/////////////////////////////////////////////////////////////////////////////
// Name:        dirctrl.h
// Purpose:     interface of wxGenericDirCtrl
// Author:      wxWidgets team
// RCS-ID:      $Id$
// Licence:     wxWindows license
/////////////////////////////////////////////////////////////////////////////

/**
    @class wxGenericDirCtrl

    This control can  be used to place a directory listing (with optional
    files) on an arbitrary window.

    The control contains a wxTreeCtrl window representing the directory
    hierarchy, and optionally, a wxChoice window containing a list of filters.

    @beginStyleTable
    @style{wxDIRCTRL_DIR_ONLY}
           Only show directories, and not files.
    @style{wxDIRCTRL_3D_INTERNAL}
           Use 3D borders for internal controls.
    @style{wxDIRCTRL_SELECT_FIRST}
           When setting the default path, select the first file in the
           directory.
    @style{wxDIRCTRL_EDIT_LABELS}
           Allow the folder and file labels to be editable.
    @endStyleTable

    @library{wxbase}
    @category{ctrl}
    <!-- @appearance{genericdirctrl.png} -->
*/
class wxGenericDirCtrl : public wxControl
{
public:
    /**
        Default constructor.
    */
    wxGenericDirCtrl();
    /**
        Main constructor.

        @param parent
            Parent window.
        @param id
            Window identifier.
        @param dir
            Initial folder.
        @param pos
            Position.
        @param size
            Size.
        @param style
            Window style. Please see wxGenericDirCtrl for a list of possible
            styles.
        @param filter
            A filter string, using the same syntax as that for wxFileDialog.
            This may be empty if filters are not being used. Example:
            @c "All files (*.*)|*.*|JPEG files (*.jpg)|*.jpg"
        @param defaultFilter
            The zero-indexed default filter setting.
        @param name
            The window name.
    */
    wxGenericDirCtrl(wxWindow* parent, const wxWindowID id = -1,
                     const wxString& dir = wxDirDialogDefaultFolderStr,
                     const wxPoint& pos = wxDefaultPosition,
                     const wxSize& size = wxDefaultSize,
                     long style = wxDIRCTRL_3D_INTERNAL|wxBORDER_SUNKEN,
                     const wxString& filter = wxEmptyString,
                     int defaultFilter = 0,
                     const wxString& name = wxTreeCtrlNameStr);

    /**
        Destructor.
    */
    ~wxGenericDirCtrl();

    /**
        Collapse the given @a path.
    */
    bool CollapsePath(const wxString& path);

    /**
        Collapses the entire tree.
    */
    void CollapseTree();

    /**
        Create function for two-step construction. See wxGenericDirCtrl() for
        details.
    */
    bool Create(wxWindow* parent, const wxWindowID id = -1,
                const wxString& dir = wxDirDialogDefaultFolderStr,
                const wxPoint& pos = wxDefaultPosition,
                const wxSize& size = wxDefaultSize,
                long style = wxDIRCTRL_3D_INTERNAL|wxBORDER_SUNKEN,
                const wxString& filter = wxEmptyString,
                int defaultFilter = 0,
                const wxString& name = wxTreeCtrlNameStr);

    /**
        Tries to expand as much of the given @a path as possible, so that the
        filename or directory is visible in the tree control.
    */
    bool ExpandPath(const wxString& path);

    /**
        Gets the default path.
    */
    wxString GetDefaultPath() const;

    /**
        Gets selected filename path only (else empty string).

        This function doesn't count a directory as a selection.
    */
    wxString GetFilePath() const;

    /**
        Returns the filter string.
    */
    wxString GetFilter() const;

    /**
        Returns the current filter index (zero-based).
    */
    int GetFilterIndex() const;

    /**
        Returns a pointer to the filter list control (if present).
    */
    wxDirFilterListCtrl* GetFilterListCtrl() const;

    /**
        Gets the currently-selected directory or filename.
    */
    wxString GetPath() const;

    /**
        Returns the root id for the tree control.
    */
    wxTreeItemId GetRootId();

    /**
        Returns a pointer to the tree control.
    */
    wxTreeCtrl* GetTreeCtrl() const;

    /**
        Initializes variables.
    */
    void Init();

    /**
        Collapse and expand the tree, thus re-creating it from scratch. May be
        used to update the displayed directory content.
    */
    void ReCreateTree();

    /**
        Sets the default path.
    */
    void SetDefaultPath(const wxString& path);

    /**
        Sets the filter string.
    */
    void SetFilter(const wxString& filter);

    /**
        Sets the current filter index (zero-based).
    */
    void SetFilterIndex(int n);

    /**
        Sets the current path.
    */
    void SetPath(const wxString& path);

    /**
        @param show
            If @true, hidden folders and files will be displayed by the
            control. If @false, they will not be displayed.
    */
    void ShowHidden(bool show);
};