public ContextualizedHelpers CreateChild(ViewContext context, IHtmlHelper html, IPrincipal user = null, IViewComponentHelper component = null, IUrlHelper urlHelper = null, IStringLocalizerFactory localizerFactory = null)
{
var res = new ContextualizedHelpers(context, html, user ?? _user, component ?? _component, urlHelper ?? _urlHelper, localizerFactory ?? LocalizerFactory);
res.cachedTemplateResult = cachedTemplateResult;
return(res);
}
public async Task <IHtmlContent> InvokeDisplay(ContextualizedHelpers helpers, ModelExpression expression)
{
if (DisplayTemplate == null)
{
return(new HtmlString(string.Empty));
}
return(await DisplayTemplate.Invoke(expression, this, helpers));
}
public IHtmlContent RenderUrl(ContextualizedHelpers helpers, string actionMethod, object parameters)
{
if (ControllerType == null)
{
return(null);
}
return(new HtmlString(helpers.UrlHelper.Action(actionMethod, ControllerType.Name.Substring(0, ControllerType.Name.Length - 10), parameters)));
}
public async Task <IHtmlContent> InvokeDisplay(object o, ContextualizedHelpers helpers, string overridePrefix = null)
{
if (DisplayTemplate == null)
{
return(new HtmlString(string.Empty));
}
return(await DisplayTemplate.Invoke(
new ModelExpression(combinePrefixes(AdditionalPrefix, For.Name), For.ModelExplorer.GetExplorerForModel(o)),
this, helpers, overridePrefix));
}
public IHtmlContent RenderHiddens(ContextualizedHelpers ctx, object rowModel)
{
if (renderHiddens == null)
{
return(new HtmlString(string.Empty));
}
else
{
return(renderHiddens(hiddens, ctx, rowModel));
}
}
public async Task <IHtmlContent> InvokeDisplay(object o, string prefix, ContextualizedHelpers helpers)
{
if (DisplayTemplate == null)
{
return(new HtmlString(string.Empty));
}
//await PrerenderInLineColumnTemplates(o, prefix, helpers);
return(await DisplayTemplate.Invoke(
new ModelExpression(prefix, For.ModelExplorer.GetExplorerForModel(o)),
this, helpers));
}
public async Task <IHtmlContent> InvokeGrouping(object o, string prefix, ContextualizedHelpers helpers, Type destinationType)
{
if (GroupingTemplate == null)
{
return(new HtmlString(string.Empty));
}
//await PrerenderInLineColumnTemplates(o, prefix, helpers);
return(await GroupingTemplate.Invoke(
new ModelExpression(prefix, For.ModelExplorer.GetExplorerForModel(o)),
this, helpers, null, destinationType));
}
protected async Task PrerenderInLineColumnTemplates(object o, string prefix, ContextualizedHelpers helpers)
{
foreach (var col in Columns)
{
if (col.DisplayTemplate != null && col.DisplayTemplate.Type == TemplateType.InLine)
{
var model = col.For.Metadata.PropertyGetter(o);
var expression = new ModelExpression(combinePrefixes(prefix, combinePrefixes(col.AdditionalPrefix, col.For.Name)),
col.For.ModelExplorer.GetExplorerForModel(model));
helpers.AddCachedTemplateResult(col.DisplayTemplate, await col.InvokeDisplay(helpers, expression));
}
if (col.EditTemplate != null && col.EditTemplate.Type == TemplateType.InLine)
{
var model = col.For.Metadata.PropertyGetter(o);
var expression = new ModelExpression(combinePrefixes(prefix, combinePrefixes(col.AdditionalPrefix, col.For.Name)),
col.For.ModelExplorer.GetExplorerForModel(model));
helpers.AddCachedTemplateResult(col.EditTemplate, await col.InvokeEdit(helpers, expression));
}
}
}
public int VisibleColumns(ContextualizedHelpers helpers, bool editOnly = false)
{
return(MustAddButtonColumn(helpers, editOnly) ? ColumnsCount + 1 : ColumnsCount);
}
public bool MustAddButtonColumn(ContextualizedHelpers helpers, bool editOnly = false)
{
return(!CustomButtons && ((RequiredFunctionalities(helpers.User) & (editOnly ? Functionalities.EditOnlyHasRowButtons : Functionalities.HasRowButtons)) != 0));
}
public async Task <IHtmlContent> RenderColumn(object rowModel, Column col, bool editMode, ContextualizedHelpers ctx, bool filterMode = false)
{
if (col.For == null)
{
var expression = new ModelExpression(combinePrefixes(col.AdditionalPrefix, string.Empty), For.ModelExplorer.GetExplorerForModel(rowModel));
return(filterMode ? await col.InvokeFilter(ctx, expression) : (editMode ? await col.InvokeEdit(ctx, expression) : await col.InvokeDisplay(ctx, expression)));
}
else if (col.ColumnConnection == null)
{
var model = col.For.Metadata.PropertyGetter(rowModel);
if (filterMode)
{
return(await col.InvokeFilter(model, ctx));
}
else if (editMode)
{
return(await col.InvokeEdit(model, ctx));
}
else
{
return(await col.InvokeDisplay(model, ctx));
}
}
else if (filterMode && col.ColumnConnection.QueryDisplay)
{
var displayFor = col.ColumnConnection.DisplayProperty;
var model = displayFor.Metadata.PropertyGetter(rowModel);
var expression = new ModelExpression(combinePrefixes(col.AdditionalPrefix, displayFor.Name), displayFor.ModelExplorer.GetExplorerForModel(model));
return(await col.InvokeFilter(ctx, expression));
}
else if (col.ColumnConnection is ColumnConnectionInfosStatic && (editMode || filterMode))
{
var model = col.For.Metadata.PropertyGetter(rowModel);
return(filterMode ? await col.InvokeFilter(model, ctx) : await col.InvokeEdit(model, ctx));
}
else if (!(editMode || filterMode))
{
var displayFor = col.ColumnConnection.DisplayProperty;
var model = displayFor.Metadata.PropertyGetter(rowModel);
var expression = new ModelExpression(combinePrefixes(col.AdditionalPrefix, displayFor.Name), displayFor.ModelExplorer.GetExplorerForModel(model));
return(await col.InvokeDisplay(ctx, expression));
}
else
{
var expression = new ModelExpression(combinePrefixes(col.AdditionalPrefix, string.Empty), For.ModelExplorer.GetExplorerForModel(rowModel));
return(filterMode ? await col.InvokeFilter(ctx, expression) : await col.InvokeEdit(ctx, expression));
}
}
public async Task <IHtmlContent> Invoke(ModelExpression expression, O options, ContextualizedHelpers helpers, string overridePrefix = null, object data = null)
{
if (expression == null)
{
throw new ArgumentNullException(nameof(expression));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
ModelExplorer model = expression.ModelExplorer;
if (Type == TemplateType.Partial)
{
if (helpers == null)
{
throw new ArgumentNullException(nameof(helpers));
}
var h = helpers.Html;
var origVd = helpers.Context.ViewData;
if (h == null)
{
throw new ArgumentNullException(nameof(h));
}
var fatherPrefix = (origVd[RenderingScope.Field] as RenderingScope)?.FatherPrefix;
var vd = new ViewDataDictionary <object>(origVd);
vd.Model = model.Model;
vd.ModelExplorer = model.GetExplorerForModel(model.Model);
if (overridePrefix != null)
{
vd.TemplateInfo.HtmlFieldPrefix = combinePrefixes(overridePrefix, expression.Name);
}
else
{
vd.TemplateInfo.HtmlFieldPrefix = origVd.GetFullHtmlFieldName(combinePrefixes(fatherPrefix, expression.Name));
}
vd["Options"] = options;
vd["ContextualizedHelpers"] = helpers;
vd["LocalizerFactory"] = helpers.LocalizerFactory;
if (data != null)
{
vd["ExtraData"] = data;
}
vd.Remove(RenderingScope.Field);
return(await h.PartialAsync(TemplateName, model.Model, vd));
}
else if (Type == TemplateType.ViewComponent)
{
if (helpers == null)
{
throw new ArgumentNullException(nameof(helpers));
}
var origVd = helpers.Context.ViewData;
var fatherPrefix = (origVd[RenderingScope.Field] as RenderingScope)?.FatherPrefix;
if (data != null)
{
return(await helpers.Component.InvokeAsync(TemplateName, new
{
model = model.Model,
options = options,
prefix = overridePrefix != null ? combinePrefixes(overridePrefix, expression.Name) : origVd.GetFullHtmlFieldName(combinePrefixes(fatherPrefix, expression.Name)),
modelState = origVd.ModelState,
extraData = data
}));
}
else
{
return(await helpers.Component.InvokeAsync(TemplateName, new {
model = model.Model,
options = options,
prefix = overridePrefix != null ? combinePrefixes(overridePrefix, expression.Name) : origVd.GetFullHtmlFieldName(combinePrefixes(fatherPrefix, expression.Name)),
modelState = origVd.ModelState
}));
}
}
else if (Type == TemplateType.InLine)
{
var res = helpers.GetCachedTemplateResult(this);
if (res != null)
{
return(res);
}
using (await Lock.LockAsync())
{
originalContext.HttpContext = helpers.CurrentHttpContext;
var origVd = originalContext.ViewData;
using (new TagHelpersProviderContext(OriginalProvider, originalContext))
{
using (new RenderingScope(
expression.Model,
overridePrefix != null ? combinePrefixes(overridePrefix, expression.Name) : helpers.Context.ViewData.GetFullHtmlFieldName(expression.Name),
origVd,
options))
{
return(FTemplate(model.Model, default(O), helpers));
}
}
}
}
else
{
if (helpers == null)
{
throw new ArgumentNullException(nameof(helpers));
}
var origVd = helpers.Context.ViewData;
using (new RenderingScope(
expression.Model,
origVd,
expression.Name,
options))
{
return(FTemplate(model.Model, options, helpers));
}
}
}
