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Merged DEV/5.2.N_SUPPORTTOOLS to 5.2.N (5.2.1)

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132731-132912 kroast: REPO-491 - Support Tools Productisation
      REPO-1560	Support tools part of the Administration Console code base
      REPO-1212	Merge in current Support Tools refactoring
   	REPO-519	   Improve CSS
   	REPO-1075	Support Tools JMX Screen should include button to download a JMX Dump
   	REPO-1076   Message should be added to the Active Sessions page about the limits of logging out a repo user
      Code cleanup
      Remove old _es translations (before full L10N pass)
      Removal of code duplications and includes
      More refactoring of pages, removal of duplicated code, removal of poor quality code and practices.
      Remove more l10n files that will be replaced.
      REPO-502    Localisation and language - pt1
      REPO-502    Localisation and language - pt2
      REPO-502    Localisation and language - pt3
      REPO-502    Localisation and language - pt4
      REPO-506    Unit and integration testing

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/DEV/5.2.N/root@132913 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Kevin Roast
2016-11-18 17:08:24 +00:00
parent e67fa98014
commit d6c5adfa7c
2 changed files with 951 additions and 0 deletions
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/* FileSaver.js
* A saveAs() FileSaver implementation.
* 2013-10-21
*
* By Eli Grey, http://eligrey.com
* License: X11/MIT
*
* MIT/X11 license
* ---------------
*
* Copyright © 2011 [Eli Grey][1].
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*
* [1]: http://eligrey.com
*
*
*
*
*/
/*! @source http://purl.eligrey.com/github/FileSaver.js/blob/master/FileSaver.js */
var saveAs = saveAs
|| (typeof navigator !== 'undefined' && navigator.msSaveOrOpenBlob && navigator.msSaveOrOpenBlob.bind(navigator))
|| (function(view) {
"use strict";
var
doc = view.document
// only get URL when necessary in case BlobBuilder.js hasn't overridden it yet
, get_URL = function() {
return view.URL || view.webkitURL || view;
}
, URL = view.URL || view.webkitURL || view
, save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a")
, can_use_save_link = !view.externalHost && "download" in save_link
, click = function(node) {
var event = doc.createEvent("MouseEvents");
event.initMouseEvent(
"click", true, false, view, 0, 0, 0, 0, 0
, false, false, false, false, 0, null
);
node.dispatchEvent(event);
}
, webkit_req_fs = view.webkitRequestFileSystem
, req_fs = view.requestFileSystem || webkit_req_fs || view.mozRequestFileSystem
, throw_outside = function (ex) {
(view.setImmediate || view.setTimeout)(function() {
throw ex;
}, 0);
}
, force_saveable_type = "application/octet-stream"
, fs_min_size = 0
, deletion_queue = []
, process_deletion_queue = function() {
var i = deletion_queue.length;
while (i--) {
var file = deletion_queue[i];
if (typeof file === "string") { // file is an object URL
URL.revokeObjectURL(file);
} else { // file is a File
file.remove();
}
}
deletion_queue.length = 0; // clear queue
}
, dispatch = function(filesaver, event_types, event) {
event_types = [].concat(event_types);
var i = event_types.length;
while (i--) {
var listener = filesaver["on" + event_types[i]];
if (typeof listener === "function") {
try {
listener.call(filesaver, event || filesaver);
} catch (ex) {
throw_outside(ex);
}
}
}
}
, FileSaver = function(blob, name) {
// First try a.download, then web filesystem, then object URLs
var
filesaver = this
, type = blob.type
, blob_changed = false
, object_url
, target_view
, get_object_url = function() {
var object_url = get_URL().createObjectURL(blob);
deletion_queue.push(object_url);
return object_url;
}
, dispatch_all = function() {
dispatch(filesaver, "writestart progress write writeend".split(" "));
}
// on any filesys errors revert to saving with object URLs
, fs_error = function() {
// don't create more object URLs than needed
if (blob_changed || !object_url) {
object_url = get_object_url(blob);
}
if (target_view) {
target_view.location.href = object_url;
} else {
window.open(object_url, "_blank");
}
filesaver.readyState = filesaver.DONE;
dispatch_all();
}
, abortable = function(func) {
return function() {
if (filesaver.readyState !== filesaver.DONE) {
return func.apply(this, arguments);
}
};
}
, create_if_not_found = {create: true, exclusive: false}
, slice
;
filesaver.readyState = filesaver.INIT;
if (!name) {
name = "download";
}
if (can_use_save_link) {
object_url = get_object_url(blob);
// FF for Android has a nasty garbage collection mechanism
// that turns all objects that are not pure javascript into 'deadObject'
// this means `doc` and `save_link` are unusable and need to be recreated
// `view` is usable though:
doc = view.document;
save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a");
save_link.href = object_url;
save_link.download = name;
var event = doc.createEvent("MouseEvents");
event.initMouseEvent(
"click", true, false, view, 0, 0, 0, 0, 0
, false, false, false, false, 0, null
);
save_link.dispatchEvent(event);
filesaver.readyState = filesaver.DONE;
dispatch_all();
return;
}
// Object and web filesystem URLs have a problem saving in Google Chrome when
// viewed in a tab, so I force save with application/octet-stream
// http://code.google.com/p/chromium/issues/detail?id=91158
if (view.chrome && type && type !== force_saveable_type) {
slice = blob.slice || blob.webkitSlice;
blob = slice.call(blob, 0, blob.size, force_saveable_type);
blob_changed = true;
}
// Since I can't be sure that the guessed media type will trigger a download
// in WebKit, I append .download to the filename.
// https://bugs.webkit.org/show_bug.cgi?id=65440
if (webkit_req_fs && name !== "download") {
name += ".download";
}
if (type === force_saveable_type || webkit_req_fs) {
target_view = view;
}
if (!req_fs) {
fs_error();
return;
}
fs_min_size += blob.size;
req_fs(view.TEMPORARY, fs_min_size, abortable(function(fs) {
fs.root.getDirectory("saved", create_if_not_found, abortable(function(dir) {
var save = function() {
dir.getFile(name, create_if_not_found, abortable(function(file) {
file.createWriter(abortable(function(writer) {
writer.onwriteend = function(event) {
target_view.location.href = file.toURL();
deletion_queue.push(file);
filesaver.readyState = filesaver.DONE;
dispatch(filesaver, "writeend", event);
};
writer.onerror = function() {
var error = writer.error;
if (error.code !== error.ABORT_ERR) {
fs_error();
}
};
"writestart progress write abort".split(" ").forEach(function(event) {
writer["on" + event] = filesaver["on" + event];
});
writer.write(blob);
filesaver.abort = function() {
writer.abort();
filesaver.readyState = filesaver.DONE;
};
filesaver.readyState = filesaver.WRITING;
}), fs_error);
}), fs_error);
};
dir.getFile(name, {create: false}, abortable(function(file) {
// delete file if it already exists
file.remove();
save();
}), abortable(function(ex) {
if (ex.code === ex.NOT_FOUND_ERR) {
save();
} else {
fs_error();
}
}));
}), fs_error);
}), fs_error);
}
, FS_proto = FileSaver.prototype
, saveAs = function(blob, name) {
return new FileSaver(blob, name);
}
;
FS_proto.abort = function() {
var filesaver = this;
filesaver.readyState = filesaver.DONE;
dispatch(filesaver, "abort");
};
FS_proto.readyState = FS_proto.INIT = 0;
FS_proto.WRITING = 1;
FS_proto.DONE = 2;
FS_proto.error =
FS_proto.onwritestart =
FS_proto.onprogress =
FS_proto.onwrite =
FS_proto.onabort =
FS_proto.onerror =
FS_proto.onwriteend =
null;
view.addEventListener("unload", process_deletion_queue, false);
return saveAs;
}(this.self || this.window || this.content));
// `self` is undefined in Firefox for Android content script context
// while `this` is nsIContentFrameMessageManager
// with an attribute `content` that corresponds to the window
if (typeof module !== 'undefined') module.exports = saveAs;

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// MIT License:
//
// Copyright (c) 2010-2013, Joe Walnes
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
/**
* Smoothie Charts - http://smoothiecharts.org/
* (c) 2010-2013, Joe Walnes
* 2013, Drew Noakes
*
* v1.0: Main charting library, by Joe Walnes
* v1.1: Auto scaling of axis, by Neil Dunn
* v1.2: fps (frames per second) option, by Mathias Petterson
* v1.3: Fix for divide by zero, by Paul Nikitochkin
* v1.4: Set minimum, top-scale padding, remove timeseries, add optional timer to reset bounds, by Kelley Reynolds
* v1.5: Set default frames per second to 50... smoother.
* .start(), .stop() methods for conserving CPU, by Dmitry Vyal
* options.interpolation = 'bezier' or 'line', by Dmitry Vyal
* options.maxValue to fix scale, by Dmitry Vyal
* v1.6: minValue/maxValue will always get converted to floats, by Przemek Matylla
* v1.7: options.grid.fillStyle may be a transparent color, by Dmitry A. Shashkin
* Smooth rescaling, by Kostas Michalopoulos
* v1.8: Set max length to customize number of live points in the dataset with options.maxDataSetLength, by Krishna Narni
* v1.9: Display timestamps along the bottom, by Nick and Stev-io
* (https://groups.google.com/forum/?fromgroups#!topic/smoothie-charts/-Ywse8FCpKI%5B1-25%5D)
* Refactored by Krishna Narni, to support timestamp formatting function
* v1.10: Switch to requestAnimationFrame, removed the now obsoleted options.fps, by Gergely Imreh
* v1.11: options.grid.sharpLines option added, by @drewnoakes
* Addressed warning seen in Firefox when seriesOption.fillStyle undefined, by @drewnoakes
* v1.12: Support for horizontalLines added, by @drewnoakes
* Support for yRangeFunction callback added, by @drewnoakes
* v1.13: Fixed typo (#32), by @alnikitich
* v1.14: Timer cleared when last TimeSeries removed (#23), by @davidgaleano
* Fixed diagonal line on chart at start/end of data stream, by @drewnoakes
* v1.15: Support for npm package (#18), by @dominictarr
* Fixed broken removeTimeSeries function (#24) by @davidgaleano
* Minor performance and tidying, by @drewnoakes
* v1.16: Bug fix introduced in v1.14 relating to timer creation/clearance (#23), by @drewnoakes
* TimeSeries.append now deals with out-of-order timestamps, and can merge duplicates, by @zacwitte (#12)
* Documentation and some local variable renaming for clarity, by @drewnoakes
* v1.17: Allow control over font size (#10), by @drewnoakes
* Timestamp text won't overlap, by @drewnoakes
* v1.18: Allow control of max/min label precision, by @drewnoakes
* Added 'borderVisible' chart option, by @drewnoakes
* Allow drawing series with fill but no stroke (line), by @drewnoakes
*
* v.1.18.Alfresco by Antonio Soler
* Added different functions for date formatting depending on timescales for dates, hours or seconds
* Also added sieve: true to the chartoptions to use the alternative trim of timeseries ("sieve")
*/
;(function(exports) {
var Util = {
extend: function() {
arguments[0] = arguments[0] || {};
for (var i = 1; i < arguments.length; i++)
{
for (var key in arguments[i])
{
if (arguments[i].hasOwnProperty(key))
{
if (typeof(arguments[i][key]) === 'object') {
if (arguments[i][key] instanceof Array) {
arguments[0][key] = arguments[i][key];
} else {
arguments[0][key] = Util.extend(arguments[0][key], arguments[i][key]);
}
} else {
arguments[0][key] = arguments[i][key];
}
}
}
}
return arguments[0];
}
};
/**
* Initialises a new <code>TimeSeries</code> with optional data options.
*
* Options are of the form (defaults shown):
*
* <pre>
* {
* resetBounds: true, // enables/disables automatic scaling of the y-axis
* resetBoundsInterval: 3000 // the period between scaling calculations, in millis
* }
* </pre>
*
* Presentation options for TimeSeries are specified as an argument to <code>SmoothieChart.addTimeSeries</code>.
*
* @constructor
*/
function TimeSeries(options) {
this.options = Util.extend({}, TimeSeries.defaultOptions, options);
this.data = [];
this.maxValue = Number.NaN; // The maximum value ever seen in this TimeSeries.
this.minValue = Number.NaN; // The minimum value ever seen in this TimeSeries.
this.removedIndex = 0;
}
TimeSeries.defaultOptions = {
resetBoundsInterval: 3000,
resetBounds: true
};
/**
* Recalculate the min/max values for this <code>TimeSeries</code> object.
*
* This causes the graph to scale itself in the y-axis.
*/
TimeSeries.prototype.resetBounds = function() {
if (this.data.length) {
// Walk through all data points, finding the min/max value
this.maxValue = this.data[0][1];
this.minValue = this.data[0][1];
for (var i = 1; i < this.data.length; i++) {
var value = this.data[i][1];
if (value > this.maxValue) {
this.maxValue = value;
}
if (value < this.minValue) {
this.minValue = value;
}
}
} else {
// No data exists, so set min/max to NaN
this.maxValue = Number.NaN;
this.minValue = Number.NaN;
}
};
/**
* Adds a new data point to the <code>TimeSeries</code>, preserving chronological order.
*
* @param timestamp the position, in time, of this data point
* @param value the value of this data point
* @param sumRepeatedTimeStampValues if <code>timestamp</code> has an exact match in the series, this flag controls
* whether it is replaced, or the values summed (defaults to false.)
*/
TimeSeries.prototype.append = function(timestamp, value, sumRepeatedTimeStampValues) {
// Rewind until we hit an older timestamp
var i = this.data.length - 1;
while (i > 0 && this.data[i][0] > timestamp) {
i--;
}
if (this.data.length > 0 && this.data[i][0] === timestamp) {
// Update existing values in the array
if (sumRepeatedTimeStampValues) {
// Sum this value into the existing 'bucket'
this.data[i][1] += value;
value = this.data[i][1];
} else {
// Replace the previous value
this.data[i][1] = value;
}
} else if (i < this.data.length - 1) {
// Splice into the correct position to keep timestamps in order
this.data.splice(i + 1, 0, [timestamp, value]);
} else {
// Add to the end of the array
this.data.push([timestamp, value]);
}
this.maxValue = isNaN(this.maxValue) ? value : Math.max(this.maxValue, value);
this.minValue = isNaN(this.minValue) ? value : Math.min(this.minValue, value);
};
TimeSeries.prototype.dropOldData = function(oldestValidTime, maxDataSetLength) {
// We must always keep one expired data point as we need this to draw the
// line that comes into the chart from the left, but any points prior to that can be removed.
var removeCount = 0;
while (this.data.length - removeCount >= maxDataSetLength && this.data[removeCount + 1][0] < oldestValidTime) {
removeCount++;
}
if (removeCount !== 0) {
this.data.splice(0, removeCount);
}
};
TimeSeries.prototype.sieve = function(thiswidth) {
// on my particular use case I don't need a lot of definition on data over 10 minutes
// and I cannot trim the array if I want to retrace after changing timescale
// so I can save some memory deleting some random data on older values
while (this.data.length > thiswidth*6 ){
this.data.splice(Math.floor(Math.random()*thiswidth + Math.random()*thiswidth*2 ),1);
this.removedIndex++
}
};
/**
* Initialises a new <code>SmoothieChart</code>.
*
* Options are optional, and should be of the form below. Just specify the values you
* need and the rest will be given sensible defaults as shown:
*
* <pre>
* {
* minValue: undefined, // specify to clamp the lower y-axis to a given value
* maxValue: undefined, // specify to clamp the upper y-axis to a given value
* maxValueScale: 1, // allows proportional padding to be added above the chart. for 10% padding, specify 1.1.
* yRangeFunction: undefined, // function({min: , max: }) { return {min: , max: }; }
* scaleSmoothing: 0.125, // controls the rate at which y-value zoom animation occurs
* millisPerPixel: 20, // sets the speed at which the chart pans by
* maxDataSetLength: 2,
* interpolation: 'bezier' // or 'linear'
* timestampFormatter: null, // Optional function to format time stamps for bottom of chart. You may use SmoothieChart.timeFormatter, or your own: function(date) { return ''; }
* horizontalLines: [], // [ { value: 0, color: '#ffffff', lineWidth: 1 } ],
* grid:
* {
* fillStyle: '#000000', // the background colour of the chart
* lineWidth: 1, // the pixel width of grid lines
* strokeStyle: '#777777', // colour of grid lines
* millisPerLine: 1000, // distance between vertical grid lines
* sharpLines: false, // controls whether grid lines are 1px sharp, or softened
* verticalSections: 2, // number of vertical sections marked out by horizontal grid lines
* borderVisible: true // whether the grid lines trace the border of the chart or not
* },
* labels
* {
* disabled: false, // enables/disables labels showing the min/max values
* fillStyle: '#ffffff', // colour for text of labels,
* fontSize: 15,
* fontFamily: 'sans-serif',
* precision: 2
* },
* }
* </pre>
*
* @constructor
*/
function SmoothieChart(options) {
this.options = Util.extend({}, SmoothieChart.defaultChartOptions, options);
this.seriesSet = [];
this.currentValueRange = 1;
this.currentVisMinValue = 0;
}
SmoothieChart.defaultChartOptions = {
millisPerPixel: 20,
maxValueScale: 1,
interpolation: 'bezier',
scaleSmoothing: 0.125,
maxDataSetLength: 2,
grid: {
fillStyle: '#000000',
strokeStyle: '#777777',
lineWidth: 1,
sharpLines: false,
millisPerLine: 1000,
verticalSections: 2,
borderVisible: true
},
labels: {
fillStyle: '#ffffff',
disabled: false,
fontSize: 10,
fontFamily: 'monospace',
precision: 2
},
horizontalLines: []
};
// Based on http://inspirit.github.com/jsfeat/js/compatibility.js
SmoothieChart.AnimateCompatibility = (function() {
// TODO this global variable will cause bugs if more than one chart is used and the browser does not support *requestAnimationFrame natively
var lastTime = 0,
requestAnimationFrame = function(callback, element) {
var requestAnimationFrame =
window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
function(callback) {
var currTime = new Date().getTime(),
timeToCall = Math.max(0, 16 - (currTime - lastTime)),
id = window.setTimeout(function() {
callback(currTime + timeToCall);
}, timeToCall);
lastTime = currTime + timeToCall;
return id;
};
return requestAnimationFrame.call(window, callback, element);
},
cancelAnimationFrame = function(id) {
var cancelAnimationFrame =
window.cancelAnimationFrame ||
function(id) {
clearTimeout(id);
};
return cancelAnimationFrame.call(window, id);
};
return {
requestAnimationFrame: requestAnimationFrame,
cancelAnimationFrame: cancelAnimationFrame
};
})();
SmoothieChart.defaultSeriesPresentationOptions = {
lineWidth: 1,
strokeStyle: '#ffffff'
};
/**
* Adds a <code>TimeSeries</code> to this chart, with optional presentation options.
*
* Presentation options should be of the form (defaults shown):
*
* <pre>
* {
* lineWidth: 1,
* strokeStyle: '#ffffff',
* fillStyle: undefined
* }
* </pre>
*/
SmoothieChart.prototype.addTimeSeries = function(timeSeries, options) {
this.seriesSet.push({timeSeries: timeSeries, options: Util.extend({}, SmoothieChart.defaultSeriesPresentationOptions, options)});
if (timeSeries.options.resetBounds && timeSeries.options.resetBoundsInterval > 0) {
timeSeries.resetBoundsTimerId = setInterval(
function() {
timeSeries.resetBounds();
},
timeSeries.options.resetBoundsInterval
);
}
};
/**
* Removes the specified <code>TimeSeries</code> from the chart.
*/
SmoothieChart.prototype.removeTimeSeries = function(timeSeries) {
// Find the correct timeseries to remove, and remove it
var numSeries = this.seriesSet.length;
for (var i = 0; i < numSeries; i++) {
if (this.seriesSet[i].timeSeries === timeSeries) {
this.seriesSet.splice(i, 1);
break;
}
}
// If a timer was operating for that timeseries, remove it
if (timeSeries.resetBoundsTimerId) {
// Stop resetting the bounds, if we were
clearInterval(timeSeries.resetBoundsTimerId);
}
};
/**
* Instructs the <code>SmoothieChart</code> to start rendering to the provided canvas, with specified delay.
*
* @param canvas the target canvas element
* @param delayMillis an amount of time to wait before a data point is shown. This can prevent the end of the series
* from appearing on screen, with new values flashing into view, at the expense of some latency.
*/
SmoothieChart.prototype.streamTo = function(canvas, delayMillis) {
this.canvas = canvas;
this.delay = delayMillis;
this.start();
};
/**
* Starts the animation of this chart.
*/
SmoothieChart.prototype.start = function() {
if (this.frame) {
// We're already running, so just return
return;
}
// Renders a frame, and queues the next frame for later rendering
var animate = function() {
this.frame = SmoothieChart.AnimateCompatibility.requestAnimationFrame(function() {
this.render();
animate();
}.bind(this));
}.bind(this);
animate();
};
/**
* Stops the animation of this chart.
*/
SmoothieChart.prototype.stop = function() {
if (this.frame) {
SmoothieChart.AnimateCompatibility.cancelAnimationFrame(this.frame);
delete this.frame;
}
};
SmoothieChart.prototype.updateValueRange = function() {
// Calculate the current scale of the chart, from all time series.
var chartOptions = this.options,
chartMaxValue = Number.NaN,
chartMinValue = Number.NaN;
for (var d = 0; d < this.seriesSet.length; d++) {
// TODO(ndunn): We could calculate / track these values as they stream in.
var timeSeries = this.seriesSet[d].timeSeries;
if (!isNaN(timeSeries.maxValue)) {
chartMaxValue = !isNaN(chartMaxValue) ? Math.max(chartMaxValue, timeSeries.maxValue) : timeSeries.maxValue;
}
if (!isNaN(timeSeries.minValue)) {
chartMinValue = !isNaN(chartMinValue) ? Math.min(chartMinValue, timeSeries.minValue) : timeSeries.minValue;
}
}
// Scale the chartMaxValue to add padding at the top if required
if (chartOptions.maxValue != null) {
chartMaxValue = chartOptions.maxValue;
} else {
chartMaxValue *= chartOptions.maxValueScale;
}
// Set the minimum if we've specified one
if (chartOptions.minValue != null) {
chartMinValue = chartOptions.minValue;
}
// If a custom range function is set, call it
if (this.options.yRangeFunction) {
var range = this.options.yRangeFunction({min: chartMinValue, max: chartMaxValue});
chartMinValue = range.min;
chartMaxValue = range.max;
}
if (!isNaN(chartMaxValue) && !isNaN(chartMinValue)) {
var targetValueRange = chartMaxValue - chartMinValue;
this.currentValueRange += chartOptions.scaleSmoothing * (targetValueRange - this.currentValueRange);
this.currentVisMinValue += chartOptions.scaleSmoothing * (chartMinValue - this.currentVisMinValue);
}
this.valueRange = { min: chartMinValue, max: chartMaxValue };
};
SmoothieChart.prototype.render = function(canvas, time) {
canvas = canvas || this.canvas;
time = time || new Date().getTime() - (this.delay || 0);
// TODO only render if the chart has moved at least 1px since the last rendered frame
// Round time down to pixel granularity, so motion appears smoother.
time -= time % this.options.millisPerPixel;
var context = canvas.getContext('2d'),
chartOptions = this.options,
dimensions = { top: 0, left: 0, width: canvas.clientWidth, height: canvas.clientHeight },
// Calculate the threshold time for the oldest data points.
oldestValidTime = time - (dimensions.width * chartOptions.millisPerPixel),
valueToYPixel = function(value) {
var offset = value - this.currentVisMinValue;
return this.currentValueRange === 0
? dimensions.height
: dimensions.height - (Math.round((offset / this.currentValueRange) * dimensions.height));
}.bind(this),
timeToXPixel = function(t) {
return Math.round(dimensions.width - ((time - t) / chartOptions.millisPerPixel));
};
this.updateValueRange();
context.font = chartOptions.labels.fontSize + 'px ' + chartOptions.labels.fontFamily;
// Save the state of the canvas context, any transformations applied in this method
// will get removed from the stack at the end of this method when .restore() is called.
context.save();
// Move the origin.
context.translate(dimensions.left, dimensions.top);
// Create a clipped rectangle - anything we draw will be constrained to this rectangle.
// This prevents the occasional pixels from curves near the edges overrunning and creating
// screen cheese (that phrase should need no explanation).
context.beginPath();
context.rect(0, 0, dimensions.width, dimensions.height);
context.clip();
// Clear the working area.
context.save();
context.fillStyle = chartOptions.grid.fillStyle;
context.clearRect(0, 0, dimensions.width, dimensions.height);
context.fillRect(0, 0, dimensions.width, dimensions.height);
context.restore();
// Grid lines...
context.save();
context.lineWidth = chartOptions.grid.lineWidth;
context.strokeStyle = chartOptions.grid.strokeStyle;
// Vertical (time) dividers.
if (chartOptions.grid.millisPerLine > 0) {
var textUntilX = dimensions.width - context.measureText(minValueString).width + 4;
for (var t = time - (time % chartOptions.grid.millisPerLine);
t >= oldestValidTime;
t -= chartOptions.grid.millisPerLine) {
var gx = timeToXPixel(t);
if (chartOptions.grid.sharpLines) {
gx -= 0.5;
}
context.beginPath();
context.moveTo(gx, 0);
context.lineTo(gx, dimensions.height);
context.stroke();
context.closePath();
// Display timestamp at bottom of this line if requested, and it won't overlap
if (chartOptions.timestampFormatter && gx < textUntilX) {
// Formats the timestamp based on user specified formatting function
// SmoothieChart.timeFormatter function above is one such formatting option
var tx = new Date(t),
ts = chartOptions.timestampFormatter(tx),
tsWidth = context.measureText(ts).width;
textUntilX = gx - tsWidth - 2;
context.fillStyle = chartOptions.labels.fillStyle;
context.fillText(ts, gx - tsWidth, dimensions.height - 2);
}
}
}
// Horizontal (value) dividers.
for (var v = 1; v < chartOptions.grid.verticalSections; v++) {
var gy = Math.round(v * dimensions.height / chartOptions.grid.verticalSections);
if (chartOptions.grid.sharpLines) {
gy -= 0.5;
}
context.beginPath();
context.moveTo(0, gy);
context.lineTo(dimensions.width, gy);
context.stroke();
context.closePath();
}
// Bounding rectangle.
if (chartOptions.grid.borderVisible) {
context.beginPath();
context.strokeRect(0, 0, dimensions.width, dimensions.height);
context.closePath();
}
context.restore();
// Draw any horizontal lines...
if (chartOptions.horizontalLines && chartOptions.horizontalLines.length) {
for (var hl = 0; hl < chartOptions.horizontalLines.length; hl++) {
var line = chartOptions.horizontalLines[hl],
hly = Math.round(valueToYPixel(line.value)) - 0.5;
context.strokeStyle = line.color || '#ffffff';
context.lineWidth = line.lineWidth || 1;
context.beginPath();
context.moveTo(0, hly);
context.lineTo(dimensions.width, hly);
context.stroke();
context.closePath();
}
}
// For each data set...
for (var d = 0; d < this.seriesSet.length; d++) {
context.save();
var timeSeries = this.seriesSet[d].timeSeries,
dataSet = timeSeries.data,
seriesOptions = this.seriesSet[d].options;
// Delete old data that's moved off the left of the chart.
if (chartOptions.sieve){
timeSeries.sieve(dimensions.width);
}
else{
timeSeries.dropOldData(oldestValidTime , chartOptions.maxDataSetLength);
}
// Set style for this dataSet.
context.lineWidth = seriesOptions.lineWidth;
context.strokeStyle = seriesOptions.strokeStyle;
// Draw the line...
context.beginPath();
// Retain lastX, lastY for calculating the control points of bezier curves.
var firstX = 0, lastX = 0, lastY = 0;
for (var i = 0; i < dataSet.length && dataSet.length !== 1; i++) {
var x = timeToXPixel(dataSet[i][0]),
y = valueToYPixel(dataSet[i][1]);
if (i === 0) {
firstX = x;
context.moveTo(x, y);
} else {
switch (chartOptions.interpolation) {
case "linear":
case "line": {
context.lineTo(x,y);
break;
}
case "bezier":
default: {
// Great explanation of Bezier curves: http://en.wikipedia.org/wiki/Bezier_curve#Quadratic_curves
//
// Assuming A was the last point in the line plotted and B is the new point,
// we draw a curve with control points P and Q as below.
//
// A---P
// |
// |
// |
// Q---B
//
// Importantly, A and P are at the same y coordinate, as are B and Q. This is
// so adjacent curves appear to flow as one.
//
context.bezierCurveTo( // startPoint (A) is implicit from last iteration of loop
Math.round((lastX + x) / 2), lastY, // controlPoint1 (P)
Math.round((lastX + x)) / 2, y, // controlPoint2 (Q)
x, y); // endPoint (B)
break;
}
}
}
lastX = x; lastY = y;
}
if (dataSet.length > 1) {
if (seriesOptions.fillStyle) {
// Close up the fill region.
context.lineTo(dimensions.width + seriesOptions.lineWidth + 1, lastY);
context.lineTo(dimensions.width + seriesOptions.lineWidth + 1, dimensions.height + seriesOptions.lineWidth + 1);
context.lineTo(firstX, dimensions.height + seriesOptions.lineWidth);
context.fillStyle = seriesOptions.fillStyle;
context.fill();
}
if (seriesOptions.strokeStyle && seriesOptions.strokeStyle !== 'none') {
context.stroke();
}
context.closePath();
}
context.restore();
}
// Draw the axis values on the chart.
if (!chartOptions.labels.disabled && !isNaN(this.valueRange.min) && !isNaN(this.valueRange.max)) {
var maxValueString = parseFloat(this.valueRange.max).toFixed(chartOptions.labels.precision),
minValueString = parseFloat(this.valueRange.min).toFixed(chartOptions.labels.precision);
context.fillStyle = chartOptions.labels.fillStyle;
context.fillText(maxValueString, dimensions.width - context.measureText(maxValueString).width - 2, chartOptions.labels.fontSize);
context.fillText(minValueString, dimensions.width - context.measureText(minValueString).width - 2, dimensions.height - 2);
}
context.restore(); // See .save() above.
};
// Sample timestamp formatting function
SmoothieChart.timeFormatter = function(date) {
function pad2(number) { return (number < 10 ? '0' : '') + number }
//return pad2(date.getHours()) + ':' + pad2(date.getMinutes()) + ':' + pad2(date.getSeconds());
return pad2(date.getHours()) + ':' + pad2(date.getMinutes()) ;
};
SmoothieChart.secondsFormatter = function(date) {
function pad2(number) { return (number < 10 ? '0' : '') + number }
//return pad2(date.getHours()) + ':' + pad2(date.getMinutes()) + ':' + pad2(date.getSeconds());
return "'"+pad2(date.getSeconds()) ;
};
SmoothieChart.dateFormatter = function(date) {
function pad2(number) { return (number < 10 ? '0' : '') + number }
//return pad2(date.getHours()) + ':' + pad2(date.getMinutes()) + ':' + pad2(date.getSeconds());
return pad2(date.getMonth()+1) + '/' + pad2(date.getDate()) ;
};
exports.TimeSeries = TimeSeries;
exports.SmoothieChart = SmoothieChart;
})(typeof exports === 'undefined' ? this : exports);