/**
* {@inheritdoc}
*/
public function build(RouteMatchInterface $route_match)
{
$term = $route_match->getParameter('taxonomy_term');
// @todo This overrides any other possible breadcrumb and is a pure
// hard-coded presumption. Make this behavior configurable per
// vocabulary or term.
$breadcrumb = array();
while ($parents = taxonomy_term_load_parents($term->id())) {
$term = array_shift($parents);
$breadcrumb[] = Link::createFromRoute($term->getName(), 'entity.taxonomy_term.canonical', array('taxonomy_term' => $term->id()));
}
$breadcrumb[] = Link::createFromRoute($this->t('Home'), '<front>');
$breadcrumb = array_reverse($breadcrumb);
return $breadcrumb;
}
/**
* {@inheritdoc}
*/
public function form(array $form, FormStateInterface $form_state)
{
$term = $this->entity;
$vocab_storage = $this->entityManager->getStorage('taxonomy_vocabulary');
$vocabulary = $vocab_storage->load($term->bundle());
$parent = array_keys(taxonomy_term_load_parents($term->id()));
$form_state['taxonomy']['parent'] = $parent;
$form_state['taxonomy']['vocabulary'] = $vocabulary;
$language_configuration = $this->moduleHandler->moduleExists('language') ? language_get_default_configuration('taxonomy_term', $vocabulary->id()) : FALSE;
$form['langcode'] = array('#type' => 'language_select', '#title' => $this->t('Language'), '#languages' => LanguageInterface::STATE_ALL, '#default_value' => $term->getUntranslated()->language()->id, '#access' => !empty($language_configuration['language_show']));
$form['relations'] = array('#type' => 'details', '#title' => $this->t('Relations'), '#open' => $vocabulary->hierarchy == TAXONOMY_HIERARCHY_MULTIPLE, '#weight' => 10);
// taxonomy_get_tree and taxonomy_term_load_parents may contain large
// numbers of items so we check for taxonomy.settings:override_selector
// before loading the full vocabulary. Contrib modules can then intercept
// before hook_form_alter to provide scalable alternatives.
if (!$this->config('taxonomy.settings')->get('override_selector')) {
$parent = array_keys(taxonomy_term_load_parents($term->id()));
$children = taxonomy_get_tree($vocabulary->id(), $term->id());
// A term can't be the child of itself, nor of its children.
foreach ($children as $child) {
$exclude[] = $child->tid;
}
$exclude[] = $term->id();
$tree = taxonomy_get_tree($vocabulary->id());
$options = array('<' . $this->t('root') . '>');
if (empty($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' => $this->t('Parent terms'), '#options' => $options, '#default_value' => $parent, '#multiple' => TRUE);
}
$form['relations']['weight'] = array('#type' => 'textfield', '#title' => $this->t('Weight'), '#size' => 6, '#default_value' => $term->getWeight(), '#description' => $this->t('Terms are displayed in ascending order by weight.'), '#required' => TRUE);
$form['vid'] = array('#type' => 'value', '#value' => $vocabulary->id());
$form['tid'] = array('#type' => 'value', '#value' => $term->id());
if ($term->isNew()) {
$form_state['redirect'] = current_path();
}
return parent::form($form, $form_state, $term);
}
/**
* Function to set up the FAQ breadcrumbs for a given taxonomy term.
*
* @param $term
* The taxonomy term object.
*/
public static function setFaqBreadcrumb($term = NULL)
{
$faq_settings = \Drupal::config('faq.settings');
$site_settings = \Drupal::config('system.site');
$breadcrumb = array();
if ($faq_settings->get('custom_breadcrumbs')) {
if (\Drupal::moduleHandler()->moduleExists('taxonomy') && $term) {
$breadcrumb[] = l(t($term->getName()), 'faq-page/' . $term->id());
while ($parents = taxonomy_term_load_parents($term->id())) {
$term = array_shift($parents);
$breadcrumb[] = l(t($term->getName()), 'faq-page/' . $term->id());
}
}
$breadcrumb[] = l($faq_settings->get('title'), 'faq-page');
$breadcrumb[] = l(t('Home'), NULL, array('attributes' => array('title' => $site_settings->get('name'))));
$breadcrumb = array_reverse($breadcrumb);
}
return $breadcrumb;
}
/**
* Tests the Drupal 6 taxonomy term to Drupal 8 migration.
*/
public function testTaxonomyTerms()
{
$expected_results = array('1' => array('source_vid' => 1, 'vid' => 'vocabulary_1_i_0_', 'weight' => 0, 'parent' => array(2)), '2' => array('source_vid' => 2, 'vid' => 'vocabulary_2_i_1_', 'weight' => 3, 'parent' => array(0)), '3' => array('source_vid' => 2, 'vid' => 'vocabulary_2_i_1_', 'weight' => 4, 'parent' => array(2)), '4' => array('source_vid' => 3, 'vid' => 'vocabulary_3_i_2_', 'weight' => 6, 'parent' => array(0)), '5' => array('source_vid' => 3, 'vid' => 'vocabulary_3_i_2_', 'weight' => 7, 'parent' => array(4)), '6' => array('source_vid' => 3, 'vid' => 'vocabulary_3_i_2_', 'weight' => 8, 'parent' => array(4, 5)));
$terms = Term::loadMultiple(array_keys($expected_results));
foreach ($expected_results as $tid => $values) {
/** @var Term $term */
$term = $terms[$tid];
$this->assertIdentical($term->name->value, "term {$tid} of vocabulary {$values['source_vid']}");
$this->assertIdentical($term->description->value, "description of term {$tid} of vocabulary {$values['source_vid']}");
$this->assertEqual($term->vid->target_id, $values['vid']);
$this->assertEqual($term->weight->value, $values['weight']);
if ($values['parent'] === array(0)) {
$this->assertEqual($term->parent->target_id, 0);
} else {
$parents = array();
foreach (taxonomy_term_load_parents($tid) as $parent) {
$parents[] = $parent->id();
}
$this->assertEqual($values['parent'], $parents);
}
}
}
/**
* {@inheritdoc}
*/
public static function postDelete(EntityStorageInterface $storage, array $entities)
{
parent::postDelete($storage, $entities);
// See if any of the term's children are about to be become orphans.
$orphans = array();
foreach (array_keys($entities) as $tid) {
if ($children = taxonomy_term_load_children($tid)) {
foreach ($children as $child) {
// If the term has multiple parents, we don't delete it.
$parents = taxonomy_term_load_parents($child->id());
if (empty($parents)) {
$orphans[] = $child->id();
}
}
}
}
// Delete term hierarchy information after looking up orphans but before
// deleting them so that their children/parent information is consistent.
$storage->deleteTermHierarchy(array_keys($entities));
if (!empty($orphans)) {
entity_delete_multiple('taxonomy_term', $orphans);
}
}
/**
* Tests term indentation.
*/
function testTermIndentation()
{
// Create three taxonomy terms.
$term1 = $this->createTerm($this->vocabulary);
$term2 = $this->createTerm($this->vocabulary);
$term3 = $this->createTerm($this->vocabulary);
// Indent the second term under the first one.
$edit = array('terms[tid:' . $term2->id() . ':0][term][tid]' => 2, 'terms[tid:' . $term2->id() . ':0][term][parent]' => 1, 'terms[tid:' . $term2->id() . ':0][term][depth]' => 1, 'terms[tid:' . $term2->id() . ':0][weight]' => 1);
// Submit the edited form and check for HTML indentation element presence.
$this->drupalPostForm('admin/structure/taxonomy/manage/' . $this->vocabulary->get('vid') . '/overview', $edit, t('Save'));
$this->assertPattern('|<div class="indentation"> </div>|');
// Check explicitly that term 2's parent is term 1.
$parents = taxonomy_term_load_parents($term2->id());
$this->assertEqual(key($parents), 1, 'Term 1 is the term 2\'s parent');
// Move the second term back out to the root level.
$edit = array('terms[tid:' . $term2->id() . ':0][term][tid]' => 2, 'terms[tid:' . $term2->id() . ':0][term][parent]' => 0, 'terms[tid:' . $term2->id() . ':0][term][depth]' => 0, 'terms[tid:' . $term2->id() . ':0][weight]' => 1);
$this->drupalPostForm('admin/structure/taxonomy/manage/' . $this->vocabulary->get('vid') . '/overview', $edit, t('Save'));
// All terms back at the root level, no identation should be present.
$this->assertNoPattern('|<div class="indentation"> </div>|');
// Check explicitly that term 2 has no parents.
drupal_static_reset();
$parents = taxonomy_term_load_parents($term2->id());
$this->assertTrue(empty($parents), 'Term 2 has no parents now');
}
/**
* Test saving a term with multiple parents through the UI.
*/
function testTermMultipleParentsInterface()
{
// Add a new term to the vocabulary so that we can have multiple parents.
$parent = $this->createTerm($this->vocabulary);
// Add a new term with multiple parents.
$edit = array('name[0][value]' => $this->randomMachineName(12), 'description[0][value]' => $this->randomMachineName(100), 'parent[]' => array(0, $parent->id()));
// Save the new term.
$this->drupalPostForm('admin/structure/taxonomy/manage/' . $this->vocabulary->id() . '/add', $edit, t('Save'));
// Check that the term was successfully created.
$terms = taxonomy_term_load_multiple_by_name($edit['name[0][value]']);
$term = reset($terms);
$this->assertNotNull($term, 'Term found in database.');
$this->assertEqual($edit['name[0][value]'], $term->getName(), 'Term name was successfully saved.');
$this->assertEqual($edit['description[0][value]'], $term->getDescription(), 'Term description was successfully saved.');
// Check that the parent tid is still there. The other parent (<root>) is
// not added by taxonomy_term_load_parents().
$parents = taxonomy_term_load_parents($term->id());
$parent = reset($parents);
$this->assertEqual($edit['parent[]'][1], $parent->id(), 'Term parents were successfully saved.');
}
/**
* Returns a select box for available parent terms.
*
* @param int $tid
* ID of the term that is being added or edited.
* @param string $title
* Title for the select box.
*
* @return array
* A select form element.
*/
protected function forumParentSelect($tid, $title)
{
// @todo Inject a taxonomy service when one exists.
$parents = taxonomy_term_load_parents($tid);
if ($parents) {
$parent = array_shift($parents);
$parent = $parent->id();
} else {
$parent = 0;
}
$vid = $this->config('forum.settings')->get('vocabulary');
// @todo Inject a taxonomy service when one exists.
$children = taxonomy_get_tree($vid, $tid, NULL, TRUE);
// A term can't be the child of itself, nor of its children.
foreach ($children as $child) {
$exclude[] = $child->tid;
}
$exclude[] = $tid;
// @todo Inject a taxonomy service when one exists.
$tree = taxonomy_get_tree($vid, 0, NULL, TRUE);
$options[0] = '<' . $this->t('root') . '>';
if ($tree) {
foreach ($tree as $term) {
if (!in_array($term->id(), $exclude)) {
$options[$term->id()] = str_repeat(' -- ', $term->depth) . $term->getName();
}
}
}
$description = $this->t('Forums may be placed at the top (root) level, or inside another container or forum.');
return array('#type' => 'select', '#title' => $title, '#default_value' => $parent, '#options' => $options, '#description' => $description, '#required' => TRUE);
}
