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-//
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-// NCLayout.swift
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-// Nextcloud
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-//
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-// Created by Marino Faggiana on 05/11/2018.
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-// Copyright © 2018 Marino Faggiana. All rights reserved.
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-//
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-// Author Marino Faggiana <marino.faggiana@nextcloud.com>
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-//
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-// This program is free software: you can redistribute it and/or modify
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-// it under the terms of the GNU General Public License as published by
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-// the Free Software Foundation, either version 3 of the License, or
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-// (at your option) any later version.
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-//
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-// This program is distributed in the hope that it will be useful,
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-// but WITHOUT ANY WARRANTY; without even the implied warranty of
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-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-// GNU General Public License for more details.
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-//
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-// You should have received a copy of the GNU General Public License
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-// along with this program. If not, see <http://www.gnu.org/licenses/>.
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-//
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-
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-import Foundation
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-
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-class NCListLayout: UICollectionViewFlowLayout {
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-
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- let itemHeight: CGFloat = 60
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-
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- override init() {
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- super.init()
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-
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- sectionHeadersPinToVisibleBounds = false
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-
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- minimumInteritemSpacing = 0
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- minimumLineSpacing = 1
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-
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- self.scrollDirection = .vertical
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- self.sectionInset = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 0)
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- }
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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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-
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- override var itemSize: CGSize {
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- get {
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- if let collectionView = collectionView {
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- let itemWidth: CGFloat = collectionView.frame.width
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- return CGSize(width: itemWidth, height: self.itemHeight)
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- }
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-
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- // Default fallback
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- return CGSize(width: 100, height: 100)
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- }
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- set {
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- super.itemSize = newValue
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- }
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- }
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-
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- override func targetContentOffset(forProposedContentOffset proposedContentOffset: CGPoint) -> CGPoint {
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- return proposedContentOffset
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- }
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-}
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-
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-class NCGridLayout: UICollectionViewFlowLayout {
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-
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- var heightLabelPlusButton: CGFloat = 45
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- var marginLeftRight: CGFloat = 6
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- var itemForLine: CGFloat = 3
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-
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- override init() {
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- super.init()
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-
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- sectionHeadersPinToVisibleBounds = false
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-
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- minimumInteritemSpacing = 1
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- minimumLineSpacing = marginLeftRight
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-
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- self.scrollDirection = .vertical
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- self.sectionInset = UIEdgeInsets(top: 10, left: marginLeftRight, bottom: 0, right: marginLeftRight)
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- }
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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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-
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- override var itemSize: CGSize {
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- get {
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- if let collectionView = collectionView {
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-
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- let itemWidth: CGFloat = (collectionView.frame.width - marginLeftRight * 2 - marginLeftRight * (itemForLine - 1)) / itemForLine
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- let itemHeight: CGFloat = itemWidth + heightLabelPlusButton
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-
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- return CGSize(width: itemWidth, height: itemHeight)
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- }
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-
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- // Default fallback
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- return CGSize(width: 100, height: 100)
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- }
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- set {
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- super.itemSize = newValue
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- }
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- }
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-
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- override func targetContentOffset(forProposedContentOffset proposedContentOffset: CGPoint) -> CGPoint {
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- return proposedContentOffset
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- }
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-}
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-
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-class NCGridMediaLayout: UICollectionViewFlowLayout {
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-
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- var marginLeftRight: CGFloat = 6
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- var itemForLine: CGFloat = 3
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-
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- override init() {
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- super.init()
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-
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- sectionHeadersPinToVisibleBounds = false
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-
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- minimumInteritemSpacing = 0
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- minimumLineSpacing = marginLeftRight
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-
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- self.scrollDirection = .vertical
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- self.sectionInset = UIEdgeInsets(top: 0, left: marginLeftRight, bottom: 0, right: marginLeftRight)
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- }
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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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-
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- override var itemSize: CGSize {
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- get {
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- if let collectionView = collectionView {
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-
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- let itemWidth: CGFloat = (collectionView.frame.width - marginLeftRight * 2 - marginLeftRight * (itemForLine - 1)) / itemForLine
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- let itemHeight: CGFloat = itemWidth
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-
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- return CGSize(width: itemWidth, height: itemHeight)
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- }
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-
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- // Default fallback
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- return CGSize(width: 100, height: 100)
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- }
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- set {
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- super.itemSize = newValue
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- }
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- }
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-
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- override func targetContentOffset(forProposedContentOffset proposedContentOffset: CGPoint) -> CGPoint {
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- return proposedContentOffset
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- }
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-}
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-extension UICollectionView {
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-
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-var centerPoint : CGPoint {
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-
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- get {
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- return CGPoint(x: self.center.x + self.contentOffset.x, y: self.center.y + self.contentOffset.y);
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- }
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-}
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-
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-var centerCellIndexPath: IndexPath? {
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-
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- if let centerIndexPath: IndexPath = self.indexPathForItem(at: self.centerPoint) {
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- return centerIndexPath
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- }
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- return nil
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-}
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-}
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marinofaggiana