//
// Copyright 2009 Facebook
//
// 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 "Three20/TTView.h"

@protocol TTTextEditorDelegate;
@class TTTextView, TTTextEditorInternal;

@interface TTTextEditor : TTView <UITextInputTraits> {
  id<TTTextEditorDelegate> _delegate;
  TTTextEditorInternal* _internal;
  UITextField* _textField;
  TTTextView* _textView;
  NSInteger _minNumberOfLines;
  NSInteger _maxNumberOfLines;
  BOOL _editing;
  BOOL _overflowed;
  BOOL _autoresizesToText;
  BOOL _showsExtraLine;
}

@property(nonatomic,assign) id<TTTextEditorDelegate> delegate;
@property(nonatomic,copy) NSString* text;
@property(nonatomic,copy) NSString* placeholder;
@property(nonatomic,retain) UIFont* font;
@property(nonatomic,retain) UIColor* textColor;
@property(nonatomic) NSInteger minNumberOfLines;
@property(nonatomic) NSInteger maxNumberOfLines;
@property(nonatomic,readonly) BOOL editing;
@property(nonatomic) BOOL autoresizesToText;
@property(nonatomic) BOOL showsExtraLine;

- (void)scrollContainerToCursor:(UIScrollView*)scrollView;

@end

///////////////////////////////////////////////////////////////////////////////////////////////////

@protocol TTTextEditorDelegate <NSObject>

@optional

- (BOOL)textEditorShouldBeginEditing:(TTTextEditor*)textEditor;
- (BOOL)textEditorShouldEndEditing:(TTTextEditor*)textEditor;

- (void)textEditorDidBeginEditing:(TTTextEditor*)textEditor;
- (void)textEditorDidEndEditing:(TTTextEditor*)textEditor;

- (BOOL)textEditor:(TTTextEditor*)textEditor shouldChangeTextInRange:(NSRange)range
        replacementText:(NSString*)replacementText;
- (void)textEditorDidChange:(TTTextEditor*)textEditor;

- (BOOL)textEditor:(TTTextEditor*)textEditor shouldResizeBy:(CGFloat)height;
- (BOOL)textEditorShouldReturn:(TTTextEditor*)textEditor;

@end