本文整理匯總了TypeScript中@nebular/theme.NbTreeGridDataSourceBuilder類的典型用法代碼示例。如果您正苦於以下問題：TypeScript NbTreeGridDataSourceBuilder類的具體用法？TypeScript NbTreeGridDataSourceBuilder怎麽用？TypeScript NbTreeGridDataSourceBuilder使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了NbTreeGridDataSourceBuilder類的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: describe
describe('NbTreeGridDataSourceBuilder custom node getters', () => {
const mockConnectionViewer = { viewChange: EMPTY };
const getters: NbGetters<CustomStructure, CustomStructure> = {
dataGetter: node => node,
childrenGetter: node => node.childNodes,
expandedGetter: node => !!node.expanded,
};
let dataSourceBuilder: NbTreeGridDataSourceBuilder<CustomStructure>;
beforeEach(() => {
TestBed.configureTestingModule({
imports: [ NbThemeModule.forRoot(), NbTreeGridModule ],
});
});
beforeEach(inject([ NbTreeGridDataSourceBuilder ], builder => {
dataSourceBuilder = builder;
}));
it('should use custom data accessor if provided', fakeAsync(() => {
const dataGetterSpy = createSpy('dataGetter', getters.dataGetter).and.callThrough();
const spyGetters = { ...getters, dataGetter: dataGetterSpy };
const dataSource = dataSourceBuilder.create(customStructureData, spyGetters);
expect(dataGetterSpy).toHaveBeenCalledTimes(2);
let presentationNodes: NbTreeGridPresentationNode<CustomStructure>[] = [];
dataSource.connect(mockConnectionViewer)
.pipe(take(1))
.subscribe(nodes => presentationNodes = nodes as NbTreeGridPresentationNode<CustomStructure>[]);
tick();
expect(presentationNodes[0].data).toEqual(customStructureData[0]);
expect(presentationNodes[1].data).toEqual(customStructureData[0].childNodes[0]);
}));
it('should use custom children accessor if provided', fakeAsync(() => {
const childrenGetterSpy = createSpy('childrenGetter', getters.childrenGetter).and.callThrough();
const spyGetters = { ...getters, childrenGetter: childrenGetterSpy };
const dataSource = dataSourceBuilder.create(customStructureData, spyGetters);
expect(childrenGetterSpy).toHaveBeenCalledTimes(2);
let presentationNodes: NbTreeGridPresentationNode<CustomStructure>[] = [];
dataSource.connect(mockConnectionViewer)
.pipe(take(1))
.subscribe(nodes => presentationNodes = nodes as NbTreeGridPresentationNode<CustomStructure>[]);
tick();
expect(presentationNodes[0].data.childNodes[0]).toEqual(customStructureData[0].childNodes[0]);
}));
it('should use custom expanded accessor if provided', fakeAsync(() => {
const expandedGetterSpy = createSpy('expandedGetter', getters.expandedGetter).and.callThrough();
const spyGetters = { ...getters, expandedGetter: expandedGetterSpy };
const dataSource = dataSourceBuilder.create(customStructureData, spyGetters);
expect(expandedGetterSpy).toHaveBeenCalledTimes(2);
let presentationNodes: NbTreeGridPresentationNode<CustomStructure>[] = [];
dataSource.connect(mockConnectionViewer)
.pipe(take(1))
.subscribe(nodes => presentationNodes = nodes as NbTreeGridPresentationNode<CustomStructure>[]);
tick();
expect(presentationNodes[0].expanded).toEqual(true);
}));
});示例2: it
it('should use custom expanded accessor if provided', fakeAsync(() => {
const expandedGetterSpy = createSpy('expandedGetter', getters.expandedGetter).and.callThrough();
const spyGetters = { ...getters, expandedGetter: expandedGetterSpy };
const dataSource = dataSourceBuilder.create(customStructureData, spyGetters);
expect(expandedGetterSpy).toHaveBeenCalledTimes(2);
let presentationNodes: NbTreeGridPresentationNode<CustomStructure>[] = [];
dataSource.connect(mockConnectionViewer)
.pipe(take(1))
.subscribe(nodes => presentationNodes = nodes as NbTreeGridPresentationNode<CustomStructure>[]);
tick();
expect(presentationNodes[0].expanded).toEqual(true);
}));