// categories association for product with multishop and context

admin-dev/themes/default/template/controllers/products/associations.tpl

@@ -39,7 +39,15 @@
 				<label for="category_block">{l s='Associated categories:'}</label>
 			</td>
 			<td class="col-right">
-				<div id="category_block">{$category_tree}</div>
+				<div id="category_block">
+					{if !$is_shop_context}
+					<div class="warn">
+					{/if}
+					{$category_tree}
+					{if !$is_shop_context}
+					</div>
+					{/if}
+				</div>
 			</td>
 		</tr>
 		<tr>
@@ -48,10 +56,12 @@
 		<tr>
 			<td></td>
 			<td class="col-right">
-				<a class="button bt-icon confirm_leave" href="{$link->getAdminLink('AdminCategories')}&addcategory">
-					<img src="../img/admin/add.gif" alt="{l s='Create new category'}" title="{l s='Create new category'}" />
-					<span>{l s='Create new category'}</span>
-				</a>
+				{if $is_shop_context}
+					<a class="button bt-icon confirm_leave" href="{$link->getAdminLink('AdminCategories')}&addcategory">
+						<img src="../img/admin/add.gif" alt="{l s='Create new category'}" title="{l s='Create new category'}" />
+						<span>{l s='Create new category'}</span>
+					</a>
+				{/if}
 			</td>
 		</tr>
 		<tr>

controllers/admin/AdminProductsController.php

@@ -2692,13 +2692,18 @@ class AdminProductsControllerCore extends AdminController
 
 		$tab_root = array('id_category' => $root->id, 'name' => $root->name);
 		$helper = new Helper();
+		if (Shop::getContext() != Shop::CONTEXT_SHOP)
+			$category_tree = $this->l('You must select a shop if you want to put your product into a particular shop.');
+		else
+			$category_tree = $helper->renderCategoryTree($tab_root, $selected_cat, 'categoryBox', false, true);
 		$data->assign(array('default_category' => $default_category,
 					'selected_cat_ids' => implode(',', array_keys($selected_cat)),
 					'selected_cat' => $selected_cat,
 					'id_category_default' => $product->getDefaultCategory(),
-					'category_tree' => $helper->renderCategoryTree($tab_root, $selected_cat, 'categoryBox', false, true),
+					'category_tree' => $category_tree,
 					'product' => $product,
-					'link' => $this->context->link
+					'link' => $this->context->link,
+					'is_shop_context' => Shop::getContext() == Shop::CONTEXT_SHOP
 		));
 
 		$this->tpl_form_vars['custom_form'] = $data->fetch();