toolkit/source/controls/unogridcolumnfacade.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 "unogridcolumnfacade.hxx"
  21 #include "unocontroltablemodel.hxx"
  22
  23 #include <com/sun/star/awt/grid/XGridColumn.hpp>
  24 #include <com/sun/star/awt/grid/XGridColumnListener.hpp>
  25
  26 #include <tools/debug.hxx>
  27 #include <comphelper/diagnose_ex.hxx>
  28 #include <vcl/svapp.hxx>
  29 #include <cppuhelper/implbase.hxx>
  30
  31
  32 namespace svt::table
  33 {
  34
  35
  36     using css::uno::Reference;
  37     using css::awt::grid::XGridColumn;
  38     using css::uno::Exception;
  39     using css::awt::grid::XGridColumnListener;
  40     using css::lang::EventObject;
  41     using css::awt::grid::GridColumnEvent;
  42     using css::style::HorizontalAlignment_LEFT;
  43     using css::style::HorizontalAlignment;
  44
  45
  46     namespace
  47     {
  48         template< class T1, class T2 >
  49         void lcl_set( Reference< XGridColumn > const & i_column, void ( SAL_CALL XGridColumn::*i_setter )( T1 ),
  50             T2 i_value )
  51         {
  52             try
  53             {
  54                 (i_column.get()->*i_setter) ( i_value );
  55             }
  56             catch( const Exception& )
  57             {
  58                 DBG_UNHANDLED_EXCEPTION("svtools.uno");
  59             }
  60         }
  61
  62         template< class ATTRIBUTE_TYPE >
  63         ATTRIBUTE_TYPE lcl_get( Reference< XGridColumn > const & i_column, ATTRIBUTE_TYPE ( SAL_CALL XGridColumn::*i_getter )() )
  64         {
  65             ATTRIBUTE_TYPE value = ATTRIBUTE_TYPE();
  66             try
  67             {
  68                 value = (i_column.get()->*i_getter)();
  69             }
  70             catch( const Exception& )
  71             {
  72                 DBG_UNHANDLED_EXCEPTION("svtools.uno");
  73             }
  74             return value;
  75         }
  76     }
  77
  78
  79     //= ColumnChangeMultiplexer
  80
  81     typedef ::cppu::WeakImplHelper <   XGridColumnListener
  82                                     >   ColumnChangeMultiplexer_Base;
  83     class ColumnChangeMultiplexer   :public ColumnChangeMultiplexer_Base
  84     {
  85     public:
  86         explicit ColumnChangeMultiplexer( UnoGridColumnFacade& i_colImpl );
  87         ColumnChangeMultiplexer(const ColumnChangeMultiplexer&) = delete;
  88         ColumnChangeMultiplexer& operator=(const ColumnChangeMultiplexer&) = delete;
  89
  90         void dispose();
  91
  92     protected:
  93         virtual ~ColumnChangeMultiplexer() override;
  94
  95         // XGridColumnListener
  96         virtual void SAL_CALL columnChanged( const GridColumnEvent& i_event ) override;
  97
  98         // XEventListener
  99         virtual void SAL_CALL disposing( const EventObject& i_event ) override;
 100
 101     private:
 102         UnoGridColumnFacade* m_pColumnImplementation;
 103     };
 104
 105
 106     ColumnChangeMultiplexer::ColumnChangeMultiplexer( UnoGridColumnFacade& i_colImpl )
 107         :m_pColumnImplementation( &i_colImpl )
 108     {
 109     }
 110
 111
 112     ColumnChangeMultiplexer::~ColumnChangeMultiplexer()
 113     {
 114     }
 115
 116
 117     void ColumnChangeMultiplexer::dispose()
 118     {
 119         DBG_TESTSOLARMUTEX();
 120         m_pColumnImplementation = nullptr;
 121     }
 122
 123
 124     void SAL_CALL ColumnChangeMultiplexer::columnChanged( const GridColumnEvent& i_event )
 125     {
 126         if ( i_event.AttributeName == "DataColumnIndex" )
 127         {
 128             SolarMutexGuard aGuard;
 129             if ( m_pColumnImplementation != nullptr )
 130                 m_pColumnImplementation->dataColumnIndexChanged();
 131             return;
 132         }
 133
 134         ColumnAttributeGroup nChangedAttributes( ColumnAttributeGroup::NONE );
 135
 136         if ( i_event.AttributeName == "HorizontalAlign" )
 137             nChangedAttributes |= ColumnAttributeGroup::APPEARANCE;
 138
 139         if  (   i_event.AttributeName == "ColumnWidth"
 140             ||  i_event.AttributeName == "MaxWidth"
 141             ||  i_event.AttributeName == "MinWidth"
 142             ||  i_event.AttributeName == "PreferredWidth"
 143             ||  i_event.AttributeName == "Resizeable"
 144             ||  i_event.AttributeName == "Flexibility"
 145             )
 146             nChangedAttributes |= ColumnAttributeGroup::WIDTH;
 147
 148         OSL_ENSURE( nChangedAttributes != ColumnAttributeGroup::NONE,
 149             "ColumnChangeMultiplexer::columnChanged: unknown column attributed changed!" );
 150
 151         SolarMutexGuard aGuard;
 152         if ( m_pColumnImplementation != nullptr )
 153             m_pColumnImplementation->columnChanged( nChangedAttributes );
 154     }
 155
 156
 157     void SAL_CALL ColumnChangeMultiplexer::disposing( const EventObject& )
 158     {
 159     }
 160
 161
 162     //= UnoGridColumnFacade
 163
 164
 165     UnoGridColumnFacade::UnoGridColumnFacade( UnoControlTableModel const & i_owner, Reference< XGridColumn > const & i_gridColumn )
 166         :m_pOwner( &i_owner )
 167         ,m_nDataColumnIndex( -1 )
 168         ,m_xGridColumn( i_gridColumn, css::uno::UNO_SET_THROW )
 169         ,m_pChangeMultiplexer( new ColumnChangeMultiplexer( *this ) )
 170     {
 171         m_xGridColumn->addGridColumnListener( m_pChangeMultiplexer );
 172         impl_updateDataColumnIndex_nothrow();
 173     }
 174
 175
 176     UnoGridColumnFacade::~UnoGridColumnFacade()
 177     {
 178     }
 179
 180
 181     void UnoGridColumnFacade::dispose()
 182     {
 183         DBG_TESTSOLARMUTEX();
 184         ENSURE_OR_RETURN_VOID( m_pOwner != nullptr, "UnoGridColumnFacade::dispose: already disposed!" );
 185
 186         m_xGridColumn->removeGridColumnListener( m_pChangeMultiplexer );
 187         m_pChangeMultiplexer->dispose();
 188         m_pChangeMultiplexer.clear();
 189         m_xGridColumn.clear();
 190         m_pOwner = nullptr;
 191     }
 192
 193
 194     void UnoGridColumnFacade::impl_updateDataColumnIndex_nothrow()
 195     {
 196         m_nDataColumnIndex = -1;
 197         ENSURE_OR_RETURN_VOID( m_xGridColumn.is(), "UnoGridColumnFacade: already disposed!" );
 198         try
 199         {
 200             m_nDataColumnIndex = m_xGridColumn->getDataColumnIndex();
 201         }
 202         catch( const Exception& )
 203         {
 204             DBG_UNHANDLED_EXCEPTION("svtools.uno");
 205         }
 206     }
 207
 208
 209     void UnoGridColumnFacade::dataColumnIndexChanged()
 210     {
 211         DBG_TESTSOLARMUTEX();
 212         impl_updateDataColumnIndex_nothrow();
 213         if ( m_pOwner != nullptr )
 214             m_pOwner->notifyAllDataChanged();
 215     }
 216
 217
 218     void UnoGridColumnFacade::columnChanged( ColumnAttributeGroup const i_attributeGroup )
 219     {
 220         DBG_TESTSOLARMUTEX();
 221         if ( m_pOwner != nullptr )
 222             m_pOwner->notifyColumnChange( m_pOwner->getColumnPos( *this ), i_attributeGroup );
 223     }
 224
 225
 226     OUString UnoGridColumnFacade::getName() const
 227     {
 228         OUString sName;
 229         ENSURE_OR_RETURN( m_xGridColumn.is(), "UnoGridColumnFacade: already disposed!", sName );
 230         try
 231         {
 232             sName = m_xGridColumn->getTitle();
 233         }
 234         catch( const Exception& )
 235         {
 236             DBG_UNHANDLED_EXCEPTION("svtools.uno");
 237         }
 238         return sName;
 239     }
 240
 241
 242     OUString UnoGridColumnFacade::getHelpText() const
 243     {
 244         OUString sHelpText;
 245         ENSURE_OR_RETURN( m_xGridColumn.is(), "UnoGridColumnFacade: already disposed!", sHelpText );
 246         try
 247         {
 248             sHelpText = m_xGridColumn->getHelpText();
 249         }
 250         catch( const Exception& )
 251         {
 252             DBG_UNHANDLED_EXCEPTION("svtools.uno");
 253         }
 254         return sHelpText;
 255     }
 256
 257
 258     bool UnoGridColumnFacade::isResizable() const
 259     {
 260         ENSURE_OR_RETURN( m_xGridColumn.is(), "UnoGridColumnFacade: already disposed!", false );
 261         return lcl_get( m_xGridColumn, &XGridColumn::getResizeable );
 262     }
 263
 264
 265     sal_Int32 UnoGridColumnFacade::getFlexibility() const
 266     {
 267         ENSURE_OR_RETURN( m_xGridColumn.is(), "UnoGridColumnFacade: already disposed!", 1 );
 268         return lcl_get( m_xGridColumn, &XGridColumn::getFlexibility );
 269     }
 270
 271
 272     TableMetrics UnoGridColumnFacade::getWidth() const
 273     {
 274         ENSURE_OR_RETURN( m_xGridColumn.is(), "UnoGridColumnFacade: already disposed!", 0 );
 275         return lcl_get( m_xGridColumn, &XGridColumn::getColumnWidth );
 276     }
 277
 278
 279     void UnoGridColumnFacade::setWidth( TableMetrics _nWidth )
 280     {
 281         ENSURE_OR_RETURN_VOID( m_xGridColumn.is(), "UnoGridColumnFacade: already disposed!" );
 282         lcl_set( m_xGridColumn, &XGridColumn::setColumnWidth, _nWidth );
 283     }
 284
 285
 286     TableMetrics UnoGridColumnFacade::getMinWidth() const
 287     {
 288         ENSURE_OR_RETURN( m_xGridColumn.is(), "UnoGridColumnFacade: already disposed!", 0 );
 289         return lcl_get( m_xGridColumn, &XGridColumn::getMinWidth );
 290     }
 291
 292
 293     TableMetrics UnoGridColumnFacade::getMaxWidth() const
 294     {
 295         ENSURE_OR_RETURN( m_xGridColumn.is(), "UnoGridColumnFacade: already disposed!", 0 );
 296         return lcl_get( m_xGridColumn, &XGridColumn::getMaxWidth );
 297     }
 298
 299
 300     css::style::HorizontalAlignment UnoGridColumnFacade::getHorizontalAlign()
 301     {
 302         ENSURE_OR_RETURN( m_xGridColumn.is(), "UnoGridColumnFacade: already disposed!", HorizontalAlignment_LEFT );
 303         return lcl_get( m_xGridColumn, &XGridColumn::getHorizontalAlign );
 304     }
 305
 306
 307 } // svt::table
 308
 309
 310 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */