Thanks for the answers

On Feb 21, 12:36 pm, asgallant <[email protected]> wrote:
> The 'select' event fires when the colored blocks in the legend are clicked.
>  When hooked into the event handler, the chart's #getSelection method
> should return a single-element array containing an object with a null 'row'
> property and a 'column' property corresponding it's index in the underlying
> DataTable/DataView.  Seehttp://jsfiddle.net/XRwTT/
>
> Neither the legend as a whole nor the individual text entries fire events
> in the API, though.  If you need to trigger events off of them, it is
> theoretically possible to do so using standard javascript to dig into the
> chart container's internal iframe's contents and hook events into the SVG
> components therein.  This can be problematic as:
>
> 1) it is not easy to identify specific chart components
> 2) the internals of the charts can change without warning, breaking your
> code
> 3) IE uses VML charts instead of SVG, so you would need a separate code
> path to handle IE.

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