@Override
public boolean onOptionsItemSelected(MenuItem item) {
DataManager.FetchingState fetchingState = mDataManager.getFetchingState();
switch (item.getItemId()) {
case R.id.menu_open_in_browser:
navigateTo("http://vk.com/" + mGroup.screen_name);
return true;
case R.id.menu_leave_group:
if (fetchingState == finished) {
leaveGroup(mGroup);
} else {
showSnackbar(
fetchingState == loading
? R.string.loading_is_on
: R.string.data_was_not_loaded_else);
}
return true;
case R.id.menu_join_group:
if (fetchingState == finished) {
joinGroup(mGroup);
} else {
showSnackbar(
fetchingState == loading
? R.string.loading_is_on
: R.string.data_was_not_loaded_else);
}
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mGroup = getIntent().getParcelableExtra(EXTRA_GROUP);
mDataManager = DataManager.get(this);
setErrorTextViewVisibility(View.INVISIBLE);
setRefreshLayoutEnable(false);
setActionButtonVisibility(View.INVISIBLE);
VKUsersArray friends;
if (mGroup.id != 0) {
friends = mDataManager.getFriendsInGroup(mGroup.id);
} else {
friends = mDataManager.getUsersFriends();
}
if (friends == null) {
friends = new VKUsersArray();
}
setListFragment(
FriendsListFragment.newInstance(friends, getString(R.string.no_friends_in_group)));
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
if (mGroup.id == 0) {
menu.findItem(R.id.menu_join_group).setVisible(false);
menu.findItem(R.id.menu_leave_group).setVisible(false);
}
if (mDataManager.getUsersGroupById(mGroup.id) != null) {
menu.findItem(R.id.menu_leave_group).setVisible(true);
menu.findItem(R.id.menu_join_group).setVisible(false);
} else {
menu.findItem(R.id.menu_leave_group).setVisible(false);
menu.findItem(R.id.menu_join_group).setVisible(true);
}
return super.onPrepareOptionsMenu(menu);
}