private void hideDropDownButton() {
for (Component component : this.getComponents()) {
if (component instanceof AbstractButton && component.isVisible()) {
component.setVisible(false);
this.revalidate();
}
}
}
public void layoutContainer(Container parent) {
Dimension size = parent.getSize();
Dimension captionSize = caption.getPreferredSize();
caption.setBounds(PADDING, PADDING, captionSize.width, captionSize.height);
// make all buttons the same size
Dimension buttonSize = cancelButton.getPreferredSize();
buttonSize.width = Math.max(buttonSize.width, prevButton.getPreferredSize().width);
buttonSize.width = Math.max(buttonSize.width, nextButton.getPreferredSize().width);
// cancel button goes on far left
cancelButton.setBounds(
PADDING, size.height - buttonSize.height - PADDING, buttonSize.width, buttonSize.height);
// prev and next buttons are on the right
prevButton.setBounds(
size.width - buttonSize.width * 2 - 6 - PADDING,
size.height - buttonSize.height - PADDING,
buttonSize.width,
buttonSize.height);
nextButton.setBounds(
size.width - buttonSize.width - PADDING,
size.height - buttonSize.height - PADDING,
buttonSize.width,
buttonSize.height);
// calculate size for current page
Rectangle currentPageBounds = new Rectangle();
currentPageBounds.x = PADDING;
currentPageBounds.y = PADDING * 2 + captionSize.height;
currentPageBounds.width = size.width - currentPageBounds.x - PADDING;
currentPageBounds.height =
size.height - buttonSize.height - currentPageBounds.y - PADDING * 2;
for (int i = 0; i < pages.length; i++) {
Component page = pages[i];
page.setBounds(currentPageBounds);
page.setVisible(i == currentPage);
}
}
/**
* Sets a specified <code>Component</code> to be the glass pane for this root pane. The glass pane
* should normally be a lightweight, transparent component, because it will be made visible when
* ever the root pane needs to grab input events.
*
* <p>The new glass pane's visibility is changed to match that of the current glass pane. An
* implication of this is that care must be taken when you want to replace the glass pane and make
* it visible. Either of the following will work:
*
* <pre>
* root.setGlassPane(newGlassPane);
* newGlassPane.setVisible(true);
* </pre>
*
* or:
*
* <pre>
* root.getGlassPane().setVisible(true);
* root.setGlassPane(newGlassPane);
* </pre>
*
* @param glass the <code>Component</code> to use as the glass pane for this <code>JRootPane
* </code>
* @exception NullPointerException if the <code>glass</code> parameter is <code>null</code>
*/
public void setGlassPane(Component glass) {
if (glass == null) {
throw new NullPointerException("glassPane cannot be set to null.");
}
AWTAccessor.getComponentAccessor().setMixingCutoutShape(glass, new Rectangle());
boolean visible = false;
if (glassPane != null && glassPane.getParent() == this) {
this.remove(glassPane);
visible = glassPane.isVisible();
}
glass.setVisible(visible);
glassPane = glass;
this.add(glassPane, 0);
if (visible) {
repaint();
}
}