public void showScreen(Panel panel, String title, String iconCls, String screenName) {
String panelID = panel.getId();
if (appTabPanel.hasItem(panelID)) {
appTabPanel.scrollToTab(panel, true);
appTabPanel.activate(panelID);
} else {
if (!panel.isRendered()) {
panel.setTitle(title);
if (iconCls == null) {
iconCls = "plugins-nav-icon";
}
panel.setIconCls(iconCls);
}
appTabPanel.add(panel);
appTabPanel.activate(panel.getId());
}
History.newItem(screenName);
}
