| 1 | 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* DurationAxis module\r\n */\r\n\r\n/**\r\n * ============================================================================\r\n * IMPORTS\r\n * ============================================================================\r\n * @hidden\r\n */\r\nimport { ValueAxis, ValueAxisDataItem, IValueAxisProperties, IValueAxisDataFields, IValueAxisAdapters, IValueAxisEvents } from \"./ValueAxis\";\r\nimport { AxisRenderer } from \"./AxisRenderer\";\r\nimport { TimeUnit } from \"../../core/defs/TimeUnit\";\r\nimport { IMinMaxStep } from \"./ValueAxis\";\r\nimport { registry } from \"../../core/Registry\";\r\nimport * as $math from \"../../core/utils/Math\";\r\n\r\n\r\n/**\r\n * ============================================================================\r\n * DATA ITEM\r\n * ============================================================================\r\n * @hidden\r\n */\r\n\r\n/**\r\n * Defines data item for [[DurationAxis]].\r\n *\r\n * @see {@link DataItem}\r\n */\r\nexport class DurationAxisDataItem extends ValueAxisDataItem {\r\n\r\n\t/**\r\n\t * Defines a type of [[Component]] this data item is used for.\r\n\t */\r\n\tpublic _component!: DurationAxis;\r\n\r\n\t/**\r\n\t * Constructor\r\n\t */\r\n\tconstructor() {\r\n\t\tsuper();\r\n\t\tthis.className = \"DurationAxisDataItem\";\r\n\t\tthis.applyTheme();\r\n\t}\r\n}\r\n\r\n\r\n/**\r\n * ============================================================================\r\n * REQUISITES\r\n * ============================================================================\r\n * @hidden\r\n */\r\n\r\n/**\r\n * Defines data fields for [[DurationAxis]].\r\n */\r\nexport interface IDurationAxisDataFields extends IValueAxisDataFields { }\r\n\r\n/**\r\n * Defines properties for [[DurationAxis]].\r\n */\r\nexport interface IDurationAxisProperties extends IValueAxisProperties { }\r\n\r\n/**\r\n * Defines events for [[DurationAxis]].\r\n */\r\nexport interface IDurationAxisEvents extends IValueAxisEvents { }\r\n\r\n/**\r\n * Defines adapters for [[DurationAxis]].\r\n *\r\n * @see {@link Adapter}\r\n */\r\nexport interface IDurationAxisAdapters extends IValueAxisAdapters, IDurationAxisProperties { }\r\n\r\n\r\n/**\r\n * ============================================================================\r\n * MAIN CLASS\r\n * ============================================================================\r\n * @hidden\r\n */\r\n\r\n/**\r\n * Used to create an axis that shows time durations.\r\n *\r\n * ```TypeScript\r\n * // Create the axis\r\n * let xAxis = chart.xAxes.push(new am4charts.DurationAxis());\r\n *\r\n * // Set settings\r\n * xAxis.title.text = \"Time\";\r\n * ```\r\n * ```JavaScript\r\n * // Create the axis\r\n * var valueAxis = chart.xAxes.push(new am4charts.DurationAxis());\r\n *\r\n * // Set settings\r\n * valueAxis.title.text = \"Time\";\r\n * ```\r\n * ```JSON\r\n * \"xAxes\": [{\r\n * \"type\": \"DurationAxis\",\r\n * \"title\": {\r\n * \"text\": \"Time\"\r\n * }\r\n * }]\r\n * ```\r\n *\r\n * @see {@link https://www.amcharts.com/docs/v4/concepts/formatters/formatting-duration/} for mor information about duration formatters.\r\n * @see {@link IDurationAxisEvents} for a list of available Events\r\n * @see {@link IDurationAxisAdapters} for a list of available Adapters\r\n * @important\r\n */\r\nexport class DurationAxis<T extends AxisRenderer = AxisRenderer> extends ValueAxis<T> {\r\n\r\n\t/**\r\n\t * Defines data fields.\r\n\t */\r\n\tpublic _dataFields: IDurationAxisDataFields;\r\n\r\n\t/**\r\n\t * Defines available properties.\r\n\t */\r\n\tpublic _properties!: IDurationAxisProperties;\r\n\r\n\t/**\r\n\t * Defines available adapters.\r\n\t */\r\n\tpublic _adapter!: IDurationAxisAdapters;\r\n\r\n\t/**\r\n\t * Defines available events.\r\n\t */\r\n\tpublic _events!: IDurationAxisEvents;\r\n\r\n\t/**\r\n\t * Defines the type of the Date Items.\r\n\t */\r\n\tpublic _dataItem: DurationAxisDataItem;\r\n\r\n\t/**\r\n\t * A base unit (granularity) of data.\r\n\t *\r\n\t * Used to indicate what are the base units of your data.\r\n\t */\r\n\tprotected _baseUnit: TimeUnit = \"second\";\r\n\r\n\t/**\r\n\t * A special duration format to apply axis tooltips.\r\n\t *\r\n\t * Will use same format as for labels, if not set.\r\n\t */\r\n\tprotected _tooltipDurationFormat: string;\r\n\r\n\t/**\r\n\t * Axis date format chosen dynamically based on min/max and baseUnit.\r\n\t *\r\n\t * @readonly\r\n\t */\r\n\tpublic axisDurationFormat: string;\r\n\r\n\t/**\r\n\t * Constructor\r\n\t */\r\n\tconstructor() {\r\n\r\n\t\t// Init\r\n\t\tsuper();\r\n\t\tthis.className = \"DurationAxis\";\r\n\r\n\t\tthis.setPropertyValue(\"maxZoomFactor\", 1000000);\r\n\r\n\t\t// Apply theme\r\n\t\tthis.applyTheme();\r\n\t}\r\n\r\n\r\n\t/**\r\n\t * Formats the value according to axis' own [[DurationFormatter]].\r\n\t *\r\n\t * @param value Source value\r\n\t * @return Formatted value\r\n\t */\r\n\tpublic formatLabel(value: number, format?: string): string {\r\n\t\treturn this.durationFormatter.format(value, format || this.axisDurationFormat);\r\n\t}\r\n\r\n\t/**\r\n\t * Adjusts actual min and max scale values so that the axis starts and ends\r\n\t * at \"nice\" values, unless `strictMinMax` is set.\r\n\t *\r\n\t * The `difference` can be something else than `max - min`, because of the\r\n\t * axis breaks.\r\n\t *\r\n\t * @ignore Exclude from docs\r\n\t * @todo Description\r\n\t * @param min [description]\r\n\t * @param max [description]\r\n\t * @param difference [description]\r\n\t * @param gridCount [description]\r\n\t * @param strictMode [description]\r\n\t * @return [description]\r\n\t */\r\n\tpublic adjustMinMax(min: number, max: number, difference: number, gridCount: number, strictMode?: boolean): IMinMaxStep {\r\n\r\n\t\tlet minMaxStep: IMinMaxStep;\r\n\r\n\t\tlet timeUnit = this.baseUnit;\r\n\t\t// we don't allow to go to smaller units, setting so to avoid invalidation\r\n\t\tthis.setPropertyValue(\"maxPrecision\", 0);\r\n\r\n\t\tif (timeUnit == \"millisecond\" || timeUnit == \"second\" || timeUnit == \"minute\" || timeUnit == \"hour\") {\r\n\t\t\t// will fail if 0\r\n\t\t\tif (gridCount <= 1) {\r\n\t\t\t\tgridCount = 1;\r\n\t\t\t}\r\n\r\n\t\t\tgridCount = Math.round(gridCount);\r\n\r\n\t\t\tlet initialMin: number = min;\r\n\t\t\tlet initialMax: number = max;\r\n\r\n\t\t\t// in case min and max is the same, use max\r\n\t\t\tif (difference === 0) {\r\n\t\t\t\tdifference = Math.abs(max);\r\n\t\t\t}\r\n\r\n\t\t\tlet step = difference / gridCount;\r\n\r\n\t\t\tlet divisors = [60, 30, 20, 15, 10, 2, 1];\r\n\t\t\tlet realDivisor = 1;\r\n\r\n\t\t\tif (timeUnit == \"hour\") {\r\n\t\t\t\tdivisors = [24, 12, 6, 4, 2, 1];\r\n\t\t\t}\r\n\r\n\t\t\tfor (let divisor of divisors) {\r\n\t\t\t\tif (difference / divisor > gridCount) {\r\n\t\t\t\t\trealDivisor = divisor;\r\n\t\t\t\t\tbreak;\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t\tlet count = Math.ceil(((max - min) / realDivisor) / gridCount);\r\n\r\n\t\t\tlet exponent: number = Math.log(Math.abs(count)) * Math.LOG10E;\r\n\t\t\tlet power = Math.pow(10, Math.floor(exponent)) / 10;\r\n\t\t\tlet reducedCount = count / power;\r\n\r\n\t\t\t// find closest to divisor\r\n\t\t\tlet closest = $math.closest(divisors, reducedCount);\r\n\t\t\tcount = closest * power;\r\n\r\n\t\t\tstep = realDivisor * count;\r\n\r\n\t\t\t// TODO can this be removed ?\r\n\t\t\tthis.durationFormatter.getValueUnit(step, this.baseUnit);\r\n\r\n\t\t\tmin = Math.floor(min / step) * step;\r\n\t\t\tmax = Math.ceil(max / step) * step;\r\n\r\n\t\t\tif (strictMode) {\r\n\t\t\t\tmin -= step;\r\n\t\t\t\tif (min < 0 && initialMin >= 0) {\r\n\t\t\t\t\tmin = 0;\r\n\t\t\t\t}\r\n\t\t\t\tmax += step;\r\n\r\n\t\t\t\tif (max > 0 && initialMax <= 0) {\r\n\t\t\t\t\tmax = 0;\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t\tminMaxStep = { min: min, max: max, step: step };\r\n\t\t}\r\n\t\telse {\r\n\t\t\tminMaxStep = super.adjustMinMax(min, max, difference, gridCount, strictMode);\r\n\t\t}\r\n\r\n\t\t// choose duration formatter based on step\r\n\t\tthis.axisDurationFormat = this.durationFormatter.getFormat(minMaxStep.step, minMaxStep.max, this.baseUnit);\r\n\r\n\t\treturn minMaxStep;\r\n\t}\r\n\r\n\t/**\r\n\t * A special duration format to apply axis tooltips.\r\n\t *\r\n\t * Will use same format as for labels, if not set.\r\n\t *\r\n\t * @see {@link https://www.amcharts.com/docs/v4/concepts/formatters/formatting-duration/} for mor information.\r\n\t * @param value Duration format for axis labels\r\n\t */\r\n\tpublic set tooltipDurationFormat(value: string) {\r\n\t\tthis._tooltipDurationFormat = value;\r\n\t}\r\n\r\n\t/**\r\n\t * @return Duration format for axis labels\r\n\t */\r\n\tpublic get tooltipDurationFormat(): string {\r\n\t\treturn this._tooltipDurationFormat;\r\n\t}\r\n\r\n\t/**\r\n\t * Returns text to show in a axis tooltip, based on specific position within\r\n\t * axis.\r\n\t *\r\n\t * The label will be formatted as per [[NumberFormatter]] set for the whole\r\n\t * chart, or explicitly for this Axis.\r\n\t *\r\n\t * @ignore Exclude from docs\r\n\t * @param position Position (px)\r\n\t * @return Label (numeric value)\r\n\t */\r\n\tpublic getTooltipText(position: number): string {\r\n\t\tlet value: number = $math.round(this.positionToValue(position), this._stepDecimalPlaces);\r\n\t\tlet valueStr = this.formatLabel(value, this.tooltipDurationFormat)\r\n\t\tif (!this._adapterO) {\r\n\t\t\treturn valueStr;\r\n\t\t}\r\n\t\telse {\r\n\t\t\treturn this._adapterO.apply(\"getTooltipText\", valueStr);\r\n\t\t}\r\n\t}\r\n\r\n\t/**\r\n\t * A base unit (granularity) of data.\r\n\t *\r\n\t * Used to indicate what are the base units of your data.\r\n\t *\r\n\t * Available options: \"millisecond\", \"second\" (default), \"minute\", \"hour\",\r\n\t * \"day\", \"week\", \"month\", \"year\".\r\n\t *\r\n\t * @default \"second\"\r\n\t * @param timeUnit\r\n\t */\r\n\tpublic set baseUnit(timeUnit: TimeUnit) {\r\n\t\tif (this._baseUnit != timeUnit) {\r\n\t\t\tthis._baseUnit = timeUnit;\r\n\t\t\tthis.durationFormatter.baseUnit = timeUnit;\r\n\t\t\tthis.invalidate();\r\n\t\t}\r\n\t}\r\n\r\n\t/**\r\n\t * @return Base unit\r\n\t */\r\n\tpublic get baseUnit(): TimeUnit {\r\n\t\treturn this._baseUnit;\r\n\t}\r\n\r\n\t/**\r\n\t * Copies all properties and related data from a different instance of Axis.\r\n\t *\r\n\t * @param source Source Axis\r\n\t */\r\n\tpublic copyFrom(source: this): void {\r\n\t\tsuper.copyFrom(source);\r\n\t\tthis.baseUnit = source.baseUnit;\r\n\t}\r\n}\r\n\r\n/**\r\n * Register class in system, so that it can be instantiated using its name from\r\n * anywhere.\r\n *\r\n * @ignore\r\n */\r\nregistry.registeredClasses[\"DurationAxis\"] = DurationAxis;\r\nregistry.registeredClasses[\"DurationAxisDataItem\"] = DurationAxisDataItem;\r\n"]} |