/// <summary>
/// Gets field data from field path.
/// </summary>
public static ViewFieldData FromViewFieldPath(View sourceView, string viewFieldPath)
{
if (String.IsNullOrEmpty(viewFieldPath) || sourceView == null)
{
return(null);
}
ViewFieldData fieldData = new ViewFieldData();
fieldData.TargetView = sourceView;
fieldData.SourceView = sourceView;
var viewTypeData = sourceView.ViewTypeData;
var viewFieldPathInfo = viewTypeData.GetViewFieldPathInfo(viewFieldPath);
if (viewFieldPathInfo != null)
{
fieldData.ViewFieldPathInfo = viewFieldPathInfo;
return(fieldData);
}
else
{
fieldData.ViewFieldPathInfo = new ViewFieldPathInfo();
fieldData.ViewFieldPathInfo.ViewFieldTypeName = sourceView.ViewTypeName;
fieldData.ViewFieldPathInfo.ViewFieldPath = viewFieldPath;
fieldData.ViewFieldPathInfo.TargetViewFieldPath = viewFieldPath;
}
Type viewType = typeof(View);
var viewFields = viewFieldPath.Split('.');
// do we have a view field path consisting of multiple view fields?
if (viewFields.Length > 1)
{
// yes. get first view field
var firstViewField = viewFields[0];
// is this a field that refers to another view?
var fieldInfo = sourceView.GetType().GetField(firstViewField);
if (fieldInfo != null && viewType.IsAssignableFrom(fieldInfo.FieldType))
{
// yes. set target view and return
fieldData.ViewFieldPathInfo.TargetViewFieldPath = String.Join(".", viewFields.Skip(1).ToArray());
fieldData.ViewFieldPathInfo.MemberInfo.Add(fieldInfo);
fieldData.ViewFieldPathInfo.IsMapped = true;
fieldData.ViewFieldPathInfo.IsPathParsed = true;
fieldData.TargetViewSet = false;
viewTypeData.AddViewFieldPathInfo(viewFieldPath, fieldData.ViewFieldPathInfo);
return(fieldData);
}
// is this a property that refers to a view?
var propertyInfo = sourceView.GetType().GetProperty(firstViewField);
if (propertyInfo != null && viewType.IsAssignableFrom(propertyInfo.PropertyType))
{
// yes. set target view and return
fieldData.ViewFieldPathInfo.TargetViewFieldPath = String.Join(".", viewFields.Skip(1).ToArray());
fieldData.ViewFieldPathInfo.MemberInfo.Add(propertyInfo);
fieldData.ViewFieldPathInfo.IsMapped = true;
fieldData.ViewFieldPathInfo.IsPathParsed = true;
fieldData.TargetViewSet = false;
viewTypeData.AddViewFieldPathInfo(viewFieldPath, fieldData.ViewFieldPathInfo);
return(fieldData);
}
// does first view field or property exist?
if (fieldInfo == null && propertyInfo == null)
{
// no. check if it refers to a view in the hierarchy
var result = fieldData.TargetView.Find <View>(x => x.Id == viewFields[0], true, fieldData.TargetView);
if (result == null)
{
// no. assume that it refers to this view (in cases like x.SetValue(() => x.Field, value))
return(FromViewFieldPath(sourceView, String.Join(".", viewFields.Skip(1).ToArray())));
}
// view found
fieldData.ViewFieldPathInfo.TargetViewFieldPath = String.Join(".", viewFields.Skip(1).ToArray());
fieldData.ViewFieldPathInfo.IsMapped = true;
fieldData.TargetViewSet = true;
fieldData.TargetView = result;
return(fieldData);
}
}
// try parse the path
fieldData.ParseViewFieldPath();
return(fieldData);
}
/// <summary>
/// Initializes a new instance of the class.
/// </summary>
public ViewFieldBindingSource(ViewFieldData viewFieldData, bool negateValue = false)
{
ViewFieldData = viewFieldData;
NegateValue = negateValue;
}
