duoshoubang/FirstLink/Compoments/详情模块/Views/PdDetailKeyb...

//
//  PdDetailKeyboardInputView.m
//  FirstLink
//
//  Created by 王孝道 on 15/6/16.
//  Copyright (c) 2015年 FirstLink. All rights reserved.
//

#import "PdDetailKeyboardInputView.h"
@interface PdDetailKeyboardInputView () <UITextViewDelegate>
@property (nonatomic, strong) UILabel *holderLabel;
@end

@implementation PdDetailKeyboardInputView
@synthesize textView        = _textView;
@synthesize confirmButton   = _confirmButton;
- (instancetype)init
{
    self = [super init];
    if (self) {
        self.backgroundColor = UIColorFromRGB(0xf8f8f8);
        [self initialize];
    }
    return self;
}
- (void)initialize
{
    [self addSubview:self.textView];
    [self addSubview:self.confirmButton];
    [self addSubview:self.holderLabel];
}
- (void)layoutSubviews
{
    [super layoutSubviews];
    CGFloat height = 50;
    CGFloat btnWidth = 60;
    self.textView.frame = CGRectMake(15, 10, UISCREENWIDTH -  btnWidth - 15, 30);
    self.holderLabel.frame = CGRectMake(18, 10, CGRectGetWidth(self.textView.bounds), CGRectGetHeight(self.textView.bounds));
    
    CGFloat btnCenterX = CGRectGetMaxX(self.textView.frame) + btnWidth / 2;
    self.confirmButton.bounds = CGRectMake(0, 0, btnWidth, height);
    self.confirmButton.center = CGPointMake(btnCenterX, CGRectGetMidY(self.bounds));
}
#pragma mark - textView delegate
//- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text{
//    NSString *newStr = [textView.text stringByReplacingCharactersInRange:range withString:text];
//    NSString *holderString = @"";
//    
//    if (newStr.length == 0) {
//        holderString = self.placeHolder;
//    }
//    self.holderLabel.text = holderString;
//    return YES;
//}

- (void)textViewDidChange:(UITextView *)textView{

    NSString *holderString = @"";
    if (textView.text.length == 0) {
        holderString = self.placeHolder;
    }
    self.holderLabel.text = holderString;
}
#pragma mark - getter && setter
- (UITextView *)textView {
    if (_textView == nil) {
        _textView = [[UITextView alloc]init];
        _textView.textColor = [UIColor blackColor];
        _textView.font = [UIFont systemFontOfSize:15];
        _textView.layer.borderWidth = 0.5;
        _textView.layer.borderColor = [UIColorFromRGB(0xcccccc) CGColor];
        _textView.layer.cornerRadius = 5;
        _textView.delegate = self;
    }
    return _textView;
}
- (UIButton *)confirmButton
{
    if (_confirmButton == nil) {
        _confirmButton = [UIButton buttonWithType:UIButtonTypeCustom];
        _confirmButton.titleLabel.font = [UIFont systemFontOfSize:14];
        [_confirmButton setTitle:@"发送" forState:UIControlStateNormal];
        [_confirmButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
    }
    return _confirmButton;
}
- (UILabel *)holderLabel
{
    if (_holderLabel == nil) {
        _holderLabel = [[UILabel alloc]init];
        _holderLabel.backgroundColor = [UIColor clearColor];
        _holderLabel.textAlignment = NSTextAlignmentLeft;
        _holderLabel.font = [UIFont systemFontOfSize:15];
        _holderLabel.textColor = [UIColor blackColor];
        _holderLabel.enabled = NO;
    }
    return _holderLabel;
}
- (void)setPlaceHolder:(NSString *)placeHolder
{
    _placeHolder = placeHolder;
    self.holderLabel.text = placeHolder;
}
@end