sw_redlinehide_3: update fields on redline ops

Can't tell which chapter/reference fields will be affected by a redline,
so we have to either update all of them, or rely on the
IDocumentSettingAccess::getFieldUpdateFlags() which lets the SwIdle
update the fields, at some later time...

Change-Id: I3b9cfd17bd227a18f64dac193f0cc912768810c1

sw/source/core/doc/DocumentRedlineManager.cxx

@@ -22,6 +22,7 @@
 #include <txtfrm.hxx>
 #include <doc.hxx>
 #include <IDocumentUndoRedo.hxx>
+#include <IDocumentFieldsAccess.hxx>
 #include <IDocumentState.hxx>
 #include <redline.hxx>
 #include <UndoRedline.hxx>
@@ -29,6 +30,7 @@
 #include <ndtxt.hxx>
 #include <unocrsr.hxx>
 #include <ftnidx.hxx>
+#include <authfld.hxx>
 #include <strings.hrc>
 #include <swmodule.hxx>
 #include <editsh.hxx>
@@ -119,6 +121,20 @@ using namespace com::sun::star;
 
 namespace sw {
 
+static void UpdateFieldsForRedline(IDocumentFieldsAccess & rIDFA)
+{
+    auto const pAuthType(static_cast<SwAuthorityFieldType*>(rIDFA.GetFieldType(
+        SwFieldIds::TableOfAuthorities, OUString(), false)));
+    if (pAuthType) // created on demand...
+    {
+        pAuthType->DelSequenceArray();
+    }
+    rIDFA.GetFieldType(SwFieldIds::RefPageGet, OUString(), false)->UpdateFields();
+    rIDFA.GetSysFieldType(SwFieldIds::Chapter)->UpdateFields();
+    rIDFA.UpdateExpFields(nullptr, false);
+    rIDFA.UpdateRefFields();
+}
+
 void UpdateFramesForAddDeleteRedline(SwDoc & rDoc, SwPaM const& rPam)
 {
     // no need to call UpdateFootnoteNums for FTNNUM_PAGE:
@@ -148,6 +164,8 @@ void UpdateFramesForAddDeleteRedline(SwDoc & rDoc, SwPaM const& rPam)
         // node of the merged frame, there could be another redline nearby
         sw::AddRemoveFlysAnchoredToFrameStartingAtNode(*pFrame, *pStartNode, nullptr);
     }
+    // fields last - SwGetRefField::UpdateField requires up-to-date frames
+    UpdateFieldsForRedline(rDoc.getIDocumentFieldsAccess()); // after footnotes
 }
 
 void UpdateFramesForRemoveDeleteRedline(SwDoc & rDoc, SwPaM const& rPam)
@@ -205,6 +223,8 @@ void UpdateFramesForRemoveDeleteRedline(SwDoc & rDoc, SwPaM const& rPam)
             AppendAllObjs(rDoc.GetSpzFrameFormats(), pLayout);
         }
     }
+    // fields last - SwGetRefField::UpdateField requires up-to-date frames
+    UpdateFieldsForRedline(rDoc.getIDocumentFieldsAccess()); // after footnotes
 }
 
 } // namespace sw