class Sketchup::DefinitionObserver
This observer interface is implemented to react to component definition events.
@abstract To implement this observer, create a Ruby class of this type,
override the desired methods, and add an instance of the observer to the definitions of interests.
@example
# This is an example of an observer that watches a specific definition # for new component insertions. class MyDefObserver < Sketchup::DefinitionObserver def onComponentInstanceAdded(definition, instance) puts "onComponentInstanceAdded(#{definition}, #{instance})" end end # Attach the observer Sketchup.active_model.definitions[0].add_observer(MyDefObserver.new)
@version SketchUp 6.0
Public Instance Methods
onComponentInstanceAdded(definition, instance)
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The {#onComponentInstanceAdded} method is called when a new component instance is added to a model.
@example
def onComponentInstanceAdded(definition, instance) puts "onComponentInstanceAdded(#{definition}, #{instance})" end
@param [Sketchup::ComponentDefinition] definition
The definition of the added instance
@param [Sketchup::ComponentInstance] instance
The added instance
@return [nil]
@version SketchUp 6.0
# File lib/sketchup-api-stubs/stubs/Sketchup/DefinitionObserver.rb, line 46 def onComponentInstanceAdded(definition, instance) end
onComponentInstanceRemoved(definition, instance)
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The {#onComponentInstanceRemoved} method is called when a component instance is removed from a model.
@example
def onComponentInstanceRemoved(definition, instance) puts "onComponentInstanceRemoved(#{definition}, #{instance})" end
@note Due to the underlying way that the SketchUp Move Tool is
implemented, this method is fired on a Move + Copy operation even though no {Sketchup::ComponentInstance} is apparently removed.
@param [Sketchup::ComponentDefinition] definition
The definition of the instance removed
@param [Sketchup::ComponentInstance] instance
The removed instance
@return [nil]
@version SketchUp 6.0
# File lib/sketchup-api-stubs/stubs/Sketchup/DefinitionObserver.rb, line 71 def onComponentInstanceRemoved(definition, instance) end