/*
* WODictionaryRepetition.java
* (c) Copyright 2001 Apple Computer, Inc. All rights reserved.
* This a modified version.
* Original license: http://www.opensource.apple.com/apsl/
*/
package com.webobjects.woextensions;
import com.webobjects.appserver.WOComponent;
import com.webobjects.appserver.WOContext;
import com.webobjects.eocontrol.EOSortOrdering;
import com.webobjects.foundation.NSArray;
import com.webobjects.foundation.NSDictionary;
public class WODictionaryRepetition extends WOComponent {
/**
* Do I need to update serialVersionUID?
* See section 5.6 <cite>Type Changes Affecting Serialization</cite> on page 51 of the
* <a href="http://java.sun.com/j2se/1.4/pdf/serial-spec.pdf">Java Object Serialization Spec</a>
*/
private static final long serialVersionUID = 1L;
protected NSArray _keyList;
protected NSDictionary _dictionary = null;
public WODictionaryRepetition(WOContext aContext) {
super(aContext);
}
@Override
public boolean isStateless() {
return true;
}
protected void _invalidateCaches() {
// ** By setting these to null, we allow the dictionary to change after the action and before the next cycle of this component (if the component is on a page which is recycled)
_dictionary = null;
_keyList = null;
}
@Override
public void reset() {
_invalidateCaches();
}
public NSDictionary dictionary() {
if (_dictionary==null) {
_dictionary = (NSDictionary)_WOJExtensionsUtil.valueForBindingOrNull("dictionary",this);
if (_dictionary == null) {
_dictionary = NSDictionary.EmptyDictionary;
_keyList = NSArray.EmptyArray;
} else {
_keyList = _dictionary.allKeys();
_keyList = EOSortOrdering.sortedArrayUsingKeyOrderArray(_keyList, new NSArray<EOSortOrdering>(new EOSortOrdering("toString", EOSortOrdering.CompareAscending)));
}
}
return _dictionary;
}
public NSArray keyList() {
if (_keyList==null) {
dictionary();
}
return _keyList;
}
public Object currentKey() {
// ** this is required by key/value coding.
return "";
}
public void setCurrentKey(Object aKey) {
if ((dictionary()!=null) && (aKey!=null)) {
Object anObject = dictionary().objectForKey(aKey);
setValueForBinding(aKey, "key");
setValueForBinding(anObject, "item");
}
}
}