diff core/modules/taxonomy/src/TermForm.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/taxonomy/src/TermForm.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,164 @@
+<?php
+
+namespace Drupal\taxonomy;
+
+use Drupal\Core\Entity\ContentEntityForm;
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Base for handler for taxonomy term edit forms.
+ */
+class TermForm extends ContentEntityForm {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function form(array $form, FormStateInterface $form_state) {
+    $term = $this->entity;
+    $vocab_storage = $this->entityManager->getStorage('taxonomy_vocabulary');
+    $taxonomy_storage = $this->entityManager->getStorage('taxonomy_term');
+    $vocabulary = $vocab_storage->load($term->bundle());
+
+    $parent = array_keys($taxonomy_storage->loadParents($term->id()));
+    $form_state->set(['taxonomy', 'parent'], $parent);
+    $form_state->set(['taxonomy', 'vocabulary'], $vocabulary);
+
+    $form['relations'] = [
+      '#type' => 'details',
+      '#title' => $this->t('Relations'),
+      '#open' => $vocabulary->getHierarchy() == VocabularyInterface::HIERARCHY_MULTIPLE,
+      '#weight' => 10,
+    ];
+
+    // \Drupal\taxonomy\TermStorageInterface::loadTree() and
+    // \Drupal\taxonomy\TermStorageInterface::loadParents() may contain large
+    // numbers of items so we check for taxonomy.settings:override_selector
+    // before loading the full vocabulary. Contrib modules can then intercept
+    // before hook_form_alter to provide scalable alternatives.
+    if (!$this->config('taxonomy.settings')->get('override_selector')) {
+      $parent = array_keys($taxonomy_storage->loadParents($term->id()));
+      $children = $taxonomy_storage->loadTree($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 = $taxonomy_storage->loadTree($vocabulary->id());
+      $options = ['<' . $this->t('root') . '>'];
+      if (empty($parent)) {
+        $parent = [0];
+      }
+
+      foreach ($tree as $item) {
+        if (!in_array($item->tid, $exclude)) {
+          $options[$item->tid] = str_repeat('-', $item->depth) . $item->name;
+        }
+      }
+
+      $form['relations']['parent'] = [
+        '#type' => 'select',
+        '#title' => $this->t('Parent terms'),
+        '#options' => $options,
+        '#default_value' => $parent,
+        '#multiple' => TRUE,
+      ];
+    }
+
+    $form['relations']['weight'] = [
+      '#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'] = [
+      '#type' => 'value',
+      '#value' => $vocabulary->id(),
+    ];
+
+    $form['tid'] = [
+      '#type' => 'value',
+      '#value' => $term->id(),
+    ];
+
+    return parent::form($form, $form_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function validateForm(array &$form, FormStateInterface $form_state) {
+    parent::validateForm($form, $form_state);
+
+    // Ensure numeric values.
+    if ($form_state->hasValue('weight') && !is_numeric($form_state->getValue('weight'))) {
+      $form_state->setErrorByName('weight', $this->t('Weight value must be numeric.'));
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildEntity(array $form, FormStateInterface $form_state) {
+    $term = parent::buildEntity($form, $form_state);
+
+    // Prevent leading and trailing spaces in term names.
+    $term->setName(trim($term->getName()));
+
+    // Assign parents with proper delta values starting from 0.
+    $term->parent = array_keys($form_state->getValue('parent'));
+
+    return $term;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function save(array $form, FormStateInterface $form_state) {
+    $term = $this->entity;
+
+    $result = $term->save();
+
+    $edit_link = $term->link($this->t('Edit'), 'edit-form');
+    $view_link = $term->link($term->getName());
+    switch ($result) {
+      case SAVED_NEW:
+        drupal_set_message($this->t('Created new term %term.', ['%term' => $view_link]));
+        $this->logger('taxonomy')->notice('Created new term %term.', ['%term' => $term->getName(), 'link' => $edit_link]);
+        break;
+      case SAVED_UPDATED:
+        drupal_set_message($this->t('Updated term %term.', ['%term' => $view_link]));
+        $this->logger('taxonomy')->notice('Updated term %term.', ['%term' => $term->getName(), 'link' => $edit_link]);
+        break;
+    }
+
+    $current_parent_count = count($form_state->getValue('parent'));
+    $previous_parent_count = count($form_state->get(['taxonomy', 'parent']));
+    // Root doesn't count if it's the only parent.
+    if ($current_parent_count == 1 && $form_state->hasValue(['parent', 0])) {
+      $current_parent_count = 0;
+      $form_state->setValue('parent', []);
+    }
+
+    // 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.
+    $vocabulary = $form_state->get(['taxonomy', 'vocabulary']);
+    if ($current_parent_count < $previous_parent_count && $current_parent_count < 2) {
+      taxonomy_check_vocabulary_hierarchy($vocabulary, $form_state->getValues());
+    }
+    // If we've increased the number of parents and this is a single or flat
+    // hierarchy, update the vocabulary immediately.
+    elseif ($current_parent_count > $previous_parent_count && $vocabulary->getHierarchy() != VocabularyInterface::HIERARCHY_MULTIPLE) {
+      $vocabulary->setHierarchy($current_parent_count == 1 ? VocabularyInterface::HIERARCHY_SINGLE : VocabularyInterface::HIERARCHY_MULTIPLE);
+      $vocabulary->save();
+    }
+
+    $form_state->setValue('tid', $term->id());
+    $form_state->set('tid', $term->id());
+  }
+
+}