#region MigraDoc - Creating Documents on the Fly
//
// Authors:
//   Klaus Potzesny (mailto:Klaus.Potzesny@pdfsharp.com)
//
// Copyright (c) 2001-2008 empira Software GmbH, Cologne (Germany)
//
// http://www.pdfsharp.com
// http://www.migradoc.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE.
#endregion

using System;
using MigraDoc.DocumentObjectModel;
using MigraDoc.DocumentObjectModel.IO;

namespace MigraDoc.RtfRendering
{
  /// <summary>
  /// Class to render a Borders object to RTF.
  /// </summary>
  internal class BordersRenderer : BorderRendererBase
  {
    internal BordersRenderer(DocumentObject domObj, RtfDocumentRenderer docRenderer)
      : base(domObj, docRenderer)
    {
      this.borders = domObj as Borders;
    }

    /// <summary>
    /// Renders a Borders object to RTF.
    /// </summary>
    internal override void Render()
    {
      useEffectiveValue = true;

      object visible = GetValueAsIntended("Visible");
      object borderStyle = GetValueAsIntended("Style");
      object borderColor = GetValueAsIntended("Color");
      bool isCellBorders = (this.parentCell != null);
      bool isFormatBorders = (this.parentFormat != null);

      object obj = null;
      if (this.leaveAwayTop)
        this.rtfWriter.WriteControl(GetBorderControl(BorderType.Top));
      else
      {
        obj = GetValueAsIntended("Top");
        if (obj != null)
        {
          CreateBorderRenderer((Border)obj, BorderType.Top).Render();
        }
        else
          RenderBorder(GetBorderControl(BorderType.Top));
      }
      if (!isCellBorders)
        Translate("DistanceFromTop", "brsp");
      //REVIEW: Andere Renderer verfahren glaube ich genauso, da ja sonst doppelt gemoppelt

      if (this.leaveAwayLeft)
        this.rtfWriter.WriteControl(GetBorderControl(BorderType.Top));
      else
      {
        obj = GetValueAsIntended("Left");
        if (obj != null)
          CreateBorderRenderer((Border)obj, BorderType.Left).Render();
        else
          RenderBorder(GetBorderControl(BorderType.Left));
      }
      if (!isCellBorders)
        Translate("DistanceFromLeft", "brsp");

      if (this.leaveAwayRight)
        this.rtfWriter.WriteControl(GetBorderControl(BorderType.Right));
      else
      {
        obj = GetValueAsIntended("Right");
        if (obj != null)
          CreateBorderRenderer((Border)obj, BorderType.Right).Render();
        else
          RenderBorder(GetBorderControl(BorderType.Right));
      }
      if (!isCellBorders)
        Translate("DistanceFromRight", "brsp");

      if (this.leaveAwayBottom)
        this.rtfWriter.WriteControl(GetBorderControl(BorderType.Bottom));
      else
      {
        obj = GetValueAsIntended("Bottom");
        if (obj != null)
          CreateBorderRenderer((Border)obj, BorderType.Bottom).Render();
        else
          RenderBorder(GetBorderControl(BorderType.Bottom));
      }
      //DistanceFrom wird in allen Renderern für Tabellenzellen ignoriert.
      //Führt auch bei Word sonst zu Chaos. (Padding ist der Ersatz)
      if (!isCellBorders)
        Translate("DistanceFromBottom", "brsp");

      if (isCellBorders)
      {
        obj = GetValueAsIntended("DiagonalDown");
        if (obj != null)
          CreateBorderRenderer((Border)obj, BorderType.DiagonalDown).Render();

        obj = GetValueAsIntended("DiagonalUp");
        if (obj != null)
          CreateBorderRenderer((Border)obj, BorderType.DiagonalUp).Render();
      }
    }

    BorderRenderer CreateBorderRenderer(Border border, BorderType borderType)
    {
      BorderRenderer brdrRndrr = new BorderRenderer(border, this.docRenderer);
      brdrRndrr.ParentCell = this.parentCell;
      brdrRndrr.ParentFormat = this.parentFormat;
      brdrRndrr.BorderType = borderType;
      return brdrRndrr;
    }

    Borders borders;

    internal bool leaveAwayTop = false;
    internal bool leaveAwayLeft = false;
    internal bool leaveAwayRight = false;
    internal bool leaveAwayBottom = false;
  }
}
