'anderson_category_posts_grid',
'description' => esc_html__( 'Displays your posts from a selected category in a grid layout. Please use this widget ONLY in the Magazine Homepage widget area.', 'anderson-lite' ),
'customize_selective_refresh' => true,
);
parent::__construct('anderson_category_posts_grid', sprintf( esc_html__( 'Category Posts: Grid (%s)', 'anderson-lite' ), 'Anderson' ), $widget_ops);
// Delete Widget Cache on certain actions
add_action( 'save_post', array( $this, 'delete_widget_cache' ) );
add_action( 'deleted_post', array( $this, 'delete_widget_cache' ) );
add_action( 'switch_theme', array( $this, 'delete_widget_cache' ) );
}
public function delete_widget_cache() {
wp_cache_delete('widget_anderson_category_posts_grid', 'widget');
}
private function default_settings() {
$defaults = array(
'title' => '',
'category' => 0,
'number' => 6,
'thumbnails' => true,
'category_link' => false,
'postmeta' => true
);
return $defaults;
}
// Display Widget
function widget( $args, $instance ) {
$cache = array();
// Get Widget Object Cache
if ( ! $this->is_preview() ) {
$cache = wp_cache_get( 'widget_anderson_category_posts_grid', 'widget' );
}
if ( ! is_array( $cache ) ) {
$cache = array();
}
// Display Widget from Cache if exists
if ( isset( $cache[ $this->id ] ) ) {
echo $cache[ $this->id ];
return;
}
// Start Output Buffering
ob_start();
// Get Widget Settings
$settings = wp_parse_args( $instance, $this->default_settings() );
// Add Widget Title Filter
$widget_title = apply_filters('widget_title', $settings['title'], $settings, $this->id_base);
// Output
echo $args['before_widget'];
?>
display_widget_title( $args, $settings ); ?>
render( $settings ); ?>
>
', esc_url( get_permalink() ) ), '' ); ?>
display_meta_date( $settings ); ?>
>
display_thumbnail(); ?>
', esc_url( get_permalink() ) ), '' ); ?>
display_postmeta( $settings ); ?>
display_meta_date( $settings ); ?>
%3$s',
esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
esc_attr( sprintf( esc_html__( 'View all posts by %s', 'anderson-lite' ), get_the_author() ) ),
get_the_author()
);
?>
',
esc_url( get_permalink() ),
esc_attr( get_the_time() ),
esc_attr( get_the_date( 'c' ) ),
esc_html( get_the_date() )
);
?>
id_base);
if( !empty( $widget_title ) ) :
echo $args['before_title'];
// Link Category Title
if( $settings['category_link'] == true ) :
// Check if "All Categories" is selected
if( $settings['category'] == 0 ) :
$link_title = esc_html__( 'View all posts', 'anderson-lite' );
// Set Link URL to always point to latest posts page
if ( get_option( 'show_on_front' ) == 'page' ) :
$link_url = esc_url( get_permalink( get_option( 'page_for_posts' ) ) );
else :
$link_url = esc_url( home_url('/') );
endif;
else :
// Set Link URL and Title for Category
$link_title = sprintf( esc_html__( 'View all posts from category %s', 'anderson-lite' ), get_cat_name( $settings['category'] ) );
$link_url = esc_url( get_category_link( $settings['category'] ) );
endif;
// Display linked Widget Title
echo ''. $widget_title . '';
else:
echo $widget_title;
endif;
echo $args['after_title'];
endif;
}
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = sanitize_text_field($new_instance['title'] );
$instance['category'] = (int)$new_instance['category'];
$instance['number'] = (int)$new_instance['number'];
$instance['thumbnails'] = !empty($new_instance['thumbnails'] );
$instance['category_link'] = !empty($new_instance['category_link'] );
$instance['postmeta'] = !empty($new_instance['postmeta'] );
$this->delete_widget_cache();
return $instance;
}
function form( $instance ) {
// Get Widget Settings
$settings = wp_parse_args( $instance, $this->default_settings() );
?>
esc_html__( 'All Categories', 'anderson-lite' ),
'show_count' => true,
'hide_empty' => false,
'selected' => $settings['category'],
'name' => $this->get_field_name('category'),
'id' => $this->get_field_id('category')
);
wp_dropdown_categories( $args );
?>