/**
* Returns the minimum amount of space the layout needs.
*
* @param the Container for which this layout manager is being used
* @return a Dimension object containing the layout's minimum size
*/
public Dimension minimumLayoutSize(Container parent) {
Dimension cpd;
int cpWidth = 0;
int cpHeight = 0;
int mbWidth = 0;
int mbHeight = 0;
int tpWidth = 0;
Insets i = parent.getInsets();
JRootPane root = (JRootPane) parent;
if (root.getContentPane() != null) {
cpd = root.getContentPane().getMinimumSize();
} else {
cpd = root.getSize();
}
if (cpd != null) {
cpWidth = cpd.width;
cpHeight = cpd.height;
}
return new Dimension(
Math.max(Math.max(cpWidth, mbWidth), tpWidth) + i.left + i.right,
cpHeight + mbHeight + tpWidth + i.top + i.bottom);
}
/**
* 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, tpd;
int cpWidth = 0;
int cpHeight = 0;
int mbWidth = 0;
int mbHeight = 0;
int tpWidth = 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.getWindowDecorationStyle() != JRootPane.NONE
&& (root.getUI() instanceof RootPaneUI)) {
JComponent titlePane = ((RootPaneUI) root.getUI()).getTitlePane();
if (titlePane != null) {
tpd = titlePane.getPreferredSize();
if (tpd != null) {
tpWidth = tpd.width;
}
}
}
return new Dimension(
Math.max(Math.max(cpWidth, mbWidth), tpWidth) + i.left + i.right,
cpHeight + mbHeight + tpWidth + i.top + i.bottom);
}