@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
IWorkbenchWindow activeWorkbenchWindow = HandlerUtil.getActiveWorkbenchWindow(event);
if (activeWorkbenchWindow != null) {
WorkbenchPage page = (WorkbenchPage) activeWorkbenchWindow.getActivePage();
if (page != null) {
Map parameters = event.getParameters();
String value =
(String) parameters.get(IWorkbenchCommandConstants.WINDOW_CLOSE_PERSPECTIVE_PARM_ID);
if (value == null) {
page.closePerspective(page.getPerspective(), true, true);
} else {
IPerspectiveDescriptor perspective =
activeWorkbenchWindow
.getWorkbench()
.getPerspectiveRegistry()
.findPerspectiveWithId(value);
if (perspective != null) {
page.closePerspective(perspective, true, true);
}
}
}
}
return null;
}
