An event that occurs in MPropertiesTable when a property in the table has
been changed by the user, either because the user has typed in new text
or that he has copied/pasted data.
A JTextArea object that has a right-click menu with the following options:
Cut
Copy
Paste
Delete
Select All
Right-click menu cannot be modified, but can be overwritten.
A JTextField object that has a right-click menu with the following options:
Cut
Copy
Paste
Delete
Select All
Right-click menu cannot be modified, but can be overwritten.
Sets whether or not the button will display Images and Text, Text only,
or Pictures only.
(precondition: buttonMode == IMAGE_AND_TEXT, IMAGE_ONLY, TEXT_ONLY)