filedlgg.h

wxGTK 是 wxWidgets 的 linux GTK+ (>2.2.3)版本。wxWidgets 是一个跨平台的 GUI 框架

/////////////////////////////////////////////////////////////////////////////
// Name:        wx/generic/filedlgg.h
// Purpose:     wxGenericFileDialog
// Author:      Robert Roebling
// Modified by:
// Created:     8/17/99
// Copyright:   (c) Robert Roebling
// RCS-ID:      $Id: filedlgg.h,v 1.44 2006/06/08 10:05:42 RR Exp $
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_FILEDLGG_H_
#define _WX_FILEDLGG_H_

#include "wx/listctrl.h"
#include "wx/datetime.h"
#include "wx/filefn.h"
#include "wx/filedlg.h"

//-----------------------------------------------------------------------------
// classes
//-----------------------------------------------------------------------------

class WXDLLEXPORT wxBitmapButton;
class WXDLLEXPORT wxCheckBox;
class WXDLLEXPORT wxChoice;
class WXDLLEXPORT wxFileData;
class WXDLLEXPORT wxFileCtrl;
class WXDLLEXPORT wxGenericFileDialog;
class WXDLLEXPORT wxListEvent;
class WXDLLEXPORT wxListItem;
class WXDLLEXPORT wxStaticText;
class WXDLLEXPORT wxTextCtrl;

//-------------------------------------------------------------------------
// wxGenericFileDialog
//-------------------------------------------------------------------------

class WXDLLEXPORT wxGenericFileDialog: public wxFileDialogBase
{
public:
    wxGenericFileDialog() : wxFileDialogBase() { Init(); }

    wxGenericFileDialog(wxWindow *parent,
                        const wxString& message = wxFileSelectorPromptStr,
                        const wxString& defaultDir = wxEmptyString,
                        const wxString& defaultFile = wxEmptyString,
                        const wxString& wildCard = wxFileSelectorDefaultWildcardStr,
                        long style = wxFD_DEFAULT_STYLE,
                        const wxPoint& pos = wxDefaultPosition,
                        const wxSize& sz = wxDefaultSize,
                        const wxString& name = wxFileDialogNameStr,
                        bool bypassGenericImpl = false );

    bool Create( wxWindow *parent,
                 const wxString& message = wxFileSelectorPromptStr,
                 const wxString& defaultDir = wxEmptyString,
                 const wxString& defaultFile = wxEmptyString,
                 const wxString& wildCard = wxFileSelectorDefaultWildcardStr,
                 long style = wxFD_DEFAULT_STYLE,
                 const wxPoint& pos = wxDefaultPosition,
                 const wxSize& sz = wxDefaultSize,
                 const wxString& name = wxFileDialogNameStr,
                 bool bypassGenericImpl = false );

    virtual ~wxGenericFileDialog();

    virtual void SetMessage(const wxString& message) { SetTitle(message); }
    virtual void SetPath(const wxString& path);
    virtual void SetFilterIndex(int filterIndex);
    virtual void SetWildcard(const wxString& wildCard);

    // for multiple file selection
    virtual void GetPaths(wxArrayString& paths) const;
    virtual void GetFilenames(wxArrayString& files) const;

    // implementation only from now on
    // -------------------------------

    virtual int ShowModal();
    virtual bool Show( bool show = true );

    void OnSelected( wxListEvent &event );
    void OnActivated( wxListEvent &event );
    void OnList( wxCommandEvent &event );
    void OnReport( wxCommandEvent &event );
    void OnUp( wxCommandEvent &event );
    void OnHome( wxCommandEvent &event );
    void OnListOk( wxCommandEvent &event );
    void OnNew( wxCommandEvent &event );
    void OnChoiceFilter( wxCommandEvent &event );
    void OnTextEnter( wxCommandEvent &event );
    void OnTextChange( wxCommandEvent &event );
    void OnCheck( wxCommandEvent &event );

    virtual void HandleAction( const wxString &fn );

    virtual void UpdateControls();

private:
    // Don't use this implementation at all :-)
    bool m_bypassGenericImpl;

protected:
    // use the filter with the given index
    void DoSetFilterIndex(int filterindex);

    wxString       m_filterExtension;
    wxChoice      *m_choice;
    wxTextCtrl    *m_text;
    wxFileCtrl    *m_list;
    wxCheckBox    *m_check;
    wxStaticText  *m_static;
    wxBitmapButton *m_upDirButton;
    wxBitmapButton *m_newDirButton;

private:
    void Init();
    DECLARE_DYNAMIC_CLASS(wxGenericFileDialog)
    DECLARE_EVENT_TABLE()

    // these variables are preserved between wxGenericFileDialog calls
    static long ms_lastViewStyle;     // list or report?
    static bool ms_lastShowHidden;    // did we show hidden files?
};

#ifdef wxUSE_GENERIC_FILEDIALOG

class WXDLLEXPORT wxFileDialog: public wxGenericFileDialog
{
public:
     wxFileDialog() {}

    wxFileDialog(wxWindow *parent,
                 const wxString& message = wxFileSelectorPromptStr,
                 const wxString& defaultDir = wxEmptyString,
                 const wxString& defaultFile = wxEmptyString,
                 const wxString& wildCard = wxFileSelectorDefaultWildcardStr,
                 long style = 0,
                 const wxPoint& pos = wxDefaultPosition)
          :wxGenericFileDialog(parent, message, defaultDir, defaultFile, wildCard, style, pos)
     {
     }

private:
     DECLARE_DYNAMIC_CLASS(wxFileDialog)
};

#endif // wxUSE_GENERIC_FILEDIALOG

//-----------------------------------------------------------------------------
//  wxFileData - a class to hold the file info for the wxFileCtrl
//-----------------------------------------------------------------------------

class WXDLLEXPORT wxFileData
{
public:
    enum fileType
    {
        is_file  = 0x0000,
        is_dir   = 0x0001,
        is_link  = 0x0002,
        is_exe   = 0x0004,
        is_drive = 0x0008
    };

    wxFileData() { Init(); }
    // Full copy constructor
    wxFileData( const wxFileData& fileData ) { Copy(fileData); }
    // Create a filedata from this information
    wxFileData( const wxString &filePath, const wxString &fileName,
                fileType type, int image_id );

    // make a full copy of the other wxFileData
    void Copy( const wxFileData &other );

    // (re)read the extra data about the file from the system
    void ReadData();

    // get the name of the file, dir, drive
    wxString GetFileName() const { return m_fileName; }
    // get the full path + name of the file, dir, path
    wxString GetFilePath() const { return m_filePath; }
    // Set the path + name and name of the item
    void SetNewName( const wxString &filePath, const wxString &fileName );

    // Get the size of the file in bytes
    wxFileOffset GetSize() const { return m_size; }
    // Get the type of file, either file extension or <DIR>, <LINK>, <DRIVE>
    wxString GetFileType() const;
    // get the last modification time
    wxDateTime GetDateTime() const { return m_dateTime; }
    // Get the time as a formatted string
    wxString GetModificationTime() const;
    // in UNIX get rwx for file, in MSW get attributes ARHS
    wxString GetPermissions() const { return m_permissions; }
    // Get the id of the image used in a wxImageList
    int GetImageId() const { return m_image; }

    bool IsFile() const  { return !IsDir() && !IsLink() && !IsDrive(); }
    bool IsDir() const   { return (m_type & is_dir  ) != 0; }
    bool IsLink() const  { return (m_type & is_link ) != 0; }
    bool IsExe() const   { return (m_type & is_exe  ) != 0; }
    bool IsDrive() const { return (m_type & is_drive) != 0; }

    // Get/Set the type of file, file/dir/drive/link
    int GetType() const { return m_type; }

    // the wxFileCtrl fields in report view
    enum fileListFieldType
    {
        FileList_Name,
        FileList_Size,
        FileList_Type,
        FileList_Time,
#if defined(__UNIX__) || defined(__WIN32__)
        FileList_Perm,
#endif // defined(__UNIX__) || defined(__WIN32__)
        FileList_Max
    };

    // Get the entry for report view of wxFileCtrl
    wxString GetEntry( fileListFieldType num ) const;

    // Get a string representation of the file info
    wxString GetHint() const;
    // initialize a wxListItem attributes
    void MakeItem( wxListItem &item );

    // operators
    wxFileData& operator = (const wxFileData& fd) { Copy(fd); return *this; }

protected:
    wxString m_fileName;
    wxString   m_filePath;
    wxFileOffset m_size;
    wxDateTime m_dateTime;
    wxString m_permissions;
    int      m_type;
    int      m_image;

private:
    void Init();
};

//-----------------------------------------------------------------------------
//  wxFileCtrl
//-----------------------------------------------------------------------------

class WXDLLEXPORT wxFileCtrl : public wxListCtrl
{
public:
    wxFileCtrl();
    wxFileCtrl( wxWindow *win,
                wxWindowID id,
                const wxString &wild,
                bool showHidden,
                const wxPoint &pos = wxDefaultPosition,
                const wxSize &size = wxDefaultSize,
                long style = wxLC_LIST,
                const wxValidator &validator = wxDefaultValidator,
                const wxString &name = wxT("filelist") );
    virtual ~wxFileCtrl();

    virtual void ChangeToListMode();
    virtual void ChangeToReportMode();
    virtual void ChangeToSmallIconMode();
    virtual void ShowHidden( bool show = true );
    bool GetShowHidden() const { return m_showHidden; }

    virtual long Add( wxFileData *fd, wxListItem &item );
    virtual void UpdateItem(const wxListItem &item);
    virtual void UpdateFiles();
    virtual void MakeDir();
    virtual void GoToParentDir();
    virtual void GoToHomeDir();
    virtual void GoToDir( const wxString &dir );
    virtual void SetWild( const wxString &wild );
    wxString GetWild() const { return m_wild; }
    wxString GetDir() const { return m_dirName; }

    void OnListDeleteItem( wxListEvent &event );
    void OnListDeleteAllItems( wxListEvent &event );
    void OnListEndLabelEdit( wxListEvent &event );
    void OnListColClick( wxListEvent &event );

    virtual void SortItems(wxFileData::fileListFieldType field, bool foward);
    bool GetSortDirection() const { return m_sort_foward; }
    wxFileData::fileListFieldType GetSortField() const { return m_sort_field; }

protected:
    void FreeItemData(wxListItem& item);
    void FreeAllItemsData();

    wxString      m_dirName;
    bool          m_showHidden;
    wxString      m_wild;

    bool m_sort_foward;
    wxFileData::fileListFieldType m_sort_field;

private:
    DECLARE_DYNAMIC_CLASS(wxFileCtrl)
    DECLARE_EVENT_TABLE()
};

#endif // _WX_FILEDLGG_H_