ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
1,232 lines (1,222 loc) • 90.2 kB
JavaScript
import { __esDecorate, __runInitializers } from 'tslib';
import { DOWN_ARROW, UP_ARROW, LEFT_ARROW, RIGHT_ARROW, ENTER, BACKSPACE, ESCAPE } from '@angular/cdk/keycodes';
import * as i6 from '@angular/cdk/overlay';
import { OverlayModule, CdkConnectedOverlay } from '@angular/cdk/overlay';
import { _getEventTarget } from '@angular/cdk/platform';
import { NgTemplateOutlet, SlicePipe } from '@angular/common';
import * as i0 from '@angular/core';
import { EventEmitter, inject, ElementRef, booleanAttribute, numberAttribute, Output, Input, ViewEncapsulation, ChangeDetectionStrategy, Component, Injectable, computed, signal, forwardRef, HostListener, ViewChildren, ViewChild, NgModule } from '@angular/core';
import { FormsModule, NG_VALUE_ACCESSOR } from '@angular/forms';
import { BehaviorSubject, Subject, from, of, merge } from 'rxjs';
import { finalize, distinctUntilChanged, withLatestFrom, map, takeUntil, startWith, switchMap } from 'rxjs/operators';
import { slideMotion } from 'ng-zorro-antd/core/animation';
import { WithConfig, NzConfigService } from 'ng-zorro-antd/core/config';
import { NzFormStatusService, NzFormNoStatusService, NzFormItemFeedbackIconComponent } from 'ng-zorro-antd/core/form';
import { NzNoAnimationDirective } from 'ng-zorro-antd/core/no-animation';
import * as i9 from 'ng-zorro-antd/core/overlay';
import { DEFAULT_CASCADER_POSITIONS, POSITION_MAP, getPlacementName, NzOverlayModule } from 'ng-zorro-antd/core/overlay';
import * as i3$1 from 'ng-zorro-antd/core/services';
import { NzDestroyService } from 'ng-zorro-antd/core/services';
import { NzTreeBaseService, NzTreeNode, NzTreeBase } from 'ng-zorro-antd/core/tree';
import { arraysEqual, isNotNil, toArray, getStatusClassNames, fromEventOutsideAngular } from 'ng-zorro-antd/core/util';
import * as i8 from 'ng-zorro-antd/empty';
import { NzEmptyModule } from 'ng-zorro-antd/empty';
import * as i2 from 'ng-zorro-antd/icon';
import { NzIconModule } from 'ng-zorro-antd/icon';
import { NzSelectClearComponent, NzSelectItemComponent, NzSelectPlaceholderComponent, NzSelectSearchComponent } from 'ng-zorro-antd/select';
import * as i5 from 'ng-zorro-antd/space';
import { NZ_SPACE_COMPACT_SIZE, NZ_SPACE_COMPACT_ITEM_TYPE, NzSpaceCompactItemDirective } from 'ng-zorro-antd/space';
import * as i1 from 'ng-zorro-antd/core/highlight';
import { NzHighlightModule } from 'ng-zorro-antd/core/highlight';
import * as i3 from 'ng-zorro-antd/core/outlet';
import { NzOutletModule } from 'ng-zorro-antd/core/outlet';
import * as i2$1 from 'ng-zorro-antd/i18n';
import * as i4 from '@angular/cdk/bidi';
/**
* 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 isChildNode(node) {
return node.isLeaf || !node.children || !node.children.length;
}
function isParentNode(node) {
return !!node.children && !!node.children.length && !node.isLeaf;
}
class NzCascaderOptionComponent {
cdr;
optionTemplate = null;
node;
activated = false;
highlightText;
nzLabelProperty = 'label';
columnIndex;
expandIcon = '';
dir = 'ltr';
checkable = false;
check = new EventEmitter();
nativeElement = inject(ElementRef).nativeElement;
constructor(cdr) {
this.cdr = cdr;
}
ngOnInit() {
if (this.expandIcon === '' && this.dir === 'rtl') {
this.expandIcon = 'left';
}
else if (this.expandIcon === '') {
this.expandIcon = 'right';
}
}
get checked() {
return this.node.isChecked;
}
get halfChecked() {
return this.node.isHalfChecked;
}
get disabled() {
return this.node.isDisabled || this.node.isDisableCheckbox;
}
markForCheck() {
this.cdr.markForCheck();
}
onCheckboxClick(event) {
event.preventDefault();
event.stopPropagation();
if (!this.checkable) {
return;
}
this.check.emit();
}
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.2", ngImport: i0, type: NzCascaderOptionComponent, deps: [{ token: i0.ChangeDetectorRef }], target: i0.ɵɵFactoryTarget.Component });
static ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "17.0.0", version: "19.2.2", type: NzCascaderOptionComponent, isStandalone: true, selector: "[nz-cascader-option]", inputs: { optionTemplate: "optionTemplate", node: "node", activated: "activated", highlightText: "highlightText", nzLabelProperty: "nzLabelProperty", columnIndex: ["columnIndex", "columnIndex", numberAttribute], expandIcon: "expandIcon", dir: "dir", checkable: ["checkable", "checkable", booleanAttribute] }, outputs: { check: "check" }, host: { properties: { "attr.title": "node.title", "class.ant-cascader-menu-item-active": "activated", "class.ant-cascader-menu-item-expand": "!node.isLeaf", "class.ant-cascader-menu-item-disabled": "node.isDisabled" }, classAttribute: "ant-cascader-menu-item ant-cascader-menu-item-expanded" }, exportAs: ["nzCascaderOption"], ngImport: i0, template: `
@if (checkable) {
<span
class="ant-cascader-checkbox"
[class.ant-cascader-checkbox-checked]="checked"
[class.ant-cascader-checkbox-indeterminate]="halfChecked"
[class.ant-cascader-checkbox-disabled]="disabled"
(click)="onCheckboxClick($event)"
>
<span class="ant-cascader-checkbox-inner"></span>
</span>
}
@if (optionTemplate) {
<ng-template
[ngTemplateOutlet]="optionTemplate"
[ngTemplateOutletContext]="{ $implicit: node.origin, index: columnIndex }"
/>
} @else {
<div
class="ant-cascader-menu-item-content"
[innerHTML]="node.title | nzHighlight: highlightText : 'g' : 'ant-cascader-menu-item-keyword'"
></div>
}
@if (!node.isLeaf || node.children?.length || node.isLoading) {
<div class="ant-cascader-menu-item-expand-icon">
@if (node.isLoading) {
<nz-icon nzType="loading" />
} @else {
<ng-container *nzStringTemplateOutlet="expandIcon">
<nz-icon [nzType]="$any(expandIcon)" />
</ng-container>
}
</div>
}
`, isInline: true, dependencies: [{ kind: "directive", type: NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }, { kind: "ngmodule", type: NzHighlightModule }, { kind: "pipe", type: i1.NzHighlightPipe, name: "nzHighlight" }, { kind: "ngmodule", type: NzIconModule }, { kind: "directive", type: i2.NzIconDirective, selector: "nz-icon,[nz-icon]", inputs: ["nzSpin", "nzRotate", "nzType", "nzTheme", "nzTwotoneColor", "nzIconfont"], exportAs: ["nzIcon"] }, { kind: "ngmodule", type: NzOutletModule }, { kind: "directive", type: i3.NzStringTemplateOutletDirective, selector: "[nzStringTemplateOutlet]", inputs: ["nzStringTemplateOutletContext", "nzStringTemplateOutlet"], exportAs: ["nzStringTemplateOutlet"] }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.2", ngImport: i0, type: NzCascaderOptionComponent, decorators: [{
type: Component,
args: [{
selector: '[nz-cascader-option]',
exportAs: 'nzCascaderOption',
imports: [NgTemplateOutlet, NzHighlightModule, NzIconModule, NzOutletModule],
template: `
@if (checkable) {
<span
class="ant-cascader-checkbox"
[class.ant-cascader-checkbox-checked]="checked"
[class.ant-cascader-checkbox-indeterminate]="halfChecked"
[class.ant-cascader-checkbox-disabled]="disabled"
(click)="onCheckboxClick($event)"
>
<span class="ant-cascader-checkbox-inner"></span>
</span>
}
@if (optionTemplate) {
<ng-template
[ngTemplateOutlet]="optionTemplate"
[ngTemplateOutletContext]="{ $implicit: node.origin, index: columnIndex }"
/>
} @else {
<div
class="ant-cascader-menu-item-content"
[innerHTML]="node.title | nzHighlight: highlightText : 'g' : 'ant-cascader-menu-item-keyword'"
></div>
}
@if (!node.isLeaf || node.children?.length || node.isLoading) {
<div class="ant-cascader-menu-item-expand-icon">
@if (node.isLoading) {
<nz-icon nzType="loading" />
} @else {
<ng-container *nzStringTemplateOutlet="expandIcon">
<nz-icon [nzType]="$any(expandIcon)" />
</ng-container>
}
</div>
}
`,
host: {
class: 'ant-cascader-menu-item ant-cascader-menu-item-expanded',
'[attr.title]': 'node.title',
'[class.ant-cascader-menu-item-active]': 'activated',
'[class.ant-cascader-menu-item-expand]': '!node.isLeaf',
'[class.ant-cascader-menu-item-disabled]': 'node.isDisabled'
},
changeDetection: ChangeDetectionStrategy.OnPush,
encapsulation: ViewEncapsulation.None
}]
}], ctorParameters: () => [{ type: i0.ChangeDetectorRef }], propDecorators: { optionTemplate: [{
type: Input
}], node: [{
type: Input
}], activated: [{
type: Input
}], highlightText: [{
type: Input
}], nzLabelProperty: [{
type: Input
}], columnIndex: [{
type: Input,
args: [{ transform: numberAttribute }]
}], expandIcon: [{
type: Input
}], dir: [{
type: Input
}], checkable: [{
type: Input,
args: [{ transform: booleanAttribute }]
}], check: [{
type: Output
}] } });
/**
* 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
*/
class NzCascaderTreeService extends NzTreeBaseService {
fieldNames = {
label: 'label',
value: 'value'
};
treeNodePostProcessor = (node) => {
node.key = this.getOptionValue(node);
node.title = this.getOptionLabel(node);
};
getOptionValue(node) {
return node.origin[this.fieldNames.value || 'value'];
}
getOptionLabel(node) {
return node.origin[this.fieldNames.label || 'label'];
}
get children() {
return this.rootNodes;
}
set children(value) {
this.rootNodes = value.map(v => (v instanceof NzTreeNode ? v : new NzTreeNode(v, null)));
}
constructor() {
super();
}
/**
* Map list of nodes to list of option
*/
toOptions(nodes) {
return nodes.map(node => node.origin);
}
getAncestorNodeList(node) {
if (!node) {
return [];
}
if (node.parentNode) {
return [...this.getAncestorNodeList(node.parentNode), node];
}
return [node];
}
/**
* Render by nzCheckedKeys
* When keys equals null, just render with checkStrictly
*
* @param paths
* @param checkStrictly
*/
conductCheckPaths(paths, checkStrictly) {
this.checkedNodeList = [];
this.halfCheckedNodeList = [];
const existsPathList = [];
const calc = (nodes) => {
nodes.forEach(node => {
if (paths === null) {
// render tree if no default checked keys found
node.isChecked = !!node.origin.checked;
}
else {
// if node is in checked path
const nodePath = this.getAncestorNodeList(node).map(n => this.getOptionValue(n));
if (paths.some(keys => arraysEqual(nodePath, keys))) {
node.isChecked = true;
node.isHalfChecked = false;
existsPathList.push(nodePath);
}
else {
node.isChecked = false;
node.isHalfChecked = false;
}
}
if (node.children.length > 0) {
calc(node.children);
}
});
};
calc(this.rootNodes);
this.refreshCheckState(checkStrictly);
// handle missing node
this.handleMissingNodeList(paths, existsPathList);
}
conductSelectedPaths(paths) {
this.selectedNodeList.forEach(node => (node.isSelected = false));
this.selectedNodeList = [];
const existsPathList = [];
const calc = (nodes) => nodes.every(node => {
// if node is in selected path
const nodePath = this.getAncestorNodeList(node).map(n => this.getOptionValue(n));
if (paths.some(keys => arraysEqual(nodePath, keys))) {
node.isSelected = true;
this.setSelectedNodeList(node);
existsPathList.push(nodePath);
return false;
}
else {
node.isSelected = false;
}
if (node.children.length > 0) {
return calc(node.children);
}
return true;
});
calc(this.rootNodes);
this.handleMissingNodeList(paths, existsPathList);
}
handleMissingNodeList(paths, existsPathList) {
const missingNodeList = this.getMissingNodeList(paths, existsPathList);
missingNodeList.forEach(node => {
this.setSelectedNodeList(node);
});
}
getMissingNodeList(paths, existsPathList) {
if (!paths) {
return [];
}
return paths
.filter(path => !existsPathList.some(keys => arraysEqual(path, keys)))
.map(path => this.createMissingNode(path))
.filter(isNotNil);
}
createMissingNode(path) {
if (!path?.length) {
return null;
}
const createOption = (key) => {
return {
[this.fieldNames.value || 'value']: key,
[this.fieldNames.label || 'label']: key
};
};
let node = new NzTreeNode(createOption(path[0]), null, this);
for (let i = 1; i < path.length; i++) {
const childNode = new NzTreeNode(createOption(path[i]));
node.addChildren([childNode]);
node = childNode;
}
if (this.isMultiple) {
node.isChecked = true;
node.isHalfChecked = false;
}
else {
node.isSelected = true;
}
return node;
}
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.2", ngImport: i0, type: NzCascaderTreeService, deps: [], target: i0.ɵɵFactoryTarget.Injectable });
static ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "19.2.2", ngImport: i0, type: NzCascaderTreeService });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.2", ngImport: i0, type: NzCascaderTreeService, decorators: [{
type: Injectable
}], ctorParameters: () => [] });
/**
* 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 {
/** Activated options in each column. */
activatedNodes = [];
/** An array to store cascader items arranged in different layers. */
columns = [];
/** If user has entered searching mode. */
inSearchingMode = false;
values = [];
/**
* Emit an event when loading state changes.
* Emit true if nzOptions is loading by `nzLoadData`.
*/
$loading = new BehaviorSubject(false);
/**
* Emit an event to notify cascader it needs to redraw because activated or
* selected options are changed.
*/
$redraw = new Subject();
/**
* Emit an event when an option gets selected.
* Emit true if a leaf options is selected.
*/
$nodeSelected = new Subject();
/**
* Emit an event to notify cascader it needs to quit searching mode.
* Only emit when user do select a searching option.
*/
$quitSearching = new Subject();
/** To hold columns before entering searching mode. */
columnSnapshot = [[]];
cascaderComponent;
searchOptionPathMap = new Map();
/** Return cascader options in the first layer. */
get nzOptions() {
return this.cascaderComponent.treeService.toOptions(this.columns[0] || []);
}
ngOnDestroy() {
this.$redraw.complete();
this.$quitSearching.complete();
this.$nodeSelected.complete();
this.$loading.complete();
this.searchOptionPathMap.clear();
}
/**
* Bind cascader component so this service could use inputs.
*/
withComponent(cascaderComponent) {
this.cascaderComponent = cascaderComponent;
}
/**
* Try to set an option as activated.
*
* @param node Cascader option node
* @param columnIndex Of which column this option is in
* @param performSelect Select
* @param multiple Multiple mode
* @param loadingChildren Try to load children asynchronously.
*/
setNodeActivated(node, columnIndex, performSelect = false, multiple = false, loadingChildren = true) {
if (node.isDisabled) {
return;
}
this.activatedNodes[columnIndex] = node;
this.trackAncestorActivatedNodes(columnIndex);
this.dropBehindActivatedNodes(columnIndex);
if (isParentNode(node)) {
// Parent option that has children.
this.setColumnData(node.children, columnIndex + 1);
}
else if (!node.isLeaf && loadingChildren) {
// Parent option that should try to load children asynchronously.
this.loadChildren(node, columnIndex);
}
else if (node.isLeaf) {
// Leaf option.
this.dropBehindColumns(columnIndex);
}
// Actually perform selection to make an options not only activated but also selected.
if (performSelect && node.isSelectable) {
this.setNodeSelected(node, columnIndex, multiple);
}
this.$redraw.next();
}
/**
* Set an option as selected.
* @param node
* @param index
* @param multiple
*/
setNodeSelected(node, index, multiple = false) {
const changeOn = this.cascaderComponent.nzChangeOn;
const shouldPerformSelection = (o, i) => typeof changeOn === 'function' ? changeOn(o, i) : false;
if (multiple ||
node.isLeaf ||
this.cascaderComponent.nzChangeOnSelect ||
shouldPerformSelection(node.origin, index)) {
node.isSelected = true;
this.cascaderComponent.treeService.setSelectedNodeList(node, multiple);
this.cascaderComponent.updateSelectedNodes();
this.$redraw.next();
this.$nodeSelected.next(node);
}
}
setNodeDeactivatedSinceColumn(column) {
this.dropBehindActivatedNodes(column - 1);
this.dropBehindColumns(column);
this.$redraw.next();
}
/**
* Set a searching option as selected, finishing up things.
*
* @param node
* @param multiple
*/
setSearchOptionSelected(node, multiple = false) {
this.setNodeSelected(node, node.level, multiple);
setTimeout(() => {
// Reset data and tell UI only to remove input and reset dropdown width style.
this.$quitSearching.next();
this.$redraw.next();
}, 200);
}
/**
* Reset node's `title` and `disabled` status and clear `searchOptionPathMap`.
*/
clearSearchOptions() {
for (const node of this.searchOptionPathMap.keys()) {
node.isDisabled = node.origin.disabled || false;
node.title = this.getOptionLabel(node.origin);
}
this.searchOptionPathMap.clear();
}
/**
* Filter cascader options to reset `columns`.
*
* @param searchValue The string user wants to search.
*/
prepareSearchOptions(searchValue) {
const results = []; // Search results only have one layer.
const path = [];
const defaultFilter = (i, p) => p.some(o => {
const label = this.getOptionLabel(o);
return !!label && label.indexOf(i) !== -1;
});
const showSearch = this.cascaderComponent.nzShowSearch;
const filter = isShowSearchObject(showSearch) && showSearch.filter ? showSearch.filter : defaultFilter;
const sorter = isShowSearchObject(showSearch) && showSearch.sorter ? showSearch.sorter : null;
const loopChild = (node, forceDisabled = false) => {
path.push(node);
const cPath = this.cascaderComponent.treeService.toOptions(path);
if (filter(searchValue, cPath)) {
this.searchOptionPathMap.set(node, cPath);
node.isDisabled = forceDisabled || node.isDisabled;
node.title = cPath.map(p => this.getOptionLabel(p)).join(' / ');
results.push(node);
}
path.pop();
};
const loopParent = (node, forceDisabled = false) => {
const disabled = forceDisabled || node.isDisabled;
path.push(node);
node.children.forEach(sNode => {
if (!sNode.isLeaf) {
loopParent(sNode, disabled);
}
if (sNode.isLeaf || !sNode.children || !sNode.children.length) {
loopChild(sNode, disabled);
}
});
path.pop();
};
if (!this.columnSnapshot.length) {
this.columns = [[]];
return;
}
this.columnSnapshot[0].forEach(o => (isChildNode(o) ? loopChild(o) : loopParent(o)));
if (sorter) {
results.sort((a, b) => sorter(this.searchOptionPathMap.get(a), this.searchOptionPathMap.get(b), searchValue));
}
this.columns = [results];
this.$redraw.next(); // Search results may be empty, so should redraw.
}
/**
* Set searching mode by UI. It deals with things not directly related to UI.
*
* @param toSearching If this cascader is entering searching mode
*/
setSearchingMode(toSearching) {
this.inSearchingMode = toSearching;
if (toSearching) {
this.clearSearchOptions(); // if reset nzOptions when searching, should clear searchOptionPathMap
this.columnSnapshot = [...this.columns];
this.activatedNodes = [];
}
else {
// User quit searching mode without selecting an option.
this.clearSearchOptions();
this.activatedNodes = [];
setTimeout(() => {
this.columns = [...this.columnSnapshot];
if (this.cascaderComponent.selectedNodes.length) {
const activatedNode = this.cascaderComponent.selectedNodes[0];
const columnIndex = activatedNode.level;
this.activatedNodes[columnIndex] = activatedNode;
this.trackAncestorActivatedNodes(columnIndex);
this.trackAncestorColumnData(columnIndex);
}
this.$redraw.next();
});
}
this.$redraw.next();
}
/**
* Clear selected options.
*/
clear() {
this.values = [];
this.activatedNodes = [];
this.dropBehindColumns(0);
this.$redraw.next();
this.$nodeSelected.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 nodes Options to insert
* @param columnIndex Position
*/
setColumnData(nodes, columnIndex) {
this.columns[columnIndex] = nodes;
this.dropBehindColumns(columnIndex);
}
/**
* Set all columns data according to activate option's path
*/
trackAncestorColumnData(startIndex) {
const node = this.activatedNodes[startIndex];
if (!node) {
return;
}
this.dropBehindColumns(startIndex);
for (let i = 0; i < startIndex; i++) {
this.columns[i + 1] = this.activatedNodes[i].children;
}
}
/**
* Set all ancestor options as activated.
*/
trackAncestorActivatedNodes(startIndex) {
for (let i = startIndex - 1; i >= 0; i--) {
if (!this.activatedNodes[i]) {
this.activatedNodes[i] = this.activatedNodes[i + 1].parentNode;
}
}
}
dropBehindActivatedNodes(lastReserveIndex) {
this.activatedNodes = this.activatedNodes.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(node, columnIndex, onLoaded) {
const isRoot = columnIndex < 0 || !isNotNil(node);
const option = node?.origin || {};
const loadFn = this.cascaderComponent.nzLoadData;
if (loadFn) {
// If there isn't any option in columns.
this.$loading.next(isRoot);
if (node) {
node.isLoading = true;
}
from(loadFn(option, columnIndex))
.pipe(finalize(() => {
node && (node.isLoading = false);
this.$loading.next(false);
this.$redraw.next();
}))
.subscribe({
next: () => {
if (option.children) {
if (!isRoot) {
const nodes = option.children.map(o => new NzTreeNode(o, node));
node.children = nodes;
this.setColumnData(nodes, columnIndex + 1);
}
else {
// If it's root node, we should initialize the tree.
const nodes = this.cascaderComponent.coerceTreeNodes(option.children);
this.cascaderComponent.treeService.initTree(nodes);
this.setColumnData(nodes, 0);
}
onLoaded?.(option.children);
}
},
error: () => {
node && (node.isLeaf = true);
}
});
}
}
isLoaded(index) {
return !!this.columns[index] && this.columns[index].length > 0;
}
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.2", ngImport: i0, type: NzCascaderService, deps: [], target: i0.ɵɵFactoryTarget.Injectable });
static ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "19.2.2", ngImport: i0, type: NzCascaderService });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.2", ngImport: i0, type: NzCascaderService, decorators: [{
type: Injectable
}] });
const NZ_CONFIG_MODULE_NAME = 'cascader';
const defaultDisplayRender = (labels) => labels.join(' / ');
let NzCascaderComponent = (() => {
let _classSuper = NzTreeBase;
let _nzSize_decorators;
let _nzSize_initializers = [];
let _nzSize_extraInitializers = [];
let _nzBackdrop_decorators;
let _nzBackdrop_initializers = [];
let _nzBackdrop_extraInitializers = [];
return class NzCascaderComponent extends _classSuper {
static {
const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create(_classSuper[Symbol.metadata] ?? null) : void 0;
_nzSize_decorators = [WithConfig()];
_nzBackdrop_decorators = [WithConfig()];
__esDecorate(null, null, _nzSize_decorators, { kind: "field", name: "nzSize", static: false, private: false, access: { has: obj => "nzSize" in obj, get: obj => obj.nzSize, set: (obj, value) => { obj.nzSize = value; } }, metadata: _metadata }, _nzSize_initializers, _nzSize_extraInitializers);
__esDecorate(null, null, _nzBackdrop_decorators, { kind: "field", name: "nzBackdrop", static: false, private: false, access: { has: obj => "nzBackdrop" in obj, get: obj => obj.nzBackdrop, set: (obj, value) => { obj.nzBackdrop = value; } }, metadata: _metadata }, _nzBackdrop_initializers, _nzBackdrop_extraInitializers);
if (_metadata) Object.defineProperty(this, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
}
ngZone;
cdr;
i18nService;
destroy$;
elementRef;
renderer;
directionality;
_nzModuleName = NZ_CONFIG_MODULE_NAME;
selectContainer;
set input(inputComponent) {
this.input$.next(inputComponent?.inputElement);
}
get input() {
return this.input$.getValue();
}
/** Used to store the native `<input type="search" />` element since it might be set asynchronously. */
input$ = new BehaviorSubject(undefined);
menu;
overlay;
cascaderItems;
nzOptionRender = null;
nzShowInput = true;
nzShowArrow = true;
nzAllowClear = true;
nzAutoFocus = false;
nzChangeOnSelect = false;
nzDisabled = false;
nzColumnClassName;
nzExpandTrigger = 'click';
nzValueProperty = 'value';
nzLabelProperty = 'label';
nzLabelRender = null;
nzNotFoundContent;
nzSize = __runInitializers(this, _nzSize_initializers, 'default');
nzBackdrop = (__runInitializers(this, _nzSize_extraInitializers), __runInitializers(this, _nzBackdrop_initializers, false));
nzShowSearch = (__runInitializers(this, _nzBackdrop_extraInitializers), false);
nzPlaceHolder = '';
nzMenuClassName;
nzMenuStyle = null;
/**
* Duration in milliseconds before opening the menu when the mouse enters the trigger.
* @default 150
*/
nzMouseLeaveDelay = 150;
/**
* Duration in milliseconds before closing the menu when the mouse leaves the trigger.
* @default 150
*/
nzMouseEnterDelay = 150;
nzStatus = '';
nzMultiple = false;
nzMaxTagCount = Infinity;
nzPlacement = 'bottomLeft';
nzTriggerAction = ['click'];
nzChangeOn;
nzLoadData;
nzDisplayWith = (nodes) => {
return defaultDisplayRender(nodes.map(n => this.cascaderService.getOptionLabel(n)));
};
// TODO: RTL
nzSuffixIcon = 'down';
nzExpandIcon = '';
get nzOptions() {
return this.cascaderService.nzOptions;
}
set nzOptions(options) {
const nodes = this.coerceTreeNodes(options || []);
this.treeService.initTree(nodes);
this.cascaderService.columns = [nodes];
this.updateSelectedNodes(true);
if (this.inSearchingMode) {
this.cascaderService.setSearchingMode(this.inSearchingMode);
this.cascaderService.prepareSearchOptions(this.inputValue);
}
}
get treeService() {
return this.nzTreeService;
}
nzVisibleChange = new EventEmitter();
nzSelectionChange = new EventEmitter();
nzRemoved = new EventEmitter();
nzClear = new EventEmitter();
prefixCls = 'ant-select';
statusCls = {};
status = '';
hasFeedback = false;
/**
* If the dropdown should show the empty content.
* `true` if there's no options.
*/
shouldShowEmpty = false;
el;
menuVisible = false;
isLoading = false;
labelRenderText;
labelRenderContext = {};
onChange = Function.prototype;
onTouched = Function.prototype;
positions = [...DEFAULT_CASCADER_POSITIONS];
/**
* Dropdown width in pixel.
*/
dropdownWidthStyle;
dropdownHeightStyle = '';
dropdownPosition = 'bottomLeft';
isFocused = false;
locale;
dir = 'ltr';
isComposing = false;
get overlayOrigin() {
return this.elementRef;
}
finalSize = computed(() => {
if (this.compactSize) {
return this.compactSize();
}
return this.size();
});
size = signal(this.nzSize);
compactSize = inject(NZ_SPACE_COMPACT_SIZE, { optional: true });
inputString = '';
isOpening = false;
delayMenuTimer;
delaySelectTimer;
isNzDisableFirstChange = true;
selectedNodes = [];
get inSearchingMode() {
return this.cascaderService.inSearchingMode;
}
set inputValue(inputValue) {
this.inputString = inputValue;
this.toggleSearchingMode(!!inputValue);
}
get inputValue() {
return this.inputString;
}
get hasInput() {
return !!this.inputValue;
}
get hasValue() {
return this.cascaderService.values && this.cascaderService.values.length > 0;
}
get showLabelRender() {
return !this.hasInput && !this.nzMultiple && !!this.selectedNodes.length;
}
get showPlaceholder() {
return !(this.hasInput || this.hasValue);
}
get clearIconVisible() {
return this.nzAllowClear && !this.nzDisabled && (this.hasValue || this.hasInput);
}
get isLabelRenderTemplate() {
return !!this.nzLabelRender;
}
noAnimation = inject(NzNoAnimationDirective, { host: true, optional: true });
nzFormStatusService = inject(NzFormStatusService, { optional: true });
nzFormNoStatusService = inject(NzFormNoStatusService, { optional: true });
nzConfigService = inject(NzConfigService);
cascaderService = inject(NzCascaderService);
constructor(treeService, ngZone, cdr, i18nService, destroy$, elementRef, renderer, directionality) {
super(treeService);
this.ngZone = ngZone;
this.cdr = cdr;
this.i18nService = i18nService;
this.destroy$ = destroy$;
this.elementRef = elementRef;
this.renderer = renderer;
this.directionality = directionality;
this.el = elementRef.nativeElement;
this.cascaderService.withComponent(this);
this.renderer.addClass(this.elementRef.nativeElement, 'ant-select');
this.renderer.addClass(this.elementRef.nativeElement, 'ant-cascader');
}
ngOnInit() {
this.nzFormStatusService?.formStatusChanges
.pipe(distinctUntilChanged((pre, cur) => pre.status === cur.status && pre.hasFeedback === cur.hasFeedback), withLatestFrom(this.nzFormNoStatusService ? this.nzFormNoStatusService.noFormStatus : of(false)), map(([{ status, hasFeedback }, noStatus]) => ({ status: noStatus ? '' : status, hasFeedback })), takeUntil(this.destroy$))
.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.$nodeSelected.pipe(takeUntil(this.destroy$)).subscribe(node => {
if (!node) {
this.emitValue([]);
this.nzSelectionChange.emit([]);
}
else {
const shouldClose =
// keep menu opened if multiple mode
!this.nzMultiple && (node.isLeaf || (this.nzChangeOnSelect && this.nzExpandTrigger === 'hover'));
if (shouldClose) {
this.delaySetMenuVisible(false);
}
this.nzSelectionChange.emit(this.getAncestorOptionList(node));
this.cdr.markForCheck();
}
});
srv.$quitSearching.pipe(takeUntil(this.destroy$)).subscribe(() => {
this.inputValue = '';
this.dropdownWidthStyle = '';
});
this.i18nService.localeChange.pipe(startWith(), takeUntil(this.destroy$)).subscribe(() => {
this.setLocale();
});
this.size.set(this.nzSize);
this.nzConfigService
.getConfigChangeEventForComponent(NZ_CONFIG_MODULE_NAME)
.pipe(takeUntil(this.destroy$))
.subscribe(() => {
this.size.set(this.nzSize);
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.setupSelectionChangeListener();
this.setupChangeListener();
this.setupKeydownListener();
this.setupFocusListener();
}
ngOnChanges(changes) {
const { nzStatus, nzSize, nzPlacement } = changes;
if (nzStatus) {
this.setStatusStyles(this.nzStatus, this.hasFeedback);
}
if (nzSize) {
this.size.set(nzSize.currentValue);
}
if (nzPlacement) {
const { currentValue } = nzPlacement;
this.dropdownPosition = currentValue;
const listOfPlacement = ['bottomLeft', 'topLeft', 'bottomRight', 'topRight'];
if (currentValue && listOfPlacement.includes(currentValue)) {
this.positions = [POSITION_MAP[currentValue]];
}
else {
this.positions = listOfPlacement.map(e => POSITION_MAP[e]);
}
}
}
ngOnDestroy() {
this.clearDelayMenuTimer();
this.clearDelaySelectTimer();
}
registerOnChange(fn) {
this.onChange = fn;
}
registerOnTouched(fn) {
this.onTouched = fn;
}
writeValue(value) {
if (isNotNil(value)) {
if (this.nzMultiple) {
this.cascaderService.values = toArray(value);
}
else {
this.cascaderService.values = [toArray(value)];
}
// need clear selected nodes when user set value before updating
this.clearSelectedNodes();
this.updateSelectedNodes(true, false);
}
else {
this.cascaderService.values = [];
this.clearSelectedNodes();
this.selectedNodes = [];
this.cascaderService.$redraw.next();
}
}
setupSelectionChangeListener() {
merge(this.nzSelectionChange, this.nzRemoved, this.nzClear)
.pipe(takeUntil(this.destroy$))
.subscribe(() => {
this.updateSelectedNodes();
this.emitValue(this.cascaderService.values);
this.cascaderService.$redraw.next();
});
}
delaySetMenuVisible(visible, delay = 100, setOpening = false) {
this.clearDelayMenuTimer();
if (delay) {
if (visible && setOpening) {
this.isOpening = true;
}
this.delayMenuTimer = setTimeout(() => {
this.setMenuVisible(visible);
this.cdr.detectChanges();
this.clearDelayMenuTimer();
if (visible) {
setTimeout(() => {
this.isOpening = false;
}, 100);
}
}, delay);
}
else {
this.setMenuVisible(visible);
}
}
setMenuVisible(visible) {
if (this.nzDisabled || this.menuVisible === visible) {
return;
}
if (visible) {
this.cascaderService.$redraw.next();
this.updateSelectedNodes(!!this.nzLoadData);
this.scrollToActivatedOptions();
}
else {
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.clearSelectedNodes();
this.labelRenderText = '';
this.labelRenderContext = {};
this.inputValue = '';
this.setMenuVisible(false);
this.cascaderService.clear();
this.nzClear.emit();
}
clearSelectedNodes() {
this.selectedNodes.forEach(node => {
this.removeSelected(node, false);
});
}
emitValue(values) {
if (this.nzMultiple) {
this.onChange(values);
}
else {
this.onChange(values?.length ? values[0] : []);
}
}
/**
* @internal
*/
getSubmitValue() {
if (this.nzMultiple) {
return this.cascaderService.values;
}
else {
return this.cascaderService.values?.length ? this.cascaderService.values[0] : [];
}
}
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();
}
isComposingChange(isComposing) {
this.isComposing = isComposing;
}
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(node, columnIndex, event) {
event.preventDefault();
if (this.nzExpandTrigger === 'hover') {
if (!node.isLeaf) {
this.delaySetOptionActivated(node, columnIndex, false);
}
else {
this.cascaderService.setNodeDeactivatedSinceColumn(columnIndex);
}
}
}
onOptionMouseLeave(node, _columnIndex, event) {
event.preventDefault();
if (this.nzExpandTrigger === 'hover' && !node.isLeaf) {
this.clearDelaySelectTimer();
}
}
/**
* Get ancestor options of a node
*/
getAncestorOptionList(node) {
const ancestors = this.treeService.getAncestorNodeList(node);
return this.treeService.toOptions(ancestors);
}
updateSelectedNodes(init = false, updateValue = true) {
const value = this.cascaderService.values;
const multiple = this.nzMultiple;
/**
* Update selected nodes and emit value
* @param shouldUpdateValue if false, only update selected nodes
*/
const updateNodesAndValue = (shouldUpdateValue) => {
this.selectedNodes = [...(this.nzMultiple ? this.getCheckedNodeList() : this.getSelectedNodeList())].sort((a, b) => {
const indexA = value.indexOf(a.key);
const indexB = value.indexOf(b.key);
if (indexA !== -1 && indexB !== -1) {
return indexA - indexB;
}
if (indexA !== -1) {
return -1;
}
if (indexB !== -1) {
return 1;
}
return 0;
});
if (shouldUpdateValue) {
this.cascaderService.values = this.selectedNodes.map(node => this.getAncestorOptionList(node).map(o => this.cascaderService.getOptionValue(o)));
}
this.cascaderService.$redraw.next();
};
if (init) {
const defaultValue = value[0];
const lastColumnIndex = defaultValue?.length ? defaultValue.length - 1 : 0;
this.treeService.fieldNames = {
value: this.nzValueProperty,
label: this.nzLabelProperty
};
this.treeService.isMultiple = multiple;
this.treeService.isCheckStrictly = false;
/**
* check whether the node is checked or selected according to the value
*/
const checkNodeStates = () => {
if (multiple) {
this.treeService.conductCheckPaths(value, this.treeService.isCheckStrictly);
}
else {
this.treeService.conductSelectedPaths(value);
}
};
const initColumnWithIndex = (columnIndex = 0) => {
const activatedOptionSetter = () => {
const currentValue = defaultValue?.[columnIndex];
if (!isNotNil(currentValue)) {
this.cascaderService.$redraw.next();
return;
}
const node = this.cascaderService.columns[columnIndex].find(n => this.cascaderService.getOptionValue(n.origin) === currentValue) || null;
if (isNotNil(node)) {
this.cascaderService.setNodeActivated(node, columnIndex, false, multiple, false);
// Load next level options till leaf node
if (columnIndex < lastColumnIndex) {
initColumnWithIndex(columnIndex + 1);
}
}
checkNodeStates();
updateNodesAndValue(false);
};
if (this.cascaderService.isLoaded(columnIndex) || !this.nzLoadData) {
activatedOptionSetter();
}
else {
const node = this.cascaderService.activatedNodes[columnIndex - 1];
this.ca