Tutorial: Google Maps usando el API de Twitter

  • Autor Autor Maiden Alan
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Maiden Alan

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ESTRUCTURA:

Al principio vamos a escribir algo de código HTML simple.
PHP:
<div id="map"></div>
<div class="twitter">
	<div class="inside"></div>
</div>
<div class="posts"></div>
<div class="get">
	<input type="hidden" value="marcinmobily" />
	<input type="hidden" value="codrops" />
	<input type="hidden" value="onextrapixel" />
	<input type="hidden" value="smashingmag" />
	<input type="hidden" value="umutm" />
	<input type="hidden" value="1stwebdesigner" />
	<input type="hidden" value="chriscoyier" />
	<input type="hidden" value="marcofolio" />
</div>


Javascript

Al principio hay que definir las variables globales.

PHP:
var map, geocoder, marker, ey, my, mouseDown = false;

Entonces se crea el objeto principal que se incorporan todas las funciones utilizadas por nosotros. La función más importante en este objeto es el "init" función.

PHP:
var map, geocoder, marker, ey, my, mouseDown = false;
var o = {
	init: function(){
		// in this place we will call all needed functions
	}
}
$(function(){ o.init(); }


PHP:
var map, geocoder, marker, ey, my, mouseDown = false;
var o = {
	init: function(){
		this.map.init();
	},
	map: {
		size: function(){
			var w = $(window).width(),
				h = $(window).height();
			return { width: w, height: h }
		},
		data: {
			zoom: 3,
			center: new google.maps.LatLng(52, 23),
			mapTypeId: google.maps.MapTypeId.ROADMAP
		},
		init: function(){
			var size = o.map.size();
			$('#map').css({ width: size.width, height: size.height });
			map = new google.maps.Map(document.getElementById('map'), o.map.data),
			geocoder = new google.maps.Geocoder();
			google.maps.event.addListener(map, 'dragstart', function(){
				$('.posts').hide();
			});
		}
	}
}
$(function(){ o.init(); }


PHP:
var map, geocoder, marker, ey, my, mouseDown = false;
var o = {
	init: function(){
		this.map.init();
		this.twitter.show();
		this.twitter.click();
	},
	twitter: {
		get: function(){
			var arr = new Array;
			$('.get').find('input').each(function(i){
				var t = $(this),
					val = t.val();
				arr[i] = val;
			});
			return arr;
		},
		show: function(){
			var users = o.twitter.get(),
				arr = new Array;
			for (i in users){
				var user = users[i];
				$.getJSON('http://twitter.com/users/show/'+user+'.json?callback=?', function(data) {
					var img = data.profile_image_url,
						screen_name = data.screen_name;
					geocoder.geocode({ address: data.location }, function(response, status){
						if (status == google.maps.GeocoderStatus.OK) {
							var x = response[0].geometry.location.lat(),
								y = response[0].geometry.location.lng();
							marker = new google.maps.Marker({
								icon: img,
								map: map,
								title: screen_name,
								position: new google.maps.LatLng(x, y)
							});
							arr.push('<div class="item">');
							arr.push('<p class="img"><a href="#" class="open" rel="'+screen_name+'"><img src="'+img+'" alt="" /></a></p>');
							arr.push('<div class="entry">');
							arr.push('<a href="#" class="open title" rel="'+screen_name+'">'+data.name+'</a>');
							arr.push('<p class="description">'+data.description+'</p>');
							arr.push('<p class="url"><a href="'+data.url+'" target="_blank">'+data.url+'</a></p>');
							arr.push('<p class="count">Followers: '+data.followers_count+', Following: '+data.friends_count+'</p>');
							arr.push('</div>');
							arr.push('</div>');
							var html = arr.join('');
							arr = [];
							$('.twitter').find('.inside').append(html);
							google.maps.event.addListener(marker, 'click', function(){
								o.twitter.open(this.title);
							});
						}
					});
				});
			}
		},
		click: function(){
			$('.twitter').find('.open').live('click', function(){
				var t = $(this), rel = t.attr('rel');
				o.twitter.open(rel);
			});
		},
		open: function(user){
			var posts = $('.posts'), arr = new Array;
			$.getJSON('http://twitter.com/status/user_timeline/'+user+'.json?count=5&callback=?', function(data) {
				$.each(data, function(i, post){
					arr.push('<div class="post">');
					arr.push(post.text);
					arr.push('</div>');
				});
				var html = arr.join('');
				posts.html(html).fadeIn();
			});
		}
	},
	map: {
		size: function(){
			var w = $(window).width(),
				h = $(window).height();
			return { width: w, height: h }
		},
		data: {
			zoom: 3,
			center: new google.maps.LatLng(52, 23),
			mapTypeId: google.maps.MapTypeId.ROADMAP
		},
		init: function(){
			var size = o.map.size();
			$('#map').css({ width: size.width, height: size.height });
			map = new google.maps.Map(document.getElementById('map'), o.map.data),
			geocoder = new google.maps.Geocoder();
			google.maps.event.addListener(map, 'dragstart', function(){
				$('.posts').hide();
			});
		}
	}
}
$(function(){ o.init(); }

Por último, vamos a añadir un 'scroll' objeto que tiene una función llamada "init" que se encarga de desplazamiento de la div. Twitter 'verticalmente.

PHP:
var map, geocoder, marker, ey, my, mouseDown = false;
var o = {
	init: function(){
		this.map.init();
		this.twitter.show();
		this.twitter.click();
	},
	twitter: {
		get: function(){
			var arr = new Array;
			$('.get').find('input').each(function(i){
				var t = $(this),
					val = t.val();
				arr[i] = val;
			});
			return arr;
		},
		show: function(){
			var users = o.twitter.get(), // retrieve all users which are stored in html
				arr = new Array;
			for (i in users){
				var user = users[i];
				$.getJSON('http://twitter.com/users/show/'+user+'.json?callback=?', function(data) {
					var img = data.profile_image_url,
						screen_name = data.screen_name;
					geocoder.geocode({ address: data.location }, function(response, status){
						if (status == google.maps.GeocoderStatus.OK) {
							var x = response[0].geometry.location.lat(),
								y = response[0].geometry.location.lng();
							marker = new google.maps.Marker({
								icon: img,
								map: map,
								title: screen_name,
								position: new google.maps.LatLng(x, y)
							});
							arr.push('<div class="item">');
							arr.push('<p class="img"><a href="#" class="open" rel="'+screen_name+'"><img src="'+img+'" alt="" /></a></p>');
							arr.push('<div class="entry">');
							arr.push('<a href="#" class="open title" rel="'+screen_name+'">'+data.name+'</a>');
							arr.push('<p class="description">'+data.description+'</p>');
							arr.push('<p class="url"><a href="'+data.url+'" target="_blank">'+data.url+'</a></p>');
							arr.push('<p class="count">Followers: '+data.followers_count+', Following: '+data.friends_count+'</p>');
							arr.push('</div>');
							arr.push('</div>');
							var html = arr.join('');
							arr = [];
							$('.twitter').find('.inside').append(html);
							google.maps.event.addListener(marker, 'click', function(){
								o.twitter.open(this.title);
							});
						}
					});
				});
			}
		},
		click: function(){
			$('.twitter').find('.open').live('click', function(){
				var t = $(this), rel = t.attr('rel');
				o.twitter.open(rel);
			});
		},
		open: function(user){
			var posts = $('.posts'), arr = new Array;
			$.getJSON('http://twitter.com/status/user_timeline/'+user+'.json?count=5&callback=?', function(data) {
				$.each(data, function(i, post){
					arr.push('<div class="post">');
					arr.push(post.text);
					arr.push('</div>');
				});
				var html = arr.join('');
				posts.html(html).fadeIn();
			});
		}
	},
	map: {
		size: function(){
			var w = $(window).width(),
				h = $(window).height();
			return { width: w, height: h }
		},
		data: {
			zoom: 3,
			center: new google.maps.LatLng(52, 23),
			mapTypeId: google.maps.MapTypeId.ROADMAP
		},
		init: function(){
			var size = o.map.size();
			$('#map').css({ width: size.width, height: size.height });
			map = new google.maps.Map(document.getElementById('map'), o.map.data),
			geocoder = new google.maps.Geocoder();
			google.maps.event.addListener(map, 'dragstart', function(){
				$('.posts').hide();
			});
		}
	},
	scroll: {
		mouse: function(e){
			var y = e.pageY;
			return y;
		},
		check: function(y){
			var all = $('.twitter').height(),
				inside = $('.twitter').find('.inside').height();
			if (y < (all - inside)) {
				y = all - inside;
			} else if (y > 0) {
				y = 0;
			}
			return y;
		},
		update: function(e){
			var y = o.scroll.mouse(e),
				movey = y-my,
				top = ey+movey;
				check = o.scroll.check(top);
			$('.twitter').find('.inside').css({ top: check+'px' });
		},
		init: function(){
			$('.twitter').find('.inside').bind({
				mousedown: function(e){
					e.preventDefault();
					mouseDown = true;
					var mouse = o.scroll.mouse(e);
						my = mouse;
					var element = $(this).position();
						ey = element.top;
					o.scroll.update(e);
				},
				mousemove: function(e){
					if (mouseDown)
						o.scroll.update(e);
					return false;
				},
				mouseup: function(){
					if (mouseDown)
						mouseDown = false;
					return false;
				},
				mouseleave: function(){
					if (mouseDown)
						mouseDown = false;
					return false;
				}
			});
		}
	}
}
$(function(){ o.init(); }

CSS

En primer lugar, vamos a integrar nuestro reset.css que se restablecerán todos los estilos básicos, y vamos a definir algunas propiedades principales:

PHP:
@import url("reset.css");

html, body {
	margin:0;
	padding:0;
}

body {
	font-family:Arial, Helvetica, sans-serif;
	font-size:12px;
	color:#333;
	line-height:18px;
}

a {
	text-decoration:none;
	color:#fff;
}

A continuación, vamos a definir los estilos para el mapa, los mensajes de Twitter y las descripciones.

PHP:
.twitter {
	position:fixed;
	left:0;
	bottom:0;
	background:#000;
	background:rgba(0, 0, 0, .7);
	width:100%;
	height:180px;
	color:#fff;
	overflow:hidden;
}

.twitter .inside {
	position:absolute;
	top:0;
	left:0;
	cursor:n-resize;
}

.twitter .item {
	float:left;
	width:280px;
	padding:20px;
}

.twitter .item .img {
	float:left;
	width:48px;
}

.twitter .img img {
	-moz-box-shadow:0 0 5px #000;
	-webkit-box-shadow:0 0 5px #000;
	box-shadow:0 0 5px #000;
}

.twitter .item .entry {
	float:right;
	width:215px;
	height:140px;
	color:#eee;
	font-size:11px;
	position:relative;
}

.twitter .item .count {
	position:absolute;
	left:0;
	bottom:-10px;
	font-size:10px;
	text-transform:uppercase;
}

.twitter .item .title {
	font-size:13px;
	font-weight:bold;
	color:#fff;
}

.twitter .item .url a {
	text-decoration:underline;
}

.twitter .item p {
	margin-bottom:5px;
}

.posts {
	display:none;
	position:absolute;
	left:50%;
	margin-left:-310px;
	width:580px;
	bottom:180px;
	background:#fff;
	color:#fff;
	background:#000;
	background:rgba(0, 0, 0, .7);
	padding:20px;
}

.posts .post {
	float:left;
	clear:both;
	width:100%;
	margin-bottom:20px;
	font-size:12px;
	font-weight:bold;
}

Conclusion



Demostracion : Interactive Google Map using the Twitter API

Link hacia el Tutorial original: Interactive Google Map using the Twitter API | Codrops
 
Última edición:
Muy interesante! No se que uso darle, pero lo voy a estudiar.
Saludos!
 
Última edición: