ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
1,164 lines (1,159 loc) • 70.3 kB
JavaScript
import { __decorate } from 'tslib';
import { DOWN_ARROW, UP_ARROW, LEFT_ARROW, RIGHT_ARROW, ENTER, BACKSPACE, ESCAPE } from '@angular/cdk/keycodes';
import * as i10 from '@angular/cdk/overlay';
import { CdkConnectedOverlay, OverlayModule } from '@angular/cdk/overlay';
import * as i0 from '@angular/core';
import { Component, ChangeDetectionStrategy, ViewEncapsulation, Input, Injectable, EventEmitter, forwardRef, Optional, Host, ViewChild, ViewChildren, Output, HostListener, NgModule } from '@angular/core';
import * as i9 from '@angular/forms';
import { NG_VALUE_ACCESSOR, FormsModule } from '@angular/forms';
import { BehaviorSubject, Subject, of, Observable, fromEvent, EMPTY } from 'rxjs';
import { distinctUntilChanged, withLatestFrom, map, takeUntil, startWith, switchMap } from 'rxjs/operators';
import { slideMotion } from 'ng-zorro-antd/core/animation';
import * as i2$1 from 'ng-zorro-antd/core/config';
import { WithConfig } from 'ng-zorro-antd/core/config';
import * as i13 from 'ng-zorro-antd/core/overlay';
import { DEFAULT_CASCADER_POSITIONS, NzOverlayModule } from 'ng-zorro-antd/core/overlay';
import * as i4$1 from 'ng-zorro-antd/core/services';
import { NzDestroyService } from 'ng-zorro-antd/core/services';
import { isNotNil, arraysEqual, toArray, getStatusClassNames, InputBoolean } from 'ng-zorro-antd/core/util';
import * as i8 from '@angular/common';
import { CommonModule } from '@angular/common';
import * as i2 from 'ng-zorro-antd/core/outlet';
import { NzOutletModule } from 'ng-zorro-antd/core/outlet';
import * as i3 from 'ng-zorro-antd/icon';
import { NzIconModule } from 'ng-zorro-antd/icon';
import * as i4 from 'ng-zorro-antd/core/highlight';
import { NzHighlightModule } from 'ng-zorro-antd/core/highlight';
import * as i3$1 from 'ng-zorro-antd/i18n';
import * as i5 from '@angular/cdk/bidi';
import { BidiModule } from '@angular/cdk/bidi';
import * as i6 from 'ng-zorro-antd/core/no-animation';
import { NzNoAnimationModule } from 'ng-zorro-antd/core/no-animation';
import * as i7 from 'ng-zorro-antd/core/form';
import { NzFormPatchModule } from 'ng-zorro-antd/core/form';
import * as i11 from 'ng-zorro-antd/empty';
import { NzEmptyModule } from 'ng-zorro-antd/empty';
import { NzInputModule } from 'ng-zorro-antd/input';
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
function isShowSearchObject(options) {
return typeof options !== 'boolean';
}
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
function isChildOption(o) {
return o.isLeaf || !o.children || !o.children.length;
}
function isParentOption(o) {
return !!o.children && !!o.children.length && !o.isLeaf;
}
class NzCascaderOptionComponent {
constructor(cdr, elementRef, renderer) {
this.cdr = cdr;
this.optionTemplate = null;
this.activated = false;
this.nzLabelProperty = 'label';
this.expandIcon = '';
this.dir = 'ltr';
renderer.addClass(elementRef.nativeElement, 'ant-cascader-menu-item');
renderer.addClass(elementRef.nativeElement, 'ant-cascader-menu-item-expanded');
this.nativeElement = elementRef.nativeElement;
}
ngOnInit() {
if (this.expandIcon === '' && this.dir === 'rtl') {
this.expandIcon = 'left';
}
else if (this.expandIcon === '') {
this.expandIcon = 'right';
}
}
get optionLabel() {
return this.option[this.nzLabelProperty];
}
markForCheck() {
this.cdr.markForCheck();
}
}
NzCascaderOptionComponent.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.1.3", ngImport: i0, type: NzCascaderOptionComponent, deps: [{ token: i0.ChangeDetectorRef }, { token: i0.ElementRef }, { token: i0.Renderer2 }], target: i0.ɵɵFactoryTarget.Component });
NzCascaderOptionComponent.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "14.1.3", type: NzCascaderOptionComponent, selector: "[nz-cascader-option]", inputs: { optionTemplate: "optionTemplate", option: "option", activated: "activated", highlightText: "highlightText", nzLabelProperty: "nzLabelProperty", columnIndex: "columnIndex", expandIcon: "expandIcon", dir: "dir" }, host: { properties: { "attr.title": "option.title || optionLabel", "class.ant-cascader-menu-item-active": "activated", "class.ant-cascader-menu-item-expand": "!option.isLeaf", "class.ant-cascader-menu-item-disabled": "option.disabled" } }, exportAs: ["nzCascaderOption"], ngImport: i0, template: `
<ng-container *ngIf="optionTemplate; else defaultOptionTemplate">
<ng-template
[ngTemplateOutlet]="optionTemplate"
[ngTemplateOutletContext]="{ $implicit: option, index: columnIndex }"
></ng-template>
</ng-container>
<ng-template #defaultOptionTemplate>
<div
class="ant-cascader-menu-item-content"
[innerHTML]="optionLabel | nzHighlight: highlightText:'g':'ant-cascader-menu-item-keyword'"
></div>
</ng-template>
<div *ngIf="!option.isLeaf || option.children?.length || option.loading" class="ant-cascader-menu-item-expand-icon">
<span *ngIf="option.loading; else icon" nz-icon nzType="loading"></span>
<ng-template #icon>
<ng-container *nzStringTemplateOutlet="expandIcon">
<span nz-icon [nzType]="$any(expandIcon)"></span>
</ng-container>
</ng-template>
</div>
`, isInline: true, dependencies: [{ kind: "directive", type: i8.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { kind: "directive", type: i8.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }, { kind: "directive", type: i2.NzStringTemplateOutletDirective, selector: "[nzStringTemplateOutlet]", inputs: ["nzStringTemplateOutletContext", "nzStringTemplateOutlet"], exportAs: ["nzStringTemplateOutlet"] }, { kind: "directive", type: i3.NzIconDirective, selector: "[nz-icon]", inputs: ["nzSpin", "nzRotate", "nzType", "nzTheme", "nzTwotoneColor", "nzIconfont"], exportAs: ["nzIcon"] }, { kind: "pipe", type: i4.NzHighlightPipe, name: "nzHighlight" }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "14.1.3", ngImport: i0, type: NzCascaderOptionComponent, decorators: [{
type: Component,
args: [{
changeDetection: ChangeDetectionStrategy.OnPush,
encapsulation: ViewEncapsulation.None,
selector: '[nz-cascader-option]',
exportAs: 'nzCascaderOption',
template: `
<ng-container *ngIf="optionTemplate; else defaultOptionTemplate">
<ng-template
[ngTemplateOutlet]="optionTemplate"
[ngTemplateOutletContext]="{ $implicit: option, index: columnIndex }"
></ng-template>
</ng-container>
<ng-template #defaultOptionTemplate>
<div
class="ant-cascader-menu-item-content"
[innerHTML]="optionLabel | nzHighlight: highlightText:'g':'ant-cascader-menu-item-keyword'"
></div>
</ng-template>
<div *ngIf="!option.isLeaf || option.children?.length || option.loading" class="ant-cascader-menu-item-expand-icon">
<span *ngIf="option.loading; else icon" nz-icon nzType="loading"></span>
<ng-template #icon>
<ng-container *nzStringTemplateOutlet="expandIcon">
<span nz-icon [nzType]="$any(expandIcon)"></span>
</ng-container>
</ng-template>
</div>
`,
host: {
'[attr.title]': 'option.title || optionLabel',
'[class.ant-cascader-menu-item-active]': 'activated',
'[class.ant-cascader-menu-item-expand]': '!option.isLeaf',
'[class.ant-cascader-menu-item-disabled]': 'option.disabled'
}
}]
}], ctorParameters: function () { return [{ type: i0.ChangeDetectorRef }, { type: i0.ElementRef }, { type: i0.Renderer2 }]; }, propDecorators: { optionTemplate: [{
type: Input
}], option: [{
type: Input
}], activated: [{
type: Input
}], highlightText: [{
type: Input
}], nzLabelProperty: [{
type: Input
}], columnIndex: [{
type: Input
}], expandIcon: [{
type: Input
}], dir: [{
type: Input
}] } });
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
/**
* All data is stored and parsed in NzCascaderService.
*/
class NzCascaderService {
constructor() {
/** Activated options in each column. */
this.activatedOptions = [];
/** An array to store cascader items arranged in different layers. */
this.columns = [];
/** If user has entered searching mode. */
this.inSearchingMode = false;
/** Selected options would be output to user. */
this.selectedOptions = [];
this.values = [];
this.$loading = new BehaviorSubject(false);
/**
* Emit an event to notify cascader it needs to redraw because activated or
* selected options are changed.
*/
this.$redraw = new Subject();
/**
* Emit an event when an option gets selected.
* Emit true if a leaf options is selected.
*/
this.$optionSelected = new Subject();
/**
* Emit an event to notify cascader it needs to quit searching mode.
* Only emit when user do select a searching option.
*/
this.$quitSearching = new Subject();
/** To hold columns before entering searching mode. */
this.columnsSnapshot = [[]];
/** To hold activated options before entering searching mode. */
this.activatedOptionsSnapshot = [];
}
/** Return cascader options in the first layer. */
get nzOptions() {
return this.columns[0];
}
ngOnDestroy() {
this.$redraw.complete();
this.$quitSearching.complete();
this.$optionSelected.complete();
this.$loading.complete();
}
/**
* Make sure that value matches what is displayed in the dropdown.
*/
syncOptions(first = false) {
const values = this.values;
const hasValue = values && values.length;
const lastColumnIndex = values.length - 1;
const initColumnWithIndex = (columnIndex) => {
const activatedOptionSetter = () => {
const currentValue = values[columnIndex];
if (!isNotNil(currentValue)) {
this.$redraw.next();
return;
}
const option = this.findOptionWithValue(columnIndex, values[columnIndex]) ||
(typeof currentValue === 'object'
? currentValue
: {
[`${this.cascaderComponent.nzValueProperty}`]: currentValue,
[`${this.cascaderComponent.nzLabelProperty}`]: currentValue
});
this.setOptionActivated(option, columnIndex, false, false);
if (columnIndex < lastColumnIndex) {
initColumnWithIndex(columnIndex + 1);
}
else {
this.dropBehindColumns(columnIndex);
this.selectedOptions = [...this.activatedOptions];
this.$redraw.next();
}
};
if (this.isLoaded(columnIndex) || !this.cascaderComponent.nzLoadData) {
activatedOptionSetter();
}
else {
const option = this.activatedOptions[columnIndex - 1] || {};
this.loadChildren(option, columnIndex - 1, activatedOptionSetter);
}
};
this.activatedOptions = [];
this.selectedOptions = [];
if (first && this.cascaderComponent.nzLoadData && !hasValue) {
// Should also notify the component that value changes. Fix #3480.
this.$redraw.next();
return;
}
else {
initColumnWithIndex(0);
}
}
/**
* Bind cascader component so this service could use inputs.
*/
withComponent(cascaderComponent) {
this.cascaderComponent = cascaderComponent;
}
/**
* Reset all options. Rebuild searching options if in searching mode.
*/
withOptions(options) {
this.columnsSnapshot = this.columns = options && options.length ? [options] : [];
if (this.inSearchingMode) {
this.prepareSearchOptions(this.cascaderComponent.inputValue);
}
else if (this.columns.length) {
this.syncOptions();
}
}
/**
* Try to set a option as activated.
*
* @param option Cascader option
* @param columnIndex Of which column this option is in
* @param performSelect Select
* @param loadingChildren Try to load children asynchronously.
*/
setOptionActivated(option, columnIndex, performSelect = false, loadingChildren = true) {
if (option.disabled) {
return;
}
this.activatedOptions[columnIndex] = option;
this.trackAncestorActivatedOptions(columnIndex);
this.dropBehindActivatedOptions(columnIndex);
const isParent = isParentOption(option);
if (isParent) {
// Parent option that has children.
this.setColumnData(option.children, columnIndex + 1, option);
}
else if (!option.isLeaf && loadingChildren) {
// Parent option that should try to load children asynchronously.
this.loadChildren(option, columnIndex);
}
else if (option.isLeaf) {
// Leaf option.
this.dropBehindColumns(columnIndex);
}
// Actually perform selection to make an options not only activated but also selected.
if (performSelect) {
this.setOptionSelected(option, columnIndex);
}
this.$redraw.next();
}
setOptionSelected(option, index) {
const changeOn = this.cascaderComponent.nzChangeOn;
const shouldPerformSelection = (o, i) => typeof changeOn === 'function' ? changeOn(o, i) : false;
if (option.isLeaf || this.cascaderComponent.nzChangeOnSelect || shouldPerformSelection(option, index)) {
this.selectedOptions = [...this.activatedOptions];
this.prepareEmitValue();
this.$redraw.next();
this.$optionSelected.next({ option, index });
}
}
setOptionDeactivatedSinceColumn(column) {
this.dropBehindActivatedOptions(column - 1);
this.dropBehindColumns(column);
this.$redraw.next();
}
/**
* Set a searching option as selected, finishing up things.
*
* @param option
*/
setSearchOptionSelected(option) {
this.activatedOptions = [option];
this.selectedOptions = [...option.path];
this.prepareEmitValue();
this.$redraw.next();
this.$optionSelected.next({ option, index: 0 });
setTimeout(() => {
// Reset data and tell UI only to remove input and reset dropdown width style.
this.$quitSearching.next();
this.$redraw.next();
this.inSearchingMode = false;
this.columns = [...this.columnsSnapshot];
this.activatedOptions = [...this.selectedOptions];
}, 200);
}
/**
* Filter cascader options to reset `columns`.
*
* @param searchValue The string user wants to search.
*/
prepareSearchOptions(searchValue) {
const results = []; // Search results only have one layer.
const path = [];
const defaultFilter = (i, p) => p.some(o => {
const label = this.getOptionLabel(o);
return !!label && label.indexOf(i) !== -1;
});
const showSearch = this.cascaderComponent.nzShowSearch;
const filter = isShowSearchObject(showSearch) && showSearch.filter ? showSearch.filter : defaultFilter;
const sorter = isShowSearchObject(showSearch) && showSearch.sorter ? showSearch.sorter : null;
const loopChild = (node, forceDisabled = false) => {
path.push(node);
const cPath = Array.from(path);
if (filter(searchValue, cPath)) {
const disabled = forceDisabled || node.disabled;
const option = {
disabled,
isLeaf: true,
path: cPath,
[this.cascaderComponent.nzLabelProperty]: cPath.map(p => this.getOptionLabel(p)).join(' / ')
};
results.push(option);
}
path.pop();
};
const loopParent = (node, forceDisabled = false) => {
const disabled = forceDisabled || node.disabled;
path.push(node);
node.children.forEach(sNode => {
if (!sNode.parent) {
sNode.parent = node;
}
if (!sNode.isLeaf) {
loopParent(sNode, disabled);
}
if (sNode.isLeaf || !sNode.children || !sNode.children.length) {
loopChild(sNode, disabled);
}
});
path.pop();
};
if (!this.columnsSnapshot.length) {
this.columns = [[]];
return;
}
this.columnsSnapshot[0].forEach(o => (isChildOption(o) ? loopChild(o) : loopParent(o)));
if (sorter) {
results.sort((a, b) => sorter(a.path, b.path, searchValue));
}
this.columns = [results];
this.$redraw.next(); // Search results may be empty, so should redraw.
}
/**
* Toggle searching mode by UI. It deals with things not directly related to UI.
*
* @param toSearching If this cascader is entering searching mode
*/
toggleSearchingMode(toSearching) {
this.inSearchingMode = toSearching;
if (toSearching) {
this.activatedOptionsSnapshot = [...this.activatedOptions];
this.activatedOptions = [];
this.selectedOptions = [];
this.$redraw.next();
}
else {
// User quit searching mode without selecting an option.
this.activatedOptions = [...this.activatedOptionsSnapshot];
this.selectedOptions = [...this.activatedOptions];
this.columns = [...this.columnsSnapshot];
this.syncOptions();
this.$redraw.next();
}
}
/**
* Clear selected options.
*/
clear() {
this.values = [];
this.selectedOptions = [];
this.activatedOptions = [];
this.dropBehindColumns(0);
this.$redraw.next();
this.$optionSelected.next(null);
}
getOptionLabel(o) {
return o[this.cascaderComponent.nzLabelProperty || 'label'];
}
getOptionValue(o) {
return o[this.cascaderComponent.nzValueProperty || 'value'];
}
/**
* Try to insert options into a column.
*
* @param options Options to insert
* @param columnIndex Position
*/
setColumnData(options, columnIndex, parent) {
const existingOptions = this.columns[columnIndex];
if (!arraysEqual(existingOptions, options)) {
options.forEach(o => (o.parent = parent));
this.columns[columnIndex] = options;
this.dropBehindColumns(columnIndex);
}
}
/**
* Set all ancestor options as activated.
*/
trackAncestorActivatedOptions(startIndex) {
for (let i = startIndex - 1; i >= 0; i--) {
if (!this.activatedOptions[i]) {
this.activatedOptions[i] = this.activatedOptions[i + 1].parent;
}
}
}
dropBehindActivatedOptions(lastReserveIndex) {
this.activatedOptions = this.activatedOptions.splice(0, lastReserveIndex + 1);
}
dropBehindColumns(lastReserveIndex) {
if (lastReserveIndex < this.columns.length - 1) {
this.columns = this.columns.slice(0, lastReserveIndex + 1);
}
}
/**
* Load children of an option asynchronously.
*/
loadChildren(option, columnIndex, success, failure) {
const loadFn = this.cascaderComponent.nzLoadData;
if (loadFn) {
// If there isn't any option in columns.
this.$loading.next(columnIndex < 0);
if (typeof option === 'object') {
option.loading = true;
}
loadFn(option, columnIndex).then(() => {
option.loading = false;
if (option.children) {
this.setColumnData(option.children, columnIndex + 1, option);
}
if (success) {
success();
}
this.$loading.next(false);
this.$redraw.next();
}, () => {
option.loading = false;
option.isLeaf = true;
if (failure) {
failure();
}
this.$redraw.next();
});
}
}
isLoaded(index) {
return this.columns[index] && this.columns[index].length > 0;
}
/**
* Find a option that has a given value in a given column.
*/
findOptionWithValue(columnIndex, value) {
const targetColumn = this.columns[columnIndex];
if (targetColumn) {
const v = typeof value === 'object' ? this.getOptionValue(value) : value;
return targetColumn.find(o => v === this.getOptionValue(o));
}
return null;
}
prepareEmitValue() {
this.values = this.selectedOptions.map(o => this.getOptionValue(o));
}
}
NzCascaderService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.1.3", ngImport: i0, type: NzCascaderService, deps: [], target: i0.ɵɵFactoryTarget.Injectable });
NzCascaderService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "14.1.3", ngImport: i0, type: NzCascaderService });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "14.1.3", ngImport: i0, type: NzCascaderService, decorators: [{
type: Injectable
}] });
const NZ_CONFIG_MODULE_NAME = 'cascader';
const defaultDisplayRender = (labels) => labels.join(' / ');
class NzCascaderComponent {
constructor(cascaderService, nzConfigService, ngZone, cdr, i18nService, destroy$, elementRef, renderer, directionality, noAnimation, nzFormStatusService, nzFormNoStatusService) {
this.cascaderService = cascaderService;
this.nzConfigService = nzConfigService;
this.ngZone = ngZone;
this.cdr = cdr;
this.i18nService = i18nService;
this.destroy$ = destroy$;
this.elementRef = elementRef;
this.renderer = renderer;
this.directionality = directionality;
this.noAnimation = noAnimation;
this.nzFormStatusService = nzFormStatusService;
this.nzFormNoStatusService = nzFormNoStatusService;
this._nzModuleName = NZ_CONFIG_MODULE_NAME;
/** Used to store the native `<input type="search" />` element since it might be set asynchronously. */
this.input$ = 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.inputString = '';
this.isOpening = false;
this.delayMenuTimer = null;
this.delaySelectTimer = null;
this.el = elementRef.nativeElement;
this.cascaderService.withComponent(this);
this.renderer.addClass(this.elementRef.nativeElement, 'ant-select');
this.renderer.addClass(this.elementRef.nativeElement, 'ant-cascader');
}
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;
}
ngOnInit() {
var _a;
(_a = this.nzFormStatusService) === null || _a === void 0 ? void 0 : _a.formStatusChanges.pipe(distinctUntilChanged((pre, cur) => {
return pre.status === cur.status && pre.hasFeedback === cur.hasFeedback;
}), withLatestFrom(this.nzFormNoStatusService ? this.nzFormNoStatusService.noFormStatus : of(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 = null;
}
}
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() {
var _a;
if (!this.isFocused) {
(((_a = this.input) === null || _a === void 0 ? void 0 : _a.nativeElement) || this.el).focus();
this.isFocused = true;
}
}
blur() {
var _a;
if (this.isFocused) {
(((_a = this.input) === null || _a === void 0 ? void 0 : _a.nativeElement) || this.el).blur();
this.isFocused = false;
}
}
handleInputBlur() {
this.menuVisible ? this.focus() : this.blur();
}
handleInputFocus() {
this.focus();
}
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) {
if (!this.el.contains(event.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 = null;
}
}
delaySetOptionActivated(option, columnIndex, performSelect) {
this.clearDelaySelectTimer();
this.delaySelectTimer = setTimeout(() => {
this.cascaderService.setOptionActivated(option, columnIndex, performSelect);
this.delaySelectTimer = null;
}, 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) {
if (isDisabled) {
this.closeMenu();
}
this.nzDisabled = isDisabled;
}
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 };
}
else {
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();
});
});
});
}
}
NzCascaderComponent.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.1.3", ngImport: i0, type: NzCascaderComponent, deps: [{ token: NzCascaderService }, { token: i2$1.NzConfigService }, { token: i0.NgZone }, { token: i0.ChangeDetectorRef }, { token: i3$1.NzI18nService }, { token: i4$1.NzDestroyService }, { token: i0.ElementRef }, { token: i0.Renderer2 }, { token: i5.Directionality, optional: true }, { token: i6.NzNoAnimationDirective, host: true, optional: true }, { token: i7.NzFormStatusService, optional: true }, { token: i7.NzFormNoStatusService, optional: true }], target: i0.ɵɵFactoryTarget.Component });
NzCascaderComponent.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "14.1.3", type: NzCascaderComponent, selector: "nz-cascader, [nz-cascader]", inputs: { nzOptionRender: "nzOptionRender", nzShowInput: "nzShowInput", nzShowArrow: "nzShowArrow", nzAllowClear: "nzAllowClear", nzAutoFocus: "nzAutoFocus", nzChangeOnSelect: "nzChangeOnSelect", nzDisabled: "nzDisabled", nzColumnClassName: "nzColumnClassName", nzExpandTrigger: "nzExpandTrigger", nzValueProperty: "nzValueProperty", nzLabelRender: "nzLabelRender", nzLabelProperty: "nzLabelProperty", nzNotFoundContent: "nzNotFoundContent", nzSize: "nzSize", nzBackdrop: "nzBackdrop", nzShowSearch: "nzShowSearch", nzPlaceHolder: "nzPlaceHolder", nzMenuClassName: "nzMenuClassName", nzMenuStyle: "nzMenuStyle", nzMouseEnterDelay: "nzMouseEnterDelay", nzMouseLeaveDelay: "nzMouseLeaveDelay", nzStatus: "nzStatus", nzTriggerAction: "nzTriggerAction", nzChangeOn: "nzChangeOn", nzLoadData: "nzLoadData", nzSuffixIcon: "nzSuffixIcon", nzExpandIcon: "nzExpandIcon", nzOptions: "nzOptions" }, outputs: { nzVisibleChange: "nzVisibleChange", nzSelectionChange: "nzSelectionChange", nzSelect: "nzSelect", nzClear: "nzClear" }, host: { listeners: { "click": "onTriggerClick()", "mouseenter": "onTriggerMouseEnter()", "mouseleave": "onTriggerMouseLeave($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>
<ng-container *ngIf="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()"
/>
</span>
<span *ngIf="showLabelRender" class="ant-select-selection-item" [title]="labelRenderText">
<ng-container *ngIf="!isLabelRenderTemplate; else labelTemplate">{{ labelRenderText }}</ng-container>
<ng-template #labelTemplate>
<ng-template
[ngTemplateOutlet]="nzLabelRender"
[ngTemplateOutletContext]="labelRenderContext"
></ng-template>
</ng-template>
</span>
<span
*ngIf="!showLabelRender"
class="ant-select-selection-placeholder"
[style.visibility]="!inputValue ? 'visible' : 'hidden'"
>{{ showPlaceholder ? nzPlaceHolder || locale?.placeholder : null }}</span
>
</div>
<span class="ant-select-arrow" [class.ant-select-arrow-loading]="isLoading" *ngIf="nzShowArrow">
<span
*ngIf="!isLoading"
nz-icon
[nzType]="$any(nzSuffixIcon)"
[class.ant-cascader-picker-arrow-expand]="menuVisible"
></span>
<span *ngIf="isLoading" nz-icon nzType="loading"></span>
<nz-form-item-feedback-icon *ngIf="hasFeedback && !!status" [status]="status"></nz-form-item-feedback-icon>
</span>
<span class="ant-select-clear" *ngIf="clearIconVisible">
<span nz-icon nzType="close-circle" nzTheme="fill" (click)="clearSelection($event)"></span>
</span>
</ng-container>
<ng-content></ng-content>
</div>
<ng-template
cdkConnectedOverlay
nzConnectedOverlay
[cdkConnectedOverlayHasBackdrop]="nzBackdrop"
[cdkConnectedOverlayOrigin]="origin"
[cdkConnectedOverlayPositions]="positions"
[cdkConnectedOverlayTransformOriginOn]="'.ant-ca