/*****************************************************************************
* Copyright (c) 2008 g-Eclipse Consortium
* 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
*
* Initial development of the original code was made for the
* g-Eclipse project founded by European Union
* project number: FP6-IST-034327 http://www.geclipse.eu/
*
* Contributors:
* Mathias Stuempert - initial API and implementation
*****************************************************************************/
package eu.geclipse.ui.providers;
import org.eclipse.core.filesystem.EFS;
import org.eclipse.core.filesystem.IFileStore;
import org.eclipse.core.runtime.CoreException;
import eu.geclipse.ui.dialogs.GridFileDialog;
/**
* Dedicated content provider for the {@link GridFileDialog} handles {@link IFileStore}s
* in addition to grid elements.
*/
public class GridFileDialogContentProvider
extends GridModelContentProvider {
/* (non-Javadoc)
* @see eu.geclipse.ui.providers.GridModelContentProvider#getChildren(java.lang.Object)
*/
@Override
public Object[] getChildren( final Object parentElement ) {
Object[] children = null;
if ( parentElement instanceof IFileStore ) {
try {
children = ( ( IFileStore ) parentElement ).childStores( EFS.NONE , null );
} catch (CoreException e) {
// Silently ignored
}
} else {
children = super.getChildren( parentElement );
}
return children;
}
/* (non-Javadoc)
* @see eu.geclipse.ui.providers.GridModelContentProvider#getParent(java.lang.Object)
*/
@Override
public Object getParent( final Object element ) {
Object parent = null;
if ( element instanceof IFileStore ) {
parent = ( ( IFileStore ) element ).getParent();
} else {
parent = super.getParent( element );
}
return parent;
}
/* (non-Javadoc)
* @see eu.geclipse.ui.providers.GridModelContentProvider#hasChildren(java.lang.Object)
*/
@Override
public boolean hasChildren( final Object element ) {
boolean result = false;
if ( element instanceof IFileStore ) {
Object[] children = getChildren( element );
result = ( children != null ) && ( children.length > 0 );
} else {
result = super.hasChildren( element );
}
return result;
}
}