Widgets: don't show a dropdown if there is only 1 taxonomy or zero taxonomies available to the Tag Cloud widget form. Don't output the widget if there are no terms in the selected taxonomy.
Props GautamGupta, wonderboymusic. Fixes #16125. Built from https://develop.svn.wordpress.org/trunk@34273 git-svn-id: http://core.svn.wordpress.org/trunk@34237 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -4,7 +4,7 @@
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*
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* @global string $wp_version
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*/
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$wp_version = '4.4-alpha-34272';
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$wp_version = '4.4-alpha-34273';
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/**
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* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
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@ -30,15 +30,6 @@ class WP_Widget_Tag_Cloud extends WP_Widget {
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}
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}
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/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
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$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
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echo $args['before_widget'];
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if ( $title ) {
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echo $args['before_title'] . $title . $args['after_title'];
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}
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echo '<div class="tagcloud">';
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/**
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* Filter the taxonomy used in the Tag Cloud widget.
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*
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@ -49,10 +40,27 @@ class WP_Widget_Tag_Cloud extends WP_Widget {
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*
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* @param array $current_taxonomy The taxonomy to use in the tag cloud. Default 'tags'.
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*/
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wp_tag_cloud( apply_filters( 'widget_tag_cloud_args', array(
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'taxonomy' => $current_taxonomy
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$tag_cloud = wp_tag_cloud( apply_filters( 'widget_tag_cloud_args', array(
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'taxonomy' => $current_taxonomy,
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'echo' => false
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) ) );
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if ( empty( $tag_cloud ) ) {
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return;
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}
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/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
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$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
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echo $args['before_widget'];
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if ( $title ) {
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echo $args['before_title'] . $title . $args['after_title'];
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}
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echo '<div class="tagcloud">';
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echo $tag_cloud;
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echo "</div>\n";
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echo $args['after_widget'];
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}
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@ -74,20 +82,54 @@ class WP_Widget_Tag_Cloud extends WP_Widget {
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*/
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public function form( $instance ) {
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$current_taxonomy = $this->_get_current_taxonomy($instance);
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$title = isset( $instance['title'] ) ? $instance['title'] : '';
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?>
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<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:') ?></label>
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<input type="text" class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" value="<?php echo esc_attr( $title ); ?>" /></p>
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<p><label for="<?php echo $this->get_field_id('taxonomy'); ?>"><?php _e('Taxonomy:') ?></label>
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<select class="widefat" id="<?php echo $this->get_field_id('taxonomy'); ?>" name="<?php echo $this->get_field_name('taxonomy'); ?>">
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<?php foreach ( get_taxonomies() as $taxonomy ) :
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$tax = get_taxonomy($taxonomy);
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if ( !$tax->show_tagcloud || empty($tax->labels->name) )
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continue;
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?>
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<option value="<?php echo esc_attr($taxonomy) ?>" <?php selected($taxonomy, $current_taxonomy) ?>><?php echo esc_attr( $tax->labels->name ); ?></option>
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<?php endforeach; ?>
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</select></p><?php
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$title_id = $this->get_field_id( 'title' );
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$instance['title'] = ! empty( $instance['title'] ) ? esc_attr( $instance['title'] ) : '';
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echo '<p><label for="' . $title_id .'">' . __( 'Title:' ) . '</label>
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<input type="text" class="widefat" id="' . $title_id .'" name="' . $this->get_field_name( 'title' ) .'" value="' . $instance['title'] .'" />
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</p>';
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$taxonomies = get_taxonomies( array( 'show_tagcloud' => true ), 'object' );
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$id = $this->get_field_id( 'taxonomy' );
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$name = $this->get_field_name( 'taxonomy' );
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$input = '<input type="hidden" id="' . $id . '" name="' . $name . '" value="%s" />';
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switch ( count( $taxonomies ) ) {
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// No tag cloud supporting taxonomies found, display error message
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case 0:
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echo '<p>' . __( 'The tag cloud will not be displayed since their are no taxonomies that support the tag cloud widget.' ) . '</p>';
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printf( $input, '' );
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break;
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// Just a single tag cloud supporting taxonomy found, no need to display options
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case 1:
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$keys = array_keys( $taxonomies );
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$taxonomy = reset( $keys );
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printf( $input, esc_attr( $taxonomy ) );
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break;
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// More than one tag cloud supporting taxonomy found, display options
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default:
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printf(
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'<p><label for="%1$s">%2$s</label>' .
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'<select class="widefat" id="%1$s" name="%3$s">',
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$id,
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__( 'Taxonomy:' ),
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$name
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);
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foreach ( $taxonomies as $taxonomy => $tax ) {
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printf(
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'<option value="%s"%s>%s</option>',
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esc_attr( $taxonomy ),
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selected( $taxonomy, $current_taxonomy, false ),
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$tax->labels->name
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);
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}
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echo '</select></p>';
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}
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}
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/**
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