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Some updates #3

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Binary file added TreeViewInMVC/App_Data/database-20230407.sql
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68 changes: 68 additions & 0 deletions TreeViewInMVC/Binders/TreeModelBinder.cs
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@@ -0,0 +1,68 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using TreeViewInMVC.Models;
using Newtonsoft.Json;

namespace TreeViewInMVC.Binders
{
public class TreeModelBinder : IModelBinder
{
public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext)
{
HttpRequestBase request = controllerContext.HttpContext.Request;

var listTreeHidden = JsonConvert.DeserializeObject<List<TreeModel>>(request.Form.Get("treeHidden"));

if (listTreeHidden.Count > 0)
{
var selectedIds = JsonConvert.DeserializeObject<List<int>>(request.Form.Get("treeHiddenSelected"));

if (selectedIds.Count > 0)
{
for (int i = 0; i < listTreeHidden.Count; i++)
{
if (selectedIds.Contains(listTreeHidden[i].Id))
listTreeHidden[i].Selected = true;
}

}

if (listTreeHidden.Count > 1)
{
var listWithoutParentId = listTreeHidden.Where(x => x.ParentId == null).ToList();

var newlist = new List<TreeModel>();

for (int i = 0; i < listWithoutParentId.Count; i++)
{
newlist.Add(OrganizeChildrenItems(listWithoutParentId[i], ref listTreeHidden));
}

listTreeHidden = newlist;

}
}

return listTreeHidden;
}

TreeModel OrganizeChildrenItems(TreeModel item, ref List<TreeModel> list)
{
if (!list.Any(x => x.ParentId == item.Id))
return item;

if (item.Childs == null)
item.Childs = new List<TreeModel>();

foreach (TreeModel child in list.Where(x => x.ParentId == item.Id))
{
item.Childs.Add(OrganizeChildrenItems(child, ref list));
}

return item;
}
}
}
10 changes: 7 additions & 3 deletions TreeViewInMVC/Controllers/HomeController.cs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,5 @@
using System;
using System.Collections.Generic;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using TreeViewInMVC.Models;

Expand Down Expand Up @@ -34,5 +32,11 @@ public ActionResult TreeView()
return View(db.TreeModel.Where(x => !x.ParentId.HasValue).ToList());
}

[HttpPost]
public ActionResult TreeView(List<TreeModel> model)
{
return View(model);
}

}
}
4 changes: 4 additions & 0 deletions TreeViewInMVC/Global.asax.cs
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Expand Up @@ -5,6 +5,8 @@
using System.Web.Mvc;
using System.Web.Optimization;
using System.Web.Routing;
using TreeViewInMVC.Binders;
using TreeViewInMVC.Models;

namespace TreeViewInMVC
{
Expand All @@ -16,6 +18,8 @@ protected void Application_Start()
FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
RouteConfig.RegisterRoutes(RouteTable.Routes);
BundleConfig.RegisterBundles(BundleTable.Bundles);

ModelBinders.Binders.Add(typeof(List<TreeModel>), new TreeModelBinder());
}
}
}
6 changes: 6 additions & 0 deletions TreeViewInMVC/Models/IdentityModels.cs
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Expand Up @@ -25,6 +25,12 @@ public ApplicationDbContext()
{
}

protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
Database.SetInitializer<ApplicationDbContext>(null);
base.OnModelCreating(modelBuilder);
}

public static ApplicationDbContext Create()
{
return new ApplicationDbContext();
Expand Down
50 changes: 48 additions & 2 deletions TreeViewInMVC/Models/Tree.cs
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Expand Up @@ -2,6 +2,7 @@
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Reflection.Emit;
using System.Web;
using System.Web.Mvc;
using System.Web.UI;
Expand Down Expand Up @@ -152,6 +153,9 @@ public override string ToString()

var listItems = _items.ToList();

var div = new TagBuilder("div");
div.MergeAttribute("id", "jstree");

var ul = new TagBuilder("ul");
ul.MergeAttributes(_htmlAttributes);
var li = new TagBuilder("li")
Expand All @@ -173,12 +177,41 @@ public override string ToString()
}
ul.InnerHtml += li.ToString();

return ul.ToString();
div.InnerHtml += ul.ToString();

var outerDiv = new TagBuilder("div");
outerDiv.InnerHtml += div.ToString();

var hiddenTreeData = new TagBuilder("input");
hiddenTreeData.MergeAttribute("id", "treeHidden");
hiddenTreeData.MergeAttribute("name", "treeHidden");
hiddenTreeData.MergeAttribute("type", "hidden");
hiddenTreeData.MergeAttribute("value", "");

outerDiv.InnerHtml += hiddenTreeData.ToString();

var hiddenTreeIdsSelecteds = new TagBuilder("input");
hiddenTreeIdsSelecteds.MergeAttribute("id", "treeHiddenSelected");
hiddenTreeIdsSelecteds.MergeAttribute("name", "treeHiddenSelected");
hiddenTreeIdsSelecteds.MergeAttribute("type", "hidden");
hiddenTreeIdsSelecteds.MergeAttribute("value", "");

outerDiv.InnerHtml += hiddenTreeIdsSelecteds.ToString();

return outerDiv.ToString();
}

private void AppendChildren(TagBuilder parentTag, T parentItem, Func<T, IEnumerable<T>> childrenProperty)
{
var children = childrenProperty(parentItem).ToList();

var enumerableList = childrenProperty(parentItem);

if (enumerableList == null)
{
return;
}

var children = enumerableList.ToList();
if (!children.Any())
{
return;
Expand Down Expand Up @@ -215,12 +248,25 @@ private TagBuilder GetLi(T item)
{
if (prop.Name.ToLower() == "id")
li.MergeAttribute("id", prop.GetValue(item, null).ToString());

if (prop.Name.ToLower() == "title")
li.MergeAttribute("data-title", prop.GetValue(item, null).ToString());

if (prop.Name.ToLower() == "description")
li.MergeAttribute("data-description", prop.GetValue(item, null) == null ? "" : prop.GetValue(item, null).ToString());

if (prop.Name.ToLower() == "parentid")
li.MergeAttribute("data-parentId", prop.GetValue(item, null) == null ? "" : prop.GetValue(item, null).ToString());

//li.GenerateId(prop.GetValue(item, null).ToString());
//object propValue = prop.GetValue(myObject, null);
// Do something with propValue
if (prop.Name.ToLower() == "sortorder")
li.MergeAttribute("priority", prop.GetValue(item, null).ToString());
}

li.MergeAttribute("treeJsElement", "treeJsElement");

return li;
}
}
Expand Down
1 change: 1 addition & 0 deletions TreeViewInMVC/Models/TreeModel.cs
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Expand Up @@ -9,6 +9,7 @@ public class TreeModel
public string Title { get; set; }
public string Description { get; set; }
public int? ParentId { get; set; }
public bool Selected { get; set; }
[ForeignKey("ParentId")]
public virtual TreeModel Parent { get; set; }
public virtual ICollection<TreeModel> Childs { get; set; }
Expand Down
2 changes: 2 additions & 0 deletions TreeViewInMVC/TreeViewInMVC.csproj
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Expand Up @@ -25,6 +25,7 @@
<UseGlobalApplicationHostFile />
<NuGetPackageImportStamp>
</NuGetPackageImportStamp>
<Use64BitIISExpress />
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<DebugSymbols>true</DebugSymbols>
Expand Down Expand Up @@ -167,6 +168,7 @@
<Compile Include="App_Start\IdentityConfig.cs" />
<Compile Include="App_Start\RouteConfig.cs" />
<Compile Include="App_Start\Startup.Auth.cs" />
<Compile Include="Binders\TreeModelBinder.cs" />
<Compile Include="Controllers\AccountController.cs" />
<Compile Include="Controllers\HomeController.cs" />
<Compile Include="Controllers\ManageController.cs" />
Expand Down
60 changes: 47 additions & 13 deletions TreeViewInMVC/Views/Home/TreeView.cshtml
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Expand Up @@ -4,19 +4,22 @@
<h2>TreeView</h2>
<link href="~/Content/jstree/dist/themes/default/style.min.css" rel="stylesheet" />
<div class="form-body">
<div id="jstree">
<form method="post">
@*<div id="jstree">*@
@(Html.TreeView(Model)
.EmptyContent("root")
.Children(m => m.Childs)
.HtmlAttributes(new { id = "tree" })
.ChildrenHtmlAttributes(new { @class = "subItem" })
.ItemText(m => m.Title)
.ItemTemplate(
@<text>
<a href="@item.Description" desc="@item.Description">@item.Title</a>
</text>)
.EmptyContent("root")
.Children(m => m.Childs)
.HtmlAttributes(new { id = "tree" })
.ChildrenHtmlAttributes(new { @class = "subItem" })
.ItemText(m => m.Description)
.ItemTemplate(
@<text>
<a href="@item.Description" desc="@item.Description">@item.Title</a>
</text>)
)
</div>
@*</div>*@
<input type="submit" value="Submit" />
</form>
</div>
@section scripts
{
Expand All @@ -43,8 +46,39 @@
"icon": "fa fa-file icon-state-warning icon-lg"
}
},
"plugins": ["dnd", "state", "types", "sort", "checkbox"]
"plugins": ["dnd", "state", "types", "sort", "checkbox"],

});

$('#jstree').on('changed.jstree', function (e, data) {
var i, j, r = [], m = [];
for (i = 0, j = data.selected.length; i < j; i++) {
r.push(data.instance.get_node(data.selected[i]).id);
}

$('#treeHiddenSelected').val(JSON.stringify(r));
});

});
</script>

let list = $("li[treejselement='treeJsElement']").map(function () { return $(this).attr("id"); }).get();

var elem = {}, n = [];

if (list.length > 0) {

for (var i = 0; i < list.length; i++) {
elem = $("li#" + list[i] + "[treejselement='treeJsElement']");
n.push({
Id: list[i],
Title: elem.data("title"),
Description: elem.data("description"),
ParentId: elem.data("parentid")
});
}

$('#treeHidden').val(JSON.stringify(n));
}

</script>
}