Add SelectionListener to ToolItem : ToolItem « SWT « Java Tutorial






Add SelectionListener to ToolItem
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
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.ToolBar;
import org.eclipse.swt.widgets.ToolItem;

public class ToolItemSelectionListenerAdding {
  public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);

    GridLayout gridLayout = new GridLayout();
    gridLayout.numColumns = 3;
    shell.setLayout(gridLayout);

    ToolBar toolbar = new ToolBar(shell, SWT.NONE);
    ToolItem itemBack = new ToolItem(toolbar, SWT.PUSH);
    itemBack.setText("Back");
    ToolItem itemForward = new ToolItem(toolbar, SWT.PUSH);
    itemForward.setText("Forward");
    ToolItem itemStop = new ToolItem(toolbar, SWT.PUSH);
    itemStop.setText("Stop");
    ToolItem itemRefresh = new ToolItem(toolbar, SWT.PUSH);
    itemRefresh.setText("Refresh");
    ToolItem itemGo = new ToolItem(toolbar, SWT.PUSH);
    itemGo.setText("Go");

    GridData data = new GridData();
    data.horizontalSpan = 3;
    toolbar.setLayoutData(data);

    Listener listener = new Listener() {
      public void handleEvent(Event event) {
        ToolItem item = (ToolItem) event.widget;
        String string = item.getText();
        if (string.equals("Back"))
          System.out.println("Back");
        else if (string.equals("Forward"))
          System.out.println("Forward");
        else if (string.equals("Stop"))
          System.out.println("Stop");
        else if (string.equals("Refresh"))
          System.out.println("Refresh");
        else if (string.equals("Go"))
          System.out.println("Go");
      }
    };
    itemBack.addListener(SWT.Selection, listener);
    itemForward.addListener(SWT.Selection, listener);
    itemStop.addListener(SWT.Selection, listener);
    itemRefresh.addListener(SWT.Selection, listener);
    itemGo.addListener(SWT.Selection, listener);

    shell.open();

    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}








17.65.ToolItem
17.65.1.Constants for Creating Tool Items
17.65.2.Create a push buttonCreate a push button
17.65.3.Add check buttons to ToolBarAdd check buttons to ToolBar
17.65.4.Add radio buttons to ToolBarAdd radio buttons to ToolBar
17.65.5.Two dropdownsTwo dropdowns
17.65.6.Creating Radio GroupsCreating Radio Groups
17.65.7.Working with DropdownsWorking with Dropdowns
17.65.8.Add ToolItem to ToolBarAdd ToolItem to ToolBar
17.65.9.Add image to ToolItemAdd image to ToolItem
17.65.10.Update a status line when the pointer enters a ToolItemUpdate a status line when the pointer enters a ToolItem
17.65.11.Add ToolTip to ToolItemAdd ToolTip to ToolItem
17.65.12.Add SelectionListener to ToolItemAdd SelectionListener to ToolItem