private void AddFunction()
{
var name = Program.Functions.Select(f => f.Name).CreateUniqueName("Function {0}");
bool wasAccepted = false;
var textEditService = new TextEditService();
textEditService.EditText(name, "New Function", "Name", t =>
{
name = t;
wasAccepted = true;
},
t => !string.IsNullOrWhiteSpace(t));
if (wasAccepted)
{
var functionHeaderMetadata = new FunctionMetadata()
{
Name = name,
Id = Guid.NewGuid(),
Elements = new ElementMetadata[] { },
};
var functionHeaderViewModel = new FunctionHeaderViewModel(functionHeaderMetadata);
Program.Functions.Add(functionHeaderViewModel);
}
}
public void EditFunction(FunctionMetadata metadata, Action<FunctionMetadata> saveAction, bool modal, string displayName)
{
//Create the function view model
var function = CreateRuntimeFunctionInner(metadata);
//Create the editor view model
var editorViewModel = new FunctionEditorDialogViewModel(_serviceContext, function, saveAction, new TextEditService(), displayName);
//Create the view
var view = new FunctionEditorDialog(_serviceContext.CustomResources)
{
DataContext = editorViewModel,
Owner = WindowUtil.GetActiveWindow()
};
//Show the dialog
if (modal)
{
view.ShowDialog();
}
else
{
view.Show();
}
}
public FunctionHeaderViewModel(FunctionMetadata metadata)
{
if (metadata == null) throw new ArgumentNullException(nameof(metadata));
_metadata = metadata;
EditCommand = new RelayCommand(Edit, CanEdit);
RenameCommand = new RelayCommand(Rename, CanRename);
}
private Function CreateRuntimeFunctionInner(FunctionMetadata metadata)
{
//Create the view model
var functionViewModel = new Function(_serviceContext, metadata.Id)
{
Name = metadata.Name
};
//Create the builder
var builder = new ElementBuilder(_serviceContext.ElementFactoryManager, _serviceContext);
//Add the elements to the owner (function)
builder.LoadFunction(functionViewModel, metadata);
return functionViewModel;
}
public IFunction LoadFunction(FunctionMetadata functionMetadata)
{
if (functionMetadata == null) throw new ArgumentNullException(nameof(functionMetadata));
var function = new Function(_context, functionMetadata.Id);
LoadFunction(function, functionMetadata);
return function;
}
#pragma warning restore CS0618
public void LoadFunction(IFunction function, FunctionMetadata functionMetadata)
{
if (function == null) throw new ArgumentNullException(nameof(function));
if (functionMetadata == null)
return;
//Fix the bloody metadata
FixFunctionMetadata(functionMetadata);
//Now get the simple stuff
function.Name = functionMetadata.Name;
function.ReturnTypeId = functionMetadata.ReturnTypeId;
//Add variables
if (functionMetadata.Variables != null)
{
AddToOwner(function, functionMetadata.Variables);
}
//Add arguments
if (functionMetadata.Arguments != null)
{
AddToOwner(function, functionMetadata.Arguments);
}
//Add return variable
if (functionMetadata.ReturnTypeId != null)
{
//Get the type for the return variable.
var type = function.GetVplTypeOrThrow(functionMetadata.ReturnTypeId.Value);
//Add the return variable.
function.AddVariable(new ReturnValueVariable(function, type));
}
//Add elements
if (functionMetadata.Elements != null)
{
AddToOwner(function, functionMetadata.Elements);
}
function.MarkClean();
}
private void FixFunctionMetadata(FunctionMetadata functionMetadata)
{
if (functionMetadata == null) throw new ArgumentNullException(nameof(functionMetadata));
if (functionMetadata.Elements != null)
{
//Check to see if need to convert
if (functionMetadata.Elements.Any(RequiresConversion))
{
//This is where we'll put all of the elements.
var allElements = new List<ElementMetadata>();
//Consider each of the root elements
foreach (var rootElement in functionMetadata.Elements)
{
//Flatten the element chain
var elements = EnumerateElementsWhileFixingBlocks(rootElement);
//Add this to the list of all elements
allElements.AddRange(elements);
}
//Set the next element to null
allElements.ForEach(e => e.Next = null);
functionMetadata.Elements = allElements
.ToArray();
}
}
}
private void Edit()
{
try
{
HostViewModelLocator.VplService.EditFunction(_metadata, m =>
{
_metadata = m;
RaisePropertyChanged(() => Name);
}, false);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error");
}
}
