整理一下项目文件

AIStudio.Wpf.DiagramHelper/Converters/ConverterValueMapToBool.cs

@@ -0,0 +1,81 @@
+using System;
+using System.Linq;
+using System.Windows;
+using System.Windows.Data;
+using System.Windows.Markup;
+
+namespace AIStudio.Wpf.DiagramHelper.Converters
+{
+    public class ConverterValueMapToBool : MarkupExtension, IValueConverter
+    {
+        public override object ProvideValue(System.IServiceProvider serviceProvider)
+        {
+            return new ConverterValueMapToBool
+            {
+                FromType = this.FromType ?? typeof(char),
+                TargetType = this.TargetType ?? typeof(bool),
+                Parameter = this.Parameter
+            };
+        }
+
+        public object Parameter
+        {
+            get;
+            set;
+        }
+        public Type TargetType
+        {
+            get;
+            set;
+        }
+        public Type FromType
+        {
+            get;
+            set;
+        }
+        #region IValueConverter Members
+
+        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            if (value == null || parameter == null)
+                return false;
+
+            if (object.Equals(value, parameter))
+                return true;
+
+            return string.Equals(value.ToString(), parameter.ToString());
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            var result = DependencyProperty.UnsetValue;
+            if (value == null) return result;
+            if (value is bool)
+            {
+                if ((bool)value)
+                    result = parameter;
+                else
+                    result = this.Parameter;
+                if (result == null || string.IsNullOrWhiteSpace(result.ToString()))
+                    return DependencyProperty.UnsetValue;
+                //处理枚举类型
+                if (targetType.IsEnum)
+                    result = Enum.Parse(targetType, result as string);
+                else if (targetType.IsValueType)
+                {
+                    if (targetType == typeof(Int32))
+                        result = System.Convert.ToInt32(result);
+                    else if (targetType == typeof(Int16))
+                        result = System.Convert.ToInt16(result);
+                    else if (targetType == typeof(char))
+                        result = result.ToString().First();
+                }
+            }
+            return result;
+        }
+
+      
+
+        #endregion
+    }
+}