1 files changed, 95 insertions, 0 deletions
diff --git a/sc/source/core/data/listenercontext.cxx b/sc/source/core/data/listenercontext.cxx
new file mode 100644
index 000000000..dac2380bf
--- /dev/null
+++ b/sc/source/core/data/listenercontext.cxx
@@ -0,0 +1,95 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <listenercontext.hxx>
+#include <document.hxx>
+#include <mtvelements.hxx>
+
+namespace sc {
+
+StartListeningContext::StartListeningContext(ScDocument& rDoc) :
+    mrDoc(rDoc), mpSet(std::make_shared<ColumnBlockPositionSet>(rDoc)) {}
+
+StartListeningContext::StartListeningContext(
+    ScDocument& rDoc, const std::shared_ptr<ColumnBlockPositionSet>& pSet) :
+    mrDoc(rDoc), mpSet(pSet) {}
+
+void StartListeningContext::setColumnSet( const std::shared_ptr<const ColumnSet>& rpColSet )
+{
+    mpColSet = rpColSet;
+}
+
+const std::shared_ptr<const ColumnSet>& StartListeningContext::getColumnSet() const
+{
+    return mpColSet;
+}
+
+ColumnBlockPosition* StartListeningContext::getBlockPosition(SCTAB nTab, SCCOL nCol)
+{
+    return mpSet->getBlockPosition(nTab, nCol);
+}
+
+EndListeningContext::EndListeningContext(ScDocument& rDoc, ScTokenArray* pOldCode) :
+    mrDoc(rDoc),  mpPosSet(std::make_shared<ColumnBlockPositionSet>(rDoc)),
+    mpOldCode(pOldCode), maPosDelta(0,0,0) {}
+
+EndListeningContext::EndListeningContext(
+    ScDocument& rDoc, const std::shared_ptr<ColumnBlockPositionSet>& pSet, ScTokenArray* pOldCode) :
+    mrDoc(rDoc),  mpPosSet(pSet),
+    mpOldCode(pOldCode), maPosDelta(0,0,0) {}
+
+void EndListeningContext::setPositionDelta( const ScAddress& rDelta )
+{
+    maPosDelta = rDelta;
+}
+
+ScAddress EndListeningContext::getOldPosition( const ScAddress& rPos ) const
+{
+    ScAddress aOldPos = rPos;
+    aOldPos.IncCol(maPosDelta.Col());
+    aOldPos.IncRow(maPosDelta.Row());
+    aOldPos.IncTab(maPosDelta.Tab());
+    return aOldPos;
+}
+
+ColumnBlockPosition* EndListeningContext::getBlockPosition(SCTAB nTab, SCCOL nCol)
+{
+    return mpPosSet->getBlockPosition(nTab, nCol);
+}
+
+void EndListeningContext::addEmptyBroadcasterPosition(SCTAB nTab, SCCOL nCol, SCROW nRow)
+{
+    maSet.set(mrDoc, nTab, nCol, nRow, true);
+}
+
+void EndListeningContext::purgeEmptyBroadcasters()
+{
+    PurgeListenerAction aAction(mrDoc);
+    maSet.executeAction(mrDoc, aAction);
+}
+
+PurgeListenerAction::PurgeListenerAction(ScDocument& rDoc) :
+    mrDoc(rDoc), mpBlockPos(new ColumnBlockPosition) {}
+
+void PurgeListenerAction::startColumn( SCTAB nTab, SCCOL nCol )
+{
+    mrDoc.InitColumnBlockPosition(*mpBlockPos, nTab, nCol);
+}
+
+void PurgeListenerAction::execute( const ScAddress& rPos, SCROW nLength, bool bVal )
+{
+    if (bVal)
+    {
+        mrDoc.DeleteBroadcasters(*mpBlockPos, rPos, nLength);
+    }
+};
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */