@progress/kendo-angular-dropdowns
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A wide variety of native Angular dropdown components including AutoComplete, ComboBox, DropDownList, DropDownTree, MultiColumnComboBox, MultiSelect, and MultiSelectTree
2,129 lines • 85.4 kB
JavaScript
/**-----------------------------------------------------------------------------------------
* Copyright © 2025 Progress Software Corporation. All rights reserved.
* Licensed under commercial license. See LICENSE.md in the project root for more information
*-------------------------------------------------------------------------------------------*/
import { Component, forwardRef, ElementRef, TemplateRef, Input, Output, EventEmitter, ContentChild, ViewChild, ViewContainerRef, HostBinding, isDevMode, ChangeDetectorRef, NgZone, Renderer2, Injector } from '@angular/core';
import { NG_VALUE_ACCESSOR, NgControl } from '@angular/forms';
import { validatePackage } from '@progress/kendo-licensing';
import { packageMetadata } from '../package-metadata';
import { SearchBarComponent } from '../common/searchbar.component';
import { ItemTemplateDirective } from '../common/templates/item-template.directive';
import { HeaderTemplateDirective } from '../common/templates/header-template.directive';
import { FooterTemplateDirective } from '../common/templates/footer-template.directive';
import { GroupTemplateDirective } from '../common/templates/group-template.directive';
import { FixedGroupTemplateDirective } from '../common/templates/fixed-group-template.directive';
import { NoDataTemplateDirective } from '../common/templates/no-data-template.directive';
import { SelectionService } from '../common/selection/selection.service';
import { NavigationService } from '../common/navigation/navigation.service';
import { DisabledItemsService } from '../common/disabled-items/disabled-items.service';
import { merge, of, Subject, Subscription } from 'rxjs';
import { catchError, filter, map, partition, tap, throttleTime } from 'rxjs/operators';
import { isChanged, isDocumentAvailable, KendoInput, hasObservers, anyChanged, SuffixTemplateDirective, PrefixTemplateDirective, isControlRequired, MultiTabStop, SeparatorComponent, EventsOutsideAngularDirective, ResizeSensorComponent, Keys, TemplateContextDirective } from '@progress/kendo-angular-common';
import { AdaptiveService } from '@progress/kendo-angular-utils';
import { isPresent, guid, getter, isEmptyString, isUntouched, inDropDown, getSizeClass, getRoundedClass, getFillModeClass, isTruthy, setListBoxAriaLabelledBy, setActionSheetTitle, updateActionSheetAdaptiveAppearance, animationDuration } from '../common/util';
import { NavigationAction } from '../common/navigation/navigation-action';
import { PreventableEvent } from '../common/models/preventable-event';
import { LocalizationService, L10N_PREFIX } from '@progress/kendo-angular-l10n';
import { PopupService } from '@progress/kendo-angular-popup';
import { ComboBoxMessages } from '../common/constants/error-messages';
import { FilterableComponent } from '../common/filtering/filterable-component';
import { DataService } from '../common/data.service';
import { ListComponent } from '../common/list.component';
import { normalizeVirtualizationSettings } from '../common/models/virtualization-settings';
import { pointers, touchEnabled } from '@progress/kendo-common';
import { caretAltDownIcon, xIcon } from '@progress/kendo-svg-icons';
import { ResponsiveRendererComponent } from '../common/action-sheet.component';
import { NgIf, NgTemplateOutlet, NgClass } from '@angular/common';
import { SharedDropDownEventsDirective } from '../common/shared-events.directive';
import { LocalizedMessagesDirective } from '../common/localization/localized-messages.directive';
import { IconWrapperComponent } from '@progress/kendo-angular-icons';
import * as i0 from "@angular/core";
import * as i1 from "@progress/kendo-angular-l10n";
import * as i2 from "@progress/kendo-angular-popup";
import * as i3 from "../common/selection/selection.service";
import * as i4 from "../common/navigation/navigation.service";
import * as i5 from "../common/disabled-items/disabled-items.service";
import * as i6 from "../common/data.service";
import * as i7 from "@progress/kendo-angular-utils";
/**
* @hidden
*/
export const COMBOBOX_VALUE_ACCESSOR = {
multi: true,
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef(() => ComboBoxComponent)
};
const DEFAULT_SIZE = 'medium';
const DEFAULT_ROUNDED = 'medium';
const DEFAULT_FILL_MODE = 'solid';
/**
* Represents the [Kendo UI ComboBox component for Angular]({% slug overview_combobox %}).
*
* @example
* ```ts
* _@Component({
* selector: 'my-app',
* template: `
* <kendo-combobox [data]="listItems">
* </kendo-combobox>
* `
* })
* class AppComponent {
* public listItems: Array<string> = ["Item 1", "Item 2", "Item 3", "Item 4"];
* }
* ```
*/
export class ComboBoxComponent extends MultiTabStop {
wrapper;
localization;
popupService;
selectionService;
navigationService;
disabledItemsService;
dataService;
zone;
cdr;
renderer;
injector;
hostElement;
adaptiveService;
/**
* @hidden
*/
icon;
/**
* @hidden
*/
svgIcon;
/**
* Sets the HTML attributes of the inner focusable input element. Attributes which are essential for certain component functionalities cannot be changed.
*/
inputAttributes;
/**
* @hidden
*/
animationDuration = animationDuration;
/**
* @hidden
*/
xIcon = xIcon;
/**
* @hidden
*/
responsiveRendererComponent;
/**
* @hidden
*/
get actionSheet() {
return this.responsiveRendererComponent?.actionSheet;
}
/**
* @hidden
*/
get actionSheetSearchBar() {
return this.responsiveRendererComponent?.actionSheetSearchBar;
}
/**
* @hidden
*/
caretAltDownIcon = caretAltDownIcon;
set text(text) {
this._text = isPresent(text) ? text.toString() : "";
}
get text() {
return this._text;
}
/**
* @hidden
*/
get ariaControls() {
return this.isOpen ? this.listBoxId : undefined;
}
/**
* @hidden
*/
get isControlRequired() {
return isControlRequired(this.formControl);
}
/**
* @hidden
*/
togglePopup(open) {
const isDisabled = this.disabled || this.readonly;
const sameState = this.isOpen === open;
if (isDisabled || sameState) {
return;
}
const isDefaultPrevented = this.triggerPopupEvents(open);
if (!isDefaultPrevented) {
this._toggle(open);
}
}
get activeDescendant() {
if (!this.isOpen || !isPresent(this.selectionService.focused) || this.selectionService.focused === -1) {
return null;
}
return this.optionPrefix + "-" + this.selectionService.focused;
}
get appendTo() {
const { appendTo } = this.popupSettings;
if (!appendTo || appendTo === 'root') {
return undefined;
}
return appendTo === 'component' ? this.container : appendTo;
}
dataItem;
selected = [];
/**
* Shows or hides the current group sticky header when using grouped data.
* By default the sticky header is displayed ([see example]({% slug grouping_autocomplete %}#toc-sticky-header)).
*/
showStickyHeader = true;
/**
* @hidden
*/
focusableId = `k-${guid()}`;
/**
* Specifies whether the ComboBox allows user-defined values that are not present in the dataset
* ([more information and examples]({% slug custom_values_combobox %})).
* Defaults to `false`.
*
* The feature is not available when using adaptive mode.
*/
allowCustom = false;
/**
* Sets the data of the ComboBox.
*
* > The data has to be provided in an array-like list.
*/
set data(data) {
this.dataService.data = data || [];
if (this.virtual) {
this.virtual.skip = 0;
}
this.setState();
if (this._filtering) {
const queryAndDataPresent = this.text.length > 0 && this.dataService.itemsCount > 0;
const index = queryAndDataPresent ? this.firstFocusableIndex(0) : -1;
this.selectionService.focused = index;
}
if (this.suggest && this.dataService.itemsCount && this.text) {
this.suggestedText = getter(this.dataService.itemAt(0), this.textField);
}
}
get data() {
const virtual = this.virtual;
if (virtual) {
const start = virtual.skip || 0;
const end = start + virtual.pageSize;
// Use length instead of itemsCount because of the grouping.
virtual.total = this.dataService.data.length;
return this.dataService.data.slice(start, end);
}
return this.dataService.data;
}
/**
* Sets the value of the ComboBox.
* It can either be of the primitive (string, numbers) or of the complex (objects) type.
* To define the type, use the `valuePrimitive` option.
*
* > All selected values which are not present in the dataset are considered custom values.
* > When the `Enter` key is pressed or the component loses focus, custom values get dismissed unless `allowCustom` is set to `true`.
*/
set value(newValue) {
this._value = newValue;
this.setState();
this.cdr.markForCheck();
}
get value() {
return this._value;
}
/**
* Sets the data item field that represents the item text.
* If the data contains only primitive values, do not define it.
*
* > The `textField` property can be set to point to a nested property value - e.g. `category.name`.
*/
textField;
/**
* Sets the data item field that represents the item value.
* If the data contains only primitive values, do not define it.
*
* > The `valueField` property can be set to point to a nested property value - e.g. `category.id`.
*/
valueField;
/**
* Specifies the type of the selected value.
* If set to `true`, the selected value has to be of the primitive type
* ([more information and example]({% slug valuebinding_combobox %}#toc-primitive-values-from-object-fields)).
*/
set valuePrimitive(isPrimitive) {
this._valuePrimitive = isPrimitive;
}
get valuePrimitive() {
if (!isPresent(this._valuePrimitive)) {
return !isPresent(this.valueField);
}
return this._valuePrimitive;
}
/**
* A user-defined callback which returns normalized custom values.
* Typically used when the data items are different from type `string`.
* @param { Any } value - The custom value defined by the user.
* @returns { Any }
*
* @example
* ```ts
* import { map } from 'rxjs/operators';
*
* _@Component({
* selector: 'my-app',
* template: `
* <kendo-combobox
* [allowCustom]="true"
* [data]="listItems"
* textField="text"
* valueField="value"
* [valueNormalizer]="valueNormalizer"
* (valueChange)="onValueChange($event)"
* >
* </kendo-combobox>
* `
* })
*
* class AppComponent {
* public listItems: Array<{ text: string, value: number }> = [
* { text: "Small", value: 1 },
* { text: "Medium", value: 2 },
* { text: "Large", value: 3 }
* ];
*
* public onValueChange(value) {
* console.log("valueChange : ", value);
* }
*
* public valueNormalizer = (text$: Observable<string>) => text$.pipe(map((text: string) => {
* return { ProductID: null, ProductName: text };
* }));
*
* }
* ```
*/
valueNormalizer = (text) => text.pipe(map((userInput) => userInput));
/**
* The hint that is displayed when the component is empty.
*
*/
placeholder = "";
/**
* Enables or disables the adaptive mode. By default the adaptive rendering is disabled.
*/
adaptiveMode = 'none';
/**
* Sets the title of the ActionSheet that is rendered instead of the Popup when using small screen devices.
* By default the ActionSheet title uses the text provided for the label of the AutoComplete.
*/
title = '';
/**
* Sets the subtitle of the ActionSheet that is rendered instead of the Popup when using small screen devices.
* By default the ActionSheet subtitle uses the text provided for the `placeholder` of the AutoComplete.
*/
set subtitle(_subtitle) {
this._subtitle = _subtitle;
}
get subtitle() {
return this._subtitle || this.placeholder;
}
/**
* @hidden
*/
get isAdaptiveModeEnabled() {
return this.adaptiveMode === 'auto';
}
/**
* Configures the popup of the ComboBox.
*
* The available options are:
* - `animate: Boolean`—Controls the popup animation. By default, the open and close animations are enabled.
* - `width: Number | String`—Sets the width of the popup container. By default, the width of the host element is used. If set to `auto`, the component automatically adjusts the width of the popup and no item labels are wrapped. The `auto` mode is not supported when virtual scrolling is enabled.
* - `height: Number`—Sets the height of the popup container.
* - `popupClass: String`—Specifies a list of CSS classes that are used to style the popup.
* - `appendTo: "root" | "component" | ViewContainerRef`—Specifies the component to which the popup will be appended.
*/
set popupSettings(settings) {
this._popupSettings = Object.assign({ animate: true }, settings);
}
get popupSettings() {
return this._popupSettings;
}
/**
* Sets the height of the options list in the popup. By default, `listHeight` is 200px.
*
* > The `listHeight` property affects only the list of options and not the whole popup container.
* > To set the height of the popup container, use `popupSettings.height`.
*
* > When using `adaptiveMode` and the screen size is `small` or `medium` the `listHeight` property is set to null.
*/
set listHeight(_listHeight) {
this._listHeight = _listHeight;
}
get listHeight() {
if (this.isAdaptive) {
return;
}
return this._listHeight;
}
_listHeight = 200;
/**
* Sets and gets the loading state of the ComboBox.
*/
loading;
/**
* Enables the auto-completion of the text based on the first data item.
*/
suggest = false;
/**
* If set to `true`, renders a button on hovering over the component.
* Clicking this button resets the value of the component to `undefined` and triggers the `change` event.
*/
clearButton = true;
/**
* Sets the disabled state of the component. To learn how to disable the component in reactive forms, refer to the articles on [ComboBox Forms Support](slug:formssupport_combobox#toc-managing-the-combobox-disabled-state-in-reactive-forms) and [MultiColumnComboBox Forms Support](slug:formssupport_multicolumncombobox#toc-managing-the-multicolumncombobox-disabled-state-in-reactive-forms).
*/
disabled = false;
/**
* Defines a Boolean function that is executed for each data item in the component
* ([see examples]({% slug disableditems_combobox %})). Determines whether the item will be disabled.
*/
set itemDisabled(fn) {
if (typeof fn !== 'function') {
throw new Error(`itemDisabled must be a function, but received ${JSON.stringify(fn)}.`);
}
this.disabledItemsService.itemDisabled = fn;
}
/**
* Sets the read-only state of the component.
*
* @default false
*/
readonly = false;
/**
* Specifies the [`tabindex`](https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/tabindex) of the component.
*/
tabindex = 0;
/**
* @hidden
*/
set tabIndex(tabIndex) {
this.tabindex = tabIndex;
}
get tabIndex() {
return this.tabindex;
}
/**
* Enables the [filtering]({% slug filtering_combobox %}) functionality.
* If set to `true`, the component emits the `filterChange` event.
*/
filterable = false;
/**
* Enables the [virtualization]({% slug virtualization_combobox %}) functionality.
*/
set virtual(settings) {
this._virtualSettings = normalizeVirtualizationSettings(settings, {
itemHeight: this.defaultVirtualItemHeight,
pageSize: this.defaultVirtualPageSize
});
}
get virtual() {
return this._virtualSettings;
}
/**
* Sets the size of the component.
*
* The possible values are:
* * `small`
* * `medium` (default)
* * `large`
* * `none`
*
*/
set size(size) {
const newSize = size ? size : DEFAULT_SIZE;
this.renderer.removeClass(this.wrapper.nativeElement, getSizeClass('input', this.size));
if (size !== 'none') {
this.renderer.addClass(this.wrapper.nativeElement, getSizeClass('input', newSize));
}
this._size = newSize;
}
get size() {
return this._size;
}
/**
* Sets the border radius of the component.
*
* The possible values are:
* * `small`
* * `medium` (default)
* * `large`
* * `full`
* * `none`
*
*/
set rounded(rounded) {
const newRounded = rounded ? rounded : DEFAULT_ROUNDED;
this.renderer.removeClass(this.wrapper.nativeElement, getRoundedClass(this.rounded));
if (rounded !== 'none') {
this.renderer.addClass(this.wrapper.nativeElement, getRoundedClass(newRounded));
}
this._rounded = newRounded;
}
get rounded() {
return this._rounded;
}
/**
* Sets the fillMode of the component.
*
* The possible values are:
* * `flat`
* * `solid` (default)
* * `outline`
* * `none`
*
*/
set fillMode(fillMode) {
const newFillMode = fillMode ? fillMode : DEFAULT_FILL_MODE;
this.renderer.removeClass(this.wrapper.nativeElement, getFillModeClass('input', this.fillMode));
if (fillMode !== 'none') {
this.renderer.addClass(this.wrapper.nativeElement, getFillModeClass('input', newFillMode));
}
this._fillMode = newFillMode;
}
get fillMode() {
return this._fillMode;
}
/**
* Fires each time the value is changed—
* when the component is blurred or the value is cleared through the **Clear** button
* ([see example](slug:events_combobox)).
* When the value of the component is programmatically changed to `ngModel` or `formControl`
* through its API or form binding, the `valueChange` event is not triggered because it
* might cause a mix-up with the built-in `valueChange` mechanisms of the `ngModel` or `formControl` bindings.
*/
valueChange = new EventEmitter();
/**
* Fires each time an item selection is changed
* ([see example](slug:events_combobox)).
*/
selectionChange = new EventEmitter();
/**
* Fires each time the user types in the input field.
* You can filter the source based on the passed filtration value
* ([see example](slug:events_combobox)).
*/
filterChange = new EventEmitter();
/**
* Fires each time the popup is about to open.
* This event is preventable. If you cancel it, the popup will remain closed.
*/
open = new EventEmitter();
/**
* Fires after the popup has been opened.
*/
opened = new EventEmitter();
/**
* Fires each time the popup is about to close.
* This event is preventable. If you cancel it, the popup will remain open.
*/
close = new EventEmitter();
/**
* Fires after the popup has been closed.
*/
closed = new EventEmitter();
/**
* Fires each time the user focuses the ComboBox.
*/
onFocus = new EventEmitter();
/**
* Fires each time the ComboBox gets blurred.
*/
onBlur = new EventEmitter();
/**
* Fires each time the user focuses the `input` element.
*/
inputFocus = new EventEmitter();
/**
* Fires each time the `input` element gets blurred.
*/
inputBlur = new EventEmitter();
/**
* @hidden
*/
escape = new EventEmitter();
template;
headerTemplate;
footerTemplate;
noDataTemplate;
groupTemplate;
fixedGroupTemplate;
/**
* @hidden
*/
suffixTemplate;
/**
* @hidden
*/
prefixTemplate;
container;
popupTemplate;
searchbar;
optionsList;
select;
widgetClasses = true;
get isDisabled() {
return this.disabled;
}
get isLoading() {
return this.loading;
}
get dir() {
return this.direction;
}
_isFocused = false;
get isFocused() {
return this._isFocused;
}
set isFocused(value) {
this.renderer[value ? 'addClass' : 'removeClass'](this.wrapper.nativeElement, "k-focus");
this._isFocused = value;
}
get clearButtonVisiblity() {
if (touchEnabled) {
return 'visible';
}
}
/**
* @hidden
*/
get formControl() {
const ngControl = this.injector.get(NgControl, null);
return ngControl?.control || null;
}
/**
* @hidden
*/
windowSize = 'large';
/**
* @hidden
*/
get isActionSheetExpanded() {
return this.actionSheet?.expanded;
}
/**
* @hidden
*/
get isAdaptive() {
return this.isAdaptiveModeEnabled && this.windowSize !== 'large';
}
listBoxId = `k-${guid()}`;
optionPrefix = `k-${guid()}`;
popupRef;
get popupWidth() {
let wrapperOffsetWidth = 0;
if (isDocumentAvailable()) {
wrapperOffsetWidth = this.wrapper.nativeElement.offsetWidth;
}
const width = this.popupSettings.width || wrapperOffsetWidth;
const minWidth = isNaN(wrapperOffsetWidth) ? wrapperOffsetWidth : `${wrapperOffsetWidth}px`;
const maxWidth = isNaN(width) ? width : `${width}px`;
return { min: minWidth, max: maxWidth };
}
get popupHeight() {
const popupHeight = this.popupSettings.height;
return isPresent(popupHeight) ? `${popupHeight}px` : 'auto';
}
onChangeCallback = (_) => { };
onTouchedCallback = (_) => { };
/**
* Used for the default virtualization settings config.
*/
defaultVirtualItemHeight = 28;
/**
* Used for the default virtualization settings config.
*/
defaultVirtualPageSize = 50;
valueSubscription;
_filtering = false;
_text = '';
filterText = '';
_open = false;
_value;
_valuePrimitive;
_previousDataItem;
suggestedText;
backspacePressed;
_popupSettings = { animate: true };
_virtualSettings;
_subtitle;
popupMouseDownHandler = (event) => event.preventDefault();
customValueSubject = new Subject();
valueSubject = new Subject();
clearValueSubject = new Subject();
direction;
subs = new Subscription();
touchstartDisposeHandler;
selectClickDisposeHandler;
_size = 'medium';
_rounded = 'medium';
_fillMode = 'solid';
constructor(wrapper, localization, popupService, selectionService, navigationService, disabledItemsService, dataService, zone, cdr, renderer, injector, hostElement, adaptiveService) {
super();
this.wrapper = wrapper;
this.localization = localization;
this.popupService = popupService;
this.selectionService = selectionService;
this.navigationService = navigationService;
this.disabledItemsService = disabledItemsService;
this.dataService = dataService;
this.zone = zone;
this.cdr = cdr;
this.renderer = renderer;
this.injector = injector;
this.hostElement = hostElement;
this.adaptiveService = adaptiveService;
validatePackage(packageMetadata);
this.direction = localization.rtl ? 'rtl' : 'ltr';
this.data = [];
}
ngOnInit() {
this.renderer.removeAttribute(this.wrapper.nativeElement, 'tabindex');
this.attachStreams();
this.createValueStream();
this.subscribeTouchEvents();
this.attachSelectClickHandler();
this.setComponentClasses();
}
ngAfterViewInit() {
this.windowSize = this.adaptiveService.size;
this.cdr.detectChanges();
if (this.actionSheet && isDocumentAvailable()) {
// The following syntax is used as it does not violate CSP compliance
this.actionSheet.element.nativeElement.style.setProperty('--kendo-actionsheet-height', '60vh');
this.actionSheet.element.nativeElement.style.setProperty('--kendo-actionsheet-max-height', 'none');
}
}
createValueStream() {
const valueStream = this.valueSubject.pipe(filter((candidate) => {
const current = getter(this.value, this.valueField);
const newValue = getter(candidate, this.valueField);
let newText = getter(candidate, this.textField);
if (!isPresent(this.value) && !isPresent(newValue)) {
return false;
}
if (isPresent(newText)) {
newText = newText.toString();
}
if (current === newValue && this.text === newText) {
this.clearFilter();
return false;
}
else {
return true;
}
}), map((candidate) => {
const newValue = getter(candidate, this.valueField);
const newText = getter(candidate, this.textField);
return {
dataItem: candidate,
text: newText,
value: this.valuePrimitive ? newValue : candidate
};
}));
const customValueStreams = partition(() => this.allowCustom)(this.customValueSubject.pipe(throttleTime(300)));
const allowCustomValueStream = customValueStreams[0].pipe(tap(() => {
this.loading = true;
this.disabled = true;
this.cdr.detectChanges();
}), filter(() => {
const hasChange = this.text !== getter(this.value, this.valueField);
this.loading = hasChange;
this.disabled = hasChange;
if (!hasChange) {
this.clearFilter();
}
return hasChange;
}), this.valueNormalizer, map((normalizedValue) => {
return {
custom: true,
dataItem: normalizedValue,
text: this.text,
value: normalizedValue
};
}));
const disableCustomValueStream = customValueStreams[1].pipe(map(() => {
return {
custom: true,
dataItem: undefined,
text: undefined,
value: undefined
};
}));
const clearValueStream = this.clearValueSubject.pipe(map(() => ({
dataItem: undefined,
text: undefined,
value: undefined
})));
if (this.valueSubscription) {
this.valueSubscription.unsubscribe();
}
const merged = merge(valueStream, allowCustomValueStream, disableCustomValueStream, clearValueStream);
this.valueSubscription = merged.pipe(catchError(() => {
const selectionChanged = getter(this.dataItem, this.valueField) !== undefined;
this.dataItem = undefined;
this.value = undefined;
this.text = undefined;
this.loading = false;
this.disabled = false;
if (selectionChanged) {
this.selectionChange.emit(undefined);
}
this.emitValueChange();
this.createValueStream();
return of(null);
}))
.subscribe((state) => {
const selectionChanged = getter(this.dataItem, this.valueField) !== getter(state.dataItem, this.valueField);
this.dataItem = state.dataItem;
this.value = state.value;
this.text = state.text;
this.loading = false;
this.disabled = false;
this.clearFilter();
if (state.custom) {
this.selectionService.focused = -1;
}
if (selectionChanged) {
const selectionArgs = state.custom ? undefined : this.dataItem;
this.selectionChange.emit(selectionArgs);
}
this.emitValueChange();
});
}
attachStreams() {
if (!isDocumentAvailable()) {
return;
}
this.subs.add(this.localization
.changes.subscribe(({ rtl }) => {
this.direction = rtl ? 'rtl' : 'ltr';
this.cdr.detectChanges();
}));
this.subs.add(merge(this.navigationService.up, this.navigationService.down, this.navigationService.home, this.navigationService.end)
.pipe(filter((event) => isPresent(event.index)))
.subscribe((event) => this.navigate(event.index)));
this.subs.add(this.navigationService.open.subscribe(this.handleNavigationOpen.bind(this)));
this.subs.add(this.navigationService.close.subscribe(() => this.togglePopup(false)));
this.subs.add(merge(this.navigationService.pagedown, this.navigationService.pageup).subscribe((event) => {
if (this.isOpen) {
event.originalEvent.preventDefault();
this.optionsList.scrollWithOnePage(NavigationAction[event.originalEvent.code]);
}
}));
this.subs.add(this.navigationService.esc.subscribe(this.handleEscape.bind(this)));
this.subs.add(this.navigationService.enter.pipe(tap((event) => {
if (this.isOpen) {
event.originalEvent.preventDefault();
}
}))
.subscribe(this.handleEnter.bind(this)));
this.subs.add(merge(this.selectionService.onChange, this.selectionService.onSelect.pipe(filter(() => !this.isOpen)))
.pipe(tap(() => {
this._filtering = false;
this.togglePopup(false);
}), map((event) => this.dataService.itemAt(event.indices[0])))
.subscribe(dataItem => {
this.change(dataItem);
}));
this.subs.add(this.selectionService.onSelect.pipe(filter(() => this.isOpen), tap(() => this._filtering = false), map((event) => this.dataService.itemAt(event.indices[0])))
.subscribe(dataItem => {
const selectionChanged = getter(dataItem, this.valueField) !== getter(this.dataItem, this.valueField);
this.updateState({ dataItem });
if (selectionChanged) {
this.selectionChange.emit(dataItem);
}
}));
}
ngOnDestroy() {
this.destroyPopup();
this.subs.unsubscribe();
if (isPresent(this.valueSubscription)) {
this.valueSubscription.unsubscribe();
}
if (this.touchstartDisposeHandler) {
this.touchstartDisposeHandler();
}
if (this.selectClickDisposeHandler) {
this.selectClickDisposeHandler();
}
}
ngOnChanges(changes) {
const virtual = this.virtual;
const requestInitialData = virtual && changes['data'] && changes['data'].isFirstChange();
if (requestInitialData) {
this.pageChange({ skip: 0, take: virtual.pageSize });
}
if (isChanged('valueNormalizer', changes)) {
this.createValueStream();
}
if (anyChanged(['textField', 'valueField', 'valuePrimitive'], changes, false)) {
this.setState();
}
}
ngAfterContentChecked() {
this.verifySettings();
}
/**
* Focuses a specific item of the ComboBox based on a provided index.
* If null or invalid index is provided the focus will be removed.
*/
focusItemAt(index) {
const isInRange = index >= 0 && index < this.data.length;
if (isPresent(index) && isInRange && !this.disabledItemsService.isIndexDisabled(index)) {
this.selectionService.focus(index);
}
else {
this.selectionService.focus(-1);
}
}
/**
* Focuses the ComboBox.
*/
focus() {
if (!this.disabled) {
this.searchbar.focus();
}
}
/**
* Blurs the ComboBox.
*/
blur() {
if (!this.disabled) {
this.searchbar.blur();
}
}
/**
* Toggles the visibility of the popup or actionSheet. If you use the `toggle` method to open or close the popup or actionSheet,
* the `open` and `close` events will not be fired.
*
* @param open - The state of the popup.
*/
toggle(open) {
Promise.resolve(null).then(() => {
const shouldOpen = isPresent(open) ? open : !this._open;
this._toggle(shouldOpen);
this.cdr.markForCheck();
});
}
/**
* Returns the current open state. Returns `true` if the popup or actionSheet is open.
*/
get isOpen() {
return isTruthy(this._open || this.isActionSheetExpanded);
}
/**
* @hidden
*/
handleClick() {
this.windowSize = this.adaptiveService.size;
if (this.isAdaptive) {
this.togglePopup(true);
}
}
/**
* Resets the value of the ComboBox.
* If you use the `reset` method to clear the value of the component,
* the model will not update automatically and the `selectionChange` and `valueChange` events will not be fired.
*/
reset() {
this.value = undefined;
this.clearState();
this.resetSelection();
}
/**
* @hidden
*
* Used by the TextBoxContainer to determine if the floating label
* should be rendered in the input when the component is not focused.
*/
isEmpty() {
const textEmpty = !isPresent(this.text) || isEmptyString(this.text);
const valueEmpty = !isPresent(this.value) || isEmptyString(this.value);
return textEmpty && valueEmpty;
}
/**
* @hidden
*/
messageFor(key) {
return this.localization.get(key);
}
/**
* @hidden
*/
clearValue(event) {
event?.stopImmediatePropagation();
if (event) {
this.focus();
}
this._previousDataItem = undefined;
this.selectionService.resetSelection([]);
this.clearValueSubject.next();
this._filtering = false;
}
/**
* @hidden
*/
writeValue(value) {
this.value = value === null ? undefined : value;
}
/**
* @hidden
*/
registerOnChange(fn) {
this.onChangeCallback = fn;
}
/**
* @hidden
*/
registerOnTouched(fn) {
this.onTouchedCallback = fn;
}
/**
* @hidden
*/
setDisabledState(isDisabled) {
this.cdr.markForCheck();
this.disabled = isDisabled;
}
/**
* @hidden
*/
get selectButtonClasses() {
return `${this.size ? getSizeClass('button', this.size) : ''} ${this.fillMode ? 'k-button-' + this.fillMode : ''} ${this.fillMode ? 'k-button-' + this.fillMode + '-base' : ''}
`;
}
/**
* @hidden
*/
onResize() {
const currentWindowSize = this.adaptiveService.size;
if (this.isAdaptiveModeEnabled && this.windowSize !== currentWindowSize) {
if (this.isOpen) {
this.togglePopup(false);
}
this.windowSize = currentWindowSize;
this.cdr.detectChanges();
}
if (this.isOpen && !this.isActionSheetExpanded) {
const popupWrapper = this.popupRef.popupElement;
const { min, max } = this.popupWidth;
popupWrapper.style.minWidth = min;
popupWrapper.style.width = max;
}
}
verifySettings() {
if (!isDevMode()) {
return;
}
if (this.valuePrimitive === true && isPresent(this.value) && typeof this.value === "object") {
throw new Error(ComboBoxMessages.primitive);
}
if (this.valuePrimitive === false && isPresent(this.value) && typeof this.value !== "object") {
throw new Error(ComboBoxMessages.object);
}
const valueOrText = !isPresent(this.valueField) !== !isPresent(this.textField);
if (valueOrText) {
throw new Error(ComboBoxMessages.textAndValue);
}
if (this.virtual && isNaN(this.virtual.itemHeight)) {
throw new Error(ComboBoxMessages.noItemHeight);
}
}
setState() {
// Filtering in process, do nothing.
if (this._filtering) {
return;
}
const value = this.value;
const valueField = this.valueField;
const resolved = this.findDataItem({ valueField, value });
if (isPresent(resolved.index) && resolved.index !== -1) {
this.updateState({ dataItem: resolved.dataItem, confirm: true });
this.resetSelection(resolved.index);
}
else if (isPresent(value) && this.allowCustom) {
this.updateState({ dataItem: value });
this.resetSelection(-1);
}
else if (this._previousDataItem && this.value) {
this.updateState({ dataItem: this._previousDataItem });
this.resetSelection();
}
else {
this.clearState();
this.resetSelection(-1);
}
}
updateState({ dataItem, confirm = false }) {
this.dataItem = dataItem;
this.text = getter(dataItem, this.textField);
if (confirm) {
this._previousDataItem = dataItem;
}
}
clearState() {
this.text = undefined;
this.dataItem = undefined;
}
resetSelection(index) {
const clear = !isPresent(index) || index < 0;
this.selectionService.resetSelection(clear ? [] : [index]);
this.selectionService.focused = index;
}
firstFocusableIndex(index) {
const maxIndex = this.data.length - 1;
if (this.disabledItemsService.isIndexDisabled(index)) {
return (index < maxIndex) ? this.firstFocusableIndex(index + 1) : undefined;
}
else {
return index;
}
}
findIndexPredicate(text) {
if (this.dataService.grouped) {
return (item) => {
let itemText = getter(item.value, this.textField);
itemText = !isPresent(itemText) ? "" : itemText.toString().toLowerCase();
return itemText.startsWith(text.toLowerCase());
};
}
else {
return (item) => {
let itemText = getter(item, this.textField);
itemText = !isPresent(itemText) ? "" : itemText.toString().toLowerCase();
return itemText.startsWith(text.toLowerCase());
};
}
}
findDataItem({ valueField, value }) {
const result = {
dataItem: null,
index: -1
};
const comparer = (element) => {
const dataItem = this.dataService.grouped ? element.value : element;
return getter(dataItem, valueField) === getter(value, valueField);
};
const index = this.dataService.findIndex(comparer);
result.dataItem = this.dataService.itemAt(index);
result.index = index;
return result;
}
search(text, startFrom = 0) {
const index = this.findIndex(text, startFrom);
if (this.disabledItemsService.isIndexDisabled(index)) {
if (index + 1 < this.dataService.itemsCount) {
this.search(text, index + 1);
}
else {
this.selectionService.focus(-1);
}
}
else {
this.selectionService.focus(index);
if (this.suggest) {
this.suggestedText = getter(this.dataService.itemAt(index), this.textField);
}
}
}
/**
* @hidden
*/
onAdaptiveTextBoxChange(text) {
if (this.filterable && this.filterText !== text) {
this.filterText = text;
this.filterChange.emit(text);
}
else {
this.search(text);
}
}
/**
* @hidden
*/
getSuggestion() {
const hasSelected = !!this.selectionService.selected.length;
const shouldSuggest = this.suggest && !this.backspacePressed && this.suggestedText && this.text;
if (!hasSelected && shouldSuggest && this.suggestedText.toLowerCase().startsWith(this.text.toLowerCase())) {
return this.suggestedText;
}
else {
this.suggestedText = undefined;
}
}
navigate(index) {
if (this.dataService.itemsCount === 0) {
return;
}
this.text = getter(this.dataService.itemAt(index), this.textField);
this.selectionService.select(index);
}
/**
* @hidden
*/
handleNavigate(event) {
const hasSelected = isPresent(this.selectionService.selected[0]);
const focused = isNaN(this.selectionService.focused) ? this.firstFocusableIndex(0) : this.selectionService.focused;
let offset = 0;
if (this.disabled || this.readonly) {
return;
}
if (event.keyCode === Keys.Home || event.keyCode === Keys.End) {
return;
}
if (!hasSelected) {
if (event.keyCode === Keys.ArrowDown) {
offset = -1;
}
else if (event.keyCode === Keys.ArrowUp) {
offset = 1;
}
}
const action = this.navigationService.process({
current: offset + focused,
max: this.dataService.itemsCount - 1,
min: 0,
originalEvent: event
});
if (action !== NavigationAction.Undefined &&
action !== NavigationAction.Left &&
action !== NavigationAction.Right &&
action !== NavigationAction.Backspace &&
action !== NavigationAction.Delete &&
action !== NavigationAction.PageDown &&
action !== NavigationAction.PageUp &&
((action === NavigationAction.Enter && this.isOpen) || action !== NavigationAction.Enter)) {
event.preventDefault();
}
if (action === NavigationAction.Tab && this.isActionSheetExpanded) {
event.stopImmediatePropagation();
this.togglePopup(false);
}
}
handleEnter() {
const text = this.text;
const focused = this.selectionService.focused;
const hasFocused = isPresent(focused) && focused !== -1;
const previousText = getter(this._previousDataItem, this.textField) || "";
const focusedItemText = getter(this.dataService.itemAt(focused), this.textField);
const textHasChanged = text !== previousText;
this.togglePopup(false);
this._filtering = false;
if (this.allowCustom && textHasChanged) {
if (text === focusedItemText || this.useSuggestion()) {
this.selectionService.change(focused);
}
else {
this.change(text, true);
}
}
if (!this.allowCustom) {
if (hasFocused) {
this.selectionService.change(focused);
}
else if (textHasChanged) {
this.change(text, true);
}
}
}
/**
* @hidden
*/
handleFocus() {
this.zone.run(() => {
if (!this.isFocused && hasObservers(this.onFocus)) {
this.onFocus.emit();
}
this.isFocused = true;
});
}
/**
* @hidden
*/
handleBlur() {
if (!this.isActionSheetExpanded) {
this._filtering = false;
this.searchbar.input.nativeElement.scrollLeft = 0; // Firefox doesn't auto-scroll to the left on blur like other browsers
this.isFocused = false;
const unresolvedSelection = getter(this.dataItem, this.valueField) !== getter(this.value, this.valueField);
const currentText = this.searchbar.value;
const textHasChanged = currentText !== (getter(this.dataItem, this.textField) || '');
const valueHasChanged = unresolvedSelection || textHasChanged;
const runInZone = valueHasChanged ||
hasObservers(this.onBlur) ||
hasObservers(this.close) ||
isUntouched(this.wrapper.nativeElement);
if (runInZone) {
this.zone.run(() => {
if (valueHasChanged) {
const lowerCaseMatch = isPresent(this.focusedItemText) && this.focusedItemText.toLowerCase() === currentText.toLowerCase();
if (lowerCaseMatch || unresolvedSelection) {
this.selectionService.change(this.selectionService.focused);
}
else {
this.change(currentText, true);
}
}
this.onBlur.emit();
this.onTouchedCallback();
this.togglePopup(false);
});
}
else {
this.togglePopup(false);
}
}
}
/**
* @hidden
*/
handleInputBlur() {
if (!this.isActionSheetExpanded) {
this._filtering = false;
this.searchbar.input.nativeElement.scrollLeft = 0; // Firefox doesn't auto-scroll to the left on blur like other browsers
const unresolvedSelection = getter(this.dataItem, this.valueField) !== getter(this.value, this.valueField);
const currentText = this.searchbar.value;
const textHasChanged = currentText !== (getter(this.dataItem, this.textField) || '');
const valueHasChanged = unresolvedSelection || textHasChanged;
const runInZone = valueHasChanged ||
hasObservers(this.onBlur) ||
hasObservers(this.close) ||
isUntouched(this.wrapper.nativeElement) ||
this.formControl?.updateOn === 'blur';
if (runInZone) {
this.zone.run(() => {
if (valueHasChanged) {
const lowerCaseMatch = isPresent(this.focusedItemText) && this.focusedItemText.toLowerCase() === currentText.toLowerCase();
if (lowerCaseMatch || unresolvedSelection) {
this.selectionService.change(this.selectionService.focused);
}
else {
this.change(currentText, true);
}
}
this.inputBlur.emit();
this.onTouchedCallback();
this.togglePopup(false);
});
}
else {
this.togglePopup(false);
}
}
}
/**
* @hidden
*/
handleEscape() {
this.isOpen ? this.togglePopup(false) : this.clearValue();
// clear the focus only if the focused item is not selected
const hasSelected = this.selectionService.selected.length > 0;
if (!hasSelected) {
this.suggestedText = null;
this.selectionService.focused = -1;
}
hasObservers(this.escape) && this.escape.emit();
}
/**
* @hidden
*/
handleNavigationOpen() {
this.restoreItemFocus();
this.togglePopup(true);
}
/**
* @hidden
*/
searchBarChange(text) {
const currentTextLength = this.text ? this.text.length : 0;
this.backspacePressed = (text.length < currentTextLength) ? true : false;
this.text = text;
// Reset the selection prior to filter. If a match is present, it will be resolved. If a match is not present, it is not needed.
this.selectionService.resetSelection([]);
this.togglePopup(true);
this._filtering = true;
if (this.filterable && this.filterText !== text) {
this.filterText = text;
this.filterChange.emit(text);
}
else {
this.search(text);
}
}
/**
* @hidden
*/
handleInputFocus() {
this.handleFocus();
if (hasObservers(this.inputFocus)) {
this.zone.run(() => this.inputFocus.emit());
}
}
/**
* @hidden
*/
pageChange(event) {
const virtual = this.virtual;
virtual.skip = event.skip;
}
change(candidate, isCustom = false) {
if (isCustom) {
this.customValueSubject.next(candidate);
}
else {
this.valueSubject.next(candidate);
if (this.isActionSheetExpanded) {
this.togglePopup(false);
}
}
}
emitValueChange() {
this.onChangeCallback(this.value);
this.valueChange.emit(this.value);
this._previousDataItem = this.dataItem;
}
/**
* @hidden
*/
selectClick() {
if (!touchEnabled) {
this.searchbar.focus();
this.isFocused = true;
}
if (!this.isOpen) {
this.restoreItemFocus();
}
this.togglePopup(!this.isOpen);
}
get listContainerClasses() {
return ['k-list-container', 'k-combobox-popup'].concat(this.popupSettings.popupClass || []);
}
/**
* @hidden
*/
preventEventDefault(event) {
event.preventDefault();
}
get focusedItemText() {
const focused = this.selectionService.focused;
if (!isPresent(focused) || focused === -1) {
return null;
}
const itemText = getter(this.dataService.itemAt(focused), this.textField);
return !isPresent(itemText) ? "" : itemText.toString();
}
/**
* Focuses the first match when there's text in the input field, but no focused item.
*/
restoreItemFocus() {
const hasFocus = isPresent(this.selectionService.focused) && this.selectionService.focused > -1;
if (!hasFocus && this.text && this.dataService.itemsCount) {
if (this.filterable) {
this.selectionService.focused = this.firstFocusableIndex(0);
}
else {
this.search(this.text);
}
}
}
useSuggestion() {
if (!(this.suggest && isPresent(this.searchbar.value))) {
return false;
}
const focusedDataItem = this.dataService.itemAt(this.selectionService.focused);
const focusedItemText = getter(focusedDataItem, this.textField);
if (!isPresent(focusedItemText)) {
return false;
}
return this.searchbar.value.toLowerCase() === focusedItemText.toLowerCase();
}
destroyPopup() {
if (this.popupRef) {
this.popupRef.popupElement
.removeEventListener('mousedown', this.popupMouseDownHandler);
this.popupRef.close();
this.popupRef = null;
}
}
createPopup() {
if (this.virtual) {
this.virtual.skip = 0;
}
this.windowSize = this.adaptiveService.size;
if (this.isAdaptive) {
this.openActionSheet();
return;
}
const horizontalAlign = this.direction === "rtl" ? "right" : "left";
const anchorPosition = { horizontal: horizontalAlign, vertical: "bottom" };
const popupPosition = { horizontal: horizontalAlign, vertical: "top" };
const appendToComponent = typeof this.popupSettings.appendTo === 'string' && this.popupSettings.appendTo === 'component';
this.popupRef = this.popupService.open({
anchor: this.wrapper,
animate: this.popupSettings.animate,
appendTo: this.appendTo,
content: this.popupTemplate,
popupClass: this.listContainerClasses,
positionMode: appendToComponent ? 'fixed' : 'absolute',
anchorAlign: anchorPosition,
popupAlign: popupPosition
});
const popupWrapper = this.popupRef.popupElement;
const { min, max } = this.popupWidth;
popupWrapper.addEventListener('mousedown', this.popupMouseDownHandler);
popupWrapper.style.minWidth = min;
popupWrapper.style.width = max;
popupWrapper.style.height = this.popupHeight;
popupWrapper.setAttribute('dir', this.direction);
if (!this.appendTo) {
this.renderer.setAttribute(popupWrapper, 'role', 'region');
this.renderer.setAttribute(popupWrapper, 'aria-label', this.messageFor('popupLabel'));
}
this.popupRef.popupOpen.subscribe(() => {
this.cdr.detectChanges();
setListBoxAriaLabelledBy(this.optionsList, this.searchbar.input, this.renderer);
this.optionsList.scrollToItem(this.selectionService.focused);
this.selectionService.focus(this.selectionService.focused);
this.opened.emit();
});
this.popupRef.popupClose.subscribe(() => {
this.closed.emit();
});
this.popupRef.popupAnchorViewportLeave.subscribe(() => this.togglePopup(false));
}
_toggle(open) {
this._open = open;
this.destroyPopup();
if (this.isActionSheetExpanded) {
this.closeActionSheet();
}
if (this._open) {
this.windowSize = this.adaptiveService.size;
this.createPopup();
}
}
triggerPopupEvents(open) {
const eventArgs = new PreventableEvent();
if (open) {
this.open.emit(eventArgs);
}
else {
this.close.emit(eventArgs);
}
return eventArgs.isDefaultPrevented();
}
clearFilter() {
if (!(this.filterable && this.filterText)) {
return;
}
this.filterText = '';
this.filterChange.emit(this.filterText);
}
subscribeTouchEvents() {
if (!isDocumentAvailable() || !touchEnabled) {
return;
}
this.zone.runOutsideAngular(() =>
// Roll up ComboBox on iOS when tapped outside
this.touchstartDisposeHandler = this.renderer.listen(document, 'touchstart', (e) => {
const target = e.target;
const isInDropDown = inDropDown(this.wrapper, target, this.popupRef);
if (this.isFocused && !isInDropDown) {
// Close popup and mobile keyboard if searchbar is focused
this.zone.run(() => this.blur());
}
else if (this.isOpen && !isInDropDown) {
// Close popup if the popup is opened via the select click
this.zone.run(() => this.togglePopup(false));
}
}));
}
attachSelectClickHandler() {
const selectElement = this.select.nativeElement;
const event = pointers ? 'pointerdown' : 'click';
this.selectClickDisposeHandler = this.renderer.listen(selectElement, event, this.selectClick.bind(this));
}
setComponentClasses() {
if (this.size !== 'none') {
this.renderer.addClass(this.wrapper.nativeElement, getSizeClass('input', this.size));
}
if (this.rounded !== 'none') {
this.renderer.addClass(this.wrapper.nativeElement, getRoundedClass(this.rounded));
}
if (this.fillMode !== 'none') {
this.renderer.addClass(this.wrapper.nativeElement, getFillModeClass('input', this.fillMode));
}
}
findIndex(value, startFrom = 0) {
let index;
if (value && value.length && this.dataService.itemsCount) {
index = this.dataService.findIndex(this.findIndexPredicate(value), startFrom);
}
else {
index = -1;
}
return index;
}
closeActionSheet() {
this.actionSheet.toggle(false);
this.searchbar.input.nativeElement.focus();
this.responsiveRendererComponent.searchBarValue = '';
this.closed.emit();
}
openActionSheet() {
this.windowSize = this.adaptiveService.size;
this.actionSheet.toggle(true);
this.cdr.detectChanges();
setListBoxAriaLabelledBy(this.optionsList, this.searchbar.input, this.renderer);
this.title = setActionSheetTitle(this.searchbar.input, this.title);
updateActionSheetAdaptiveAppearance(this.actionSheet, this.windowSize, this.renderer);
this.cdr.detectChanges();
this.opened.emit();
this.optionsList.scrollToItem(this.selectionService.focused);
this.selectionService.focus(this.selectionService.focused);
this.actionSheetSearchBar.focus();
}
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: ComboBoxComponent, deps: [{ token: i0.ElementRef }, { token: i1.LocalizationService }, { token: i2.PopupService }, { token: i3.SelectionService }, { token: i4.NavigationService }, { token: i5.DisabledItemsService }, { token: i6.DataService }, { token: i0.NgZone }, { token: i0.ChangeDetectorRef }, { token: i0.Renderer2 }, { token: i0.Injector }, { token: i0.ElementRef }, { token: i7.AdaptiveService }], target: i0.ɵɵFactoryTarget.Component });
static ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "16.2.12", type: ComboBoxComponent, isStandalone: true, selector: "kendo-combobox", inputs: { icon: "icon", svgIcon: "svgIcon", inputAttributes: "inputAttributes", showStickyHeader: "showStickyHeader", focusableId: "focusableId", allowCustom: "allowCustom", data: "data", value: "value", textField: "textField", valueField: "valueField", valuePrimitive: "valuePrimitive", valueNormalizer: "valueNormalizer", placeholder: "placeholder", adaptiveMode: "adaptiveMode", title: "title", subtitle: "subtitle", popupSettings: "popupSettings", listHeight: "listHeight", loading: "loading", suggest: "suggest", clearButton: "clearButton", disabled: "disabled", itemDisabled: "itemDisabled", readonly: "readonly", tabindex: "tabindex", tabIndex: "tabIndex", filterable: "filterable", virtual: "virtual", size: "size", rounded: "rounded", fillMode: "fillMode" }, outputs: { valueChange: "valueChange", selectionChange: "selectionChange", filterChange: "filterChange", open: "open", opened: "opened", close: "close", closed: "closed", onFocus: "focus", onBlur: "blur", inputFocus: "inputFocus", inputBlur: "inputBlur", escape: "escape" }, host: { properties: { "class.k-readonly": "this.readonly", "class.k-combobox": "this.widgetClasses", "class.k-input": "this.widgetClasses", "class.k-disabled": "this.isDisabled", "class.k-loading": "this.isLoading", "attr.dir": "this.dir" } }, providers: [
COMBOBOX_VALUE_ACCESSOR,
DataService,
SelectionService,
NavigationService,
DisabledItemsService,
LocalizationService,
{
provide: L10N_PREFIX,
useValue: 'kendo.combobox'
},
{
provide: FilterableComponent, useExisting: forwardRef(() => ComboBoxComponent)
},
{
provide: KendoInput, useExisting: forwardRef(() => ComboBoxComponent)
},
{
provide: MultiTabStop, useExisting: forwardRef(() => ComboBoxComponent)
}
], queries: [{ propertyName: "template", first: true, predicate: ItemTemplateDirective, descendants: true }, { propertyName: "headerTemplate", first: true, predicate: HeaderTemplateDirective, descendants: true }, { propertyName: "footerTemplate", first: true, predicate: FooterTemplateDirective, descendants: true }, { propertyName: "noDataTemplate", first: true, predicate: NoDataTemplateDirective, descendants: true }, { propertyName: "groupTemplate", first: true, predicate: GroupTemplateDirective, descendants: true }, { propertyName: "fixedGroupTemplate", first: true, predicate: FixedGroupTemplateDirective, descendants: true }, { propertyName: "suffixTemplate", first: true, predicate: SuffixTemplateDirective, descendants: true }, { propertyName: "prefixTemplate", first: true, predicate: PrefixTemplateDirective, descendants: true }], viewQueries: [{ propertyName: "responsiveRendererComponent", first: true, predicate: ResponsiveRendererComponent, descendants: true }, { propertyName: "container", first: true, predicate: ["container"], descendants: true, read: ViewContainerRef, static: true }, { propertyName: "popupTemplate", first: true, predicate: ["popupTemplate"], descendants: true, static: true }, { propertyName: "searchbar", first: true, predicate: SearchBarComponent, descendants: true, static: true }, { propertyName: "optionsList", first: true, predicate: ["optionsList"], descendants: true }, { propertyName: "select", first: true, predicate: ["select"], descendants: true, static: true }], exportAs: ["kendoComboBox"], usesInheritance: true, usesOnChanges: true, ngImport: i0, template: `
<ng-container kendoComboBoxLocalizedMessages
i18n-noDataText="kendo.combobox.noDataText|The text displayed in the popup when there are no items"
noDataText="NO DATA FOUND"
i18n-clearTitle="kendo.combobox.clearTitle|The title of the clear button"
clearTitle="clear"
i18n-selectButtonText="kendo.combobox.selectButtonText|The text set as aria-label on the select button"
selectButtonText="Select"
i18n-popupLabel="kendo.combobox.popupLabel|The label of the popup element that contains the list of options when its role is 'region'"
popupLabel="Options list"
>
</ng-container>
<ng-container
kendoDropDownSharedEvents
[hostElement]="hostElement"
[(isFocused)]="isFocused"
(handleBlur)="handleBlur()"
(onFocus)="handleFocus()"
>
<span *ngIf="prefixTemplate" class="k-input-prefix k-input-prefix-horizontal">
<ng-template [ngTemplateOutlet]="prefixTemplate?.templateRef">
</ng-template>
</span>
<kendo-separator *ngIf="prefixTemplate && prefixTemplate.showSeparator"></kendo-separator>
<input
kendoSearchbar
[ariaExpanded]="isOpen"
[ariaControls]="ariaControls"
[id]="focusableId"
[isLoading]="loading"
[isSuggestable]="suggest"
[isFilterable]="filterable"
[activeDescendant]="activeDescendant"
[userInput]="text"
[suggestedText]="getSuggestion()"
[disabled]="disabled"
[readonly]="readonly || isAdaptive"
[tabIndex]="tabIndex"
[isRequired]="isControlRequired"
[placeholder]="placeholder"
[inputAttributes]="inputAttributes"
(onNavigate)="handleNavigate($event)"
(valueChange)="searchBarChange($event)"
(onBlur)="handleInputBlur()"
(onFocus)="handleInputFocus()"
(click)="handleClick()"
/>
<span
*ngIf="clearButton && !loading && !disabled && !readonly && text?.length"
class="k-clear-value"
[style.visibility]="clearButtonVisiblity"
aria-hidden="true"
[attr.title]="messageFor('clearTitle')"
(click)="clearValue($event)"
[kendoEventsOutsideAngular]="{
mousedown: preventEventDefault
}"
>
<kendo-icon-wrapper
name="x"
[svgIcon]="xIcon"
>
</kendo-icon-wrapper>
</span>
<span *ngIf="loading" class="k-i-loading k-input-loading-icon k-icon"></span>
<kendo-separator *ngIf="suffixTemplate && suffixTemplate.showSeparator"></kendo-separator>
<span *ngIf="suffixTemplate" class="k-input-suffix k-input-suffix-horizontal">
<ng-template [ngTemplateOutlet]="suffixTemplate?.templateRef">
</ng-template>
</span>
<button
#select
tabindex="-1"
unselectable="on"
type="button"
class="k-input-button k-button k-icon-button"
[ngClass]="selectButtonClasses"
[attr.aria-label]="messageFor('selectButtonText')"
[attr.disabled]="disabled ? '' : null"
(keydown.enter)="$event.stopImmediatePropagation();"
[kendoEventsOutsideAngular]="{
mousedown: preventEventDefault
}"
>
<kendo-icon-wrapper
[name]="icon || 'caret-alt-down'"
innerCssClass="k-button-icon"
[svgIcon]="svgIcon || caretAltDownIcon"
>
</kendo-icon-wrapper>
</button>
</ng-container>
<ng-template #popupTemplate>
<ng-container *ngTemplateOutlet="sharedPopupActionSheetTemplate"></ng-container>
</ng-template>
<kendo-resize-sensor *ngIf="isOpen || isAdaptiveModeEnabled" (resize)="onResize()"></kendo-resize-sensor>
<ng-container #container></ng-container>
<!--adaptive rendering-->
<responsive-renderer
[sharedPopupActionSheetTemplate]="sharedPopupActionSheetTemplate"
[isActionSheetExpanded]="isActionSheetExpanded"
[title]="title"
[showTextInput]="true"
[subtitle]="subtitle"
(closePopup)="togglePopup(false)"
(textInputChange)="onAdaptiveTextBoxChange($event)"
(navigate)="handleNavigate($event)"
[placeholder]="placeholder"
>
</responsive-renderer>
<ng-template #sharedPopupActionSheetTemplate>
<!--header template-->
<ng-template *ngIf="headerTemplate"
[templateContext]="{
templateRef: headerTemplate.templateRef
}">
</ng-template>
<!--list-->
<kendo-list
#optionsList
[size]="size"
[rounded]="rounded"
[id]="listBoxId"
[optionPrefix]="optionPrefix"
[data]="data"
[textField]="textField"
[valueField]="valueField"
[template]="template"
[groupTemplate]="groupTemplate"
[fixedGroupTemplate]="fixedGroupTemplate"
[height]="listHeight"
[show]="isOpen"
[virtual]="virtual"
[showStickyHeader]="showStickyHeader"
(pageChange)="pageChange($event)"
>
</kendo-list>
<!--no-data template-->
<div class="k-no-data" *ngIf="data.length === 0">
<ng-template [ngIf]="noDataTemplate"
[templateContext]="{
templateRef: noDataTemplate ? noDataTemplate.templateRef : undefined
}">
</ng-template>
<ng-template [ngIf]="!noDataTemplate">
<div>{{ messageFor('noDataText') }}</div>
</ng-template>
</div>
<!--footer template-->
<ng-template *ngIf="footerTemplate"
[templateContext]="{
templateRef: footerTemplate.templateRef
}">
</ng-template>
</ng-template>
`, isInline: true, dependencies: [{ kind: "directive", type: LocalizedMessagesDirective, selector: "\n [kendoDropDownListLocalizedMessages],\n [kendoDropDownTreeLocalizedMessages],\n [kendoComboBoxLocalizedMessages],\n [kendoMultiColumnComboBoxLocalizedMessages],\n [kendoAutoCompleteLocalizedMessages],\n [kendoMultiSelectLocalizedMessages],\n [kendoMultiSelectTreeLocalizedMessages]\n " }, { kind: "directive", type: SharedDropDownEventsDirective, selector: "[kendoDropDownSharedEvents]", inputs: ["hostElement", "clearButtonClicked", "isFocused"], outputs: ["isFocusedChange", "onFocus", "handleBlur"] }, { kind: "directive", type: NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { kind: "directive", type: NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }, { kind: "component", type: SeparatorComponent, selector: "kendo-separator", inputs: ["orientation"] }, { kind: "component", type: SearchBarComponent, selector: "input[kendoSearchbar]", inputs: ["tagListId", "readonly", "disabled", "isRequired", "isSuggestable", "isFilterable", "userInput", "suggestedText", "inputAttributes", "id", "activeDescendant", "tabIndex", "isLoading", "ariaControls", "ariaExpanded", "placeholder"], outputs: ["valueChange", "onBlur", "onFocus", "onClick", "onNavigate"] }, { kind: "directive", type: EventsOutsideAngularDirective, selector: "[kendoEventsOutsideAngular]", inputs: ["kendoEventsOutsideAngular", "scope"] }, { kind: "component", type: IconWrapperComponent, selector: "kendo-icon-wrapper", inputs: ["name", "svgIcon", "innerCssClass", "customFontClass", "size"], exportAs: ["kendoIconWrapper"] }, { kind: "directive", type: NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }, { kind: "component", type: ResizeSensorComponent, selector: "kendo-resize-sensor", inputs: ["rateLimit"], outputs: ["resize"] }, { kind: "component", type: ResponsiveRendererComponent, selector: "responsive-renderer", inputs: ["title", "showActionButtons", "subtitle", "size", "showTextInput", "sharedPopupActionSheetTemplate", "isActionSheetExpanded", "text", "placeholder"], outputs: ["closePopup", "textInputChange", "navigate", "onExpand", "onCollapse", "onApply", "onCancel"] }, { kind: "directive", type: TemplateContextDirective, selector: "[templateContext]", inputs: ["templateContext"] }, { kind: "component", type: ListComponent, selector: "kendo-list", inputs: ["selected", "focused", "textField", "valueField", "height", "template", "groupTemplate", "fixedGroupTemplate", "show", "id", "optionPrefix", "multipleSelection", "virtual", "type", "checkboxes", "ariaLive", "isMultiselect", "isActionSheetExpanded", "showStickyHeader", "rowWidth", "data", "size", "rounded"], outputs: ["onClick", "pageChange", "listResize", "popupListScroll"] }] });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: ComboBoxComponent, decorators: [{
type: Component,
args: [{
exportAs: 'kendoComboBox',
providers: [
COMBOBOX_VALUE_ACCESSOR,
DataService,
SelectionService,
NavigationService,
DisabledItemsService,
LocalizationService,
{
provide: L10N_PREFIX,
useValue: 'kendo.combobox'
},
{
provide: FilterableComponent, useExisting: forwardRef(() => ComboBoxComponent)
},
{
provide: KendoInput, useExisting: forwardRef(() => ComboBoxComponent)
},
{
provide: MultiTabStop, useExisting: forwardRef(() => ComboBoxComponent)
}
],
selector: 'kendo-combobox',
template: `
<ng-container kendoComboBoxLocalizedMessages
i18n-noDataText="kendo.combobox.noDataText|The text displayed in the popup when there are no items"
noDataText="NO DATA FOUND"
i18n-clearTitle="kendo.combobox.clearTitle|The title of the clear button"
clearTitle="clear"
i18n-selectButtonText="kendo.combobox.selectButtonText|The text set as aria-label on the select button"
selectButtonText="Select"
i18n-popupLabel="kendo.combobox.popupLabel|The label of the popup element that contains the list of options when its role is 'region'"
popupLabel="Options list"
>
</ng-container>
<ng-container
kendoDropDownSharedEvents
[hostElement]="hostElement"
[(isFocused)]="isFocused"
(handleBlur)="handleBlur()"
(onFocus)="handleFocus()"
>
<span *ngIf="prefixTemplate" class="k-input-prefix k-input-prefix-horizontal">
<ng-template [ngTemplateOutlet]="prefixTemplate?.templateRef">
</ng-template>
</span>
<kendo-separator *ngIf="prefixTemplate && prefixTemplate.showSeparator"></kendo-separator>
<input
kendoSearchbar
[ariaExpanded]="isOpen"
[ariaControls]="ariaControls"
[id]="focusableId"
[isLoading]="loading"
[isSuggestable]="suggest"
[isFilterable]="filterable"
[activeDescendant]="activeDescendant"
[userInput]="text"
[suggestedText]="getSuggestion()"
[disabled]="disabled"
[readonly]="readonly || isAdaptive"
[tabIndex]="tabIndex"
[isRequired]="isControlRequired"
[placeholder]="placeholder"
[inputAttributes]="inputAttributes"
(onNavigate)="handleNavigate($event)"
(valueChange)="searchBarChange($event)"
(onBlur)="handleInputBlur()"
(onFocus)="handleInputFocus()"
(click)="handleClick()"
/>
<span
*ngIf="clearButton && !loading && !disabled && !readonly && text?.length"
class="k-clear-value"
[style.visibility]="clearButtonVisiblity"
aria-hidden="true"
[attr.title]="messageFor('clearTitle')"
(click)="clearValue($event)"
[kendoEventsOutsideAngular]="{
mousedown: preventEventDefault
}"
>
<kendo-icon-wrapper
name="x"
[svgIcon]="xIcon"
>
</kendo-icon-wrapper>
</span>
<span *ngIf="loading" class="k-i-loading k-input-loading-icon k-icon"></span>
<kendo-separator *ngIf="suffixTemplate && suffixTemplate.showSeparator"></kendo-separator>
<span *ngIf="suffixTemplate" class="k-input-suffix k-input-suffix-horizontal">
<ng-template [ngTemplateOutlet]="suffixTemplate?.templateRef">
</ng-template>
</span>
<button
#select
tabindex="-1"
unselectable="on"
type="button"
class="k-input-button k-button k-icon-button"
[ngClass]="selectButtonClasses"
[attr.aria-label]="messageFor('selectButtonText')"
[attr.disabled]="disabled ? '' : null"
(keydown.enter)="$event.stopImmediatePropagation();"
[kendoEventsOutsideAngular]="{
mousedown: preventEventDefault
}"
>
<kendo-icon-wrapper
[name]="icon || 'caret-alt-down'"
innerCssClass="k-button-icon"
[svgIcon]="svgIcon || caretAltDownIcon"
>
</kendo-icon-wrapper>
</button>
</ng-container>
<ng-template #popupTemplate>
<ng-container *ngTemplateOutlet="sharedPopupActionSheetTemplate"></ng-container>
</ng-template>
<kendo-resize-sensor *ngIf="isOpen || isAdaptiveModeEnabled" (resize)="onResize()"></kendo-resize-sensor>
<ng-container #container></ng-container>
<!--adaptive rendering-->
<responsive-renderer
[sharedPopupActionSheetTemplate]="sharedPopupActionSheetTemplate"
[isActionSheetExpanded]="isActionSheetExpanded"
[title]="title"
[showTextInput]="true"
[subtitle]="subtitle"
(closePopup)="togglePopup(false)"
(textInputChange)="onAdaptiveTextBoxChange($event)"
(navigate)="handleNavigate($event)"
[placeholder]="placeholder"
>
</responsive-renderer>
<ng-template #sharedPopupActionSheetTemplate>
<!--header template-->
<ng-template *ngIf="headerTemplate"
[templateContext]="{
templateRef: headerTemplate.templateRef
}">
</ng-template>
<!--list-->
<kendo-list
#optionsList
[size]="size"
[rounded]="rounded"
[id]="listBoxId"
[optionPrefix]="optionPrefix"
[data]="data"
[textField]="textField"
[valueField]="valueField"
[template]="template"
[groupTemplate]="groupTemplate"
[fixedGroupTemplate]="fixedGroupTemplate"
[height]="listHeight"
[show]="isOpen"
[virtual]="virtual"
[showStickyHeader]="showStickyHeader"
(pageChange)="pageChange($event)"
>
</kendo-list>
<!--no-data template-->
<div class="k-no-data" *ngIf="data.length === 0">
<ng-template [ngIf]="noDataTemplate"
[templateContext]="{
templateRef: noDataTemplate ? noDataTemplate.templateRef : undefined
}">
</ng-template>
<ng-template [ngIf]="!noDataTemplate">
<div>{{ messageFor('noDataText') }}</div>
</ng-template>
</div>
<!--footer template-->
<ng-template *ngIf="footerTemplate"
[templateContext]="{
templateRef: footerTemplate.templateRef
}">
</ng-template>
</ng-template>
`,
standalone: true,
imports: [LocalizedMessagesDirective, SharedDropDownEventsDirective, NgIf, NgTemplateOutlet, SeparatorComponent, SearchBarComponent, EventsOutsideAngularDirective, IconWrapperComponent, NgClass, ResizeSensorComponent, ResponsiveRendererComponent, TemplateContextDirective, ListComponent]
}]
}], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i1.LocalizationService }, { type: i2.PopupService }, { type: i3.SelectionService }, { type: i4.NavigationService }, { type: i5.DisabledItemsService }, { type: i6.DataService }, { type: i0.NgZone }, { type: i0.ChangeDetectorRef }, { type: i0.Renderer2 }, { type: i0.Injector }, { type: i0.ElementRef }, { type: i7.AdaptiveService }]; }, propDecorators: { icon: [{
type: Input
}], svgIcon: [{
type: Input
}], inputAttributes: [{
type: Input
}], responsiveRendererComponent: [{
type: ViewChild,
args: [ResponsiveRendererComponent]
}], showStickyHeader: [{
type: Input
}], focusableId: [{
type: Input
}], allowCustom: [{
type: Input
}], data: [{
type: Input
}], value: [{
type: Input
}], textField: [{
type: Input
}], valueField: [{
type: Input
}], valuePrimitive: [{
type: Input
}], valueNormalizer: [{
type: Input
}], placeholder: [{
type: Input
}], adaptiveMode: [{
type: Input
}], title: [{
type: Input
}], subtitle: [{
type: Input
}], popupSettings: [{
type: Input
}], listHeight: [{
type: Input
}], loading: [{
type: Input
}], suggest: [{
type: Input
}], clearButton: [{
type: Input
}], disabled: [{
type: Input
}], itemDisabled: [{
type: Input
}], readonly: [{
type: Input
}, {
type: HostBinding,
args: ['class.k-readonly']
}], tabindex: [{
type: Input
}], tabIndex: [{
type: Input,
args: ["tabIndex"]
}], filterable: [{
type: Input
}], virtual: [{
type: Input
}], size: [{
type: Input
}], rounded: [{
type: Input
}], fillMode: [{
type: Input
}], valueChange: [{
type: Output
}], selectionChange: [{
type: Output
}], filterChange: [{
type: Output
}], open: [{
type: Output
}], opened: [{
type: Output
}], close: [{
type: Output
}], closed: [{
type: Output
}], onFocus: [{
type: Output,
args: ['focus']
}], onBlur: [{
type: Output,
args: ['blur']
}], inputFocus: [{
type: Output
}], inputBlur: [{
type: Output
}], escape: [{
type: Output
}], template: [{
type: ContentChild,
args: [ItemTemplateDirective, { static: false }]
}], headerTemplate: [{
type: ContentChild,
args: [HeaderTemplateDirective, { static: false }]
}], footerTemplate: [{
type: ContentChild,
args: [FooterTemplateDirective, { static: false }]
}], noDataTemplate: [{
type: ContentChild,
args: [NoDataTemplateDirective, { static: false }]
}], groupTemplate: [{
type: ContentChild,
args: [GroupTemplateDirective, { static: false }]
}], fixedGroupTemplate: [{
type: ContentChild,
args: [FixedGroupTemplateDirective, { static: false }]
}], suffixTemplate: [{
type: ContentChild,
args: [SuffixTemplateDirective]
}], prefixTemplate: [{
type: ContentChild,
args: [PrefixTemplateDirective]
}], container: [{
type: ViewChild,
args: ['container', { read: ViewContainerRef, static: true }]
}], popupTemplate: [{
type: ViewChild,
args: ['popupTemplate', { static: true }]
}], searchbar: [{
type: ViewChild,
args: [SearchBarComponent, { static: true }]
}], optionsList: [{
type: ViewChild,
args: ['optionsList', { static: false }]
}], select: [{
type: ViewChild,
args: ['select', { static: true }]
}], widgetClasses: [{
type: HostBinding,
args: ['class.k-combobox']
}, {
type: HostBinding,
args: ['class.k-input']
}], isDisabled: [{
type: HostBinding,
args: ['class.k-disabled']
}], isLoading: [{
type: HostBinding,
args: ['class.k-loading']
}], dir: [{
type: HostBinding,
args: ['attr.dir']
}] } });