sfx2 classification: expose category names as parsed from the policy

Change-Id: I53b958dff2f43d4762445c4b474f2b00ae6dc9d0

include/sfx2/classificationhelper.hxx

@@ -11,6 +11,7 @@
 #define INCLUDED_SFX2_CLASSIFICATIONHELPER_HXX
 
 #include <memory>
+#include <vector>
 
 #include <rtl/ustring.hxx>
 #include <sfx2/dllapi.h>
@@ -35,6 +36,8 @@ public:
     SfxClassificationHelper(SfxObjectShell& rObjectShell);
     ~SfxClassificationHelper();
     OUString GetBACName();
+    /// Return all possible valid category names, based on the policy.
+    std::vector<OUString> GetBACNames();
     /// Setting this sets all the other properties, based on the policy.
     void SetBACName(const OUString& rName);
     /// If GetImpactLevelColor() will return something meaningful.

sfx2/source/view/classificationhelper.cxx

@@ -10,6 +10,7 @@
 #include <sfx2/classificationhelper.hxx>
 
 #include <map>
+#include <algorithm>
 
 #include <com/sun/star/beans/XPropertyContainer.hpp>
 #include <com/sun/star/document/XDocumentProperties.hpp>
@@ -493,6 +494,19 @@ OUString SfxClassificationHelper::GetDocumentWatermark()
     return OUString();
 }
 
+std::vector<OUString> SfxClassificationHelper::GetBACNames()
+{
+    if (m_pImpl->m_aCategories.empty())
+        m_pImpl->parsePolicy();
+
+    std::vector<OUString> aRet;
+    std::transform(m_pImpl->m_aCategories.begin(), m_pImpl->m_aCategories.end(), std::back_inserter(aRet), [](const std::pair<OUString, SfxClassificationCategory>& rPair)
+    {
+        return rPair.first;
+    });
+    return aRet;
+}
+
 void SfxClassificationHelper::SetBACName(const OUString& rName)
 {
     if (m_pImpl->m_aCategories.empty())