/*******************************************************************************
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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 Added 10-SEP-2009
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* Jan Källman License changed GPL-->LGPL 2011-12-16
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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.Globalization;
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using HH.WMS.Utils.EPPlus.Style;
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using System.Text.RegularExpressions;
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namespace HH.WMS.Utils.EPPlus
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{
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internal class ExcelCell : ExcelCellBase, IExcelCell, IRangeID
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{
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[Flags]
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private enum flags
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{
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isMerged=1,
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isRichText=2,
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}
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#region Cell Private Properties
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private ExcelWorksheet _worksheet;
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private int _row;
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private int _col;
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internal string _formula="";
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internal string _formulaR1C1 = "";
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private Uri _hyperlink = null;
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string _dataType = "";
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#endregion
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#region ExcelCell Constructor
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/// <summary>
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/// A cell in the worksheet.
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/// </summary>
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/// <param name="worksheet">A reference to the worksheet</param>
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/// <param name="row">The row number</param>
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/// <param name="col">The column number</param>
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internal ExcelCell(ExcelWorksheet worksheet, int row, int col)
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{
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if (row < 1 || col < 1)
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throw new ArgumentException("Negative row and column numbers are not allowed");
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if (row > ExcelPackage.MaxRows || col > ExcelPackage.MaxColumns)
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throw new ArgumentException("Row or column numbers are out of range");
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if (worksheet == null)
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throw new ArgumentException("Worksheet must be set to a valid reference");
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_row = row;
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_col = col;
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_worksheet = worksheet;
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if (col < worksheet._minCol) worksheet._minCol = col;
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if (col > worksheet._maxCol) worksheet._maxCol = col;
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_sharedFormulaID = int.MinValue;
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IsRichText = false;
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}
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internal ExcelCell(ExcelWorksheet worksheet, string cellAddress)
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{
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_worksheet = worksheet;
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GetRowColFromAddress(cellAddress, out _row, out _col);
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if (_col < worksheet._minCol) worksheet._minCol = _col;
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if (_col > worksheet._maxCol) worksheet._maxCol = _col;
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_sharedFormulaID = int.MinValue;
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IsRichText = false;
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}
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#endregion
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internal ulong CellID
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{
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get
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{
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return GetCellID(_worksheet.SheetID, Row, Column);
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}
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}
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#region ExcelCell Public Properties
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/// <summary>
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/// Row number
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/// </summary>
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internal int Row { get { return _row; } set { _row = value; } }
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/// <summary>
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/// Column number
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/// </summary>
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internal int Column { get { return _col; } set { _col = value; } }
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/// <summary>
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/// The address
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/// </summary>
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internal string CellAddress { get { return GetAddress(_row, _col); } }
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/// <summary>
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/// Returns true if the cell's contents are numeric.
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/// </summary>
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public bool IsNumeric { get { return (Value is decimal || Value.GetType().IsPrimitive ); } }
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#region ExcelCell Value
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internal object _value = null;
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/// <summary>
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/// Gets/sets the value of the cell.
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/// </summary>
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public object Value
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{
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get
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{
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return _value;
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}
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set
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{
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SetValueRichText(value);
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if (IsRichText) IsRichText = false;
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}
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}
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internal void SetValueRichText(object value)
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{
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_value = value;
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if (value is string) DataType = "s"; else DataType = "";
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Formula = "";
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}
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/// <summary>
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/// If cell has inline formatting.
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/// </summary>
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public bool IsRichText { get; set; }
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/// <summary>
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/// If the cell is merged with other cells
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/// </summary>
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public bool Merge { get; internal set; }
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/// <summary>
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/// Merge Id
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/// </summary>
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internal int MergeId { get; set; }
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#endregion
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#region ExcelCell DataType
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/// <summary>
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/// Datatype
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/// TODO: remove
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/// </summary>
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internal string DataType
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{
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get
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{
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return (_dataType);
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}
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set
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{
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_dataType = value;
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}
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}
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#endregion
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#region ExcelCell Style
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string _styleName=null;
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/// <summary>
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/// Optional named style for the cell
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/// </summary>
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public string StyleName
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{
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get
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{
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if (_styleName == null)
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{
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foreach (var ns in _worksheet.Workbook.Styles.NamedStyles)
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{
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if (ns.StyleXfId == StyleID)
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{
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_styleName = ns.Name;
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break;
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}
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}
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if (_styleName == null)
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{
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_styleName = "Normal";
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}
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}
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return _styleName;
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}
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set
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{
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_styleID = _worksheet.Workbook.Styles.GetStyleIdFromName(value);
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_styleName = value;
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}
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}
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int _styleID=0;
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/// <summary>
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/// The style ID for the cell. Reference to the style collection
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/// </summary>
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public int StyleID
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{
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get
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{
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if(_styleID>0)
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return _styleID;
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else if (_worksheet._rows != null && _worksheet._rows.ContainsKey(ExcelRow.GetRowID(_worksheet.SheetID, Row)) && _worksheet.Row(Row).StyleID>0)
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{
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return _worksheet.Row(Row).StyleID;
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}
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else
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{
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ExcelColumn col = GetColumn(Column);
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if(col==null)
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{
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return 0;
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}
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else
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{
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return col.StyleID;
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}
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}
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}
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set
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{
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_styleID = value;
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}
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}
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private ExcelColumn GetColumn(int col)
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{
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foreach (ExcelColumn column in _worksheet._columns)
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{
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if (col >= column.ColumnMin && col <= column.ColumnMax)
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{
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return column;
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}
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}
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return null;
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}
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internal int GetCellStyleID()
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{
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return _styleID;
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}
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public ExcelStyle Style
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{
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get
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{
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return _worksheet.Workbook.Styles.GetStyleObject(StyleID, _worksheet.PositionID, CellAddress);
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}
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}
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internal void SetNewStyleName(string Name, int Id)
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{
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_styleID = Id;
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_styleName = Name;
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}
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#endregion
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#region ExcelCell Hyperlink
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/// <summary>
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/// The cells cell's Hyperlink
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/// </summary>
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public Uri Hyperlink
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{
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get
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{
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return (_hyperlink);
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}
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set
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{
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_hyperlink = value;
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if ((Value == null || Value.ToString() == ""))
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{
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if (value is ExcelHyperLink)
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{
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Value = (value as ExcelHyperLink).Display;
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}
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else
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{
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Value = _hyperlink.AbsoluteUri;
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}
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}
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}
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}
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internal string HyperLinkRId
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{
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get;
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set;
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}
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#endregion
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#region ExcelCell Formula
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/// <summary>
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/// The cell's formula.
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/// </summary>
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public string Formula
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{
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get
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{
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if (SharedFormulaID < 0)
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{
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if (_formula == "")
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{
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return (TranslateFromR1C1(_formulaR1C1, Row, Column));
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}
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else
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{
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return (_formula);
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}
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}
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else
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{
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if (_worksheet._sharedFormulas.ContainsKey(SharedFormulaID))
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{
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var f = _worksheet._sharedFormulas[SharedFormulaID];
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if (f.StartRow == Row && f.StartCol == Column)
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{
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return f.Formula;
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}
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else
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{
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return TranslateFromR1C1(TranslateToR1C1(f.Formula, f.StartRow, f.StartCol), Row, Column);
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}
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}
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else
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{
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throw(new Exception("Shared formula reference (SI) is invalid"));
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}
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}
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}
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set
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{
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_formula = value;
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_formulaR1C1 = "";
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_sharedFormulaID = int.MinValue;
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if (_formula!="" && !_worksheet._formulaCells.ContainsKey(CellID))
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{
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_worksheet._formulaCells.Add(this);
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}
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}
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}
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/// <summary>
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/// The cell's formula using R1C1 style.
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/// </summary>
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public string FormulaR1C1
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{
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get
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{
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if (SharedFormulaID < 0)
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{
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if (_formulaR1C1 == "")
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{
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return TranslateToR1C1(_formula, Row, Column);
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}
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else
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{
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return (_formulaR1C1);
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}
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}
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else
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{
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if (_worksheet._sharedFormulas.ContainsKey(SharedFormulaID))
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{
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var f = _worksheet._sharedFormulas[SharedFormulaID];
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return TranslateToR1C1(f.Formula, f.StartRow, f.StartCol);
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}
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else
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{
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throw (new Exception("Shared formula reference (SI) is invalid"));
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}
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}
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}
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set
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{
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// Example cell content for formulas
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// <f>RC1</f>
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// <f>SUM(RC1:RC3)</f>
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// <f>R[-1]C[-2]+R[-1]C[-1]</f>
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_formulaR1C1 = value;
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_formula = "";
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SharedFormulaID = int.MinValue;
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if (!_worksheet._formulaCells.ContainsKey(CellID))
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{
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_worksheet._formulaCells.Add(this);
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}
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}
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}
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internal int _sharedFormulaID;
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/// <summary>
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/// Id for the shared formula
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/// </summary>
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internal int SharedFormulaID {
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get
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{
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return _sharedFormulaID;
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}
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set
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{
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_sharedFormulaID = value;
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if(_worksheet._formulaCells.ContainsKey(CellID)) _worksheet._formulaCells.Delete(CellID);
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}
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}
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public bool IsArrayFormula { get; internal set; }
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#endregion
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/// <summary>
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/// Returns the cell's value as a string.
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/// </summary>
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/// <returns>The cell's value</returns>
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public override string ToString() { return Value.ToString(); }
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#endregion
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#region ExcelCell Private Methods
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#endregion
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#region IRangeID Members
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ulong IRangeID.RangeID
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{
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get
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{
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return GetCellID(_worksheet.SheetID, Row, Column);
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}
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set
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{
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_col = ((int)(value >> 15) & 0x3FF);
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_row = ((int)(value >> 29));
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}
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}
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#endregion
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internal ExcelCell Clone(ExcelWorksheet added)
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{
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return Clone(added, _row, _col);
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}
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internal ExcelCell Clone(ExcelWorksheet added, int row, int col)
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{
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ExcelCell newCell = new ExcelCell(added, row, col);
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if(_hyperlink!=null) newCell.Hyperlink = Hyperlink;
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newCell._formula = _formula;
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newCell._formulaR1C1 = _formulaR1C1;
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newCell.IsRichText = IsRichText;
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newCell.Merge = Merge;
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newCell._sharedFormulaID = _sharedFormulaID;
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newCell._styleName = _styleName;
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newCell._styleID = _styleID;
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newCell._value = _value;
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return newCell;
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}
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}
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}
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