Java 类org.eclipse.ui.IPerspectiveListener 实例源码

private void addPerspectiveListener(IWorkbenchWindow window) {
    IPerspectiveListener perspectiveListener = new PerspectiveListener();
    window.addPerspectiveListener(perspectiveListener);

    // triggers the event for the currently open perspective, if there is
    // any
    IWorkbenchPage activePage = window.getActivePage();
    if (activePage != null) {
        IPerspectiveDescriptor currentPerspective = window.getActivePage()
                .getPerspective();
        if (currentPerspective != null) {
            perspectiveListener.perspectiveActivated(activePage,
                    currentPerspective);
        }

    }
}

/**
 * Attaches the perspective listener to active window
 * 
 * @param listener
 */
public static void addPerspectiveListener(IPerspectiveListener listener) {
    IWorkbench workbench = Activator.getDefault().getWorkbench();
    IWorkbenchWindow window = workbench.getActiveWorkbenchWindow();
    window.addPerspectiveListener(listener);
}

@Override public void removePerspectiveListener(IPerspectiveListener listener) { }

@Override public void addPerspectiveListener(IPerspectiveListener listener) { }