如何从Eclipse插件中获取包资源管理器中的选定节点 [英] How to get the selected node in the package explorer from an Eclipse plugin

问题描述

我正在编写一个Eclipse命令插件，并希望在包资源管理器视图中检索当前选定的节点。我想要从返回的结果中获取绝对文件路径，其中所选节点驻留在文件系统（即c：\eclipse\test.html）上。

我该如何做？

解决方案

第一步是获得选择服务，例如从这样的任何视图或编辑器：

  ISelectionService service = getSite（）。getWorkbenchWindow（）
 .getSelectionService（） ; 
  

或者，

然后，获取Package Explorer的选择并将其转换为IStructuredSelection：

  IStructuredSelection structured =（IStructuredSelection）service 
 .getSelection（org.eclipse.jdt.ui.PackageExplorer）; 
  

从中可以得到您选择的IFile：

  IFile file =（IFile）structured.getFirstElement（）; 
  

现在要获得完整路径，您将必须获取IFile的位置：

  IPath path = file.getLocation（）; 
  

然后你最终可以使用它来获取文件的真正完整路径（除其他外）：

  System.out.println（path.toPortableString（））; 
  

您可以在这里找到有关选择服务的更多信息：使用选择服务。

I'm writing an Eclipse command plugin and want to retrieve the currently selected node in the package explorer view. I want to be able to get the absolute filepath, where the selected node resides on the filesystem (i.e. c:\eclipse\test.html), from the returned result.

How do I do this ?

解决方案

The first step is to get a selection service, e.g. from any view or editor like this:

ISelectionService service = getSite().getWorkbenchWindow()
            .getSelectionService();

Or, as VonC wrote, you could get it via the PlatformUI, if you are neither in a view or an editor.

Then, get the selection for the Package Explorer and cast it to an IStructuredSelection:

IStructuredSelection structured = (IStructuredSelection) service
            .getSelection("org.eclipse.jdt.ui.PackageExplorer");

From that, you can get your selected IFile:

IFile file = (IFile) structured.getFirstElement();

Now to get the full path, you will have to get the location for the IFile:

IPath path = file.getLocation();

Which you then can finally use to get the real full path to your file (among other things):

System.out.println(path.toPortableString());

You can find more information on the selection service here: Using the Selection Service.

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