git.gag.com Git - sw/motorsim/blob - src/com/billkuker/rocketry/motorsim/visual/HardwarePanel.java

   1 package com.billkuker.rocketry.motorsim.visual;\r
   2 \r
   3 import java.awt.BasicStroke;\r
   4 import java.awt.Color;\r
   5 import java.awt.Graphics;\r
   6 import java.awt.Graphics2D;\r
   7 import java.awt.Rectangle;\r
   8 import java.awt.Shape;\r
   9 import java.awt.geom.Area;\r
  10 import java.beans.PropertyChangeEvent;\r
  11 import java.beans.PropertyChangeListener;\r
  12 \r
  13 import javax.measure.unit.SI;\r
  14 import javax.swing.JFrame;\r
  15 import javax.swing.JPanel;\r
  16 import javax.swing.WindowConstants;\r
  17 \r
  18 import org.jscience.physics.amount.Amount;\r
  19 \r
  20 import com.billkuker.rocketry.motorsim.Chamber;\r
  21 import com.billkuker.rocketry.motorsim.ChangeListening;\r
  22 import com.billkuker.rocketry.motorsim.ConvergentDivergentNozzle;\r
  23 import com.billkuker.rocketry.motorsim.CylindricalChamber;\r
  24 import com.billkuker.rocketry.motorsim.Nozzle;\r
  25 \r
  26 public class HardwarePanel extends JPanel {\r
  27         private static final long serialVersionUID = 1L;\r
  28         private Nozzle nozzle;\r
  29         private Chamber chamber;\r
  30         \r
  31         public HardwarePanel(Nozzle n, Chamber c){\r
  32                 nozzle = n;\r
  33                 chamber = c;\r
  34                 if ( n instanceof ChangeListening.Subject ){\r
  35                         ((ChangeListening.Subject)n).addPropertyChangeListener(new PropertyChangeListener(){\r
  36                                 public void propertyChange(PropertyChangeEvent evt) {\r
  37                                         repaint();\r
  38                                 }\r
  39                         });\r
  40                 }\r
  41                 if ( c instanceof ChangeListening.Subject ){\r
  42                         ((ChangeListening.Subject)c).addPropertyChangeListener(new PropertyChangeListener(){\r
  43                                 public void propertyChange(PropertyChangeEvent evt) {\r
  44                                         repaint();\r
  45                                 }\r
  46                         });\r
  47                 }\r
  48         }\r
  49         \r
  50         public void paint(Graphics g){\r
  51                 super.paint(g);\r
  52                 Graphics2D g2d = (Graphics2D)g;\r
  53                 g2d.translate(10, 10);\r
  54 \r
  55                 g2d.setColor(Color.black);\r
  56                 \r
  57                 Shape c = chamber.chamberShape();\r
  58                 \r
  59                 Shape n = nozzle.nozzleShape(((CylindricalChamber)chamber).getID());\r
  60                 \r
  61                 Rectangle cb = c.getBounds();\r
  62                 Rectangle nb = n.getBounds();\r
  63                 double w, h;\r
  64                 w = Math.max(cb.getWidth(), nb.getWidth());\r
  65                 h = cb.getHeight() + nb.getHeight();\r
  66                 \r
  67                 double mw, mh;\r
  68                 mw = getWidth() - 10;\r
  69                 mh = getHeight() - 10;\r
  70                 \r
  71                 double sw, sh, s;\r
  72                 sw = mw / w;\r
  73                 sh = mh / h;\r
  74                 s = Math.min(sw, sh);\r
  75                 \r
  76                 g2d.translate(0, -cb.getY() - 5);\r
  77                 g2d.scale(s, s);\r
  78                 g2d.translate(-cb.getX(), 0);\r
  79                 \r
  80                 g2d.setStroke(new BasicStroke(1));\r
  81                 g2d.draw( c );\r
  82                 g2d.translate(0, cb.getHeight());\r
  83                 \r
  84                 g2d.draw(n);\r
  85         }\r
  86         \r
  87         public void showAsWindow(){\r
  88                 JFrame f = new JFrame();\r
  89                 f.setSize(220,250);\r
  90                 f.setContentPane(this);\r
  91                 f.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);\r
  92                 f.setVisible(true);\r
  93         }\r
  94         \r
  95         public static void main(String args[]) throws Exception{\r
  96                 ConvergentDivergentNozzle n = new ConvergentDivergentNozzle();\r
  97                 CylindricalChamber c = new CylindricalChamber();\r
  98                 n.setThroatDiameter(Amount.valueOf(10, SI.MILLIMETER));\r
  99                 n.setExitDiameter(Amount.valueOf(20, SI.MILLIMETER));\r
 100                 //new Editor(n).showAsWindow();\r
 101                 new HardwarePanel(n,c).showAsWindow();\r
 102         }\r
 103 }\r