src/Plugin/Field/FieldWidget/CommentTimerWidget.php

gistfile1.txt

<?php

/**
 * @file
 * Contains \Drupal\comment_timer\Plugin\Field\FieldWidget\NumberWidget.
 */

namespace Drupal\comment_timer\Plugin\Field\FieldWidget;

use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Field\WidgetBase;
use Drupal\Core\Form\FormStateInterface;

/**
 * Plugin implementation of the 'comment_timer' widget.
 *
 * @FieldWidget(
 *   id = "comment_timer",
 *   label = @Translation("Comment Timer"),
 *   field_types = {
 *     "integer"
 *   }
 * )
 */

class CommentTimerWidget extends WidgetBase {

  /**
  * {@inheritdoc}
  */
  public static function isApplicable(FieldDefinitionInterface $field_definition) {
    return ($field_definition->getTargetEntityTypeID() === 'comment');
  }

  public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
    // $element += array(
    //   '#type' => 'number',
    //   '#default_value' => $value,
    //   '#placeholder' => $this->getSetting('placeholder'),
    //   '#attached' => array(
    //     'library' => array(
    //       'comment_timer/comment_timer'
    //     )
    //   )
    // );

    $element += array(
      '#type' => 'fieldset',
      '#prefix' => '<div class="container-inline">',
      '#suffix' => '</div>',
      '#collapsible' => TRUE,
      '#collapsed' => FALSE,
      '#tree' => TRUE,
      '#title' => t('Comment timer'),
      '#attached' => array(
        'library' => array(
          'comment_timer/comment_timer'
        )
      )
    );


    $element['seconds'] = array(
      '#type' => 'textfield',
      '#description' => t('Time to store (hh:mm:ss)'),
      '#size' => '8',
      '#default_value' => '',
    );
    $element['elapsed'] = array(
      '#type' => 'textfield',
      '#description' => t('Time spent (hh:mm:ss)'),
      '#size' => '8',
      '#default_value' => _comment_timer_seconds_to_hms($seconds),
      // This is the ID the JS works on.
      '#id' => 'edit-comment-timer-counter',
    );
    $element['status'] = array(
      '#type' => 'select',
      '#default_value' => $status,
      '#options' => array(
        1 => t('Include in node time'),
        0 => t('Exclude from node time'),
      ),
    );
    $element['reset'] = array(
      '#type' => 'button',
      '#value' => t('Reset'),
      // This is the ID the JS works on.
      '#id' => 'edit-comment-timer-reset',
    );
    $element['pause'] = array(
      '#type' => 'button',
      '#value' => t('Pause'),
      // This is the ID the JS works on.
      '#id' => 'edit-comment-timer-pause',
    );

    // Set the step for floating point and decimal numbers.
    switch ($this->fieldDefinition->getType()) {
      case 'decimal':
        $element['#step'] = pow(0.1, $field_settings['scale']);
        break;

      case 'float':
        $element['#step'] = 'any';
        break;
    }

    // Set minimum and maximum.
    if (is_numeric($field_settings['min'])) {
      $element['#min'] = $field_settings['min'];
    }
    if (is_numeric($field_settings['max'])) {
      $element['#max'] = $field_settings['max'];
    }

    // Add prefix and suffix.
    if ($field_settings['prefix']) {
      $prefixes = explode('|', $field_settings['prefix']);
      $element['#field_prefix'] = $this->fieldFilterXss(array_pop($prefixes));
    }
    if ($field_settings['suffix']) {
      $suffixes = explode('|', $field_settings['suffix']);
      $element['#field_suffix'] = $this->fieldFilterXss(array_pop($suffixes));
    }

    return array('value' => $element);
  }

}

Uncaught PHP Exception Drupal\Component\Plugin\Exception\PluginException: "Plugin (comment_timer) instance class "Drupal\comment_timer\Plugin\Field\FieldWidget\CommentTimerWidget" does not exist." at /var/www/article_work/sandbox/core/lib/Drupal/Component/Plugin/Factory/DefaultFactory.php

[Tue Jan 27 06:37:13 2015] [error] [client 192.168.50.1] Uncaught PHP Exception Drupal\Core\Entity\EntityStorageException: "SQLSTATE[42S22]: Column not found: 1054 Unknown column 'comment_timer' in 'field list': INSERT INTO {comment_field_data} (cid, comment_type, langcode, pid, entity_id, subject, uid, name, mail, homepage, hostname, created, changed, status, thread, entity_type, field_name, comment_timer, default_langcode) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3, :db_insert_placeholder_4, :db_insert_placeholder_5, :db_insert_placeholder_6, :db_insert_placeholder_7, :db_insert_placeholder_8, :db_insert_placeholder_9, :db_insert_placeholder_10, :db_insert_placeholder_11, :db_insert_placeholder_12, :db_insert_placeholder_13, :db_insert_placeholder_14, :db_insert_placeholder_15, :db_insert_placeholder_16, :db_insert_placeholder_17, :db_insert_placeholder_18); Array\n(\n [:db_insert_placeholder_0] => 15\n [:db_insert_placeholder_1] => comment\n [:db_insert_placeholder_2] => en\n [:db_insert_placeholder_3] => 0\n [:db_insert_placeholder_4] => 1\n [:db_insert_placeholder_5] => 1\n [:db_insert_placeholder_6] => 1\n [:db_insert_placeholder_7] => cmcintosh\n [:db_insert_placeholder_8] => \n [:db_insert_placeholder_9] => \n [:db_insert_placeholder_10] => 192.168.50.1\n [:db_insert_placeholder_11] => 1422340632\n [:db_insert_placeholder_12] => 1422340632\n [:db_insert_placeholder_13] => 1\n [:db_insert_placeholder_14] => 0c/\n [:db_insert_placeholder_15] => node\n [:db_insert_placeholder_16] => comment\n [:db_insert_placeholder_17] => 1\n [:db_insert_placeholder_18] => 1\n)\n" at /var/www/article_work/sandbox/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php line 913, referer: http://sandbox.dev/comment/reply/node/1/comment