133 lines
3.6 KiB
Objective-C
133 lines
3.6 KiB
Objective-C
//
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// PNGradientView.m
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// Pods
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//
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// Created by Giuseppe Nucifora on 12/01/16.
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//
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//
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#import "PNGradientView.h"
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#import <RZDataBinding/RZDataBinding.h>
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@interface PNGradientView()
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@property (nonatomic, strong) CAGradientLayer *gradientLayer;
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@property (nonatomic, strong) NSMutableArray *colors;
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@property (nonatomic, strong) NSMutableArray *cgColors;
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@property (nonatomic) CGPoint startPoint;
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@property (nonatomic) BOOL didUpdateConstraints;
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@end
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@implementation PNGradientView
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- (instancetype) init {
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self = [super init];
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if (self) {
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_colors = [[NSMutableArray alloc] init];
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_cgColors = [[NSMutableArray alloc] init];
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[self rz_addTarget:self action:@selector(valueChanged:) forKeyPathChange:@"bounds"];
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}
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return self;
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}
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- (instancetype) initWithCoder:(NSCoder *)aDecoder {
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self = [super initWithCoder:aDecoder];
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if (self) {
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_colors = [[NSMutableArray alloc] init];
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_cgColors = [[NSMutableArray alloc] init];
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[self rz_addTarget:self action:@selector(valueChanged:) forKeyPathChange:@"bounds"];
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}
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return self;
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}
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- (instancetype) initWithFrame:(CGRect)frame {
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self = [super initWithFrame:frame];
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if (self) {
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_colors = [[NSMutableArray alloc] init];
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_cgColors = [[NSMutableArray alloc] init];
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[self rz_addTarget:self action:@selector(valueChanged:) forKeyPathChange:@"bounds"];
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}
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return self;
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}
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- (void) setBackgroundLayerWithColors:(NSArray *) colors startPoint:(CGPoint) startPoint {
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if (colors && [colors count] > 0) {
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_colors = [[NSMutableArray alloc] initWithArray:colors];
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[_cgColors removeAllObjects];
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for (UIColor *color in colors) {
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[_cgColors addObject:(id)color.CGColor];
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}
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_startPoint = startPoint;
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//[_gradientLayer removeFromSuperlayer];
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if (!_gradientLayer) {
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_gradientLayer = [CAGradientLayer layer];
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}
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_gradientLayer.colors = _cgColors;
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if (self.translatesAutoresizingMaskIntoConstraints) {
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[_gradientLayer setFrame:CGRectMake(0, 0, self.frame.size.width, self.frame.size.height)];
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}
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else {
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[_gradientLayer setFrame:self.bounds];
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}
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_gradientLayer.startPoint = _startPoint;
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if (!CGRectEqualToRect(_gradientLayer.frame, CGRectZero)) {
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[self.layer insertSublayer:_gradientLayer atIndex:0];
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}
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}
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else {
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[_gradientLayer removeFromSuperlayer];
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}
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}
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- (void) setFrame:(CGRect)frame {
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[super setFrame:frame];
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dispatch_async(dispatch_get_main_queue(), ^{
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if (_gradientLayer) {
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[self setBackgroundLayerWithColors:_colors startPoint:_startPoint];
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}
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});
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}
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- (void) setBounds:(CGRect)bounds {
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[super setBounds:bounds];
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dispatch_async(dispatch_get_main_queue(), ^{
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if (_gradientLayer) {
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[self setBackgroundLayerWithColors:_colors startPoint:_startPoint];
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}
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});
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}
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/*
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NSString* const kRZDBChangeKeyObject = @"RZDBChangeObject";
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NSString* const kRZDBChangeKeyOld = @"RZDBChangeOld";
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NSString* const kRZDBChangeKeyNew = @"RZDBChangeNew";
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NSString* const kRZDBChangeKeyKeyPath = @"RZDBChangeKeyPath";
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*/
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- (void) valueChanged:(NSDictionary *) value {
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if ([value objectForKey:kRZDBChangeKeyNew]) {
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if(_gradientLayer) {
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dispatch_async(dispatch_get_main_queue(), ^{
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[self setBackgroundLayerWithColors:_colors startPoint:_startPoint];
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});
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}
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}
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}
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@end
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