split the creation of SfxStyleFamilies into a method

Change-Id: I2590180fc30d75c89e758c72246a8294b5c4b9a2

include/sfx2/module.hxx

@@ -37,6 +37,7 @@ class SfxObjectFactory;
 class SfxModule;
 class SfxModule_Impl;
 class SfxSlotPool;
+class SfxStyleFamilies;
 struct SfxChildWinContextFactory;
 struct SfxChildWinFactory;
 struct SfxStbCtrlFactory;
@@ -84,6 +85,8 @@ public:
                                                const SfxItemSet& rSet );
     virtual void                Invalidate(sal_uInt16 nId = 0) override;
 
+    SfxStyleFamilies*           CreateStyleFamilies();
+
     static SfxModule*           GetActiveModule( SfxViewFrame* pFrame=nullptr );
     static FieldUnit            GetCurrentFieldUnit();
     /** retrieves the field unit of the module belonging to the document displayed in the given frame

sfx2/source/appl/module.cxx

@@ -23,6 +23,7 @@
 #include <sfx2/module.hxx>
 #include <sfx2/app.hxx>
 #include <sfx2/sfxresid.hxx>
+#include <sfx2/styfitem.hxx>
 #include <sfx2/msgpool.hxx>
 #include <sfx2/tbxctrl.hxx>
 #include <sfx2/stbitem.hxx>
@@ -291,4 +292,18 @@ FieldUnit SfxModule::GetFieldUnit() const
     return eUnit;
 }
 
+SfxStyleFamilies* SfxModule::CreateStyleFamilies()
+{
+    SfxStyleFamilies *pStyleFamilies = nullptr;
+    ResMgr* pMgr = GetResMgr();
+    if (pMgr)
+    {
+        ResId aFamId(DLG_STYLE_DESIGNER, *pMgr);
+        aFamId.SetRT(RSC_SFX_STYLE_FAMILIES);
+        if (pMgr->IsAvailable(aFamId))
+            pStyleFamilies = new SfxStyleFamilies(aFamId);
+    }
+    return pStyleFamilies;
+}
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sfx2/source/dialog/mgetempl.cxx

@@ -95,9 +95,7 @@ SfxManageStyleSheetPage::SfxManageStyleSheetPage(vcl::Window* pParent, const Sfx
     else
         m_pEditLinkStyleBtn->Enable();
 
-    ResMgr* pResMgr = SfxApplication::GetModule_Impl()->GetResMgr();
-    OSL_ENSURE( pResMgr, "No ResMgr in Module" );
-    pFamilies = new SfxStyleFamilies( ResId( DLG_STYLE_DESIGNER, *pResMgr ) );
+    pFamilies = SfxApplication::GetModule_Impl()->CreateStyleFamilies();
 
     SfxStyleSheetBasePool* pPool = nullptr;
     SfxObjectShell* pDocShell = SfxObjectShell::Current();

sfx2/source/dialog/templdlg.cxx

@@ -736,14 +736,8 @@ void SfxCommonTemplateDialog_Impl::ReadResource()
     SfxViewFrame* pViewFrame = pBindings->GetDispatcher_Impl()->GetFrame();
     pCurObjShell = pViewFrame->GetObjectShell();
     pModule = pCurObjShell ? pCurObjShell->GetModule() : nullptr;
-    ResMgr* pMgr = pModule ? pModule->GetResMgr() : nullptr;
-    if (pMgr)
-    {
-        ResId aFamId( DLG_STYLE_DESIGNER, *pMgr );
-        aFamId.SetRT(RSC_SFX_STYLE_FAMILIES);
-        if (pMgr->IsAvailable(aFamId))
-            pStyleFamilies = new SfxStyleFamilies( aFamId );
-    }
+    if (pModule)
+        pStyleFamilies = pModule->CreateStyleFamilies();
     if (!pStyleFamilies)
         pStyleFamilies = new SfxStyleFamilies;