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class PrerenderList in Views (for Drupal 7) 8.3

Field handler to provide a list of items.

The items are expected to be loaded by a child object during pre_render, and 'my field' is expected to be the pointer to the items in the list.

Items to render should be in a list in $this->items

Plugin annotation


@Plugin(
  id = "prerender_list"
)

Hierarchy

Expanded class hierarchy of PrerenderList

Related topics

Views field handlers
Handlers to tell Views how to build and display fields.
3 files declare their use of PrerenderList
Permissions.php in lib/Views/user/Plugin/views/field/Permissions.php
Definition of Views\user\Plugin\views\field\Permissions.
Roles.php in lib/Views/user/Plugin/views/field/Roles.php
Definition of Views\user\Plugin\views\field\Roles.
TaxonomyIndexTid.php in lib/Views/taxonomy/Plugin/views/field/TaxonomyIndexTid.php
Definition of Views\taxonomy\Plugin\views\field\TaxonomyIndexTid.

File

lib/Drupal/views/Plugin/views/field/PrerenderList.php, line 26
Definition of Drupal\views\Plugin\views\field\PrerenderList.

Namespace

Drupal\views\Plugin\views\field
View source 
class PrerenderList extends FieldPluginBase {

  /**
   * Stores all items which are used to render the items.
   * It should be keyed first by the id of the base table, for example nid.
   * The second key is the id of the thing which is displayed multiple times
   * per row, for example the tid.
   *
   * @var array
   */
  var $items = array();
  protected function defineOptions() {
    $options = parent::defineOptions();
    $options['type'] = array(
      'default' => 'separator',
    );
    $options['separator'] = array(
      'default' => ', ',
    );
    return $options;
  }
  public function buildOptionsForm(&$form, &$form_state) {
    $form['type'] = array(
      '#type' => 'radios',
      '#title' => t('Display type'),
      '#options' => array(
        'ul' => t('Unordered list'),
        'ol' => t('Ordered list'),
        'separator' => t('Simple separator'),
      ),
      '#default_value' => $this->options['type'],
    );
    $form['separator'] = array(
      '#type' => 'textfield',
      '#title' => t('Separator'),
      '#default_value' => $this->options['separator'],
      '#states' => array(
        'visible' => array(
          ':input[name="options[type]"]' => array(
            'value' => 'separator',
          ),
        ),
      ),
    );
    parent::buildOptionsForm($form, $form_state);
  }

  /**
   * Render all items in this field together.
   *
   * When using advanced render, each possible item in the list is rendered
   * individually. Then the items are all pasted together.
   */
  function render_items($items) {
    if (!empty($items)) {
      if ($this->options['type'] == 'separator') {
        return implode($this
          ->sanitizeValue($this->options['separator'], 'xss_admin'), $items);
      }
      else {
        return theme('item_list', array(
          'items' => $items,
          'title' => NULL,
          'type' => $this->options['type'],
        ));
      }
    }
  }

  /**
   * Return an array of items for the field.
   *
   * Items should be stored in the result array, if possible, as an array
   * with 'value' as the actual displayable value of the item, plus
   * any items that might be found in the 'alter' options array for
   * creating links, such as 'path', 'fragment', 'query' etc, such a thing
   * is to be made. Additionally, items that might be turned into tokens
   * should also be in this array.
   */
  function get_items($values) {
    $field = $this
      ->get_value($values);
    if (!empty($this->items[$field])) {
      return $this->items[$field];
    }
    return array();
  }

  /**
   * Determine if advanced rendering is allowed.
   *
   * By default, advanced rendering will NOT be allowed if the class
   * inheriting from this does not implement a 'render_items' method.
   */
  function allow_advanced_render() {

    // Note that the advanced render bits also use the presence of
    // this method to determine if it needs to render items as a list.
    return method_exists($this, 'render_item');
  }

}

Members

Namesort descending Modifiers Type Description Overrides
FieldPluginBase::$additional_fields property Stores additional fields which get's added to the query. The generated aliases are stored in $aliases.
FieldPluginBase::$aliases property
FieldPluginBase::$field_alias property
FieldPluginBase::$original_value public property The field value prior to any rewriting.
FieldPluginBase::add_additional_fields function Add 'additional' fields to the query.
FieldPluginBase::add_self_tokens 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 1
FieldPluginBase::adminSummary public function Provide extra data to the administration form Overrides HandlerBase::adminSummary
FieldPluginBase::advanced_render function Render a field using advanced settings.
FieldPluginBase::click_sort function Called to determine what to tell the clicksorter. 1
FieldPluginBase::click_sortable function Determine if this field is click sortable. 1
FieldPluginBase::document_self_tokens function Document any special tokens this field might use for itself. 3
FieldPluginBase::element_classes function Return the class of the field.
FieldPluginBase::element_label_classes function Return the class of the field's label.
FieldPluginBase::element_label_type function Return an HTML element for the label based upon the field's element type.
FieldPluginBase::element_type function Return an HTML element based upon the field's element type. 2
FieldPluginBase::element_wrapper_classes function Return the class of the field's wrapper.
FieldPluginBase::element_wrapper_type function Return an HTML element for the wrapper based upon the field's element type.
FieldPluginBase::get_elements function Provide a list of elements valid for field HTML.
FieldPluginBase::get_entity function Get the entity matching the current row and relationship.
FieldPluginBase::get_render_tokens function Get the 'render' tokens to use for advanced rendering.
FieldPluginBase::get_token_values_recursive function Recursive function to add replacements for nested query string parameters.
FieldPluginBase::get_value function Get the value that's supposed to be rendered. 1
FieldPluginBase::init public function Overrides Drupal\views\Plugin\views\HandlerBase::init(). Overrides HandlerBase::init 25
FieldPluginBase::is_value_empty function Checks if a field value is empty.
FieldPluginBase::label public function Get this field's label.
FieldPluginBase::pre_render function Run before any fields are rendered. 6
FieldPluginBase::query public function Called to add the field to a query. Overrides PluginBase::query 22
FieldPluginBase::render function Render the field. 39
FieldPluginBase::render_altered function Render this field as altered text, from a fieldset set by the user.
FieldPluginBase::render_as_link function Render this field as a link, with the info from a fieldset set by the user.
FieldPluginBase::render_text function Perform an advanced text render for the item.
FieldPluginBase::render_trim_text function Trim the field down to the specified length.
FieldPluginBase::submitOptionsForm public function Performs some cleanup tasks on the options array before saving it. Overrides HandlerBase::submitOptionsForm
FieldPluginBase::theme function Call out to the theme() function, which probably just calls render() but allows sites to override output fairly easily.
FieldPluginBase::themeFunctions public function Provide a full list of possible theme templates used by this style. Overrides PluginBase::themeFunctions
FieldPluginBase::tokenize_value function Replace a value with tokens from the last field.
FieldPluginBase::use_string_group_by function Determines if this field will be available as an option to group the result by in the style settings.
HandlerBase::$actualField public property When a field has been moved this property is set.
HandlerBase::$actualTable public property When a table has been moved this property is set.
HandlerBase::$field public property With field you can override the realField if the real field is not set.
HandlerBase::$query public property Where the $query object will reside: 1
HandlerBase::$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::acceptExposedInput public function Take input from exposed handlers and assign to this handler, if necessary. 1
HandlerBase::access public function Check whether current user has access to this handler. 7
HandlerBase::breakPhrase public static function Breaks x,y,z and x+y+z into an array. Numeric only.
HandlerBase::breakPhraseString public static function Breaks x,y,z and x+y+z into an array. Works for strings.
HandlerBase::broken public function Determine if the handler is considered 'broken', meaning it's a a placeholder used when a handler can't be found. 6
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::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::ensureMyTable public function Ensure the main table for this handler is in the query. This is used a lot. 8
HandlerBase::exposedInfo public function Get information about the exposed form for the form renderer. 1
HandlerBase::getField public function Shortcut to get a handler's raw field value.
HandlerBase::getJoin public function Get the join object that should be used for this handler.
HandlerBase::getSQLDateField public function Creates cross-database SQL dates.
HandlerBase::getSQLFormat public function Creates cross-database SQL date formatting.
HandlerBase::getTableJoin public static function Fetches a handler to join one table to a primary table from the data cache.
HandlerBase::getTimezone public static function Figure out what timezone we're in; needed for some date manipulations.
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.
HandlerBase::preQuery public function Run before the view is built. 1
HandlerBase::sanitizeValue protected function Sanitize the value for output.
HandlerBase::setRelationship public function Called just prior to query(), this lets a handler set up any relationship it needs.
HandlerBase::showExposeButton public function Shortcut to display the expose/hide button. 2
HandlerBase::showExposeForm public function Shortcut to display the exposed options form.
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::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::usesGroupBy public function Provides the handler some groupby. 2
HandlerBase::validate public function Validates the handler against the complete View. Overrides PluginBase::validate 1
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::validateOptionsForm public function Validate the options form. Overrides PluginBase::validateOptionsForm 4
HandlerBase::__construct public function Constructs a Handler object. Overrides PluginBase::__construct
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::$view public property The top object of a view. 1
PluginBase::additionalThemeFunctions public function Provide a list of additional theme functions for the theme information page
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::destroy public function Clears a plugin. 2
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition 3
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable public function Determines if the plugin is configurable.
PluginBase::pluginTitle public function Return the human readable name of the display.
PluginBase::setOptionDefaults protected function
PluginBase::summaryTitle public function Returns the summary of the settings in the display. 6
PluginBase::unpackOptions public function Unpack options over our existing defaults, drilling down into arrays so that defaults don't get totally blown away.
PluginBase::usesOptions public function Returns the usesOptions property. 8
PrerenderList::$items property Stores all items which are used to render the items. It should be keyed first by the id of the base table, for example nid. The second key is the id of the thing which is displayed multiple times per row, for example the tid.
PrerenderList::allow_advanced_render function Determine if advanced rendering is allowed. Overrides FieldPluginBase::allow_advanced_render
PrerenderList::buildOptionsForm public function Default options form that provides the label widget that all fields should have. Overrides FieldPluginBase::buildOptionsForm 1
PrerenderList::defineOptions protected function Information about options for all kinds of purposes will be held here. @code 'option_name' => array( Overrides FieldPluginBase::defineOptions 1
PrerenderList::get_items function Return an array of items for the field.
PrerenderList::render_items function Render all items in this field together.