File: //proc/self/cwd/wp-content/plugins/extensions-for-cf7/admin/include/class.cf7-signature.php
<?php
if( ! defined( 'ABSPATH' ) ) exit(); // Exit if accessed directly
class Extensions_Cf7_Signature{
/**
* [$_instance]
* @var null
*/
private static $_instance = null;
/**
* [instance] Initializes a singleton instance
* @return [Extensions_Cf7_Signature]
*/
public static function instance() {
if ( is_null( self::$_instance ) ) {
self::$_instance = new self();
}
return self::$_instance;
}
function __construct(){
add_action('wp_enqueue_scripts', [$this, 'enqueue_scripts']);
add_filter('extcf7_post_metabox', [$this, 'metabox_options']);
add_action( 'wpcf7_save_contact_form', [$this, 'styler_save_data'] );
add_action('wpcf7_init', [$this, 'wpcf7_tags']);
add_action('admin_init', [$this, 'wpcf7_tag_generator'], 589);
add_filter( 'wpcf7_validate_extcf7_signature', [$this, 'validation_filter'],10, 2);
add_filter( 'wpcf7_validate_extcf7_signature*', [$this, 'validation_filter'],10, 2);
}
public function enqueue_scripts() {
wp_enqueue_script('extcf7_signature', CF7_EXTENTIONS_PL_URL.'assets/js/signature.min.js', ['jquery'], CF7_EXTENTIONS_PL_VERSION, true);
wp_enqueue_script('extcf7_signature-active', CF7_EXTENTIONS_PL_URL.'assets/js/signature-active.js', ['jquery', 'extcf7_signature'], CF7_EXTENTIONS_PL_VERSION, true);
}
public function metabox_options($value) {
$value['extcf7_signature'] = [
'id' => 'signature',
'label' => __( 'Signature', 'cf7-extensions' ),
'fields' => [
[
'id' => 'signature_bg_color',
'name' => __( 'Signature Pad Background Color', 'cf7-extensions' ),
'type' => 'color',
'class' => 'htcf7ext-field-styler width-50 admin-width-50',
],
[
'id' => 'signature_pen_color',
'name' => __( 'Signature Pen Color', 'cf7-extensions' ),
'type' => 'color',
'class' => 'htcf7ext-field-styler width-50 admin-width-50',
],
[
'id' => 'signature_height',
'name' => __( 'Signature Pad Height (px)', 'cf7-extensions' ),
'type' => 'number',
'class' => 'htcf7ext-field-styler width-50 admin-width-50',
],
[
'id' => 'signature_width',
'name' => __( 'Signature Pad Width (px)', 'cf7-extensions' ),
'type' => 'number',
'class' => 'htcf7ext-field-styler width-50 admin-width-50',
],
],
];
return $value;
}
public function styler_save_data($form) {
if(empty($_POST['extcf7_signature'])) {
return;
}
update_post_meta($form->id, 'extcf7_signature', htcf7extopt_data_clean($_POST['extcf7_signature']));
}
public function wpcf7_tags() {
if (function_exists('wpcf7_add_form_tag')) {
wpcf7_add_form_tag(
['extcf7_signature', 'extcf7_signature*'],
[$this, 'signature_shortcode'],
[
'name-attr' => true,
'file-uploading' => true,
]
);
} else {
throw new Exception(esc_html__('functions wpcf7_add_form_tag not found.', 'cf7-extensions'));
}
}
public function signature_shortcode($tag){
if ( empty( $tag->name ) ) {
return '';
}
$validation_error = wpcf7_get_validation_error( $tag->name );
$class = wpcf7_form_controls_class( 'extcf7_signature' );
$atts = [];
if ( $validation_error ) {
$class .= ' wpcf7-not-valid';
}
if ( $tag->is_required() ) {
$atts['aria-required'] = 'true';
}
$atts['name'] = $tag->name;
$atts['class'] = $tag->get_class_option( $class );
$atts['aria-invalid'] = $validation_error ? 'true' : 'false';
$atts = wpcf7_format_atts( $atts );
$wpcf7 = WPCF7_ContactForm::get_current();
$form_id = $wpcf7->id();
$styleMeta = get_post_meta($form_id, 'extcf7_signature', true);
$canvas_width = !empty($styleMeta['signature_width']) ? $styleMeta['signature_width'] : 300;
$canvas_height = !empty($styleMeta['signature_height']) ? $styleMeta['signature_height'] : 120;
$signature_bg_color = !empty($styleMeta['signature_bg_color']) ? $styleMeta['signature_bg_color'] : '#efefef';
$signature_pen_color = !empty($styleMeta['signature_pen_color']) ? $styleMeta['signature_pen_color'] : '#000';
ob_start();
?>
<div class="wpcf7-form-control-wrap extcf7_signature_wrapper <?php echo sanitize_html_class( $tag->name ); ?>">
<input hidden type="file" class="extcf7_signature_field_input" <?php echo esc_attr($atts); ?>>
<div class="extcf7_signature_pad">
<canvas
id="<?php echo sanitize_html_class( $tag->name ); ?>"
width="<?php echo esc_attr($canvas_width); ?>"
height="<?php echo esc_attr($canvas_height); ?>"
data-bg-color="<?php echo esc_attr($signature_bg_color); ?>"
data-pen-color="<?php echo esc_attr($signature_pen_color); ?>"
></canvas>
<div class="extcf7_signature_control">
<button type="button" class="extcf7_signature_clear_button"><?php esc_html_e( 'Clear Signature', 'cf7-extensions' ); ?></button>
</div>
</div>
</div>
<?php
return ob_get_clean();
}
public function wpcf7_tag_generator() {
if (! function_exists( 'wpcf7_add_tag_generator')) {
return;
}
$callback = htcf7ext_is_tg_v2() ? 'signature_layout' : 'signature_layout_old';
wpcf7_add_tag_generator(
'extcf7_signature',
esc_html__('HT Signature', 'cf7-extensions'),
'wpcf7-tg-extcf7-signature',
[$this, $callback],
['version' => 2]
);
}
public function signature_layout($contact_form, $args = '') {
$args = wp_parse_args( $args, [] );
$tgg = new WPCF7_TagGeneratorGenerator( $args['content'] );
?>
<header class="description-box">
<h3><?php echo esc_html__( 'HT Signature', 'cf7-extensions' ); ?></h3>
<p><?php echo esc_html__( "Generate a form tag for Signature.", 'cf7-extensions' ); ?></p>
</header>
<div class="control-box">
<fieldset>
<legend><?php echo esc_html__( 'Field type', 'cf7-extensions' ); ?></legend>
<input type="hidden" data-tag-part="basetype" value="extcf7_signature" />
<label><input type="checkbox" name="required" data-tag-part="type-suffix" value="*" /> <?php echo esc_html__( 'Required field', 'cf7-extensions' ); ?></label>
</fieldset>
<?php
$tgg->print( 'field_name' );
$tgg->print( 'class_attr' );
?>
</div>
<footer class="insert-box">
<?php $tgg->print( 'insert_box_content' ); ?>
</footer>
<?php
}
public function signature_layout_old($contact_form, $args = '') {
$args = wp_parse_args( $args, [] );
$type = 'extcf7_signature';
?>
<div class="control-box">
<table class="form-table">
<tbody>
<tr>
<th scope="row"><?php echo esc_html__( 'Field type', 'cf7-extensions' ); ?></th>
<td>
<fieldset>
<legend class="screen-reader-text"><?php echo esc_html__( 'Field type', 'cf7-extensions' ); ?></legend>
<label><input type="checkbox" name="required" /> <?php echo esc_html__( 'Required field', 'cf7-extensions' ); ?></label>
</fieldset>
</td>
</tr>
<tr>
<th scope="row"><label for="<?php echo esc_attr( $args['content'] . '-name' ); ?>"><?php echo esc_html__( 'Name', 'cf7-extensions' ); ?></label></th>
<td><input type="text" name="name" class="tg-name" id="<?php echo esc_attr( $args['content'] . '-name' ); ?>" /></td>
</tr>
<tr>
<th scope="row"><label for="<?php echo esc_attr( $args['content'] . '-class' ); ?>"><?php echo esc_html__( 'Class attribute', 'cf7-extensions' ); ?></label></th>
<td><input type="text" name="class" class="classvalue oneline option" id="<?php echo esc_attr( $args['content'] . '-class' ); ?>" /></td>
</tr>
</tbody>
</table>
</div>
<div class="insert-box">
<input type="text" name="<?php echo esc_attr( $type ); ?>" class="tag code" readonly="readonly" onfocus="this.select()" />
<div class="submitbox">
<input type="button" class="button button-primary insert-tag" value="<?php esc_html_e( 'Insert Tag', 'cf7-extensions' ); ?>" />
</div>
<br class="clear" />
</div>
<?php
}
public function validation_filter($result, $tag){
$name = $tag->name;
$value = ( isset( $_POST[ $name ] ) && !empty( $_POST[ $name ] ) ) ? sanitize_text_field($_POST[ $name ]) : null ; //phpcs:ignore WordPress.Security.NonceVerification.Missing
if( empty( $value ) && $tag->is_required() ) {
$result->invalidate( $tag, wpcf7_get_message( 'invalid_required' ) );
return $result;
}
return $result;
}
}
Extensions_Cf7_Signature::instance();