private static IProject getProject(IDocument document) {
        ITextFileBufferManager fileBufferMgr = FileBuffers.getTextFileBufferManager();
        ITextFileBuffer fileBuffer = fileBufferMgr.getTextFileBuffer(document);
        
        if (fileBuffer != null) {
            IWorkspace workspace = ResourcesPlugin.getWorkspace();
            IResource res = workspace.getRoot().findMember(fileBuffer.getLocation());
            if (res != null) return res.getProject();        	
        }
        return null;
    }