Mega Code Archive
Sort a SWT table by column
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/*
* Table example snippet: sort a table by column
*
* For a list of all SWT example snippets see
* http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
*/
import java.text.Collator;
import java.util.Locale;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
public class Snippet2 {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
final Table table = new Table(shell, SWT.BORDER);
table.setHeaderVisible(true);
TableColumn column1 = new TableColumn(table, SWT.NONE);
column1.setText("Column 1");
TableColumn column2 = new TableColumn(table, SWT.NONE);
column2.setText("Column 2");
TableItem item = new TableItem(table, SWT.NONE);
item.setText(new String[] { "a", "3" });
item = new TableItem(table, SWT.NONE);
item.setText(new String[] { "b", "2" });
item = new TableItem(table, SWT.NONE);
item.setText(new String[] { "c", "1" });
column1.pack();
column2.pack();
column1.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event e) {
// sort column 1
TableItem[] items = table.getItems();
Collator collator = Collator.getInstance(Locale.getDefault());
for (int i = 1; i < items.length; i++) {
String value1 = items[i].getText(0);
for (int j = 0; j < i; j++) {
String value2 = items[j].getText(0);
if (collator.compare(value1, value2) < 0) {
String[] values = { items[i].getText(0),
items[i].getText(1) };
items[i].dispose();
TableItem item = new TableItem(table, SWT.NONE, j);
item.setText(values);
items = table.getItems();
break;
}
}
}
}
});
column2.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event e) {
// sort column 2
TableItem[] items = table.getItems();
Collator collator = Collator.getInstance(Locale.getDefault());
for (int i = 1; i < items.length; i++) {
String value1 = items[i].getText(1);
for (int j = 0; j < i; j++) {
String value2 = items[j].getText(1);
if (collator.compare(value1, value2) < 0) {
String[] values = { items[i].getText(0),
items[i].getText(1) };
items[i].dispose();
TableItem item = new TableItem(table, SWT.NONE, j);
item.setText(values);
items = table.getItems();
break;
}
}
}
}
});
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
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