Synchronize the Net40

Net40/HandyControlDemo_Net40/ViewModel/Controls/StepBarDemoViewModel.cs

@@ -0,0 +1,63 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows.Controls;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Command;
+using HandyControl.Controls;
+using HandyControlDemo.Data;
+using HandyControlDemo.Service;
+
+namespace HandyControlDemo.ViewModel
+{
+    public class StepBarDemoViewModel : ViewModelBase
+    {
+        /// <summary>
+        ///     数据列表
+        /// </summary>
+        private List<StepBarDemoModel> _dataList;
+
+        /// <summary>
+        ///     数据列表
+        /// </summary>
+        public List<StepBarDemoModel> DataList
+        {
+            get => _dataList;
+            set => Set(nameof(DataList), ref _dataList, value);
+        }
+
+        public StepBarDemoViewModel(DataService dataService)
+        {
+            DataList = dataService.GetStepBarDemoDataList();
+        }
+
+        private RelayCommand<Panel> _nextCmd;
+
+        /// <summary>
+        ///     下一步
+        /// </summary>
+        public RelayCommand<Panel> NextCmd => _nextCmd ?? (_nextCmd = new RelayCommand<Panel>(Next));
+
+        private RelayCommand<Panel> _prevCmd;
+
+        /// <summary>
+        ///     上一步
+        /// </summary>
+        public RelayCommand<Panel> PrevCmd => _prevCmd ?? (_prevCmd = new RelayCommand<Panel>(Prev));
+
+        private void Next(Panel panel)
+        {
+            foreach (var stepBar in panel.Children.OfType<StepBar>())
+            {
+                stepBar.Next();
+            }
+        }
+
+        private void Prev(Panel panel)
+        {
+            foreach (var stepBar in panel.Children.OfType<StepBar>())
+            {
+                stepBar.Prev();
+            }
+        }
+    }
+}