plugins/querytable/static/js/querytable.js

   1 /**
   2  * Description: display a query result in a datatables-powered <table>
   3  * Copyright (c) 2012-2013 UPMC Sorbonne Universite - INRIA
   4  * License: GPLv3
   5  */
   6
   7 QUERYTABLE_BGCOLOR_RESET   = 0;
   8 QUERYTABLE_BGCOLOR_ADDED   = 1;
   9 QUERYTABLE_BGCOLOR_REMOVED = 2;
  10
  11 (function($){
  12
  13
  14     var QUERYTABLE_MAP = {
  15         'Facility': 'facility_name',
  16         'Testbed': 'testbed_name',
  17         'Resource name': 'hostname',
  18         'Type': 'type',
  19     };
  20
  21     var debug=false;
  22 //    debug=true
  23
  24     var QueryTable = Plugin.extend({
  25
  26         init: function(options, element) {
  27         this.classname="querytable";
  28             this._super(options, element);
  29
  30             /* Member variables */
  31             var query = manifold.query_store.find_analyzed_query(this.options.query_uuid);
  32             this.object = query.object; // XXX
  33
  34             /* Events */
  35             this.elmt().on('show', this, this.on_show);
  36             this.elmt().on('shown.bs.tab', this, this.on_show);
  37             this.elmt().on('resize', this, this.on_resize);
  38
  39             //// we need 2 different keys
  40             // * canonical_key is the primary key as derived from metadata (typically: urn)
  41             //   and is used to communicate about a given record with the other plugins
  42             // * init_key is a key that both kinds of records
  43             //   (i.e. records returned by both queries) must have (typically: hrn or hostname)
  44             //   in general query_all will return well populated records, but query
  45             //   returns records with only the fields displayed on startup
  46             var keys = manifold.metadata.get_key(this.object);
  47             this.canonical_key = (keys && keys.length == 1) ? keys[0] : undefined;
  48             //
  49             this.init_key = this.options.init_key;
  50             // have init_key default to canonical_key
  51             this.init_key = this.init_key || this.canonical_key;
  52
  53             /* sanity check */
  54             if ( ! this.init_key )
  55                 messages.warning ("QueryTable : cannot find init_key");
  56             if ( ! this.canonical_key )
  57                 messages.warning ("QueryTable : cannot find canonical_key");
  58             if (debug)
  59                 messages.debug("querytable: canonical_key="+this.canonical_key+" init_key="+this.init_key);
  60
  61             /* Setup query and record handlers */
  62             this.listen_query(options.query_uuid);
  63
  64             /* GUI setup and event binding */
  65             this.initialize_table();
  66         },
  67
  68         /* PLUGIN EVENTS */
  69
  70         on_show: function(e) {
  71         if (debug) messages.debug("querytable.on_show");
  72             var self = e.data;
  73             self.table.fnAdjustColumnSizing();
  74     },
  75
  76         on_resize: function(e) {
  77         if (debug) messages.debug("querytable.on_resize");
  78             var self = e.data;
  79             self.table.fnAdjustColumnSizing();
  80     },
  81
  82         /* GUI EVENTS */
  83
  84         /* GUI MANIPULATION */
  85
  86         initialize_table: function()
  87         {
  88             /* Transforms the table into DataTable, and keep a pointer to it */
  89             var self = this;
  90             var actual_options = {
  91                 // Customize the position of Datatables elements (length,filter,button,...)
  92                 // we use a fluid row on top and another on the bottom, making sure we take 12 grid elt's each time
  93                 //sDom: "<'row'<'col-xs-5'l><'col-xs-1'r><'col-xs-6'f>>t<'row'<'col-xs-5'i><'col-xs-7'p>>",
  94                 sDom: "<'row'<'col-xs-5'f><'col-xs-1'r><'col-xs-6 columns_selector'>>t<'row'<'col-xs-5'l><'col-xs-7'p>>",
  95         // XXX as of sept. 2013, I cannot locate a bootstrap3-friendly mode for now
  96         // hopefully this would come with dataTables v1.10 ?
  97         // in any case, search for 'sPaginationType' all over the code for more comments
  98                 sPaginationType: 'bootstrap',
  99                 // Handle the null values & the error : Datatables warning Requested unknown parameter
 100                 // http://datatables.net/forums/discussion/5331/datatables-warning-...-requested-unknown-parameter/p2
 101                 aoColumnDefs: [{sDefaultContent: '', aTargets: [ '_all' ]}],
 102                 // WARNING: this one causes tables in a 'tabs' that are not exposed at the time this is run to show up empty
 103                 // sScrollX: '100%',       /* Horizontal scrolling */
 104                 bProcessing: true,      /* Loading */
 105                 fnDrawCallback: function() { self._querytable_draw_callback.call(self); },
 106                 fnRowCallback: function( nRow, aData, iDisplayIndex, iDisplayIndexFull ) {
 107                     // This function is called on fnAddData to set the TR id. What about fnUpdate ?
 108
 109                     // Get the key from the raw data array aData
 110                     var key = self.canonical_key;
 111
 112                     // Get the index of the key in the columns
 113                     var cols = self._get_columns();
 114                     var index = self.getColIndex(key, cols);
 115                     if (index != -1) {
 116                         // The key is found in the table, set the TR id after the data
 117                         $(nRow).attr('id', self.id_from_key(key, aData[index]));
 118                     }
 119
 120                     // That's the usual return value
 121                     return nRow;
 122                 }
 123                 // XXX use $.proxy here !
 124             };
 125             // the intention here is that options.datatables_options as coming from the python object take precedence
 126         // xxx DISABLED by jordan: was causing errors in datatables.js
 127         // xxx turned back on by Thierry - this is the code that takes python-provided options into account
 128         // check your datatables_options tag instead
 129         // however, we have to accumulate in aoColumnDefs from here (above)
 130         // and from the python wrapper (checkboxes management, plus any user-provided aoColumnDefs)
 131         if ( 'aoColumnDefs' in this.options.datatables_options) {
 132         actual_options['aoColumnDefs']=this.options.datatables_options['aoColumnDefs'].concat(actual_options['aoColumnDefs']);
 133         delete this.options.datatables_options['aoColumnDefs'];
 134         }
 135         $.extend(actual_options, this.options.datatables_options );
 136             this.table = this.elmt('table').dataTable(actual_options);
 137
 138             /* Setup the SelectAll button in the dataTable header */
 139             /* xxx not sure this is still working */
 140             var oSelectAll = $('#datatableSelectAll-'+ this.options.plugin_uuid);
 141             oSelectAll.html("<span class='glyphicon glyphicon-ok' style='float:right;display:inline-block;'></span>Select All");
 142             oSelectAll.button();
 143             oSelectAll.css('font-size','11px');
 144             oSelectAll.css('float','right');
 145             oSelectAll.css('margin-right','15px');
 146             oSelectAll.css('margin-bottom','5px');
 147             oSelectAll.unbind('click');
 148             oSelectAll.click(this._selectAll);
 149
 150             /* Add a filtering function to the current table
 151              * Note: we use closure to get access to the 'options'
 152              */
 153             $.fn.dataTableExt.afnFiltering.push(function( oSettings, aData, iDataIndex ) {
 154                 /* No filtering if the table does not match */
 155                 if (oSettings.nTable.id != self.options.plugin_uuid + '__table')
 156                     return true;
 157                 return self._querytable_filter.call(self, oSettings, aData, iDataIndex);
 158             });
 159
 160             /* Processing hidden_columns */
 161             $.each(this.options.hidden_columns, function(i, field) {
 162                 self.hide_column(field);
 163             });
 164             $(".dataTables_filter").append("<div style='display:inline-block;height:27px;width:27px;padding-left:6px;padding-top:4px;'><span class='glyphicon glyphicon-search'></span></div>");
 165             $(".dataTables_filter input").css("width","100%");
 166
 167             // resource info
 168             var sTable = this.table;
 169             $('table.dataTable').delegate('a.resource-info','click',function() {
 170                 var aPos = sTable.fnGetPosition( this.parentNode );
 171                 var aData = sTable.fnGetData( aPos[0] );
 172                 //console.log(aData);
 173
 174                 var network_hrn = aData[18];
 175                 var resourceData = {
 176                     'hostname' : strip(aData[2]),
 177                     'urn' : aData[6],
 178                     'type' : aData[3],
 179                     'status' : aData[10],
 180                     'testbed' : aData[4],
 181                     'facility' : aData[5],
 182                 };
 183
 184
 185                 console.log(network_hrn);
 186                 //Greece: 37.6687092,22.2282404
 187                 if (network_hrn == 'omf.nitos') {
 188                     var logo = 'nitos';
 189                     var resourceLocation = {
 190                         'longitude' : '22.2282404',
 191                         'latitude' : '37.6687092',
 192                     };
 193                     var coordinates = resourceLocation['latitude']+','+resourceLocation['longitude'];
 194                 } else if (network_hrn == 'iotlab') {
 195                     var logo = network_hrn;
 196                     var s = resourceData['hostname'].split(".");
 197                     var n = s[0].split("-");
 198                     resourceData['type'] = 'node ( Hardware: <a target="_blank" href="https://www.iot-lab.info/hardware/'+n[0]+'/">'+n[0]+'</a> )';
 199                     var coordinates = resourceData['testbed'];
 200                 } else {
 201                     var logo = network_hrn;
 202                     var resourceLocation = {
 203                         'longitude' : aData[13],
 204                         'latitude' : aData[23],
 205                     };
 206                     var coordinates = resourceLocation['latitude']+','+resourceLocation['longitude'];
 207                 }
 208
 209                 var modal = $('#resource-info-modal');
 210                 modal.find('.modal-title').text(resourceData['testbed'] + ': ' +resourceData['hostname']);
 211                 table = modal.find('.modal-resource-info');
 212                 table.html('<tr><td colspan="2"><img class="img-responsive" src="/static/img/testbeds/'+logo+'.png" alt="'+resourceData['facility']+' - '+resourceData['testbed']+'" /></td></tr>');
 213                 for (var j in resourceData) {
 214                     table.append('<tr><td>' + j + '</td><td>' + resourceData[j] + '</td></tr>');
 215                 }
 216                 if (coordinates != '') {
 217                     table.append('<tr><td colspan="2"><img src="http://maps.google.com/maps/api/staticmap?center='+coordinates+'&zoom=6&size=400x400&sensor=false&markers=color:red%7C'+coordinates+'" style="width:400px; height:400px;" /></td></tr>');
 218                 }
 219                 modal.modal();
 220             });
 221
 222         }, // initialize_table
 223
 224         /**
 225          * @brief Determine index of key in the table columns
 226          * @param key
 227          * @param cols
 228          */
 229         getColIndex: function(key, cols) {
 230             var self = this;
 231             var tabIndex = $.map(cols, function(x, i) { if (self._get_map(x.sTitle) == key) return i; });
 232             return (tabIndex.length > 0) ? tabIndex[0] : -1;
 233         }, // getColIndex
 234
 235     // create a checkbox <input> tag
 236     // computes 'id' attribute from canonical_key
 237     // computes 'init_id' from init_key for initialization phase
 238     // no need to used convoluted ids with plugin-uuid or others, since
 239     // we search using table.$ which looks only in this table
 240         checkbox_html : function (record) {
 241             var result="";
 242             // Prefix id with plugin_uuid
 243             result += "<input";
 244             result += " class='querytable-checkbox'";
 245      // compute id from canonical_key
 246         var id = record[this.canonical_key]
 247      // compute init_id form init_key
 248         var init_id=record[this.init_key];
 249      // set id - for retrieving from an id, or for posting events upon user's clicks
 250         result += " id='"+record[this.canonical_key]+"'";
 251      // set init_id
 252         result += "init_id='" + init_id + "'";
 253      // wrap up
 254             result += " type='checkbox'";
 255             result += " autocomplete='off'";
 256             result += "></input>";
 257             return result;
 258         },
 259
 260
 261         new_record: function(record)
 262         {
 263             var self = this;
 264
 265             // this models a line in dataTables, each element in the line describes a cell
 266             line = new Array();
 267
 268             // go through table headers to get column names we want
 269             // in order (we have temporarily hack some adjustments in names)
 270             var cols = this._get_columns();
 271             var colnames = cols.map(function(x) {return self._get_map(x.sTitle)})
 272             var nb_col = cols.length;
 273             /* if we've requested checkboxes, then forget about the checkbox column for now */
 274             //if (this.options.checkboxes) nb_col -= 1;
 275             // catch up with the last column if checkboxes were requested
 276             if (this.options.checkboxes) {
 277                 // Use a key instead of hostname (hard coded...)
 278                 line.push(this.checkbox_html(record));
 279             }
 280             line.push('<span id="' + this.id_from_key('status', record[this.init_key]) + '"></span>'); // STATUS
 281
 282             /* fill in stuff depending on the column name */
 283             for (var j = 2; j < nb_col - 1; j++) { // nb_col includes status
 284                 if (typeof colnames[j] == 'undefined') {
 285                     line.push('...');
 286                 } else if (colnames[j] == 'hostname') {
 287                     if (record['type'] == 'resource,link')
 288                         //TODO: we need to add source/destination for links
 289                         line.push('');
 290                     else
 291                         //line.push(record['hostname']);
 292                         line.push('<a class="resource-info" data-network_hrn="'+record['network_hrn']+'">' + record['hostname'] + '</a>');
 293
 294                 } else if (colnames[j] == this.init_key && typeof(record) != 'undefined') {
 295                     obj = this.object
 296                     o = obj.split(':');
 297                     if(o.length>1){
 298                         obj = o[1];
 299                     }else{
 300                         obj = o[0];
 301                     }
 302                     /* XXX TODO: Remove this and have something consistant */
 303                     if(obj=='resource'){
 304                         //line.push('<a href="../'+obj+'/'+record['urn']+'"><span class="glyphicon glyphicon-search"></span></a> '+record[this.init_key]);
 305                     }else{
 306                         //line.push('<a href="../'+obj+'/'+record[this.init_key]+'"><span class="glyphicon glyphicon-search"></span></a> '+record[this.init_key]);
 307                     }
 308                     line.push(record[this.init_key]);
 309                 } else {
 310                     if (record[colnames[j]])
 311                         line.push(record[colnames[j]]);
 312                     else
 313                         line.push('');
 314                 }
 315             }
 316
 317             // adding an array in one call is *much* more efficient
 318             // this.table.fnAddData(line);
 319             return line;
 320         },
 321
 322         clear_table: function()
 323         {
 324             this.table.fnClearTable();
 325         },
 326
 327         redraw_table: function()
 328         {
 329             this.table.fnDraw();
 330         },
 331
 332         show_column: function(field)
 333         {
 334             var oSettings = this.table.fnSettings();
 335             var cols = oSettings.aoColumns;
 336             var index = this.getColIndex(field,cols);
 337             if (index != -1)
 338                 this.table.fnSetColumnVis(index, true);
 339         },
 340
 341         hide_column: function(field)
 342         {
 343             var oSettings = this.table.fnSettings();
 344             var cols = oSettings.aoColumns;
 345             var index = this.getColIndex(field,cols);
 346             if (index != -1)
 347                 this.table.fnSetColumnVis(index, false);
 348         },
 349
 350         set_checkbox_from_record_key: function (record_key, checked)
 351         {
 352             if (checked === undefined) checked = true;
 353
 354             // using table.$ to search inside elements that are not visible
 355             var element = this.table.$('[init_id="'+record_key+'"]');
 356             element.attr('checked',checked);
 357         },
 358
 359         // id relates to canonical_key
 360         set_checkbox_from_data: function (id, checked)
 361         {
 362             if (checked === undefined) checked = true;
 363
 364             // using table.$ to search inside elements that are not visible
 365             var element = this.table.$("[id='"+id+"']");
 366             element.attr('checked',checked);
 367         },
 368
 369         /**
 370          * Arguments
 371          *
 372          * key_value: the key from which we deduce the id
 373          * request: STATUS_OKAY, etc.
 374          * content: some HTML content
 375          */
 376         change_status: function(key_value, warnings)
 377         {
 378             var msg;
 379
 380             if ($.isEmptyObject(warnings)) {
 381                 var state = manifold.query_store.get_record_state(this.options.query_uuid, key_value, STATE_SET);
 382                 switch(state) {
 383                     case STATE_SET_IN:
 384                     case STATE_SET_IN_SUCCESS:
 385                     case STATE_SET_OUT_FAILURE:
 386                     case STATE_SET_IN_PENDING:
 387                         // Checkmark sign if no warning for an object in the set
 388                         msg = '&#10003;';
 389                         break;
 390                     default:
 391                         // Nothing is the object is not in the set
 392                         msg = '';
 393                         break;
 394                 }
 395             } else {
 396                 msg = '<ul class="nav nav-pills">';
 397                 msg += '<li class="dropdown">';
 398                 msg += '<a href="#" data-toggle="dropdown" class="dropdown-toggle nopadding"><b>&#9888</b></a>';
 399                 msg += '  <ul class="dropdown-menu dropdown-menu-right" id="menu1">';
 400                 $.each(warnings, function(i,warning) {
 401                     msg += '<li><a href="#">' + warning + '</a></li>';
 402                 });
 403                 msg += '  </ul>';
 404                 msg += '</li>';
 405                 msg += '</ul>';
 406             }
 407
 408             $(document.getElementById(this.id_from_key('status', key_value))).html(msg);
 409             $('[data-toggle="tooltip"]').tooltip({'placement': 'bottom'});
 410
 411         },
 412
 413         set_bgcolor: function(key_value, class_name)
 414         {
 415             var elt = $(document.getElementById(this.id_from_key(this.canonical_key, key_value)))
 416             if (class_name == QUERYTABLE_BGCOLOR_RESET)
 417                 elt.removeClass('added removed');
 418             else
 419                 elt.addClass((class_name == QUERYTABLE_BGCOLOR_ADDED ? 'added' : 'removed'));
 420         },
 421
 422         populate_table: function()
 423         {
 424             // Let's clear the table and only add lines that are visible
 425             var self = this;
 426             this.clear_table();
 427
 428             lines = Array();
 429             var record_keys = [];
 430             manifold.query_store.iter_records(this.options.query_uuid, function (record_key, record) {
 431                 lines.push(self.new_record(record));
 432                 record_keys.push(record_key);
 433             });
 434             this.table.fnAddData(lines);
 435             $.each(record_keys, function(i, record_key) {
 436                 var state = manifold.query_store.get_record_state(self.options.query_uuid, record_key, STATE_SET);
 437                 var warnings = manifold.query_store.get_record_state(self.options.query_uuid, record_key, STATE_WARNINGS);
 438                 switch(state) {
 439                     // XXX The row and checkbox still does not exists !!!!
 440                     case STATE_SET_IN:
 441                     case STATE_SET_IN_SUCCESS:
 442                     case STATE_SET_OUT_FAILURE:
 443                         self.set_checkbox_from_record_key(record_key, true);
 444                         break;
 445                     case STATE_SET_OUT:
 446                     case STATE_SET_OUT_SUCCESS:
 447                     case STATE_SET_IN_FAILURE:
 448                         //self.set_checkbox_from_record_key(record_key, false);
 449                         break;
 450                     case STATE_SET_IN_PENDING:
 451                         self.set_checkbox_from_record_key(record_key, true);
 452                         self.set_bgcolor(record_key, QUERYTABLE_BGCOLOR_ADDED);
 453                         break;
 454                     case STATE_SET_OUT_PENDING:
 455                         //self.set_checkbox_from_record_key(record_key, false);
 456                         self.set_bgcolor(record_key, QUERYTABLE_BGCOLOR_REMOVED);
 457                         break;
 458                 }
 459                 self.change_status(record_key, warnings); // XXX will retrieve status again
 460             });
 461         },
 462
 463         /*************************** QUERY HANDLER ****************************/
 464
 465         on_filter_added: function(filter)
 466         {
 467             this.redraw_table();
 468         },
 469
 470         on_filter_removed: function(filter)
 471         {
 472             this.redraw_table();
 473         },
 474
 475         on_filter_clear: function()
 476         {
 477             this.redraw_table();
 478         },
 479
 480         on_field_added: function(field)
 481         {
 482             this.show_column(field);
 483         },
 484
 485         on_field_removed: function(field)
 486         {
 487             this.hide_column(field);
 488         },
 489
 490         on_field_clear: function()
 491         {
 492             alert('QueryTable::clear_fields() not implemented');
 493         },
 494
 495         /*************************** RECORD HANDLER ***************************/
 496
 497         // Could be the default in parent
 498         on_query_in_progress: function()
 499         {
 500             this.spin();
 501         },
 502
 503         on_query_done: function()
 504         {
 505             this.populate_table();
 506             this.unspin();
 507         },
 508
 509         on_field_state_changed: function(data)
 510         {
 511             // XXX We could get this from data.value
 512             // var state = manifold.query_store.get_record_state(this.options.query_uuid, data.value, data.state);
 513
 514             switch(data.state) {
 515                 case STATE_SET:
 516                     switch(data.op) {
 517                         case STATE_SET_IN:
 518                         case STATE_SET_IN_SUCCESS:
 519                         case STATE_SET_OUT_FAILURE:
 520                             this.set_checkbox_from_data(data.value, true);
 521                             this.set_bgcolor(data.value, QUERYTABLE_BGCOLOR_RESET);
 522                             break;
 523                         case STATE_SET_OUT:
 524                         case STATE_SET_OUT_SUCCESS:
 525                         case STATE_SET_IN_FAILURE:
 526                             this.set_checkbox_from_data(data.value, false);
 527                             this.set_bgcolor(data.value, QUERYTABLE_BGCOLOR_RESET);
 528                             break;
 529                         case STATE_SET_IN_PENDING:
 530                             this.set_checkbox_from_data(data.key, true);
 531                             this.set_bgcolor(data.value, QUERYTABLE_BGCOLOR_ADDED);
 532                             break;
 533                         case STATE_SET_OUT_PENDING:
 534                             this.set_checkbox_from_data(data.key, false);
 535                             this.set_bgcolor(data.value, QUERYTABLE_BGCOLOR_REMOVED);
 536                             break;
 537                     }
 538                     break;
 539
 540                 case STATE_WARNINGS:
 541                     this.change_status(data.key, data.value);
 542                     break;
 543             }
 544         },
 545
 546         /************************** PRIVATE METHODS ***************************/
 547
 548         _get_columns: function()
 549         {
 550             return this.table.fnSettings().aoColumns;
 551             // XXX return $.map(table.fnSettings().aoColumns, function(x, i) { return QUERYTABLE_MAP[x]; });
 552         },
 553
 554         _get_map: function(column_title) {
 555             return (column_title in QUERYTABLE_MAP) ? QUERYTABLE_MAP[column_title] : column_title;
 556         },
 557         /**
 558          * @brief QueryTable filtering function, called for every line in the datatable.
 559          *
 560          * Return value:
 561          *   boolean determining whether the column is visible or not.
 562          */
 563         _querytable_filter: function(oSettings, aData, iDataIndex)
 564         {
 565             var self = this;
 566             var key_col, record_key_value;
 567
 568             /* Determine index of key in the table columns */
 569             key_col = $.map(oSettings.aoColumns, function(x, i) {if (self._get_map(x.sTitle) == self.canonical_key) return i;})[0];
 570
 571             /* Unknown key: no filtering */
 572             if (typeof(key_col) == 'undefined') {
 573                 console.log("Unknown key");
 574                 return true;
 575             }
 576
 577             record_key_value = unfold.get_value(aData[key_col]);
 578
 579             return manifold.query_store.get_record_state(this.options.query_uuid, record_key_value, STATE_VISIBLE);
 580         },
 581
 582         _querytable_draw_callback: function()
 583         {
 584             /*
 585              * Handle clicks on checkboxes: reassociate checkbox click every time
 586              * the table is redrawn
 587              */
 588             this.elts('querytable-checkbox').unbind('click').click(this, this._check_click);
 589
 590             if (!this.table)
 591                 return;
 592
 593             /* Remove pagination if we show only a few results */
 594             var wrapper = this.table; //.parent().parent().parent();
 595             var rowsPerPage = this.table.fnSettings()._iDisplayLength;
 596             var rowsToShow = this.table.fnSettings().fnRecordsDisplay();
 597             var minRowsPerPage = this.table.fnSettings().aLengthMenu[0];
 598
 599             if ( rowsToShow <= rowsPerPage || rowsPerPage == -1 ) {
 600                 $('.querytable_paginate', wrapper).css('visibility', 'hidden');
 601             } else {
 602                 $('.querytable_paginate', wrapper).css('visibility', 'visible');
 603             }
 604
 605             if ( rowsToShow <= minRowsPerPage ) {
 606                 $('.querytable_length', wrapper).css('visibility', 'hidden');
 607             } else {
 608                 $('.querytable_length', wrapper).css('visibility', 'visible');
 609             }
 610         },
 611
 612         _check_click: function(e)
 613         {
 614             var data;
 615             var self = e.data;
 616
 617             e.stopPropagation();
 618
 619             data = {
 620                 state: STATE_SET,
 621                 key  : null,
 622                 op   : this.checked ? STATE_SET_ADD : STATE_SET_REMOVE,
 623                 value: this.id
 624             };
 625             manifold.raise_event(self.options.query_uuid, FIELD_STATE_CHANGED, data);
 626             //return false; // prevent checkbox to be checked, waiting response from manifold plugin api
 627
 628         },
 629
 630         _selectAll: function()
 631         {
 632             // requires jQuery id
 633             var uuid=this.id.split("-");
 634             var oTable=$("#querytable-"+uuid[1]).dataTable();
 635             // Function available in QueryTable 1.9.x
 636             // Filter : displayed data only
 637             var filterData = oTable._('tr', {"filter":"applied"});
 638             /* TODO: WARNING if too many nodes selected, use filters to reduce nuber of nodes */
 639             if(filterData.length<=100){
 640                 $.each(filterData, function(index, obj) {
 641                     var last=$(obj).last();
 642                     var key_value=unfold.get_value(last[0]);
 643                     if(typeof($(last[0]).attr('checked'))=="undefined"){
 644                         $.publish('selected', 'add/'+key_value);
 645                     }
 646                 });
 647             }
 648         },
 649     });
 650
 651     $.plugin('QueryTable', QueryTable);
 652
 653   /* define the 'dom-checkbox' type for sorting in datatables
 654      http://datatables.net/examples/plug-ins/dom_sort.html
 655      using trial and error I found that the actual column number
 656      was in fact given as a third argument, and not second
 657      as the various online resources had it - go figure */
 658     $.fn.dataTableExt.afnSortData['dom-checkbox'] = function  ( oSettings, _, iColumn ) {
 659         return $.map( oSettings.oApi._fnGetTrNodes(oSettings), function (tr, i) {
 660             return result=$('td:eq('+iColumn+') input', tr).prop('checked') ? '1' : '0';
 661         });
 662     };
 663
 664
 665
 666 })(jQuery);
 667
 668 function strip(html)
 669 {
 670    var tmp = document.createElement("DIV");
 671    tmp.innerHTML = html;
 672    return tmp.textContent || tmp.innerText || "";
 673 }