dbaccess/source/ui/misc/imageprovider.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 "imageprovider.hxx"
  21 #include "dbu_resource.hrc"
  22 #include "moduledbu.hxx"
  23 #include "dbustrings.hrc"
  24
  25 #include <com/sun/star/beans/XPropertySet.hpp>
  26 #include <com/sun/star/graphic/XGraphic.hpp>
  27 #include <com/sun/star/graphic/GraphicColorMode.hpp>
  28 #include <com/sun/star/sdb/application/XTableUIProvider.hpp>
  29 #include <com/sun/star/sdbcx/XViewsSupplier.hpp>
  30
  31 #include <tools/diagnose_ex.h>
  32
  33 namespace dbaui
  34 {
  35
  36     using ::com::sun::star::uno::Reference;
  37     using ::com::sun::star::sdbc::XConnection;
  38     using ::com::sun::star::uno::Exception;
  39     using ::com::sun::star::uno::UNO_QUERY_THROW;
  40     using ::com::sun::star::container::XNameAccess;
  41     using ::com::sun::star::beans::XPropertySet;
  42     using ::com::sun::star::graphic::XGraphic;
  43     using ::com::sun::star::sdb::application::XTableUIProvider;
  44     using ::com::sun::star::uno::UNO_QUERY;
  45     using ::com::sun::star::sdbcx::XViewsSupplier;
  46     using ::com::sun::star::uno::UNO_SET_THROW;
  47
  48     namespace GraphicColorMode = css::graphic::GraphicColorMode;
  49     namespace DatabaseObject = css::sdb::application::DatabaseObject;
  50
  51     // ImageProvider_Data
  52     struct ImageProvider_Data
  53     {
  54         /// the connection we work with
  55         Reference< XConnection >        xConnection;
  56         /// the views of the connection, if the DB supports views
  57         Reference< XNameAccess >        xViews;
  58         /// interface for providing table's UI
  59         Reference< XTableUIProvider >   xTableUI;
  60     };
  61
  62     namespace
  63     {
  64         static void lcl_getConnectionProvidedTableIcon_nothrow(  const ImageProvider_Data& _rData,
  65             const OUString& _rName, Reference< XGraphic >& _out_rxGraphic )
  66         {
  67             try
  68             {
  69                 if ( _rData.xTableUI.is() )
  70                     _out_rxGraphic = _rData.xTableUI->getTableIcon( _rName, GraphicColorMode::NORMAL );
  71             }
  72             catch( const Exception& )
  73             {
  74                 DBG_UNHANDLED_EXCEPTION();
  75             }
  76         }
  77
  78         static void lcl_getTableImageResourceID_nothrow( const ImageProvider_Data& _rData, const OUString& _rName,
  79             sal_uInt16& _out_rResourceID)
  80         {
  81             _out_rResourceID = 0;
  82             try
  83             {
  84                 bool bIsView = _rData.xViews.is() && _rData.xViews->hasByName( _rName );
  85                 if ( bIsView )
  86                 {
  87                     _out_rResourceID = VIEW_TREE_ICON;
  88                 }
  89                 else
  90                 {
  91                     _out_rResourceID = TABLE_TREE_ICON;
  92                 }
  93             }
  94             catch( const Exception& )
  95             {
  96                 DBG_UNHANDLED_EXCEPTION();
  97             }
  98         }
  99     }
 100     // ImageProvider
 101     ImageProvider::ImageProvider()
 102         :m_pData( new ImageProvider_Data )
 103     {
 104     }
 105
 106     ImageProvider::ImageProvider( const Reference< XConnection >& _rxConnection )
 107         :m_pData( new ImageProvider_Data )
 108     {
 109         m_pData->xConnection = _rxConnection;
 110         try
 111         {
 112             Reference< XViewsSupplier > xSuppViews( m_pData->xConnection, UNO_QUERY );
 113             if ( xSuppViews.is() )
 114                 m_pData->xViews.set( xSuppViews->getViews(), UNO_SET_THROW );
 115
 116             m_pData->xTableUI.set( _rxConnection, UNO_QUERY );
 117         }
 118         catch( const Exception& )
 119         {
 120             DBG_UNHANDLED_EXCEPTION();
 121         }
 122     }
 123
 124     void ImageProvider::getImages( const OUString& _rName, const sal_Int32 _nDatabaseObjectType, Image& _out_rImage )
 125     {
 126         if ( _nDatabaseObjectType != DatabaseObject::TABLE )
 127         {
 128             // for types other than tables, the icon does not depend on the concrete object
 129             _out_rImage = getDefaultImage( _nDatabaseObjectType );
 130         }
 131         else
 132         {
 133             // check whether the connection can give us an icon
 134             Reference< XGraphic > xGraphic;
 135             lcl_getConnectionProvidedTableIcon_nothrow( *m_pData, _rName, xGraphic );
 136             if ( xGraphic.is() )
 137                 _out_rImage = Image( xGraphic );
 138
 139             if ( !_out_rImage )
 140             {
 141                 // no -> determine by type
 142                 sal_uInt16 nImageResourceID = 0;
 143                 lcl_getTableImageResourceID_nothrow( *m_pData, _rName, nImageResourceID );
 144
 145                 if ( nImageResourceID && !_out_rImage )
 146                     _out_rImage = Image( ModuleRes( nImageResourceID ) );
 147             }
 148         }
 149     }
 150
 151     Image ImageProvider::getDefaultImage( sal_Int32 _nDatabaseObjectType )
 152     {
 153         Image aObjectImage;
 154         sal_uInt16 nImageResourceID( getDefaultImageResourceID( _nDatabaseObjectType) );
 155         if ( nImageResourceID )
 156             aObjectImage = Image( ModuleRes( nImageResourceID ) );
 157         return aObjectImage;
 158     }
 159
 160     sal_uInt16 ImageProvider::getDefaultImageResourceID( sal_Int32 _nDatabaseObjectType)
 161     {
 162         sal_uInt16 nImageResourceID( 0 );
 163         switch ( _nDatabaseObjectType )
 164         {
 165         case DatabaseObject::QUERY:
 166             nImageResourceID = QUERY_TREE_ICON;
 167             break;
 168         case DatabaseObject::FORM:
 169             nImageResourceID = FORM_TREE_ICON;
 170             break;
 171         case DatabaseObject::REPORT:
 172             nImageResourceID = REPORT_TREE_ICON;
 173             break;
 174         case DatabaseObject::TABLE:
 175             nImageResourceID = TABLE_TREE_ICON;
 176             break;
 177         default:
 178             OSL_FAIL( "ImageProvider::getDefaultImage: invalid database object type!" );
 179             break;
 180         }
 181         return nImageResourceID;
 182     }
 183
 184     Image ImageProvider::getFolderImage( sal_Int32 _nDatabaseObjectType )
 185     {
 186         sal_uInt16 nImageResourceID( 0 );
 187         switch ( _nDatabaseObjectType )
 188         {
 189         case DatabaseObject::QUERY:
 190             nImageResourceID = QUERYFOLDER_TREE_ICON;
 191             break;
 192         case DatabaseObject::FORM:
 193             nImageResourceID = FORMFOLDER_TREE_ICON;
 194             break;
 195         case DatabaseObject::REPORT:
 196             nImageResourceID = REPORTFOLDER_TREE_ICON;
 197             break;
 198         case DatabaseObject::TABLE:
 199             nImageResourceID = TABLEFOLDER_TREE_ICON;
 200             break;
 201         default:
 202             OSL_FAIL( "ImageProvider::getDefaultImage: invalid database object type!" );
 203             break;
 204         }
 205
 206         Image aFolderImage;
 207         if ( nImageResourceID )
 208             aFolderImage = Image( ModuleRes( nImageResourceID ) );
 209         return aFolderImage;
 210     }
 211
 212     Image ImageProvider::getDatabaseImage()
 213     {
 214         return Image( ModuleRes( DATABASE_TREE_ICON ) );
 215     }
 216
 217 } // namespace dbaui
 218
 219 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */