FormatRange.cs :  » Game » Balder » Fireball » Syntax » C# / CSharp Open Source

using System;
using System.Windows;
using System.Windows.Media;

namespace Fireball.Syntax{
  /// <summary>
  /// Format ranges can be applied to a syntaxdocument to mark sections such as breakpoints or errors
  /// </summary>
  public class FormatRange
  {
    #region PUBLIC PROPERTY BACKCOLOR

    private Color _BackColor = new Color();

    public Color BackColor
    {
      get { return _BackColor; }
      set
      {
        _BackColor = value;
        Apply();
      }
    }

    #endregion

    #region PUBLIC PROPERTY FORECOLOR

    private Color _ForeColor = new Color();

    public Color ForeColor
    {
      get { return _ForeColor; }
      set
      {
        _ForeColor = value;
        Apply();
      }
    }

    #endregion

    #region PUBLIC PROPERTY WAVECOLOR

    private Color _WaveColor = new Color();

    public Color WaveColor
    {
      get { return _WaveColor; }
      set
      {
        _WaveColor = value;
        Apply();
      }
    }

    #endregion

    #region PUBLIC PROPERTY INFOTIP

    private string _InfoTip = "";

    public string InfoTip
    {
      get { return _InfoTip; }
      set
      {
        _InfoTip = value;
        Apply();
      }
    }

    #endregion

    #region PUBLIC PROPERTY BOUNDS

    private TextRange _Bounds;
    private TextRange _OldBounds = new TextRange();

    public TextRange Bounds
    {
      get { return _Bounds; }
      set { _Bounds = value; }
    }

    #endregion

    #region PUBLIC PROPERTY TAG

    private object _Tag;

    public object Tag
    {
      get { return _Tag; }
      set { _Tag = value; }
    }

    #endregion

    #region PUBLIC PROPERTY DOCUMENT

    private SyntaxDocument _Document;

    internal SyntaxDocument Document
    {
      get { return _Document; }
      set { _Document = value; }
    }

    #endregion

    public FormatRange()
    {
      this.Bounds = new TextRange();
      this.Bounds.Change += new EventHandler(this.BoundsChanged);
    }

    public FormatRange(TextRange Bounds, Color ForeColor, Color BackColor)
    {
      this.BackColor = BackColor;
      this.ForeColor = ForeColor;
      this.Bounds = Bounds;
      this.Bounds.Change += new EventHandler(this.BoundsChanged);
    }

    public FormatRange(TextRange Bounds, Color ForeColor, Color BackColor, Color WaveColor)
    {
      this.BackColor = BackColor;
      this.ForeColor = ForeColor;
      this.WaveColor = WaveColor;
      this.Bounds = Bounds;
      this.Bounds.Change += new EventHandler(this.BoundsChanged);
    }

    public FormatRange(TextRange Bounds, Color WaveColor)
    {
      this.WaveColor = WaveColor;
      this.Bounds = Bounds;
      this.Bounds.Change += new EventHandler(this.BoundsChanged);
    }

    public int Contains(TextPoint tp)
    {
      return this.Contains(tp.X, tp.Y);
    }

    public int Contains(int x, int y)
    {
      if (y < this.Bounds.FirstRow)
        return -1;

      if (y > this.Bounds.LastRow)
        return 1;

      if (y == this.Bounds.FirstRow && x < this.Bounds.FirstColumn)
        return -1;

      if (y == this.Bounds.LastRow && x > this.Bounds.LastColumn)
        return 1;

      return 0;
    }

    public int Contains2(TextPoint tp)
    {
      return this.Contains2(tp.X, tp.Y);
    }

    public int Contains2(int x, int y)
    {
      if (y < this.Bounds.FirstRow)
        return -1;

      if (y > this.Bounds.LastRow)
        return 1;

      if (y == this.Bounds.FirstRow && x <= this.Bounds.FirstColumn)
        return -1;

      if (y == this.Bounds.LastRow && x > this.Bounds.LastColumn)
        return 1;

      return 0;
    }

    public void Apply()
    {
      if (this.Document == null)
        return;

      ApplyOld();
      for (int i = this.Bounds.FirstRow; i <= this.Bounds.LastRow; i++)
      {
        if (i < 0 || i >= this.Document.Count)
          return;

        Row r = this.Document[i];

        if (r == null)
          return;

        if (r.RowState == RowState.AllParsed)
        {
          r.AddToParseQueue();
        }
      }
    }

    public void ApplyOld()
    {
      for (int i = this._OldBounds.FirstRow; i <= this._OldBounds.LastRow; i++)
      {
        if (i < 0 || i >= this.Document.Count)
          return;

        Row r = this.Document[i];

        if (r == null)
          return;

        if (r.RowState == RowState.AllParsed)
        {
          r.AddToParseQueue();
        }
      }
    }

    protected virtual void BoundsChanged(object s, EventArgs e)
    {
      Apply();
      _OldBounds.FirstColumn = _Bounds.FirstColumn;
      _OldBounds.LastColumn = _Bounds.LastColumn;
      _OldBounds.FirstRow = _Bounds.FirstRow;
      _OldBounds.LastRow = _Bounds.LastRow;
    }
  }
}