import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
public class OntoDataFrame extends JFrame implements ActionListener{
   OntoApp oa;
   JTextArea ta=new JTextArea();
   JButton b1=new JButton("Use data");
   JButton bRead=new JButton("Read from file");
   JButton bWrite=new JButton("Write to file");
   JButton bclose=new JButton("Close frame");
   public OntoDataFrame(OntoApp oa){
      this.oa=oa;
      getContentPane().add(new JScrollPane(ta), BorderLayout.CENTER);
      JPanel buttonPanel=new JPanel(new GridLayout());
      buttonPanel.add(b1);
      if(oa.isStandalone){
         buttonPanel.add(bRead);
         buttonPanel.add(bWrite);
      }
      buttonPanel.add(bclose);
      getContentPane().add(buttonPanel, BorderLayout.NORTH);
      b1.addActionListener(this);
      bRead.addActionListener(this);
      bWrite.addActionListener(this);
      bclose.addActionListener(this);
      setSize(300, 300);
      setTitle("OntoApp data");
   }
   public void actionPerformed(ActionEvent e){
     try{
      if(e.getSource()==bclose){
         this.setVisible(false);
      }
      if(e.getSource()==b1){
        try{
         oa.od.readDataFromText(ta.getText());
         oa.od.normalizeData();
         oa.os.initialize();
         oa.addTable();
         oa.repaint();
        }catch(Exception ex2){
           JOptionPane.showMessageDialog(null, ex2.toString(), "Problem", JOptionPane.ERROR_MESSAGE);
        }
      }
      if(e.getSource()==bRead){
          JFileChooser jfc=new JFileChooser(new File("."));
          if(jfc.showSaveDialog(this)==JFileChooser.APPROVE_OPTION){
              File f=jfc.getSelectedFile();
              BufferedReader br=new BufferedReader(new FileReader(f));
              String s=br.readLine();
              StringBuffer sb=new StringBuffer();
              while(s!=null){
                 sb.append(s+"\n");
                 s=br.readLine();
              }
              br.close();
              ta.setText(sb.toString());
          }
      }
      if(e.getSource()==bWrite){
          JFileChooser jfc=new JFileChooser(new File("."));
          if(jfc.showOpenDialog(this)==JFileChooser.APPROVE_OPTION){
              File f=jfc.getSelectedFile();
              PrintWriter pw=new PrintWriter(new FileWriter(f));
              pw.print(ta.getText());
              pw.close();         
          }
      }
     }catch(Exception ex){
        ex.printStackTrace();
     }
   }
}