FXMLLoadingScope.java

package projmon.guice;

import java.util.ArrayList;

import com.google.inject.Key;
import com.google.inject.Provider;
import com.google.inject.Singleton;

@Singleton
public class FXMLLoadingScope extends EnterableScope {
    
    private ArrayList<IdentifiableController> identifiables;
    
    @Override
    public void enter() {
        super.enter();
        
        identifiables = new ArrayList<IdentifiableController>();
    }

    @Override
    public void exit() {
        super.exit();
        
        identifiables = null;
    }

    @Override
    protected <T> Object provideObject(Key<T> key, Provider<T> unscoped) {
        
        Object providedObject = unscoped.get();
        
        if(providedObject instanceof IdentifiableController) {
            if(identifiables != null) {
                identifiables.add((IdentifiableController) providedObject);
            }
        }
        
        return providedObject;
    }

    public ArrayList<IdentifiableController> getControllers() {
        return identifiables;
    }
}