| // Copyright 2019-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 "MDCTextControlLabelSupport.h" |
| #import <UIKit/UIKit.h> |
| |
| MDCTextControlLabelPosition MDCTextControlLabelPositionWith(BOOL hasLabelText, BOOL hasText, |
| BOOL canLabelFloat, BOOL isEditing) { |
| if (hasLabelText) { |
| if (canLabelFloat) { |
| if (isEditing) { |
| return MDCTextControlLabelPositionFloating; |
| } else { |
| if (hasText) { |
| return MDCTextControlLabelPositionFloating; |
| } else { |
| return MDCTextControlLabelPositionNormal; |
| } |
| } |
| } else { |
| if (isEditing) { |
| return MDCTextControlLabelPositionNone; |
| } else { |
| if (hasText) { |
| return MDCTextControlLabelPositionNone; |
| } else { |
| return MDCTextControlLabelPositionNormal; |
| } |
| } |
| } |
| } else { |
| return MDCTextControlLabelPositionNone; |
| } |
| } |
| |
| CGSize MDCTextControlLabelSizeWith(NSString *text, CGFloat maxWidth, UIFont *font) { |
| if (!font || text.length == 0) { |
| return CGSizeZero; |
| } |
| CGSize fittingSize = CGSizeMake(maxWidth, CGFLOAT_MAX); |
| NSDictionary *attributes = @{NSFontAttributeName : font}; |
| CGRect rect = [text boundingRectWithSize:fittingSize |
| options:NSStringDrawingUsesLineFragmentOrigin |
| attributes:attributes |
| context:nil]; |
| return rect.size; |
| } |
