/**
* Creates a new SWT {@link Composite} with this <code>ViewAppState</code> embedded within it.
* This method gets an {@link VizEmbeddedView} from the {@link MasterApplication}, connects with
* that view, and embeds that view in the <code>Composite</code>.
*
* @param parent The parent <code>Composite</code>.
* @return The <code>Composite</code> that has an embedded jME view managed by this <code>
* ViewAppState</code>. This <code>Composite</code>'s layout should be set by the caller.
* <b>This <code>Composite</code> should be disposed when it is no longer required</b>.
*/
public Composite createComposite(Composite parent) {
// Set the default return value and check the parameter.
Composite composite = null;
if (parent != null && embeddedView == null) {
// Get an EmbeddedView that uses the app for rendering.
embeddedView = app.getEmbeddedView();
// Create the embedded Composite. When it is disposed, the
// associated EmbeddedView should be released.
composite =
new Composite(parent, SWT.EMBEDDED) {
@Override
public void dispose() {
// Dispose of resources tied with this specific view.
disposeView(embeddedView);
super.dispose();
}
};
// Create the AWT frame inside the SWT.EMBEDDED Composite.
Frame embeddedFrame = SWT_AWT.new_Frame(composite);
// Add the AwtPanel to the embedded AWT Frame. The panel needs to
// fill the Frame.
embeddedFrame.setLayout(new BorderLayout());
// Attach the EmbeddedView to the embedded Frame.
embeddedView.addToEmbeddedFrame(embeddedFrame);
embeddedFrame.pack();
embeddedFrame.setVisible(true);
// Wait for a maximum of 5 seconds if the view has not been
// initialized yet. The ViewAppState must be initialized!!!
int limit = 5000;
int count = 0;
while (!isInitialized() && count < limit) {
try {
Thread.sleep(50);
count += 50;
} catch (InterruptedException e) {
logger.error(getClass().getName() + " Exception!", e);
}
}
// Register with the EmbeddedView.
embeddedView.registerViewClient(this);
// Make sure the controls are enabled.
enableControls();
}
return composite;
}
