using System;
using System.Collections.Generic;
using System.Text;
using System.Web.UI.WebControls;
using Microsoft.SharePoint;

namespace FormGenerator
{
    class FormGeneratorToolPart: Microsoft.SharePoint.WebPartPages.ToolPart
    {
        FormGenerator oFG;
        Panel oToolPartPanel;
        DropDownList oDDLListProvider;

        protected override void CreateChildControls()
        {
            base.CreateChildControls();

            oToolPartPanel = new Panel();
            Controls.Add(oToolPartPanel);

            oDDLListProvider = new DropDownList();                      
            oToolPartPanel.Controls.Add(oDDLListProvider);

            PopulateProviderList();
        }

        private void PopulateProviderList()
        {
            SPListCollection myListCol = SPContext.Current.Web.Lists;
            oDDLListProvider.AppendDataBoundItems = true;            
            foreach (SPList myList in myListCol)
            {
                ListItem myListItem = new ListItem(myList.Title, myList.Title);
                oFG = (FormGenerator)this.ParentToolPane.SelectedWebPart;
                if (oFG.FormList == myList.Title)
                    myListItem.Selected = true;
                oDDLListProvider.Items.Add(myListItem);
            }
        }

        public override void ApplyChanges()
        {
            base.ApplyChanges();
            oFG.FormList = oDDLListProvider.SelectedValue;
        }

        public override void SyncChanges()
        {
            base.SyncChanges();
            oDDLListProvider.SelectedValue = oFG.FormList.ToString();
        }

        protected override void RenderToolPart(System.Web.UI.HtmlTextWriter output)
        {            
            output.Write("<b>List Name Lookup:</b>");
            output.Write("<br/><br/>");
            oDDLListProvider.RenderControl(output);
            output.Write("<br/><div class='UserSectionTitle'>&nbsp;</div><br/>");
        }
    }
}