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| 17. 11. 11. 查找项目 |
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Search a combo's list from the given index until an item is found.
If no such item is found, -1 is returned. |
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public int indexOf(String text, int startIndex)
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The indexOf method starts the search from 0: |
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public int indexOf(String text)
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which is equivalent to |
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import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class ComboFindingItem {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
String[] ITEMS = { "A", "B", "C", "D" };
final Combo combo = new Combo(shell, SWT.DROP_DOWN);
combo.setItems(ITEMS);
System.out.println(combo.indexOf("B"));
combo.addSelectionListener(new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
System.out.println(combo.getText());
}
public void widgetDefaultSelected(SelectionEvent e) {
System.out.println(combo.getText());
}
});
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
}
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