整理整理

AIStudio.Wpf.DiagramDesigner.Additionals/Converters/IntVisibilityConverter.cs

@@ -0,0 +1,61 @@
+using System;
+using System.Globalization;
+using System.Windows;
+using System.Windows.Data;
+using System.Windows.Markup;
+
+namespace AIStudio.Wpf.DiagramDesigner.Additionals.Converters
+{
+    //选中项索引转换成可见项
+    public class IntVisibilityConverter : MarkupExtension, IValueConverter
+    {
+        /// <summary>
+        /// Returns the value for the target property of this markup extension.
+        /// </summary>
+        /// <param name="serviceProvider">Object that can provide services for the markup extension.</param>
+        /// <returns>Reference to the instance of this Int32IndexToNumberConverter.</returns>
+        public override object ProvideValue(System.IServiceProvider serviceProvider)
+        {
+            return this;
+        }
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {            
+           
+            if (value is int && parameter is string) //与参数相同则显示
+            {
+                if (parameter.ToString().Contains("^"))
+                {
+                    var paras = parameter.ToString().Split('^');                    
+                    foreach(var para in paras)
+                    {
+                        if (value.ToString() == para)
+                        {
+                            return Visibility.Visible;
+                        }
+                    }
+                    return Visibility.Collapsed;
+                }
+                else
+                {
+                    if (value.ToString() == (string)parameter)
+                    {
+                        return Visibility.Visible;
+                    }
+                }
+            }
+            else if (value is int) //无参数，则大于0显示
+            {
+                if ((int)value > 0)
+                {
+                    return Visibility.Visible;
+                }
+            }
+            return Visibility.Collapsed;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}