Changeset 8078

Timestamp:

06/13/2008 11:22:29 PM (18 years ago)

Author:

ryan

Message:

Add paging to Manage->Categories. fixes #7136

Location:

trunk/wp-admin

Files:

• categories.php (modified) (3 diffs)
• includes/template.php (modified) (2 diffs)

trunk/wp-admin/categories.php

@@ -135 +135 @@
 
 <div class="tablenav">
+
+<?php
+$pagenum = absint( $_GET['pagenum'] );
+if ( empty($pagenum) )
+    $pagenum = 1;
+if( !$catsperpage || $catsperpage < 0 )
+    $catsperpage = 20;
+
+$page_links = paginate_links( array(
+    'base' => add_query_arg( 'pagenum', '%#%' ),
+    'format' => '',
+    'total' => ceil(wp_count_terms('category') / $catsperpage),
+    'current' => $pagenum
+));
+
+if ( $page_links )
+    echo "<div class='tablenav-pages'>$page_links</div>";
+?>
 
 <div class="alignleft">
@@ -157 +175 @@
     <tbody id="the-list" class="list:cat">
 <?php
-cat_rows();
+$categories = array();
+cat_rows(0, 0, $categories, $pagenum, $catsperpage);
 ?>
     </tbody>
@@ -164 +183 @@
 
 <div class="tablenav">
+
+<?php
+if ( $page_links )
+    echo "<div class='tablenav-pages'>$page_links</div>";
+?>
 <br class="clear" />
 </div>

trunk/wp-admin/includes/template.php

@@ -5 +5 @@
 //
 
-// Dandy new recursive multiple category stuff.
-function cat_rows( $parent = 0, $level = 0, $categories = 0 ) {
-    if ( !$categories ) {
+// Ugly recursive category stuff.
+function cat_rows( $parent = 0, $level = 0, &$categories = 0, $page = 1, $per_page = 20, &$count = 0 ) {
+    if ( empty($categories) ) {
         $args = array('hide_empty' => 0);
         if ( !empty($_GET['s']) )
@@ -14 +14 @@
     }
 
+    if ( !$categories )
+        return false;
+
     $children = _get_term_hierarchy('category');
 
-    if ( $categories ) {
-        ob_start();
-        foreach ( $categories as $category ) {
-            if ( $category->parent == $parent) {
-                echo "\t" . _cat_row( $category, $level );
-                if ( isset($children[$category->term_id]) )
-                    cat_rows( $category->term_id, $level +1, $categories );
+    $start = ($page - 1) * $per_page;
+    $end = $start + $per_page;
+    $i = -1;
+    ob_start();
+    foreach ( $categories as $category ) {
+        if ( $count >= $end )
+            break;
+
+        $i++;
+
+        if ( $category->parent != $parent )
+            continue;
+
+        // If the page starts in a subtree, print the parents.
+        if ( $count == $start && $category->parent > 0 ) {
+            $my_parents = array();
+            $my_parent = $category->parent;
+            while ( $my_parent) {
+                $my_parent = get_category($my_parent);
+                $my_parents[] = $my_parent;
+                if ( !$my_parent->parent )
+                    break;
+                $my_parent = $my_parent->parent;
             }
-        }
-        $output = ob_get_contents();
-        ob_end_clean();
-
-        $output = apply_filters('cat_rows', $output);
-
-        echo $output;
-    } else {
-        return false;
-    }
+            $num_parents = count($my_parents);
+            while( $my_parent = array_pop($my_parents) ) {
+                echo "\t" . _cat_row( $my_parent, $level - $num_parents );
+                $num_parents--;
+            }
+        }
+
+        if ( $count >= $start )
+            echo "\t" . _cat_row( $category, $level );
+
+        unset($categories[$i]); // Prune the working set        
+        $count++;
+
+        if ( isset($children[$category->term_id]) )
+            cat_rows( $category->term_id, $level + 1, $categories, $page, $per_page, $count );
+
+    }
+
+    $output = ob_get_contents();
+    ob_end_clean();
+
+    $output = apply_filters('cat_rows', $output);
+
+    echo $output;
 }