/**
* Toggle the selection state of an item.
*
* <p>If the item was the last one in the selection and is unselected, the selection is stopped.
* Note that the selection must already be started (actionMode must not be null).
*
* @param position Position of the item to toggle the selection state
*/
private void toggleSelection(int position) {
chatAdapter.toggleSelection(position);
int count = chatAdapter.getSelectedItemCount();
if (count == 0) {
actionMode.finish();
} else {
actionMode.setTitle(String.valueOf(count));
actionMode.invalidate();
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
switch (id) {
case android.R.id.home:
onBackPressed();
return true;
case R.id.action_clearChat:
// Limpando as mensagens no banco de dados
messageDAO.limparConversa(mNumeroChatAtivo);
// Limpando a lista
chatAdapter.clearItemList();
// Ativando o textview com a mensagem
findViewById(R.id.empty).setVisibility(View.VISIBLE);
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
public void onClickListener(View view, int position) {
if (actionMode != null) {
toggleSelection(position);
} else {
chatAdapter.removeItem(position);
}
}