components/Buttons/examples/ButtonsContentEdgeInsetsExample.m

// Copyright 2017-present the Material Components for iOS authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#import <UIKit/UIKit.h>

#import "MaterialButtons+Theming.h"
#import "MaterialButtons.h"
#import "MaterialContainerScheme.h"

@interface ButtonsContentEdgeInsetsExample : UIViewController
@property(weak, nonatomic) IBOutlet MDCButton *textButton;
@property(weak, nonatomic) IBOutlet MDCButton *containedButton;
@property(weak, nonatomic) IBOutlet MDCFloatingButton *floatingActionButton;
@property(weak, nonatomic) IBOutlet UISwitch *inkBoundingSwitch;
@property(strong, nonatomic) id<MDCContainerScheming> containerScheme;
@end

@implementation ButtonsContentEdgeInsetsExample

#pragma mark - Catalog by Convention

+ (NSDictionary *)catalogMetadata {
  return @{
    @"breadcrumbs" : @[ @"Buttons", @"Buttons (Content Edge Insets)" ],
    @"primaryDemo" : @NO,
    @"presentable" : @NO,
    @"storyboardName" : @"ButtonsContentEdgeInsets",
  };
}

#pragma mark - UIViewController

- (instancetype)initWithCoder:(NSCoder *)coder {
  self = [super initWithCoder:coder];
  if (self) {
    [self commonButtonContentEdgeInsetsExampleInitializer];
  }
  return self;
}

- (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
  self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
  if (self) {
    [self commonButtonContentEdgeInsetsExampleInitializer];
  }
  return self;
}

- (void)commonButtonContentEdgeInsetsExampleInitializer {
  _containerScheme = [[MDCContainerScheme alloc] init];
}

- (void)viewDidLoad {
  [super viewDidLoad];

  [self.textButton applyTextThemeWithScheme:self.containerScheme];
  [self.containedButton applyContainedThemeWithScheme:[self containerScheme]];

  self.textButton.contentEdgeInsets = UIEdgeInsetsMake(64, 64, 0, 0);
  self.containedButton.contentEdgeInsets = UIEdgeInsetsMake(0, 0, 64, 64);
  [self.floatingActionButton setContentEdgeInsets:UIEdgeInsetsMake(40, 40, 0, 0)
                                         forShape:MDCFloatingButtonShapeDefault
                                           inMode:MDCFloatingButtonModeNormal];
  self.floatingActionButton.accessibilityLabel = @"Floating button";

  [self updateInkStyle:self.inkBoundingSwitch.isOn ? MDCInkStyleBounded : MDCInkStyleUnbounded];
}

- (void)updateInkStyle:(MDCInkStyle)inkStyle {
  self.textButton.inkStyle = inkStyle;
  self.containedButton.inkStyle = inkStyle;
  self.floatingActionButton.inkStyle = inkStyle;
}

- (IBAction)didChangeInkStyle:(UISwitch *)sender {
  [self updateInkStyle:sender.isOn ? MDCInkStyleBounded : MDCInkStyleUnbounded];
}

@end