/*******************************************************************************
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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 30-AUG-2010
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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.IO.Packaging;
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using System.Xml;
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namespace HH.WMS.Utils.EPPlus.Table
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{
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/// <summary>
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/// A collection of table objects
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/// </summary>
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public class ExcelTableCollection : IEnumerable<ExcelTable>
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{
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List<ExcelTable> _tables = new List<ExcelTable>();
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internal Dictionary<string, int> _tableNames = new Dictionary<string, int>();
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ExcelWorksheet _ws;
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internal ExcelTableCollection(ExcelWorksheet ws)
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{
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Package pck = ws._package.Package;
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_ws = ws;
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foreach(XmlElement node in ws.WorksheetXml.SelectNodes("//d:tableParts/d:tablePart", ws.NameSpaceManager))
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{
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var rel = ws.Part.GetRelationship(node.GetAttribute("id",ExcelPackage.schemaRelationships));
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var tbl = new ExcelTable(rel, ws);
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if (tbl.Id + 1 > _ws.Workbook._nextTableID) _ws.Workbook._nextTableID = tbl.Id + 1;
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_tableNames.Add(tbl.Name, _tables.Count);
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_tables.Add(tbl);
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}
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}
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private ExcelTable Add(ExcelTable tbl)
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{
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_tables.Add(tbl);
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_tableNames.Add(tbl.Name, _tables.Count - 1);
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if (tbl.Id >= _ws.Workbook._nextTableID)
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{
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_ws.Workbook._nextTableID = tbl.Id + 1;
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}
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return tbl;
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}
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/// <summary>
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/// Create a table on the supplied range
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/// </summary>
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/// <param name="Range">The range address including header and total row</param>
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/// <param name="Name">The name of the table. Must be unique </param>
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/// <returns>The table object</returns>
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public ExcelTable Add(ExcelAddressBase Range, string Name)
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{
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if (string.IsNullOrEmpty(Name))
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{
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Name = GetNewTableName();
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}
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else if (_ws.Workbook.ExistsTableName(Name))
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{
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throw (new ArgumentException("Tablename is not unique"));
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}
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foreach (var t in _tables)
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{
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if (t.Address.Collide(Range) != ExcelAddressBase.eAddressCollition.No)
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{
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throw (new ArgumentException(string.Format("Table range collides with table {0}", t.Name)));
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}
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}
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return Add(new ExcelTable(_ws, Range, Name, _ws.Workbook._nextTableID));
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}
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internal string GetNewTableName()
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{
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string name = "Table1";
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int i = 2;
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while (_ws.Workbook.ExistsTableName(name))
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{
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name = string.Format("Table{0}", i++);
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}
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return name;
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}
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/// <summary>
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/// Number of items in the collection
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/// </summary>
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public int Count
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{
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get
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{
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return _tables.Count;
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}
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}
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/// <summary>
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/// Get the table object from a range.
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/// </summary>
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/// <param name="Range">The range</param>
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/// <returns>The table. Null if no range matches</returns>
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public ExcelTable GetFromRange(ExcelRangeBase Range)
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{
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foreach (var tbl in Range.Worksheet.Tables)
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{
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if (tbl.Address._address == Range._address)
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{
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return tbl;
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}
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}
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return null;
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}
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/// <summary>
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/// The table Index. Base 0.
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/// </summary>
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/// <param name="Index"></param>
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/// <returns></returns>
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public ExcelTable this[int Index]
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{
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get
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{
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if (Index < 0 || Index >= _tables.Count)
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{
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throw (new ArgumentOutOfRangeException("Table index out of range"));
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}
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return _tables[Index];
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}
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}
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/// <summary>
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/// Indexer
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/// </summary>
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/// <param name="Name">The name of the table</param>
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/// <returns>The table. Null if the table name is not found in the collection</returns>
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public ExcelTable this[string Name]
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{
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get
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{
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if (_tableNames.ContainsKey(Name))
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{
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return _tables[_tableNames[Name]];
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}
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else
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{
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return null;
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}
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}
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}
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public IEnumerator<ExcelTable> GetEnumerator()
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{
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return _tables.GetEnumerator();
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}
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System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
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{
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return _tables.GetEnumerator();
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}
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}
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}
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