src/be/nikiroo/fanfix/reader/GuiReaderBook.java

   1 package be.nikiroo.fanfix.reader;
   2
   3 import java.awt.BorderLayout;
   4 import java.awt.Color;
   5 import java.awt.Graphics;
   6 import java.awt.Graphics2D;
   7 import java.awt.Polygon;
   8 import java.awt.Rectangle;
   9 import java.awt.event.MouseEvent;
  10 import java.awt.event.MouseListener;
  11 import java.awt.image.BufferedImage;
  12 import java.io.ByteArrayInputStream;
  13 import java.io.ByteArrayOutputStream;
  14 import java.io.IOException;
  15 import java.io.InputStream;
  16 import java.net.MalformedURLException;
  17 import java.util.ArrayList;
  18 import java.util.Date;
  19 import java.util.EventListener;
  20 import java.util.List;
  21
  22 import javax.imageio.ImageIO;
  23 import javax.swing.ImageIcon;
  24 import javax.swing.JLabel;
  25 import javax.swing.JPanel;
  26
  27 import be.nikiroo.fanfix.Instance;
  28 import be.nikiroo.fanfix.data.MetaData;
  29 import be.nikiroo.fanfix.data.Story;
  30 import be.nikiroo.utils.IOUtils;
  31 import be.nikiroo.utils.ui.UIUtils;
  32
  33 /**
  34  * A book item presented in a {@link GuiReaderFrame}.
  35  *
  36  * @author niki
  37  */
  38 class GuiReaderBook extends JPanel {
  39         /**
  40          * Action on a book item.
  41          *
  42          * @author niki
  43          */
  44         interface BookActionListener extends EventListener {
  45                 /**
  46                  * The book was selected (single click).
  47                  *
  48                  * @param book
  49                  *            the {@link GuiReaderBook} itself
  50                  */
  51                 public void select(GuiReaderBook book);
  52
  53                 /**
  54                  * The book was double-clicked.
  55                  *
  56                  * @param book
  57                  *            the {@link GuiReaderBook} itself
  58                  */
  59                 public void action(GuiReaderBook book);
  60
  61                 /**
  62                  * A popup menu was requested for this {@link GuiReaderBook}.
  63                  *
  64                  * @param book
  65                  *            the {@link GuiReaderBook} itself
  66                  * @param e
  67                  *            the {@link MouseEvent} that generated this call
  68                  */
  69                 public void popupRequested(GuiReaderBook book, MouseEvent e);
  70         }
  71
  72         private static final long serialVersionUID = 1L;
  73
  74         // TODO: export some of the configuration options?
  75         private static final int COVER_WIDTH = 100;
  76         private static final int COVER_HEIGHT = 150;
  77         private static final int SPINE_WIDTH = 5;
  78         private static final int SPINE_HEIGHT = 5;
  79         private static final int HOFFSET = 20;
  80         private static final Color SPINE_COLOR_BOTTOM = new Color(180, 180, 180);
  81         private static final Color SPINE_COLOR_RIGHT = new Color(100, 100, 100);
  82         private static final int TEXT_WIDTH = COVER_WIDTH + 40;
  83         private static final int TEXT_HEIGHT = 50;
  84         private static final String AUTHOR_COLOR = "#888888";
  85         private static final Color BORDER = Color.black;
  86         private static final long doubleClickDelay = 200; // in ms
  87         //
  88
  89         private JLabel icon;
  90         private JLabel title;
  91         private boolean selected;
  92         private boolean hovered;
  93         private Date lastClick;
  94
  95         private List<BookActionListener> listeners;
  96         private Reader reader;
  97         private MetaData meta;
  98         private boolean cached;
  99
 100         /**
 101          * Create a new {@link GuiReaderBook} item for the given {@link Story}.
 102          *
 103          * @param reader
 104          *            the associated reader
 105          * @param meta
 106          *            the story {@link MetaData}
 107          * @param cached
 108          *            TRUE if it is locally cached
 109          * @param seeWordCount
 110          *            TRUE to see word counts, FALSE to see authors
 111          */
 112         public GuiReaderBook(Reader reader, MetaData meta, boolean cached,
 113                         boolean seeWordCount) {
 114                 this.reader = reader;
 115                 this.cached = cached;
 116                 this.meta = meta;
 117
 118                 String optSecondary = meta.getAuthor();
 119                 if (seeWordCount) {
 120                         if (meta.getWords() >= 4000) {
 121                                 optSecondary = (meta.getWords() / 1000) + "k words";
 122                         } else if (meta.getWords() > 0) {
 123                                 optSecondary = meta.getWords() + " words";
 124                         } else {
 125                                 optSecondary = "";
 126                         }
 127                 }
 128
 129                 if (optSecondary != null && !optSecondary.isEmpty()) {
 130                         optSecondary = "(" + optSecondary + ")";
 131                 }
 132
 133                 icon = new JLabel(generateCoverIcon(meta));
 134                 title = new JLabel(
 135                                 String.format(
 136                                                 "<html>"
 137                                                                 + "<body style='width: %d px; height: %d px; text-align: center'>"
 138                                                                 + "%s" + "<br>" + "<span style='color: %s;'>"
 139                                                                 + "%s" + "</span>" + "</body>" + "</html>",
 140                                                 TEXT_WIDTH, TEXT_HEIGHT, meta.getTitle(), AUTHOR_COLOR,
 141                                                 optSecondary));
 142
 143                 setLayout(new BorderLayout(10, 10));
 144                 add(icon, BorderLayout.CENTER);
 145                 add(title, BorderLayout.SOUTH);
 146
 147                 setupListeners();
 148         }
 149
 150         /**
 151          * The book current selection state.
 152          *
 153          * @return the selection state
 154          */
 155         public boolean isSelected() {
 156                 return selected;
 157         }
 158
 159         /**
 160          * The book current selection state.
 161          *
 162          * @param selected
 163          *            TRUE if it is selected
 164          */
 165         public void setSelected(boolean selected) {
 166                 if (this.selected != selected) {
 167                         this.selected = selected;
 168                         repaint();
 169                 }
 170         }
 171
 172         /**
 173          * The item mouse-hover state.
 174          *
 175          * @param hovered
 176          *            TRUE if it is mouse-hovered
 177          */
 178         private void setHovered(boolean hovered) {
 179                 if (this.hovered != hovered) {
 180                         this.hovered = hovered;
 181                         repaint();
 182                 }
 183         }
 184
 185         /**
 186          * Setup the mouse listener that will activate {@link BookActionListener}
 187          * events.
 188          */
 189         private void setupListeners() {
 190                 listeners = new ArrayList<GuiReaderBook.BookActionListener>();
 191                 addMouseListener(new MouseListener() {
 192                         public void mouseReleased(MouseEvent e) {
 193                                 if (e.isPopupTrigger()) {
 194                                         popup(e);
 195                                 }
 196                         }
 197
 198                         public void mousePressed(MouseEvent e) {
 199                                 if (e.isPopupTrigger()) {
 200                                         popup(e);
 201                                 }
 202                         }
 203
 204                         public void mouseExited(MouseEvent e) {
 205                                 setHovered(false);
 206                         }
 207
 208                         public void mouseEntered(MouseEvent e) {
 209                                 setHovered(true);
 210                         }
 211
 212                         public void mouseClicked(MouseEvent e) {
 213                                 if (isEnabled()) {
 214                                         Date now = new Date();
 215                                         if (lastClick != null
 216                                                         && now.getTime() - lastClick.getTime() < doubleClickDelay) {
 217                                                 click(true);
 218                                         } else {
 219                                                 click(false);
 220                                         }
 221
 222                                         lastClick = now;
 223                                 }
 224                         }
 225
 226                         private void click(boolean doubleClick) {
 227                                 for (BookActionListener listener : listeners) {
 228                                         if (doubleClick) {
 229                                                 listener.action(GuiReaderBook.this);
 230                                         } else {
 231                                                 listener.select(GuiReaderBook.this);
 232                                         }
 233                                 }
 234                         }
 235
 236                         private void popup(MouseEvent e) {
 237                                 for (BookActionListener listener : listeners) {
 238                                         listener.select((GuiReaderBook.this));
 239                                         listener.popupRequested(GuiReaderBook.this, e);
 240                                 }
 241                         }
 242                 });
 243         }
 244
 245         /**
 246          * Add a new {@link BookActionListener} on this item.
 247          *
 248          * @param listener
 249          *            the listener
 250          */
 251         public void addActionListener(BookActionListener listener) {
 252                 listeners.add(listener);
 253         }
 254
 255         /**
 256          * The Library {@link MetaData} of the book represented by this item.
 257          *
 258          * @return the meta
 259          */
 260         public MetaData getMeta() {
 261                 return meta;
 262         }
 263
 264         /**
 265          * This item {@link GuiReader} library cache state.
 266          *
 267          * @return TRUE if it is present in the {@link GuiReader} cache
 268          */
 269         public boolean isCached() {
 270                 return cached;
 271         }
 272
 273         /**
 274          * This item {@link GuiReader} library cache state.
 275          *
 276          * @param cached
 277          *            TRUE if it is present in the {@link GuiReader} cache
 278          */
 279         public void setCached(boolean cached) {
 280                 if (this.cached != cached) {
 281                         this.cached = cached;
 282                         repaint();
 283                 }
 284         }
 285
 286         /**
 287          * Paint the item, then call {@link GuiReaderBook#paintOverlay(Graphics)}.
 288          */
 289         @Override
 290         public void paint(Graphics g) {
 291                 super.paint(g);
 292                 paintOverlay(g);
 293         }
 294
 295         /**
 296          * Draw a partially transparent overlay if needed depending upon the
 297          * selection and mouse-hover states on top of the normal component, as well
 298          * as a possible "cached" icon if the item is cached.
 299          *
 300          * @param g
 301          *            the {@link Graphics} to paint onto
 302          */
 303         public void paintOverlay(Graphics g) {
 304                 Rectangle clip = g.getClipBounds();
 305                 if (clip.getWidth() <= 0 || clip.getHeight() <= 0) {
 306                         return;
 307                 }
 308
 309                 int h = COVER_HEIGHT;
 310                 int w = COVER_WIDTH;
 311                 int xOffset = (TEXT_WIDTH - COVER_WIDTH) - 1;
 312                 int yOffset = HOFFSET;
 313
 314                 if (BORDER != null) {
 315                         if (BORDER != null) {
 316                                 g.setColor(BORDER);
 317                                 g.drawRect(xOffset, yOffset, COVER_WIDTH, COVER_HEIGHT);
 318                         }
 319
 320                         xOffset++;
 321                         yOffset++;
 322                 }
 323
 324                 int[] xs = new int[] { xOffset, xOffset + SPINE_WIDTH,
 325                                 xOffset + w + SPINE_WIDTH, xOffset + w };
 326                 int[] ys = new int[] { yOffset + h, yOffset + h + SPINE_HEIGHT,
 327                                 yOffset + h + SPINE_HEIGHT, yOffset + h };
 328                 g.setColor(SPINE_COLOR_BOTTOM);
 329                 g.fillPolygon(new Polygon(xs, ys, xs.length));
 330                 xs = new int[] { xOffset + w, xOffset + w + SPINE_WIDTH,
 331                                 xOffset + w + SPINE_WIDTH, xOffset + w };
 332                 ys = new int[] { yOffset, yOffset + SPINE_HEIGHT,
 333                                 yOffset + h + SPINE_HEIGHT, yOffset + h };
 334                 g.setColor(SPINE_COLOR_RIGHT);
 335                 g.fillPolygon(new Polygon(xs, ys, xs.length));
 336
 337                 Color color = new Color(255, 255, 255, 0);
 338                 if (!isEnabled()) {
 339                 } else if (selected && !hovered) {
 340                         color = new Color(80, 80, 100, 40);
 341                 } else if (!selected && hovered) {
 342                         color = new Color(230, 230, 255, 100);
 343                 } else if (selected && hovered) {
 344                         color = new Color(200, 200, 255, 100);
 345                 }
 346
 347                 g.setColor(color);
 348                 g.fillRect(clip.x, clip.y, clip.width, clip.height);
 349
 350                 if (cached) {
 351                         UIUtils.drawEllipse3D(g, Color.green.darker(), COVER_WIDTH
 352                                         + HOFFSET + 30, 10, 20, 20);
 353                 }
 354         }
 355
 356         /**
 357          * Generate a cover icon based upon the given {@link MetaData}.
 358          *
 359          * @param meta
 360          *            the {@link MetaData} about the target {@link Story}
 361          *
 362          * @return the icon
 363          */
 364         private ImageIcon generateCoverIcon(MetaData meta) {
 365                 String id = meta.getUuid() + ".thumb_" + SPINE_WIDTH + "x"
 366                                 + COVER_WIDTH + "+" + SPINE_HEIGHT + "+" + COVER_HEIGHT + "@"
 367                                 + HOFFSET;
 368                 BufferedImage resizedImage = null;
 369
 370                 InputStream in = Instance.getCache().getFromCache(id);
 371                 if (in != null) {
 372                         try {
 373                                 resizedImage = IOUtils.toImage(in);
 374                                 in.close();
 375                                 in = null;
 376                         } catch (IOException e) {
 377                                 Instance.syserr(e);
 378                         }
 379                 }
 380
 381                 if (resizedImage == null) {
 382                         try {
 383                                 BufferedImage cover = reader.getLibrary().getCover(
 384                                                 meta.getLuid());
 385
 386                                 resizedImage = new BufferedImage(SPINE_WIDTH + COVER_WIDTH,
 387                                                 SPINE_HEIGHT + COVER_HEIGHT + HOFFSET,
 388                                                 BufferedImage.TYPE_4BYTE_ABGR);
 389                                 Graphics2D g = resizedImage.createGraphics();
 390                                 g.setColor(Color.white);
 391                                 g.fillRect(0, HOFFSET, COVER_WIDTH, COVER_HEIGHT);
 392                                 if (cover != null) {
 393                                         g.drawImage(cover, 0, HOFFSET, COVER_WIDTH, COVER_HEIGHT,
 394                                                         null);
 395                                 } else {
 396                                         g.setColor(Color.black);
 397                                         g.drawLine(0, HOFFSET, COVER_WIDTH, HOFFSET + COVER_HEIGHT);
 398                                         g.drawLine(COVER_WIDTH, HOFFSET, 0, HOFFSET + COVER_HEIGHT);
 399                                 }
 400                                 g.dispose();
 401
 402                                 ByteArrayOutputStream out = new ByteArrayOutputStream();
 403                                 ImageIO.write(resizedImage, "png", out);
 404                                 byte[] imageBytes = out.toByteArray();
 405                                 in = new ByteArrayInputStream(imageBytes);
 406                                 Instance.getCache().addToCache(in, id);
 407                                 in.close();
 408                                 in = null;
 409                         } catch (MalformedURLException e) {
 410                                 Instance.syserr(e);
 411                         } catch (IOException e) {
 412                                 Instance.syserr(e);
 413                         }
 414                 }
 415
 416                 return new ImageIcon(resizedImage);
 417         }
 418 }