From 321a4ab0eb14b940fb913bbb89db497375c08de7 Mon Sep 17 00:00:00 2001
From: Oliver <oliver@noreply.localhost>
Date: Sat, 6 Dec 2025 23:12:52 -0700
Subject: [PATCH] Implement the startingSidebarTab setting (closes #3)

---
 langs/en-ca.json                       |  7 ++++
 module/hooks/init.mjs                  |  3 ++
 module/settings/startingSidebarTab.mjs | 52 ++++++++++++++++++++++++++
 3 files changed, 62 insertions(+)
 create mode 100644 module/settings/startingSidebarTab.mjs

diff --git a/langs/en-ca.json b/langs/en-ca.json
index d9af351..0a10f5a 100644
--- a/langs/en-ca.json
+++ b/langs/en-ca.json
@@ -12,6 +12,13 @@
 			"startSidebarExpanded": {
 				"name": "Start Sidebar Expanded",
 				"hint": "(v13+) Starts the right-hand sidebar expanded when logging in."
+			},
+			"startingSidebarTab": {
+				"name": "Starting Sidebar Tab",
+				"hint": "(v13+) Determines what sidebar tab to have selected initially when loading Foundry",
+				"choices": {
+					"blank": "No Custom Default Tab"
+				}
 			}
 		}
 	}
diff --git a/module/hooks/init.mjs b/module/hooks/init.mjs
index bba91c1..82a87e4 100644
--- a/module/hooks/init.mjs
+++ b/module/hooks/init.mjs
@@ -1,6 +1,7 @@
 import { __ID } from "../consts.mjs";
 import { chatSidebarBackground } from "../settings/chatSidebarBackground.mjs";
 import { preventUserConfigOpen } from "../settings/preventUserConfigOpen.mjs";
+import { startingSidebarTab } from "../settings/startingSidebarTab.mjs";
 import { startSidebarExpanded } from "../settings/startSidebarExpanded.mjs";
 
 Hooks.once(`init`, () => {
@@ -9,4 +10,6 @@ Hooks.once(`init`, () => {
 	chatSidebarBackground.register();
 	preventUserConfigOpen.register();
 	startSidebarExpanded.register();
+
+	startingSidebarTab();
 });
diff --git a/module/settings/startingSidebarTab.mjs b/module/settings/startingSidebarTab.mjs
new file mode 100644
index 0000000..1863269
--- /dev/null
+++ b/module/settings/startingSidebarTab.mjs
@@ -0,0 +1,52 @@
+import { __ID } from "../consts.mjs";
+import { Logger } from "../utils/Logger.mjs";
+
+const key = `startingSidebarTab`;
+
+export function startingSidebarTab() {
+	Logger.log(`Registering ${key} setting`);
+
+	// #region Registration
+	game.settings.register(__ID, key, {
+		name: `OFT.setting.${key}.name`,
+		hint: `OFT.setting.${key}.hint`,
+		type: new foundry.data.fields.StringField({
+			blank: true,
+			nullable: false,
+			required: true,
+			choices: () => {
+				const tabs = Object.entries(CONFIG.ui.sidebar.TABS);
+
+				const tabChoices = {
+					"": `OFT.setting.${key}.choices.blank`,
+				};
+				for (const [id, data] of tabs) {
+					let { documentName, gmOnly, tooltip: name } = data;
+					if (gmOnly && !game.user.isGM) { continue };
+
+					if (documentName) {
+						name ??= foundry.utils.getDocumentClass(documentName).metadata.labelPlural;
+					};
+
+					tabChoices[id] = name;
+				};
+
+				return tabChoices;
+			},
+		}),
+		config: true,
+		requiresReload: false,
+	});
+	// #endregion Registration
+
+	// #region Implementation
+	Hooks.once(`ready`, () => {
+		const defaultTab = game.settings.get(__ID, key);
+		if (defaultTab) {
+			Logger.debug(`Changing tab to:`, defaultTab);
+			ui.sidebar.changeTab(defaultTab, `primary`);
+		};
+	});
+	// #endregion Implementation
+};
+