budibase/packages/standard-components/src/charts/BarChart.svelte

81 lines
2.1 KiB
Svelte

<script>
import { ApexOptionsBuilder } from "./ApexOptionsBuilder"
import ApexChart from "./ApexChart.svelte"
export let title
export let dataProvider
export let labelColumn
export let valueColumns
export let xAxisLabel
export let yAxisLabel
export let height
export let width
export let color
export let dataLabels
export let animate
export let legend
export let stacked
export let yAxisUnits
export let palette
$: options = setUpChart(dataProvider)
const setUpChart = provider => {
const allCols = [labelColumn, ...(valueColumns || [null])]
if (!provider || allCols.find(x => x == null)) {
return null
}
// Fatch data
const { schema, rows } = provider
const reducer = row => (valid, column) => valid && row[column] != null
const hasAllColumns = row => allCols.reduce(reducer(row), true)
const data = rows.filter(row => hasAllColumns(row)).slice(0, 100)
if (!schema || !data.length) {
return null
}
// Initialise default chart
let builder = new ApexOptionsBuilder()
.type("bar")
.title(title)
.width(width)
.height(height)
.xLabel(xAxisLabel)
.yLabel(yAxisLabel)
.dataLabels(dataLabels)
.animate(animate)
.legend(legend)
.stacked(stacked)
.yUnits(yAxisUnits)
.palette(palette)
// Add data
let useDates = false
if (schema[labelColumn]) {
const labelFieldType = schema[labelColumn].type
builder = builder.xType(labelFieldType)
useDates = labelFieldType === "datetime"
}
const series = valueColumns.map(column => ({
name: column,
data: data.map(row => {
if (!useDates) {
return row[column]
} else {
return [row[labelColumn], row[column]]
}
}),
}))
builder = builder.series(series)
if (!useDates) {
builder = builder.categories(data.map(row => row[labelColumn]))
}
// Build chart options
return builder.getOptions()
}
</script>
<ApexChart {options} />