Handles the tag change information for this widget.
        
        :param      item | <QListWidgetItem>

def handleTagChange( self, item ):
        """
        Handles the tag change information for this widget.
        
        :param      item | <QListWidgetItem>
        """
        # :note PySide == operator not defined for QListWidgetItem.  In this
        #       in this case, we're just checking if the object is the exact
        #       same, so 'is' works just fine.
        create_item = self.createItem()
        if item is create_item:
            self.addTag(create_item.text())
        
        elif self.isTagValid(item.text()):
            item.setText(item.text())