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omegapro/PowerTools/Cmdlets/SetOpenXmlBackgroundCmdlet.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;
+using System.Linq;
+using System.Management.Automation;
+
+namespace OpenXmlPowerTools.Commands
+{
+    /// <summary>
+    /// Set-OpenXmlBackground cmdlet
+    /// </summary>
+    [Cmdlet(VerbsCommon.Set, "OpenXmlBackground", SupportsShouldProcess = true)]
+    [OutputType("OpenXmlPowerToolsDocument")]
+    public class SetOpenXmlBackgroundCmdlet : PowerToolsModifierCmdlet
+    {
+        #region Parameters
+
+        private string backgroundColor;
+        private string backgroundImagePath;
+
+        /// <summary>
+        /// ImagePath parameter
+        /// </summary>
+        [Parameter(
+            Mandatory = false,
+            HelpMessage = "Path of image to set as document background")
+        ]
+        [ValidateNotNullOrEmpty]
+        public string ImagePath
+        {
+            get
+            {
+                return backgroundImagePath;
+            }
+            set
+            {
+                backgroundImagePath = SessionState.Path.GetResolvedPSPathFromPSPath(value).First().Path;
+            }
+        }
+
+        /// <summary>
+        /// ColorName parameter
+        /// </summary>
+        [Parameter(
+            Mandatory = false,
+            HelpMessage = "Color code (hexadecimal) to set as the document background")
+        ]
+        [ValidateNotNullOrEmpty]
+        public string ColorName
+        {
+            get
+            {
+                return backgroundColor;
+            }
+            set
+            {
+                backgroundColor = value;
+            }
+        }
+
+        /// <summary>
+        /// Color parameter
+        /// </summary>
+        [Parameter(
+            Mandatory = false,
+            ValueFromPipeline = true,
+            ValueFromPipelineByPropertyName = true,
+            HelpMessage = "Color object to set as the document background")
+        ]
+        [ValidateNotNullOrEmpty]
+        public System.Drawing.Color Color
+        {
+            get
+            {
+                return System.Drawing.Color.FromArgb(backgroundColor == null ? 0 : Convert.ToInt32(backgroundColor,16));
+            }
+            set
+            {
+                backgroundColor = String.Format("{0:X2}{1:X2}{2:X2}", value.R, value.G, value.B);
+            }
+        }
+
+        /// <summary>
+        /// ImageFile parameter
+        /// </summary>
+        [Parameter(
+            Mandatory = false,
+            ValueFromPipeline = true,
+            HelpMessage = "Image object to use as document background")
+        ]
+        [ValidateNotNullOrEmpty]
+        public System.IO.FileInfo ImageFile
+        {
+            get
+            {
+                return new System.IO.FileInfo(backgroundImagePath == null ? "." : backgroundImagePath);
+            }
+            set
+            {
+                backgroundImagePath = value.FullName;
+            }
+        }
+
+        #endregion
+
+        #region Cmdlet Overrides
+
+        /// <summary>
+        /// Entry point for PowerShell cmdlets
+        /// </summary>
+        protected override void ProcessRecord()
+        {
+            // If an image was piped in, the background color string will not be valid.
+            if (backgroundImagePath != null)
+                backgroundColor = null;
+            // At least one of the backgroundColor or backgroundImage parameters must be set it
+            if (backgroundColor == null && backgroundImagePath == null)
+            {
+                WriteError(new ErrorRecord(new ArgumentException("Requires at least one of the three parameters: Color, Image or ImagePath."), "OpenXmlPowerTools", ErrorCategory.InvalidArgument, null));
+                return;
+            }
+
+            foreach (var document in AllDocuments("Set-OpenXmlBackground"))
+            {
+                try
+                {
+                    if (!(document is WmlDocument))
+                        throw new PowerToolsDocumentException("Not a wordprocessing document.");
+                    if (backgroundImagePath != null)
+                    {
+                        // Open as image to verify that it is valid
+                        System.Drawing.Image.FromFile(backgroundImagePath);
+                        OutputDocument(BackgroundAccessor.SetImage((WmlDocument)document, backgroundImagePath));
+                    }
+                    else
+                    {
+                        // Validate color value
+                        System.Drawing.Color.FromArgb(Convert.ToInt32(backgroundColor, 16));
+                        OutputDocument(BackgroundAccessor.SetColor((WmlDocument)document, backgroundColor));
+                    }
+                }
+                catch (Exception e)
+                {
+                    WriteError(PowerToolsExceptionHandling.GetExceptionErrorRecord(e, document));
+                }
+            }
+        }
+
+        #endregion
+    }
+}