Getting selections from a list object

Question

I have a table inside of appmaker that I've added checkboxes to like so:

I'd like to get a list of the emails from entires that the user checks. At this point I'm not even able to access the status of a single checkbox. This is the current code snippet I tried adding to a button:

console.log(widget.parent.parent.parent.children.Panel1.children.Table3Panel.children.Table3.children.Table3Body.children.Table3Row.children.UserSelectionCheckbox.value);

I get the error:

Cannot read property 'children' of undefined at Home.Panel1.OuSelectPanel1.Button6.onClick:1:133

I was able to use the autofill to write this entire statement, why can't it find the child object? Is there any way to reference this list directly without going down the tree from the widget or the app root?

Answer 1

For this type of functionality the autofill (intellisense) will not work for you. You need to address the children differently when you try to get a collection of rows from a table. I would suggest code similar to this for your button onClick event:

var rows = widget.root.descendants.Table3Body.children._values;
var emails = [];
for (var i in rows) {
  var value = rows[i].children.Checkbox1.value;  
  if (value) {
    emails.push(rows[i].datasource.item.Email);
  }
}
console.log(emails);

Again the auto complete code feature simply won't work after you choose the _values, which will return all immediate children of your table body, which is what you want.