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 const char* 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 }
  88
  89 SvxOpenGraphicDialog::SvxOpenGraphicDialog(const OUString& rTitle, weld::Window* pPreferredParent,
  90                                            sal_Int16 nDialogType)
  91     : mpImpl(new SvxOpenGrf_Impl(pPreferredParent, nDialogType))
  92 {
  93     mpImpl->aFileDlg.SetTitle(rTitle);
  94 }
  95
  96 SvxOpenGraphicDialog::~SvxOpenGraphicDialog()
  97 {
  98 }
  99
 100 ErrCode SvxOpenGraphicDialog::Execute()
 101 {
 102     ErrCode nImpRet;
 103     bool    bQuitLoop(false);
 104
 105     while( !bQuitLoop &&
 106            mpImpl->aFileDlg.Execute() == ERRCODE_NONE )
 107     {
 108         if( !GetPath().isEmpty() )
 109         {
 110             GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter();
 111             INetURLObject aObj( GetPath() );
 112
 113             // check whether we can load the graphic
 114             OUString  aCurFilter( GetCurrentFilter() );
 115             sal_uInt16  nFormatNum = rFilter.GetImportFormatNumber( aCurFilter );
 116             sal_uInt16  nRetFormat = 0;
 117             sal_uInt16  nFound = USHRT_MAX;
 118
 119             // non-local?
 120             if ( INetProtocol::File != aObj.GetProtocol() )
 121             {
 122                 SfxMedium aMed( aObj.GetMainURL( INetURLObject::DecodeMechanism::NONE ), StreamMode::READ );
 123                 aMed.Download();
 124                 SvStream* pStream = aMed.GetInStream();
 125
 126                 if( pStream )
 127                     nImpRet = rFilter.CanImportGraphic( aObj.GetMainURL( INetURLObject::DecodeMechanism::NONE ), *pStream, nFormatNum, &nRetFormat );
 128                 else
 129                     nImpRet = rFilter.CanImportGraphic( aObj, nFormatNum, &nRetFormat );
 130
 131                 if ( ERRCODE_NONE != nImpRet )
 132                 {
 133                     if ( !pStream )
 134                         nImpRet = rFilter.CanImportGraphic( aObj, GRFILTER_FORMAT_DONTKNOW, &nRetFormat );
 135                     else
 136                         nImpRet = rFilter.CanImportGraphic( aObj.GetMainURL( INetURLObject::DecodeMechanism::NONE ), *pStream,
 137                                                              GRFILTER_FORMAT_DONTKNOW, &nRetFormat );
 138                 }
 139             }
 140             else
 141             {
 142                 nImpRet = rFilter.CanImportGraphic( aObj, nFormatNum, &nRetFormat );
 143                 if( nImpRet != ERRCODE_NONE )
 144                     nImpRet = rFilter.CanImportGraphic( aObj, GRFILTER_FORMAT_DONTKNOW, &nRetFormat );
 145             }
 146
 147             if ( ERRCODE_NONE == nImpRet )
 148                 nFound = nRetFormat;
 149
 150             // could not load?
 151             if ( nFound == USHRT_MAX )
 152             {
 153                 std::unique_ptr<weld::MessageDialog> xWarn(Application::CreateMessageDialog(nullptr,
 154                                                            VclMessageType::Warning, VclButtonsType::NONE,
 155                                                            SfxResId(SvxOpenGrfErr2ResId(nImpRet))));
 156                 xWarn->add_button(GetStandardText(StandardButtonType::Retry), RET_RETRY);
 157                 xWarn->add_button(GetStandardText(StandardButtonType::Cancel), RET_CANCEL);
 158                 bQuitLoop = xWarn->run() != RET_RETRY;
 159             }
 160             else
 161             {
 162                 if( rFilter.GetImportFormatCount() )
 163                 {
 164                     // store detected appropriate filter
 165                     OUString aFormatName(rFilter.GetImportFormatName(nFound));
 166                     SetDetectedFilter(aFormatName);
 167                 }
 168                 else
 169                 {
 170                     SetDetectedFilter(mpImpl->aFileDlg.GetCurrentFilter());
 171                 }
 172
 173                 return nImpRet;
 174             }
 175         }
 176     }
 177
 178     // cancel
 179     return ErrCode(sal_uInt32(-1));
 180 }
 181
 182
 183 void SvxOpenGraphicDialog::SetPath( const OUString& rPath, bool bLinkState )
 184 {
 185     mpImpl->aFileDlg.SetDisplayDirectory(rPath);
 186     AsLink(bLinkState);
 187 }
 188
 189
 190 void SvxOpenGraphicDialog::EnableLink( bool state )
 191 {
 192     if( !mpImpl->xCtrlAcc.is() )
 193         return;
 194
 195     try
 196     {
 197         mpImpl->xCtrlAcc->enableControl( ExtendedFilePickerElementIds::CHECKBOX_LINK, state );
 198     }
 199     catch(const IllegalArgumentException&)
 200     {
 201 #ifdef DBG_UTIL
 202         OSL_FAIL( "Cannot enable \"link\" checkbox" );
 203 #endif
 204     }
 205 }
 206
 207
 208 void SvxOpenGraphicDialog::AsLink(bool bState)
 209 {
 210     if( !mpImpl->xCtrlAcc.is() )
 211         return;
 212
 213     try
 214     {
 215         mpImpl->xCtrlAcc->setValue( ExtendedFilePickerElementIds::CHECKBOX_LINK, 0, Any(bState) );
 216     }
 217     catch(const IllegalArgumentException&)
 218     {
 219 #ifdef DBG_UTIL
 220         OSL_FAIL( "Cannot check \"link\" checkbox" );
 221 #endif
 222     }
 223 }
 224
 225
 226 bool SvxOpenGraphicDialog::IsAsLink() const
 227 {
 228     try
 229     {
 230         if( mpImpl->xCtrlAcc.is() )
 231         {
 232             Any aVal = mpImpl->xCtrlAcc->getValue( ExtendedFilePickerElementIds::CHECKBOX_LINK, 0 );
 233             DBG_ASSERT(aVal.hasValue(), "Value CBX_INSERT_AS_LINK not found");
 234             return aVal.hasValue() && *o3tl::doAccess<bool>(aVal);
 235         }
 236     }
 237     catch(const IllegalArgumentException&)
 238     {
 239 #ifdef DBG_UTIL
 240         OSL_FAIL( "Cannot access \"link\" checkbox" );
 241 #endif
 242     }
 243
 244     return false;
 245 }
 246
 247 ErrCode SvxOpenGraphicDialog::GetGraphic(Graphic& rGraphic) const
 248 {
 249     return mpImpl->aFileDlg.GetGraphic(rGraphic);
 250 }
 251
 252 OUString SvxOpenGraphicDialog::GetPath() const
 253 {
 254     return mpImpl->aFileDlg.GetPath();
 255 }
 256
 257 OUString SvxOpenGraphicDialog::GetCurrentFilter() const
 258 {
 259     return mpImpl->aFileDlg.GetCurrentFilter();
 260 }
 261
 262 OUString const & SvxOpenGraphicDialog::GetDetectedFilter() const
 263 {
 264     return mpImpl->sDetectedFilter;
 265 }
 266
 267 void SvxOpenGraphicDialog::SetCurrentFilter(const OUString& rStr)
 268 {
 269     mpImpl->aFileDlg.SetCurrentFilter(rStr);
 270 }
 271
 272 void SvxOpenGraphicDialog::SetDetectedFilter(const OUString& rStr)
 273 {
 274     mpImpl->sDetectedFilter = rStr;
 275 }
 276
 277 Reference<ui::dialogs::XFilePickerControlAccess> const & SvxOpenGraphicDialog::GetFilePickerControlAccess() const
 278 {
 279     return mpImpl->xCtrlAcc;
 280 }
 281
 282 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */