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