/**
* Uninstalls the sheet on the owner. This method is invoked immediately after the JSheet is
* hidden.
*/
protected void uninstallSheet() {
if (isInstalled) {
Window owner = getOwner();
if (owner != null) {
if (isExperimentalSheet()) {
owner.removeWindowListener(windowEventHandler);
} else {
// Note: We mustn't change the windows focusable state
// because
// this also affects the focusable state of the JSheet.
// owner.setFocusableWindowState(true);
owner.setEnabled(true);
// ((JFrame) owner).setResizable(true);
owner.removeComponentListener(ownerMovementHandler);
if (shiftBackLocation != null) {
owner.setLocation(shiftBackLocation);
}
if (oldFocusOwner != null) {
owner.toFront();
oldFocusOwner.requestFocus();
}
}
}
isInstalled = false;
}
}
/** Installs the sheet on the owner. This method is invoked just before the JSheet is shown. */
protected void installSheet() {
if (!isNativeSheetSupported() && !isInstalled && isExperimentalSheet()) {
Window owner = getOwner();
if (owner != null) {
owner.addWindowListener(windowEventHandler);
}
isInstalled = true;
} else {
Window owner = getOwner();
if (owner != null) {
// Determine the location for the sheet and its owner while
// the sheet will be visible.
// In case we have to shift the owner to fully display the
// dialog, we remember the shift back position.
Point ownerLoc = owner.getLocation();
Point sheetLoc;
if (isShowAsSheet()) {
if (owner instanceof JFrame) {
sheetLoc =
new Point(
ownerLoc.x + (owner.getWidth() - getWidth()) / 2,
ownerLoc.y
+ owner.getInsets().top
+ ((JFrame) owner).getRootPane().getContentPane().getY());
} else if (owner instanceof JDialog) {
sheetLoc =
new Point(
ownerLoc.x + (owner.getWidth() - getWidth()) / 2,
ownerLoc.y
+ owner.getInsets().top
+ ((JDialog) owner).getRootPane().getContentPane().getY());
} else {
sheetLoc =
new Point(
ownerLoc.x + (owner.getWidth() - getWidth()) / 2,
ownerLoc.y + owner.getInsets().top);
}
if (sheetLoc.x < 0) {
owner.setLocation(ownerLoc.x - sheetLoc.x, ownerLoc.y);
sheetLoc.x = 0;
shiftBackLocation = ownerLoc;
oldLocation = owner.getLocation();
} else {
shiftBackLocation = null;
oldLocation = ownerLoc;
}
} else {
sheetLoc =
new Point(
ownerLoc.x + (owner.getWidth() - getWidth()) / 2,
ownerLoc.y + (owner.getHeight() - getHeight()) / 2);
}
setLocation(sheetLoc);
oldFocusOwner = owner.getFocusOwner();
// Note: We mustn't change the windows focusable state because
// this also affects the focusable state of the JSheet.
// owner.setFocusableWindowState(false);
owner.setEnabled(false);
// ((JFrame) owner).setResizable(false);
if (isShowAsSheet()) {
owner.addComponentListener(ownerMovementHandler);
} else {
if (owner instanceof Frame) {
setTitle(((Frame) owner).getTitle());
}
}
}
isInstalled = true;
}
}