282 lines
11 KiB
C++
282 lines
11 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: fltdlg.cxx,v $
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*
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* $Revision: 1.4 $
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*
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* last change: $Author: rt $ $Date: 2007-04-26 08:18:52 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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//_________________________________________________________________________________________________________________
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// my own includes
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//_________________________________________________________________________________________________________________
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#ifndef UUI_FLTDLG_HXX
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#include "fltdlg.hxx"
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#endif
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#ifndef UUI_IDS_HRC
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#include "ids.hrc"
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#endif
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#ifndef UUI_FLTDLG_HRC
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#include "fltdlg.hrc"
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#endif
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//_________________________________________________________________________________________________________________
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// includes of other projects
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//_________________________________________________________________________________________________________________
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#ifndef _COM_SUN_STAR_UTIL_XSTRINGWIDTH_HPP_
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#include <com/sun/star/util/XStringWidth.hpp>
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#endif
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#ifndef _CPPUHELPER_IMPLBASE1_HXX_
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#include <cppuhelper/implbase1.hxx>
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#endif
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#ifndef _UNOTOOLS_LOCALFILEHELPER_HXX
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#include <unotools/localfilehelper.hxx>
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#endif
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#ifndef _LIST_HXX //autogen
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#include <tools/list.hxx>
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#endif
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#ifndef _URLOBJ_HXX //autogen
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#include <tools/urlobj.hxx>
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#endif
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#ifndef _BUTTON_HXX //autogen
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#include <vcl/button.hxx>
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#endif
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#ifndef _VOS_MUTEX_HXX_
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#include <vos/mutex.hxx>
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#endif
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#ifndef _SV_SVAPP_HXX
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#include <vcl/svapp.hxx>
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#endif
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namespace uui
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{
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/*-************************************************************************************************************//**
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@short initialize filter dialog with start values
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@descr We set some neccessary informations on these instance for later working and create internal structures.
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After construction user should call "SetFilters()" and "SetURL()" to fill listbox with selectable filter
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names and set file name of file, which should be used for selected filter.
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@seealso method SetFilters()
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@seealso method SetURL()
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@param "pParentWindow" , parent window for dialog
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@param "pResMgr" , ressource manager
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@return -
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@onerror -
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@threadsafe no
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*//*-*************************************************************************************************************/
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FilterDialog::FilterDialog( Window* pParentWindow ,
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ResMgr* pResMgr )
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: ModalDialog ( pParentWindow, ResId( DLG_FILTER_SELECT, *pResMgr ) )
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, m_ftURL ( this, ResId( FT_URL, *pResMgr ) )
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, m_lbFilters ( this, ResId( LB_FILTERS, *pResMgr ) )
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, m_btnOK ( this, ResId( BTN_OK, *pResMgr ) )
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, m_btnCancel ( this, ResId( BTN_CANCEL, *pResMgr ) )
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, m_btnHelp ( this, ResId( BTN_HELP, *pResMgr ) )
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{
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FreeResource();
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}
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/*-************************************************************************************************************//**
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@short set file name on dialog control
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@descr We convert given URL (it must be an URL!) into valid file name and show it on our dialog.
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@seealso -
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@param "sURL", URL for showing
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@return -
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@onerror -
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@threadsafe no
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*//*-*************************************************************************************************************/
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void FilterDialog::SetURL( const String& sURL )
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{
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// convert it and use given pure string as fallback if convertion failed
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m_ftURL.SetText( impl_buildUIFileName(sURL) );
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}
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/*-************************************************************************************************************//**
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@short change list of filter names
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@descr We save given pointer internal and use it to fill our listbox with given names.
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Saved list pointer is used on method "AskForFilter()" too, to find user selected item
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and return pointer into these list as result of operation.
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So it's possible to call dialog again and again for different or same filter list
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and ask user for his decision by best performance!
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@attention Don't free memory of given list after this call till object will die ... or
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you call "ChangeFilters( NULL )"! Then we forget it too.
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@seealso method AskForFilter()
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@param "pFilterNames", pointer to list of filter names, which should be used for later operations.
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@return -
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@onerror We clear list box and forget our currently set filter informations completly!
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@threadsafe no
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*//*-*************************************************************************************************************/
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void FilterDialog::ChangeFilters( const FilterNameList* pFilterNames )
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{
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m_pFilterNames = pFilterNames;
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m_lbFilters.Clear();
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if( m_pFilterNames != NULL )
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{
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for( FilterNameListPtr pItem = m_pFilterNames->begin();
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pItem != m_pFilterNames->end() ;
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++pItem )
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{
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m_lbFilters.InsertEntry( pItem->sUI );
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}
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}
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}
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/*-************************************************************************************************************//**
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@short ask user for his decision
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@descr We show the dialog and if user finish it with "OK" - we try to find selected item in internal saved
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name list (which you must set in "ChangeFilters()"!). If we return TRUE as result, you can use out
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parameter "pSelectedItem" as pointer into your FilterNameList to get selected item realy ...
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but if we return FALSE ... user hsa cancel the dialog ... you shouldnt do that. pSelectedItem isnt
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set to any valid value then. We don't change them ...
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@seealso method ChangeFilters()
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@param "pSelectedItem", returns result of selection as pointer into set list of filter names
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(valid for function return TRUE only!)
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@return true => pSelectedItem parameter points into name list and represent use decision
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false => use has cancelled dialog (pSelectedItem isnt valid then!)
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@onerror We return false ... but don't change pSelectedItem!
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@threadsafe no
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*//*-*************************************************************************************************************/
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bool FilterDialog::AskForFilter( FilterNameListPtr& pSelectedItem )
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{
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bool bSelected = sal_False;
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if( m_pFilterNames != NULL )
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{
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if( ModalDialog::Execute() == RET_OK )
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{
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String sEntry = m_lbFilters.GetSelectEntry();
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if( sEntry.Len() > 0 )
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{
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int nPos = m_lbFilters.GetSelectEntryPos();
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if( nPos < (int)(m_pFilterNames->size()) )
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{
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pSelectedItem = m_pFilterNames->begin();
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pSelectedItem += nPos;
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bSelected = ( pSelectedItem != m_pFilterNames->end() );
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}
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}
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}
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}
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return bSelected;
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}
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/*-************************************************************************************************************//**
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@short helper class to calculate length of given string
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@descr Instances of it can be used as callback for INetURLObject::getAbbreviated() method to build
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short URLs to show it on GUI. We use in ctor set OutputDevice to call special VCL method ...
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@seealso method OutputDevice::GetTextWidth()
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@seealso method InetURLObject::getAbbreviated()
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@param -
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@return -
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@onerror -
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@threadsafe no
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*//*-*************************************************************************************************************/
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class StringCalculator : public ::cppu::WeakImplHelper1< ::com::sun::star::util::XStringWidth >
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{
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public:
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StringCalculator( const OutputDevice* pDevice )
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: m_pDevice( pDevice )
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{
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}
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sal_Int32 SAL_CALL queryStringWidth( const ::rtl::OUString& sString ) throw( ::com::sun::star::uno::RuntimeException )
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{
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return (sal_Int32)(m_pDevice->GetTextWidth(String(sString)));
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}
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private:
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const OutputDevice* m_pDevice;
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};
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/*-************************************************************************************************************//**
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@short try to build short name of given URL to show it n GUI
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@descr We detect type of given URL automaticly and build this short name depend on this type ...
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If we couldnt make it right we return full given string without any changes ...
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@seealso class LocalFileHelper
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@seealso method InetURLObject::getAbbreviated()
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@param "sName", file name
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@return A short file name ...
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@onerror We return given name without any changes.
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@threadsafe no
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*//*-*************************************************************************************************************/
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String FilterDialog::impl_buildUIFileName( const String& sName )
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{
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String sShortName( sName );
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if( ::utl::LocalFileHelper::ConvertURLToSystemPath( sName, sShortName ) == sal_True )
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{
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// its a system file ... build short name by using osl functionality
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}
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else
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{
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// otherwise its realy a url ... build short name by using INetURLObject
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::com::sun::star::uno::Reference< ::com::sun::star::util::XStringWidth > xStringCalculator( new StringCalculator(&m_ftURL) );
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if( xStringCalculator.is() == sal_True )
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{
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INetURLObject aBuilder ( sName );
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Size aSize = m_ftURL.GetOutputSize();
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sShortName = aBuilder.getAbbreviated( xStringCalculator, aSize.Width(), INetURLObject::DECODE_UNAMBIGUOUS );
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}
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}
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return sShortName;
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}
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} // namespace uui
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