From b0d23b4ee915d81e52eba9d612c2397b2c68f989 Mon Sep 17 00:00:00 2001
From: nieznanysprawiciel <nieznany.sprawiciel@gmail.com>
Date: Wed, 13 Nov 2024 16:42:35 +0100
Subject: [PATCH] Binding Text to time counter

---
 .../TextShowcase/TextShowcase.vcxproj         |  1 +
 swGUI/Prototypes/TextShowcase/Application.cpp | 22 ++++++++++++--
 swGUI/Prototypes/TextShowcase/Application.h   | 29 +++++++++++++++++++
 swGUI/Prototypes/TextShowcase/ViewModel.cpp   | 20 +++++++++++++
 4 files changed, 70 insertions(+), 2 deletions(-)
 create mode 100644 swGUI/Prototypes/TextShowcase/ViewModel.cpp

diff --git a/swGUI/ProjectDir/Visual2015/Prototypes/TextShowcase/TextShowcase.vcxproj b/swGUI/ProjectDir/Visual2015/Prototypes/TextShowcase/TextShowcase.vcxproj
index fa2c8b43..2846d3f1 100644
--- a/swGUI/ProjectDir/Visual2015/Prototypes/TextShowcase/TextShowcase.vcxproj
+++ b/swGUI/ProjectDir/Visual2015/Prototypes/TextShowcase/TextShowcase.vcxproj
@@ -158,6 +158,7 @@
     <ClCompile Include="..\..\..\..\Prototypes\TextShowcase\Application.cpp" />
     <ClCompile Include="..\..\..\..\Prototypes\TextShowcase\main.cpp" />
     <ClCompile Include="..\..\..\..\Prototypes\TextShowcase\PrototyperUtils.cpp" />
+    <ClCompile Include="..\..\..\..\Prototypes\TextShowcase\ViewModel.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\..\..\Prototypes\TextShowcase\Application.h" />
diff --git a/swGUI/Prototypes/TextShowcase/Application.cpp b/swGUI/Prototypes/TextShowcase/Application.cpp
index 3cf43ac5..4d4fe1c4 100644
--- a/swGUI/Prototypes/TextShowcase/Application.cpp
+++ b/swGUI/Prototypes/TextShowcase/Application.cpp
@@ -10,6 +10,7 @@
 #include "swGUI/Core/Media/Brushes/ImageBrush.h"
 
 #include "swGUI/Core/Media/Colors.h"
+#include "swCommonLib/Common/Logging/Logger.h"
 
 #include "PrototyperUtils.h"
 
@@ -51,7 +52,7 @@ TextBlock*  AddText			( HostWindow* host, BrushPtr brush, BrushPtr pen, float wi
 
 // ================================ //
 //
-void		AddControls						( HostWindow* host )
+void		Application::AddControls						( HostWindow* host )
 {
     {
         auto background = std::make_shared< SolidColorBrush >( Colors::Transparent );
@@ -87,6 +88,20 @@ void		AddControls						( HostWindow* host )
         textBlock->SetFontSize( 80 );
     }
 
+    {
+        auto pen = std::make_shared< SolidColorBrush >( Colors::BurlyWood );
+        auto background = std::make_shared< SolidColorBrush >( Colors::Transparent );
+        auto textBlock = AddText( host, background, pen, 300, 100, Position( 350, 350 ), L"" );
+        textBlock->SetTextAlignment( sw::TextAlignment::Justify );
+        textBlock->SetFontSize( 60 );
+        textBlock->SetDataContext( &m_viewModel );
+
+        auto binding = Binding::Create( "Text", textBlock, "TimeCounter", BindingMode::TwoWay );
+        auto result = textBlock->AddBinding( binding );
+        if( !result.IsValid() )
+            LOG_ERROR( fmt::format( "Binding failed: {}", result.GetErrorReason() ) );
+    }
+
 
     {
         auto background = std::make_shared< ImageBrush >();
@@ -135,6 +150,7 @@ void		AddControls						( HostWindow* host )
 //
 Application::Application	( int argc, char** argv, sw::gui::INativeGUI* gui )
 	:	sw::gui::GUISystem( argc, argv, gui )
+    ,   m_viewModel( ViewModel() )
 {}
 
 
@@ -180,4 +196,6 @@ void		Application::OnClosing()
 
 /**@brief */
 void		Application::OnIdle( const sw::gui::FrameTime& frameTime )
-{ }
+{
+    m_viewModel.SetTimeCounter( std::to_wstring( frameTime.Time ) );
+}
diff --git a/swGUI/Prototypes/TextShowcase/Application.h b/swGUI/Prototypes/TextShowcase/Application.h
index 16f033b8..538cf74a 100644
--- a/swGUI/Prototypes/TextShowcase/Application.h
+++ b/swGUI/Prototypes/TextShowcase/Application.h
@@ -7,8 +7,32 @@
 
 
 #include "swGUI/Core/System/GUISystem.h"
+#include "swGUI/Core/System/DataBinding/DependencyObject.h"
+#include "swGUI/Core/System/DataBinding/DependencyProperty.h"
 
 
+/**@brief View of content that will be bound as DataContext to present information.*/
+class ViewModel : public sw::gui::DependencyObject
+{
+    RTTR_ENABLE( sw::gui::DependencyObject )
+    RTTR_REGISTRATION_FRIEND
+
+private:
+    static sw::gui::DependencyProperty sTimeCounter;
+
+private:
+
+    std::wstring m_timeCounter;
+
+public:
+
+    explicit ViewModel() = default;
+
+    const std::wstring&     GetTimeCounter() const { return m_timeCounter; }
+    void                    SetTimeCounter( const std::wstring& value ) { SetValue( sTimeCounter, value, &ViewModel::m_timeCounter ); }
+
+};
+
 
 /**@brief Application template class.
 
@@ -17,6 +41,9 @@ class Application : public sw::gui::GUISystem
 {
 private:
 protected:
+
+    ViewModel   m_viewModel;
+
 public:
 	explicit	Application		( int argc, char** argv, sw::gui::INativeGUI* gui );
 				~Application	() = default;
@@ -30,5 +57,7 @@ class Application : public sw::gui::GUISystem
 
     sw::ReturnResult            OverridePaths	();
 
+    void                        AddControls     ( sw::gui::HostWindow* host );
+
 };
 
diff --git a/swGUI/Prototypes/TextShowcase/ViewModel.cpp b/swGUI/Prototypes/TextShowcase/ViewModel.cpp
new file mode 100644
index 00000000..35287953
--- /dev/null
+++ b/swGUI/Prototypes/TextShowcase/ViewModel.cpp
@@ -0,0 +1,20 @@
+/**
+@file ViewModel.cpp
+@author nieznanysprawiciel
+@copyright File is part of Sleeping Wombat Libraries.
+*/
+
+#include "Application.h"
+
+
+RTTR_REGISTRATION
+{
+    rttr::registration::class_< ViewModel >( "ViewModel" )
+        .property( "TimeCounter", &ViewModel::GetTimeCounter, &ViewModel::SetTimeCounter );
+}
+
+
+using namespace sw::gui;
+
+
+DependencyProperty ViewModel::sTimeCounter = DependencyProperty::Register( "TimeCounter", TypeID::get< ViewModel >() );