edspencer

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edspencer

/**
 * Recursively counts the number of DOM domNodes inside a given domNode
 * @param {DomNode} domNome The DOM node to count children for (defaults to the body DOM node)
 * @return {Number} The number of DOM nodes inside this domNode
 */
countNodes = function(domNode) {
  var domNode = domNode || document.body;
  var runningTotal = 1; //this domNode
  
  if (domNode.childNodes.length > 0) {

edspencer

#using the attr_accessible declaration to whitelist mass-assignable attributes
#this example will only update title and body when performing a Post.new(params[:post]) or @post.update_attributes(params[:post])
#even if params[:post] contains other keys and values (i.e. thread_id will not be overwritten this way)
class Post
  belongs_to :thread
  attr_accessible :title, :body  
end

class PostsController < ApplicationController

edspencer

alias ll="ls -alh"

alias rss="ruby script/server"
alias rss4="ruby script/server -p 4000"
alias rssp="ruby script/server -e production"
alias rsc="ruby script/console"
alias rsa="ruby script/about"
alias rsg="ruby script/generate"
alias rsgm="ruby script/generate migration"
alias rsgrm="ruby script/generate rspec_model"

edspencer

/**
 * @class Ext.ux.BreadcrumbTrail
 * @extends Ext.Container
 * @author Ed Spencer
 * Renders a series of breadcrumbs which fire events when clicked.
 * Add Ext.ux.Breadcrumb objects as items - each Breadcrumb is mostly just a reference to a Component such as
 * an Ext.Panel.  When the breadcrumb-clicked event is fired it is called with the component as the only arg.
 * 
 * Example Usage - move to a specific tab:
 * 

edspencer

//taken from a recent project - tells ExtMVC.Model to use a ScriptTagProxy and a remote host

Ext.apply(ExtMVC.Model.Adapter.REST.classMethods, {
  urlExtension: '.json',
  // port:         3000,
  // host:         'http://localhost',
  host:         'http://widgets.jungle-media.com',
  proxyType:    Ext.data.ScriptTagProxy,
  parseSingleLoadResponse: function(response, options, callbacks) {
    var m = this.getReader().readRecords(eval("(" + response.responseText + ")"));

edspencer

propertiesExist = function(object, properties) {
  var allExist = true;
  properties = properties || {};

  Ext.each(properties, function(property) {
    var splits = property.split('.');
    var currentObj = object;
    Ext.each(splits, function(currentProperty, index, all) {
      if (!allExist) return false;

edspencer

Ext.onReady(function() {
  //The panel we'll be adding our nav items to
  var navGroup = new Ext.Panel({
    region: 'west',
    width:  180
  });
  
  //assuming this returns some JSON like {response: [{title: 'My Nav Item', html: 'some text'}, {title: 'Another item', html: 'test'}]}
  var store = new Ext.data.JsonStore({
      url:    '<?= RELATIVE_PATH ?>/Nav/View',

edspencer

/**
 * @class CampaignFilter
 * @extends Ext.Panel
 * Description
 */
CampaignFilter = Ext.extend(Ext.Panel, {
  
  constructor: function(config) {
    var config = config || {};

edspencer

//constructor for the MyClass class
MyClass = function() {
  //do whatever constructor logic you need, or just leave it blank
};

//creates a class-level function, which you can call via MyClass.loadThing()
MyClass.loadThing = function() {
  //do your loading thing
}