问题描述

对于我的插件，我正在尝试访问 CompilationUnitEditor 中的选定代码.因此，我向上下文菜单添加了一个贡献并使用以下代码:

For my plugin I'm trying to access the selected code in a CompilationUnitEditor. Therefore I added a contribution to the context menu and use following code:

public class ContextMenuHandler implements IEditorActionDelegate {

    private IEditorPart editorPart;

    @Override
    public void setActiveEditor(IAction action, IEditorPart editorPart) {
        this.editorPart = editorPart;
    }

    @Override
    public void run(IAction action) {
        JavaUI.getEditorInputJavaElement(editorPart.getEditorInput());
    }

    @Override
    public void selectionChanged(IAction action, ISelection selection) {
        if (selection instanceof TextSelection) {
            TextSelection text = (TextSelection) selection;
            System.out.println("Text: " + text.getText());
        } else {
            System.out.println(selection);
        }
    }

}

现在的问题是方法 selectionChanged(...) 仅在我真正选择某些内容时才被调用，以便我可以复制/粘贴它.但我想访问像这样突出显示的代码元素(这里我想获取IEditorPart")

Now the problem is that the method selectionChanged(...) is only called when i really select something so that I could copy/paste it. But I want to access the Code elements that are highlighted like this (here I would like to get the "IEditorPart")

不幸的是，我不知道我应该寻找什么.

Unfortunately, I have no idea what I should look for.

推荐答案

使用其他答案的输入，我最终得到了以下解决方案:

Using the inputs from the other answers, I ended up with the following solution:

@Override
public void setActiveEditor(IAction action, IEditorPart editorPart) {
    ((CompilationUnitEditor) editorPart).getViewer().addTextListener(new ITextListener() {

        @Override
        public void textChanged(TextEvent event) {
            selectedText = event.getText();
        }
    });

}

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