#import "TwoViewController.h"
#import "ReactiveCocoa.h"
#import "myTableViewCell.h"
#import "MySelectPicCollectionView.h"
#import <BlocksKit+UIKit.h>
#import "TZImagePickerController.h"
#import "UIView+WZLBadge.h"
#import "NewChange.h"
@interface TwoViewController ()<UITableViewDelegate,UITableViewDataSource,UITextViewDelegate>
@property (weak, nonatomic) IBOutlet NSLayoutConstraint *collectionViewHeightConstraint;
@property (weak, nonatomic) IBOutlet UIButton *twoButton;
@property (weak, nonatomic) IBOutlet UITableView *tableview;
@property (weak, nonatomic) IBOutlet UIButton *imgaebutton;
@property (weak, nonatomic) IBOutlet UITextView *textview;
@property (weak, nonatomic) IBOutlet NSLayoutConstraint *height;
@property (weak, nonatomic) IBOutlet UIButton *mybutt;
@property (weak, nonatomic) IBOutlet NSLayoutConstraint *inputToolBarBottomConstraint;
@property (nonatomic,strong)NSMutableArray *dataSource;
@property (nonatomic, assign) CGFloat previousTextViewContentHeight;
@property (nonatomic, assign) CGFloat contentOffsetY;
@property (weak, nonatomic) IBOutlet MySelectPicCollectionView *myCollectView;
@property (weak, nonatomic) IBOutlet UIView *myBageView;
@end
@implementation TwoViewController
- (CGFloat)previousTextViewContentHeight {
if (_previousTextViewContentHeight == 0) {
_previousTextViewContentHeight = self.textview.frame.size.height;
}
return _previousTextViewContentHeight;
}
- (NSMutableArray *)dataSource{
if (!_dataSource) {
self.dataSource = [NSMutableArray arrayWithCapacity:0];
}return _dataSource;
}
- (void)viewDidLoad {
[super viewDidLoad];
[_imgaebutton bk_addEventHandler:^(id sender) {
[self.textview resignFirstResponder];
self.collectionViewHeightConstraint.constant = 216;
[NewChange showImagePickerFor:self phoneNum:9 videoNum:0 finishPick:^(NSArray *sourceArr, NSArray *assets) {
[self.myCollectView configWithData:sourceArr];
if (sourceArr.count >0) {
[self.myBageView showBadgeWithStyle:WBadgeStyleNumber value:sourceArr.count animationType:WBadgeAnimTypeNone];
}else{
[self.myBageView clearBadge];
}
}];
} forControlEvents:UIControlEventTouchUpInside];
// 1.监听键盘弹出，把inputToolBar（输入工具条）往上移
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(kbWillShow:) name:UIKeyboardWillShowNotification object:nil];
_textview.delegate = self;
// 2.监听键盘退出，inputToolBar回复原位
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(kbWillHide:) name:UIKeyboardWillHideNotification object:nil];
[_textview setBackgroundColor: [UIColor redColor]];
[_mybutt addTarget:self action:@selector(Sender:) forControlEvents:UIControlEventTouchUpInside];
// 添加动画
[UIView animateWithDuration:0.25 animations:^{
[self.view layoutIfNeeded];
}];
}
- (void)Sender:(id)sender{
[self.dataSource addObject:_textview.text];
[self.tableview reloadData];
// 清空textView的文字
_textview.text = nil;
self.height.constant = 50;
_textview.contentSize = CGSizeMake(self.view.frame.size.width - 124, 50);
[_textview setContentInset:UIEdgeInsetsMake(0, 0, 0, 0)];
}
#pragma mark 键盘显示时会触发的方法
-(void)kbWillShow:(NSNotification *)noti {
//1.获取键盘高度
//1.1获取键盘结束时候的位置
CGRect kbEndFrame = [noti.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue];
CGFloat kbHeight = kbEndFrame.size.height;
CGRect beginRect = [[noti.userInfo objectForKey:UIKeyboardFrameBeginUserInfoKey] CGRectValue];
CGRect endRect = [[noti.userInfo objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue];
NSLog(@"%f", kbHeight);
// 第三方键盘回调三次问题，监听仅执行最后一次
if(!(beginRect.size.height > 0 && ( fabs(beginRect.origin.y - endRect.origin.y) > 0))) return;
CGFloat animationDuration = [[noti.userInfo objectForKey:UIKeyboardAnimationDurationUserInfoKey] floatValue];
// 2.更改inputToolBar 底部约束
self.inputToolBarBottomConstraint.constant = kbHeight;
self.collectionViewHeightConstraint.constant = 0;
[UIView animateWithDuration:animationDuration animations:^{
[self.view layoutIfNeeded];
}];
// 4.把消息现在在顶部
}
#pragma mark 键盘退出时会触发的方法
-(void)kbWillHide:(NSNotification *)noti{
//inputToolbar恢复原位
self.inputToolBarBottomConstraint.constant = 0;
self.height.constant = 50;
_textview.contentSize = CGSizeMake(self.view.frame.size.width - 124, 50);
// 添加动画
[UIView animateWithDuration:0.25 animations:^{
[self.view layoutIfNeeded];
}];
}
//pragma mark - UITextView代理
-(void)textViewDidChange:(UITextView *)textView {
// 1.计算textView的高度
CGFloat textViewH = 0;
CGFloat minHeight = 33 + 3; // textView最小的高度
CGFloat maxHeight = 150 + 3 +10; // textView最大的高度
// 获取contentSize 的高度
CGFloat contentHeight = textView.contentSize.height;
if (contentHeight < minHeight) {
textViewH = minHeight;
[textView setContentInset:UIEdgeInsetsZero];
} else if (contentHeight > maxHeight) {
textViewH = maxHeight + 4.5;
[textView setContentInset:UIEdgeInsetsMake(-5, 0, -3.5, 0)];
} else {
if (contentHeight == minHeight) {
[textView setContentInset:UIEdgeInsetsZero];
textViewH = minHeight;
} else {
textViewH = contentHeight - 8;
[textView setContentInset:UIEdgeInsetsMake(-4.5, 0, -4.5, 0)];
}
}
// 3.调整整个InputToolBar 的高度
self.height.constant = 6 + 7 + textViewH;
CGFloat changeH = textViewH - self.previousTextViewContentHeight;
if (changeH != 0) {
// 加个动画
[UIView animateWithDuration:0.25 animations:^{
[self.view layoutIfNeeded];
if (textView.text.length) {
}
// 4.记光标回到原位
// 下面这几行代码需要写在[self.view layoutIfNeeded]后面，不然系统会自动调整为位置
if (contentHeight < maxHeight) {
[textView setContentOffset:CGPointZero animated:YES];
[textView scrollRangeToVisible:textView.selectedRange];
}
}];
self.previousTextViewContentHeight = textViewH;
}
if (contentHeight > maxHeight) {
[UIView animateWithDuration:0.2 animations:^{
if (self.contentOffsetY) {
if (textView.selectedRange.location != textView.text.length && textView.contentOffset.y != self.contentOffsetY) return;
}
[textView setContentOffset:CGPointMake(0.0, textView.contentSize.height - textView.frame.size.height - 3.5)];
self.contentOffsetY = textView.contentOffset.y;
}];
[textView scrollRangeToVisible:textView.selectedRange];
}
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
return self.dataSource.count;
}
// Row display. Implementers should *always* try to reuse cells by setting each cell's reuseIdentifier and querying for available reusable cells with dequeueReusableCellWithIdentifier:
// Cell gets various attributes set automatically based on table (separators) and data source (accessory views, editing controls)
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
myTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"myTableViewCell" forIndexPath:indexPath];
[cell.mytableview setText:self.dataSource[indexPath.row]];
return cell;
}
- (void)scrollViewWillEndDragging:(UIScrollView *)scrollView withVelocity:(CGPoint)velocity targetContentOffset:(inout CGPoint *)targetContentOffset{
[self.textview resignFirstResponder];
self.collectionViewHeightConstraint.constant = 0;
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
/*
#pragma mark - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
// Get the new view controller using [segue destinationViewController].
// Pass the selected object to the new view controller.
}
*/
@end
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