<?php
namespace Drupal\paragraphs_test\Plugin\paragraphs\Behavior;
use Drupal\Core\Entity\Display\EntityViewDisplayInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\paragraphs\Entity\Paragraph;
use Drupal\paragraphs\ParagraphInterface;
use Drupal\paragraphs\ParagraphsBehaviorBase;
class TestTextColorBehavior extends ParagraphsBehaviorBase {
public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
$form['default_color'] = [
'#type' => 'textfield',
'#title' => $this
->t('Default Color'),
'#maxlength' => 255,
'#default_value' => $this->configuration['default_color'],
'#description' => $this
->t("Text color for the paragraph."),
];
return $form;
}
public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {
if ($form_state
->getValue('default_color') == 'red') {
$form_state
->setErrorByName('default_color', $this
->t('Red can not be used as the default color.'));
}
}
public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
$this->configuration['default_color'] = $form_state
->getValue('default_color');
}
public function defaultConfiguration() {
return [
'default_color' => 'blue',
];
}
public function buildBehaviorForm(ParagraphInterface $paragraph, array &$form, FormStateInterface $form_state) {
$form['text_color'] = [
'#type' => 'textfield',
'#title' => $this
->t('Color'),
'#maxlength' => 255,
'#default_value' => $paragraph
->getBehaviorSetting($this
->getPluginId(), 'text_color', $this->configuration['default_color']),
'#description' => $this
->t("Text color for the paragraph."),
];
return $form;
}
public function validateBehaviorForm(ParagraphInterface $paragraph, array &$form, FormStateInterface $form_state) {
if ($form_state
->getValue('text_color') != 'blue' && $form_state
->getValue('text_color') != 'red') {
$form_state
->setError($form, 'The only allowed values are blue and red.');
}
}
public function view(array &$build, Paragraph $paragraphs_entity, EntityViewDisplayInterface $display, $view_mode) {
if ($color = $paragraphs_entity
->getBehaviorSetting($this
->getPluginId(), 'text_color')) {
$build['#attributes']['class'][] = $color . '_plugin_text';
$build['#attached']['library'][] = 'paragraphs_test/drupal.paragraphs_test.color_text';
}
}
public function settingsSummary(Paragraph $paragraph) {
$text_color = $paragraph
->getBehaviorSetting($this->pluginId, 'text_color');
return [
[
'label' => $this
->t('Text color'),
'value' => $text_color,
],
];
}
}