有时需要响应客户点击table的操作.
这时我们可按如下例子为table增加一个监听器.
这时我们可按如下例子为table增加一个监听器.
public class TestTableEvent {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
// 初始化一个2x2的table
final Table table = new Table(shell, SWT.BORDER | SWT.MULTI);
table.setLinesVisible(true);
for (int i = 0; i < 2; i++) {
TableColumn column = new TableColumn(table, SWT.NONE);
column.setWidth(100);
}
for (int i = 0; i < 2; i++) {
TableItem item = new TableItem(table, SWT.NONE);
item.setText(new String[] { "" + i, "" + i, "" + i });
}
//为这个table加一个事件,如果点击某一个element,则在控制台显示该element的坐标
table.addListener(SWT.MouseDown, new Listener() {
public void handleEvent(Event event) {
Point pt = new Point(event.x, event.y);
int index = table.getTopIndex();
while (index < table.getItemCount()) {
final TableItem item = table.getItem(index);
for (int i = 0; i < table.getColumnCount(); i++) {
Rectangle rect = item.getBounds(i);
if (rect.contains(pt)) {
System.out.println("location : " + index + " : " + i);
}
}
index++;
}
}
});
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}