<?php
/**
** A base module for [file] and [file*]
**/
/* form_tag handler */
add_action( 'wpcf7_init', 'wpcf7_add_form_tag_file', 10, 0 );
function wpcf7_add_form_tag_file() {
wpcf7_add_form_tag( array( 'file', 'file*' ),
'wpcf7_file_form_tag_handler',
array(
'name-attr' => true,
'file-uploading' => true,
)
);
}
function wpcf7_file_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';
}
$atts = array();
$atts['size'] = $tag->get_size_option( '40' );
$atts['class'] = $tag->get_class_option( $class );
$atts['id'] = $tag->get_id_option();
$atts['tabindex'] = $tag->get_option( 'tabindex', 'signed_int', true );
$atts['accept'] = wpcf7_acceptable_filetypes(
$tag->get_option( 'filetypes' ), 'attr' );
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';
}
$atts['type'] = 'file';
$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;
}
/* Validation + upload handling filter */
add_filter( 'wpcf7_validate_file', 'wpcf7_file_validation_filter', 10, 3 );
add_filter( 'wpcf7_validate_file*', 'wpcf7_file_validation_filter', 10, 3 );
function wpcf7_file_validation_filter( $result, $tag, $args ) {
$args = wp_parse_args( $args, array() );
if ( isset( $args['uploaded_files'] ) ) {
$maybe_error = $args['uploaded_files'];
if ( is_wp_error( $maybe_error ) ) {
$result->invalidate( $tag, $maybe_error->get_error_message() );
}
}
return $result;
}
add_filter( 'wpcf7_mail_tag_replaced_file', 'wpcf7_file_mail_tag', 10, 4 );
add_filter( 'wpcf7_mail_tag_replaced_file*', 'wpcf7_file_mail_tag', 10, 4 );
function wpcf7_file_mail_tag( $replaced, $submitted, $html, $mail_tag ) {
$submission = WPCF7_Submission::get_instance();
$uploaded_files = $submission->uploaded_files();
$name = $mail_tag->field_name();
if ( ! empty( $uploaded_files[$name] ) ) {
$paths = (array) $uploaded_files[$name];
$paths = array_map( 'wp_basename', $paths );
$replaced = wpcf7_flat_join( $paths );
}
return $replaced;
}
/* Tag generator */
add_action( 'wpcf7_admin_init', 'wpcf7_add_tag_generator_file', 50, 0 );
function wpcf7_add_tag_generator_file() {
$tag_generator = WPCF7_TagGenerator::get_instance();
$tag_generator->add( 'file', __( 'file', 'contact-form-7' ),
'wpcf7_tag_generator_file' );
}
function wpcf7_tag_generator_file( $contact_form, $args = '' ) {
$args = wp_parse_args( $args, array() );
$type = 'file';
$description = __( "Generate a form-tag for a file uploading field. For more details, see %s.", 'contact-form-7' );
$desc_link = wpcf7_link( __( 'https://contactform7.com/file-uploading-and-attachment/', 'contact-form-7' ), __( 'File uploading and attachment', '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>
<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'] . '-limit' ); ?>"><?php echo esc_html( __( "File size limit (bytes)", 'contact-form-7' ) ); ?></label></th>
<td><input type="text" name="limit" class="filesize oneline option" id="<?php echo esc_attr( $args['content'] . '-limit' ); ?>" /></td>
</tr>
<tr>
<th scope="row"><label for="<?php echo esc_attr( $args['content'] . '-filetypes' ); ?>"><?php echo esc_html( __( 'Acceptable file types', 'contact-form-7' ) ); ?></label></th>
<td><input type="text" name="filetypes" class="filetype oneline option" id="<?php echo esc_attr( $args['content'] . '-filetypes' ); ?>" /></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 attach the file uploaded through this field to mail, you need to insert the corresponding mail-tag (%s) into the File Attachments 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
}