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<?php
/**
* Handle iframe skin.
*
* @package Give
*/
namespace Give\Views;
use Give\Form\Template;
use Give\Helpers\Form\Template as FormTemplateUtils;
use Give\Helpers\Form\Utils as FormUtils;
use Give\Helpers\Utils as GlobalUtils;
/**
* Class IframeView
*
* Note: only for internal use.
*
* @package Give
* @since 2.7.0
*/
class IframeView
{
/**
* Iframe URL.
*
* This will be use to setup src attribute.
*
* @since 2.7.0
* @var string
*/
protected $url;
/**
* Flag to check whether show modal or iframe on page.
*
* @since 2.7.0
* @var bool
*/
protected $modal = false;
/**
* Flag to check whether on not auto scroll page to iframe.
*
* @since 2.7.0
* @var int
*/
protected $autoScroll = 0;
/**
* Iframe minimum height.
*
* @since 2.7.0
* @var bool
*/
protected $minHeight = null;
/**
* Unique identifier.
*
* @var string|null
*/
protected $uniqueId = null;
/**
* Button title.
*
* @var string|null
*/
protected $buttonTitle = null;
/**
* Button color.
*
* @var string|null
*/
protected $buttonColor = null;
/**
* Form template.
*
* @var Template
*/
protected $template = null;
/**
* Form id.
*
* @var int
*/
protected $formId = 0;
/**
* IframeView Constructor
*
* @param Template $template
*/
public function __construct($template = null)
{
$this->uniqueId = uniqid('give-');
$this->buttonTitle = esc_html__('Click to donate', 'give');
}
/**
* Set iframe URL.
*
* @param string $url
*
* @return $this
*/
public function setURL($url = null)
{
$this->url = esc_url(
add_query_arg(
['giveDonationFormInIframe' => 1],
$url
)
);
return $this;
}
/**
* Set whether or not show modal.
*
* @param bool $set
*
* @return $this
*/
public function showInModal($set)
{
$this->modal = $set;
return $this;
}
/**
* Button title.
*
* @param string $title
*
* @return $this
*/
public function setButtonTitle($title)
{
$this->buttonTitle = $title;
return $this;
}
/**
* Button color.
*
* @param string $color
*
* @return $this
*/
public function setButtonColor($color)
{
$this->buttonColor = $color;
return $this;
}
/**
* Form id.
*
* @param int $id
*
* @return $this
*/
public function setFormId($id)
{
$this->formId = $id;
return $this;
}
/**
* Return whether or not rest api request to render donation form block.
*
* @since 2.7.0
* @return bool
*/
private function isDonationFormBlockRendererApiRequest()
{
return false !== strpos(
$_SERVER['REQUEST_URI'],
rest_get_url_prefix() . '/wp/v2/block-renderer/give/donation-form'
);
}
/**
* Extra extra query param to iframe url.
*
* @since 2.7.0
*/
private function addExtraQueryParams()
{
// We can prevent live donation on in appropriate situation like: previewing donation form (with draft status)
if (FormTemplateUtils\Utils\Frontend::getPreviewDonationFormId(
) || $this->isDonationFormBlockRendererApiRequest()) {
$this->url = esc_url(
add_query_arg(
['giveDisableDonateNowButton' => 1],
$this->url
)
);
}
}
/**
* Get iframe HTML.
*
* @return string
*/
private function getIframeHTML()
{
ob_start();
$this->template->renderLoadingView($this->formId);
$loader = sprintf(
'<div class="iframe-loader">%1$s</div>',
ob_get_clean()
);
$iframe = sprintf(
'<iframe
name="give-embed-form"
%1$s
%4$s
data-autoScroll="%2$s"
onload="if( \'undefined\' !== typeof Give ) { Give.initializeIframeResize(this) }"
style="border: 0;visibility: hidden;%3$s"></iframe>%5$s',
$this->modal ? "data-src=\"{$this->url}\"" : "src=\"{$this->url}\"",
$this->autoScroll,
$this->minHeight ? "min-height: {$this->minHeight}px;" : '',
$this->modal ? 'class="in-modal"' : '',
$loader
);
/**
* @since 4.3.0 remove modal-inner-wrap element to achieve style parity with v3 modals.
*/
if ($this->modal) {
$iframe = sprintf(
'
<div class="modal-content">
<a href="#" class="close-btn js-give-embed-form-modal-closer" aria-label="%3$s" data-form-id="%3$s" rel="nofollow">%2$s
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24" aria-hidden="true" focusable="false" class="givewp-donation-form-modal__close__icon"><path stroke="black" stroke-width="2" d="M13 11.8l6.1-6.3-1-1-6.1 6.2-6.1-6.2-1 1 6.1 6.3-6.5 6.7 1 1 6.5-6.6 6.5 6.6 1-1z"></path></svg>
</a>
%1$s
</div>
',
$iframe,
'',
$this->uniqueId
);
}
return $iframe;
}
/**
* Get button HTML.
*
* @since 4.3.0 add v3 button classname to match v3 modals.
* @since 3.7.0 Escape attributes
*
* @return string
*/
private function getButtonHTML()
{
return sprintf(
'<div class="js-give-embed-form-modal-launcher-wrap">
<button
type="button"
class="js-give-embed-form-modal-opener givewp-donation-form-modal__open"
data-form-id="%1$s"%3$s
>%2$s</button>
</div>',
esc_attr($this->uniqueId),
esc_html($this->buttonTitle),
$this->buttonColor ? ' style="background-color: ' . esc_attr($this->buttonColor) . '"' : ''
);
}
/**
* Get iframe URL.
*
* @return string
*/
private function getIframeURL()
{
$query_string = array_map('give_clean', wp_parse_args($_SERVER['QUERY_STRING']));
$donationHistory = give_get_purchase_session();
$hasAction = !empty($query_string['giveDonationAction']);
$this->autoScroll = absint($hasAction);
$donationFormHasSession = null;
if ($donationHistory) {
$donationFormHasSession = $this->formId === absint($donationHistory['post_data'] ['give-form-id']);
}
// Do not pass donation acton by query param if does not belong to current form.
if (
$hasAction &&
!empty($donationHistory) &&
!$donationFormHasSession
) {
unset($query_string['giveDonationAction']);
$hasAction = false;
$this->autoScroll = 0;
}
// Build iframe url.
$url = Give()->routeForm->getURL(get_post_field('post_name', $this->formId));
if (($hasAction && 'showReceipt' === $query_string['giveDonationAction']) || FormUtils::isViewingFormReceipt(
)) {
$url = FormUtils::getSuccessPageURL();
} elseif (($hasAction && 'failedDonation' === $query_string['giveDonationAction'])) {
$url = $this->template->getFailedPageURL($this->formId);
$query_string['showFailedDonationError'] = 1;
}
$iframe_url = add_query_arg(
array_merge(['giveDonationFormInIframe' => 1], $query_string),
$url
);
return GlobalUtils::removeDonationAction($iframe_url);
}
/**
* Setup Default config.
*/
private function loadDefaultConfig()
{
$activeFormTemplate = FormTemplateUtils::getActiveID($this->formId);
$this->template = Give()->templates->getTemplate($activeFormTemplate);
$this->minHeight = $this->template->getFormStartingHeight($this->formId);
$this->url = $this->url ?: $this->getIframeURL();
$this->addExtraQueryParams();
}
/**
* Render view.
*
* Note: if you want to overwrite this function then do not forget to add action hook in footer and header.
* We use these hooks to manipulated donation form related actions.
*
* @since 2.7.0
*/
public function render()
{
ob_start();
$this->loadDefaultConfig();
if ($this->modal) {
echo $this->getButtonHTML();
}
printf(
'<div class="give-embed-form-wrapper%1$s" id="%2$s">%3$s</div>',
$this->modal ? ' is-hide' : '',
$this->uniqueId,
$this->getIframeHTML()
);
return ob_get_clean();
}
}