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OpenWPFChart: Assembling Charts from Components. Part II - Controls

, 26 Mar 2009 CPOL
Chart controls composed from Chart Parts
SourceCode.zip
trunk
ChartControls
ChartControls.csproj.user
OpenWPFChart.Chart.Icon.png
OpenWPFChart.WellLogChart.Icon.png
Properties
Themes
ChartHelpers
AxisPropertiesDialog
ChartHelpers.csproj.user
ChartScaleControl
FontChooser
ItemPropertiesDialog
Properties
ChartParts
Axes
ChartParts.csproj.user
Grid
Items
Data
DataView
Elements
Visuals
NumericalRecipes
Properties
Scales
SampleDataFiles
WellLog
Samples
ControlSamples
ColumnChartControlSample
Properties
Settings.settings
CurveChartControlSample
Properties
Settings.settings
r3xyqstb.tmp_proj
WellLogControlSample
Properties
Settings.settings
DirectCompositionSamples
BasicSample
Properties
Settings.settings
TemperatureSample
Properties
Settings.settings
WellLogSample
Properties
Settings.settings
// <copyright file="AxisDataView.cs" company="Oleg V. Polikarpotchkin">
// Copyright © 2008-2009 Oleg V. Polikarpotchkin. All Right Reserved
// </copyright>
// <author>Oleg V. Polikarpotchkin</author>
// <email>ov-p@yandex.ru</email>
// <date>2009-03-06</date>
// <summary>OpenWPFChart library. Coordinate Axis Data View base class.</summary>
// <revision>$Id: AxisDataView.cs 18093 2009-03-16 04:15:06Z unknown $</revision>

using System.ComponentModel;
using System.Windows;
using System.Windows.Media;
using OpenWPFChart.Parts;

namespace OpenWPFChart.Helpers
{
	/// <summary>
	/// Coordinate Axis Data View base class.
	/// </summary>
	public abstract class AxisDataView : INotifyPropertyChanged, IDataErrorInfo
	{
		/// <summary>
		/// Initializes a new instance of the <see cref="AxisDataView"/> class.
		/// </summary>
		/// <param name="axis">The axis.</param>
		public AxisDataView(Axis axis)
		{
			axisScale = axis.AxisScale;
			contentLayout = axis.ContentLayout;
			tickLength = axis.TickLength;
			longTickLength = axis.LongTickLength;
			labelFormat = axis.LabelFormat;
			labelMargin = axis.LabelMargin;
			penColor = (axis.Pen.Brush as SolidColorBrush).Color;
			penThickness = axis.Pen.Thickness;
			fontFamily = axis.FontFamily;
			fontSize = axis.FontSize;
			fontStretch = axis.FontStretch;
			fontStyle = axis.FontStyle;
			fontWeight = axis.FontWeight;
		}

		readonly ChartScale axisScale;
		public ChartScale AxisScale
		{
			get { return axisScale; }
		}

		#region AxisContentLayout
		AxisContentLayout contentLayout;
		public AxisContentLayout ContentLayout
		{
			get { return contentLayout; }
			set
			{
				if (contentLayout != value)
				{
					contentLayout = value;
					Notify("ContentLayout");
				}
			}
		}

		public bool IsAtLeftOrBelow
		{
			get { return (contentLayout & AxisContentLayout.AtLeftOrBelow) != 0; }
			set
			{
				AxisContentLayout cl = ContentLayout;
				if (value)
				{
					cl &= ~AxisContentLayout.AtRightOrAbove;
					cl |= AxisContentLayout.AtLeftOrBelow;
				}
				else
				{
					cl |= AxisContentLayout.AtRightOrAbove;
					cl &= ~AxisContentLayout.AtLeftOrBelow;
				}
				ContentLayout = cl;
			}
		}

		public bool IsAtRightOrAbove
		{
			get { return (contentLayout & AxisContentLayout.AtRightOrAbove) != 0; }
			set
			{
				AxisContentLayout cl = ContentLayout;
				if (value)
				{
					cl |= AxisContentLayout.AtRightOrAbove;
					cl &= ~AxisContentLayout.AtLeftOrBelow;
				}
				else
				{
					cl &= ~AxisContentLayout.AtRightOrAbove;
					cl |= AxisContentLayout.AtLeftOrBelow;
				}
				ContentLayout = cl;
			}
		}

		public bool IsTicksCentered
		{
			get { return (contentLayout & AxisContentLayout.TicksCentered) != 0; }
			set
			{
				if (value)
					ContentLayout |= AxisContentLayout.TicksCentered;
				else
					ContentLayout &= ~AxisContentLayout.TicksCentered;
			}
		}
		#endregion AxisContentLayout

		#region Ticks
		#region TickLength
		double tickLength;
		/// <summary>
		/// Gets or sets the TickLength property.
		/// </summary>
		/// <value>Any finite positive double value.</value>
		public double TickLength
		{
			get { return tickLength; }
			set
			{
				if (tickLength != value)
				{
					tickLength = value;
					Notify("TickLength");
				}
			}
		}
		#endregion TickLength

		#region LongTickLength
		double longTickLength;
		/// <summary>
		/// Gets or sets the LongTickLength property.
		/// </summary>
		/// <value>Any finite positive double value.</value>
		public double LongTickLength
		{
			get { return longTickLength; }
			set
			{
				if (longTickLength != value)
				{
					longTickLength = value;
					Notify("LongTickLength");
				}
			}
		}
		#endregion LongTickLength
		#endregion Ticks

		#region Label
		#region LabelFormat
		string labelFormat;
		/// <summary>
		/// Gets or sets the LabelFormat property.
		/// <para>Standard format string.</para>
		/// </summary>
		public string LabelFormat
		{
			get { return labelFormat; }
			set
			{
				if (labelFormat != value)
				{
					labelFormat = value;
					Notify("LabelFormat");
				}
			}
		}
		#endregion LabelFormat

		#region LabelMargin
		double labelMargin;
		/// <summary>
		/// Gets or sets the LabelMargin property.
		/// <para>This is the distance between long tich and its label.</para>
		/// </summary>
		/// <value>Any finite non-negative value.</value>
		public double LabelMargin
		{
			get { return labelMargin; }
			set
			{
				if (labelMargin != value)
				{
					labelMargin = value;
					Notify("LabelMargin");
				}
			}
		}
		#endregion LabelMargin
		#endregion Label

		#region Pen
		Color penColor;
		public Color PenColor
		{
			get { return penColor; }
			set
			{
				if (penColor != value)
				{
					penColor = value;
					Notify("PenColor");
				}
			}
		}

		double penThickness;
		public double PenThickness
		{
			get { return penThickness; }
			set
			{
				if (penThickness != value)
				{
					penThickness = value;
					Notify("PenThickness");
				}
			}
		}
		#endregion Pen

		#region Font
		#region FontFamily
		FontFamily fontFamily;
		/// <summary>
		/// Gets or sets the FontFamily property.
		/// </summary>
		public FontFamily FontFamily
		{
			get { return fontFamily; }
			set
			{
				if (fontFamily != value)
				{
					fontFamily = value;
					Notify("FontFamily");
				}
			}
		}
		#endregion FontFamily

		#region FontSize
		double fontSize;
		/// <summary>
		/// Gets or sets the FontSize property.
		/// </summary>
		public double FontSize
		{
			get { return fontSize; }
			set
			{
				if (fontSize != value)
				{
					fontSize = value;
					Notify("FontSize");
				}
			}
		}
		#endregion FontSize

		#region FontStretch
		FontStretch fontStretch;
		/// <summary>
		/// Gets or sets the FontStretch property.
		/// </summary>
		public FontStretch FontStretch
		{
			get { return fontStretch; }
			set
			{
				if (fontStretch != value)
				{
					fontStretch = value;
					Notify("FontStretch");
				}
			}
		}
		#endregion FontStretch

		#region FontStyle
		FontStyle fontStyle;
		/// <summary>
		/// Gets or sets the FontStyle property.
		/// </summary>
		public FontStyle FontStyle
		{
			get { return fontStyle; }
			set
			{
				if (fontStyle != value)
				{
					fontStyle = value;
					Notify("FontStyle");
				}
			}
		}
		#endregion FontStyle

		#region FontWeight
		FontWeight fontWeight;
		/// <summary>
		/// Gets or sets the FontWeight property.
		/// </summary>
		public FontWeight FontWeight
		{
			get { return fontWeight; }
			set
			{
				if (fontWeight != value)
				{
					fontWeight = value;
					Notify("FontWeight");
				}
			}
		}
		#endregion FontWeight
		#endregion Font

		#region INotifyPropertyChanged Members
		public event PropertyChangedEventHandler PropertyChanged;
		protected void Notify(string propertyName)
		{
			if (PropertyChanged != null)
				PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
		}
		#endregion INotifyPropertyChanged Members

		#region IDataErrorInfo Members
		string IDataErrorInfo.Error
		{
			get { return null; }
		}

		protected virtual string GetDataErrorInfo(string columnName)
		{
			switch (columnName)
			{
				case "TickLength":
					if (TickLength <= 0)
						return "TickLength must be positive";
					break;
				case "LongTickLength":
					if (LongTickLength <= 0)
						return "LongTickLength must be positive";
					break;
				case "LabelMargin":
					if (LabelMargin < 0)
						return "LabelMargin cannot be negative";
					break;
				case "PenThickness":
					if (PenThickness <= 0)
						return "PenThickness must be positive";
					break;
			}
			return null;
		}

		string IDataErrorInfo.this[string columnName]
		{
			get
			{
				return GetDataErrorInfo(columnName);
			}
		}
		#endregion IDataErrorInfo Members
	}
}

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About the Author

Oleg V. Polikarpotchkin
Team Leader
Russian Federation Russian Federation
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