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<?php
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/**
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* @file
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* Provides the field collection item view / edit / delete pages.
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*/
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// TODO: fix being embedded in a host with revisions.
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/**
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* Field Collection item view page.
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*/
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function field_collection_item_page_view($field_collection_item) {
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// @todo: Set breadcrumb including the host.
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drupal_set_title($field_collection_item->label());
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return $field_collection_item->view('full', NULL, TRUE);
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}
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/**
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* Form for editing a field collection item.
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* @todo implement hook_forms().
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*/
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function field_collection_item_form($form, &$form_state, $field_collection_item) {
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if (!isset($field_collection_item->is_new)) {
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drupal_set_title($field_collection_item->label());
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}
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$form_state += array('field_collection_item' => $field_collection_item);
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// Hack: entity_form_field_validate() needs the bundle to be set.
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// @todo: Fix core and remove the hack.
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$form['field_name'] = array('#type' => 'value', '#value' => $field_collection_item->field_name);
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$langcode = entity_language('field_collection_item', $field_collection_item);
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field_attach_form('field_collection_item', $field_collection_item, $form, $form_state, $langcode);
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$form['actions'] = array('#type' => 'actions', '#weight' => 50);
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$form['actions']['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Save'),
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'#weight' => 5,
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);
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return $form;
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}
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/**
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* Validation callback.
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*/
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function field_collection_item_form_validate($form, &$form_state) {
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entity_form_field_validate('field_collection_item', $form, $form_state);
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}
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/**
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* Submit builder. Extracts the form values and updates the entity.
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*/
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function field_collection_item_form_submit_build_field_collection($form, $form_state) {
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entity_form_submit_build_entity('field_collection_item', $form_state['field_collection_item'], $form, $form_state);
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return $form_state['field_collection_item'];
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}
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/**
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* Submit callback that permanently saves the changes to the entity.
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*/
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function field_collection_item_form_submit($form, &$form_state) {
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$field_collection_item = field_collection_item_form_submit_build_field_collection($form, $form_state);
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$field_collection_item->save();
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drupal_set_message(t('The changes have been saved.'));
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$form_state['redirect'] = $field_collection_item->path();
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}
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/**
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* Form for deleting a field collection item.
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*/
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function field_collection_item_delete_confirm($form, &$form_state, $field_collection_item) {
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$form_state += array('field_collection_item' => $field_collection_item);
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return confirm_form($form,
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t('Are you sure you want to delete %label?', array('%label' => $field_collection_item->label())),
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$field_collection_item->path(),
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t('This action cannot be undone.'),
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t('Delete'),
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t('Cancel')
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);
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}
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/**
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* Submit callback for deleting a field collection item.
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*/
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function field_collection_item_delete_confirm_submit($form, &$form_state) {
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$field_collection_item = $form_state['field_collection_item'];
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entity_delete('field_collection_item', $field_collection_item->item_id);
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drupal_set_message(t('%label has been deleted.', array('%label' => drupal_ucfirst($field_collection_item->label()))));
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$form_state['redirect'] = '<front>';
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}
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/**
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* Add a new field collection item.
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*
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* @todo: Support optionally passing in the revision_id and langcode parameters.
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*/
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function field_collection_item_add($field_name, $entity_type, $entity_id, $revision_id = NULL, $langcode = NULL) {
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$info = entity_get_info();
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if (!isset($info[$entity_type])) {
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return MENU_NOT_FOUND;
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}
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$result = entity_load($entity_type, array($entity_id));
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$entity = reset($result);
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if (!$entity) {
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return MENU_NOT_FOUND;
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}
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// Ensure the given entity is of a bundle that has an instance of the field.
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list($id, $rev_id, $bundle) = entity_extract_ids($entity_type, $entity);
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$instance = field_info_instance($entity_type, $field_name, $bundle);
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if (!$instance) {
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return MENU_NOT_FOUND;
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}
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// Check field cardinality.
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$field = field_info_field($field_name);
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$langcode = !empty($field['translatable']) ? entity_language($entity_type, $entity) : LANGUAGE_NONE;
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if (!($field['cardinality'] == FIELD_CARDINALITY_UNLIMITED || !isset($entity->{$field_name}[$langcode]) || count($entity->{$field_name}[$langcode]) < $field['cardinality'])) {
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return MENU_ACCESS_DENIED;
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}
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$field_collection_item = entity_create('field_collection_item', array('field_name' => $field_name));
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// Do not link the field collection item with the host entity at this point,
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// as during the form-workflow we have multiple field collection item entity
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// instances, which we don't want link all with the host.
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// That way the link is going to be created when the item is saved.
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$field_collection_item->setHostEntity($entity_type, $entity, $langcode, FALSE);
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$label = $field_collection_item->translatedInstanceLabel();
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$title = $field['cardinality'] == 1 ? $label : t('Add new !instance_label', array('!instance_label' => $label));
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drupal_set_title($title);
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// Make sure the current user has access to create a field collection item.
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if (!entity_access('create', 'field_collection_item', $field_collection_item)) {
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return MENU_ACCESS_DENIED;
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}
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return drupal_get_form('field_collection_item_form', $field_collection_item);
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}
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