Changeset 7770 for branches/2.5/wp-admin/includes/template.php

Timestamp:

04/22/2008 09:06:00 PM (17 years ago)

Author:

ryan

Message:

Convert Walker classes to pass as reference. Props mdawaffe. fixes #6796 for 2.5

File:

• branches/2.5/wp-admin/includes/template.php (modified) (2 diffs)

branches/2.5/wp-admin/includes/template.php

@@ -114 +114 @@
 
 //
-// Nasty Category Stuff
+// Category Checklists
 //
 
-function sort_cats( $cat1, $cat2 ) {
-    if ( $cat1['checked'] || $cat2['checked'] )
-        return ( $cat1['checked'] && !$cat2['checked'] ) ? -1 : 1;
+// Deprecated. Use wp_link_category_checklist
+function dropdown_categories( $default = 0, $parent = 0, $popular_ids = array() ) {
+    global $post_ID;
+    wp_category_checklist($post_ID);
+}
+
+class Walker_Category_Checklist extends Walker {
+    var $tree_type = 'category';
+    var $db_fields = array ('parent' => 'parent', 'id' => 'term_id'); //TODO: decouple this
+
+    function start_lvl(&$output, $depth, $args) {
+        $indent = str_repeat("\t", $depth);
+        $output .= "$indent<ul class='children'>\n";
+    }
+
+    function end_lvl(&$output, $depth, $args) {
+        $indent = str_repeat("\t", $depth);
+        $output .= "$indent</ul>\n";
+    }
+
+    function start_el(&$output, $category, $depth, $args) {
+        extract($args);
+
+        $class = in_array( $category->term_id, $popular_cats ) ? ' class="popular-category"' : '';
+        $output .= "\n<li id='category-$category->term_id'$class>" . '<label for="in-category-' . $category->term_id . '" class="selectit"><input value="' . $category->term_id . '" type="checkbox" name="post_category[]" id="in-category-' . $category->term_id . '"' . (in_array( $category->term_id, $selected_cats ) ? ' checked="checked"' : "" ) . '/> ' . wp_specialchars( apply_filters('the_category', $category->name )) . '</label>';
+    }
+
+    function end_el(&$output, $category, $depth, $args) {
+        $output .= "</li>\n";
+    }
+}
+
+function wp_category_checklist( $post_id = 0 ) {
+    $walker = new Walker_Category_Checklist;
+
+    $args = array();
+    
+    if ( $post_id )
+        $args['selected_cats'] = wp_get_post_categories($post_id);
     else
-        return strcasecmp( $cat1['cat_name'], $cat2['cat_name'] );
-}
-
-function wp_set_checked_post_categories( $default = 0 ) {
-    global $post_ID, $checked_categories;
-
-    if ( empty($checked_categories) ) {
-        if ( $post_ID ) {
-            $checked_categories = wp_get_post_categories($post_ID);
-
-            if ( count( $checked_categories ) == 0 ) {
-                // No selected categories, strange
-            $checked_categories[] = $default;
-            }
-        } else {
-            $checked_categories[] = $default;
-        }
-    }
-
-}
-function get_nested_categories( $default = 0, $parent = 0 ) {
-    global $checked_categories;
-
-    wp_set_checked_post_categories( $default = 0 );
-
-    if ( is_object($parent) ) { // Hack: if passed a category object, will return nested cats with parent as root
-        $root = array(
-            'children' => get_nested_categories( $default, $parent->term_id ),
-            'cat_ID' => $parent->term_id,
-            'checked' => in_array( $parent->term_id, $checked_categories ),
-            'cat_name' => get_the_category_by_ID( $parent->term_id )
-        );
-        $result = array( $parent->term_id => $root );
-    } else {
-        $parent = (int) $parent;
-
-        $cats = get_categories("parent=$parent&hide_empty=0&fields=ids");
-
-        $result = array();
-        if ( is_array( $cats ) ) {
-            foreach ( $cats as $cat ) {
-                $result[$cat]['children'] = get_nested_categories( $default, $cat );
-                $result[$cat]['cat_ID'] = $cat;
-                $result[$cat]['checked'] = in_array( $cat, $checked_categories );
-                $result[$cat]['cat_name'] = get_the_category_by_ID( $cat );
-            }
-        }
-    }
-
-    $result = apply_filters('get_nested_categories', $result);
-    usort( $result, 'sort_cats' );
-
-    return $result;
-}
-
-function write_nested_categories( $categories, $popular_ids = array() ) {
-    foreach ( $categories as $category ) {
-        $class = in_array( $category['cat_ID'], $popular_ids ) ? ' class="popular-category"' : '';
-        echo "\n", "<li id='category-$category[cat_ID]'$class>", '<label for="in-category-', $category['cat_ID'], '" class="selectit"><input value="', $category['cat_ID'], '" type="checkbox" name="post_category[]" id="in-category-', $category['cat_ID'], '"', ($category['checked'] ? ' checked="checked"' : "" ), '/> ', wp_specialchars( apply_filters('the_category', $category['cat_name'] )), '</label>';
-
-        if ( $category['children'] ) {
-            echo "\n<ul>";
-            write_nested_categories( $category['children'] );
-            echo "\n</ul>";
-        }
-        echo '</li>';
-    }
-}
-
-function dropdown_categories( $default = 0, $parent = 0, $popular_ids = array() ) {
-    write_nested_categories( get_nested_categories( $default, $parent ), $popular_ids );
+        $args['selected_cats'] = array();
+    $args['popular_cats'] = get_terms( 'category', array( 'fields' => 'ids', 'orderby' => 'count', 'order' => 'DESC', 'number' => 10 ) );
+    $categories = get_categories('get=all');
+    $args = array($categories, 0, $args);
+    $output = call_user_func_array(array(&$walker, 'walk'), $args);
+
+    echo $output;
 }
 
@@ -215 +187 @@
 }
 
+// Deprecated. Use wp_link_category_checklist
 function dropdown_link_categories( $default = 0 ) {
     global $link_id;
 
+    wp_link_category_checklist($link_id);
+}
+
+function wp_link_category_checklist( $link_id = 0 ) {
     if ( $link_id ) {
         $checked_categories = wp_get_link_cats($link_id);