protected Map handleAttributes(Map attributes) {
Map undo = super.handleAttributes(attributes);
if (attributes != null) {
if (undo == null) undo = new Hashtable();
Iterator it = attributes.entrySet().iterator();
while (it.hasNext()) {
Map.Entry entry = (Map.Entry) it.next();
Object cell = entry.getKey();
Map properties = (Map) entry.getValue();
if (cell instanceof JGraphBusinessObject) {
JGraphBusinessObject bo = (JGraphBusinessObject) cell;
Map deltaOld = new Hashtable();
Iterator it2 = properties.entrySet().iterator();
while (it2.hasNext()) {
Map.Entry property = (Map.Entry) it2.next();
Object key = property.getKey();
Object oldValue = bo.putProperty(key, property.getValue());
if (oldValue != null) deltaOld.put(key, oldValue);
}
undo.put(cell, deltaOld);
}
}
}
return undo;
}
public void addProperty(Object cell, Object key, Object value) {
if (key != null && value != null) {
Object userObj = getValue(cell);
JGraphBusinessObject bo = (JGraphBusinessObject) userObj;
bo.putProperty(key, value);
cellsChanged(new Object[] {cell});
}
}
public Object valueForCellChanged(Object cell, Object newValue) {
Object userObject = getValue(cell);
if (userObject instanceof JGraphBusinessObject && newValue instanceof String) {
JGraphBusinessObject user = (JGraphBusinessObject) userObject;
Object oldLabel = user.getValue();
user.setValue(newValue);
return oldLabel;
} else return super.valueForCellChanged(cell, newValue);
}
