private void chooseFile(final int whichFile) {
		final JFileChooser fileChooser = new JFileChooser();
		fileChooser.showOpenDialog(this);
		File selectedFile = fileChooser.getSelectedFile();
		if (selectedFile != null) {
			if (whichFile == 1) {
				targetBehaviorTxt.setText(fileChooser.getSelectedFile().getAbsolutePath());
			} else if(whichFile == 2) {
				templatesTxt.setText(fileChooser.getSelectedFile().getAbsolutePath());
			} else {
				outputFileTxt.setText(fileChooser.getSelectedFile().getAbsolutePath());
			}
		}
	}