using System;
using System.ComponentModel;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace Inferis.Web.Controls {
    public class EditableRepeater : Repeater {
        private ITemplate editorTemplate;

        [DefaultValue((string)null), Browsable(false), PersistenceMode(PersistenceMode.InnerProperty), TemplateContainer(typeof(RepeaterItem))]
        public virtual ITemplate EditorTemplate {
            get {
                return this.editorTemplate;
            }
            set {
                this.editorTemplate = value;
            }
        }

        public int EditItemIndex {
            get { return ViewState["EditItemIndex"] != null ? (int)ViewState["EditItemIndex"] : -1; }
            set { ViewState["EditItemIndex"] = value; }
        }

        protected override RepeaterItem CreateItem(int itemIndex, ListItemType itemType) {
            if (itemIndex == EditItemIndex)
                itemType = ListItemType.EditItem;
            return base.CreateItem(itemIndex, itemType);
        }

        protected override void InitializeItem(RepeaterItem item) {
            if (editorTemplate != null && item.ItemType == ListItemType.EditItem)
                editorTemplate.InstantiateIn(item);
            else
                base.InitializeItem(item);
        }
    }
}