WIP

Perspex/Controls/Control.cs

@@ -212,8 +212,15 @@ namespace Perspex.Controls
             });
         }
 
-        protected DataTemplate FindDataTemplate(object content)
+        protected virtual DataTemplate FindDataTemplate(object content)
         {
+            IVisual visual = content as IVisual;
+
+            if (visual != null)
+            {
+                return new DataTemplate(_ => true, x => visual);
+            }
+
             ILogical node = this;
 
             while (node != null)

Perspex/Controls/HeaderedContentControl.cs

@@ -0,0 +1,43 @@
+// -----------------------------------------------------------------------
+// <copyright file="ContentControl.cs" company="Steven Kirk">
+// Copyright 2014 MIT Licence. See licence.md for more information.
+// </copyright>
+// -----------------------------------------------------------------------
+
+namespace Perspex.Controls
+{
+    using System;
+    using System.Collections.Generic;
+    using System.Linq;
+
+    public class HeaderedContentControl : ContentControl, ILogical, IHeadered
+    {
+        public static readonly PerspexProperty<object> HeaderProperty =
+            PerspexProperty.Register<ContentControl, object>("Header");
+
+        public object Header
+        {
+            get { return this.GetValue(HeaderProperty); }
+            set { this.SetValue(HeaderProperty, value); }
+        }
+
+        IEnumerable<ILogical> ILogical.LogicalChildren
+        {
+            get
+            {
+                ILogical logicalContent = this.Content as ILogical;
+                ILogical logicalHeader = this.Header as ILogical;
+
+                if (logicalContent != null)
+                {
+                    yield return logicalContent;
+                }
+
+                if (logicalHeader != null)
+                {
+                    yield return logicalHeader;
+                }
+            }
+        }
+    }
+}

Perspex/Controls/ItemsPresenter.cs

@@ -15,10 +15,10 @@ namespace Perspex.Controls
     public class ItemsPresenter : Control, IVisual
     {
         public static readonly PerspexProperty<IEnumerable> ItemsProperty =
-            PerspexProperty.Register<ItemsControl, IEnumerable>("Items");
+            PerspexProperty.Register<ItemsPresenter, IEnumerable>("Items");
 
         public static readonly PerspexProperty<ItemsPanelTemplate> ItemsPanelProperty =
-            PerspexProperty.Register<ItemsControl, ItemsPanelTemplate>("ItemsPanel");
+            PerspexProperty.Register<ItemsPresenter, ItemsPanelTemplate>("ItemsPanel");
 
         private Panel panel;
 

Perspex/Controls/Tab.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Perspex.Controls
+{
+    public class Tab : ContentControl
+    {
+    }
+}

Perspex/Controls/TabStrip.cs

@@ -0,0 +1,27 @@
+// -----------------------------------------------------------------------
+// <copyright file="TabStrip.cs" company="Steven Kirk">
+// Copyright 2014 MIT Licence. See licence.md for more information.
+// </copyright>
+// -----------------------------------------------------------------------
+
+namespace Perspex.Controls
+{
+    using System;
+    using System.Collections.Generic;
+    using System.Linq;
+
+    public class TabStrip : ItemsControl
+    {
+        private static readonly DataTemplate TabTemplate = new DataTemplate(_ => true, CreateTab);
+
+        protected override DataTemplate FindDataTemplate(object content)
+        {
+            return TabTemplate;
+        }
+
+        private static IVisual CreateTab(object o)
+        {
+            return new Tab { Content = o };
+        }
+    }
+}

Perspex/IHeadered.cs

@@ -0,0 +1,13 @@
+// -----------------------------------------------------------------------
+// <copyright file="IHeadered.cs" company="Steven Kirk">
+// Copyright 2014 MIT Licence. See licence.md for more information.
+// </copyright>
+// -----------------------------------------------------------------------
+
+namespace Perspex
+{
+    public interface IHeadered
+    {
+        object Header { get; set; }
+    }
+}

Perspex/Perspex.csproj

@@ -70,6 +70,9 @@
   <ItemGroup>
     <Compile Include="Application.cs" />
     <Compile Include="BindingExtensions.cs" />
+    <Compile Include="Controls\HeaderedContentControl.cs" />
+    <Compile Include="Controls\Tab.cs" />
+    <Compile Include="Controls\TabStrip.cs" />
     <Compile Include="Controls\ItemsPresenter.cs" />
     <Compile Include="Controls\ItemsPanelTemplate.cs" />
     <Compile Include="Controls\ItemsControl.cs" />
@@ -90,6 +93,7 @@
     <Compile Include="Controls\LogicalChildren.cs" />
     <Compile Include="Controls\Panel.cs" />
     <Compile Include="Controls\StackPanel.cs" />
+    <Compile Include="IHeadered.cs" />
     <Compile Include="Input\InputElement.cs" />
     <Compile Include="Input\IFocusManager.cs" />
     <Compile Include="Input\FocusManager.cs" />
@@ -128,6 +132,8 @@
     <Compile Include="Media\Stretch.cs" />
     <Compile Include="Themes\Default\ContentControlStyle.cs" />
     <Compile Include="Themes\Default\ItemsControlStyle.cs" />
+    <Compile Include="Themes\Default\TabStyle.cs" />
+    <Compile Include="Themes\Default\TabStripStyle.cs" />
     <Compile Include="Vector.cs" />
     <Compile Include="Rendering\RenderManager.cs" />
     <Compile Include="Rendering\IRenderManager.cs" />

Perspex/Themes/Default/DefaultTheme.cs

@@ -17,7 +17,8 @@ namespace Perspex.Themes.Default
             this.Add(new ContentControlStyle());
             this.Add(new ItemsControlStyle());
             this.Add(new TextBoxStyle());
-            this.Add(new ItemsControlStyle());
+            this.Add(new TabStyle());
+            this.Add(new TabStripStyle());
         }
     }
 }

Perspex/Themes/Default/ItemsControlStyle.cs

@@ -6,11 +6,8 @@
 
 namespace Perspex.Themes.Default
 {
-    using System;
     using System.Linq;
     using Perspex.Controls;
-    using Perspex.Media;
-    using Perspex.Shapes;
     using Perspex.Styling;
 
     public class ItemsControlStyle : Styles

Perspex/Themes/Default/TabStripStyle.cs

@@ -0,0 +1,39 @@
+// -----------------------------------------------------------------------
+// <copyright file="TabStripStyle.cs" company="Steven Kirk">
+// Copyright 2014 MIT Licence. See licence.md for more information.
+// </copyright>
+// -----------------------------------------------------------------------
+
+namespace Perspex.Themes.Default
+{
+    using System.Linq;
+    using Perspex.Controls;
+    using Perspex.Media;
+    using Perspex.Styling;
+
+    public class TabStripStyle : Styles
+    {
+        public TabStripStyle()
+        {
+            this.AddRange(new[]
+            {
+                new Style(x => x.OfType<TabStrip>())
+                {
+                    Setters = new[]
+                    {
+                        new Setter(Button.TemplateProperty, ControlTemplate.Create<TabStrip>(this.Template)),
+                    },
+                },
+            });
+        }
+
+        private Control Template(TabStrip control)
+        {
+            return new ItemsPresenter
+            {
+                ItemsPanel = new ItemsPanelTemplate(() => new StackPanel()),
+                [~ItemsPresenter.ItemsProperty] = control[~ItemsControl.ItemsProperty],
+            };
+        }
+    }
+}

Perspex/Themes/Default/TabStyle.cs

@@ -0,0 +1,42 @@
+// -----------------------------------------------------------------------
+// <copyright file="TabStyle.cs" company="Steven Kirk">
+// Copyright 2014 MIT Licence. See licence.md for more information.
+// </copyright>
+// -----------------------------------------------------------------------
+
+namespace Perspex.Themes.Default
+{
+    using System.Linq;
+    using Perspex.Controls;
+    using Perspex.Media;
+    using Perspex.Styling;
+
+    public class TabStyle : Styles
+    {
+        public TabStyle()
+        {
+            this.AddRange(new[]
+            {
+                new Style(x => x.OfType<Tab>())
+                {
+                    Setters = new[]
+                    {
+                        new Setter(Button.TemplateProperty, ControlTemplate.Create<Tab>(this.Template)),
+                    },
+                },
+            });
+        }
+
+        private Control Template(Tab control)
+        {
+            return new Border
+            {
+                Background = Brushes.Red,
+                Content = new ContentPresenter
+                {
+                    [~ContentPresenter.ContentProperty] = control[~Tab.ContentProperty],
+                }
+            };
+        }
+    }
+}

TestApplication/Program.cs

@@ -70,37 +70,13 @@ namespace TestApplication
                             Source = new Bitmap("github_icon.png"),
                             Width = 200,
                         },
-                        new ItemsControl
+                        new TabStrip
                         {
-                            DataTemplates = new DataTemplates
-                            {
-                                new DataTemplate<Item>(o => new Border
-                                {
-                                    Background = Brushes.Red,
-                                    BorderBrush = Brushes.Black,
-                                    BorderThickness = 1,
-                                    Content = new StackPanel
-                                    {
-                                        Orientation = Orientation.Vertical,
-                                        Children = new PerspexList<Control>
-                                        {
-                                            new TextBlock
-                                            {
-                                                Text = o.Name,
-                                            },
-                                            new TextBlock
-                                            {
-                                                Text = o.Value,
-                                            }
-                                        },
-                                    }
-                                }),
-                            },
                             Items = new[]
                             {
-                                new Item { Name = "Foo", Value = "Bar" },
-                                new Item { Name = "Buzz", Value = "Aldrin" },
-                            },
+                                "Foo",
+                                "Bar",
+                            }
                         }
                     }
                 }