jquerymx/model/demo-events.html at master · jupiterjs/jquerymx · GitHub

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
            "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
	<head>
		<title>Model Events Demo</title>
        <style type='text/css'>
            body {font-family: verdana}
            li {border: solid 1px gray; padding: 5px; width: 250px;}
			li a {color: red; font-weight: bold;}
			p {width: 400px;}
        </style>
	</head>
	<body>
<div id="demo-instructions">
		<h1>Model Events Demo</h1>
		<p>This demo shows listening to model update events.
		Clicking on a person's name will show a form to update
		their birthday.  Change the birthday and 'blur' the
		input to update their listed age.</p>
</div>
<div id="demo-html">
<div id='update'></div>

<h2>Direct Binding</h2>
<p>
   The following list binds
   directly to "birthday" events.
</p>
<div id='contacts1'></div>

<h2>Model Binding</h2>
<p>
   The following list binds
   to "updated" events on Contact.
</p>
<div id='contacts2'></div>
</div>
<script type='text/javascript'
        src='../../steal/steal.js'>
</script>

<script type='text/javascript'>
steal('jquery/model',
	  'jquery/dom/fixture',
	  'jquery/model/list',
	  'jquery/controller',
	   function(){

// =============== Setup Fixtures ===============

$.fixture("GET /contacts.json", function(){
	return [[{'id': 1,'name' : 'Justin Meyer','birthday': '1982-10-20'},
	       {'id': 2,'name' : 'Brian Moschel','birthday': '1983-11-10'},
	       {'id': 3,'name' : 'Alex Gomes','birthday': '1980-2-10'}]];
});

$.fixture("PUT /contacts/{id}.json", function(){
	return {};
})

// =============== Contacts Model ===============

$.Model("Contact",{
	attributes : {
		birthday : 'date'
	},
	convert : {
    	// a date converter helper
		date : function(raw){
			if(typeof raw == 'string'){
				// if a string, convert to a date
				var matches = raw.match(/(\d+)-(\d+)-(\d+)/)
				return new Date( matches[1],
				                 (+matches[2])-1,
				                 matches[3] )
			}else if(raw instanceof Date){
				return raw;
			}
		}
	},
	findAll : "/contacts.json",
	update : "/contacts/{id}.json"
},{
	ageThisYear : function(){
		return new Date().getFullYear() -
		      this.birthday.getFullYear()
	},
	getBirthday : function(){
		return ""+this.birthday.getFullYear()+
			"-"+(this.birthday.getMonth()+1)+
			"-"+this.birthday.getDate();
	}
});

// updates the name of a contact

$.Controller("NameUpdater",{
	init : function(){
		this.draw();
	},
	update : function(options){
		this._super(options);
		this.draw();
	},
	draw : function(){
		var contact = this.options.contact;
		this.element.html("")
		    .append(contact.name+"'s birthday")
			.append( $('<input/>').val(contact.attr("birthday")) )
	},
	"input change" : function(el){
		this.options.contact.update({
			'birthday': el.val()
		})
	}
});


// =============== A list that binds on each contact ===============

bindOnEachContact = function(contacts){
  var contactsEl = $('#contacts1');
  $.each(contacts, function(i, contact){
    var li = $('<li>')
              .model(contact)
              .html(contact.name+" "+contact.ageThisYear()+
                    " <a>Show</a>")
              .appendTo(contactsEl);
    contact.bind("birthday", function(){
      li.html(contact.name+" "+this.ageThisYear()+
              " <a>Show</a>");
    })
  })

};

$('#contacts1').delegate("li","click", function(){
	$('#update').name_updater({
		contact : $(this).closest('.contact').model()
	});
});

makeListWithoutBinding = function(contacts){
  var contactsEl = $('#contacts2'),
  	html = [],
	contact;

  for(var i =0; i < contacts.length;i++){
  	contact = contacts[i]
	html.push("<li class='contact ",
		contact.identity(),"'>",
		contact.name+" "+contact.ageThisYear()+
                    " <a>Show</a>",
		"</li>")
  }
  contactsEl.html(html.join(""))


  $('#contacts2').delegate("li","click", function(){
	$('#update').name_updater({
		contact : contacts.get(this)[0]
	});
  });

};

Contact.bind("updated", function(ev, contact){
	 contact.elements($('#contacts2'))
        .html(contact.name+" "+contact.ageThisYear()+
          " <a>Show</a>");
})


// List 1
Contact.findAll({},function(contacts){
  bindOnEachContact(contacts);
  makeListWithoutBinding(contacts)
});


});

</script>
	</body>
</html>