From f2c5d20b55a07542a6d9a6a94a95989f777bb2d1 Mon Sep 17 00:00:00 2001
From: fernfei <fernfei@china.com>
Date: Tue, 14 May 2024 21:19:19 +0800
Subject: [PATCH] fix: Fix watermark can't cover entire document and affect
 header page text see
 https://forum.onlyoffice.com/t/regarding-the-issue-of-your-text-here-appearing-when-adding-and-then-removing-a-watermark/8981
 https://forum.onlyoffice.com/t/when-the-document-has-multiple-pages-the-watermark-cannot-be-displayed-on-each-page-of-the-document/6703/4?u=hufei

---
 word/Editor/Document.js     | 30 +++++++++++++++++++++++++++++-
 word/Editor/HeaderFooter.js | 24 ++++++++++++++++++++++++
 2 files changed, 53 insertions(+), 1 deletion(-)

diff --git a/word/Editor/Document.js b/word/Editor/Document.js
index a4a0c3bab2..04aa10cbe1 100644
--- a/word/Editor/Document.js
+++ b/word/Editor/Document.js
@@ -12401,7 +12401,35 @@ CDocument.prototype.SetWatermarkProps = function(oProps)
 		return;
 
 	this.StartAction(AscDFH.historydescription_Document_AddWatermark);
-	this.SetWatermarkPropsAction(oProps);
+    for (let pageIndex = 0; pageIndex < this.Pages.length; pageIndex++) {
+        // Определим четность страницы и является ли она первой в данной секции. Заметим, что четность страницы
+        // отсчитывается от начала текущей секции и не зависит от настроек нумерации страниц для данной секции.
+        var SectionPageInfo = this.Get_SectionPageNumInfo( pageIndex );
+
+        var bFirst = SectionPageInfo.bFirst;
+        var bEven  = SectionPageInfo.bEven;
+
+        // Запросим нужный нам колонтитул
+        var HdrFtr = this.Get_SectionHdrFtr( pageIndex, bFirst, bEven );
+
+        var Header = HdrFtr.Header;
+        var Footer = HdrFtr.Footer;
+        var SectPr = HdrFtr.SectPr;
+
+        if (!Header && SectPr.IsTitlePage()) {
+            Header = new CHeaderFooter(this.GetHdrFtr(), this, this.Get_DrawingDocument(), hdrftr_Header);
+            SectPr.Set_Header_First(Header);
+        }else if (!Header && SectPr.IsEvenAndOdd()) {
+            Header = new CHeaderFooter(this.GetHdrFtr(), this, this.Get_DrawingDocument(), hdrftr_Header);
+            SectPr.Set_Header_First(Header);
+        } else if(!Header){
+            Header = new CHeaderFooter(this.GetHdrFtr(), this, this.Get_DrawingDocument(), hdrftr_Header);
+            SectPr.Set_Header_Default(Header);
+        }
+        if(Header){
+            Header.SetWatermarkPropsAction(oProps);
+        }
+    }
 	this.Recalculate();
 	this.Document_UpdateInterfaceState();
 	this.Document_UpdateSelectionState();
diff --git a/word/Editor/HeaderFooter.js b/word/Editor/HeaderFooter.js
index 17e0ca6857..b105334bf3 100644
--- a/word/Editor/HeaderFooter.js
+++ b/word/Editor/HeaderFooter.js
@@ -1321,6 +1321,30 @@ CHeaderFooter.prototype =
 		return this.Content.CanAddComment();
 	}
 };
+CHeaderFooter.prototype.SetWatermarkPropsAction = function (oProps) {
+    const oLogicDocument = this.LogicDocument;
+    let oWatermark = this.FindWatermark();
+    if(oWatermark)
+    {
+        if(oWatermark.GraphicObj.selected)
+        {
+            this.RemoveSelection(true);
+        }
+        oWatermark.Remove_FromDocument(false);
+    }
+    oWatermark = oLogicDocument.DrawingObjects.createWatermark(oProps);
+    if(oWatermark)
+    {
+        const oDocState = oLogicDocument.Get_SelectionState2();
+        const oContent = this.Content;
+        var paraRun = new ParaRun(null, false);
+        paraRun.Add(oWatermark);
+        var oFirstParagraph = oContent.GetFirstParagraph();
+        oFirstParagraph.AddToContentToEnd(paraRun);
+        oLogicDocument.Set_SelectionState2(oDocState);
+        return oWatermark;
+    }
+};
 CHeaderFooter.prototype.UpdateContentToDefaults = function()
 {
 	this.Content.ClearContent(true);