1 files changed, 284 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/model/SlsPageEnumeration.cxx b/sd/source/ui/slidesorter/model/SlsPageEnumeration.cxx
new file mode 100644
index 000000000000..0e472c04880e
--- /dev/null
+++ b/sd/source/ui/slidesorter/model/SlsPageEnumeration.cxx
@@ -0,0 +1,284 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#include "precompiled_sd.hxx"
+
+#include "model/SlideSorterModel.hxx"
+#include "model/SlsPageDescriptor.hxx"
+
+using namespace ::sd::slidesorter;
+using namespace ::sd::slidesorter::model;
+
+namespace {
+
+class PageEnumerationImpl
+    : public Enumeration<SharedPageDescriptor>
+{
+public:
+    inline PageEnumerationImpl (
+        const SlideSorterModel& rModel,
+        const PageEnumeration::PagePredicate& rPredicate);
+    virtual ~PageEnumerationImpl (void);
+    /** Create a copy of the called enumeration object.
+    */
+    virtual inline ::std::auto_ptr<Enumeration<SharedPageDescriptor> > Clone (void);
+
+    virtual inline bool HasMoreElements (void) const;
+    virtual inline SharedPageDescriptor GetNextElement (void);
+    virtual inline void Rewind (void);
+
+private:
+    const SlideSorterModel& mrModel;
+    const PageEnumeration::PagePredicate maPredicate;
+    int mnIndex;
+
+    /** This constructor sets the internal page index to the given value.
+        It does not call AdvanceToNextValidElement() to skip elements that
+        do not fullfill Predicate.
+    */
+    inline PageEnumerationImpl (
+        const SlideSorterModel& rModel,
+        const PageEnumeration::PagePredicate& rPredicate,
+        int nIndex);
+
+    /** Skip all elements that do not fullfill Predicate starting with the
+        one pointed to by mnIndex.
+    */
+    inline void AdvanceToNextValidElement (void);
+
+    // Default constructor not implemented.
+    PageEnumerationImpl (void);
+    // Assignment operator not implemented.
+    PageEnumerationImpl& operator= (const PageEnumerationImpl&);
+};
+
+} // end of anonymouse namespace
+
+
+
+
+namespace sd { namespace slidesorter { namespace model {
+
+
+PageEnumeration PageEnumeration::Create (
+    const SlideSorterModel& rModel,
+    const PagePredicate& rPredicate)
+{
+    return PageEnumeration(::std::auto_ptr<Enumeration<SharedPageDescriptor> >(
+        new PageEnumerationImpl(rModel, rPredicate)));
+}
+
+
+
+
+PageEnumeration::PageEnumeration (
+    ::std::auto_ptr<Enumeration<SharedPageDescriptor> > pImpl)
+    : mpImpl(pImpl)
+{
+}
+
+
+
+
+PageEnumeration::PageEnumeration (
+    PageEnumeration& rEnumeration,
+    bool bCloneImpl)
+{
+
+    if( bCloneImpl )
+    {
+        mpImpl = rEnumeration.mpImpl->Clone();
+    }
+    else
+    {
+        mpImpl = rEnumeration.mpImpl;
+    }
+}
+
+
+
+
+PageEnumeration::PageEnumeration (const PageEnumeration& rEnumeration )
+: sd::slidesorter::model::Enumeration<sd::slidesorter::model::SharedPageDescriptor>()
+{
+    mpImpl = rEnumeration.mpImpl->Clone();
+}
+
+
+
+
+PageEnumeration::~PageEnumeration (void)
+{
+}
+
+
+
+
+PageEnumeration& PageEnumeration::operator= (
+    const PageEnumeration& rEnumeration)
+{
+    mpImpl = rEnumeration.mpImpl->Clone();
+    return *this;
+}
+
+
+
+
+::std::auto_ptr<Enumeration<SharedPageDescriptor> > PageEnumeration::Clone (void)
+{
+    return ::std::auto_ptr<Enumeration<SharedPageDescriptor> >(
+        new PageEnumeration (*this, true));
+}
+
+
+
+
+bool PageEnumeration::HasMoreElements (void) const
+{
+    return mpImpl->HasMoreElements();
+}
+
+
+
+SharedPageDescriptor PageEnumeration::GetNextElement (void)
+{
+    return mpImpl->GetNextElement();
+}
+
+
+
+
+void PageEnumeration::Rewind (void)
+{
+    return mpImpl->Rewind();
+}
+
+} } } // end of namespace ::sd::slidesorter::model
+
+
+
+
+namespace {
+
+PageEnumerationImpl::PageEnumerationImpl (
+    const SlideSorterModel& rModel,
+    const PageEnumeration::PagePredicate& rPredicate)
+    : mrModel(rModel),
+      maPredicate(rPredicate),
+      mnIndex(0)
+{
+    Rewind();
+}
+
+
+
+
+PageEnumerationImpl::PageEnumerationImpl (
+    const SlideSorterModel& rModel,
+    const PageEnumeration::PagePredicate& rPredicate,
+    int nIndex)
+    : mrModel(rModel),
+      maPredicate(rPredicate),
+      mnIndex(nIndex)
+{
+}
+
+
+
+
+PageEnumerationImpl::~PageEnumerationImpl (void)
+{
+}
+
+
+
+
+::std::auto_ptr<Enumeration<SharedPageDescriptor> >
+    PageEnumerationImpl::Clone (void)
+{
+    return ::std::auto_ptr<Enumeration<SharedPageDescriptor> >(
+        new PageEnumerationImpl(mrModel,maPredicate,mnIndex));
+}
+
+
+
+
+bool PageEnumerationImpl::HasMoreElements (void) const
+{
+    return (mnIndex < mrModel.GetPageCount());
+}
+
+
+
+
+SharedPageDescriptor PageEnumerationImpl::GetNextElement (void)
+{
+    SharedPageDescriptor pDescriptor (mrModel.GetPageDescriptor(mnIndex));
+
+    // Go to the following valid element.
+    mnIndex += 1;
+    AdvanceToNextValidElement();
+
+    return pDescriptor;
+}
+
+
+
+
+void PageEnumerationImpl::Rewind (void)
+{
+    // Go to first valid element.
+    mnIndex = 0;
+    AdvanceToNextValidElement();
+}
+
+
+
+
+
+void PageEnumerationImpl::AdvanceToNextValidElement (void)
+{
+    while (mnIndex < mrModel.GetPageCount())
+    {
+        SharedPageDescriptor pDescriptor (mrModel.GetPageDescriptor(mnIndex));
+
+        // Test for the predicate being fullfilled.
+        if (pDescriptor.get()!=NULL && maPredicate(pDescriptor))
+        {
+            // This predicate is valid.
+            break;
+        }
+        else
+        {
+            // Advance to next predicate.
+            mnIndex += 1;
+        }
+    }
+}
+
+} // end of anonymous namespace
+