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

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2024-07-16 14:55:36 +00:00
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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