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<?php |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; // Exit if accessed directly. |
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} |
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|
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/** |
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* Posts Widget |
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* |
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* @package Essential_Widgets |
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*/ |
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|
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|
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if ( ! class_exists( 'EW_Posts' ) ) : |
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/** |
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* Makes a custom Widget for Displaying About |
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* |
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* Learn more: http://codex.wordpress.org/Widgets_API#Developing_Widgets |
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* |
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* @package Essential_Widgets |
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*/ |
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class EW_Posts extends WP_Widget { |
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|
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|
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/** |
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* Holds widget settings defaults, populated in constructor. |
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* |
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* @var array |
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*/ |
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protected $defaults; |
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|
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public function __construct() { |
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$this->defaults = array( |
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'title' => esc_attr__( 'Posts', 'essential-widgets' ), |
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'post_type' => array( 'post' ), |
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'order' => 'DESC', |
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'orderby' => 'date', |
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'number' => 10, |
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'show_date' => false, |
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'show_author' => false, |
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); |
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|
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$widget_ops = array( |
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'classname' => 'essential-widgets ew-posts ewposts', |
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'description' => esc_html__( 'Displays a list of posts.', 'essential-widgets' ), |
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); |
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|
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$control_ops = array( |
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'id_base' => 'ew-posts', |
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); |
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|
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parent::__construct( |
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'ew-posts', // Base ID |
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esc_html__( 'EW: Posts', 'essential-widgets' ), // Name |
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$widget_ops, |
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$control_ops |
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); |
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} |
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|
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/** |
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* Displays the widget control options in the Widgets admin screen. |
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* |
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* @since 1.0.0 |
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* @access public |
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* @param array $instance |
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* @param void |
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*/ |
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public function form( $instance ) { |
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// Merge the user-selected arguments with the defaults. |
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$instance = wp_parse_args( (array) $instance, $this->defaults ); |
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|
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// <select> element options. |
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$types = get_post_types( array( 'public' => true ), 'objects' ); |
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|
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$order = array( |
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'ASC' => esc_attr__( 'Ascending', 'essential-widgets' ), |
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'DESC' => esc_attr__( 'Descending', 'essential-widgets' ), |
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); |
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|
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$orderby = array( |
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'author' => esc_attr__( 'Author', 'essential-widgets' ), |
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'name' => esc_attr__( 'Slug', 'essential-widgets' ), |
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'none' => esc_attr__( 'None', 'essential-widgets' ), |
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'type' => esc_attr__( 'Type', 'essential-widgets' ), |
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'date' => esc_attr__( 'Date', 'essential-widgets' ), |
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'ID' => esc_attr__( 'ID', 'essential-widgets' ), |
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'modified' => esc_attr__( 'Date (Modified)', 'essential-widgets' ), |
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'parent' => esc_attr__( 'Parent', 'essential-widgets' ), |
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'comment_count' => esc_attr__( 'Comment Count', 'essential-widgets' ), |
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'menu_order' => esc_attr__( 'Menu Order', 'essential-widgets' ), |
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'title' => esc_attr__( 'Title', 'essential-widgets' ), |
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); ?> |
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|
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<p> |
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<label> |
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<?php esc_html_e( 'Title:', 'essential-widgets' ); ?> |
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<input type="text" class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" value="<?php echo esc_attr( $instance['title'] ); ?>" placeholder="<?php echo esc_attr( $this->defaults['title'] ); ?>" /> |
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</label> |
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</p> |
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|
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<?php esc_html_e( 'Post Type:', 'essential-widgets' ); ?> |
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|
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<div class="wp-tab-panel"> |
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<ul> |
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<?php foreach ( $types as $type ) : ?> |
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|
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<li> |
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<label> |
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<input type="checkbox" name="<?php echo esc_attr( $this->get_field_name( 'post_type' ) ); ?>[]" value="<?php echo esc_attr( $type->name ); ?>" <?php checked( in_array( $type->name, (array) $instance['post_type'] ) ); ?> /> |
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<?php echo esc_html( $type->labels->singular_name ); ?> |
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</label> |
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</li> |
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|
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<?php endforeach; ?> |
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</ul> |
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</div> |
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|
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<p> |
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<label> |
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<?php esc_html_e( 'Number:', 'essential-widgets' ); ?> |
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<input |
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type="number" |
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min="1" |
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size="3" |
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class="widefat" |
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name="<?php echo esc_attr( $this->get_field_name( 'number' ) ); ?>" |
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value="<?php echo esc_attr( $instance['number'] ); ?>" |
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placeholder="<?php echo esc_attr( $this->defaults['number'] ); ?>" |
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/> |
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</label> |
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</p> |
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|
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<p> |
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<label> |
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<?php esc_html_e( 'Order:', 'essential-widgets' ); ?> |
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|
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<select class="widefat" name="<?php echo esc_attr( $this->get_field_name( 'order' ) ); ?>"> |
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<?php foreach ( $order as $option_value => $option_label ) : ?> |
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<option value="<?php echo esc_attr( $option_value ); ?>" <?php selected( $instance['order'], $option_value ); ?>> |
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<?php echo esc_html( $option_label ); ?> |
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</option> |
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<?php endforeach; ?> |
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</select> |
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</label> |
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</p> |
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|
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<p> |
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<label> |
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<?php esc_html_e( 'Order By:', 'essential-widgets' ); ?> |
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|
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<select class="widefat" name="<?php echo esc_attr( $this->get_field_name( 'orderby' ) ); ?>"> |
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<?php foreach ( $orderby as $option_value => $option_label ) : ?> |
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<option value="<?php echo esc_attr( $option_value ); ?>" <?php selected( $instance['orderby'], $option_value ); ?>> |
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<?php echo esc_html( $option_label ); ?> |
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</option> |
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<?php endforeach; ?> |
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</select> |
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</label> |
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</p> |
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|
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<p> |
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<label> |
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<input type="checkbox" <?php checked( $instance['show_date'], true ); ?> name="<?php echo esc_attr( $this->get_field_name( 'show_date' ) ); ?>" /> |
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<?php esc_html_e( 'Display post date?', 'essential-widgets' ); ?> |
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</label> |
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</p> |
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|
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<p> |
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<label> |
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<input type="checkbox" <?php checked( $instance['show_author'], true ); ?> name="<?php echo esc_attr( $this->get_field_name( 'show_author' ) ); ?>" /> |
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<?php esc_html_e( 'Display post author?', 'essential-widgets' ); ?> |
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</label> |
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</p> |
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<?php |
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} |
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|
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|
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/** |
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* update the particular instant |
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* |
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* This function should check that $new_instance is set correctly. |
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* The newly calculated value of $instance should be returned. |
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* If "false" is returned, the instance won't be saved/updated. |
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* |
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* $new_instance New settings for this instance as input by the user via form() |
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* $old_instance Old settings for this instance |
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* Settings to save or bool false to cancel saving |
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*/ |
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public function update( $new_instance, $old_instance ) { |
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$instance = $old_instance; |
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|
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// Sanitize title. |
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$instance['title'] = sanitize_text_field( $new_instance['title'] ); |
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|
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// Sanitize key. |
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$instance['post_type'] = array_map( 'sanitize_key', $new_instance['post_type'] ); |
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|
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// Whitelist options. |
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$order = array( 'ASC', 'DESC' ); |
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$orderby = array( 'author', 'name', 'none', 'type', 'date', 'ID', 'modified', 'parent', 'comment_count', 'menu_order', 'title' ); |
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|
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$instance['order'] = in_array( $new_instance['order'], $order ) ? $new_instance['order'] : 'DESC'; |
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$instance['orderby'] = in_array( $new_instance['orderby'], $orderby ) ? $new_instance['orderby'] : 'date'; |
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|
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// Integers. |
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$instance['number'] = intval( $new_instance['number'] ); |
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|
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// Checkboxes. |
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$instance['show_date'] = isset( $new_instance['show_date'] ) ? 1 : 0; |
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$instance['show_author'] = isset( $new_instance['show_author'] ) ? 1 : 0; |
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|
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// Return sanitized options. |
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return $instance; |
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} |
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|
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/** |
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* Displays the Widget in the front-end. |
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* |
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* $args Display arguments including before_title, after_title, before_widget, and after_widget. |
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* $instance The settings for the particular instance of the widget |
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*/ |
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public function widget( $args, $instance ) { |
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// Merge instance with defaults. |
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$instance = wp_parse_args( $instance, $this->defaults ); |
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|
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$loop = new \WP_Query( |
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array( |
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'posts_per_page' => $instance['number'], |
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'post_type' => $instance['post_type'], |
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'order' => $instance['order'], |
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'orderby' => $instance['orderby'], |
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'no_found_rows' => true, |
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'post_status' => 'publish', |
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'ignore_sticky_posts' => true, |
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) |
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); |
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|
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if ( $loop->have_posts() ) : |
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|
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// Escape widget wrapper attributes. |
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echo wp_kses_post( $args['before_widget'] ); |
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|
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// If a title was input by the user, display it safely. |
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if ( ! empty( $instance['title'] ) ) { |
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echo wp_kses_post( $args['before_title'] ); |
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|
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// Apply filters to title, then escape it for output |
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$title = apply_filters( 'widget_title', $instance['title'], $instance, $this->id_base ); |
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echo esc_html( $title ); |
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|
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echo wp_kses_post( $args['after_title'] ); |
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} |
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|
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// Output the main content of the widget (shortcode output) |
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echo wp_kses_post( $this->shortcode( $instance ) ); |
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|
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// Close the widget wrapper safely. |
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echo wp_kses_post( $args['after_widget'] ); |
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|
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wp_reset_postdata(); |
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|
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endif; |
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} |
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|
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public function shortcode( $atts ) { |
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$atts = wp_parse_args( $atts, $this->defaults ); |
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|
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$loop = new \WP_Query( |
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array( |
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'posts_per_page' => $atts['number'], |
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'post_type' => $atts['post_type'], |
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'order' => $atts['order'], |
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'orderby' => $atts['orderby'], |
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'no_found_rows' => true, |
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'post_status' => 'publish', |
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'ignore_sticky_posts' => true, |
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) |
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); |
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|
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$output = ''; |
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|
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// Only show this title in block element and not on widget. |
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if ( isset( $atts['is_block'] ) && true === $atts['is_block'] && !empty( $atts['title'] ) ) { |
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$output .= '<h2 class="ew-post-block-title">' . esc_html( $atts['title'] ) . '</h2>'; |
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} |
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|
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// Output the page list. |
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$output .= '<ul>'; |
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while ( $loop->have_posts() ) : |
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$loop->the_post(); |
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|
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$output .= '<li>'; |
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$output .= '<a href=' . get_the_permalink() . '>' . get_the_title() . '</a>'; |
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|
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if ( $atts['show_author'] ) : |
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$output .= '<span class="post-author"> by ' . get_the_author() . '</span>'; |
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endif; |
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|
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if ( $atts['show_date'] ) : |
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$output .= '<span class="post-date">' . get_the_date() . '</span>'; |
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endif; |
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$output .= '</li>'; |
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|
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endwhile; |
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|
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$output .= '</ul>'; |
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return $output; |
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} |
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} |
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endif; |
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|
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|
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if ( ! function_exists( 'ew_posts_register' ) ) : |
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/** |
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* Intiate About_Widget Class. |
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* |
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* @since 1.0.0 |
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*/ |
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function ew_posts_register() { |
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register_widget( 'EW_Posts' ); |
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} |
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add_action( 'widgets_init', 'ew_posts_register' ); |
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endif; |
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|
