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/**
* Copyright (c) 2004 - 2010 Eike Stepper (Berlin, Germany) 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:
* Andre Dietisheim - initial API and implementation
*/
package org.eclipse.emf.cdo.ui.internal.branch.item;
import org.eclipse.emf.cdo.common.branch.CDOBranch;
import org.eclipse.emf.cdo.common.branch.CDOBranchPoint;
import org.eclipse.draw2d.IFigure;
import org.eclipse.zest.core.widgets.CGraphNode;
import org.eclipse.zest.core.widgets.IContainer;
import java.util.ArrayList;
import java.util.List;
/**
* Superclass for all nodes of a BranchTree. A branch tree node may have a connection to a single child (a branch tree
* node in a new sub-branch) and a single next sibling (a branch tree node in the same branch)
*
* @author Andre Dietisheim
* @see BranchPointNode
* @see RootNode
*/
public abstract class AbstractBranchPointNode extends CGraphNode implements CDOBranchPoint
{
private CDOBranchPoint branchPoint;
public AbstractBranchPointNode(CDOBranchPoint branchPoint, IContainer graphModel, int style, IFigure figure)
{
super(graphModel, style, figure);
this.branchPoint = branchPoint;
}
public CDOBranch getBranch()
{
return branchPoint.getBranch();
}
public long getTimeStamp()
{
return branchPoint.getTimeStamp();
}
public int compareTo(CDOBranchPoint o)
{
return branchPoint.compareTo(o);
}
public AbstractBranchPointNode getNextOnSameBranch()
{
for (SameBranchConnection connection : getSameBranchSourceConnections())
{
return (AbstractBranchPointNode)connection.getDestination();
}
return null;
}
public AbstractBranchPointNode getPreviousSibling()
{
for (SameBranchConnection connection : getSameBranchTargetConnections())
{
return (AbstractBranchPointNode)connection.getSource();
}
return null;
}
public List<SameBranchConnection> getSameBranchSourceConnections()
{
List<SameBranchConnection> connectionList = new ArrayList<SameBranchConnection>();
for (Object sourceConnection : getSourceConnections())
{
if (sourceConnection instanceof SameBranchConnection)
{
connectionList.add((SameBranchConnection)sourceConnection);
}
}
return connectionList;
}
public List<SameBranchConnection> getSameBranchTargetConnections()
{
List<SameBranchConnection> connectionList = new ArrayList<SameBranchConnection>();
for (Object targetConnection : getTargetConnections())
{
if (targetConnection instanceof SameBranchConnection)
{
connectionList.add((SameBranchConnection)targetConnection);
}
}
return connectionList;
}
public AbstractBranchPointNode getLater(AbstractBranchPointNode node)
{
if (node != null && node.getTimeStamp() > getTimeStamp())
{
return node;
}
return this;
}
@Override
public String toString()
{
return super.toString() + " " + branchPoint; //$NON-NLS-1$
}
}
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