<?php
{
session_start();
if(isset($_SESSION['arr']))
{
if($_POST["text"]=='')
{
startsearch($_POST["search"]);
unset($_SESSION['arr']);
$_SESSION['count']=0;
$_SESSION['arr']=array();
}
else
{
array_push($_SESSION['arr'],$_POST["text"]);
$_SESSION['count']=$_SESSION['count']+1;
}
}
else
{
$_SESSION['count']=0;
$_SESSION['arr']=array();
}
}
?>
<?php
function startsearch($srch)
{
for($i=0;$i<$_SESSION['count'];$i++)
$myShape1[$i]=new SWFShape();
for($i=0;$i<$_SESSION['count'];$i++)
{
$myShape1[$i]->setLine(5,0,0,255); //WIDTH of the line and its rgb value
$myShape1[$i]->setRightFill(255,0,0);
$myShape1[$i]->movePen(-15,-65);
$myShape1[$i]->drawLine(130,0);
$myShape1[$i]->drawLine(0,130);
$myShape1[$i]->drawLine(-130,0);
$myShape1[$i]->drawLine(0,-130);
}
$myMovie=new SWFMovie();
$myMovie->setDimension(1200,1200);
$myMovie->setBackground(255,0,0);//red
//print the search term and array elements
$myFont1=new SWFFont("bit.fdb");
$myText1=new SWFText();
$myText3=new SWFText();
$myText4=new SWFText();
$myText4->setFont($myFont1);
$myText4->setColor(0,255,255);
$myText4->setHeight(40);
$myText1->setFont($myFont1);
$myText1->setColor(0,255,255);
$myText1->setHeight(40);
$myText3->setFont($myFont1);
$myText3->setColor(0,255,255);
$myText3->setHeight(40);
$myText1->addString("The elements in the array are");
$firstText1=$myMovie->add($myText1);
$firstText1->moveTo(20,350);
$k=20;
foreach ($_SESSION['arr'] as $val)
{
$myText2=new SWFText();
$myText2->setFont($myFont1);
$myText2->setColor(0,255,255);
$myText2->setHeight(40);
$myText2->addString($val);
$firstText2=$myMovie->add($myText2);
$firstText2->moveTo($k,400);
$k=$k+120;
}
$myText3->addString("The search value is ");
$firstText3=$myMovie->add($myText3);
$firstText3->moveTo(20,500);
$myText4->addString($srch);
$firstText4=$myMovie->add($myText4);
$firstText4->moveTo(500,500);
$k=130;
$j=0;
foreach ($_SESSION['arr'] as $val) //adding each shape as a moving square with text
{
$movingSquare[$j]=$myMovie->add($myShape1[$j]);
$movingSquare[$j]->moveTo($k,100);
$myFont=new SWFFont("bit.fdb");
$myText=new SWFText();
$myText->setFont($myFont);
$myText->setColor(255,0,255);
$myText->setHeight(40);
$myText->addString($val);
$firstText=$myMovie->add($myText);
$firstText->moveTo($k+0.5,100);
for($i=0; $i<10; $i++){
$myMovie->nextFrame();
$movingSquare[$j]->multColor(1.0-$i/10, 1.0, 1.0); } //moving the frame after adding the square and number
$k=$k+130;
$j++;
}
$k=130;
$j=0;
foreach ($_SESSION['arr'] as $val) //adding each shape as a moving square with text
{
$movingSquare[$j]=$myMovie->add($myShape1[$j]);
$movingSquare[$j]->moveTo($k,100);
$myFont=new SWFFont("bit.fdb");
$myText=new SWFText();
$myText->setFont($myFont);
$myText->setColor(255,0,255);
$myText->setHeight(40);
$myText->addString($val);
$firstText=$myMovie->add($myText);
$firstText->moveTo($k+0.5,100);
if($srch!=$val)
{
for($i=0; $i<10; $i++){
$myMovie->nextFrame();
$movingSquare[$j]->multColor(1.0, 1.0, 1.0-$i/10); }
for($i=0; $i<10; $i++){
$myMovie->nextFrame();
$movingSquare[$j]->multColor(1.0-$i/10, 1.0, 1.0); }
}
else
{
for($i=0; $i<10; $i++){
$myMovie->nextFrame();
$movingSquare[$j]->multColor(1.0, 1.0, 1.0-$i/10); }
$myFont6=new SWFFont("bit.fdb");
$myText6=new SWFText();
$myText6->setFont($myFont6);
$myText6->setColor(0,0,255);
$myText6->setHeight(40);
$myText6->addString("Element found at position ".($j+1));
$firstText6=$myMovie->add($myText6);
$firstText6->moveTo(20,600);
for($i=0; $i<10; $i++){
$myMovie->nextFrame();
}
break;
} //moving the frame after adding the square and number
$k=$k+130;
$j++;
}
if($j==$_SESSION['count'])
{
$myText5=new SWFText();
$myText5->setFont($myFont1);
$myText5->setColor(0,0,255);
$myText5->setHeight(40);
$myText5->addString("Element not in array");
$firstText5=$myMovie->add($myText5);
$firstText5->moveTo(20,600);
for($i=0; $i<10; $i++){
$myMovie->nextFrame();
}
}
$myMovie->save("linear.swf");
}
?>
<html>
<head>
<script type='text/javascript' src='recoverscroll.js'></script>
<title>Learn Data Structures the Flash Way</title>
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
<link rel="stylesheet" href="stylesheet.css" type="text/css" />
<style type="text/css">
<!--
.style4 {
font-size: 12pt;
font-weight: bold;
color: #663333;
}
.style6 {font-size: 12pt; font-weight: bold; color: #3300FF; }
-->
</style>
</head>
<body onLoad="document.f.text.focus()">
<script type='text/javascript'>
RecoverScroll.addToHandler(window,'onload',function(){RecoverScroll.init()});
</script>
<div id="container">
<div id="header">
<h2>Let's learn, here's my card.</h2>
<h1><a href="#">Data Structures Tutor </a></h1>
</div>
<div id="navigation">
<ul>
<li><a href="index.php">Home</a></li>
<li><a href=#>Animated Algorithms</a>
<ul>
<li><a href="linear.php">Linear search</a></li><br />
<li><a href="binary.php">Binary search</a></li><br />
<li><a href="bubble.php">Bubble sort</a></li><br />
<li><a href="selection.php">Selection sort</a></li><br />
<li><a href="insertion.php">Insertion sort</a></li><br />
<li><a href="shell.php">Shell sort</a></li><br />
</ul>
</li>
</ul>
</div>
<div id="content">
<span id="flash"><EMBED src="linear.swf" WIDTH=554 HEIGHT=500 loop="false" TYPE="application/x-shockwave-flash" PLUGINSPAGE= "http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" bgcolor="#663333"> </EMBED></span>
<br>
<form name="f" action = "<? echo $_SERVER['PHP_SELF']?>" method="post">
Array value: <input type="text" name="text" value="<?=$text?>" size="30"><br><br>
Search value: <input type="text" name="search" value="<?=$search?>" size="30"><br><br>
<input type="submit" name="sub1">
<br>
*-Press submit after entering every value of the array and finally enter the search value
</form>
<br>
<br>
<form action="down.php" name="fff" method="post">
<input type="hidden" name="file" value="linear.swf">
<input type="submit" name = "click to download the flash" value="Download the generated flash!">
</form>
</div>
</div>
<p class="style4">ALGORITHM FOR LINEAR SEARCH </p>
<p> <span class="style6">1.Start<br>
2.Get input elements as 'array','count' as the number of elements<br>
3.Get the search element 'search'<br>
4.index=0<br>
5.while(index less_than count) do <br>
5.1 if(array[index]==search)<br>
{<br>
print "element found at position"[index]<br>
break <br>
}<br>
5.2 else<br>
index++;<br>
6.Stop</span></p>
<p> </p>
<p><span class="style6"><br>
</span></p>
</body>
</html>