lyricpanel.java

java+eclipse做的TTPlayer

     * 画出正在拖动的时候的时间,以便更好的掌握进度
     * 这是画出水平方向的拖动时间
     * @param sec 当前的秒数
     * @param g 画笔
     */
    private void drawTimeH(int sec, Graphics g) {
        String s = Util.secondToString(sec);
        int centerX = getWidth() / 2;
        int height = getHeight();

        g.drawLine(centerX - 5, 3, centerX + 5, 3);
        g.drawLine(centerX - 5, height - 3, centerX + 5, height - 3);
        g.drawLine(centerX, 3, centerX, height - 3);
        g.setFont(new Font(Config.getResource("LyricPanel.font"), Font.PLAIN, 14));
        g.setColor(Util.getColor(config.getLyricForeground(), config.getLyricHilight()));
        Util.drawString(g, s, centerX, (height - Util.getStringHeight(s, g)));
    }

    public void run() {
        while (true) {
            try {
                Thread.sleep(config.getRefreshInterval());
                if (pause) {
                    synchronized (lock) {
                        lock.wait();
                    }
                } else {
                    if (ly != null) {
                        ly.setHeight(this.getHeight());
                        ly.setWidth(this.getWidth());
                        ly.setTime(player.getTime());
                        repaint();
                    }
                }
            } catch (Exception exe) {
                exe.printStackTrace();
            }
        }
    }

    public void dragEnter(DropTargetDragEvent dtde) {
        dtde.acceptDrag(DnDConstants.ACTION_COPY_OR_MOVE);
    }

    public void dragOver(DropTargetDragEvent dtde) {
    }

    public void dropActionChanged(DropTargetDragEvent dtde) {
    }

    public void dragExit(DropTargetEvent dte) {
    }

    public void drop(DropTargetDropEvent e) {
        try {
            //得到操作系统的名字，如果是windows，则接受的是DataFlavor.javaFileListFlavor
            //如果是linux则接受的是DataFlavor.stringFlavor
            String os = System.getProperty("os.name");
            if (os.startsWith("Windows")) {
                if (e.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
                    Transferable tr = e.getTransferable();
                    e.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
                    @SuppressWarnings("unchecked")
                    java.util.List<File> s = (java.util.List<File>) tr.getTransferData(
                            DataFlavor.javaFileListFlavor);
                    if (s.size() == 1) {
                        File f = s.get(0);
                        if (f.isFile() && player.getCurrentItem() != null) {
                            ly = new Lyric(f, player.getCurrentItem());
                            ly.setWidth(this.getWidth());
                            ly.setHeight(this.getHeight());
                            player.setLyric(ly);
                        }
                    }
                    e.dropComplete(true);
                }
            } else if (os.startsWith("Linux")) {
                if (e.isDataFlavorSupported(DataFlavor.stringFlavor)) {
                    e.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
                    Transferable tr = e.getTransferable();
                    String[] ss = tr.getTransferData(DataFlavor.stringFlavor).toString().split("\r\n");
                    if (ss.length == 1) {
                        File f = new File(new URI(ss[0]));
                        if (f.isFile() && player.getCurrentItem() != null) {
                            ly = new Lyric(f, player.getCurrentItem());
                            ly.setWidth(this.getWidth());
                            ly.setHeight(this.getHeight());
                            player.setLyric(ly);
                        }
                    }
                    e.dropComplete(true);
                }
            } else {
                e.rejectDrop();
            }
        } catch ( Exception io) {
            io.printStackTrace();
            e.rejectDrop();
        }
    }

    public void setState(int state) {
        if (state == H || state == V) {
            this.state = state;
        }
    }

    public void setResized(boolean b) {
        isResized = b;
    }

    public void mouseClicked(MouseEvent e) {
//        //双击的时候,改变显示风格
//        if (e.getClickCount() == 2) {
//            if (state == H) {
//                state = V;
//            } else {
//                state = H;
//            }
//        }
    }

    public void mousePressed(MouseEvent e) {
        if (ly == null) {
            return;
        }
        if (e.getButton() == MouseEvent.BUTTON1) {
            if (area != null && area.contains(e.getPoint())) {
                try {
                    Desktop.getDesktop().browse(new URI("http://www.blogjava.net/hadeslee"));
                } catch (URISyntaxException ex) {
                    Logger.getLogger(LyricPanel.class.getName()).log(Level.SEVERE, null, ex);
                } catch (IOException ex) {
                    Logger.getLogger(LyricPanel.class.getName()).log(Level.SEVERE, null, ex);
                }
            }
            if (ly != null && ly.canMove()) {
                isPress = true;
                isDrag = false;
                if (state == V) {
                    start = e.getY();
                } else {
                    start = e.getX();
                }
                ly.startMove();
            }
        }
    }

    public void mouseReleased(MouseEvent e) {
        if (ly == null) {
            return;
        }
        //如果是鼠标左键
        if (e.getButton() == MouseEvent.BUTTON1) {
            if (ly.canMove() && isDrag) {
                if (state == H) {
                    end = e.getX();
                } else {
                    end = e.getY();
                }
                long time = ly.getTime();
                player.setTime(time);
                start = end = 0;
            }
            ly.stopMove();
            isPress = false;
            isDrag = false;
        //如果是鼠标右键
        } else if (e.getButton() == MouseEvent.BUTTON3) {
            if (player.getCurrentItem() == null) {
                return;
            }
            JPopupMenu pop = new JPopupMenu();
            Util.generateLyricMenu(pop, this);
            pop.show(this, e.getX(), e.getY());
        }
    }

    /**
     * 隐藏自己
     */
    public void hideMe() {
        player.setShowLyric(false);
    }

    public Lyric getLyric() {
        return ly;
    }

    public void mouseEntered(MouseEvent e) {
        if (ly != null && ly.canMove()) {
            this.setCursor(new Cursor(Cursor.HAND_CURSOR));
        } else {
            this.setCursor(Cursor.getDefaultCursor());
        }
    }

    public void mouseExited(MouseEvent e) {
        this.setCursor(Cursor.getDefaultCursor());
        isOver = false;
    }

    public void mouseWheelMoved(MouseWheelEvent e) {
        if (ly == null) {
            return;
        }
        //只有当配置允许鼠标滚动调整时间才可以
        if (config.isMouseScrollAjustTime()) {
            int adjust = e.getUnitsToScroll() * 100;//每转动一下,移动300毫秒
            ly.adjustTime(adjust);
        }
    }

    public void mouseDragged(MouseEvent e) {
        if (ly == null) {
            return;
        }
        if (ly.canMove() && isPress) {
            isDrag = true;
            if (state == H) {
                end = e.getX();
            } else {
                end = e.getY();
            }
        }
    }

    public void mouseMoved(MouseEvent e) {
        if (area != null && area.contains(e.getPoint())) {
            isOver = true;
            this.setCursor(new Cursor(Cursor.HAND_CURSOR));
        } else {
            isOver = false;
            mouseEntered(e);
        }
    }
}