如何在 Eclipse 中打开 gwt 设计器?

How to open gwt designer in Eclipse?

我安装了 eclipse 插件 - gwt eclipse plugin 3.0.0,当我右键单击相应的 class 或 ui.xml 时,我没有看到设计器。

来自Release Notes for 2.7.0

GWT Designer doesn’t work with 2.7 and is no longer supported.