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NAPinAnnotationView.m
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NAPinAnnotationView.m
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//
// NAPinAnnotationView.h
// NAMapKit
//
// Created by Neil Ang on 21/07/10.
// Copyright 2010 neilang.com. All rights reserved.
//
#import "NAPinAnnotationView.h"
#define NA_PIN_WIDTH 32.0f
#define NA_PIN_HEIGHT 39.0f
#define NA_PIN_POINT_X 8.0f
#define NA_PIN_POINT_Y 35.0f
@interface NAPinAnnotationView()
- (void)updatePosition;
@property (nonatomic, weak) NAMapView *mapView;
@end
@implementation NAPinAnnotationView
@synthesize annotation = _annotation;
@synthesize animating = _animating;
@synthesize mapView = _mapView;
- (id)initWithAnnotation:(NAAnnotation *)annotation onMapView:(NAMapView *)mapView {
self = [super initWithFrame:CGRectZero];
if (self) {
self.mapView = mapView;
self.annotation = annotation;
self.animating = NO;
[self updatePosition];
}
return self;
}
- (void)setAnimating:(BOOL)animating{
_animating = animating;
NSString *pinImage;
switch (self.annotation.color) {
case NAPinColorGreen:
pinImage = @"pinGreen";
break;
case NAPinColorPurple:
pinImage = @"pinPurple";
break;
case NAPinColorRed:
pinImage = @"pinRed";
break;
}
NSString * image = _animating ? [NSString stringWithFormat:@"%@Floating", pinImage] : pinImage;
[self setImage:[UIImage imageNamed:image] forState:UIControlStateNormal];
}
-(void)updatePosition{
CGPoint point = [self.mapView zoomRelativePoint:self.annotation.point];
point.x = point.x - NA_PIN_POINT_X;
point.y = point.y - NA_PIN_POINT_Y;
self.frame = CGRectMake(point.x, point.y, NA_PIN_WIDTH, NA_PIN_HEIGHT);
}
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
if ([keyPath isEqualToString:@"contentSize"]) {
[self updatePosition];
}
}
@end
#undef NA_PIN_WIDTH
#undef NA_PIN_HEIGHT
#undef NA_PIN_POINT_X
#undef NA_PIN_POINT_Y