/home/ythoma/docs/math2mat/svn/wp1/framework/m2mGUI/src/m2m/frontend/dynamicview/editPart/OperationPart.java

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package m2m.frontend.dynamicview.editPart;

import java.util.Vector;

import java.beans.PropertyChangeEvent;

import m2m.frontend.dynamicview.editpolicies.EditLayoutPolicy;
import m2m.frontend.dynamicview.figure.OperationFigure;
import m2m.frontend.dynamicview.model.GraphicOperation;
import m2m.frontend.dynamicview.model.Node;

import org.eclipse.draw2d.IFigure;
import org.eclipse.gef.EditPolicy;


public class OperationPart extends AbstractEditPart 
{
    @Override
    protected IFigure createFigure() 
    {
        IFigure figure = new OperationFigure();
        ((OperationFigure) figure).addMouseMotionListener(this);
        ((OperationFigure) figure).addMouseListener(this);
        return figure;
    }

    
    @Override
    protected void createEditPolicies() 
    {
        installEditPolicy(EditPolicy.LAYOUT_ROLE, new EditLayoutPolicy()); 
    }
    
    
    protected void refreshVisuals()
    { 
        /* Get the figure and the model */
        OperationFigure figure = (OperationFigure)getFigure();
        GraphicOperation model = (GraphicOperation)getModel();
        
        /* Update the figure with the model */
        figure.setName(model.getOperatorName());
        figure.setLayout(model.getLayout());
        figure.setVisible(model.getVisible());
    }

    
    public Vector<Node> getModelChildren()
    {
        return ((GraphicOperation)getModel()).getChildrenArray();
    }

    
        @Override
        public void propertyChange(PropertyChangeEvent evt) 
        {
                 if (evt.getPropertyName().equals(Node.LAYOUT)) 
                refreshVisuals();       
                 else if(evt.getPropertyName().equals(Node.VISIBLE_COMPONENT))
                         refreshVisuals();
        }
}