72 lines
1.8 KiB
TypeScript
72 lines
1.8 KiB
TypeScript
import { onDeactivated, onUnmounted, ref } from "vue";
|
|
import type { Color, TooltipOptions } from "chart.js";
|
|
import * as os from "@/os";
|
|
import MkChartTooltip from "@/components/MkChartTooltip.vue";
|
|
|
|
interface ToolTipSerie {
|
|
backgroundColor: Color;
|
|
borderColor: Color;
|
|
text: string;
|
|
}
|
|
|
|
export function useChartTooltip(
|
|
opts: { position: "top" | "middle" } = { position: "top" },
|
|
) {
|
|
const tooltipShowing = ref(false);
|
|
const tooltipX = ref(0);
|
|
const tooltipY = ref(0);
|
|
const tooltipTitle = ref<string | null>(null);
|
|
const tooltipSeries = ref<ToolTipSerie[] | null>(null);
|
|
let disposeTooltipComponent: () => void;
|
|
|
|
os.popup(
|
|
MkChartTooltip,
|
|
{
|
|
showing: tooltipShowing,
|
|
x: tooltipX,
|
|
y: tooltipY,
|
|
title: tooltipTitle,
|
|
series: tooltipSeries,
|
|
},
|
|
{},
|
|
).then(({ dispose }) => {
|
|
disposeTooltipComponent = dispose;
|
|
});
|
|
|
|
onUnmounted(() => {
|
|
if (disposeTooltipComponent) disposeTooltipComponent();
|
|
});
|
|
|
|
onDeactivated(() => {
|
|
tooltipShowing.value = false;
|
|
});
|
|
|
|
const handler: TooltipOptions["external"] = (context) => {
|
|
if (context.tooltip.opacity === 0) {
|
|
tooltipShowing.value = false;
|
|
return;
|
|
}
|
|
|
|
tooltipTitle.value = context.tooltip.title[0];
|
|
tooltipSeries.value = context.tooltip.body.map((b, i) => ({
|
|
backgroundColor: context.tooltip.labelColors[i].backgroundColor,
|
|
borderColor: context.tooltip.labelColors[i].borderColor,
|
|
text: b.lines[0],
|
|
}));
|
|
|
|
const rect = context.chart.canvas.getBoundingClientRect();
|
|
|
|
tooltipShowing.value = true;
|
|
tooltipX.value = rect.left + window.scrollX + context.tooltip.caretX;
|
|
if (opts.position === "top") {
|
|
tooltipY.value = rect.top + window.scrollY;
|
|
} else if (opts.position === "middle") {
|
|
tooltipY.value = rect.top + window.scrollY + context.tooltip.caretY;
|
|
}
|
|
};
|
|
|
|
return {
|
|
handler,
|
|
};
|
|
}
|