ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
1,030 lines (1,028 loc) • 123 kB
JavaScript
import { __decorate } from "tslib";
import { BACKSPACE, DOWN_ARROW, ENTER, ESCAPE, LEFT_ARROW, RIGHT_ARROW, UP_ARROW } from '@angular/cdk/keycodes';
import { CdkConnectedOverlay, OverlayModule } from '@angular/cdk/overlay';
import { _getEventTarget } from '@angular/cdk/platform';
import { NgClass, NgStyle, NgTemplateOutlet } from '@angular/common';
import { ChangeDetectionStrategy, Component, EventEmitter, HostListener, Input, Output, ViewChild, ViewChildren, ViewEncapsulation, booleanAttribute, forwardRef, inject, numberAttribute } from '@angular/core';
import { FormsModule, NG_VALUE_ACCESSOR } from '@angular/forms';
import { BehaviorSubject, EMPTY, Observable, fromEvent, of as observableOf } from 'rxjs';
import { distinctUntilChanged, map, startWith, switchMap, takeUntil, withLatestFrom } from 'rxjs/operators';
import { slideMotion } from 'ng-zorro-antd/core/animation';
import { WithConfig } from 'ng-zorro-antd/core/config';
import { NzFormNoStatusService, NzFormPatchModule, NzFormStatusService } from 'ng-zorro-antd/core/form';
import { NzNoAnimationDirective } from 'ng-zorro-antd/core/no-animation';
import { DEFAULT_CASCADER_POSITIONS, NzOverlayModule } from 'ng-zorro-antd/core/overlay';
import { NzDestroyService } from 'ng-zorro-antd/core/services';
import { getStatusClassNames, toArray } from 'ng-zorro-antd/core/util';
import { NzEmptyModule } from 'ng-zorro-antd/empty';
import { NzIconModule } from 'ng-zorro-antd/icon';
import { NzCascaderOptionComponent } from './cascader-li.component';
import { NzCascaderService } from './cascader.service';
import * as i0 from "@angular/core";
import * as i1 from "./cascader.service";
import * as i2 from "ng-zorro-antd/core/config";
import * as i3 from "ng-zorro-antd/i18n";
import * as i4 from "ng-zorro-antd/core/services";
import * as i5 from "@angular/cdk/bidi";
import * as i6 from "@angular/cdk/overlay";
import * as i7 from "@angular/forms";
import * as i8 from "ng-zorro-antd/icon";
import * as i9 from "ng-zorro-antd/core/form";
import * as i10 from "ng-zorro-antd/core/overlay";
import * as i11 from "ng-zorro-antd/empty";
const NZ_CONFIG_MODULE_NAME = 'cascader';
const defaultDisplayRender = (labels) => labels.join(' / ');
export class NzCascaderComponent {
set input(input) {
this.input$.next(input);
}
get input() {
return this.input$.getValue();
}
get nzOptions() {
return this.cascaderService.nzOptions;
}
set nzOptions(options) {
this.cascaderService.withOptions(options);
}
get inSearchingMode() {
return this.cascaderService.inSearchingMode;
}
set inputValue(inputValue) {
this.inputString = inputValue;
this.toggleSearchingMode(!!inputValue);
}
get inputValue() {
return this.inputString;
}
get menuCls() {
return { [`${this.nzMenuClassName}`]: !!this.nzMenuClassName };
}
get menuColumnCls() {
return { [`${this.nzColumnClassName}`]: !!this.nzColumnClassName };
}
get hasInput() {
return !!this.inputValue;
}
get hasValue() {
return this.cascaderService.values && this.cascaderService.values.length > 0;
}
get showLabelRender() {
return this.hasValue;
}
get showPlaceholder() {
return !(this.hasInput || this.hasValue);
}
get clearIconVisible() {
return this.nzAllowClear && !this.nzDisabled && (this.hasValue || this.hasInput);
}
get isLabelRenderTemplate() {
return !!this.nzLabelRender;
}
constructor(cascaderService, nzConfigService, ngZone, cdr, i18nService, destroy$, elementRef, renderer, directionality) {
this.cascaderService = cascaderService;
this.nzConfigService = nzConfigService;
this.ngZone = ngZone;
this.cdr = cdr;
this.i18nService = i18nService;
this.destroy$ = destroy$;
this.elementRef = elementRef;
this.renderer = renderer;
this.directionality = directionality;
this._nzModuleName = NZ_CONFIG_MODULE_NAME;
/** Used to store the native `<input type="search" />` element since it might be set asynchronously. */
this.input$ = new BehaviorSubject(undefined);
this.nzOptionRender = null;
this.nzShowInput = true;
this.nzShowArrow = true;
this.nzAllowClear = true;
this.nzAutoFocus = false;
this.nzChangeOnSelect = false;
this.nzDisabled = false;
this.nzExpandTrigger = 'click';
this.nzValueProperty = 'value';
this.nzLabelRender = null;
this.nzLabelProperty = 'label';
this.nzSize = 'default';
this.nzBackdrop = false;
this.nzShowSearch = false;
this.nzPlaceHolder = '';
this.nzMenuStyle = null;
this.nzMouseEnterDelay = 150; // ms
this.nzMouseLeaveDelay = 150; // ms
this.nzStatus = '';
this.nzTriggerAction = ['click'];
// TODO: RTL
this.nzSuffixIcon = 'down';
this.nzExpandIcon = '';
this.nzVisibleChange = new EventEmitter();
this.nzSelectionChange = new EventEmitter();
this.nzSelect = new EventEmitter();
this.nzClear = new EventEmitter();
this.prefixCls = 'ant-select';
this.statusCls = {};
this.status = '';
this.hasFeedback = false;
/**
* If the dropdown should show the empty content.
* `true` if there's no options.
*/
this.shouldShowEmpty = false;
this.menuVisible = false;
this.isLoading = false;
this.labelRenderContext = {};
this.onChange = Function.prototype;
this.onTouched = Function.prototype;
this.positions = [...DEFAULT_CASCADER_POSITIONS];
this.dropdownHeightStyle = '';
this.isFocused = false;
this.dir = 'ltr';
this.isComposing = false;
this.inputString = '';
this.isOpening = false;
this.isNzDisableFirstChange = true;
this.noAnimation = inject(NzNoAnimationDirective, { host: true, optional: true });
this.nzFormStatusService = inject(NzFormStatusService, { optional: true });
this.nzFormNoStatusService = inject(NzFormNoStatusService, { optional: true });
this.el = elementRef.nativeElement;
this.cascaderService.withComponent(this);
this.renderer.addClass(this.elementRef.nativeElement, 'ant-select');
this.renderer.addClass(this.elementRef.nativeElement, 'ant-cascader');
}
ngOnInit() {
this.nzFormStatusService?.formStatusChanges
.pipe(distinctUntilChanged((pre, cur) => {
return pre.status === cur.status && pre.hasFeedback === cur.hasFeedback;
}), withLatestFrom(this.nzFormNoStatusService ? this.nzFormNoStatusService.noFormStatus : observableOf(false)), map(([{ status, hasFeedback }, noStatus]) => ({ status: noStatus ? '' : status, hasFeedback })), takeUntil(this.destroy$))
.subscribe(({ status, hasFeedback }) => {
this.setStatusStyles(status, hasFeedback);
});
const srv = this.cascaderService;
srv.$redraw.pipe(takeUntil(this.destroy$)).subscribe(() => {
// These operations would not mutate data.
this.checkChildren();
this.setDisplayLabel();
this.cdr.detectChanges();
this.reposition();
this.setDropdownStyles();
});
srv.$loading.pipe(takeUntil(this.destroy$)).subscribe(loading => {
this.isLoading = loading;
});
srv.$optionSelected.pipe(takeUntil(this.destroy$)).subscribe(data => {
if (!data) {
this.onChange([]);
this.nzSelect.emit(null);
this.nzSelectionChange.emit([]);
}
else {
const { option, index } = data;
const shouldClose = option.isLeaf || (this.nzChangeOnSelect && this.nzExpandTrigger === 'hover');
if (shouldClose) {
this.delaySetMenuVisible(false);
}
this.onChange(this.cascaderService.values);
this.nzSelectionChange.emit(this.cascaderService.selectedOptions);
this.nzSelect.emit({ option, index });
this.cdr.markForCheck();
}
});
srv.$quitSearching.pipe(takeUntil(this.destroy$)).subscribe(() => {
this.inputString = '';
this.dropdownWidthStyle = '';
});
this.i18nService.localeChange.pipe(startWith(), takeUntil(this.destroy$)).subscribe(() => {
this.setLocale();
});
this.nzConfigService
.getConfigChangeEventForComponent(NZ_CONFIG_MODULE_NAME)
.pipe(takeUntil(this.destroy$))
.subscribe(() => {
this.cdr.markForCheck();
});
this.dir = this.directionality.value;
this.directionality.change.pipe(takeUntil(this.destroy$)).subscribe(() => {
this.dir = this.directionality.value;
srv.$redraw.next();
});
this.setupChangeListener();
this.setupKeydownListener();
}
ngOnChanges(changes) {
const { nzStatus } = changes;
if (nzStatus) {
this.setStatusStyles(this.nzStatus, this.hasFeedback);
}
}
ngOnDestroy() {
this.clearDelayMenuTimer();
this.clearDelaySelectTimer();
}
registerOnChange(fn) {
this.onChange = fn;
}
registerOnTouched(fn) {
this.onTouched = fn;
}
writeValue(value) {
this.cascaderService.values = toArray(value);
this.cascaderService.syncOptions(true);
}
delaySetMenuVisible(visible, delay = 100, setOpening = false) {
this.clearDelayMenuTimer();
if (delay) {
if (visible && setOpening) {
this.isOpening = true;
}
this.delayMenuTimer = setTimeout(() => {
this.setMenuVisible(visible);
this.cdr.detectChanges();
this.clearDelayMenuTimer();
if (visible) {
setTimeout(() => {
this.isOpening = false;
}, 100);
}
}, delay);
}
else {
this.setMenuVisible(visible);
}
}
setMenuVisible(visible) {
if (this.nzDisabled || this.menuVisible === visible) {
return;
}
if (visible) {
this.cascaderService.syncOptions();
this.scrollToActivatedOptions();
}
if (!visible) {
this.inputValue = '';
}
this.menuVisible = visible;
this.nzVisibleChange.emit(visible);
this.cdr.detectChanges();
}
clearDelayMenuTimer() {
if (this.delayMenuTimer) {
clearTimeout(this.delayMenuTimer);
this.delayMenuTimer = undefined;
}
}
clearSelection(event) {
if (event) {
event.preventDefault();
event.stopPropagation();
}
this.labelRenderText = '';
this.labelRenderContext = {};
this.inputValue = '';
this.setMenuVisible(false);
this.cascaderService.clear();
this.nzClear.emit();
}
getSubmitValue() {
return this.cascaderService.selectedOptions.map(o => this.cascaderService.getOptionValue(o));
}
focus() {
if (!this.isFocused) {
(this.input?.nativeElement || this.el).focus();
this.isFocused = true;
}
}
blur() {
if (this.isFocused) {
(this.input?.nativeElement || this.el).blur();
this.isFocused = false;
}
}
handleInputBlur() {
this.menuVisible ? this.focus() : this.blur();
}
handleInputFocus() {
this.focus();
}
handleInputCompositionstart() {
this.isComposing = true;
}
handleInputCompositionend() {
this.isComposing = false;
}
onTriggerClick() {
if (this.nzDisabled) {
return;
}
if (this.nzShowSearch) {
this.focus();
}
if (this.isActionTrigger('click')) {
this.delaySetMenuVisible(!this.menuVisible, 100);
}
this.onTouched();
}
onTriggerMouseEnter() {
if (this.nzDisabled || !this.isActionTrigger('hover')) {
return;
}
this.delaySetMenuVisible(true, this.nzMouseEnterDelay, true);
}
onTriggerMouseLeave(event) {
if (this.nzDisabled || !this.menuVisible || this.isOpening || !this.isActionTrigger('hover')) {
event.preventDefault();
return;
}
const mouseTarget = event.relatedTarget;
const hostEl = this.el;
const menuEl = this.menu && this.menu.nativeElement;
if (hostEl.contains(mouseTarget) || (menuEl && menuEl.contains(mouseTarget))) {
return;
}
this.delaySetMenuVisible(false, this.nzMouseLeaveDelay);
}
onOptionMouseEnter(option, columnIndex, event) {
event.preventDefault();
if (this.nzExpandTrigger === 'hover') {
if (!option.isLeaf) {
this.delaySetOptionActivated(option, columnIndex, false);
}
else {
this.cascaderService.setOptionDeactivatedSinceColumn(columnIndex);
}
}
}
onOptionMouseLeave(option, _columnIndex, event) {
event.preventDefault();
if (this.nzExpandTrigger === 'hover' && !option.isLeaf) {
this.clearDelaySelectTimer();
}
}
onOptionClick(option, columnIndex, event) {
if (event) {
event.preventDefault();
}
if (option && option.disabled) {
return;
}
this.el.focus();
this.inSearchingMode
? this.cascaderService.setSearchOptionSelected(option)
: this.cascaderService.setOptionActivated(option, columnIndex, true);
}
onClickOutside(event) {
const target = _getEventTarget(event);
if (!this.el.contains(target)) {
this.closeMenu();
}
}
isActionTrigger(action) {
return typeof this.nzTriggerAction === 'string'
? this.nzTriggerAction === action
: this.nzTriggerAction.indexOf(action) !== -1;
}
onEnter() {
const columnIndex = Math.max(this.cascaderService.activatedOptions.length - 1, 0);
const option = this.cascaderService.activatedOptions[columnIndex];
if (option && !option.disabled) {
this.inSearchingMode
? this.cascaderService.setSearchOptionSelected(option)
: this.cascaderService.setOptionActivated(option, columnIndex, true);
}
}
moveUpOrDown(isUp) {
const columnIndex = Math.max(this.cascaderService.activatedOptions.length - 1, 0);
const activeOption = this.cascaderService.activatedOptions[columnIndex];
const options = this.cascaderService.columns[columnIndex] || [];
const length = options.length;
let nextIndex = -1;
if (!activeOption) {
// Not selected options in this column
nextIndex = isUp ? length : -1;
}
else {
nextIndex = options.indexOf(activeOption);
}
while (true) {
nextIndex = isUp ? nextIndex - 1 : nextIndex + 1;
if (nextIndex < 0 || nextIndex >= length) {
break;
}
const nextOption = options[nextIndex];
if (!nextOption || nextOption.disabled) {
continue;
}
this.cascaderService.setOptionActivated(nextOption, columnIndex);
break;
}
}
moveLeft() {
const options = this.cascaderService.activatedOptions;
if (options.length) {
options.pop(); // Remove the last one
}
}
moveRight() {
const length = this.cascaderService.activatedOptions.length;
const options = this.cascaderService.columns[length];
if (options && options.length) {
const nextOpt = options.find(o => !o.disabled);
if (nextOpt) {
this.cascaderService.setOptionActivated(nextOpt, length);
}
}
}
clearDelaySelectTimer() {
if (this.delaySelectTimer) {
clearTimeout(this.delaySelectTimer);
this.delaySelectTimer = undefined;
}
}
delaySetOptionActivated(option, columnIndex, performSelect) {
this.clearDelaySelectTimer();
this.delaySelectTimer = setTimeout(() => {
this.cascaderService.setOptionActivated(option, columnIndex, performSelect);
this.delaySelectTimer = undefined;
}, 150);
}
toggleSearchingMode(toSearching) {
if (this.inSearchingMode !== toSearching) {
this.cascaderService.toggleSearchingMode(toSearching);
}
if (this.inSearchingMode) {
this.cascaderService.prepareSearchOptions(this.inputValue);
}
}
isOptionActivated(option, index) {
const activeOpt = this.cascaderService.activatedOptions[index];
return activeOpt === option;
}
setDisabledState(isDisabled) {
this.nzDisabled = (this.isNzDisableFirstChange && this.nzDisabled) || isDisabled;
this.isNzDisableFirstChange = false;
if (this.nzDisabled) {
this.closeMenu();
}
}
closeMenu() {
this.blur();
this.clearDelayMenuTimer();
this.setMenuVisible(false);
}
/**
* Reposition the cascader panel. When a menu opens, the cascader expands
* and may exceed the boundary of browser's window.
*/
reposition() {
if (this.overlay && this.overlay.overlayRef && this.menuVisible) {
Promise.resolve().then(() => {
this.overlay.overlayRef.updatePosition();
this.cdr.markForCheck();
});
}
}
/**
* When a cascader options is changed, a child needs to know that it should re-render.
*/
checkChildren() {
if (this.cascaderItems) {
this.cascaderItems.forEach(item => item.markForCheck());
}
}
setDisplayLabel() {
const selectedOptions = this.cascaderService.selectedOptions;
const labels = selectedOptions.map(o => this.cascaderService.getOptionLabel(o));
if (this.isLabelRenderTemplate) {
this.labelRenderContext = { labels, selectedOptions };
}
this.labelRenderText = defaultDisplayRender.call(this, labels);
}
setDropdownStyles() {
const firstColumn = this.cascaderService.columns[0];
this.shouldShowEmpty =
(this.inSearchingMode && (!firstColumn || !firstColumn.length)) || // Should show empty when there's no searching result
(!(this.nzOptions && this.nzOptions.length) && !this.nzLoadData); // Should show when there's no options and developer does not use nzLoadData
this.dropdownHeightStyle = this.shouldShowEmpty ? 'auto' : '';
if (this.input) {
this.dropdownWidthStyle =
this.inSearchingMode || this.shouldShowEmpty ? `${this.selectContainer.nativeElement.offsetWidth}px` : '';
}
}
setStatusStyles(status, hasFeedback) {
// set inner status
this.status = status;
this.hasFeedback = hasFeedback;
this.cdr.markForCheck();
// render status if nzStatus is set
this.statusCls = getStatusClassNames(this.prefixCls, status, hasFeedback);
Object.keys(this.statusCls).forEach(status => {
if (this.statusCls[status]) {
this.renderer.addClass(this.elementRef.nativeElement, status);
}
else {
this.renderer.removeClass(this.elementRef.nativeElement, status);
}
});
}
setLocale() {
this.locale = this.i18nService.getLocaleData('global');
this.cdr.markForCheck();
}
scrollToActivatedOptions() {
// The `scrollIntoView` is a native DOM API, which doesn't require Angular to run
// a change detection when a promise microtask is resolved.
this.ngZone.runOutsideAngular(() => {
Promise.resolve().then(() => {
// scroll only until option menu view is ready
this.cascaderItems
.toArray()
.filter(e => e.activated)
.forEach(e => {
e.nativeElement.scrollIntoView({ block: 'start', inline: 'nearest' });
});
});
});
}
setupChangeListener() {
this.input$
.pipe(switchMap(input => input
? new Observable(subscriber => this.ngZone.runOutsideAngular(() => fromEvent(input.nativeElement, 'change').subscribe(subscriber)))
: EMPTY), takeUntil(this.destroy$))
.subscribe(event => event.stopPropagation());
}
setupKeydownListener() {
this.ngZone.runOutsideAngular(() => {
fromEvent(this.el, 'keydown')
.pipe(takeUntil(this.destroy$))
.subscribe(event => {
const keyCode = event.keyCode;
if (keyCode !== DOWN_ARROW &&
keyCode !== UP_ARROW &&
keyCode !== LEFT_ARROW &&
keyCode !== RIGHT_ARROW &&
keyCode !== ENTER &&
keyCode !== BACKSPACE &&
keyCode !== ESCAPE) {
return;
}
// Press any keys above to reopen menu.
if (!this.menuVisible && keyCode !== BACKSPACE && keyCode !== ESCAPE) {
// The `setMenuVisible` runs `detectChanges()`, so we don't need to run `markForCheck()` additionally.
return this.ngZone.run(() => this.setMenuVisible(true));
}
// Make these keys work as default in searching mode.
if (this.inSearchingMode && (keyCode === BACKSPACE || keyCode === LEFT_ARROW || keyCode === RIGHT_ARROW)) {
return;
}
if (!this.menuVisible) {
return;
}
event.preventDefault();
this.ngZone.run(() => {
// Interact with the component.
if (keyCode === DOWN_ARROW) {
this.moveUpOrDown(false);
}
else if (keyCode === UP_ARROW) {
this.moveUpOrDown(true);
}
else if (keyCode === LEFT_ARROW) {
this.moveLeft();
}
else if (keyCode === RIGHT_ARROW) {
this.moveRight();
}
else if (keyCode === ENTER) {
this.onEnter();
}
// `@HostListener`s run `markForCheck()` internally before calling the actual handler so
// we call `markForCheck()` to be backwards-compatible.
this.cdr.markForCheck();
});
});
});
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.1.2", ngImport: i0, type: NzCascaderComponent, deps: [{ token: i1.NzCascaderService }, { token: i2.NzConfigService }, { token: i0.NgZone }, { token: i0.ChangeDetectorRef }, { token: i3.NzI18nService }, { token: i4.NzDestroyService }, { token: i0.ElementRef }, { token: i0.Renderer2 }, { token: i5.Directionality }], target: i0.ɵɵFactoryTarget.Component }); }
static { this.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "17.0.0", version: "18.1.2", type: NzCascaderComponent, isStandalone: true, selector: "nz-cascader, [nz-cascader]", inputs: { nzOptionRender: "nzOptionRender", nzShowInput: ["nzShowInput", "nzShowInput", booleanAttribute], nzShowArrow: ["nzShowArrow", "nzShowArrow", booleanAttribute], nzAllowClear: ["nzAllowClear", "nzAllowClear", booleanAttribute], nzAutoFocus: ["nzAutoFocus", "nzAutoFocus", booleanAttribute], nzChangeOnSelect: ["nzChangeOnSelect", "nzChangeOnSelect", booleanAttribute], nzDisabled: ["nzDisabled", "nzDisabled", booleanAttribute], nzColumnClassName: "nzColumnClassName", nzExpandTrigger: "nzExpandTrigger", nzValueProperty: "nzValueProperty", nzLabelRender: "nzLabelRender", nzLabelProperty: "nzLabelProperty", nzNotFoundContent: "nzNotFoundContent", nzSize: "nzSize", nzBackdrop: "nzBackdrop", nzShowSearch: "nzShowSearch", nzPlaceHolder: "nzPlaceHolder", nzMenuClassName: "nzMenuClassName", nzMenuStyle: "nzMenuStyle", nzMouseEnterDelay: ["nzMouseEnterDelay", "nzMouseEnterDelay", numberAttribute], nzMouseLeaveDelay: ["nzMouseLeaveDelay", "nzMouseLeaveDelay", numberAttribute], nzStatus: "nzStatus", nzTriggerAction: "nzTriggerAction", nzChangeOn: "nzChangeOn", nzLoadData: "nzLoadData", nzSuffixIcon: "nzSuffixIcon", nzExpandIcon: "nzExpandIcon", nzOptions: "nzOptions" }, outputs: { nzVisibleChange: "nzVisibleChange", nzSelectionChange: "nzSelectionChange", nzSelect: "nzSelect", nzClear: "nzClear" }, host: { listeners: { "click": "onTriggerClick()", "mouseenter": "onTriggerMouseEnter()", "mouseleave": "onTriggerMouseLeave($event)" }, properties: { "attr.tabIndex": "\"0\"", "class.ant-select-in-form-item": "!!nzFormStatusService", "class.ant-select-lg": "nzSize === \"large\"", "class.ant-select-sm": "nzSize === \"small\"", "class.ant-select-allow-clear": "nzAllowClear", "class.ant-select-show-arrow": "nzShowArrow", "class.ant-select-show-search": "!!nzShowSearch", "class.ant-select-disabled": "nzDisabled", "class.ant-select-open": "menuVisible", "class.ant-select-focused": "isFocused", "class.ant-select-single": "true", "class.ant-select-rtl": "dir === 'rtl'" } }, providers: [
{
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef(() => NzCascaderComponent),
multi: true
},
NzCascaderService,
NzDestroyService
], viewQueries: [{ propertyName: "selectContainer", first: true, predicate: ["selectContainer"], descendants: true }, { propertyName: "input", first: true, predicate: ["input"], descendants: true }, { propertyName: "menu", first: true, predicate: ["menu"], descendants: true }, { propertyName: "overlay", first: true, predicate: CdkConnectedOverlay, descendants: true }, { propertyName: "cascaderItems", predicate: NzCascaderOptionComponent, descendants: true }], exportAs: ["nzCascader"], usesOnChanges: true, ngImport: i0, template: `
<div cdkOverlayOrigin #origin="cdkOverlayOrigin" #trigger>
@if (nzShowInput) {
<div #selectContainer class="ant-select-selector">
<span class="ant-select-selection-search">
<input
#input
type="search"
class="ant-select-selection-search-input"
[style.opacity]="nzShowSearch ? '' : '0'"
[attr.autoComplete]="'off'"
[attr.expanded]="menuVisible"
[attr.autofocus]="nzAutoFocus ? 'autofocus' : null"
[readonly]="!nzShowSearch"
[disabled]="nzDisabled"
[(ngModel)]="inputValue"
(blur)="handleInputBlur()"
(focus)="handleInputFocus()"
(compositionstart)="handleInputCompositionstart()"
(compositionend)="handleInputCompositionend()"
/>
</span>
@if (showLabelRender) {
<span class="ant-select-selection-item" [title]="labelRenderText">
@if (!isLabelRenderTemplate) {
<ng-container>{{ labelRenderText }}</ng-container>
} @else {
<ng-template
[ngTemplateOutlet]="nzLabelRender"
[ngTemplateOutletContext]="labelRenderContext"
></ng-template>
}
</span>
} @else {
<span
class="ant-select-selection-placeholder"
[style.visibility]="isComposing || inputValue ? 'hidden' : 'visible'"
>{{ showPlaceholder ? nzPlaceHolder || locale?.placeholder : null }}</span
>
}
</div>
@if (nzShowArrow) {
<span class="ant-select-arrow" [class.ant-select-arrow-loading]="isLoading">
@if (!isLoading) {
<span nz-icon [nzType]="$any(nzSuffixIcon)" [class.ant-cascader-picker-arrow-expand]="menuVisible"></span>
} @else {
<span nz-icon nzType="loading"></span>
}
@if (hasFeedback && !!status) {
<nz-form-item-feedback-icon [status]="status" />
}
</span>
}
@if (clearIconVisible) {
<span class="ant-select-clear">
<span nz-icon nzType="close-circle" nzTheme="fill" (click)="clearSelection($event)"></span>
</span>
}
}
<ng-content></ng-content>
</div>
<ng-template
cdkConnectedOverlay
nzConnectedOverlay
[cdkConnectedOverlayHasBackdrop]="nzBackdrop"
[cdkConnectedOverlayOrigin]="origin"
[cdkConnectedOverlayPositions]="positions"
[cdkConnectedOverlayTransformOriginOn]="'.ant-cascader-dropdown'"
[cdkConnectedOverlayOpen]="menuVisible"
(overlayOutsideClick)="onClickOutside($event)"
(detach)="closeMenu()"
>
<div
class="ant-select-dropdown ant-cascader-dropdown ant-select-dropdown-placement-bottomLeft"
[class.ant-cascader-dropdown-rtl]="dir === 'rtl'"
[@slideMotion]="'enter'"
[@.disabled]="!!noAnimation?.nzNoAnimation"
[nzNoAnimation]="noAnimation?.nzNoAnimation"
(mouseenter)="onTriggerMouseEnter()"
(mouseleave)="onTriggerMouseLeave($event)"
>
<div
#menu
class="ant-cascader-menus"
[class.ant-cascader-rtl]="dir === 'rtl'"
[class.ant-cascader-menus-hidden]="!menuVisible"
[class.ant-cascader-menu-empty]="shouldShowEmpty"
[ngClass]="menuCls"
[ngStyle]="nzMenuStyle"
>
@if (shouldShowEmpty) {
<ul class="ant-cascader-menu" [style.width]="dropdownWidthStyle" [style.height]="dropdownHeightStyle">
<li class="ant-cascader-menu-item ant-cascader-menu-item-disabled">
<nz-embed-empty
class="ant-cascader-menu-item-content"
[nzComponentName]="'cascader'"
[specificContent]="nzNotFoundContent"
/>
</li>
</ul>
} @else {
@for (options of cascaderService.columns; track options; let i = $index) {
<ul
class="ant-cascader-menu"
role="menuitemcheckbox"
[ngClass]="menuColumnCls"
[style.height]="dropdownHeightStyle"
[style.width]="dropdownWidthStyle"
>
@for (option of options; track option.value) {
<li
nz-cascader-option
[expandIcon]="nzExpandIcon"
[columnIndex]="i"
[nzLabelProperty]="nzLabelProperty"
[optionTemplate]="nzOptionRender"
[activated]="isOptionActivated(option, i)"
[highlightText]="inSearchingMode ? inputValue : ''"
[option]="option"
[dir]="dir"
(mouseenter)="onOptionMouseEnter(option, i, $event)"
(mouseleave)="onOptionMouseLeave(option, i, $event)"
(click)="onOptionClick(option, i, $event)"
></li>
}
</ul>
}
}
</div>
</div>
</ng-template>
`, isInline: true, dependencies: [{ kind: "ngmodule", type: OverlayModule }, { kind: "directive", type: i6.CdkConnectedOverlay, selector: "[cdk-connected-overlay], [connected-overlay], [cdkConnectedOverlay]", inputs: ["cdkConnectedOverlayOrigin", "cdkConnectedOverlayPositions", "cdkConnectedOverlayPositionStrategy", "cdkConnectedOverlayOffsetX", "cdkConnectedOverlayOffsetY", "cdkConnectedOverlayWidth", "cdkConnectedOverlayHeight", "cdkConnectedOverlayMinWidth", "cdkConnectedOverlayMinHeight", "cdkConnectedOverlayBackdropClass", "cdkConnectedOverlayPanelClass", "cdkConnectedOverlayViewportMargin", "cdkConnectedOverlayScrollStrategy", "cdkConnectedOverlayOpen", "cdkConnectedOverlayDisableClose", "cdkConnectedOverlayTransformOriginOn", "cdkConnectedOverlayHasBackdrop", "cdkConnectedOverlayLockPosition", "cdkConnectedOverlayFlexibleDimensions", "cdkConnectedOverlayGrowAfterOpen", "cdkConnectedOverlayPush", "cdkConnectedOverlayDisposeOnNavigation"], outputs: ["backdropClick", "positionChange", "attach", "detach", "overlayKeydown", "overlayOutsideClick"], exportAs: ["cdkConnectedOverlay"] }, { kind: "directive", type: i6.CdkOverlayOrigin, selector: "[cdk-overlay-origin], [overlay-origin], [cdkOverlayOrigin]", exportAs: ["cdkOverlayOrigin"] }, { kind: "directive", type: i5.Dir, selector: "[dir]", inputs: ["dir"], outputs: ["dirChange"], exportAs: ["dir"] }, { kind: "ngmodule", type: FormsModule }, { kind: "directive", type: i7.DefaultValueAccessor, selector: "input:not([type=checkbox])[formControlName],textarea[formControlName],input:not([type=checkbox])[formControl],textarea[formControl],input:not([type=checkbox])[ngModel],textarea[ngModel],[ngDefaultControl]" }, { kind: "directive", type: i7.NgControlStatus, selector: "[formControlName],[ngModel],[formControl]" }, { kind: "directive", type: i7.NgModel, selector: "[ngModel]:not([formControlName]):not([formControl])", inputs: ["name", "disabled", "ngModel", "ngModelOptions"], outputs: ["ngModelChange"], exportAs: ["ngModel"] }, { kind: "directive", type: NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }, { kind: "ngmodule", type: NzIconModule }, { kind: "directive", type: i8.NzIconDirective, selector: "[nz-icon]", inputs: ["nzSpin", "nzRotate", "nzType", "nzTheme", "nzTwotoneColor", "nzIconfont"], exportAs: ["nzIcon"] }, { kind: "ngmodule", type: NzFormPatchModule }, { kind: "component", type: i9.NzFormItemFeedbackIconComponent, selector: "nz-form-item-feedback-icon", inputs: ["status"], exportAs: ["nzFormFeedbackIcon"] }, { kind: "ngmodule", type: NzOverlayModule }, { kind: "directive", type: i10.NzConnectedOverlayDirective, selector: "[cdkConnectedOverlay][nzConnectedOverlay]", inputs: ["nzArrowPointAtCenter"], exportAs: ["nzConnectedOverlay"] }, { kind: "directive", type: NzNoAnimationDirective, selector: "[nzNoAnimation]", inputs: ["nzNoAnimation"], exportAs: ["nzNoAnimation"] }, { kind: "directive", type: NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }, { kind: "directive", type: NgStyle, selector: "[ngStyle]", inputs: ["ngStyle"] }, { kind: "ngmodule", type: NzEmptyModule }, { kind: "component", type: i11.NzEmbedEmptyComponent, selector: "nz-embed-empty", inputs: ["nzComponentName", "specificContent"], exportAs: ["nzEmbedEmpty"] }, { kind: "component", type: NzCascaderOptionComponent, selector: "[nz-cascader-option]", inputs: ["optionTemplate", "option", "activated", "highlightText", "nzLabelProperty", "columnIndex", "expandIcon", "dir"], exportAs: ["nzCascaderOption"] }], animations: [slideMotion], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None }); }
}
__decorate([
WithConfig()
], NzCascaderComponent.prototype, "nzSize", void 0);
__decorate([
WithConfig()
], NzCascaderComponent.prototype, "nzBackdrop", void 0);
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.1.2", ngImport: i0, type: NzCascaderComponent, decorators: [{
type: Component,
args: [{
changeDetection: ChangeDetectionStrategy.OnPush,
encapsulation: ViewEncapsulation.None,
selector: 'nz-cascader, [nz-cascader]',
exportAs: 'nzCascader',
preserveWhitespaces: false,
template: `
<div cdkOverlayOrigin #origin="cdkOverlayOrigin" #trigger>
@if (nzShowInput) {
<div #selectContainer class="ant-select-selector">
<span class="ant-select-selection-search">
<input
#input
type="search"
class="ant-select-selection-search-input"
[style.opacity]="nzShowSearch ? '' : '0'"
[attr.autoComplete]="'off'"
[attr.expanded]="menuVisible"
[attr.autofocus]="nzAutoFocus ? 'autofocus' : null"
[readonly]="!nzShowSearch"
[disabled]="nzDisabled"
[(ngModel)]="inputValue"
(blur)="handleInputBlur()"
(focus)="handleInputFocus()"
(compositionstart)="handleInputCompositionstart()"
(compositionend)="handleInputCompositionend()"
/>
</span>
@if (showLabelRender) {
<span class="ant-select-selection-item" [title]="labelRenderText">
@if (!isLabelRenderTemplate) {
<ng-container>{{ labelRenderText }}</ng-container>
} @else {
<ng-template
[ngTemplateOutlet]="nzLabelRender"
[ngTemplateOutletContext]="labelRenderContext"
></ng-template>
}
</span>
} @else {
<span
class="ant-select-selection-placeholder"
[style.visibility]="isComposing || inputValue ? 'hidden' : 'visible'"
>{{ showPlaceholder ? nzPlaceHolder || locale?.placeholder : null }}</span
>
}
</div>
@if (nzShowArrow) {
<span class="ant-select-arrow" [class.ant-select-arrow-loading]="isLoading">
@if (!isLoading) {
<span nz-icon [nzType]="$any(nzSuffixIcon)" [class.ant-cascader-picker-arrow-expand]="menuVisible"></span>
} @else {
<span nz-icon nzType="loading"></span>
}
@if (hasFeedback && !!status) {
<nz-form-item-feedback-icon [status]="status" />
}
</span>
}
@if (clearIconVisible) {
<span class="ant-select-clear">
<span nz-icon nzType="close-circle" nzTheme="fill" (click)="clearSelection($event)"></span>
</span>
}
}
<ng-content></ng-content>
</div>
<ng-template
cdkConnectedOverlay
nzConnectedOverlay
[cdkConnectedOverlayHasBackdrop]="nzBackdrop"
[cdkConnectedOverlayOrigin]="origin"
[cdkConnectedOverlayPositions]="positions"
[cdkConnectedOverlayTransformOriginOn]="'.ant-cascader-dropdown'"
[cdkConnectedOverlayOpen]="menuVisible"
(overlayOutsideClick)="onClickOutside($event)"
(detach)="closeMenu()"
>
<div
class="ant-select-dropdown ant-cascader-dropdown ant-select-dropdown-placement-bottomLeft"
[class.ant-cascader-dropdown-rtl]="dir === 'rtl'"
[@slideMotion]="'enter'"
[@.disabled]="!!noAnimation?.nzNoAnimation"
[nzNoAnimation]="noAnimation?.nzNoAnimation"
(mouseenter)="onTriggerMouseEnter()"
(mouseleave)="onTriggerMouseLeave($event)"
>
<div
#menu
class="ant-cascader-menus"
[class.ant-cascader-rtl]="dir === 'rtl'"
[class.ant-cascader-menus-hidden]="!menuVisible"
[class.ant-cascader-menu-empty]="shouldShowEmpty"
[ngClass]="menuCls"
[ngStyle]="nzMenuStyle"
>
@if (shouldShowEmpty) {
<ul class="ant-cascader-menu" [style.width]="dropdownWidthStyle" [style.height]="dropdownHeightStyle">
<li class="ant-cascader-menu-item ant-cascader-menu-item-disabled">
<nz-embed-empty
class="ant-cascader-menu-item-content"
[nzComponentName]="'cascader'"
[specificContent]="nzNotFoundContent"
/>
</li>
</ul>
} @else {
@for (options of cascaderService.columns; track options; let i = $index) {
<ul
class="ant-cascader-menu"
role="menuitemcheckbox"
[ngClass]="menuColumnCls"
[style.height]="dropdownHeightStyle"
[style.width]="dropdownWidthStyle"
>
@for (option of options; track option.value) {
<li
nz-cascader-option
[expandIcon]="nzExpandIcon"
[columnIndex]="i"
[nzLabelProperty]="nzLabelProperty"
[optionTemplate]="nzOptionRender"
[activated]="isOptionActivated(option, i)"
[highlightText]="inSearchingMode ? inputValue : ''"
[option]="option"
[dir]="dir"
(mouseenter)="onOptionMouseEnter(option, i, $event)"
(mouseleave)="onOptionMouseLeave(option, i, $event)"
(click)="onOptionClick(option, i, $event)"
></li>
}
</ul>
}
}
</div>
</div>
</ng-template>
`,
animations: [slideMotion],
providers: [
{
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef(() => NzCascaderComponent),
multi: true
},
NzCascaderService,
NzDestroyService
],
host: {
'[attr.tabIndex]': '"0"',
'[class.ant-select-in-form-item]': '!!nzFormStatusService',
'[class.ant-select-lg]': 'nzSize === "large"',
'[class.ant-select-sm]': 'nzSize === "small"',
'[class.ant-select-allow-clear]': 'nzAllowClear',
'[class.ant-select-show-arrow]': 'nzShowArrow',
'[class.ant-select-show-search]': '!!nzShowSearch',
'[class.ant-select-disabled]': 'nzDisabled',
'[class.ant-select-open]': 'menuVisible',
'[class.ant-select-focused]': 'isFocused',
'[class.ant-select-single]': 'true',
'[class.ant-select-rtl]': `dir === 'rtl'`
},
imports: [
OverlayModule,
FormsModule,
NgTemplateOutlet,
NzIconModule,
NzFormPatchModule,
NzOverlayModule,
NzNoAnimationDirective,
NgClass,
NgStyle,
NzEmptyModule,
NzCascaderOptionComponent
],
standalone: true
}]
}], ctorParameters: () => [{ type: i1.NzCascaderService }, { type: i2.NzConfigService }, { type: i0.NgZone }, { type: i0.ChangeDetectorRef }, { type: i3.NzI18nService }, { type: i4.NzDestroyService }, { type: i0.ElementRef }, { type: i0.Renderer2 }, { type: i5.Directionality }], propDecorators: { selectContainer: [{
type: ViewChild,
args: ['selectContainer', { static: false }]
}], input: [{
type: ViewChild,
args: ['input', { static: false }]
}], menu: [{
type: ViewChild,
args: ['menu', { static: false }]
}], overlay: [{
type: ViewChild,
args: [CdkConnectedOverlay, { static: false }]
}], cascaderItems: [{
type: ViewChildren,
args: [NzCascaderOptionComponent]
}], nzOptionRender: [{
type: Input
}], nzShowInput: [{
type: Input,
args: [{ transform: booleanAttribute }]
}], nzShowArrow: [{
type: Input,
args: [{ transform: booleanAttribute }]
}], nzAllowClear: [{
type: Input,
args: [{ transform: booleanAttribute }]
}], nzAutoFocus: [{
type: Input,
args: [{ transform: booleanAttribute }]
}], nzChangeOnSelect: [{
type: Input,
args: [{ transform: booleanAttribute }]
}], nzDisabled: [{
type: Input,
args: [{ transform: booleanAttribute }]
}], nzColumnClassName: [{
type: Input
}], nzExpandTrigger: [{
type: Input
}], nzValueProperty: [{
type: Input
}], nzLabelRender: [{
type: Input
}], nzLabelProperty: [{
type: Input
}], nzNotFoundContent: [{
type: Input
}], nzSize: [{
type: Input
}], nzBackdrop: [{
type: Input
}], nzShowSearch: [{
type: Input
}], nzPlaceHolder: [{
type: Input
}], nzMenuClassName: [{
type: Input
}], nzMenuStyle: [{
type: Input
}], nzMouseEnterDelay: [{
type: Input,
args: [{ transform: numberAttribute }]
}], nzMouseLeaveDelay: [{
type: Input,
args: [{ transform: numberAttribute }]
}], nzStatus: [{
type: Input
}], nzTriggerAction: [{
type: Input
}], nzChangeOn: [{
type: Input
}], nzLoadData: [{
type: Input
}], nzSuffixIcon: [{
type: Input
}], nzExpandIcon: [{
type: Input
}], nzOptions: [{
type: Input
}], nzVisibleChange: [{
type: Output
}], nzSelectionChange: [{
type: Output
}], nzSelect: [{
type: Output
}], nzClear: [{
type: Output
}], onTriggerClick: [{
type: HostListener,
args: ['click']
}], onTriggerMouseEnter: [{
type: HostListener,
args: ['mouseenter']
}], onTriggerMouseLeave: [{
type: HostListener,
args: ['mouseleave', ['$event']]
}] } });
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