// SelMultiFilesDlg.cpp : implementation file
//

#include "stdafx.h"
#include "SelMultiFiles.h"
#include "SelMultiFilesDlg.h"
#include "MulSelFileDialog.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSelMultiFilesDlg dialog

CSelMultiFilesDlg::CSelMultiFilesDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSelMultiFilesDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSelMultiFilesDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CSelMultiFilesDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSelMultiFilesDlg)
	DDX_Control(pDX, IDC_LIST_MULTI_FILES, m_listboxMultiFiles);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSelMultiFilesDlg, CDialog)
	//{{AFX_MSG_MAP(CSelMultiFilesDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_OPEN, OnButtonOpen)
	ON_BN_CLICKED(IDC_BUTTON_QUIT, OnButtonQuit)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSelMultiFilesDlg message handlers

BOOL CSelMultiFilesDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.
	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	// 顯示被選擇的文件信息，初始化為0
	GetDlgItem(IDC_STATIC_FILE_CNT)->SetWindowText(_T("0 個文件被選。"));
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CSelMultiFilesDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CSelMultiFilesDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CSelMultiFilesDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CSelMultiFilesDlg::OnButtonOpen() 
{
	// TODO: Add your control notification handler code here
	// 清空列表框
	m_listboxMultiFiles.ResetContent();

	// 打開文件對話框
	CMulSelFileDialog msFd(TRUE,
                      NULL,
                      NULL, 
                      OFN_ALLOWMULTISELECT | 
					  OFN_NODEREFERENCELINKS | 
					  OFN_EXPLORER);
    
    if (msFd.DoModal() == IDOK)
    {
        int width = 0;
        CString csSelectedFile = _T("");
        CDC *pDC = m_listboxMultiFiles.GetDC();
        int saved = pDC->SaveDC();
        pDC->SelectObject(GetFont());

        UINT count = 0;

        POSITION pos = msFd.GetStartPosition(); // 取得第一個文件
        while (pos)
        {
            // 繼續取得文件
			csSelectedFile = msFd.GetNextPathName(pos);

			// 將選擇的文件加入到列表框中
            m_listboxMultiFiles.AddString(csSelectedFile);

            CSize size(0, 0);
            size = pDC->GetTextExtent(csSelectedFile);
            width = width > size.cx ? width : size.cx;
            ++count;
        }
        pDC->RestoreDC(saved);
        ReleaseDC(pDC);
        m_listboxMultiFiles.SetHorizontalExtent(width + 5);

        // 顯示被選擇的文件信息
		csSelectedFile.Format(_T("%u 個文件被選擇。"), count);
        GetDlgItem(IDC_STATIC_FILE_CNT)->SetWindowText(csSelectedFile);
    }
}

void CSelMultiFilesDlg::OnButtonQuit() 
{
	// TODO: Add your control notification handler code here
	CDialog::OnCancel();
}