/// <summary>
/// Renders the view.
/// </summary>
/// <param name="viewName">Name of the view.</param>
/// <param name="viewData">The view data.</param>
/// <param name="parameters">The parameters.</param>
/// <param name="executeDataRule">if set to <c>true</c> [execute data rule].</param>
/// <returns></returns>
public virtual IHtmlString RenderView(string viewName, ViewDataDictionary viewData, object parameters, bool executeDataRule)
{
Kooboo.CMS.Sites.Models.View view = Kooboo.CMS.Sites.Models.IPersistableExtensions.AsActual(new Kooboo.CMS.Sites.Models.View(this.PageContext.PageRequestContext.Site, viewName).LastVersion());
if (view != null)
{
//backup the parent view context
var parentPositionContext = PageContext.ViewDataContext;
var parameters1 = parameters is IDictionary <string, object>?((IDictionary <string, object>)parameters) : new RouteValueDictionary(parameters);
PageContext.ViewDataContext = new PagePositionContext(view, parameters1, viewData);
if (executeDataRule)
{
viewData = new ViewDataDictionary(viewData);
var pageRequestContext = this.PageContext.PageRequestContext;
if (view.DataRules != null)
{
var valueProvider = pageRequestContext.GetValueProvider();
valueProvider.Insert(0, new ViewParameterValueProvider(PageContext.ViewDataContext.Parameters));
var dataRuleContext = new DataRuleContext(pageRequestContext.Site, pageRequestContext.Page)
{
ValueProvider = valueProvider
};
DataRuleExecutor.Execute(viewData, dataRuleContext, view.DataRules);
}
}
var html = RenderViewInternal(this.Html, view.TemplateFileVirutalPath, viewData, null);
if (PageContext.EnableTrace)
{
html = new HtmlString(string.Format(GeneratedByViewComment, viewName, html.ToString()));
}
//restore the parent view context
PageContext.ViewDataContext = parentPositionContext;
return(html);
}
else
{
return(new HtmlString(""));
}
}
public virtual void ExecuteDataRules()
{
var pageViewData = ControllerContext.Controller.ViewData;
var site = PageRequestContext.Site.AsActual();
var page = PageRequestContext.Page.AsActual();
var dataRuleContext = new DataRuleContext(PageRequestContext.Site, PageRequestContext.Page)
{
ValueProvider = PageRequestContext.GetValueProvider()
};
if (page.DataRules != null)
{
DataRuleExecutor.Execute(pageViewData, dataRuleContext, page.DataRules);
}
var viewPositions = page.PagePositions.Where(it => it is ViewPosition).OrderBy(it => it.Order);
foreach (ViewPosition viewPosition in viewPositions)
{
var view = new Models.View(site, viewPosition.ViewName).LastVersion().AsActual();
if (view != null)
{
var positionViewData = (ViewDataDictionary)GetPositionViewData(viewPosition.PagePositionId).Merge(pageViewData);
var viewDataContext = new PagePositionContext(view, viewPosition.ToParameterDictionary(), positionViewData);
var dataRules = view.DataRules;
if (dataRules != null)
{
var valueProvider = PageRequestContext.GetValueProvider();
valueProvider.Insert(0, new ViewParameterValueProvider(viewDataContext.Parameters));
dataRuleContext.ValueProvider = valueProvider;
DataRuleExecutor.Execute(positionViewData, dataRuleContext, dataRules);
}
if (positionViewData.Model == null)
{
positionViewData.Model = positionViewData.Values.FirstOrDefault();
}
SetPositionViewData(viewPosition.PagePositionId, positionViewData);
}
}
}
