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Diffstat (limited to 'Vendor/HPTextViewInternal.m')
| -rw-r--r-- | Vendor/HPTextViewInternal.m | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/Vendor/HPTextViewInternal.m b/Vendor/HPTextViewInternal.m new file mode 100644 index 0000000..9b45702 --- /dev/null +++ b/Vendor/HPTextViewInternal.m @@ -0,0 +1,98 @@ +// +// HPTextViewInternal.m +// +// Created by Hans Pinckaers on 29-06-10. +// +// MIT License +// +// Copyright (c) 2011 Hans Pinckaers +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import "HPTextViewInternal.h" + + +@implementation HPTextViewInternal + +-(void)setText:(NSString *)text +{ + BOOL originalValue = self.scrollEnabled; + //If one of GrowingTextView's superviews is a scrollView, and self.scrollEnabled == NO, + //setting the text programatically will cause UIKit to search upwards until it finds a scrollView with scrollEnabled==yes + //then scroll it erratically. Setting scrollEnabled temporarily to YES prevents this. + [self setScrollEnabled:YES]; + [super setText:text]; + [self setScrollEnabled:originalValue]; +} + +-(void)setContentOffset:(CGPoint)s +{ + if(self.tracking || self.decelerating){ + //initiated by user... + + UIEdgeInsets insets = self.contentInset; + insets.bottom = 0; + insets.top = 0; + self.contentInset = insets; + + } else { + + float bottomOffset = (self.contentSize.height - self.frame.size.height + self.contentInset.bottom); + if(s.y < bottomOffset && self.scrollEnabled){ + UIEdgeInsets insets = self.contentInset; + insets.bottom = 8; + insets.top = 0; + self.contentInset = insets; + } + } + + [super setContentOffset:s]; +} + +-(void)setContentInset:(UIEdgeInsets)s +{ + UIEdgeInsets insets = s; + + if(s.bottom>8) insets.bottom = 0; + insets.top = 0; + + [super setContentInset:insets]; +} + +-(void)setContentSize:(CGSize)contentSize +{ + // is this an iOS5 bug? Need testing! + if(self.contentSize.height > contentSize.height) + { + UIEdgeInsets insets = self.contentInset; + insets.bottom = 0; + insets.top = 0; + self.contentInset = insets; + } + + [super setContentSize:contentSize]; +} + + +- (void)dealloc { + [super dealloc]; +} + + +@end |
