An extension of UITableView/UICollectionView's super class, it will display a placeholder emptyDataS...
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TBEmptyDataSet
TBEmptyDataSet is an extension of UITableView/UICollectionView's super class, it will display a placeholder emptyDataSet when the data of tableView/collectionView is empty.
TBEmptyDataSet can be composed of an image, a title and a description, or you can set it as a custom view.
How To Get Started
Carthage
Specify "TBEmptyDataSet" in your
Cartfile:
ogdl github "teambition/TBEmptyDataSet"
CocoaPods
Specify "TBEmptyDataSet" in your
Podfile: ```ruby source 'https://github.com/CocoaPods/Specs.git' platform :ios, '8.0' use_frameworks!
pod 'TBEmptyDataSet' ```
Usage
1. Assign the data source and delegate
tableView.emptyDataSetDataSource = self tableView.emptyDataSetDelegate = self
2. Implement the data source and delegate
Data source functions: ```swift func imageForEmptyDataSet(in scrollView: UIScrollView) -> UIImage? { // return the image for EmptyDataSet }
func titleForEmptyDataSet(in scrollView: UIScrollView) -> NSAttributedString? { // return the title for EmptyDataSet }
func descriptionForEmptyDataSet(in scrollView: UIScrollView) -> NSAttributedString? { // return the description for EmptyDataSet }
func imageTintColorForEmptyDataSet(in scrollView: UIScrollView) -> UIColor? { // return the image tint color for EmptyDataSet }
func backgroundColorForEmptyDataSet(in scrollView: UIScrollView) -> UIColor? { // return the backgroundColor for EmptyDataSet }
func verticalOffsetForEmptyDataSet(in scrollView: UIScrollView) -> CGFloat { // return the vertical offset for EmptyDataSet, default is 0 }
func verticalSpacesForEmptyDataSet(in scrollView: UIScrollView) -> [CGFloat] { // return the vertical spaces from top to bottom for EmptyDataSet, default is [12, 12] }
func titleMarginForEmptyDataSet(in scrollView: UIScrollView) -> CGFloat { // return the minimum horizontal margin space for title, default is 15 }
func descriptionMarginForEmptyDataSet(in scrollView: UIScrollView) -> CGFloat { // return the minimum horizontal margin space for description, default is 15 }
func customViewForEmptyDataSet(in scrollView: UIScrollView) -> UIView? { // return an UIView instance for EmptyDataSet }
Delegate functions:swift func emptyDataSetShouldDisplay(in scrollView: UIScrollView) -> Bool { // should display EmptyDataSet or not, default is true }
func emptyDataSetTapEnabled(in scrollView: UIScrollView) -> Bool { // enable tap gesture or not, default is true }
func emptyDataSetScrollEnabled(in scrollView: UIScrollView) -> Bool { // scrollView can scroll or not, default is false }
func emptyDataSetDidTapEmptyView(in scrollView: UIScrollView) { // do something }
func emptyDataSetWillAppear(in scrollView: UIScrollView) { // do something }
func emptyDataSetDidAppear(in scrollView: UIScrollView) { // do something }
func emptyDataSetWillDisappear(in scrollView: UIScrollView) { // do something }
func emptyDataSetDidDisappear(in scrollView: UIScrollView) { // do something } ```
3. Data source events (inserting, deleting, reloading, etc.)
TBEmptyDataSet will update automatically when the data source of table view or collection view changes.
To be specific: * For UITableView, it updates when
endUpdates()is called. * For both UITableView and UICollectionView, it updates when
performBatchUpdates(_:completion:)is completed. * For both UITableView and UICollectionView, it updates when
reloadData()is called.
Minimum Requirement
iOS 8.0
Release Notes
License
TBEmptyDataSet is released under the MIT license. See LICENSE for details.
More Info
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