using Platform;
using Windows.UI.Xaml.Data;

namespace App1.Common
{
    /// <summary>
    /// Implementation of <see cref="INotifyPropertyChanged"/> to simplify models.
    /// </summary>
    [Windows.Foundation.Metadata.WebHostHidden]
    public abstract class BindableBase : Windows.UI.Xaml.DependencyObject, 
                                          Windows.UI.Xaml.Data.INotifyPropertyChanged, 
                                          Windows.UI.Xaml.Data.ICustomPropertyProvider
    {
        /// <summary>
        /// Multicast event for property change notifications.
        /// </summary>
        public virtual event PropertyChangedEventHandler PropertyChanged;

        // ICustomPropertyProvider
	public virtual Windows.UI.Xaml.Data.ICustomProperty GetCustomProperty(string name)
        {
            return null;
        }
		
        public virtual Windows.UI.Xaml.Data.ICustomProperty GetIndexedProperty(string name, Windows.UI.Xaml.Interop.TypeName type)
        {
            return null; 
        }
		
        public virtual string GetStringRepresentation()
        {
            return this.ToString();
        }

	public virtual Windows.UI.Xaml.Interop.TypeName Type
	{
		get { return this.GetType(); }
	}

        /// <summary>
        /// Notifies listeners that a property value has changed.
        /// </summary>
        /// <param name="propertyName">Name of the property used to notify listeners.
        protected void OnPropertyChanged(string propertyName)
        {
            this.PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
        }
    }
}

#pragma once

namespace App1
{
    namespace Common
    {
        [Windows::Foundation::Metadata::WebHostHidden]
        public ref class BindableBase: public Windows::UI::Xaml::DependencyObject, Windows::UI::Xaml::Data::INotifyPropertyChanged, Windows::UI::Xaml::Data::ICustomPropertyProvider
        {
            public: virtual event Windows::UI::Xaml::Data::PropertyChangedEventHandler^ PropertyChanged;
            public: virtual Windows::UI::Xaml::Data::ICustomProperty^ GetCustomProperty(Platform::String^ name);
            public: virtual Windows::UI::Xaml::Data::ICustomProperty^ GetIndexedProperty(Platform::String^ name, Windows::UI::Xaml::Interop::TypeName type);
            public: virtual Platform::String^ GetStringRepresentation();
            public: property Windows::UI::Xaml::Interop::TypeName Type
            {
                public: virtual Windows::UI::Xaml::Interop::TypeName get();
            };
            protected: void OnPropertyChanged(Platform::String^ propertyName);
        };
    }
}

#include "pch.h"
#include "BindableBase.h"

using namespace Platform;
using namespace Windows::UI::Xaml::Data;
using namespace App1::Common;

ICustomProperty^ BindableBase::GetCustomProperty(String^ name)
{
    return nullptr;
}

ICustomProperty^ BindableBase::GetIndexedProperty(String^ name, Windows::UI::Xaml::Interop::TypeName type)
{
    return nullptr;
}

String^ BindableBase::GetStringRepresentation()
{
    return this->ToString();
}

Windows::UI::Xaml::Interop::TypeName BindableBase::Type::get()
{
    return this->GetType();
}

void BindableBase::OnPropertyChanged(String^ propertyName)
{
    this->PropertyChanged(this, ref new PropertyChangedEventArgs(propertyName));
}