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问题描述

我想制作一个 Eclipse插件(文本编辑器)。我会阅读光标下的文本,并显示取决于文本的动态生成的悬停。现在我有一个问题,我不知道我如何阅读文本和添加的悬停。

I would like to make a Eclipse plugin (text editor). I would "read" the text under the cursor and show a dynamical generated hover that depends on the text. Now I have the problem that I don't know how I can read the text and "add" the hover.

这是我的第一个 Eclipse插件所以我很高兴为每一个提示我可以得到。

It's my first Eclipse Plugin so I am happy for each tip I can get.

编辑:

我想将它集成到默认的 Eclipse Java 编辑器中。我试图用编辑器模板创建一个新的插件,但我认为这是错误的方式。

I'd like to integrate it into the default Eclipse Java editor. I have tried to create a new plugin with a editor template but I think it is the wrong way.

最后编辑:

来自PKeidel的答案正是我正在寻找的:)

The answer from PKeidel is exactly what I'm looking for :)

感谢PKeidel

推荐答案

您的错误是您创建了一个完整的新编辑器,而不是现有Java编辑器的插件。插件将通过扩展点激活。在你的情况下,你必须使用 org.eclipse.jdt.ui.javaEditorTextHovers

Your fault is that you created a completly new Editor instead of a plugin for the existing Java Editor. Plugins will be activated via extension points. In your case you have to use org.eclipse.jdt.ui.javaEditorTextHovers more....

<plugin>
   <extension
         point="org.eclipse.jdt.ui.javaEditorTextHovers">
      <hover
            activate="true"
            class="path.to_your.hoverclass"
            id="id.path.to_your.hoverclass">
      </hover>
   </extension>

</plugin>


类参数包含您的Class的路径,实现IJavaEditorTextHover

public class LangHover implements IJavaEditorTextHover
{
    @Override
    public String getHoverInfo(ITextViewer textviewer, IRegion region)
    {
         if(youWantToShowAOwnHover)
           return "Your own hover Text goes here"";
         return null; // Shows the default Hover (Java Docs)
    }
}

应该这样做; - )

That should do it ;-)

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07-30 23:11