
                case 'group':
                    this.groupTemplate = item.template;
                    break;
                case 'header':
                    this.headerTemplate = item.template;
                    break;
                case 'filter':
                    this.filterTemplate = item.template;
                    break;
                case 'footer':
                    this.footerTemplate = item.template;
                    break;
                case 'empty':
                    this.emptyTemplate = item.template;
                    break;
                case 'emptyfilter':
                    this.emptyFilterTemplate = item.template;
                    break;
                case 'filtericon':
                    this.filterIconTemplate = item.template;
                    break;
                case 'checkicon':
                    this.checkIconTemplate = item.template;
                    break;
                default:
                    this.itemTemplate = item.template;
                    break;
            }
        });
    }
    getOptionLabel(option) {
        return this.optionLabel ? ObjectUtils.resolveFieldData(option, this.optionLabel) : option.label != undefined ? option.label : option;
    }
    getOptionGroupChildren(optionGroup) {
        return this.optionGroupChildren ? ObjectUtils.resolveFieldData(optionGroup, this.optionGroupChildren) : optionGroup.items;
    }
    getOptionGroupLabel(optionGroup) {
        return this.optionGroupLabel ? ObjectUtils.resolveFieldData(optionGroup, this.optionGroupLabel) : optionGroup.label != undefined ? optionGroup.label : optionGroup;
    }
    getOptionValue(option) {
        return this.optionValue ? ObjectUtils.resolveFieldData(option, this.optionValue) : this.optionLabel || option.value === undefined ? option : option.value;
    }
    isOptionDisabled(option) {
        return this.optionDisabled ? ObjectUtils.resolveFieldData(option, this.optionDisabled) : option.disabled !== undefined ? option.disabled : false;
    }
    writeValue(value) {
        this.value = value;
        this.cd.markForCheck();
    }
    registerOnChange(fn) {
        this.onModelChange = fn;
    }
    registerOnTouched(fn) {
        this.onModelTouched = fn;
    }
    setDisabledState(val) {
        this.disabled = val;
        this.cd.markForCheck();
    }
    onOptionClick(event, option) {
        if (this.disabled || this.isOptionDisabled(option) || this.readonly) {
            return;
        }
        if (this.multiple) {
            if (this.checkbox)
                this.onOptionClickCheckbox(event, option);
            else
                this.onOptionClickMultiple(event, option);
        }
        else {
            this.onOptionClickSingle(event, option);
        }
        this.onClick.emit({
            originalEvent: event,
            option: option,
            value: this.value
        });
        this.optionTouched = false;
    }
    onOptionTouchEnd(option) {
        if (this.disabled || this.isOptionDisabled(option) || this.readonly) {
            return;
        }
        this.optionTouched = true;
    }
    onOptionDoubleClick(event, option) {
        if (this.disabled || this.isOptionDisabled(option) || this.readonly) {
            return;
        }
        this.onDblClick.emit({
            originalEvent: event,
            option: option,
            value: this.value
        });
    }
    onOptionClickSingle(event, option) {
        let selected = this.isSelected(option);
        let valueChanged = false;
        let metaSelection = this.optionTouched ? false : this.metaKeySelection;
        if (metaSelection) {
            let metaKey = event.metaKey || event.ctrlKey;
            if (selected) {
                if (metaKey) {
                    this.value = null;
                    valueChanged = true;
                }
            }
            else {
                this.value = this.getOptionValue(option);
                valueChanged = true;
            }
        }
        else {
            this.value = selected ? null : this.getOptionValue(option);
            valueChanged = true;
        }
        if (valueChanged) {
            this.onModelChange(this.value);
            this.onChange.emit({
                originalEvent: event,
                value: this.value
            });
        }
    }
    onOptionClickMultiple(event, option) {
        let selected = this.isSelected(option);
        let valueChanged = false;
        let metaSelection = this.optionTouched ? false : this.metaKeySelection;
        if (metaSelection) {
            let metaKey = event.metaKey || event.ctrlKey;
            if (selected) {
                if (metaKey) {
                    this.removeOption(option);
                }
                else {
                    this.value = [this.getOptionValue(option)];
                }
                valueChanged = true;
            }
            else {
                this.value = metaKey ? this.value || [] : [];
                this.value = [...this.value, this.getOptionValue(option)];
                valueChanged = true;
            }
        }
        else {
            if (selected) {
                this.removeOption(option);
            }
            else {
                this.value = [...(this.value || []), this.getOptionValue(option)];
            }
            valueChanged = true;
        }
        if (valueChanged) {
            this.onModelChange(this.value);
            this.onChange.emit({
                originalEvent: event,
                value: this.value
            });
        }
    }
    onOptionClickCheckbox(event, option) {
        if (this.disabled || this.readonly) {
            return;
        }
        let selected = this.isSelected(option);
        if (selected) {
            this.removeOption(option);
        }
        else {
            this.value = this.value ? this.value : [];
            this.value = [...this.value, this.getOptionValue(option)];
        }
        this.onModelChange(this.value);
        this.onChange.emit({
            originalEvent: event,
            value: this.value
        });
    }
    removeOption(option) {
        this.value = this.value.filter((val) => !ObjectUtils.equals(val, this.getOptionValue(option), this.dataKey));
    }
    isSelected(option) {
        let selected = false;
        let optionValue = this.getOptionValue(option);
        if (this.multiple) {
            if (this.value) {
                for (let val of this.value) {
                    if (ObjectUtils.equals(val, optionValue, this.dataKey)) {
                        selected = true;
                        break;
                    }
                }
            }
        }
        else {
            selected = ObjectUtils.equals(this.value, optionValue, this.dataKey);
        }
        return selected;
    }
    get allChecked() {
        let optionsToRender = this.optionsToRender;
        if (!optionsToRender || optionsToRender.length === 0) {
            return false;
        }
        else {
            let selectedDisabledItemsLength = 0;
            let unselectedDisabledItemsLength = 0;
            let selectedEnabledItemsLength = 0;
            let visibleOptionsLength = this.group ? 0 : this.optionsToRender.length;
            for (let option of optionsToRender) {
                if (!this.group) {
                    let disabled = this.isOptionDisabled(option);
                    let selected = this.isSelected(option);
                    if (disabled) {
                        if (selected)
                            selectedDisabledItemsLength++;
                        else
                            unselectedDisabledItemsLength++;
                    }
                    else {
                        if (selected)
                            selectedEnabledItemsLength++;
                        else
                            return false;
                    }
                }
                else {
                    for (let opt of this.getOptionGroupChildren(option)) {
                        let disabled = this.isOptionDisabled(opt);
                        let selected = this.isSelected(opt);
                        if (disabled) {
                            if (selected)
                                selectedDisabledItemsLength++;
                            else
                                unselectedDisabledItemsLength++;
                        }
                        else {
                            if (selected)
                                selectedEnabledItemsLength++;
                            else {
                                return false;
                            }
                        }
                        visibleOptionsLength++;
                    }
                }
            }
            return (visibleOptionsLength === selectedDisabledItemsLength ||
                visibleOptionsLength === selectedEnabledItemsLength ||
                (selectedEnabledItemsLength && visibleOptionsLength === selectedEnabledItemsLength + unselectedDisabledItemsLength + selectedDisabledItemsLength));
        }
    }
    get optionsToRender() {
        return this._filteredOptions || this.options;
    }
    get emptyMessageLabel() {
        return this.emptyMessage || this.config.getTranslation(TranslationKeys.EMPTY_MESSAGE);
    }
    get emptyFilterMessageLabel() {
        return this.emptyFilterMessage || this.config.getTranslation(TranslationKeys.EMPTY_FILTER_MESSAGE);
    }
    hasFilter() {
        return this._filterValue && this._filterValue.trim().length > 0;
    }
    isEmpty() {
        return !this.optionsToRender || (this.optionsToRender && this.optionsToRender.length === 0);
    }
    onFilter(event) {
        this._filterValue = event.target.value;
        this.activateFilter();
    }
    activateFilter() {
        if (this.hasFilter() && this._options) {
            if (this.group) {
                let searchFields = (this.filterBy || this.optionLabel || 'label').split(',');
                let filteredGroups = [];
                for (let optgroup of this.options) {
                    let filteredSubOptions = this.filterService.filter(this.getOptionGroupChildren(optgroup), searchFields, this.filterValue, this.filterMatchMode, this.filterLocale);
                    if (filteredSubOptions && filteredSubOptions.length) {
                        filteredGroups.push({ ...optgroup, ...{ [this.optionGroupChildren]: filteredSubOptions } });
                    }
                }
                this._filteredOptions = filteredGroups;
            }
            else {
                this._filteredOptions = this._options.filter((option) => this.filterService.filters[this.filterMatchMode](this.getOptionLabel(option), this._filterValue, this.filterLocale));
            }
        }
        else {
            this._filteredOptions = null;
        }
    }
    resetFilter() {
        if (this.filterViewChild && this.filterViewChild.nativeElement) {
            this.filterViewChild.nativeElement.value = '';
        }
        this._filterValue = null;
        this._filteredOptions = null;
    }
    get toggleAllDisabled() {
        let optionsToRender = this.optionsToRender;
        if (!optionsToRender || optionsToRender.length === 0) {
            return true;
        }
        else {
            for (let option of optionsToRender) {
                if (!this.isOptionDisabled(option))
                    return false;
            }
            return true;
        }
    }
    toggleAll(event) {
        if (this.disabled || this.toggleAllDisabled || this.readonly) {
            return;
        }
        let allChecked = this.allChecked;
        if (allChecked)
            this.uncheckAll();
        else
            this.checkAll();
        this.onModelChange(this.value);
        this.onChange.emit({ originalEvent: event, value: this.value });
        event.preventDefault();
    }
    checkAll() {
        let optionsToRender = this.optionsToRender;
        let val = [];
        optionsToRender.forEach((opt) => {
            if (!this.group) {
                let optionDisabled = this.isOptionDisabled(opt);
                if (!optionDisabled || (optionDisabled && this.isSelected(opt))) {
                    val.push(this.getOptionValue(opt));
                }
            }
            else {
                let subOptions = this.getOptionGroupChildren(opt);
                if (subOptions) {
                    subOptions.forEach((option) => {
                        let optionDisabled = this.isOptionDisabled(option);
                        if (!optionDisabled || (optionDisabled && this.isSelected(option))) {
                            val.push(this.getOptionValue(option));
                        }
                    });
                }
            }
        });
        this.value = val;
    }
    uncheckAll() {
        let optionsToRender = this.optionsToRender;
        let val = [];
        optionsToRender.forEach((opt) => {
            if (!this.group) {
                let optionDisabled = this.isOptionDisabled(opt);
                if (optionDisabled && this.isSelected(opt)) {
                    val.push(this.getOptionValue(opt));
                }
            }
            else {
                if (opt.items) {
                    opt.items.forEach((option) => {
                        let optionDisabled = this.isOptionDisabled(option);
                        if (optionDisabled && this.isSelected(option)) {
                            val.push(this.getOptionValue(option));
                        }
                    });
                }
            }
        });
        this.value = val;
    }
    onOptionKeyDown(event, option) {
        if (this.readonly) {
            return;
        }
        let item = event.currentTarget;
        switch (event.which) {
            //down
            case 40:
                var nextItem = this.findNextItem(item);
                if (nextItem) {
                    nextItem.focus();
                }
                event.preventDefault();
                break;
            //up
            case 38:
                var prevItem = this.findPrevItem(item);
                if (prevItem) {
                    prevItem.focus();
                }
                event.preventDefault();
                break;
            //enter
            case 13:
                this.onOptionClick(event, option);
                event.preventDefault();
                break;
        }
    }
    findNextItem(item) {
        let nextItem = item.nextElementSibling;
        if (nextItem)
            return DomHandler.hasClass(nextItem, 'p-disabled') || DomHandler.isHidden(nextItem) || DomHandler.hasClass(nextItem, 'p-listbox-item-group') ? this.findNextItem(nextItem) : nextItem;
        else
            return null;
    }
    findPrevItem(item) {
        let prevItem = item.previousElementSibling;
        if (prevItem)
            return DomHandler.hasClass(prevItem, 'p-disabled') || DomHandler.isHidden(prevItem) || DomHandler.hasClass(prevItem, 'p-listbox-item-group') ? this.findPrevItem(prevItem) : prevItem;
        else
            return null;
    }
    onHeaderCheckboxFocus() {
        this.headerCheckboxFocus = true;
    }
    onHeaderCheckboxBlur() {
        this.headerCheckboxFocus = false;
    }
    ngOnDestroy() {
        if (this.translationSubscription) {
            this.translationSubscription.unsubscribe();
        }
    }
}
Listbox.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.4", ngImport: i0, type: Listbox, deps: [{ token: i0.ElementRef }, { token: i0.ChangeDetectorRef }, { token: i1.FilterService }, { token: i1.PrimeNGConfig }], target: i0.ɵɵFactoryTarget.Component });
Listbox.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "15.2.4", type: Listbox, selector: "p-listbox", inputs: { multiple: "multiple", style: "style", styleClass: "styleClass", listStyle: "listStyle", listStyleClass: "listStyleClass", readonly: "readonly", disabled: "disabled", checkbox: "checkbox", filter: "filter", filterBy: "filterBy", filterMatchMode: "filterMatchMode", filterLocale: "filterLocale", metaKeySelection: "metaKeySelection", dataKey: "dataKey", showToggleAll: "showToggleAll", optionLabel: "optionLabel", optionValue: "optionValue", optionGroupChildren: "optionGroupChildren", optionGroupLabel: "optionGroupLabel", optionDisabled: "optionDisabled", ariaFilterLabel: "ariaFilterLabel", filterPlaceHolder: "filterPlaceHolder", emptyFilterMessage: "emptyFilterMessage", emptyMessage: "emptyMessage", group: "group", options: "options", filterValue: "filterValue" }, outputs: { onChange: "onChange", onClick: "onClick", onDblClick: "onDblClick" }, host: { classAttribute: "p-element" }, providers: [LISTBOX_VALUE_ACCESSOR], queries: [{ propertyName: "headerFacet", first: true, predicate: Header, descendants: true }, { propertyName: "footerFacet", first: true, predicate: Footer, descendants: true }, { propertyName: "templates", predicate: PrimeTemplate }], viewQueries: [{ propertyName: "headerCheckboxViewChild", first: true, predicate: ["headerchkbox"], descendants: true }, { propertyName: "filterViewChild", first: true, predicate: ["filter"], descendants: true }], ngImport: i0, template: `
        <div [ngClass]="{ 'p-listbox p-component': true, 'p-disabled': disabled }" [ngStyle]="style" [class]="styleClass">
            <div class="p-listbox-header" *ngIf="headerFacet || headerTemplate">
                <ng-content select="p-header"></ng-content>
                <ng-container *ngTemplateOutlet="headerTemplate"></ng-container>
            </div>
            <div class="p-listbox-header" *ngIf="(checkbox && multiple && showToggleAll) || filter">
                <div class="p-checkbox p-component" *ngIf="checkbox && multiple && showToggleAll" [ngClass]="{ 'p-checkbox-disabled': disabled || toggleAllDisabled }">
                    <div class="p-hidden-accessible">
                        <input type="checkbox" readonly="readonly" [checked]="allChecked" (focus)="onHeaderCheckboxFocus()" (blur)="onHeaderCheckboxBlur()" (keydown.space)="toggleAll($event)" [disabled]="disabled || toggleAllDisabled" />
                    </div>
                    <div #headerchkbox class="p-checkbox-box" [ngClass]="{ 'p-highlight': allChecked, 'p-focus': headerCheckboxFocus, 'p-disabled': disabled || toggleAllDisabled }" (click)="toggleAll($event)">
                        <ng-container *ngIf="allChecked">
                        <CheckIcon [styleClass]="'p-checkbox-icon'" *ngIf="!checkIconTemplate" />
                        <span *ngIf="checkIconTemplate" class="p-checkbox-icon">
                            <ng-template *ngTemplateOutlet="checkIconTemplate"></ng-template>
                        </span>
                        </ng-container>
                    </div>
                </div>
                <ng-container *ngIf="filterTemplate; else builtInFilterElement">
                    <ng-container *ngTemplateOutlet="filterTemplate; context: { options: filterOptions }"></ng-container>
                </ng-container>
                <ng-template #builtInFilterElement>
                    <div class="p-listbox-filter-container" *ngIf="filter">
                        <input
                            #filter
                            type="text"
                            [value]="filterValue || ''"
                            (input)="onFilter($event)"
                            class="p-listbox-filter p-inputtext p-component"
                            [disabled]="disabled"
                            [attr.placeholder]="filterPlaceHolder"
                            [attr.aria-label]="ariaFilterLabel"
                        />
                        <SearchIcon *ngIf="!filterIconTemplate" [styleClass]="'p-listbox-filter-icon'"/>
                        <span *ngIf="filterIconTemplate" class="p-listbox-filter-icon">
                            <ng-template *ngTemplateOutlet="filterIconTemplate"></ng-template>
                        </span>
                    </div>
                </ng-template>
            </div>
            <div [ngClass]="'p-listbox-list-wrapper'" [ngStyle]="listStyle" [class]="listStyleClass">
                <ul class="p-listbox-list" role="listbox" [attr.aria-multiselectable]="multiple">
                    <ng-container *ngIf="group">
                        <ng-template ngFor let-optgroup [ngForOf]="optionsToRender">
                            <li class="p-listbox-item-group">
                                <span *ngIf="!groupTemplate">{{ getOptionGroupLabel(optgroup) || 'empty' }}</span>
                                <ng-container *ngTemplateOutlet="groupTemplate; context: { $implicit: optgroup }"></ng-container>
                            </li>
                            <ng-container *ngTemplateOutlet="itemslist; context: { $implicit: getOptionGroupChildren(optgroup) }"></ng-container>
                        </ng-template>
                    </ng-container>
                    <ng-container *ngIf="!group">
                        <ng-container *ngTemplateOutlet="itemslist; context: { $implicit: optionsToRender }"></ng-container>
                    </ng-container>
                    <ng-template #itemslist let-optionsToDisplay>
                        <li
                            *ngFor="let option of optionsToDisplay; let i = index"
                            [attr.tabindex]="disabled || isOptionDisabled(option) ? null : '0'"
                            pRipple
                            [ngClass]="{ 'p-listbox-item': true, 'p-highlight': isSelected(option), 'p-disabled': this.isOptionDisabled(option) }"
                            role="option"
                            [attr.aria-label]="getOptionLabel(option)"
                            [attr.aria-selected]="isSelected(option)"
                            (click)="onOptionClick($event, option)"
                            (dblclick)="onOptionDoubleClick($event, option)"
                            (touchend)="onOptionTouchEnd(option)"
                            (keydown)="onOptionKeyDown($event, option)"
                        >
                            <div class="p-checkbox p-component" *ngIf="checkbox && multiple" [ngClass]="{ 'p-checkbox-disabled': disabled || isOptionDisabled(option) }">
                                <div class="p-checkbox-box" [ngClass]="{ 'p-highlight': isSelected(option) }">
                                    <ng-container *ngIf="isSelected(option)">
                                        <CheckIcon [styleClass]="'p-checkbox-icon'" *ngIf="!checkIconTemplate" />
                                        <span *ngIf="checkIconTemplate" class="p-checkbox-icon">
                                            <ng-template *ngTemplateOutlet="checkIconTemplate"></ng-template>
                                        </span>
                                    </ng-container>
                                </div>
                            </div>
                            <span *ngIf="!itemTemplate">{{ getOptionLabel(option) }}</span>
                            <ng-container *ngTemplateOutlet="itemTemplate; context: { $implicit: option, index: i }"></ng-container>
                        </li>
                    </ng-template>
                    <li *ngIf="hasFilter() && isEmpty()" class="p-listbox-empty-message">
                        <ng-container *ngIf="!emptyFilterTemplate && !emptyTemplate; else emptyFilter">
                            {{ emptyFilterMessageLabel }}
                        </ng-container>
                        <ng-container #emptyFilter *ngTemplateOutlet="emptyFilterTemplate || emptyTemplate"></ng-container>
                    </li>
                    <li *ngIf="!hasFilter() && isEmpty()" class="p-listbox-empty-message">
                        <ng-container *ngIf="!emptyTemplate; else empty">
                            {{ emptyMessageLabel }}
                        </ng-container>
                        <ng-container #empty *ngTemplateOutlet="emptyTemplate"></ng-container>
                    </li>
                </ul>
            </div>
            <div class="p-listbox-footer" *ngIf="footerFacet || footerTemplate">
                <ng-content select="p-footer"></ng-content>
                <ng-container *ngTemplateOutlet="footerTemplate"></ng-container>
            </div>
        </div>
    `, isInline: true, styles: [".p-listbox-list-wrapper{overflow:auto}.p-listbox-list{list-style-type:none;margin:0;padding:0}.p-listbox-item{cursor:pointer;position:relative;overflow:hidden;display:flex;align-items:center;-webkit-user-select:none;user-select:none}.p-listbox-header{display:flex;align-items:center}.p-listbox-filter-container{position:relative;flex:1 1 auto}.p-listbox-filter-icon{position:absolute;top:50%;margin-top:-.5rem}.p-listbox-filter{width:100%}\n"], dependencies: [{ kind: "directive", type: i0.forwardRef(function () { return i2.NgClass; }), selector: "[ngClass]", inputs: ["class", "ngClass"] }, { kind: "directive", type: i0.forwardRef(function () { return i2.NgForOf; }), selector: "[ngFor][ngForOf]", inputs: ["ngForOf", "ngForTrackBy", "ngForTemplate"] }, { kind: "directive", type: i0.forwardRef(function () { return i2.NgIf; }), selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { kind: "directive", type: i0.forwardRef(function () { return i2.NgTemplateOutlet; }), selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }, { kind: "directive", type: i0.forwardRef(function () { return i2.NgStyle; }), selector: "[ngStyle]", inputs: ["ngStyle"] }, { kind: "directive", type: i0.forwardRef(function () { return i3.Ripple; }), selector: "[pRipple]" }, { kind: "component", type: i0.forwardRef(function () { return SearchIcon; }), selector: "SearchIcon" }, { kind: "component", type: i0.forwardRef(function () { return CheckIcon; }), selector: "CheckIcon" }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.2.4", ngImport: i0, type: Listbox, decorators: [{
            type: Component,
            args: [{ selector: 'p-listbox', template: `
        <div [ngClass]="{ 'p-listbox p-component': true, 'p-disabled': disabled }" [ngStyle]="style" [class]="styleClass">
            <div class="p-listbox-header" *ngIf="headerFacet || headerTemplate">
                <ng-content select="p-header"></ng-content>
                <ng-container *ngTemplateOutlet="headerTemplate"></ng-container>
            </div>
            <div class="p-listbox-header" *ngIf="(checkbox && multiple && showToggleAll) || filter">
                <div class="p-checkbox p-component" *ngIf="checkbox && multiple && showToggleAll" [ngClass]="{ 'p-checkbox-disabled': disabled || toggleAllDisabled }">
                    <div class="p-hidden-accessible">
                        <input type="checkbox" readonly="readonly" [checked]="allChecked" (focus)="onHeaderCheckboxFocus()" (blur)="onHeaderCheckboxBlur()" (keydown.space)="toggleAll($event)" [disabled]="disabled || toggleAllDisabled" />
                    </div>
                    <div #headerchkbox class="p-checkbox-box" [ngClass]="{ 'p-highlight': allChecked, 'p-focus': headerCheckboxFocus, 'p-disabled': disabled || toggleAllDisabled }" (click)="toggleAll($event)">
                        <ng-container *ngIf="allChecked">
                        <CheckIcon [styleClass]="'p-checkbox-icon'" *ngIf="!checkIconTemplate" />
                        <span *ngIf="checkIconTemplate" class="p-checkbox-icon">
                            <ng-template *ngTemplateOutlet="checkIconTemplate"></ng-template>
                        </span>
                        </ng-container>
                    </div>
                </div>
                <ng-container *ngIf="filterTemplate; else builtInFilterElement">
                    <ng-container *ngTemplateOutlet="filterTemplate; context: { options: filterOptions }"></ng-container>
                </ng-container>
                <ng-template #builtInFilterElement>
                    <div class="p-listbox-filter-container" *ngIf="filter">
                        <input
                            #filter
                            type="text"
                            [value]="filterValue || ''"
                            (input)="onFilter($event)"
                            class="p-listbox-filter p-inputtext p-component"
                            [disabled]="disabled"
                            [attr.placeholder]="filterPlaceHolder"
                            [attr.aria-label]="ariaFilterLabel"
                        />
                        <SearchIcon *ngIf="!filterIconTemplate" [styleClass]="'p-listbox-filter-icon'"/>
                        <span *ngIf="filterIconTemplate" class="p-listbox-filter-icon">
                            <ng-template *ngTemplateOutlet="filterIconTemplate"></ng-template>
                        </span>
                    </div>
                </ng-template>
            </div>
            <div [ngClass]="'p-listbox-list-wrapper'" [ngStyle]="listStyle" [class]="listStyleClass">
                <ul class="p-listbox-list" role="listbox" [attr.aria-multiselectable]="multiple">
                    <ng-container *ngIf="group">
                        <ng-template ngFor let-optgroup [ngForOf]="optionsToRender">
                            <li class="p-listbox-item-group">
                                <span *ngIf="!groupTemplate">{{ getOptionGroupLabel(optgroup) || 'empty' }}</span>
                                <ng-container *ngTemplateOutlet="groupTemplate; context: { $implicit: optgroup }"></ng-container>
                            </li>
                            <ng-container *ngTemplateOutlet="itemslist; context: { $implicit: getOptionGroupChildren(optgroup) }"></ng-container>
                        </ng-template>
                    </ng-container>
                    <ng-container *ngIf="!group">
                        <ng-container *ngTemplateOutlet="itemslist; context: { $implicit: optionsToRender }"></ng-container>
                    </ng-container>
                    <ng-template #itemslist let-optionsToDisplay>
                        <li
                            *ngFor="let option of optionsToDisplay; let i = index"
                            [attr.tabindex]="disabled || isOptionDisabled(option) ? null : '0'"
                            pRipple
                            [ngClass]="{ 'p-listbox-item': true, 'p-highlight': isSelected(option), 'p-disabled': this.isOptionDisabled(option) }"
                            role="option"
                            [attr.aria-label]="getOptionLabel(option)"
                            [attr.aria-selected]="isSelected(option)"
                            (click)="onOptionClick($event, option)"
                            (dblclick)="onOptionDoubleClick($event, option)"
                            (touchend)="onOptionTouchEnd(option)"
                            (keydown)="onOptionKeyDown($event, option)"
                        >
                            <div class="p-checkbox p-component" *ngIf="checkbox && multiple" [ngClass]="{ 'p-checkbox-disabled': disabled || isOptionDisabled(option) }">
                                <div class="p-checkbox-box" [ngClass]="{ 'p-highlight': isSelected(option) }">
                                    <ng-container *ngIf="isSelected(option)">
                                        <CheckIcon [styleClass]="'p-checkbox-icon'" *ngIf="!checkIconTemplate" />
                                        <span *ngIf="checkIconTemplate" class="p-checkbox-icon">
                                            <ng-template *ngTemplateOutlet="checkIconTemplate"></ng-template>
                                        </span>
                                    </ng-container>
                                </div>
                            </div>
                            <span *ngIf="!itemTemplate">{{ getOptionLabel(option) }}</span>
                            <ng-container *ngTemplateOutlet="itemTemplate; context: { $implicit: option, index: i }"></ng-container>
                        </li>
                    </ng-template>
                    <li *ngIf="hasFilter() && isEmpty()" class="p-listbox-empty-message">
                        <ng-container *ngIf="!emptyFilterTemplate && !emptyTemplate; else emptyFilter">
                            {{ emptyFilterMessageLabel }}
                        </ng-container>
                        <ng-container #emptyFilter *ngTemplateOutlet="emptyFilterTemplate || emptyTemplate"></ng-container>
                    </li>
                    <li *ngIf="!hasFilter() && isEmpty()" class="p-listbox-empty-message">
                        <ng-container *ngIf="!emptyTemplate; else empty">
                            {{ emptyMessageLabel }}
                        </ng-container>
                        <ng-container #empty *ngTemplateOutlet="emptyTemplate"></ng-container>
                    </li>
                </ul>
            </div>
            <div class="p-listbox-footer" *ngIf="footerFacet || footerTemplate">
                <ng-content select="p-footer"></ng-content>
                <ng-container *ngTemplateOutlet="footerTemplate"></ng-container>
            </div>
        </div>
    `, providers: [LISTBOX_VALUE_ACCESSOR], changeDetection: ChangeDetectionStrategy.OnPush, encapsulation: ViewEncapsulation.None, host: {
                        class: 'p-element'
                    }, styles: [".p-listbox-list-wrapper{overflow:auto}.p-listbox-list{list-style-type:none;margin:0;padding:0}.p-listbox-item{cursor:pointer;position:relative;overflow:hidden;display:flex;align-items:center;-webkit-user-select:none;user-select:none}.p-listbox-header{display:flex;align-items:center}.p-listbox-filter-container{position:relative;flex:1 1 auto}.p-listbox-filter-icon{position:absolute;top:50%;margin-top:-.5rem}.p-listbox-filter{width:100%}\n"] }]
        }], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i0.ChangeDetectorRef }, { type: i1.FilterService }, { type: i1.PrimeNGConfig }]; }, propDecorators: { multiple: [{
                type: Input
            }], style: [{
                type: Input
            }], styleClass: [{
                type: Input
            }], listStyle: [{
                type: Input
            }], listStyleClass: [{
                type: Input
            }], readonly: [{
                type: Input
            }], disabled: [{
                type: Input
            }], checkbox: [{
                type: Input
            }], filter: [{
                type: Input
            }], filterBy: [{
                type: Input
            }], filterMatchMode: [{
                type: Input
            }], filterLocale: [{
                type: Input
            }], metaKeySelection: [{
                type: Input
            }], dataKey: [{
                type: Input
            }], showToggleAll: [{
                type: Input
            }], optionLabel: [{
                type: Input
            }], optionValue: [{
                type: Input
            }], optionGroupChildren: [{
                type: Input
            }], optionGroupLabel: [{
                type: Input
            }], optionDisabled: [{
                type: Input
            }], ariaFilterLabel: [{
                type: Input
            }], filterPlaceHolder: [{
                type: Input
            }], emptyFilterMessage: [{
                type: Input
            }], emptyMessage: [{
                type: Input
            }], group: [{
                type: Input
            }], onChange: [{
                type: Output
            }], onClick: [{
                type: Output
            }], onDblClick: [{
                type: Output
            }], headerCheckboxViewChild: [{
                type: ViewChild,
                args: ['headerchkbox']
            }], filterViewChild: [{
                type: ViewChild,
                args: ['filter']
            }], headerFacet: [{
                type: ContentChild,
                args: [Header]
            }], footerFacet: [{
                type: ContentChild,
                args: [Footer]
            }], templates: [{
                type: ContentChildren,
                args: [PrimeTemplate]
            }], options: [{
                type: Input
            }], filterValue: [{
                type: Input
            }] } });
export class ListboxModule {
}
ListboxModule.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.4", ngImport: i0, type: ListboxModule, deps: [], target: i0.ɵɵFactoryTarget.NgModule });
ListboxModule.ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "14.0.0", version: "15.2.4", ngImport: i0, type: ListboxModule, declarations: [Listbox], imports: [CommonModule, SharedModule, RippleModule, SearchIcon, CheckIcon], exports: [Listbox, SharedModule] });
ListboxModule.ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "15.2.4", ngImport: i0, type: ListboxModule, imports: [CommonModule, SharedModule, RippleModule, SearchIcon, CheckIcon, SharedModule] });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.2.4", ngImport: i0, type: ListboxModule, decorators: [{
            type: NgModule,
            args: [{
                    imports: [CommonModule, SharedModule, RippleModule, SearchIcon, CheckIcon],
                    exports: [Listbox, SharedModule],
                    declarations: [Listbox]
                }]
        }] });
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