public override async Task ProcessAsync(TagHelperContext context, TagHelperOutput output)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (output == null)
{
throw new ArgumentNullException(nameof(output));
}
if (!output.Content.IsModified)
{
await output.GetChildContentAsync();
}
TagContextHelper.CloseFormContext(contextAccessor.HttpContext, output);
}
public override async Task ProcessAsync(TagHelperContext context, TagHelperOutput output)
{
//estabilish context
if (For == null)
{
throw new ArgumentNullException(ForAttributeName);
}
if (RequiredFunctionalities == null)
{
if (Type == GridType.Immediate)
{
RequiredFunctionalities = (x) => Functionalities.FullDetail;
}
else
{
RequiredFunctionalities = (x) => Functionalities.FullInLine;
}
}
string fullName = ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(For.Name);
string id = OverrideId ?? TagBuilder.CreateSanitizedId(fullName, IdAttributeDotReplacement);
var currProvider = ViewContext.TagHelperProvider();
var actTagName = TagName + (Type == GridType.Batch ? "-batch" : "-immediate");
var defaultTemplates = currProvider.GetDefaultTemplates(actTagName);
var ctx = new ContextualizedHelpers(ViewContext, html, httpAccessor, component, urlHelperFactory, factory);
//
//estabilish context for children controls
TagContextHelper.OpenBindingContext(httpAccessor.HttpContext, BindingContextNames.Collection, For);
TagContextHelperAdvanced.OpenPermissionBindingContext(httpAccessor.HttpContext, new PermissionInfos
{
ClientUserPermissions = ClientRequiredFunctionalities,
UserPermissions = RequiredFunctionalities
});
if (QueryFor != null && QueryEnabled.HasValue && QueryEnabled.Value)
{
TagContextHelper.OpenBindingContext(httpAccessor.HttpContext, BindingContextNames.Query, QueryFor);
TagContextHelper.OpenTypeBindingContext(httpAccessor.HttpContext, BindingContextNames.GroupingType, GroupingOutput ?? For.Metadata.ElementType);
}
//get row definitions
IList <RowType> rows = string.IsNullOrEmpty(RowsCacheKey) ?
null :
RowType.GetRowsCollection(RowsCacheKey);
var nc = new ReductionContext(TagTokens.RowContainer, 0, defaultTemplates, rows != null);
context.SetChildrenReductionContext(nc);
TagContextHelper.OpenRowContainerContext(httpAccessor.HttpContext);
await output.GetChildContentAsync();
var collector = new RowContainerCollector(nc);
var res = collector.Process(this, defaultTemplates) as Tuple <IList <RowType>, IList <KeyValuePair <string, string> > >;
if (rows == null)
{
rows = res.Item1;
if (!string.IsNullOrEmpty(RowsCacheKey))
{
RowType.CacheRowGroup(RowsCacheKey, rows, httpAccessor.HttpContext);
httpAccessor.HttpContext.Items["_request_cache_" + RowsCacheKey] = rows;
}
foreach (var row in rows)
{
if (row.ControllerType != null)
{
Action action = () =>
{
ControllerHelpers.DeclareServerRowtype(row.ControllerType, row);
};
CacheViewPartsFilter.AddAction(httpAccessor.HttpContext, action);
}
}
}
var toolbars = res.Item2;
TagContextHelper.CloseRowContainerContext(httpAccessor.HttpContext, new Tuple <IList <RowType>, IList <KeyValuePair <string, string> > >(rows, toolbars));
//
//Prepare grid options
var options = new GridOptions(rows, toolbars, Type, id, fullName)
{
CssClass = CssClass,
ErrorMessages = ErrorMessages,
ClientRowSelection = ClientRowSelection,
ServerRowSelection = ServerRowSelection,
LayoutTemplate = defaultTemplates.GetLayoutTemplate(LayoutTemplate),
SubTemplates = defaultTemplates.GetLayoutParts(LayoutParts)
};
//finally process!
await currProvider.GetTagProcessor(actTagName)(context, output, this, options, ctx);
if (QueryFor != null && QueryEnabled.HasValue && QueryEnabled.Value)
{
TagContextHelper.CloseTypeBindingContext(httpAccessor.HttpContext, BindingContextNames.GroupingType);
TagContextHelper.CloseBindingContext(httpAccessor.HttpContext, BindingContextNames.Query);
}
TagContextHelperAdvanced.ClosePermissionBindingContext(httpAccessor.HttpContext);
TagContextHelper.CloseBindingContext(httpAccessor.HttpContext, BindingContextNames.Collection);
if (!ViewContext.FormContext.CanRenderAtEndOfForm)
{
TagContextHelper.CloseFormContext(httpAccessor.HttpContext, output);
}
}
