content:  /*
    *    This program is free software; you can redistribute it and/or modify
    *    it under the terms of the GNU General Public License as published by
    *    the Free Software Foundation; either version 2 of the License, or
    *    (at your option) any later version.
    *
    *    This program 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 General Public License for more details.
    *
    *    You should have received a copy of the GNU General Public License
    *    along with this program; if not, write to the Free Software
    *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
    */
  
   /*
    *    PrintablePanel.java
    *    Copyright (C) 2005 University of Waikato, Hamilton, New Zealand
    *
    */
  
  package weka.gui.visualize;
  
  import java.util.Hashtable;
  
  import javax.swing.JPanel;
  
  /** 
   * This Panel enables the user to print the panel to various file formats.
   * The Print dialog is accessible via Ctrl-Shft-Left Mouse Click. <p>
   * The individual JComponentWriter-descendants can be accessed by the
   * <code>getWriter(String)</code> method, if the parameters need to be changed.
   *
   * @see #getWriters()
   * @see #getWriter(String)
   * @author FracPete (fracpete at waikato dot ac dot nz)
   * @version $Revision: 1.3 $
   */
  public class PrintablePanel
    extends JPanel
    implements PrintableHandler {
  
    /** for serialization */
    private static final long serialVersionUID = 6281532227633417538L;
    
    /** the class responsible for printing */
    protected PrintableComponent m_Printer = null;
    
    /**
     * initializes the panel
     */
    public PrintablePanel() {
      super();
      m_Printer = new PrintableComponent(this);
    }
    
    /**
     * returns a Hashtable with the current available JComponentWriters in the 
     * save dialog. the key of the Hashtable is the description of the writer.
     * 
     * @return all currently available JComponentWriters 
     * @see JComponentWriter#getDescription()
     */
    public Hashtable getWriters() {
      return m_Printer.getWriters();
    }
    
    /**
     * returns the JComponentWriter associated with the given name, is 
     * <code>null</code> if not found
     * 
     * @return the writer associated with the given name
     * @see JComponentWriter#getDescription()
     */
    public JComponentWriter getWriter(String name) {
      return m_Printer.getWriter(name);
    }
  
    /**
     * sets the title for the save dialog
     */
    public void setSaveDialogTitle(String title) {
      m_Printer.setSaveDialogTitle(title);
    }
    
    /**
     * returns the title for the save dialog
     */
    public String getSaveDialogTitle() {
      return m_Printer.getSaveDialogTitle();
    }
    
    /**
     * sets the scale factor
     * @param x the scale factor for the x-axis 
     * @param y the scale factor for the y-axis 
     */
    public void setScale(double x, double y) {
      m_Printer.setScale(x, y);
    }
    
    /**
     * returns the scale factor for the x-axis
     */
    public double getXScale() {
      return m_Printer.getXScale();
    }
    
    /**
     * returns the scale factor for the y-axis
     */
    public double getYScale() {
      return m_Printer.getYScale();
    }
    
    /**
     * displays a save dialog for saving the panel to a file.  
     */
    public void saveComponent() {
      m_Printer.saveComponent();
    }
  }
  