SLExpandableTableView
SLExpandableTableView is a UITableView subclass that gives you easy access to expandable and collapsable sections by just implementing a few more delegate and dataSource protocols.
How to use SLExpandableTableView
- Installation
pod 'SLExpandableTableView'
- Load the SLExpandableTableView in a UITableViewController
- (void)loadView
{
self.tableView = [[SLExpandableTableView alloc] initWithFrame:CGRectZero style:UITableViewStylePlain];
}
- Implement the SLExpandableTableViewDatasource protocol
- (BOOL)tableView:(SLExpandableTableView *)tableView canExpandSection:(NSInteger)section
{
// return YES, if the section should be expandable
}
- (BOOL)tableView:(SLExpandableTableView *)tableView needsToDownloadDataForExpandableSection:(NSInteger)section
{
// return YES, if you need to download data to expand this section. tableView will call tableView:downloadDataForExpandableSection: for this section
}
- (UITableViewCell<UIExpandingTableViewCell> *)tableView:(SLExpandableTableView *)tableView expandingCellForSection:(NSInteger)section
{
// this cell will be displayed at IndexPath with section: section and row 0
}
- Implement the SLExpandableTableViewDelegate protocol
- (void)tableView:(SLExpandableTableView *)tableView downloadDataForExpandableSection:(NSInteger)section
{
// download your data here
// call [tableView expandSection:section animated:YES]; if download was successful
// call [tableView cancelDownloadInSection:section]; if your download was NOT successful
}
- (void)tableView:(SLExpandableTableView *)tableView didExpandSection:(NSUInteger)section animated:(BOOL)animated
{
//...
}
- (void)tableView:(SLExpandableTableView *)tableView didCollapseSection:(NSUInteger)section animated:(BOOL)animated
{
//...
}