private void _calculateFilterDepthFromSource(FilterShape filterShape)
{
// trace this filter all the way back to the source element (if possible), and remember how 'deep' we are
// TODO: just reviewing this code I wrote.... why the F**K do we need to trace it back in 'shape' space? Why can't we just keep
// TODO: following the DFC source back to an element, then look that up in the map?....
int depth = 1;
IDataFlowComponent source = _getDataFlowComponentSourceFromShape(filterShape);
IDataFlowComponent elementComponent = null;
while (true) {
if (source == null) {
depth = 0;
break;
}
List<FilterSetupShapeBase> shapes;
_dataFlowComponentToShapes.TryGetValue(source, out shapes);
if (shapes != null) {
FilterSetupShapeBase shape = shapes.FirstOrDefault();
if (shape is ElementNodeShape) {
elementComponent = (shape as ElementNodeShape).DataFlowComponent;
break;
}
}
if (source.Source != null) {
source = source.Source.Component;
depth++;
} else {
depth = 0;
break;
}
}
filterShape.LevelsFromElementSource = depth;
if (elementComponent != null) {
if (!_elementDataFlowComponentsToMaxFilterDepth.ContainsKey(elementComponent))
_elementDataFlowComponentsToMaxFilterDepth[elementComponent] = depth;
else if (_elementDataFlowComponentsToMaxFilterDepth[elementComponent] < depth)
_elementDataFlowComponentsToMaxFilterDepth[elementComponent] = depth;
if (filterShape.DataFlowComponent != null)
_filterDataFlowComponentsToSourceElementDataFlowComponents[filterShape.DataFlowComponent] = elementComponent;
}
}
private void _addFilterShapeToList(FilterShape filterShape, List<FilterShape> list)
{
if (filterShape != null)
list.Add(filterShape);
}
private void _addFilterShapeToParentDataFlowComponentMap(FilterShape filterShape, Dictionary<IDataFlowComponent, List<FilterSetupShapeBase>> map)
{
IDataFlowComponent source = _getDataFlowComponentSourceFromShape(filterShape);
if (source != null) {
if (!map.ContainsKey(source))
map[source] = new List<FilterSetupShapeBase>();
map[source].Add(filterShape);
}
}
private void _addFilterShapeToFilterMap(FilterShape filterShape, Dictionary<IOutputFilterModuleInstance, FilterShape> map)
{
if (map.ContainsKey(filterShape.FilterInstance))
Logging.Warn("Adding filter to map, but it already exists");
map[filterShape.FilterInstance] = filterShape;
}
