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import Utils from './../../utils/Utils'
export default class Globals {
initGlobalVars(gl) {
gl.series = [] // the MAIN series array (y values)
gl.seriesCandleO = []
gl.seriesCandleH = []
gl.seriesCandleM = []
gl.seriesCandleL = []
gl.seriesCandleC = []
gl.seriesRangeStart = []
gl.seriesRangeEnd = []
gl.seriesRangeBarTimeline = []
gl.seriesPercent = []
gl.seriesGoals = []
gl.seriesX = []
gl.seriesZ = []
gl.seriesNames = []
gl.seriesTotals = []
gl.seriesLog = []
gl.seriesColors = []
gl.stackedSeriesTotals = []
gl.seriesXvalues = [] // we will need this in tooltip (it's x position)
// when we will have unequal x values, we will need
// some way to get x value depending on mouse pointer
gl.seriesYvalues = [] // we will need this when deciding which series
// user hovered on
gl.labels = []
gl.categoryLabels = []
gl.timescaleLabels = []
gl.noLabelsProvided = false
gl.resizeTimer = null
gl.selectionResizeTimer = null
gl.delayedElements = []
gl.pointsArray = []
gl.dataLabelsRects = []
gl.isXNumeric = false
gl.xaxisLabelsCount = 0
gl.skipLastTimelinelabel = false
gl.skipFirstTimelinelabel = false
gl.isDataXYZ = false
gl.isMultiLineX = false
gl.isMultipleYAxis = false
gl.maxY = -Number.MAX_VALUE
gl.minY = Number.MIN_VALUE
gl.minYArr = []
gl.maxYArr = []
gl.maxX = -Number.MAX_VALUE
gl.minX = Number.MAX_VALUE
gl.initialMaxX = -Number.MAX_VALUE
gl.initialMinX = Number.MAX_VALUE
gl.maxDate = 0
gl.minDate = Number.MAX_VALUE
gl.minZ = Number.MAX_VALUE
gl.maxZ = -Number.MAX_VALUE
gl.minXDiff = Number.MAX_VALUE
gl.yAxisScale = []
gl.xAxisScale = null
gl.xAxisTicksPositions = []
gl.yLabelsCoords = []
gl.yTitleCoords = []
gl.barPadForNumericAxis = 0
gl.padHorizontal = 0
gl.xRange = 0
gl.yRange = []
gl.zRange = 0
gl.dataPoints = 0
gl.xTickAmount = 0
}
globalVars(config) {
return {
chartID: null, // chart ID - apexcharts-cuid
cuid: null, // chart ID - random numbers excluding "apexcharts" part
events: {
beforeMount: [],
mounted: [],
updated: [],
clicked: [],
selection: [],
dataPointSelection: [],
zoomed: [],
scrolled: []
},
colors: [],
clientX: null,
clientY: null,
fill: {
colors: []
},
stroke: {
colors: []
},
dataLabels: {
style: {
colors: []
}
},
radarPolygons: {
fill: {
colors: []
}
},
markers: {
colors: [],
size: config.markers.size,
largestSize: 0
},
animationEnded: false,
isTouchDevice: 'ontouchstart' in window || navigator.msMaxTouchPoints,
isDirty: false, // chart has been updated after the initial render. This is different than dataChanged property. isDirty means user manually called some method to update
isExecCalled: false, // whether user updated the chart through the exec method
initialConfig: null, // we will store the first config user has set to go back when user finishes interactions like zooming and come out of it
initialSeries: [],
lastXAxis: [],
lastYAxis: [],
columnSeries: null,
labels: [], // store the text to draw on x axis
// Don't mutate the labels, many things including tooltips depends on it!
timescaleLabels: [], // store the timescaleLabels Labels in another variable
noLabelsProvided: false, // if user didn't provide any categories/labels or x values, fallback to 1,2,3,4...
allSeriesCollapsed: false,
collapsedSeries: [], // when user collapses a series, it goes into this array
collapsedSeriesIndices: [], // this stores the index of the collapsedSeries instead of whole object for quick access
ancillaryCollapsedSeries: [], // when user collapses an "alwaysVisible" series, it goes into this array
ancillaryCollapsedSeriesIndices: [], // this stores the index of the ancillaryCollapsedSeries whose y-axis is always visible
risingSeries: [], // when user re-opens a collapsed series, it goes here
dataFormatXNumeric: false, // boolean value to indicate user has passed numeric x values
capturedSeriesIndex: -1,
capturedDataPointIndex: -1,
selectedDataPoints: [],
goldenPadding: 35, // this value is used at a lot of places for spacing purpose
invalidLogScale: false, // if a user enabled log scale but the data provided is not valid to generate a log scale, turn on this flag
ignoreYAxisIndexes: [], // when series are being collapsed in multiple y axes, ignore certain index
yAxisSameScaleIndices: [],
maxValsInArrayIndex: 0,
radialSize: 0,
selection: undefined,
zoomEnabled:
config.chart.toolbar.autoSelected === 'zoom' &&
config.chart.toolbar.tools.zoom &&
config.chart.zoom.enabled,
panEnabled:
config.chart.toolbar.autoSelected === 'pan' &&
config.chart.toolbar.tools.pan,
selectionEnabled:
config.chart.toolbar.autoSelected === 'selection' &&
config.chart.toolbar.tools.selection,
yaxis: null,
mousedown: false,
lastClientPosition: {}, // don't reset this variable this the chart is destroyed. It is used to detect right or left mousemove in panning
visibleXRange: undefined,
yValueDecimal: 0, // are there floating numbers in the series. If yes, this represent the len of the decimals
total: 0,
SVGNS: 'http://www.w3.org/2000/svg', // svg namespace
svgWidth: 0, // the whole svg width
svgHeight: 0, // the whole svg height
noData: false, // whether there is any data to display or not
locale: {}, // the current locale values will be preserved here for global access
dom: {}, // for storing all dom nodes in this particular property
memory: {
methodsToExec: []
},
shouldAnimate: true,
skipLastTimelinelabel: false, // when last label is cropped, skip drawing it
skipFirstTimelinelabel: false, // when first label is cropped, skip drawing it
delayedElements: [], // element which appear after animation has finished
axisCharts: true, // chart type = line or area or bar
// (refer them also as plot charts in the code)
isDataXYZ: false, // bool: data was provided in a {[x,y,z]} pattern
resized: false, // bool: user has resized
resizeTimer: null, // timeout function to make a small delay before
// drawing when user resized
comboCharts: false, // bool: whether it's a combination of line/column
dataChanged: false, // bool: has data changed dynamically
previousPaths: [], // array: when data is changed, it will animate from
// previous paths
allSeriesHasEqualX: true,
pointsArray: [], // store the points positions here to draw later on hover
// format is - [[x,y],[x,y]... [x,y]]
dataLabelsRects: [], // store the positions of datalabels to prevent collision
lastDrawnDataLabelsIndexes: [],
hasNullValues: false, // bool: whether series contains null values
easing: null, // function: animation effect to apply
zoomed: false, // whether user has zoomed or not
gridWidth: 0, // drawable width of actual graphs (series paths)
gridHeight: 0, // drawable height of actual graphs (series paths)
rotateXLabels: false,
defaultLabels: false,
xLabelFormatter: undefined, // formatter for x axis labels
yLabelFormatters: [],
xaxisTooltipFormatter: undefined, // formatter for x axis tooltip
ttKeyFormatter: undefined,
ttVal: undefined,
ttZFormatter: undefined,
LINE_HEIGHT_RATIO: 1.618,
xAxisLabelsHeight: 0,
xAxisLabelsWidth: 0,
yAxisLabelsWidth: 0,
scaleX: 1,
scaleY: 1,
translateX: 0,
translateY: 0,
translateYAxisX: [],
yAxisWidths: [],
translateXAxisY: 0,
translateXAxisX: 0,
tooltip: null
}
}
init(config) {
let globals = this.globalVars(config)
this.initGlobalVars(globals)
globals.initialConfig = Utils.extend({}, config)
globals.initialSeries = Utils.clone(config.series)
globals.lastXAxis = Utils.clone(globals.initialConfig.xaxis)
globals.lastYAxis = Utils.clone(globals.initialConfig.yaxis)
return globals
}
}