public void actionPerformed(ActionEvent arg0) {
				getValues();
				int i = 0;
				boolean allZero = true;
				while (i < truthTable.length && allZero) {
					if (truthTable[i])
						allZero = false;
					i++;
				}
				if (!allZero)
					controller.solveFromTruthTable(truthTable, getNbrVar(),
							getVarOrder());
				dispose();
			}