1 files changed, 125 insertions, 0 deletions
diff --git a/extensions/source/propctrlr/propertycontrolextender.cxx b/extensions/source/propctrlr/propertycontrolextender.cxx
new file mode 100644
index 000000000..142e288dd
--- /dev/null
+++ b/extensions/source/propctrlr/propertycontrolextender.cxx
@@ -0,0 +1,125 @@
+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include "propertycontrolextender.hxx"
+
+#include <com/sun/star/awt/KeyFunction.hpp>
+
+#include <tools/diagnose_ex.h>
+
+
+namespace pcr
+{
+
+
+    using ::com::sun::star::uno::Reference;
+    using ::com::sun::star::uno::UNO_SET_THROW;
+    using ::com::sun::star::uno::Exception;
+    using ::com::sun::star::uno::Any;
+    using ::com::sun::star::awt::XWindow;
+    using ::com::sun::star::awt::KeyEvent;
+    using ::com::sun::star::inspection::XPropertyControl;
+    using ::com::sun::star::lang::EventObject;
+    using ::com::sun::star::inspection::XPropertyControlContext;
+
+    namespace KeyFunction = ::com::sun::star::awt::KeyFunction;
+
+
+    //= PropertyControlExtender_Data
+
+    struct PropertyControlExtender_Data
+    {
+        Reference< XPropertyControl >   xControl;
+        Reference< XWindow >            xControlWindow;
+    };
+
+
+    //= PropertyControlExtender
+
+
+    PropertyControlExtender::PropertyControlExtender( const Reference< XPropertyControl >& _rxObservedControl )
+        :m_pData( new PropertyControlExtender_Data )
+    {
+        try
+        {
+            m_pData->xControl.set( _rxObservedControl, UNO_SET_THROW );
+            m_pData->xControlWindow.set( m_pData->xControl->getControlWindow(), UNO_SET_THROW );
+            m_pData->xControlWindow->addKeyListener( this );
+        }
+        catch( const Exception& )
+        {
+            DBG_UNHANDLED_EXCEPTION("extensions.propctrlr");
+        }
+    }
+
+
+    PropertyControlExtender::~PropertyControlExtender()
+    {
+    }
+
+
+    void SAL_CALL PropertyControlExtender::keyPressed( const KeyEvent& _event )
+    {
+        OSL_ENSURE( _event.Source == m_pData->xControlWindow, "PropertyControlExtender::keyPressed: where does this come from?" );
+        if  ( ( _event.KeyFunc != KeyFunction::DELETE )
+            ||  ( _event.Modifiers != 0 )
+            )
+            return;
+
+        try
+        {
+            Reference< XPropertyControl > xControl( m_pData->xControl, UNO_SET_THROW );
+
+            // reset the value
+            xControl->setValue( Any() );
+
+            // and notify the change
+            // don't use XPropertyControl::notifyModifiedValue. It only notifies when the control content
+            // is recognized as being modified by the user, which is not the case, since we just modified
+            // it programmatically.
+            Reference< XPropertyControlContext > xControlContext( xControl->getControlContext(), UNO_SET_THROW );
+            xControlContext->valueChanged( xControl );
+        }
+        catch( const Exception& )
+        {
+            DBG_UNHANDLED_EXCEPTION("extensions.propctrlr");
+        }
+    }
+
+
+    void SAL_CALL PropertyControlExtender::keyReleased( const KeyEvent& /*_event*/ )
+    {
+        // not interested in
+    }
+
+
+    void SAL_CALL PropertyControlExtender::disposing( const EventObject& Source )
+    {
+        OSL_ENSURE( Source.Source == m_pData->xControlWindow, "PropertyControlExtender::disposing: where does this come from?" );
+        (void)Source.Source;
+        m_pData->xControlWindow.clear();
+        m_pData->xControl.clear();
+    }
+
+
+} // namespace pcr
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */