feat(admin-web): make KOL dashboard trend chart responsive with tooltip

Chart now adapts to container size via useElementSize and adds a hover
tooltip with per-point overlay. Prevents grid/flex blowout with min-width
and layers the SVG absolutely inside its wrapper.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-04-23 15:25:52 +08:00
parent e04593f4af
commit ae0e4b0209
+124 -22
View File
@@ -1,7 +1,8 @@
<script setup lang="ts">
import { ref, computed, watch } from "vue";
import { ref, computed, watch, shallowRef } from "vue";
import { useQuery } from "@tanstack/vue-query";
import { useI18n } from "vue-i18n";
import { useElementSize } from "@vueuse/core";
import {
TeamOutlined,
UserAddOutlined,
@@ -93,36 +94,81 @@ const packageColumns: TableColumnsType<KolDashboardPackageStat> = [
];
// SVG Chart logic
const chartViewBox = "0 0 1000 300";
const chartPadding = { top: 20, right: 40, bottom: 40, left: 60 };
const chartWidth = 1000 - chartPadding.left - chartPadding.right;
const chartHeight = 300 - chartPadding.top - chartPadding.bottom;
const chartWrapperRef = ref<HTMLElement | null>(null);
const { width: wrapperWidth, height: wrapperHeight } = useElementSize(chartWrapperRef, { width: 1000, height: 300 });
const chartPaths = computed(() => {
const chartPadding = { top: 20, right: 40, bottom: 40, left: 60 };
const chartViewBox = computed(() => {
const w = Math.max(wrapperWidth.value, 1);
const h = Math.max(wrapperHeight.value, 1);
return `0 0 ${w} ${h}`;
});
const chartPoints = computed(() => {
const points = trendQuery.data.value || [];
if (points.length < 2) return { subscriptions: "", usages: "" };
if (points.length < 2) return [];
const maxVal = Math.max(
...points.map(p => Math.max(p.subscriptions, p.usages)),
1 // avoid division by zero
) * 1.1; // 10% headroom
const getX = (index: number) => chartPadding.left + (index / (points.length - 1)) * chartWidth;
const getY = (val: number) => chartPadding.top + chartHeight - (val / maxVal) * chartHeight;
const w = Math.max(wrapperWidth.value, 1);
const h = Math.max(wrapperHeight.value, 1);
const cWidth = Math.max(w - chartPadding.left - chartPadding.right, 1);
const cHeight = Math.max(h - chartPadding.top - chartPadding.bottom, 1);
let subPath = `M ${getX(0)} ${getY(points[0].subscriptions)}`;
let usagePath = `M ${getX(0)} ${getY(points[0].usages)}`;
const getX = (index: number) => chartPadding.left + (index / (points.length - 1)) * cWidth;
const getY = (val: number) => chartPadding.top + cHeight - (val / maxVal) * cHeight;
return points.map((p, i) => {
const x = getX(i);
let hoverX = 0;
let hoverWidth = 0;
if (i === 0) {
hoverX = chartPadding.left;
hoverWidth = (getX(1) - x) / 2;
} else if (i === points.length - 1) {
const prevX = getX(i - 1);
hoverX = prevX + (x - prevX) / 2;
hoverWidth = (x - prevX) / 2;
} else {
const prevX = getX(i - 1);
const nextX = getX(i + 1);
hoverX = prevX + (x - prevX) / 2;
hoverWidth = (x - prevX) / 2 + (nextX - x) / 2;
}
return {
...p,
x,
subY: getY(p.subscriptions),
useY: getY(p.usages),
hoverX,
hoverWidth,
};
});
});
const chartPaths = computed(() => {
const points = chartPoints.value;
if (points.length < 2) return { subscriptions: "", usages: "" };
let subPath = `M ${points[0].x} ${points[0].subY}`;
let usagePath = `M ${points[0].x} ${points[0].useY}`;
for (let i = 1; i < points.length; i++) {
subPath += ` L ${getX(i)} ${getY(points[i].subscriptions)}`;
usagePath += ` L ${getX(i)} ${getY(points[i].usages)}`;
subPath += ` L ${points[i].x} ${points[i].subY}`;
usagePath += ` L ${points[i].x} ${points[i].useY}`;
}
return { subscriptions: subPath, usages: usagePath };
});
const chartAxis = computed(() => {
const points = trendQuery.data.value || [];
const points = chartPoints.value;
if (points.length === 0) return [];
// Show at most 7 date labels
@@ -130,12 +176,12 @@ const chartAxis = computed(() => {
const labels = [];
for (let i = 0; i < points.length; i += step) {
labels.push({
x: chartPadding.left + (i / (points.length - 1)) * chartWidth,
x: points[i].x,
label: points[i].date.split("-").slice(1).join("/"), // MM/DD
});
if (i + step >= points.length && i !== points.length - 1) {
labels.push({
x: chartPadding.left + chartWidth,
x: points[points.length - 1].x,
label: points[points.length - 1].date.split("-").slice(1).join("/"),
});
}
@@ -143,6 +189,16 @@ const chartAxis = computed(() => {
return labels;
});
const activePoint = ref<any>(null);
function showTooltip(point: any) {
activePoint.value = point;
}
function hideTooltip() {
activePoint.value = null;
}
function refresh() {
void overviewQuery.refetch();
void packagesQuery.refetch();
@@ -222,19 +278,19 @@ function refresh() {
</div>
<div class="chart-container" v-if="!trendQuery.isPending.value">
<div v-if="trendQuery.data.value?.length" class="svg-chart-wrapper">
<div v-if="chartPoints.length > 0" class="svg-chart-wrapper" ref="chartWrapperRef" @mouseleave="hideTooltip">
<div class="chart-legend">
<div class="legend-item"><span class="dot sub"></span> 订阅</div>
<div class="legend-item"><span class="dot usage"></span> 使用</div>
</div>
<svg :viewBox="chartViewBox" class="svg-chart">
<svg :viewBox="chartViewBox" class="svg-chart" preserveAspectRatio="none">
<!-- Grid lines -->
<line
v-for="i in 5" :key="i"
:x1="chartPadding.left"
:y1="chartPadding.top + (chartHeight * (i-1) / 4)"
:x2="chartPadding.left + chartWidth"
:y2="chartPadding.top + (chartHeight * (i-1) / 4)"
:y1="chartPadding.top + (Math.max(wrapperHeight - chartPadding.top - chartPadding.bottom, 1) * (i-1) / 4)"
:x2="chartPadding.left + Math.max(wrapperWidth - chartPadding.left - chartPadding.right, 1)"
:y2="chartPadding.top + (Math.max(wrapperHeight - chartPadding.top - chartPadding.bottom, 1) * (i-1) / 4)"
stroke="#f0f0f0"
stroke-width="1"
/>
@@ -247,13 +303,50 @@ function refresh() {
<text
v-for="tick in chartAxis" :key="tick.x"
:x="tick.x"
:y="chartPadding.top + chartHeight + 20"
:y="chartPadding.top + Math.max(wrapperHeight - chartPadding.top - chartPadding.bottom, 1) + 20"
text-anchor="middle"
font-size="12"
fill="#8c8c8c"
>
{{ tick.label }}
</text>
<!-- Hover Interaction Areas -->
<rect
v-for="(point, i) in chartPoints"
:key="'hover-'+i"
:x="point.hoverX"
:y="chartPadding.top"
:width="point.hoverWidth"
:height="Math.max(wrapperHeight - chartPadding.top - chartPadding.bottom, 1)"
fill="transparent"
style="cursor: pointer;"
@mouseenter="showTooltip(point)"
/>
<!-- Tooltip Overlay -->
<g v-if="activePoint">
<!-- Vertical dashed line -->
<line
:x1="activePoint.x" :y1="chartPadding.top"
:x2="activePoint.x" :y2="chartPadding.top + Math.max(wrapperHeight - chartPadding.top - chartPadding.bottom, 1)"
stroke="#bfbfbf" stroke-width="1" stroke-dasharray="4 4"
/>
<!-- Dots on the line -->
<circle :cx="activePoint.x" :cy="activePoint.subY" r="4" fill="#1890ff" stroke="#fff" stroke-width="2" />
<circle :cx="activePoint.x" :cy="activePoint.useY" r="4" fill="#52c41a" stroke="#fff" stroke-width="2" />
<!-- Tooltip Panel -->
<g :transform="`translate(${activePoint.x > (wrapperWidth - 160) ? activePoint.x - 140 : activePoint.x + 15}, ${chartPadding.top + 20})`">
<rect x="0" y="0" width="125" height="75" fill="#ffffff" stroke="#e8e8e8" rx="4" style="filter: drop-shadow(0 2px 6px rgba(0,0,0,0.1));" />
<text x="12" y="22" font-size="12" font-weight="bold" fill="#8c8c8c">{{ activePoint.date }}</text>
<circle cx="16" cy="42" r="4" fill="#1890ff" />
<text x="28" y="46" font-size="12" fill="#1a1a1a">订阅: {{ activePoint.subscriptions }}</text>
<circle cx="16" cy="62" r="4" fill="#52c41a" />
<text x="28" y="66" font-size="12" fill="#1a1a1a">使用: {{ activePoint.usages }}</text>
</g>
</g>
</svg>
</div>
<a-empty v-else description="暂无趋势数据" />
@@ -349,6 +442,7 @@ function refresh() {
border-radius: 12px;
padding: 24px;
box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
min-width: 0; /* Add to prevent grid/flex blowout */
}
.panel-title {
margin: 0 0 20px 0;
@@ -383,16 +477,20 @@ function refresh() {
height: 320px;
display: flex;
flex-direction: column;
min-width: 0;
}
.svg-chart-wrapper {
flex: 1;
position: relative;
min-height: 0; /* Fix flex item height blowout */
}
.chart-legend {
display: flex;
justify-content: flex-end;
gap: 16px;
margin-bottom: 12px;
position: relative;
z-index: 10;
}
.legend-item {
font-size: 12px;
@@ -410,9 +508,13 @@ function refresh() {
.dot.usage { background: #52c41a; }
.svg-chart {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
overflow: visible;
z-index: 1;
}
.chart-skeleton {