Receive messages of change on the form?

I have a < mx:Form > element. The form is used to submit requests to a site. After a presentation, a status label appears to show the tender successful with a confirmation number (or an error message).


When the user goes to submit a subsequent request, I need white label to state that they begin to enter the data. I am that calling a handler for the Exchange on the elements of the current form (superuser various TextInputs're ComboBox, CheckBox're etc.). It is can be problematic if a FormItem new is added, but a change if forgotten event. It would be nicer if there was a way to handle an event, if any of the data on the form has been changed. I don't see any event is raised for such a thing. Is the way I currently do it the only way? Or is there an event that can be used that I simply can't.

p.s. I am pretty new Flex development, but have am not new development in general.

Hi there Di1bert

This should do the trick for you.  It loops through your form and adds to each child event listeners, when the form completes its creation

http://www.Adobe.com/2006/mxml"layout ="absolute">

Import mx.core.UIComponent;

Import mx.containers.FormItem;

private function addListeners (): void {}

To loop through all the children in the form and add the event listener.

for each (var in {myForm.getChildren () formItem:FormItem)}

formItem.getChildAt (0) .addEventListener (Event.CHANGE, handleChange);

}

}

private void handleChange(event:Event):void {}

trace ('changed')

}

]]>

Hope this helps

       

Tags: Flex

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