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<?php
/**
** A base module for [checkbox], [checkbox*], and [radio]
**/
/* form_tag handler */
add_action( 'wpcf7_init', 'wpcf7_add_form_tag_checkbox', 10, 0 );
function wpcf7_add_form_tag_checkbox() {
wpcf7_add_form_tag( array( 'checkbox', 'checkbox*', 'radio' ),
'wpcf7_checkbox_form_tag_handler',
array(
'name-attr' => true,
'selectable-values' => true,
'multiple-controls-container' => true,
)
);
}
function wpcf7_checkbox_form_tag_handler( $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', 'signed_int', true );
if ( false !== $tabindex ) {
$tabindex = (int) $tabindex;
}
$html = '';
$count = 0;
if ( $data = (array) $tag->get_data_option() ) {
if ( $free_text ) {
$tag->values = array_merge(
array_slice( $tag->values, 0, -1 ),
array_values( $data ),
array_slice( $tag->values, -1 ) );
$tag->labels = array_merge(
array_slice( $tag->labels, 0, -1 ),
array_values( $data ),
array_slice( $tag->labels, -1 ) );
} else {
$tag->values = array_merge( $tag->values, array_values( $data ) );
$tag->labels = array_merge( $tag->labels, array_values( $data ) );
}
}
$values = $tag->values;
$labels = $tag->labels;
$default_choice = $tag->get_default_option( null, array(
'multiple' => $multiple,
) );
$hangover = wpcf7_get_hangover( $tag->name, $multiple ? array() : '' );
foreach ( $values as $key => $value ) {
if ( $hangover ) {
$checked = in_array( $value, (array) $hangover, true );
} else {
$checked = in_array( $value, (array) $default_choice, true );
}
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' => false !== $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
and 0 < $tabindex ) {
$tabindex += 1;
}
$class = 'wpcf7-list-item';
$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' => false !== $tabindex ? $tabindex : '',
);
if ( wpcf7_is_posted()
and 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 ) {
$name = $tag->name;
$is_required = $tag->is_required() || 'radio' == $tag->type;
$value = isset( $_POST[$name] ) ? (array) $_POST[$name] : array();
if ( $is_required and 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', 10, 1 );
function wpcf7_checkbox_posted_data( $posted_data ) {
$tags = wpcf7_scan_form_tags(
array( 'type' => array( 'checkbox', 'checkbox*', 'radio' ) ) );
if ( empty( $tags ) ) {
return $posted_data;
}
foreach ( $tags as $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( 'wpcf7_admin_init',
'wpcf7_add_tag_generator_checkbox_and_radio', 30, 0 );
function wpcf7_add_tag_generator_checkbox_and_radio() {
$tag_generator = WPCF7_TagGenerator::get_instance();
$tag_generator->add( 'checkbox', __( 'checkboxes', 'contact-form-7' ),
'wpcf7_tag_generator_checkbox' );
$tag_generator->add( 'radio', __( 'radio buttons', 'contact-form-7' ),
'wpcf7_tag_generator_checkbox' );
}
function wpcf7_tag_generator_checkbox( $contact_form, $args = '' ) {
$args = wp_parse_args( $args, array() );
$type = $args['id'];
if ( 'radio' != $type ) {
$type = 'checkbox';
}
if ( 'checkbox' == $type ) {
$description = __( "Generate a form-tag for a group of checkboxes. For more details, see %s.", 'contact-form-7' );
} elseif ( 'radio' == $type ) {
$description = __( "Generate a form-tag for a group of radio buttons. For more details, see %s.", 'contact-form-7' );
}
$desc_link = wpcf7_link( __( 'https://contactform7.com/checkboxes-radio-buttons-and-menus/', 'contact-form-7' ), __( 'Checkboxes, Radio Buttons and Menus', 'contact-form-7' ) );
?>
<div class="control-box">
<fieldset>
<legend><?php echo sprintf( esc_html( $description ), $desc_link ); ?></legend>
<table class="form-table">
<tbody>
<?php if ( 'checkbox' == $type ) : ?>
<tr>
<th scope="row"><?php echo esc_html( __( 'Field type', 'contact-form-7' ) ); ?></th>
<td>
<fieldset>
<legend class="screen-reader-text"><?php echo esc_html( __( 'Field type', 'contact-form-7' ) ); ?></legend>
<label><input type="checkbox" name="required" /> <?php echo esc_html( __( 'Required field', 'contact-form-7' ) ); ?></label>
</fieldset>
</td>
</tr>
<?php endif; ?>
<tr>
<th scope="row"><label for="<?php echo esc_attr( $args['content'] . '-name' ); ?>"><?php echo esc_html( __( 'Name', 'contact-form-7' ) ); ?></label></th>
<td><input type="text" name="name" class="tg-name oneline" id="<?php echo esc_attr( $args['content'] . '-name' ); ?>" /></td>
</tr>
<tr>
<th scope="row"><?php echo esc_html( __( 'Options', 'contact-form-7' ) ); ?></th>
<td>
<fieldset>
<legend class="screen-reader-text"><?php echo esc_html( __( 'Options', 'contact-form-7' ) ); ?></legend>
<textarea name="values" class="values" id="<?php echo esc_attr( $args['content'] . '-values' ); ?>"></textarea>
<label for="<?php echo esc_attr( $args['content'] . '-values' ); ?>"><span class="description"><?php echo esc_html( __( "One option per line.", 'contact-form-7' ) ); ?></span></label><br />
<label><input type="checkbox" name="label_first" class="option" /> <?php echo esc_html( __( 'Put a label first, a checkbox last', 'contact-form-7' ) ); ?></label><br />
<label><input type="checkbox" name="use_label_element" class="option" /> <?php echo esc_html( __( 'Wrap each item with label element', 'contact-form-7' ) ); ?></label>
<?php if ( 'checkbox' == $type ) : ?>
<br /><label><input type="checkbox" name="exclusive" class="option" /> <?php echo esc_html( __( 'Make checkboxes exclusive', 'contact-form-7' ) ); ?></label>
<?php endif; ?>
</fieldset>
</td>
</tr>
<tr>
<th scope="row"><label for="<?php echo esc_attr( $args['content'] . '-id' ); ?>"><?php echo esc_html( __( 'Id attribute', 'contact-form-7' ) ); ?></label></th>
<td><input type="text" name="id" class="idvalue oneline option" id="<?php echo esc_attr( $args['content'] . '-id' ); ?>" /></td>
</tr>
<tr>
<th scope="row"><label for="<?php echo esc_attr( $args['content'] . '-class' ); ?>"><?php echo esc_html( __( 'Class attribute', 'contact-form-7' ) ); ?></label></th>
<td><input type="text" name="class" class="classvalue oneline option" id="<?php echo esc_attr( $args['content'] . '-class' ); ?>" /></td>
</tr>
</tbody>
</table>
</fieldset>
</div>
<div class="insert-box">
<input type="text" name="<?php echo $type; ?>" class="tag code" readonly="readonly" onfocus="this.select()" />
<div class="submitbox">
<input type="button" class="button button-primary insert-tag" value="<?php echo esc_attr( __( 'Insert Tag', 'contact-form-7' ) ); ?>" />
</div>
<br class="clear" />
<p class="description mail-tag"><label for="<?php echo esc_attr( $args['content'] . '-mailtag' ); ?>"><?php echo sprintf( esc_html( __( "To use the value input through this field in a mail field, you need to insert the corresponding mail-tag (%s) into the field on the Mail tab.", 'contact-form-7' ) ), '<strong><span class="mail-tag"></span></strong>' ); ?><input type="text" class="mail-tag code hidden" readonly="readonly" id="<?php echo esc_attr( $args['content'] . '-mailtag' ); ?>" /></label></p>
</div>
<?php
}