svtools/source/contnr/foldertree.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
  10 #include <comphelper/processfactory.hxx>
  11 #include <svtools/foldertree.hxx>
  12 #include <toolkit/helper/vclunohelper.hxx>
  13 #include <tools/urlobj.hxx>
  14 #include <ucbhelper/commandenvironment.hxx>
  15 #include <vcl/dialog.hxx>
  16 #include <vcl/treelistentry.hxx>
  17 #include <vcl/ptrstyle.hxx>
  18 #include <com/sun/star/task/InteractionHandler.hpp>
  19 #include "contentenumeration.hxx"
  20 #include <bitmaps.hlst>
  21
  22 using namespace ::com::sun::star::task;
  23
  24 FolderTree::FolderTree( vcl::Window* pParent, WinBits nBits )
  25     : SvTreeListBox( pParent, nBits | WB_SORT | WB_TABSTOP )
  26 {
  27     Reference< XComponentContext > xContext = ::comphelper::getProcessComponentContext();
  28     Reference< XInteractionHandler > xInteractionHandler(
  29                 InteractionHandler::createWithParent(xContext, VCLUnoHelper::GetInterface(GetParentDialog())), UNO_QUERY_THROW );
  30     m_xEnv = new ::ucbhelper::CommandEnvironment( xInteractionHandler, Reference< XProgressHandler >() );
  31
  32     Image aFolderImage(StockImage::Yes, RID_BMP_FOLDER);
  33     Image aFolderExpandedImage(StockImage::Yes, RID_BMP_FOLDER_OPEN);
  34     SetDefaultCollapsedEntryBmp( aFolderImage );
  35     SetDefaultExpandedEntryBmp( aFolderExpandedImage );
  36 }
  37
  38 void FolderTree::RequestingChildren( SvTreeListEntry* pEntry )
  39 {
  40     EnableChildPointerOverwrite( true );
  41     SetPointer( PointerStyle::Wait );
  42     Invalidate(InvalidateFlags::Update);
  43
  44     FillTreeEntry( pEntry );
  45
  46     SetPointer( PointerStyle::Arrow );
  47     EnableChildPointerOverwrite( false );
  48 }
  49
  50 void FolderTree::FillTreeEntry( SvTreeListEntry* pEntry )
  51 {
  52     if( !pEntry )
  53         return;
  54
  55     OUString* pURL = static_cast< OUString* >( pEntry->GetUserData() );
  56
  57     if( pURL && m_sLastUpdatedDir != *pURL )
  58     {
  59         while (SvTreeListEntry* pChild = FirstChild(pEntry))
  60         {
  61             GetModel()->Remove(pChild);
  62         }
  63
  64         ::std::vector< std::unique_ptr<SortingData_Impl> > aContent;
  65
  66         ::rtl::Reference< ::svt::FileViewContentEnumerator >
  67             xContentEnumerator(new FileViewContentEnumerator(
  68             m_xEnv, aContent, m_aMutex));
  69
  70         FolderDescriptor aFolder( *pURL );
  71
  72         EnumerationResult eResult =
  73             xContentEnumerator->enumerateFolderContentSync( aFolder, m_aBlackList );
  74
  75         if ( EnumerationResult::SUCCESS == eResult )
  76         {
  77             for(auto & i : aContent)
  78             {
  79                 if( i->mbIsFolder )
  80                 {
  81                     SvTreeListEntry* pNewEntry = InsertEntry( i->GetTitle(), pEntry, true );
  82
  83                     OUString* sData = new OUString( i->maTargetURL );
  84                     pNewEntry->SetUserData( static_cast< void* >( sData ) );
  85                 }
  86             }
  87         }
  88     }
  89     else
  90     {
  91         // this dir was updated recently
  92         // next time read this remote folder
  93         m_sLastUpdatedDir.clear();
  94     }
  95 }
  96
  97 void FolderTree::FillTreeEntry( const OUString & rUrl, const ::std::vector< std::pair< OUString, OUString > >& rFolders )
  98 {
  99     SetTreePath( rUrl );
 100
 101     SvTreeListEntry* pParent = GetCurEntry();
 102
 103     if( !(pParent && !IsExpanded( pParent )) )
 104         return;
 105
 106     while (SvTreeListEntry* pChild = FirstChild(pParent))
 107     {
 108         GetModel()->Remove(pChild);
 109     }
 110
 111     for (auto const& folder : rFolders)
 112     {
 113         SvTreeListEntry* pNewEntry = InsertEntry( folder.first, pParent, true  );
 114         OUString* sData = new OUString( folder.second );
 115         pNewEntry->SetUserData( static_cast< void* >( sData ) );
 116     }
 117
 118     m_sLastUpdatedDir = rUrl;
 119     Expand( pParent );
 120 }
 121
 122 void FolderTree::SetTreePath( OUString const & sUrl )
 123 {
 124     INetURLObject aUrl( sUrl );
 125     aUrl.setFinalSlash();
 126
 127     OUString sPath = aUrl.GetURLPath( INetURLObject::DecodeMechanism::WithCharset );
 128
 129     SvTreeListEntry* pEntry = First();
 130     bool end = false;
 131
 132     while( pEntry && !end )
 133     {
 134         if( pEntry->GetUserData() )
 135         {
 136             OUString sNodeUrl = *static_cast< OUString* >( pEntry->GetUserData() );
 137
 138             INetURLObject aUrlObj( sNodeUrl );
 139             aUrlObj.setFinalSlash();
 140
 141             sNodeUrl = aUrlObj.GetURLPath( INetURLObject::DecodeMechanism::WithCharset );
 142
 143             if( sPath == sNodeUrl )
 144             {
 145                 Select( pEntry );
 146                 end = true;
 147             }
 148             else if( sPath.startsWith( sNodeUrl ) )
 149             {
 150                 if( !IsExpanded( pEntry ) )
 151                     Expand( pEntry );
 152
 153                 pEntry = FirstChild( pEntry );
 154             }
 155             else
 156             {
 157                 pEntry = pEntry->NextSibling();
 158             }
 159         }
 160         else
 161             break;
 162     }
 163 }
 164
 165 void FolderTree::SetBlackList( const css::uno::Sequence< OUString >& rBlackList )
 166 {
 167     m_aBlackList = rBlackList;
 168 }
 169
 170 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */