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