From 7b4db3afc14301af8278daa559ce0d551e4d0e33 Mon Sep 17 00:00:00 2001
From: Uwe Rathmann <Uwe.Rathmann@tigertal.de>
Date: Mon, 26 Feb 2024 12:16:56 +0100
Subject: [PATCH] wip

---
 playground/models/Window.cpp | 138 +++++++++++++++++++++--------------
 1 file changed, 85 insertions(+), 53 deletions(-)

diff --git a/playground/models/Window.cpp b/playground/models/Window.cpp
index 69e6f623..da39c508 100644
--- a/playground/models/Window.cpp
+++ b/playground/models/Window.cpp
@@ -21,19 +21,14 @@ namespace
         Model( QObject* parent = nullptr )
             : QStandardItemModel( 2, 2, parent )
         {
-            setValue( 0, 0, 1 );
-            setValue( 0, 1, "HELLO" );
+            initValue( 0, 0, 1 );
+            initValue( 0, 1, "HELLO" );
 
-            setValue( 1, 0, 2 );
-            setValue( 1, 1, "WORLD" );
+            initValue( 1, 0, 2 );
+            initValue( 1, 1, "WORLD" );
         }
 
-        void setValue( int row, int col, const QVariant& value )
-        {
-            setData( index( row, col ), value, Qt::EditRole );
-        }
-
-        void dump()
+        void dump() const
         {
             qDebug() << "Model";
             for ( int row = 0; row < rowCount(); row++ )
@@ -45,52 +40,89 @@ namespace
                 }
             }
         }
+
+      private:
+        void initValue( int row, int col, const QVariant& value )
+        {
+            setData( index( row, col ), value, Qt::EditRole );
+        }
+
+    };
+
+    class View : public QskLinearBox
+    {
+      public:
+        View( QQuickItem* parent = nullptr )
+            : QskLinearBox( Qt::Vertical, parent )
+        {
+            setPanel( true );
+
+            auto model = new Model( this );
+
+            auto textInput = new QskTextInput();
+            auto spinBox = new QskSpinBox( -100.0, +100.0, 1.0 );
+
+            m_binder = new QskModelObjectBinder( model, this );
+            m_binder->bindObject( spinBox, 0 );
+            m_binder->bindObject( textInput, 1 );
+
+            auto hBox = new QskLinearBox( Qt::Horizontal );
+            hBox->setSection( QskAspect::Header );
+            hBox->setSizePolicy( Qt::Vertical, QskSizePolicy::Fixed );
+
+            {
+                auto rowButton = new QskPushButton( "Toggle Row", hBox );
+                auto counterButton = new QskPushButton( "Invert Counter", hBox );
+                auto submitButton = new QskPushButton( "Submit Changes", hBox );
+
+                connect( rowButton, &QskPushButton::clicked,
+                    this, &View::toogleRow );
+
+                connect( counterButton, &QskPushButton::clicked,
+                    this, &View::invertCounter );
+
+                connect( submitButton, &QskPushButton::clicked,
+                    this, &View::updateModel );
+
+                hBox->addStretch( 1 );
+            }
+
+            addItem( hBox );
+            addSpacer( 5 );
+            addItem( spinBox );
+            addItem( textInput );
+            addStretch( 1 );
+        }
+
+      private:
+        void toogleRow()
+        {
+            m_binder->setCurrentRow( m_binder->currentRow() == 0 ? 1 : 0 );
+        }
+
+        void updateModel()
+        {
+            m_binder->submit();
+
+            const auto model = dynamic_cast< const Model* >( m_binder->model() );
+            model->dump();
+        }
+
+        void invertCounter()
+        {
+            auto model = m_binder->model();
+
+            const auto index = model->index( m_binder->currentRow(), 0 );
+
+            auto value = model->data( index, Qt::EditRole );
+            model->setData( index, -value.toDouble(), Qt::EditRole );
+        }
+
+        QskModelObjectBinder* m_binder;
     };
 }
 
 Window::Window()
 {
-    auto model = new Model( this );
-
-    auto textInput = new QskTextInput();
-    auto spinBox = new QskSpinBox();
-
-    auto mapper = new QskModelObjectBinder( model, this );
-
-    mapper->bindObject( spinBox, 0 );
-    mapper->bindObject( textInput, 1 );
-
-    auto vBox = new QskLinearBox( Qt::Vertical );
-    vBox->addSpacer( 0, 100 );
-    vBox->addItem( spinBox );
-    vBox->addItem( textInput );
-
-    addItem( vBox );
-
-    auto hBox = new QskLinearBox( Qt::Horizontal );
-
-    {
-        auto prev = new QskPushButton( "<", hBox );
-        auto next = new QskPushButton( ">", hBox);
-
-        connect(prev, &QskPushButton::clicked,
-            [ mapper ]() { mapper->setCurrentRow( 0 ); } );
-
-        connect( next, &QskPushButton::clicked,
-            [ mapper ]() { mapper->setCurrentRow( 1 ); } );
-
-        vBox->addItem( hBox );
-    }
-
-    // update the current record with the data from the SpinBox and TextInput
-    auto save = new QskPushButton( "Save Data to Model", vBox );
-    connect( save, &QskPushButton::clicked,
-        [ = ]() { mapper->submit(); model->dump(); } );
-
-    // trigger the binder and update the spinbox
-    auto set0 = new QskPushButton( "Set Model field to 42", vBox );
-    connect( set0, &QskPushButton::clicked,
-        [ = ]() { model->setValue( mapper->currentRow(), 0, 42 ); } );
-
-    vBox->addSpacer( 0, 100 );
+    addItem( new View() );
 }