|
/*
* Virtual Table example snippet: create a table with 1,000,000 items
*
* 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 org.eclipse.swt.SWT;
import org.eclipse.swt.layout.RowData;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableItem;
public class Snippet144 {
static final int COUNT = 1000000;
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);
shell.setLayout(new RowLayout(SWT.VERTICAL));
final Table table = new Table(shell, SWT.VIRTUAL | SWT.BORDER);
table.addListener(SWT.SetData, new Listener() {
public void handleEvent(Event event) {
TableItem item = (TableItem) event.item;
int index = table.indexOf(item);
item.setText("Item " + index);
System.out.println(item.getText());
}
});
table.setLayoutData(new RowData(200, 200));
Button button = new Button(shell, SWT.PUSH);
button.setText("Add Items");
final Label label = new Label(shell, SWT.NONE);
button.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
long t1 = System.currentTimeMillis();
table.setItemCount(COUNT);
long t2 = System.currentTimeMillis();
label.setText("Items: " + COUNT + ", Time: " + (t2 - t1)
+ " (ms)");
shell.layout();
}
});
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
|
