You are here

Home » API reference » Views PDF 8 » PageBreak.php

class PageBreak in Views PDF 8

Class that holds the functionality for the page break in a PDF display.

This plugin is used to add a page break to a PDF display.

Hierarchy

Expanded class hierarchy of PageBreak

1 string reference to 'PageBreak'
views_pdf_views_data in ./views_pdf.views.inc
Implements hook_views_data().

File

src/Plugin/views/style/PageBreak.php, line 17
Contains \Drupal\views_pdf\Plugin\views\style\PageBreak.

View source 
class PageBreak extends StylePluginBase {
  protected $countRecords = 0;

  /**
   * This method  is used to query data. In our case
   * we want that no data is queried.
   *
   */
  function query() {

    // Override parent::query() and don't alter query.
    $this->field_alias = 'pdf_page_break_' . $this->position;
  }

  /**
   * This method contains the defintion of the options for the page break.
   */
  function option_definition() {
    $options = parent::option_definition();
    $options['last_row'] = array(
      'default' => FALSE,
    );
    $options['every_nth'] = array(
      'default' => 1,
    );
    return $options;
  }

  /**
   * Option form.
   */
  function options_form(&$form, &$form_state) {
    parent::options_form($form, $form_state);
    $form['last_row'] = array(
      '#type' => 'checkbox',
      '#title' => t('Exclude from last row'),
      '#default_value' => $this->options['last_row'],
      '#description' => t('Check this box to not add new page on last row.'),
    );
    $form['every_nth'] = array(
      '#type' => 'textfield',
      '#title' => t('Insert break after how many rows?'),
      '#size' => 10,
      '#default_value' => $this->options['every_nth'],
      '#element_validate' => array(
        'element_validate_integer_positive',
      ),
      '#description' => t('Enter a value greater than 1 if you want to have multiple rows on one page'),
    );
  }

  /**
   * This method renders the page break. It uses the PDF class to add a page break.
   */
  function render($values) {
    if (isset($this->view->pdf) && is_object($this->view->pdf)) {
      if ($this->options['last_row'] == TRUE && $this->countRecords + 1 >= $this->view->total_rows) {
        return '';
      }
      $this->countRecords++;
      if ($this->countRecords == $this->view->total_rows + 1) {
        $this->countRecords = 1;
      }
      $output = '';
      if ($this->countRecords % $this->options['every_nth'] == 0) {
        $output .= '<br pagebreak="true" />';
      }
      else {
        $output .= '';
      }
      return $output;
    }
  }

  /**
   * We don't want to use advanced rendering.
   */
  function allow_advanced_render() {
    return FALSE;
  }

}

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
MessengerTrait::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
MessengerTrait::setMessenger public function Sets the messenger.
PageBreak::$countRecords protected property
PageBreak::allow_advanced_render function We don't want to use advanced rendering.
PageBreak::options_form function Option form.
PageBreak::option_definition function This method contains the defintion of the options for the page break.
PageBreak::query function This method is used to query data. In our case we want that no data is queried. Overrides StylePluginBase::query
PageBreak::render function This method renders the page break. It uses the PDF class to add a page break. Overrides StylePluginBase::render
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::$renderer protected property Stores the render API renderer. 3
PluginBase::$view public property The top object of a view. 1
PluginBase::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides DependentPluginInterface::calculateDependencies 14
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::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::getRenderer protected function Returns the render API renderer. 1
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::submitOptionsForm public function Handle any special handling on the validate form. Overrides ViewsPluginInterface::submitOptionsForm 16
PluginBase::summaryTitle public function Returns the summary of the settings in the display. Overrides ViewsPluginInterface::summaryTitle 6
PluginBase::themeFunctions public function Provide a full list of possible theme templates used by this style. Overrides ViewsPluginInterface::themeFunctions 1
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.
PluginBase::__construct public function Constructs a PluginBase object. Overrides PluginBase::__construct
StringTranslationTrait::$stringTranslation protected property The string translation service. 1
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.
StylePluginBase::$defaultFieldLabels protected property Should field labels be enabled by default. 1
StylePluginBase::$groupingTheme protected property The theme function used to render the grouping set.
StylePluginBase::$rendered_fields protected property Stores the rendered field values, keyed by the row index and field name.
StylePluginBase::$rowTokens protected property Store all available tokens row rows.
StylePluginBase::$usesFields protected property Does the style plugin for itself support to add fields to its output. 3
StylePluginBase::$usesGrouping protected property Does the style plugin support grouping of rows. 3
StylePluginBase::$usesOptions protected property Denotes whether the plugin has an additional options form. Overrides PluginBase::$usesOptions
StylePluginBase::$usesRowClass protected property Does the style plugin support custom css class for the rows. 3
StylePluginBase::$usesRowPlugin protected property Whether or not this style uses a row plugin. 10
StylePluginBase::buildOptionsForm public function Provide a form to edit options for this plugin. Overrides PluginBase::buildOptionsForm 9
StylePluginBase::buildSort public function Called by the view builder to see if this style handler wants to interfere with the sorts. If so it should build; if it returns any non-TRUE value, normal sorting will NOT be added to the query. 1
StylePluginBase::buildSortPost public function Called by the view builder to let the style build a second set of sorts that will come after any other sorts in the view. 1
StylePluginBase::defaultFieldLabels public function Return TRUE if this style enables field labels by default. 1
StylePluginBase::defineOptions protected function Information about options for all kinds of purposes will be held here. Overrides PluginBase::defineOptions 9
StylePluginBase::destroy public function Clears a plugin. Overrides PluginBase::destroy
StylePluginBase::elementPreRenderRow public function #pre_render callback for view row field rendering.
StylePluginBase::evenEmpty public function Should the output of the style plugin be rendered even if it's a empty view. 2
StylePluginBase::getField public function Gets a rendered field.
StylePluginBase::getFieldValue public function Get the raw field value.
StylePluginBase::getRowClass public function Return the token replaced row class for the specified row.
StylePluginBase::init public function Overrides \Drupal\views\Plugin\views\PluginBase::init(). Overrides PluginBase::init
StylePluginBase::preRender public function Allow the style to do stuff before each row is rendered.
StylePluginBase::renderFields protected function Renders all of the fields for a given style and store them on the object.
StylePluginBase::renderGrouping public function Group records as needed for rendering.
StylePluginBase::renderGroupingSets public function Render the grouping sets.
StylePluginBase::renderRowGroup protected function Renders a group of rows of the grouped view.
StylePluginBase::tokenizeValue public function Take a value and apply token replacement logic to it.
StylePluginBase::trustedCallbacks public static function Lists the trusted callbacks provided by the implementing class. Overrides PluginBase::trustedCallbacks
StylePluginBase::usesFields public function Return TRUE if this style also uses fields. 3
StylePluginBase::usesGrouping public function Returns the usesGrouping property. 3
StylePluginBase::usesRowClass public function Returns the usesRowClass property. 3
StylePluginBase::usesRowPlugin public function Returns the usesRowPlugin property. 10
StylePluginBase::usesTokens public function Return TRUE if this style uses tokens.
StylePluginBase::validate public function Validate that the plugin is correct and can be saved. Overrides PluginBase::validate
StylePluginBase::validateOptionsForm public function Validate the options form. Overrides PluginBase::validateOptionsForm
StylePluginBase::wizardForm public function Provide a form in the views wizard if this style is selected.
StylePluginBase::wizardSubmit public function Alter the options of a display before they are added to the view. 1
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.