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- <?php
- /**
- ** A base module for [count], Twitter-like character count
- **/
- /* form_tag handler */
- add_action( 'wpcf7_init', 'wpcf7_add_form_tag_count', 10, 0 );
- function wpcf7_add_form_tag_count() {
- wpcf7_add_form_tag( 'count',
- 'wpcf7_count_form_tag_handler',
- array(
- 'name-attr' => true,
- 'zero-controls-container' => true,
- 'not-for-mail' => true,
- )
- );
- }
- function wpcf7_count_form_tag_handler( $tag ) {
- if ( empty( $tag->name ) ) {
- return '';
- }
- $targets = wpcf7_scan_form_tags( array( 'name' => $tag->name ) );
- $maxlength = $minlength = null;
- while ( $targets ) {
- $target = array_shift( $targets );
- if ( 'count' != $target->type ) {
- $maxlength = $target->get_maxlength_option();
- $minlength = $target->get_minlength_option();
- break;
- }
- }
- if ( $maxlength and $minlength
- and $maxlength < $minlength ) {
- $maxlength = $minlength = null;
- }
- if ( $tag->has_option( 'down' ) ) {
- $value = (int) $maxlength;
- $class = 'wpcf7-character-count down';
- } else {
- $value = '0';
- $class = 'wpcf7-character-count up';
- }
- $atts = array();
- $atts['id'] = $tag->get_id_option();
- $atts['class'] = $tag->get_class_option( $class );
- $atts['data-target-name'] = $tag->name;
- $atts['data-starting-value'] = $value;
- $atts['data-current-value'] = $value;
- $atts['data-maximum-value'] = $maxlength;
- $atts['data-minimum-value'] = $minlength;
- $atts = wpcf7_format_atts( $atts );
- $html = sprintf( '<span %1$s>%2$s</span>', $atts, $value );
- return $html;
- }
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