source: branches/WebApplication/MVC2/HLWebOKBQueryPlugin/Controllers/FilterController.cs @ 6097

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using HLWebOKBQueryPlugin.Models;
using HLWebOKBQueryPlugin.Helpers;
using HLWebOKBQueryPlugin.OKBQueryService;

namespace HLWebOKBQueryPlugin.Controllers
{
    /// <summary>
    /// Controller for the filter subpage.
    /// </summary>
    public class FilterController : Controller
    {
        //
        // GET: /Filter/


        [ChildActionOnly]
        public ActionResult Filters()
        {
            // For ModelViewuUserControl
            return PartialView("Filters"); // name of usercontrol
        }


        /// <summary>
        /// This action will be called from the Filters.ascx
        /// when submitting the form.
        /// </summary>
        /// <param name="collection"></param>
        /// <returns></returns>
        public ActionResult AddFilter(FormCollection collection)
        {
            // Model     
            FilterModel qm = new FilterModel();

            // Get filters from service and set the model
            QueryServiceClient client = Query.GetClientFactory("okbtester", "okbtester");
            List<Filter> filterList = client.GetFilters().ToList();
            qm.Filters = filterList;


            // Selected filter (from combobox)
            string filterType = collection.Get("filtersCombobox");
            Filter filter = filterList.Where(x => x.FilterTypeName.Equals(filterType)).First();


            // Get selected filters form session
            qm.SelectedFilters = (List<Filter>)Session["selectedFilters"];

            // Add Filter only if not exists
            if (qm.SelectedFilters.Where(x => x.FilterTypeName.Equals(filter.FilterTypeName)).Count() == 0)
            {

                qm.SelectedFilters.Add(filter);
            }

            // Set values for the selected filters
            foreach (string s in collection.AllKeys)
            {
                if (s.StartsWith("valueTextbox"))
                {
                    // Get the type of the textbox
                    string type = s.Substring(s.IndexOf(".") + 1);

                    // Get the filter from the selected filters to set the value(s)
                    Filter f = qm.SelectedFilters.Where(x => x.GetType().Name.Equals(type)).First();
                    if ("StringComparisonFilter".Equals(type))
                    {
                        ((StringComparisonFilter)f).Value = collection.Get(s);
                    }
                    else if ("NameStringComparisonFilter".Equals(type))
                    {
                        ((NameStringComparisonFilter)f).Value = collection.Get(s);
                    }
                    // TODO: add for all filter types and will the values (etc.)
                }
            }



            // Set session variable with actual selected filters
            Session["selectedFilters"] = qm.SelectedFilters;

            // "Index" ist the view name. We use here the Index view
            // because the index view renders the Filters() action 
            // that will return to the "Filters.ascx" partial view.
            return View("Index", qm);
        }


        /// <summary>
        /// This action will be called when rendering
        /// the index.aspx. This will hapen the first
        /// time, so the available Filters in the Model
        /// will be set.
        /// </summary>
        /// <returns></returns>
        public ActionResult Index()
        {
            // Set submenu
            Session["SelectedSubMenu"] = "Filter";

            // Init session variable for selected filters
            if (Session["selectedFilters"] == null)
            {
                Session["selectedFilters"] = new List<Filter>();
            }

            // Get available filters from service
            QueryServiceClient client = Query.GetClientFactory("okbtester", "okbtester");
            List<Filter> filterList = client.GetFilters().ToList();

            // Set model
            FilterModel qm = new FilterModel();
            qm.Filters = filterList;

            return View(qm);
        }


    }
}