The Controls library is still beta-ish and as such offers a limited range of
Controls for you to play with (that's why a date control is still missing).
As a previous post in the forum noted, you can still listen for changes
occurring on a specific control by listening to the 'statechange' event.
google.visualization.events.addListener(control1, "statechange", function()
{
// your code. Access the current control state via
control1.getState();
});
Note that the event afaik is undocumented, hence its semantics or presence
may change as the controls package transitions to a stable status.
/R.
On Jul 5, 2011 1:03 PM, "Xi Shen" <[email protected]> wrote:
> I want to use the 'NumberRangeFilter<
http://code.google.com/apis/chart/interactive/docs/gallery/controls.html#numberrangefilter
>
> ' control to filter the date values in my table. But this control can only
> filter integer numbers. I hope it provides an event when the block on the
> bar is moved, so I can update my table programmatically.
>
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