Icard/angular-clarity-master(working)/node_modules/primeng/esm2022/dropdown/dropdown.mjs

import { CommonModule } from '@angular/common';
import { booleanAttribute, ChangeDetectionStrategy, Component, computed, ContentChildren, effect, EventEmitter, forwardRef, Input, NgModule, numberAttribute, Output, signal, ViewChild, ViewEncapsulation } from '@angular/core';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
import { PrimeTemplate, SharedModule, TranslationKeys } from 'primeng/api';
import { AutoFocusModule } from 'primeng/autofocus';
import { DomHandler } from 'primeng/dom';
import { OverlayModule } from 'primeng/overlay';
import { RippleModule } from 'primeng/ripple';
import { ScrollerModule } from 'primeng/scroller';
import { TooltipModule } from 'primeng/tooltip';
import { ObjectUtils, UniqueComponentId } from 'primeng/utils';
import { TimesIcon } from 'primeng/icons/times';
import { CheckIcon } from 'primeng/icons/check';
import { BlankIcon } from 'primeng/icons/blank';
import { ChevronDownIcon } from 'primeng/icons/chevrondown';
import { SearchIcon } from 'primeng/icons/search';
import * as i0 from "@angular/core";
import * as i1 from "@angular/common";
import * as i2 from "primeng/ripple";
import * as i3 from "primeng/api";
import * as i4 from "primeng/overlay";
import * as i5 from "primeng/tooltip";
import * as i6 from "primeng/scroller";
import * as i7 from "primeng/autofocus";
export const DROPDOWN_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: forwardRef(() => Dropdown),
    multi: true
};
export class DropdownItem {
    id;
    option;
    selected;
    focused;
    label;
    disabled;
    visible;
    itemSize;
    ariaPosInset;
    ariaSetSize;
    template;
    checkmark;
    onClick = new EventEmitter();
    onMouseEnter = new EventEmitter();
    ngOnInit() { }
    onOptionClick(event) {
        this.onClick.emit(event);
    }
    onOptionMouseEnter(event) {
        this.onMouseEnter.emit(event);
    }
    static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: DropdownItem, deps: [], target: i0.ɵɵFactoryTarget.Component });
    static ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "16.1.0", version: "17.3.7", type: DropdownItem, selector: "p-dropdownItem", inputs: { id: "id", option: "option", selected: ["selected", "selected", booleanAttribute], focused: ["focused", "focused", booleanAttribute], label: "label", disabled: ["disabled", "disabled", booleanAttribute], visible: ["visible", "visible", booleanAttribute], itemSize: ["itemSize", "itemSize", numberAttribute], ariaPosInset: "ariaPosInset", ariaSetSize: "ariaSetSize", template: "template", checkmark: ["checkmark", "checkmark", booleanAttribute] }, outputs: { onClick: "onClick", onMouseEnter: "onMouseEnter" }, host: { classAttribute: "p-element" }, ngImport: i0, template: `
        <li
            [id]="id"
            (click)="onOptionClick($event)"
            (mouseenter)="onOptionMouseEnter($event)"
            role="option"
            pRipple
            [attr.aria-label]="label"
            [attr.aria-setsize]="ariaSetSize"
            [attr.aria-posinset]="ariaPosInset"
            [attr.aria-selected]="selected"
            [attr.data-p-focused]="focused"
            [attr.data-p-highlight]="selected"
            [attr.data-p-disabled]="disabled"
            [ngStyle]="{ height: itemSize + 'px' }"
            [ngClass]="{ 'p-dropdown-item': true, 'p-highlight': selected, 'p-disabled': disabled, 'p-focus': focused }"
        >
            <ng-container *ngIf="checkmark">
                <CheckIcon *ngIf="selected" [styleClass]="'p-dropdown-check-icon'" />
                <BlankIcon *ngIf="!selected" [styleClass]="'p-dropdown-blank-icon'" />
            </ng-container>
            <span *ngIf="!template">{{ label ?? 'empty' }}</span>
            <ng-container *ngTemplateOutlet="template; context: { $implicit: option }"></ng-container>
        </li>
    `, isInline: true, dependencies: [{ kind: "directive", type: i0.forwardRef(() => i1.NgClass), selector: "[ngClass]", inputs: ["class", "ngClass"] }, { kind: "directive", type: i0.forwardRef(() => i1.NgIf), selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { kind: "directive", type: i0.forwardRef(() => i1.NgTemplateOutlet), selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }, { kind: "directive", type: i0.forwardRef(() => i1.NgStyle), selector: "[ngStyle]", inputs: ["ngStyle"] }, { kind: "directive", type: i0.forwardRef(() => i2.Ripple), selector: "[pRipple]" }, { kind: "component", type: i0.forwardRef(() => BlankIcon), selector: "BlankIcon" }, { kind: "component", type: i0.forwardRef(() => CheckIcon), selector: "CheckIcon" }] });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: DropdownItem, decorators: [{
            type: Component,
            args: [{
                    selector: 'p-dropdownItem',
                    template: `
        <li
            [id]="id"
            (click)="onOptionClick($event)"
            (mouseenter)="onOptionMouseEnter($event)"
            role="option"
            pRipple
            [attr.aria-label]="label"
            [attr.aria-setsize]="ariaSetSize"
            [attr.aria-posinset]="ariaPosInset"
            [attr.aria-selected]="selected"
            [attr.data-p-focused]="focused"
            [attr.data-p-highlight]="selected"
            [attr.data-p-disabled]="disabled"
            [ngStyle]="{ height: itemSize + 'px' }"
            [ngClass]="{ 'p-dropdown-item': true, 'p-highlight': selected, 'p-disabled': disabled, 'p-focus': focused }"
        >
            <ng-container *ngIf="checkmark">
                <CheckIcon *ngIf="selected" [styleClass]="'p-dropdown-check-icon'" />
                <BlankIcon *ngIf="!selected" [styleClass]="'p-dropdown-blank-icon'" />
            </ng-container>
            <span *ngIf="!template">{{ label ?? 'empty' }}</span>
            <ng-container *ngTemplateOutlet="template; context: { $implicit: option }"></ng-container>
        </li>
    `,
                    host: {
                        class: 'p-element'
                    }
                }]
        }], propDecorators: { id: [{
                type: Input
            }], option: [{
                type: Input
            }], selected: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], focused: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], label: [{
                type: Input
            }], disabled: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], visible: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], itemSize: [{
                type: Input,
                args: [{ transform: numberAttribute }]
            }], ariaPosInset: [{
                type: Input
            }], ariaSetSize: [{
                type: Input
            }], template: [{
                type: Input
            }], checkmark: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], onClick: [{
                type: Output
            }], onMouseEnter: [{
                type: Output
            }] } });
/**
 * Dropdown also known as Select, is used to choose an item from a collection of options.
 * @group Components
 */
export class Dropdown {
    el;
    renderer;
    cd;
    zone;
    filterService;
    config;
    /**
     * Unique identifier of the component
     * @group Props
     */
    id;
    /**
     * Height of the viewport in pixels, a scrollbar is defined if height of list exceeds this value.
     * @group Props
     */
    scrollHeight = '200px';
    /**
     * When specified, displays an input field to filter the items on keyup.
     * @group Props
     */
    filter;
    /**
     * Name of the input element.
     * @group Props
     */
    name;
    /**
     * Inline style of the element.
     * @group Props
     */
    style;
    /**
     * Inline style of the overlay panel element.
     * @group Props
     */
    panelStyle;
    /**
     * Style class of the element.
     * @group Props
     */
    styleClass;
    /**
     * Style class of the overlay panel element.
     * @group Props
     */
    panelStyleClass;
    /**
     * When present, it specifies that the component cannot be edited.
     * @group Props
     */
    readonly;
    /**
     * When present, it specifies that an input field must be filled out before submitting the form.
     * @group Props
     */
    required;
    /**
     * When present, custom value instead of predefined options can be entered using the editable input field.
     * @group Props
     */
    editable;
    /**
     * Target element to attach the overlay, valid values are "body" or a local ng-template variable of another element (note: use binding with brackets for template variables, e.g. [appendTo]="mydiv" for a div element having #mydiv as variable name).
     * @group Props
     */
    appendTo;
    /**
     * Index of the element in tabbing order.
     * @group Props
     */
    tabindex = 0;
    /**
     * Default text to display when no option is selected.
     * @group Props
     */
    set placeholder(val) {
        this._placeholder.set(val);
    }
    get placeholder() {
        return this._placeholder.asReadonly();
    }
    /**
     * Icon to display in loading state.
     * @group Props
     */
    loadingIcon;
    /**
     * Placeholder text to show when filter input is empty.
     * @group Props
     */
    filterPlaceholder;
    /**
     * Locale to use in filtering. The default locale is the host environment's current locale.
     * @group Props
     */
    filterLocale;
    /**
     * Specifies the input variant of the component.
     * @group Props
     */
    variant = 'outlined';
    /**
     * Identifier of the accessible input element.
     * @group Props
     */
    inputId;
    /**
     * A property to uniquely identify a value in options.
     * @group Props
     */
    dataKey;
    /**
     * When filtering is enabled, filterBy decides which field or fields (comma separated) to search against.
     * @group Props
     */
    filterBy;
    /**
     * Fields used when filtering the options, defaults to optionLabel.
     * @group Props
     */
    filterFields;
    /**
     * When present, it specifies that the component should automatically get focus on load.
     * @group Props
     */
    autofocus;
    /**
     * Clears the filter value when hiding the dropdown.
     * @group Props
     */
    resetFilterOnHide = false;
    /**
     * Whether the selected option will be shown with a check mark.
     * @group Props
     */
    checkmark = false;
    /**
     * Icon class of the dropdown icon.
     * @group Props
     */
    dropdownIcon;
    /**
     * Whether the dropdown is in loading state.
     * @group Props
     */
    loading = false;
    /**
     * Name of the label field of an option.
     * @group Props
     */
    optionLabel;
    /**
     * Name of the value field of an option.
     * @group Props
     */
    optionValue;
    /**
     * Name of the disabled field of an option.
     * @group Props
     */
    optionDisabled;
    /**
     * Name of the label field of an option group.
     * @group Props
     */
    optionGroupLabel = 'label';
    /**
     * Name of the options field of an option group.
     * @group Props
     */
    optionGroupChildren = 'items';
    /**
     * Whether to display the first item as the label if no placeholder is defined and value is null.
     * @deprecated since v17.3.0, set initial value by model instead.
     * @group Props
     */
    autoDisplayFirst = true;
    /**
     * Whether to display options as grouped when nested options are provided.
     * @group Props
     */
    group;
    /**
     * When enabled, a clear icon is displayed to clear the value.
     * @group Props
     */
    showClear;
    /**
     * Text to display when filtering does not return any results. Defaults to global value in i18n translation configuration.
     * @group Props
     */
    emptyFilterMessage = '';
    /**
     * Text to display when there is no data. Defaults to global value in i18n translation configuration.
     * @group Props
     */
    emptyMessage = '';
    /**
     * Defines if data is loaded and interacted with in lazy manner.
     * @group Props
     */
    lazy = false;
    /**
     * Whether the data should be loaded on demand during scroll.
     * @group Props
     */
    virtualScroll;
    /**
     * Height of an item in the list for VirtualScrolling.
     * @group Props
     */
    virtualScrollItemSize;
    /**
     * Whether to use the scroller feature. The properties of scroller component can be used like an object in it.
     * @group Props
     */
    virtualScrollOptions;
    /**
     * Whether to use overlay API feature. The properties of overlay API can be used like an object in it.
     * @group Props
     */
    overlayOptions;
    /**
     * Defines a string that labels the filter input.
     * @group Props
     */
    ariaFilterLabel;
    /**
     * Used to define a aria label attribute the current element.
     * @group Props
     */
    ariaLabel;
    /**
     * Establishes relationships between the component and label(s) where its value should be one or more element IDs.
     * @group Props
     */
    ariaLabelledBy;
    /**
     * Defines how the items are filtered.
     * @group Props
     */
    filterMatchMode = 'contains';
    /**
     * Maximum number of character allows in the editable input field.
     * @group Props
     */
    maxlength;
    /**
     * Advisory information to display in a tooltip on hover.
     * @group Props
     */
    tooltip = '';
    /**
     * Position of the tooltip.
     * @group Props
     */
    tooltipPosition = 'right';
    /**
     * Type of CSS position.
     * @group Props
     */
    tooltipPositionStyle = 'absolute';
    /**
     * Style class of the tooltip.
     * @group Props
     */
    tooltipStyleClass;
    /**
     * Fields used when filtering the options, defaults to optionLabel.
     * @group Props
     */
    focusOnHover = false;
    /**
     * Determines if the option will be selected on focus.
     * @group Props
     */
    selectOnFocus = false;
    /**
     * Whether to focus on the first visible or selected element when the overlay panel is shown.
     * @group Props
     */
    autoOptionFocus = true;
    /**
     * Applies focus to the filter element when the overlay is shown.
     * @group Props
     */
    autofocusFilter = true;
    /**
     * When present, it specifies that the component should be disabled.
     * @group Props
     */
    get disabled() {
        return this._disabled;
    }
    set disabled(_disabled) {
        if (_disabled) {
            this.focused = false;
            if (this.overlayVisible)
                this.hide();
        }
        this._disabled = _disabled;
        if (!this.cd.destroyed) {
            this.cd.detectChanges();
        }
    }
    /**
     * Item size of item to be virtual scrolled.
     * @group Props
     * @deprecated use virtualScrollItemSize property instead.
     */
    get itemSize() {
        return this._itemSize;
    }
    set itemSize(val) {
        this._itemSize = val;
        console.warn('The itemSize property is deprecated, use virtualScrollItemSize property instead.');
    }
    _itemSize;
    /**
     * Whether to automatically manage layering.
     * @group Props
     * @deprecated since v14.2.0, use overlayOptions property instead.
     */
    get autoZIndex() {
        return this._autoZIndex;
    }
    set autoZIndex(val) {
        this._autoZIndex = val;
        console.warn('The autoZIndex property is deprecated since v14.2.0, use overlayOptions property instead.');
    }
    _autoZIndex;
    /**
     * Base zIndex value to use in layering.
     * @group Props
     * @deprecated since v14.2.0, use overlayOptions property instead.
     */
    get baseZIndex() {
        return this._baseZIndex;
    }
    set baseZIndex(val) {
        this._baseZIndex = val;
        console.warn('The baseZIndex property is deprecated since v14.2.0, use overlayOptions property instead.');
    }
    _baseZIndex;
    /**
     * Transition options of the show animation.
     * @group Props
     * @deprecated since v14.2.0, use overlayOptions property instead.
     */
    get showTransitionOptions() {
        return this._showTransitionOptions;
    }
    set showTransitionOptions(val) {
        this._showTransitionOptions = val;
        console.warn('The showTransitionOptions property is deprecated since v14.2.0, use overlayOptions property instead.');
    }
    _showTransitionOptions;
    /**
     * Transition options of the hide animation.
     * @group Props
     * @deprecated since v14.2.0, use overlayOptions property instead.
     */
    get hideTransitionOptions() {
        return this._hideTransitionOptions;
    }
    set hideTransitionOptions(val) {
        this._hideTransitionOptions = val;
        console.warn('The hideTransitionOptions property is deprecated since v14.2.0, use overlayOptions property instead.');
    }
    _hideTransitionOptions;
    /**
     * When specified, filter displays with this value.
     * @group Props
     */
    get filterValue() {
        return this._filterValue();
    }
    set filterValue(val) {
        setTimeout(() => {
            this._filterValue.set(val);
        });
    }
    /**
     * An array of objects to display as the available options.
     * @group Props
     */
    get options() {
        const options = this._options();
        return options;
    }
    set options(val) {
        if (!ObjectUtils.deepEquals(val, this._options())) {
            this._options.set(val);
        }
    }
    /**
     * Callback to invoke when value of dropdown changes.
     * @param {DropdownChangeEvent} event - custom change event.
     * @group Emits
     */
    onChange = new EventEmitter();
    /**
     * Callback to invoke when data is filtered.
     * @param {DropdownFilterEvent} event - custom filter event.
     * @group Emits
     */
    onFilter = new EventEmitter();
    /**
     * Callback to invoke when dropdown gets focus.
     * @param {Event} event - Browser event.
     * @group Emits
     */
    onFocus = new EventEmitter();
    /**
     * Callback to invoke when dropdown loses focus.
     * @param {Event} event - Browser event.
     * @group Emits
     */
    onBlur = new EventEmitter();
    /**
     * Callback to invoke when component is clicked.
     * @param {MouseEvent} event - Mouse event.
     * @group Emits
     */
    onClick = new EventEmitter();
    /**
     * Callback to invoke when dropdown overlay gets visible.
     * @param {AnimationEvent} event - Animation event.
     * @group Emits
     */
    onShow = new EventEmitter();
    /**
     * Callback to invoke when dropdown overlay gets hidden.
     * @param {AnimationEvent} event - Animation event.
     * @group Emits
     */
    onHide = new EventEmitter();
    /**
     * Callback to invoke when dropdown clears the value.
     * @param {Event} event - Browser event.
     * @group Emits
     */
    onClear = new EventEmitter();
    /**
     * Callback to invoke in lazy mode to load new data.
     * @param {DropdownLazyLoadEvent} event - Lazy load event.
     * @group Emits
     */
    onLazyLoad = new EventEmitter();
    containerViewChild;
    filterViewChild;
    focusInputViewChild;
    editableInputViewChild;
    itemsViewChild;
    scroller;
    overlayViewChild;
    firstHiddenFocusableElementOnOverlay;
    lastHiddenFocusableElementOnOverlay;
    templates;
    _disabled;
    itemsWrapper;
    itemTemplate;
    groupTemplate;
    loaderTemplate;
    selectedItemTemplate;
    headerTemplate;
    filterTemplate;
    footerTemplate;
    emptyFilterTemplate;
    emptyTemplate;
    dropdownIconTemplate;
    loadingIconTemplate;
    clearIconTemplate;
    filterIconTemplate;
    filterOptions;
    _options = signal(null);
    _placeholder = signal(undefined);
    modelValue = signal(null);
    value;
    onModelChange = () => { };
    onModelTouched = () => { };
    hover;
    focused;
    overlayVisible;
    optionsChanged;
    panel;
    dimensionsUpdated;
    hoveredItem;
    selectedOptionUpdated;
    _filterValue = signal(null);
    searchValue;
    searchIndex;
    searchTimeout;
    previousSearchChar;
    currentSearchChar;
    preventModelTouched;
    focusedOptionIndex = signal(-1);
    labelId;
    listId;
    clicked = signal(false);
    get emptyMessageLabel() {
        return this.emptyMessage || this.config.getTranslation(TranslationKeys.EMPTY_MESSAGE);
    }
    get emptyFilterMessageLabel() {
        return this.emptyFilterMessage || this.config.getTranslation(TranslationKeys.EMPTY_FILTER_MESSAGE);
    }
    get isVisibleClearIcon() {
        return this.modelValue() != null && this.hasSelectedOption() && this.showClear && !this.disabled;
    }
    get listLabel() {
        return this.config.getTranslation(TranslationKeys.ARIA)['listLabel'];
    }
    get containerClass() {
        return {
            'p-dropdown p-component p-inputwrapper': true,
            'p-disabled': this.disabled,
            'p-dropdown-clearable': this.showClear && !this.disabled,
            'p-focus': this.focused,
            'p-inputwrapper-filled': this.modelValue() !== undefined && this.modelValue() !== null && !this.modelValue().length,
            'p-inputwrapper-focus': this.focused || this.overlayVisible,
            'p-variant-filled': this.variant === 'filled' || this.config.inputStyle() === 'filled'
        };
    }
    get inputClass() {
        const label = this.label();
        return {
            'p-dropdown-label p-inputtext': true,
            'p-placeholder': this.placeholder() && label === this.placeholder(),
            'p-dropdown-label-empty': !this.editable && !this.selectedItemTemplate && (label === undefined || label === null || label === 'p-emptylabel' || label.length === 0)
        };
    }
    get panelClass() {
        return {
            'p-dropdown-panel p-component': true,
            'p-input-filled': this.config.inputStyle() === 'filled',
            'p-ripple-disabled': this.config.ripple === false
        };
    }
    get focusedOptionId() {
        return this.focusedOptionIndex() !== -1 ? `${this.id}_${this.focusedOptionIndex()}` : null;
    }
    visibleOptions = computed(() => {
        const options = this.getAllVisibleAndNonVisibleOptions();
        if (this._filterValue()) {
            const _filterBy = this.filterBy || this.optionLabel;
            const filteredOptions = !_filterBy && !this.filterFields && !this.optionValue
                ? this.options.filter((option) => {
                    if (option.label) {
                        return option.label.toString().toLowerCase().indexOf(this._filterValue().toLowerCase().trim()) !== -1;
                    }
                    return option.toString().toLowerCase().indexOf(this._filterValue().toLowerCase().trim()) !== -1;
                })
                : this.filterService.filter(options, this.searchFields(), this._filterValue().trim(), this.filterMatchMode, this.filterLocale);
            if (this.group) {
                const optionGroups = this.options || [];
                const filtered = [];
                optionGroups.forEach((group) => {
                    const groupChildren = this.getOptionGroupChildren(group);
                    const filteredItems = groupChildren.filter((item) => filteredOptions.includes(item));
                    if (filteredItems.length > 0)
                        filtered.push({ ...group, [typeof this.optionGroupChildren === 'string' ? this.optionGroupChildren : 'items']: [...filteredItems] });
                });
                return this.flatOptions(filtered);
            }
            return filteredOptions;
        }
        return options;
    });
    label = computed(() => {
        // use  getAllVisibleAndNonVisibleOptions verses just visible options
        // this will find the selected option whether or not the user is currently filtering  because the filtered (i.e. visible) options, are a subset of all the options
        const options = this.getAllVisibleAndNonVisibleOptions();
        // use isOptionEqualsModelValue for the use case where the dropdown is initalized with a disabled option
        const selectedOptionIndex = options.findIndex((option) => this.isOptionValueEqualsModelValue(option));
        return selectedOptionIndex !== -1 ? this.getOptionLabel(options[selectedOptionIndex]) : this.placeholder() || 'p-emptylabel';
    });
    filled = computed(() => {
        if (typeof this.modelValue() === 'string')
            return !!this.modelValue();
        return this.label() !== 'p-emptylabel' && this.modelValue() !== undefined && this.modelValue() !== null;
    });
    selectedOption;
    editableInputValue = computed(() => this.getOptionLabel(this.selectedOption) || this.modelValue() || '');
    constructor(el, renderer, cd, zone, filterService, config) {
        this.el = el;
        this.renderer = renderer;
        this.cd = cd;
        this.zone = zone;
        this.filterService = filterService;
        this.config = config;
        effect(() => {
            const modelValue = this.modelValue();
            const visibleOptions = this.visibleOptions();
            if (visibleOptions && ObjectUtils.isNotEmpty(visibleOptions)) {
                const selectedOptionIndex = this.findSelectedOptionIndex();
                if (selectedOptionIndex !== -1 || modelValue === undefined || (typeof modelValue === 'string' && modelValue.length === 0) || this.isModelValueNotSet() || this.editable) {
                    this.selectedOption = visibleOptions[selectedOptionIndex];
                }
            }
            if (ObjectUtils.isEmpty(visibleOptions) && (modelValue === undefined || this.isModelValueNotSet()) && ObjectUtils.isNotEmpty(this.selectedOption)) {
                this.selectedOption = null;
            }
            if (modelValue !== undefined && this.editable) {
                this.updateEditableLabel();
            }
            this.cd.markForCheck();
        });
    }
    isModelValueNotSet() {
        return this.modelValue() === null && !this.isOptionValueEqualsModelValue(this.selectedOption);
    }
    getAllVisibleAndNonVisibleOptions() {
        return this.group ? this.flatOptions(this.options) : this.options || [];
    }
    ngOnInit() {
        this.id = this.id || UniqueComponentId();
        this.autoUpdateModel();
        if (this.filterBy) {
            this.filterOptions = {
                filter: (value) => this.onFilterInputChange(value),
                reset: () => this.resetFilter()
            };
        }
    }
    ngAfterViewChecked() {
        if (this.optionsChanged && this.overlayVisible) {
            this.optionsChanged = false;
            this.zone.runOutsideAngular(() => {
                setTimeout(() => {
                    if (this.overlayViewChild) {
                        this.overlayViewChild.alignOverlay();
                    }
                }, 1);
            });
        }
        if (this.selectedOptionUpdated && this.itemsWrapper) {
            let selectedItem = DomHandler.findSingle(this.overlayViewChild?.overlayViewChild?.nativeElement, 'li.p-highlight');
            if (selectedItem) {
                DomHandler.scrollInView(this.itemsWrapper, selectedItem);
            }
            this.selectedOptionUpdated = false;
        }
    }
    ngAfterContentInit() {
        this.templates.forEach((item) => {
            switch (item.getType()) {
                case 'item':
                    this.itemTemplate = item.template;
                    break;
                case 'selectedItem':
                    this.selectedItemTemplate = 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 'emptyfilter':
                    this.emptyFilterTemplate = item.template;
                    break;
                case 'empty':
                    this.emptyTemplate = item.template;
                    break;
                case 'group':
                    this.groupTemplate = item.template;
                    break;
                case 'loader':
                    this.loaderTemplate = item.template;
                    break;
                case 'dropdownicon':
                    this.dropdownIconTemplate = item.template;
                    break;
                case 'loadingicon':
                    this.loadingIconTemplate = item.template;
                    break;
                case 'clearicon':
                    this.clearIconTemplate = item.template;
                    break;
                case 'filtericon':
                    this.filterIconTemplate = item.template;
                    break;
                default:
                    this.itemTemplate = item.template;
                    break;
            }
        });
    }
    flatOptions(options) {
        return (options || []).reduce((result, option, index) => {
            result.push({ optionGroup: option, group: true, index });
            const optionGroupChildren = this.getOptionGroupChildren(option);
            optionGroupChildren && optionGroupChildren.forEach((o) => result.push(o));
            return result;
        }, []);
    }
    autoUpdateModel() {
        if (this.selectOnFocus && this.autoOptionFocus && !this.hasSelectedOption()) {
            this.focusedOptionIndex.set(this.findFirstFocusedOptionIndex());
            this.onOptionSelect(null, this.visibleOptions()[this.focusedOptionIndex()], false);
        }
        if (this.autoDisplayFirst && (this.modelValue() === null || this.modelValue() === undefined)) {
            if (!this.placeholder()) {
                const ind = this.findFirstOptionIndex();
                this.onOptionSelect(null, this.visibleOptions()[ind], false, true);
            }
        }
    }
    onOptionSelect(event, option, isHide = true, preventChange = false) {
        if (!this.isSelected(option)) {
            const value = this.getOptionValue(option);
            this.updateModel(value, event);
            this.focusedOptionIndex.set(this.findSelectedOptionIndex());
            preventChange === false && this.onChange.emit({ originalEvent: event, value: value });
        }
        if (isHide) {
            this.hide(true);
        }
    }
    onOptionMouseEnter(event, index) {
        if (this.focusOnHover) {
            this.changeFocusedOptionIndex(event, index);
        }
    }
    updateModel(value, event) {
        this.value = value;
        this.onModelChange(value);
        this.modelValue.set(value);
        this.selectedOptionUpdated = true;
    }
    writeValue(value) {
        if (this.filter) {
            this.resetFilter();
        }
        this.value = value;
        this.allowModelChange() && this.onModelChange(value);
        this.modelValue.set(this.value);
        this.updateEditableLabel();
        this.cd.markForCheck();
    }
    allowModelChange() {
        return this.autoDisplayFirst && !this.placeholder() && (this.modelValue() === undefined || this.modelValue() === null) && !this.editable && this.options && this.options.length;
    }
    isSelected(option) {
        return this.isValidOption(option) && this.isOptionValueEqualsModelValue(option);
    }
    isOptionValueEqualsModelValue(option) {
        return ObjectUtils.equals(this.modelValue(), this.getOptionValue(option), this.equalityKey());
    }
    ngAfterViewInit() {
        if (this.editable) {
            this.updateEditableLabel();
        }
        this.updatePlaceHolderForFloatingLabel();
    }
    updatePlaceHolderForFloatingLabel() {
        const parentElement = this.el.nativeElement.parentElement;
        const isInFloatingLabel = parentElement.classList.contains('p-float-label');
        if (parentElement && isInFloatingLabel && !this.selectedOption) {
            const label = parentElement.querySelector('label');
            if (label) {
                this._placeholder.set(label.textContent);
            }
        }
    }
    updateEditableLabel() {
        if (this.editableInputViewChild) {
            this.editableInputViewChild.nativeElement.value = this.getOptionLabel(this.selectedOption) || this.modelValue() || '';
        }
    }
    clearEditableLabel() {
        if (this.editableInputViewChild) {
            this.editableInputViewChild.nativeElement.value = '';
        }
    }
    getOptionIndex(index, scrollerOptions) {
        return this.virtualScrollerDisabled ? index : scrollerOptions && scrollerOptions.getItemOptions(index)['index'];
    }
    getOptionLabel(option) {
        return this.optionLabel !== undefined && this.optionLabel !== null ? ObjectUtils.resolveFieldData(option, this.optionLabel) : option && option.label !== undefined ? option.label : option;
    }
    getOptionValue(option) {
        return this.optionValue && this.optionValue !== null ? ObjectUtils.resolveFieldData(option, this.optionValue) : !this.optionLabel && option && option.value !== undefined ? option.value : option;
    }
    isOptionDisabled(option) {
        if (this.getOptionValue(this.modelValue()) === this.getOptionValue(option) || (this.getOptionLabel(this.modelValue() === this.getOptionLabel(option)) && option.disabled === false)) {
            return false;
        }
        else {
            return this.optionDisabled ? ObjectUtils.resolveFieldData(option, this.optionDisabled) : option && option.disabled !== undefined ? option.disabled : false;
        }
    }
    getOptionGroupLabel(optionGroup) {
        return this.optionGroupLabel !== undefined && this.optionGroupLabel !== null ? ObjectUtils.resolveFieldData(optionGroup, this.optionGroupLabel) : optionGroup && optionGroup.label !== undefined ? optionGroup.label : optionGroup;
    }
    getOptionGroupChildren(optionGroup) {
        return this.optionGroupChildren !== undefined && this.optionGroupChildren !== null ? ObjectUtils.resolveFieldData(optionGroup, this.optionGroupChildren) : optionGroup.items;
    }
    getAriaPosInset(index) {
        return ((this.optionGroupLabel
            ? index -
                this.visibleOptions()
                    .slice(0, index)
                    .filter((option) => this.isOptionGroup(option)).length
            : index) + 1);
    }
    get ariaSetSize() {
        return this.visibleOptions().filter((option) => !this.isOptionGroup(option)).length;
    }
    /**
     * Callback to invoke on filter reset.
     * @group Method
     */
    resetFilter() {
        this._filterValue.set(null);
        if (this.filterViewChild && this.filterViewChild.nativeElement) {
            this.filterViewChild.nativeElement.value = '';
        }
    }
    registerOnChange(fn) {
        this.onModelChange = fn;
    }
    registerOnTouched(fn) {
        this.onModelTouched = fn;
    }
    setDisabledState(val) {
        this.disabled = val;
        this.cd.markForCheck();
    }
    onContainerClick(event) {
        if (this.disabled || this.readonly || this.loading) {
            return;
        }
        this.focusInputViewChild?.nativeElement.focus({ preventScroll: true });
        if (event.target.tagName === 'INPUT' || event.target.getAttribute('data-pc-section') === 'clearicon' || event.target.closest('[data-pc-section="clearicon"]')) {
            return;
        }
        else if (!this.overlayViewChild || !this.overlayViewChild.el.nativeElement.contains(event.target)) {
            this.overlayVisible ? this.hide(true) : this.show(true);
        }
        this.onClick.emit(event);
        this.clicked.set(true);
        this.cd.detectChanges();
    }
    isEmpty() {
        return !this._options() || (this.visibleOptions() && this.visibleOptions().length === 0);
    }
    onEditableInput(event) {
        const value = event.target.value;
        this.searchValue = '';
        const matched = this.searchOptions(event, value);
        !matched && this.focusedOptionIndex.set(-1);
        this.onModelChange(value);
        this.updateModel(value, event);
        setTimeout(() => {
            this.onChange.emit({ originalEvent: event, value: value });
        }, 1);
        !this.overlayVisible && ObjectUtils.isNotEmpty(value) && this.show();
    }
    /**
     * Displays the panel.
     * @group Method
     */
    show(isFocus) {
        this.overlayVisible = true;
        const focusedOptionIndex = this.focusedOptionIndex() !== -1 ? this.focusedOptionIndex() : this.autoOptionFocus ? this.findFirstFocusedOptionIndex() : this.editable ? -1 : this.findSelectedOptionIndex();
        this.focusedOptionIndex.set(focusedOptionIndex);
        if (isFocus) {
            DomHandler.focus(this.focusInputViewChild?.nativeElement);
        }
        this.cd.markForCheck();
    }
    onOverlayAnimationStart(event) {
        if (event.toState === 'visible') {
            this.itemsWrapper = DomHandler.findSingle(this.overlayViewChild?.overlayViewChild?.nativeElement, this.virtualScroll ? '.p-scroller' : '.p-dropdown-items-wrapper');
            this.virtualScroll && this.scroller?.setContentEl(this.itemsViewChild?.nativeElement);
            if (this.options && this.options.length) {
                if (this.virtualScroll) {
                    const selectedIndex = this.modelValue() ? this.focusedOptionIndex() : -1;
                    if (selectedIndex !== -1) {
                        this.scroller?.scrollToIndex(selectedIndex);
                    }
                }
                else {
                    let selectedListItem = DomHandler.findSingle(this.itemsWrapper, '.p-dropdown-item.p-highlight');
                    if (selectedListItem) {
                        selectedListItem.scrollIntoView({ block: 'nearest', inline: 'nearest' });
                    }
                }
            }
            if (this.filterViewChild && this.filterViewChild.nativeElement) {
                this.preventModelTouched = true;
                if (this.autofocusFilter && !this.editable) {
                    this.filterViewChild.nativeElement.focus();
                }
            }
            this.onShow.emit(event);
        }
        if (event.toState === 'void') {
            this.itemsWrapper = null;
            this.onModelTouched();
            this.onHide.emit(event);
        }
    }
    /**
     * Hides the panel.
     * @group Method
     */
    hide(isFocus) {
        this.overlayVisible = false;
        this.focusedOptionIndex.set(-1);
        this.clicked.set(false);
        this.searchValue = '';
        if (this.overlayOptions?.mode === 'modal') {
            DomHandler.unblockBodyScroll();
        }
        if (this.filter && this.resetFilterOnHide) {
            this.resetFilter();
        }
        if (isFocus) {
            if (this.focusInputViewChild) {
                DomHandler.focus(this.focusInputViewChild?.nativeElement);
            }
            if (this.editable && this.editableInputViewChild) {
                DomHandler.focus(this.editableInputViewChild?.nativeElement);
            }
        }
        this.cd.markForCheck();
    }
    onInputFocus(event) {
        if (this.disabled) {
            // For ScreenReaders
            return;
        }
        this.focused = true;
        const focusedOptionIndex = this.focusedOptionIndex() !== -1 ? this.focusedOptionIndex() : this.overlayVisible && this.autoOptionFocus ? this.findFirstFocusedOptionIndex() : -1;
        this.focusedOptionIndex.set(focusedOptionIndex);
        this.overlayVisible && this.scrollInView(this.focusedOptionIndex());
        this.onFocus.emit(event);
    }
    onInputBlur(event) {
        this.focused = false;
        this.onBlur.emit(event);
        if (!this.preventModelTouched) {
            this.onModelTouched();
        }
        this.preventModelTouched = false;
    }
    onKeyDown(event, search) {
        if (this.disabled || this.readonly || this.loading) {
            return;
        }
        switch (event.code) {
            //down
            case 'ArrowDown':
                this.onArrowDownKey(event);
                break;
            //up
            case 'ArrowUp':
                this.onArrowUpKey(event, this.editable);
                break;
            case 'ArrowLeft':
            case 'ArrowRight':
                this.onArrowLeftKey(event, this.editable);
                break;
            case 'Delete':
                this.onDeleteKey(event);
                break;
            case 'Home':
                this.onHomeKey(event, this.editable);
                break;
            case 'End':
                this.onEndKey(event, this.editable);
                break;
            case 'PageDown':
                this.onPageDownKey(event);
                break;
            case 'PageUp':
                this.onPageUpKey(event);
                break;
            //space
            case 'Space':
                this.onSpaceKey(event, search);
                break;
            //enter
            case 'Enter':
            case 'NumpadEnter':
                this.onEnterKey(event);
                break;
            //escape and tab
            case 'Escape':
                this.onEscapeKey(event);
                break;
            case 'Tab':
                this.onTabKey(event);
                break;
            case 'Backspace':
                this.onBackspaceKey(event, this.editable);
                break;
            case 'ShiftLeft':
            case 'ShiftRight':
                //NOOP
                break;
            default:
                if (!event.metaKey && ObjectUtils.isPrintableCharacter(event.key)) {
                    !this.overlayVisible && this.show();
                    !this.editable && this.searchOptions(event, event.key);
                }
                break;
        }
        this.clicked.set(false);
    }
    onFilterKeyDown(event) {
        switch (event.code) {
            case 'ArrowDown':
                this.onArrowDownKey(event);
                break;
            case 'ArrowUp':
                this.onArrowUpKey(event, true);
                break;
            case 'ArrowLeft':
            case 'ArrowRight':
                this.onArrowLeftKey(event, true);
                break;
            case 'Home':
                this.onHomeKey(event, true);
                break;
            case 'End':
                this.onEndKey(event, true);
                break;
            case 'Enter':
            case 'NumpadEnter':
                this.onEnterKey(event, true);
                break;
            case 'Escape':
                this.onEscapeKey(event);
                break;
            case 'Tab':
                this.onTabKey(event, true);
                break;
            default:
                break;
        }
    }
    onFilterBlur(event) {
        this.focusedOptionIndex.set(-1);
    }
    onArrowDownKey(event) {
        if (!this.overlayVisible) {
            this.show();
            this.editable && this.changeFocusedOptionIndex(event, this.findSelectedOptionIndex());
        }
        else {
            const optionIndex = this.focusedOptionIndex() !== -1 ? this.findNextOptionIndex(this.focusedOptionIndex()) : this.clicked() ? this.findFirstOptionIndex() : this.findFirstFocusedOptionIndex();
            this.changeFocusedOptionIndex(event, optionIndex);
        }
        // const optionIndex = this.focusedOptionIndex() !== -1 ? this.findNextOptionIndex(this.focusedOptionIndex()) : this.findFirstFocusedOptionIndex();
        // this.changeFocusedOptionIndex(event, optionIndex);
        // !this.overlayVisible && this.show();
        event.preventDefault();
        event.stopPropagation();
    }
    changeFocusedOptionIndex(event, index) {
        if (this.focusedOptionIndex() !== index) {
            this.focusedOptionIndex.set(index);
            this.scrollInView();
            if (this.selectOnFocus) {
                const option = this.visibleOptions()[index];
                this.onOptionSelect(event, option, false);
            }
        }
    }
    get virtualScrollerDisabled() {
        return !this.virtualScroll;
    }
    scrollInView(index = -1) {
        const id = index !== -1 ? `${this.id}_${index}` : this.focusedOptionId;
        if (this.itemsViewChild && this.itemsViewChild.nativeElement) {
            const element = DomHandler.findSingle(this.itemsViewChild.nativeElement, `li[id="${id}"]`);
            if (element) {
                element.scrollIntoView && element.scrollIntoView({ block: 'nearest', inline: 'nearest' });
            }
            else if (!this.virtualScrollerDisabled) {
                setTimeout(() => {
                    this.virtualScroll && this.scroller?.scrollToIndex(index !== -1 ? index : this.focusedOptionIndex());
                }, 0);
            }
        }
    }
    hasSelectedOption() {
        return this.modelValue() !== undefined;
    }
    isValidSelectedOption(option) {
        return this.isValidOption(option) && this.isSelected(option);
    }
    equalityKey() {
        return this.optionValue ? null : this.dataKey;
    }
    findFirstFocusedOptionIndex() {
        const selectedIndex = this.findSelectedOptionIndex();
        return selectedIndex < 0 ? this.findFirstOptionIndex() : selectedIndex;
    }
    findFirstOptionIndex() {
        return this.visibleOptions().findIndex((option) => this.isValidOption(option));
    }
    findSelectedOptionIndex() {
        return this.hasSelectedOption() ? this.visibleOptions().findIndex((option) => this.isValidSelectedOption(option)) : -1;
    }
    findNextOptionIndex(index) {
        const matchedOptionIndex = index < this.visibleOptions().length - 1
            ? this.visibleOptions()
                .slice(index + 1)
                .findIndex((option) => this.isValidOption(option))
            : -1;
        return matchedOptionIndex > -1 ? matchedOptionIndex + index + 1 : index;
    }
    findPrevOptionIndex(index) {
        const matchedOptionIndex = index > 0 ? ObjectUtils.findLastIndex(this.visibleOptions().slice(0, index), (option) => this.isValidOption(option)) : -1;
        return matchedOptionIndex > -1 ? matchedOptionIndex : index;
    }
    findLastOptionIndex() {
        return ObjectUtils.findLastIndex(this.visibleOptions(), (option) => this.isValidOption(option));
    }
    findLastFocusedOptionIndex() {
        const selectedIndex = this.findSelectedOptionIndex();
        return selectedIndex < 0 ? this.findLastOptionIndex() : selectedIndex;
    }
    isValidOption(option) {
        return option !== undefined && option !== null && !(this.isOptionDisabled(option) || this.isOptionGroup(option));
    }
    isOptionGroup(option) {
        return this.optionGroupLabel !== undefined && this.optionGroupLabel !== null && option.optionGroup !== undefined && option.optionGroup !== null && option.group;
    }
    onArrowUpKey(event, pressedInInputText = false) {
        if (event.altKey && !pressedInInputText) {
            if (this.focusedOptionIndex() !== -1) {
                const option = this.visibleOptions()[this.focusedOptionIndex()];
                this.onOptionSelect(event, option);
            }
            this.overlayVisible && this.hide();
        }
        else {
            const optionIndex = this.focusedOptionIndex() !== -1 ? this.findPrevOptionIndex(this.focusedOptionIndex()) : this.clicked() ? this.findLastOptionIndex() : this.findLastFocusedOptionIndex();
            this.changeFocusedOptionIndex(event, optionIndex);
            !this.overlayVisible && this.show();
        }
        event.preventDefault();
        event.stopPropagation();
    }
    onArrowLeftKey(event, pressedInInputText = false) {
        pressedInInputText && this.focusedOptionIndex.set(-1);
    }
    onDeleteKey(event) {
        if (this.showClear) {
            this.clear(event);
            event.preventDefault();
        }
    }
    onHomeKey(event, pressedInInputText = false) {
        if (pressedInInputText) {
            const target = event.currentTarget;
            if (event.shiftKey) {
                target.setSelectionRange(0, target.value.length);
            }
            else {
                target.setSelectionRange(0, 0);
                this.focusedOptionIndex.set(-1);
            }
        }
        else {
            this.changeFocusedOptionIndex(event, this.findFirstOptionIndex());
            !this.overlayVisible && this.show();
        }
        event.preventDefault();
    }
    onEndKey(event, pressedInInputText = false) {
        if (pressedInInputText) {
            const target = event.currentTarget;
            if (event.shiftKey) {
                target.setSelectionRange(0, target.value.length);
            }
            else {
                const len = target.value.length;
                target.setSelectionRange(len, len);
                this.focusedOptionIndex.set(-1);
            }
        }
        else {
            this.changeFocusedOptionIndex(event, this.findLastOptionIndex());
            !this.overlayVisible && this.show();
        }
        event.preventDefault();
    }
    onPageDownKey(event) {
        this.scrollInView(this.visibleOptions().length - 1);
        event.preventDefault();
    }
    onPageUpKey(event) {
        this.scrollInView(0);
        event.preventDefault();
    }
    onSpaceKey(event, pressedInInputText = false) {
        !this.editable && !pressedInInputText && this.onEnterKey(event);
    }
    onEnterKey(event, pressedInInput = false) {
        if (!this.overlayVisible) {
            this.focusedOptionIndex.set(-1);
            this.onArrowDownKey(event);
        }
        else {
            if (this.focusedOptionIndex() !== -1) {
                const option = this.visibleOptions()[this.focusedOptionIndex()];
                this.onOptionSelect(event, option);
            }
            !pressedInInput && this.hide();
        }
        event.preventDefault();
    }
    onEscapeKey(event) {
        this.overlayVisible && this.hide(true);
        event.preventDefault();
    }
    onTabKey(event, pressedInInputText = false) {
        if (!pressedInInputText) {
            if (this.overlayVisible && this.hasFocusableElements()) {
                DomHandler.focus(event.shiftKey ? this.lastHiddenFocusableElementOnOverlay.nativeElement : this.firstHiddenFocusableElementOnOverlay.nativeElement);
                event.preventDefault();
            }
            else {
                if (this.focusedOptionIndex() !== -1 && this.overlayVisible) {
                    const option = this.visibleOptions()[this.focusedOptionIndex()];
                    this.onOptionSelect(event, option);
                }
                this.overlayVisible && this.hide(this.filter);
            }
        }
        event.stopPropagation();
    }
    onFirstHiddenFocus(event) {
        const focusableEl = event.relatedTarget === this.focusInputViewChild?.nativeElement ? DomHandler.getFirstFocusableElement(this.overlayViewChild.el?.nativeElement, ':not(.p-hidden-focusable)') : this.focusInputViewChild?.nativeElement;
        DomHandler.focus(focusableEl);
    }
    onLastHiddenFocus(event) {
        const focusableEl = event.relatedTarget === this.focusInputViewChild?.nativeElement
            ? DomHandler.getLastFocusableElement(this.overlayViewChild?.overlayViewChild?.nativeElement, ':not([data-p-hidden-focusable="true"])')
            : this.focusInputViewChild?.nativeElement;
        DomHandler.focus(focusableEl);
    }
    hasFocusableElements() {
        return DomHandler.getFocusableElements(this.overlayViewChild.overlayViewChild.nativeElement, ':not([data-p-hidden-focusable="true"])').length > 0;
    }
    onBackspaceKey(event, pressedInInputText = false) {
        if (pressedInInputText) {
            !this.overlayVisible && this.show();
        }
    }
    searchFields() {
        return this.filterBy?.split(',') || this.filterFields || [this.optionLabel];
    }
    searchOptions(event, char) {
        this.searchValue = (this.searchValue || '') + char;
        let optionIndex = -1;
        let matched = false;
        if (this.focusedOptionIndex() !== -1) {
            optionIndex = this.visibleOptions()
                .slice(this.focusedOptionIndex())
                .findIndex((option) => this.isOptionMatched(option));
            optionIndex =
                optionIndex === -1
                    ? this.visibleOptions()
                        .slice(0, this.focusedOptionIndex())
                        .findIndex((option) => this.isOptionMatched(option))
                    : optionIndex + this.focusedOptionIndex();
        }
        else {
            optionIndex = this.visibleOptions().findIndex((option) => this.isOptionMatched(option));
        }
        if (optionIndex !== -1) {
            matched = true;
        }
        if (optionIndex === -1 && this.focusedOptionIndex() === -1) {
            optionIndex = this.findFirstFocusedOptionIndex();
        }
        if (optionIndex !== -1) {
            this.changeFocusedOptionIndex(event, optionIndex);
        }
        if (this.searchTimeout) {
            clearTimeout(this.searchTimeout);
        }
        this.searchTimeout = setTimeout(() => {
            this.searchValue = '';
            this.searchTimeout = null;
        }, 500);
        return matched;
    }
    isOptionMatched(option) {
        return this.isValidOption(option) && this.getOptionLabel(option).toString().toLocaleLowerCase(this.filterLocale).startsWith(this.searchValue.toLocaleLowerCase(this.filterLocale));
    }
    onFilterInputChange(event) {
        let value = event.target.value;
        this._filterValue.set(value);
        this.focusedOptionIndex.set(-1);
        this.onFilter.emit({ originalEvent: event, filter: this._filterValue() });
        !this.virtualScrollerDisabled && this.scroller.scrollToIndex(0);
        setTimeout(() => {
            this.overlayViewChild.alignOverlay();
        });
        this.cd.markForCheck();
    }
    applyFocus() {
        if (this.editable)
            DomHandler.findSingle(this.el.nativeElement, '.p-dropdown-label.p-inputtext').focus();
        else
            DomHandler.focus(this.focusInputViewChild?.nativeElement);
    }
    /**
     * Applies focus.
     * @group Method
     */
    focus() {
        this.applyFocus();
    }
    /**
     * Clears the model.
     * @group Method
     */
    clear(event) {
        this.updateModel(null, event);
        this.clearEditableLabel();
        this.onModelTouched();
        this.onChange.emit({ originalEvent: event, value: this.value });
        this.onClear.emit(event);
        this.resetFilter();
    }
    static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: Dropdown, deps: [{ token: i0.ElementRef }, { token: i0.Renderer2 }, { token: i0.ChangeDetectorRef }, { token: i0.NgZone }, { token: i3.FilterService }, { token: i3.PrimeNGConfig }], target: i0.ɵɵFactoryTarget.Component });
    static ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "16.1.0", version: "17.3.7", type: Dropdown, selector: "p-dropdown", inputs: { id: "id", scrollHeight: "scrollHeight", filter: ["filter", "filter", booleanAttribute], name: "name", style: "style", panelStyle: "panelStyle", styleClass: "styleClass", panelStyleClass: "panelStyleClass", readonly: ["readonly", "readonly", booleanAttribute], required: ["required", "required", booleanAttribute], editable: ["editable", "editable", booleanAttribute], appendTo: "appendTo", tabindex: ["tabindex", "tabindex", numberAttribute], placeholder: "placeholder", loadingIcon: "loadingIcon", filterPlaceholder: "filterPlaceholder", filterLocale: "filterLocale", variant: "variant", inputId: "inputId", dataKey: "dataKey", filterBy: "filterBy", filterFields: "filterFields", autofocus: ["autofocus", "autofocus", booleanAttribute], resetFilterOnHide: ["resetFilterOnHide", "resetFilterOnHide", booleanAttribute], checkmark: ["checkmark", "checkmark", booleanAttribute], dropdownIcon: "dropdownIcon", loading: ["loading", "loading", booleanAttribute], optionLabel: "optionLabel", optionValue: "optionValue", optionDisabled: "optionDisabled", optionGroupLabel: "optionGroupLabel", optionGroupChildren: "optionGroupChildren", autoDisplayFirst: ["autoDisplayFirst", "autoDisplayFirst", booleanAttribute], group: ["group", "group", booleanAttribute], showClear: ["showClear", "showClear", booleanAttribute], emptyFilterMessage: "emptyFilterMessage", emptyMessage: "emptyMessage", lazy: ["lazy", "lazy", booleanAttribute], virtualScroll: ["virtualScroll", "virtualScroll", booleanAttribute], virtualScrollItemSize: ["virtualScrollItemSize", "virtualScrollItemSize", numberAttribute], virtualScrollOptions: "virtualScrollOptions", overlayOptions: "overlayOptions", ariaFilterLabel: "ariaFilterLabel", ariaLabel: "ariaLabel", ariaLabelledBy: "ariaLabelledBy", filterMatchMode: "filterMatchMode", maxlength: ["maxlength", "maxlength", numberAttribute], tooltip: "tooltip", tooltipPosition: "tooltipPosition", tooltipPositionStyle: "tooltipPositionStyle", tooltipStyleClass: "tooltipStyleClass", focusOnHover: ["focusOnHover", "focusOnHover", booleanAttribute], selectOnFocus: ["selectOnFocus", "selectOnFocus", booleanAttribute], autoOptionFocus: ["autoOptionFocus", "autoOptionFocus", booleanAttribute], autofocusFilter: ["autofocusFilter", "autofocusFilter", booleanAttribute], disabled: "disabled", itemSize: "itemSize", autoZIndex: "autoZIndex", baseZIndex: "baseZIndex", showTransitionOptions: "showTransitionOptions", hideTransitionOptions: "hideTransitionOptions", filterValue: "filterValue", options: "options" }, outputs: { onChange: "onChange", onFilter: "onFilter", onFocus: "onFocus", onBlur: "onBlur", onClick: "onClick", onShow: "onShow", onHide: "onHide", onClear: "onClear", onLazyLoad: "onLazyLoad" }, host: { properties: { "class.p-inputwrapper-filled": "filled()", "class.p-inputwrapper-focus": "focused || overlayVisible" }, classAttribute: "p-element p-inputwrapper" }, providers: [DROPDOWN_VALUE_ACCESSOR], queries: [{ propertyName: "templates", predicate: PrimeTemplate }], viewQueries: [{ propertyName: "containerViewChild", first: true, predicate: ["container"], descendants: true }, { propertyName: "filterViewChild", first: true, predicate: ["filter"], descendants: true }, { propertyName: "focusInputViewChild", first: true, predicate: ["focusInput"], descendants: true }, { propertyName: "editableInputViewChild", first: true, predicate: ["editableInput"], descendants: true }, { propertyName: "itemsViewChild", first: true, predicate: ["items"], descendants: true }, { propertyName: "scroller", first: true, predicate: ["scroller"], descendants: true }, { propertyName: "overlayViewChild", first: true, predicate: ["overlay"], descendants: true }, { propertyName: "firstHiddenFocusableElementOnOverlay", first: true, predicate: ["firstHiddenFocusableEl"], descendants: true }, { propertyName: "lastHiddenFocusableElementOnOverlay", first: true, predicate: ["lastHiddenFocusableEl"], descendants: true }], ngImport: i0, template: `
        <div #container [attr.id]="id" [ngClass]="containerClass" (click)="onContainerClick($event)" [ngStyle]="style" [class]="styleClass">
            <span
                #focusInput
                [ngClass]="inputClass"
                *ngIf="!editable"
                [pTooltip]="tooltip"
                [tooltipPosition]="tooltipPosition"
                [positionStyle]="tooltipPositionStyle"
                [tooltipStyleClass]="tooltipStyleClass"
                [attr.aria-disabled]="disabled"
                [attr.id]="inputId"
                role="combobox"
                [attr.aria-label]="ariaLabel || (label() === 'p-emptylabel' ? undefined : label())"
                [attr.aria-labelledby]="ariaLabelledBy"
                [attr.aria-haspopup]="'listbox'"
                [attr.aria-expanded]="overlayVisible ?? false"
                [attr.aria-controls]="overlayVisible ? id + '_list' : null"
                [attr.tabindex]="!disabled ? tabindex : -1"
                pAutoFocus
                [autofocus]="autofocus"
                [attr.aria-activedescendant]="focused ? focusedOptionId : undefined"
                (focus)="onInputFocus($event)"
                (blur)="onInputBlur($event)"
                (keydown)="onKeyDown($event)"
                [attr.aria-required]="required"
                [attr.required]="required"
            >
                <ng-container *ngIf="!selectedItemTemplate; else defaultPlaceholder">{{ label() === 'p-emptylabel' ? '&nbsp;' : label() }}</ng-container>
                <ng-container *ngIf="selectedItemTemplate && selectedOption" [ngTemplateOutlet]="selectedItemTemplate" [ngTemplateOutletContext]="{ $implicit: selectedOption }"></ng-container>
                <ng-template #defaultPlaceholder>
                    <span *ngIf="!selectedOption">{{ label() === 'p-emptylabel' ? '&nbsp;' : label() }}</span>
                </ng-template>
            </span>
            <input
                *ngIf="editable"
                #editableInput
                type="text"
                [attr.maxlength]="maxlength"
                [ngClass]="inputClass"
                [disabled]="disabled"
                aria-haspopup="listbox"
                [attr.placeholder]="modelValue() === undefined || modelValue() === null ? placeholder() : undefined"
                [attr.aria-label]="ariaLabel || (label() === 'p-emptylabel' ? undefined : label())"
                (input)="onEditableInput($event)"
                (keydown)="onKeyDown($event)"
                pAutoFocus
                [autofocus]="autofocus"
                [attr.aria-activedescendant]="focused ? focusedOptionId : undefined"
                (focus)="onInputFocus($event)"
                (blur)="onInputBlur($event)"
            />
            <ng-container *ngIf="isVisibleClearIcon">
                <TimesIcon [styleClass]="'p-dropdown-clear-icon'" (click)="clear($event)" *ngIf="!clearIconTemplate" [attr.data-pc-section]="'clearicon'" />
                <span class="p-dropdown-clear-icon" (click)="clear($event)" *ngIf="clearIconTemplate" [attr.data-pc-section]="'clearicon'">
                    <ng-template *ngTemplateOutlet="clearIconTemplate"></ng-template>
                </span>
            </ng-container>

            <div class="p-dropdown-trigger" role="button" aria-label="dropdown trigger" aria-haspopup="listbox" [attr.aria-expanded]="overlayVisible ?? false" [attr.data-pc-section]="'trigger'">
                <ng-container *ngIf="loading; else elseBlock">
                    <ng-container *ngIf="loadingIconTemplate">
                        <ng-container *ngTemplateOutlet="loadingIconTemplate"></ng-container>
                    </ng-container>
                    <ng-container *ngIf="!loadingIconTemplate">
                        <span *ngIf="loadingIcon" [ngClass]="'p-dropdown-trigger-icon pi-spin ' + loadingIcon" aria-hidden="true"></span>
                        <span *ngIf="!loadingIcon" [class]="'p-dropdown-trigger-icon pi pi-spinner pi-spin'" aria-hidden="true"></span>
                    </ng-container>
                </ng-container>

                <ng-template #elseBlock>
                    <ng-container *ngIf="!dropdownIconTemplate">
                        <span class="p-dropdown-trigger-icon" *ngIf="dropdownIcon" [ngClass]="dropdownIcon"></span>
                        <ChevronDownIcon *ngIf="!dropdownIcon" [styleClass]="'p-dropdown-trigger-icon'" />
                    </ng-container>
                    <span *ngIf="dropdownIconTemplate" class="p-dropdown-trigger-icon">
                        <ng-template *ngTemplateOutlet="dropdownIconTemplate"></ng-template>
                    </span>
                </ng-template>
            </div>

            <p-overlay
                #overlay
                [(visible)]="overlayVisible"
                [options]="overlayOptions"
                [target]="'@parent'"
                [appendTo]="appendTo"
                [autoZIndex]="autoZIndex"
                [baseZIndex]="baseZIndex"
                [showTransitionOptions]="showTransitionOptions"
                [hideTransitionOptions]="hideTransitionOptions"
                (onAnimationStart)="onOverlayAnimationStart($event)"
                (onHide)="hide()"
            >
                <ng-template pTemplate="content">
                    <div [ngClass]="'p-dropdown-panel p-component'" [ngStyle]="panelStyle" [class]="panelStyleClass">
                        <span
                            #firstHiddenFocusableEl
                            role="presentation"
                            class="p-hidden-accessible p-hidden-focusable"
                            [attr.tabindex]="0"
                            (focus)="onFirstHiddenFocus($event)"
                            [attr.data-p-hidden-accessible]="true"
                            [attr.data-p-hidden-focusable]="true"
                        >
                        </span>
                        <ng-container *ngTemplateOutlet="headerTemplate"></ng-container>
                        <div class="p-dropdown-header" *ngIf="filter" (click)="$event.stopPropagation()">
                            <ng-container *ngIf="filterTemplate; else builtInFilterElement">
                                <ng-container *ngTemplateOutlet="filterTemplate; context: { options: filterOptions }"></ng-container>
                            </ng-container>
                            <ng-template #builtInFilterElement>
                                <div class="p-dropdown-filter-container">
                                    <input
                                        #filter
                                        type="text"
                                        role="searchbox"
                                        autocomplete="off"
                                        [value]="_filterValue() || ''"
                                        class="p-dropdown-filter p-inputtext p-component"
                                        [ngClass]="{ 'p-variant-filled': variant === 'filled' || config.inputStyle() === 'filled' }"
                                        [attr.placeholder]="filterPlaceholder"
                                        [attr.aria-owns]="id + '_list'"
                                        (input)="onFilterInputChange($event)"
                                        [attr.aria-label]="ariaFilterLabel"
                                        [attr.aria-activedescendant]="focusedOptionId"
                                        (keydown)="onFilterKeyDown($event)"
                                        (blur)="onFilterBlur($event)"
                                    />
                                    <SearchIcon *ngIf="!filterIconTemplate" [styleClass]="'p-dropdown-filter-icon'" />
                                    <span *ngIf="filterIconTemplate" class="p-dropdown-filter-icon">
                                        <ng-template *ngTemplateOutlet="filterIconTemplate"></ng-template>
                                    </span>
                                </div>
                            </ng-template>
                        </div>
                        <div class="p-dropdown-items-wrapper" [style.max-height]="virtualScroll ? 'auto' : scrollHeight || 'auto'">
                            <p-scroller
                                *ngIf="virtualScroll"
                                #scroller
                                [items]="visibleOptions()"
                                [style]="{ height: scrollHeight }"
                                [itemSize]="virtualScrollItemSize || _itemSize"
                                [autoSize]="true"
                                [lazy]="lazy"
                                (onLazyLoad)="onLazyLoad.emit($event)"
                                [options]="virtualScrollOptions"
                            >
                                <ng-template pTemplate="content" let-items let-scrollerOptions="options">
                                    <ng-container *ngTemplateOutlet="buildInItems; context: { $implicit: items, options: scrollerOptions }"></ng-container>
                                </ng-template>
                                <ng-container *ngIf="loaderTemplate">
                                    <ng-template pTemplate="loader" let-scrollerOptions="options">
                                        <ng-container *ngTemplateOutlet="loaderTemplate; context: { options: scrollerOptions }"></ng-container>
                                    </ng-template>
                                </ng-container>
                            </p-scroller>
                            <ng-container *ngIf="!virtualScroll">
                                <ng-container *ngTemplateOutlet="buildInItems; context: { $implicit: visibleOptions(), options: {} }"></ng-container>
                            </ng-container>

                            <ng-template #buildInItems let-items let-scrollerOptions="options">
                                <ul #items [attr.id]="id + '_list'" [attr.aria-label]="listLabel" class="p-dropdown-items" [ngClass]="scrollerOptions.contentStyleClass" [style]="scrollerOptions.contentStyle" role="listbox">
                                    <ng-template ngFor let-option [ngForOf]="items" let-i="index">
                                        <ng-container *ngIf="isOptionGroup(option)">
                                            <li class="p-dropdown-item-group" [attr.id]="id + '_' + getOptionIndex(i, scrollerOptions)" [ngStyle]="{ height: scrollerOptions.itemSize + 'px' }" role="option">
                                                <span *ngIf="!groupTemplate">{{ getOptionGroupLabel(option.optionGroup) }}</span>
                                                <ng-container *ngTemplateOutlet="groupTemplate; context: { $implicit: option.optionGroup }"></ng-container>
                                            </li>
                                        </ng-container>
                                        <ng-container *ngIf="!isOptionGroup(option)">
                                            <p-dropdownItem
                                                [id]="id + '_' + getOptionIndex(i, scrollerOptions)"
                                                [option]="option"
                                                [checkmark]="checkmark"
                                                [selected]="isSelected(option)"
                                                [label]="getOptionLabel(option)"
                                                [disabled]="isOptionDisabled(option)"
                                                [template]="itemTemplate"
                                                [focused]="focusedOptionIndex() === getOptionIndex(i, scrollerOptions)"
                                                [ariaPosInset]="getAriaPosInset(getOptionIndex(i, scrollerOptions))"
                                                [ariaSetSize]="ariaSetSize"
                                                (onClick)="onOptionSelect($event, option)"
                                                (onMouseEnter)="onOptionMouseEnter($event, getOptionIndex(i, scrollerOptions))"
                                            ></p-dropdownItem>
                                        </ng-container>
                                    </ng-template>
                                    <li *ngIf="filterValue && isEmpty()" class="p-dropdown-empty-message" [ngStyle]="{ height: scrollerOptions.itemSize + 'px' }" role="option">
                                        <ng-container *ngIf="!emptyFilterTemplate && !emptyTemplate; else emptyFilter">
                                            {{ emptyFilterMessageLabel }}
                                        </ng-container>
                                        <ng-container #emptyFilter *ngTemplateOutlet="emptyFilterTemplate || emptyTemplate"></ng-container>
                                    </li>
                                    <li *ngIf="!filterValue && isEmpty()" class="p-dropdown-empty-message" [ngStyle]="{ height: scrollerOptions.itemSize + 'px' }" role="option">
                                        <ng-container *ngIf="!emptyTemplate; else empty">
                                            {{ emptyMessageLabel }}
                                        </ng-container>
                                        <ng-container #empty *ngTemplateOutlet="emptyTemplate"></ng-container>
                                    </li>
                                </ul>
                            </ng-template>
                        </div>
                        <ng-container *ngTemplateOutlet="footerTemplate"></ng-container>
                        <span
                            #lastHiddenFocusableEl
                            role="presentation"
                            class="p-hidden-accessible p-hidden-focusable"
                            [attr.tabindex]="0"
                            (focus)="onLastHiddenFocus($event)"
                            [attr.data-p-hidden-accessible]="true"
                            [attr.data-p-hidden-focusable]="true"
                        ></span>
                    </div>
                </ng-template>
            </p-overlay>
        </div>
    `, isInline: true, styles: ["@layer primeng{.p-dropdown{display:inline-flex;cursor:pointer;position:relative;-webkit-user-select:none;user-select:none}.p-dropdown-clear-icon{position:absolute;top:50%;margin-top:-.5rem}.p-dropdown-trigger{display:flex;align-items:center;justify-content:center;flex-shrink:0}.p-dropdown-label{display:block;white-space:nowrap;overflow:hidden;flex:1 1 auto;width:1%;text-overflow:ellipsis;cursor:pointer}.p-dropdown-label-empty{overflow:hidden;opacity:0}input.p-dropdown-label{cursor:default}.p-dropdown .p-dropdown-panel{min-width:100%}.p-dropdown-items-wrapper{overflow:auto}.p-dropdown-item{cursor:pointer;font-weight:400;white-space:nowrap;position:relative;overflow:hidden}.p-dropdown-item-group{cursor:auto}.p-dropdown-items{margin:0;padding:0;list-style-type:none}.p-dropdown-filter{width:100%}.p-dropdown-filter-container{position:relative}.p-dropdown-filter-icon{position:absolute;top:50%;margin-top:-.5rem}.p-fluid .p-dropdown{display:flex}.p-fluid .p-dropdown .p-dropdown-label{width:1%}.p-float-label .p-dropdown .p-placeholder{opacity:0}}\n"], dependencies: [{ kind: "directive", type: i0.forwardRef(() => i1.NgClass), selector: "[ngClass]", inputs: ["class", "ngClass"] }, { kind: "directive", type: i0.forwardRef(() => i1.NgForOf), selector: "[ngFor][ngForOf]", inputs: ["ngForOf", "ngForTrackBy", "ngForTemplate"] }, { kind: "directive", type: i0.forwardRef(() => i1.NgIf), selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { kind: "directive", type: i0.forwardRef(() => i1.NgTemplateOutlet), selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }, { kind: "directive", type: i0.forwardRef(() => i1.NgStyle), selector: "[ngStyle]", inputs: ["ngStyle"] }, { kind: "component", type: i0.forwardRef(() => i4.Overlay), selector: "p-overlay", inputs: ["visible", "mode", "style", "styleClass", "contentStyle", "contentStyleClass", "target", "appendTo", "autoZIndex", "baseZIndex", "showTransitionOptions", "hideTransitionOptions", "listener", "responsive", "options"], outputs: ["visibleChange", "onBeforeShow", "onShow", "onBeforeHide", "onHide", "onAnimationStart", "onAnimationDone"] }, { kind: "directive", type: i0.forwardRef(() => i3.PrimeTemplate), selector: "[pTemplate]", inputs: ["type", "pTemplate"] }, { kind: "directive", type: i0.forwardRef(() => i5.Tooltip), selector: "[pTooltip]", inputs: ["tooltipPosition", "tooltipEvent", "appendTo", "positionStyle", "tooltipStyleClass", "tooltipZIndex", "escape", "showDelay", "hideDelay", "life", "positionTop", "positionLeft", "autoHide", "fitContent", "hideOnEscape", "pTooltip", "tooltipDisabled", "tooltipOptions"] }, { kind: "component", type: i0.forwardRef(() => i6.Scroller), selector: "p-scroller", inputs: ["id", "style", "styleClass", "tabindex", "items", "itemSize", "scrollHeight", "scrollWidth", "orientation", "step", "delay", "resizeDelay", "appendOnly", "inline", "lazy", "disabled", "loaderDisabled", "columns", "showSpacer", "showLoader", "numToleratedItems", "loading", "autoSize", "trackBy", "options"], outputs: ["onLazyLoad", "onScroll", "onScrollIndexChange"] }, { kind: "directive", type: i0.forwardRef(() => i7.AutoFocus), selector: "[pAutoFocus]", inputs: ["autofocus"] }, { kind: "component", type: i0.forwardRef(() => TimesIcon), selector: "TimesIcon" }, { kind: "component", type: i0.forwardRef(() => ChevronDownIcon), selector: "ChevronDownIcon" }, { kind: "component", type: i0.forwardRef(() => SearchIcon), selector: "SearchIcon" }, { kind: "component", type: i0.forwardRef(() => DropdownItem), selector: "p-dropdownItem", inputs: ["id", "option", "selected", "focused", "label", "disabled", "visible", "itemSize", "ariaPosInset", "ariaSetSize", "template", "checkmark"], outputs: ["onClick", "onMouseEnter"] }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: Dropdown, decorators: [{
            type: Component,
            args: [{ selector: 'p-dropdown', template: `
        <div #container [attr.id]="id" [ngClass]="containerClass" (click)="onContainerClick($event)" [ngStyle]="style" [class]="styleClass">
            <span
                #focusInput
                [ngClass]="inputClass"
                *ngIf="!editable"
                [pTooltip]="tooltip"
                [tooltipPosition]="tooltipPosition"
                [positionStyle]="tooltipPositionStyle"
                [tooltipStyleClass]="tooltipStyleClass"
                [attr.aria-disabled]="disabled"
                [attr.id]="inputId"
                role="combobox"
                [attr.aria-label]="ariaLabel || (label() === 'p-emptylabel' ? undefined : label())"
                [attr.aria-labelledby]="ariaLabelledBy"
                [attr.aria-haspopup]="'listbox'"
                [attr.aria-expanded]="overlayVisible ?? false"
                [attr.aria-controls]="overlayVisible ? id + '_list' : null"
                [attr.tabindex]="!disabled ? tabindex : -1"
                pAutoFocus
                [autofocus]="autofocus"
                [attr.aria-activedescendant]="focused ? focusedOptionId : undefined"
                (focus)="onInputFocus($event)"
                (blur)="onInputBlur($event)"
                (keydown)="onKeyDown($event)"
                [attr.aria-required]="required"
                [attr.required]="required"
            >
                <ng-container *ngIf="!selectedItemTemplate; else defaultPlaceholder">{{ label() === 'p-emptylabel' ? '&nbsp;' : label() }}</ng-container>
                <ng-container *ngIf="selectedItemTemplate && selectedOption" [ngTemplateOutlet]="selectedItemTemplate" [ngTemplateOutletContext]="{ $implicit: selectedOption }"></ng-container>
                <ng-template #defaultPlaceholder>
                    <span *ngIf="!selectedOption">{{ label() === 'p-emptylabel' ? '&nbsp;' : label() }}</span>
                </ng-template>
            </span>
            <input
                *ngIf="editable"
                #editableInput
                type="text"
                [attr.maxlength]="maxlength"
                [ngClass]="inputClass"
                [disabled]="disabled"
                aria-haspopup="listbox"
                [attr.placeholder]="modelValue() === undefined || modelValue() === null ? placeholder() : undefined"
                [attr.aria-label]="ariaLabel || (label() === 'p-emptylabel' ? undefined : label())"
                (input)="onEditableInput($event)"
                (keydown)="onKeyDown($event)"
                pAutoFocus
                [autofocus]="autofocus"
                [attr.aria-activedescendant]="focused ? focusedOptionId : undefined"
                (focus)="onInputFocus($event)"
                (blur)="onInputBlur($event)"
            />
            <ng-container *ngIf="isVisibleClearIcon">
                <TimesIcon [styleClass]="'p-dropdown-clear-icon'" (click)="clear($event)" *ngIf="!clearIconTemplate" [attr.data-pc-section]="'clearicon'" />
                <span class="p-dropdown-clear-icon" (click)="clear($event)" *ngIf="clearIconTemplate" [attr.data-pc-section]="'clearicon'">
                    <ng-template *ngTemplateOutlet="clearIconTemplate"></ng-template>
                </span>
            </ng-container>

            <div class="p-dropdown-trigger" role="button" aria-label="dropdown trigger" aria-haspopup="listbox" [attr.aria-expanded]="overlayVisible ?? false" [attr.data-pc-section]="'trigger'">
                <ng-container *ngIf="loading; else elseBlock">
                    <ng-container *ngIf="loadingIconTemplate">
                        <ng-container *ngTemplateOutlet="loadingIconTemplate"></ng-container>
                    </ng-container>
                    <ng-container *ngIf="!loadingIconTemplate">
                        <span *ngIf="loadingIcon" [ngClass]="'p-dropdown-trigger-icon pi-spin ' + loadingIcon" aria-hidden="true"></span>
                        <span *ngIf="!loadingIcon" [class]="'p-dropdown-trigger-icon pi pi-spinner pi-spin'" aria-hidden="true"></span>
                    </ng-container>
                </ng-container>

                <ng-template #elseBlock>
                    <ng-container *ngIf="!dropdownIconTemplate">
                        <span class="p-dropdown-trigger-icon" *ngIf="dropdownIcon" [ngClass]="dropdownIcon"></span>
                        <ChevronDownIcon *ngIf="!dropdownIcon" [styleClass]="'p-dropdown-trigger-icon'" />
                    </ng-container>
                    <span *ngIf="dropdownIconTemplate" class="p-dropdown-trigger-icon">
                        <ng-template *ngTemplateOutlet="dropdownIconTemplate"></ng-template>
                    </span>
                </ng-template>
            </div>

            <p-overlay
                #overlay
                [(visible)]="overlayVisible"
                [options]="overlayOptions"
                [target]="'@parent'"
                [appendTo]="appendTo"
                [autoZIndex]="autoZIndex"
                [baseZIndex]="baseZIndex"
                [showTransitionOptions]="showTransitionOptions"
                [hideTransitionOptions]="hideTransitionOptions"
                (onAnimationStart)="onOverlayAnimationStart($event)"
                (onHide)="hide()"
            >
                <ng-template pTemplate="content">
                    <div [ngClass]="'p-dropdown-panel p-component'" [ngStyle]="panelStyle" [class]="panelStyleClass">
                        <span
                            #firstHiddenFocusableEl
                            role="presentation"
                            class="p-hidden-accessible p-hidden-focusable"
                            [attr.tabindex]="0"
                            (focus)="onFirstHiddenFocus($event)"
                            [attr.data-p-hidden-accessible]="true"
                            [attr.data-p-hidden-focusable]="true"
                        >
                        </span>
                        <ng-container *ngTemplateOutlet="headerTemplate"></ng-container>
                        <div class="p-dropdown-header" *ngIf="filter" (click)="$event.stopPropagation()">
                            <ng-container *ngIf="filterTemplate; else builtInFilterElement">
                                <ng-container *ngTemplateOutlet="filterTemplate; context: { options: filterOptions }"></ng-container>
                            </ng-container>
                            <ng-template #builtInFilterElement>
                                <div class="p-dropdown-filter-container">
                                    <input
                                        #filter
                                        type="text"
                                        role="searchbox"
                                        autocomplete="off"
                                        [value]="_filterValue() || ''"
                                        class="p-dropdown-filter p-inputtext p-component"
                                        [ngClass]="{ 'p-variant-filled': variant === 'filled' || config.inputStyle() === 'filled' }"
                                        [attr.placeholder]="filterPlaceholder"
                                        [attr.aria-owns]="id + '_list'"
                                        (input)="onFilterInputChange($event)"
                                        [attr.aria-label]="ariaFilterLabel"
                                        [attr.aria-activedescendant]="focusedOptionId"
                                        (keydown)="onFilterKeyDown($event)"
                                        (blur)="onFilterBlur($event)"
                                    />
                                    <SearchIcon *ngIf="!filterIconTemplate" [styleClass]="'p-dropdown-filter-icon'" />
                                    <span *ngIf="filterIconTemplate" class="p-dropdown-filter-icon">
                                        <ng-template *ngTemplateOutlet="filterIconTemplate"></ng-template>
                                    </span>
                                </div>
                            </ng-template>
                        </div>
                        <div class="p-dropdown-items-wrapper" [style.max-height]="virtualScroll ? 'auto' : scrollHeight || 'auto'">
                            <p-scroller
                                *ngIf="virtualScroll"
                                #scroller
                                [items]="visibleOptions()"
                                [style]="{ height: scrollHeight }"
                                [itemSize]="virtualScrollItemSize || _itemSize"
                                [autoSize]="true"
                                [lazy]="lazy"
                                (onLazyLoad)="onLazyLoad.emit($event)"
                                [options]="virtualScrollOptions"
                            >
                                <ng-template pTemplate="content" let-items let-scrollerOptions="options">
                                    <ng-container *ngTemplateOutlet="buildInItems; context: { $implicit: items, options: scrollerOptions }"></ng-container>
                                </ng-template>
                                <ng-container *ngIf="loaderTemplate">
                                    <ng-template pTemplate="loader" let-scrollerOptions="options">
                                        <ng-container *ngTemplateOutlet="loaderTemplate; context: { options: scrollerOptions }"></ng-container>
                                    </ng-template>
                                </ng-container>
                            </p-scroller>
                            <ng-container *ngIf="!virtualScroll">
                                <ng-container *ngTemplateOutlet="buildInItems; context: { $implicit: visibleOptions(), options: {} }"></ng-container>
                            </ng-container>

                            <ng-template #buildInItems let-items let-scrollerOptions="options">
                                <ul #items [attr.id]="id + '_list'" [attr.aria-label]="listLabel" class="p-dropdown-items" [ngClass]="scrollerOptions.contentStyleClass" [style]="scrollerOptions.contentStyle" role="listbox">
                                    <ng-template ngFor let-option [ngForOf]="items" let-i="index">
                                        <ng-container *ngIf="isOptionGroup(option)">
                                            <li class="p-dropdown-item-group" [attr.id]="id + '_' + getOptionIndex(i, scrollerOptions)" [ngStyle]="{ height: scrollerOptions.itemSize + 'px' }" role="option">
                                                <span *ngIf="!groupTemplate">{{ getOptionGroupLabel(option.optionGroup) }}</span>
                                                <ng-container *ngTemplateOutlet="groupTemplate; context: { $implicit: option.optionGroup }"></ng-container>
                                            </li>
                                        </ng-container>
                                        <ng-container *ngIf="!isOptionGroup(option)">
                                            <p-dropdownItem
                                                [id]="id + '_' + getOptionIndex(i, scrollerOptions)"
                                                [option]="option"
                                                [checkmark]="checkmark"
                                                [selected]="isSelected(option)"
                                                [label]="getOptionLabel(option)"
                                                [disabled]="isOptionDisabled(option)"
                                                [template]="itemTemplate"
                                                [focused]="focusedOptionIndex() === getOptionIndex(i, scrollerOptions)"
                                                [ariaPosInset]="getAriaPosInset(getOptionIndex(i, scrollerOptions))"
                                                [ariaSetSize]="ariaSetSize"
                                                (onClick)="onOptionSelect($event, option)"
                                                (onMouseEnter)="onOptionMouseEnter($event, getOptionIndex(i, scrollerOptions))"
                                            ></p-dropdownItem>
                                        </ng-container>
                                    </ng-template>
                                    <li *ngIf="filterValue && isEmpty()" class="p-dropdown-empty-message" [ngStyle]="{ height: scrollerOptions.itemSize + 'px' }" role="option">
                                        <ng-container *ngIf="!emptyFilterTemplate && !emptyTemplate; else emptyFilter">
                                            {{ emptyFilterMessageLabel }}
                                        </ng-container>
                                        <ng-container #emptyFilter *ngTemplateOutlet="emptyFilterTemplate || emptyTemplate"></ng-container>
                                    </li>
                                    <li *ngIf="!filterValue && isEmpty()" class="p-dropdown-empty-message" [ngStyle]="{ height: scrollerOptions.itemSize + 'px' }" role="option">
                                        <ng-container *ngIf="!emptyTemplate; else empty">
                                            {{ emptyMessageLabel }}
                                        </ng-container>
                                        <ng-container #empty *ngTemplateOutlet="emptyTemplate"></ng-container>
                                    </li>
                                </ul>
                            </ng-template>
                        </div>
                        <ng-container *ngTemplateOutlet="footerTemplate"></ng-container>
                        <span
                            #lastHiddenFocusableEl
                            role="presentation"
                            class="p-hidden-accessible p-hidden-focusable"
                            [attr.tabindex]="0"
                            (focus)="onLastHiddenFocus($event)"
                            [attr.data-p-hidden-accessible]="true"
                            [attr.data-p-hidden-focusable]="true"
                        ></span>
                    </div>
                </ng-template>
            </p-overlay>
        </div>
    `, host: {
                        class: 'p-element p-inputwrapper',
                        '[class.p-inputwrapper-filled]': 'filled()',
                        '[class.p-inputwrapper-focus]': 'focused || overlayVisible'
                    }, providers: [DROPDOWN_VALUE_ACCESSOR], changeDetection: ChangeDetectionStrategy.OnPush, encapsulation: ViewEncapsulation.None, styles: ["@layer primeng{.p-dropdown{display:inline-flex;cursor:pointer;position:relative;-webkit-user-select:none;user-select:none}.p-dropdown-clear-icon{position:absolute;top:50%;margin-top:-.5rem}.p-dropdown-trigger{display:flex;align-items:center;justify-content:center;flex-shrink:0}.p-dropdown-label{display:block;white-space:nowrap;overflow:hidden;flex:1 1 auto;width:1%;text-overflow:ellipsis;cursor:pointer}.p-dropdown-label-empty{overflow:hidden;opacity:0}input.p-dropdown-label{cursor:default}.p-dropdown .p-dropdown-panel{min-width:100%}.p-dropdown-items-wrapper{overflow:auto}.p-dropdown-item{cursor:pointer;font-weight:400;white-space:nowrap;position:relative;overflow:hidden}.p-dropdown-item-group{cursor:auto}.p-dropdown-items{margin:0;padding:0;list-style-type:none}.p-dropdown-filter{width:100%}.p-dropdown-filter-container{position:relative}.p-dropdown-filter-icon{position:absolute;top:50%;margin-top:-.5rem}.p-fluid .p-dropdown{display:flex}.p-fluid .p-dropdown .p-dropdown-label{width:1%}.p-float-label .p-dropdown .p-placeholder{opacity:0}}\n"] }]
        }], ctorParameters: () => [{ type: i0.ElementRef }, { type: i0.Renderer2 }, { type: i0.ChangeDetectorRef }, { type: i0.NgZone }, { type: i3.FilterService }, { type: i3.PrimeNGConfig }], propDecorators: { id: [{
                type: Input
            }], scrollHeight: [{
                type: Input
            }], filter: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], name: [{
                type: Input
            }], style: [{
                type: Input
            }], panelStyle: [{
                type: Input
            }], styleClass: [{
                type: Input
            }], panelStyleClass: [{
                type: Input
            }], readonly: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], required: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], editable: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], appendTo: [{
                type: Input
            }], tabindex: [{
                type: Input,
                args: [{ transform: numberAttribute }]
            }], placeholder: [{
                type: Input
            }], loadingIcon: [{
                type: Input
            }], filterPlaceholder: [{
                type: Input
            }], filterLocale: [{
                type: Input
            }], variant: [{
                type: Input
            }], inputId: [{
                type: Input
            }], dataKey: [{
                type: Input
            }], filterBy: [{
                type: Input
            }], filterFields: [{
                type: Input
            }], autofocus: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], resetFilterOnHide: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], checkmark: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], dropdownIcon: [{
                type: Input
            }], loading: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], optionLabel: [{
                type: Input
            }], optionValue: [{
                type: Input
            }], optionDisabled: [{
                type: Input
            }], optionGroupLabel: [{
                type: Input
            }], optionGroupChildren: [{
                type: Input
            }], autoDisplayFirst: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], group: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], showClear: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], emptyFilterMessage: [{
                type: Input
            }], emptyMessage: [{
                type: Input
            }], lazy: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], virtualScroll: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], virtualScrollItemSize: [{
                type: Input,
                args: [{ transform: numberAttribute }]
            }], virtualScrollOptions: [{
                type: Input
            }], overlayOptions: [{
                type: Input
            }], ariaFilterLabel: [{
                type: Input
            }], ariaLabel: [{
                type: Input
            }], ariaLabelledBy: [{
                type: Input
            }], filterMatchMode: [{
                type: Input
            }], maxlength: [{
                type: Input,
                args: [{ transform: numberAttribute }]
            }], tooltip: [{
                type: Input
            }], tooltipPosition: [{
                type: Input
            }], tooltipPositionStyle: [{
                type: Input
            }], tooltipStyleClass: [{
                type: Input
            }], focusOnHover: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], selectOnFocus: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], autoOptionFocus: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], autofocusFilter: [{
                type: Input,
                args: [{ transform: booleanAttribute }]
            }], disabled: [{
                type: Input
            }], itemSize: [{
                type: Input
            }], autoZIndex: [{
                type: Input
            }], baseZIndex: [{
                type: Input
            }], showTransitionOptions: [{
                type: Input
            }], hideTransitionOptions: [{
                type: Input
            }], filterValue: [{
                type: Input
            }], options: [{
                type: Input
            }], onChange: [{
                type: Output
            }], onFilter: [{
                type: Output
            }], onFocus: [{
                type: Output
            }], onBlur: [{
                type: Output
            }], onClick: [{
                type: Output
            }], onShow: [{
                type: Output
            }], onHide: [{
                type: Output
            }], onClear: [{
                type: Output
            }], onLazyLoad: [{
                type: Output
            }], containerViewChild: [{
                type: ViewChild,
                args: ['container']
            }], filterViewChild: [{
                type: ViewChild,
                args: ['filter']
            }], focusInputViewChild: [{
                type: ViewChild,
                args: ['focusInput']
            }], editableInputViewChild: [{
                type: ViewChild,
                args: ['editableInput']
            }], itemsViewChild: [{
                type: ViewChild,
                args: ['items']
            }], scroller: [{
                type: ViewChild,
                args: ['scroller']
            }], overlayViewChild: [{
                type: ViewChild,
                args: ['overlay']
            }], firstHiddenFocusableElementOnOverlay: [{
                type: ViewChild,
                args: ['firstHiddenFocusableEl']
            }], lastHiddenFocusableElementOnOverlay: [{
                type: ViewChild,
                args: ['lastHiddenFocusableEl']
            }], templates: [{
                type: ContentChildren,
                args: [PrimeTemplate]
            }] } });
export class DropdownModule {
    static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: DropdownModule, deps: [], target: i0.ɵɵFactoryTarget.NgModule });
    static ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "14.0.0", version: "17.3.7", ngImport: i0, type: DropdownModule, declarations: [Dropdown, DropdownItem], imports: [CommonModule, OverlayModule, SharedModule, TooltipModule, RippleModule, ScrollerModule, AutoFocusModule, TimesIcon, ChevronDownIcon, SearchIcon, BlankIcon, CheckIcon], exports: [Dropdown, OverlayModule, SharedModule, ScrollerModule] });
    static ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: DropdownModule, imports: [CommonModule, OverlayModule, SharedModule, TooltipModule, RippleModule, ScrollerModule, AutoFocusModule, TimesIcon, ChevronDownIcon, SearchIcon, BlankIcon, CheckIcon, OverlayModule, SharedModule, ScrollerModule] });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: DropdownModule, decorators: [{
            type: NgModule,
            args: [{
                    imports: [CommonModule, OverlayModule, SharedModule, TooltipModule, RippleModule, ScrollerModule, AutoFocusModule, TimesIcon, ChevronDownIcon, SearchIcon, BlankIcon, CheckIcon],
                    exports: [Dropdown, OverlayModule, SharedModule, ScrollerModule],
                    declarations: [Dropdown, DropdownItem]
                }]
        }] });
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