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public class JXMapContextTree extends JPanel{
private EventListenerList listeners = new EventListenerList();
.....
void fireContextAdded(MapContext mapcontext, int position){
TreeEvent kevent = new TreeEvent( this, mapcontext, position);
TreeListener[] list = getTreeListeners();
for(int i=0;i<list.length; i++){
list[i].ContextAdded( kevent );
}
}
void fireContextRemoved(MapContext mapcontext, int position){
TreeEvent event = new TreeEvent( this, mapcontext, position);
TreeListener[] list = getTreeListeners();
for(int i=0;i<list.length; i++){
list[i].ContextRemoved( event );
}
}
void fireContextActivate(MapContext mapcontext,int index){
TreeEvent event = new TreeEvent( this, mapcontext, index, index);
TreeListener[] list = getTreeListeners();
for(int i=0;i<list.length; i++){
list[i].ContextActivate( event );
}
}
void fireContextMoved(MapContext mapcontext, int fromindex, int toindex){
TreeEvent event = new TreeEvent( this, mapcontext, fromindex, toindex);
TreeListener[] list = getTreeListeners();
for(int i=0;i<list.length; i++){
list[i].ContextAdded( event );
}
}
public void addTreeListener(TreeListener ker ){
listeners.add(TreeListener.class, ker);
}
public void removeTreeListener( TreeListener ker ){
listeners.remove(TreeListener.class, ker);
}
public TreeListener[] getTreeListeners(){
return listeners.getListeners(TreeListener.class);
}
} |
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