src/osx/cocoa/filedlg.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/cocoa/filedlg.mm
   3 // Purpose:     wxFileDialog for wxCocoa
   4 // Author:      Ryan Norton
   5 // Modified by:
   6 // Created:     2004-10-02
   7 // RCS-ID:      $Id: filedlg.mm 40007 2006-07-05 13:10:46Z SC $
   8 // Copyright:   (c) Ryan Norton
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #if wxUSE_FILEDLG
  24
  25 #include "wx/filedlg.h"
  26
  27 #ifndef WX_PRECOMP
  28     #include "wx/msgdlg.h"
  29     #include "wx/app.h"
  30 #endif
  31
  32 #include "wx/filename.h"
  33
  34 #include "wx/osx/private.h"
  35
  36 // ============================================================================
  37 // implementation
  38 // ============================================================================
  39
  40 // Open Items:
  41 // - support for old style MacOS creator / type combos
  42 // - parameter support for descending into packages as directories (setTreatsFilePackagesAsDirectories)
  43
  44 IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase)
  45
  46 wxFileDialog::wxFileDialog(
  47     wxWindow *parent, const wxString& message,
  48     const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
  49     long style, const wxPoint& pos, const wxSize& sz, const wxString& name)
  50     : wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, pos, sz, name)
  51 {
  52 }
  53
  54
  55 NSArray* GetTypesFromFilter( const wxString filter )
  56 {
  57     NSMutableArray* types = nil;
  58     if ( !filter.empty() )
  59     {
  60         wxArrayString names ;
  61         wxArrayString extensions;
  62
  63         wxString filter2(filter) ;
  64         int filterIndex = 0;
  65         bool isName = true ;
  66         wxString current ;
  67
  68         for ( unsigned int i = 0; i < filter2.length() ; i++ )
  69         {
  70             if ( filter2.GetChar(i) == wxT('|') )
  71             {
  72                 if ( isName )
  73                 {
  74                     names.Add( current ) ;
  75                 }
  76                 else
  77                 {
  78                     extensions.Add( current ) ;
  79                     ++filterIndex ;
  80                 }
  81
  82                 isName = !isName ;
  83                 current = wxEmptyString ;
  84             }
  85             else
  86             {
  87                 current += filter2.GetChar(i) ;
  88             }
  89         }
  90         // we allow for compatibility reason to have a single filter expression (like *.*) without
  91         // an explanatory text, in that case the first part is name and extension at the same time
  92
  93         wxASSERT_MSG( filterIndex == 0 || !isName , wxT("incorrect format of format string") ) ;
  94         if ( current.empty() )
  95             extensions.Add( names[filterIndex] ) ;
  96         else
  97             extensions.Add( current ) ;
  98         if ( filterIndex == 0 || isName )
  99             names.Add( current ) ;
 100
 101         ++filterIndex ;
 102
 103         const size_t extCount = extensions.GetCount();
 104         for ( size_t i = 0 ; i < extCount; i++ )
 105         {
 106             wxString extension = extensions[i];
 107
 108             // Remove leading '*'
 109             if (extension.length() && (extension.GetChar(0) == '*'))
 110                 extension = extension.Mid( 1 );
 111
 112             // Remove leading '.'
 113             if (extension.length() && (extension.GetChar(0) == '.'))
 114                 extension = extension.Mid( 1 );
 115
 116             if ( extension.IsEmpty() )
 117             {
 118                 if ( types != nil )
 119                     [types release];
 120                 return nil;
 121             }
 122
 123
 124             if ( types == nil )
 125                 types = [[NSMutableArray alloc] init];
 126
 127             wxCFStringRef cfext(extension);
 128             [types addObject: (NSString*)cfext.AsNSString()  ];
 129 #if 0
 130             // add support for classic fileType / creator here
 131             wxUint32 fileType, creator;
 132             // extension -> mactypes
 133 #endif
 134         }
 135     }
 136     return types;
 137 }
 138
 139 int wxFileDialog::ShowModal()
 140 {
 141     int result = wxID_CANCEL;
 142
 143     NSSavePanel *panel = nil;
 144
 145     wxCFStringRef cf( m_message );
 146
 147     wxCFStringRef dir( m_dir );
 148     wxCFStringRef file( m_fileName );
 149
 150     m_path = wxEmptyString;
 151     m_fileNames.Clear();
 152
 153     if (HasFlag(wxFD_SAVE))
 154     {
 155         NSSavePanel* sPanel = [NSSavePanel savePanel];
 156         // makes things more convenient:
 157         [sPanel setCanCreateDirectories:YES];
 158         [sPanel setMessage:cf.AsNSString()];
 159         // if we should be able to descend into pacakges we must somehow
 160         // be able to pass this in
 161         [sPanel setTreatsFilePackagesAsDirectories:NO];
 162         [sPanel setCanSelectHiddenExtension:YES];
 163
 164         if ( HasFlag(wxFD_OVERWRITE_PROMPT) )
 165         {
 166         }
 167
 168         if ( [sPanel runModalForDirectory:dir.AsNSString() file:file.AsNSString() ] == NSOKButton )
 169         {
 170             panel = sPanel;
 171             result = wxID_OK;
 172
 173             wxCFStringRef filename( [[sPanel filename] retain] );
 174
 175             m_path = filename.AsString();
 176             m_fileName = wxFileNameFromPath(m_path);
 177             m_dir = wxPathOnly( m_path );
 178         }
 179     }
 180     else
 181     {
 182         NSArray* types = GetTypesFromFilter( m_wildCard ) ;
 183         NSOpenPanel* oPanel = [NSOpenPanel openPanel];
 184         [oPanel setTreatsFilePackagesAsDirectories:NO];
 185         [oPanel setCanChooseDirectories:NO];
 186         [oPanel setResolvesAliases:YES];
 187         [oPanel setCanChooseFiles:YES];
 188         [oPanel setMessage:cf.AsNSString()];
 189
 190         if ( [oPanel runModalForDirectory:dir.AsNSString() file:file.AsNSString() types:types] == NSOKButton )
 191         {
 192             panel = oPanel;
 193             result = wxID_OK;
 194             NSArray* filenames = [oPanel filenames];
 195             for ( size_t i = 0 ; i < [filenames count] ; ++ i )
 196             {
 197                 wxCFStringRef filename( [(NSString*) [filenames objectAtIndex:i] retain] );
 198                 wxString fnstr = filename.AsString();
 199                 m_paths.Add( fnstr );
 200                 m_fileNames.Add( wxFileNameFromPath(fnstr) );
 201                 if ( i == 0 )
 202                 {
 203                     m_path = fnstr;
 204                     m_fileName = wxFileNameFromPath(fnstr);
 205                     m_dir = wxPathOnly( fnstr );
 206                 }
 207             }
 208         }
 209         if ( types != nil )
 210             [types release];
 211     }
 212
 213     return result;
 214 }
 215
 216 #endif // wxUSE_FILEDLG