Since the tools options in a panel header are contained in a CSS sprite image, I'm not sure how to go about extending this functionality. Is it possible to add a tool based on a single image? Or to provide an additional CSS sprite image and reference it? Regarding the overall approach, is an extension or plugin more appropriate, or is there a simpler way that's I'm not seeing?
Thanks!
Eric
Perfect--thanks! I don't know why that thread didn't come up in my extensive search...
Yes, you can just use a single image and refer to it with the appropriate CSS.
http://extjs.com/forum/showthread.php?t=13207&highlight=tool+css
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