bundles/org.simantics.g2d/src/org/simantics/g2d/elementclass/FilmClass.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.g2d.elementclass;
  13
  14 import java.awt.Color;
  15 import java.awt.geom.Rectangle2D;
  16
  17 import org.simantics.g2d.element.ElementClass;
  18 import org.simantics.g2d.element.ElementUtils;
  19 import org.simantics.g2d.element.IElement;
  20 import org.simantics.g2d.element.handler.SceneGraph;
  21 import org.simantics.g2d.element.handler.impl.DefaultTransform;
  22 import org.simantics.g2d.element.handler.impl.FillColorImpl;
  23 import org.simantics.g2d.element.handler.impl.Resizeable;
  24 import org.simantics.scenegraph.g2d.G2DParentNode;
  25 import org.simantics.scenegraph.g2d.nodes.ShapeNode;
  26
  27 /**
  28  * Transparent film
  29  *
  30  * @author Toni Kalajainen
  31  */
  32 public class FilmClass {
  33
  34         public static final Color FILM_COLOR =
  35                 new Color(0.f, 0.f, 0.f, 0.5f);
  36
  37         public static final ElementClass FILM_CLASS =
  38                 ElementClass.compile(
  39                                 DefaultTransform.INSTANCE,
  40                                 Resizeable.UNCONSTRICTED,
  41                                 //HandleMouseEvent.EVENT_CONSUMER,
  42                                 FillColorImpl.handlerOf(FILM_COLOR),
  43                                 new FilmSGNode()
  44                                 );
  45
  46         static class FilmSGNode implements SceneGraph {
  47                 /**
  48                  *
  49                  */
  50                 private static final long serialVersionUID = -7763377402727204557L;
  51                 private ShapeNode node = null;
  52
  53                 @Override
  54                 public void cleanup(IElement e) {
  55                         if(node != null) {
  56                                 node.remove();
  57                         }
  58                         node = null;
  59                 }
  60
  61                 @Override
  62                 public void init(IElement e, G2DParentNode parent) {
  63                         if(node == null) {
  64                                 node = parent.addNode(ShapeNode.class);
  65                         }
  66                         Color           fillColor       = ElementUtils.getFillColor(e);
  67                         Rectangle2D rect                = ElementUtils.getElementBounds(e);
  68
  69                         node.setColor(fillColor);
  70                         node.setFill(true);
  71                         node.setShape(rect);
  72                 }
  73         }
  74
  75 }