Disco/Disco.Web/Views/Device/Export.cshtml

@using Disco.Web.Models.Device;
@using Disco.Models.Services.Devices;
@model ExportModel
@{
    Authorization.RequireAny(Claims.Device.Actions.Export);

    ViewBag.Title = Html.ToBreadcrumb("Devices", MVC.Device.Index(), "Export Devices");

    var optionsMetadata = ModelMetadata.FromLambdaExpression(m => m.Options, ViewData);
    var optionGroups = optionsMetadata.Properties.Where(p => p.ShortDisplayName != null && p.ModelType == typeof(bool))
        .GroupBy(m => m.ShortDisplayName);
}
<div id="Devices_Export">
    @using (Html.BeginForm(MVC.API.Device.Export()))
    {
        <div id="Devices_Export_Type" class="form" style="width: 530px">
            <h2>Export Type</h2>
            <table>
                <tr>
                    <th style="width: 150px">Type:
                    </th>
                    <td>
                        @Html.DropDownListFor(m => m.Options.ExportType, Enum.GetNames(typeof(Disco.Models.Services.Devices.Exporting.DeviceExportTypes)).Select(t => new SelectListItem() { Text = t, Value = t }))
                        <div id="Devices_Export_Type_Target_Batch" class="Devices_Export_Type_Target">
                            @Html.DropDownListFor(m => m.Options.ExportTypeTargetId, Model.DeviceBatches.Select(i => new SelectListItem() { Value = i.Key.ToString(), Text = i.Value }))
                        </div>
                        <div id="Devices_Export_Type_Target_Model" class="Devices_Export_Type_Target">
                            @Html.DropDownListFor(m => m.Options.ExportTypeTargetId, Model.DeviceModels.Select(i => new SelectListItem() { Value = i.Key.ToString(), Text = i.Value }))
                        </div>
                        <div id="Devices_Export_Type_Target_Profile" class="Devices_Export_Type_Target">
                            @Html.DropDownListFor(m => m.Options.ExportTypeTargetId, Model.DeviceProfiles.Select(i => new SelectListItem() { Value = i.Key.ToString(), Text = i.Value }))
                        </div>
                    </td>
                </tr>
                <tr>
                    <th>&nbsp;</th>
                    <td>
                        @Html.CheckBoxFor(m => m.Options.ExcelCsvFormat) <label for="Options_ExcelCsvFormat">Microsoft Excel CSV Format</label>
                    </td>
                </tr>
            </table>
        </div>
        <div id="Devices_Export_Fields" class="form" style="width: 530px; margin-top: 15px;">
            <h2>Export Fields <a id="Devices_Export_Fields_Defaults" href="#">(Defaults)</a></h2>
            <table>
                @foreach (var optionGroup in optionGroups)
                {
                    var optionFields = optionGroup.ToList();
                    var itemsPerColumn = (int)Math.Ceiling((double)optionFields.Count / 2);
                    <tr>
                        <th style="width: 120px;">
                            @optionGroup.Key
                            @if (optionFields.Count > 2)
                            {
                                <span style="display: block;" class="select"><a class="selectAll" href="#">ALL</a> | <a class="selectNone" href="#">NONE</a></span>
                            }
                        </th>
                        <td>
                            <div class="Devices_Export_Fields_Group">
                                <table class="none">
                                    <tr>
                                        <td style="width: 50%">
                                            <ul class="none">
                                                @foreach (var optionItem in optionFields.Take(itemsPerColumn))
                                                {
                                                    <li title="@optionItem.Description">
                                                        <input type="checkbox" id="Options_@optionItem.PropertyName" name="Options.@optionItem.PropertyName" value="true" @(((bool)optionItem.Model) ? "checked " : null)/><label for="Options_@optionItem.PropertyName">@optionItem.DisplayName</label></li>
                                                }
                                            </ul>
                                        </td>
                                        <td style="width: 50%">
                                            <ul class="none">
                                                @foreach (var optionItem in optionFields.Skip(itemsPerColumn))
                                                {
                                                    <li title="@optionItem.Description">
                                                        <input type="checkbox" id="Options_@optionItem.PropertyName" name="Options.@optionItem.PropertyName" value="true" @(((bool)optionItem.Model) ? "checked " : null)/><label for="Options_@optionItem.PropertyName">@optionItem.DisplayName</label></li>
                                                }
                                            </ul>
                                        </td>
                                    </tr>
                                </table>
                            </div>
                        </td>
                    </tr>            
                }
            </table>
        </div>
        <script>
            $(function () {
                var exportDefaultFields = ['DeviceSerialNumber', 'ModelId', 'ProfileId', 'BatchId', 'AssignedUserId', 'DeviceLocation', 'DeviceAssetNumber'];
                var $exportFields = $('#Devices_Export_Fields');
                var $exportType = $('#Options_ExportType');
                var $exportTypeTargetContainers = $('#Devices_Export_Type').find('.Devices_Export_Type_Target');
                var $form = $exportType.closest('form');
                var $exportingDialog = null;

                function exportTypeChange() {
                    $exportTypeTargetContainers.hide();
                    $exportTypeTargetContainers.find('select').prop('disabled', true);

                    switch ($exportType.val()) {
                        case 'Batch':
                            $('#Devices_Export_Type_Target_Batch').show().find('select').prop('disabled', false);
                            break;
                        case 'Profile':
                            $('#Devices_Export_Type_Target_Profile').show().find('select').prop('disabled', false);
                            break;
                        case 'Model':
                            $('#Devices_Export_Type_Target_Model').show().find('select').prop('disabled', false);
                            break;
                    }
                }
                $exportType.change(exportTypeChange);
                exportTypeChange();

                $exportFields.on('click', 'a.selectAll,a.selectNone', function () {
                    var $this = $(this);

                    $this.closest('tr').find('input').prop('checked', $this.is('.selectAll'));

                    return false;
                });

                $('#Devices_Export_Fields_Defaults').click(function () {

                    $exportFields.find('input').prop('checked', false);

                    $.each(exportDefaultFields, function (index, value) {
                        $('#Options_' + value).prop('checked', true);
                    });

                    return false;
                });

                // Submit Validation
                function submitHandler() {
                    var exportFieldCount = $exportFields.find('input:checked').length;

                    if (exportFieldCount > 0) {

                        if ($exportingDialog == null) {
                            $exportingDialog = $('#Devices_Export_Exporting').dialog({
                                width: 400,
                                height: 160,
                                resizable: false,
                                modal: true,
                                autoOpen: false
                            });
                        }
                        $exportingDialog.dialog('open');

                        $form[0].submit();
                    }
                    else
                        alert('Select at least one field to export.');
                }
                $.validator.unobtrusive.parse($form);
                $form.data("validator").settings.submitHandler = submitHandler;

                $('#Devices_Export_Download_Dialog').dialog({
                    width: 400,
                    resizable: false,
                    modal: true,
                    autoOpen: true
                });
                $('#Devices_Export_Button').click(function () {
                    $form.submit();
                });
            });
        </script>
    }
</div>
@if (Model.ExportSessionId != null)
{
    <div id="Devices_Export_Download_Dialog" class="dialog" title="Export Devices">
        <h4>@Model.ExportSessionResult.RecordCount record@(Model.ExportSessionResult.RecordCount != 1 ? "s" : null) were successfully exported.</h4>
        <a href="@Url.Action(MVC.API.Device.ExportRetrieve(Model.ExportSessionId))" class="button"><i class="fa fa-download fa-lg"></i>Download Device Export</a>
    </div>
    <script>
        $(function () {
            $('#Devices_Export_Download_Dialog')
                .dialog({
                    width: 400,
                    height: 160,
                    resizable: false,
                    modal: true,
                    autoOpen: true
                });
        });
    </script>
}
<div id="Devices_Export_Exporting" class="dialog" title="Exporting Devices...">
    <h4><i class="fa fa-lg fa-cog fa-spin" title="Please Wait"></i>Exporting devices...</h4>
</div>
<div class="actionBar">
    <a id="Devices_Export_Button" href="#" class="button">Export Devices</a>
</div>