| Current File : /home/tradevaly/www/node_modules/apexcharts/src/modules/Theme.js |
import Utils from '../utils/Utils'
/**
* ApexCharts Theme Class for setting the colors and palettes.
*
* @module Theme
**/
export default class Theme {
constructor(ctx) {
this.ctx = ctx
this.colors = []
this.w = ctx.w
const w = this.w
this.isColorFn = false
this.isHeatmapDistributed =
(w.config.chart.type === 'treemap' &&
w.config.plotOptions.treemap.distributed) ||
(w.config.chart.type === 'heatmap' &&
w.config.plotOptions.heatmap.distributed)
this.isBarDistributed =
w.config.plotOptions.bar.distributed &&
(w.config.chart.type === 'bar' || w.config.chart.type === 'rangeBar')
}
init() {
this.setDefaultColors()
}
setDefaultColors() {
let w = this.w
let utils = new Utils()
w.globals.dom.elWrap.classList.add(
`apexcharts-theme-${w.config.theme.mode}`
)
if (w.config.colors === undefined) {
w.globals.colors = this.predefined()
} else {
w.globals.colors = w.config.colors
// if user provided a function in colors, we need to eval here
if (
Array.isArray(w.config.colors) &&
w.config.colors.length > 0 &&
typeof w.config.colors[0] === 'function'
) {
w.globals.colors = w.config.series.map((s, i) => {
let c = w.config.colors[i]
if (!c) c = w.config.colors[0]
if (typeof c === 'function') {
this.isColorFn = true
return c({
value: w.globals.axisCharts
? w.globals.series[i][0]
? w.globals.series[i][0]
: 0
: w.globals.series[i],
seriesIndex: i,
dataPointIndex: i,
w
})
}
return c
})
}
}
// user defined colors in series array
w.globals.seriesColors.map((c, i) => {
if (c) {
w.globals.colors[i] = c
}
})
if (w.config.theme.monochrome.enabled) {
let monoArr = []
let glsCnt = w.globals.series.length
if (this.isBarDistributed || this.isHeatmapDistributed) {
glsCnt = w.globals.series[0].length * w.globals.series.length
}
let mainColor = w.config.theme.monochrome.color
let part = 1 / (glsCnt / w.config.theme.monochrome.shadeIntensity)
let shade = w.config.theme.monochrome.shadeTo
let percent = 0
for (let gsl = 0; gsl < glsCnt; gsl++) {
let newColor
if (shade === 'dark') {
newColor = utils.shadeColor(percent * -1, mainColor)
percent = percent + part
} else {
newColor = utils.shadeColor(percent, mainColor)
percent = percent + part
}
monoArr.push(newColor)
}
w.globals.colors = monoArr.slice()
}
const defaultColors = w.globals.colors.slice()
// if user specified fewer colors than no. of series, push the same colors again
this.pushExtraColors(w.globals.colors)
const colorTypes = ['fill', 'stroke']
colorTypes.forEach((c) => {
if (w.config[c].colors === undefined) {
w.globals[c].colors = this.isColorFn ? w.config.colors : defaultColors
} else {
w.globals[c].colors = w.config[c].colors.slice()
}
this.pushExtraColors(w.globals[c].colors)
})
if (w.config.dataLabels.style.colors === undefined) {
w.globals.dataLabels.style.colors = defaultColors
} else {
w.globals.dataLabels.style.colors = w.config.dataLabels.style.colors.slice()
}
this.pushExtraColors(w.globals.dataLabels.style.colors, 50)
if (w.config.plotOptions.radar.polygons.fill.colors === undefined) {
w.globals.radarPolygons.fill.colors = [
w.config.theme.mode === 'dark' ? '#424242' : 'none'
]
} else {
w.globals.radarPolygons.fill.colors = w.config.plotOptions.radar.polygons.fill.colors.slice()
}
this.pushExtraColors(w.globals.radarPolygons.fill.colors, 20)
// The point colors
if (w.config.markers.colors === undefined) {
w.globals.markers.colors = defaultColors
} else {
w.globals.markers.colors = w.config.markers.colors.slice()
}
this.pushExtraColors(w.globals.markers.colors)
}
// When the number of colors provided is less than the number of series, this method
// will push same colors to the list
// params:
// distributed is only valid for distributed column/bar charts
pushExtraColors(colorSeries, length, distributed = null) {
let w = this.w
let len = length || w.globals.series.length
if (distributed === null) {
distributed =
this.isBarDistributed ||
this.isHeatmapDistributed ||
(w.config.chart.type === 'heatmap' &&
w.config.plotOptions.heatmap.colorScale.inverse)
}
if (distributed && w.globals.series.length) {
len =
w.globals.series[w.globals.maxValsInArrayIndex].length *
w.globals.series.length
}
if (colorSeries.length < len) {
let diff = len - colorSeries.length
for (let i = 0; i < diff; i++) {
colorSeries.push(colorSeries[i])
}
}
}
updateThemeOptions(options) {
options.chart = options.chart || {}
options.tooltip = options.tooltip || {}
const mode = options.theme.mode || 'light'
const palette = options.theme.palette
? options.theme.palette
: mode === 'dark'
? 'palette4'
: 'palette1'
const foreColor = options.chart.foreColor
? options.chart.foreColor
: mode === 'dark'
? '#f6f7f8'
: '#373d3f'
options.tooltip.theme = mode
options.chart.foreColor = foreColor
options.theme.palette = palette
return options
}
predefined() {
let palette = this.w.config.theme.palette
// D6E3F8, FCEFEF, DCE0D9, A5978B, EDDDD4, D6E3F8, FEF5EF
switch (palette) {
case 'palette1':
this.colors = ['#008FFB', '#00E396', '#FEB019', '#FF4560', '#775DD0']
break
case 'palette2':
this.colors = ['#3f51b5', '#03a9f4', '#4caf50', '#f9ce1d', '#FF9800']
break
case 'palette3':
this.colors = ['#33b2df', '#546E7A', '#d4526e', '#13d8aa', '#A5978B']
break
case 'palette4':
this.colors = ['#4ecdc4', '#c7f464', '#81D4FA', '#fd6a6a', '#546E7A']
break
case 'palette5':
this.colors = ['#2b908f', '#f9a3a4', '#90ee7e', '#fa4443', '#69d2e7']
break
case 'palette6':
this.colors = ['#449DD1', '#F86624', '#EA3546', '#662E9B', '#C5D86D']
break
case 'palette7':
this.colors = ['#D7263D', '#1B998B', '#2E294E', '#F46036', '#E2C044']
break
case 'palette8':
this.colors = ['#662E9B', '#F86624', '#F9C80E', '#EA3546', '#43BCCD']
break
case 'palette9':
this.colors = ['#5C4742', '#A5978B', '#8D5B4C', '#5A2A27', '#C4BBAF']
break
case 'palette10':
this.colors = ['#A300D6', '#7D02EB', '#5653FE', '#2983FF', '#00B1F2']
break
default:
this.colors = ['#008FFB', '#00E396', '#FEB019', '#FF4560', '#775DD0']
break
}
return this.colors
}
}