IOS UITableView 多选，全选删除，拖动，置顶的实现
[self.tableView setEditing:YES animated:NO];数组
2.设置编辑样式为多选（两个属性加起来就是这么神奇）post
-(UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath*)indexPathspa
{orm
return UITableViewCellEditingStyleDelete|UITableViewCellEditingStyleInsert;事件
}ci
0 处理全选 //实现点击全选按钮，实现所有选中，再点击删除，删除全部选中的cellrem
//暂时没作反选字符串
//全选按钮点击事件get
-(void)allChoiceBtnClick:(UIButton *)btnstring
{
btn.selected = ! btn.selected;
if (btn.selected) {
//将可见的设为全选状态
for (NSIndexPath *cellIndex in [self.tableView indexPathsForVisibleRows])
{
KeChooseManagerCell * otherCell = (KeChooseManagerCell *)[self.tableViewcellForRowAtIndexPath:cellIndex];
otherCell.selected = YES;
self.isAllSelected = YES;
self.indexArr = [NSMutableArray new];
//遍历数组建立含有section和row的NSIndexPath，而后将它传给tableview，用来删除所有选中的cell
for (int i = 0; i < self.stockList.count; i++) {
NSIndexPath * realIndex = [NSIndexPath indexPathForRow:i inSection:0];
[self.indexArr addObject:realIndex];
}
}
}else{
for (NSIndexPath *cellIndex in [self.tableView indexPathsForVisibleRows])
{
KeChooseManagerCell * otherCell = (KeChooseManagerCell *)[self.tableViewcellForRowAtIndexPath:cellIndex];
otherCell.selected = NO;
self.isAllSelected = NO;
}
}
}
//删除点击处理
-(void)deleteBtnClick:(UIButton *)btn
{
if (self.isAllSelected) {//全选
[self.stockList removeAllObjects];
[self.tableView beginUpdates];
KELog(@"allKeys %@",[deleteDic allKeys]);
KELog(@"stockcount %d",self.stockList.count);
KELog(@"stock %@",self.stockList);
[self.tableView deleteRowsAtIndexPaths:[NSArray arrayWithArray:self.indexArr] withRowAnimation:UITableViewRowAnimationFade];
KELog(@"allValues %@",[deleteDic allValues]);
// [deleteDic removeAllObjects];
[self.tableView endUpdates];
[self.tableView reloadData];
newDataList = self.stockList;
}else
{//非全选
//动态绑定(运行时有效<不是编译时起做用>)
__block NSMutableArray * temp = [NSMutableArray new];
__block typeof(self) weakSelf = self;
[indexArray enumerateObjectsUsingBlock:^(ChooseStockInfo * obj, NSUInteger idx, BOOL * _Nonnull stop) {
NSIndexPath * indexPath = objc_getAssociatedObject(obj, &kKeyForindexAndModel);
[temp addObject:indexPath];
[weakSelf.stockList removeObject:obj];
}];
[self.tableView beginUpdates];
KELog(@"allKeys %@",[deleteDic allKeys]);
KELog(@"stockcount %d",self.stockList.count);
KELog(@"stock %@",self.stockList);
[self.tableView deleteRowsAtIndexPaths:[NSArray arrayWithArray:temp] withRowAnimation:UITableViewRowAnimationFade];
KELog(@"allValues %@",[deleteDic allValues]);
// [deleteDic removeAllObjects];
[self.tableView endUpdates];
[self.tableView reloadData];
newDataList = self.stockList;
}
//选中
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
ChooseStockInfo * model = [self.stockList objectAtIndex:indexPath.row];
[indexArray addObject:model];
//绑定model和indexPath
objc_setAssociatedObject(model, &kKeyForindexAndModel, indexPath, OBJC_ASSOCIATION_RETAIN);
KELog(@"didSelect %@",deleteDic);
}
//取消选中
-(void)tableView:(UITableView *)tableView didDeselectRowAtIndexPath:(NSIndexPath *)indexPath
{
[deleteDicremoveObjectForKey:[self.stockListobjectAtIndex:indexPath.row]];
[indexArray removeObject:indexPath];
KELog(@"Deselect %@",deleteDic);
}
1.拖动
//设置可拖动
- (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath {
return YES;
}
//拖动以后处理的业务逻辑 - (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath {
//更新沙盒里的自选股字符串数组
NSArray * array = (NSArray *)[[SandBox shareInstance] getCoreInfoFromSandBoxWithKey:stockListSandBox];
stockStrLists = [NSMutableArray arrayWithArray:array];
//向上拖动
if (fromIndexPath.row > toIndexPath.row) {
[self.stockList insertObject:[self.stockList objectAtIndex:fromIndexPath.row] atIndex:toIndexPath.row];
[self.stockList removeObjectAtIndex:fromIndexPath.row+1];
//到哪一行
[tableView reloadData];
//string
[stockStrLists insertObject:[stockStrLists objectAtIndex:fromIndexPath.row] atIndex:toIndexPath.row];
[stockStrLists removeObjectAtIndex:fromIndexPath.row+1];
newDataList = self.stockList;
[[SandBox shareInstance] saveCoreInfoToSandBox:stockStrLists withKey:stockListSandBox];
self.changed = YES;
[[NSNotificationCenter defaultCenter] postNotificationName:kStockSortChangedNotification object:@{@"stockList":newDataList,@"operationType":@(Sort),@"stockStrList":stockStrLists}];
}else//向下拖动
{
[self.stockList insertObject:[self.stockList objectAtIndex:fromIndexPath.row] atIndex:toIndexPath.row];
[self.stockList removeObjectAtIndex:fromIndexPath.row - 1];
[tableView reloadData];
[stockStrLists insertObject:[stockStrLists objectAtIndex:fromIndexPath.row] atIndex:toIndexPath.row];
[stockStrLists removeObjectAtIndex:fromIndexPath.row - 1];
newDataList = self.stockList;
[[SandBox shareInstance] saveCoreInfoToSandBox:stockStrLists withKey:stockListSandBox];
self.changed = YES;
[[NSNotificationCenter defaultCenter] postNotificationName:kStockSortChangedNotification object:@{@"stockList":newDataList,@"opertationType":@(Sort),@"stockStrList":stockStrLists}];
}
}
[cell setTopBlcok:^(){
KELog(@"--- %ld ----",(long)indexPath.row);
//插入到第一个
[self.stockListinsertObject:[self.stockListobjectAtIndex:indexPath.row]atIndex:0];
ChooseStockInfo * aa = (ChooseStockInfo *)[self.stockListobjectAtIndex:indexPath.row];
KELog(@"dataList %@",aa.stockName);
//删除挪到下一行的元素
[self.stockListremoveObjectAtIndex:indexPath.row +1];
[tableView reloadData];
newDataList =self.stockList;
self.changed =YES;
KELog(@"newDataListTop %@",newDataList);
KELog(@"stockStrLists begin %@",stockStrLists);
NSArray * array = (NSArray *)[[SandBoxshareInstance] getCoreInfoFromSandBoxWithKey:stockListSandBox];
stockStrLists = [NSMutableArrayarrayWithArray:array];
[stockStrListsinsertObject:[stockStrListsobjectAtIndex:indexPath.row]atIndex:0];
[stockStrLists removeObjectAtIndex:indexPath.row + 1];
KELog(@"stockStrLists end %@ indexrow%ld",stockStrLists,(long)indexPath.row);
[[SandBox shareInstance] saveCoreInfoToSandBox:stockStrListswithKey:stockListSandBox];
[[NSNotificationCenterdefaultCenter] postNotificationName:kStockSortChangedNotificationobject:@{@"stockList":newDataList,@"operationType":@(Sort),@"stockStrList":stockStrLists}];
KELog(@"newData %@",newDataList);
}];