Disco/Disco.Web/Views/Shared/_GenerateDocumentControl.cshtml

@model Disco.Web.Models.Shared.GenerateDocumentControlModel
@if (Model.Templates.Count > 0 || Model.TemplatePackages.Count > 0)
{
    var selectListItems = new List<SelectListItem>();
    selectListItems.Add(new SelectListItem() { Selected = true, Value = string.Empty, Text = "Generate Document" });
    selectListItems.AddRange(Model.Templates.ToSelectListItems());
    selectListItems.AddRange(Model.TemplatePackages.ToSelectListItems());
    <div id="Document_Generation_Container">
        @Html.DropDownList("Document_Generate", selectListItems)
        <div id="Document_Generation_Dialog" class="dialog" title="Generate Document">
        </div>
    </div>
    <script type="text/javascript">
        $(function () {
            var generatePdfUrl = '@Url.Action(MVC.API.DocumentTemplate.Generate())/';
            var generatePackageUrl = '@Url.Action(MVC.API.DocumentTemplatePackage.Generate())/';
            var generateTargetId = '@HttpUtility.UrlEncode(Model.Target.AttachmentReferenceId)';
            var $control = $('#Document_Generate');
            var $generationHost;

            var downloadDocument = function (templateId) {

                var url;
                if (templateId.lastIndexOf('Package:', 0) === 0)
                    url = generatePackageUrl + templateId.substring(8);
                else
                    url = generatePdfUrl + templateId;
                url = url + '?TargetId=' + generateTargetId;

                if ($.connection && $.connection.hub && $.connection.hub.transport &&
                    $.connection.hub.transport.name == 'foreverFrame') {
                    // SignalR active with foreverFrame transport - use popup window
                    window.open(url, '_blank', 'height=150,width=250,location=no,menubar=no,resizable=no,scrollbars=no,status=no,toolbar=no');
                } else {
                    // use iFrame
                    if (!$generationHost) {
                        $generationHost = $('<iframe>')
                            .attr({ 'src': url, 'title': 'Document Generation Host' })
                            .addClass('hidden')
                            .appendTo('body')
                            .contents();
                    } else {
                        $generationHost[0].location.href = url;
                    }
                }
            }

            $control.change(function () {
                var templateId = $control.val();
                if (templateId) {
                    downloadDocument(templateId);

                    $control.val('').blur();
                }
            });
        });
    </script>
}