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