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     var debug=false;
  14 //    debug=true
  15
  16     var QueryTable = Plugin.extend({
  17
  18         init: function(options, element) {
  19         this.classname="querytable";
  20             this._super(options, element);
  21
  22             /* Member variables */
  23             var query = manifold.query_store.find_analyzed_query(this.options.query_uuid);
  24             this.object = query.object; // XXX
  25
  26             /* Events */
  27             this.elmt().on('show', this, this.on_show);
  28             this.elmt().on('shown.bs.tab', this, this.on_show);
  29             this.elmt().on('resize', this, this.on_resize);
  30
  31             //// we need 2 different keys
  32             // * canonical_key is the primary key as derived from metadata (typically: urn)
  33             //   and is used to communicate about a given record with the other plugins
  34             // * init_key is a key that both kinds of records
  35             //   (i.e. records returned by both queries) must have (typically: hrn or hostname)
  36             //   in general query_all will return well populated records, but query
  37             //   returns records with only the fields displayed on startup
  38             var keys = manifold.metadata.get_key(this.object);
  39             this.canonical_key = (keys && keys.length == 1) ? keys[0] : undefined;
  40             //
  41             this.init_key = this.options.init_key;
  42             // have init_key default to canonical_key
  43             this.init_key = this.init_key || this.canonical_key;
  44
  45             /* sanity check */
  46             if ( ! this.init_key )
  47                 messages.warning ("QueryTable : cannot find init_key");
  48             if ( ! this.canonical_key )
  49                 messages.warning ("QueryTable : cannot find canonical_key");
  50             if (debug)
  51                 messages.debug("querytable: canonical_key="+this.canonical_key+" init_key="+this.init_key);
  52
  53             /* Setup query and record handlers */
  54             this.listen_query(options.query_uuid);
  55
  56             /* GUI setup and event binding */
  57             this.initialize_table();
  58         },
  59
  60         /* PLUGIN EVENTS */
  61
  62         on_show: function(e) {
  63         if (debug) messages.debug("querytable.on_show");
  64             var self = e.data;
  65             self.table.fnAdjustColumnSizing();
  66     },
  67
  68         on_resize: function(e) {
  69         if (debug) messages.debug("querytable.on_resize");
  70             var self = e.data;
  71             self.table.fnAdjustColumnSizing();
  72     },
  73
  74         /* GUI EVENTS */
  75
  76         /* GUI MANIPULATION */
  77
  78         initialize_table: function()
  79         {
  80             /* Transforms the table into DataTable, and keep a pointer to it */
  81             var self = this;
  82             var actual_options = {
  83                 // Customize the position of Datatables elements (length,filter,button,...)
  84                 // we use a fluid row on top and another on the bottom, making sure we take 12 grid elt's each time
  85                 //sDom: "<'row'<'col-xs-5'l><'col-xs-1'r><'col-xs-6'f>>t<'row'<'col-xs-5'i><'col-xs-7'p>>",
  86                 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>>",
  87         // XXX as of sept. 2013, I cannot locate a bootstrap3-friendly mode for now
  88         // hopefully this would come with dataTables v1.10 ?
  89         // in any case, search for 'sPaginationType' all over the code for more comments
  90                 sPaginationType: 'bootstrap',
  91                 // Handle the null values & the error : Datatables warning Requested unknown parameter
  92                 // http://datatables.net/forums/discussion/5331/datatables-warning-...-requested-unknown-parameter/p2
  93                 aoColumnDefs: [{sDefaultContent: '', aTargets: [ '_all' ]}],
  94                 // WARNING: this one causes tables in a 'tabs' that are not exposed at the time this is run to show up empty
  95                 // sScrollX: '100%',       /* Horizontal scrolling */
  96                 bProcessing: true,      /* Loading */
  97                 fnDrawCallback: function() { self._querytable_draw_callback.call(self); },
  98                 fnRowCallback: function( nRow, aData, iDisplayIndex, iDisplayIndexFull ) {
  99                     // This function is called on fnAddData to set the TR id. What about fnUpdate ?
 100
 101                     // Get the key from the raw data array aData
 102                     var key = self.canonical_key;
 103
 104                     // Get the index of the key in the columns
 105                     var cols = self._get_columns();
 106                     var index = self.getColIndex(key, cols);
 107                     if (index != -1) {
 108                         // The key is found in the table, set the TR id after the data
 109                         $(nRow).attr('id', self.id_from_key(key, aData[index]));
 110                     }
 111
 112                     // That's the usual return value
 113                     return nRow;
 114                 }
 115                 // XXX use $.proxy here !
 116             };
 117             // the intention here is that options.datatables_options as coming from the python object take precedence
 118         // xxx DISABLED by jordan: was causing errors in datatables.js
 119         // xxx turned back on by Thierry - this is the code that takes python-provided options into account
 120         // check your datatables_options tag instead
 121         // however, we have to accumulate in aoColumnDefs from here (above)
 122         // and from the python wrapper (checkboxes management, plus any user-provided aoColumnDefs)
 123         if ( 'aoColumnDefs' in this.options.datatables_options) {
 124         actual_options['aoColumnDefs']=this.options.datatables_options['aoColumnDefs'].concat(actual_options['aoColumnDefs']);
 125         delete this.options.datatables_options['aoColumnDefs'];
 126         }
 127         $.extend(actual_options, this.options.datatables_options );
 128             this.table = this.elmt('table').dataTable(actual_options);
 129
 130             /* Setup the SelectAll button in the dataTable header */
 131             /* xxx not sure this is still working */
 132             var oSelectAll = $('#datatableSelectAll-'+ this.options.plugin_uuid);
 133             oSelectAll.html("<span class='glyphicon glyphicon-ok' style='float:right;display:inline-block;'></span>Select All");
 134             oSelectAll.button();
 135             oSelectAll.css('font-size','11px');
 136             oSelectAll.css('float','right');
 137             oSelectAll.css('margin-right','15px');
 138             oSelectAll.css('margin-bottom','5px');
 139             oSelectAll.unbind('click');
 140             oSelectAll.click(this._selectAll);
 141
 142             /* Add a filtering function to the current table
 143              * Note: we use closure to get access to the 'options'
 144              */
 145             $.fn.dataTableExt.afnFiltering.push(function( oSettings, aData, iDataIndex ) {
 146                 /* No filtering if the table does not match */
 147                 if (oSettings.nTable.id != self.options.plugin_uuid + '__table')
 148                     return true;
 149                 return self._querytable_filter.call(self, oSettings, aData, iDataIndex);
 150             });
 151
 152             /* Processing hidden_columns */
 153             $.each(this.options.hidden_columns, function(i, field) {
 154                 self.hide_column(field);
 155             });
 156             $(".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>");
 157             $(".dataTables_filter input").css("width","100%");
 158
 159             // resource info
 160             var sTable = this.table;
 161             var oSettings = this.table.fnSettings();
 162             var cols = oSettings.aoColumns;
 163             var self = this;
 164             $('table.dataTable').delegate('a.resource-info','click',function() {
 165                 var aPos = sTable.fnGetPosition( this.parentNode );
 166                 var aData = sTable.fnGetData( aPos[0] );
 167                 console.log(aData);
 168
 169                 var index = {}
 170                 // XXX Loic @ Hardcoded !!! Maybe a loop over all fields would be better
 171                 index['network_hrn'] = self.getColIndex('network_hrn',cols);
 172                 var network_hrn = aData[index['network_hrn']];
 173
 174                 index['hostname'] = self.getColIndex('hostname',cols);
 175                 index['urn'] = self.getColIndex('urn',cols);
 176                 index['type'] = self.getColIndex('type',cols);
 177                 index['status'] = self.getColIndex('boot_state',cols);
 178                 index['testbed'] = self.getColIndex('testbed_name',cols);
 179                 index['facility'] = self.getColIndex('facility_name',cols);
 180                 var resourceData = {
 181                     'hostname' : strip(aData[index['hostname']]),
 182                     'urn' : aData[index['urn']],
 183                     'type' : aData[index['type']],
 184                     'status' : aData[index['status']],
 185                     'testbed' : aData[index['testbed']],
 186                     'facility' : aData[index['facility']],
 187                 };
 188
 189                 /*
 190                 //Greece: 37.6687092,22.2282404
 191                 if (network_hrn == 'omf.nitos') {
 192                     var logo = 'nitos';
 193                     var resourceLocation = {
 194                         'longitude' : '22.2282404',
 195                         'latitude' : '37.6687092',
 196                     };
 197                     var coordinates = resourceLocation['latitude']+','+resourceLocation['longitude'];
 198                 } else if (network_hrn == 'iotlab') {
 199                 */
 200                 if (network_hrn == 'iotlab') {
 201                     var logo = network_hrn;
 202                     var s = resourceData['hostname'].split(".");
 203                     var n = s[0].split("-");
 204                     resourceData['type'] = 'node ( Hardware: <a target="_blank" href="https://www.iot-lab.info/hardware/'+n[0]+'/">'+n[0]+'</a> )';
 205                     var coordinates = resourceData['testbed'];
 206                 } else {
 207                     var logo = resourceData['testbed'];
 208                     var resourceLocation = {
 209                         'longitude' : aData[20],
 210                         'latitude' : aData[17],
 211                     };
 212                     var coordinates = resourceLocation['latitude']+','+resourceLocation['longitude'];
 213                     console.log(coordinates);
 214                 }
 215
 216                 var modal = $('#resource-info-modal');
 217                 modal.find('.modal-title').text(resourceData['testbed'] + ': ' +resourceData['hostname']);
 218                 table = modal.find('.modal-resource-info');
 219                 table.html('<tr><td colspan="2"><center><img class="img-responsive" src="/static/img/testbeds/'+logo+'.png" alt="'+resourceData['facility']+' - '+resourceData['testbed']+'" /></center></td></tr>');
 220                 for (var j in resourceData) {
 221                     table.append('<tr><td>' + j + '</td><td>' + resourceData[j] + '</td></tr>');
 222                 }
 223                 if (coordinates != '') {
 224                     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>');
 225                 }
 226                 modal.modal();
 227             });
 228
 229         }, // initialize_table
 230
 231         /**
 232          * @brief Determine index of key in the table columns
 233          * @param key
 234          * @param cols
 235          */
 236         getColIndex: function(key, cols) {
 237             var self = this;
 238             var tabIndex = $.map(cols, function(x, i) { if (self._get_map(x.sTitle) == key) return i; });
 239             return (tabIndex.length > 0) ? tabIndex[0] : -1;
 240         }, // getColIndex
 241
 242     // create a checkbox <input> tag
 243     // computes 'id' attribute from canonical_key
 244     // computes 'init_id' from init_key for initialization phase
 245     // no need to used convoluted ids with plugin-uuid or others, since
 246     // we search using table.$ which looks only in this table
 247         checkbox_html : function (record) {
 248             var result="";
 249             // Prefix id with plugin_uuid
 250             result += "<input";
 251             result += " class='querytable-checkbox'";
 252      // compute id from canonical_key
 253         var id = record[this.canonical_key]
 254      // compute init_id form init_key
 255         var init_id=record[this.init_key];
 256      // set id - for retrieving from an id, or for posting events upon user's clicks
 257         result += " id='"+record[this.canonical_key]+"'";
 258      // set init_id
 259         result += "init_id='" + init_id + "'";
 260      // wrap up
 261             result += " type='checkbox'";
 262             result += " autocomplete='off'";
 263             result += "></input>";
 264             return result;
 265         },
 266
 267
 268         new_record: function(record)
 269         {
 270             var self = this;
 271
 272             // this models a line in dataTables, each element in the line describes a cell
 273             line = new Array();
 274
 275             // go through table headers to get column names we want
 276             // in order (we have temporarily hack some adjustments in names)
 277             var cols = this._get_columns();
 278             var colnames = cols.map(function(x) {return self._get_map(x.sTitle)})
 279             var nb_col = cols.length;
 280             /* if we've requested checkboxes, then forget about the checkbox column for now */
 281             //if (this.options.checkboxes) nb_col -= 1;
 282             // catch up with the last column if checkboxes were requested
 283             if (this.options.checkboxes) {
 284                 // Use a key instead of hostname (hard coded...)
 285                 line.push(this.checkbox_html(record));
 286             }
 287             line.push('<span id="' + this.id_from_key('status', record[this.init_key]) + '"></span>'); // STATUS
 288
 289             /* fill in stuff depending on the column name */
 290             for (var j = 2; j < nb_col - 1; j++) { // nb_col includes status
 291                 if (typeof colnames[j] == 'undefined') {
 292                     line.push('...');
 293                 } else if (colnames[j] == 'hostname') {
 294                     if (record['type'] == 'resource,link')
 295                         //TODO: we need to add source/destination for links
 296                         line.push('');
 297                     else
 298                         //line.push(record['hostname']);
 299                         line.push('<a class="resource-info" data-network_hrn="'+record['network_hrn']+'">' + record['hostname'] + '</a>');
 300
 301                 } else if (colnames[j] == this.init_key && typeof(record) != 'undefined') {
 302                     obj = this.object
 303                     o = obj.split(':');
 304                     if(o.length>1){
 305                         obj = o[1];
 306                     }else{
 307                         obj = o[0];
 308                     }
 309                     /* XXX TODO: Remove this and have something consistant */
 310                     if(obj=='resource'){
 311                         //line.push('<a href="../'+obj+'/'+record['urn']+'"><span class="glyphicon glyphicon-search"></span></a> '+record[this.init_key]);
 312                     }else{
 313                         //line.push('<a href="../'+obj+'/'+record[this.init_key]+'"><span class="glyphicon glyphicon-search"></span></a> '+record[this.init_key]);
 314                     }
 315                     line.push(record[this.init_key]);
 316                 } else {
 317                     if (record[colnames[j]])
 318                         line.push(record[colnames[j]]);
 319                     else
 320                         line.push('');
 321                 }
 322             }
 323
 324             // adding an array in one call is *much* more efficient
 325             // this.table.fnAddData(line);
 326             return line;
 327         },
 328
 329         clear_table: function()
 330         {
 331             this.table.fnClearTable();
 332         },
 333
 334         redraw_table: function()
 335         {
 336             this.table.fnDraw();
 337         },
 338
 339         show_column: function(field)
 340         {
 341             var oSettings = this.table.fnSettings();
 342             var cols = oSettings.aoColumns;
 343             var index = this.getColIndex(field,cols);
 344             if (index != -1)
 345                 this.table.fnSetColumnVis(index, true);
 346         },
 347
 348         hide_column: function(field)
 349         {
 350             var oSettings = this.table.fnSettings();
 351             var cols = oSettings.aoColumns;
 352             var index = this.getColIndex(field,cols);
 353             if (index != -1)
 354                 this.table.fnSetColumnVis(index, false);
 355         },
 356
 357         set_checkbox_from_record_key: function (record_key, checked)
 358         {
 359             if (checked === undefined) checked = true;
 360
 361             // using table.$ to search inside elements that are not visible
 362             var element = this.table.$('[init_id="'+record_key+'"]');
 363             element.attr('checked',checked);
 364         },
 365
 366         // id relates to canonical_key
 367         set_checkbox_from_data: function (id, checked)
 368         {
 369             if (checked === undefined) checked = true;
 370
 371             // using table.$ to search inside elements that are not visible
 372             var element = this.table.$("[id='"+id+"']");
 373             element.attr('checked',checked);
 374         },
 375
 376         /**
 377          * Arguments
 378          *
 379          * key_value: the key from which we deduce the id
 380          * request: STATUS_OKAY, etc.
 381          * content: some HTML content
 382          */
 383         change_status: function(key_value, warnings)
 384         {
 385             var msg;
 386
 387             if ($.isEmptyObject(warnings)) {
 388                 var state = manifold.query_store.get_record_state(this.options.query_uuid, key_value, STATE_SET);
 389                 switch(state) {
 390                     case STATE_SET_IN:
 391                     case STATE_SET_IN_SUCCESS:
 392                     case STATE_SET_OUT_FAILURE:
 393                     case STATE_SET_IN_PENDING:
 394                         // Checkmark sign if no warning for an object in the set
 395                         msg = '&#10003;';
 396                         break;
 397                     default:
 398                         // Nothing is the object is not in the set
 399                         msg = '';
 400                         break;
 401                 }
 402             } else {
 403                 msg = '<ul class="nav nav-pills">';
 404                 msg += '<li class="dropdown">';
 405                 msg += '<a href="#" data-toggle="dropdown" class="dropdown-toggle nopadding"><b>&#9888</b></a>';
 406                 msg += '  <ul class="dropdown-menu dropdown-menu-right" id="menu1">';
 407                 $.each(warnings, function(i,warning) {
 408                     msg += '<li><a href="#">' + warning + '</a></li>';
 409                 });
 410                 msg += '  </ul>';
 411                 msg += '</li>';
 412                 msg += '</ul>';
 413             }
 414
 415             $(document.getElementById(this.id_from_key('status', key_value))).html(msg);
 416             $('[data-toggle="tooltip"]').tooltip({'placement': 'bottom'});
 417
 418         },
 419
 420         set_bgcolor: function(key_value, class_name)
 421         {
 422             var elt = $(document.getElementById(this.id_from_key(this.canonical_key, key_value)))
 423             if (class_name == QUERYTABLE_BGCOLOR_RESET)
 424                 elt.removeClass('added removed');
 425             else
 426                 elt.addClass((class_name == QUERYTABLE_BGCOLOR_ADDED ? 'added' : 'removed'));
 427         },
 428
 429         populate_table: function()
 430         {
 431             // Let's clear the table and only add lines that are visible
 432             var self = this;
 433             this.clear_table();
 434
 435             lines = Array();
 436             var record_keys = [];
 437             manifold.query_store.iter_records(this.options.query_uuid, function (record_key, record) {
 438                 lines.push(self.new_record(record));
 439                 record_keys.push(record_key);
 440             });
 441             this.table.fnAddData(lines);
 442             $.each(record_keys, function(i, record_key) {
 443                 var state = manifold.query_store.get_record_state(self.options.query_uuid, record_key, STATE_SET);
 444                 var warnings = manifold.query_store.get_record_state(self.options.query_uuid, record_key, STATE_WARNINGS);
 445                 switch(state) {
 446                     // XXX The row and checkbox still does not exists !!!!
 447                     case STATE_SET_IN:
 448                     case STATE_SET_IN_SUCCESS:
 449                     case STATE_SET_OUT_FAILURE:
 450                         self.set_checkbox_from_record_key(record_key, true);
 451                         break;
 452                     case STATE_SET_OUT:
 453                     case STATE_SET_OUT_SUCCESS:
 454                     case STATE_SET_IN_FAILURE:
 455                         //self.set_checkbox_from_record_key(record_key, false);
 456                         break;
 457                     case STATE_SET_IN_PENDING:
 458                         self.set_checkbox_from_record_key(record_key, true);
 459                         self.set_bgcolor(record_key, QUERYTABLE_BGCOLOR_ADDED);
 460                         break;
 461                     case STATE_SET_OUT_PENDING:
 462                         //self.set_checkbox_from_record_key(record_key, false);
 463                         self.set_bgcolor(record_key, QUERYTABLE_BGCOLOR_REMOVED);
 464                         break;
 465                 }
 466                 self.change_status(record_key, warnings); // XXX will retrieve status again
 467             });
 468         },
 469
 470         /*************************** QUERY HANDLER ****************************/
 471
 472         on_filter_added: function(filter)
 473         {
 474             this.redraw_table();
 475         },
 476
 477         on_filter_removed: function(filter)
 478         {
 479             this.redraw_table();
 480         },
 481
 482         on_filter_clear: function()
 483         {
 484             this.redraw_table();
 485         },
 486
 487         on_field_added: function(field)
 488         {
 489             this.show_column(field);
 490         },
 491
 492         on_field_removed: function(field)
 493         {
 494             this.hide_column(field);
 495         },
 496
 497         on_field_clear: function()
 498         {
 499             alert('QueryTable::clear_fields() not implemented');
 500         },
 501
 502         /*************************** RECORD HANDLER ***************************/
 503
 504         // Could be the default in parent
 505         on_query_in_progress: function()
 506         {
 507             this.spin();
 508         },
 509
 510         on_query_done: function()
 511         {
 512             this.populate_table();
 513             this.unspin();
 514         },
 515
 516         on_field_state_changed: function(data)
 517         {
 518             // XXX We could get this from data.value
 519             // var state = manifold.query_store.get_record_state(this.options.query_uuid, data.value, data.state);
 520
 521             switch(data.state) {
 522                 case STATE_SET:
 523                     switch(data.op) {
 524                         case STATE_SET_IN:
 525                         case STATE_SET_IN_SUCCESS:
 526                         case STATE_SET_OUT_FAILURE:
 527                             this.set_checkbox_from_data(data.value, true);
 528                             this.set_bgcolor(data.value, QUERYTABLE_BGCOLOR_RESET);
 529                             break;
 530                         case STATE_SET_OUT:
 531                         case STATE_SET_OUT_SUCCESS:
 532                         case STATE_SET_IN_FAILURE:
 533                             this.set_checkbox_from_data(data.value, false);
 534                             this.set_bgcolor(data.value, QUERYTABLE_BGCOLOR_RESET);
 535                             break;
 536                         case STATE_SET_IN_PENDING:
 537                             this.set_checkbox_from_data(data.value, true);
 538                             this.set_bgcolor(data.value, QUERYTABLE_BGCOLOR_ADDED);
 539                             break;
 540                         case STATE_SET_OUT_PENDING:
 541                             this.set_checkbox_from_data(data.value, false);
 542                             this.set_bgcolor(data.value, QUERYTABLE_BGCOLOR_REMOVED);
 543                             break;
 544                     }
 545                     break;
 546
 547                 case STATE_WARNINGS:
 548                     this.change_status(data.key, data.value);
 549                     break;
 550             }
 551         },
 552
 553         /************************** PRIVATE METHODS ***************************/
 554
 555         _get_columns: function()
 556         {
 557             return this.table.fnSettings().aoColumns;
 558             // XXX return $.map(table.fnSettings().aoColumns, function(x, i) { return QUERYTABLE_MAP[x]; });
 559         },
 560
 561         _get_map: function(column_title) {
 562             return (column_title in QUERYTABLE_MAP) ? QUERYTABLE_MAP[column_title] : column_title;
 563         },
 564         /**
 565          * @brief QueryTable filtering function, called for every line in the datatable.
 566          *
 567          * Return value:
 568          *   boolean determining whether the column is visible or not.
 569          */
 570         _querytable_filter: function(oSettings, aData, iDataIndex)
 571         {
 572             var self = this;
 573             var key_col, record_key_value;
 574
 575             /* Determine index of key in the table columns */
 576             key_col = $.map(oSettings.aoColumns, function(x, i) {if (self._get_map(x.sTitle) == self.canonical_key) return i;})[0];
 577
 578             /* Unknown key: no filtering */
 579             if (typeof(key_col) == 'undefined') {
 580                 console.log("Unknown key");
 581                 return true;
 582             }
 583
 584             record_key_value = unfold.get_value(aData[key_col]);
 585
 586             return manifold.query_store.get_record_state(this.options.query_uuid, record_key_value, STATE_VISIBLE);
 587         },
 588
 589         _querytable_draw_callback: function()
 590         {
 591             /*
 592              * Handle clicks on checkboxes: reassociate checkbox click every time
 593              * the table is redrawn
 594              */
 595             this.elts('querytable-checkbox').unbind('click').click(this, this._check_click);
 596
 597             if (!this.table)
 598                 return;
 599
 600             /* Remove pagination if we show only a few results */
 601             var wrapper = this.table; //.parent().parent().parent();
 602             var rowsPerPage = this.table.fnSettings()._iDisplayLength;
 603             var rowsToShow = this.table.fnSettings().fnRecordsDisplay();
 604             var minRowsPerPage = this.table.fnSettings().aLengthMenu[0];
 605
 606             if ( rowsToShow <= rowsPerPage || rowsPerPage == -1 ) {
 607                 $('.querytable_paginate', wrapper).css('visibility', 'hidden');
 608             } else {
 609                 $('.querytable_paginate', wrapper).css('visibility', 'visible');
 610             }
 611
 612             if ( rowsToShow <= minRowsPerPage ) {
 613                 $('.querytable_length', wrapper).css('visibility', 'hidden');
 614             } else {
 615                 $('.querytable_length', wrapper).css('visibility', 'visible');
 616             }
 617         },
 618
 619         _check_click: function(e)
 620         {
 621             var data;
 622             var self = e.data;
 623
 624             e.stopPropagation();
 625
 626             data = {
 627                 state: STATE_SET,
 628                 key  : null,
 629                 op   : this.checked ? STATE_SET_ADD : STATE_SET_REMOVE,
 630                 value: this.id
 631             };
 632             manifold.raise_event(self.options.query_uuid, FIELD_STATE_CHANGED, data);
 633             //return false; // prevent checkbox to be checked, waiting response from manifold plugin api
 634
 635         },
 636
 637         _selectAll: function()
 638         {
 639             // requires jQuery id
 640             var uuid=this.id.split("-");
 641             var oTable=$("#querytable-"+uuid[1]).dataTable();
 642             // Function available in QueryTable 1.9.x
 643             // Filter : displayed data only
 644             var filterData = oTable._('tr', {"filter":"applied"});
 645             /* TODO: WARNING if too many nodes selected, use filters to reduce nuber of nodes */
 646             if(filterData.length<=100){
 647                 $.each(filterData, function(index, obj) {
 648                     var last=$(obj).last();
 649                     var key_value=unfold.get_value(last[0]);
 650                     if(typeof($(last[0]).attr('checked'))=="undefined"){
 651                         $.publish('selected', 'add/'+key_value);
 652                     }
 653                 });
 654             }
 655         },
 656     });
 657
 658     $.plugin('QueryTable', QueryTable);
 659
 660   /* define the 'dom-checkbox' type for sorting in datatables
 661      http://datatables.net/examples/plug-ins/dom_sort.html
 662      using trial and error I found that the actual column number
 663      was in fact given as a third argument, and not second
 664      as the various online resources had it - go figure */
 665     $.fn.dataTableExt.afnSortData['dom-checkbox'] = function  ( oSettings, _, iColumn ) {
 666         return $.map( oSettings.oApi._fnGetTrNodes(oSettings), function (tr, i) {
 667             return result=$('td:eq('+iColumn+') input', tr).prop('checked') ? '1' : '0';
 668         });
 669     };
 670
 671
 672
 673 })(jQuery);
 674
 675 function strip(html)
 676 {
 677    var tmp = document.createElement("DIV");
 678    tmp.innerHTML = html;
 679    return tmp.textContent || tmp.innerText || "";
 680 }