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How do I add field collection unlimited items from hook_form_alter()?

I am trying to implement what described in Add unlimited field collections in a from of drupal and Field collection with unlimited cardinality pre-populate fields, but the Add more and Remove buttons don’t work. I have issues with drupal_rebuild_form().

The code in hook_form_alter() is the following.

$items_count = 3; $field_name = 'field_story_technology'; $form_theme = $form[$field_name][LANGUAGE_NONE]['#theme']; // Remove delete and add more buttons //~ $form_state['field'][$field_name][LANGUAGE_NONE]['items_count'] = $items_count; $items = &$form_state['field'][$field_name][LANGUAGE_NONE]; $form[$field_name]['und'][0]['remove_button']['#access'] = TRUE; $form[$field_name]['und']['add_more']['#access'] = TRUE; // Generate required number of fields collection if ($items_count > 1 and $items['items_count'] != $items_count) {   $items['items_count'] = $items_count;   $items['field']['cardinality'] = FIELD_CARDINALITY_UNLIMITED;//$items_count;   $form[$field_name][LANGUAGE_NONE] = field_multiple_value_form($items['field'], $items['instance'], LANGUAGE_NONE, array(), $form, $form_state);   // Reset theme function, as field_multiple_value_form hijacks it   $form[$field_name][LANGUAGE_NONE]['#theme'] = $form_theme;   $rebuild_p = TRUE;   //~ $form_state['rebuild'] = TRUE; } // Fill generated fields with data for ($delta = 0; $delta < ($items_count-1); $delta++) {   $form['field_story_technology'][LANGUAGE_NONE][$delta]['field_technology_photo_title'][LANGUAGE_NONE][0]['value']['#default_value'] = 'new value'; } if ($rebuild_p) {   $form['#after_build'][] = 'tttttt'; }  function tttttt($form, &$form_state) {   return drupal_rebuild_form($form_state['build_info']['form_id'], $form_state, $form); }

drupal_rebuild_form() will change my other functionality.

This article was republished from its original source.
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How do I add field collection unlimited items from hook_form_alter()?

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