/* |
File: AtomicElementFlippedView.m |
Abstract: Displays the Atomic Element information with a link to Wikipedia. |
Version: 1.12 |
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Copyright (C) 2013 Apple Inc. All Rights Reserved. |
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*/ |
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#import "AtomicElementView.h" |
#import "AtomicElement.h" |
#import "AtomicElementFlippedView.h" |
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@interface AtomicElementFlippedView () |
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@property (nonatomic,strong) UIButton *wikipediaButton; |
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@end |
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@implementation AtomicElementFlippedView |
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- (void)setupUserInterface { |
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CGRect buttonFrame = CGRectMake(10.0, 209.0, 234.0, 37.0); |
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// create the button |
self.wikipediaButton = [UIButton buttonWithType:UIButtonTypeRoundedRect]; |
self.wikipediaButton.frame=buttonFrame; |
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[self.wikipediaButton setTitle:@"View at Wikipedia" forState:UIControlStateNormal]; |
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// Center the text on the button, considering the button's shadow |
self.wikipediaButton.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter; |
self.wikipediaButton.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter; |
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[self.wikipediaButton addTarget:self action:@selector(jumpToWikipedia:) forControlEvents:UIControlEventTouchUpInside]; |
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[self addSubview:self.wikipediaButton]; |
} |
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- (id)initWithFrame:(CGRect)frame { |
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if (self = [super initWithFrame:frame]) { |
[self setAutoresizesSubviews:YES]; |
[self setupUserInterface]; |
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// set the background color of the view to clearn |
self.backgroundColor=[UIColor clearColor]; |
} |
return self; |
} |
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- (void)jumpToWikipedia:(id)sender { |
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// create the string that points to the correct Wikipedia page for the element name |
NSString *wikiPageString = [NSString stringWithFormat:@"http://en.wikipedia.org/wiki/%@", self.element.name]; |
if (![[UIApplication sharedApplication] openURL:[NSURL URLWithString:wikiPageString]]) |
{ |
// there was an error trying to open the URL. for the moment we'll simply ignore it. |
} |
} |
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- (void)drawRect:(CGRect)rect { |
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// get the background image for the state of the element |
// position it appropriately and draw the image |
// |
UIImage *backgroundImage = [self.element stateImageForAtomicElementView]; |
CGRect elementSymbolRectangle = CGRectMake(0, 0, [backgroundImage size].width, [backgroundImage size].height); |
[backgroundImage drawInRect:elementSymbolRectangle]; |
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// all the text is drawn in white |
[[UIColor whiteColor] set]; |
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// draw the element number |
UIFont *font = [UIFont boldSystemFontOfSize:32]; |
CGPoint point = CGPointMake(10,5); |
[[NSString stringWithFormat:@"%@", self.element.atomicNumber] drawAtPoint:point withFont:font]; |
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// draw the element symbol |
CGSize stringSize = [self.element.symbol sizeWithFont:font]; |
point = CGPointMake((self.bounds.size.width-stringSize.width-10),5); |
[self.element.symbol drawAtPoint:point withFont:font]; |
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// draw the element name |
font = [UIFont boldSystemFontOfSize:36]; |
stringSize = [self.element.name sizeWithFont:font]; |
point = CGPointMake((self.bounds.size.width-stringSize.width)/2,50); |
[self.element.name drawAtPoint:point withFont:font]; |
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float verticalStartingPoint = 95; |
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// draw the element weight |
font = [UIFont boldSystemFontOfSize:14]; |
NSString *atomicWeightString = [NSString stringWithFormat:@"Atomic Weight: %@", self.element.atomicWeight]; |
stringSize = [atomicWeightString sizeWithFont:font]; |
point = CGPointMake((self.bounds.size.width-stringSize.width)/2, verticalStartingPoint); |
[atomicWeightString drawAtPoint:point withFont:font]; |
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// draw the element state |
font = [UIFont boldSystemFontOfSize:14]; |
NSString *stateString=[NSString stringWithFormat:@"State: %@", self.element.state]; |
stringSize = [stateString sizeWithFont:font]; |
point = CGPointMake((self.bounds.size.width-stringSize.width)/2, verticalStartingPoint+20); |
[stateString drawAtPoint:point withFont:font]; |
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// draw the element period |
font = [UIFont boldSystemFontOfSize:14]; |
NSString *periodString = [NSString stringWithFormat:@"Period: %@", self.element.period]; |
stringSize = [periodString sizeWithFont:font]; |
point = CGPointMake((self.bounds.size.width-stringSize.width)/2, verticalStartingPoint+40); |
[periodString drawAtPoint:point withFont:font]; |
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// draw the element group |
font = [UIFont boldSystemFontOfSize:14]; |
NSString *groupString = [NSString stringWithFormat:@"Group: %@", self.element.group]; |
stringSize = [groupString sizeWithFont:font]; |
point = CGPointMake((self.bounds.size.width-stringSize.width)/2, verticalStartingPoint+60); |
[groupString drawAtPoint:point withFont:font]; |
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// draw the discovery year |
NSString *discoveryYearString = [NSString stringWithFormat:@"Discovered: %@", self.element.discoveryYear]; |
stringSize = [discoveryYearString sizeWithFont:font]; |
point = CGPointMake((self.bounds.size.width-stringSize.width)/2, verticalStartingPoint+80); |
[discoveryYearString drawAtPoint:point withFont:font]; |
} |
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@end |
