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49 lines
2.1 KiB
Swift
49 lines
2.1 KiB
Swift
// The MIT License (MIT)
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//
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// Copyright (c) 2015 Joakim Gyllström
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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import UIKit
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/**
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Takes multiple UICollectionViewDataSources and joins them into one section
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*/
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class ComposedCollectionViewDataSource: NSObject, UICollectionViewDataSource {
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let dataSources: [UICollectionViewDataSource]
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init(dataSources: [UICollectionViewDataSource]) {
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self.dataSources = dataSources
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super.init()
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}
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func numberOfSectionsInCollectionView(collectionView: UICollectionView) -> Int {
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return dataSources.count
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}
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func collectionView(collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
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return dataSources[section].collectionView(collectionView, numberOfItemsInSection: 0)
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}
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func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell {
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return dataSources[indexPath.section].collectionView(collectionView, cellForItemAtIndexPath: NSIndexPath(forItem: indexPath.row, inSection: 0))
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}
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}
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