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refactor(module:cascader): refactor cascader
close NG-ZORRO#2935, NG-ZORRO#2198
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Wendell
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Nov 27, 2018
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,15 @@ | ||
| --- | ||
| order: 16 | ||
| title: | ||
| zh-CN: 自定义字段名 | ||
| en-US: Custom Field Names | ||
| --- | ||
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| ## zh-CN | ||
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| 自定义字段名。 | ||
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| ## en-US | ||
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| Custom field names. | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,73 @@ | ||
| // tslint:disable:no-any | ||
| import { Component } from '@angular/core'; | ||
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| const options = [{ | ||
| code: 'zhejiang', | ||
| name: 'Zhejiang', | ||
| children: [{ | ||
| code: 'hangzhou', | ||
| name: 'Hangzhou', | ||
| children: [{ | ||
| code: 'xihu', | ||
| name: 'West Lake', | ||
| isLeaf: true | ||
| }] | ||
| }, { | ||
| code: 'ningbo', | ||
| name: 'Ningbo', | ||
| children: [{ | ||
| code: 'dongqianlake', | ||
| name: 'Dongqian Lake', | ||
| isLeaf: true | ||
| }] | ||
| }] | ||
| }, { | ||
| code: 'jiangsu', | ||
| name: 'Jiangsu', | ||
| children: [{ | ||
| code: 'nanjing', | ||
| name: 'Nanjing', | ||
| children: [{ | ||
| code: 'zhonghuamen', | ||
| name: 'Zhong Hua Men', | ||
| isLeaf: true | ||
| }] | ||
| }] | ||
| }]; | ||
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| @Component({ | ||
| selector: 'nz-demo-cascader-custom-field-names', | ||
| template: ` | ||
| <nz-cascader | ||
| [nzChangeOn]="validate" | ||
| [nzOptions]="nzOptions" | ||
| [nzLabelProperty]="'name'" | ||
| [nzValueProperty]="'code'" | ||
| [nzShowSearch]="true" | ||
| [(ngModel)]="values" | ||
| (ngModelChange)="onChanges($event)"> | ||
| </nz-cascader>`, | ||
| styles : [ | ||
| ` | ||
| .ant-cascader-picker { | ||
| width: 300px; | ||
| } | ||
| ` | ||
| ] | ||
| }) | ||
| export class NzDemoCascaderCustomFieldNamesComponent { | ||
| /** init data */ | ||
| nzOptions = options; | ||
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| /** ngModel value */ | ||
| public values: any[] = null; | ||
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| public onChanges(values: any): void { | ||
| console.log(values, this.values); | ||
| } | ||
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| public validate(option: any, index: number): boolean { | ||
| const value = option.value; | ||
| return ['hangzhou', 'xihu', 'nanjing', 'zhonghuamen'].indexOf(value) >= 0; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| <ng-container *ngIf="highlightText"><span [innerHTML]="renderHighlightString(getOptionLabel())"></span></ng-container> | ||
| <ng-container *ngIf="!highlightText">{{ getOptionLabel() }}</ng-container> | ||
| <span *ngIf="!option.isLeaf || option.children && option.children.length || option.loading" class="ant-cascader-menu-item-expand-icon"> | ||
| <i nz-icon [type]="option.loading ? 'loading' : 'right'"></i> | ||
| </span> |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,37 @@ | ||
| import { ChangeDetectionStrategy, Component, Input, SecurityContext, ViewEncapsulation } from '@angular/core'; | ||
| import { DomSanitizer } from '@angular/platform-browser'; | ||
| import { CascaderOption } from './types'; | ||
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| @Component({ | ||
| changeDetection: ChangeDetectionStrategy.OnPush, | ||
| encapsulation : ViewEncapsulation.None, | ||
| selector : '[nz-cascader-option]', | ||
| templateUrl : './nz-cascader-li.component.html', | ||
| host : { | ||
| '[attr.title]' : 'option.title || getOptionLabel()', | ||
| '[class.ant-cascader-menu-item]' : 'true', | ||
| '[class.ant-cascader-menu-item-active]' : 'activated', | ||
| '[class.ant-cascader-menu-item-expand]' : '!option.isLeaf', | ||
| '[class.ant-cascader-menu-item-disabled]': 'option.disabled' | ||
| } | ||
| }) | ||
| export class NzCascaderOptionComponent { | ||
| @Input() option: CascaderOption; | ||
| @Input() activated = false; | ||
| @Input() highlightText: string; | ||
| @Input() nzLabelProperty = 'label'; | ||
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| constructor(private sanitizer: DomSanitizer) {} | ||
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| getOptionLabel(): string { | ||
| return this.option ? this.option[ this.nzLabelProperty ] : ''; | ||
| } | ||
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| renderHighlightString(str: string): string { | ||
| const safeHtml = this.sanitizer.sanitize(SecurityContext.HTML, `<span class="ant-cascader-menu-item-keyword">${this.highlightText}</span>`); | ||
| if (!safeHtml) { | ||
| throw new Error(`[NG-ZORRO] Input value "${this.highlightText}" is not considered security.`); | ||
| } | ||
| return str.replace(new RegExp(this.highlightText, 'g'), safeHtml); | ||
| } | ||
| } |
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