/// <summary>
/// Indexer
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public object this[string key]
{
get
{
DataObject obj = this.FindRecursive(key);
if (obj is null)
{
throw new KeyNotFoundException();
}
return(obj.GetValue());
}
set
{
DataObject obj = this.FindRecursive(key);
if (obj is null)
{
throw new KeyNotFoundException();
}
obj.SetValue(value);
}
}
/// <summary>
/// Takes in 2 <see cref="IDataContainer"/> returns new instance of <see cref="IDataContainer"/>
/// which containes properties which are both in LHS and RHS, the values will be from LHS
/// </summary>
/// <param name="lhs"></param>
/// <param name="rhs"></param>
/// <returns>LHS ^ RHS</returns>
public static IDataContainer Intersect(this IDataContainer lhs, IDataContainer rhs)
{
IDataContainer intersect = lhs is IPropertyContainer
? (IDataContainer) new PropertyContainer()
: new DataContainer();
intersect.Name = lhs.Name;
var lhsKeys = lhs.GetKeys();
var rhsKeys = rhs.GetKeys();
var intersectKeys = lhsKeys.Intersect(rhsKeys);
foreach (var key in intersectKeys)
{
DataObject first = lhs.Find(key);
// in case of nested IDataContainer
if (first.GetValue() is IDataContainer dc)
{
var second = rhs.Find(first.Name).GetValue() as IDataContainer;
if (dc.IsIdentical(second) == false)
{
first.SetValue(dc.Intersect(second));
}
}
intersect.Add(first);
}
return(intersect);
}
/// <summary>
/// Add new properties from second to first, if they already exist, keep the values.
/// Same as <see cref="Union(IDataContainer, IDataContainer)"/> but does operation inplace instead of returning new intance;
/// </summary>
/// <param name="lhs"></param>
/// <param name="rhs"></param>
public static bool Merge(this IDataContainer lhs, IDataContainer rhs)
{
bool result = false;
bool innerResult = false;
foreach (var data in rhs)
{
if (lhs.ContainsData(data.Name) == false)
{
lhs.Add(data);
result = true;
}
else
{
DataObject lhsData = lhs.Find(data.Name);
// No need to update value, but update the details
if (data is PropertyObject propRhs && lhsData is PropertyObject propLhs)
{
result = propLhs.DisplayName != propRhs.DisplayName ||
propLhs.Category != propRhs.Category ||
propLhs.Description != propRhs.Description;
propLhs.DisplayName = propRhs.DisplayName;
propLhs.Category = propRhs.Category;
propLhs.Description = propRhs.Description;
}
if (lhsData.GetValue() is IDataContainer dc)
{
IDataContainer rhsDC = data.GetValue() as IDataContainer;
bool temp = dc.Merge(rhsDC);
innerResult = temp || innerResult;
}
}
}
return(result || innerResult);
}
/// <summary>
/// Reload values from file again
/// Doesn't need new properties if added, only updates existing ones
/// </summary>
/// <param name="dc"></param>
public static void Refresh(this IDataContainer dc, IDataContainer changed)
{
foreach (var data in changed)
{
object value = data.GetValue();
if (value is IDataContainer changedChild)
{
DataObject dcChild = dc.Find(data.Name);
if (dcChild != null)
{
IDataContainer dcChildValue = dcChild.GetValue() as IDataContainer;
dcChildValue.Refresh(changedChild);
}
}
else
{
dc.SetValue(data.Name, value);
}
}
}
/// <summary>
/// Implementation for <see cref="PropertyDescriptor.GetValue(object)"/>
/// </summary>
/// <param name="component"></param>
/// <returns></returns>
public override object GetValue(object component)
{
return(DataObject is IEditorValueProvider icvp
? icvp.GetEditorValue()
: DataObject.GetValue());
}