material-components_material-components-ios/components/Typography/examples/TypographyMaterialStylesViewController.m

/*
 Copyright 2015-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 "TypographyMaterialStylesViewController.h"

#import "MaterialTypography.h"

@implementation TypographyMaterialStyleViewController {
  NSArray<NSString *> *_strings;
  NSArray<NSString *> *_styleNames;
  NSArray<UIFont *> *_styleFonts;
}

- (void)viewDidLoad {
  [super viewDidLoad];

  self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;

  self.tableView.rowHeight = UITableViewAutomaticDimension;
  self.tableView.estimatedRowHeight = 50.0;

  _strings = @[
               @"Material Design Components",
               @"A quick brown fox jumped over the lazy dog.",
               @"ABCDEFGHIJKLMNOPQRSTUVWXYZ",
               @"abcdefghijklmnopqrstuvwxyz",
               @"1234567890",
               @"!@#$%^&*()-=_+[]\\;',./<>?:\""
               ];

  _styleNames = @[
                  // Common UI fonts.
                  @"Headline Font",
                  @"Headline Font (Dynamic Type-enabled)",
                  @"Title Font",
                  @"Title Font (Dynamic Type-enabled)",
                  @"Subhead Font",
                  @"Subhead Font (Dynamic Type-enabled)",
                  @"Body 2 Font",
                  @"Body 2 Font (Dynamic Type-enabled)",
                  @"Body 1 Font",
                  @"Body 1 Font (Dynamic Type-enabled)",
                  @"Caption Font",
                  @"Caption Font (Dynamic Type-enabled)",
                  @"Button Font",
                  @"Button Font (Dynamic Type-enabled)",

                  // Display fonts (extra large fonts)
                  @"Display 1 Font",
                  @"Display 1 Font (Dynamic Type-enabled)",
                  @"Display 2 Font",
                  @"Display 2 Font (Dynamic Type-enabled)",
                  @"Display 3 Font",
                  @"Display 3 Font (Dynamic Type-enabled)",
                  @"Display 4 Font",
                  @"Display 4 Font (Dynamic Type-enabled)"
                  ];

  _styleFonts = @[
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleHeadline],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleHeadline],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleTitle],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleTitle],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleSubheadline],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleSubheadline],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleBody2],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleBody2],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleBody1],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleBody1],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleCaption],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleCaption],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleButton],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleButton],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleDisplay1],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleDisplay1],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleDisplay2],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleDisplay2],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleDisplay3],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleDisplay3],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleDisplay4],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleDisplay4]
                  ];

  [[NSNotificationCenter defaultCenter] addObserver:self
                                           selector:@selector(contentSizeCategoryDidChange:)
                                               name:UIContentSizeCategoryDidChangeNotification
                                             object:nil];

  /*
  UIKIT_EXTERN const CGFloat UIFontWeightUltraLight NS_AVAILABLE_IOS(8_2);
  UIKIT_EXTERN const CGFloat UIFontWeightThin NS_AVAILABLE_IOS(8_2);
  UIKIT_EXTERN const CGFloat UIFontWeightLight NS_AVAILABLE_IOS(8_2);
  UIKIT_EXTERN const CGFloat UIFontWeightRegular NS_AVAILABLE_IOS(8_2);
  UIKIT_EXTERN const CGFloat UIFontWeightMedium NS_AVAILABLE_IOS(8_2);
  UIKIT_EXTERN const CGFloat UIFontWeightSemibold NS_AVAILABLE_IOS(8_2);
  UIKIT_EXTERN const CGFloat UIFontWeightBold NS_AVAILABLE_IOS(8_2);
  UIKIT_EXTERN const CGFloat UIFontWeightHeavy NS_AVAILABLE_IOS(8_2);
  UIKIT_EXTERN const CGFloat UIFontWeightBlack NS_AVAILABLE_IOS(8_2);
*/

  NSLog(@"UIFontWeightUltraLight %f", UIFontWeightUltraLight);
  NSLog(@"UIFontWeightThin %f", UIFontWeightThin);
  NSLog(@"UIFontWeightLight %f", UIFontWeightLight);
  NSLog(@"UIFontWeightRegular %f", UIFontWeightRegular);
  NSLog(@"UIFontWeightMedium %f", UIFontWeightMedium);
  NSLog(@"UIFontWeightSemibold %f", UIFontWeightSemibold);
  NSLog(@"UIFontWeightBold %f", UIFontWeightBold);
  NSLog(@"UIFontWeightHeavy %f", UIFontWeightHeavy);
  NSLog(@"UIFontWeightBlack %f", UIFontWeightBlack);

  UIFont *defaultFont = [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleBody1];
  NSLog (@"Font Family : %@", defaultFont.familyName);
}

- (void)contentSizeCategoryDidChange:(NSNotification *)notification {
  NSString *sizeCategory = notification.userInfo[UIContentSizeCategoryNewValueKey];
  NSLog(@"New size category : %@", sizeCategory);

  // Update font array to reflect new size category
  _styleFonts = @[
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleHeadline],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleHeadline],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleTitle],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleTitle],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleSubheadline],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleSubheadline],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleBody2],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleBody2],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleBody1],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleBody1],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleCaption],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleCaption],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleButton],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleButton],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleDisplay1],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleDisplay1],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleDisplay2],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleDisplay2],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleDisplay3],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleDisplay3],
                  [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleDisplay4],
                  [UIFont mdc_preferredFontForMaterialTextStyle:MDCFontTextStyleDisplay4]
                  ];

  [self.tableView reloadData];
}

#pragma mark - UITableViewDataSource

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
  return _strings.count;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
  return _styleNames.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView
         cellForRowAtIndexPath:(NSIndexPath *)indexPath {
  UITableViewCell *cell = [self.tableView dequeueReusableCellWithIdentifier:@"cell"];
  if (cell == nil) {
    cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle
                                  reuseIdentifier:@"cell"];
  }
  cell.textLabel.text = _strings[indexPath.section];
  cell.textLabel.font = _styleFonts[indexPath.row];
  cell.textLabel.numberOfLines = 0;
  cell.textLabel.lineBreakMode = NSLineBreakByWordWrapping;

  if (cell.textLabel.font.pointSize > 100 && indexPath.section == 0) {
    cell.textLabel.text = @"MDC";
  }

  cell.detailTextLabel.text = _styleNames[indexPath.row];
  cell.detailTextLabel.font = [UIFont preferredFontForTextStyle:UIFontTextStyleCaption1];

  cell.selectionStyle = UITableViewCellSelectionStyleNone;

  return cell;
}

#pragma mark - CatalogByConvention

+ (NSArray *)catalogBreadcrumbs {
  return @[ @"Typography and Fonts", @"Material Font Styles" ];
}

+ (BOOL)catalogIsPrimaryDemo {
  return NO;
}

+ (BOOL)catalogIsPresentable {
  return YES;
}

@end