ImageCache.java

/**
 * (c) 2011, Alejandro Serrano
 * Released under the terms of the EPL.
 */
package net.sf.eclipsefp.haskell.browser.util;

import net.sf.eclipsefp.haskell.browser.items.Constructor;
import net.sf.eclipsefp.haskell.browser.items.DeclarationType;
import net.sf.eclipsefp.haskell.browser.items.Documented;
import net.sf.eclipsefp.haskell.browser.items.Local;
import net.sf.eclipsefp.haskell.ui.util.HaskellUIImages;
import net.sf.eclipsefp.haskell.ui.util.IImageNames;
import org.eclipse.swt.graphics.Image;

/**
 * Cache for images used in the Haskell Browser.
 * @author Alejandro Serrano
 *
 */
public class ImageCache {

  public static Image MODULE = HaskellUIImages.getImage( IImageNames.MODULE );
  public static Image MODULE_CONTENT = HaskellUIImages.getImage( IImageNames.EXPORT_MODULE_CONTENT );
  public static Image PACKAGE = HaskellUIImages.getImage( IImageNames.PACKAGE );
  public static Image DATABASE = HaskellUIImages.getImage( IImageNames.PACKAGE_FOLDER );
  public static Image DATATYPE = HaskellUIImages.getImage( IImageNames.DATA_DECL );
  public static Image CONSTRUCTOR = HaskellUIImages.getImage( IImageNames.CONSTRUCTOR_DECL );
  public static Image CLASS = HaskellUIImages.getImage( IImageNames.CLASS_DECL );
  public static Image INSTANCE = HaskellUIImages.getImage( IImageNames.INSTANCE_DECL );
  public static Image FUNCTION = HaskellUIImages.getImage( IImageNames.FUNCTION_BINDING );
  public static Image TYPE = HaskellUIImages.getImage( IImageNames.TYPE_DECL );
  public static Image KEYWORD = HaskellUIImages.getImage( IImageNames.PATTERN_BINDING );
  public static Image LOCAL = HaskellUIImages.getImage( IImageNames.LOCAL_BINDING );
  /**
   * Get the image corresponding to a declaration.
   * @param type The type of the declaration to show.
   * @return The corresponding image.
   */
  public static Image getImageForDeclaration( final DeclarationType type ) {
    switch( type ) {
      case DATA_TYPE:
      case NEW_TYPE:
        return ImageCache.DATATYPE;
      case TYPE_CLASS:
        return ImageCache.CLASS;
      case INSTANCE:
        return ImageCache.INSTANCE;
      case FUNCTION:
        return ImageCache.FUNCTION;
      case TYPE_SYNONYM:
        return ImageCache.TYPE;
      default:
        return null;
    }
  }

  public static Image getImageForBinding( final Documented d){
      if (d instanceof Constructor){
        return CONSTRUCTOR;
      } else if (d instanceof Local){
        return LOCAL;
      }
      return FUNCTION;
  }
}