75d24c15
 yangbin
123
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
//
// BloodOxygenCell.swift
// Twear
//
// Created by yangbin on 2021/11/16.
//
import UIKit
import Charts
class BloodOxygenCell: UICollectionViewCell {
@IBOutlet weak var boValueLabel: UILabel!
@IBOutlet weak var dateLabel: UILabel!
@IBOutlet weak var noDataImageView: UIImageView!
@IBOutlet weak var lineChartView: LineChartView!
var boHistory: [BloodOxygenModel] = [] {
didSet {
let count = boHistory.count
if count == 0 {
boValueLabel.text = "--"
dateLabel.text = LocString("暂无数据")
noDataImageView.isHidden = false
lineChartView.isHidden = true
} else {
boValueLabel.text = "\(boHistory[count-1].value)"
dateLabel.text = boHistory[count-1].date!.toString(.custom("yyyy/MM/dd"))
updateChartView(boHistory)
noDataImageView.isHidden = true
lineChartView.isHidden = false
}
}
}
private func updateChartView(_ boHistory: [BloodOxygenModel]) {
setupChartView()
var dataEntries = [ChartDataEntry]()
for (i, bo) in boHistory.enumerated() {
dataEntries.append(ChartDataEntry(x: Double(i), y: Double(bo.value)))
}
if dataEntries.count == 1 {
dataEntries.append(ChartDataEntry(x: dataEntries[0].x+0.5, y: dataEntries[0].y))
}
let dataSet = LineChartDataSet(entries: dataEntries, label: nil)
dataSet.drawCirclesEnabled = false
dataSet.drawValuesEnabled = false
dataSet.mode = .horizontalBezier
dataSet.setDrawHighlightIndicators(false)
dataSet.setColor(UIColor.rgbColorFromHex(0xFF8F00))
dataSet.lineWidth = 1
dataSet.drawFilledEnabled = true
let gradientColors = [UIColor.rgbColorFromHex(0xFF9C1C).cgColor, UIColor.rgbColorFromHex(0xFFFFFF).cgColor]
let gradient = CGGradient(colorsSpace: nil, colors: gradientColors as CFArray, locations: [1.0, 0.0])
dataSet.fillAlpha = 1.0
dataSet.fill = Fill(linearGradient: gradient!, angle: 90)
lineChartView.data = LineChartData(dataSets: [dataSet])
}
func setupChartView() {
lineChartView.chartDescription?.enabled = false
lineChartView.legend.enabled = false
lineChartView.setScaleEnabled(false)
lineChartView.rightAxis.enabled = false
let leftAxis = lineChartView.leftAxis
leftAxis.axisMinimum = 50 //设置左侧Y轴最小值
leftAxis.axisMaximum = 100
leftAxis.granularity = 10
leftAxis.enabled = false
let xAxis = lineChartView.xAxis
xAxis.axisMinimum = 0
xAxis.axisMaximum = 30
xAxis.granularity = 1 //间隔
xAxis.enabled = false
}
override func awakeFromNib() {
super.awakeFromNib()
// Initialization code
}
}
|
