sfx2/source/appl/opengrf.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
  21 #include <tools/debug.hxx>
  22 #include <tools/urlobj.hxx>
  23 #include <com/sun/star/uno/Reference.h>
  24 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  25 #include <com/sun/star/ui/dialogs/CommonFilePickerElementIds.hpp>
  26 #include <com/sun/star/ui/dialogs/ExtendedFilePickerElementIds.hpp>
  27 #include <com/sun/star/ui/dialogs/TemplateDescription.hpp>
  28 #include <com/sun/star/ui/dialogs/XFilePickerControlAccess.hpp>
  29 #include <com/sun/star/ui/dialogs/XFilePicker3.hpp>
  30 #include <o3tl/any.hxx>
  31 #include <vcl/stdtext.hxx>
  32 #include <vcl/graphicfilter.hxx>
  33 #include <vcl/svapp.hxx>
  34 #include <vcl/weld.hxx>
  35 #include <sfx2/filedlghelper.hxx>
  36 #include <sfx2/docfile.hxx>
  37 #include <sfx2/opengrf.hxx>
  38 #include <sfx2/strings.hrc>
  39 #include <sfx2/sfxresid.hxx>
  40 #include <osl/diagnose.h>
  41
  42
  43 using namespace ::com::sun::star;
  44 using namespace ::com::sun::star::lang;
  45 using namespace ::com::sun::star::ui::dialogs;
  46 using namespace ::com::sun::star::uno;
  47 using namespace ::cppu;
  48
  49 static TranslateId SvxOpenGrfErr2ResId( ErrCode err )
  50 {
  51     if (err == ERRCODE_GRFILTER_OPENERROR)
  52         return RID_SVXSTR_GRFILTER_OPENERROR;
  53     else if (err == ERRCODE_GRFILTER_IOERROR)
  54         return RID_SVXSTR_GRFILTER_IOERROR;
  55     else if (err == ERRCODE_GRFILTER_VERSIONERROR)
  56         return RID_SVXSTR_GRFILTER_VERSIONERROR;
  57     else if (err == ERRCODE_GRFILTER_FILTERERROR)
  58         return RID_SVXSTR_GRFILTER_FILTERERROR;
  59     else
  60         return RID_SVXSTR_GRFILTER_FORMATERROR;
  61 }
  62
  63 struct SvxOpenGrf_Impl
  64 {
  65     SvxOpenGrf_Impl(weld::Window* pPreferredParent,
  66                     sal_Int16 nDialogType);
  67
  68     sfx2::FileDialogHelper                  aFileDlg;
  69     OUString sDetectedFilter;
  70     uno::Reference < XFilePickerControlAccess > xCtrlAcc;
  71 };
  72
  73
  74 SvxOpenGrf_Impl::SvxOpenGrf_Impl(weld::Window* pPreferredParent,
  75                                  sal_Int16 nDialogType)
  76     : aFileDlg(nDialogType, FileDialogFlags::Graphic, pPreferredParent)
  77 {
  78     uno::Reference < XFilePicker3 > xFP = aFileDlg.GetFilePicker();
  79     xCtrlAcc.set(xFP, UNO_QUERY);
  80 }
  81
  82
  83 SvxOpenGraphicDialog::SvxOpenGraphicDialog(const OUString& rTitle, weld::Window* pPreferredParent)
  84     : mpImpl(new SvxOpenGrf_Impl(pPreferredParent, ui::dialogs::TemplateDescription::FILEOPEN_LINK_PREVIEW))
  85 {
  86     mpImpl->aFileDlg.SetTitle(rTitle);
  87     mpImpl->aFileDlg.SetContext(sfx2::FileDialogHelper::InsertImage);
  88 }
  89
  90 SvxOpenGraphicDialog::SvxOpenGraphicDialog(const OUString& rTitle, weld::Window* pPreferredParent,
  91                                            sal_Int16 nDialogType)
  92     : mpImpl(new SvxOpenGrf_Impl(pPreferredParent, nDialogType))
  93 {
  94     mpImpl->aFileDlg.SetTitle(rTitle);
  95     mpImpl->aFileDlg.SetContext(sfx2::FileDialogHelper::InsertImage);
  96 }
  97
  98 SvxOpenGraphicDialog::~SvxOpenGraphicDialog()
  99 {
 100 }
 101
 102 ErrCode SvxOpenGraphicDialog::Execute()
 103 {
 104     ErrCode nImpRet;
 105     bool    bQuitLoop(false);
 106
 107     while( !bQuitLoop &&
 108            mpImpl->aFileDlg.Execute() == ERRCODE_NONE )
 109     {
 110         if( !GetPath().isEmpty() )
 111         {
 112             GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter();
 113             INetURLObject aObj( GetPath() );
 114
 115             // check whether we can load the graphic
 116             OUString  aCurFilter( GetCurrentFilter() );
 117             sal_uInt16  nFormatNum = rFilter.GetImportFormatNumber( aCurFilter );
 118             sal_uInt16  nRetFormat = 0;
 119             sal_uInt16  nFound = USHRT_MAX;
 120
 121             // non-local?
 122             if ( INetProtocol::File != aObj.GetProtocol() )
 123             {
 124                 SfxMedium aMed( aObj.GetMainURL( INetURLObject::DecodeMechanism::NONE ), StreamMode::READ );
 125                 aMed.Download();
 126                 SvStream* pStream = aMed.GetInStream();
 127
 128                 if( pStream )
 129                     nImpRet = rFilter.CanImportGraphic( aObj.GetMainURL( INetURLObject::DecodeMechanism::NONE ), *pStream, nFormatNum, &nRetFormat );
 130                 else
 131                     nImpRet = rFilter.CanImportGraphic( aObj, nFormatNum, &nRetFormat );
 132
 133                 if ( ERRCODE_NONE != nImpRet )
 134                 {
 135                     if ( !pStream )
 136                         nImpRet = rFilter.CanImportGraphic( aObj, GRFILTER_FORMAT_DONTKNOW, &nRetFormat );
 137                     else
 138                         nImpRet = rFilter.CanImportGraphic( aObj.GetMainURL( INetURLObject::DecodeMechanism::NONE ), *pStream,
 139                                                              GRFILTER_FORMAT_DONTKNOW, &nRetFormat );
 140                 }
 141             }
 142             else
 143             {
 144                 nImpRet = rFilter.CanImportGraphic( aObj, nFormatNum, &nRetFormat );
 145                 if( nImpRet != ERRCODE_NONE )
 146                     nImpRet = rFilter.CanImportGraphic( aObj, GRFILTER_FORMAT_DONTKNOW, &nRetFormat );
 147             }
 148
 149             if ( ERRCODE_NONE == nImpRet )
 150                 nFound = nRetFormat;
 151
 152             // could not load?
 153             if ( nFound == USHRT_MAX )
 154             {
 155                 std::unique_ptr<weld::MessageDialog> xWarn(Application::CreateMessageDialog(nullptr,
 156                                                            VclMessageType::Warning, VclButtonsType::NONE,
 157                                                            SfxResId(SvxOpenGrfErr2ResId(nImpRet))));
 158                 xWarn->add_button(GetStandardText(StandardButtonType::Retry), RET_RETRY);
 159                 xWarn->add_button(GetStandardText(StandardButtonType::Cancel), RET_CANCEL);
 160                 bQuitLoop = xWarn->run() != RET_RETRY;
 161             }
 162             else
 163             {
 164                 if( rFilter.GetImportFormatCount() )
 165                 {
 166                     // store detected appropriate filter
 167                     OUString aFormatName(rFilter.GetImportFormatName(nFound));
 168                     SetDetectedFilter(aFormatName);
 169                 }
 170                 else
 171                 {
 172                     SetDetectedFilter(mpImpl->aFileDlg.GetCurrentFilter());
 173                 }
 174
 175                 return nImpRet;
 176             }
 177         }
 178     }
 179
 180     // cancel
 181     return ErrCode(sal_uInt32(-1));
 182 }
 183
 184
 185 void SvxOpenGraphicDialog::SetPath( const OUString& rPath, bool bLinkState )
 186 {
 187     mpImpl->aFileDlg.SetDisplayDirectory(rPath);
 188     AsLink(bLinkState);
 189 }
 190
 191
 192 void SvxOpenGraphicDialog::EnableLink( bool state )
 193 {
 194     if( !mpImpl->xCtrlAcc.is() )
 195         return;
 196
 197     try
 198     {
 199         mpImpl->xCtrlAcc->enableControl( ExtendedFilePickerElementIds::CHECKBOX_LINK, state );
 200     }
 201     catch(const IllegalArgumentException&)
 202     {
 203 #ifdef DBG_UTIL
 204         OSL_FAIL( "Cannot enable \"link\" checkbox" );
 205 #endif
 206     }
 207 }
 208
 209
 210 void SvxOpenGraphicDialog::AsLink(bool bState)
 211 {
 212     if( !mpImpl->xCtrlAcc.is() )
 213         return;
 214
 215     try
 216     {
 217         mpImpl->xCtrlAcc->setValue( ExtendedFilePickerElementIds::CHECKBOX_LINK, 0, Any(bState) );
 218     }
 219     catch(const IllegalArgumentException&)
 220     {
 221 #ifdef DBG_UTIL
 222         OSL_FAIL( "Cannot check \"link\" checkbox" );
 223 #endif
 224     }
 225 }
 226
 227
 228 bool SvxOpenGraphicDialog::IsAsLink() const
 229 {
 230     try
 231     {
 232         if( mpImpl->xCtrlAcc.is() )
 233         {
 234             Any aVal = mpImpl->xCtrlAcc->getValue( ExtendedFilePickerElementIds::CHECKBOX_LINK, 0 );
 235             DBG_ASSERT(aVal.hasValue(), "Value CBX_INSERT_AS_LINK not found");
 236             return aVal.hasValue() && *o3tl::doAccess<bool>(aVal);
 237         }
 238     }
 239     catch(const IllegalArgumentException&)
 240     {
 241 #ifdef DBG_UTIL
 242         OSL_FAIL( "Cannot access \"link\" checkbox" );
 243 #endif
 244     }
 245
 246     return false;
 247 }
 248
 249 ErrCode SvxOpenGraphicDialog::GetGraphic(Graphic& rGraphic) const
 250 {
 251     return mpImpl->aFileDlg.GetGraphic(rGraphic);
 252 }
 253
 254 OUString SvxOpenGraphicDialog::GetPath() const
 255 {
 256     return mpImpl->aFileDlg.GetPath();
 257 }
 258
 259 OUString SvxOpenGraphicDialog::GetCurrentFilter() const
 260 {
 261     return mpImpl->aFileDlg.GetCurrentFilter();
 262 }
 263
 264 OUString const & SvxOpenGraphicDialog::GetDetectedFilter() const
 265 {
 266     return mpImpl->sDetectedFilter;
 267 }
 268
 269 void SvxOpenGraphicDialog::SetCurrentFilter(const OUString& rStr)
 270 {
 271     mpImpl->aFileDlg.SetCurrentFilter(rStr);
 272 }
 273
 274 void SvxOpenGraphicDialog::SetDetectedFilter(const OUString& rStr)
 275 {
 276     mpImpl->sDetectedFilter = rStr;
 277 }
 278
 279 Reference<ui::dialogs::XFilePickerControlAccess> const & SvxOpenGraphicDialog::GetFilePickerControlAccess() const
 280 {
 281     return mpImpl->xCtrlAcc;
 282 }
 283
 284 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */