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https://github.com/material-components/material-components-ios.git
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8eb7296dab
Making remaining examples use protocol for container schemes to match the project's expected convention. Found while reviewing #9188
125 lines
4.0 KiB
Objective-C
125 lines
4.0 KiB
Objective-C
// Copyright 2019-present the Material Components for iOS authors. All Rights Reserved.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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#import <CoreGraphics/CoreGraphics.h>
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#import <UIKit/UIKit.h>
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#import "MaterialContainerScheme.h"
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#import "MaterialPalettes.h"
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#import "MaterialProgressView.h"
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static const CGFloat kProgressViewHeight = 4;
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@interface ProgressViewPillExample : UIViewController
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@property(nonatomic, strong) UIView *container;
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@property(nonatomic, strong) MDCProgressView *progressView;
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@property(nonatomic, strong) UILabel *progressLabel;
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@property(nonatomic, strong) id<MDCContainerScheming> containerScheme;
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@end
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@implementation ProgressViewPillExample
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- (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
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self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
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if (self) {
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self.title = @"Progress View Pill";
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self.navigationItem.rightBarButtonItem =
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[[UIBarButtonItem alloc] initWithTitle:@"Advance"
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style:UIBarButtonItemStylePlain
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target:self
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action:@selector(didPressAdvanceButton:)];
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self.navigationItem.rightBarButtonItem.accessibilityIdentifier = @"advance_button";
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self.containerScheme = [[MDCContainerScheme alloc] init];
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}
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return self;
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}
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- (void)viewDidLoad {
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[super viewDidLoad];
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self.view.backgroundColor = self.containerScheme.colorScheme.backgroundColor;
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self.container = [[UIView alloc] initWithFrame:self.view.bounds];
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[self.view addSubview:self.container];
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_progressView = [[MDCProgressView alloc] init];
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_progressView.translatesAutoresizingMaskIntoConstraints = NO;
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[self.container addSubview:_progressView];
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_progressView.progress = (float)0.25;
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// Configure the "pill" effect.
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_progressView.cornerRadius = kProgressViewHeight / 2;
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[self setupConstraints];
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}
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- (void)didPressAdvanceButton:(UIButton *)sender {
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float advancedProgress = _progressView.progress + (float)0.25;
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if (advancedProgress > (float)1.0) {
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advancedProgress = (float)0.0;
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}
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[_progressView setProgress:advancedProgress animated:YES completion:nil];
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}
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- (void)viewDidLayoutSubviews {
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[super viewDidLayoutSubviews];
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self.container.frame = UIEdgeInsetsInsetRect(self.view.bounds, self.view.layoutMargins);
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}
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- (void)setupConstraints {
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NSDictionary *views = @{
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@"container" : _container,
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@"progressView" : _progressView,
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};
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NSDictionary *metrics = @{
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@"topMargin" : @20,
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@"horizontalMargin" : @0,
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@"progressViewHeight" : @(kProgressViewHeight),
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};
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[NSLayoutConstraint
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activateConstraints:
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[NSLayoutConstraint
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constraintsWithVisualFormat:@"V:|-(topMargin)-[progressView(==progressViewHeight)]"
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options:0
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metrics:metrics
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views:views]];
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[NSLayoutConstraint
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activateConstraints:[NSLayoutConstraint
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constraintsWithVisualFormat:
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@"H:|-(horizontalMargin)-[progressView]-(horizontalMargin)-|"
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options:0
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metrics:metrics
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views:views]];
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}
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#pragma mark - CatalogByConvention
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+ (NSDictionary *)catalogMetadata {
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return @{
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@"breadcrumbs" : @[ @"Progress View", @"Progress View Pill" ],
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@"presentable" : @YES,
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};
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}
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@end
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