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 #include "wx/tokenzr.h"
  34
  35 #include "wx/osx/private.h"
  36
  37 // ============================================================================
  38 // implementation
  39 // ============================================================================
  40
  41 // Open Items:
  42 // - support for old style MacOS creator / type combos
  43 // - parameter support for descending into packages as directories (setTreatsFilePackagesAsDirectories)
  44
  45 IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase)
  46
  47 wxFileDialog::wxFileDialog(
  48     wxWindow *parent, const wxString& message,
  49     const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
  50     long style, const wxPoint& pos, const wxSize& sz, const wxString& name)
  51     : wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, pos, sz, name)
  52 {
  53 }
  54
  55 bool wxFileDialog::SupportsExtraControl() const
  56 {
  57     return true;
  58 }
  59
  60 NSArray* CopyTypesFromFilter( const wxString filter )
  61 {
  62     NSMutableArray* types = nil;
  63     if ( !filter.empty() )
  64     {
  65         wxArrayString names ;
  66         wxArrayString extensions;
  67
  68         wxString filter2(filter) ;
  69         int filterIndex = 0;
  70         bool isName = true ;
  71         wxString current ;
  72
  73         for ( unsigned int i = 0; i < filter2.length() ; i++ )
  74         {
  75             if ( filter2.GetChar(i) == wxT('|') )
  76             {
  77                 if ( isName )
  78                 {
  79                     names.Add( current ) ;
  80                 }
  81                 else
  82                 {
  83                     extensions.Add( current ) ;
  84                     ++filterIndex ;
  85                 }
  86
  87                 isName = !isName ;
  88                 current = wxEmptyString ;
  89             }
  90             else
  91             {
  92                 current += filter2.GetChar(i) ;
  93             }
  94         }
  95         // we allow for compatibility reason to have a single filter expression (like *.*) without
  96         // an explanatory text, in that case the first part is name and extension at the same time
  97
  98         wxASSERT_MSG( filterIndex == 0 || !isName , wxT("incorrect format of format string") ) ;
  99         if ( current.empty() )
 100             extensions.Add( names[filterIndex] ) ;
 101         else
 102             extensions.Add( current ) ;
 103         if ( filterIndex == 0 || isName )
 104             names.Add( current ) ;
 105
 106         ++filterIndex ;
 107
 108         const size_t extCount = extensions.GetCount();
 109         for ( size_t i = 0 ; i < extCount; i++ )
 110         {
 111             wxString extensiongroup = extensions[i];
 112             wxStringTokenizer tokenizer( extensiongroup , wxT(";") ) ;
 113             while ( tokenizer.HasMoreTokens() )
 114             {
 115                 wxString extension = tokenizer.GetNextToken() ;
 116                 // Remove leading '*'
 117                 if (extension.length() && (extension.GetChar(0) == '*'))
 118                     extension = extension.Mid( 1 );
 119
 120                 // Remove leading '.'
 121                 if (extension.length() && (extension.GetChar(0) == '.'))
 122                     extension = extension.Mid( 1 );
 123
 124                 // Remove leading '*', this is for handling *.*
 125                 if (extension.length() && (extension.GetChar(0) == '*'))
 126                     extension = extension.Mid( 1 );
 127
 128                 if ( extension.IsEmpty() )
 129                 {
 130                     [types release];
 131                     types = nil;
 132                     return nil;
 133                 }
 134
 135                 if ( types == nil )
 136                     types = [[NSMutableArray alloc] init];
 137
 138                 wxCFStringRef cfext(extension);
 139                 [types addObject: (NSString*)cfext.AsNSString()  ];
 140 #if 0
 141                 // add support for classic fileType / creator here
 142                 wxUint32 fileType, creator;
 143                 // extension -> mactypes
 144 #endif
 145             }
 146
 147         }
 148     }
 149     return types;
 150 }
 151
 152 void wxFileDialog::ShowWindowModal()
 153 {
 154     wxCFStringRef cf( m_message );
 155     wxCFStringRef dir( m_dir );
 156     wxCFStringRef file( m_fileName );
 157
 158     wxNonOwnedWindow* parentWindow = NULL;
 159
 160     m_modality = wxDIALOG_MODALITY_WINDOW_MODAL;
 161
 162     if (GetParent())
 163         parentWindow = dynamic_cast<wxNonOwnedWindow*>(wxGetTopLevelParent(GetParent()));
 164
 165     wxASSERT_MSG(parentWindow, "Window modal display requires parent.");
 166
 167     NSArray* types = CopyTypesFromFilter( m_wildCard ) ;
 168     if (HasFlag(wxFD_SAVE))
 169     {
 170         NSSavePanel* sPanel = [NSSavePanel savePanel];
 171
 172         SetupExtraControls(sPanel);
 173
 174         // makes things more convenient:
 175         [sPanel setCanCreateDirectories:YES];
 176         [sPanel setMessage:cf.AsNSString()];
 177         // if we should be able to descend into pacakges we must somehow
 178         // be able to pass this in
 179         [sPanel setTreatsFilePackagesAsDirectories:NO];
 180         [sPanel setCanSelectHiddenExtension:YES];
 181         [sPanel setAllowedFileTypes:types];
 182         [sPanel setAllowsOtherFileTypes:NO];
 183
 184         NSWindow* nativeParent = parentWindow->GetWXWindow();
 185         ModalDialogDelegate* sheetDelegate = [[ModalDialogDelegate alloc] init];
 186         [sheetDelegate setImplementation: this];
 187         [sPanel beginSheetForDirectory:dir.AsNSString() file:file.AsNSString()
 188             modalForWindow: nativeParent modalDelegate: sheetDelegate
 189             didEndSelector: @selector(sheetDidEnd:returnCode:contextInfo:)
 190             contextInfo: nil];
 191     }
 192     else
 193     {
 194         NSOpenPanel* oPanel = [NSOpenPanel openPanel];
 195
 196         SetupExtraControls(oPanel);
 197
 198         [oPanel setTreatsFilePackagesAsDirectories:NO];
 199         [oPanel setCanChooseDirectories:NO];
 200         [oPanel setResolvesAliases:YES];
 201         [oPanel setCanChooseFiles:YES];
 202         [oPanel setMessage:cf.AsNSString()];
 203         [oPanel setAllowsMultipleSelection: (HasFlag(wxFD_MULTIPLE) ? YES : NO )];
 204
 205         NSWindow* nativeParent = parentWindow->GetWXWindow();
 206         ModalDialogDelegate* sheetDelegate = [[ModalDialogDelegate alloc] init];
 207         [sheetDelegate setImplementation: this];
 208         [oPanel beginSheetForDirectory:dir.AsNSString() file:file.AsNSString()
 209             types: types modalForWindow: nativeParent
 210             modalDelegate: sheetDelegate
 211             didEndSelector: @selector(sheetDidEnd:returnCode:contextInfo:)
 212             contextInfo: nil];
 213     }
 214     [types release];
 215     types = nil;
 216 }
 217
 218 void wxFileDialog::SetupExtraControls(WXWindow nativeWindow)
 219 {
 220     NSSavePanel* panel = (NSSavePanel*) nativeWindow;
 221
 222     wxNonOwnedWindow::Create( GetParent(), nativeWindow );
 223
 224     if (HasExtraControlCreator())
 225     {
 226         CreateExtraControl();
 227         wxWindow* control = GetExtraControl();
 228         if ( control )
 229         {
 230             NSView* accView = control->GetHandle();
 231             [accView removeFromSuperview];
 232             [panel setAccessoryView:accView];
 233         }
 234         else
 235         {
 236             [panel setAccessoryView:nil];
 237         }
 238     }
 239 }
 240
 241 int wxFileDialog::ShowModal()
 242 {
 243     wxCFStringRef cf( m_message );
 244
 245     wxCFStringRef dir( m_dir );
 246     wxCFStringRef file( m_fileName );
 247
 248     m_path = wxEmptyString;
 249     m_fileNames.Clear();
 250     m_paths.Clear();
 251     // since we don't support retrieving the matching filter
 252     m_filterIndex = -1;
 253
 254     wxNonOwnedWindow* parentWindow = NULL;
 255     int returnCode = -1;
 256
 257     if (GetParent())
 258     {
 259         parentWindow = dynamic_cast<wxNonOwnedWindow*>(wxGetTopLevelParent(GetParent()));
 260     }
 261
 262     NSArray* types = CopyTypesFromFilter( m_wildCard ) ;
 263     if (HasFlag(wxFD_SAVE))
 264     {
 265         NSSavePanel* sPanel = [NSSavePanel savePanel];
 266
 267         SetupExtraControls(sPanel);
 268
 269         // makes things more convenient:
 270         [sPanel setCanCreateDirectories:YES];
 271         [sPanel setMessage:cf.AsNSString()];
 272         // if we should be able to descend into pacakges we must somehow
 273         // be able to pass this in
 274         [sPanel setTreatsFilePackagesAsDirectories:NO];
 275         [sPanel setCanSelectHiddenExtension:YES];
 276         [sPanel setAllowedFileTypes:types];
 277         [sPanel setAllowsOtherFileTypes:NO];
 278
 279         if ( HasFlag(wxFD_OVERWRITE_PROMPT) )
 280         {
 281         }
 282
 283         returnCode = [sPanel runModalForDirectory:dir.AsNSString() file:file.AsNSString() ];
 284         ModalFinishedCallback(sPanel, returnCode);
 285
 286         UnsubclassWin();
 287         [sPanel setAccessoryView:nil];
 288     }
 289     else
 290     {
 291         NSOpenPanel* oPanel = [NSOpenPanel openPanel];
 292
 293         SetupExtraControls(oPanel);
 294
 295         [oPanel setTreatsFilePackagesAsDirectories:NO];
 296         [oPanel setCanChooseDirectories:NO];
 297         [oPanel setResolvesAliases:YES];
 298         [oPanel setCanChooseFiles:YES];
 299         [oPanel setMessage:cf.AsNSString()];
 300         [oPanel setAllowsMultipleSelection: (HasFlag(wxFD_MULTIPLE) ? YES : NO )];
 301
 302         if ( UMAGetSystemVersion() < 0x1060 )
 303         {
 304             returnCode = [oPanel runModalForDirectory:dir.AsNSString()
 305                         file:file.AsNSString() types:types];
 306         }
 307         else
 308         {
 309             [oPanel setAllowedFileTypes:types];
 310             [oPanel setDirectoryURL:[NSURL fileURLWithPath:dir.AsNSString()
 311                                                isDirectory:YES]];
 312             returnCode = [oPanel runModal];
 313         }
 314
 315         ModalFinishedCallback(oPanel, returnCode);
 316
 317         UnsubclassWin();
 318         [oPanel setAccessoryView:nil];
 319
 320     }
 321     [types release];
 322     types = nil;
 323
 324     return GetReturnCode();
 325 }
 326
 327 void wxFileDialog::ModalFinishedCallback(void* panel, int returnCode)
 328 {
 329     int result = wxID_CANCEL;
 330     if (HasFlag(wxFD_SAVE))
 331     {
 332         if (returnCode == NSOKButton )
 333         {
 334             NSSavePanel* sPanel = (NSSavePanel*)panel;
 335             result = wxID_OK;
 336
 337             m_path = wxCFStringRef::AsString([sPanel filename]);
 338             m_fileName = wxFileNameFromPath(m_path);
 339             m_dir = wxPathOnly( m_path );
 340         }
 341     }
 342     else
 343     {
 344         NSOpenPanel* oPanel = (NSOpenPanel*)panel;
 345         if (returnCode == NSOKButton )
 346         {
 347             panel = oPanel;
 348             result = wxID_OK;
 349             NSArray* filenames = [oPanel filenames];
 350             for ( size_t i = 0 ; i < [filenames count] ; ++ i )
 351             {
 352                 wxString fnstr = wxCFStringRef::AsString([filenames objectAtIndex:i]);
 353                 m_paths.Add( fnstr );
 354                 m_fileNames.Add( wxFileNameFromPath(fnstr) );
 355                 if ( i == 0 )
 356                 {
 357                     m_path = fnstr;
 358                     m_fileName = wxFileNameFromPath(fnstr);
 359                     m_dir = wxPathOnly( fnstr );
 360                 }
 361             }
 362         }
 363     }
 364     SetReturnCode(result);
 365
 366     if (GetModality() == wxDIALOG_MODALITY_WINDOW_MODAL)
 367         SendWindowModalDialogEvent ( wxEVT_WINDOW_MODAL_DIALOG_CLOSED  );
 368
 369     [(NSSavePanel*) panel setAccessoryView:nil];
 370 }
 371
 372 #endif // wxUSE_FILEDLG