ExpandableCell

Fully refactored YNExapnadableCell with more concise, bug free. Easiest usage of expandable & collapsible cell for iOS, written in Swift 3. You can customize expandable UITableViewCell whatever you like. ExpandableCell is made because insertRows and deleteRows is hard to use. Just inheirt ExpandableDelegate.

ExpandableCell

Usage

Basic

import ExpandableCell

Make ExpandableTableView in Storyboard or in code

@IBOutlet var tableView: ExpandableTableView!

Inherit ExpandableDelegate

class ViewController: UIViewController, ExpandableDelegate

Set delegate

tableView.expandableDelegate = self

Set required ExpandableDelegate method.

Key two methods

Required ExpandableDelegate Explanation
func expandableTableView(_ expandableTableView: ExpandableTableView, expandedCellsForRowAt indexPath: IndexPath) -> [UITableViewCell]? Key method to get expandable cells
func expandableTableView(_ expandableTableView: ExpandableTableView, heightsForExpandedRowAt indexPath: IndexPath) -> [CGFloat]? Key method to get expandable cells's height
Required UITableViewDelegate, UITableViewDataSource Explanation
func expandableTableView(_ expandableTableView: ExpandableTableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell -
func expandableTableView(_ expandableTableView: ExpandableTableView, numberOfRowsInSection section: Int) -> Int -
func expandableTableView(_ expandableTableView: ExpandableTableView, heightForRowAt indexPath: IndexPath) -> CGFloat -

Advanced

ExpandableTableView property

Property Type Explanation
animation UITableViewRowAnimation Animation when open and close

ExpandableTableView methods

Method Explanation
openAll Open all that you set in func expandableTableView(_ expandableTableView: ExpandableTableView, expandedCellsForRowAt indexPath: IndexPath) -> [UITableViewCell]?
closeAll Close all that you set in func expandableTableView(_ expandableTableView: ExpandableTableView, expandedCellsForRowAt indexPath: IndexPath) -> [UITableViewCell]?
reloadData TableView reload data. Expanded cells will be work also
open(at indexPath: IndexPath) Open specific indexPath

Optional delegates

Optional ExpandableDelegate Explanation
func expandableTableView(_ expandableTableView: ExpandableTableView, didSelectExpandedRowAt indexPath: IndexPath) Get indexpath in expanded row
func expandableTableView(_ expandableTableView: ExpandableTableView, expandedCell: UITableViewCell, didSelectExpandedRowAt indexPath: IndexPath) Get expandedCell and indexPath
Optional UITableViewDelegate, UITableViewDataSource Explanation
func expandableTableView(_ expandableTableView: ExpandableTableView, didSelectRowAt indexPath: IndexPath) -
func expandableTableView(_ expandableTableView: ExpandableTableView, titleForHeaderInSection section: Int) -> String? -
func expandableTableView(_ expandableTableView: ExpandableTableView, heightForHeaderInSection section: Int) -> CGFloat -
func expandableTableView(_ expandableTableView: ExpandableTableView, viewForHeaderInSection section: Int) -> UIView? -
func numberOfSections(in expandableTableView: ExpandableTableView) -> Int -
func expandableTableView(_ expandableTableView: ExpandableTableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) -
func expandableTableView(_ expandableTableView: ExpandableTableView, willDisplayHeaderView view: UIView, forSection section: Int) -
func expandableTableView(_ expandableTableView: ExpandableTableView, willDisplayFooterView view: UIView, forSection section: Int) -

For arrow effect

Inherit ExpandableCell when you need arrow effect or change arrow image

open class ExpandableCell: UITableViewCell {
    open var arrowImageView: UIImageView!
}

Set tableview insert animation

tableView.animation = .automatic

Make protocols in ExpandableDelegate if you need or make pull request to me :)

ExpandableCell methods

ExpandableCell methods Explanation
isExpanded() Check if cell is expanded or not

Requirements

ExpandableCell written in Swift 3. Compatible with iOS 8.0+

Installation

Cocoapods

ExpandableCell is available through CocoaPods. To install
it, simply add the following line to your Podfile:

pod 'ExpandableCell'

Carthage

github "younatics/ExpandableCell"

GitHub