572 lines
11 KiB
PHP
572 lines
11 KiB
PHP
<?php
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if( ! class_exists('acf_field_checkbox') ) :
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class acf_field_checkbox extends acf_field {
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/*
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* __construct
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*
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* This function will setup the field type data
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*
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* @type function
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* @date 5/03/2014
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* @since 5.0.0
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*
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* @param n/a
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* @return n/a
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*/
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function initialize() {
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// vars
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$this->name = 'checkbox';
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$this->label = __("Checkbox",'acf');
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$this->category = 'choice';
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$this->defaults = array(
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'layout' => 'vertical',
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'choices' => array(),
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'default_value' => '',
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'allow_custom' => 0,
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'save_custom' => 0,
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'toggle' => 0,
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'return_format' => 'value'
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);
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}
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/*
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* render_field()
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*
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* Create the HTML interface for your field
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*
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* @param $field (array) the $field being rendered
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*
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* @type action
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* @since 3.6
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* @date 23/01/13
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*
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* @param $field (array) the $field being edited
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* @return n/a
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*/
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function render_field( $field ) {
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// reset vars
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$this->_values = array();
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$this->_all_checked = true;
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// ensure array
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$field['value'] = acf_get_array($field['value']);
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$field['choices'] = acf_get_array($field['choices']);
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// hiden input
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acf_hidden_input( array('name' => $field['name']) );
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// vars
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$li = '';
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$ul = array(
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'class' => 'acf-checkbox-list',
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);
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// append to class
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$ul['class'] .= ' ' . ($field['layout'] == 'horizontal' ? 'acf-hl' : 'acf-bl');
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$ul['class'] .= ' ' . $field['class'];
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// checkbox saves an array
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$field['name'] .= '[]';
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// choices
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if( !empty($field['choices']) ) {
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// choices
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$li .= $this->render_field_choices( $field );
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// toggle
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if( $field['toggle'] ) {
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$li = $this->render_field_toggle( $field ) . $li;
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}
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}
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// custom
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if( $field['allow_custom'] ) {
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$li .= $this->render_field_custom( $field );
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}
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// return
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echo '<ul ' . acf_esc_attr( $ul ) . '>' . "\n" . $li . '</ul>' . "\n";
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}
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/*
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* render_field_choices
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*
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* description
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*
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* @type function
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* @date 15/7/17
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* @since 5.6.0
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function render_field_choices( $field ) {
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// walk
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return $this->walk( $field['choices'], $field );
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}
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/*
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* render_field_toggle
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*
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* description
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*
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* @type function
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* @date 15/7/17
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* @since 5.6.0
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function render_field_toggle( $field ) {
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// vars
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$atts = array(
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'type' => 'checkbox',
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'class' => 'acf-checkbox-toggle',
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'label' => __("Toggle All", 'acf')
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);
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// custom label
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if( is_string($field['toggle']) ) {
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$atts['label'] = $field['toggle'];
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}
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// checked
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if( $this->_all_checked ) {
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$atts['checked'] = 'checked';
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}
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// return
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return '<li>' . acf_get_checkbox_input($atts) . '</li>' . "\n";
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}
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/*
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* render_field_custom
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*
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* description
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*
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* @type function
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* @date 15/7/17
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* @since 5.6.0
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function render_field_custom( $field ) {
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// vars
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$html = '';
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// loop
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foreach( $field['value'] as $value ) {
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// ignore if already eixsts
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if( isset($field['choices'][ $value ]) ) continue;
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// vars
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$esc_value = esc_attr($value);
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$text_input = array(
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'name' => $field['name'],
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'value' => $value,
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);
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// bail ealry if choice already exists
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if( in_array( $esc_value, $this->_values ) ) continue;
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// append
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$html .= '<li><input class="acf-checkbox-custom" type="checkbox" checked="checked" />' . acf_get_text_input($text_input) . '</li>' . "\n";
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}
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// append button
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$html .= '<li><a href="#" class="button acf-add-checkbox">' . esc_attr__('Add new choice', 'acf') . '</a></li>' . "\n";
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// return
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return $html;
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}
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function walk( $choices = array(), $args = array(), $depth = 0 ) {
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// bail ealry if no choices
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if( empty($choices) ) return '';
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// defaults
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$args = wp_parse_args($args, array(
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'id' => '',
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'type' => 'checkbox',
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'name' => '',
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'value' => array(),
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'disabled' => array(),
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));
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// vars
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$html = '';
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// sanitize values for 'selected' matching
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if( $depth == 0 ) {
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$args['value'] = array_map('esc_attr', $args['value']);
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$args['disabled'] = array_map('esc_attr', $args['disabled']);
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}
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// loop
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foreach( $choices as $value => $label ) {
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// open
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$html .= '<li>';
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// optgroup
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if( is_array($label) ){
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$html .= '<ul>' . "\n";
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$html .= $this->walk( $label, $args, $depth+1 );
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$html .= '</ul>';
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// option
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} else {
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// vars
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$esc_value = esc_attr($value);
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$atts = array(
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'id' => $args['id'] . '-' . str_replace(' ', '-', $value),
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'type' => $args['type'],
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'name' => $args['name'],
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'value' => $value,
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'label' => $label,
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);
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// selected
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if( in_array( $esc_value, $args['value'] ) ) {
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$atts['checked'] = 'checked';
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} else {
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$this->_all_checked = false;
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}
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// disabled
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if( in_array( $esc_value, $args['disabled'] ) ) {
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$atts['disabled'] = 'disabled';
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}
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// store value added
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$this->_values[] = $esc_value;
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// append
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$html .= acf_get_checkbox_input($atts);
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}
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// close
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$html .= '</li>' . "\n";
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}
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// return
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return $html;
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}
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/*
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* render_field_settings()
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*
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* Create extra options for your field. This is rendered when editing a field.
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* The value of $field['name'] can be used (like bellow) to save extra data to the $field
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*
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* @type action
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* @since 3.6
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* @date 23/01/13
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*
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* @param $field - an array holding all the field's data
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*/
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function render_field_settings( $field ) {
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// encode choices (convert from array)
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$field['choices'] = acf_encode_choices($field['choices']);
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$field['default_value'] = acf_encode_choices($field['default_value'], false);
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// choices
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acf_render_field_setting( $field, array(
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'label' => __('Choices','acf'),
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'instructions' => __('Enter each choice on a new line.','acf') . '<br /><br />' . __('For more control, you may specify both a value and label like this:','acf'). '<br /><br />' . __('red : Red','acf'),
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'type' => 'textarea',
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'name' => 'choices',
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));
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// other_choice
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acf_render_field_setting( $field, array(
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'label' => __('Allow Custom','acf'),
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'instructions' => '',
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'name' => 'allow_custom',
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'type' => 'true_false',
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'ui' => 1,
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'message' => __("Allow 'custom' values to be added", 'acf'),
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));
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// save_other_choice
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acf_render_field_setting( $field, array(
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'label' => __('Save Custom','acf'),
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'instructions' => '',
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'name' => 'save_custom',
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'type' => 'true_false',
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'ui' => 1,
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'message' => __("Save 'custom' values to the field's choices", 'acf'),
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'conditions' => array(
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'field' => 'allow_custom',
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'operator' => '==',
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'value' => 1
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)
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));
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// default_value
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acf_render_field_setting( $field, array(
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'label' => __('Default Value','acf'),
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'instructions' => __('Enter each default value on a new line','acf'),
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'type' => 'textarea',
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'name' => 'default_value',
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));
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// layout
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acf_render_field_setting( $field, array(
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'label' => __('Layout','acf'),
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'instructions' => '',
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'type' => 'radio',
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'name' => 'layout',
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'layout' => 'horizontal',
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'choices' => array(
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'vertical' => __("Vertical",'acf'),
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'horizontal' => __("Horizontal",'acf')
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)
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));
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// layout
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acf_render_field_setting( $field, array(
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'label' => __('Toggle','acf'),
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'instructions' => __('Prepend an extra checkbox to toggle all choices','acf'),
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'name' => 'toggle',
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'type' => 'true_false',
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'ui' => 1,
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));
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// return_format
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acf_render_field_setting( $field, array(
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'label' => __('Return Value','acf'),
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'instructions' => __('Specify the returned value on front end','acf'),
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'type' => 'radio',
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'name' => 'return_format',
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'layout' => 'horizontal',
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'choices' => array(
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'value' => __('Value','acf'),
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'label' => __('Label','acf'),
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'array' => __('Both (Array)','acf')
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)
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));
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}
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/*
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* update_field()
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*
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* This filter is appied to the $field before it is saved to the database
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*
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* @type filter
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* @since 3.6
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* @date 23/01/13
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*
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* @param $field - the field array holding all the field options
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* @param $post_id - the field group ID (post_type = acf)
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*
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* @return $field - the modified field
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*/
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function update_field( $field ) {
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return acf_get_field_type('select')->update_field( $field );
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}
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/*
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* update_value()
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*
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* This filter is appied to the $value before it is updated in the db
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*
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* @type filter
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* @since 3.6
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* @date 23/01/13
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*
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* @param $value - the value which will be saved in the database
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* @param $post_id - the $post_id of which the value will be saved
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* @param $field - the field array holding all the field options
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*
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* @return $value - the modified value
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*/
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function update_value( $value, $post_id, $field ) {
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// bail early if is empty
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if( empty($value) ) return $value;
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// select -> update_value()
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$value = acf_get_field_type('select')->update_value( $value, $post_id, $field );
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// save_other_choice
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if( $field['save_custom'] ) {
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// get raw $field (may have been changed via repeater field)
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// if field is local, it won't have an ID
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$selector = $field['ID'] ? $field['ID'] : $field['key'];
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$field = acf_get_field( $selector, true );
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// bail early if no ID (JSON only)
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if( !$field['ID'] ) return $value;
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// loop
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foreach( $value as $v ) {
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// ignore if already eixsts
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if( isset($field['choices'][ $v ]) ) continue;
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// unslash (fixes serialize single quote issue)
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$v = wp_unslash($v);
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// sanitize (remove tags)
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$v = sanitize_text_field($v);
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// append
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$field['choices'][ $v ] = $v;
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}
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// save
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acf_update_field( $field );
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}
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// return
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return $value;
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}
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/*
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* translate_field
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*
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* This function will translate field settings
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*
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* @type function
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* @date 8/03/2016
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* @since 5.3.2
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*
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* @param $field (array)
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* @return $field
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*/
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function translate_field( $field ) {
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return acf_get_field_type('select')->translate_field( $field );
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}
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/*
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* format_value()
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*
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* This filter is appied to the $value after it is loaded from the db and before it is returned to the template
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*
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* @type filter
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* @since 3.6
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* @date 23/01/13
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*
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* @param $value (mixed) the value which was loaded from the database
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* @param $post_id (mixed) the $post_id from which the value was loaded
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* @param $field (array) the field array holding all the field options
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*
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* @return $value (mixed) the modified value
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*/
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function format_value( $value, $post_id, $field ) {
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return acf_get_field_type('select')->format_value( $value, $post_id, $field );
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}
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}
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// initialize
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acf_register_field_type( 'acf_field_checkbox' );
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endif; // class_exists check
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?>
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