content: /*
   * Copyright (c) 1997 - 2016
   * Actelion Pharmaceuticals Ltd.
   * Gewerbestrasse 16
   * CH-4123 Allschwil, Switzerland
   *
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice, this
   *    list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright notice,
   *    this list of conditions and the following disclaimer in the documentation
   *    and/or other materials provided with the distribution.
   * 3. Neither the name of the the copyright holder nor the
   *    names of its contributors may be used to endorse or promote products
   *    derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
   * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   * @author Thomas Sander
   */
  
  package com.actelion.research.gui;
  
  import javax.swing.*;
  import java.awt.Color;
  import java.awt.GradientPaint;
  import java.awt.Paint;
  
  public class HeaderPaintHelper {
  	private static int[] sRGB = null;
  
  	public static Paint getHeaderPaint(boolean isSelected, int headerHeight) {
  		// for the development we use a yellow paint
  		// the lighter color on the top
          int rgb1 = LookAndFeelHelper.isDarkLookAndFeel() ?
  		        (!isSelected ? 0x606060 : sRGB != null ? sRGB[0] : 0x3838C0)
  			  :	(!isSelected ? 0xF0F0F0 : sRGB != null ? sRGB[0] : 0xAEDBFF);
  
  		// the darker color on the bottom
  		int rgb2 = LookAndFeelHelper.isDarkLookAndFeel() ?
  				(!isSelected ? 0x404040 : sRGB != null ? sRGB[1] : 0x252560)
  			  : (!isSelected ? 0xD0D0D0 : sRGB != null ? sRGB[1] : 0x0060FF);
  
  		return new GradientPaint(0, -1, new Color(rgb1), 0, headerHeight, new Color(rgb2));
  		}
  
      /**
       * Determines and returns the header's background color. Tries to lookup a special color from the L&F.
       * In case it is absent, it uses the standard internal frame background.
       *
       * @return the color of the header's background
       */
      private static Color getHeaderBackground(boolean selected) {
          return UIManager.getColor(selected ? "InternalFrame.activeTitleBackground" : "InternalFrame.inactiveTitleBackground");
          }
  
  	/**
  	 * @return rgb values to paint header gradient; lighter color first
  	 */
      public static int[] getThemeColors() {
      	return sRGB;
  		}
  
  	/**
  	 * @param rgb values to paint header gradient; lighter color first
  	 */
  	public static void setThemeColors(int[] rgb) {
  		sRGB = rgb;
  		}
  
  	/**
       * Determines and returns the header's text foreground color. Tries to lookup a special color from the
       * L&amp;F. In case it is absent, it uses the standard internal frame forground.
       *
       * @param selected true to lookup the active color, false for the inactive
       * @return the color of the foreground text
       */
      private static Color getTextForeground(boolean selected) {
          return UIManager.getColor(selected ? "InternalFrame.activeTitleForeground" : "InternalFrame.inactiveTitleForeground");
          }
  	}
  