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);
}
}
}
/** Adds the specified component with the specified name to the layout. */
public void addLayoutComponent(String name, Component comp) {
synchronized (comp.getTreeLock()) {
if ("Grip".equals(name)) { // NOI18N
grip = comp;
} else if ("Action".equals(name)) { // NOI18N
actions.addElement(comp);
} else
throw new IllegalArgumentException(
"cannot add to layout: unknown constraint: " + name); // NOI18N
}
}
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");
}
/** Removes the specified component from the layout. */
public void removeLayoutComponent(Component comp) {
synchronized (comp.getTreeLock()) {
if (grip == comp) grip = null;
else actions.removeElement(comp);
}
}
