/*******************************************************************************
* 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 Added 30-AUG-2010
* Jan Källman License changed GPL-->LGPL 2011-12-16
*******************************************************************************/
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using System.Xml;
namespace OfficeOpenXml.Table
{
///
/// A collection of table columns
///
public class ExcelTableColumnCollection : IEnumerable
{
List _cols = new List();
Dictionary _colNames = new Dictionary(StringComparer.InvariantCultureIgnoreCase);
public ExcelTableColumnCollection(ExcelTable table)
{
Table = table;
foreach(XmlNode node in table.TableXml.SelectNodes("//d:table/d:tableColumns/d:tableColumn",table.NameSpaceManager))
{
_cols.Add(new ExcelTableColumn(table.NameSpaceManager, node, table, _cols.Count));
_colNames.Add(_cols[_cols.Count - 1].Name, _cols.Count - 1);
}
}
///
/// A reference to the table object
///
public ExcelTable Table
{
get;
private set;
}
///
/// Number of items in the collection
///
public int Count
{
get
{
return _cols.Count;
}
}
///
/// The column Index. Base 0.
///
///
///
public ExcelTableColumn this[int Index]
{
get
{
if (Index < 0 || Index >= _cols.Count)
{
throw (new ArgumentOutOfRangeException("Column index out of range"));
}
return _cols[Index] as ExcelTableColumn;
}
}
///
/// Indexer
///
/// The name of the table
/// The table column. Null if the table name is not found in the collection
public ExcelTableColumn this[string Name]
{
get
{
if (_colNames.ContainsKey(Name))
{
return _cols[_colNames[Name]];
}
else
{
return null;
}
}
}
IEnumerator IEnumerable.GetEnumerator()
{
return _cols.GetEnumerator();
}
System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
{
return _cols.GetEnumerator();
}
internal string GetUniqueName(string name)
{
if (_colNames.ContainsKey(name))
{
var newName = name;
var i = 2;
do
{
newName = name+(i++).ToString(CultureInfo.InvariantCulture);
}
while (_colNames.ContainsKey(newName));
return newName;
}
return name;
}
}
}