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<?php
if ( ! defined( 'ABSPATH' ) ) {
exit; // disable direct access
}
if ( ! class_exists( 'Mega_Menu_Widget_Manager' ) ) :
/**
* Processes AJAX requests from the Mega Menu panel editor.
* Also registers our widget sidebar.
*
* There is very little in WordPress core to help with listing, editing, saving,
* deleting widgets etc so this class implements that functionality.
*/
class Mega_Menu_Widget_Manager {
/**
* Constructor
*
* @since 1.0
*/
public function __construct() {
add_action( 'wp_ajax_mm_edit_widget', array( $this, 'ajax_show_widget_form' ) );
add_action( 'wp_ajax_mm_edit_menu_item', array( $this, 'ajax_show_menu_item_form' ) );
add_action( 'wp_ajax_mm_save_widget', array( $this, 'ajax_save_widget' ) );
add_action( 'wp_ajax_mm_save_menu_item', array( $this, 'ajax_save_menu_item' ) );
add_action( 'wp_ajax_mm_update_widget_columns', array( $this, 'ajax_update_widget_columns' ) );
add_action( 'wp_ajax_mm_update_menu_item_columns', array( $this, 'ajax_update_menu_item_columns' ) );
add_action( 'wp_ajax_mm_delete_widget', array( $this, 'ajax_delete_widget' ) );
add_action( 'wp_ajax_mm_add_widget', array( $this, 'ajax_add_widget' ) );
add_action( 'wp_ajax_mm_reorder_items', array( $this, 'ajax_reorder_items' ) );
add_action( 'wp_ajax_mm_save_grid_data', array( $this, 'ajax_save_grid_data' ) );
add_filter( 'widget_update_callback', array( $this, 'persist_mega_menu_widget_settings' ), 10, 4 );
add_action( 'megamenu_after_widget_add', array( $this, 'clear_caches' ) );
add_action( 'megamenu_after_widget_save', array( $this, 'clear_caches' ) );
add_action( 'megamenu_after_widget_delete', array( $this, 'clear_caches' ) );
}
/**
* Depending on how a widget has been written, it may not necessarily base the new widget settings on
* a copy the old settings. If this is the case, the mega menu data will be lost. This function
* checks to make sure widgets persist the mega menu data when they're saved.
*
* @since 1.0
*/
public function persist_mega_menu_widget_settings( $instance, $new_instance, $old_instance, $that ) {
if ( isset( $old_instance['mega_menu_columns'] ) && ! isset( $new_instance['mega_menu_columns'] ) ) {
$instance['mega_menu_columns'] = $old_instance['mega_menu_columns'];
}
if ( isset( $old_instance['mega_menu_order'] ) && ! isset( $new_instance['mega_menu_order'] ) ) {
$instance['mega_menu_order'] = $old_instance['mega_menu_order'];
}
if ( isset( $old_instance['mega_menu_parent_menu_id'] ) && ! isset( $new_instance['mega_menu_parent_menu_id'] ) ) {
$instance['mega_menu_parent_menu_id'] = $old_instance['mega_menu_parent_menu_id'];
}
return $instance;
}
/**
* Display a widget settings form
*
* @since 1.0
*/
public function ajax_show_widget_form() {
check_ajax_referer( 'megamenu_edit' );
$capability = apply_filters( 'megamenu_options_capability', 'edit_theme_options' );
if ( ! current_user_can( $capability ) ) {
return;
}
$widget_id = sanitize_text_field( $_POST['widget_id'] );
if ( ob_get_contents() ) {
ob_clean(); // remove any warnings or output from other plugins which may corrupt the response
}
wp_die( trim( $this->show_widget_form( $widget_id ) ) );
}
/**
* Display a menu item settings form
*
* @since 2.7
*/
public function ajax_show_menu_item_form() {
check_ajax_referer( 'megamenu_edit' );
$capability = apply_filters( 'megamenu_options_capability', 'edit_theme_options' );
if ( ! current_user_can( $capability ) ) {
return;
}
$menu_item_id = sanitize_text_field( $_POST['widget_id'] );
$nonce = wp_create_nonce( 'megamenu_save_menu_item_' . $menu_item_id );
$saved_settings = array_filter( (array) get_post_meta( $menu_item_id, '_megamenu', true ) );
$menu_item_meta = array_merge( Mega_Menu_Nav_Menus::get_menu_item_defaults(), $saved_settings );
if ( ob_get_contents() ) {
ob_clean(); // remove any warnings or output from other plugins which may corrupt the response
}
?>
<form method='post'>
<input type='hidden' name='action' value='mm_save_menu_item' />
<input type='hidden' name='menu_item_id' value='<?php echo esc_attr( $menu_item_id ); ?>' />
<input type='hidden' name='_wpnonce' value='<?php echo esc_attr( $nonce ); ?>' />
<div class='widget-content'>
<?php
$css_version = get_transient( 'megamenu_css_version' );
if ( $css_version && version_compare( $css_version, '2.6.1', '<' ) ) {
$link = "<a href='" . esc_attr( admin_url( 'admin.php?page=maxmegamenu_tools' ) ) . "'>" . __( 'Mega Menu' ) . ' > ' . __( 'Tools' ) . '</a>';
$notice = "<div class='notice notice-success'><p>";
$notice .= sprintf( __( 'Your menu CSS needs to be updated before you can use the following setting. Please go to %s and Clear the CSS Cache (you will only need to do this once).', 'megamenu' ), $link );
$notice .= '</p></div>';
$notice .= '</div>';
echo $notice;
}
?>
<p>
<label><?php _e( 'Sub menu columns', 'megamenu' ); ?></label>
<select name="settings[submenu_columns]">
<option value='1' <?php selected( $menu_item_meta['submenu_columns'], 1, true ); ?> >1 <?php __( 'column', 'megamenu' ); ?></option>
<option value='2' <?php selected( $menu_item_meta['submenu_columns'], 2, true ); ?> >2 <?php __( 'columns', 'megamenu' ); ?></option>
<option value='3' <?php selected( $menu_item_meta['submenu_columns'], 3, true ); ?> >3 <?php __( 'columns', 'megamenu' ); ?></option>
<option value='4' <?php selected( $menu_item_meta['submenu_columns'], 4, true ); ?> >4 <?php __( 'columns', 'megamenu' ); ?></option>
<option value='5' <?php selected( $menu_item_meta['submenu_columns'], 5, true ); ?> >5 <?php __( 'columns', 'megamenu' ); ?></option>
<option value='6' <?php selected( $menu_item_meta['submenu_columns'], 6, true ); ?> >6 <?php __( 'columns', 'megamenu' ); ?></option>
</select>
</p>
<p>
<div class='widget-controls'>
<a class='close' href='#close'><?php _e( 'Close', 'megamenu' ); ?></a>
</div>
<?php
submit_button( __( 'Save' ), 'button-primary alignright', 'savewidget', false );
?>
</p>
</div>
</form>
<?php
}
/**
* Save a menu item
*
* @since 2.7
*/
public function ajax_save_menu_item() {
$menu_item_id = absint( sanitize_text_field( $_POST['menu_item_id'] ) );
check_ajax_referer( 'megamenu_save_menu_item_' . $menu_item_id );
$capability = apply_filters( 'megamenu_options_capability', 'edit_theme_options' );
if ( ! current_user_can( $capability ) ) {
return;
}
$submitted_settings = isset( $_POST['settings'] ) ? $_POST['settings'] : array();
if ( $menu_item_id > 0 && is_array( $submitted_settings ) ) {
$existing_settings = get_post_meta( $menu_item_id, '_megamenu', true );
if ( is_array( $existing_settings ) ) {
$submitted_settings = array_merge( $existing_settings, $submitted_settings );
}
update_post_meta( $menu_item_id, '_megamenu', $submitted_settings );
}
$this->send_json_success( sprintf( __( 'Saved %s', 'megamenu' ), $id_base ) );
}
/**
* Save a widget
*
* @since 1.0
*/
public function ajax_save_widget() {
$widget_id = sanitize_text_field( $_POST['widget_id'] );
$id_base = sanitize_text_field( $_POST['id_base'] );
check_ajax_referer( 'megamenu_save_widget_' . $widget_id );
$capability = apply_filters( 'megamenu_options_capability', 'edit_theme_options' );
if ( ! current_user_can( $capability ) ) {
return;
}
$saved = $this->save_widget( $id_base );
if ( $saved ) {
$this->send_json_success( sprintf( __( 'Saved %s', 'megamenu' ), $id_base ) );
} else {
$this->send_json_error( sprintf( __( 'Failed to save %s', 'megamenu' ), $id_base ) );
}
}
/**
* Update the number of mega columns for a widget
*
* @since 1.0
*/
public function ajax_update_widget_columns() {
check_ajax_referer( 'megamenu_edit' );
$capability = apply_filters( 'megamenu_options_capability', 'edit_theme_options' );
if ( ! current_user_can( $capability ) ) {
return;
}
$widget_id = sanitize_text_field( $_POST['id'] );
$columns = absint( $_POST['columns'] );
$updated = $this->update_widget_columns( $widget_id, $columns );
if ( $updated ) {
$this->send_json_success( sprintf( __( 'Updated %1$s (new columns: %2$d)', 'megamenu' ), $widget_id, $columns ) );
} else {
$this->send_json_error( sprintf( __( 'Failed to update %s', 'megamenu' ), $widget_id ) );
}
}
/**
* Update the number of mega columns for a widget
*
* @since 1.0
*/
public function ajax_update_menu_item_columns() {
check_ajax_referer( 'megamenu_edit' );
$capability = apply_filters( 'megamenu_options_capability', 'edit_theme_options' );
if ( ! current_user_can( $capability ) ) {
return;
}
$id = absint( $_POST['id'] );
$columns = absint( $_POST['columns'] );
$updated = $this->update_menu_item_columns( $id, $columns );
if ( $updated ) {
$this->send_json_success( sprintf( __( 'Updated %1$s (new columns: %2$d)', 'megamenu' ), $id, $columns ) );
} else {
$this->send_json_error( sprintf( __( 'Failed to update %s', 'megamenu' ), $id ) );
}
}
/**
* Add a widget to the panel
*
* @since 1.0
*/
public function ajax_add_widget() {
check_ajax_referer( 'megamenu_edit' );
$capability = apply_filters( 'megamenu_options_capability', 'edit_theme_options' );
if ( ! current_user_can( $capability ) ) {
return;
}
$id_base = sanitize_text_field( $_POST['id_base'] );
$menu_item_id = absint( $_POST['menu_item_id'] );
$title = sanitize_text_field( $_POST['title'] );
$is_grid_widget = isset( $_POST['is_grid_widget'] ) && $_POST['is_grid_widget'] == 'true';
$added = $this->add_widget( $id_base, $menu_item_id, $title, $is_grid_widget );
if ( $added ) {
$this->send_json_success( $added );
} else {
$this->send_json_error( sprintf( __( 'Failed to add %1$s to %2$d', 'megamenu' ), $id_base, $menu_item_id ) );
}
}
/**
* Deletes a widget
*
* @since 1.0
*/
public function ajax_delete_widget() {
check_ajax_referer( 'megamenu_edit' );
$capability = apply_filters( 'megamenu_options_capability', 'edit_theme_options' );
if ( ! current_user_can( $capability ) ) {
return;
}
$widget_id = sanitize_text_field( $_POST['widget_id'] );
$deleted = $this->delete_widget( $widget_id );
if ( $deleted ) {
$this->send_json_success( sprintf( __( 'Deleted %s', 'megamenu' ), $widget_id ) );
} else {
$this->send_json_error( sprintf( __( 'Failed to delete %s', 'megamenu' ), $widget_id ) );
}
}
/**
* Moves a widget to a new position
*
* @since 1.0
*/
public function ajax_reorder_items() {
check_ajax_referer( 'megamenu_edit' );
$capability = apply_filters( 'megamenu_options_capability', 'edit_theme_options' );
if ( ! current_user_can( $capability ) ) {
return;
}
$items = isset( $_POST['items'] ) ? $_POST['items'] : false;
$saved = false;
if ( $items ) {
$moved = $this->reorder_items( $items );
}
if ( $moved ) {
$this->send_json_success( sprintf( __( 'Moved (%s)', 'megamenu' ), json_encode( $items ) ) );
} else {
$this->send_json_error( sprintf( __( "Didn't move items", 'megamenu' ), json_encode( $items ) ) );
}
}
/**
* Moves a widget to a new position
*
* @since 2.4
*/
public function ajax_save_grid_data() {
check_ajax_referer( 'megamenu_edit' );
$capability = apply_filters( 'megamenu_options_capability', 'edit_theme_options' );
if ( ! current_user_can( $capability ) ) {
return;
}
$grid = isset( $_POST['grid'] ) ? $_POST['grid'] : false;
$parent_menu_item_id = absint( $_POST['parent_menu_item'] );
$saved = true;
$existing_settings = get_post_meta( $parent_menu_item_id, '_megamenu', true );
if ( is_array( $grid ) ) {
$submitted_settings = array_merge( $existing_settings, array( 'grid' => $grid ) );
}
update_post_meta( $parent_menu_item_id, '_megamenu', $submitted_settings );
if ( $saved ) {
$this->send_json_success( sprintf( __( 'Saved (%s)', 'megamenu' ), json_encode( $grid ) ) );
} else {
$this->send_json_error( sprintf( __( "Didn't save", 'megamenu' ), json_encode( $grid ) ) );
}
}
/**
* Returns an object representing all widgets registered in WordPress
*
* @since 1.0
*/
public function get_available_widgets() {
global $wp_widget_factory;
$widgets = array();
foreach ( $wp_widget_factory->widgets as $widget ) {
$disabled_widgets = array( 'maxmegamenu' );
$disabled_widgets = apply_filters( 'megamenu_incompatible_widgets', $disabled_widgets );
if ( ! in_array( $widget->id_base, $disabled_widgets ) ) {
$widgets[] = array(
'text' => $widget->name,
'value' => $widget->id_base,
);
}
}
uasort( $widgets, array( $this, 'sort_by_text' ) );
return $widgets;
}
/**
* Sorts a 2d array by the 'text' key
*
* @since 1.2
* @param array $a
* @param array $b
*/
function sort_by_text( $a, $b ) {
return strcmp( $a['text'], $b['text'] );
}
/**
* Sorts a 2d array by the 'order' key
*
* @since 2.0
* @param array $a
* @param array $b
*/
function sort_by_order( $a, $b ) {
if ( $a['order'] == $b['order'] ) {
return 1;
}
return ( $a['order'] < $b['order'] ) ? -1 : 1;
}
/**
* Returns an array of immediate child menu items for the current item
*
* @since 1.5
* @return array
*/
private function get_second_level_menu_items( $parent_menu_item_id, $menu_id, $menu_items = false ) {
$second_level_items = array();
// check we're using a valid menu ID
if ( ! is_nav_menu( $menu_id ) ) {
return $second_level_items;
}
if ( ! $menu_items ) {
$menu_items = wp_get_nav_menu_items( $menu_id );
}
if ( count( $menu_items ) ) {
foreach ( $menu_items as $item ) {
// find the child menu items
if ( $item->menu_item_parent == $parent_menu_item_id ) {
$saved_settings = array_filter( (array) get_post_meta( $item->ID, '_megamenu', true ) );
$settings = array_merge( Mega_Menu_Nav_Menus::get_menu_item_defaults(), $saved_settings );
$second_level_items[ $item->ID ] = array(
'id' => $item->ID,
'type' => 'menu_item',
'title' => $item->title,
'columns' => $settings['mega_menu_columns'],
'order' => isset( $settings['mega_menu_order'][ $parent_menu_item_id ] ) ? $settings['mega_menu_order'][ $parent_menu_item_id ] : 0,
);
}
}
}
return $second_level_items;
}
/**
* Returns an array of all widgets belonging to a specified menu item ID.
*
* @since 1.0
* @param int $menu_item_id
*/
public function get_widgets_for_menu_id( $parent_menu_item_id, $menu_id ) {
$widgets = array();
if ( $mega_menu_widgets = $this->get_mega_menu_sidebar_widgets() ) {
foreach ( $mega_menu_widgets as $widget_id ) {
$settings = $this->get_settings_for_widget_id( $widget_id );
if ( ! isset( $settings['mega_menu_is_grid_widget'] ) && isset( $settings['mega_menu_parent_menu_id'] ) && $settings['mega_menu_parent_menu_id'] == $parent_menu_item_id ) {
$name = $this->get_name_for_widget_id( $widget_id );
$widgets[ $widget_id ] = array(
'id' => $widget_id,
'type' => 'widget',
'title' => $name,
'columns' => $settings['mega_menu_columns'],
'order' => isset( $settings['mega_menu_order'][ $parent_menu_item_id ] ) ? $settings['mega_menu_order'][ $parent_menu_item_id ] : 0,
);
}
}
}
return $widgets;
}
/**
* Returns an array of widgets and second level menu items for a specified parent menu item.
* Used to display the widgets/menu items in the mega menu builder.
*
* @since 2.0
* @param int $parent_menu_item_id
* @param int $menu_id
* @return array
*/
public function get_widgets_and_menu_items_for_menu_id( $parent_menu_item_id, $menu_id ) {
$menu_items = $this->get_second_level_menu_items( $parent_menu_item_id, $menu_id );
$widgets = $this->get_widgets_for_menu_id( $parent_menu_item_id, $menu_id );
$items = array_merge( $menu_items, $widgets );
$parent_settings = get_post_meta( $parent_menu_item_id, '_megamenu', true );
$ordering = isset( $parent_settings['submenu_ordering'] ) ? $parent_settings['submenu_ordering'] : 'natural';
if ( $ordering == 'forced' ) {
uasort( $items, array( $this, 'sort_by_order' ) );
$new_items = $items;
$end_items = array();
foreach ( $items as $key => $value ) {
if ( $value['order'] == 0 ) {
unset( $new_items[ $key ] );
$end_items[] = $value;
}
}
$items = array_merge( $new_items, $end_items );
}
return $items;
}
/**
* Return a sorted array of grid data representing rows, columns and items within each column.
*
* @param int $parent_menu_item_id
* @param int $menu_id
* @since 2.4
* @return array
*/
public function get_grid_widgets_and_menu_items_for_menu_id( $parent_menu_item_id, $menu_id, $menu_items = false ) {
$meta = get_post_meta( $parent_menu_item_id, '_megamenu', true );
$saved_grid = array();
if ( isset( $meta['grid'] ) ) {
$saved_grid = $this->populate_saved_grid_data( $parent_menu_item_id, $menu_id, $meta['grid'], $menu_items );
} else {
// return empty row
$saved_grid[0]['columns'][0]['meta']['span'] = 3;
$saved_grid = $this->populate_saved_grid_data( $parent_menu_item_id, $menu_id, $saved_grid, $menu_items );
}
return $saved_grid;
}
/**
* Ensure the widgets that are within the grid data still exist and have not been deleted (through the Widgets screen)
* Ensure second level menu items saved within the grid data are still actually second level menu itms within the menu structure
*
* @param $saved_grid - array representing rows, columns and widgets/menu items within each column
* @param $second_level_menu_items - array of second level menu items beneath the current menu item
* @since 2.4
* @return array
*/
public function populate_saved_grid_data( $parent_menu_item_id, $menu_id, $saved_grid, $menu_items ) {
$second_level_menu_items = $this->get_second_level_menu_items( $parent_menu_item_id, $menu_id, $menu_items );
$menu_items_included = array();
foreach ( $saved_grid as $row => $row_data ) {
if ( isset( $row_data['columns'] ) ) {
foreach ( $row_data['columns'] as $col => $col_data ) {
if ( isset( $col_data['items'] ) ) {
foreach ( $col_data['items'] as $key => $item ) {
if ( $item['type'] == 'item' ) {
$menu_items_included[] = $item['id'];
$is_child_of_parent = false;
foreach ( $second_level_menu_items as $menu_item ) {
if ( $menu_item['id'] == $item['id'] ) {
$is_child_of_parent = true;
}
}
if ( ! $is_child_of_parent ) {
unset( $saved_grid[ $row ]['columns'][ $col ]['items'][ $key ] ); // menu item has been deleted or moved
}
} else {
if ( ! $this->get_name_for_widget_id( $item['id'] ) ) {
unset( $saved_grid[ $row ]['columns'][ $col ]['items'][ $key ] ); // widget no longer exists
}
}
}
}
}
}
}
// Find any second level menu items that have been added to the menu but are not yet within the grid data
$orphaned_items = array();
foreach ( $second_level_menu_items as $menu_item ) {
if ( ! in_array( $menu_item['id'], $menu_items_included ) ) {
$orphaned_items[] = $menu_item;
}
}
if ( ! isset( $saved_grid[0]['columns'][0]['items'][0] ) ) {
$index = 0; // grid is empty
} else {
$index = 999; // create new row
}
foreach ( $orphaned_items as $key => $menu_item ) {
$saved_grid[ $index ]['columns'][0]['meta']['span'] = 3;
$saved_grid[ $index ]['columns'][0]['items'][ $key ] = array(
'id' => $menu_item['id'],
'type' => 'item',
'title' => $menu_item['title'],
'description' => __( 'Menu Item', 'megamenu' ),
);
}
if ( is_admin() ) {
$saved_grid = $this->populate_grid_menu_item_titles( $saved_grid, $menu_id );
}
return $saved_grid;
}
/**
* Loop through the grid data and apply titles and labels to each menu item and widget.
*
* @param array $saved_grid
* @param int $menu_id
* @since 2.4
* @return array
*/
public function populate_grid_menu_item_titles( $saved_grid, $menu_id ) {
$menu_items = wp_get_nav_menu_items( $menu_id );
$menu_item_title_map = array();
foreach ( $menu_items as $item ) {
$menu_item_title_map[ $item->ID ] = $item->title;
}
foreach ( $saved_grid as $row => $row_data ) {
if ( isset( $row_data['columns'] ) ) {
foreach ( $row_data['columns'] as $col => $col_data ) {
if ( isset( $col_data['items'] ) ) {
foreach ( $col_data['items'] as $key => $item ) {
if ( $item['type'] == 'item' ) {
if ( isset( $menu_item_title_map[ $item['id'] ] ) ) {
$title = $menu_item_title_map[ $item['id'] ];
} else {
$title = __( '(no label)' );
}
$saved_grid[ $row ]['columns'][ $col ]['items'][ $key ]['title'] = $title;
$saved_grid[ $row ]['columns'][ $col ]['items'][ $key ]['description'] = __( 'Menu Item', 'megamenu' );
} else {
$saved_grid[ $row ]['columns'][ $col ]['items'][ $key ]['title'] = $this->get_title_for_widget_id( $item['id'] );
$saved_grid[ $row ]['columns'][ $col ]['items'][ $key ]['description'] = $this->get_name_for_widget_id( $item['id'] );
}
}
}
}
}
}
return $saved_grid;
}
/**
* Returns the widget data as stored in the options table
*
* @since 1.8.1
* @param string $widget_id
*/
public function get_settings_for_widget_id( $widget_id ) {
$id_base = $this->get_id_base_for_widget_id( $widget_id );
if ( ! $id_base ) {
return false;
}
$widget_number = $this->get_widget_number_for_widget_id( $widget_id );
$current_widgets = get_option( 'widget_' . $id_base );
return $current_widgets[ $widget_number ];
}
/**
* Returns the widget ID (number)
*
* @since 1.0
* @param string $widget_id - id_base-ID (eg meta-3)
* @return int
*/
public function get_widget_number_for_widget_id( $widget_id ) {
$parts = explode( '-', $widget_id );
return absint( end( $parts ) );
}
/**
* Returns the name/title of a Widget
*
* @since 1.0
* @param $widget_id - id_base-ID (eg meta-3)
* @return string e.g. "Custom HTML" or "Text"
*/
public function get_name_for_widget_id( $widget_id ) {
global $wp_registered_widgets;
if ( ! isset( $wp_registered_widgets[ $widget_id ] ) ) {
return false;
}
$registered_widget = $wp_registered_widgets[ $widget_id ];
return $registered_widget['name'];
}
/**
* Returns the title of a Widget
*
* @since 2.4
* @param $widget_id - id_base-ID (eg meta-3)
*/
public function get_title_for_widget_id( $widget_id ) {
$instance = $this->get_settings_for_widget_id( $widget_id );
if ( isset( $instance['title'] ) && strlen( $instance['title'] ) ) {
return $instance['title'];
}
return $this->get_name_for_widget_id( $widget_id );
}
/**
* Returns the id_base value for a Widget ID
*
* @since 1.0
*/
public function get_id_base_for_widget_id( $widget_id ) {
global $wp_registered_widget_controls;
if ( ! isset( $wp_registered_widget_controls[ $widget_id ] ) ) {
return false;
}
$control = $wp_registered_widget_controls[ $widget_id ];
$id_base = isset( $control['id_base'] ) ? $control['id_base'] : $control['id'];
return $id_base;
}
/**
* Returns the HTML for a single widget instance.
*
* @since 1.0
* @param string widget_id Something like meta-3
*/
public function show_widget( $id ) {
global $wp_registered_widgets;
$params = array_merge(
array(
array_merge(
array(
'widget_id' => $id,
'widget_name' => $wp_registered_widgets[ $id ]['name'],
)
),
),
(array) $wp_registered_widgets[ $id ]['params']
);
$params[0]['id'] = 'mega-menu';
$params[0]['before_title'] = apply_filters( 'megamenu_before_widget_title', '<h4 class="mega-block-title">', $wp_registered_widgets[ $id ] );
$params[0]['after_title'] = apply_filters( 'megamenu_after_widget_title', '</h4>', $wp_registered_widgets[ $id ] );
$params[0]['before_widget'] = apply_filters( 'megamenu_before_widget', '', $wp_registered_widgets[ $id ] );
$params[0]['after_widget'] = apply_filters( 'megamenu_after_widget', '', $wp_registered_widgets[ $id ] );
if ( defined( 'MEGAMENU_DYNAMIC_SIDEBAR_PARAMS' ) && MEGAMENU_DYNAMIC_SIDEBAR_PARAMS ) {
$params[0]['before_widget'] = apply_filters( 'megamenu_before_widget', '<div id="" class="">', $wp_registered_widgets[ $id ] );
$params[0]['after_widget'] = apply_filters( 'megamenu_after_widget', '</div>', $wp_registered_widgets[ $id ] );
$params = apply_filters( 'dynamic_sidebar_params', $params );
}
$callback = $wp_registered_widgets[ $id ]['callback'];
if ( is_callable( $callback ) ) {
ob_start();
call_user_func_array( $callback, $params );
return ob_get_clean();
}
}
/**
* Returns the class name for a widget instance.
*
* @since 1.8.1
* @param string widget_id Something like meta-3
*/
public function get_widget_class( $id ) {
global $wp_registered_widgets;
if ( isset( $wp_registered_widgets[ $id ]['classname'] ) ) {
return $wp_registered_widgets[ $id ]['classname'];
}
return '';
}
/**
* Shows the widget edit form for the specified widget.
*
* @since 1.0
* @param $widget_id - id_base-ID (eg meta-3)
*/
public function show_widget_form( $widget_id ) {
global $wp_registered_widget_controls;
$control = $wp_registered_widget_controls[ $widget_id ];
$id_base = $this->get_id_base_for_widget_id( $widget_id );
$widget_number = $this->get_widget_number_for_widget_id( $widget_id );
$nonce = wp_create_nonce( 'megamenu_save_widget_' . $widget_id );
?>
<form method='post'>
<input type="hidden" name="widget-id" class="widget-id" value="<?php echo esc_attr( $widget_id ); ?>" />
<input type='hidden' name='action' value='mm_save_widget' />
<input type='hidden' name='id_base' class="id_base" value='<?php echo esc_attr( $id_base ); ?>' />
<input type='hidden' name='widget_id' value='<?php echo esc_attr( $widget_id ); ?>' />
<input type='hidden' name='_wpnonce' value='<?php echo esc_attr( $nonce ); ?>' />
<div class='widget-content'>
<?php
if ( is_callable( $control['callback'] ) ) {
call_user_func_array( $control['callback'], $control['params'] );
}
?>
<div class='widget-controls'>
<a class='delete' href='#delete'><?php _e( 'Delete', 'megamenu' ); ?></a> |
<a class='close' href='#close'><?php _e( 'Close', 'megamenu' ); ?></a>
</div>
<?php
submit_button( __( 'Save' ), 'button-primary alignright', 'savewidget', false );
?>
</div>
</form>
<?php
}
/**
* Saves a widget. Calls the update callback on the widget.
* The callback inspects the post values and updates all widget instances which match the base ID.
*
* @since 1.0
* @param string $id_base - e.g. 'meta'
* @return bool
*/
public function save_widget( $id_base ) {
global $wp_registered_widget_updates;
$control = $wp_registered_widget_updates[ $id_base ];
if ( is_callable( $control['callback'] ) ) {
call_user_func_array( $control['callback'], $control['params'] );
do_action( 'megamenu_after_widget_save' );
return true;
}
return false;
}
/**
* Adds a widget to WordPress. First creates a new widget instance, then
* adds the widget instance to the mega menu widget sidebar area.
*
* @since 1.0
* @param string $id_base
* @param int $menu_item_id
* @param string $title
*/
public function add_widget( $id_base, $menu_item_id, $title, $is_grid_widget ) {
require_once( ABSPATH . 'wp-admin/includes/widgets.php' );
$next_id = next_widget_id_number( $id_base );
$this->add_widget_instance( $id_base, $next_id, $menu_item_id, $is_grid_widget );
$widget_id = $this->add_widget_to_sidebar( $id_base, $next_id );
$return = '<div class="widget" title="' . esc_attr( $title ) . '" data-columns="2" id="' . $widget_id . '" data-type="widget" data-id="' . $widget_id . '">';
$return .= ' <div class="widget-top">';
$return .= ' <div class="widget-title-action">';
if ( ! $is_grid_widget ) {
$return .= ' <a class="widget-option widget-contract" title="' . esc_attr( __( 'Contract', 'megamenu' ) ) . '"></a>';
$return .= ' <span class="widget-cols"><span class="widget-num-cols">2</span><span class="widget-of">/</span><span class="widget-total-cols">X</span></span>';
$return .= ' <a class="widget-option widget-expand" title="' . esc_attr( __( 'Expand', 'megamenu' ) ) . '"></a>';
}
$return .= ' <a class="widget-option widget-action" title="' . esc_attr( __( 'Edit', 'megamenu' ) ) . '"></a>';
$return .= ' </div>';
$return .= ' <div class="widget-title">';
$return .= ' <h4>' . esc_html( $title ) . '</h4>';
if ( $is_grid_widget ) {
$return .= ' <span class="widget-desc">' . esc_html( $title ) . '</span>';
}
$return .= ' </div>';
$return .= ' </div>';
$return .= ' <div class="widget-inner widget-inside"></div>';
$return .= '</div>';
return $return;
}
/**
* Adds a new widget instance of the specified base ID to the database.
*
* @since 1.0
* @param string $id_base
* @param int $next_id
* @param int $menu_item_id
*/
private function add_widget_instance( $id_base, $next_id, $menu_item_id, $is_grid_widget ) {
$current_widgets = get_option( 'widget_' . $id_base );
$current_widgets[ $next_id ] = array(
'mega_menu_columns' => 2,
'mega_menu_parent_menu_id' => $menu_item_id,
);
if ( $is_grid_widget ) {
$current_widgets[ $next_id ] = array(
'mega_menu_is_grid_widget' => 'true',
);
}
update_option( 'widget_' . $id_base, $current_widgets );
}
/**
* Removes a widget instance from the database
*
* @since 1.0
* @param string $widget_id e.g. meta-3
* @return bool. True if widget has been deleted.
*/
private function remove_widget_instance( $widget_id ) {
$id_base = $this->get_id_base_for_widget_id( $widget_id );
$widget_number = $this->get_widget_number_for_widget_id( $widget_id );
// add blank widget
$current_widgets = get_option( 'widget_' . $id_base );
if ( isset( $current_widgets[ $widget_number ] ) ) {
unset( $current_widgets[ $widget_number ] );
update_option( 'widget_' . $id_base, $current_widgets );
return true;
}
return false;
}
/**
* Updates the number of mega columns for a specified widget.
*
* @since 1.0
* @param string $widget_id
* @param int $columns
*/
public function update_widget_columns( $widget_id, $columns ) {
$id_base = $this->get_id_base_for_widget_id( $widget_id );
$widget_number = $this->get_widget_number_for_widget_id( $widget_id );
$current_widgets = get_option( 'widget_' . $id_base );
$current_widgets[ $widget_number ]['mega_menu_columns'] = absint( $columns );
update_option( 'widget_' . $id_base, $current_widgets );
do_action( 'megamenu_after_widget_save' );
return true;
}
/**
* Updates the number of mega columns for a specified widget.
*
* @since 1.10
* @param string $menu_item_id
* @param int $columns
*/
public function update_menu_item_columns( $menu_item_id, $columns ) {
$existing_settings = get_post_meta( $menu_item_id, '_megamenu', true );
$submitted_settings = array(
'mega_menu_columns' => absint( $columns ),
);
if ( is_array( $existing_settings ) ) {
$submitted_settings = array_merge( $existing_settings, $submitted_settings );
}
update_post_meta( $menu_item_id, '_megamenu', $submitted_settings );
return true;
}
/**
* Updates the order of a specified widget.
*
* @since 1.10
* @param string $widget_id
* @param int $columns
*/
public function update_widget_order( $widget_id, $order, $parent_menu_item_id ) {
$id_base = $this->get_id_base_for_widget_id( $widget_id );
$widget_number = $this->get_widget_number_for_widget_id( $widget_id );
$current_widgets = get_option( 'widget_' . $id_base );
$current_widgets[ $widget_number ]['mega_menu_order'] = array( $parent_menu_item_id => absint( $order ) );
update_option( 'widget_' . $id_base, $current_widgets );
return true;
}
/**
* Updates the order of a specified menu item.
*
* @since 1.10
* @param string $menu_item_id
* @param int $order
*/
public function update_menu_item_order( $menu_item_id, $order, $parent_menu_item_id ) {
$submitted_settings['mega_menu_order'] = array( $parent_menu_item_id => absint( $order ) );
$existing_settings = get_post_meta( $menu_item_id, '_megamenu', true );
if ( is_array( $existing_settings ) ) {
$submitted_settings = array_merge( $existing_settings, $submitted_settings );
}
update_post_meta( $menu_item_id, '_megamenu', $submitted_settings );
return true;
}
/**
* Deletes a widget from WordPress
*
* @since 1.0
* @param string $widget_id e.g. meta-3
*/
public function delete_widget( $widget_id ) {
$this->remove_widget_from_sidebar( $widget_id );
$this->remove_widget_instance( $widget_id );
do_action( 'megamenu_after_widget_delete' );
return true;
}
/**
* Moves a widget from one position to another.
*
* @since 1.10
* @param array $items
* @return string $widget_id. The widget that has been moved.
*/
public function reorder_items( $items ) {
foreach ( $items as $item ) {
if ( $item['parent_menu_item'] ) {
$submitted_settings = array( 'submenu_ordering' => 'forced' );
$existing_settings = get_post_meta( $item['parent_menu_item'], '_megamenu', true );
if ( is_array( $existing_settings ) ) {
$submitted_settings = array_merge( $existing_settings, $submitted_settings );
}
update_post_meta( $item['parent_menu_item'], '_megamenu', $submitted_settings );
}
if ( $item['type'] == 'widget' ) {
$this->update_widget_order( $item['id'], $item['order'], $item['parent_menu_item'] );
}
if ( $item['type'] == 'menu_item' ) {
$this->update_menu_item_order( $item['id'], $item['order'], $item['parent_menu_item'] );
}
}
return true;
}
/**
* Adds a widget to the Mega Menu widget sidebar
*
* @since 1.0
*/
private function add_widget_to_sidebar( $id_base, $next_id ) {
$widget_id = $id_base . '-' . $next_id;
$sidebar_widgets = $this->get_mega_menu_sidebar_widgets();
$sidebar_widgets[] = $widget_id;
$this->set_mega_menu_sidebar_widgets( $sidebar_widgets );
do_action( 'megamenu_after_widget_add' );
return $widget_id;
}
/**
* Removes a widget from the Mega Menu widget sidebar
*
* @since 1.0
* @return string The widget that was removed
*/
private function remove_widget_from_sidebar( $widget_id ) {
$widgets = $this->get_mega_menu_sidebar_widgets();
$new_mega_menu_widgets = array();
foreach ( $widgets as $widget ) {
if ( $widget != $widget_id ) {
$new_mega_menu_widgets[] = $widget;
}
}
$this->set_mega_menu_sidebar_widgets( $new_mega_menu_widgets );
return $widget_id;
}
/**
* Returns an unfiltered array of all widgets in our sidebar
*
* @since 1.0
* @return array
*/
public function get_mega_menu_sidebar_widgets() {
$sidebar_widgets = wp_get_sidebars_widgets();
if ( ! isset( $sidebar_widgets['mega-menu'] ) ) {
return false;
}
return $sidebar_widgets['mega-menu'];
}
/**
* Sets the sidebar widgets
*
* @since 1.0
*/
private function set_mega_menu_sidebar_widgets( $widgets ) {
$sidebar_widgets = wp_get_sidebars_widgets();
$sidebar_widgets['mega-menu'] = $widgets;
wp_set_sidebars_widgets( $sidebar_widgets );
}
/**
* Clear the cache when the Mega Menu is updated.
*
* @since 1.0
*/
public function clear_caches() {
// https://wordpress.org/plugins/widget-output-cache/
if ( function_exists( 'menu_output_cache_bump' ) ) {
menu_output_cache_bump();
}
// https://wordpress.org/plugins/widget-output-cache/
if ( function_exists( 'widget_output_cache_bump' ) ) {
widget_output_cache_bump();
}
}
/**
* Send JSON response.
*
* Remove any warnings or output from other plugins which may corrupt the response
*
* @param string $json
* @since 1.8
*/
public function send_json_success( $json ) {
if ( ob_get_contents() ) {
ob_clean();
}
wp_send_json_success( $json );
}
/**
* Send JSON response.
*
* Remove any warnings or output from other plugins which may corrupt the response
*
* @param string $json
* @since 1.8
*/
public function send_json_error( $json ) {
if ( ob_get_contents() ) {
ob_clean();
}
wp_send_json_error( $json );
}
}
endif;
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