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class DrupalSliderViewsField in Drupal Slider 8

Same name and namespace in other branches
  1. 8.2 src/Plugin/views/field/DrupalSliderViewsField.php \Drupal\drupal_slider\Plugin\views\field\DrupalSliderViewsField

Field handler for Drupal Slider.

Plugin annotation

@ViewsField("drupal_slider_layers");

Hierarchy

Expanded class hierarchy of DrupalSliderViewsField

File

src/Plugin/views/field/DrupalSliderViewsField.php, line 16

Namespace

Drupal\drupal_slider\Plugin\views\field
View source 
class DrupalSliderViewsField extends FieldPluginBase {

  /**
   * Define the query.
   *
   * @{inheritdoc}
   */
  public function query() {

    // Leave empty to avoid a query on this field.
  }

  /**
   * Define the available options.
   */
  protected function defineOptions() {
    $options = parent::defineOptions();
    $options['slide_options'] = [
      'default' => '',
    ];
    $options['background_img'] = [
      'default' => '',
    ];
    $config = \Drupal::config('drupal_slider.settings');
    $layers_count = $config
      ->get('ds_layers_count');
    for ($i = 1; $i <= $layers_count; $i++) {
      $options['layer_' . $i] = [
        'default' => '',
      ];
    }
    return $options;
  }

  /**
   * Provide the options form.
   */
  public function buildOptionsForm(&$form, FormStateInterface $form_state) {
    $form['relationship']['#access'] = FALSE;
    $slide_options = [];
    $entity = \Drupal::entityTypeManager()
      ->getStorage('drupal_slider_slide_grouping')
      ->loadMultiple();
    foreach ($entity as $key => $value) {
      $slide_options[$key] = $value->label;
    }
    $form['slide_options'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Slide options'),
      '#options' => $slide_options,
      '#default_value' => $this->options['slide_options'],
      '#description' => $this
        ->t('Choose slides option set'),
      '#required' => TRUE,
    ];
    $form['background_img'] = [
      '#type' => 'textarea',
      '#title' => $this
        ->t('Background Image'),
      '#description' => $this
        ->t("Give the background image URL token"),
      '#default_value' => $this->options['background_img'],
    ];
    $config = \Drupal::config('drupal_slider.settings');
    $layers_count = $config
      ->get('ds_layers_count');
    for ($i = 1; $i <= $layers_count; $i++) {
      $form['layer_' . $i] = [
        '#type' => 'textarea',
        '#title' => 'Layer ' . $i,
        '#description' => $this
          ->t('Use any text, image etc.'),
        '#default_value' => $this->options['layer_' . $i],
      ];
    }
    $form['replacements'] = [
      '#type' => 'fieldset',
      '#collapsible' => TRUE,
      '#collapsed' => TRUE,
      '#title' => $this
        ->t('Replacement Variables'),
    ];
    $views_fields = $this->view->display_handler
      ->getHandlers('field');
    foreach ($views_fields as $field => $handler) {
      if ($field == $this->options['id']) {
        break;
      }
      $items[] = "{{ {$field} }}";
    }
    $form['replacements']['variables'] = [
      '#theme' => 'item_list',
      '#items' => $items,
    ];
    parent::buildOptionsForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function validateOptionsForm(&$form, FormStateInterface $form_state) {
  }

  /**
   * Cleans a variable for handling later.
   */
  public function cleanVar($var) {
    $unparsed = isset($var->last_render) ? $var->last_render : '';
    return trim($unparsed);
  }

  /**
   * {@inheritdoc}
   */
  public function render(ResultRow $values) {
    if (!empty($values)) {
      $layers = [];
      $slide_options = $this->options['slide_options'];
      $slide_grouping = \Drupal::entityTypeManager()
        ->getStorage('drupal_slider_slide_grouping')
        ->load($slide_options);
      $slides_list = $slide_grouping
        ->get('slides');
      $view_result = $this->view->result;
      $views_count = count($view_result);
      $slides_list_count = count($slides_list);
      $slides_list_keys = array_keys($slides_list);
      for ($i = 0; $i < $views_count; $i++) {
        if ($slides_list_count >= $i + 1) {
          $slide_key = array_slice($slides_list_keys, $i, 1);
          $layers_name[$view_result[$i]->nid] = $slides_list[$slide_key[0]]['slide_list'];
        }
      }
      if (isset($layers_name[$values->nid])) {
        $single_layer_name = $layers_name[$values->nid];
        $layer_load = \Drupal::entityTypeManager()
          ->getStorage('drupal_slider_slide')
          ->load($single_layer_name);
        $layers_attr = $layer_load
          ->get('layers');
        if ($layers_attr) {
          $i = 1;
          foreach ($layers_attr as $key => $layer_attr) {
            $layers['layer_' . $i] = $layer_attr;
            $i++;
          }
        }
      }
      else {
        $layers_attr = [
          'attributes' => [
            'horizontal' => '100',
            'vertical' => '100',
            'show_delay' => '0',
            'hide_delay' => '0',
            'show_transition' => 'left',
            'hide_transition' => 'left',
          ],
        ];
      }
      $background_img = $this->options['background_img'];
      $fields = $this->view->display_handler
        ->getHandlers('field');
      $labels = $this->view->display_handler
        ->getFieldLabels();
      foreach ($labels as $key => $var) {

        // If we find a replacement variable, replace it.
        if (strpos($background_img, "{{ {$key} }}") !== FALSE) {
          $field = $this
            ->cleanVar($fields[$key]);
          $background_img = str_replace("{{ {$key} }}", $field, $background_img);
        }
      }
      $config = \Drupal::config('drupal_slider.settings');
      $layers_count = $config
        ->get('ds_layers_count');
      for ($i = 1; $i <= $layers_count; $i++) {
        $no_replacements = TRUE;
        foreach ($labels as $key => $var) {
          $single_layer = $this->options['layer_' . $i];
          if (!empty(trim($single_layer))) {
            if (strpos($single_layer, "{{ {$key} }}") !== FALSE) {
              $field = $this
                ->cleanVar($fields[$key]);
              if (isset($layers['layer_' . $i]['value'])) {
                $single_layer = $layers['layer_' . $i]['value'];
              }
              $layers['layer_' . $i]['value'] = str_replace("{{ {$key} }}", $field, $single_layer);
              $no_replacements = FALSE;
            }
          }
        }
        if ($no_replacements) {
          $layers['layer_' . $i]['value'] = $single_layer;
        }
      }
      return [
        '#theme' => 'drupal_slider_layers',
        '#background_img' => $background_img,
        '#layers_attributes' => $layers_attr,
        '#layers' => $layers,
      ];
    }
  }

}

Members

Namesort descending Modifiers Type Description Overrides
DependencySerializationTrait::$_entityStorages protected property An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function 1
DependencySerializationTrait::__wakeup public function 2
DrupalSliderViewsField::buildOptionsForm public function Provide the options form. Overrides FieldPluginBase::buildOptionsForm
DrupalSliderViewsField::cleanVar public function Cleans a variable for handling later.
DrupalSliderViewsField::defineOptions protected function Define the available options. Overrides FieldPluginBase::defineOptions
DrupalSliderViewsField::query public function Define the query. Overrides FieldPluginBase::query
DrupalSliderViewsField::render public function Renders the field. Overrides FieldPluginBase::render
DrupalSliderViewsField::validateOptionsForm public function Validate the options form. Overrides PluginBase::validateOptionsForm
FieldPluginBase::$additional_fields public property Stores additional fields which get added to the query.
FieldPluginBase::$aliases public property
FieldPluginBase::$field_alias public property
FieldPluginBase::$lastRenderIndex protected property Keeps track of the last render index.
FieldPluginBase::$linkGenerator protected property The link generator.
FieldPluginBase::$original_value public property The field value prior to any rewriting.
FieldPluginBase::$renderer protected property Stores the render API renderer. Overrides PluginBase::$renderer 1
FieldPluginBase::addAdditionalFields protected function Add 'additional' fields to the query.
FieldPluginBase::addSelfTokens protected function Add any special tokens this field might use for itself. 4
FieldPluginBase::adminLabel public function Return a string representing this handler's name in the UI. Overrides HandlerBase::adminLabel
FieldPluginBase::adminSummary public function Provide extra data to the administration form Overrides HandlerBase::adminSummary
FieldPluginBase::advancedRender public function Renders a field using advanced settings. Overrides FieldHandlerInterface::advancedRender
FieldPluginBase::allowAdvancedRender protected function Determine if this field can allow advanced rendering.
FieldPluginBase::clickSort public function Adds an ORDER BY clause to the query for click sort columns. Overrides FieldHandlerInterface::clickSort 1
FieldPluginBase::clickSortable public function Determines if this field is click sortable. Overrides FieldHandlerInterface::clickSortable 5
FieldPluginBase::documentSelfTokens protected function Document any special tokens this field might use for itself. 3
FieldPluginBase::elementClasses public function Returns the class of the field. Overrides FieldHandlerInterface::elementClasses
FieldPluginBase::elementLabelClasses public function Returns the class of the field's label. Overrides FieldHandlerInterface::elementLabelClasses
FieldPluginBase::elementLabelType public function Returns an HTML element for the label based upon the field's element type. Overrides FieldHandlerInterface::elementLabelType
FieldPluginBase::elementType public function Returns an HTML element based upon the field's element type. Overrides FieldHandlerInterface::elementType 1
FieldPluginBase::elementWrapperClasses public function Returns the class of the field's wrapper. Overrides FieldHandlerInterface::elementWrapperClasses
FieldPluginBase::elementWrapperType public function Returns an HTML element for the wrapper based upon the field's element type. Overrides FieldHandlerInterface::elementWrapperType
FieldPluginBase::getElements public function Provides a list of elements valid for field HTML. Overrides FieldHandlerInterface::getElements
FieldPluginBase::getEntity public function Gets the entity matching the current row and relationship. Overrides FieldHandlerInterface::getEntity
FieldPluginBase::getFieldTokenPlaceholder protected function Returns a token placeholder for the current field.
FieldPluginBase::getPreviousFieldLabels protected function Returns all field labels of fields before this field.
FieldPluginBase::getRenderer protected function Returns the render API renderer. Overrides PluginBase::getRenderer
FieldPluginBase::getRenderTokens public function Gets the 'render' tokens to use for advanced rendering. Overrides FieldHandlerInterface::getRenderTokens
FieldPluginBase::getTokenValuesRecursive protected function Recursive function to add replacements for nested query string parameters.
FieldPluginBase::getValue public function Gets the value that's supposed to be rendered. Overrides FieldHandlerInterface::getValue 2
FieldPluginBase::init public function Initialize the plugin. Overrides HandlerBase::init 14
FieldPluginBase::isValueEmpty public function Checks if a field value is empty. Overrides FieldHandlerInterface::isValueEmpty
FieldPluginBase::label public function Gets this field's label. Overrides FieldHandlerInterface::label
FieldPluginBase::linkGenerator protected function Gets the link generator.
FieldPluginBase::postRender public function Runs after every field has been rendered. Overrides FieldHandlerInterface::postRender
FieldPluginBase::preRender public function Runs before any fields are rendered. Overrides FieldHandlerInterface::preRender 10
FieldPluginBase::renderAltered protected function Render this field as user-defined altered text.
FieldPluginBase::renderAsLink protected function Render this field as a link, with the info from a fieldset set by the user.
FieldPluginBase::renderText public function Performs an advanced text render for the item. Overrides FieldHandlerInterface::renderText
FieldPluginBase::renderTrimText protected function Trims the field down to the specified length.
FieldPluginBase::RENDER_TEXT_PHASE_COMPLETELY constant Indicator of the renderText() method for rendering the whole element. (if no render_item() method is available).
FieldPluginBase::RENDER_TEXT_PHASE_EMPTY constant Indicator of the renderText() method for rendering the empty text.
FieldPluginBase::RENDER_TEXT_PHASE_SINGLE_ITEM constant Indicator of the renderText() method for rendering a single item. (If no render_item() is present).
FieldPluginBase::submitOptionsForm public function Performs some cleanup tasks on the options array before saving it. Overrides PluginBase::submitOptionsForm 1
FieldPluginBase::theme public function Passes values to drupal_render() using $this->themeFunctions() as #theme. Overrides FieldHandlerInterface::theme
FieldPluginBase::themeFunctions public function Provide a full list of possible theme templates used by this style. Overrides PluginBase::themeFunctions
FieldPluginBase::tokenizeValue public function Replaces a value with tokens from the last field. Overrides FieldHandlerInterface::tokenizeValue
FieldPluginBase::trimText public static function Trims the field down to the specified length.
FieldPluginBase::useStringGroupBy public function Determines if this field will be available as an option to group the result by in the style settings. Overrides FieldHandlerInterface::useStringGroupBy
HandlerBase::$field public property With field you can override the realField if the real field is not set.
HandlerBase::$moduleHandler protected property The module handler. 3
HandlerBase::$query public property Where the $query object will reside: 7
HandlerBase::$realField public property The actual field in the database table, maybe different on other kind of query plugins/special handlers.
HandlerBase::$relationship public property The relationship used for this field.
HandlerBase::$table public property The table this handler is attached to.
HandlerBase::$tableAlias public property The alias of the table of this handler which is used in the query.
HandlerBase::$viewsData protected property The views data service.
HandlerBase::acceptExposedInput public function Take input from exposed handlers and assign to this handler, if necessary. 1
HandlerBase::access public function Check whether given user has access to this handler. Overrides ViewsHandlerInterface::access 4
HandlerBase::breakString public static function Breaks x,y,z and x+y+z into an array. Overrides ViewsHandlerInterface::breakString
HandlerBase::broken public function Determines if the handler is considered 'broken', meaning it's a placeholder used when a handler can't be found. Overrides ViewsHandlerInterface::broken
HandlerBase::buildExposedForm public function Render our chunk of the exposed handler form when selecting 1
HandlerBase::buildExposeForm public function Form for exposed handler options. 2
HandlerBase::buildExtraOptionsForm public function Provide a form for setting options. 1
HandlerBase::buildGroupByForm public function Provide a form for aggregation settings. 1
HandlerBase::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides PluginBase::calculateDependencies 10
HandlerBase::canExpose public function Determine if a handler can be exposed. 2
HandlerBase::caseTransform protected function Transform a string by a certain method.
HandlerBase::defaultExposeOptions public function Set new exposed option defaults when exposed setting is flipped on. 2
HandlerBase::defineExtraOptions public function Provide defaults for the handler.
HandlerBase::displayExposedForm public function Displays the Expose form.
HandlerBase::ensureMyTable public function Ensure the main table for this handler is in the query. This is used a lot. Overrides ViewsHandlerInterface::ensureMyTable 2
HandlerBase::exposedInfo public function Get information about the exposed form for the form renderer. 1
HandlerBase::getDateField public function Creates cross-database SQL dates. 2
HandlerBase::getDateFormat public function Creates cross-database SQL date formatting. 2
HandlerBase::getEntityType public function Determines the entity type used by this handler. Overrides ViewsHandlerInterface::getEntityType
HandlerBase::getField public function Shortcut to get a handler's raw field value. Overrides ViewsHandlerInterface::getField
HandlerBase::getJoin public function Get the join object that should be used for this handler. Overrides ViewsHandlerInterface::getJoin
HandlerBase::getModuleHandler protected function Gets the module handler.
HandlerBase::getTableJoin public static function Fetches a handler to join one table to a primary table from the data cache. Overrides ViewsHandlerInterface::getTableJoin
HandlerBase::getViewsData protected function Gets views data service.
HandlerBase::hasExtraOptions public function If a handler has 'extra options' it will get a little settings widget and another form called extra_options. 1
HandlerBase::isAGroup public function Returns TRUE if the exposed filter works like a grouped filter. 1
HandlerBase::isExposed public function Determine if this item is 'exposed', meaning it provides form elements to let users modify the view.
HandlerBase::multipleExposedInput public function Define if the exposed input has to be submitted multiple times. This is TRUE when exposed filters grouped are using checkboxes as widgets. 1
HandlerBase::placeholder protected function Provides a unique placeholders for handlers.
HandlerBase::postExecute public function Run after the view is executed, before the result is cached. Overrides ViewsHandlerInterface::postExecute
HandlerBase::preQuery public function Run before the view is built. Overrides ViewsHandlerInterface::preQuery 2
HandlerBase::sanitizeValue public function Sanitize the value for output. Overrides ViewsHandlerInterface::sanitizeValue
HandlerBase::setModuleHandler public function Sets the module handler.
HandlerBase::setRelationship public function Called just prior to query(), this lets a handler set up any relationship it needs. Overrides ViewsHandlerInterface::setRelationship
HandlerBase::setViewsData public function
HandlerBase::showExposeButton public function Shortcut to display the expose/hide button. 2
HandlerBase::showExposeForm public function Shortcut to display the exposed options form. Overrides ViewsHandlerInterface::showExposeForm
HandlerBase::storeExposedInput public function If set to remember exposed input in the session, store it there. 1
HandlerBase::submitExposed public function Submit the exposed handler form
HandlerBase::submitExposeForm public function Perform any necessary changes to the form exposes prior to storage. There is no need for this function to actually store the data.
HandlerBase::submitExtraOptionsForm public function Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data.
HandlerBase::submitFormCalculateOptions public function Calculates options stored on the handler 1
HandlerBase::submitGroupByForm public function Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data. 1
HandlerBase::submitTemporaryForm public function A submit handler that is used for storing temporary items when using multi-step changes, such as ajax requests.
HandlerBase::usesGroupBy public function Provides the handler some groupby. 13
HandlerBase::validate public function Validate that the plugin is correct and can be saved. Overrides PluginBase::validate 2
HandlerBase::validateExposed public function Validate the exposed handler form 4
HandlerBase::validateExposeForm public function Validate the options form. 1
HandlerBase::validateExtraOptionsForm public function Validate the options form.
HandlerBase::__construct public function Constructs a Handler object. Overrides PluginBase::__construct 44
MessengerTrait::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
MessengerTrait::setMessenger public function Sets the messenger.
PluginBase::$configuration protected property Configuration information passed into the plugin. 1
PluginBase::$definition public property Plugins's definition
PluginBase::$displayHandler public property The display object this plugin is for.
PluginBase::$options public property Options for this plugin will be held here.
PluginBase::$pluginDefinition protected property The plugin implementation definition. 1
PluginBase::$pluginId protected property The plugin_id.
PluginBase::$usesOptions protected property Denotes whether the plugin has an additional options form. 8
PluginBase::$view public property The top object of a view. 1
PluginBase::create public static function Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create 62
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::destroy public function Clears a plugin. Overrides ViewsPluginInterface::destroy 2
PluginBase::doFilterByDefinedOptions protected function Do the work to filter out stored options depending on the defined options.
PluginBase::filterByDefinedOptions public function Filter out stored options depending on the defined options. Overrides ViewsPluginInterface::filterByDefinedOptions
PluginBase::getAvailableGlobalTokens public function Returns an array of available token replacements. Overrides ViewsPluginInterface::getAvailableGlobalTokens
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition 3
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::getProvider public function Returns the plugin provider. Overrides ViewsPluginInterface::getProvider
PluginBase::globalTokenForm public function Adds elements for available core tokens to a form. Overrides ViewsPluginInterface::globalTokenForm
PluginBase::globalTokenReplace public function Returns a string with any core tokens replaced. Overrides ViewsPluginInterface::globalTokenReplace
PluginBase::INCLUDE_ENTITY constant Include entity row languages when listing languages.
PluginBase::INCLUDE_NEGOTIATED constant Include negotiated languages when listing languages.
PluginBase::isConfigurable public function Determines if the plugin is configurable.
PluginBase::listLanguages protected function Makes an array of languages, optionally including special languages.
PluginBase::pluginTitle public function Return the human readable name of the display. Overrides ViewsPluginInterface::pluginTitle
PluginBase::preRenderAddFieldsetMarkup public static function Moves form elements into fieldsets for presentation purposes. Overrides ViewsPluginInterface::preRenderAddFieldsetMarkup
PluginBase::preRenderFlattenData public static function Flattens the structure of form elements. Overrides ViewsPluginInterface::preRenderFlattenData
PluginBase::queryLanguageSubstitutions public static function Returns substitutions for Views queries for languages.
PluginBase::setOptionDefaults protected function Fills up the options of the plugin with defaults.
PluginBase::summaryTitle public function Returns the summary of the settings in the display. Overrides ViewsPluginInterface::summaryTitle 6
PluginBase::trustedCallbacks public static function Lists the trusted callbacks provided by the implementing class. Overrides TrustedCallbackInterface::trustedCallbacks 6
PluginBase::unpackOptions public function Unpack options over our existing defaults, drilling down into arrays so that defaults don't get totally blown away. Overrides ViewsPluginInterface::unpackOptions
PluginBase::usesOptions public function Returns the usesOptions property. Overrides ViewsPluginInterface::usesOptions 8
PluginBase::viewsTokenReplace protected function Replaces Views' tokens in a given string. The resulting string will be sanitized with Xss::filterAdmin. 1
PluginBase::VIEWS_QUERY_LANGUAGE_SITE_DEFAULT constant Query string to indicate the site default language.
StringTranslationTrait::$stringTranslation protected property The string translation service. 1
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.
TrustedCallbackInterface::THROW_EXCEPTION constant Untrusted callbacks throw exceptions.
TrustedCallbackInterface::TRIGGER_SILENCED_DEPRECATION constant Untrusted callbacks trigger silenced E_USER_DEPRECATION errors.
TrustedCallbackInterface::TRIGGER_WARNING constant Untrusted callbacks trigger E_USER_WARNING errors.