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Re: Manually update a binding's display pattern
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Re: Manually update a binding's display pattern


  • Subject: Re: Manually update a binding's display pattern
  • From: Brad <email@hidden>
  • Date: Tue, 8 Jun 2004 01:58:29 -0400

On Jun 8, 2004, at 12:30 AM, Scott Anguish wrote:


On Jun 7, 2004, at 4:55 PM, Brad wrote:

Does anyone know if it's possible to change display pattern of a binding? The only way I've found to do it is to reset the entire binding (- bind:toObject:withKeyPath:options:). It works but is causing a slowdown since it temporarily blocks.

currently that's the only way. if you need more flexibility, please file a bug.

Thanks Scott. I had a feeling that was the answer, wanted to make sure. I'll file a bug on being able to set a new options dictionary. I can see a bunch of situation where it might be helpful, especially the display pattern.


Or maybe there's a better way for me to achieve what I'm trying to do. I have a text field that has 2 keys bound to it by displayPatternValues. I want the information displayed slightly different depending on the app's current state. Right now I have a method that gets called at the state change that resets the binding for the appropriate display pattern.

your model could implement a method that returns the correctly joined string, and then set that key as being dependent on the two others.

that might be the best solution if you you're updating it frequently.

Good idea. I hadn't thought about adding a third bound value. That should work nicely for this situation.

Thanks,

Brad
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References: 
 >Manually update a binding's display pattern (From: Brad <email@hidden>)
 >Re: Manually update a binding's display pattern (From: Scott Anguish <email@hidden>)

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