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Move link_to_function and link_to_remote into prototype_legacy_helper
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@josh
josh committed Jan 30, 2010
1 parent 2de311a commit b378764
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77 changes: 34 additions & 43 deletions actionpack/README
View file
Original file line number Diff line number Diff line change
Expand Up @@ -37,15 +37,15 @@ A short rundown of the major features:
def show
@customer = find_customer
end

def update
@customer = find_customer
@customer.attributes = params[:customer]
@customer.save ?
@customer.save ?
redirect_to(:action => "show") :
render(:action => "edit")
end

private
def find_customer() Customer.find(params[:id]) end
end
Expand All @@ -64,7 +64,7 @@ A short rundown of the major features:
<% unless @person.is_client? %>
Not for clients to see...
<% end %>

{Learn more}[link:classes/ActionView.html]


Expand Down Expand Up @@ -99,51 +99,51 @@ A short rundown of the major features:
before_filter :authenticate, :cache, :audit
after_filter { |c| c.response.body = Gzip::compress(c.response.body) }
after_filter LocalizeFilter

def index
# Before this action is run, the user will be authenticated, the cache
# will be examined to see if a valid copy of the results already
# exists, and the action will be logged for auditing.
# After this action has run, the output will first be localized then

# After this action has run, the output will first be localized then
# compressed to minimize bandwidth usage
end

private
def authenticate
# Implement the filter with full access to both request and response
end
end

{Learn more}[link:classes/ActionController/Filters/ClassMethods.html]


* Helpers for forms, dates, action links, and text

<%= text_field "post", "title", "size" => 30 %>
<%= html_date_select(Date.today) %>
<%= link_to "New post", :controller => "post", :action => "new" %>
<%= truncate(post.title, :length => 25) %>

{Learn more}[link:classes/ActionView/Helpers.html]


* Layout sharing for template reuse (think simple version of Struts
* Layout sharing for template reuse (think simple version of Struts
Tiles[http://jakarta.apache.org/struts/userGuide/dev_tiles.html])

class WeblogController < ActionController::Base
layout "weblog_layout"

def hello_world
end
end

Layout file (called weblog_layout):
<html><body><%= yield %></body></html>

Template for hello_world action:
<h1>Hello world</h1>

Result of running hello_world action:
<html><body><h1>Hello world</h1></body></html>

Expand All @@ -156,9 +156,9 @@ A short rundown of the major features:

Accessing /clients/37signals/basecamp/project/dash calls ProjectController#dash with
{ "client_name" => "37signals", "project_name" => "basecamp" } in params[:params]

From that URL, you can rewrite the redirect in a number of ways:

redirect_to(:action => "edit") =>
/clients/37signals/basecamp/project/dash

Expand All @@ -168,15 +168,6 @@ A short rundown of the major features:
{Learn more}[link:classes/ActionController/Base.html]


* Javascript and Ajax integration

link_to_function "Greeting", "alert('Hello world!')"
link_to_remote "Delete this post", :update => "posts",
:url => { :action => "destroy", :id => post.id }

{Learn more}[link:classes/ActionView/Helpers/JavaScriptHelper.html]


* Easy testing of both controller and rendered template through ActionController::TestCase

class LoginControllerTest < ActionController::TestCase
Expand Down Expand Up @@ -218,18 +209,18 @@ A short rundown of the major features:
class WeblogController < ActionController::Base
caches_page :show
caches_action :account

def show
# the output of the method will be cached as
# the output of the method will be cached as
# ActionController::Base.page_cache_directory + "/weblog/show/n.html"
# and the web server will pick it up without even hitting Rails
end

def account
# the output of the method will be cached in the fragment store
# but Rails is hit to retrieve it, so filters are run
end

def update
List.update(params[:list][:id], params[:list])
expire_page :action => "show", :id => params[:list][:id]
Expand All @@ -256,26 +247,26 @@ A short rundown of the major features:
class AccountController < ActionController::Base
scaffold :account
end

The AccountController now has the full CRUD range of actions and default
templates: list, show, destroy, new, create, edit, update

{Learn more}[link:classes/ActionController/Scaffolding/ClassMethods.html]


* Form building for Active Record model objects

The post object has a title (varchar), content (text), and
The post object has a title (varchar), content (text), and
written_on (date)

<%= form "post" %>

...will generate something like (the selects will have more options, of
course):

<form action="create" method="POST">
<p>
<b>Title:</b><br/>
<b>Title:</b><br/>
<input type="text" name="post[title]" value="<%= @post.title %>" />
</p>
<p>
Expand All @@ -293,7 +284,7 @@ A short rundown of the major features:
</form>

This form generates a params[:post] array that can be used directly in a save action:

class WeblogController < ActionController::Base
def create
post = Post.create(params[:post])
Expand All @@ -318,19 +309,19 @@ methods:

class WeblogController < ActionController::Base
layout "weblog/layout"

def index
@posts = Post.find(:all)
end

def show
@post = Post.find(params[:id])
end

def new
@post = Post.new
end

def create
@post = Post.create(params[:post])
redirect_to :action => "show", :id => @post.id
Expand Down Expand Up @@ -364,7 +355,7 @@ And the templates look like this:

weblog/new.html.erb:
<%= form "post" %>

This simple setup will list all the posts in the system on the index page,
which is called by accessing /weblog/. It uses the form builder for the Active
Record model to make the new screen, which in turn hands everything over to
Expand All @@ -379,7 +370,7 @@ The latest version of Action Pack can be found at

* http://rubyforge.org/project/showfiles.php?group_id=249

Documentation can be found at
Documentation can be found at

* http://api.rubyonrails.com

Expand Down
54 changes: 0 additions & 54 deletions actionpack/lib/action_view/helpers/javascript_helper.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -41,60 +41,6 @@ module JavaScriptHelper

include PrototypeHelper

# Returns a link of the given +name+ that will trigger a JavaScript +function+ using the
# onclick handler and return false after the fact.
#
# The first argument +name+ is used as the link text.
#
# The next arguments are optional and may include the javascript function definition and a hash of html_options.
#
# The +function+ argument can be omitted in favor of an +update_page+
# block, which evaluates to a string when the template is rendered
# (instead of making an Ajax request first).
#
# The +html_options+ will accept a hash of html attributes for the link tag. Some examples are :class => "nav_button", :id => "articles_nav_button"
#
# Note: if you choose to specify the javascript function in a block, but would like to pass html_options, set the +function+ parameter to nil
#
#
# Examples:
# link_to_function "Greeting", "alert('Hello world!')"
# Produces:
# <a onclick="alert('Hello world!'); return false;" href="#">Greeting</a>
#
# link_to_function(image_tag("delete"), "if (confirm('Really?')) do_delete()")
# Produces:
# <a onclick="if (confirm('Really?')) do_delete(); return false;" href="#">
# <img src="/images/delete.png?" alt="Delete"/>
# </a>
#
# link_to_function("Show me more", nil, :id => "more_link") do |page|
# page[:details].visual_effect :toggle_blind
# page[:more_link].replace_html "Show me less"
# end
# Produces:
# <a href="#" id="more_link" onclick="try {
# $(&quot;details&quot;).visualEffect(&quot;toggle_blind&quot;);
# $(&quot;more_link&quot;).update(&quot;Show me less&quot;);
# }
# catch (e) {
# alert('RJS error:\n\n' + e.toString());
# alert('$(\&quot;details\&quot;).visualEffect(\&quot;toggle_blind\&quot;);
# \n$(\&quot;more_link\&quot;).update(\&quot;Show me less\&quot;);');
# throw e
# };
# return false;">Show me more</a>
#
def link_to_function(name, *args, &block)
html_options = args.extract_options!.symbolize_keys

function = block_given? ? update_page(&block) : args[0] || ''
onclick = "#{"#{html_options[:onclick]}; " if html_options[:onclick]}#{function}; return false;"
href = html_options[:href] || '#'

content_tag(:a, name, html_options.merge(:href => href, :onclick => onclick))
end

# Returns a button with the given +name+ text that'll trigger a JavaScript +function+ using the
# onclick handler.
#
Expand Down
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