Kendo UI Hierarchy children scheme

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Javascript

data

Kendo

Hi all!

Regarding to a API reference for Kendo (proof: Kendo UI API Reference - Schema.Model.Children), children nodes can be declare in next approach (see nested 'schema' as 'define options for second level'):

var datasource = new kendo.data.HierarchicalDataSource({
  data: [
    {
      categoryName: "SciFi",
      movies: [
        { title: "Star Wars: A New Hope", year: 1977, cast: [
            { actor: "Mark Hamill", character: "Luke Skywalker" },
            { actor: "Harrison Ford", character: "Han Solo" },
            { actor: "Carrie Fisher", character: "Princess Leia Organa" }
        ] },
        { title: "Star Wars: The Empire Strikes Back", year: 1980, cast: [
            { actor: "Mark Hamill", character: "Luke Skywalker" },
            { actor: "Harrison Ford", character: "Han Solo" },
            { actor: "Carrie Fisher", character: "Princess Leia Organa" },
            { actor: "Billy Dee Williams", character: "Lando Calrissian" }
        ] }
      ]
    }
  ],
  schema: {
    model: {
      children: { // define options for second level
        schema: {
          data: "movies",
          model: {
            children: "cast" // third level is defined by the field "cast"
          }
        }
      }
    }
  }
});

I use similar definition for HierarchicalDataSource and get children nodes in that way:

schema: {
  model: {
    id: "urb_fltr",
    hasChildren: true,
    children: "PhoneCalls" // <- here is definition for children that are - data from field of output (next in parse)
  },
  parse: function (data) {
    var outRes = [];
    var dataRes = [];
    var tmpLoop = 0;
    var bordNum = 251170009;

    if (data.d.results != null && data.d.results.length > 0)
      for (var step = 0; step < data.d.results.length; step++) {

        if (data.d.results[step] == null) continue;

        var stepData = data.d.results[step];

        var stepValue = (stepData.urb_subject != null) ? stepData.urb_subject.Value : 0;

        var arrValue = (stepValue > bordNum) ? stepValue - bordNum : 0;

        if (outRes[arrValue] == null || typeof (outRes[arrValue]) == 'undefined') {
          outRes[arrValue] = {};
          outRes[arrValue].urb_total = 1;
          outRes[arrValue].urb_clnts = 0;

          outRes[arrValue].OwnerId = stepData.OwnerId;
          outRes[arrValue].urb_subjectValue = stepValue;

          outRes[arrValue].PhoneCalls = []; // <- children
        }
        else
          outRes[arrValue].urb_total += 1;
                                    // fill children field
                                outRes[arrValue].PhoneCalls[outRes[arrValue].urb_total - 1] = {};
                                outRes[arrValue].PhoneCalls[outRes[arrValue].urb_total - 1].CallId = stepData.ActivityId;
                                outRes[arrValue].PhoneCalls[outRes[arrValue].urb_total - 1].urb_name = stepData.urb_name;
                                outRes[arrValue].PhoneCalls[outRes[arrValue].urb_total - 1].CreatedOn = stepData.CreatedOn;
                                outRes[arrValue].PhoneCalls[outRes[arrValue].urb_total - 1].PhoneNumber = stepData.PhoneNumber;
                                outRes[arrValue].PhoneCalls[outRes[arrValue].urb_total - 1].ScheduledEnd = stepData.ScheduledEnd;

                                if (stepData.RegardingObjectId != null && stepData.RegardingObjectId.Id != null && stepData.RegardingObjectId.LogicalName == "lead") {
                                    outRes[arrValue].PhoneCalls[outRes[arrValue].urb_total - 1].RegardingObjectId = stepData.RegardingObjectId;
                                    outRes[arrValue].urb_clnts += 1;
                }
            }

        for (var loop = 0; loop < outRes.length; loop++)
            if (typeof (outRes[loop]) != 'undefined') {
                outRes[loop].urb_subjectName = outRes[loop].urb_subjectName + " ( " + outRes[loop].urb_total + " - " + outRes[loop].urb_clnts + " )";
                dataRes[tmpLoop] = outRes[loop];
                tmpLoop++;
            }

        return dataRes; //data.d.results;
    },
    type: "json"
}

It's OKay and I can see children in that way. But by default, property of 'hasChildren' is 'true' and I make scheme for children like in API reference:

children: { // <- instead of "PhoneCalls"
  schema: {
    data: "PhoneCalls",
      model: {
        hasChildren: false
        }
     }
  }

, and quite lose children.

Can anyone help define children property with scheme correctly?