budibase/packages/standard-components/src/Chart/Step.svelte

130 lines
3.2 KiB
Svelte

<script>
import { getColorSchema, getChartGradient, notNull } from "./utils"
import britecharts from "britecharts"
import { onMount } from "svelte"
import { select } from "d3-selection"
import shortid from "shortid"
/*
ISSUES - Doesn't seem to allow color change. Chart is colored black by default
*/
const _id = shortid.generate()
export let _bb
export let table
let store = _bb.store
const chart = britecharts.step()
const chartClass = `step-container-${_id}`
const legendClass = `legend-container-${_id}`
let chartElement = null
let chartContainer = null
let tooltip
let tooltipContainer
export let customMouseOver = () => tooltip.show()
export let customMouseMove = (
dataPoint,
colorMapping,
xPosition,
yPosition = null
) => tooltip.update(dataPoint, colorMapping, xPosition, (yPosition = null))
export let customMouseOut = () => tooltip.hide()
export let data = []
export let height = null
export let width = null
export let margin = null
export let xAxisLabel = null
export let xAxisLabelOffset = null
export let yAxisLabel = null
export let yAxisLabelOffset = null
export let yTicks = null
export let useLegend = true
onMount(async () => {
if (chart) {
if (table) {
await fetchData()
}
chartContainer = select(`.${chartClass}`)
bindChartUIProps()
bindChartEvents()
chartContainer.datum(_data).call(chart)
bindChartTooltip()
}
})
async function fetchData() {
const FETCH_ROWS_URL = `/api/views/all_${table}`
const response = await _bb.api.get(FETCH_ROWS_URL)
if (response.status === 200) {
const json = await response.json()
store.update(state => {
state[table] = json
return state
})
} else {
throw new Error("Failed to fetch rows.", response)
}
}
function bindChartUIProps() {
if (notNull(height)) {
chart.height(height)
}
if (notNull(width)) {
chart.width(width)
}
if (notNull(margin)) {
chart.margin(margin)
}
if (notNull(xAxisLabel)) {
chart.xAxisLabel(xAxisLabel)
}
if (notNull(xAxisLabelOffset)) {
chart.xAxisLabelOffset(xAxisLabelOffset)
}
if (notNull(yAxisLabel)) {
chart.yAxisLabel(yAxisLabel)
}
if (notNull(yAxisLabelOffset)) {
chart.yAxisLabelOffset(yAxisLabelOffset)
}
if (notNull(yTicks)) {
chart.yTicks(yTicks)
}
}
function bindChartEvents() {
if (customMouseMove) {
chart.on("customMouseMove", customMouseMove)
}
if (customMouseOut) {
chart.on("customMouseOut", customMouseOut)
}
if (customMouseOver) {
chart.on("customMouseOver", customMouseOver)
}
}
function bindChartTooltip() {
tooltip = britecharts.miniTooltip()
tooltipContainer = select(`.${chartClass} .metadata-group`)
tooltipContainer.datum([]).call(tooltip)
}
$: _data = table ? $store[table] : data
$: colorSchema = getColorSchema(color)
</script>
<div bind:this={chartElement} class={chartClass} />
{#if useLegend}
<div class={legendClass} />
{/if}