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.Layout;
  22 import eu.svjatoslav.meviz.htmlindexer.metadata.Dimension;
  23 import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.AbstractFile;
  24 import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.GeneralFile;
  25 import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.Picture;
  26
  27 public class MixedLayout implements Layout {
  28
  29         Logger logger = Logger.getLogger(MixedLayout.class);
  30
  31         StringBuffer dirHtml = new StringBuffer();
  32
  33         StringBuffer filesHtml = new StringBuffer();
  34
  35         String galleryTitle;
  36
  37         String[] path;
  38
  39         public static final String encoding = "UTF-8";
  40
  41         int currentColumn = 0;
  42
  43         int horizontalColumnsLimit = 2;
  44
  45         private AbstractIndexer indexer;
  46
  47         private String pathPrefix;
  48
  49         public void columnAdded() {
  50                 currentColumn++;
  51                 if (currentColumn > horizontalColumnsLimit) {
  52
  53                         currentColumn = 0;
  54
  55                         filesHtml.append("</TR>\n");
  56                 }
  57         }
  58
  59         @Override
  60         public void enlistDirectory(final AbstractFile directory) {
  61                 dirHtml.append("<TR>");
  62                 dirHtml.append("<TD><b><a href=\"" + indexer.getDirectoryUrl(directory)
  63                                 + "\"> ==&gt; " + directory.fileName + "</a></b></TD>");
  64                 dirHtml.append("</TR>\n");
  65
  66         }
  67
  68         @Override
  69         public void enlistFile(final AbstractFile file) {
  70                 finishRow();
  71
  72                 final String fullFileName = file.fileName;
  73
  74                 filesHtml.append("<TR>\n");
  75                 filesHtml.append("    <TD colspan=\""
  76                                 + String.valueOf(horizontalColumnsLimit) + "\"><a href=\""
  77                                 + UrlParamEncoder.encode(pathPrefix + fullFileName) + "\">"
  78                                 + fullFileName + "</a>\n");
  79                 filesHtml.append("&nbsp;&nbsp;("
  80                                 + FilePathParser.getFileSizeDescription(file.getFileLength())
  81                                 + ")</TD>\n");
  82                 filesHtml.append("</TR>\n");
  83
  84         }
  85
  86         @Override
  87         public void enlistImage(final AbstractFile abstractFile) {
  88                 try {
  89
  90                         final Picture picture = (Picture) abstractFile;
  91
  92                         final Dimension imageSize = picture.getDimensions();
  93
  94                         final List<Dimension> recommendedDimensions = Picture
  95                                         .getThumbnailDimensions(imageSize);
  96
  97                         Dimension listingDimension = new Dimension(500, 500);
  98
  99                         if (listingDimension.width > imageSize.width)
 100                                 if (listingDimension.height > imageSize.height)
 101                                         listingDimension = imageSize;
 102
 103                         final String listingThumbnailPath = indexer.getThumbnailPath(
 104                                         picture, listingDimension);
 105
 106                         startcolumn();
 107
 108                         filesHtml.append("<TD><center><a href=\""
 109                                         + UrlParamEncoder.encode(pathPrefix + picture.fileName)
 110                                         + "\">\n");
 111
 112                         filesHtml.append("<img border=\"0\" src=\""
 113                                         + UrlParamEncoder.encode(listingThumbnailPath)
 114                                         + "\"/></a>\n");
 115                         filesHtml.append("<br/><b>"
 116                                         + FilePathParser
 117                                                         .getFileNameWithoutExtension(picture.fileName)
 118                                         + "</b><br/>(");
 119
 120                         int count = 0;
 121                         for (final Dimension dimension : recommendedDimensions) {
 122                                 count++;
 123                                 if (count > 1)
 124                                         filesHtml.append(", ");
 125                                 filesHtml.append("<a href=\""
 126                                                 + UrlParamEncoder.encode(indexer.getThumbnailPath(
 127                                                                 picture, dimension)) + "\">");
 128                                 filesHtml.append(dimension.width + "x" + dimension.height);
 129                                 filesHtml.append("</a>");
 130                         }
 131
 132                         filesHtml.append(")</TD>\n");
 133
 134                         columnAdded();
 135
 136                 } catch (final Exception e) {
 137                         logger.error(
 138                                         "Error generating thumbnails for image file: "
 139                                                         + e.toString()
 140                                                         + ", thumbnail generation skipped, enlisting as ordinary file instead.",
 141                                         e);
 142                         enlistFile(abstractFile);
 143                 }
 144         }
 145
 146         /** {@inheritDoc} */
 147         @Override
 148         public void enlistOgv(final AbstractFile abstractFile)
 149                         throws UnsupportedEncodingException {
 150
 151                 final GeneralFile file = (GeneralFile) abstractFile;
 152
 153                 finishRow();
 154
 155                 filesHtml
 156                                 .append("<TR style=\"background-color: #404040; text-align: center\">\n");
 157                 filesHtml.append("<TD style=\"text-align: center\" colspan=\""
 158                                 + String.valueOf(horizontalColumnsLimit) + "\">\n");
 159
 160                 filesHtml.append("<video controls=\"controls\" tabindex=\"0\">\n");
 161                 filesHtml
 162                                 .append("<source type=\"video/ogg\" codecs=\"theora, vorbis\" src=\""
 163                                                 + UrlParamEncoder.encode(pathPrefix + file.fileName)
 164                                                 + "\">\n");
 165                 filesHtml.append("</source>\n");
 166
 167                 // if browser cannot play video directry, fall back to java Applet
 168                 filesHtml
 169                                 .append("<applet code=\"com.fluendo.player.Cortado.class\" archive=\"http://theora.org/cortado.jar\" width=\"800\" height=\"600\">\n");
 170                 filesHtml
 171                                 .append("    <param name=\"url\" value=\""
 172                                                 + UrlParamEncoder.encode(pathPrefix + file.fileName)
 173                                                 + "\"/>\n");
 174                 filesHtml.append("    <param name=\"keepAspect\" value=\"true\"/>\n");
 175                 filesHtml.append("    <param name=\"autoPlay\" value=\"false\"/>\n");
 176                 filesHtml.append("</applet>\n");
 177
 178                 filesHtml.append("</video>\n");
 179
 180                 filesHtml.append("<br/>\n");
 181
 182                 filesHtml
 183                                 .append("Video: <b>"
 184                                                 + FilePathParser
 185                                                                 .getFileNameWithoutExtension(file.fileName)
 186                                                 + "<b/>  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;");
 187                 filesHtml.append("<a href=\""
 188                                 + UrlParamEncoder.encode(pathPrefix + file.fileName)
 189                                 + "\">download as OGV</a>\n");
 190
 191                 filesHtml.append("</TD></TR>\n");
 192
 193         }
 194
 195         public void finishRow() {
 196
 197                 if (currentColumn == 0)
 198                         return;
 199
 200                 while (currentColumn <= horizontalColumnsLimit) {
 201                         filesHtml.append("<TD></TD>");
 202                         currentColumn++;
 203                 }
 204                 filesHtml.append("</TR>\n");
 205                 currentColumn = 0;
 206         }
 207
 208         /** {@inheritDoc} */
 209         @Override
 210         public String getFileNameSuffix() {
 211                 return "";
 212         }
 213
 214         /** {@inheritDoc} */
 215         @Override
 216         public String getHtml() {
 217
 218                 // assemble final page HTML
 219                 final StringBuffer finalHtml = new StringBuffer();
 220
 221                 // page header
 222                 finalHtml.append("<HTML>\n");
 223                 finalHtml.append("<HEAD>\n");
 224                 finalHtml
 225                                 .append("    <meta HTTP-EQUIV=\"Content-Type\" CONTENT=\"text/html; charset=UTF-8\"/>\n");
 226                 finalHtml.append("</HEAD>\n");
 227                 finalHtml
 228                                 .append("<BODY bgcolor=\"#000000\" alink=\"#50ffff\" link=\"#50ffff\" vlink=\"#ff50ff\" text=\"#ffffff\">\n");
 229                 finalHtml.append("<!-- " + Constants.HTML_MAGIC_STRING + " -->\n");
 230                 finalHtml.append("<!-- " + Constants.HTML_MEMO + " -->\n");
 231                 finalHtml.append("<FONT color=\"#ffffff\">\n");
 232                 finalHtml.append("<CENTER><H1>" + galleryTitle + "</H1>\n");
 233
 234                 finalHtml.append("<H2>");
 235                 for (final String p : path)
 236                         finalHtml.append(" / " + p);
 237                 finalHtml.append("</H2></CENTER>\n");
 238
 239                 // append directory listing
 240                 finalHtml.append("<TABLE>\n");
 241
 242                 if (path.length > 0) {
 243                         finalHtml.append("<TR>");
 244                         finalHtml
 245                                         .append("<TD><b><a href=\"../index.html\"> &lt;== ..</a></b></TD>");
 246                         finalHtml.append("</TR>\n");
 247                 }
 248
 249                 finalHtml.append(dirHtml.toString());
 250                 finalHtml.append("\n<TR><TD><br></TD></TR>\n");
 251                 finalHtml.append("</TABLE>\n");
 252
 253                 // append file listing
 254
 255                 finishRow();
 256                 finalHtml.append("<TABLE width=\"1100\">\n");
 257                 finalHtml.append(filesHtml.toString());
 258                 finalHtml.append("\n</TABLE>\n");
 259
 260                 finalHtml.append("</font></BODY></HTML>\n");
 261
 262                 return finalHtml.toString();
 263         }
 264
 265         @Override
 266         public void init(final String galleryTitle, final String[] path,
 267                         final AbstractIndexer indexer, final String pathPrefix) {
 268                 this.indexer = indexer;
 269                 this.galleryTitle = galleryTitle;
 270                 this.path = path;
 271                 this.pathPrefix = pathPrefix;
 272
 273                 dirHtml = new StringBuffer();
 274                 filesHtml = new StringBuffer();
 275         }
 276
 277         public void startcolumn() {
 278                 if (currentColumn == 0) {
 279                         filesHtml.append("<TR>");
 280                         currentColumn = 1;
 281                 }
 282         }
 283
 284 }