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86 lines
2.8 KiB
Objective-C
86 lines
2.8 KiB
Objective-C
//
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// FAImageView.m
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//
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// Copyright (c) 2012 Alex Usbergo. All rights reserved.
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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//
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// An UIImageView with the support of displaying
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// a vectorial icon (by using the fontawesome iconic font)
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// if the image is missing
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#import "FAImageView.h"
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#import "UIFont+FontAwesome.h"
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@implementation FAImageView
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/* When the image is set to nil the defaultView will be added as subview,
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* otherwise it will be removed */
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- (void)setImage:(UIImage*)image
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{
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[super setImage:image];
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self.defaultView.hidden = (nil != image);
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}
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#pragma mark - Toggle the icon view
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/* Lazy initialization of the view */
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- (UILabel*)defaultView
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{
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if (nil != _defaultView)
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return _defaultView;
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//The size of the default view is the same of self
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_defaultView = [[UILabel alloc] initWithFrame:self.bounds];
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_defaultView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
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//The default icon is the ban icon
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[self setDefaultIcon:FABan];
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_defaultView.font = [UIFont fontAwesomeFontOfSize:self.bounds.size.height];
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_defaultView.textAlignment = NSTextAlignmentCenter;
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_defaultView.adjustsFontSizeToFitWidth = YES;
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//UIAppearance selectors
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_defaultView.textColor = [UIColor whiteColor];
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_defaultView.backgroundColor = [UIColor colorWithRed:.9f green:.9f blue:.9f alpha:1.f];
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//It starts hidden
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_defaultView.hidden = YES;
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[self addSubview:_defaultView];
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return _defaultView;
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}
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#pragma mark - Properties
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- (void)setDefaultIconIdentifier:(NSString*)defaultIconIdentifier
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{
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self.defaultIcon = [NSString fontAwesomeEnumForIconIdentifier:defaultIconIdentifier];
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}
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- (void)setDefaultIcon:(FAIcon)defaultIcon
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{
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_defaultIcon = defaultIcon;
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_defaultView.text = [NSString fontAwesomeIconStringForEnum:defaultIcon];
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}
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@end
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