formula

CmdUtils.CreateCommand({
  name: "formula",
  takes: {"expression in LaTeX": noun_arb_text},
  
  homepage: "http://blog.s21g.com/genki",
  author: {name: "Genki Takiuchi", homepage: "http://blog.s21g.com/genki"},
  license: "MPL",
  
  preview: function( pblock, what ) {
    var base = "https://secure.s21g.com/formula/formulae/preview_with_auth";
    var img_url = [base, '?expression=', encodeURIComponent(what.text)].join('');
    jQuery.get(img_url, null, function(){
      pblock.innerHTML = [
        '<div style="height:200px"><img src="', img_url,
        '" style="display:block;background:#FFF;-moz-border-radius:5px;border:5px solid #FFF" />',
        'powered by <a href="http://formula.s21g.com/" style="text-decoration:underline">formula.s21g.com</a></div>'].join('');
    });
  },
  
  execute: function( what, mods ) {
    Utils.openUrlInBrowser(['https://secure.s21g.com/formula/formulae/create_with_auth?formula[expression]=',
      encodeURIComponent(what.text), '&base=http%3A%2F%2Fformula.s21g.com%2F'].join(''));
  }
})