public void removeLayoutComponent(Component comp, boolean force) {
synchronized (comp.getTreeLock()) {
if (comp == free) {
// There is a bug (feature) in the SWING JLayeredPane. When a component's
// layer is set using setLayer() the component is removed from it's container
// and then re-added. Unfortunately it is re-added with null constraints. This
// would cause the free component to become a CENTER component. To get round
// this DO NOT remove a free component from the layout.
if (force) {
System.out.println("Removed free component " + comp);
free = null;
} else {
// on dragging and dropping a result into annotView this message comes
// with the JScrollBar which seems bizarre to me and bears looking into.
// For now im just commenting out the message.
// their should be a if (Debug.DEBUG) or something
// System.out.println("Attempt to removed free component " + comp);
}
} else {
// System.out.println("Removed super component " + comp);
super.removeLayoutComponent(comp);
}
}
}
public void addLayoutComponent(Component component, Object constraints) {
synchronized (component.getTreeLock()) {
if (constraints != null && ((String) constraints).equals(NONE)) {
free = component;
// System.out.println("Added free component " + component);
} else {
if (component != free) {
// System.out.println("Added super component " + component);
super.addLayoutComponent(component, constraints);
} else {
System.out.println("Tried to readd free component " + component);
}
}
}
// System.out.println("returned from addLayoutComponent");
}
public void paint(
Component c,
Graphics2D g,
java.util.List gradient,
int x,
int y,
int w,
int h,
boolean isVertical) {
int imageWidth;
int imageHeight;
if (isVertical) {
imageWidth = IMAGE_SIZE;
imageHeight = h;
} else {
imageWidth = w;
imageHeight = IMAGE_SIZE;
}
synchronized (c.getTreeLock()) {
this.w = w;
this.h = h;
paint(c, g, x, y, imageWidth, imageHeight, gradient, isVertical);
}
}