@@ -57,8 +57,7 @@ import org.apache.tools.ant.gui.LabelFieldGBC;
import java.lang.reflect.*;
import java.beans.*;
import javax.swing.*;
import java.util.Hashtable;
import java.util.Enumeration;
import java.util.*;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import java.awt.Component;
@@ -74,6 +73,8 @@ public class DynamicCustomizer extends JPanel {
static {
PropertyEditorManager.registerEditor(
String.class, StringPropertyEditor.class);
PropertyEditorManager.registerEditor(
String[].class, StringArrayPropertyEditor.class);
PropertyEditorManager.registerEditor(
int.class, IntegerPropertyEditor.class);
PropertyEditorManager.registerEditor(
@@ -84,14 +85,19 @@ public class DynamicCustomizer extends JPanel {
Double.class, DoublePropertyEditor.class);
}
/** Property name that PropertyDescriptors can save in their property
* dictionaries for for specifiying a display sorting order. The value
* sould be of type Integer. */
public static final String SORT_ORDER = "sortOrder";
/** The type that this editor instance can handle. */
private Class _type = null;
/** The value currently being edited. */
private Object _value = null;
/** Mapping from PropertyDescriptor to PropertyEditor. */
private Hashtable _prop2Editor = new Hashtable ();
private Map _prop2Editor = new HashMap ();
/** Mapping from PropertyEditor to field PropertyDescriptor. */
private Hashtable _editor2Prop = new Hashtable ();
private Map _editor2Prop = new HashMap ();
/** Listener for receiving change events from the editors. */
private EditorChangeListener _eListener = new EditorChangeListener();
/** Read-only flag. */
@@ -121,11 +127,18 @@ public class DynamicCustomizer extends JPanel {
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.
@@ -195,9 +208,9 @@ public class DynamicCustomizer extends JPanel {
// Iterate over each property, doing a lookup on the associated editor
// and setting the editor's value to the value of the property.
Enumeration enum = _prop2Editor.keys ();
while(enum.hasMoreElements ()) {
PropertyDescriptor desc = (PropertyDescriptor) enum.nextElemen t();
Iterator it = _prop2Editor.keySet().iterator ();
while(it.hasNext ()) {
PropertyDescriptor desc = (PropertyDescriptor) it.nex t();
PropertyEditor editor = (PropertyEditor) _prop2Editor.get(desc);
Method reader = desc.getReadMethod();
if(reader != null) {
@@ -215,6 +228,12 @@ public class DynamicCustomizer extends JPanel {
}
}
/**
* Get the appropriate editor for the given property.
*
* @param prop Property to get editor for.
* @return Editor to use, or null if none found.
*/
private PropertyEditor getEditorForProperty(PropertyDescriptor prop) {
PropertyEditor retval = null;
Class type = prop.getPropertyEditorClass();
@@ -231,7 +250,10 @@ public class DynamicCustomizer extends JPanel {
// PropertyEditor manager for the editor registered for the
// given property type.
if(retval == null) {
retval = PropertyEditorManager.findEditor(prop.getPropertyType());
Class t = prop.getPropertyType();
if(t != null) {
retval = PropertyEditorManager.findEditor(t);
}
}
return retval;
@@ -262,6 +284,27 @@ public class DynamicCustomizer extends JPanel {
}
/** Comparator for sorting PropertyDescriptor values. */
private static class PropertyComparator implements Comparator {
public int compare(Object o1, Object o2) {
PropertyDescriptor p1 = (PropertyDescriptor)o1;
PropertyDescriptor p2 = (PropertyDescriptor)o2;
Integer i1 = (Integer) p1.getValue(SORT_ORDER);
Integer i2 = (Integer) p2.getValue(SORT_ORDER);
if(i1 == null && i2 == null) {
return 0;
}
else if(i1 != null) {
return i1.compareTo(i2);
}
else {
return i2.compareTo(i1) * -1;
}
}
}
/**
* Test code.
*
metasim