ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
121 lines • 16.1 kB
JavaScript
/**
* 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
*/
import { ChangeDetectionStrategy, Component, ContentChildren, EventEmitter, Input, Output, QueryList, TemplateRef, ViewEncapsulation } from '@angular/core';
import { toBoolean } from 'ng-zorro-antd/core/util';
import { merge, Subject } from 'rxjs';
import { startWith, takeUntil } from 'rxjs/operators';
import { NzStepComponent } from './step.component';
export class NzStepsComponent {
constructor() {
this.nzCurrent = 0;
this.nzDirection = 'horizontal';
this.nzLabelPlacement = 'horizontal';
this.nzType = 'default';
this.nzSize = 'default';
this.nzStartIndex = 0;
this.nzStatus = 'process';
this.nzIndexChange = new EventEmitter();
this.destroy$ = new Subject();
this.showProcessDot = false;
this.classMap = {};
}
set nzProgressDot(value) {
if (value instanceof TemplateRef) {
this.showProcessDot = true;
this.customProcessDotTemplate = value;
}
else {
this.showProcessDot = toBoolean(value);
}
this.updateChildrenSteps();
}
ngOnChanges(changes) {
if (changes.nzStartIndex || changes.nzDirection || changes.nzStatus || changes.nzCurrent) {
this.updateChildrenSteps();
}
if (changes.nzDirection || changes.nzProgressDot || changes.nzLabelPlacement || changes.nzSize) {
this.setClassMap();
}
}
ngOnInit() {
this.setClassMap();
this.updateChildrenSteps();
}
ngOnDestroy() {
this.destroy$.next();
this.destroy$.complete();
if (this.indexChangeSubscription) {
this.indexChangeSubscription.unsubscribe();
}
}
ngAfterContentInit() {
if (this.steps) {
this.steps.changes.pipe(startWith(null), takeUntil(this.destroy$)).subscribe(() => {
this.updateChildrenSteps();
});
}
}
updateChildrenSteps() {
if (this.steps) {
const length = this.steps.length;
this.steps.toArray().forEach((step, index) => {
Promise.resolve().then(() => {
step.outStatus = this.nzStatus;
step.showProcessDot = this.showProcessDot;
if (this.customProcessDotTemplate) {
step.customProcessTemplate = this.customProcessDotTemplate;
}
step.clickable = this.nzIndexChange.observers.length > 0;
step.direction = this.nzDirection;
step.index = index + this.nzStartIndex;
step.currentIndex = this.nzCurrent;
step.last = length === index + 1;
step.markForCheck();
});
});
if (this.indexChangeSubscription) {
this.indexChangeSubscription.unsubscribe();
}
this.indexChangeSubscription = merge(...this.steps.map(step => step.click$)).subscribe(index => this.nzIndexChange.emit(index));
}
}
setClassMap() {
this.classMap = {
[`ant-steps-${this.nzDirection}`]: true,
[`ant-steps-label-horizontal`]: this.nzDirection === 'horizontal',
[`ant-steps-label-vertical`]: (this.showProcessDot || this.nzLabelPlacement === 'vertical') && this.nzDirection === 'horizontal',
[`ant-steps-dot`]: this.showProcessDot,
['ant-steps-small']: this.nzSize === 'small',
['ant-steps-navigation']: this.nzType === 'navigation'
};
}
}
NzStepsComponent.decorators = [
{ type: Component, args: [{
changeDetection: ChangeDetectionStrategy.OnPush,
encapsulation: ViewEncapsulation.None,
preserveWhitespaces: false,
selector: 'nz-steps',
exportAs: 'nzSteps',
template: `
<div class="ant-steps" [ngClass]="classMap">
<ng-content></ng-content>
</div>
`
},] }
];
NzStepsComponent.propDecorators = {
steps: [{ type: ContentChildren, args: [NzStepComponent,] }],
nzCurrent: [{ type: Input }],
nzDirection: [{ type: Input }],
nzLabelPlacement: [{ type: Input }],
nzType: [{ type: Input }],
nzSize: [{ type: Input }],
nzStartIndex: [{ type: Input }],
nzStatus: [{ type: Input }],
nzProgressDot: [{ type: Input }],
nzIndexChange: [{ type: Output }]
};
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status: string; index: number }>;\n@Component({\n  changeDetection: ChangeDetectionStrategy.OnPush,\n  encapsulation: ViewEncapsulation.None,\n  preserveWhitespaces: false,\n  selector: 'nz-steps',\n  exportAs: 'nzSteps',\n  template: `\n    <div class=\"ant-steps\" [ngClass]=\"classMap\">\n      <ng-content></ng-content>\n    </div>\n  `\n})\nexport class NzStepsComponent implements OnChanges, OnInit, OnDestroy, AfterContentInit {\n  static ngAcceptInputType_nzProgressDot: BooleanInput | nzProgressDotTemplate | undefined | null;\n\n  @ContentChildren(NzStepComponent) steps!: QueryList<NzStepComponent>;\n\n  @Input() nzCurrent = 0;\n  @Input() nzDirection: NzDirectionType = 'horizontal';\n  @Input() nzLabelPlacement: 'horizontal' | 'vertical' = 'horizontal';\n  @Input() nzType: 'default' | 'navigation' = 'default';\n  @Input() nzSize: NzSizeDSType = 'default';\n  @Input() nzStartIndex = 0;\n  @Input() nzStatus: NzStatusType = 'process';\n\n  @Input()\n  set nzProgressDot(value: boolean | nzProgressDotTemplate) {\n    if (value instanceof TemplateRef) {\n      this.showProcessDot = true;\n      this.customProcessDotTemplate = value;\n    } else {\n      this.showProcessDot = toBoolean(value);\n    }\n    this.updateChildrenSteps();\n  }\n\n  @Output() readonly nzIndexChange = new EventEmitter<number>();\n\n  private destroy$ = new Subject<void>();\n  private indexChangeSubscription?: Subscription;\n\n  showProcessDot = false;\n  customProcessDotTemplate?: TemplateRef<{ $implicit: TemplateRef<void>; status: string; index: number }>;\n  classMap: NgClassType = {};\n\n  ngOnChanges(changes: SimpleChanges): void {\n    if (changes.nzStartIndex || changes.nzDirection || changes.nzStatus || changes.nzCurrent) {\n      this.updateChildrenSteps();\n    }\n    if (changes.nzDirection || changes.nzProgressDot || changes.nzLabelPlacement || changes.nzSize) {\n      this.setClassMap();\n    }\n  }\n\n  ngOnInit(): void {\n    this.setClassMap();\n    this.updateChildrenSteps();\n  }\n\n  ngOnDestroy(): void {\n    this.destroy$.next();\n    this.destroy$.complete();\n    if (this.indexChangeSubscription) {\n      this.indexChangeSubscription.unsubscribe();\n    }\n  }\n\n  ngAfterContentInit(): void {\n    if (this.steps) {\n      this.steps.changes.pipe(startWith(null), takeUntil(this.destroy$)).subscribe(() => {\n        this.updateChildrenSteps();\n      });\n    }\n  }\n\n  private updateChildrenSteps(): void {\n    if (this.steps) {\n      const length = this.steps.length;\n      this.steps.toArray().forEach((step, index) => {\n        Promise.resolve().then(() => {\n          step.outStatus = this.nzStatus;\n          step.showProcessDot = this.showProcessDot;\n          if (this.customProcessDotTemplate) {\n            step.customProcessTemplate = this.customProcessDotTemplate;\n          }\n          step.clickable = this.nzIndexChange.observers.length > 0;\n          step.direction = this.nzDirection;\n          step.index = index + this.nzStartIndex;\n          step.currentIndex = this.nzCurrent;\n          step.last = length === index + 1;\n          step.markForCheck();\n        });\n      });\n      if (this.indexChangeSubscription) {\n        this.indexChangeSubscription.unsubscribe();\n      }\n      this.indexChangeSubscription = merge(...this.steps.map(step => step.click$)).subscribe(index => this.nzIndexChange.emit(index));\n    }\n  }\n\n  private setClassMap(): void {\n    this.classMap = {\n      [`ant-steps-${this.nzDirection}`]: true,\n      [`ant-steps-label-horizontal`]: this.nzDirection === 'horizontal',\n      [`ant-steps-label-vertical`]: (this.showProcessDot || this.nzLabelPlacement === 'vertical') && this.nzDirection === 'horizontal',\n      [`ant-steps-dot`]: this.showProcessDot,\n      ['ant-steps-small']: this.nzSize === 'small',\n      ['ant-steps-navigation']: this.nzType === 'navigation'\n    };\n  }\n}\n"]}