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commit existing workshops

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boris
2024-10-17 00:35:53 +01:00
parent 4070dc5367
commit ed02b435fe
74 changed files with 1083 additions and 91 deletions
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50
workshop5/Models/Calculator.php Normal file
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<?php
class Calculator
{
/*
* Class for calculating 2 numbers
*/
var $expression;
/*
* Constructor takes 2 numbers and an operator
* @param int $number Number to be converted
* @param string $unit Conversion unit
*/
public function __construct($expression = '')
{
$this->expression = $expression;
}
/*
* Calculates number and returns result
* @return string Result of calculation
*/
public function calculate(): string
{
$result = false;
$this->expression = preg_replace('/\s+/', '', $this->expression);
if(preg_match('/(\d+)([x\*\-\+\/])(\d+)/', $this->expression, $matches)) {
$number1 = $matches[1];
$operator = $matches[2];
$number2 = $matches[3];
if (is_numeric($number1) && is_numeric($number2)) {
switch ($operator) {
case '+':
$result = ($number1 + $number2);
break;
case '-':
$result = ($number1 - $number2);
break;
case '*':
case 'x':
$result = ($number1 * $number2);
break;
case '/':
$result = ($number1 / $number2);
break;
}
}
} return $result;
}
}

20
workshop5/Views/calculator.phtml Executable file
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<?php require('template/header.phtml') ?>
<form action="<?php echo $_SERVER['PHP_SELF'] ?>" method="POST">
<div class="form-row align-items-center">
<div class="col-auto">
<label class="visually-hidden" for="exp">Expression</label>
<div class="input-group mb-2">
<div class="input-group-prepend">
<div class="input-group-text">Exp</div>
</div>
<input class="form-control" id="exp" placeholder="Expression" type="text" name="expression" value="<?php if(isset($_POST['expression'])) echo $_POST['expression'] ?>"/>
</div>
<div class="col-auto">
<input class="btn btn-primary" type="submit" value="Submit" name="submit" />
</div>
</div>
</form>
<?php if(isset($view->result)) : ?>
<p><?php echo $view->result; ?></p>
<?php endif; ?>
<?php require('template/footer.phtml') ?>

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workshop5/Views/template/header.phtml Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="">
<meta name="author" content="">
<!-- Bootstrap core CSS -->
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.0/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-gH2yIJqKdNHPEq0n4Mqa/HGKIhSkIHeL5AyhkYV8i59U5AR6csBvApHHNl/vI1Bx" crossorigin="anonymous">
<link href="/css/my-style.css" rel="stylesheet">
<title>Server-Side Programming - <?php echo $view->pageTitle; ?></title>
</head>
<body class="d-flex flex-column h-100">
<!--<body role=""document"> -->
<header>
<!-- Fixed navbar -->
<nav class="navbar navbar-expand-md navbar-dark fixed-top bg-dark">
<div class="container-fluid">
<a class="navbar-brand" href="#">Fixed navbar</a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarCollapse" aria-controls="navbarCollapse" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarCollapse">
<ul class="navbar-nav me-auto mb-2 mb-md-0">
<li class="nav-item">
<a class="nav-link active" aria-current="page" href="index.php">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" href="page1.php">Page1</a>
</li>
<li class="nav-item">
<a class="nav-link" href="calculator.php">Calculator</a>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
<form class="d-flex" role="search">
<input class="form-control me-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success" type="submit">Search</button>
</form>
</div>
</div>
</nav>
</header>
<!-- Begin page content -->
<main class="flex-shrink-0">
<div class="container">
<div class="row">
<div id="title" class="col-xs-12">
<img src="images/new_uos_logo.jpg" alt="Salford University" />
<h1><?php echo $view->pageTitle ?> </h1>
<!-- https://getbootstrap.com/docs/5.2/examples/sticky-footer-navbar/ -->
</div>
</div>
<div class="row">
<section id="content" class="col-xs-6 col-sm-9 col-md-10">

18
workshop5/calculator.php Executable file
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<?php
$view = new stdClass();
$view->pageTitle = 'Calculator';
require_once('Models/Calculator.php');
if(isset($_POST['submit'])) {
$calculator = new Calculator($_POST['expression']);
$value = $calculator->calculate();
if (!$value) {
$view->value = "Invalid Number";
}
else {
$view->result = 'The result is ' . $value;
}
}
require_once('Views/calculator.phtml');

30
workshop5/css/my-style.css Normal file
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main > .container {
padding: 60px 15px 0;
}
#title {
margin-top: 12px;
background-color: #fff;
color: #000;
}
#content {
background-color: #fff;
border-top: solid 6px #f00;
}
#footer {
/*margin_top: 20px;
text-align: center;
background-color: #000;
color: #fff; */
}