260 lines
9.9 KiB
PHP
260 lines
9.9 KiB
PHP
<?php
|
|
defined( 'WPINC' ) or die;
|
|
|
|
class GeneratePress_Sites_Widget_Importer {
|
|
|
|
/**
|
|
* Instance.
|
|
*/
|
|
private static $_instance = null;
|
|
|
|
public static function instance() {
|
|
if ( ! isset( self::$_instance ) ) {
|
|
self::$_instance = new self;
|
|
}
|
|
return self::$_instance;
|
|
}
|
|
|
|
/**
|
|
* Available widgets
|
|
*
|
|
* Gather site's widgets into array with ID base, name, etc.
|
|
* Used by export and import functions.
|
|
*
|
|
* @since 0.4
|
|
* @global array $wp_registered_widget_updates
|
|
* @return array Widget information
|
|
*/
|
|
function wie_available_widgets() {
|
|
global $wp_registered_widget_controls;
|
|
|
|
$widget_controls = $wp_registered_widget_controls;
|
|
$available_widgets = array();
|
|
|
|
foreach ( $widget_controls as $widget ) {
|
|
// No duplicates.
|
|
if ( ! empty( $widget['id_base'] ) && ! isset( $available_widgets[ $widget['id_base'] ] ) ) {
|
|
$available_widgets[ $widget['id_base'] ]['id_base'] = $widget['id_base'];
|
|
$available_widgets[ $widget['id_base'] ]['name'] = $widget['name'];
|
|
}
|
|
}
|
|
|
|
return apply_filters( 'wie_available_widgets', $available_widgets );
|
|
}
|
|
|
|
/**
|
|
* Import widget JSON data
|
|
*
|
|
* @since 0.4
|
|
* @global array $wp_registered_sidebars
|
|
* @param object $data JSON widget data from .wie file.
|
|
* @return array Results array
|
|
*/
|
|
function wie_import_data( $data ) {
|
|
global $wp_registered_sidebars;
|
|
|
|
// Have valid data?
|
|
// If no data or could not decode.
|
|
if ( empty( $data ) || ! is_object( $data ) ) {
|
|
wp_die(
|
|
esc_html__( 'Import data could not be read. Please try a different file.', 'widget-importer-exporter' ),
|
|
'',
|
|
array(
|
|
'back_link' => true,
|
|
)
|
|
);
|
|
}
|
|
|
|
// Hook before import.
|
|
do_action( 'wie_before_import' );
|
|
|
|
$data = apply_filters( 'wie_import_data', $data );
|
|
|
|
// Get all available widgets site supports.
|
|
$available_widgets = $this->wie_available_widgets();
|
|
|
|
// Get all existing widget instances.
|
|
$widget_instances = array();
|
|
|
|
foreach ( $available_widgets as $widget_data ) {
|
|
$widget_instances[ $widget_data['id_base'] ] = get_option( 'widget_' . $widget_data['id_base'] );
|
|
}
|
|
|
|
// Begin results.
|
|
$results = array();
|
|
|
|
// Loop import data's sidebars.
|
|
foreach ( $data as $sidebar_id => $widgets ) {
|
|
// Skip inactive widgets (should not be in export file).
|
|
if ( 'wp_inactive_widgets' === $sidebar_id ) {
|
|
continue;
|
|
}
|
|
|
|
// Check if sidebar is available on this site.
|
|
// Otherwise add widgets to inactive, and say so.
|
|
if ( isset( $wp_registered_sidebars[ $sidebar_id ] ) ) {
|
|
$sidebar_available = true;
|
|
$use_sidebar_id = $sidebar_id;
|
|
$sidebar_message_type = 'success';
|
|
$sidebar_message = '';
|
|
} else {
|
|
$sidebar_available = false;
|
|
$use_sidebar_id = 'wp_inactive_widgets'; // Add to inactive if sidebar does not exist in theme.
|
|
$sidebar_message_type = 'error';
|
|
$sidebar_message = esc_html__( 'Widget area does not exist in theme (using Inactive)', 'widget-importer-exporter' );
|
|
}
|
|
|
|
// Result for sidebar
|
|
// Sidebar name if theme supports it; otherwise ID.
|
|
$results[ $sidebar_id ]['name'] = ! empty( $wp_registered_sidebars[ $sidebar_id ]['name'] ) ? $wp_registered_sidebars[ $sidebar_id ]['name'] : $sidebar_id;
|
|
$results[ $sidebar_id ]['message_type'] = $sidebar_message_type;
|
|
$results[ $sidebar_id ]['message'] = $sidebar_message;
|
|
$results[ $sidebar_id ]['widgets'] = array();
|
|
|
|
// Loop widgets.
|
|
foreach ( $widgets as $widget_instance_id => $widget ) {
|
|
$fail = false;
|
|
|
|
// Get id_base (remove -# from end) and instance ID number.
|
|
$id_base = preg_replace( '/-[0-9]+$/', '', $widget_instance_id );
|
|
$instance_id_number = str_replace( $id_base . '-', '', $widget_instance_id );
|
|
|
|
// Does site support this widget?
|
|
if ( ! $fail && ! isset( $available_widgets[ $id_base ] ) ) {
|
|
$fail = true;
|
|
$widget_message_type = 'error';
|
|
$widget_message = esc_html__( 'Site does not support widget', 'widget-importer-exporter' ); // Explain why widget not imported.
|
|
}
|
|
|
|
// Filter to modify settings object before conversion to array and import
|
|
// Leave this filter here for backwards compatibility with manipulating objects (before conversion to array below)
|
|
// Ideally the newer wie_widget_settings_array below will be used instead of this.
|
|
$widget = apply_filters( 'wie_widget_settings', $widget );
|
|
|
|
// Convert multidimensional objects to multidimensional arrays
|
|
// Some plugins like Jetpack Widget Visibility store settings as multidimensional arrays
|
|
// Without this, they are imported as objects and cause fatal error on Widgets page
|
|
// If this creates problems for plugins that do actually intend settings in objects then may need to consider other approach: https://wordpress.org/support/topic/problem-with-array-of-arrays
|
|
// It is probably much more likely that arrays are used than objects, however.
|
|
$widget = json_decode( wp_json_encode( $widget ), true );
|
|
|
|
// Filter to modify settings array
|
|
// This is preferred over the older wie_widget_settings filter above
|
|
// Do before identical check because changes may make it identical to end result (such as URL replacements).
|
|
$widget = apply_filters( 'wie_widget_settings_array', $widget );
|
|
|
|
// Does widget with identical settings already exist in same sidebar?
|
|
if ( ! $fail && isset( $widget_instances[ $id_base ] ) ) {
|
|
// Get existing widgets in this sidebar.
|
|
$sidebars_widgets = get_option( 'sidebars_widgets' );
|
|
$sidebar_widgets = isset( $sidebars_widgets[ $use_sidebar_id ] ) ? $sidebars_widgets[ $use_sidebar_id ] : array(); // Check Inactive if that's where will go.
|
|
|
|
// Loop widgets with ID base.
|
|
$single_widget_instances = ! empty( $widget_instances[ $id_base ] ) ? $widget_instances[ $id_base ] : array();
|
|
|
|
foreach ( $single_widget_instances as $check_id => $check_widget ) {
|
|
// Is widget in same sidebar and has identical settings?
|
|
if ( in_array( "$id_base-$check_id", $sidebar_widgets, true ) && (array) $widget === $check_widget ) {
|
|
$fail = true;
|
|
$widget_message_type = 'warning';
|
|
// Explain why widget not imported.
|
|
$widget_message = esc_html__( 'Widget already exists', 'widget-importer-exporter' );
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// No failure.
|
|
if ( ! $fail ) {
|
|
// Add widget instance
|
|
$single_widget_instances = get_option( 'widget_' . $id_base ); // All instances for that widget ID base, get fresh every time.
|
|
|
|
$single_widget_instances = ! empty( $single_widget_instances ) ? $single_widget_instances : array(
|
|
'_multiwidget' => 1, // Start fresh if have to.
|
|
);
|
|
|
|
$single_widget_instances[] = $widget; // Add it.
|
|
|
|
// Get the key it was given.
|
|
end( $single_widget_instances );
|
|
|
|
$new_instance_id_number = key( $single_widget_instances );
|
|
|
|
// If key is 0, make it 1
|
|
// When 0, an issue can occur where adding a widget causes data from other widget to load,
|
|
// and the widget doesn't stick (reload wipes it).
|
|
if ( '0' === strval( $new_instance_id_number ) ) {
|
|
$new_instance_id_number = 1;
|
|
$single_widget_instances[ $new_instance_id_number ] = $single_widget_instances[0];
|
|
unset( $single_widget_instances[0] );
|
|
}
|
|
|
|
// Move _multiwidget to end of array for uniformity.
|
|
if ( isset( $single_widget_instances['_multiwidget'] ) ) {
|
|
$multiwidget = $single_widget_instances['_multiwidget'];
|
|
unset( $single_widget_instances['_multiwidget'] );
|
|
$single_widget_instances['_multiwidget'] = $multiwidget;
|
|
}
|
|
|
|
// Update option with new widget.
|
|
update_option( 'widget_' . $id_base, $single_widget_instances );
|
|
|
|
// Assign widget instance to sidebar.
|
|
// Which sidebars have which widgets, get fresh every time.
|
|
$sidebars_widgets = get_option( 'sidebars_widgets' );
|
|
|
|
// Avoid rarely fatal error when the option is an empty string
|
|
// https://github.com/stevengliebe/widget-importer-exporter/pull/11.
|
|
if ( ! $sidebars_widgets ) {
|
|
$sidebars_widgets = array();
|
|
}
|
|
|
|
// Use ID number from new widget instance.
|
|
$new_instance_id = $id_base . '-' . $new_instance_id_number;
|
|
|
|
// Add new instance to sidebar.
|
|
$sidebars_widgets[ $use_sidebar_id ][] = $new_instance_id;
|
|
|
|
// Save the amended data.
|
|
update_option( 'sidebars_widgets', $sidebars_widgets );
|
|
|
|
// After widget import action.
|
|
$after_widget_import = array(
|
|
'sidebar' => $use_sidebar_id,
|
|
'sidebar_old' => $sidebar_id,
|
|
'widget' => $widget,
|
|
'widget_type' => $id_base,
|
|
'widget_id' => $new_instance_id,
|
|
'widget_id_old' => $widget_instance_id,
|
|
'widget_id_num' => $new_instance_id_number,
|
|
'widget_id_num_old' => $instance_id_number,
|
|
);
|
|
|
|
do_action( 'wie_after_widget_import', $after_widget_import );
|
|
|
|
// Success message.
|
|
if ( $sidebar_available ) {
|
|
$widget_message_type = 'success';
|
|
$widget_message = esc_html__( 'Imported', 'widget-importer-exporter' );
|
|
} else {
|
|
$widget_message_type = 'warning';
|
|
$widget_message = esc_html__( 'Imported to Inactive', 'widget-importer-exporter' );
|
|
}
|
|
}
|
|
|
|
// Result for widget instance
|
|
$results[ $sidebar_id ]['widgets'][ $widget_instance_id ]['name'] = isset( $available_widgets[ $id_base ]['name'] ) ? $available_widgets[ $id_base ]['name'] : $id_base; // Widget name or ID if name not available (not supported by site).
|
|
$results[ $sidebar_id ]['widgets'][ $widget_instance_id ]['title'] = ! empty( $widget['title'] ) ? $widget['title'] : esc_html__( 'No Title', 'widget-importer-exporter' ); // Show "No Title" if widget instance is untitled.
|
|
$results[ $sidebar_id ]['widgets'][ $widget_instance_id ]['message_type'] = $widget_message_type;
|
|
$results[ $sidebar_id ]['widgets'][ $widget_instance_id ]['message'] = $widget_message;
|
|
}
|
|
}
|
|
|
|
// Hook after import.
|
|
do_action( 'wie_after_import' );
|
|
|
|
// Return results.
|
|
return apply_filters( 'wie_import_results', $results );
|
|
}
|
|
}
|