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feat: destroy dropdown panel on close (#286)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| .ng-dropdown-panel { | ||
| box-sizing: border-box; | ||
| position: absolute; | ||
| width: 100%; | ||
| z-index: 3; | ||
| -webkit-overflow-scrolling: touch; | ||
| .ng-dropdown-panel-items { | ||
| display: block; | ||
| height: auto; | ||
| -webkit-box-sizing: border-box; | ||
| -moz-box-sizing: border-box; | ||
| box-sizing: border-box; | ||
| max-height: 240px; | ||
| overflow-y: auto; | ||
| .ng-option { | ||
| box-sizing: border-box; | ||
| cursor: pointer; | ||
| display: block; | ||
| .highlighted { | ||
| font-weight: bold; | ||
| text-decoration: underline; | ||
| } | ||
| &.disabled { | ||
| cursor: default; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| .scroll-host { | ||
| overflow: hidden; | ||
| overflow-y: auto; | ||
| position: relative; | ||
| display: block; | ||
| -webkit-overflow-scrolling: touch; | ||
| } | ||
| .scrollable-content { | ||
| top: 0; | ||
| left: 0; | ||
| width: 100%; | ||
| height: 100%; | ||
| position: absolute; | ||
| } | ||
| .total-padding { | ||
| width: 1px; | ||
| opacity: 0; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| import { Component, Injectable, ViewChild, ErrorHandler, NgZone } from '@angular/core'; | ||
| import { ComponentFixture, TestBed, async } from '@angular/core/testing'; | ||
| import { NgDropdownPanelComponent } from './ng-dropdown-panel.component'; | ||
| import { NgSelectComponent } from './ng-select.component'; | ||
| import { WindowService } from './window.service'; | ||
| import { VirtualScrollService } from './virtual-scroll.service'; | ||
| import { ItemsList } from './items-list'; | ||
| import { MockNgZone, MockNgWindow } from '../testing/mocks'; | ||
| import { TestsErrorHandler } from '../testing/helpers'; | ||
|
|
||
| @Component({ | ||
| template: ` | ||
| <ng-dropdown-panel *ngIf="isOpen" | ||
| class="ng-dropdown-panel" | ||
| [items]="itemsList.filteredItems" | ||
| (update)="viewPortItems = $event"> | ||
| <div class="ng-option" *ngFor="let item of viewPortItems">{{item.label}}</div> | ||
| </ng-dropdown-panel> | ||
| ` | ||
| }) | ||
| @Injectable() | ||
| class MockNgSelect { | ||
| @ViewChild(NgDropdownPanelComponent) dropdownPanel: NgDropdownPanelComponent; | ||
| itemsList = new ItemsList(<any>this); | ||
| viewPortItems = []; | ||
| isOpen = true; | ||
| } | ||
|
|
||
| describe('NgDropdowPanel', function () { | ||
| let fixture: ComponentFixture<MockNgSelect>; | ||
|
|
||
| beforeEach(() => { | ||
| fixture = TestBed.configureTestingModule({ | ||
| providers: [ | ||
| VirtualScrollService, | ||
| { provide: ErrorHandler, useClass: TestsErrorHandler }, | ||
| { provide: NgZone, useFactory: () => new MockNgZone() }, | ||
| { provide: WindowService, useFactory: () => new MockNgWindow() }, | ||
| { provide: NgSelectComponent, useClass: MockNgSelect }, | ||
| ], | ||
| declarations: [ | ||
| NgDropdownPanelComponent, | ||
| MockNgSelect | ||
| ] | ||
| }).createComponent(MockNgSelect); | ||
|
|
||
| fixture.detectChanges(); | ||
| }); | ||
|
|
||
| it('should render items', async(() => { | ||
| fixture.componentInstance.itemsList.setItems(['A', 'B', 'C'], true); | ||
| fixture.detectChanges(); | ||
|
|
||
| fixture.whenStable().then(() => { | ||
| expect(fixture.componentInstance.dropdownPanel.items.length).toBe(3); | ||
| const options = fixture.debugElement.nativeElement.querySelectorAll('.ng-option'); | ||
| expect(options.length).toBe(3); | ||
| expect(options[0].innerText).toBe('A'); | ||
| expect(options[1].innerText).toBe('B'); | ||
| expect(options[2].innerText).toBe('C'); | ||
| }); | ||
| })); | ||
|
|
||
| it('should not render items when items length is zero', async(() => { | ||
| fixture.componentInstance.itemsList.setItems([]); | ||
| fixture.detectChanges(); | ||
|
|
||
| fixture.whenStable().then(() => { | ||
| expect(fixture.componentInstance.dropdownPanel.items.length).toBe(0); | ||
| const options = fixture.debugElement.nativeElement.querySelectorAll('.ng-option'); | ||
| expect(options.length).toBe(0); | ||
| }); | ||
| })); | ||
|
|
||
| }); | ||
|
|
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