check-twitter.ubiq.js

const Name = 'check-twitter',
Twitter = 'http://twitter.com/',
Icon = Twitter +'favicon.ico',
Base = <div class={Name}><style><![CDATA[
  ${position:relative}
  $ol {list-style:none; margin:0}
  $li {font-size:92%; line-height:1.2em}
  $ol, $li {padding:0.2em 0}
  $a img {border:none}
  $button {font:bold 100% "Consolas",monospace; padding:0; border-width:1px}
  $.user, $.page {font-weight:bolder; font-size:larger; margin:0 0.2em}
  $.user img {vertical-align:middle}
  $.navi {position:absolute; top:0; left:0; width:100%; text-align:center}
  $.created_at, $.source {font-size:smaller}
  $.error {font-style:oblique; line-height:1.8}
  $.logo {display:block}
  $.loading + .logo {opacity:0.4}
  $.error + .logo {opacity:0.7}
]]></style><div id={Name}> </div><a class="logo" href={Twitter}
><img width="125" height="29"
src="http://assets0.twitter.com/images/twitter_logo_125x29.png"
/></a></div>.toXMLString().replace(/\$/g, '.'+ Name +' '),
Sel = '#'+ Name,
noun_type_twitter_friend = {
  _name: 'twitter friend',
  list: null,
  request: function request(fb, name, list, dict, page){
    jQuery.ajax({
      url: ('http://twitter.com/statuses/friends.json?id='+ name +
            '&page='+ page),
      dataType: 'json',
      success: function(o){
        if(page === 1) o.push({screen_name: name});
        else if(!o.length) return;
        var ss = [], i = 0, l = list.length;
        for each(var {screen_name: sn} in o) if(!(sn in dict)){
          dict[sn] = 1;
          list[l++] = ss[i++] = {text: sn, summary: sn};
        }
        fb(ss);
        request(fb, name, list, dict, page + 1);
      },
      error: ajaxerr,
    });
  },
  friends: function(cb, re){
    function filterBack(ss){
      for(var sf = [], i = 0, l = ss.length; i < l; ++i){
        var s = ss[i], x = s.text.search(re);
        if(~x && s.text !== re.source) sf[x * l + i] = s;
      }
      sf.length && cb(sf.reduce(function(r, s)(r.push(s), r), []));
    }
    var {list} = this;
    if(list)
      Utils.setTimeout(function(){ filterBack(list) });
    else {
      list = this.list = [];
      var dict = {};
      for each(var u in noun_type_twitter_user.suggest(''))
        this.request(filterBack, u.text, list, dict, 1);
    }
  },
  suggest: function(txt, htm, cb, sx){
    try { var re = RegExp(txt, 'i') } catch(_){}
    if(re) this.friends(cb, re);
    return [CmdUtils.makeSugg(txt, htm, null, sx)];
  },
};
function ajaxerr(x, s, e){
  say(x.status, x.statusText, '('+ s +')');
}
function say(){
  displayMessage({icon: Icon, title: Name, text: Array.join(arguments, ' ')});
}
function set(c, a, p, f){
  var [{user: {screen_name, profile_image_url}}] = a, ls = [
    '<li>'+
    t.text.replace(/https?:\/\/\S+/g, httplink).replace(/@(\w+)/g, atlink) +
    ' <a class="created_at" href="'+ Twitter +'status/'+ t.id +'">'+
    new Date(t.created_at).toString('yy-MM-dd hh:mm:ss') +
    '</a> <span class="source">'+ t.source +'</span></li>'
    for each(t in a)],
  prev = <button accesskey="," value={p - 1}>&lt;,</button>,
  next = <button accesskey="." value={p + 1}>.&gt;</button>;
  if(p < 2) prev.@disabled = 'disabled';
  c.innerHTML = (
    <><div class="navi">{prev}<span class="page">{p}</span>{next}</div>
    <a class="user" href={Twitter + screen_name}
    ><img src={profile_image_url}/>{screen_name}</a></> +
      '<ol>'+ ls.join('') +'</ol>');
  for each(var b in c.getElementsByTagName('button'))
    b.addEventListener('focus', function(e){
      b.blur();
      b.disabled = true;
      f(b.value);
    }, true);
  c.className = '';
}
function hmm(c){
  c.innerHTML = Array.slice(arguments, 1).join(' ');
  c.className = 'error';
}
function httplink(t) t.link(t);
function atlink(_, t) '@'+ t.link(Twitter + t);
CmdUtils.CreateCommand({
  name: Name,
  synonyms: ['ctw'],
  description:
  'Checks '+ 'tweets'.link(Twitter) +' of the specified user.',
  icon: Icon,
  takes: {'screen name': noun_type_twitter_friend},
  execute: function({text: sn}){
    Utils.openUrlInBrowser(Twitter + sn);
  },
  preview: function preview(pbl, {text: sn}, _, page){
    var [c] = jQuery(Sel, pbl), pg = +page || 1;
    if(!c){
      pbl.innerHTML = Base;
      [c] = jQuery(Sel, pbl);
    }
    if(!sn) return;
    c.className += ' loading';
    CmdUtils.previewAjax(pbl, {
      url: Twitter +'statuses/user_timeline.json?id='+ sn +'&page='+ pg,
      dataType: 'json',
      success: function(o){
        if(o.length)
          set(c, o, pg, function(p){ preview(pbl, {text: sn}, _, p) });
        else
          hmm(c, '<b>'+ sn +'</b> has no status on page <b>'+ pg +'</b>.');
      },
      error: function(x, s){ hmm(c, x.status, x.statusText, '('+ s +')') },
    });
  },
  previewDelay: 222,
  author: ['powchin'.link('http://tako3.com/search/powchin'),
           'satyr'.link('http://ubigist.appjet.net/?o=satyr')].join(', '),
  licence: 'MIT',
});