Inheritance diagram for MatrixChoice::
Public Methods | |
| MatrixChoice (org.omg.CORBA.TypeCode tc) | |
| JComponent | inputArg () |
| Dialog component where the user specifies the result. More... | |
| java.lang.Object | asObject (String name) throws InvalidChoiceException |
| Returns the object introduced as that text. More... | |
Static Public Methods | |
| HxCorba.Matrix | getMatrix (String type, String values) throws InvalidChoiceException |
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00025 {
00026 super(tc);
00027 _objectName = null;
00028 }
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Dialog component where the user specifies the result.
Reimplemented from InterfaceChoice.
00031 {
00032 if(_input == null) {
00033 _input = (JComboBox)super.inputArg();
00034 _input.addItem("rotate: 1.0");
00035 _input.addItem("trans: 1.0 1.0");
00036 _input.addItem("scale: 1.0 1.0");
00037
00038 _input.setEditable(true);
00039 _input.getEditor().getEditorComponent().addFocusListener(new HxJava.Util.SelectOnFocus());
00040
00041 _input.setSelectedIndex(0);
00042 }
00043 return _input;
00044 }
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00048 {
00049 HxCorba.MatrixFactory factory;
00050 try {
00051 org.omg.CORBA.Object obj =
00052 CorbaMediator.instance().getInitialObject("Constructor");
00053 factory = HxCorba.MatrixFactoryHelper.narrow(obj);
00054 }catch(Exception e) {
00055 throw new InvalidChoiceException("Cannot find HORUS server");
00056 }
00057
00058 try {
00059 StringTokenizer tok = new StringTokenizer(values);
00060 double[] dValues = new double[3];
00061 int nDValues = 0;
00062 while(tok.hasMoreTokens() && nDValues < 3) {
00063 dValues[nDValues] = Double.parseDouble(tok.nextToken());
00064 nDValues++;
00065 };
00066
00067 if(type.equals("rotate:")) {
00068 if(nDValues < 1)
00069 throw new InvalidChoiceException("Rotate requires 1 double");
00070 return factory.rotate2d(dValues[0]);
00071 }
00072
00073 if(type.equals("trans:")) {
00074 if(nDValues < 2)
00075 throw new InvalidChoiceException("Translation requires 2 doubles");
00076 return factory.translate2d(dValues[0], dValues[1]);
00077 }
00078
00079 if(type.equals("scale:")) {
00080 if(nDValues < 2)
00081 throw new InvalidChoiceException("Scaling requires 2 doubles");
00082 return factory.scale2d(dValues[0], dValues[1]);
00083 }
00084
00085 }catch(NumberFormatException e) {
00086 }
00087
00088 throw new InvalidChoiceException("Wrong number");
00089 }
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Returns the object introduced as that text. Useful method to implement setArgument. Reimplemented from InterfaceChoice.
00092 {
00093 if(name.equals(_objectName)) return _object; //already computed
00094
00095 String type = null;
00096 if(name.startsWith("rotate:")) type = "rotate:";
00097 else if(name.startsWith("trans:")) type = "trans:";
00098 else if(name.startsWith("scale:")) type = "scale:";
00099
00100 if(type == null) _object = super.asObject(name);
00101 else {
00102 try {
00103 String values = name.substring(type.length()).trim();
00104 _object = getMatrix(type, values);
00105 }catch(InvalidChoiceException e) {
00106 _input.requestFocus();
00107 _objectName = null;
00108 throw e;
00109 }
00110 }
00111
00112 _objectName = name;
00113 return _object;
00114 }
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1.2.12 written by Dimitri van Heesch,
© 1997-2001