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7zip/CPP/7zip/UI/FileManager/BrowseDialog.cpp  view on Meta::CPAN

  const CFileInfoW &f2 = _files[(int)lParam2];

  bool isDir1 = f1.IsDir();
  bool isDir2 = f2.IsDir();
  
  if (isDir1 && !isDir2) return -1;
  if (isDir2 && !isDir1) return 1;
  
  int result = 0;
  switch(_sortIndex)
  {
    case 0: result = f1.Name.CompareNoCase(f2.Name); break;
    case 1: result = CompareFileTime(&f1.MTime, &f2.MTime); break;
    case 2: result = MyCompare(f1.Size, f2.Size); break;
  }
  return _ascending ? result: (-result);
}

static int CALLBACK CompareItems2(LPARAM lParam1, LPARAM lParam2, LPARAM lpData)
{
  if (lpData == NULL)
    return 0;
  return ((CBrowseDialog*)lpData)->CompareItems(lParam1, lParam2);
}

static HRESULT GetNormalizedError()
{
  HRESULT errorCode = GetLastError();
  return (errorCode == 0) ? 1 : errorCode;
}

HRESULT CBrowseDialog::Reload(const UString &pathPrefix, const UString &selectedName)
{
  CEnumeratorW enumerator(pathPrefix + L'*');
  CObjectVector<CFileInfoW> files;
  for (;;)
  {
    bool found;
    CFileInfoW fi;
    if (!enumerator.Next(fi, found))
      return GetNormalizedError();
    if (!found)
      break;
    files.Add(fi);
  }

  Path = pathPrefix;

  _files = files;

  SetItemText(IDC_BROWSE_PATH, Path);
  _list.SetRedraw(false);
  _list.DeleteAllItems();

  if (!Path.IsEmpty() && Path.Back() != WCHAR_PATH_SEPARATOR)
    Path += WCHAR_PATH_SEPARATOR;

  LVITEMW item;

  int index = 0;
  int cursorIndex = -1;

  #ifndef _SFX
  if (_showDots)
  {
    UString itemName = L"..";
    item.iItem = index;
    if (selectedName.IsEmpty())
      cursorIndex = item.iItem;
    item.mask = LVIF_TEXT | LVIF_PARAM | LVIF_IMAGE;
    int subItem = 0;
    item.iSubItem = subItem++;
    item.lParam = kParentIndex;
    item.pszText = (wchar_t *)(const wchar_t *)itemName;
    item.iImage = _extToIconMap.GetIconIndex(FILE_ATTRIBUTE_DIRECTORY, Path);
    if (item.iImage < 0)
      item.iImage = 0;
    _list.InsertItem(&item);
    _list.SetSubItem(index, subItem++, L"");
    _list.SetSubItem(index, subItem++, L"");
    index++;
  }
  #endif

  for (int i = 0; i < _files.Size(); i++)
  {
    const CFileInfoW &fi = _files[i];
    item.iItem = index;
    if (fi.Name.CompareNoCase(selectedName) == 0)
      cursorIndex = item.iItem;
    item.mask = LVIF_TEXT | LVIF_PARAM | LVIF_IMAGE;
    int subItem = 0;
    item.iSubItem = subItem++;
    item.lParam = i;
    item.pszText = (wchar_t *)(const wchar_t *)fi.Name;
    item.iImage = _extToIconMap.GetIconIndex(fi.Attrib, Path + fi.Name);
    if (item.iImage < 0)
      item.iImage = 0;
    _list.InsertItem(&item);
    {
      FILETIME ft;
      UString s;
      if (FileTimeToLocalFileTime(&fi.MTime, &ft))
        s = ConvertFileTimeToString(ft, false, false);
      _list.SetSubItem(index, subItem++, s);
    }
    {
      UString s;
      if (!fi.IsDir())
        s = ConvertSizeToStringShort(fi.Size);
      _list.SetSubItem(index, subItem++, s);
    }
    index++;
  }

  if (_list.GetItemCount() > 0 && cursorIndex >= 0)
    _list.SetItemState_FocusedSelected(cursorIndex);
  _list.SortItems(CompareItems2, (LPARAM)this);
  if (_list.GetItemCount() > 0 && cursorIndex < 0)
    _list.SetItemState(0, LVIS_FOCUSED, LVIS_FOCUSED);
  _list.EnsureVisible(_list.GetFocusedItem(), false);
  _list.SetRedraw(true);
  return S_OK;
}

HRESULT CBrowseDialog::Reload()
{
  UString selectedCur;
  int index = _list.GetNextSelectedItem(-1);
  if (index >= 0)
  {
    int fileIndex = GetRealItemIndex(index);
    if (fileIndex != kParentIndex)
      selectedCur = _files[fileIndex].Name;
  }
  return Reload(Path, selectedCur);
}

void CBrowseDialog::OpenParentFolder()
{
  UString parent, selected;
  if (GetParentPath(Path, parent, selected))
    Reload(parent, selected);
}

extern UString HResultToMessage(HRESULT errorCode);

bool CBrowseDialog::OnNotify(UINT /* controlID */, LPNMHDR header)
{
  if (header->hwndFrom != _list)
    return false;
  switch(header->code)
  {
    case LVN_ITEMACTIVATE:
      if (g_LVN_ITEMACTIVATE_Support)
      {
        OnItemEnter();
        return true;
      }
      break;
    case NM_DBLCLK:
    case NM_RETURN: // probabably it's unused
      if (!g_LVN_ITEMACTIVATE_Support)
      {
        OnItemEnter();
        return true;
      }
      break;
    case LVN_COLUMNCLICK:
    {
      int index = LPNMLISTVIEW(header)->iSubItem;
      if (index == _sortIndex)
        _ascending = !_ascending;
      else
      {
        _ascending = (index == 0);
        _sortIndex = index;
      }
      Reload();