private void UpdateEditor(SnippetDescriptor descriptor, ElementEditorContext context) {
var viewModel = new SnippetViewModel {
Descriptor = descriptor
};
if (context.Updater != null) {
foreach (var fieldDescriptor in descriptor.Fields) {
var name = fieldDescriptor.Name;
var result = context.ValueProvider.GetValue(name);
if (result == null)
continue;
context.Element.Data[name] = result.AttemptedValue;
}
}
viewModel.FieldEditors = descriptor.Fields.Select(x => {
var fieldEditorTemplateName = String.Format("Elements.Snippet.Field.{0}", x.Type ?? "Text");
var fieldDescriptorViewModel = new SnippetFieldViewModel {
Descriptor = x,
Value = context.Element.Data.Get(x.Name)
};
var fieldEditor = context.ShapeFactory.EditorTemplate(TemplateName: fieldEditorTemplateName, Model: fieldDescriptorViewModel, Prefix: context.Prefix);
return fieldEditor;
}).ToList();
var snippetEditorShape = context.ShapeFactory.EditorTemplate(TemplateName: "Elements.Snippet", Model: viewModel, Prefix: context.Prefix);
snippetEditorShape.Metadata.Position = "Fields:0";
context.EditorResult.Add(snippetEditorShape);
}
private void Editor(SnippetDescriptor descriptor, ElementEditorContext context) {
UpdateEditor(descriptor, context);
}
private SnippetDescriptor DescribeSnippet(dynamic shape) {
// Execute the shape and intercept calls to the Html.SnippetField method.
var descriptor = new SnippetDescriptor();
shape.DescriptorRegistrationCallback = (Action<SnippetFieldDescriptor>) (fieldDescriptor => {
var existingDescriptor = descriptor.Fields.SingleOrDefault(x => x.Name == fieldDescriptor.Name); // Not using Dictionary, as that will break rendering the view for some obscure reason.
if (existingDescriptor == null)
descriptor.Fields.Add(fieldDescriptor);
if (fieldDescriptor.DisplayName == null)
fieldDescriptor.DisplayName = new LocalizedString(fieldDescriptor.Name);
});
using (_currentThemeShapeBindingResolver.Value.Enable()) {
_shapeDisplay.Value.Display(shape);
}
shape.SnippetDescriptor = descriptor;
return descriptor;
}
private void Displaying(ElementDisplayingContext context, ShapeDescriptor shapeDescriptor, SnippetDescriptor snippetDescriptor) {
var shapeType = shapeDescriptor.ShapeType;
var shape = (dynamic)_shapeFactory.Value.Create(shapeType);
shape.Element = context.Element;
shape.SnippetDescriptor = snippetDescriptor;
ElementShapes.AddTokenizers(shape, _tokenizer.Value);
context.ElementShape.Snippet = shape;
context.ElementShape.SnippetDescriptor = snippetDescriptor;
}
private SnippetDescriptor ParseSnippetDescriptor(string bindingSource)
{
var physicalSourcePath = _wca.GetContext().HttpContext.Server.MapPath(bindingSource);
var paramsFileName = Path.Combine(Path.GetDirectoryName(physicalSourcePath) ?? "", Path.GetFileNameWithoutExtension(physicalSourcePath) + ".txt");
if (!File.Exists(paramsFileName))
return null;
var yaml = File.ReadAllText(paramsFileName);
var snippetConfig = Deserialize(yaml);
var fieldsConfig = snippetConfig.Fields != null ? snippetConfig.Fields.Children : new dynamic[0];
var descriptor = new SnippetDescriptor();
foreach (var fieldConfig in fieldsConfig) {
descriptor.Fields.Add(new SnippetFieldDescriptor {
Name = (string)fieldConfig.Name,
Type = (string)fieldConfig.Type,
DisplayName = new LocalizedString((string)fieldConfig.DisplayName),
Description = new LocalizedString((string)fieldConfig.Description)
});
}
return descriptor;
}
private void Displaying(ElementDisplayingContext context, ShapeDescriptor shapeDescriptor, SnippetDescriptor snippetDescriptor)
{
var shapeType = shapeDescriptor.ShapeType;
var shape = (dynamic)_shapeFactory.Value.Create(shapeType);
shape.Element = context.Element;
if (snippetDescriptor != null) {
foreach (var fieldDescriptor in snippetDescriptor.Fields) {
var value = context.Element.Data.Get(fieldDescriptor.Name);
shape.Properties[fieldDescriptor.Name] = value;
}
}
ElementShapes.AddTokenizers(shape, _tokenizer.Value);
context.ElementShape.Snippet = shape;
}