package org.lcsim.geometry.compact;
   
   import java.awt.Color;
   
   import org.jdom.DataConversionException;
   import org.jdom.Element;
   
   /**
    * This class stores visualization settings for Subdetector objects.
   * 
   * @author Jeremy McCormick <jeremym@slac.stanford.edu>
   * @version $Id: VisAttributes.java,v 1.5 2010/12/03 01:21:14 jeremy Exp $
   *
   */
  public class VisAttributes
  {
      // Visualization attributes.
      private float[] rgba = new float[4];
      private Color color = null;
      private String name = null;
      private String linestyle = "unbroken";
      private String drawingstyle = "wireframe";
      private boolean visible = true;
      private boolean showdaughters = true;
  
      /**
       * Constructor with name and defaults.
       * @param name The name of the visualization settings.
       */
      public VisAttributes( String name )
      {
          this.name = name;
      }
  
      /**
       * Constructor that takes an XML element in the compact format.
       * @param node The XML node.
       */
      protected VisAttributes( Element node )
      {
          try
          {
              this.name = node.getAttributeValue( "name" );
  
              // Create a Java Color from the input RGBA values.
              if ( node.getAttribute( "r" ) != null )
              {
                  this.rgba[ 0 ] = (float) node.getAttribute( "r" ).getDoubleValue();
              }
  
              if ( node.getAttribute( "g" ) != null )
              {
                  this.rgba[ 1 ] = (float) node.getAttribute( "g" ).getDoubleValue();
              }
  
              if ( node.getAttribute( "b" ) != null )
              {
                  this.rgba[ 2 ] = (float) node.getAttribute( "b" ).getDoubleValue();
              }
  
              if ( node.getAttribute( "alpha" ) != null )
              {
                  this.rgba[ 3 ] = (float) node.getAttribute( "alpha" ).getDoubleValue();
              }
  
              // Create the Java Color from the RGBA input values.
              this.color = new Color( rgba[ 0 ], rgba[ 1 ], rgba[ 2 ], rgba[ 3 ] );
  
              if ( node.getAttribute( "lineStyle" ) != null )
              {
                  this.linestyle = node.getAttributeValue( "lineStyle" );
              }
  
              if ( node.getAttribute( "showDaughters" ) != null )
              {
                  this.showdaughters = node.getAttribute( "showDaughters" )
                          .getBooleanValue();
              }
  
              if ( node.getAttribute( "visible" ) != null )
              {
                  this.visible = node.getAttribute( "visible" ).getBooleanValue();
              }
  
              if ( node.getAttribute( "drawingStyle" ) != null )
              {
                  this.drawingstyle = node.getAttributeValue( "drawingStyle" );
              }
          }
          catch ( DataConversionException e )
          {
              throw new RuntimeException( e );
          }
      }
  
      /**
       * Set visibility.
       * @param visible True to make visible; false to make invisible.
       */
     public void setVisible( boolean visible )
     {
         this.visible = visible;
     }
 
     /**
      * Set colors between 0.0 and 1.0.
      * @param r Red color component value.
      * @param g Green color component value.
      * @param b Blue color component value.
      * @param a Alpha component value.
      */
     public final void setColor( float r, float g, float b, float a )
     {
         rgba[ 0 ] = r;
         rgba[ 1 ] = g;
         rgba[ 2 ] = b;
         rgba[ 3 ] = a;
 
         color = new Color( r, g, b, a );
     }
 
     /**
      * Set the color from an {@see java.awt.Color} object.
      * @param color The java Color.
      */
     public final void setColor( Color color )
     {
         this.color = color;
 
         rgba[ 0 ] = color.getRed();
         rgba[ 1 ] = color.getGreen();
         rgba[ 2 ] = color.getBlue();
         rgba[ 3 ] = color.getAlpha();
     }
 
     /**
      * Set whether daughters are visible.
      * @param b True to show daughters; false to hide.
      */
     public final void setShowDaughters( boolean b )
     {
         showdaughters = b;
     }
 
     /**
      * Set the drawing style.
      * @param drawingstyle
      */
     public final void setDrawingStyle( String drawingstyle )
     {
         this.drawingstyle = drawingstyle;
     }
 
     /**
      * Set the lineStyle of these attributes.
      * @param s The lineStyle.
      */
     public final void setLineStyle( String s )
     {
         this.linestyle = s;
     }
 
     /**
      * Get the <code>Color</code> of these settings.
      * @return The Color.
      */
     public final Color getColor()
     {
         return color;
     }
 
     /**
      * Get whether visibility is on or off. 
      * @return True if visible; false if not.
      */
     public final boolean getVisible()
     {
         return visible;
     }
     
     /**
      * Get whether visibility is on or off. 
      * @return True if visible; false if not.
      */
     public final boolean isVisible()
     {
         return visible;
     }
 
     /**
      * Get showDaughters setting.
      * @return showDaughters setting.
      */
     public final boolean getShowDaughters()
     {
         return showdaughters;
     }
 
     /**
      * Get the drawing style.  
      * Possible settings same as Geant4.
      * @return The drawing style.
      */
     public final String getDrawingStyle()
     {
         return drawingstyle;
     }
 
     /**
      * Get the line style.  
      * Possible settings same as Geant4.
      * @return The line style.
      */
     public final String getLineStyle()
     {
         return linestyle;
     }
 
     /**
      * Get the name of these visualization settings.
      * @return The vis name.
      */
     public final String getName()
     {
         return name;
     }
 
     /**
      * Get the RGBA values as a float array.
      * @return The RGBA values.
      */
     public final float[] getRGBA()
     {
         return rgba;
     }
 }