Major overhaul of navigation. Now shows directories and navigation buttons.

photos/portraits/album.properties

@@ -0,0 +1,2 @@
+
+cover=valdemar-dahl.jpg

pom.xml

@@ -74,7 +74,7 @@
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
       <version>4.4</version>
-      <scope>test</scope>
+<!--      <scope>test</scope> -->
     </dependency>
     <dependency>
       <groupId>org.springframework</groupId>

src/org/forkalsrud/album/exif/Album.java

@@ -0,0 +1,84 @@
+/**
+ * 
+ */
+package org.forkalsrud.album.exif;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.Date;
+import java.util.List;
+
+/**
+ * @author knut
+ *
+ */
+public class Album {
+
+	Entry cover;
+
+	List<Entry> contents = new ArrayList<Entry>();
+
+	public Entry getCover() {
+		return cover;
+	}
+
+
+	public List<Entry> getContents() {
+		return contents;
+	}
+
+
+	public void setCover(Entry cover) {
+		this.cover = cover;
+	}
+
+
+	public void addContents(Entry entry) {
+		contents.add(entry);
+	}
+
+
+
+	public void sort() {
+
+		Collections.sort(contents, new Comparator<Entry>() {
+
+            public int compare(Entry e1, Entry e2) {
+
+            	if (!e1.isFile() && e2.isFile()) {
+            		return -1;
+            	} else if (e1.isFile() && !e2.isFile()) {
+            		return +1;
+            	}
+            	Date d1 = e1.getDate();
+                Date d2 = e2.getDate();
+                if (d1 != null && d2 != null) {
+                    return d1.compareTo(d2);
+                } else if (d1 != null) {
+                    return -1;
+                } else if (d2 != null) {
+                    return +1;
+                } else {
+                    return 0;
+                }
+            }
+        });
+        fillLinkedList();
+	}
+
+    void fillLinkedList() {
+
+        Entry prev = null;
+        for (Entry e : contents) {
+            e.prev = prev;
+            if (prev != null) {
+                prev.next = e;
+            }
+            prev = e;
+        }
+        if (prev != null) {
+            prev.next = null;
+        }
+    }
+}

src/org/forkalsrud/album/exif/Entry.java

@@ -15,8 +15,10 @@ import java.util.Date;
  */
 public class Entry {
 
-    String name;
-    Dimension size;
+	boolean isFile;
+	String name;
+	String path;
+	Dimension size;
     String caption;
     Date date;
     int orientation;
@@ -25,6 +27,17 @@ public class Entry {
     String etag;
 
     
+    public boolean isFile() {
+		return isFile;
+	}
+
+
+	public void setFile(boolean isFile) {
+		this.isFile = isFile;
+	}
+
+
+
     /**
      * @return Returns the name.
      */
@@ -132,4 +145,15 @@ public class Entry {
     }
 
 
+    public String getPath() {
+		return path;
+	}
+
+
+	public void setPath(String path) {
+		this.path = path;
+	}
+
+
+
 }

src/org/forkalsrud/album/exif/EntryDao.java

@@ -17,8 +17,6 @@ import java.text.NumberFormat;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.Iterator;
@@ -54,7 +52,7 @@ public class EntryDao {
         return directory.lastModified() <= new File(directory, CACHE_FILE).lastModified();
     }
 
-    public List<Entry> read(File directory) throws FileNotFoundException, IOException, JpegProcessingException, MetadataException, ParseException {
+    public Album read(File directory) throws FileNotFoundException, IOException, JpegProcessingException, MetadataException, ParseException {
 
         List<Entry> entries = new ArrayList<Entry>();
 
@@ -73,46 +71,25 @@ public class EntryDao {
         Properties combined = new Properties();
         combined.putAll(cachedProps);
         combined.putAll(overrideProps);
-        populate(combined, entries);
-        Collections.sort(entries, new Comparator<Entry>() {
+        Entry cover = populate(combined, entries);
 
-            public int compare(Entry e1, Entry e2) {
-
-                Date d1 = e1.getDate();
-                Date d2 = e2.getDate();
-                if (d1 != null && d2 != null) {
-                    return d1.compareTo(d2);
-                } else if (d1 != null) {
-                    return -1;
-                } else if (d2 != null) {
-                    return +1;
-                } else {
-                    return 0;
-                }
-            }
-        });
-        fillLinkedList(entries);
-        return entries;
-    }
-
-    void fillLinkedList(List<Entry> entries) {
-
-        Entry prev = null;
+        Album alb = new Album();
+        alb.setCover(cover);
         for (Entry e : entries) {
-            e.prev = prev;
-            if (prev != null) {
-                prev.next = e;
-            }
-            prev = e;
-        }
-        if (prev != null) {
-            prev.next = null;
+        	alb.addContents(e);
         }
+        generateDirectoryEntries(directory, alb);
+        alb.sort();
+        return alb;
     }
 
 
-    private void populate(Properties cachedProps, List<Entry> entries) throws ParseException {
 
+
+    private Entry populate(Properties cachedProps, List<Entry> entries) throws ParseException {
+
+    	Entry cover = null;
+        String coverFileName = cachedProps.getProperty("cover");
         HashMap<String, Entry> entryMap = new HashMap<String, Entry>();
         SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd-HHmmss");
         Iterator i = cachedProps.keySet().iterator();
@@ -122,22 +99,28 @@ public class EntryDao {
                 String name = key.substring("file.".length(), key.length() - ".dimensions".length());
                 if (!entryMap.containsKey(name)) {
                     Entry entry = new Entry();
+                    entry.setFile(true);
                     entry.setName(name);
+                    entry.setPath(name);
                     entry.setDate(sdf.parse(cachedProps.getProperty("file." + name + ".captureDate")));
                     entry.setSize(new Dimension(cachedProps.getProperty("file." + name + ".dimensions")));
                     entry.setCaption(cachedProps.getProperty("file." + name + ".caption"));
                     entry.setOrientation(Integer.parseInt(cachedProps.getProperty("file." + name + ".orientation")));
                     entry.setEtag(cachedProps.getProperty("file." + name + ".etag"));
                     entries.add(entry);
+                    if (name != null && name.equals(coverFileName)) {
+                    	cover = entry;
+                    }
                 }
             }
         }
+        return cover;
     }
 
 
     public Entry readFile(File file) throws FileNotFoundException, IOException, JpegProcessingException, MetadataException, ParseException {
 
-        List<Entry> dir = read(file.getParentFile());
+        List<Entry> dir = read(file.getParentFile()).getContents();
         String name = file.getName();
         for (Entry e : dir) {
             if (name.equals(e.name)) {
@@ -149,11 +132,46 @@ public class EntryDao {
 
     void generateEntries(File directory, Properties cachedProps) throws JpegProcessingException, MetadataException, FileNotFoundException, IOException {
 
-        File[] files = directory.listFiles(new FileFilter() {
+    	generateFileEntries(directory, cachedProps);
+        File dst = new File(directory, CACHE_FILE);
+        if (directory.canWrite()) {
+            cachedProps.store(new FileOutputStream(dst), "Extra Comments");
+        }
+    }
+
+    void generateDirectoryEntries(File directory, Album album) throws FileNotFoundException, JpegProcessingException, MetadataException, IOException, ParseException {
+
+    	File[] dirs = directory.listFiles(new FileFilter() {
 
             public boolean accept(File file) {
 
-                return !file.isHidden() && !file.isDirectory() && !CACHE_FILE.equals(file.getName()) && !OVERRIDE_FILE.equals(file.getName());
+                return !file.isHidden() && file.isDirectory() && !CACHE_FILE.equals(file.getName()) && !OVERRIDE_FILE.equals(file.getName());
+            }
+
+        });
+        for (File dir : dirs) {
+        	
+        	Album childAlbum = read(dir);
+        	Entry childCover = childAlbum.getCover();
+        	if (childCover != null) {
+        		childCover.setFile(false);
+        		childCover.setName(dir.getName());
+        		childCover.setPath(dir.getName() + "/" + childCover.getPath());
+        		album.addContents(childCover);
+        	}
+        }
+    }
+
+
+    void generateFileEntries(File directory, Properties cachedProps)
+			throws JpegProcessingException, MetadataException, IOException {
+		File[] files = directory.listFiles(new FileFilter() {
+
+            public boolean accept(File file) {
+
+            	String name = file.getName();
+            	boolean isImageFile = name.endsWith(".jpg") || name.endsWith(".jpeg") || name.endsWith(".JPG");
+                return isImageFile && !file.isHidden() && !file.isDirectory() && !CACHE_FILE.equals(file.getName()) && !OVERRIDE_FILE.equals(file.getName());
             }
 
         });
@@ -213,11 +231,7 @@ public class EntryDao {
                 }
             }
         }
-        File dst = new File(directory, CACHE_FILE);
-        if (directory.canWrite()) {
-            cachedProps.store(new FileOutputStream(dst), "Extra Comments");
-        }
-    }
+	}
 
     Dimension decodeImageForDimensions(File file) throws IOException {
 

src/org/forkalsrud/album/web/AlbumServlet.java

@@ -52,8 +52,13 @@ public class AlbumServlet
             pathInfo = pathInfo.substring(0, pathInfo.length() - ".photo".length());
             page = "photo";
         }
+        int parentPos = pathInfo.substring(0, pathInfo.length() - 1).lastIndexOf('/');
+        if (parentPos >= 0) {
+        	req.setAttribute("parent", req.getServletPath() + pathInfo.substring(0, parentPos) + "/");
+        }
+        req.setAttribute("assets", "/" + req.getContextPath() + "assets");
         File file = new File(basePath + pathInfo);
-//        System.out.println("path=" + file);
+//        System.out.println("path=" + req.getContextPath());
         if (!file.canRead()) {
             res.setStatus(HttpServletResponse.SC_FORBIDDEN);
             return;
@@ -61,7 +66,7 @@ public class AlbumServlet
 
         if (file.isDirectory()) {
             try {
-                List<Entry> entries = dao.read(file);
+                List<Entry> entries = dao.read(file).getContents();
                 res.setContentType("text/html");
                 req.setAttribute("directory", file.getName());
                 req.setAttribute("path", req.getServletPath());
@@ -169,7 +174,7 @@ public class AlbumServlet
 
     @Override
     public String getServletInfo() {
-        return "Display a directory as an org.forkalsrud.album";
+        return "Display of org.forkalsrud.album";
     }
 
 }

webapp/WEB-INF/velocity/directory.vm

@@ -14,6 +14,9 @@
       margin: 10px auto;
       text-align: center;
     }
+	h1 {
+      text-align: left;
+	}
     a:link, a:visited {
       text-decoration: none;
       color: #4c4c4c;
@@ -30,18 +33,27 @@
     img {
       padding: 5px;
     }
+    .nav {
+      border: 0 none;
+      padding: 0px;
+	  vertical-align: middle;
+    }
   </style>
 
 </head>
 <body>
- <h1>$directory</h1>
- <hr/>
+<h1>#if($prev && $prev.isFile())<a href="${prev.name}.photo"><img class="nav" src="${assets}/left.png"/></a>#else<img class="nav" src="${assets}/left-inactive.png"/>#end#if($parent)<a href="$parent"><img class="nav" src="${assets}/up.png"/></a>#else<img class="nav" src="${assets}/up-inactive.png"/>#end#if($next && $next.isFile())<a href="${next.name}.photo"><img class="nav" src="${assets}/right.png"/></a>#else<img class="nav" src="${assets}/right-inactive.png"/>#end$directory</h1>
+<hr/>
 #set($thmb = 150)
 #foreach($entry in $entries)
 #set($dim = $entry.size.scaled($thmb))
 	 <div class="home_entry_table">
 				<span class="name">$entry.name</span><br/>
-				<a href="${entry.name}.photo"><img src="$entry.name?size=$thmb" border="0" width="$dim.width" height="$dim.height"/></a><br/>
+#if($entry.isFile())
+				<a href="${entry.name}.photo"><img src="$entry.path?size=$thmb" border="0" width="$dim.width" height="$dim.height"/></a><br/>
+#else
+				<a href="${entry.name}/"><img src="$entry.path?size=$thmb" border="0" width="$dim.width" height="$dim.height"/></a><br/>
+#end
 				<span class="caption">$!entry.caption</span>
   </div>
 #end

webapp/WEB-INF/velocity/photo.vm

@@ -14,6 +14,9 @@
       margin: 10px auto;
       text-align: center;
     }
+	h1 {
+      text-align: left;
+	}
     a:link, a:visited {
       text-decoration: none;
       color: #4c4c4c;
@@ -30,23 +33,21 @@
     img {
       padding: 5px;
     }
+    .nav {
+      border: 0 none;
+      padding: 0px;
+	  vertical-align: middle;
+    }
   </style>
 
 </head>
 <body>
-<center>
-#if($prev)
-  <a href="${prev.name}.photo">&lt;--</a>
-#end
-#if($next)
-  <a href="${next.name}.photo">--&gt;</a>
-#end
-</center>
-
+<h1>#if($prev && $prev.isFile())<a href="${prev.name}.photo"><img class="nav" src="${assets}/left.png"/></a>#else<img class="nav" src="${assets}/left-inactive.png"/>#end#if($parent)<a href="$parent"><img class="nav" src="${assets}/up.png"/></a>#else<img class="nav" src="${assets}/up-inactive.png"/>#end#if($next && $next.isFile())<a href="${next.name}.photo"><img class="nav" src="${assets}/right.png"/></a>#else<img class="nav" src="${assets}/right-inactive.png"/>#end$entry.name</h1>
+<hr/>
 #set($thmb = 480)
 #set($dim = $entry.size.scaled($thmb))
   <div class="photo">
-    <span class="name">$entry.name</span><br/>
+    <span class="name"></span><br/>
     <a href="$entry.name"><img src="$entry.name?size=$thmb" border="0" width="$dim.width" height="$dim.height"/></a><br/>
     <span class="caption">$!entry.caption</span>
   </div>