/** * Create a new {@link HoverCellRenderer} instance. * * @param list The list this renderer works for. */ public HoverCellRenderer(final JList list) { panel = new HoverPanel(new BorderLayout()); myList = list; list.addMouseListener(this); list.addMouseMotionListener(this); }
@Override public void updateUI() { if (Objects.nonNull(cbml)) { JList<?> list = getList(); if (Objects.nonNull(list)) { list.removeMouseListener(cbml); list.removeMouseMotionListener(cbml); } } super.updateUI(); setRenderer(new ButtonsRenderer<E>(this)); JList<?> list = getList(); if (Objects.nonNull(list)) { cbml = new CellButtonsMouseListener(); list.addMouseListener(cbml); list.addMouseMotionListener(cbml); } }
private MainPanel() { super(new BorderLayout()); DefaultListModel<String> model = new DefaultListModel<>(); model.addElement("11\n1"); model.addElement("222222222222222\n222222222222222"); model.addElement("3333333333333333333\n33333333333333333333\n33333333333333333"); model.addElement("444"); JList<String> list = new JList<>(model); list.setFixedCellHeight(-1); CellButtonsMouseListener cbml = new CellButtonsMouseListener(list); list.addMouseListener(cbml); list.addMouseMotionListener(cbml); list.setCellRenderer(new ButtonsRenderer<String>(model)); add(new JScrollPane(list)); setPreferredSize(new Dimension(320, 240)); }
private Component createArrowSettingsPanel() { final ArrowStyle[] styles = DiagramSchema.getCurrentSchema().getArrowStyles(); final JList<ArrowStyle> listView = new JList<>(styles); listView.setCellRenderer( new ListCellRenderer<ArrowStyle>() { public Component getListCellRendererComponent( final JList list, final ArrowStyle style, final int index, final boolean isSelected, final boolean cellHasFocus) { JPanel retVal = new JPanel() { @Override protected void paintComponent(final Graphics g) { super.paintComponent(g); Graphics2D g2d = (Graphics2D) g; AffineTransform oldTransform = g2d.getTransform(); Paint oldPaint = g2d.getPaint(); Stroke oldStroke = g2d.getStroke(); Shape arrow = TransitionArrow.getArrowShape(style, getWidth() * 0.9); g2d.setPaint(style.getColor()); g2d.translate(getWidth() * 0.95, getHeight() / 2); g2d.fill(arrow); if (style.getBorderWidth() != 0) { g2d.setStroke(new BasicStroke(style.getBorderWidth())); g2d.setPaint(Color.BLACK); g2d.draw(arrow); } g2d.setPaint(oldPaint); g2d.setStroke(oldStroke); g2d.setTransform(oldTransform); } }; Dimension size = new Dimension(150, 30); retVal.setMinimumSize(size); retVal.setPreferredSize(size); if (sequenceValues.size() > index) { retVal.setToolTipText(sequenceValues.get(index).getDisplayString()); } else { retVal.setToolTipText("n/a"); } return retVal; } }); listView.addMouseListener( new MouseAdapter() { @Override public void mouseClicked(final MouseEvent e) { if (e.getClickCount() != 2) { return; } int index = listView.getSelectedIndex(); ListModel listModel = listView.getModel(); ArrowStyle style = (ArrowStyle) listModel.getElementAt(index); ArrowStyle newStyle = ArrowStyleChooser.showDialog(listView, "Edit arrow style", style); if (newStyle != null) { style.copyValues(newStyle); DiagramSchema.getCurrentSchema().store(); diagramView.repaint(); } } }); MouseInputAdapter dragHandler = new MouseInputAdapter() { private boolean isDragging = false; private int dragStartIndex; @Override public void mousePressed(MouseEvent e) { if (SwingUtilities.isLeftMouseButton(e)) { dragStartIndex = listView.getSelectedIndex(); } } @Override public void mouseReleased(MouseEvent e) { isDragging = false; } @Override public void mouseDragged(MouseEvent e) { if (isDragging) { int currentIndex = listView.locationToIndex(e.getPoint()); if (currentIndex != dragStartIndex) { int dragTargetIndex = listView.getSelectedIndex(); ArrowStyle sourceStyle = styles[dragStartIndex]; styles[dragStartIndex] = styles[dragTargetIndex]; styles[dragTargetIndex] = sourceStyle; dragStartIndex = currentIndex; } } isDragging = true; } }; listView.addMouseListener(dragHandler); listView.addMouseMotionListener(dragHandler); return new JScrollPane(listView); }