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git.proxmox.com Git - ceph.git/blob - ceph/src/pybind/mgr/dashboard/static/AdminLTE-2.3.7/plugins/flot/jquery.flot.time.js
1 /* Pretty handling of time axes.
3 Copyright (c) 2007-2013 IOLA and Ole Laursen.
4 Licensed under the MIT license.
6 Set axis.mode to "time" to enable. See the section "Time series data" in
15 timezone
: null, // "browser" for local to the client or timezone for timezone-js
16 timeformat
: null, // format string to use
17 twelveHourClock
: false, // 12 or 24 time in time mode
18 monthNames
: null // list of names of months
22 // round to nearby lower multiple of base
24 function floorInBase(n
, base
) {
25 return base
* Math
.floor(n
/ base
);
28 // Returns a string with the date d formatted according to fmt.
29 // A subset of the Open Group's strftime format is supported.
31 function formatDate(d
, fmt
, monthNames
, dayNames
) {
33 if (typeof d
.strftime
== "function") {
34 return d
.strftime(fmt
);
37 var leftPad = function(n
, pad
) {
39 pad
= "" + (pad
== null ? "0" : pad
);
40 return n
.length
== 1 ? pad
+ n
: n
;
45 var hours
= d
.getHours();
46 var isAM
= hours
< 12;
48 if (monthNames
== null) {
49 monthNames
= ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
52 if (dayNames
== null) {
53 dayNames
= ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];
60 } else if (hours
== 0) {
66 for (var i
= 0; i
< fmt
.length
; ++i
) {
68 var c
= fmt
.charAt(i
);
72 case 'a': c
= "" + dayNames
[d
.getDay()]; break;
73 case 'b': c
= "" + monthNames
[d
.getMonth()]; break;
74 case 'd': c
= leftPad(d
.getDate()); break;
75 case 'e': c
= leftPad(d
.getDate(), " "); break;
76 case 'h': // For back-compat with 0.7; remove in 1.0
77 case 'H': c
= leftPad(hours
); break;
78 case 'I': c
= leftPad(hours12
); break;
79 case 'l': c
= leftPad(hours12
, " "); break;
80 case 'm': c
= leftPad(d
.getMonth() + 1); break;
81 case 'M': c
= leftPad(d
.getMinutes()); break;
82 // quarters not in Open Group's strftime specification
84 c
= "" + (Math
.floor(d
.getMonth() / 3) + 1); break;
85 case 'S': c
= leftPad(d
.getSeconds()); break;
86 case 'y': c
= leftPad(d
.getFullYear() % 100); break;
87 case 'Y': c
= "" + d
.getFullYear(); break;
88 case 'p': c
= (isAM
) ? ("" + "am") : ("" + "pm"); break;
89 case 'P': c
= (isAM
) ? ("" + "AM") : ("" + "PM"); break;
90 case 'w': c
= "" + d
.getDay(); break;
106 // To have a consistent view of time-based data independent of which time
107 // zone the client happens to be in we need a date-like object independent
108 // of time zones. This is done through a wrapper that only calls the UTC
109 // versions of the accessor methods.
111 function makeUtcWrapper(d
) {
113 function addProxyMethod(sourceObj
, sourceMethod
, targetObj
, targetMethod
) {
114 sourceObj
[sourceMethod
] = function() {
115 return targetObj
[targetMethod
].apply(targetObj
, arguments
);
122 // support strftime, if found
124 if (d
.strftime
!= undefined) {
125 addProxyMethod(utc
, "strftime", d
, "strftime");
128 addProxyMethod(utc
, "getTime", d
, "getTime");
129 addProxyMethod(utc
, "setTime", d
, "setTime");
131 var props
= ["Date", "Day", "FullYear", "Hours", "Milliseconds", "Minutes", "Month", "Seconds"];
133 for (var p
= 0; p
< props
.length
; p
++) {
134 addProxyMethod(utc
, "get" + props
[p
], d
, "getUTC" + props
[p
]);
135 addProxyMethod(utc
, "set" + props
[p
], d
, "setUTC" + props
[p
]);
140 // select time zone strategy. This returns a date-like object tied to the
143 function dateGenerator(ts
, opts
) {
144 if (opts
.timezone
== "browser") {
146 } else if (!opts
.timezone
|| opts
.timezone
== "utc") {
147 return makeUtcWrapper(new Date(ts
));
148 } else if (typeof timezoneJS
!= "undefined" && typeof timezoneJS
.Date
!= "undefined") {
149 var d
= new timezoneJS
.Date();
150 // timezone-js is fickle, so be sure to set the time zone before
152 d
.setTimezone(opts
.timezone
);
156 return makeUtcWrapper(new Date(ts
));
160 // map of app. size of time units in milliseconds
165 "hour": 60 * 60 * 1000,
166 "day": 24 * 60 * 60 * 1000,
167 "month": 30 * 24 * 60 * 60 * 1000,
168 "quarter": 3 * 30 * 24 * 60 * 60 * 1000,
169 "year": 365.2425 * 24 * 60 * 60 * 1000
172 // the allowed tick sizes, after 1 year we use
173 // an integer algorithm
176 [1, "second"], [2, "second"], [5, "second"], [10, "second"],
178 [1, "minute"], [2, "minute"], [5, "minute"], [10, "minute"],
180 [1, "hour"], [2, "hour"], [4, "hour"],
181 [8, "hour"], [12, "hour"],
182 [1, "day"], [2, "day"], [3, "day"],
183 [0.25, "month"], [0.5, "month"], [1, "month"],
187 // we don't know which variant(s) we'll need yet, but generating both is
190 var specMonths
= baseSpec
.concat([[3, "month"], [6, "month"],
192 var specQuarters
= baseSpec
.concat([[1, "quarter"], [2, "quarter"],
195 function init(plot
) {
196 plot
.hooks
.processOptions
.push(function (plot
, options
) {
197 $.each(plot
.getAxes(), function(axisName
, axis
) {
199 var opts
= axis
.options
;
201 if (opts
.mode
== "time") {
202 axis
.tickGenerator = function(axis
) {
205 var d
= dateGenerator(axis
.min
, opts
);
208 // make quarter use a possibility if quarters are
209 // mentioned in either of these options
211 var spec
= (opts
.tickSize
&& opts
.tickSize
[1] ===
213 (opts
.minTickSize
&& opts
.minTickSize
[1] ===
214 "quarter") ? specQuarters
: specMonths
;
216 if (opts
.minTickSize
!= null) {
217 if (typeof opts
.tickSize
== "number") {
218 minSize
= opts
.tickSize
;
220 minSize
= opts
.minTickSize
[0] * timeUnitSize
[opts
.minTickSize
[1]];
224 for (var i
= 0; i
< spec
.length
- 1; ++i
) {
225 if (axis
.delta
< (spec
[i
][0] * timeUnitSize
[spec
[i
][1]]
226 + spec
[i
+ 1][0] * timeUnitSize
[spec
[i
+ 1][1]]) / 2
227 && spec
[i
][0] * timeUnitSize
[spec
[i
][1]] >= minSize
) {
232 var size
= spec
[i
][0];
233 var unit
= spec
[i
][1];
235 // special-case the possibility of several years
237 if (unit
== "year") {
239 // if given a minTickSize in years, just use it,
240 // ensuring that it's an integer
242 if (opts
.minTickSize
!= null && opts
.minTickSize
[1] == "year") {
243 size
= Math
.floor(opts
.minTickSize
[0]);
246 var magn
= Math
.pow(10, Math
.floor(Math
.log(axis
.delta
/ timeUnitSize
.year
) / Math
.LN10
));
247 var norm
= (axis
.delta
/ timeUnitSize
.year
) / magn
;
251 } else if (norm
< 3) {
253 } else if (norm
< 7.5) {
262 // minimum size for years is 1
269 axis
.tickSize
= opts
.tickSize
|| [size
, unit
];
270 var tickSize
= axis
.tickSize
[0];
271 unit
= axis
.tickSize
[1];
273 var step
= tickSize
* timeUnitSize
[unit
];
275 if (unit
== "second") {
276 d
.setSeconds(floorInBase(d
.getSeconds(), tickSize
));
277 } else if (unit
== "minute") {
278 d
.setMinutes(floorInBase(d
.getMinutes(), tickSize
));
279 } else if (unit
== "hour") {
280 d
.setHours(floorInBase(d
.getHours(), tickSize
));
281 } else if (unit
== "month") {
282 d
.setMonth(floorInBase(d
.getMonth(), tickSize
));
283 } else if (unit
== "quarter") {
284 d
.setMonth(3 * floorInBase(d
.getMonth() / 3,
286 } else if (unit
== "year") {
287 d
.setFullYear(floorInBase(d
.getFullYear(), tickSize
));
290 // reset smaller components
292 d
.setMilliseconds(0);
294 if (step
>= timeUnitSize
.minute
) {
297 if (step
>= timeUnitSize
.hour
) {
300 if (step
>= timeUnitSize
.day
) {
303 if (step
>= timeUnitSize
.day
* 4) {
306 if (step
>= timeUnitSize
.month
* 2) {
307 d
.setMonth(floorInBase(d
.getMonth(), 3));
309 if (step
>= timeUnitSize
.quarter
* 2) {
310 d
.setMonth(floorInBase(d
.getMonth(), 6));
312 if (step
>= timeUnitSize
.year
) {
326 if (unit
== "month" || unit
== "quarter") {
329 // a bit complicated - we'll divide the
330 // month/quarter up but we need to take
331 // care of fractions so we don't end up in
332 // the middle of a day
335 var start
= d
.getTime();
336 d
.setMonth(d
.getMonth() +
337 (unit
== "quarter" ? 3 : 1));
338 var end
= d
.getTime();
339 d
.setTime(v
+ carry
* timeUnitSize
.hour
+ (end
- start
) * tickSize
);
340 carry
= d
.getHours();
343 d
.setMonth(d
.getMonth() +
344 tickSize
* (unit
== "quarter" ? 3 : 1));
346 } else if (unit
== "year") {
347 d
.setFullYear(d
.getFullYear() + tickSize
);
351 } while (v
< axis
.max
&& v
!= prev
);
356 axis
.tickFormatter = function (v
, axis
) {
358 var d
= dateGenerator(v
, axis
.options
);
360 // first check global format
362 if (opts
.timeformat
!= null) {
363 return formatDate(d
, opts
.timeformat
, opts
.monthNames
, opts
.dayNames
);
366 // possibly use quarters if quarters are mentioned in
367 // any of these places
369 var useQuarters
= (axis
.options
.tickSize
&&
370 axis
.options
.tickSize
[1] == "quarter") ||
371 (axis
.options
.minTickSize
&&
372 axis
.options
.minTickSize
[1] == "quarter");
374 var t
= axis
.tickSize
[0] * timeUnitSize
[axis
.tickSize
[1]];
375 var span
= axis
.max
- axis
.min
;
376 var suffix
= (opts
.twelveHourClock
) ? " %p" : "";
377 var hourCode
= (opts
.twelveHourClock
) ? "%I" : "%H";
380 if (t
< timeUnitSize
.minute
) {
381 fmt
= hourCode
+ ":%M:%S" + suffix
;
382 } else if (t
< timeUnitSize
.day
) {
383 if (span
< 2 * timeUnitSize
.day
) {
384 fmt
= hourCode
+ ":%M" + suffix
;
386 fmt
= "%b %d " + hourCode
+ ":%M" + suffix
;
388 } else if (t
< timeUnitSize
.month
) {
390 } else if ((useQuarters
&& t
< timeUnitSize
.quarter
) ||
391 (!useQuarters
&& t
< timeUnitSize
.year
)) {
392 if (span
< timeUnitSize
.year
) {
397 } else if (useQuarters
&& t
< timeUnitSize
.year
) {
398 if (span
< timeUnitSize
.year
) {
407 var rt
= formatDate(d
, fmt
, opts
.monthNames
, opts
.dayNames
);
416 $.plot
.plugins
.push({
423 // Time-axis support used to be in Flot core, which exposed the
424 // formatDate function on the plot object. Various plugins depend
425 // on the function, so we need to re-expose it here.
427 $.plot
.formatDate
= formatDate
;