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Diffstat (limited to 'forms/source/component/ComboBox.cxx')
| -rw-r--r-- | forms/source/component/ComboBox.cxx | 882 |
1 files changed, 882 insertions, 0 deletions
diff --git a/forms/source/component/ComboBox.cxx b/forms/source/component/ComboBox.cxx new file mode 100644 index 000000000..475ca63be --- /dev/null +++ b/forms/source/component/ComboBox.cxx @@ -0,0 +1,882 @@ +/* -*- 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 "ComboBox.hxx" +#include <property.hxx> +#include <services.hxx> + +#include <frm_resource.hxx> +#include <strings.hrc> +#include "BaseListBox.hxx" + +#include <com/sun/star/form/FormComponentType.hpp> +#include <com/sun/star/sdbc/XRowSet.hpp> +#include <com/sun/star/container/XIndexAccess.hpp> +#include <com/sun/star/sdbc/XConnection.hpp> + +#include <comphelper/basicio.hxx> +#include <comphelper/property.hxx> +#include <connectivity/dbtools.hxx> +#include <rtl/ustrbuf.hxx> +#include <tools/debug.hxx> +#include <tools/diagnose_ex.h> +#include <unotools/sharedunocomponent.hxx> + +#include <limits.h> + +using namespace dbtools; + + +namespace frm +{ +using namespace ::com::sun::star::uno; +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; +using namespace ::com::sun::star::form; +using namespace ::com::sun::star::awt; +using namespace ::com::sun::star::io; +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::util; +using namespace ::com::sun::star::form::binding; + + +Sequence<Type> OComboBoxModel::_getTypes() +{ + return ::comphelper::concatSequences( + OBoundControlModel::_getTypes(), + OEntryListHelper::getTypes(), + OErrorBroadcaster::getTypes() + ); +} + +// XServiceInfo + +css::uno::Sequence<OUString> SAL_CALL OComboBoxModel::getSupportedServiceNames() +{ + css::uno::Sequence<OUString> aSupported = OBoundControlModel::getSupportedServiceNames(); + + sal_Int32 nOldLen = aSupported.getLength(); + aSupported.realloc( nOldLen + 9 ); + OUString* pStoreTo = aSupported.getArray() + nOldLen; + + *pStoreTo++ = BINDABLE_CONTROL_MODEL; + *pStoreTo++ = DATA_AWARE_CONTROL_MODEL; + *pStoreTo++ = VALIDATABLE_CONTROL_MODEL; + + *pStoreTo++ = BINDABLE_DATA_AWARE_CONTROL_MODEL; + *pStoreTo++ = VALIDATABLE_BINDABLE_CONTROL_MODEL; + + *pStoreTo++ = FRM_SUN_COMPONENT_COMBOBOX; + *pStoreTo++ = FRM_SUN_COMPONENT_DATABASE_COMBOBOX; + *pStoreTo++ = BINDABLE_DATABASE_COMBO_BOX; + + *pStoreTo++ = FRM_COMPONENT_COMBOBOX; + + return aSupported; +} + + +Any SAL_CALL OComboBoxModel::queryAggregation(const Type& _rType) +{ + Any aReturn = OBoundControlModel::queryAggregation( _rType ); + if ( !aReturn.hasValue() ) + aReturn = OEntryListHelper::queryInterface( _rType ); + if ( !aReturn.hasValue() ) + aReturn = OErrorBroadcaster::queryInterface( _rType ); + return aReturn; +} + + +OComboBoxModel::OComboBoxModel(const Reference<XComponentContext>& _rxFactory) + :OBoundControlModel( _rxFactory, VCL_CONTROLMODEL_COMBOBOX, FRM_SUN_CONTROL_COMBOBOX, true, true, true ) + // use the old control name for compatibility reasons + ,OEntryListHelper( static_cast<OControlModel&>(*this) ) + ,OErrorBroadcaster( OComponentHelper::rBHelper ) + ,m_aListRowSet() + ,m_eListSourceType(ListSourceType_TABLE) + ,m_bEmptyIsNull(true) +{ + m_nClassId = FormComponentType::COMBOBOX; + initValueProperty( PROPERTY_TEXT, PROPERTY_ID_TEXT ); +} + + +OComboBoxModel::OComboBoxModel( const OComboBoxModel* _pOriginal, const Reference<XComponentContext>& _rxFactory ) + :OBoundControlModel( _pOriginal, _rxFactory ) + ,OEntryListHelper( *_pOriginal, static_cast<OControlModel&>(*this) ) + ,OErrorBroadcaster( OComponentHelper::rBHelper ) + ,m_aListRowSet() + ,m_aListSource( _pOriginal->m_aListSource ) + ,m_aDefaultText( _pOriginal->m_aDefaultText ) + ,m_eListSourceType( _pOriginal->m_eListSourceType ) + ,m_bEmptyIsNull( _pOriginal->m_bEmptyIsNull ) +{ +} + + +OComboBoxModel::~OComboBoxModel() +{ + if (!OComponentHelper::rBHelper.bDisposed) + { + acquire(); + dispose(); + } + +} + +// XCloneable + +IMPLEMENT_DEFAULT_CLONING( OComboBoxModel ) + + +void OComboBoxModel::disposing() +{ + OBoundControlModel::disposing(); + OEntryListHelper::disposing(); + OErrorBroadcaster::disposing(); +} + + +void OComboBoxModel::getFastPropertyValue(Any& _rValue, sal_Int32 _nHandle) const +{ + switch (_nHandle) + { + case PROPERTY_ID_LISTSOURCETYPE: + _rValue <<= m_eListSourceType; + break; + + case PROPERTY_ID_LISTSOURCE: + _rValue <<= m_aListSource; + break; + + case PROPERTY_ID_EMPTY_IS_NULL: + _rValue <<= m_bEmptyIsNull; + break; + + case PROPERTY_ID_DEFAULT_TEXT: + _rValue <<= m_aDefaultText; + break; + + case PROPERTY_ID_STRINGITEMLIST: + _rValue <<= comphelper::containerToSequence(getStringItemList()); + break; + + case PROPERTY_ID_TYPEDITEMLIST: + _rValue <<= getTypedItemList(); + break; + + default: + OBoundControlModel::getFastPropertyValue(_rValue, _nHandle); + } +} + + +void OComboBoxModel::setFastPropertyValue_NoBroadcast(sal_Int32 _nHandle, const Any& _rValue) +{ + switch (_nHandle) + { + case PROPERTY_ID_LISTSOURCETYPE : + DBG_ASSERT(_rValue.getValueType().equals(::cppu::UnoType<ListSourceType>::get()), + "OComboBoxModel::setFastPropertyValue_NoBroadcast : invalid type !" ); + _rValue >>= m_eListSourceType; + break; + + case PROPERTY_ID_LISTSOURCE : + DBG_ASSERT(_rValue.getValueType().getTypeClass() == TypeClass_STRING, + "OComboBoxModel::setFastPropertyValue_NoBroadcast : invalid type !" ); + _rValue >>= m_aListSource; + // The ListSource has changed -> reload + if (ListSourceType_VALUELIST != m_eListSourceType) + { + if ( m_xCursor.is() && !hasField() && !hasExternalListSource() ) + // combo box is already connected to a database, and no external list source + // data source changed -> refresh + loadData( false ); + } + break; + + case PROPERTY_ID_EMPTY_IS_NULL : + DBG_ASSERT(_rValue.getValueType().getTypeClass() == TypeClass_BOOLEAN, + "OComboBoxModel::setFastPropertyValue_NoBroadcast : invalid type !" ); + _rValue >>= m_bEmptyIsNull; + break; + + case PROPERTY_ID_DEFAULT_TEXT : + DBG_ASSERT(_rValue.getValueType().getTypeClass() == TypeClass_STRING, + "OComboBoxModel::setFastPropertyValue_NoBroadcast : invalid type !" ); + _rValue >>= m_aDefaultText; + resetNoBroadcast(); + break; + + case PROPERTY_ID_STRINGITEMLIST: + { + ControlModelLock aLock( *this ); + setNewStringItemList( _rValue, aLock ); + // FIXME: this is bogus. setNewStringItemList expects a guard which has the *only* + // lock to the mutex, but setFastPropertyValue_NoBroadcast is already called with + // a lock - so we effectively has two locks here, of which setNewStringItemList can + // only control one. + } + break; + + case PROPERTY_ID_TYPEDITEMLIST: + { + ControlModelLock aLock( *this ); + setNewTypedItemList( _rValue, aLock ); + // Same FIXME as above. + } + break; + + default: + OBoundControlModel::setFastPropertyValue_NoBroadcast(_nHandle, _rValue); + } +} + +sal_Bool OComboBoxModel::convertFastPropertyValue( + Any& _rConvertedValue, Any& _rOldValue, sal_Int32 _nHandle, const Any& _rValue) +{ + bool bModified(false); + switch (_nHandle) + { + case PROPERTY_ID_LISTSOURCETYPE : + bModified = tryPropertyValueEnum(_rConvertedValue, _rOldValue, _rValue, m_eListSourceType); + break; + + case PROPERTY_ID_LISTSOURCE : + bModified = tryPropertyValue(_rConvertedValue, _rOldValue, _rValue, m_aListSource); + break; + + case PROPERTY_ID_EMPTY_IS_NULL : + bModified = tryPropertyValue(_rConvertedValue, _rOldValue, _rValue, m_bEmptyIsNull); + break; + + case PROPERTY_ID_DEFAULT_TEXT : + bModified = tryPropertyValue(_rConvertedValue, _rOldValue, _rValue, m_aDefaultText); + break; + + case PROPERTY_ID_STRINGITEMLIST: + bModified = convertNewListSourceProperty( _rConvertedValue, _rOldValue, _rValue ); + break; + + case PROPERTY_ID_TYPEDITEMLIST : + if (hasExternalListSource()) + throw IllegalArgumentException(); + bModified = tryPropertyValue( _rConvertedValue, _rOldValue, _rValue, getTypedItemList()); + break; + + default: + bModified = OBoundControlModel::convertFastPropertyValue(_rConvertedValue, _rOldValue, _nHandle, _rValue); + break; + } + return bModified; +} + +void OComboBoxModel::describeFixedProperties( Sequence< Property >& _rProps ) const +{ + BEGIN_DESCRIBE_PROPERTIES( 7, OBoundControlModel ) + DECL_PROP1(TABINDEX, sal_Int16, BOUND); + DECL_PROP1(LISTSOURCETYPE, ListSourceType, BOUND); + DECL_PROP1(LISTSOURCE, OUString, BOUND); + DECL_BOOL_PROP1(EMPTY_IS_NULL, BOUND); + DECL_PROP1(DEFAULT_TEXT, OUString, BOUND); + DECL_PROP1(STRINGITEMLIST, Sequence< OUString >,BOUND); + DECL_PROP1(TYPEDITEMLIST, Sequence< Any >, OPTIONAL); + END_DESCRIBE_PROPERTIES(); +} + + +void OComboBoxModel::describeAggregateProperties( Sequence< Property >& _rAggregateProps ) const +{ + OBoundControlModel::describeAggregateProperties( _rAggregateProps ); + + // superseded properties: + RemoveProperty( _rAggregateProps, PROPERTY_STRINGITEMLIST ); + RemoveProperty( _rAggregateProps, PROPERTY_TYPEDITEMLIST ); +} + + +OUString SAL_CALL OComboBoxModel::getServiceName() +{ + return FRM_COMPONENT_COMBOBOX; // old (non-sun) name for compatibility ! +} + + +void SAL_CALL OComboBoxModel::write(const Reference<css::io::XObjectOutputStream>& _rxOutStream) +{ + OBoundControlModel::write(_rxOutStream); + + // Version + // Version 0x0002: EmptyIsNull + // Version 0x0003: ListSource->Seq + // Version 0x0004: DefaultText + // Version 0x0005: HelpText + _rxOutStream->writeShort(0x0006); + + // Mask for Any + sal_uInt16 nAnyMask = 0; + if (m_aBoundColumn.getValueType().getTypeClass() == TypeClass_SHORT) + nAnyMask |= BOUNDCOLUMN; + _rxOutStream << nAnyMask; + + css::uno::Sequence<OUString> aListSourceSeq(&m_aListSource, 1); + _rxOutStream << aListSourceSeq; + _rxOutStream << static_cast<sal_Int16>(m_eListSourceType); + + if ((nAnyMask & BOUNDCOLUMN) == BOUNDCOLUMN) + { + sal_Int16 nBoundColumn = 0; + m_aBoundColumn >>= nBoundColumn; + _rxOutStream << nBoundColumn; + } + + _rxOutStream << m_bEmptyIsNull; + _rxOutStream << m_aDefaultText; + writeHelpTextCompatibly(_rxOutStream); + + // from version 0x0006 : common properties + writeCommonProperties(_rxOutStream); +} + + +void SAL_CALL OComboBoxModel::read(const Reference<css::io::XObjectInputStream>& _rxInStream) +{ + OBoundControlModel::read(_rxInStream); + ControlModelLock aLock( *this ); + + // since we are "overwriting" the StringItemList of our aggregate (means we have + // an own place to store the value, instead of relying on our aggregate storing it), + // we need to respect what the aggregate just read for the StringItemList property. + try + { + if ( m_xAggregateSet.is() ) + setNewStringItemList( m_xAggregateSet->getPropertyValue( PROPERTY_STRINGITEMLIST ), aLock ); + } + catch( const Exception& ) + { + OSL_FAIL( "OComboBoxModel::read: caught an exception while examining the aggregate's string item list!" ); + } + + // Version + sal_uInt16 nVersion = _rxInStream->readShort(); + DBG_ASSERT(nVersion > 0, "OComboBoxModel::read : version 0 ? this should never have been written !"); + + if (nVersion > 0x0006) + { + OSL_FAIL("OComboBoxModel::read : invalid (means unknown) version !"); + m_aListSource.clear(); + m_aBoundColumn <<= sal_Int16(0); + m_aDefaultText.clear(); + m_eListSourceType = ListSourceType_TABLE; + m_bEmptyIsNull = true; + defaultCommonProperties(); + return; + } + + // Mask for Any + sal_uInt16 nAnyMask; + _rxInStream >> nAnyMask; + + // ListSource + if (nVersion < 0x0003) + { + _rxInStream >> m_aListSource; + } + else // nVersion == 4 + { + m_aListSource.clear(); + css::uno::Sequence<OUString> aListSource; + _rxInStream >> aListSource; + for (const OUString& rToken : std::as_const(aListSource)) + m_aListSource += rToken; + } + + sal_Int16 nListSourceType; + _rxInStream >> nListSourceType; + m_eListSourceType = static_cast<ListSourceType>(nListSourceType); + + if ((nAnyMask & BOUNDCOLUMN) == BOUNDCOLUMN) + { + sal_Int16 nValue; + _rxInStream >> nValue; + m_aBoundColumn <<= nValue; + } + + if (nVersion > 0x0001) + { + bool bNull; + _rxInStream >> bNull; + m_bEmptyIsNull = bNull; + } + + if (nVersion > 0x0003) // nVersion == 4 + _rxInStream >> m_aDefaultText; + + // StringList must be emptied if a ListSource is set. + // This can be the case if we save in alive mode. + if ( !m_aListSource.isEmpty() + && !hasExternalListSource() + ) + { + setFastPropertyValue( PROPERTY_ID_STRINGITEMLIST, makeAny( css::uno::Sequence<OUString>() ) ); + setFastPropertyValue( PROPERTY_ID_TYPEDITEMLIST, makeAny( css::uno::Sequence<css::uno::Any>() ) ); + } + + if (nVersion > 0x0004) + readHelpTextCompatibly(_rxInStream); + + if (nVersion > 0x0005) + readCommonProperties(_rxInStream); + + // After reading in, display the default values + if ( !getControlSource().isEmpty() ) + { + // (not if we don't have a control source - the "State" property acts like it is persistent, then + resetNoBroadcast(); + } +} + + +void OComboBoxModel::loadData( bool _bForce ) +{ + DBG_ASSERT(m_eListSourceType != ListSourceType_VALUELIST, "OComboBoxModel::loadData : do not call for a value list !"); + DBG_ASSERT( !hasExternalListSource(), "OComboBoxModel::loadData: cannot load from DB when I have an external list source!" ); + + if ( hasExternalListSource() ) + return; + + // Get Connection + if (!m_xCursor.is()) + return; + Reference<XConnection> xConnection = getConnection(m_xCursor); + if (!xConnection.is()) + return; + + Reference<XServiceInfo> xServiceInfo(xConnection, UNO_QUERY); + if (!xServiceInfo.is() || !xServiceInfo->supportsService(SRV_SDB_CONNECTION)) + { + OSL_FAIL("OComboBoxModel::loadData : invalid connection !"); + return; + } + + if (m_aListSource.isEmpty() || m_eListSourceType == ListSourceType_VALUELIST) + return; + + ::utl::SharedUNOComponent< XResultSet > xListCursor; + try + { + m_aListRowSet.setConnection( xConnection ); + + bool bExecuteRowSet( false ); + switch (m_eListSourceType) + { + case ListSourceType_TABLEFIELDS: + // don't work with a statement here, the fields will be collected below + break; + case ListSourceType_TABLE: + { + // does the bound field belong to the table ? + // if we use an alias for the bound field, we won't find it + // in that case we use the first field of the table + + Reference<XNameAccess> xFieldsByName = getTableFields(xConnection, m_aListSource); + + OUString aFieldName; + if ( xFieldsByName.is() && xFieldsByName->hasByName( getControlSource() ) ) + { + aFieldName = getControlSource(); + } + else + { + // otherwise look for the alias + Reference<XPropertySet> xFormProp(m_xCursor,UNO_QUERY); + Reference< XColumnsSupplier > xSupplyFields; + xFormProp->getPropertyValue("SingleSelectQueryComposer") >>= xSupplyFields; + + // search the field + DBG_ASSERT(xSupplyFields.is(), "OComboBoxModel::loadData : invalid query composer !"); + + Reference< XNameAccess > xFieldNames = xSupplyFields->getColumns(); + if ( xFieldNames->hasByName( getControlSource() ) ) + { + Reference< XPropertySet > xComposerFieldAsSet; + xFieldNames->getByName( getControlSource() ) >>= xComposerFieldAsSet; + if (hasProperty(PROPERTY_FIELDSOURCE, xComposerFieldAsSet)) + xComposerFieldAsSet->getPropertyValue(PROPERTY_FIELDSOURCE) >>= aFieldName; + } + } + + if (aFieldName.isEmpty()) + break; + + Reference<XDatabaseMetaData> xMeta = xConnection->getMetaData(); + OSL_ENSURE(xMeta.is(),"No database meta data!"); + if ( xMeta.is() ) + { + OUString aQuote = xMeta->getIdentifierQuoteString(); + + OUString sCatalog, sSchema, sTable; + qualifiedNameComponents( xMeta, m_aListSource, sCatalog, sSchema, sTable, EComposeRule::InDataManipulation ); + + OUStringBuffer aStatement; + aStatement.append( "SELECT DISTINCT " ); + aStatement.append ( quoteName( aQuote, aFieldName ) ); + aStatement.append( " FROM " ); + aStatement.append ( composeTableNameForSelect( xConnection, sCatalog, sSchema, sTable ) ); + + m_aListRowSet.setEscapeProcessing( false ); + m_aListRowSet.setCommand( aStatement.makeStringAndClear() ); + bExecuteRowSet = true; + } + } break; + case ListSourceType_QUERY: + { + m_aListRowSet.setCommandFromQuery( m_aListSource ); + bExecuteRowSet = true; + } + break; + + default: + { + m_aListRowSet.setEscapeProcessing( ListSourceType_SQLPASSTHROUGH != m_eListSourceType ); + m_aListRowSet.setCommand( m_aListSource ); + bExecuteRowSet = true; + } + } + + if ( bExecuteRowSet ) + { + if ( !_bForce && !m_aListRowSet.isDirty() ) + { + // if none of the settings of the row set changed, compared to the last + // invocation of loadData, then don't re-fill the list. Instead, assume + // the list entries are the same. + return; + } + xListCursor.reset( m_aListRowSet.execute() ); + } + } + catch(const SQLException& eSQL) + { + onError(eSQL, FRM_RES_STRING(RID_BASELISTBOX_ERROR_FILLLIST)); + return; + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("forms.component"); + return; + } + + ::std::vector< OUString > aStringList; + aStringList.reserve(16); + try + { + OSL_ENSURE( xListCursor.is() || ( ListSourceType_TABLEFIELDS == m_eListSourceType ), + "OComboBoxModel::loadData: logic error!" ); + if ( !xListCursor.is() && ( ListSourceType_TABLEFIELDS != m_eListSourceType ) ) + return; + + switch (m_eListSourceType) + { + case ListSourceType_SQL: + case ListSourceType_SQLPASSTHROUGH: + case ListSourceType_TABLE: + case ListSourceType_QUERY: + { + // The XDatabaseVariant of the first column + Reference<XColumnsSupplier> xSupplyCols(xListCursor, UNO_QUERY); + DBG_ASSERT(xSupplyCols.is(), "OComboBoxModel::loadData : cursor supports the row set service but is no column supplier?!"); + Reference<XIndexAccess> xColumns; + if (xSupplyCols.is()) + { + xColumns.set(xSupplyCols->getColumns(), UNO_QUERY); + DBG_ASSERT(xColumns.is(), "OComboBoxModel::loadData : no columns supplied by the row set !"); + } + Reference< XPropertySet > xDataField; + if ( xColumns.is() ) + xColumns->getByIndex(0) >>= xDataField; + if ( !xDataField.is() ) + return; + + ::dbtools::FormattedColumnValue aValueFormatter( getContext(), m_xCursor, xDataField ); + + // Fill Lists + sal_Int16 i = 0; + // At the moment by definition the list cursor is positioned _before_ the first row + while (xListCursor->next() && (i++<SHRT_MAX)) // Set max. count + { + aStringList.push_back( aValueFormatter.getFormattedValue() ); + } + } + break; + case ListSourceType_TABLEFIELDS: + { + Reference<XNameAccess> xFieldNames = getTableFields(xConnection, m_aListSource); + if (xFieldNames.is()) + { + const Sequence<OUString> aFieldNames = xFieldNames->getElementNames(); + for (const OUString& rustrNames : aFieldNames) + aStringList.push_back(rustrNames); + } + } + break; + default: + OSL_FAIL( "OComboBoxModel::loadData: unreachable!" ); + break; + } + } + catch(const SQLException& eSQL) + { + onError(eSQL, FRM_RES_STRING(RID_BASELISTBOX_ERROR_FILLLIST)); + return; + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("forms.component"); + return; + } + + // Set String-Sequence at ListBox + setFastPropertyValue( PROPERTY_ID_STRINGITEMLIST, makeAny( comphelper::containerToSequence(aStringList) ) ); + // Reset TypedItemList, no matching data. + setFastPropertyValue( PROPERTY_ID_TYPEDITEMLIST, makeAny( css::uno::Sequence<css::uno::Any>() ) ); +} + + +void OComboBoxModel::onConnectedDbColumn( const Reference< XInterface >& _rxForm ) +{ + Reference<XPropertySet> xField = getField(); + if ( xField.is() ) + m_pValueFormatter.reset( new ::dbtools::FormattedColumnValue( getContext(), Reference< XRowSet >( _rxForm, UNO_QUERY ), xField ) ); + getPropertyValue( PROPERTY_STRINGITEMLIST ) >>= m_aDesignModeStringItems; + + // Only load data if a ListSource was supplied + if ( !m_aListSource.isEmpty() && m_xCursor.is() && !hasExternalListSource() ) + loadData( false ); +} + + +void OComboBoxModel::onDisconnectedDbColumn() +{ + m_pValueFormatter.reset(); + + // reset the string item list + if ( !hasExternalListSource() ) + setFastPropertyValue( PROPERTY_ID_STRINGITEMLIST, makeAny( m_aDesignModeStringItems ) ); + + m_aListRowSet.dispose(); +} + + +void SAL_CALL OComboBoxModel::reloaded( const EventObject& aEvent ) +{ + OBoundControlModel::reloaded(aEvent); + + // reload data if we have a list source + if ( !m_aListSource.isEmpty() && m_xCursor.is() && !hasExternalListSource() ) + loadData( false ); +} + + +void OComboBoxModel::resetNoBroadcast() +{ + OBoundControlModel::resetNoBroadcast(); + m_aLastKnownValue.clear(); +} + + +bool OComboBoxModel::commitControlValueToDbColumn( bool _bPostReset ) +{ + Any aNewValue( m_xAggregateFastSet->getFastPropertyValue( getValuePropertyAggHandle() ) ); + + OUString sNewValue; + aNewValue >>= sNewValue; + + bool bModified = ( aNewValue != m_aLastKnownValue ); + if ( bModified ) + { + if ( !aNewValue.hasValue() + || ( sNewValue.isEmpty() // an empty string + && m_bEmptyIsNull // which should be interpreted as NULL + ) + ) + { + m_xColumnUpdate->updateNull(); + } + else + { + try + { + OSL_PRECOND(m_pValueFormatter, + "OComboBoxModel::commitControlValueToDbColumn: no value formatter!"); + if (m_pValueFormatter) + { + if ( !m_pValueFormatter->setFormattedValue( sNewValue ) ) + return false; + } + else + m_xColumnUpdate->updateString( sNewValue ); + } + catch ( const Exception& ) + { + return false; + } + } + + m_aLastKnownValue = aNewValue; + } + + // add the new value to the list + bool bAddToList = bModified && !_bPostReset; + // (only if this is not the "commit" triggered by a "reset") + + if ( bAddToList ) + { + css::uno::Sequence<OUString> aStringItemList; + if ( getPropertyValue( PROPERTY_STRINGITEMLIST ) >>= aStringItemList ) + { + bool bFound = false; + for (const OUString& rStringItem : std::as_const(aStringItemList)) + { + if ( (bFound = rStringItem == sNewValue) ) + break; + } + + // not found -> add + if (!bFound) + { + sal_Int32 nOldLen = aStringItemList.getLength(); + aStringItemList.realloc( nOldLen + 1 ); + aStringItemList[ nOldLen ] = sNewValue; + + setFastPropertyValue( PROPERTY_ID_STRINGITEMLIST, makeAny( aStringItemList ) ); + setFastPropertyValue( PROPERTY_ID_TYPEDITEMLIST, makeAny( css::uno::Sequence<css::uno::Any>() ) ); + } + } + } + + return true; +} + +// XPropertiesChangeListener + +Any OComboBoxModel::translateDbColumnToControlValue() +{ + OSL_PRECOND(m_pValueFormatter, + "OComboBoxModel::translateDbColumnToControlValue: no value formatter!"); + if (m_pValueFormatter) + { + OUString sValue( m_pValueFormatter->getFormattedValue() ); + if ( sValue.isEmpty() + && m_pValueFormatter->getColumn().is() + && m_pValueFormatter->getColumn()->wasNull() + ) + { + m_aLastKnownValue.clear(); + } + else + { + + m_aLastKnownValue <<= sValue; + } + } + else + m_aLastKnownValue.clear(); + + return m_aLastKnownValue.hasValue() ? m_aLastKnownValue : makeAny( OUString() ); + // (m_aLastKnownValue is allowed to be VOID, the control value isn't) +} + + +Any OComboBoxModel::getDefaultForReset() const +{ + return makeAny( m_aDefaultText ); +} + + +void OComboBoxModel::stringItemListChanged( ControlModelLock& /*_rInstanceLock*/ ) +{ + if ( m_xAggregateSet.is() ) + { + m_xAggregateSet->setPropertyValue( PROPERTY_STRINGITEMLIST, makeAny( comphelper::containerToSequence(getStringItemList()) ) ); + m_xAggregateSet->setPropertyValue( PROPERTY_TYPEDITEMLIST, makeAny( getTypedItemList()) ) ; + } +} + + +void OComboBoxModel::refreshInternalEntryList() +{ + DBG_ASSERT( !hasExternalListSource(), "OComboBoxModel::refreshInternalEntryList: invalid call!" ); + + if ( !hasExternalListSource( ) + && ( m_eListSourceType != ListSourceType_VALUELIST ) + && ( m_xCursor.is() ) + ) + { + loadData( true ); + } +} + + +void SAL_CALL OComboBoxModel::disposing( const EventObject& _rSource ) +{ + if ( !OEntryListHelper::handleDisposing( _rSource ) ) + OBoundControlModel::disposing( _rSource ); +} + + +//= OComboBoxControl + +OComboBoxControl::OComboBoxControl(const Reference<XComponentContext>& _rxContext) + :OBoundControl(_rxContext, VCL_CONTROL_COMBOBOX) +{ +} + + +css::uno::Sequence<OUString> SAL_CALL OComboBoxControl::getSupportedServiceNames() +{ + css::uno::Sequence<OUString> aSupported = OBoundControl::getSupportedServiceNames(); + aSupported.realloc(aSupported.getLength() + 2); + + OUString* pArray = aSupported.getArray(); + pArray[aSupported.getLength()-2] = FRM_SUN_CONTROL_COMBOBOX; + pArray[aSupported.getLength()-1] = STARDIV_ONE_FORM_CONTROL_COMBOBOX; + return aSupported; +} + +} + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* +com_sun_star_form_OComboBoxModel_get_implementation(css::uno::XComponentContext* component, + css::uno::Sequence<css::uno::Any> const &) +{ + return cppu::acquire(new frm::OComboBoxModel(component)); +} + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* +com_sun_star_form_OComboBoxControl_get_implementation(css::uno::XComponentContext* component, + css::uno::Sequence<css::uno::Any> const &) +{ + return cppu::acquire(new frm::OComboBoxControl(component)); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |