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

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.g2d.elementclass;\r
  13 \r
  14 import java.awt.BasicStroke;\r
  15 import java.awt.Color;\r
  16 import java.awt.Shape;\r
  17 import java.awt.geom.AffineTransform;\r
  18 import java.awt.geom.Ellipse2D;\r
  19 import java.awt.geom.Rectangle2D;\r
  20 \r
  21 import org.simantics.g2d.element.ElementClass;\r
  22 import org.simantics.g2d.element.ElementUtils;\r
  23 import org.simantics.g2d.element.IElement;\r
  24 import org.simantics.g2d.element.SceneGraphNodeKey;\r
  25 import org.simantics.g2d.element.handler.InternalSize;\r
  26 import org.simantics.g2d.element.handler.Outline;\r
  27 import org.simantics.g2d.element.handler.SceneGraph;\r
  28 import org.simantics.g2d.element.handler.impl.BorderColorImpl;\r
  29 import org.simantics.g2d.element.handler.impl.DefaultTransform;\r
  30 import org.simantics.g2d.element.handler.impl.FillColorImpl;\r
  31 import org.simantics.g2d.element.handler.impl.TextImpl;\r
  32 import org.simantics.g2d.element.handler.impl.TextPainter;\r
  33 import org.simantics.g2d.elementclass.wheel.RotatorHandler;\r
  34 import org.simantics.scenegraph.Node;\r
  35 import org.simantics.scenegraph.g2d.G2DParentNode;\r
  36 import org.simantics.scenegraph.g2d.nodes.ShapeNode;\r
  37 import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
  38 \r
  39 /**\r
  40  * @author Toni Kalajainen\r
  41  */\r
  42 public class ShapeClass {\r
  43 \r
  44     final static BasicStroke STROKE = new BasicStroke(1.0f);\r
  45 \r
  46     public static final ElementClass CIRCLE_CLASS = getShapeClass(new Ellipse2D.Double(-10, -10, 20, 20));\r
  47 \r
  48     public static ElementClass getShapeClass(Shape s)\r
  49     {\r
  50         return\r
  51         ElementClass.compile(\r
  52                 DefaultTransform.INSTANCE,\r
  53                 BorderColorImpl.BLACK,\r
  54                 FillColorImpl.WHITE,\r
  55                 TextImpl.INSTANCE,\r
  56                 new ShapePainter(s),\r
  57                 new TextPainter(),\r
  58                 new RotatorHandler()\r
  59         );\r
  60 \r
  61     }\r
  62 \r
  63     static class ShapePainter implements SceneGraph, Outline, InternalSize\r
  64     {\r
  65         /**\r
  66          * \r
  67          */\r
  68         private static final long serialVersionUID = 2328124349273536527L;\r
  69         Shape shape;\r
  70         Rectangle2D bounds;\r
  71 \r
  72         public static final Key SG_NODE = new SceneGraphNodeKey(Node.class, "SUB_SG_NODE");\r
  73 \r
  74         public ShapePainter(Shape shape) {\r
  75             this.shape = shape;\r
  76             this.bounds = shape.getBounds2D();\r
  77         }\r
  78 \r
  79         @Override\r
  80         public void cleanup(IElement e) {\r
  81             Node node = e.removeHint(SG_NODE);\r
  82             if (node != null)\r
  83                 node.remove();\r
  84         }\r
  85 \r
  86         @Override\r
  87         public void init(IElement e, G2DParentNode parent) {\r
  88             G2DParentNode node = (G2DParentNode) e.getHint(SG_NODE);\r
  89             if (node == null) {\r
  90                 node = parent.addNode(G2DParentNode.class);\r
  91                 e.setHint(SG_NODE, node);\r
  92             }\r
  93                         AffineTransform at      = ElementUtils.getTransform(e);\r
  94                         if(at != null) node.setTransform(at);\r
  95 \r
  96             ShapeNode bgnode = node.getOrCreateNode("bgnode", ShapeNode.class);\r
  97             ShapeNode fgnode = node.getOrCreateNode("fgnode", ShapeNode.class);\r
  98 \r
  99             Color fc = ElementUtils.getFillColor(e);\r
 100             Color bc = ElementUtils.getBorderColor(e);\r
 101 \r
 102             fgnode.setColor(fc);\r
 103             fgnode.setFill(true);\r
 104             fgnode.setShape(shape);\r
 105 \r
 106             bgnode.setColor(bc);\r
 107             bgnode.setStroke(STROKE);\r
 108             bgnode.setScaleStroke(true);\r
 109             bgnode.setShape(shape);\r
 110         }\r
 111 \r
 112         @Override\r
 113         public Shape getElementShape(IElement e) {\r
 114             return shape;\r
 115         }\r
 116 \r
 117         @Override\r
 118         public Rectangle2D getBounds(IElement e, Rectangle2D size) {\r
 119             if (size==null) size = new Rectangle2D.Double();\r
 120             size.setFrame(bounds);\r
 121             return size;\r
 122         }\r
 123     }\r
 124 }\r