plugins/scheduler2/static/js/scheduler2.js

   1 /*
   2 #
   3 # Copyright (c) 2013 NITLab, University of Thessaly, CERTH, Greece
   4 #
   5 # Permission is hereby granted, free of charge, to any person obtaining a copy
   6 # of this software and associated documentation files (the "Software"), to deal
   7 # in the Software without restriction, including without limitation the rights
   8 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   9 # copies of the Software, and to permit persons to whom the Software is
  10 # furnished to do so, subject to the following conditions:
  11 #
  12 # The above copyright notice and this permission notice shall be included in
  13 # all copies or substantial portions of the Software.
  14 #
  15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  18 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  21 # THE SOFTWARE.
  22 #
  23 #
  24 # This is a MySlice plugin for the NITOS Scheduler
  25 # Nitos Scheduler v1
  26 #
  27 */
  28
  29 // XXX groupid = all slots those that go with a min granularity
  30
  31 /* some params */
  32 var scheduler2;
  33 var scheduler2Instance;
  34 //is ctrl keyboard button pressed
  35 var schedulerCtrlPressed = false;
  36 //table Id
  37 var schedulerTblId = "scheduler-reservation-table";
  38 var SCHEDULER_FIRST_COLWIDTH = 200;
  39
  40
  41 /* Number of scheduler slots per hour. Used to define granularity. Should be inferred from resources XXX */
  42 var schedulerSlotsPerHour = 6;
  43 var RESOURCE_DEFAULT_GRANULARITY    = 1800 /* s */; // should be computed automatically from resource information
  44 var DEFAULT_GRANULARITY             = 1800 /* s */; // should be computed automatically from resource information. Test with 600
  45 var DEFAULT_PAGE_RANGE = 5;
  46
  47 var schedulerMaxRows = 12;
  48
  49 /* All resources */
  50 var SchedulerData = [];
  51
  52 /* ??? */
  53 var SchedulerSlots = [];
  54
  55 var SchedulerDateSelected = new Date();
  56 // Round to midnight
  57 SchedulerDateSelected.setHours(0,0,0,0);
  58
  59 /* Filtered resources */
  60 var SchedulerDataViewData = [];
  61
  62 var SchedulerSlotsViewData = [];
  63 //Help Variables
  64 var _schedulerCurrentCellPosition = 0;
  65 //Enable Debug
  66 var schedulerDebug = true;
  67 //tmp to delete
  68 var tmpSchedulerLeases = [];
  69
  70 var SCHEDULER_COLWIDTH = 50;
  71
  72
  73 /******************************************************************************
  74  *                             ANGULAR CONTROLLER                             *
  75  ******************************************************************************/
  76
  77 // Create a private execution space for our controller. When
  78 // executing this function expression, we're going to pass in
  79 // the Angular reference and our application module.
  80 (function (ng, app) {
  81
  82     // Define our Controller constructor.
  83     function Controller($scope) {
  84
  85         // Store the scope so we can reference it in our
  86         // class methods
  87         this.scope = $scope;
  88
  89         // Set up the default scope value.
  90         this.scope.errorMessage = null;
  91         this.scope.name = "";
  92
  93         //Pagin
  94         $scope.current_page = 1;
  95         this.scope.items_per_page = 10;
  96         $scope.from = 0; // JORDAN
  97
  98         $scope.instance = null;
  99         $scope.resources = new Array();
 100         $scope.slots = SchedulerSlotsViewData;
 101         $scope.granularity = DEFAULT_GRANULARITY; /* Will be setup */
 102         //$scope.msg = "hello";
 103
 104         angular.element(document).ready(function() {
 105             //console.log('Hello World');
 106             //alert('Hello World');
 107             //afterAngularRendered();
 108         });
 109
 110         // Pagination
 111
 112         $scope.range = function() {
 113             var range_size = $scope.page_count() > DEFAULT_PAGE_RANGE ? DEFAULT_PAGE_RANGE : $scope.page_count();
 114             var ret = [];
 115             var start;
 116
 117             start = $scope.current_page;
 118             if ( start > $scope.page_count()-range_size ) {
 119               start = $scope.page_count()-range_size+1;
 120             }
 121
 122             for (var i=start; i<start+range_size; i++) {
 123               ret.push(i);
 124             }
 125             return ret;
 126         };
 127
 128         $scope.prevPage = function() {
 129           if ($scope.current_page > 1) {
 130             $scope.current_page--;
 131           }
 132         };
 133
 134         $scope.prevPageDisabled = function() {
 135           return $scope.current_page === 1 ? "disabled" : "";
 136         };
 137
 138         $scope.page_count = function()
 139         {
 140             // XXX need visible resources only
 141             var query_ext, visible_resources_length;
 142             if (!$scope.instance)
 143                 return 0;
 144             query_ext = manifold.query_store.find_analyzed_query_ext($scope.instance.options.query_uuid);
 145             var visible_resources_length = 0;
 146             query_ext.state.each(function(i, state) {
 147                 if (state[STATE_VISIBLE])
 148                     visible_resources_length++;
 149             });
 150             return Math.ceil(visible_resources_length/$scope.items_per_page);
 151         };
 152
 153         $scope.nextPage = function() {
 154           if ($scope.current_page < $scope.page_count()) {
 155             $scope.current_page++;
 156           }
 157         };
 158
 159         $scope.nextPageDisabled = function() {
 160           return $scope.current_page === $scope.page_count() ? "disabled" : "";
 161         };
 162
 163         $scope.setPage = function(n) {
 164             $scope.current_page = n;
 165         };
 166         // END pagination
 167
 168         // FILTER
 169
 170         $scope.filter_visible = function(resource)
 171         {
 172             return manifold.query_store.get_record_state($scope.instance.options.query_uuid, resource['urn'], STATE_VISIBLE);
 173         };
 174
 175         // SELECTION
 176
 177         $scope._create_new_lease = function(resource_urn, start_time, end_time)
 178         {
 179             var lease_key, new_lease, data;
 180
 181             lease_key = manifold.metadata.get_key('lease');
 182
 183             new_lease = {
 184                 resource:   resource_urn,
 185                 start_time: start_time,
 186                 end_time:   end_time,
 187             };
 188
 189             // This is needed to create a hashable object
 190             new_lease.hashCode = manifold.record_hashcode(lease_key.sort());
 191             new_lease.equals   = manifold.record_equals(lease_key);
 192
 193             data = {
 194                 state: STATE_SET,
 195                 key  : null,
 196                 op   : STATE_SET_ADD,
 197                 value: new_lease
 198             }
 199             manifold.raise_event($scope.instance.options.query_lease_uuid, FIELD_STATE_CHANGED, data);
 200             /* Add to local cache also, unless we listen to events from outside */
 201             if (!(resource_urn in $scope._leases_by_resource))
 202                 $scope._leases_by_resource[resource_urn] = [];
 203             $scope._leases_by_resource[resource_urn].push(new_lease);
 204         }
 205
 206         $scope._remove_lease = function(other)
 207         {
 208             var lease_key, other_key, data;
 209
 210             lease_key = manifold.metadata.get_key('lease');
 211
 212             // XXX This could be a manifold.record_get_value
 213             other_key = {
 214                 resource:   other.resource,
 215                 start_time: other.start_time,
 216                 end_time:   other.end_time
 217             }
 218             other_key.hashCode = manifold.record_hashcode(lease_key.sort());
 219             other_key.equals   = manifold.record_equals(lease_key);
 220
 221             data = {
 222                 state: STATE_SET,
 223                 key  : null,
 224                 op   : STATE_SET_REMOVE,
 225                 value: other_key
 226             }
 227             manifold.raise_event($scope.instance.options.query_lease_uuid, FIELD_STATE_CHANGED, data);
 228             /* Remove from local cache also, unless we listen to events from outside */
 229             $scope._leases_by_resource[other.resource] = $.grep($scope._leases_by_resource[other.resource], function(x) { return x != other; });
 230
 231         }
 232
 233         $scope.select = function(index, model_lease, model_resource)
 234         {
 235             var data, resource_granularity;
 236
 237             //resource_granularity = model_resource.granularity === undefined ? RESOURCE_DEFAULT_GRANULARITY : model_resource.granularity;
 238
 239             console.log("Selected", index, model_lease, model_resource);
 240
 241             var day_timestamp = SchedulerDateSelected.getTime() / 1000;
 242             var start_time = day_timestamp + index       * model_resource.granularity; // XXX resource_granularity
 243             var end_time   = day_timestamp + (index + 1) * model_resource.granularity; //
 244             var start_date = new Date(start_time * 1000);
 245             var end_date   = new Date(end_time   * 1000);
 246
 247             var lease_key = manifold.metadata.get_key('lease');
 248
 249             // We search for leases in the cache we previously constructed
 250             var resource_leases = $scope._leases_by_resource[model_resource.urn];
 251
 252             switch (model_lease.status)
 253             {
 254                 case 'free': // out
 255                 case 'pendingout':
 256                     if (resource_leases) {
 257                         /* Search for leases before */
 258                         $.each(resource_leases, function(i, other) {
 259                             if (other.end_time != start_time)
 260                                 return true; // ~ continue
 261
 262                             /* The lease 'other' is just before, and there should not exist
 263                              * any other lease before it */
 264                             start_time = other.start_time;
 265
 266                             other_key = {
 267                                 resource:   other.resource,
 268                                 start_time: other.start_time,
 269                                 end_time:   other.end_time
 270                             }
 271                             // This is needed to create a hashable object
 272                             other_key.hashCode = manifold.record_hashcode(lease_key.sort());
 273                             other_key.equals   = manifold.record_equals(lease_key);
 274
 275                             data = {
 276                                 state: STATE_SET,
 277                                 key  : null,
 278                                 op   : STATE_SET_REMOVE,
 279                                 value: other_key
 280                             }
 281                             manifold.raise_event($scope.instance.options.query_lease_uuid, FIELD_STATE_CHANGED, data);
 282                             /* Remove from local cache also, unless we listen to events from outside */
 283                             $scope._leases_by_resource[model_resource.urn] = $.grep($scope._leases_by_resource[model_resource.urn], function(x) { return x != other; });
 284                             return false; // ~ break
 285                         });
 286
 287                         /* Search for leases after */
 288                         $.each(resource_leases, function(i, other) {
 289                             if (other.start_time != end_time)
 290                                 return true; // ~ continue
 291
 292                             /* The lease 'other' is just after, and there should not exist
 293                              * any other lease after it */
 294                             end_time = other.end_time;
 295                             other_key = {
 296                                 resource:   other.resource,
 297                                 start_time: other.start_time,
 298                                 end_time:   other.end_time
 299                             }
 300                             // This is needed to create a hashable object
 301                             other_key.hashCode = manifold.record_hashcode(lease_key.sort());
 302                             other_key.equals   = manifold.record_equals(lease_key);
 303
 304                             data = {
 305                                 state: STATE_SET,
 306                                 key  : null,
 307                                 op   : STATE_SET_REMOVE,
 308                                 value: other_key
 309                             }
 310                             manifold.raise_event($scope.instance.options.query_lease_uuid, FIELD_STATE_CHANGED, data);
 311                             /* Remove from local cache also, unless we listen to events from outside */
 312                             $scope._leases_by_resource[model_resource.urn] = $.grep($scope._leases_by_resource[model_resource.urn], function(x) { return x != other; });
 313                             return false; // ~ break
 314                         });
 315                     }
 316
 317                     $scope._create_new_lease(model_resource.urn, start_time, end_time);
 318                     model_lease.status = (model_lease.status == 'free') ? 'pendingin' : 'selected';
 319                     // unless the exact same lease already existed (pending_out status for the lease, not the cell !!)
 320
 321                     break;
 322
 323                 case 'selected':
 324                 case 'pendingin':
 325                     // We remove the cell
 326
 327                     /* We search for leases including this cell. Either 0, 1 or 2.
 328                      * 0 : NOT POSSIBLE, should be checked.
 329                      * 1 : either IN or OUT, we have make no change in the session
 330                      * 2 : both will be pending, since we have made a change in the session
 331                     * /!\ need to properly remove pending_in leases when removed again
 332                      */
 333                     if (resource_leases) {
 334                         $.each(resource_leases, function(i, other) {
 335                             if ((other.start_time <= start_time) && (other.end_time >= end_time)) {
 336                                 // The cell is part of this lease.
 337
 338                                 // If the cell is not at the beginning of the lease, we recreate a lease with cells before
 339                                 if (start_time > other.start_time) {
 340                                     $scope._create_new_lease(model_resource.urn, other.start_time, start_time);
 341                                 }
 342
 343                                 // If the cell is not at the end of the lease, we recreate a lease with cells after
 344                                 if (end_time < other.end_time) {
 345                                     $scope._create_new_lease(model_resource.urn, end_time, other.end_time);
 346                                 }
 347
 348                                 // The other lease will be removed
 349                                 $scope._remove_lease(other);
 350                             }
 351                             // NOTE: We can interrupt the search if we know that there is a single lease (depending on the status).
 352                         });
 353                     }
 354
 355                     // cf comment in previous switch case
 356                     model_lease.status = (model_lease.status == 'selected') ? 'pendingout' : 'free';
 357
 358                     break;
 359
 360                 case 'reserved':
 361                 case 'maintainance':
 362                     // Do nothing
 363                     break;
 364             }
 365
 366
 367             //$scope._dump_leases();
 368         };
 369
 370         $scope._dump_leases = function()
 371         {
 372             // DEBUG: display all leases and their status in the log
 373             var leases = manifold.query_store.get_records($scope.instance.options.query_lease_uuid);
 374             console.log("--------------------");
 375             $.each(leases, function(i, lease) {
 376                 var key = manifold.metadata.get_key('lease');
 377                 var lease_key = manifold.record_get_value(lease, key);
 378                 var state = manifold.query_store.get_record_state($scope.instance.options.query_lease_uuid, lease_key, STATE_SET);
 379                 var state_str;
 380                 switch(state) {
 381                     case STATE_SET_IN:
 382                         state_str = 'STATE_SET_IN';
 383                         break;
 384                     case STATE_SET_OUT:
 385                         state_str = 'STATE_SET_OUT';
 386                         break;
 387                     case STATE_SET_IN_PENDING:
 388                         state_str = 'STATE_SET_IN_PENDING';
 389                         break;
 390                     case STATE_SET_OUT_PENDING:
 391                         state_str = 'STATE_SET_OUT_PENDING';
 392                         break;
 393                     case STATE_SET_IN_SUCCESS:
 394                         state_str = 'STATE_SET_IN_SUCCESS';
 395                         break;
 396                     case STATE_SET_OUT_SUCCESS:
 397                         state_str = 'STATE_SET_OUT_SUCCESS';
 398                         break;
 399                     case STATE_SET_IN_FAILURE:
 400                         state_str = 'STATE_SET_IN_FAILURE';
 401                         break;
 402                     case STATE_SET_OUT_FAILURE:
 403                         state_str = 'STATE_SET_OUT_FAILURE';
 404                         break;
 405                 }
 406                 console.log("LEASE", new Date(lease.start_time * 1000), new Date(lease.end_time * 1000), lease.resource, state_str);
 407             });
 408         };
 409
 410         // Return this object reference.
 411         return (this);
 412
 413     }
 414
 415     // Define the Controller as the constructor function.
 416     app.controller("SchedulerCtrl", Controller);
 417
 418 })(angular, ManifoldApp);
 419
 420 /******************************************************************************
 421  *                              MANIFOLD PLUGIN                               *
 422  ******************************************************************************/
 423
 424 (function($) {
 425         scheduler2 = Plugin.extend({
 426
 427             /** XXX to check
 428          * @brief Plugin constructor
 429          * @param options : an associative array of setting values
 430          * @param element :
 431          * @return : a jQuery collection of objects on which the plugin is
 432          *     applied, which allows to maintain chainability of calls
 433          */
 434             init: function(options, element) {
 435                 // Call the parent constructor, see FAQ when forgotten
 436                 this._super(options, element);
 437
 438                 var scope = this._get_scope()
 439                 scope.instance = this;
 440
 441                 // XXX not needed
 442                 scheduler2Instance = this;
 443
 444                 // We need to remember the active filter for datatables filtering
 445                 // XXX not needed
 446                 this.filters = Array();
 447
 448                 // XXX BETTER !!!!
 449                 $(window).delegate('*', 'keypress', function (evt){
 450                         alert("erm");
 451                       });
 452
 453                 $(window).keydown(function(evt) {
 454                     if (evt.which == 17) { // ctrl
 455                         schedulerCtrlPressed = true;
 456                     }
 457                 }).keyup(function(evt) {
 458                     if (evt.which == 17) { // ctrl
 459                         schedulerCtrlPressed = false;
 460                     }
 461                 });
 462
 463                 // XXX naming
 464                 //$("#" + schedulerTblId).on('mousedown', 'td', rangeMouseDown).on('mouseup', 'td', rangeMouseUp).on('mousemove', 'td', rangeMouseMove);
 465
 466                 this._resources_received = false;
 467                 this._leases_received = false;
 468
 469                 scope._leases_by_resource = {};
 470
 471                 /* Listening to queries */
 472                 this.listen_query(options.query_uuid, 'resources');
 473                 this.listen_query(options.query_lease_uuid, 'leases');
 474
 475                 this.elmt().on('show', this, this.on_show);
 476                 this.elmt().on('shown.bs.tab', this, this.on_show);
 477                 this.elmt().on('resize', this, this.on_resize);
 478
 479                 /* Generate slots according to the default granularity. Should
 480                  * be updated when resources arrive.  Should be the pgcd in fact XXX */
 481                 this._granularity = DEFAULT_GRANULARITY;
 482                 scope.granularity = this._granularity;
 483                 this.scope_resources_by_key = {};
 484
 485                 this.do_resize();
 486
 487                 scope.from = 0;
 488
 489                 this._initUI();
 490
 491             },
 492
 493             do_resize: function()
 494             {
 495                 var scope = this._get_scope();
 496                 var num_hidden_cells, new_max, lcm;
 497
 498                 // do_resize has to be called when the window is resized, or one parameter changes
 499                 // e.g. when new resources have been received
 500                 //
 501                 this.resource_granularities = [3600, 1800]; //, 2400]; /* s */
 502
 503                 /* Compute the slot length to accommodate all resources. This
 504                  * is the GCD of all resource granularities. */
 505                 this._slot_length = this._gcdn(this.resource_granularities);
 506
 507                 $('#' + schedulerTblId + ' thead tr th:eq(0)').css("width", SCHEDULER_FIRST_COLWIDTH);
 508                 //self get width might need fix depending on the template
 509                 var tblwidth = $('#scheduler-reservation-table').parent().outerWidth();
 510
 511                 /* Number of visible cells...*/
 512                 this._num_visible_cells = parseInt((tblwidth - SCHEDULER_FIRST_COLWIDTH) / SCHEDULER_COLWIDTH);
 513
 514                 /* ...should be a multiple of the lcm of all encountered granularities. */
 515                 lcm = this._lcmn(this.resource_granularities) / this._slot_length;
 516                 this._num_visible_cells = this._num_visible_cells - this._num_visible_cells % lcm;
 517
 518                 // A list of {id, time} dictionaries representing the slots for the given day
 519                 this._all_slots = this._generate_all_slots();
 520
 521                 /* scope also needs this value */
 522                 scope.slots = this._all_slots;
 523                 scope.slot_length = this._slot_length;
 524                 scope.num_visible_cells = this._num_visible_cells;
 525                 scope.lcm_colspan = this._lcmn(this.resource_granularities); // XXX WHY ?
 526
 527                 /* Redraw... */
 528                 this._scope_clear_leases();
 529                 this._set_all_lease_slots();
 530
 531                 // Slider max value
 532                 if ($('#tblSlider').data('slider') != undefined) {
 533                     num_hidden_cells = this._all_slots.length - this._num_visible_cells;
 534
 535                     $('#tblSlider').slider('setAttribute', 'max', num_hidden_cells);
 536                     $('#tblSlider').slider('setValue', scope.from, true);
 537                 }
 538                 this._get_scope().$apply();
 539
 540
 541             },
 542
 543             on_show: function(e)
 544             {
 545                 var self = e.data;
 546                 self.do_resize();
 547                 self._get_scope().$apply();
 548             },
 549
 550             on_resize: function(e)
 551             {
 552                 var self = e.data;
 553                 self.do_resize();
 554                 self._get_scope().$apply();
 555             },
 556
 557             /* Handlers */
 558
 559             _get_scope : function()
 560             {
 561                 return angular.element(document.getElementById('SchedulerCtrl')).scope();
 562             },
 563
 564             _scope_set_resources : function()
 565             {
 566                 var self = this;
 567                 var scope = this._get_scope();
 568
 569                 var records = manifold.query_store.get_records(this.options.query_uuid);
 570
 571                 scope.resources = [];
 572
 573                 $.each(records, function(i, record) {
 574                     if (!record.exclusive)
 575                         return true; // ~ continue
 576
 577                     // copy not to modify original record
 578                     var resource = jQuery.extend(true, {}, record);
 579
 580                     // Fix granularity
 581                     //resource_granularity = ((resource.granularity === undefined) || (typeof(resource.granularity) != "number")) ? RESOURCE_DEFAULT_GRANULARITY : resource.granularity;
 582                     if (typeof(resource.granularity) != "number")
 583                         resource.granularity = RESOURCE_DEFAULT_GRANULARITY;
 584                     resource.leases = []; // a list of occupied timeslots
 585
 586                     self.scope_resources_by_key[resource['urn']] = resource;
 587                     scope.resources.push(resource);
 588                 });
 589             },
 590
 591             _scope_clear_leases: function()
 592             {
 593                 var time, now;
 594                 var self = this;
 595                 var scope = this._get_scope();
 596
 597                 now = new Date().getTime();
 598
 599                 // Setup leases with a default free status...
 600                 $.each(this.scope_resources_by_key, function(resource_key, resource) {
 601                     resource.leases = [];
 602                     var colspan_lease = resource.granularity / self._slot_length; //eg. 3600 / 1800 => 2 cells
 603                     time = SchedulerDateSelected.getTime();
 604                     for (i=0; i < self._all_slots.length / colspan_lease; i++) { // divide by granularity
 605                         resource.leases.push({
 606                             id:     'coucou',
 607                             status: (time < now) ? 'disabled':  'free', // 'selected', 'reserved', 'maintenance' XXX pending ??
 608                         });
 609                         time += resource.granularity * 1000;
 610                     }
 611                 });
 612
 613             },
 614
 615             _scope_set_leases: function()
 616             {
 617                     var status;
 618                 var self = this;
 619                 var scope = this._get_scope();
 620
 621                 manifold.query_store.iter_records(this.options.query_lease_uuid, function(lease_key, lease) {
 622                     //console.log("SET LEASES", lease.resource, new Date(lease.start_time* 1000), new Date(lease.end_time* 1000));
 623                     // XXX We should ensure leases are correctly merged, otherwise our algorithm won't work
 624
 625                     // Populate leases by resource array: this will help us merging leases later
 626
 627                     // let's only put _our_ leases
 628                     lease_status = manifold.query_store.get_record_state(self.options.query_lease_uuid, lease_key, STATE_SET);
 629                     if (lease_status != STATE_SET_IN)
 630                         return true; // ~continue
 631                     if (!(lease.resource in scope._leases_by_resource))
 632                         scope._leases_by_resource[lease.resource] = [];
 633                     scope._leases_by_resource[lease.resource].push(lease);
 634
 635                 });
 636
 637                 this._set_all_lease_slots();
 638             },
 639
 640             _set_all_lease_slots: function()
 641             {
 642                 var self = this;
 643
 644                 manifold.query_store.iter_records(this.options.query_lease_uuid, function(lease_key, lease) {
 645                     self._set_lease_slots(lease_key, lease);
 646                 });
 647             },
 648
 649             on_resources_query_done: function(data)
 650             {
 651                 this._resources_received = true;
 652                 this._scope_set_resources();
 653                 this._scope_clear_leases();
 654                 if (this._leases_received)
 655                     this._scope_set_leases();
 656
 657                 this._get_scope().$apply();
 658             },
 659
 660             on_leases_query_done: function(data)
 661             {
 662                 this._leases_received = true;
 663                 if (this._resources_received) {
 664                     this._scope_set_leases();
 665                     this._get_scope().$apply();
 666                 }
 667             },
 668
 669             /* Filters on resources */
 670             on_resources_filter_added:   function(filter) { this._get_scope().$apply(); },
 671             on_resources_filter_removed: function(filter) { this._get_scope().$apply(); },
 672             on_resources_filter_clear:   function()       { this._get_scope().$apply(); },
 673
 674             /* Filters on leases ? */
 675             on_leases_filter_added:      function(filter) { this._get_scope().$apply(); },
 676             on_leases_filter_removed:    function(filter) { this._get_scope().$apply(); },
 677             on_leases_filter_clear:      function()       { this._get_scope().$apply(); },
 678
 679             on_field_state_changed: function(data)
 680             {
 681                 /*
 682                 this._set_lease_slots(lease_key, lease);
 683
 684                 switch(data.state) {
 685                     case STATE_SET:
 686                         switch(data.op) {
 687                             case STATE_SET_IN:
 688                             case STATE_SET_IN_SUCCESS:
 689                             case STATE_SET_OUT_FAILURE:
 690                                 this.set_checkbox_from_data(data.value, true);
 691                                 this.set_bgcolor(data.value, QUERYTABLE_BGCOLOR_RESET);
 692                                 break;
 693                             case STATE_SET_OUT:
 694                             case STATE_SET_OUT_SUCCESS:
 695                             case STATE_SET_IN_FAILURE:
 696                                 this.set_checkbox_from_data(data.value, false);
 697                                 this.set_bgcolor(data.value, QUERYTABLE_BGCOLOR_RESET);
 698                                 break;
 699                             case STATE_SET_IN_PENDING:
 700                                 this.set_checkbox_from_data(data.key, true);
 701                                 this.set_bgcolor(data.value, QUERYTABLE_BGCOLOR_ADDED);
 702                                 break;
 703                             case STATE_SET_OUT_PENDING:
 704                                 this.set_checkbox_from_data(data.key, false);
 705                                 this.set_bgcolor(data.value, QUERYTABLE_BGCOLOR_REMOVED);
 706                                 break;
 707                         }
 708                         break;
 709
 710                     case STATE_WARNINGS:
 711                         this.change_status(data.key, data.value);
 712                         break;
 713                 }
 714                 */
 715             },
 716
 717
 718             /* INTERNAL FUNCTIONS */
 719
 720             _set_lease_slots: function(lease_key, lease)
 721             {
 722                 var resource, lease_status, lease_class;
 723                 var day_timestamp, id_start, id_end, colspan_lease;
 724
 725                 resource = this.scope_resources_by_key[lease.resource];
 726                 day_timestamp = SchedulerDateSelected.getTime() / 1000;
 727                 if(resource === undefined){
 728                     console.log('resource undefined = '+lease.resource);
 729                     return;
 730                 }
 731                 id_start = Math.floor((lease.start_time - day_timestamp) / resource.granularity);
 732
 733                 /* Some leases might be in the past */
 734                 if (id_start < 0)
 735                     id_start = 0;
 736                 /* Leases in the future: ignore */
 737                 if (id_start >= this._all_slots.length)
 738                     return true; // ~ continue
 739
 740                 id_end   = Math.ceil((lease.end_time   - day_timestamp) / resource.granularity);
 741                 colspan_lease = resource.granularity / this._slot_length; //eg. 3600 / 1800 => 2 cells
 742                 if (id_end >= this._all_slots.length / colspan_lease) {
 743                     /* Limit the display to the current day */
 744                     id_end = this._all_slots.length / colspan_lease
 745                 }
 746                 lease_status = manifold.query_store.get_record_state(this.options.query_lease_uuid, lease_key, STATE_SET);
 747                 // the same slots might be affected multiple times.
 748                 // PENDING_IN + PENDING_OUT => IN
 749                 //
 750                 // RESERVED vs SELECTED !
 751                 //
 752                 // PENDING !!
 753                 switch(lease_status) {
 754                     case STATE_SET_IN:
 755                         lease_class = 'selected'; // my leases
 756                         lease_success = '';
 757                         break;
 758                     case STATE_SET_IN_SUCCESS:
 759                         lease_class = 'selected'; // my leases
 760                         lease_success = 'success';
 761                     case STATE_SET_OUT_FAILURE:
 762                         lease_class = 'selected'; // my leases
 763                         lease_success = 'failure';
 764                         break;
 765                     case STATE_SET_OUT:
 766                         lease_class = 'reserved'; // other leases
 767                         lease_success = '';
 768                         break;
 769                     case STATE_SET_OUT_SUCCESS:
 770                         lease_class = 'free'; // other leases
 771                         lease_success = 'success';
 772                         break;
 773                     case STATE_SET_IN_FAILURE:
 774                         lease_class = 'free'; // other leases
 775                         lease_success = 'failure';
 776                         break;
 777                     case STATE_SET_IN_PENDING:
 778                         lease_class = 'pendingin';
 779                         lease_success = '';
 780                         break;
 781                     case STATE_SET_OUT_PENDING:
 782                         // pending_in & pending_out == IN == replacement
 783                         if (resource.leases[i].status == 'pendingin')
 784                             lease_class = 'pendingin'
 785                         else
 786                             lease_class = 'pendingout';
 787                         lease_success = '';
 788                         break;
 789
 790                 }
 791
 792                 for (i = id_start; i < id_end; i++) {
 793                     resource.leases[i].status = lease_class;
 794                     resource.leases[i].success = lease_success;
 795                 }
 796             },
 797
 798 /* XXX IN TEMPLATE XXX
 799                 if (SchedulerDataViewData.length == 0) {
 800                     $("#plugin-scheduler").hide();
 801                     $("#plugin-scheduler-empty").show();
 802                     tmpScope.clearStuff();
 803                 } else {
 804                     $("#plugin-scheduler-empty").hide();
 805                     $("#plugin-scheduler").show();
 806                     // initSchedulerResources
 807                     tmpScope.initSchedulerResources(schedulerMaxRows < SchedulerDataViewData.length ? schedulerMaxRows : SchedulerDataViewData.length);
 808                 }
 809 */
 810
 811             /**
 812              * Initialize the date picker, the table, the slider and the buttons. Once done, display scheduler.
 813              */
 814             _initUI: function()
 815             {
 816                 var self = this;
 817                 var scope = self._get_scope();
 818
 819                 var num_hidden_cells;
 820
 821                 $("#DateToRes").datepicker({
 822                         dateFormat: "D, d M yy",
 823                     onRender: function(date) {
 824                         return date.valueOf() < now.valueOf() ? 'disabled' : '';
 825                     }
 826                 }).on('changeDate', function(ev) {
 827                     SchedulerDateSelected = new Date(ev.date);
 828                     SchedulerDateSelected.setHours(0,0,0,0);
 829                     // Set slider to origin
 830                     //$('#tblSlider').slider('setValue', 0); // XXX
 831                     // Refresh leases
 832                     self._scope_clear_leases();
 833                     self._set_all_lease_slots();
 834                     // Refresh display
 835                     self._get_scope().$apply();
 836                 }).datepicker('setValue', SchedulerDateSelected); //.data('datepicker');
 837
 838                 //init Slider
 839                 num_hidden_cells = self._all_slots.length - self._num_visible_cells;
 840                 init_cell = (new Date().getHours() - 1) * 3600 / self._granularity;
 841                 if (init_cell > num_hidden_cells)
 842                     init_cell = num_hidden_cells;
 843
 844                 $('#tblSlider').slider({
 845                     min: 0,
 846                     max: num_hidden_cells,
 847                     value: init_cell,
 848                 }).on('slide', function(ev) {
 849                     var scope = self._get_scope();
 850                     scope.from = ev.value;
 851                     scope.$apply();
 852                 });
 853                 scope.from = init_cell;
 854                 scope.$apply();
 855
 856                 $("#plugin-scheduler-loader").hide();
 857                 $("#plugin-scheduler").show();
 858             },
 859
 860         // PRIVATE METHODS
 861
 862         /**
 863          * Greatest common divisor
 864          */
 865         _gcd : function(x, y)
 866         {
 867             return (y==0) ? x : this._gcd(y, x % y);
 868         },
 869
 870         _gcdn : function(array)
 871         {
 872             var self = this;
 873             return array.reduce(function(prev, cur, idx, arr) { return self._gcd(prev, cur); });
 874         },
 875
 876         /**
 877          * Least common multiple
 878          */
 879         _lcm : function(x, y)
 880         {
 881             return x * y / this._gcd(x, y);
 882         },
 883
 884         _lcmn : function(array)
 885         {
 886             var self = this;
 887             return array.reduce(function(prev, cur, idx, arr) { return self._lcm(prev, cur); });
 888         },
 889
 890         _pad_str : function(i)
 891         {
 892             return (i < 10) ? "0" + i : "" + i;
 893         },
 894
 895         /**
 896          * Member variables used:
 897          *   _granularity
 898          *
 899          * Returns:
 900          *   A list of {id, time} dictionaries.
 901          */
 902         _generate_all_slots: function()
 903         {
 904             var slots = [];
 905             // Start with a random date (a first of a month), only time will matter
 906             var d = new Date(2014, 1, 1, 0, 0, 0, 0);
 907             var i = 0;
 908             // Loop until we change the day
 909             while (d.getDate() == 1) {
 910                 // Nicely format the time...
 911                 var tmpTime = this._pad_str(d.getHours()) + ':' + this._pad_str(d.getMinutes());
 912                 /// ...and add the slot to the list of results
 913                 slots.push({ id: i, time: tmpTime });
 914                 // Increment the date with the granularity
 915                 d = new Date(d.getTime() + this._slot_length * 1000);
 916                 i++;
 917             }
 918             return slots;
 919
 920         },
 921     });
 922
 923     /* Plugin registration */
 924     $.plugin('Scheduler2', scheduler2);
 925
 926 })(jQuery);
 927
 928
 929