Lightweight vertical tabs using ASP.NET MVC

SupperSlonic

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22 Aug 2013CPOL1 min read

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Easily create vertical tabs on a web page with no JavaScript and minimum CSS.

Download sample - 2.57 MB

Introduction

I wrote for my web site a pretty control, based on a Partial View, which allows you to place vertical tabs on your web page easily with no JavaScript and minimum CSS.

Using the code

Model

Everything begins with a model that describes a tab control. This model has the following properties:

Id: A unique identifier of the element.
Alignment: Describes where the tab is located: on the left or on the right side of the screen.
Top: The offset that should be applied to a control from the top of the screen.
Href: Specifies where the browser should navigate on a click event. If not specified, will automatically generate an anchor based on the ID value, for instance, “#description”. You can override it with any custom URL.
TabImage: For this tab control, image should be used as a background. This property is resolved automatically by searching for an image with name equal to the ID property. For instance, “~/Content/img/description.png”. You can change this behavior, for me it was just convenient.

public class TabWidgetModel
{
    public TabWidgetModel(String id, Alignment alignment, String top)
    {
        this.Id = id;
        this.Alignment = alignment;
        this.Top = top;
        this.Href = "#" + this.Id;
    }

    public TabWidgetModel(String id, Alignment alignment, String top, String href)
    {
        this.Id = id;
        this.Alignment = alignment;
        this.Top = top;
        this.Href = href;
    }

    public String Id { get; set; }

    public Alignment Alignment { get; set; }

    public String Top { get; set; }

    public String Href { get; set; }

    public String TabImage
    {
        get { return "~/Content/img/" + this.Id + ".png"; }
    }
}

Partial View

All common styles for tabs are stored in a CSS file. All styles particular for the specific tab are automatically generated in a view:

ASP.NET

@model TabWidgetExample.Models.TabWidgetModel
<style>
body a#@Model.Id, body a#@Model.Id:link
{@Model.Alignment: 0;top: @this.Model.Top !important;margin-@this.Model.Alignment: -5px 
  !important;background-image: url(@Url.Content(this.Model.TabImage));}
body a#@this.Model.Id:hover
{ margin-@this.Model.Alignment: -3px !important; }
* html a#@this.Model.Id, * html a#@this.Model.Id:link
{ filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='@Url.Content(this.Model.TabImage)'); }
</style>
<a id="@this.Model.Id" class="menu" href="@this.Model.Href"></a>

How to use

Populate a list of required tabs in a controller:

List<TabWidgetModel> model = new List<TabWidgetModel>();
//Left side
model.Add(new TabWidgetModel("about", Alignment.Left, "100px", "http://supperslonic.com"));
//Right side
model.Add(new TabWidgetModel("shop", Alignment.Right, "100px"));
model.Add(new TabWidgetModel("news", Alignment.Right, "201px"));
model.Add(new TabWidgetModel("search", Alignment.Right, "302px"));
return View(model);

Generate an HTML for the tabs in any place of you view using a Partial View:

ASP.NET

@using TabWidgetExample.Models;
@model IList<TabWidgetModel>
@{
    ViewBag.Title = "Index";
}
<html>
    <head>
        <title>Tab Widgets</title>
        <link href="~/Content/css/tabWidget.css" 
           rel="stylesheet" type="text/css" />
    </head>
<body>
    
    ...
    
    @foreach (TabWidgetModel tabWidget in this.Model)
    { @Html.Partial("TabWidget", tabWidget) }
</body>
</html>

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Written By

SupperSlonic

Software Developer (Senior)

United States

https://supperslonic.com/
https://www.facebook.com/profile.php?id=100004059913750

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