I’ve pared your example down to the essentials:
-
Your custom renderer,
r
, should condition the alignment, as well as size and color. -
Override model methods in the model, not in the view.
-
Swing GUI objects should be constructed and manipulated only on the event dispatch thread.
-
Use
deriveFont()
as required. -
See also this tutorial section on how renderers are selected.
import java.awt.*;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.*;
import java.awt.Color;
import javax.swing.JLabel;
class ver_his_sign extends JFrame {
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
new ver_his_sign();
}
});
}
ver_his_sign() {
DefaultTableModel model = new DefaultTableModel(get_data(), get_header()) {
@Override
public boolean isCellEditable(int row, int col) {
switch (col) {
case 0:
return false;
case 1:
return false;
case 2:
return true;
default:
return false;
}
}
@Override
public Class getColumnClass(int column) {
switch (column) {
case 0:
return String.class;
case 1:
return String.class;
case 2:
return Boolean.class;
default:
return Boolean.class;
}
}
};
DefaultTableCellRenderer r = new DefaultTableCellRenderer() {
@Override
public Component getTableCellRendererComponent(JTable table, Object
value, boolean isSelected, boolean hasFocus, int row, int column) {
super.getTableCellRendererComponent(
table, value, isSelected, hasFocus, row, column);
setForeground(Color.blue);
setHorizontalAlignment(JLabel.CENTER);
setFont(getFont().deriveFont(50f));
return this;
}
};
JTable table = new JTable(model);
table.setRowHeight(table.getRowHeight() + 50);
table.getColumnModel().getColumn(1).setCellRenderer(r);
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
this.add(new JScrollPane(table));
this.pack();
this.setLocationRelativeTo(null);
this.setVisible(true);
}
Object[][] get_data() {
Object data[][] = new Object[][]{
{"Uno, 1", "\u4e00", true},
{"Uno, 1", "\u4e01", true},
{"Uno, 1", "\u4e02", true},
{"Uno, 1", "\u4e03", true},
{"Uno, 1", "\u4e04", true}
};
return data;
}
String[] get_header() {
String header[] = new String[]{"SIGNIFICADO", "KANJI", "Agregar"};
return header;
}
}