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         if ( HasFlag(wxFD_MULTIPLE) )
 204             [oPanel setAllowsMultipleSelection:YES];
 205
 206         NSWindow* nativeParent = parentWindow->GetWXWindow();
 207         ModalDialogDelegate* sheetDelegate = [[ModalDialogDelegate alloc] init];
 208         [sheetDelegate setImplementation: this];
 209         [oPanel beginSheetForDirectory:dir.AsNSString() file:file.AsNSString()
 210             types: types modalForWindow: nativeParent
 211             modalDelegate: sheetDelegate
 212             didEndSelector: @selector(sheetDidEnd:returnCode:contextInfo:)
 213             contextInfo: nil];
 214     }
 215     [types release];
 216     types = nil;
 217 }
 218
 219 void wxFileDialog::SetupExtraControls(WXWindow nativeWindow)
 220 {
 221     NSSavePanel* panel = (NSSavePanel*) nativeWindow;
 222
 223     wxNonOwnedWindow::Create( GetParent(), nativeWindow );
 224
 225     if (HasExtraControlCreator())
 226     {
 227         CreateExtraControl();
 228         wxWindow* control = GetExtraControl();
 229         if ( control )
 230         {
 231             NSView* accView = control->GetHandle();
 232             [accView removeFromSuperview];
 233             [panel setAccessoryView:accView];
 234         }
 235         else
 236         {
 237             [panel setAccessoryView:nil];
 238         }
 239     }
 240 }
 241
 242 int wxFileDialog::ShowModal()
 243 {
 244     wxCFStringRef cf( m_message );
 245
 246     wxCFStringRef dir( m_dir );
 247     wxCFStringRef file( m_fileName );
 248
 249     m_path = wxEmptyString;
 250     m_fileNames.Clear();
 251     m_paths.Clear();
 252     // since we don't support retrieving the matching filter
 253     m_filterIndex = -1;
 254
 255     wxNonOwnedWindow* parentWindow = NULL;
 256     int returnCode = -1;
 257
 258     if (GetParent())
 259     {
 260         parentWindow = dynamic_cast<wxNonOwnedWindow*>(wxGetTopLevelParent(GetParent()));
 261     }
 262
 263     NSArray* types = CopyTypesFromFilter( m_wildCard ) ;
 264     if (HasFlag(wxFD_SAVE))
 265     {
 266         NSSavePanel* sPanel = [NSSavePanel savePanel];
 267
 268         SetupExtraControls(sPanel);
 269
 270         // makes things more convenient:
 271         [sPanel setCanCreateDirectories:YES];
 272         [sPanel setMessage:cf.AsNSString()];
 273         // if we should be able to descend into pacakges we must somehow
 274         // be able to pass this in
 275         [sPanel setTreatsFilePackagesAsDirectories:NO];
 276         [sPanel setCanSelectHiddenExtension:YES];
 277         [sPanel setAllowedFileTypes:types];
 278         [sPanel setAllowsOtherFileTypes:NO];
 279
 280         if ( HasFlag(wxFD_OVERWRITE_PROMPT) )
 281         {
 282         }
 283
 284         returnCode = [sPanel runModalForDirectory:dir.AsNSString() file:file.AsNSString() ];
 285         ModalFinishedCallback(sPanel, returnCode);
 286
 287         UnsubclassWin();
 288         [sPanel setAccessoryView:nil];
 289     }
 290     else
 291     {
 292         NSOpenPanel* oPanel = [NSOpenPanel openPanel];
 293
 294         SetupExtraControls(oPanel);
 295
 296         [oPanel setTreatsFilePackagesAsDirectories:NO];
 297         [oPanel setCanChooseDirectories:NO];
 298         [oPanel setResolvesAliases:YES];
 299         [oPanel setCanChooseFiles:YES];
 300         [oPanel setMessage:cf.AsNSString()];
 301         if ( HasFlag(wxFD_MULTIPLE) )
 302             [oPanel setAllowsMultipleSelection:YES];
 303
 304         returnCode = [oPanel runModalForDirectory:dir.AsNSString()
 305                         file:file.AsNSString() types:types];
 306
 307         ModalFinishedCallback(oPanel, returnCode);
 308
 309         UnsubclassWin();
 310         [oPanel setAccessoryView:nil];
 311
 312     }
 313     [types release];
 314     types = nil;
 315
 316     return GetReturnCode();
 317 }
 318
 319 void wxFileDialog::ModalFinishedCallback(void* panel, int returnCode)
 320 {
 321     int result = wxID_CANCEL;
 322     if (HasFlag(wxFD_SAVE))
 323     {
 324         if (returnCode == NSOKButton )
 325         {
 326             NSSavePanel* sPanel = (NSSavePanel*)panel;
 327             result = wxID_OK;
 328
 329             m_path = wxCFStringRef::AsString([sPanel filename]);
 330             m_fileName = wxFileNameFromPath(m_path);
 331             m_dir = wxPathOnly( m_path );
 332         }
 333     }
 334     else
 335     {
 336         NSOpenPanel* oPanel = (NSOpenPanel*)panel;
 337         if (returnCode == NSOKButton )
 338         {
 339             panel = oPanel;
 340             result = wxID_OK;
 341             NSArray* filenames = [oPanel filenames];
 342             for ( size_t i = 0 ; i < [filenames count] ; ++ i )
 343             {
 344                 wxString fnstr = wxCFStringRef::AsString([filenames objectAtIndex:i]);
 345                 m_paths.Add( fnstr );
 346                 m_fileNames.Add( wxFileNameFromPath(fnstr) );
 347                 if ( i == 0 )
 348                 {
 349                     m_path = fnstr;
 350                     m_fileName = wxFileNameFromPath(fnstr);
 351                     m_dir = wxPathOnly( fnstr );
 352                 }
 353             }
 354         }
 355     }
 356     SetReturnCode(result);
 357
 358     if (GetModality() == wxDIALOG_MODALITY_WINDOW_MODAL)
 359         SendWindowModalDialogEvent ( wxEVT_WINDOW_MODAL_DIALOG_CLOSED  );
 360
 361     [(NSSavePanel*) panel setAccessoryView:nil];
 362 }
 363
 364 #endif // wxUSE_FILEDLG