Implemented new MDI Container Control !

12 files changed, 355 insertions, 64 deletions

diff --git a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.DB/Managers/RegisteredView.cs b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.DB/Managers/RegisteredView.cs
index 00c7d341a..fc9051edb 100644
--- a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.DB/Managers/RegisteredView.cs
+++ b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.DB/Managers/RegisteredView.cs
@@ -1,21 +1,25 @@
-using System;
+using MaterialDesignThemes.Wpf;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using System.Windows;
 using Tango.Core.Commands;
+using Tango.MachineStudio.Common.Controls;
 
 namespace Tango.MachineStudio.DB.Managers
 {
-    public class RegisteredView
+    public class RegisteredView : MdiChild
     {
-        public String Header { get; set; }
-        public FrameworkElement View { get; set; }
+        private static Random rnd = new Random();
+
         public RelayCommand AddCommand { get; set; }
 
         public RegisteredView(String header, FrameworkElement view, Action action)
         {
+            Location = new Point(rnd.Next(30, 200), rnd.Next(30, 200));
+            Icon = PackIconKind.Table;
             Header = header;
             View = view;
 
diff --git a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.DB/Views/MainDBView.xaml b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.DB/Views/MainDBView.xaml
index 5ba51fea8..c7c636d53 100644
--- a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.DB/Views/MainDBView.xaml
+++ b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.DB/Views/MainDBView.xaml
@@ -9,6 +9,7 @@
              xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
              xmlns:i="clr-namespace:System.Windows.Interactivity;assembly=System.Windows.Interactivity"
              xmlns:managers="clr-namespace:Tango.MachineStudio.DB.Managers"
+             xmlns:commonControls="clr-namespace:Tango.MachineStudio.Common.Controls;assembly=Tango.MachineStudio.Common"
              xmlns:local="clr-namespace:Tango.MachineStudio.DB.Views"
              mc:Ignorable="d" 
              d:DesignHeight="720" d:DesignWidth="1270" Background="White" DataContext="{Binding MainViewVM, Source={StaticResource Locator}}">
@@ -44,9 +45,8 @@
                 <Grid.Background>
                     <ImageBrush ImageSource="../Images/seamless-grid.jpg" Stretch="None" TileMode="Tile" ViewportUnits="Absolute" Viewport="0,0,32,32"></ImageBrush>
                 </Grid.Background>
-                <dockablz:Layout ScrollViewer.VerticalScrollBarVisibility="Visible" ScrollViewer.HorizontalScrollBarVisibility="Visible" FloatingItemsSource="{x:Static managers:ViewsManager.DisplayedViews}" FloatingItemDisplayMemberPath="View" FloatingItemHeaderMemberPath="Header">
 
-                </dockablz:Layout>
+                <commonControls:MdiContainerControl ItemsSource="{x:Static managers:ViewsManager.DisplayedViews}"></commonControls:MdiContainerControl>
             </Grid>
         </Grid>
     </Grid>
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Controls/MdiChild.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Controls/MdiChild.cs
new file mode 100644
index 000000000..469e3fda5
--- /dev/null
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Controls/MdiChild.cs
@@ -0,0 +1,58 @@
+using MaterialDesignThemes.Wpf;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using Tango.Core.Commands;
+
+namespace Tango.MachineStudio.Common.Controls
+{
+    public class MdiChild : DependencyObject
+    {
+        public MdiChild()
+        {
+           
+        }
+
+        public MdiChild(String header, FrameworkElement view) : this()
+        {
+            Header = header;
+            View = view;
+        }
+
+        public PackIconKind Icon
+        {
+            get { return (PackIconKind)GetValue(IconProperty); }
+            set { SetValue(IconProperty, value); }
+        }
+        public static readonly DependencyProperty IconProperty =
+            DependencyProperty.Register("Icon", typeof(PackIconKind), typeof(MdiChild), new PropertyMetadata(PackIconKind.LaptopWindows));
+
+        public String Header
+        {
+            get { return (String)GetValue(HeaderProperty); }
+            set { SetValue(HeaderProperty, value); }
+        }
+        public static readonly DependencyProperty HeaderProperty =
+            DependencyProperty.Register("Header", typeof(String), typeof(MdiChild), new PropertyMetadata(null));
+
+        public FrameworkElement View
+        {
+            get { return (FrameworkElement)GetValue(ViewProperty); }
+            set { SetValue(ViewProperty, value); }
+        }
+        public static readonly DependencyProperty ViewProperty =
+            DependencyProperty.Register("View", typeof(FrameworkElement), typeof(MdiChild), new PropertyMetadata(null));
+
+        public Point Location
+        {
+            get { return (Point)GetValue(LocationProperty); }
+            set { SetValue(LocationProperty, value); }
+        }
+        public static readonly DependencyProperty LocationProperty =
+            DependencyProperty.Register("Location", typeof(Point), typeof(MdiChild), new PropertyMetadata(new Point()));
+    }
+}
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Controls/MdiContainerControl.xaml b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Controls/MdiContainerControl.xaml
new file mode 100644
index 000000000..3896347fe
--- /dev/null
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Controls/MdiContainerControl.xaml
@@ -0,0 +1,75 @@
+<UserControl x:Class="Tango.MachineStudio.Common.Controls.MdiContainerControl"
+             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:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
+             xmlns:local="clr-namespace:Tango.MachineStudio.Common.Controls"
+             xmlns:converters="clr-namespace:Tango.MachineStudio.Common.Converters"
+             mc:Ignorable="d" 
+             d:DesignHeight="300" d:DesignWidth="300" Background="White">
+
+    <UserControl.Resources>
+        <converters:PointToMarginConverter x:Key="PointToMarginConverter"></converters:PointToMarginConverter>
+    </UserControl.Resources>
+    
+    <Grid>
+        <ScrollViewer HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto">
+            <ItemsControl ItemsSource="{Binding RelativeSource={RelativeSource AncestorType=UserControl,Mode=FindAncestor},Path=ItemsSource}" x:Name="itemsControl">
+                <ItemsControl.ItemsPanel>
+                    <ItemsPanelTemplate>
+                        <Canvas x:Name="canvas"  HorizontalAlignment="Left" VerticalAlignment="Top"></Canvas>
+                    </ItemsPanelTemplate>
+                </ItemsControl.ItemsPanel>
+                <ItemsControl.ItemContainerStyle>
+                    <Style TargetType="FrameworkElement">
+                        <Setter Property="Canvas.Left" Value="{Binding Location.X}"></Setter>
+                        <Setter Property="Canvas.Top" Value="{Binding Location.Y}"></Setter>
+                        <EventSetter Event="PreviewMouseDown" Handler="OnControlMouseDown"></EventSetter>
+                    </Style>
+                </ItemsControl.ItemContainerStyle>
+                <ItemsControl.ItemTemplate>
+                    <DataTemplate>
+                        <Grid>
+                            <Grid.Effect>
+                                <DropShadowEffect ShadowDepth="0" BlurRadius="10" />
+                            </Grid.Effect>
+                            <Grid>
+                                <Grid.RowDefinitions>
+                                    <RowDefinition Height="25"/>
+                                    <RowDefinition Height="277*"/>
+                                </Grid.RowDefinitions>
+
+                                <Grid Background="{StaticResource AccentColorBrush}">
+                                    <Thumb Opacity="0" DragDelta="OnControlDragging" Tag="{Binding}"></Thumb>
+                                    <DockPanel LastChildFill="False">
+                                        <StackPanel IsHitTestVisible="False" DockPanel.Dock="Left" VerticalAlignment="Center" Orientation="Horizontal" Margin="5 0 0 0">
+                                            <materialDesign:PackIcon Kind="{Binding Icon}" Foreground="White"></materialDesign:PackIcon>
+                                            <TextBlock Margin="5 0 0 0" VerticalAlignment="Center" Foreground="White" Text="{Binding Header}"></TextBlock>
+                                        </StackPanel>
+
+                                        <StackPanel DockPanel.Dock="Right" VerticalAlignment="Center" Orientation="Horizontal">
+                                            <Button Foreground="White" Style="{StaticResource MaterialDesignFlatButton}" ToolTip="Close" Width="24" Height="24" Padding="0" Click="OnControlClosed" Tag="{Binding}">
+                                                <materialDesign:PackIcon Kind="WindowClose" />
+                                            </Button>
+                                        </StackPanel>
+                                    </DockPanel>
+                                </Grid>
+
+                                <Grid Grid.Row="1" MinWidth="100" MinHeight="100">
+                                    <ScrollViewer HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto">
+                                        <ContentPresenter Content="{Binding View}"></ContentPresenter>
+                                    </ScrollViewer>
+
+                                    <Thumb HorizontalAlignment="Right" VerticalAlignment="Stretch" Opacity="0" Width="5" Cursor="SizeWE" DragDelta="OnControlSizeRight" Tag="{Binding}"></Thumb>
+                                    <Thumb HorizontalAlignment="Stretch" VerticalAlignment="Bottom" Opacity="0" Height="5" Cursor="SizeNS" DragDelta="OnControlSizeBottom" Tag="{Binding}"></Thumb>
+                                    <Thumb HorizontalAlignment="Right" VerticalAlignment="Bottom" Opacity="0" Height="10" Width="10" Cursor="SizeNWSE" DragDelta="OnControlResize" Tag="{Binding}"></Thumb>
+                                </Grid>
+                            </Grid>
+                        </Grid>
+                    </DataTemplate>
+                </ItemsControl.ItemTemplate>
+            </ItemsControl>
+        </ScrollViewer>    
+    </Grid>
+</UserControl>
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Controls/MdiContainerControl.xaml.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Controls/MdiContainerControl.xaml.cs
new file mode 100644
index 000000000..dbf4ee74b
--- /dev/null
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Controls/MdiContainerControl.xaml.cs
@@ -0,0 +1,102 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Controls.Primitives;
+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;
+using Tango.SharedUI.Helpers;
+
+namespace Tango.MachineStudio.Common.Controls
+{
+    /// <summary>
+    /// Interaction logic for MdiContainerControl.xaml
+    /// </summary>
+    public partial class MdiContainerControl : UserControl
+    {
+        private const int MIN_SIZE = 200;
+
+        public MdiContainerControl()
+        {
+            InitializeComponent();
+        }
+
+        public IEnumerable ItemsSource
+        {
+            get { return (IEnumerable)GetValue(ItemsSourceProperty); }
+            set { SetValue(ItemsSourceProperty, value); }
+        }
+        public static readonly DependencyProperty ItemsSourceProperty =
+            DependencyProperty.Register("ItemsSource", typeof(IEnumerable), typeof(MdiContainerControl), new PropertyMetadata(null));
+
+        private void OnControlDragging(object sender, DragDeltaEventArgs e)
+        {
+            var mdiControl = GetSenderTag<MdiChild>(sender);
+            mdiControl.Location = new Point(mdiControl.Location.X + e.HorizontalChange, mdiControl.Location.Y + e.VerticalChange);
+            FitCanvas();
+        }
+
+        private T GetSenderTag<T>(object sender) where T : class
+        {
+            return (T)((sender as FrameworkElement).Tag);
+        }
+
+        private void FitCanvas()
+        {
+            Canvas canvas = GetCanvas();
+            canvas.Width = canvas.Children.OfType<FrameworkElement>().Max(x => Canvas.GetLeft(x) + x.ActualWidth);
+            canvas.Height = canvas.Children.OfType<FrameworkElement>().Max(x => Canvas.GetTop(x) + x.ActualHeight);
+        }
+
+        private Canvas GetCanvas()
+        {
+            return UIHelper.FindChild<Canvas>(itemsControl, "canvas");
+        }
+
+
+        private void OnControlMouseDown(object sender, MouseButtonEventArgs e)
+        {
+            Canvas.SetZIndex(sender as FrameworkElement, GetCanvas().Children.OfType<FrameworkElement>().Max(x => Canvas.GetZIndex(x) + 1));
+        }
+
+        private void OnControlSizeRight(object sender, DragDeltaEventArgs e)
+        {
+            var mdiControl = GetSenderTag<MdiChild>(sender);
+            if (double.IsNaN(mdiControl.View.Width)) mdiControl.View.Width = mdiControl.View.ActualWidth;
+            if (mdiControl.View.Width + e.HorizontalChange > MIN_SIZE) mdiControl.View.Width += e.HorizontalChange;
+        }
+
+        private void OnControlSizeBottom(object sender, DragDeltaEventArgs e)
+        {
+            var mdiControl = GetSenderTag<MdiChild>(sender);
+            if (double.IsNaN(mdiControl.View.Height)) mdiControl.View.Height = mdiControl.View.ActualHeight;
+            if (mdiControl.View.Height + e.VerticalChange > MIN_SIZE) mdiControl.View.Height += e.VerticalChange;
+        }
+
+        private void OnControlResize(object sender, DragDeltaEventArgs e)
+        {
+            var mdiControl = GetSenderTag<MdiChild>(sender);
+
+            if (double.IsNaN(mdiControl.View.Height)) mdiControl.View.Height = mdiControl.View.ActualHeight;
+            if (double.IsNaN(mdiControl.View.Width)) mdiControl.View.Width = mdiControl.View.ActualWidth;
+
+            if (mdiControl.View.Height + e.VerticalChange > MIN_SIZE) mdiControl.View.Height += e.VerticalChange;
+            if (mdiControl.View.Width + e.HorizontalChange > MIN_SIZE) mdiControl.View.Width += e.HorizontalChange;
+        }
+
+        private void OnControlClosed(object sender, RoutedEventArgs e)
+        {
+            (ItemsSource as IList).Remove(GetSenderTag<MdiChild>(sender));
+        }
+    }
+}
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Converters/PointToMarginConverter.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Converters/PointToMarginConverter.cs
new file mode 100644
index 000000000..e6587b1ee
--- /dev/null
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Converters/PointToMarginConverter.cs
@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Data;
+
+namespace Tango.MachineStudio.Common.Converters
+{
+    public class PointToMarginConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            Point p = (Point)value;
+            return new Thickness(p.X, p.Y, 0, 0);
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Tango.MachineStudio.Common.csproj b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Tango.MachineStudio.Common.csproj
index 0a73c396b..28c2ba817 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Tango.MachineStudio.Common.csproj
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Tango.MachineStudio.Common.csproj
@@ -53,19 +53,20 @@
     <Reference Include="PresentationFramework" />
   </ItemGroup>
   <ItemGroup>
-    <Page Include="UserControl1.xaml">
-      <Generator>MSBuild:Compile</Generator>
+    <Page Include="Controls\MdiContainerControl.xaml">
       <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
     </Page>
     <Compile Include="..\..\Versioning\GlobalVersionInfo.cs">
       <Link>GlobalVersionInfo.cs</Link>
     </Compile>
+    <Compile Include="Controls\MdiChild.cs" />
+    <Compile Include="Controls\MdiContainerControl.xaml.cs">
+      <DependentUpon>MdiContainerControl.xaml</DependentUpon>
+    </Compile>
+    <Compile Include="Converters\PointToMarginConverter.cs" />
     <Compile Include="IStudioModule.cs" />
     <Compile Include="Notifications\INotificationProvider.cs" />
-    <Compile Include="UserControl1.xaml.cs">
-      <DependentUpon>UserControl1.xaml</DependentUpon>
-      <SubType>Code</SubType>
-    </Compile>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs">
@@ -91,5 +92,15 @@
       <LastGenOutput>Settings.Designer.cs</LastGenOutput>
     </None>
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\Tango.Core\Tango.Core.csproj">
+      <Project>{a34ee0f0-649d-41c8-8489-b6f1cc6924ee}</Project>
+      <Name>Tango.Core</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Tango.SharedUI\Tango.SharedUI.csproj">
+      <Project>{8491d07b-c1f6-4b62-a412-41b9fd2d6538}</Project>
+      <Name>Tango.SharedUI</Name>
+    </ProjectReference>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/UserControl1.xaml b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/UserControl1.xaml
deleted file mode 100644
index 68210e9f6..000000000
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/UserControl1.xaml
+++ /dev/null
@@ -1,12 +0,0 @@
-<UserControl x:Class="Tango.MachineStudio.Common.UserControl1"
-             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:local="clr-namespace:Tango.MachineStudio.Common"
-             mc:Ignorable="d" 
-             d:DesignHeight="300" d:DesignWidth="300">
-    <Grid>
-            
-    </Grid>
-</UserControl>
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/UserControl1.xaml.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/UserControl1.xaml.cs
deleted file mode 100644
index 9028e3810..000000000
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/UserControl1.xaml.cs
+++ /dev/null
@@ -1,28 +0,0 @@
-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 Tango.MachineStudio.Common
-{
-    /// <summary>
-    /// Interaction logic for UserControl1.xaml
-    /// </summary>
-    public partial class UserControl1 : UserControl
-    {
-        public UserControl1()
-        {
-            InitializeComponent();
-        }
-    }
-}
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/ViewModels/MainViewVM.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/ViewModels/MainViewVM.cs
index 5fb4b436d..e0aff5be3 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/ViewModels/MainViewVM.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/ViewModels/MainViewVM.cs
@@ -61,18 +61,7 @@ namespace Tango.MachineStudio.UI.ViewModels
                 try
                 {
                     Assembly moduleAssembly = null;
-                    String pdbFile = Path.ChangeExtension(file, ".pdb");
-                    var data = File.ReadAllBytes(file);
-
-                    if (File.Exists(pdbFile))
-                    {
-                        var pdbData = File.ReadAllBytes(pdbFile);
-                        moduleAssembly = Assembly.Load(data, pdbData);
-                    }
-                    else
-                    {
-                        moduleAssembly = Assembly.Load(data);
-                    }
+                    moduleAssembly = Assembly.LoadFrom(file);
 
                     if (moduleAssembly != null)
                     {
diff --git a/Software/Visual_Studio/Tango.SharedUI/Helpers/UIHelper.cs b/Software/Visual_Studio/Tango.SharedUI/Helpers/UIHelper.cs
new file mode 100644
index 000000000..12178e428
--- /dev/null
+++ b/Software/Visual_Studio/Tango.SharedUI/Helpers/UIHelper.cs
@@ -0,0 +1,66 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Media;
+
+namespace Tango.SharedUI.Helpers
+{
+    public static class UIHelper
+    {
+        /// <summary>
+        /// Finds a Child of a given item in the visual tree. 
+        /// </summary>
+        /// <param name="parent">A direct parent of the queried item.</param>
+        /// <typeparam name="T">The type of the queried item.</typeparam>
+        /// <param name="childName">x:Name or Name of child. </param>
+        /// <returns>The first parent item that matches the submitted type parameter. 
+        /// If not matching item can be found, 
+        /// a null parent is being returned.</returns>
+        public static T FindChild<T>(DependencyObject parent, string childName)
+           where T : DependencyObject
+        {
+            // Confirm parent and childName are valid. 
+            if (parent == null) return null;
+
+            T foundChild = null;
+
+            int childrenCount = VisualTreeHelper.GetChildrenCount(parent);
+            for (int i = 0; i < childrenCount; i++)
+            {
+                var child = VisualTreeHelper.GetChild(parent, i);
+                // If the child is not of the request child type child
+                T childType = child as T;
+                if (childType == null)
+                {
+                    // recursively drill down the tree
+                    foundChild = FindChild<T>(child, childName);
+
+                    // If the child is found, break so we do not overwrite the found child. 
+                    if (foundChild != null) break;
+                }
+                else if (!string.IsNullOrEmpty(childName))
+                {
+                    var frameworkElement = child as FrameworkElement;
+                    // If the child's name is set for search
+                    if (frameworkElement != null && frameworkElement.Name == childName)
+                    {
+                        // if the child's name is of the request name
+                        foundChild = (T)child;
+                        break;
+                    }
+                }
+                else
+                {
+                    // child element found.
+                    foundChild = (T)child;
+                    break;
+                }
+            }
+
+            return foundChild;
+        }
+    }
+}
diff --git a/Software/Visual_Studio/Tango.SharedUI/Tango.SharedUI.csproj b/Software/Visual_Studio/Tango.SharedUI/Tango.SharedUI.csproj
index 0b0716948..228322297 100644
--- a/Software/Visual_Studio/Tango.SharedUI/Tango.SharedUI.csproj
+++ b/Software/Visual_Studio/Tango.SharedUI/Tango.SharedUI.csproj
@@ -99,6 +99,7 @@
       <DependentUpon>ParameterizedEditor.xaml</DependentUpon>
     </Compile>
     <Compile Include="Helpers\ResourceHelper.cs" />
+    <Compile Include="Helpers\UIHelper.cs" />
     <Compile Include="IView.cs" />
     <Compile Include="Properties\AssemblyInfo.cs">
       <SubType>Code</SubType>