|  | /******************************************************************************* | 
|  | * You may amend and distribute as you like, but don't remove this header! | 
|  | * | 
|  | * EPPlus provides server-side generation of Excel 2007/2010 spreadsheets. | 
|  | * See http://www.codeplex.com/EPPlus for details. | 
|  | * | 
|  | * Copyright (C) 2011  Jan Källman | 
|  | * | 
|  | * This library is free software; you can redistribute it and/or | 
|  | * modify it under the terms of the GNU Lesser General Public | 
|  | * License as published by the Free Software Foundation; either | 
|  | * version 2.1 of the License, or (at your option) any later version. | 
|  |  | 
|  | * This library is distributed in the hope that it will be useful, | 
|  | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | 
|  | * See the GNU Lesser General Public License for more details. | 
|  | * | 
|  | * The GNU Lesser General Public License can be viewed at http://www.opensource.org/licenses/lgpl-license.php | 
|  | * If you unfamiliar with this license or have questions about it, here is an http://www.gnu.org/licenses/gpl-faq.html | 
|  | * | 
|  | * All code and executables are provided "as is" with no warranty either express or implied. | 
|  | * The author accepts no liability for any damage or loss of business that this product may cause. | 
|  | * | 
|  | * Code change notes: | 
|  | * | 
|  | * Author							Change						Date | 
|  | * ****************************************************************************** | 
|  | * Jan Källman		    Initial Release		       2009-10-01 | 
|  | * Jan Källman		    License changed GPL-->LGPL 2011-12-27 | 
|  | *******************************************************************************/ | 
|  | using System; | 
|  | using System.Collections; | 
|  | using System.Collections.Generic; | 
|  | using System.Security.Cryptography.Xml; | 
|  | using System.Text; | 
|  | using System.Xml; | 
|  | using System.IO; | 
|  | using System.Linq; | 
|  | using OfficeOpenXml.FormulaParsing.Excel.Functions.Logical; | 
|  | using OfficeOpenXml.Style; | 
|  | using OfficeOpenXml.Drawing; | 
|  | using OfficeOpenXml.Drawing.Chart; | 
|  | using OfficeOpenXml.Style.XmlAccess; | 
|  | using OfficeOpenXml.Drawing.Vml; | 
|  | using OfficeOpenXml.Packaging.Ionic.Zlib; | 
|  | using OfficeOpenXml.Utils; | 
|  | using OfficeOpenXml.VBA; | 
|  | namespace OfficeOpenXml | 
|  | { | 
|  | /// <summary> | 
|  | /// The collection of worksheets for the workbook | 
|  | /// </summary> | 
|  | public class ExcelWorksheets : XmlHelper, IEnumerable<ExcelWorksheet>, IDisposable | 
|  | { | 
|  | #region Private Properties | 
|  | private ExcelPackage _pck; | 
|  | private Dictionary<int, ExcelWorksheet> _worksheets; | 
|  | private XmlNamespaceManager _namespaceManager; | 
|  | #endregion | 
|  | #region ExcelWorksheets Constructor | 
|  | internal ExcelWorksheets(ExcelPackage pck, XmlNamespaceManager nsm, XmlNode topNode) : | 
|  | base(nsm, topNode) | 
|  | { | 
|  | _pck = pck; | 
|  | _namespaceManager = nsm; | 
|  | _worksheets = new Dictionary<int, ExcelWorksheet>(); | 
|  | int positionID = 1; | 
|  |  | 
|  | foreach (XmlNode sheetNode in topNode.ChildNodes) | 
|  | { | 
|  | if (sheetNode.NodeType == XmlNodeType.Element) | 
|  | { | 
|  | string name = sheetNode.Attributes["name"].Value; | 
|  | //Get the relationship id | 
|  | string relId = sheetNode.Attributes["r:id"].Value; | 
|  | int sheetID = Convert.ToInt32(sheetNode.Attributes["sheetId"].Value); | 
|  |  | 
|  | //Hidden property | 
|  | eWorkSheetHidden hidden = eWorkSheetHidden.Visible; | 
|  | XmlNode attr = sheetNode.Attributes["state"]; | 
|  | if (attr != null) | 
|  | hidden = TranslateHidden(attr.Value); | 
|  |  | 
|  | var sheetRelation = pck.Workbook.Part.GetRelationship(relId); | 
|  | Uri uriWorksheet = UriHelper.ResolvePartUri(pck.Workbook.WorkbookUri, sheetRelation.TargetUri); | 
|  |  | 
|  | //add the worksheet | 
|  | if (sheetRelation.RelationshipType.EndsWith("chartsheet")) | 
|  | { | 
|  | _worksheets.Add(positionID, new ExcelChartsheet(_namespaceManager, _pck, relId, uriWorksheet, name, sheetID, positionID, hidden)); | 
|  | } | 
|  | else | 
|  | { | 
|  | _worksheets.Add(positionID, new ExcelWorksheet(_namespaceManager, _pck, relId, uriWorksheet, name, sheetID, positionID, hidden)); | 
|  | } | 
|  | positionID++; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | private eWorkSheetHidden TranslateHidden(string value) | 
|  | { | 
|  | switch (value) | 
|  | { | 
|  | case "hidden": | 
|  | return eWorkSheetHidden.Hidden; | 
|  | case "veryHidden": | 
|  | return eWorkSheetHidden.VeryHidden; | 
|  | default: | 
|  | return eWorkSheetHidden.Visible; | 
|  | } | 
|  | } | 
|  | #endregion | 
|  | #region ExcelWorksheets Public Properties | 
|  | /// <summary> | 
|  | /// Returns the number of worksheets in the workbook | 
|  | /// </summary> | 
|  | public int Count | 
|  | { | 
|  | get { return (_worksheets.Count); } | 
|  | } | 
|  | #endregion | 
|  | private const string ERR_DUP_WORKSHEET = "A worksheet with this name already exists in the workbook"; | 
|  | internal const string WORKSHEET_CONTENTTYPE = @"application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml"; | 
|  | internal const string CHARTSHEET_CONTENTTYPE = @"application/vnd.openxmlformats-officedocument.spreadsheetml.chartsheet+xml"; | 
|  | #region ExcelWorksheets Public Methods | 
|  | /// <summary> | 
|  | /// Foreach support | 
|  | /// </summary> | 
|  | /// <returns>An enumerator</returns> | 
|  | public IEnumerator<ExcelWorksheet> GetEnumerator() | 
|  | { | 
|  | return (_worksheets.Values.GetEnumerator()); | 
|  | } | 
|  | #region IEnumerable Members | 
|  |  | 
|  | IEnumerator IEnumerable.GetEnumerator() | 
|  | { | 
|  | return (_worksheets.Values.GetEnumerator()); | 
|  | } | 
|  |  | 
|  | #endregion | 
|  | #region Add Worksheet | 
|  | /// <summary> | 
|  | /// Adds a new blank worksheet. | 
|  | /// </summary> | 
|  | /// <param name="Name">The name of the workbook</param> | 
|  | public ExcelWorksheet Add(string Name) | 
|  | { | 
|  | ExcelWorksheet worksheet = AddSheet(Name,false, null); | 
|  | return worksheet; | 
|  | } | 
|  | private ExcelWorksheet AddSheet(string Name, bool isChart, eChartType? chartType) | 
|  | { | 
|  | int sheetID; | 
|  | Uri uriWorksheet; | 
|  | lock (_worksheets) | 
|  | { | 
|  | Name = ValidateFixSheetName(Name); | 
|  | if (GetByName(Name) != null) | 
|  | { | 
|  | throw (new InvalidOperationException(ERR_DUP_WORKSHEET + " : " + Name)); | 
|  | } | 
|  | GetSheetURI(ref Name, out sheetID, out uriWorksheet, isChart); | 
|  | Packaging.ZipPackagePart worksheetPart = _pck.Package.CreatePart(uriWorksheet, isChart ? CHARTSHEET_CONTENTTYPE : WORKSHEET_CONTENTTYPE, _pck.Compression); | 
|  |  | 
|  | //Create the new, empty worksheet and save it to the package | 
|  | StreamWriter streamWorksheet = new StreamWriter(worksheetPart.GetStream(FileMode.Create, FileAccess.Write)); | 
|  | XmlDocument worksheetXml = CreateNewWorksheet(isChart); | 
|  | worksheetXml.Save(streamWorksheet); | 
|  | _pck.Package.Flush(); | 
|  |  | 
|  | string rel = CreateWorkbookRel(Name, sheetID, uriWorksheet, isChart); | 
|  |  | 
|  | int positionID = _worksheets.Count + 1; | 
|  | ExcelWorksheet worksheet; | 
|  | if (isChart) | 
|  | { | 
|  | worksheet = new ExcelChartsheet(_namespaceManager, _pck, rel, uriWorksheet, Name, sheetID, positionID, eWorkSheetHidden.Visible, (eChartType)chartType); | 
|  | } | 
|  | else | 
|  | { | 
|  | worksheet = new ExcelWorksheet(_namespaceManager, _pck, rel, uriWorksheet, Name, sheetID, positionID, eWorkSheetHidden.Visible); | 
|  | } | 
|  |  | 
|  | _worksheets.Add(positionID, worksheet); | 
|  | #if !MONO | 
|  | if (_pck.Workbook.VbaProject != null) | 
|  | { | 
|  | var name = _pck.Workbook.VbaProject.GetModuleNameFromWorksheet(worksheet); | 
|  | _pck.Workbook.VbaProject.Modules.Add(new ExcelVBAModule(worksheet.CodeNameChange) { Name = name, Code = "", Attributes = _pck.Workbook.VbaProject.GetDocumentAttributes(Name, "0{00020820-0000-0000-C000-000000000046}"), Type = eModuleType.Document, HelpContext = 0 }); | 
|  | worksheet.CodeModuleName = name; | 
|  |  | 
|  | } | 
|  | #endif | 
|  | return worksheet; | 
|  | } | 
|  | } | 
|  | /// <summary> | 
|  | /// Adds a copy of a worksheet | 
|  | /// </summary> | 
|  | /// <param name="Name">The name of the workbook</param> | 
|  | /// <param name="Copy">The worksheet to be copied</param> | 
|  | public ExcelWorksheet Add(string Name, ExcelWorksheet Copy) | 
|  | { | 
|  | lock (_worksheets) | 
|  | { | 
|  | int sheetID; | 
|  | Uri uriWorksheet; | 
|  | if (Copy is ExcelChartsheet) | 
|  | { | 
|  | throw (new ArgumentException("Can not copy a chartsheet")); | 
|  | } | 
|  | if (GetByName(Name) != null) | 
|  | { | 
|  | throw (new InvalidOperationException(ERR_DUP_WORKSHEET)); | 
|  | } | 
|  |  | 
|  | GetSheetURI(ref Name, out sheetID, out uriWorksheet, false); | 
|  |  | 
|  | //Create a copy of the worksheet XML | 
|  | Packaging.ZipPackagePart worksheetPart = _pck.Package.CreatePart(uriWorksheet, WORKSHEET_CONTENTTYPE, _pck.Compression); | 
|  | StreamWriter streamWorksheet = new StreamWriter(worksheetPart.GetStream(FileMode.Create, FileAccess.Write)); | 
|  | XmlDocument worksheetXml = new XmlDocument(); | 
|  | worksheetXml.LoadXml(Copy.WorksheetXml.OuterXml); | 
|  | worksheetXml.Save(streamWorksheet); | 
|  | //streamWorksheet.Close(); | 
|  | _pck.Package.Flush(); | 
|  |  | 
|  |  | 
|  | //Create a relation to the workbook | 
|  | string relID = CreateWorkbookRel(Name, sheetID, uriWorksheet, false); | 
|  | ExcelWorksheet added = new ExcelWorksheet(_namespaceManager, _pck, relID, uriWorksheet, Name, sheetID, _worksheets.Count + 1, eWorkSheetHidden.Visible); | 
|  |  | 
|  | //Copy comments | 
|  | if (Copy.Comments.Count > 0) | 
|  | { | 
|  | CopyComment(Copy, added); | 
|  | } | 
|  | else if (Copy.VmlDrawingsComments.Count > 0)    //Vml drawings are copied as part of the comments. | 
|  | { | 
|  | CopyVmlDrawing(Copy, added); | 
|  | } | 
|  |  | 
|  | //Copy HeaderFooter | 
|  | CopyHeaderFooterPictures(Copy, added); | 
|  |  | 
|  | //Copy all relationships | 
|  | //CopyRelationShips(Copy, added); | 
|  | if (Copy.Drawings.Count > 0) | 
|  | { | 
|  | CopyDrawing(Copy, added); | 
|  | } | 
|  | if (Copy.Tables.Count > 0) | 
|  | { | 
|  | CopyTable(Copy, added); | 
|  | } | 
|  | if (Copy.PivotTables.Count > 0) | 
|  | { | 
|  | CopyPivotTable(Copy, added); | 
|  | } | 
|  | if (Copy.Names.Count > 0) | 
|  | { | 
|  | CopySheetNames(Copy, added); | 
|  | } | 
|  |  | 
|  | //Copy all cells | 
|  | CloneCells(Copy, added); | 
|  |  | 
|  | //Copy the VBA code | 
|  | #if !MONO | 
|  | if (_pck.Workbook.VbaProject != null) | 
|  | { | 
|  | var name = _pck.Workbook.VbaProject.GetModuleNameFromWorksheet(added); | 
|  | _pck.Workbook.VbaProject.Modules.Add(new ExcelVBAModule(added.CodeNameChange) { Name = name, Code = Copy.CodeModule.Code, Attributes = _pck.Workbook.VbaProject.GetDocumentAttributes(Name, "0{00020820-0000-0000-C000-000000000046}"), Type = eModuleType.Document, HelpContext = 0 }); | 
|  | Copy.CodeModuleName = name; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | _worksheets.Add(_worksheets.Count + 1, added); | 
|  |  | 
|  | //Remove any relation to printersettings. | 
|  | XmlNode pageSetup = added.WorksheetXml.SelectSingleNode("//d:pageSetup", _namespaceManager); | 
|  | if (pageSetup != null) | 
|  | { | 
|  | XmlAttribute attr = (XmlAttribute)pageSetup.Attributes.GetNamedItem("id", ExcelPackage.schemaRelationships); | 
|  | if (attr != null) | 
|  | { | 
|  | relID = attr.Value; | 
|  | // first delete the attribute from the XML | 
|  | pageSetup.Attributes.Remove(attr); | 
|  | } | 
|  | } | 
|  | return added; | 
|  | } | 
|  | } | 
|  | public ExcelChartsheet AddChart(string Name, eChartType chartType) | 
|  | { | 
|  | return (ExcelChartsheet)AddSheet(Name, true, chartType); | 
|  | } | 
|  | private void CopySheetNames(ExcelWorksheet Copy, ExcelWorksheet added) | 
|  | { | 
|  | foreach (var name in Copy.Names) | 
|  | { | 
|  | ExcelNamedRange newName; | 
|  | if (!name.IsName) | 
|  | { | 
|  | if (name.WorkSheet == Copy.Name) | 
|  | { | 
|  | newName = added.Names.Add(name.Name, added.Cells[name.FirstAddress]); | 
|  | } | 
|  | else | 
|  | { | 
|  | newName = added.Names.Add(name.Name, added.Workbook.Worksheets[name.WorkSheet].Cells[name.FirstAddress]); | 
|  | } | 
|  | } | 
|  | else if (!string.IsNullOrEmpty(name.NameFormula)) | 
|  | { | 
|  | newName=added.Names.AddFormula(name.Name, name.Formula); | 
|  | } | 
|  | else | 
|  | { | 
|  | newName=added.Names.AddValue(name.Name, name.Value); | 
|  | } | 
|  | newName.NameComment = name.NameComment; | 
|  | } | 
|  | } | 
|  |  | 
|  | private void CopyTable(ExcelWorksheet Copy, ExcelWorksheet added) | 
|  | { | 
|  | string prevName = ""; | 
|  | //First copy the table XML | 
|  | foreach (var tbl in Copy.Tables) | 
|  | { | 
|  | string xml=tbl.TableXml.OuterXml; | 
|  | int Id = _pck.Workbook._nextTableID++; | 
|  | string name; | 
|  | if (prevName == "") | 
|  | { | 
|  | name = Copy.Tables.GetNewTableName(); | 
|  | } | 
|  | else | 
|  | { | 
|  | int ix = int.Parse(prevName.Substring(5)) + 1; | 
|  | name = string.Format("Table{0}", ix); | 
|  | while (_pck.Workbook.ExistsPivotTableName(name)) | 
|  | { | 
|  | name = string.Format("Table{0}", ++ix); | 
|  | } | 
|  | } | 
|  | prevName = name; | 
|  | XmlDocument xmlDoc = new XmlDocument(); | 
|  | xmlDoc.LoadXml(xml); | 
|  | xmlDoc.SelectSingleNode("//d:table/@id", tbl.NameSpaceManager).Value = Id.ToString(); | 
|  | xmlDoc.SelectSingleNode("//d:table/@name", tbl.NameSpaceManager).Value = name; | 
|  | xmlDoc.SelectSingleNode("//d:table/@displayName", tbl.NameSpaceManager).Value = name; | 
|  | xml = xmlDoc.OuterXml; | 
|  |  | 
|  | var uriTbl = new Uri(string.Format("/xl/tables/table{0}.xml", Id), UriKind.Relative); | 
|  | var part = _pck.Package.CreatePart(uriTbl, "application/vnd.openxmlformats-officedocument.spreadsheetml.table+xml", _pck.Compression); | 
|  | StreamWriter streamTbl = new StreamWriter(part.GetStream(FileMode.Create, FileAccess.Write)); | 
|  | streamTbl.Write(xml); | 
|  | //streamTbl.Close(); | 
|  | streamTbl.Flush(); | 
|  |  | 
|  | //create the relationship and add the ID to the worksheet xml. | 
|  | var rel = added.Part.CreateRelationship(UriHelper.GetRelativeUri(added.WorksheetUri,uriTbl), Packaging.TargetMode.Internal, ExcelPackage.schemaRelationships + "/table"); | 
|  |  | 
|  | if (tbl.RelationshipID == null) | 
|  | { | 
|  | var topNode = added.WorksheetXml.SelectSingleNode("//d:tableParts", tbl.NameSpaceManager); | 
|  | if (topNode == null) | 
|  | { | 
|  | added.CreateNode("d:tableParts"); | 
|  | topNode = added.WorksheetXml.SelectSingleNode("//d:tableParts", tbl.NameSpaceManager); | 
|  | } | 
|  | XmlElement elem = added.WorksheetXml.CreateElement("tablePart", ExcelPackage.schemaMain); | 
|  | topNode.AppendChild(elem); | 
|  | elem.SetAttribute("id",ExcelPackage.schemaRelationships, rel.Id); | 
|  | } | 
|  | else | 
|  | { | 
|  | XmlAttribute relAtt; | 
|  | relAtt = added.WorksheetXml.SelectSingleNode(string.Format("//d:tableParts/d:tablePart/@r:id[.='{0}']", tbl.RelationshipID), tbl.NameSpaceManager) as XmlAttribute; | 
|  | relAtt.Value = rel.Id; | 
|  | } | 
|  | } | 
|  | } | 
|  | private void CopyPivotTable(ExcelWorksheet Copy, ExcelWorksheet added) | 
|  | { | 
|  | string prevName = ""; | 
|  | foreach (var tbl in Copy.PivotTables) | 
|  | { | 
|  | string xml = tbl.PivotTableXml.OuterXml; | 
|  | int Id = _pck.Workbook._nextPivotTableID++; | 
|  |  | 
|  | string name; | 
|  | if (prevName == "") | 
|  | { | 
|  | name = Copy.PivotTables.GetNewTableName(); | 
|  | } | 
|  | else | 
|  | { | 
|  | int ix=int.Parse(prevName.Substring(10))+1; | 
|  | name = string.Format("PivotTable{0}", ix); | 
|  | while (_pck.Workbook.ExistsPivotTableName(name)) | 
|  | { | 
|  | name = string.Format("PivotTable{0}", ++ix); | 
|  | } | 
|  | } | 
|  | prevName=name; | 
|  | XmlDocument xmlDoc = new XmlDocument(); | 
|  | //TODO: Fix save pivottable here | 
|  | //Copy.Save();    //Save the worksheet first | 
|  | xmlDoc.LoadXml(xml); | 
|  | //xmlDoc.SelectSingleNode("//d:table/@id", tbl.NameSpaceManager).Value = Id.ToString(); | 
|  | xmlDoc.SelectSingleNode("//d:pivotTableDefinition/@name", tbl.NameSpaceManager).Value = name; | 
|  | xml = xmlDoc.OuterXml; | 
|  |  | 
|  | var uriTbl = new Uri(string.Format("/xl/pivotTables/pivotTable{0}.xml", Id), UriKind.Relative); | 
|  | var partTbl = _pck.Package.CreatePart(uriTbl, ExcelPackage.schemaPivotTable , _pck.Compression); | 
|  | StreamWriter streamTbl = new StreamWriter(partTbl.GetStream(FileMode.Create, FileAccess.Write)); | 
|  | streamTbl.Write(xml); | 
|  | //streamTbl.Close(); | 
|  | streamTbl.Flush(); | 
|  |  | 
|  | xml = tbl.CacheDefinition.CacheDefinitionXml.OuterXml; | 
|  | var uriCd = new Uri(string.Format("/xl/pivotCache/pivotcachedefinition{0}.xml", Id), UriKind.Relative); | 
|  | while (_pck.Package.PartExists(uriCd)) | 
|  | { | 
|  | uriCd = new Uri(string.Format("/xl/pivotCache/pivotcachedefinition{0}.xml", ++Id), UriKind.Relative); | 
|  | } | 
|  |  | 
|  | var partCd = _pck.Package.CreatePart(uriCd, ExcelPackage.schemaPivotCacheDefinition, _pck.Compression); | 
|  | StreamWriter streamCd = new StreamWriter(partCd.GetStream(FileMode.Create, FileAccess.Write)); | 
|  | streamCd.Write(xml); | 
|  | streamCd.Flush(); | 
|  |  | 
|  | xml = "<pivotCacheRecords xmlns=\"http://schemas.openxmlformats.org/spreadsheetml/2006/main\" xmlns:r=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships\" count=\"0\" />"; | 
|  | var uriRec = new Uri(string.Format("/xl/pivotCache/pivotrecords{0}.xml", Id), UriKind.Relative); | 
|  | while (_pck.Package.PartExists(uriRec)) | 
|  | { | 
|  | uriRec = new Uri(string.Format("/xl/pivotCache/pivotrecords{0}.xml", ++Id), UriKind.Relative); | 
|  | } | 
|  | var partRec = _pck.Package.CreatePart(uriRec, ExcelPackage.schemaPivotCacheRecords, _pck.Compression); | 
|  | StreamWriter streamRec = new StreamWriter(partRec.GetStream(FileMode.Create, FileAccess.Write)); | 
|  | streamRec.Write(xml); | 
|  | streamRec.Flush(); | 
|  |  | 
|  | //create the relationship and add the ID to the worksheet xml. | 
|  | added.Part.CreateRelationship(UriHelper.ResolvePartUri(added.WorksheetUri, uriTbl), Packaging.TargetMode.Internal, ExcelPackage.schemaRelationships + "/pivotTable"); | 
|  | partTbl.CreateRelationship(UriHelper.ResolvePartUri(tbl.Relationship.SourceUri, uriCd), tbl.CacheDefinition.Relationship.TargetMode, tbl.CacheDefinition.Relationship.RelationshipType); | 
|  | partCd.CreateRelationship(UriHelper.ResolvePartUri(uriCd, uriRec), Packaging.TargetMode.Internal, ExcelPackage.schemaRelationships + "/pivotCacheRecords"); | 
|  | } | 
|  | } | 
|  | private void CopyHeaderFooterPictures(ExcelWorksheet Copy, ExcelWorksheet added) | 
|  | { | 
|  | if (Copy.TopNode != null && Copy.TopNode.SelectSingleNode("d:headerFooter", NameSpaceManager)==null) return; | 
|  | //Copy the texts | 
|  | CopyText(Copy.HeaderFooter._oddHeader, added.HeaderFooter.OddHeader); | 
|  | CopyText(Copy.HeaderFooter._oddFooter, added.HeaderFooter.OddFooter); | 
|  | CopyText(Copy.HeaderFooter._evenHeader, added.HeaderFooter.EvenHeader); | 
|  | CopyText(Copy.HeaderFooter._evenFooter, added.HeaderFooter.EvenFooter); | 
|  | CopyText(Copy.HeaderFooter._firstHeader, added.HeaderFooter.FirstHeader); | 
|  | CopyText(Copy.HeaderFooter._firstFooter, added.HeaderFooter.FirstFooter); | 
|  |  | 
|  | //Copy any images; | 
|  | if (Copy.HeaderFooter.Pictures.Count > 0) | 
|  | { | 
|  | Uri source = Copy.HeaderFooter.Pictures.Uri; | 
|  | Uri dest = XmlHelper.GetNewUri(_pck.Package, @"/xl/drawings/vmlDrawing{0}.vml"); | 
|  | added.DeleteNode("d:legacyDrawingHF"); | 
|  |  | 
|  | //var part = _pck.Package.CreatePart(dest, "application/vnd.openxmlformats-officedocument.vmlDrawing", _pck.Compression); | 
|  | foreach (ExcelVmlDrawingPicture pic in Copy.HeaderFooter.Pictures) | 
|  | { | 
|  | var item = added.HeaderFooter.Pictures.Add(pic.Id, pic.ImageUri, pic.Title, pic.Width, pic.Height); | 
|  | foreach (XmlAttribute att in pic.TopNode.Attributes) | 
|  | { | 
|  | (item.TopNode as XmlElement).SetAttribute(att.Name, att.Value); | 
|  | } | 
|  | item.TopNode.InnerXml = pic.TopNode.InnerXml; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | private void CopyText(ExcelHeaderFooterText from, ExcelHeaderFooterText to) | 
|  | { | 
|  | if (from == null) return; | 
|  | to.LeftAlignedText=from.LeftAlignedText; | 
|  | to.CenteredText = from.CenteredText; | 
|  | to.RightAlignedText = from.RightAlignedText; | 
|  | } | 
|  | private void CloneCells(ExcelWorksheet Copy, ExcelWorksheet added) | 
|  | { | 
|  | bool sameWorkbook=(Copy.Workbook == _pck.Workbook); | 
|  |  | 
|  | bool doAdjust = _pck.DoAdjustDrawings; | 
|  | _pck.DoAdjustDrawings = false; | 
|  | added.MergedCells.List.AddRange(Copy.MergedCells.List); | 
|  | //Formulas | 
|  | //foreach (IRangeID f in Copy._formulaCells) | 
|  | //{ | 
|  | //    added._formulaCells.Add(f); | 
|  | //} | 
|  | //Shared Formulas | 
|  | foreach (int key in Copy._sharedFormulas.Keys) | 
|  | { | 
|  | added._sharedFormulas.Add(key, Copy._sharedFormulas[key]); | 
|  | } | 
|  |  | 
|  | Dictionary<int, int> styleCashe = new Dictionary<int, int>(); | 
|  | //Cells | 
|  | int row,col; | 
|  | var val = new CellsStoreEnumerator<object>(Copy._values); | 
|  | //object f=null; | 
|  | //foreach (var addr in val) | 
|  | while(val.Next()) | 
|  | { | 
|  | //row=(int)addr>>32; | 
|  | //col=(int)addr&32; | 
|  | row = val.Row; | 
|  | col = val.Column; | 
|  | //added._cells.Add(cell.Clone(added)); | 
|  | int styleID=0; | 
|  | if (row == 0) //Column | 
|  | { | 
|  | var c = Copy._values.GetValue(row, col) as ExcelColumn; | 
|  | if (c != null) | 
|  | { | 
|  | var clone = c.Clone(added, c.ColumnMin); | 
|  | clone.StyleID = c.StyleID; | 
|  | added._values.SetValue(row, col, clone); | 
|  | styleID = c.StyleID; | 
|  | } | 
|  | } | 
|  | else if (col == 0) //Row | 
|  | { | 
|  | var r=Copy.Row(row); | 
|  | if (r != null) | 
|  | { | 
|  | r.Clone(added); | 
|  | styleID = r.StyleID; | 
|  | //added._values.SetValue(row, col, r.Clone(added)); | 
|  | } | 
|  |  | 
|  | } | 
|  | else | 
|  | { | 
|  | styleID = CopyValues(Copy, added, row, col); | 
|  | } | 
|  | if (!sameWorkbook) | 
|  | { | 
|  | if (styleCashe.ContainsKey(styleID)) | 
|  | { | 
|  | added._styles.SetValue(row, col, styleCashe[styleID]); | 
|  | } | 
|  | else | 
|  | { | 
|  | var s = added.Workbook.Styles.CloneStyle(Copy.Workbook.Styles, styleID); | 
|  | styleCashe.Add(styleID, s); | 
|  | added._styles.SetValue(row, col, s); | 
|  | } | 
|  | } | 
|  | } | 
|  | added._package.DoAdjustDrawings = doAdjust; | 
|  | } | 
|  |  | 
|  | private int CopyValues(ExcelWorksheet Copy, ExcelWorksheet added, int row, int col) | 
|  | { | 
|  | added._values.SetValue(row, col, Copy._values.GetValue(row, col)); | 
|  | var t = Copy._types.GetValue(row, col); | 
|  | if (t != null) | 
|  | { | 
|  | added._types.SetValue(row, col, t); | 
|  | } | 
|  | byte fl=0; | 
|  | if (Copy._flags.Exists(row,col,ref fl)) | 
|  | { | 
|  | added._flags.SetValue(row, col, fl); | 
|  | } | 
|  |  | 
|  | var v = Copy._formulas.GetValue(row, col); | 
|  | if (v != null) | 
|  | { | 
|  | added.SetFormula(row, col, v); | 
|  | } | 
|  | var s = Copy._styles.GetValue(row, col); | 
|  | if (s != 0) | 
|  | { | 
|  | added._styles.SetValue(row, col, s); | 
|  | } | 
|  | var f = Copy._formulas.GetValue(row, col); | 
|  | if (f != null) | 
|  | { | 
|  | added._formulas.SetValue(row, col, f); | 
|  | } | 
|  | return s; | 
|  | } | 
|  |  | 
|  | private void CopyComment(ExcelWorksheet Copy, ExcelWorksheet workSheet) | 
|  | { | 
|  | //First copy the drawing XML | 
|  | string xml = Copy.Comments.CommentXml.InnerXml; | 
|  | var uriComment = new Uri(string.Format("/xl/comments{0}.xml", workSheet.SheetID), UriKind.Relative); | 
|  | if (_pck.Package.PartExists(uriComment)) | 
|  | { | 
|  | uriComment = XmlHelper.GetNewUri(_pck.Package, "/xl/drawings/vmldrawing{0}.vml"); | 
|  | } | 
|  |  | 
|  | var part = _pck.Package.CreatePart(uriComment, "application/vnd.openxmlformats-officedocument.spreadsheetml.comments+xml", _pck.Compression); | 
|  |  | 
|  | StreamWriter streamDrawing = new StreamWriter(part.GetStream(FileMode.Create, FileAccess.Write)); | 
|  | streamDrawing.Write(xml); | 
|  | //streamDrawing.Close(); | 
|  | streamDrawing.Flush(); | 
|  |  | 
|  | //Add the relationship ID to the worksheet xml. | 
|  | var commentRelation = workSheet.Part.CreateRelationship(UriHelper.GetRelativeUri(workSheet.WorksheetUri,uriComment), Packaging.TargetMode.Internal, ExcelPackage.schemaRelationships + "/comments"); | 
|  |  | 
|  | xml = Copy.VmlDrawingsComments.VmlDrawingXml.InnerXml; | 
|  |  | 
|  | var uriVml = new Uri(string.Format("/xl/drawings/vmldrawing{0}.vml", workSheet.SheetID), UriKind.Relative); | 
|  | if (_pck.Package.PartExists(uriVml)) | 
|  | { | 
|  | uriVml = XmlHelper.GetNewUri(_pck.Package, "/xl/drawings/vmldrawing{0}.vml"); | 
|  | } | 
|  |  | 
|  | var vmlPart = _pck.Package.CreatePart(uriVml, "application/vnd.openxmlformats-officedocument.vmlDrawing", _pck.Compression); | 
|  | StreamWriter streamVml = new StreamWriter(vmlPart.GetStream(FileMode.Create, FileAccess.Write)); | 
|  | streamVml.Write(xml); | 
|  | //streamVml.Close(); | 
|  | streamVml.Flush(); | 
|  |  | 
|  | var newVmlRel = workSheet.Part.CreateRelationship(UriHelper.GetRelativeUri(workSheet.WorksheetUri,uriVml), Packaging.TargetMode.Internal, ExcelPackage.schemaRelationships + "/vmlDrawing"); | 
|  |  | 
|  | //Add the relationship ID to the worksheet xml. | 
|  | XmlElement e = workSheet.WorksheetXml.SelectSingleNode("//d:legacyDrawing", _namespaceManager) as XmlElement; | 
|  | if (e == null) | 
|  | { | 
|  | workSheet.CreateNode("d:legacyDrawing"); | 
|  | e = workSheet.WorksheetXml.SelectSingleNode("//d:legacyDrawing", _namespaceManager) as XmlElement; | 
|  | } | 
|  |  | 
|  | e.SetAttribute("id", ExcelPackage.schemaRelationships, newVmlRel.Id); | 
|  | } | 
|  | private void CopyDrawing(ExcelWorksheet Copy, ExcelWorksheet workSheet/*, PackageRelationship r*/) | 
|  | { | 
|  |  | 
|  | //Check if the worksheet has drawings | 
|  | //if(_xlPackage.Package.PartExists(r.TargetUri)) | 
|  | //{ | 
|  | //First copy the drawing XML | 
|  | string xml = Copy.Drawings.DrawingXml.OuterXml; | 
|  | var uriDraw=new Uri(string.Format("/xl/drawings/drawing{0}.xml", workSheet.SheetID),  UriKind.Relative); | 
|  | var part= _pck.Package.CreatePart(uriDraw,"application/vnd.openxmlformats-officedocument.drawing+xml", _pck.Compression); | 
|  | StreamWriter streamDrawing = new StreamWriter(part.GetStream(FileMode.Create, FileAccess.Write)); | 
|  | streamDrawing.Write(xml); | 
|  | //streamDrawing.Close(); | 
|  | streamDrawing.Flush(); | 
|  |  | 
|  | XmlDocument drawXml = new XmlDocument(); | 
|  | drawXml.LoadXml(xml); | 
|  | //Add the relationship ID to the worksheet xml. | 
|  | var drawRelation = workSheet.Part.CreateRelationship(UriHelper.GetRelativeUri(workSheet.WorksheetUri,uriDraw), Packaging.TargetMode.Internal, ExcelPackage.schemaRelationships + "/drawing"); | 
|  | XmlElement e = workSheet.WorksheetXml.SelectSingleNode("//d:drawing", _namespaceManager) as XmlElement; | 
|  | e.SetAttribute("id",ExcelPackage.schemaRelationships, drawRelation.Id); | 
|  |  | 
|  | foreach (ExcelDrawing draw in Copy.Drawings) | 
|  | { | 
|  | if (draw is ExcelChart) | 
|  | { | 
|  | ExcelChart chart = draw as ExcelChart; | 
|  | xml = chart.ChartXml.InnerXml; | 
|  |  | 
|  | var UriChart = XmlHelper.GetNewUri(_pck.Package, "/xl/charts/chart{0}.xml"); | 
|  | var chartPart = _pck.Package.CreatePart(UriChart, "application/vnd.openxmlformats-officedocument.drawingml.chart+xml", _pck.Compression); | 
|  | StreamWriter streamChart = new StreamWriter(chartPart.GetStream(FileMode.Create, FileAccess.Write)); | 
|  | streamChart.Write(xml); | 
|  | //streamChart.Close(); | 
|  | streamChart.Flush(); | 
|  | //Now create the new relationship to the copied chart xml | 
|  | var prevRelID=draw.TopNode.SelectSingleNode("xdr:graphicFrame/a:graphic/a:graphicData/c:chart/@r:id", Copy.Drawings.NameSpaceManager).Value; | 
|  | var rel = part.CreateRelationship(UriHelper.GetRelativeUri(uriDraw,UriChart), Packaging.TargetMode.Internal, ExcelPackage.schemaRelationships + "/chart"); | 
|  | XmlAttribute relAtt = drawXml.SelectSingleNode(string.Format("//c:chart/@r:id[.='{0}']", prevRelID), Copy.Drawings.NameSpaceManager) as XmlAttribute; | 
|  | relAtt.Value=rel.Id; | 
|  | } | 
|  | else if (draw is ExcelPicture) | 
|  | { | 
|  | ExcelPicture pic = draw as ExcelPicture; | 
|  | var uri = pic.UriPic; | 
|  | if(!workSheet.Workbook._package.Package.PartExists(uri)) | 
|  | { | 
|  | var picPart = workSheet.Workbook._package.Package.CreatePart(uri, pic.ContentType, CompressionLevel.None); | 
|  | pic.Image.Save(picPart.GetStream(FileMode.Create, FileAccess.Write), pic.ImageFormat); | 
|  | } | 
|  |  | 
|  | var rel = part.CreateRelationship(UriHelper.GetRelativeUri(workSheet.WorksheetUri, uri), Packaging.TargetMode.Internal, ExcelPackage.schemaRelationships + "/image"); | 
|  | //Fixes problem with invalid image when the same image is used more than once. | 
|  | XmlNode relAtt = | 
|  | drawXml.SelectSingleNode( | 
|  | string.Format( | 
|  | "//xdr:pic/xdr:nvPicPr/xdr:cNvPr/@name[.='{0}']/../../../xdr:blipFill/a:blip/@r:embed", | 
|  | pic.Name), Copy.Drawings.NameSpaceManager); | 
|  | if(relAtt!=null) | 
|  | { | 
|  | relAtt.Value = rel.Id; | 
|  | } | 
|  | if (_pck._images.ContainsKey(pic.ImageHash)) | 
|  | { | 
|  | _pck._images[pic.ImageHash].RefCount++; | 
|  | } | 
|  | } | 
|  | } | 
|  | //rewrite the drawing xml with the new relID's | 
|  | streamDrawing = new StreamWriter(part.GetStream(FileMode.Create, FileAccess.Write)); | 
|  | streamDrawing.Write(drawXml.OuterXml); | 
|  | // streamDrawing.Close(); | 
|  | streamDrawing.Flush(); | 
|  |  | 
|  | //} | 
|  | } | 
|  |  | 
|  | private void CopyVmlDrawing(ExcelWorksheet origSheet, ExcelWorksheet newSheet) | 
|  | { | 
|  | var xml = origSheet.VmlDrawingsComments.VmlDrawingXml.OuterXml; | 
|  | var vmlUri = new Uri(string.Format("/xl/drawings/vmlDrawing{0}.vml", newSheet.SheetID), UriKind.Relative); | 
|  | var part = _pck.Package.CreatePart(vmlUri, "application/vnd.openxmlformats-officedocument.vmlDrawing", _pck.Compression); | 
|  | using (var streamDrawing = new StreamWriter(part.GetStream(FileMode.Create, FileAccess.Write))) | 
|  | { | 
|  | streamDrawing.Write(xml); | 
|  | streamDrawing.Flush(); | 
|  | } | 
|  |  | 
|  | //Add the relationship ID to the worksheet xml. | 
|  | var vmlRelation = newSheet.Part.CreateRelationship(UriHelper.GetRelativeUri(newSheet.WorksheetUri,vmlUri), Packaging.TargetMode.Internal, ExcelPackage.schemaRelationships + "/vmlDrawing"); | 
|  | var e = newSheet.WorksheetXml.SelectSingleNode("//d:legacyDrawing", _namespaceManager) as XmlElement; | 
|  | if (e == null) | 
|  | { | 
|  | e = newSheet.WorksheetXml.CreateNode(XmlNodeType.Entity, "//d:legacyDrawing", _namespaceManager.LookupNamespace("d")) as XmlElement; | 
|  | } | 
|  | if (e != null) | 
|  | { | 
|  | e.SetAttribute("id", ExcelPackage.schemaRelationships, vmlRelation.Id); | 
|  | } | 
|  | } | 
|  |  | 
|  | string CreateWorkbookRel(string Name, int sheetID, Uri uriWorksheet, bool isChart) | 
|  | { | 
|  | //Create the relationship between the workbook and the new worksheet | 
|  | var rel = _pck.Workbook.Part.CreateRelationship(UriHelper.GetRelativeUri(_pck.Workbook.WorkbookUri, uriWorksheet), Packaging.TargetMode.Internal, ExcelPackage.schemaRelationships + "/" + (isChart ? "chartsheet" : "worksheet")); | 
|  | _pck.Package.Flush(); | 
|  |  | 
|  | //Create the new sheet node | 
|  | XmlElement worksheetNode = _pck.Workbook.WorkbookXml.CreateElement("sheet", ExcelPackage.schemaMain); | 
|  | worksheetNode.SetAttribute("name", Name); | 
|  | worksheetNode.SetAttribute("sheetId", sheetID.ToString()); | 
|  | worksheetNode.SetAttribute("id", ExcelPackage.schemaRelationships, rel.Id); | 
|  |  | 
|  | TopNode.AppendChild(worksheetNode); | 
|  | return rel.Id; | 
|  | } | 
|  | private void GetSheetURI(ref string Name, out int sheetID, out Uri uriWorksheet, bool isChart) | 
|  | { | 
|  | Name = ValidateFixSheetName(Name); | 
|  |  | 
|  | //First find maximum existing sheetID | 
|  | sheetID = 0; | 
|  | foreach(var ws in this) | 
|  | { | 
|  | if (ws.SheetID > sheetID) | 
|  | { | 
|  | sheetID = ws.SheetID; | 
|  | } | 
|  | } | 
|  | // we now have the max existing values, so add one | 
|  | sheetID++; | 
|  |  | 
|  | // add the new worksheet to the package | 
|  | if (isChart) | 
|  | { | 
|  | uriWorksheet = new Uri("/xl/chartsheets/chartsheet" + sheetID.ToString() + ".xml", UriKind.Relative); | 
|  | } | 
|  | else | 
|  | { | 
|  | uriWorksheet = new Uri("/xl/worksheets/sheet" + sheetID.ToString() + ".xml", UriKind.Relative); | 
|  | } | 
|  | } | 
|  |  | 
|  | internal string ValidateFixSheetName(string Name) | 
|  | { | 
|  | //remove invalid characters | 
|  | if (ValidateName(Name)) | 
|  | { | 
|  | if (Name.IndexOf(':') > -1) Name = Name.Replace(":", " "); | 
|  | if (Name.IndexOf('/') > -1) Name = Name.Replace("/", " "); | 
|  | if (Name.IndexOf('\\') > -1) Name = Name.Replace("\\", " "); | 
|  | if (Name.IndexOf('?') > -1) Name = Name.Replace("?", " "); | 
|  | if (Name.IndexOf('[') > -1) Name = Name.Replace("[", " "); | 
|  | if (Name.IndexOf(']') > -1) Name = Name.Replace("]", " "); | 
|  | } | 
|  |  | 
|  | if (Name.Trim() == "") | 
|  | { | 
|  | throw new ArgumentException("The worksheet can not have an empty name"); | 
|  | } | 
|  | if (Name.Length > 31) Name = Name.Substring(0, 31);   //A sheet can have max 31 char's | 
|  | return Name; | 
|  | } | 
|  | /// <summary> | 
|  | /// Validate the sheetname | 
|  | /// </summary> | 
|  | /// <param name="Name">The Name</param> | 
|  | /// <returns>True if valid</returns> | 
|  | private bool ValidateName(string Name) | 
|  | { | 
|  | return System.Text.RegularExpressions.Regex.IsMatch(Name, @":|\?|/|\\|\[|\]"); | 
|  | } | 
|  |  | 
|  | /// <summary> | 
|  | /// Creates the XML document representing a new empty worksheet | 
|  | /// </summary> | 
|  | /// <returns></returns> | 
|  | internal XmlDocument CreateNewWorksheet(bool isChart) | 
|  | { | 
|  | XmlDocument xmlDoc = new XmlDocument(); | 
|  | XmlElement elemWs = xmlDoc.CreateElement(isChart ? "chartsheet" : "worksheet", ExcelPackage.schemaMain); | 
|  | elemWs.SetAttribute("xmlns:r", ExcelPackage.schemaRelationships); | 
|  | xmlDoc.AppendChild(elemWs); | 
|  |  | 
|  |  | 
|  | if (isChart) | 
|  | { | 
|  | XmlElement elemSheetPr = xmlDoc.CreateElement("sheetPr", ExcelPackage.schemaMain); | 
|  | elemWs.AppendChild(elemSheetPr); | 
|  |  | 
|  | XmlElement elemSheetViews = xmlDoc.CreateElement("sheetViews", ExcelPackage.schemaMain); | 
|  | elemWs.AppendChild(elemSheetViews); | 
|  |  | 
|  | XmlElement elemSheetView = xmlDoc.CreateElement("sheetView", ExcelPackage.schemaMain); | 
|  | elemSheetView.SetAttribute("workbookViewId", "0"); | 
|  | elemSheetView.SetAttribute("zoomToFit", "1"); | 
|  |  | 
|  | elemSheetViews.AppendChild(elemSheetView); | 
|  | } | 
|  | else | 
|  | { | 
|  | XmlElement elemSheetViews = xmlDoc.CreateElement("sheetViews", ExcelPackage.schemaMain); | 
|  | elemWs.AppendChild(elemSheetViews); | 
|  |  | 
|  | XmlElement elemSheetView = xmlDoc.CreateElement("sheetView", ExcelPackage.schemaMain); | 
|  | elemSheetView.SetAttribute("workbookViewId", "0"); | 
|  | elemSheetViews.AppendChild(elemSheetView); | 
|  |  | 
|  | XmlElement elemSheetFormatPr = xmlDoc.CreateElement("sheetFormatPr", ExcelPackage.schemaMain); | 
|  | elemSheetFormatPr.SetAttribute("defaultRowHeight", "15"); | 
|  | elemWs.AppendChild(elemSheetFormatPr); | 
|  |  | 
|  | XmlElement elemSheetData = xmlDoc.CreateElement("sheetData", ExcelPackage.schemaMain); | 
|  | elemWs.AppendChild(elemSheetData); | 
|  | } | 
|  | return xmlDoc; | 
|  | } | 
|  | #endregion | 
|  | #region Delete Worksheet | 
|  | /// <summary> | 
|  | /// Deletes a worksheet from the collection | 
|  | /// </summary> | 
|  | /// <param name="Index">The position of the worksheet in the workbook</param> | 
|  | public void Delete(int Index) | 
|  | { | 
|  | /* | 
|  | * Hack to prefetch all the drawings, | 
|  | * so that all the images are referenced, | 
|  | * to prevent the deletion of the image file, | 
|  | * when referenced more than once | 
|  | */ | 
|  | foreach (var ws in _worksheets) | 
|  | { | 
|  | var drawings = ws.Value.Drawings; | 
|  | } | 
|  |  | 
|  | ExcelWorksheet worksheet = _worksheets[Index]; | 
|  | if (worksheet.Drawings.Count > 0) | 
|  | { | 
|  | worksheet.Drawings.ClearDrawings(); | 
|  | } | 
|  |  | 
|  | //Remove all comments | 
|  | if (!(worksheet is ExcelChartsheet) && worksheet.Comments.Count > 0) | 
|  | { | 
|  | worksheet.Comments.Clear(); | 
|  | } | 
|  |  | 
|  | //Delete any parts still with relations to the Worksheet. | 
|  | DeleteRelationsAndParts(worksheet.Part); | 
|  |  | 
|  |  | 
|  | //Delete the worksheet part and relation from the package | 
|  | _pck.Workbook.Part.DeleteRelationship(worksheet.RelationshipID); | 
|  |  | 
|  | //Delete worksheet from the workbook XML | 
|  | XmlNode sheetsNode = _pck.Workbook.WorkbookXml.SelectSingleNode("//d:workbook/d:sheets", _namespaceManager); | 
|  | if (sheetsNode != null) | 
|  | { | 
|  | XmlNode sheetNode = sheetsNode.SelectSingleNode(string.Format("./d:sheet[@sheetId={0}]", worksheet.SheetID), _namespaceManager); | 
|  | if (sheetNode != null) | 
|  | { | 
|  | sheetsNode.RemoveChild(sheetNode); | 
|  | } | 
|  | } | 
|  | _worksheets.Remove(Index); | 
|  | if (_pck.Workbook.VbaProject != null) | 
|  | { | 
|  | _pck.Workbook.VbaProject.Modules.Remove(worksheet.CodeModule); | 
|  | } | 
|  | ReindexWorksheetDictionary(); | 
|  | //If the active sheet is deleted, set the first tab as active. | 
|  | if (_pck.Workbook.View.ActiveTab >= _pck.Workbook.Worksheets.Count) | 
|  | { | 
|  | _pck.Workbook.View.ActiveTab = _pck.Workbook.View.ActiveTab-1; | 
|  | } | 
|  | if (_pck.Workbook.View.ActiveTab == worksheet.SheetID) | 
|  | { | 
|  | _pck.Workbook.Worksheets[1].View.TabSelected = true; | 
|  | } | 
|  | worksheet = null; | 
|  | } | 
|  |  | 
|  | private void DeleteRelationsAndParts(Packaging.ZipPackagePart part) | 
|  | { | 
|  | var rels = part.GetRelationships().ToList(); | 
|  | for(int i=0;i<rels.Count;i++) | 
|  | { | 
|  | var rel = rels[i]; | 
|  | if (rel.RelationshipType != ExcelPackage.schemaImage) | 
|  | { | 
|  | DeleteRelationsAndParts(_pck.Package.GetPart(UriHelper.ResolvePartUri(rel.SourceUri, rel.TargetUri))); | 
|  | } | 
|  | part.DeleteRelationship(rel.Id); | 
|  | } | 
|  | _pck.Package.DeletePart(part.Uri); | 
|  | } | 
|  |  | 
|  | /// <summary> | 
|  | /// Deletes a worksheet from the collection | 
|  | /// </summary> | 
|  | /// <param name="name">The name of the worksheet in the workbook</param> | 
|  | public void Delete(string name) | 
|  | { | 
|  | var sheet = this[name]; | 
|  | if (sheet == null) | 
|  | { | 
|  | throw new ArgumentException(string.Format("Could not find worksheet to delete '{0}'", name)); | 
|  | } | 
|  | Delete(sheet.PositionID); | 
|  | } | 
|  | /// <summary> | 
|  | /// Delete a worksheet from the collection | 
|  | /// </summary> | 
|  | /// <param name="Worksheet">The worksheet to delete</param> | 
|  | public void Delete(ExcelWorksheet Worksheet) | 
|  | { | 
|  | if (Worksheet.PositionID <= _worksheets.Count && Worksheet == _worksheets[Worksheet.PositionID]) | 
|  | { | 
|  | Delete(Worksheet.PositionID); | 
|  | } | 
|  | else | 
|  | { | 
|  | throw (new ArgumentException("Worksheet is not in the collection.")); | 
|  | } | 
|  | } | 
|  | #endregion | 
|  | private void ReindexWorksheetDictionary() | 
|  | { | 
|  | var index = 1; | 
|  | var worksheets = new Dictionary<int, ExcelWorksheet>(); | 
|  | foreach (var entry in _worksheets) | 
|  | { | 
|  | entry.Value.PositionID = index; | 
|  | worksheets.Add(index++, entry.Value); | 
|  | } | 
|  | _worksheets = worksheets; | 
|  | } | 
|  |  | 
|  | /// <summary> | 
|  | /// Returns the worksheet at the specified position. | 
|  | /// </summary> | 
|  | /// <param name="PositionID">The position of the worksheet. 1-base</param> | 
|  | /// <returns></returns> | 
|  | public ExcelWorksheet this[int PositionID] | 
|  | { | 
|  | get | 
|  | { | 
|  | if (_worksheets.ContainsKey(PositionID)) | 
|  | { | 
|  | return _worksheets[PositionID]; | 
|  | } | 
|  | else | 
|  | { | 
|  | throw (new IndexOutOfRangeException("Worksheet position out of range.")); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | /// <summary> | 
|  | /// Returns the worksheet matching the specified name | 
|  | /// </summary> | 
|  | /// <param name="Name">The name of the worksheet</param> | 
|  | /// <returns></returns> | 
|  | public ExcelWorksheet this[string Name] | 
|  | { | 
|  | get | 
|  | { | 
|  | return GetByName(Name); | 
|  | } | 
|  | } | 
|  | /// <summary> | 
|  | /// Copies the named worksheet and creates a new worksheet in the same workbook | 
|  | /// </summary> | 
|  | /// <param name="Name">The name of the existing worksheet</param> | 
|  | /// <param name="NewName">The name of the new worksheet to create</param> | 
|  | /// <returns>The new copy added to the end of the worksheets collection</returns> | 
|  | public ExcelWorksheet Copy(string Name, string NewName) | 
|  | { | 
|  | ExcelWorksheet Copy = this[Name]; | 
|  | if (Copy == null) | 
|  | throw new ArgumentException(string.Format("Copy worksheet error: Could not find worksheet to copy '{0}'", Name)); | 
|  |  | 
|  | ExcelWorksheet added = Add(NewName, Copy); | 
|  | return added; | 
|  | } | 
|  | #endregion | 
|  | internal ExcelWorksheet GetBySheetID(int localSheetID) | 
|  | { | 
|  | foreach (ExcelWorksheet ws in this) | 
|  | { | 
|  | if (ws.SheetID == localSheetID) | 
|  | { | 
|  | return ws; | 
|  | } | 
|  | } | 
|  | return null; | 
|  | } | 
|  | private ExcelWorksheet GetByName(string Name) | 
|  | { | 
|  | if (string.IsNullOrEmpty(Name)) return null; | 
|  | ExcelWorksheet xlWorksheet = null; | 
|  | foreach (ExcelWorksheet worksheet in _worksheets.Values) | 
|  | { | 
|  | if (worksheet.Name.Equals(Name, StringComparison.InvariantCultureIgnoreCase)) | 
|  | xlWorksheet = worksheet; | 
|  | } | 
|  | return (xlWorksheet); | 
|  | } | 
|  | #region MoveBefore and MoveAfter Methods | 
|  | /// <summary> | 
|  | /// Moves the source worksheet to the position before the target worksheet | 
|  | /// </summary> | 
|  | /// <param name="sourceName">The name of the source worksheet</param> | 
|  | /// <param name="targetName">The name of the target worksheet</param> | 
|  | public void MoveBefore(string sourceName, string targetName) | 
|  | { | 
|  | Move(sourceName, targetName, false); | 
|  | } | 
|  |  | 
|  | /// <summary> | 
|  | /// Moves the source worksheet to the position before the target worksheet | 
|  | /// </summary> | 
|  | /// <param name="sourcePositionId">The id of the source worksheet</param> | 
|  | /// <param name="targetPositionId">The id of the target worksheet</param> | 
|  | public void MoveBefore(int sourcePositionId, int targetPositionId) | 
|  | { | 
|  | Move(sourcePositionId, targetPositionId, false); | 
|  | } | 
|  |  | 
|  | /// <summary> | 
|  | /// Moves the source worksheet to the position after the target worksheet | 
|  | /// </summary> | 
|  | /// <param name="sourceName">The name of the source worksheet</param> | 
|  | /// <param name="targetName">The name of the target worksheet</param> | 
|  | public void MoveAfter(string sourceName, string targetName) | 
|  | { | 
|  | Move(sourceName, targetName, true); | 
|  | } | 
|  |  | 
|  | /// <summary> | 
|  | /// Moves the source worksheet to the position after the target worksheet | 
|  | /// </summary> | 
|  | /// <param name="sourcePositionId">The id of the source worksheet</param> | 
|  | /// <param name="targetPositionId">The id of the target worksheet</param> | 
|  | public void MoveAfter(int sourcePositionId, int targetPositionId) | 
|  | { | 
|  | Move(sourcePositionId, targetPositionId, true); | 
|  | } | 
|  |  | 
|  | /// <summary> | 
|  | /// | 
|  | /// </summary> | 
|  | /// <param name="sourceName"></param> | 
|  | public void MoveToStart(string sourceName) | 
|  | { | 
|  | var sourceSheet = this[sourceName]; | 
|  | if (sourceSheet == null) | 
|  | { | 
|  | throw new Exception(string.Format("Move worksheet error: Could not find worksheet to move '{0}'", sourceName)); | 
|  | } | 
|  | Move(sourceSheet.PositionID, 1, false); | 
|  | } | 
|  |  | 
|  | /// <summary> | 
|  | /// | 
|  | /// </summary> | 
|  | /// <param name="sourcePositionId"></param> | 
|  | public void MoveToStart(int sourcePositionId) | 
|  | { | 
|  | Move(sourcePositionId, 1, false); | 
|  | } | 
|  |  | 
|  | /// <summary> | 
|  | /// | 
|  | /// </summary> | 
|  | /// <param name="sourceName"></param> | 
|  | public void MoveToEnd(string sourceName) | 
|  | { | 
|  | var sourceSheet = this[sourceName]; | 
|  | if (sourceSheet == null) | 
|  | { | 
|  | throw new Exception(string.Format("Move worksheet error: Could not find worksheet to move '{0}'", sourceName)); | 
|  | } | 
|  | Move(sourceSheet.PositionID, _worksheets.Count, true); | 
|  | } | 
|  |  | 
|  | /// <summary> | 
|  | /// | 
|  | /// </summary> | 
|  | /// <param name="sourcePositionId"></param> | 
|  | public void MoveToEnd(int sourcePositionId) | 
|  | { | 
|  | Move(sourcePositionId, _worksheets.Count, true); | 
|  | } | 
|  |  | 
|  | private void Move(string sourceName, string targetName, bool placeAfter) | 
|  | { | 
|  | var sourceSheet = this[sourceName]; | 
|  | if (sourceSheet == null) | 
|  | { | 
|  | throw new Exception(string.Format("Move worksheet error: Could not find worksheet to move '{0}'", sourceName)); | 
|  | } | 
|  | var targetSheet = this[targetName]; | 
|  | if (targetSheet == null) | 
|  | { | 
|  | throw new Exception(string.Format("Move worksheet error: Could not find worksheet to move '{0}'", targetName)); | 
|  | } | 
|  | Move(sourceSheet.PositionID, targetSheet.PositionID, placeAfter); | 
|  | } | 
|  |  | 
|  | private void Move(int sourcePositionId, int targetPositionId, bool placeAfter) | 
|  | { | 
|  | // Bugfix: if source and target are the same worksheet the following code will create a duplicate | 
|  | //         which will cause a corrupt workbook. /swmal 2014-05-10 | 
|  | if (sourcePositionId == targetPositionId) return; | 
|  |  | 
|  | lock (_worksheets) | 
|  | { | 
|  | var sourceSheet = this[sourcePositionId]; | 
|  | if (sourceSheet == null) | 
|  | { | 
|  | throw new Exception(string.Format("Move worksheet error: Could not find worksheet at position '{0}'", sourcePositionId)); | 
|  | } | 
|  | var targetSheet = this[targetPositionId]; | 
|  | if (targetSheet == null) | 
|  | { | 
|  | throw new Exception(string.Format("Move worksheet error: Could not find worksheet at position '{0}'", targetPositionId)); | 
|  | } | 
|  | if (sourcePositionId == targetPositionId && _worksheets.Count < 2) | 
|  | { | 
|  | return;		//--- no reason to attempt to re-arrange a single item with itself | 
|  | } | 
|  |  | 
|  | var index = 1; | 
|  | var newOrder = new Dictionary<int, ExcelWorksheet>(); | 
|  | foreach (var entry in _worksheets) | 
|  | { | 
|  | if (entry.Key == targetPositionId) | 
|  | { | 
|  | if (!placeAfter) | 
|  | { | 
|  | sourceSheet.PositionID = index; | 
|  | newOrder.Add(index++, sourceSheet); | 
|  | } | 
|  |  | 
|  | entry.Value.PositionID = index; | 
|  | newOrder.Add(index++, entry.Value); | 
|  |  | 
|  | if (placeAfter) | 
|  | { | 
|  | sourceSheet.PositionID = index; | 
|  | newOrder.Add(index++, sourceSheet); | 
|  | } | 
|  | } | 
|  | else if (entry.Key == sourcePositionId) | 
|  | { | 
|  | //--- do nothing | 
|  | } | 
|  | else | 
|  | { | 
|  | entry.Value.PositionID = index; | 
|  | newOrder.Add(index++, entry.Value); | 
|  | } | 
|  | } | 
|  | _worksheets = newOrder; | 
|  |  | 
|  | MoveSheetXmlNode(sourceSheet, targetSheet, placeAfter); | 
|  | } | 
|  | } | 
|  |  | 
|  | private void MoveSheetXmlNode(ExcelWorksheet sourceSheet, ExcelWorksheet targetSheet, bool placeAfter) | 
|  | { | 
|  | lock (TopNode.OwnerDocument) | 
|  | { | 
|  | var sourceNode = TopNode.SelectSingleNode(string.Format("d:sheet[@sheetId = '{0}']", sourceSheet.SheetID), _namespaceManager); | 
|  | var targetNode = TopNode.SelectSingleNode(string.Format("d:sheet[@sheetId = '{0}']", targetSheet.SheetID), _namespaceManager); | 
|  | if (sourceNode == null || targetNode == null) | 
|  | { | 
|  | throw new Exception("Source SheetId and Target SheetId must be valid"); | 
|  | } | 
|  | if (placeAfter) | 
|  | { | 
|  | TopNode.InsertAfter(sourceNode, targetNode); | 
|  | } | 
|  | else | 
|  | { | 
|  | TopNode.InsertBefore(sourceNode, targetNode); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | #endregion | 
|  | public void Dispose() | 
|  | { | 
|  | foreach (var sheet in this._worksheets.Values) | 
|  | { | 
|  | ((IDisposable)sheet).Dispose(); | 
|  | } | 
|  | _worksheets = null; | 
|  | _pck = null; | 
|  | } | 
|  | } // end class Worksheets | 
|  | } |