| Methods Summary |
|---|
| public void | activateFrame(javax.swing.JInternalFrame f)This will activate f moving it to the front. It will
set the current active frame's (if any)
IS_SELECTED_PROPERTY to false.
There can be only one active frame across all Layers.
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();
|
| public void | beginDraggingFrame(javax.swing.JComponent f)
setupDragMode(f);
if (dragMode == FASTER_DRAG_MODE) {
Component desktop = f.getParent();
floatingItems = findFloatingItems(f);
currentBounds = f.getBounds();
if (desktop instanceof JComponent) {
desktopBounds = ((JComponent)desktop).getVisibleRect();
}
else {
desktopBounds = desktop.getBounds();
desktopBounds.x = desktopBounds.y = 0;
}
desktopGraphics = JComponent.safelyGetGraphics(desktop);
((JInternalFrame)f).isDragging = true;
didDrag = false;
}
|
| public void | beginResizingFrame(javax.swing.JComponent f, int direction)
setupDragMode(f);
|
| public void | closeFrame(javax.swing.JInternalFrame f)Removes the frame, and, if necessary, the
desktopIcon, from its parent.
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();
}
|
| public void | deactivateFrame(javax.swing.JInternalFrame f)
JDesktopPane d = f.getDesktopPane();
JInternalFrame currentlyActiveFrame =
(d == null) ? null : d.getSelectedFrame();
if (currentlyActiveFrame == f)
d.setSelectedFrame(null);
|
| public void | deiconifyFrame(javax.swing.JInternalFrame f)Removes the desktopIcon from its parent and adds its frame
to the parent.
JInternalFrame.JDesktopIcon desktopIcon = f.getDesktopIcon();
Container c = desktopIcon.getParent();
JDesktopPane d = f.getDesktopPane();
if (c != null && d != null) {
c.add(f);
// If the frame is to be restored to a maximized state make
// sure it still fills the whole desktop.
if (f.isMaximum()) {
Rectangle desktopBounds = c.getBounds();
if (f.getWidth() != desktopBounds.width ||
f.getHeight() != desktopBounds.height) {
setBoundsForFrame(f, 0, 0,
desktopBounds.width, desktopBounds.height);
}
}
removeIconFor(f);
if (f.isSelected()) {
f.moveToFront();
f.restoreSubcomponentFocus();
}
else {
try {
f.setSelected(true);
} catch (PropertyVetoException e2) {}
}
}
|
| public void | dragFrame(javax.swing.JComponent f, int newX, int newY)Moves the visible location of the frame being dragged
to the location specified. The means by which this occurs can vary depending
on the dragging algorithm being used. The actual logical location of the frame
might not change until endDraggingFrame is called.
if (dragMode == OUTLINE_DRAG_MODE) {
JDesktopPane desktopPane = getDesktopPane(f);
if (desktopPane != null){
Graphics g = JComponent.safelyGetGraphics(desktopPane);
g.setXORMode(Color.white);
if (currentLoc != null) {
g.drawRect(currentLoc.x, currentLoc.y,
f.getWidth()-1, f.getHeight()-1);
}
g.drawRect( newX, newY, f.getWidth()-1, f.getHeight()-1);
currentLoc = new Point (newX, newY);
g.dispose();
}
} else if (dragMode == FASTER_DRAG_MODE) {
dragFrameFaster(f, newX, newY);
} else {
setBoundsForFrame(f, newX, newY, f.getWidth(), f.getHeight());
}
|
| private void | dragFrameFaster(javax.swing.JComponent f, int newX, int newY)
Rectangle previousBounds = new Rectangle(currentBounds.x,
currentBounds.y,
currentBounds.width,
currentBounds.height);
// move the frame
currentBounds.x = newX;
currentBounds.y = newY;
if (didDrag) {
// Only initiate cleanup if we have actually done a drag.
emergencyCleanup(f);
}
else {
didDrag = true;
// We reset the danger field as until now we haven't actually
// moved the internal frame so we don't need to initiate repaint.
((JInternalFrame)f).danger = false;
}
boolean floaterCollision = isFloaterCollision(previousBounds, currentBounds);
// System.out.println(previousBounds);
JComponent parent = (JComponent)f.getParent();
Rectangle visBounds = previousBounds.intersection(desktopBounds);
// System.out.println(previousBounds);
// System.out.println(visBounds);
RepaintManager currentManager = RepaintManager.currentManager(f);
currentManager.beginPaint();
try {
if(!floaterCollision) {
currentManager.copyArea(parent, desktopGraphics, visBounds.x,
visBounds.y,
visBounds.width,
visBounds.height,
newX - previousBounds.x,
newY - previousBounds.y,
true);
}
f.setBounds(currentBounds);
if(floaterCollision) {
// since we couldn't blit we just redraw as fast as possible
// the isDragging mucking is to avoid activating emergency
// cleanup
((JInternalFrame)f).isDragging = false;
parent.paintImmediately(currentBounds);
((JInternalFrame)f).isDragging = true;
}
// fake out the repaint manager. We'll take care of everything
currentManager.markCompletelyClean(parent);
currentManager.markCompletelyClean(f);
// compute the minimal newly exposed area
// if the rects intersect then we use computeDifference. Otherwise
// we'll repaint the entire previous bounds
Rectangle[] dirtyRects = null;
if ( previousBounds.intersects(currentBounds) ) {
dirtyRects = SwingUtilities.computeDifference(previousBounds,
currentBounds);
} else {
dirtyRects = new Rectangle[1];
dirtyRects[0] = previousBounds;
// System.out.println("no intersection");
};
// Fix the damage
for (int i = 0; i < dirtyRects.length; i++) {
parent.paintImmediately(dirtyRects[i]);
}
// new areas of blit were exposed
if ( !(visBounds.equals(previousBounds)) ) {
dirtyRects = SwingUtilities.computeDifference(previousBounds,
desktopBounds);
for (int i = 0; i < dirtyRects.length; i++) {
dirtyRects[i].x += newX - previousBounds.x;
dirtyRects[i].y += newY - previousBounds.y;
((JInternalFrame)f).isDragging = false;
parent.paintImmediately(dirtyRects[i]);
((JInternalFrame)f).isDragging = true;
// System.out.println(dirtyRects[i]);
}
}
} finally {
currentManager.endPaint();
}
|
| private void | emergencyCleanup(javax.swing.JComponent f)This method is here to clean up problems associated
with a race condition which can occur when the full contents
of a copyArea's source argument is not available onscreen.
This uses brute force to clean up in case of possible damage
if ( ((JInternalFrame)f).danger ) {
SwingUtilities.invokeLater( new Runnable(){
public void run(){
((JInternalFrame)f).isDragging = false;
f.paintImmediately(0,0,
f.getWidth(),
f.getHeight());
//finalFrame.repaint();
((JInternalFrame)f).isDragging = true;
// System.out.println("repair complete");
}});
((JInternalFrame)f).danger = false;
}
|
| public void | endDraggingFrame(javax.swing.JComponent f)
if ( dragMode == OUTLINE_DRAG_MODE && currentLoc != null) {
setBoundsForFrame(f, currentLoc.x, currentLoc.y, f.getWidth(), f.getHeight() );
currentLoc = null;
} else if (dragMode == FASTER_DRAG_MODE) {
currentBounds = null;
if (desktopGraphics != null) {
desktopGraphics.dispose();
desktopGraphics = null;
}
desktopBounds = null;
((JInternalFrame)f).isDragging = false;
}
|
| public void | endResizingFrame(javax.swing.JComponent f)
if ( dragMode == OUTLINE_DRAG_MODE && currentBounds != null) {
setBoundsForFrame(f, currentBounds.x, currentBounds.y, currentBounds.width, currentBounds.height );
currentBounds = null;
}
|
| private java.awt.Rectangle[] | findFloatingItems(javax.swing.JComponent f)
Container desktop = f.getParent();
Component[] children = desktop.getComponents();
int i = 0;
for (i = 0; i < children.length; i++) {
if (children[i] == f) {
break;
}
}
// System.out.println(i);
Rectangle[] floaters = new Rectangle[i];
for (i = 0; i < floaters.length; i++) {
floaters[i] = children[i].getBounds();
}
return floaters;
|
| protected java.awt.Rectangle | getBoundsForIconOf(javax.swing.JInternalFrame f)The iconifyFrame() code calls this to determine the proper bounds
for the desktopIcon.
//
// 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);
|
| javax.swing.JDesktopPane | getDesktopPane(javax.swing.JComponent frame)
JDesktopPane pane = null;
Component c = frame.getParent();
// Find the JDesktopPane
while ( pane == null ) {
if ( c instanceof JDesktopPane ) {
pane = (JDesktopPane)c;
}
else if ( c == null ) {
break;
}
else {
c = c.getParent();
}
}
return pane;
|
| protected java.awt.Rectangle | getPreviousBounds(javax.swing.JInternalFrame f)Gets the normal bounds of the component prior to the component
being maximized.
return f.getNormalBounds();
|
| public void | iconifyFrame(javax.swing.JInternalFrame f)Removes the frame from its parent and adds its
desktopIcon to the parent.
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();
}
}
|
| private boolean | isFloaterCollision(java.awt.Rectangle moveFrom, java.awt.Rectangle moveTo)
if (floatingItems.length == 0) {
// System.out.println("no floaters");
return false;
}
for (int i = 0; i < floatingItems.length; i++) {
boolean intersectsFrom = moveFrom.intersects(floatingItems[i]);
if (intersectsFrom) {
return true;
}
boolean intersectsTo = moveTo.intersects(floatingItems[i]);
if (intersectsTo) {
return true;
}
}
return false;
|
| public void | maximizeFrame(javax.swing.JInternalFrame f)Resizes the frame to fill its parents bounds.
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) {
}
|
| public void | minimizeFrame(javax.swing.JInternalFrame f)Restores the frame back to its size and position prior
to a maximizeFrame call.
// If the frame was an icon restore it back to an icon.
if (f.isIcon()) {
iconifyFrame(f);
return;
}
if ((f.getNormalBounds()) != null) {
Rectangle r = f.getNormalBounds();
f.setNormalBounds(null);
try { f.setSelected(true); } catch (PropertyVetoException e2) { }
setBoundsForFrame(f, r.x, r.y, r.width, r.height);
}
|
| public void | openFrame(javax.swing.JInternalFrame f)Normally this method will not be called. If it is, it
try to determine the appropriate parent from the desktopIcon of the frame.
Will remove the desktopIcon from its parent if it successfully adds the frame.
if(f.getDesktopIcon().getParent() != null) {
f.getDesktopIcon().getParent().add(f);
removeIconFor(f);
}
|
| protected void | removeIconFor(javax.swing.JInternalFrame f)Convenience method to remove the desktopIcon of f is necessary.
JInternalFrame.JDesktopIcon di = f.getDesktopIcon();
Container c = di.getParent();
if(c != null) {
c.remove(di);
c.repaint(di.getX(), di.getY(), di.getWidth(), di.getHeight());
}
|
| public void | resizeFrame(javax.swing.JComponent f, int newX, int newY, int newWidth, int newHeight)Calls setBoundsForFrame with the new values.
if ( dragMode == DEFAULT_DRAG_MODE || dragMode == FASTER_DRAG_MODE ) {
setBoundsForFrame(f, newX, newY, newWidth, newHeight);
} else {
JDesktopPane desktopPane = getDesktopPane(f);
if (desktopPane != null){
Graphics g = JComponent.safelyGetGraphics(desktopPane);
g.setXORMode(Color.white);
if (currentBounds != null) {
g.drawRect( currentBounds.x, currentBounds.y, currentBounds.width-1, currentBounds.height-1);
}
g.drawRect( newX, newY, newWidth-1, newHeight-1);
currentBounds = new Rectangle (newX, newY, newWidth, newHeight);
g.setPaintMode();
g.dispose();
}
}
|
| public void | setBoundsForFrame(javax.swing.JComponent f, int newX, int newY, int newWidth, int newHeight)This moves the JComponent and repaints the damaged areas.
boolean didResize = (f.getWidth() != newWidth || f.getHeight() != newHeight);
f.setBounds(newX, newY, newWidth, newHeight);
if(didResize) {
f.validate();
}
|
| protected void | setPreviousBounds(javax.swing.JInternalFrame f, java.awt.Rectangle r)Stores the bounds of the component just before a maximize call.
f.setNormalBounds(r);
|
| protected void | setWasIcon(javax.swing.JInternalFrame f, java.lang.Boolean value)Sets that the component has been iconized and the bounds of the
desktopIcon are valid.
if (value != null) {
f.putClientProperty(HAS_BEEN_ICONIFIED_PROPERTY, value);
}
|
| private void | setupDragMode(javax.swing.JComponent f)
JDesktopPane p = getDesktopPane(f);
Container parent = f.getParent();
dragMode = DEFAULT_DRAG_MODE;
if (p != null) {
String mode = (String)p.getClientProperty("JDesktopPane.dragMode");
if (mode != null && mode.equals("outline")) {
dragMode = OUTLINE_DRAG_MODE;
} else if (mode != null && mode.equals("faster")
&& f instanceof JInternalFrame
&& ((JInternalFrame)f).isOpaque() &&
(parent == null || parent.isOpaque())) {
dragMode = FASTER_DRAG_MODE;
} else {
if (p.getDragMode() == JDesktopPane.OUTLINE_DRAG_MODE ) {
dragMode = OUTLINE_DRAG_MODE;
} else if ( p.getDragMode() == JDesktopPane.LIVE_DRAG_MODE
&& f instanceof JInternalFrame
&& ((JInternalFrame)f).isOpaque()) {
dragMode = FASTER_DRAG_MODE;
} else {
dragMode = DEFAULT_DRAG_MODE;
}
}
}
|
| protected boolean | wasIcon(javax.swing.JInternalFrame f)Returns true if the component has been iconized
and the bounds of the desktopIcon are valid,
otherwise returns false.
return (f.getClientProperty(HAS_BEEN_ICONIFIED_PROPERTY) == Boolean.TRUE);
|
