1 /* need to put some place else in CSS ? */
3 // space for the nodenames
5 // right space after the nodename - removed from the above
7 // height for the (two) rows of timelabels
12 // 1-grain leases attributes
19 /* decorations / headers */
22 var attr_rules={'fill':"#888", 'stroke-dasharray':'- ', 'stroke-width':0.5};
23 var txt_timelabel = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#008"};
24 var txt_allnodes = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#404"};
25 var txt_nodelabel = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#008"};
27 var attr_timebutton = {'fill':'#bbf', 'stroke': '#338','stroke-width':2,
28 'stroke-linecap':'round', 'stroke-linejoin':'miter', 'stroke-miterlimit':3};
29 // keep consistent with sizes above - need for something nicer
30 var timebutton_path = "M1,0L23,0L12,13L1,0";
32 /* lease dimensions and colors */
33 /* refrain from using gradient color, seems to not be animated properly */
34 /* lease was originally free and is still free */
35 var attr_lease_free_free={'fill':"#def", 'stroke-width':0.5, 'stroke-dasharray':''};
36 /* lease was originally free and is now set for our usage */
37 var attr_lease_free_mine={'fill':"green", 'stroke-width':1, 'stroke-dasharray':'-..'};
38 /* was mine and is still mine */
39 var attr_lease_mine_mine={'fill':"#beb", 'stroke-width':0.5, 'stroke-dasharray':''};
40 /* was mine and is about to be released */
41 var attr_lease_mine_free={'fill':"white", 'stroke-width':1, 'stroke-dasharray':'-..'};
42 var attr_lease_other={'fill':"#f88"};
44 /* other slices name */
45 var txt_otherslice = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#444",
48 ////////////////////////////////////////////////////////////
49 // the scheduler object
50 function Scheduler (sliceid, slicename, axisx, axisy, data) {
52 // the data contains slice names, and lease_id, we need this to find our own leases (mine)
54 this.slicename=slicename;
59 // utilities to keep track of all the leases
61 this.append_lease = function (lease) {
62 this.leases.push(lease);
65 // how many time slots
66 this.nb_grains = function () { return axisx.length;}
68 this.init = function (canvas_id) {
69 this.total_width = x_nodelabel + this.nb_grains()*x_grain;
70 this.total_height = 2*y_header /* the timelabels */
71 + 2*y_sep /* extra space */
72 + y_node /* all-nodes & timebuttons row */
73 + (this.axisy.length)*(y_node+y_sep); /* the regular nodes and preceding space */
74 paper = Raphael (canvas_id, this.total_width+x_sep, this.total_height);
76 // maintain the list of nodelabels for the 'all nodes' button
79 ////////// create the time slots legend
84 for (var i=0, len=axisx.length; i < len; ++i) {
85 // pick the printable part
86 timelabel=axisx[i][1];
88 if (col%2 == 0) y += y_header;
91 var timelabel=paper.text(left,y,timelabel).attr(txt_timelabel)
92 .attr({"font-size":y_header, "text-anchor":"middle"});
94 var path_spec="M"+left+" "+(y+y_header/2)+"L"+left+" "+this.total_height;
95 var rule=paper.path(path_spec).attr(attr_rules);
99 this.granularity=axisx[1][0]-axisx[0][0];
101 ////////// the row with the timeslot buttons
102 // move two lines down
103 top += 2*y_header+2*y_sep;
106 var allnodes = paper.text (x_nodelabel-x_sep,top+y_node/2,"All nodes").attr(txt_allnodes)
107 .attr ({"font-size":y_node, "text-anchor":"end","baseline":"bottom"});
108 allnodes.scheduler=this;
109 allnodes.click(allnodes_methods.click);
111 for (var i=0, len=axisx.length; i < len; ++i) {
112 var timebutton=paper.path(timebutton_path).attr({'translation':left+','+top}).attr(attr_timebutton);
113 timebutton.from_time=axisx[i][0];
114 timebutton.scheduler=this;
115 timebutton.click(timebutton_methods.click);
119 //////// the body of the scheduler : loop on nodes
122 for (var i=0, len=axisy.length; i<len; ++i) {
125 var nodelabel = paper.text(x_nodelabel-x_sep,top+y_node/2,nodename).attr(txt_nodelabel)
126 .attr ({"font-size":y_node, "text-anchor":"end","baseline":"bottom"});
127 nodelabel_methods.selected(nodelabel,1);
128 nodelabel.click(nodelabel_methods.click);
129 this.nodelabels.push(nodelabel);
133 while (grain < this.nb_grains()) {
134 lease_id=data[data_index][0];
135 slicename=data[data_index][1];
136 duration=data[data_index][2];
137 var lease=paper.rect (left,top,x_grain*duration,y_node,radius);
138 lease.lease_id=lease_id;
139 lease.nodename=nodename;
140 lease.nodelabel=nodelabel;
141 if (slicename == "") {
142 lease.initial="free";
143 lease_methods.init_free(lease);
144 } else if (slicename == this.slicename) {
145 lease.initial="mine";
146 lease_methods.init_mine(lease);
148 lease_initial="other";
149 lease_methods.init_other(lease,slicename);
151 lease.from_time = axisx[grain%this.nb_grains()][0];
153 lease.until_time = axisx[grain%this.nb_grains()][0];
154 // record scheduler in lease
155 lease.scheduler=this;
157 this.append_lease(lease);
158 // move on with the loop
159 left += x_grain*duration;
162 top += y_node + y_sep;
166 this.submit = function () {
167 document.body.style.cursor = "wait";
168 var actions=new Array();
169 for (var i=0, len=this.leases.length; i<len; ++i) {
170 var lease=this.leases[i];
171 if (lease.current != lease.initial) {
172 var from_time=lease.from_time;
173 var until_time=lease.until_time;
174 /* scan the leases just after this one and merge if appropriate */
176 while (j<len && lease_methods.compare (lease, until_time, this.leases[j])) {
177 // window.console.log('merged index='+j);
178 until_time=this.leases[j].until_time;
181 if (lease.current!='free') { // lease to add
182 actions.push(new Array('add-leases',
183 new Array(lease.nodename),
187 } else { // lease to delete
188 actions.push(new Array ('delete-leases',
193 sliceid=this.sliceid;
194 // once we're done with the side-effect performed in actions.php, we need to refresh this view
195 redirect = function (sliceid) {
196 window.location = '/db/slices/slice.php?id=' + sliceid + '&show_details=0&show_nodes=1&show_nodes_resa=1';
198 // Ajax.Request comes with prototype
199 var ajax=new Ajax.Request('/planetlab/common/actions.php',
201 parameters:{'action':'manage-leases',
202 'actions':actions.toJSON()},
203 onSuccess: function(transport) {
204 var response = transport.responseText || "no response text";
205 document.body.style.cursor = "default";
206 alert("Server answered:\n\n" + response + "\n\nPress OK to refresh page");
209 onFailure: function(){
210 document.body.style.cursor = "default";
211 alert("Could not reach server, sorry...\n\nPress OK to refresh page");
212 // not too sure what to do here ...
218 this.clear = function () {
219 for (var i=0, len=this.leases.length; i<len; ++i) {
220 var lease=this.leases[i];
221 if (lease.current != lease.initial) {
222 if (lease.initial == 'free') lease_methods.init_free(lease,lease_methods.click_mine);
223 else lease_methods.init_mine(lease,lease_methods.click_free);
230 //////////////////////////////////////// couldn't find how to inhererit from the raphael objects...
232 //////////////////// the 'all nodes' button
233 var allnodes_methods = {
234 click: function (event) {
235 var scheduler=this.scheduler;
236 /* decide what to do */
238 for (var i=0, len=scheduler.nodelabels.length; i<len; ++i)
239 if (! scheduler.nodelabels[i].selected) unselected++;
240 /* if at least one is not selected : select all */
241 var new_state = (unselected >0) ? 1 : 0;
242 for (var i=0, len=scheduler.nodelabels.length; i<len; ++i)
243 nodelabel_methods.selected(scheduler.nodelabels[i],new_state);
247 //////////////////// the buttons for managing the whole timeslot
248 var timebutton_methods = {
251 click: function (event) {
252 var scheduler = this.scheduler;
253 var from_time = this.from_time;
254 var until_time = from_time + scheduler.granularity;
255 /* scan leases on selected nodes, store in two arrays */
256 var relevant_free=[], relevant_mine=[];
257 for (var i=0,len=scheduler.leases.length; i<len; ++i) {
258 var scan=scheduler.leases[i];
259 if ( ! scan.nodelabel.selected) continue;
261 if (scan.from_time<=from_time && scan.until_time>=until_time) {
262 if (scan.current == "free") relevant_free.push(scan);
263 else if (scan.current == "mine") relevant_mine.push(scan);
266 // window.console.log("Found " + relevant_free.length + " free and " + relevant_mine.length + " mine");
267 /* decide what to do, whether book or release */
268 if (relevant_mine.length==0 && relevant_free.length==0) {
269 alert ("Nothing to do in this timeslot on the selected nodes");
272 // if at least one is free, let's book
273 if (relevant_free.length > 0) {
274 for (var i=0, len=relevant_free.length; i<len; ++i) {
275 var lease=relevant_free[i];
276 lease_methods.init_mine(lease,lease_methods.click_free);
278 // otherwise we unselect
280 for (var i=0, len=relevant_mine.length; i<len; ++i) {
281 var lease=relevant_mine[i];
282 lease_methods.init_free(lease,lease_methods.click_mine);
288 //////////////////// the nodelabel buttons
289 var nodelabel_methods = {
291 // set selected mode and render visually
292 selected: function (nodelabel, flag) {
293 nodelabel.selected=flag;
294 nodelabel.attr({'font-weight': (flag ? 'bold' : 'normal')});
298 click: function (event) {
299 nodelabel_methods.selected( this, ! this.selected );
304 //////////////////// the lease buttons
305 var lease_methods = {
307 /* in the process of merging leases before posting to the API */
308 compare: function (lease, until_time, next_lease) {
309 return (next_lease['nodename'] == lease['nodename'] &&
310 next_lease['from_time'] == until_time &&
311 next_lease['initial'] == lease['initial'] &&
312 next_lease['current'] == lease['current']);
315 init_free: function (lease, unclick) {
316 lease.current="free";
318 lease.animate((lease.initial=="free") ? attr_lease_free_free : attr_lease_mine_free,anim_delay);
319 // keep track of the current status
321 lease.click (lease_methods.click_free);
322 if (unclick) lease.unclick(unclick);
325 // find out all the currently free leases that overlap this one
326 click_free: function (event) {
327 var scheduler = this.scheduler;
328 lease_methods.init_mine(this,lease_methods.click_free);
331 init_mine: function (lease, unclick) {
332 lease.current="mine";
333 lease.animate((lease.initial=="mine") ? attr_lease_mine_mine : attr_lease_free_mine,anim_delay);
334 lease.click (lease_methods.click_mine);
335 if (unclick) lease.unclick(unclick);
338 click_mine: function (event) {
339 var scheduler = this.scheduler;
340 // this lease was originally free but is now marked for booking
341 // we free just this lease
342 lease_methods.init_free(this, lease_methods.click_mine);
346 init_other: function (lease, slicename) {
347 lease.animate (attr_lease_other,anim_delay);
348 /* a text obj to display the name of the slice that owns that lease */
349 var otherslicelabel = paper.text (lease.attr("x")+lease.attr("width")/2,
351 lease.attr("y")+lease.attr("height")/2,slicename).attr(txt_otherslice);
352 /* hide it right away */
353 otherslicelabel.hide();
355 lease.label=otherslicelabel;
356 lease.hover ( function (e) { this.label.toFront(); this.label.show(); },
357 function (e) { this.label.hide(); } );
361 function init_scheduler () {
363 var data = [], axisx = [], axisy = [];
364 var table = $$("table#leases_data")[0];
365 // no reservable nodes - no data
366 if ( ! table) return;
368 table.getElementsBySelector("tbody>tr>th").each(function (cell) {
369 axisy.push(getInnerText(cell));
371 // the timeslot labels
372 table.getElementsBySelector("thead>tr>th").each(function (cell) {
373 /* [0]: timestamp -- [1]: displayable*/
374 axisx.push(getInnerText(cell).split("&"));
376 // leases - expect colspan to describe length in grains
377 // the text contents is expected to be lease_id & slicename
378 table.getElementsBySelector("tbody>tr>td").each(function (cell) {
380 slice_attributes=getInnerText(cell).split('&');
381 // booked leases come with lease id and slice name
382 if (slice_attributes.length == 2) {
383 // leases is booked : slice_id, slice_name, duration in grains
384 cell_data=new Array (slice_attributes[0], slice_attributes[1], cell.colSpan);
386 cell_data = new Array ('','',cell.colSpan);
388 data.push(cell_data);
390 // sliceid & slicename : the upper-left cell
391 var slice_attributes = getInnerText(table.getElementsBySelector("thead>tr>td")[0]).split('&');
392 var sliceid=slice_attributes[0];
393 var slicename=slice_attributes[1];
394 var scheduler = new Scheduler (sliceid,slicename, axisx, axisy, data);
396 // leases_area is a <div> created by slice.php as a placeholder
397 scheduler.init ("leases_area");
399 var submit=$$("button#leases_submit")[0];
400 submit.onclick = function () { scheduler.submit(); }
401 var clear=$$("button#leases_clear")[0];
402 clear.onclick = function () { scheduler.clear(); }
406 Event.observe(window, 'load', init_scheduler);