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<html lang="en" dir="ltr">
<head>
<meta charset="utf-8" />
<title></title>
<link rel="stylesheet" href="style.css" />
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.8.2/css/all.css" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script src="custom-chart.min.js"></script>
</head>
<body>
<header>
<h1>Expense Chart</h1>
</header>
<main>
<select class="amount-for">
<option value="">Select category</option>
<option value="food">Food</option>
<option value="travel">Travel</option>
<option value="health">Health</option>
<option value="rent">Rent</option>
</select>
<input type="number" class="amount" placeholder="Amount spent" />
<button id="add-button">Add</button>
<section class="exp-chart">
<h3>Expense chart</h3>
<canvas id="myChart" width="200" height="200"></canvas>
<ul class="labels">
<!-- Template for labels -->
<!-- End -->
</ul>
</section>
<section class="exp-list">
<h3>Expense Log</h3>
<!-- Template for each log -->
<!-- End -->
</section>
</main>
<script type="text/javascript">
const exp = { food: 0, travel: 0, health: 0, rent: 0 };
const colors = {food: "greenyellow", travel: "yellow", health: "lightblue", rent: "grey"};
$("#add-button").on("click", function (e) {
let label1 = $('.amount-for').val();
let label = label1[0].toUpperCase()+label1.substring(1);
let amount = $('.amount').val();
let li = document.createElement('li');
li.id='li_'+label1;
li.innerHTML = `<span class="dot" style="background-color: ${colors[label1]}"></span>${label} ₹${amount}`;
$(".labels").append(li);
let spent = ` <article class="log" id =article_${label1}>
<span class="category">${label}</span><i class="fas fa-trash-alt" onclick="handleOnDelete(this,'${label1}')"></i><span class="spent">₹${amount}</span>
</article>`
$('.exp-list').html($('.exp-list').html()+spent);
exp[label1]=amount;
$.fn.displayChart();
});
const handleOnDelete = (el,id)=>{
exp[id]=0;
$("#article_"+id).remove();
$("#li_"+id).remove();
$.fn.displayChart();
}
//Function to display pie chart
$.fn.displayChart = function () {
let data = [
{
value: exp["food"],
color: "greenyellow",
label: "Food",
},
{
value: exp["travel"],
color: "yellow",
label: "Travel",
},
{
value: exp["health"],
color: "lightblue",
label: "Health",
},
{
value: exp["rent"],
color: "grey",
label: "Rent",
},
];
let ctx = $("#myChart").get(0).getContext("2d");
let myPieChart = new Chart(ctx).Pie(data);
};
$.fn.displayChart();
</script>
</body>
</html>
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