JScrollPane scroll = new JScrollPane(table);
scroll.setColumnHeader(new JViewport() {
@Override public Dimension getPreferredSize() {
Dimension d = super.getPreferredSize();
d.height = 32;
return d;
}
});
//or
table.setTableHeader(new JTableHeader(table.getColumnModel()) {
@Override public Dimension getPreferredSize() {
Dimension d = super.getPreferredSize();
d.height = 32;
return d;
}
});
final double A2 = 4.0;
panel2.setLayout(new FlowLayout() {
@Override public void layoutContainer(Container target) {
synchronized(target.getTreeLock()) {
Insets insets = target.getInsets();
int nmembers = target.getComponentCount();
if(nmembers<=0) return;
int vgap = getVgap();
int hgap = getHgap();
int rowh = (target.getHeight()-(insets.top+insets.bottom+vgap*2))/nmembers;
int x = insets.left + hgap;
int y = insets.top + vgap;
for(int i=0;i < nmembers; i++) {
Component m = target.getComponent(i);
if(m.isVisible()) {
Dimension d = m.getPreferredSize();
m.setSize(d.width, d.height);
m.setLocation(x, y);
y += (vgap + Math.min(rowh, d.height));
x = (int)(A2 * Math.sqrt(y));
}
}
}
}
});
JList list = new JList(model) {
private ClearSelectionListener listener;
@Override public void setSelectionInterval(int anchor, int lead) {
if(anchor==lead && lead >= 0 && anchor >= 0) {
if(listener.isDragging) {
addSelectionInterval(anchor, anchor);
}else if(!listener.isInCellDragging) {
if(isSelectedIndex(anchor)) {
removeSelectionInterval(anchor, anchor);
}else{
addSelectionInterval(anchor, anchor);
}
listener.isInCellDragging = true;
}
}else{
super.setSelectionInterval(anchor, lead);
}
}
};
JTextField textField02 = new JTextField(20) {
@Override protected void paintComponent(Graphics g) {
if (!isOpaque() && getBorder() instanceof RoundedCornerBorder) {
Graphics2D g2 = (Graphics2D) g.create();
g2.setPaint(getBackground());
g2.fill(((RoundedCornerBorder) getBorder()).getBorderShape(
0, 0, getWidth() - 1, getHeight() - 1));
g2.dispose();
}
super.paintComponent(g);
}
@Override public void updateUI() {
super.updateUI();
setOpaque(false);
setBorder(new RoundedCornerBorder());
}
};
class RoundedCornerBorder extends AbstractBorder {
private static final Color ALPHA_ZERO = new Color(0x0, true);
@Override public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
Graphics2D g2 = (Graphics2D) g.create();
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
Shape border = getBorderShape(x, y, width - 1, height - 1);
g2.setPaint(ALPHA_ZERO);
Area corner = new Area(new Rectangle2D.Double(x, y, width, height));
corner.subtract(new Area(border));
g2.fill(corner);
g2.setPaint(Color.GRAY);
g2.draw(border);
g2.dispose();
}
public Shape getBorderShape(int x, int y, int w, int h) {
int r = h; //h / 2;
return new RoundRectangle2D.Double(x, y, w, h, r, r);
}
@Override public Insets getBorderInsets(Component c) {
return new Insets(4, 8, 4, 8);
}
@Override public Insets getBorderInsets(Component c, Insets insets) {
insets.set(4, 8, 4, 8);
return insets;
}
}
class CheckBoxNodeEditor extends TriStateCheckBox implements TreeCellEditor {
private DefaultTreeCellRenderer renderer = new DefaultTreeCellRenderer();
private final JPanel panel = new JPanel(new BorderLayout());
private String str = null;
public CheckBoxNodeEditor() {
super();
this.addActionListener(new ActionListener() {
@Override public void actionPerformed(ActionEvent e) {
// System.out.println("actionPerformed: stopCellEditing");
stopCellEditing();
}
});
panel.setFocusable(false);
panel.setRequestFocusEnabled(false);
panel.setOpaque(false);
panel.add(this, BorderLayout.WEST);
this.setOpaque(false);
}
@Override public Component getTreeCellEditorComponent(
JTree tree, Object value, boolean isSelected,
boolean expanded, boolean leaf, int row) {
JLabel l = (JLabel) renderer.getTreeCellRendererComponent(
tree, value, true, expanded, leaf, row, true);
l.setFont(tree.getFont());
if (value instanceof DefaultMutableTreeNode) {
this.setEnabled(tree.isEnabled());
this.setFont(tree.getFont());
Object userObject = ((DefaultMutableTreeNode) value).getUserObject();
if (userObject instanceof CheckBoxNode) {
CheckBoxNode node = (CheckBoxNode) userObject;
if (node.status == Status.INDETERMINATE) {
setIcon(new IndeterminateIcon());
} else {
setIcon(null);
}
l.setText(node.label);
setSelected(node.status == Status.SELECTED);
str = node.label;
}
// panel.add(this, BorderLayout.WEST);
panel.add(l);
return panel;
}
return l;
}
@Override public Object getCellEditorValue() {
return new CheckBoxNode(str, isSelected() ? Status.SELECTED : Status.DESELECTED);
}
@Override public boolean isCellEditable(EventObject e) {
if (e instanceof MouseEvent && e.getSource() instanceof JTree) {
MouseEvent me = (MouseEvent) e;
JTree tree = (JTree) e.getSource();
TreePath path = tree.getPathForLocation(me.getX(), me.getY());
Rectangle r = tree.getPathBounds(path);
if (r == null) {
return false;
}
Dimension d = getPreferredSize();
r.setSize(new Dimension(d.width, r.height));
if (r.contains(me.getPoint())) {
return true;
}
}
return false;
}
@Override public void updateUI() {
super.updateUI();
setName("Tree.cellEditor");
if (panel != null) {
//panel.removeAll(); // ??? Change to Nimbus LnF, JDK 1.6.0
panel.updateUI();
//panel.add(this, BorderLayout.WEST);
}
// ???#1: JDK 1.6.0 bug??? @see 1.7.0 DefaultTreeCellRenderer#updateUI()
// if (System.getProperty("java.version").startsWith("1.6.0")) {
// renderer = new DefaultTreeCellRenderer();
// }
}
// ...