/// <summary>
/// Validates the value of current cell.
/// </summary>
/// <param name="currentCell">
/// The current cell that is to validated.
/// </param>
/// <param name="propertyName">
/// The propertyName.
/// </param>
/// <param name="dataModel">
/// The dataModel.
/// </param>
/// <returns>
/// <b>true</b> if the validation is successful; otherwise, <b>false</b>.
/// </returns>
internal static bool Validate(TreeGridCell currentCell, string propertyName, object dataModel)
{
bool hasError = false;
var itemproperties = currentCell.ColumnBase.TreeGridColumn.TreeGrid.View.GetItemProperties();
// WPF-25016 Using PropertyDescriptorExtensions for WPF and PropertyInfoExtensions for WinRT, the codes are cleaned up
if (propertyName.Contains('.'))
{
var propNames = propertyName.Split('.');
propertyName = propNames[propNames.Length - 1];
Array.Resize(ref propNames, propNames.Length - 1);
var pName = string.Join(".", propNames);
#if WPF
dataModel = PropertyDescriptorExtensions.GetValue(itemproperties, dataModel, pName);
#else
dataModel = PropertyInfoExtensions.GetValue(itemproperties, dataModel, pName);
#endif
}
if (dataModel == null)
{
return(hasError);
}
#if WPF
var dataValidation = dataModel as IDataErrorInfo;
if (dataValidation != null)
{
string errormessage = dataValidation[propertyName];
hasError = !String.IsNullOrEmpty(errormessage);
if (hasError)
{
currentCell.bindingErrorMessage = errormessage;
}
currentCell.ApplyValidationVisualState();
return(!hasError);
}
#endif
#if !SyncfusionFramework4_0 || UWP
hasError = !ValidateINotifyDataErrorInfo(currentCell, propertyName, dataModel);
#endif
return(!hasError);
}
internal static bool ValidateINotifyDataErrorInfo(TreeGridCell currentCell, string propertyName, object dataModel)
{
bool hasError = false;
var dataErrorValidation = dataModel as INotifyDataErrorInfo;
currentCell.bindingErrorMessage = string.Empty;
if (dataErrorValidation != null)
{
var errorList = dataErrorValidation.GetErrors(propertyName);
if (errorList != null)
{
var errorMessage = errorList.Cast <string>().FirstOrDefault();
hasError = !String.IsNullOrEmpty(errorMessage);
if (hasError)
{
currentCell.bindingErrorMessage = errorMessage;
}
}
currentCell.ApplyValidationVisualState();
}
return(!hasError);
}
