<?php

add_action('wpcf7_init', 'wpcf7_add_form_tag_number', 10, 0);
function wpcf7_add_form_tag_number()
{
    wpcf7_add_form_tag(array('number', 'number*', 'range', 'range*'), 'wpcf7_number_form_tag_handler', array('name-attr' => true));
}
function wpcf7_number_form_tag_handler($tag)
{
    if (empty($tag->name)) {
        return '';
    }
    $validation_error = wpcf7_get_validation_error($tag->name);
    $class = wpcf7_form_controls_class($tag->type);
    $class .= ' wpcf7-validates-as-number';
    if ($validation_error) {
        $class .= ' wpcf7-not-valid';
    }
    $atts = array();
    $atts['class'] = $tag->get_class_option($class);
    $atts['id'] = $tag->get_id_option();
    $atts['tabindex'] = $tag->get_option('tabindex', 'signed_int', true);
    $atts['min'] = $tag->get_option('min', 'signed_int', true);
    $atts['max'] = $tag->get_option('max', 'signed_int', true);
    $atts['step'] = $tag->get_option('step', 'int', true);
    if ($tag->has_option('readonly')) {
        $atts['readonly'] = 'readonly';
    }
    if ($tag->is_required()) {
        $atts['aria-required'] = 'true';
    }
    if ($validation_error) {
        $atts['aria-invalid'] = 'true';
        $atts['aria-describedby'] = wpcf7_get_validation_error_reference($tag->name);
    } else {
        $atts['aria-invalid'] = 'false';
    }
    $value = (string) reset($tag->values);
    if ($tag->has_option('placeholder') or $tag->has_option('watermark')) {
        $atts['placeholder'] = $value;
        $value = '';
    }
    $value = $tag->get_default_option($value);
    $value = wpcf7_get_hangover($tag->name, $value);
    $atts['value'] = $value;
    if (wpcf7_support_html5()) {
        $atts['type'] = $tag->basetype;
    } else {
        $atts['type'] = 'text';
    }
    $atts['name'] = $tag->name;
    $atts = wpcf7_format_atts($atts);
    $html = sprintf('<span class="wpcf7-form-control-wrap %1$s"><input %2$s />%3$s</span>', sanitize_html_class($tag->name), $atts, $validation_error);
    return $html;
}
add_filter('wpcf7_validate_number', 'wpcf7_number_validation_filter', 10, 2);
add_filter('wpcf7_validate_number*', 'wpcf7_number_validation_filter', 10, 2);
add_filter('wpcf7_validate_range', 'wpcf7_number_validation_filter', 10, 2);
add_filter('wpcf7_validate_range*', 'wpcf7_number_validation_filter', 10, 2);
function wpcf7_number_validation_filter($result, $tag)
{
    $name = $tag->name;
    $value = isset($_POST[$name]) ? trim(strtr((string) $_POST[$name], "\n", " ")) : '';
    $min = $tag->get_option('min', 'signed_int', true);
    $max = $tag->get_option('max', 'signed_int', true);
    if ($tag->is_required() and '' === $value) {
        $result->invalidate($tag, wpcf7_get_message('invalid_required'));
    } elseif ('' !== $value and !wpcf7_is_number($value)) {
        $result->invalidate($tag, wpcf7_get_message('invalid_number'));
    } elseif ('' !== $value and false !== $min and (float) $value < (float) $min) {
        $result->invalidate($tag, wpcf7_get_message('number_too_small'));
    } elseif ('' !== $value and false !== $max and (float) $max < (float) $value) {
        $result->invalidate($tag, wpcf7_get_message('number_too_large'));
    }
    return $result;
}
add_filter('wpcf7_messages', 'wpcf7_number_messages', 10, 1);
function wpcf7_number_messages($messages)
{
    return array_merge($messages, array('invalid_number' => array('description' => __("Number format that the sender entered is invalid", 'contact-form-7'), 'default' => __("The number format is invalid.", 'contact-form-7')), 'number_too_small' => array('description' => __("Number is smaller than minimum limit", 'contact-form-7'), 'default' => __("The number is smaller than the minimum allowed.", 'contact-form-7')), 'number_too_large' => array('description' => __("Number is larger than maximum limit", 'contact-form-7'), 'default' => __("The number is larger than the maximum allowed.", 'contact-form-7'))));
}
add_action('wpcf7_admin_init', 'wpcf7_add_tag_generator_number', 18, 0);
function wpcf7_add_tag_generator_number()
{
    $tag_generator = WPCF7_TagGenerator::get_instance();
    $tag_generator->add('number', __('number', 'contact-form-7'), 'wpcf7_tag_generator_number');
}
function wpcf7_tag_generator_number($contact_form, $args = '')
{
    $args = wp_parse_args($args, array());
    $type = 'number';
    $description = __("Generate a form-tag for a field for numeric value input. For more details, see %s.", 'contact-form-7');
    $desc_link = wpcf7_link(__('https://contactform7.com/number-fields/', 'contact-form-7'), __('Number fields', 'contact-form-7'));
    ?>
<div class="control-box">
<fieldset>
<legend><?php 
    echo sprintf(esc_html($description), $desc_link);
    ?></legend>

<table class="form-table">
<tbody>
	<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>
		<select name="tagtype">
			<option value="number" selected="selected"><?php 
    echo esc_html(__('Spinbox', 'contact-form-7'));
    ?></option>
			<option value="range"><?php 
    echo esc_html(__('Slider', 'contact-form-7'));
    ?></option>
		</select>
		<br />
		<label><input type="checkbox" name="required" /> <?php 
    echo esc_html(__('Required field', 'contact-form-7'));
    ?></label>
		</fieldset>
	</td>
	</tr>

	<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"><label for="<?php 
    echo esc_attr($args['content'] . '-values');
    ?>"><?php 
    echo esc_html(__('Default value', 'contact-form-7'));
    ?></label></th>
	<td><input type="text" name="values" class="oneline" id="<?php 
    echo esc_attr($args['content'] . '-values');
    ?>" /><br />
	<label><input type="checkbox" name="placeholder" class="option" /> <?php 
    echo esc_html(__('Use this text as the placeholder of the field', 'contact-form-7'));
    ?></label></td>
	</tr>

	<tr>
	<th scope="row"><?php 
    echo esc_html(__('Range', 'contact-form-7'));
    ?></th>
	<td>
		<fieldset>
		<legend class="screen-reader-text"><?php 
    echo esc_html(__('Range', 'contact-form-7'));
    ?></legend>
		<label>
		<?php 
    echo esc_html(__('Min', 'contact-form-7'));
    ?>
		<input type="number" name="min" class="numeric option" />
		</label>
		&ndash;
		<label>
		<?php 
    echo esc_html(__('Max', 'contact-form-7'));
    ?>
		<input type="number" name="max" class="numeric option" />
		</label>
		</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 
}