[2769] | 1 | using System;
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| 2 | using System.Drawing;
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| 3 | using System.Drawing.Imaging;
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| 4 | using System.IO;
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| 5 | using System.Text;
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| 6 | using Netron.GraphLib.UI;
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| 7 | using System.Reflection;
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| 8 | namespace Netron.GraphLib.IO.HTML
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| 9 | {
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| 10 | /// <summary>
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| 11 | /// Exports a diagram to HTML
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| 12 | /// includes the diagram as an image with an
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| 13 | /// imagemap if there are URL's included on shapes.
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| 14 | /// </summary>
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| 15 | public class HTMLExporter
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| 16 | {
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| 17 |
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| 18 | /// <summary>
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| 19 | /// the graph control
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| 20 | /// </summary>
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| 21 | private GraphControl mSite;
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| 22 |
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| 23 | /// <summary>
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| 24 | /// Default constructor
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| 25 | /// </summary>
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| 26 | /// <param name="site"></param>
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| 27 | public HTMLExporter(GraphControl site)
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| 28 | {
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| 29 | mSite = site;
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| 30 | }
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| 31 |
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| 32 |
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| 33 | /// <summary>
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| 34 | /// Creates the necessary files and directories for the export
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| 35 | /// </summary>
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| 36 | /// <param name="filePath"></param>
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| 37 | private void CreateDirAndFiles(string filePath)
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| 38 | {
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| 39 | if(!Directory.Exists(Path.GetDirectoryName(filePath)))
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| 40 | {
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| 41 | Directory.CreateDirectory(Path.GetDirectoryName(filePath));
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| 42 | }
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| 43 | if(!Directory.Exists(Path.GetDirectoryName(filePath) + "\\images"))
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| 44 | {
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| 45 | Directory.CreateDirectory(Path.GetDirectoryName(filePath) + "\\images");
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| 46 | }
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| 47 | Stream stream=Assembly.GetExecutingAssembly().GetManifestResourceStream("Netron.GraphLib.Resources.Stripes.gif"); |
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| 48 | Bitmap bmp= Bitmap.FromStream(stream) as Bitmap; |
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| 49 | bmp.Save(Path.GetDirectoryName(filePath) + "\\images\\Stripes.gif",ImageFormat.Gif); |
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| 50 | stream.Close(); |
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| 51 | stream=null; |
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| 52 | /* |
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| 53 | Stream stream=Assembly.GetExecutingAssembly().GetManifestResourceStream("Netron.GraphLib.Resources.GradLeft.jpg"); |
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| 54 | Bitmap bmp= Bitmap.FromStream(stream) as Bitmap; |
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| 55 | bmp.Save(Path.GetDirectoryName(filePath) + "\\images\\GradLeft.jpg",ImageFormat.Jpeg); |
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| 56 | stream.Close(); |
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| 57 | stream=null; |
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| 58 | |
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| 59 | stream=Assembly.GetExecutingAssembly().GetManifestResourceStream("Netron.GraphLib.Resources.GradTop.jpg"); |
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| 60 | bmp= Bitmap.FromStream(stream) as Bitmap; |
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| 61 | bmp.Save(Path.GetDirectoryName(filePath) + "\\images\\GradTop.jpg",ImageFormat.Jpeg); |
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| 62 | stream.Close(); |
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| 63 | stream=null; |
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| 64 | */
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| 65 | }
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| 66 |
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| 67 | /// <summary>
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| 68 | /// Creates the image-map for the clickable areas related to the URL on the shapes
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| 69 | /// </summary>
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| 70 | /// <returns></returns>
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| 71 | private string GetURLMap()
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| 72 | {
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| 73 | StringBuilder sb = new StringBuilder();
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| 74 | string template = @"<area shape=""rect"" coords=""{0},{1},{2},{3}"" href=""{4}"" target=""_blank"" title=""{4}"" >";
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| 75 | foreach(Shape sh in mSite.Abstract.Shapes)
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| 76 | {
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| 77 | if(sh.URL!=string.Empty)
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| 78 | {
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| 79 | sb.AppendFormat(template,Convert.ToInt32(sh.Rectangle.Right-16),Convert.ToInt32(sh.Rectangle.Bottom-16),Convert.ToInt32(sh.Rectangle.Right), Convert.ToInt32(sh.Rectangle.Bottom),sh.URL);
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| 80 | }
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| 81 | }
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| 82 | return sb.ToString();
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| 83 | }
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| 84 |
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| 85 | /// <summary>
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| 86 | /// Saves an HTML version of the diagram to the given file
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| 87 | /// </summary>
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| 88 | /// <param name="filePath">a path</param>
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| 89 | public void SaveAs(string filePath)
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| 90 | {
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| 91 | CreateDirAndFiles(filePath);
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| 92 |
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| 93 | StreamWriter sw = null;
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| 94 | try
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| 95 | {
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| 96 | GraphInformation info = mSite.Abstract.GraphInformation;
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| 97 | Stream stream=Assembly.GetExecutingAssembly().GetManifestResourceStream("Netron.GraphLib.Resources.DefaultHTML.htm");
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| 98 | StreamReader reader = new StreamReader(stream,System.Text.Encoding.ASCII);
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| 99 | string template = reader.ReadToEnd();
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| 100 |
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| 101 | stream.Close();
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| 102 |
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| 103 | stream=null;
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| 104 |
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| 105 | sw = new StreamWriter(filePath);
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| 106 |
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| 107 | if(info.Title==string.Empty)
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| 108 | template = template.Replace("$title$", "A Netron diagram");
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| 109 | else
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| 110 | template = template.Replace("$title$",info.Title);
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| 111 |
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| 112 | if(info.Description==string.Empty)
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| 113 | template = template.Replace("$description$","Not set");
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| 114 | else
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| 115 | template = template.Replace("$description$",info.Description);
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| 116 |
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| 117 | if(info.Author==string.Empty)
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| 118 | template = template.Replace("$author$", "Not set");
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| 119 | else
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| 120 | template = template.Replace("$author$",info.Author);
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| 121 |
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| 122 | if(info.Subject==string.Empty)
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| 123 | template = template.Replace("$subject$", "Not set");
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| 124 | else
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| 125 | template = template.Replace("$subject$",info.Subject);
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| 126 |
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| 127 | template = template.Replace("$creationdate$",info.CreationDate);
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| 128 |
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| 129 | if(mSite.FileName==string.Empty)
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| 130 | template = template.Replace("$filepath$", "Unsaved diagram");
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| 131 | else
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| 132 | template = template.Replace("$filepath$",mSite.FileName);
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| 133 |
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| 134 | string imagename = Path.ChangeExtension(Path.GetFileName(filePath),"jpg");
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| 135 |
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| 136 | mSite.SaveImage(Path.GetDirectoryName(filePath) + "\\images\\" + imagename, true);
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| 137 |
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| 138 |
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| 139 | template = template.Replace("$imagepath$","images\\" + imagename);
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| 140 |
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| 141 | template = template.Replace("$urlmap$",GetURLMap());
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| 142 |
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| 143 |
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| 144 | sw.Write(template);
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| 145 | sw.Close();
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| 146 | }
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| 147 | catch(Exception exc)
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| 148 | {
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| 149 | mSite.OutputInfo(exc.Message,OutputInfoLevels.Exception);
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| 150 | if(sw!=null) sw.Close();
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| 151 | }
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| 152 | }
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| 153 | }
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| 154 | }
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