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 BGCOLOR_RESET   = 0;
   8 BGCOLOR_ADDED   = 1;
   9 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             // in general we expect 2 queries here
  24             // query_uuid refers to a single object (typically a slice)
  25             // query_all_uuid refers to a list (typically resources or users)
  26             // these can return in any order so we keep track of which has been received yet
  27             this.received_all_query = false;
  28             this.received_query = false;
  29
  30             // We need to remember the active filter for datatables filtering
  31             this.filters = Array();
  32
  33             // an internal buffer for records that are 'in' and thus need to be checked
  34             this.buffered_records_to_check = [];
  35             // an internal buffer for keeping lines and display them in one call to fnAddData
  36             this.buffered_lines = [];
  37
  38             /* Events */
  39             // xx somehow non of these triggers at all for now
  40             this.elmt().on('show', this, this.on_show);
  41             this.elmt().on('shown.bs.tab', this, this.on_show);
  42             this.elmt().on('resize', this, this.on_resize);
  43
  44             var query = manifold.query_store.find_analyzed_query(this.options.query_uuid);
  45             this.object = query.object;
  46
  47             //// we need 2 different keys
  48             // * canonical_key is the primary key as derived from metadata (typically: urn)
  49             //   and is used to communicate about a given record with the other plugins
  50             // * init_key is a key that both kinds of records
  51             //   (i.e. records returned by both queries) must have (typically: hrn or hostname)
  52             //   in general query_all will return well populated records, but query
  53             //   returns records with only the fields displayed on startup
  54             var keys = manifold.metadata.get_key(this.object);
  55             this.canonical_key = (keys && keys.length == 1) ? keys[0] : undefined;
  56             //
  57             this.init_key = this.options.init_key;
  58             // have init_key default to canonical_key
  59             this.init_key = this.init_key || this.canonical_key;
  60             // sanity check
  61             if ( ! this.init_key ) messages.warning ("QueryTable : cannot find init_key");
  62             if ( ! this.canonical_key ) messages.warning ("QueryTable : cannot find canonical_key");
  63             if (debug) messages.debug("querytable: canonical_key="+this.canonical_key+" init_key="+this.init_key);
  64
  65             /* Setup query and record handlers */
  66             this.listen_query(options.query_uuid);
  67             //this.listen_query(options.query_all_uuid, 'all');
  68
  69             /* GUI setup and event binding */
  70             this.initialize_table();
  71         },
  72
  73         /* PLUGIN EVENTS */
  74
  75         on_show: function(e) {
  76             if (debug) messages.debug("querytable.on_show");
  77             var self = e.data;
  78             self.table.fnAdjustColumnSizing();
  79         },
  80
  81         on_resize: function(e) {
  82             if (debug) messages.debug("querytable.on_resize");
  83             var self = e.data;
  84             self.table.fnAdjustColumnSizing();
  85         },
  86
  87         /* GUI EVENTS */
  88
  89         /* GUI MANIPULATION */
  90
  91         initialize_table: function()
  92         {
  93             /* Transforms the table into DataTable, and keep a pointer to it */
  94             var self = this;
  95             var actual_options = {
  96                 // Customize the position of Datatables elements (length,filter,button,...)
  97                 // we use a fluid row on top and another on the bottom, making sure we take 12 grid elt's each time
  98                 //sDom: "<'row'<'col-xs-5'l><'col-xs-1'r><'col-xs-6'f>>t<'row'<'col-xs-5'i><'col-xs-7'p>>",
  99                 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>>",
 100                 // XXX as of sept. 2013, I cannot locate a bootstrap3-friendly mode for now
 101                 // hopefully this would come with dataTables v1.10 ?
 102                 // in any case, search for 'sPaginationType' all over the code for more comments
 103                 sPaginationType: 'bootstrap',
 104                 // Handle the null values & the error : Datatables warning Requested unknown parameter
 105                 // http://datatables.net/forums/discussion/5331/datatables-warning-...-requested-unknown-parameter/p2
 106                 aoColumnDefs: [{sDefaultContent: '',aTargets: [ '_all' ]}],
 107                 // WARNING: this one causes tables in a 'tabs' that are not exposed at the time this is run to show up empty
 108                 // sScrollX: '100%',       /* Horizontal scrolling */
 109                 bProcessing: true,      /* Loading */
 110                 fnDrawCallback: function() { self._querytable_draw_callback.call(self); },
 111                 fnRowCallback: function( nRow, aData, iDisplayIndex, iDisplayIndexFull ) {
 112                     // This function is called on fnAddData to set the TR id. What about fnUpdate ?
 113
 114                     // Get the key from the raw data array aData
 115                     var key = self.canonical_key;
 116
 117                     // Get the index of the key in the columns
 118                     var cols = self.table.fnSettings().aoColumns;
 119                     var index = self.getColIndex(key, cols);
 120                     if (index != -1) {
 121                         // The key is found in the table, set the TR id after the data
 122                         $(nRow).attr('id', self.id_from_key(key, aData[index]));
 123                     }
 124
 125                     // That's the usual return value
 126                     return nRow;
 127                 }
 128                 // XXX use $.proxy here !
 129             };
 130             // the intention here is that options.datatables_options as coming from the python object take precedence
 131             // xxx DISABLED by jordan: was causing errors in datatables.js
 132             // xxx turned back on by Thierry - this is the code that takes python-provided options into account
 133             // check your datatables_options tag instead
 134             // however, we have to accumulate in aoColumnDefs from here (above)
 135             // and from the python wrapper (checkboxes management, plus any user-provided aoColumnDefs)
 136             if ( 'aoColumnDefs' in this.options.datatables_options) {
 137                 actual_options['aoColumnDefs']=this.options.datatables_options['aoColumnDefs'].concat(actual_options['aoColumnDefs']);
 138                 delete this.options.datatables_options['aoColumnDefs'];
 139             }
 140             $.extend(actual_options, this.options.datatables_options );
 141             this.table = this.elmt('table').dataTable(actual_options);
 142
 143             /* Setup the SelectAll button in the dataTable header */
 144             /* xxx not sure this is still working */
 145             var oSelectAll = $('#datatableSelectAll-'+ this.options.plugin_uuid);
 146             oSelectAll.html("<span class='glyphicon glyphicon-ok' style='float:right;display:inline-block;'></span>Select All");
 147             oSelectAll.button();
 148             oSelectAll.css('font-size','11px');
 149             oSelectAll.css('float','right');
 150             oSelectAll.css('margin-right','15px');
 151             oSelectAll.css('margin-bottom','5px');
 152             oSelectAll.unbind('click');
 153             oSelectAll.click(this._selectAll);
 154
 155             /* Add a filtering function to the current table
 156              * Note: we use closure to get access to the 'options'
 157              */
 158             $.fn.dataTableExt.afnFiltering.push(function( oSettings, aData, iDataIndex ) {
 159                 /* No filtering if the table does not match */
 160                 if (oSettings.nTable.id != self.options.plugin_uuid + '__table')
 161                     return true;
 162                 return self._querytable_filter.call(self, oSettings, aData, iDataIndex);
 163             });
 164
 165             /* Processing hidden_columns */
 166             $.each(this.options.hidden_columns, function(i, field) {
 167                 //manifold.raise_event(self.options.query_all_uuid, FIELD_REMOVED, field);
 168                 self.hide_column(field);
 169             });
 170             $(".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>");
 171             $(".dataTables_filter input").css("width","100%");
 172         }, // initialize_table
 173
 174         /**
 175          * @brief Determine index of key in the table columns
 176          * @param key
 177          * @param cols
 178          */
 179         getColIndex: function(key, cols) {
 180             var tabIndex = $.map(cols, function(x, i) { if (x.sTitle == key) return i; });
 181             return (tabIndex.length > 0) ? tabIndex[0] : -1;
 182         }, // getColIndex
 183
 184         // create a checkbox <input> tag
 185         // computes 'id' attribute from canonical_key
 186         // computes 'init_id' from init_key for initialization phase
 187         // no need to used convoluted ids with plugin-uuid or others, since
 188         // we search using table.$ which looks only in this table
 189         checkbox_html : function (record) {
 190             var result="";
 191             // Prefix id with plugin_uuid
 192             result += "<input";
 193             result += " class='querytable-checkbox'";
 194          // compute id from canonical_key
 195             var id = record[this.canonical_key]
 196          // compute init_id form init_key
 197             var init_id=record[this.init_key];
 198          // set id - for retrieving from an id, or for posting events upon user's clicks
 199             result += " id='"+record[this.canonical_key]+"'";
 200          // set init_id
 201             result += "init_id='" + init_id + "'";
 202          // wrap up
 203             result += " type='checkbox'";
 204             result += " autocomplete='off'";
 205             result += "></input>";
 206             return result;
 207         },
 208
 209
 210         new_record: function(record)
 211         {
 212             // this models a line in dataTables, each element in the line describes a cell
 213             line = new Array();
 214
 215             // go through table headers to get column names we want
 216             // in order (we have temporarily hack some adjustments in names)
 217             var cols = this.table.fnSettings().aoColumns;
 218             var colnames = cols.map(function(x) {return x.sTitle})
 219             var nb_col = cols.length;
 220             /* if we've requested checkboxes, then forget about the checkbox column for now */
 221             //if (this.options.checkboxes) nb_col -= 1;
 222                         // catch up with the last column if checkboxes were requested
 223             if (this.options.checkboxes) {
 224                 // Use a key instead of hostname (hard coded...)
 225                 line.push(this.checkbox_html(record));
 226                 }
 227
 228             /* fill in stuff depending on the column name */
 229             for (var j = 1; j < nb_col - 1; j++) { // nb_col includes status
 230                 if (typeof colnames[j] == 'undefined') {
 231                     line.push('...');
 232                 } else if (colnames[j] == 'hostname') {
 233                     if (record['type'] == 'resource,link')
 234                         //TODO: we need to add source/destination for links
 235                         line.push('');
 236                     else
 237                         line.push(record['hostname']);
 238
 239                 } else if (colnames[j] == this.init_key && typeof(record) != 'undefined') {
 240                     obj = this.object
 241                     o = obj.split(':');
 242                     if(o.length>1){
 243                         obj = o[1];
 244                     }else{
 245                         obj = o[0];
 246                     }
 247                     /* XXX TODO: Remove this and have something consistant */
 248                     if(obj=='resource'){
 249                         //line.push('<a href="../'+obj+'/'+record['urn']+'"><span class="glyphicon glyphicon-search"></span></a> '+record[this.init_key]);
 250                     }else{
 251                         //line.push('<a href="../'+obj+'/'+record[this.init_key]+'"><span class="glyphicon glyphicon-search"></span></a> '+record[this.init_key]);
 252                     }
 253                     line.push(record[this.init_key]);
 254                 } else {
 255                     if (record[colnames[j]])
 256                         line.push(record[colnames[j]]);
 257                     else
 258                         line.push('');
 259                 }
 260             }
 261             line.push('<span id="' + this.id_from_key('status', record[this.init_key]) + '"></span>'); // STATUS
 262
 263             // adding an array in one call is *much* more efficient
 264                 // this.table.fnAddData(line);
 265                 return line;
 266         },
 267
 268         clear_table: function()
 269         {
 270             this.table.fnClearTable();
 271         },
 272
 273         redraw_table: function()
 274         {
 275             this.table.fnDraw();
 276         },
 277
 278         show_column: function(field)
 279         {
 280             var oSettings = this.table.fnSettings();
 281             var cols = oSettings.aoColumns;
 282             var index = this.getColIndex(field,cols);
 283             if (index != -1)
 284                 this.table.fnSetColumnVis(index, true);
 285         },
 286
 287         hide_column: function(field)
 288         {
 289             var oSettings = this.table.fnSettings();
 290             var cols = oSettings.aoColumns;
 291             var index = this.getColIndex(field,cols);
 292             if (index != -1)
 293                 this.table.fnSetColumnVis(index, false);
 294         },
 295
 296         // this is used at init-time, at which point only init_key can make sense
 297         // (because the argument record, if it comes from query, might not have canonical_key set
 298         set_checkbox_from_record: function (record, checked) {
 299         if (checked === undefined) checked = true;
 300             var init_id = record[this.init_key];
 301         this.set_checkbox_from_record_key(init_id, checked);
 302         },
 303
 304         set_checkbox_from_record_key: function (record_key, checked) {
 305         if (checked === undefined) checked = true;
 306             if (debug) messages.debug("querytable.set_checkbox_from_record, record_key="+record_key);
 307             // using table.$ to search inside elements that are not visible
 308             var element = this.table.$('[init_id="'+record_key+'"]');
 309             element.attr('checked',checked);
 310         },
 311
 312         // id relates to canonical_key
 313         set_checkbox_from_data: function (id, checked) {
 314             if (checked === undefined) checked = true;
 315             if (debug) messages.debug("querytable.set_checkbox_from_data, id="+id);
 316             // using table.$ to search inside elements that are not visible
 317             var element = this.table.$("[id='"+id+"']");
 318             element.attr('checked',checked);
 319         },
 320
 321         /**
 322          * Arguments
 323          *
 324          * key_value: the key from which we deduce the id
 325          * request: STATUS_OKAY, etc.
 326          * content: some HTML content
 327          */
 328         change_status: function(key_value, warnings)
 329         {
 330             var msg;
 331
 332             if ($.isEmptyObject(warnings)) {
 333                 var state = manifold.query_store.get_record_state(this.options.query_uuid, key_value, STATE_SET);
 334                 switch(state) {
 335                     case STATE_SET_IN:
 336                     case STATE_SET_IN_SUCCESS:
 337                     case STATE_SET_OUT_FAILURE:
 338                     case STATE_SET_IN_PENDING:
 339                         // Checkmark sign if no warning for an object in the set
 340                         msg = '&#10003;';
 341                         break;
 342                     default:
 343                         // Nothing is the object is not in the set
 344                         msg = '';
 345                         break;
 346                 }
 347             } else {
 348                 msg = '<ul class="nav nav-pills">';
 349                 msg += '<li class="dropdown">'
 350                 msg += '<a href="#" data-toggle="dropdown" class="dropdown-toggle nopadding"><b>&#9888</b></a>';
 351                 msg += '  <ul class="dropdown-menu dropdown-menu-right" id="menu1">';
 352                 $.each(warnings, function(i,warning) {
 353                     msg += '<li><a href="#">' + warning + '</a></li>';
 354                 });
 355                 msg += '  </ul>';
 356                 msg += '</li>';
 357                 msg += '</ul>';
 358             }
 359
 360             $(document.getElementById(this.id_from_key('status', key_value))).html(msg);
 361             $('[data-toggle="tooltip"]').tooltip({'placement': 'bottom'});
 362
 363         },
 364
 365         set_bgcolor: function(key_value, class_name)
 366         {
 367             var elt = $(document.getElementById(this.id_from_key(this.canonical_key, key_value)))
 368             if (class_name == BGCOLOR_RESET)
 369                 elt.removeClass('added removed');
 370             else
 371                 elt.addClass((class_name == BGCOLOR_ADDED ? 'added' : 'removed'));
 372         },
 373
 374         do_filter: function()
 375         {
 376             // Let's clear the table and only add lines that are visible
 377             var self = this;
 378             this.clear_table();
 379
 380             // XXX Here we have lost checkboxes
 381             // set checkbox from record.
 382             // only the current plugin known that we have an element in a set
 383
 384             lines = Array();
 385             var record_keys = [];
 386             manifold.query_store.iter_visible_records(this.options.query_uuid, function (record_key, record) {
 387                 lines.push(self.new_record(record));
 388                 record_keys.push(record_key);
 389             });
 390                 this.table.fnAddData(lines);
 391             $.each(record_keys, function(i, record_key) {
 392                 var state = manifold.query_store.get_record_state(self.options.query_uuid, record_key, STATE_SET);
 393                 var warnings = manifold.query_store.get_record_state(self.options.query_uuid, record_key, STATE_WARNINGS);
 394                 switch(state) {
 395                     // XXX The row and checkbox still does not exists !!!!
 396                     case STATE_SET_IN:
 397                     case STATE_SET_IN_SUCCESS:
 398                     case STATE_SET_OUT_FAILURE:
 399                         self.set_checkbox_from_record_key(record_key, true);
 400                         break;
 401                     case STATE_SET_OUT:
 402                     case STATE_SET_OUT_SUCCESS:
 403                     case STATE_SET_IN_FAILURE:
 404                         //self.set_checkbox_from_record_key(record_key, false);
 405                         break;
 406                     case STATE_SET_IN_PENDING:
 407                         self.set_checkbox_from_record_key(record_key, true);
 408                         self.set_bgcolor(record_key, BGCOLOR_ADDED);
 409                         break;
 410                     case STATE_SET_OUT_PENDING:
 411                         //self.set_checkbox_from_record_key(record_key, false);
 412                         self.set_bgcolor(record_key, BGCOLOR_REMOVED);
 413                         break;
 414                 }
 415                 self.change_status(record_key, warnings); // XXX will retrieve status again
 416             });
 417         },
 418
 419         /*************************** QUERY HANDLER ****************************/
 420
 421         on_filter_added: function(filter)
 422         {
 423             this.do_filter();
 424
 425             /*
 426             this.filters.push(filter);
 427             this.redraw_table();
 428             */
 429         },
 430
 431         on_filter_removed: function(filter)
 432         {
 433             this.do_filter();
 434             /*
 435             // Remove corresponding filters
 436             this.filters = $.grep(this.filters, function(x) {
 437                 return x == filter;
 438             });
 439             this.redraw_table();
 440             */
 441         },
 442
 443         on_filter_clear: function()
 444         {
 445             this.do_filter();
 446         },
 447
 448         on_field_added: function(field)
 449         {
 450             this.show_column(field);
 451         },
 452
 453         on_field_removed: function(field)
 454         {
 455             this.hide_column(field);
 456         },
 457
 458         on_field_clear: function()
 459         {
 460             alert('QueryTable::clear_fields() not implemented');
 461         },
 462
 463         /* XXX TODO: make this generic a plugin has to subscribe to a set of Queries to avoid duplicated code ! */
 464         /*************************** ALL QUERY HANDLER ****************************/
 465
 466         on_all_filter_added: function(filter)
 467         {
 468             this.do_filter();
 469         },
 470
 471         on_all_filter_removed: function(filter)
 472         {
 473             this.do_filter();
 474         },
 475
 476         on_all_filter_clear: function()
 477         {
 478             this.do_filter();
 479         },
 480
 481         on_all_field_added: function(field)
 482         {
 483             this.show_column(field);
 484         },
 485
 486         on_all_field_removed: function(field)
 487         {
 488             this.hide_column(field);
 489         },
 490
 491         on_all_field_clear: function()
 492         {
 493             alert('QueryTable::clear_fields() not implemented');
 494         },
 495
 496
 497         /*************************** RECORD HANDLER ***************************/
 498
 499         on_new_record: function(record)
 500         {
 501             if (this.received_all_query) {
 502                 // if the 'all' query has been dealt with already we may turn on the checkbox
 503                 this.set_checkbox_from_record(record, true);
 504             } else {
 505                 this.buffered_records_to_check.push(record);
 506             }
 507         },
 508
 509         on_clear_records: function()
 510         {
 511         },
 512
 513         // Could be the default in parent
 514         on_query_in_progress: function()
 515         {
 516             this.spin();
 517         },
 518
 519         on_query_done: function()
 520         {
 521             this.do_filter();
 522 /*
 523             this.received_query = true;
 524             // unspin once we have received both
 525             if (this.received_all_query && this.received_query) this.unspin();
 526 */
 527         },
 528
 529         on_field_state_changed: function(data)
 530         {
 531             var state = manifold.query_store.get_record_state(this.options.query_uuid, data.value, data.status);
 532             switch(data.status) {
 533                 case STATE_SET:
 534                     switch(state) {
 535                         case STATE_SET_IN:
 536                         case STATE_SET_IN_SUCCESS:
 537                         case STATE_SET_OUT_FAILURE:
 538                             this.set_checkbox_from_data(data.value, true);
 539                             this.set_bgcolor(data.value, BGCOLOR_RESET);
 540                             break;
 541                         case STATE_SET_OUT:
 542                         case STATE_SET_OUT_SUCCESS:
 543                         case STATE_SET_IN_FAILURE:
 544                             this.set_checkbox_from_data(data.value, false);
 545                             this.set_bgcolor(data.value, BGCOLOR_RESET);
 546                             break;
 547                         case STATE_SET_IN_PENDING:
 548                             this.set_checkbox_from_data(data.value, true);
 549                             this.set_bgcolor(data.value, BGCOLOR_ADDED);
 550                             break;
 551                         case STATE_SET_OUT_PENDING:
 552                             this.set_checkbox_from_data(data.value, false);
 553                             this.set_bgcolor(data.value, BGCOLOR_REMOVED);
 554                             break;
 555                     }
 556                     break;
 557
 558                 case STATE_WARNINGS:
 559                     this.change_status(data.value, state);
 560                     break;
 561             }
 562         },
 563
 564         /************************** PRIVATE METHODS ***************************/
 565
 566         /**
 567          * @brief QueryTable filtering function
 568          */
 569         _querytable_filter: function(oSettings, aData, iDataIndex)
 570         {
 571             var ret = true;
 572             $.each (this.filters, function(index, filter) {
 573                 /* XXX How to manage checkbox ? */
 574                 var key = filter[0];
 575                 var op = filter[1];
 576                 var value = filter[2];
 577
 578                 /* Determine index of key in the table columns */
 579                 var col = $.map(oSettings.aoColumns, function(x, i) {if (x.sTitle == key) return i;})[0];
 580
 581                 /* Unknown key: no filtering */
 582                 if (typeof(col) == 'undefined')
 583                     return;
 584
 585                 col_value=unfold.get_value(aData[col]);
 586                 /* Test whether current filter is compatible with the column */
 587                 if (op == '=' || op == '==') {
 588                     if ( col_value != value || col_value==null || col_value=="" || col_value=="n/a")
 589                         ret = false;
 590                 }else if (op == 'included') {
 591                     $.each(value, function(i,x) {
 592                       if(x == col_value){
 593                           ret = true;
 594                           return false;
 595                       }else{
 596                           ret = false;
 597                       }
 598                     });
 599                 }else if (op == '!=') {
 600                     if ( col_value == value || col_value==null || col_value=="" || col_value=="n/a")
 601                         ret = false;
 602                 } else if(op=='<') {
 603                     if ( parseFloat(col_value) >= value || col_value==null || col_value=="" || col_value=="n/a")
 604                         ret = false;
 605                 } else if(op=='>') {
 606                     if ( parseFloat(col_value) <= value || col_value==null || col_value=="" || col_value=="n/a")
 607                         ret = false;
 608                 } else if(op=='<=' || op=='≤') {
 609                     if ( parseFloat(col_value) > value || col_value==null || col_value=="" || col_value=="n/a")
 610                         ret = false;
 611                 } else if(op=='>=' || op=='≥') {
 612                     if ( parseFloat(col_value) < value || col_value==null || col_value=="" || col_value=="n/a")
 613                         ret = false;
 614                 }else{
 615                     // How to break out of a loop ?
 616                     alert("filter not supported");
 617                     return false;
 618                 }
 619
 620             });
 621             return ret;
 622         },
 623
 624         _querytable_draw_callback: function()
 625         {
 626             /*
 627              * Handle clicks on checkboxes: reassociate checkbox click every time
 628              * the table is redrawn
 629              */
 630             this.elts('querytable-checkbox').unbind('click').click(this, this._check_click);
 631
 632             if (!this.table)
 633                 return;
 634
 635             /* Remove pagination if we show only a few results */
 636             var wrapper = this.table; //.parent().parent().parent();
 637             var rowsPerPage = this.table.fnSettings()._iDisplayLength;
 638             var rowsToShow = this.table.fnSettings().fnRecordsDisplay();
 639             var minRowsPerPage = this.table.fnSettings().aLengthMenu[0];
 640
 641             if ( rowsToShow <= rowsPerPage || rowsPerPage == -1 ) {
 642                 $('.querytable_paginate', wrapper).css('visibility', 'hidden');
 643             } else {
 644                 $('.querytable_paginate', wrapper).css('visibility', 'visible');
 645             }
 646
 647             if ( rowsToShow <= minRowsPerPage ) {
 648                 $('.querytable_length', wrapper).css('visibility', 'hidden');
 649             } else {
 650                 $('.querytable_length', wrapper).css('visibility', 'visible');
 651             }
 652         },
 653
 654         _check_click: function(e)
 655         {
 656             e.stopPropagation();
 657
 658             var self = e.data;
 659             var id=this.id;
 660
 661             // this.id = key of object to be added... what about multiple keys ?
 662             if (debug) messages.debug("querytable._check_click key="+this.canonical_key+"->"+id+" checked="+this.checked);
 663             manifold.raise_event(self.options.query_uuid, this.checked?SET_ADD:SET_REMOVED, id);
 664             //return false; // prevent checkbox to be checked, waiting response from manifold plugin api
 665
 666         },
 667
 668         _selectAll: function()
 669         {
 670             // requires jQuery id
 671             var uuid=this.id.split("-");
 672             var oTable=$("#querytable-"+uuid[1]).dataTable();
 673             // Function available in QueryTable 1.9.x
 674             // Filter : displayed data only
 675             var filterData = oTable._('tr', {"filter":"applied"});
 676             /* TODO: WARNING if too many nodes selected, use filters to reduce nuber of nodes */
 677             if(filterData.length<=100){
 678                 $.each(filterData, function(index, obj) {
 679                     var last=$(obj).last();
 680                     var key_value=unfold.get_value(last[0]);
 681                     if(typeof($(last[0]).attr('checked'))=="undefined"){
 682                         $.publish('selected', 'add/'+key_value);
 683                     }
 684                 });
 685             }
 686         },
 687
 688     });
 689
 690     $.plugin('QueryTable', QueryTable);
 691
 692   /* define the 'dom-checkbox' type for sorting in datatables
 693      http://datatables.net/examples/plug-ins/dom_sort.html
 694      using trial and error I found that the actual column number
 695      was in fact given as a third argument, and not second
 696      as the various online resources had it - go figure */
 697     $.fn.dataTableExt.afnSortData['dom-checkbox'] = function  ( oSettings, _, iColumn ) {
 698                 return $.map( oSettings.oApi._fnGetTrNodes(oSettings), function (tr, i) {
 699                     return result=$('td:eq('+iColumn+') input', tr).prop('checked') ? '1' : '0';
 700                 });
 701     };
 702
 703 })(jQuery);
 704