227 lines
6.8 KiB
PHP
227 lines
6.8 KiB
PHP
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<?php
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/**
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** A base module for [checkbox], [checkbox*], and [radio]
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**/
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/* Shortcode handler */
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wpcf7_add_shortcode( 'checkbox', 'wpcf7_checkbox_shortcode_handler', true );
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wpcf7_add_shortcode( 'checkbox*', 'wpcf7_checkbox_shortcode_handler', true );
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wpcf7_add_shortcode( 'radio', 'wpcf7_checkbox_shortcode_handler', true );
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function wpcf7_checkbox_shortcode_handler( $tag ) {
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if ( ! is_array( $tag ) )
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return '';
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$type = $tag['type'];
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$name = $tag['name'];
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$options = (array) $tag['options'];
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$values = (array) $tag['values'];
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$labels = (array) $tag['labels'];
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if ( empty( $name ) )
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return '';
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$validation_error = wpcf7_get_validation_error( $name );
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$atts = $id_att = $tabindex_att = '';
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$defaults = array();
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$label_first = false;
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$use_label_element = false;
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$class_att = wpcf7_form_controls_class( $type );
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if ( $validation_error )
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$class_att .= ' wpcf7-not-valid';
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foreach ( $options as $option ) {
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if ( preg_match( '%^id:([-0-9a-zA-Z_]+)$%', $option, $matches ) ) {
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$id_att = $matches[1];
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} elseif ( preg_match( '%^class:([-0-9a-zA-Z_]+)$%', $option, $matches ) ) {
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$class_att .= ' ' . $matches[1];
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} elseif ( preg_match( '/^default:([0-9_]+)$/', $option, $matches ) ) {
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$defaults = explode( '_', $matches[1] );
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} elseif ( preg_match( '%^label[_-]?first$%', $option ) ) {
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$label_first = true;
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} elseif ( preg_match( '%^use[_-]?label[_-]?element$%', $option ) ) {
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$use_label_element = true;
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} elseif ( preg_match( '%^tabindex:(\d+)$%', $option, $matches ) ) {
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$tabindex_att = (int) $matches[1];
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}
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}
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$multiple = false;
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$exclusive = (bool) preg_grep( '%^exclusive$%', $options );
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if ( 'checkbox' == $type || 'checkbox*' == $type ) {
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$multiple = ! $exclusive;
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} else { // radio
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$exclusive = false;
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}
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if ( $exclusive )
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$class_att .= ' wpcf7-exclusive-checkbox';
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if ( $id_att )
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$atts .= ' id="' . trim( $id_att ) . '"';
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if ( $class_att )
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$atts .= ' class="' . trim( $class_att ) . '"';
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$html = '';
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$input_type = rtrim( $type, '*' );
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$posted = wpcf7_is_posted();
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foreach ( $values as $key => $value ) {
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$checked = false;
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if ( $posted && ! empty( $_POST[$name] ) ) {
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if ( $multiple && in_array( esc_sql( $value ), (array) $_POST[$name] ) )
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$checked = true;
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if ( ! $multiple && $_POST[$name] == esc_sql( $value ) )
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$checked = true;
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} else {
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if ( in_array( $key + 1, (array) $defaults ) )
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$checked = true;
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}
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$checked = $checked ? ' checked="checked"' : '';
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if ( '' !== $tabindex_att ) {
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$tabindex = sprintf( ' tabindex="%d"', $tabindex_att );
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$tabindex_att += 1;
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} else {
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$tabindex = '';
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}
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if ( isset( $labels[$key] ) )
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$label = $labels[$key];
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else
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$label = $value;
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if ( $label_first ) { // put label first, input last
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$item = '<span class="wpcf7-list-item-label">' . esc_html( $label ) . '</span> ';
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$item .= '<input type="' . $input_type . '" name="' . $name . ( $multiple ? '[]' : '' ) . '" value="' . esc_attr( $value ) . '"' . $checked . $tabindex . ' />';
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} else {
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$item = '<input type="' . $input_type . '" name="' . $name . ( $multiple ? '[]' : '' ) . '" value="' . esc_attr( $value ) . '"' . $checked . $tabindex . ' />';
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$item .= ' <span class="wpcf7-list-item-label">' . esc_html( $label ) . '</span>';
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}
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if ( $use_label_element )
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$item = '<label>' . $item . '</label>';
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$item = '<span class="wpcf7-list-item">' . $item . '</span>';
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$html .= $item;
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}
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$html = '<span' . $atts . '>' . $html . '</span>';
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$html = '<span class="wpcf7-form-control-wrap ' . $name . '">' . $html . $validation_error . '</span>';
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return $html;
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}
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/* Validation filter */
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add_filter( 'wpcf7_validate_checkbox', 'wpcf7_checkbox_validation_filter', 10, 2 );
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add_filter( 'wpcf7_validate_checkbox*', 'wpcf7_checkbox_validation_filter', 10, 2 );
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add_filter( 'wpcf7_validate_radio', 'wpcf7_checkbox_validation_filter', 10, 2 );
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function wpcf7_checkbox_validation_filter( $result, $tag ) {
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$type = $tag['type'];
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$name = $tag['name'];
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if ( 'checkbox*' == $type ) {
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if ( empty( $_POST[$name] ) ) {
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$result['valid'] = false;
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$result['reason'][$name] = wpcf7_get_message( 'invalid_required' );
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}
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}
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return $result;
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}
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/* Tag generator */
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add_action( 'admin_init', 'wpcf7_add_tag_generator_checkbox_and_radio', 30 );
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function wpcf7_add_tag_generator_checkbox_and_radio() {
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if ( ! function_exists( 'wpcf7_add_tag_generator' ) )
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return;
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wpcf7_add_tag_generator( 'checkbox', __( 'Checkboxes', 'wpcf7' ),
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'wpcf7-tg-pane-checkbox', 'wpcf7_tg_pane_checkbox' );
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wpcf7_add_tag_generator( 'radio', __( 'Radio buttons', 'wpcf7' ),
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'wpcf7-tg-pane-radio', 'wpcf7_tg_pane_radio' );
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}
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function wpcf7_tg_pane_checkbox( &$contact_form ) {
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wpcf7_tg_pane_checkbox_and_radio( 'checkbox' );
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}
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function wpcf7_tg_pane_radio( &$contact_form ) {
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wpcf7_tg_pane_checkbox_and_radio( 'radio' );
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}
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function wpcf7_tg_pane_checkbox_and_radio( $type = 'checkbox' ) {
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if ( 'radio' != $type )
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$type = 'checkbox';
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?>
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<div id="wpcf7-tg-pane-<?php echo $type; ?>" class="hidden">
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<form action="">
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<table>
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<?php if ( 'checkbox' == $type ) : ?>
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<tr><td><input type="checkbox" name="required" /> <?php echo esc_html( __( 'Required field?', 'wpcf7' ) ); ?></td></tr>
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<?php endif; ?>
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<tr><td><?php echo esc_html( __( 'Name', 'wpcf7' ) ); ?><br /><input type="text" name="name" class="tg-name oneline" /></td><td></td></tr>
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</table>
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<table>
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<tr>
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<td><code>id</code> (<?php echo esc_html( __( 'optional', 'wpcf7' ) ); ?>)<br />
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<input type="text" name="id" class="idvalue oneline option" /></td>
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<td><code>class</code> (<?php echo esc_html( __( 'optional', 'wpcf7' ) ); ?>)<br />
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<input type="text" name="class" class="classvalue oneline option" /></td>
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</tr>
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<tr>
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<td><?php echo esc_html( __( 'Choices', 'wpcf7' ) ); ?><br />
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<textarea name="values"></textarea><br />
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<span style="font-size: smaller"><?php echo esc_html( __( "* One choice per line.", 'wpcf7' ) ); ?></span>
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</td>
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<td>
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<br /><input type="checkbox" name="label_first" class="option" /> <?php echo esc_html( __( 'Put a label first, a checkbox last?', 'wpcf7' ) ); ?>
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<br /><input type="checkbox" name="use_label_element" class="option" /> <?php echo esc_html( __( 'Wrap each item with <label> tag?', 'wpcf7' ) ); ?>
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<?php if ( 'checkbox' == $type ) : ?>
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<br /><input type="checkbox" name="exclusive" class="option" /> <?php echo esc_html( __( 'Make checkboxes exclusive?', 'wpcf7' ) ); ?>
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<?php endif; ?>
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</td>
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</tr>
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</table>
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<div class="tg-tag"><?php echo esc_html( __( "Copy this code and paste it into the form left.", 'wpcf7' ) ); ?><br /><input type="text" name="<?php echo $type; ?>" class="tag" readonly="readonly" onfocus="this.select()" /></div>
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<div class="tg-mail-tag"><?php echo esc_html( __( "And, put this code into the Mail fields below.", 'wpcf7' ) ); ?><br /><span class="arrow">⬇</span> <input type="text" class="mail-tag" readonly="readonly" onfocus="this.select()" /></div>
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</form>
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</div>
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<?php
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}
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?>
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