my_app.js

  SC.ready(function() {
    var records;
    MT.mainPane = SC.TemplatePane.append({
      layerId: 'my_app',
      templateName: 'my_app'
    });
    records = MT.MyRecord.originals();
    MT.myRecords.set('content', records);
    return MT.myRecords.selectObject(records.objectAt(0));
  });

my_records_controller.js

  MT.myRecords = SC.ArrayController.create({
    content: [],
    selection: null,
  });

my_records_list_view.js

  MT.MyRecordsListView = SC.TemplateCollectionViewWithSelection.extend({
    contentBinding: 'MT.myRecords.content',
    selectionBinding: 'MT.myRecords.selection'
  });

template_collection_view_with_selection.js

  SC.TemplateCollectionViewWithSelection = SC.TemplateCollectionView.extend({

    arrayContentDidChange: function() {
      console.log("arrayContentDidChange");
      return sc_super();
    },
    selectionDidChange: (function() {
      var content, idx, item, selected;
      console.log("selectionDidChange");
      // ...
    }
  }