plugins/scheduler/static/js/scheduler.js

   1 /**
   2  * Description: display a query result in a Google map
   3  * Copyright (c) 2012-2013 UPMC Sorbonne Universite - INRIA
   4  * License: GPLv3
   5  */
   6
   7 /* based on the leases.js code in PLE WWW interface for MyPLC by Thierry Parmentelat -- INRIA */
   8
   9 /* XXX Those declarations should not be part of the js file... */
  10
  11 /* decorations / headers */
  12 /* note: looks like the 'font' attr is not effective... */
  13
  14 // vertical rules
  15 var attr_rules={'fill':"#888", 'stroke-dasharray':'- ', 'stroke-width':0.5};
  16 // set font-size separately in here rather than depend on the height
  17 var txt_timelabel = {"font": 'Times, "Trebuchet MS", Verdana, Arial, Helvetica, sans-serif',
  18              stroke: "none", fill: "#008", 'font-size': 9};
  19 var txt_allnodes = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#404"};
  20 var txt_nodelabel = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#008"};
  21
  22 var attr_timebutton = {'fill':'#bbf', 'stroke': '#338','stroke-width':1,
  23                'stroke-linecap':'round', 'stroke-linejoin':'miter', 'stroke-miterlimit':3};
  24 var attr_daymarker = {'stroke':'#000','stroke-width':2};
  25 var attr_half_daymarker = {'stroke':'#444','stroke-width':2};
  26
  27 /* lease dimensions and colors */
  28 /* refrain from using gradient color, seems to not be animated properly */
  29 /* lease was originally free and is still free */
  30 var attr_lease_free_free={'fill':"#def", 'stroke-width':0.5, 'stroke-dasharray':''};
  31 /* lease was originally free and is now set for our usage */
  32 var attr_lease_free_mine={'fill':"green", 'stroke-width':1, 'stroke-dasharray':'-..'};
  33 /* was mine and is still mine */
  34 var attr_lease_mine_mine={'fill':"#beb", 'stroke-width':0.5, 'stroke-dasharray':''};
  35 /* was mine and is about to be released */
  36 var attr_lease_mine_free={'fill':"white", 'stroke-width':1, 'stroke-dasharray':'-..'};
  37 var attr_lease_other={'fill':"#f88"};
  38
  39 /* other slices name */
  40 var txt_otherslice = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#444", "font-size": "12px"};
  41
  42 (function($){
  43
  44     var Scheduler = Plugin.extend({
  45
  46         init: function(options, element)
  47         {
  48             this._super(options, element);
  49
  50                 /* Member variables */
  51             this.options = options;
  52             this.canvas_id = 'leases_area-' + options.plugin_uuid;
  53
  54             this.query_uuid = options.query_uuid;
  55             this.rows = null;
  56             // XXX TODEL
  57             //this.current_resources = Array();
  58             //this.current_leases = Array();
  59
  60             this.myLeases = Array();
  61             this.allLeases = Array();
  62
  63             this.listLeases = Array();
  64
  65             this.axisx = Array();
  66             this.axisy = Array();
  67             this.data = Array();
  68             this.default_granularity = 1800; /* 30 min */
  69             this.initial_timestamp = null;
  70
  71             /* This should be updated to be the ppcm of all granularities */
  72             this.min_granularity = this.default_granularity;
  73
  74             // the data contains slice names, and lease_id, we need this to find our own leases (mine)
  75             this.paper=null;
  76
  77             /* XXX Events */
  78
  79             /* XXX Keys */
  80
  81             /* Listening to queries */
  82             this.listen_query(options.resource_query_uuid);
  83             this.listen_query(options.lease_query_uuid);
  84
  85             /* XXX GUI setup and event binding */
  86             jQuery("#datepicker").datetimepicker({
  87                 //Timezone wise selection option
  88                 //timeFormat: 'hh:mm tt z',
  89                 //showTimezone: true,
  90
  91                 onSelect: function(value) {
  92                     //console.log(value);
  93                     //converting time to timestamp
  94                     currentDate= Math.round(Date.parse(value)/ 1000);
  95                     // TODO -- DONE
  96                     // convert value to timestamp --done
  97                     // Get jQuery("#timepicker").val(); - no need anymore
  98                     // convert timepicker into seconds - no need
  99                     // Add time to date - done
 100                     // pass the result to init_axisx - done
 101                     //console.log(currentDate);
 102                     s.clear();
 103                     s.init_axisx(currentDate);
 104                     s.draw();
 105                     // Do we need to populate the timeslots with existing leases?
 106                     // Look how to populate with initial_leases [we have to show the leases]
 107
 108                 }
 109             });
 110             //console.log(s.nodelabels[1]);
 111             // Do we need to populate the timeslots with existing leases?
 112             // Look how to populate with initial_leases
 113
 114             // TODO -- DONE  Note: autocomplete is not search box
 115             // Implement a filtering functionality, on the name of the node
 116             // http://jqueryui.com/autocomplete/
 117             // pass s.nodelabels to autocomplete function
 118             //jQuery("#search").autocomplete('s.nodelabel');
 119             //console.log(s.nodelabel);
 120
 121             /*
 122              * TODO
 123              * During init, there are no resources
 124              * So the list of nodes is empty
 125              * The function triggered by the subscription to the resources query
 126              * var RESULTS_RESOURCES = '/results/' + options.resource_query_uuid + '/changed';
 127              * $.subscribe(RESULTS_RESOURCES, function(e, resources) { s.set_resources(resources);   });
 128              * Will have to update the list of nodes available through autocomplete (availableTags)
 129              *
 130              * Be inspired by QueryEditor plugin
 131              *
 132              * Resources informations in s.axisy ???
 133              *
 134              * Filter what has been selected in other plugins:
 135              * QueryEditor
 136              * QuickFilter
 137              * AdvancedFilter
 138              *
 139              * Implement an action of filtering while typing
 140              * filter what correspond to the user choice
 141              *
 142              */
 143             $(function() {
 144                 var availableTags = ['omf','nitos','ple', s.nodelabel];
 145             $( "#search" ).autocomplete({
 146               source: availableTags
 147                 });
 148             });
 149
 150             this.init_axisx('');
 151             this.draw();
 152
 153         }, /* init */
 154
 155         /* Default settings */
 156         default_options: {
 157             leases_offset:       0,
 158             leases_slots:        36,
 159             leases_w:            180,
 160             leases_granularity:  3600,
 161
 162             x_nodelabel:         200,   /* space for the nodenames */
 163             x_sep:               20,    /* right space after the nodename - removed from the above */
 164             y_header:            12,    /* height for the (two) rows of timelabels */
 165             y_sep:               10,    /* space between nodes */
 166             leases_w:            20,    /* 1-grain leases attributes */
 167             y_node:              15,
 168             radius:              6,
 169             anim_delay:          350,
 170             checkboxes:          false,
 171             resource_query_uuid: null,  /* resources */
 172             lease_query_uuid:    null,  /* leases */
 173         },
 174
 175         /* PLUGIN EVENTS */
 176
 177         /* GUI EVENTS */
 178
 179         /* GUI MANIPULATION */
 180
 181         /* TEMPLATES */
 182
 183         /* QUERY HANDLERS */
 184
 185         set_resources: function(resources)
 186         {
 187             //console.log(resources);
 188             var scheduler = this;
 189             jQuery.each(resources, function(i, resource) {
 190                 // ... add reservable ones to the x axis
 191                 if ((typeof resource.exclusive != 'undefined') && (resource.exclusive)) {
 192                     scheduler.axisy.push(Array(resource.urn, resource.resource_hrn, resource.type));
 193                 }
 194                 // ... if we do not have information about slivers (first update), update it
 195                 if (typeof resource.sliver != 'undefined') {
 196                     // XXX
 197                 }
 198             });
 199
 200             this.draw(this.canvas_id);
 201         }
 202
 203         this.set_leases = function(leases) {
 204             this.initial_leases=leases;
 205             this.draw(this.canvas_id);
 206         }
 207
 208         this.update_resources = function(resources) {
 209             //
 210         }
 211
 212         this.update_leases = function(leases) {
 213             //
 214         }
 215
 216         /* RECORD HANDLERS */
 217
 218         /* INTERNAL FUNCTIONS */
 219
 220         /**
 221          * @brief Return the number of time slots
 222          */
 223         nb_grains: function ()
 224         {
 225             return this.axisx.length;
 226         },
 227
 228         /**
 229          * @brief Returns whether there is a pending lease at this timestamp
 230          */
 231         find_lease: function(urn, timestamp)
 232         {
 233             var scheduler = this;
 234             var result = null;
 235
 236             $.each(Array(scheduler.myLeases, scheduler.allLeases), function(i, array) {
 237                 $.each(array, function(i, lease) {
 238                     if (lease[0] == urn) {
 239                         if ((timestamp >= lease[1]) && (timestamp < (lease[1] + lease[2] * 1800))) {
 240                             result = lease;
 241
 242                             return false;
 243                         }
 244                     }
 245                 });
 246                 if (result)
 247                     return false;
 248             });
 249             return result;
 250         },
 251
 252         /**
 253          * @brief Draw
 254          */
 255         draw: function()
 256         {
 257             var canvas_id = this.canvas_id;
 258             var o = this.options;
 259             var total_width = o.x_nodelabel + this.nb_grains() * this.options.leases_w;
 260             var total_height = 2 * o.y_header /* the timelabels */
 261                              + 2 * o.y_sep    /* extra space */
 262                              + o.y_node   /* all-nodes & timebuttons row */
 263                              + (this.axisy.length)*(o.y_node+o.y_sep);  /* the regular nodes and preceding space */
 264
 265             /* reuse for paper if exists with same size, or (re-)create otherwise */
 266             var paper;
 267             if (this.paper == null) {
 268                 paper = Raphael (canvas_id, total_width+o.x_sep, total_height);
 269             } else if (this.paper.width==total_width && this.paper.height==total_height) {
 270                 paper=this.paper;
 271                 paper.clear();
 272             } else {
 273                 $$("#"+canvas_id)[0].innerHTML="";
 274                 paper = Raphael (canvas_id, total_width+o.x_sep, total_height);
 275             }
 276             this.paper=paper;
 277
 278             /* the path for the triangle-shaped buttons */
 279             this.timebutton_path = "M1,0L"+(this.options.leases_w-1)+",0L"+(this.options.leases_w/2)+","+o.y_header+"L1,0";
 280
 281             var axisx = this.axisx;
 282             var axisy = this.axisy;
 283
 284             /* maintain the list of nodelabels for the 'all nodes' button */
 285             this.nodelabels=[];
 286
 287
 288             /* create the time slots legend */
 289             var top = 0;
 290             var left = o.x_nodelabel;
 291
 292             var daymarker_height= 2*o.y_header + 2*o.y_sep + (axisy.length+1)*(o.y_node+o.y_sep);
 293             var daymarker_path="M0,0L0," + daymarker_height;
 294
 295             var half_daymarker_off= 2*o.y_header + o.y_sep;
 296             var half_daymarker_path="M0," + half_daymarker_off + "L0," + daymarker_height;
 297
 298             var col=0;
 299             for (var i=0, len=axisx.length; i < len; ++i) {
 300                 /* pick the printable part */
 301                 var timelabel=axisx[i][1];
 302                 var y = top + o.y_header;
 303                 if (col%2 == 0) y += o.y_header;
 304                 col +=1;
 305                 /* display time label */
 306                 var timelabel=paper.text(left,y,timelabel).attr(txt_timelabel).attr({"text-anchor":"middle"});
 307                 /* draw vertical line */
 308                 var path_spec="M"+left+" "+(y+o.y_header/2)+"L"+left+" "+this.total_height;
 309                 var rule=paper.path(path_spec).attr(attr_rules);
 310                 /* show a day marker when relevant */
 311                 var timestamp=parseInt(axisx[i][0]);
 312                 if ( (timestamp%(24*3600))==0) {
 313                     paper.path(daymarker_path).attr({'translation':left+','+top}).attr(attr_daymarker);
 314                 } else if ( (timestamp%(12*3600))==0) {
 315                     paper.path(half_daymarker_path).attr({'translation':left+','+top}).attr(attr_daymarker);
 316                 }
 317                 left += this.options.leases_w;
 318             },
 319
 320             ////////// the row with the timeslot buttons (the one labeled 'All nodes')
 321             this.granularity= this.min_granularity; // XXX axisx[1][0]-axisx[0][0];
 322
 323             // move two lines down
 324             top += 2*o.y_header + 2*o.y_sep;
 325             left=o.x_nodelabel;
 326             // all nodes buttons
 327             var allnodes = paper.text (o.x_nodelabel-o.x_sep,top+o.y_node/2,"All nodes").attr(txt_allnodes)
 328                 .attr ({"font-size":o.y_node, "text-anchor":"end","baseline":"bottom"});
 329             allnodes.scheduler=this;
 330             allnodes.click(allnodes_methods.click);
 331
 332             // timeslot buttons [it's the triangles above the slots]
 333             for (var i=0, len=axisx.length; i < len; ++i) {
 334                 var timebutton=paper.path(this.timebutton_path).attr({'translation':left+','+top}).attr(attr_timebutton);
 335                 timebutton.from_time=axisx[i][0];
 336                 timebutton.scheduler=this;
 337                 timebutton.click(timebutton_methods.click);
 338                 left+=(this.options.leases_w);
 339             }
 340
 341             //////// the body of the scheduler : loop on nodes
 342             top += o.y_node + o.y_sep;
 343             var data_index=0;
 344             this.leases=[];
 345             for (var i=0, len=axisy.length; i<len; ++i) {
 346                 var urn=axisy[i][0];
 347                 var nodename=axisy[i][1];
 348                 var type=axisy[i][2];
 349                 left=0;
 350                 /*
 351                  *  MODIFIED font-size
 352                 var nodelabel = paper.text(o.x_nodelabel-x_sep,top+y_node/2,nodename).attr(txt_nodelabel)
 353                 .attr ({"font-size":y_node, "text-anchor":"end","baseline":"bottom"});
 354                 */
 355                 var nodelabel = paper.text(o.x_nodelabel-o.x_sep,top+o.y_node/3,nodename).attr(txt_nodelabel)
 356                 .attr ({"font-size":"12px", "text-anchor":"end","baseline":"bottom"});
 357                 //console.log(nodelabel);
 358                 nodelabel_methods.selected(nodelabel,1);
 359                 //nodelabel_methods.selected( this, ! this.selected );
 360                 nodelabel.click(nodelabel_methods.click); //click action works here
 361                 //timebutton.click(timebutton_methods.click);
 362
 363                // lease_methods.init_free(nodelabel.click, lease_methods.click_mine);
 364                //lease_methods.init_free(nodelabel.lease);
 365                 this.nodelabels.push(nodelabel);
 366
 367                 left += o.x_nodelabel;
 368                 var grain=0;
 369                 // data index contains the full array of leases
 370                 // not the same amount of grains per node
 371
 372                 // NOTE: remembering the previous lease might help for long leases.
 373                 while (grain < this.nb_grains()) {
 374
 375                     if (l = this.find_lease(urn, this.initial_timestamp + grain * 1800)) {
 376                         slicename = l.slice_id;
 377                     } else {
 378                         slicename = "";
 379                     }
 380
 381                     //lease_id  = this.data[data_index][0];
 382                     //slicename = this.data[data_index][1];
 383                     /* Duration should not be the lease duration, but the grain */
 384                     var duration = 1; // this.data[data_index][2];
 385
 386                     var lease=paper.rect (left,top,this.options.leases_w*duration,o.y_node,o.radius);
 387                     // record scheduler in lease - early as we need this in init_other
 388                     lease.scheduler=this;
 389                     //lease.lease_id=lease_id;
 390                     lease.nodename=nodename;
 391                     lease.urn=urn;
 392                     lease.nodelabel=nodelabel;
 393                     if (slicename == "") {
 394                         lease.initial="free";
 395                         lease_methods.init_free(lease);
 396                     } else if (slicename == this.options.slicename) {
 397                         lease.initial="mine";
 398                         lease_methods.init_mine(lease);
 399                     } else {
 400                         lease.initial="other";
 401                         lease_methods.init_other(lease,slicename);
 402                     }
 403                     lease.from_time = axisx[grain%this.nb_grains()][0];
 404                     grain += duration;
 405                     lease.until_time = axisx[grain%this.nb_grains()][0];
 406                     // and vice versa
 407                     this.leases.push(lease);
 408                     // move on with the loop
 409                     left += this.options.leases_w*duration;
 410                     data_index +=1;
 411                 }
 412                 top += o.y_node + o.y_sep;
 413             };
 414         }, /* draw */
 415
 416         init_axisx: function(currentDate)
 417         {
 418             this.axisx = Array();
 419
 420             if(currentDate=="") {
 421                 // creating timestamp of the current time
 422                 currentDate = new Date().getTime() / 1000;
 423             }
 424             this.initial_timestamp = currentDate;
 425             //console.log(currentDate);
 426
 427             // round it by granularity (becomes an Int)
 428             var rounded = Math.round(currentDate/this.min_granularity)*this.min_granularity;
 429             // Convert Int to Date
 430             rounded = new Date(rounded*1000);
 431             // get hours and minutes in a 24h format 00:00
 432             var roundedHours=(rounded.getHours()<10?'0':'') + rounded.getHours();
 433             var roundedMinutes=(rounded.getMinutes()<10?'0':'') + rounded.getMinutes();
 434
 435             //timeFrame.push(rounded);
 436             this.axisx.push(Array(rounded, roundedHours+":"+roundedMinutes));
 437
 438             // Generate as man slots as we need
 439             for(i=0; i<this.options.leases_slots;i++) {
 440                 rounded = this.min_granularity+(rounded.getTime()/1000);
 441                 rounded = new Date(rounded*1000);
 442                 roundedHours=(rounded.getHours()<10?'0':'') + rounded.getHours();
 443                 roundedMinutes=(rounded.getMinutes()<10?'0':'') + rounded.getMinutes();
 444
 445                 //timeFrame.push(rounded);
 446                 this.axisx.push(Array(rounded, roundedHours+":"+roundedMinutes));
 447             }
 448         },
 449
 450         clear: function ()
 451         {
 452             for (var i=0, len=this.leases.length; i<len; ++i) {
 453                 var lease=this.leases[i];
 454                 if (lease.current != lease.initial) {
 455                 if (lease.initial == 'free') lease_methods.init_free(lease,lease_methods.click_mine);
 456                 else                         lease_methods.init_mine(lease,lease_methods.click_free);
 457                 }
 458             }
 459         },
 460
 461         // XXX Couldn't find how to inhererit from the raphael objects...
 462
 463         /* ---------------------------------------------------------------------
 464          * The 'all nodes' button
 465          */
 466         allnodes_methods: {
 467             click: function (event) {
 468                 var scheduler=this.scheduler;
 469                 /* decide what to do */
 470                 var unselected=0;
 471                 for (var i=0, len=scheduler.nodelabels.length; i<len; ++i)
 472                     if (! scheduler.nodelabels[i].selected) unselected++;
 473                 /* if at least one is not selected : select all */
 474                 var new_state = (unselected >0) ? 1 : 0;
 475                 for (var i=0, len=scheduler.nodelabels.length; i<len; ++i)
 476                     nodelabel_methods.selected(scheduler.nodelabels[i],new_state);
 477             }
 478         },
 479
 480         /* ---------------------------------------------------------------------
 481          * The buttons for managing the whole timeslot
 482          */
 483         timebutton_methods: {
 484
 485             /* clicking */
 486             click: function (event) {
 487                 var scheduler = this.scheduler;
 488                 var from_time = this.from_time;
 489                 var until_time = from_time + scheduler.granularity;
 490                 /* scan leases on selected nodes, store in two arrays */
 491                 var relevant_free=[], relevant_mine=[];
 492                 for (var i=0,len=scheduler.leases.length; i<len; ++i) {
 493                     var scan=scheduler.leases[i];
 494                     if ( ! scan.nodelabel.selected) continue;
 495                     // overlap ?
 496                     if (scan.from_time<=from_time && scan.until_time>=until_time) {
 497                     if (scan.current == "free")       relevant_free.push(scan);
 498                     else if (scan.current == "mine")  relevant_mine.push(scan);
 499                     }
 500                 }
 501                 // window.console.log("Found " + relevant_free.length + " free and " + relevant_mine.length + " mine");
 502                 /* decide what to do, whether book or release */
 503                 if (relevant_mine.length==0 && relevant_free.length==0) {
 504                     alert ("Nothing to do in this timeslot on the selected nodes");
 505                     return;
 506                 }
 507                 // if at least one is free, let's book
 508                 if (relevant_free.length > 0) {
 509                     for (var i=0, len=relevant_free.length; i<len; ++i) {
 510                         var lease=relevant_free[i];
 511                         lease_methods.init_mine(lease,lease_methods.click_free);
 512                     }
 513                 // otherwise we unselect
 514                 } else {
 515                     for (var i=0, len=relevant_mine.length; i<len; ++i) {
 516                         var lease=relevant_mine[i];
 517                         lease_methods.init_free(lease,lease_methods.click_mine);
 518                     }
 519                 }
 520             } /* click */
 521         },
 522
 523         /* ---------------------------------------------------------------------
 524          * The nodelabel buttons
 525          */
 526         nodelabel_methods: {
 527
 528             // set selected mode and render visually
 529             selected: function (nodelabel, flag) {
 530                 nodelabel.selected=flag;
 531                 nodelabel.attr({'font-weight': (flag ? 'bold' : 'normal')});
 532                 // TODO
 533                 //
 534                 // loop on axis x and select each timebutton
 535                 // for (var i=0, len=axisx.length; i < len; ++i)
 536                 // figure out how to use timebutton_methods.click();
 537
 538             },
 539
 540             // toggle selected
 541             click: function (event) {
 542                 nodelabel_methods.selected( this, ! this.selected );
 543             }
 544         },
 545
 546
 547         /* ---------------------------------------------------------------------
 548          * The lease buttons
 549          */
 550         lease_methods: {
 551
 552             init_free: function (lease, unclick) {
 553                 var o = lease.scheduler.options;
 554                 lease.current="free";
 555                 // set color
 556                 lease.animate((lease.initial=="free") ? attr_lease_free_free : attr_lease_mine_free, o.anim_delay);
 557                 // keep track of the current status
 558                 // record action
 559                 lease.click (lease_methods.click_free);
 560                 if (unclick) lease.unclick(unclick);
 561             },
 562
 563             // find out all the currently free leases that overlap this one
 564             click_free: function (event) {
 565                 var scheduler = this.scheduler;
 566                 lease_methods.init_mine(this,lease_methods.click_free);
 567                 //publish
 568                 //this.from_time
 569                 //this.urn
 570                 //this.until_time
 571                 var urn = this.urn
 572                 var start_time=new Date(this.from_time).getTime() / 1000;
 573                 var end_time=new Date(this.until_time).getTime() / 1000;
 574                 var duration=(end_time-start_time)/1800; // XXX HARDCODED LEASE GRAIN
 575
 576                 /* Add a new lease : XXX should be replaced by a dictionary */
 577                 // Do we have a lease with the same urn  just before or just after ?
 578                 var removeIdBefore = null;
 579                 var removeIdAfter = null;
 580                 jQuery.each(scheduler.listLeases, function(i, lease) {
 581                     if (lease[0] == urn) {
 582                         if (lease[1] + lease[2] * 1800 == start_time) { // XXX HARDCODED LEASE GRAIN
 583                             // Merge with previous lease
 584                             removeIdBefore = i;
 585                             start_time = lease[1];
 586                             duration += lease[2];
 587                         }
 588                         if (lease[1] == end_time) {
 589                             // Merge with following lease
 590                             removeIdAfter = i;
 591                             duration += lease[2];
 592                         }
 593                     }
 594                 });
 595                 if (removeIdBefore != null) {
 596                     scheduler.listLeases.splice(removeIdBefore , 1);
 597                     if (removeIdAfter != null)
 598                         removeIdAfter -= 1;
 599                 }
 600                 if (removeIdAfter != null) {
 601                     scheduler.listLeases.splice(removeIdAfter , 1);
 602                 }
 603
 604                 scheduler.listLeases.push([this.urn, start_time, duration]);
 605
 606                 console.log(scheduler.listLeases);
 607                 //jQuery.publish('/update-set/' + scheduler.options.query_uuid, [scheduler.listLeases]);
 608                 jQuery.publish('/update-set/' + scheduler.options.lease_query_uuid, [scheduler.listLeases]);
 609             },
 610
 611             init_mine: function (lease, unclick) {
 612                 var o = lease.scheduler.options;
 613                 lease.current="mine";
 614                 lease.animate((lease.initial=="mine") ? attr_lease_mine_mine : attr_lease_free_mine,o.anim_delay);
 615                 lease.click (lease_methods.click_mine);
 616                 if (unclick) lease.unclick(unclick);
 617             },
 618
 619             /* TODO: remove selected lease from array listLeases and publish change */
 620             click_mine: function (event) {
 621                 var scheduler = this.scheduler;
 622                 // this lease was originally free but is now marked for booking
 623                 // we free just this lease
 624                 //console.log('this is mine');
 625                 lease_methods.init_free(this, lease_methods.click_mine);
 626             },
 627
 628
 629             init_other: function (lease, slicename) {
 630                 lease.animate (attr_lease_other,anim_delay);
 631                 /* a text obj to display the name of the slice that owns that lease */
 632                 var otherslicelabel = lease.scheduler.paper.text (lease.attr("x")+lease.attr("width")/2,
 633                                           // xxx
 634                                           lease.attr("y")+lease.attr("height")/2,slicename).attr(txt_otherslice);
 635                 /* hide it right away */
 636                 otherslicelabel.hide();
 637                 /* record it */
 638                 lease.label=otherslicelabel;
 639                 lease.hover ( function (e) {this.label.toFront();this.label.show();},
 640                           function (e) {this.label.hide();} );
 641             }
 642         }
 643
 644     });
 645
 646     $.plugin('Scheduler', Scheduler);
 647
 648 })(jQuery);