Resolves: #i124179# trigger update User Fields...

and related Input Fields when user directly edits a User Field Input Field

- assure that no recursive updates occur

(cherry picked from commit 3c2b5242)

Conflicts:
	sw/inc/txtfld.hxx
	sw/source/core/fields/expfld.cxx
	sw/source/core/fields/usrfld.cxx

Change-Id: I36af4d5e8008f16737e3ec14c1ec737a5f43d3b1

sw/inc/expfld.hxx

@@ -308,6 +308,9 @@ class SW_DLLPUBLIC SwInputField : public SwField
     // Accessing Input Field's content
     const OUString& getContent() const;
 
+    void LockNotifyContentChange();
+    void UnlockNotifyContentChange();
+
 public:
     /// Direct input via dialog; delete old value.
     SwInputField(

sw/inc/txtfld.hxx

@@ -83,6 +83,8 @@ public:
 
     virtual sal_Int32* GetEnd();
 
+    void LockNotifyContentChange();
+    void UnlockNotifyContentChange();
     virtual void NotifyContentChange( SwFmtFld& rFmtFld );
 
     void UpdateTextNodeContent( const OUString& rNewContent );
@@ -92,6 +94,8 @@ public:
 
 private:
     sal_Int32 m_nEnd;
+
+    bool m_bLockNotifyContentChange;
 };
 
 #endif

sw/source/core/fields/expfld.cxx

@@ -1145,12 +1145,35 @@ SwFmtFld* SwInputField::GetFmtFld()
     return mpFmtFld;
 }
 
-
 const OUString& SwInputField::getContent() const
 {
     return aContent;
 }
 
+void SwInputField::LockNotifyContentChange()
+{
+    if ( GetFmtFld() != NULL )
+    {
+        SwTxtInputFld* pTxtInputFld = dynamic_cast< SwTxtInputFld* >(GetFmtFld()->GetTxtFld());
+        if ( pTxtInputFld != NULL )
+        {
+            pTxtInputFld->LockNotifyContentChange();
+        }
+    }
+}
+
+void SwInputField::UnlockNotifyContentChange()
+{
+    if ( GetFmtFld() != NULL )
+    {
+        SwTxtInputFld* pTxtInputFld = dynamic_cast< SwTxtInputFld* >(GetFmtFld()->GetTxtFld());
+        if ( pTxtInputFld != NULL )
+        {
+            pTxtInputFld->UnlockNotifyContentChange();
+        }
+    }
+}
+
 void SwInputField::applyFieldContent( const OUString& rNewFieldContent )
 {
     if ( (nSubType & 0x00ff) == INP_TXT )
@@ -1164,6 +1187,13 @@ void SwInputField::applyFieldContent( const OUString& rNewFieldContent )
         if( pUserTyp )
         {
             pUserTyp->SetContent( rNewFieldContent );
+
+            // trigger update of the corresponding User Fields and other related Input Fields
+            {
+                LockNotifyContentChange();
+                pUserTyp->UpdateFlds();
+                UnlockNotifyContentChange();
+            }
         }
     }
 }

sw/source/core/fields/usrfld.cxx

@@ -202,8 +202,14 @@ void SwUserFieldType::Modify( const SfxPoolItem* pOld, const SfxPoolItem* pNew )
         ChgValid( false );
 
     NotifyClients( pOld, pNew );
+
     // update input fields that might be connected to the user field
-    GetDoc()->GetSysFldType( RES_INPUTFLD )->UpdateFlds();
+    if ( !IsModifyLocked() )
+    {
+        LockModify();
+        GetDoc()->GetSysFldType( RES_INPUTFLD )->UpdateFlds();
+        UnlockModify();
+    }
 }
 
 double SwUserFieldType::GetValue( SwCalc& rCalc )

sw/source/core/txtnode/atrfld.cxx

@@ -453,6 +453,7 @@ SwTxtInputFld::SwTxtInputFld(
 
     : SwTxtFld( rAttr, nStart, bInClipboard )
     , m_nEnd( nEnd )
+    , m_bLockNotifyContentChange( false )
 {
     SetHasDummyChar( false );
     SetHasContent( true );
@@ -473,11 +474,30 @@ sal_Int32* SwTxtInputFld::GetEnd()
     return &m_nEnd;
 }
 
+
+void SwTxtInputFld::LockNotifyContentChange()
+{
+    m_bLockNotifyContentChange = true;
+}
+
+
+void SwTxtInputFld::UnlockNotifyContentChange()
+{
+    m_bLockNotifyContentChange = false;
+}
+
+
 void SwTxtInputFld::NotifyContentChange( SwFmtFld& rFmtFld )
 {
-    SwTxtFld::NotifyContentChange( rFmtFld );
+    if ( !m_bLockNotifyContentChange )
+    {
+        LockNotifyContentChange();
+
+        SwTxtFld::NotifyContentChange( rFmtFld );
+        UpdateTextNodeContent( GetFieldContent() );
 
-    UpdateTextNodeContent( GetFieldContent() );
+        UnlockNotifyContentChange();
+    }
 }
 
 const OUString SwTxtInputFld::GetFieldContent() const