/** returns false if the docking action is rejected, or true if accepted by all listeners*/
boolean fireAcceptDockingAction(DockingActionEvent e){
/*package protected */
for (int i = 0; i < dockingActionListeners.size(); i++) {
DockingActionListener listener = dockingActionListeners.get(i);
if (!listener.acceptDockingAction(e)){
return false;
}
}
return true;
}