/*******************************************************************************
* Copyright (c) 2000, 2005 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.gef.examples.logicdesigner.edit;
import java.util.ArrayList;
import java.util.List;
import java.util.Vector;
import org.eclipse.draw2d.ConnectionAnchor;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.XYLayout;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.gef.AccessibleAnchorProvider;
import org.eclipse.gef.AutoexposeHelper;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.ExposeHelper;
import org.eclipse.gef.MouseWheelHelper;
import org.eclipse.gef.Request;
import org.eclipse.gef.RequestConstants;
import org.eclipse.gef.editparts.ViewportAutoexposeHelper;
import org.eclipse.gef.editparts.ViewportExposeHelper;
import org.eclipse.gef.editparts.ViewportMouseWheelHelper;
import org.eclipse.gef.examples.logicdesigner.figures.CircuitFigure;
import org.eclipse.gef.examples.logicdesigner.figures.FigureFactory;
import org.eclipse.gef.examples.logicdesigner.model.Circuit;
/**
* Holds a circuit, which is a container capable of
* holding other LogicEditParts.
*/
public class CircuitEditPart
extends LogicContainerEditPart
{
protected void createEditPolicies(){
super.createEditPolicies();
installEditPolicy(EditPolicy.LAYOUT_ROLE, new LogicXYLayoutEditPolicy(
(XYLayout)getContentPane().getLayoutManager()));
installEditPolicy(EditPolicy.SELECTION_FEEDBACK_ROLE, new ContainerHighlightEditPolicy());
}
/**
* Creates a new Circuit Figure and returns it.
*
* @return Figure representing the circuit.
*/
protected IFigure createFigure() {
return FigureFactory.createNewCircuit();
}
public Object getAdapter(Class key) {
if (key == AutoexposeHelper.class)
return new ViewportAutoexposeHelper(this);
if (key == ExposeHelper.class)
return new ViewportExposeHelper(this);
if (key == AccessibleAnchorProvider.class)
return new DefaultAccessibleAnchorProvider() {
public List getSourceAnchorLocations() {
List list = new ArrayList();
Vector sourceAnchors = getNodeFigure().getSourceConnectionAnchors();
Vector targetAnchors = getNodeFigure().getTargetConnectionAnchors();
for (int i=0; i<sourceAnchors.size(); i++) {
ConnectionAnchor sourceAnchor = (ConnectionAnchor)sourceAnchors.get(i);
ConnectionAnchor targetAnchor = (ConnectionAnchor)targetAnchors.get(i);
list.add(new Rectangle(sourceAnchor.getReferencePoint(), targetAnchor.getReferencePoint()).getCenter());
}
return list;
}
public List getTargetAnchorLocations() {
return getSourceAnchorLocations();
}
};
if (key == MouseWheelHelper.class)
return new ViewportMouseWheelHelper(this);
return super.getAdapter(key);
}
/**
* Returns the Figure of this as a CircuitFigure.
*
* @return CircuitFigure of this.
*/
protected CircuitFigure getCircuitBoardFigure() {
return (CircuitFigure)getFigure();
}
public IFigure getContentPane() {
return getCircuitBoardFigure().getContentsPane();
}
public void performRequest(Request request){
if (request.getType() == RequestConstants.REQ_OPEN) {
Circuit circuit = (Circuit) this.getModel();
circuit.setName("doubleClicked");
}
}
}