Hi Google Vis gurus,
This is probably dead easy, and I'm missing the obvious. I've got a google
visualization dashboard with controllers and charts. I've built a menu
outside the dashboard that lets the user choose between displaying total $
and counts. The charts in the dashboard dynamically re-configure
themselves depending on that menu selection.
My problem is that I want the draw method of the dashboard to be invoked
when the user makes a selection in the menu, that is, from the menu's
onChange function. I'm using the setonloadcallback method to invoke an
Init function that contains the definition of the dashboard, data table,
etc. How the heck do I invoke the draw method for that dashboard from
outside the Init function? I tried declaring the dashboard var outside the
Init function to no avail. Does the solution involve jquery?
Here's the skeleton of my code:
google.load('visualization', ...);
google.setOnLoadCallback(Init);
function Init () {
var data = new google.visualization.DataTable();
data.addColumn (...);
data.addRows (...);
dashboard = new google.visualization.Dashboard(
document.getElementById('dashboard_div'));
<ControlWrapper/chart definitions, bindings>
dashboard.draw(data);
};
Thanks in advance!
- Randy
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