Remove or move java.awt dependencies
[fanfix.git] / src / be / nikiroo / fanfix / reader / ui / GuiReaderBook.java
diff --git a/src/be/nikiroo/fanfix/reader/ui/GuiReaderBook.java b/src/be/nikiroo/fanfix/reader/ui/GuiReaderBook.java
new file mode 100644 (file)
index 0000000..4343ca5
--- /dev/null
@@ -0,0 +1,477 @@
+package be.nikiroo.fanfix.reader.ui;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.Polygon;
+import java.awt.Rectangle;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.MalformedURLException;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.EventListener;
+import java.util.List;
+
+import javax.imageio.ImageIO;
+import javax.swing.ImageIcon;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+
+import be.nikiroo.fanfix.Instance;
+import be.nikiroo.fanfix.data.MetaData;
+import be.nikiroo.fanfix.data.Story;
+import be.nikiroo.fanfix.reader.Reader;
+import be.nikiroo.utils.Image;
+import be.nikiroo.utils.ui.ImageUtilsAwt;
+import be.nikiroo.utils.ui.UIUtils;
+
+/**
+ * A book item presented in a {@link GuiReaderFrame}.
+ * 
+ * @author niki
+ */
+class GuiReaderBook extends JPanel {
+       /**
+        * Action on a book item.
+        * 
+        * @author niki
+        */
+       interface BookActionListener extends EventListener {
+               /**
+                * The book was selected (single click).
+                * 
+                * @param book
+                *            the {@link GuiReaderBook} itself
+                */
+               public void select(GuiReaderBook book);
+
+               /**
+                * The book was double-clicked.
+                * 
+                * @param book
+                *            the {@link GuiReaderBook} itself
+                */
+               public void action(GuiReaderBook book);
+
+               /**
+                * A popup menu was requested for this {@link GuiReaderBook}.
+                * 
+                * @param book
+                *            the {@link GuiReaderBook} itself
+                * @param e
+                *            the {@link MouseEvent} that generated this call
+                */
+               public void popupRequested(GuiReaderBook book, MouseEvent e);
+       }
+
+       private static final long serialVersionUID = 1L;
+
+       // TODO: export some of the configuration options?
+       private static final int COVER_WIDTH = 100;
+       private static final int COVER_HEIGHT = 150;
+       private static final int SPINE_WIDTH = 5;
+       private static final int SPINE_HEIGHT = 5;
+       private static final int HOFFSET = 20;
+       private static final Color SPINE_COLOR_BOTTOM = new Color(180, 180, 180);
+       private static final Color SPINE_COLOR_RIGHT = new Color(100, 100, 100);
+       private static final int TEXT_WIDTH = COVER_WIDTH + 40;
+       private static final int TEXT_HEIGHT = 50;
+       private static final String AUTHOR_COLOR = "#888888";
+       private static final Color BORDER = Color.black;
+       private static final long doubleClickDelay = 200; // in ms
+       //
+
+       private JLabel icon;
+       private JLabel title;
+       private boolean selected;
+       private boolean hovered;
+       private Date lastClick;
+
+       private List<BookActionListener> listeners;
+       private Reader reader;
+       private MetaData meta;
+       private boolean cached;
+
+       /**
+        * Create a new {@link GuiReaderBook} item for the given {@link Story}.
+        * 
+        * @param reader
+        *            the associated reader
+        * @param meta
+        *            the story {@link MetaData} or source (if no LUID)
+        * @param cached
+        *            TRUE if it is locally cached
+        * @param seeWordCount
+        *            TRUE to see word counts, FALSE to see authors
+        */
+       public GuiReaderBook(Reader reader, MetaData meta, boolean cached,
+                       boolean seeWordCount) {
+               this.reader = reader;
+               this.cached = cached;
+               this.meta = meta;
+
+               String optSecondary = meta.getAuthor();
+               if (seeWordCount) {
+                       if (meta.getWords() >= 4000) {
+                               optSecondary = "" + (meta.getWords() / 1000) + "k";
+                       } else if (meta.getWords() > 0) {
+                               optSecondary = "" + meta.getWords();
+                       } else {
+                               optSecondary = "";
+                       }
+
+                       if (!optSecondary.isEmpty()) {
+                               if (meta.isImageDocument()) {
+                                       optSecondary += " images";
+                               } else {
+                                       optSecondary += " words";
+                               }
+                       }
+               }
+
+               if (optSecondary != null && !optSecondary.isEmpty()) {
+                       optSecondary = "(" + optSecondary + ")";
+               } else {
+                       optSecondary = "";
+               }
+
+               icon = new JLabel(generateCoverIcon());
+               title = new JLabel(
+                               String.format(
+                                               "<html>"
+                                                               + "<body style='width: %d px; height: %d px; text-align: center'>"
+                                                               + "%s" + "<br>" + "<span style='color: %s;'>"
+                                                               + "%s" + "</span>" + "</body>" + "</html>",
+                                               TEXT_WIDTH, TEXT_HEIGHT, meta.getTitle(), AUTHOR_COLOR,
+                                               optSecondary));
+
+               setLayout(new BorderLayout(10, 10));
+               add(icon, BorderLayout.CENTER);
+               add(title, BorderLayout.SOUTH);
+
+               setupListeners();
+       }
+
+       /**
+        * The book current selection state.
+        * 
+        * @return the selection state
+        */
+       public boolean isSelected() {
+               return selected;
+       }
+
+       /**
+        * The book current selection state.
+        * 
+        * @param selected
+        *            TRUE if it is selected
+        */
+       public void setSelected(boolean selected) {
+               if (this.selected != selected) {
+                       this.selected = selected;
+                       repaint();
+               }
+       }
+
+       /**
+        * The item mouse-hover state.
+        * 
+        * @param hovered
+        *            TRUE if it is mouse-hovered
+        */
+       private void setHovered(boolean hovered) {
+               if (this.hovered != hovered) {
+                       this.hovered = hovered;
+                       repaint();
+               }
+       }
+
+       /**
+        * Setup the mouse listener that will activate {@link BookActionListener}
+        * events.
+        */
+       private void setupListeners() {
+               listeners = new ArrayList<GuiReaderBook.BookActionListener>();
+               addMouseListener(new MouseListener() {
+                       @Override
+                       public void mouseReleased(MouseEvent e) {
+                               if (e.isPopupTrigger()) {
+                                       popup(e);
+                               }
+                       }
+
+                       @Override
+                       public void mousePressed(MouseEvent e) {
+                               if (e.isPopupTrigger()) {
+                                       popup(e);
+                               }
+                       }
+
+                       @Override
+                       public void mouseExited(MouseEvent e) {
+                               setHovered(false);
+                       }
+
+                       @Override
+                       public void mouseEntered(MouseEvent e) {
+                               setHovered(true);
+                       }
+
+                       @Override
+                       public void mouseClicked(MouseEvent e) {
+                               if (isEnabled()) {
+                                       Date now = new Date();
+                                       if (lastClick != null
+                                                       && now.getTime() - lastClick.getTime() < doubleClickDelay) {
+                                               click(true);
+                                       } else {
+                                               click(false);
+                                       }
+
+                                       lastClick = now;
+                               }
+                       }
+
+                       private void click(boolean doubleClick) {
+                               for (BookActionListener listener : listeners) {
+                                       if (doubleClick) {
+                                               listener.action(GuiReaderBook.this);
+                                       } else {
+                                               listener.select(GuiReaderBook.this);
+                                       }
+                               }
+                       }
+
+                       private void popup(MouseEvent e) {
+                               for (BookActionListener listener : listeners) {
+                                       listener.select((GuiReaderBook.this));
+                                       listener.popupRequested(GuiReaderBook.this, e);
+                               }
+                       }
+               });
+       }
+
+       /**
+        * Add a new {@link BookActionListener} on this item.
+        * 
+        * @param listener
+        *            the listener
+        */
+       public void addActionListener(BookActionListener listener) {
+               listeners.add(listener);
+       }
+
+       /**
+        * The Library {@link MetaData} of the book represented by this item.
+        * 
+        * @return the meta
+        */
+       public MetaData getMeta() {
+               return meta;
+       }
+
+       /**
+        * This item {@link GuiReader} library cache state.
+        * 
+        * @return TRUE if it is present in the {@link GuiReader} cache
+        */
+       public boolean isCached() {
+               return cached;
+       }
+
+       /**
+        * This item {@link GuiReader} library cache state.
+        * 
+        * @param cached
+        *            TRUE if it is present in the {@link GuiReader} cache
+        */
+       public void setCached(boolean cached) {
+               if (this.cached != cached) {
+                       this.cached = cached;
+                       repaint();
+               }
+       }
+
+       /**
+        * Paint the item, then call {@link GuiReaderBook#paintOverlay(Graphics)}.
+        */
+       @Override
+       public void paint(Graphics g) {
+               super.paint(g);
+               paintOverlay(g);
+       }
+
+       /**
+        * Draw a partially transparent overlay if needed depending upon the
+        * selection and mouse-hover states on top of the normal component, as well
+        * as a possible "cached" icon if the item is cached.
+        * 
+        * @param g
+        *            the {@link Graphics} to paint onto
+        */
+       public void paintOverlay(Graphics g) {
+               Rectangle clip = g.getClipBounds();
+               if (clip.getWidth() <= 0 || clip.getHeight() <= 0) {
+                       return;
+               }
+
+               int h = COVER_HEIGHT;
+               int w = COVER_WIDTH;
+               int xOffset = (TEXT_WIDTH - COVER_WIDTH) - 1;
+               int yOffset = HOFFSET;
+
+               if (BORDER != null) {
+                       if (BORDER != null) {
+                               g.setColor(BORDER);
+                               g.drawRect(xOffset, yOffset, COVER_WIDTH, COVER_HEIGHT);
+                       }
+
+                       xOffset++;
+                       yOffset++;
+               }
+
+               int[] xs = new int[] { xOffset, xOffset + SPINE_WIDTH,
+                               xOffset + w + SPINE_WIDTH, xOffset + w };
+               int[] ys = new int[] { yOffset + h, yOffset + h + SPINE_HEIGHT,
+                               yOffset + h + SPINE_HEIGHT, yOffset + h };
+               g.setColor(SPINE_COLOR_BOTTOM);
+               g.fillPolygon(new Polygon(xs, ys, xs.length));
+               xs = new int[] { xOffset + w, xOffset + w + SPINE_WIDTH,
+                               xOffset + w + SPINE_WIDTH, xOffset + w };
+               ys = new int[] { yOffset, yOffset + SPINE_HEIGHT,
+                               yOffset + h + SPINE_HEIGHT, yOffset + h };
+               g.setColor(SPINE_COLOR_RIGHT);
+               g.fillPolygon(new Polygon(xs, ys, xs.length));
+
+               Color color = new Color(255, 255, 255, 0);
+               if (!isEnabled()) {
+               } else if (selected && !hovered) {
+                       color = new Color(80, 80, 100, 40);
+               } else if (!selected && hovered) {
+                       color = new Color(230, 230, 255, 100);
+               } else if (selected && hovered) {
+                       color = new Color(200, 200, 255, 100);
+               }
+
+               g.setColor(color);
+               g.fillRect(clip.x, clip.y, clip.width, clip.height);
+
+               if (cached) {
+                       UIUtils.drawEllipse3D(g, Color.green.darker(), COVER_WIDTH
+                                       + HOFFSET + 30, 10, 20, 20);
+               }
+       }
+
+       /**
+        * Generate a cover icon based upon the given {@link MetaData}.
+        * 
+        * @return the icon
+        */
+       private ImageIcon generateCoverIcon() {
+               BufferedImage resizedImage = null;
+               String id = getIconId(meta);
+
+               InputStream in = Instance.getCache().getFromCache(id);
+               if (in != null) {
+                       try {
+                               resizedImage = ImageUtilsAwt.fromImage(new Image(in));
+                               in.close();
+                               in = null;
+                       } catch (IOException e) {
+                               Instance.getTraceHandler().error(e);
+                       }
+               }
+
+               if (resizedImage == null) {
+                       try {
+                               Image cover = null;
+                               if (meta.getLuid() == null) {
+                                       cover = reader.getLibrary()
+                                                       .getSourceCover(meta.getSource());
+                               } else {
+                                       cover = reader.getLibrary().getCover(meta.getLuid());
+                               }
+
+                               BufferedImage coverb = ImageUtilsAwt.fromImage(cover);
+
+                               resizedImage = new BufferedImage(SPINE_WIDTH + COVER_WIDTH,
+                                               SPINE_HEIGHT + COVER_HEIGHT + HOFFSET,
+                                               BufferedImage.TYPE_4BYTE_ABGR);
+                               Graphics2D g = resizedImage.createGraphics();
+                               g.setColor(Color.white);
+                               g.fillRect(0, HOFFSET, COVER_WIDTH, COVER_HEIGHT);
+                               if (cover != null) {
+                                       g.drawImage(coverb, 0, HOFFSET, COVER_WIDTH, COVER_HEIGHT,
+                                                       null);
+                               } else {
+                                       g.setColor(Color.black);
+                                       g.drawLine(0, HOFFSET, COVER_WIDTH, HOFFSET + COVER_HEIGHT);
+                                       g.drawLine(COVER_WIDTH, HOFFSET, 0, HOFFSET + COVER_HEIGHT);
+                               }
+                               g.dispose();
+
+                               if (id != null) {
+                                       ByteArrayOutputStream out = new ByteArrayOutputStream();
+                                       ImageIO.write(resizedImage, "png", out);
+                                       byte[] imageBytes = out.toByteArray();
+                                       in = new ByteArrayInputStream(imageBytes);
+                                       Instance.getCache().addToCache(in, id);
+                                       in.close();
+                                       in = null;
+                               }
+                       } catch (MalformedURLException e) {
+                               Instance.getTraceHandler().error(e);
+                       } catch (IOException e) {
+                               Instance.getTraceHandler().error(e);
+                       }
+               }
+
+               if (resizedImage != null) {
+                       return new ImageIcon(resizedImage);
+               }
+
+               return null;
+       }
+
+       /**
+        * Manually clear the icon set for this item.
+        * 
+        * @param meta
+        *            the meta of the story or source (if luid is null)
+        */
+       public static void clearIcon(MetaData meta) {
+               String id = getIconId(meta);
+               Instance.getCache().removeFromCache(id);
+       }
+
+       /**
+        * Get a unique ID from this meta (note that if the luid is null, it is
+        * considered a source and not a {@link Story}).
+        * 
+        * @param meta
+        *            the meta
+        * @return the unique ID
+        */
+       private static String getIconId(MetaData meta) {
+               String id = null;
+
+               String key = meta.getUuid();
+               if (meta.getLuid() == null) {
+                       // a fake meta (== a source)
+                       key = "source_" + meta.getSource();
+               }
+
+               id = key + ".thumb_" + SPINE_WIDTH + "x" + COVER_WIDTH + "+"
+                               + SPINE_HEIGHT + "+" + COVER_HEIGHT + "@" + HOFFSET;
+
+               return id;
+       }
+}