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alu.html
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alu.html
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<!--
ALU (Automatically Load URL) - Copyright 2017 Sebastian Becker, Philipp Schwetschnenau.
Licenced under the GPLv3.
This file is part of ALU (Automatically Load URL).
ALU is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
ALU is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with ALU. If not, see <http://www.gnu.org/licenses/>.
-->
<html>
<head>
</head>
<body>
<script type="text/javascript">
<!-- load url that is pasted into the html textbox urlSource -->
function loadUrl(){
var textinput = document.getElementById("urlSource").value;
if(validURL(textinput)){
document.getElementById("urlDisplay").src = textinput;
//window.open(textinput);
}
}
<!-- clear the pasted url from the html textbox urlSource -->
function clear1(){
document.getElementById("urlSource").value= "";
}
<!-- checks if url is a syntactical valid url with help of regular expressions -->
function validURL(textinput) {
var regex = /^(https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s]{2,}|www\.[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s]{2,}|https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9]\.[^\s]{2,}|www\.[a-zA-Z0-9]\.[^\s]{2,})/;
if(!regex .test(textinput)) {
//alert(textinput + ' is not a valid URL!');
return false;
} else {
//alert('valid');
return true;
}
}
</script>
<!-- render textbox urlSource where url can be pasted and call function loadUrl with onkeyup event -->
<!-- use autofocus event to place cursor in textbox on page load -->
<!-- pasted url must be in http://www.xyz.com or https://www.xyz.com -->
<!-- you can also add value="http://" or value is "https://" to line 21 so that urls can be pasted just as www.xyz.com or xyz.com -->
<p>
<input type="text" id="urlSource" onkeyup="loadUrl()" autofocus="autofocus">
</p>
<!-- render iframe with pasted url and call function clear1 to clear the pasted url from the textbox urlSource -->
<!-- iframe width and height can be adjusted by setting width and height values in pixel -->
<p>
<iframe id="urlDisplay" src="https://google.de" width="1024" height="768" onload="clear1()"></iframe>
</p>
</body>
</html>