/*******************************************************************************
* <copyright>
*
* Copyright (c) 2005, 2010 SAP AG.
* 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:
* SAP AG - initial API, implementation and documentation
*
* </copyright>
*
*******************************************************************************/
package org.eclipse.graphiti.ui.platform;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gef.EditPart;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.jface.viewers.IFilter;
/**
* The Class AbstractPropertySectionFilter.
*/
abstract public class AbstractPropertySectionFilter implements IFilter {
final public boolean select(Object object) {
if (object instanceof EditPart) {
EditPart editPart = (EditPart) object;
Object model = editPart.getModel();
if (model instanceof PictogramElement) {
PictogramElement pictogramElement = (PictogramElement) model;
return accept(pictogramElement);
}
} else if (object instanceof EObject) {
if (object instanceof PictogramElement) {
return accept((PictogramElement) object);
}
} else if (object instanceof IAdaptable) {
IAdaptable adaptable = (IAdaptable) object;
Object editPartAdapter = adaptable.getAdapter(EditPart.class);
if (editPartAdapter instanceof EditPart) {
return select(editPartAdapter);
}
Object eObjectAdapter = adaptable.getAdapter(EObject.class);
if (eObjectAdapter instanceof EObject) {
return select(eObjectAdapter);
}
}
return false;
}
/**
* Check the given pictogram element for acceptance.
*
* @param pictogramElement
* the pictogram element
* @return true, if pictogram element is accepted, otherwise false
*/
abstract protected boolean accept(PictogramElement pictogramElement);
}