in src/main/java/idea/plugin/psiviewer/util/PluginPsiUtil.java [37:55]
public static boolean isElementInSelectedFile(Project project, PsiElement psiElement)
{
VirtualFile elementFile = getVirtualFile(psiElement);
if (elementFile == null)
{
return false;
}
VirtualFile[] currentEditedFiles = FileEditorManager.getInstance(project).getSelectedFiles();
for (VirtualFile file : currentEditedFiles)
{
if (elementFile.equals(file))
{
return true;
}
}
return false;
}