f2cf74c7
 yangbin
1.0.20(4)
|
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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
//
// RangeSliderView.swift
// Twear
//
// Created by yangbin on 2021/11/18.
//
import UIKit
struct SliderRange {
var index: Int = 0
var range: Range<CGFloat> = 0..<0.1
var stopX: CGFloat = 0
var value: Double = 0
}
protocol RangeSliderDelegate: NSObjectProtocol {
func sliderDidChanged(index: Int)
// func didClickInLabel(cell: ZCImageNewsTableCell, label: YYLabel, textRange: NSRange)
// func didClickInteractButton(cell: ZCImageNewsTableCell, sender: BadgeNumButton)
}
class RangeSliderView: UIView {
weak var delegate: RangeSliderDelegate?
@IBOutlet weak var leftConstraint: NSLayoutConstraint!
@IBOutlet weak var selectedView: UIButton!
private var startPointX: CGFloat = 0
private var endPointX: CGFloat = 0
private var scaleRanges: [SliderRange] = []
private var selectedIndex: Int = -1
private lazy var panGesture: UIPanGestureRecognizer = {
let pan = UIPanGestureRecognizer(target: self, action: #selector(sliderPanGestureChange(_:)))
return pan
}()
private lazy var tapGesture: UITapGestureRecognizer = {
let tap = UITapGestureRecognizer(target: self, action: #selector(sliderTapGestureChange(_:)))
return tap
}()
private var touchOffsetX: CGFloat = 0
override func awakeFromNib() {
super.awakeFromNib()
}
override init(frame: CGRect) {
super.init(frame: frame)
initFromNib()
setupUI()
}
required init?(coder: NSCoder) {
super.init(coder: coder)
initFromNib()
setupUI()
}
private func initFromNib() {
if let view = Bundle.main.loadNibNamed("RangeSliderView", owner: self, options: nil)?.first as? UIView {
view.frame = bounds
self.addSubview(view)
}
}
private func setupUI() {
touchOffsetX = selectedView.frame.size.width/2
selectedView.addGestureRecognizer(panGesture)
selectedView.addGestureRecognizer(tapGesture)
}
// func setDrawSpace1(startPointX: CGFloat, endPointX: CGFloat, count: Int, startPanX: CGFloat = 0, endPanX: CGFloat = 0, imageName: String = "slider_green") {
// selectedView.setImage(UIImage(named: imageName), for: .normal)
// selectedView.setImage(UIImage(named: imageName), for: .highlighted)
//// layoutIfNeeded()
// guard count > 0 else {
// return
// }
// let w = selectedView.frame.size.width/2
// self.startPointX = startPointX-w
// self.endPointX = endPointX-w
// var scale: CGFloat = 0.5
// var rangeLen: CGFloat = 0
// if count > 1 {
// rangeLen = (endPointX - startPointX) / CGFloat(count-1)
// scale = rangeLen/2.0
// }
//
// scaleRanges = []
//
// for i in 0..<count {
// var r = SliderRange()
// r.index = i
// r.range = startPointX-w+(CGFloat(i)*rangeLen)-scale..<startPointX-w+(CGFloat(i)*rangeLen)+scale
// r.stopX = startPointX+(CGFloat(i)*rangeLen)-w
// scaleRanges.append(r)
// }
// if startPanX != 0 && endPanX != 0 {
// setPanRange(start: startPanX-w-scale, end: endPanX-w+scale)
// }
//
//
//// 0 1 2 3 4
//// 10 80
// }
//
func setDrawSpace(startPointX: CGFloat, endPointX: CGFloat, range: ClosedRange<Int>, points: [Double], imageName: String, isLast: Bool = false) {
selectedView.setImage(UIImage(named: imageName), for: .normal)
selectedView.setImage(UIImage(named: imageName), for: .highlighted)
let w = selectedView.frame.size.width/2
scaleRanges = []
guard points.count > 0 else {
leftConstraint.constant = startPointX-w
return
}
let rangeValue = range.upperBound - range.lowerBound
let scaleLen: CGFloat = (endPointX - startPointX)/CGFloat(rangeValue)
if points.count == 1 {
let point = points[0]
var r = SliderRange()
r.stopX = startPointX-w+point*scaleLen
r.value = point
scaleRanges.append(r)
} else {
for (i, point) in points.enumerated() {
var r = SliderRange()
let stopX = startPointX-w+point*scaleLen
r.stopX = stopX
r.index = i
r.value = point
if point == points.first {
let firstScale = (points[1]-points[0])/2 * scaleLen
r.range = stopX-firstScale-20..<stopX+firstScale
self.startPointX = startPointX-w-firstScale-20
} else if point == points.last {
let lastScale = (points[i]-points[i-1])/2 * scaleLen
r.range = stopX-lastScale..<stopX+lastScale+20
self.endPointX = endPointX-w-lastScale+20
} else {
let preScale = (points[i]-points[i-1])/2 * scaleLen
let nextScale = (points[i+1]-points[i])/2 * scaleLen
r.range = stopX-preScale..<stopX+nextScale
}
scaleRanges.append(r)
}
}
if isLast {
didSelectedValue(points[points.count-1])
} else {
didSelectedValue(points[0])
}
}
func setPanRange(start: CGFloat, end: CGFloat) {
startPointX = start
endPointX = end
}
func selectedIndex(_ index: Int) {
for sRange in scaleRanges {
if sRange.index == index {
leftConstraint.constant = sRange.stopX
delegate?.sliderDidChanged(index: index)
}
}
}
func didSelectedValue(_ value: Double) {
for sRange in scaleRanges {
if sRange.value == value {
leftConstraint.constant = sRange.stopX
delegate?.sliderDidChanged(index: sRange.index)
}
}
}
@objc
private func sliderPanGestureChange(_ sender: UIPanGestureRecognizer) {
var offsetX = sender.location(in: self).x
if sender.state == .began {
touchOffsetX = offsetX - selectedView.frame.origin.x
}
offsetX = offsetX - touchOffsetX
if offsetX <= startPointX {
return
}
if offsetX >= endPointX {
return
}
for (i, sRange) in scaleRanges.enumerated() {
if sRange.range.contains(offsetX) && selectedIndex != i {
leftConstraint.constant = sRange.stopX
selectedIndex = i
delegate?.sliderDidChanged(index: i)
}
}
}
@objc
private func sliderTapGestureChange(_ sender: UITapGestureRecognizer) {
// print(sender.location(in: selectedView).x)
}
/*
// Only override draw() if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
override func draw(_ rect: CGRect) {
// Drawing code
}
*/
}
|
