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<script type="text/javascript">
// based on an answer found at https://stackoverflow.com/questions/5180382/convert-json-data-to-a-html-table

// Builds the HTML Table out of myList.
function buildHtmlTable(selector, dataList) {
  AJS.$(selector).html('');
  var columns = addAllColumnHeaders(dataList, selector);

  for (var i = 0; i < dataList.length; i++) {
    var row$ = AJS.$('<tr/>');
    for (var colIndex = 0; colIndex < columns.length; colIndex++) {
      var cellValue = dataList[i][columns[colIndex]];
      if (cellValue == null) cellValue = "";
      row$.append(AJS.$('<td/>').html(cellValue));
    }
    $(selector).append(row$);
  }
}

// Adds a header row to the table and returns the set of columns.
// Need to do union of keys from all records as some records may not contain
// all records.
function addAllColumnHeaders(dataList, selector) {
  var columnSet = [];
  var headerTr$ = AJS.$('<tr/>');

  for (var i = 0; i < dataList.length; i++) {
    var rowHash = dataList[i];
    for (var key in rowHash) {
      if ($.inArray(key, columnSet) == -1) {
        columnSet.push(key);
        headerTr$.append(AJS.$('<th/>').html(key));
      }
    }
  }
  $(selector).append(headerTr$);

  return columnSet;
}

function findProp(obj, prop, defval){
    if (typeof defval == 'undefined') defval = null;
    prop = prop.split('.');
    for (var i = 0; i < prop.length; i++) {
        if(typeof obj[prop[i]] == 'undefined')
            return defval;
        obj = obj[prop[i]];
    }
    return obj;
}

function transformData(dataArray, transformTemplate) {
    var transformed = [];
    for (var i = 0; i < dataArray.length; i++) {
      var dataRow = dataArray[i];
      var transformedRow = {};
      for (var j = 0; j < transformTemplate.length; j++) {  
        var propValue = findProp(dataRow, transformTemplate[j].prop);
        transformedRow[transformTemplate[j].name] = propValue;

        if (dataRow['renderer'] != null) {
          var propValues = JSON.parse(propValue);
          var values = '';
          for (var k = 0; k < propValues.length; k++) {
            var val = findProp(propValues[k], dataRow['renderer']);
            if (val != null) {
               if (values != '') {
                 values = values + ', ';
               }
               values = values + val;
            }
          }
        }
      }
      transformed.push(transformedRow);
    } 
 return transformed;
}

</script>