Create an Acton
to find the selected cells and clear the text. The easiest way is to loop through each cell in the table.
The basics of the Action
would be something like:
Action clearAction = new Action()
{
@Override
public void actionPerformed(ActionEvent e)
{
for (each row in the table)
for (each column in the row)
if (table.isCellSelected(...))
table.setValueAt("", ...);
}
}
Then you create a button to invoke the Action:
JButton clearButton = new JButton( "Clear" );
clearButton.addActionListener( clearAction );
If you also want to use the Delete key then you can use Key Bindings
to share the same Action.
The basic logic to add a new Key Binding to the JTable would be:
String keyStrokeAndKey = "DELETE";
KeyStroke keyStroke = KeyStroke.getKeyStroke(keyStrokeAndKey);
table.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(keyStroke, keyStrokeAndKey);
table.getActionMap().put(keyStrokeAndKey, action);
Check out Key Bindings for more information.
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