/*
* @title Cookpad Recipe Scalable
* @description Cookpad Recipe Scalable
* @include http://cookpad.com/recipe
* @license MIT License
*/
// TODO: 曖昧表現 (少々、適量、多め、好きなだけ等)
(function() {
// ----[main]-------------------------------
var MULTI_NUMS = '０１２３４５６７８９'.split('');
var DELICIOUS_REGEXP = /(肉|豚|ブタ|ぶた|牛|ビーフ|鳥|鶏|とり|トリ|バター|油|塩|しお|砂糖|さとう)/;
var healthyLevel = 0;
var byNum = 1;
var html = [
'<div id="operations">',
'<h3>操作</h3>',
'<div>',
'<button id="healthier">ヘルシーに</button>',
'<button id="delicious">うまそうに</button>',
'<button id="clear">クリア</button>',
'<input id="by" type="text" style="width:3em" />',
'<button id="multiply">倍</button>',
'</div>',
'</div>'
].join('');
$('div#operations').remove();
$('div#ingredients').before($(html));
eachIngredient(function(name, quantity) {
$.data(quantity.get(0), 'original', quantity.html());
});
$.data($('span.servings_for').get(0), 'original', $('span.servings_for').html());
multiplyIngredients(byNum);
multiplyServingsFor(byNum);
$('button#healthier').click(function() {
healthyLevel++;
multiplyIngredients((1 - healthyLevel*0.1)*byNum, DELICIOUS_REGEXP);
});
$('button#delicious').click(function() {
healthyLevel--;
multiplyIngredients((1 - healthyLevel*0.1)*byNum, DELICIOUS_REGEXP);
});
$('button#clear').click(function() {
healthyLevel = 0;
byNum = 1;
multiplyIngredients(byNum);
multiplyServingsFor(byNum);
});
$('button#multiply').click(function() {
byNum = $('input#by').val();
multiplyIngredients(byNum);
multiplyServingsFor(byNum);
});
// ----[utility]-----------------------------------
function eachIngredient(callback) {
$('div.ingredient_row').each(function() {
var name = $('div.ingredient_name', this);
var quantity = $('div.ingredient_quantity', this);
if(name.size() > 0 && quantity.size() > 0) callback(name, quantity);
})
}
function multiplyIngredients(by, regex) {
eachIngredient(function(name, quantity) {
if(regex && !regex.test(name.html())) return;
var orig = $.data(quantity.get(0), 'original');
var conv = replaceNumber(orig, function(n) { return round(n*by) });
//console.log(name.html() + ':' + orig + ' -> ' + conv);
quantity.html(conv);
});
}
function multiplyServingsFor(by) {
var orig = $.data($('span.servings_for').get(0), 'original');
var conv = replaceNumber(orig, function(n) { return round(n*by) })
$('span.servings_for').html(conv);
}
function round(n) {
return Math.round(n*100)/100;
}
function replaceNumber(text, callback) {
text = text
.replace(/[０-９]/g, function(s) { return String.fromCharCode(s.charCodeAt(0) - 65248);})
.replace(/([0-9]+)分の([0-9]+)/g, function(a, f, s) { return s + '/' ; f })
.replace(/半分?/g, '0.5')
.replace(/．/g, '.')
.replace(/／/g, '/');
text = text.replace(/(([0-9]+)( |\s|と))?([0-9\.\/]+)/g, function(all, add, addnum, addsym, num) {
//console.log(all, add, addnum, addsym, num);
var n = eval(num);
if(add) n = n + eval(addnum);
return callback(n);
});
return text;
}
})();
