import com.intellij.ide.actions.OpenFileAction; //导入依赖的package包/类
public void actionPerformed(final AnActionEvent e) {
    PhpClass testedClass = getSwitchClass(e);
    if (null == testedClass) {
        return;
    }

    OpenFileAction.openFile(testedClass.getContainingFile().getVirtualFile().getPath(), e.getProject());
}
 

import com.intellij.ide.actions.OpenFileAction; //导入依赖的package包/类
/** Returns true if a target or BUILD file could be found and navigated to. */
private static void navigateToTargetOrFile(Project project, VirtualFile vf) {
  // First, find the parent BUILD file. We don't want to navigate to labels in other packages
  BlazePackage parentPackage = getBuildFile(project, vf);
  if (parentPackage == null) {
    return;
  }
  // first, look for a specific target which includes this source file
  PsiElement target = findBuildTarget(project, parentPackage, new File(vf.getPath()));
  if (target instanceof NavigatablePsiElement) {
    ((NavigatablePsiElement) target).navigate(true);
    return;
  }
  OpenFileAction.openFile(parentPackage.buildFile.getFile().getPath(), project);
}
 

import com.intellij.ide.actions.OpenFileAction; //导入依赖的package包/类
@RequiredDispatchThread
@Override
public void actionPerformed(@NotNull AnActionEvent e)
{
	PsiElement psiElement = e.getData(CommonDataKeys.PSI_ELEMENT);
	if(!(psiElement instanceof DotNetVariable))
	{
		return;
	}

	DotNetTypeRef typeRef = ((DotNetVariable) psiElement).toTypeRef(true);

	DotNetTypeResolveResult typeResolveResult = typeRef.resolve();

	PsiElement element = typeResolveResult.getElement();
	if(!(element instanceof DotNetNamedElement))
	{
		return;
	}

	DotNetNamedElement extract = GenericUnwrapTool.extract((DotNetNamedElement) element, typeResolveResult.getGenericExtractor());

	List<StubBlock> stubBlocks = CSharpStubBuilderVisitor.buildBlocks(extract);

	CharSequence text = StubBlockUtil.buildText(stubBlocks);

	LightVirtualFile lightVirtualFile = new LightVirtualFile("dummy.cs", CSharpFileType.INSTANCE, text);

	OpenFileAction.openFile(lightVirtualFile, psiElement.getProject());
}
 

import com.intellij.ide.actions.OpenFileAction; //导入依赖的package包/类
@Override
protected void doOKAction() {
  OpenFileAction.openFile(fileTextField.getSelectedFile(), project);
  super.doOKAction();
}