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jeantimexjeantimex
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Fixed the source file in pod spec.
1 parent c5ad8d8 commit 453c5bf

5 files changed

Lines changed: 313 additions & 2 deletions

‎Classes/CollapsibleTableSectionViewController.swift‎

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//
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// CollapsibleTableSectionViewController.swift
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// CollapsibleTableSectionViewController
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//
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// Created by Yong Su on 7/20/17.
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// Copyright © 2017 jeantimex. All rights reserved.
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//
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import UIKit
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//
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// MARK: - Section Data Structure
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//
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struct Item {
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var name: String
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var detail: String
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init(name: String, detail: String) {
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self.name = name
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self.detail = detail
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}
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}
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struct Section {
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var name: String
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var items: [Item]
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var collapsed: Bool
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init(name: String, items: [Item], collapsed: Bool = false) {
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self.name = name
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self.items = items
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self.collapsed = collapsed
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}
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}
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//
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// MARK: - View Controller
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//
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class CollapsibleTableSectionViewController: UITableViewController {
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var sections = [Section]()
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override func viewDidLoad() {
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super.viewDidLoad()
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// Auto resizing the height of the cell
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tableView.estimatedRowHeight = 44.0
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tableView.rowHeight = UITableViewAutomaticDimension
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}
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}
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//
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// MARK: - View Controller DataSource and Delegate
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//
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extension CollapsibleTableSectionViewController {
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override func numberOfSections(in tableView: UITableView) -> Int {
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return sections.count
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}
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override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
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return sections[section].collapsed ? 0 : sections[section].items.count
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}
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// Cell
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override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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let cell: CollapsibleTableViewCell = tableView.dequeueReusableCell(withIdentifier: "cell") as? CollapsibleTableViewCell ??
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CollapsibleTableViewCell(style: .default, reuseIdentifier: "cell")
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let item: Item = sections[(indexPath as NSIndexPath).section].items[(indexPath as NSIndexPath).row]
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cell.nameLabel.text = item.name
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cell.detailLabel.text = item.detail
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return cell
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}
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override func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
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return sections[(indexPath as NSIndexPath).section].collapsed ? 0 : UITableViewAutomaticDimension
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}
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// Header
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override func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
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let header = tableView.dequeueReusableHeaderFooterView(withIdentifier: "header") as? CollapsibleTableViewHeader ?? CollapsibleTableViewHeader(reuseIdentifier: "header")
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header.titleLabel.text = sections[section].name
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header.arrowLabel.text = ">"
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header.setCollapsed(sections[section].collapsed)
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header.section = section
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header.delegate = self
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return header
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}
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override func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
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return 44.0
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}
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override func tableView(_ tableView: UITableView, heightForFooterInSection section: Int) -> CGFloat {
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return 1.0
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}
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}
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//
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// MARK: - Section Header Delegate
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//
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extension CollapsibleTableSectionViewController: CollapsibleTableViewHeaderDelegate {
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func toggleSection(_ header: CollapsibleTableViewHeader, section: Int) {
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let collapsed = !sections[section].collapsed
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// Toggle collapse
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sections[section].collapsed = collapsed
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header.setCollapsed(collapsed)
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tableView.reloadSections(NSIndexSet(index: section) as IndexSet, with: .automatic)
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}
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}

‎Classes/CollapsibleTableViewCell.swift‎

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//
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// CollapsibleTableViewCell.swift
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// CollapsibleTableSectionViewController
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//
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// Created by Yong Su on 7/20/17.
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// Copyright © 2017 jeantimex. All rights reserved.
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//
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import UIKit
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class CollapsibleTableViewCell: UITableViewCell {
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let nameLabel = UILabel()
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let detailLabel = UILabel()
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// MARK: Initalizers
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override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
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super.init(style: style, reuseIdentifier: reuseIdentifier)
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let marginGuide = contentView.layoutMarginsGuide
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// configure nameLabel
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contentView.addSubview(nameLabel)
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nameLabel.translatesAutoresizingMaskIntoConstraints = false
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nameLabel.leadingAnchor.constraint(equalTo: marginGuide.leadingAnchor).isActive = true
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nameLabel.topAnchor.constraint(equalTo: marginGuide.topAnchor).isActive = true
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nameLabel.trailingAnchor.constraint(equalTo: marginGuide.trailingAnchor).isActive = true
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nameLabel.numberOfLines = 0
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nameLabel.font = UIFont.systemFont(ofSize: 16)
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// configure detailLabel
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contentView.addSubview(detailLabel)
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detailLabel.lineBreakMode = .byWordWrapping
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detailLabel.translatesAutoresizingMaskIntoConstraints = false
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detailLabel.leadingAnchor.constraint(equalTo: marginGuide.leadingAnchor).isActive = true
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detailLabel.bottomAnchor.constraint(equalTo: marginGuide.bottomAnchor).isActive = true
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detailLabel.trailingAnchor.constraint(equalTo: marginGuide.trailingAnchor).isActive = true
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detailLabel.topAnchor.constraint(equalTo: nameLabel.bottomAnchor, constant: 5).isActive = true
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detailLabel.numberOfLines = 0
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detailLabel.font = UIFont.systemFont(ofSize: 12)
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detailLabel.textColor = UIColor.lightGray
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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}

‎Classes/CollapsibleTableViewHeader.swift‎

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//
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// CollapsibleTableViewHeader.swift
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// CollapsibleTableSectionViewController
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//
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// Created by Yong Su on 7/20/17.
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// Copyright © 2017 jeantimex. All rights reserved.
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//
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import UIKit
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protocol CollapsibleTableViewHeaderDelegate {
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func toggleSection(_ header: CollapsibleTableViewHeader, section: Int)
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}
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class CollapsibleTableViewHeader: UITableViewHeaderFooterView {
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var delegate: CollapsibleTableViewHeaderDelegate?
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var section: Int = 0
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let titleLabel = UILabel()
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let arrowLabel = UILabel()
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override init(reuseIdentifier: String?) {
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super.init(reuseIdentifier: reuseIdentifier)
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//
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// Constraint the size of arrow label for auto layout
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//
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arrowLabel.widthAnchor.constraint(equalToConstant: 12).isActive = true
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titleLabel.translatesAutoresizingMaskIntoConstraints = false
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arrowLabel.translatesAutoresizingMaskIntoConstraints = false
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contentView.addSubview(titleLabel)
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contentView.addSubview(arrowLabel)
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//
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// Call tapHeader when tapping on this header
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//
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addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(CollapsibleTableViewHeader.tapHeader(_:))))
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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contentView.backgroundColor = UIColor(hex: 0x2E3944)
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titleLabel.textColor = UIColor.white
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arrowLabel.textColor = UIColor.white
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//
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// Autolayout the lables
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//
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let views = [
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"titleLabel" : titleLabel,
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"arrowLabel" : arrowLabel,
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]
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contentView.addConstraints(NSLayoutConstraint.constraints(
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withVisualFormat: "H:|-20-[titleLabel]-[arrowLabel]-20-|",
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options: [],
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metrics: nil,
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views: views
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))
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contentView.addConstraints(NSLayoutConstraint.constraints(
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withVisualFormat: "V:|-[titleLabel]-|",
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options: [],
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metrics: nil,
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views: views
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))
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contentView.addConstraints(NSLayoutConstraint.constraints(
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withVisualFormat: "V:|-[arrowLabel]-|",
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options: [],
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metrics: nil,
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views: views
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))
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}
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//
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// Trigger toggle section when tapping on the header
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//
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func tapHeader(_ gestureRecognizer: UITapGestureRecognizer) {
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guard let cell = gestureRecognizer.view as? CollapsibleTableViewHeader else {
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return
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}
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delegate?.toggleSection(self, section: cell.section)
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}
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func setCollapsed(_ collapsed: Bool) {
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//
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// Animate the arrow rotation (see Extensions.swf)
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//
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arrowLabel.rotate(collapsed ? 0.0 : .pi / 2)
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}
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}
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‎Classes/Extensions.swift‎

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//
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// Extensions.swift
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// CollapsibleTableSectionViewController
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//
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// Created by Yong Su on 7/20/17.
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// Copyright © 2017 jeantimex. All rights reserved.
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//
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import UIKit
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extension UIColor {
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convenience init(hex:Int, alpha:CGFloat = 1.0) {
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self.init(
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red: CGFloat((hex & 0xFF0000) >> 16) / 255.0,
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green: CGFloat((hex & 0x00FF00) >> 8) / 255.0,
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blue: CGFloat((hex & 0x0000FF) >> 0) / 255.0,
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alpha: alpha
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)
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}
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}
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extension UIView {
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func rotate(_ toValue: CGFloat, duration: CFTimeInterval = 0.2) {
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let animation = CABasicAnimation(keyPath: "transform.rotation")
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animation.toValue = toValue
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animation.duration = duration
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animation.isRemovedOnCompletion = false
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animation.fillMode = kCAFillModeForwards
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self.layer.add(animation, forKey: nil)
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}
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}

‎CollapsibleTableSectionViewController.podspec‎

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#
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s.name = "CollapsibleTableSectionViewController"
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s.version = "0.0.1"
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s.version = "0.0.2"
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s.summary = "Swift library to support collapsible sections in a table view."
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# This description is used to generate tags and improve search results.
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# Not including the public_header_files will make all headers public.
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#
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s.source_files = "Classes", "Classes/**/*.{h,m}"
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s.source_files = "Classes/**/*.swift"
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s.exclude_files = "Classes/Exclude"
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# s.public_header_files = "Classes/**/*.h"

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