gwt - GWT 可调整大小的组合

Question

我正在尝试一个简单的实验，ResizableComposite通过记录小部件的宽度和高度，但我没有得到任何响应。

可调整大小的流面板

public class ResizableFlowPanel extends FlowPanel implements RequiresResize, ProvidesResize {

    public ResizableFlowPanel() {
    super();
    }

    @Override
    public void onResize() {
    GWT.log(this.getOffsetHeight() +","+this.getOffsetWidth());
    }

}

AppBody.java

public class AppBody extends ResizeComposite implements RequiresResize,
    ProvidesResize {
    private static AppBodyUiBinder uiBinder = GWT.create(AppBodyUiBinder.class);

    public AppBody() {
    initWidget(uiBinder.createAndBindUi(this));
    }

    @Override
    public void onResize() {
    GWT.log(this.getOffsetHeight() + "," + this.getOffsetWidth());
    super.onResize();
    }

    interface AppBodyUiBinder extends UiBinder<Widget, AppBody> {
    }

}

AppBody.ui.xml

<ui:UiBinder ...>
    <e:ResizableFlowPanel styleName="{bundle.appBodyStyle.app_body}">

    </e:ResizableFlowPanel>
</ui:UiBinder> 

当我调整浏览器大小时，我没有收到任何日志消息。