动态的计算行高 加载数据源 有多少显示多少 tableView 包含 colloctionView 显示复杂的界面写法
2016-11-24 12:18
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有时候，我们经常碰到这样的需求
先遵守代理
@interface PublishCollectionCell ()<UICollectionViewDataSource, UICollectionViewDelegate, UICollectionViewDelegateFlowLayout>
创建
_layout = [[UICollectionViewFlowLayout alloc] init];
// layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
// _collectionView = [UICollectionView new];
_collectionView = [[UICollectionView alloc] initWithFrame:CGRectMake(0, 0, self.width, self.height) collectionViewLayout:_layout];
// _collectionView.showsHorizontalScrollIndicator = NO;
_collectionView.scrollEnabled = NO;
[_collectionView setBackgroundView:nil];
[_collectionView setBackgroundColor:[UIColor clearColor]];
[_collectionView registerClass:[UICollectionViewCell class] forCellWithReuseIdentifier:@"cell"];
_collectionView.dataSource = self;
_collectionView.delegate = self;
[self.contentView addSubview:_collectionView];
你可以先获取cell的高度 设置 cell的默认高
+ (CGFloat)cellHeightWithObj:(NSArray *)obj{
if (obj.count == 0) return 0;
PublishLayout *publishLayout = obj[0];
CGFloat cellHeight = 0;
NSInteger row;
if (obj.count <= 0) {
row = 1;
}else{
row = ceilf((float)obj.count/publishLayout.showConutInRow);
}
cellHeight += (25 + 10) *row;
return cellHeight;
}
根据不同的显示 加载不同的数据源分类
- (void)setDataSource:(NSArray *)dataSource {
_dataSource = dataSource;
if (_dataSource.count == 0) return;
switch (_type) {
case PublishLayoutType_SexLimit:{
_layout.minimumInteritemSpacing = 20.0;
_layout.itemSize = CGSizeMake(70, 25);
ccellItemHeight = 20;
[_collectionView mas_remakeConstraints:^(MASConstraintMaker *make) {
make.left.equalTo(_label.mas_right).offset(20);
make.top.equalTo(self.contentView);
make.width.mas_equalTo(250);
make.height.mas_equalTo([PublishCollectionCell cellHeightWithObj:_dataSource]);
}];
}
break;
case PublishLayoutType_LocationLimit:{
_layout.minimumInteritemSpacing = 20.0;
_layout.itemSize = CGSizeMake(70, 25);
ccellItemHeight = 20;
[_collectionView mas_remakeConstraints:^(MASConstraintMaker *make) {
make.left.equalTo(_label.mas_right).offset(20);
make.top.equalTo(self.contentView);
make.width.mas_equalTo(160);
make.height.mas_equalTo([PublishCollectionCell cellHeightWithObj:_dataSource]);
}];
}
break;
case PublishLayoutType_Server:{
if ([UIScreen mainScreen].bounds.size.width== 320) {
_layout.minimumInteritemSpacing = 10.0;
_layout.itemSize = CGSizeMake(60, 25);
ccellItemHeight = 25;
[_collectionView mas_remakeConstraints:^(MASConstraintMaker *make) {
make.left.equalTo(_label.mas_right).offset(20);
make.top.equalTo(self.contentView);
make.width.mas_equalTo(210);
make.height.mas_equalTo([PublishCollectionCell cellHeightWithObj:_dataSource]);
}];
}else{
_layout.minimumInteritemSpacing = 20.0;
_layout.itemSize = CGSizeMake(70, 25);
ccellItemHeight = 25;
[_collectionView mas_remakeConstraints:^(MASConstraintMaker *make) {
make.left.equalTo(_label.mas_right).offset(20);
make.top.equalTo(self.contentView);
make.width.mas_equalTo(250);
make.height.mas_equalTo([PublishCollectionCell cellHeightWithObj:_dataSource]);
}];
}
}
break;
case PublishLayoutType_Props:{
_layout.minimumInteritemSpacing = 20.0;
CGFloat itemMaxWidth = 0;
for (Props *props in _dataSource) {
CGFloat width = [props.name getSizeWithFont:DefualtButtonTitileFont constrainedToSize:CGSizeMake(MAXFLOAT, DefualtButtonTitileFontSize)].width;
if (width > itemMaxWidth) {
itemMaxWidth = width;
}
}
PublishLayout *publishLayout = _dataSource[0];
itemMaxWidth = publishLayout.buttonImage.size.width + 5 + itemMaxWidth;
_layout.itemSize = CGSizeMake(itemMaxWidth, 25);
ccellItemHeight = 20;
CGFloat width = _layout.minimumInteritemSpacing + itemMaxWidth*2;
[_collectionView mas_remakeConstraints:^(MASConstraintMaker *make) {
make.left.equalTo(_label.mas_right).offset(20);
make.top.equalTo(self.contentView);
make.width.mas_equalTo(width);
make.height.mas_equalTo([PublishCollectionCell cellHeightWithObj:_dataSource]);
}];
}
break;
default:
break;
}
// _collectionView.collectionViewLayout = layout;
[_collectionView reloadData];
}
展示的时候
_tableView = ({
UITableView *tableView = [[UITableView alloc] initWithFrame:self.view.bounds style:UITableViewStylePlain];
tableView.backgroundColor = [UIColor clearColor];
tableView.dataSource = self;
tableView.delegate = self;
tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
[tableView registerClass:[PublishLimitCell class] forCellReuseIdentifier:NSStringFromClass(PublishLimitCell.class)];
[tableView registerClass:[PublishCollectionCell class] forCellReuseIdentifier:NSStringFromClass(PublishCollectionCell.class)];
[self.view addSubview:tableView];
[tableView mas_makeConstraints:^(MASConstraintMaker *make) {
make.top.equalTo(_addTopicButton.mas_bottom).offset(30);
make.left.right.equalTo(self.view);
make.bottom.equalTo(_shareCollectionView.mas_top).offset(-10);
}];
tableView;
});
用tableView 加载不同的cell 类型 复杂界面首选 整理的tableView 包含colloctionView 的写法
不过首先 可以写一个枚举
typedef NS_ENUM(NSInteger, PublishLayoutType) {
PublishLayoutType_SexLimit = 0,
PublishLayoutType_LocationLimit,
PublishLayoutType_Server,
PublishLayoutType_Props,
};
根据不同的类型 加载不同的数据源
#pragma mark - UITableViewDataSource
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return _store.numberOfRows;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
PublishCollectionCell *cell = [tableView dequeueReusableCellWithIdentifier:NSStringFromClass(PublishCollectionCell.class) forIndexPath:indexPath];
switch (indexPath.row) {
case 0:
cell.label.text = @"对方性别";
cell.type = PublishLayoutType_SexLimit;
cell.dataSource = (NSArray *)_store.sexLimits;
break;
case 1:
cell.label.text = @"对方位置";
cell.type = PublishLayoutType_LocationLimit;
cell.dataSource = (NSArray *)_store.locationLimits;
break;
case 2:
cell.label.text = @"寻求服务";
cell.type = PublishLayoutType_Server;
cell.dataSource = (NSArray *)_store.serviceList;
break;
case 3:
cell.label.text = @"预算赏金";
cell.type = PublishLayoutType_Props;
cell.dataSource = (NSArray *)_store.cards;
break;
default:
break;
}
[cell setClickedBlock:^(PublishLayout *_layout) {
if (_layout.layoutType == PublishLayoutType_Props) {
if (_layout.isSelected) {
_layout.isSelected = !_layout.isSelected;
[_store updateList:_layout];
[_tableView reloadData];
} else {
[CountControlView showChooseNumInSubVC:self withCommitBlock:^(NSInteger chooseNum) {
_layout.propsNumber = chooseNum;
_layout.isSelected = !_layout.isSelected;
[_store updateList:_layout];
[_tableView reloadData];
}];
}
} else {
if (_layout.layoutType == PublishLayoutType_LocationLimit) {
if (_layout.recruitLimit.limitId.integerValue == _store.locationLimit.integerValue) {
return;
}
}
if (_layout.layoutType == PublishLayoutType_SexLimit) {
if (_layout.recruitLimit.limitId.integerValue == _store.sexLimit.integerValue) {
return;
}
}
_layout.isSelected = !_layout.isSelected;
if (_layout.isSelected && _layout.layoutType==PublishLayoutType_LocationLimit) {
[self resignTitleResponder];
if (!self.store.isLocationSuccess && [AppLogic getCityName].length==0) {
CNShowPromptWithText(@"请打开定位或完善资料");
return ;
} else{
}
}
[_store updateList:_layout];
[_tableView reloadData];
}
}];
return cell;
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
if (indexPath.row < 2) {
return 45;
} else if (indexPath.row == 2) {
return [PublishCollectionCell cellHeightWithObj:_store.serviceList];
}else if (indexPath.row == 3) {
return [PublishCollectionCell cellHeightWithObj:_store.cards];
}
return 0;
}
#pragma mark - UICollectionViewDataSource
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
if ([collectionView isEqual:self.rewardCollectionView]) {
return self.store.propsArray.count;
} else {
return 5;
}
}
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
if ([collectionView isEqual:self.rewardCollectionView]) {
PublishCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"reward" forIndexPath:indexPath];
// cell.props = self.store.propsArray[indexPath.row];
[cell setProps:self.store.propsArray[indexPath.row] IndexPath:indexPath SelectYes:self.isShake];
[cell setDeleteImgRow:^(NSInteger row) {
[self.store.propsArray removeObjectAtIndex:row];
self.isShake = NO;
if (self.store.propsArray.count > 0) {
self.rewardLabel.hidden = YES;
self.rewardCollectionView.hidden = NO;
} else {
self.rewardLabel.hidden = NO;
self.rewardCollectionView.hidden = YES;
}
[self.rewardCollectionView reloadData];
}];
[cell setIsShake:^(BOOL shake) {
self.isShake = YES;
[self.rewardCollectionView reloadData];
}];
return cell;
} else {
PublishCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"share" forIndexPath:indexPath];
NSString *imageNamed = @"";
switch (indexPath.row) {
case 0:
imageNamed = @"share_weixin";
break;
case 1:
imageNamed = @"share_QZone";
break;
case 2:
imageNamed = @"share_WechatTimeline";
break;
case 3:
imageNamed = @"share_qq";
break;
case 4:
imageNamed = @"share_weibo";
break;
default:
break;
}
if (_store.shareType == indexPath.row) {
imageNamed = [imageNamed stringByAppendingString:@"_sel"];
} else {
imageNamed = [imageNamed stringByAppendingString:@"_nor"];
}
cell.contengImageView.image = [UIImage imageNamed:imageNamed];
return cell;
}
return nil;
}
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
if ([collectionView isEqual:self.shareCollectionView]) {
if (_store.shareType != indexPath.row) {
_store.shareType = indexPath.row;
} else {
_store.shareType = KShareTypeNone;
}
[self.shareCollectionView reloadData];
}
else if([collectionView isEqual:self.rewardCollectionView]){
NSLog(@"%ld",(long)indexPath.row);
}
}
大概的整体思路 就是这样， 最近会写一个demo 然后放到git上 若需要可以评论 @我
先遵守代理
@interface PublishCollectionCell ()<UICollectionViewDataSource, UICollectionViewDelegate, UICollectionViewDelegateFlowLayout>
创建
_layout = [[UICollectionViewFlowLayout alloc] init];
// layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
// _collectionView = [UICollectionView new];
_collectionView = [[UICollectionView alloc] initWithFrame:CGRectMake(0, 0, self.width, self.height) collectionViewLayout:_layout];
// _collectionView.showsHorizontalScrollIndicator = NO;
_collectionView.scrollEnabled = NO;
[_collectionView setBackgroundView:nil];
[_collectionView setBackgroundColor:[UIColor clearColor]];
[_collectionView registerClass:[UICollectionViewCell class] forCellWithReuseIdentifier:@"cell"];
_collectionView.dataSource = self;
_collectionView.delegate = self;
[self.contentView addSubview:_collectionView];
你可以先获取cell的高度 设置 cell的默认高
+ (CGFloat)cellHeightWithObj:(NSArray *)obj{
if (obj.count == 0) return 0;
PublishLayout *publishLayout = obj[0];
CGFloat cellHeight = 0;
NSInteger row;
if (obj.count <= 0) {
row = 1;
}else{
row = ceilf((float)obj.count/publishLayout.showConutInRow);
}
cellHeight += (25 + 10) *row;
return cellHeight;
}
根据不同的显示 加载不同的数据源分类
- (void)setDataSource:(NSArray *)dataSource {
_dataSource = dataSource;
if (_dataSource.count == 0) return;
switch (_type) {
case PublishLayoutType_SexLimit:{
_layout.minimumInteritemSpacing = 20.0;
_layout.itemSize = CGSizeMake(70, 25);
ccellItemHeight = 20;
[_collectionView mas_remakeConstraints:^(MASConstraintMaker *make) {
make.left.equalTo(_label.mas_right).offset(20);
make.top.equalTo(self.contentView);
make.width.mas_equalTo(250);
make.height.mas_equalTo([PublishCollectionCell cellHeightWithObj:_dataSource]);
}];
}
break;
case PublishLayoutType_LocationLimit:{
_layout.minimumInteritemSpacing = 20.0;
_layout.itemSize = CGSizeMake(70, 25);
ccellItemHeight = 20;
[_collectionView mas_remakeConstraints:^(MASConstraintMaker *make) {
make.left.equalTo(_label.mas_right).offset(20);
make.top.equalTo(self.contentView);
make.width.mas_equalTo(160);
make.height.mas_equalTo([PublishCollectionCell cellHeightWithObj:_dataSource]);
}];
}
break;
case PublishLayoutType_Server:{
if ([UIScreen mainScreen].bounds.size.width== 320) {
_layout.minimumInteritemSpacing = 10.0;
_layout.itemSize = CGSizeMake(60, 25);
ccellItemHeight = 25;
[_collectionView mas_remakeConstraints:^(MASConstraintMaker *make) {
make.left.equalTo(_label.mas_right).offset(20);
make.top.equalTo(self.contentView);
make.width.mas_equalTo(210);
make.height.mas_equalTo([PublishCollectionCell cellHeightWithObj:_dataSource]);
}];
}else{
_layout.minimumInteritemSpacing = 20.0;
_layout.itemSize = CGSizeMake(70, 25);
ccellItemHeight = 25;
[_collectionView mas_remakeConstraints:^(MASConstraintMaker *make) {
make.left.equalTo(_label.mas_right).offset(20);
make.top.equalTo(self.contentView);
make.width.mas_equalTo(250);
make.height.mas_equalTo([PublishCollectionCell cellHeightWithObj:_dataSource]);
}];
}
}
break;
case PublishLayoutType_Props:{
_layout.minimumInteritemSpacing = 20.0;
CGFloat itemMaxWidth = 0;
for (Props *props in _dataSource) {
CGFloat width = [props.name getSizeWithFont:DefualtButtonTitileFont constrainedToSize:CGSizeMake(MAXFLOAT, DefualtButtonTitileFontSize)].width;
if (width > itemMaxWidth) {
itemMaxWidth = width;
}
}
PublishLayout *publishLayout = _dataSource[0];
itemMaxWidth = publishLayout.buttonImage.size.width + 5 + itemMaxWidth;
_layout.itemSize = CGSizeMake(itemMaxWidth, 25);
ccellItemHeight = 20;
CGFloat width = _layout.minimumInteritemSpacing + itemMaxWidth*2;
[_collectionView mas_remakeConstraints:^(MASConstraintMaker *make) {
make.left.equalTo(_label.mas_right).offset(20);
make.top.equalTo(self.contentView);
make.width.mas_equalTo(width);
make.height.mas_equalTo([PublishCollectionCell cellHeightWithObj:_dataSource]);
}];
}
break;
default:
break;
}
// _collectionView.collectionViewLayout = layout;
[_collectionView reloadData];
}
展示的时候
_tableView = ({
UITableView *tableView = [[UITableView alloc] initWithFrame:self.view.bounds style:UITableViewStylePlain];
tableView.backgroundColor = [UIColor clearColor];
tableView.dataSource = self;
tableView.delegate = self;
tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
[tableView registerClass:[PublishLimitCell class] forCellReuseIdentifier:NSStringFromClass(PublishLimitCell.class)];
[tableView registerClass:[PublishCollectionCell class] forCellReuseIdentifier:NSStringFromClass(PublishCollectionCell.class)];
[self.view addSubview:tableView];
[tableView mas_makeConstraints:^(MASConstraintMaker *make) {
make.top.equalTo(_addTopicButton.mas_bottom).offset(30);
make.left.right.equalTo(self.view);
make.bottom.equalTo(_shareCollectionView.mas_top).offset(-10);
}];
tableView;
});
用tableView 加载不同的cell 类型 复杂界面首选 整理的tableView 包含colloctionView 的写法
不过首先 可以写一个枚举
typedef NS_ENUM(NSInteger, PublishLayoutType) {
PublishLayoutType_SexLimit = 0,
PublishLayoutType_LocationLimit,
PublishLayoutType_Server,
PublishLayoutType_Props,
};
根据不同的类型 加载不同的数据源
#pragma mark - UITableViewDataSource
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return _store.numberOfRows;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
PublishCollectionCell *cell = [tableView dequeueReusableCellWithIdentifier:NSStringFromClass(PublishCollectionCell.class) forIndexPath:indexPath];
switch (indexPath.row) {
case 0:
cell.label.text = @"对方性别";
cell.type = PublishLayoutType_SexLimit;
cell.dataSource = (NSArray *)_store.sexLimits;
break;
case 1:
cell.label.text = @"对方位置";
cell.type = PublishLayoutType_LocationLimit;
cell.dataSource = (NSArray *)_store.locationLimits;
break;
case 2:
cell.label.text = @"寻求服务";
cell.type = PublishLayoutType_Server;
cell.dataSource = (NSArray *)_store.serviceList;
break;
case 3:
cell.label.text = @"预算赏金";
cell.type = PublishLayoutType_Props;
cell.dataSource = (NSArray *)_store.cards;
break;
default:
break;
}
[cell setClickedBlock:^(PublishLayout *_layout) {
if (_layout.layoutType == PublishLayoutType_Props) {
if (_layout.isSelected) {
_layout.isSelected = !_layout.isSelected;
[_store updateList:_layout];
[_tableView reloadData];
} else {
[CountControlView showChooseNumInSubVC:self withCommitBlock:^(NSInteger chooseNum) {
_layout.propsNumber = chooseNum;
_layout.isSelected = !_layout.isSelected;
[_store updateList:_layout];
[_tableView reloadData];
}];
}
} else {
if (_layout.layoutType == PublishLayoutType_LocationLimit) {
if (_layout.recruitLimit.limitId.integerValue == _store.locationLimit.integerValue) {
return;
}
}
if (_layout.layoutType == PublishLayoutType_SexLimit) {
if (_layout.recruitLimit.limitId.integerValue == _store.sexLimit.integerValue) {
return;
}
}
_layout.isSelected = !_layout.isSelected;
if (_layout.isSelected && _layout.layoutType==PublishLayoutType_LocationLimit) {
[self resignTitleResponder];
if (!self.store.isLocationSuccess && [AppLogic getCityName].length==0) {
CNShowPromptWithText(@"请打开定位或完善资料");
return ;
} else{
}
}
[_store updateList:_layout];
[_tableView reloadData];
}
}];
return cell;
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
if (indexPath.row < 2) {
return 45;
} else if (indexPath.row == 2) {
return [PublishCollectionCell cellHeightWithObj:_store.serviceList];
}else if (indexPath.row == 3) {
return [PublishCollectionCell cellHeightWithObj:_store.cards];
}
return 0;
}
#pragma mark - UICollectionViewDataSource
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
if ([collectionView isEqual:self.rewardCollectionView]) {
return self.store.propsArray.count;
} else {
return 5;
}
}
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
if ([collectionView isEqual:self.rewardCollectionView]) {
PublishCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"reward" forIndexPath:indexPath];
// cell.props = self.store.propsArray[indexPath.row];
[cell setProps:self.store.propsArray[indexPath.row] IndexPath:indexPath SelectYes:self.isShake];
[cell setDeleteImgRow:^(NSInteger row) {
[self.store.propsArray removeObjectAtIndex:row];
self.isShake = NO;
if (self.store.propsArray.count > 0) {
self.rewardLabel.hidden = YES;
self.rewardCollectionView.hidden = NO;
} else {
self.rewardLabel.hidden = NO;
self.rewardCollectionView.hidden = YES;
}
[self.rewardCollectionView reloadData];
}];
[cell setIsShake:^(BOOL shake) {
self.isShake = YES;
[self.rewardCollectionView reloadData];
}];
return cell;
} else {
PublishCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"share" forIndexPath:indexPath];
NSString *imageNamed = @"";
switch (indexPath.row) {
case 0:
imageNamed = @"share_weixin";
break;
case 1:
imageNamed = @"share_QZone";
break;
case 2:
imageNamed = @"share_WechatTimeline";
break;
case 3:
imageNamed = @"share_qq";
break;
case 4:
imageNamed = @"share_weibo";
break;
default:
break;
}
if (_store.shareType == indexPath.row) {
imageNamed = [imageNamed stringByAppendingString:@"_sel"];
} else {
imageNamed = [imageNamed stringByAppendingString:@"_nor"];
}
cell.contengImageView.image = [UIImage imageNamed:imageNamed];
return cell;
}
return nil;
}
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
if ([collectionView isEqual:self.shareCollectionView]) {
if (_store.shareType != indexPath.row) {
_store.shareType = indexPath.row;
} else {
_store.shareType = KShareTypeNone;
}
[self.shareCollectionView reloadData];
}
else if([collectionView isEqual:self.rewardCollectionView]){
NSLog(@"%ld",(long)indexPath.row);
}
}
大概的整体思路 就是这样， 最近会写一个demo 然后放到git上 若需要可以评论 @我
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