private void jComboBox1_actionPerformed(ActionEvent e) {
        int start;
        String ext;
        String content = "";
        String parser = "-";
        jComboBox2.removeAllItems();
        File dir=new File(kodBankDBPath);
        File[] list=dir.listFiles();
        for(int i=0;i<list.length;i++){
            // System.out.println(list[i].getName());
            start = list[i].getName().indexOf(parser);
            ext= list[i].getName().substring(0,start);
            int index = jComboBox1.getSelectedIndex();
            //JOptionPane.showMessageDialog(this,index);
            //JOptionPane.showMessageDialog(this,ext);
            
            switch (index) {
                case 0:
                if(ext.equals("php"))
                {
                    String name = list[i].getName().substring(start+1,list[i].getName().length());
                    jComboBox2.addItem(name);
                    FileReader fileR;
                    try {
                        fileR = new FileReader(list[i].getName());
                    } catch (FileNotFoundException f) {
                        System.out.println(f.getMessage());
                    }
                    BufferedReader in=new BufferedReader(fileR);
                    String line;
                    try {
                        while((line = in.readLine())!= null) {
                        content += line+"\n";
                    }
                    } catch (IOException f) {
                         System.out.println(f.getMessage());
                    }
                    jTextArea1.setText(content);
                }
                break;