Changeset 11894

Timestamp:

09/01/2009 08:06:11 PM (14 years ago)

Author:

azaozz

Message:

Logarithmic scale for tag cloud, props kometbomb, fixes #10703

File:

• trunk/wp-includes/category-template.php (modified) (4 diffs)

trunk/wp-includes/category-template.php

@@ -567 +567 @@
 
 /**
+ * Default topic count scaling for tag links
+ *
+ * @param integer $count number of posts with that tag
+ * @return integer scaled count
+ */
+function default_topic_count_scale( $count ) {
+    return round(log10($count + 1) * 100);
+}
+
+
+/**
  * Generates a tag cloud (heatmap) from provided data.
  *
@@ -603 +614 @@
         'format' => 'flat', 'orderby' => 'name', 'order' => 'ASC',
         'topic_count_text_callback' => 'default_topic_count_text',
-        'filter' => 1,
+        'filter' => 1, 'topic_count_scale_callback' => 'default_topic_count_scale'
     );
 
@@ -642 +653 @@
 
     $counts = array();
-    foreach ( (array) $tags as $key => $tag )
-        $counts[ $key ] = $tag->count;
+    $real_counts = array(); // For the alt tag
+    foreach ( (array) $tags as $key => $tag ) {
+        $real_counts[ $key ] = $tag->count;
+        $counts[ $key ] = $topic_count_scale_callback($tag->count);
+    }
 
     $min_count = min( $counts );
@@ -660 +674 @@
     foreach ( $tags as $key => $tag ) {
         $count = $counts[ $key ];
+        $real_count = $real_counts[ $key ];
         $tag_link = '#' != $tag->link ? esc_url( $tag->link ) : '#';
         $tag_id = isset($tags[ $key ]->id) ? $tags[ $key ]->id : $key;
         $tag_name = $tags[ $key ]->name;
-        $a[] = "<a href='$tag_link' class='tag-link-$tag_id' title='" . esc_attr( $topic_count_text_callback( $count ) ) . "'$rel style='font-size: " .
+        $a[] = "<a href='$tag_link' class='tag-link-$tag_id' title='" . esc_attr( $topic_count_text_callback( $real_count ) ) . "'$rel style='font-size: " .
             ( $smallest + ( ( $count - $min_count ) * $font_step ) )
             . "$unit;'>$tag_name</a>";