整理一下项目文件

AIStudio.Wpf.DiagramHelper/Extensions/ViewModels/OutLineTextDesignerItemViewModel.cs

@@ -0,0 +1,81 @@
+using AIStudio.Wpf.DiagramHelper.Services;
+using System.Globalization;
+using System.Windows;
+using System.Windows.Media;
+using AIStudio.Wpf.DiagramDesigner;
+
+namespace AIStudio.Wpf.DiagramHelper.Extensions.ViewModels
+{
+    public class OutLineTextDesignerItemViewModel : TextDesignerItemViewModel
+    {
+        private IUIVisualizerService visualiserService;
+
+        public OutLineTextDesignerItemViewModel(IDiagramViewModel parent, DesignerItemBase designer) : base(parent, designer)
+        {
+
+        }
+
+        public OutLineTextDesignerItemViewModel() : base()
+        {
+
+        }
+
+        protected override void Init()
+        {
+            base.Init();
+
+            visualiserService = ApplicationServicesProvider.Instance.Provider.VisualizerService;
+
+            FontViewModel.FontFamily = "Arial";
+            FontViewModel.FontSize = 36;
+        }
+
+        public void AutoSize()
+        {
+            var size = MeasureString();
+            ItemWidth = size.Width;
+            ItemHeight = size.Height;
+        }
+
+        private Size MeasureString()
+        {
+            var formattedText = new FormattedText(
+                Text,
+                CultureInfo.CurrentUICulture,
+                FlowDirection.LeftToRight,
+                new Typeface(new FontFamily(FontViewModel.FontFamily), FontViewModel.FontStyle, FontViewModel.FontWeight, FontViewModel.FontStretch),
+                FontViewModel.FontSize,
+                Brushes.Black);
+
+            return new Size(formattedText.Width, formattedText.Height);
+        }
+
+        protected override void ExecuteEditCommand(object parameter)
+        {
+            EditData();
+        }
+
+        public override bool InitData()
+        {
+            if (string.IsNullOrEmpty(Text))
+                return EditData();
+            return true;
+        }
+
+        public override bool EditData()
+        {
+            if (IsReadOnly == true) return false;
+
+            OutLineTextDesignerItemData data = new OutLineTextDesignerItemData(this);
+            if (visualiserService.ShowDialog(data) == true)
+            {
+                Text = data.Text;
+                FontViewModel = CopyHelper.Mapper<FontViewModel, IFontViewModel>(data.FontViewModel);
+                AutoSize();
+                return true;
+            }
+
+            return false;
+        }
+    }
+}