FileNode.cs

using System.Threading.Tasks;
using Waher.Runtime.Language;
using Waher.Script;
using Waher.Things.Attributes;
using Waher.Things.Script;
 
namespace Waher.Things.Files
{
    public class FileNode : ScriptReferenceNode
    {
        public FileNode()
        {
        }
 
        [Page(2, "File System", 100)]
        [Header(13, "File:")]
        [ToolTip(14, "Full path to file (on host).")]
        [Text(TextPosition.AfterField, 19, "The file path can be accessible in the FileName variable from associated script.")]
        public string FolderPath { get; set; }
        
        public override string LocalId => FolderNode.GetLocalName(this.FolderPath);
 
        public override Task<string> GetTypeNameAsync(Language Language)
        {
            return Language.GetStringAsync(typeof(FolderNode), 15, "File reference");
        }
 
        public override Task<bool> AcceptsChildAsync(INode Child)
        {
            return Task.FromResult(false);
        }
 
        public override Task<bool> AcceptsParentAsync(INode Parent)
        {
            return Task.FromResult(Parent is FolderNode || Parent is SubFolderNode);
        }
 
        public override void PopulateVariables(Variables Variables)
        {
            Variables["FileName"] = this.FolderPath;
        
            base.PopulateVariables(Variables);
        }
 
    }
}