Don't allow specifying the directory in the former and do check for the directory existence in the latter. Also update the file shown in the dialog in SetFilename(). Closes #16685.
		
			
				
	
	
		
			293 lines
		
	
	
		
			8.7 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
	
	
			
		
		
	
	
			293 lines
		
	
	
		
			8.7 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
	
	
| /////////////////////////////////////////////////////////////////////////////
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| // Name:        filectrl.h
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| // Purpose:     interface of wxFileCtrl
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| // Author:      wxWidgets team
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| // Licence:     wxWindows licence
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| /////////////////////////////////////////////////////////////////////////////
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| 
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| enum
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| {
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|     wxFC_OPEN              = 0x0001,
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|     wxFC_SAVE              = 0x0002,
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|     wxFC_MULTIPLE          = 0x0004,
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|     wxFC_NOSHOWHIDDEN      = 0x0008
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| };
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| 
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| #define wxFC_DEFAULT_STYLE wxFC_OPEN
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| 
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| /**
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|     @class wxFileCtrl
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| 
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|     This control allows the user to select a file.
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| 
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|     Two implementations of this class exist, one for Gtk and another generic
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|     one for all the other ports.
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| 
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|     This class is only available if @c wxUSE_FILECTRL is set to 1.
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| 
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|     @beginStyleTable
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|     @style{wxFC_DEFAULT_STYLE}
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|            The default style: wxFC_OPEN
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|     @style{wxFC_OPEN}
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|            Creates an file control suitable for opening files. Cannot be
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|            combined with wxFC_SAVE.
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|     @style{wxFC_SAVE}
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|            Creates an file control suitable for saving files. Cannot be
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|            combined with wxFC_OPEN.
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|     @style{wxFC_MULTIPLE}
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|            For open control only, Allows selecting multiple files. Cannot be
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|            combined with wxFC_SAVE
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|     @style{wxFC_NOSHOWHIDDEN}
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|            Hides the "Show Hidden Files" checkbox (Generic only)
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|     @endStyleTable
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| 
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|     @beginEventEmissionTable{wxFileCtrlEvent}
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|     @event{EVT_FILECTRL_FILEACTIVATED(id, func)}
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|         The user activated a file(by double-clicking or pressing Enter)
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|     @event{EVT_FILECTRL_SELECTIONCHANGED(id, func)}
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|         The user changed the current selection(by selecting or deselecting a file)
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|     @event{EVT_FILECTRL_FOLDERCHANGED(id, func)}
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|         The current folder of the file control has been changed
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|     @event{EVT_FILECTRL_FILTERCHANGED(id, func)}
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|         The current file filter of the file control has been changed.
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|         @since 2.9.1.
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| 
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|     @endEventTable
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| 
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|     @library{wxcore}
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|     @category{ctrl}
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|     @appearance{filectrl}
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| 
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|     @nativeimpl{wxgtk}
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| 
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|     @see wxGenericDirCtrl
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| */
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| class wxFileCtrl : public wxControl
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| {
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| public:
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|     wxFileCtrl();
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| 
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|     /**
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|         Constructs the window.
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| 
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|         @param parent
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|             Parent window, must not be non-@NULL.
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|         @param id
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|             The identifier for the control.
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|         @param defaultDirectory
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|             The initial directory shown in the control.
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|             Must be a valid path to a directory or the empty string.
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|             In case it is the empty string, the current working directory is used.
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|         @param defaultFilename
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|             The default filename, or the empty string.
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|         @param wildCard
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|             A wildcard specifying which files can be selected,
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|             such as "*.*" or "BMP files (*.bmp)|*.bmp|GIF files (*.gif)|*.gif".
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|         @param style
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|             The window style, see wxFC_* flags.
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|         @param pos
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|             Initial position.
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|         @param size
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|             Initial size.
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|         @param name
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|             Control name.
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| 
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|         @return @true if the control was successfully created or @false if
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|                  creation failed.
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|     */
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| 
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|     wxFileCtrl(wxWindow* parent, wxWindowID id,
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|                const wxString& defaultDirectory = wxEmptyString,
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|                const wxString& defaultFilename = wxEmptyString,
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|                const wxString& wildCard = wxFileSelectorDefaultWildcardStr,
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|                long style = wxFC_DEFAULT_STYLE,
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|                const wxPoint& pos = wxDefaultPosition,
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|                const wxSize& size = wxDefaultSize,
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|                const wxString& name = wxFileCtrlNameStr);
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| 
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|     /**
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|         Create function for two-step construction. See wxFileCtrl() for details.
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|     */
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|     bool Create(wxWindow* parent, wxWindowID id,
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|                 const wxString& defaultDirectory = wxEmptyString,
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|                 const wxString& defaultFilename = wxEmptyString,
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|                 const wxString& wildCard = wxFileSelectorDefaultWildcardStr,
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|                 long style = wxFC_DEFAULT_STYLE, const wxPoint& pos = wxDefaultPosition,
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|                 const wxSize& size = wxDefaultSize,
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|                 const wxString& name = wxFileCtrlNameStr);
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| 
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|     /**
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|         Returns the current directory of the file control (i.e.\ the directory shown by it).
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|     */
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|     virtual wxString GetDirectory() const;
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| 
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|     /**
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|         Returns the currently selected filename.
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| 
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|         For the controls having the @c wxFC_MULTIPLE style, use GetFilenames() instead.
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|     */
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|     virtual wxString GetFilename() const;
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| 
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|     /**
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|         Fills the array @a filenames with the filenames only of selected items.
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| 
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|         This function should only be used with the controls having the @c wxFC_MULTIPLE
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|         style, use GetFilename() for the others.
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| 
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|         @remarks filenames is emptied first.
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|     */
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|     virtual void GetFilenames(wxArrayString& filenames) const;
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| 
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|     /**
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|         Returns the zero-based index of the currently selected filter.
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|     */
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|     virtual int GetFilterIndex() const;
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| 
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|     /**
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|         Returns the full path (directory and filename) of the currently selected file.
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|         For the controls having the @c wxFC_MULTIPLE style, use GetPaths() instead.
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|     */
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|     virtual wxString GetPath() const;
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| 
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|     /**
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|         Fills the array @a paths with the full paths of the files chosen.
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| 
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|         This function should be used with the controls having the @c wxFC_MULTIPLE style,
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|         use GetPath() otherwise.
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| 
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|         @remarks paths is emptied first.
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|     */
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|     virtual void GetPaths(wxArrayString& paths) const;
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| 
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|     /**
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|         Returns the current wildcard.
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|     */
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|     virtual wxString GetWildcard() const;
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| 
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|     /**
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|         Sets(changes) the current directory displayed in the control.
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| 
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|         @return Returns @true on success, @false otherwise.
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|     */
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|     virtual bool SetDirectory(const wxString& directory);
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| 
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|     /**
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|         Selects a certain file.
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| 
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|         @return Returns @true on success, @false otherwise
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|     */
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|     virtual bool SetFilename(const wxString& filename);
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| 
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|     /**
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|         Changes to a certain directory and selects a certain file.
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| 
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|         If @a path includes the directory part, it must exist, otherwise @false
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|         is returned and nothing else is done.
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| 
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|         @return Returns @true on success, @false otherwise
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|     */
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|     virtual bool SetPath(const wxString& path);
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| 
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|     /**
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|         Sets the current filter index, starting from zero.
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|     */
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|     virtual void SetFilterIndex(int filterIndex);
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| 
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|     /**
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|         Sets the wildcard, which can contain multiple file types, for example:
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|         "BMP files (*.bmp)|*.bmp|GIF files (*.gif)|*.gif"
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|     */
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|     virtual void SetWildcard(const wxString& wildCard);
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| 
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|     /**
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|         Sets whether hidden files and folders are shown or not.
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|     */
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|     virtual void ShowHidden(bool show);
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| };
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| 
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| 
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| wxEventType wxEVT_FILECTRL_SELECTIONCHANGED;
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| wxEventType wxEVT_FILECTRL_FILEACTIVATED;
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| wxEventType wxEVT_FILECTRL_FOLDERCHANGED;
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| wxEventType wxEVT_FILECTRL_FILTERCHANGED;
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| 
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| 
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| /**
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|     @class wxFileCtrlEvent
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| 
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|     A file control event holds information about events associated with
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|     wxFileCtrl objects.
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| 
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|     @beginEventTable{wxFileCtrlEvent}
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|     @event{EVT_FILECTRL_FILEACTIVATED(id, func)}
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|         The user activated a file(by double-clicking or pressing Enter)
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|     @event{EVT_FILECTRL_SELECTIONCHANGED(id, func)}
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|         The user changed the current selection(by selecting or deselecting a file)
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|     @event{EVT_FILECTRL_FOLDERCHANGED(id, func)}
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|         The current folder of the file control has been changed
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|     @event{EVT_FILECTRL_FILTERCHANGED(id, func)}
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|         The current file filter of the file control has been changed
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|     @endEventTable
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| 
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|     @library{wxcore}
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|     @category{events}
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| */
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| class wxFileCtrlEvent : public wxCommandEvent
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| {
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| public:
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|     /**
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|         Constructor.
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|     */
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|     wxFileCtrlEvent(wxEventType type, wxObject *evtObject, int id);
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| 
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|     /**
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|         Returns the current directory.
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| 
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|         In case of a @b EVT_FILECTRL_FOLDERCHANGED, this method returns the new
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|         directory.
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|     */
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|     wxString GetDirectory() const;
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| 
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|     /**
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|         Returns the file selected (assuming it is only one file).
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|     */
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|     wxString GetFile() const;
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| 
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|     /**
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|         Returns the files selected.
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| 
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|         In case of a @b EVT_FILECTRL_SELECTIONCHANGED, this method returns the
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|         files selected after the event.
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|     */
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|     wxArrayString GetFiles() const;
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| 
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|     /**
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|         Returns the current file filter index.
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| 
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|         For a @b EVT_FILECTRL_FILTERCHANGED event, this method returns the new
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|         file filter index.
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| 
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|         @since 2.9.1
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|     */
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|     int GetFilterIndex() const;
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| 
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|     /**
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|         Sets the files changed by this event.
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|     */
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|     void SetFiles(const wxArrayString& files);
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| 
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| 
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|     /**
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|         Sets the directory of this event.
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|     */
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|     void SetDirectory( const wxString &directory );
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| 
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|     /**
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|         Sets the filter index changed by this event.
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| 
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|         @since 2.9.1
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|     */
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|     void SetFilterIndex(int index);
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| };
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| 
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