public virtual IElementSelector CreateSelectorForChildMetadata(VsbElementMetadata child, string state)
{
if (child.UserSelector != null)
{
return(child.UserSelector);
}
IElementSelector defaultSelector = CreateDefaultSelector(child);
if (!child.CanHaveChildSelector)
{
// Element metadata equals our theme type. For example GridDataCellElement.
if (child.ElementThemeType == this.ElementThemeType)
{
return(this.CreateOwnSelector(state));
}
return(defaultSelector);
}
IElementSelector ownSelector = this.CreateOwnSelector(state);
if (ownSelector != null)
{
ownSelector.ChildSelector = defaultSelector;
return(ownSelector);
}
return(defaultSelector);
}
public StyleBuilderRegistration GetStyleBuilderRegistration(VsbElementMetadata elementMetadata)
{
string controlType = elementMetadata.StyleRelatedTreeHandlerType;
Type elementType = this.GetStyleRelatedElementType(elementMetadata);
foreach (StyleBuilderRegistration reg in this.StyleBuilderRegistrations)
{
foreach (RadStylesheetRelation relation in reg.StylesheetRelations)
{
if (elementType == null)
{
if (relation.ControlType.Equals(controlType))
{
return(reg);
}
}
else if (elementType != null)
{
if (relation.ControlType.Equals(controlType) && relation.ElementType.Equals(elementType.FullName))
{
return(reg);
}
}
}
}
return(null);
}
public void RemoveChildMetadata(VsbElementMetadata metadata)
{
metadata.ParentMetadata = null;
switch (metadata.MetadataType)
{
case VsbMetadataType.Element:
this.elementSelectorInfos.Remove(metadata);
break;
case VsbMetadataType.Item:
this.childItemInfos.Remove(metadata as VsbItemMetadata);
break;
}
}
public static IElementSelector CreateDefaultSelector(VsbElementMetadata metadata)
{
//- ClassSelector if element has StateManager or Class assigned
//- TypeSelector otherwise
//No name selector by default
if (!string.IsNullOrEmpty(metadata.ElementClass))
{
return(new ClassSelector(metadata.ElementClass));
}
else if (metadata.ElementThemeType != null)
{
return(new TypeSelector(metadata.ElementThemeType));
}
return(null);
}
public MetadataActionEventArgs(UIProperties props, VsbElementMetadata metadata)
{
this.uiProperties = props;
this.metadata = metadata;
}
public virtual Type GetStyleRelatedElementType(VsbElementMetadata metadata)
{
return(metadata.StyleRelatedElementType);
}
/// <summary>
/// Allows metadata to provide specific element instances.
/// </summary>
/// <param name="metadata"></param>
/// <returns></returns>
public virtual RadElement GetElementInstance(VsbElementMetadata metadata)
{
return(null);
}