/*******************************************************************************
* Copyright (c) 2000, 2007 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
*
* (report 36180: Callers/Callees view)
*******************************************************************************/
package org.eclipse.dltk.internal.ui.callhierarchy;
import java.util.List;
import org.eclipse.dltk.core.IMember;
import org.eclipse.dltk.internal.corext.callhierarchy.CallHierarchy;
import org.eclipse.dltk.internal.ui.scriptview.SelectionTransferDropAdapter;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredViewer;
class CallHierarchyTransferDropAdapter extends SelectionTransferDropAdapter {
private CallHierarchyViewPart fCallHierarchyViewPart;
public CallHierarchyTransferDropAdapter(CallHierarchyViewPart viewPart, StructuredViewer viewer) {
super(viewer);
fCallHierarchyViewPart= viewPart;
}
/**
* {@inheritDoc}
*/
protected void doInputView(Object inputElements) {
fCallHierarchyViewPart.setInputElements((IMember[]) inputElements);
}
/**
* {@inheritDoc}
*/
protected Object getInputElement(ISelection selection) {
if (selection instanceof IStructuredSelection) {
List elements= ((IStructuredSelection) selection).toList();
if (CallHierarchy.arePossibleInputElements(elements)) {
return elements.toArray(new IMember[elements.size()]);
}
}
return null;
}
}