///<summary>
/// When working with the Presentation Layer for Sitecore, you can specify a Datasource as a property
/// for a control. However, accessing the item that is set brings a bit of a challenge. Hopefully this fixes that.
///</summary>
///<param name = "database">Sitecore Database to Use. Usually From Context.</param>
///<param name = "device">Sitecore Device to Use. Usually from Context.</param>
///<param name = "item">Item to get the Layout Renderings from.</param>
///<param name = "sublayoutItem">
/// Item reference to the Sublayout or Webcontrol that you would like to use for getting the datasource from.
///</param>
///<returns>Datasource Item. If no Datasource Item is listed in the layout properties, returns Null.</returns>
///<exception cref = "ItemNotFoundException">Thrown when Sitecore can't find a specified datasource item entry.</exception>
public static Item GetDatasourceFromControl(Database database, DeviceItem device, Item item, Item sublayoutItem)
{
Item datasourceItem = null;
// Get the Layout definition from the current item
string rend = item.Fields["__renderings"].Value;
LayoutDefinition layout = LayoutDefinition.Parse(rend);
// Get the current device definition
DeviceDefinition deviceDef = layout.GetDevice(device.ID.ToString());
// Get the sublayout to find
Item mySublayout = database.GetItem(sublayoutItem.ID);
// Get the definition for the sublayout
RenderingDefinition rendering = deviceDef.GetRendering(mySublayout.ID.ToString());
if (!String.IsNullOrEmpty(rendering.Datasource))
{
datasourceItem = database.GetItem(rendering.Datasource);
if (datasourceItem == null)
{
throw new ItemNotFoundException("Could not find datasource item at " + rendering.Datasource);
}
}
return(datasourceItem);
}
/// <summary>
/// Checks to see if the passed in item has presentation settings for the provided device and sublayout.
/// </summary>
/// <param name = "theItem">The item.</param>
/// <param name = "device">The device.</param>
/// <param name = "sublayoutItem">The sublayout item.</param>
/// <returns>True if the item contains the device and sublayout in it's presentation settings, false otherwise.</returns>
public static bool ItemHasPresentationSettingsForSublayout(Item theItem, DeviceItem device,
SublayoutItem sublayoutItem)
{
if (theItem == null || device == null || sublayoutItem == null)
{
return(false);
}
//If the item does not contain settings for the passed in device do not bother with the
// rest of the check.
if (!ItemHasPresentationSettingsForDevice(theItem, device))
{
return(false);
}
//Try and get the device definition from the layout definition
DeviceDefinition deviceDef = GetDeviceDefinition(theItem, device);
if (deviceDef == null)
{
return(false);
}
//Try and get the rendering for the passed in display item
RenderingDefinition rendering = deviceDef.GetRendering(sublayoutItem.ID.ToString());
return(!(rendering == null));
}
private bool UpdateRendering(Database db, Sitecore.Data.Items.Item homeItem, Sitecore.Data.Items.Item newHomeItem)
{
try
{
// get rendering, layout
Sitecore.Layouts.RenderingReference[] renderings = newHomeItem.Visualization.GetRenderings(Sitecore.Context.Device, true);
LayoutField layoutField = new LayoutField(newHomeItem.Fields[Sitecore.FieldIDs.LayoutField]);
LayoutDefinition layoutDefinition = LayoutDefinition.Parse(layoutField.Value);
DeviceDefinition deviceDefinition = layoutDefinition.GetDevice(Sitecore.Context.Device.ID.ToString());
// update rendering's datasource
foreach (RenderingReference rendering in renderings)
{
string datasouceString = deviceDefinition.GetRendering(rendering.RenderingID.ToString()).Datasource;
if (!string.IsNullOrEmpty(datasouceString))
{
// get datasource item
var currentDatasouceItem = Sitecore.Data.ID.IsID(datasouceString) ? db.GetItem(new Sitecore.Data.ID(datasouceString)) : db.GetItem(datasouceString);
if (currentDatasouceItem != null)
{
// get new path
datasouceString = currentDatasouceItem.Paths.FullPath.Replace(homeItem.DisplayName, newHomeItem.DisplayName);
var newItem = db.GetItem(datasouceString);
if (newItem != null)
{
// set new datasource id
deviceDefinition.GetRendering(rendering.RenderingID.ToString()).Datasource = newItem.ID.ToString();
newHomeItem.Editing.BeginEdit();
layoutField.Value = layoutDefinition.ToXml();
newHomeItem.Editing.EndEdit();
}
}
}
}
return(true);
}
catch (Exception ex)
{
SetMesasgeInCookie(ex.Message, 1);
return(false);
}
}
public static void AddRenderings(Item parentItem)
{
if (parentItem == null)
{
return;
}
if (parentItem.Children.Count == 0)
{
return;
}
else
{
localDatasource = parentItem.Children.FirstOrDefault();
}
if (localDatasource.Children.Count == 0)
{
return;
}
ResetRenderings(parentItem);
// Get the default device
DeviceRecords devices = parentItem.Database.Resources.Devices;
DeviceItem defaultDevice = devices.GetAll().Where(d => d.Name.ToLower() == "default").First();
var renderingsList = parentItem.Visualization.GetRenderings(defaultDevice, true);
if (renderingsList == null)
{
return;
}
LayoutField layoutField = new LayoutField(parentItem.Fields[FieldIDs.FinalLayoutField]);
LayoutDefinition layoutDefinition = LayoutDefinition.Parse(layoutField.Value);
DeviceDefinition deviceDefinition = layoutDefinition.GetDevice(defaultDevice.ID.ToString());
foreach (Item child in localDatasource.Children)
{
if (child.TemplateID.ToString() == NewsChild.Text)
{
Guid newGuid = Guid.NewGuid();
string renderingUniqueID = newGuid.ToString().TrimStart('{').TrimEnd('}').ToLower();
if (layoutDefinition.Devices.Count > 0)
{
if (!RenderingAvailable(layoutDefinition, Renderings.BodyContent_Rendering))
{
RenderingDefinition textSubLayout = new RenderingDefinition();
textSubLayout.ItemID = Renderings.BodyContent_Rendering;
textSubLayout.Placeholder = "page-layout";
textSubLayout.UniqueId = renderingUniqueID;
deviceDefinition.AddRendering(textSubLayout);
}
else
{
var rendering = deviceDefinition.GetRendering(Renderings.BodyContent_Rendering);
renderingUniqueID = rendering.UniqueId;
renderingUniqueID = renderingUniqueID.TrimStart('{').TrimEnd('}').ToLower();
}
}
RenderingDefinition newRenderingDefinition = new RenderingDefinition();
newRenderingDefinition.ItemID = Renderings.Text;
string placeholderValue = !string.IsNullOrEmpty(renderingUniqueID) ? "/page-layout/body-content_" + renderingUniqueID : "/page-layout/body-content";
newRenderingDefinition.Placeholder = placeholderValue;
newRenderingDefinition.Datasource = child.ID.ToString();
deviceDefinition.AddRendering(newRenderingDefinition);
}
else if (child.TemplateID.ToString() == NewsChild.Quote)
{
Guid newGuid = Guid.NewGuid();
string renderingUniqueID = newGuid.ToString().TrimStart('{').TrimEnd('}').ToLower();
if (layoutDefinition.Devices.Count > 0)
{
if (!RenderingAvailable(layoutDefinition, Renderings.BodyContent_Rendering))
{
RenderingDefinition quoteSubLayout = new RenderingDefinition();
quoteSubLayout.ItemID = Renderings.BodyContent_Rendering;
quoteSubLayout.Placeholder = "page-layout";
quoteSubLayout.UniqueId = renderingUniqueID;
deviceDefinition.AddRendering(quoteSubLayout);
}
else
{
var rendering = deviceDefinition.GetRendering(Renderings.BodyContent_Rendering);
renderingUniqueID = rendering.UniqueId;
renderingUniqueID = renderingUniqueID.TrimStart('{').TrimEnd('}').ToLower();
}
}
RenderingDefinition newRenderingDefinition = new RenderingDefinition();
newRenderingDefinition.ItemID = Renderings.Quote;
string placeholderValue = !string.IsNullOrEmpty(renderingUniqueID) ? "/page-layout/body-content_" + renderingUniqueID : "/page-layout/body-content";
newRenderingDefinition.Placeholder = placeholderValue;
newRenderingDefinition.Datasource = child.ID.ToString();
deviceDefinition.AddRendering(newRenderingDefinition);
}
}
using (new SecurityDisabler())
{
parentItem.Editing.BeginEdit();
if (parentItem.Editing.IsEditing)
{
parentItem["__Renderings"] = layoutDefinition.ToXml();
}
parentItem.Editing.EndEdit();
}
}
