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<?php
/**
* Handle Template Loading Handler
*
* @package Give
* @since 2.7.0
*/
namespace Give\Form;
use _WP_Dependency;
use Give\Form\Template\Hookable;
use Give\Form\Template\Scriptable;
use Give\Helpers\Form\Utils;
use Give\Helpers\Form\Utils as FormUtils;
use Give\Helpers\Form\Template as FormTemplateUtils;
use Give\Helpers\Form\Template\Utils\Frontend as FrontendFormTemplateUtils;
defined( 'ABSPATH' ) || exit;
/**
* LoadTemplate class.
* This class is responsible to load necessary hooks and run required functions which help to render form template (in different style).
*
* @since 2.7.0
*/
class LoadTemplate {
/**
* Default form template ID.
*
* @var string
*/
private $defaultTemplateID = 'legacy';
/**
* Form template config.
*
* @var Template
*/
private $template;
/**
* setup form template
*
* @since 2.7.0
* @param int $formId Form Id. Default value: check explanation in src/Helpers/Form/Utils.php:103
*/
private function setUpTemplate( $formId = null ) {
$formId = (int) ( $formId ?: FrontendFormTemplateUtils::getFormId() );
$templateID = FormTemplateUtils::getActiveID( $formId ) ?: $this->defaultTemplateID;
$this->template = Give()->templates->getTemplate( $templateID );
}
/**
* Initialize form template
*/
public function init() {
$this->setUpTemplate();
// Exit is template is not valid.
if ( ! ( $this->template instanceof Template ) ) {
return;
}
// Load template hooks.
if ( $this->template instanceof Hookable ) {
$this->template->loadHooks();
}
// Load template scripts.
if ( $this->template instanceof Scriptable ) {
add_action( 'wp_enqueue_scripts', [ $this->template, 'loadScripts' ] );
}
$this->setUpFrontendHooks();
}
/**
* Setup frontend hooks
*
* @since 2.7.0
*/
private function setUpFrontendHooks() {
add_action( 'give_embed_head', [ $this, 'noRobots' ] );
add_action( 'give_embed_head', 'wp_enqueue_scripts', 1 );
add_action( 'give_embed_head', [ $this, 'handleEnqueueScripts' ], 2 );
add_action( 'give_embed_head', 'wp_print_styles', 8 );
add_action( 'give_embed_head', 'wp_print_head_scripts', 9 );
add_action( 'give_embed_footer', 'wp_print_footer_scripts', 20 );
add_filter( 'give_form_wrap_classes', [ $this, 'editClassList' ], 999 );
add_action( 'give_hidden_fields_after', [ $this, 'addHiddenField' ] );
add_filter( 'give_donation_form_submit_button', [ $this, 'disableDonationButtonInPreviewMode' ], 999, 2 );
// Handle receipt screen template
add_action( 'wp_ajax_get_receipt', [ $this, 'handleReceiptAjax' ], 9 );
add_action( 'wp_ajax_nopriv_get_receipt', [ $this, 'handleReceiptAjax' ], 9 );
}
/**
* Display a noindex meta tag.
*
* Outputs a noindex meta tag that tells web robots not to index and follow content.
*
* @since 2.7.0
*/
public function noRobots() {
echo "<meta name='robots' content='noindex,nofollow'/>\n";
}
/**
* Render sequoia receipt by ajax
*
* @since 2.7.0
*/
public function handleReceiptAjax() {
// Let core handle receipt for legacy form.
if ( FormUtils::isLegacyForm() ) {
return;
}
// Remove protocol before url comparision.
$referer = preg_replace( '/^https?:\/\//i', '', untrailingslashit( wp_get_referer() ) );
$successPageUrl = preg_replace( '/^https?:\/\//i', '', untrailingslashit( FormUtils::getSuccessPageURL() ) );
// Show new receipt view only on donation confirmation page.
if ( false === strpos( $referer, $successPageUrl ) ) {
return;
}
ob_start();
include_once $this->template->getReceiptView();
$data = ob_get_clean();
wp_send_json( $data );
wp_die(); // All ajax handlers die when finished
}
/**
* Handle enqueue script
*
* @since 2.7.0
*/
public function handleEnqueueScripts() {
global $wp_scripts, $wp_styles;
wp_enqueue_scripts();
$wp_styles->dequeue( $this->getListOfScriptsToDequeue( $wp_styles->registered ) );
$wp_scripts->dequeue( $this->getListOfScriptsToDequeue( $wp_scripts->registered ) );
}
/**
* Edit donation form wrapper class list.
*
* @param array $classes
*
* @return array
* @since 2.7.0
*/
public function editClassList( $classes ) {
// Remove display_style related classes because they (except onpage ) creates style conflict with form template.
$classes = array_filter(
$classes,
static function ( $class ) {
return false === strpos( $class, 'give-display-' );
}
);
$classes[] = 'give-embed-form';
if ( FormUtils::inIframe() ) {
$classes[] = 'give-viewing-form-in-iframe';
}
return $classes;
}
/**
* Add hidden field
*
* @since 2.7.0
*/
public function addHiddenField() {
printf(
'<input type="hidden" name="%1$s" value="%2$s">',
'give_embed_form',
'1'
);
}
/**
* Disable donation submit in donation form preview mode.
*
* @param string $buttonHtml
* @param int $formId
* @return string
* @since 2.7.0
*/
public function disableDonationButtonInPreviewMode( $buttonHtml, $formId ) {
if ( Utils::canDisableDonationNowButton() ) {
$search = 'input type="submit"';
$buttonHtml = str_replace(
$search,
"{$search} onclick=\"return false;\"",
$buttonHtml
);
}
return $buttonHtml;
}
/**
* Get filter list to dequeue scripts and style
*
* @param array $scripts
*
* @return array
* @since 2.7.0
*/
private function getListOfScriptsToDequeue( $scripts ) {
$list = [];
$skip = [ 'babel-polyfill' ];
$themeDir = get_template_directory_uri();
/* @var _WP_Dependency $data */
foreach ( $scripts as $handle => $data ) {
// Do not unset dependency.
if ( in_array( $handle, $skip, true ) ) {
continue;
}
// Do not allow styles and scripts from theme.
if ( false !== strpos( (string) $data->src, $themeDir ) ) {
$list[] = $handle;
continue;
}
if (
0 === strpos( $handle, 'give' ) ||
false !== strpos( $data->src, '\give' )
) {
// Store dependencies to skip.
$skip = array_merge( $skip, $data->deps );
continue;
}
$list[] = $handle;
}
return $list;
}
/**
* Get template.
*
* @return Template
* @since 2.7.0
*/
public function getTheme() {
return $this->template;
}
}