The document appears to be notes from a meeting or presentation on July 15, 2011 about software extensions. It discusses different ways of building extensions, including adding new methods to existing classes, adding new views, and making extensions that interact asynchronously. Various code examples are provided to illustrate how to define extensions and interface with them. Links are included to external resources on extensions. Overall it focuses on the technical aspects and best practices for developing extensions within a software system.

1. ⽥田
Friday, July 15, 2011

2. ⽂文 ⼿手
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3. ⽂文
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4. http://www.flickr.com/photos/rosenfeldmedia/3978121391/
http://www.flickr.com/photos/jurvetson/179214616/
http://www.flickr.com/photos/improveit/644371749/
Friday, July 15, 2011

5. Friday, July 15, 2011

6. Friday, July 15, 2011

7. Friday, July 15, 2011

8. Friday, July 15, 2011

9. Friday, July 15, 2011

10. ⼿手
Friday, July 15, 2011

11. http://www.flickr.com/photos/katerha/5021009210/
Friday, July 15, 2011

12. http://www.flickr.com/photos/etiennepadin/422763658/
Friday, July 15, 2011

13. http://www.flickr.com/photos/73159082@N00/365822592/
Friday, July 15, 2011

14. http://www.flickr.com/photos/davemorris/21853625/
Friday, July 15, 2011

15. Friday, July 15, 2011

16. Friday, July 15, 2011

17. Friday, July 15, 2011

18. NoMethodError:
private method `sub' called
for nil:NilClass
Friday, July 15, 2011

19. Friday, July 15, 2011

20. Friday, July 15, 2011

21. Friday, July 15, 2011

22. app/ext/search_btn_ext/search_btn_ext.rb
/views/
/stylesheet/
/images/
/spec/
Friday, July 15, 2011

23. app/ext/search_btn_ext/search_btn_ext.rb
/views
/stylesheet
/images
/spec
Friday, July 15, 2011

24. app/ext/search_btn_ext/search_btn_ext.rb
Friday, July 15, 2011

25. Friday, July 15, 2011

26. ⼀一⽬目
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27. Proto
Type
Text
http://www.flickr.com/photos/zeevveez/2853759644/
Friday, July 15, 2011

28. Friday, July 15, 2011

29. app/ext/search_btn_ext/search_btn_ext.rb
Friday, July 15, 2011

30. module SearchBtnExt
active_if :staff
scope(:view) do
callback(:search_btn) do
new_search_btn_tag
end
end
end
Friday, July 15, 2011

31. module SearchBtnExt
active_if :staff
scope(:view) do
callback(:search_btn) do
new_search_btn_tag
end
end
end
Friday, July 15, 2011

32. module SearchBtnExt
active_if :staff
scope(:view) do
callback(:search_btn) do
new_search_btn_tag
end
end
end
Friday, July 15, 2011

33. module SearchBtnExt
active_if :staff
scope(:view) do
callback(:search_btn) do
new_search_btn_tag
end
end
end
Friday, July 15, 2011

34. module SearchBtnExt
active_if :staff
scope(:view) do
callback(:search_btn) do
new_search_btn_tag
end
end
end
Friday, July 15, 2011

35. module SearchBtnExt
active_if :staff
scope(:view) do
callback(:search_btn) do
new_search_btn_tag
end
end
end
= search_btn_tag
Friday, July 15, 2011

36. module SearchBtnExt
active_if :staff
scope(:view) do
callback(:search_btn) do
new_search_btn_tag
end
end
end
= invoke :search_btn_ext, :search_btn do
search_btn_tag
Friday, July 15, 2011

37. module SearchBtnExt
SearchBtnExt
active_if :staff
scope(:view) do
callback(:search_btn) do
:search_btn
new_search_btn_tag
end
end
end
= invoke :search_btn_ext, :search_btn do
search_btn_tag
Friday, July 15, 2011

38. ⼀一
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39. module BookExt
...
models do
expand(‘User’) do
has_one :book
def my_book_name
self.ext.book.name
end
end
end
end
Friday, July 15, 2011

40. module BookExt
...
models do
expand(‘User’) do
has_one :book
def my_book_name
self.ext.book.name
end
end
end
end
Friday, July 15, 2011

41. module BookExt
...
models do
expand(‘User’) do
has_one :book
def my_book_name
self.ext.book.name
end
end
end
end
Friday, July 15, 2011

42. module BookExt
...
models do
expand(‘User’) do
has_one :book
def my_book_name
self.ext.book.name
end
end
end
end
Friday, July 15, 2011

43. module BookExt
...
models do
expand(‘User’) do
has_one :book
def my_book_name
self.ext.book.name
end
end
end
end
user.ext.book
user.ext.my_book_name
Friday, July 15, 2011

44. http://www.oreillymaker.com/link/43048/ajaxon-extension/
Friday, July 15, 2011

45. module SmileExt
active_if :staff
async_view do
def html
smile_tag
end
end
end
Friday, July 15, 2011

46. module SmileExt
active_if :staff
async_view do
def html
smile_tag
end
end
end
= cookpad_logo
Friday, July 15, 2011

47. module SmileExt
active_if :staff
async_view do
def html
smile_tag
end
end
end
= cookpad_logo
= async_view :smile_ext
Friday, July 15, 2011

48. ⼀一
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49. Friday, July 15, 2011

50. Friday, July 15, 2011

51. http://www.flickr.com/photos/8136496@N05/1811017341/
Friday, July 15, 2011

52. http://www.flickr.com/photos/8136496@N05/1811017341/
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53. Friday, July 15, 2011

54. ⾒見見 ⾏行行
⼼心
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55. ⽅方
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56. Friday, July 15, 2011

57. ⾼高
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58. Friday, July 15, 2011