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

using System;
using System.Windows.Media;
//using Puzzle.Collections;
using System.Collections;

namespace Fireball.Syntax{
    public class FormatRangeCollection : BaseCollection
  {
    #region PUBLIC PROPERTY DOCUMENT

    private SyntaxDocument _Document;

    internal SyntaxDocument Document
    {
      get { return _Document; }
    }

    #endregion

    public FormatRange this[int index]
    {
      get { return this.List[index] as FormatRange; }
    }

    public FormatRangeCollection(SyntaxDocument document)
    {
      _Document = document;
    }

    public int Add(FormatRange item)
    {
      item.Document = this.Document;
      item.Apply();
      return this.List.Add(item);
    }

    public void Remove(FormatRange item)
    {
      this.List.Remove(item);
    }

    public bool RowContainsFormats(Row row)
    {
      foreach (FormatRange frang in this)
      {
        if (frang.Bounds.FirstRow <= row.Index && frang.Bounds.LastRow >= row.Index)
          return true;
      }

      return false;
    }

    public FormatRange MergeFormats(int x, int y)
    {
      FormatRange fr = null;
      foreach (FormatRange frang in this)
      {
        if (frang.Contains(x, y) != 0)
          continue;

        if (frang.BackColor.IsEmpty() == false)
        {
          if (fr == null)
            fr = new FormatRange();

          fr.BackColor = frang.BackColor;
        }

        if (frang.ForeColor.IsEmpty() == false )
        {
          if (fr == null)
            fr = new FormatRange();

          fr.ForeColor = frang.ForeColor;
        }

        if (frang.WaveColor.IsEmpty() == false)
        {
          if (fr == null)
            fr = new FormatRange();

          fr.WaveColor = frang.WaveColor;
        }

        if (frang.InfoTip.Length > 0)
        {
          if (fr == null)
            fr = new FormatRange();

          if (fr.InfoTip.Length > 0)
          {
            fr.InfoTip += Environment.NewLine + Environment.NewLine + frang.InfoTip;
          }
          else
          {
            fr.InfoTip = frang.InfoTip;
          }
        }
      }

      return fr;
    }


    public void Expand(int xPos, int yPos, string Text)
    {
      if (this.RowContainsFormats(this.Document[yPos]))
      {
        string tmp = Text.Replace(Environment.NewLine, "\n");
        int l = tmp.Length;


        string[] tmplines = tmp.Split('\n');

        foreach (FormatRange fr in this)
        {
          int res = fr.Contains2(xPos, yPos);
          if (res == 0)
          {
            fr.Bounds.LastRow += tmplines.Length - 1;
            if (fr.Bounds.LastRow == yPos + tmplines.Length - 1)
              fr.Bounds.LastColumn += tmplines[tmplines.Length - 1].Length;
          }
          if (res == -1)
          {
            fr.Bounds.FirstRow += tmplines.Length - 1;
            fr.Bounds.LastRow += tmplines.Length - 1;
            if (fr.Bounds.FirstRow == yPos + tmplines.Length - 1)
            {
              if (tmplines.Length > 1)
                fr.Bounds.FirstColumn -= xPos;

              fr.Bounds.FirstColumn += tmplines[tmplines.Length - 1].Length;
            }
          }
          if (res == 1)
          {
            //ignore
          }

        }
      }
    }

    public void Shrink(TextRange Range)
    {
      string Text = this.Document.GetRange(Range);
      string tmp = Text.Replace(Environment.NewLine, "\n");
      int l = tmp.Length;
      string[] tmplines = tmp.Split('\n');

      foreach (FormatRange fr in this)
      {
        int res = fr.Contains(Range.FirstColumn, Range.FirstRow);
        int res2 = fr.Contains(Range.LastColumn, Range.LastRow);

        int rows = Range.LastRow - Range.FirstRow;
        if (res == -1 && res2 == -1)
        {
          fr.Bounds.FirstRow -= rows;
          fr.Bounds.LastRow -= rows;
          if (fr.Bounds.FirstRow == Range.FirstRow + tmplines.Length - 1)
          {
            if (tmplines.Length > 1)
              fr.Bounds.FirstColumn -= Range.FirstColumn;

            fr.Bounds.FirstColumn -= tmplines[tmplines.Length - 1].Length;
          }
          else if (fr.Bounds.FirstRow == Range.FirstRow)
          {
            if (tmplines.Length > 1)
              fr.Bounds.FirstColumn += Range.FirstColumn;

            fr.Bounds.FirstColumn -= tmplines[tmplines.Length - 1].Length;
          }
        }
        if (res == -1 && res2 == 0)
        {
          fr.Bounds.FirstRow -= rows;
          fr.Bounds.LastRow -= rows;
          fr.Bounds.FirstColumn = Range.FirstColumn;
        }
        if (res == 0 && res2 == 0)
        {
          fr.Bounds.LastRow -= rows;
          if (fr.Bounds.LastRow == Range.FirstRow)
          {
            if (rows == 0)
              fr.Bounds.LastColumn -= tmplines[tmplines.Length - 1].Length;
            else
              fr.Bounds.LastColumn = Range.FirstColumn + fr.Bounds.LastColumn;
          }
        }
        if (res == 0 && res2 == 1)
        {
          //delete end of range
          fr.Bounds.LastColumn = Range.FirstColumn - 1;
          fr.Bounds.LastRow = Range.FirstRow;
        }

        if (res == -1 && res2 == 1)
        {
          //delete this range
          fr.Bounds.SetBounds(-1, -1, -1, -1);
        }


        if (res == 1)
        {
          //ignore
        }
      }
    }
  }
}