/**
* Inserts a {@link DataElement} at the specified index. After the element has been successfully
* inserted all {@link DataListener DataListeners} will be informed.
*
* @param index Index at which <tt>element</tt> will be inserted. All elements with an index >=
* <tt>index</tt> will be shifted.
* @param element DataElement to be added.
* @throws IllegalArgumentException if <tt>element</tt> is not of the correct type which will be
* checked by the method {@link #isValid}.
*/
public void insertElementAt(int index, DataElement element) {
if (isValid(element)) {
_container.insertElementAt(element, index);
element.setContainer(this);
notifyListeners(DataEvent.createInsertEvent(this, index));
} else {
throwException(INSERT, element);
}
}
/**
* Adds a {@link DataElement}. After the element has been successfully added all {@link
* DataListener DataListeners} will be informed.
*
* @param element DataElement to be added.
* @throws IllegalArgumentException if <tt>element</tt> is not of the correct type which will be
* checked by the method {@link #isValid}.
*/
public void addElement(DataElement element) {
if (isValid(element)) {
_container.addElement(element);
element.setContainer(this);
notifyListeners(DataEvent.createAddEvent(this));
} else {
throwException(ADD, element);
}
}
/**
* Replaces the {@link DataElement} at the specified index. After the element has been
* successfully replaced all {@link DataListener DataListeners} will be informed.
*
* @param index Index of the element which will be replaced by <tt>element</tt>.
* @param element The new <tt>DataElement</tt>.
* @throws IllegalArgumentException if <tt>element</tt> is not of the correct type which will be
* checked by the method {@link #isValid}.
*/
public void replaceElementAt(int index, DataElement element) {
if (isValid(element)) {
DataElement oldElement = (DataElement) _container.elementAt(index);
oldElement.setContainer(null);
_container.setElementAt(element, index);
element.setContainer(this);
notifyListeners(DataEvent.createReplaceEvent(this, index, oldElement));
} else {
throwException(REPLACE, element);
}
}
/**
* Removes a {@link DataElement} at the specified index. After the element has been successfully
* removed all {@link DataListener DataListeners} will be informed.
*
* @param index Index of the element which will be removed. All elements with an index >
* <tt>index</tt> will be shifted.
*/
public void removeElementAt(int index) {
DataElement element = (DataElement) _container.elementAt(index);
element.setContainer(null);
_container.removeElementAt(index);
notifyListeners(DataEvent.createRemoveEvent(this, index, element));
}