/// <summary>
/// Checks the value against the Minimum and Maximum categories
/// </summary>
/// <returns>If the entry is valid or not.</returns>
public override bool IsValid()
{
bool MinMet = true;
bool MaxMet = true;
if (MinimumRelationships > -1)
{
if (ValidationHelper.GetString(frmFormControl.Value, "").Trim().Split(SeparatorCharacter.ToCharArray(), StringSplitOptions.RemoveEmptyEntries).Length < MinimumRelationships)
{
MinMet = false;
}
}
if (MaximumRelationships > -1)
{
if (ValidationHelper.GetString(frmFormControl.Value, "").Trim().Split(SeparatorCharacter.ToCharArray(), StringSplitOptions.RemoveEmptyEntries).Length > MaximumRelationships)
{
MaxMet = false;
}
}
if (!MinMet || !MaxMet)
{
ValidationError = string.Format("{0} {1} {2}",
(!MinMet ? "Minimum " + MinimumRelationships + " selections allowed" : ""),
(!MinMet && !MaxMet ? " and " : ""),
(!MaxMet ? "Maximum " + MaximumRelationships + " selections allowed" : ""));
}
return(MinMet && MaxMet);
}
private List <string> GetSelectedObjects()
{
string ObjectRefIDs = ValidationHelper.GetString(frmFormControl.Value, "");
List <string> SelectedObjects = ObjectRefIDs.Split(SeparatorCharacter.ToCharArray(), StringSplitOptions.RemoveEmptyEntries).ToList();
if (!string.IsNullOrWhiteSpace(RelatedObjectRestrainingWhere))
{
List <string> AllPossibleObjects = GetPossibleObjects();
SelectedObjects.RemoveAll(x => !AllPossibleObjects.Contains(x));
}
return(SelectedObjects);
}
/// <summary>
/// Gets the header attributes for the given <paramref name="headerName"/>
/// using the information from the given <paramref name="attribute"/>.
/// This adds the header to the list of container headers if-and-only-if the
/// header is a container header.
/// </summary>
/// <param name="headerName">the header name</param>
/// <param name="attribute">the attribute for the given header name</param>
/// <param name="allContainerHeaders">the list of all container headers</param>
/// <returns>the header attributes</returns>
private static HeaderAttributes GetHeaderAttributes(Mpeg4HeaderName headerName, Mpeg4Attribute attribute, ICollection <Mpeg4HeaderName> allContainerHeaders)
{
// Retrieve list of header start codes
List <uint> headerStartCodes = new List <uint>();
if (attribute.HeaderStartCode != null)
{
const string SeparatorCharacter = "-";
if (attribute.HeaderStartCode.Contains(SeparatorCharacter))
{
Debug.Assert(attribute.HeaderStartCode.Length == 5); // Example: "40-5F"
string[] startCodes = attribute.HeaderStartCode.Split(SeparatorCharacter.ToCharArray());
uint firstStartCode = uint.Parse(startCodes[0], System.Globalization.NumberStyles.HexNumber, CultureInfo.InvariantCulture);
uint lastStartCode = uint.Parse(startCodes[1], System.Globalization.NumberStyles.HexNumber, CultureInfo.InvariantCulture);
Debug.Assert(firstStartCode < lastStartCode);
for (uint startCode = firstStartCode; startCode <= lastStartCode; startCode++)
{
headerStartCodes.Add(0x100 + startCode);
}
}
else
{
headerStartCodes.Add(0x100 + uint.Parse(attribute.HeaderStartCode, System.Globalization.NumberStyles.HexNumber, CultureInfo.InvariantCulture));
}
}
// Retrieve suitable parents, all container headers if empty list
ICollection <Mpeg4HeaderName> suitableParents = attribute.SuitableParents;
if (suitableParents.Count == 0)
{
suitableParents = allContainerHeaders;
}
// Update list of all container headers
if ((attribute.HeaderFlags & HeaderFlags.MasterHeader) == HeaderFlags.MasterHeader)
{
allContainerHeaders.Add(headerName);
}
return(new HeaderAttributes(headerStartCodes.AsReadOnly(), attribute.HeaderFlags, suitableParents));
}
/// <summary>
/// Takes the existing value and sets the Category Tree
/// </summary>
protected void InitializeControl()
{
// Get initial values from Join Table and set the control's value
if (!IsPostBack)
{
// Setup Form Control
//InitializeFormControl();
frmFormControl.Value = string.Join(SeparatorCharacter, GetCurrentObjects()).Trim(SeparatorCharacter.ToCharArray());
}
/*else if ()
* {
* // Set from Text value
* string initialCategories = txtValue.Text;
* var CurrentObjectsOfDoc = BaseInfoProvider.GetCategories("CategoryID in ('" + string.Join("','", SplitAndSecure(initialCategories)) + "')", null, -1, null, SiteContext.CurrentSiteID);
* if (CurrentObjectsOfDoc != null)
* {
* CurrentObjects.AddRange(CurrentObjectsOfDoc);
* }
* }*/
}