getallvote method
Implementation
int getallvote() {
int v = 0;
var lst = widget.data.messageExts;
var index = widget.option.index.toString();
for (var i = 0; i < lst.length; i++) {
var it = lst[i];
if (it.extensionKey == 'closed') {
continue;
}
if (it.extensionValue.split("_").contains(index)) {
v++;
}
}
return v;
}