forked from kharrison/CodeExamples
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathLevelView.m
More file actions
133 lines (117 loc) · 4 KB
/
LevelView.m
File metadata and controls
133 lines (117 loc) · 4 KB
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
//
// LevelView.m
// Designable
//
// Created by Keith Harrison http://useyourloaf.com
// Copyright (c) 2015 Keith Harrison. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
#import "LevelView.h"
@interface LevelView ()
@property (nonatomic, strong) CAShapeLayer *barLayer;
@end
@implementation LevelView
- (void)setupDefaults {
if (self.barLayer == nil) {
self.barLayer = [CAShapeLayer layer];
[self.layer addSublayer:self.barLayer];
}
self.value = 1.0f;
self.threshold = 0.3f;
self.borderWidth = 2.0f;
self.borderColor = [UIColor blackColor];
self.fullColor = [UIColor greenColor];
self.emptyColor = [UIColor redColor];
}
- (instancetype)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self) {
[self setupDefaults];
}
return self;
}
- (instancetype)initWithCoder:(NSCoder *)coder
{
self = [super initWithCoder:coder];
if (self) {
[self setupDefaults];
}
return self;
}
- (void)layoutSubviews {
[super layoutSubviews];
[self updateLayerProperties];
}
- (void)setValue:(CGFloat)value {
if ((value >= 0.0) && (value <= 1.0)) {
_value = value;
[self updateLayerProperties];
}
}
- (void)setThreshold:(CGFloat)threshold {
if ((threshold >= 0.0) && (threshold <= 1.0)) {
_threshold = threshold;
[self updateLayerProperties];
}
}
- (void)setBorderWidth:(CGFloat)borderWidth {
if (borderWidth != _borderWidth) {
_borderWidth = borderWidth;
[self updateLayerProperties];
}
}
- (void)setBorderColor:(UIColor *)borderColor {
if (borderColor != _borderColor) {
_borderColor = borderColor;
[self updateLayerProperties];
}
}
- (void)setFullColor:(UIColor *)fullColor {
if (fullColor != _fullColor) {
_fullColor = fullColor;
[self updateLayerProperties];
}
}
- (void)setEmptyColor:(UIColor *)emptyColor {
if (emptyColor != _emptyColor) {
_emptyColor = emptyColor;
[self updateLayerProperties];
}
}
- (void)updateLayerProperties {
CGRect barRect = self.bounds;
barRect.size.width = self.bounds.size.width * self.value;
UIBezierPath *path = [UIBezierPath bezierPathWithRect:barRect];
self.barLayer.path = path.CGPath;
self.barLayer.fillColor = (self.value >= self.threshold) ? self.fullColor.CGColor : self.emptyColor.CGColor;
self.layer.borderWidth = self.borderWidth;
self.layer.borderColor = self.borderColor.CGColor;
self.layer.cornerRadius = 5.0f;
self.layer.masksToBounds = YES;
}
@end