LCOV - code coverage report
Current view: top level - uui/source - fltdlg.cxx (source / functions) Hit Total Coverage
Test: commit e02a6cb2c3e2b23b203b422e4e0680877f232636 Lines: 0 44 0.0 %
Date: 2014-04-14 Functions: 0 9 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       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 "fltdlg.hxx"
      21             : 
      22             : #include "ids.hrc"
      23             : 
      24             : #include "fltdlg.hrc"
      25             : 
      26             : #include <com/sun/star/util/XStringWidth.hpp>
      27             : #include <cppuhelper/implbase1.hxx>
      28             : #include <unotools/localfilehelper.hxx>
      29             : #include <tools/urlobj.hxx>
      30             : 
      31             : #include <vcl/button.hxx>
      32             : #include <osl/mutex.hxx>
      33             : #include <vcl/svapp.hxx>
      34             : 
      35             : namespace uui
      36             : {
      37             : 
      38             : /*-************************************************************************************************************
      39             :     @short      initialize filter dialog with start values
      40             :     @descr      We set some necessary information on these instance for later working and create internal structures.
      41             :                 After construction user should call "SetFilters()" and "SetURL()" to fill listbox with selectable filter
      42             :                 names and set file name of file, which should be used for selected filter.
      43             : 
      44             :     @seealso    method SetFilters()
      45             :     @seealso    method SetURL()
      46             : 
      47             :     @param      "pParentWindow"  , parent window for dialog
      48             :     @param      "pResMgr"        , resource manager
      49             :     @threadsafe no
      50             : *//*-*************************************************************************************************************/
      51           0 : FilterDialog::FilterDialog( Window* pParentWindow ,
      52             :                             ResMgr* pResMgr       )
      53             :     :   ModalDialog  (pParentWindow, ResId( DLG_FILTER_SELECT, *pResMgr ) )
      54             :     ,   m_ftURL      (this, ResId( FT_URL, *pResMgr))
      55             :     ,   m_lbFilters  (this, ResId( LB_FILTERS, *pResMgr))
      56             :     ,   m_btnOK      (this, ResId( BTN_OK, *pResMgr))
      57             :     ,   m_btnCancel  (this, ResId( BTN_CANCEL, *pResMgr))
      58             :     ,   m_btnHelp    (this, ResId( BTN_HELP, *pResMgr))
      59           0 :     ,   m_pFilterNames(NULL)
      60             : {
      61           0 :     FreeResource();
      62           0 : }
      63             : 
      64             : /*-************************************************************************************************************
      65             :     @short      set file name on dialog control
      66             :     @descr      We convert given URL (it must be an URL!) into valid file name and show it on our dialog.
      67             :     @param      "sURL", URL for showing
      68             :     @threadsafe no
      69             : *//*-*************************************************************************************************************/
      70           0 : void FilterDialog::SetURL( const OUString& sURL )
      71             : {
      72             :     // convert it and use given pure string as fallback if conversion failed
      73           0 :     m_ftURL.SetText( impl_buildUIFileName(sURL) );
      74           0 : }
      75             : 
      76             : /*-************************************************************************************************************
      77             :     @short      change list of filter names
      78             :     @descr      We save given pointer internal and use it to fill our listbox with given names.
      79             :                 Saved list pointer is used on method "AskForFilter()" too, to find user selected item
      80             :                 and return pointer into these list as result of operation.
      81             :                 So it's possible to call dialog again and again for different or same filter list
      82             :                 and ask user for his decision by best performance!
      83             : 
      84             :     @attention  Don't free memory of given list after this call till object will die ... or
      85             :                 you call "ChangeFilters( NULL )"! Then we forget it too.
      86             : 
      87             :     @seealso    method AskForFilter()
      88             : 
      89             :     @param      "pFilterNames", pointer to list of filter names, which should be used for later operations.
      90             :     @onerror    We clear list box and forget our currently set filter information completely!
      91             :     @threadsafe no
      92             : *//*-*************************************************************************************************************/
      93           0 : void FilterDialog::ChangeFilters( const FilterNameList* pFilterNames )
      94             : {
      95           0 :     m_pFilterNames = pFilterNames;
      96           0 :     m_lbFilters.Clear();
      97           0 :     if( m_pFilterNames != NULL )
      98             :     {
      99           0 :         for( FilterNameListPtr pItem  = m_pFilterNames->begin();
     100           0 :                                pItem != m_pFilterNames->end()  ;
     101             :                                ++pItem                         )
     102             :         {
     103           0 :             m_lbFilters.InsertEntry( pItem->sUI );
     104             :         }
     105             :     }
     106           0 : }
     107             : 
     108             : /*-************************************************************************************************************
     109             :     @short      ask user for his decision
     110             :     @descr      We show the dialog and if user finish it with "OK" - we try to find selected item in internal saved
     111             :                 name list (which you must set in "ChangeFilters()"!). If we return sal_True as result, you can use out
     112             :                 parameter "pSelectedItem" as pointer into your FilterNameList to get selected item really ...
     113             :                 but if we return sal_False ... user has cancel the dialog ... you should not do that. pSelectedItem isnt
     114             :                 set to any valid value then. We don't change them ...
     115             : 
     116             :     @seealso    method ChangeFilters()
     117             : 
     118             :     @param      "pSelectedItem", returns result of selection as pointer into set list of filter names
     119             :                                  (valid for function return sal_True only!)
     120             :     @return     true  => pSelectedItem parameter points into name list and represent use decision
     121             :                 false => use has cancelled dialog (pSelectedItem isnt valid then!)
     122             : 
     123             :     @onerror    We return false ... but don't change pSelectedItem!
     124             :     @threadsafe no
     125             : *//*-*************************************************************************************************************/
     126           0 : bool FilterDialog::AskForFilter( FilterNameListPtr& pSelectedItem )
     127             : {
     128           0 :     bool bSelected = false;
     129             : 
     130           0 :     if( m_pFilterNames != NULL )
     131             :     {
     132           0 :         if( ModalDialog::Execute() == RET_OK )
     133             :         {
     134           0 :             OUString sEntry = m_lbFilters.GetSelectEntry();
     135           0 :             if( !sEntry.isEmpty() )
     136             :             {
     137           0 :                 int nPos = m_lbFilters.GetSelectEntryPos();
     138           0 :                 if( nPos < (int)(m_pFilterNames->size()) )
     139             :                 {
     140           0 :                     pSelectedItem  = m_pFilterNames->begin();
     141           0 :                     pSelectedItem += nPos;
     142           0 :                     bSelected      = ( pSelectedItem != m_pFilterNames->end() );
     143             :                 }
     144           0 :             }
     145             :         }
     146             :     }
     147             : 
     148           0 :     return bSelected;
     149             : }
     150             : 
     151             : /*-************************************************************************************************************
     152             :     @short      helper class to calculate length of given string
     153             :     @descr      Instances of it can be used as callback for INetURLObject::getAbbreviated() method to build
     154             :                 short URLs to show it on GUI. We use in ctor set OutputDevice to call special VCL method ...
     155             : 
     156             :     @seealso    method OutputDevice::GetTextWidth()
     157             :     @seealso    method InetURLObject::getAbbreviated()
     158             :     @threadsafe no
     159             : *//*-*************************************************************************************************************/
     160           0 : class StringCalculator : public ::cppu::WeakImplHelper1< ::com::sun::star::util::XStringWidth >
     161             : {
     162             :     public:
     163           0 :         StringCalculator( const OutputDevice* pDevice )
     164           0 :             : m_pDevice( pDevice )
     165             :         {
     166           0 :         }
     167             : 
     168           0 :         sal_Int32 SAL_CALL queryStringWidth( const OUString& sString ) throw( ::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE
     169             :         {
     170           0 :             return (sal_Int32)(m_pDevice->GetTextWidth(sString));
     171             :         }
     172             : 
     173             :     private:
     174             :         const OutputDevice* m_pDevice;
     175             : };
     176             : 
     177             : /*-************************************************************************************************************
     178             :     @short      try to build short name of given URL to show it n GUI
     179             :     @descr      We detect type of given URL automaticly and build this short name depend on this type ...
     180             :                 If we couldnt make it right we return full given string without any changes ...
     181             : 
     182             :     @seealso    class LocalFileHelper
     183             :     @seealso    method InetURLObject::getAbbreviated()
     184             : 
     185             :     @param      "sName", file name
     186             :     @return     A short file name ...
     187             : 
     188             :     @onerror    We return given name without any changes.
     189             :     @threadsafe no
     190             : *//*-*************************************************************************************************************/
     191           0 : OUString FilterDialog::impl_buildUIFileName( const OUString& sName )
     192             : {
     193           0 :     OUString sShortName( sName );
     194             : 
     195           0 :     if( ::utl::LocalFileHelper::ConvertURLToSystemPath( sName, sShortName ) )
     196             :     {
     197             :         // it's a system file ... build short name by using osl functionality
     198             :     }
     199             :     else
     200             :     {
     201             :         // otherwise its really a url ... build short name by using INetURLObject
     202           0 :         ::com::sun::star::uno::Reference< ::com::sun::star::util::XStringWidth > xStringCalculator( new StringCalculator(&m_ftURL) );
     203           0 :         if( xStringCalculator.is() )
     204             :         {
     205           0 :             INetURLObject aBuilder   ( sName );
     206           0 :             Size          aSize      = m_ftURL.GetOutputSize();
     207           0 :                           sShortName = aBuilder.getAbbreviated( xStringCalculator, aSize.Width(), INetURLObject::DECODE_UNAMBIGUOUS );
     208           0 :         }
     209             :     }
     210             : 
     211           0 :     return sShortName;
     212             : }
     213             : 
     214             : }   // namespace uui
     215             : 
     216             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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