/**
* Returns the maximum amount of space the layout can use.
*
* @param the Container for which this layout manager is being used
* @return a Dimension object containing the layout's maximum size
*/
public Dimension maximumLayoutSize(Container target) {
Dimension cpd, mbd, tpd;
int cpWidth = Integer.MAX_VALUE;
int cpHeight = Integer.MAX_VALUE;
int mbWidth = Integer.MAX_VALUE;
int mbHeight = Integer.MAX_VALUE;
int tpWidth = Integer.MAX_VALUE;
int tpHeight = Integer.MAX_VALUE;
Insets i = target.getInsets();
JRootPane root = (JRootPane) target;
if (root.getContentPane() != null) {
cpd = root.getContentPane().getMaximumSize();
if (cpd != null) {
cpWidth = cpd.width;
cpHeight = cpd.height;
}
}
if (root.getMenuBar() != null) {
mbd = root.getMenuBar().getMaximumSize();
if (mbd != null) {
mbWidth = mbd.width;
mbHeight = mbd.height;
}
}
if (root.getWindowDecorationStyle() != JRootPane.NONE
&& (root.getUI() instanceof HokageRootPaneUI)) {
JComponent titlePane = ((HokageRootPaneUI) root.getUI()).getTitlePane();
if (titlePane != null) {
tpd = titlePane.getMaximumSize();
if (tpd != null) {
tpWidth = tpd.width;
tpHeight = tpd.height;
}
}
}
int maxHeight = Math.max(Math.max(cpHeight, mbHeight), tpHeight);
// Only overflows if 3 real non-MAX_VALUE heights, sum to > MAX_VALUE
// Only will happen if sums to more than 2 billion units. Not likely.
if (maxHeight != Integer.MAX_VALUE) {
maxHeight = cpHeight + mbHeight + tpHeight + i.top + i.bottom;
}
int maxWidth = Math.max(Math.max(cpWidth, mbWidth), tpWidth);
// Similar overflow comment as above
if (maxWidth != Integer.MAX_VALUE) {
maxWidth += i.left + i.right;
}
return new Dimension(maxWidth, maxHeight);
}
/**
* Returns the amount of space the layout would like to have.
*
* @param the Container for which this layout manager is being used
* @return a Dimension object containing the layout's preferred size
*/
public Dimension preferredLayoutSize(Container parent) {
Dimension cpd, mbd, tpd;
int cpWidth = 0;
int cpHeight = 0;
int mbWidth = 0;
int mbHeight = 0;
int tpWidth = 0;
int tpHeight = 0;
Insets i = parent.getInsets();
JRootPane root = (JRootPane) parent;
if (root.getContentPane() != null) {
cpd = root.getContentPane().getPreferredSize();
} else {
cpd = root.getSize();
}
if (cpd != null) {
cpWidth = cpd.width;
cpHeight = cpd.height;
}
if (root.getMenuBar() != null) {
mbd = root.getMenuBar().getPreferredSize();
if (mbd != null) {
mbWidth = mbd.width;
mbHeight = mbd.height;
}
}
if (root.getWindowDecorationStyle() != JRootPane.NONE
&& (root.getUI() instanceof HokageRootPaneUI)) {
JComponent titlePane = ((HokageRootPaneUI) root.getUI()).getTitlePane();
if (titlePane != null) {
tpd = titlePane.getPreferredSize();
if (tpd != null) {
tpWidth = tpd.width;
tpHeight = tpd.height;
}
}
}
return new Dimension(
Math.max(Math.max(cpWidth, mbWidth), tpWidth) + i.left + i.right,
cpHeight + mbHeight + tpWidth + i.top + i.bottom);
}
/**
* Instructs the layout manager to perform the layout for the specified container.
*
* @param the Container for which this layout manager is being used
*/
public void layoutContainer(Container parent) {
JRootPane root = (JRootPane) parent;
Rectangle b = root.getBounds();
Insets i = root.getInsets();
int nextY = 0;
int w = b.width - i.right - i.left;
int h = b.height - i.top - i.bottom;
if (root.getLayeredPane() != null) {
root.getLayeredPane().setBounds(i.left, i.top, w, h);
}
if (root.getGlassPane() != null) {
root.getGlassPane().setBounds(i.left, i.top, w, h);
}
// Note: This is laying out the children in the layeredPane,
// technically, these are not our children.
if (root.getWindowDecorationStyle() != JRootPane.NONE
&& (root.getUI() instanceof HokageRootPaneUI)) {
JComponent titlePane = ((HokageRootPaneUI) root.getUI()).getTitlePane();
if (titlePane != null) {
Dimension tpd = titlePane.getPreferredSize();
if (tpd != null) {
int tpHeight = tpd.height;
titlePane.setBounds(0, 0, w, tpHeight);
nextY += tpHeight;
}
}
}
if (root.getMenuBar() != null) {
Dimension mbd = root.getMenuBar().getPreferredSize();
root.getMenuBar().setBounds(0, nextY, w, mbd.height);
nextY += mbd.height;
}
if (root.getContentPane() != null) {
Dimension cpd = root.getContentPane().getPreferredSize();
root.getContentPane().setBounds(0, nextY, w, h < nextY ? 0 : h - nextY);
}
}