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https://github.com/material-components/material-components-ios.git
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d0866fc6f0
ButtonBar, FlexibleHeader, HeaderStackView, and NavigationBar are all implementation details of AppBar. While these components can be used on their own, in practice we expect most typical usage to rely on AppBar. FlexibleHeader is a bit blurry in that there is often value in relying on it solely, but because it is not a true concept in the spec and its behavioral demos largely overlap with AppBar's, it is now a dragons demo. Pivotal story: https://www.pivotaltracker.com/story/show/156982162
104 lines
3.2 KiB
Objective-C
104 lines
3.2 KiB
Objective-C
/*
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Copyright 2016-present the Material Components for iOS authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#import <UIKit/UIKit.h>
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#import "MaterialButtonBar.h"
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#import "MaterialColorScheme.h"
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#import "MaterialButtonBar+ColorThemer.h"
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@interface ButtonBarTypicalUseExample : UIViewController
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@property(nonatomic, strong) MDCSemanticColorScheme *colorScheme;
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@end
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@implementation ButtonBarTypicalUseExample
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- (void)viewDidLoad {
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[super viewDidLoad];
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MDCButtonBar *buttonBar = [[MDCButtonBar alloc] init];
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// MDCButtonBar ignores the style of UIBarButtonItem.
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UIBarButtonItemStyle ignored = UIBarButtonItemStyleDone;
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UIBarButtonItem *actionItem =
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[[UIBarButtonItem alloc] initWithTitle:@"Action"
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style:ignored
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target:self
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action:@selector(didTapActionButton:)];
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UIBarButtonItem *secondActionItem =
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[[UIBarButtonItem alloc] initWithTitle:@"Second action"
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style:ignored
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target:self
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action:@selector(didTapActionButton:)];
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buttonBar.items = @[ actionItem, secondActionItem ];
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[MDCButtonBarColorThemer applySemanticColorScheme:self.colorScheme toButtonBar:buttonBar];
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// MDCButtonBar's sizeThatFits gives a "best-fit" size of the provided items.
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CGSize size = [buttonBar sizeThatFits:self.view.bounds.size];
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CGFloat x = (self.view.bounds.size.width - size.width) / 2;
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CGFloat y = self.view.bounds.size.height / 2 - size.height;
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buttonBar.frame = CGRectMake(x, y, size.width, size.height);
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buttonBar.autoresizingMask =
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(UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin |
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UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin);
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[self.view addSubview:buttonBar];
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// Ensure that the controller's view isn't transparent.
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self.view.backgroundColor = [UIColor colorWithWhite:0.9f alpha:1.0f];
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}
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#pragma mark - User actions
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- (void)didTapActionButton:(id)sender {
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NSLog(@"Did tap action item: %@", sender);
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}
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@end
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@implementation ButtonBarTypicalUseExample (CatalogByConvention)
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+ (NSArray *)catalogBreadcrumbs {
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return @[ @"Button Bar", @"Button Bar" ];
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}
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+ (BOOL)catalogIsPrimaryDemo {
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return YES;
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}
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+ (NSString *)catalogDescription {
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return @"The Button Bar is a view that represents a list of UIBarButtonItems as"
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" horizontally-aligned buttons.";
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}
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@end
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#pragma mark - Typical application code (not Material-specific)
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@implementation ButtonBarTypicalUseExample (GeneralApplicationLogic)
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- (id)init {
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self = [super init];
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if (self) {
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self.title = @"Button Bar";
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}
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return self;
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}
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@end
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