@Override
public String toString() {
final StringBuilder builder = new StringBuilder();
for (int row = 1; row <= currentRow; row += 1) {
final StringBuilder top = new StringBuilder();
final StringBuilder middle = new StringBuilder();
final StringBuilder bottom = new StringBuilder();
for (int column = 1; column <= maxColumn; column += 1) {
final GridPosition position = new GridPosition(row, column);
final TableCell cell = grid.get(position);
if (cell == null) {
top.append(" ");
middle.append(" ");
bottom.append(" ");
} else {
final GridArea gridArea = cell.getGridArea();
if (row == gridArea.startRow) {
top.append("-----");
} else {
top.append(" ");
}
if (row == gridArea.endRow) {
bottom.append("-----");
} else {
bottom.append(" ");
}
if (column == gridArea.startColumn) {
middle.append("|");
} else {
middle.append(" ");
}
middle.append(Long.toString(cell.hashCode()).substring(0, 3));
if (column == gridArea.endColumn) {
middle.append("|");
} else {
middle.append(" ");
}
}
}
builder.append(top.toString()).append("\n");
builder.append(middle.toString()).append("\n");
builder.append(bottom.toString()).append("\n");
}
return builder.toString();
}
