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 IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase)
  41
  42 wxFileDialog::wxFileDialog(
  43     wxWindow *parent, const wxString& message,
  44     const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
  45     long style, const wxPoint& pos, const wxSize& sz, const wxString& name)
  46     : wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, pos, sz, name)
  47 {
  48 }
  49
  50
  51 NSArray* GetTypesFromFilter( const wxString filter )
  52 {
  53     NSMutableArray* types = nil;
  54     if ( !filter.empty() )
  55     {
  56         wxArrayString names ;
  57         wxArrayString extensions;
  58
  59         wxString filter2(filter) ;
  60         int filterIndex = 0;
  61         bool isName = true ;
  62         wxString current ;
  63
  64         for ( unsigned int i = 0; i < filter2.length() ; i++ )
  65         {
  66             if ( filter2.GetChar(i) == wxT('|') )
  67             {
  68                 if ( isName )
  69                 {
  70                     names.Add( current ) ;
  71                 }
  72                 else
  73                 {
  74                     extensions.Add( current ) ;
  75                     ++filterIndex ;
  76                 }
  77
  78                 isName = !isName ;
  79                 current = wxEmptyString ;
  80             }
  81             else
  82             {
  83                 current += filter2.GetChar(i) ;
  84             }
  85         }
  86         // we allow for compatibility reason to have a single filter expression (like *.*) without
  87         // an explanatory text, in that case the first part is name and extension at the same time
  88
  89         wxASSERT_MSG( filterIndex == 0 || !isName , wxT("incorrect format of format string") ) ;
  90         if ( current.empty() )
  91             extensions.Add( names[filterIndex] ) ;
  92         else
  93             extensions.Add( current ) ;
  94         if ( filterIndex == 0 || isName )
  95             names.Add( current ) ;
  96
  97         ++filterIndex ;
  98
  99         const size_t extCount = extensions.GetCount();
 100         for ( size_t i = 0 ; i < extCount; i++ )
 101         {
 102             wxString extension = extensions[i];
 103
 104             // Remove leading '*'
 105             if (extension.length() && (extension.GetChar(0) == '*'))
 106                 extension = extension.Mid( 1 );
 107
 108             // Remove leading '.'
 109             if (extension.length() && (extension.GetChar(0) == '.'))
 110                 extension = extension.Mid( 1 );
 111
 112             if ( extension.IsEmpty() )
 113             {
 114                 if ( types != nil )
 115                     [types release];
 116                 return nil;
 117             }
 118
 119
 120             if ( types == nil )
 121                 types = [[NSMutableArray alloc] init];
 122
 123             wxCFStringRef cfext(extension);
 124             [types addObject: (NSString*)cfext.AsNSString()  ];
 125 #if 0
 126             wxUint32 fileType, creator;
 127
 128             // extension -> mactypes
 129 #endif
 130         }
 131     }
 132     return types;
 133 }
 134
 135 int wxFileDialog::ShowModal()
 136 {
 137     int result = wxID_CANCEL;
 138
 139     NSSavePanel *panel = nil;
 140
 141     wxCFStringRef cf( m_message );
 142
 143     wxCFStringRef dir( m_dir );
 144     wxCFStringRef file( m_fileName );
 145
 146     m_path = wxEmptyString;
 147     m_fileNames.Clear();
 148
 149     if (HasFlag(wxFD_SAVE))
 150     {
 151         NSSavePanel* sPanel = [NSSavePanel savePanel];
 152         // makes things more convenient:
 153         [sPanel setCanCreateDirectories:YES];
 154         [sPanel setMessage:cf.AsNSString()];
 155         [sPanel setTreatsFilePackagesAsDirectories:NO];
 156
 157         if ( HasFlag(wxFD_OVERWRITE_PROMPT) )
 158         {
 159         }
 160
 161         if ( [sPanel runModalForDirectory:dir.AsNSString() file:file.AsNSString() ] == NSOKButton )
 162         {
 163             panel = sPanel;
 164             result = wxID_OK;
 165
 166             wxCFStringRef filename( [[sPanel filename] retain] );
 167
 168             m_path = filename.AsString();
 169             m_fileName = wxFileNameFromPath(m_path);
 170             m_dir = wxPathOnly( m_path );
 171         }
 172     }
 173     else
 174     {
 175         NSArray* types = GetTypesFromFilter( m_wildCard ) ;
 176         NSOpenPanel* oPanel = [NSOpenPanel openPanel];
 177         [oPanel setTreatsFilePackagesAsDirectories:NO];
 178         [oPanel setCanChooseDirectories:NO];
 179         [oPanel setResolvesAliases:YES];
 180         [oPanel setCanChooseFiles:YES];
 181         [oPanel setMessage:cf.AsNSString()];
 182
 183         if ( [oPanel runModalForDirectory:dir.AsNSString() file:file.AsNSString() types:types] == NSOKButton )
 184         {
 185             panel = oPanel;
 186             result = wxID_OK;
 187             NSArray* filenames = [oPanel filenames];
 188             for ( size_t i = 0 ; i < [filenames count] ; ++ i )
 189             {
 190                 wxCFStringRef filename( [(NSString*) [filenames objectAtIndex:i] retain] );
 191                 wxString fnstr = filename.AsString();
 192                 m_paths.Add( fnstr );
 193                 m_fileNames.Add( wxFileNameFromPath(fnstr) );
 194                 if ( i == 0 )
 195                 {
 196                     m_path = fnstr;
 197                     m_fileName = wxFileNameFromPath(fnstr);
 198                     m_dir = wxPathOnly( fnstr );
 199                 }
 200             }
 201         }
 202         if ( types != nil )
 203             [types release];
 204     }
 205
 206     return result;
 207 }
 208
 209 #if 0
 210
 211     wxASSERT(CreateBase(parent,wxID_ANY,pos,wxDefaultSize,style,wxDefaultValidator,wxDialogNameStr));
 212
 213     if ( parent )
 214         parent->AddChild(this);
 215
 216     m_cocoaNSWindow = nil;
 217     m_cocoaNSView = nil;
 218
 219     //Init the wildcard array
 220     m_wildcards = [[NSMutableArray alloc] initWithCapacity:0];
 221
 222     //If the user requests to save - use a NSSavePanel
 223     //else use a NSOpenPanel
 224     if (HasFlag(wxFD_SAVE))
 225     {
 226         SetNSPanel([NSSavePanel savePanel]);
 227
 228         [GetNSSavePanel() setTitle:wxNSStringWithWxString(message)];
 229
 230         [GetNSSavePanel() setPrompt:@"Save"];
 231         [GetNSSavePanel() setTreatsFilePackagesAsDirectories:YES];
 232         [GetNSSavePanel() setCanSelectHiddenExtension:YES];
 233
 234 //        Cached as per-app in obj-c
 235 //        [GetNSSavePanel() setExtensionHidden:YES];
 236
 237         //
 238         // NB:  Note that only Panther supports wildcards
 239         // with save dialogs - not that wildcards in save
 240         // dialogs are all that useful, anyway :)
 241         //
 242     }
 243     else //m_dialogStyle & wxFD_OPEN
 244     {
 245         SetNSPanel([NSOpenPanel openPanel]);
 246         [m_cocoaNSWindow setTitle:wxNSStringWithWxString(message)];
 247
 248         [(NSOpenPanel*)m_cocoaNSWindow setAllowsMultipleSelection:(HasFlag(wxFD_MULTIPLE))];
 249         [(NSOpenPanel*)m_cocoaNSWindow setResolvesAliases:YES];
 250         [(NSOpenPanel*)m_cocoaNSWindow setCanChooseFiles:YES];
 251         [(NSOpenPanel*)m_cocoaNSWindow setCanChooseDirectories:NO];
 252         [GetNSSavePanel() setPrompt:@"Open"];
 253
 254         //convert wildcards - open panel only takes file extensions -
 255         //no actual wildcards here :)
 256         size_t lastwcpos = 0;
 257         bool bDescription = true;
 258         size_t i;
 259         for(i = wildCard.find('|');
 260                 i != wxString::npos;
 261                 i = wildCard.find('|', lastwcpos+1))
 262         {
 263             size_t oldi = i;
 264
 265             if(!bDescription)
 266             {
 267                 bDescription = !bDescription;
 268
 269                 //work backwards looking for a period
 270                 while(i != lastwcpos && wildCard[--i] != '.') {}
 271
 272                 if(i == lastwcpos)
 273                 {
 274                     //no extension - can't use this wildcard
 275                     lastwcpos = oldi;
 276                     continue;
 277                 }
 278
 279                 [m_wildcards addObject:wxNSStringWithWxString(wildCard.substr(i+1, oldi-i-1))];
 280             }
 281             else
 282                 bDescription = !bDescription;
 283             lastwcpos = oldi;
 284         }
 285
 286         if (!bDescription)
 287         {
 288             //get last wildcard
 289             size_t oldi = wildCard.length();
 290             i = oldi;
 291
 292             //work backwards looking for a period
 293             while(i != lastwcpos && wildCard[--i] != '.') {}
 294
 295             if(i != lastwcpos)
 296                 [m_wildcards addObject:wxNSStringWithWxString(wildCard.substr(i+1, oldi-i-1))];
 297         }
 298
 299         if ([m_wildcards count] == 0)
 300         {
 301             [m_wildcards release];
 302             m_wildcards = nil;
 303         }
 304     }
 305 }
 306
 307 wxFileDialog::~wxFileDialog()
 308 {
 309     [m_wildcards release];
 310 }
 311
 312 void wxFileDialog::GetPaths(wxArrayString& paths) const
 313 {
 314     paths.Empty();
 315
 316     wxString dir(m_dir);
 317     if ( m_dir.Last() != _T('\\') )
 318         dir += _T('\\');
 319
 320     size_t count = m_fileNames.GetCount();
 321     for ( size_t n = 0; n < count; n++ )
 322     {
 323         if (wxFileName(m_fileNames[n]).IsAbsolute())
 324             paths.Add(m_fileNames[n]);
 325         else
 326             paths.Add(dir + m_fileNames[n]);
 327     }
 328 }
 329
 330 void wxFileDialog::GetFilenames(wxArrayString& files) const
 331 {
 332     files = m_fileNames;
 333 }
 334
 335 void wxFileDialog::SetPath(const wxString& path)
 336 {
 337     wxString ext;
 338     wxFileName::SplitPath(path, &m_dir, &m_fileName, &ext);
 339     if ( !ext.empty() )
 340         m_fileName << _T('.') << ext;
 341 }
 342
 343 int wxFileDialog::ShowModal()
 344 {
 345     wxAutoNSAutoreleasePool thePool;
 346
 347     m_fileNames.Empty();
 348
 349     int nResult;
 350
 351     if (HasFlag(wxFD_SAVE))
 352     {
 353         nResult = [GetNSSavePanel()
 354                     runModalForDirectory:wxNSStringWithWxString(m_dir)
 355                     file:wxNSStringWithWxString(m_fileName)];
 356
 357         if (nResult == NSOKButton)
 358         {
 359             m_fileNames.Add(wxStringWithNSString([GetNSSavePanel() filename]));
 360             m_path = m_fileNames[0];
 361         }
 362     }
 363     else //m_dialogStyle & wxFD_OPEN
 364     {
 365         nResult = [(NSOpenPanel*)m_cocoaNSWindow
 366                     runModalForDirectory:wxNSStringWithWxString(m_dir)
 367                     file:wxNSStringWithWxString(m_fileName)
 368                     types:m_wildcards];
 369
 370         if (nResult == NSOKButton)
 371         {
 372             for(unsigned i = 0; i < [[(NSOpenPanel*)m_cocoaNSWindow filenames] count]; ++i)
 373             {
 374                 m_fileNames.Add(wxStringWithNSString([[(NSOpenPanel*)m_cocoaNSWindow filenames] objectAtIndex:(i)]));
 375             }
 376
 377             m_path = m_fileNames[0];
 378         }
 379     }
 380
 381     return nResult == NSOKButton ? wxID_OK : wxID_CANCEL;
 382 }
 383
 384 #endif
 385
 386 #endif // wxUSE_FILEDLG