package com.fr.design.style.color;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Insets;
import java.awt.LayoutManager;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

import javax.swing.Icon;
import javax.swing.JColorChooser;
import javax.swing.JPanel;
import javax.swing.colorchooser.AbstractColorChooserPanel;

import com.fr.general.Inter;

public class SwatchChooserPanel extends AbstractColorChooserPanel{
	  /** The main panel that holds the set of choosable colors. */
	  MainSwatchPanel mainPalette;

	  /** The mouse handlers for the panels. */
	  MouseListener mouseHandler;

	  /**
	   * This the base class for all swatch panels. Swatch panels are panels that
	   * hold a set of blocks where colors are displayed.
	   */
	  abstract static class SwatchPanel extends JPanel
	  {
	    /** The width of each block. */
	    protected int cellWidth = 16;

	    /** The height of each block. */
	    protected int cellHeight = 16;

	    /** The gap between blocks. */
	    protected int gap = 1;

	    /** The number of rows in the swatch panel. */
	    protected int numRows;

	    /** The number of columns in the swatch panel. */
	    protected int numCols;

	    /**
	     * Creates a new SwatchPanel object.
	     */
	    SwatchPanel()
	    {
	      super();
	      setBackground(Color.WHITE);
	    }

	    /**
	     * This method returns the preferred size of the swatch panel based on the
	     * number of rows and columns and the size of each cell.
	     *
	     * @return The preferred size of the swatch panel.
	     */
	    public Dimension getPreferredSize()
	    {
	      int height = numRows * cellHeight + (numRows - 1) * gap;
	      int width = numCols * cellWidth + (numCols - 1) * gap;
	      Insets insets = getInsets();

	      return new Dimension(width + insets.left + insets.right,
	                           height + insets.top + insets.bottom);
	    }

	    /**
	     * This method returns the color for the given position.
	     *
	     * @param x The x coordinate of the position.
	     * @param y The y coordinate of the position.
	     *
	     * @return The color at the given position.
	     */
	    public abstract Color getColorForPosition(int x, int y);

	    /**
	     * This method initializes the colors for the swatch panel.
	     */
	    protected abstract void initializeColors();
	  }

	  /**
	   * This is the main swatch panel. This panel sits in the middle and allows a
	   * set of colors to be picked which will move to the recent swatch panel.
	   */
	  static class MainSwatchPanel extends SwatchPanel
	  {
	    /** The color describing (204, 255, 255) */
	    public static final Color C204255255 = new Color(204, 204, 255);

	    /** The color describing (255, 204, 204) */
	    public static final Color C255204204 = new Color(255, 204, 204);

	    /** The color describing (204, 255, 204) */
	    public static final Color C204255204 = new Color(204, 255, 204);

	    /** The color describing (204, 204, 204) */
	    public static final Color C204204204 = new Color(204, 204, 204);

	    /** The color (153, 153, 255). */
	    public static final Color C153153255 = new Color(153, 153, 255);

	    /** The color (51, 51, 255). */
	    public static final Color C051051255 = new Color(51, 51, 255);

	    /** The color (153, 0, 153). */
	    public static final Color C153000153 = new Color(153, 0, 153);

	    /** The color (0, 51, 51). */
	    public static final Color C000051051 = new Color(0, 51, 51);

	    /** The color (51, 0, 51). */
	    public static final Color C051000051 = new Color(51, 0, 51);

	    /** The color (51, 51, 0). */
	    public static final Color C051051000 = new Color(51, 51, 0);

	    /** The color (102, 102, 0). */
	    public static final Color C102102000 = new Color(102, 102, 0);

	    /** The color (153, 255, 153). */
	    public static final Color C153255153 = new Color(153, 255, 153);

	    /** The color (102, 255, 102). */
	    public static final Color C102255102 = new Color(102, 255, 102);

	    /** The color (0, 102, 102). */
	    public static final Color C000102102 = new Color(0, 102, 102);

	    /** The color (102, 0, 102). */
	    public static final Color C102000102 = new Color(102, 0, 102);

	    /** The color (0, 153, 153). */
	    public static final Color C000153153 = new Color(0, 153, 153);

	    /** The color (153, 153, 0). */
	    public static final Color C153153000 = new Color(153, 153, 0);

	    /** The color (204, 204, 0). */
	    public static final Color C204204000 = new Color(204, 204, 0);

	    /** The color (204, 0, 204). */
	    public static final Color C204000204 = new Color(204, 0, 204);

	    /** The color (0, 204, 204). */
	    public static final Color C000204204 = new Color(0, 204, 204);

	    /** The color (51, 255, 51). */
	    public static final Color C051255051 = new Color(51, 255, 51);

	    /** The color (255, 51, 51). */
	    public static final Color C255051051 = new Color(255, 51, 51);

	    /** The color (255, 102, 102). */
	    public static final Color C255102102 = new Color(255, 102, 102);

	    /** The color (102, 102, 255). */
	    public static final Color C102102255 = new Color(102, 102, 255);

	    /** The color (255, 153, 153). */
	    public static final Color C255153153 = new Color(255, 153, 153);
	    static Color[] colors = 
	                            {
	                              // Row 1
	    Color.WHITE, new Color(204, 255, 255), C204255255, C204255255, C204255255,
	                              C204255255, C204255255, C204255255, C204255255,
	                              C204255255, C204255255, new Color(255, 204, 255),
	                              C255204204, C255204204, C255204204, C255204204,
	                              C255204204, C255204204, C255204204, C255204204,
	                              C255204204, new Color(255, 255, 204), C204255204,
	                              C204255204, C204255204, C204255204, C204255204,
	                              C204255204, C204255204, C204255204, C204255204,
	                              
	    // Row 2
	    C204204204, new Color(153, 255, 255), new Color(153, 204, 255), C153153255,
	                              C153153255, C153153255, C153153255, C153153255,
	                              C153153255, C153153255, new Color(204, 153, 255),
	                              new Color(255, 153, 255),
	                              new Color(255, 153, 204), C255153153, C255153153,
	                              C255153153, C255153153, C255153153, C255153153,
	                              C255153153, new Color(255, 204, 153),
	                              new Color(255, 255, 153),
	                              new Color(204, 255, 153), C153255153, C153255153,
	                              C153255153, C153255153, C153255153, C153255153,
	                              C153255153, new Color(153, 255, 204),
	                              
	    // Row 3
	    C204204204, new Color(102, 255, 255), new Color(102, 204, 255),
	                              new Color(102, 153, 255), C102102255, C102102255,
	                              C102102255, C102102255, C102102255,
	                              new Color(153, 102, 255),
	                              new Color(204, 102, 255),
	                              new Color(255, 102, 255),
	                              new Color(255, 102, 204),
	                              new Color(255, 102, 153), C255102102, C255102102,
	                              C255102102, C255102102, C255102102,
	                              new Color(255, 153, 102),
	                              new Color(255, 204, 102),
	                              new Color(255, 255, 102),
	                              new Color(204, 255, 102),
	                              new Color(153, 255, 102), C102255102, C102255102,
	                              C102255102, C102255102, C102255102,
	                              new Color(102, 255, 153),
	                              new Color(102, 255, 204),
	                              
	    // Row 4
	    new Color(153, 153, 153), new Color(51, 255, 255), new Color(51, 204, 255),
	                              new Color(51, 153, 255), new Color(51, 102, 255),
	                              C051051255, C051051255, C051051255,
	                              new Color(102, 51, 255), new Color(153, 51, 255),
	                              new Color(204, 51, 255), new Color(255, 51, 255),
	                              new Color(255, 51, 204), new Color(255, 51, 153),
	                              new Color(255, 51, 102), C255051051, C255051051,
	                              C255051051, new Color(255, 102, 51),
	                              new Color(255, 153, 51), new Color(255, 204, 51),
	                              new Color(255, 255, 51), new Color(204, 255, 51),
	                              new Color(153, 255, 51), new Color(102, 255, 51),
	                              C051255051, C051255051, C051255051,
	                              new Color(51, 255, 102), new Color(51, 255, 153),
	                              new Color(51, 255, 204),
	                              
	    // Row 5
	    new Color(153, 153, 153), new Color(0, 255, 255), new Color(0, 204, 255),
	                              new Color(0, 153, 255), new Color(0, 102, 255),
	                              new Color(0, 51, 255), new Color(0, 0, 255),
	                              new Color(51, 0, 255), new Color(102, 0, 255),
	                              new Color(153, 0, 255), new Color(204, 0, 255),
	                              new Color(255, 0, 255), new Color(255, 0, 204),
	                              new Color(255, 0, 153), new Color(255, 0, 102),
	                              new Color(255, 0, 51), new Color(255, 0, 0),
	                              new Color(255, 51, 0), new Color(255, 102, 0),
	                              new Color(255, 153, 0), new Color(255, 204, 0),
	                              new Color(255, 255, 0), new Color(204, 255, 0),
	                              new Color(153, 255, 0), new Color(102, 255, 0),
	                              new Color(51, 255, 0), new Color(0, 255, 0),
	                              new Color(0, 255, 51), new Color(0, 255, 102),
	                              new Color(0, 255, 153), new Color(0, 255, 204),
	                              
	    // Row 6
	    new Color(102, 102, 102), C000204204, C000204204, new Color(0, 153, 204),
	                              new Color(0, 102, 204), new Color(0, 51, 204),
	                              new Color(0, 0, 204), new Color(51, 0, 204),
	                              new Color(102, 0, 204), new Color(153, 0, 204),
	                              C204000204, C204000204, C204000204,
	                              new Color(204, 0, 153), new Color(204, 0, 102),
	                              new Color(204, 0, 51), new Color(204, 0, 0),
	                              new Color(204, 51, 0), new Color(204, 102, 0),
	                              new Color(204, 153, 0), C204204000, C204204000,
	                              C204204000, new Color(153, 204, 0),
	                              new Color(102, 204, 0), new Color(51, 204, 0),
	                              new Color(0, 204, 0), new Color(0, 204, 51),
	                              new Color(0, 204, 102), new Color(0, 204, 153),
	                              new Color(0, 204, 204),
	                              
	    // Row 7
	    new Color(102, 102, 102), C000153153, C000153153, C000153153,
	                              new Color(0, 102, 153), new Color(0, 51, 153),
	                              new Color(0, 0, 153), new Color(51, 0, 153),
	                              new Color(102, 0, 153), C153000153, C153000153,
	                              C153000153, C153000153, C153000153,
	                              new Color(153, 0, 102), new Color(153, 0, 51),
	                              new Color(153, 0, 0), new Color(153, 51, 0),
	                              new Color(153, 102, 0), C153153000, C153153000,
	                              C153153000, C153153000, C153153000,
	                              new Color(102, 153, 0), new Color(51, 153, 0),
	                              new Color(0, 153, 0), new Color(0, 153, 51),
	                              new Color(0, 153, 102), C000153153, C000153153,
	                              
	    // Row 8
	    new Color(51, 51, 51), C000102102, C000102102, C000102102, C000102102,
	                              new Color(0, 51, 102), new Color(0, 0, 102),
	                              new Color(51, 0, 102), C102000102, C102000102,
	                              C102000102, C102000102, C102000102, C102000102,
	                              C102000102, new Color(102, 0, 51),
	                              new Color(102, 0, 0), new Color(102, 51, 0),
	                              C102102000, C102102000, C102102000, C102102000,
	                              C102102000, C102102000, C102102000,
	                              new Color(51, 102, 0), new Color(0, 102, 0),
	                              new Color(0, 102, 51), C000102102, C000102102,
	                              C000102102,
	                              
	    // Row 9.
	    Color.BLACK, C000051051, C000051051, C000051051, C000051051, C000051051,
	                              new Color(0, 0, 51), C051000051, C051000051,
	                              C051000051, C051000051, C051000051, C051000051,
	                              C051000051, C051000051, C051000051,
	                              new Color(51, 0, 0), C051051000, C051051000,
	                              C051051000, C051051000, C051051000, C051051000,
	                              C051051000, C051051000, new Color(0, 51, 0),
	                              C000051051, C000051051, C000051051, C000051051,
	                              new Color(51, 51, 51)
	                            };

	    /**
	     * Creates a new MainSwatchPanel object.
	     */
	    MainSwatchPanel()
	    {
	      super();
	      numCols = 31;
	      numRows = 9;
	      initializeColors();
	      revalidate();
	    }

	    /**
	     * This method returns the color for the given position.
	     *
	     * @param x The x location for the position.
	     * @param y The y location for the position.
	     *
	     * @return The color for the given position.
	     */
	    public Color getColorForPosition(int x, int y)
	    {
	      if (x % (cellWidth + gap) > cellWidth
	          || y % (cellHeight + gap) > cellHeight){
	  		// position is located in gap.
	  		return null;
	      }

	      int row = y / (cellHeight + gap);
	      int col = x / (cellWidth + gap);
	      return colors[row * numCols + col];
	    }

	    /**
	     * This method initializes the colors for the main swatch panel.
	     */
	    protected void initializeColors()
	    {
	      // Unnecessary
	    }

	    /**
	     * This method paints the main graphics panel with the given Graphics
	     * object.
	     *
	     * @param graphics The Graphics object to paint with.
	     */
	    public void paint(Graphics graphics)
	    {
	      int index = 0;
	      Insets insets = getInsets();
	      int currX = insets.left;
	      int currY = insets.top;
	      Color saved = graphics.getColor();

	      for (int i = 0; i < numRows; i++)
	        {
		  for (int j = 0; j < numCols; j++)
		    {
		      graphics.setColor(colors[index++]);
		      graphics.fill3DRect(currX, currY, cellWidth, cellHeight, true);
		      currX += gap + cellWidth;
		    }
		  currX = insets.left;
		  currY += gap + cellHeight;
	        }
	      graphics.setColor(saved);
	    }

	    /**
	     * This method returns the tooltip text for the given MouseEvent.
	     *
	     * @param e The MouseEvent to find tooltip text for.
	     *
	     * @return The tooltip text.
	     */
	    public String getToolTipText(MouseEvent e)
	    {
	      Color c = getColorForPosition(e.getX(), e.getY());
	      if (c == null){
	    	  return null;
	      }
	      return (c.getRed() + "," + c.getGreen() + "," + c.getBlue());
	    }
	  }


	  /**
	   * This class handles mouse events for the two swatch panels.
	   */
	  class MouseHandler extends MouseAdapter
	  {
	    /**
	     * This method is called whenever the mouse is pressed.
	     *
	     * @param e The MouseEvent.
	     */
	    public void mousePressed(MouseEvent e)
	    {
	      SwatchPanel panel = (SwatchPanel) e.getSource();
	      Color c = panel.getColorForPosition(e.getX(), e.getY());
	      SwatchChooserPanel.this.getColorSelectionModel().setSelectedColor(c);
	      SwatchChooserPanel.this.repaint();
	    }
	  }

	  /**
	   * This is the layout manager for the main panel.
	   */
	  static class MainPanelLayout implements LayoutManager
	  {
	    /**
	     * This method is called when a new component is added to the container.
	     *
	     * @param name The name of the component.
	     * @param comp The added component.
	     */
	    public void addLayoutComponent(String name, Component comp)
	    {
	    }

	    /**
	     * This method is called to set the size and position of the child
	     * components for the given container.
	     *
	     * @param parent The container to lay out.
	     */
	    public void layoutContainer(Container parent)
	    {
	      Component[] comps = parent.getComponents();
	      Insets insets = parent.getInsets();
	      Dimension[] pref = new Dimension[comps.length];

	      int xpos = 0;
	      int ypos = 0;
	      int maxHeight = 0;
	      int totalWidth = 0;

	      for (int i = 0; i < comps.length; i++)
	        {
			  pref[i] = comps[i].getPreferredSize();
			  if (pref[i] == null){
				  return;
			  }
			  maxHeight = Math.max(maxHeight, pref[i].height);
			  totalWidth += pref[i].width;
	        }

	      ypos = (parent.getSize().height - maxHeight) / 2 + insets.top;
	      xpos = insets.left + (parent.getSize().width - totalWidth) / 2;

	      for (int i = 0; i < comps.length; i++)
	        {
		  if (pref[i] == null){
			  continue;
		  }
		  comps[i].setBounds(xpos, ypos, pref[i].width, pref[i].height);
		  xpos += pref[i].width;
	        }
	    }

	    /**
	     * This method is called when a component is removed from the container.
	     *
	     * @param comp The component that was removed.
	     */
	    public void removeLayoutComponent(Component comp)
	    {
	    }

	    /**
	     * This methods calculates the minimum layout size for the container.
	     *
	     * @param parent The container.
	     *
	     * @return The minimum layout size.
	     */
	    public Dimension minimumLayoutSize(Container parent)
	    {
	      return preferredLayoutSize(parent);
	    }

	    /**
	     * This method returns the preferred layout size for the given container.
	     *
	     * @param parent The container.
	     *
	     * @return The preferred layout size.
	     */
	    public Dimension preferredLayoutSize(Container parent)
	    {
	      int xmax = 0;
	      int ymax = 0;

	      Component[] comps = parent.getComponents();
	      Dimension pref;

	      for (int i = 0; i < comps.length; i++)
	        {
		      pref = comps[i].getPreferredSize();
			  if (pref == null){
				  continue;
			  }
			  xmax += pref.width;
			  ymax = Math.max(ymax, pref.height);
	        }

	      Insets insets = parent.getInsets();

	      return new Dimension(insets.left + insets.right + xmax,
	                           insets.top + insets.bottom + ymax);
	    }


	  }

	  /**
	   * Creates a new DefaultSwatchChooserPanel object.
	   */
	 SwatchChooserPanel()
	  {
	    super();
	  }

	  /**
	   * 更新JcolorChooser
	   */
	  public void updateChooser()
	  {
	  }

	  /**
	   * This method builds the chooser panel.
	   */
	  protected void buildChooser()
	  {
	    // The structure of the swatch panel is:
	    // One large panel (minus the insets).
	    setLayout(new MainPanelLayout());

	    JPanel mainPaletteHolder = new JPanel();

	    mainPalette = new MainSwatchPanel();

	    mouseHandler = new MouseHandler();
	    mainPalette.addMouseListener(mouseHandler);

	    mainPaletteHolder.setLayout(new BorderLayout());
	    mainPaletteHolder.add(mainPalette, BorderLayout.CENTER);


	    JPanel main = new JPanel();
	    main.add(mainPaletteHolder);

	    this.add(main);
	  }

	  /**
	   * 删除选择器面板
	   *
	   * @param 颜色选择器
	   */
	  public void uninstallChooserPanel(JColorChooser chooser)
	  {
	    mainPalette = null;

	    removeAll();
	    super.uninstallChooserPanel(chooser);
	  }

	  /**
	   * This method returns the JTabbedPane displayed name.
	   *
	   * @return The name displayed in the JTabbedPane.
	   */
	  public String getDisplayName()
	  {
	    return Inter.getLocText("FR-Designer_Swatch");
	  }

	  /**
	   * This method returns the small display icon.
	   *
	   * @return The small display icon.
	   */
	  public Icon getSmallDisplayIcon()
	  {
	    return null;
	  }

	  /**
	   * This method returns the large display icon.
	   *
	   * @return The large display icon.
	   */
	  public Icon getLargeDisplayIcon()
	  {
	    return null;
	  }

	  /**
	   * This method returns the tooltip text for the given MouseEvent.
	   *
	   * @param e The MouseEvent.
	   *
	   * @return The tooltip text.
	   */
	  public String getToolTipText(MouseEvent e)
	  {
	    return null;
	  }
	
	
}