internal static IObserver CreateBindingSource(IDataContext context, string path, object src,
bool ignoreSrc = false)
{
if (src == null && (ignoreSrc || !context.TryGetData(BindingBuilderConstants.Source, out src)))
{
src = BindingServiceProvider
.ContextManager
.GetBindingContext(context.GetData(BindingBuilderConstants.Target, true),
context.GetData(BindingBuilderConstants.TargetPath, true).Path);
}
return(BindingServiceProvider
.ObserverProvider
.Observe(src, BindingServiceProvider.BindingPathFactory(path), false, context));
}
internal static object[] GetIndexerValues(IList <ParameterInfo> parameters, string path, Type castType = null)
{
string replace = path.Replace("[", string.Empty).Replace("]", string.Empty);
var strings = replace.Split(new[] { "," }, StringSplitOptions.RemoveEmptyEntries);
var result = new object[strings.Length];
for (int i = 0; i < strings.Length; i++)
{
var s = strings[i];
if (parameters != null)
{
castType = parameters[i].ParameterType;
}
result[i] = s == "null" ? null : BindingServiceProvider.ValueConverter(castType, s);
}
return(result);
}
public static object GetValueFromPath(object src, string strPath, int firstMemberIndex = 0)
{
IBindingPath path = BindingServiceProvider.BindingPathFactory(strPath);
for (int index = firstMemberIndex; index < path.Parts.Count; index++)
{
string item = path.Parts[index];
if (src.IsNullOrUnsetValue())
{
return(null);
}
IBindingMemberInfo member = BindingServiceProvider
.MemberProvider
.GetBindingMember(src.GetType(), item, false, true);
src = member.GetValue(src, null);
}
return(src);
}
internal static object[] GetIndexerValues(string path, IList <ParameterInfo> parameters = null, Type castType = null)
{
var args = path
.RemoveBounds()
.Split(CommaSeparator, StringSplitOptions.RemoveEmptyEntries);
var result = new object[args.Length];
for (int i = 0; i < args.Length; i++)
{
var s = args[i];
if (parameters != null)
{
castType = parameters[i].ParameterType;
}
if (!string.IsNullOrEmpty(s) && s[0] == '\"' && s.EndsWith("\""))
{
s = s.RemoveBounds();
}
result[i] = s == "null" ? null : BindingServiceProvider.ValueConverter(BindingMemberInfo.Empty, castType, s);
}
return(result);
}
