/**
* Removes the frame, and, if necessary, the <code>desktopIcon</code>, from its parent.
*
* @param f the <code>JInternalFrame</code> to be removed
*/
public void closeFrame(JInternalFrame f) {
JDesktopPane d = f.getDesktopPane();
if (d == null) {
return;
}
boolean findNext = f.isSelected();
Container c = f.getParent();
JInternalFrame nextFrame = null;
if (findNext) {
nextFrame = d.getNextFrame(f);
try {
f.setSelected(false);
} catch (PropertyVetoException e2) {
}
}
if (c != null) {
c.remove(f); // Removes the focus.
c.repaint(f.getX(), f.getY(), f.getWidth(), f.getHeight());
}
removeIconFor(f);
if (f.getNormalBounds() != null) f.setNormalBounds(null);
if (wasIcon(f)) setWasIcon(f, null);
if (nextFrame != null) {
try {
nextFrame.setSelected(true);
} catch (PropertyVetoException e2) {
}
} else if (findNext && d.getComponentCount() == 0) {
// It was selected and was the last component on the desktop.
d.requestFocus();
}
}
/**
* This will activate <b>f</b> moving it to the front. It will set the current active frame's (if
* any) <code>IS_SELECTED_PROPERTY</code> to <code>false</code>. There can be only one active
* frame across all Layers.
*
* @param f the <code>JInternalFrame</code> to be activated
*/
public void activateFrame(JInternalFrame f) {
Container p = f.getParent();
Component[] c;
JDesktopPane d = f.getDesktopPane();
JInternalFrame currentlyActiveFrame = (d == null) ? null : d.getSelectedFrame();
// fix for bug: 4162443
if (p == null) {
// If the frame is not in parent, its icon maybe, check it
p = f.getDesktopIcon().getParent();
if (p == null) return;
}
// we only need to keep track of the currentActive InternalFrame, if any
if (currentlyActiveFrame == null) {
if (d != null) {
d.setSelectedFrame(f);
}
} else if (currentlyActiveFrame != f) {
// if not the same frame as the current active
// we deactivate the current
if (currentlyActiveFrame.isSelected()) {
try {
currentlyActiveFrame.setSelected(false);
} catch (PropertyVetoException e2) {
}
}
if (d != null) {
d.setSelectedFrame(f);
}
}
f.moveToFront();
}
/**
* Resizes the frame to fill its parents bounds.
*
* @param f the frame to be resized
*/
public void maximizeFrame(JInternalFrame f) {
if (f.isIcon()) {
try {
// In turn calls deiconifyFrame in the desktop manager.
// That method will handle the maximization of the frame.
f.setIcon(false);
} catch (PropertyVetoException e2) {
}
} else {
f.setNormalBounds(f.getBounds());
Rectangle desktopBounds = f.getParent().getBounds();
setBoundsForFrame(f, 0, 0, desktopBounds.width, desktopBounds.height);
}
// Set the maximized frame as selected.
try {
f.setSelected(true);
} catch (PropertyVetoException e2) {
}
}
/**
* Removes the frame from its parent and adds its <code>desktopIcon</code> to the parent.
*
* @param f the <code>JInternalFrame</code> to be iconified
*/
public void iconifyFrame(JInternalFrame f) {
JInternalFrame.JDesktopIcon desktopIcon;
Container c = f.getParent();
JDesktopPane d = f.getDesktopPane();
boolean findNext = f.isSelected();
desktopIcon = f.getDesktopIcon();
if (!wasIcon(f)) {
Rectangle r = getBoundsForIconOf(f);
desktopIcon.setBounds(r.x, r.y, r.width, r.height);
setWasIcon(f, Boolean.TRUE);
}
if (c == null || d == null) {
return;
}
if (c instanceof JLayeredPane) {
JLayeredPane lp = (JLayeredPane) c;
int layer = lp.getLayer(f);
lp.putLayer(desktopIcon, layer);
}
// If we are maximized we already have the normal bounds recorded
// don't try to re-record them, otherwise we incorrectly set the
// normal bounds to maximized state.
if (!f.isMaximum()) {
f.setNormalBounds(f.getBounds());
}
d.setComponentOrderCheckingEnabled(false);
c.remove(f);
c.add(desktopIcon);
d.setComponentOrderCheckingEnabled(true);
c.repaint(f.getX(), f.getY(), f.getWidth(), f.getHeight());
if (findNext) {
if (d.selectFrame(true) == null) {
// The icon is the last frame.
f.restoreSubcomponentFocus();
}
}
}
/** The iconifyFrame() code calls this to determine the proper bounds for the desktopIcon. */
protected Rectangle getBoundsForIconOf(JInternalFrame f) {
//
// Get the icon for this internal frame and its preferred size
//
JInternalFrame.JDesktopIcon icon = f.getDesktopIcon();
Dimension prefSize = icon.getPreferredSize();
//
// Get the parent bounds and child components.
//
Container c = f.getParent();
if (c == null) {
c = f.getDesktopIcon().getParent();
}
if (c == null) {
/* the frame has not yet been added to the parent; how about (0,0) ?*/
return new Rectangle(0, 0, prefSize.width, prefSize.height);
}
Rectangle parentBounds = c.getBounds();
Component[] components = c.getComponents();
//
// Iterate through valid default icon locations and return the
// first one that does not intersect any other icons.
//
Rectangle availableRectangle = null;
JInternalFrame.JDesktopIcon currentIcon = null;
int x = 0;
int y = parentBounds.height - prefSize.height;
int w = prefSize.width;
int h = prefSize.height;
boolean found = false;
while (!found) {
availableRectangle = new Rectangle(x, y, w, h);
found = true;
for (int i = 0; i < components.length; i++) {
//
// Get the icon for this component
//
if (components[i] instanceof JInternalFrame) {
currentIcon = ((JInternalFrame) components[i]).getDesktopIcon();
} else if (components[i] instanceof JInternalFrame.JDesktopIcon) {
currentIcon = (JInternalFrame.JDesktopIcon) components[i];
} else
/* found a child that's neither an internal frame nor
an icon. I don't believe this should happen, but at
present it does and causes a null pointer exception.
Even when that gets fixed, this code protects against
the npe. hania */
continue;
//
// If this icon intersects the current location, get next location.
//
if (!currentIcon.equals(icon)) {
if (availableRectangle.intersects(currentIcon.getBounds())) {
found = false;
break;
}
}
}
if (currentIcon == null)
/* didn't find any useful children above. This probably shouldn't
happen, but this check protects against an npe if it ever does
(and it's happening now) */
return availableRectangle;
x += currentIcon.getBounds().width;
if (x + w > parentBounds.width) {
x = 0;
y -= h;
}
}
return (availableRectangle);
}