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package color.table;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.text.DateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.DefaultTableModel;
public class MainFrame extends JFrame {
private static final long serialVersionUID = 1L;
private List<String> colNames;
private List<List<Object>> data;
private JTable table;
private Calendar shieldCalendar;
public MainFrame() {
super();
initData();
Container c = getContentPane();
table = new JTable();
table.setModel(new MTableModel());
table.getColumnModel().getColumn(0).setCellRenderer(
new MTableCellRenderer());
table.getColumnModel().getColumn(1).setCellRenderer(
new MTableCellRenderer());
table.getColumnModel().getColumn(2).setCellRenderer(
new MTableCellRenderer());
c.add(new JScrollPane(table));
setSize(600, 400);
setDefaultCloseOperation(EXIT_ON_CLOSE);
setLocationRelativeTo(null);
setVisible(true);
}
private void initData() {
colNames = new ArrayList<String>();
colNames.add("ID");
colNames.add("Name");
colNames.add("Date");
data = new ArrayList<List<Object>>();
for (int i = 0; i < 20; i++) {
List<Object> record = new ArrayList<Object>();
record.add(String.valueOf(i + 1));
record.add("item" + (i + 1));
Calendar c = Calendar.getInstance();
c.set(2010, 3, i + 1);
record.add(c);
data.add(record);
}
shieldCalendar = Calendar.getInstance();
shieldCalendar.set(2010, 3, 10);
}
private class MTableModel extends DefaultTableModel {
private static final long serialVersionUID = 1L;
@Override
public int getColumnCount() {
return colNames.size();
}
@Override
public int getRowCount() {
return data.size();
}
@Override
public String getColumnName(int column) {
return colNames.get(column);
}
@Override
public Object getValueAt(int row, int column) {
return data.get(row).get(column);
}
@Override
public boolean isCellEditable(int row, int column) {
return false;
}
}
private class MTableCellRenderer extends DefaultTableCellRenderer {
private static final long serialVersionUID = 1L;
@Override
public Component getTableCellRendererComponent(JTable table,
Object value, boolean isSelected, boolean hasFocus, int row,
int column) {
Component c = super.getTableCellRendererComponent(table, value,
isSelected, hasFocus, row, column);
if (value instanceof Calendar) {
Calendar cal = (Calendar) value;
if (cal.after(shieldCalendar)) {
setBackground(Color.red);
} else if (cal.equals(shieldCalendar)) {
setBackground(Color.blue);
} else {
setBackground(Color.green);
}
DateFormat f = DateFormat.getDateInstance(DateFormat.LONG);
String s = f.format(cal.getTime());
setText(s);
} else {
setBackground(Color.cyan);
}
return c;
}
}
public static void main(String[] args) {
new MainFrame();
}
}