Data bindings - WIP commit

src/Artemis.UI/Screens/ProfileEditor/LayerProperties/DataBindings/DataBindingModifierViewModel.cs

@@ -1,7 +1,10 @@
-using System.Threading.Tasks;
+using System;
+using System.Threading.Tasks;
 using Artemis.Core;
 using Artemis.Core.Services;
+using Artemis.UI.Exceptions;
 using Artemis.UI.Shared;
+using Artemis.UI.Shared.Input;
 using Artemis.UI.Shared.Services;
 using Stylet;
 
@@ -13,6 +16,8 @@ namespace Artemis.UI.Screens.ProfileEditor.LayerProperties.DataBindings
         private readonly IDataModelUIService _dataModelUIService;
         private readonly IProfileEditorService _profileEditorService;
         private DataBindingModifierType _selectedModifierType;
+        private DataModelDynamicViewModel _dynamicSelectionViewModel;
+        private DataModelStaticViewModel _staticInputViewModel;
 
         public DataBindingModifierViewModel(DataBindingModifier modifier,
             IDataBindingService dataBindingService,
@@ -32,11 +37,10 @@ namespace Artemis.UI.Screens.ProfileEditor.LayerProperties.DataBindings
             SelectModifierTypeCommand = new DelegateCommand(ExecuteSelectModifierTypeCommand);
 
             // Initialize async, no need to wait for it
-            Task.Run(Initialize);
+            Execute.PostToUIThread(Initialize);
         }
 
-        public DelegateCommand SelectModifierTypeCommand { get; set; }
-
+        public DelegateCommand SelectModifierTypeCommand { get; }
         public PluginSetting<bool> ShowDataModelValues { get; }
         public DataBindingModifier Modifier { get; }
         public BindableCollection<DataBindingModifierType> ModifierTypes { get; }
@@ -47,30 +51,65 @@ namespace Artemis.UI.Screens.ProfileEditor.LayerProperties.DataBindings
             set => SetAndNotify(ref _selectedModifierType, value);
         }
 
-        public DataModelSelectionViewModel ParameterSelectionViewModel { get; private set; }
+        public DataModelDynamicViewModel DynamicSelectionViewModel
+        {
+            get => _dynamicSelectionViewModel;
+            private set => SetAndNotify(ref _dynamicSelectionViewModel, value);
+        }
+
+        public DataModelStaticViewModel StaticInputViewModel
+        {
+            get => _staticInputViewModel;
+            private set => SetAndNotify(ref _staticInputViewModel, value);
+        }
 
         private void Initialize()
         {
-            ParameterSelectionViewModel = _dataModelUIService.GetDataModelSelectionViewModel(_profileEditorService.GetCurrentModule());
-            ParameterSelectionViewModel.PropertySelected += ParameterSelectionViewModelOnPropertySelected;
-            ParameterSelectionViewModel.FilterTypes = new[] {Modifier.DataBinding.TargetProperty.PropertyType};
+            var sourceType = Modifier.DataBinding.GetSourceType();
+            if (sourceType == null)
+                throw new ArtemisUIException("Cannot initialize a data binding modifier VM for a data binding without a source");
+
+            if (Modifier.ParameterType == ProfileRightSideType.Dynamic)
+            {
+                StaticInputViewModel = null;
+                DynamicSelectionViewModel = _dataModelUIService.GetDynamicSelectionViewModel(_profileEditorService.GetCurrentModule());
+                DynamicSelectionViewModel.PropertySelected += ParameterSelectionViewModelOnPropertySelected;
+                DynamicSelectionViewModel.FilterTypes = new[] {sourceType};
+            }
+            else
+            {
+                DynamicSelectionViewModel = null;
+                StaticInputViewModel = _dataModelUIService.GetStaticInputViewModel(sourceType);
+                StaticInputViewModel.ValueUpdated += StaticInputViewModelOnValueUpdated;
+            }
 
             Update();
         }
 
-        private void ParameterSelectionViewModelOnPropertySelected(object sender, DataModelPropertySelectedEventArgs e)
+        private void ParameterSelectionViewModelOnPropertySelected(object sender, DataModelInputDynamicEventArgs e)
         {
             Modifier.UpdateParameter(e.DataModelVisualizationViewModel.DataModel, e.DataModelVisualizationViewModel.PropertyPath);
         }
 
+        private void StaticInputViewModelOnValueUpdated(object sender, DataModelInputStaticEventArgs e)
+        {
+            Modifier.UpdateParameter(e.Value);
+        }
+
         private void Update()
         {
+            var sourceType = Modifier.DataBinding.GetSourceType();
+
             // Modifier type
             ModifierTypes.Clear();
-            ModifierTypes.AddRange(_dataBindingService.GetCompatibleModifierTypes(Modifier.DataBinding.TargetProperty.PropertyType));
+            ModifierTypes.AddRange(_dataBindingService.GetCompatibleModifierTypes(sourceType));
             SelectedModifierType = Modifier.ModifierType;
 
-            ParameterSelectionViewModel.PopulateSelectedPropertyViewModel(Modifier.ParameterDataModel, Modifier.ParameterPropertyPath);
+            // Parameter
+            if (DynamicSelectionViewModel != null)
+                DynamicSelectionViewModel?.PopulateSelectedPropertyViewModel(Modifier.ParameterDataModel, Modifier.ParameterPropertyPath);
+            else if (StaticInputViewModel != null)
+                StaticInputViewModel.Value = Modifier.ParameterStaticValue;
         }
 
         private void ExecuteSelectModifierTypeCommand(object context)
@@ -83,5 +122,20 @@ namespace Artemis.UI.Screens.ProfileEditor.LayerProperties.DataBindings
 
             Update();
         }
+
+        public void Delete()
+        {
+            Modifier.DataBinding.RemoveModifier(Modifier);
+        }
+
+        public void SwapType()
+        {
+            if (Modifier.ParameterType == ProfileRightSideType.Dynamic)
+                Modifier.UpdateParameter(Modifier.DataBinding.GetSourceType().GetDefault());
+            else
+                Modifier.UpdateParameter(null, null);
+
+            Initialize();
+        }
     }
 }