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ASSection+Initialisers.swift 8.54 KiB
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// ASCollectionView. Created by Apptek Studios 2019
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import Foundation
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import SwiftUI
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// MARK: DYNAMIC CONTENT SECTION
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@available(iOS 13.0, *)
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public extension ASSection
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{
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	/**
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	 Initializes a  section with data
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	 - Parameters:
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	 - id: The id for this section
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	 - data: The data to display in the section. This initialiser expects data that conforms to 'Identifiable'
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	 - dataID: The keypath to a hashable identifier of each data item
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	 - onCellEvent: Use this to respond to cell appearance/disappearance, and preloading events.
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	 - onDragDropEvent: Define this closure to enable drag/drop and respond to events (default is nil: drag/drop disabled)
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	 - contentBuilder: A closure returning a SwiftUI view for the given data item
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	 */
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	init<DataCollection: RandomAccessCollection, DataID: Hashable, Content: View, Container: View>(
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		id: SectionID,
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		data: DataCollection,
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		dataID dataIDKeyPath: KeyPath<DataCollection.Element, DataID>,
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		container: @escaping ((Content, ASCellContext) -> Container),
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		selectionMode: ASSectionSelectionMode = .none,
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		shouldAllowHighlight: ((_ index: Int) -> Bool)? = nil,
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		shouldAllowSelection: ((_ index: Int) -> Bool)? = nil,
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		shouldAllowDeselection: ((_ index: Int) -> Bool)? = nil,
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		onCellEvent: OnCellEvent<DataCollection.Element>? = nil,
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		dragDropConfig: ASDragDropConfig<DataCollection.Element> = .disabled,
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		shouldAllowSwipeToDelete: ShouldAllowSwipeToDelete? = nil,
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		onSwipeToDelete: OnSwipeToDelete<DataCollection.Element>? = nil,
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		contextMenuProvider: ContextMenuProvider<DataCollection.Element>? = nil,
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		@ViewBuilder contentBuilder: @escaping ((DataCollection.Element, ASCellContext) -> Content))
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		where DataCollection.Index == Int
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	{
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		self.id = id
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		dataSource = ASSectionDataSource<DataCollection, DataID, Content, Container>(
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			data: data,
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			dataIDKeyPath: dataIDKeyPath,
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			container: container,
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			content: contentBuilder,
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			selectionMode: selectionMode,
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			shouldAllowHighlight: shouldAllowHighlight,
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			shouldAllowSelection: shouldAllowSelection,
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			shouldAllowDeselection: shouldAllowDeselection,
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			onCellEvent: onCellEvent,
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			dragDropConfig: dragDropConfig,
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			shouldAllowSwipeToDelete: shouldAllowSwipeToDelete,
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			onSwipeToDelete: onSwipeToDelete,
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			contextMenuProvider: contextMenuProvider)
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	}
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	init<DataCollection: RandomAccessCollection, DataID: Hashable, Content: View>(
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		id: SectionID,
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		data: DataCollection,
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		dataID dataIDKeyPath: KeyPath<DataCollection.Element, DataID>,
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		selectionMode: ASSectionSelectionMode = .none,
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		shouldAllowHighlight: ((_ index: Int) -> Bool)? = nil,
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		shouldAllowSelection: ((_ index: Int) -> Bool)? = nil,
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		shouldAllowDeselection: ((_ index: Int) -> Bool)? = nil,
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		onCellEvent: OnCellEvent<DataCollection.Element>? = nil,
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		dragDropConfig: ASDragDropConfig<DataCollection.Element> = .disabled,
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		shouldAllowSwipeToDelete: ShouldAllowSwipeToDelete? = nil,
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		onSwipeToDelete: OnSwipeToDelete<DataCollection.Element>? = nil,
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		contextMenuProvider: ContextMenuProvider<DataCollection.Element>? = nil,
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		@ViewBuilder contentBuilder: @escaping ((DataCollection.Element, ASCellContext) -> Content))
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		where DataCollection.Index == Int
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{ self.init(id: id, data: data, dataID: dataIDKeyPath, container: { content, _ in content }, selectionMode: selectionMode, shouldAllowHighlight: shouldAllowHighlight, shouldAllowSelection: shouldAllowSelection, shouldAllowDeselection: shouldAllowDeselection, onCellEvent: onCellEvent, dragDropConfig: dragDropConfig, shouldAllowSwipeToDelete: shouldAllowSwipeToDelete, onSwipeToDelete: onSwipeToDelete, contextMenuProvider: contextMenuProvider, contentBuilder: contentBuilder) } } // MARK: IDENTIFIABLE DATA SECTION @available(iOS 13.0, *) public extension ASCollectionViewSection { /** Initializes a section with identifiable data - Parameters: - id: The id for this section - data: The data to display in the section. This initialiser expects data that conforms to 'Identifiable' - onCellEvent: Use this to respond to cell appearance/disappearance, and preloading events. - onDragDropEvent: Define this closure to enable drag/drop and respond to events (default is nil: drag/drop disabled) - contentBuilder: A closure returning a SwiftUI view for the given data item */ init<Content: View, Container: View, DataCollection: RandomAccessCollection>( id: SectionID, data: DataCollection, container: @escaping ((Content, ASCellContext) -> Container), selectionMode: ASSectionSelectionMode = .none, shouldAllowHighlight: ((_ index: Int) -> Bool)? = nil, shouldAllowSelection: ((_ index: Int) -> Bool)? = nil, shouldAllowDeselection: ((_ index: Int) -> Bool)? = nil, onCellEvent: OnCellEvent<DataCollection.Element>? = nil, dragDropConfig: ASDragDropConfig<DataCollection.Element> = .disabled, shouldAllowSwipeToDelete: ShouldAllowSwipeToDelete? = nil, onSwipeToDelete: OnSwipeToDelete<DataCollection.Element>? = nil, contextMenuProvider: ContextMenuProvider<DataCollection.Element>? = nil, @ViewBuilder contentBuilder: @escaping ((DataCollection.Element, ASCellContext) -> Content)) where DataCollection.Index == Int, DataCollection.Element: Identifiable { self.init(id: id, data: data, dataID: \.id, container: container, selectionMode: selectionMode, shouldAllowHighlight: shouldAllowHighlight, shouldAllowSelection: shouldAllowSelection, shouldAllowDeselection: shouldAllowDeselection, onCellEvent: onCellEvent, dragDropConfig: dragDropConfig, shouldAllowSwipeToDelete: shouldAllowSwipeToDelete, onSwipeToDelete: onSwipeToDelete, contextMenuProvider: contextMenuProvider, contentBuilder: contentBuilder) } init<Content: View, DataCollection: RandomAccessCollection>( id: SectionID, data: DataCollection, selectionMode: ASSectionSelectionMode = .none, shouldAllowHighlight: ((_ index: Int) -> Bool)? = nil, shouldAllowSelection: ((_ index: Int) -> Bool)? = nil, shouldAllowDeselection: ((_ index: Int) -> Bool)? = nil, onCellEvent: OnCellEvent<DataCollection.Element>? = nil, dragDropConfig: ASDragDropConfig<DataCollection.Element> = .disabled, shouldAllowSwipeToDelete: ShouldAllowSwipeToDelete? = nil, onSwipeToDelete: OnSwipeToDelete<DataCollection.Element>? = nil, contextMenuProvider: ContextMenuProvider<DataCollection.Element>? = nil, @ViewBuilder contentBuilder: @escaping ((DataCollection.Element, ASCellContext) -> Content)) where DataCollection.Index == Int, DataCollection.Element: Identifiable { self.init(id: id, data: data, container: { content, _ in content }, selectionMode: selectionMode, shouldAllowHighlight: shouldAllowHighlight, shouldAllowSelection: shouldAllowSelection, shouldAllowDeselection: shouldAllowDeselection, onCellEvent: onCellEvent, dragDropConfig: dragDropConfig, shouldAllowSwipeToDelete: shouldAllowSwipeToDelete, onSwipeToDelete: onSwipeToDelete, contextMenuProvider: contextMenuProvider, contentBuilder: contentBuilder) } } // MARK: STATIC CONTENT SECTION @available(iOS 13.0, *) public extension ASCollectionViewSection { /** Initializes a section with static content - Parameters: - id: The id for this section - content: A closure returning a number of SwiftUI views to display in the collection view */ init<Container: View>(id: SectionID, container: @escaping ((AnyView, ASCellContext) -> Container), @ViewArrayBuilder content: () -> ViewArrayBuilder.Wrapper)
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{ self.id = id dataSource = ASSectionDataSource<[ASCollectionViewStaticContent], ASCollectionViewStaticContent.ID, AnyView, Container>( data: content().flattened().enumerated().map { ASCollectionViewStaticContent(index: $0.offset, view: $0.element) }, dataIDKeyPath: \.id, container: container, content: { staticContent, _ in staticContent.view }, dragDropConfig: .disabled) } init(id: SectionID, @ViewArrayBuilder content: () -> ViewArrayBuilder.Wrapper) { self.init(id: id, container: { content, _ in content }, content: content) } /** Initializes a section with a single view - Parameters: - id: The id for this section - content: A single SwiftUI views to display in the collection view */ init<Content: View, Container: View>(id: SectionID, container: @escaping ((AnyView, ASCellContext) -> Container), content: () -> Content) { self.id = id dataSource = ASSectionDataSource<[ASCollectionViewStaticContent], ASCollectionViewStaticContent.ID, AnyView, Container>( data: [ASCollectionViewStaticContent(index: 0, view: AnyView(content()))], dataIDKeyPath: \.id, container: container, content: { staticContent, _ in staticContent.view }, dragDropConfig: .disabled) } init<Content: View>(id: SectionID, content: () -> Content) { self.init(id: id, container: { content, _ in content }, content: content) } }