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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* 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:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.ui.data.model.editor.part;
import java.util.List;
import org.eclipse.draw2d.ConnectionLayer;
import org.eclipse.draw2d.FanRouter;
import org.eclipse.draw2d.Figure;
import org.eclipse.draw2d.FreeformLayer;
import org.eclipse.draw2d.FreeformLayout;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.MarginBorder;
import org.eclipse.draw2d.ShortestPathConnectionRouter;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.LayerConstants;
import org.eclipse.gef.SnapToGeometry;
import org.eclipse.gef.SnapToHelper;
import org.eclipse.gef.editparts.AbstractGraphicalEditPart;
import org.eclipse.gef.editpolicies.RootComponentEditPolicy;
import org.eclipse.gef.editpolicies.SnapFeedbackPolicy;
import org.eclipse.osee.framework.ui.data.model.editor.model.IModelListener;
import org.eclipse.osee.framework.ui.data.model.editor.model.ODMDiagram;
import org.eclipse.osee.framework.ui.data.model.editor.policy.DiagramLayoutEditPolicy;
import org.eclipse.swt.SWT;
/**
* @author Roberto E. Escobar
*/
public class DiagramEditPart extends AbstractGraphicalEditPart implements LayerConstants {
protected IModelListener modelListener = new IModelListener() {
@Override
public void onModelEvent(Object object) {
handleModelEvent(object);
}
};
public DiagramEditPart(Object model) {
super();
setModel(model);
}
@Override
public void activate() {
super.activate();
((ODMDiagram) getModel()).addListener(modelListener);
}
@Override
protected IFigure createFigure() {
Figure f = new FreeformLayer();
f.setBorder(new MarginBorder(5));
f.setLayoutManager(new FreeformLayout());
ConnectionLayer connLayer = (ConnectionLayer) getLayer(LayerConstants.CONNECTION_LAYER);
FanRouter router = new FanRouter();
router.setSeparation(20);
router.setNextRouter(new ShortestPathConnectionRouter(f));
connLayer.setConnectionRouter(router);
connLayer.setAntialias(SWT.ON);
return f;
}
@Override
protected void createEditPolicies() {
installEditPolicy(EditPolicy.COMPONENT_ROLE, new RootComponentEditPolicy());
installEditPolicy(EditPolicy.LAYOUT_ROLE, new DiagramLayoutEditPolicy());
installEditPolicy("Snap Feedback", new SnapFeedbackPolicy());
}
@Override
public void deactivate() {
((ODMDiagram) getModel()).removeListener(modelListener);
super.deactivate();
}
protected void handleModelEvent(Object object) {
refreshVisuals();
refreshChildren();
}
@Override
public Object getAdapter(Class adapter) {
if (SnapToHelper.class == adapter) {
Object snapPropertObject = getViewer().getProperty(SnapToGeometry.PROPERTY_SNAP_ENABLED);
return Boolean.TRUE.equals(snapPropertObject) ? new SnapToGeometry(this) : null;
}
return super.getAdapter(adapter);
}
@Override
protected List getModelChildren() {
return ((ODMDiagram) getModel()).getContent();
}
}
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