/*
* Kouretes Statechart Editor-KSE developed
* by Angeliki Topalidou-Kyniazopoulou
* for Kouretes Team. Code developed by Nikolaos Spanoudakis, Alex Parashos,
* ibm, apache and eclipse is used.
*/
package statechart.diagram.sheet;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.gmf.runtime.emf.type.core.IElementType;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.jface.viewers.BaseLabelProvider;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.graphics.Image;
import statechart.diagram.navigator.StateChartNavigatorGroup;
import statechart.diagram.part.StateChartVisualIDRegistry;
import statechart.diagram.providers.StateChartElementTypes;
/**
* @generated
*/
public class StateChartSheetLabelProvider extends BaseLabelProvider implements
ILabelProvider {
/**
* @generated
*/
public String getText(Object element) {
element = unwrap(element);
if (element instanceof StateChartNavigatorGroup) {
return ((StateChartNavigatorGroup) element).getGroupName();
}
IElementType etype = getElementType(getView(element));
return etype == null ? "" : etype.getDisplayName();
}
/**
* @generated
*/
public Image getImage(Object element) {
IElementType etype = getElementType(getView(unwrap(element)));
return etype == null ? null : StateChartElementTypes.getImage(etype);
}
/**
* @generated
*/
private Object unwrap(Object element) {
if (element instanceof IStructuredSelection) {
return ((IStructuredSelection) element).getFirstElement();
}
return element;
}
/**
* @generated
*/
private View getView(Object element) {
if (element instanceof View) {
return (View) element;
}
if (element instanceof IAdaptable) {
return (View) ((IAdaptable) element).getAdapter(View.class);
}
return null;
}
/**
* @generated
*/
private IElementType getElementType(View view) {
// For intermediate views climb up the containment hierarchy to find the one associated with an element type.
while (view != null) {
int vid = StateChartVisualIDRegistry.getVisualID(view);
IElementType etype = StateChartElementTypes.getElementType(vid);
if (etype != null) {
return etype;
}
view = view.eContainer() instanceof View ? (View) view.eContainer()
: null;
}
return null;
}
}