/**
* Utilizes add function of TreeSet. If successful, selected item for combo- box implementation is
* updated to item just added. Event will not be added if a duplicate event is found
*
* <p>Model is saved to file after Event is added
*
* @param o the event to be added to this implementation
* @return true if item successfully added (TreeSet parent class' add function returns true).
* False otherwise.
*/
@Override
public boolean add(T1 o) // Modify to take in Authenication ID for future logging function
{
if (super.add(o)) {
comboBoxModelSelectedItem = o;
modelListenersNotify();
ViewerController.saveModel();
return true;
}
return false;
}
/**
* Utilizes TreeSet parent's remove function. If it returns true, item is removed and, if item is
* selected in combobox model, selected model is updated to first item if size > 0, null
* otherwise.
*
* <p>Model is saved after item is removed
*
* @param o the object to be removed from the set
* @return true if parent class successfully removes the object. false otherwise
*/
@Override
public boolean remove(Object o) // Modify to take in Authenication ID for future logging function
{
if (super.remove(o)) {
if (comboBoxModelSelectedItem.equals(o))
comboBoxModelSelectedItem = ((this.size() > 0) ? this.first() : null);
modelListenersNotify();
ViewerController.saveModel();
return true;
}
return false;
}
/**
* Utilizes TreeSet parent's addAll function. If parent function returns true, the set has changed
* and, as a result, selected item is updated to first item in list and the model is saved to
* file.
*
* @param c Collection of events to be added to model
* @return true if the set has changed as a result of this call, false if otherwise
*/
@Override
public boolean addAll(
Collection<? extends T1> c) // Modify to take in Authenication ID for future logging function
{
if (super.addAll(c)) {
comboBoxModelSelectedItem = this.first();
modelListenersNotify();
ViewerController.saveModel();
return true;
}
return false;
}