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OpenWPFChart: Assembling Charts from Components. Part II - Controls

, 26 Mar 2009
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="DateTimeAxisDataView.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>2009-03-07</date>
// <summary>OpenWPFChart library. DateTime Axis DataView.</summary>
// <revision>$Id: DateTimeAxisDataView.cs 18093 2009-03-16 04:15:06Z unknown $</revision>

using System;
using OpenWPFChart.Parts;

namespace OpenWPFChart.Helpers
{
	/// <summary>
	/// DateTime Axis DataView.
	/// </summary>
	public class DateTimeAxisDataView : AxisDataView
	{
		/// <summary>
		/// Initializes a new instance of the <see cref="DateTimeAxisDataView"/> class.
		/// </summary>
		/// <param name="axis">The axis.</param>
		public DateTimeAxisDataView(DateTimeAxis axis) : base(axis)
		{
			ChartDateTimeScale dtScale = axis.AxisScale as ChartDateTimeScale;
			tickUnits = dtScale.TickUnits;
			tickStep = dtScale.TickStep;
			longTickAnchor = dtScale.LongTickAnchor;
			longTickRate = dtScale.LongTickRate;
		}

		#region TickUnits
		DateTimeTickUnits tickUnits;
		/// <summary>
		/// Gets or sets the TickUnits property.
		/// <para>Tick values are the integer number of DataTime in TickUnits (e.g. "Days").</para>
		/// </summary>
		public DateTimeTickUnits TickUnits
		{
			get { return tickUnits; }
			set
			{
				if (tickUnits != value)
				{
					tickUnits = value;
					Notify("TickUnits");
				}
			}
		}
		#endregion TickUnits

		#region TickStep
		long tickStep;
		/// <summary>
		/// Gets or sets the TickStep property.
		/// <para>The space between two regular (not long) ticks in DateTimeTickUnits.
		/// It should be positive regardeless of <see cref="Start"/> and <see cref="Stop"/>
		/// values relationship.</para>
		/// </summary>
		/// <value>Any positive long value.</value>
		public long TickStep
		{
			get { return tickStep; }
			set
			{
				if (tickStep != value)
				{
					tickStep = value;
					Notify("TickStep");
				}
			}
		}
		#endregion TickStep

		#region LongTickAnchor
		DateTime longTickAnchor;
		/// <summary>
		/// Gets or sets the LongTickAnchor property.
		/// <para>Represents the position of any long tick.</para>
		/// </summary>
		/// <value>Any finite double value.</value>
		public DateTime LongTickAnchor
		{
			get { return longTickAnchor; }
			set
			{
				if (longTickAnchor != value)
				{
					longTickAnchor = value;
					Notify("LongTickAnchor");
				}
			}
		}
		#endregion LongTickAnchor

		#region LongTickRate
		int longTickRate;
		/// <summary>
		/// Gets or sets the LongTickRate property.
		/// <para>Represents long ticks rate; e.g. 
		/// <list>
		/// if LongTickRate == 1 then all ticks will be long.
		/// if LongTickRate == 2 then will be one short tick between two long ticks.
		/// if LongTickRate == 10 then every tenth tick will be long.
		/// </list>
		/// </para>
		/// </summary>
		/// <value>Positive integer value.</value>
		public int LongTickRate
		{
			get { return longTickRate; }
			set
			{
				if (longTickRate != value)
				{
					longTickRate = value;
					Notify("LongTickRate");
				}
			}
		}
		#endregion LongTickRate

		#region IDataErrorInfo Members
		protected override string GetDataErrorInfo(string columnName)
		{
			switch (columnName)
			{
				case "TickStep":
					if (TickStep <= 0)
						return "TickStep must be positive";
					return null;
				case "LongTickRate":
					if (LongTickRate <= 0)
						return "LongTickRate must be positive";
					return null;
			}
			return base.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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