src/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:      $Id$
   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/cocoa/autorelease.h"
  35 #include "wx/cocoa/string.h"
  36 #include "wx/modalhook.h"
  37
  38 #import <AppKit/NSOpenPanel.h>
  39 #import <AppKit/NSSavePanel.h>
  40
  41 #import <Foundation/NSArray.h>
  42 // ============================================================================
  43 // implementation
  44 // ============================================================================
  45
  46 IMPLEMENT_CLASS(wxCocoaFileDialog, wxFileDialogBase)
  47
  48 // ----------------------------------------------------------------------------
  49 // wxFileDialog
  50 // ----------------------------------------------------------------------------
  51
  52 wxFileDialog::wxFileDialog(wxWindow *parent,
  53                            const wxString& message,
  54                            const wxString& defaultDir,
  55                            const wxString& defaultFileName,
  56                            const wxString& wildCard,
  57                            long style,
  58                            const wxPoint& pos,
  59                            const wxSize& sz,
  60                            const wxString& name)
  61             : wxFileDialogBase(parent, message, defaultDir, defaultFileName,
  62                                wildCard, style, pos, sz, name)
  63 {
  64     wxTopLevelWindows.Append(this);
  65
  66     wxASSERT(CreateBase(parent,wxID_ANY,pos,wxDefaultSize,style,wxDefaultValidator,wxDialogNameStr));
  67
  68     if ( parent )
  69         parent->AddChild(this);
  70
  71     m_cocoaNSWindow = nil;
  72     m_cocoaNSView = nil;
  73
  74     //Init the wildcard array
  75     m_wildcards = [[NSMutableArray alloc] initWithCapacity:0];
  76
  77     //If the user requests to save - use a NSSavePanel
  78     //else use a NSOpenPanel
  79     if (HasFlag(wxFD_SAVE))
  80     {
  81         SetNSPanel([NSSavePanel savePanel]);
  82
  83         [GetNSSavePanel() setTitle:wxNSStringWithWxString(message)];
  84
  85         [GetNSSavePanel() setPrompt:@"Save"];
  86         [GetNSSavePanel() setTreatsFilePackagesAsDirectories:YES];
  87         [GetNSSavePanel() setCanSelectHiddenExtension:YES];
  88
  89 //        Cached as per-app in obj-c
  90 //        [GetNSSavePanel() setExtensionHidden:YES];
  91
  92         //
  93         // NB:  Note that only Panther supports wildcards
  94         // with save dialogs - not that wildcards in save
  95         // dialogs are all that useful, anyway :)
  96         //
  97     }
  98     else //m_dialogStyle & wxFD_OPEN
  99     {
 100         SetNSPanel([NSOpenPanel openPanel]);
 101         [m_cocoaNSWindow setTitle:wxNSStringWithWxString(message)];
 102
 103         [(NSOpenPanel*)m_cocoaNSWindow setAllowsMultipleSelection:(HasFlag(wxFD_MULTIPLE))];
 104         [(NSOpenPanel*)m_cocoaNSWindow setResolvesAliases:YES];
 105         [(NSOpenPanel*)m_cocoaNSWindow setCanChooseFiles:YES];
 106         [(NSOpenPanel*)m_cocoaNSWindow setCanChooseDirectories:NO];
 107         [GetNSSavePanel() setPrompt:@"Open"];
 108
 109         //convert wildcards - open panel only takes file extensions -
 110         //no actual wildcards here :)
 111         size_t lastwcpos = 0;
 112         bool bDescription = true;
 113         size_t i;
 114         for(i = wildCard.find('|');
 115                 i != wxString::npos;
 116                 i = wildCard.find('|', lastwcpos+1))
 117         {
 118             size_t oldi = i;
 119
 120             if(!bDescription)
 121             {
 122                 bDescription = !bDescription;
 123
 124                 //work backwards looking for a period
 125                 while(i != lastwcpos && wildCard[--i] != '.') {}
 126
 127                 if(i == lastwcpos)
 128                 {
 129                     //no extension - can't use this wildcard
 130                     lastwcpos = oldi;
 131                     continue;
 132                 }
 133
 134                 [m_wildcards addObject:wxNSStringWithWxString(wildCard.substr(i+1, oldi-i-1))];
 135             }
 136             else
 137                 bDescription = !bDescription;
 138             lastwcpos = oldi;
 139         }
 140
 141         if (!bDescription)
 142         {
 143             //get last wildcard
 144             size_t oldi = wildCard.length();
 145             i = oldi;
 146
 147             //work backwards looking for a period
 148             while(i != lastwcpos && wildCard[--i] != '.') {}
 149
 150             if(i != lastwcpos)
 151                 [m_wildcards addObject:wxNSStringWithWxString(wildCard.substr(i+1, oldi-i-1))];
 152         }
 153
 154         if ([m_wildcards count] == 0)
 155         {
 156             [m_wildcards release];
 157             m_wildcards = nil;
 158         }
 159     }
 160 }
 161
 162 wxFileDialog::~wxFileDialog()
 163 {
 164     [m_wildcards release];
 165 }
 166
 167 void wxFileDialog::GetPaths(wxArrayString& paths) const
 168 {
 169     paths.Empty();
 170
 171     wxString dir(m_dir);
 172     if ( m_dir.Last() != wxT('\\') )
 173         dir += wxT('\\');
 174
 175     size_t count = m_fileNames.GetCount();
 176     for ( size_t n = 0; n < count; n++ )
 177     {
 178         if (wxFileName(m_fileNames[n]).IsAbsolute())
 179             paths.Add(m_fileNames[n]);
 180         else
 181             paths.Add(dir + m_fileNames[n]);
 182     }
 183 }
 184
 185 void wxFileDialog::GetFilenames(wxArrayString& files) const
 186 {
 187     files = m_fileNames;
 188 }
 189
 190 void wxFileDialog::SetPath(const wxString& path)
 191 {
 192     wxString ext;
 193     wxFileName::SplitPath(path, &m_dir, &m_fileName, &ext);
 194     if ( !ext.empty() )
 195         m_fileName << wxT('.') << ext;
 196 }
 197
 198 int wxFileDialog::ShowModal()
 199 {
 200     WX_HOOK_MODAL_DIALOG();
 201
 202     wxAutoNSAutoreleasePool thePool;
 203
 204     m_fileNames.Empty();
 205
 206     int nResult;
 207
 208     if (HasFlag(wxFD_SAVE))
 209     {
 210         nResult = [GetNSSavePanel()
 211                     runModalForDirectory:wxNSStringWithWxString(m_dir)
 212                     file:wxNSStringWithWxString(m_fileName)];
 213
 214         if (nResult == NSOKButton)
 215         {
 216             m_fileNames.Add(wxStringWithNSString([GetNSSavePanel() filename]));
 217             m_path = m_fileNames[0];
 218         }
 219     }
 220     else //m_dialogStyle & wxFD_OPEN
 221     {
 222         nResult = [(NSOpenPanel*)m_cocoaNSWindow
 223                     runModalForDirectory:wxNSStringWithWxString(m_dir)
 224                     file:wxNSStringWithWxString(m_fileName)
 225                     types:m_wildcards];
 226
 227         if (nResult == NSOKButton)
 228         {
 229             for(unsigned i = 0; i < [[(NSOpenPanel*)m_cocoaNSWindow filenames] count]; ++i)
 230             {
 231                 m_fileNames.Add(wxStringWithNSString([[(NSOpenPanel*)m_cocoaNSWindow filenames] objectAtIndex:(i)]));
 232             }
 233
 234             m_path = m_fileNames[0];
 235         }
 236     }
 237
 238     return nResult == NSOKButton ? wxID_OK : wxID_CANCEL;
 239 }
 240
 241 #endif // wxUSE_FILEDLG