public virtual IViewModel BuildViewModel(Type type, IModel modelData, IContextModel contextModel = null)
{
IViewModel viewModel = null;
viewModel = _resolver.ResolveModel(type, modelData);
viewModel.ModelData = modelData;
ProcessViewModel(viewModel, type, contextModel);
return(viewModel);
}
public virtual IViewModel BuildViewModelByAttribute <T>(IModel modelData, IContextModel contextModel = null) where T : IModelAttribute
{
IViewModel result = null;
Type type = FindViewModelByAttribute <T>(modelData);
if (type != null)
{
_logger.Debug("Building ViewModel based on type " + type.FullName);
result = BuildViewModel(type, modelData, contextModel);
}
return(result);
}
public async Task <string> Transform(string content, string key, IContextModel model)
{
var html = Regex.Replace(content, @"^@page(\r\n|\r|\n)", "");
if (!string.IsNullOrEmpty(html))
{
html = await m_RazorEngine.CompileRenderStringAsync(
key, html, model);
}
return(html);
}
private void ProcessViewModel(IViewModel viewModel, Type type, IContextModel contextModel)
{
//PropertyInfo[] props = type.GetProperties();
var props = _resolver.GetModelProperties(type);
IPropertyAttribute propAttribute;
object propertyValue = null;
foreach (var prop in props)
{
propAttribute = prop.PropertyAttribute; //prop.GetCustomAttributes(typeof(FieldAttributeBase), true).FirstOrDefault() as FieldAttributeBase;
if (propAttribute != null) // this property is an IPropertyAttribute
{
IEnumerable values;
//ILinkablePropertyAttribute is implemented, we have to pass context data to property.
if (propAttribute is ILinkablePropertyAttribute)
{
values = ((ILinkablePropertyAttribute)propAttribute).GetPropertyValues(viewModel.ModelData, prop, this, contextModel); //delegate work to the Property Attribute object itself. Allows for custom attribute types to easily be added
}
else
{
values = propAttribute.GetPropertyValues(viewModel.ModelData, prop, this); //delegate work to the Property Attribute object itself. Allows for custom attribute types to easily be added
}
if (values != null)
{
try
{
propertyValue = GetPropertyValue(prop, values);
prop.Set(viewModel, propertyValue);
}
catch (Exception e)
{
if (e is TargetException || e is InvalidCastException)
{
throw new PropertyTypeMismatchException(prop, propAttribute, propertyValue);
}
else
{
throw e;
}
}
}
}
}
}
/// <summary>
/// Finds the root page from this data
/// </summary>
/// <param name="model">Context model</param>
/// <returns>Root page</returns>
/// <remarks>Menu's root page can be defined with root-page attribute specifying the url of the root page</remarks>
public static IContextPage GetRootPage(IContextModel model)
{
var rootPageUrl = model.Data.GetOrDefault <string>(ROOT_PAGE_ATT);
if (!string.IsNullOrEmpty(rootPageUrl))
{
var rootPage = PageHelper.GetAllPages(model.Site.MainPage).Prepend(model.Site.MainPage)
.FirstOrDefault(p => string.Equals(p.Url, rootPageUrl, StringComparison.CurrentCultureIgnoreCase));
if (rootPage != null)
{
return(rootPage);
}
else
{
throw new RootPageNotFoundException(rootPageUrl);
}
}
else
{
return(model.Site.MainPage);
}
}
public override IEnumerable GetPresentationValues(IList<IComponentPresentation> cps, IModelProperty property, IViewModelFactory factory, IContextModel contextModel)
{
return cps.Where(cp =>
{
bool result = false;
if (cp.ComponentTemplate != null && cp.ComponentTemplate.MetadataFields != null
&& cp.ComponentTemplate.MetadataFields.ContainsKey("region"))
{
var region = cp.ComponentTemplate.MetadataFields["region"].Values.Cast<string>().FirstOrDefault();
if (!string.IsNullOrEmpty(region) && region.Contains(Region))
{
result = true;
}
}
return result;
})
.Select(cp =>
{
object model = null;
if (ComplexTypeMapping != null)
{
model = factory.BuildMappedModel(cp, ComplexTypeMapping);
}
else model = factory.BuildViewModel(cp, contextModel);
return model;
});
}
public override IEnumerable GetPresentationValues(IList<IComponentPresentation> cps, IModelProperty property, IViewModelFactory factory, IContextModel contextModel)
{
return cps.Where(cp =>
{
bool result = false;
if (cp.ComponentTemplate != null && cp.ComponentTemplate.MetadataFields != null
&& cp.ComponentTemplate.MetadataFields.ContainsKey("view"))
{
var view = cp.ComponentTemplate.MetadataFields["view"].Values.FirstOrDefault();
if (view != null && view.StartsWith(ViewPrefix))
{
result = true;
}
}
return result;
})
.Select(cp =>
{
object model = null;
if (ComplexTypeMapping != null)
{
model = factory.BuildMappedModel(cp, ComplexTypeMapping);
}
else model = factory.BuildViewModel((cp));
return model;
});
}
public override IEnumerable GetPresentationValues(IList<IComponentPresentation> cps, IModelProperty property, IViewModelFactory factory, IContextModel contextModel)
{
return cps.Select(cp =>
{
object model = null;
if (ComplexTypeMapping != null)
{
model = factory.BuildMappedModel(cp, ComplexTypeMapping);
}
else model = factory.BuildViewModel((cp));
return model;
});
}
public IEnumerable GetPropertyValues(IModel modelData, IModelProperty property, IViewModelFactory builder, IContextModel contextModel)
{
_contextModel = contextModel;
return(base.GetPropertyValues(modelData, property, builder));
}
public DefaultContextResolver()
{
_contextModel = new ContextModel();
}
public override IEnumerable GetPresentationValues(IList <IComponentPresentation> cps, IModelProperty property, IViewModelFactory factory, IContextModel contextModel)
{
return(cps.Where(cp =>
{
bool result = false;
if (cp.ComponentTemplate != null && cp.ComponentTemplate.MetadataFields != null &&
cp.ComponentTemplate.MetadataFields.ContainsKey("region"))
{
var region = cp.ComponentTemplate.MetadataFields["region"].Values.Cast <string>().FirstOrDefault();
if (!string.IsNullOrEmpty(region) && region.Contains(Region))
{
result = true;
}
}
return result;
})
.Select(cp =>
{
object model = null;
if (ComplexTypeMapping != null)
{
model = factory.BuildMappedModel(cp, ComplexTypeMapping);
}
else
{
model = factory.BuildViewModel(cp, contextModel);
}
return model;
}));
}
//Really leaving the bulk of the work to implementer -- they must both find out if the CP matches this attribute and then construct an object with it /// <summary> /// When overriden in a derived class, this gets a set of values representing Component Presentations of a Page /// </summary> /// <param name="cps">Component Presentations for the Page Model</param> /// <param name="propertyType">Actual return type of the Property</param> /// <param name="factory">A View Model factory</param> /// <returns>The Property value</returns> public abstract IEnumerable GetPresentationValues(IList <IComponentPresentation> cps, IModelProperty property, IViewModelFactory factory, IContextModel contextModel);
public override IEnumerable GetPresentationValues(IList <IComponentPresentation> cps, IModelProperty property, IViewModelFactory factory, IContextModel contextModel)
{
return(cps.Select(cp =>
{
object model = null;
if (ComplexTypeMapping != null)
{
model = factory.BuildMappedModel(cp, ComplexTypeMapping);
}
else
{
model = factory.BuildViewModel((cp));
}
return model;
}));
}
public virtual IViewModel BuildViewModel(IModel modelData, IContextModel contextModel = null)
{
return(BuildViewModelByAttribute <IModelAttribute>(modelData, contextModel));
}
//Really leaving the bulk of the work to implementer -- they must both find out if the CP matches this attribute and then construct an object with it /// <summary> /// When overriden in a derived class, this gets a set of values representing Component Presentations of a Page /// </summary> /// <param name="cps">Component Presentations for the Page Model</param> /// <param name="propertyType">Actual return type of the Property</param> /// <param name="factory">A View Model factory</param> /// <returns>The Property value</returns> public abstract IEnumerable GetPresentationValues(IList<IComponentPresentation> cps, IModelProperty property, IViewModelFactory factory, IContextModel contextModel);
public override IEnumerable GetPresentationValues(IList <IComponentPresentation> cps, IModelProperty property, IViewModelFactory factory, IContextModel contextModel)
{
return(cps.Where(cp =>
{
bool result = false;
if (cp.ComponentTemplate != null && cp.ComponentTemplate.MetadataFields != null &&
cp.ComponentTemplate.MetadataFields.ContainsKey("view"))
{
var view = cp.ComponentTemplate.MetadataFields["view"].Values.FirstOrDefault();
if (view != null && view.StartsWith(ViewPrefix))
{
result = true;
}
}
return result;
})
.Select(cp =>
{
object model = null;
if (ComplexTypeMapping != null)
{
model = factory.BuildMappedModel(cp, ComplexTypeMapping);
}
else
{
model = factory.BuildViewModel((cp));
}
return model;
}));
}
public IEnumerable GetPropertyValues(IModel modelData, IModelProperty property, IViewModelFactory builder, IContextModel contextModel)
{
_contextModel = contextModel;
return base.GetPropertyValues(modelData, property, builder);
}
public DefaultContextResolver()
{
_contextModel = new ContextModel();
}
