<?php
/**
** A base module for [checkbox], [checkbox*], and [radio]
**/
/* Shortcode handler */
add_action( 'init', 'wpcf7_add_shortcode_checkbox', 5 );
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' );
$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_option( 'id', 'id', true );
$atts['tabindex'] = $tag->get_option( 'tabindex', 'int', true );
$defaults = array();
if ( $matches = $tag->get_first_match_option( '/^default:([0-9_]+)$/' ) )
$defaults = explode( '_', $matches[1] );
if ( isset( $_POST[$tag->name] ) )
$post = $_POST[$tag->name];
else
$post = $multiple ? array() : '';
$is_posted = wpcf7_is_posted();
$html = '';
foreach ( (array) $tag->values as $key => $value ) {
$checked = false;
if ( $is_posted && ! empty( $post ) ) {
if ( $multiple && in_array( esc_sql( $value ), (array) $post ) )
$checked = true;
if ( ! $multiple && $post == esc_sql( $value ) )
$checked = true;
} else {
if ( in_array( $key + 1, (array) $defaults ) )
$checked = true;
}
$tabindex = '';
if ( '' !== $atts['tabindex'] ) {
$tabindex = $atts['tabindex'];
$atts['tabindex'] += 1;
}
if ( isset( $tag->labels[$key] ) )
$label = $tag->labels[$key];
else
$label = $value;
$item_atts = array(
'type' => $tag->basetype,
'name' => $tag->name . ( $multiple ? '[]' : '' ),
'value' => $value,
'id' => $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$s /><label for="%1$s"></label>',
esc_html( $label ), $item_atts );
} else {
$item = sprintf(
'<input %2$s /><label for="%1$s"></label> <span class="wpcf7-list-item-label">%1$s</span>',
esc_html( $label ), $item_atts );
}
if ( $use_label_element )
$item = '' . $item . '';
$item = '<span class="wpcf7-list-item">' . $item . '</span>';
$html .= $item;
}
unset( $atts['tabindex'] );
$atts = wpcf7_format_atts( $atts );
$html = sprintf(
'<span %2$s>%3$s</span>%4$s',
$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' );
}
}
return $result;
}
/* Tag generator */
add_action( 'admin_init', 'wpcf7_add_tag_generator_checkbox_and_radio', 30 );
function wpcf7_add_tag_generator_checkbox_and_radio() {
if ( ! function_exists( 'wpcf7_add_tag_generator' ) )
return;
wpcf7_add_tag_generator( 'checkbox', __( 'Checkboxes', 'wpcf7' ),
'wpcf7-tg-pane-checkbox', 'wpcf7_tg_pane_checkbox' );
wpcf7_add_tag_generator( 'radio', __( 'Radio buttons', 'wpcf7' ),
'wpcf7-tg-pane-radio', 'wpcf7_tg_pane_radio' );
}
function wpcf7_tg_pane_checkbox( &$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?', 'wpcf7' ) ); ?></td></tr>
<?php endif; ?>
<tr><td><?php echo esc_html( __( 'Name', 'wpcf7' ) ); ?><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', 'wpcf7' ) ); ?>)<br />
<input type="text" name="id" class="idvalue oneline option" /></td>
<td><code>class</code> (<?php echo esc_html( __( 'optional', 'wpcf7' ) ); ?>)<br />
<input type="text" name="class" class="classvalue oneline option" /></td>
</tr>
<tr>
<td><?php echo esc_html( __( 'Choices', 'wpcf7' ) ); ?><br />
<textarea name="values"></textarea><br />
<span style="font-size: smaller"><?php echo esc_html( __( "* One choice per line.", 'wpcf7' ) ); ?></span>
</td>
<td>
<br /><input type="checkbox" name="label_first" class="option" /> <?php echo esc_html( __( 'Put a label first, a checkbox last?', 'wpcf7' ) ); ?>
<br /><input type="checkbox" name="use_label_element" class="option" /> <?php echo esc_html( __( 'Wrap each item with <label> tag?', 'wpcf7' ) ); ?>
<?php if ( 'checkbox' == $type ) : ?>
<br /><input type="checkbox" name="exclusive" class="option" /> <?php echo esc_html( __( 'Make checkboxes exclusive?', 'wpcf7' ) ); ?>
<?php endif; ?>
</td>
</tr>
</table>
<div class="tg-tag"><?php echo esc_html( __( "Copy this code and paste it into the form left.", 'wpcf7' ) ); ?><br /><input type="text" name="<?php echo $type; ?>" class="tag" readonly="readonly" onfocus="this.select()" /></div>
<div class="tg-mail-tag"><?php echo esc_html( __( "And, put this code into the Mail fields below.", 'wpcf7' ) ); ?><br /><span class="arrow">⬇</span> <input type="text" class="mail-tag" readonly="readonly" onfocus="this.select()" /></div>
</form>
</div>
<?php
}
?>