internal VisualTreeDetail ToVisualTreeDetail(VisualTreeConversionContext context)
{
var description = ValidateNotNull(Description, nameof(Description));
int?repeat = context.GetRepeat(Repeat);
if (repeat == null)
{
string relativePath = ValidateNotNull(Path, nameof(Path));
ValidateNull(Format, nameof(Format), nameof(Repeat));
ValidateNull(FormatPaths, nameof(FormatPaths), nameof(Repeat));
return(new VisualTreeDetail(description, context.GetContext(relativePath)));
}
else
{
var format = ValidateNotNull(Format, nameof(Format));
var formatPaths = ValidateNotNull(FormatPaths, nameof(FormatPaths));
var index = ValidateNotNull(Index, nameof(Index));
ValidateNull(Path, nameof(Path), nameof(Repeat));
List <FormattableDescription> detailDescriptions = new List <FormattableDescription>();
for (int i = 1; i <= repeat; i++)
{
var formatElement = context.WithIndex(index, i).BuildDescription(format, formatPaths);
detailDescriptions.Add(formatElement);
}
return(new VisualTreeDetail(description, detailDescriptions));
}
}
internal IEnumerable <VisualTreeNode> ConvertVisualNodes(VisualTreeNode?parent, VisualTreeConversionContext parentContext)
{
int?repeat = parentContext.GetRepeat(Repeat);
var relativePath = ValidateNotNull(Path, nameof(Path));
if (repeat == null)
{
var context = parentContext.WithContextFromPath(relativePath);
yield return(ToVisualTreeNode(context));
}
else
{
var index = ValidateNotNull(Index, nameof(Index));
for (int i = 1; i <= repeat; i++)
{
var context = parentContext.WithIndex(index, i).WithContextFromPath(relativePath);
yield return(ToVisualTreeNode(context));
}
}
VisualTreeNode ToVisualTreeNode(VisualTreeConversionContext context)
{
FormattableDescription description = BuildDescription(context);
FormattableDescription?kitOnlyDescription = BuildKitOnlyDescription(context);
Func <VisualTreeNode?, IReadOnlyList <VisualTreeNode> > childrenProvider = newNode => Children.SelectMany(child => child.ConvertVisualNodes(newNode, context)).ToList().AsReadOnly();
var details = Details.Select(detail => detail.ToVisualTreeDetail(context)).ToList().AsReadOnly();
var midiNoteField = MidiNotePath is null ? null : context.GetMidiNoteField(MidiNotePath);
var kitIndex = KitIndex == null ? (int?)null : context.GetIndex(KitIndex);
var instrumentIndex = InstrumentIndex == null ? (int?)null : context.GetIndex(InstrumentIndex);
return(new VisualTreeNode(parent, context.ContainerContext, childrenProvider, details, description, kitOnlyDescription, midiNoteField, kitIndex, instrumentIndex));
}
FormattableDescription BuildDescription(VisualTreeConversionContext context)
{
if (Description != null)
{
ValidateNull(Format, nameof(Format), nameof(Description));
ValidateNull(FormatPaths, nameof(FormatPaths), nameof(Description));
return(new FormattableDescription(Description, null));
}
else
{
var format = ValidateNotNull(Format, nameof(Format));
var formatPaths = ValidateNotNull(FormatPaths, nameof(FormatPaths));
return(context.BuildDescription(format, formatPaths));
}
}
FormattableDescription?BuildKitOnlyDescription(VisualTreeConversionContext context)
{
if (KitOnlyFormat is null)
{
return(null);
}
else
{
var formatPaths = ValidateNotNull(FormatPaths, nameof(FormatPaths));
return(context.BuildDescription(KitOnlyFormat, formatPaths));
}
}
}