forms/source/richtext/clipboarddispatcher.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_forms.hxx"
  33 #include "clipboarddispatcher.hxx"
  34 #include <svx/editview.hxx>
  35
  36 /** === begin UNO includes === **/
  37 #include <com/sun/star/lang/DisposedException.hpp>
  38 /** === end UNO includes === **/
  39 #include <svtools/cliplistener.hxx>
  40 #include <svtools/transfer.hxx>
  41
  42 //........................................................................
  43 namespace frm
  44 {
  45 //........................................................................
  46
  47     using namespace ::com::sun::star::uno;
  48     using namespace ::com::sun::star::frame;
  49     using namespace ::com::sun::star::lang;
  50     using namespace ::com::sun::star::util;
  51     using namespace ::com::sun::star::beans;
  52
  53     //====================================================================
  54     namespace
  55     {
  56         static URL createClipboardURL( OClipboardDispatcher::ClipboardFunc _eFunc )
  57         {
  58             URL aURL;
  59             switch ( _eFunc )
  60             {
  61             case OClipboardDispatcher::eCut:
  62                 aURL.Complete = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( ".uno:Cut" ) );
  63                 break;
  64             case OClipboardDispatcher::eCopy:
  65                 aURL.Complete = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( ".uno:Copy" ) );
  66                 break;
  67             case OClipboardDispatcher::ePaste:
  68                 aURL.Complete = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( ".uno:Paste" ) );
  69                 break;
  70             }
  71             return aURL;
  72         }
  73     }
  74
  75     //====================================================================
  76     //= OClipboardDispatcher
  77     //====================================================================
  78     //--------------------------------------------------------------------
  79     OClipboardDispatcher::OClipboardDispatcher( EditView& _rView, ClipboardFunc _eFunc )
  80         :ORichTextFeatureDispatcher( _rView, createClipboardURL( _eFunc ) )
  81         ,m_eFunc( _eFunc )
  82         ,m_bLastKnownEnabled( sal_True )
  83     {
  84     }
  85
  86     //--------------------------------------------------------------------
  87     sal_Bool OClipboardDispatcher::implIsEnabled( ) const
  88     {
  89         sal_Bool bEnabled = sal_False;
  90         switch ( m_eFunc )
  91         {
  92         case eCut:
  93             bEnabled = !getEditView()->IsReadOnly() && getEditView()->HasSelection();
  94             break;
  95
  96         case eCopy:
  97             bEnabled = getEditView()->HasSelection();
  98             break;
  99
 100         case ePaste:
 101             bEnabled = !getEditView()->IsReadOnly();
 102             break;
 103         }
 104         return bEnabled;
 105     }
 106
 107     //--------------------------------------------------------------------
 108     FeatureStateEvent OClipboardDispatcher::buildStatusEvent() const
 109     {
 110         FeatureStateEvent aEvent( ORichTextFeatureDispatcher::buildStatusEvent() );
 111         aEvent.IsEnabled = implIsEnabled();
 112         return aEvent;
 113     }
 114
 115     //--------------------------------------------------------------------
 116     void OClipboardDispatcher::invalidateFeatureState_Broadcast()
 117     {
 118         sal_Bool bEnabled = implIsEnabled();
 119         if ( m_bLastKnownEnabled == bEnabled )
 120             // nothing changed -> no notification
 121             return;
 122         m_bLastKnownEnabled = bEnabled;
 123
 124         ORichTextFeatureDispatcher::invalidateFeatureState_Broadcast();
 125     }
 126
 127     //--------------------------------------------------------------------
 128     void SAL_CALL OClipboardDispatcher::dispatch( const URL& /*_rURL*/, const Sequence< PropertyValue >& /*Arguments*/ ) throw (RuntimeException)
 129     {
 130         ::osl::MutexGuard aGuard( m_aMutex );
 131         if ( !getEditView() )
 132             throw DisposedException();
 133
 134         switch ( m_eFunc )
 135         {
 136         case eCut:
 137             getEditView()->Cut();
 138             break;
 139
 140         case eCopy:
 141             getEditView()->Copy();
 142             break;
 143
 144         case ePaste:
 145             getEditView()->Paste();
 146             break;
 147         }
 148     }
 149
 150     //====================================================================
 151     //= OPasteClipboardDispatcher
 152     //====================================================================
 153     //--------------------------------------------------------------------
 154     OPasteClipboardDispatcher::OPasteClipboardDispatcher( EditView& _rView )
 155         :OClipboardDispatcher( _rView, ePaste )
 156         ,m_pClipListener( NULL )
 157         ,m_bPastePossible( sal_False )
 158     {
 159         m_pClipListener = new TransferableClipboardListener( LINK( this, OPasteClipboardDispatcher, OnClipboardChanged ) );
 160         m_pClipListener->acquire();
 161         m_pClipListener->AddRemoveListener( _rView.GetWindow(), TRUE );
 162
 163         // initial state
 164         TransferableDataHelper aDataHelper( TransferableDataHelper::CreateFromSystemClipboard( _rView.GetWindow() ) );
 165         m_bPastePossible = ( aDataHelper.HasFormat( SOT_FORMAT_STRING ) || aDataHelper.HasFormat( SOT_FORMAT_RTF ) );
 166     }
 167
 168     //--------------------------------------------------------------------
 169     OPasteClipboardDispatcher::~OPasteClipboardDispatcher()
 170     {
 171         if ( !isDisposed() )
 172         {
 173             acquire();
 174             dispose();
 175         }
 176     }
 177
 178     //--------------------------------------------------------------------
 179     IMPL_LINK( OPasteClipboardDispatcher, OnClipboardChanged, TransferableDataHelper*, _pDataHelper )
 180     {
 181         OSL_ENSURE( _pDataHelper, "OPasteClipboardDispatcher::OnClipboardChanged: ooops!" );
 182         m_bPastePossible = _pDataHelper->HasFormat( SOT_FORMAT_STRING )
 183                         || _pDataHelper->HasFormat( SOT_FORMAT_RTF );
 184
 185         invalidate();
 186
 187         return 0L;
 188     }
 189
 190     //--------------------------------------------------------------------
 191     void OPasteClipboardDispatcher::disposing( ::osl::ClearableMutexGuard& _rClearBeforeNotify )
 192     {
 193         OSL_ENSURE( getEditView() && getEditView()->GetWindow(), "OPasteClipboardDispatcher::disposing: EditView should not (yet) be disfunctional here!" );
 194         if ( getEditView() && getEditView()->GetWindow() && m_pClipListener )
 195             m_pClipListener->AddRemoveListener( getEditView()->GetWindow(), FALSE );
 196         m_pClipListener->release();
 197         m_pClipListener = NULL;
 198
 199         OClipboardDispatcher::disposing( _rClearBeforeNotify );
 200     }
 201
 202     //--------------------------------------------------------------------
 203     sal_Bool OPasteClipboardDispatcher::implIsEnabled( ) const
 204     {
 205         return m_bPastePossible && OClipboardDispatcher::implIsEnabled();
 206     }
 207
 208 //........................................................................
 209 }   // namespace frm
 210 //........................................................................
 211