/**
* Create a new ProjectionClass from the class
*
* @param pc projection class
* @throws ClassNotFoundException couldn't find the class
* @throws IntrospectionException problem with introspection
*/
ProjectionClass(Class pc) throws ClassNotFoundException, IntrospectionException {
projClass = pc;
// eliminate common properties with "stop class" for getBeanInfo()
Class stopClass;
try {
stopClass = Misc.findClass("ucar.unidata.geoloc.ProjectionImpl");
} catch (Exception ee) {
System.err.println("constructParamInput failed ");
stopClass = null;
}
// analyze current projection class as a bean; may throw IntrospectionException
BeanInfo info = java.beans.Introspector.getBeanInfo(projClass, stopClass);
// find read/write methods
PropertyDescriptor[] props = info.getPropertyDescriptors();
if (debugBeans) {
System.out.print("Bean Properties for class " + projClass);
if ((props == null) || (props.length == 0)) {
System.out.println("none");
return;
}
System.out.println("");
}
for (int i = 0; i < props.length; i++) {
PropertyDescriptor pd = props[i];
Method reader = pd.getReadMethod();
Method writer = pd.getWriteMethod();
// only interesetd in read/write properties
if ((reader == null) || (writer == null)) {
continue;
}
// A hack to exclude some attributes
if (pd.getName().equals("name") || pd.getName().equals("defaultMapArea")) {
continue;
}
ProjectionParam p = new ProjectionParam(pd.getName(), reader, writer, pd.getPropertyType());
paramList.add(p);
if (debugBeans) {
System.out.println(" -->" + p);
}
}
// get an instance of this class so we can call toClassName()
Projection project;
if (null == (project = makeDefaultProjection())) {
name = "none";
return;
}
// invoke the toClassName method
try {
Method m = projClass.getMethod("getProjectionTypeLabel", VOIDCLASSARG);
name = (String) m.invoke(project, VOIDOBJECTARG);
} catch (NoSuchMethodException ee) {
System.err.println(
"ProjectionManager: class "
+ projClass
+ " does not have method getProjectionTypeLabel()");
throw new ClassNotFoundException();
} catch (SecurityException ee) {
System.err.println(
"ProjectionManager: class "
+ projClass
+ " got SecurityException on getProjectionTypeLabel()"
+ ee);
throw new ClassNotFoundException();
} catch (Exception ee) {
System.err.println(
"ProjectionManager: class "
+ projClass
+ " Exception when invoking getProjectionTypeLabel()"
+ ee);
throw new ClassNotFoundException();
}
}
/**
* Standard constructor.
*
* @param type Type that you are going to be creating and editor for.
* @param readOnly Set to true to create a read-only customizer.
*/
public DynamicCustomizer(Class type, boolean readOnly) {
super(new GridBagLayout());
_readOnly = readOnly;
_type = type;
LabelFieldGBC gbc = new LabelFieldGBC();
try {
BeanInfo info = Introspector.getBeanInfo(type);
// Set up pretty display stuff.
setBorder(BorderFactory.createTitledBorder(info.getBeanDescriptor().getDisplayName()));
setToolTipText(info.getBeanDescriptor().getShortDescription());
// Get the properties and sort them.
PropertyDescriptor[] props = info.getPropertyDescriptors();
Arrays.sort(props, new PropertyComparator());
for (int i = 0; i < props.length; i++) {
// Ignore the "class" property, if it is provided.
if (props[i].getName().equals("class")) continue;
// Create a label for the field.
JLabel label = new JLabel(props[i].getDisplayName() + ":");
// Lookup the editor.
PropertyEditor editor = getEditorForProperty(props[i]);
// Add a listener to the editor so we know when to update
// the bean's fields.
editor.addPropertyChangeListener(_eListener);
// XXX What we need to do right here is provide a component
// that makes use of the "paintable" capability of the editor.
Component comp = editor.getCustomEditor();
if (comp == null) {
comp = new JLabel("<No editor available.>");
((JLabel) comp).setBorder(BorderFactory.createEtchedBorder());
}
// See if it is a read-only property. If so, then just
// display it.
if (_readOnly || props[i].getWriteMethod() == null) {
comp.setEnabled(false);
}
// Setup the accellerator key.
label.setLabelFor(comp);
label.setDisplayedMnemonic(label.getText().charAt(0));
// Set the tool tip text, if any.
String tip = props[i].getShortDescription();
if (tip != null) {
label.setToolTipText(tip);
if (comp instanceof JComponent) {
((JComponent) comp).setToolTipText(tip);
}
}
// Add the label and fields.
add(label, gbc.forLabel());
add(comp, gbc.forField());
// Set the mappings between editor and property, etc. for
// quick lookup later.
_prop2Editor.put(props[i], editor);
_editor2Prop.put(editor, props[i]);
}
// Filler...
add(new JLabel(), gbc.forLastLabel());
} catch (Exception ex) {
ex.printStackTrace();
}
}