danielebarchiesi@0: <?php
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * @file
danielebarchiesi@0:  * Administrative page callbacks for the taxonomy module.
danielebarchiesi@0:  */
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Form builder to list and manage vocabularies.
danielebarchiesi@0:  *
danielebarchiesi@0:  * @ingroup forms
danielebarchiesi@0:  * @see taxonomy_overview_vocabularies_submit()
danielebarchiesi@0:  * @see theme_taxonomy_overview_vocabularies()
danielebarchiesi@0:  */
danielebarchiesi@0: function taxonomy_overview_vocabularies($form) {
danielebarchiesi@0:   $vocabularies = taxonomy_get_vocabularies();
danielebarchiesi@0:   $form['#tree'] = TRUE;
danielebarchiesi@0:   foreach ($vocabularies as $vocabulary) {
danielebarchiesi@0:     $form[$vocabulary->vid]['#vocabulary'] = $vocabulary;
danielebarchiesi@0:     $form[$vocabulary->vid]['name'] = array('#markup' => check_plain($vocabulary->name));
danielebarchiesi@0:     $form[$vocabulary->vid]['weight'] = array(
danielebarchiesi@0:       '#type' => 'weight',
danielebarchiesi@0:       '#title' => t('Weight for @title', array('@title' => $vocabulary->name)),
danielebarchiesi@0:       '#title_display' => 'invisible',
danielebarchiesi@0:       '#delta' => 10,
danielebarchiesi@0:       '#default_value' => $vocabulary->weight,
danielebarchiesi@0:     );
danielebarchiesi@0:     $form[$vocabulary->vid]['edit'] = array('#type' => 'link', '#title' => t('edit vocabulary'), '#href' => "admin/structure/taxonomy/$vocabulary->machine_name/edit");
danielebarchiesi@0:     $form[$vocabulary->vid]['list'] = array('#type' => 'link', '#title' => t('list terms'), '#href' => "admin/structure/taxonomy/$vocabulary->machine_name");
danielebarchiesi@0:     $form[$vocabulary->vid]['add'] = array('#type' => 'link', '#title' => t('add terms'), '#href' => "admin/structure/taxonomy/$vocabulary->machine_name/add");
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   // Only make this form include a submit button and weight if more than one
danielebarchiesi@0:   // vocabulary exists.
danielebarchiesi@0:   if (count($vocabularies) > 1) {
danielebarchiesi@0:     $form['actions'] = array('#type' => 'actions');
danielebarchiesi@0:     $form['actions']['submit'] = array('#type' => 'submit', '#value' => t('Save'));
danielebarchiesi@0:   }
danielebarchiesi@0:   elseif (isset($vocabulary)) {
danielebarchiesi@0:     unset($form[$vocabulary->vid]['weight']);
danielebarchiesi@0:   }
danielebarchiesi@0:   return $form;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Submit handler for vocabularies overview. Updates changed vocabulary weights.
danielebarchiesi@0:  *
danielebarchiesi@0:  * @see taxonomy_overview_vocabularies()
danielebarchiesi@0:  */
danielebarchiesi@0: function taxonomy_overview_vocabularies_submit($form, &$form_state) {
danielebarchiesi@0:   foreach ($form_state['values'] as $vid => $vocabulary) {
danielebarchiesi@0:     if (is_numeric($vid) && $form[$vid]['#vocabulary']->weight != $form_state['values'][$vid]['weight']) {
danielebarchiesi@0:       $form[$vid]['#vocabulary']->weight = $form_state['values'][$vid]['weight'];
danielebarchiesi@0:       taxonomy_vocabulary_save($form[$vid]['#vocabulary']);
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0:   drupal_set_message(t('The configuration options have been saved.'));
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Returns HTML for the vocabulary overview form as a sortable list of vocabularies.
danielebarchiesi@0:  *
danielebarchiesi@0:  * @param $variables
danielebarchiesi@0:  *   An associative array containing:
danielebarchiesi@0:  *   - form: A render element representing the form.
danielebarchiesi@0:  *
danielebarchiesi@0:  * @see taxonomy_overview_vocabularies()
danielebarchiesi@0:  * @ingroup themeable
danielebarchiesi@0:  */
danielebarchiesi@0: function theme_taxonomy_overview_vocabularies($variables) {
danielebarchiesi@0:   $form = $variables['form'];
danielebarchiesi@0: 
danielebarchiesi@0:   $rows = array();
danielebarchiesi@0: 
danielebarchiesi@0:   foreach (element_children($form) as $key) {
danielebarchiesi@0:     if (isset($form[$key]['name'])) {
danielebarchiesi@0:       $vocabulary = &$form[$key];
danielebarchiesi@0: 
danielebarchiesi@0:       $row = array();
danielebarchiesi@0:       $row[] = drupal_render($vocabulary['name']);
danielebarchiesi@0:       if (isset($vocabulary['weight'])) {
danielebarchiesi@0:         $vocabulary['weight']['#attributes']['class'] = array('vocabulary-weight');
danielebarchiesi@0:         $row[] = drupal_render($vocabulary['weight']);
danielebarchiesi@0:       }
danielebarchiesi@0:       $row[] = drupal_render($vocabulary['edit']);
danielebarchiesi@0:       $row[] = drupal_render($vocabulary['list']);
danielebarchiesi@0:       $row[] = drupal_render($vocabulary['add']);
danielebarchiesi@0:       $rows[] = array('data' => $row, 'class' => array('draggable'));
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $header = array(t('Vocabulary name'));
danielebarchiesi@0:   if (isset($form['actions'])) {
danielebarchiesi@0:     $header[] = t('Weight');
danielebarchiesi@0:     drupal_add_tabledrag('taxonomy', 'order', 'sibling', 'vocabulary-weight');
danielebarchiesi@0:   }
danielebarchiesi@0:   $header[] = array('data' => t('Operations'), 'colspan' => '3');
danielebarchiesi@0:   return theme('table', array('header' => $header, 'rows' => $rows, 'empty' => t('No vocabularies available. <a href="@link">Add vocabulary</a>.', array('@link' => url('admin/structure/taxonomy/add'))), 'attributes' => array('id' => 'taxonomy'))) . drupal_render_children($form);
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Form builder for the vocabulary editing form.
danielebarchiesi@0:  *
danielebarchiesi@0:  * @ingroup forms
danielebarchiesi@0:  * @see taxonomy_form_vocabulary_submit()
danielebarchiesi@0:  * @see taxonomy_form_vocabulary_validate()
danielebarchiesi@0:  */
danielebarchiesi@0: function taxonomy_form_vocabulary($form, &$form_state, $edit = array()) {
danielebarchiesi@0:   // During initial form build, add the entity to the form state for use
danielebarchiesi@0:   // during form building and processing. During a rebuild, use what is in the
danielebarchiesi@0:   // form state.
danielebarchiesi@0:   if (!isset($form_state['vocabulary'])) {
danielebarchiesi@0:     $vocabulary = is_object($edit) ? $edit : (object) $edit;
danielebarchiesi@0:     $defaults = array(
danielebarchiesi@0:       'name' => '',
danielebarchiesi@0:       'machine_name' => '',
danielebarchiesi@0:       'description' => '',
danielebarchiesi@0:       'hierarchy' => 0,
danielebarchiesi@0:       'weight' => 0,
danielebarchiesi@0:     );
danielebarchiesi@0:     foreach ($defaults as $key => $value) {
danielebarchiesi@0:       if (!isset($vocabulary->$key)) {
danielebarchiesi@0:         $vocabulary->$key = $value;
danielebarchiesi@0:       }
danielebarchiesi@0:     }
danielebarchiesi@0:     $form_state['vocabulary'] = $vocabulary;
danielebarchiesi@0:   }
danielebarchiesi@0:   else {
danielebarchiesi@0:     $vocabulary = $form_state['vocabulary'];
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   // @todo Legacy support. Modules are encouraged to access the entity using
danielebarchiesi@0:   //   $form_state. Remove in Drupal 8.
danielebarchiesi@0:   $form['#vocabulary'] = $form_state['vocabulary'];
danielebarchiesi@0: 
danielebarchiesi@0:   // Check whether we need a deletion confirmation form.
danielebarchiesi@0:   if (isset($form_state['confirm_delete']) && isset($form_state['values']['vid'])) {
danielebarchiesi@0:     return taxonomy_vocabulary_confirm_delete($form, $form_state, $form_state['values']['vid']);
danielebarchiesi@0:   }
danielebarchiesi@0:   $form['name'] = array(
danielebarchiesi@0:     '#type' => 'textfield',
danielebarchiesi@0:     '#title' => t('Name'),
danielebarchiesi@0:     '#default_value' => $vocabulary->name,
danielebarchiesi@0:     '#maxlength' => 255,
danielebarchiesi@0:     '#required' => TRUE,
danielebarchiesi@0:   );
danielebarchiesi@0:   $form['machine_name'] = array(
danielebarchiesi@0:     '#type' => 'machine_name',
danielebarchiesi@0:     '#default_value' => $vocabulary->machine_name,
danielebarchiesi@0:     '#maxlength' => 255,
danielebarchiesi@0:     '#machine_name' => array(
danielebarchiesi@0:       'exists' => 'taxonomy_vocabulary_machine_name_load',
danielebarchiesi@0:     ),
danielebarchiesi@0:   );
danielebarchiesi@0:   $form['old_machine_name'] = array(
danielebarchiesi@0:     '#type' => 'value',
danielebarchiesi@0:     '#value' => $vocabulary->machine_name,
danielebarchiesi@0:   );
danielebarchiesi@0:   $form['description'] = array(
danielebarchiesi@0:     '#type' => 'textfield',
danielebarchiesi@0:     '#title' => t('Description'),
danielebarchiesi@0:     '#default_value' => $vocabulary->description,
danielebarchiesi@0:   );
danielebarchiesi@0:   // Set the hierarchy to "multiple parents" by default. This simplifies the
danielebarchiesi@0:   // vocabulary form and standardizes the term form.
danielebarchiesi@0:   $form['hierarchy'] = array(
danielebarchiesi@0:     '#type' => 'value',
danielebarchiesi@0:     '#value' => '0',
danielebarchiesi@0:   );
danielebarchiesi@0: 
danielebarchiesi@0:   $form['actions'] = array('#type' => 'actions');
danielebarchiesi@0:   $form['actions']['submit'] = array('#type' => 'submit', '#value' => t('Save'));
danielebarchiesi@0:   if (isset($vocabulary->vid)) {
danielebarchiesi@0:     $form['actions']['delete'] = array('#type' => 'submit', '#value' => t('Delete'));
danielebarchiesi@0:     $form['vid'] = array('#type' => 'value', '#value' => $vocabulary->vid);
danielebarchiesi@0:     $form['module'] = array('#type' => 'value', '#value' => $vocabulary->module);
danielebarchiesi@0:   }
danielebarchiesi@0:   $form['#validate'][] = 'taxonomy_form_vocabulary_validate';
danielebarchiesi@0: 
danielebarchiesi@0:   return $form;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Form validation handler for taxonomy_form_vocabulary().
danielebarchiesi@0:  *
danielebarchiesi@0:  * Makes sure that the machine name of the vocabulary is not in the
danielebarchiesi@0:  * disallowed list (names that conflict with menu items, such as 'list'
danielebarchiesi@0:  * and 'add').
danielebarchiesi@0:  *
danielebarchiesi@0:  * @see taxonomy_form_vocabulary()
danielebarchiesi@0:  * @see taxonomy_form_vocabulary_submit()
danielebarchiesi@0:  */
danielebarchiesi@0: function taxonomy_form_vocabulary_validate($form, &$form_state) {
danielebarchiesi@0:   // During the deletion there is no 'machine_name' key
danielebarchiesi@0:   if (isset($form_state['values']['machine_name'])) {
danielebarchiesi@0:     // Do not allow machine names to conflict with taxonomy path arguments.
danielebarchiesi@0:     $machine_name = $form_state['values']['machine_name'];
danielebarchiesi@0:     $disallowed = array('add', 'list');
danielebarchiesi@0:     if (in_array($machine_name, $disallowed)) {
danielebarchiesi@0:       form_set_error('machine_name', t('The machine-readable name cannot be "add" or "list".'));
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Form submission handler for taxonomy_form_vocabulary().
danielebarchiesi@0:  *
danielebarchiesi@0:  * @see taxonomy_form_vocabulary()
danielebarchiesi@0:  * @see taxonomy_form_vocabulary_validate()
danielebarchiesi@0:  */
danielebarchiesi@0: function taxonomy_form_vocabulary_submit($form, &$form_state) {
danielebarchiesi@0:   if ($form_state['triggering_element']['#value'] == t('Delete')) {
danielebarchiesi@0:     // Rebuild the form to confirm vocabulary deletion.
danielebarchiesi@0:     $form_state['rebuild'] = TRUE;
danielebarchiesi@0:     $form_state['confirm_delete'] = TRUE;
danielebarchiesi@0:     return;
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $vocabulary = $form_state['vocabulary'];
danielebarchiesi@0:   entity_form_submit_build_entity('taxonomy_vocabulary', $vocabulary, $form, $form_state);
danielebarchiesi@0: 
danielebarchiesi@0:   switch (taxonomy_vocabulary_save($vocabulary)) {
danielebarchiesi@0:     case SAVED_NEW:
danielebarchiesi@0:       drupal_set_message(t('Created new vocabulary %name.', array('%name' => $vocabulary->name)));
danielebarchiesi@0:       watchdog('taxonomy', 'Created new vocabulary %name.', array('%name' => $vocabulary->name), WATCHDOG_NOTICE, l(t('edit'), 'admin/structure/taxonomy/' . $vocabulary->machine_name . '/edit'));
danielebarchiesi@0:       break;
danielebarchiesi@0: 
danielebarchiesi@0:     case SAVED_UPDATED:
danielebarchiesi@0:       drupal_set_message(t('Updated vocabulary %name.', array('%name' => $vocabulary->name)));
danielebarchiesi@0:       watchdog('taxonomy', 'Updated vocabulary %name.', array('%name' => $vocabulary->name), WATCHDOG_NOTICE, l(t('edit'), 'admin/structure/taxonomy/' . $vocabulary->machine_name . '/edit'));
danielebarchiesi@0:       break;
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $form_state['values']['vid'] = $vocabulary->vid;
danielebarchiesi@0:   $form_state['vid'] = $vocabulary->vid;
danielebarchiesi@0:   $form_state['redirect'] = 'admin/structure/taxonomy';
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Form builder for the taxonomy terms overview.
danielebarchiesi@0:  *
danielebarchiesi@0:  * Display a tree of all the terms in a vocabulary, with options to edit
danielebarchiesi@0:  * each one. The form is made drag and drop by the theme function.
danielebarchiesi@0:  *
danielebarchiesi@0:  * @ingroup forms
danielebarchiesi@0:  * @see taxonomy_overview_terms_submit()
danielebarchiesi@0:  * @see theme_taxonomy_overview_terms()
danielebarchiesi@0:  */
danielebarchiesi@0: function taxonomy_overview_terms($form, &$form_state, $vocabulary) {
danielebarchiesi@0:   global $pager_page_array, $pager_total, $pager_total_items;
danielebarchiesi@0: 
danielebarchiesi@0:   // Check for confirmation forms.
danielebarchiesi@0:   if (isset($form_state['confirm_reset_alphabetical'])) {
danielebarchiesi@0:     return taxonomy_vocabulary_confirm_reset_alphabetical($form, $form_state, $vocabulary->vid);
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $form['#vocabulary'] = $vocabulary;
danielebarchiesi@0:   $form['#tree'] = TRUE;
danielebarchiesi@0:   $form['#parent_fields'] = FALSE;
danielebarchiesi@0: 
danielebarchiesi@0:   $page            = isset($_GET['page']) ? $_GET['page'] : 0;
danielebarchiesi@0:   $page_increment  = variable_get('taxonomy_terms_per_page_admin', 100);  // Number of terms per page.
danielebarchiesi@0:   $page_entries    = 0;   // Elements shown on this page.
danielebarchiesi@0:   $before_entries  = 0;   // Elements at the root level before this page.
danielebarchiesi@0:   $after_entries   = 0;   // Elements at the root level after this page.
danielebarchiesi@0:   $root_entries    = 0;   // Elements at the root level on this page.
danielebarchiesi@0: 
danielebarchiesi@0:   // Terms from previous and next pages are shown if the term tree would have
danielebarchiesi@0:   // been cut in the middle. Keep track of how many extra terms we show on each
danielebarchiesi@0:   // page of terms.
danielebarchiesi@0:   $back_step    = NULL;
danielebarchiesi@0:   $forward_step = 0;
danielebarchiesi@0: 
danielebarchiesi@0:   // An array of the terms to be displayed on this page.
danielebarchiesi@0:   $current_page = array();
danielebarchiesi@0: 
danielebarchiesi@0:   $delta = 0;
danielebarchiesi@0:   $term_deltas = array();
danielebarchiesi@0:   $tree = taxonomy_get_tree($vocabulary->vid);
danielebarchiesi@0:   $term = current($tree);
danielebarchiesi@0:   do {
danielebarchiesi@0:     // In case this tree is completely empty.
danielebarchiesi@0:     if (empty($term)) {
danielebarchiesi@0:       break;
danielebarchiesi@0:     }
danielebarchiesi@0:     $delta++;
danielebarchiesi@0:     // Count entries before the current page.
danielebarchiesi@0:     if ($page && ($page * $page_increment) > $before_entries && !isset($back_step)) {
danielebarchiesi@0:       $before_entries++;
danielebarchiesi@0:       continue;
danielebarchiesi@0:     }
danielebarchiesi@0:     // Count entries after the current page.
danielebarchiesi@0:     elseif ($page_entries > $page_increment && isset($complete_tree)) {
danielebarchiesi@0:       $after_entries++;
danielebarchiesi@0:       continue;
danielebarchiesi@0:     }
danielebarchiesi@0: 
danielebarchiesi@0:     // Do not let a term start the page that is not at the root.
danielebarchiesi@0:     if (isset($term->depth) && ($term->depth > 0) && !isset($back_step)) {
danielebarchiesi@0:       $back_step = 0;
danielebarchiesi@0:       while ($pterm = prev($tree)) {
danielebarchiesi@0:         $before_entries--;
danielebarchiesi@0:         $back_step++;
danielebarchiesi@0:         if ($pterm->depth == 0) {
danielebarchiesi@0:           prev($tree);
danielebarchiesi@0:           continue 2; // Jump back to the start of the root level parent.
danielebarchiesi@0:        }
danielebarchiesi@0:       }
danielebarchiesi@0:     }
danielebarchiesi@0:     $back_step = isset($back_step) ? $back_step : 0;
danielebarchiesi@0: 
danielebarchiesi@0:     // Continue rendering the tree until we reach the a new root item.
danielebarchiesi@0:     if ($page_entries >= $page_increment + $back_step + 1 && $term->depth == 0 && $root_entries > 1) {
danielebarchiesi@0:       $complete_tree = TRUE;
danielebarchiesi@0:       // This new item at the root level is the first item on the next page.
danielebarchiesi@0:       $after_entries++;
danielebarchiesi@0:       continue;
danielebarchiesi@0:     }
danielebarchiesi@0:     if ($page_entries >= $page_increment + $back_step) {
danielebarchiesi@0:       $forward_step++;
danielebarchiesi@0:     }
danielebarchiesi@0: 
danielebarchiesi@0:     // Finally, if we've gotten down this far, we're rendering a term on this page.
danielebarchiesi@0:     $page_entries++;
danielebarchiesi@0:     $term_deltas[$term->tid] = isset($term_deltas[$term->tid]) ? $term_deltas[$term->tid] + 1 : 0;
danielebarchiesi@0:     $key = 'tid:' . $term->tid . ':' . $term_deltas[$term->tid];
danielebarchiesi@0: 
danielebarchiesi@0:     // Keep track of the first term displayed on this page.
danielebarchiesi@0:     if ($page_entries == 1) {
danielebarchiesi@0:       $form['#first_tid'] = $term->tid;
danielebarchiesi@0:     }
danielebarchiesi@0:     // Keep a variable to make sure at least 2 root elements are displayed.
danielebarchiesi@0:     if ($term->parents[0] == 0) {
danielebarchiesi@0:       $root_entries++;
danielebarchiesi@0:     }
danielebarchiesi@0:     $current_page[$key] = $term;
danielebarchiesi@0:   } while ($term = next($tree));
danielebarchiesi@0: 
danielebarchiesi@0:   // Because we didn't use a pager query, set the necessary pager variables.
danielebarchiesi@0:   $total_entries = $before_entries + $page_entries + $after_entries;
danielebarchiesi@0:   $pager_total_items[0] = $total_entries;
danielebarchiesi@0:   $pager_page_array[0] = $page;
danielebarchiesi@0:   $pager_total[0] = ceil($total_entries / $page_increment);
danielebarchiesi@0: 
danielebarchiesi@0:   // If this form was already submitted once, it's probably hit a validation
danielebarchiesi@0:   // error. Ensure the form is rebuilt in the same order as the user submitted.
danielebarchiesi@0:   if (!empty($form_state['input'])) {
danielebarchiesi@0:     $order = array_flip(array_keys($form_state['input'])); // Get the $_POST order.
danielebarchiesi@0:     $current_page = array_merge($order, $current_page); // Update our form with the new order.
danielebarchiesi@0:     foreach ($current_page as $key => $term) {
danielebarchiesi@0:       // Verify this is a term for the current page and set at the current depth.
danielebarchiesi@0:       if (is_array($form_state['input'][$key]) && is_numeric($form_state['input'][$key]['tid'])) {
danielebarchiesi@0:         $current_page[$key]->depth = $form_state['input'][$key]['depth'];
danielebarchiesi@0:       }
danielebarchiesi@0:       else {
danielebarchiesi@0:         unset($current_page[$key]);
danielebarchiesi@0:       }
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   // Build the actual form.
danielebarchiesi@0:   foreach ($current_page as $key => $term) {
danielebarchiesi@0:     // Save the term for the current page so we don't have to load it a second time.
danielebarchiesi@0:     $form[$key]['#term'] = (array) $term;
danielebarchiesi@0:     if (isset($term->parents)) {
danielebarchiesi@0:       $form[$key]['#term']['parent'] = $term->parent = $term->parents[0];
danielebarchiesi@0:       unset($form[$key]['#term']['parents'], $term->parents);
danielebarchiesi@0:     }
danielebarchiesi@0: 
danielebarchiesi@0:     $form[$key]['view'] = array('#type' => 'link', '#title' => $term->name, '#href' => "taxonomy/term/$term->tid");
danielebarchiesi@0:     if ($vocabulary->hierarchy < 2 && count($tree) > 1) {
danielebarchiesi@0:       $form['#parent_fields'] = TRUE;
danielebarchiesi@0:       $form[$key]['tid'] = array(
danielebarchiesi@0:         '#type' => 'hidden',
danielebarchiesi@0:         '#value' => $term->tid
danielebarchiesi@0:       );
danielebarchiesi@0:       $form[$key]['parent'] = array(
danielebarchiesi@0:         '#type' => 'hidden',
danielebarchiesi@0:         // Yes, default_value on a hidden. It needs to be changeable by the javascript.
danielebarchiesi@0:         '#default_value' => $term->parent,
danielebarchiesi@0:       );
danielebarchiesi@0:       $form[$key]['depth'] = array(
danielebarchiesi@0:         '#type' => 'hidden',
danielebarchiesi@0:         // Same as above, the depth is modified by javascript, so it's a default_value.
danielebarchiesi@0:         '#default_value' => $term->depth,
danielebarchiesi@0:       );
danielebarchiesi@0:       $form[$key]['weight'] = array(
danielebarchiesi@0:         '#type' => 'weight',
danielebarchiesi@0:         '#delta' => $delta,
danielebarchiesi@0:         '#title_display' => 'invisible',
danielebarchiesi@0:         '#title' => t('Weight for added term'),
danielebarchiesi@0:         '#default_value' => $term->weight,
danielebarchiesi@0:       );
danielebarchiesi@0:     }
danielebarchiesi@0:     $form[$key]['edit'] = array('#type' => 'link', '#title' => t('edit'), '#href' => 'taxonomy/term/' . $term->tid . '/edit', '#options' => array('query' => drupal_get_destination()));
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $form['#total_entries'] = $total_entries;
danielebarchiesi@0:   $form['#page_increment'] = $page_increment;
danielebarchiesi@0:   $form['#page_entries'] = $page_entries;
danielebarchiesi@0:   $form['#back_step'] = $back_step;
danielebarchiesi@0:   $form['#forward_step'] = $forward_step;
danielebarchiesi@0:   $form['#empty_text'] = t('No terms available. <a href="@link">Add term</a>.', array('@link' => url('admin/structure/taxonomy/' . $vocabulary->machine_name . '/add')));
danielebarchiesi@0: 
danielebarchiesi@0:   if ($vocabulary->hierarchy < 2 && count($tree) > 1) {
danielebarchiesi@0:     $form['actions'] = array('#type' => 'actions', '#tree' => FALSE);
danielebarchiesi@0:     $form['actions']['submit'] = array(
danielebarchiesi@0:       '#type' => 'submit',
danielebarchiesi@0:       '#value' => t('Save')
danielebarchiesi@0:     );
danielebarchiesi@0:     $form['actions']['reset_alphabetical'] = array(
danielebarchiesi@0:       '#type' => 'submit',
danielebarchiesi@0:       '#value' => t('Reset to alphabetical')
danielebarchiesi@0:     );
danielebarchiesi@0:     $form_state['redirect'] = array($_GET['q'], (isset($_GET['page']) ? array('query' => array('page' => $_GET['page'])) : array()));
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   return $form;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Submit handler for terms overview form.
danielebarchiesi@0:  *
danielebarchiesi@0:  * Rather than using a textfield or weight field, this form depends entirely
danielebarchiesi@0:  * upon the order of form elements on the page to determine new weights.
danielebarchiesi@0:  *
danielebarchiesi@0:  * Because there might be hundreds or thousands of taxonomy terms that need to
danielebarchiesi@0:  * be ordered, terms are weighted from 0 to the number of terms in the
danielebarchiesi@0:  * vocabulary, rather than the standard -10 to 10 scale. Numbers are sorted
danielebarchiesi@0:  * lowest to highest, but are not necessarily sequential. Numbers may be skipped
danielebarchiesi@0:  * when a term has children so that reordering is minimal when a child is
danielebarchiesi@0:  * added or removed from a term.
danielebarchiesi@0:  *
danielebarchiesi@0:  * @see taxonomy_overview_terms()
danielebarchiesi@0:  */
danielebarchiesi@0: function taxonomy_overview_terms_submit($form, &$form_state) {
danielebarchiesi@0:   if ($form_state['triggering_element']['#value'] == t('Reset to alphabetical')) {
danielebarchiesi@0:     // Execute the reset action.
danielebarchiesi@0:     if ($form_state['values']['reset_alphabetical'] === TRUE) {
danielebarchiesi@0:       return taxonomy_vocabulary_confirm_reset_alphabetical_submit($form, $form_state);
danielebarchiesi@0:     }
danielebarchiesi@0:     // Rebuild the form to confirm the reset action.
danielebarchiesi@0:     $form_state['rebuild'] = TRUE;
danielebarchiesi@0:     $form_state['confirm_reset_alphabetical'] = TRUE;
danielebarchiesi@0:     return;
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   // Sort term order based on weight.
danielebarchiesi@0:   uasort($form_state['values'], 'drupal_sort_weight');
danielebarchiesi@0: 
danielebarchiesi@0:   $vocabulary = $form['#vocabulary'];
danielebarchiesi@0:   $hierarchy = 0; // Update the current hierarchy type as we go.
danielebarchiesi@0: 
danielebarchiesi@0:   $changed_terms = array();
danielebarchiesi@0:   $tree = taxonomy_get_tree($vocabulary->vid);
danielebarchiesi@0: 
danielebarchiesi@0:   if (empty($tree)) {
danielebarchiesi@0:     return;
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   // Build a list of all terms that need to be updated on previous pages.
danielebarchiesi@0:   $weight = 0;
danielebarchiesi@0:   $term = (array) $tree[0];
danielebarchiesi@0:   while ($term['tid'] != $form['#first_tid']) {
danielebarchiesi@0:     if ($term['parents'][0] == 0 && $term['weight'] != $weight) {
danielebarchiesi@0:       $term['parent'] = $term['parents'][0];
danielebarchiesi@0:       $term['weight'] = $weight;
danielebarchiesi@0:       $changed_terms[$term['tid']] = $term;
danielebarchiesi@0:     }
danielebarchiesi@0:     $weight++;
danielebarchiesi@0:     $hierarchy = $term['parents'][0] != 0 ? 1 : $hierarchy;
danielebarchiesi@0:     $term = (array) $tree[$weight];
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   // Renumber the current page weights and assign any new parents.
danielebarchiesi@0:   $level_weights = array();
danielebarchiesi@0:   foreach ($form_state['values'] as $tid => $values) {
danielebarchiesi@0:     if (isset($form[$tid]['#term'])) {
danielebarchiesi@0:       $term = $form[$tid]['#term'];
danielebarchiesi@0:       // Give terms at the root level a weight in sequence with terms on previous pages.
danielebarchiesi@0:       if ($values['parent'] == 0 && $term['weight'] != $weight) {
danielebarchiesi@0:         $term['weight'] = $weight;
danielebarchiesi@0:         $changed_terms[$term['tid']] = $term;
danielebarchiesi@0:       }
danielebarchiesi@0:       // Terms not at the root level can safely start from 0 because they're all on this page.
danielebarchiesi@0:       elseif ($values['parent'] > 0) {
danielebarchiesi@0:         $level_weights[$values['parent']] = isset($level_weights[$values['parent']]) ? $level_weights[$values['parent']] + 1 : 0;
danielebarchiesi@0:         if ($level_weights[$values['parent']] != $term['weight']) {
danielebarchiesi@0:           $term['weight'] = $level_weights[$values['parent']];
danielebarchiesi@0:           $changed_terms[$term['tid']] = $term;
danielebarchiesi@0:         }
danielebarchiesi@0:       }
danielebarchiesi@0:       // Update any changed parents.
danielebarchiesi@0:       if ($values['parent'] != $term['parent']) {
danielebarchiesi@0:         $term['parent'] = $values['parent'];
danielebarchiesi@0:         $changed_terms[$term['tid']] = $term;
danielebarchiesi@0:       }
danielebarchiesi@0:       $hierarchy = $term['parent'] != 0 ? 1 : $hierarchy;
danielebarchiesi@0:       $weight++;
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   // Build a list of all terms that need to be updated on following pages.
danielebarchiesi@0:   for ($weight; $weight < count($tree); $weight++) {
danielebarchiesi@0:     $term = (array) $tree[$weight];
danielebarchiesi@0:     if ($term['parents'][0] == 0 && $term['weight'] != $weight) {
danielebarchiesi@0:       $term['parent'] = $term['parents'][0];
danielebarchiesi@0:       $term['weight'] = $weight;
danielebarchiesi@0:       $changed_terms[$term['tid']] = $term;
danielebarchiesi@0:     }
danielebarchiesi@0:     $hierarchy = $term['parents'][0] != 0 ? 1 : $hierarchy;
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   // Save all updated terms.
danielebarchiesi@0:   foreach ($changed_terms as $changed) {
danielebarchiesi@0:     $term = (object) $changed;
danielebarchiesi@0:     // Update term_hierachy and term_data directly since we don't have a
danielebarchiesi@0:     // fully populated term object to save.
danielebarchiesi@0:     db_update('taxonomy_term_hierarchy')
danielebarchiesi@0:       ->fields(array('parent' => $term->parent))
danielebarchiesi@0:       ->condition('tid', $term->tid, '=')
danielebarchiesi@0:       ->execute();
danielebarchiesi@0: 
danielebarchiesi@0:     db_update('taxonomy_term_data')
danielebarchiesi@0:       ->fields(array('weight' => $term->weight))
danielebarchiesi@0:       ->condition('tid', $term->tid, '=')
danielebarchiesi@0:       ->execute();
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   // Update the vocabulary hierarchy to flat or single hierarchy.
danielebarchiesi@0:   if ($vocabulary->hierarchy != $hierarchy) {
danielebarchiesi@0:     $vocabulary->hierarchy = $hierarchy;
danielebarchiesi@0:     taxonomy_vocabulary_save($vocabulary);
danielebarchiesi@0:   }
danielebarchiesi@0:   drupal_set_message(t('The configuration options have been saved.'));
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Returns HTML for a terms overview form as a sortable list of terms.
danielebarchiesi@0:  *
danielebarchiesi@0:  * @param $variables
danielebarchiesi@0:  *   An associative array containing:
danielebarchiesi@0:  *   - form: A render element representing the form.
danielebarchiesi@0:  *
danielebarchiesi@0:  * @see taxonomy_overview_terms()
danielebarchiesi@0:  * @ingroup themeable
danielebarchiesi@0:  */
danielebarchiesi@0: function theme_taxonomy_overview_terms($variables) {
danielebarchiesi@0:   $form = $variables['form'];
danielebarchiesi@0: 
danielebarchiesi@0:   $page_increment  = $form['#page_increment'];
danielebarchiesi@0:   $page_entries    = $form['#page_entries'];
danielebarchiesi@0:   $back_step     = $form['#back_step'];
danielebarchiesi@0:   $forward_step  = $form['#forward_step'];
danielebarchiesi@0: 
danielebarchiesi@0:   // Add drag and drop if parent fields are present in the form.
danielebarchiesi@0:   if ($form['#parent_fields']) {
danielebarchiesi@0:     drupal_add_tabledrag('taxonomy', 'match', 'parent', 'term-parent', 'term-parent', 'term-id', FALSE);
danielebarchiesi@0:     drupal_add_tabledrag('taxonomy', 'depth', 'group', 'term-depth', NULL, NULL, FALSE);
danielebarchiesi@0:     drupal_add_js(drupal_get_path('module', 'taxonomy') . '/taxonomy.js');
danielebarchiesi@0:     drupal_add_js(array('taxonomy' => array('backStep' => $back_step, 'forwardStep' => $forward_step)), 'setting');
danielebarchiesi@0:     drupal_add_css(drupal_get_path('module', 'taxonomy') . '/taxonomy.css');
danielebarchiesi@0:   }
danielebarchiesi@0:   drupal_add_tabledrag('taxonomy', 'order', 'sibling', 'term-weight');
danielebarchiesi@0: 
danielebarchiesi@0:   $errors = form_get_errors() != FALSE ? form_get_errors() : array();
danielebarchiesi@0:   $rows = array();
danielebarchiesi@0:   foreach (element_children($form) as $key) {
danielebarchiesi@0:     if (isset($form[$key]['#term'])) {
danielebarchiesi@0:       $term = &$form[$key];
danielebarchiesi@0: 
danielebarchiesi@0:       $row = array();
danielebarchiesi@0:       $row[] = (isset($term['#term']['depth']) && $term['#term']['depth'] > 0 ? theme('indentation', array('size' => $term['#term']['depth'])) : ''). drupal_render($term['view']);
danielebarchiesi@0:       if ($form['#parent_fields']) {
danielebarchiesi@0:         $term['tid']['#attributes']['class'] = array('term-id');
danielebarchiesi@0:         $term['parent']['#attributes']['class'] = array('term-parent');
danielebarchiesi@0:         $term['depth']['#attributes']['class'] = array('term-depth');
danielebarchiesi@0:         $row[0] .= drupal_render($term['parent']) . drupal_render($term['tid']) . drupal_render($term['depth']);
danielebarchiesi@0:       }
danielebarchiesi@0:       $term['weight']['#attributes']['class'] = array('term-weight');
danielebarchiesi@0:       $row[] = drupal_render($term['weight']);
danielebarchiesi@0:       $row[] = drupal_render($term['edit']);
danielebarchiesi@0:       $row = array('data' => $row);
danielebarchiesi@0:       $rows[$key] = $row;
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   // Add necessary classes to rows.
danielebarchiesi@0:   $row_position = 0;
danielebarchiesi@0:   foreach ($rows as $key => $row) {
danielebarchiesi@0:     $rows[$key]['class'] = array();
danielebarchiesi@0:     if (isset($form['#parent_fields'])) {
danielebarchiesi@0:       $rows[$key]['class'][] = 'draggable';
danielebarchiesi@0:     }
danielebarchiesi@0: 
danielebarchiesi@0:     // Add classes that mark which terms belong to previous and next pages.
danielebarchiesi@0:     if ($row_position < $back_step || $row_position >= $page_entries - $forward_step) {
danielebarchiesi@0:       $rows[$key]['class'][] = 'taxonomy-term-preview';
danielebarchiesi@0:     }
danielebarchiesi@0: 
danielebarchiesi@0:     if ($row_position !== 0 && $row_position !== count($rows) - 1) {
danielebarchiesi@0:       if ($row_position == $back_step - 1 || $row_position == $page_entries - $forward_step - 1) {
danielebarchiesi@0:         $rows[$key]['class'][] = 'taxonomy-term-divider-top';
danielebarchiesi@0:       }
danielebarchiesi@0:       elseif ($row_position == $back_step || $row_position == $page_entries - $forward_step) {
danielebarchiesi@0:         $rows[$key]['class'][] = 'taxonomy-term-divider-bottom';
danielebarchiesi@0:       }
danielebarchiesi@0:     }
danielebarchiesi@0: 
danielebarchiesi@0:     // Add an error class if this row contains a form error.
danielebarchiesi@0:     foreach ($errors as $error_key => $error) {
danielebarchiesi@0:       if (strpos($error_key, $key) === 0) {
danielebarchiesi@0:         $rows[$key]['class'][] = 'error';
danielebarchiesi@0:       }
danielebarchiesi@0:     }
danielebarchiesi@0:     $row_position++;
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   if (empty($rows)) {
danielebarchiesi@0:     $rows[] = array(array('data' => $form['#empty_text'], 'colspan' => '3'));
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $header = array(t('Name'), t('Weight'), t('Operations'));
danielebarchiesi@0:   $output = theme('table', array('header' => $header, 'rows' => $rows, 'attributes' => array('id' => 'taxonomy')));
danielebarchiesi@0:   $output .= drupal_render_children($form);
danielebarchiesi@0:   $output .= theme('pager');
danielebarchiesi@0: 
danielebarchiesi@0:   return $output;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Form function for the term edit form.
danielebarchiesi@0:  *
danielebarchiesi@0:  * @ingroup forms
danielebarchiesi@0:  * @see taxonomy_form_term_submit()
danielebarchiesi@0:  */
danielebarchiesi@0: function taxonomy_form_term($form, &$form_state, $edit = array(), $vocabulary = NULL) {
danielebarchiesi@0:   // During initial form build, add the term entity to the form state for use
danielebarchiesi@0:   // during form building and processing. During a rebuild, use what is in the
danielebarchiesi@0:   // form state.
danielebarchiesi@0:   if (!isset($form_state['term'])) {
danielebarchiesi@0:     $term = is_object($edit) ? $edit : (object) $edit;
danielebarchiesi@0:     if (!isset($vocabulary) && isset($term->vid)) {
danielebarchiesi@0:       $vocabulary = taxonomy_vocabulary_load($term->vid);
danielebarchiesi@0:     }
danielebarchiesi@0:     $defaults = array(
danielebarchiesi@0:       'name' => '',
danielebarchiesi@0:       'description' => '',
danielebarchiesi@0:       'format' => NULL,
danielebarchiesi@0:       'vocabulary_machine_name' => isset($vocabulary) ? $vocabulary->machine_name : NULL,
danielebarchiesi@0:       'tid' => NULL,
danielebarchiesi@0:       'weight' => 0,
danielebarchiesi@0:     );
danielebarchiesi@0:     foreach ($defaults as $key => $value) {
danielebarchiesi@0:       if (!isset($term->$key)) {
danielebarchiesi@0:         $term->$key = $value;
danielebarchiesi@0:       }
danielebarchiesi@0:     }
danielebarchiesi@0:     $form_state['term'] = $term;
danielebarchiesi@0:   }
danielebarchiesi@0:   else {
danielebarchiesi@0:     $term = $form_state['term'];
danielebarchiesi@0:     if (!isset($vocabulary) && isset($term->vid)) {
danielebarchiesi@0:       $vocabulary = taxonomy_vocabulary_load($term->vid);
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $parent = array_keys(taxonomy_get_parents($term->tid));
danielebarchiesi@0:   $form['#term'] = (array) $term;
danielebarchiesi@0:   $form['#term']['parent'] = $parent;
danielebarchiesi@0:   $form['#vocabulary'] = $vocabulary;
danielebarchiesi@0: 
danielebarchiesi@0:   // Check for confirmation forms.
danielebarchiesi@0:   if (isset($form_state['confirm_delete'])) {
danielebarchiesi@0:     return array_merge($form, taxonomy_term_confirm_delete($form, $form_state, $term->tid));
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $form['name'] = array(
danielebarchiesi@0:     '#type' => 'textfield',
danielebarchiesi@0:     '#title' => t('Name'),
danielebarchiesi@0:     '#default_value' => $term->name,
danielebarchiesi@0:     '#maxlength' => 255,
danielebarchiesi@0:     '#required' => TRUE,
danielebarchiesi@0:     '#weight' => -5,
danielebarchiesi@0:   );
danielebarchiesi@0:   $form['description'] = array(
danielebarchiesi@0:     '#type' => 'text_format',
danielebarchiesi@0:     '#title' => t('Description'),
danielebarchiesi@0:     '#default_value' => $term->description,
danielebarchiesi@0:     '#format' => $term->format,
danielebarchiesi@0:     '#weight' => 0,
danielebarchiesi@0:   );
danielebarchiesi@0: 
danielebarchiesi@0:   $form['vocabulary_machine_name'] = array(
danielebarchiesi@0:     '#type' => 'value',
danielebarchiesi@0:     '#value' => isset($term->vocabulary_machine_name) ? $term->vocabulary_machine_name : $vocabulary->name,
danielebarchiesi@0:   );
danielebarchiesi@0: 
danielebarchiesi@0:   $langcode = entity_language('taxonomy_term', $term);
danielebarchiesi@0:   field_attach_form('taxonomy_term', $term, $form, $form_state, $langcode);
danielebarchiesi@0: 
danielebarchiesi@0:   $form['relations'] = array(
danielebarchiesi@0:     '#type' => 'fieldset',
danielebarchiesi@0:     '#title' => t('Relations'),
danielebarchiesi@0:     '#collapsible' => TRUE,
danielebarchiesi@0:     '#collapsed' => $vocabulary->hierarchy < 2,
danielebarchiesi@0:     '#weight' => 10,
danielebarchiesi@0:   );
danielebarchiesi@0: 
danielebarchiesi@0:   // taxonomy_get_tree and taxonomy_get_parents may contain large numbers of
danielebarchiesi@0:   // items so we check for taxonomy_override_selector before loading the
danielebarchiesi@0:   // full vocabulary. Contrib modules can then intercept before
danielebarchiesi@0:   // hook_form_alter to provide scalable alternatives.
danielebarchiesi@0:   if (!variable_get('taxonomy_override_selector', FALSE)) {
danielebarchiesi@0:     $parent = array_keys(taxonomy_get_parents($term->tid));
danielebarchiesi@0:     $children = taxonomy_get_tree($vocabulary->vid, $term->tid);
danielebarchiesi@0: 
danielebarchiesi@0:     // A term can't be the child of itself, nor of its children.
danielebarchiesi@0:     foreach ($children as $child) {
danielebarchiesi@0:       $exclude[] = $child->tid;
danielebarchiesi@0:     }
danielebarchiesi@0:     $exclude[] = $term->tid;
danielebarchiesi@0: 
danielebarchiesi@0:     $tree = taxonomy_get_tree($vocabulary->vid);
danielebarchiesi@0:     $options = array('<' . t('root') . '>');
danielebarchiesi@0:     if (empty($parent)) {
danielebarchiesi@0:       $parent = array(0);
danielebarchiesi@0:     }
danielebarchiesi@0:     foreach ($tree as $item) {
danielebarchiesi@0:       if (!in_array($item->tid, $exclude)) {
danielebarchiesi@0:         $options[$item->tid] = str_repeat('-', $item->depth) . $item->name;
danielebarchiesi@0:       }
danielebarchiesi@0:     }
danielebarchiesi@0:     $form['relations']['parent'] = array(
danielebarchiesi@0:       '#type' => 'select',
danielebarchiesi@0:       '#title' => t('Parent terms'),
danielebarchiesi@0:       '#options' => $options,
danielebarchiesi@0:       '#default_value' => $parent,
danielebarchiesi@0:       '#multiple' => TRUE,
danielebarchiesi@0:     );
danielebarchiesi@0: 
danielebarchiesi@0:   }
danielebarchiesi@0:   $form['relations']['weight'] = array(
danielebarchiesi@0:     '#type' => 'textfield',
danielebarchiesi@0:     '#title' => t('Weight'),
danielebarchiesi@0:     '#size' => 6,
danielebarchiesi@0:     '#default_value' => $term->weight,
danielebarchiesi@0:     '#description' => t('Terms are displayed in ascending order by weight.'),
danielebarchiesi@0:     '#required' => TRUE,
danielebarchiesi@0:   );
danielebarchiesi@0:   $form['vid'] = array(
danielebarchiesi@0:     '#type' => 'value',
danielebarchiesi@0:     '#value' => $vocabulary->vid,
danielebarchiesi@0:   );
danielebarchiesi@0:   $form['tid'] = array(
danielebarchiesi@0:     '#type' => 'value',
danielebarchiesi@0:     '#value' => $term->tid,
danielebarchiesi@0:   );
danielebarchiesi@0: 
danielebarchiesi@0:   $form['actions'] = array('#type' => 'actions');
danielebarchiesi@0:   $form['actions']['submit'] = array(
danielebarchiesi@0:     '#type' => 'submit',
danielebarchiesi@0:     '#value' => t('Save'),
danielebarchiesi@0:     '#weight' => 5,
danielebarchiesi@0:   );
danielebarchiesi@0: 
danielebarchiesi@0:   if ($term->tid) {
danielebarchiesi@0:     $form['actions']['delete'] = array(
danielebarchiesi@0:       '#type' => 'submit',
danielebarchiesi@0:       '#value' => t('Delete'),
danielebarchiesi@0:       '#access' => user_access("delete terms in $vocabulary->vid") || user_access('administer taxonomy'),
danielebarchiesi@0:       '#weight' => 10,
danielebarchiesi@0:     );
danielebarchiesi@0:   }
danielebarchiesi@0:   else {
danielebarchiesi@0:     $form_state['redirect'] = $_GET['q'];
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   return $form;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Validation handler for the term form.
danielebarchiesi@0:  *
danielebarchiesi@0:  * @see taxonomy_form_term()
danielebarchiesi@0:  */
danielebarchiesi@0: function taxonomy_form_term_validate($form, &$form_state) {
danielebarchiesi@0:   entity_form_field_validate('taxonomy_term', $form, $form_state);
danielebarchiesi@0: 
danielebarchiesi@0:   // Ensure numeric values.
danielebarchiesi@0:   if (isset($form_state['values']['weight']) && !is_numeric($form_state['values']['weight'])) {
danielebarchiesi@0:     form_set_error('weight', t('Weight value must be numeric.'));
danielebarchiesi@0:   }
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Submit handler to insert or update a term.
danielebarchiesi@0:  *
danielebarchiesi@0:  * @see taxonomy_form_term()
danielebarchiesi@0:  */
danielebarchiesi@0: function taxonomy_form_term_submit($form, &$form_state) {
danielebarchiesi@0:   if ($form_state['triggering_element']['#value'] == t('Delete')) {
danielebarchiesi@0:     // Execute the term deletion.
danielebarchiesi@0:     if ($form_state['values']['delete'] === TRUE) {
danielebarchiesi@0:       return taxonomy_term_confirm_delete_submit($form, $form_state);
danielebarchiesi@0:     }
danielebarchiesi@0:     // Rebuild the form to confirm term deletion.
danielebarchiesi@0:     $form_state['rebuild'] = TRUE;
danielebarchiesi@0:     $form_state['confirm_delete'] = TRUE;
danielebarchiesi@0:     return;
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $term = taxonomy_form_term_submit_build_taxonomy_term($form, $form_state);
danielebarchiesi@0: 
danielebarchiesi@0:   $status = taxonomy_term_save($term);
danielebarchiesi@0:   switch ($status) {
danielebarchiesi@0:     case SAVED_NEW:
danielebarchiesi@0:       drupal_set_message(t('Created new term %term.', array('%term' => $term->name)));
danielebarchiesi@0:       watchdog('taxonomy', 'Created new term %term.', array('%term' => $term->name), WATCHDOG_NOTICE, l(t('edit'), 'taxonomy/term/' . $term->tid . '/edit'));
danielebarchiesi@0:       break;
danielebarchiesi@0:     case SAVED_UPDATED:
danielebarchiesi@0:       drupal_set_message(t('Updated term %term.', array('%term' => $term->name)));
danielebarchiesi@0:       watchdog('taxonomy', 'Updated term %term.', array('%term' => $term->name), WATCHDOG_NOTICE, l(t('edit'), 'taxonomy/term/' . $term->tid . '/edit'));
danielebarchiesi@0:       // Clear the page and block caches to avoid stale data.
danielebarchiesi@0:       cache_clear_all();
danielebarchiesi@0:       break;
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $current_parent_count = count($form_state['values']['parent']);
danielebarchiesi@0:   $previous_parent_count = count($form['#term']['parent']);
danielebarchiesi@0:   // Root doesn't count if it's the only parent.
danielebarchiesi@0:   if ($current_parent_count == 1 && isset($form_state['values']['parent'][0])) {
danielebarchiesi@0:     $current_parent_count = 0;
danielebarchiesi@0:     $form_state['values']['parent'] = array();
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   // If the number of parents has been reduced to one or none, do a check on the
danielebarchiesi@0:   // parents of every term in the vocabulary value.
danielebarchiesi@0:   if ($current_parent_count < $previous_parent_count && $current_parent_count < 2) {
danielebarchiesi@0:     taxonomy_check_vocabulary_hierarchy($form['#vocabulary'], $form_state['values']);
danielebarchiesi@0:   }
danielebarchiesi@0:   // If we've increased the number of parents and this is a single or flat
danielebarchiesi@0:   // hierarchy, update the vocabulary immediately.
danielebarchiesi@0:   elseif ($current_parent_count > $previous_parent_count && $form['#vocabulary']->hierarchy < 2) {
danielebarchiesi@0:     $form['#vocabulary']->hierarchy = $current_parent_count == 1 ? 1 : 2;
danielebarchiesi@0:     taxonomy_vocabulary_save($form['#vocabulary']);
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $form_state['values']['tid'] = $term->tid;
danielebarchiesi@0:   $form_state['tid'] = $term->tid;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Updates the form state's term entity by processing this submission's values.
danielebarchiesi@0:  */
danielebarchiesi@0: function taxonomy_form_term_submit_build_taxonomy_term($form, &$form_state) {
danielebarchiesi@0:   $term = $form_state['term'];
danielebarchiesi@0:   entity_form_submit_build_entity('taxonomy_term', $term, $form, $form_state);
danielebarchiesi@0: 
danielebarchiesi@0:   // Convert text_format field into values expected by taxonomy_term_save().
danielebarchiesi@0:   $description = $form_state['values']['description'];
danielebarchiesi@0:   $term->description = $description['value'];
danielebarchiesi@0:   $term->format = $description['format'];
danielebarchiesi@0:   return $term;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Form builder for the term delete form.
danielebarchiesi@0:  *
danielebarchiesi@0:  * @ingroup forms
danielebarchiesi@0:  * @see taxonomy_term_confirm_delete_submit()
danielebarchiesi@0:  */
danielebarchiesi@0: function taxonomy_term_confirm_delete($form, &$form_state, $tid) {
danielebarchiesi@0:   $term = taxonomy_term_load($tid);
danielebarchiesi@0: 
danielebarchiesi@0:   // Always provide entity id in the same form key as in the entity edit form.
danielebarchiesi@0:   $form['tid'] = array('#type' => 'value', '#value' => $tid);
danielebarchiesi@0: 
danielebarchiesi@0:   $form['#term'] = $term;
danielebarchiesi@0:   $form['type'] = array('#type' => 'value', '#value' => 'term');
danielebarchiesi@0:   $form['name'] = array('#type' => 'value', '#value' => $term->name);
danielebarchiesi@0:   $form['vocabulary_machine_name'] = array('#type' => 'value', '#value' => $term->vocabulary_machine_name);
danielebarchiesi@0:   $form['delete'] = array('#type' => 'value', '#value' => TRUE);
danielebarchiesi@0:   return confirm_form($form,
danielebarchiesi@0:     t('Are you sure you want to delete the term %title?',
danielebarchiesi@0:     array('%title' => $term->name)),
danielebarchiesi@0:     'admin/structure/taxonomy',
danielebarchiesi@0:     t('Deleting a term will delete all its children if there are any. This action cannot be undone.'),
danielebarchiesi@0:     t('Delete'),
danielebarchiesi@0:     t('Cancel'));
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Submit handler to delete a term after confirmation.
danielebarchiesi@0:  *
danielebarchiesi@0:  * @see taxonomy_term_confirm_delete()
danielebarchiesi@0:  */
danielebarchiesi@0: function taxonomy_term_confirm_delete_submit($form, &$form_state) {
danielebarchiesi@0:   taxonomy_term_delete($form_state['values']['tid']);
danielebarchiesi@0:   taxonomy_check_vocabulary_hierarchy($form['#vocabulary'], $form_state['values']);
danielebarchiesi@0:   drupal_set_message(t('Deleted term %name.', array('%name' => $form_state['values']['name'])));
danielebarchiesi@0:   watchdog('taxonomy', 'Deleted term %name.', array('%name' => $form_state['values']['name']), WATCHDOG_NOTICE);
danielebarchiesi@0:   $form_state['redirect'] = 'admin/structure/taxonomy';
danielebarchiesi@0:   cache_clear_all();
danielebarchiesi@0:   return;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Form builder for the vocabulary delete confirmation form.
danielebarchiesi@0:  *
danielebarchiesi@0:  * @ingroup forms
danielebarchiesi@0:  * @see taxonomy_vocabulary_confirm_delete_submit()
danielebarchiesi@0:  */
danielebarchiesi@0: function taxonomy_vocabulary_confirm_delete($form, &$form_state, $vid) {
danielebarchiesi@0:   $vocabulary = taxonomy_vocabulary_load($vid);
danielebarchiesi@0: 
danielebarchiesi@0:   // Always provide entity id in the same form key as in the entity edit form.
danielebarchiesi@0:   $form['vid'] = array('#type' => 'value', '#value' => $vid);
danielebarchiesi@0: 
danielebarchiesi@0:   $form['#vocabulary'] = $vocabulary;
danielebarchiesi@0:   $form['#id'] = 'taxonomy_vocabulary_confirm_delete';
danielebarchiesi@0:   $form['type'] = array('#type' => 'value', '#value' => 'vocabulary');
danielebarchiesi@0:   $form['name'] = array('#type' => 'value', '#value' => $vocabulary->name);
danielebarchiesi@0:   $form['#submit'] = array('taxonomy_vocabulary_confirm_delete_submit');
danielebarchiesi@0:   return confirm_form($form,
danielebarchiesi@0:     t('Are you sure you want to delete the vocabulary %title?',
danielebarchiesi@0:     array('%title' => $vocabulary->name)),
danielebarchiesi@0:     'admin/structure/taxonomy',
danielebarchiesi@0:     t('Deleting a vocabulary will delete all the terms in it. This action cannot be undone.'),
danielebarchiesi@0:     t('Delete'),
danielebarchiesi@0:     t('Cancel'));
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Submit handler to delete a vocabulary after confirmation.
danielebarchiesi@0:  *
danielebarchiesi@0:  * @see taxonomy_vocabulary_confirm_delete()
danielebarchiesi@0:  */
danielebarchiesi@0: function taxonomy_vocabulary_confirm_delete_submit($form, &$form_state) {
danielebarchiesi@0:   $status = taxonomy_vocabulary_delete($form_state['values']['vid']);
danielebarchiesi@0:   drupal_set_message(t('Deleted vocabulary %name.', array('%name' => $form_state['values']['name'])));
danielebarchiesi@0:   watchdog('taxonomy', 'Deleted vocabulary %name.', array('%name' => $form_state['values']['name']), WATCHDOG_NOTICE);
danielebarchiesi@0:   $form_state['redirect'] = 'admin/structure/taxonomy';
danielebarchiesi@0:   cache_clear_all();
danielebarchiesi@0:   return;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Form builder to confirm resetting a vocabulary to alphabetical order.
danielebarchiesi@0:  *
danielebarchiesi@0:  * @ingroup forms
danielebarchiesi@0:  * @see taxonomy_vocabulary_confirm_reset_alphabetical_submit()
danielebarchiesi@0:  */
danielebarchiesi@0: function taxonomy_vocabulary_confirm_reset_alphabetical($form, &$form_state, $vid) {
danielebarchiesi@0:   $vocabulary = taxonomy_vocabulary_load($vid);
danielebarchiesi@0: 
danielebarchiesi@0:   $form['type'] = array('#type' => 'value', '#value' => 'vocabulary');
danielebarchiesi@0:   $form['vid'] = array('#type' => 'value', '#value' => $vid);
danielebarchiesi@0:   $form['machine_name'] = array('#type' => 'value', '#value' => $vocabulary->machine_name);
danielebarchiesi@0:   $form['name'] = array('#type' => 'value', '#value' => $vocabulary->name);
danielebarchiesi@0:   $form['reset_alphabetical'] = array('#type' => 'value', '#value' => TRUE);
danielebarchiesi@0:   return confirm_form($form,
danielebarchiesi@0:                   t('Are you sure you want to reset the vocabulary %title to alphabetical order?',
danielebarchiesi@0:                   array('%title' => $vocabulary->name)),
danielebarchiesi@0:                   'admin/structure/taxonomy/' . $vocabulary->machine_name,
danielebarchiesi@0:                   t('Resetting a vocabulary will discard all custom ordering and sort items alphabetically.'),
danielebarchiesi@0:                   t('Reset to alphabetical'),
danielebarchiesi@0:                   t('Cancel'));
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Submit handler to reset a vocabulary to alphabetical order after confirmation.
danielebarchiesi@0:  *
danielebarchiesi@0:  * @see taxonomy_vocabulary_confirm_reset_alphabetical()
danielebarchiesi@0:  */
danielebarchiesi@0: function taxonomy_vocabulary_confirm_reset_alphabetical_submit($form, &$form_state) {
danielebarchiesi@0:   db_update('taxonomy_term_data')
danielebarchiesi@0:     ->fields(array('weight' => 0))
danielebarchiesi@0:     ->condition('vid', $form_state['values']['vid'])
danielebarchiesi@0:     ->execute();
danielebarchiesi@0:   drupal_set_message(t('Reset vocabulary %name to alphabetical order.', array('%name' => $form_state['values']['name'])));
danielebarchiesi@0:   watchdog('taxonomy', 'Reset vocabulary %name to alphabetical order.', array('%name' => $form_state['values']['name']), WATCHDOG_NOTICE);
danielebarchiesi@0:   $form_state['redirect'] = 'admin/structure/taxonomy/' . $form_state['values']['machine_name'];
danielebarchiesi@0: }