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