/
MainPanel.java
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/
MainPanel.java
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// -*- mode:java; encoding:utf-8 -*-
// vim:set fileencoding=utf-8:
// @homepage@
package example;
import java.awt.*;
import java.awt.geom.Line2D;
import java.util.List;
import java.util.Objects;
import javax.swing.*;
import javax.swing.plaf.LayerUI;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.JTableHeader;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumnModel;
import javax.swing.table.TableModel;
public final class MainPanel extends JPanel {
private MainPanel() {
super(new BorderLayout());
JTable table = makeTable(makeModel());
add(new JLayer<>(new JScrollPane(table), new BorderPaintLayerUI()));
setPreferredSize(new Dimension(320, 240));
}
private JTable makeTable(TableModel model) {
return new JTable(model) {
@SuppressWarnings("PMD.AvoidLiteralsInIfCondition")
@Override public Component prepareRenderer(TableCellRenderer renderer, int row, int column) {
Component c = super.prepareRenderer(renderer, row, column);
boolean isSelected = isRowSelected(row);
if (!isSelected) {
Integer num = (Integer) model.getValueAt(convertRowIndexToModel(row), 0);
if (num <= 2) {
c.setBackground(new Color(0xCF_F3_C0));
} else if (num <= 6) {
c.setBackground(new Color(0xCB_F7_F5));
} else if (num >= 21) {
c.setBackground(new Color(0xFB_DC_DC));
} else if (row % 2 == 0) {
c.setBackground(Color.WHITE);
} else {
c.setBackground(new Color(0xF0_F0_F0));
}
}
c.setForeground(Color.BLACK);
if (c instanceof JLabel && column != 1) {
((JLabel) c).setHorizontalAlignment(SwingConstants.CENTER);
}
return c;
}
@Override public boolean isCellEditable(int row, int column) {
return false;
}
@Override public void updateUI() {
super.updateUI();
setFillsViewportHeight(true);
setShowVerticalLines(false);
setShowHorizontalLines(false);
setIntercellSpacing(new Dimension());
setSelectionForeground(getForeground());
setSelectionBackground(new Color(0, 0, 100, 50));
setAutoCreateRowSorter(true);
setFocusable(false);
initTableHeader(this);
}
};
}
@SuppressWarnings("PMD.AvoidLiteralsInIfCondition")
private static void initTableHeader(JTable table) {
JTableHeader header = table.getTableHeader();
((JLabel) header.getDefaultRenderer()).setHorizontalAlignment(SwingConstants.CENTER);
TableColumnModel columnModel = table.getColumnModel();
for (int i = 0; i < columnModel.getColumnCount(); i++) {
if (i != 1) {
columnModel.getColumn(i).setMaxWidth(26);
}
}
columnModel.getColumn(8).setCellRenderer(new DefaultTableCellRenderer() {
@Override public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
String sv = Objects.toString(value);
String txt = sv.startsWith("-") ? sv : "+" + sv;
if ("+0".equals(txt)) {
txt = "0";
}
setHorizontalAlignment(RIGHT);
return super.getTableCellRendererComponent(table, txt, isSelected, hasFocus, row, column);
}
});
}
private static TableModel makeModel() {
String[] columnNames = {"#", "Team", "MP", "W", "D", "L", "F", "A", "GD", "P"};
Object[][] data = {
{1, "Machida", 33, 20, 7, 6, 57, 27, +30, 67},
{2, "Iwata", 35, 17, 11, 7, 61, 39, +22, 62},
{3, "Shimizu", 34, 16, 12, 6, 61, 27, +34, 60},
{4, "Tokyo", 35, 17, 9, 9, 47, 26, +21, 60},
{5, "Nagasaki", 35, 15, 10, 10, 58, 43, +15, 55},
{6, "Chiba", 35, 15, 9, 11, 46, 44, +2, 54},
{7, "Kofu", 35, 15, 7, 13, 49, 43, +6, 52},
{8, "Okayama", 35, 12, 15, 8, 43, 37, +6, 51},
{9, "Yamagata", 35, 16, 3, 16, 53, 49, +4, 51},
{10, "Oita", 35, 14, 9, 12, 46, 49, -3, 51},
{11, "Gunma", 32, 12, 12, 8, 36, 30, +6, 48},
{12, "Mito", 35, 11, 12, 12, 45, 53, -8, 45},
{13, "Tochigi", 35, 10, 12, 13, 35, 35, +0, 42},
{14, "Tokushima", 35, 8, 17, 10, 39, 46, -7, 41},
{15, "Akita", 34, 9, 13, 12, 27, 36, -9, 40},
{16, "Sendai", 35, 10, 10, 15, 40, 50, -10, 40},
{17, "Fujieda", 33, 11, 7, 15, 46, 57, -11, 40},
{18, "Kumamoto", 35, 9, 10, 16, 42, 45, -3, 37},
{19, "Iwaki", 34, 9, 10, 15, 33, 51, -18, 37},
{20, "Yamaguchi", 35, 8, 12, 15, 28, 55, -27, 36},
{21, "Kanazawa", 33, 9, 5, 19, 35, 55, -20, 32},
{22, "Omiya", 35, 7, 6, 22, 30, 60, -30, 27},
};
return new DefaultTableModel(data, columnNames) {
@Override public Class<?> getColumnClass(int column) {
return getValueAt(0, column).getClass();
}
};
}
public static void main(String[] args) {
EventQueue.invokeLater(MainPanel::createAndShowGui);
}
private static void createAndShowGui() {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (UnsupportedLookAndFeelException ignored) {
Toolkit.getDefaultToolkit().beep();
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException ex) {
ex.printStackTrace();
return;
}
JFrame frame = new JFrame("@title@");
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.getContentPane().add(new MainPanel());
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}
class BorderPaintLayerUI extends LayerUI<JScrollPane> {
@Override public void paint(Graphics g, JComponent c) {
super.paint(g, c);
JTable table = getTable(c);
RowSorter<? extends TableModel> sorter = table == null ? null : table.getRowSorter();
if (Objects.nonNull(sorter)) {
List<? extends RowSorter.SortKey> keys = sorter.getSortKeys();
int column = keys.isEmpty() ? -1 : keys.get(0).getColumn();
if (column <= 0 || column == 9) {
Graphics2D g2 = (Graphics2D) g.create();
boolean b1 = column == 0 && keys.get(0).getSortOrder() == SortOrder.ASCENDING;
boolean b2 = column == 9 && keys.get(0).getSortOrder() == SortOrder.DESCENDING;
if (column < 0 || b1 || b2) {
g2.setPaint(Color.GREEN.darker());
g2.draw(makeUnderline(c, table, 2));
g2.setPaint(Color.BLUE.darker());
g2.draw(makeUnderline(c, table, 6));
g2.setPaint(Color.RED.darker());
g2.draw(makeUnderline(c, table, 20));
} else {
g2.setPaint(Color.GREEN.darker());
g2.draw(makeUnderline(c, table, 22 - 2));
g2.setPaint(Color.BLUE.darker());
g2.draw(makeUnderline(c, table, 22 - 6));
g2.setPaint(Color.RED.darker());
g2.draw(makeUnderline(c, table, 22 - 20));
}
g2.dispose();
}
}
}
private static JTable getTable(Component c) {
JTable table = null;
if (c instanceof JLayer) {
Component c1 = ((JLayer<?>) c).getView();
if (c1 instanceof JScrollPane) {
table = (JTable) ((JScrollPane) c1).getViewport().getView();
}
}
return table;
}
private static Line2D makeUnderline(JComponent c, JTable table, int idx) {
Rectangle r0 = table.getCellRect(idx - 1, 0, false);
Rectangle r1 = table.getCellRect(idx - 1, table.getColumnCount() - 1, false);
Rectangle r = SwingUtilities.convertRectangle(table, r0.union(r1), c);
return new Line2D.Double(r.getX(), r.getMaxY(), r.getMaxX(), r.getMaxY());
}
}