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