forms/source/component/Pattern.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "Pattern.hxx"
  21
  22 //.........................................................................
  23 namespace frm
  24 {
  25 //.........................................................................
  26
  27     using ::com::sun::star::uno::Reference;
  28     using ::com::sun::star::lang::XMultiServiceFactory;
  29     using ::com::sun::star::uno::Sequence;
  30     using ::com::sun::star::uno::Type;
  31     using ::com::sun::star::beans::Property;
  32     using ::com::sun::star::uno::Exception;
  33     using ::com::sun::star::uno::XInterface;
  34     using ::com::sun::star::uno::Any;
  35     using ::com::sun::star::uno::makeAny;
  36     using ::com::sun::star::sdbc::XRowSet;
  37     using ::com::sun::star::uno::UNO_QUERY;
  38
  39     namespace FormComponentType = ::com::sun::star::form::FormComponentType;
  40
  41 //==================================================================
  42 // OPatternControl
  43 //==================================================================
  44 //------------------------------------------------------------------
  45 OPatternControl::OPatternControl(const Reference<XMultiServiceFactory>& _rxFactory)
  46     :OBoundControl(_rxFactory, VCL_CONTROL_PATTERNFIELD)
  47 {
  48 }
  49
  50 //------------------------------------------------------------------
  51 InterfaceRef SAL_CALL OPatternControl_CreateInstance(const Reference<XMultiServiceFactory>& _rxFactory)
  52 {
  53     return *(new OPatternControl(_rxFactory));
  54 }
  55
  56 //------------------------------------------------------------------------------
  57 Sequence<Type> OPatternControl::_getTypes()
  58 {
  59     return OBoundControl::_getTypes();
  60 }
  61
  62 //------------------------------------------------------------------------------
  63 StringSequence OPatternControl::getSupportedServiceNames() throw()
  64 {
  65     StringSequence aSupported = OBoundControl::getSupportedServiceNames();
  66     aSupported.realloc(aSupported.getLength() + 1);
  67
  68     OUString*pArray = aSupported.getArray();
  69     pArray[aSupported.getLength()-1] = FRM_SUN_CONTROL_PATTERNFIELD;
  70     return aSupported;
  71 }
  72
  73 //==================================================================
  74 // OPatternModel
  75 //==================================================================
  76 //------------------------------------------------------------------
  77 InterfaceRef SAL_CALL OPatternModel_CreateInstance(const Reference<XMultiServiceFactory>& _rxFactory)
  78 {
  79     return *(new OPatternModel(_rxFactory));
  80 }
  81
  82 //------------------------------------------------------------------------------
  83 Sequence<Type> OPatternModel::_getTypes()
  84 {
  85     return OEditBaseModel::_getTypes();
  86 }
  87
  88 //------------------------------------------------------------------
  89 DBG_NAME( OPatternModel )
  90 //------------------------------------------------------------------
  91 OPatternModel::OPatternModel(const Reference<XMultiServiceFactory>& _rxFactory)
  92     :OEditBaseModel( _rxFactory, VCL_CONTROLMODEL_PATTERNFIELD, FRM_SUN_CONTROL_PATTERNFIELD, sal_False, sal_False )
  93                                     // use the old control name for compytibility reasons
  94 {
  95     DBG_CTOR( OPatternModel, NULL );
  96
  97     m_nClassId = FormComponentType::PATTERNFIELD;
  98     initValueProperty( PROPERTY_TEXT, PROPERTY_ID_TEXT );
  99 }
 100
 101 //------------------------------------------------------------------
 102 OPatternModel::OPatternModel( const OPatternModel* _pOriginal, const Reference<XMultiServiceFactory>& _rxFactory )
 103     :OEditBaseModel( _pOriginal, _rxFactory )
 104 {
 105     DBG_CTOR( OPatternModel, NULL );
 106 }
 107
 108 //------------------------------------------------------------------
 109 OPatternModel::~OPatternModel()
 110 {
 111     DBG_DTOR( OPatternModel, NULL );
 112 }
 113
 114 // XCloneable
 115 //------------------------------------------------------------------------------
 116 IMPLEMENT_DEFAULT_CLONING( OPatternModel )
 117
 118 // XServiceInfo
 119 //------------------------------------------------------------------------------
 120 StringSequence SAL_CALL OPatternModel::getSupportedServiceNames() throw()
 121 {
 122     StringSequence aSupported = OBoundControlModel::getSupportedServiceNames();
 123     aSupported.realloc(aSupported.getLength() + 2);
 124
 125     OUString*pArray = aSupported.getArray();
 126     pArray[aSupported.getLength()-2] = FRM_SUN_COMPONENT_DATABASE_PATTERNFIELD;
 127     pArray[aSupported.getLength()-1] = FRM_SUN_COMPONENT_PATTERNFIELD;
 128     return aSupported;
 129 }
 130
 131
 132 //------------------------------------------------------------------------------
 133 void OPatternModel::describeFixedProperties( Sequence< Property >& _rProps ) const
 134 {
 135     BEGIN_DESCRIBE_PROPERTIES( 4, OEditBaseModel )
 136         DECL_PROP2(DEFAULT_TEXT,    OUString,    BOUND, MAYBEDEFAULT);
 137         DECL_BOOL_PROP1(EMPTY_IS_NULL,                  BOUND);
 138         DECL_PROP1(TABINDEX,        sal_Int16,          BOUND);
 139         DECL_PROP2(FILTERPROPOSAL,  sal_Bool,           BOUND, MAYBEDEFAULT);
 140     END_DESCRIBE_PROPERTIES();
 141 }
 142
 143 //------------------------------------------------------------------------------
 144 OUString SAL_CALL OPatternModel::getServiceName() throw ( ::com::sun::star::uno::RuntimeException)
 145 {
 146     return OUString(FRM_COMPONENT_PATTERNFIELD);  // old (non-sun) name for compatibility !
 147 }
 148
 149 //------------------------------------------------------------------------------
 150 sal_Bool OPatternModel::commitControlValueToDbColumn( bool /*_bPostReset*/ )
 151 {
 152     Any aNewValue( m_xAggregateFastSet->getFastPropertyValue( getValuePropertyAggHandle() ) );
 153
 154     if ( aNewValue != m_aLastKnownValue )
 155     {
 156         OUString sNewValue;
 157         aNewValue >>= sNewValue;
 158
 159         if  (   !aNewValue.hasValue()
 160             ||  (   sNewValue.isEmpty()         // an empty string
 161                 &&  m_bEmptyIsNull              // which should be interpreted as NULL
 162                 )
 163             )
 164         {
 165             m_xColumnUpdate->updateNull();
 166         }
 167         else
 168         {
 169             OSL_ENSURE( m_pFormattedValue.get(), "OPatternModel::commitControlValueToDbColumn: no value helper!" );
 170             if ( !m_pFormattedValue.get() )
 171                 return sal_False;
 172
 173             if ( !m_pFormattedValue->setFormattedValue( sNewValue ) )
 174                 return sal_False;
 175         }
 176
 177         m_aLastKnownValue = aNewValue;
 178     }
 179
 180     return sal_True;
 181 }
 182
 183 //------------------------------------------------------------------------------
 184 void OPatternModel::onConnectedDbColumn( const Reference< XInterface >& _rxForm )
 185 {
 186     OEditBaseModel::onConnectedDbColumn( _rxForm );
 187
 188     Reference< XPropertySet > xField( getField() );
 189     if ( !xField.is() )
 190         return;
 191
 192     m_pFormattedValue.reset( new ::dbtools::FormattedColumnValue( getContext(), Reference< XRowSet >( _rxForm, UNO_QUERY ), xField ) );
 193 }
 194
 195 //------------------------------------------------------------------------------
 196 void OPatternModel::onDisconnectedDbColumn()
 197 {
 198     OEditBaseModel::onDisconnectedDbColumn();
 199     m_pFormattedValue.reset();
 200 }
 201
 202 // XPropertyChangeListener
 203 //------------------------------------------------------------------------------
 204 Any OPatternModel::translateDbColumnToControlValue()
 205 {
 206     OSL_PRECOND( m_pFormattedValue.get(), "OPatternModel::translateDbColumnToControlValue: no value helper!" );
 207
 208     if ( m_pFormattedValue.get() )
 209     {
 210         OUString sValue( m_pFormattedValue->getFormattedValue() );
 211         if  (   sValue.isEmpty()
 212             &&  m_pFormattedValue->getColumn().is()
 213             &&  m_pFormattedValue->getColumn()->wasNull()
 214             )
 215         {
 216             m_aLastKnownValue.clear();
 217         }
 218         else
 219         {
 220             m_aLastKnownValue <<= sValue;
 221         }
 222     }
 223     else
 224         m_aLastKnownValue.clear();
 225
 226     return m_aLastKnownValue.hasValue() ? m_aLastKnownValue : makeAny( OUString() );
 227         // (m_aLastKnownValue is alllowed to be VOID, the control value isn't)
 228 }
 229
 230 // XReset
 231 //------------------------------------------------------------------------------
 232 Any OPatternModel::getDefaultForReset() const
 233 {
 234     return makeAny( m_aDefaultText );
 235 }
 236
 237 //------------------------------------------------------------------------------
 238 void OPatternModel::resetNoBroadcast()
 239 {
 240     OEditBaseModel::resetNoBroadcast();
 241     m_aLastKnownValue.clear();
 242 }
 243
 244 //.........................................................................
 245 }   // namespace frm
 246 //.........................................................................
 247
 248 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */