+/**
+ * Description: display a query result in a Google map
+ * Copyright (c) 2012-2013 UPMC Sorbonne Universite - INRIA
+ * License: GPLv3
+ */
+
+/* based on the leases.js code in PLE WWW interface for MyPLC by Thierry Parmentelat -- INRIA */
+
+/* XXX Those declarations should not be part of the js file... */
+
+/* decorations / headers */
+/* note: looks like the 'font' attr is not effective... */
+
+// vertical rules
+var attr_rules={'fill':"#888", 'stroke-dasharray':'- ', 'stroke-width':0.5};
+// set font-size separately in here rather than depend on the height
+var txt_timelabel = {"font": 'Times, "Trebuchet MS", Verdana, Arial, Helvetica, sans-serif',
+ stroke: "none", fill: "#008", 'font-size': 9};
+var txt_allnodes = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#404"};
+var txt_nodelabel = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#008"};
+
+var attr_timebutton = {'fill':'#bbf', 'stroke': '#338','stroke-width':1,
+ 'stroke-linecap':'round', 'stroke-linejoin':'miter', 'stroke-miterlimit':3};
+var attr_daymarker = {'stroke':'#000','stroke-width':2};
+var attr_half_daymarker = {'stroke':'#444','stroke-width':2};
+
+/* lease dimensions and colors */
+/* refrain from using gradient color, seems to not be animated properly */
+/* lease was originally free and is still free */
+var attr_lease_free_free={'fill':"#def", 'stroke-width':0.5, 'stroke-dasharray':''};
+/* lease was originally free and is now set for our usage */
+var attr_lease_free_mine={'fill':"green", 'stroke-width':1, 'stroke-dasharray':'-..'};
+/* was mine and is still mine */
+var attr_lease_mine_mine={'fill':"#beb", 'stroke-width':0.5, 'stroke-dasharray':''};
+/* was mine and is about to be released */
+var attr_lease_mine_free={'fill':"white", 'stroke-width':1, 'stroke-dasharray':'-..'};
+var attr_lease_other={'fill':"#f88"};
+
+/* other slices name */
+var txt_otherslice = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#444", "font-size": "12px"};
+
+(function($){
+
+ var Scheduler = Plugin.extend({
+
+ init: function(options, element)
+ {
+ this._super(options, element);
+
+ /* Member variables */
+ this.options = options;
+ this.canvas_id = 'leases_area-' + options.plugin_uuid;
+
+ this.query_uuid = options.query_uuid;
+ this.rows = null;
+ // XXX TODEL
+ //this.current_resources = Array();
+ //this.current_leases = Array();
+
+ this.myLeases = Array();
+ this.allLeases = Array();
+
+ this.listLeases = Array();
+
+ this.axisx = Array();
+ this.axisy = Array();
+ this.data = Array();
+ this.default_granularity = 1800; /* 30 min */
+ this.initial_timestamp = null;
+
+ /* This should be updated to be the ppcm of all granularities */
+ this.min_granularity = this.default_granularity;
+
+ // the data contains slice names, and lease_id, we need this to find our own leases (mine)
+ this.paper=null;
+
+ /* XXX Events */
+
+ /* XXX Keys */
+
+ /* Listening to queries */
+ this.listen_query(options.resource_query_uuid);
+ this.listen_query(options.lease_query_uuid);
+
+ /* XXX GUI setup and event binding */
+ jQuery("#datepicker").datetimepicker({
+ //Timezone wise selection option
+ //timeFormat: 'hh:mm tt z',
+ //showTimezone: true,
+
+ onSelect: function(value) {
+ //console.log(value);
+ //converting time to timestamp
+ currentDate= Math.round(Date.parse(value)/ 1000);
+ // TODO -- DONE
+ // convert value to timestamp --done
+ // Get jQuery("#timepicker").val(); - no need anymore
+ // convert timepicker into seconds - no need
+ // Add time to date - done
+ // pass the result to init_axisx - done
+ //console.log(currentDate);
+ s.clear();
+ s.init_axisx(currentDate);
+ s.draw();
+ // Do we need to populate the timeslots with existing leases?
+ // Look how to populate with initial_leases [we have to show the leases]
+
+ }
+ });
+ //console.log(s.nodelabels[1]);
+ // Do we need to populate the timeslots with existing leases?
+ // Look how to populate with initial_leases
+
+ // TODO -- DONE Note: autocomplete is not search box
+ // Implement a filtering functionality, on the name of the node
+ // http://jqueryui.com/autocomplete/
+ // pass s.nodelabels to autocomplete function
+ //jQuery("#search").autocomplete('s.nodelabel');
+ //console.log(s.nodelabel);
+
+ /*
+ * TODO
+ * During init, there are no resources
+ * So the list of nodes is empty
+ * The function triggered by the subscription to the resources query
+ * var RESULTS_RESOURCES = '/results/' + options.resource_query_uuid + '/changed';
+ * $.subscribe(RESULTS_RESOURCES, function(e, resources) { s.set_resources(resources); });
+ * Will have to update the list of nodes available through autocomplete (availableTags)
+ *
+ * Be inspired by QueryEditor plugin
+ *
+ * Resources informations in s.axisy ???
+ *
+ * Filter what has been selected in other plugins:
+ * QueryEditor
+ * QuickFilter
+ * AdvancedFilter
+ *
+ * Implement an action of filtering while typing
+ * filter what correspond to the user choice
+ *
+ */
+ $(function() {
+ var availableTags = ['omf','nitos','ple', s.nodelabel];
+ $( "#search" ).autocomplete({
+ source: availableTags
+ });
+ });
+
+ this.init_axisx('');
+ this.draw();
+
+ }, /* init */
+
+ /* Default settings */
+ default_options: {
+ leases_offset: 0,
+ leases_slots: 36,
+ leases_w: 180,
+ leases_granularity: 3600,
+
+ x_nodelabel: 200, /* space for the nodenames */
+ x_sep: 20, /* right space after the nodename - removed from the above */
+ y_header: 12, /* height for the (two) rows of timelabels */
+ y_sep: 10, /* space between nodes */
+ leases_w: 20, /* 1-grain leases attributes */
+ y_node: 15,
+ radius: 6,
+ anim_delay: 350,
+ checkboxes: false,
+ resource_query_uuid: null, /* resources */
+ lease_query_uuid: null, /* leases */
+ },
+
+ /* PLUGIN EVENTS */
+
+ /* GUI EVENTS */
+
+ /* GUI MANIPULATION */
+
+ /* TEMPLATES */
+
+ /* QUERY HANDLERS */
+
+ set_resources: function(resources)
+ {
+ //console.log(resources);
+ var scheduler = this;
+ jQuery.each(resources, function(i, resource) {
+ // ... add reservable ones to the x axis
+ if ((typeof resource.exclusive != 'undefined') && (resource.exclusive)) {
+ scheduler.axisy.push(Array(resource.urn, resource.resource_hrn, resource.type));
+ }
+ // ... if we do not have information about slivers (first update), update it
+ if (typeof resource.sliver != 'undefined') {
+ // XXX
+ }
+ });
+
+ this.draw(this.canvas_id);
+ }
+
+ this.set_leases = function(leases) {
+ this.initial_leases=leases;
+ this.draw(this.canvas_id);
+ }
+
+ this.update_resources = function(resources) {
+ //
+ }
+
+ this.update_leases = function(leases) {
+ //
+ }
+
+ /* RECORD HANDLERS */
+
+ /* INTERNAL FUNCTIONS */
+
+ /**
+ * @brief Return the number of time slots
+ */
+ nb_grains: function ()
+ {
+ return this.axisx.length;
+ },
+
+ /**
+ * @brief Returns whether there is a pending lease at this timestamp
+ */
+ find_lease: function(urn, timestamp)
+ {
+ var scheduler = this;
+ var result = null;
+
+ $.each(Array(scheduler.myLeases, scheduler.allLeases), function(i, array) {
+ $.each(array, function(i, lease) {
+ if (lease[0] == urn) {
+ if ((timestamp >= lease[1]) && (timestamp < (lease[1] + lease[2] * 1800))) {
+ result = lease;
+
+ return false;
+ }
+ }
+ });
+ if (result)
+ return false;
+ });
+ return result;
+ },
+
+ /**
+ * @brief Draw
+ */
+ draw: function()
+ {
+ var canvas_id = this.canvas_id;
+ var o = this.options;
+ var total_width = o.x_nodelabel + this.nb_grains() * this.options.leases_w;
+ var total_height = 2 * o.y_header /* the timelabels */
+ + 2 * o.y_sep /* extra space */
+ + o.y_node /* all-nodes & timebuttons row */
+ + (this.axisy.length)*(o.y_node+o.y_sep); /* the regular nodes and preceding space */
+
+ /* reuse for paper if exists with same size, or (re-)create otherwise */
+ var paper;
+ if (this.paper == null) {
+ paper = Raphael (canvas_id, total_width+o.x_sep, total_height);
+ } else if (this.paper.width==total_width && this.paper.height==total_height) {
+ paper=this.paper;
+ paper.clear();
+ } else {
+ $$("#"+canvas_id)[0].innerHTML="";
+ paper = Raphael (canvas_id, total_width+o.x_sep, total_height);
+ }
+ this.paper=paper;
+
+ /* the path for the triangle-shaped buttons */
+ this.timebutton_path = "M1,0L"+(this.options.leases_w-1)+",0L"+(this.options.leases_w/2)+","+o.y_header+"L1,0";
+
+ var axisx = this.axisx;
+ var axisy = this.axisy;
+
+ /* maintain the list of nodelabels for the 'all nodes' button */
+ this.nodelabels=[];
+
+
+ /* create the time slots legend */
+ var top = 0;
+ var left = o.x_nodelabel;
+
+ var daymarker_height= 2*o.y_header + 2*o.y_sep + (axisy.length+1)*(o.y_node+o.y_sep);
+ var daymarker_path="M0,0L0," + daymarker_height;
+
+ var half_daymarker_off= 2*o.y_header + o.y_sep;
+ var half_daymarker_path="M0," + half_daymarker_off + "L0," + daymarker_height;
+
+ var col=0;
+ for (var i=0, len=axisx.length; i < len; ++i) {
+ /* pick the printable part */
+ var timelabel=axisx[i][1];
+ var y = top + o.y_header;
+ if (col%2 == 0) y += o.y_header;
+ col +=1;
+ /* display time label */
+ var timelabel=paper.text(left,y,timelabel).attr(txt_timelabel).attr({"text-anchor":"middle"});
+ /* draw vertical line */
+ var path_spec="M"+left+" "+(y+o.y_header/2)+"L"+left+" "+this.total_height;
+ var rule=paper.path(path_spec).attr(attr_rules);
+ /* show a day marker when relevant */
+ var timestamp=parseInt(axisx[i][0]);
+ if ( (timestamp%(24*3600))==0) {
+ paper.path(daymarker_path).attr({'translation':left+','+top}).attr(attr_daymarker);
+ } else if ( (timestamp%(12*3600))==0) {
+ paper.path(half_daymarker_path).attr({'translation':left+','+top}).attr(attr_daymarker);
+ }
+ left += this.options.leases_w;
+ },
+
+ ////////// the row with the timeslot buttons (the one labeled 'All nodes')
+ this.granularity= this.min_granularity; // XXX axisx[1][0]-axisx[0][0];
+
+ // move two lines down
+ top += 2*o.y_header + 2*o.y_sep;
+ left=o.x_nodelabel;
+ // all nodes buttons
+ var allnodes = paper.text (o.x_nodelabel-o.x_sep,top+o.y_node/2,"All nodes").attr(txt_allnodes)
+ .attr ({"font-size":o.y_node, "text-anchor":"end","baseline":"bottom"});
+ allnodes.scheduler=this;
+ allnodes.click(allnodes_methods.click);
+
+ // timeslot buttons [it's the triangles above the slots]
+ for (var i=0, len=axisx.length; i < len; ++i) {
+ var timebutton=paper.path(this.timebutton_path).attr({'translation':left+','+top}).attr(attr_timebutton);
+ timebutton.from_time=axisx[i][0];
+ timebutton.scheduler=this;
+ timebutton.click(timebutton_methods.click);
+ left+=(this.options.leases_w);
+ }
+
+ //////// the body of the scheduler : loop on nodes
+ top += o.y_node + o.y_sep;
+ var data_index=0;
+ this.leases=[];
+ for (var i=0, len=axisy.length; i<len; ++i) {
+ var urn=axisy[i][0];
+ var nodename=axisy[i][1];
+ var type=axisy[i][2];
+ left=0;
+ /*
+ * MODIFIED font-size
+ var nodelabel = paper.text(o.x_nodelabel-x_sep,top+y_node/2,nodename).attr(txt_nodelabel)
+ .attr ({"font-size":y_node, "text-anchor":"end","baseline":"bottom"});
+ */
+ var nodelabel = paper.text(o.x_nodelabel-o.x_sep,top+o.y_node/3,nodename).attr(txt_nodelabel)
+ .attr ({"font-size":"12px", "text-anchor":"end","baseline":"bottom"});
+ //console.log(nodelabel);
+ nodelabel_methods.selected(nodelabel,1);
+ //nodelabel_methods.selected( this, ! this.selected );
+ nodelabel.click(nodelabel_methods.click); //click action works here
+ //timebutton.click(timebutton_methods.click);
+
+ // lease_methods.init_free(nodelabel.click, lease_methods.click_mine);
+ //lease_methods.init_free(nodelabel.lease);
+ this.nodelabels.push(nodelabel);
+
+ left += o.x_nodelabel;
+ var grain=0;
+ // data index contains the full array of leases
+ // not the same amount of grains per node
+
+ // NOTE: remembering the previous lease might help for long leases.
+ while (grain < this.nb_grains()) {
+
+ if (l = this.find_lease(urn, this.initial_timestamp + grain * 1800)) {
+ slicename = l.slice_id;
+ } else {
+ slicename = "";
+ }
+
+ //lease_id = this.data[data_index][0];
+ //slicename = this.data[data_index][1];
+ /* Duration should not be the lease duration, but the grain */
+ var duration = 1; // this.data[data_index][2];
+
+ var lease=paper.rect (left,top,this.options.leases_w*duration,o.y_node,o.radius);
+ // record scheduler in lease - early as we need this in init_other
+ lease.scheduler=this;
+ //lease.lease_id=lease_id;
+ lease.nodename=nodename;
+ lease.urn=urn;
+ lease.nodelabel=nodelabel;
+ if (slicename == "") {
+ lease.initial="free";
+ lease_methods.init_free(lease);
+ } else if (slicename == this.options.slicename) {
+ lease.initial="mine";
+ lease_methods.init_mine(lease);
+ } else {
+ lease.initial="other";
+ lease_methods.init_other(lease,slicename);
+ }
+ lease.from_time = axisx[grain%this.nb_grains()][0];
+ grain += duration;
+ lease.until_time = axisx[grain%this.nb_grains()][0];
+ // and vice versa
+ this.leases.push(lease);
+ // move on with the loop
+ left += this.options.leases_w*duration;
+ data_index +=1;
+ }
+ top += o.y_node + o.y_sep;
+ };
+ }, /* draw */
+
+ init_axisx: function(currentDate)
+ {
+ this.axisx = Array();
+
+ if(currentDate=="") {
+ // creating timestamp of the current time
+ currentDate = new Date().getTime() / 1000;
+ }
+ this.initial_timestamp = currentDate;
+ //console.log(currentDate);
+
+ // round it by granularity (becomes an Int)
+ var rounded = Math.round(currentDate/this.min_granularity)*this.min_granularity;
+ // Convert Int to Date
+ rounded = new Date(rounded*1000);
+ // get hours and minutes in a 24h format 00:00
+ var roundedHours=(rounded.getHours()<10?'0':'') + rounded.getHours();
+ var roundedMinutes=(rounded.getMinutes()<10?'0':'') + rounded.getMinutes();
+
+ //timeFrame.push(rounded);
+ this.axisx.push(Array(rounded, roundedHours+":"+roundedMinutes));
+
+ // Generate as man slots as we need
+ for(i=0; i<this.options.leases_slots;i++) {
+ rounded = this.min_granularity+(rounded.getTime()/1000);
+ rounded = new Date(rounded*1000);
+ roundedHours=(rounded.getHours()<10?'0':'') + rounded.getHours();
+ roundedMinutes=(rounded.getMinutes()<10?'0':'') + rounded.getMinutes();
+
+ //timeFrame.push(rounded);
+ this.axisx.push(Array(rounded, roundedHours+":"+roundedMinutes));
+ }
+ },
+
+ clear: function ()
+ {
+ for (var i=0, len=this.leases.length; i<len; ++i) {
+ var lease=this.leases[i];
+ if (lease.current != lease.initial) {
+ if (lease.initial == 'free') lease_methods.init_free(lease,lease_methods.click_mine);
+ else lease_methods.init_mine(lease,lease_methods.click_free);
+ }
+ }
+ },
+
+ // XXX Couldn't find how to inhererit from the raphael objects...
+
+ /* ---------------------------------------------------------------------
+ * The 'all nodes' button
+ */
+ allnodes_methods: {
+ click: function (event) {
+ var scheduler=this.scheduler;
+ /* decide what to do */
+ var unselected=0;
+ for (var i=0, len=scheduler.nodelabels.length; i<len; ++i)
+ if (! scheduler.nodelabels[i].selected) unselected++;
+ /* if at least one is not selected : select all */
+ var new_state = (unselected >0) ? 1 : 0;
+ for (var i=0, len=scheduler.nodelabels.length; i<len; ++i)
+ nodelabel_methods.selected(scheduler.nodelabels[i],new_state);
+ }
+ },
+
+ /* ---------------------------------------------------------------------
+ * The buttons for managing the whole timeslot
+ */
+ timebutton_methods: {
+
+ /* clicking */
+ click: function (event) {
+ var scheduler = this.scheduler;
+ var from_time = this.from_time;
+ var until_time = from_time + scheduler.granularity;
+ /* scan leases on selected nodes, store in two arrays */
+ var relevant_free=[], relevant_mine=[];
+ for (var i=0,len=scheduler.leases.length; i<len; ++i) {
+ var scan=scheduler.leases[i];
+ if ( ! scan.nodelabel.selected) continue;
+ // overlap ?
+ if (scan.from_time<=from_time && scan.until_time>=until_time) {
+ if (scan.current == "free") relevant_free.push(scan);
+ else if (scan.current == "mine") relevant_mine.push(scan);
+ }
+ }
+ // window.console.log("Found " + relevant_free.length + " free and " + relevant_mine.length + " mine");
+ /* decide what to do, whether book or release */
+ if (relevant_mine.length==0 && relevant_free.length==0) {
+ alert ("Nothing to do in this timeslot on the selected nodes");
+ return;
+ }
+ // if at least one is free, let's book
+ if (relevant_free.length > 0) {
+ for (var i=0, len=relevant_free.length; i<len; ++i) {
+ var lease=relevant_free[i];
+ lease_methods.init_mine(lease,lease_methods.click_free);
+ }
+ // otherwise we unselect
+ } else {
+ for (var i=0, len=relevant_mine.length; i<len; ++i) {
+ var lease=relevant_mine[i];
+ lease_methods.init_free(lease,lease_methods.click_mine);
+ }
+ }
+ } /* click */
+ },
+
+ /* ---------------------------------------------------------------------
+ * The nodelabel buttons
+ */
+ nodelabel_methods: {
+
+ // set selected mode and render visually
+ selected: function (nodelabel, flag) {
+ nodelabel.selected=flag;
+ nodelabel.attr({'font-weight': (flag ? 'bold' : 'normal')});
+ // TODO
+ //
+ // loop on axis x and select each timebutton
+ // for (var i=0, len=axisx.length; i < len; ++i)
+ // figure out how to use timebutton_methods.click();
+
+ },
+
+ // toggle selected
+ click: function (event) {
+ nodelabel_methods.selected( this, ! this.selected );
+ }
+ },
+
+
+ /* ---------------------------------------------------------------------
+ * The lease buttons
+ */
+ lease_methods: {
+
+ init_free: function (lease, unclick) {
+ var o = lease.scheduler.options;
+ lease.current="free";
+ // set color
+ lease.animate((lease.initial=="free") ? attr_lease_free_free : attr_lease_mine_free, o.anim_delay);
+ // keep track of the current status
+ // record action
+ lease.click (lease_methods.click_free);
+ if (unclick) lease.unclick(unclick);
+ },
+
+ // find out all the currently free leases that overlap this one
+ click_free: function (event) {
+ var scheduler = this.scheduler;
+ lease_methods.init_mine(this,lease_methods.click_free);
+ //publish
+ //this.from_time
+ //this.urn
+ //this.until_time
+ var urn = this.urn
+ var start_time=new Date(this.from_time).getTime() / 1000;
+ var end_time=new Date(this.until_time).getTime() / 1000;
+ var duration=(end_time-start_time)/1800; // XXX HARDCODED LEASE GRAIN
+
+ /* Add a new lease : XXX should be replaced by a dictionary */
+ // Do we have a lease with the same urn just before or just after ?
+ var removeIdBefore = null;
+ var removeIdAfter = null;
+ jQuery.each(scheduler.listLeases, function(i, lease) {
+ if (lease[0] == urn) {
+ if (lease[1] + lease[2] * 1800 == start_time) { // XXX HARDCODED LEASE GRAIN
+ // Merge with previous lease
+ removeIdBefore = i;
+ start_time = lease[1];
+ duration += lease[2];
+ }
+ if (lease[1] == end_time) {
+ // Merge with following lease
+ removeIdAfter = i;
+ duration += lease[2];
+ }
+ }
+ });
+ if (removeIdBefore != null) {
+ scheduler.listLeases.splice(removeIdBefore , 1);
+ if (removeIdAfter != null)
+ removeIdAfter -= 1;
+ }
+ if (removeIdAfter != null) {
+ scheduler.listLeases.splice(removeIdAfter , 1);
+ }
+
+ scheduler.listLeases.push([this.urn, start_time, duration]);
+
+ console.log(scheduler.listLeases);
+ //jQuery.publish('/update-set/' + scheduler.options.query_uuid, [scheduler.listLeases]);
+ jQuery.publish('/update-set/' + scheduler.options.lease_query_uuid, [scheduler.listLeases]);
+ },
+
+ init_mine: function (lease, unclick) {
+ var o = lease.scheduler.options;
+ lease.current="mine";
+ lease.animate((lease.initial=="mine") ? attr_lease_mine_mine : attr_lease_free_mine,o.anim_delay);
+ lease.click (lease_methods.click_mine);
+ if (unclick) lease.unclick(unclick);
+ },
+
+ /* TODO: remove selected lease from array listLeases and publish change */
+ click_mine: function (event) {
+ var scheduler = this.scheduler;
+ // this lease was originally free but is now marked for booking
+ // we free just this lease
+ //console.log('this is mine');
+ lease_methods.init_free(this, lease_methods.click_mine);
+ },
+
+
+ init_other: function (lease, slicename) {
+ lease.animate (attr_lease_other,anim_delay);
+ /* a text obj to display the name of the slice that owns that lease */
+ var otherslicelabel = lease.scheduler.paper.text (lease.attr("x")+lease.attr("width")/2,
+ // xxx
+ lease.attr("y")+lease.attr("height")/2,slicename).attr(txt_otherslice);
+ /* hide it right away */
+ otherslicelabel.hide();
+ /* record it */
+ lease.label=otherslicelabel;
+ lease.hover ( function (e) {this.label.toFront();this.label.show();},
+ function (e) {this.label.hide();} );
+ }
+ }
+
+ });
+
+ $.plugin('Scheduler', Scheduler);
+
+})(jQuery);