| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_extensions.hxx" |
| |
| #include "formlinkdialog.hxx" |
| #include "formlinkdialog.hrc" |
| |
| #ifndef _EXTENSIONS_PROPCTRLR_MODULEPRC_HXX_ |
| #include "modulepcr.hxx" |
| #endif |
| #ifndef _EXTENSIONS_FORMCTRLR_PROPRESID_HRC_ |
| #include "formresid.hrc" |
| #endif |
| #include "formstrings.hxx" |
| #include <vcl/combobox.hxx> |
| #include <vcl/msgbox.hxx> |
| #include <vcl/waitobj.hxx> |
| #include <svtools/localresaccess.hxx> |
| #include <connectivity/dbtools.hxx> |
| #include <connectivity/dbexception.hxx> |
| #include <toolkit/helper/vclunohelper.hxx> |
| |
| /** === begin UNO includes === **/ |
| #include <com/sun/star/sdbcx/XColumnsSupplier.hpp> |
| #include <com/sun/star/sdbcx/XKeysSupplier.hpp> |
| #include <com/sun/star/sdbcx/KeyType.hpp> |
| #include <com/sun/star/container/XNameAccess.hpp> |
| #include <com/sun/star/sdbcx/XTablesSupplier.hpp> |
| #include <com/sun/star/sdbc/XRowSet.hpp> |
| #include <com/sun/star/sdb/CommandType.hpp> |
| #include <com/sun/star/sdb/SQLContext.hpp> |
| /** === end UNO includes === **/ |
| |
| |
| //............................................................................ |
| 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 Window |
| { |
| private: |
| ComboBox m_aDetailColumn; |
| FixedText m_aEqualSign; |
| ComboBox m_aMasterColumn; |
| |
| Link m_aLinkChangeHandler; |
| |
| public: |
| FieldLinkRow( Window* _pParent, const ResId& _rId ); |
| |
| inline void SetLinkChangeHandler( const Link& _rHdl ) { m_aLinkChangeHandler = _rHdl; } |
| inline const Link& GetLinkChangeHandler( ) const { return m_aLinkChangeHandler; } |
| |
| enum LinkParticipant |
| { |
| eDetailField, |
| eMasterField |
| }; |
| /** retrieves the selected field name for either the master or the detail field |
| @return <TRUE/> if and only a valid field is selected |
| */ |
| bool GetFieldName( LinkParticipant _eWhich, String& /* [out] */ _rName ) const; |
| void SetFieldName( LinkParticipant _eWhich, const String& _rName ); |
| |
| void fillList( LinkParticipant _eWhich, const Sequence< ::rtl::OUString >& _rFieldNames ); |
| |
| private: |
| DECL_LINK( OnFieldNameChanged, ComboBox* ); |
| }; |
| |
| //------------------------------------------------------------------------ |
| FieldLinkRow::FieldLinkRow( Window* _pParent, const ResId& _rId ) |
| :Window( _pParent, _rId ) |
| ,m_aDetailColumn( this, ResId( 1, *_rId.GetResMgr() ) ) |
| ,m_aEqualSign ( this, ResId( 1, *_rId.GetResMgr() ) ) |
| ,m_aMasterColumn( this, ResId( 2, *_rId.GetResMgr() ) ) |
| { |
| FreeResource(); |
| |
| m_aDetailColumn.SetDropDownLineCount( 10 ); |
| m_aMasterColumn.SetDropDownLineCount( 10 ); |
| |
| m_aDetailColumn.SetModifyHdl( LINK( this, FieldLinkRow, OnFieldNameChanged ) ); |
| m_aMasterColumn.SetModifyHdl( LINK( this, FieldLinkRow, OnFieldNameChanged ) ); |
| } |
| |
| //------------------------------------------------------------------------ |
| void FieldLinkRow::fillList( LinkParticipant _eWhich, const Sequence< ::rtl::OUString >& _rFieldNames ) |
| { |
| ComboBox* pBox = ( _eWhich == eDetailField ) ? &m_aDetailColumn : &m_aMasterColumn; |
| |
| const ::rtl::OUString* pFieldName = _rFieldNames.getConstArray(); |
| const ::rtl::OUString* pFieldNameEnd = pFieldName + _rFieldNames.getLength(); |
| for ( ; pFieldName != pFieldNameEnd; ++pFieldName ) |
| pBox->InsertEntry( *pFieldName ); |
| } |
| |
| //------------------------------------------------------------------------ |
| bool FieldLinkRow::GetFieldName( LinkParticipant _eWhich, String& /* [out] */ _rName ) const |
| { |
| const ComboBox* pBox = ( _eWhich == eDetailField ) ? &m_aDetailColumn : &m_aMasterColumn; |
| _rName = pBox->GetText(); |
| return _rName.Len() != 0; |
| } |
| |
| //------------------------------------------------------------------------ |
| void FieldLinkRow::SetFieldName( LinkParticipant _eWhich, const String& _rName ) |
| { |
| ComboBox* pBox = ( _eWhich == eDetailField ) ? &m_aDetailColumn : &m_aMasterColumn; |
| pBox->SetText( _rName ); |
| } |
| |
| //------------------------------------------------------------------------ |
| IMPL_LINK( FieldLinkRow, OnFieldNameChanged, ComboBox*, /*_pBox*/ ) |
| { |
| if ( m_aLinkChangeHandler.IsSet() ) |
| return m_aLinkChangeHandler.Call( this ); |
| |
| return 0L; |
| } |
| |
| //======================================================================== |
| //= FormLinkDialog |
| //======================================================================== |
| //------------------------------------------------------------------------ |
| FormLinkDialog::FormLinkDialog( Window* _pParent, const Reference< XPropertySet >& _rxDetailForm, |
| const Reference< XPropertySet >& _rxMasterForm, const Reference< XMultiServiceFactory >& _rxORB, |
| const ::rtl::OUString& _sExplanation, |
| const ::rtl::OUString& _sDetailLabel, |
| const ::rtl::OUString& _sMasterLabel) |
| :ModalDialog( _pParent, PcrRes( RID_DLG_FORMLINKS ) ) |
| ,m_aExplanation( this, PcrRes( FT_EXPLANATION ) ) |
| ,m_aDetailLabel( this, PcrRes( FT_DETAIL_LABEL ) ) |
| ,m_aMasterLabel( this, PcrRes( FT_MASTER_LABEL ) ) |
| ,m_aRow1 ( new FieldLinkRow( this, PcrRes( 1 ) ) ) |
| ,m_aRow2 ( new FieldLinkRow( this, PcrRes( 2 ) ) ) |
| ,m_aRow3 ( new FieldLinkRow( this, PcrRes( 3 ) ) ) |
| ,m_aRow4 ( new FieldLinkRow( this, PcrRes( 4 ) ) ) |
| ,m_aOK ( this, PcrRes( PB_OK ) ) |
| ,m_aCancel ( this, PcrRes( PB_CANCEL ) ) |
| ,m_aHelp ( this, PcrRes( PB_HELP ) ) |
| ,m_aSuggest ( this, PcrRes( PB_SUGGEST ) ) |
| ,m_xORB ( _rxORB ) |
| ,m_xDetailForm( _rxDetailForm ) |
| ,m_xMasterForm( _rxMasterForm ) |
| ,m_sDetailLabel(_sDetailLabel) |
| ,m_sMasterLabel(_sMasterLabel) |
| { |
| FreeResource(); |
| if ( _sExplanation.getLength() ) |
| m_aExplanation.SetText(_sExplanation); |
| |
| m_aSuggest.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 ) ); |
| |
| updateOkButton(); |
| } |
| |
| //------------------------------------------------------------------------ |
| FormLinkDialog::~FormLinkDialog( ) |
| { |
| } |
| |
| //------------------------------------------------------------------------ |
| void FormLinkDialog::commitLinkPairs() |
| { |
| // collect the field lists from the rows |
| ::std::vector< ::rtl::OUString > aDetailFields; aDetailFields.reserve( 4 ); |
| ::std::vector< ::rtl::OUString > aMasterFields; aMasterFields.reserve( 4 ); |
| |
| const FieldLinkRow* aRows[] = { |
| m_aRow1.get(), m_aRow2.get(), m_aRow3.get(), m_aRow4.get() |
| }; |
| |
| for ( sal_Int32 i = 0; i < 4; ++i ) |
| { |
| String sDetailField, sMasterField; |
| aRows[ i ]->GetFieldName( FieldLinkRow::eDetailField, sDetailField ); |
| aRows[ i ]->GetFieldName( FieldLinkRow::eMasterField, sMasterField ); |
| if ( !sDetailField.Len() && !sMasterField.Len() ) |
| 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() ) |
| { |
| ::rtl::OUString *pFields = aDetailFields.empty() ? 0 : &aDetailFields[0]; |
| xDetailFormProps->setPropertyValue( PROPERTY_DETAILFIELDS, makeAny( Sequence< ::rtl::OUString >( pFields, aDetailFields.size() ) ) ); |
| pFields = aMasterFields.empty() ? 0 : &aMasterFields[0]; |
| xDetailFormProps->setPropertyValue( PROPERTY_MASTERFIELDS, makeAny( Sequence< ::rtl::OUString >( pFields, aMasterFields.size() ) ) ); |
| } |
| } |
| catch( const Exception& ) |
| { |
| OSL_ENSURE( sal_False, "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< ::rtl::OUString > sDetailFields; |
| getFormFields( m_xDetailForm, sDetailFields ); |
| |
| Sequence< ::rtl::OUString > sMasterFields; |
| getFormFields( m_xMasterForm, sMasterFields ); |
| |
| FieldLinkRow* aRows[] = { |
| m_aRow1.get(), m_aRow2.get(), m_aRow3.get(), m_aRow4.get() |
| }; |
| for ( sal_Int32 i = 0; i < 4 ; ++i ) |
| { |
| aRows[i]->fillList( FieldLinkRow::eDetailField, sDetailFields ); |
| aRows[i]->fillList( FieldLinkRow::eMasterField, sMasterFields ); |
| } |
| |
| } |
| |
| //------------------------------------------------------------------------ |
| void FormLinkDialog::initializeColumnLabels() |
| { |
| // label for the detail form |
| String sDetailType = getFormDataSourceType( m_xDetailForm ); |
| if ( !sDetailType.Len() ) |
| { |
| if ( !m_sDetailLabel.getLength() ) |
| { |
| ::svt::OLocalResourceAccess aStringAccess( PcrRes( RID_DLG_FORMLINKS ), RSC_MODALDIALOG ); |
| m_sDetailLabel = String( PcrRes( STR_DETAIL_FORM ) ); |
| } |
| sDetailType = m_sDetailLabel; |
| } |
| m_aDetailLabel.SetText( sDetailType ); |
| |
| // label for the master form |
| String sMasterType = getFormDataSourceType( m_xMasterForm ); |
| if ( !sMasterType.Len() ) |
| { |
| if ( !m_sMasterLabel.getLength() ) |
| { |
| ::svt::OLocalResourceAccess aStringAccess( PcrRes( RID_DLG_FORMLINKS ), RSC_MODALDIALOG ); |
| m_sMasterLabel = String( PcrRes( STR_MASTER_FORM ) ); |
| } |
| sMasterType = m_sMasterLabel; |
| } |
| m_aMasterLabel.SetText( sMasterType ); |
| } |
| |
| //------------------------------------------------------------------------ |
| void FormLinkDialog::initializeFieldRowsFrom( Sequence< ::rtl::OUString >& _rDetailFields, Sequence< ::rtl::OUString >& _rMasterFields ) |
| { |
| // our UI does allow 4 fields max |
| _rDetailFields.realloc( 4 ); |
| _rMasterFields.realloc( 4 ); |
| |
| const ::rtl::OUString* pDetailFields = _rDetailFields.getConstArray(); |
| const ::rtl::OUString* pMasterFields = _rMasterFields.getConstArray(); |
| |
| FieldLinkRow* aRows[] = { |
| m_aRow1.get(), m_aRow2.get(), m_aRow3.get(), m_aRow4.get() |
| }; |
| for ( sal_Int32 i = 0; i < 4; ++i, ++pDetailFields, ++pMasterFields ) |
| { |
| aRows[ i ]->SetFieldName( FieldLinkRow::eDetailField, *pDetailFields ); |
| aRows[ i ]->SetFieldName( FieldLinkRow::eMasterField, *pMasterFields ); |
| } |
| } |
| |
| //------------------------------------------------------------------------ |
| void FormLinkDialog::initializeLinks() |
| { |
| try |
| { |
| Sequence< ::rtl::OUString > aDetailFields; |
| Sequence< ::rtl::OUString > aMasterFields; |
| |
| Reference< XPropertySet > xDetailFormProps( m_xDetailForm, UNO_QUERY ); |
| if ( xDetailFormProps.is() ) |
| { |
| xDetailFormProps->getPropertyValue( PROPERTY_DETAILFIELDS ) >>= aDetailFields; |
| xDetailFormProps->getPropertyValue( PROPERTY_MASTERFIELDS ) >>= aMasterFields; |
| } |
| |
| initializeFieldRowsFrom( aDetailFields, aMasterFields ); |
| } |
| catch( const Exception& ) |
| { |
| OSL_ENSURE( sal_False, "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 |
| sal_Bool bEnable = sal_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 ) |
| { |
| String sNotInterestedInRightNow; |
| if ( aRows[ i ]->GetFieldName( FieldLinkRow::eDetailField, sNotInterestedInRightNow ) |
| != aRows[ i ]->GetFieldName( FieldLinkRow::eMasterField, sNotInterestedInRightNow ) |
| ) |
| bEnable = sal_False; |
| } |
| |
| m_aOK.Enable( bEnable ); |
| } |
| |
| //------------------------------------------------------------------------ |
| String FormLinkDialog::getFormDataSourceType( const Reference< XPropertySet >& _rxForm ) const SAL_THROW(()) |
| { |
| String sReturn; |
| Reference< XPropertySet > xFormProps( _rxForm, UNO_QUERY ); |
| if ( !xFormProps.is() ) |
| return sReturn; |
| |
| try |
| { |
| sal_Int32 nCommandType = CommandType::COMMAND; |
| ::rtl::OUString sCommand; |
| |
| xFormProps->getPropertyValue( PROPERTY_COMMANDTYPE ) >>= nCommandType; |
| xFormProps->getPropertyValue( PROPERTY_COMMAND ) >>= sCommand; |
| |
| if ( ( nCommandType == CommandType::TABLE ) |
| || ( nCommandType == CommandType::QUERY ) |
| ) |
| sReturn = sCommand; |
| } |
| catch( const Exception& ) |
| { |
| OSL_ENSURE( sal_False, "FormLinkDialog::getFormDataSourceType: caught an exception!" ); |
| } |
| return sReturn; |
| } |
| |
| //------------------------------------------------------------------------ |
| void FormLinkDialog::getFormFields( const Reference< XPropertySet >& _rxForm, Sequence< ::rtl::OUString >& /* [out] */ _rNames ) const SAL_THROW(( )) |
| { |
| _rNames.realloc( 0 ); |
| |
| ::dbtools::SQLExceptionInfo aErrorInfo; |
| ::rtl::OUString sCommand; |
| try |
| { |
| WaitObject aWaitCursor( const_cast< FormLinkDialog* >( this ) ); |
| |
| Reference< XPropertySet > xFormProps( _rxForm, UNO_QUERY ); |
| OSL_ENSURE( xFormProps.is(), "FormLinkDialog::getFormFields: invalid form!" ); |
| |
| sal_Int32 nCommandType = CommandType::COMMAND; |
| |
| xFormProps->getPropertyValue( PROPERTY_COMMANDTYPE ) >>= nCommandType; |
| xFormProps->getPropertyValue( PROPERTY_COMMAND ) >>= sCommand; |
| |
| Reference< XConnection > xConnection; |
| ensureFormConnection( xFormProps, 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_ENSURE( sal_False, "FormLinkDialog::getFormFields: caught a non-SQL exception!" ); |
| } |
| |
| if ( aErrorInfo.isValid() ) |
| { |
| String sErrorMessage; |
| { |
| ::svt::OLocalResourceAccess aStringAccess( PcrRes( RID_DLG_FORMLINKS ), RSC_MODALDIALOG ); |
| sErrorMessage = String( PcrRes( STR_ERROR_RETRIEVING_COLUMNS) ); |
| sErrorMessage.SearchAndReplace('#',sCommand); |
| } |
| |
| SQLContext aContext; |
| aContext.Message = sErrorMessage; |
| aContext.NextException = aErrorInfo.get(); |
| ::dbtools::showError( aContext, VCLUnoHelper::GetInterface( const_cast< FormLinkDialog* >( this ) ), m_xORB ); |
| } |
| } |
| |
| //------------------------------------------------------------------------ |
| void FormLinkDialog::ensureFormConnection( const Reference< XPropertySet >& _rxFormProps, Reference< XConnection >& /* [out] */ _rxConnection ) const SAL_THROW(( Exception )) |
| { |
| 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_xORB, sal_True ); |
| } |
| |
| //------------------------------------------------------------------------ |
| void FormLinkDialog::getConnectionMetaData( const Reference< XPropertySet >& _rxFormProps, Reference< XDatabaseMetaData >& /* [out] */ _rxMeta ) const SAL_THROW(( Exception )) |
| { |
| 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_xORB ), UNO_QUERY ); |
| Reference< XNameAccess > xTables; |
| if ( xTablesInForm.is() ) |
| xTables = xTablesInForm->getTables(); |
| Sequence< ::rtl::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_ENSURE( sal_False, "FormLinkDialog::getCanonicUnderlyingTable: caught an exception!" ); |
| } |
| return xTable; |
| } |
| |
| //------------------------------------------------------------------------ |
| sal_Bool FormLinkDialog::getExistingRelation( const Reference< XPropertySet >& _rxLHS, const Reference< XPropertySet >& /*_rxRHS*/, |
| // TODO: fix the usage of _rxRHS. This is issue #i81956#. |
| Sequence< ::rtl::OUString >& _rLeftFields, Sequence< ::rtl::OUString >& _rRightFields ) const |
| { |
| 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; |
| ::rtl::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( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "Type" ) ) ) >>= nKeyType; |
| if ( nKeyType != KeyType::FOREIGN ) |
| continue; |
| |
| xKeyColumns.clear(); |
| xKeyColSupp = xKeyColSupp.query( xKey ); |
| if ( xKeyColSupp.is() ) |
| xKeyColumns = xKeyColumns.query( xKeyColSupp->getColumns() ); |
| 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.realloc( columnCount ); |
| _rRightFields.realloc( 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( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "RelatedColumn" ) ) ) >>= sRelatedColumnName; |
| |
| _rLeftFields[ column ] = sColumnName; |
| _rRightFields[ column ] = sRelatedColumnName; |
| } |
| } |
| } |
| } |
| } |
| catch( const Exception& ) |
| { |
| OSL_ENSURE( sal_False, "FormLinkDialog::getExistingRelation: caught an exception!" ); |
| } |
| |
| return ( _rLeftFields.getLength() > 0 ) && ( _rLeftFields[ 0 ].getLength() > 0 ); |
| } |
| |
| //------------------------------------------------------------------------ |
| void FormLinkDialog::initializeSuggest() |
| { |
| Reference< XPropertySet > xDetailFormProps( m_xDetailForm, UNO_QUERY ); |
| Reference< XPropertySet > xMasterFormProps( m_xMasterForm, UNO_QUERY ); |
| if ( !xDetailFormProps.is() || !xMasterFormProps.is() ) |
| return; |
| |
| try |
| { |
| sal_Bool bEnable = sal_True; |
| |
| // only show the button when both forms are based on the same data source |
| if ( bEnable ) |
| { |
| ::rtl::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 = sal_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.realloc( 0 ); |
| m_aRelationMasterColumns.realloc( 0 ); |
| if ( bEnable ) |
| { |
| bEnable = getExistingRelation( xDetailTable, xMasterTable, m_aRelationDetailColumns, m_aRelationMasterColumns ); |
| OSL_POSTCOND( m_aRelationMasterColumns.getLength() == m_aRelationDetailColumns.getLength(), "FormLinkDialog::initializeSuggest: nonsense!" ); |
| if ( m_aRelationMasterColumns.getLength() == 0 ) |
| { // 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.getLength() <= 4 ); |
| } |
| |
| m_aSuggest.Enable( bEnable ); |
| } |
| catch( const Exception& ) |
| { |
| OSL_ENSURE( sal_False, "FormLinkDialog::initializeSuggest: caught an exception!" ); |
| } |
| } |
| |
| //------------------------------------------------------------------------ |
| IMPL_LINK( FormLinkDialog, OnSuggest, void*, /*_pNotInterestedIn*/ ) |
| { |
| initializeFieldRowsFrom( m_aRelationDetailColumns, m_aRelationMasterColumns ); |
| return 0L; |
| } |
| |
| //------------------------------------------------------------------------ |
| IMPL_LINK( FormLinkDialog, OnFieldChanged, FieldLinkRow*, /*_pRow*/ ) |
| { |
| updateOkButton(); |
| return 0L; |
| } |
| |
| //------------------------------------------------------------------------ |
| IMPL_LINK( FormLinkDialog, OnInitialize, void*, /*_pNotInterestedIn*/ ) |
| { |
| initializeColumnLabels(); |
| initializeFieldLists(); |
| initializeLinks(); |
| initializeSuggest(); |
| return 0L; |
| } |
| //............................................................................ |
| } // namespace pcr |
| //............................................................................ |
