dbaccess/source/ui/querydesign/TableWindowData.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 "TableWindowData.hxx"
  21 #include <osl/diagnose.h>
  22 #include <tools/debug.hxx>
  23 #include <com/sun/star/sdb/XQueriesSupplier.hpp>
  24 #include <com/sun/star/sdbcx/XTablesSupplier.hpp>
  25 #include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
  26 #include <com/sun/star/sdbcx/XKeysSupplier.hpp>
  27 #include <com/sun/star/container/XNameAccess.hpp>
  28 #include <com/sun/star/container/XIndexAccess.hpp>
  29
  30 using namespace dbaui;
  31 using namespace ::com::sun::star::lang;
  32 using namespace ::com::sun::star::uno;
  33 using namespace ::com::sun::star::sdb;
  34 using namespace ::com::sun::star::sdbc;
  35 using namespace ::com::sun::star::sdbcx;
  36 using namespace ::com::sun::star::beans;
  37 using namespace ::com::sun::star::container;
  38
  39 // class OTableWindowData
  40 OTableWindowData::OTableWindowData( const Reference< XPropertySet>& _xTable
  41                                    ,const OUString& _rComposedName
  42                                    ,const OUString& rTableName
  43                                    ,const OUString& rWinName )
  44     :m_xTable(_xTable)
  45     ,m_aTableName( rTableName )
  46     ,m_aWinName( rWinName )
  47     ,m_sComposedName(_rComposedName)
  48     ,m_aPosition( Point(-1,-1) )
  49     ,m_aSize( Size(-1,-1) )
  50     ,m_bShowAll( true )
  51     ,m_bIsQuery(false)
  52     ,m_bIsValid(true)
  53 {
  54     if( m_aWinName.isEmpty() )
  55         m_aWinName = m_aTableName;
  56
  57     listen();
  58 }
  59
  60 OTableWindowData::~OTableWindowData()
  61 {
  62     Reference<XComponent> xComponent( m_xTable, UNO_QUERY );
  63     if ( xComponent.is() )
  64         stopComponentListening( xComponent );
  65 }
  66
  67 bool OTableWindowData::HasPosition() const
  68 {
  69     return ( (m_aPosition.X() != -1) && (m_aPosition.Y() != -1) );
  70 }
  71
  72 bool OTableWindowData::HasSize() const
  73 {
  74     return ( (m_aSize.Width() != -1) && (m_aSize.Height() !=-1) );
  75 }
  76
  77 void OTableWindowData::_disposing( const ::com::sun::star::lang::EventObject& /*_rSource*/ )
  78 {
  79     ::osl::MutexGuard aGuard( m_aMutex );
  80     // it doesn't matter which one was disposed
  81     m_xColumns.clear();
  82     m_xKeys.clear();
  83     m_xTable.clear();
  84 }
  85
  86 bool OTableWindowData::init(const Reference< XConnection  >& _xConnection,bool _bAllowQueries)
  87 {
  88     OSL_ENSURE(!m_xTable.is(),"We are already connected to a table!");
  89
  90     ::osl::MutexGuard aGuard( m_aMutex );
  91
  92     Reference< XQueriesSupplier > xSupQueries( _xConnection, UNO_QUERY_THROW );
  93     Reference< XNameAccess > xQueries( xSupQueries->getQueries(), UNO_QUERY_THROW );
  94     bool bIsKnownQuery = _bAllowQueries && xQueries->hasByName( m_sComposedName );
  95
  96     Reference< XTablesSupplier > xSupTables( _xConnection, UNO_QUERY_THROW );
  97     Reference< XNameAccess > xTables( xSupTables->getTables(), UNO_QUERY_THROW );
  98     bool bIsKnownTable = xTables->hasByName( m_sComposedName );
  99
 100     if ( bIsKnownQuery )
 101         m_xTable.set( xQueries->getByName( m_sComposedName ), UNO_QUERY );
 102     else if ( bIsKnownTable )
 103         m_xTable.set( xTables->getByName( m_sComposedName ), UNO_QUERY );
 104     else
 105         m_bIsValid = false;
 106
 107     // if we survived so far, we know whether it's a query
 108     m_bIsQuery = bIsKnownQuery;
 109
 110     listen();
 111
 112     Reference< XIndexAccess > xColumnsAsIndex( m_xColumns,UNO_QUERY );
 113     return xColumnsAsIndex.is() && ( xColumnsAsIndex->getCount() > 0 );
 114 }
 115
 116 void OTableWindowData::listen()
 117 {
 118     if ( m_xTable.is() )
 119     {
 120         // listen for the object being disposed
 121         Reference<XComponent> xComponent( m_xTable, UNO_QUERY );
 122         if ( xComponent.is() )
 123             startComponentListening( xComponent );
 124
 125         // obtain the columns
 126         Reference< XColumnsSupplier > xColumnsSups( m_xTable, UNO_QUERY);
 127         if ( xColumnsSups.is() )
 128             m_xColumns = xColumnsSups->getColumns();
 129
 130         Reference<XKeysSupplier> xKeySup(m_xTable,UNO_QUERY);
 131         if ( xKeySup.is() )
 132             m_xKeys = xKeySup->getKeys();
 133     }
 134 }
 135
 136 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */