Added dialog system

Added surface delete

src/Artemis.UI/Services/DialogService.cs

@@ -0,0 +1,70 @@
+using System.Threading.Tasks;
+using Artemis.UI.Services.Interfaces;
+using Artemis.UI.ViewModels.Dialogs;
+using MaterialDesignThemes.Wpf;
+using Ninject;
+using Ninject.Parameters;
+using Stylet;
+
+namespace Artemis.UI.Services
+{
+    public class DialogService : IDialogService
+    {
+        private readonly IKernel _kernel;
+        private readonly IViewManager _viewManager;
+
+        public DialogService(IKernel kernel, IViewManager viewManager)
+        {
+            _kernel = kernel;
+            _viewManager = viewManager;
+        }
+
+        public async Task<bool> ShowConfirmDialog(string header, string text, string confirmText = "Confirm", string cancelText = "Cancel")
+        {
+            var arguments = new IParameter[]
+            {
+                new ConstructorArgument("header", header),
+                new ConstructorArgument("text", text),
+                new ConstructorArgument("confirmText", confirmText),
+                new ConstructorArgument("cancelText", cancelText),
+            };
+            var result = await ShowDialog<ConfirmDialogViewModel>(arguments);
+            return (bool)result;
+        }
+
+        public async Task<bool> ShowConfirmDialogAt(string identifier, string header, string text, string confirmText = "Confirm", string cancelText = "Cancel")
+        {
+            var arguments = new IParameter[]
+            {
+                new ConstructorArgument("header", header),
+                new ConstructorArgument("text", text),
+                new ConstructorArgument("confirmText", confirmText),
+                new ConstructorArgument("cancelText", cancelText),
+            };
+            var result = await ShowDialogAt<ConfirmDialogViewModel>(identifier, arguments);
+            return (bool) result;
+        }
+
+        public async Task<object> ShowDialog<T>(IParameter[] parameters = null) where T : DialogViewModelBase
+        {
+            var viewModel = parameters != null ? _kernel.Get<T>(parameters) : _kernel.Get<T>();
+            return await ShowDialog(null, viewModel);
+        }
+
+        public async Task<object> ShowDialogAt<T>(string identifier, IParameter[] parameters = null) where T : DialogViewModelBase
+        {
+            var viewModel = parameters != null ? _kernel.Get<T>(parameters) : _kernel.Get<T>();
+            return await ShowDialog(identifier, viewModel);
+        }
+
+        private async Task<object> ShowDialog(string identifier, DialogViewModelBase viewModel)
+        {
+            var view = _viewManager.CreateViewForModel(viewModel);
+            _viewManager.BindViewToModel(view, viewModel);
+
+            if (identifier == null)
+                return await DialogHost.Show(view, viewModel.OnDialogClosed);
+            return await DialogHost.Show(view, identifier, viewModel.OnDialogOpened, viewModel.OnDialogClosed);
+        }
+    }
+}

src/Artemis.UI/Services/Interfaces/IDialogService.cs

@@ -0,0 +1,14 @@
+using System.Threading.Tasks;
+using Artemis.UI.ViewModels.Dialogs;
+using Ninject.Parameters;
+
+namespace Artemis.UI.Services.Interfaces
+{
+    public interface IDialogService : IArtemisUIService
+    {
+        Task<bool> ShowConfirmDialog(string header, string text, string confirmText = "Confirm", string cancelText = "Cancel");
+        Task<bool> ShowConfirmDialogAt(string identifier, string header, string text, string confirmText = "Confirm", string cancelText = "Cancel");
+        Task<object> ShowDialog<T>(IParameter[] parameters = null) where T : DialogViewModelBase;
+        Task<object> ShowDialogAt<T>(string identifier, IParameter[] parameters = null) where T : DialogViewModelBase;
+    }
+}