Re: How to horz. center a shrinkwrapped FlowPanel in a FlowPanel?

The jsfiddle code does not solve my problem.

You removed the float:left in the contentPanel, so I no longer get an auto-sizing FloatPanel.

I modified the previous jsfiddle: http://jsfiddle.net/F2fPN/3/

 

Tell me more about setting the width and margins through GWT.

My question is: When, in the the timing of things, do I know that the FlowPanels have been rendered, so that I

can fetch theirs widths, do my calculations, and set margins?

You can give the browser enough time to render it by using GWT's Scheduler class and executing a deferred command. In the deferred command you can do your calculations. 

-- J.

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