bundles/org.simantics.trend/src/org/simantics/trend/impl/TrendGraphicalNode.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
   3  * 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.trend.impl;\r
  13 \r
  14 import java.awt.Graphics2D;\r
  15 import java.awt.geom.AffineTransform;\r
  16 import java.awt.geom.Rectangle2D;\r
  17 \r
  18 import org.simantics.scenegraph.g2d.G2DNode;\r
  19 \r
  20 public abstract class TrendGraphicalNode extends G2DNode implements TrendLayout {\r
  21 \r
  22         private static final long serialVersionUID = 1L;\r
  23         \r
  24         Rectangle2D bounds = new Rectangle2D.Double();\r
  25 \r
  26         public double getWidth() { \r
  27                 return bounds.getWidth();\r
  28         }\r
  29         \r
  30         public double getHeight() {\r
  31                 return bounds.getHeight();\r
  32         }\r
  33         \r
  34         public void setSize(double w, double h) {\r
  35                 if (bounds.getWidth()==w && bounds.getHeight()==h) return;\r
  36                 bounds.setFrame(0, 0, w, h);\r
  37         }\r
  38         \r
  39         public double getX() {\r
  40                 return transform.getTranslateX();\r
  41         }\r
  42         \r
  43         public double getY() {\r
  44                 return transform.getTranslateY();\r
  45         }\r
  46         \r
  47         public void setTranslate(double x, double y) {\r
  48                 setTransform(AffineTransform.getTranslateInstance(x, y));\r
  49         }\r
  50         \r
  51         @Override\r
  52         public Rectangle2D getBoundsInLocal() {\r
  53                 return bounds;\r
  54         }\r
  55 \r
  56         @Override\r
  57         public void render(Graphics2D g2d) {\r
  58                 AffineTransform at = g2d.getTransform();\r
  59                 g2d.transform( transform );\r
  60                 try {\r
  61                         doRender(g2d);\r
  62                 } finally {\r
  63                         g2d.setTransform(at);\r
  64                 }\r
  65         }\r
  66         \r
  67         public TrendNode getTrend() {\r
  68                 return (TrendNode) getParent();\r
  69         }\r
  70         \r
  71         protected abstract void doRender(Graphics2D g2d);\r
  72 \r
  73         \r
  74 }\r