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how to use number_to_currency in controller Delicious Email

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   1  include ActionView::Helpers::NumberHelper
created by leozera — 26 August 2011 — get a short url — tags: helper rails ruby — embed

flash_messages helper method to rails 3 Delicious Email

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   1  def flash_messages 
   2    %w(notice warning error).each do |msg| 
   3      concat content_tag(:div, content_tag(:p, flash[msg.to_sym]), :class => msg) unless flash[msg.to_sym].blank? 
   4    end 
   5  end
created by leozera — 28 September 2010 — get a short url — tags: helper rails rails3 — embed

i18n in labels Delicious Email

rails 2.3.4 doen’t have i18n support in labels
http://lawrencesong.net/2009/04/i18n-label-in-rails-monkey-patch/

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   1  module ActionView 
   2    module Helpers 
   3      class InstanceTag 
   4        def to_label_tag_with_i18n(text = nil, options = {}) 
   5          text ||= object.class.human_attribute_name(method_name) if object.class.respond_to?(:human_attribute_name) 
   6   
   7          to_label_tag_without_i18n(text, options) 
   8        end 
   9   
  10        alias_method_chain :to_label_tag, :i18n 
  11      end 
  12    end 
  13  end
created by leozera — 22 November 2009 — get a short url — tags: helper rails ruby — embed

truncate text at a word boundry Delicious Email

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   1  # in application_helper
   2  
   3  def snippet(text, wordcount, omission)
   4   text.split[0..(wordcount-1)].join(" ") + (text.split.size > wordcount ? " " + omission : "")
   5  end
   6  
   7  
   8  # example
   9  
  10  snippet(@post.body, 50, "#{link_to "More...", @post}")
created by leozera — 20 April 2009 — get a short url — tags: helper rails ruby — embed

current_action and current_controller helpers Delicious Email

create this helper and uses link_unless_current_controller

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   1  def current_action?(options)
   2    url_string = CGI.escapeHTML(url_for(options))
   3    params = ActionController::Routing::Routes.recognize_path(url_string, :method => :get)
   4    params[:controller] == @controller.controller_name && params[:action] == @controller.action_name
   5  end
   6  
   7  def current_controller?(options)
   8    url_string = CGI.escapeHTML(url_for(options))
   9    params = ActionController::Routing::Routes.recognize_path(url_string, :method => :get)
  10    params[:controller] == @controller.controller_name
  11  end
created by leozera — 07 January 2009 — get a short url — tags: helper rails ruby — embed

simple tabs helper Delicious Email

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   1  class TabHelper
   2    attr_reader :html, :tabs
   3  
   4    def initialize(template, states)
   5      @template = template
   6      @states = states
   7      @html = []
   8      @tabs = {}
   9    end
  10  
  11    def add(action, text)
  12      url = { :action => action }
  13      html = 
  14        if @template.request.path.sub(/\?.*/, '') == @template.url_for(url)
  15          @states[:active].call(text, url)
  16        else
  17          @states[:inactive].call(text, url)
  18        end
  19      @tabs[action] = html
  20      @html << html
  21    end
  22    alias_method :[]=, :add
  23    
  24    def [](*args)
  25      @tabs.values_at(*args)
  26    end
  27  end
  28  
  29  # example
  30  
  31  module ProductsHelper
  32    def subnav_links
  33      t = TabHelper.new(self,
  34        :active   => Proc.new {|text, url| %|<div class="current tab">#{text}</div>| },
  35        :inactive => Proc.new {|text, url| %|<div class="tab">#{link_to text, url}</div>| }
  36      )
  37      t[:index] = 'Manage Products'
  38      t[:front_page] = 'Manage Front Page'
  39      
  40      '<div id="tabs">' +
  41        '<div style="float: left">' +
  42          t[:index, :front_page].join +
  43        '</div>' +
  44        '<div class="clear"></div>' +
  45      '</div>'
  46    end
  47  end
created by leozera — 01 December 2008 — get a short url — tags: helper rails tab — embed

javascript_include_all Delicious Email

http://blog.obiefernandez.com/content/2008/06/railsconf-2008.html

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   1    def javascript_include_all
   2      includes = ''
   3      Dir.new("#{RAILS_ROOT}/public/javascripts").each do |js|
   4        next if js == "." or js == '..' or !js[".js"]
   5        includes += javascript_include_tag(js) + "\n"
   6      end
   7    end
created by leozera — 16 November 2008 — get a short url — tags: helper obie rails — embed

current_url Delicious Email

this helper returns a current url

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   1    def current_url
   2      url_for :only_path => false, :overwrite_params=>{}  
   3    end
created by leozera — 15 November 2008 — get a short url — tags: helper ruby — embed

new flash helper with prototype effects Delicious Email

create an application helper to manage your rails messages
concept by nando vieira [simplesideias.com.br]

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   1    # paste application_helper.rb
   2    def flash_message 
   3      messages = ""
   4      [:notice, :info, :warning, :error].each {|type|
   5        if flash[type]
   6          messages += "<p class=\"#{type}\" id=\"alert\">#{flash[type]}</p>"
   7        end
   8      }    
   9      messages
  10    end
  11  
  12    ####################################
  13  
  14    # your layout 
  15    <%= flash_message %>
  16  	
  17    <% content_tag :script, :type => "text/javascript" do %>
  18      $('alert').style.display = 'none';
  19      new Effect.Appear('alert', {duration: 3});
  20      setTimeout("new Effect.Fade('alert');", 10000);
  21    <% end %>
created by leozera — 05 July 2008 — get a short url — tags: helper rails ruby script.aculo.us — embed