tdf#131190 Make custom page styles deletable again in Calc

Return the ability to delete custom page styles in Calc. This was lost
in commit 30c9bc76d0718f0c01d34f81845d88413645b42c

Change-Id: Iae402cc048fde7ffd3ca2696c08d5e54cc30d1be
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/91672
Tested-by: Jenkins
Reviewed-by: Eike Rathke <erack@redhat.com>

1 files changed, 21 insertions, 7 deletions

diff --git a/sfx2/source/dialog/templdlg.cxx b/sfx2/source/dialog/templdlg.cxx
index 5389cd906044..8ec385bff416 100644
--- a/sfx2/source/dialog/templdlg.cxx
+++ b/sfx2/source/dialog/templdlg.cxx
@@ -2060,13 +2060,27 @@ void SfxCommonTemplateDialog_Impl::EnableDelete()
             pStyleSheetPool->Find(aTemplName,eFam, pTreeBox->IsVisible()? SfxStyleSearchBits::All : nFilter);
 
         OSL_ENSURE(pStyle, "Style not found");
-        // bIsCalcPageStyle is a hack to allow Calc page styles to be deleted
-        // remove when IsUsed is fixed for Calc page style
-        uno::Reference<frame::XFrame > xFrame = GetObjectShell()->GetFrame()->GetFrame().GetFrameInterface();
-        bool bIsCalcPageStyle = (vcl::CommandInfoProvider::GetModuleIdentifier(xFrame) == "com.sun.star.sheet.SpreadsheetDocument") &&
-                                (pStyle->GetFamily() == SfxStyleFamily::Page);
-        if (pStyle && pStyle->IsUserDefined() && (bIsCalcPageStyle || pStyle->HasParentSupport() || !pStyle->IsUsed()))
-            bEnableDelete = true;
+        if (pStyle && pStyle->IsUserDefined())
+        {
+            if (pStyle->HasClearParentSupport() || !pStyle->IsUsed())
+            {
+                bEnableDelete = true;
+            }
+            else if (pStyle->GetFamily() == SfxStyleFamily::Page)
+            {
+                // Hack to allow Calc page styles to be deleted,
+                // remove when IsUsed is fixed for Calc page styles.
+                SfxViewFrame* pFrame = GetObjectShell()->GetFrame();
+                if (pFrame)
+                {
+                    uno::Reference<frame::XFrame > xFrame = pFrame->GetFrame().GetFrameInterface();
+                    if (vcl::CommandInfoProvider::GetModuleIdentifier(xFrame) == "com.sun.star.sheet.SpreadsheetDocument")
+                    {
+                        bEnableDelete = true;
+                    }
+                }
+            }
+        }
     }
     EnableDel(bEnableDelete);
 }