<?php

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namespace WPForms\Admin\Tools\Views;

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use WPForms\Admin\Tools\Tools;

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/**

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* Single View class.

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*

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* @since 1.6.6

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*/

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abstract class View {

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/**

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* View slug.

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*

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* @since 1.6.6

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*

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* @var string

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*/

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protected $slug;

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/**

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* Init.

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*

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* @since 1.6.6

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*/

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abstract public function init();

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/**

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* Get link to the view page.

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*

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* @since 1.6.6

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*

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* @return string

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*/

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public function get_link() {

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return add_query_arg(

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[

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'page' => Tools::SLUG,

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'view' => $this->slug,

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],

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admin_url( 'admin.php' )

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);

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}

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/**

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* Get view label.

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*

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* @since 1.6.6

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*

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* @return string

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*/

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abstract public function get_label();

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/**

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* Checking user capability to view.

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*

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* @since 1.6.6

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*

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* @return bool

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*/

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abstract public function check_capability();

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/**

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* Checking if needs display in navigation.

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*

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* @since 1.6.6

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*

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* @return bool

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*/

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public function hide_from_nav() {

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return false;

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}

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/**

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* Checking if navigation needs display.

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*

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* @since 1.6.6

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*

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* @return bool

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*/

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public function show_nav() {

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return true;

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}

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/**

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* Display nonce field.

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*

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* @since 1.6.6

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*/

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public function nonce_field() {

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wp_nonce_field( 'wpforms_' . $this->slug . '_nonce', 'wpforms-tools-' . $this->slug . '-nonce' );

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}

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/**

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* Verify nonce field.

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*

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* @since 1.6.6

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*/

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public function verify_nonce(): bool {

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$nonce_name = 'wpforms-tools-' . $this->slug . '-nonce';

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$nonce = isset( $_POST[ $nonce_name ] ) ? sanitize_text_field( wp_unslash( $_POST[ $nonce_name ] ) ) : '';

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return (bool) wp_verify_nonce( $nonce, 'wpforms_' . $this->slug . '_nonce' );

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}

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/**

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* Display view content.

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*

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* @since 1.6.6

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*/

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abstract public function display();

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}

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