public void mousePressed(MouseEvent me){

    		if (me.getButton() == MouseEvent.BUTTON1) {		
	            if (typeAction.equals(Constantes.ADD_ENT)) {
	                DictionnaireTable data = mcdComponent.getData();          
	                data.addObserver(mcdComponent.addEntite(me.getX(), me.getY()));
	                
	            } else if (typeAction.equals(Constantes.ADD_ASS)) {
	                DictionnaireTable data = mcdComponent.getData();
	                data.addObserver(mcdComponent.addAssociation(me.getX(), me.getY()));
	            } 
    		}
    		else{
    			/* on repasse en mode curseur*/
            	typeAction = Constantes.CHANGE_CURSEUR;
                deselectToolbarButton(btnCurseur);
    		}
    	}