WebCompDev / COMPONENTS

  <link rel="import" href="../../bower_components/polymer/polymer.html" />
  
  <link rel="import" href="../../bower_components/paper-material/paper-material.html" />
  
  <link rel="import" href="../../bower_components/paper-dropdown-menu/paper-dropdown-menu.html">
  <link rel="import" href="../../bower_components/paper-menu/paper-menu.html">
  <link rel="import" href="../../bower_components/paper-item/paper-item.html">
  
  <link rel="import" href="../../bower_components/paper-icon-button/paper-icon-button.html">
  <link rel="import" href="../../bower_components/iron-icons/iron-icons.html">
  <link rel="import" href="../../bower_components/iron-icon/iron-icon.html">
  
  <link rel="import" href="../../bower_components/paper-input/paper-textarea.html">

  <link rel="import" href="../../bower_components/paper-input/paper-input.html">

  
  <link rel="import" href="../../bower_components/paper-button/paper-button.html">
  

  <link rel="import" href="../../bower_components/paper-dialog/paper-dialog.html">
  

  <link rel="import" href="../items-vslider-controllet/items-vslider-controllet.html" />
  

  <script src="../../../DEEPCLIENT/js/deepClient.js"></script>

  
  <dom-module id="datalet-selection-controllet">
  
      <template>
  
          <style is="custom-style">

              :host {
              --paper-dropdown-menu-icon: {
                   color: #2196F3;
               };
              }

  
              #datalet_selection_container {
                  display: flex;
                  font-family: 'Roboto', 'Helvetica Neue', Helvetica, Arial, sans-serif;
                  font-size: 16px;

                  margin-top: 8px;

              }
  

              #items_vslider_controllet {
                  position: relative;

                  min-width: 172px;

              }
  

              #datalet_selection_inputs {
                  position: relative;
                  height: 100vh;
                  margin-left: 32px;

                  min-width: 258px;

              }
  
              #datalet_selection_labels {
                  position: relative;
                  height: 100vh;
                  margin-left: 32px;

                  min-width: 258px;

              }
  
              #datalet_selection_column {
                  position: relative;
                  width: 100%;
                  margin-left: 32px;
              }
  
              #datalet_selection_datalet {
                  position: relative;
                  height: 100vh;
                  width: 100%;

              }
  
              #datalet_selection_datalet_placeholder {
                  padding: 16px;
              }
  
              .inputs{
                  position: relative;

              }
  

              .input_header {
                  height: 32px;
                  padding-top: 16px;
                  text-align: center;
                  font-weight: 700;
                  background-color: #B6B6B6;
              }
  
              #expert_container {
                  display: none;
              }

              #expert_header {
                  display: none;

                  height: 32px;
                  padding-top: 16px;

                  margin-top: 8px;

                  text-align: center;
                  font-weight: 700;

                  color: #00BCD4;
                  cursor: pointer;
              }
  
              .field_nema {
                  height: 40px;
                  padding-top: 8px;
  
                  margin-top: 8px;
                  padding-left: 16px;
                  font-weight: 700;
                  color: #2196F3;
                  background-color: #E0E0E0;

              }
  
              .info_button {

                  position: absolute;

                  top: 18px;

                  right: 0px;
              }
  

              paper-input {

                  display: inline-block;

                  height: 48px;

                  /*padding: 0px 8px;*/
                  width: 210px;
                  padding-left: 8px;
                  padding-bottom: 8px;

                  --paper-input-container-focus-color: #2196F3;
              }
  

              paper-input.base_input {
                  width: 242px;
              }
  
              paper-textarea {

                  width: 242px;
                  padding-left: 8px;
                  padding-bottom: 4px;
                  --paper-input-container-focus-color: #2196F3;
              }
  

              paper-dropdown-menu {

                  height: 48px;

                  width: 210px;;

                  padding-left: 8px;
                  padding-bottom: 8px;

                  --paper-input-container-focus-color: #2196F3;
              }
  
              paper-item.iron-selected {
                  background-color: #2196F3;
                  color: #FFFFFF;
              }
  
              paper-icon-button {

                  color: #2196F3;

                  --paper-icon-button-ink-color: #2196F3;

                  margin: 0px;

              }
  
              paper-button {

                  position: absolute;
                  bottom: 16px;
                  right: 11px;
  

                  height: 48px;
                  width: 172px;
                  background-color: #00BCD4;
                  color: white;
                  font-weight: 700;
                  padding: 16px;
              }
  
              paper-button:hover {
                  background-color: #00AABF;

  
                  box-shadow: 0px 8px 12px #888;
                  -webkit-box-shadow: 0px 8px 12px #888;
                  -moz-box-shadow: 0px 8px 12px #888;

              }

  
              paper-button[disabled] {
                  background-color: #B6B6B6;
              }

              #dialog_info_input {

                  border: 2px solid #2196F3;
                  background-color: #E0E0E0;

                  min-width: 248px;

              }

          </style>
  

          <iron-ajax id="selectedDatalet_request" on-response="_handleSelectedDatalet"></iron-ajax>

  
          <div id="datalet_selection_container">

  
              <div id="items_vslider_controllet">
                  <items-vslider-controllet id="vslider" datalets-list-url={{dataletsListUrl}} preselected-datalet={{preselectedDatalet}}></items-vslider-controllet>
              </div>

              <paper-material id="datalet_selection_inputs" elevation="5">

                  <div class="input_header"><span id="inputs"></span></div>

                  <template is="dom-repeat" items="{{inputs}}" index-as="ddl_index">

                      <div class="inputs">

                          <paper-dropdown-menu id={{ddl_index}} label={{_getLabelName(item.name)}}>

                              <paper-menu class="dropdown-content">

                                  <template is="dom-repeat" items={{fields}}>

                                      <paper-item id={{index}} on-tap="_addInput">{{_fieldName(item)}}</paper-item>

                                      <!--{{_fieldName(item)}}-->

                                  </template>
                              </paper-menu>
                          </paper-dropdown-menu>

                          <div class="info_button">

                              <paper-icon-button id={{item.name}} on-click="_showInfo" icon="info-outline" title="{{_getLabelName(item.name)}} info"></paper-icon-button>

                          </div>

                      </div>
                  </template>

  
                  <!-- EXPERT MODE EXPERT MODE EXPERT MODE EXPERT MODE EXPERT MODE EXPERT MODE EXPERT MODE EXPERT MODE -->
  

                  <div id="expert_header" on-click="_showExpertMode"><span id="groupBy"></span></div>

  
                  <div id="expert_container">
  
                      <div class="inputs">

                          <paper-dropdown-menu id="group_by">

                              <paper-menu class="dropdown-content">

                                  <template is="dom-repeat" items={{fields}}>

                                      <paper-item id={{index}} on-tap="_showGroupedFields">{{_fieldName(item)}}</paper-item>
                                  </template>
                              </paper-menu>
                          </paper-dropdown-menu>
                          <div class="info_button">

                              <paper-icon-button id="gb" on-click="_addOrder" icon="unfold-more" title=""></paper-icon-button>

                          </div>
                      </div>
  
                      <template is="dom-repeat" items="{{groupedFields}}">
                          <div class="inputs">

                              <paper-dropdown-menu id="calculate_{{index}}" label="{{_calculateLabel()}}">

                                  <paper-menu class="dropdown-content">

                                      <!--foreach functions-->
                                      <paper-item id="0" on-tap="_addGroupByInput">{{_operationName(0)}} {{_fieldName(item)}}</paper-item>
                                      <paper-item id="1" on-tap="_addGroupByInput">{{_operationName(1)}} {{_fieldName(item)}}</paper-item>
                                      <paper-item id="2" on-tap="_addGroupByInput">{{_operationName(2)}} {{_fieldName(item)}}</paper-item>
                                      <paper-item id="3" on-tap="_addGroupByInput">{{_operationName(3)}} {{_fieldName(item)}}</paper-item>
                                      <paper-item id="4" on-tap="_addGroupByInput">{{_operationName(4)}} {{_fieldName(item)}}</paper-item>
                                      <paper-item id="5" on-tap="_addGroupByInput">{{_operationName(5)}} {{_fieldName(item)}}</paper-item>
                                      <paper-item id="6" on-tap="_addGroupByInput">{{_operationName(6)}} {{_fieldName(item)}}</paper-item>

                                  </paper-menu>
                              </paper-dropdown-menu>
                              <div class="info_button">

                                  <paper-icon-button id={{_fieldName(item)}} on-click="_addOrder" icon="unfold-more" title=""></paper-icon-button>

                              </div>
                          </div>
                      </template>
  
                  </div>
  
                  <!-- EXPERT MODE EXPERT MODE EXPERT MODE EXPERT MODE EXPERT MODE EXPERT MODE EXPERT MODE EXPERT MODE -->
  

              </paper-material>
  
              <paper-material id="datalet_selection_labels" elevation="5">

                  <div class="input_header"><span id="baseInfo"></span></div>

  
                  <div class="inputs">

                      <paper-input id="base_title" maxlength="32" class="base_input"></paper-input>

                  </div>
  
                  <div class="inputs">

                      <paper-textarea id="base_description" maxlength="100" class="base_input"></paper-textarea>

                  </div>
  

                  <div class="input_header"><span id="layouts"></span></div>

                  <template is="dom-repeat" items="{{labels}}" index-as="index">
                      <div class="inputs">

                          <paper-input label={{_getLabelName(item.name)}}></paper-input>

                          <div class="info_button">

                              <paper-icon-button id={{item.name}} on-click="_showInfo" icon="info-outline" title="{{_getLabelName(item.name)}} info"></paper-icon-button>

                          </div>

                      </div>
                  </template>
              </paper-material>
  
  
              <div id="datalet_selection_column">

                  <paper-material id="datalet_selection_datalet" elevation="5">

                      <div class="input_header"><span id="dataletPreview"></span></div>

                      <div id="datalet_selection_datalet_placeholder"></div>
  
                  </paper-material>
  

                  <paper-button id="add_button" disabled raised on-click="_addDatalet"></paper-button>

  
              </div>
  

              <paper-dialog id="dialog_info_input">

                  <h2 id="dialog_name"></h2>
                  <p id="dialog_description"></p>
              </paper-dialog>
  

          </div>
  
      </template>
  
      <script>
  
          Polymer({
  
              is : 'datalet-selection-controllet',
  
              properties : {
  
                  deepUrl : {
                      type : String,
                      value : undefined
                  },
  
                  dataletsListUrl : {
                      type : String,
                      value : undefined
                  },
  
                  selectedDatalet : {
                      type  : String,
                      value : undefined
                  },
  

                  preselectedDatalet : {
                      type  : String,
                      value : undefined
                  },
  

                  loadPreview : {
                      type :  Boolean,
                      value : false
                  },
  
                  type : {
                      type : String,
                      value : undefined
                  },
  

                  inputs : {
                      type : Array,
                      value : []
                  },
  
                  labels : {
                      type : Array,
                      value : []
                  },
  

                  filters : {
                      type : Array,
                      value : []
                  },
  
                  aggregators : {
                      type : Array,
                      value : []
                  },
  
                  orders : {
                      type : Array,
                      value : []
                  },
  

                  fields : {
                      type : Array,

                      value : []
                  },
  
                  selectedFields : {
                      type : Array,
                      value : []
                  },
  

                  groupedFields : {
                      type : Array,
                      value : []
                  },
  

                  dataletPreset : {
                      type  : Object,
                      value : []
                  },
  

  //                selectableFields : {
  //                    type : Array,
  //                    value : []
  //                },

  
                  dataUrl : {
                      type  : String,

                      value : undefined

                  },
  

                  params:{
                      type: Object,
                      value: undefined
                  },
  

                  expert : {
                      type  : Boolean,
                      value : false
                  },
  

                  functions : {
                      type  : Array,
                      value : ["COUNT", "SUM", "MIN", "MAX", "AVG", "FIRST", "LAST"]
                  },
  

                  modify : {
                      type  : Boolean,
                      value : false

                  }
  
              },
  
              listeners: {

                  'items-vslider-controllet_selected-datalet': '_selectDatalet',

  //                'tree-view-controllet_selected-fields': '_updateSelectedFields'

                  'change': '_paramsChanged'

              },
  

              _showExpertMode : function() {
                  if(!this.expert) {
                      this.$.expert_header.style.color = "#000000";
                      this.$.expert_header.style.background = "#B6B6B6";
                      this.$.expert_container.style.display = "block";
                  }
                  else {
                      this.$.expert_header.style.color = "#00BCD4";
                      this.$.expert_header.style.background = "#FFFFFF";
                      this.$.expert_container.style.display = "none";
                  }
  
                  this.expert = !this.expert;
              },
  
              _showGroupedFields : function(e) {
                  var index = e.target.id;

                  var temp = [];
  

  //                var isSelected = false;
  //                for (var i = 0; i < this.selectedFields.length; i++) {
  //                    if (this.selectedFields[i]) {
  //                        if (this.selectedFields[i].indexOf(this.fields[index]) > -1) {
  //                            isSelected = true;
  //                        }
  //                        else {
  //                            temp.push(this.selectedFields[i]);
  //                        }
  //                    }
  //                }
  //
  //                if (isSelected)
  //                    this.groupedFields = this._copy(temp);
  //                else
  //                    this.groupedFields =[];
  

                  for (var i = 0; i < this.selectedFields.length; i++) {
                      if (this.selectedFields[i]) {

                          if (i != index) {
                              temp.push(this.selectedFields[i]);

                          }
                      }
                  }
  

                  this.groupedFields = this._copy(temp);

  
                  this.async(function() {
                      var ddls = document.getElementsByTagName("paper-dropdown-menu");
                      for (var i = 0; i < ddls.length; i++){
                          var id = ddls[i].id;
                          if(id.indexOf("calculate") > -1) {
                              $(ddls[i]).find("paper-menu")[0].select(-1);
                              $(ddls[i]).find("paper-menu")[0].select(0);
                          }
                      }
                  }, 0);
  
                  this._addGroupByInput();
              },
  
              ready : function() {

                  this._resize();
                  $(this.$.datalet_selection_inputs).perfectScrollbar();
                  $(this.$.datalet_selection_labels).perfectScrollbar();
                  $(this.$.datalet_selection_datalet).perfectScrollbar();

                  this.params = {'data-url' : this.dataUrl};
  
                  //this.modify = true;//da eliminare in futuro

                  if(this.preselectedDatalet){

                      if(this.modify)
                          this._preselectDatalet();
  

                      this.modify = true;

                      this.preselectedDatalet = undefined;
                  }

              },
  
              attached : function() {
                  this._resize();
                  var that = this;
                  window.addEventListener("resize", function() { that._resize(); });

                  this._translate();

              },
  

              setFilters : function(filters) {
                  this.filters = filters;
              },
  

              setFields : function(fields) {
                  this.fields = fields;
              },
  

              reset : function() {

                  this.selectedDatalet = undefined;//non va!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
                  this.preselectedDatalet = undefined;
                  this.type = undefined;

                  this.inputs = [];
                  this.labels = [];

                  this.$.expert_header.style.display = "none";
                  this.expert = true;
                  this._showExpertMode();
                  this.loadPreview = false;

                  this.$.datalet_selection_datalet_placeholder.innerHTML = "";

                  this._resetGroupBy();

              },
  

              _translate : function(){

  
                  this.$.add_button.innerHTML     = ln["addDatalet_" + ln["localization"]];
                  this.$.inputs.innerHTML         = ln["inputs_" + ln["localization"]];
                  this.$.baseInfo.innerHTML       = ln["baseInfo_" + ln["localization"]];
                  this.$.layouts.innerHTML        = ln["layouts_" + ln["localization"]];
                  this.$.dataletPreview.innerHTML = ln["dataletPreview_" + ln["localization"]];
  

                  this.$.base_title.label = ln["title_" + ln["localization"]];
                  this.$.base_description.label = ln["description_" + ln["localization"]];
  

                  this.$.groupBy.innerHTML = ln["groupBy_" + ln["localization"]];

                  this.$.group_by.setAttribute("label", ln["groupBy_" + ln["localization"]]);

                  if(this.modify)
                      this.$.add_button.innerHTML = ln["modifyDatalet_" + ln["localization"]];

              },
  

              _selectDatalet : function(e){

                  this.$.add_button.setAttribute("disabled", "true");
  

                  this.selectedDatalet = e.detail.datalet;

                  this.$.datalet_selection_datalet_placeholder.innerHTML = "";
  
                  if(!this.selectedDatalet){
                      this.type = undefined;
                      this.inputs = [];
                      this.labels = [];

                      this.$.expert_header.style.display = "none";
                      this.expert = true;
                      this._showExpertMode();

                      this.loadPreview = false;
                  }
                  else{

                      this.$.selectedDatalet_request.url = this.deepUrl + e.detail.datalet + "-datalet";
                      this.$.selectedDatalet_request.generateRequest();

                      this.$.expert_header.style.display = "block";

                  }

              },

              _preselectDatalet : function() {

                  this.type = "undefined";
                  this.$.selectedDatalet_request.url = this.deepUrl + this.preselectedDatalet + "-datalet";
                  this.$.selectedDatalet_request.generateRequest();
  

                  this.selectedDatalet = this.preselectedDatalet;
                  this.selectedFields = this._copy(this.fields);
  

  //                this.filters = JSON.parse(this.dataletPreset["filters"]);

  //                this.aggregators = JSON.parse(this.dataletPreset["aggregators"]);
  //                this.orders = JSON.parse(this.dataletPreset["orders"]);
  

                  this.async(function() {
                      this.selectedFields = this._copy(this.fields);

                      //set info labels options

                      var textarea = this.$.datalet_selection_labels.querySelectorAll("paper-textarea");
                      textarea[0].value = this.dataletPreset["description"];
  
                      var inputs = this.$.datalet_selection_labels.querySelectorAll("paper-input");
                      inputs[0].value = this.dataletPreset["title"];
  
                      for (var i = 1; i < inputs.length; i++)
                          inputs[i].value = this.dataletPreset[this.labels[i-1].name];

                      //set inputs --> prima apri GB e riempi CALCULATE e poi gli ORDERBY???
                      var ddls = document.getElementsByTagName("paper-dropdown-menu");
                      for (var i = 0; i < ddls.length; i++) {
                          var id = ddls[i].id;
                          if (!isNaN(id)) {
  //                            id = parseInt(id);
                              $(ddls[i]).find("paper-menu")[0].select(id);
                          }
                          else if (id.indexOf("group_by") > -1) {
                              ;
                          }
                          else if (id.indexOf("calculate") > -1) {
                              ;
                          }
                      }

                      this.loadPreview = true;
                      this._loadDatalet(this.selectedFields);
                  }, 300);

              },
  

              _handleSelectedDatalet : function(e){

                  if(this.type != e.detail.response.type) {

                      this.inputs = [];
                      this.labels = [];
  
                      var inputs = e.detail.response.idm.inputs.input;
  
                      if (inputs.constructor == Object) {//not Array && inputs.input.selection == "*"
                          var name = inputs.name;
                          var description = inputs.description;
                          var selection = inputs.selection;
                          inputs = [];
                          for (var i in this.fields)

                              inputs.push({name: name + " " + i, description: description, selection: selection});
                      }

                      this.async(function(){
                          this.type = e.detail.response.type;
                          this.inputs = inputs;
                          this.labels = e.detail.response.idm.inputs.layouts.input;

                          this.selectedFields = new Array(inputs.length);
                      },0);
  

                      this._resetGroupBy();
  

                      this.loadPreview = false;
                  }
  
                  else if (this.loadPreview)
                      this._loadDatalet(this.selectedFields);

              },
  

              _resetGroupBy : function(){
                  $(this.$.group_by).find("paper-menu")[0].select(-1);
                  this.groupedFields = [];
                  this.aggregators = [];
              },
  
              _addGroupByInput : function(){
                  this.async(function() {//codice reprlicato!
                      var selectedFields = this.selectedFields;
  
                      var load = true;
  
                      if(this.inputs[0].selection == "*"){
                          var temp = [];
                          for (var i = 0; i < selectedFields.length; i++)
                              if(selectedFields[i])
                                  temp.push(selectedFields[i]);
                          selectedFields = temp;
                      }
                      else {
                          for (var i = 0; i < selectedFields.length; i++)
                              if (!selectedFields[i]) {
                                  load = false;
                                  break;
                              }
                      }
  
                      if(load){
                          this.loadPreview = true;
                          this._loadDatalet(selectedFields);
                      }
                  }, 0);
              },
  
              _addOrder : function(e){
                  var t = e.target;
                  if(t.tagName.indexOf("IRON-ICON") > -1)
                      t = $(e.target).parents("paper-icon-button")[0];
  
                  var icon = t.getAttribute("icon");
                  var name = t.getAttribute("id");
  
                  if(name.indexOf("gb") > -1){
                      var selectedItem = $(this.$.group_by).find("paper-menu")[0].selectedItem;
                      if(selectedItem)
                          name = selectedItem.textContent.trim();
  //                        name = "[" + selectedItem.textContent.trim() + "]";
                      else
                          return;
                  }// else {
  //                    var i = name;
  //                    var ddl = $("#calculate_"+i);
  //
  //                    var label = $(ddl).find("paper-menu")[0].selectedItem.textContent.trim();
  //                    var index = label.split(" ", 2).join(" ").length;
  //                    var field = label.substring(index+1, label.length);
  //                    var operation = label.substring(0, label.indexOf(" "));
  //                    name = operation + "([" + field + "])";
  //                }
  
                  if(icon.indexOf("unfold-more") > -1){
                      t.setAttribute("icon", "expand-less");

                      t.setAttribute("title", ln["sortAscending_" + ln["localization"]]);

                      var orders = this.orders.filter(function (el) { return el.field !== name; });
                      orders.push({"field": name, "operation": "ASC"});
                      this.orders = this._copy(orders);
                  }
                  else if(icon.indexOf("expand-less") > -1){
                      t.setAttribute("icon", "expand-more");

                      t.setAttribute("title", ln["sortDescending_" + ln["localization"]]);

                      var orders = this.orders.filter(function (el) { return el.field !== name; });
                      orders.push({"field": name, "operation": "DESC"});
                      this.orders = this._copy(orders);
                  }
                  else if(icon.indexOf("expand-more") > -1){
                      t.setAttribute("icon", "unfold-more");

                      t.setAttribute("title", ln["unsort_" + ln["localization"]]);

                      var orders = this.orders.filter(function (el) { return el.field !== name; });
                      this.orders = this._copy(orders);
                  }
  
                  this._addGroupByInput();//no buoono
  //                if(load){
  //                    this.loadPreview = true;
  //                    this._loadDatalet(selectedFields);
  //                }
              },
  

              _addInput : function(e){

                  var selectedFields = this._copy(this.selectedFields);

  //                var index = $(e.target).parents("paper-dropdown-menu")[0].id;
  //                selectedFields[index] = e.target.innerHTML.trim();
  
                  var ddl_index = $(e.target).parents("paper-dropdown-menu")[0].id;
                  var index = e.target.id;
                  selectedFields[ddl_index] = this.fields[index];

                  this.selectedFields = this._copy(selectedFields);

                  var load = true;

                  if(this.inputs[0].selection == "*"){
                      var temp = [];
                      for (var i = 0; i < selectedFields.length; i++)
                          if(selectedFields[i])

                              temp.push(selectedFields[i]);

                      selectedFields = temp;
                  }
                  else {
                      for (var i = 0; i < selectedFields.length; i++)
                          if (!selectedFields[i]) {
                              load = false;
                              break;
                          }
                  }

                  this._resetGroupBy();//--> conflitto, in _updateparams valorizza this.aggregators
  

                  if(load){

                      this.loadPreview = true;

                      this._loadDatalet(selectedFields);
                  }

              },

              _updateParams : function(){

                  var textarea = this.$.datalet_selection_labels.querySelectorAll("paper-textarea");
                  this.params["description"] = textarea[0].value;

                  if(!textarea[0].value)
                      this.params[textarea[0].label] = "";

                  var inputs = this.$.datalet_selection_labels.querySelectorAll("paper-input");
                  this.params["title"] = inputs[0].value;

                  for (var i = 1; i < inputs.length; i++)
                      this.params[this.labels[i-1].name] = inputs[i].value;

  
                  this.aggregators = [];
  
                  var ddls = document.getElementsByTagName("paper-dropdown-menu");
                  for (var i = 0; i < ddls.length; i++){
                      var id = ddls[i].id;
                      if(id.indexOf("group_by") > -1 && $(ddls[i]).find("paper-menu")[0].selectedItem) {
                          var label = $(ddls[i]).find("paper-menu")[0].selectedItem.textContent.trim();
                          this.aggregators.push({"field": label, "operation": "GROUP BY"});
                      }
                      if(id.indexOf("calculate") > -1) {

                          var menu = $(ddls[i]).find("paper-menu")[0];
                          var label = menu.selectedItem.textContent.trim();
                          var index = menu.selectedItem.id;
                          var ii = label.split(" ", 2).join(" ").length;
                          //attenzione BUG --> non funziona se la traduzione non ha solo 1 spazio
                          var field = label.substring(ii+1, label.length);
  //                        var operation = label.substring(0, label.indexOf(" "));
                          this.aggregators.push({"field": field, "operation": this.functions[index]});

                      }
                  }

              },
  
              _paramsChanged : function(){
  
                  this._updateParams();

                  if(this.$.datalet_selection_datalet_placeholder.children[1])
                      this.$.datalet_selection_datalet_placeholder.children[1].behavior.setParameters(this.params);

              },
  
              _loadDatalet : function(selectedFields){
  

                  this._updateParams();

                  this.params["filters"] = JSON.stringify(this.filters);
                  this.params["aggregators"] = JSON.stringify(this.aggregators);
                  this.params["orders"] = JSON.stringify(this.orders);
  
  //                this.params["filters"] = '[{"field": "Lat", "operation": ">=", "value": "53.298164"}, {"field": "Lat", "operation": "<", "value": "54"}]';
  //                this.params["aggregators"] = '[{"field": "Lat", "operation": "GROUP BY"}, {"field": "Lng", "operation": "COUNT"}]';
  //                this.params["orders"] = '[{"field": "Lat", "operation": "DESC"}, {"field": "Lat", "operation": "ASC"}]';
  
                  //this.params["aggregators"] = '[{"field": "Value", "operation": "GROUP BY"}, {"field": "LOCATION", "operation": "COUNT"}]';
                  //this.params["orders"] = '[{"field": "Value", "operation": "ASC"}, {"field": "Value", "operation": "ASC"}]';
  

                  var dataletParams ={
                      component   : this.selectedDatalet+"-datalet",

                      params      : this.params,

                      fields      : selectedFields,
                      placeHolder : this.$.datalet_selection_datalet_placeholder
                  };

                  ComponentService.deep_url = this.deepUrl;
                  ComponentService.getComponent(dataletParams);

                  this.$.add_button.removeAttribute("disabled");

              },
  

              _addDatalet : function(){

                  this._updateParams();
  

                  var selectedFields = [];
                  for (var i = 0; i < this.selectedFields.length; i++)
                      if(this.selectedFields[i])
                          selectedFields.push(this.selectedFields[i]);
  

                  var data = {
                      dataUrl : this.dataUrl,

                      params :  this.params,

                      fields :  selectedFields,

                      datalet : this.selectedDatalet+"-datalet",

  //                    comment : "",//DEPRECATED!!!

                      staticData : JSON.stringify(this.$.datalet_selection_datalet_placeholder.children[1].behavior.data)
                  }
  

                  this.fire('data-sevc-controllet.dataletCreated', {data : data});

  
              },
  

              _showInfo : function(e){

  //                var that = this;

                  var t = e.target;
                  if(t.tagName.indexOf("IRON-ICON") != -1)
                      t = $(e.target).parents("paper-icon-button")[0];
  

  //                var name = t.getAttribute("title").replace(" info", "");
                  var name = t.getAttribute("id");

  
                  var dataset = $.grep(this.inputs, function(e){ return e.name == name; })[0];
                  if(!dataset)
                      dataset = $.grep(this.labels, function(e){ return e.name == name; })[0];
  

                  this.$.dialog_name.innerHTML = this._getLabelName(dataset.name);

                  this.$.dialog_description.innerHTML = ln[dataset.description + "_" +  ln["localization"]];

                  this.$.dialog_info_input.open();

  
                  var pos = t.getBoundingClientRect();

                  $("#dialog_info_input").css("top", pos.top - 4);
                  $("#dialog_info_input").css("left", pos.left - 4);

              },
  

              _fieldName : function(field) {

                  if(!field)//when?
                      return "";
                  return field.substring(field.lastIndexOf(",")+1, field.length);

              },
  

              _copy : function(o) {
                  var out, v, key;
                  out = Array.isArray(o) ? new Array(o.length) : {};
                  for (key in o) {
                      v = o[key];
                      out[key] = (typeof v === "object") ? this._copy(v) : v;
                  }
                  return out;
              },
  

              _getLabelName: function(key) {

                  //* exceptions
                  if(key.indexOf("Cell") > -1) {
                      return ln["Cell" + "_" +ln["localization"]] + key.slice(-2);
                  }
                  if(key.indexOf("Level") > -1) {
                      return ln["Level" + "_" +ln["localization"]] + key.slice(-2);
                  }
  

                  return ln[key + "_" +ln["localization"]];
              },
  

              _calculateLabel: function() {
                  return ln["calculate" + "_" +ln["localization"]];
              },
  
              _operationName: function(index) {
                  var key = this.functions[index];
                  return ln[key + "_" +ln["localization"]];
              },
  

              _resize : function(){
                  var h = Math.max(document.documentElement.clientHeight, window.innerHeight || 0) - 16;
                  h = h - 64 - 8; //height with page scroller
  
                  $("#items_vslider_container").height(h);//vslider controllet
  
                  $("#datalet_selection_inputs").height(h);
                  $("#datalet_selection_labels").height(h);

                  $("#datalet_selection_datalet").height(h);

              }
  
          });
  
      </script>
  
  </dom-module>