DotNet 4.8.1 build of DotNetBar

2025-02-07 10:35:23 -05:00
parent 33439b63a0
commit 6b0a5d60f4
2609 changed files with 989814 additions and 7 deletions
--- a/Code/DevComponents.DotNetBar.Charts.Design/PointValueConverter.cs
+++ b/Code/DevComponents.DotNetBar.Charts.Design/PointValueConverter.cs
@@ -0,0 +1,117 @@
+using System;
+using System.ComponentModel;
+using System.Globalization;
+
+namespace DevComponents.Charts.Design
+{
+    /// <summary>
+    /// Represents PointValueConverter converter.
+    /// </summary>
+    public class PointValueConverter : TypeConverter
+    {
+        public PointValueConverter()
+        {
+        }
+
+        #region CanConvertTo
+
+        public override bool CanConvertFrom(
+            ITypeDescriptorContext context, Type sourceType)
+        {
+            if (sourceType == typeof(string))
+                return true;
+
+            return base.CanConvertFrom(context, sourceType);
+        }
+
+        #endregion
+
+        #region CanConvertTo
+
+        public override bool CanConvertTo(
+            ITypeDescriptorContext context, Type destinationType)
+        {
+            if (destinationType == typeof(string))
+                return true;
+
+            return base.CanConvertTo(context, destinationType);
+        }
+
+        #endregion
+
+        #region ConvertFrom
+
+        public override object ConvertFrom(
+            ITypeDescriptorContext context, CultureInfo culture, object value)
+        {
+            if (value is string)
+                return (GetConvertedValue((string)value));
+
+            return base.ConvertFrom(context, culture, value);
+        }
+
+        #region GetConvertedValue
+
+        private object GetConvertedValue(string text)
+        {
+            string s = text.Trim();
+
+            if (text.Length == 0)
+                return (null);
+
+            if (s.StartsWith("\"") && s.EndsWith("\""))
+                return (s.Substring(1, s.Length - 2));
+
+            int intResult;
+
+            if (int.TryParse(text, out intResult) == true)
+                return (intResult);
+
+            double dblResult;
+
+            if (double.TryParse(text, out dblResult) == true)
+                return (dblResult);
+
+            DateTime dtResult;
+
+            if (DateTime.TryParse(text, out dtResult) == true)
+                return (dtResult);
+
+            return (text);
+        }
+
+        #endregion
+
+        #endregion
+
+        #region ConvertTo
+
+        public override object ConvertTo(
+            ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
+        {
+            if (value != null)
+            {
+                if (destinationType == typeof(string))
+                {
+                    if (value == null)
+                        return ("<null>");
+
+                    if (value is string)
+                        return ("\"" + value + "\"");
+
+                    if (value is int)
+                        return (value.ToString());
+
+                    if (value is DateTime)
+                        return (value.ToString());
+
+                    return (String.Format("{0:0.0###############}", value));
+                }
+            }
+
+            return (string.Empty);
+        }
+
+        #endregion
+    }
+}