Java Reference
In-Depth Information
fontComboBox. setSelectedItem(
"SansSerif"
);
final
JComboBox sizeComboBox =
new
JComboBox ( ) ;
final
JCheckBox boldCheckBox =
new
JCheckBox(
"Bold"
);
final
JCheckBox italicCheckBox =
new
JCheckBox(
"Italic"
);
for
(
int
i=8;i
<
= 72; i++)
{
sizeComboBox . addItem( i ) ;
sizeComboBox. setSelectedItem(12) ;
sizeComboBox . setEditable (
true
);
ActionListener changeListener =
new
ActionListener ()
{
{
public void
actionPerformed(ActionEvent e)
int
mask = Font .PLAIN;
if
(boldCheckBox . isSelected () )
{
mask += Font .BOLD;
if
(italicCheckBox . isSelected ())
{
mask += Font . ITALIC;
textArea . setFont(
new
Font((String) fontComboBox. getSelectedItem
() , mask, (Integer) sizeComboBox. getSelectedItem())) ;
}
}
;
controlPanel . add( fontComboBox) ;
controlPanel .add(sizeComboBox) ;
controlPanel . add(boldCheckBox) ;
controlPanel .add(italicCheckBox) ;
add( controlPanel , BorderLayout .NORTH) ;
boldCheckBox. addActionListener(changeListener) ;
italicCheckBox . addActionListener(changeListener) ;
sizeComboBox. addActionListener(changeListener) ;
fontComboBox. addActionListener(changeListener) ;
openMenuItem. addActionListener(
new
ActionListener ()
{
public void
actionPerformed(ActionEvent e)
{
JFileChooser fileChooser =
new
JFileChooser () ;
if
( f i leChooser . showDialog (NotepadFrame .
this
,
"Open"
)==
JFileChooser .APPROVEOPTION)
{
File newFile = fileChooser . getSelectedFile() ;
try
(Scanner fileHandler =
new
Scanner(newFile))
{
textArea . setText(
""
);
while
( fileHandler . hasNext () )
{
String line = fileHandler .nextLine() ;
textArea . append( l ine +
"\n"
);
}
}
catch
(Exception exception)
{
}
}
}
}
);
JMenuItem saveMenuItem =
new
JMenuItem(
"Save..."
);
fileMenu .add(saveMenuItem) ;
saveMenuItem. addActionListener(
new
ActionListener ()
{
public void
actionPerformed(ActionEvent e)
{
JFileChooser fileChooser =
new
JFileChooser () ;
