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feat(module:transfer): add transfer component (#578)
export transfer component. fix code review issues. related #132
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| export interface TransferItem { | ||
| title: string; | ||
| direction?: 'left' | 'right'; | ||
| disabled?: boolean; | ||
| checked?: boolean; | ||
| _hiden?: boolean; | ||
| [key: string]: any; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,178 @@ | ||
| // tslint:disable:member-ordering | ||
| import { Component, Input, ContentChild, TemplateRef, Renderer2, ElementRef, OnChanges, SimpleChanges, Output, EventEmitter, OnInit, DoCheck, IterableDiffers, IterableDiffer } from '@angular/core'; | ||
| import { TransferItem } from './item'; | ||
|
|
||
| @Component({ | ||
| selector: 'nz-transfer-list', | ||
| template: ` | ||
| <div class="ant-transfer-list-header"> | ||
| <label nz-checkbox [(ngModel)]="stat.checkAll" (ngModelChange)="onHandleSelectAll()" | ||
| [nzIndeterminate]="stat.checkHalf"></label><span class="ant-transfer-list-header-selected"> | ||
| <span>{{ (stat.checkCount > 0 ? stat.checkCount + '/' : '') + stat.shownCount}} {{_list.length > 1 ? itemsUnit : itemUnit}}</span> | ||
| <span *ngIf="titleText" class="ant-transfer-list-header-title">{{titleText}}</span> | ||
| </span> | ||
| </div> | ||
| <div class="{{showSearch ? 'ant-transfer-list-body ant-transfer-list-body-with-search' : 'ant-transfer-list-body'}}" | ||
| [ngClass]="{'ant-transfer__nodata': stat.shownCount === 0}"> | ||
| <div *ngIf="showSearch" class="ant-transfer-list-body-search-wrapper"> | ||
| <nz-transfer-search class="ant-transfer-list-search" | ||
| (valueChanged)="handleFilter($event)" | ||
| (valueClear)="handleClear()" | ||
| [placeholder]="searchPlaceholder" | ||
| [value]="filter"></nz-transfer-search> | ||
| </div> | ||
| <ul class="ant-transfer-list-content"> | ||
| <ng-container *ngFor="let item of _list"> | ||
| <li *ngIf="!item._hiden" (click)="_handleSelect(item)" class="ant-transfer-list-content-item"> | ||
| <label nz-checkbox [ngModel]="item.checked" [nzDisabled]="item.disabled"> | ||
| <span> | ||
| <ng-container *ngIf="!render; else renderContainer">{{item.title}}</ng-container> | ||
| <ng-template #renderContainer [ngTemplateOutlet]="render" [ngTemplateOutletContext]="{ $implicit: item }"></ng-template> | ||
| </span> | ||
| </label> | ||
| </li> | ||
| </ng-container> | ||
| </ul> | ||
| <div class="ant-transfer-list-body-not-found">{{notFoundContent}}</div> | ||
| </div> | ||
| <div *ngIf="footer" class="ant-transfer-list-footer"> | ||
| <ng-template [ngTemplateOutlet]="footer" [ngTemplateOutletContext]="{ $implicit: direction }"></ng-template> | ||
| </div> | ||
| ` | ||
| }) | ||
| export class NzTransferListComponent implements OnChanges, OnInit, DoCheck { | ||
|
|
||
| // private | ||
| _list: TransferItem[] = []; | ||
|
|
||
| // region: fields | ||
|
|
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| @Input() direction = ''; | ||
| @Input() titleText = ''; | ||
|
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| @Input() | ||
| set dataSource(list: TransferItem[]) { | ||
| this._list = list; | ||
| this.updateCheckStatus(); | ||
| } | ||
|
|
||
| @Input() itemUnit = ''; | ||
| @Input() itemsUnit = ''; | ||
| @Input() filter = ''; | ||
| // search | ||
| @Input() showSearch: boolean; | ||
| @Input() searchPlaceholder: string; | ||
| @Input() notFoundContent: string; | ||
| @Input() filterOption: (inputValue: any, item: any) => boolean; | ||
|
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| @Input() render: TemplateRef<any>; | ||
| @Input() footer: TemplateRef<any>; | ||
|
|
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| // events | ||
| @Output() handleSelectAll: EventEmitter<boolean> = new EventEmitter<boolean>(); | ||
| @Output() handleSelect: EventEmitter<any> = new EventEmitter<any>(); | ||
| @Output() filterChange: EventEmitter<any> = new EventEmitter<any>(); | ||
|
|
||
| // endregion | ||
|
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| // region: styles | ||
|
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| _prefixCls = 'ant-transfer-list'; | ||
| _classList: string[] = []; | ||
|
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| _setClassMap() { | ||
| this._classList.forEach(cls => this._renderer.removeClass(this._el.nativeElement, cls)); | ||
|
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| this._classList = [ | ||
| this._prefixCls, | ||
| !!this.footer && `${this._prefixCls}-with-footer` | ||
| ].filter(item => !!item); | ||
|
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||
| this._classList.forEach(cls => this._renderer.addClass(this._el.nativeElement, cls)); | ||
| } | ||
|
|
||
| // endregion | ||
|
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||
| // region: select all | ||
| stat = { | ||
| checkAll: false, | ||
| checkHalf: false, | ||
| checkCount: 0, | ||
| shownCount: 0 | ||
| }; | ||
|
|
||
| onHandleSelectAll() { | ||
| this._list.forEach(item => { | ||
| if (!item.disabled) { | ||
| item.checked = this.stat.checkAll; | ||
| } | ||
| }); | ||
| this.updateCheckStatus(); | ||
|
|
||
| this.handleSelectAll.emit(this.stat.checkAll); | ||
| } | ||
|
|
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| private updateCheckStatus() { | ||
| const validCount = this._list.filter(w => !w.disabled).length; | ||
| this.stat.checkCount = this._list.filter(w => w.checked && !w.disabled).length; | ||
| this.stat.shownCount = this._list.filter(w => !w._hiden).length; | ||
| this.stat.checkAll = validCount > 0 && validCount === this.stat.checkCount; | ||
| this.stat.checkHalf = this.stat.checkCount > 0 && !this.stat.checkAll; | ||
| } | ||
|
|
||
| // endregion | ||
|
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| // region: search | ||
|
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| handleFilter(value: string) { | ||
| this._list.forEach(item => { | ||
| item._hiden = value.length > 0 && !this.matchFilter(value, item); | ||
| }); | ||
| this.stat.shownCount = this._list.filter(w => !w._hiden).length; | ||
| this.filterChange.emit({ direction: this.direction, value }); | ||
| } | ||
|
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| handleClear() { | ||
| this.handleFilter(''); | ||
| } | ||
|
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| private matchFilter(text: string, item: TransferItem) { | ||
| if (this.filterOption) { | ||
| return this.filterOption(text, item); | ||
| } | ||
| return item.title.includes(text); | ||
| } | ||
|
|
||
| // endregion | ||
|
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| _listDiffer: IterableDiffer<{}>; | ||
| constructor(private _el: ElementRef, private _renderer: Renderer2, differs: IterableDiffers) { | ||
| this._listDiffer = differs.find([]).create(null); | ||
| } | ||
|
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| ngOnChanges(changes: SimpleChanges): void { | ||
| if ('footer' in changes) { | ||
| this._setClassMap(); | ||
| } | ||
| } | ||
|
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| ngOnInit() { | ||
| this._setClassMap(); | ||
| } | ||
|
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| ngDoCheck(): void { | ||
| const change = this._listDiffer.diff(this._list); | ||
| if (change) { | ||
| this.updateCheckStatus(); | ||
| } | ||
| } | ||
|
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| _handleSelect(item: TransferItem) { | ||
| if (item.disabled) { | ||
| return; | ||
| } | ||
| item.checked = !item.checked; | ||
| this.updateCheckStatus(); | ||
| this.handleSelect.emit(item); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| import { Component, Input, Output, EventEmitter } from '@angular/core'; | ||
|
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| @Component({ | ||
| selector: 'nz-transfer-search', | ||
| template: ` | ||
| <input nz-input [(ngModel)]="value" (ngModelChange)="_handle()" | ||
| [placeholder]="placeholder" class="ant-transfer-list-search"> | ||
| <a *ngIf="value && value.length > 0; else def" class="ant-transfer-list-search-action" (click)="_clear()"> | ||
| <i class="anticon anticon-cross-circle"></i> | ||
| </a> | ||
| <ng-template #def><span class="ant-transfer-list-search-action"><i class="anticon anticon-search"></i></span></ng-template> | ||
| ` | ||
| }) | ||
| export class NzTransferSearchComponent { | ||
|
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| // region: fields | ||
|
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| @Input() placeholder: string; | ||
| @Input() value: string; | ||
|
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| @Output() valueChanged = new EventEmitter<string>(); | ||
| @Output() valueClear = new EventEmitter(); | ||
|
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| // endregion | ||
|
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| _handle() { | ||
| this.valueChanged.emit(this.value); | ||
| } | ||
|
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| _clear() { | ||
| this.value = ''; | ||
| this.valueClear.emit(); | ||
| } | ||
|
|
||
| } |
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