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

   1 package com.billkuker.rocketry.motorsim.visual;\r
   2 \r
   3 import java.awt.Component;\r
   4 import java.beans.IntrospectionException;\r
   5 import java.beans.Introspector;\r
   6 import java.beans.PropertyChangeEvent;\r
   7 import java.beans.PropertyChangeListener;\r
   8 import java.beans.PropertyDescriptor;\r
   9 import java.beans.PropertyEditorManager;\r
  10 import java.beans.PropertyEditorSupport;\r
  11 import java.lang.reflect.InvocationTargetException;\r
  12 import java.util.Vector;\r
  13 \r
  14 import javax.measure.unit.Unit;\r
  15 import javax.swing.JFrame;\r
  16 import javax.swing.JTextField;\r
  17 import javax.swing.WindowConstants;\r
  18 \r
  19 import org.apache.log4j.Logger;\r
  20 import org.jscience.physics.amount.Amount;\r
  21 \r
  22 import com.l2fprod.common.propertysheet.PropertySheetPanel;\r
  23 \r
  24 public class Editor extends PropertySheetPanel {\r
  25         private static final long serialVersionUID = 1L;\r
  26 \r
  27         private static Logger log = Logger.getLogger(Editor.class);\r
  28 \r
  29         private Object obj;\r
  30 \r
  31         public Editor(Object o) throws IntrospectionException,\r
  32                         IllegalArgumentException, IllegalAccessException,\r
  33                         InvocationTargetException {\r
  34                 obj = o;\r
  35 \r
  36                 PropertyEditorManager.registerEditor(Amount.class,\r
  37                                 AmountPropertyEditor.class);\r
  38 \r
  39                 // Build the list of properties we want it to edit\r
  40                 //final PropertySheetPanel ps = new PropertySheetPanel();\r
  41                 PropertyDescriptor props[] = Introspector.getBeanInfo(obj.getClass())\r
  42                                 .getPropertyDescriptors();\r
  43                 Vector<PropertyDescriptor> v = new Vector<PropertyDescriptor>();\r
  44                 for (int i = 0; i < props.length; i++) {\r
  45                         if (props[i].getName().equals("class"))\r
  46                                 continue;\r
  47                         v.add(props[i]);\r
  48                 }\r
  49                 setProperties(v.toArray(new PropertyDescriptor[v.size()]));\r
  50 \r
  51                 readFromObject(obj);\r
  52 \r
  53                 addPropertySheetChangeListener(new PropertyChangeListener() {\r
  54 \r
  55                         public void propertyChange(PropertyChangeEvent evt) {\r
  56                                 // When something changes just update the\r
  57                                 // object, I want the changes to be immediate.\r
  58                                 try {\r
  59                                         log.debug("Writing properties to object.");\r
  60                                         writeToObject(obj);\r
  61                                 } catch (Exception v) {\r
  62                                         // TODO\r
  63                                         v.printStackTrace();\r
  64                                         java.awt.Toolkit.getDefaultToolkit().beep();\r
  65                                 } finally {\r
  66                                         readFromObject(obj);\r
  67                                 }\r
  68                         }\r
  69 \r
  70                 });\r
  71         }\r
  72 \r
  73         public void showAsWindow() {\r
  74                 JFrame f = new JFrame();\r
  75                 f.setTitle(obj.getClass().getName());\r
  76                 f.setSize(600, 400);\r
  77                 f.setContentPane(this);\r
  78                 f.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);\r
  79                 f.setVisible(true);\r
  80         }\r
  81 \r
  82         public static class AmountPropertyEditor extends PropertyEditorSupport {\r
  83                 JTextField editor = new JTextField();\r
  84                 Unit oldUnit;\r
  85 \r
  86                 @Override\r
  87                 public boolean supportsCustomEditor() {\r
  88                         return true;\r
  89                 }\r
  90 \r
  91                 @Override\r
  92                 public String getAsText() {\r
  93                         return editor.getText();\r
  94                 }\r
  95 \r
  96                 @SuppressWarnings("unchecked")\r
  97                 @Override\r
  98                 public Object getValue() {\r
  99                         String text = editor.getText().trim();\r
 100 \r
 101                         // Trying to determine if the value is integer or\r
 102                         // has a decimal part will prevent the uncertainty\r
 103                         // term from appearing when user types an exact value\r
 104                         try {\r
 105                                 try {\r
 106                                         return Amount.valueOf(Integer.parseInt(text), oldUnit);\r
 107                                 } catch (NumberFormatException e) {\r
 108 \r
 109                                 }\r
 110                                 Amount a = Amount.valueOf(Double.parseDouble(text), oldUnit);\r
 111                                 return a;\r
 112                         } catch (NumberFormatException e) {\r
 113                                 // Storing the old unit allows you to type 10 into a field\r
 114                                 // that says 20 mm and get 10 mm, so you dont have to\r
 115                                 // type the unit if they havn't changed.\r
 116                                 Amount a = Amount.valueOf(editor.getText());\r
 117                                 oldUnit = a.getUnit();\r
 118                                 return a;\r
 119                         }\r
 120 \r
 121                 }\r
 122 \r
 123                 @SuppressWarnings("unchecked")\r
 124                 @Override\r
 125                 public void setValue(Object o) {\r
 126                         Amount a = (Amount) o;\r
 127                         oldUnit = a.getUnit();\r
 128 \r
 129                         String text;\r
 130                         //Leave off the fractional part if it is not relevant\r
 131                         if (a.isExact())\r
 132                                 text = a.getExactValue() + " " + a.getUnit();\r
 133                         else\r
 134                                 text = a.doubleValue(a.getUnit()) + " " + a.getUnit();\r
 135 \r
 136                         setAsText(text);\r
 137                 }\r
 138 \r
 139                 @Override\r
 140                 public void setAsText(String text) throws IllegalArgumentException {\r
 141                         editor.setText(text);\r
 142                 };\r
 143 \r
 144                 @Override\r
 145                 public Component getCustomEditor() {\r
 146                         return editor;\r
 147                 }\r
 148         }\r
 149 \r
 150 }\r