//Return true if value in list.
//Throws ArgumentException if value cant be converted to list type.
public bool InList(string value)
{
if (_ranges == null || RangeListType == FieldDataType.UNKNOWN)
{
throw new InvalidOperationException("RangeList hasn't been initialized.");
}
if (FieldTypeUtil.CheckType(value, RangeListType) == false)
{
throw new ArgumentException(string.Format("Value can't be converted to type {0}.", RangeListType));
}
bool found = false;
foreach (Range r in _ranges)
{
if (r.InRange(value) == true)
{
found = true;
break;
}
}
return(found);
}
//Perform a type specific check
//Return true if value is in range
public bool InRange(string value)
{
if (FieldTypeUtil.Compare(value, MinVal, _list.RangeListType) >= 0 && FieldTypeUtil.Compare(value, MaxVal, _list.RangeListType) <= 0)
{
return(true);
}
else
{
return(false);
}
}
/*
* Verify that any user supplied value in dataEntryFields matches its
* specified fielddatatype. All fields must specify a fieldDataType.
*
* Only validate if user supplies a value.
*
* Put any errors in notifications.
*
* Return FALSE if any validation errors occur.
*
*/
protected bool ValidateFieldType2(DataFieldControl dfc, ArrayList notifications)
{
if (dfc.FieldTextBoxText.Trim() != string.Empty &&
FieldTypeUtil.CheckType(dfc.FieldTextBoxText.Trim(), dfc.FieldDataType) == false)
{
dfc.AddError(string.Format("{0} is not a valid {1} value.", Shorten(dfc.FieldLabelText), dfc.FieldDataType));
notifications.Add(string.Format("{0} is not a valid {1} value.", Shorten(dfc.FieldLabelText), dfc.FieldDataType));
return(false);
}
else
{
return(true);
}
}
/*
* Given a string that's an item in the list
* first check to see if its an single item x
* or a range x thru y.
*
* Throw an ArgumentException if items can't
* be converted to itemType
*/
public Range(string item, RangeList list)
{
_list = list;
string[] sArr = item.Trim().Split(new string[] { "thru" }, StringSplitOptions.RemoveEmptyEntries);
if (sArr.Length == 1)
{
//single item. Check that it can be converted to list type and set min/max val
if (FieldTypeUtil.CheckType(sArr[0].Trim(), list.RangeListType) == false)
{
throw new ArgumentException(string.Format("Item not valid. Can't convert {0} to {1}", sArr[0], list.RangeListType));
}
else
{
MinVal = sArr[0];
MaxVal = sArr[0];
}
}
else if (sArr.Length == 2)
{
//range
if (FieldTypeUtil.CheckType(sArr[0].Trim(), list.RangeListType) == false)
{
throw new ArgumentException(string.Format("Item not valid. Can't convert {0} to {1}", sArr[0], list.RangeListType));
}
else if (FieldTypeUtil.CheckType(sArr[1].Trim(), list.RangeListType) == false)
{
throw new ArgumentException(string.Format("Item not valid. Can't convert {0} to {1}", sArr[1], list.RangeListType));
}
else if (FieldTypeUtil.Compare(sArr[0], sArr[1], list.RangeListType) > 0)
{
throw new ArgumentException("Item not valid. In a range x thru y, x must be less than or equal to y.");
}
else
{
MinVal = sArr[0];
MaxVal = sArr[1];
}
}
else
{
//must have 1 or 2 items
throw new ArgumentException("Item not valid.");
}
}
//Do a type specific comparison:
//Return 0 if equal -1 if val1 < val2 1 if val1 > val2
//Throws an ArgumentException if val1 or val2 can't be converted
//to FieldDataType fdt
public static int Compare(string val1, string val2, FieldDataType fdt)
{
//check types
if (FieldTypeUtil.CheckType(val1, fdt) == false || FieldTypeUtil.CheckType(val2, fdt) == false)
{
throw new ArgumentException(string.Format("Values must be convertable to type {0}.", fdt));
}
int result = 0;
switch (fdt)
{
case FieldDataType.DATE:
DateTime dtVal1 = DateTime.Parse(val1);
DateTime dtVal2 = DateTime.Parse(val2);
result = dtVal1.CompareTo(dtVal2);
break;
case FieldDataType.FLOAT:
float fVal1 = float.Parse(val1);
float fVal2 = float.Parse(val2);
result = fVal1.CompareTo(fVal2);
break;
case FieldDataType.INT:
int iVal1 = int.Parse(val1);
int iVal2 = int.Parse(val2);
result = iVal1.CompareTo(iVal2);
break;
case FieldDataType.TEXT:
result = val1.CompareTo(val2);
break;
default:
throw new Exception("FieldDataType invalid.");
}
return(result);
}
