/// <summary>
/// The method binds tags found in the template to property values of the dtoObject parameter.
/// <para>In order to bind, tag names must match the property names of the dtoObject (case-insensitive)</para>
/// <para>When a tag does not match any property in the dtoObject the missingPropertiesCallback Action</para>
/// <para>delegate is called passing in the tag as a parameter so it can be handled in the callback</para>
/// <para>This method handles resolving rooted path tags such as "@~/forums/@"</para>
/// </summary>
/// <param name="templateFile">The name of the Template File to Parse</param>
/// <param name="writer">The TextWriter of the current View</param>
/// <param name="dtoObject">An instance of a Dto Object/ViewModel object</param>
/// <param name="missingPropertiesCallback">A callback Action delegate that will handle any tags that did not match property names of the dtoObject</param>
protected void BindModelToTagsFromTemplate(string templateFile, TextWriter writer, object dtoObject, Action <string> missingPropertiesCallback = null)
{
ParseTemplate(templateFile, writer, tag =>
{
object propertyValueObj = DtoBinder.GetPropertyValue(dtoObject, tag);
if (propertyValueObj != null)
{
writer.Write(propertyValueObj);
}
else if (missingPropertiesCallback != null)
{
missingPropertiesCallback(tag);
}
});
}
protected T Bind <T>() where T : class, new()
{
Type type = typeof(T);
var nameValues = GetRequestNameValueCollection();
if (RequestBinder.Contains(type))
{
return((T)RequestBinder.GetBinder(type).Bind(nameValues, type));
}
else if (!type.IsValueType)
{
return(DtoBinder.CreateInstance <T>(nameValues));
}
else
{
return(default(T));
}
}
public static void Repeat <T>(BaseView view, TextWriter writer, string headerTemplate,
string itemTemplate, string footerTemplate, IEnumerable <T> model,
Action <string, T> missingPropertiesCallback = null)
{
if (model == null)
{
throw new ArgumentNullException("model");
}
Dictionary <string, PropertyInfo> properties = null;
if (model.First() != null)
{
properties = DtoBinder.GetPropertyInfos(model.First());
}
view.ParseTemplate(headerTemplate, writer, headerTag =>
{
if (String.CompareOrdinal(headerTag, ItemTemplateTag) == 0)
{
foreach (var item in model)
{
view.ParseTemplate(itemTemplate, writer, itemTag =>
{
if (properties.ContainsKey(itemTag))
{
var propInfo = properties[itemTag];
if (propInfo != null)
{
writer.Write(propInfo.GetValue(item, null));
}
}
else if (missingPropertiesCallback != null)
{
missingPropertiesCallback(itemTag, item);
}
});
}
}
else if (String.CompareOrdinal(headerTag, FooterTemplateTag) == 0)
{
view.ParseTemplate(footerTemplate, writer, footerTag =>
{
object propertyValueObj = DtoBinder.GetPropertyValue(view, footerTag);
if (propertyValueObj != null)
{
writer.Write(propertyValueObj);
}
else if (missingPropertiesCallback != null)
{
missingPropertiesCallback(footerTag, default(T));
}
});
}
else
{
object propertyValueObj = DtoBinder.GetPropertyValue(view, headerTag);
if (propertyValueObj != null)
{
writer.Write(propertyValueObj);
}
else if (missingPropertiesCallback != null)
{
missingPropertiesCallback(headerTag, default(T));
}
}
});
}