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selectionsort.html
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selectionsort.html
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<!DOCTYPE html>
<html>
<head>
<title>Selection Sort Visualization</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="style.css">
<style>
body {
font-family: Arial, sans-serif;
background-color: #f4f4f4;
margin: 0;
padding: 0;
}
#buttons {
margin: 20px;
text-align: center;
}
input, button {
margin: 5px;
padding: 10px;
font-size: 16px;
border-radius: 5px;
border: 1px solid #ccc;
outline: none;
}
button {
cursor: pointer;
transition: background-color 0.3s ease;
}
button:hover {
background-color: #ddd;
}
.btn-primary {
background-color: #007bff;
color: white;
border: none;
}
.btn-primary:hover {
background-color: #0056b3;
}
.btn-danger {
background-color: #dc3545;
color: white;
border: none;
}
.btn-danger:hover {
background-color: #bd2130;
}
text {
fill: black;
font-size: 16px;
text-anchor: middle;
z-index: 3;
}
rect {
fill: white;
stroke: #a5a5a5;
stroke-width: 2px;
z-index: 2;
}
.unsorted {
fill: #e4e4e4;
}
.sorted {
fill: #0adf1c;
}
.min {
fill: #ef233c;
}
.testing {
fill: #d90429;
}
.header {
background-color: #333;
color: white;
padding: 20px 0;
text-align: center;
position: relative; /* Ensure z-index works */
}
.header a {
color: white;
padding: 21px 15px;
text-decoration: none;
font-size: 18px;
transition: background-color 0.3s ease; /* Smooth transition */
}
.header a:hover {
background-color: #ddd;
color: black; /* Adjust text color on hover */
}
.sh {
display: flex;
justify-content: center;
align-items: center;
height: 500px;
}
#heading {
text-align: center;
margin-top: 20px;
color: #333;
font-size: 36px;
font-weight: bold;
}
</style>
<script src="https://d3js.org/d3.v4.min.js"></script>
</head>
<body>
<div id="Loader"></div>
<div class="header">
<a href="index.html">Home</a>
<a href="Bubble.html">Bubble Sort</a>
<a href="Insertion.html">Insertion Sort</a>
<a href="selectionsort.html">Selection Sort</a>
<a href="mergesort.html">Merge Sort</a>
</div>
<div id="contain">
<h2 id="heading">SELECTION SORT</h2>
<div class="sh"></div>
<div id="buttons">
<input id="array" type="text" placeholder="Enter array separated by space" size="30">
<button id="submit" class="btn-primary" onclick="submit()">Submit</button>
<button class="btn-default" onclick="selectionSort()">Selection Sort</button>
<button class="btn-default" onclick="stop = true" style="margin-left:40px">Stop</button>
<button class="btn-default" onclick="stop = false; selectionSort()">Resume</button>
<button class="btn-default" onclick="reset()">Reset</button>
<button class="btn-default btn-danger" onClick="window.location.reload();">Clear</button>
</div>
</div>
<script>
var count = 9 + 1,
durationTime = 900,
array,
unsortedArray,
sortedArray = [],
stop = false,
steps = 0;
var margin = {top: 40, right: 40, bottom: 180, left: 40},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var barWidth = width / count;
var x = d3.scaleLinear()
.domain([0, count])
.range([0, width]);
var svg = d3.select('.sh').append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var rects;
var labels;
function submit() {
document.getElementById("submit").disabled = true;
var array2 = document.getElementById("array").value;
array2 = array2.split(" ").map(function (item) {
return parseInt(item, 10);
});
array = array2;
unsortedArray = [...array];
rects = svg.append("g")
.attr("transform", "translate(" + barWidth + ",2)")
.selectAll("rect")
.data(unsortedArray)
.enter().append("rect");
rects.attr("id", function (d, i) { return "rect" + i })
.attr("transform", function (d, i) { return "translate(" + (x(i) - barWidth / 2) + ",0)" })
.attr("width", barWidth * 0.8)
.attr("height", function (d) { return d * 20; }) // Adjusted for better visualization
.attr("y", function (d) { return height - d * 20; }) // Adjusted for better visualization
.attr("class", "unsorted");
labels = svg.selectAll("text")
.data(unsortedArray)
.enter().append("text");
labels.attr("id", function (d, i) { return "text" + i })
.attr("x", function (d, i) { return x(i) + barWidth / 2; })
.attr("y", function (d) { return height - d * 20 - 10; }) // Adjusted for better visualization
.attr("text-anchor", "middle")
.attr("class", "number-text")
.text(function (d) { return d; });
}
function reset() {
unsortedArray = [...array];
sortedArray = [];
stop = false;
labels.text(function (d) { return d; })
.transition().duration(2000)
.attr("x", function (d, i) { return x(i) + barWidth / 2; })
.attr("y", function (d) { return height - d * 20 - 10; });
rects.attr("class", "unsorted")
.transition().duration(2000)
.attr("transform", function (d, i) { return "translate(" + (x(i) - barWidth / 2) + ",0)"; })
.attr("height", function (d) { return d * 20; })
.attr("y", function (d) { return height - d * 20; });
}
function selectionSort() {
var i = 0, j = 0, minIdx;
function step() {
if (stop) return;
if (i < unsortedArray.length - 1) {
if (j < unsortedArray.length) {
if (j === i) {
minIdx = i;
d3.select("#rect" + i).classed("min", true);
} else {
d3.select("#rect" + j).classed("testing", true);
if (unsortedArray[j] < unsortedArray[minIdx]) {
d3.select("#rect" + minIdx).classed("min", false);
minIdx = j;
d3.select("#rect" + minIdx).classed("min", true);
}
d3.timeout(function () {
d3.select("#rect" + j).classed("testing", false);
j++;
step();
}, durationTime);
return;
}
j++;
step();
} else {
if (minIdx !== i) {
var temp = unsortedArray[i];
unsortedArray[i] = unsortedArray[minIdx];
unsortedArray[minIdx] = temp;
d3.select("#rect" + i)
.transition().duration(durationTime)
.attr("height", unsortedArray[i] * 20)
.attr("y", height - unsortedArray[i] * 20);
d3.select("#rect" + minIdx)
.transition().duration(durationTime)
.attr("height", unsortedArray[minIdx] * 20)
.attr("y", height - unsortedArray[minIdx] * 20);
d3.select("#text" + i).text(unsortedArray[i])
.transition().duration(durationTime)
.attr("x", x(i) + barWidth / 2)
.attr("y", height - unsortedArray[i] * 20 - 10);
d3.select("#text" + minIdx).text(unsortedArray[minIdx])
.transition().duration(durationTime)
.attr("x", x(minIdx) + barWidth / 2)
.attr("y", height - unsortedArray[minIdx] * 20 - 10);
}
d3.select("#rect" + i).classed("sorted", true);
d3.select("#rect" + minIdx).classed("min", false);
i++;
j = i;
d3.timeout(step, durationTime);
}
} else {
d3.select("#rect" + i).classed("sorted", true);
}
}
step();
}
</script>
<script>
var loader = document.getElementById("Loader");
window.addEventListener("load", function(){
loader.style.display = "none";
})
</script>
</body>
</html>