MoveNodeCommand.java

package net.ms.designer.editors.workflow.commands;

import net.ms.designer.editors.workflow.models.WorkflowBaseActivity;

import org.eclipse.draw2d.geometry.Point;
import org.eclipse.gef.commands.Command;



public class MoveNodeCommand extends Command 
{
    private WorkflowBaseActivity node;

    private Point oldPos;

    private Point newPos;

    public void setLocation(Point p) 
    {
        this.newPos = p;
    }

    public void setNode(WorkflowBaseActivity node) 
    {
        this.node = node;
    }

    public void execute() 
    {
        oldPos = this.node.getLocation();
//        //System.out.println("aa");
        node.setLocation(newPos);
    }

    public String getLabel() 
    {
        return "Move Node";
    }

    public void redo() 
    {
        this.node.setLocation(newPos);
    }

    public void undo()
    {
        this.node.setLocation(oldPos);
    }
}