Imported Upstream version 5.4.0.167

Former-commit-id: 5624ac747d633e885131e8349322922b6a59baaa

mcs/class/referencesource/System.Web.DataVisualization/Common/Converters/AnnotationConverters.cs

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+//-------------------------------------------------------------
+// <copyright company=<3D>Microsoft Corporation<6F>>
+//   Copyright <20> Microsoft Corporation. All Rights Reserved.
+// </copyright>
+//-------------------------------------------------------------
+// @owner=alexgor, deliant
+//=================================================================
+//  File:		AnnotationConverters.cs
+//
+//  Namespace:	DataVisualization.Charting
+//
+//	Classes:	AnchorPointValueConverter, AnnotationAxisValueConverter
+//
+//  Purpose:	Annotation Converters.
+//
+//	Reviewed:	
+//
+//===================================================================
+
+
+#region Used namespace
+using System;
+using System.Globalization;
+using System.Collections;
+using System.Collections.Specialized;
+using System.ComponentModel;
+using System.ComponentModel.Design;
+using System.Data;
+using System.Drawing;
+using System.Drawing.Design;
+using System.Drawing.Text;
+using System.Drawing.Drawing2D;
+#if Microsoft_CONTROL
+	using System.Windows.Forms.DataVisualization.Charting;
+	using System.Windows.Forms.DataVisualization.Charting.Data;
+	using System.Windows.Forms.DataVisualization.Charting.ChartTypes;
+	using System.Windows.Forms.DataVisualization.Charting.Utilities;
+	using System.Windows.Forms.DataVisualization.Charting.Borders3D;
+#else
+using System.Web;
+using System.Web.UI;
+using System.Web.UI.DataVisualization.Charting;
+using System.Web.UI.DataVisualization.Charting.Data;
+using System.Web.UI.DataVisualization.Charting.Utilities;
+#endif
+
+#endregion
+
+#if Microsoft_CONTROL
+	namespace System.Windows.Forms.DataVisualization.Charting
+#else
+    namespace System.Web.UI.DataVisualization.Charting
+#endif
+{
+    /// <summary>
+	/// Converts anchor data point to string name.
+	/// </summary>
+	internal class AnchorPointValueConverter : TypeConverter
+	{
+		#region Converter methods
+
+	/// <summary>
+	/// Converts anchor data point to string name.
+	/// </summary>
+	/// <param name="context">Descriptor context.</param>
+	/// <param name="culture">Culture information.</param>
+	/// <param name="value">Value to convert.</param>
+	/// <param name="destinationType">Convertion destination type.</param>
+	/// <returns>Converted object.</returns>
+	public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) 
+	{
+        if (destinationType == typeof(string))
+        {
+            if (value == null)
+            {
+                return Constants.NotSetValue;
+            }
+            DataPoint dataPoint = value as DataPoint;
+
+            if (dataPoint != null)
+            {
+                if (dataPoint.series != null)
+                {
+                    int pointIndex = dataPoint.series.Points.IndexOf(dataPoint) + 1;
+                    return dataPoint.series.Name + " - " + SR.DescriptionTypePoint + pointIndex.ToString(CultureInfo.InvariantCulture);
+                }
+            }
+        }
+
+		// Call base class
+		return base.ConvertTo(context, culture, value, destinationType);
+	}
+		#endregion
+	}
+
+	/// <summary>
+	/// Converts anchor data point to string name.
+	/// </summary>
+    internal class AnnotationAxisValueConverter : TypeConverter
+	{
+		#region Converter methods
+
+		/// <summary>
+		/// Converts axis associated with anootation to string.
+		/// </summary>
+		/// <param name="context">Descriptor context.</param>
+		/// <param name="culture">Culture information.</param>
+		/// <param name="value">Value to convert.</param>
+		/// <param name="destinationType">Convertion destination type.</param>
+		/// <returns>Converted object.</returns>
+        public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
+        {
+            if (destinationType == typeof(string))
+            {
+                if (value == null)
+                {
+                    return Constants.NotSetValue;
+                }
+
+                Axis axis = value as Axis;
+                if (axis != null)
+                {
+                    if (axis.ChartArea != null)
+                    {
+                        return axis.ChartArea.Name + " - " + axis.Name;
+                    }
+                }
+            }
+
+            // Call base class
+            return base.ConvertTo(context, culture, value, destinationType);
+        }
+		#endregion
+	}
+}
+