amiel

module HelperClasses
	# TabCreator
	# 
	# generate html for tabs using partials and run the correct javascripts
	#
	# Example:
	#   <% HelperClasses::TabCreator.new 'account_tabs', self do |tabs| %> # => you must pass self so that TabCreator will have access to the template helpers
	#     <%= tabs.item 'General Settings', :partial => 'general_info_form' %>
	#     <% tabs.item 'Photo' do %> # => renders block, id will be #photo_tab
	#       foobar

amiel

class ApplicationController < ActionController::Base
  # ...
  layout :no_layout_for_xhr
    
  private
  def no_layout_for_xhr
    request.xhr? ? nil : 'application'
  end
end

amiel

$.fn.tabularosa = function(value) {
	this.each(function() {
		var self = $(this),
			klass = 'tabularosa',
			value = value || self.attr('data-tabularosa'),
			set_value = function() {
				if ($.trim(self.val()) == '' || self.val() == value)
					self.val(value).addClass(klass);
			},
			clear_value = function() {

amiel

var MyClass = (function(){
	var private_var = "private variable", self;
	
	function initialize(a,b) {
		self = this; // self gives access to "this" for private functions
		this.a = a;
		this.b = private_function(b);
		print(this.a,this.b);

amiel

var MyModule = (function() {
	function private_helper_function(a,b) {
		Ruby.puts(a,b);
	}
	
	var functions = {
		foo: function(a) {
			private_helper_function(a, "world");
		},

amiel

function complex_function() {
	var local_variable = "foo"; // gets defined every time complex_function is run
	var result;
	
	var private_helper = function() { // this function gets declared every time complex_function is run
		return local_variable;
	};
	
	
	// ok, this is actually what this function does

amiel

# my bash one-liner of the day

for file in app/models/trade_plan/*;do l=`head -1 $file|ruby -p -e 'm=$_.match /TradePlan::(\w+)/;$_=m[1]'`; ruby -p -i -e 'if $_.match /end/;$_=%(  belongs_to :option, :class_name => "Listing::'$l'"\nend);end' $file;done

amiel

$.with_scope = function(scope, callback) {
    var $scope = $(scope),
        jquery_proxy = function(selector, context) { return $scope.find(selector, context); };
    return callback(jquery_proxy);
};

// -- or --

$.fn.as_scope = function(callback) {
    var self = this, jquery_proxy = function(selector, context) { return self.find(selector, context); };

amiel

$.with_scope('#post_15', function($) {
  $('a.hide').click(function() {
    $('.comments').hide();
  });
});

$('#post_15').as_scope(function($) {
  $('a.hide').click(function() {
    $('.comments').hide();

amiel

module IncrementifyString
	# Helps create a user friendly unique string
	# For example, calling incrementify_string! repeatedly starting with
	# 'string' would yield:
	#   'string' => 'string1' => 'string2' => 'string3' ... 'string9' => 'string10' => 'string11' ... etc
  def incrementify_string!(bar)
    if bar.match(/[0-8]$/)
      bar.succ! # this is faster than regex parse and to_i + 1 to_s
    elsif bar.ends_with?('9')
      m = bar.match(/(\d+)$/)