8a017d25a6
The scenarios are: 1. Calling sequence's begin() and end() in pairs to pass to algorithms (both calls use getArray(), which does the COW checks) 2. In addition to #1, calling end() again when checking result of find algorithms, and/or begin() to calculate result's distance 3. Using non-const sequences in range-based for loops, which internally do #1 4. Assigning sequence to another sequence variable, and then modifying one of them In many cases, the sequences could be made const, or treated as const for the purposes of the algorithms (using std::as_const, std::cbegin, and std::cend). Where algorithm modifies the sequence, it was changed to only call getArray() once. For that, css::uno::toNonConstRange was introduced, which returns a struct (sublclass of std::pair) with two iterators [begin, end], that are calculated using one call to begin() and one call to getLength(). To handle #4, css::uno::Sequence::swap was introduced, that swaps the internal pointer to uno_Sequence. So when a local Sequence variable should be assigned to another variable, and the latter will be modified further, it's now possible to use swap instead, so the two sequences are kept independent. The modified places were found by temporarily removing non-const end(). Change-Id: I8fe2787f200eecb70744e8b77fbdf7a49653f628 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/123542 Tested-by: Jenkins Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
315 lines
11 KiB
C++
315 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <com/sun/star/beans/XPropertyAccess.hpp>
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#include <com/sun/star/container/XContainerQuery.hpp>
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#include <com/sun/star/container/XNameAccess.hpp>
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#include <com/sun/star/document/FilterOptionsRequest.hpp>
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#include <com/sun/star/document/NoSuchFilterRequest.hpp>
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#include <com/sun/star/document/XImporter.hpp>
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#include <com/sun/star/document/XInteractionFilterOptions.hpp>
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#include <com/sun/star/document/XInteractionFilterSelect.hpp>
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#include <com/sun/star/task/XInteractionAbort.hpp>
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#include <com/sun/star/task/XInteractionRequest.hpp>
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#include <com/sun/star/ui/dialogs/XExecutableDialog.hpp>
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#include <comphelper/propertysequence.hxx>
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#include <comphelper/sequenceashashmap.hxx>
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#include <vcl/svapp.hxx>
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#include "getcontinuations.hxx"
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#include "fltdlg.hxx"
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#include "iahndl.hxx"
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using namespace com::sun::star;
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namespace {
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void
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executeFilterDialog(
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weld::Window* pParent ,
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OUString const & rURL ,
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uui::FilterNameList const & rFilters,
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OUString & rFilter )
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{
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SolarMutexGuard aGuard;
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uui::FilterDialog aDialog(pParent);
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aDialog.SetURL(rURL);
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aDialog.ChangeFilters(&rFilters);
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uui::FilterNameListPtr pSelected = rFilters.end();
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if (aDialog.AskForFilter(pSelected))
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{
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rFilter = pSelected->sInternal;
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}
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}
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void
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handleNoSuchFilterRequest_(
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weld::Window* pParent,
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uno::Reference< uno::XComponentContext > const & xContext,
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document::NoSuchFilterRequest const & rRequest,
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uno::Sequence< uno::Reference< task::XInteractionContinuation > > const &
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rContinuations )
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{
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uno::Reference< task::XInteractionAbort > xAbort;
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uno::Reference< document::XInteractionFilterSelect > xFilterTransport;
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getContinuations(rContinuations, &xAbort, &xFilterTransport);
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// check necessary resources - if they don't exist - abort or
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// break this operation
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if (!xAbort.is())
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return;
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if (!xFilterTransport.is())
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{
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xAbort->select();
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return;
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}
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uno::Reference< container::XContainerQuery > xFilterContainer;
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try
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{
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xFilterContainer.set( xContext->getServiceManager()->createInstanceWithContext(
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"com.sun.star.document.FilterFactory", xContext ),
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uno::UNO_QUERY );
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}
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catch ( uno::Exception const & )
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{
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}
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if (!xFilterContainer.is())
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{
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xAbort->select();
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return;
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}
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uui::FilterNameList lNames;
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// Note: We look for all filters here which match the following criteria:
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// - they are import filters as minimum (of course they can
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// support export too)
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// - we don't show any filter which are flagged as "don't show it
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// at the UI" or "they are not installed"
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// - we ignore filters, which have not set any valid
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// DocumentService (e.g. our pure graphic filters)
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// - we show it sorted by her UIName's
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// - We don't use the order flag or prefer default filters.
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// (Because this list shows all filters and the user should
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// find his filter very easy by his UIName ...)
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// - We use "_query_all" here ... but we filter graphic filters
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// out by using DocumentService property later!
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uno::Reference< container::XEnumeration > xFilters
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= xFilterContainer->createSubSetEnumerationByQuery(
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"_query_all:sort_prop=uiname:iflags=1:eflags=143360");
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while (xFilters->hasMoreElements())
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{
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try
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{
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::comphelper::SequenceAsHashMap lProps(xFilters->nextElement());
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uui::FilterNamePair aPair;
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aPair.sInternal = lProps.getUnpackedValueOrDefault(
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"Name", OUString());
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aPair.sUI = lProps.getUnpackedValueOrDefault(
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"UIName", OUString());
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if ( aPair.sInternal.isEmpty() || aPair.sUI.isEmpty() )
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{
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continue;
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}
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lNames.push_back( aPair );
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}
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catch(const uno::RuntimeException&)
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{
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throw;
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}
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catch(const uno::Exception&)
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{
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continue;
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}
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}
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// no list available for showing
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// -> abort operation
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if (lNames.empty())
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{
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xAbort->select();
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return;
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}
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// let the user select the right filter
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OUString sSelectedFilter;
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executeFilterDialog( pParent,
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rRequest.URL,
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lNames,
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sSelectedFilter );
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// If he doesn't select anyone
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// -> abort operation
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if (sSelectedFilter.isEmpty())
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{
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xAbort->select();
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return;
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}
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// otherwise set it for return
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xFilterTransport->setFilter( sSelectedFilter );
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xFilterTransport->select();
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}
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void
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handleFilterOptionsRequest_(
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uno::Reference<awt::XWindow> const & rWindow,
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uno::Reference< uno::XComponentContext > const & xContext,
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document::FilterOptionsRequest const & rRequest,
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uno::Sequence< uno::Reference< task::XInteractionContinuation > > const &
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rContinuations)
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{
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uno::Reference< task::XInteractionAbort > xAbort;
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uno::Reference< document::XInteractionFilterOptions > xFilterOptions;
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getContinuations(rContinuations, &xAbort, &xFilterOptions);
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uno::Reference< container::XNameAccess > xFilterCFG;
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try
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{
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xFilterCFG.set( xContext->getServiceManager()->createInstanceWithContext(
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"com.sun.star.document.FilterFactory", xContext ),
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uno::UNO_QUERY );
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}
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catch ( uno::Exception const & )
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{
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}
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if( xFilterCFG.is() && rRequest.rProperties.hasElements() )
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{
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try
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{
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OUString aFilterName;
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auto pProperty = std::find_if(rRequest.rProperties.begin(), rRequest.rProperties.end(),
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[](const beans::PropertyValue& rProp) { return rProp.Name == "FilterName"; });
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if (pProperty != rRequest.rProperties.end())
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{
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pProperty->Value >>= aFilterName;
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}
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uno::Sequence < beans::PropertyValue > aProps;
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if ( xFilterCFG->getByName( aFilterName ) >>= aProps )
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{
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auto pProp = std::find_if(std::cbegin(aProps), std::cend(aProps),
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[](const beans::PropertyValue& rProp) { return rProp.Name == "UIComponent"; });
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if (pProp != std::cend(aProps))
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{
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OUString aServiceName;
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pProp->Value >>= aServiceName;
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if( !aServiceName.isEmpty() )
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{
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uno::Sequence<uno::Any> aDialogArgs(comphelper::InitAnyPropertySequence(
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{
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{"ParentWindow", uno::Any(rWindow)},
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}));
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uno::Reference<
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ui::dialogs::XExecutableDialog > xFilterDialog(
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xContext->getServiceManager()->createInstanceWithArgumentsAndContext(
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aServiceName, aDialogArgs, xContext ),
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uno::UNO_QUERY );
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uno::Reference< beans::XPropertyAccess >
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xFilterProperties( xFilterDialog,
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uno::UNO_QUERY );
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if( xFilterDialog.is() && xFilterProperties.is() )
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{
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uno::Reference<
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document::XImporter > xImporter(
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xFilterDialog, uno::UNO_QUERY );
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if( xImporter.is() )
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xImporter->setTargetDocument( rRequest.rModel );
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xFilterProperties->setPropertyValues(
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rRequest.rProperties );
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if( xFilterDialog->execute() )
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{
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xFilterOptions->setFilterOptions(
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xFilterProperties->getPropertyValues() );
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xFilterOptions->select();
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return;
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}
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}
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}
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}
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}
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}
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catch( container::NoSuchElementException& )
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{
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// the filter name is unknown
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}
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catch( uno::Exception& )
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{
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}
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}
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xAbort->select();
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}
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} // namespace
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bool
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UUIInteractionHelper::handleNoSuchFilterRequest(
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uno::Reference< task::XInteractionRequest > const & rRequest)
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{
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uno::Any aAnyRequest(rRequest->getRequest());
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document::NoSuchFilterRequest aNoSuchFilterRequest;
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if (aAnyRequest >>= aNoSuchFilterRequest)
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{
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uno::Reference<awt::XWindow> xParent = getParentXWindow();
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handleNoSuchFilterRequest_(Application::GetFrameWeld(xParent),
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m_xContext,
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aNoSuchFilterRequest,
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rRequest->getContinuations());
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return true;
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}
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return false;
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}
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bool
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UUIInteractionHelper::handleFilterOptionsRequest(
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uno::Reference< task::XInteractionRequest > const & rRequest)
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{
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uno::Any aAnyRequest(rRequest->getRequest());
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document::FilterOptionsRequest aFilterOptionsRequest;
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if (aAnyRequest >>= aFilterOptionsRequest)
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{
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handleFilterOptionsRequest_(getParentXWindow(),
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m_xContext,
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aFilterOptionsRequest,
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rRequest->getContinuations());
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return true;
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}
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return false;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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