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Diffstat (limited to 'uui/source/fltdlg.cxx')
| -rw-r--r-- | uui/source/fltdlg.cxx | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/uui/source/fltdlg.cxx b/uui/source/fltdlg.cxx new file mode 100644 index 000000000000..2d32630d687c --- /dev/null +++ b/uui/source/fltdlg.cxx @@ -0,0 +1,247 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +//_________________________________________________________________________________________________________________ +// my own includes +//_________________________________________________________________________________________________________________ + +#include "fltdlg.hxx" + +#include "ids.hrc" + +#include "fltdlg.hrc" + +//_________________________________________________________________________________________________________________ +// includes of other projects +//_________________________________________________________________________________________________________________ +#include <com/sun/star/util/XStringWidth.hpp> +#include <cppuhelper/implbase1.hxx> +#include <unotools/localfilehelper.hxx> +#include <tools/urlobj.hxx> + +#include <vcl/button.hxx> +#include <osl/mutex.hxx> +#include <vcl/svapp.hxx> + +namespace uui +{ + +/*-************************************************************************************************************//** + @short initialize filter dialog with start values + @descr We set some neccessary informations on these instance for later working and create internal structures. + After construction user should call "SetFilters()" and "SetURL()" to fill listbox with selectable filter + names and set file name of file, which should be used for selected filter. + + @seealso method SetFilters() + @seealso method SetURL() + + @param "pParentWindow" , parent window for dialog + @param "pResMgr" , ressource manager + @return - + + @onerror - + @threadsafe no +*//*-*************************************************************************************************************/ +FilterDialog::FilterDialog( Window* pParentWindow , + ResMgr* pResMgr ) + : ModalDialog ( pParentWindow, ResId( DLG_FILTER_SELECT, *pResMgr ) ) + , m_ftURL ( this, ResId( FT_URL, *pResMgr ) ) + , m_lbFilters ( this, ResId( LB_FILTERS, *pResMgr ) ) + , m_btnOK ( this, ResId( BTN_OK, *pResMgr ) ) + , m_btnCancel ( this, ResId( BTN_CANCEL, *pResMgr ) ) + , m_btnHelp ( this, ResId( BTN_HELP, *pResMgr ) ) +{ + FreeResource(); +} + +/*-************************************************************************************************************//** + @short set file name on dialog control + @descr We convert given URL (it must be an URL!) into valid file name and show it on our dialog. + + @seealso - + + @param "sURL", URL for showing + @return - + + @onerror - + @threadsafe no +*//*-*************************************************************************************************************/ +void FilterDialog::SetURL( const String& sURL ) +{ + // convert it and use given pure string as fallback if conversion failed + m_ftURL.SetText( impl_buildUIFileName(sURL) ); +} + +/*-************************************************************************************************************//** + @short change list of filter names + @descr We save given pointer internal and use it to fill our listbox with given names. + Saved list pointer is used on method "AskForFilter()" too, to find user selected item + and return pointer into these list as result of operation. + So it's possible to call dialog again and again for different or same filter list + and ask user for his decision by best performance! + + @attention Don't free memory of given list after this call till object will die ... or + you call "ChangeFilters( NULL )"! Then we forget it too. + + @seealso method AskForFilter() + + @param "pFilterNames", pointer to list of filter names, which should be used for later operations. + @return - + + @onerror We clear list box and forget our currently set filter informations completly! + @threadsafe no +*//*-*************************************************************************************************************/ +void FilterDialog::ChangeFilters( const FilterNameList* pFilterNames ) +{ + m_pFilterNames = pFilterNames; + m_lbFilters.Clear(); + if( m_pFilterNames != NULL ) + { + for( FilterNameListPtr pItem = m_pFilterNames->begin(); + pItem != m_pFilterNames->end() ; + ++pItem ) + { + m_lbFilters.InsertEntry( pItem->sUI ); + } + } +} + +/*-************************************************************************************************************//** + @short ask user for his decision + @descr We show the dialog and if user finish it with "OK" - we try to find selected item in internal saved + name list (which you must set in "ChangeFilters()"!). If we return sal_True as result, you can use out + parameter "pSelectedItem" as pointer into your FilterNameList to get selected item realy ... + but if we return sal_False ... user hsa cancel the dialog ... you shouldnt do that. pSelectedItem isnt + set to any valid value then. We don't change them ... + + @seealso method ChangeFilters() + + @param "pSelectedItem", returns result of selection as pointer into set list of filter names + (valid for function return sal_True only!) + @return true => pSelectedItem parameter points into name list and represent use decision + false => use has cancelled dialog (pSelectedItem isnt valid then!) + + @onerror We return false ... but don't change pSelectedItem! + @threadsafe no +*//*-*************************************************************************************************************/ +bool FilterDialog::AskForFilter( FilterNameListPtr& pSelectedItem ) +{ + bool bSelected = sal_False; + + if( m_pFilterNames != NULL ) + { + if( ModalDialog::Execute() == RET_OK ) + { + String sEntry = m_lbFilters.GetSelectEntry(); + if( sEntry.Len() > 0 ) + { + int nPos = m_lbFilters.GetSelectEntryPos(); + if( nPos < (int)(m_pFilterNames->size()) ) + { + pSelectedItem = m_pFilterNames->begin(); + pSelectedItem += nPos; + bSelected = ( pSelectedItem != m_pFilterNames->end() ); + } + } + } + } + + return bSelected; +} + +/*-************************************************************************************************************//** + @short helper class to calculate length of given string + @descr Instances of it can be used as callback for INetURLObject::getAbbreviated() method to build + short URLs to show it on GUI. We use in ctor set OutputDevice to call special VCL method ... + + @seealso method OutputDevice::GetTextWidth() + @seealso method InetURLObject::getAbbreviated() + + @param - + @return - + + @onerror - + @threadsafe no +*//*-*************************************************************************************************************/ +class StringCalculator : public ::cppu::WeakImplHelper1< ::com::sun::star::util::XStringWidth > +{ + public: + StringCalculator( const OutputDevice* pDevice ) + : m_pDevice( pDevice ) + { + } + + sal_Int32 SAL_CALL queryStringWidth( const ::rtl::OUString& sString ) throw( ::com::sun::star::uno::RuntimeException ) + { + return (sal_Int32)(m_pDevice->GetTextWidth(String(sString))); + } + + private: + const OutputDevice* m_pDevice; +}; + +/*-************************************************************************************************************//** + @short try to build short name of given URL to show it n GUI + @descr We detect type of given URL automaticly and build this short name depend on this type ... + If we couldnt make it right we return full given string without any changes ... + + @seealso class LocalFileHelper + @seealso method InetURLObject::getAbbreviated() + + @param "sName", file name + @return A short file name ... + + @onerror We return given name without any changes. + @threadsafe no +*//*-*************************************************************************************************************/ +String FilterDialog::impl_buildUIFileName( const String& sName ) +{ + String sShortName( sName ); + + if( ::utl::LocalFileHelper::ConvertURLToSystemPath( sName, sShortName ) == sal_True ) + { + // its a system file ... build short name by using osl functionality + } + else + { + // otherwise its really a url ... build short name by using INetURLObject + ::com::sun::star::uno::Reference< ::com::sun::star::util::XStringWidth > xStringCalculator( new StringCalculator(&m_ftURL) ); + if( xStringCalculator.is() == sal_True ) + { + INetURLObject aBuilder ( sName ); + Size aSize = m_ftURL.GetOutputSize(); + sShortName = aBuilder.getAbbreviated( xStringCalculator, aSize.Width(), INetURLObject::DECODE_UNAMBIGUOUS ); + } + } + + return sShortName; +} + +} // namespace uui + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |