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TypeScript index.createEmbeddedView函數代碼示例

本文整理匯總了TypeScript中@angular/core/src/view/index.createEmbeddedView函數的典型用法代碼示例。如果您正苦於以下問題:TypeScript createEmbeddedView函數的具體用法?TypeScript createEmbeddedView怎麽用?TypeScript createEmbeddedView使用的例子?那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。


在下文中一共展示了createEmbeddedView函數的3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: it

    it('should attach and detach embedded views', () => {
      const {view: parentView, rootNodes} = createAndGetRootNodes(compViewDef([
        elementDef(NodeFlags.None, null, null, 2, 'div'),
        anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, embeddedViewDef([
                    elementDef(NodeFlags.None, null, null, 0, 'span', {'name': 'child0'})
                  ])),
        anchorDef(NodeFlags.None, null, null, 0, embeddedViewDef([
                    elementDef(NodeFlags.None, null, null, 0, 'span', {'name': 'child1'})
                  ]))
      ]));

      const childView0 = createEmbeddedView(parentView, parentView.def.nodes[1]);

      const childView1 = createEmbeddedView(parentView, parentView.def.nodes[2]);

      const rootChildren = getDOM().childNodes(rootNodes[0]);
      attachEmbeddedView(asElementData(parentView, 1), 0, childView0);
      attachEmbeddedView(asElementData(parentView, 1), 1, childView1);

      // 2 anchors + 2 elements
      expect(rootChildren.length).toBe(4);
      expect(getDOM().getAttribute(rootChildren[1], 'name')).toBe('child0');
      expect(getDOM().getAttribute(rootChildren[2], 'name')).toBe('child1');

      detachEmbeddedView(asElementData(parentView, 1), 1);
      detachEmbeddedView(asElementData(parentView, 1), 0);

      expect(getDOM().childNodes(rootNodes[0]).length).toBe(2);
    });
開發者ID:doxiaodong,項目名稱:angular,代碼行數:29,代碼來源:embedded_view_spec.ts

示例2: it

    it('should dirty check embedded views', () => {
      let childValue = 'v1';
      const parentContext = new Object();
      const childContext = new Object();
      const updater = jasmine.createSpy('updater').and.callFake(
          (updater: NodeUpdater, view: ViewData) => updater.checkInline(view, 0, childValue));

      const {view: parentView, rootNodes} = createAndGetRootNodes(
          compViewDef([
            elementDef(NodeFlags.None, 1, 'div'),
            anchorDef(
                NodeFlags.HasEmbeddedViews, 0,
                embeddedViewDef(
                    [elementDef(
                        NodeFlags.None, 0, 'span', null,
                        [[BindingType.ElementAttribute, 'name', SecurityContext.NONE]])],
                    updater))
          ]),
          parentContext);

      const childView0 = createEmbeddedView(parentView, parentView.def.nodes[1], childContext);

      const rootEl = rootNodes[0];
      attachEmbeddedView(parentView.nodes[1], 0, childView0);

      checkAndUpdateView(parentView);

      expect(updater).toHaveBeenCalled();
      // component
      expect(updater.calls.mostRecent().args[2]).toBe(parentContext);
      // view context
      expect(updater.calls.mostRecent().args[3]).toBe(childContext);

      updater.calls.reset();
      checkNoChangesView(parentView);

      expect(updater).toHaveBeenCalled();
      // component
      expect(updater.calls.mostRecent().args[2]).toBe(parentContext);
      // view context
      expect(updater.calls.mostRecent().args[3]).toBe(childContext);

      childValue = 'v2';
      expect(() => checkNoChangesView(parentView))
          .toThrowError(
              `Expression has changed after it was checked. Previous value: 'v1'. Current value: 'v2'.`);
    });
開發者ID:JSMike,項目名稱:angular,代碼行數:47,代碼來源:embedded_view_spec.ts

示例3: it

    it('should include projected nodes when attaching / detaching embedded views', () => {
      const {view, rootNodes} = createAndGetRootNodes(compViewDef(hostElDef([textDef(0, ['a'])], [
        elementDef(NodeFlags.None, null, null, 1, 'div'),
        anchorDef(NodeFlags.HasEmbeddedViews, null, 0, 0, embeddedViewDef([ngContentDef(null, 0)])),
      ])));

      const componentView = asProviderData(view, 1).componentView;
      const view0 = createEmbeddedView(componentView, componentView.def.nodes[1]);

      attachEmbeddedView(asElementData(componentView, 1), 0, view0);
      expect(getDOM().childNodes(getDOM().firstChild(rootNodes[0])).length).toBe(2);
      expect(getDOM().childNodes(getDOM().firstChild(rootNodes[0]))[1])
          .toBe(asTextData(view, 2).renderText);

      detachEmbeddedView(asElementData(componentView, 1), 0);
      expect(getDOM().childNodes(getDOM().firstChild(rootNodes[0])).length).toBe(1);
    });
開發者ID:doxiaodong,項目名稱:angular,代碼行數:17,代碼來源:ng_content_spec.ts


注:本文中的@angular/core/src/view/index.createEmbeddedView函數示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。