Core - Added ColorGradient type to use for.. gradients!

Core - Initialisation process no longer takes place in core constructor and is no longer async
UI - Fixed exceptions during init not being shown
Gradient editor - Started work on this

src/Artemis.UI/Screens/Module/ProfileEditor/LayerProperties/LayerPropertiesViewModel.cs

@@ -95,7 +95,7 @@ namespace Artemis.UI.Screens.Module.ProfileEditor.LayerProperties
             base.OnDeactivate();
         }
         
-        private void ProfileEditorServiceOnProfileElementSelected(object? sender, ProfileElementEventArgs e)
+        private void ProfileEditorServiceOnProfileElementSelected(object sender, ProfileElementEventArgs e)
         {
             PopulateProperties(e.ProfileElement, e.PreviousProfileElement);
         }

src/Artemis.UI/Screens/Module/ProfileEditor/LayerProperties/PropertyTree/PropertyInput/BrushPropertyInputView.xaml.cs

@@ -1,15 +0,0 @@
-using System.Windows.Controls;
-
-namespace Artemis.UI.Screens.Module.ProfileEditor.LayerProperties.PropertyTree.PropertyInput
-{
-    /// <summary>
-    ///     Interaction logic for BrushPropertyInputView.xaml
-    /// </summary>
-    public partial class BrushPropertyInputView : UserControl
-    {
-        public BrushPropertyInputView()
-        {
-            InitializeComponent();
-        }
-    }
-}

src/Artemis.UI/Screens/Module/ProfileEditor/LayerProperties/PropertyTree/PropertyInput/ColorGradientPropertyInputView.xaml

@@ -0,0 +1,20 @@
+<UserControl x:Class="Artemis.UI.Screens.Module.ProfileEditor.LayerProperties.PropertyTree.PropertyInput.ColorGradientPropertyInputView"
+             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:Artemis.UI.Screens.Module.ProfileEditor.LayerProperties.PropertyTree.PropertyInput"
+             xmlns:artemis="clr-namespace:Artemis.UI.Shared;assembly=Artemis.UI.Shared"
+             xmlns:converters="clr-namespace:Artemis.UI.Shared.Converters;assembly=Artemis.UI.Shared"
+             mc:Ignorable="d"
+             d:DesignHeight="25" d:DesignWidth="800"
+             d:DataContext="{d:DesignInstance local:ColorGradientPropertyInputViewModel}">
+    <StackPanel Orientation="Horizontal">
+        <TextBlock Margin="0 0 5 4" Width="10" VerticalAlignment="Bottom" Text="{Binding LayerPropertyViewModel.LayerProperty.InputPrefix}" />
+        <artemis:GradientPicker Width="132"
+                                Margin="0 2"
+                                Padding="0 -1"
+                                ColorGradient="{Binding ColorGradientInputValue}" />
+        <TextBlock Margin="5 0 0 4" Width="10" VerticalAlignment="Bottom" Text="{Binding LayerPropertyViewModel.LayerProperty.InputAffix}" />
+    </StackPanel>
+</UserControl>

src/Artemis.UI/Screens/Module/ProfileEditor/LayerProperties/PropertyTree/PropertyInput/ColorGradientPropertyInputViewModel.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using Artemis.Core.Models.Profile;
+using Artemis.UI.Services.Interfaces;
+
+namespace Artemis.UI.Screens.Module.ProfileEditor.LayerProperties.PropertyTree.PropertyInput
+{
+    public class ColorGradientPropertyInputViewModel : PropertyInputViewModel
+    {
+        public ColorGradientPropertyInputViewModel(IProfileEditorService profileEditorService) : base(profileEditorService)
+        {
+        }
+
+        public sealed override List<Type> CompatibleTypes { get; } = new List<Type> {typeof(ColorGradient)};
+
+        public ColorGradient ColorGradientInputValue
+        {
+            get => (ColorGradient) InputValue ?? new ColorGradient();
+            set => InputValue = value;
+        }
+
+        public override void Update()
+        {
+            NotifyOfPropertyChange(() => ColorGradientInputValue);
+        }
+    }
+}

src/Artemis.UI/Screens/Module/ProfileEditor/LayerProperties/PropertyTree/PropertyInput/EnumPropertyInputView.xaml.cs

@@ -1,15 +0,0 @@
-using System.Windows.Controls;
-
-namespace Artemis.UI.Screens.Module.ProfileEditor.LayerProperties.PropertyTree.PropertyInput
-{
-    /// <summary>
-    ///     Interaction logic for EnumPropertyInputView.xaml
-    /// </summary>
-    public partial class EnumPropertyInputView : UserControl
-    {
-        public EnumPropertyInputView()
-        {
-            InitializeComponent();
-        }
-    }
-}

src/Artemis.UI/Screens/Module/ProfileEditor/LayerProperties/PropertyTree/PropertyInput/SKColorPropertyInputView.xaml.cs

@@ -1,15 +0,0 @@
-using System.Windows.Controls;
-
-namespace Artemis.UI.Screens.Module.ProfileEditor.LayerProperties.PropertyTree.PropertyInput
-{
-    /// <summary>
-    ///     Interaction logic for SKColorPropertyInputView.xaml
-    /// </summary>
-    public partial class SKColorPropertyInputView : UserControl
-    {
-        public SKColorPropertyInputView()
-        {
-            InitializeComponent();
-        }
-    }
-}

src/Artemis.UI/Screens/Module/ProfileEditor/LayerProperties/PropertyTree/PropertyTreeViewModel.cs

@@ -85,12 +85,12 @@ namespace Artemis.UI.Screens.Module.ProfileEditor.LayerProperties.PropertyTree
             parent?.RaiseEvent(eventArg);
         }
 
-        private void OnCurrentTimeChanged(object? sender, EventArgs e)
+        private void OnCurrentTimeChanged(object sender, EventArgs e)
         {
             Update(false);
         }
 
-        private void OnSelectedProfileElementUpdated(object? sender, ProfileElementEventArgs e)
+        private void OnSelectedProfileElementUpdated(object sender, ProfileElementEventArgs e)
         {
             Update(true);
         }

src/Artemis.UI/Screens/Module/ProfileEditor/LayerProperties/Timeline/PropertyTimelineViewModel.cs

@@ -102,12 +102,12 @@ namespace Artemis.UI.Screens.Module.ProfileEditor.LayerProperties.Timeline
             UpdateEndTime();
         }
 
-        private void OnSelectedProfileElementUpdated(object? sender, ProfileElementEventArgs e)
+        private void OnSelectedProfileElementUpdated(object sender, ProfileElementEventArgs e)
         {
             Update();
         }
 
-        private void OnPixelsPerSecondChanged(object? sender, EventArgs e)
+        private void OnPixelsPerSecondChanged(object sender, EventArgs e)
         {
             UpdateKeyframePositions();
         }