<?php
if( ! class_exists('acf_field_wysiwyg') ) :
class acf_field_wysiwyg extends acf_field {
/*
* __construct
*
* This function will setup the field type data
*
* @type function
* @date 5/03/2014
* @since 5.0.0
*
* @param n/a
* @return n/a
*/
function initialize() {
// vars
$this->name = 'wysiwyg';
$this->label = __("Wysiwyg Editor",'acf');
$this->category = 'content';
$this->defaults = array(
'tabs' => 'all',
'toolbar' => 'full',
'media_upload' => 1,
'default_value' => '',
'delay' => 0
);
// add acf_the_content filters
$this->add_filters();
// actions
add_action('acf/enqueue_uploader', array($this, 'acf_enqueue_uploader'));
}
/*
* add_filters
*
* This function will add filters to 'acf_the_content'
*
* @type function
* @date 20/09/2016
* @since 5.4.0
*
* @param n/a
* @return n/a
*/
function add_filters() {
// wp-includes/class-wp-embed.php
if( !empty($GLOBALS['wp_embed']) ) {
add_filter( 'acf_the_content', array( $GLOBALS['wp_embed'], 'run_shortcode' ), 8 );
add_filter( 'acf_the_content', array( $GLOBALS['wp_embed'], 'autoembed' ), 8 );
}
// wp-includes/default-filters.php
add_filter( 'acf_the_content', 'capital_P_dangit', 11 );
add_filter( 'acf_the_content', 'wptexturize' );
add_filter( 'acf_the_content', 'convert_smilies', 20 );
// Removed in 4.4
if( acf_version_compare('wp', '<', '4.4') ) {
add_filter( 'acf_the_content', 'convert_chars' );
}
add_filter( 'acf_the_content', 'wpautop' );
add_filter( 'acf_the_content', 'shortcode_unautop' );
// should only be for the_content (causes double image on attachment page)
//add_filter( 'acf_the_content', 'prepend_attachment' );
// Added in 4.4
if( function_exists('wp_make_content_images_responsive') ) {
add_filter( 'acf_the_content', 'wp_make_content_images_responsive' );
}
add_filter( 'acf_the_content', 'do_shortcode', 11);
}
/*
* get_toolbars
*
* This function will return an array of toolbars for the WYSIWYG field
*
* @type function
* @date 18/04/2014
* @since 5.0.0
*
* @param n/a
* @return (array)
*/
function get_toolbars() {
// vars
$editor_id = 'acf_content';
$toolbars = array();
// mce buttons (Full)
$mce_buttons = array( 'formatselect', 'bold', 'italic', 'bullist', 'numlist', 'blockquote', 'alignleft', 'aligncenter', 'alignright', 'link', 'wp_more', 'spellchecker', 'fullscreen', 'wp_adv' );
$mce_buttons_2 = array( 'strikethrough', 'hr', 'forecolor', 'pastetext', 'removeformat', 'charmap', 'outdent', 'indent', 'undo', 'redo', 'wp_help' );
// mce buttons (Basic)
$teeny_mce_buttons = array('bold', 'italic', 'underline', 'blockquote', 'strikethrough', 'bullist', 'numlist', 'alignleft', 'aligncenter', 'alignright', 'undo', 'redo', 'link', 'fullscreen');
// WP < 4.7
if( acf_version_compare('wp', '<', '4.7') ) {
$mce_buttons = array( 'bold', 'italic', 'strikethrough', 'bullist', 'numlist', 'blockquote', 'hr', 'alignleft', 'aligncenter', 'alignright', 'link', 'unlink', 'wp_more', 'spellchecker', 'fullscreen', 'wp_adv' );
$mce_buttons_2 = array( 'formatselect', 'underline', 'alignjustify', 'forecolor', 'pastetext', 'removeformat', 'charmap', 'outdent', 'indent', 'undo', 'redo', 'wp_help' );
}
// Full
$toolbars['Full'] = array(
1 => apply_filters('mce_buttons', $mce_buttons, $editor_id),
2 => apply_filters('mce_buttons_2', $mce_buttons_2, $editor_id),
3 => apply_filters('mce_buttons_3', array(), $editor_id),
4 => apply_filters('mce_buttons_4', array(), $editor_id)
);
// Basic
$toolbars['Basic'] = array(
1 => apply_filters('teeny_mce_buttons', $teeny_mce_buttons, $editor_id)
);
// Filter for 3rd party
$toolbars = apply_filters( 'acf/fields/wysiwyg/toolbars', $toolbars );
// return
return $toolbars;
}
/*
* acf_enqueue_uploader
*
* Registers toolbars data for the WYSIWYG field.
*
* @type function
* @date 16/12/2015
* @since 5.3.2
*
* @param void
* @return void
*/
function acf_enqueue_uploader() {
// vars
$data = array();
$toolbars = $this->get_toolbars();
// loop
if( $toolbars ) {
foreach( $toolbars as $label => $rows ) {
// vars
$key = $label;
$key = sanitize_title( $key );
$key = str_replace('-', '_', $key);
// append
$data[ $key ] = array();
if( $rows ) {
foreach( $rows as $i => $row ) {
$data[ $key ][ $i ] = implode(',', $row);
}
}
}}
// localize
acf_localize_data(array(
'toolbars' => $data
));
}
/*
* render_field()
*
* Create the HTML interface for your field
*
* @param $field - an array holding all the field's data
*
* @type action
* @since 3.6
* @date 23/01/13
*/
function render_field( $field ) {
// enqueue
acf_enqueue_uploader();
// vars
$id = uniqid('acf-editor-');
$default_editor = 'html';
$show_tabs = true;
$button = '';
// get height
$height = acf_get_user_setting('wysiwyg_height', 300);
$height = max( $height, 300 ); // minimum height is 300
// detect mode
if( !user_can_richedit() ) {
$show_tabs = false;
} elseif( $field['tabs'] == 'visual' ) {
// case: visual tab only
$default_editor = 'tinymce';
$show_tabs = false;
} elseif( $field['tabs'] == 'text' ) {
// case: text tab only
$show_tabs = false;
} elseif( wp_default_editor() == 'tinymce' ) {
// case: both tabs
$default_editor = 'tinymce';
}
// must be logged in tp upload
if( !current_user_can('upload_files') ) {
$field['media_upload'] = 0;
}
// mode
$switch_class = ($default_editor === 'html') ? 'html-active' : 'tmce-active';
// filter value for editor
remove_filter( 'acf_the_editor_content', 'format_for_editor', 10, 2 );
remove_filter( 'acf_the_editor_content', 'wp_htmledit_pre', 10, 1 );
remove_filter( 'acf_the_editor_content', 'wp_richedit_pre', 10, 1 );
// WP 4.3
if( acf_version_compare('wp', '>=', '4.3') ) {
add_filter( 'acf_the_editor_content', 'format_for_editor', 10, 2 );
$button = 'data-wp-editor-id="' . $id . '"';
// WP < 4.3
} else {
$function = ($default_editor === 'html') ? 'wp_htmledit_pre' : 'wp_richedit_pre';
add_filter('acf_the_editor_content', $function, 10, 1);
$button = 'onclick="switchEditors.switchto(this);"';
}
// filter
$field['value'] = apply_filters( 'acf_the_editor_content', $field['value'], $default_editor );
// attr
$wrap = array(
'id' => 'wp-' . $id . '-wrap',
'class' => 'acf-editor-wrap wp-core-ui wp-editor-wrap ' . $switch_class,
'data-toolbar' => $field['toolbar']
);
// delay
if( $field['delay'] ) {
$wrap['class'] .= ' delay';
}
// vars
$textarea = acf_get_textarea_input(array(
'id' => $id,
'class' => 'wp-editor-area',
'name' => $field['name'],
'style' => $height ? "height:{$height}px;" : '',
'value' => '%s'
));
?>
<div <?php acf_esc_attr_e($wrap); ?>>
<div id="wp-<?php echo $id; ?>-editor-tools" class="wp-editor-tools hide-if-no-js">
<?php if( $field['media_upload'] ): ?>
<div id="wp-<?php echo $id; ?>-media-buttons" class="wp-media-buttons">
<?php do_action( 'media_buttons', $id ); ?>
</div>
<?php endif; ?>
<?php if( user_can_richedit() && $show_tabs ): ?>
<div class="wp-editor-tabs">
<button id="<?php echo $id; ?>-tmce" class="wp-switch-editor switch-tmce" <?php echo $button; ?> type="button"><?php echo __('Visual', 'acf'); ?></button>
<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>
</div>
<?php endif; ?>
</div>
<div id="wp-<?php echo $id; ?>-editor-container" class="wp-editor-container">
<?php if( $field['delay'] ): ?>
<div class="acf-editor-toolbar"><?php _e('Click to initialize TinyMCE', 'acf'); ?></div>
<?php endif; ?>
<?php printf( $textarea, $field['value'] ); ?>
</div>
</div>
<?php
}
/*
* render_field_settings()
*
* Create extra options for your field. This is rendered when editing a field.
* The value of $field['name'] can be used (like bellow) to save extra data to the $field
*
* @type action
* @since 3.6
* @date 23/01/13
*
* @param $field - an array holding all the field's data
*/
function render_field_settings( $field ) {
// vars
$toolbars = $this->get_toolbars();
$choices = array();
if( !empty($toolbars) ) {
foreach( $toolbars as $k => $v ) {
$label = $k;
$name = sanitize_title( $label );
$name = str_replace('-', '_', $name);
$choices[ $name ] = $label;
}
}
// default_value
acf_render_field_setting( $field, array(
'label' => __('Default Value','acf'),
'instructions' => __('Appears when creating a new post','acf'),
'type' => 'textarea',
'name' => 'default_value',
));
// tabs
acf_render_field_setting( $field, array(
'label' => __('Tabs','acf'),
'instructions' => '',
'type' => 'select',
'name' => 'tabs',
'choices' => array(
'all' => __("Visual & Text",'acf'),
'visual' => __("Visual Only",'acf'),
'text' => __("Text Only",'acf'),
)
));
// toolbar
acf_render_field_setting( $field, array(
'label' => __('Toolbar','acf'),
'instructions' => '',
'type' => 'select',
'name' => 'toolbar',
'choices' => $choices,
'conditions' => array(
'field' => 'tabs',
'operator' => '!=',
'value' => 'text'
)
));
// media_upload
acf_render_field_setting( $field, array(
'label' => __('Show Media Upload Buttons?','acf'),
'instructions' => '',
'name' => 'media_upload',
'type' => 'true_false',
'ui' => 1,
));
// delay
acf_render_field_setting( $field, array(
'label' => __('Delay initialization?','acf'),
'instructions' => __('TinyMCE will not be initialized until field is clicked','acf'),
'name' => 'delay',
'type' => 'true_false',
'ui' => 1,
'conditions' => array(
'field' => 'tabs',
'operator' => '!=',
'value' => 'text'
)
));
}
/*
* format_value()
*
* This filter is appied to the $value after it is loaded from the db and before it is returned to the template
*
* @type filter
* @since 3.6
* @date 23/01/13
*
* @param $value (mixed) the value which was loaded from the database
* @param $post_id (mixed) the $post_id from which the value was loaded
* @param $field (array) the field array holding all the field options
*
* @return $value (mixed) the modified value
*/
function format_value( $value, $post_id, $field ) {
// bail early if no value
if( empty($value) ) {
return $value;
}
// apply filters
$value = apply_filters( 'acf_the_content', $value );
// follow the_content function in /wp-includes/post-template.php
$value = str_replace(']]>', ']]>', $value);
return $value;
}
}
// initialize
acf_register_field_type( 'acf_field_wysiwyg' );
endif; // class_exists check
?>