How to implement the "Step Wizard"

Create: /models/WizardStepViewModel.cs

using System;

namespace {service}.Web.Portal.Models
{
    public enum WizardStepState
    {
        NotAccessed,
        Completed,
        Incomplete,
        InProgress,
        Inapplicable,
        Summary
    }

    public class WizardStepViewModel
    {
        public string Title { get; set; }
        public string Url { get; set; }
        public WizardStepState State { get; set; }

        public string GetUrl()
        {
            return State == WizardStepState.Inapplicable ||
                   State == WizardStepState.NotAccessed
                ? null
                : Url;
        }
    }
}

Create: /models/WizardViewModel.cs

using System.Collections.Generic;
using System.Linq;

namespace {service}.Web.Portal.Models
{
    public class WizardViewModel
    {
        public WizardViewModel()
        {
            WizardSteps = new List<WizardStepViewModel>();
        }

        public ICollection<WizardStepViewModel> WizardSteps { get; set; }
        public int Count => WizardSteps.Count;
        public int? LastCompletedIndex => WizardSteps.Reverse()
                                          .Select((x,i) => new {State = x.State, Index = Count - i - 1})
                                          .FirstOrDefault(x=>x.State == WizardStepState.Completed)
                                          ?.Index;
        public int? InProgressIndex => WizardSteps.Reverse()
                                          .Select((x, i) => new { State = x.State, Index = Count - i - 1})
                                          .FirstOrDefault(x => x.State == WizardStepState.InProgress)
                                          ?.Index;
    }
}

Create: /views/shared/wizard.cshtml

@using {service}.Web.Portal.Models
@model  {service}.Web.Portal.Models.WizardViewModel
<!--From: https://bootsnipp.com/user/snippets/aRlN3 -->
@functions {

    int CalculateConnectingLineWidth(WizardViewModel wizard)
    {
        int[] lineMap = { -1, -1, 48, 69, 79, 80, 80, 84, 84, 91, 91 };
        return wizard.Count <= 10 ? lineMap[Model.WizardSteps.Count] : 100;
    }

    int CalculateCompletionLineStartingPosition(WizardViewModel wizard)
    {
        int[] lineMap = { -1, -1, 27, 15, 11, 9, 9, 9, 8, 7, 7 };
        return wizard.Count <= 10 ? lineMap[Model.WizardSteps.Count] : 178;
    }

    int CalculateCompletionLineWidth(WizardViewModel wizard)
    {
        var inProgressIndex = wizard.InProgressIndex;
        var lastCompletedIndex = wizard.LastCompletedIndex;
        if (!inProgressIndex.HasValue && !lastCompletedIndex.HasValue)
        {
            return 0;
        }

        // in case the inProgress index hasn't been defined, use the lastCompleted index
        int index = inProgressIndex.HasValue
                        ? inProgressIndex.Value
                        : lastCompletedIndex.GetValueOrDefault();

        if (index == 0)
        {
            return 0;
        }
        int fullWidth = CalculateConnectingLineWidth(wizard);
        int singleWidth = fullWidth / (wizard.Count - 1);
        return singleWidth * index;
    }
}
<style>
@@media screen and ( max-width : 585px ) {
    .app-name-submenu {
        font-size: 25px;
    }
 }

    .wizard .nav-tabs > li {
        width: @(100 / Model.WizardSteps.Count)%;
    }

    .connecting-line {
        width: @CalculateConnectingLineWidth(Model)%;
    }

    .completion-line {
        width: @CalculateCompletionLineWidth(Model)%;
        left: @CalculateCompletionLineStartingPosition(Model)%;
    }
</style>

<div class="row">
    <section>
        <div class="wizard">
            <div class="wizard-inner">
                <div class="completion-line"></div>
                <div class="connecting-line"></div>
                <ul class="nav nav-tabs">
                    @{
                        int counter = 1;
                    }
                    @foreach (var wizardStep in Model.WizardSteps)
                    {
                        <li role="presentation" class="@(wizardStep.State == WizardStepState.InProgress ? "active": "")@(wizardStep.State == WizardStepState.Completed ? "completed": "")">
                            <p class="step-label-top">Step @counter</p>
                            <a @Html.Raw(wizardStep.GetUrl() != null ? string.Format("href=\"{0}\"", wizardStep.GetUrl()) : "") aria-label="step@count">
                                <span class="round-tab@(wizardStep.GetUrl()==null?"":" pointer")">
                                    @if (counter != Model.Count)
                                    {
                                        switch (wizardStep.State)
                                        {
                                            case WizardStepState.NotAccessed:
                                                <i class="fa fa-file-text"></i>
                                                break;
                                            case WizardStepState.Completed:
                                                <i class="fa fa-check fa-lg"></i>
                                                break;
                                            case WizardStepState.Incomplete:
                                                <i class="fa fa-exclamation-triangle fa-lg"></i>
                                                break;
                                            case WizardStepState.InProgress:
                                                <i class="fa fa-file-text fa-lg bg-white"></i>
                                                break;
                                            case WizardStepState.Inapplicable:
                                                <i class="fa fa-minus fa-lg"></i>
                                                break;
                                            case WizardStepState.Summary:
                                                <i class="fa fa-print fa-lg"></i>
                                                break;
                                            default:
                                                throw new ArgumentOutOfRangeException();
                                        }
                                    }
                                    else
                                    {
                                        <i class="fa fa-paper-plane fa-lg"></i>
                                    }
                                </span>
                            </a>
                            <div style="width:100%">
                                <div class="step-label-bottom">@wizardStep.Title</div>
                            </div>
                        </li>
                        counter++;
                    }
                </ul>
            </div>
        </div>
    </section>
</div>

Create: /content/css/wizard.css

Edit: /App_Start/BundleConfig.cs

Paste:

Edit your base controller and add:

Find the BaseModel for the Step’s view model:

Add the following property to the BaseModel:

Edit each affected page controller method

(e.g. public ActionResult Step1Page(int id))

Locate the viewmodel, and add:

Edit each affected view(cshtml)

Paste:

Edit _Layout{service}.cshtml

Output the stylesheet:

Render the Wizard, e.g.