public OperationDetailsViewModel(FileSystemState fileSystemState, OperationInfo operation)
{
properties.Clear();
properties.Add(new PropertyValue("Title", operation.Title));
properties.Add(new PropertyValue("Id", operation.Id.ToString()));
properties.Add(new PropertyValue("DependencyCount", operation.DependencyCount.ToString()));
properties.Add(new PropertyValue("Executable", operation.Command.Executable.ToString()));
properties.Add(new PropertyValue("WorkingDirectory", operation.Command.WorkingDirectory.ToString()));
properties.Add(new PropertyValue("Arguments", operation.Command.Arguments));
var declaredInputFiles = fileSystemState.GetFilePaths(operation.DeclaredInput);
var declaredOutputFiles = fileSystemState.GetFilePaths(operation.DeclaredOutput);
var readAccessFiles = fileSystemState.GetFilePaths(operation.ReadAccess);
var writeAccessFiles = fileSystemState.GetFilePaths(operation.WriteAccess);
properties.Add(new PropertyValue("DeclaredInput", string.Concat(declaredInputFiles)));
properties.Add(new PropertyValue("DeclaredOutput", string.Concat(declaredOutputFiles)));
properties.Add(new PropertyValue("ReadAccess", string.Concat(readAccessFiles)));
properties.Add(new PropertyValue("WriteAccess", string.Concat(writeAccessFiles)));
}