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Home > ソフトウェア > MagicPNG > MagicPNG100.zip > Src > sslib > FileDialog.cpp

//FileDialog.cpp
//ファイル選択ダイアログ

#include"../StdAfx.h"
#include"sslib.h"

namespace sslib{


//「ファイルを開く」ダイアログ表示[複数選択可能]
bool FileDialog::doModalOpen(std::list<tstring>* file_list,HWND wnd_handle,bool multi_select,const TCHAR* filter,const TCHAR* title,const TCHAR* init_dir,const TCHAR* init_name){
    bool result=false;
    std::vector<TCHAR> file_buffer(50000);

    if(init_name!=NULL){
        lstrcpyn(&file_buffer[0],init_name,file_buffer.size()-2);
        lstrcat(&file_buffer[0],'\0');
    }

    m_ofn_open.lStructSize=sizeof(OPENFILENAME);
    m_ofn_open.hwndOwner=wnd_handle;
    m_ofn_open.hInstance=::GetModuleHandle(NULL);
    m_ofn_open.Flags|=OFN_EXPLORER|OFN_HIDEREADONLY|OFN_FILEMUSTEXIST|OFN_NOCHANGEDIR;
    if(multi_select){
        m_ofn_open.Flags|=OFN_ALLOWMULTISELECT;
    }

    if(filter!=NULL){
        m_ofn_open.lpstrFilter=filter;
    }else{
        m_ofn_open.lpstrFilter=_T("All Files (*.*)\0*.*\0\0");
    }

    m_ofn_open.lpstrInitialDir=init_dir;
    m_ofn_open.lpstrTitle=title;
    m_ofn_open.lpstrFile=&file_buffer[0];
    m_ofn_open.nMaxFile=file_buffer.size();

    if(::GetOpenFileName(&m_ofn_open)){
        if(!path::isDirectory(&file_buffer[0])){
            if(file_list!=NULL)file_list->push_back(&file_buffer[0]);
            result=true;
        }else{
            //複数選択
            tstring parent_dir(&file_buffer[0]);

            for(int i=parent_dir.length()+1;;){
                tstring file(&file_buffer[i]);

                if(file.length()==0)break;

                //dir+file_name
                if(file_list!=NULL)file_list->push_back(path::addTailSlash(parent_dir)+=file);

                //次のファイルへ
                i+=file.length()+1;
            }

            result=true;
        }
    }else{
        DWORD dlg_err=::CommDlgExtendedError();

        if(dlg_err!=0){
            if(dlg_err==FNERR_BUFFERTOOSMALL){
                //FNERR_BUFFERTOOSMALL[バッファが小さい]
                ::MessageBox(wnd_handle,_T("選択したファイルの数が多過ぎます。"),NULL,MB_ICONWARNING);
            }else{
                ::MessageBox(wnd_handle,format(_T("ファイルの選択に失敗しました。\nErrCode:0x%08X"),dlg_err).c_str(),NULL,MB_ICONWARNING);
            }
        }
    }
    return result;
}

//「ファイルを開く」ダイアログ表示
bool FileDialog::doModalOpen(tstring* file_path,HWND wnd_handle,const TCHAR* filter,const TCHAR* title,const TCHAR* init_dir,const TCHAR* init_name){
    bool result=false;

    std::list<tstring> file_list;

    result=doModalOpen(&file_list,wnd_handle,false,filter,title,init_dir);
    if(result&&file_path!=NULL)file_path->assign(*file_list.begin());
    return result;
}

//「ファイルを保存」ダイアログ表示
bool FileDialog::doModalSave(tstring* file_path,HWND wnd_handle,const TCHAR* filter,const TCHAR* title,const TCHAR* init_dir,const TCHAR* init_name,const TCHAR* default_ext){
    bool result=false;
    std::vector<TCHAR> file_buffer(MAX_PATHW);

    if(init_name!=NULL){
        lstrcpyn(&file_buffer[0],init_name,file_buffer.size()-2);
        lstrcat(&file_buffer[0],'\0');
    }

    m_ofn_save.lStructSize=sizeof(OPENFILENAME);
    m_ofn_save.hwndOwner=wnd_handle;
    m_ofn_save.Flags|=OFN_EXPLORER|OFN_HIDEREADONLY|OFN_FILEMUSTEXIST|OFN_NOCHANGEDIR|OFN_OVERWRITEPROMPT;

    if(filter!=NULL){
        m_ofn_save.lpstrFilter=filter;
    }else{
        m_ofn_save.lpstrFilter=_T("All Files (*.*)\0*.*\0\0");
    }

    m_ofn_save.lpstrInitialDir=init_dir;
    m_ofn_save.lpstrTitle=title;
    m_ofn_save.lpstrFile=&file_buffer[0];
    m_ofn_save.nMaxFile=file_buffer.size();
    m_ofn_save.lpstrDefExt=default_ext;

    if(!::GetSaveFileName(&m_ofn_save)){
        DWORD dlg_err=::CommDlgExtendedError();

        if(dlg_err!=0){
            ::MessageBox(wnd_handle,format(_T("ファイルの選択に失敗しました。\nErrCode:0x%08X"),dlg_err).c_str(),NULL,MB_ICONWARNING);
        }
    }else{
        if(file_path!=NULL)file_path->assign(&file_buffer[0]);
        result=true;
    }
    return result;
}

//namespace sslib
}

Home > ソフトウェア > MagicPNG > MagicPNG100.zip > Src > sslib > FileDialog.cpp