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.DirectoryMetadata;
  25 import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.AbstractFile;
  26 import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.GeneralFile;
  27 import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.Picture;
  28
  29 public class MixedLayout implements Layout {
  30
  31         Logger logger = Logger.getLogger(MixedLayout.class);
  32
  33         StringBuffer dirHtml = new StringBuffer();
  34
  35         StringBuffer filesHtml = new StringBuffer();
  36
  37         String galleryTitle;
  38
  39         List<String> path;
  40
  41         public static final String encoding = "UTF-8";
  42
  43         private AbstractIndexer indexer;
  44
  45         private IndexingContext indexingContext;
  46
  47         @Override
  48         public void enlistDirectory(final AbstractFile directory,
  49                         final DirectoryMetadata parentDirectoryMetadata) {
  50                 dirHtml.append("<TR>");
  51                 dirHtml.append("<TD><b><a href=\""
  52                                 + indexer.getDirectoryUrl(directory, indexingContext)
  53                                 + "\"><h2> ==&gt; " + directory.fileName + "</h2></a></b></TD>");
  54                 dirHtml.append("</TR>\n");
  55
  56         }
  57
  58         @Override
  59         public void enlistFile(final AbstractFile file,
  60                         final DirectoryMetadata parentDirectoryMetadata) {
  61
  62                 final String fullFileName = file.fileName;
  63
  64                 filesHtml.append("<div style=\"clear: both;\"><a href=\""
  65                                 + indexingContext.getGlobalUrl()
  66                                 + UrlParamEncoder.encode(indexingContext.getLocalUrl() + "/"
  67                                                 + fullFileName) + "\">" + fullFileName + "</a>\n");
  68                 filesHtml.append("&nbsp;&nbsp;("
  69                                 + FilePathParser.getFileSizeDescription(file.getFileLength())
  70                                 + ")</div><br/>\n");
  71
  72         }
  73
  74         @Override
  75         public void enlistImage(final Picture picture,
  76                         final DirectoryMetadata parentDirectoryMetadata) {
  77                 try {
  78
  79                         final Dimension imageSize = picture.getDimensions();
  80
  81                         final List<Dimension> recommendedDimensions = Picture
  82                                         .getThumbnailDimensions(imageSize);
  83
  84                         Dimension listingDimension = new Dimension(1500, 450);
  85
  86                         if (listingDimension.width > imageSize.width)
  87                                 if (listingDimension.height > imageSize.height)
  88                                         listingDimension = imageSize;
  89
  90                         final String listingThumbnailUrl = indexer.getThumbnailUrl(picture,
  91                                         listingDimension, indexingContext);
  92
  93                         filesHtml.append("<div style=\"float:left; margin: 10px;\">");
  94                         filesHtml.append("<a href=\""
  95                                         + indexingContext.getGlobalUrl()
  96                                         + UrlParamEncoder.encode(indexingContext.getLocalUrl()
  97                                                         + "/" + picture.fileName) + "\">\n");
  98
  99                         filesHtml.append("<img border=\"0\" src=\"" + listingThumbnailUrl
 100                                         + "\"/></a>\n");
 101                         filesHtml.append("<br/><b>"
 102                                         + FilePathParser
 103                                                         .getFileNameWithoutExtension(picture.fileName)
 104                                         + "</b><br/>(");
 105
 106                         int count = 0;
 107                         for (final Dimension dimension : recommendedDimensions) {
 108                                 count++;
 109                                 if (count > 1)
 110                                         filesHtml.append(", ");
 111                                 filesHtml.append("<a href=\""
 112                                                 + indexer.getThumbnailUrl(picture, dimension,
 113                                                                 indexingContext) + "\">");
 114                                 filesHtml.append(dimension.width + "x" + dimension.height);
 115                                 filesHtml.append("</a>");
 116                         }
 117
 118                         filesHtml.append(")\n");
 119                         filesHtml.append("</div>");
 120
 121                 } catch (final Exception e) {
 122                         logger.error(
 123                                         "Error generating thumbnails for image file: "
 124                                                         + e.toString()
 125                                                         + ", thumbnail generation skipped, enlisting as ordinary file instead.",
 126                                         e);
 127                         enlistFile(picture, parentDirectoryMetadata);
 128                 }
 129         }
 130
 131         /** {@inheritDoc} */
 132         @Override
 133         public void enlistOgv(final AbstractFile abstractFile,
 134                         final DirectoryMetadata parentDirectoryMetadata)
 135                         throws UnsupportedEncodingException {
 136
 137                 final GeneralFile file = (GeneralFile) abstractFile;
 138
 139                 filesHtml
 140                                 .append("<div style=\"margin: 30px; clear: both;\">"
 141                                                 + "<video preload=\"metadata\" controls=\"controls\" tabindex=\"0\">\n");
 142                 filesHtml
 143                                 .append("<source type=\"video/ogg\" codecs=\"theora, vorbis\" src=\""
 144                                                 + indexingContext.getGlobalUrl()
 145                                                 + UrlParamEncoder.encode(indexingContext.getLocalUrl()
 146                                                                 + "/" + file.fileName) + "\">\n");
 147                 filesHtml.append("</source>\n");
 148
 149                 filesHtml.append("</video>\n");
 150
 151                 filesHtml.append("<br/>\n");
 152
 153                 filesHtml
 154                                 .append("Video: <b>"
 155                                                 + FilePathParser
 156                                                                 .getFileNameWithoutExtension(file.fileName)
 157                                                 + "<b/>  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;");
 158                 filesHtml.append("<a href=\""
 159                                 + indexingContext.getGlobalUrl()
 160                                 + UrlParamEncoder.encode(indexingContext.getLocalUrl() + "/"
 161                                                 + file.fileName) + "\">download as OGV</a></div>\n");
 162
 163                 filesHtml.append("\n");
 164
 165         }
 166
 167         /** {@inheritDoc} */
 168         @Override
 169         public String getFileNameSuffix() {
 170                 return "";
 171         }
 172
 173         /** {@inheritDoc} */
 174         @Override
 175         public String getHtml(final boolean showTitle,
 176                         final boolean doHtmlHeaderAndFooter) {
 177
 178                 // assemble final page HTML
 179                 final StringBuffer finalHtml = new StringBuffer();
 180
 181                 if (doHtmlHeaderAndFooter) {
 182                         // page header
 183                         finalHtml.append("<HTML>\n");
 184                         finalHtml.append("<HEAD>\n");
 185                         finalHtml
 186                                         .append("    <meta HTTP-EQUIV=\"Content-Type\" CONTENT=\"text/html; charset=UTF-8\"/>\n");
 187                         finalHtml.append("</HEAD>\n");
 188                         finalHtml
 189                                         .append("<BODY bgcolor=\"#000000\" alink=\"#50ffff\" link=\"#50ffff\" vlink=\"#ff50ff\" text=\"#ffffff\">\n");
 190                         finalHtml.append("<!-- " + Constants.HTML_MAGIC_STRING + " -->\n");
 191                         finalHtml.append("<!-- " + Constants.HTML_MEMO + " -->\n");
 192                         finalHtml.append("<font color=\"#ffffff\">\n");
 193                 }
 194
 195                 if (showTitle)
 196                         finalHtml
 197                                         .append("<CENTER><H1>" + galleryTitle + "</H1></CENTER>\n");
 198
 199                 showCurrentPath(finalHtml);
 200
 201                 listDirectories(finalHtml);
 202
 203                 finalHtml.append(filesHtml.toString());
 204
 205                 if (doHtmlHeaderAndFooter)
 206                         finalHtml.append("</font></BODY></HTML>\n");
 207
 208                 return finalHtml.toString();
 209         }
 210
 211         @Override
 212         public void init(final String galleryTitle, final List<String> path,
 213                         final AbstractIndexer indexer, final IndexingContext indexingContext) {
 214
 215                 this.indexer = indexer;
 216                 this.galleryTitle = galleryTitle;
 217                 this.path = path;
 218                 this.indexingContext = indexingContext;
 219
 220                 dirHtml = new StringBuffer();
 221                 filesHtml = new StringBuffer();
 222         }
 223
 224         private void listDirectories(final StringBuffer finalHtml) {
 225                 finalHtml.append("<TABLE>\n");
 226
 227                 if (path.size() > 0) {
 228                         finalHtml.append("<TR>");
 229                         finalHtml.append("<TD><b><a href=\""
 230                                         + indexer.getParentDirectoryUrl(indexingContext)
 231                                         + "\"><h2> &lt;== parent directory</h2></a></b></TD>");
 232                         finalHtml.append("</TR>\n");
 233                 }
 234
 235                 finalHtml.append(dirHtml.toString());
 236                 finalHtml.append("\n<TR><TD><br></TD></TR>\n");
 237                 finalHtml.append("</TABLE>\n");
 238         }
 239
 240         private void showCurrentPath(final StringBuffer finalHtml) {
 241                 finalHtml.append("<CENTER><H2>");
 242                 for (final String p : path)
 243                         finalHtml.append(" / " + p);
 244                 finalHtml.append("</H2></CENTER>\n");
 245         }
 246
 247 }