More graph options

client/src/pages/dashboard/components/BoxDialContent.tsx

@@ -53,7 +53,7 @@ export const BoxDialContent = ({ box, data, refreshRef }: Props) => {
 				{value.data && (
 					<>
 						{displayValue}
-						{` ${data.unit}`}
+						{data.unit && ` ${data.unit}`}
 					</>
 				)}
 			</div>

client/src/pages/dashboard/components/BoxGraphContent.tsx

@@ -1,4 +1,6 @@
 import { getSensorValues } from '@/api/sensorValues'
+import { max } from '@/utils/max'
+import { min } from '@/utils/min'
 import { DashboardGraphData } from '@/utils/parseDashboard'
 import { RefObject } from 'preact'
 import { useEffect, useRef } from 'preact/hooks'
@@ -33,42 +35,58 @@ export const BoxGraphContent = ({ box, data, refreshRef }: Props) => {
 	}
 
 	useEffect(() => {
+		if (bodyRef.current && values.data) {
 			// TODO: These should be probably returned by server, could be outdated
 			const from = filter.customFrom
 			const to = filter.customTo
 			const minValue = parseFloat(data.min ?? '')
 			const maxValue = parseFloat(data.max ?? '')
-		const customRange = !isNaN(minValue) && !isNaN(maxValue)
+			const customRange = !isNaN(minValue) || !isNaN(maxValue)
+			const graphType = data.graphType ?? 'line'
+			const fill = data.fill ?? undefined
+			const colorMode = data.colorMode
+			const staticColor = data.staticColor
+
+			const x = values.data.map((v) => new Date(v.timestamp * 1000))
+			const y = values.data.map((v) => v.value)
 
-		if (bodyRef.current && values.data) {
 			window.Plotly.newPlot(
 				bodyRef.current,
 				[
 					{
-						...(data.graphType === 'line' && {
+						...(graphType === 'line' && {
 							type: 'scatter',
 							mode: 'lines',
+							fill,
 						}),
-						...(data.graphType === 'points' && {
+						...(graphType === 'points' && {
 							type: 'scatter',
 							mode: 'markers',
+							fill,
 						}),
-						...(data.graphType === 'lineAndPoints' && {
+						...(graphType === 'lineAndPoints' && {
 							type: 'scatter',
 							mode: 'lines+markers',
+							fill,
 						}),
-						...(data.graphType === 'bar' && { type: 'bar' }),
-						x: values.data.map((v) => new Date(v.timestamp * 1000)),
-						y: values.data.map((v) => v.value),
+						...(graphType === 'bar' && { type: 'bar' }),
+						x,
+						y,
 						line: {
 							width: 1,
+							...(colorMode === 'static' && { color: staticColor }),
 						},
 					},
 				],
 				{
 					xaxis: { range: [from, to], type: 'date' },
 					yaxis: {
-						...(customRange && { range: [minValue, maxValue] }),
+						...(customRange && {
+							range: [
+								isNaN(minValue) ? min(y) : minValue,
+								isNaN(maxValue) ? max(y) : maxValue,
+							],
+						}),
 						...(data.unit && { ticksuffix: ` ${data.unit}` }),
 					},
 					margin: {

client/src/pages/dashboard/components/BoxSettings/components/GraphSettings.tsx

@@ -1,3 +1,4 @@
+import { omit } from '@/utils/omit'
 import { DashboardGraphData } from '@/utils/parseDashboard'
 import { useEffect, useState } from 'preact/hooks'
 
@@ -8,10 +9,7 @@ type Props = {
 
 export const GraphSettings = ({ value, onChange }: Props) => {
 	const [formState, setFormState] = useState(() => ({
-		min: value?.min,
-		max: value?.max,
-		graphType: value?.graphType,
-		unit: value?.unit,
+		...(value && omit(value, ['type'])),
 	}))
 
 	const handleChange = (e: Event) => {
@@ -43,18 +41,67 @@ export const GraphSettings = ({ value, onChange }: Props) => {
 				</select>
 			</div>
 
+			<div className="input">
+				<label>Fill area</label>
+				<select
+					name="fill"
+					value={formState.fill || ''}
+					onChange={handleChange}
+				>
+					<option value="">None</option>
+					<option value="tozeroy">To zero</option>
+					<option value="tonexty">To next value</option>
+					<option value="toself">To self</option>
+				</select>
+			</div>
+
 			<div className="input">
 				<label>Unit</label>
 				<input name="unit" value={formState.unit} onChange={handleChange} />
 			</div>
 			<div className="input">
 				<label>Min value</label>
-				<input name="min" value={formState.min} onChange={handleChange} />
+				<input
+					type="number"
+					step="any"
+					name="min"
+					value={formState.min}
+					onChange={handleChange}
+				/>
 			</div>
 			<div className="input">
 				<label>Max value</label>
-				<input name="max" value={formState.max} onChange={handleChange} />
+				<input
+					type="number"
+					step="any"
+					name="max"
+					value={formState.max}
+					onChange={handleChange}
+				/>
 			</div>
+			<div className="input">
+				<label>Color mode</label>
+				<select
+					name="colorMode"
+					value={formState.colorMode ?? ''}
+					onChange={handleChange}
+				>
+					<option value="">None</option>
+					<option value="static">Static</option>
+				</select>
+			</div>
+
+			{formState.colorMode === 'static' && (
+				<div className="input">
+					<label>Max value</label>
+					<input
+						type="color"
+						name="staticColor"
+						value={formState.staticColor}
+						onChange={handleChange}
+					/>
+				</div>
+			)}
 		</>
 	)
 }

client/src/utils/max.ts

@@ -0,0 +1,2 @@
+export const max = (v: number[]) =>
+	v.reduce((acc, item) => (item > acc ? item : acc), 0)

client/src/utils/min.ts

@@ -0,0 +1,2 @@
+export const min = (v: number[]) =>
+	v.reduce((acc, item) => (item > acc ? item : acc), 0)

client/src/utils/omit.ts

@@ -0,0 +1,7 @@
+export const omit = <T, TOmitKeys extends keyof T>(v: T, keys: TOmitKeys[]) => {
+	const keysSet = new Set<string>(keys as string[])
+
+	return Object.fromEntries(
+		Object.entries(v).filter(([key]) => !keysSet.has(key))
+	) as Omit<T, TOmitKeys>
+}

client/src/utils/parseDashboard.ts

@@ -20,6 +20,16 @@ export type DashboardGraphData = {
 	max?: string
 	unit?: string
 	graphType?: string
+	fill?:
+		| 'none'
+		| 'tozeroy'
+		| 'tozerox'
+		| 'tonexty'
+		| 'tonextx'
+		| 'toself'
+		| 'tonext'
+	colorMode?: 'static'
+	staticColor?: string
 }
 
 export type DashboardDialData = {