114 lines
3.8 KiB
Swift
114 lines
3.8 KiB
Swift
import SwiftUI
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import Charts
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/// 趋势列表的紧凑行:名称 + 条数/跨度 + mini sparkline + 最新值。
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struct TrendRow: View {
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let bucket: SeriesBucket
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private var allPoints: [SeriesBucket.Point] {
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bucket.lines.flatMap(\.points)
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}
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private var pointCount: Int { allPoints.count }
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private var anyLatestAbnormal: Bool {
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bucket.lines.contains { ($0.latestPoint?.status ?? .normal) != .normal }
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}
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var body: some View {
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HStack(spacing: 12) {
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VStack(alignment: .leading, spacing: 3) {
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Text(bucket.title)
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.font(.system(size: 15, weight: .semibold))
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.foregroundStyle(Tj.Palette.text)
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.lineLimit(1)
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Text(subtitle)
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.font(.system(size: 11))
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.foregroundStyle(Tj.Palette.text3)
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}
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Spacer(minLength: 8)
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sparkline
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.frame(width: 76, height: 34)
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VStack(alignment: .trailing, spacing: 2) {
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Text(latestValue)
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.font(.system(size: 14, weight: .semibold, design: .monospaced))
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.foregroundStyle(anyLatestAbnormal ? Tj.Palette.brick : Tj.Palette.text)
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.lineLimit(1)
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Text(bucket.unit)
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.font(.system(size: 9, design: .monospaced))
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.foregroundStyle(Tj.Palette.text3)
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}
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.fixedSize()
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Image(systemName: "chevron.right")
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.font(.system(size: 12, weight: .medium))
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.foregroundStyle(Tj.Palette.text3)
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}
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.padding(14)
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.frame(maxWidth: .infinity)
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.tjCard(bordered: true)
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}
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private var sparkline: some View {
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Chart {
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ForEach(bucket.lines) { line in
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ForEach(line.points) { p in
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LineMark(
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x: .value("t", p.date),
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y: .value(line.label ?? bucket.title, p.value),
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series: .value("s", line.id)
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)
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.foregroundStyle(line.color)
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.interpolationMethod(.catmullRom)
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.lineStyle(StrokeStyle(lineWidth: 1.6))
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}
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}
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// 最新点高亮
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ForEach(bucket.lines) { line in
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if let p = line.latestPoint {
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PointMark(
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x: .value("t", p.date),
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y: .value("v", p.value)
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)
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.foregroundStyle(p.status == .normal ? line.color : Tj.Palette.brick)
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.symbolSize(28)
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}
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}
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}
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.chartXAxis(.hidden)
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.chartYAxis(.hidden)
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.chartLegend(.hidden)
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}
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private var subtitle: String {
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"\(pointCount) 条 · 近 \(spanLabel)"
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}
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private var spanLabel: String {
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let dates = allPoints.map(\.date)
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guard let lo = dates.min(), let hi = dates.max() else { return "—" }
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let days = Calendar.current.dateComponents([.day], from: lo, to: hi).day ?? 0
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if days <= 0 { return String(appLoc: "今天") }
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if days < 30 { return String(appLoc: "\(days) 天") }
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if days < 365 { return String(appLoc: "\(days / 30) 个月") }
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return String(appLoc: "\(days / 365) 年")
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}
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private var latestValue: String {
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let parts = bucket.lines.compactMap { line -> String? in
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guard let p = line.latestPoint else { return nil }
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return formatValue(p.value)
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}
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return parts.joined(separator: "/")
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}
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private func formatValue(_ v: Double) -> String {
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v.truncatingRemainder(dividingBy: 1) == 0
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? String(format: "%.0f", v)
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: String(format: "%.1f", v)
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}
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}
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