widget.class.php
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<?php
if ( ! defined( 'ABSPATH' ) ) {
exit; // disable direct access
}
if ( ! class_exists( 'Mega_Menu_Widget' ) ) :
/**
* Outputs a registered menu location using wp_nav_menu
*/
class Mega_Menu_Widget extends WP_Widget {
/**
* Register widget with WordPress.
*/
public function __construct() {
parent::__construct(
'maxmegamenu', // Base ID
__( 'Max Mega Menu', 'megamenu' ), // Name
array( 'description' => __( 'Outputs a menu for a selected theme location.', 'megamenu' ) ) // Args
);
}
/**
* Front-end display of widget.
*
* @since 1.7.4
* @see WP_Widget::widget()
* @param array $args Widget arguments.
* @param array $instance Saved values from database.
*/
public function widget( $args, $instance ) {
if ( ! is_array( $args ) ) {
$args = array(
'before_widget' => '',
'after_widget' => '',
);
}
extract( $args );
if ( isset( $instance['location'] ) ) {
$location = $instance['location'];
$title = isset( $instance['title'] ) ? apply_filters( 'widget_title', $instance['title'] ) : "";
echo $before_widget;
if ( ! empty( $title ) ) {
echo $before_title . $title . $after_title;
}
if ( has_nav_menu( $location ) ) {
wp_nav_menu( array( 'theme_location' => $location ) );
}
echo $after_widget;
}
}
/**
* Sanitize widget form values as they are saved.
*
* @since 1.7.4
* @see WP_Widget::update()
* @param array $new_instance Values just sent to be saved.
* @param array $old_instance Previously saved values from database.
* @return array Updated safe values to be saved.
*/
public function update( $new_instance, $old_instance ) {
$instance = array();
$instance['location'] = strip_tags( $new_instance['location'] );
$instance['title'] = strip_tags( $new_instance['title'] );
return $instance;
}
/**
* Back-end widget form.
*
* @since 1.7.4
* @see WP_Widget::form()
* @param array $instance Previously saved values from database.
*/
public function form( $instance ) {
$selected_location = 0;
$title = '';
$locations = get_registered_nav_menus();
if ( isset( $instance['location'] ) ) {
$selected_location = $instance['location'];
}
if ( isset( $instance['title'] ) ) {
$title = $instance['title'];
}
?>
<p>
<?php if ( $locations ) { ?>
<p>
<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:', 'megamenu' ); ?></label>
<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" />
</p>
<label for="<?php echo $this->get_field_id( 'location' ); ?>"><?php _e( 'Menu Location:', 'megamenu' ); ?></label>
<select id="<?php echo $this->get_field_id( 'location' ); ?>" name="<?php echo $this->get_field_name( 'location' ); ?>">
<?php
if ( $selected_location === 0 ) {
echo "<option selected='true' disabled='disabled'>" . __( 'Select location', 'megamenu' ) . '</option>';
}
?>
<?php
$enabled_locations = array();
$disabled_locations = array();
foreach ( $locations as $location => $description ) {
if ( max_mega_menu_is_enabled( $location ) ) {
$enabled_locations[ $location ] = $description;
} else {
$disabled_locations[ $location ] = $description;
}
}
if ( count( $enabled_locations ) ) {
echo "<optgroup label='✓ " . __( 'Active locations', 'megamenu' ) . "'>";
foreach ( $enabled_locations as $location => $description ) {
echo "<option value='{$location}'" . selected( $location, $selected_location ) . ">{$description}</option>";
}
echo '</optgroup>';
}
if ( count( $disabled_locations ) ) {
echo "<optgroup label='✘ " . __( 'Inactive locations', 'megamenu' ) . "'>";
foreach ( $disabled_locations as $location => $description ) {
echo "<option value='{$location}'" . selected( $location, $selected_location ) . ">{$description}</option>";
}
echo '</optgroup>';
}
?>
</select>
<?php
} else {
_e( 'No menu locations found', 'megamenu' );
}
?>
</p>
<?php
}
}
endif;