import org.eclipse.gef.tools.SelectEditPartTracker; //导入依赖的package包/类
protected List createSelectionHandles( )
{
	List list = new ArrayList( );
	if ( isDragAllowed( ) )
	{
		ReportNonResizableHandleKit.addHandles( (GraphicalEditPart) getHost( ),
				list );
	}
	else
	{
		ReportNonResizableHandleKit.addHandles( (GraphicalEditPart) getHost( ),
				list,
				new SelectEditPartTracker( getHost( ) ),
				SharedCursors.ARROW );
	}
	return list;
}
 

import org.eclipse.gef.tools.SelectEditPartTracker; //导入依赖的package包/类
/**
 * @see org.eclipse.gef.editpolicies.NonResizableEditPolicy#createSelectionHandles()
 */
@Override
protected List createSelectionHandles() {
    
    List list = new ArrayList();
    if (isDragAllowed())
        SequenceLineNonResizableHandleKit.addHandles((GraphicalEditPart)getHost(), list);
    else
        SequenceLineNonResizableHandleKit.addHandles((GraphicalEditPart)getHost(), list, 
                new SelectEditPartTracker(getHost()), SharedCursors.ARROW);
    return list;
}
 

import org.eclipse.gef.tools.SelectEditPartTracker; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public DragTracker getDragTracker(final Request req) {
    return new SelectEditPartTracker(this);
}
 

import org.eclipse.gef.tools.SelectEditPartTracker; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public DragTracker getDragTracker(Request req) {
	return new SelectEditPartTracker(this);
}
 

import org.eclipse.gef.tools.SelectEditPartTracker; //导入依赖的package包/类
/**
 * @see org.eclipse.gef.tools.SelectionTool#handleButtonDown(int)
 */
protected boolean handleButtonDown(int button) {
    setDragTracker(new SelectEditPartTracker(delegatingEditPart));
    lockTargetEditPart(delegatingEditPart);
    return true;
}
 

import org.eclipse.gef.tools.SelectEditPartTracker; //导入依赖的package包/类
@Override
public DragTracker getDragTracker(Request req) {
    return new SelectEditPartTracker(this);
}