DB Module with lazy loading working...

2 files changed, 46 insertions, 0 deletions

diff --git a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.DB/ViewModels/MainViewVM.cs b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.DB/ViewModels/MainViewVM.cs
index 727436306..2f3419d67 100644
--- a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.DB/ViewModels/MainViewVM.cs
+++ b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.DB/ViewModels/MainViewVM.cs
@@ -7,6 +7,7 @@ using System.Threading.Tasks;
 using System.Windows;
 using Tango.BL;
 using Tango.BL.Entities;
+using Tango.Core.Commands;
 using Tango.Core.DI;
 using Tango.MachineStudio.Common;
 using Tango.MachineStudio.Common.StudioApplication;
@@ -16,9 +17,40 @@ namespace Tango.MachineStudio.DB.ViewModels
 {
     public class MainViewVM : StudioViewModel<DBModule>
     {
+        private bool _isLoading;
+        public bool IsLoading
+        {
+            get { return _isLoading; }
+            set { _isLoading = value; RaisePropertyChangedAuto(); }
+        }
+
+        private bool _notLoaded;
+        public bool NotLoaded
+        {
+            get { return _notLoaded; }
+            set { _notLoaded = value; RaisePropertyChangedAuto(); }
+        }
+
+        public RelayCommand LoadCommand { get; set; }
+
         public MainViewVM() : base()
         {
+            NotLoaded = true;
+            LoadCommand = new RelayCommand(LoadAdapter,() => !IsLoading);
+        }
+
+        private async void LoadAdapter()
+        {
+            IsLoading = true;
+            InvalidateRelayCommands();
+
+            await Task.Factory.StartNew(() => 
+            {
+                ObservablesEntitiesAdapter.Instance.Initialize();
+            });
 
+            IsLoading = false;
+            NotLoaded = false;
         }
 
         public override void OnModuleRequest(params object[] args)
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 a6edd80da..050ce5f31 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
@@ -6,6 +6,7 @@
              xmlns:dockablz="clr-namespace:Dragablz.Dockablz;assembly=Dragablz"
              xmlns:dragablz="clr-namespace:Dragablz;assembly=Dragablz"
              xmlns:controls="clr-namespace:Tango.SharedUI.Controls;assembly=Tango.SharedUI"
+             xmlns:mahapps="http://metro.mahapps.com/winfx/xaml/controls"
              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"
@@ -154,5 +155,18 @@
 
             <Thumb HorizontalAlignment="Left" Opacity="0" Width="5" VerticalAlignment="Stretch" Cursor="SizeWE" DragDelta="Thumb_DragDelta"></Thumb>
         </Grid>
+
+        <Grid Background="#C9000000" Visibility="{Binding NotLoaded,Converter={StaticResource BoolToVisConverter}}">
+            <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center" Margin="0 20 0 0">
+                <TextBlock TextAlignment="Center" FontSize="16" Foreground="Gainsboro">
+                    <Run>The Database module is considered obsolete and will be removed in the future.</Run>
+                    <LineBreak/>
+                    <Run>Loading the module will require some time and memory.</Run>
+                </TextBlock>
+
+                <Button Height="50" Width="200" Margin="0 40 0 0" Command="{Binding LoadCommand}">LOAD</Button>
+                <mahapps:ProgressRing Margin="0 20 0 0" IsActive="{Binding IsLoading}" />
+            </StackPanel>
+        </Grid>
     </Grid>
 </UserControl>