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

using System;
using System.Windows.Media;
using System.Windows;
using Fireball.Syntax;
namespace Fireball.Syntax.SyntaxDocumentExporters{
  /// <summary>
  /// Html exporter class
  /// </summary>
  public class HTMLExporter
  {
    private System.Text.StringBuilder sb=null;


/// <summary>
/// 
/// </summary>
    public HTMLExporter()
    {
    }

    /// <summary>
    /// Exports the content of a SyntaxDocument to a HTML formatted string
    /// </summary>
    /// <param name="doc">SyntaxDocument object to export from</param>
    /// <param name="ImagePath">File path tho the images to use in the HTML string</param>
    /// <returns></returns>
    public string Export(SyntaxDocument doc,string ImagePath)
    {
      return this.Export (doc,Colors.Transparent, ImagePath,"");
    }


    /// <summary>
    /// Exports the content of a SyntaxDocument to a HTML formatted string
    /// </summary>
    /// <param name="doc">SyntaxDocument object to export from</param>
    /// <param name="BGColor">HTML color string to use as background color</param>
    /// <param name="ImagePath">File path tho the images to use in the HTML string</param>
    /// <param name="Style">HTML style string that should be applied to the output</param>
    /// <returns></returns>
    public string Export(SyntaxDocument doc,Color BGColor,string ImagePath,string Style)
    {
      
      sb=new System.Text.StringBuilder ();
      doc.ParseAll (true);
      int i=0;
      
      string guid=DateTime.Now.Ticks.ToString ();
      
      //style=\"font-family:courier new;font-size:13px;\"
      if (BGColor.A ==0)
        Out("<table  ><tr><td nowrap><div style=\""+ Style +"\">");
      else
        Out("<table  style=\"background-color:" + GetHTMLColor (BGColor) + ";" + Style + "\"><tr><td nowrap><div>");
      foreach (Row r in doc)
      {
        i++;
        if (r.CanFold)
        {
          RenderCollapsed(r.VirtualCollapsedRow,r,i,ImagePath,guid);
          Out("<div style=\"display:block;\" id=\"open" + guid+"_"+i.ToString () + "\">");

          string img="minus.gif";
          try
          {
            if (r.Expansion_StartSegment.Parent.Parent  == null)
              img = "minusNoTopLine.gif";
          }
          catch
          {
          }
          Out ("<img src=\"" + ImagePath + img + "\" align=top onclick=\"open" + guid+"_"+i.ToString () +".style.display='none'; closed" + guid+"_"+i.ToString () +".style.display='block'; \">");
        }
        else
        {
          if (r.CanFoldEndPart)
          {
            Out ("<img src=\"" + ImagePath + "L.gif\"  align=top>");
          }
          else
          {
            if (r.HasExpansionLine)
            {
              Out ("<img src=\"" + ImagePath + "I.gif\"  align=top>");
            }
            else
            {
              Out ("<img src=\"" + ImagePath + "clear.gif\"  align=top>");
            }
          }
        }
        foreach (Word w in r)
        {
          write (w.Text,w.Style);
        }
        if (r.CanFoldEndPart)
          Out("</div>\n");
        else
          Out("<br>\n");        
      }
      Out("</div></td></tr></table>");

      return this.sb.ToString ();
    }


    private void RenderCollapsed(Row r,Row TrueRow,int i,string ImagePath,string guid)
    {
      Out("<div style=\"display:none;\" id=\"closed" + guid+"_"+i.ToString () + "\">");
      string img= "plus.gif";      
      try
      {
        if (TrueRow.Expansion_StartSegment.Parent.Parent  == null)
          img = "PlusNoLines.gif";
      }
      catch
      {
        
      }

    
      Out ("<img src=\"" + ImagePath + img +"\" align=top onclick=\"open" + guid+"_"+i.ToString () +".style.display='block'; closed" + guid+"_"+i.ToString () +".style.display='none'; \">");

      foreach (Word w in r)
      {
        write (w.Text,w.Style);
      }

      Out("</div>");  

    }
    
    private void write(string text,TextStyle s)
    {
      if (s!=null)
      {
        if (s.Bold)
          Out("<b>");
        if (s.Italic)
          Out("<i>");
        if (s.Transparent)
          Out("<span style=\"color:" + GetHTMLColor(s.ForeColor) + "\">");
        else
          Out("<span style=\"color:" + GetHTMLColor(s.ForeColor) + ";background-color:" + GetHTMLColor(s.BackColor) + ";\">");
      }

      text=text.Replace ("&","&amp;");
      text=text.Replace ("<","&lt;");
      text=text.Replace (">","&gt;");
      text=text.Replace (" ","&nbsp;");
      text=text.Replace ("\t","&nbsp;&nbsp;&nbsp;&nbsp;");
      Out (text);

      if (s!=null)
      {        
        Out("</span>");

        if (s.Italic)
          Out("</i>");
        if (s.Bold)
          Out("</b>");
      }
    }

    private string GetHTMLColor(Color c)
    {
      return string.Format ("#{0}{1}{2}",c.R.ToString ("x2"),c.G.ToString ("x2"),c.B.ToString ("x2"));
    }

    private void Out(string text)
    {
      sb.Append (text);
    }
  }
}