From 92eb8cec01cadf5180a5b3d9e346881b5e8422a3 Mon Sep 17 00:00:00 2001
From: Ben <ben-wallis@users.noreply.github.com>
Date: Tue, 9 Jun 2015 23:55:25 +0100
Subject: [PATCH] Basic AvalonDock functionality implemented

---
 .../Converters/ActiveDocumentConverter.cs     |  26 +++++
 Filtration/Filtration.csproj                  |  29 +++++
 .../ViewModels/ItemFilterScriptViewModel.cs   |   6 +-
 Filtration/ViewModels/MainWindowViewModel.cs  | 102 ++++++++++++------
 Filtration/ViewModels/PaneViewModel.cs        |  65 +++++++++++
 .../ViewModels/SectionBrowserViewModel.cs     |  55 ++++++++++
 Filtration/ViewModels/ToolViewModel.cs        |  27 +++++
 Filtration/Views/ItemFilterScriptView.xaml    |   4 +-
 Filtration/Views/LayoutInitializer.cs         |  45 ++++++++
 Filtration/Views/MainWindow.xaml              |  68 +++++++++++-
 Filtration/Views/PanesStyleSelector.cs        |  27 +++++
 Filtration/Views/PanesTemplateSelector.cs     |  33 ++++++
 Filtration/Views/SectionBrowserView.xaml      |  23 ++++
 Filtration/Views/SectionBrowserView.xaml.cs   |  28 +++++
 .../WindsorInstallers/ViewModelsInstaller.cs  |   7 +-
 Filtration/packages.config                    |   1 +
 16 files changed, 505 insertions(+), 41 deletions(-)
 create mode 100644 Filtration/Converters/ActiveDocumentConverter.cs
 create mode 100644 Filtration/ViewModels/PaneViewModel.cs
 create mode 100644 Filtration/ViewModels/SectionBrowserViewModel.cs
 create mode 100644 Filtration/ViewModels/ToolViewModel.cs
 create mode 100644 Filtration/Views/LayoutInitializer.cs
 create mode 100644 Filtration/Views/PanesStyleSelector.cs
 create mode 100644 Filtration/Views/PanesTemplateSelector.cs
 create mode 100644 Filtration/Views/SectionBrowserView.xaml
 create mode 100644 Filtration/Views/SectionBrowserView.xaml.cs

diff --git a/Filtration/Converters/ActiveDocumentConverter.cs b/Filtration/Converters/ActiveDocumentConverter.cs
new file mode 100644
index 0000000..9d5939f
--- /dev/null
+++ b/Filtration/Converters/ActiveDocumentConverter.cs
@@ -0,0 +1,26 @@
+using System;
+using System.Globalization;
+using System.Windows.Data;
+using Filtration.ViewModels;
+
+namespace Filtration.Converters
+{
+    class ActiveDocumentConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value is ItemFilterScriptViewModel)
+                return value;
+
+            return Binding.DoNothing;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value is ItemFilterScriptViewModel)
+                return value;
+
+            return Binding.DoNothing;
+        }
+    }
+}
diff --git a/Filtration/Filtration.csproj b/Filtration/Filtration.csproj
index 1135f42..2f534f8 100644
--- a/Filtration/Filtration.csproj
+++ b/Filtration/Filtration.csproj
@@ -79,6 +79,21 @@
     <Reference Include="WPFToolkit">
       <HintPath>..\packages\WPFToolkit.3.5.50211.1\lib\WPFToolkit.dll</HintPath>
     </Reference>
+    <Reference Include="Xceed.Wpf.AvalonDock">
+      <HintPath>..\packages\AvalonDock.2.0.2000\lib\net40\Xceed.Wpf.AvalonDock.dll</HintPath>
+    </Reference>
+    <Reference Include="Xceed.Wpf.AvalonDock.Themes.Aero">
+      <HintPath>..\packages\AvalonDock.2.0.2000\lib\net40\Xceed.Wpf.AvalonDock.Themes.Aero.dll</HintPath>
+    </Reference>
+    <Reference Include="Xceed.Wpf.AvalonDock.Themes.Expression">
+      <HintPath>..\packages\AvalonDock.2.0.2000\lib\net40\Xceed.Wpf.AvalonDock.Themes.Expression.dll</HintPath>
+    </Reference>
+    <Reference Include="Xceed.Wpf.AvalonDock.Themes.Metro">
+      <HintPath>..\packages\AvalonDock.2.0.2000\lib\net40\Xceed.Wpf.AvalonDock.Themes.Metro.dll</HintPath>
+    </Reference>
+    <Reference Include="Xceed.Wpf.AvalonDock.Themes.VS2010">
+      <HintPath>..\packages\AvalonDock.2.0.2000\lib\net40\Xceed.Wpf.AvalonDock.Themes.VS2010.dll</HintPath>
+    </Reference>
     <Reference Include="Xceed.Wpf.Toolkit, Version=2.4.0.0, Culture=neutral, PublicKeyToken=3e4669d2f30244f4, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Extended.Wpf.Toolkit.2.4\lib\net40\Xceed.Wpf.Toolkit.dll</HintPath>
@@ -89,6 +104,7 @@
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </ApplicationDefinition>
+    <Compile Include="Converters\ActiveDocumentConverter.cs" />
     <Compile Include="Converters\BlockItemTypeToStringConverter.cs" />
     <Compile Include="Converters\BooleanInverterConverter.cs" />
     <Compile Include="Converters\BooleanToBlockActionInverseConverter.cs" />
@@ -159,7 +175,10 @@
     <Compile Include="ViewModels\IItemFilterBlockViewModelFactory.cs" />
     <Compile Include="ViewModels\ItemFilterBlockViewModel.cs" />
     <Compile Include="ViewModels\ItemFilterScriptViewModel.cs" />
+    <Compile Include="ViewModels\PaneViewModel.cs" />
     <Compile Include="ViewModels\ReplaceColorsViewModel.cs" />
+    <Compile Include="ViewModels\SectionBrowserViewModel.cs" />
+    <Compile Include="ViewModels\ToolViewModel.cs" />
     <Compile Include="Views\BindingProxy.cs" />
     <Compile Include="Views\BlockTemplateSelector.cs" />
     <Compile Include="Views\ItemFilterBlockDisplaySettingsView.xaml.cs">
@@ -180,9 +199,15 @@
     <Compile Include="Views\AboutWindow.xaml.cs">
       <DependentUpon>AboutWindow.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Views\LayoutInitializer.cs" />
+    <Compile Include="Views\PanesStyleSelector.cs" />
+    <Compile Include="Views\PanesTemplateSelector.cs" />
     <Compile Include="Views\ReplaceColorsWindow.xaml.cs">
       <DependentUpon>ReplaceColorsWindow.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Views\SectionBrowserView.xaml.cs">
+      <DependentUpon>SectionBrowserView.xaml</DependentUpon>
+    </Compile>
     <Compile Include="WindsorInstallers\ModelsInstaller.cs" />
     <Compile Include="WindsorInstallers\ServicesInstaller.cs" />
     <Compile Include="WindsorInstallers\TranslatorsInstaller.cs" />
@@ -212,6 +237,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="Views\SectionBrowserView.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Views\SharedResourcesDictionary.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
diff --git a/Filtration/ViewModels/ItemFilterScriptViewModel.cs b/Filtration/ViewModels/ItemFilterScriptViewModel.cs
index a6083ba..f56fe65 100644
--- a/Filtration/ViewModels/ItemFilterScriptViewModel.cs
+++ b/Filtration/ViewModels/ItemFilterScriptViewModel.cs
@@ -19,13 +19,14 @@ namespace Filtration.ViewModels
         void Initialise(ItemFilterScript itemFilterScript);
         IItemFilterBlockViewModel SelectedBlockViewModel { get; set; }
         void RemoveDirtyFlag();
+        IEnumerable<IItemFilterBlockViewModel> ItemFilterSectionViewModels { get; }
         void AddSection(IItemFilterBlockViewModel targetBlockViewModel);
         void AddBlock(IItemFilterBlockViewModel targetBlockViewModel);
         void CopyBlock(IItemFilterBlockViewModel targetBlockViewModel);
         void PasteBlock(IItemFilterBlockViewModel targetBlockViewModel);
     }
 
-    internal class ItemFilterScriptViewModel : FiltrationViewModelBase, IItemFilterScriptViewModel
+    internal class ItemFilterScriptViewModel : PaneViewModel, IItemFilterScriptViewModel
     {
         private readonly IItemFilterBlockViewModelFactory _itemFilterBlockViewModelFactory;
         private readonly IItemFilterBlockTranslator _blockTranslator;
@@ -147,6 +148,9 @@ namespace Filtration.ViewModels
                 vm.Initialise(block, this);
                 ItemFilterBlockViewModels.Add(vm);
             }
+
+            Title = Filename;
+            ContentId = "testcontentid";
         }
 
         private void OnCopyBlockCommand()
diff --git a/Filtration/ViewModels/MainWindowViewModel.cs b/Filtration/ViewModels/MainWindowViewModel.cs
index d1fb76b..f9332a1 100644
--- a/Filtration/ViewModels/MainWindowViewModel.cs
+++ b/Filtration/ViewModels/MainWindowViewModel.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Diagnostics;
 using System.Reflection;
@@ -9,6 +10,7 @@ using Filtration.Services;
 using Filtration.Translators;
 using Filtration.Views;
 using GalaSoft.MvvmLight.CommandWpf;
+using Xceed.Wpf.AvalonDock.Layout;
 using Clipboard = System.Windows.Clipboard;
 using OpenFileDialog = Microsoft.Win32.OpenFileDialog;
 
@@ -16,19 +18,23 @@ namespace Filtration.ViewModels
 {
     internal interface IMainWindowViewModel
     {
+        IItemFilterScriptViewModel ActiveDocument { get; set; }
+        event EventHandler ActiveDocumentChanged;
         void LoadScriptFromFile(string path);
     }
 
     internal class MainWindowViewModel : FiltrationViewModelBase, IMainWindowViewModel
     {
+
         private ItemFilterScript _loadedScript;
 
         private readonly IItemFilterScriptViewModelFactory _itemFilterScriptViewModelFactory;
         private readonly IItemFilterPersistenceService _persistenceService;
         private readonly IItemFilterScriptTranslator _itemFilterScriptTranslator;
         private readonly IReplaceColorsViewModel _replaceColorsViewModel;
-        private IItemFilterScriptViewModel _currentScriptViewModel;
+        private IItemFilterScriptViewModel _activeDocument;
         private readonly ObservableCollection<IItemFilterScriptViewModel> _scriptViewModels;
+        private readonly SectionBrowserViewModel _sectionBrowserViewModel;
 
         public MainWindowViewModel(IItemFilterScriptViewModelFactory itemFilterScriptViewModelFactory,
                                    IItemFilterPersistenceService persistenceService,
@@ -39,19 +45,21 @@ namespace Filtration.ViewModels
             _persistenceService = persistenceService;
             _itemFilterScriptTranslator = itemFilterScriptTranslator;
             _replaceColorsViewModel = replaceColorsViewModel;
+            _sectionBrowserViewModel = new SectionBrowserViewModel();
+            _sectionBrowserViewModel.Initialise(this);
 
             _scriptViewModels = new ObservableCollection<IItemFilterScriptViewModel>();
 
             OpenAboutWindowCommand = new RelayCommand(OnOpenAboutWindowCommand);
             OpenScriptCommand = new RelayCommand(OnOpenScriptCommand);
-            SaveScriptCommand = new RelayCommand(OnSaveScriptCommand, () => CurrentScriptViewModel != null);
-            SaveScriptAsCommand = new RelayCommand(OnSaveScriptAsCommand, () => CurrentScriptViewModel != null);
-            CopyScriptCommand = new RelayCommand(OnCopyScriptCommand, () => CurrentScriptViewModel != null);
-            CopyBlockCommand = new RelayCommand(OnCopyBlockCommand, () => CurrentScriptViewModel != null && CurrentScriptViewModel.SelectedBlockViewModel != null);
-            PasteCommand = new RelayCommand(OnPasteCommand, () => CurrentScriptViewModel != null && CurrentScriptViewModel.SelectedBlockViewModel != null);
+            SaveScriptCommand = new RelayCommand(OnSaveScriptCommand, () => ActiveDocument != null);
+            SaveScriptAsCommand = new RelayCommand(OnSaveScriptAsCommand, () => ActiveDocument != null);
+            CopyScriptCommand = new RelayCommand(OnCopyScriptCommand, () => ActiveDocument != null);
+            CopyBlockCommand = new RelayCommand(OnCopyBlockCommand, () => ActiveDocument != null && ActiveDocument.SelectedBlockViewModel != null);
+            PasteCommand = new RelayCommand(OnPasteCommand, () => ActiveDocument != null && ActiveDocument.SelectedBlockViewModel != null);
             NewScriptCommand = new RelayCommand(OnNewScriptCommand);
-            CloseScriptCommand = new RelayCommand<IItemFilterScriptViewModel>(OnCloseScriptCommand, v => CurrentScriptViewModel != null);
-            ReplaceColorsCommand = new RelayCommand(OnReplaceColorsCommand, () => CurrentScriptViewModel != null);
+            CloseScriptCommand = new RelayCommand<IItemFilterScriptViewModel>(OnCloseScriptCommand, v => ActiveDocument != null);
+            ReplaceColorsCommand = new RelayCommand(OnReplaceColorsCommand, () => ActiveDocument != null);
 
             //LoadScriptFromFile("C:\\ThioleLootFilter.txt");
 
@@ -74,6 +82,29 @@ namespace Filtration.ViewModels
             get { return _scriptViewModels; }
         }
 
+        private List<ToolViewModel> _tools;
+
+        public IEnumerable<ToolViewModel> Tools
+        {
+            get
+            {
+                if (_tools == null)
+                {
+                    _tools = new List<ToolViewModel> { _sectionBrowserViewModel };
+                }
+
+                return _tools;
+            }
+        }
+
+        public SectionBrowserViewModel SectionBrowserViewModel
+        {
+            get
+            {
+                return _sectionBrowserViewModel;
+            }
+        }
+
         public string WindowTitle
         {
             get
@@ -85,22 +116,29 @@ namespace Filtration.ViewModels
         }
 
         [DoNotWire]
-        public IItemFilterScriptViewModel CurrentScriptViewModel
+        public IItemFilterScriptViewModel ActiveDocument
         {
-            get { return _currentScriptViewModel; }
+            get { return _activeDocument; }
             set
             {
-                _currentScriptViewModel = value;
+                _activeDocument = value;
                 RaisePropertyChanged();
+                if (ActiveDocumentChanged != null)
+                {
+                    ActiveDocumentChanged(this, EventArgs.Empty);
+                }
+
                 RaisePropertyChanged("NoScriptsOpen");
                 SaveScriptCommand.RaiseCanExecuteChanged();
                 SaveScriptAsCommand.RaiseCanExecuteChanged();
             }
         }
 
+        public event EventHandler ActiveDocumentChanged;
+
         public bool NoScriptsOpen
         {
-            get { return _currentScriptViewModel == null; }
+            get { return _activeDocument == null; }
         }
 
         private void OnOpenAboutWindowCommand()
@@ -138,7 +176,7 @@ namespace Filtration.ViewModels
             var newViewModel = _itemFilterScriptViewModelFactory.Create();
             newViewModel.Initialise(_loadedScript);
             ScriptViewModels.Add(newViewModel);
-            CurrentScriptViewModel = newViewModel;
+            ActiveDocument = newViewModel;
         }
 
         private void SetItemFilterScriptDirectory()
@@ -168,7 +206,7 @@ namespace Filtration.ViewModels
         {
             if (!ValidateScript()) return;
 
-            if (string.IsNullOrEmpty(CurrentScriptViewModel.Script.FilePath))
+            if (string.IsNullOrEmpty(ActiveDocument.Script.FilePath))
             {
                 OnSaveScriptAsCommand();
                 return;
@@ -176,8 +214,8 @@ namespace Filtration.ViewModels
 
             try
             {
-                _persistenceService.SaveItemFilterScript(CurrentScriptViewModel.Script);
-                CurrentScriptViewModel.RemoveDirtyFlag();
+                _persistenceService.SaveItemFilterScript(ActiveDocument.Script);
+                ActiveDocument.RemoveDirtyFlag();
             }
             catch (Exception e)
             {
@@ -202,31 +240,31 @@ namespace Filtration.ViewModels
 
             if (result != DialogResult.OK) return;
 
-            var previousFilePath = CurrentScriptViewModel.Script.FilePath;
+            var previousFilePath = ActiveDocument.Script.FilePath;
             try
             {
-                CurrentScriptViewModel.Script.FilePath = saveDialog.FileName;
-                _persistenceService.SaveItemFilterScript(CurrentScriptViewModel.Script);
-                CurrentScriptViewModel.RemoveDirtyFlag();
+                ActiveDocument.Script.FilePath = saveDialog.FileName;
+                _persistenceService.SaveItemFilterScript(ActiveDocument.Script);
+                ActiveDocument.RemoveDirtyFlag();
             }
             catch (Exception e)
             {
                 MessageBox.Show(@"Error saving filter file - " + e.Message, @"Save Error", MessageBoxButtons.OK,
                     MessageBoxIcon.Error);
-                CurrentScriptViewModel.Script.FilePath = previousFilePath;
+                ActiveDocument.Script.FilePath = previousFilePath;
             }
         }
 
         private void OnReplaceColorsCommand()
         {
-            _replaceColorsViewModel.Initialise(CurrentScriptViewModel.Script);
+            _replaceColorsViewModel.Initialise(ActiveDocument.Script);
             var replaceColorsWindow = new ReplaceColorsWindow {DataContext = _replaceColorsViewModel};
             replaceColorsWindow.ShowDialog();
         }
 
         private bool ValidateScript()
         {
-            var result = CurrentScriptViewModel.Script.Validate();
+            var result = ActiveDocument.Script.Validate();
 
             if (result.Count == 0) return true;
 
@@ -245,17 +283,17 @@ namespace Filtration.ViewModels
 
         private void OnCopyScriptCommand()
         {
-            Clipboard.SetText(_itemFilterScriptTranslator.TranslateItemFilterScriptToString(_currentScriptViewModel.Script));
+            Clipboard.SetText(_itemFilterScriptTranslator.TranslateItemFilterScriptToString(_activeDocument.Script));
         }
 
         private void OnCopyBlockCommand()
         {
-            _currentScriptViewModel.CopyBlock(_currentScriptViewModel.SelectedBlockViewModel);
+            _activeDocument.CopyBlock(_activeDocument.SelectedBlockViewModel);
         }
 
         private void OnPasteCommand()
         {
-            _currentScriptViewModel.PasteBlock(_currentScriptViewModel.SelectedBlockViewModel);
+            _activeDocument.PasteBlock(_activeDocument.SelectedBlockViewModel);
         }
 
         private void OnNewScriptCommand()
@@ -265,15 +303,15 @@ namespace Filtration.ViewModels
             newViewModel.Initialise(newScript);
             newViewModel.Description = "New Script";
             ScriptViewModels.Add(newViewModel);
-            CurrentScriptViewModel = newViewModel;
+            ActiveDocument = newViewModel;
         }
 
         private void OnCloseScriptCommand(IItemFilterScriptViewModel scriptViewModel)
         {
-            CurrentScriptViewModel = scriptViewModel;
-            if (!CurrentScriptViewModel.IsDirty)
+            ActiveDocument = scriptViewModel;
+            if (!ActiveDocument.IsDirty)
             {
-                ScriptViewModels.Remove(CurrentScriptViewModel);
+                ScriptViewModels.Remove(ActiveDocument);
             }
             else
             {
@@ -284,12 +322,12 @@ namespace Filtration.ViewModels
                     case DialogResult.Yes:
                     {
                         OnSaveScriptCommand();
-                        ScriptViewModels.Remove(CurrentScriptViewModel);
+                        ScriptViewModels.Remove(ActiveDocument);
                         break;
                     }
                     case DialogResult.No:
                     {
-                        ScriptViewModels.Remove(CurrentScriptViewModel);
+                        ScriptViewModels.Remove(ActiveDocument);
                         break;
                     }
                     case DialogResult.Cancel:
diff --git a/Filtration/ViewModels/PaneViewModel.cs b/Filtration/ViewModels/PaneViewModel.cs
new file mode 100644
index 0000000..8fce535
--- /dev/null
+++ b/Filtration/ViewModels/PaneViewModel.cs
@@ -0,0 +1,65 @@
+using System.Windows.Media;
+
+namespace Filtration.ViewModels
+{
+    class PaneViewModel : FiltrationViewModelBase
+    {
+        private string _title;
+        public string Title
+        {
+            get { return _title; }
+            set
+            {
+                if (_title != value)
+                {
+                    _title = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
+        public ImageSource IconSource { get; protected set; }
+
+        private string _contentId;
+        public string ContentId
+        {
+            get { return _contentId; }
+            set
+            {
+                if (_contentId != value)
+                {
+                    _contentId = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+        
+        private bool _isSelected;
+        public bool IsSelected
+        {
+            get { return _isSelected; }
+            set
+            {
+                if (_isSelected != value)
+                {
+                    _isSelected = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+        
+        private bool _isActive;
+        public bool IsActive
+        {
+            get { return _isActive; }
+            set
+            {
+                if (_isActive != value)
+                {
+                    _isActive = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+    }
+}
diff --git a/Filtration/ViewModels/SectionBrowserViewModel.cs b/Filtration/ViewModels/SectionBrowserViewModel.cs
new file mode 100644
index 0000000..d043ebf
--- /dev/null
+++ b/Filtration/ViewModels/SectionBrowserViewModel.cs
@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+
+namespace Filtration.ViewModels
+{
+    internal interface ISectionBrowserViewModel
+    {
+    }
+
+    internal class SectionBrowserViewModel : ToolViewModel, ISectionBrowserViewModel
+    {
+        private IMainWindowViewModel _mainWindowViewModel;
+        private IEnumerable<IItemFilterBlockViewModel> _sectionBlockViewModels;
+        private IItemFilterBlockViewModel _selectedSectionBlockViewModel;
+
+        public SectionBrowserViewModel() : base("Section Browser")
+        {
+
+            ContentId = ToolContentId;
+        }
+
+        public void Initialise(IMainWindowViewModel mainWindowViewModel)
+        {
+            _mainWindowViewModel = mainWindowViewModel;
+            _mainWindowViewModel.ActiveDocumentChanged += OnActiveDocumentChanged;
+        }
+
+        public const string ToolContentId = "SectionBrowserTool";
+
+        public IEnumerable<IItemFilterBlockViewModel> SectionBlockViewModels
+        {
+            get { return _sectionBlockViewModels; }
+            private set
+            {
+                _sectionBlockViewModels = value;
+                RaisePropertyChanged();
+            }
+        }
+
+        public IItemFilterBlockViewModel SelectedSectionBlockViewModel
+        {
+            get { return _selectedSectionBlockViewModel; }
+            set
+            {
+                _selectedSectionBlockViewModel = value;
+                RaisePropertyChanged();
+            }
+        }
+
+        private void OnActiveDocumentChanged(object sender, EventArgs e)
+        {
+            SectionBlockViewModels = _mainWindowViewModel.ActiveDocument != null ? _mainWindowViewModel.ActiveDocument.ItemFilterSectionViewModels : null;
+        }
+    }
+}
diff --git a/Filtration/ViewModels/ToolViewModel.cs b/Filtration/ViewModels/ToolViewModel.cs
new file mode 100644
index 0000000..f9c3fda
--- /dev/null
+++ b/Filtration/ViewModels/ToolViewModel.cs
@@ -0,0 +1,27 @@
+namespace Filtration.ViewModels
+{
+    class ToolViewModel : PaneViewModel
+    {
+        public ToolViewModel(string name)
+        {
+            Name = name;
+            Title = name;
+        }
+
+        public string Name { get; private set; }
+
+        private bool _isVisible = true;
+        public bool IsVisible
+        {
+            get { return _isVisible; }
+            set
+            {
+                if (_isVisible != value)
+                {
+                    _isVisible = value;
+                    RaisePropertyChanged();
+                }
+            }
+        }
+    }
+}
diff --git a/Filtration/Views/ItemFilterScriptView.xaml b/Filtration/Views/ItemFilterScriptView.xaml
index 7a0097c..a8288f5 100644
--- a/Filtration/Views/ItemFilterScriptView.xaml
+++ b/Filtration/Views/ItemFilterScriptView.xaml
@@ -59,7 +59,7 @@
                     <Button ToolTip="Move Block to Bottom" Command="{Binding MoveBlockToBottomCommand}" Content="{StaticResource MoveToBottomIcon}" />
                 </ToolBar>
                 </ToolBarTray>
-                <Expander DockPanel.Dock="Left" ExpandDirection="Right" MaxWidth="200" HorizontalAlignment="Left" >
+                <!--<Expander DockPanel.Dock="Left" ExpandDirection="Right" MaxWidth="200" HorizontalAlignment="Left" >
                     <Expander.Header>
                         <TextBlock Text="Section Browser" Foreground="White" VerticalAlignment="Top">
                             <TextBlock.LayoutTransform>
@@ -78,7 +78,7 @@
                             </DataTemplate>
                         </ListBox.ItemTemplate>
                     </ListBox>
-                </Expander>
+                </Expander>-->
                 <userControls:AutoScrollingListBox ItemsSource="{Binding ItemFilterBlockViewModels}"
                                                    Margin="5,5,5,5"
                                                    Padding="5"
diff --git a/Filtration/Views/LayoutInitializer.cs b/Filtration/Views/LayoutInitializer.cs
new file mode 100644
index 0000000..ec2696d
--- /dev/null
+++ b/Filtration/Views/LayoutInitializer.cs
@@ -0,0 +1,45 @@
+using System.Linq;
+using Xceed.Wpf.AvalonDock.Layout;
+
+namespace Filtration.Views
+{
+    class LayoutInitializer : ILayoutUpdateStrategy
+    {
+        public bool BeforeInsertAnchorable(LayoutRoot layout, LayoutAnchorable anchorableToShow, ILayoutContainer destinationContainer)
+        {
+            //AD wants to add the anchorable into destinationContainer
+            //just for test provide a new anchorablepane 
+            //if the pane is floating let the manager go ahead
+            LayoutAnchorablePane destPane = destinationContainer as LayoutAnchorablePane;
+            if (destinationContainer != null &&
+                destinationContainer.FindParent<LayoutFloatingWindow>() != null)
+                return false;
+
+            var toolsPane = layout.Descendents().OfType<LayoutAnchorablePane>().FirstOrDefault(d => d.Name == "ToolsPane");
+            if (toolsPane != null)
+            {
+                toolsPane.Children.Add(anchorableToShow);
+                return true;
+            }
+
+            return false;
+
+        }
+
+
+        public void AfterInsertAnchorable(LayoutRoot layout, LayoutAnchorable anchorableShown)
+        {
+        }
+
+
+        public bool BeforeInsertDocument(LayoutRoot layout, LayoutDocument anchorableToShow, ILayoutContainer destinationContainer)
+        {
+            return false;
+        }
+
+        public void AfterInsertDocument(LayoutRoot layout, LayoutDocument anchorableShown)
+        {
+
+        }
+    }
+}
diff --git a/Filtration/Views/MainWindow.xaml b/Filtration/Views/MainWindow.xaml
index 1360db6..a8f20d3 100644
--- a/Filtration/Views/MainWindow.xaml
+++ b/Filtration/Views/MainWindow.xaml
@@ -5,14 +5,16 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:controls="clr-namespace:MahApps.Metro.Controls;assembly=MahApps.Metro"
-        xmlns:views="clr-namespace:Filtration.Views"
         xmlns:viewModels="clr-namespace:Filtration.ViewModels"
-        xmlns:userControls="clr-namespace:Filtration.UserControls"
+        xmlns:avalonDock="http://schemas.xceed.com/wpf/xaml/avalondock"
+        xmlns:converters="clr-namespace:Filtration.Converters"
+        xmlns:views="clr-namespace:Filtration.Views"
         mc:Ignorable="d"
         d:DataContext="{d:DesignInstance Type=viewModels:MainWindowViewModel}"
         Title="{Binding WindowTitle}" Height="707" Width="930" BorderThickness="1" BorderBrush="Black">
     <Window.Resources>
         <BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter" />
+        <converters:ActiveDocumentConverter x:Key="ActiveDocumentConverter" />
     </Window.Resources>
         
     <DockPanel>
@@ -22,7 +24,7 @@
                 <MenuItem Header="_Open Script" Command="{Binding OpenScriptCommand}" Icon="{StaticResource OpenIcon}"/>
                 <MenuItem Header="_Save Script" Command="{Binding SaveScriptCommand}" Icon="{StaticResource SaveIcon}"/>
                 <MenuItem Header="Save Script _As" Command="{Binding SaveScriptAsCommand}"  Icon="{StaticResource SaveIcon}"/>
-                <MenuItem Header="_Close Script" Command="{Binding CloseScriptCommand}" CommandParameter="{Binding CurrentScriptViewModel}"/>
+                <MenuItem Header="_Close Script" Command="{Binding CloseScriptCommand}" CommandParameter="{Binding ActiveDocument}"/>
                 <MenuItem Header="E_xit"/>
             </MenuItem>
             <MenuItem Header="_Edit">
@@ -46,7 +48,63 @@
             </ToolBar>
         </ToolBarTray>
         <Grid>
-            <controls:MetroTabControl ItemsSource="{Binding ScriptViewModels}" SelectedItem="{Binding CurrentScriptViewModel}" Name="TabControl" Background="White">
+            <avalonDock:DockingManager x:Name="dockManager"
+                                       AnchorablesSource="{Binding Tools}"
+                                       DocumentsSource="{Binding ScriptViewModels}"
+                                       ActiveContent="{Binding ActiveDocument, Mode=TwoWay, Converter={StaticResource ActiveDocumentConverter}}">
+                <avalonDock:DockingManager.LayoutItemTemplateSelector>
+                    <views:PanesTemplateSelector>
+                        <views:PanesTemplateSelector.ItemFilterScriptTemplate>
+                            <DataTemplate>
+                                <views:ItemFilterScriptView DataContext="{Binding}" />
+                            </DataTemplate>
+                        </views:PanesTemplateSelector.ItemFilterScriptTemplate>
+                        <views:PanesTemplateSelector.SectionBrowserTemplate>
+                            <DataTemplate>
+                                <views:SectionBrowserView DataContext="{Binding}" />
+                            </DataTemplate>
+                        </views:PanesTemplateSelector.SectionBrowserTemplate>
+                    </views:PanesTemplateSelector>
+                </avalonDock:DockingManager.LayoutItemTemplateSelector>
+                
+                <avalonDock:DockingManager.LayoutItemContainerStyleSelector>
+                    <views:PanesStyleSelector>
+                        <views:PanesStyleSelector.ToolStyle>
+                            <Style TargetType="{x:Type avalonDock:LayoutAnchorableItem}">
+                                <Setter Property="Title" Value="{Binding Model.Title}"/>
+                                <Setter Property="IconSource" Value="{Binding Model.IconSource}"/>
+                                <Setter Property="Visibility" Value="{Binding Model.IsVisible, Mode=TwoWay, Converter={StaticResource BooleanToVisibilityConverter}, ConverterParameter={x:Static Visibility.Hidden}}"/>
+                                <Setter Property="ContentId" Value="{Binding Model.ContentId}"/>
+                                <Setter Property="IsSelected" Value="{Binding Model.IsSelected, Mode=TwoWay}"/>
+                                <Setter Property="IsActive" Value="{Binding Model.IsActive, Mode=TwoWay}"/>
+                            </Style>
+                        </views:PanesStyleSelector.ToolStyle>
+                        <views:PanesStyleSelector.ScriptStyle>
+                            <Style TargetType="{x:Type avalonDock:LayoutItem}">
+                                <Setter Property="Title" Value="{Binding Model.Title}"/>
+                                <!--<Setter Property="ToolTip" Value="{Binding Model.FilePath}"/>
+                                <Setter Property="CloseCommand" Value="{Binding Model.CloseCommand}"/>-->
+                                <Setter Property="IconSource" Value="{Binding Model.IconSource}"/>
+                                <Setter Property="ContentId" Value="{Binding Model.ContentId}"/>
+                            </Style>
+                        </views:PanesStyleSelector.ScriptStyle>
+                    </views:PanesStyleSelector>
+                </avalonDock:DockingManager.LayoutItemContainerStyleSelector>
+                <avalonDock:DockingManager.LayoutUpdateStrategy>
+                    <views:LayoutInitializer></views:LayoutInitializer>
+                </avalonDock:DockingManager.LayoutUpdateStrategy>
+                
+                <avalonDock:LayoutRoot>
+                    <avalonDock:LayoutPanel Orientation="Horizontal">
+                        <avalonDock:LayoutAnchorablePane Name="ToolsPane" DockWidth="150" />
+                        <avalonDock:LayoutDocumentPane/>
+                        
+                    </avalonDock:LayoutPanel>
+                </avalonDock:LayoutRoot>
+            </avalonDock:DockingManager>
+                                       
+            
+            <!--<controls:MetroTabControl ItemsSource="{Binding ScriptViewModels}" SelectedItem="{Binding CurrentScriptViewModel}" Name="TabControl" Background="White">
                 <TabControl.ItemTemplate>
                     <DataTemplate>
                         <StackPanel Orientation="Horizontal" Margin="5,0,0,0">
@@ -62,7 +120,7 @@
                         </controls:MetroContentControl>
                     </DataTemplate>
                 </TabControl.ContentTemplate>
-            </controls:MetroTabControl>
+            </controls:MetroTabControl>-->
             <TextBlock FontStyle="Italic" Margin="5" FontSize="13" Visibility="{Binding NoScriptsOpen, Converter={StaticResource BooleanToVisibilityConverter}}">Welcome to Filtration, to get started either 
                 <Hyperlink Command="{Binding NewScriptCommand}">create a new script</Hyperlink> or <Hyperlink Command="{Binding OpenScriptCommand}">open an existing script</Hyperlink></TextBlock>
         </Grid>
diff --git a/Filtration/Views/PanesStyleSelector.cs b/Filtration/Views/PanesStyleSelector.cs
new file mode 100644
index 0000000..ea96fe7
--- /dev/null
+++ b/Filtration/Views/PanesStyleSelector.cs
@@ -0,0 +1,27 @@
+using System.Windows;
+using System.Windows.Controls;
+using Filtration.ViewModels;
+
+namespace Filtration.Views
+{
+    class PanesStyleSelector : StyleSelector
+    {
+        public Style ToolStyle { get; set; }
+        public Style ScriptStyle { get; set; }
+
+        public override Style SelectStyle(object item, DependencyObject container)
+        {
+            if (item is ToolViewModel)
+            {
+                return ToolStyle;
+            }
+
+            if (item is IItemFilterScriptViewModel)
+            {
+                return ScriptStyle;
+            }
+
+            return base.SelectStyle(item, container);
+        }
+    }
+}
diff --git a/Filtration/Views/PanesTemplateSelector.cs b/Filtration/Views/PanesTemplateSelector.cs
new file mode 100644
index 0000000..6803e8c
--- /dev/null
+++ b/Filtration/Views/PanesTemplateSelector.cs
@@ -0,0 +1,33 @@
+using System.Windows;
+using System.Windows.Controls;
+using Filtration.ViewModels;
+using Xceed.Wpf.AvalonDock.Layout;
+
+namespace Filtration.Views
+{
+    class PanesTemplateSelector : DataTemplateSelector
+    {
+        public DataTemplate ItemFilterScriptTemplate { get; set; }
+
+        public DataTemplate SectionBrowserTemplate { get; set; }
+
+
+
+        public override DataTemplate SelectTemplate(object item, DependencyObject container)
+        {
+            var itemAsLayoutContent = item as LayoutContent;
+
+            if (item is ItemFilterScriptViewModel)
+            {
+                return ItemFilterScriptTemplate;
+            }
+
+            if (item is SectionBrowserViewModel)
+            {
+                return SectionBrowserTemplate;
+            }
+
+            return base.SelectTemplate(item, container);
+        }
+    }
+}
diff --git a/Filtration/Views/SectionBrowserView.xaml b/Filtration/Views/SectionBrowserView.xaml
new file mode 100644
index 0000000..30ff345
--- /dev/null
+++ b/Filtration/Views/SectionBrowserView.xaml
@@ -0,0 +1,23 @@
+<UserControl x:Class="Filtration.Views.SectionBrowserView"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:viewModels="clr-namespace:Filtration.ViewModels"
+             d:DataContext="{d:DesignInstance Type=viewModels:SectionBrowserViewModel}"
+             mc:Ignorable="d" 
+             d:DesignHeight="300" d:DesignWidth="300">
+    <Grid>
+        <ListBox ItemsSource="{Binding SectionBlockViewModels}"
+                             SelectedItem="{Binding SelectedSectionBlockViewModel}"
+                             x:Name="SectionBrowserListBox"
+                             
+                             ScrollViewer.HorizontalScrollBarVisibility="Hidden"><!--SelectionChanged="SectionBrowserListBox_OnSelectionChanged"-->
+            <ListBox.ItemTemplate>
+                <DataTemplate>
+                    <TextBlock Text="{Binding Block.Description}" ToolTip="{Binding Block.Description}" />
+                </DataTemplate>
+            </ListBox.ItemTemplate>
+        </ListBox>
+    </Grid>
+</UserControl>
diff --git a/Filtration/Views/SectionBrowserView.xaml.cs b/Filtration/Views/SectionBrowserView.xaml.cs
new file mode 100644
index 0000000..092469e
--- /dev/null
+++ b/Filtration/Views/SectionBrowserView.xaml.cs
@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace Filtration.Views
+{
+    /// <summary>
+    /// Interaction logic for SectionBrowserView.xaml
+    /// </summary>
+    public partial class SectionBrowserView : UserControl
+    {
+        public SectionBrowserView()
+        {
+            InitializeComponent();
+        }
+    }
+}
diff --git a/Filtration/WindsorInstallers/ViewModelsInstaller.cs b/Filtration/WindsorInstallers/ViewModelsInstaller.cs
index c9d4074..7be569e 100644
--- a/Filtration/WindsorInstallers/ViewModelsInstaller.cs
+++ b/Filtration/WindsorInstallers/ViewModelsInstaller.cs
@@ -13,7 +13,7 @@ namespace Filtration.WindsorInstallers
             container.Register(
                 Component.For<IMainWindowViewModel>()
                     .ImplementedBy<MainWindowViewModel>()
-                    .LifeStyle.Transient);
+                    .LifeStyle.Singleton);
 
             container.Register(
                 Component.For<IItemFilterBlockViewModel>()
@@ -30,6 +30,11 @@ namespace Filtration.WindsorInstallers
                     .ImplementedBy<ReplaceColorsViewModel>()
                     .LifeStyle.Singleton);
 
+            container.Register(
+                Component.For<ISectionBrowserViewModel>()
+                    .ImplementedBy<SectionBrowserViewModel>()
+                    .LifeStyle.Singleton);
+
             container.AddFacility<TypedFactoryFacility>();
             container.Register(
                 Component.For<IItemFilterBlockViewModelFactory>().AsFactory());
diff --git a/Filtration/packages.config b/Filtration/packages.config
index 8542791..b81b2e5 100644
--- a/Filtration/packages.config
+++ b/Filtration/packages.config
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="AvalonDock" version="2.0.2000" targetFramework="net451" />
   <package id="Castle.Core" version="3.3.0" targetFramework="net451" />
   <package id="Castle.Windsor" version="3.3.0" targetFramework="net451" />
   <package id="CommonServiceLocator" version="1.3" targetFramework="net451" />