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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 );
$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 ) );
}
}
$defaults = array();
$default_choice = $tag->get_default_option( null, 'multiple=1' );
foreach ( $default_choice as $value ) {
$key = array_search( $value, $values, true );
if ( false !== $key ) {
$defaults[] = (int) $key + 1;
}
}
if ( $matches = $tag->get_first_match_option( '/^default:([0-9_]+)$/' ) ) {
$defaults = array_merge( $defaults, explode( '_', $matches[1] ) );
}
$defaults = array_unique( $defaults );
$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 ( $tag->is_required() && empty( $value ) ) {
$result->invalidate( $tag, wpcf7_get_message( 'invalid_required' ) );
}
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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