/// <summary>
/// Binds placeholders' content to the related properties on a template definition
/// </summary>
/// <param name="template">The template.</param>
/// <param name="pageContentToRender">The page rendering job.</param>
/// <param name="placeholderProperties">The placeholder properties.</param>
/// <param name="functionContextContainer">The function context container, if not null, nested functions fill be evaluated.</param>
public static void BindPlaceholders(IPageTemplate template,
PageContentToRender pageContentToRender,
IDictionary <string, PropertyInfo> placeholderProperties,
FunctionContextContainer functionContextContainer)
{
Verify.ArgumentNotNull(template, "template");
Verify.ArgumentNotNull(pageContentToRender, "pageContentToRender");
Verify.ArgumentNotNull(placeholderProperties, "placeholderProperties");
foreach (var placeholderContent in pageContentToRender.Contents)
{
string placeholderId = placeholderContent.PlaceHolderId;
if (!placeholderProperties.ContainsKey(placeholderId))
{
continue;
}
XhtmlDocument placeholderXhtml = PageRenderer.ParsePlaceholderContent(placeholderContent);
if (functionContextContainer != null)
{
using (Profiler.Measure("Evaluating placeholder '{0}'".FormatWith(placeholderId)))
{
PageRenderer.ExecuteEmbeddedFunctions(placeholderXhtml.Root, functionContextContainer);
}
PageRenderer.NormalizeXhtmlDocument(placeholderXhtml);
}
PageRenderer.ResolveRelativePaths(placeholderXhtml);
PropertyInfo property = placeholderProperties[placeholderId];
if (!property.ReflectedType.IsAssignableFrom(template.GetType()))
{
string propertyName = property.Name;
property = template.GetType().GetProperty(property.Name);
Verify.IsNotNull(property, "Failed to find placeholder property '{0}'", propertyName);
}
property.SetValue(template, placeholderXhtml, new object[0]);
}
}
/// <summary>
/// Binds placeholders' content to the related properties on a template definition
/// </summary>
/// <param name="template">The template.</param>
/// <param name="pageContentToRender">The page rendering job.</param>
/// <param name="placeholderProperties">The placeholder properties.</param>
/// <param name="functionContextContainer">The function context container, if not null, nested functions fill be evaluated.</param>
public static void BindPlaceholders(IPageTemplate template,
PageContentToRender pageContentToRender,
IDictionary <string, PropertyInfo> placeholderProperties,
FunctionContextContainer functionContextContainer)
{
Verify.ArgumentNotNull(template, "template");
Verify.ArgumentNotNull(pageContentToRender, "pageContentToRender");
Verify.ArgumentNotNull(placeholderProperties, "placeholderProperties");
foreach (var placeholderContent in pageContentToRender.Contents)
{
string placeholderId = placeholderContent.PlaceHolderId;
if (!placeholderProperties.ContainsKey(placeholderId))
{
continue;
}
XhtmlDocument placeholderXhtml = PageRenderer.ParsePlaceholderContent(placeholderContent);
if (functionContextContainer != null)
{
bool allFunctionsExecuted;
using (Profiler.Measure($"Evaluating placeholder '{placeholderId}'"))
{
allFunctionsExecuted = PageRenderer.ExecuteCacheableFunctions(placeholderXhtml.Root, functionContextContainer);
}
if (allFunctionsExecuted)
{
using (Profiler.Measure("Normalizing XHTML document"))
{
PageRenderer.NormalizeXhtmlDocument(placeholderXhtml);
}
}
}
PageRenderer.ResolveRelativePaths(placeholderXhtml);
PropertyInfo property = placeholderProperties[placeholderId];
if (!property.ReflectedType.IsInstanceOfType(template))
{
string propertyName = property.Name;
property = template.GetType().GetProperty(property.Name);
Verify.IsNotNull(property, "Failed to find placeholder property '{0}'", propertyName);
}
property.SetValue(template, placeholderXhtml);
}
}
/// <summary>
/// Builds a page template descriptor. Extracts template's properties and content placeholder properties.
/// </summary>
/// <param name="templateDefinition">The template definition.</param>
/// <param name="descriptorConstructor">The descriptor constructor.</param>
/// <param name="placeholderProperties">The placeholder properties.</param>
/// <returns></returns>
public static DescriptorType BuildPageTemplateDescriptor <DescriptorType>(IPageTemplate templateDefinition,
Func <DescriptorType> descriptorConstructor,
out IDictionary <string, PropertyInfo> placeholderProperties)
where DescriptorType : PageTemplateDescriptor
{
Verify.ArgumentNotNull(templateDefinition, "templateDefinition");
Verify.ArgumentNotNull(descriptorConstructor, "descriptorConstructor");
DescriptorType pageTemplate = descriptorConstructor();
Verify.ArgumentCondition(pageTemplate != null, "descriptorConstructor", "Not null object expected");
if (templateDefinition.TemplateId == null || templateDefinition.TemplateId == Guid.Empty)
{
throw new InvalidOperationException("TemplateId has not been correctly defined");
}
pageTemplate.Id = templateDefinition.TemplateId;
pageTemplate.Title = templateDefinition.TemplateTitle;
string defaultPlaceholderId = null;
var placeholders = new List <PlaceholderDescriptor>();
placeholderProperties = new Dictionary <string, PropertyInfo>();
var type = templateDefinition.GetType();
while (type.GetInterfaces().Contains(typeof(IPageTemplate)))
{
foreach (var property in type.GetProperties())
{
if (property.ReflectedType != property.DeclaringType)
{
continue;
}
var placeholderAttributes = property.GetCustomAttributes(typeof(PlaceholderAttribute), true);
if (placeholderAttributes.Length == 0)
{
continue;
}
Verify.That(placeholderAttributes.Length == 1, "Multiple '{0}' attributes defined on property", typeof(PlaceholderAttribute), property.Name);
var placeholderAttribute = (PlaceholderAttribute)placeholderAttributes[0];
string placeholderId = placeholderAttribute.Id ?? property.Name;
string placeholderLabel = placeholderAttribute.Title ?? property.Name;
if (placeholderProperties.ContainsKey(placeholderId))
{
throw new InvalidOperationException("Placeholder '{0}' defined multiple times".FormatWith(placeholderId));
}
var containerClasses = ContainerClassManager.ParseToList(placeholderAttribute.ContainerClasses).ToList();
placeholderProperties.Add(placeholderId, property);
placeholders.Add(new PlaceholderDescriptor {
Id = placeholderId, Title = placeholderLabel, ContainerClasses = containerClasses
});
if (placeholderAttribute.IsDefault)
{
Verify.IsNull(defaultPlaceholderId, "More than one placeholder is marked as default");
defaultPlaceholderId = placeholderId;
}
}
type = type.BaseType;
}
if (defaultPlaceholderId == null && placeholders.Any())
{
defaultPlaceholderId = placeholders.First().Id;
}
pageTemplate.DefaultPlaceholderId = defaultPlaceholderId;
pageTemplate.PlaceholderDescriptions = placeholders;
return(pageTemplate);
}
