/* -*- 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 "formlinkdialog.hxx" #include "modulepcr.hxx" #include "formresid.hrc" #include "formstrings.hxx" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include namespace pcr { using namespace ::com::sun::star::uno; using namespace ::com::sun::star::lang; using namespace ::com::sun::star::form; using namespace ::com::sun::star::sdb; using namespace ::com::sun::star::sdbc; using namespace ::com::sun::star::sdbcx; using namespace ::com::sun::star::beans; using namespace ::com::sun::star::container; //= FieldLinkRow class FieldLinkRow : public TabPage { private: VclPtr m_pDetailColumn; VclPtr m_pMasterColumn; Link m_aLinkChangeHandler; public: explicit FieldLinkRow( vcl::Window* _pParent ); virtual ~FieldLinkRow() override; virtual void dispose() override; inline void SetLinkChangeHandler( const Link& _rHdl ) { m_aLinkChangeHandler = _rHdl; } enum LinkParticipant { eDetailField, eMasterField }; /** retrieves the selected field name for either the master or the detail field @return if and only a valid field is selected */ bool GetFieldName( LinkParticipant _eWhich, OUString& /* [out] */ _rName ) const; void SetFieldName( LinkParticipant _eWhich, const OUString& _rName ); void fillList( LinkParticipant _eWhich, const Sequence< OUString >& _rFieldNames ); private: DECL_LINK( OnFieldNameChanged, Edit&, void ); }; FieldLinkRow::FieldLinkRow( vcl::Window* _pParent ) :TabPage( _pParent, "FieldLinkRow", "modules/spropctrlr/ui/fieldlinkrow.ui" ) { get(m_pDetailColumn, "detailCombobox"); get(m_pMasterColumn, "masterCombobox"); m_pDetailColumn->SetDropDownLineCount( 10 ); m_pMasterColumn->SetDropDownLineCount( 10 ); m_pDetailColumn->SetModifyHdl( LINK( this, FieldLinkRow, OnFieldNameChanged ) ); m_pMasterColumn->SetModifyHdl( LINK( this, FieldLinkRow, OnFieldNameChanged ) ); } FieldLinkRow::~FieldLinkRow() { disposeOnce(); } void FieldLinkRow::dispose() { m_pDetailColumn.clear(); m_pMasterColumn.clear(); TabPage::dispose(); } void FieldLinkRow::fillList( LinkParticipant _eWhich, const Sequence< OUString >& _rFieldNames ) { ComboBox* pBox = ( _eWhich == eDetailField ) ? m_pDetailColumn.get() : m_pMasterColumn.get(); const OUString* pFieldName = _rFieldNames.getConstArray(); const OUString* pFieldNameEnd = pFieldName + _rFieldNames.getLength(); for ( ; pFieldName != pFieldNameEnd; ++pFieldName ) pBox->InsertEntry( *pFieldName ); } bool FieldLinkRow::GetFieldName( LinkParticipant _eWhich, OUString& /* [out] */ _rName ) const { const ComboBox* pBox = ( _eWhich == eDetailField ) ? m_pDetailColumn : m_pMasterColumn; _rName = pBox->GetText(); return !_rName.isEmpty(); } void FieldLinkRow::SetFieldName( LinkParticipant _eWhich, const OUString& _rName ) { ComboBox* pBox = ( _eWhich == eDetailField ) ? m_pDetailColumn.get() : m_pMasterColumn.get(); pBox->SetText( _rName ); } IMPL_LINK_NOARG( FieldLinkRow, OnFieldNameChanged, Edit&, void ) { m_aLinkChangeHandler.Call( *this ); } VCL_BUILDER_FACTORY(FieldLinkRow) //= FormLinkDialog FormLinkDialog::FormLinkDialog( vcl::Window* _pParent, const Reference< XPropertySet >& _rxDetailForm, const Reference< XPropertySet >& _rxMasterForm, const Reference< XComponentContext >& _rxContext, const OUString& _sExplanation, const OUString& _sDetailLabel, const OUString& _sMasterLabel) :ModalDialog( _pParent, "FormLinks", "modules/spropctrlr/ui/formlinksdialog.ui" ) ,m_aRow1 ( VclPtr::Create( get("box") ) ) ,m_aRow2 ( VclPtr::Create( get("box") ) ) ,m_aRow3 ( VclPtr::Create( get("box") ) ) ,m_aRow4 ( VclPtr::Create( get("box") ) ) ,m_xContext ( _rxContext ) ,m_xDetailForm( _rxDetailForm ) ,m_xMasterForm( _rxMasterForm ) ,m_sDetailLabel(_sDetailLabel) ,m_sMasterLabel(_sMasterLabel) { get(m_pExplanation, "explanationLabel"); get(m_pDetailLabel, "detailLabel"); get(m_pMasterLabel, "masterLabel"); get(m_pOK, "ok"); get(m_pSuggest, "suggestButton"); m_aRow1->Show(); m_aRow2->Show(); m_aRow3->Show(); m_aRow4->Show(); set_width_request(600); if ( !_sExplanation.isEmpty() ) m_pExplanation->SetText(_sExplanation); m_pSuggest->SetClickHdl ( LINK( this, FormLinkDialog, OnSuggest ) ); m_aRow1->SetLinkChangeHandler( LINK( this, FormLinkDialog, OnFieldChanged ) ); m_aRow2->SetLinkChangeHandler( LINK( this, FormLinkDialog, OnFieldChanged ) ); m_aRow3->SetLinkChangeHandler( LINK( this, FormLinkDialog, OnFieldChanged ) ); m_aRow4->SetLinkChangeHandler( LINK( this, FormLinkDialog, OnFieldChanged ) ); PostUserEvent( LINK( this, FormLinkDialog, OnInitialize ), nullptr, true ); updateOkButton(); } FormLinkDialog::~FormLinkDialog( ) { disposeOnce(); } void FormLinkDialog::dispose( ) { m_pExplanation.clear(); m_pDetailLabel.clear(); m_pMasterLabel.clear(); m_pOK.clear(); m_pSuggest.clear(); m_aRow1.disposeAndClear(); m_aRow2.disposeAndClear(); m_aRow3.disposeAndClear(); m_aRow4.disposeAndClear(); ModalDialog::dispose(); } void FormLinkDialog::commitLinkPairs() { // collect the field lists from the rows std::vector< OUString > aDetailFields; aDetailFields.reserve( 4 ); std::vector< OUString > aMasterFields; aMasterFields.reserve( 4 ); const FieldLinkRow* aRows[] = { m_aRow1.get(), m_aRow2.get(), m_aRow3.get(), m_aRow4.get() }; for (const FieldLinkRow* aRow : aRows) { OUString sDetailField, sMasterField; aRow->GetFieldName( FieldLinkRow::eDetailField, sDetailField ); aRow->GetFieldName( FieldLinkRow::eMasterField, sMasterField ); if ( sDetailField.isEmpty() && sMasterField.isEmpty() ) continue; aDetailFields.push_back( sDetailField ); aMasterFields.push_back( sMasterField ); } // and set as property values try { Reference< XPropertySet > xDetailFormProps( m_xDetailForm, UNO_QUERY ); if ( xDetailFormProps.is() ) { xDetailFormProps->setPropertyValue( PROPERTY_DETAILFIELDS, makeAny( Sequence< OUString >( aDetailFields.data(), aDetailFields.size() ) ) ); xDetailFormProps->setPropertyValue( PROPERTY_MASTERFIELDS, makeAny( Sequence< OUString >( aMasterFields.data(), aMasterFields.size() ) ) ); } } catch( const Exception& ) { OSL_FAIL( "FormLinkDialog::commitLinkPairs: caught an exception while setting the properties!" ); } } short FormLinkDialog::Execute() { short nResult = ModalDialog::Execute(); if ( RET_OK == nResult ) commitLinkPairs(); return nResult; } void FormLinkDialog::initializeFieldLists() { Sequence< OUString > sDetailFields; getFormFields( m_xDetailForm, sDetailFields ); Sequence< OUString > sMasterFields; getFormFields( m_xMasterForm, sMasterFields ); FieldLinkRow* aRows[] = { m_aRow1.get(), m_aRow2.get(), m_aRow3.get(), m_aRow4.get() }; for (FieldLinkRow* aRow : aRows) { aRow->fillList( FieldLinkRow::eDetailField, sDetailFields ); aRow->fillList( FieldLinkRow::eMasterField, sMasterFields ); } } void FormLinkDialog::initializeColumnLabels() { // label for the detail form OUString sDetailType = getFormDataSourceType( m_xDetailForm ); if ( sDetailType.isEmpty() ) { if ( m_sDetailLabel.isEmpty() ) { m_sDetailLabel = PcrRes(STR_DETAIL_FORM).toString(); } sDetailType = m_sDetailLabel; } m_pDetailLabel->SetText( sDetailType ); // label for the master form OUString sMasterType = getFormDataSourceType( m_xMasterForm ); if ( sMasterType.isEmpty() ) { if ( m_sMasterLabel.isEmpty() ) { m_sMasterLabel = PcrRes(STR_MASTER_FORM).toString(); } sMasterType = m_sMasterLabel; } m_pMasterLabel->SetText( sMasterType ); } void FormLinkDialog::initializeFieldRowsFrom( std::vector< OUString >& _rDetailFields, std::vector< OUString >& _rMasterFields ) { // our UI does allow 4 fields max _rDetailFields.resize( 4 ); _rMasterFields.resize( 4 ); FieldLinkRow* aRows[] = { m_aRow1.get(), m_aRow2.get(), m_aRow3.get(), m_aRow4.get() }; for ( sal_Int32 i = 0; i < 4; ++i ) { aRows[ i ]->SetFieldName( FieldLinkRow::eDetailField, _rDetailFields[i] ); aRows[ i ]->SetFieldName( FieldLinkRow::eMasterField, _rMasterFields[i] ); } } void FormLinkDialog::initializeLinks() { try { Sequence< OUString > aDetailFields; Sequence< OUString > aMasterFields; Reference< XPropertySet > xDetailFormProps( m_xDetailForm, UNO_QUERY ); if ( xDetailFormProps.is() ) { xDetailFormProps->getPropertyValue( PROPERTY_DETAILFIELDS ) >>= aDetailFields; xDetailFormProps->getPropertyValue( PROPERTY_MASTERFIELDS ) >>= aMasterFields; } std::vector< OUString > aDetailFields1; comphelper::sequenceToContainer(aDetailFields1, aDetailFields); std::vector< OUString > aMasterFields1; comphelper::sequenceToContainer(aMasterFields1, aMasterFields); initializeFieldRowsFrom( aDetailFields1, aMasterFields1 ); } catch( const Exception& ) { OSL_FAIL( "FormLinkDialog::initializeLinks: caught an exception!" ); } } void FormLinkDialog::updateOkButton() { // in all rows, there must be either two valid selections, or none at all // If there is at least one row with exactly one valid selection, then the // OKButton needs to be disabled bool bEnable = true; const FieldLinkRow* aRows[] = { m_aRow1.get(), m_aRow2.get(), m_aRow3.get(), m_aRow4.get() }; for ( sal_Int32 i = 0; ( i < 4 ) && bEnable; ++i ) { OUString sNotInterestedInRightNow; if ( aRows[ i ]->GetFieldName( FieldLinkRow::eDetailField, sNotInterestedInRightNow ) != aRows[ i ]->GetFieldName( FieldLinkRow::eMasterField, sNotInterestedInRightNow ) ) bEnable = false; } m_pOK->Enable( bEnable ); } OUString FormLinkDialog::getFormDataSourceType( const Reference< XPropertySet >& _rxForm ) { OUString sReturn; if ( !_rxForm.is() ) return sReturn; try { sal_Int32 nCommandType = CommandType::COMMAND; OUString sCommand; _rxForm->getPropertyValue( PROPERTY_COMMANDTYPE ) >>= nCommandType; _rxForm->getPropertyValue( PROPERTY_COMMAND ) >>= sCommand; if ( ( nCommandType == CommandType::TABLE ) || ( nCommandType == CommandType::QUERY ) ) sReturn = sCommand; } catch( const Exception& ) { OSL_FAIL( "FormLinkDialog::getFormDataSourceType: caught an exception!" ); } return sReturn; } void FormLinkDialog::getFormFields( const Reference< XPropertySet >& _rxForm, Sequence< OUString >& /* [out] */ _rNames ) const { _rNames.realloc( 0 ); ::dbtools::SQLExceptionInfo aErrorInfo; OUString sCommand; try { WaitObject aWaitCursor( const_cast< FormLinkDialog* >( this ) ); OSL_ENSURE( _rxForm.is(), "FormLinkDialog::getFormFields: invalid form!" ); sal_Int32 nCommandType = CommandType::COMMAND; _rxForm->getPropertyValue( PROPERTY_COMMANDTYPE ) >>= nCommandType; _rxForm->getPropertyValue( PROPERTY_COMMAND ) >>= sCommand; Reference< XConnection > xConnection; ensureFormConnection( _rxForm, xConnection ); _rNames = ::dbtools::getFieldNamesByCommandDescriptor( xConnection, nCommandType, sCommand, &aErrorInfo ); } catch (const SQLContext& e) { aErrorInfo = e; } catch (const SQLWarning& e) { aErrorInfo = e; } catch (const SQLException& e ) { aErrorInfo = e; } catch( const Exception& ) { OSL_FAIL( "FormLinkDialog::getFormFields: caught a non-SQL exception!" ); } if ( aErrorInfo.isValid() ) { OUString sErrorMessage; { sErrorMessage = PcrRes(STR_ERROR_RETRIEVING_COLUMNS).toString(); sErrorMessage = sErrorMessage.replaceFirst("#", sCommand); } SQLContext aContext; aContext.Message = sErrorMessage; aContext.NextException = aErrorInfo.get(); ::dbtools::showError( aContext, VCLUnoHelper::GetInterface( const_cast< FormLinkDialog* >( this ) ), m_xContext ); } } void FormLinkDialog::ensureFormConnection( const Reference< XPropertySet >& _rxFormProps, Reference< XConnection >& /* [out] */ _rxConnection ) const { OSL_PRECOND( _rxFormProps.is(), "FormLinkDialog::ensureFormConnection: invalid form!" ); if ( !_rxFormProps.is() ) return; if ( _rxFormProps->getPropertySetInfo()->hasPropertyByName(PROPERTY_ACTIVE_CONNECTION) ) _rxConnection.set(_rxFormProps->getPropertyValue(PROPERTY_ACTIVE_CONNECTION),UNO_QUERY); if ( !_rxConnection.is() ) _rxConnection = ::dbtools::connectRowset( Reference< XRowSet >( _rxFormProps, UNO_QUERY ), m_xContext, true ); } void FormLinkDialog::getConnectionMetaData( const Reference< XPropertySet >& _rxFormProps, Reference< XDatabaseMetaData >& /* [out] */ _rxMeta ) { if ( _rxFormProps.is() ) { Reference< XConnection > xConnection; if ( !::dbtools::isEmbeddedInDatabase( _rxFormProps, xConnection ) ) _rxFormProps->getPropertyValue( PROPERTY_ACTIVE_CONNECTION ) >>= xConnection; if ( xConnection.is() ) _rxMeta = xConnection->getMetaData(); } } Reference< XPropertySet > FormLinkDialog::getCanonicUnderlyingTable( const Reference< XPropertySet >& _rxFormProps ) const { Reference< XPropertySet > xTable; try { Reference< XTablesSupplier > xTablesInForm( ::dbtools::getCurrentSettingsComposer( _rxFormProps, m_xContext ), UNO_QUERY ); Reference< XNameAccess > xTables; if ( xTablesInForm.is() ) xTables = xTablesInForm->getTables(); Sequence< OUString > aTableNames; if ( xTables.is() ) aTableNames = xTables->getElementNames(); if ( aTableNames.getLength() == 1 ) { xTables->getByName( aTableNames[ 0 ] ) >>= xTable; OSL_ENSURE( xTable.is(), "FormLinkDialog::getCanonicUnderlyingTable: invalid table!" ); } } catch( const Exception& ) { OSL_FAIL( "FormLinkDialog::getCanonicUnderlyingTable: caught an exception!" ); } return xTable; } bool FormLinkDialog::getExistingRelation( const Reference< XPropertySet >& _rxLHS, const Reference< XPropertySet >& /*_rxRHS*/, // TODO: fix the usage of _rxRHS. This is issue #i81956#. std::vector< OUString >& _rLeftFields, std::vector< OUString >& _rRightFields ) { try { Reference< XKeysSupplier > xSuppKeys( _rxLHS, UNO_QUERY ); Reference< XIndexAccess > xKeys; if ( xSuppKeys.is() ) xKeys = xSuppKeys->getKeys(); if ( xKeys.is() ) { Reference< XPropertySet > xKey; Reference< XColumnsSupplier > xKeyColSupp( xKey, UNO_QUERY ); Reference< XIndexAccess > xKeyColumns; Reference< XPropertySet > xKeyColumn; OUString sColumnName, sRelatedColumnName; const sal_Int32 keyCount = xKeys->getCount(); for ( sal_Int32 key = 0; key < keyCount; ++key ) { xKeys->getByIndex( key ) >>= xKey; sal_Int32 nKeyType = 0; xKey->getPropertyValue("Type") >>= nKeyType; if ( nKeyType != KeyType::FOREIGN ) continue; xKeyColumns.clear(); xKeyColSupp.set(xKey, css::uno::UNO_QUERY); if ( xKeyColSupp.is() ) xKeyColumns.set(xKeyColSupp->getColumns(), css::uno::UNO_QUERY); OSL_ENSURE( xKeyColumns.is(), "FormLinkDialog::getExistingRelation: could not obtain the columns for the key!" ); if ( !xKeyColumns.is() ) continue; const sal_Int32 columnCount = xKeyColumns->getCount(); _rLeftFields.resize( columnCount ); _rRightFields.resize( columnCount ); for ( sal_Int32 column = 0; column < columnCount; ++column ) { xKeyColumn.clear(); xKeyColumns->getByIndex( column ) >>= xKeyColumn; OSL_ENSURE( xKeyColumn.is(), "FormLinkDialog::getExistingRelation: invalid key column!" ); if ( xKeyColumn.is() ) { xKeyColumn->getPropertyValue( PROPERTY_NAME ) >>= sColumnName; xKeyColumn->getPropertyValue("RelatedColumn") >>= sRelatedColumnName; _rLeftFields[ column ] = sColumnName; _rRightFields[ column ] = sRelatedColumnName; } } } } } catch( const Exception& ) { OSL_FAIL( "FormLinkDialog::getExistingRelation: caught an exception!" ); } return ( !_rLeftFields.empty() ) && ( !_rLeftFields[ 0 ].isEmpty() ); } void FormLinkDialog::initializeSuggest() { Reference< XPropertySet > xDetailFormProps( m_xDetailForm, UNO_QUERY ); Reference< XPropertySet > xMasterFormProps( m_xMasterForm, UNO_QUERY ); if ( !xDetailFormProps.is() || !xMasterFormProps.is() ) return; try { bool bEnable = true; // only show the button when both forms are based on the same data source if ( bEnable ) { OUString sMasterDS, sDetailDS; xMasterFormProps->getPropertyValue( PROPERTY_DATASOURCE ) >>= sMasterDS; xDetailFormProps->getPropertyValue( PROPERTY_DATASOURCE ) >>= sDetailDS; bEnable = ( sMasterDS == sDetailDS ); } // only show the button when the connection supports relations if ( bEnable ) { Reference< XDatabaseMetaData > xMeta; getConnectionMetaData( xDetailFormProps, xMeta ); OSL_ENSURE( xMeta.is(), "FormLinkDialog::initializeSuggest: unable to retrieve the meta data for the connection!" ); try { bEnable = xMeta.is() && xMeta->supportsIntegrityEnhancementFacility(); } catch(const Exception&) { bEnable = false; } } // only enable the button if there is a "canonic" table underlying both forms Reference< XPropertySet > xDetailTable, xMasterTable; if ( bEnable ) { xDetailTable = getCanonicUnderlyingTable( xDetailFormProps ); xMasterTable = getCanonicUnderlyingTable( xMasterFormProps ); 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 ); 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_pSuggest->Enable( bEnable ); } catch( const Exception& ) { OSL_FAIL( "FormLinkDialog::initializeSuggest: caught an exception!" ); } } IMPL_LINK_NOARG( FormLinkDialog, OnSuggest, 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(); } } // namespace pcr /* vim:set shiftwidth=4 softtabstop=4 expandtab: */