I am trying to get this code to work on a category filter:
google.visualization.events.addListener(personPicker, 'ready',
function(){
//alert('modify personPicker visibility');
var categoryValues = personPicker.getOption('values');
alert(categoryValues);
//categoryValues is always null ???
if (categoryValues){
numpersons = categoryValues.length();
}else{
numpersons = 1;
}
alert('numpersons='+numpersons);
if(numpersons>1){
$('div#personfilter').css('display','inline-block');
$('div#personfilter').css('visibility','visible');
}else{
$('div#personfilter').css('display','none');
$('div#personfilter').css('visibility','hidden');
}
});
How/When can I get the number of items in the category filter?
Thanks?
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