private void ApplyImplementation(BuildShapeContext context, string displayType)
{
if (String.IsNullOrEmpty(_differentiator))
{
_differentiator = _prefix;
}
// Look into specific implementations of placements (like placement.info files)
var placement = context.FindPlacement((IShape)context.Shape, _differentiator, displayType);
// If no placement is found, use the default location
if (placement == null)
{
// Look for mapped display type locations
if (_otherLocations != null)
{
_otherLocations.TryGetValue(displayType, out _defaultLocation);
}
placement = new Descriptors.PlacementInfo()
{
Location = _defaultLocation
};
}
// If there are no placement or it's explicitely noop then stop rendering execution
if (String.IsNullOrEmpty(placement.Location) || placement.Location == "-")
{
return;
}
// Parse group placement.
_groupId = placement.GetGroup();
// If the shape's group doesn't match the currently rendered one, return
if (!String.Equals(context.GroupId ?? "", _groupId ?? "", StringComparison.OrdinalIgnoreCase))
{
return;
}
var newShape = _shapeBuilder(context);
// Ignore it if the driver returned a null shape.
if (newShape == null)
{
return;
}
ShapeMetadata newShapeMetadata = newShape.Metadata;
newShapeMetadata.Prefix = _prefix;
newShapeMetadata.DisplayType = displayType;
newShapeMetadata.PlacementSource = placement.Source;
newShapeMetadata.Tab = placement.GetTab();
// The _processing callback is used to delay execution of costly initialization
// that can be prevented by caching
if (_processing != null)
{
newShapeMetadata.OnProcessing(_processing);
}
// Apply cache settings
if (!String.IsNullOrEmpty(_cacheId) && _cache != null)
{
_cache(newShapeMetadata.Cache(_cacheId));
}
// If a specific shape is provided, remove all previous alternates and wrappers.
if (!String.IsNullOrEmpty(placement.ShapeType))
{
newShapeMetadata.Type = placement.ShapeType;
newShapeMetadata.Alternates.Clear();
newShapeMetadata.Wrappers.Clear();
}
if (placement.Alternates != null)
{
foreach (var alternate in placement.Alternates)
{
newShapeMetadata.Alternates.Add(alternate);
}
}
if (placement.Wrappers != null)
{
foreach (var wrapper in placement.Wrappers)
{
newShapeMetadata.Wrappers.Add(wrapper);
}
}
dynamic parentShape = context.Shape;
if (placement.IsLayoutZone())
{
parentShape = context.Layout;
}
var position = placement.GetPosition();
var zones = placement.GetZones();
foreach (var zone in zones)
{
if (parentShape == null)
{
break;
}
var zoneProperty = parentShape.Zones;
if (zoneProperty != null)
{
// parentShape is a ZoneHolding
parentShape = zoneProperty[zone];
}
else
{
// try to access it as a member
parentShape = parentShape[zone];
}
}
if (String.IsNullOrEmpty(position))
{
parentShape.Add(newShape);
}
else
{
parentShape.Add(newShape, position);
}
}
private void ApplyImplementation(BuildShapeContext context, string displayType)
{
if (String.IsNullOrEmpty(_differentiator))
{
_differentiator = _prefix;
}
// Look into specific implementations of placements (like placement.info files)
var placement = context.FindPlacement((IShape) context.Shape, _differentiator, displayType);
// If no placement is found, use the default location
if (placement == null)
{
// Look for mapped display type locations
if (_otherLocations != null)
{
_otherLocations.TryGetValue(displayType, out _defaultLocation);
}
placement = new Descriptors.PlacementInfo() { Location = _defaultLocation };
}
// If there are no placement or it's explicitely noop then stop rendering execution
if (String.IsNullOrEmpty(placement.Location) || placement.Location == "-")
{
return;
}
// Parse group placement.
_groupId = placement.GetGroup();
// If the shape's group doesn't match the currently rendered one, return
if (!String.Equals(context.GroupId ?? "", _groupId ?? "", StringComparison.OrdinalIgnoreCase))
{
return;
}
var newShape = _shapeBuilder(context);
// Ignore it if the driver returned a null shape.
if (newShape == null)
{
return;
}
ShapeMetadata newShapeMetadata = newShape.Metadata;
newShapeMetadata.Prefix = _prefix;
newShapeMetadata.DisplayType = displayType;
newShapeMetadata.PlacementSource = placement.Source;
newShapeMetadata.Tab = placement.GetTab();
// The _processing callback is used to delay execution of costly initialization
// that can be prevented by caching
if(_processing != null)
{
newShapeMetadata.OnProcessing(_processing);
}
// Apply cache settings
if(!String.IsNullOrEmpty(_cacheId) && _cache != null)
{
_cache(newShapeMetadata.Cache(_cacheId));
}
// If a specific shape is provided, remove all previous alternates and wrappers.
if (!String.IsNullOrEmpty(placement.ShapeType))
{
newShapeMetadata.Type = placement.ShapeType;
newShapeMetadata.Alternates.Clear();
newShapeMetadata.Wrappers.Clear();
}
if (placement.Alternates != null)
{
foreach (var alternate in placement.Alternates)
{
newShapeMetadata.Alternates.Add(alternate);
}
}
if (placement.Wrappers != null)
{
foreach (var wrapper in placement.Wrappers)
{
newShapeMetadata.Wrappers.Add(wrapper);
}
}
dynamic parentShape = context.Shape;
if(placement.IsLayoutZone())
{
parentShape = context.Layout;
}
var position = placement.GetPosition();
var zones = placement.GetZones();
foreach(var zone in zones)
{
if(parentShape == null)
{
break;
}
var zoneProperty = parentShape.Zones;
if (zoneProperty != null)
{
// parentShape is a ZoneHolding
parentShape = zoneProperty[zone];
}
else
{
// try to access it as a member
parentShape = parentShape[zone];
}
}
if (String.IsNullOrEmpty(position))
{
parentShape.Add(newShape);
}
else
{
parentShape.Add(newShape, position);
}
}
