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Filename : history.js
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/**
 * @fileoverview    function used in this file builds history tab and generates query.
 *
 * @requires    jQuery
 * @requires    move.js
 */

/* global contr */ // js/designer/init.js
/* global fromArray:writable */ // js/designer/move.js
/* global themeImagePath */ // templates/javascript/variables.twig

var DesignerHistory = {};
var historyArray = []; // Global array to store history objects
var selectField = []; // Global array to store information for columns which are used in select clause
var gIndex;
var vqbEditor = null;

/**
 * To display details of objects(where,rename,Having,aggregate,groupby,orderby,having)
 *
 * @param {number} index index of historyArray where change is to be made
 * @return {string}
 */
DesignerHistory.detail = function (index) {
  var type = historyArray[index].getType();
  var str;
  if (type === 'Where') {
    str = 'Where ' + historyArray[index].getColumnName() + historyArray[index].getObj().getRelationOperator() + historyArray[index].getObj().getQuery();
  } else if (type === 'Rename') {
    str = 'Rename ' + historyArray[index].getColumnName() + ' To ' + historyArray[index].getObj().getRenameTo();
  } else if (type === 'Aggregate') {
    str = 'Select ' + historyArray[index].getObj().getOperator() + '( ' + historyArray[index].getColumnName() + ' )';
  } else if (type === 'GroupBy') {
    str = 'GroupBy ' + historyArray[index].getColumnName();
  } else if (type === 'OrderBy') {
    str = 'OrderBy ' + historyArray[index].getColumnName() + ' ' + historyArray[index].getObj().getOrder();
  } else if (type === 'Having') {
    str = 'Having ';
    if (historyArray[index].getObj().getOperator() !== 'None') {
      str += historyArray[index].getObj().getOperator() + '( ' + historyArray[index].getColumnName() + ' )';
      str += historyArray[index].getObj().getRelationOperator() + historyArray[index].getObj().getQuery();
    } else {
      str = 'Having ' + historyArray[index].getColumnName() + historyArray[index].getObj().getRelationOperator() + historyArray[index].getObj().getQuery();
    }
  }
  return str;
};

/**
 * Sorts historyArray[] first,using table name as the key and then generates the HTML code for history tab,
 * clubbing all objects of same tables together
 * This function is called whenever changes are made in historyArray[]
 *
 *
 * @param {number} init starting index of unsorted array
 * @param {number} finit last index of unsorted array
 * @return {string}
 */
DesignerHistory.display = function (init, finit) {
  var str;
  var i;
  var j;
  var k;
  var sto;
  var temp;
  // this part sorts the history array based on table name,this is needed for clubbing all object of same name together.
  for (i = init; i < finit; i++) {
    sto = historyArray[i];
    temp = historyArray[i].getTab(); // + '.' + historyArray[i].getObjNo(); for Self JOINS
    for (j = 0; j < i; j++) {
      if (temp > historyArray[j].getTab()) {
        // + '.' + historyArray[j].getObjNo())) { //for Self JOINS
        for (k = i; k > j; k--) {
          historyArray[k] = historyArray[k - 1];
        }
        historyArray[j] = sto;
        break;
      }
    }
  }
  // this part generates HTML code for history tab.adds delete,edit,and/or and detail features with objects.
  str = ''; // string to store Html code for history tab
  var historyArrayLength = historyArray.length;
  for (i = 0; i < historyArrayLength; i++) {
    temp = historyArray[i].getTab(); // + '.' + historyArray[i].getObjNo(); for Self JOIN
    str += '<h3 class="tiger"><a href="#">' + temp + '</a></h3>';
    str += '<div class="toggle_container">\n';
    while (historyArray[i].getTab() === temp) {
      // + '.' + historyArray[i].getObjNo()) === temp) {
      str += '<div class="block"> <table class="table table-sm w-auto mb-0">';
      str += '<thead><tr><td>';
      if (historyArray[i].getAndOr()) {
        str += '<img src="' + themeImagePath + 'designer/or_icon.png" onclick="DesignerHistory.andOr(' + i + ')" title="OR"></td>';
      } else {
        str += '<img src="' + themeImagePath + 'designer/and_icon.png" onclick="DesignerHistory.andOr(' + i + ')" title="AND"></td>';
      }
      str += '<td style="padding-left: 5px;" class="text-end">' + Functions.getImage('b_sbrowse', Messages.strColumnName) + '</td>' + '<td width="175" style="padding-left: 5px">' + $('<div/>').text(historyArray[i].getColumnName()).html() + '<td>';
      if (historyArray[i].getType() === 'GroupBy' || historyArray[i].getType() === 'OrderBy') {
        var detailDescGroupBy = $('<div/>').text(DesignerHistory.detail(i)).html();
        str += '<td class="text-center">' + Functions.getImage('s_info', DesignerHistory.detail(i)) + '</td>' + '<td title="' + detailDescGroupBy + '">' + historyArray[i].getType() + '</td>' + '<td onclick=DesignerHistory.historyDelete(' + i + ')>' + Functions.getImage('b_drop', Messages.strDelete) + '</td>';
      } else {
        var detailDesc = $('<div/>').text(DesignerHistory.detail(i)).html();
        str += '<td class="text-center">' + Functions.getImage('s_info', DesignerHistory.detail(i)) + '</td>' + '<td title="' + detailDesc + '">' + historyArray[i].getType() + '</td>' + '<td onclick=DesignerHistory.historyEdit(' + i + ')>' + Functions.getImage('b_edit', Messages.strEdit) + '</td>' + '<td onclick=DesignerHistory.historyDelete(' + i + ')>' + Functions.getImage('b_drop', Messages.strDelete) + '</td>';
      }
      str += '</tr></thead>';
      i++;
      if (i >= historyArrayLength) {
        break;
      }
      str += '</table></div>';
    }
    i--;
    str += '</div>';
  }
  return str;
};

/**
 * To change And/Or relation in history tab
 *
 *
 * @param {number} index index of historyArray where change is to be made
 * @return {void}
 */
DesignerHistory.andOr = function (index) {
  if (historyArray[index].getAndOr()) {
    historyArray[index].setAndOr(0);
  } else {
    historyArray[index].setAndOr(1);
  }
  var existingDiv = document.getElementById('ab');
  existingDiv.innerHTML = DesignerHistory.display(0, 0);
  $('#ab').accordion('refresh');
};

/**
 * Deletes entry in historyArray
 *
 * @param {number} index of historyArray[] which is to be deleted
 * @return {void}
 */
DesignerHistory.historyDelete = function (index) {
  var fromArrayLength = fromArray.length;
  for (var k = 0; k < fromArrayLength; k++) {
    if (fromArray[k] === historyArray[index].getTab()) {
      fromArray.splice(k, 1);
      break;
    }
  }
  historyArray.splice(index, 1);
  var existingDiv = document.getElementById('ab');
  existingDiv.innerHTML = DesignerHistory.display(0, 0);
  $('#ab').accordion('refresh');
};

/**
 * @param {string} elementId
 * @return {void}
 */
DesignerHistory.changeStyle = function (elementId) {
  var element = document.getElementById(elementId);
  element.style.left = '530px';
  element.style.top = '130px';
  element.style.position = 'absolute';
  element.style.zIndex = '103';
  element.style.visibility = 'visible';
  element.style.display = 'block';
};

/**
 * To show where,rename,aggregate,having forms to edit a object
 *
 * @param {number} index index of historyArray where change is to be made
 * @return {void}
 */
DesignerHistory.historyEdit = function (index) {
  gIndex = index;
  var type = historyArray[index].getType();
  if (type === 'Where') {
    document.getElementById('eQuery').value = historyArray[index].getObj().getQuery();
    document.getElementById('erel_opt').value = historyArray[index].getObj().getRelationOperator();
    DesignerHistory.changeStyle('query_where');
  } else if (type === 'Having') {
    document.getElementById('hQuery').value = historyArray[index].getObj().getQuery();
    document.getElementById('hrel_opt').value = historyArray[index].getObj().getRelationOperator();
    document.getElementById('hoperator').value = historyArray[index].getObj().getOperator();
    DesignerHistory.changeStyle('query_having');
  } else if (type === 'Rename') {
    document.getElementById('e_rename').value = historyArray[index].getObj().getRenameTo();
    DesignerHistory.changeStyle('query_rename_to');
  } else if (type === 'Aggregate') {
    document.getElementById('e_operator').value = historyArray[index].getObj().getOperator();
    DesignerHistory.changeStyle('query_Aggregate');
  }
};

/**
 * Make changes in historyArray when Edit button is clicked
 * checks for the type of object and then sets the new value
 *
 * @param {string} type of historyArray where change is to be made
 * @return {void}
 */
DesignerHistory.edit = function (type) {
  if (type === 'Rename') {
    if (document.getElementById('e_rename').value !== '') {
      historyArray[gIndex].getObj().setRenameTo(document.getElementById('e_rename').value);
      document.getElementById('e_rename').value = '';
    }
    document.getElementById('query_rename_to').style.visibility = 'hidden';
  } else if (type === 'Aggregate') {
    if (document.getElementById('e_operator').value !== '---') {
      historyArray[gIndex].getObj().setOperator(document.getElementById('e_operator').value);
      document.getElementById('e_operator').value = '---';
    }
    document.getElementById('query_Aggregate').style.visibility = 'hidden';
  } else if (type === 'Where') {
    if (document.getElementById('erel_opt').value !== '--' && document.getElementById('eQuery').value !== '') {
      historyArray[gIndex].getObj().setQuery(document.getElementById('eQuery').value);
      historyArray[gIndex].getObj().setRelationOperator(document.getElementById('erel_opt').value);
    }
    document.getElementById('query_where').style.visibility = 'hidden';
  } else if (type === 'Having') {
    if (document.getElementById('hrel_opt').value !== '--' && document.getElementById('hQuery').value !== '') {
      historyArray[gIndex].getObj().setQuery(document.getElementById('hQuery').value);
      historyArray[gIndex].getObj().setRelationOperator(document.getElementById('hrel_opt').value);
      historyArray[gIndex].getObj().setOperator(document.getElementById('hoperator').value);
    }
    document.getElementById('query_having').style.visibility = 'hidden';
  }
  var existingDiv = document.getElementById('ab');
  existingDiv.innerHTML = DesignerHistory.display(0, 0);
  $('#ab').accordion('refresh');
};

/**
 * history object closure
 *
 * @param nColumnName  name of the column on which conditions are put
 * @param nObj          object details(where,rename,orderby,groupby,aggregate)
 * @param nTab          table name of the column on which conditions are applied
 * @param nObjNo       object no used for inner join
 * @param nType         type of object
 *
 */
DesignerHistory.HistoryObj = function (nColumnName, nObj, nTab, nObjNo, nType) {
  var andOr;
  var obj;
  var tab;
  var columnName;
  var objNo;
  var type;
  this.setColumnName = function (nColumnName) {
    columnName = nColumnName;
  };
  this.getColumnName = function () {
    return columnName;
  };
  this.setAndOr = function (nAndOr) {
    andOr = nAndOr;
  };
  this.getAndOr = function () {
    return andOr;
  };
  this.getRelation = function () {
    return andOr;
  };
  this.setObj = function (nObj) {
    obj = nObj;
  };
  this.getObj = function () {
    return obj;
  };
  this.setTab = function (nTab) {
    tab = nTab;
  };
  this.getTab = function () {
    return tab;
  };
  this.setObjNo = function (nObjNo) {
    objNo = nObjNo;
  };
  this.getObjNo = function () {
    return objNo;
  };
  this.setType = function (nType) {
    type = nType;
  };
  this.getType = function () {
    return type;
  };
  this.setObjNo(nObjNo);
  this.setTab(nTab);
  this.setAndOr(0);
  this.setObj(nObj);
  this.setColumnName(nColumnName);
  this.setType(nType);
};

/**
 * where object closure, makes an object with all information of where
 *
 * @param nRelationOperator type of relation operator to be applied
 * @param nQuery             stores value of value/sub-query
 *
 */

DesignerHistory.Where = function (nRelationOperator, nQuery) {
  var relationOperator;
  var query;
  this.setRelationOperator = function (nRelationOperator) {
    relationOperator = nRelationOperator;
  };
  this.setQuery = function (nQuery) {
    query = nQuery;
  };
  this.getQuery = function () {
    return query;
  };
  this.getRelationOperator = function () {
    return relationOperator;
  };
  this.setQuery(nQuery);
  this.setRelationOperator(nRelationOperator);
};

/**
 * Orderby object closure
 *
 * @param nOrder order, ASC or DESC
 */
DesignerHistory.OrderBy = function (nOrder) {
  var order;
  this.setOrder = function (nOrder) {
    order = nOrder;
  };
  this.getOrder = function () {
    return order;
  };
  this.setOrder(nOrder);
};

/**
 * Having object closure, makes an object with all information of where
 *
 * @param nRelationOperator type of relation operator to be applied
 * @param nQuery             stores value of value/sub-query
 * @param nOperator          operator
 */
DesignerHistory.Having = function (nRelationOperator, nQuery, nOperator) {
  var relationOperator;
  var query;
  var operator;
  this.setOperator = function (nOperator) {
    operator = nOperator;
  };
  this.setRelationOperator = function (nRelationOperator) {
    relationOperator = nRelationOperator;
  };
  this.setQuery = function (nQuery) {
    query = nQuery;
  };
  this.getQuery = function () {
    return query;
  };
  this.getRelationOperator = function () {
    return relationOperator;
  };
  this.getOperator = function () {
    return operator;
  };
  this.setQuery(nQuery);
  this.setRelationOperator(nRelationOperator);
  this.setOperator(nOperator);
};

/**
 * rename object closure,makes an object with all information of rename
 *
 * @param nRenameTo new name information
 *
 */
DesignerHistory.Rename = function (nRenameTo) {
  var renameTo;
  this.setRenameTo = function (nRenameTo) {
    renameTo = nRenameTo;
  };
  this.getRenameTo = function () {
    return renameTo;
  };
  this.setRenameTo(nRenameTo);
};

/**
 * aggregate object closure
 *
 * @param nOperator aggregate operator
 *
 */
DesignerHistory.Aggregate = function (nOperator) {
  var operator;
  this.setOperator = function (nOperator) {
    operator = nOperator;
  };
  this.getOperator = function () {
    return operator;
  };
  this.setOperator(nOperator);
};

/**
 * This function returns unique element from an array
 *
 * @param arrayName array from which duplicate elem are to be removed.
 * @return unique array
 */

DesignerHistory.unique = function (arrayName) {
  var newArray = [];
  uniquetop: for (var i = 0; i < arrayName.length; i++) {
    var newArrayLength = newArray.length;
    for (var j = 0; j < newArrayLength; j++) {
      if (newArray[j] === arrayName[i]) {
        continue uniquetop;
      }
    }
    newArray[newArrayLength] = arrayName[i];
  }
  return newArray;
};

/**
 * This function takes in array and a value as input and returns 1 if values is present in array
 * else returns -1
 *
 * @param arrayName array
 * @param value  value which is to be searched in the array
 */

DesignerHistory.found = function (arrayName, value) {
  var arrayNameLength = arrayName.length;
  for (var i = 0; i < arrayNameLength; i++) {
    if (arrayName[i] === value) {
      return 1;
    }
  }
  return -1;
};

/**
 * This function concatenates two array
 *
 * @param {object} add array elements of which are pushed in
 * @param {obj[]} arr array in which elements are added
 *
 * @return {obj[]}
 */
DesignerHistory.addArray = function (add, arr) {
  var addLength = add.length;
  for (var i = 0; i < addLength; i++) {
    arr.push(add[i]);
  }
  return arr;
};

/**
 * This function removes all elements present in one array from the other.
 *
 * @param {object} rem array from which each element is removed from other array.
 * @param {obj[]} arr array from which elements are removed.
 *
 * @return {obj[]}
 *
 */
DesignerHistory.removeArray = function (rem, arr) {
  var remLength = rem.length;
  for (var i = 0; i < remLength; i++) {
    var arrLength = arr.length;
    for (var j = 0; j < arrLength; j++) {
      if (rem[i] === arr[j]) {
        arr.splice(j, 1);
      }
    }
  }
  return arr;
};

/**
 * This function builds the groupby clause from history object
 * @return {string}
 */
DesignerHistory.queryGroupBy = function () {
  var i;
  var str = '';
  var historyArrayLength = historyArray.length;
  for (i = 0; i < historyArrayLength; i++) {
    if (historyArray[i].getType() === 'GroupBy') {
      str += '`' + historyArray[i].getColumnName() + '`, ';
    }
  }
  str = str.substr(0, str.length - 2);
  return str;
};

/**
 * This function builds the Having clause from the history object.
 * @return {string}
 */
DesignerHistory.queryHaving = function () {
  var i;
  var and = '(';
  var historyArrayLength = historyArray.length;
  for (i = 0; i < historyArrayLength; i++) {
    if (historyArray[i].getType() === 'Having') {
      if (historyArray[i].getObj().getOperator() !== 'None') {
        and += historyArray[i].getObj().getOperator() + '(`' + historyArray[i].getColumnName() + '`) ' + historyArray[i].getObj().getRelationOperator();
        and += ' ' + historyArray[i].getObj().getQuery() + ', ';
      } else {
        and += '`' + historyArray[i].getColumnName() + '` ' + historyArray[i].getObj().getRelationOperator() + ' ' + historyArray[i].getObj().getQuery() + ', ';
      }
    }
  }
  if (and === '(') {
    and = '';
  } else {
    and = and.substr(0, and.length - 2) + ')';
  }
  return and;
};

/**
 * This function builds the orderby clause from the history object.
 * @return {string}
 */
DesignerHistory.queryOrderBy = function () {
  var i;
  var str = '';
  var historyArrayLength = historyArray.length;
  for (i = 0; i < historyArrayLength; i++) {
    if (historyArray[i].getType() === 'OrderBy') {
      str += '`' + historyArray[i].getColumnName() + '` ' + historyArray[i].getObj().getOrder() + ', ';
    }
  }
  str = str.substr(0, str.length - 2);
  return str;
};

/**
 * This function builds the Where clause from the history object.
 * @return {string}
 */
DesignerHistory.queryWhere = function () {
  var i;
  var and = '(';
  var or = '(';
  var historyArrayLength = historyArray.length;
  for (i = 0; i < historyArrayLength; i++) {
    if (historyArray[i].getType() === 'Where') {
      if (historyArray[i].getAndOr() === 0) {
        and += '( `' + historyArray[i].getColumnName() + '` ' + historyArray[i].getObj().getRelationOperator() + ' ' + historyArray[i].getObj().getQuery() + ')';
        and += ' AND ';
      } else {
        or += '( `' + historyArray[i].getColumnName() + '` ' + historyArray[i].getObj().getRelationOperator() + ' ' + historyArray[i].getObj().getQuery() + ')';
        or += ' OR ';
      }
    }
  }
  if (or !== '(') {
    or = or.substring(0, or.length - 4) + ')';
  } else {
    or = '';
  }
  if (and !== '(') {
    and = and.substring(0, and.length - 5) + ')';
  } else {
    and = '';
  }
  if (or !== '') {
    and = and + ' OR ' + or + ' )';
  }
  return and;
};
DesignerHistory.checkAggregate = function (idThis) {
  var i;
  var historyArrayLength = historyArray.length;
  for (i = 0; i < historyArrayLength; i++) {
    var temp = '`' + historyArray[i].getTab() + '`.`' + historyArray[i].getColumnName() + '`';
    if (temp === idThis && historyArray[i].getType() === 'Aggregate') {
      return historyArray[i].getObj().getOperator() + '(' + idThis + ')';
    }
  }
  return '';
};
DesignerHistory.checkRename = function (idThis) {
  var i;
  var historyArrayLength = historyArray.length;
  for (i = 0; i < historyArrayLength; i++) {
    var temp = '`' + historyArray[i].getTab() + '`.`' + historyArray[i].getColumnName() + '`';
    if (temp === idThis && historyArray[i].getType() === 'Rename') {
      return ' AS `' + historyArray[i].getObj().getRenameTo() + '`';
    }
  }
  return '';
};

/**
  * This function builds from clause of query
  * makes automatic joins.
  *
  * @return {string}
  */
DesignerHistory.queryFrom = function () {
  var i;
  var tabLeft = [];
  var tabUsed = [];
  var tTabLeft = [];
  var temp;
  var query = '';
  var quer = '';
  var parts = [];
  var tArray = [];
  tArray = fromArray;
  var K = 0;
  var k;
  var key;
  var key2;
  var key3;
  var parts1;

  // the constraints that have been used in the LEFT JOIN
  var constraintsAdded = [];
  var historyArrayLength = historyArray.length;
  for (i = 0; i < historyArrayLength; i++) {
    fromArray.push(historyArray[i].getTab());
  }
  fromArray = DesignerHistory.unique(fromArray);
  tabLeft = fromArray;
  temp = tabLeft.shift();
  quer = '`' + temp + '`';
  tabUsed.push(temp);

  // if master table (key2) matches with tab used get all keys and check if tab_left matches
  // after this check if master table (key2) matches with tab left then check if any foreign matches with master .
  for (i = 0; i < 2; i++) {
    for (K in contr) {
      for (key in contr[K]) {
        // contr name
        for (key2 in contr[K][key]) {
          // table name
          parts = key2.split('.');
          if (DesignerHistory.found(tabUsed, parts[1]) > 0) {
            for (key3 in contr[K][key][key2]) {
              parts1 = contr[K][key][key2][key3][0].split('.');
              if (DesignerHistory.found(tabLeft, parts1[1]) > 0) {
                if (DesignerHistory.found(constraintsAdded, key) > 0) {
                  query += ' AND ' + '`' + parts[1] + '`.`' + key3 + '` = ';
                  query += '`' + parts1[1] + '`.`' + contr[K][key][key2][key3][1] + '` ';
                } else {
                  query += '\n' + 'LEFT JOIN ';
                  query += '`' + parts[1] + '` ON ';
                  query += '`' + parts1[1] + '`.`' + contr[K][key][key2][key3][1] + '` = ';
                  query += '`' + parts[1] + '`.`' + key3 + '` ';
                  constraintsAdded.push(key);
                }
                tTabLeft.push(parts[1]);
              }
            }
          }
        }
      }
    }
    K = 0;
    tTabLeft = DesignerHistory.unique(tTabLeft);
    tabUsed = DesignerHistory.addArray(tTabLeft, tabUsed);
    tabLeft = DesignerHistory.removeArray(tTabLeft, tabLeft);
    tTabLeft = [];
    for (K in contr) {
      for (key in contr[K]) {
        for (key2 in contr[K][key]) {
          // table name
          parts = key2.split('.');
          if (DesignerHistory.found(tabLeft, parts[1]) > 0) {
            for (key3 in contr[K][key][key2]) {
              parts1 = contr[K][key][key2][key3][0].split('.');
              if (DesignerHistory.found(tabUsed, parts1[1]) > 0) {
                if (DesignerHistory.found(constraintsAdded, key) > 0) {
                  query += ' AND ' + '`' + parts[1] + '`.`' + key3 + '` = ';
                  query += '`' + parts1[1] + '`.`' + contr[K][key][key2][key3][1] + '` ';
                } else {
                  query += '\n' + 'LEFT JOIN ';
                  query += '`' + parts[1] + '` ON ';
                  query += '`' + parts1[1] + '`.`' + contr[K][key][key2][key3][1] + '` = ';
                  query += '`' + parts[1] + '`.`' + key3 + '` ';
                  constraintsAdded.push(key);
                }
                tTabLeft.push(parts[1]);
              }
            }
          }
        }
      }
    }
    tTabLeft = DesignerHistory.unique(tTabLeft);
    tabUsed = DesignerHistory.addArray(tTabLeft, tabUsed);
    tabLeft = DesignerHistory.removeArray(tTabLeft, tabLeft);
    tTabLeft = [];
  }
  for (k in tabLeft) {
    quer += ' , `' + tabLeft[k] + '`';
  }
  query = quer + query;
  fromArray = tArray;
  return query;
};

/**
 * This function is the main function for query building.
 * uses history object details for this.
 *
 * @uses DesignerHistory.queryWhere()
 * @uses DesignerHistory.queryGroupBy()
 * @uses DesignerHistory.queryHaving()
 * @uses DesignerHistory.queryOrderBy()
 */
DesignerHistory.buildQuery = function () {
  var qSelect = 'SELECT ';
  var temp;
  var selectFieldLength = selectField.length;
  if (selectFieldLength > 0) {
    for (var i = 0; i < selectFieldLength; i++) {
      temp = DesignerHistory.checkAggregate(selectField[i]);
      if (temp !== '') {
        qSelect += temp;
        temp = DesignerHistory.checkRename(selectField[i]);
        qSelect += temp + ', ';
      } else {
        temp = DesignerHistory.checkRename(selectField[i]);
        qSelect += selectField[i] + temp + ', ';
      }
    }
    qSelect = qSelect.substring(0, qSelect.length - 2);
  } else {
    qSelect += '* ';
  }
  qSelect += '\nFROM ' + DesignerHistory.queryFrom();
  var qWhere = DesignerHistory.queryWhere();
  if (qWhere !== '') {
    qSelect += '\nWHERE ' + qWhere;
  }
  var qGroupBy = DesignerHistory.queryGroupBy();
  if (qGroupBy !== '') {
    qSelect += '\nGROUP BY ' + qGroupBy;
  }
  var qHaving = DesignerHistory.queryHaving();
  if (qHaving !== '') {
    qSelect += '\nHAVING ' + qHaving;
  }
  var qOrderBy = DesignerHistory.queryOrderBy();
  if (qOrderBy !== '') {
    qSelect += '\nORDER BY ' + qOrderBy;
  }
  $('#buildQuerySubmitButton').on('click', function () {
    if (vqbEditor) {
      var $elm = $('#buildQueryModal').find('textarea');
      vqbEditor.save();
      $elm.val(vqbEditor.getValue());
    }
    $('#vqb_form').trigger('submit');
  });
  $('#buildQueryModal').modal('show');
  $('#buildQueryModalLabel').first().text('SELECT');
  $('#buildQueryModal').on('shown.bs.modal', function () {
    // Attach syntax highlighted editor to query dialog
    /**
     * @var $elm jQuery object containing the reference
     *           to the query textarea.
     */
    var $elm = $('#buildQueryModal').find('textarea');
    if (!vqbEditor) {
      vqbEditor = Functions.getSqlEditor($elm);
    }
    if (vqbEditor) {
      vqbEditor.setValue(qSelect);
      vqbEditor.focus();
    } else {
      $elm.val(qSelect);
      $elm.trigger('focus');
    }
  });
};
AJAX.registerTeardown('designer/history.js', function () {
  vqbEditor = null;
  historyArray = [];
  selectField = [];
  $('#ok_edit_rename').off('click');
  $('#ok_edit_having').off('click');
  $('#ok_edit_Aggr').off('click');
  $('#ok_edit_where').off('click');
});
AJAX.registerOnload('designer/history.js', function () {
  $('#ok_edit_rename').on('click', function () {
    DesignerHistory.edit('Rename');
  });
  $('#ok_edit_having').on('click', function () {
    DesignerHistory.edit('Having');
  });
  $('#ok_edit_Aggr').on('click', function () {
    DesignerHistory.edit('Aggregate');
  });
  $('#ok_edit_where').on('click', function () {
    DesignerHistory.edit('Where');
  });
  $('#ab').accordion({
    collapsible: true,
    active: 'none'
  });
});