FM / scales

/home/wespack/public_html/admin/vendors/Chart.js/src/scales/

/home/wespack/public_html/admin/vendors/Chart.js/src/scales

Name	Size	Mode	Actions
scale.category.js	3359	0644	edit dl rm
scale.linear.js	9757	0644	edit dl rm
scale.logarithmic.js	7185	0644	edit dl rm
scale.radialLinear.js	17274	0644	edit dl rm
scale.time.js	14804	0644	edit dl rm

Edit: /home/wespack/public_html/admin/vendors/Chart.js/src/scales/scale.time.js (14804B)

/*global window: false */
"use strict";

var moment = require('moment');
moment = typeof(moment) === 'function' ? moment : window.moment;

module.exports = function(Chart) {

var helpers = Chart.helpers;
	var time = {
		units: [{
			name: 'millisecond',
			steps: [1, 2, 5, 10, 20, 50, 100, 250, 500]
		}, {
			name: 'second',
			steps: [1, 2, 5, 10, 30]
		}, {
			name: 'minute',
			steps: [1, 2, 5, 10, 30]
		}, {
			name: 'hour',
			steps: [1, 2, 3, 6, 12]
		}, {
			name: 'day',
			steps: [1, 2, 5]
		}, {
			name: 'week',
			maxStep: 4
		}, {
			name: 'month',
			maxStep: 3
		}, {
			name: 'quarter',
			maxStep: 4
		}, {
			name: 'year',
			maxStep: false
		}]
	};

var defaultConfig = {
		position: "bottom",

time: {
			parser: false, // false == a pattern string from http://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment
			format: false, // DEPRECATED false == date objects, moment object, callback or a pattern string from http://momentjs.com/docs/#/parsing/string-format/
			unit: false, // false == automatic or override with week, month, year, etc.
			round: false, // none, or override with week, month, year, etc.
			displayFormat: false, // DEPRECATED
			isoWeekday: false, // override week start day - see http://momentjs.com/docs/#/get-set/iso-weekday/

// defaults to unit's corresponding unitFormat below or override using pattern string from http://momentjs.com/docs/#/displaying/format/
			displayFormats: {
				'millisecond': 'h:mm:ss.SSS a', // 11:20:01.123 AM,
				'second': 'h:mm:ss a', // 11:20:01 AM
				'minute': 'h:mm:ss a', // 11:20:01 AM
				'hour': 'MMM D, hA', // Sept 4, 5PM
				'day': 'll', // Sep 4 2015
				'week': 'll', // Week 46, or maybe "[W]WW - YYYY" ?
				'month': 'MMM YYYY', // Sept 2015
				'quarter': '[Q]Q - YYYY', // Q3
				'year': 'YYYY' // 2015
			}
		},
		ticks: {
			autoSkip: false
		}
	};

var TimeScale = Chart.Scale.extend({
		initialize: function() {
			if (!moment) {
				throw new Error('Chart.js - Moment.js could not be found! You must include it before Chart.js to use the time scale. Download at https://momentjs.com');
			}

Chart.Scale.prototype.initialize.call(this);
		},
		getLabelMoment: function(datasetIndex, index) {
			return this.labelMoments[datasetIndex][index];
		},
		getMomentStartOf: function(tick) {
			if (this.options.time.unit === 'week' && this.options.time.isoWeekday !== false) {
				return tick.clone().startOf('isoWeek').isoWeekday(this.options.time.isoWeekday);
			} else {
				return tick.clone().startOf(this.tickUnit);
			}
		},
		determineDataLimits: function() {
			this.labelMoments = [];

// Only parse these once. If the dataset does not have data as x,y pairs, we will use
			// these
			var scaleLabelMoments = [];
			if (this.chart.data.labels && this.chart.data.labels.length > 0) {
				helpers.each(this.chart.data.labels, function(label, index) {
					var labelMoment = this.parseTime(label);

if (labelMoment.isValid()) {
						if (this.options.time.round) {
							labelMoment.startOf(this.options.time.round);
						}
						scaleLabelMoments.push(labelMoment);
					}
				}, this);

this.firstTick = moment.min.call(this, scaleLabelMoments);
				this.lastTick = moment.max.call(this, scaleLabelMoments);
			} else {
				this.firstTick = null;
				this.lastTick = null;
			}

helpers.each(this.chart.data.datasets, function(dataset, datasetIndex) {
				var momentsForDataset = [];
				var datasetVisible = this.chart.isDatasetVisible(datasetIndex);

if (typeof dataset.data[0] === 'object' && dataset.data[0] !== null) {
					helpers.each(dataset.data, function(value, index) {
						var labelMoment = this.parseTime(this.getRightValue(value));

if (labelMoment.isValid()) {
							if (this.options.time.round) {
								labelMoment.startOf(this.options.time.round);
							}
							momentsForDataset.push(labelMoment);

if (datasetVisible) {
								// May have gone outside the scale ranges, make sure we keep the first and last ticks updated
								this.firstTick = this.firstTick !== null ? moment.min(this.firstTick, labelMoment) : labelMoment;
								this.lastTick = this.lastTick !== null ? moment.max(this.lastTick, labelMoment) : labelMoment;
							}
						}
					}, this);
				} else {
					// We have no labels. Use the ones from the scale
					momentsForDataset = scaleLabelMoments;
				}

this.labelMoments.push(momentsForDataset);
			}, this);

// Set these after we've done all the data
			if (this.options.time.min) {
				this.firstTick = this.parseTime(this.options.time.min);
			}

if (this.options.time.max) {
				this.lastTick = this.parseTime(this.options.time.max);
			}

// We will modify these, so clone for later
			this.firstTick = (this.firstTick || moment()).clone();
			this.lastTick = (this.lastTick || moment()).clone();
		},
		buildTicks: function(index) {

this.ctx.save();
			var tickFontSize = helpers.getValueOrDefault(this.options.ticks.fontSize, Chart.defaults.global.defaultFontSize);
			var tickFontStyle = helpers.getValueOrDefault(this.options.ticks.fontStyle, Chart.defaults.global.defaultFontStyle);
			var tickFontFamily = helpers.getValueOrDefault(this.options.ticks.fontFamily, Chart.defaults.global.defaultFontFamily);
			var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily);
			this.ctx.font = tickLabelFont;

this.ticks = [];
			this.unitScale = 1; // How much we scale the unit by, ie 2 means 2x unit per step
			this.scaleSizeInUnits = 0; // How large the scale is in the base unit (seconds, minutes, etc)

// Set unit override if applicable
			if (this.options.time.unit) {
				this.tickUnit = this.options.time.unit || 'day';
				this.displayFormat = this.options.time.displayFormats[this.tickUnit];
				this.scaleSizeInUnits = this.lastTick.diff(this.firstTick, this.tickUnit, true);
				this.unitScale = helpers.getValueOrDefault(this.options.time.unitStepSize, 1);
			} else {
				// Determine the smallest needed unit of the time
				var innerWidth = this.isHorizontal() ? this.width - (this.paddingLeft + this.paddingRight) : this.height - (this.paddingTop + this.paddingBottom);

// Crude approximation of what the label length might be
				var tempFirstLabel = this.tickFormatFunction(this.firstTick, 0, []);
				var tickLabelWidth = this.ctx.measureText(tempFirstLabel).width;
				var cosRotation = Math.cos(helpers.toRadians(this.options.ticks.maxRotation));
				var sinRotation = Math.sin(helpers.toRadians(this.options.ticks.maxRotation));
				tickLabelWidth = (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation);
				var labelCapacity = innerWidth / (tickLabelWidth);

// Start as small as possible
				this.tickUnit = 'millisecond';
				this.scaleSizeInUnits = this.lastTick.diff(this.firstTick, this.tickUnit, true);
				this.displayFormat = this.options.time.displayFormats[this.tickUnit];

var unitDefinitionIndex = 0;
				var unitDefinition = time.units[unitDefinitionIndex];

// While we aren't ideal and we don't have units left
				while (unitDefinitionIndex < time.units.length) {
					// Can we scale this unit. If `false` we can scale infinitely
					this.unitScale = 1;

if (helpers.isArray(unitDefinition.steps) && Math.ceil(this.scaleSizeInUnits / labelCapacity) < helpers.max(unitDefinition.steps)) {
						// Use one of the prefedined steps
						for (var idx = 0; idx < unitDefinition.steps.length; ++idx) {
							if (unitDefinition.steps[idx] >= Math.ceil(this.scaleSizeInUnits / labelCapacity)) {
								this.unitScale = helpers.getValueOrDefault(this.options.time.unitStepSize, unitDefinition.steps[idx]);
								break;
							}
						}

break;
					} else if ((unitDefinition.maxStep === false) || (Math.ceil(this.scaleSizeInUnits / labelCapacity) < unitDefinition.maxStep)) {
						// We have a max step. Scale this unit
						this.unitScale = helpers.getValueOrDefault(this.options.time.unitStepSize, Math.ceil(this.scaleSizeInUnits / labelCapacity));
						break;
					} else {
						// Move to the next unit up
						++unitDefinitionIndex;
						unitDefinition = time.units[unitDefinitionIndex];

this.tickUnit = unitDefinition.name;
						var leadingUnitBuffer = this.firstTick.diff(this.getMomentStartOf(this.firstTick), this.tickUnit, true);
						var trailingUnitBuffer = this.getMomentStartOf(this.lastTick.clone().add(1, this.tickUnit)).diff(this.lastTick, this.tickUnit, true);
						this.scaleSizeInUnits = this.lastTick.diff(this.firstTick, this.tickUnit, true) + leadingUnitBuffer + trailingUnitBuffer;
						this.displayFormat = this.options.time.displayFormats[unitDefinition.name];
					}
				}
			}

var roundedStart;

// Only round the first tick if we have no hard minimum
			if (!this.options.time.min) {
				this.firstTick = this.getMomentStartOf(this.firstTick);
				roundedStart = this.firstTick;
			} else {
				roundedStart = this.getMomentStartOf(this.firstTick);
			}

// Only round the last tick if we have no hard maximum
			if (!this.options.time.max) {
				var roundedEnd = this.getMomentStartOf(this.lastTick);
				if (roundedEnd.diff(this.lastTick, this.tickUnit, true) !== 0) {
					// Do not use end of because we need this to be in the next time unit
					this.lastTick = this.getMomentStartOf(this.lastTick.add(1, this.tickUnit));
				}
			}

this.smallestLabelSeparation = this.width;

helpers.each(this.chart.data.datasets, function(dataset, datasetIndex) {
				for (var i = 1; i < this.labelMoments[datasetIndex].length; i++) {
					this.smallestLabelSeparation = Math.min(this.smallestLabelSeparation, this.labelMoments[datasetIndex][i].diff(this.labelMoments[datasetIndex][i - 1], this.tickUnit, true));
				}
			}, this);

// Tick displayFormat override
			if (this.options.time.displayFormat) {
				this.displayFormat = this.options.time.displayFormat;
			}

// first tick. will have been rounded correctly if options.time.min is not specified
			this.ticks.push(this.firstTick.clone());

// For every unit in between the first and last moment, create a moment and add it to the ticks tick
			for (var i = 1; i <= this.scaleSizeInUnits; ++i) {
				var newTick = roundedStart.clone().add(i, this.tickUnit);

// Are we greater than the max time
				if (this.options.time.max && newTick.diff(this.lastTick, this.tickUnit, true) >= 0) {
					break;
				}

if (i % this.unitScale === 0) {
					this.ticks.push(newTick);
				}
			}

// Always show the right tick
			var diff = this.ticks[this.ticks.length - 1].diff(this.lastTick, this.tickUnit);
			if (diff !== 0 || this.scaleSizeInUnits === 0) {
				// this is a weird case. If the <max> option is the same as the end option, we can't just diff the times because the tick was created from the roundedStart
				// but the last tick was not rounded.
				if (this.options.time.max) {
					this.ticks.push(this.lastTick.clone());
					this.scaleSizeInUnits = this.lastTick.diff(this.ticks[0], this.tickUnit, true);
				} else {
					this.ticks.push(this.lastTick.clone());
					this.scaleSizeInUnits = this.lastTick.diff(this.firstTick, this.tickUnit, true);
				}
			}

this.ctx.restore();
		},
		// Get tooltip label
		getLabelForIndex: function(index, datasetIndex) {
			var label = this.chart.data.labels && index < this.chart.data.labels.length ? this.chart.data.labels[index] : '';

if (typeof this.chart.data.datasets[datasetIndex].data[0] === 'object') {
				label = this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);
			}

// Format nicely
			if (this.options.time.tooltipFormat) {
				label = this.parseTime(label).format(this.options.time.tooltipFormat);
			}

return label;
		},
		// Function to format an individual tick mark
		tickFormatFunction: function tickFormatFunction(tick, index, ticks) {
			var formattedTick = tick.format(this.displayFormat);
			var tickOpts = this.options.ticks;
			var callback = helpers.getValueOrDefault(tickOpts.callback, tickOpts.userCallback);

if (callback) {
				return callback(formattedTick, index, ticks);
			} else {
				return formattedTick;
			}
		},
		convertTicksToLabels: function() {
			this.tickMoments = this.ticks;
			this.ticks = this.ticks.map(this.tickFormatFunction, this);
		},
		getPixelForValue: function(value, index, datasetIndex, includeOffset) {
			var labelMoment = value && value.isValid && value.isValid() ? value : this.getLabelMoment(datasetIndex, index);

if (labelMoment) {
				var offset = labelMoment.diff(this.firstTick, this.tickUnit, true);

var decimal = offset / this.scaleSizeInUnits;

if (this.isHorizontal()) {
					var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
					var valueWidth = innerWidth / Math.max(this.ticks.length - 1, 1);
					var valueOffset = (innerWidth * decimal) + this.paddingLeft;

return this.left + Math.round(valueOffset);
				} else {
					var innerHeight = this.height - (this.paddingTop + this.paddingBottom);
					var valueHeight = innerHeight / Math.max(this.ticks.length - 1, 1);
					var heightOffset = (innerHeight * decimal) + this.paddingTop;

return this.top + Math.round(heightOffset);
				}
			}
		},
		getPixelForTick: function(index, includeOffset) {
			return this.getPixelForValue(this.tickMoments[index], null, null, includeOffset);
		},
		getValueForPixel: function(pixel) {
			var innerDimension = this.isHorizontal() ? this.width - (this.paddingLeft + this.paddingRight) : this.height - (this.paddingTop + this.paddingBottom);
			var offset = (pixel - (this.isHorizontal() ? this.left + this.paddingLeft : this.top + this.paddingTop)) / innerDimension;
			offset *= this.scaleSizeInUnits;
			return this.firstTick.clone().add(moment.duration(offset, this.tickUnit).asSeconds(), 'seconds');
		},
		parseTime: function(label) {
			if (typeof this.options.time.parser === 'string') {
				return moment(label, this.options.time.parser);
			}
			if (typeof this.options.time.parser === 'function') {
				return this.options.time.parser(label);
			}
			// Date objects
			if (typeof label.getMonth === 'function' || typeof label === 'number') {
				return moment(label);
			}
			// Moment support
			if (label.isValid && label.isValid()) {
				return label;
			}
			// Custom parsing (return an instance of moment)
			if (typeof this.options.time.format !== 'string' && this.options.time.format.call) {
				console.warn("options.time.format is deprecated and replaced by options.time.parser. See http://nnnick.github.io/Chart.js/docs-v2/#scales-time-scale");
				return this.options.time.format(label);
			}
			// Moment format parsing
			return moment(label, this.options.time.format);
		}
	});
	Chart.scaleService.registerScaleType("time", TimeScale, defaultConfig);

};

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