From ba970a4597180626c471588d9338c2e13e0bc2a3 Mon Sep 17 00:00:00 2001
From: Adam Yarris <adamyarris@gmail.com>
Date: Wed, 24 Apr 2024 20:33:17 -0400
Subject: [PATCH] Added reverse alphabetical order for files/headers

---
 src/models/PluginSettingsTab.ts   | 56 +++++++++++++++++++++++--------
 src/types/MarkdownTextRenderer.ts |  9 +++--
 2 files changed, 49 insertions(+), 16 deletions(-)

diff --git a/src/models/PluginSettingsTab.ts b/src/models/PluginSettingsTab.ts
index eeffc84..5cfe426 100644
--- a/src/models/PluginSettingsTab.ts
+++ b/src/models/PluginSettingsTab.ts
@@ -1,6 +1,12 @@
 import {App, PluginSettingTab, Setting, TextAreaComponent} from "obsidian";
 import FolderIndexPlugin from "../main";
 
+export enum SortBy {
+	None = "Disabled",
+	Alphabetically = "Alphabetically",
+	ReverseAlphabetically = "Reverse Alphabetically"
+}
+
 export interface PluginSetting {
 	graphOverwrite: boolean;
 	//skipFirstHeadline: boolean;
@@ -12,8 +18,8 @@ export interface PluginSetting {
 	autoRenameIndexFile: boolean;
 	hideIndexFiles: boolean;
 	autoPreviewMode: boolean;
-	sortIndexFilesAlphabetically: boolean;
-	sortHeadersAlphabetically: boolean;
+	sortIndexFiles: SortBy;
+	sortHeaders: SortBy;
 	recursiveIndexFiles: boolean;
 	renderFolderBold: boolean;
 	renderFolderItalic: boolean;
@@ -34,8 +40,8 @@ export const DEFAULT_SETTINGS: PluginSetting = {
 	hideIndexFiles: false,
 	indexFileInitText: "---\ntags: MOCs\n---\n```folder-index-content\n```",
 	autoPreviewMode: false,
-	sortIndexFilesAlphabetically: true,
-	sortHeadersAlphabetically: false,
+	sortIndexFiles: SortBy.Alphabetically,
+	sortHeaders: SortBy.None,
 	recursiveIndexFiles: false,
 	renderFolderBold: true,
 	renderFolderItalic: false,
@@ -214,20 +220,42 @@ export class PluginSettingsTab extends PluginSettingTab {
 		new Setting(containerEl)
 			.setName("Sort Files Alphabetically")
 			.setDesc("This will sort the Files alphabetically")
-			.addToggle(component => component.setValue(this.plugin.settings.sortIndexFilesAlphabetically)
-				.onChange(async (value) => {
-					this.plugin.settings.sortIndexFilesAlphabetically = value
-					await this.plugin.saveSettings()
-				}))
+			.addDropdown(component => {
+				for (const key in SortBy) {
+					if (!isNaN(Number(key))) continue;
+
+					const enumKey: SortBy = SortBy[key as keyof typeof SortBy];
+					const enumValue: string = SortBy[key as keyof typeof SortBy];
+
+					component.addOption(enumKey, enumValue);
+				}
+
+				component.setValue(this.plugin.settings.sortIndexFiles)
+					.onChange(async (value) => {
+						this.plugin.settings.sortIndexFiles = value as SortBy
+						await this.plugin.saveSettings()
+					})
+			})
 
 		new Setting(containerEl)
 			.setName("Sort Headers Alphabetically")
 			.setDesc("This will sort the Headers within a file alphabetically")
-			.addToggle(component => component.setValue(this.plugin.settings.sortHeadersAlphabetically)
-				.onChange(async (value) => {
-					this.plugin.settings.sortHeadersAlphabetically = value
-					await this.plugin.saveSettings()
-				}))
+			.addDropdown(component => {
+				for (const key in SortBy) {
+					if (!isNaN(Number(key))) continue;
+
+					const enumKey: SortBy = SortBy[key as keyof typeof SortBy];
+					const enumValue: string = SortBy[key as keyof typeof SortBy];
+
+					component.addOption(enumKey, enumValue);
+				}
+
+				component.setValue(this.plugin.settings.sortHeaders)
+					.onChange(async (value) => {
+						this.plugin.settings.sortHeaders = value as SortBy
+						await this.plugin.saveSettings()
+					})
+			})
 
 		new Setting(containerEl)
 			.setName("Build IndexFiles Recursively")
diff --git a/src/types/MarkdownTextRenderer.ts b/src/types/MarkdownTextRenderer.ts
index 7541bb5..1a1033e 100644
--- a/src/types/MarkdownTextRenderer.ts
+++ b/src/types/MarkdownTextRenderer.ts
@@ -1,6 +1,7 @@
 import {App, HeadingCache, TAbstractFile, TFile, TFolder} from "obsidian";
 import FolderIndexPlugin from "../main";
 import {isExcludedPath, isIndexFile} from "./Utilities";
+import {SortBy} from "../models/PluginSettingsTab";
 
 type FileTree = (TFile | TFolder)[]
 type HeaderWrapper = {
@@ -71,8 +72,10 @@ export class MarkdownTextRenderer {
 	private buildHeaderMarkdownText(file: TFile, headerTree: HeaderWrapper[], indentLevel: number, headlineLevel: number): string {
 		let markdownText = ""
 
-		if (this.plugin.settings.sortHeadersAlphabetically) {
+		if (this.plugin.settings.sortHeaders === SortBy.Alphabetically) {
 			headerTree.sort((a, b) => a.header.heading.localeCompare(b.header.heading))
+		} else if (this.plugin.settings.sortHeaders === SortBy.ReverseAlphabetically) {
+			headerTree.sort((a, b) => b.header.heading.localeCompare(a.header.heading))
 		}
 
 		for (const headerWrapper of headerTree) {
@@ -192,8 +195,10 @@ export class MarkdownTextRenderer {
 				fileTree.push(file)
 			}
 		}
-		if (this.plugin.settings.sortIndexFilesAlphabetically) {
+		if (this.plugin.settings.sortIndexFiles === SortBy.Alphabetically) {
 			fileTree.sort((a, b) => a.name.localeCompare(b.name))
+		} else if (this.plugin.settings.sortIndexFiles === SortBy.ReverseAlphabetically) {
+			fileTree.sort((a, b) => b.name.localeCompare(a.name))
 		}
 		return fileTree
 	}