tdf#129270: sw: do not copy list level on paragraph cut

Current list level (RES_PARATR_LIST_LEVEL) is initialized
before, but current value can overwrite it with invalid
in given context. So we could have mismatch of outline
style (which are not overwritten) and actual list level.

Change-Id: Ibf34a6f35b922493c4a1477326ea6c1599b4938f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/120212
Tested-by: Jenkins
Reviewed-by: Michael Stahl <michael.stahl@allotropia.de>
(cherry picked from commit a72f2dcf73df9b9f4420cc93aa57a77c165a0fcb)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/120358

3 files changed, 35 insertions, 1 deletions

diff --git a/sw/qa/extras/uiwriter/data/tdf129270.odt b/sw/qa/extras/uiwriter/data/tdf129270.odt
new file mode 100644
index 000000000000..e86c1f872153
--- /dev/null
+++ b/sw/qa/extras/uiwriter/data/tdf129270.odt
diff --git a/sw/qa/extras/uiwriter/uiwriter4.cxx b/sw/qa/extras/uiwriter/uiwriter4.cxx
index 3d008a7e1801..ac0938d28624 100644
--- a/sw/qa/extras/uiwriter/uiwriter4.cxx
+++ b/sw/qa/extras/uiwriter/uiwriter4.cxx
@@ -278,6 +278,7 @@ public:
     void testRedlineAutoCorrect();
     void testRedlineAutoCorrect2();
     void testEmojiAutoCorrect();
+    void testTdf129270();
     void testInsertPdf();
 
     CPPUNIT_TEST_SUITE(SwUiWriterTest4);
@@ -393,6 +394,7 @@ public:
     CPPUNIT_TEST(testRedlineAutoCorrect);
     CPPUNIT_TEST(testRedlineAutoCorrect2);
     CPPUNIT_TEST(testEmojiAutoCorrect);
+    CPPUNIT_TEST(testTdf129270);
     CPPUNIT_TEST(testInsertPdf);
     CPPUNIT_TEST_SUITE_END();
 };
@@ -3613,6 +3615,30 @@ void SwUiWriterTest4::testInsertLongDateFormat()
     CPPUNIT_ASSERT(xField->getString().indexOf(" ") > -1);
 }
 
+void SwUiWriterTest4::testTdf129270()
+{
+    SwDoc* pDoc = createSwDoc(DATA_DIRECTORY, "tdf129270.odt");
+    CPPUNIT_ASSERT(pDoc);
+    SwWrtShell* pWrtShell = pDoc->GetDocShell()->GetWrtShell();
+    CPPUNIT_ASSERT(pWrtShell);
+    SwXTextDocument* pXTextDocument = dynamic_cast<SwXTextDocument*>(mxComponent.get());
+    CPPUNIT_ASSERT(pXTextDocument);
+
+    // Go to document end
+    pWrtShell->SttEndDoc(/*bStt=*/false);
+
+    // Press enter
+    pXTextDocument->postKeyEvent(LOK_KEYEVENT_KEYINPUT, 0, KEY_RETURN);
+    Scheduler::ProcessEventsToIdle();
+
+    // Numbering for previous outline should remain the same "2"
+    CPPUNIT_ASSERT_EQUAL(OUString("2"), getProperty<OUString>(getParagraph(4), "ListLabelString"));
+
+    // Numbering for newly created outline should be "2.1"
+    CPPUNIT_ASSERT_EQUAL(OUString("2.1"),
+                         getProperty<OUString>(getParagraph(5), "ListLabelString"));
+}
+
 void SwUiWriterTest4::testInsertPdf()
 {
     auto pPdfium = vcl::pdf::PDFiumLibrary::get();
diff --git a/sw/source/core/txtnode/ndtxt.cxx b/sw/source/core/txtnode/ndtxt.cxx
index da69da7209d3..b4b70f52c7f9 100644
--- a/sw/source/core/txtnode/ndtxt.cxx
+++ b/sw/source/core/txtnode/ndtxt.cxx
@@ -2497,7 +2497,15 @@ void SwTextNode::CutImpl( SwTextNode * const pDest, const SwIndex & rDestStart,
         }
         else
         {
-            GetpSwAttrSet()->CopyToModify( *pDest );
+            // Copy all attrs except RES_PARATR_LIST_LEVEL: it was initialized before
+            // and current SwTextNode can contain not suitable for pDest value
+            SfxItemSet aCharSet(
+                pDest->GetDoc().GetAttrPool(),
+                                svl::Items<RES_CHRATR_BEGIN, RES_PARATR_LIST_LEVEL - 1,
+                                           RES_PARATR_LIST_LEVEL + 1, HINT_END>{});
+            aCharSet.Put(*GetpSwAttrSet());
+            if (aCharSet.Count())
+                pDest->SetAttr(aCharSet, nDestStart, nDestStart + nLen);
         }
     }