implement Application.FileDialog attribute

Documentation:
https://msdn.microsoft.com/en-us/vba/excel-vba/articles/application-filedialog-property-excel
https://msdn.microsoft.com/VBA/Office-Shared-VBA/articles/filedialog-object-office

Using FilePicker and FolderPicker uno services.

Change-Id: Ifd3b3fc9c135efb0663d2ef36ecbe2b2fbe6132f
Reviewed-on: https://gerrit.libreoffice.org/39806
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Tamás Bunth <btomi96@gmail.com>

1 files changed, 141 insertions, 0 deletions

diff --git a/sc/source/ui/vba/vbafiledialog.cxx b/sc/source/ui/vba/vbafiledialog.cxx
new file mode 100644
index 000000000000..1129953dff02
--- /dev/null
+++ b/sc/source/ui/vba/vbafiledialog.cxx
@@ -0,0 +1,141 @@
+/* -*- 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 "vbafiledialog.hxx"
+
+#include <ooo/vba/office/MsoFileDialogType.hpp>
+
+#include <com/sun/star/container/XIndexAccess.hpp>
+#include <com/sun/star/ui/dialogs/FilePicker.hpp>
+#include <com/sun/star/ui/dialogs/FolderPicker.hpp>
+#include <com/sun/star/ui/dialogs/ExecutableDialogResults.hpp>
+#include <com/sun/star/ui/dialogs/TemplateDescription.hpp>
+
+using namespace ::com::sun::star;
+using namespace ::ooo::vba;
+
+ScVbaFileDialog::ScVbaFileDialog( const uno::Reference< XHelperInterface >& xParent, const uno::Reference< uno::XComponentContext >& xContext, const sal_Int32 nType )
+    : ScVbaFileDialog_BASE( xParent, xContext)
+    , m_nType(nType)
+    , m_sTitle("FileDialog")
+{}
+
+uno::Any
+ScVbaFileDialog::getInitialFileName() { return uno::makeAny( m_sInitialFileName ); }
+
+void ScVbaFileDialog::setInitialFileName( const css::uno::Any& rName )
+{
+    rName >>= m_sInitialFileName;
+}
+
+css::uno::Any ScVbaFileDialog::getTitle() { return uno::makeAny( m_sTitle ); }
+
+void ScVbaFileDialog::setTitle( const css::uno::Any& rTitle )
+{
+    rTitle >>= m_sTitle;
+}
+
+uno::Reference< excel::XFileDialogSelectedItems > SAL_CALL ScVbaFileDialog::getSelectedItems()
+{
+    // TODO use InitialFileName when m_xItems is empty
+    return m_xItems;
+}
+
+sal_Int32 ScVbaFileDialog::Show()
+{
+    std::vector<OUString> sSelectedPaths;
+    sal_Int32 nRet = -1;
+
+    switch (m_nType)
+    {
+        case office::MsoFileDialogType::msoFileDialogOpen:
+            // TODO implement
+            break;
+        case office::MsoFileDialogType::msoFileDialogSaveAs:
+            // TODO implement
+            break;
+        case office::MsoFileDialogType::msoFileDialogFilePicker:
+            {
+                uno::Reference<ui::dialogs::XFilePicker3> xFilePicker =
+                        ui::dialogs::FilePicker::createWithMode(
+                                mxContext, ui::dialogs::TemplateDescription::FILEOPEN_SIMPLE );
+
+                // TODO set initial directory
+
+                if( xFilePicker->execute() != ui::dialogs::ExecutableDialogResults::OK)
+                {
+                    nRet = 0; // cancel pressed
+                    break;
+                }
+
+                for( auto& sPath : xFilePicker->getSelectedFiles() )
+                {
+                    sSelectedPaths.push_back(sPath);
+                }
+            }
+            break;
+        case office::MsoFileDialogType::msoFileDialogFolderPicker:
+            {
+                uno::Reference< ui::dialogs::XFolderPicker2 > xFolderPicker =
+                        ui::dialogs::FolderPicker::create(mxContext);
+
+                // TODO set initial directory
+
+                if( xFolderPicker->execute() != ui::dialogs::ExecutableDialogResults::OK)
+                {
+                    nRet = 0; // cancel pressed
+                    break;
+                }
+
+                OUString sPath = xFolderPicker->getDirectory();
+
+                if(!sPath.isEmpty())
+                    sSelectedPaths.push_back(sPath);
+
+            }
+            break;
+        default:
+            throw uno::RuntimeException();
+    }
+
+    m_xItems = css::uno::Reference< ov::excel::XFileDialogSelectedItems >(
+            new ScVbaFileDialogSelectedItems(this, mxContext, sSelectedPaths) );
+    return nRet;
+}
+
+// XHelperInterface
+OUString
+ScVbaFileDialog::getServiceImplName()
+{
+    return OUString("ScVbaFileDialog");
+}
+
+uno::Sequence<OUString>
+ScVbaFileDialog::getServiceNames()
+{
+    static uno::Sequence< OUString > aServiceNames;
+    if ( aServiceNames.getLength() == 0 )
+    {
+        aServiceNames.realloc( 1 );
+        aServiceNames[ 0 ] = "ooo.vba.FileDialog";
+    }
+    return aServiceNames;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */