internal ElementClipboardDataItem(IElementFactory elementFactory, ElementMetadata elementMetadata)
{
if (elementMetadata == null && elementFactory == null)
throw new ArgumentException("Both arguments cannot not be null.");
_elementFactory = elementFactory;
_elementMetadata = elementMetadata;
}
public IElement CreateElement(IElementOwner owner, ElementMetadata elementMetadata)
{
if (owner == null) throw new ArgumentNullException(nameof(owner));
if (elementMetadata == null) throw new ArgumentNullException(nameof(elementMetadata));
//Find the factory
var factory = _factoryManager.GetFactory(elementMetadata.ElementTypeId);
//Create the context
var context = new ElementCreationContext(owner, elementMetadata.Data, factory);
//Create the element
var element = factory.Create(context);
SetElementProperties(element, elementMetadata);
//Blocks
if (elementMetadata.Blocks != null)
{
foreach (var blockMetadata in elementMetadata.Blocks)
{
var block = element.Blocks.FirstOrDefault(b => b.Id == blockMetadata.Id);
if (block == null)
{
Console.WriteLine("Whoa - didn't find a block");
}
else
{
SetElementProperties(block, blockMetadata);
if (blockMetadata.Elements != null)
{
//Add the block children
block.Elements.AddRange(blockMetadata.Elements.Select(e => CreateElement(owner, e)).ToArray());
}
}
}
}
return element;
}
public static IElementClipboardData CreateFunctionCallClipboardData(Guid functionId)
{
var data = new CommonFunctionBehavior.CallFunctionData()
{
FunctionId = functionId
};
var elementMetadata = new ElementMetadata()
{
Data = JsonConvert.SerializeObject(data),
ElementTypeId = PluginElementIds.CallFunction
};
return new ElementClipboardData(new ElementMetadata[]
{
elementMetadata
});
}
public static ElementMetadata ToMetadata(this IElement element)
{
if (element == null)
return null;
var elementMetadata = new ElementMetadata()
{
Data = element.GetData(),
Parameters = element.Parameters.ToMetadata(),
Blocks = element.Blocks.ToMetadata(),
ElementTypeId = element.ElementTypeId
};
return elementMetadata;
}
private bool RequiresConversion(ElementMetadata elementMetadata)
{
if (elementMetadata == null) throw new ArgumentNullException(nameof(elementMetadata));
if (elementMetadata.Next != null)
return true;
if (elementMetadata.Blocks != null)
{
if (elementMetadata.Blocks.Any(b => b.Next != null))
{
return true;
}
}
return false;
}
#pragma warning disable CS0618
private static IEnumerable<ElementMetadata> EnumerateElementsWhileFixingBlocks(ElementMetadata first)
{
var current = first;
while (current != null)
{
if (current.Blocks != null)
{
foreach (var block in current.Blocks)
{
FixBlock(block);
}
}
yield return current;
current = current.Next;
}
}
