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stack.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta content="width=device-width, initial-scale=1.0" name="viewport" />
<title>Stack - AlgoVis.io</title>
<meta
content="AlgoVis is an online algorithm visualization tool."
name="description"
/>
<meta content="algorithm visualization tool online" name="keywords" />
<!-- Favicons -->
<link href="assets/img/favicon.png" rel="icon" />
<link href="assets/img/apple-touch-icon.png" rel="apple-touch-icon" />
<!-- Google Fonts -->
<link
href="https://fonts.googleapis.com/css?family=Open+Sans:300,300i,400,400i,600,600i,700,700i|Raleway:300,300i,400,400i,500,500i,600,600i,700,700i|Poppins:300,300i,400,400i,500,500i,600,600i,700,700i"
rel="stylesheet"
/>
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href="assets/vendor/bootstrap/css/bootstrap.min.css"
rel="stylesheet"
/>
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href="assets/vendor/owl.carousel/assets/owl.carousel.min.css"
rel="stylesheet"
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<link
rel="stylesheet"
href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-slider/11.0.2/css/bootstrap-slider.min.css"
/>
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<link href="assets/css/style.css" rel="stylesheet" />
</head>
<body>
<!-- ======= Top Bar ======= -->
<div
id="topbar"
class="d-none d-lg-flex align-items-center fixed-top header-inner-pages"
>
<div class="container-fluid d-flex">
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class="linkedin"
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</div>
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<!-- ======= Header ======= -->
<header id="header" class="fixed-top header-inner-pages">
<div class="container-fluid d-flex align-items-center">
<a class="btn back-button mr-4" href="datastructures.html"
><i class="bx bx-arrow-back white-text" aria-hidden="true"></i>
Back</a
>
<h1 class="logo mr-auto"><a href="index.html">Algovis.io</a></h1>
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<!-- <a href="index.html" class="logo mr-auto"><img src="assets/img/logo.png" alt="" class="img-fluid"></a>-->
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<ul>
<li><a href="index.html">Home</a></li>
</ul>
</nav>
<!-- .nav-menu -->
</div>
</header>
<!-- End Header -->
<main id="main">
<!-- ======= Breadcrumbs ======= -->
<section id="breadcrumbs" class="breadcrumbs">
<div class="container-fluid">
<ol>
<li><a href="index.html">Home</a></li>
<li><a href="datastructures.html">Data structures</a></li>
<li>Stack</li>
</ol>
<h2>Stack visualization</h2>
</div>
</section>
<!-- End Breadcrumbs -->
<section class="inner-page pt-2">
<div class="container-fluid">
<div class="row mx-auto mb-2">
<div class="col-sm-2">
<button
class="btn btn-block btn-dark"
onclick="generateStack()"
id="generate"
>
Generate random stack
</button>
</div>
<div class="col-sm-2 pl-0">
<div class="dropdown">
<button
class="btn btn-dark btn-block dropdown-toggle"
type="button"
id="dropdownOp"
data-toggle="dropdown"
aria-haspopup="true"
aria-expanded="false"
>
Select an operation
</button>
<div class="dropdown-menu" aria-labelledby="dropdownOp">
<button
class="dropdown-item"
onclick="setOperation(1)"
type="button"
>
Push element
</button>
<button
class="dropdown-item"
onclick="setOperation(2)"
type="button"
>
Pop element
</button>
<button
class="dropdown-item"
onclick="setOperation(3)"
type="button"
>
Peek
</button>
</div>
</div>
</div>
<div id="valInput" class="col-sm-3" hidden>
<form class="form-inline">
<div class="col-2">
<label class="mr-2" for="data-val-input">Data</label>
</div>
<div class="col-10">
<input
type="text"
class="form-control mx-auto w-100"
id="data-val-input"
placeholder="22"
/><small id="data-error" class="red-text" hidden>
Please select a number < 1000.
</small>
</div>
</form>
</div>
<div class="col-sm-2">
<button
class="btn btn-block btn-danger red"
type="button"
id="startOp"
onclick="runOp()"
>
Go!
</button>
</div>
<div class="col-sm-5">
<div
class="alert alert-danger text-center my-0 py-2"
role="alert"
id="stackSizeError"
hidden
>
<div class="row">
<div class="col-1">
<i class="bx bx-error-circle"></i>
</div>
<div class="col-11">Please add an element first.</div>
</div>
</div>
</div>
</div>
<div class="data-container-big border-dark p-1 mb-0 mt-0 w-100">
<svg id="visu"></svg>
</div>
<div class="row mx-auto" id="pop-pseudocode">
<div class="col-sm-12 col-md-12 col-lg-4 px-0 mr-0">
<div class="ide w-100">
<div class="row ml-auto mr-auto 1">
<span class="comment w-100">--------</span>
<span class="comment w-100 mt-1">| PUSH |</span>
<span class="comment w-100 mt-1">--------</span>
<span class="comment w-100 mt-1"
>1. Append the data to the array emulating the functionality of a stack.</span
>
<span class="comment w-100 mt-1"
> </span
>
<span class="comment w-100 mt-1"
>TIME COMPLEXITY: O(1)</span
>
</div>
</div>
</div>
<div class="col-sm-12 col-md-12 col-lg-4 px-0 mr-0">
<div class="ide w-100">
<div class="row ml-auto mr-auto 1">
<span class="comment w-100">-------</span>
<span class="comment w-100 mt-1">| POP |</span>
<span class="comment w-100 mt-1">-------</span>
<span class="comment w-100 mt-1"
>1. Truncate the last element of the array and return it.</span
>
<span class="comment w-100 mt-1"
> </span
>
<span class="comment w-100 mt-1"
>TIME COMPLEXITY: O(1)</span
>
</div>
</div>
</div>
<div class="col-sm-12 col-md-12 col-lg-4 px-0 mr-0">
<div class="ide w-100">
<div class="row ml-auto mr-auto 1">
<span class="comment w-100">--------</span>
<span class="comment w-100 mt-1">| PEEK |</span>
<span class="comment w-100 mt-1">--------</span>
<span class="comment w-100 mt-1"
>1. Return the element last added to the array without removing it.</span
>
<span class="comment w-100 mt-1"
> </span
>
<span class="comment w-100 mt-1"
>TIME COMPLEXITY: O(1)</span
>
</div>
</div>
</div>
</div>
</section>
</main>
<!-- ======= Footer ======= -->
<footer id="footer">
<div class="footer-top">
<div class="container">
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<div class="footer-info">
<h3>AlgoVis.io</h3>
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class="xing"
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class="linkedin"
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<script src="assets/vendor/bootstrap/js/bootstrap.bundle.min.js"></script>
<script src="assets/vendor/jquery.easing/jquery.easing.min.js"></script>
<script src="assets/vendor/php-email-form/validate.js"></script>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-slider/11.0.2/bootstrap-slider.min.js"></script>
<script src="https://d3js.org/d3.v5.js"></script>
<script src="assets/js/Data_structures/stack.js"></script>
<script src="assets/js/Data_structures/anim/anim_stack.js"></script>
<script src="assets/js/Data_structures/anim/anim_helpers.js"></script>
<!-- Template Main JS File -->
<script src="assets/js/main.js"></script>
<script>
const container = document.querySelector(".data-container");
var DELAY = 500;
var w = globalThis.screen.availWidth;
var h = 584;
var data_nodes = [];
var data_set = new Set();
var radius = 25;
var strokeWidth = "5px";
var stack = new Stack();
function setDelay(delay) {
DELAY = delay;
}
var xScale = d3.scaleLinear().domain([0, w]).range([0, w]);
var yScale = d3.scaleLinear().domain([0, h]).range([0, h]);
var svg = d3.select("#visu");
svg.append("g").attr("id", "g-paths");
svg
.append("svg:defs")
.attr("id", "defs")
.append("svg:marker")
.attr("id", "triangle")
.attr("refX", 40)
.attr("refY", 9)
.attr("markerWidth", 40)
.attr("markerHeight", 40)
.attr("markerUnits", "userSpaceOnUse")
.attr("orient", "auto")
.append("path")
.attr("d", "M 0 0 18 9 0 18 5 9")
.attr("id", "triangle-path")
.style("fill", "#171717");
svg
.append("text")
.attr("id", "results-text")
.attr("y", "580")
.attr("x", "5")
.attr("font-size", "25px")
.attr("font-weight", "bold");
svg
.append("line")
.attr("x1", function (d, i) {
return w / 2 - 85;
})
.attr("y1", function (d, i) {
return h - 40;
})
.attr("x2", function (d, i) {
return w / 2 + 85;
})
.attr("y2", function (d, i) {
return h - 40;
})
.attr("stroke", "#171717")
.attr("stroke-width", "2px")
.attr("id", "baseline");
async function timeout(delay) {
await new Promise((resolve) =>
setTimeout(() => {
resolve();
}, delay)
);
}
async function generateStack() {
$("#generate, #dropdownOp, #startOp").prop("disabled", true);
stack = new Stack();
data_nodes = [];
var ids = ["baseline", "results-text"];
svg
.selectAll("*")
.filter(function (d, i) {
return !ids.includes(this.id);
})
.remove();
let rand = Math.round(Math.random() * 2 + 4);
for (let i = 0; i < rand; i++) {
let data = Math.round(Math.random() * 998 + 1);
while (data_set.has(data)) {
data = Math.round(Math.random() * 998 + 1);
}
await stack.push(data);
}
$("#generate, #dropdownOp, #startOp").prop("disabled", false);
}
function setOperation(op) {
$("#stackSizeError").prop("hidden", true);
switch (op) {
case 1:
operation = "push";
$("#dropdownOp").html("Push element");
$("#valInput").prop("hidden", false);
break;
case 2:
operation = "pop";
$("#dropdownOp").html("Pop element");
$("#valInput").prop("hidden", true);
break;
case 3:
operation = "peek";
$("#dropdownOp").html("Peek");
$("#valInput").prop("hidden", true);
break;
default:
operation = "push";
$("#dropdownOp").html("Push element");
$("#valInput").prop("hidden", false);
break;
}
}
async function runOp() {
let error = false;
switch (operation) {
//--- PUSH ---
case "push":
$("#generate, #dropdownOp, #startOp").prop("disabled", true);
d3.select("#results-text").text("");
let data = !$("#data-val-input").val()
? 22
: Number($("#data-val-input").val());
if (data > 999) {
$("#data-val-input").css("border-color", "red");
$("#data-error").prop("hidden", false);
$("#data-error").html("Please select a number < 1000.");
error = true;
} else if (stack.size > 8) {
$("#data-val-input").css("border-color", "red");
$("#data-error").prop("hidden", false);
$("#data-error").html("The maximum size of the stack is 9.");
error = true;
} else {
$("#data-val-input").css("border-color", "");
$("#data-error").prop("hidden", true);
}
if (!error) {
await stack.push(data);
}
$("#generate, #dropdownOp, #startOp").prop("disabled", false);
break;
//--- POP ---
case "pop":
$("#generate, #dropdownOp, #startOp").prop("disabled", true);
d3.select("#results-text").text("");
if (stack.size == 0) {
$("#stackSizeError").prop("hidden", false);
} else {
let num = await stack.pop();
//await highlightCode(0);
d3.select("#results-text").text(
"Popped " + num + " from the stack."
);
}
$("#generate, #dropdownOp, #startOp").prop("disabled", false);
break;
//--- PEEK ---
case "peek":
$("#generate, #dropdownOp, #startOp").prop("disabled", true);
d3.select("#results-text").text("");
if (stack.size == 0) {
$("#stackSizeError").prop("hidden", false);
} else {
let num = await stack.peek();
d3.select("#results-text").text(
num + " is the next element on the stack."
);
}
$("#generate, #dropdownOp, #startOp").prop("disabled", false);
break;
default:
break;
}
}
</script>
<script>
$(document).ready(function () {
d3.select("#visu")
.attr("width", "100%")
.attr("height", "584")
.attr("viewBox", "0 0 " + globalThis.screen.availWidth + " 584");
});
</script>
</body>
</html>