edittrackinfodialog.cpp

FreeAMP(MP3播放)程序源代码-用来研究MP3解码

/*____________________________________________________________________________

        FreeAmp - The Free MP3 Player

        Portions Copyright (C) 1999 EMusic.com

        This program is free software; you can redistribute it and/or modify
        it under the terms of the GNU General Public License as published by
        the Free Software Foundation; either version 2 of the License, or
        (at your option) any later version.

        This program is distributed in the hope that it will be useful,
        but WITHOUT ANY WARRANTY; without even the implied warranty of
        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        GNU General Public License for more details.

        You should have received a copy of the GNU General Public License
        along with this program; if not, write to the Free Software
        Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

        $Id: EditTrackInfoDialog.cpp,v 1.18 2000/09/15 11:12:27 ijr Exp $
____________________________________________________________________________*/

// The debugger can't handle symbols more than 255 characters long.
// STL often creates symbols longer than that.
// When symbols are longer than 255 characters, the warning is disabled.
#ifdef WIN32
#pragma warning(disable:4786)
#endif

// system includes
#include <windows.h>
#include <windowsx.h>
#include <shlobj.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <direct.h>

// project includes
#include "config.h"
#include "utility.h"
#include "resource.h"
#include "EditTrackInfoDialog.h"
#include "help.h"
#include "uuid.h"

EditTrackInfoDialog::EditTrackInfoDialog(FAContext* context,
                                         HINSTANCE hinst,
                                         HWND hwnd, 
                                         const vector<ArtistList*>* artistList,
                                         MetaData* editMetaData,
                                         const char* location):
    m_hwnd(hwnd), m_artistList(artistList), 
    m_editMetaData(editMetaData), m_context(context), 
    m_location(location), m_hinst(hinst)
{

}

EditTrackInfoDialog::~EditTrackInfoDialog()
{

}

static
BOOL CALLBACK EditTrackInfoDlgProc(HWND hwnd,
                                   UINT msg,
                                   WPARAM wParam,
                                   LPARAM lParam)
{
    EditTrackInfoDialog* _this = 
        (EditTrackInfoDialog*)GetWindowLong(hwnd, GWL_USERDATA);

    switch (msg)
    {
        case WM_INITDIALOG:
        {
            _this = (EditTrackInfoDialog*)lParam;
            assert(_this != NULL);
            SetWindowLong(hwnd, GWL_USERDATA, (LONG)_this);
            break;
        }            
    }

    return _this->DialogProc(hwnd, msg, wParam, lParam);
}    

bool EditTrackInfoDialog::Show()   
{
    bool result = false;

    result = (0 < DialogBoxParam(
                          m_hinst, 
                          MAKEINTRESOURCE(IDD_EDITINFO),
                          m_hwnd, 
                          ::EditTrackInfoDlgProc, 
                          (LPARAM )this));
    return result;
}

BOOL EditTrackInfoDialog::DialogProc(HWND hwnd, 
                                     UINT msg, 
                                     WPARAM wParam, 
                                     LPARAM lParam )
{
    BOOL result = FALSE;

    switch (msg)
    {
        case WM_INITDIALOG:
        {
            set<string> artists;
            set<string> albums;
            set<string> genres;
            char number[64];
            
            CreateEditInfoLists(artists, albums, genres);
  
            HWND hwndArtist = GetDlgItem(hwnd, IDC_ARTIST);
            HWND hwndAlbum = GetDlgItem(hwnd, IDC_ALBUM);
            HWND hwndGenre = GetDlgItem(hwnd, IDC_GENRE);
            HWND hwndTitle = GetDlgItem(hwnd, IDC_TITLE);
            HWND hwndTrack = GetDlgItem(hwnd, IDC_TRACK);
            HWND hwndSpinTrack = GetDlgItem(hwnd, IDC_SPINTRACK);
            HWND hwndYear = GetDlgItem(hwnd, IDC_YEAR);
            HWND hwndSpinYear = GetDlgItem(hwnd, IDC_SPINYEAR);
            HWND hwndComment = GetDlgItem(hwnd, IDC_COMMENT);
            HWND hwndLocation = GetDlgItem(hwnd, IDC_LOCATION);
            HWND hwndTitleText =  FindWindowEx(hwnd, NULL, NULL, "Title:");
            HWND hwndTrackText =  FindWindowEx(hwnd, NULL, NULL, "Track #:");
            HWND hwndPlayCount = GetDlgItem(hwnd, IDC_PLAYCOUNT);           
            HWND hwndMusicBrainz = GetDlgItem(hwnd, IDC_BUTTON_MB);

            SYSTEMTIME sysTime;

            GetSystemTime(&sysTime);

            SendMessage(hwndSpinTrack, UDM_SETRANGE, 0, MAKELPARAM(1000, 0));
            SendMessage(hwndSpinYear, UDM_SETRANGE, 0, MAKELPARAM(sysTime.wYear, 0));

            set<string>::iterator i;

            // track name
            Edit_SetText(hwndTitle, m_editMetaData->Title().c_str());

            // track number
            if(m_editMetaData->Track() == -1)
            {
                Edit_SetText(hwndTrack, "<Multiple>");
                EnableWindow(hwndTrack, FALSE);
                EnableWindow(hwndTrackText, FALSE);

                EnableWindow(hwndTitle, FALSE);
                EnableWindow(hwndTitleText, FALSE);
				Button_Enable(hwndMusicBrainz, FALSE);
            }
            else
            {
                sprintf(number, "%d", m_editMetaData->Track());
                Edit_SetText(hwndTrack, number);
            }

            // track year
            if(m_editMetaData->Year() == -1)
            {
                Edit_SetText(hwndYear, "<Multiple>");
            }
            else
            {
                sprintf(number, "%d", m_editMetaData->Year());
                Edit_SetText(hwndYear, number);
            }

            // playcount
            if(m_editMetaData->PlayCount() == -1)
            {
                Edit_SetText(hwndPlayCount, "<Multiple>");
            }
            else
            {
                sprintf(number, "%d", m_editMetaData->PlayCount());
                Edit_SetText(hwndPlayCount, number);
            }

            // track comment
            Edit_SetText(hwndComment, m_editMetaData->Comment().c_str());

            // location
            Edit_SetText(hwndLocation, m_location);


            // add artists
            for(i = artists.begin(); i != artists.end(); i++)
            {
                uint32 length = (*i).size();

                if(length)
                {
                    bool notJustWhiteSpace = false;

                    for(uint32 index = 0; index < length; index++)
                    {
                        if(!isspace((*i)[index]))
                        {
                            notJustWhiteSpace = true;
                            break;
                        }
                    }

                    if(notJustWhiteSpace)
                        ComboBox_AddString(hwndArtist, (*i).c_str());
                }
            }

            ComboBox_SetText(hwndArtist, m_editMetaData->Artist().c_str());

            // add albums
            for(i = albums.begin(); i != albums.end(); i++)
            {
                uint32 length = (*i).size();

                if(length)
                {
                    bool notJustWhiteSpace = false;

                    for(uint32 index = 0; index < length; index++)
                    {
                        if(!isspace((*i)[index]))