git.gag.com Git - sw/motorsim/blob - gui/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.Motor;\r
  25 import com.billkuker.rocketry.motorsim.Nozzle;\r
  26 import com.billkuker.rocketry.motorsim.visual.workbench.MotorEditor;\r
  27 \r
  28 public class HardwarePanel extends JPanel {\r
  29         private static final long serialVersionUID = 1L;\r
  30         final Motor m;\r
  31         \r
  32         \r
  33         private PropertyChangeListener repainter = new PropertyChangeListener(){\r
  34                 public void propertyChange(PropertyChangeEvent evt) {\r
  35                         repaint();\r
  36                 }\r
  37         };\r
  38         \r
  39         public HardwarePanel(Motor m){\r
  40                 this.m = m;\r
  41                 Nozzle nozzle = m.getNozzle();\r
  42                 Chamber chamber = m.getChamber();\r
  43                 if ( nozzle instanceof ChangeListening.Subject ){\r
  44                         ((ChangeListening.Subject)nozzle).addPropertyChangeListener(repainter);\r
  45                 }\r
  46                 if ( chamber instanceof ChangeListening.Subject ){\r
  47                         ((ChangeListening.Subject)chamber).addPropertyChangeListener(repainter);\r
  48                 }\r
  49         }\r
  50         \r
  51         public void paint(Graphics g){\r
  52                 super.paint(g);\r
  53                 Graphics2D g2d = (Graphics2D)g;\r
  54                 g2d.translate(10, 10);\r
  55 \r
  56                 g2d.setColor(Color.black);\r
  57                 \r
  58                 Nozzle nozzle = m.getNozzle();\r
  59                 Chamber chamber = m.getChamber();\r
  60                 \r
  61                 Shape c = chamber.chamberShape();\r
  62                 \r
  63                 Shape n = nozzle.nozzleShape(Amount.valueOf(c.getBounds().getWidth(), SI.MILLIMETER));\r
  64                 \r
  65                 \r
  66                 Rectangle cb = c.getBounds();\r
  67                 Rectangle nb = n.getBounds();\r
  68                 double w, h;\r
  69                 w = Math.max(cb.getWidth(), nb.getWidth());\r
  70                 h = cb.getHeight() + nb.getHeight();\r
  71                 \r
  72                 double mw, mh;\r
  73                 mw = getHeight() - 10;\r
  74                 mh = getWidth() - 10;\r
  75                 \r
  76                 double sw, sh, s;\r
  77                 sw = mw / w;\r
  78                 sh = mh / h;\r
  79                 s = Math.min(sw, sh);\r
  80                 \r
  81                 g2d.rotate(-Math.PI / 2);\r
  82                 \r
  83                 g2d.translate(0, -cb.getY() - 5);\r
  84                 g2d.scale(s, s);\r
  85                 g2d.translate(-(getHeight()/(s*2)), 0);\r
  86                 \r
  87                 g2d.setStroke(new BasicStroke(1));\r
  88                 g2d.draw( c );\r
  89                 \r
  90                 g2d.translate(0, cb.getHeight());\r
  91                 \r
  92                 g2d.draw(n);\r
  93                 \r
  94                 Shape grain = m.getGrain().getSideView(Amount.valueOf(0, SI.MILLIMETER));\r
  95                 Shape grain2 = m.getGrain().getSideView(Amount.valueOf(1, SI.MILLIMETER));\r
  96                 Area burning = new Area(grain);\r
  97                 burning.subtract(new Area(grain2));\r
  98                 Rectangle gb = grain.getBounds();\r
  99                 double x = -gb.getMaxX() +  gb.getWidth()/2.0;\r
 100                 g2d.translate(x, -gb.getMaxY());\r
 101                 g2d.draw(grain);\r
 102                 g2d.setColor(Color.GRAY);\r
 103                 g2d.fill(grain);\r
 104                 g2d.setColor(Color.RED);\r
 105                 g2d.fill(burning);\r
 106         }\r
 107         \r
 108         public void showAsWindow(){\r
 109                 JFrame f = new JFrame();\r
 110                 f.setSize(220,250);\r
 111                 f.setContentPane(this);\r
 112                 f.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);\r
 113                 f.setVisible(true);\r
 114         }\r
 115         \r
 116         public static void main(String args[]) throws Exception{\r
 117                 Motor m = MotorEditor.defaultMotor();\r
 118                 new HardwarePanel(m).showAsWindow();\r
 119         }\r
 120 }\r