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