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# This module is included inside of Document class. It will creates methods to easy the use.
#===Callback execution order
# Example for a document with 4 pages, looking at the picture you can see the order in which the callbacks are executed
#
# link:images/pages_rghost.png
module RGhost::DocumentCallbackFacade
# Executes before page create. Respond to :only and :except options
def before_page_create(options = {}, &)
new_dynamic_callback(:before_page_create, options, &)
end
# Executes after page create. Respond to :only and :except options
def after_page_create(options = {}, &)
new_dynamic_callback(:after_page_create, options, &)
end
# Executes on odd pages create. Respond to :only and :except options
def odd_pages(options = {}, &)
new_dynamic_callback(:odd_pages, options, &)
end
# Executes on even pages create. Respond to :only and :except options
def even_pages(options = {}, &)
new_dynamic_callback(:even_pages, options, &)
end
# Executes one time before document create.
def before_document_create(&)
new_static_callback(:before_document_create, &)
end
# Executes one time on first page.
def first_page(&)
new_static_callback(:first_page, &)
end
# Executes one time on last page(end of document).
def last_page(&)
new_static_callback(:last_page, &)
end
# Executes before virtual page create. Respond to :only and :except options
def before_virtual_page_create(options = {}, &)
new_dynamic_callback(:before_virtual_page_create, options, &)
end
# Executes after virtual page create. Respond to :only and :except options
def after_virtual_page_create(options = {}, &)
new_dynamic_callback(:after_virtual_page_create, options, &)
end
private
def new_dynamic_callback(name, options = {}, &)
@callbacks.set RGhost::Callback.new(name, options, &)
end
def new_static_callback(name, &)
callback_body = RGhost::PsFacade.new(&)
@callbacks.set RGhost::Function.new(name, callback_body)
end
end
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