#include "CustomCb.h"

#include <NsGui/IntegrationAPI.h>
#include <NsGui/Uri.h>
#include <NsCore/ReflectionImplement.h>

ViewModel::ViewModel()
	: m_elements(Noesis::MakePtr<Noesis::ObservableCollection<ViewModel::Element>>())
{
	m_elements->Add(Noesis::MakePtr<ViewModel::Element>());
}

CustomCb::CustomCb()
{
	Initialized() += MakeDelegate(this, &CustomCb::OnInitialized);
	InitializeComponent();

	m_viewModel = Noesis::MakePtr<ViewModel>();
}

void CustomCb::InitializeComponent()
{
	Noesis::GUI::LoadComponent(this, "Custom.xaml");
}

void CustomCb::OnInitialized(Noesis::BaseComponent*, const Noesis::EventArgs&)
{
	SetDataContext(m_viewModel);
}

void CustomCb::OnMouseLeftButtonDown(const Noesis::MouseButtonEventArgs&)
{
	m_viewModel->m_elements->Add(Noesis::MakePtr<ViewModel::Element>());
	for (int i = 0; i < m_viewModel->m_elements->Count(); ++i)
	{
		m_viewModel->m_elements->Get(i)->customEvent(this, Noesis::EventArgs::Empty);
	}
}

////////////////////////////////////////////////////////////////////////////////////////////////////

NS_BEGIN_COLD_REGION

NS_IMPLEMENT_REFLECTION(ViewModel::Element)
{
	NsEvent("CustomEvent", &Element::customEvent);
}

NS_IMPLEMENT_REFLECTION(ViewModel)
{
	NsProp("Elements", &ViewModel::GetElements);
}

NS_IMPLEMENT_REFLECTION_(CustomCb, "Custom")

NS_END_COLD_REGION

#pragma once

#include <NsCore/ReflectionDeclare.h>
#include <NsGui/ObservableCollection.h>
#include <NsGui/ContentControl.h>

class ViewModel final: public Noesis::BaseComponent
{
public:
	struct Element final : public Noesis::BaseComponent
	{
		Noesis::EventHandler customEvent;

		NS_DECLARE_REFLECTION(Element, BaseComponent)
	};

	ViewModel();

	Noesis::ObservableCollection<Element>* GetElements() const { return m_elements; }

	Noesis::Ptr<Noesis::ObservableCollection<Element>> m_elements;

	NS_DECLARE_REFLECTION(ViewModel, BaseComponent)
};

class CustomCb final : public Noesis::ContentControl
{
public:
	CustomCb();

private:
	void InitializeComponent();
	void OnInitialized(Noesis::BaseComponent*, const Noesis::EventArgs&);

	void OnMouseLeftButtonDown(const Noesis::MouseButtonEventArgs& e) override;

	Noesis::Ptr<ViewModel> m_viewModel;

	NS_DECLARE_REFLECTION(CustomCb, ContentControl)
};

<ContentControl x:Class="Custom"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:b="http://schemas.microsoft.com/xaml/behaviors"
    xmlns:noesis="clr-namespace:NoesisGUIExtensions;assembly=Noesis.GUI.Extensions">

    <Grid>
        <Grid.Resources>
            <ResourceDictionary>
                <DataTemplate x:Key="Element">
                    <Rectangle x:Name="Rectangle" Fill="White" Width="40" Height="40" Margin="20">
                        <Rectangle.Resources>
                            <Storyboard x:Key="CustomAnim">
                                <DoubleAnimation
                                    Storyboard.TargetName="Rectangle"
                                    Storyboard.TargetProperty="(Rectangle.Opacity)"
                                    BeginTime="0:0:0" From="0" To="1" Duration="0:0:1" />
                            </Storyboard>
                        </Rectangle.Resources>
                        <b:Interaction.Triggers>
                            <noesis:DataEventTrigger Source="{Binding}" EventName="CustomEvent">
                                <b:ControlStoryboardAction Storyboard="{StaticResource CustomAnim}" />
                            </noesis:DataEventTrigger>
                        </b:Interaction.Triggers>
                    </Rectangle>
                </DataTemplate>
            </ResourceDictionary>
        </Grid.Resources>
        <ItemsControl ItemsSource="{Binding Elements}" ItemTemplate="{StaticResource Element}" Focusable="False">
            <ItemsControl.ItemsPanel>
                <ItemsPanelTemplate>
                    <StackPanel Orientation="Horizontal" />
                </ItemsPanelTemplate>
            </ItemsControl.ItemsPanel>
        </ItemsControl>
    </Grid>
</ContentControl>