<?php
if( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
if( ! class_exists('ACF_Admin_Tool_Export') ) :
class ACF_Admin_Tool_Export extends ACF_Admin_Tool {
/** @var string View context */
var $view = '';
/** @var array Export data */
var $json = '';
/**
* initialize
*
* This function will initialize the admin tool
*
* @date 10/10/17
* @since 5.6.3
*
* @param n/a
* @return n/a
*/
function initialize() {
// vars
$this->name = 'export';
$this->title = __("Export Field Groups", 'acf');
// active
if( $this->is_active() ) {
$this->title .= ' - ' . __('Generate PHP', 'acf');
}
}
/**
* submit
*
* This function will run when the tool's form has been submit
*
* @date 10/10/17
* @since 5.6.3
*
* @param n/a
* @return n/a
*/
function submit() {
// vars
$action = acf_maybe_get_POST('action');
// download
if( $action === 'download' ) {
$this->submit_download();
// generate
} elseif( $action === 'generate' ) {
$this->submit_generate();
}
}
/**
* submit_download
*
* description
*
* @date 17/10/17
* @since 5.6.3
*
* @param n/a
* @return n/a
*/
function submit_download() {
// vars
$json = $this->get_selected();
// validate
if( $json === false ) {
return acf_add_admin_notice( __("No field groups selected", 'acf'), 'warning' );
}
// headers
$file_name = 'acf-export-' . date('Y-m-d') . '.json';
header( "Content-Description: File Transfer" );
header( "Content-Disposition: attachment; filename={$file_name}" );
header( "Content-Type: application/json; charset=utf-8" );
// return
echo acf_json_encode( $json );
die;
}
/**
* submit_generate
*
* description
*
* @date 17/10/17
* @since 5.6.3
*
* @param n/a
* @return n/a
*/
function submit_generate() {
// vars
$keys = $this->get_selected_keys();
// validate
if( !$keys ) {
return acf_add_admin_notice( __("No field groups selected", 'acf'), 'warning' );
}
// url
$url = add_query_arg( 'keys', implode('+', $keys), $this->get_url() );
// redirect
wp_redirect( $url );
exit;
}
/**
* load
*
* description
*
* @date 21/10/17
* @since 5.6.3
*
* @param n/a
* @return n/a
*/
function load() {
// active
if( $this->is_active() ) {
// get selected keys
$selected = $this->get_selected_keys();
// add notice
if( $selected ) {
$count = count($selected);
$text = sprintf( _n( 'Exported 1 field group.', 'Exported %s field groups.', $count, 'acf' ), $count );
acf_add_admin_notice( $text, 'success' );
}
}
}
/**
* html
*
* This function will output the metabox HTML
*
* @date 10/10/17
* @since 5.6.3
*
* @param n/a
* @return n/a
*/
function html() {
// single (generate PHP)
if( $this->is_active() ) {
$this->html_single();
// archive
} else {
$this->html_archive();
}
}
/**
* html_field_selection
*
* description
*
* @date 24/10/17
* @since 5.6.3
*
* @param n/a
* @return n/a
*/
function html_field_selection() {
// vars
$choices = array();
$selected = $this->get_selected_keys();
$field_groups = acf_get_field_groups();
// loop
if( $field_groups ) {
foreach( $field_groups as $field_group ) {
$choices[ $field_group['key'] ] = esc_html( $field_group['title'] );
}
}
// render
acf_render_field_wrap(array(
'label' => __('Select Field Groups', 'acf'),
'type' => 'checkbox',
'name' => 'keys',
'prefix' => false,
'value' => $selected,
'toggle' => true,
'choices' => $choices,
));
}
/**
* html_panel_selection
*
* description
*
* @date 21/10/17
* @since 5.6.3
*
* @param n/a
* @return n/a
*/
function html_panel_selection() {
?>
<div class="acf-panel acf-panel-selection">
<h3 class="acf-panel-title"><?php _e('Select Field Groups', 'acf') ?> <i class="dashicons dashicons-arrow-right"></i></h3>
<div class="acf-panel-inside">
<?php $this->html_field_selection(); ?>
</div>
</div>
<?php
}
/**
* html_panel_settings
*
* description
*
* @date 21/10/17
* @since 5.6.3
*
* @param n/a
* @return n/a
*/
function html_panel_settings() {
?>
<div class="acf-panel acf-panel-settings">
<h3 class="acf-panel-title"><?php _e('Settings', 'acf') ?> <i class="dashicons dashicons-arrow-right"></i></h3>
<div class="acf-panel-inside">
<?php
/*
acf_render_field_wrap(array(
'label' => __('Empty settings', 'acf'),
'type' => 'select',
'name' => 'minimal',
'prefix' => false,
'value' => '',
'choices' => array(
'all' => __('Include all settings', 'acf'),
'minimal' => __('Ignore empty settings', 'acf'),
)
));
*/
?>
</div>
</div>
<?php
}
/**
* html_archive
*
* description
*
* @date 20/10/17
* @since 5.6.3
*
* @param n/a
* @return n/a
*/
function html_archive() {
?>
<p><?php _e('Select the field groups you would like to export and then select your export method. Use the download button to export to a .json file which you can then import to another ACF installation. Use the generate button to export to PHP code which you can place in your theme.', 'acf'); ?></p>
<div class="acf-fields">
<?php $this->html_field_selection(); ?>
</div>
<p class="acf-submit">
<button type="submit" name="action" class="button button-primary" value="download"><?php _e('Export File', 'acf'); ?></button>
<button type="submit" name="action" class="button" value="generate"><?php _e('Generate PHP', 'acf'); ?></button>
</p>
<?php
}
/**
* html_single
*
* description
*
* @date 20/10/17
* @since 5.6.3
*
* @param n/a
* @return n/a
*/
function html_single() {
?>
<div class="acf-postbox-columns">
<div class="acf-postbox-main">
<?php $this->html_generate(); ?>
</div>
<div class="acf-postbox-side">
<?php $this->html_panel_selection(); ?>
<p class="acf-submit">
<button type="submit" name="action" class="button button-primary" value="generate"><?php _e('Generate PHP', 'acf'); ?></button>
</p>
</div>
</div>
<?php
}
/**
* html_generate
*
* description
*
* @date 17/10/17
* @since 5.6.3
*
* @param n/a
* @return n/a
*/
function html_generate() {
// prevent default translation and fake __() within string
acf_update_setting('l10n_var_export', true);
// vars
$json = $this->get_selected();
$str_replace = array(
" " => "\t",
"'!!__(!!\'" => "__('",
"!!\', !!\'" => "', '",
"!!\')!!'" => "')",
"array (" => "array("
);
$preg_replace = array(
'/([\t\r\n]+?)array/' => 'array',
'/[0-9]+ => array/' => 'array'
);
?>
<p><?php _e("The following code can be used to register a local version of the selected field group(s). A local field group can provide many benefits such as faster load times, version control & dynamic fields/settings. Simply copy and paste the following code to your theme's functions.php file or include it within an external file.", 'acf'); ?></p>
<textarea id="acf-export-textarea" readonly="true"><?php
echo "if( function_exists('acf_add_local_field_group') ):" . "\r\n" . "\r\n";
foreach( $json as $field_group ) {
// code
$code = var_export($field_group, true);
// change double spaces to tabs
$code = str_replace( array_keys($str_replace), array_values($str_replace), $code );
// correctly formats "=> array("
$code = preg_replace( array_keys($preg_replace), array_values($preg_replace), $code );
// esc_textarea
$code = esc_textarea( $code );
// echo
echo "acf_add_local_field_group({$code});" . "\r\n" . "\r\n";
}
echo "endif;";
?></textarea>
<p class="acf-submit">
<a class="button" id="acf-export-copy"><?php _e( 'Copy to clipboard', 'acf' ); ?></a>
</p>
<script type="text/javascript">
(function($){
// vars
var $a = $('#acf-export-copy');
var $textarea = $('#acf-export-textarea');
// remove $a if 'copy' is not supported
if( !document.queryCommandSupported('copy') ) {
return $a.remove();
}
// event
$a.on('click', function( e ){
// prevent default
e.preventDefault();
// select
$textarea.get(0).select();
// try
try {
// copy
var copy = document.execCommand('copy');
if( !copy ) return;
// tooltip
acf.newTooltip({
text: "<?php _e('Copied', 'acf' ); ?>",
timeout: 250,
target: $(this),
});
} catch (err) {
// do nothing
}
});
})(jQuery);
</script>
<?php
}
/**
* get_selected_keys
*
* This function will return an array of field group keys that have been selected
*
* @date 20/10/17
* @since 5.6.3
*
* @param n/a
* @return n/a
*/
function get_selected_keys() {
// check $_POST
if( $keys = acf_maybe_get_POST('keys') ) {
return (array) $keys;
}
// check $_GET
if( $keys = acf_maybe_get_GET('keys') ) {
$keys = str_replace(' ', '+', $keys);
return explode('+', $keys);
}
// return
return false;
}
/**
* get_selected
*
* This function will return the JSON data for given $_POST args
*
* @date 17/10/17
* @since 5.6.3
*
* @param n/a
* @return array
*/
function get_selected() {
// vars
$selected = $this->get_selected_keys();
$json = array();
// bail early if no keys
if( !$selected ) return false;
// construct JSON
foreach( $selected as $key ) {
// load field group
$field_group = acf_get_field_group( $key );
// validate field group
if( empty($field_group) ) continue;
// load fields
$field_group['fields'] = acf_get_fields( $field_group );
// prepare for export
$field_group = acf_prepare_field_group_for_export( $field_group );
// add to json array
$json[] = $field_group;
}
// return
return $json;
}
}
// initialize
acf_register_admin_tool( 'ACF_Admin_Tool_Export' );
endif; // class_exists check
?>