1 package com.billkuker.rocketry.motorsim.visual;
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3 import java.awt.Component;
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4 import java.beans.IntrospectionException;
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5 import java.beans.Introspector;
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6 import java.beans.PropertyChangeEvent;
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7 import java.beans.PropertyChangeListener;
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8 import java.beans.PropertyDescriptor;
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9 import java.beans.PropertyEditorManager;
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10 import java.beans.PropertyEditorSupport;
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11 import java.lang.reflect.InvocationTargetException;
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12 import java.util.Vector;
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14 import javax.measure.unit.Unit;
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15 import javax.swing.JFrame;
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16 import javax.swing.JTextField;
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17 import javax.swing.WindowConstants;
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19 import org.apache.log4j.Logger;
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20 import org.jscience.physics.amount.Amount;
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22 import com.l2fprod.common.propertysheet.PropertySheetPanel;
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24 public class Editor extends PropertySheetPanel {
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25 private static final long serialVersionUID = 1L;
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27 private static Logger log = Logger.getLogger(Editor.class);
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31 public Editor(Object o) throws IntrospectionException,
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32 IllegalArgumentException, IllegalAccessException,
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33 InvocationTargetException {
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36 PropertyEditorManager.registerEditor(Amount.class,
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37 AmountPropertyEditor.class);
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39 // Build the list of properties we want it to edit
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40 //final PropertySheetPanel ps = new PropertySheetPanel();
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41 PropertyDescriptor props[] = Introspector.getBeanInfo(obj.getClass())
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42 .getPropertyDescriptors();
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43 Vector<PropertyDescriptor> v = new Vector<PropertyDescriptor>();
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44 for (int i = 0; i < props.length; i++) {
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45 if (props[i].getName().equals("class"))
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49 setProperties(v.toArray(new PropertyDescriptor[v.size()]));
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51 readFromObject(obj);
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53 addPropertySheetChangeListener(new PropertyChangeListener() {
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56 public void propertyChange(PropertyChangeEvent evt) {
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57 // When something changes just update the
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58 // object, I want the changes to be immediate.
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60 log.debug("Writing properties to object.");
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62 } catch (Exception v) {
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64 v.printStackTrace();
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65 java.awt.Toolkit.getDefaultToolkit().beep();
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67 readFromObject(obj);
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74 public void show() {
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75 JFrame f = new JFrame();
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76 f.setSize(600, 400);
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77 f.setContentPane(this);
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78 f.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
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82 public static class AmountPropertyEditor extends PropertyEditorSupport {
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83 JTextField editor = new JTextField();
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87 public boolean supportsCustomEditor() {
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92 public String getAsText() {
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93 return editor.getText();
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96 @SuppressWarnings("unchecked")
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98 public Object getValue() {
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99 String text = editor.getText().trim();
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101 // Trying to determine if the value is integer or
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102 // has a decimal part will prevent the uncertainty
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103 // term from appearing when user types an exact value
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106 return Amount.valueOf(Integer.parseInt(text), oldUnit);
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107 } catch (NumberFormatException e) {
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110 Amount a = Amount.valueOf(Double.parseDouble(text), oldUnit);
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112 } catch (NumberFormatException e) {
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113 // Storing the old unit allows you to type 10 into a field
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114 // that says 20 mm and get 10 mm, so you dont have to
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115 // type the unit if they havn't changed.
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116 Amount a = Amount.valueOf(editor.getText());
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117 oldUnit = a.getUnit();
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123 @SuppressWarnings("unchecked")
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125 public void setValue(Object o) {
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126 Amount a = (Amount) o;
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127 oldUnit = a.getUnit();
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130 //Leave off the fractional part if it is not relevant
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132 text = a.getExactValue() + " " + a.getUnit();
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134 text = a.doubleValue(a.getUnit()) + " " + a.getUnit();
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140 public void setAsText(String text) throws IllegalArgumentException {
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141 editor.setText(text);
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145 public Component getCustomEditor() {
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