Issue #1751244 by pcambra, yched: Convert taxonomy module widgets to Plugin system.
webchick
parent
ebb1e56c2e
commit
8050524678
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<?php
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/**
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* @file
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* Definition of Drupal\taxonomy\Plugin\field\widget\TaxonomyAutocompleteWidget.
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*/
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namespace Drupal\taxonomy\Plugin\field\widget;
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use Drupal\Core\Annotation\Plugin;
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use Drupal\Core\Annotation\Translation;
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use Drupal\field\Plugin\Type\Widget\WidgetBase;
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/**
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* Plugin implementation of the 'taxonomy_autocomplete' widget.
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*
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* @Plugin(
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* id = "taxonomy_autocomplete",
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* module = "taxonomy",
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* label = @Translation("Autocomplete term widget (tagging)"),
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* field_types = {
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* "taxonomy_term_reference"
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* },
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* settings = {
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* "size" = "60",
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* "autocomplete_path" = "taxonomy/autocomplete"
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* },
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* multiple_values = TRUE
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* )
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*/
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class TaxonomyAutocompleteWidget extends WidgetBase {
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/**
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* Implements Drupal\field\Plugin\Type\Widget\WidgetInterface::formElement().
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*/
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public function formElement(array $items, $delta, array $element, $langcode, array &$form, array &$form_state) {
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$field = $this->field;
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$tags = array();
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foreach ($items as $item) {
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$tags[$item['tid']] = isset($item['taxonomy_term']) ? $item['taxonomy_term'] : taxonomy_term_load($item['tid']);
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}
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$element += array(
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'#type' => 'textfield',
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'#default_value' => taxonomy_implode_tags($tags),
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'#autocomplete_path' => $this->getSetting('autocomplete_path') . '/' . $field['field_name'],
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'#size' => $this->getSetting('size'),
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'#maxlength' => 1024,
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'#element_validate' => array('taxonomy_autocomplete_validate'),
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);
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return $element;
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}
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/**
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* Implements Drupal\field\Plugin\Type\Widget\WidgetInterface::massageFormValues()
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*/
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public function massageFormValues(array $values, array $form, array &$form_state) {
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// Autocomplete widgets do not send their tids in the form, so we must detect
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// them here and process them independently.
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$terms = array();
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$field = $this->field;
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// Collect candidate vocabularies.
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foreach ($field['settings']['allowed_values'] as $tree) {
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if ($vocabulary = taxonomy_vocabulary_machine_name_load($tree['vocabulary'])) {
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$vocabularies[$vocabulary->vid] = $vocabulary;
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}
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}
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// Translate term names into actual terms.
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foreach($values as $value) {
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// See if the term exists in the chosen vocabulary and return the tid;
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// otherwise, create a new 'autocreate' term for insert/update.
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if ($possibilities = entity_load_multiple_by_properties('taxonomy_term', array('name' => trim($value), 'vid' => array_keys($vocabularies)))) {
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$term = array_pop($possibilities);
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}
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else {
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$vocabulary = reset($vocabularies);
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$term = array(
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'tid' => 'autocreate',
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'vid' => $vocabulary->vid,
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'name' => $value,
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'vocabulary_machine_name' => $vocabulary->machine_name,
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);
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}
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$terms[] = (array)$term;
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}
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return $terms;
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}
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}
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@ -1174,25 +1174,6 @@ function taxonomy_field_info() {
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);
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}
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/**
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* Implements hook_field_widget_info().
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*/
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function taxonomy_field_widget_info() {
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return array(
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'taxonomy_autocomplete' => array(
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'label' => t('Autocomplete term widget (tagging)'),
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'field types' => array('taxonomy_term_reference'),
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'settings' => array(
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'size' => 60,
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'autocomplete_path' => 'taxonomy/autocomplete',
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),
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'behaviors' => array(
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'multiple values' => FIELD_BEHAVIOR_CUSTOM,
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),
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),
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);
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}
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/**
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* Implements hook_field_widget_info_alter().
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*/
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@ -1449,74 +1430,19 @@ function taxonomy_term_title(Term $term) {
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return $term->label();
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}
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/**
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* Implements hook_field_widget_form().
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*/
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function taxonomy_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {
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$tags = array();
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foreach ($items as $item) {
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$tags[$item['tid']] = isset($item['taxonomy_term']) ? $item['taxonomy_term'] : taxonomy_term_load($item['tid']);
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}
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$element += array(
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'#type' => 'textfield',
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'#default_value' => taxonomy_implode_tags($tags),
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'#autocomplete_path' => $instance['widget']['settings']['autocomplete_path'] . '/' . $field['field_name'],
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'#size' => $instance['widget']['settings']['size'],
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'#maxlength' => 1024,
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'#element_validate' => array('taxonomy_autocomplete_validate'),
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);
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return $element;
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}
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/**
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* Form element validate handler for taxonomy term autocomplete element.
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*/
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function taxonomy_autocomplete_validate($element, &$form_state) {
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// Autocomplete widgets do not send their tids in the form, so we must detect
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// them here and process them independently.
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$value = array();
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// Split the values into an array.
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// @see Drupal\taxonomy\Plugin\field\widget\TaxonomyAutocompleteWidget:massageFormValues()
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$typed_terms = array();
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if ($tags = $element['#value']) {
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// Collect candidate vocabularies.
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$field = field_widget_field($element, $form_state);
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$vocabularies = array();
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foreach ($field['settings']['allowed_values'] as $tree) {
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if ($vocabulary = taxonomy_vocabulary_machine_name_load($tree['vocabulary'])) {
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$vocabularies[$vocabulary->vid] = $vocabulary;
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}
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}
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// Translate term names into actual terms.
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$typed_terms = drupal_explode_tags($tags);
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foreach ($typed_terms as $typed_term) {
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// See if the term exists in the chosen vocabulary and return the tid;
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// otherwise, create a new 'autocreate' term for insert/update.
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if ($possibilities = entity_load_multiple_by_properties('taxonomy_term', array('name' => trim($typed_term), 'vid' => array_keys($vocabularies)))) {
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$term = array_pop($possibilities);
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}
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else {
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$vocabulary = reset($vocabularies);
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$term = array(
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'tid' => 'autocreate',
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'vid' => $vocabulary->vid,
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'name' => $typed_term,
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'vocabulary_machine_name' => $vocabulary->machine_name,
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);
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}
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$value[] = (array)$term;
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}
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}
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form_set_value($element, $value, $form_state);
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form_set_value($element, $typed_terms, $form_state);
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}
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/**
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* Implements hook_field_widget_error().
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*/
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function taxonomy_field_widget_error($element, $error, $form, &$form_state) {
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form_error($element, $error['message']);
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}
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/**
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* Implements hook_field_settings_form().
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*/
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