/** Lays out the container in the specified panel. */
public void layoutContainer(Container target) {
synchronized (target.getTreeLock()) {
Insets insets = target.getInsets();
Dimension dim = target.getSize();
int fullHeight = dim.height;
int bottom = dim.height - insets.bottom - 1;
int top = 0 + insets.top;
int left = insets.left;
int maxPosition = dim.width - (insets.left + insets.right) - hgap;
int right = dim.width - insets.right;
maxPosition = right;
int height = bottom - top;
int size = actions.size();
int w, h;
if ((grip != null) && grip.isVisible()) {
Dimension d = grip.getPreferredSize();
grip.setBounds(left, top + vgap, d.width, bottom - top - 2 * vgap);
left += d.width;
left += hgap;
}
for (int i = 0; i < size; i++) {
left += hgap;
Component comp = (Component) actions.elementAt(i);
Dimension d;
Dimension minSize = comp.getMinimumSize();
if (i == size - 1) d = comp.getMaximumSize();
else d = comp.getPreferredSize();
w = d.width;
h = Math.min(height, d.height);
if ((left < maxPosition) && (left + w > maxPosition)) {
if (maxPosition - left >= minSize.width) w = maxPosition - left;
}
comp.setBounds(left, (fullHeight - d.height) / 2, w, h);
// if (i == size - 1)
// d = comp.getMaximumSize();
// else
// d = comp.getPreferredSize();
// if ((left + d.width) > right)
// w = right - left;
// else
// w = d.width;
// h = Math.min (height, d.height);
// comp.setBounds (left, (fullHeight - d.height)/2, w, h);
left += d.width;
}
}
}
/**
* Creates the appropriate object to represent each of the objects in <code>buttons</code> and
* adds it to <code>container</code>. This differs from addMessageComponents in that it will
* recurse on <code>buttons</code> and that if button is not a Component it will create an
* instance of JButton.
*/
protected void addButtonComponents(Container container, Object[] buttons, int initialIndex) {
if (buttons != null && buttons.length > 0) {
boolean sizeButtonsToSame = getSizeButtonsToSameWidth();
boolean createdAll = true;
int numButtons = buttons.length;
JButton[] createdButtons = null;
int maxWidth = 0;
if (sizeButtonsToSame) {
createdButtons = new JButton[numButtons];
}
for (int counter = 0; counter < numButtons; counter++) {
Object button = buttons[counter];
Component newComponent;
if (button instanceof Component) {
createdAll = false;
newComponent = (Component) button;
container.add(newComponent);
hasCustomComponents = true;
} else {
JButton aButton;
if (button instanceof ButtonFactory) {
aButton = ((ButtonFactory) button).createButton();
} else if (button instanceof Icon) aButton = new JButton((Icon) button);
else aButton = new JButton(button.toString());
aButton.setName("OptionPane.button");
aButton.setMultiClickThreshhold(
DefaultLookup.getInt(optionPane, this, "OptionPane.buttonClickThreshhold", 0));
configureButton(aButton);
container.add(aButton);
ActionListener buttonListener = createButtonActionListener(counter);
if (buttonListener != null) {
aButton.addActionListener(buttonListener);
}
newComponent = aButton;
}
if (sizeButtonsToSame && createdAll && (newComponent instanceof JButton)) {
createdButtons[counter] = (JButton) newComponent;
maxWidth = Math.max(maxWidth, newComponent.getMinimumSize().width);
}
if (counter == initialIndex) {
initialFocusComponent = newComponent;
if (initialFocusComponent instanceof JButton) {
JButton defaultB = (JButton) initialFocusComponent;
defaultB.addHierarchyListener(
new HierarchyListener() {
public void hierarchyChanged(HierarchyEvent e) {
if ((e.getChangeFlags() & HierarchyEvent.PARENT_CHANGED) != 0) {
JButton defaultButton = (JButton) e.getComponent();
JRootPane root = SwingUtilities.getRootPane(defaultButton);
if (root != null) {
root.setDefaultButton(defaultButton);
}
}
}
});
}
}
}
((ButtonAreaLayout) container.getLayout())
.setSyncAllWidths((sizeButtonsToSame && createdAll));
/* Set the padding, windows seems to use 8 if <= 2 components,
otherwise 4 is used. It may actually just be the size of the
buttons is always the same, not sure. */
if (DefaultLookup.getBoolean(optionPane, this, "OptionPane.setButtonMargin", true)
&& sizeButtonsToSame
&& createdAll) {
JButton aButton;
int padSize;
padSize = (numButtons <= 2 ? 8 : 4);
for (int counter = 0; counter < numButtons; counter++) {
aButton = createdButtons[counter];
aButton.setMargin(new Insets(2, padSize, 2, padSize));
}
}
}
}
