239 lines
6.5 KiB
PHP
239 lines
6.5 KiB
PHP
<?php
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/**
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** A base module for [quiz]
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**/
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/* form_tag handler */
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add_action( 'wpcf7_init', 'wpcf7_add_form_tag_quiz', 10, 0 );
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function wpcf7_add_form_tag_quiz() {
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wpcf7_add_form_tag( 'quiz',
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'wpcf7_quiz_form_tag_handler',
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array(
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'name-attr' => true,
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'do-not-store' => true,
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'not-for-mail' => true,
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)
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);
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}
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function wpcf7_quiz_form_tag_handler( $tag ) {
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if ( empty( $tag->name ) ) {
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return '';
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}
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$validation_error = wpcf7_get_validation_error( $tag->name );
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$class = wpcf7_form_controls_class( $tag->type );
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if ( $validation_error ) {
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$class .= ' wpcf7-not-valid';
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}
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$atts = array();
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$atts['size'] = $tag->get_size_option( '40' );
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$atts['maxlength'] = $tag->get_maxlength_option();
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$atts['minlength'] = $tag->get_minlength_option();
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if ( $atts['maxlength'] and $atts['minlength']
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and $atts['maxlength'] < $atts['minlength'] ) {
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unset( $atts['maxlength'], $atts['minlength'] );
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}
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$atts['class'] = $tag->get_class_option( $class );
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$atts['id'] = $tag->get_id_option();
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$atts['tabindex'] = $tag->get_option( 'tabindex', 'signed_int', true );
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$atts['autocomplete'] = 'off';
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$atts['aria-required'] = 'true';
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$atts['aria-invalid'] = $validation_error ? 'true' : 'false';
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$pipes = $tag->pipes;
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if ( $pipes instanceof WPCF7_Pipes
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and ! $pipes->zero() ) {
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$pipe = $pipes->random_pipe();
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$question = $pipe->before;
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$answer = $pipe->after;
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} else {
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// default quiz
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$question = '1+1=?';
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$answer = '2';
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}
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$answer = wpcf7_canonicalize( $answer );
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$atts['type'] = 'text';
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$atts['name'] = $tag->name;
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$atts = wpcf7_format_atts( $atts );
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$html = sprintf(
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'<span class="wpcf7-form-control-wrap %1$s"><label><span class="wpcf7-quiz-label">%2$s</span> <input %3$s /></label><input type="hidden" name="_wpcf7_quiz_answer_%4$s" value="%5$s" />%6$s</span>',
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sanitize_html_class( $tag->name ),
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esc_html( $question ), $atts, $tag->name,
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wp_hash( $answer, 'wpcf7_quiz' ), $validation_error );
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return $html;
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}
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/* Validation filter */
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add_filter( 'wpcf7_validate_quiz', 'wpcf7_quiz_validation_filter', 10, 2 );
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function wpcf7_quiz_validation_filter( $result, $tag ) {
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$name = $tag->name;
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$answer = isset( $_POST[$name] ) ? wpcf7_canonicalize( $_POST[$name] ) : '';
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$answer = wp_unslash( $answer );
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$answer_hash = wp_hash( $answer, 'wpcf7_quiz' );
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$expected_hash = isset( $_POST['_wpcf7_quiz_answer_' . $name] )
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? (string) $_POST['_wpcf7_quiz_answer_' . $name]
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: '';
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if ( $answer_hash != $expected_hash ) {
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$result->invalidate( $tag, wpcf7_get_message( 'quiz_answer_not_correct' ) );
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}
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return $result;
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}
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/* Ajax echo filter */
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add_filter( 'wpcf7_ajax_onload', 'wpcf7_quiz_ajax_refill', 10, 1 );
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add_filter( 'wpcf7_ajax_json_echo', 'wpcf7_quiz_ajax_refill', 10, 1 );
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function wpcf7_quiz_ajax_refill( $items ) {
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if ( ! is_array( $items ) ) {
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return $items;
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}
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$fes = wpcf7_scan_form_tags( array( 'type' => 'quiz' ) );
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if ( empty( $fes ) ) {
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return $items;
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}
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$refill = array();
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foreach ( $fes as $fe ) {
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$name = $fe['name'];
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$pipes = $fe['pipes'];
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if ( empty( $name ) ) {
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continue;
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}
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if ( $pipes instanceof WPCF7_Pipes
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and ! $pipes->zero() ) {
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$pipe = $pipes->random_pipe();
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$question = $pipe->before;
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$answer = $pipe->after;
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} else {
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// default quiz
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$question = '1+1=?';
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$answer = '2';
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}
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$answer = wpcf7_canonicalize( $answer );
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$refill[$name] = array( $question, wp_hash( $answer, 'wpcf7_quiz' ) );
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}
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if ( ! empty( $refill ) ) {
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$items['quiz'] = $refill;
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}
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return $items;
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}
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/* Messages */
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add_filter( 'wpcf7_messages', 'wpcf7_quiz_messages', 10, 1 );
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function wpcf7_quiz_messages( $messages ) {
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$messages = array_merge( $messages, array(
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'quiz_answer_not_correct' => array(
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'description' =>
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__( "Sender doesn't enter the correct answer to the quiz", 'contact-form-7' ),
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'default' =>
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__( "The answer to the quiz is incorrect.", 'contact-form-7' ),
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),
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) );
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return $messages;
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}
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/* Tag generator */
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add_action( 'wpcf7_admin_init', 'wpcf7_add_tag_generator_quiz', 40, 0 );
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function wpcf7_add_tag_generator_quiz() {
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$tag_generator = WPCF7_TagGenerator::get_instance();
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$tag_generator->add( 'quiz', __( 'quiz', 'contact-form-7' ),
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'wpcf7_tag_generator_quiz' );
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}
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function wpcf7_tag_generator_quiz( $contact_form, $args = '' ) {
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$args = wp_parse_args( $args, array() );
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$type = 'quiz';
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$description = __( "Generate a form-tag for a question-answer pair. For more details, see %s.", 'contact-form-7' );
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$desc_link = wpcf7_link( __( 'https://contactform7.com/quiz/', 'contact-form-7' ), __( 'Quiz', 'contact-form-7' ) );
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?>
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<div class="control-box">
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<fieldset>
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<legend><?php echo sprintf( esc_html( $description ), $desc_link ); ?></legend>
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<table class="form-table">
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<tbody>
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<tr>
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<th scope="row"><label for="<?php echo esc_attr( $args['content'] . '-name' ); ?>"><?php echo esc_html( __( 'Name', 'contact-form-7' ) ); ?></label></th>
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<td><input type="text" name="name" class="tg-name oneline" id="<?php echo esc_attr( $args['content'] . '-name' ); ?>" /></td>
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</tr>
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<tr>
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<th scope="row"><?php echo esc_html( __( 'Questions and answers', 'contact-form-7' ) ); ?></th>
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<td>
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<fieldset>
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<legend class="screen-reader-text"><?php echo esc_html( __( 'Questions and answers', 'contact-form-7' ) ); ?></legend>
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<textarea name="values" class="values" id="<?php echo esc_attr( $args['content'] . '-values' ); ?>"></textarea><br />
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<label for="<?php echo esc_attr( $args['content'] . '-values' ); ?>"><span class="description"><?php echo esc_html( __( "One pipe-separated question-answer pair (e.g. The capital of Brazil?|Rio) per line.", 'contact-form-7' ) ); ?></span></label>
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</fieldset>
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</td>
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</tr>
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<tr>
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<th scope="row"><label for="<?php echo esc_attr( $args['content'] . '-id' ); ?>"><?php echo esc_html( __( 'Id attribute', 'contact-form-7' ) ); ?></label></th>
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<td><input type="text" name="id" class="idvalue oneline option" id="<?php echo esc_attr( $args['content'] . '-id' ); ?>" /></td>
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</tr>
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<tr>
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<th scope="row"><label for="<?php echo esc_attr( $args['content'] . '-class' ); ?>"><?php echo esc_html( __( 'Class attribute', 'contact-form-7' ) ); ?></label></th>
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<td><input type="text" name="class" class="classvalue oneline option" id="<?php echo esc_attr( $args['content'] . '-class' ); ?>" /></td>
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</tr>
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</tbody>
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</table>
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</fieldset>
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</div>
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<div class="insert-box">
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<input type="text" name="<?php echo $type; ?>" class="tag code" readonly="readonly" onfocus="this.select()" />
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<div class="submitbox">
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<input type="button" class="button button-primary insert-tag" value="<?php echo esc_attr( __( 'Insert Tag', 'contact-form-7' ) ); ?>" />
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</div>
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</div>
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<?php
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}
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