@Override
	public void coller() {
		String contenu = this.pressePapier.getContenu();
		int taille = contenu.length();
		this.buffer.effacer(this.selection.getDebut(), this.selection.getFin());
		this.selection.setFin(this.selection.getDebut());
		this.buffer.inserer(contenu, this.selection.getDebut());
		this.selection.setDebut(this.selection.getDebut()+taille);
		this.selection.setFin(this.selection.getDebut());
		this.setChanged();
		this.notifyObservers(this.buffer.getContenu());
		this.setChanged();
		this.notifyObservers(this.selection.getDebut());
	}