src/main/java/eu/svjatoslav/meviz/htmlindexer/layouts/MixedLayout.java

   1 /*
   2  * Meviz - Various tools collection to work with multimedia.
   3  * Copyright (C) 2012, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of version 2 of the GNU General Public License
   7  * as published by the Free Software Foundation.
   8  */
   9
  10 package eu.svjatoslav.meviz.htmlindexer.layouts;
  11
  12 import java.io.UnsupportedEncodingException;
  13 import java.util.List;
  14
  15 import org.apache.log4j.Logger;
  16
  17 import eu.svjatoslav.commons.file.FilePathParser;
  18 import eu.svjatoslav.commons.network.UrlParamEncoder;
  19 import eu.svjatoslav.meviz.htmlindexer.AbstractIndexer;
  20 import eu.svjatoslav.meviz.htmlindexer.Constants;
  21 import eu.svjatoslav.meviz.htmlindexer.IndexingContext;
  22 import eu.svjatoslav.meviz.htmlindexer.Layout;
  23 import eu.svjatoslav.meviz.htmlindexer.metadata.Dimension;
  24 import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.AbstractFile;
  25 import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.GeneralFile;
  26 import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.Picture;
  27
  28 public class MixedLayout implements Layout {
  29
  30         Logger logger = Logger.getLogger(MixedLayout.class);
  31
  32         StringBuffer dirHtml = new StringBuffer();
  33
  34         StringBuffer filesHtml = new StringBuffer();
  35
  36         String galleryTitle;
  37
  38         List<String> path;
  39
  40         public static final String encoding = "UTF-8";
  41
  42         private AbstractIndexer indexer;
  43
  44         private IndexingContext indexingContext;
  45
  46         @Override
  47         public void enlistDirectory(final AbstractFile directory) {
  48                 dirHtml.append("<TR>");
  49                 dirHtml.append("<TD><b><a href=\""
  50                                 + indexer.getDirectoryUrl(directory, indexingContext)
  51                                 + "\"><h2> ==&gt; " + directory.fileName + "</h2></a></b></TD>");
  52                 dirHtml.append("</TR>\n");
  53
  54         }
  55
  56         @Override
  57         public void enlistFile(final AbstractFile file) {
  58
  59                 final String fullFileName = file.fileName;
  60
  61                 filesHtml.append("<div style=\"clear: both;\"><a href=\""
  62                                 + indexingContext.getGlobalUrl()
  63                                 + UrlParamEncoder.encode(indexingContext.getLocalUrl() + "/"
  64                                                 + fullFileName) + "\">" + fullFileName + "</a>\n");
  65                 filesHtml.append("&nbsp;&nbsp;("
  66                                 + FilePathParser.getFileSizeDescription(file.getFileLength())
  67                                 + ")</div><br/>\n");
  68
  69         }
  70
  71         @Override
  72         public void enlistImage(final AbstractFile abstractFile) {
  73                 try {
  74
  75                         final Picture picture = (Picture) abstractFile;
  76
  77                         final Dimension imageSize = picture.getDimensions();
  78
  79                         final List<Dimension> recommendedDimensions = Picture
  80                                         .getThumbnailDimensions(imageSize);
  81
  82                         Dimension listingDimension = new Dimension(1500, 450);
  83
  84                         if (listingDimension.width > imageSize.width)
  85                                 if (listingDimension.height > imageSize.height)
  86                                         listingDimension = imageSize;
  87
  88                         final String listingThumbnailUrl = indexer.getThumbnailUrl(picture,
  89                                         listingDimension, indexingContext);
  90
  91                         filesHtml.append("<div style=\"float:left; margin: 10px;\">");
  92                         filesHtml.append("<a href=\""
  93                                         + indexingContext.getGlobalUrl()
  94                                         + UrlParamEncoder.encode(indexingContext.getLocalUrl()
  95                                                         + "/" + picture.fileName) + "\">\n");
  96
  97                         filesHtml.append("<img border=\"0\" src=\"" + listingThumbnailUrl
  98                                         + "\"/></a>\n");
  99                         filesHtml.append("<br/><b>"
 100                                         + FilePathParser
 101                                                         .getFileNameWithoutExtension(picture.fileName)
 102                                         + "</b><br/>(");
 103
 104                         int count = 0;
 105                         for (final Dimension dimension : recommendedDimensions) {
 106                                 count++;
 107                                 if (count > 1)
 108                                         filesHtml.append(", ");
 109                                 filesHtml.append("<a href=\""
 110                                                 + indexer.getThumbnailUrl(picture, dimension,
 111                                                                 indexingContext) + "\">");
 112                                 filesHtml.append(dimension.width + "x" + dimension.height);
 113                                 filesHtml.append("</a>");
 114                         }
 115
 116                         filesHtml.append(")\n");
 117                         filesHtml.append("</div>");
 118
 119                 } catch (final Exception e) {
 120                         logger.error(
 121                                         "Error generating thumbnails for image file: "
 122                                                         + e.toString()
 123                                                         + ", thumbnail generation skipped, enlisting as ordinary file instead.",
 124                                         e);
 125                         enlistFile(abstractFile);
 126                 }
 127         }
 128
 129         /** {@inheritDoc} */
 130         @Override
 131         public void enlistOgv(final AbstractFile abstractFile)
 132                         throws UnsupportedEncodingException {
 133
 134                 final GeneralFile file = (GeneralFile) abstractFile;
 135
 136                 filesHtml
 137                                 .append("<div style=\"margin: 30px; clear: both;\"><video controls=\"controls\" tabindex=\"0\">\n");
 138                 filesHtml
 139                                 .append("<source type=\"video/ogg\" codecs=\"theora, vorbis\" src=\""
 140                                                 + indexingContext.getGlobalUrl()
 141                                                 + UrlParamEncoder.encode(indexingContext.getLocalUrl()
 142                                                                 + "/" + file.fileName) + "\">\n");
 143                 filesHtml.append("</source>\n");
 144
 145                 filesHtml.append("</video>\n");
 146
 147                 filesHtml.append("<br/>\n");
 148
 149                 filesHtml
 150                                 .append("Video: <b>"
 151                                                 + FilePathParser
 152                                                                 .getFileNameWithoutExtension(file.fileName)
 153                                                 + "<b/>  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;");
 154                 filesHtml.append("<a href=\""
 155                                 + indexingContext.getGlobalUrl()
 156                                 + UrlParamEncoder.encode(indexingContext.getLocalUrl() + "/"
 157                                                 + file.fileName) + "\">download as OGV</a></div>\n");
 158
 159                 filesHtml.append("\n");
 160
 161         }
 162
 163         /** {@inheritDoc} */
 164         @Override
 165         public String getFileNameSuffix() {
 166                 return "";
 167         }
 168
 169         /** {@inheritDoc} */
 170         @Override
 171         public String getHtml(final boolean showTitle,
 172                         final boolean doHtmlHeaderAndFooter) {
 173
 174                 // assemble final page HTML
 175                 final StringBuffer finalHtml = new StringBuffer();
 176
 177                 if (doHtmlHeaderAndFooter) {
 178                         // page header
 179                         finalHtml.append("<HTML>\n");
 180                         finalHtml.append("<HEAD>\n");
 181                         finalHtml
 182                                         .append("    <meta HTTP-EQUIV=\"Content-Type\" CONTENT=\"text/html; charset=UTF-8\"/>\n");
 183                         finalHtml.append("</HEAD>\n");
 184                         finalHtml
 185                                         .append("<BODY bgcolor=\"#000000\" alink=\"#50ffff\" link=\"#50ffff\" vlink=\"#ff50ff\" text=\"#ffffff\">\n");
 186                         finalHtml.append("<!-- " + Constants.HTML_MAGIC_STRING + " -->\n");
 187                         finalHtml.append("<!-- " + Constants.HTML_MEMO + " -->\n");
 188                         finalHtml.append("<font color=\"#ffffff\">\n");
 189                 }
 190
 191                 if (showTitle)
 192                         finalHtml
 193                                         .append("<CENTER><H1>" + galleryTitle + "</H1></CENTER>\n");
 194
 195                 showCurrentPath(finalHtml);
 196
 197                 listDirectories(finalHtml);
 198
 199                 finalHtml.append(filesHtml.toString());
 200
 201                 if (doHtmlHeaderAndFooter)
 202                         finalHtml.append("</font></BODY></HTML>\n");
 203
 204                 return finalHtml.toString();
 205         }
 206
 207         @Override
 208         public void init(final String galleryTitle, final List<String> path,
 209                         final AbstractIndexer indexer, final IndexingContext indexingContext) {
 210
 211                 this.indexer = indexer;
 212                 this.galleryTitle = galleryTitle;
 213                 this.path = path;
 214                 this.indexingContext = indexingContext;
 215
 216                 dirHtml = new StringBuffer();
 217                 filesHtml = new StringBuffer();
 218         }
 219
 220         private void listDirectories(final StringBuffer finalHtml) {
 221                 finalHtml.append("<TABLE>\n");
 222
 223                 if (path.size() > 0) {
 224                         finalHtml.append("<TR>");
 225                         finalHtml.append("<TD><b><a href=\""
 226                                         + indexer.getParentDirectoryUrl(indexingContext)
 227                                         + "\"><h2> &lt;== parent directory</h2></a></b></TD>");
 228                         finalHtml.append("</TR>\n");
 229                 }
 230
 231                 finalHtml.append(dirHtml.toString());
 232                 finalHtml.append("\n<TR><TD><br></TD></TR>\n");
 233                 finalHtml.append("</TABLE>\n");
 234         }
 235
 236         private void showCurrentPath(final StringBuffer finalHtml) {
 237                 finalHtml.append("<CENTER><H2>");
 238                 for (final String p : path)
 239                         finalHtml.append(" / " + p);
 240                 finalHtml.append("</H2></CENTER>\n");
 241         }
 242
 243 }