private void buttonListening(){

		loadFileButton.addActionListener(new ActionListener(){	
			@Override
			public void actionPerformed(ActionEvent evt) {
				// TODO Auto-generated method stub
				JFileChooser fc = new JFileChooser();
				int returnVal = fc.showOpenDialog(null);
				if(returnVal == JFileChooser.APPROVE_OPTION){
					if(evt.getSource() == loadFileButton){
						File f = fc.getSelectedFile() ;	
						String url = f.getPath();
						fc.setVisible(true);
						parseInit(url);
						fileNameTF.setText(f.getName());
					}
					else System.out.println("no file choosed");
				}
			}
		});	
	}