/**
* Initializes the <code>ViewAppState</code>.
*
* <p><b>Note:</b> If this method is overridden, then the first call from the sub-class should be
* <code>super.initAppState();</code> in order to properly initialize the default <code>
* SimpleAppState</code> and <code>ViewAppState</code> features.
*/
@Override
protected void initAppState() {
// Proceed with the default initialize method.
super.initAppState();
// If the app should display the axes by default, attach the axes to the
// scene graph.
if (getDisplayAxes()) {
rootNode.attachChild(axes);
}
// Create the axes.
initAxes();
// If the app should display the HUD by default, attach the guiNode to
// the Application.
if (getDisplayHUD()) {
rootGuiNode.attachChild(guiNode);
}
// Attach this view's root node and GUI node to the application's
// respective nodes.
this.app.getRootNode().attachChild(rootNode);
this.app.getGuiNode().attachChild(rootGuiNode);
return;
}
/**
* This method detaches from the {@link #embeddedView} before performing the default stop
* operation.
*/
@Override
public void stop() {
if (isInitialized()) {
// If the EmbeddedView exists, we should disconnect from it first so
// the AwtPanelsContext does not try to update/render this
// ViewAppState's scene.
disposeView(embeddedView);
// Continue with the default stop operation.
super.stop();
}
return;
}
/**
* Disconnects the <code>ViewAppState</code> from the associated {@link Application}.
*
* <p><b>Note:</b> If this method is overridden, then the first call from the sub-class should be
* <code>super.cleanupAppState();</code> in order to properly clean up the default <code>
* SimpleAppState</code> and <code>ViewAppState</code> features.
*/
@Override
public void cleanupAppState() {
// Detach this view's root node and GUI node from the application's
// respective nodes.
app.getRootNode().detachChild(rootNode);
app.getGuiNode().detachChild(rootGuiNode);
// Un-initialize all of the initialized components of the ViewAppState.
clearAxes();
// Unset the reference to the MasterApplication.
app = null;
// Proceed with the default cleanup last.
super.cleanupAppState();
}
/**
* Starts the <code>ViewAppState</code> by attaching it to the specified <code>MasterApplication
* </code>.
*
* @param app The jME-based <code>MasterApplication</code> that will be hosting this <code>
* ViewAppState</code>.
*/
public void start(MasterApplication app) {
// Do not proceed if the AppState is initialized or the parameter is
// null.
if (!isInitialized() && app != null) {
// Set the app and get the next available ID.
this.app = app;
this.id = app.getNextId();
// Update the names of the root and GUI Node in the
// MasterApplication's scene graph.
rootNode.setName("root-" + id);
guiNode.setName("gui-" + id);
// Now proceed with the normal start procedure.
super.start(app);
}
return;
}