| 1 | import type { TooltipComponentOption } from "echarts/components" |
| 2 | import type { CallbackDataParams, TopLevelFormatterParams } from "echarts/types/dist/shared" |
| 3 | |
| 4 | export const CHART_TOOLTIP_GLASS_BLUR_PX = 3 |
| 5 | |
| 6 | export type ChartTooltipBorder = "primary" | "black" |
| 7 | |
| 8 | export interface ChartTooltipTheme { |
| 9 | fgDefaultColor: string |
| 10 | fontFamily: string |
| 11 | primaryColor?: string |
| 12 | } |
| 13 | |
| 14 | export function chartTooltipThemeFromStyle(style: Record<string, string>): ChartTooltipTheme { |
| 15 | return { |
| 16 | fgDefaultColor: style["fg-default-color"], |
| 17 | fontFamily: style["font-family"], |
| 18 | primaryColor: style["primary-color"] |
| 19 | } |
| 20 | } |
| 21 | |
| 22 | export function getChartTooltipGlassExtraCss(): string { |
| 23 | const alpha = 0.8 |
| 24 | const rules = [ |
| 25 | `backdrop-filter: blur(${CHART_TOOLTIP_GLASS_BLUR_PX}px)`, |
| 26 | `-webkit-backdrop-filter: blur(${CHART_TOOLTIP_GLASS_BLUR_PX}px)`, |
| 27 | `background-color: rgba(var(--bg-default-color-rgb) / ${alpha}) !important`, |
| 28 | "border-radius: var(--border-radius)", |
| 29 | "box-shadow: 0 5px 10px -5px rgba(0,0,0,0.2), 0 5px 20px 0 rgba(0,0,0,0.2)", |
| 30 | "padding: 0", |
| 31 | "overflow: hidden" |
| 32 | ] |
| 33 | return rules.join("; ") |
| 34 | } |
| 35 | |
| 36 | export function buildChartTooltipGlassBase( |
| 37 | theme: ChartTooltipTheme, |
| 38 | options?: { trigger?: TooltipComponentOption["trigger"] } |
| 39 | ): Pick< |
| 40 | TooltipComponentOption, |
| 41 | "trigger" | "backgroundColor" | "borderColor" | "borderWidth" | "textStyle" | "extraCssText" |
| 42 | > { |
| 43 | return { |
| 44 | trigger: options?.trigger ?? "item", |
| 45 | backgroundColor: "transparent", |
| 46 | borderColor: "var(--border-color)", |
| 47 | borderWidth: 1, |
| 48 | textStyle: { |
| 49 | color: theme.fgDefaultColor, |
| 50 | fontSize: 12, |
| 51 | fontFamily: theme.fontFamily |
| 52 | }, |
| 53 | extraCssText: getChartTooltipGlassExtraCss() |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | export function resolveChartItemColor(color: CallbackDataParams["color"]): string { |
| 58 | return typeof color === "string" ? color : "#000000" |
| 59 | } |
| 60 | |
| 61 | export function resolveChartTooltipMarker(options: { |
| 62 | marker: CallbackDataParams["marker"] |
| 63 | color: CallbackDataParams["color"] |
| 64 | }): string { |
| 65 | if (typeof options.marker === "string") return options.marker |
| 66 | const fill = resolveChartItemColor(options.color) |
| 67 | return `<span style="display:inline-block;vertical-align:middle;width:10px;height:10px;border-radius:50%;background:${fill};"></span>` |
| 68 | } |
| 69 | |
| 70 | /** Tooltip a due sezioni con header (pallino + titolo) e corpo. */ |
| 71 | export function formatChartTooltipWithMarker(options: { |
| 72 | marker: CallbackDataParams["marker"] |
| 73 | color: CallbackDataParams["color"] |
| 74 | title: string |
| 75 | lines: string[] |
| 76 | }): string { |
| 77 | const dot = resolveChartTooltipMarker(options) |
| 78 | return ` |
| 79 | <div style="display:flex;align-items:center;gap:8px;background-color:var(--bg-default-color);padding: 4px 8px;"> |
| 80 | ${dot} ${options.title} |
| 81 | </div> |
| 82 | <div style="padding: 4px 8px;"> |
| 83 | ${options.lines.join("<br/>")} |
| 84 | </div>` |
| 85 | } |
| 86 | |
| 87 | export interface ChartTooltipPieFormatterOptions { |
| 88 | resolveColor?: (param: CallbackDataParams) => CallbackDataParams["color"] |
| 89 | } |
| 90 | |
| 91 | export function formatChartTooltipPieItem( |
| 92 | params: CallbackDataParams | CallbackDataParams[] | undefined, |
| 93 | options?: ChartTooltipPieFormatterOptions |
| 94 | ): string { |
| 95 | if (!params || Array.isArray(params)) return "" |
| 96 | const val = typeof params.value === "number" ? params.value : 0 |
| 97 | const pct = typeof params.percent === "number" ? params.percent : 0 |
| 98 | return formatChartTooltipWithMarker({ |
| 99 | marker: params.marker, |
| 100 | color: options?.resolveColor?.(params) ?? params.color, |
| 101 | title: params.name ?? "", |
| 102 | lines: [`<strong>${val}</strong> (${pct.toFixed(1)}%)`] |
| 103 | }) |
| 104 | } |
| 105 | |
| 106 | export interface ChartTooltipAxisFormatterOptions { |
| 107 | resolveColor?: (param: CallbackDataParams) => CallbackDataParams["color"] |
| 108 | } |
| 109 | |
| 110 | export function formatChartTooltipAxisFirst( |
| 111 | params: TopLevelFormatterParams, |
| 112 | options?: ChartTooltipAxisFormatterOptions |
| 113 | ): string { |
| 114 | if (!Array.isArray(params) || params.length === 0) return "" |
| 115 | const p = params[0] |
| 116 | const raw = Array.isArray(p.value) ? p.value[0] : p.value |
| 117 | const val = typeof raw === "number" ? raw : 0 |
| 118 | return formatChartTooltipWithMarker({ |
| 119 | marker: p.marker, |
| 120 | color: options?.resolveColor?.(p) ?? p.color, |
| 121 | title: p.name ?? "", |
| 122 | lines: [`<strong>${val}</strong>`] |
| 123 | }) |
| 124 | } |
| 125 | |
| 126 | export interface ChartTooltipTimeAxisFormatterOptions extends ChartTooltipAxisFormatterOptions { |
| 127 | formatTime?: (timestamp: number) => string |
| 128 | } |
| 129 | |
| 130 | export interface ChartTooltipAxisMultiSeriesRow { |
| 131 | marker: CallbackDataParams["marker"] |
| 132 | color: CallbackDataParams["color"] |
| 133 | label: string |
| 134 | valueHtml: string |
| 135 | } |
| 136 | |
| 137 | export interface ChartTooltipAxisMultiSeriesOptions { |
| 138 | /** Riga titolo senza marker (es. timestamp). */ |
| 139 | title: string |
| 140 | /** Colore testo titolo; default `var(--fg-secondary-color)`. */ |
| 141 | titleMutedColor?: string |
| 142 | rows: ChartTooltipAxisMultiSeriesRow[] |
| 143 | } |
| 144 | |
| 145 | /** Asse multi-serie: titolo in alto, sotto righe `marker + label + valore`. */ |
| 146 | export function formatChartTooltipAxisMultiSeries(options: ChartTooltipAxisMultiSeriesOptions): string { |
| 147 | const titleColor = options.titleMutedColor ?? "var(--fg-secondary-color)" |
| 148 | const rowsHtml = options.rows |
| 149 | .map(row => { |
| 150 | const marker = resolveChartTooltipMarker({ marker: row.marker, color: row.color }) |
| 151 | return `<div style="display:flex;align-items:center;gap:4px;line-height:1.5">${marker}<span>${row.label}: <b>${row.valueHtml}</b></span></div>` |
| 152 | }) |
| 153 | .join("") |
| 154 | return ` |
| 155 | <div style="font-size:11px;color:${titleColor};padding:4px 8px;background-color:var(--bg-default-color)">${options.title}</div> |
| 156 | <div style="padding:4px 8px">${rowsHtml}</div>` |
| 157 | } |
| 158 | |
| 159 | export function formatChartTooltipAxisMultiSeriesFromParams( |
| 160 | params: TopLevelFormatterParams, |
| 161 | options: { |
| 162 | formatTitle: (first: CallbackDataParams) => string |
| 163 | formatRow: (param: CallbackDataParams) => { label: string; valueHtml: string } |
| 164 | titleMutedColor?: string |
| 165 | } |
| 166 | ): string { |
| 167 | if (!Array.isArray(params) || params.length === 0) return "" |
| 168 | const first = params[0] |
| 169 | return formatChartTooltipAxisMultiSeries({ |
| 170 | title: options.formatTitle(first), |
| 171 | titleMutedColor: options.titleMutedColor, |
| 172 | rows: params.map(p => ({ |
| 173 | marker: p.marker, |
| 174 | color: p.color, |
| 175 | label: p.seriesName ?? "", |
| 176 | valueHtml: options.formatRow(p).valueHtml |
| 177 | })) |
| 178 | }) |
| 179 | } |
| 180 | |
| 181 | /** Sparkline / asse `time`: titolo = timestamp formattato, corpo = valore. */ |
| 182 | export function formatChartTooltipTimeAxisFirst( |
| 183 | params: TopLevelFormatterParams, |
| 184 | options?: ChartTooltipTimeAxisFormatterOptions |
| 185 | ): string { |
| 186 | if (!Array.isArray(params) || params.length === 0) return "" |
| 187 | const p = params[0] |
| 188 | const time = Array.isArray(p.value) && typeof p.value[0] === "number" ? p.value[0] : null |
| 189 | const raw = Array.isArray(p.value) ? p.value[1] : p.value |
| 190 | const val = typeof raw === "number" ? raw : Number(raw) || 0 |
| 191 | const timeLabel = time != null ? (options?.formatTime?.(time) ?? String(time)) : "" |
| 192 | return formatChartTooltipWithMarker({ |
| 193 | marker: p.marker, |
| 194 | color: options?.resolveColor?.(p) ?? p.color, |
| 195 | title: timeLabel, |
| 196 | lines: [`<strong>${val}</strong>`] |
| 197 | }) |
| 198 | } |