private void BindTreeViews(ItemContainer container, IEnumerable <AttributeBinding <TreeSourceAttribute> > treesources, object viewModel, ViewBinder binder)
{
// We need to determine what property in the view model should be bound to this container
// First check for any content area attributes on the marked up properties
// Using the new attribute binding simplifies the linq in the next line
var altBindings = treesources.Select(isa => new AttributeBinding <ContentAreaAttribute>(isa.Property.GetCustomAttribute <ContentAreaAttribute>(), isa.Property));
// Now check to see which of those has a content area that matches the name of this container
var matchingBinding = altBindings.FirstOrDefault(ab => (string.IsNullOrWhiteSpace(container.ContentArea) && (ab.Attr == null || string.IsNullOrWhiteSpace(ab.Attr.ContentArea))) ||
(ab.Attr != null && container.ContentArea == ab.Attr.ContentArea));
// Switch back to dealing with the original attribute binding
var treeSource = treesources.FirstOrDefault(isa => isa.Property == matchingBinding.Property);
if (treeSource == null)
{
return;
}
var collection = treeSource.Property.GetValue(viewModel, null);
if (collection == null)
{
return;
}
var control = binder.ResolveControlBinding(typeof(TreeSourceAttribute));
if (control == null)
{
return;
}
container.Content = control;
control.CreateBinding("ItemsSource", treeSource.Property.Name);
// Now we need to get the template type of teh objects we're going to put inside the tree view
var templateType = collection.GetType().GetUnderlyingType();
var ptOverride = treeSource.Attr.ParentTemplateOverride;
var parentTemplate = binder.GetDataTemplateBinding(templateType, ptOverride ?? null);
var treeView = control as TreeView;
if (treeView != null)
{
treeView.ItemTemplate = parentTemplate.Template;
}
/// TODO: Make the child template stuff work appropriately without having to directly reference the child template from the parent template in XAML
/// see HierarchichalTemplates.xaml for the example
}
private void BindItemSources(ItemContainer container, IEnumerable <AttributeBinding <ItemsSourceAttribute> > itemsources, object viewModel, ViewBinder binder)
{
// We need to determine what property in the view model should be bound to this container
// First check for any content area attributes on the marked up properties
// Using the new attribute binding simplifies the linq in the next line
var altBindings = itemsources.Select(isa => new AttributeBinding <ContentAreaAttribute>(isa.Property.GetCustomAttribute <ContentAreaAttribute>(), isa.Property));
// Now check to see which of those has a content area that matches the name of this container
var matchingBinding = altBindings.FirstOrDefault(ab => (string.IsNullOrWhiteSpace(container.ContentArea) && (ab.Attr == null || string.IsNullOrWhiteSpace(ab.Attr.ContentArea))) ||
(ab.Attr != null && container.ContentArea == ab.Attr.ContentArea));
// Switch back to dealing with the original attribute binding
var itemsSource = itemsources.FirstOrDefault(isa => isa.Property == matchingBinding.Property);
if (itemsSource == null)
{
return;
}
var collection = itemsSource.Property.GetValue(viewModel, null);
if (collection == null)
{
return;
}
var control = binder.ResolveControlBinding(typeof(ItemsSourceAttribute));
if (control == null)
{
return;
}
container.Content = control;
// Get the template type of the object we're going to put inside the item container
var templateType = collection.GetType().GetUnderlyingType();
var template = itemsSource.Attr.Template;
var dataTemplate = binder.GetDataTemplateBinding(templateType, template);
if (dataTemplate != null)
{
(control as ItemsControl).ItemTemplate = dataTemplate.Template;
}
control.CreateBinding("ItemsSource", itemsSource.Property.Name);
}
