public override void RemoveLink(Sitecore.Links.ItemLink itemLink)
{
Sitecore.Diagnostics.Assert.ArgumentNotNull(itemLink, "itemLink");
Replace(
itemLink.TargetPath,
itemLink.TargetItemID.ToString(),
String.Empty,
String.Empty);
}
public override void Relink(Sitecore.Links.ItemLink link, Sitecore.Data.Items.Item updated)
{
Sitecore.Diagnostics.Assert.ArgumentNotNull(link, "link");
Sitecore.Diagnostics.Assert.ArgumentNotNull(updated, "updated");
Replace(
link.TargetPath,
link.TargetItemID.ToString(),
updated.Paths.FullPath,
updated.ID.ToString());
}
public override void Relink(
SC.Links.ItemLink itemLink,
SC.Data.Items.Item newLink)
{
SC.Diagnostics.Assert.ArgumentNotNull(itemLink, "itemLink");
SC.Diagnostics.Assert.ArgumentNotNull(newLink, "newLink");
base.Relink(itemLink, newLink);
string xml = this.Value;
if (String.IsNullOrEmpty(xml))
{
return;
}
SC.Layouts.LayoutDefinition layoutDetails =
SC.Layouts.LayoutDefinition.Parse(xml);
ArrayList devices = layoutDetails.Devices;
if (devices == null)
{
return;
}
foreach (SC.Layouts.DeviceDefinition device in devices)
{
if (device == null || device.Renderings == null)
{
continue;
}
foreach (SC.Layouts.RenderingDefinition rendering in device.Renderings)
{
if (!String.IsNullOrEmpty(rendering.Datasource) &&
(rendering.Datasource.Equals(itemLink.TargetPath, StringComparison.InvariantCultureIgnoreCase) ||
rendering.Datasource.Equals(itemLink.TargetItemID.ToString(), StringComparison.InvariantCultureIgnoreCase)))
{
rendering.Datasource = newLink.ID.ToString();
}
}
}
this.Value = layoutDetails.ToXml();
}
/// <summary>
/// Handle links database references to items that do not exist by logging an error
/// or throwing an exception.
/// </summary>
/// <param name="item">The item that contains the reference.</param>
/// <param name="referenced">The referenced item, which may be Null.</param>
/// <param name="link">The link record from the links database.</param>
/// <returns>True if the referenced item is Null, false otherwise.</returns>
/// <exception cref="PublishingException"><c>PublishingException</c> - Any type of
/// error.</exception>
protected bool HandleNullReference(
Sitecore.Data.Items.Item item,
Sitecore.Data.Items.Item referenced,
Sitecore.Links.ItemLink link)
{
if (referenced != null)
{
return(false);
}
Sitecore.Data.Fields.Field field = item.Fields[link.SourceFieldID];
if (field == null)
{
return(true);
}
if (field.Value.Contains(link.TargetItemID.ToString()))
{
string message = this.Logger.Info(
"{0} of {1} contains broken link to {2} : {3}",
field.Name,
item,
link.TargetItemID,
link.TargetPath);
if (this.ThrowExceptions)
{
throw new PublishingException(message);
}
return(true);
}
return(true);
}
/// <summary>
/// Returns True if the link exists in the specified version of the item.
/// </summary>
/// <param name="me">The item to check.</param>
/// <param name="link">The link record.</param>
/// <returns>True if the link exists in the specified version of the item, False
/// otherwise.</returns>
public static bool IsValidLink(
this Sitecore.Data.Items.Item me,
Sitecore.Links.ItemLink link)
{
Sitecore.Diagnostics.Assert.IsNotNull(me, "item");
Sitecore.Diagnostics.Assert.IsNotNull(link, "link");
// If the link is in a different database
if (String.Compare(
link.SourceDatabaseName,
me.Database.Name,
StringComparison.OrdinalIgnoreCase) != 0)
{
return(false);
}
// If the source field is unknown.
if (link.SourceFieldID == Sitecore.Data.ID.Null)
{
me.Fields.ReadAll();
foreach (Sitecore.Data.Fields.Field checkField in me.Fields)
{
if (!checkField.Value.Contains(link.TargetItemID.ToString()))
{
continue;
}
string message = String.Format(
"{0} : Link to {1} in {2} of {3}, but field has Null ID in links database",
me,
link.TargetItemID,
checkField.Name,
me.Paths.FullPath);
Sitecore.Diagnostics.Log.Warn(message, me);
return(false);
}
string error = String.Format(
"{0} : link database record from {1} to {2}, but field has Null ID in links database and no field value contains reference",
me,
me.Paths.FullPath,
link.TargetItemID);
Sitecore.Diagnostics.Log.Warn(error, me);
return(false);
}
// The field containing the link.
Sitecore.Data.Fields.Field field = me.Fields[link.SourceFieldID];
// The field does not exist.
if (field == null)
{
return(false);
}
// The link must be in a previous version of the item.
if (field.Value.Contains(link.TargetItemID.ToString()) ||
field.Value.Contains(link.TargetItemID.ToShortID().ToString()))
{
return(true);
}
return(false);
}
