Example usage for com.google.gwt.user.client.ui.impl FormPanelImplHost FormPanelImplHost

Introduction

In this page you can find the example usage for com.google.gwt.user.client.ui.impl FormPanelImplHost FormPanelImplHost.

Prototype

FormPanelImplHost

Source Link

Usage

From source file:rocket.widget.client.FormPanel.java

License:Apache License

@Override
protected void onAttach() {
    super.onAttach();

    // Create and attach a hidden iframe to the body element.
    final Element iframe = createIFrame();
    this.setIFrame(iframe);
    RootPanel.getBodyElement().appendChild(iframe);

    // Hook up the underlying iframe's onLoad event when attached to the
    // DOM./* www  .  ja  v a 2  s . co m*/
    // Making this connection only when attached avoids memory-leak issues.
    // The FormPanel cannot use the built-in GWT event-handling mechanism
    // because there is no standard onLoad event on iframes that works
    // across
    // browsers.
    FormPanel.getSupport().hookEvents(iframe, getElement(), new FormPanelImplHost() {

        public boolean onFormSubmit() {
            return FormPanel.this.onFormSubmit();
        }

        public void onFrameLoad() {
            FormPanel.this.onFrameLoad();
        }
    });
}

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