jot: file_select.H Source File

00001 #ifndef FILE_SELECT_H_INCLUDED
00002 #define FILE_SELECT_H_INCLUDED
00003 
00004 #include "std/support.H"
00005 #include "std/config.H"
00006 
00007 /*****************************************************************
00008  * FileSelect
00009  *****************************************************************/
00010 
00011 class FileSelect
00012 {
00013  public :    
00014    /******** ENUMS ********/
00015    enum icon_t {
00016       NO_ICON = -1,
00017       LOAD_ICON = 0,
00018       SAVE_ICON,
00019       DISC_ICON,
00020       JOT_ICON,
00021       ICON_NUM
00022    };
00023 
00024    enum action_t {
00025       OK_ACTION = 0,
00026       CANCEL_ACTION
00027    };
00028 
00029 
00030  public :    
00031    /******** DATA TYPES ********/
00032    typedef void (*file_cb_t) (void *,int,int,str_ptr,str_ptr);
00033 
00034  protected:
00035    /******** STATIC MEMBER VARIABLES ********/
00036 
00037  public :    
00038    /******** STATIC MEMBER METHODS ********/
00039 
00040  protected:
00041    /******** MEMBER VARIABLES ********/
00042      
00043    str_ptr     _title;
00044    str_ptr     _action;
00045    icon_t      _icon;
00046    str_ptr     _path;
00047    str_ptr     _file;
00048    int         _filter;
00049    str_list    _filters;
00050 
00051    /******** CONSTRUCTOR/DECONSTRUCTOR *******/
00052  public  :
00053    FileSelect() : _title(""), _action("OK"), _icon(NO_ICON), _path(Config::JOT_ROOT()), _file("")
00054    { 
00055       _filter = 0;
00056       _filters += "*";
00057    }
00058      virtual ~FileSelect() {}
00059    
00060    /******** MEMBER METHODS ********/
00061 
00062    virtual bool      set_title(Cstr_ptr &s)  { if (is_displaying()) return false; _title = s;   return true; }
00063    virtual bool      set_action(Cstr_ptr &s) { if (is_displaying()) return false; _action = s;  return true; }
00064    virtual bool      set_icon(icon_t i)      { if (is_displaying()) return false; _icon = i;    return true; }
00065    virtual bool      set_path(Cstr_ptr &s)   { if (is_displaying()) return false; _path = s;    return true; }
00066    virtual bool      set_file(Cstr_ptr &s)   { if (is_displaying()) return false; _file = s;    return true; }
00067    virtual bool      set_filter(Cstr_ptr &s) { if (is_displaying()) return false; add_filter(s); _filter = _filters.get_index(s); return true; }
00068    virtual bool      add_filter(Cstr_ptr &s) { if (is_displaying()) return false; _filters.add_uniquely(s);    return true; }
00069    
00070    virtual bool      clear_title()           { if (is_displaying()) return false; _title = "";                       return true; }
00071    virtual bool      clear_action()          { if (is_displaying()) return false; _action = "OK";                    return true; }
00072    virtual bool      clear_icon()            { if (is_displaying()) return false; _icon = NO_ICON;                   return true; }
00073    virtual bool      clear_path()            { if (is_displaying()) return false; _path = Config::JOT_ROOT();        return true; }
00074    virtual bool      clear_file()            { if (is_displaying()) return false; _file = "";                        return true; }
00075    virtual bool      clear_filter()          { if (is_displaying()) return false; set_filter("*");                   return true; }
00076    virtual bool      clear_filters()         { if (is_displaying()) return false; _filters.clear(); set_filter("*"); return true; }
00077 
00078    virtual str_ptr   get_title()             { return _title;              }
00079    virtual str_ptr   get_action()            { return _action;             }
00080    virtual icon_t    get_icon()              { return _icon;               }
00081    virtual str_ptr   get_path()              { return _path;               }
00082    virtual str_ptr   get_file()              { return _file;               }
00083    virtual str_ptr   get_filter()            { return _filters[_filter];   }
00084    virtual str_list  get_filters()           { return _filters;            }
00085 
00086    /******** PURE VIRTUAL METHODS ********/
00087  public:
00088    virtual bool      is_displaying() = 0;
00089    virtual bool      display(bool blocking, file_cb_t cb, void *vp, int idx) = 0;
00090  protected:
00091    virtual bool      undisplay(int button, str_ptr path, str_ptr file) = 0;
00092 
00093 };
00094 
00095 #endif