FullCalendarDisplay.php in Fullcalendar View 8

Namespace

Drupal\fullcalendar_view\Plugin\views\style

File

src/Plugin/views/style/FullCalendarDisplay.php

<?php

namespace Drupal\fullcalendar_view\Plugin\views\style;

use Drupal\field\Entity\FieldStorageConfig;
use Drupal\fullcalendar_view\TaxonomyColor;
use Drupal\core\form\FormStateInterface;
use Drupal\views\Plugin\views\style\StylePluginBase;
use Drupal\Core\Datetime\DrupalDateTime;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Style plugin to render content for FullCalendar.
 *
 * @ingroup views_style_plugins
 *
 * @ViewsStyle(
 *   id = "fullcalendar_view_display",
 *   title = @Translation("Full Calendar Dispaly"),
 *   help = @Translation("Render contents in Full Calendar view."),
 *   theme = "views_view_fullcalendar",
 *   display_types = { "normal" }
 * )
 */
class FullCalendarDisplay extends StylePluginBase {

  /**
   * Does the style plugin for itself support to add fields to it's output.
   *
   * @var bool
   */
  protected $usesFields = TRUE;
  protected $taxonomyColorService;

  /**
   * Constructs a PluginBase object.
   *
   * @param array $configuration
   *   A configuration array containing information about the plugin instance.
   * @param string $plugin_id
   *   The plugin_id for the plugin instance.
   * @param mixed $plugin_definition
   *   The plugin implementation definition.
   * @param \Drupal\fullcalendar_view\TaxonomyColor $taxonomyColorService
   *   The Taxonomy Color Service object.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, TaxonomyColor $taxonomyColorService) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->taxonomyColorService = $taxonomyColorService;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition, $container
      ->get('fullcalendar_view.taxonomy_color'));
  }

  /**
   * {@inheritdoc}
   */
  protected function defineOptions() {
    $options = parent::defineOptions();
    $options['defaultDate'] = [
      'default' => '',
    ];
    $options['start'] = [
      'default' => '',
    ];
    $options['end'] = [
      'default' => '',
    ];
    $options['business_start'] = [
      'default' => '',
    ];
    $options['business_end'] = [
      'default' => '',
    ];
    $options['content_type'] = [
      'default' => '',
    ];
    $options['tax_field'] = [
      'default' => '',
    ];
    $options['color_contents'] = [
      'default' => [],
    ];
    $options['color_taxonomies'] = [
      'default' => [],
    ];
    $options['vocabularies'] = [
      'default' => '',
    ];
    $options['right_buttons'] = [
      'default' => [
        'agendaWeek' => 'agendaWeek',
        'agendaDay' => 'agendaDay',
        'listYear' => 'listYear',
      ],
    ];
    return $options;
  }

  /**
   * {@inheritdoc}
   */
  public function buildOptionsForm(&$form, FormStateInterface $form_state) {
    parent::buildOptionsForm($form, $form_state);

    // Remove the grouping setting.
    if (isset($form['grouping'])) {
      unset($form['grouping']);
    }

    // Default date of the calendar.
    $form['defaultDate'] = [
      '#type' => 'date',
      '#title' => t('Default Date'),
      '#default_value' => isset($this->options['defaultDate']) ? $this->options['defaultDate'] : '',
      '#description' => t('The initial date displayed when the calendar first loads. It should be in ISO 8601 format. For example: 2018-01-24'),
    ];

    // All selected fields.
    $field_names = $this->displayHandler
      ->getFieldLabels();

    // Field name of start date.
    $form['start'] = [
      '#title' => $this
        ->t('Start Date Field'),
      '#type' => 'select',
      '#options' => $field_names,
      '#default_value' => !empty($this->options['start']) ? $this->options['start'] : '',
    ];

    // Field name of end date.
    $form['end'] = [
      '#title' => $this
        ->t('End Date Field'),
      '#type' => 'select',
      '#options' => $field_names,
      '#empty_value' => '',
      '#default_value' => !empty($this->options['end']) ? $this->options['end'] : '',
    ];

    // Display settings.
    $form['display'] = [
      '#type' => 'details',
      '#title' => t('Display'),
      '#description' => t('Calendar display settings.'),
    ];

    // Right side buttons.
    $form['right_buttons'] = [
      '#type' => 'checkboxes',
      '#fieldset' => 'display',
      '#options' => [
        'agendaWeek' => $this
          ->t('Week'),
        'agendaDay' => $this
          ->t('Day'),
        'listYear' => $this
          ->t('List'),
      ],
      '#default_value' => empty($this->options['right_buttons']) ? [] : $this->options['right_buttons'],
      '#title' => $this
        ->t('Right side buttons'),
    ];

    // Legend colors.
    $form['colors'] = [
      '#type' => 'details',
      '#title' => t('Legend Colors'),
      '#description' => t('Set color value of legends for each content type or each taxonomy.'),
    ];

    // All vocabularies.
    $cabNames = taxonomy_vocabulary_get_names();

    // Taxonomy reference field.
    $tax_fields = [];

    // Find out all taxonomy reference fields of this View.
    foreach ($field_names as $field_name => $lable) {
      $field_conf = FieldStorageConfig::loadByName('node', $field_name);
      if (empty($field_conf)) {
        continue;
      }
      if ($field_conf
        ->getType() == 'entity_reference') {
        $tax_fields[$field_name] = $lable;
      }
    }

    // Field name of event taxonomy.
    $form['tax_field'] = [
      '#title' => $this
        ->t('Event Taxonomy Field'),
      '#description' => t('In order to specify colors for event taxonomies, you must select a taxonomy reference field for the View.'),
      '#type' => 'select',
      '#options' => $tax_fields,
      '#empty_value' => '',
      '#disabled' => empty($tax_fields),
      '#fieldset' => 'colors',
      '#default_value' => !empty($this->options['tax_field']) ? $this->options['tax_field'] : '',
    ];

    // Color for vocabularies.
    $form['vocabularies'] = [
      '#title' => $this
        ->t('Vocabularies'),
      '#type' => 'select',
      '#options' => $cabNames,
      '#empty_value' => '',
      '#fieldset' => 'colors',
      '#description' => t('Specify which vocabulary is using for calendar event color. If the vocabulary selected is not the one that the taxonomy field belonging to, the color setting would be ignored.'),
      '#default_value' => !empty($this->options['vocabularies']) ? $this->options['vocabularies'] : '',
      '#states' => [
        // Only show this field when the 'tax_field' is selected.
        'invisible' => [
          [
            ':input[name="style_options[tax_field]"]' => [
              'value' => '',
            ],
          ],
        ],
      ],
      '#ajax' => [
        'callback' => 'Drupal\\fullcalendar_view\\Plugin\\views\\style\\FullCalendarDisplay::taxonomyColorCallback',
        'event' => 'change',
        'wrapper' => 'color-taxonomies-div',
        'progress' => [
          'type' => 'throbber',
          'message' => t('Verifying entry...'),
        ],
      ],
    ];
    if (!isset($form_state
      ->getUserInput()['style_options'])) {

      // Taxonomy color input boxes.
      $form['color_taxonomies'] = $this->taxonomyColorService
        ->colorInputBoxs($this->options['vocabularies'], $this->options['color_taxonomies']);
    }

    // Content type colors.
    $form['color_contents'] = [
      '#type' => 'details',
      '#title' => t('Colors for Content Types'),
      '#description' => t('Specify colors for each content type. If taxonomy color is specified, this settings would be ignored.'),
      '#fieldset' => 'colors',
    ];

    // All content types.
    $contentTypes = \Drupal::service('entity_type.manager')
      ->getStorage('node_type')
      ->loadMultiple();

    // Options list.
    $contentTypesList = [];
    foreach ($contentTypes as $contentType) {
      $id = $contentType
        ->id();
      $label = $contentType
        ->label();
      $contentTypesList[$id] = $label;

      // Content type colors.
      $form['color_contents'][$id] = [
        '#title' => $label,
        '#default_value' => isset($this->options['color_contents'][$id]) ? $this->options['color_contents'][$id] : '#3a87ad',
        '#type' => 'color',
      ];
    }
    $moduleHandler = \Drupal::service('module_handler');
    if ($moduleHandler
      ->moduleExists('calendar_recurring_event')) {

      // Recurring event.
      $form['recurring'] = [
        '#type' => 'details',
        '#title' => t('Recurring event settings'),
      ];

      // Recurring business start time.
      $form['business_start'] = [
        '#type' => 'datetime',
        '#title' => t('Business start time'),
        '#description' => t('The time of a day when a recurring all day event starts. The recurring events whose start date include hour and minute will use their respective start time instead.'),
        '#fieldset' => 'recurring',
        '#default_value' => empty($this->options['business_start']) ? new DrupalDateTime('2018-02-24T08:00:00') : new DrupalDateTime($this->options['business_start']),
        // Hide date element.
        '#date_date_element' => 'none',
        // You can use text element here as well.
        '#date_time_element' => 'time',
        '#date_time_format' => 'H:i',
      ];

      // Recurring business end time.
      $form['business_end'] = [
        '#type' => 'datetime',
        '#title' => t('Business end time'),
        '#description' => t('The time of a day when a recurring event ends. The recurring events whose end date include hour and minute will use their respective end time instead.'),
        '#fieldset' => 'recurring',
        '#default_value' => empty($this->options['business_end']) ? new DrupalDateTime('2018-02-24T18:00:00') : new DrupalDateTime($this->options['business_end']),
        // Hide date element.
        '#date_date_element' => 'none',
        // You can use text element here as well.
        '#date_time_element' => 'time',
        '#date_time_format' => 'H:i',
      ];
    }

    // New event content type.
    $form['content_type'] = [
      '#title' => $this
        ->t('Event content type'),
      '#description' => $this
        ->t('The content type of a new event. Once this is set, you can create a new event by double clicking a calendar entry.'),
      '#type' => 'select',
      '#options' => $contentTypesList,
      '#default_value' => !empty($this->options['content_type']) ? $this->options['content_type'] : '',
    ];

    // Extra CSS classes.
    $form['classes'] = [
      '#type' => 'textfield',
      '#title' => t('CSS classes'),
      '#default_value' => isset($this->options['classes']) ? $this->options['classes'] : '',
      '#description' => t('CSS classes for further customization of this view.'),
    ];
  }

  /**
   * Options form submit handle function.
   *
   * @see \Drupal\views\Plugin\views\PluginBase::submitOptionsForm()
   */
  public function submitOptionsForm(&$form, FormStateInterface $form_state) {
    $options =& $form_state
      ->getValue('style_options');
    $input_value = $form_state
      ->getUserInput();
    $input_colors = isset($input_value['style_options']['color_taxonomies']) ? $input_value['style_options']['color_taxonomies'] : [];

    // Save the input of colors.
    foreach ($input_colors as $id => $color) {
      if (!empty($color)) {
        $options['color_taxonomies'][$id] = $color;
      }
    }

    // Datetime fields in Drupal 8 are stored as strings.
    if (isset($options['business_start'])) {
      $options['business_start'] = $options['business_start']
        ->format(DATETIME_DATETIME_STORAGE_FORMAT);
    }
    if (isset($options['business_end'])) {
      $options['business_end'] = $options['business_end']
        ->format(DATETIME_DATETIME_STORAGE_FORMAT);
    }
    parent::submitOptionsForm($form, $form_state);
  }

  /**
   * Taxonomy colors Ajax callback function.
   */
  public static function taxonomyColorCallback(array &$form, FormStateInterface $form_state) {
    $options = $form_state
      ->getValue('style_options');
    $vid = $options['vocabularies'];
    $taxonomy_color_service = \Drupal::service('fullcalendar_view.taxonomy_color');
    if (isset($options['color_taxonomies'])) {
      $defaultValues = $options['color_taxonomies'];
    }
    else {
      $defaultValues = [];
    }

    // Taxonomy color boxes.
    $form['color_taxonomies'] = $taxonomy_color_service
      ->colorInputBoxs($vid, $defaultValues, TRUE);
    return $form['color_taxonomies'];
  }

}

Classes

Name	Description
FullCalendarDisplay	Style plugin to render content for FullCalendar.