/home/ythoma/docs/math2mat/svn/wp1/framework/m2mGUI/src/m2m/frontend/dynamicview/figure/ConnectionPropertyFigure.java

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package m2m.frontend.dynamicview.figure;

import m2m.frontend.dynamicview.model.*;

import org.eclipse.draw2d.ActionEvent;
import org.eclipse.draw2d.ActionListener;
import org.eclipse.draw2d.Button;
import org.eclipse.draw2d.CheckBox;
import org.eclipse.draw2d.ColorConstants;
import org.eclipse.draw2d.Figure;
import org.eclipse.draw2d.Label;
import org.eclipse.draw2d.ToolbarLayout;
import org.eclipse.draw2d.XYLayout;
import org.eclipse.draw2d.geometry.Rectangle;


public class ConnectionPropertyFigure extends Figure implements ActionListener 
{
    private XYLayout layout;
        private Connection conn;
    private Label labelSourceName = new Label();
    private Label labelTargetName = new Label();
    private Button btnDeleteBendPoints;   
    private Button btnRoute;
    private CheckBox checkBoxAutoRoute = new CheckBox("Automatic route");
    
    
    public ConnectionPropertyFigure() 
    {
        /* Set the type of layout */
        layout = new XYLayout();
        setLayoutManager(layout);
        
        /* Initialisation of the labelSourceName */
        labelSourceName.setForegroundColor(ColorConstants.black);
        add(labelSourceName, ToolbarLayout.VERTICAL); 
        setConstraint(labelSourceName, new Rectangle(0, 0, -1, -1));
        labelSourceName.setText("Unknown");
        
        /* Initialisation of the labelTargetName */
        labelTargetName.setForegroundColor(ColorConstants.black);
        add(labelTargetName, ToolbarLayout.VERTICAL); 
        setConstraint(labelTargetName, new Rectangle(0, 15, -1, -1));
        labelTargetName.setText("Unknown");
        
        /* Initialisation of the btnDeleteBendPoints */
        btnDeleteBendPoints = new Button("Delete all bend points");
        add(btnDeleteBendPoints); 
        setConstraint(btnDeleteBendPoints, new Rectangle(0, 45, -1, -1));
        btnDeleteBendPoints.addActionListener(this);
        
        /* Initialisation of the btnRoute */
        btnRoute = new Button("Route connections");
        add(btnRoute); 
        setConstraint(btnRoute, new Rectangle(0, 75, -1, -1));
        btnRoute.addActionListener(this);
        
        /* Initialisation of the checkBoxAutoRoute */
        add(checkBoxAutoRoute);
        setConstraint(checkBoxAutoRoute, new Rectangle(0, 105, -1, -1));
        checkBoxAutoRoute.addActionListener(this);      
        
        /* Initialisation of the figure */
        setOpaque(true);     
        setBackgroundColor(ColorConstants.menuBackground);
        setForegroundColor(ColorConstants.menuForeground);
    }
    
    
    public void setProperty(Connection conn)
    {
        this.conn = conn;
        
        /* Get and show the name of source and target nodes of the connection */
        labelSourceName.setText("Source : " + conn.getSource().getName());
        labelTargetName.setText("Target : " + conn.getTarget().getName());
        
        /* Initialize the state of buttons and the checkBox */
        btnDeleteBendPoints.setEnabled(!conn.getBendPoints().isEmpty());
        checkBoxAutoRoute.setSelected(conn.getMustBeRoute());
    }

    
        @Override
        public void actionPerformed(ActionEvent arg) 
        {
                /* Remove all the bend points of the connection */
                if(arg.getSource() == btnDeleteBendPoints)
                {
                        conn.removeAllBendPoint();
                        btnDeleteBendPoints.setEnabled(false);
                }               
                /* Route connections */
                else if(arg.getSource() == btnRoute)
                {
                        conn.route();   
                }
                /* Enable/Disable the atomatic routing of the connection */
                else if(arg.getSource() == checkBoxAutoRoute)
                {
                        conn.setMustBeRoute(checkBoxAutoRoute.isSelected());
                }

        }
}