WP_Widget_Archives{} WP 1.0
Core class used to implement the Archives widget.
Return
Null. Nothing.
Usage
$WP_Widget_Archives = new WP_Widget_Archives();
// use class methods
Notes
Changelog
<?php
class WP_Widget_Archives extends WP_Widget {
/**
* Sets up a new Archives widget instance.
*
* @since 2.8.0
*/
public function __construct() {
$widget_ops = array(
'classname' => 'widget_archive',
'description' => __( 'A monthly archive of your site’s Posts.' ),
'customize_selective_refresh' => true,
);
parent::__construct( 'archives', __( 'Archives' ), $widget_ops );
}
/**
* Outputs the content for the current Archives widget instance.
*
* @since 2.8.0
*
* @param array $args Display arguments including 'before_title', 'after_title',
* 'before_widget', and 'after_widget'.
* @param array $instance Settings for the current Archives widget instance.
*/
public function widget( $args, $instance ) {
$title = ! empty( $instance['title'] ) ? $instance['title'] : __( 'Archives' );
/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
$c = ! empty( $instance['count'] ) ? '1' : '0';
$d = ! empty( $instance['dropdown'] ) ? '1' : '0';
echo $args['before_widget'];
if ( $title ) {
echo $args['before_title'] . $title . $args['after_title'];
}
if ( $d ) {
$dropdown_id = "{$this->id_base}-dropdown-{$this->number}";
?>
<label class="screen-reader-text" for="<?php echo esc_attr( $dropdown_id ); ?>"><?php echo $title; ?></label>
<select id="<?php echo esc_attr( $dropdown_id ); ?>" name="archive-dropdown">
<?php
/**
* Filters the arguments for the Archives widget drop-down.
*
* @since 2.8.0
* @since 4.9.0 Added the `$instance` parameter.
*
* @see wp_get_archives()
*
* @param array $args An array of Archives widget drop-down arguments.
* @param array $instance Settings for the current Archives widget instance.
*/
$dropdown_args = apply_filters(
'widget_archives_dropdown_args',
array(
'type' => 'monthly',
'format' => 'option',
'show_post_count' => $c,
),
$instance
);
switch ( $dropdown_args['type'] ) {
case 'yearly':
$label = __( 'Select Year' );
break;
case 'monthly':
$label = __( 'Select Month' );
break;
case 'daily':
$label = __( 'Select Day' );
break;
case 'weekly':
$label = __( 'Select Week' );
break;
default:
$label = __( 'Select Post' );
break;
}
$type_attr = current_theme_supports( 'html5', 'script' ) ? '' : ' type="text/javascript"';
?>
<option value=""><?php echo esc_attr( $label ); ?></option>
<?php wp_get_archives( $dropdown_args ); ?>
</select>
<script<?php echo $type_attr; ?>>
/* <![CDATA[ */
(function() {
var dropdown = document.getElementById( "<?php echo esc_js( $dropdown_id ); ?>" );
function onSelectChange() {
if ( dropdown.options[ dropdown.selectedIndex ].value !== '' ) {
document.location.href = this.options[ this.selectedIndex ].value;
}
}
dropdown.onchange = onSelectChange;
})();
/* ]]> */
</script>
<?php } else { ?>
<ul>
<?php
/**
* Filters the arguments for the Archives widget.
*
* @since 2.8.0
* @since 4.9.0 Added the `$instance` parameter.
*
* @see wp_get_archives()
*
* @param array $args An array of Archives option arguments.
* @param array $instance Array of settings for the current widget.
*/
wp_get_archives(
apply_filters(
'widget_archives_args',
array(
'type' => 'monthly',
'show_post_count' => $c,
),
$instance
)
);
?>
</ul>
<?php
}
echo $args['after_widget'];
}
/**
* Handles updating settings for the current Archives widget instance.
*
* @since 2.8.0
*
* @param array $new_instance New settings for this instance as input by the user via
* WP_Widget_Archives::form().
* @param array $old_instance Old settings for this instance.
* @return array Updated settings to save.
*/
public function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$new_instance = wp_parse_args(
(array) $new_instance,
array(
'title' => '',
'count' => 0,
'dropdown' => '',
)
);
$instance['title'] = sanitize_text_field( $new_instance['title'] );
$instance['count'] = $new_instance['count'] ? 1 : 0;
$instance['dropdown'] = $new_instance['dropdown'] ? 1 : 0;
return $instance;
}
/**
* Outputs the settings form for the Archives widget.
*
* @since 2.8.0
*
* @param array $instance Current settings.
*/
public function form( $instance ) {
$instance = wp_parse_args(
(array) $instance,
array(
'title' => '',
'count' => 0,
'dropdown' => '',
)
);
?>
<p><label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></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( $instance['title'] ); ?>" /></p>
<p>
<input class="checkbox" type="checkbox"<?php checked( $instance['dropdown'] ); ?> id="<?php echo $this->get_field_id( 'dropdown' ); ?>" name="<?php echo $this->get_field_name( 'dropdown' ); ?>" /> <label for="<?php echo $this->get_field_id( 'dropdown' ); ?>"><?php _e( 'Display as dropdown' ); ?></label>
<br/>
<input class="checkbox" type="checkbox"<?php checked( $instance['count'] ); ?> id="<?php echo $this->get_field_id( 'count' ); ?>" name="<?php echo $this->get_field_name( 'count' ); ?>" /> <label for="<?php echo $this->get_field_id( 'count' ); ?>"><?php _e( 'Show post counts' ); ?></label>
</p>
<?php
}
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