/*******************************************************************************
* Copyright (c) 2006-2012
* Software Technology Group, Dresden University of Technology
* DevBoost GmbH, Berlin, Amtsgericht Charlottenburg, HRB 140026
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Software Technology Group - TU Dresden, Germany;
* DevBoost GmbH - Berlin, Germany
* - initial API and implementation
******************************************************************************/
package org.reuseware.coconut.compositionprogram.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 org.reuseware.coconut.compositionprogram.diagram.navigator.CompositionprogramNavigatorGroup;
import org.reuseware.coconut.compositionprogram.diagram.part.CompositionprogramVisualIDRegistry;
import org.reuseware.coconut.compositionprogram.diagram.providers.CompositionprogramElementTypes;
/**
* @generated
*/
public class CompositionprogramSheetLabelProvider extends BaseLabelProvider
implements ILabelProvider {
/**
* @generated
*/
public String getText(Object element) {
element = unwrap(element);
if (element instanceof CompositionprogramNavigatorGroup) {
return ((CompositionprogramNavigatorGroup) 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 : CompositionprogramElementTypes
.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 = CompositionprogramVisualIDRegistry.getVisualID(view);
IElementType etype = CompositionprogramElementTypes
.getElementType(vid);
if (etype != null) {
return etype;
}
view = view.eContainer() instanceof View ? (View) view.eContainer()
: null;
}
return null;
}
}