189 líneas
7,1 KiB
PHP
189 líneas
7,1 KiB
PHP
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<?php
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/**
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* Widget API: WP_Widget_Links class
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*
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* @package WordPress
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* @subpackage Widgets
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* @since 4.4.0
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*/
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/**
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* Core class used to implement a Links widget.
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*
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* @since 2.8.0
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*
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* @see WP_Widget
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*/
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class WP_Widget_Links extends WP_Widget {
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/**
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* Sets up a new Links widget instance.
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*
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* @since 2.8.0
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*/
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public function __construct() {
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$widget_ops = array(
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'description' => __( 'Your blogroll' ),
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'customize_selective_refresh' => true,
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);
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parent::__construct( 'links', __( 'Links' ), $widget_ops );
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}
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/**
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* Outputs the content for the current Links widget instance.
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*
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* @since 2.8.0
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*
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* @param array $args Display arguments including 'before_title', 'after_title',
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* 'before_widget', and 'after_widget'.
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* @param array $instance Settings for the current Links widget instance.
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*/
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public function widget( $args, $instance ) {
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$show_description = isset( $instance['description'] ) ? $instance['description'] : false;
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$show_name = isset( $instance['name'] ) ? $instance['name'] : false;
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$show_rating = isset( $instance['rating'] ) ? $instance['rating'] : false;
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$show_images = isset( $instance['images'] ) ? $instance['images'] : true;
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$category = isset( $instance['category'] ) ? $instance['category'] : false;
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$orderby = isset( $instance['orderby'] ) ? $instance['orderby'] : 'name';
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$order = 'rating' === $orderby ? 'DESC' : 'ASC';
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$limit = isset( $instance['limit'] ) ? $instance['limit'] : -1;
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$before_widget = preg_replace( '/ id="[^"]*"/', ' id="%id"', $args['before_widget'] );
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$widget_links_args = array(
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'title_before' => $args['before_title'],
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'title_after' => $args['after_title'],
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'category_before' => $before_widget,
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'category_after' => $args['after_widget'],
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'show_images' => $show_images,
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'show_description' => $show_description,
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'show_name' => $show_name,
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'show_rating' => $show_rating,
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'category' => $category,
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'class' => 'linkcat widget',
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'orderby' => $orderby,
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'order' => $order,
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'limit' => $limit,
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);
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/**
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* Filters the arguments for the Links widget.
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*
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* @since 2.6.0
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* @since 4.4.0 Added the `$instance` parameter.
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*
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* @see wp_list_bookmarks()
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*
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* @param array $widget_links_args An array of arguments to retrieve the links list.
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* @param array $instance The settings for the particular instance of the widget.
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*/
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wp_list_bookmarks( apply_filters( 'widget_links_args', $widget_links_args, $instance ) );
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}
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/**
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* Handles updating settings for the current Links widget instance.
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*
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* @since 2.8.0
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*
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* @param array $new_instance New settings for this instance as input by the user via
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* WP_Widget::form().
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* @param array $old_instance Old settings for this instance.
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* @return array Updated settings to save.
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*/
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public function update( $new_instance, $old_instance ) {
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$new_instance = (array) $new_instance;
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$instance = array(
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'images' => 0,
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'name' => 0,
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'description' => 0,
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'rating' => 0,
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);
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foreach ( $instance as $field => $val ) {
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if ( isset( $new_instance[ $field ] ) ) {
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$instance[ $field ] = 1;
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}
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}
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$instance['orderby'] = 'name';
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if ( in_array( $new_instance['orderby'], array( 'name', 'rating', 'id', 'rand' ), true ) ) {
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$instance['orderby'] = $new_instance['orderby'];
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}
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$instance['category'] = (int) $new_instance['category'];
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$instance['limit'] = ! empty( $new_instance['limit'] ) ? (int) $new_instance['limit'] : -1;
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return $instance;
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}
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/**
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* Outputs the settings form for the Links widget.
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*
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* @since 2.8.0
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*
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* @param array $instance Current settings.
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*/
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public function form( $instance ) {
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// Defaults.
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$instance = wp_parse_args(
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(array) $instance,
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array(
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'images' => true,
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'name' => true,
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'description' => false,
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'rating' => false,
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'category' => false,
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'orderby' => 'name',
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'limit' => -1,
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)
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);
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$link_cats = get_terms( array( 'taxonomy' => 'link_category' ) );
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$limit = (int) $instance['limit'];
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if ( ! $limit ) {
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$limit = -1;
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}
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?>
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<p>
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<label for="<?php echo $this->get_field_id( 'category' ); ?>"><?php _e( 'Select Link Category:' ); ?></label>
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<select class="widefat" id="<?php echo $this->get_field_id( 'category' ); ?>" name="<?php echo $this->get_field_name( 'category' ); ?>">
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<option value=""><?php _ex( 'All Links', 'links widget' ); ?></option>
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<?php foreach ( $link_cats as $link_cat ) : ?>
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<option value="<?php echo (int) $link_cat->term_id; ?>" <?php selected( $instance['category'], $link_cat->term_id ); ?>>
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<?php echo esc_html( $link_cat->name ); ?>
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</option>
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<?php endforeach; ?>
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</select>
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<label for="<?php echo $this->get_field_id( 'orderby' ); ?>"><?php _e( 'Sort by:' ); ?></label>
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<select name="<?php echo $this->get_field_name( 'orderby' ); ?>" id="<?php echo $this->get_field_id( 'orderby' ); ?>" class="widefat">
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<option value="name"<?php selected( $instance['orderby'], 'name' ); ?>><?php _e( 'Link title' ); ?></option>
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<option value="rating"<?php selected( $instance['orderby'], 'rating' ); ?>><?php _e( 'Link rating' ); ?></option>
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<option value="id"<?php selected( $instance['orderby'], 'id' ); ?>><?php _e( 'Link ID' ); ?></option>
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<option value="rand"<?php selected( $instance['orderby'], 'rand' ); ?>><?php _ex( 'Random', 'Links widget' ); ?></option>
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</select>
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</p>
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<p>
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<input class="checkbox" type="checkbox"<?php checked( $instance['images'], true ); ?> id="<?php echo $this->get_field_id( 'images' ); ?>" name="<?php echo $this->get_field_name( 'images' ); ?>" />
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<label for="<?php echo $this->get_field_id( 'images' ); ?>"><?php _e( 'Show Link Image' ); ?></label>
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<br />
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<input class="checkbox" type="checkbox"<?php checked( $instance['name'], true ); ?> id="<?php echo $this->get_field_id( 'name' ); ?>" name="<?php echo $this->get_field_name( 'name' ); ?>" />
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<label for="<?php echo $this->get_field_id( 'name' ); ?>"><?php _e( 'Show Link Name' ); ?></label>
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<br />
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<input class="checkbox" type="checkbox"<?php checked( $instance['description'], true ); ?> id="<?php echo $this->get_field_id( 'description' ); ?>" name="<?php echo $this->get_field_name( 'description' ); ?>" />
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<label for="<?php echo $this->get_field_id( 'description' ); ?>"><?php _e( 'Show Link Description' ); ?></label>
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<br />
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<input class="checkbox" type="checkbox"<?php checked( $instance['rating'], true ); ?> id="<?php echo $this->get_field_id( 'rating' ); ?>" name="<?php echo $this->get_field_name( 'rating' ); ?>" />
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<label for="<?php echo $this->get_field_id( 'rating' ); ?>"><?php _e( 'Show Link Rating' ); ?></label>
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</p>
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<p>
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<label for="<?php echo $this->get_field_id( 'limit' ); ?>"><?php _e( 'Number of links to show:' ); ?></label>
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<input id="<?php echo $this->get_field_id( 'limit' ); ?>" name="<?php echo $this->get_field_name( 'limit' ); ?>" type="text" value="<?php echo ( -1 !== $limit ) ? (int) $limit : ''; ?>" size="3" />
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</p>
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<?php
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}
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}
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