public override bool Read(GH_IO.Serialization.GH_IReader reader)
{
// 2013 Oct 8 - Giulio
// Removing all hacks and making this work properly from Gh 0.9.61 onwards
// The logic is this: this component ALWAYS gets constructed without "code" & with "out".
// Then, when they are not necessary, these are added or removed.
// RegisterInput/Output must always insert the original amount of items.
if (reader.ItemExists(ID_EditorLocation))
DefaultEditorLocation = reader.GetDrawingPoint(ID_EditorLocation);
if (reader.ItemExists(ID_EditorSize))
DefaultEditorSize = reader.GetDrawingSize(ID_EditorSize);
bool hideInput = true;
if (reader.TryGetBoolean(ID_HideInput, ref hideInput))
HiddenCodeInput = hideInput;
bool hideOutput = false;
if (reader.TryGetBoolean(ID_HideOutput, ref hideOutput))
HiddenOutOutput = hideOutput;
if (hideInput)
if (!reader.TryGetString(ID_CodeInput, ref m_inner_codeInput))
m_inner_codeInput = string.Empty;
bool rc = base.Read(reader);
// Dynamic input fix for existing scripts
// Always assign DynamicHint or Grasshopper
// will set Line and not LineCurve, etc...
if (Params != null && Params.Input != null)
{
for (int i = HiddenCodeInput ? 1 : 0; i < Params.Input.Count; i++)
{
var p = Params.Input[i] as Param_ScriptVariable;
if (p != null)
{
FixGhInput(p, false);
if (p.TypeHint == null)
{
p.TypeHint = p.Hints[0];
}
}
}
}
return rc;
}
public override bool Read(GH_IO.Serialization.GH_IReader reader)
{
// 8 Aug. 2012
// There are a couple of "hacks" in here to get IO code to work properly.
// I'll discuss fixes for this so we can skip over the code in future
// versions of grasshopper
bool perform_hacks = this is IGH_VarParamComponent;
if (perform_hacks)
{
// only perform these hacks on 0.9.6 and below. Assuming that this
// will get fixed in the very next GH release
var version = Grasshopper.Versioning.Version;
if (version.major > 0 || version.minor > 9 || (version.minor == 9 && version.revision > 6))
perform_hacks = false;
}
if( perform_hacks )
{
// Hack #1
// When deserializing, this component is constructed and the I can't tell
// that this component was created for deserializing from disk and the
// "AddDefaultInput" / "AddDefaultOutput" functions are called. The low level
// parameter reading code skips reading of params when they already exists
// (see Read_IGH_VarParamParamList in GH_ComponentParamServer.vb)
// ... If (i<params.Count) Then Continue For
// Clear out the default input parameters so the GH variable
// parameter reader doesn't get hosed
for (int i = Params.Input.Count - 1; i >= 0; i--)
Params.UnregisterParameter(Params.Input[0]);
for (int i = Params.Output.Count - 1; i >= 0; i--)
Params.UnregisterParameter(Params.Output[0]);
}
bool rc = base.Read(reader);
if (perform_hacks)
{
// Hack #2
// The IO code in checks to see if "Access" exists when it looks like
// it should be checking if "Access" at index exists
// (see Read_IGH_VarParamParamList in GH_ComponentParamServer.vb)
// ...If( reader.ItemExists("Access")) Then
// probably should be
// ...If( reader.ItemExists("Access", i)) Then
//
// Working around this issue by manually digging through the chuncks
if (reader.ChunkCount > 1)
{
var chunk = reader.Chunks[1];
for (int i = 0; i < chunk.ItemCount; i++)
{
var item = chunk.Items[i];
if (item != null && string.Compare(item.Name, "Access", StringComparison.InvariantCulture) == 0)
{
int index = item.Index;
if (index >= 0 && index < Params.Input.Count)
{
int access = item._int32;
if (1 == access)
Params.Input[index].Access = GH_ParamAccess.list;
else if (2 == access)
Params.Input[index].Access = GH_ParamAccess.tree;
}
}
}
}
}
bool hideInput = false;
if (reader.TryGetBoolean(HideInputIdentifier, ref hideInput))
CodeInputVisible = !hideInput;
if (!CodeInputVisible)
{
string code = null;
if (reader.TryGetString(CodeInputIdentifier, ref code))
CodeInput = code;
}
bool hideOutput = false;
if (reader.TryGetBoolean(HideOutputIdentifier, ref hideOutput))
HideCodeOutput = hideOutput;
if (HideCodeOutput)
Params.Output.RemoveAt(0);
// Dynamic input fix for existing scripts
// Always assign DynamicHint or Grasshopper
// will set Line and not LineCurve, etc...
if (Params != null && Params.Input != null)
{
for (int i = CodeInputVisible ? 1 : 0; i < Params.Input.Count; i++)
{
var p = Params.Input[i] as Param_ScriptVariable;
if (p != null)
{
FixGhInput(p, false);
if (p.TypeHint == null)
{
p.TypeHint = p.Hints[0];
}
}
}
}
return rc;
}
