public void OnTargetConcatFileNamesChanged()
{
// get file names
ChosenFileNames.Clear();
Message = "";
if (!string.IsNullOrWhiteSpace(TargetConcatFileNames))
{
ChosenFileNames.AddRange(TargetConcatFileNames.Split(pathSeparator)
.Select(s => s.Trim())
.Where(s => !string.IsNullOrWhiteSpace(s)));
}
CanResizeByPixel = ChosenFileCount == 1;
// check enable/disable, and detect file dimesion if single img
if (ChosenFileCount == 1)
{
var size = GetImageDimension(Path.Combine(TargetConcatFolders, TargetConcatFileNames));
WidthPixel = size == null ? 0 : ((Size)size).Width;
HeightPixel = size == null ? 0 : ((Size)size).Height;
OriginalWidthPixel = WidthPixel;
OriginalHeightPixel = HeightPixel;
}
else if (ChosenFileCount == 0)
{
ResizeByRatio = true; // implicitly ResizeByPixel = false;
OriginalWidthPixel = WidthPixel = OriginalHeightPixel = HeightPixel = 0;
}
CanResize = ChosenFolderCount != 0;
Message = ChosenFolderCount != 0 ? "" : "Please select at least one file or one folder.";
}
private List <FileInfo> GetFileInfos()
{
if (ChosenFolderCount == 0)
{
return(null);
}
else if (ChosenFolderCount == 1 && ChosenFileCount == 1)
{
return(new List <FileInfo> {
new FileInfo(Path.Combine(TargetConcatFolders, TargetConcatFileNames))
});
}
else if (ChosenFolderCount == 1 && ChosenFileCount > 1)
{
return(new List <FileInfo>(ChosenFileNames.Select(fn => new FileInfo(Path.Combine(ChosenFolders[0], fn))).Where(fi => fi.Exists)));
}
else if (ChosenFolderCount >= 1 && ChosenFileCount == 0)
{
var filePaths = new List <string>();
foreach (var folder in ChosenFolders)
{
if (SubFoldersIncluded)
{
filePaths.AddRange(Directory.GetFiles(folder, "*.*", SearchOption.AllDirectories)
.Where(p => p.EndsWithAny(imageExtensions)));
}
else
{
filePaths.AddRange(Directory.GetFiles(folder).Where(p => p.EndsWithAny(imageExtensions)));
}
}
return(filePaths
.Select(p => new FileInfo(p)).ToList());
}
throw new InvalidOperationException("Invalid info is provided for folder and file names.");
}
