Allow to hide styles in the "Styles & Formating" dialog

In its current state, the feature only hides the styles. Things to sort
out are:
 + Add some automatic filter to show hidden styles
 + Make the visibility persist in the file format

Change-Id: I5904f41bb567add7b6bf501c6c5297f9f149a915

3 files changed, 30 insertions, 13 deletions

diff --git a/svl/inc/svl/style.hrc b/svl/inc/svl/style.hrc
index a4fea6d042c8..ae08df4c2c76 100644
--- a/svl/inc/svl/style.hrc
+++ b/svl/inc/svl/style.hrc
@@ -20,9 +20,10 @@
 #define _SFX_STYLE_HRC
 
 #define SFXSTYLEBIT_AUTO     0x0000 // automatisch; Flags kommen von der Applikation
+#define SFXSTYLEBIT_HIDDEN   0x0200 // benutzte Vorlage (als Suchmaske)
 #define SFXSTYLEBIT_READONLY 0x2000 // benutzte Vorlage (als Suchmaske)
 #define SFXSTYLEBIT_USED     0x4000 // benutzte Vorlage (als Suchmaske)
 #define SFXSTYLEBIT_USERDEF  0x8000 // benutzerdefinierte Vorlage
-#define SFXSTYLEBIT_ALL      0xFFFF // alle Vorlagen
+#define SFXSTYLEBIT_ALL      0xFDFF // alle Vorlagen
 
 #endif
diff --git a/svl/inc/svl/style.hxx b/svl/inc/svl/style.hxx
index f0878c46967a..48557c5457d8 100644
--- a/svl/inc/svl/style.hxx
+++ b/svl/inc/svl/style.hxx
@@ -90,6 +90,7 @@ protected:
     sal_uLong               nHelpId;        // Hilfe-ID
 
     bool                    bMySet;         // sal_True: Set loeschen im dtor
+    bool                    bHidden;
 
     SfxStyleSheetBase( const UniString&, SfxStyleSheetBasePool*, SfxStyleFamily eFam, sal_uInt16 mask );
     SfxStyleSheetBase( const SfxStyleSheetBase& );
@@ -133,6 +134,9 @@ public:
     bool     IsUserDefined() const
            { return ( nMask & SFXSTYLEBIT_USERDEF) != 0; }
 
+    virtual sal_Bool IsHidden() const { return bHidden; }
+    virtual void SetHidden( sal_Bool bValue );
+
     virtual sal_uLong GetHelpId( String& rFile );
     virtual void   SetHelpId( const String& r, sal_uLong nId );
 
@@ -157,7 +161,7 @@ class SVL_DLLPUBLIC SfxStyleSheetIterator
 {
 public:
     SfxStyleSheetIterator(SfxStyleSheetBasePool *pBase,
-                          SfxStyleFamily eFam, sal_uInt16 n=0xFFFF );
+                          SfxStyleFamily eFam, sal_uInt16 n=SFXSTYLEBIT_ALL );
     virtual sal_uInt16 GetSearchMask() const;
     virtual SfxStyleFamily GetSearchFamily() const;
     virtual sal_uInt16 Count();
@@ -229,7 +233,7 @@ public:
 
     virtual SfxStyleSheetBase&  Make(const UniString&,
                                      SfxStyleFamily eFam,
-                                     sal_uInt16 nMask = 0xffff ,
+                                     sal_uInt16 nMask = SFXSTYLEBIT_ALL ,
                                      sal_uInt16 nPos = 0xffff);
 
     virtual void             Replace(
@@ -246,7 +250,7 @@ public:
     const SfxStyles&            GetStyles();
     virtual SfxStyleSheetBase*  First();
     virtual SfxStyleSheetBase*  Next();
-    virtual SfxStyleSheetBase*  Find( const UniString&, SfxStyleFamily eFam, sal_uInt16 n=0xFFFF );
+    virtual SfxStyleSheetBase*  Find( const UniString&, SfxStyleFamily eFam, sal_uInt16 n=SFXSTYLEBIT_ALL );
 
     virtual bool                SetParent(SfxStyleFamily eFam,
                                           const UniString &rStyle,
@@ -255,7 +259,7 @@ public:
     SfxStyleSheetBase*          Find(const UniString& rStr)
                                 { return Find(rStr, nSearchFamily, nMask); }
 
-    void                        SetSearchMask(SfxStyleFamily eFam, sal_uInt16 n=0xFFFF );
+    void                        SetSearchMask(SfxStyleFamily eFam, sal_uInt16 n=SFXSTYLEBIT_ALL );
     sal_uInt16                      GetSearchMask() const;
     SfxStyleFamily              GetSearchFamily() const  { return nSearchFamily; }
 };
diff --git a/svl/source/items/style.cxx b/svl/source/items/style.cxx
index 3c1f9b78cdbb..15deda60bdc8 100644
--- a/svl/source/items/style.cxx
+++ b/svl/source/items/style.cxx
@@ -89,7 +89,6 @@ SfxStyleSheetHint::SfxStyleSheetHint
 class SfxStyleSheetBasePool_Impl
 {
   public:
-    SfxStyles aStyles;
     SfxStyleSheetIterator *pIter;
     SfxStyleSheetBasePool_Impl() : pIter(0){}
     ~SfxStyleSheetBasePool_Impl(){delete pIter;}
@@ -110,6 +109,7 @@ SfxStyleSheetBase::SfxStyleSheetBase( const XubString& rName, SfxStyleSheetBaseP
     , nMask(mask)
     , nHelpId( 0 )
     , bMySet( sal_False )
+    , bHidden( sal_False )
 {
 #ifdef DBG_UTIL
     aDbgStyleSheetReferences.mnStyles++;
@@ -127,6 +127,7 @@ SfxStyleSheetBase::SfxStyleSheetBase( const SfxStyleSheetBase& r )
     , nMask( r.nMask )
     , nHelpId( r.nHelpId )
     , bMySet( r.bMySet )
+    , bHidden( r.bHidden )
 {
 #ifdef DBG_UTIL
     aDbgStyleSheetReferences.mnStyles++;
@@ -241,6 +242,12 @@ bool SfxStyleSheetBase::SetParent( const XubString& rName )
     return true;
 }
 
+void SfxStyleSheetBase::SetHidden( sal_Bool hidden )
+{
+    bHidden = hidden;
+    pPool->Broadcast( SfxStyleSheetHint( SFX_STYLESHEET_MODIFIED, *this ) );
+}
+
 // Follow aendern
 
 const XubString& SfxStyleSheetBase::GetFollow() const
@@ -362,16 +369,21 @@ SfxStyleFamily SfxStyleSheetIterator::GetSearchFamily() const
 
 inline bool SfxStyleSheetIterator::IsTrivialSearch()
 {
-    return nMask == 0xFFFF && GetSearchFamily() == SFX_STYLE_FAMILY_ALL;
+    return nMask == SFXSTYLEBIT_ALL && GetSearchFamily() == SFX_STYLE_FAMILY_ALL;
 }
 
 bool SfxStyleSheetIterator::DoesStyleMatch(SfxStyleSheetBase *pStyle)
 {
-    return ((GetSearchFamily() == SFX_STYLE_FAMILY_ALL) ||
+    bool bSearchHidden = ( GetSearchMask() & SFXSTYLEBIT_HIDDEN );
+    bool bMatchVisibility = bSearchHidden || !pStyle->IsHidden();
+
+    bool bMatches = ((GetSearchFamily() == SFX_STYLE_FAMILY_ALL) ||
             ( pStyle->GetFamily() == GetSearchFamily() ))
         && (( pStyle->GetMask() & ( GetSearchMask() & ~SFXSTYLEBIT_USED )) ||
             ( bSearchUsed ? pStyle->IsUsed() : false ) ||
-            GetSearchMask() == SFXSTYLEBIT_ALL );
+            GetSearchMask() == SFXSTYLEBIT_ALL )
+        && bMatchVisibility;
+    return bMatches;
 }
 
 
@@ -544,7 +556,7 @@ SfxStyleSheetBasePool::SfxStyleSheetBasePool( SfxItemPool& r )
     : aAppName(r.GetName())
     , rPool(r)
     , nSearchFamily(SFX_STYLE_FAMILY_PARA)
-    , nMask(0xFFFF)
+    , nMask(SFXSTYLEBIT_ALL)
 {
 #ifdef DBG_UTIL
     aDbgStyleSheetReferences.mnPools++;
@@ -808,7 +820,7 @@ void SfxStyleSheetBasePool::ChangeParent(const XubString& rOld,
                                          bool bVirtual)
 {
     const sal_uInt16 nTmpMask = GetSearchMask();
-    SetSearchMask(GetSearchFamily(), 0xffff);
+    SetSearchMask(GetSearchFamily(), SFXSTYLEBIT_ALL);
     for( SfxStyleSheetBase* p = First(); p; p = Next() )
     {
         if( p->GetParent().Equals( rOld ) )
@@ -872,14 +884,14 @@ bool SfxStyleSheet::SetParent( const XubString& rName )
             // aus der Benachrichtigungskette des alten
             // Parents gfs. austragen
         if(aOldParent.Len()) {
-            SfxStyleSheet *pParent = (SfxStyleSheet *)pPool->Find(aOldParent, nFamily, 0xffff);
+            SfxStyleSheet *pParent = (SfxStyleSheet *)pPool->Find(aOldParent, nFamily, SFXSTYLEBIT_ALL);
             if(pParent)
                 EndListening(*pParent);
         }
             // in die Benachrichtigungskette des neuen
             // Parents eintragen
         if(aParent.Len()) {
-            SfxStyleSheet *pParent = (SfxStyleSheet *)pPool->Find(aParent, nFamily, 0xffff);
+            SfxStyleSheet *pParent = (SfxStyleSheet *)pPool->Find(aParent, nFamily, SFXSTYLEBIT_ALL);
             if(pParent)
                 StartListening(*pParent);
         }