2 * Description: display a query result in a Google map
3 * Copyright (c) 2012-2013 UPMC Sorbonne Universite - INRIA
7 /* based on the leases.js code in PLE WWW interface for MyPLC by Thierry Parmentelat -- INRIA */
9 /* XXX Those declarations should not be part of the js file... */
11 /* decorations / headers */
12 /* note: looks like the 'font' attr is not effective... */
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"};
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};
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"};
39 /* other slices name */
40 var txt_otherslice = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#444", "font-size": "12px"};
44 var Scheduler = Plugin.extend({
46 init: function(options, element)
48 this._super(options, element);
50 /* Member variables */
51 this._canvas_id = this.id('leases_area');
53 this.query_uuid = options.query_uuid;
56 //this.current_resources = Array();
57 //this.current_leases = Array();
59 /* Managing asynchronous reception of resources and leases */
60 this._resources = Array();
61 this._leases = Array();
62 this._received_resources = false;
63 this._received_leases = false;
65 this._axisx = Array();
66 this._nodelabels = Array();
67 this._lease_elements = Array();
68 //this.myLeases = Array();
69 //this.allLeases = Array();
71 /* The time axis is an array of tuple (time, printable time) representing timeslots */
74 this.default_granularity = 1800; /* 30 min */
75 this._initial_timestamp = null;
77 /* This should be updated to be the ppcm of all granularities */
78 this.min_granularity = this.default_granularity;
80 // the data contains slice names, and lease_id, we need this to find our own leases (mine)
88 /* Listening to queries */
89 this.listen_query(options.query_uuid);
90 this.listen_query(options.query_all_resources_uuid, 'all_resources');
91 this.listen_query(options.query_lease_uuid, 'lease');
93 /* XXX GUI setup and event binding */
94 jQuery("#datepicker").datetimepicker({
95 //Timezone wise selection option
96 //timeFormat: 'hh:mm tt z',
99 onSelect: function(value) {
100 //console.log(value);
101 //converting time to timestamp
102 currentDate= Math.round(Date.parse(value)/ 1000);
104 // convert value to timestamp --done
105 // Get jQuery("#timepicker").val(); - no need anymore
106 // convert timepicker into seconds - no need
107 // Add time to date - done
108 // pass the result to init_axisx - done
109 //console.log(currentDate);
111 s._init_axisx(currentDate);
113 // Do we need to populate the timeslots with existing leases?
114 // Look how to populate with initial_leases [we have to show the leases]
119 this._init_axisx('');
124 /* Default settings */
129 leases_granularity: 3600,
131 x_nodelabel: 200, /* space for the nodenames */
132 x_sep: 20, /* right space after the nodename - removed from the above */
133 y_header: 12, /* height for the (two) rows of timelabels */
134 y_sep: 10, /* space between nodes */
135 leases_w: 20, /* 1-grain leases attributes */
146 /************************** GUI MANIPULATION **************************/
148 /* NOTE: All Raphael-dependent code should go here. Performance issues
149 * are suspected, it might be improved by a move to d3.js. The more
150 * general problem to solve is how to manipulate lots of svg objects.
153 /*************************** RECORD HANDLER ***************************/
155 /* ------------------------------------------------------------------
157 * ------------------------------------------------------------------ */
159 on_query_in_progress: function() {
163 on_query_done: function() {
164 /* We have received all leases */
165 if (this._received_resources) {
166 this._draw(this._canvas_id);
169 this._received_leases = true;
172 /* ------------------------------------------------------------------
174 * ------------------------------------------------------------------ */
176 on_all_resources_new_record: function(record)
178 if ((typeof record.exclusive != 'undefined') && (record.exclusive)) {
179 this._resources.push(Array(record.urn, record.hrn, record.type));
181 // ... if we do not have information about slivers (first update), update it
182 if (typeof record.sliver != 'undefined') {
187 /* ------------------------------------------------------------------
189 * ------------------------------------------------------------------ */
191 on_lease_new_record: function(record)
193 this._leases.push(record);
194 // this.initial_leases=leases;
197 on_lease_field_state_changed: function(data)
199 switch(data.request) {
200 case FIELD_REQUEST_ADD:
201 case FIELD_REQUEST_ADD_RESET:
202 this._leases.push(data.value);
203 /* XXX Not optimal, we could only redraw the right cell */
204 /* We need a mapping between the lease and the cell */
205 /* How is it done in d3 ? based on key */
208 case FIELD_REQUEST_REMOVE:
209 case FIELD_REQUEST_REMOVE_RESET:
210 // We remove data.value (aka keep those leases different from data.value
211 this._leases = $.grep(this._leases, function(x) { return x != data.value; });
220 on_lease_query_done: function(record)
222 /* We have received all resources */
223 if (this._received_leases) {
224 this._draw(this._canvas_id);
227 this._received_resources = true;
230 /************************** PRIVATE METHODS ***************************/
233 * @brief Return the number of time slots
235 nb_grains: function ()
237 return this._axisx.length;
241 * @brief Returns whether there is a pending lease at this timestamp
243 _lease_find: function(urn, timestamp)
245 var scheduler = this;
248 $.each(scheduler._leases, function(i, lease) {
249 if ((lease[0] == urn) &&
250 ((timestamp >= lease[1]) && (timestamp < (lease[1] + lease[2] * 1800)))) {
252 return false; // stop each
257 $.each(Array(scheduler.myLeases, scheduler.allLeases), function(i, array) {
258 $.each(array, function(i, lease) {
259 if (lease[0] == urn) {
260 if ((timestamp >= lease[1]) && (timestamp < (lease[1] + lease[2] * 1800))) {
279 var canvas_id = this._canvas_id;
280 var o = this.options;
282 var total_width = o.x_nodelabel + this.nb_grains() * this.options.leases_w;
283 var total_height = 2 * o.y_header /* the timelabels */
284 + 2 * o.y_sep /* extra space */
285 + o.y_node /* all-nodes & timebuttons row */
286 + (this._resources.length) * (o.y_node + o.y_sep); /* the regular nodes and preceding space */
288 /* reuse for paper if exists with same size, or (re-)create otherwise */
290 if (this.paper == null) {
291 paper = Raphael (canvas_id, total_width + o.x_sep, total_height);
292 } else if (this.paper.width==total_width && this.paper.height==total_height) {
296 $("#"+canvas_id)[0].innerHTML="";
297 //this.elmt().html();
298 paper = Raphael (canvas_id, total_width + o.x_sep, total_height);
302 /* the path for the triangle-shaped buttons */
303 var timebutton_path = "M1,0L"+(this.options.leases_w-1)+",0L"+(this.options.leases_w/2)+","+o.y_header+"L1,0";
305 var axisx = this._axisx;
306 var axisy = this._resources;
308 /* maintain the list of nodelabels for the 'all nodes' button */
309 this._nodelabels = [];
312 /* create the time slots legend */
314 var left = o.x_nodelabel;
316 var daymarker_height = 2*o.y_header + 2*o.y_sep + (axisy.length + 1) * (o.y_node + o.y_sep);
317 var daymarker_path = "M0,0L0," + daymarker_height;
319 var half_daymarker_off= 2*o.y_header + o.y_sep;
320 var half_daymarker_path="M0," + half_daymarker_off + "L0," + daymarker_height;
323 for (var i=0, len = axisx.length; i < len; ++i) {
324 /* pick the printable part */
325 var timelabel = axisx[i][1];
326 var y = top + o.y_header;
330 /* display time label */
331 var timelabel = paper.text(left, y, timelabel).attr(txt_timelabel).attr({"text-anchor": "middle"});
332 /* draw vertical line */
333 var path_spec = "M" + left + " " + (y+o.y_header / 2) + "L" + left + " " + this.total_height;
334 var rule = paper.path(path_spec).attr(attr_rules);
335 /* show a day marker when relevant */
336 var timestamp = parseInt(axisx[i][0]);
337 if ((timestamp % (24 * 3600)) == 0) {
338 paper.path(daymarker_path).attr({'translation': left + ',' + top}).attr(attr_daymarker);
339 } else if ( (timestamp%(12*3600))==0) {
340 paper.path(half_daymarker_path).attr({'translation': left + ',' + top}).attr(attr_daymarker);
345 ////////// the row with the timeslot buttons (the one labeled 'All nodes')
346 this.granularity = this.min_granularity; // XXX axisx[1][0]-axisx[0][0];
348 // move two lines down
349 top += 2 * o.y_header + 2 * o.y_sep;
350 left = o.x_nodelabel;
352 var allnodes = paper.text(o.x_nodelabel - o.x_sep, top + o.y_node / 2, "All nodes").attr(txt_allnodes)
353 .attr({"font-size": o.y_node, "text-anchor": "end", "baseline": "bottom"});
354 //allnodes.scheduler = this;
355 allnodes.click(this._allnodes_click); // XXX click
357 // timeslot buttons [it's the triangles above the slots]
358 for (var i = 0, len = axisx.length; i < len; ++i) {
359 var timebutton = paper.path(timebutton_path).attr({'translation':left + ',' + top}).attr(attr_timebutton);
360 timebutton.from_time = axisx[i][0];
361 timebutton.scheduler = this;
362 timebutton.click(this._timebutton_click);
363 left += (o.leases_w);
366 //////// the body of the scheduler : loop on nodes
367 top += o.y_node + o.y_sep;
370 this.leases = []; /* XXX ??? XXX */
372 for (var i = 0, len = axisy.length; i < len; ++i) {
373 var urn = axisy[i][0];
374 var nodename = axisy[i][1];
375 var type = axisy[i][2];
379 var nodelabel = paper.text(o.x_nodelabel-x_sep,top+y_node/2,nodename).attr(txt_nodelabel)
380 .attr ({"font-size":y_node, "text-anchor":"end","baseline":"bottom"});
382 var nodelabel = paper.text(o.x_nodelabel - o.x_sep, top + o.y_node / 3, nodename).attr(txt_nodelabel)
383 .attr({"font-size": "12px", "text-anchor": "end","baseline": "bottom"});
385 this._nodelabel_select(nodelabel, 1); // By default we select all nodes
386 nodelabel.scheduler = this;
387 nodelabel.click(this._nodelabel_click); //click action works here
388 this._nodelabels.push(nodelabel);
390 // lease_methods.init_free(nodelabel.click, lease_methods.click_mine);
391 //lease_methods.init_free(nodelabel.lease);
393 left += o.x_nodelabel;
395 // data index contains the full array of leases
396 // not the same amount of grains per node
398 // NOTE: remembering the previous lease might help for long leases.
400 while (grain < this.nb_grains()) {
402 if (l = this._lease_find(urn, this._initial_timestamp + grain * 1800)) {
403 slicename = l.slice_id;
408 //lease_id = this.data[data_index][0];
409 //slicename = this.data[data_index][1];
410 /* Duration should not be the lease duration, but the grain */
411 var duration = 1; // this.data[data_index][2];
413 var lease = paper.rect(left, top, o.leases_w * duration, o.y_node, o.radius);
414 lease.scheduler = this; // we record a pointer to the scheduler in the lease element
415 //lease.lease_id=lease_id;
416 lease.nodename = nodename;
418 lease.nodelabel = nodelabel;
419 lease.id = 0; /* XXX how to use CSS selector to find a given lease... */
421 if (slicename == "") {
422 lease.initial = "free";
423 this._lease_init_free(lease);
424 } else if (slicename == o.slicename) {
425 lease.initial = "mine";
426 this._lease_init_mine(lease);
428 lease.initial = "other";
429 this._lease_init_other(lease, slicename);
431 lease.from_time = axisx[grain % this.nb_grains()][0];
433 lease.until_time = axisx[grain % this.nb_grains()][0];
435 this._lease_elements.push(lease);
436 // move on with the loop
437 left += o.leases_w * duration;
440 top += o.y_node + o.y_sep;
444 _init_axisx: function(currentDate)
446 this._axisx = Array();
448 if(currentDate == "") {
449 // creating timestamp of the current time
450 currentDate = new Date().getTime() / 1000;
452 this._initial_timestamp = currentDate;
453 //console.log(currentDate);
455 // round it by granularity (becomes an Int)
456 var rounded = Math.round(currentDate / this.min_granularity) * this.min_granularity;
457 // Convert Int to Date
458 rounded = new Date(rounded * 1000);
459 // get hours and minutes in a 24h format 00:00
460 var roundedHours = (rounded.getHours() < 10 ? '0' : '') + rounded.getHours();
461 var roundedMinutes = (rounded.getMinutes() < 10 ? '0' : '') + rounded.getMinutes();
463 this._axisx.push(Array(rounded, roundedHours + ":" + roundedMinutes));
465 // Generate as many slots as we need
466 for(i = 0; i < this.options.leases_slots; i++) {
467 rounded = this.min_granularity + (rounded.getTime() / 1000);
468 rounded = new Date(rounded * 1000);
469 roundedHours = (rounded.getHours() < 10 ? '0' : '') + rounded.getHours();
470 roundedMinutes = (rounded.getMinutes() < 10 ? '0' : '') + rounded.getMinutes();
472 this._axisx.push(Array(rounded, roundedHours + ":" + roundedMinutes));
478 for (var i=0, len = this.leases.length; i<len; ++i) {
479 var lease = this.leases[i];
480 if (lease.current != lease.initial) {
481 if (lease.initial == 'free')
482 this._lease_init_free(lease, this._lease_click_mine);
484 this._lease_init_mine(lease, this._lease_methods.click_free);
489 // XXX Couldn't find how to inhererit from the raphael objects...
491 /* ---------------------------------------------------------------------
492 * The 'all nodes' button
494 _allnodes_click: function (event) {
495 var scheduler=this.scheduler;
497 /* decide what to do */
499 for (var i = 0, len = this._nodelabels.length; i < len; ++i)
500 if (!this._nodelabels[i].selected)
503 /* if at least one is not selected : select all */
504 var new_state = (unselected >0) ? 1 : 0;
505 for (var i=0, len=this._nodelabels.length; i<len; ++i)
506 this._nodelabel_select(this._nodelabels[i], new_state);
509 /* ---------------------------------------------------------------------
510 * The buttons for managing the whole timeslot
514 _timebutton_click: function (event)
516 var scheduler = this.scheduler;
517 var from_time = this.from_time;
518 var until_time = new Date(from_time.getTime() + scheduler.granularity);
519 /* scan leases on selected nodes, store in two arrays */
520 var relevant_free = [], relevant_mine = [];
521 for (var i = 0, len = scheduler._lease_elements.length; i < len; ++i) {
522 var scan = scheduler._lease_elements[i];
523 if (!scan.nodelabel.selected)
526 if (scan.from_time <= from_time && scan.until_time >= until_time) {
527 if (scan.current == "free")
528 relevant_free.push(scan);
529 else if (scan.current == "mine")
530 relevant_mine.push(scan);
533 // window.console.log("Found " + relevant_free.length + " free and " + relevant_mine.length + " mine");
534 /* decide what to do, whether book or release */
535 if (relevant_mine.length == 0 && relevant_free.length == 0) {
536 alert ("Nothing to do in this timeslot on the selected nodes");
539 // if at least one is free, let's book
540 if (relevant_free.length > 0) {
541 for (var i = 0, len = relevant_free.length; i < len; ++i) {
542 var lease = relevant_free[i];
543 scheduler._lease_init_mine(lease, scheduler._lease_click_free);
545 // otherwise we unselect
547 for (var i = 0, len = relevant_mine.length; i < len; ++i) {
548 var lease = relevant_mine[i];
549 scheduler._lease_init_free(lease, scheduler._lease_click_mine);
552 }, /* _timebutton_click */
554 /* ---------------------------------------------------------------------
555 * The nodelabel buttons
558 // set selected mode and render visually
559 _nodelabel_select: function (nodelabel, flag)
561 nodelabel.selected = flag;
562 nodelabel.attr({'font-weight': (flag ? 'bold' : 'normal')});
565 // loop on axis x and select each timebutton
566 // for (var i=0, len=axisx.length; i < len; ++i)
567 // figure out how to use timebutton_methods.click();
572 _nodelabel_click: function (event)
574 this.scheduler._nodelabel_select( this, ! this.selected );
578 /* ---------------------------------------------------------------------
581 _lease_init_free: function (lease, unclick)
583 var o = lease.scheduler.options;
584 lease.current = "free";
586 lease.animate((lease.initial == "free") ? attr_lease_free_free : attr_lease_mine_free, o.anim_delay);
587 // keep track of the current status
589 lease.click(this._lease_click_free);
590 if (unclick) lease.unclick(unclick);
593 // find out all the currently free leases that overlap this one
594 _lease_click_free: function (event)
596 var scheduler = this.scheduler;
598 scheduler._lease_init_mine(this, scheduler._lease_click_free);
604 var start_time = new Date(this.from_time).getTime() / 1000;
605 var end_time = new Date(this.until_time).getTime() / 1000;
606 var duration = (end_time - start_time) / 1800; // XXX HARDCODED LEASE GRAIN
608 /* Add a new lease : XXX should be replaced by a dictionary */
609 // Do we have a lease with the same urn just before or just after ?
610 //var removeIdBefore = null;
611 //var removeIdAfter = null;
612 var remove_lease_before = null;
613 var remove_lease_after = null;
614 // It is important to group leases, while this is technically
615 // equivalent, some testbeds such as IotLab limit the number of
616 // leases a user can have.
617 // XXX we might have several leases before or after if they have
618 // XXX not been grouped like this tool does
619 $.each(scheduler._leases, function(i, lease) {
620 if (lease[0] == urn) {
621 if (lease[1] + lease[2] * 1800 == start_time) { // XXX HARDCODED LEASE GRAIN
622 // Merge with previous lease
623 // removeIdBefore = i;
624 remove_lease_before = lease;
625 start_time = lease[1];
626 duration += lease[2];
628 if (lease[1] == end_time) {
629 // Merge with following lease
630 // removeIdAfter = i;
631 remove_lease_after = lease;
632 duration += lease[2];
636 //if (removeIdBefore != null) {
637 // scheduler._leases.splice(removeIdBefore , 1);
638 // if (removeIdAfter != null)
639 // removeIdAfter -= 1;
641 //if (removeIdAfter != null) {
642 // scheduler._leases.splice(removeIdAfter , 1);
645 // We add the new lease, no need to push
646 var new_lease = [this.urn, start_time, duration];
648 // We send events, manifold will inform us about the change and we will react accordingly
649 if (remove_lease_before != null)
650 manifold.raise_event(scheduler.options.query_lease_uuid, SET_REMOVED, remove_lease_before);
651 if (remove_lease_after != null)
652 manifold.raise_event(scheduler.options.query_lease_uuid, SET_REMOVED, remove_lease_after);
653 manifold.raise_event(scheduler.options.query_lease_uuid, SET_ADD, new_lease);
654 //scheduler._leases.push([this.urn, start_time, duration]);
656 //console.log(scheduler._leases);
657 //jQuery.publish('/update-set/' + scheduler.options.query_uuid, [scheduler._leases]);
659 /* We need to inform manifold about the whole diff, in addition to maintaining our own structure */
662 _lease_init_mine: function (lease, unclick)
664 var o = lease.scheduler.options;
665 lease.current = "mine";
666 lease.animate((lease.initial == "mine") ? attr_lease_mine_mine : attr_lease_free_mine, o.anim_delay);
667 lease.click(this._lease_click_mine);
669 lease.unclick(unclick);
672 /* TODO: remove selected lease from array _leases and publish change */
673 _lease_click_mine: function (event)
675 var scheduler = this.scheduler;
676 // this lease was originally free but is now marked for booking
677 // we free just this lease
678 //console.log('this is mine');
679 scheduler._lease_init_free(this, scheduler._lease_click_mine);
683 lease_init_other: function (lease, slicename)
685 lease.animate (attr_lease_other,anim_delay);
686 /* a text obj to display the name of the slice that owns that lease */
687 var otherslicelabel = lease.scheduler.paper.text (lease.attr("x")+lease.attr("width")/2,
689 lease.attr("y")+lease.attr("height")/2,slicename).attr(txt_otherslice);
690 /* hide it right away */
691 otherslicelabel.hide();
693 lease.label=otherslicelabel;
694 lease.hover ( function (e) {this.label.toFront();this.label.show();},
695 function (e) {this.label.hide();} );
700 $.plugin('Scheduler', Scheduler);