wehub-resource-sync
279 lines
11 KiB
Objective-C
279 lines
11 KiB
Objective-C
//
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// TLEmojiGroupControl.m
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// TLChat
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//
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// Created by 李伯坤 on 16/2/19.
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// Copyright © 2016年 李伯坤. All rights reserved.
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//
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#import "TLEmojiGroupControl.h"
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#import "TLEmojiGroupCell.h"
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#define WIDTH_EMOJIGROUP_CELL 46
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#define WIDTH_SENDBUTTON 60
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@interface TLEmojiGroupControl () <UICollectionViewDataSource, UICollectionViewDelegate, UICollectionViewDelegateFlowLayout>
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@property (nonatomic, strong) NSIndexPath *curIndexPath;
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@property (nonatomic, strong) UIButton *addButton;
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@property (nonatomic, strong) UICollectionView *collectionView;
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@property (nonatomic, strong) UIButton *sendButton;
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@end
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@implementation TLEmojiGroupControl
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- (id)init
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{
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if (self = [super init]) {
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[self setBackgroundColor:[UIColor whiteColor]];
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[self addSubview:self.addButton];
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[self addSubview:self.collectionView];
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[self addSubview:self.sendButton];
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[self p_addMasonry];
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[self.collectionView registerClass:[TLEmojiGroupCell class] forCellWithReuseIdentifier:@"TLEmojiGroupCell"];
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}
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return self;
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}
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- (void)setSendButtonStatus:(TLGroupControlSendButtonStatus)sendButtonStatus
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{
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if (_sendButtonStatus != sendButtonStatus) {
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if (_sendButtonStatus == TLGroupControlSendButtonStatusNone) {
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[self.sendButton mas_updateConstraints:^(MASConstraintMaker *make) {
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make.right.mas_equalTo(self);
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}];
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[UIView animateWithDuration:0.3 animations:^{
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[self layoutIfNeeded];
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} completion:^(BOOL finished) {
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[self.collectionView reloadData];
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[self.collectionView selectItemAtIndexPath:self.curIndexPath animated:NO scrollPosition:UICollectionViewScrollPositionNone];
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}];
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if (sendButtonStatus == TLGroupControlSendButtonStatusBlue) {
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[_sendButton setBackgroundImage:[UIImage imageNamed:@"emojiKB_sendBtn_blue"] forState:UIControlStateNormal];
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[_sendButton setBackgroundImage:[UIImage imageNamed:@"emojiKB_sendBtn_blueHL"] forState:UIControlStateHighlighted];
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[_sendButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
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}
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else if (sendButtonStatus == TLGroupControlSendButtonStatusGray) {
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[_sendButton setBackgroundImage:[UIImage imageNamed:@"emojiKB_sendBtn_gray"] forState:UIControlStateNormal];
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[_sendButton setBackgroundImage:[UIImage imageNamed:@"emojiKB_sendBtn_gray"] forState:UIControlStateHighlighted];
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[_sendButton setTitleColor:[UIColor grayColor] forState:UIControlStateNormal];
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}
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}
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else if (sendButtonStatus == TLGroupControlSendButtonStatusNone) {
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[self.sendButton mas_updateConstraints:^(MASConstraintMaker *make) {
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make.right.mas_equalTo(self).mas_offset(WIDTH_SENDBUTTON);
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}];
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[UIView animateWithDuration:0.3 animations:^{
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[self layoutIfNeeded];
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} completion:^(BOOL finished) {
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[self.collectionView reloadData];
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[self.collectionView selectItemAtIndexPath:self.curIndexPath animated:NO scrollPosition:UICollectionViewScrollPositionNone];
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}];
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}
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_sendButtonStatus = sendButtonStatus;
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}
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}
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- (void)setEmojiGroupData:(NSMutableArray *)emojiGroupData
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{
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if (_emojiGroupData == emojiGroupData || [_emojiGroupData isEqualToArray:emojiGroupData]) {
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return;
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}
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_emojiGroupData = emojiGroupData;
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[self.collectionView reloadData];
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if (emojiGroupData && emojiGroupData.count > 0) {
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[self setCurIndexPath:[NSIndexPath indexPathForRow:0 inSection:0]];
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}
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}
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- (void)selectEmojiGroupAtIndex:(NSInteger)index
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{
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if (index < self.emojiGroupData.count) {
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_curIndexPath = [NSIndexPath indexPathForRow:index inSection:0];
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[self.collectionView selectItemAtIndexPath:_curIndexPath animated:NO scrollPosition:UICollectionViewScrollPositionNone];
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CGFloat width = WIDTH_EMOJIGROUP_CELL;
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CGFloat x = width * index;
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if (x < self.collectionView.contentOffset.x) {
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[self.collectionView setContentOffset:CGPointMake(x, 0) animated:YES];
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}
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else if (x + width > self.collectionView.contentOffset.x + self.collectionView.width) {
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[self.collectionView setContentOffset:CGPointMake(x + width - self.collectionView.width, 0) animated:YES];
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}
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}
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}
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- (void)setCurIndexPath:(NSIndexPath *)curIndexPath
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{
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if (curIndexPath.row < self.emojiGroupData.count) {
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[self.collectionView scrollToItemAtIndexPath:curIndexPath atScrollPosition:UICollectionViewScrollPositionNone animated:YES];
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[self.collectionView selectItemAtIndexPath:curIndexPath animated:NO scrollPosition:UICollectionViewScrollPositionNone];
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if (_curIndexPath && _curIndexPath.section == curIndexPath.section && _curIndexPath.row == curIndexPath.row) {
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return;
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}
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CGFloat width = WIDTH_EMOJIGROUP_CELL;
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CGFloat x = width * curIndexPath.row;
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if (x < self.collectionView.contentOffset.x) {
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[self.collectionView setContentOffset:CGPointMake(x, 0) animated:YES];
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}
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else if (x + width > self.collectionView.contentOffset.x + self.collectionView.width) {
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[self.collectionView setContentOffset:CGPointMake(x + width - self.collectionView.width, 0) animated:YES];
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}
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_curIndexPath = curIndexPath;
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if (_delegate && [_delegate respondsToSelector:@selector(emojiGroupControl:didSelectedGroup:)]) {
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TLExpressionGroupModel *group = [self.emojiGroupData objectAtIndex:curIndexPath.row];
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[_delegate emojiGroupControl:self didSelectedGroup:group];
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}
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}
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}
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#pragma mark - # Delegate
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//MARK: UICollectionViewDataSource
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- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
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{
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return self.emojiGroupData.count;
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}
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- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
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{
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TLEmojiGroupCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"TLEmojiGroupCell" forIndexPath:indexPath];
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TLExpressionGroupModel *group = [self.emojiGroupData objectAtIndex:indexPath.row];
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[cell setEmojiGroup:group];
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return cell;
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}
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- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath
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{
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return CGSizeMake(WIDTH_EMOJIGROUP_CELL, self.height);
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}
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- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout referenceSizeForFooterInSection:(NSInteger)section
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{
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if (section == self.emojiGroupData.count - 1) {
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return CGSizeMake(WIDTH_EMOJIGROUP_CELL * 2, self.height);
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}
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return CGSizeZero;
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}
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//MARK: UICollectionViewDelegate
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- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath
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{
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TLExpressionGroupModel *group = [self.emojiGroupData objectAtIndex:indexPath.row];
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if (group.type == TLEmojiTypeOther) {
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//???: 存在冲突：用户选中cellA,再此方法中立马调用方法选中cellB时，所有cell都不会被选中
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.01 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
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[self setCurIndexPath:_curIndexPath];
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});
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[self p_eidtMyEmojiButtonDown];
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}
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else {
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[self setCurIndexPath:indexPath];
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}
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}
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#pragma mark - # Event Response
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- (void)emojiAddButtonDown
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{
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if (_delegate && [_delegate respondsToSelector:@selector(emojiGroupControlEditButtonDown:)]) {
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[_delegate emojiGroupControlEditButtonDown:self];
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}
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}
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- (void)sendButtonDown
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{
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if (_delegate && [_delegate respondsToSelector:@selector(emojiGroupControlSendButtonDown:)]) {
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[_delegate emojiGroupControlSendButtonDown:self];
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}
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}
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#pragma mark - # Private Methods
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- (void)p_addMasonry
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{
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[self.addButton mas_makeConstraints:^(MASConstraintMaker *make) {
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make.left.and.top.and.bottom.mas_equalTo(self);
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make.width.mas_equalTo(WIDTH_EMOJIGROUP_CELL);
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}];
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[self.sendButton mas_makeConstraints:^(MASConstraintMaker *make) {
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make.top.and.bottom.and.right.mas_equalTo(self);
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make.width.mas_equalTo(WIDTH_SENDBUTTON);
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}];
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[self.collectionView mas_makeConstraints:^(MASConstraintMaker *make) {
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make.top.and.bottom.mas_equalTo(self);
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make.left.mas_equalTo(self.addButton.mas_right);
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make.right.mas_equalTo(self.sendButton.mas_left);
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}];
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}
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- (void)p_eidtMyEmojiButtonDown
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{
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if (_delegate && [_delegate respondsToSelector:@selector(emojiGroupControlEditMyEmojiButtonDown:)]) {
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[_delegate emojiGroupControlEditMyEmojiButtonDown:self];
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}
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}
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- (void)drawRect:(CGRect)rect
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{
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[super drawRect:rect];
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CGContextRef context = UIGraphicsGetCurrentContext();
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CGContextSetLineWidth(context, 0.5);
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CGContextSetStrokeColorWithColor(context, [UIColor colorGrayLine].CGColor);
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CGContextBeginPath(context);
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CGContextMoveToPoint(context, WIDTH_EMOJIGROUP_CELL, 5);
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CGContextAddLineToPoint(context, WIDTH_EMOJIGROUP_CELL, self.height - 5);
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CGContextStrokePath(context);
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}
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#pragma mark - # Getter
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- (UIButton *)addButton
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{
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if (_addButton == nil) {
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_addButton = [[UIButton alloc] init];
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[_addButton setImage:[UIImage imageNamed:@"emojiKB_groupControl_add"] forState:UIControlStateNormal];
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[_addButton addTarget:self action:@selector(emojiAddButtonDown) forControlEvents:UIControlEventTouchUpInside];
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}
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return _addButton;
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}
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- (UICollectionView *)collectionView
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{
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if (_collectionView == nil) {
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UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
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[layout setScrollDirection:UICollectionViewScrollDirectionHorizontal];
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[layout setMinimumLineSpacing:0];
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_collectionView = [[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
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[_collectionView setBackgroundColor:[UIColor clearColor]];
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[_collectionView setDataSource:self];
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[_collectionView setDelegate:self];
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[_collectionView setShowsHorizontalScrollIndicator:NO];
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[_collectionView setShowsHorizontalScrollIndicator:NO];
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[_collectionView setScrollsToTop:NO];
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}
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return _collectionView;
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}
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- (UIButton *)sendButton
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{
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if (_sendButton == nil) {
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_sendButton = [[UIButton alloc] init];
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[_sendButton.titleLabel setFont:[UIFont systemFontOfSize:15.0f]];
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[_sendButton setTitle:@" 发送" forState:UIControlStateNormal];
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[_sendButton setTitleColor:[UIColor grayColor] forState:UIControlStateNormal];
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[_sendButton setBackgroundColor:[UIColor clearColor]];
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[_sendButton setBackgroundImage:[UIImage imageNamed:@"emojiKB_sendBtn_gray"] forState:UIControlStateNormal];
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[_sendButton setBackgroundImage:[UIImage imageNamed:@"emojiKB_sendBtn_gray"] forState:UIControlStateHighlighted];
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[_sendButton addTarget:self action:@selector(sendButtonDown) forControlEvents:UIControlEventTouchUpInside];
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}
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return _sendButton;
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}
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@end
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