628 lines
24 KiB
C++
628 lines
24 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 "formlinkdialog.hxx"
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#include "modulepcr.hxx"
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#include <strings.hrc>
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#include "formstrings.hxx"
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#include <sal/log.hxx>
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#include <comphelper/diagnose_ex.hxx>
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#include <utility>
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#include <vcl/svapp.hxx>
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#include <connectivity/dbtools.hxx>
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#include <connectivity/dbexception.hxx>
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#include <comphelper/sequence.hxx>
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#include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
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#include <com/sun/star/sdbcx/XKeysSupplier.hpp>
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#include <com/sun/star/sdbcx/KeyType.hpp>
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#include <com/sun/star/container/XNameAccess.hpp>
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#include <com/sun/star/sdbcx/XTablesSupplier.hpp>
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#include <com/sun/star/sdbc/XRowSet.hpp>
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#include <com/sun/star/sdb/CommandType.hpp>
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#include <com/sun/star/sdb/SQLContext.hpp>
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#include <com/sun/star/sdb/XSingleSelectQueryComposer.hpp>
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namespace pcr
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{
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::sdb;
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using namespace ::com::sun::star::sdbc;
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using namespace ::com::sun::star::sdbcx;
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using namespace ::com::sun::star::beans;
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using namespace ::com::sun::star::container;
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//= FieldLinkRow
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class FieldLinkRow
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{
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private:
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std::unique_ptr<weld::ComboBox> m_xDetailColumn;
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std::unique_ptr<weld::ComboBox> m_xMasterColumn;
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Link<FieldLinkRow&,void> m_aLinkChangeHandler;
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public:
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FieldLinkRow(std::unique_ptr<weld::ComboBox> xDetailColumn,
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std::unique_ptr<weld::ComboBox> xMasterColumn);
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void SetLinkChangeHandler( const Link<FieldLinkRow&,void>& _rHdl ) { m_aLinkChangeHandler = _rHdl; }
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enum LinkParticipant
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{
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eDetailField,
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eMasterField
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};
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/** retrieves the selected field name for either the master or the detail field
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@return <TRUE/> if and only a valid field is selected
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*/
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bool GetFieldName( LinkParticipant _eWhich, OUString& /* [out] */ _rName ) const;
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void SetFieldName( LinkParticipant _eWhich, const OUString& _rName );
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void fillList( LinkParticipant _eWhich, const Sequence< OUString >& _rFieldNames );
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void Show()
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{
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m_xDetailColumn->show();
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m_xMasterColumn->show();
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}
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private:
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DECL_LINK( OnFieldNameChanged, weld::ComboBox&, void );
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};
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FieldLinkRow::FieldLinkRow(std::unique_ptr<weld::ComboBox> xDetailColumn,
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std::unique_ptr<weld::ComboBox> xMasterColumn)
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: m_xDetailColumn(std::move(xDetailColumn))
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, m_xMasterColumn(std::move(xMasterColumn))
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{
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m_xDetailColumn->connect_changed( LINK( this, FieldLinkRow, OnFieldNameChanged ) );
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m_xMasterColumn->connect_changed( LINK( this, FieldLinkRow, OnFieldNameChanged ) );
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}
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void FieldLinkRow::fillList( LinkParticipant _eWhich, const Sequence< OUString >& _rFieldNames )
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{
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weld::ComboBox* pBox = ( _eWhich == eDetailField ) ? m_xDetailColumn.get() : m_xMasterColumn.get();
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const OUString* pFieldName = _rFieldNames.getConstArray();
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const OUString* pFieldNameEnd = pFieldName + _rFieldNames.getLength();
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for ( ; pFieldName != pFieldNameEnd; ++pFieldName )
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pBox->append_text( *pFieldName );
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}
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bool FieldLinkRow::GetFieldName( LinkParticipant _eWhich, OUString& /* [out] */ _rName ) const
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{
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const weld::ComboBox* pBox = ( _eWhich == eDetailField ) ? m_xDetailColumn.get() : m_xMasterColumn.get();
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_rName = pBox->get_active_text();
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return !_rName.isEmpty();
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}
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void FieldLinkRow::SetFieldName( LinkParticipant _eWhich, const OUString& _rName )
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{
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weld::ComboBox* pBox = ( _eWhich == eDetailField ) ? m_xDetailColumn.get() : m_xMasterColumn.get();
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pBox->set_entry_text( _rName );
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}
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IMPL_LINK_NOARG( FieldLinkRow, OnFieldNameChanged, weld::ComboBox&, void )
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{
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m_aLinkChangeHandler.Call( *this );
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}
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//= FormLinkDialog
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FormLinkDialog::FormLinkDialog(weld::Window* _pParent, const Reference< XPropertySet >& _rxDetailForm,
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const Reference< XPropertySet >& _rxMasterForm, const Reference< XComponentContext >& _rxContext,
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const OUString& _sExplanation,
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OUString _sDetailLabel,
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OUString _sMasterLabel)
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: GenericDialogController(_pParent, u"modules/spropctrlr/ui/formlinksdialog.ui"_ustr, u"FormLinks"_ustr)
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, m_xContext ( _rxContext )
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, m_xDetailForm( _rxDetailForm )
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, m_xMasterForm( _rxMasterForm )
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, m_sDetailLabel(std::move(_sDetailLabel))
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, m_sMasterLabel(std::move(_sMasterLabel))
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, m_xExplanation(m_xBuilder->weld_label(u"explanationLabel"_ustr))
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, m_xDetailLabel(m_xBuilder->weld_label(u"detailLabel"_ustr))
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, m_xMasterLabel(m_xBuilder->weld_label(u"masterLabel"_ustr))
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, m_xRow1(std::make_unique<FieldLinkRow>(m_xBuilder->weld_combo_box(u"detailCombobox1"_ustr),
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m_xBuilder->weld_combo_box(u"masterCombobox1"_ustr)))
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, m_xRow2(std::make_unique<FieldLinkRow>(m_xBuilder->weld_combo_box(u"detailCombobox2"_ustr),
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m_xBuilder->weld_combo_box(u"masterCombobox2"_ustr)))
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, m_xRow3(std::make_unique<FieldLinkRow>(m_xBuilder->weld_combo_box(u"detailCombobox3"_ustr),
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m_xBuilder->weld_combo_box(u"masterCombobox3"_ustr)))
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, m_xRow4(std::make_unique<FieldLinkRow>(m_xBuilder->weld_combo_box(u"detailCombobox4"_ustr),
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m_xBuilder->weld_combo_box(u"masterCombobox4"_ustr)))
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, m_xOK(m_xBuilder->weld_button(u"ok"_ustr))
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, m_xSuggest(m_xBuilder->weld_button(u"suggestButton"_ustr))
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{
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m_xRow1->Show();
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m_xRow2->Show();
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m_xRow3->Show();
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m_xRow4->Show();
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m_xDialog->set_size_request(600, -1);
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if ( !_sExplanation.isEmpty() )
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m_xExplanation->set_label(_sExplanation);
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m_xSuggest->connect_clicked(LINK(this, FormLinkDialog, OnSuggest));
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m_xRow1->SetLinkChangeHandler( LINK( this, FormLinkDialog, OnFieldChanged ) );
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m_xRow2->SetLinkChangeHandler( LINK( this, FormLinkDialog, OnFieldChanged ) );
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m_xRow3->SetLinkChangeHandler( LINK( this, FormLinkDialog, OnFieldChanged ) );
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m_xRow4->SetLinkChangeHandler( LINK( this, FormLinkDialog, OnFieldChanged ) );
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Application::PostUserEvent(LINK(this, FormLinkDialog, OnInitialize));
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updateOkButton();
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}
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FormLinkDialog::~FormLinkDialog()
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{
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}
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void FormLinkDialog::commitLinkPairs()
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{
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// collect the field lists from the rows
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std::vector< OUString > aDetailFields; aDetailFields.reserve( 4 );
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std::vector< OUString > aMasterFields; aMasterFields.reserve( 4 );
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const FieldLinkRow* aRows[] = {
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m_xRow1.get(), m_xRow2.get(), m_xRow3.get(), m_xRow4.get()
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};
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for (const FieldLinkRow* aRow : aRows)
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{
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OUString sDetailField, sMasterField;
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aRow->GetFieldName( FieldLinkRow::eDetailField, sDetailField );
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aRow->GetFieldName( FieldLinkRow::eMasterField, sMasterField );
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if ( sDetailField.isEmpty() && sMasterField.isEmpty() )
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continue;
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aDetailFields.push_back( sDetailField );
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aMasterFields.push_back( sMasterField );
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}
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// and set as property values
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try
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{
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if ( m_xDetailForm.is() )
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{
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m_xDetailForm->setPropertyValue( PROPERTY_DETAILFIELDS, Any( Sequence< OUString >( aDetailFields.data(), aDetailFields.size() ) ) );
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m_xDetailForm->setPropertyValue( PROPERTY_MASTERFIELDS, Any( Sequence< OUString >( aMasterFields.data(), aMasterFields.size() ) ) );
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}
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}
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catch( const Exception& )
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{
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TOOLS_WARN_EXCEPTION("extensions.propctrlr",
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"caught an exception while setting the properties!");
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}
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}
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short FormLinkDialog::run()
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{
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short nResult = GenericDialogController::run();
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if ( RET_OK == nResult )
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commitLinkPairs();
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return nResult;
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}
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void FormLinkDialog::initializeFieldLists()
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{
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Sequence< OUString > sDetailFields;
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getFormFields( m_xDetailForm, sDetailFields );
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Sequence< OUString > sMasterFields;
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getFormFields( m_xMasterForm, sMasterFields );
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FieldLinkRow* aRows[] = {
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m_xRow1.get(), m_xRow2.get(), m_xRow3.get(), m_xRow4.get()
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};
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for (FieldLinkRow* aRow : aRows)
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{
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aRow->fillList( FieldLinkRow::eDetailField, sDetailFields );
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aRow->fillList( FieldLinkRow::eMasterField, sMasterFields );
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}
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}
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void FormLinkDialog::initializeColumnLabels()
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{
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// label for the detail form
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OUString sDetailType = getFormDataSourceType( m_xDetailForm );
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if ( sDetailType.isEmpty() )
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{
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if ( m_sDetailLabel.isEmpty() )
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{
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m_sDetailLabel = PcrRes(STR_DETAIL_FORM);
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}
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sDetailType = m_sDetailLabel;
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}
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m_xDetailLabel->set_label( sDetailType );
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// label for the master form
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OUString sMasterType = getFormDataSourceType( m_xMasterForm );
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if ( sMasterType.isEmpty() )
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{
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if ( m_sMasterLabel.isEmpty() )
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{
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m_sMasterLabel = PcrRes(STR_MASTER_FORM);
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}
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sMasterType = m_sMasterLabel;
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}
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m_xMasterLabel->set_label( sMasterType );
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}
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void FormLinkDialog::initializeFieldRowsFrom( std::vector< OUString >& _rDetailFields, std::vector< OUString >& _rMasterFields )
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{
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// our UI does allow 4 fields max
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_rDetailFields.resize( 4 );
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_rMasterFields.resize( 4 );
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FieldLinkRow* aRows[] = {
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m_xRow1.get(), m_xRow2.get(), m_xRow3.get(), m_xRow4.get()
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};
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for ( sal_Int32 i = 0; i < 4; ++i )
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{
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aRows[ i ]->SetFieldName( FieldLinkRow::eDetailField, _rDetailFields[i] );
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aRows[ i ]->SetFieldName( FieldLinkRow::eMasterField, _rMasterFields[i] );
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}
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}
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void FormLinkDialog::initializeLinks()
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{
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try
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{
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Sequence< OUString > aDetailFields;
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Sequence< OUString > aMasterFields;
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if ( m_xDetailForm.is() )
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{
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m_xDetailForm->getPropertyValue( PROPERTY_DETAILFIELDS ) >>= aDetailFields;
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m_xDetailForm->getPropertyValue( PROPERTY_MASTERFIELDS ) >>= aMasterFields;
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}
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std::vector< OUString > aDetailFields1;
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comphelper::sequenceToContainer(aDetailFields1, aDetailFields);
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std::vector< OUString > aMasterFields1;
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comphelper::sequenceToContainer(aMasterFields1, aMasterFields);
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initializeFieldRowsFrom( aDetailFields1, aMasterFields1 );
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}
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catch( const Exception& )
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{
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TOOLS_WARN_EXCEPTION( "extensions.propctrlr", "FormLinkDialog::initializeLinks" );
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}
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}
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void FormLinkDialog::updateOkButton()
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{
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// in all rows, there must be either two valid selections, or none at all
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// If there is at least one row with exactly one valid selection, then the
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// OKButton needs to be disabled
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bool bEnable = true;
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const FieldLinkRow* aRows[] = {
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m_xRow1.get(), m_xRow2.get(), m_xRow3.get(), m_xRow4.get()
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};
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for ( sal_Int32 i = 0; ( i < 4 ) && bEnable; ++i )
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{
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OUString sNotInterestedInRightNow;
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if ( aRows[ i ]->GetFieldName( FieldLinkRow::eDetailField, sNotInterestedInRightNow )
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!= aRows[ i ]->GetFieldName( FieldLinkRow::eMasterField, sNotInterestedInRightNow )
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)
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bEnable = false;
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}
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m_xOK->set_sensitive(bEnable);
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}
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OUString FormLinkDialog::getFormDataSourceType( const Reference< XPropertySet >& _rxForm )
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{
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OUString sReturn;
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if ( !_rxForm.is() )
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return sReturn;
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try
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{
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sal_Int32 nCommandType = CommandType::COMMAND;
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OUString sCommand;
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_rxForm->getPropertyValue( PROPERTY_COMMANDTYPE ) >>= nCommandType;
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_rxForm->getPropertyValue( PROPERTY_COMMAND ) >>= sCommand;
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if ( ( nCommandType == CommandType::TABLE )
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|| ( nCommandType == CommandType::QUERY )
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)
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sReturn = sCommand;
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}
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catch( const Exception& )
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{
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TOOLS_WARN_EXCEPTION( "extensions.propctrlr", "FormLinkDialog::getFormDataSourceType" );
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}
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return sReturn;
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}
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void FormLinkDialog::getFormFields( const Reference< XPropertySet >& _rxForm, Sequence< OUString >& /* [out] */ _rNames ) const
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{
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_rNames.realloc( 0 );
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::dbtools::SQLExceptionInfo aErrorInfo;
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OUString sCommand;
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try
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{
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weld::WaitObject aWaitCursor(m_xDialog.get());
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OSL_ENSURE( _rxForm.is(), "FormLinkDialog::getFormFields: invalid form!" );
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sal_Int32 nCommandType = CommandType::COMMAND;
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_rxForm->getPropertyValue( PROPERTY_COMMANDTYPE ) >>= nCommandType;
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_rxForm->getPropertyValue( PROPERTY_COMMAND ) >>= sCommand;
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Reference< XConnection > xConnection;
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ensureFormConnection( _rxForm, xConnection );
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_rNames = ::dbtools::getFieldNamesByCommandDescriptor(
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xConnection,
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nCommandType,
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sCommand,
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&aErrorInfo
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);
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}
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catch (const SQLContext& e) { aErrorInfo = e; }
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catch (const SQLWarning& e) { aErrorInfo = e; }
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catch (const SQLException& e ) { aErrorInfo = e; }
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catch( const Exception& )
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{
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TOOLS_WARN_EXCEPTION( "extensions.propctrlr", "FormLinkDialog::getFormFields: caught a non-SQL exception!" );
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}
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if ( !aErrorInfo.isValid() )
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return;
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OUString sErrorMessage;
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{
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sErrorMessage = PcrRes(STR_ERROR_RETRIEVING_COLUMNS);
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sErrorMessage = sErrorMessage.replaceFirst("#", sCommand);
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}
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SQLContext aContext(sErrorMessage, {}, {}, 0, aErrorInfo.get(), {});
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::dbtools::showError(aContext, m_xDialog->GetXWindow(), m_xContext);
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}
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void FormLinkDialog::ensureFormConnection( const Reference< XPropertySet >& _rxFormProps, Reference< XConnection >& /* [out] */ _rxConnection ) const
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{
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OSL_PRECOND( _rxFormProps.is(), "FormLinkDialog::ensureFormConnection: invalid form!" );
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if ( !_rxFormProps.is() )
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return;
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if ( _rxFormProps->getPropertySetInfo()->hasPropertyByName(PROPERTY_ACTIVE_CONNECTION) )
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_rxConnection.set(_rxFormProps->getPropertyValue(PROPERTY_ACTIVE_CONNECTION),UNO_QUERY);
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if ( !_rxConnection.is() )
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_rxConnection = ::dbtools::connectRowset( Reference< XRowSet >( _rxFormProps, UNO_QUERY ), m_xContext, nullptr );
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}
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void FormLinkDialog::getConnectionMetaData( const Reference< XPropertySet >& _rxFormProps, Reference< XDatabaseMetaData >& /* [out] */ _rxMeta )
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{
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if ( _rxFormProps.is() )
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{
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Reference< XConnection > xConnection;
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if ( !::dbtools::isEmbeddedInDatabase( _rxFormProps, xConnection ) )
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_rxFormProps->getPropertyValue( PROPERTY_ACTIVE_CONNECTION ) >>= xConnection;
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if ( xConnection.is() )
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_rxMeta = xConnection->getMetaData();
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}
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}
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Reference< XPropertySet > FormLinkDialog::getCanonicUnderlyingTable( const Reference< XPropertySet >& _rxFormProps ) const
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{
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Reference< XPropertySet > xTable;
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try
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{
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Reference< XTablesSupplier > xTablesInForm( ::dbtools::getCurrentSettingsComposer( _rxFormProps, m_xContext, nullptr ), UNO_QUERY );
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Reference< XNameAccess > xTables;
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if ( xTablesInForm.is() )
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xTables = xTablesInForm->getTables();
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Sequence< OUString > aTableNames;
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if ( xTables.is() )
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aTableNames = xTables->getElementNames();
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if ( aTableNames.getLength() == 1 )
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{
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xTables->getByName( aTableNames[ 0 ] ) >>= xTable;
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OSL_ENSURE( xTable.is(), "FormLinkDialog::getCanonicUnderlyingTable: invalid table!" );
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}
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}
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catch( const Exception& )
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{
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TOOLS_WARN_EXCEPTION( "extensions.propctrlr", "FormLinkDialog::getCanonicUnderlyingTable" );
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}
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return xTable;
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}
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bool FormLinkDialog::getExistingRelation( const Reference< XPropertySet >& _rxLHS, const Reference< XPropertySet >& /*_rxRHS*/,
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// TODO: fix the usage of _rxRHS. This is issue #i81956#.
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std::vector< OUString >& _rLeftFields, std::vector< OUString >& _rRightFields )
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{
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try
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{
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Reference< XKeysSupplier > xSuppKeys( _rxLHS, UNO_QUERY );
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Reference< XIndexAccess > xKeys;
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if ( xSuppKeys.is() )
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xKeys = xSuppKeys->getKeys();
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if ( xKeys.is() )
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{
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Reference< XPropertySet > xKey;
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Reference< XColumnsSupplier > xKeyColSupp( xKey, UNO_QUERY );
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Reference< XIndexAccess > xKeyColumns;
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Reference< XPropertySet > xKeyColumn;
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OUString sColumnName, sRelatedColumnName;
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const sal_Int32 keyCount = xKeys->getCount();
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for ( sal_Int32 key = 0; key < keyCount; ++key )
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{
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xKeys->getByIndex( key ) >>= xKey;
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sal_Int32 nKeyType = 0;
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xKey->getPropertyValue(u"Type"_ustr) >>= nKeyType;
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if ( nKeyType != KeyType::FOREIGN )
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continue;
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xKeyColumns.clear();
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xKeyColSupp.set(xKey, css::uno::UNO_QUERY);
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if ( xKeyColSupp.is() )
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xKeyColumns.set(xKeyColSupp->getColumns(), css::uno::UNO_QUERY);
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OSL_ENSURE( xKeyColumns.is(), "FormLinkDialog::getExistingRelation: could not obtain the columns for the key!" );
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if ( !xKeyColumns.is() )
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continue;
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const sal_Int32 columnCount = xKeyColumns->getCount();
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_rLeftFields.resize( columnCount );
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_rRightFields.resize( columnCount );
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for ( sal_Int32 column = 0; column < columnCount; ++column )
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{
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xKeyColumn.clear();
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xKeyColumns->getByIndex( column ) >>= xKeyColumn;
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OSL_ENSURE( xKeyColumn.is(), "FormLinkDialog::getExistingRelation: invalid key column!" );
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if ( xKeyColumn.is() )
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{
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xKeyColumn->getPropertyValue( PROPERTY_NAME ) >>= sColumnName;
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xKeyColumn->getPropertyValue(u"RelatedColumn"_ustr) >>= sRelatedColumnName;
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_rLeftFields[ column ] = sColumnName;
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_rRightFields[ column ] = sRelatedColumnName;
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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( const Exception& )
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{
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TOOLS_WARN_EXCEPTION( "extensions.propctrlr", "FormLinkDialog::getExistingRelation" );
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}
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return ( !_rLeftFields.empty() ) && ( !_rLeftFields[ 0 ].isEmpty() );
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}
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void FormLinkDialog::initializeSuggest()
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{
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if ( !m_xDetailForm.is() || !m_xMasterForm.is() )
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return;
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try
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{
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// only show the button when both forms are based on the same data source
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OUString sMasterDS, sDetailDS;
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m_xMasterForm->getPropertyValue( PROPERTY_DATASOURCE ) >>= sMasterDS;
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m_xDetailForm->getPropertyValue( PROPERTY_DATASOURCE ) >>= sDetailDS;
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bool bEnable = ( sMasterDS == sDetailDS );
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// only show the button when the connection supports relations
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if ( bEnable )
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|
{
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Reference< XDatabaseMetaData > xMeta;
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getConnectionMetaData( m_xDetailForm, xMeta );
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OSL_ENSURE( xMeta.is(), "FormLinkDialog::initializeSuggest: unable to retrieve the meta data for the connection!" );
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try
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|
{
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bEnable = xMeta.is() && xMeta->supportsIntegrityEnhancementFacility();
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}
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catch(const Exception&)
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|
{
|
|
bEnable = false;
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|
}
|
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}
|
|
|
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// only enable the button if there is a "canonic" table underlying both forms
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|
Reference< XPropertySet > xDetailTable, xMasterTable;
|
|
if ( bEnable )
|
|
{
|
|
xDetailTable = getCanonicUnderlyingTable( m_xDetailForm );
|
|
xMasterTable = getCanonicUnderlyingTable( m_xMasterForm );
|
|
bEnable = xDetailTable.is() && xMasterTable.is();
|
|
}
|
|
|
|
// only enable the button if there is a relation between both tables
|
|
m_aRelationDetailColumns.clear();
|
|
m_aRelationMasterColumns.clear();
|
|
if ( bEnable )
|
|
{
|
|
bEnable = getExistingRelation( xDetailTable, xMasterTable, m_aRelationDetailColumns, m_aRelationMasterColumns );
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|
SAL_WARN_IF( m_aRelationMasterColumns.size() != m_aRelationDetailColumns.size(),
|
|
"extensions.propctrlr",
|
|
"FormLinkDialog::initializeSuggest: nonsense!" );
|
|
if ( m_aRelationMasterColumns.empty() )
|
|
{ // okay, there is no relation "pointing" (via a foreign key) from the detail table to the master table
|
|
// but perhaps the other way round (would make less sense, but who knows ...)
|
|
bEnable = getExistingRelation( xMasterTable, xDetailTable, m_aRelationMasterColumns, m_aRelationDetailColumns );
|
|
}
|
|
}
|
|
|
|
// only enable the button if the relation contains at most 4 field pairs
|
|
if ( bEnable )
|
|
{
|
|
bEnable = ( m_aRelationMasterColumns.size() <= 4 );
|
|
}
|
|
|
|
m_xSuggest->set_sensitive(bEnable);
|
|
}
|
|
catch( const Exception& )
|
|
{
|
|
TOOLS_WARN_EXCEPTION( "extensions.propctrlr", "FormLinkDialog::initializeSuggest" );
|
|
}
|
|
}
|
|
|
|
IMPL_LINK_NOARG( FormLinkDialog, OnSuggest, weld::Button&, void )
|
|
{
|
|
initializeFieldRowsFrom( m_aRelationDetailColumns, m_aRelationMasterColumns );
|
|
}
|
|
|
|
IMPL_LINK_NOARG( FormLinkDialog, OnFieldChanged, FieldLinkRow&, void )
|
|
{
|
|
updateOkButton();
|
|
}
|
|
|
|
IMPL_LINK_NOARG( FormLinkDialog, OnInitialize, void*, void )
|
|
{
|
|
initializeColumnLabels();
|
|
initializeFieldLists();
|
|
initializeLinks();
|
|
initializeSuggest();
|
|
}
|
|
|
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} // namespace pcr
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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