renaissance1: #i107215# Many fixes around drag-and-drop and selection.

1 files changed, 152 insertions, 0 deletions

diff --git a/sd/source/ui/slidesorter/controller/SlsSelectionObserver.cxx b/sd/source/ui/slidesorter/controller/SlsSelectionObserver.cxx
new file mode 100644
index 000000000000..91edc092016f
--- /dev/null
+++ b/sd/source/ui/slidesorter/controller/SlsSelectionObserver.cxx
@@ -0,0 +1,152 @@
+/*************************************************************************
+ *
+ * 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 "SlideSorter.hxx"
+#include "controller/SlideSorterController.hxx"
+#include "controller/SlsSelectionManager.hxx"
+#include "controller/SlsSelectionObserver.hxx"
+#include "controller/SlsPageSelector.hxx"
+#include "model/SlideSorterModel.hxx"
+#include "model/SlsPageDescriptor.hxx"
+#include <svx/svdmodel.hxx>
+#include "drawdoc.hxx"
+
+
+namespace sd { namespace slidesorter { namespace controller {
+
+SelectionObserver::Context::Context (SlideSorter& rSlideSorter)
+    : mpSelectionObserver(
+        rSlideSorter.GetController().GetSelectionManager()->GetSelectionObserver())
+{
+    if (mpSelectionObserver)
+        mpSelectionObserver->StartObservation();
+}
+
+
+
+
+SelectionObserver::Context::~Context(void)
+{
+    if (mpSelectionObserver)
+        mpSelectionObserver->EndObservation();
+}
+
+
+
+
+//===== SelectionObserver =====================================================
+
+SelectionObserver::SelectionObserver (SlideSorter& rSlideSorter)
+    : mrSlideSorter(rSlideSorter),
+      mpDocument(mrSlideSorter.GetModel().GetDocument()),
+      mbIsOvservationActive(false),
+      maInsertedPages(),
+      maDeletedPages()
+{
+}
+
+
+
+
+SelectionObserver::~SelectionObserver (void)
+{
+}
+
+
+
+
+void SelectionObserver::NotifyPageEvent (const SdrPage* pSdrPage)
+{
+    if ( ! mbIsOvservationActive)
+        return;
+
+    const SdPage* pPage = dynamic_cast<const SdPage*>(pSdrPage);
+    if (pPage == NULL)
+        return;
+
+    if (pPage->IsInserted())
+        maInsertedPages.push_back(pPage);
+    else
+    {
+        ::std::vector<const SdPage*>::iterator iPage(
+            ::std::find(maInsertedPages.begin(), maInsertedPages.end(), pPage));
+        if (iPage != maInsertedPages.end())
+            maInsertedPages.erase(iPage);
+
+        maDeletedPages.push_back(pPage->GetPageNum());
+    }
+}
+
+
+
+void SelectionObserver::StartObservation (void)
+{
+    OSL_ASSERT(!mbIsOvservationActive);
+    maInsertedPages.clear();
+    maDeletedPages.clear();
+    mbIsOvservationActive = true;
+}
+
+
+
+
+void SelectionObserver::EndObservation (void)
+{
+    OSL_ASSERT(mbIsOvservationActive);
+    mbIsOvservationActive = false;
+
+    model::SlideSorterModel& rModel (mrSlideSorter.GetModel());
+    PageSelector& rSelector (mrSlideSorter.GetController().GetPageSelector());
+    rSelector.DeselectAllPages();
+    if ( ! maInsertedPages.empty())
+    {
+        // Select the inserted pages.
+        for (::std::vector<const SdPage*>::const_iterator
+                 iPage(maInsertedPages.begin()),
+                 iEnd(maInsertedPages.end());
+             iPage!=iEnd;
+             ++iPage)
+        {
+            rSelector.SelectPage(*iPage);
+            /*
+            const sal_Int32 nIndex (rModel.GetIndex (*iPage));
+            model::SharedPageDescriptor pDescriptor (rModel.GetPageDescriptor(nIndex));
+            if (pDescriptor)
+                pDescriptor->SetState(model::PageDescriptor::ST_Selected,
+                true);
+            */
+        }
+        maInsertedPages.clear();
+    }
+    maDeletedPages.clear();
+}
+
+
+
+} } } // end of namespace ::sd::slidesorter::controller