mirror of https://github.com/axmolengine/axmol.git
157 lines
4.5 KiB
Plaintext
157 lines
4.5 KiB
Plaintext
/****************************************************************************
|
|
Copyright (c) 2010-2012 cocos2d-x.org
|
|
Copyright (c) 2012 James Chen
|
|
Copyright (c) 2015 Mazyad Alabduljaleel
|
|
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
|
|
|
|
https://axis-project.github.io/
|
|
|
|
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 "ui/UIEditBox/iOS/CCUIMultilineTextField.h"
|
|
|
|
#include "base/CCDirector.h"
|
|
|
|
/**
|
|
* http://stackoverflow.com/questions/1328638/placeholder-in-uitextview
|
|
*/
|
|
CGFloat const UI_PLACEHOLDER_TEXT_CHANGED_ANIMATION_DURATION = 0.25;
|
|
|
|
@implementation CCUIMultilineTextField
|
|
|
|
#pragma mark - Init & Dealloc
|
|
|
|
- (instancetype)initWithFrame:(CGRect)frame
|
|
{
|
|
self = [super initWithFrame:frame];
|
|
if (self)
|
|
{
|
|
|
|
[[NSNotificationCenter defaultCenter] addObserver:self
|
|
selector:@selector(textChanged:)
|
|
name:UITextViewTextDidChangeNotification
|
|
object:nil];
|
|
}
|
|
return self;
|
|
}
|
|
|
|
- (void)dealloc
|
|
{
|
|
[[NSNotificationCenter defaultCenter] removeObserver:self];
|
|
|
|
[_placeHolderLabel release];
|
|
|
|
[super dealloc];
|
|
}
|
|
|
|
#pragma mark - Properties
|
|
|
|
- (NSString*)placeholder
|
|
{
|
|
return self.placeHolderLabel.text;
|
|
}
|
|
|
|
- (void)setPlaceholder:(NSString*)placeholder
|
|
{
|
|
self.placeHolderLabel.text = placeholder;
|
|
[self.placeHolderLabel sizeToFit];
|
|
}
|
|
|
|
- (void)setText:(NSString*)text
|
|
{
|
|
[super setText:text];
|
|
[self textChanged:nil];
|
|
}
|
|
|
|
- (UILabel*)placeHolderLabel
|
|
{
|
|
if (_placeHolderLabel == nil)
|
|
{
|
|
auto glview = cocos2d::Director::getInstance()->getOpenGLView();
|
|
float padding = CC_EDIT_BOX_PADDING * glview->getScaleX() / glview->getContentScaleFactor();
|
|
|
|
_placeHolderLabel =
|
|
[[UILabel alloc] initWithFrame:CGRectMake(padding, padding, self.bounds.size.width - padding * 2, 0)];
|
|
_placeHolderLabel.lineBreakMode = NSLineBreakByWordWrapping;
|
|
_placeHolderLabel.numberOfLines = 0;
|
|
_placeHolderLabel.font = self.font;
|
|
_placeHolderLabel.backgroundColor = [UIColor clearColor];
|
|
_placeHolderLabel.textColor = [UIColor lightGrayColor];
|
|
_placeHolderLabel.alpha = 0;
|
|
|
|
[self addSubview:_placeHolderLabel];
|
|
}
|
|
|
|
return _placeHolderLabel;
|
|
}
|
|
|
|
#pragma mark - Public methods
|
|
|
|
- (CGRect)textRectForBounds:(CGRect)bounds
|
|
{
|
|
auto glview = cocos2d::Director::getInstance()->getOpenGLView();
|
|
|
|
float padding = CC_EDIT_BOX_PADDING * glview->getScaleX() / glview->getContentScaleFactor();
|
|
return CGRectInset(bounds, padding, padding);
|
|
}
|
|
|
|
- (CGRect)editingRectForBounds:(CGRect)bounds
|
|
{
|
|
return [self textRectForBounds:bounds];
|
|
}
|
|
|
|
- (void)layoutSubviews
|
|
{
|
|
[super layoutSubviews];
|
|
|
|
if (self.placeholder.length > 0)
|
|
{
|
|
[self sendSubviewToBack:self.placeHolderLabel];
|
|
}
|
|
}
|
|
|
|
- (void)drawRect:(CGRect)rect
|
|
{
|
|
if (self.text.length == 0 && self.placeholder.length > 0)
|
|
{
|
|
self.placeHolderLabel.alpha = 1;
|
|
}
|
|
|
|
[super drawRect:rect];
|
|
}
|
|
|
|
#pragma mark - NSNotification Observers
|
|
|
|
- (void)textChanged:(NSNotification*)notification
|
|
{
|
|
if (self.placeholder.length == 0)
|
|
{
|
|
return;
|
|
}
|
|
|
|
[UIView animateWithDuration:UI_PLACEHOLDER_TEXT_CHANGED_ANIMATION_DURATION
|
|
animations:^{
|
|
CGFloat alpha = (self.text.length == 0 ? 1 : 0);
|
|
self.placeHolderLabel.alpha = alpha;
|
|
}];
|
|
}
|
|
|
|
@end
|