/*
- * Sone - Album.java - Copyright © 2011 David Roden
+ * Sone - Album.java - Copyright © 2011–2012 David Roden
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
package net.pterodactylus.sone.data;
import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.HashMap;
import java.util.List;
+import java.util.Map;
import java.util.UUID;
+import net.pterodactylus.util.collection.Mapper;
+import net.pterodactylus.util.collection.Mappers;
+import net.pterodactylus.util.object.Default;
import net.pterodactylus.util.validation.Validation;
/**
*/
public class Album implements Fingerprintable {
+ /** Compares two {@link Album}s by {@link #getTitle()}. */
+ public static final Comparator<Album> TITLE_COMPARATOR = new Comparator<Album>() {
+
+ @Override
+ public int compare(Album leftAlbum, Album rightAlbum) {
+ return leftAlbum.getTitle().compareToIgnoreCase(rightAlbum.getTitle());
+ }
+ };
+
/** The ID of this album. */
private final String id;
/** Nested albums. */
private final List<Album> albums = new ArrayList<Album>();
+ /** The image IDs in order. */
+ private final List<String> imageIds = new ArrayList<String>();
+
/** The images in this album. */
- private final List<Image> images = new ArrayList<Image>();
+ private final Map<String, Image> images = new HashMap<String, Image>();
/** The parent album. */
private Album parent;
/** The description of this album. */
private String description;
- /** The index of the album picture. */
- private int albumImage = -1;
+ /** The ID of the album picture. */
+ private String albumImage;
/**
* Creates a new album with a random ID.
* @return This album
*/
public Album setSone(Sone sone) {
- Validation.begin().isNull("Current Album Owner", this.sone).isNotNull("New Album Owner", sone).check();
+ Validation.begin().isNotNull("New Album Owner", sone).isEither("Old Album Owner", this.sone, null, sone).check();
this.sone = sone;
return this;
}
* The album to add
*/
public void addAlbum(Album album) {
- Validation.begin().isNotNull("Album", album).check().isEqual("Album Owner", album.sone, sone).isNull("Album Parent", album.parent).check();
- albums.add(album);
+ Validation.begin().isNotNull("Album", album).check().isEqual("Album Owner", album.sone, sone).isEither("Old Album Parent", this.parent, null, album.parent).check();
album.setParent(this);
+ if (!albums.contains(album)) {
+ albums.add(album);
+ }
}
/**
}
/**
+ * Moves the given album up in this album’s albums. If the album is already
+ * the first album, nothing happens.
+ *
+ * @param album
+ * The album to move up
+ * @return The album that the given album swapped the place with, or
+ * <code>null</code> if the album did not change its place
+ */
+ public Album moveAlbumUp(Album album) {
+ Validation.begin().isNotNull("Album", album).check().isEqual("Album Owner", album.sone, sone).isEqual("Album Parent", album.parent, this).check();
+ int oldIndex = albums.indexOf(album);
+ if (oldIndex <= 0) {
+ return null;
+ }
+ albums.remove(oldIndex);
+ albums.add(oldIndex - 1, album);
+ return albums.get(oldIndex);
+ }
+
+ /**
+ * Moves the given album down in this album’s albums. If the album is
+ * already the last album, nothing happens.
+ *
+ * @param album
+ * The album to move down
+ * @return The album that the given album swapped the place with, or
+ * <code>null</code> if the album did not change its place
+ */
+ public Album moveAlbumDown(Album album) {
+ Validation.begin().isNotNull("Album", album).check().isEqual("Album Owner", album.sone, sone).isEqual("Album Parent", album.parent, this).check();
+ int oldIndex = albums.indexOf(album);
+ if ((oldIndex < 0) || (oldIndex >= (albums.size() - 1))) {
+ return null;
+ }
+ albums.remove(oldIndex);
+ albums.add(oldIndex + 1, album);
+ return albums.get(oldIndex);
+ }
+
+ /**
* Returns the images in this album.
*
* @return The images in this album
*/
public List<Image> getImages() {
- return new ArrayList<Image>(images);
+ return Mappers.mappedList(imageIds, new Mapper<String, Image>() {
+
+ @Override
+ @SuppressWarnings("synthetic-access")
+ public Image map(String imageId) {
+ return images.get(imageId);
+ }
+
+ });
}
/**
*/
public void addImage(Image image) {
Validation.begin().isNotNull("Image", image).check().isNotNull("Image Owner", image.getSone()).check().isEqual("Image Owner", image.getSone(), sone).check();
+ if (image.getAlbum() != null) {
+ image.getAlbum().removeImage(image);
+ }
image.setAlbum(this);
- images.add(image);
+ if (imageIds.isEmpty() && (albumImage == null)) {
+ albumImage = image.getId();
+ }
+ if (!imageIds.contains(image.getId())) {
+ imageIds.add(image.getId());
+ images.put(image.getId(), image);
+ }
}
/**
*/
public void removeImage(Image image) {
Validation.begin().isNotNull("Image", image).check().isEqual("Image Owner", image.getSone(), sone).check();
- images.remove(image);
+ imageIds.remove(image.getId());
+ images.remove(image.getId());
+ if (image.getId().equals(albumImage)) {
+ if (images.isEmpty()) {
+ albumImage = null;
+ } else {
+ albumImage = images.values().iterator().next().getId();
+ }
+ }
+ }
+
+ /**
+ * Moves the given image up in this album’s images. If the image is already
+ * the first image, nothing happens.
+ *
+ * @param image
+ * The image to move up
+ * @return The image that the given image swapped the place with, or
+ * <code>null</code> if the image did not change its place
+ */
+ public Image moveImageUp(Image image) {
+ Validation.begin().isNotNull("Image", image).check().isEqual("Image Album", image.getAlbum(), this).isEqual("Album Owner", image.getAlbum().getSone(), sone).check();
+ int oldIndex = imageIds.indexOf(image.getId());
+ if (oldIndex <= 0) {
+ return null;
+ }
+ imageIds.remove(image.getId());
+ imageIds.add(oldIndex - 1, image.getId());
+ return images.get(imageIds.get(oldIndex));
+ }
+
+ /**
+ * Moves the given image down in this album’s images. If the image is
+ * already the last image, nothing happens.
+ *
+ * @param image
+ * The image to move down
+ * @return The image that the given image swapped the place with, or
+ * <code>null</code> if the image did not change its place
+ */
+ public Image moveImageDown(Image image) {
+ Validation.begin().isNotNull("Image", image).check().isEqual("Image Album", image.getAlbum(), this).isEqual("Album Owner", image.getAlbum().getSone(), sone).check();
+ int oldIndex = imageIds.indexOf(image.getId());
+ if ((oldIndex == -1) || (oldIndex >= (imageIds.size() - 1))) {
+ return null;
+ }
+ imageIds.remove(image.getId());
+ imageIds.add(oldIndex + 1, image.getId());
+ return images.get(imageIds.get(oldIndex));
}
/**
* @return The image to show when this album is listed
*/
public Image getAlbumImage() {
- if (albumImage == -1) {
+ if (albumImage == null) {
return null;
}
- return images.get(albumImage);
+ return Default.forNull(images.get(albumImage), images.values().iterator().next());
+ }
+
+ /**
+ * Sets the ID of the album image.
+ *
+ * @param id
+ * The ID of the album image
+ * @return This album
+ */
+ public Album setAlbumImage(String id) {
+ this.albumImage = id;
+ return this;
}
/**
* @return This album
*/
protected Album removeParent() {
- Validation.begin().isNotNull("Album Parent", parent).check();
this.parent = null;
return this;
}
fingerprint.append("ID(").append(id).append(')');
fingerprint.append("Title(").append(title).append(')');
fingerprint.append("Description(").append(description).append(')');
+ if (albumImage != null) {
+ fingerprint.append("AlbumImage(").append(albumImage).append(')');
+ }
/* add nested albums. */
fingerprint.append("Albums(");
/* add images. */
fingerprint.append("Images(");
- for (Image image : images) {
+ for (Image image : getImages()) {
if (image.isInserted()) {
fingerprint.append(image.getFingerprint());
}
projects / Sone.git / blobdiff