Created
March 18, 2014 18:56
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validation handler
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| $selected_sessions = array(); | |
| foreach (array_keys($form_state['values']['timeslots']) as $timeslot_id) { | |
| foreach (array_keys($form_state['values']['timeslots'][$timeslot_id]['rooms']) as $room_id) { | |
| $cell_form_state_value = $form_state['values']['timeslots'][$timeslot_id]['rooms'][$room_id]['session']; | |
| if (!empty($cell_form_state_value)) { | |
| $selected_sessions[$cell_form_state_value][] = array($timeslot_id, $room_id); | |
| } | |
| } | |
| } | |
| foreach ($selected_sessions as $cell_form_state_value => $timeslot_room_pairs) { | |
| if (count($timeslot_room_pairs) > 1) { | |
| foreach ($timeslot_room_pairs as $timeslot_room_pair) { | |
| list($timeslot_id, $room_id) = $timeslot_room_pair; | |
| form_error($form['timeslots'][$timeslot_id]['rooms'][$room_id]['session'], t('Repeated session!')); | |
| } | |
| } | |
| } |
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