public boolean isLayoutChanged() {
Container defaultContainer =
(Container) BeanSupport.getDefaultInstance(radContainer.getBeanClass());
Container defaultContDelegate = radContainer.getContainerDelegate(defaultContainer);
return layoutDelegate.isLayoutChanged(defaultContainer, defaultContDelegate);
}
/**
* Creation and initialization of a layout delegate for a new container.
*
* @param initialize
* @return false if suitable layout delegate is not found
* @throws java.lang.Exception
* @throw IllegalArgumentException if the container instance is not empty
*/
public boolean prepareLayoutDelegate(boolean initialize) throws Exception {
LayoutSupportDelegate delegate = null;
LayoutManager lmInstance = null;
// first try to find a dedicated layout delegate (for the container)
Class<?> layoutDelegateClass =
LayoutSupportRegistry.getSupportClassForContainer(radContainer.getBeanClass());
if (layoutDelegateClass != null) {
delegate = (LayoutSupportDelegate) layoutDelegateClass.newInstance();
/*
if (!delegate.checkEmptyContainer(getPrimaryContainer())) {
RuntimeException ex = new IllegalArgumentException();
org.openide.ErrorManager.getDefault().annotate(
ex, AbstractLayoutSupport.getBundle().getString(
"MSG_ERR_NonEmptyContainer")); // NOI18N
throw ex;
}
*/
} else {
Container contDel = getPrimaryContainerDelegate();
// if (contDel.getComponentCount() == 0) {
// we can still handle only empty containers ...
lmInstance = contDel.getLayout();
delegate = LayoutSupportRegistry.createSupportForLayout(lmInstance.getClass());
/*
} else {
RuntimeException ex = new IllegalArgumentException();
org.openide.ErrorManager.getDefault().annotate(
ex, AbstractLayoutSupport.getBundle().getString(
"MSG_ERR_NonEmptyContainer")); // NOI18N
throw ex;
}
*/
}
if (delegate != null) {
if (initialize) {
setLayoutDelegate(delegate);
} else {
layoutDelegate = delegate;
needInit = true;
initializeFromInstance = lmInstance != null;
}
return true;
} else {
return false;
}
}