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 // Copyright:   (c) Ryan Norton
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 // For compilers that support precompilation, includes "wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #if wxUSE_FILEDLG
  23
  24 #include "wx/filedlg.h"
  25
  26 #ifndef WX_PRECOMP
  27     #include "wx/msgdlg.h"
  28     #include "wx/app.h"
  29 #endif
  30
  31 #include "wx/filename.h"
  32
  33 #include "wx/cocoa/autorelease.h"
  34 #include "wx/cocoa/string.h"
  35 #include "wx/modalhook.h"
  36
  37 #import <AppKit/NSOpenPanel.h>
  38 #import <AppKit/NSSavePanel.h>
  39
  40 #import <Foundation/NSArray.h>
  41 // ============================================================================
  42 // implementation
  43 // ============================================================================
  44
  45 IMPLEMENT_CLASS(wxCocoaFileDialog, wxFileDialogBase)
  46
  47 // ----------------------------------------------------------------------------
  48 // wxFileDialog
  49 // ----------------------------------------------------------------------------
  50
  51 wxFileDialog::wxFileDialog(wxWindow *parent,
  52                            const wxString& message,
  53                            const wxString& defaultDir,
  54                            const wxString& defaultFileName,
  55                            const wxString& wildCard,
  56                            long style,
  57                            const wxPoint& pos,
  58                            const wxSize& sz,
  59                            const wxString& name)
  60             : wxFileDialogBase(parent, message, defaultDir, defaultFileName,
  61                                wildCard, style, pos, sz, name)
  62 {
  63     wxTopLevelWindows.Append(this);
  64
  65     wxASSERT(CreateBase(parent,wxID_ANY,pos,wxDefaultSize,style,wxDefaultValidator,wxDialogNameStr));
  66
  67     if ( parent )
  68         parent->AddChild(this);
  69
  70     m_cocoaNSWindow = nil;
  71     m_cocoaNSView = nil;
  72
  73     //Init the wildcard array
  74     m_wildcards = [[NSMutableArray alloc] initWithCapacity:0];
  75
  76     //If the user requests to save - use a NSSavePanel
  77     //else use a NSOpenPanel
  78     if (HasFlag(wxFD_SAVE))
  79     {
  80         SetNSPanel([NSSavePanel savePanel]);
  81
  82         [GetNSSavePanel() setTitle:wxNSStringWithWxString(message)];
  83
  84         [GetNSSavePanel() setPrompt:@"Save"];
  85         [GetNSSavePanel() setTreatsFilePackagesAsDirectories:YES];
  86         [GetNSSavePanel() setCanSelectHiddenExtension:YES];
  87
  88 //        Cached as per-app in obj-c
  89 //        [GetNSSavePanel() setExtensionHidden:YES];
  90
  91         //
  92         // NB:  Note that only Panther supports wildcards
  93         // with save dialogs - not that wildcards in save
  94         // dialogs are all that useful, anyway :)
  95         //
  96     }
  97     else //m_dialogStyle & wxFD_OPEN
  98     {
  99         SetNSPanel([NSOpenPanel openPanel]);
 100         [m_cocoaNSWindow setTitle:wxNSStringWithWxString(message)];
 101
 102         [(NSOpenPanel*)m_cocoaNSWindow setAllowsMultipleSelection:(HasFlag(wxFD_MULTIPLE))];
 103         [(NSOpenPanel*)m_cocoaNSWindow setResolvesAliases:YES];
 104         [(NSOpenPanel*)m_cocoaNSWindow setCanChooseFiles:YES];
 105         [(NSOpenPanel*)m_cocoaNSWindow setCanChooseDirectories:NO];
 106         [GetNSSavePanel() setPrompt:@"Open"];
 107
 108         //convert wildcards - open panel only takes file extensions -
 109         //no actual wildcards here :)
 110         size_t lastwcpos = 0;
 111         bool bDescription = true;
 112         size_t i;
 113         for(i = wildCard.find('|');
 114                 i != wxString::npos;
 115                 i = wildCard.find('|', lastwcpos+1))
 116         {
 117             size_t oldi = i;
 118
 119             if(!bDescription)
 120             {
 121                 bDescription = !bDescription;
 122
 123                 //work backwards looking for a period
 124                 while(i != lastwcpos && wildCard[--i] != '.') {}
 125
 126                 if(i == lastwcpos)
 127                 {
 128                     //no extension - can't use this wildcard
 129                     lastwcpos = oldi;
 130                     continue;
 131                 }
 132
 133                 [m_wildcards addObject:wxNSStringWithWxString(wildCard.substr(i+1, oldi-i-1))];
 134             }
 135             else
 136                 bDescription = !bDescription;
 137             lastwcpos = oldi;
 138         }
 139
 140         if (!bDescription)
 141         {
 142             //get last wildcard
 143             size_t oldi = wildCard.length();
 144             i = oldi;
 145
 146             //work backwards looking for a period
 147             while(i != lastwcpos && wildCard[--i] != '.') {}
 148
 149             if(i != lastwcpos)
 150                 [m_wildcards addObject:wxNSStringWithWxString(wildCard.substr(i+1, oldi-i-1))];
 151         }
 152
 153         if ([m_wildcards count] == 0)
 154         {
 155             [m_wildcards release];
 156             m_wildcards = nil;
 157         }
 158     }
 159 }
 160
 161 wxFileDialog::~wxFileDialog()
 162 {
 163     [m_wildcards release];
 164 }
 165
 166 void wxFileDialog::GetPaths(wxArrayString& paths) const
 167 {
 168     paths.Empty();
 169
 170     wxString dir(m_dir);
 171     if ( m_dir.Last() != wxT('\\') )
 172         dir += wxT('\\');
 173
 174     size_t count = m_fileNames.GetCount();
 175     for ( size_t n = 0; n < count; n++ )
 176     {
 177         if (wxFileName(m_fileNames[n]).IsAbsolute())
 178             paths.Add(m_fileNames[n]);
 179         else
 180             paths.Add(dir + m_fileNames[n]);
 181     }
 182 }
 183
 184 void wxFileDialog::GetFilenames(wxArrayString& files) const
 185 {
 186     files = m_fileNames;
 187 }
 188
 189 void wxFileDialog::SetPath(const wxString& path)
 190 {
 191     wxString ext;
 192     wxFileName::SplitPath(path, &m_dir, &m_fileName, &ext);
 193     if ( !ext.empty() )
 194         m_fileName << wxT('.') << ext;
 195 }
 196
 197 int wxFileDialog::ShowModal()
 198 {
 199     WX_HOOK_MODAL_DIALOG();
 200
 201     wxAutoNSAutoreleasePool thePool;
 202
 203     m_fileNames.Empty();
 204
 205     int nResult;
 206
 207     if (HasFlag(wxFD_SAVE))
 208     {
 209         nResult = [GetNSSavePanel()
 210                     runModalForDirectory:wxNSStringWithWxString(m_dir)
 211                     file:wxNSStringWithWxString(m_fileName)];
 212
 213         if (nResult == NSOKButton)
 214         {
 215             m_fileNames.Add(wxStringWithNSString([GetNSSavePanel() filename]));
 216             m_path = m_fileNames[0];
 217         }
 218     }
 219     else //m_dialogStyle & wxFD_OPEN
 220     {
 221         nResult = [(NSOpenPanel*)m_cocoaNSWindow
 222                     runModalForDirectory:wxNSStringWithWxString(m_dir)
 223                     file:wxNSStringWithWxString(m_fileName)
 224                     types:m_wildcards];
 225
 226         if (nResult == NSOKButton)
 227         {
 228             for(unsigned i = 0; i < [[(NSOpenPanel*)m_cocoaNSWindow filenames] count]; ++i)
 229             {
 230                 m_fileNames.Add(wxStringWithNSString([[(NSOpenPanel*)m_cocoaNSWindow filenames] objectAtIndex:(i)]));
 231             }
 232
 233             m_path = m_fileNames[0];
 234         }
 235     }
 236
 237     return nResult == NSOKButton ? wxID_OK : wxID_CANCEL;
 238 }
 239
 240 #endif // wxUSE_FILEDLG