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84 changes: 84 additions & 0 deletions Calculate.js
Original file line number Diff line number Diff line change
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/*jslint plusplus: true, browser: true, devel: true */

var znak = false; // false, если до этого либо ничего не записывали, либо вводили число. true, если до этого был введен знак
var operand = 0; // сохраняет текущее значение
var s = ""; // последний введенный знак0

function createNumber() {
"use strict";
var n = this.value,
result = ($(".b-calculator__result")).val();
if (znak) {
result = n;
znak = false;
} else {
if (result === "0") {// если был ноль - меняем его на число
result = n;
} else {// иначе приписываем число
result = result + n;
}
}
($(".b-calculator__result")).val(result);
}

function Operation() {
"use strict";
var Op = this.value,
result = ($(".b-calculator__result")).val();
if (znak && s !== "=") {// если ввели, например, "++"
result = operand;
} else {
znak = true;
if (s === "+") {
operand = operand + parseFloat(result);
}
if (s === "-") {
operand = operand - parseFloat(result);
}
if (s === "/") {
operand = operand / parseFloat(result);
}
if (s === "*") {
operand = operand * parseFloat(result);
}
if (s === "=" || s === "") {
operand = parseFloat(result);
}
result = operand;
s = Op;
}
($(".b-calculator__result")).val(result);
}

function point() {
"use strict";
var result = ($(".b-calculator__result")).val();
if (znak) {
result = "0.";
znak = false;
} else {
if (result.indexOf(".") === -1) { // если точки еще не было - дописываем. Иначе - игнорируемы
result = result + ".";
}
}
($(".b-calculator__result")).val(result);
}

$(document).ready(function () {
"use strict";
var $button_number = $(".b-calculator__button_type_number"),
$button_znak = $(".b-calculator__button_type_znak"),
$button_point = $(".b-calculator__button_type_point");

$('#Form').submit(function () {"use strict"; return false;});

$button_number.each(function (index, element) {
$(element).click(createNumber);
});
$button_znak.each(function (index, element) {
$(element).click(Operation);
});
$button_point.each(function (index, element) {
$(element).click(point);
});
});
32 changes: 32 additions & 0 deletions Calculator.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title> Калькулятор </title>
<link rel="stylesheet" href="calculator.css"/>
<script type="text/javascript" src="http://yandex.st/jquery/1.8.2/jquery.min.js"></script>
<script type="text/javascript" src="Calculate.js"></script>
</head>

<body>
<form class="b-calculator" name = "calculator" id="Form">
<button class="b-calculator__button b-calculator__button_type_number" name = "zero" value = "0"> 0 </button>
<button class="b-calculator__button b-calculator__button_type_number" name = "one" value = "1"> 1 </button>
<button class="b-calculator__button b-calculator__button_type_number" name = "two" value = "2"> 2 </button>
<button class="b-calculator__button b-calculator__button_type_number" name = "three" value = "3"> 3 </button>
<button class="b-calculator__button b-calculator__button_type_number" name = "four" value = "4"> 4 </button>
<button class="b-calculator__button b-calculator__button_type_number" name = "five" value = "5"> 5 </button>
<button class="b-calculator__button b-calculator__button_type_number" name = "six" value = "6"> 6 </button>
<button class="b-calculator__button b-calculator__button_type_number" name = "seven" value = "7"> 7 </button>
<button class="b-calculator__button b-calculator__button_type_number" name = "eight" value = "8"> 8 </button>
<button class="b-calculator__button b-calculator__button_type_number" name = "nine" value = "9"> 9 </button>
<button class="b-calculator__button b-calculator__button_type_znak" name = "equally" value = "="> = </button>
<button class="b-calculator__button b-calculator__button_type_znak" name = "plus" value = "+"> + </button>
<button class="b-calculator__button b-calculator__button_type_znak" name = "minus" value = "-"> - </button>
<button class="b-calculator__button b-calculator__button_type_znak" name = "multiply" value = "*"> * </button>
<button class="b-calculator__button b-calculator__button_type_znak" name = "divide" value = "/"> / </button>
<button class="b-calculator__button b-calculator__button_type_point" name = "point" value = "."> . </button>
<input class="b-calculator__result" name = "res" type = "text" value = "0"/>
</form>
</body>
</html>
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.b-calculator__button_type_number[name="zero"] {
bottom: 0;
width: 150px;
}

.b-calculator__button_type_number[name="one"],
.b-calculator__button_type_number[name="two"],
.b-calculator__button_type_number[name="three"] {
bottom: 80px;
}

.b-calculator__button_type_number[name="four"],
.b-calculator__button_type_number[name="five"],
.b-calculator__button_type_number[name="six"] {
bottom: 160px;
}

.b-calculator__button_type_number[name="seven"],
.b-calculator__button_type_number[name="eight"],
.b-calculator__button_type_number[name="nine"] {
bottom: 240px;
}

.b-calculator__button_type_number[name="three"],
.b-calculator__button_type_number[name="six"],
.b-calculator__button_type_number[name="nine"] {
left: 150px;
}

.b-calculator__button_type_number[name="two"],
.b-calculator__button_type_number[name="five"],
.b-calculator__button_type_number[name="eight"] {
left: 75px;
}
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.b-calculator__button_type_point {
left: 150px;
bottom: 0;
}
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.b-calculator__button_type_znak {
right: 0;
height: 64px;
}

.b-calculator__button_type_znak[name="equally"] {
bottom: 0;
}

.b-calculator__button_type_znak[name="plus"] {
bottom: 64px;
}

.b-calculator__button_type_znak[name="minus"] {
bottom: 128px;
}

.b-calculator__button_type_znak[name="multiply"] {
bottom: 192px;
}

.b-calculator__button_type_znak[name="divide"] {
bottom: 256px;
}
7 changes: 7 additions & 0 deletions blocks/b-calculator/__element/b-calculator__button.css
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.b-calculator__button {
background: -webkit-gradient(linear, 0 0, 0 100%, from(#D0ECF4), to(#D0ECF4), color-stop(0.5, #5BC9E1));
height: 80px;
position: absolute;
font-size: 150%;
width: 75px;
}
6 changes: 6 additions & 0 deletions blocks/b-calculator/__element/b-calculator__result.css
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.b-calculator__result {
height: 90px;
width: 290px;
font-size: 150%;
text-align: right;
}
11 changes: 11 additions & 0 deletions blocks/b-calculator/b-calculator.css
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.b-calculator {
width: 300px;
height: 420px;
position: absolute;
left: 50%;
margin-left: -150px;
top: 50px;
border: 5px solid #D0ECF4;
background: -webkit-gradient(linear, 0 0, 0 100%, from(#D0ECF4), to(#D0ECF4), color-stop(0.5, #5BC9E1));

}
6 changes: 6 additions & 0 deletions calculator.css
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@import url("blocks/b-calculator/b-calculator.css");
@import url("blocks/b-calculator/__element/b-calculator__button.css");
@import url("blocks/b-calculator/__element/b-calculator__result.css");
@import url("blocks/b-calculator/__element/_mod/b-calculator__button_type_number.css");
@import url("blocks/b-calculator/__element/_mod/b-calculator__button_type_point.css");
@import url("blocks/b-calculator/__element/_mod/b-calculator__button_type_znak.css");