<?php
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 {
$exclusive = false;
}
if ($exclusive) {
$class .= ' wpcf7-exclusive-checkbox';
}
$atts = array();
$atts['class'] = $tag->get_class_option($class);
$atts['id'] = $tag->get_id_option();
if ($validation_error) {
$atts['aria-describedby'] = wpcf7_get_validation_error_reference($tag->name);
}
$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) {
$item = sprintf('<span class="wpcf7-list-item-label">%1$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) {
$class .= ' last';
if ($free_text) {
$free_text_name = $tag->name . '_free_text';
$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 $html;
}
add_filter('wpcf7_validate_checkbox', 'wpcf7_checkbox_validation_filter', 10, 2);
add_filter('wpcf7_validate_checkbox*', 'wpcf7_checkbox_validation_filter', 10, 2);
add_filter('wpcf7_validate_radio', 'wpcf7_checkbox_validation_filter', 10, 2);
function wpcf7_checkbox_validation_filter($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;
}
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' == $type) {
?>
<tr>
<th scope="row"><?php
echo esc_html(__('Field type', 'contact-form-7'));
?></th>
<td>
<fieldset>
<legend class="screen-reader-text"><?php
echo esc_html(__('Field type', 'contact-form-7'));
?></legend>
<label><input type="checkbox" name="required" /> <?php
echo esc_html(__('Required field', 'contact-form-7'));
?></label>
</fieldset>
</td>
</tr>
<?php
}
?>
<tr>
<th scope="row"><label for="<?php
echo esc_attr($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" checked="checked" /> <?php
echo esc_html(__('Wrap each item with label element', 'contact-form-7'));
?></label>
<?php
if ('checkbox' == $type) {
?>
<br /><label><input type="checkbox" name="exclusive" class="option" /> <?php
echo esc_html(__('Make checkboxes exclusive', 'contact-form-7'));
?></label>
<?php
}
?>
</fieldset>
</td>
</tr>
<tr>
<th scope="row"><label for="<?php
echo esc_attr($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
}