cookpad_calc_calorie.user.js

// ==UserScript==
// @name           CookpadCalcCalorie
// @namespace      http://polog.org/
// @include        http://cookpad.com/recipe/*
// @require        http://gist.github.com/3242.txt
// ==/UserScript==
// this script is using YACA - Yet Another Calorie API http://makimoto.tsuyabu.in/YACA/

var ingredient_calories = eval(GM_getValue('cache')) || {};
GM_addStyle(
    'div.cal_wrapper{position: relative;float:right;} div.cal{position: absolute; top: -1em; left: 20px; color: #AAA; font-size: 180%; opacity: 0.5;}'
);


$X('id("ingredients-list")/descendant::tr/td[1]/span').forEach(function(e){
    if(/<span/.exec(e.innerHTML))
        return;
    var ingredient = e.innerHTML.replace(/(^\s+|[\(（].*?[\)）]|[☆★○●◎△▲▽▼♡♥※]|\s+$)/g, '');
    set_calorie_by_ingredient(ingredient, e);
});

function set_calorie_by_ingredient(ingredient, element){
    if(!!ingredient_calories[ingredient])
        return appendCal(ingredient_calories[ingredient], element);
    var url = 'http://makimoto.tsuyabu.in/YACA_dev/api.py?appid=cookpad_calc_calorie&food=' + encodeURI(ingredient);

    GM_xmlhttpRequest({
        method: 'GET',
        url: url,
        onload: function(res){
            var ret = eval("(" + res.responseText + ")");
            var cal = ret.median;
            if(!cal)
                return;
            ingredient_calories[ingredient] = cal;
            GM_setValue('cache', uneval(ingredient_calories));
            appendCal(cal, element);
        }
    });
}

function appendCal(text, element){
    var w = document.createElement('div');
    w.className = 'cal_wrapper';
    var c = document.createElement('div');
    c.className = 'cal';
    c.innerHTML = '' + text + 'kcal';
    w.appendChild(c);
    element.appendChild(w);
}