primeng/fesm2015/primeng-multiselect.js

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import { forwardRef, EventEmitter, Input, Output, Component, ElementRef, Renderer2, ChangeDetectorRef, ViewChild, ContentChild, ContentChildren, ChangeDetectionStrategy, NgModule } from '@angular/core';
import { trigger, state, style, transition, animate } from '@angular/animations';
import { CommonModule } from '@angular/common';
import { DomHandler } from 'primeng/dom';
import { ObjectUtils, FilterUtils } from 'primeng/utils';
import { Footer, Header, PrimeTemplate, SharedModule } from 'primeng/api';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
import { ScrollingModule } from '@angular/cdk/scrolling';
import { TooltipModule } from 'primeng/tooltip';

var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
const MULTISELECT_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: forwardRef(() => MultiSelect),
    multi: true
};
let MultiSelectItem = class MultiSelectItem {
    constructor() {
        this.onClick = new EventEmitter();
        this.onKeydown = new EventEmitter();
    }
    onOptionClick(event) {
        this.onClick.emit({
            originalEvent: event,
            option: this.option
        });
    }
    onOptionKeydown(event) {
        this.onKeydown.emit({
            originalEvent: event,
            option: this.option
        });
    }
};
__decorate([
    Input()
], MultiSelectItem.prototype, "option", void 0);
__decorate([
    Input()
], MultiSelectItem.prototype, "selected", void 0);
__decorate([
    Input()
], MultiSelectItem.prototype, "disabled", void 0);
__decorate([
    Input()
], MultiSelectItem.prototype, "visible", void 0);
__decorate([
    Input()
], MultiSelectItem.prototype, "itemSize", void 0);
__decorate([
    Input()
], MultiSelectItem.prototype, "template", void 0);
__decorate([
    Input()
], MultiSelectItem.prototype, "maxSelectionLimitReached", void 0);
__decorate([
    Output()
], MultiSelectItem.prototype, "onClick", void 0);
__decorate([
    Output()
], MultiSelectItem.prototype, "onKeydown", void 0);
MultiSelectItem = __decorate([
    Component({
        selector: 'p-multiSelectItem',
        template: `
        <li class="ui-multiselect-item ui-corner-all" (click)="onOptionClick($event)" (keydown)="onOptionKeydown($event)" [attr.aria-label]="option.label"
            [style.display]="visible ? 'block' : 'none'" [attr.tabindex]="option.disabled ? null : '0'" [ngStyle]="{'height': itemSize + 'px'}"
            [ngClass]="{'ui-state-highlight': selected, 'ui-state-disabled': (option.disabled || (maxSelectionLimitReached && !selected))}">
            <div class="ui-chkbox ui-widget">
                <div class="ui-chkbox-box ui-widget ui-corner-all ui-state-default"
                    [ngClass]="{'ui-state-active': selected}">
                    <span class="ui-chkbox-icon ui-clickable" [ngClass]="{'pi pi-check': selected}"></span>
                </div>
            </div>
            <span *ngIf="!template">{{option.label}}</span>
            <ng-container *ngTemplateOutlet="template; context: {$implicit: option}"></ng-container>
        </li>
    `
    })
], MultiSelectItem);
let MultiSelect = class MultiSelect {
    constructor(el, renderer, cd) {
        this.el = el;
        this.renderer = renderer;
        this.cd = cd;
        this.scrollHeight = '200px';
        this._defaultLabel = 'Choose';
        this.filter = true;
        this.displaySelectedLabel = true;
        this.maxSelectedLabels = 3;
        this.selectedItemsLabel = '{0} items selected';
        this.showToggleAll = true;
        this.emptyFilterMessage = 'No results found';
        this.resetFilterOnHide = false;
        this.dropdownIcon = 'pi pi-chevron-down';
        this.showHeader = true;
        this.autoZIndex = true;
        this.baseZIndex = 0;
        this.filterBy = 'label';
        this.showTransitionOptions = '225ms ease-out';
        this.hideTransitionOptions = '195ms ease-in';
        this.filterMatchMode = "contains";
        this.tooltip = '';
        this.tooltipPosition = 'right';
        this.tooltipPositionStyle = 'absolute';
        this.autofocusFilter = true;
        this.onChange = new EventEmitter();
        this.onFocus = new EventEmitter();
        this.onBlur = new EventEmitter();
        this.onClick = new EventEmitter();
        this.onPanelShow = new EventEmitter();
        this.onPanelHide = new EventEmitter();
        this.onModelChange = () => { };
        this.onModelTouched = () => { };
        this.disabledSelectedOptions = [];
    }
    set defaultLabel(val) {
        this._defaultLabel = val;
        this.updateLabel();
    }
    get defaultLabel() {
        return this._defaultLabel;
    }
    get options() {
        return this._options;
    }
    set options(val) {
        let opts = this.optionLabel ? ObjectUtils.generateSelectItems(val, this.optionLabel) : val;
        this.visibleOptions = opts;
        this._options = opts;
        this.updateLabel();
        if (this.filterValue && this.filterValue.length) {
            this.activateFilter();
        }
    }
    ngOnInit() {
        this.updateLabel();
    }
    ngAfterContentInit() {
        this.templates.forEach((item) => {
            switch (item.getType()) {
                case 'item':
                    this.itemTemplate = item.template;
                    break;
                case 'selectedItems':
                    this.selectedItemsTemplate = item.template;
                    break;
                default:
                    this.itemTemplate = item.template;
                    break;
            }
        });
    }
    ngAfterViewInit() {
        if (this.overlayVisible) {
            this.show();
        }
    }
    ngAfterViewChecked() {
        if (this.filtered) {
            this.alignOverlay();
            this.filtered = false;
        }
    }
    writeValue(value) {
        this.value = value;
        this.updateLabel();
        this.updateFilledState();
        this.setDisabledSelectedOptions();
        this.checkSelectionLimit();
        this.cd.markForCheck();
    }
    checkSelectionLimit() {
        if (this.selectionLimit && (this.value && this.value.length === this.selectionLimit)) {
            this.maxSelectionLimitReached = true;
        }
    }
    updateFilledState() {
        this.filled = (this.value && this.value.length > 0);
    }
    registerOnChange(fn) {
        this.onModelChange = fn;
    }
    registerOnTouched(fn) {
        this.onModelTouched = fn;
    }
    setDisabledState(val) {
        this.disabled = val;
    }
    onOptionClick(event) {
        let option = event.option;
        if (option.disabled) {
            return;
        }
        const optionValue = option.value;
        let selectionIndex = this.findSelectionIndex(optionValue);
        if (selectionIndex != -1) {
            this.value = this.value.filter((val, i) => i != selectionIndex);
            if (this.selectionLimit) {
                this.maxSelectionLimitReached = false;
            }
        }
        else {
            if (!this.selectionLimit || (!this.value || this.value.length < this.selectionLimit)) {
                this.value = [...this.value || [], optionValue];
            }
            this.checkSelectionLimit();
        }
        this.onModelChange(this.value);
        this.onChange.emit({ originalEvent: event.originalEvent, value: this.value, itemValue: optionValue });
        this.updateLabel();
        this.updateFilledState();
    }
    isSelected(value) {
        return this.findSelectionIndex(value) != -1;
    }
    findSelectionIndex(val) {
        let index = -1;
        if (this.value) {
            for (let i = 0; i < this.value.length; i++) {
                if (ObjectUtils.equals(this.value[i], val, this.dataKey)) {
                    index = i;
                    break;
                }
            }
        }
        return index;
    }
    toggleAll(event) {
        if (this.isAllChecked()) {
            if (this.disabledSelectedOptions && this.disabledSelectedOptions.length > 0) {
                let value = [];
                value = [...this.disabledSelectedOptions];
                this.value = value;
            }
            else {
                this.value = [];
            }
        }
        else {
            let opts = this.getVisibleOptions();
            if (opts) {
                let value = [];
                if (this.disabledSelectedOptions && this.disabledSelectedOptions.length > 0) {
                    value = [...this.disabledSelectedOptions];
                }
                for (let i = 0; i < opts.length; i++) {
                    let option = opts[i];
                    if (!option.disabled) {
                        value.push(opts[i].value);
                    }
                }
                this.value = value;
            }
        }
        this.onModelChange(this.value);
        this.onChange.emit({ originalEvent: event, value: this.value });
        this.updateFilledState();
        this.updateLabel();
    }
    isAllChecked() {
        if (this.filterValue && this.filterValue.trim().length) {
            return this.value && this.visibleOptions && this.visibleOptions.length && this.isAllVisibleOptionsChecked();
        }
        else {
            let optionCount = this.getEnabledOptionCount();
            let disabledSelectedOptionCount = this.disabledSelectedOptions.length;
            return this.value && this.options && (this.value.length > 0 && this.value.length == optionCount + disabledSelectedOptionCount);
        }
    }
    isAllVisibleOptionsChecked() {
        if (!this.visibleOptions || this.visibleOptions.length === 0) {
            return false;
        }
        else {
            for (let option of this.visibleOptions) {
                if (!this.isSelected(option.value)) {
                    return false;
                }
            }
            return true;
        }
    }
    getEnabledOptionCount() {
        if (this.options) {
            let count = 0;
            for (let opt of this.options) {
                if (!opt.disabled) {
                    count++;
                }
            }
            return count;
        }
        else {
            return 0;
        }
    }
    setDisabledSelectedOptions() {
        if (this.options) {
            this.disabledSelectedOptions = [];
            if (this.value) {
                for (let opt of this.options) {
                    if (opt.disabled && this.isSelected(opt.value)) {
                        this.disabledSelectedOptions.push(opt.value);
                    }
                }
            }
        }
    }
    show() {
        if (!this.overlayVisible) {
            this.overlayVisible = true;
        }
    }
    onOverlayAnimationStart(event) {
        switch (event.toState) {
            case 'visible':
                this.overlay = event.element;
                this.appendOverlay();
                if (this.autoZIndex) {
                    this.overlay.style.zIndex = String(this.baseZIndex + (++DomHandler.zindex));
                }
                this.alignOverlay();
                this.bindDocumentClickListener();
                this.bindDocumentResizeListener();
                if (this.filterInputChild && this.filterInputChild.nativeElement) {
                    this.preventModelTouched = true;
                    if (this.autofocusFilter) {
                        this.filterInputChild.nativeElement.focus();
                    }
                }
                this.onPanelShow.emit();
                break;
            case 'void':
                this.onOverlayHide();
                break;
        }
    }
    appendOverlay() {
        if (this.appendTo) {
            if (this.appendTo === 'body')
                document.body.appendChild(this.overlay);
            else
                DomHandler.appendChild(this.overlay, this.appendTo);
            this.overlay.style.minWidth = DomHandler.getWidth(this.containerViewChild.nativeElement) + 'px';
        }
    }
    restoreOverlayAppend() {
        if (this.overlay && this.appendTo) {
            this.el.nativeElement.appendChild(this.overlay);
        }
    }
    alignOverlay() {
        if (this.overlay) {
            if (this.appendTo)
                DomHandler.absolutePosition(this.overlay, this.containerViewChild.nativeElement);
            else
                DomHandler.relativePosition(this.overlay, this.containerViewChild.nativeElement);
        }
    }
    hide() {
        this.overlayVisible = false;
        this.unbindDocumentClickListener();
        if (this.resetFilterOnHide) {
            this.filterInputChild.nativeElement.value = '';
            this.onFilter();
        }
        this.onPanelHide.emit();
    }
    close(event) {
        this.hide();
        event.preventDefault();
        event.stopPropagation();
    }
    onMouseclick(event, input) {
        if (this.disabled || this.readonly) {
            return;
        }
        this.onClick.emit(event);
        if (!this.panelClick) {
            if (this.overlayVisible) {
                this.hide();
            }
            else {
                input.focus();
                this.show();
            }
        }
        this.selfClick = true;
    }
    onInputFocus(event) {
        this.focus = true;
        this.onFocus.emit({ originalEvent: event });
    }
    onInputBlur(event) {
        this.focus = false;
        this.onBlur.emit({ originalEvent: event });
        if (!this.preventModelTouched) {
            this.onModelTouched();
        }
        this.preventModelTouched = false;
    }
    onOptionKeydown(event) {
        if (this.readonly) {
            return;
        }
        switch (event.originalEvent.which) {
            //down
            case 40:
                var nextItem = this.findNextItem(event.originalEvent.target.parentElement);
                if (nextItem) {
                    nextItem.focus();
                }
                event.originalEvent.preventDefault();
                break;
            //up
            case 38:
                var prevItem = this.findPrevItem(event.originalEvent.target.parentElement);
                if (prevItem) {
                    prevItem.focus();
                }
                event.originalEvent.preventDefault();
                break;
            //enter
            case 13:
                this.onOptionClick(event);
                event.originalEvent.preventDefault();
                break;
        }
    }
    findNextItem(item) {
        let nextItem = item.nextElementSibling;
        if (nextItem)
            return DomHandler.hasClass(nextItem.children[0], 'ui-state-disabled') || DomHandler.isHidden(nextItem.children[0]) ? this.findNextItem(nextItem) : nextItem.children[0];
        else
            return null;
    }
    findPrevItem(item) {
        let prevItem = item.previousElementSibling;
        if (prevItem)
            return DomHandler.hasClass(prevItem.children[0], 'ui-state-disabled') || DomHandler.isHidden(prevItem.children[0]) ? this.findPrevItem(prevItem) : prevItem.children[0];
        else
            return null;
    }
    onKeydown(event) {
        switch (event.which) {
            //down
            case 40:
                if (!this.overlayVisible && event.altKey) {
                    this.show();
                    event.preventDefault();
                }
                break;
            //space
            case 32:
                if (!this.overlayVisible) {
                    this.show();
                    event.preventDefault();
                }
                break;
            //escape
            case 27:
                this.hide();
                break;
        }
    }
    updateLabel() {
        if (this.value && this.options && this.value.length && this.displaySelectedLabel) {
            let label = '';
            for (let i = 0; i < this.value.length; i++) {
                let itemLabel = this.findLabelByValue(this.value[i]);
                if (itemLabel) {
                    if (label.length > 0) {
                        label = label + ', ';
                    }
                    label = label + itemLabel;
                }
            }
            if (this.value.length <= this.maxSelectedLabels) {
                this.valuesAsString = label;
            }
            else {
                let pattern = /{(.*?)}/;
                if (pattern.test(this.selectedItemsLabel)) {
                    this.valuesAsString = this.selectedItemsLabel.replace(this.selectedItemsLabel.match(pattern)[0], this.value.length + '');
                }
                else {
                    this.valuesAsString = this.selectedItemsLabel;
                }
            }
        }
        else {
            this.valuesAsString = this.defaultLabel;
        }
    }
    findLabelByValue(val) {
        let label = null;
        for (let i = 0; i < this.options.length; i++) {
            let option = this.options[i];
            if (val == null && option.value == null || ObjectUtils.equals(val, option.value, this.dataKey)) {
                label = option.label;
                break;
            }
        }
        return label;
    }
    onFilter() {
        let inputValue = this.filterInputChild.nativeElement.value;
        if (inputValue && inputValue.length) {
            this.filterValue = inputValue;
            this.activateFilter();
        }
        else {
            this.filterValue = null;
            this.visibleOptions = this.options;
            this.filtered = false;
        }
    }
    activateFilter() {
        if (this.options && this.options.length) {
            let searchFields = this.filterBy.split(',');
            this.visibleOptions = FilterUtils.filter(this.options, searchFields, this.filterValue, this.filterMatchMode);
            this.filtered = true;
        }
    }
    isItemVisible(option) {
        if (this.filterValue && this.filterValue.trim().length) {
            for (let i = 0; i < this.visibleOptions.length; i++) {
                if (this.visibleOptions[i].value == option.value) {
                    return true;
                }
            }
        }
        else {
            return true;
        }
    }
    getVisibleOptions() {
        return this.visibleOptions || this.options;
    }
    onHeaderCheckboxFocus() {
        this.headerCheckboxFocus = true;
    }
    onHeaderCheckboxBlur() {
        this.headerCheckboxFocus = false;
    }
    bindDocumentClickListener() {
        if (!this.documentClickListener) {
            this.documentClickListener = this.renderer.listen('document', 'click', () => {
                if (!this.selfClick && !this.panelClick && this.overlayVisible) {
                    this.hide();
                }
                this.selfClick = false;
                this.panelClick = false;
                this.cd.markForCheck();
            });
        }
    }
    unbindDocumentClickListener() {
        if (this.documentClickListener) {
            this.documentClickListener();
            this.documentClickListener = null;
        }
    }
    bindDocumentResizeListener() {
        this.documentResizeListener = this.onWindowResize.bind(this);
        window.addEventListener('resize', this.documentResizeListener);
    }
    unbindDocumentResizeListener() {
        if (this.documentResizeListener) {
            window.removeEventListener('resize', this.documentResizeListener);
            this.documentResizeListener = null;
        }
    }
    onWindowResize() {
        if (!DomHandler.isAndroid()) {
            this.hide();
        }
    }
    onOverlayHide() {
        this.unbindDocumentClickListener();
        this.unbindDocumentResizeListener();
        this.overlay = null;
        this.onModelTouched();
    }
    ngOnDestroy() {
        this.restoreOverlayAppend();
        this.onOverlayHide();
    }
};
MultiSelect.ctorParameters = () => [
    { type: ElementRef },
    { type: Renderer2 },
    { type: ChangeDetectorRef }
];
__decorate([
    Input()
], MultiSelect.prototype, "scrollHeight", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "defaultLabel", null);
__decorate([
    Input()
], MultiSelect.prototype, "style", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "styleClass", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "panelStyle", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "panelStyleClass", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "inputId", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "disabled", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "readonly", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "filter", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "filterPlaceHolder", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "overlayVisible", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "tabindex", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "appendTo", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "dataKey", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "name", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "ariaLabelledBy", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "displaySelectedLabel", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "maxSelectedLabels", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "selectionLimit", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "selectedItemsLabel", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "showToggleAll", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "emptyFilterMessage", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "resetFilterOnHide", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "dropdownIcon", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "optionLabel", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "showHeader", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "autoZIndex", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "baseZIndex", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "filterBy", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "virtualScroll", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "itemSize", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "showTransitionOptions", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "hideTransitionOptions", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "ariaFilterLabel", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "filterMatchMode", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "tooltip", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "tooltipPosition", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "tooltipPositionStyle", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "tooltipStyleClass", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "autofocusFilter", void 0);
__decorate([
    ViewChild('container')
], MultiSelect.prototype, "containerViewChild", void 0);
__decorate([
    ViewChild('filterInput')
], MultiSelect.prototype, "filterInputChild", void 0);
__decorate([
    ContentChild(Footer)
], MultiSelect.prototype, "footerFacet", void 0);
__decorate([
    ContentChild(Header)
], MultiSelect.prototype, "headerFacet", void 0);
__decorate([
    ContentChildren(PrimeTemplate)
], MultiSelect.prototype, "templates", void 0);
__decorate([
    Output()
], MultiSelect.prototype, "onChange", void 0);
__decorate([
    Output()
], MultiSelect.prototype, "onFocus", void 0);
__decorate([
    Output()
], MultiSelect.prototype, "onBlur", void 0);
__decorate([
    Output()
], MultiSelect.prototype, "onClick", void 0);
__decorate([
    Output()
], MultiSelect.prototype, "onPanelShow", void 0);
__decorate([
    Output()
], MultiSelect.prototype, "onPanelHide", void 0);
__decorate([
    Input()
], MultiSelect.prototype, "options", null);
MultiSelect = __decorate([
    Component({
        selector: 'p-multiSelect',
        template: `
        <div #container [ngClass]="{'ui-multiselect ui-widget ui-state-default ui-corner-all':true,'ui-multiselect-open':overlayVisible,'ui-state-focus':focus,'ui-state-disabled': disabled}" [ngStyle]="style" [class]="styleClass"
            (click)="onMouseclick($event,in)">
            <div class="ui-helper-hidden-accessible">
                <input #in type="text" readonly="readonly" [attr.id]="inputId" [attr.name]="name" (focus)="onInputFocus($event)" (blur)="onInputBlur($event)"
                       [disabled]="disabled" [attr.tabindex]="tabindex" (keydown)="onKeydown($event)" aria-haspopup="listbox" [attr.aria-expanded]="overlayVisible" 
                       [attr.aria-labelledby]="ariaLabelledBy" role="listbox">
            </div>
            <div class="ui-multiselect-label-container" [pTooltip]="tooltip" [tooltipPosition]="tooltipPosition" [positionStyle]="tooltipPositionStyle" [tooltipStyleClass]="tooltipStyleClass">
                <span class="ui-multiselect-label ui-corner-all">
                    <ng-container *ngIf="!selectedItemsTemplate">{{valuesAsString}}</ng-container>
                    <ng-container *ngTemplateOutlet="selectedItemsTemplate; context: {$implicit: value}"></ng-container>
                </span>
            </div>
            <div [ngClass]="{'ui-multiselect-trigger ui-state-default ui-corner-right':true}">
                <span class="ui-multiselect-trigger-icon ui-clickable" [ngClass]="dropdownIcon"></span>
            </div>
            <div *ngIf="overlayVisible" [ngClass]="['ui-multiselect-panel ui-widget ui-widget-content ui-corner-all ui-shadow']" [@overlayAnimation]="{value: 'visible', params: {showTransitionParams: showTransitionOptions, hideTransitionParams: hideTransitionOptions}}" (@overlayAnimation.start)="onOverlayAnimationStart($event)"
                [ngStyle]="panelStyle" [class]="panelStyleClass" (click)="panelClick=true" (keydown)="onKeydown($event)">
                <div class="ui-widget-header ui-corner-all ui-multiselect-header ui-helper-clearfix" [ngClass]="{'ui-multiselect-header-no-toggleall': !showToggleAll}" *ngIf="showHeader">
                <ng-content select="p-header"></ng-content>  
                <div class="ui-chkbox ui-widget" *ngIf="showToggleAll && !selectionLimit">
                        <div class="ui-helper-hidden-accessible">
                            <input type="checkbox" readonly="readonly" [checked]="isAllChecked()" (focus)="onHeaderCheckboxFocus()" (blur)="onHeaderCheckboxBlur()" (keydown.space)="toggleAll($event)">
                        </div>
                        <div class="ui-chkbox-box ui-widget ui-corner-all ui-state-default" role="checkbox" [attr.aria-checked]="isAllChecked()" [ngClass]="{'ui-state-active':isAllChecked(), 'ui-state-focus': headerCheckboxFocus}" (click)="toggleAll($event)">
                            <span class="ui-chkbox-icon ui-clickable" [ngClass]="{'pi pi-check':isAllChecked()}"></span>
                        </div>
                    </div>
                    <div class="ui-multiselect-filter-container" *ngIf="filter">
                        <input #filterInput type="text" role="textbox" [value]="filterValue||''" (input)="onFilter()" class="ui-inputtext ui-widget ui-state-default ui-corner-all" [attr.placeholder]="filterPlaceHolder" [attr.aria-label]="ariaFilterLabel">
                        <span class="ui-multiselect-filter-icon pi pi-search"></span>
                    </div>
                    <a class="ui-multiselect-close ui-corner-all" tabindex="0" (click)="close($event)" (keydown.enter)="close($event)">
                        <span class="pi pi-times"></span>
                    </a>
                </div>
                <div class="ui-multiselect-items-wrapper" [style.max-height]="virtualScroll ? 'auto' : (scrollHeight||'auto')">
                    <ul class="ui-multiselect-items ui-multiselect-list ui-widget-content ui-widget ui-corner-all ui-helper-reset" role="listbox" aria-multiselectable="true">
                        <ng-container *ngIf="!virtualScroll; else virtualScrollList">
                            <ng-template ngFor let-option let-i="index" [ngForOf]="options">
                                <p-multiSelectItem [option]="option" [selected]="isSelected(option.value)" (onClick)="onOptionClick($event)" (onKeydown)="onOptionKeydown($event)" 
                                        [maxSelectionLimitReached]="maxSelectionLimitReached" [visible]="isItemVisible(option)" [template]="itemTemplate"></p-multiSelectItem>
                            </ng-template>
                        </ng-container>
                        <ng-template #virtualScrollList>
                            <cdk-virtual-scroll-viewport #viewport [ngStyle]="{'height': scrollHeight}" [itemSize]="itemSize" *ngIf="virtualScroll && visibleOptions && visibleOptions.length">
                                <ng-container *cdkVirtualFor="let option of visibleOptions; let i = index; let c = count; let f = first; let l = last; let e = even; let o = odd">
                                    <p-multiSelectItem [option]="option" [selected]="isSelected(option.value)" (onClick)="onOptionClick($event)" (onKeydown)="onOptionKeydown($event)" 
                                        [maxSelectionLimitReached]="maxSelectionLimitReached" [visible]="isItemVisible(option)" [template]="itemTemplate" [itemSize]="itemSize"></p-multiSelectItem>
                                </ng-container>
                            </cdk-virtual-scroll-viewport>
                        </ng-template>
                        <li *ngIf="filter && visibleOptions && visibleOptions.length === 0" class="ui-multiselect-empty-message">{{emptyFilterMessage}}</li>
                    </ul>
                </div>
                <div class="ui-multiselect-footer ui-widget-content" *ngIf="footerFacet">
                    <ng-content select="p-footer"></ng-content>
                </div>
            </div>
        </div>
    `,
        animations: [
            trigger('overlayAnimation', [
                state('void', style({
                    transform: 'translateY(5%)',
                    opacity: 0
                })),
                state('visible', style({
                    transform: 'translateY(0)',
                    opacity: 1
                })),
                transition('void => visible', animate('{{showTransitionParams}}')),
                transition('visible => void', animate('{{hideTransitionParams}}'))
            ])
        ],
        host: {
            '[class.ui-inputwrapper-filled]': 'filled',
            '[class.ui-inputwrapper-focus]': 'focus'
        },
        providers: [MULTISELECT_VALUE_ACCESSOR],
        changeDetection: ChangeDetectionStrategy.Default
    })
], MultiSelect);
let MultiSelectModule = class MultiSelectModule {
};
MultiSelectModule = __decorate([
    NgModule({
        imports: [CommonModule, SharedModule, ScrollingModule, TooltipModule],
        exports: [MultiSelect, SharedModule, ScrollingModule],
        declarations: [MultiSelect, MultiSelectItem]
    })
], MultiSelectModule);

/**
 * Generated bundle index. Do not edit.
 */

export { MULTISELECT_VALUE_ACCESSOR, MultiSelect, MultiSelectItem, MultiSelectModule };
//# sourceMappingURL=primeng-multiselect.js.map