518 lines
12 KiB
PHP
518 lines
12 KiB
PHP
<?php
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/*
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* ACF WYSIWYG Field Class
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*
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* All the logic for this field type
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*
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* @class acf_field_wysiwyg
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* @extends acf_field
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* @package ACF
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* @subpackage Fields
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*/
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if( ! class_exists('acf_field_wysiwyg') ) :
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class acf_field_wysiwyg 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 __construct() {
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// vars
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$this->name = 'wysiwyg';
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$this->label = __("Wysiwyg Editor",'acf');
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$this->category = 'content';
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$this->defaults = array(
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'tabs' => 'all',
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'toolbar' => 'full',
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'media_upload' => 1,
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'default_value' => '',
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);
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// add acf_the_content filters
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$this->add_filters();
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// actions
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add_action('acf/input/admin_footer', array($this, 'input_admin_footer'));
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// do not delete!
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parent::__construct();
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}
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/*
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* add_filters
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*
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* This function will add filters to 'acf_the_content'
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*
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* @type function
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* @date 20/09/2016
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* @since 5.4.0
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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 add_filters() {
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// globals
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global $wp_version;
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// wp-includes/class-wp-embed.php
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if( !empty($GLOBALS['wp_embed']) ) {
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add_filter( 'acf_the_content', array( $GLOBALS['wp_embed'], 'run_shortcode' ), 8 );
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add_filter( 'acf_the_content', array( $GLOBALS['wp_embed'], 'autoembed' ), 8 );
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}
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// wp-includes/default-filters.php
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add_filter( 'acf_the_content', 'capital_P_dangit', 11 );
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add_filter( 'acf_the_content', 'wptexturize' );
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add_filter( 'acf_the_content', 'convert_smilies', 20 );
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// Removed in 4.4
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if( version_compare($wp_version, '4.4', '<' ) ) {
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add_filter( 'acf_the_content', 'convert_chars' );
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}
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add_filter( 'acf_the_content', 'wpautop' );
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add_filter( 'acf_the_content', 'shortcode_unautop' );
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// should only be for the_content (causes double image on attachment page)
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//add_filter( 'acf_the_content', 'prepend_attachment' );
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// Added in 4.4
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if( function_exists('wp_make_content_images_responsive') ) {
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add_filter( 'acf_the_content', 'wp_make_content_images_responsive' );
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}
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add_filter( 'acf_the_content', 'do_shortcode', 11);
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}
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/*
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* get_toolbars
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*
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* This function will return an array of toolbars for the WYSIWYG field
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*
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* @type function
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* @date 18/04/2014
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* @since 5.0.0
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*
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* @param n/a
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* @return (array)
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*/
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function get_toolbars() {
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// global
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global $wp_version;
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// vars
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$toolbars = array();
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$editor_id = 'acf_content';
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if( version_compare($wp_version, '3.9', '>=' ) ) {
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// Full
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$toolbars['Full'] = array(
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1 => apply_filters('mce_buttons', array('bold', 'italic', 'strikethrough', 'bullist', 'numlist', 'blockquote', 'hr', 'alignleft', 'aligncenter', 'alignright', 'link', 'unlink', 'wp_more', 'spellchecker', 'fullscreen', 'wp_adv' ), $editor_id),
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2 => apply_filters('mce_buttons_2', array( 'formatselect', 'underline', 'alignjustify', 'forecolor', 'pastetext', 'removeformat', 'charmap', 'outdent', 'indent', 'undo', 'redo', 'wp_help' ), $editor_id),
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3 => apply_filters('mce_buttons_3', array(), $editor_id),
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4 => apply_filters('mce_buttons_4', array(), $editor_id),
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);
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// Basic
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$toolbars['Basic'] = array(
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1 => apply_filters('teeny_mce_buttons', array('bold', 'italic', 'underline', 'blockquote', 'strikethrough', 'bullist', 'numlist', 'alignleft', 'aligncenter', 'alignright', 'undo', 'redo', 'link', 'unlink', 'fullscreen'), $editor_id),
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);
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} else {
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// Full
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$toolbars['Full'] = array(
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1 => apply_filters('mce_buttons', array('bold', 'italic', 'strikethrough', 'bullist', 'numlist', 'blockquote', 'justifyleft', 'justifycenter', 'justifyright', 'link', 'unlink', 'wp_more', 'spellchecker', 'fullscreen', 'wp_adv' ), $editor_id),
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2 => apply_filters('mce_buttons_2', array( 'formatselect', 'underline', 'justifyfull', 'forecolor', 'pastetext', 'pasteword', 'removeformat', 'charmap', 'outdent', 'indent', 'undo', 'redo', 'wp_help' ), $editor_id),
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3 => apply_filters('mce_buttons_3', array(), $editor_id),
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4 => apply_filters('mce_buttons_4', array(), $editor_id),
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);
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// Basic
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$toolbars['Basic'] = array(
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1 => apply_filters( 'teeny_mce_buttons', array('bold', 'italic', 'underline', 'blockquote', 'strikethrough', 'bullist', 'numlist', 'justifyleft', 'justifycenter', 'justifyright', 'undo', 'redo', 'link', 'unlink', 'fullscreen'), $editor_id ),
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);
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}
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// Filter for 3rd party
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$toolbars = apply_filters( 'acf/fields/wysiwyg/toolbars', $toolbars );
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// return
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return $toolbars;
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}
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/*
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* input_admin_footer
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*
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* description
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*
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* @type function
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* @date 6/03/2014
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* @since 5.0.0
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function input_admin_footer() {
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// vars
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$json = array();
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$toolbars = $this->get_toolbars();
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// bail ealry if no toolbars
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if( empty($toolbars) ) {
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return;
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}
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// loop through toolbars
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foreach( $toolbars as $label => $rows ) {
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// vars
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$label = sanitize_title( $label );
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$label = str_replace('-', '_', $label);
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// append to $json
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$json[ $label ] = array();
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// convert to strings
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if( !empty($rows) ) {
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foreach( $rows as $i => $row ) {
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$json[ $label ][ $i ] = implode(',', $row);
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}
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}
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}
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?>
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<script type="text/javascript">
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acf.fields.wysiwyg.toolbars = <?php echo json_encode($json); ?>;
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</script>
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<?php
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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 - an array holding all the field's data
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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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function render_field( $field ) {
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// global
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global $wp_version;
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// enqueue
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acf_enqueue_uploader();
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// vars
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$id = uniqid('acf-editor-');
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$default_editor = 'html';
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$show_tabs = true;
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$button = '';
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// get height
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$height = acf_get_user_setting('wysiwyg_height', 300);
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$height = max( $height, 300 ); // minimum height is 300
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// detect mode
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if( !user_can_richedit() ) {
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$show_tabs = false;
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} elseif( $field['tabs'] == 'visual' ) {
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// case: visual tab only
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$default_editor = 'tinymce';
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$show_tabs = false;
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} elseif( $field['tabs'] == 'text' ) {
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// case: text tab only
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$show_tabs = false;
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} elseif( wp_default_editor() == 'tinymce' ) {
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// case: both tabs
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$default_editor = 'tinymce';
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}
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// must be logged in tp upload
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if( !current_user_can('upload_files') ) {
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$field['media_upload'] = 0;
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}
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// mode
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$switch_class = ($default_editor === 'html') ? 'html-active' : 'tmce-active';
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// filter value for editor
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remove_filter( 'acf_the_editor_content', 'format_for_editor', 10, 2 );
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remove_filter( 'acf_the_editor_content', 'wp_htmledit_pre', 10, 1 );
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remove_filter( 'acf_the_editor_content', 'wp_richedit_pre', 10, 1 );
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// WP 4.3
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if( version_compare($wp_version, '4.3', '>=' ) ) {
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add_filter( 'acf_the_editor_content', 'format_for_editor', 10, 2 );
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$button = 'data-wp-editor-id="' . $id . '"';
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// WP < 4.3
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} else {
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$function = ($default_editor === 'html') ? 'wp_htmledit_pre' : 'wp_richedit_pre';
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add_filter('acf_the_editor_content', $function, 10, 1);
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$button = 'onclick="switchEditors.switchto(this);"';
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}
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// filter
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$field['value'] = apply_filters( 'acf_the_editor_content', $field['value'], $default_editor );
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?>
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<div id="wp-<?php echo $id; ?>-wrap" class="acf-editor-wrap wp-core-ui wp-editor-wrap <?php echo $switch_class; ?>" data-toolbar="<?php echo $field['toolbar']; ?>" data-upload="<?php echo $field['media_upload']; ?>">
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<div id="wp-<?php echo $id; ?>-editor-tools" class="wp-editor-tools hide-if-no-js">
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<?php if( $field['media_upload'] ): ?>
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<div id="wp-<?php echo $id; ?>-media-buttons" class="wp-media-buttons">
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<?php do_action( 'media_buttons', $id ); ?>
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</div>
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<?php endif; ?>
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<?php if( user_can_richedit() && $show_tabs ): ?>
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<div class="wp-editor-tabs">
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<button id="<?php echo $id; ?>-tmce" class="wp-switch-editor switch-tmce" <?php echo $button; ?> type="button"><?php echo __('Visual', 'acf'); ?></button>
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<button id="<?php echo $id; ?>-html" class="wp-switch-editor switch-html" <?php echo $button; ?> type="button"><?php echo _x( 'Text', 'Name for the Text editor tab (formerly HTML)', 'acf' ); ?></button>
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</div>
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<?php endif; ?>
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</div>
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<div id="wp-<?php echo $id; ?>-editor-container" class="wp-editor-container">
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<textarea id="<?php echo $id; ?>" class="wp-editor-area" name="<?php echo $field['name']; ?>" <?php if($height): ?>style="height:<?php echo $height; ?>px;"<?php endif; ?>><?php echo $field['value']; ?></textarea>
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</div>
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</div>
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<?php
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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( $field ) {
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// vars
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$toolbars = $this->get_toolbars();
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$choices = array();
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if( !empty($toolbars) ) {
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foreach( $toolbars as $k => $v ) {
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$label = $k;
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$name = sanitize_title( $label );
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$name = str_replace('-', '_', $name);
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$choices[ $name ] = $label;
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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' => __('Appears when creating a new post','acf'),
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'type' => 'textarea',
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'name' => 'default_value',
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));
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// tabs
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acf_render_field_setting( $field, array(
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'label' => __('Tabs','acf'),
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'instructions' => '',
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'type' => 'select',
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'name' => 'tabs',
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'choices' => array(
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'all' => __("Visual & Text",'acf'),
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'visual' => __("Visual Only",'acf'),
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'text' => __("Text Only",'acf'),
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)
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));
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// toolbar
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acf_render_field_setting( $field, array(
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'label' => __('Toolbar','acf'),
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'instructions' => '',
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'type' => 'select',
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'name' => 'toolbar',
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'choices' => $choices
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));
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// media_upload
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acf_render_field_setting( $field, array(
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'label' => __('Show Media Upload Buttons?','acf'),
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'instructions' => '',
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'type' => 'radio',
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'name' => 'media_upload',
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'layout' => 'horizontal',
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'choices' => array(
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1 => __("Yes",'acf'),
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0 => __("No",'acf'),
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)
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));
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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, $field ) {
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// bail early if no value
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if( empty($value) ) {
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return $value;
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}
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// apply filters
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$value = apply_filters( 'acf_the_content', $value );
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// follow the_content function in /wp-includes/post-template.php
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$value = str_replace(']]>', ']]>', $value);
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return $value;
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}
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}
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// initialize
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acf_register_field_type( new acf_field_wysiwyg() );
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endif; // class_exists check
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?>
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