x-radial-buttons Polymer

gistfile1.js

<link href="bower_components/polymer/polymer.html" rel="import">
<link rel="import" href="../paper-radio-group/paper-radio-group.html">
<link rel="import" href="../paper-radio-button/paper-radio-button.html">

<polymer-element name="x-radial-buttons">

    <!-- Shadow DOM -->
    <template>
        <style>
            #paper_radio_group {
                position: relative;
                width: 440px;
                height: 50px;
            }
        </style>
        <paper-radio-group selected="English-GB" valueattr="label" selectedindex="1" id="paper_radio_group">
            <paper-radio-button label="English-US" id="paper_radio_btn_en-US" on-click="{{ changeAccentUS }}"></paper-radio-button>
            <paper-radio-button checked label="English-GB" id="paper_radio_btn_en-GB" on-click="{{ changeAccentGB }}"></paper-radio-button>
            <paper-radio-button label="Spanish" id="paper_radio_btn_es-ES" on-click="{{ changeAccentES }}"></paper-radio-button>
        </paper-radio-group>
    </template> <!-- /Shadow DOM -->

    <script>
        Polymer('x-radial-buttons', {
            /* -- Attributes ------------------------------------------------ */
            currentAccent: 'en-US',
            //accentArr: ['en-US', 'en-GB, es-ES'],
            created: function() {
                accentArr = ['en-US', 'en-GB', 'es-ES'];
            },
           
            /* -- Methods --------------------------------------------------- */
            getCurrentAccent: function() {
                return currentAccent;
            },
            getFirstElement: function () {
                console.log(this.$.paper_radio_group.querySelector("#paper_radio_btn_en-US"));
                return this.$.paper_radio_group.querySelector("#paper_radio_btn_en-US");
            },
            getSecondElement: function () {
                return this.$.paper_radio_group.querySelector("#paper_radio_btn_en-GB");
            },
            getThirdElement: function () {
                return this.$.paper_radio_group.querySelector("#paper_radio_btn_es-ES");
            },
            changeAccentUS: function(event, detail, sender) {
                console.log("Changed accent to American " + this.currentAccent);
                currentAccent = accentArr[0];
                //pokemonApp.changeAccent();
            },
            changeAccentGB: function() {
                console.log("Changed accent to British " + this.currentAccent);
                //currentAccent = accentArr[1];
                pokemonApp.changeAccent();
            },
            changeAccentES: function () {
                console.log("Changed accent to Spanish " + this.currentAccent);
                currentAccent =  accentArr[2];
                pokemonApp.changeAccent();
            }
        });
    </script>
</polymer-element>