/*******************************************************************************
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* You may amend and distribute as you like, but don't remove this header!
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*
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* EPPlus provides server-side generation of Excel 2007/2010 spreadsheets.
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* See http://www.codeplex.com/EPPlus for details.
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*
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* Copyright (C) 2011 Jan Källman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Lesser General Public License for more details.
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*
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* The GNU Lesser General Public License can be viewed at http://www.opensource.org/licenses/lgpl-license.php
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* If you unfamiliar with this license or have questions about it, here is an http://www.gnu.org/licenses/gpl-faq.html
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*
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* All code and executables are provided "as is" with no warranty either express or implied.
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* The author accepts no liability for any damage or loss of business that this product may cause.
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*
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* Code change notes:
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*
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* Author Change Date
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* ******************************************************************************
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* Jan Källman Initial Release 2010-03-14
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* Jan Källman License changed GPL-->LGPL 2011-12-27
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*******************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Xml;
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using System.Security.Cryptography;
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using HH.WMS.Utils.EPPlus.Utils;
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namespace HH.WMS.Utils.EPPlus
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{
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/// <summary>
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/// Sheet protection
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///<seealso cref="ExcelEncryption"/>
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///<seealso cref="ExcelProtection"/>
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/// </summary>
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public sealed class ExcelSheetProtection : XmlHelper
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{
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internal ExcelSheetProtection (XmlNamespaceManager nsm, XmlNode topNode,ExcelWorksheet ws) :
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base(nsm, topNode)
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{
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SchemaNodeOrder = ws.SchemaNodeOrder;
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}
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private const string _isProtectedPath="d:sheetProtection/@sheet";
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/// <summary>
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/// If the worksheet is protected.
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/// </summary>
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public bool IsProtected
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{
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get
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{
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return GetXmlNodeBool(_isProtectedPath, false);
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}
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set
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{
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SetXmlNodeBool(_isProtectedPath, value, false);
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if (value)
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{
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AllowEditObject = true;
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AllowEditScenarios = true;
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}
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else
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{
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DeleteAllNode(_isProtectedPath); //delete the whole sheetprotection node
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}
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}
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}
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private const string _allowSelectLockedCellsPath = "d:sheetProtection/@selectLockedCells";
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/// <summary>
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/// Allow users to select locked cells
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/// </summary>
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public bool AllowSelectLockedCells
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{
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get
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{
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return !GetXmlNodeBool(_allowSelectLockedCellsPath, false);
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}
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set
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{
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SetXmlNodeBool(_allowSelectLockedCellsPath, !value, false);
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}
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}
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private const string _allowSelectUnlockedCellsPath = "d:sheetProtection/@selectUnlockedCells";
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/// <summary>
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/// Allow users to select unlocked cells
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/// </summary>
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public bool AllowSelectUnlockedCells
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{
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get
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{
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return !GetXmlNodeBool(_allowSelectUnlockedCellsPath, false);
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}
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set
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{
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SetXmlNodeBool(_allowSelectUnlockedCellsPath, !value, false);
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}
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}
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private const string _allowObjectPath="d:sheetProtection/@objects";
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/// <summary>
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/// Allow users to edit objects
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/// </summary>
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public bool AllowEditObject
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{
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get
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{
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return !GetXmlNodeBool(_allowObjectPath, false);
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}
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set
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{
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SetXmlNodeBool(_allowObjectPath, !value, false);
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}
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}
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private const string _allowScenariosPath="d:sheetProtection/@scenarios";
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/// <summary>
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/// Allow users to edit senarios
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/// </summary>
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public bool AllowEditScenarios
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{
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get
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{
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return !GetXmlNodeBool(_allowScenariosPath, false);
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}
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set
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{
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SetXmlNodeBool(_allowScenariosPath, !value, false);
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}
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}
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private const string _allowFormatCellsPath="d:sheetProtection/@formatCells";
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/// <summary>
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/// Allow users to format cells
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/// </summary>
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public bool AllowFormatCells
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{
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get
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{
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return !GetXmlNodeBool(_allowFormatCellsPath, true);
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}
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set
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{
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SetXmlNodeBool(_allowFormatCellsPath, !value, true );
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}
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}
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private const string _allowFormatColumnsPath = "d:sheetProtection/@formatColumns";
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/// <summary>
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/// Allow users to Format columns
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/// </summary>
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public bool AllowFormatColumns
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{
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get
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{
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return !GetXmlNodeBool(_allowFormatColumnsPath, true);
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}
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set
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{
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SetXmlNodeBool(_allowFormatColumnsPath, !value, true);
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}
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}
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private const string _allowFormatRowsPath = "d:sheetProtection/@formatRows";
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/// <summary>
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/// Allow users to Format rows
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/// </summary>
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public bool AllowFormatRows
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{
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get
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{
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return !GetXmlNodeBool(_allowFormatRowsPath, true);
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}
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set
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{
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SetXmlNodeBool(_allowFormatRowsPath, !value, true);
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}
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}
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private const string _allowInsertColumnsPath = "d:sheetProtection/@insertColumns";
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/// <summary>
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/// Allow users to insert columns
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/// </summary>
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public bool AllowInsertColumns
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{
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get
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{
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return !GetXmlNodeBool(_allowInsertColumnsPath, true);
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}
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set
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{
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SetXmlNodeBool(_allowInsertColumnsPath, !value, true);
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}
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}
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private const string _allowInsertRowsPath = "d:sheetProtection/@insertRows";
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/// <summary>
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/// Allow users to Format rows
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/// </summary>
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public bool AllowInsertRows
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{
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get
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{
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return !GetXmlNodeBool(_allowInsertRowsPath, true);
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}
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set
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{
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SetXmlNodeBool(_allowInsertRowsPath, !value, true);
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}
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}
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private const string _allowInsertHyperlinksPath = "d:sheetProtection/@insertHyperlinks";
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/// <summary>
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/// Allow users to insert hyperlinks
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/// </summary>
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public bool AllowInsertHyperlinks
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{
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get
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{
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return !GetXmlNodeBool(_allowInsertHyperlinksPath, true);
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}
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set
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{
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SetXmlNodeBool(_allowInsertHyperlinksPath, !value, true);
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}
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}
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private const string _allowDeleteColumns = "d:sheetProtection/@deleteColumns";
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/// <summary>
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/// Allow users to delete columns
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/// </summary>
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public bool AllowDeleteColumns
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{
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get
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{
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return !GetXmlNodeBool(_allowDeleteColumns, true);
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}
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set
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{
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SetXmlNodeBool(_allowDeleteColumns, !value, true);
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}
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}
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private const string _allowDeleteRowsPath = "d:sheetProtection/@deleteRows";
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/// <summary>
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/// Allow users to delete rows
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/// </summary>
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public bool AllowDeleteRows
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{
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get
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{
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return !GetXmlNodeBool(_allowDeleteRowsPath, true);
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}
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set
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{
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SetXmlNodeBool(_allowDeleteRowsPath, !value, true);
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}
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}
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private const string _allowSortPath = "d:sheetProtection/@sort";
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/// <summary>
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/// Allow users to sort a range
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/// </summary>
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public bool AllowSort
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{
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get
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{
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return !GetXmlNodeBool(_allowSortPath, true);
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}
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set
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{
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SetXmlNodeBool(_allowSortPath, !value, true);
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}
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}
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private const string _allowAutoFilterPath = "d:sheetProtection/@autoFilter";
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/// <summary>
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/// Allow users to use autofilters
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/// </summary>
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public bool AllowAutoFilter
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{
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get
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{
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return !GetXmlNodeBool(_allowAutoFilterPath, true);
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}
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set
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{
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SetXmlNodeBool(_allowAutoFilterPath, !value, true);
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}
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}
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private const string _allowPivotTablesPath = "d:sheetProtection/@pivotTables";
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/// <summary>
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/// Allow users to use pivottables
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/// </summary>
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public bool AllowPivotTables
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{
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get
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{
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return !GetXmlNodeBool(_allowPivotTablesPath, true);
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}
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set
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{
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SetXmlNodeBool(_allowPivotTablesPath, !value, true);
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}
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}
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private const string _passwordPath = "d:sheetProtection/@password";
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/// <summary>
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/// Sets a password for the sheet.
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/// </summary>
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/// <param name="Password"></param>
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public void SetPassword(string Password)
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{
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if (IsProtected == false) IsProtected = true;
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Password = Password.Trim();
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if (Password == "")
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{
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var node = TopNode.SelectSingleNode(_passwordPath, NameSpaceManager);
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if (node != null)
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{
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(node as XmlAttribute).OwnerElement.Attributes.Remove(node as XmlAttribute);
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}
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return;
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}
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int hash = EncryptedPackageHandler.CalculatePasswordHash(Password);
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SetXmlNodeString(_passwordPath, ((int)hash).ToString("x"));
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}
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}
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}
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