/*******************************************************************************
 * 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.Generic;
using System.Text;
using System.Xml;
using System.Globalization;
using System.Linq;

namespace OfficeOpenXml
{
    #region "Enums"
    /// <summary>
    /// Printer orientation
    /// </summary>
    public enum eOrientation
    {
        /// <summary>
        /// Portrait orientation
        /// </summary>
        Portrait,
        /// <summary>
        /// Landscape orientation
        /// </summary>
        Landscape
    }
    /// <summary>
    /// Papersize
    /// </summary>
    public enum ePaperSize
    {
        /// <summary>
        /// Letter paper (8.5 in. by 11 in.)
        /// </summary>
        Letter= 1,      
        /// <summary>
        /// Letter small paper (8.5 in. by 11 in.)
        /// </summary>
        LetterSmall=2,  
        /// <summary>
        /// // Tabloid paper (11 in. by 17 in.)
        /// </summary>
        Tabloid=3,      
        /// <summary>
        /// Ledger paper (17 in. by 11 in.)
        /// </summary>
        Ledger=4,       
        /// <summary>
        /// Legal paper (8.5 in. by 14 in.)
        /// </summary>
        Legal=5,         
        /// <summary>
        /// Statement paper (5.5 in. by 8.5 in.)
        /// </summary>
        Statement=6,    
        /// <summary>
        /// Executive paper (7.25 in. by 10.5 in.)
        /// </summary>
        Executive=7,     
        /// <summary>
        /// A3 paper (297 mm by 420 mm)
        /// </summary>
        A3=8,           
        /// <summary>
        /// A4 paper (210 mm by 297 mm)
        /// </summary>
        A4=9,            
        /// <summary>
        /// A4 small paper (210 mm by 297 mm)
        /// </summary>
        A4Small=10,      
        /// <summary>
        /// A5 paper (148 mm by 210 mm)
        /// </summary>
        A5=11,           
        /// <summary>
        /// B4 paper (250 mm by 353 mm)
        /// </summary>
        B4=12,            
        /// <summary>
        /// B5 paper (176 mm by 250 mm)
        /// </summary>
        B5=13,            
        /// <summary>
        /// Folio paper (8.5 in. by 13 in.)
        /// </summary>
        Folio=14,         
        /// <summary>
        /// Quarto paper (215 mm by 275 mm)
        /// </summary>
        Quarto=15,        
        /// <summary>
        /// Standard paper (10 in. by 14 in.)
        /// </summary>
        Standard10_14=16, 
        /// <summary>
        /// Standard paper (11 in. by 17 in.)
        /// </summary>
        Standard11_17=17,  
        /// <summary>
        /// Note paper (8.5 in. by 11 in.)
        /// </summary>
        Note=18,           
        /// <summary>
        /// #9 envelope (3.875 in. by 8.875 in.)
        /// </summary>
        Envelope9=19,      
        /// <summary>
        /// #10 envelope (4.125 in. by 9.5 in.)
        /// </summary>
        Envelope10=20,     
        /// <summary>
        /// #11 envelope (4.5 in. by 10.375 in.)
        /// </summary>
        Envelope11=21,     
        /// <summary>
        /// #12 envelope (4.75 in. by 11 in.)
        /// </summary>
        Envelope12=22,     
        /// <summary>
        /// #14 envelope (5 in. by 11.5 in.)
        /// </summary>
        Envelope14=23,     
        /// <summary>
        /// C paper (17 in. by 22 in.)
        /// </summary>
        C=24,              
        /// <summary>
        /// D paper (22 in. by 34 in.)
        /// </summary>
        D=25,               
        /// <summary>
        /// E paper (34 in. by 44 in.)
        /// </summary>
        E=26,               
        /// <summary>
        /// DL envelope (110 mm by 220 mm)
        /// </summary>
        DLEnvelope = 27,
        /// <summary>
        /// C5 envelope (162 mm by 229 mm)
        /// </summary>
        C5Envelope = 28,
        /// <summary>
        /// C3 envelope (324 mm by 458 mm)
        /// </summary>
        C3Envelope = 29, 
        /// <summary>
        /// C4 envelope (229 mm by 324 mm)
        /// </summary>
        C4Envelope = 30, 
        /// <summary>
        /// C6 envelope (114 mm by 162 mm)
        /// </summary>
        C6Envelope = 31, 
        /// <summary>
        /// C65 envelope (114 mm by 229 mm)
        /// </summary>
        C65Envelope = 32, 
        /// <summary>
        /// B4 envelope (250 mm by 353 mm)
        /// </summary>
        B4Envelope= 33, 
        /// <summary>
        /// B5 envelope (176 mm by 250 mm)
        /// </summary>
        B5Envelope= 34, 
        /// <summary>
        /// B6 envelope (176 mm by 125 mm)
        /// </summary>
        B6Envelope = 35, 
        /// <summary>
        /// Italy envelope (110 mm by 230 mm)
        /// </summary>
        ItalyEnvelope = 36, 
        /// <summary>
        /// Monarch envelope (3.875 in. by 7.5 in.).
        /// </summary>
        MonarchEnvelope = 37, 
        /// <summary>
        /// 6 3/4 envelope (3.625 in. by 6.5 in.)
        /// </summary>
        Six3_4Envelope = 38,
        /// <summary>
        /// US standard fanfold (14.875 in. by 11 in.)
        /// </summary>
        USStandard=39, 
        /// <summary>
        /// German standard fanfold (8.5 in. by 12 in.)
        /// </summary>
        GermanStandard=40, 
        /// <summary>
        /// German legal fanfold (8.5 in. by 13 in.)
        /// </summary>
        GermanLegal=41, 
        /// <summary>
        /// ISO B4 (250 mm by 353 mm)
        /// </summary>
        ISOB4=42,
        /// <summary>
        ///  Japanese double postcard (200 mm by 148 mm)
        /// </summary>
        JapaneseDoublePostcard=43,
        /// <summary>
        /// Standard paper (9 in. by 11 in.)
        /// </summary>
        Standard9=44, 
        /// <summary>
        /// Standard paper (10 in. by 11 in.)
        /// </summary>
        Standard10=45, 
        /// <summary>
        /// Standard paper (15 in. by 11 in.)
        /// </summary>
        Standard15=46, 
        /// <summary>
        /// Invite envelope (220 mm by 220 mm)
        /// </summary>
        InviteEnvelope = 47, 
        /// <summary>
        /// Letter extra paper (9.275 in. by 12 in.)
        /// </summary>
        LetterExtra=50,
        /// <summary>
        /// Legal extra paper (9.275 in. by 15 in.)
        /// </summary>
        LegalExtra=51, 
        /// <summary>
        /// Tabloid extra paper (11.69 in. by 18 in.)
        /// </summary>
        TabloidExtra=52,
        /// <summary>
        /// A4 extra paper (236 mm by 322 mm)
        /// </summary>
        A4Extra=53, 
        /// <summary>
        /// Letter transverse paper (8.275 in. by 11 in.)
        /// </summary>
        LetterTransverse=54, 
        /// <summary>
        /// A4 transverse paper (210 mm by 297 mm)
        /// </summary>
        A4Transverse=55, 
        /// <summary>
        /// Letter extra transverse paper (9.275 in. by 12 in.)
        /// </summary>
        LetterExtraTransverse=56, 
        /// <summary>
        /// SuperA/SuperA/A4 paper (227 mm by 356 mm)
        /// </summary>
        SuperA=57, 
        /// <summary>
        /// SuperB/SuperB/A3 paper (305 mm by 487 mm)
        /// </summary>
        SuperB=58, 
        /// <summary>
        /// Letter plus paper (8.5 in. by 12.69 in.)
        /// </summary>
        LetterPlus=59, 
        /// <summary>
        /// A4 plus paper (210 mm by 330 mm)
        /// </summary>
        A4Plus=60, 
        /// <summary>
        /// A5 transverse paper (148 mm by 210 mm)
        /// </summary>
        A5Transverse=61, 
        /// <summary>
        /// JIS B5 transverse paper (182 mm by 257 mm)
        /// </summary>
        JISB5Transverse=62, 
        /// <summary>
        /// A3 extra paper (322 mm by 445 mm)
        /// </summary>
        A3Extra=63, 
        /// <summary>
        /// A5 extra paper (174 mm by 235 mm)
        /// </summary>
        A5Extra=64, 
        /// <summary>
        /// ISO B5 extra paper (201 mm by 276 mm)
        /// </summary>
        ISOB5=65, 
        /// <summary>
        /// A2 paper (420 mm by 594 mm)
        /// </summary>
        A2=66, 
        /// <summary>
        /// A3 transverse paper (297 mm by 420 mm)
        /// </summary>
        A3Transverse=67, 
        /// <summary>
        /// A3 extra transverse paper (322 mm by 445 mm*/
        /// </summary>
        A3ExtraTransverse = 68
    }
    /// <summary>
    /// Specifies printed page order
    /// </summary>
    public enum ePageOrder
    {

        /// <summary>
        /// Order pages vertically first, then move horizontally.
        /// </summary>
        DownThenOver,
        /// <summary>
        /// Order pages horizontally first, then move vertically
        /// </summary>
        OverThenDown
    }
    #endregion
    /// <summary>
    /// Printer settings
    /// </summary>
    public sealed class ExcelPrinterSettings : XmlHelper
    {
        ExcelWorksheet _ws;
        bool _marginsCreated = false;

        internal ExcelPrinterSettings(XmlNamespaceManager ns, XmlNode topNode,ExcelWorksheet ws) :
            base(ns, topNode)
        {
            _ws = ws;
            SchemaNodeOrder = ws.SchemaNodeOrder;
        }
        const string _leftMarginPath = "d:pageMargins/@left";
        /// <summary>
        /// Left margin in inches
        /// </summary>
        public decimal LeftMargin 
        {
            get
            {
                return GetXmlNodeDecimal(_leftMarginPath);
            }
            set
            {
               CreateMargins();
               SetXmlNodeString(_leftMarginPath, value.ToString(CultureInfo.InvariantCulture));
            }
        }
        const string _rightMarginPath = "d:pageMargins/@right";
        /// <summary>
        /// Right margin in inches
        /// </summary>
        public decimal RightMargin 
        {
            get
            {
                return GetXmlNodeDecimal(_rightMarginPath);
            }
            set
            {
                CreateMargins();
                SetXmlNodeString(_rightMarginPath, value.ToString(CultureInfo.InvariantCulture));
            }
        }
        const string _topMarginPath = "d:pageMargins/@top";
        /// <summary>
        /// Top margin in inches
        /// </summary>
        public decimal TopMargin 
        {
            get
            {
                return GetXmlNodeDecimal(_topMarginPath);
            }
            set
            {
                CreateMargins();
                SetXmlNodeString(_topMarginPath, value.ToString(CultureInfo.InvariantCulture));
            }
        }
        const string _bottomMarginPath = "d:pageMargins/@bottom";
        /// <summary>
        /// Bottom margin in inches
        /// </summary>
        public decimal BottomMargin 
        {
            get
            {
                return GetXmlNodeDecimal(_bottomMarginPath);
            }
            set
            {
                CreateMargins();
                SetXmlNodeString(_bottomMarginPath, value.ToString(CultureInfo.InvariantCulture));
            }
        }
        const string _headerMarginPath = "d:pageMargins/@header";
        /// <summary>
        /// Header margin in inches
        /// </summary>
        public decimal HeaderMargin 
        {
            get
            {
                return GetXmlNodeDecimal(_headerMarginPath);
            }
            set
            {
                CreateMargins();
                SetXmlNodeString(_headerMarginPath, value.ToString(CultureInfo.InvariantCulture));
            }
        }
        const string _footerMarginPath = "d:pageMargins/@footer";
        /// <summary>
        /// Footer margin in inches
        /// </summary>
        public decimal FooterMargin 
        {
            get
            {
                return GetXmlNodeDecimal(_footerMarginPath);
            }
            set
            {
                CreateMargins();
                SetXmlNodeString(_footerMarginPath, value.ToString(CultureInfo.InvariantCulture));
            }
        }
        const string _orientationPath = "d:pageSetup/@orientation";
        /// <summary>
        /// Orientation 
        /// Portrait or Landscape
        /// </summary>
        public eOrientation Orientation
        {
            get
            {
                return (eOrientation)Enum.Parse(typeof(eOrientation), GetXmlNodeString(_orientationPath), true);
            }
            set
            {
                SetXmlNodeString(_orientationPath, value.ToString().ToLower(CultureInfo.InvariantCulture));
            }
        }
        const string _fitToWidthPath = "d:pageSetup/@fitToWidth";
        /// <summary>
        /// Fit to Width in pages. 
        /// Set FitToPage to true when using this one. 
        /// 0 is automatic
        /// </summary>
        public int FitToWidth
        {
            get
            {
                return GetXmlNodeInt(_fitToWidthPath);
            }
            set
            {
                SetXmlNodeString(_fitToWidthPath, value.ToString());
            }
        }
        const string _fitToHeightPath = "d:pageSetup/@fitToHeight";
        /// <summary>
        /// Fit to height in pages. 
        /// Set FitToPage to true when using this one. 
        /// 0 is automatic
        /// </summary>
        public int FitToHeight
        {
            get
            {
                return GetXmlNodeInt(_fitToHeightPath);
            }
            set
            {
                SetXmlNodeString(_fitToHeightPath, value.ToString());
            }
        }
        const string _scalePath = "d:pageSetup/@scale";
        /// <summary>
        /// Print scale
        /// </summary>
        public int Scale
        {
            get
            {
                return GetXmlNodeInt(_scalePath);
            }
            set
            {
                SetXmlNodeString(_scalePath, value.ToString());
            }
        }
        const string _fitToPagePath = "d:sheetPr/d:pageSetUpPr/@fitToPage";
        /// <summary>
        /// Fit To Page.
        /// </summary>
        public bool FitToPage
        {
            get
            {
                return GetXmlNodeBool(_fitToPagePath);
            }
            set
            {
                SetXmlNodeString(_fitToPagePath, value ? "1" : "0");
            }
        }
        const string _headersPath = "d:printOptions/@headings";
        /// <summary>
        /// Print headings (column letter and row numbers)
        /// </summary>
        public bool ShowHeaders
        {
            get
            {
                return GetXmlNodeBool(_headersPath, false);
            }
            set
            {
                SetXmlNodeBool(_headersPath, value, false);
            }
        }
        /// <summary>
        /// Print titles
        /// Rows to be repeated after each pagebreak.
        /// The address must be a full row address (ex. 1:1)
        /// </summary>
        public ExcelAddress RepeatRows
        {
            get
            {
                if (_ws.Names.ContainsKey("_xlnm.Print_Titles"))
                {
                    ExcelRangeBase r = _ws.Names["_xlnm.Print_Titles"] as ExcelRangeBase;
                    if (r.Start.Column == 1 && r.End.Column == ExcelPackage.MaxColumns)
                    {
                        return new ExcelAddress(r.FirstAddress);
                    }
                    else if (r._addresses != null)
                    {
                        return r._addresses.FirstOrDefault(a => a.Start.Column == 1 && a.End.Column == ExcelPackage.MaxColumns);
                    }
                    else
                    {
                        return null;
                    }
                }
                else
                {
                    return null;
                }
            }
            set
            {

                //Must span entire columns
                if (!(value.Start.Column == 1 && value.End.Column == ExcelPackage.MaxColumns))
                {
                    throw new InvalidOperationException("Address must span full columns only (for ex. Address=\"A:A\" for the first column).");
                }

                var vertAddr = RepeatColumns;
                string addr;
                if (vertAddr == null)
                {
                    addr = value.Address;
                }
                else
                {
                    addr = vertAddr.Address + "," + value.Address;
                }

                if (_ws.Names.ContainsKey("_xlnm.Print_Titles"))
                {
                    _ws.Names["_xlnm.Print_Titles"].Address = addr;
                }
                else
                {
                    _ws.Names.Add("_xlnm.Print_Titles", new ExcelRangeBase(_ws, addr));
                }
            }
        }
        /// <summary>
        /// Print titles
        /// Columns to be repeated after each pagebreak.
        /// The address must be a full column address (ex. A:A)
        /// </summary>
        public ExcelAddress RepeatColumns
        {
            get
            {
                if (_ws.Names.ContainsKey("_xlnm.Print_Titles"))
                {
                    ExcelRangeBase r = _ws.Names["_xlnm.Print_Titles"] as ExcelRangeBase;
                    
                    if (r.Start.Row == 1 && r.End.Row == ExcelPackage.MaxRows)
                    {
                        return new ExcelAddress(r.FirstAddress);
                    }
                    else if (r._addresses != null)
                    {
                        return r._addresses.FirstOrDefault(a => a.Start.Row == 1 && a.End.Row == ExcelPackage.MaxRows);
                    }
                    else
                    {
                        return null;
                    }
                }
                else
                {
                    return null;
                }
            }
            set
            {
                //Must span entire rows
                if (!(value.Start.Row == 1 && value.End.Row== ExcelPackage.MaxRows))
                {
                    throw new InvalidOperationException("Address must span rows only (for ex. Address=\"1:1\" for the first row).");
                }

                var horAddr = RepeatRows;
                string addr;
                if (horAddr == null)
                {
                    addr = value.Address;
                }
                else
                {
                    addr = value.Address + "," + horAddr.Address;
                }

                if (_ws.Names.ContainsKey("_xlnm.Print_Titles"))
                {
                    _ws.Names["_xlnm.Print_Titles"].Address = addr;
                }
                else
                {
                    _ws.Names.Add("_xlnm.Print_Titles", new ExcelRangeBase(_ws, addr));
                }
            }
        }
        /// <summary>
        /// The printarea.
        /// Null if no print area is set.
        /// </summary>
        public ExcelRangeBase PrintArea 
        {
            get
            {
                if (_ws.Names.ContainsKey("_xlnm.Print_Area"))
                {
                    return _ws.Names["_xlnm.Print_Area"];
                }
                else
                {
                    return null;
                }
            }
            set
            {
                if (value == null)
                {
                    _ws.Names.Remove("_xlnm.Print_Area");
                }
                else if (_ws.Names.ContainsKey("_xlnm.Print_Area"))
                {
                    _ws.Names["_xlnm.Print_Area"].Address = value.Address;
                }
                else
                {
                    _ws.Names.Add("_xlnm.Print_Area", value);
                }
            }
        }
        const string _gridLinesPath = "d:printOptions/@gridLines";
        /// <summary>
        /// Print gridlines 
        /// </summary>
        public bool ShowGridLines
        {
            get
            {
                return GetXmlNodeBool(_gridLinesPath, false);
            }
            set
            {
                SetXmlNodeBool(_gridLinesPath, value, false);
            }
        }
        const string _horizontalCenteredPath = "d:printOptions/@horizontalCentered";
        /// <summary>
        /// Horizontal centered when printing 
        /// </summary>w
        public bool HorizontalCentered
        {
            get
            {
                return GetXmlNodeBool(_horizontalCenteredPath, false);
            }
            set
            {
                SetXmlNodeBool(_horizontalCenteredPath, value, false);
            }
        }
        const string _verticalCenteredPath = "d:printOptions/@verticalCentered";
        /// <summary>
        /// Vertical centered when printing 
        /// </summary>
        public bool VerticalCentered
        {
            get
            {
                return GetXmlNodeBool(_verticalCenteredPath, false);
            }
            set
            {
                SetXmlNodeBool(_verticalCenteredPath, value, false);
            }
        }
        const string _pageOrderPath = "d:pageSetup/@pageOrder";        
        /// <summary>
        /// Specifies printed page order
        /// </summary>
        public ePageOrder PageOrder
        {
            get
            {
                if (GetXmlNodeString(_pageOrderPath) == "overThenDown")
                {
                    return ePageOrder.OverThenDown;
                }
                else
                {
                    return ePageOrder.DownThenOver;
                }
            }
            set
            {
                if (value == ePageOrder.OverThenDown)
                {
                    SetXmlNodeString(_pageOrderPath, "overThenDown");
                }
                else
                {
                    DeleteNode(_pageOrderPath);
                }
            }
        }
        const string _blackAndWhitePath = "d:pageSetup/@blackAndWhite";
        /// <summary>
        /// Print black and white
        /// </summary>
        public bool BlackAndWhite
        {
            get
            {
                return GetXmlNodeBool(_blackAndWhitePath, false);
            }
            set
            {
                SetXmlNodeBool(_blackAndWhitePath, value, false);
            }
        }
        const string _draftPath = "d:pageSetup/@draft";
        /// <summary>
        /// Print a draft
        /// </summary>
        public bool Draft
        {
            get
            {
                return GetXmlNodeBool(_draftPath, false);
            }
            set
            {
                SetXmlNodeBool(_draftPath, value, false);
            }
        }
        const string _paperSizePath = "d:pageSetup/@paperSize";
        /// <summary>
        /// Paper size 
        /// </summary>
        public ePaperSize PaperSize 
        {
            get
            {
                string s = GetXmlNodeString(_paperSizePath);
                if (s != "")
                {
                    return (ePaperSize)int.Parse(s);
                }
                else
                {
                    return ePaperSize.Letter;
                    
                }
            }
            set
            {
                SetXmlNodeString(_paperSizePath, ((int)value).ToString());
            }
        }
        /// <summary>
        /// All or none of the margin attributes must exist. Create all att ones.
        /// </summary>
        private void CreateMargins()
        {
            if (_marginsCreated==false && TopNode.SelectSingleNode(_leftMarginPath, NameSpaceManager) == null) 
            {
                _marginsCreated=true;
                LeftMargin = 0.7087M;
                RightMargin = 0.7087M;
                TopMargin = 0.7480M;
                BottomMargin = 0.7480M;
                HeaderMargin = 0.315M;
                FooterMargin = 0.315M;
            }
        }
    }
}
