Make RSTree a local module.

This commit is contained in:
Brent Simmons
2025-04-22 21:25:06 -07:00
parent 4902bafe57
commit 590adb13cd
10 changed files with 530 additions and 55 deletions

View File

@@ -18,7 +18,7 @@ dependencies.append(contentsOf: [
let package = Package(
name: "Account",
platforms: [.macOS(.v13), .iOS(.v17)],
products: [
products: [
.library(
name: "Account",
type: .dynamic,

View File

@@ -93,8 +93,6 @@
5137C2E426F3F52D009EFEDB /* Sepia.nnwtheme in Resources */ = {isa = PBXBuildFile; fileRef = 5137C2E326F3F52D009EFEDB /* Sepia.nnwtheme */; };
5137C2E626F3F52D009EFEDB /* Sepia.nnwtheme in Resources */ = {isa = PBXBuildFile; fileRef = 5137C2E326F3F52D009EFEDB /* Sepia.nnwtheme */; };
51386A8E25673277005F3762 /* AccountCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 51386A8D25673276005F3762 /* AccountCell.swift */; };
5138E93A24D33E5600AFF0FE /* RSTree in Frameworks */ = {isa = PBXBuildFile; productRef = 5138E93924D33E5600AFF0FE /* RSTree */; };
5138E93B24D33E5600AFF0FE /* RSTree in Embed Frameworks */ = {isa = PBXBuildFile; productRef = 5138E93924D33E5600AFF0FE /* RSTree */; settings = {ATTRIBUTES = (CodeSignOnCopy, ); }; };
5138E94C24D3417A00AFF0FE /* RSDatabase in Frameworks */ = {isa = PBXBuildFile; productRef = 5138E94B24D3417A00AFF0FE /* RSDatabase */; };
5138E94D24D3417A00AFF0FE /* RSDatabase in Embed Frameworks */ = {isa = PBXBuildFile; productRef = 5138E94B24D3417A00AFF0FE /* RSDatabase */; settings = {ATTRIBUTES = (CodeSignOnCopy, ); }; };
513C5CF0232571C2003D4054 /* NetNewsWire iOS Share Extension.appex in Embed Foundation Extensions */ = {isa = PBXBuildFile; fileRef = 513C5CE6232571C2003D4054 /* NetNewsWire iOS Share Extension.appex */; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
@@ -116,8 +114,6 @@
5144EA51227B8E4500D19003 /* AccountsFeedbinWindowController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5144EA4F227B8E4500D19003 /* AccountsFeedbinWindowController.swift */; };
5144EA52227B8E4500D19003 /* AccountsFeedbin.xib in Resources */ = {isa = PBXBuildFile; fileRef = 5144EA50227B8E4500D19003 /* AccountsFeedbin.xib */; };
514C16CE24D2E63F009A3AFA /* Account in Frameworks */ = {isa = PBXBuildFile; productRef = 514C16CD24D2E63F009A3AFA /* Account */; };
514C16DE24D2EF15009A3AFA /* RSTree in Frameworks */ = {isa = PBXBuildFile; productRef = 514C16DD24D2EF15009A3AFA /* RSTree */; };
514C16DF24D2EF15009A3AFA /* RSTree in Embed Frameworks */ = {isa = PBXBuildFile; productRef = 514C16DD24D2EF15009A3AFA /* RSTree */; settings = {ATTRIBUTES = (CodeSignOnCopy, ); }; };
5154368B229404D1005E1CDF /* FaviconGenerator.swift in Sources */ = {isa = PBXBuildFile; fileRef = 51EF0F76227716200050506E /* FaviconGenerator.swift */; };
515D4FCA23257CB500EE1167 /* Node-Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 849A97971ED9EFAA007D329B /* Node-Extensions.swift */; };
515D4FCC2325815A00EE1167 /* SafariExt.js in Resources */ = {isa = PBXBuildFile; fileRef = 515D4FCB2325815A00EE1167 /* SafariExt.js */; };
@@ -158,8 +154,6 @@
51B5C8E623F4BBFA00032075 /* ExtensionFeedAddRequest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 51B5C87A23F2317700032075 /* ExtensionFeedAddRequest.swift */; };
51B5C8E723F4BBFA00032075 /* ExtensionFeedAddRequestFile.swift in Sources */ = {isa = PBXBuildFile; fileRef = 51B5C8BF23F3866C00032075 /* ExtensionFeedAddRequestFile.swift */; };
51BC2F3824D3439A00E90810 /* Account in Frameworks */ = {isa = PBXBuildFile; productRef = 51BC2F3724D3439A00E90810 /* Account */; };
51BC2F4824D3439E00E90810 /* RSTree in Frameworks */ = {isa = PBXBuildFile; productRef = 51BC2F4724D3439E00E90810 /* RSTree */; };
51BC2F4D24D343AB00E90810 /* RSTree in Frameworks */ = {isa = PBXBuildFile; productRef = 51BC2F4C24D343AB00E90810 /* RSTree */; };
51BC4AFF247277E0000A6ED8 /* URL-Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 51BC4ADD247277DF000A6ED8 /* URL-Extensions.swift */; };
51BC4B01247277E0000A6ED8 /* URL-Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 51BC4ADD247277DF000A6ED8 /* URL-Extensions.swift */; };
51C03081257D815A00609262 /* UnifiedWindow.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 51C0307F257D815A00609262 /* UnifiedWindow.storyboard */; };
@@ -373,6 +367,12 @@
84E8E0DB202EC49300562D8F /* TimelineViewController+ContextualMenus.swift in Sources */ = {isa = PBXBuildFile; fileRef = 84E8E0DA202EC49300562D8F /* TimelineViewController+ContextualMenus.swift */; };
84E8E0EB202F693600562D8F /* DetailWebView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 84E8E0EA202F693600562D8F /* DetailWebView.swift */; };
84E95D241FB1087500552D99 /* ArticlePasteboardWriter.swift in Sources */ = {isa = PBXBuildFile; fileRef = 84E95D231FB1087500552D99 /* ArticlePasteboardWriter.swift */; };
84EE3F122DB8A088009D3A8D /* RSTree in Frameworks */ = {isa = PBXBuildFile; productRef = 84EE3F112DB8A088009D3A8D /* RSTree */; };
84EE3F132DB8A088009D3A8D /* RSTree in Embed Frameworks */ = {isa = PBXBuildFile; productRef = 84EE3F112DB8A088009D3A8D /* RSTree */; settings = {ATTRIBUTES = (CodeSignOnCopy, ); }; };
84EE3F152DB8A0A0009D3A8D /* RSTree in Frameworks */ = {isa = PBXBuildFile; productRef = 84EE3F142DB8A0A0009D3A8D /* RSTree */; };
84EE3F162DB8A0A0009D3A8D /* RSTree in Embed Frameworks */ = {isa = PBXBuildFile; productRef = 84EE3F142DB8A0A0009D3A8D /* RSTree */; settings = {ATTRIBUTES = (CodeSignOnCopy, ); }; };
84EE3F182DB8A0AC009D3A8D /* RSTree in Frameworks */ = {isa = PBXBuildFile; productRef = 84EE3F172DB8A0AC009D3A8D /* RSTree */; };
84EE3F1B2DB8A0B6009D3A8D /* RSTree in Frameworks */ = {isa = PBXBuildFile; productRef = 84EE3F1A2DB8A0B6009D3A8D /* RSTree */; };
84F204E01FAACBB30076E152 /* ArticleArray.swift in Sources */ = {isa = PBXBuildFile; fileRef = 84F204DF1FAACBB30076E152 /* ArticleArray.swift */; };
84F2D5371FC22FCC00998D64 /* PseudoFeed.swift in Sources */ = {isa = PBXBuildFile; fileRef = 84F2D5351FC22FCB00998D64 /* PseudoFeed.swift */; };
84F2D5381FC22FCC00998D64 /* TodayFeedDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 84F2D5361FC22FCB00998D64 /* TodayFeedDelegate.swift */; };
@@ -548,9 +548,9 @@
513F32782593EE6F0003048F /* Secrets in Embed Frameworks */,
843E2F1B2CF2B8C500ED170F /* RSWeb in Embed Frameworks */,
513F327B2593EE6F0003048F /* SyncDatabase in Embed Frameworks */,
84EE3F162DB8A0A0009D3A8D /* RSTree in Embed Frameworks */,
513F32722593EE6F0003048F /* Articles in Embed Frameworks */,
513F32812593EF180003048F /* Account in Embed Frameworks */,
5138E93B24D33E5600AFF0FE /* RSTree in Embed Frameworks */,
5138E94D24D3417A00AFF0FE /* RSDatabase in Embed Frameworks */,
513F32752593EE6F0003048F /* ArticlesDatabase in Embed Frameworks */,
);
@@ -594,11 +594,11 @@
513277442590FBB60064F1E7 /* Account in Embed Frameworks */,
5132775F2590FC640064F1E7 /* Articles in Embed Frameworks */,
843E2F182CF2B8A700ED170F /* RSWeb in Embed Frameworks */,
84EE3F132DB8A088009D3A8D /* RSTree in Embed Frameworks */,
51A737C024DB197F0015FA66 /* RSDatabase in Embed Frameworks */,
513277662590FC780064F1E7 /* Secrets in Embed Frameworks */,
513277652590FC640064F1E7 /* SyncDatabase in Embed Frameworks */,
513277622590FC640064F1E7 /* ArticlesDatabase in Embed Frameworks */,
514C16DF24D2EF15009A3AFA /* RSTree in Embed Frameworks */,
);
name = "Embed Frameworks";
runOnlyForDeploymentPostprocessing = 0;
@@ -863,6 +863,7 @@
84E8E0DA202EC49300562D8F /* TimelineViewController+ContextualMenus.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "TimelineViewController+ContextualMenus.swift"; sourceTree = "<group>"; };
84E8E0EA202F693600562D8F /* DetailWebView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DetailWebView.swift; sourceTree = "<group>"; };
84E95D231FB1087500552D99 /* ArticlePasteboardWriter.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ArticlePasteboardWriter.swift; sourceTree = "<group>"; };
84EE3F102DB8A078009D3A8D /* RSTree */ = {isa = PBXFileReference; lastKnownFileType = wrapper; path = RSTree; sourceTree = "<group>"; };
84F204DF1FAACBB30076E152 /* ArticleArray.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ArticleArray.swift; sourceTree = "<group>"; };
84F2D5351FC22FCB00998D64 /* PseudoFeed.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = PseudoFeed.swift; sourceTree = "<group>"; };
84F2D5361FC22FCB00998D64 /* TodayFeedDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = TodayFeedDelegate.swift; sourceTree = "<group>"; };
@@ -994,7 +995,7 @@
files = (
27B86EEB25A53AAB00264340 /* Account in Frameworks */,
848E84DB2DB749860023F3BA /* RSCore in Frameworks */,
51BC2F4D24D343AB00E90810 /* RSTree in Frameworks */,
84EE3F1B2DB8A0B6009D3A8D /* RSTree in Frameworks */,
);
runOnlyForDeploymentPostprocessing = 0;
};
@@ -1004,7 +1005,7 @@
files = (
51BC2F3824D3439A00E90810 /* Account in Frameworks */,
848E84D82DB749720023F3BA /* RSCore in Frameworks */,
51BC2F4824D3439E00E90810 /* RSTree in Frameworks */,
84EE3F182DB8A0AC009D3A8D /* RSTree in Frameworks */,
);
runOnlyForDeploymentPostprocessing = 0;
};
@@ -1026,6 +1027,7 @@
isa = PBXFrameworksBuildPhase;
buildActionMask = 2147483647;
files = (
84EE3F152DB8A0A0009D3A8D /* RSTree in Frameworks */,
848E84D52DB749670023F3BA /* RSCore in Frameworks */,
179D280B26F6F93D003B2E0A /* Zip in Frameworks */,
8424B31B2DB73D530053AA11 /* RSParser in Frameworks */,
@@ -1038,7 +1040,6 @@
51E4DB082425F9EB0091EB5B /* CloudKit.framework in Frameworks */,
513F32742593EE6F0003048F /* ArticlesDatabase in Frameworks */,
513F327A2593EE6F0003048F /* SyncDatabase in Frameworks */,
5138E93A24D33E5600AFF0FE /* RSTree in Frameworks */,
);
runOnlyForDeploymentPostprocessing = 0;
};
@@ -1050,8 +1051,8 @@
848E84D02DB749440023F3BA /* RSCoreResources in Frameworks */,
513277642590FC640064F1E7 /* SyncDatabase in Frameworks */,
17192ADA2567B3D500AAEACA /* RSSparkle in Frameworks */,
514C16DE24D2EF15009A3AFA /* RSTree in Frameworks */,
5132775E2590FC640064F1E7 /* Articles in Frameworks */,
84EE3F122DB8A088009D3A8D /* RSTree in Frameworks */,
513277612590FC640064F1E7 /* ArticlesDatabase in Frameworks */,
51C4CFF624D37DD500AF9874 /* Secrets in Frameworks */,
179C39EA26F76B0500D4E741 /* Zip in Frameworks */,
@@ -1534,6 +1535,7 @@
51CD32C724D2E06C009ABAEF /* Secrets */,
51CD32A824D2CB25009ABAEF /* SyncDatabase */,
8424B3162DB73D320053AA11 /* RSParser */,
84EE3F102DB8A078009D3A8D /* RSTree */,
843E2F152CF2B43700ED170F /* RSWeb */,
848E84CB2DB749300023F3BA /* RSCore */,
);
@@ -1908,8 +1910,8 @@
name = "NetNewsWire iOS Intents Extension";
packageProductDependencies = (
51BC2F4A24D343A500E90810 /* Account */,
51BC2F4C24D343AB00E90810 /* RSTree */,
848E84DA2DB749860023F3BA /* RSCore */,
84EE3F1A2DB8A0B6009D3A8D /* RSTree */,
);
productName = "NetNewsWire iOS Intents Extension";
productReference = 51314637235A7BBE00387FDC /* NetNewsWire iOS Intents Extension.appex */;
@@ -1932,8 +1934,8 @@
name = "NetNewsWire iOS Share Extension";
packageProductDependencies = (
51BC2F3724D3439A00E90810 /* Account */,
51BC2F4724D3439E00E90810 /* RSTree */,
848E84D72DB749720023F3BA /* RSCore */,
84EE3F172DB8A0AC009D3A8D /* RSTree */,
);
productName = "NetNewsWire iOS Share Extension";
productReference = 513C5CE6232571C2003D4054 /* NetNewsWire iOS Share Extension.appex */;
@@ -1998,7 +2000,6 @@
name = "NetNewsWire-iOS";
packageProductDependencies = (
516B695E24D2F33B00B5702F /* Account */,
5138E93924D33E5600AFF0FE /* RSTree */,
5138E94B24D3417A00AFF0FE /* RSDatabase */,
513F32702593EE6F0003048F /* Articles */,
513F32732593EE6F0003048F /* ArticlesDatabase */,
@@ -2008,6 +2009,7 @@
843E2F192CF2B8C500ED170F /* RSWeb */,
8424B31A2DB73D530053AA11 /* RSParser */,
848E84D42DB749670023F3BA /* RSCore */,
84EE3F142DB8A0A0009D3A8D /* RSTree */,
);
productName = "NetNewsWire-iOS";
productReference = 840D617C2029031C009BC708 /* NetNewsWire.app */;
@@ -2037,7 +2039,6 @@
name = NetNewsWire;
packageProductDependencies = (
514C16CD24D2E63F009A3AFA /* Account */,
514C16DD24D2EF15009A3AFA /* RSTree */,
51C4CFF524D37DD500AF9874 /* Secrets */,
51A737BE24DB197F0015FA66 /* RSDatabase */,
17192AD92567B3D500AAEACA /* RSSparkle */,
@@ -2050,6 +2051,7 @@
8424B3172DB73D4C0053AA11 /* RSParser */,
848E84CC2DB749440023F3BA /* RSCore */,
848E84CF2DB749440023F3BA /* RSCoreResources */,
84EE3F112DB8A088009D3A8D /* RSTree */,
);
productName = NetNewsWire;
productReference = 849C64601ED37A5D003D8FC0 /* NetNewsWire.app */;
@@ -2154,7 +2156,6 @@
);
mainGroup = 849C64571ED37A5D003D8FC0;
packageReferences = (
510ECA4024D1DCD0001C31A6 /* XCRemoteSwiftPackageReference "RSTree" */,
51B0DF0D24D24E3B000AD99E /* XCRemoteSwiftPackageReference "RSDatabase" */,
17192AD82567B3D500AAEACA /* XCRemoteSwiftPackageReference "Sparkle-Binary" */,
519CA8E325841DB700EB079A /* XCRemoteSwiftPackageReference "plcrashreporter" */,
@@ -3185,14 +3186,6 @@
revision = 059e7346082d02de16220cd79df7db18ddeba8c3;
};
};
510ECA4024D1DCD0001C31A6 /* XCRemoteSwiftPackageReference "RSTree" */ = {
isa = XCRemoteSwiftPackageReference;
repositoryURL = "https://github.com/Ranchero-Software/RSTree.git";
requirement = {
kind = upToNextMajorVersion;
minimumVersion = 1.0.0;
};
};
519CA8E325841DB700EB079A /* XCRemoteSwiftPackageReference "plcrashreporter" */ = {
isa = XCRemoteSwiftPackageReference;
repositoryURL = "https://github.com/microsoft/plcrashreporter.git";
@@ -3247,11 +3240,6 @@
isa = XCSwiftPackageProductDependency;
productName = SyncDatabase;
};
5138E93924D33E5600AFF0FE /* RSTree */ = {
isa = XCSwiftPackageProductDependency;
package = 510ECA4024D1DCD0001C31A6 /* XCRemoteSwiftPackageReference "RSTree" */;
productName = RSTree;
};
5138E94B24D3417A00AFF0FE /* RSDatabase */ = {
isa = XCSwiftPackageProductDependency;
package = 51B0DF0D24D24E3B000AD99E /* XCRemoteSwiftPackageReference "RSDatabase" */;
@@ -3277,11 +3265,6 @@
isa = XCSwiftPackageProductDependency;
productName = Account;
};
514C16DD24D2EF15009A3AFA /* RSTree */ = {
isa = XCSwiftPackageProductDependency;
package = 510ECA4024D1DCD0001C31A6 /* XCRemoteSwiftPackageReference "RSTree" */;
productName = RSTree;
};
516B695E24D2F33B00B5702F /* Account */ = {
isa = XCSwiftPackageProductDependency;
productName = Account;
@@ -3300,20 +3283,10 @@
isa = XCSwiftPackageProductDependency;
productName = Account;
};
51BC2F4724D3439E00E90810 /* RSTree */ = {
isa = XCSwiftPackageProductDependency;
package = 510ECA4024D1DCD0001C31A6 /* XCRemoteSwiftPackageReference "RSTree" */;
productName = RSTree;
};
51BC2F4A24D343A500E90810 /* Account */ = {
isa = XCSwiftPackageProductDependency;
productName = Account;
};
51BC2F4C24D343AB00E90810 /* RSTree */ = {
isa = XCSwiftPackageProductDependency;
package = 510ECA4024D1DCD0001C31A6 /* XCRemoteSwiftPackageReference "RSTree" */;
productName = RSTree;
};
51C4CFF524D37DD500AF9874 /* Secrets */ = {
isa = XCSwiftPackageProductDependency;
productName = Secrets;
@@ -3366,6 +3339,22 @@
isa = XCSwiftPackageProductDependency;
productName = RSCore;
};
84EE3F112DB8A088009D3A8D /* RSTree */ = {
isa = XCSwiftPackageProductDependency;
productName = RSTree;
};
84EE3F142DB8A0A0009D3A8D /* RSTree */ = {
isa = XCSwiftPackageProductDependency;
productName = RSTree;
};
84EE3F172DB8A0AC009D3A8D /* RSTree */ = {
isa = XCSwiftPackageProductDependency;
productName = RSTree;
};
84EE3F1A2DB8A0B6009D3A8D /* RSTree */ = {
isa = XCSwiftPackageProductDependency;
productName = RSTree;
};
/* End XCSwiftPackageProductDependency section */
};
rootObject = 849C64581ED37A5D003D8FC0 /* Project object */;

View File

@@ -19,15 +19,6 @@
"version": "1.0.0"
}
},
{
"package": "RSTree",
"repositoryURL": "https://github.com/Ranchero-Software/RSTree.git",
"state": {
"branch": null,
"revision": "9d051f42cfc4faa991fd79cdb32e4cc8c545e334",
"version": "1.0.0"
}
},
{
"package": "RSSparkle",
"repositoryURL": "https://github.com/Ranchero-Software/Sparkle-Binary.git",

18
RSTree/Package.swift Normal file
View File

@@ -0,0 +1,18 @@
// swift-tools-version:5.10
import PackageDescription
let package = Package(
name: "RSTree",
platforms: [.macOS(.v13), .iOS(.v17)],
products: [
.library(
name: "RSTree",
type: .dynamic,
targets: ["RSTree"]),
],
targets: [
.target(
name: "RSTree",
dependencies: []),
]
)

View File

@@ -0,0 +1,58 @@
//
// NSOutlineView+RSTree.swift
// RSTree
//
// Created by Brent Simmons on 9/5/16.
// Copyright © 2016 Ranchero Software, LLC. All rights reserved.
//
#if os(OSX)
import AppKit
public extension NSOutlineView {
@discardableResult
func revealAndSelectNodeAtPath(_ nodePath: NodePath) -> Bool {
// Returns true on success. Expands folders on the way. May succeed partially (returns false, in that case).
let numberOfNodes = nodePath.components.count
if numberOfNodes < 2 {
return false
}
let indexOfNodeToSelect = numberOfNodes - 1
for i in 1...indexOfNodeToSelect { // Start at 1 to skip root node.
let oneNode = nodePath.components[i]
let oneRow = row(forItem: oneNode)
if oneRow < 0 {
return false
}
if i == indexOfNodeToSelect {
selectRowIndexes(NSIndexSet(index: oneRow) as IndexSet, byExtendingSelection: false)
scrollRowToVisible(oneRow)
return true
}
else {
expandItem(oneNode)
}
}
return false
}
@discardableResult
func revealAndSelectRepresentedObject(_ representedObject: AnyObject, _ treeController: TreeController) -> Bool {
guard let nodePath = NodePath(representedObject: representedObject, treeController: treeController) else {
return false
}
return revealAndSelectNodeAtPath(nodePath)
}
}
#endif

View File

@@ -0,0 +1,224 @@
//
// Node.swift
// NetNewsWire
//
// Created by Brent Simmons on 7/21/15.
// Copyright © 2015 Ranchero Software, LLC. All rights reserved.
//
import Foundation
// Main thread only.
public final class Node: Hashable {
public weak var parent: Node?
public let representedObject: AnyObject
public var canHaveChildNodes = false
public var isGroupItem = false
public var childNodes = [Node]()
public let uniqueID: Int
private static var incrementingID = 0
public var isRoot: Bool {
if let _ = parent {
return false
}
return true
}
public var numberOfChildNodes: Int {
return childNodes.count
}
public var indexPath: IndexPath {
if let parent = parent {
let parentPath = parent.indexPath
if let childIndex = parent.indexOfChild(self) {
return parentPath.appending(childIndex)
}
preconditionFailure("A Nodes parent must contain it as a child.")
}
return IndexPath(index: 0) //root node
}
public var level: Int {
if let parent = parent {
return parent.level + 1
}
return 0
}
public var isLeaf: Bool {
return numberOfChildNodes < 1
}
public init(representedObject: AnyObject, parent: Node?) {
precondition(Thread.isMainThread)
self.representedObject = representedObject
self.parent = parent
self.uniqueID = Node.incrementingID
Node.incrementingID += 1
}
public class func genericRootNode() -> Node {
let node = Node(representedObject: TopLevelRepresentedObject(), parent: nil)
node.canHaveChildNodes = true
return node
}
public func existingOrNewChildNode(with representedObject: AnyObject) -> Node {
if let node = childNodeRepresentingObject(representedObject) {
return node
}
return createChildNode(representedObject)
}
public func createChildNode(_ representedObject: AnyObject) -> Node {
// Just creates doesnt add it.
return Node(representedObject: representedObject, parent: self)
}
public func childAtIndex(_ index: Int) -> Node? {
if index >= childNodes.count || index < 0 {
return nil
}
return childNodes[index]
}
public func indexOfChild(_ node: Node) -> Int? {
return childNodes.firstIndex{ (oneChildNode) -> Bool in
oneChildNode === node
}
}
public func childNodeRepresentingObject(_ obj: AnyObject) -> Node? {
return findNodeRepresentingObject(obj, recursively: false)
}
public func descendantNodeRepresentingObject(_ obj: AnyObject) -> Node? {
return findNodeRepresentingObject(obj, recursively: true)
}
public func descendantNode(where test: (Node) -> Bool) -> Node? {
return findNode(where: test, recursively: true)
}
public func hasAncestor(in nodes: [Node]) -> Bool {
for node in nodes {
if node.isAncestor(of: self) {
return true
}
}
return false
}
public func isAncestor(of node: Node) -> Bool {
if node == self {
return false
}
var nomad = node
while true {
guard let parent = nomad.parent else {
return false
}
if parent == self {
return true
}
nomad = parent
}
}
public class func nodesOrganizedByParent(_ nodes: [Node]) -> [Node: [Node]] {
let nodesWithParents = nodes.filter { $0.parent != nil }
return Dictionary(grouping: nodesWithParents, by: { $0.parent! })
}
public class func indexSetsGroupedByParent(_ nodes: [Node]) -> [Node: IndexSet] {
let d = nodesOrganizedByParent(nodes)
let indexSetDictionary = d.mapValues { (nodes) -> IndexSet in
var indexSet = IndexSet()
if nodes.isEmpty {
return indexSet
}
let parent = nodes.first!.parent!
for node in nodes {
if let index = parent.indexOfChild(node) {
indexSet.insert(index)
}
}
return indexSet
}
return indexSetDictionary
}
// MARK: - Hashable
public func hash(into hasher: inout Hasher) {
hasher.combine(uniqueID)
}
// MARK: - Equatable
public class func ==(lhs: Node, rhs: Node) -> Bool {
return lhs === rhs
}
}
public extension Array where Element == Node {
func representedObjects() -> [AnyObject] {
return self.map{ $0.representedObject }
}
}
private extension Node {
func findNodeRepresentingObject(_ obj: AnyObject, recursively: Bool = false) -> Node? {
for childNode in childNodes {
if childNode.representedObject === obj {
return childNode
}
if recursively, let foundNode = childNode.descendantNodeRepresentingObject(obj) {
return foundNode
}
}
return nil
}
func findNode(where test: (Node) -> Bool, recursively: Bool = false) -> Node? {
for childNode in childNodes {
if test(childNode) {
return childNode
}
if recursively, let foundNode = childNode.findNode(where: test, recursively: recursively) {
return foundNode
}
}
return nil
}
}

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//
// NodePath.swift
// RSTree
//
// Created by Brent Simmons on 9/5/16.
// Copyright © 2016 Ranchero Software, LLC. All rights reserved.
//
import Foundation
public struct NodePath {
let components: [Node]
public init(node: Node) {
var tempArray = [node]
var nomad: Node = node
while true {
if let parent = nomad.parent {
tempArray.append(parent)
nomad = parent
}
else {
break
}
}
self.components = tempArray.reversed()
}
public init?(representedObject: AnyObject, treeController: TreeController) {
if let node = treeController.nodeInTreeRepresentingObject(representedObject) {
self.init(node: node)
}
else {
return nil
}
}
}

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struct RSTree {
var text = "Hello, World!"
}

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//
// TopLevelRepresentedObject.swift
// RSTree
//
// Created by Brent Simmons on 8/10/16.
// Copyright © 2016 Ranchero Software, LLC. All rights reserved.
//
import Foundation
// Handy to use as the represented object for a root node. Not required to use it, though.
final class TopLevelRepresentedObject {
}

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//
// TreeController.swift
// NetNewsWire
//
// Created by Brent Simmons on 5/29/16.
// Copyright © 2016 Ranchero Software, LLC. All rights reserved.
//
import Foundation
public protocol TreeControllerDelegate: class {
func treeController(treeController: TreeController, childNodesFor: Node) -> [Node]?
}
public typealias NodeVisitBlock = (_ : Node) -> Void
public final class TreeController {
private weak var delegate: TreeControllerDelegate?
public let rootNode: Node
public init(delegate: TreeControllerDelegate, rootNode: Node) {
self.delegate = delegate
self.rootNode = rootNode
rebuild()
}
public convenience init(delegate: TreeControllerDelegate) {
self.init(delegate: delegate, rootNode: Node.genericRootNode())
}
@discardableResult
public func rebuild() -> Bool {
// Rebuild and re-sort. Return true if any changes in the entire tree.
return rebuildChildNodes(node: rootNode)
}
public func visitNodes(_ visitBlock: NodeVisitBlock) {
visitNode(rootNode, visitBlock)
}
public func nodeInArrayRepresentingObject(nodes: [Node], representedObject: AnyObject, recurse: Bool = false) -> Node? {
for oneNode in nodes {
if oneNode.representedObject === representedObject {
return oneNode
}
if recurse, oneNode.canHaveChildNodes {
if let foundNode = nodeInArrayRepresentingObject(nodes: oneNode.childNodes, representedObject: representedObject, recurse: recurse) {
return foundNode
}
}
}
return nil
}
public func nodeInTreeRepresentingObject(_ representedObject: AnyObject) -> Node? {
return nodeInArrayRepresentingObject(nodes: [rootNode], representedObject: representedObject, recurse: true)
}
public func normalizedSelectedNodes(_ nodes: [Node]) -> [Node] {
// An array of nodes might include a leaf node and its parent. Remove the leaf node.
var normalizedNodes = [Node]()
for node in nodes {
if !node.hasAncestor(in: nodes) {
normalizedNodes += [node]
}
}
return normalizedNodes
}
}
private extension TreeController {
func visitNode(_ node: Node, _ visitBlock: NodeVisitBlock) {
visitBlock(node)
node.childNodes.forEach{ (oneChildNode) in
visitNode(oneChildNode, visitBlock)
}
}
func nodeArraysAreEqual(_ nodeArray1: [Node]?, _ nodeArray2: [Node]?) -> Bool {
if nodeArray1 == nil && nodeArray2 == nil {
return true
}
if nodeArray1 != nil && nodeArray2 == nil {
return false
}
if nodeArray1 == nil && nodeArray2 != nil {
return false
}
return nodeArray1! == nodeArray2!
}
func rebuildChildNodes(node: Node) -> Bool {
if !node.canHaveChildNodes {
return false
}
var childNodesDidChange = false
let childNodes = delegate?.treeController(treeController: self, childNodesFor: node) ?? [Node]()
childNodesDidChange = !nodeArraysAreEqual(childNodes, node.childNodes)
if (childNodesDidChange) {
node.childNodes = childNodes
}
childNodes.forEach{ (oneChildNode) in
if rebuildChildNodes(node: oneChildNode) {
childNodesDidChange = true
}
}
return childNodesDidChange
}
}