SplitPaneDemopublic class SplitPaneDemo extends DemoModule
| Fields Summary |
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| JSplitPane | splitPane | | JLabel | earth | | JLabel | moon |
| Constructors Summary |
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public SplitPaneDemo(SwingSet2 swingset)SplitPaneDemo Constructor
super(swingset, "SplitPaneDemo", "toolbar/JSplitPane.gif");
earth = new JLabel(createImageIcon("splitpane/earth.jpg", getString("SplitPaneDemo.earth")));
earth.setMinimumSize(new Dimension(20, 20));
moon = new JLabel(createImageIcon("splitpane/moon.jpg", getString("SplitPaneDemo.moon")));
moon.setMinimumSize(new Dimension(20, 20));
splitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, earth, moon);
splitPane.setContinuousLayout(true);
splitPane.setOneTouchExpandable(true);
splitPane.setDividerLocation(200);
getDemoPanel().add(splitPane, BorderLayout.CENTER);
getDemoPanel().setBackground(Color.black);
getDemoPanel().add(createSplitPaneControls(), BorderLayout.SOUTH);
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| Methods Summary |
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| protected javax.swing.JPanel | createSplitPaneControls()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(getString("SplitPaneDemo.vert_split"));
button.setMnemonic(getMnemonic("SplitPaneDemo.vert_split"));
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(getString("SplitPaneDemo.horz_split"));
button.setMnemonic(getMnemonic("SplitPaneDemo.horz_split"));
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(getString("SplitPaneDemo.cont_layout"));
checkBox.setMnemonic(getMnemonic("SplitPaneDemo.cont_layout"));
checkBox.setSelected(true);
checkBox.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
splitPane.setContinuousLayout(
((JCheckBox)e.getSource()).isSelected());
}
});
buttonWrapper.add(checkBox);
/* Create a check box as to whether or not the split pane divider
contains the oneTouchExpandable buttons. */
checkBox = new JCheckBox(getString("SplitPaneDemo.one_touch_expandable"));
checkBox.setMnemonic(getMnemonic("SplitPaneDemo.one_touch_expandable"));
checkBox.setSelected(true);
checkBox.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
splitPane.setOneTouchExpandable(
((JCheckBox) e.getSource()).isSelected());
}
});
buttonWrapper.add(checkBox);
wrapper.add(buttonWrapper);
/* Create a text field to change the divider size. */
JPanel tfWrapper;
JTextField tf;
JLabel label;
tf = new JTextField();
tf.setText(new Integer(splitPane.getDividerSize()).toString());
tf.setColumns(5);
tf.getAccessibleContext().setAccessibleName(getString("SplitPaneDemo.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,
getString("SplitPaneDemo.invalid_divider_size"),
getString("SplitPaneDemo.error"),
JOptionPane.ERROR_MESSAGE);
}
}
});
label = new JLabel(getString("SplitPaneDemo.divider_size"));
tfWrapper = new JPanel(new FlowLayout(FlowLayout.LEFT));
tfWrapper.add(label);
tfWrapper.add(tf);
label.setLabelFor(tf);
label.setDisplayedMnemonic(getMnemonic("SplitPaneDemo.divider_size"));
wrapper.add(tfWrapper);
/* Create a text field that will change the preferred/minimum size
of the earth component. */
tf = new JTextField(String.valueOf(earth.getMinimumSize().width));
tf.setColumns(5);
tf.getAccessibleContext().setAccessibleName(getString("SplitPaneDemo.first_component_min_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) {
earth.setMinimumSize(new Dimension(newSize, newSize));
} else {
JOptionPane.showMessageDialog(splitPane,
getString("SplitPaneDemo.invalid_min_size") +
getString("SplitPaneDemo.must_be_greater_than") + 10,
getString("SplitPaneDemo.error"),
JOptionPane.ERROR_MESSAGE);
}
}
});
label = new JLabel(getString("SplitPaneDemo.first_component_min_size"));
tfWrapper = new JPanel(new FlowLayout(FlowLayout.LEFT));
tfWrapper.add(label);
tfWrapper.add(tf);
label.setLabelFor(tf);
label.setDisplayedMnemonic(getMnemonic("SplitPaneDemo.first_component_min_size"));
wrapper.add(tfWrapper);
/* Create a text field that will change the preferred/minimum size
of the moon component. */
tf = new JTextField(String.valueOf(moon.getMinimumSize().width));
tf.setColumns(5);
tf.getAccessibleContext().setAccessibleName(getString("SplitPaneDemo.second_component_min_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) {
moon.setMinimumSize(new Dimension(newSize, newSize));
} else {
JOptionPane.showMessageDialog(splitPane,
getString("SplitPaneDemo.invalid_min_size") +
getString("SplitPaneDemo.must_be_greater_than") + 10,
getString("SplitPaneDemo.error"),
JOptionPane.ERROR_MESSAGE);
}
}
});
label = new JLabel(getString("SplitPaneDemo.second_component_min_size"));
tfWrapper = new JPanel(new FlowLayout(FlowLayout.LEFT));
tfWrapper.add(label);
tfWrapper.add(tf);
label.setLabelFor(tf);
label.setDisplayedMnemonic(getMnemonic("SplitPaneDemo.second_component_min_size"));
wrapper.add(tfWrapper);
return wrapper;
| | public static void | main(java.lang.String[] args)main method allows us to run as a standalone demo.
SplitPaneDemo demo = new SplitPaneDemo(null);
demo.mainImpl();
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