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/**
* @version 1.00 1999-10-15
* @author Cay Horstmann
*/
import java.awt.Component;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.text.Collator;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
public class CollationTest {
public static void main(String[] args) {
JFrame frame = new CollationFrame();
frame.show();
}
}
class CollationFrame extends JFrame {
public CollationFrame() {
setSize(400, 400);
setTitle("CollationTest");
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
getContentPane().setLayout(new GridBagLayout());
GridBagConstraints gbc = new GridBagConstraints();
gbc.fill = GridBagConstraints.NONE;
gbc.anchor = GridBagConstraints.EAST;
add(new JLabel("Locale"), gbc, 0, 0, 1, 1);
add(new JLabel("Strength"), gbc, 0, 1, 1, 1);
add(new JLabel("Decomposition"), gbc, 0, 2, 1, 1);
add(addButton, gbc, 0, 3, 1, 1);
gbc.anchor = GridBagConstraints.WEST;
add(localeCombo, gbc, 1, 0, 1, 1);
add(strengthCombo, gbc, 1, 1, 1, 1);
add(decompositionCombo, gbc, 1, 2, 1, 1);
gbc.fill = GridBagConstraints.HORIZONTAL;
add(newWord, gbc, 1, 3, 1, 1);
gbc.fill = GridBagConstraints.BOTH;
add(new JScrollPane(sortedWords), gbc, 1, 4, 1, 1);
locales = Collator.getAvailableLocales();
for (int i = 0; i < locales.length; i++)
localeCombo.addItem(locales[i].getDisplayName());
localeCombo.setSelectedItem(Locale.getDefault().getDisplayName());
strings.add("America");
strings.add("ant");
strings.add("Zulu");
strings.add("zebra");
strings.add("Angstrom");
strings.add("Angstrom");
strings.add("Ant");
updateDisplay();
addButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
strings.add(newWord.getText());
updateDisplay();
}
});
ActionListener listener = new ActionListener() {
public void actionPerformed(ActionEvent event) {
updateDisplay();
}
};
localeCombo.addActionListener(listener);
strengthCombo.addActionListener(listener);
decompositionCombo.addActionListener(listener);
}
public void add(Component c, GridBagConstraints gbc, int x, int y, int w,
int h) {
gbc.gridx = x;
gbc.gridy = y;
gbc.gridwidth = w;
gbc.gridheight = h;
getContentPane().add(c, gbc);
}
public void updateDisplay() {
Locale currentLocale = locales[localeCombo.getSelectedIndex()];
currentCollator = Collator.getInstance(currentLocale);
currentCollator.setStrength(strengthCombo.getValue());
currentCollator.setDecomposition(decompositionCombo.getValue());
Collections.sort(strings, currentCollator);
sortedWords.setText("");
for (int i = 0; i < strings.size(); i++) {
String s = (String) strings.get(i);
if (i > 0 && currentCollator.compare(s, strings.get(i - 1)) == 0) {
sortedWords.append("= ");
}
sortedWords.append(s + "\n");
}
}
private Locale[] locales;
private List strings = new ArrayList();
private Collator currentCollator;
private JComboBox localeCombo = new JComboBox();
private EnumCombo strengthCombo = new EnumCombo(Collator.class,
new String[] { "Primary", "Secondary", "Tertiary" });
private EnumCombo decompositionCombo = new EnumCombo(Collator.class,
new String[] { "Canonical Decomposition", "Full Decomposition",
"No Decomposition" });
private JTextField newWord = new JTextField(20);
private JTextArea sortedWords = new JTextArea(10, 20);
private JButton addButton = new JButton("Add");
}
class EnumCombo extends JComboBox {
public EnumCombo(Class cl, String[] labels) {
for (int i = 0; i < labels.length; i++) {
String label = labels[i];
String name = label.toUpperCase().replace(' ', '_');
int value = 0;
try {
java.lang.reflect.Field f = cl.getField(name);
value = f.getInt(cl);
} catch (Exception e) {
label = "(" + label + ")";
}
table.put(label, new Integer(value));
addItem(label);
}
setSelectedItem(labels[0]);
}
public int getValue() {
return ((Integer) table.get(getSelectedItem())).intValue();
}
private Map table = new HashMap();
}
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