@@ -67,8 +67,15 @@ import java.util.*;
* @author Simeon Fitch
*/
public class PropertiesPropertyEditor extends AbstractPropertyEditor {
/** Recommended size for widgets inside a JScrollPane, as communicated
* through the setPreferredScrollableViewportSize() method. */
protected static final Dimension VIEWPORT_SIZE = new Dimension(200, 50);
/** Container. */
private JPanel _widget = null;
private Properties _value = null;
/* The current properties being edited. */
private Properties _properties = null;
/** The table editor for the properties. */
private JTable _table = null;
/**
@@ -80,7 +87,7 @@ public class PropertiesPropertyEditor extends AbstractPropertyEditor {
_widget.addFocusListener(new FocusHandler(this));
_table = new JTable();
_table.setPreferredScrollableViewportSize(new Dimension(300, 100) );
_table.setPreferredScrollableViewportSize(VIEWPORT_SIZE );
JScrollPane scroller = new JScrollPane(_table);
_widget.add(BorderLayout.CENTER, scroller);
}
@@ -126,20 +133,21 @@ public class PropertiesPropertyEditor extends AbstractPropertyEditor {
value.getClass().getName() + " is not of type Properties.");
}
Object old = _value;
_value = (Properties) value;
_table.setModel(new PropertiesTableModel(_value));
Object old = _properties;
_properties = (Properties) ((Properties) value).clone();
firePropertyChange(old, value);
PropertiesTableModel model = new PropertiesTableModel();
_table.setModel(model);
_table.clearSelection();
}
/**
* @return The value of the property. Builtin types such as "int" will
* be wrapped as the corresponding object type such as "java.lang.Integer".
* @return The value of the property. Builtin types
* such as "int" will be wrapped as the corresponding
* object type such as "java.lang.Integer".
*/
public Object getValue() {
return _value ;
return _properties ;
}
/**
@@ -165,46 +173,132 @@ public class PropertiesPropertyEditor extends AbstractPropertyEditor {
}
/** Table model view of the Properties object. */
private static class PropertiesTableModel extends AbstractTableModel {
private class PropertiesTableModel extends AbstractTableModel {
private static final int NAME = 0;
private static final int VALUE = 1;
private Properties _properties = null;
private String[] _keys = null;
public PropertiesTableModel(Properties props) {
_properties = props;
private List _keys = null;
Enumeration enum = _properties.keys();
_keys = new String[_properties.size()];
for(int i = 0; enum.hasMoreElements(); i++) {
String key = (String) enum.nextElement();
_keys[i] = key;
}
public PropertiesTableModel() {
// We need to store the property keys in an array
// so that the ordering is preserved.
_keys = new ArrayList(_properties.keySet());
Collections.sort(_keys);
}
/**
* Get the number of rows.
*
* @return Number of rows.
*/
public int getRowCount() {
return _keys.length;
return _properties.size() + 1 ;
}
/**
* Get the number of columns.
*
* @return 2
*/
public int getColumnCount() {
return 2;
}
/**
* Get the editing and display class of the given column.
*
* @return String.class
*/
public Class getColumnClass(int column) {
return String.class;
}
/**
* Get the header name of the column.
*
* @param column Column index.
* @return Name of the column.
*/
public String getColumnName(int column) {
// XXX fix me.
return column == NAME ? "Name" : "Value";
}
/**
* Determine if the given cell is editable.
*
* @param row Cell row.
* @param column Cell column.
* @return true
*/
public boolean isCellEditable(int row, int column) {
return true;
}
/**
* Get the object at the given table coordinates.
*
* @param row Table row.
* @param column Table column.
* @return Object at location, or null if none.
*/
public Object getValueAt(int row, int column) {
switch(column) {
case NAME: return _keys[row];
case VALUE: return _properties.getProperty(_keys[row]);
if(row < _properties.size()) {
switch(column) {
case NAME:
return _keys.get(row);
case VALUE:
return _properties.getProperty((String)_keys.get(row));
}
}
return null;
}
}
/**
* Set the table value at the given location.
*
* @param value Value to set.
* @param row Row.
* @param column Column.
*/
public void setValueAt(Object value, int row, int column) {
String k = null;
String v = null;
String currKey = (String) getValueAt(row, NAME);
switch(column) {
case NAME:
k = String.valueOf(value);
if(row < _keys.size()) {
_keys.set(row, k);
}
else {
_keys.add(k);
}
String currValue = null;
if(currKey != null) {
currValue = _properties.getProperty(currKey);
_properties.remove(currKey);
}
v = currValue == null ? "" : currValue;
break;
case VALUE:
v = String.valueOf(value);
k = currKey;
if(k == null || k.length() == 0) {
k = "key-for-" + v;
}
break;
}
if(k.length() > 0) {
_properties.setProperty(k, v);
}
fireTableRowsUpdated(row, row);
// Fire change in outer class.
firePropertyChange(null, _properties);
}
}
}
metasim