/*************************************************************************************

   DocX – DocX is the community edition of Xceed Words for .NET

   Copyright (C) 2009-2016 Xceed Software Inc.

   This program is provided to you under the terms of the Microsoft Public
   License (Ms-PL) as published at http://wpftoolkit.codeplex.com/license 

   For more features and fast professional support,
   pick up Xceed Words for .NET at https://xceed.com/xceed-words-for-net/

  ***********************************************************************************/

using System;
using System.Collections.Generic;
using System.Xml.Linq;

namespace Xceed.Words.NET
{
    /// <summary>
    /// This element contains the 2-D bar or column series on this chart.
    /// 21.2.2.16 barChart (Bar Charts)
    /// </summary>
    public class BarChart : Chart
    {
        #region Public Properties

        /// <summary>
        /// Specifies the possible directions for a bar chart.
        /// </summary>
        public BarDirection BarDirection
        {
            get
            {
                return XElementHelpers.GetValueToEnum<BarDirection>(
                    ChartXml.Element(XName.Get("barDir", DocX.c.NamespaceName)));
            }
            set
            {
                XElementHelpers.SetValueFromEnum<BarDirection>(
                    ChartXml.Element(XName.Get("barDir", DocX.c.NamespaceName)), value);
            }
        }

        /// <summary>
        /// Specifies the possible groupings for a bar chart.
        /// </summary>
        public BarGrouping BarGrouping
        {
            get
            {
                return XElementHelpers.GetValueToEnum<BarGrouping>(
                    ChartXml.Element(XName.Get("grouping", DocX.c.NamespaceName)));
            }
            set
            {
                XElementHelpers.SetValueFromEnum<BarGrouping>(
                    ChartXml.Element(XName.Get("grouping", DocX.c.NamespaceName)), value);
            }
        }

        /// <summary>
        /// Specifies that its contents contain a percentage between 0% and 500%.
        /// </summary>
        public Int32 GapWidth
        {
            get
            {
                return Convert.ToInt32(
                    ChartXml.Element(XName.Get("gapWidth", DocX.c.NamespaceName)).Attribute(XName.Get("val")).Value);
            }
            set
            {
                if ((value < 1) || (value > 500))
                    throw new ArgumentException("GapWidth lay between 0% and 500%!");
                ChartXml.Element(XName.Get("gapWidth", DocX.c.NamespaceName)).Attribute(XName.Get("val")).Value = value.ToString();
            }
        }

        public string Title
        {
            set
            {
                var t = new XElement(XE.A.CName("t"), value);
                var rpr = new XElement(XE.A.CName("rPr"), XE.A.CAttr("lang", "zh-CN"), XE.A.CAttr("altLang", "en-US"));
                var pPr = new XElement(XE.A.CName("pPr"),
                        XE.A.CAttr("defTabSz", "914400"),
                        XE.A.CElement("defRPr", new List<object>(XE.A.CAttrs("lang=zh-CN sz=1400 b=0 i=0 u=none strike=noStrike kern=1200 spc=0 baseline=0"))
                        { XE.A.CElement("solidFill",XE.A.CElement("schemeClr",XE.A.CAttr("val=tx1"),XE.A.CElement("lumMod","65000"),XE.A.CElement("lumOff","35000"))) }.ToArray())

                    );
                var bodyPr = XE.A.CElement("bodyPr", XE.A.CAttrs("rot=0 spcFirstLastPara=0 vertOverflow=ellipsis vert=horz wrap=square anchor=ctr anchorCtr=1"));
                var rich = XE.C.CElement("rich", bodyPr, XE.A.CElement("lstStyle"), XE.A.CElement("p", pPr, XE.A.CElement("r", rpr, t)));
                var title = XE.C.CElement("title", XE.C.CElement("tx", rich), XE.C.CElement("overlay", "0"));
                this.ChartRootXml.AddFirst(title);
            }
        }

        public bool ShowDataTable
        {
            set
            {
                var pPr = XE.A.CElement("pPr", XE.A.CAttr("rtl", "0"),
                                               XE.A.CElement("defRPr", new List<object>(XE.A.CAttrs("lang=zh-CN sz=1000 b=0 i=0 u=none strike=noStrike kern=1200 baseline=0")) { XE.A.CElement("solidFill", XE.A.CElement("schemeClr", "tx1")) }.ToArray())
                    );
                var bodyPr = XE.A.CElement("bodyPr", XE.A.CAttrs("rot=0 spcFirstLastPara=0 vertOverflow=ellipsis vert=horz wrap=square anchor=ctr anchorCtr=1").ToArray());
                var p = XE.A.CElement("p", pPr, XE.A.CElement("endParaRPr", "zh-CN", "lang"));
                var txPr = XE.C.CElement("txPr", bodyPr, XE.A.CElement("lstStyle"), p);
                var table = XE.C.CElement("dTable",XE.C.CElement("showHorzBorder","1"),
                                                   XE.C.CElement("showVertBorder", "1"),
                                                   XE.C.CElement("showOutline", "1"),
                                                   XE.C.CElement("showKeys","1"),
                                                   txPr
                    );
                this.ChartRootXml.Element(XE.C.CName("plotArea")).LastNode.AddAfterSelf(table);
            }
        }

        #endregion

        #region Overrides

        protected override XElement CreateChartXml()
        {
            return XElement.Parse(
                @"<c:barChart xmlns:c=""http://schemas.openxmlformats.org/drawingml/2006/chart"">
                    <c:barDir val=""col""/>
                    <c:grouping val=""clustered""/>                    
                    <c:gapWidth val=""150""/>
                  </c:barChart>");
        }

        #endregion

    }

    /// <summary>
    /// Specifies the possible directions for a bar chart.
    /// 21.2.3.3 ST_BarDir (Bar Direction)
    /// </summary>
    public enum BarDirection
    {
        [XmlName("col")]
        Column,
        [XmlName("bar")]
        Bar
    }

    /// <summary>
    /// Specifies the possible groupings for a bar chart.
    /// 21.2.3.4 ST_BarGrouping (Bar Grouping)
    /// </summary>
    public enum BarGrouping
    {
        [XmlName("clustered")]
        Clustered,
        [XmlName("percentStacked")]
        PercentStacked,
        [XmlName("stacked")]
        Stacked,
        [XmlName("standard")]
        Standard
    }
}