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.Graphics2D;
   6 import java.awt.event.MouseEvent;
   7 import java.awt.event.MouseListener;
   8 import java.awt.image.BufferedImage;
   9 import java.util.ArrayList;
  10 import java.util.Date;
  11 import java.util.EventListener;
  12 import java.util.List;
  13
  14 import javax.swing.ImageIcon;
  15 import javax.swing.JLabel;
  16 import javax.swing.JPanel;
  17
  18 import be.nikiroo.fanfix.data.MetaData;
  19
  20 /**
  21  * A book item presented in a {@link LocalReaderFrame}.
  22  *
  23  * @author niki
  24  */
  25 class LocalReaderBook extends JPanel {
  26         /**
  27          * Action on a book item.
  28          *
  29          * @author niki
  30          */
  31         interface BookActionListner extends EventListener {
  32                 /**
  33                  * The book was selected (single click).
  34                  *
  35                  * @param book
  36                  *            the {@link LocalReaderBook} itself
  37                  */
  38                 public void select(LocalReaderBook book);
  39
  40                 /**
  41                  * The book was double-clicked.
  42                  *
  43                  * @param book
  44                  *            the {@link LocalReaderBook} itself
  45                  */
  46                 public void action(LocalReaderBook book);
  47         }
  48
  49         private static final long serialVersionUID = 1L;
  50         private JLabel icon;
  51         private JLabel title;
  52         private JLabel author;
  53         private boolean selected;
  54         private boolean hovered;
  55         private Date lastClick;
  56         private long doubleClickDelay = 200; // in ms
  57         private List<BookActionListner> listeners;
  58
  59         public LocalReaderBook(MetaData meta) {
  60                 if (meta.getCover() != null) {
  61                         BufferedImage resizedImage = new BufferedImage(100, 150,
  62                                         BufferedImage.TYPE_4BYTE_ABGR);
  63                         Graphics2D g = resizedImage.createGraphics();
  64                         g.drawImage(meta.getCover(), 0, 0, 100, 150, null);
  65                         g.dispose();
  66
  67                         icon = new JLabel(new ImageIcon(resizedImage));
  68                 } else {
  69                         icon = new JLabel(" [ no cover ] ");
  70                 }
  71
  72                 title = new JLabel(meta.getTitle());
  73                 author = new JLabel("by " + meta.getAuthor());
  74
  75                 this.setLayout(new BorderLayout());
  76                 this.add(icon, BorderLayout.CENTER);
  77                 this.add(title, BorderLayout.SOUTH);
  78
  79                 setupListeners();
  80                 setSelected(false);
  81         }
  82
  83         /**
  84          * The book current selection state.
  85          *
  86          * @return the selected
  87          */
  88         public boolean isSelected() {
  89                 return selected;
  90         }
  91
  92         /**
  93          * The book current selection state.
  94          *
  95          * @param selected
  96          *            the selected to set
  97          */
  98         public void setSelected(boolean selected) {
  99                 this.selected = selected;
 100                 fixColor();
 101         }
 102
 103         private void setHovered(boolean hovered) {
 104                 this.hovered = hovered;
 105                 fixColor();
 106         }
 107
 108         private void fixColor() {
 109                 if (selected && !hovered) {
 110                         setBackground(new Color(180, 180, 255));
 111                 } else if (!selected && hovered) {
 112                         setBackground(new Color(230, 230, 255));
 113                 } else if (selected && hovered) {
 114                         setBackground(new Color(200, 200, 255));
 115                 } else {
 116                         setBackground(new Color(255, 255, 255));
 117                 }
 118         }
 119
 120         private void setupListeners() {
 121                 listeners = new ArrayList<LocalReaderBook.BookActionListner>();
 122                 addMouseListener(new MouseListener() {
 123                         public void mouseReleased(MouseEvent e) {
 124                         }
 125
 126                         public void mousePressed(MouseEvent e) {
 127                         }
 128
 129                         public void mouseExited(MouseEvent e) {
 130                                 setHovered(false);
 131                         }
 132
 133                         public void mouseEntered(MouseEvent e) {
 134                                 setHovered(true);
 135                         }
 136
 137                         public void mouseClicked(MouseEvent e) {
 138                                 Date now = new Date();
 139                                 if (lastClick != null
 140                                                 && now.getTime() - lastClick.getTime() < doubleClickDelay) {
 141                                         click(true);
 142                                 } else {
 143                                         click(false);
 144                                 }
 145                                 lastClick = now;
 146                         }
 147                 });
 148         }
 149
 150         private void click(boolean doubleClick) {
 151                 for (BookActionListner listener : listeners) {
 152                         if (doubleClick) {
 153                                 listener.action(this);
 154                         } else {
 155                                 listener.select(this);
 156                         }
 157                 }
 158         }
 159
 160         public void addActionListener(BookActionListner listener) {
 161                 listeners.add(listener);
 162         }
 163 }