/*******************************************************************************
* Copyright (c) 2008 Conselleria de Infraestructuras y Transporte,
* Generalitat de la Comunitat Valenciana .
* 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: Francisco Javier Cano Muñoz (Prodevelop) - initial API implementation
*
******************************************************************************/
package org.eclipse.papyrus.uml.diagram.common.providers;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
// TODO: Auto-generated Javadoc
/**
* Basic content provider for a ViewInfo.
*
* @author <a href="mailto:fjcano@prodevelop.es">Francisco Javier Cano Muñoz</a>
*/
public class BaseViewInfoContentProvider implements ITreeContentProvider {
/*
* (non-Javadoc)
*
* @see
* org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.
* Object)
*/
public Object[] getChildren(Object parentElement) {
if(parentElement instanceof ViewInfo) {
ViewInfo viewInfo = (ViewInfo)parentElement;
return viewInfo.getChildren().toArray();
}
return null;
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object
* )
*/
public Object getParent(Object element) {
if(element instanceof ViewInfo) {
ViewInfo viewInfo = (ViewInfo)element;
return viewInfo.getParent();
}
return null;
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.
* Object)
*/
public boolean hasChildren(Object element) {
if(element instanceof ViewInfo) {
ViewInfo viewInfo = (ViewInfo)element;
return viewInfo.getChildren().size() > 0;
}
return false;
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java
* .lang.Object)
*/
public Object[] getElements(Object inputElement) {
return getChildren(inputElement);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.IContentProvider#dispose()
*/
public void dispose() {
// nothing to do
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface
* .viewers.Viewer, java.lang.Object, java.lang.Object)
*/
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
// nothing to do
}
}