void tabPaneChanged(MainFrame.Tab tab) {
if (tab == MainFrame.Tab.CHATS) {
Optional<Chat> optChat = mChatListView.getSelectedValue();
if (optChat.isPresent()) {
mContent.showChat(optChat.get());
return;
}
} else {
Optional<Contact> optContact = mContactListView.getSelectedValue();
if (optContact.isPresent()) {
mContent.showContact(optContact.get());
return;
}
}
mContent.showNothing();
}
void showChat(Chat chat) {
if (mMainFrame.getCurrentTab() != MainFrame.Tab.CHATS) return;
mContent.showChat(chat);
}