Index: Core/Plugins/src/Core.Plugins.DotSpatial/Commands/ToggleMapLegendViewCommand.cs
===================================================================
diff -u
--- Core/Plugins/src/Core.Plugins.DotSpatial/Commands/ToggleMapLegendViewCommand.cs	(revision 0)
+++ Core/Plugins/src/Core.Plugins.DotSpatial/Commands/ToggleMapLegendViewCommand.cs	(revision 6522a9f7396e770f8ecdcfda59c0966a86f6fb23)
@@ -0,0 +1,64 @@
+// Copyright (C) Stichting Deltares 2016. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of 
+// Stichting Deltares and remain full property of Stichting Deltares at all times. 
+// All rights reserved.
+
+using Core.Common.Controls.Commands;
+using Core.Plugins.DotSpatial.Legend;
+
+namespace Core.Plugins.DotSpatial.Commands
+{
+    /// <summary>
+    /// The command which toggles the visibility of the <see cref="MapLegendView"/>.
+    /// </summary>
+    public class ToggleMapLegendViewCommand : ICommand
+    {
+        private readonly MapLegendController controller;
+
+        /// <summary>
+        /// Creates a new instance of <see cref="ToggleMapLegendViewCommand"/>.
+        /// </summary>
+        /// <param name="controller">The <see cref="MapLegendController"/> to use to invoke actions and determine state.</param>
+        public ToggleMapLegendViewCommand(MapLegendController controller)
+        {
+            this.controller = controller;
+        }
+
+        public bool Enabled
+        {
+            get
+            {
+                return true;
+            }
+        }
+
+        public bool Checked
+        {
+            get
+            {
+                return controller.IsLegendViewOpen();
+            }
+        }
+
+        public void Execute(params object[] arguments)
+        {
+            controller.ToggleLegend();
+        }
+    }
+}
\ No newline at end of file
Index: Core/Plugins/src/Core.Plugins.DotSpatial/Core.Plugins.DotSpatial.csproj
===================================================================
diff -u -r96605c3f9beab21e2739081492bac131d0978d7a -r6522a9f7396e770f8ecdcfda59c0966a86f6fb23
--- Core/Plugins/src/Core.Plugins.DotSpatial/Core.Plugins.DotSpatial.csproj	(.../Core.Plugins.DotSpatial.csproj)	(revision 96605c3f9beab21e2739081492bac131d0978d7a)
+++ Core/Plugins/src/Core.Plugins.DotSpatial/Core.Plugins.DotSpatial.csproj	(.../Core.Plugins.DotSpatial.csproj)	(revision 6522a9f7396e770f8ecdcfda59c0966a86f6fb23)
@@ -44,19 +44,22 @@
     <Reference Include="PresentationFramework" />
     <Reference Include="System" />
     <Reference Include="System.Core" />
+    <Reference Include="System.Data" />
     <Reference Include="System.Drawing" />
     <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Windows.Interactivity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\..\packages\Fluent.Ribbon.3.4.0\lib\net40\System.Windows.Interactivity.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Xaml" />
+    <Reference Include="System.Xml" />
     <Reference Include="WindowsBase" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\..\..\Common\src\Core.Common.Version\GlobalAssembly.cs">
       <Link>Properties\GlobalAssembly.cs</Link>
     </Compile>
+    <Compile Include="Commands\ToggleMapLegendViewCommand.cs" />
     <Compile Include="DotSpatialGuiPlugin.cs" />
     <Compile Include="Forms\IMapView.cs" />
     <Compile Include="Forms\MapDataView.cs">
@@ -65,6 +68,13 @@
     <Compile Include="Forms\MapDataView.Designer.cs">
       <DependentUpon>MapDataView.cs</DependentUpon>
     </Compile>
+    <Compile Include="Legend\MapLegendController.cs" />
+    <Compile Include="Legend\MapLegendView.cs">
+      <SubType>UserControl</SubType>
+    </Compile>
+    <Compile Include="Legend\MapLegendView.Designer.cs">
+      <DependentUpon>MapLegendView.cs</DependentUpon>
+    </Compile>
     <Compile Include="MapRibbon.xaml.cs">
       <DependentUpon>MapRibbon.xaml</DependentUpon>
     </Compile>
@@ -116,6 +126,9 @@
       <SubType>Designer</SubType>
     </EmbeddedResource>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="Resources\map.png" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
Index: Core/Plugins/src/Core.Plugins.DotSpatial/DotSpatialGuiPlugin.cs
===================================================================
diff -u -r47324919290e03ed6e8147f85e67024c16e602a8 -r6522a9f7396e770f8ecdcfda59c0966a86f6fb23
--- Core/Plugins/src/Core.Plugins.DotSpatial/DotSpatialGuiPlugin.cs	(.../DotSpatialGuiPlugin.cs)	(revision 47324919290e03ed6e8147f85e67024c16e602a8)
+++ Core/Plugins/src/Core.Plugins.DotSpatial/DotSpatialGuiPlugin.cs	(.../DotSpatialGuiPlugin.cs)	(revision 6522a9f7396e770f8ecdcfda59c0966a86f6fb23)
@@ -19,14 +19,16 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times. 
 // All rights reserved.
 
-using System;
 using System.Collections.Generic;
+using Core.Common.Gui;
 using Core.Common.Gui.Forms;
 using Core.Common.Gui.Forms.ViewManager;
 using Core.Common.Gui.Plugin;
 using Core.Common.Gui.Properties;
 using Core.Components.DotSpatial.Data;
+using Core.Plugins.DotSpatial.Commands;
 using Core.Plugins.DotSpatial.Forms;
+using Core.Plugins.DotSpatial.Legend;
 
 namespace Core.Plugins.DotSpatial
 {
@@ -36,6 +38,7 @@
     public class DotSpatialGuiPlugin : GuiPlugin
     {
         private MapRibbon mapRibbon;
+        private MapLegendController mapLegendController;
         private bool activated;
 
         public override IRibbonCommandHandler RibbonCommandHandler
@@ -48,17 +51,20 @@
 
         public override void Activate()
         {
-            mapRibbon = CreateMapRibbon();
+            mapLegendController = CreateLegendController(Gui);
+            mapRibbon = CreateMapRibbon(mapLegendController);
 
-            if (Gui == null)
-            {
-                throw new ArgumentNullException("Gui", "Cannot create a view when the plugin is null");
-            }
-
             Gui.ActiveViewChanged += GuiOnActiveViewChanged;
             activated = true;
         }
 
+        private MapLegendController CreateLegendController(IToolViewController toolViewController)
+        {
+            var controller = new MapLegendController(toolViewController);
+            controller.OnOpenLegend += (s, e) => UpdateComponentsForActiveView();
+            return controller;
+        }
+
         public override void Dispose()
         {
             if (activated)
@@ -77,9 +83,12 @@
             };
         }
 
-        private MapRibbon CreateMapRibbon()
+        private MapRibbon CreateMapRibbon(MapLegendController mapLegendController)
         {
-            return new MapRibbon();
+            return new MapRibbon
+            {
+                ToggleLegendViewCommand = new ToggleMapLegendViewCommand(mapLegendController)
+            };
         }
 
         private void GuiOnActiveViewChanged(object sender, ActiveViewChangeEventArgs activeViewChangeEventArgs)
@@ -97,10 +106,12 @@
             if (mapView != null)
             {
                 mapRibbon.Map = mapView.Map;
+                mapLegendController.Update(mapView.Map.Data);
             }
             else
             {
                 mapRibbon.Map = null;
+                mapLegendController.Update(null);
             }
         }
     }
Index: Core/Plugins/src/Core.Plugins.DotSpatial/Legend/MapLegendController.cs
===================================================================
diff -u
--- Core/Plugins/src/Core.Plugins.DotSpatial/Legend/MapLegendController.cs	(revision 0)
+++ Core/Plugins/src/Core.Plugins.DotSpatial/Legend/MapLegendController.cs	(revision 6522a9f7396e770f8ecdcfda59c0966a86f6fb23)
@@ -0,0 +1,113 @@
+// Copyright (C) Stichting Deltares 2016. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of 
+// Stichting Deltares and remain full property of Stichting Deltares at all times. 
+// All rights reserved.
+
+using System;
+using Core.Common.Controls.Views;
+using Core.Common.Gui;
+using Core.Components.DotSpatial;
+using Core.Components.DotSpatial.Data;
+
+namespace Core.Plugins.DotSpatial.Legend
+{
+    /// <summary>
+    /// This class controls the actions which are related to controlling visibility and updating contents of a <see cref="MapLegendView"/>.
+    /// </summary>
+    public class MapLegendController
+    {
+        private readonly IToolViewController toolViewController;
+        private IView legendView;
+
+        public EventHandler<EventArgs> OnOpenLegend;
+
+        /// <summary>
+        /// Creates a new instance of <see cref="MapLegendController"/>
+        /// </summary>
+        /// <param name="toolViewController">The <see cref="DotSpatialGuiPlugin"/> to invoke actions upon.</param>
+        public MapLegendController(IToolViewController toolViewController)
+        {
+            if (toolViewController == null)
+            {
+                throw new ArgumentNullException("toolViewController", "Cannot create a MapLegendController when the plugin is null.");
+            }
+            this.toolViewController = toolViewController;
+        }
+
+        /// <summary>
+        /// Toggles the <see cref="MapLegendView"/>.
+        /// </summary>
+        public void ToggleLegend()
+        {
+            if (IsLegendViewOpen())
+            {
+                CloseLegendView();
+            }
+            else
+            {
+                OpenLegendView();
+            }
+        }
+
+        /// <summary>
+        /// Checks whether a <see cref="MapLegendView"/> is open.
+        /// </summary>
+        /// <returns><c>true</c> if the <see cref="MapLegendView"/> is open, <c>false</c> otherwise.</returns>
+        public bool IsLegendViewOpen()
+        {
+            return toolViewController.IsToolWindowOpen<MapLegendView>();
+        }
+
+        /// <summary>
+        /// Open the <see cref="MapLegendView"/>.
+        /// </summary>
+        private void OpenLegendView()
+        {
+            legendView = new MapLegendView();
+            toolViewController.OpenToolView(legendView);
+            if (OnOpenLegend != null)
+            {
+                OnOpenLegend(this, EventArgs.Empty);
+            }
+        }
+
+        /// <summary>
+        /// Closes the <see cref="MapLegendView"/>.
+        /// </summary>
+        private void CloseLegendView()
+        {
+            toolViewController.CloseToolView(legendView);
+            legendView.Dispose();
+            legendView = null;
+        }
+
+        /// <summary>
+        /// Updates the data for the <see cref="MapLegendView"/> if it is open.
+        /// </summary>
+        /// <param name="data">The <see cref="BaseMap"/> for which to show data. If <c>null</c> the 
+        /// data will be cleared.</param>
+        public void Update(MapData data)
+        {
+            if (IsLegendViewOpen())
+            {
+                legendView.Data = data;
+            }
+        }
+    }
+}
Index: Core/Plugins/src/Core.Plugins.DotSpatial/Legend/MapLegendView.Designer.cs
===================================================================
diff -u
--- Core/Plugins/src/Core.Plugins.DotSpatial/Legend/MapLegendView.Designer.cs	(revision 0)
+++ Core/Plugins/src/Core.Plugins.DotSpatial/Legend/MapLegendView.Designer.cs	(revision 6522a9f7396e770f8ecdcfda59c0966a86f6fb23)
@@ -0,0 +1,37 @@
+namespace Core.Plugins.DotSpatial.Legend
+{
+    partial class MapLegendView
+    {
+        /// <summary> 
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary> 
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Component Designer generated code
+
+        /// <summary> 
+        /// Required method for Designer support - do not modify 
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            components = new System.ComponentModel.Container();
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+        }
+
+        #endregion
+    }
+}
Index: Core/Plugins/src/Core.Plugins.DotSpatial/Legend/MapLegendView.cs
===================================================================
diff -u
--- Core/Plugins/src/Core.Plugins.DotSpatial/Legend/MapLegendView.cs	(revision 0)
+++ Core/Plugins/src/Core.Plugins.DotSpatial/Legend/MapLegendView.cs	(revision 6522a9f7396e770f8ecdcfda59c0966a86f6fb23)
@@ -0,0 +1,45 @@
+// Copyright (C) Stichting Deltares 2016. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of 
+// Stichting Deltares and remain full property of Stichting Deltares at all times. 
+// All rights reserved.
+
+using System.Windows.Forms;
+using Core.Common.Controls.Views;
+using Core.Components.DotSpatial;
+using Core.Plugins.DotSpatial.Properties;
+
+namespace Core.Plugins.DotSpatial.Legend
+{
+    /// <summary>
+    /// The view which shows the data that is added to a <see cref="BaseMap"/>.
+    /// </summary>
+    public sealed partial class MapLegendView : UserControl, IView
+    {
+        /// <summary>
+        /// Creates a new instance of <see cref="MapLegendView"/>.
+        /// </summary>
+        public MapLegendView()
+        {
+            InitializeComponent();
+            Text = Resources.General_Map;
+        }
+
+        public object Data { get; set; }
+    }
+}
\ No newline at end of file
Index: Core/Plugins/src/Core.Plugins.DotSpatial/MapRibbon.xaml
===================================================================
diff -u -r97b8c68c7a4da08b4d969a0cababbbc50b4b4408 -r6522a9f7396e770f8ecdcfda59c0966a86f6fb23
--- Core/Plugins/src/Core.Plugins.DotSpatial/MapRibbon.xaml	(.../MapRibbon.xaml)	(revision 97b8c68c7a4da08b4d969a0cababbbc50b4b4408)
+++ Core/Plugins/src/Core.Plugins.DotSpatial/MapRibbon.xaml	(.../MapRibbon.xaml)	(revision 6522a9f7396e770f8ecdcfda59c0966a86f6fb23)
@@ -5,13 +5,25 @@
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:fluent="clr-namespace:Fluent;assembly=Fluent"
              xmlns:p="clr-namespace:Core.Plugins.DotSpatial.Properties"
+             xmlns:common="clr-namespace:Core.Common.Gui.Properties;assembly=Core.Common.Gui"
+             xmlns:converters="clr-namespace:Core.Common.Gui.Converters;assembly=Core.Common.Gui"
              mc:Ignorable="d" Width="686.4" Height="168" Background="White">
+    <UserControl.Resources>
+        <converters:PngToIconConverter x:Key="IconConverter"/>
+    </UserControl.Resources>
+    
     <fluent:Ribbon x:Name="RibbonControl" x:FieldModifier="private">
 
         <fluent:Ribbon.ContextualGroups>
             <fluent:RibbonContextualTabGroup Header="{x:Static p:Resources.Ribbon_ContextualGroup_Map}" Visibility="Visible" x:Name="MapContextualGroup" Background="MediumPurple" BorderBrush="MediumPurple" />
         </fluent:Ribbon.ContextualGroups>
-        
+
+        <fluent:RibbonTabItem Header="{x:Static common:Resources.Ribbon_TabItem_View}" fluent:KeyTip.Keys="B">
+            <fluent:RibbonGroupBox Header="{x:Static common:Resources.Ribbon_GroupBox_Show_Hide}" fluent:KeyTip.Keys="G">
+                <fluent:ToggleButton Name="ToggleLegendViewButton" Header="{x:Static p:Resources.Ribbon_Toggle_Legend}" ToolTip="{x:Static p:Resources.Ribbon_Toggle_Legend_ToopTip}" Icon="{Binding Source={x:Static p:Resources.map}, Converter={StaticResource IconConverter}}" SizeDefinition="Middle" Click="ButtonToggleLegend_Click"/>
+            </fluent:RibbonGroupBox>
+        </fluent:RibbonTabItem>
+
         <fluent:RibbonTabItem Header="{x:Static p:Resources.General_Map}" Group="{Binding Source={x:Reference MapContextualGroup}}"/>
     </fluent:Ribbon>
 </UserControl>
Index: Core/Plugins/src/Core.Plugins.DotSpatial/MapRibbon.xaml.cs
===================================================================
diff -u -reff23cd289c9dfc4d626a76cac16477cebfdb0fe -r6522a9f7396e770f8ecdcfda59c0966a86f6fb23
--- Core/Plugins/src/Core.Plugins.DotSpatial/MapRibbon.xaml.cs	(.../MapRibbon.xaml.cs)	(revision eff23cd289c9dfc4d626a76cac16477cebfdb0fe)
+++ Core/Plugins/src/Core.Plugins.DotSpatial/MapRibbon.xaml.cs	(.../MapRibbon.xaml.cs)	(revision 6522a9f7396e770f8ecdcfda59c0966a86f6fb23)
@@ -61,11 +61,16 @@
             }
         }
 
+        public ICommand ToggleLegendViewCommand { private get; set; }
+
         public IEnumerable<ICommand> Commands
         {
             get
             {
-                yield break;
+                if (ToggleLegendViewCommand != null)
+                {
+                    yield return ToggleLegendViewCommand;
+                }
             }
         }
 
@@ -94,5 +99,10 @@
         {
             MapContextualGroup.Visibility = Visibility.Collapsed;
         }
+
+        private void ButtonToggleLegend_Click(object sender, RoutedEventArgs e)
+        {
+            ToggleLegendViewCommand.Execute();
+        }
     }
 }
\ No newline at end of file
Index: Core/Plugins/src/Core.Plugins.DotSpatial/Properties/Resources.Designer.cs
===================================================================
diff -u -r96605c3f9beab21e2739081492bac131d0978d7a -r6522a9f7396e770f8ecdcfda59c0966a86f6fb23
--- Core/Plugins/src/Core.Plugins.DotSpatial/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision 96605c3f9beab21e2739081492bac131d0978d7a)
+++ Core/Plugins/src/Core.Plugins.DotSpatial/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision 6522a9f7396e770f8ecdcfda59c0966a86f6fb23)
@@ -70,6 +70,16 @@
         }
         
         /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        public static System.Drawing.Bitmap map {
+            get {
+                object obj = ResourceManager.GetObject("map", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
         ///   Looks up a localized string similar to Kaarten.
         /// </summary>
         public static string Ribbon_ContextualGroup_Map {
Index: Core/Plugins/src/Core.Plugins.DotSpatial/Properties/Resources.resx
===================================================================
diff -u -r96605c3f9beab21e2739081492bac131d0978d7a -r6522a9f7396e770f8ecdcfda59c0966a86f6fb23
--- Core/Plugins/src/Core.Plugins.DotSpatial/Properties/Resources.resx	(.../Resources.resx)	(revision 96605c3f9beab21e2739081492bac131d0978d7a)
+++ Core/Plugins/src/Core.Plugins.DotSpatial/Properties/Resources.resx	(.../Resources.resx)	(revision 6522a9f7396e770f8ecdcfda59c0966a86f6fb23)
@@ -120,6 +120,10 @@
   <data name="General_Map" xml:space="preserve">
     <value>Kaart</value>
   </data>
+  <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
+  <data name="map" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\map.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
   <data name="Ribbon_ContextualGroup_Map" xml:space="preserve">
     <value>Kaarten</value>
   </data>
Index: Core/Plugins/src/Core.Plugins.DotSpatial/Resources/map.png
===================================================================
diff -u -r329e2f80a0adb45f0bdad64269e0862bae458a44 -r6522a9f7396e770f8ecdcfda59c0966a86f6fb23
Binary files differ