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How to clear contents of selected cells in JTable?
I use mouse to drag a selection area in some JTable cells, the selection area is the yellow, so can anyone told me exactly how to clear the contents of selected cells by pressing "Delete" key in keyboard or a JButton?
The captured pic of selected cells:
java swing jtable
edited Jan 2 at 23:15
Andrew Thompson
154k28164349
asked Jan 2 at 15:58
Luffy D.Luffy D.
32
add a comment |
I use mouse to drag a selection area in some JTable cells, the selection area is the yellow, so can anyone told me exactly how to clear the contents of selected cells by pressing "Delete" key in keyboard or a JButton?
The captured pic of selected cells:
java swing jtable
edited Jan 2 at 23:15
Andrew Thompson
154k28164349
asked Jan 2 at 15:58
Luffy D.Luffy D.
32
add a comment |
I use mouse to drag a selection area in some JTable cells, the selection area is the yellow, so can anyone told me exactly how to clear the contents of selected cells by pressing "Delete" key in keyboard or a JButton?
The captured pic of selected cells:
java swing jtable
edited Jan 2 at 23:15
Andrew Thompson
154k28164349
asked Jan 2 at 15:58
Luffy D.Luffy D.
32
I use mouse to drag a selection area in some JTable cells, the selection area is the yellow, so can anyone told me exactly how to clear the contents of selected cells by pressing "Delete" key in keyboard or a JButton?
The captured pic of selected cells:
java swing jtable
java swing jtable
edited Jan 2 at 23:15
Andrew Thompson
154k28164349
asked Jan 2 at 15:58
Luffy D.Luffy D.
32
edited Jan 2 at 23:15
Andrew Thompson
154k28164349
asked Jan 2 at 15:58
Luffy D.Luffy D.
32
edited Jan 2 at 23:15
Andrew Thompson
154k28164349
edited Jan 2 at 23:15
Andrew Thompson
154k28164349
edited Jan 2 at 23:15
Andrew Thompson
154k28164349
154k28164349
asked Jan 2 at 15:58
Luffy D.Luffy D.
32
asked Jan 2 at 15:58
Luffy D.Luffy D.
32
asked Jan 2 at 15:58
Luffy D.Luffy D.
32
32
add a comment |
add a comment |
1 Answer
1
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oldest
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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.
answered Jan 2 at 16:42
camickrcamickr
276k16127241
thanks first ! I got ideas from your answers and i make it out by my way, i use it in the keypress event.
– Luffy D.
Jan 3 at 8:22
add a comment |
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1 Answer
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active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
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.
answered Jan 2 at 16:42
camickrcamickr
276k16127241
thanks first ! I got ideas from your answers and i make it out by my way, i use it in the keypress event.
– Luffy D.
Jan 3 at 8:22
add a comment |
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.
answered Jan 2 at 16:42
camickrcamickr
276k16127241
thanks first ! I got ideas from your answers and i make it out by my way, i use it in the keypress event.
– Luffy D.
Jan 3 at 8:22
add a comment |
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.
answered Jan 2 at 16:42
camickrcamickr
276k16127241
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.
answered Jan 2 at 16:42
camickrcamickr
276k16127241
edited Jan 2 at 16:50
answered Jan 2 at 16:42
camickrcamickr
276k16127241
answered Jan 2 at 16:42
camickrcamickr
276k16127241
answered Jan 2 at 16:42
camickrcamickr
276k16127241
276k16127241
thanks first ! I got ideas from your answers and i make it out by my way, i use it in the keypress event.
– Luffy D.
Jan 3 at 8:22
add a comment |
thanks first ! I got ideas from your answers and i make it out by my way, i use it in the keypress event.
– Luffy D.
Jan 3 at 8:22
thanks first ! I got ideas from your answers and i make it out by my way, i use it in the keypress event.
– Luffy D.
Jan 3 at 8:22
thanks first ! I got ideas from your answers and i make it out by my way, i use it in the keypress event.
– Luffy D.
Jan 3 at 8:22
add a comment |
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