forms/source/xforms/submission/replace.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <memory>
  21 #include "submission.hxx"
  22 #include "serialization_app_xml.hxx"
  23
  24 #include <rtl/ustring.hxx>
  25 #include <rtl/ref.hxx>
  26 #include <comphelper/diagnose_ex.hxx>
  27 #include <o3tl/string_view.hxx>
  28
  29 #include <comphelper/processfactory.hxx>
  30 #include <com/sun/star/uno/Reference.hxx>
  31 #include <com/sun/star/xml/dom/XDocument.hpp>
  32 #include <com/sun/star/xml/dom/DocumentBuilder.hpp>
  33 #include <com/sun/star/frame/Desktop.hpp>
  34 #include <com/sun/star/frame/XComponentLoader.hpp>
  35 #include <com/sun/star/frame/FrameSearchFlag.hpp>
  36 #include <com/sun/star/beans/PropertyValue.hpp>
  37 #include <com/sun/star/task/InteractionHandler.hpp>
  38
  39 using namespace com::sun::star::uno;
  40 using namespace com::sun::star::ucb;
  41 using namespace com::sun::star::frame;
  42 using namespace com::sun::star::lang;
  43 using namespace com::sun::star::beans;
  44 using namespace com::sun::star::task;
  45 using namespace com::sun::star::xml::dom;
  46
  47 CSubmission::SubmissionResult CSubmission::replace(std::u16string_view aReplace, const Reference<XDocument>& aDocument, const Reference<XFrame>& aFrame)
  48 {
  49     if (!m_aResultStream.is())
  50         return CSubmission::UNKNOWN_ERROR;
  51
  52     try {
  53         Reference< XComponentContext > xContext = comphelper::getProcessComponentContext();
  54         if (o3tl::equalsIgnoreAsciiCase(aReplace, u"all")
  55          || o3tl::equalsIgnoreAsciiCase(aReplace, u"document")) {
  56             Reference< XComponentLoader > xLoader;
  57             if (aFrame.is())
  58                 xLoader.set(aFrame, UNO_QUERY);
  59
  60             if (!xLoader.is())
  61                 xLoader.set( Desktop::create(xContext), UNO_QUERY_THROW);
  62
  63             // open the stream from the result...
  64             // build media descriptor
  65             Sequence< PropertyValue > descriptor{
  66                 PropertyValue("InputStream",
  67                     -1, Any(m_aResultStream), PropertyState_DIRECT_VALUE),
  68                 PropertyValue("ReadOnly",
  69                     -1, Any(true), PropertyState_DIRECT_VALUE)
  70             };
  71
  72             OUString aURL = m_aURLObj.GetMainURL(INetURLObject::DecodeMechanism::NONE);
  73             xLoader->loadComponentFromURL(aURL, "_default", FrameSearchFlag::ALL, descriptor);
  74
  75             return CSubmission::SUCCESS;
  76
  77         } else if (o3tl::equalsIgnoreAsciiCase(aReplace, u"instance")) {
  78             if (aDocument.is()) {
  79                 // parse the result stream into a new document
  80                 Reference< XDocumentBuilder > xBuilder(DocumentBuilder::create(xContext));
  81                 Reference< XDocument > aNewDocument = xBuilder->parse(m_aResultStream);
  82
  83                 if (aNewDocument.is()) {
  84                     // and replace the content of the current instance
  85                     Reference< XElement > oldRoot = aDocument->getDocumentElement();
  86                     Reference< XElement > newRoot = aNewDocument->getDocumentElement();
  87
  88                     Reference< XNode > aImportedNode = aDocument->importNode(newRoot, true);
  89                     aDocument->replaceChild(aImportedNode, oldRoot);
  90                     return CSubmission::SUCCESS;
  91                 } else {
  92                     return CSubmission::UNKNOWN_ERROR;
  93                 }
  94             } else {
  95                 // nothing to replace
  96                 return CSubmission::UNKNOWN_ERROR;
  97             }
  98         } else if (o3tl::equalsIgnoreAsciiCase(aReplace, u"none")) {
  99             // do nothing \o/
 100             return CSubmission::SUCCESS;
 101         }
 102     } catch (const Exception&) {
 103         TOOLS_WARN_EXCEPTION( "forms.xforms", "Exception during replace");
 104     }
 105     return CSubmission::UNKNOWN_ERROR;
 106 }
 107
 108 ::std::unique_ptr< CSerialization > CSubmission::createSerialization(const Reference< XInteractionHandler >& _xHandler,Reference<XCommandEnvironment>& _rOutEnv)
 109 {
 110     // PUT always uses application/xml
 111     ::std::unique_ptr< CSerialization > apSerialization(new CSerializationAppXML());
 112     apSerialization->setSource(m_aFragment);
 113     apSerialization->serialize();
 114
 115     // create a commandEnvironment and use the default interaction handler
 116     rtl::Reference<CCommandEnvironmentHelper> pHelper = new CCommandEnvironmentHelper;
 117     if( _xHandler.is() )
 118         pHelper->m_aInteractionHandler = _xHandler;
 119     else
 120         pHelper->m_aInteractionHandler.set(
 121             InteractionHandler::createWithParent(m_xContext, nullptr), UNO_QUERY_THROW);
 122
 123     rtl::Reference<CProgressHandlerHelper> pProgressHelper = new CProgressHandlerHelper;
 124     pHelper->m_aProgressHandler.set(pProgressHelper);
 125
 126     // UCB has ownership of environment...
 127     _rOutEnv = pHelper;
 128     return apSerialization;
 129 }
 130
 131 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */