Created
January 27, 2012 16:45
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basic ajax/sinatra example
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$:.unshift File.expand_path(File.dirname(__FILE__)) | |
require "viz" | |
run Sinatra::Application |
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#!/usr/bin/env ruby | |
require 'rubygems' | |
require 'sinatra' | |
get '/' do | |
erb :index | |
end | |
get '/follower_viz' do | |
@user = params[:user] | |
erb :follower | |
end | |
get '/repo_viz' do | |
@user = params[:user] | |
erb :repo | |
end | |
__END__ | |
@@ index | |
<html> | |
<head> | |
<meta http-equiv="content-type" content="text/html;charset=utf-8"> | |
<title>githubviz</title> | |
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script> | |
<script type="text/javascript"> | |
$(function (){ | |
$('#viz_form').submit(function(ev){ | |
//this happens if form is submitted | |
//prevent the default behavior of a form (it should do nothing in our case) | |
ev.preventDefault(); | |
//send an ajax request to our action | |
$.ajax({ | |
url: "/follower_viz", | |
//serialize the form and use it as data for our ajax request | |
data: $(this).serialize(), | |
//the type of data we are expecting back from server, could be json too | |
dataType: "html", | |
success: function(data) { | |
//if our ajax request is successful, replace the content of our viz div with the response data | |
$('#viz').html(data); | |
} | |
}); | |
//show the link to the repo_viz (don't forget: we are still in the submit event!) | |
$('#viz_link').append($("#viz_form input:first").val()); | |
$('#viz_p').show(); | |
}); | |
$('#viz_link').click(function(ev){ | |
//this happens if we click our new shiny link with the submitted username in it | |
//do you remember?! :) | |
ev.preventDefault(); | |
$.ajax({ | |
url: "/repo_viz", | |
data: "user="+$("#viz_form input:first").val(), | |
dataType: "html", | |
success: function(data) { | |
$('#viz').html(data); | |
} | |
}); | |
}); | |
}); | |
</script> | |
</head> | |
<body> | |
<form action="/" method="post" id="viz_form"> | |
<label>Enter your username:</label> | |
<input name="user" type="text"> | |
<input type="submit" value="Do it!"> | |
</form> | |
<p id="viz_p" style="display:none;"><a id="viz_link" href="#">click here if you want to see the awesome repo_viz for </a></p> | |
<div id="viz" style="margin:20px;border:1px dashed black;height:400px;"> | |
</div> | |
</body> | |
</html> | |
@@ follower | |
<p>here comes the crazy follower_viz for <%= @user %></p> | |
@@ repo | |
<h1>this viz from <%= @user %>'s repos is HUGE!</h1> |
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