SplitPanePanelpublic class SplitPanePanel extends JPanel
| Fields Summary |
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| protected JSplitPane | splitPaneJSplitPane being shown to the user. | | protected GridComponent | leftGridLeft component being split. | | protected GridComponent | rightGridRight component being split. | | protected SwingSet | swingGrand puba swingset. |
| Constructors Summary |
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public SplitPanePanel(SwingSet swing)
super();
this.swing = swing;
setDoubleBuffered(true);
setLayout(new BorderLayout());
createSplitPane();
createInformationControls();
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| Methods Summary |
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| protected void | createInformationControls()Creates controls to alter the JSplitPane.
JPanel wrapper = new JPanel();
ButtonGroup group = new ButtonGroup();
JRadioButton button;
Box buttonWrapper = new Box(BoxLayout.X_AXIS);
wrapper.setLayout(new GridLayout(0, 1));
/* Create a radio button to vertically split the split pane. */
button = new JRadioButton("Vertically split");
button.setMnemonic('V");
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
splitPane.setOrientation(JSplitPane.VERTICAL_SPLIT);
}
});
group.add(button);
buttonWrapper.add(button);
/* Create a radio button the horizontally split the split pane. */
button = new JRadioButton("Horizontally split");
button.setMnemonic('r");
button.setSelected(true);
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
splitPane.setOrientation(JSplitPane.HORIZONTAL_SPLIT);
}
});
group.add(button);
buttonWrapper.add(button);
/* Create a check box as to whether or not the split pane continually
lays out the component when dragging. */
JCheckBox checkBox = new JCheckBox("Continuous Layout");
checkBox.setMnemonic('C");
checkBox.setSelected(true);
checkBox.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
splitPane.setContinuousLayout(((JCheckBox)e.getSource()).isSelected());
}
});
buttonWrapper.add(checkBox);
wrapper.add(buttonWrapper);
/* Create a text field to change the divider size. */
Box tfWrapper;
JTextField tf;
JLabel label;
tf = new JTextField();
tf.setText(new Integer(splitPane.getDividerSize()).toString());
tf.setColumns(5);
tf.getAccessibleContext().setAccessibleName("Divider Size");
tf.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String value = ((JTextField)e.getSource()).getText();
int newSize;
try {
newSize = Integer.parseInt(value);
} catch (Exception ex) {
newSize = -1;
}
if(newSize > 0)
splitPane.setDividerSize(newSize);
else
JOptionPane.showMessageDialog(splitPane, "Invalid Divider Size", "Error", JOptionPane.ERROR_MESSAGE);
}
});
label = new JLabel("Divider Size");
tfWrapper = new Box(BoxLayout.X_AXIS);
tfWrapper.add(label);
tfWrapper.add(Box.createHorizontalStrut(10));
tfWrapper.add(tf);
label.setLabelFor(tf);
label.setDisplayedMnemonic('z");
tfWrapper.add(Box.createHorizontalStrut(Short.MAX_VALUE));
wrapper.add(tfWrapper);
/* Create a text field that will change the preferred/minimum size
of the left component. */
tf = new JTextField(String.valueOf(leftGrid.getPreferredSize().width));
tf.setColumns(5);
tf.getAccessibleContext().setAccessibleName("First Component minimum size");
tf.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String value = ((JTextField)e.getSource()).getText();
int newSize;
try {
newSize = Integer.parseInt(value);
} catch (Exception ex) {
newSize = -1;
}
if(newSize > 10)
leftGrid.setPreferredSize(newSize);
else
JOptionPane.showMessageDialog(splitPane, "Invalid Minimum Size, must be greater than 10", "Error", JOptionPane.ERROR_MESSAGE);
}
});
label = new JLabel("First Components Minimum Size");
tfWrapper = new Box(BoxLayout.X_AXIS);
tfWrapper.add(label);
tfWrapper.add(Box.createHorizontalStrut(10));
tfWrapper.add(tf);
tfWrapper.add(Box.createHorizontalStrut(Short.MAX_VALUE));
label.setLabelFor(tf);
label.setDisplayedMnemonic('i");
wrapper.add(tfWrapper);
/* Create a text field that will change the preferred/minimum size
of the right component. */
tf = new JTextField(String.valueOf(rightGrid.getPreferredSize().
width));
tf.setColumns(5);
tf.getAccessibleContext().setAccessibleName("Second Component minimum size");
tf.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String value = ((JTextField)e.getSource()).getText();
int newSize;
try {
newSize = Integer.parseInt(value);
} catch (Exception ex) {
newSize = -1;
}
if(newSize > 10)
rightGrid.setPreferredSize(newSize);
else
JOptionPane.showMessageDialog(splitPane, "Invalid Minimum Size, must be greater than 10", "Error", JOptionPane.ERROR_MESSAGE);
}
});
label = new JLabel("Second Components Minimum Size");
tfWrapper = new Box(BoxLayout.X_AXIS);
tfWrapper.add(label);
tfWrapper.add(Box.createHorizontalStrut(10));
tfWrapper.add(tf);
tfWrapper.add(Box.createHorizontalStrut(Short.MAX_VALUE));
label.setLabelFor(tf);
label.setDisplayedMnemonic('n");
wrapper.add(tfWrapper);
add(wrapper, BorderLayout.SOUTH);
| | protected void | createSplitPane()Creates the JSplitPane.
leftGrid = new GridComponent(4);
leftGrid.setPreferredSize(10);
rightGrid = new GridComponent(4);
rightGrid.setPreferredSize(10);
splitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, leftGrid,
rightGrid);
splitPane.setContinuousLayout(true);
splitPane.setPreferredSize(new Dimension(400, 100));
splitPane.getAccessibleContext().setAccessibleName("Split pane example");
add(splitPane, BorderLayout.CENTER);
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