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public class DynamicTable<T>
{
List<List<T>> array;
public DynamicTable()
{
array = new List<List<T>>();
}
public int Rows
{
get
{
return array.Count;
}
set
{
while (array.Count > value)
{
array.RemoveAt(value);
}
while (array.Count < value)
{
array.Add(new List<T>());
}
}
}
private int columns = 0;
public int Columns
{
get
{
return columns;
}
set
{
columns = value;
}
}
public T this[int i, int j]
{
get
{
if (i < Rows && j < Columns)
{
List<T> row = array[i];
if (j < row.Count)
return row[j];
else
return default(T);
}
else
throw new IndexOutOfRangeException();
}
set
{
if (i < Rows && j < Columns)
{
List<T> row = array[i];
while (j >= row.Count)
row.Add(default(T));
row[j] = value;
}
else
throw new IndexOutOfRangeException();
}
}
public override string ToString()
{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < Rows; i++)
{
if (i > 0)
sb.AppendLine();
for (int j = 0; j < Columns; j++)
{
if (j > 0)
sb.Append("\t");
sb.Append(this[i, j]);
}
}
return sb.ToString();
}
} |
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