@Override
public void onClick()
{
final PageParameters params = new PageParameters();
params.set(GanttChartEditPage.PARAM_KEY_TASK, id);
final GanttChartEditPage ganttChartEditPage = new GanttChartEditPage(params);
ganttChartEditPage.setReturnToPage(TaskEditPage.this);
setResponsePage(ganttChartEditPage);
};
}, getString("gantt.title.add"));
addContentMenuEntry(menu);