plugins/univbrisfv/static/js/univbrisfv1.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 (function($){
   8
   9     var debug=false;
  10     //debug=true
  11
  12     var UnivbrisFv = Plugin.extend({
  13
  14         init: function(options, element) {
  15             //alert("fv init called");
  16             this.classname="univbrisfv";
  17             this._super(options, element);
  18
  19             //alert(this.options.hidden_columns);
  20             /* Member variables */
  21             // in general we expect 2 queries here
  22             // query_uuid refers to a single object (typically a slice)
  23             // query_all_uuid refers to a list (typically resources or users)
  24             // these can return in any order so we keep track of which has been received yet
  25             //this.received_all_query = True;
  26             //this.received_query = True;
  27
  28             // We need to remember the active filter for datatables filtering
  29            // this.filters = Array();
  30                 alert("after super");
  31             // an internal buffer for records that are 'in' and thus need to be checked
  32             this.buffered_records_to_check = [];
  33             // an internal buffer for keeping lines and display them in one call to fnAddData
  34             this.buffered_lines = [];
  35
  36             /* Events */
  37             // xx somehow non of these triggers at all for now
  38             //this.elmt().on('show', this, this.on_show);
  39             //this.elmt().on('shown.bs.tab', this, this.on_show);
  40             //this.elmt().on('resize', this, this.on_resize);
  41
  42             //var query = manifold.query_store.find_analyzed_query(this.options.query_uuid);
  43             //this.object = query.object;
  44
  45             //// we need 2 different keys
  46             // * canonical_key is the primary key as derived from metadata (typically: urn)
  47             //   and is used to communicate about a given record with the other plugins
  48             // * init_key is a key that both kinds of records
  49             //   (i.e. records returned by both queries) must have (typically: hrn or hostname)
  50             //   in general query_all will return well populated records, but query
  51             //   returns records with only the fields displayed on startup
  52             //var keys = manifold.metadata.get_key(this.object);
  53             //this.canonical_key = (keys && keys.length == 1) ? keys[0] : undefined;
  54             //alert("after super");
  55             this.init_key = this.options.init_key;
  56             // have init_key default to canonical_key
  57             this.init_key = this.init_key || this.canonical_key;
  58             // sanity check
  59             if ( ! this.init_key ) messages.warning ("UnivbrisFv : cannot find init_key");
  60             if ( ! this.canonical_key ) messages.warning ("UnivbrisFv : cannot find canonical_key");
  61             if (debug) messages.debug("UnivbrisFv: canonical_key="+this.canonical_key+" init_key="+this.init_key);
  62
  63             /* Setup query and record handlers */
  64             //this.listen_query(options.query_uuid);
  65             //this.listen_query(options.query_all_uuid, 'all');
  66
  67             /* GUI setup and event binding */
  68             //alert("fv init called");
  69             this.initialize_table();
  70
  71         },
  72
  73         /* PLUGIN EVENTS */
  74
  75         on_show: function(e) {
  76             if (debug) messages.debug("univbrisfv.on_show");
  77             var self = e.data;
  78             self.table.fnAdjustColumnSizing();
  79         },
  80
  81         on_resize: function(e) {
  82             if (debug) messages.debug("univbrisfv.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             alert("init table fnc");
  94            /* Transforms the table into DataTable, and keep a pointer to it */
  95             var self = this;
  96             var actual_options = {
  97                 // Customize the position of Datatables elements (length,filter,button,...)
  98                 // we use a fluid row on top and another on the bottom, making sure we take 12 grid elt's each time
  99                 //sDom: "<'row'<'col-xs-5'l><'col-xs-1'r><'col-xs-6'f>>t<'row'<'col-xs-5'i><'col-xs-7'p>>",
 100                 sDom: "<'row'<'col-xs-9'r>t<'next'>",
 101                 // XXX as of sept. 2013, I cannot locate a bootstrap3-friendly mode for now
 102                 // hopefully this would come with dataTables v1.10 ?
 103                 // in any case, search for 'sPaginationType' all over the code for more comments
 104                 sPaginationType: 'bootstrap',
 105                 // Handle the null values & the error : Datatables warning Requested unknown parameter
 106                 // http://datatables.net/forums/discussion/5331/datatables-warning-...-requested-unknown-parameter/p2
 107                 aoColumnDefs: [{sDefaultContent: '',aTargets: [ '_all' ]}],
 108                 // WARNING: this one causes tables in a 'tabs' that are not exposed at the time this is run to show up empty
 109                 // sScrollX: '100%',       /* Horizontal scrolling */
 110                 bProcessing: true,      /* Loading */
 111                 fnDrawCallback: function() { self._querytable_draw_callback.call(self);}
 112                 //fnFooterCallback: function() {self._univbrisfv_footer_callback.call(self,nFoot, aData, iStart, iEnd, aiDisplay)};}
 113                 // XXX use $.proxy here !
 114             };
 115             // the intention here is that options.datatables_options as coming from the python object take precedence
 116             // xxx DISABLED by jordan: was causing errors in datatables.js
 117             // xxx turned back on by Thierry - this is the code that takes python-provided options into account
 118             // check your datatables_options tag instead
 119             // however, we have to accumulate in aoColumnDefs from here (above)
 120             // and from the python wrapper (checkboxes management, plus any user-provided aoColumnDefs)
 121             /*if ( 'aoColumnDefs' in this.options.datatables_options) {
 122                 actual_options['aoColumnDefs']=this.options.datatables_options['aoColumnDefs'].concat(actual_options['aoColumnDefs']);
 123                 delete this.options.datatables_options['aoColumnDefs'];
 124             }*/
 125             //this.redraw_table();
 126             //this.show();
 127             alert("before 1");
 128             $.extend(actual_options, this.options.datatables_options );
 129             this.table = $('#univbris_flowspace_selection__table').dataTable(actual_options);
 130             alert("after 1");
 131             alert(this.table);
 132
 133             /* Setup the SelectAll button in the dataTable header */
 134             /* xxx not sure this is still working */
 135             var oSelectAll = $('#datatableSelectAll-'+ this.options.plugin_uuid);
 136             oSelectAll.html("<span class='glyphicon glyphicon-ok' style='float:right;display:inline-block;'></span>Select All");
 137             oSelectAll.button();
 138             oSelectAll.css('font-size','11px');
 139             oSelectAll.css('float','right');
 140             oSelectAll.css('margin-right','15px');
 141             oSelectAll.css('margin-bottom','5px');
 142             oSelectAll.unbind('click');
 143             oSelectAll.click(this._selectAll);
 144
 145             /* Add a filtering function to the current table
 146              * Note: we use closure to get access to the 'options'
 147              */
 148             $.fn.dataTableExt.afnFiltering.push(function( oSettings, aData, iDataIndex ) {
 149                /* No filtering if the table does not match */
 150                if (oSettings.nTable.id != self.options.plugin_uuid + '__table')
 151                   return true;
 152                 return self._querytable_filter.call(self, oSettings, aData, iDataIndex);
 153             });
 154
 155            //alert(this.options.hidden_columns);
 156
 157             /* Processing hidden_columns */
 158             $.each(this.options.hidden_columns, function(i, field) {
 159                 //manifold.raise_event(self.options.query_all_uuid, FIELD_REMOVED, field);
 160                 //alert (field);
 161                 self.hide_column(field);
 162                 //self.hide_column(field);
 163             });
 164
 165             $('<button id="next" type="submit" style="height: 50px; width: 300px" onclick="fnButnext()">select flowspace</button>').appendTo('div.next');
 166
 167               $('<a href="http://localhost:8000/login/" id="next_link">next link</a>').appendTo('div.next');
 168                 alert("before record");
 169                 //this.redraw_table();
 170                 this.new_record("test");
 171                 this._querytable_draw_callback();
 172                 //this.show(e);
 173                 alert("after record");
 174                 //this.show_column()
 175
 176
 177         }, // initialize_table
 178
 179
 180         fnButnext:function(e){
 181                 e.stopPropagation();
 182                 //var sData = this.table.$('input').serialize();
 183                 //var sData = $(this).closest('checkboxes__table').find('input').serialize();
 184                 //var sData = $("form").find('input').serialize();
 185                 //var element=this.table.$("id="'NEC A/80<->NEC B/1080'"");
 186                 //var element=this.table.$("[id='"+"NEC A/80<->NEC B/1080"+"']");
 187                 //var x = element.checked;
 188                 //var uuid=this.id.split("-");
 189                 //var oTable=$('checkboxes__table').dataTable();
 190                 //var oTable=$.fn.dataTable();
 191                 //this.elts("table").unbind('click').click(this, this.fnButnext);
 192                 //var sData = $('input', oTable.fnGetNodes()).serialize();
 193                 //$.fn.dataTable()
 194                 //sData="test";
 195                 ///var self = e.data;
 196                 //self=self.options.query_uuid;
 197                 //var oTable=$("#querytable-"+self).dataTable();
 198                 //var sData = $('input', oTable.fnGetNodes()).serialize();
 199                 //e.stopPropagation();
 200                 //var oTable=$('#myTable').dataTable();
 201                 //var sData = $('input', $("#uob_form")).serialize();
 202                 var sData=$("#uob_form").find("input").serialize();
 203                 //alert("clicked: "+sData);
 204
 205                 //var url = "http://localhost:8000/login/";
 206                 //$(location).attr('href',url);
 207                 //window.location.href = "http://localhost:8000/login/"
 208                 //window.location.replace("http://localhost:8000/login/");
 209                 //UnivbrisFv(options,elements);
 210
 211                         //$("#next_link").click();
 212
 213                 },
 214
 215
 216
 217         /**
 218          * @brief Determine index of key in the table columns
 219          * @param key
 220          * @param cols
 221          */
 222         getColIndex: function(key, cols) {
 223             var tabIndex = $.map(cols, function(x, i) { if (x.sTitle == key) return i; });
 224             return (tabIndex.length > 0) ? tabIndex[0] : -1;
 225         }, // getColIndex
 226
 227         // create a checkbox <input> tag
 228         // computes 'id' attribute from canonical_key
 229         // computes 'init_id' from init_key for initialization phase
 230         // no need to used convoluted ids with plugin-uuid or others, since
 231         // we search using table.$ which looks only in this table
 232         checkbox_html : function (record) {
 233             var result="";
 234             // Prefix id with plugin_uuid
 235             result += "<input";
 236             result += " class='univbrisfv-checkbox'";
 237          // compute id from canonical_key
 238             var id = record[this.canonical_key]
 239          // compute init_id form init_key
 240             var init_id=record[this.init_key];
 241          // set id - for retrieving from an id, or for posting events upon user's clicks
 242             result += " id='"+record[this.canonical_key]+"'";
 243          // set init_id
 244             result += "init_id='" + init_id + "'";
 245          // wrap up
 246             result += " type='checkbox'";
 247             result += " autocomplete='off'";
 248             result += "></input>";
 249             return result;
 250         },
 251
 252          fake_checkbox_html : function (record) {
 253             //alert("fake fun called");
 254             var result="";
 255             // Prefix id with plugin_uuid
 256             result += "<input";
 257             //result += " class='univbrisfv-checkbox'";
 258          // set id - for retrieving from an id, or for posting events upon user's clicks
 259             result += " id='"+ record +"'";
 260             result += " name='"+ record +"'";
 261          // set init_id
 262             result += " init_id='" + record + "'";
 263          // wrap up
 264             result += " type='checkbox'";
 265             result += " autocomplete='off'";
 266             result += "></input>";
 267             ///alert(result);
 268             return result;
 269         },
 270
 271
 272         new_record: function(record)
 273         {
 274
 275          // this models a line in dataTables, each element in the line describes a cell
 276            // alert("nb_col: ");
 277             line = new Array();
 278
 279             // go through table headers to get column names we want
 280             // in order (we have temporarily hack some adjustments in names)
 281
 282             var cols = this.table.fnSettings().aoColumns;
 283             alert("col "+cols);
 284             var colnames = cols.map(function(x) {return x.sTitle})
 285             var nb_col = cols.length;
 286                         alert("nb_col: "+ nb_col);
 287             /* if we've requested checkboxes, then forget about the checkbox column for now */
 288             if (this.options.checkboxes) nb_col -= 1;
 289                         alert("nb_col: "+ nb_col);
 290             //alert(colnames);
 291             /*replace production*/
 292             /* fill in stuff depending on the column name */
 293             for (var j = 0; j < nb_col; j++) {
 294                 if (typeof colnames[j] == 'undefined') {
 295                     line.push('...');
 296                 } else if (colnames[j] == 'Flowspace Selector') {
 297                     alert("added");
 298                     line.push("first form");
 299                 }
 300
 301
 302
 303                 /*if (typeof colnames[j] == 'undefined') {
 304                     line.push('...');
 305                 } else if (colnames[j] == 'hostname') {
 306                     if (record['type'] == 'resource,link')
 307                         //TODO: we need to add source/destination for links
 308                         line.push('');
 309                     else
 310                         line.push(record['hostname']);
 311
 312                 } else if (colnames[j] == 'hrn' && typeof(record) != 'undefined') {
 313                     line.push('<a href="../resource/'+record['urn']+'"><span class="glyphicon glyphicon-search"></span></a> '+record['hrn']);
 314                 } else {
 315                     if (record[colnames[j]])
 316                         line.push(record[colnames[j]]);
 317                     else
 318                         line.push('');
 319                 }*/
 320             }
 321
 322             // catch up with the last column if checkboxes were requested
 323             if (this.options.checkboxes) {
 324                 // Use a key instead of hostname (hard coded...)
 325                 line.push(this.checkbox_html(record));
 326                 }
 327
 328             // adding an array in one call is *much* more efficient
 329                 alert("sending to table");
 330                 $('#univbris_flowspace_selection__table').dataTable().fnAddData(['test']);
 331                 //$('#univbris_flowspace_selection__table').dataTable().fnDraw();
 332                 this._querytable_draw_callback();
 333                 alert("sent to table");
 334                 //this.buffered_lines.push(line);
 335         },
 336
 337         clear_table: function()
 338         {
 339             this.table.fnClearTable();
 340         },
 341
 342         redraw_table: function()
 343         {
 344             this.table.fnDraw();
 345         },
 346
 347         show_column: function(field)
 348         {
 349             var oSettings = this.table.fnSettings();
 350             var cols = oSettings.aoColumns;
 351             var index = this.getColIndex(field,cols);
 352             if (index != -1)
 353                 this.table.fnSetColumnVis(index, true);
 354         },
 355
 356         hide_column: function(field)
 357         {
 358             var oSettings = this.table.fnSettings();
 359             var cols = oSettings.aoColumns;
 360             var index = this.getColIndex(field,cols);
 361             //index=-1;
 362             //alert(field + ": index: " + index );
 363             if (index != -1)
 364                 //alert(field + ": hidden with index: " + index );
 365                 this.table.fnSetColumnVis(index, false);
 366         },
 367
 368         // this is used at init-time, at which point only init_key can make sense
 369         // (because the argument record, if it comes from query, might not have canonical_key set
 370         set_checkbox_from_record: function (record, checked) {
 371             if (checked === undefined) checked = true;
 372             var init_id = record[this.init_key];
 373             if (debug) messages.debug("univbrisfv.set_checkbox_from_record, init_id="+init_id);
 374             // using table.$ to search inside elements that are not visible
 375             var element = this.table.$('[init_id="'+init_id+'"]');
 376             element.attr('checked',checked);
 377         },
 378
 379         // id relates to canonical_key
 380         set_checkbox_from_data: function (id, checked) {
 381             if (checked === undefined) checked = true;
 382             if (debug) messages.debug("univbrisfv.set_checkbox_from_data, id="+id);
 383             // using table.$ to search inside elements that are not visible
 384             var element = this.table.$("[id='"+id+"']");
 385             element.attr('checked',checked);
 386         },
 387
 388         /*************************** QUERY HANDLER ****************************/
 389
 390         on_filter_added: function(filter)
 391         {
 392             this.filters.push(filter);
 393             this.redraw_table();
 394         },
 395
 396         on_filter_removed: function(filter)
 397         {
 398             // Remove corresponding filters
 399             this.filters = $.grep(this.filters, function(x) {
 400                 return x != filter;
 401             });
 402             this.redraw_table();
 403         },
 404
 405         on_filter_clear: function()
 406         {
 407             // XXX
 408             this.redraw_table();
 409         },
 410
 411         on_field_added: function(field)
 412         {
 413             this.show_column(field);
 414         },
 415
 416         on_field_removed: function(field)
 417         {
 418             this.hide_column(field);
 419         },
 420
 421         on_field_clear: function()
 422         {
 423             alert('UnivbrisFv::clear_fields() not implemented');
 424         },
 425
 426         /* XXX TODO: make this generic a plugin has to subscribe to a set of Queries to avoid duplicated code ! */
 427         /*************************** ALL QUERY HANDLER ****************************/
 428
 429         on_all_filter_added: function(filter)
 430         {
 431             // XXX
 432             this.redraw_table();
 433         },
 434
 435         on_all_filter_removed: function(filter)
 436         {
 437             // XXX
 438             this.redraw_table();
 439         },
 440
 441         on_all_filter_clear: function()
 442         {
 443             // XXX
 444             this.redraw_table();
 445         },
 446
 447         on_all_field_added: function(field)
 448         {
 449             this.show_column(field);
 450         },
 451
 452         on_all_field_removed: function(field)
 453         {
 454             this.hide_column(field);
 455         },
 456
 457         on_all_field_clear: function()
 458         {
 459             alert('UnivbrisFv::clear_fields() not implemented');
 460         },
 461
 462
 463         /*************************** RECORD HANDLER ***************************/
 464
 465         on_new_record: function(record)
 466         {
 467             if (this.received_all_query) {
 468                 // if the 'all' query has been dealt with already we may turn on the checkbox
 469                 this.set_checkbox_from_record(record, true);
 470             } else {
 471                 this.buffered_records_to_check.push(record);
 472             }
 473         },
 474
 475         on_clear_records: function()
 476         {
 477         },
 478
 479         // Could be the default in parent
 480         on_query_in_progress: function()
 481         {
 482             this.spin();
 483         },
 484
 485         on_query_done: function()
 486         {
 487             this.received_query = true;
 488             // unspin once we have received both
 489             if (this.received_all_query && this.received_query) this.unspin();
 490         },
 491
 492         on_field_state_changed: function(data)
 493         {
 494             switch(data.request) {
 495                 case FIELD_REQUEST_ADD:
 496                 case FIELD_REQUEST_ADD_RESET:
 497                     this.set_checkbox_from_data(data.value, true);
 498                     break;
 499                 case FIELD_REQUEST_REMOVE:
 500                 case FIELD_REQUEST_REMOVE_RESET:
 501                     this.set_checkbox_from_data(data.value, false);
 502                     break;
 503                 default:
 504                     break;
 505             }
 506         },
 507
 508         /* XXX TODO: make this generic a plugin has to subscribe to a set of Queries to avoid duplicated code ! */
 509         // all
 510         on_all_field_state_changed: function(data)
 511         {
 512             switch(data.request) {
 513                 case FIELD_REQUEST_ADD:
 514                 case FIELD_REQUEST_ADD_RESET:
 515                     this.set_checkboxfrom_data(data.value, true);
 516                     break;
 517                 case FIELD_REQUEST_REMOVE:
 518                 case FIELD_REQUEST_REMOVE_RESET:
 519                     this.set_checkbox_from_data(data.value, false);
 520                     break;
 521                 default:
 522                     break;
 523             }
 524         },
 525
 526         on_all_new_record: function(record)
 527         {
 528             this.new_record(record);
 529         },
 530
 531         on_all_clear_records: function()
 532         {
 533             this.clear_table();
 534
 535         },
 536
 537         on_all_query_in_progress: function()
 538         {
 539             // XXX parent
 540             this.spin();
 541         }, // on_all_query_in_progress
 542
 543         on_all_query_done: function()
 544         {
 545             if (debug) messages.debug("1-shot initializing dataTables content with " + this.buffered_lines.length + " lines");
 546             this.table.fnAddData (this.buffered_lines);
 547             this.buffered_lines=[];
 548
 549             var self = this;
 550             // if we've already received the slice query, we have not been able to set
 551             // checkboxes on the fly at that time (dom not yet created)
 552             $.each(this.buffered_records_to_check, function(i, record) {
 553                 if (debug) messages.debug ("querytable delayed turning on checkbox " + i + " record= " + record);
 554                 self.set_checkbox_from_record(record, true);
 555             });
 556             this.buffered_records_to_check = [];
 557
 558             this.received_all_query = true;
 559             // unspin once we have received both
 560             if (this.received_all_query && this.received_query) this.unspin();
 561
 562         }, // on_all_query_done
 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 == '!=') {
 591                     if ( col_value == value || col_value==null || col_value=="" || col_value=="n/a")
 592                         ret = false;
 593                 } else if(op=='<') {
 594                     if ( parseFloat(col_value) >= value || col_value==null || col_value=="" || col_value=="n/a")
 595                         ret = false;
 596                 } else if(op=='>') {
 597                     if ( parseFloat(col_value) <= value || col_value==null || col_value=="" || col_value=="n/a")
 598                         ret = false;
 599                 } else if(op=='<=' || op=='≤') {
 600                     if ( parseFloat(col_value) > value || col_value==null || col_value=="" || col_value=="n/a")
 601                         ret = false;
 602                 } else if(op=='>=' || op=='≥') {
 603                     if ( parseFloat(col_value) < value || col_value==null || col_value=="" || col_value=="n/a")
 604                         ret = false;
 605                 }else{
 606                     // How to break out of a loop ?
 607                     alert("filter not supported");
 608                     return false;
 609                 }
 610
 611             });
 612             return ret;
 613         },
 614
 615         _querytable_draw_callback: function()
 616         {
 617             /*
 618              * Handle clicks on checkboxes: reassociate checkbox click every time
 619              * the table is redrawn
 620              */
 621             this.elts('querytable-checkbox').unbind('click').click(this, this._check_click);
 622             this.elts("next").unbind('click').click(this, this.fnButnext);
 623
 624
 625             if (!this.table)
 626                 return;
 627
 628             /* Remove pagination if we show only a few results */
 629             var wrapper = this.table; //.parent().parent().parent();
 630             var rowsPerPage = this.table.fnSettings()._iDisplayLength;
 631             var rowsToShow = this.table.fnSettings().fnRecordsDisplay();
 632             var minRowsPerPage = this.table.fnSettings().aLengthMenu[0];
 633
 634             if ( rowsToShow <= rowsPerPage || rowsPerPage == -1 ) {
 635                 $('.querytable_paginate', wrapper).css('visibility', 'hidden');
 636             } else {
 637                 $('.querytable_paginate', wrapper).css('visibility', 'visible');
 638             }
 639
 640             if ( rowsToShow <= minRowsPerPage ) {
 641                 $('.querytable_length', wrapper).css('visibility', 'hidden');
 642             } else {
 643                 $('.querytable_length', wrapper).css('visibility', 'visible');
 644             }
 645
 646         },
 647
 648
 649
 650         _check_click: function(e)
 651         {
 652             e.stopPropagation();
 653
 654             var self = e.data;
 655             var id=this.id;
 656
 657             // this.id = key of object to be added... what about multiple keys ?
 658             if (debug) messages.debug("querytable._check_click key="+this.canonical_key+"->"+id+" checked="+this.checked);
 659             manifold.raise_event(self.options.query_uuid, this.checked?SET_ADD:SET_REMOVED, id);
 660             //return false; // prevent checkbox to be checked, waiting response from manifold plugin api
 661
 662         },
 663
 664         _selectAll: function()
 665         {
 666             // requires jQuery id
 667             var uuid=this.id.split("-");
 668             var oTable=$("#querytable-"+uuid[1]).dataTable();
 669             // Function available in QueryTable 1.9.x
 670             // Filter : displayed data only
 671             var filterData = oTable._('tr', {"filter":"applied"});
 672             /* TODO: WARNING if too many nodes selected, use filters to reduce nuber of nodes */
 673             if(filterData.length<=100){
 674                 $.each(filterData, function(index, obj) {
 675                     var last=$(obj).last();
 676                     var key_value=unfold.get_value(last[0]);
 677                     if(typeof($(last[0]).attr('checked'))=="undefined"){
 678                         $.publish('selected', 'add/'+key_value);
 679                     }
 680                 });
 681             }
 682         },
 683
 684     });
 685
 686     $.plugin('UnivbrisFv', UnivbrisFv);
 687
 688   /* define the 'dom-checkbox' type for sorting in datatables
 689      http://datatables.net/examples/plug-ins/dom_sort.html
 690      using trial and error I found that the actual column number
 691      was in fact given as a third argument, and not second
 692      as the various online resources had it - go figure */
 693     $.fn.dataTableExt.afnSortData['dom-checkbox'] = function  ( oSettings, _, iColumn ) {
 694         return $.map( oSettings.oApi._fnGetTrNodes(oSettings), function (tr, i) {
 695             return result=$('td:eq('+iColumn+') input', tr).prop('checked') ? '1' : '0';
 696         } );
 697     }
 698
 699 })(jQuery);
 700