Make sure that the tagproperties widget is not sensitive at creation time, it should only be enabled when something gets selected.
Make sure the tagproperties widget is not sensitive when the Template changes. It should only be reenabled when something gets selected.
Make sure the player properties widget is not sensitive when the Template changes. It should only be reenabled when something gets selected.
Add a function to clear the player information from the widgets and use it.
When a new template is set or nothing is selected, make sure the tagger is null.
Improve support for null tagger. We need to reset the different widgets and also protect the event handlers while changes are done
Manage player frame widget sensitivity only with LoadPlayer and ClearPlayerFrame (could be renamed ?). Simplify the code.
Rename function for consistency.