20xd6/WebClock
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Added the ability to change the timezone of the clock.

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Previously it was only posiable to use the browers default timezone.
To be done:
	Add more timezones to the list of possiable ones.
	Clean up the formating of the updating clock to match the php
		generated inishal date string.
This commit is contained in:
efrick 2020-04-09 13:56:48 -04:00
parent a53376f57e
commit c63c654ead
2 changed files with 80 additions and 29 deletions
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19
clock.js
View File

@ -1,4 +1,6 @@
/*Clock functionality. When the page is loaded it starts a one second
* long loop to update the time displayed on the page.
*/
window.onload = startInterval;
function startInterval(){
setInterval("startTime();",1000);
@ -6,9 +8,20 @@ function startInterval(){
function startTime(){
var current_time = new Date(),
our_tz = current_time.getTimezoneOffset,
formated_time = current_time.getHours() + ":"
+ current_time.getMinutes() + ":"
+ current_time.getSeconds();
document.getElementById('time_title').innerHTML = "Time is: " + formated_time;
document.getElementById('time_body').innerHTML = Date();
document.getElementById('time_title').innerHTML = "Time is: "
+ formated_time.toLocaleString(
{timeZone: current_tz},
{dateStyle: "full"},
{hour12: "false"})
+ " " + current_tz;
//document.getElementById('time_title').innerHTML = current_tz;
document.getElementById('time_body').innerHTML = current_time.toLocaleString(
{timeZone: current_tz},
{dateStyle:"long"},
{hour12: "false"});
document.getElementById('JStz').innerHTML = current_tz;
}

44
clock.php
View File

@ -1,14 +1,35 @@
<!DOCTYPE html>
<?php
/* Catches the form post to update the timezone.
* If there is no form submission it will just inishilize the
* timezone variables to be passed to the JS.
*/
if(isset($_POST['formSubmit'])){
$selectedTimezone = $_POST['userTimezone'];
if(!isset($selectedTimezone)){
//I don't have any error message set here. It will just reload the page.
} else{
date_default_timezone_set($selectedTimezone);
$scriptTZ = date_default_timezone_get();
}
} else{
$selectedTimezone = date_default_timezone_get();
//date_default_timezone_set("America/Los_Angeles");
$scriptTZ = date_default_timezone_get();
}
?>
<html>
<head>
<title id='time_title'>
<?php
echo "Time is: " . date("H:i:s");
echo "Time is: " . date("H:i:s e");
?>
</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<meta name="author" content="efrick"/>
<link href="/styles.css" type="text/css" rel="stylesheet"/>
<script>var current_tz=<?php echo json_encode($scriptTZ);?></script>
<script type="text/javascript" src="clock.js"></script>
</head>
<body>
@ -16,13 +37,30 @@
Date and Time
</h1>
<div class="body">
<?php
<?php //Print default time and date values for the JS to update.
echo "The full date and time:".
"<br>".
"<p id='time_body'>".
date("D M d Y H:i:s") .
" GMT" . date("O") . " (" . date("T") . ")"."</p>";
" GMT" . date("O") . " (" . date("T") . ")"."</p>\n\t\t";
echo '<p>The user timezone is now set to ' . $selectedTimezone . "</p>\n\t\t";
echo '<p>The system timezone is now set to ' . $scriptTZ . "</p>\n";
?>
<div class="tz_select">
<p>
If the detcted timezone is not correct selct your timezone from the dropdown below.
</p>
</div>
<form action="<?php echo htmlentities($_SERVER['PHP_SELF']); ?>" method="post">
<select name="userTimezone" class="tz_select">
<option value="" disabled selected class="invisable">Timezone</option>
<option value="EDT">EDT</option>
<option value="UTC">UTC</option>
<option value="America/Los_Angeles">PDT</option>
</select><br/>
<input type="submit" name="formSubmit" value="Update" >
</form>
<p id="JStz">JS Timezone</p>
</div>
</body>
</html>