block.java

emboss的linux版本的源代码

/********************************************************************
*
*  This library is free software; you can redistribute it and/or
*  modify it under the terms of the GNU Library General Public
*  License as published by the Free Software Foundation; either
*  version 2 of the License, or (at your option) any later version.
*
*  This library is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
*  Library General Public License for more details.
*
*  You should have received a copy of the GNU Library General Public
*  License along with this library; if not, write to the
*  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
*  Boston, MA  02111-1307, USA.
*
*  @author: Copyright (C) Tim Carver
*
********************************************************************/


package org.emboss.jemboss.draw;

import org.emboss.jemboss.gui.form.TextFieldInt;

import javax.swing.*;
import java.awt.geom.AffineTransform;
import java.awt.*;
import java.util.Vector;
import java.awt.datatransfer.*;
import java.io.*;
import java.awt.event.*;
import javax.swing.event.*;

public class Block extends JPanel
                   implements Transferable
{

  private DNADraw current_dna;
  private Vector marker;
  private double angStart;
  private double angEnd;
  private double fracRadii = 1.d;
  private Rectangle rect = new Rectangle();
  final public static DataFlavor BLOCK =
         new DataFlavor(Block.class, "Block");
  static DataFlavor blockFlavors[] = { BLOCK };
  

  public Block(Vector marker)
  {
    super();
    setOpaque(false);
    this.marker = marker;
  }


  public Block(Vector marker, 
               DNADraw current_dna)
  {
    this(marker);
    this.current_dna = current_dna;
    setPreferredSize(current_dna.getPreferredSize());
  }


  public Vector getMarker()
  {
    return marker;
  }


  protected void paintComponent(Graphics g)
  {
    super.paintComponent(g);
    Graphics2D g2  = (Graphics2D)g;
    draw(g2);
  }


  protected void draw(Graphics2D g2)
  {
    if(current_dna.isCircular())
      drawCircular(g2);
    else
      drawLinear(g2);   
  }

  
  protected String getLabel()
  {
    return (String)marker.elementAt(0);
  }


  protected int getStart()
  {
    return ((Integer)marker.elementAt(1)).intValue();
  }

 
  protected int getEnd()
  {
    return ((Integer)marker.elementAt(2)).intValue();
  }

  protected void showProperties(final JFrame f, final DNADraw draw,
                                JButton delete)
  {
//  final JFrame f = new JFrame("Properties");
//set up menu bar
    JMenuBar menuBar = new JMenuBar();
    JMenu fileMenu = new JMenu("File");
    fileMenu.setMnemonic(KeyEvent.VK_F);
    menuBar.add(fileMenu);
                                                                             
    JMenuItem closeMenu = new JMenuItem("Close");
    closeMenu.setAccelerator(KeyStroke.getKeyStroke(
              KeyEvent.VK_E, ActionEvent.CTRL_MASK));
                                                                             
    closeMenu.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        f.dispose();
      }
    });
    fileMenu.add(closeMenu);

//set up window
    f.setJMenuBar(menuBar);
    JPanel pane = (JPanel)f.getContentPane();
    String markerLabel = (String)marker.elementAt(0);
    int bstart = ((Integer)marker.elementAt(1)).intValue();
    int bend   = ((Integer)marker.elementAt(2)).intValue();
    Color colour = (Color)marker.elementAt(3);
    float strokeSize  = ((Float)marker.elementAt(4)).floatValue();
    boolean arrowHead = ((Boolean)marker.elementAt(5)).booleanValue();
    boolean arrowTail = ((Boolean)marker.elementAt(6)).booleanValue();
         
    Box bdown = Box.createVerticalBox();
    pane.add(bdown);
     
    bdown.add(Box.createVerticalStrut(4));
    Dimension d = new Dimension(200,30); 
    Box bacross = Box.createHorizontalBox(); 
    final JTextField annotation = new JTextField();
    annotation.setPreferredSize(d);
    annotation.setMaximumSize(d);
    annotation.setText(markerLabel);
    annotation.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        marker.setElementAt(annotation.getText(),0);
        if(draw != null)
          draw.repaint();
      }
    });
    bacross.add(annotation);
    bacross.add(new JLabel(" Label"));
    bacross.add(Box.createHorizontalGlue());
    bdown.add(bacross);

    d = new Dimension(65,30);
    bacross = Box.createHorizontalBox();  
    final TextFieldInt start = new TextFieldInt();
    start.setPreferredSize(d);
    start.setMaximumSize(d);
    start.setValue(bstart);
    start.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        marker.setElementAt(new Integer(start.getValue()),1); 
        if(draw != null)
          draw.repaint();
      }
    });
    bacross.add(start); 
    bacross.add(new JLabel(" Start"));
    bacross.add(Box.createHorizontalGlue());
    bdown.add(bacross);

    bacross = Box.createHorizontalBox();
    final TextFieldInt end = new TextFieldInt();
    end.setPreferredSize(d);
    end.setMaximumSize(d);
    end.setValue(bend);
    end.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        marker.setElementAt(new Integer(end.getValue()),2);
        if(draw != null)
          draw.repaint();
      }
    });
    bacross.add(end);
    bacross.add(new JLabel(" End"));
    bacross.add(Box.createHorizontalGlue());
    bdown.add(bacross);

//Set up the dialog that the button brings up.
    final JButton button = new JButton("");
    button.setBackground(colour);
    final JColorChooser colorChooser = new JColorChooser();
    ActionListener okListener = new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        marker.setElementAt(colorChooser.getColor(),3);
        button.setBackground(colorChooser.getColor());
        if(draw != null)
          draw.repaint();
      }
    };
    final JDialog dialog = JColorChooser.createDialog(button,
                                "Pick a Color",true,
                                colorChooser, okListener,
                                null);
 
    //Here's the code that brings up the dialog.
    button.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        dialog.show();
      }
    });
    bacross = Box.createHorizontalBox();
    bacross.add(button);
    bacross.add(Box.createHorizontalGlue());
    bdown.add(bacross);


    bacross = Box.createHorizontalBox();
    final JSlider slider = new JSlider(1,25,(int)strokeSize);
    bacross.add(slider);
    bacross.add(new JLabel(" Line width"));
    bacross.add(Box.createHorizontalGlue());
    slider.addChangeListener(new ChangeListener()
    {
      public void stateChanged(ChangeEvent e)
      {
        marker.setElementAt(new Float((float)slider.getValue()),4);
        if(draw != null)
          draw.repaint();
      }
    });
    bacross.add(Box.createHorizontalGlue());
    bdown.add(bacross);

    bacross = Box.createHorizontalBox();
    bacross.add(new JLabel("Arrow :"));
    bacross.add(Box.createHorizontalGlue());
    bdown.add(bacross);

    bacross = Box.createHorizontalBox();
    final JRadioButton head = new JRadioButton("Head");
    final JRadioButton tail = new JRadioButton("Tail");
    final JRadioButton none = new JRadioButton("None");
    head.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        if(head.isSelected())
        {
          marker.setElementAt(new Boolean(true),5);   
          marker.setElementAt(new Boolean(false),6);
        }
        else
        {
          marker.setElementAt(new Boolean(false),5);
          marker.setElementAt(new Boolean(true),6);
        }
        if(draw != null)
          draw.repaint();
      }
    });
    bacross.add(head);

    tail.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        if(tail.isSelected())
        {
          marker.setElementAt(new Boolean(true),6);
          marker.setElementAt(new Boolean(false),5);
        }
        else
        {
          marker.setElementAt(new Boolean(false),6);
          marker.setElementAt(new Boolean(true),5);
        }