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

// This is free software licensed under the NUnit license. You may

// obtain a copy of the license at http://nunit.org

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



using System;

using System.Collections.Generic;

using System.Text;

using System.Drawing;

using NUnit.UiException.CodeFormatters;



namespace NUnit.UiException.Controls

{

    /// <summary>

    /// Encapsulates basic colors settings to format a text according a language.

    /// </summary>

    public class CodeRenderingContext

    {

        private static readonly int INDEX_CODE = 0;

        private static readonly int INDEX_KEYWORD = 1;

        private static readonly int INDEX_COMMENT = 2;

        private static readonly int INDEX_STRING = 3;

        private static readonly int INDEX_BACKGROUND = 4;

        private static readonly int INDEX_CURRBACK = 5;

        private static readonly int INDEX_CURRFORE = 6;



        private Graphics _graphics;

        private Font _font;



        private int _currentLine;



        private ColorMaterial[] _colors;



        public CodeRenderingContext()

        {

            _colors = new ColorMaterial[] 

            {

                new ColorMaterial(Color.Black),        // code color

                new ColorMaterial(Color.Blue),         // keyword color

                new ColorMaterial(Color.Green),        // comment color

                new ColorMaterial(Color.Red),          // string color



                new ColorMaterial(Color.White),        // background

                new ColorMaterial(Color.Red),          // current line back color

                new ColorMaterial(Color.White),        // current line fore color                

            };



            return;

        }



        public Graphics Graphics {

            get { return (_graphics); }

            set { _graphics = value; }

        }       



        public Font Font {

            get { return (_font); }

            set { _font = value; }

        }



        public int CurrentLine {

            get { return (_currentLine); }

            set { _currentLine = value; }

        }



        public Color BackgroundColor {

            get { return (_colors[INDEX_BACKGROUND].Color); }

            set

            {

                _colors[INDEX_BACKGROUND].Dispose();

                _colors[INDEX_BACKGROUND] = new ColorMaterial(value);

            }

        }



        public Color CurrentLineBackColor {

            get { return (_colors[INDEX_CURRBACK].Color); }

            set {

                _colors[INDEX_CURRBACK].Dispose();

                _colors[INDEX_CURRBACK] = new ColorMaterial(value);

            }

        }



        public Color CurrentLineForeColor {

            get { return (_colors[INDEX_CURRFORE].Color); }

            set {

                _colors[INDEX_CURRFORE].Dispose();

                _colors[INDEX_CURRFORE] = new ColorMaterial(value);

            }

        }



        public Color KeywordColor {

            get { return (_colors[INDEX_KEYWORD].Color); }

            set {

                _colors[INDEX_KEYWORD].Dispose();

                _colors[INDEX_KEYWORD] = new ColorMaterial(value);

            }

        }



        public Color CommentColor {

            get { return (_colors[INDEX_COMMENT].Color); }

            set {

                _colors[INDEX_COMMENT].Dispose();

                _colors[INDEX_COMMENT] = new ColorMaterial(value);

            }

        }



        public Color CodeColor {

            get { return (_colors[INDEX_CODE].Color); }

            set {

                _colors[INDEX_CODE].Dispose();

                _colors[INDEX_CODE] = new ColorMaterial(value);

            }

        }



        public Color StringColor {

            get { return (_colors[INDEX_STRING].Color); }

            set {

                _colors[INDEX_STRING].Dispose();

                _colors[INDEX_STRING] = new ColorMaterial(value);

            }

        }



        public Color this[ClassificationTag tag]

        {

            get

            {

                int idx = (int)tag;

                return (_colors[idx].Color);

            }

        }    



        public Brush GetBrush(ClassificationTag tag) {

            return (_colors[(int)tag].Brush);

        }

      

        public Pen GetPen(ClassificationTag tag) {

            return (_colors[(int)tag].Pen);

        }



        #region Brushes



        public Brush BackgroundBrush {

            get { return (_colors[INDEX_BACKGROUND].Brush); }

        }



        public Brush CurrentLineBackBrush {

            get { return (_colors[INDEX_CURRBACK].Brush); }

        }



        public Brush CurrentLineForeBrush {

            get { return (_colors[INDEX_CURRFORE].Brush); }

        }



        public Brush KeywordBrush {

            get { return (_colors[INDEX_KEYWORD].Brush); }

        }



        public Brush CommentBrush {

            get { return (_colors[INDEX_COMMENT].Brush); }

        }



        public Brush CodeBrush {

            get { return (_colors[INDEX_CODE].Brush); }

        }



        public Brush StringBrush {

            get { return (_colors[INDEX_STRING].Brush); }

        }



        #endregion



        #region Pens



        public Pen BackgroundPen {

            get { return (_colors[INDEX_BACKGROUND].Pen); }

        }



        public Pen CurrentLineBackPen {

            get { return (_colors[INDEX_CURRBACK].Pen); }

        }



        public Pen CurrentLineForePen {

            get { return (_colors[INDEX_CURRFORE].Pen); }

        }



        public Pen KeywordPen {

            get { return (_colors[INDEX_KEYWORD].Pen); }

        }



        public Pen CommentPen {

            get { return (_colors[INDEX_COMMENT].Pen); }

        }



        public Pen CodePen {

            get { return (_colors[INDEX_CODE].Pen); }

        }



        public Pen StringPen {

            get { return (_colors[INDEX_STRING].Pen); }

        }



        #endregion



        class ColorMaterial

        {

            public Color Color;

            public Brush Brush;

            public Pen Pen;



            public ColorMaterial(Color color)

            {

                this.Color = color;

                this.Brush = new SolidBrush(color);

                this.Pen = new Pen(color);



                return;

            }



            public void Dispose()

            {

                this.Brush.Dispose();

                this.Pen.Dispose();

            }

        }

    }

}