src/be/nikiroo/fanfix/reader/LocalReaderBook.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.util.ArrayList;
  13 import java.util.Date;
  14 import java.util.EventListener;
  15 import java.util.List;
  16
  17 import javax.swing.ImageIcon;
  18 import javax.swing.JLabel;
  19 import javax.swing.JPanel;
  20
  21 import be.nikiroo.fanfix.data.MetaData;
  22
  23 /**
  24  * A book item presented in a {@link LocalReaderFrame}.
  25  *
  26  * @author niki
  27  */
  28 class LocalReaderBook extends JPanel {
  29         /**
  30          * Action on a book item.
  31          *
  32          * @author niki
  33          */
  34         interface BookActionListner extends EventListener {
  35                 /**
  36                  * The book was selected (single click).
  37                  *
  38                  * @param book
  39                  *            the {@link LocalReaderBook} itself
  40                  */
  41                 public void select(LocalReaderBook book);
  42
  43                 /**
  44                  * The book was double-clicked.
  45                  *
  46                  * @param book
  47                  *            the {@link LocalReaderBook} itself
  48                  */
  49                 public void action(LocalReaderBook book);
  50         }
  51
  52         private static final int COVER_WIDTH = 100;
  53         private static final int COVER_HEIGHT = 150;
  54         private static final int SPINE_WIDTH = 5;
  55         private static final int SPINE_HEIGHT = 5;
  56         private static final int HOFFSET = 20;
  57         private static final Color SPINE_COLOR_BOTTOM = new Color(180, 180, 180);
  58         private static final Color SPINE_COLOR_RIGHT = new Color(100, 100, 100);
  59         private static final int TEXT_WIDTH = COVER_WIDTH + 40;
  60         private static final int TEXT_HEIGHT = 50;
  61         private static final String AUTHOR_COLOR = "#888888";
  62
  63         private static final long serialVersionUID = 1L;
  64         private JLabel icon;
  65         private JLabel tt;
  66         private boolean selected;
  67         private boolean hovered;
  68         private Date lastClick;
  69         private long doubleClickDelay = 200; // in ms
  70         private List<BookActionListner> listeners;
  71
  72         public LocalReaderBook(MetaData meta) {
  73                 if (meta.getCover() != null) {
  74                         BufferedImage resizedImage = new BufferedImage(SPINE_WIDTH
  75                                         + COVER_WIDTH, SPINE_HEIGHT + COVER_HEIGHT + HOFFSET,
  76                                         BufferedImage.TYPE_4BYTE_ABGR);
  77                         Graphics2D g = resizedImage.createGraphics();
  78                         g.setColor(Color.white);
  79                         g.fillRect(0, HOFFSET, COVER_WIDTH, COVER_HEIGHT);
  80                         g.drawImage(meta.getCover(), 0, HOFFSET, COVER_WIDTH, COVER_HEIGHT,
  81                                         null);
  82                         g.dispose();
  83
  84                         icon = new JLabel(new ImageIcon(resizedImage));
  85                 } else {
  86                         // TODO: a big black "X" ?
  87                         icon = new JLabel(" [ no cover ] ");
  88                 }
  89
  90                 String optAuthor = meta.getAuthor();
  91                 if (optAuthor != null && !optAuthor.isEmpty()) {
  92                         optAuthor = "(" + optAuthor + ")";
  93                 }
  94                 tt = new JLabel(
  95                                 String.format(
  96                                                 "<html>"
  97                                                                 + "<body style='width: %d px; height: %d px; text-align: center'>"
  98                                                                 + "%s" + "<br>" + "<span style='color: %s;'>"
  99                                                                 + "%s" + "</span>" + "</body>" + "</html>",
 100                                                 TEXT_WIDTH, TEXT_HEIGHT, meta.getTitle(), AUTHOR_COLOR,
 101                                                 optAuthor));
 102
 103                 this.setLayout(new BorderLayout(10, 10));
 104                 this.add(icon, BorderLayout.CENTER);
 105                 this.add(tt, BorderLayout.SOUTH);
 106
 107                 setupListeners();
 108                 setSelected(false);
 109         }
 110
 111         /**
 112          * The book current selection state.
 113          *
 114          * @return the selected
 115          */
 116         public boolean isSelected() {
 117                 return selected;
 118         }
 119
 120         /**
 121          * The book current selection state.
 122          *
 123          * @param selected
 124          *            the selected to set
 125          */
 126         public void setSelected(boolean selected) {
 127                 this.selected = selected;
 128                 repaint();
 129         }
 130
 131         private void setHovered(boolean hovered) {
 132                 this.hovered = hovered;
 133                 repaint();
 134         }
 135
 136         private void setupListeners() {
 137                 listeners = new ArrayList<LocalReaderBook.BookActionListner>();
 138                 addMouseListener(new MouseListener() {
 139                         public void mouseReleased(MouseEvent e) {
 140                         }
 141
 142                         public void mousePressed(MouseEvent e) {
 143                         }
 144
 145                         public void mouseExited(MouseEvent e) {
 146                                 setHovered(false);
 147                         }
 148
 149                         public void mouseEntered(MouseEvent e) {
 150                                 setHovered(true);
 151                         }
 152
 153                         public void mouseClicked(MouseEvent e) {
 154                                 Date now = new Date();
 155                                 if (lastClick != null
 156                                                 && now.getTime() - lastClick.getTime() < doubleClickDelay) {
 157                                         click(true);
 158                                 } else {
 159                                         click(false);
 160                                 }
 161                                 lastClick = now;
 162                         }
 163                 });
 164         }
 165
 166         private void click(boolean doubleClick) {
 167                 for (BookActionListner listener : listeners) {
 168                         if (doubleClick) {
 169                                 listener.action(this);
 170                         } else {
 171                                 listener.select(this);
 172                         }
 173                 }
 174         }
 175
 176         public void addActionListener(BookActionListner listener) {
 177                 listeners.add(listener);
 178         }
 179
 180         @Override
 181         public void paint(Graphics g) {
 182                 super.paint(g);
 183
 184                 int h = COVER_HEIGHT;
 185                 int w = COVER_WIDTH;
 186                 int xOffset = (TEXT_WIDTH - COVER_WIDTH) - 4;
 187
 188                 int[] xs = new int[] { xOffset, xOffset + SPINE_WIDTH,
 189                                 xOffset + w + SPINE_WIDTH, xOffset + w };
 190                 int[] ys = new int[] { HOFFSET + h, HOFFSET + h + SPINE_HEIGHT,
 191                                 HOFFSET + h + SPINE_HEIGHT, HOFFSET + h };
 192                 g.setColor(SPINE_COLOR_BOTTOM);
 193                 g.fillPolygon(new Polygon(xs, ys, xs.length));
 194                 xs = new int[] { xOffset + w, xOffset + w + SPINE_WIDTH,
 195                                 xOffset + w + SPINE_WIDTH, xOffset + w };
 196                 ys = new int[] { HOFFSET, HOFFSET + SPINE_HEIGHT,
 197                                 HOFFSET + h + SPINE_HEIGHT, HOFFSET + h };
 198                 g.setColor(SPINE_COLOR_RIGHT);
 199                 g.fillPolygon(new Polygon(xs, ys, xs.length));
 200
 201                 Color color = new Color(255, 255, 255, 0);
 202                 if (selected && !hovered) {
 203                         color = new Color(80, 80, 100, 40);
 204                 } else if (!selected && hovered) {
 205                         color = new Color(230, 230, 255, 100);
 206                 } else if (selected && hovered) {
 207                         color = new Color(200, 200, 255, 100);
 208                 }
 209
 210                 Rectangle clip = g.getClipBounds();
 211                 g.setColor(color);
 212                 g.fillRect(clip.x, clip.y, clip.width, clip.height);
 213         }
 214 }