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<?php

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/**

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* WPSEO plugin file.

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* @package WPSEO\Admin

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/**

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* Class WPSEO_presenter_paper.

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class WPSEO_Paper_Presenter {

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/**

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* Title of the paper.

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* @var string

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private $title;

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/**

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* The view variables.

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* @var array

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private $settings;

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/**

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* The path to the view file.

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* @var string

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private $view_file;

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/**

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* WPSEO_presenter_paper constructor.

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* @param string $title The title of the paper.

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* @param string|null $view_file Optional. The path to the view file. Use the content setting

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* if do not wish to use a view file.

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* @param array $settings Optional. Settings for the paper.

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public function __construct( $title, $view_file = null, array $settings = [] ) {

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$defaults = [

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'paper_id' => null,

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'paper_id_prefix' => 'wpseo-',

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'collapsible' => false,

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'collapsible_header_class' => '',

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'expanded' => false,

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'help_text' => '',

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'title_after' => '',

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'class' => '',

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'content' => '',

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'view_data' => [],

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];

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$this->settings = wp_parse_args( $settings, $defaults );

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$this->title = $title;

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$this->view_file = $view_file;

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}

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/**

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* Renders the collapsible paper and returns it as a string.

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* @return string The rendered paper.

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public function get_output() {

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$view_variables = $this->get_view_variables();

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extract( $view_variables, EXTR_SKIP );

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$content = $this->settings['content'];

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if ( $this->view_file !== null ) {

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ob_start();

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require $this->view_file;

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$content = ob_get_clean();

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}

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ob_start();

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require WPSEO_PATH . 'admin/views/paper-collapsible.php';

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$rendered_output = ob_get_clean();

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return $rendered_output;

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}

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/**

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* Retrieves the view variables.

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* @return array The view variables.

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private function get_view_variables() {

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if ( $this->settings['help_text'] instanceof WPSEO_Admin_Help_Panel === false ) {

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$this->settings['help_text'] = new WPSEO_Admin_Help_Panel( '', '', '' );

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}

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$view_variables = [

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'class' => $this->settings['class'],

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'collapsible' => $this->settings['collapsible'],

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'collapsible_config' => $this->collapsible_config(),

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'collapsible_header_class' => $this->settings['collapsible_header_class'],

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'title_after' => $this->settings['title_after'],

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'help_text' => $this->settings['help_text'],

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'view_file' => $this->view_file,

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'title' => $this->title,

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'paper_id' => $this->settings['paper_id'],

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'paper_id_prefix' => $this->settings['paper_id_prefix'],

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'yform' => Yoast_Form::get_instance(),

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];

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return array_merge( $this->settings['view_data'], $view_variables );

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}

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/**

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* Retrieves the collapsible config based on the settings.

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* @return array The config.

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protected function collapsible_config() {

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if ( empty( $this->settings['collapsible'] ) ) {

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return [

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'toggle_icon' => '',

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'class' => '',

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'expanded' => '',

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];

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}

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if ( ! empty( $this->settings['expanded'] ) ) {

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return [

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'toggle_icon' => 'dashicons-arrow-up-alt2',

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'class' => 'toggleable-container',

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'expanded' => 'true',

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];

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}

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return [

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'toggle_icon' => 'dashicons-arrow-down-alt2',

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'class' => 'toggleable-container toggleable-container-hidden',

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'expanded' => 'false',

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];

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}

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}

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