annotationElement.cs :  » PDF » SharpPDF » sharpPDF » Elements » C# / CSharp Open Source

//*****************************************************************
//******************Inserted by smeyer82 (2004)********************
//*****************************************************************

using System;
using System.Collections;
using System.Text;

using sharpPDF;
using sharpPDF.Enumerators;

namespace sharpPDF.Elements{

  /// <summary>
  /// Creates an annotation element.
  /// </summary>
  public sealed class annotationElement : pdfElement
  {
    private string _content;
    private Enumerators.predefinedAnnotationStyle _style;
    private ArrayList _styleNames = new ArrayList();
    private bool _open = false;

    /// <summary>
    /// Initializes the array of style names
    /// </summary>
    internal void initializeStyleNames()
    {
      _styleNames.Insert((int)predefinedAnnotationStyle.csNone, "Note");
      _styleNames.Insert((int)predefinedAnnotationStyle.csComment, "Comment");
      _styleNames.Insert((int)predefinedAnnotationStyle.csKey, "Key");
      _styleNames.Insert((int)predefinedAnnotationStyle.csNote, "Note");
      _styleNames.Insert((int)predefinedAnnotationStyle.csHelp, "Help");
      _styleNames.Insert((int)predefinedAnnotationStyle.csNewParagraph, "NewParagraph");
      _styleNames.Insert((int)predefinedAnnotationStyle.csParagraph, "Paragraph");
      _styleNames.Insert((int)predefinedAnnotationStyle.csInsert, "Insert");
    }

    /// <summary>
    /// Class's constructor
    /// </summary>
    /// <param name="newContent">Content of the annotation element</param>
    /// <param name="newCoordX">X position on page</param>
    /// <param name="newCoordY">Y position on page</param>
    /// <param name="newColor">The color of the annotation element</param>
    /// <param name="newStyle">The style of the annotation element</param>
    public annotationElement(string newContent, int newCoordX, int newCoordY, pdfColor newColor, Enumerators.predefinedAnnotationStyle newStyle):this(newContent, newCoordX, newCoordY, newColor, newStyle, false)
    {
    }

    /// <summary>
    /// Class's constructor
    /// </summary>
    /// <param name="newContent">Content of the annotation element</param>
    /// <param name="newCoordX">X position on page</param>
    /// <param name="newCoordY">Y position on page</param>
    /// <param name="newColor">The color of the annotation element</param>
    /// <param name="newStyle">The style of the annotation element</param>
    /// <param name="open">Makes the annotation element open or closes at starttime</param>
    public annotationElement(string newContent, int newCoordX, int newCoordY, pdfColor newColor, Enumerators.predefinedAnnotationStyle newStyle, bool open)
    {
      _content = newContent;
      _coordX = newCoordX;
      _coordY = newCoordY;
      _strokeColor = newColor;
      _style = newStyle;
      _open = open;
      _height = 0;
      _width = 0;

      initializeStyleNames();
    }

    /// <summary>
    /// Sets the content of the annotation
    /// </summary>
    public string content
    {
      get
      {
        return _content;
      }
      
      set 
      {
        _content = value;
      }
    }

    /// <summary>
    /// Sets the color of the annotation element
    /// </summary>
    public pdfColor color
    {
      get
      {
        return _strokeColor;
      }

      set
      {
        _strokeColor = value;
      }
    }

    /// <summary>
    /// The style of the Annotation
    /// </summary>
    public predefinedAnnotationStyle style
    {
      get
      {
        return _style;
      }
      set
      {
        _style = value;
      }
    }

    /// <summary>
    /// Method that returns the PDF codes to write the annotation in the document
    /// </summary>
    /// <returns>String that contains PDF codes</returns>
    public override string getText()
    {
      StringBuilder result = new StringBuilder();

      result.Append(_objectID.ToString() + " 0 obj" + Convert.ToChar(13) + Convert.ToChar(10));
      result.Append("<<" + Convert.ToChar(13) + Convert.ToChar(10));
      
      result.Append("/Type /Annot" + Convert.ToChar(13) + Convert.ToChar(10));
      result.Append("/Subtype /Text" + Convert.ToChar(13) + Convert.ToChar(10));
      result.Append("/Rect [" + _coordX.ToString() + " 0 0 " + _coordY.ToString() + "]" + Convert.ToChar(13) + Convert.ToChar(10));
      result.Append("/Contents (" + _content + ")" + Convert.ToChar(13) + Convert.ToChar(10));
      
      if (_open)
                result.Append("/Open true" + Convert.ToChar(13) + Convert.ToChar(10));

      if (_strokeColor.isColor())
      {
        result.Append("/C [" + _strokeColor.rColor + " " +_strokeColor.gColor + " " + _strokeColor.bColor + "]" + Convert.ToChar(13) + Convert.ToChar(10));
      }
      if (_style != Enumerators.predefinedAnnotationStyle.csNone)
      {
        result.Append("/Name /" + _styleNames[(int)_style] + Convert.ToChar(13) + Convert.ToChar(10));
      }
      result.Append(">>" + Convert.ToChar(13) + Convert.ToChar(10));
      result.Append("endobj" +Convert.ToChar(13) + Convert.ToChar(10));

      return result.ToString();
    }

    /// <summary>
    /// Method that clones the element
    /// </summary>
    /// <returns>Cloned object</returns>
    public override object Clone()
    {
      return new annotationElement((string)this._content.Clone(), this._coordX, this._coordY, (pdfColor)this._strokeColor.Clone(), this._style);
    }

  }
}