plompd

private void Bootstrapper_Bootstrapped(object sender, EventArgs e)
{
    FrontendModule.Current.DependencyResolver.Rebind<IImageModel>().To<CustomImageModel>();
}

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 [TypeConverter(typeof(ExpandableObjectConverter))]
  public class CustomImageModel : ImageModel
  {
      public bool UseAdaptiveRendering { get; set; }
      public string MobileUrl { get; set; }
      public string TabletUrl { get; set; }

      public override ImageViewModel GetViewModel()
      {
          var viewModel = base.GetViewModel();

plompd

public class CustomImageViewModel : ImageViewModel
{
    public bool UseAdaptiveRendering { get; set; }
    public string MobileUrl { get; set; }
    public string TabletUrl { get; set; }
}

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/// <summary>
/// Export to Excel
/// </summary>
/// <param name="controls"></param>
public void ExportListFromTsv(List<ControlToExport> controls)
{
    Response.ClearContent();
    Response.AddHeader("content-disposition", "attachment;filename=LayoutAndGridControls.xls");
    Response.AddHeader("Content-Type", "application/vnd.ms-excel");
    WriteTsv(controls, Response.Output);

plompd

/// <summary>
/// Write Tsv from IEnumerable data
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="data"></param>
/// <param name="output"></param>
public void WriteTsv<T>(IEnumerable<T> data, TextWriter output)
{
    PropertyDescriptorCollection props = TypeDescriptor.GetProperties(typeof(T));
    foreach (PropertyDescriptor prop in props)

plompd

/// <summary>
/// Get Grid and Layout controls from pages and templates
/// </summary>
private void GetGridAndLayoutControlsFromPagesAndTemplates()
{
    // Store controls in collection
    var controlsToExport = new List<ControlToExport>();

    // Get a PageManager and suppress security checks
    var pageManager = PageManager.GetManager();

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public class ControlToExport
{
    public string ControlCaption { get; set; }
    public bool IsLayoutControl { get; set; }
    public string ObjectType { get; set; }
    public string Placeholder { get; set; }
    public DateTime LastModified { get; set; }
    public string PageTitle { get; set; }
    public string PageStatus { get; set; }
    public string TemplateTitle { get; set; }

plompd

SELECT *
FROM sf_page_templates
WHERE id IN (SELECT page_id
FROM sf_object_data
WHERE caption_ = '<caption of layout control - e.g. grid-12>')

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SELECT *
FROM sf_page_node
WHERE content_id IN (SELECT page_id
FROM sf_object_data
WHERE caption_ = '<caption of layout control - e.g. grid-12>')

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[ControllerToolboxItem(Name = "MessageWidget", Title = "Message Widget", SectionName = "MvcWidgets")]
public class MessageWidgetController : Controller