private static IRoot CreateViewEnumerableRoot(IRoot root)
{
IRoot newRoot = null;
Type elementType = root.ViewBinding.ElementType;
if (elementType == null)
elementType = typeof(RootElement);
newRoot = new RootElement() { Opaque = false, ViewBinding = root.ViewBinding };
IElement element = null;
var items = (IEnumerable)root.DataContext;
var section = new Section() { Opaque = false, ViewBinding = root.ViewBinding, Parent = newRoot as IElement };
newRoot.Sections.Add(section);
foreach (var e in items)
{
var caption = e.ToString();
if (string.IsNullOrEmpty(caption))
{
caption = MakeCaption(root.ViewBinding.ViewType.Name);
}
element = Activator.CreateInstance(elementType) as IElement;
((RootElement)element).Opaque = false;
element.Caption = caption;
element.ViewBinding.DataContextCode = DataContextCode.Object;
element.ViewBinding.ViewType = root.ViewBinding.ViewType;
element.ViewBinding.MemberInfo = root.ViewBinding.MemberInfo;
if (e is UIView)
element.ViewBinding.View = e as UIView;
else
element.DataContext = e;
if (element.ViewBinding.ViewType == null)
element.ViewBinding.ViewType = e.GetType();
section.Add(element);
}
ThemeHelper.ApplyElementTheme(root.Theme, newRoot, null);
return newRoot;
}
private IElement GetRootElementForMember(Theme theme, UIView view, MemberInfo member, List<Binding> bindings)
{
var memberType = GetTypeForMember(member);
var caption = GetCaption(member);
IElement root = null;
Type viewType = memberType;
Type elementType = null;
var genericType = memberType.GetGenericArguments().FirstOrDefault();
if (genericType != null)
viewType = genericType;
var listAttribute = member.GetCustomAttribute<ListAttribute>();
if (listAttribute != null && listAttribute.ViewType != null)
{
viewType = listAttribute.ViewType;
elementType = listAttribute.ElementType;
}
var rootAttribute = member.GetCustomAttribute<RootAttribute>();
if (rootAttribute != null && rootAttribute.ViewType != null)
{
viewType = rootAttribute.ViewType;
elementType = rootAttribute.ElementType;
}
var isEnum = memberType.IsEnum;
var isEnumCollection = typeof(EnumCollection).IsAssignableFrom(memberType);
var isMultiselect = member.GetCustomAttribute<MultiSelectionAttribute>() != null;
var isSelect = member.GetCustomAttribute<SelectionAttribute>() != null;
var isView = typeof(IView).IsAssignableFrom(memberType) || typeof(IView).IsAssignableFrom(viewType);
var isUIView = typeof(UIView).IsAssignableFrom(memberType) || typeof(UIView).IsAssignableFrom(viewType);
var isEnumerable = typeof(IEnumerable).IsAssignableFrom(memberType) && !(isView || isUIView);
var isList = member.GetCustomAttribute<ListAttribute>() != null;
if (isEnum || isEnumCollection || isMultiselect || isSelect)
{
ISection section = GetSectionElementForMember(theme, view, member, bindings);
if (!isList && section != null)
{
var rootElement = new RootElement() { section };
rootElement.Caption = caption;
rootElement.Opaque = false;
rootElement.Theme = Theme.CreateTheme(Root.Theme);
rootElement.ViewBinding = section.ViewBinding;
rootElement.Theme.CellStyle = GetCellStyle(member, UITableViewCellStyle.Value1);
root = rootElement;
}
else
{
root = section as IElement;
}
}
else if (isEnumerable)
{
var rootElement = CreateEnumerableRoot(theme, member, caption, view, bindings);
if (isList)
{
root = rootElement.Sections.FirstOrDefault() as IElement;
}
else
{
root = rootElement as IElement;
}
}
else if (isView || isUIView)
{
object dataContext = view;
MemberInfo dataContextMember = GetMemberFromDataContext(member, ref dataContext);
var items = dataContextMember.GetValue(dataContext);
var rootElement = new RootElement(caption) { Opaque = false };
rootElement.Theme = Theme.CreateTheme(Root.Theme);
rootElement.ViewBinding.MemberInfo = dataContextMember;
rootElement.ViewBinding.ElementType = elementType;
rootElement.ViewBinding.ViewType = viewType;
rootElement.ViewBinding.DataContextCode = DataContextCode.Object;
rootElement.DataContext = dataContext;
rootElement.Theme.CellStyle = GetCellStyle(member, UITableViewCellStyle.Default);
if (items != null)
{
if (items is UIView)
{
rootElement.ViewBinding.View = items as UIView;
}
else
{
rootElement.DataContext = items;
}
}
if (genericType != null)
{
SetDefaultConverter(view, member, "DataContext", new EnumerableConverter(), null, bindings);
rootElement.ViewBinding.DataContextCode = DataContextCode.ViewEnumerable;
rootElement.ViewBinding.ViewType = viewType;
}
if (isList)
{
var innerRoot = BindingContext.CreateRootedView(rootElement);
root = innerRoot as IElement;
}
else
{
root = rootElement;
}
}
else
{
throw new Exception(string.Format("Unknown type ({0}). Are you missing a [Root] or [List] attribute?", memberType));
}
SetDefaultConverter(view, member, "DataContext", new ViewConverter(), null, bindings);
return root;
}
private IRoot CreateEnumerableRoot(Theme theme, MemberInfo member, string caption, object view, List<Binding> bindings)
{
var rootAttribute = member.GetCustomAttribute<RootAttribute>();
var listAttribute = member.GetCustomAttribute<ListAttribute>();
var viewAttribute = member.GetCustomAttribute<ViewAttribute>();
Type elementType = listAttribute.ElementType;
if (elementType == null)
{
elementType = rootAttribute.ElementType;
}
SetDefaultConverter(view, member, "DataContext", new EnumerableConverter(), null, bindings);
var items = (IEnumerable)member.GetValue(view);
if (items == null)
throw new ArgumentNullException(member.Name, string.Format("Member of class {1} must have a value.", view.GetType().Name));
var genericType = items.GetType().GetGenericArguments().SingleOrDefault();
var isUIView = typeof(UIView).IsAssignableFrom(genericType);
var section = CreateEnumSection(theme, member, items, null, true, bindings);
var root = new RootElement(caption) { section };
root.Opaque = false;
root.ViewBinding.MemberInfo = member;
root.DataContext = items;
root.ViewBinding.DataContextCode = DataContextCode.Enumerable;
if (isUIView)
{
root.ViewBinding.ViewType = genericType;
root.ViewBinding.DataContextCode = DataContextCode.ViewEnumerable;
}
else if (viewAttribute != null && viewAttribute.ViewType != null)
{
root.ViewBinding.ViewType = viewAttribute.ViewType;
root.ViewBinding.DataContextCode = DataContextCode.ViewEnumerable;
}
if (rootAttribute != null && rootAttribute.ViewType != null)
{
root.ViewBinding.ViewType = rootAttribute.ViewType;
root.ViewBinding.DataContextCode = DataContextCode.ViewEnumerable;
}
if (listAttribute != null)
{
root.ViewBinding.ViewType = listAttribute.ViewType ?? root.ViewBinding.ViewType;
}
root.Theme.CellStyle = GetCellStyle(member, UITableViewCellStyle.Value1);
return root;
}
public void Selected(DialogViewController dvc, UITableView tableView, NSIndexPath path)
{
BindingContext bindingContext = null;
if (ViewBinding != null)
{
switch (ViewBinding.DataContextCode)
{
case DataContextCode.Object:
{
object view = ViewBinding.CurrentView;
if (view == null)
{
if (ViewBinding.DataContext != null && ViewBinding.DataContext is UIView)
{
view = ViewBinding.DataContext as UIView;
}
else if (ViewBinding.ViewType != null)
{
view = Activator.CreateInstance(ViewBinding.ViewType);
var dataContext = view as IDataContext;
if (dataContext != null)
{
if (dataContext.DataContext == null)
dataContext.DataContext = ViewBinding.DataContext;
var lifetime = dataContext.DataContext as ISupportInitialize;
if (lifetime != null)
lifetime.BeginInit();
lifetime = view as ISupportInitialize;
if (lifetime != null)
lifetime.BeginInit();
}
}
}
bindingContext = new BindingContext(view, Caption, Root.Theme);
var root = (RootElement)bindingContext.Root;
root.ActivateController(dvc, tableView, path);
return;
}
case DataContextCode.Enum: break;
case DataContextCode.EnumCollection: break;
case DataContextCode.Enumerable:
{
Sections.Clear();
IElement element = null;
var items = (IEnumerable)ViewBinding.DataContext;
var genericType = items.GetType().GetGenericArguments().SingleOrDefault();
if (genericType is IView)
{
Sections.Add(new Section());
foreach (var e in items)
{
element = new RootElement(e.ToString()) { ViewBinding = ViewBinding, Theme = Theme };
element.ViewBinding.DataContextCode = DataContextCode.Object;
Sections[0].Add(element);
}
}
else
{
var section = BindingContext.CreateEnumSection(this, items, null, true);
Sections.Add(section);
}
break;
}
}
}
ActivateController(dvc, tableView, path);
}
private static IRoot CreateViewEnumerableRoot(IRoot root)
{
IRoot newRoot = null;
Type elementType = root.ViewBinding.ElementType;
if (elementType == null)
{
elementType = typeof(RootElement);
}
newRoot = new RootElement()
{
Opaque = false, ViewBinding = root.ViewBinding
};
IElement element = null;
var items = (IEnumerable)root.DataContext;
var section = new Section()
{
Opaque = false, ViewBinding = root.ViewBinding, Parent = newRoot as IElement
};
newRoot.Sections.Add(section);
foreach (var e in items)
{
var caption = e.ToString();
if (string.IsNullOrEmpty(caption))
{
caption = root.ViewBinding.ViewType.Name.Capitalize();
}
element = Activator.CreateInstance(elementType) as IElement;
((RootElement)element).Opaque = false;
element.Caption = caption;
element.ViewBinding.DataContextCode = DataContextCode.Object;
element.ViewBinding.ViewType = root.ViewBinding.ViewType;
element.ViewBinding.MemberInfo = root.ViewBinding.MemberInfo;
if (e is UIView)
{
element.ViewBinding.View = e as UIView;
}
else
{
element.DataContext = e;
}
if (element.ViewBinding.ViewType == null)
{
element.ViewBinding.ViewType = e.GetType();
}
section.Add(element);
}
ThemeHelper.ApplyElementTheme(root.Theme, newRoot, null);
return(newRoot);
}
public IElement CreateEnumerableRoot(MemberInfo member, string caption, object view, List<Binding> bindings)
{
SetDefaultConverter(member, "Value", new EnumerableConverter(), bindings);
var rootAttribute = member.GetCustomAttribute<RootAttribute>();
var listAttribute = member.GetCustomAttribute<ListAttribute>();
var items = (IEnumerable)GetValue(member, view);
var element = new RootElement(caption);
element.ViewBinding.DataContext = view;
element.ViewBinding.MemberInfo = member;
element.ViewBinding.DataContext = items;
element.ViewBinding.DataContextCode = DataContextCode.Enumerable;
var dataTemplate = view as IDataTemplate;
if (dataTemplate != null)
{
rootAttribute = dataTemplate.CustomAttributes.FirstOrDefault((o)=>o.GetType() == typeof(RootAttribute)) as RootAttribute;
listAttribute = dataTemplate.CustomAttributes.FirstOrDefault((o)=>o.GetType() == typeof(ListAttribute)) as ListAttribute;
}
if (rootAttribute != null)
{
element.ViewBinding.ViewType = rootAttribute.ViewType;
}
if (listAttribute != null)
{
element.ViewBinding.ViewType = listAttribute.ViewType ?? element.ViewBinding.ViewType;
}
if (element.ViewBinding.ViewType != null)
{
dataTemplate = new StandardListView() { Items = items };
List<object> customAttributes = new List<object>(member.GetCustomAttributes(false));
var propertyInfo = dataTemplate.GetType().GetProperty("Items");
var itemAttributes = propertyInfo.GetCustomAttributes(false);
customAttributes.AddRange(itemAttributes);
dataTemplate.CustomAttributes = customAttributes;
element.ViewBinding.DataContext = dataTemplate;
element.ViewBinding.DataContextCode = DataContextCode.Object;
element.ViewBinding.MemberInfo = propertyInfo;
}
element.Theme.CellStyle = GetCellStyle(member, UITableViewCellStyle.Default);
return element;
}
public IElement CreateEnumCollectionRoot(MemberInfo member, string caption, object view, List<Binding> bindings)
{
Type memberType = GetTypeForMember(member);
SetDefaultConverter(member, "Value", new EnumItemsConverter(), bindings);
var csection = new Section() { IsMultiselect = true, Opaque = false };
ApplyRootTheme(view, csection);
var collection = GetValue(member, view);
if (collection == null)
{
var collectionType = typeof(EnumCollection<>);
var enumType = memberType.GetGenericArguments()[0];
Type[] generic = { enumType };
collection = Activator.CreateInstance(collectionType.MakeGenericType(generic));
(member as PropertyInfo).SetValue(view, collection, new object[] {});
}
var index = 0;
var items = (EnumCollection)collection;
foreach (var item in items.AllValues)
{
var checkboxElement = new CheckboxElement(item.Description) { Index = index, Value = item.IsChecked, Group = item.GroupName};
ApplyRootTheme(view, checkboxElement);
csection.Add(checkboxElement);
index++;
}
var element = new RootElement(caption) { csection };
element.ViewBinding.DataContextCode = DataContextCode.EnumCollection;
element.Theme.CellStyle = UITableViewCellStyle.Value1;
return element;
}
public IElement CreateEnumRoot(MemberInfo member, string caption, object view, List<Binding> bindings)
{
Type memberType = GetTypeForMember(member);
var currentValue = (int)member.GetValue(view);
SetDefaultConverter(member, "Value", new EnumConverter() { PropertyType = memberType }, bindings);
var pop = member.GetCustomAttribute<PopOnSelectionAttribute>() != null;
var enumValues = Enum.GetValues(memberType);
var csection = CreateEnumSection(Root, enumValues, currentValue, pop);
var element = new RootElement(caption) { csection };
element.Caption = caption;
element.ViewBinding.DataContext = memberType;
element.ViewBinding.DataContextCode = DataContextCode.Enum;
element.Opaque = false;
element.Theme = Theme.CreateTheme(Root.Theme);
element.Theme.CellStyle = UITableViewCellStyle.Value1;
var radioGroup = new RadioGroup(memberType.FullName, currentValue) { EnumType = memberType };
((IRoot)element).Groups.Add(radioGroup);
return element;
}
private IElement GetElementForMember(object view, MemberInfo member)
{
string caption = null;
IElement element = null;
var bindings = new List<Binding>();
var captionAttribute = member.GetCustomAttribute<CaptionAttribute>();
var orderAttribute = member.GetCustomAttribute<OrderAttribute>();
var bindAttributes = member.GetCustomAttributes(typeof(BindAttribute), false);
var memberDataContext = view;
if(captionAttribute != null)
caption = captionAttribute.Caption;
else
caption = MakeCaption(member.Name);
Type memberType = GetTypeForMember(member);
if (!(member is MethodInfo))
{
var defaultValue = member.GetCustomAttribute<DefaultValueAttribute>();
if (defaultValue != null)
{
var propertyInfo = member as PropertyInfo;
var fieldInfo = member as FieldInfo;
if (propertyInfo != null && propertyInfo.CanWrite)
{
propertyInfo.SetValue(view, defaultValue.Value, null);
}
if (fieldInfo != null)
{
fieldInfo.SetValue(view, defaultValue.Value);
}
}
foreach (BindAttribute bindAttribute in bindAttributes)
{
bindings.Add(bindAttribute.Binding);
}
var valueBinding = bindings.Where((b)=>b.TargetPath == "Value").FirstOrDefault() != null;
if (!valueBinding)
{
bindings.Add(new Binding(member.Name, null));
}
foreach(var binding in bindings)
{
if (string.IsNullOrEmpty(binding.SourcePath))
{
binding.SourcePath = member.Name;
}
var sourceDataContext = memberDataContext;
binding.Source = sourceDataContext;
}
}
if(_ElementPropertyMap.ContainsKey(memberType))
{
element = _ElementPropertyMap[memberType](member, caption, view, bindings);
}
else if (memberType.IsEnum)
{
element = CreateEnumRoot(member, caption, memberDataContext, bindings);
}
else if (typeof(EnumCollection).IsAssignableFrom(memberType))
{
element = CreateEnumCollectionRoot(member, caption, memberDataContext, bindings);
}
else if (typeof(IEnumerable).IsAssignableFrom(memberType) && !typeof(IView).IsAssignableFrom(memberType))
{
element = CreateEnumerableRoot(member, caption, memberDataContext, bindings);
}
else
{
element = new RootElement() { };
SetDefaultConverter(member, "Value", new ViewConverter(), bindings);
var nested = GetValue(member, view) as UIView;
if (nested != null)
{
element.ViewBinding.DataContext = view;
element.ViewBinding.View = nested;
}
var viewAttribute = member.GetCustomAttribute<ViewAttribute>();
if (viewAttribute != null && viewAttribute.ViewType != null)
element.ViewBinding.ViewType = viewAttribute.ViewType;
else
element.ViewBinding.ViewType = memberType;
element.ViewBinding.MemberInfo = member;
element.Caption = caption;
element.Theme.CellStyle = GetCellStyle(member, UITableViewCellStyle.Default);
}
if (orderAttribute != null && element != null)
element.Order = orderAttribute.Order;
var bindable = element as IBindable;
if (bindable != null && bindings.Count != 0)
{
foreach (Binding binding in bindings)
{
if (binding.TargetPath == null)
{
binding.TargetPath = "Value";
}
BindingOperations.SetBinding(bindable, binding.TargetPath, binding);
}
}
return element;
}
private List<ISection> CreateSectionList(object view, IRoot root)
{
var memberFuncMap = new List<Func<object, MemberInfo[]>>()
{
(T)=>GetFields(T),
(T)=>GetProperties(T),
(T)=>GetMethods(T)
};
ISection lastSection = new Section() { Order = -1, Parent = root as IElement };
var sectionList = new List<ISection>() { lastSection };
IElement newElement = null;
Theme theme = null;
var themeable = root as IThemeable;
if (themeable != null)
{
ApplyRootTheme(view, themeable);
theme = themeable.Theme;
ApplyElementTheme(theme, lastSection, null);
}
foreach(var memberFunc in memberFuncMap)
{
var members = memberFunc(view);
foreach (var member in members)
{
var pullToRefreshAttribute = member.GetCustomAttribute<PullToRefreshAttribute>();
if (pullToRefreshAttribute != null)
{
root.PullToRefreshCommand = GetCommandForMember(view, member);
root.DefaultSettingsKey = pullToRefreshAttribute.SettingsKey;
}
var skipAttribute = member.GetCustomAttribute<SkipAttribute>(true);
if (skipAttribute != null) continue;
var inline = member.GetCustomAttribute<InlineAttribute>() != null;
// var isRoot = member.GetCustomAttribute<RootAttribute>() != null;
var listAttribute = member.GetCustomAttribute<ListAttribute>();
var isList = listAttribute != null;
var sectionAttribute = member.GetCustomAttribute<SectionAttribute>();
if (sectionAttribute != null)
{
Theme sectionTheme = null;
if (sectionAttribute.ThemeType != null)
sectionTheme = Activator.CreateInstance(sectionAttribute.ThemeType) as Theme;
lastSection = new Section(sectionAttribute.Caption, sectionAttribute.Footer) { Order = sectionAttribute.Order };
lastSection.Parent = root as IElement;
ApplyElementTheme(root.Theme, lastSection, null);
ApplyElementTheme(sectionTheme, lastSection, null);
sectionList.Add(lastSection);
}
newElement = GetElementForMember(view, member);
if(newElement != null)
{
newElement.Theme.MergeTheme(root.Theme);
ApplyElementTheme(root.Theme, newElement, member);
//var context = newElement as IView;
// var displayInline = (inline || !isRoot) && newElement is IRoot; //&& context != null;
if (isList)
{
var newRoot = newElement as IRoot;
Type viewType = newRoot.ViewBinding.ViewType ?? listAttribute.ViewType;
string caption = null;
if (!(view is IDataTemplate))
caption = newElement.Caption;
lastSection = new Section(caption,null) { };
lastSection.Parent = root as IElement;
ApplyElementTheme(root.Theme, lastSection, null);
sectionList.Add(lastSection);
IEnumerable datacontext = null;
if (view is IDataTemplate)
datacontext = ((IDataTemplate)view).Items;
else
datacontext = (IEnumerable)GetValue(member, view);
foreach (var e in datacontext)
{
IElement element = null;
if (e is IViewModel)
{
element = new RootElement(e.ToString());
element.ViewBinding.ViewType = viewType;
element.ViewBinding.DataContext = e;
((IRoot)element).Theme = Theme.CreateTheme(root.Theme);
element.Theme = ((IRoot)element).Theme;
if (listAttribute.ThemeType != null)
{
var listTheme = Activator.CreateInstance(listAttribute.ThemeType) as Theme;
var rootTheme = Theme.CreateTheme(((IRoot)element).Theme);
rootTheme.MergeTheme(listTheme);
((IRoot)element).Theme = rootTheme;
}
}
else
{
element = new RadioElement(e.ToString());
element.Theme = ((IRoot)element).Theme;
}
lastSection.Add(element);
}
}
else if (inline)
{
var inlineSection = new Section(string.Empty, null) { };
ApplyElementTheme(newElement.Theme, inlineSection, null);
inlineSection.Parent = root as IElement;
sectionList.Add(inlineSection);
IRoot inlineRoot = newElement as IRoot;
if (newElement.ViewBinding.DataContextCode == DataContextCode.Object)
{
var bindingContext = new BindingContext(newElement.ViewBinding.CurrentView, newElement.Caption, newElement.Theme);
inlineRoot = bindingContext.Root;
}
inlineSection.Caption = newElement.Caption;
foreach(var element in inlineRoot.Sections[0].Elements)
inlineSection.Add(element);
//root.Groups.Add(inlineRoot.Groups[0]);
}
else
{
lastSection.Add(newElement);
}
}
}
}
foreach (var section in sectionList)
{
var orderedList = section.Elements.OrderBy(e=>e.Order).ToList();
section.Elements = orderedList;
}
var orderedSections = sectionList.Where(s=>s.Elements.Count > 0).OrderBy(section=>section.Order).ToList();
return orderedSections;
}
