SelectionObserver interface

This observer interface is implemented to react to selection events. To implement this observer, create a Ruby class of this type, override the desired methods, and add an instance of the observer to the objects of interests.

class MyEntityObserver <  Sketchup::EntityObserver
 	def onEntityChanged (entity)


		# do something

	end

end

# In your code. If the face changes, MyEntityObserver is called.

face.add_observer(MyEntityObserver.new)             
   

Parent: <parent in class hierarchy>

Methods:  onSelectionAdded, onSelectionBulkChange, onSelectionCleared, onSelectionRemoved 

Example code:   

Instance Methods

onSelectionAdded

Syntax

Arguments

 selection - a Selection object.

Element - an Drawingelement object added to the selection.

Return Value

Comments

Example

onSelectionBulkChange

Syntax

Arguments

selection - a Selection object.

Return Value

Comments

Example

onSelectionCleared

Syntax

Arguments

selection - a Selection object.

Return Value

Comments

Example

onSelectionRemoved

Syntax

Arguments

selection - a Selection object.

Element -

Return Value

Comments

Example