Twitter search demo for Seed

twittersearch.js

Seed.import_namespace("Gtk");
Seed.import_namespace("Gdk");
Seed.import_namespace("Gio");
Seed.include("pretty.js");

Gtk.init(null, null);

var window = new Gtk.Window({"title": "Twitter Search", "border-width": 5});
window.signal.hide.connect(Gtk.main_quit);

Gtk.rc_parse_string('style "tv" {base[NORMAL] = @bg_color} widget_class "*GtkTextView" style "tv"');

function twitter_search(query) {
  return JSON.parse(Gio.file_new_for_uri(
    "http://search.twitter.com/search.json?q=" + query).read().get_contents());
}

function make_block(data) {
  var vbox = new Gtk.VBox({"spacing": 10, "border-width": 5});
  var heading = new Gtk.Label({
    "use-markup": true,
    "label": "<b><big>" + data.from_user + "</big></b>" +
             "(<small>" + prettyDate(data.created_at) + "</small>)"
  });

  var message = new Gtk.TextView({"wrap-mode": 2});
  message.buffer.text = data.text;
  
  heading.set_alignment(0, 0);
  vbox.pack_start(heading);
  vbox.pack_start(message);

  var frame = new Gtk.Frame({"border-width": 5});
  frame.add(vbox);
  return frame;
}

var messages = new Gtk.VBox();
var scroll = new Gtk.ScrolledWindow();
scroll.add_with_viewport(messages);
scroll.set_policy(1, 1)

var textbox = new Gtk.Entry();
var button = new Gtk.Button({label: "Search"});

button.signal.clicked.connect(function(w) {
  var results = twitter_search(textbox.get_text()).results
  messages.foreach(function(c) {messages.remove(c)});
  
  for (index in results) {
    messages.pack_start(make_block(results[index]));
  }

  messages.show_all();
});

var searchbox = new Gtk.HBox();
searchbox.pack_start(textbox, true, true);
searchbox.pack_start(button);

var layout = new Gtk.VBox({"spacing": 5});
layout.pack_start(searchbox);
layout.pack_start(scroll, true, true);

window.add(layout);
window.show_all();
Gtk.main();