void Command_Files_Operations_CopyMove(CopyMoveFilesDialog.Result result, bool move)
{
var variables = GetVariables();
var oldFileNameExpression = new NEExpression(result.OldFileName);
var newFileNameExpression = new NEExpression(result.NewFileName);
var resultCount = variables.ResultCount(oldFileNameExpression, newFileNameExpression);
var oldFileNames = oldFileNameExpression.EvaluateRows<string>(variables, resultCount);
var newFileNames = newFileNameExpression.EvaluateRows<string>(variables, resultCount);
const int InvalidCount = 10;
var invalid = oldFileNames.Distinct().Where(name => !FileOrDirectoryExists(name)).Take(InvalidCount).ToList();
if (invalid.Any())
throw new Exception($"Sources don't exist:\n{string.Join("\n", invalid)}");
invalid = newFileNames.Select(name => Path.GetDirectoryName(name)).Distinct().Where(dir => !Directory.Exists(dir)).Take(InvalidCount).ToList();
if (invalid.Any())
throw new Exception($"Directories don't exist:\n{string.Join("\n", invalid)}");
// If user specified a file and a directory, assume they want the file (with the same name) in that directory
newFileNames = newFileNames.Zip(oldFileNames, (newFileName, oldFileName) => (File.Exists(oldFileName)) && (Directory.Exists(newFileName)) ? Path.Combine(newFileName, Path.GetFileName(oldFileName)) : newFileName).ToList();
invalid = oldFileNames.Zip(newFileNames, (oldFileName, newFileName) => new { oldFileName, newFileName }).Where(obj => (Directory.Exists(obj.newFileName)) || ((Directory.Exists(obj.oldFileName)) && (File.Exists(obj.newFileName)))).Select(pair => pair.newFileName).Distinct().Take(InvalidCount).ToList();
if (invalid.Any())
throw new Exception($"Destinations already exist:\n{string.Join("\n", invalid)}");
if (new Message(WindowParent)
{
Title = "Confirm",
Text = $"Are you sure you want to {(move ? "move" : "copy")} these {resultCount} files/directories?",
Options = Message.OptionsEnum.YesNo,
DefaultAccept = Message.OptionsEnum.Yes,
DefaultCancel = Message.OptionsEnum.No,
}.Show() != Message.OptionsEnum.Yes)
return;
invalid = newFileNames.Where(pair => File.Exists(pair)).Distinct().Take(InvalidCount).ToList();
if (invalid.Any())
{
if (new Message(WindowParent)
{
Title = "Confirm",
Text = $"Are you sure you want to overwrite these files:\n{string.Join("\n", invalid)}",
Options = Message.OptionsEnum.YesNo,
DefaultAccept = Message.OptionsEnum.Yes,
DefaultCancel = Message.OptionsEnum.No,
}.Show() != Message.OptionsEnum.Yes)
return;
}
for (var ctr = 0; ctr < oldFileNames.Count; ++ctr)
if (Directory.Exists(oldFileNames[ctr]))
{
if (move)
Directory.Move(oldFileNames[ctr], newFileNames[ctr]);
else
CopyDirectory(oldFileNames[ctr], newFileNames[ctr]);
}
else
{
if (File.Exists(newFileNames[ctr]))
File.Delete(newFileNames[ctr]);
if (move)
File.Move(oldFileNames[ctr], newFileNames[ctr]);
else
File.Copy(oldFileNames[ctr], newFileNames[ctr]);
}
}
public static Result Run(Window parent, NEVariables variables, bool move)
{
var dialog = new CopyMoveFilesDialog(variables, move) { Owner = parent };
return dialog.ShowDialog() ? dialog.result : null;
}
