-// ----------------------------------------------------------------------------
-// File history (a.k.a. MRU, most recently used, files list)
-// ----------------------------------------------------------------------------
-
-wxFileHistory::wxFileHistory(size_t maxFiles, wxWindowID idBase)
-{
- m_fileMaxFiles = maxFiles;
- m_idBase = idBase;
-}
-
-void wxFileHistory::AddFileToHistory(const wxString& file)
-{
- // check if we don't already have this file
- const wxFileName fnNew(file);
- size_t i,
- numFiles = m_fileHistory.size();
- for ( i = 0; i < numFiles; i++ )
- {
- if ( fnNew == m_fileHistory[i] )
- {
- // we do have it, move it to the top of the history
- RemoveFileFromHistory(i);
- numFiles--;
- break;
- }
- }
-
- // if we already have a full history, delete the one at the end
- if ( numFiles == m_fileMaxFiles )
- {
- RemoveFileFromHistory(--numFiles);
- }
- else // add a new menu item to all file menus (will be updated below)
- {
- for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
- node;
- node = node->GetNext() )
- {
- wxMenu * const menu = (wxMenu *)node->GetData();
-
- if ( !numFiles && menu->GetMenuItemCount() )
- menu->AppendSeparator();
-
- // label doesn't matter, it will be set below anyhow, but it can't
- // be empty (this is supposed to indicate a stock item)
- menu->Append(m_idBase + numFiles, " ");
- }
- }
-
-
- // insert the new file in the beginning of the file history
- m_fileHistory.insert(m_fileHistory.begin(), file);
- numFiles++;
-
- // update the labels in all menus
- for ( i = 0; i < numFiles; i++ )
- {
- // if in same directory just show the filename; otherwise the full path
- const wxFileName fnOld(m_fileHistory[i]);
-
- wxString pathInMenu;
- if ( fnOld.GetPath() == fnNew.GetPath() )
- {
- pathInMenu = fnOld.GetFullName();
- }
- else // file in different directory
- {
- // absolute path; could also set relative path
- pathInMenu = m_fileHistory[i];
- }
-
- for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
- node;
- node = node->GetNext() )
- {
- wxMenu * const menu = (wxMenu *)node->GetData();
-
- menu->SetLabel(m_idBase + i, GetMRUEntryLabel(i, pathInMenu));
- }
- }
-}
-
-void wxFileHistory::RemoveFileFromHistory(size_t i)
-{
- size_t numFiles = m_fileHistory.size();
- wxCHECK_RET( i < numFiles,
- wxT("invalid index in wxFileHistory::RemoveFileFromHistory") );
-
- // delete the element from the array
- m_fileHistory.RemoveAt(i);
- numFiles--;
-
- for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
- node;
- node = node->GetNext() )
- {
- wxMenu * const menu = (wxMenu *) node->GetData();
-
- // shift filenames up
- for ( size_t j = i; j < numFiles; j++ )
- {
- menu->SetLabel(m_idBase + j, GetMRUEntryLabel(j, m_fileHistory[j]));
- }
-
- // delete the last menu item which is unused now
- const wxWindowID lastItemId = m_idBase + numFiles;
- if ( menu->FindItem(lastItemId) )
- menu->Delete(lastItemId);
-
- // delete the last separator too if no more files are left
- if ( m_fileHistory.empty() )
- {
- const wxMenuItemList::compatibility_iterator
- nodeLast = menu->GetMenuItems().GetLast();
- if ( nodeLast )
- {
- wxMenuItem * const lastMenuItem = nodeLast->GetData();
- if ( lastMenuItem->IsSeparator() )
- menu->Delete(lastMenuItem);
- }
- //else: menu is empty somehow
- }
- }
-}
-
-void wxFileHistory::UseMenu(wxMenu *menu)
-{
- if ( !m_fileMenus.Member(menu) )
- m_fileMenus.Append(menu);
-}
-
-void wxFileHistory::RemoveMenu(wxMenu *menu)
-{
- m_fileMenus.DeleteObject(menu);
-}
-
-#if wxUSE_CONFIG
-void wxFileHistory::Load(const wxConfigBase& config)
-{
- m_fileHistory.Clear();
-
- wxString buf;
- buf.Printf(wxT("file%d"), 1);
-
- wxString historyFile;
- while ((m_fileHistory.GetCount() < m_fileMaxFiles) &&
- config.Read(buf, &historyFile) && !historyFile.empty())
- {
- m_fileHistory.Add(historyFile);
-
- buf.Printf(wxT("file%d"), (int)m_fileHistory.GetCount()+1);
- historyFile = wxEmptyString;
- }
-
- AddFilesToMenu();
-}
-
-void wxFileHistory::Save(wxConfigBase& config)
-{
- size_t i;
- for (i = 0; i < m_fileMaxFiles; i++)
- {
- wxString buf;
- buf.Printf(wxT("file%d"), (int)i+1);
- if (i < m_fileHistory.GetCount())
- config.Write(buf, wxString(m_fileHistory[i]));
- else
- config.Write(buf, wxEmptyString);
- }
-}
-#endif // wxUSE_CONFIG
-
-void wxFileHistory::AddFilesToMenu()
-{
- if ( m_fileHistory.empty() )
- return;
-
- for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
- node;
- node = node->GetNext() )
- {
- AddFilesToMenu((wxMenu *) node->GetData());
- }
-}
-
-void wxFileHistory::AddFilesToMenu(wxMenu* menu)
-{
- if ( m_fileHistory.empty() )
- return;
-
- if ( menu->GetMenuItemCount() )
- menu->AppendSeparator();
-
- for ( size_t i = 0; i < m_fileHistory.GetCount(); i++ )
- {
- menu->Append(m_idBase + i, GetMRUEntryLabel(i, m_fileHistory[i]));
- }
-}
-
projects / wxWidgets.git / blobdiff