/*******************************************************************************
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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 2009-10-01
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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.Xml;
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namespace HH.WMS.Utils.EPPlus.Drawing.Chart
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{
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/// <summary>
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/// Enumerates charttypes
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/// </summary>
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public class ExcelChartCollection : IEnumerable<ExcelChart>
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{
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List<ExcelChart> _list = new List<ExcelChart>();
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ExcelChart _topChart;
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internal ExcelChartCollection(ExcelChart chart)
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{
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_topChart = chart;
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_list.Add(chart);
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}
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internal void Add(ExcelChart chart)
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{
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_list.Add(chart);
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}
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/// <summary>
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/// Add a new charttype to the chart
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/// </summary>
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/// <param name="chartType">The type of the new chart</param>
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/// <returns></returns>
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public ExcelChart Add(eChartType chartType)
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{
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if (_topChart.PivotTableSource != null)
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{
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throw (new InvalidOperationException("Can not add other charttypes to a pivot chart"));
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}
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else if (ExcelChart.IsType3D(chartType) || _list[0].IsType3D())
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{
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throw(new InvalidOperationException("3D charts can not be combined with other charttypes"));
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}
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var prependingChartNode = _list[_list.Count - 1].TopNode;
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ExcelChart chart = ExcelChart.GetNewChart(_topChart.WorkSheet.Drawings, _topChart.TopNode, chartType, _topChart, null);
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_list.Add(chart);
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return chart;
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}
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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 _list.Count;
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}
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}
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IEnumerator<ExcelChart> IEnumerable<ExcelChart>.GetEnumerator()
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{
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return _list.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 _list.GetEnumerator();
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}
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/// <summary>
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/// Returns a chart at the specific position.
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/// </summary>
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/// <param name="PositionID">The position of the chart. 0-base</param>
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/// <returns></returns>
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public ExcelChart this[int PositionID]
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{
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get
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{
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return (_list[PositionID]);
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}
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}
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}
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}
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