/*******************************************************************************
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Tiny Look and Feel * * (C) Copyright 2003 - 2007 Hans Bickel * * For
 * licensing information and credits, please refer to the * comment in file
 * de.muntjak.tinylookandfeel.TinyLookAndFeel * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 */

package de.muntjak.tinylookandfeel;


import java.awt.Component;
import java.awt.Dialog;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Window;
import java.awt.event.WindowListener;

import javax.swing.AbstractButton;
import javax.swing.JCheckBox;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JRadioButton;
import javax.swing.JToolBar;
import javax.swing.RootPaneContainer;
import javax.swing.SwingUtilities;
import javax.swing.border.Border;
import javax.swing.plaf.ColorUIResource;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.UIResource;
import javax.swing.plaf.metal.MetalToolBarUI;

import de.muntjak.tinylookandfeel.borders.TinyToolButtonBorder;


/**
 * TinyToolBarUI
 * 
 * @version 1.1
 * @author Hans Bickel
 */
@SuppressWarnings (
{ "all" } )
public class TinyToolBarUI extends MetalToolBarUI
{

  public static final String IS_TOOL_BAR_BUTTON_KEY = "JToolBar.isToolbarButton";


  public static final int floatableGripSize = 8;


  /**
   * The Border used for buttons in a toolbar
   */
  private static Border toolButtonBorder = new TinyToolButtonBorder ();


  /**
   * Creates the UI delegate for the given component.
   * 
   * @param c The component to create its UI delegate.
   * @return The UI delegate for the given component.
   */
  public static ComponentUI createUI ( JComponent c )
  {
    return new TinyToolBarUI ();
  }


  /**
   * Installs some default values for the given toolbar. The gets a rollover
   * property.
   * 
   * @param mainColor The reference of the toolbar to install its default
   *          values.
   */
  public void installUI ( JComponent c )
  {
    super.installUI ( c );
    c.putClientProperty ( "JToolBar.isRollover", Boolean.TRUE );
  }


  /**
   * Overrides BasicToolBarUI.createFloatingWindow() to return a simple dialog
   * (which works with TinyLaF). Creates a window which contains the toolbar
   * after it has been dragged out from its container
   * 
   * @return a <code>RootPaneContainer</code> object, containing the toolbar.
   */
  protected RootPaneContainer createFloatingWindow ( JToolBar toolbar )
  {
    JDialog dialog;
    Window window = SwingUtilities.getWindowAncestor ( toolbar );

    if ( window instanceof Frame )
    {
      dialog = new JDialog ( ( Frame ) window, toolbar.getName (), false );
    }
    else if ( window instanceof Dialog )
    {
      dialog = new JDialog ( ( Dialog ) window, toolbar.getName (), false );
    }
    else
    {
      dialog = new JDialog ( ( Frame ) null, toolbar.getName (), false );
    }

    dialog.setTitle ( toolbar.getName () );
    dialog.setResizable ( false );
    WindowListener wl = createFrameListener ();
    dialog.addWindowListener ( wl );

    return dialog;
  }


  /**
   * Paints the given component.
   * 
   * @param g The graphics context to use.
   * @param c The component to paint.
   */
  public void paint ( Graphics g, JComponent c )
  {
    if ( c.getBackground () instanceof ColorUIResource )
    {
      g.setColor ( Theme.toolBarColor [ Theme.style ].getColor () );
    }
    else
    {
      g.setColor ( c.getBackground () );
    }

    g.fillRect ( 0, 0, c.getWidth (), c.getHeight () );
  }


  /**
   * Rewritten in 1.3. Now the border is defined through button margin.
   */
  protected void setBorderToRollover ( Component c )
  {
    setBorderToNormal ( c );
  }


  protected void setBorderToNormal ( Component c )
  {
    if ( ! ( c instanceof AbstractButton ) )
      return;
    if ( c instanceof JCheckBox )
      return;
    if ( c instanceof JRadioButton )
      return;

    AbstractButton b = ( AbstractButton ) c;

    b.setRolloverEnabled ( true );
    b.putClientProperty ( IS_TOOL_BAR_BUTTON_KEY, Boolean.TRUE );

    if ( ! ( b.getBorder () instanceof UIResource )
        && ! ( b.getBorder () instanceof TinyToolButtonBorder ) )
    {
      // user has installed her own border
      return;
    }

    b.setBorder ( toolButtonBorder );
  }
}