/******************************************************************************
* Copyright (c) 2002, 2006 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
****************************************************************************/
package org.eclipse.gmf.runtime.diagram.ui.providers.internal;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.Platform;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.provider.IItemPropertySource;
import org.eclipse.gef.EditPart;
import org.eclipse.gmf.runtime.common.core.service.IOperation;
import org.eclipse.gmf.runtime.common.ui.services.properties.GetPropertySourceOperation;
import org.eclipse.gmf.runtime.common.ui.services.properties.ICompositePropertySource;
import org.eclipse.gmf.runtime.common.ui.services.properties.IPropertiesProvider;
import org.eclipse.gmf.runtime.common.ui.services.properties.PropertiesService;
import org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.properties.descriptors.NotationPropertySource;
import org.eclipse.gmf.runtime.diagram.ui.providers.internal.l10n.DiagramUIProvidersMessages;
import org.eclipse.gmf.runtime.emf.ui.properties.providers.GenericEMFPropertiesProvider;
import org.eclipse.gmf.runtime.notation.Style;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.ui.views.properties.IPropertySource;
/**
* @author Tauseef A. Israr Created: Nov 15, 2002
*
* This is a properties provider class based on Properties Service Provider
* infrastructure.
*/
public class DiagramPropertiesProvider
extends GenericEMFPropertiesProvider
implements IPropertiesProvider {
public static String VIEW_CATEGORY = DiagramUIProvidersMessages.DiagramPropertiesProvider_viewCategory;
/* (non-Javadoc)
* @see org.eclipse.gmf.runtime.emf.ui.properties.providers.GenericEMFPropertiesProvider#provides(org.eclipse.gmf.runtime.common.core.service.IOperation)
*/
public boolean provides(IOperation operation) {
if (operation == null)
return false;
if (operation instanceof GetPropertySourceOperation) {
Object object = ((GetPropertySourceOperation) operation)
.getObject();
if (object == null)
return false;
if (object instanceof View)
return true;
if(object instanceof Style)
return true;
if (object instanceof GraphicalEditPart &&
!((GraphicalEditPart)object).hasNotationView())
return false;
return object instanceof EditPart && ((EditPart) object).getModel() instanceof View;
}
return false;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.gmf.runtime.common.ui.services.internal.properties.XToolsAbstractPropertiesProvider#getPropertySource(org.eclipse.ui.views.properties.IPropertySource,
* java.lang.Object)
*/
public ICompositePropertySource getPropertySource(Object object) {
if (object instanceof View || object instanceof Style )
return super.getPropertySource(object);
if (object instanceof EditPart) {
Object model = ((EditPart) object).getModel();
if (model instanceof View) {
View view = (View) model;
return super.getPropertySource(view);
}
}
return null;
}
/*
* @param eObject @return
*/
protected ICompositePropertySource getElementPropertySource(EObject eObject) {
IPropertySource elementPropertySource = null;
if (eObject instanceof IAdaptable)
elementPropertySource = (IPropertySource) Platform
.getAdapterManager().getAdapter(eObject, IPropertySource.class);
if (elementPropertySource == null)
elementPropertySource = PropertiesService.getInstance()
.getPropertySource(eObject);
return (elementPropertySource instanceof ICompositePropertySource) ? (ICompositePropertySource) elementPropertySource
: null;
}
/*
* (non-Javadoc) Instantiates and returns property source instance
* appropriate for this provider
*
*/
protected ICompositePropertySource createPropertySource(Object object,
IItemPropertySource itemPropertySource) {
return new NotationPropertySource(object, itemPropertySource,
VIEW_CATEGORY);
}
}