I thought you wern't leaving your computer there anymore after the unit got broken in to and all your kit was nicked?
Thinking about it, this is another of your windup posts isnt it.
How d'you stop a flood is basically what you're asking isn't it. Personally if that was me, I wouldn't bother getting out of bed in the morning to be honest. Sorry mate, but the answer to your question is turn the friggin tap off.