/*******************************************************************************
* 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.Iterator;
import org.eclipse.draw2d.ColorConstants;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.RectangleFigure;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.gef.GraphicalEditPart;
import org.eclipse.gef.LayerConstants;
import org.eclipse.gef.editpolicies.ResizableEditPolicy;
import org.eclipse.gef.examples.logicdesigner.figures.AndGateFeedbackFigure;
import org.eclipse.gef.examples.logicdesigner.figures.CircuitFeedbackFigure;
import org.eclipse.gef.examples.logicdesigner.figures.GroundFeedbackFigure;
import org.eclipse.gef.examples.logicdesigner.figures.LEDFeedbackFigure;
import org.eclipse.gef.examples.logicdesigner.figures.LabelFeedbackFigure;
import org.eclipse.gef.examples.logicdesigner.figures.LiveOutputFeedbackFigure;
import org.eclipse.gef.examples.logicdesigner.figures.LogicColorConstants;
import org.eclipse.gef.examples.logicdesigner.figures.LogicFlowFeedbackFigure;
import org.eclipse.gef.examples.logicdesigner.figures.OrGateFeedbackFigure;
import org.eclipse.gef.examples.logicdesigner.figures.XOrGateFeedbackFigure;
import org.eclipse.gef.examples.logicdesigner.model.AndGate;
import org.eclipse.gef.examples.logicdesigner.model.Circuit;
import org.eclipse.gef.examples.logicdesigner.model.GroundOutput;
import org.eclipse.gef.examples.logicdesigner.model.LED;
import org.eclipse.gef.examples.logicdesigner.model.LiveOutput;
import org.eclipse.gef.examples.logicdesigner.model.LogicFlowContainer;
import org.eclipse.gef.examples.logicdesigner.model.LogicLabel;
import org.eclipse.gef.examples.logicdesigner.model.OrGate;
import org.eclipse.gef.examples.logicdesigner.model.XORGate;
/**
*
*/
public class LogicResizableEditPolicy
extends ResizableEditPolicy
{
/**
* Creates the figure used for feedback.
* @return the new feedback figure
*/
protected IFigure createDragSourceFeedbackFigure() {
IFigure figure = createFigure((GraphicalEditPart)getHost(), null);
figure.setBounds(getInitialFeedbackBounds());
addFeedback(figure);
return figure;
}
protected IFigure createFigure(GraphicalEditPart part, IFigure parent) {
IFigure child = getCustomFeedbackFigure(part.getModel());
if (parent != null)
parent.add(child);
Rectangle childBounds = part.getFigure().getBounds().getCopy();
IFigure walker = part.getFigure().getParent();
while (walker != ((GraphicalEditPart)part.getParent()).getFigure()) {
walker.translateToParent(childBounds);
walker = walker.getParent();
}
child.setBounds(childBounds);
Iterator i = part.getChildren().iterator();
while (i.hasNext())
createFigure((GraphicalEditPart)i.next(), child);
return child;
}
protected IFigure getCustomFeedbackFigure(Object modelPart) {
IFigure figure;
if (modelPart instanceof Circuit)
figure = new CircuitFeedbackFigure();
else if (modelPart instanceof LogicFlowContainer)
figure = new LogicFlowFeedbackFigure();
else if (modelPart instanceof LogicLabel)
figure = new LabelFeedbackFigure();
else if (modelPart instanceof LED)
figure = new LEDFeedbackFigure();
else if (modelPart instanceof OrGate)
figure = new OrGateFeedbackFigure();
else if (modelPart instanceof XORGate)
figure = new XOrGateFeedbackFigure();
else if (modelPart instanceof GroundOutput)
figure = new GroundFeedbackFigure();
else if (modelPart instanceof LiveOutput)
figure = new LiveOutputFeedbackFigure();
else if (modelPart instanceof AndGate)
figure = new AndGateFeedbackFigure();
else {
figure = new RectangleFigure();
((RectangleFigure)figure).setXOR(true);
((RectangleFigure)figure).setFill(true);
figure.setBackgroundColor(LogicColorConstants.ghostFillColor);
figure.setForegroundColor(ColorConstants.white);
}
return figure;
}
/**
* Returns the layer used for displaying feedback.
*
* @return the feedback layer
*/
protected IFigure getFeedbackLayer() {
return getLayer(LayerConstants.SCALED_FEEDBACK_LAYER);
}
/**
* @see org.eclipse.gef.editpolicies.NonResizableEditPolicy#getInitialFeedbackBounds()
*/
protected Rectangle getInitialFeedbackBounds() {
return getHostFigure().getBounds();
}
}