From 272e247c97f3305d6de452c9817b1d8029b3160c Mon Sep 17 00:00:00 2001
From: Dolan Miu <dolan_miu@hotmail.com>
Date: Sun, 24 Dec 2023 03:19:21 +0000
Subject: [PATCH] Add default tab stop

---
 demo/75-tab-stops.ts                   | 7 ++++---
 src/file/core-properties/properties.ts | 1 +
 src/file/file.ts                       | 1 +
 src/file/settings/settings.ts          | 8 +++++++-
 4 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/demo/75-tab-stops.ts b/demo/75-tab-stops.ts
index 4f8768a6c85..b379fc01a6e 100644
--- a/demo/75-tab-stops.ts
+++ b/demo/75-tab-stops.ts
@@ -11,13 +11,14 @@ const receiptTabStops = [
     // (end position of 1st) + (end position of current)
     // columnWidth + columnWidth = columnWidth * 2
 
-    { type: TabStopType.RIGHT, position: columnWidth * 2 },
-    { type: TabStopType.RIGHT, position: columnWidth * 3 },
-    { type: TabStopType.RIGHT, position: TabStopPosition.MAX },
+    { type: TabStopType.RIGHT, position: 0 },
+    { type: TabStopType.RIGHT, position: 0 },
+    { type: TabStopType.RIGHT, position: 0 },
 ];
 const twoTabStops = [{ type: TabStopType.RIGHT, position: TabStopPosition.MAX }];
 
 const doc = new Document({
+    defaultTabStop: 0,
     sections: [
         {
             properties: {},
diff --git a/src/file/core-properties/properties.ts b/src/file/core-properties/properties.ts
index b09b2d97d0c..d2628021428 100644
--- a/src/file/core-properties/properties.ts
+++ b/src/file/core-properties/properties.ts
@@ -39,6 +39,7 @@ export interface IPropertiesOptions {
     readonly compatibility?: ICompatibilityOptions;
     readonly customProperties?: readonly ICustomPropertyOptions[];
     readonly evenAndOddHeaderAndFooters?: boolean;
+    readonly defaultTabStop?: number;
 }
 
 // <xs:element name="coreProperties" type="CT_CoreProperties"/>
diff --git a/src/file/file.ts b/src/file/file.ts
index 136380be9fd..1046d874a57 100644
--- a/src/file/file.ts
+++ b/src/file/file.ts
@@ -77,6 +77,7 @@ export class File {
             evenAndOddHeaders: options.evenAndOddHeaderAndFooters ? true : false,
             trackRevisions: options.features?.trackRevisions,
             updateFields: options.features?.updateFields,
+            defaultTabStop: options.defaultTabStop,
         });
 
         this.media = new Media();
diff --git a/src/file/settings/settings.ts b/src/file/settings/settings.ts
index 76fe4c51fb7..ad89de7b497 100644
--- a/src/file/settings/settings.ts
+++ b/src/file/settings/settings.ts
@@ -1,4 +1,4 @@
-import { OnOffElement, XmlAttributeComponent, XmlComponent } from "@file/xml-components";
+import { NumberValueElement, OnOffElement, XmlAttributeComponent, XmlComponent } from "@file/xml-components";
 
 import { Compatibility, ICompatibilityOptions } from "./compatibility";
 
@@ -152,6 +152,7 @@ export interface ISettingsOptions {
     readonly trackRevisions?: boolean;
     readonly updateFields?: boolean;
     readonly compatibility?: ICompatibilityOptions;
+    readonly defaultTabStop?: number;
 }
 
 export class Settings extends XmlComponent {
@@ -198,6 +199,11 @@ export class Settings extends XmlComponent {
             this.root.push(new OnOffElement("w:updateFields", options.updateFields));
         }
 
+        // https://c-rex.net/samples/ooxml/e1/Part4/OOXML_P4_DOCX_defaultTabStop_topic_ID0EIXSX.html
+        if (options.defaultTabStop !== undefined) {
+            this.root.push(new NumberValueElement("w:defaultTabStop", options.defaultTabStop));
+        }
+
         this.root.push(
             new Compatibility({
                 ...(options.compatibility ?? {}),