ciderpress/util/SelectFilesDialog.h
2007-03-27 17:47:10 +00:00

129 lines
3.9 KiB
C++

/*
* CiderPress
* Copyright (C) 2007 by faddenSoft, LLC. All Rights Reserved.
* See the file LICENSE for distribution terms.
*/
/*
* File selection dialog, a sub-class of "Open" that allows multiple selection
* of both files and directories.
*/
#ifndef __SELECTFILESDIALOG__
#define __SELECTFILESDIALOG__
/*
* File selection, based on an "open" file dialog.
*
* DoModal will return with IDCANCEL to indicate that the standard fields
* (like lpstrFile) are not actually filled in. Use the provided fields
* to get exit status and filename info.
*
* Defer any dialog initialization to MyDataExchange.
*/
class SelectFilesDialog : public CFileDialog {
public:
enum { kFileNameBufSize = 32768 };
SelectFilesDialog(const char* rctmpl, CWnd* pParentWnd = NULL) :
CFileDialog(true, NULL, NULL, OFN_HIDEREADONLY, NULL, pParentWnd)
{
m_ofn.Flags |= OFN_ENABLETEMPLATE | OFN_ALLOWMULTISELECT |
OFN_HIDEREADONLY | OFN_FILEMUSTEXIST;
m_ofn.lpTemplateName = rctmpl;
m_ofn.hInstance = AfxGetInstanceHandle();
m_ofn.lpstrFile = new char[kFileNameBufSize];
m_ofn.lpstrFile[0] = m_ofn.lpstrFile[1] = '\0';
m_ofn.nMaxFile = kFileNameBufSize;
m_ofn.Flags |= OFN_ENABLEHOOK;
m_ofn.lpfnHook = OFNHookProc;
m_ofn.lCustData = (long)this;
fExitStatus = IDABORT;
fFileNames = new char[2];
fFileNames[0] = fFileNames[1] = '\0';
fFileNameOffset = 0;
fAcceptButtonID = IDOK;
fReady = false; // used by WM_SIZE handler
}
virtual ~SelectFilesDialog(void) {
delete[] m_ofn.lpstrFile;
delete[] fFileNames;
}
int GetExitStatus(void) const { return fExitStatus; }
const char* GetFileNames(void) const { return fFileNames; }
int GetFileNameOffset(void) const { return fFileNameOffset; }
// set the window title; must be called before DoModal
void SetWindowTitle(const char* title) {
m_ofn.lpstrTitle = title;
}
// stuff values into our filename holder
void SetFileNames(const char* fileNames, int len, int fileNameOffset) {
ASSERT(len > (int)strlen(fileNames));
ASSERT(fileNames[len] == '\0');
ASSERT(fileNames[len-1] == '\0');
WMSG3("SetFileNames '%s' %d %d\n", fileNames, len, fileNameOffset);
delete[] fFileNames;
fFileNames = new char[len];
memcpy(fFileNames, fileNames, len);
fFileNameOffset = fileNameOffset;
}
protected:
// would be overrides
virtual void MyOnInitDone(void);
virtual void MyOnFileNameChange(void);
// like DoDataExchange, but ret val replaces pDX->Fail()
virtual bool MyDataExchange(bool saveAndValidate) { return true; }
// would be message handlers
virtual UINT HandleNotify(HWND hDlg, LPOFNOTIFY pofn);
virtual UINT HandleCommand(HWND hDlg, WPARAM wParam, LPARAM lParam);
virtual UINT HandleSize(HWND hDlg, UINT nType, int cx, int cy);
virtual UINT HandleHelp(HWND hDlg, LPHELPINFO lpHelp);
virtual UINT MyOnCommand(WPARAM wParam, LPARAM lParam) { return 0; }
virtual void MyOnAccept(void);
virtual void MyOnCancel(void);
// utility functions
virtual CWnd* GetListCtrl(void);
virtual void ShiftControls(int deltaX, int deltaY);
virtual void DestroyItem(CWnd* pDlg, int id) {
CWnd* pWnd = pDlg->GetDlgItem(id);
if (pWnd == nil) {
WMSG1("Could not find item %d\n", id);
return;
}
pWnd->DestroyWindow();
}
virtual bool PrepEndDialog(void);
// make this a little easier
int MessageBox(LPCTSTR lpszText, LPCTSTR lpszCaption = NULL,
UINT nType = MB_OK)
{
return GetParent()->MessageBox(lpszText, lpszCaption, nType);
}
// we're in a library, so the app resources have to tell us this
int fAcceptButtonID;
private:
static UINT CALLBACK OFNHookProc(HWND hdlg, UINT uiMsg, WPARAM wParam,
LPARAM lParam);
void ClearFileName(void);
bool fReady;
int fExitStatus;
int fFileNameOffset;
char* fFileNames;
CRect fLastWinSize;
//DECLARE_MESSAGE_MAP()
};
#endif /*__SELECTFILESDIALOG__*/