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545
omegapro/PowerTools/Classes/ChartsheetAccessor.cs
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545
omegapro/PowerTools/Classes/ChartsheetAccessor.cs
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/***************************************************************************
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Copyright (c) Microsoft Corporation 2011.
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This code is licensed using the Microsoft Public License (Ms-PL). The text of the license can be found here:
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http://www.microsoft.com/resources/sharedsource/licensingbasics/publiclicense.mspx
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***************************************************************************/
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using System.Collections.Generic;
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using System.Linq;
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using System.Xml.Linq;
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using DocumentFormat.OpenXml.Packaging;
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namespace OpenXmlPowerTools
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{
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/// <summary>
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/// Chart types available
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/// </summary>
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public enum ChartType
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{
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/// <summary>
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/// Bar
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/// </summary>
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Bar,
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/// <summary>
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/// Column
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/// </summary>
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Column,
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/// <summary>
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/// Line
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/// </summary>
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Line,
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/// <summary>
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/// Area
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/// </summary>
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Area,
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/// <summary>
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/// Pie
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/// </summary>
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Pie
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}
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/// <summary>
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/// Provides access to chartsheet operations
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/// </summary>
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public class ChartsheetAccessor
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{
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private const int defaultAnchorPosX = 0;
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private const int defaultAnchorPosY = 0;
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private const int defaultAnchorExtX = 8673523;
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private const int defaultAnchorExtY = 6306705;
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private const string defaultLegendPosition = "r";
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private static XNamespace ns;
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private static XNamespace relationshipsns;
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private static XNamespace sdrns;
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private static XNamespace drawingns;
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private static XNamespace chartns;
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static ChartsheetAccessor()
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{
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ns = "http://schemas.openxmlformats.org/spreadsheetml/2006/main";
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relationshipsns = "http://schemas.openxmlformats.org/officeDocument/2006/relationships";
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sdrns = "http://schemas.openxmlformats.org/drawingml/2006/spreadsheetDrawing";
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drawingns = "http://schemas.openxmlformats.org/drawingml/2006/main";
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chartns = "http://schemas.openxmlformats.org/drawingml/2006/chart";
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}
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/// <summary>
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/// Creates a chartsheet part from given data
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/// </summary>
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/// <param name="chartType">Type of chart to generate</param>
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/// <param name="values">Values to represent in the chart</param>
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/// <param name="headerReference">Columns to be used as series</param>
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/// <param name="categoryReference">Column to be used as category</param>
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/// <returns>Chartsheet part with contents related</returns>
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public static ChartsheetPart Create(SpreadsheetDocument parentDocument, ChartType chartType, List<string> values, List<string> headerReference, string categoryReference)
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{
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//Creates base content and associates it to a new chartsheet part
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WorkbookPart workbook = parentDocument.WorkbookPart;
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ChartsheetPart chartsheetPart = workbook.AddNewPart<ChartsheetPart>();
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XDocument chartsheetDocument = CreateEmptyChartsheet();
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chartsheetPart.PutXDocument(chartsheetDocument);
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//Creates a base drawings part and associates it to the chartsheet part
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DrawingsPart drawingsPart = chartsheetPart.AddNewPart<DrawingsPart>();
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XDocument drawingDocument = CreateEmptyDrawing();
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drawingsPart.PutXDocument(drawingDocument);
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//Adds content to chartsheet document to reference drawing document
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chartsheetDocument
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.Element(ns + "chartsheet")
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.Add(
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new XElement(ns + "drawing",
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new XAttribute(relationshipsns + "id", chartsheetPart.GetIdOfPart(drawingsPart))
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)
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);
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//creates the chart part and associates it to the drawings part
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ChartPart chartPart = drawingsPart.AddNewPart<ChartPart>();
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XDocument chartDocument = CreateChart(chartType, values, headerReference, categoryReference);
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chartPart.PutXDocument(chartDocument);
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//Adds content to drawing document to reference chart document
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drawingDocument
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.Descendants(drawingns + "graphicData")
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.First()
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.Add(
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new XAttribute("uri", chartns),
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new XElement(chartns + "chart",
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new XAttribute(XNamespace.Xmlns + "c", chartns),
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new XAttribute(XNamespace.Xmlns + "r", relationshipsns),
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new XAttribute(relationshipsns + "id", drawingsPart.GetIdOfPart(chartPart))
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)
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);
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//Associates the chartsheet part to the workbook part
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XDocument document = parentDocument.WorkbookPart.GetXDocument();
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int sheetId = document.Root.Element(ns + "sheets").Elements(ns + "sheet").Count() + 1;
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int chartsheetCount =
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document.Root
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.Element(ns + "sheets")
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.Elements(ns + "sheet")
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.Where(
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t =>
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t.Attribute("name").Value.StartsWith("chart")
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)
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.Count() + 1;
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//Adds content to workbook document to reference chartsheet document
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document.Root
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.Element(ns + "sheets")
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.Add(
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new XElement(ns + "sheet",
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new XAttribute("name", string.Format("chart{0}", chartsheetCount)),
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new XAttribute("sheetId", sheetId),
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new XAttribute(relationshipsns + "id", workbook.GetIdOfPart(chartsheetPart))
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)
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);
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chartsheetPart.PutXDocument();
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drawingsPart.PutXDocument();
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parentDocument.WorkbookPart.PutXDocument();
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return chartsheetPart;
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}
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/// <summary>
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/// Creates element structure needed to describe an empty worksheet
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/// </summary>
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/// <returns>Document with contents for an empty worksheet</returns>
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private static XDocument CreateEmptyChartsheet()
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{
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XDocument document =
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new XDocument(
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new XElement(ns + "chartsheet",
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new XAttribute("xmlns", ns),
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new XAttribute(XNamespace.Xmlns + "r", relationshipsns),
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new XElement(ns + "sheetViews",
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new XElement(ns + "sheetView",
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new XAttribute("workbookViewId", 0)
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)
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)
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)
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);
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return document;
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}
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/// <summary>
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/// Creates tags to describe an empty row
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/// </summary>
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/// <param name="row"></param>
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/// <returns></returns>
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private static XElement CreateEmptyRow(int row)
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{
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XElement rowElement =
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new XElement(ns + "row",
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new XAttribute("r", row)
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);
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return rowElement;
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}
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/// <summary>
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/// Creates element structure needed to describe an empty drawing
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/// </summary>
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private static XDocument CreateEmptyDrawing()
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{
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return new XDocument(
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new XElement(sdrns + "wsDr",
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new XAttribute(XNamespace.Xmlns + "xdr", sdrns),
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new XAttribute(XNamespace.Xmlns + "a", drawingns),
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new XElement(sdrns + "absoluteAnchor",
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new XElement(sdrns + "pos",
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new XAttribute("x", defaultAnchorPosX),
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new XAttribute("y", defaultAnchorPosY)
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),
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new XElement(sdrns + "ext",
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new XAttribute("cx", defaultAnchorExtX),
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new XAttribute("cy", defaultAnchorExtY)
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),
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new XElement(sdrns + "graphicFrame",
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new XAttribute("macro", string.Empty),
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new XElement(sdrns + "nvGraphicFramePr",
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new XElement(sdrns + "cNvPr",
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new XAttribute("id", 2),
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new XAttribute("name", "Chart 1")
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),
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new XElement(sdrns + "cNvGraphicFramePr",
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new XElement(drawingns + "graphicFrameLocks",
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new XAttribute("noGrp", "1")
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)
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)
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),
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new XElement(sdrns + "xfrm",
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new XElement(drawingns + "off",
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new XAttribute("x", 0),
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new XAttribute("y", 0)
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),
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new XElement(drawingns + "ext",
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new XAttribute("cx", 0),
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new XAttribute("cy", 0)
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)
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),
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new XElement(drawingns + "graphic",
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new XElement(drawingns + "graphicData")
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)
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),
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new XElement(sdrns + "clientData")
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)
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)
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);
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}
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/// <summary>
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/// Creates element structure needed to describe an empty chart
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/// </summary>
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private static XDocument CreateEmptyChart()
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{
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return new XDocument(
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new XElement(chartns + "chartSpace",
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new XAttribute(XNamespace.Xmlns + "c", chartns),
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new XAttribute(XNamespace.Xmlns + "a", drawingns),
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new XAttribute(XNamespace.Xmlns + "r", relationshipsns),
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new XElement(chartns + "chart",
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new XElement(chartns + "title",
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new XElement(chartns + "layout")
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),
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new XElement(chartns + "plotArea",
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new XElement(chartns + "layout")
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),
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new XElement(chartns + "legend",
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new XElement(chartns + "legendPos",
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new XAttribute("val", defaultLegendPosition)
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),
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new XElement(chartns + "layout")
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)
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)
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)
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);
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}
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/// <summary>
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/// Creates element structure needed to describe a chart with data related
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/// </summary>
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private static XDocument CreateChart(ChartType chartType, IEnumerable<string> seriesReferences, IEnumerable<string> seriesTitles, string category)
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{
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XDocument chartDocument = CreateEmptyChart();
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XElement chartElement =
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chartDocument
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.Element(chartns + "chartSpace")
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.Element(chartns + "chart")
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.Element(chartns + "plotArea");
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string categoryAxisId = "28819";
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string valueAxisId = "28818";
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//Chooses the right chart type
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switch (chartType)
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{
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case ChartType.Bar:
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chartElement.Add(
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CreateBarChart(seriesReferences, seriesTitles, category, categoryAxisId, valueAxisId),
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CreateCategoryAxis(categoryAxisId, valueAxisId),
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CreateValueAxis(valueAxisId, categoryAxisId)
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);
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break;
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case ChartType.Column:
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chartElement.Add(
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CreateColumnChart(seriesReferences, seriesTitles, category, categoryAxisId, valueAxisId),
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CreateCategoryAxis(categoryAxisId, valueAxisId),
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CreateValueAxis(valueAxisId, categoryAxisId)
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);
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break;
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case ChartType.Line:
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chartElement.Add(
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CreateLineChart(seriesReferences, seriesTitles, category, categoryAxisId, valueAxisId),
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CreateCategoryAxis(categoryAxisId, valueAxisId),
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CreateValueAxis(valueAxisId, categoryAxisId)
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);
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break;
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case ChartType.Area:
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chartElement.Add(
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CreateAreaChart(seriesReferences, seriesTitles, category, categoryAxisId, valueAxisId),
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CreateCategoryAxis(categoryAxisId, valueAxisId),
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CreateValueAxis(valueAxisId, categoryAxisId)
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);
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break;
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case ChartType.Pie:
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chartElement.Add(
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CreatePieChart(seriesReferences, seriesTitles, category, categoryAxisId, valueAxisId)
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);
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break;
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}
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return chartDocument;
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}
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/// <summary>
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/// Creates element structure needed to describe a column chart with data related
|
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/// </summary>
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private static XElement CreateColumnChart(IEnumerable<string> seriesReferences, IEnumerable<string> seriesTitles, string category, string categoryAxisId, string valueAxisId)
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{
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return new XElement(chartns + "barChart",
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new XElement(chartns + "barDir",
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new XAttribute("val", "col")
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),
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new XElement(chartns + "grouping",
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new XAttribute("val", "clustered")
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),
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CreateSeries(seriesReferences, seriesTitles, category),
|
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seriesReferences.Count() < 1 ?
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new XElement(chartns + "gapWidth",
|
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new XAttribute("val", 100)
|
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)
|
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: null,
|
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new XElement(chartns + "axId",
|
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new XAttribute("val", categoryAxisId)
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),
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new XElement(chartns + "axId",
|
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new XAttribute("val", valueAxisId)
|
||||
)
|
||||
);
|
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}
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|
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/// <summary>
|
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/// Creates element structure needed to describe a bar chart with data related
|
||||
/// </summary>
|
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private static XElement CreateBarChart(IEnumerable<string> seriesReferences, IEnumerable<string> seriesTitles, string category, string categoryAxisId, string valueAxisId)
|
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{
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return new XElement(chartns + "barChart",
|
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new XElement(chartns + "barDir",
|
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new XAttribute("val", "bar")
|
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),
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new XElement(chartns + "grouping",
|
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new XAttribute("val", "clustered")
|
||||
),
|
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CreateSeries(seriesReferences, seriesTitles, category),
|
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seriesReferences.Count() < 1 ?
|
||||
new XElement(chartns + "gapWidth",
|
||||
new XAttribute("val", 100)
|
||||
)
|
||||
: null,
|
||||
new XElement(chartns + "axId",
|
||||
new XAttribute("val", categoryAxisId)
|
||||
),
|
||||
new XElement(chartns + "axId",
|
||||
new XAttribute("val", valueAxisId)
|
||||
)
|
||||
);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Creates element structure needed to describe a line chart with data related
|
||||
/// </summary>
|
||||
private static XElement CreateLineChart(IEnumerable<string> seriesReferences, IEnumerable<string> seriesTitles, string category, string categoryAxisId, string valueAxisId)
|
||||
{
|
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return new XElement(chartns + "lineChart",
|
||||
new XElement(chartns + "grouping",
|
||||
new XAttribute("val", "standard")
|
||||
),
|
||||
CreateSeries(seriesReferences, seriesTitles, category),
|
||||
new XElement(chartns + "marker",
|
||||
new XAttribute("val", 1)
|
||||
),
|
||||
new XElement(chartns + "axId",
|
||||
new XAttribute("val", categoryAxisId)
|
||||
),
|
||||
new XElement(chartns + "axId",
|
||||
new XAttribute("val", valueAxisId)
|
||||
)
|
||||
);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Creates element structure needed to describe an area chart with data related
|
||||
/// </summary>
|
||||
private static XElement CreateAreaChart(IEnumerable<string> seriesReferences, IEnumerable<string> seriesTitles, string category, string categoryAxisId, string valueAxisId)
|
||||
{
|
||||
return new XElement(chartns + "areaChart",
|
||||
new XElement(chartns + "grouping",
|
||||
new XAttribute("val", "stacked")
|
||||
),
|
||||
CreateSeries(seriesReferences, seriesTitles, category),
|
||||
new XElement(chartns + "axId",
|
||||
new XAttribute("val", categoryAxisId)
|
||||
),
|
||||
new XElement(chartns + "axId",
|
||||
new XAttribute("val", valueAxisId)
|
||||
)
|
||||
);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Creates element structure needed to describe a pie chart with data related
|
||||
/// </summary>
|
||||
private static XElement CreatePieChart(IEnumerable<string> seriesReferences, IEnumerable<string> seriesTitles, string category, string categoryAxisId, string valueAxisId)
|
||||
{
|
||||
return new XElement(chartns + "pieChart",
|
||||
new XElement(chartns + "varyColors",
|
||||
new XAttribute("val", 1)
|
||||
),
|
||||
CreateSeries(seriesReferences, seriesTitles, category),
|
||||
new XElement(chartns + "firstSliceAng",
|
||||
new XAttribute("val", 0)
|
||||
)
|
||||
);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Creates element structure needed to describe a data series
|
||||
/// </summary>
|
||||
private static IEnumerable<XElement> CreateSeries(IEnumerable<string> seriesReference, IEnumerable<string> seriesTitles, string category)
|
||||
{
|
||||
List<XElement> seriesList = new List<XElement>();
|
||||
int numSeries = 0;
|
||||
foreach (var series in seriesReference)
|
||||
{
|
||||
seriesList.Add(
|
||||
new XElement(chartns + "ser",
|
||||
new XElement(chartns + "idx",
|
||||
new XAttribute("val", numSeries)
|
||||
),
|
||||
new XElement(chartns + "order",
|
||||
new XAttribute("val", numSeries)
|
||||
),
|
||||
new XElement(chartns + "tx",
|
||||
new XElement(chartns + "strRef",
|
||||
new XElement(chartns + "f", seriesTitles.ElementAt(numSeries))
|
||||
)
|
||||
),
|
||||
new XElement(chartns + "cat",
|
||||
new XElement(chartns + "strRef",
|
||||
new XElement(chartns + "f", category)
|
||||
)
|
||||
),
|
||||
new XElement(chartns + "val",
|
||||
new XElement(chartns + "numRef",
|
||||
new XElement(chartns + "f", series)
|
||||
)
|
||||
)
|
||||
)
|
||||
);
|
||||
numSeries++;
|
||||
}
|
||||
return seriesList;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Creates element structure needed to describe a category axis
|
||||
/// </summary>
|
||||
private static XElement CreateCategoryAxis(string categoryAxisId, string valueAxisId)
|
||||
{
|
||||
return new XElement(chartns + "catAx",
|
||||
new XElement(chartns + "axId",
|
||||
new XAttribute("val", categoryAxisId)
|
||||
),
|
||||
new XElement(chartns + "scaling",
|
||||
new XElement(chartns + "orientation",
|
||||
new XAttribute("val", "minMax")
|
||||
)
|
||||
),
|
||||
new XElement(chartns + "axPos",
|
||||
new XAttribute("val", "b")
|
||||
),
|
||||
new XElement(chartns + "tickLblPos",
|
||||
new XAttribute("val", "nextTo")
|
||||
),
|
||||
new XElement(chartns + "crossAx",
|
||||
new XAttribute("val", valueAxisId)
|
||||
),
|
||||
new XElement(chartns + "crosses",
|
||||
new XAttribute("val", "autoZero")
|
||||
),
|
||||
new XElement(chartns + "auto",
|
||||
new XAttribute("val", 1)
|
||||
),
|
||||
new XElement(chartns + "lblAlgn",
|
||||
new XAttribute("val", "ctr")
|
||||
),
|
||||
new XElement(chartns + "lblOffset",
|
||||
new XAttribute("val", 100)
|
||||
)
|
||||
);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Creates element structure needed to describe a value axis
|
||||
/// </summary>
|
||||
private static XElement CreateValueAxis(string valueAxisId, string categoryAxisId)
|
||||
{
|
||||
return new XElement(chartns + "valAx",
|
||||
new XElement(chartns + "axId",
|
||||
new XAttribute("val", valueAxisId)
|
||||
),
|
||||
new XElement(chartns + "scaling",
|
||||
new XElement(chartns + "orientation",
|
||||
new XAttribute("val", "minMax")
|
||||
)
|
||||
),
|
||||
new XElement(chartns + "axPos",
|
||||
new XAttribute("val", "l")
|
||||
),
|
||||
new XElement(chartns + "majorGridlines"),
|
||||
new XElement(chartns + "numFmt",
|
||||
new XAttribute("formatCode", "General"),
|
||||
new XAttribute("sourceLinked", "1")
|
||||
),
|
||||
new XElement(chartns + "tickLblPos",
|
||||
new XAttribute("val", "nextTo")
|
||||
),
|
||||
new XElement(chartns + "crossAx",
|
||||
new XAttribute("val", categoryAxisId)
|
||||
),
|
||||
new XElement(chartns + "crosses",
|
||||
new XAttribute("val", "autoZero")
|
||||
),
|
||||
new XElement(chartns + "crossBetween",
|
||||
new XAttribute("val", "between")
|
||||
)
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user