~bas-dotbas/do/win32-next

// ItemSource.cs created with MonoDevelop

// User: dave at 1:08 AM 8/17/2007

//

// To change standard headers go to Edit->Preferences->Coding->Standard Headers

//

 

using System;

using System.Collections.Generic;

 

using Do.Universe;

 

namespace Do.Core

{

        

        public class ItemSource : GCObject 

        {

        

                public static readonly string DefaultItemSourceName = "";

                public static readonly string DefaultItemSourceDescription = "";

                public static readonly string DefaultItemSourceIcon = "";

                

                private bool enabled;

                protected IItemSource source;

                protected List<Item> items;

                

                public ItemSource (IItemSource source)

                {

                        if (source == null) {

                                throw new ArgumentNullException ();

                        }

                        this.source = source;

                        items = new List<Item> ();

                        foreach (IItem item in source.Items) {

                                items.Add (new Item (item));

                        }

                        enabled = true;

                }

                

                public override string Name {

                        get { return (source.Name == null ? DefaultItemSourceName : source.Name); }

                }

                

                public override string Description {

                        get { return (source.Description == null ? DefaultItemSourceDescription : source.Description); }

                }

                

                public override string Icon {

                        get { return (source.Icon == null ? DefaultItemSourceIcon : source.Icon); }

                }

                

                public bool UpdateItems () {

                        if (source.UpdateItems ()) {

                                items.Clear ();

                                items = new List<Item> ();

                                foreach (IItem item in source.Items) {

                                        items.Add (new Item (item));

                                }

                                return true;

                        } else {

                                return false;

                        }

                }

                

                public ICollection<Item> Items {

                        get { return items; }

                }

                

                public bool Enabled {

                        get { return enabled; }

                        set { enabled = value; }

                }

                

                public override string ToString ()

                {

                        string items_str = GetType().ToString() + " {";

                        foreach (Item item in items) {

                                items_str = String.Format ("{0}\t{1}\n", items_str, item);

                        }

                        items_str += "}";

                        return items_str;

                }

                

        }

}