ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
113 lines • 14.2 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 { MediaMatcher } from '@angular/cdk/layout';
import { Platform } from '@angular/cdk/platform';
import { Directive, ElementRef, Input, NgZone, Renderer2 } from '@angular/core';
import { gridResponsiveMap, NzBreakpointService } from 'ng-zorro-antd/core/services';
import { ReplaySubject, Subject } from 'rxjs';
import { takeUntil } from 'rxjs/operators';
export class NzRowDirective {
constructor(elementRef, renderer, mediaMatcher, ngZone, platform, breakpointService) {
this.elementRef = elementRef;
this.renderer = renderer;
this.mediaMatcher = mediaMatcher;
this.ngZone = ngZone;
this.platform = platform;
this.breakpointService = breakpointService;
this.nzAlign = null;
this.nzJustify = null;
this.nzGutter = null;
this.actualGutter$ = new ReplaySubject(1);
this.destroy$ = new Subject();
// TODO: move to host after View Engine deprecation
this.elementRef.nativeElement.classList.add('ant-row');
}
getGutter() {
const results = [null, null];
const gutter = this.nzGutter || 0;
const normalizedGutter = Array.isArray(gutter) ? gutter : [gutter, null];
normalizedGutter.forEach((g, index) => {
if (typeof g === 'object' && g !== null) {
results[index] = null;
Object.keys(gridResponsiveMap).map((screen) => {
const bp = screen;
if (this.mediaMatcher.matchMedia(gridResponsiveMap[bp]).matches && g[bp]) {
results[index] = g[bp];
}
});
}
else {
results[index] = g || null;
}
});
return results;
}
setGutterStyle() {
const [horizontalGutter, verticalGutter] = this.getGutter();
this.actualGutter$.next([horizontalGutter, verticalGutter]);
const renderGutter = (name, gutter) => {
const nativeElement = this.elementRef.nativeElement;
if (gutter !== null) {
this.renderer.setStyle(nativeElement, name, `-${gutter / 2}px`);
}
};
renderGutter('margin-left', horizontalGutter);
renderGutter('margin-right', horizontalGutter);
renderGutter('margin-top', verticalGutter);
renderGutter('margin-bottom', verticalGutter);
}
ngOnInit() {
this.setGutterStyle();
}
ngOnChanges(changes) {
if (changes.nzGutter) {
this.setGutterStyle();
}
}
ngAfterViewInit() {
if (this.platform.isBrowser) {
this.breakpointService
.subscribe(gridResponsiveMap)
.pipe(takeUntil(this.destroy$))
.subscribe(() => {
this.setGutterStyle();
});
}
}
ngOnDestroy() {
this.destroy$.next();
this.destroy$.complete();
}
}
NzRowDirective.decorators = [
{ type: Directive, args: [{
selector: '[nz-row],nz-row,nz-form-item',
exportAs: 'nzRow',
host: {
'[class.ant-row-top]': `nzAlign === 'top'`,
'[class.ant-row-middle]': `nzAlign === 'middle'`,
'[class.ant-row-bottom]': `nzAlign === 'bottom'`,
'[class.ant-row-start]': `nzJustify === 'start'`,
'[class.ant-row-end]': `nzJustify === 'end'`,
'[class.ant-row-center]': `nzJustify === 'center'`,
'[class.ant-row-space-around]': `nzJustify === 'space-around'`,
'[class.ant-row-space-between]': `nzJustify === 'space-between'`
}
},] }
];
NzRowDirective.ctorParameters = () => [
{ type: ElementRef },
{ type: Renderer2 },
{ type: MediaMatcher },
{ type: NgZone },
{ type: Platform },
{ type: NzBreakpointService }
];
NzRowDirective.propDecorators = {
nzAlign: [{ type: Input }],
nzJustify: [{ type: Input }],
nzGutter: [{ type: Input }]
};
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* Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE\n */\n\nimport { MediaMatcher } from '@angular/cdk/layout';\nimport { Platform } from '@angular/cdk/platform';\nimport { AfterViewInit, Directive, ElementRef, Input, NgZone, OnChanges, OnDestroy, OnInit, Renderer2, SimpleChanges } from '@angular/core';\nimport { gridResponsiveMap, NzBreakpointKey, NzBreakpointService } from 'ng-zorro-antd/core/services';\nimport { IndexableObject } from 'ng-zorro-antd/core/types';\nimport { ReplaySubject, Subject } from 'rxjs';\nimport { takeUntil } from 'rxjs/operators';\n\nexport type NzJustify = 'start' | 'end' | 'center' | 'space-around' | 'space-between';\nexport type NzAlign = 'top' | 'middle' | 'bottom';\n\n@Directive({\n  selector: '[nz-row],nz-row,nz-form-item',\n  exportAs: 'nzRow',\n  host: {\n    '[class.ant-row-top]': `nzAlign === 'top'`,\n    '[class.ant-row-middle]': `nzAlign === 'middle'`,\n    '[class.ant-row-bottom]': `nzAlign === 'bottom'`,\n    '[class.ant-row-start]': `nzJustify === 'start'`,\n    '[class.ant-row-end]': `nzJustify === 'end'`,\n    '[class.ant-row-center]': `nzJustify === 'center'`,\n    '[class.ant-row-space-around]': `nzJustify === 'space-around'`,\n    '[class.ant-row-space-between]': `nzJustify === 'space-between'`\n  }\n})\nexport class NzRowDirective implements OnInit, OnChanges, AfterViewInit, OnDestroy {\n  @Input() nzAlign: NzAlign | null = null;\n  @Input() nzJustify: NzJustify | null = null;\n  @Input() nzGutter: number | IndexableObject | [number, number] | [IndexableObject, IndexableObject] | null = null;\n\n  readonly actualGutter$ = new ReplaySubject<[number | null, number | null]>(1);\n\n  private readonly destroy$ = new Subject();\n\n  getGutter(): [number | null, number | null] {\n    const results: [number | null, number | null] = [null, null];\n    const gutter = this.nzGutter || 0;\n    const normalizedGutter = Array.isArray(gutter) ? gutter : [gutter, null];\n    normalizedGutter.forEach((g, index) => {\n      if (typeof g === 'object' && g !== null) {\n        results[index] = null;\n        Object.keys(gridResponsiveMap).map((screen: string) => {\n          const bp = screen as NzBreakpointKey;\n          if (this.mediaMatcher.matchMedia(gridResponsiveMap[bp]).matches && g[bp]) {\n            results[index] = g![bp] as number;\n          }\n        });\n      } else {\n        results[index] = g || null;\n      }\n    });\n    return results;\n  }\n\n  setGutterStyle(): void {\n    const [horizontalGutter, verticalGutter] = this.getGutter();\n    this.actualGutter$.next([horizontalGutter, verticalGutter]);\n    const renderGutter = (name: string, gutter: number | null) => {\n      const nativeElement = this.elementRef.nativeElement;\n      if (gutter !== null) {\n        this.renderer.setStyle(nativeElement, name, `-${gutter / 2}px`);\n      }\n    };\n    renderGutter('margin-left', horizontalGutter);\n    renderGutter('margin-right', horizontalGutter);\n    renderGutter('margin-top', verticalGutter);\n    renderGutter('margin-bottom', verticalGutter);\n  }\n\n  constructor(\n    public elementRef: ElementRef,\n    public renderer: Renderer2,\n    public mediaMatcher: MediaMatcher,\n    public ngZone: NgZone,\n    public platform: Platform,\n    private breakpointService: NzBreakpointService\n  ) {\n    // TODO: move to host after View Engine deprecation\n    this.elementRef.nativeElement.classList.add('ant-row');\n  }\n\n  ngOnInit(): void {\n    this.setGutterStyle();\n  }\n\n  ngOnChanges(changes: SimpleChanges): void {\n    if (changes.nzGutter) {\n      this.setGutterStyle();\n    }\n  }\n\n  ngAfterViewInit(): void {\n    if (this.platform.isBrowser) {\n      this.breakpointService\n        .subscribe(gridResponsiveMap)\n        .pipe(takeUntil(this.destroy$))\n        .subscribe(() => {\n          this.setGutterStyle();\n        });\n    }\n  }\n\n  ngOnDestroy(): void {\n    this.destroy$.next();\n    this.destroy$.complete();\n  }\n}\n"]}