ubiquity_qr.js

var noun_type_url_or_arb = {
  label: "url or text",

  default: noun_type_url.default,

  suggest: function nt_url_arb_sugg(text, html, callback, selectionIndices) {
    var textLC = text.toLowerCase();
    if (textLC.substring(0,4) == "url ") {
      return noun_type_url.suggest(text.substring(4), text.substring(4), callback, selectionIndices);
    } else {
      return noun_arb_text.suggest(text, html, callback, selectionIndices);
    }
  }
};

/* This is a template command. */
CmdUtils.CreateCommand({
  names: ["qr"],
  icon: "http://2dcode.ning.com/favicon.ico",
  description: "Generate a QR code.",
  help: "Input text to encode it in a QR barcode.  The default is the URL of the current page.  Press enter to insert the QR code.",
  author: {name: "Patrick O'Leary", email: "patrick.oleary@gmail.com"},
  license: "GPL",
  homepage: "http://patrick.greentaperacing.us/",
  arguments: [{role: 'object', nountype: noun_type_url_or_arb}, {role: 'format', nountype: noun_type_percentage, label: 'size'}],
  preview: function preview(pblock, args) {
    var chssize = Math.ceil(150*args.format.data);
    var chsstr = chssize + 'x' + chssize;
    pblock.innerHTML = "<img src='http://chart.apis.google.com/chart?cht=qr&chs=" + chsstr + "&chl=" + escape(args.object.text) + "' />";
  },
  execute: function execute(args) {
    var chssize = Math.ceil(350*args.format.data);
    var chsstr = chssize + 'x' + chssize;
    CmdUtils.setSelection("<img src='http://chart.apis.google.com/chart?cht=qr&chs=" + chsstr + "&chl=" + escape(args.object.text) + "' />");
  }
});