/// <summary>
/// Initializes a new instance of the ColumnModel class with an array of strings
/// representing TextColumns
/// </summary>
/// <param name="columns">An array of strings that represent the Columns of
/// the ColumnModel</param>
public ColumnModel(string[] columns)
{
if (columns == null)
{
throw new ArgumentNullException("columns", "string[] cannot be null");
}
this.Init();
if (columns.Length > 0)
{
Column[] cols = new Column[columns.Length];
for (int i = 0; i < columns.Length; i++)
{
cols[i] = new TextColumn(columns[i]);
}
this.Columns.AddRange(cols);
}
}
/// <summary>
/// Returns the type of column that is appropriate for the given property of the data source.
/// Numbers, DateTime, Color and Boolean columns are mapped to NumberColumn, DateTimeColumn, ColorColumn and CheckBoxColumn respectively. The default
/// is just a TextColumn.
/// </summary>
/// <param name="prop"></param>
/// <param name="index"></param>
/// <returns></returns>
public virtual Column GetColumn(PropertyDescriptor prop, int index)
{
NumberColumn numCol = null;
Column column = null;
switch (prop.PropertyType.Name)
{
case "Int32":
numCol = new NumberColumn(prop.Name);
numCol.Maximum = Int32.MaxValue;
numCol.Minimum = Int32.MinValue;
column = numCol;
break;
case "Double":
numCol = new NumberColumn(prop.Name);
numCol.Maximum = Decimal.MaxValue;
numCol.Minimum = Decimal.MinValue;
column = numCol;
break;
case "Float":
numCol = new NumberColumn(prop.Name);
numCol.Maximum = Convert.ToDecimal(float.MaxValue);
numCol.Minimum = Convert.ToDecimal(float.MinValue);
column = numCol;
break;
case "Int16":
numCol = new NumberColumn(prop.Name);
numCol.Maximum = Int16.MaxValue;
numCol.Minimum = Int16.MinValue;
column = numCol;
break;
case "Int64":
numCol = new NumberColumn(prop.Name);
numCol.Maximum = Int64.MaxValue;
numCol.Minimum = Int64.MinValue;
column = numCol;
break;
case "Decimal":
numCol = new NumberColumn(prop.Name);
numCol.Maximum = Decimal.MaxValue;
numCol.Minimum = Decimal.MinValue;
column = numCol;
break;
case "DateTime":
column = new DateTimeColumn(prop.Name);
break;
case "Color":
column = new ColorColumn(prop.Name);
break;
case "Boolean":
column = new CheckBoxColumn(prop.Name);
break;
default:
column = new TextColumn(prop.Name);
break;
}
return(column);
}
