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omegapro/PowerTools/Classes/SettingAccessor.cs

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+/***************************************************************************
+
+Copyright (c) Microsoft Corporation 2011.
+
+This code is licensed using the Microsoft Public License (Ms-PL).  The text of the license can be found here:
+
+http://www.microsoft.com/resources/sharedsource/licensingbasics/publiclicense.mspx
+
+***************************************************************************/
+
+using System.Linq;
+using System.Xml.Linq;
+using DocumentFormat.OpenXml.Packaging;
+
+namespace OpenXmlPowerTools
+{
+    /// <summary>
+    /// Provides access to setting operations
+    /// </summary>
+    public class SettingAccessor
+    {
+        private static XNamespace ns;
+        private static XNamespace settingsns;
+        private static XNamespace relationshipns;
+
+        static SettingAccessor()
+        {
+            ns = "http://schemas.openxmlformats.org/wordprocessingml/2006/main";
+            settingsns = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/settings";
+            relationshipns = "http://schemas.openxmlformats.org/officeDocument/2006/relationships";
+        }
+
+        /// <summary>
+        /// Nodes list with displayBackgroundShape elements
+        /// </summary>
+        public static XElement DisplayBackgroundShapeElements(WordprocessingDocument document)
+        {
+            XDocument settingsDocument = document.MainDocumentPart.DocumentSettingsPart.GetXDocument();
+            return settingsDocument.Descendants(settingsns + "displayBackgroundShape").FirstOrDefault();
+        }
+
+        /// <summary>
+        /// Adds a displayBackgroundShape element to the settings file
+        /// </summary>
+        public static void AddBackgroundShapeElement(WordprocessingDocument document)
+        {
+            XDocument settingsDocument = document.MainDocumentPart.DocumentSettingsPart.GetXDocument();
+            settingsDocument.Root.Add(
+                new XElement(ns + "displayBackgroundShape")
+            );
+            document.MainDocumentPart.DocumentSettingsPart.PutXDocument();
+        }
+
+        /// <summary>
+        /// Adds a the evenAndOddHeaders element, which allows to define distinct headers and footers for odd and even pages
+        /// </summary>
+        public static void AddEvenAndOddHeadersElement(WordprocessingDocument document)
+        {
+            XDocument settingsDocument = document.MainDocumentPart.DocumentSettingsPart.GetXDocument();
+            if (settingsDocument.Descendants(ns + "evenAndOddHeaders").FirstOrDefault() == null)
+            {
+                settingsDocument.Root.Add(
+                    new XElement(ns + "evenAndOddHeaders"));
+                document.MainDocumentPart.DocumentSettingsPart.PutXDocument();
+            }
+        }
+
+        /// <summary>
+        /// Creates an empty base structure for a settings part
+        /// </summary>
+        /// <returns></returns>
+        private static XDocument CreateEmptySettings()
+        {
+            XDocument document =
+                new XDocument(
+                    new XElement(ns + "settings",
+                        new XAttribute(XNamespace.Xmlns + "w", ns),
+                        new XAttribute(XNamespace.Xmlns + "r", relationshipns)
+                    )
+                );
+            return document;
+        }
+    }
+}