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 NSArray* GetTypesFromFilter( const wxString filter )
  55 {
  56     NSMutableArray* types = nil;
  57     if ( !filter.empty() )
  58     {
  59         wxArrayString names ;
  60         wxArrayString extensions;
  61
  62         wxString filter2(filter) ;
  63         int filterIndex = 0;
  64         bool isName = true ;
  65         wxString current ;
  66
  67         for ( unsigned int i = 0; i < filter2.length() ; i++ )
  68         {
  69             if ( filter2.GetChar(i) == wxT('|') )
  70             {
  71                 if ( isName )
  72                 {
  73                     names.Add( current ) ;
  74                 }
  75                 else
  76                 {
  77                     extensions.Add( current ) ;
  78                     ++filterIndex ;
  79                 }
  80
  81                 isName = !isName ;
  82                 current = wxEmptyString ;
  83             }
  84             else
  85             {
  86                 current += filter2.GetChar(i) ;
  87             }
  88         }
  89         // we allow for compatibility reason to have a single filter expression (like *.*) without
  90         // an explanatory text, in that case the first part is name and extension at the same time
  91
  92         wxASSERT_MSG( filterIndex == 0 || !isName , wxT("incorrect format of format string") ) ;
  93         if ( current.empty() )
  94             extensions.Add( names[filterIndex] ) ;
  95         else
  96             extensions.Add( current ) ;
  97         if ( filterIndex == 0 || isName )
  98             names.Add( current ) ;
  99
 100         ++filterIndex ;
 101
 102         const size_t extCount = extensions.GetCount();
 103         for ( size_t i = 0 ; i < extCount; i++ )
 104         {
 105             wxString extension = extensions[i];
 106
 107             // Remove leading '*'
 108             if (extension.length() && (extension.GetChar(0) == '*'))
 109                 extension = extension.Mid( 1 );
 110
 111             // Remove leading '.'
 112             if (extension.length() && (extension.GetChar(0) == '.'))
 113                 extension = extension.Mid( 1 );
 114
 115             if ( extension.IsEmpty() )
 116             {
 117                 if ( types != nil )
 118                     [types release];
 119                 return nil;
 120             }
 121
 122
 123             if ( types == nil )
 124                 types = [[NSMutableArray alloc] init];
 125
 126             wxCFStringRef cfext(extension);
 127             [types addObject: (NSString*)cfext.AsNSString()  ];
 128 #if 0
 129             // add support for classic fileType / creator here
 130             wxUint32 fileType, creator;
 131             // extension -> mactypes
 132 #endif
 133         }
 134     }
 135     return types;
 136 }
 137
 138 int wxFileDialog::ShowModal()
 139 {
 140     int result = wxID_CANCEL;
 141
 142     NSSavePanel *panel = nil;
 143
 144     wxCFStringRef cf( m_message );
 145
 146     wxCFStringRef dir( m_dir );
 147     wxCFStringRef file( m_fileName );
 148
 149     m_path = wxEmptyString;
 150     m_fileNames.Clear();
 151
 152     wxNonOwnedWindow* parentWindow = NULL;
 153     int returnCode = -1;
 154
 155     if (GetParent())
 156     {
 157         parentWindow = dynamic_cast<wxNonOwnedWindow*>(wxGetTopLevelParent(GetParent()));
 158     }
 159
 160     if (HasFlag(wxFD_SAVE))
 161     {
 162         NSSavePanel* sPanel = [NSSavePanel savePanel];
 163         // makes things more convenient:
 164         [sPanel setCanCreateDirectories:YES];
 165         [sPanel setMessage:cf.AsNSString()];
 166         // if we should be able to descend into pacakges we must somehow
 167         // be able to pass this in
 168         [sPanel setTreatsFilePackagesAsDirectories:NO];
 169         [sPanel setCanSelectHiddenExtension:YES];
 170
 171         if ( HasFlag(wxFD_OVERWRITE_PROMPT) )
 172         {
 173         }
 174
 175         if (parentWindow)
 176         {
 177             NSWindow* nativeParent = parentWindow->GetWXWindow();
 178             ModalDialogDelegate* sheetDelegate = [[ModalDialogDelegate alloc] init];
 179             [sPanel beginSheetForDirectory:dir.AsNSString() file:file.AsNSString()
 180                 modalForWindow: nativeParent modalDelegate: sheetDelegate
 181                 didEndSelector: @selector(sheetDidEnd:returnCode:contextInfo:)
 182                 contextInfo: nil];
 183             [sheetDelegate waitForSheetToFinish];
 184             returnCode = [sheetDelegate code];
 185             [sheetDelegate release];
 186         }
 187         else
 188         {
 189             returnCode = [sPanel runModalForDirectory:dir.AsNSString() file:file.AsNSString() ];
 190         }
 191
 192         if (returnCode == NSOKButton )
 193         {
 194             panel = sPanel;
 195             result = wxID_OK;
 196
 197             wxCFStringRef filename( [[sPanel filename] retain] );
 198
 199             m_path = filename.AsString();
 200             m_fileName = wxFileNameFromPath(m_path);
 201             m_dir = wxPathOnly( m_path );
 202         }
 203     }
 204     else
 205     {
 206         NSArray* types = GetTypesFromFilter( m_wildCard ) ;
 207         NSOpenPanel* oPanel = [NSOpenPanel openPanel];
 208         [oPanel setTreatsFilePackagesAsDirectories:NO];
 209         [oPanel setCanChooseDirectories:NO];
 210         [oPanel setResolvesAliases:YES];
 211         [oPanel setCanChooseFiles:YES];
 212         [oPanel setMessage:cf.AsNSString()];
 213
 214         if (parentWindow)
 215         {
 216             NSWindow* nativeParent = parentWindow->GetWXWindow();
 217             ModalDialogDelegate* sheetDelegate = [[ModalDialogDelegate alloc] init];
 218             [oPanel beginSheetForDirectory:dir.AsNSString() file:file.AsNSString()
 219                 types: types modalForWindow: nativeParent
 220                 modalDelegate: sheetDelegate
 221                 didEndSelector: @selector(sheetDidEnd:returnCode:contextInfo:)
 222                 contextInfo: nil];
 223             [sheetDelegate waitForSheetToFinish];
 224             returnCode = [sheetDelegate code];
 225             [sheetDelegate release];
 226         }
 227         else
 228         {
 229             returnCode = [oPanel runModalForDirectory:dir.AsNSString()
 230                         file:file.AsNSString() types:types];
 231         }
 232         if (returnCode == NSOKButton )
 233         {
 234             panel = oPanel;
 235             result = wxID_OK;
 236             NSArray* filenames = [oPanel filenames];
 237             for ( size_t i = 0 ; i < [filenames count] ; ++ i )
 238             {
 239                 wxCFStringRef filename( [(NSString*) [filenames objectAtIndex:i] retain] );
 240                 wxString fnstr = filename.AsString();
 241                 m_paths.Add( fnstr );
 242                 m_fileNames.Add( wxFileNameFromPath(fnstr) );
 243                 if ( i == 0 )
 244                 {
 245                     m_path = fnstr;
 246                     m_fileName = wxFileNameFromPath(fnstr);
 247                     m_dir = wxPathOnly( fnstr );
 248                 }
 249             }
 250         }
 251         if ( types != nil )
 252             [types release];
 253     }
 254
 255     return result;
 256 }
 257
 258 #endif // wxUSE_FILEDLG