#region MigraDoc - Creating Documents on the Fly
//
// Authors:
//   David Stephensen
//
// Copyright (c) 2001-2017 empira Software GmbH, Cologne Area (Germany)
//
// http://www.pdfsharp.com
// http://www.migradoc.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE.
#endregion

using PdfSharp.Charting;

namespace MigraDoc.Rendering.ChartMapper
{
    public class LegendMapper
    {
        private LegendMapper()
        { }

        void MapObject(Chart chart, DocumentObjectModel.Shapes.Charts.Chart domChart)
        {
            DocumentObjectModel.Shapes.Charts.Legend domLegend = null;
            DocumentObjectModel.Shapes.Charts.TextArea textArea = null;

            foreach (DocumentObjectModel.DocumentObject domObj in domChart.BottomArea.Elements)
            {
                if (domObj is DocumentObjectModel.Shapes.Charts.Legend)
                {
                    chart.Legend.Docking = DockingType.Bottom;
                    domLegend = domObj as DocumentObjectModel.Shapes.Charts.Legend;
                    textArea = domChart.BottomArea;
                }
            }

            foreach (DocumentObjectModel.DocumentObject domObj in domChart.RightArea.Elements)
            {
                if (domObj is DocumentObjectModel.Shapes.Charts.Legend)
                {
                    chart.Legend.Docking = DockingType.Right;
                    domLegend = domObj as DocumentObjectModel.Shapes.Charts.Legend;
                    textArea = domChart.RightArea;
                }
            }

            foreach (DocumentObjectModel.DocumentObject domObj in domChart.LeftArea.Elements)
            {
                if (domObj is DocumentObjectModel.Shapes.Charts.Legend)
                {
                    chart.Legend.Docking = DockingType.Left;
                    domLegend = domObj as DocumentObjectModel.Shapes.Charts.Legend;
                    textArea = domChart.LeftArea;
                }
            }

            foreach (DocumentObjectModel.DocumentObject domObj in domChart.TopArea.Elements)
            {
                if (domObj is DocumentObjectModel.Shapes.Charts.Legend)
                {
                    chart.Legend.Docking = DockingType.Top;
                    domLegend = domObj as DocumentObjectModel.Shapes.Charts.Legend;
                    textArea = domChart.TopArea;
                }
            }

            foreach (DocumentObjectModel.DocumentObject domObj in domChart.HeaderArea.Elements)
            {
                if (domObj is DocumentObjectModel.Shapes.Charts.Legend)
                {
                    chart.Legend.Docking = DockingType.Top;
                    domLegend = domObj as DocumentObjectModel.Shapes.Charts.Legend;
                    textArea = domChart.HeaderArea;
                }
            }

            foreach (DocumentObjectModel.DocumentObject domObj in domChart.FooterArea.Elements)
            {
                if (domObj is DocumentObjectModel.Shapes.Charts.Legend)
                {
                    chart.Legend.Docking = DockingType.Bottom;
                    domLegend = domObj as DocumentObjectModel.Shapes.Charts.Legend;
                    textArea = domChart.FooterArea;
                }
            }

            if (domLegend != null)
            {
                if (!domLegend.IsNull("LineFormat"))
                    LineFormatMapper.Map(chart.Legend.LineFormat, domLegend.LineFormat);
                if (!textArea.IsNull("Style"))
                    FontMapper.Map(chart.Legend.Font, textArea.Document, textArea.Style);
                if (!domLegend.IsNull("Format.Font"))
                    FontMapper.Map(chart.Legend.Font, domLegend.Format.Font);
            }
        }

        public static void Map(Chart chart, DocumentObjectModel.Shapes.Charts.Chart domChart)
        {
            LegendMapper mapper = new LegendMapper();
            mapper.MapObject(chart, domChart);
        }
    }
}