public void mouseClicked(MouseEvent e) {
	}
	@Override
	public void mousePressed(MouseEvent e) {
		int X=0 ,Y=0 ;
	boolean newid = false ;
		if(e.isMetaDown()){

			X=e.getX();
			Y=e.getY();
			for(int J = 0 ;J<Nodes.size();J++){
				int NodeX ,NodeY ;
				NodeX=Nodes.get(J).Pointn.x;
				NodeY=Nodes.get(J).Pointn.y;
		if(X >= NodeX && X <= NodeX+110 &&Y >= NodeY && Y <= NodeY+110){
			String NewID=JOptionPane.showInputDialog(null,"Enter New Node Id");
			for(int i = 0 ; i <Nodes.size();i++){
				if(Nodes.get(i).ids.equals(NewID)){
					JOptionPane.showMessageDialog(null, "The New Id is Already  Used");

				}
			}
			if(newid=true){
			Nodes.get(J).ids=NewID;
			pane1.repaint();
			}
	        }
		}

     }
	}


	@Override
	public void mouseReleased(MouseEvent e) {
		if(Index!=-1){
			Nodes.get(Index).Pointn=e.getPoint();
			pane1.repaint();
			Index=-1;
		}
	}
	@Override
	public void mouseEntered(MouseEvent e) {
	}
	@Override
	public void mouseExited(MouseEvent e) {
	}
	@Override
		public void mouseDragged(MouseEvent e) {
		if(Index==-1){
			int X=0 ,Y=0 ;
			X=e.getX();
			Y=e.getY();
			for(int J = 0 ;J<Nodes.size();J++){
				int NodeX ,NodeY ;
				NodeX=Nodes.get(J).Pointn.x;
				NodeY=Nodes.get(J).Pointn.y;
		if(X >= NodeX && X <= (NodeX+110) &&Y >= NodeY && Y <= (NodeY+110)){
			Index=J;
	        }
		}
	 }
		else{
			Nodes.get(Index).Pointn.x=e.getX();
			Nodes.get(Index).	Pointn.y=e.getY();
			pane1.repaint();

		}
}

	@Override
	public void mouseMoved(MouseEvent e) {
	}
}