#include <vidcap/opendir.hpp>
#include <common/guiwnd.hpp>
#include <common/diskinfo.hpp>

OpenDirectory::OpenDirectory(void)
{
}

OpenDirectory::~OpenDirectory()
{
}

bool OpenDirectory::getOpenDirectory(GUIWindow &parentWindow,const String &titleString,const String &strInitialDirectory,String &strDirectory)
{
  DiskInfo diskInfo;
	String strCurrentDirectory;

  if(strInitialDirectory.isNull())diskInfo.getCurrentDirectory(strCurrentDirectory);
	else strCurrentDirectory=strInitialDirectory;
  owner(parentWindow);
	instance(parentWindow.processInstance());
	filter("..;.");
	filterPattern("..;.");
	fileName("");
	fileTitle("");
	initialDirectory(strCurrentDirectory);
	title(titleString);
	creationFlags(OpenDialog::EXPLORER|OpenDialog::FILEMUSTEXIST|OpenDialog::ENABLEHOOK);
	OpenDialog::hookProc((LPOFNHOOKPROC)getHookAddress());
	mLastFolderChange=String("");
	if(!getOpenFileName())return false;
	strDirectory=mLastFolderChange;
  return true;
}

OpenDirectory::OpenDirectory(const OpenDirectory &someOpenDirectory)
{ // private implementation
  *this=someOpenDirectory;
}

OpenDirectory &OpenDirectory::operator=(const OpenDirectory &/*someOpenDirectory*/)
{ // private implementation
  return *this;
}

UINT OpenDirectory::hookProc(HWND hDlg,UINT uiMsg,WPARAM wParam,LPARAM lParam)
{
  UINT returnCode(false);
  switch(uiMsg)
  {
    case WM_NOTIFY :
	  {
	    LPOFNOTIFY pNotify=(LPOFNOTIFY)lParam;
			switch(pNotify->hdr.code)
			{
		    case CDN_INITDONE :
				  ::EnableWindow(::GetDlgItem(getParent(),FileNameEditControlID),false);
			    returnCode=handleInitDone();
	        break;
		    case CDN_SELCHANGE :
			    returnCode=handleSelChange();
	        break;
		    case CDN_FOLDERCHANGE :
			    returnCode=handleFolderChange();
	        break;
		    case CDN_SHAREVIOLATION :
			    returnCode=handleShareViolation();
	        break;
		    case CDN_HELP :
				  returnCode=handleHelp();
	        break;
		    case CDN_FILEOK :
				  returnCode=handleFileOk();
	        break;
		    case CDN_TYPECHANGE :
				  returnCode=handleTypeChange();
	        break;
			}
		}																	   
  }
	return returnCode;
}

// helpers

bool OpenDirectory::getPathFileName(String &strPathFileName)
{
  if(!getHandle())return false;
	strPathFileName.reserve(MaxString);
	return ::SendMessage(getParent(),CDM_GETFILEPATH,MaxString,(LPARAM)(LPSTR)strPathFileName);
}

bool OpenDirectory::getFileName(String &strFileName)
{
  if(!getHandle())return false;
  strFileName.reserve(MaxString);
	return ::SendMessage(getParent(),CDM_GETSPEC,MaxString,(LPARAM)(LPSTR)strFileName);
}

bool OpenDirectory::getFolderPath(String &strFolderPath)
{
  if(!getHandle())return false;
	strFolderPath.reserve(MaxString);
	return ::SendMessage(getParent(),CDM_GETFOLDERPATH,MaxString,(LPARAM)(LPSTR)strFolderPath);
}

bool OpenDirectory::hideControl(UINT controlID)
{
  if(!getHandle())return false;
	return ::SendMessage(getParent(),CDM_HIDECONTROL,controlID,0);
}

bool OpenDirectory::setControlText(UINT controlID,const String &strControlText)const
{
  if(!getHandle())return false;
	return ::SendMessage(getParent(),CDM_SETCONTROLTEXT,controlID,(LPARAM)(LPSTR)(String&)strControlText);
}

bool OpenDirectory::getControlText(UINT controlID,String &strControlText)const
{
  if(!getHandle())return false;
	strControlText.reserve(MaxString);
	return ::SendMessage(getParent(),WM_GETTEXT,MaxString,(LPARAM)(char*)strControlText);
}

bool OpenDirectory::setDefaultExtension(const String &strDefaultExtension)
{
  if(!getHandle()||strDefaultExtension.isNull())return false;
	return ::SendMessage(getParent(),CDM_SETDEFEXT,0,(LPARAM)(LPSTR)(String&)strDefaultExtension);
}

// virtuals

UINT OpenDirectory::handleInitDone(void)
{
	return false;
}

UINT OpenDirectory::handleSelChange(void)
{
  String strFolderPath;

  getFolderPath(strFolderPath);  
	setControlText(FileNameEditControlID,strFolderPath);
	return false;
}

UINT OpenDirectory::handleFolderChange(void)
{
  String strFolderPath;

  getFolderPath(strFolderPath);  
	if(strFolderPath==mLastFolderChange)
	{
	  setControlText(FileNameEditControlID,strFolderPath);
		::EndDialog(getParent(),TRUE);
	}
	else
	{
	  mLastFolderChange=strFolderPath;
	  setControlText(FileNameEditControlID,strFolderPath);
	}
	return false;
}

UINT OpenDirectory::handleShareViolation(void)
{
	return false;
}

UINT OpenDirectory::handleFileOk(void)
{
	return false;
}

UINT OpenDirectory::handleHelp(void)
{
	return false;
}

UINT OpenDirectory::handleTypeChange(void)
{
	return false;
}