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<?php /** ** A base module for [checkbox], [checkbox*], and [radio] **/
/* Shortcode handler */
add_action( 'wpcf7_init', 'wpcf7_add_shortcode_checkbox' );
function wpcf7_add_shortcode_checkbox() { wpcf7_add_shortcode( array( 'checkbox', 'checkbox*', 'radio' ), 'wpcf7_checkbox_shortcode_handler', true ); }
function wpcf7_checkbox_shortcode_handler( $tag ) { $tag = new WPCF7_Shortcode( $tag );
if ( empty( $tag->name ) ) return '';
$validation_error = wpcf7_get_validation_error( $tag->name );
$class = wpcf7_form_controls_class( $tag->type );
if ( $validation_error ) $class .= ' wpcf7-not-valid';
$label_first = $tag->has_option( 'label_first' ); $use_label_element = $tag->has_option( 'use_label_element' ); $exclusive = $tag->has_option( 'exclusive' ); $free_text = $tag->has_option( 'free_text' ); $multiple = false;
if ( 'checkbox' == $tag->basetype ) $multiple = ! $exclusive; else // radio $exclusive = false;
if ( $exclusive ) $class .= ' wpcf7-exclusive-checkbox';
$atts = array();
$atts['class'] = $tag->get_class_option( $class ); $atts['id'] = $tag->get_id_option();
$tabindex = $tag->get_option( 'tabindex', 'int', true );
if ( false !== $tabindex ) $tabindex = absint( $tabindex );
$defaults = array();
if ( $matches = $tag->get_first_match_option( '/^default:([0-9_]+)$/' ) ) $defaults = explode( '_', $matches[1] );
$html = ''; $count = 0;
$values = (array) $tag->values; $labels = (array) $tag->labels;
if ( $data = (array) $tag->get_data_option() ) { if ( $free_text ) { $values = array_merge( array_slice( $values, 0, -1 ), array_values( $data ), array_slice( $values, -1 ) ); $labels = array_merge( array_slice( $labels, 0, -1 ), array_values( $data ), array_slice( $labels, -1 ) ); } else { $values = array_merge( $values, array_values( $data ) ); $labels = array_merge( $labels, array_values( $data ) ); } }
$hangover = wpcf7_get_hangover( $tag->name, $multiple ? array() : '' );
foreach ( $values as $key => $value ) { $class = 'wpcf7-list-item';
$checked = false;
if ( $hangover ) { if ( $multiple ) { $checked = in_array( esc_sql( $value ), (array) $hangover ); } else { $checked = ( $hangover == esc_sql( $value ) ); } } else { $checked = in_array( $key + 1, (array) $defaults ); }
if ( isset( $labels[$key] ) ) $label = $labels[$key]; else $label = $value;
$item_atts = array( 'type' => $tag->basetype, 'name' => $tag->name . ( $multiple ? '[]' : '' ), 'value' => $value, 'checked' => $checked ? 'checked' : '', 'tabindex' => $tabindex ? $tabindex : '' );
$item_atts = wpcf7_format_atts( $item_atts );
if ( $label_first ) { // put label first, input last $item = sprintf( '<span class="wpcf7-list-item-label">%1$s</span> <input %2$s />', esc_html( $label ), $item_atts ); } else { $item = sprintf( '<input %2$s /> <span class="wpcf7-list-item-label">%1$s</span>', esc_html( $label ), $item_atts ); }
if ( $use_label_element ) $item = '<label>' . $item . '</label>';
if ( false !== $tabindex ) $tabindex += 1;
$count += 1;
if ( 1 == $count ) { $class .= ' first'; }
if ( count( $values ) == $count ) { // last round $class .= ' last';
if ( $free_text ) { $free_text_name = sprintf( '_wpcf7_%1$s_free_text_%2$s', $tag->basetype, $tag->name );
$free_text_atts = array( 'name' => $free_text_name, 'class' => 'wpcf7-free-text', 'tabindex' => $tabindex ? $tabindex : '' );
if ( wpcf7_is_posted() && isset( $_POST[$free_text_name] ) ) { $free_text_atts['value'] = wp_unslash( $_POST[$free_text_name] ); }
$free_text_atts = wpcf7_format_atts( $free_text_atts );
$item .= sprintf( ' <input type="text" %s />', $free_text_atts );
$class .= ' has-free-text'; } }
$item = '<span class="' . esc_attr( $class ) . '">' . $item . '</span>'; $html .= $item; }
$atts = wpcf7_format_atts( $atts );
$html = sprintf( '<span class="wpcf7-form-control-wrap %1$s"><span %2$s>%3$s</span>%4$s</span>', sanitize_html_class( $tag->name ), $atts, $html, $validation_error );
return $html; }
/* Validation filter */
add_filter( 'wpcf7_validate_checkbox', 'wpcf7_checkbox_validation_filter', 10, 2 ); add_filter( 'wpcf7_validate_checkbox*', 'wpcf7_checkbox_validation_filter', 10, 2 ); add_filter( 'wpcf7_validate_radio', 'wpcf7_checkbox_validation_filter', 10, 2 );
function wpcf7_checkbox_validation_filter( $result, $tag ) { $tag = new WPCF7_Shortcode( $tag );
$type = $tag->type; $name = $tag->name;
$value = isset( $_POST[$name] ) ? (array) $_POST[$name] : array();
if ( 'checkbox*' == $type ) { if ( empty( $value ) ) { $result['valid'] = false; $result['reason'][$name] = wpcf7_get_message( 'invalid_required' ); } }
if ( isset( $result['reason'][$name] ) && $id = $tag->get_id_option() ) { $result['idref'][$name] = $id; }
return $result; }
/* Adding free text field */
add_filter( 'wpcf7_posted_data', 'wpcf7_checkbox_posted_data' );
function wpcf7_checkbox_posted_data( $posted_data ) { $tags = wpcf7_scan_shortcode( array( 'type' => array( 'checkbox', 'checkbox*', 'radio' ) ) );
if ( empty( $tags ) ) { return $posted_data; }
foreach ( $tags as $tag ) { $tag = new WPCF7_Shortcode( $tag );
if ( ! isset( $posted_data[$tag->name] ) ) { continue; }
$posted_items = (array) $posted_data[$tag->name];
if ( $tag->has_option( 'free_text' ) ) { if ( WPCF7_USE_PIPE ) { $values = $tag->pipes->collect_afters(); } else { $values = $tag->values; }
$last = array_pop( $values ); $last = html_entity_decode( $last, ENT_QUOTES, 'UTF-8' );
if ( in_array( $last, $posted_items ) ) { $posted_items = array_diff( $posted_items, array( $last ) );
$free_text_name = sprintf( '_wpcf7_%1$s_free_text_%2$s', $tag->basetype, $tag->name );
$free_text = $posted_data[$free_text_name];
if ( ! empty( $free_text ) ) { $posted_items[] = trim( $last . ' ' . $free_text ); } else { $posted_items[] = $last; } } }
$posted_data[$tag->name] = $posted_items; }
return $posted_data; }
/* Tag generator */
add_action( 'admin_init', 'wpcf7_add_tag_generator_checkbox_and_radio', 30 );
function wpcf7_add_tag_generator_checkbox_and_radio() { if ( ! function_exists( 'wpcf7_add_tag_generator' ) ) return;
wpcf7_add_tag_generator( 'checkbox', __( 'Checkboxes', 'contact-form-7' ), 'wpcf7-tg-pane-checkbox', 'wpcf7_tg_pane_checkbox' );
wpcf7_add_tag_generator( 'radio', __( 'Radio buttons', 'contact-form-7' ), 'wpcf7-tg-pane-radio', 'wpcf7_tg_pane_radio' ); }
function wpcf7_tg_pane_checkbox( $contact_form ) { wpcf7_tg_pane_checkbox_and_radio( 'checkbox' ); }
function wpcf7_tg_pane_radio( $contact_form ) { wpcf7_tg_pane_checkbox_and_radio( 'radio' ); }
function wpcf7_tg_pane_checkbox_and_radio( $type = 'checkbox' ) { if ( 'radio' != $type ) $type = 'checkbox';
?> <div id="wpcf7-tg-pane-<?php echo $type; ?>" class="hidden"> <form action=""> <table> <?php if ( 'checkbox' == $type ) : ?> <tr><td><input type="checkbox" name="required" /> <?php echo esc_html( __( 'Required field?', 'contact-form-7' ) ); ?></td></tr> <?php endif; ?>
<tr><td><?php echo esc_html( __( 'Name', 'contact-form-7' ) ); ?><br /><input type="text" name="name" class="tg-name oneline" /></td><td></td></tr> </table>
<table> <tr> <td><code>id</code> (<?php echo esc_html( __( 'optional', 'contact-form-7' ) ); ?>)<br /> <input type="text" name="id" class="idvalue oneline option" /></td>
<td><code>class</code> (<?php echo esc_html( __( 'optional', 'contact-form-7' ) ); ?>)<br /> <input type="text" name="class" class="classvalue oneline option" /></td> </tr>
<tr> <td><?php echo esc_html( __( 'Choices', 'contact-form-7' ) ); ?><br /> <textarea name="values"></textarea><br /> <span style="font-size: smaller"><?php echo esc_html( __( "* One choice per line.", 'contact-form-7' ) ); ?></span> </td>
<td> <br /><input type="checkbox" name="label_first" class="option" /> <?php echo esc_html( __( 'Put a label first, a checkbox last?', 'contact-form-7' ) ); ?> <br /><input type="checkbox" name="use_label_element" class="option" /> <?php echo esc_html( __( 'Wrap each item with <label> tag?', 'contact-form-7' ) ); ?> <?php if ( 'checkbox' == $type ) : ?> <br /><input type="checkbox" name="exclusive" class="option" /> <?php echo esc_html( __( 'Make checkboxes exclusive?', 'contact-form-7' ) ); ?> <?php endif; ?> </td> </tr> </table>
<div class="tg-tag"><?php echo esc_html( __( "Copy this code and paste it into the form left.", 'contact-form-7' ) ); ?><br /><input type="text" name="<?php echo $type; ?>" class="tag wp-ui-text-highlight code" readonly="readonly" onfocus="this.select()" /></div>
<div class="tg-mail-tag"><?php echo esc_html( __( "And, put this code into the Mail fields below.", 'contact-form-7' ) ); ?><br /><input type="text" class="mail-tag wp-ui-text-highlight code" readonly="readonly" onfocus="this.select()" /></div> </form> </div> <?php }
?>
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