78 lines
2.2 KiB
Java
78 lines
2.2 KiB
Java
/*
|
|
Reversound is used to get the music sheet of a piece from a music file.
|
|
Copyright (C) 2014 Gabriel AUGENDRE
|
|
Copyright (C) 2014 Gabriel DIENY
|
|
Copyright (C) 2014 Arthur GAUCHER
|
|
Copyright (C) 2014 Gabriel LEPETIT-AIMON
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
package gui.viewer_state;
|
|
|
|
import conteneurs.ObservableObject;
|
|
import conteneurs.ObservableObjectEvent;
|
|
|
|
/**
|
|
* Created by gaby on 07/05/14.
|
|
*
|
|
* Classe controlleur s'interposant entre les objets observables et leur visualisateur,
|
|
* il gère les mises à jour différée dans le temps
|
|
*/
|
|
public class ObservableViewerState extends ViewerState implements ObservableObject.Listener {
|
|
ObservableObject observableObject;
|
|
|
|
public ObservableViewerState(Viewer viewer, ObservableObject observableObject) {
|
|
super(viewer);
|
|
setObservableObject(observableObject);
|
|
init();
|
|
}
|
|
|
|
public ObservableViewerState(Viewer viewer){
|
|
this(viewer, null);
|
|
}
|
|
|
|
@Override
|
|
public void observableOjectEvent(ObservableObjectEvent e) {
|
|
setState(State.UPDATE_NEEDED, slowingFactorOnDataChange());
|
|
}
|
|
|
|
@Override
|
|
protected boolean canDraw() {
|
|
return observableObject!=null;
|
|
}
|
|
|
|
public void setObservableObject(ObservableObject observableObject){
|
|
if(this.observableObject!=null)
|
|
this.observableObject.removeListener(this);
|
|
|
|
this.observableObject = observableObject;
|
|
if(this.observableObject!=null)
|
|
this.observableObject.addListener(this);
|
|
|
|
invalidate();
|
|
}
|
|
|
|
public ObservableObject getObservableObject() {
|
|
return observableObject;
|
|
}
|
|
|
|
@Override
|
|
protected void visibilityChanged() {
|
|
if(isVisible()){
|
|
observableObject.addListener(this);
|
|
}else
|
|
observableObject.removeListener(this);
|
|
}
|
|
}
|