<?xml version="1.0" encoding="utf-8"?>
<page xmlns="http://projectmallard.org/1.0/" xmlns:xi="http://www.w3.org/2001/XInclude" type="guide" style="task" id="linkbutton.js" xml:lang="pt-BR">
  <info>
  <title type="text">LinkButton (JavaScript)</title>
    <link type="guide" xref="beginner.js#buttons"/>
    <revision version="0.1" date="2012-05-29" status="draft"/>

    <credit type="author copyright">
      <name>Taryn Fox</name>
      <email>jewelfox@fursona.net</email>
      <years>2012</years>
    </credit>

    <desc>A button that links to a web page</desc>
  
    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
      <mal:name>Rafael Ferreira</mal:name>
      <mal:email>rafael.f.f1@gmail.com</mal:email>
      <mal:years>2013</mal:years>
    </mal:credit>
  </info>

  <title>LinkButton</title>
  <media type="image" mime="image/png" src="media/linkbutton.png"/>
  <p>A button that links to live.gnome.org.</p>

<code mime="application/javascript" style="numbered">#!/usr/bin/gjs

const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;

const LinkButtonExample = new Lang.Class ({
    Name: 'LinkButton Example',

    // Create the application itself
        _init: function () {
        this.application = new Gtk.Application ({
              application_id: 'org.example.jslinkbutton',
              flags: Gio.ApplicationFlags.FLAGS_NONE
         });

    // Connect 'activate' and 'startup' signals to the callback functions
    this.application.connect('activate', Lang.bind(this, this._onActivate));
    this.application.connect('startup', Lang.bind(this, this._onStartup));
    },

    // Callback function for 'activate' signal presents window when active
    _onActivate: function () {
        this._window.present ();
    },

    // Callback function for 'startup' signal initializes menus and builds the UI
    _onStartup: function () {
        this._buildUI ();
    },

    // Build the application's UI
    _buildUI: function () {

        // Create the application window
    this._window = new Gtk.ApplicationWindow  ({ application: this.application,
                                                 window_position: Gtk.WindowPosition.CENTER,
                                                 title: "GNOME LinkButton",
                                                 default_height: 50,
                                                 default_width: 250 });

        // Create the LinkButton and have it link to live.gnome.org
        this.LinkButton = new Gtk.LinkButton ({label: "Link to GNOME live!",
                               uri: "http://live.gnome.org"});
        this._window.add (this.LinkButton);

    // Show the window and all child widgets
    this._window.show_all();
    },
});

// Run the application
let app = new LinkButtonExample ();
app.application.run (ARGV);
</code>
<p>
  In this sample we used the following:
</p>
<list>
  <item><p><link href="http://www.roojs.com/seed/gir-1.2-gtk-3.0/gjs/Gtk.Application.html">Gtk.Application</link></p></item>
  <item><p><link href="http://developer.gnome.org/gtk3/stable/GtkApplicationWindow.html">Gtk.ApplicationWindow</link></p></item>
  <item><p><link href="http://www.roojs.com/seed/gir-1.2-gtk-3.0/gjs/Gtk.LinkButton.html">Gtk.LinkButton</link></p></item>
</list>
</page>
