From 84ca10e470b630ea55523fa6ee8753b8fdadfc43 Mon Sep 17 00:00:00 2001
From: Mike Jolley <mike.jolley@me.com>
Date: Sat, 10 Sep 2011 21:26:19 +0100
Subject: [PATCH] Cannot add variation until variation attribute selected

---
 admin/writepanels/writepanel-product-type-variable.php | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/admin/writepanels/writepanel-product-type-variable.php b/admin/writepanels/writepanel-product-type-variable.php
index dedd087ec28..e2e366913e9 100644
--- a/admin/writepanels/writepanel-product-type-variable.php
+++ b/admin/writepanels/writepanel-product-type-variable.php
@@ -18,6 +18,7 @@ function variable_product_type_options() {
 	global $post, $woocommerce;
 	
 	$attributes = maybe_unserialize( get_post_meta($post->ID, 'product_attributes', true) );
+	$variation_attribute_found = false;
 	if (!isset($attributes)) $attributes = array();
 	?>
 	<div id="variable_product_options" class="panel">
@@ -53,6 +54,8 @@ function variable_product_type_options() {
 								
 								if ( !$attribute['is_variation'] ) continue;
 								
+								$variation_attribute_found = true;
+								
 								$options = $attribute['value'];
 								$value = get_post_meta( $variation->ID, 'tax_' . sanitize_title($attribute['name']), true );
 								
@@ -96,8 +99,8 @@ function variable_product_type_options() {
 			<?php $loop++; endforeach; ?>
 		</div>
 
-		<button type="button" class="button button-primary add_variation"><?php _e('Add Variation', 'woothemes'); ?></button>
-		<button type="button" class="button link_all_variations"><?php _e('Link all variations', 'woothemes'); ?></button>
+		<button type="button" class="button button-primary add_variation" <?php disabled($variation_attribute_found, false); ?>><?php _e('Add Variation', 'woothemes'); ?></button>
+		<button type="button" class="button link_all_variations" <?php disabled($variation_attribute_found, false); ?>><?php _e('Link all variations', 'woothemes'); ?></button>
 		
 		<p class="description"><?php _e('Add (optional) information for product variations. You must save your product attributes in the "Product Data" panel to make them selectable.', 'woothemes'); ?></p>