/********************
 * 2004 Jalview Reengineered
 * Barton Group
 * Dundee University
 *
 * AM Waterhouse
 *******************/

package jalview.gui;

import jalview.jbgui.GCutAndPasteTransfer;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.datatransfer.*;
import jalview.datamodel.Alignment;
import jalview.io.FormatAdapter;
import jalview.datamodel.SequenceI;
import javax.swing.JOptionPane;
import jalview.io.IdentifyFile;

public class CutAndPasteTransfer extends GCutAndPasteTransfer
{
  public void setForInput()
  {
    getContentPane().add(inputButtonPanel, java.awt.BorderLayout.SOUTH);
  }

  public String getText()
  {
    return textarea.getText();
  }

  public void setText(String text)
  {
    textarea.setText(text);
  }

  public void copyItem_actionPerformed(ActionEvent e)
  {
    Clipboard c = Toolkit.getDefaultToolkit().getSystemClipboard();
    c.setContents( new StringSelection( textarea.getText()) , null ) ;
  }

  public void pasteMenu_actionPerformed(ActionEvent e)
  {
    Clipboard c = Toolkit.getDefaultToolkit().getSystemClipboard();
    Transferable contents = c.getContents(this);
    if (contents == null)
      return;
    try{
      textarea.setText( (String) contents.getTransferData(DataFlavor.
          stringFlavor));
    }catch(Exception ex){}
  }

  public void ok_actionPerformed(ActionEvent e)
  {
      String format = IdentifyFile.Identify(getText(), "Paste");
      SequenceI [] sequences = null;

      if (FormatAdapter.formats.contains( format ))
        sequences = FormatAdapter.readFile(getText(), "Paste", format);


        if(sequences!=null)
        {
          AlignFrame af = new AlignFrame(new Alignment(sequences));
          af.currentFileFormat = format;
          Desktop.addInternalFrame(af, "Cut & Paste input - " + format,
                                   AlignFrame.NEW_WINDOW_WIDTH,
                                   AlignFrame.NEW_WINDOW_HEIGHT);
          af.statusBar.setText("Successfully pasted alignment file");
          try
          {  af.setMaximum(Preferences.showFullscreen);    }
          catch (Exception ex)
          {}
          try
          {
            this.setClosed(true);
          }
          catch (Exception ex)
          {}


        }
        else
          JOptionPane.showInternalMessageDialog(Desktop.desktop,
                                                "Couldn't read the pasted text.\n"
                                                + "Formats currently supported are\n"
                                                +
              "Fasta, MSF, Clustal, BLC, PIR, MSP, and PFAM",
                                                "Error parsing text",
                                                JOptionPane.WARNING_MESSAGE);
  }

  public void cancel_actionPerformed(ActionEvent e)
  {
    try{
      this.setClosed(true);
    }catch(Exception ex){}
  }


}