gt.ks.js

(function(){
    let targetLang = "ja"; // target lang to translate into
    let alternativeLang = "en"; // if given word is in targetLang, use this instead as a target lang
    function translate(word, target, next) {
        next("", "", " getting...");
        const base = "https://www.googleapis.com/language/translate/v2?key=%s&q=%s&target=%s";
        const apikey = "AIzaSyBq48p8NhFgaJ1DfUJ5ltbwLxeXpjEL86A";
        let ep = util.format(base, apikey, encodeURIComponent(word), target);
        util.httpGet(ep, false, function (res) {
            if (res.status === 200) {
                let json = decodeJSON(res.responseText);
                let srclang = json.data.translations[0].detectedSourceLanguage;
                if (target == srclang) {
                    lookupword(word, alternativeLang);
                } else {
                    let result = json.data.translations[0].translatedText;
                    next(srclang, target, result);
                }
            } else {
                next("", "", "ERROR!");
            }
        });
    };
    function echo(srclang, from, tglang, to){
        display.echoStatusBar(srclang + " : " + from + " -> " + tglang + " : " + to);
    };
    function decodeJSON(json) {
        return util.safeEval("(" + json + ")");
    };
    function lookupword(word, target){
        translate(word, target, function (src, tg, translated) {
            echo(src, word, tg, translated);
        });
    };
    function read (aInitialInput) {
        let prevText = "";

        prompt.reader({
            message : "word or sentence to translate:",
            initialinput : aInitialInput,
            onChange: function (arg) {
                let word = arg.textbox.value;
                if (word !== prevText) {
                    prevText = word;
                    lookupword(word, targetLang);
                }
            },
            callback: function (s){},
        });
    };
    ext.add("google-itranslate",function(){read(content.document.getSelection() || "");},"google itranslate");
})();