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

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