diff options
Diffstat (limited to 'server/src/com/vaadin/ui/renderers/AbstractJavaScriptRenderer.java')
| -rw-r--r-- | server/src/com/vaadin/ui/renderers/AbstractJavaScriptRenderer.java | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/server/src/com/vaadin/ui/renderers/AbstractJavaScriptRenderer.java b/server/src/com/vaadin/ui/renderers/AbstractJavaScriptRenderer.java index 66d501eb3f..91a5c0ea45 100644 --- a/server/src/com/vaadin/ui/renderers/AbstractJavaScriptRenderer.java +++ b/server/src/com/vaadin/ui/renderers/AbstractJavaScriptRenderer.java @@ -48,8 +48,12 @@ import elemental.json.JsonValue; * functionality specific for renderers. * <p> * The initialization function will be called with <code>this</code> pointing to - * a connector wrapper object providing integration to Vaadin with the following - * functions: + * a connector wrapper object providing integration to Vaadin. Please note that + * in JavaScript, <code>this</code> is not necessarily defined inside callback + * functions and it might therefore be necessary to assign the reference to a + * separate variable, e.g. <code>var self = this;</code>. In addition to the + * extension functions described for {@link AbstractJavaScriptExtension}, the + * connector wrapper object also provides this function: * <ul> * <li><code>getRowKey(rowIndex)</code> - Gets a unique identifier for the row * at the given index. This identifier can be used on the server to retrieve the |