适应窗口大小完成

2026-03-03 00:00:57 +08:00 · 2023-03-12 22:47:45 +08:00
parent e2753b0bff
commit f22d6dd3f1
18 changed files with 280 additions and 42 deletions
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/DefaultViewModel/ShapeDesignerItemViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/DefaultViewModel/ShapeDesignerItemViewModel.cs
@@ -0,0 +1,126 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Text;
+using System.Windows;
+using System.Windows.Media;
+using System.Windows.Shapes;
+
+namespace AIStudio.Wpf.DiagramDesigner
+{
+    public class ShapeDesignerItemViewModel : DesignerItemViewModelBase
+    {
+        public ShapeDesignerItemViewModel(DrawMode drawMode, List<Point> points) : this(null, drawMode, points)
+        {
+        }
+
+        public ShapeDesignerItemViewModel(IDiagramViewModel root, DrawMode drawMode, List<Point> points) : base(root)
+        {
+            DrawMode = drawMode;
+            ConnectionPoints = points;
+
+            ItemWidth = ConnectionPoints.Max(p => p.X) - ConnectionPoints.Min(p => p.X);
+            ItemHeight = ConnectionPoints.Max(p => p.Y) - ConnectionPoints.Min(p => p.Y);
+            Left = ConnectionPoints.Min(p => p.X);
+            Top = ConnectionPoints.Min(p => p.Y);
+
+            PointDesignerItemViewModels = new List<PointDesignerItemViewModel>();
+            ConnectionPoints.ForEach((Action<Point>)(p => {
+                var item = new PointDesignerItemViewModel(p);
+                PointDesignerItemViewModels.Add((PointDesignerItemViewModel)item);
+            }));
+
+            PointDesignerItemViewModels.ForEach(p => p.PropertyChanged += PointDesignerItemViewModel_PropertyChanged);
+        }
+
+        public List<PointDesignerItemViewModel> PointDesignerItemViewModels
+        {
+            get; set;
+        }
+
+        private List<Point> _connectionPoints;
+        public List<Point> ConnectionPoints
+        {
+            get
+            {
+                return _connectionPoints;
+            }
+            private set
+            {
+                SetProperty(ref _connectionPoints, value);
+            }
+        }
+        public DrawMode DrawMode
+        {
+            get; set;
+        }
+
+        private bool _showConnectors = false;
+        public new bool ShowConnectors
+        {
+            get
+            {
+                return _showConnectors;
+            }
+            set
+            {
+                if (SetProperty(ref _showConnectors, value))
+                {
+                    foreach (var connector in PointDesignerItemViewModels)
+                    {
+                        connector.ShowConnectors = value;
+                    }
+                }
+            }
+        }
+
+        public SimpleCommand MenuItemCommand
+        {
+            get; private set;
+        }
+
+        private void PointDesignerItemViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
+        {
+            if (e.PropertyName == nameof(Left) || e.PropertyName == nameof(Top))
+            {
+                UpdatePoints();
+            }
+        }
+
+        private void UpdatePoints()
+        {
+            ConnectionPoints = PointDesignerItemViewModels.Select(p => p.CurrentLocation).ToList();
+            ItemWidth = ConnectionPoints.Max(p => p.X) - ConnectionPoints.Min(p => p.X);
+            ItemHeight = ConnectionPoints.Max(p => p.Y) - ConnectionPoints.Min(p => p.Y);
+            Left = ConnectionPoints.Min(p => p.X);
+            Top = ConnectionPoints.Min(p => p.Y);
+        }
+
+        protected override void Init(IDiagramViewModel root)
+        {
+            MenuItemCommand = new SimpleCommand(Command_Enable, ExecuteMenuItemCommand);
+            base.Init(root);
+
+            this.ClearConnectors();
+
+            BuildMenuOptions();
+        }
+
+        private void ExecuteMenuItemCommand(object obj)
+        {
+            ShowConnectors = (obj as CinchMenuItem).IsChecked;
+        }
+
+        private void BuildMenuOptions()
+        {
+            menuOptions = new ObservableCollection<CinchMenuItem>();
+            CinchMenuItem menuItem = new CinchMenuItem();
+            menuItem.Text = "显示点";
+            menuItem.IsCheckable = true;
+            menuItem.Command = MenuItemCommand;
+            menuItem.CommandParameter = menuItem;
+            menuOptions.Add(menuItem);
+        }
+    }
+}