Created
November 12, 2012 07:00
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Basic Dynamic Filter
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| <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/ForumMain.master" | |
| Inherits="System.Web.Mvc.ViewPage<List<MvcForums.Models.Forum>>" %> | |
| <asp:Content ID="Content2" ContentPlaceHolderID="head" runat="server"> | |
| <style type="text/css"> | |
| #filterHeader | |
| { | |
| margin-bottom: 10px; | |
| font-size: 16px; | |
| display:block; | |
| } | |
| </style> | |
| <script type="text/javascript"> | |
| var approvalFilterState = {}; | |
| $(document).ready(function () { | |
| var approvalFilterCheckboxes = $(".approvalFilterChkbox"); | |
| for (var i = 0; i < approvalFilterCheckboxes.length; ++i) { | |
| approvalFilterState[approvalFilterCheckboxes[i].value] = approvalFilterCheckboxes[i].checked; | |
| } | |
| }); | |
| function filterResults(filterOption) { | |
| approvalFilterState[filterOption.value] = !approvalFilterState[filterOption.value]; | |
| var filterOption = determineApprovalFilterOption(); | |
| updateAdminPanel(filterOption); | |
| } | |
| function updateAdminPanel(filterOption) { | |
| $.ajax( | |
| { | |
| type: 'POST', | |
| url: '<%=Url.Action("Filter","Forum")%>/' + filterOption, | |
| success: function (response) { | |
| $('#mainDisplayArea').html(response); | |
| }, | |
| error: function (response) { | |
| alert(response); | |
| } | |
| }); | |
| } | |
| function determineApprovalFilterOption() { | |
| if (approvalFilterState["all"] || (approvalFilterState["approved"] && approvalFilterState["unapproved"])) | |
| return "all"; | |
| if (approvalFilterState["approved"]) | |
| return "approved"; | |
| if (approvalFilterState["unapproved"]) | |
| return "unapproved"; | |
| return "none"; | |
| } | |
| </script> | |
| </asp:Content> | |
| <asp:Content ID="Content3" ContentPlaceHolderID="header" runat="server"> | |
| </asp:Content> | |
| <asp:Content ID="Content1" ContentPlaceHolderID="MainContent" runat="server"> | |
| <div style="float:left;" id="filterArea"> | |
| <span id="filterHeader">Filters....</span> | |
| <br /> | |
| <input class="approvalFilterChkbox" type="checkbox" onclick="javascript: filterResults(this)" id="filterAll" value="all" /> All Reviews | |
| <br /> | |
| <input class="approvalFilterChkbox" type="checkbox" onclick="javascript: filterResults(this)" id="filterApproved" value="approved" /> Approved Reviews | |
| <br /> | |
| <input class="approvalFilterChkbox" type="checkbox" onclick="javascript: filterResults(this)" id="filterUnapproved" value="unapproved" /> Unapproved Reviews | |
| <br /> | |
| </div> | |
| <div id="mainDisplayArea"> | |
| <% @Html.Partial("FilterArea",Model); %> | |
| </div> | |
| </asp:Content> | |
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| public class ForumController : Controller | |
| { | |
| // | |
| // GET: /Forum/ | |
| MvcForumsEntities _entities; | |
| public List<Forum> _currentForums; | |
| public ForumController() | |
| { | |
| _entities = new MvcForumsEntities(); | |
| _currentForums = new List<Forum>(); | |
| } | |
| [AcceptVerbs(HttpVerbs.Get)] | |
| public ActionResult Filter() | |
| { | |
| _entities = new MvcForumsEntities(); | |
| var tempForums = (from forum in _entities.Forum select forum).ToList(); | |
| return View(tempForums); | |
| } | |
| [AcceptVerbs(HttpVerbs.Post)] | |
| public PartialViewResult Filter(string approvalFilter) | |
| { | |
| switch(approvalFilter) | |
| { | |
| case("approved"): | |
| _currentForums = (from forum in _entities.Forum where forum.id != 1 select forum).ToList(); | |
| break; | |
| case("unapproved"): | |
| _currentForums = (from forum in _entities.Forum where forum.id % 2 != 1 select forum).ToList(); | |
| break; | |
| case("none"): | |
| _currentForums = new List<Forum>(); | |
| break; | |
| case("all"): | |
| _currentForums = (from forum in _entities.Forum select forum).ToList(); | |
| break; | |
| } | |
| return PartialView("FilterArea", _currentForums); | |
| } |
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| <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<List<MvcForums.Models.Forum>>" %> | |
| <div class="phoneReviewArea"> | |
| <% foreach (MvcForums.Models.Forum forum in Model) | |
| {%> | |
| holler | |
| <%=forum.description %> | |
| <%} %> | |
| </div> | |
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| public static void RegisterRoutes(RouteCollection routes) | |
| { | |
| routes.IgnoreRoute("{resource}.axd/{*pathInfo}"); | |
| routes.MapRoute("ForumFilter", | |
| "Forum/Filter/{approvalFilter}", | |
| new { controller = "Forum", action = "Filter", approvalFilter = "all" }); | |
| routes.MapRoute( | |
| "Default", // Route name | |
| "{controller}/{action}/{id}", // URL with parameters | |
| new { controller = "Home", action = "Index", id = UrlParameter.Optional } // Parameter defaults | |
| ); |
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