private void setState(JDesktopPane dp, String state) {
if (state == CLOSE) {
JInternalFrame f = dp.getSelectedFrame();
if (f == null) {
return;
}
f.doDefaultCloseAction();
} else if (state == MAXIMIZE) {
// maximize the selected frame
JInternalFrame f = dp.getSelectedFrame();
if (f == null) {
return;
}
if (!f.isMaximum()) {
if (f.isIcon()) {
try {
f.setIcon(false);
f.setMaximum(true);
} catch (PropertyVetoException pve) {
}
} else {
try {
f.setMaximum(true);
} catch (PropertyVetoException pve) {
}
}
}
} else if (state == MINIMIZE) {
// minimize the selected frame
JInternalFrame f = dp.getSelectedFrame();
if (f == null) {
return;
}
if (!f.isIcon()) {
try {
f.setIcon(true);
} catch (PropertyVetoException pve) {
}
}
} else if (state == RESTORE) {
// restore the selected minimized or maximized frame
JInternalFrame f = dp.getSelectedFrame();
if (f == null) {
return;
}
try {
if (f.isIcon()) {
f.setIcon(false);
} else if (f.isMaximum()) {
f.setMaximum(false);
}
f.setSelected(true);
} catch (PropertyVetoException pve) {
}
}
}
public void activateFrame(JInternalFrame f) {
JInternalFrame currentFrame = currentFrameRef != null ? currentFrameRef.get() : null;
try {
super.activateFrame(f);
if (currentFrame != null && f != currentFrame) {
// If the current frame is maximized, transfer that
// attribute to the frame being activated.
if (currentFrame.isMaximum()
&& (f.getClientProperty("JInternalFrame.frameType") != "optionDialog")) {
// Special case. If key binding was used to select next
// frame instead of minimizing the icon via the minimize
// icon.
if (!currentFrame.isIcon()) {
currentFrame.setMaximum(false);
if (f.isMaximizable()) {
if (!f.isMaximum()) {
f.setMaximum(true);
} else if (f.isMaximum() && f.isIcon()) {
f.setIcon(false);
} else {
f.setMaximum(false);
}
}
}
}
if (currentFrame.isSelected()) {
currentFrame.setSelected(false);
}
}
if (!f.isSelected()) {
f.setSelected(true);
}
} catch (PropertyVetoException e) {
}
if (f != currentFrame) {
currentFrameRef = new WeakReference(f);
}
}
@RunsInEDT
private static boolean isIcon(final JInternalFrame internalFrame) {
return execute(() -> internalFrame.isIcon() && !internalFrame.isMaximum());
}