Solved

Javascript Timed Tabs

Posted on 2008-10-04
8
289 Views
Last Modified: 2013-11-19
I have a box with three tabs at top: when clicked each tab displays the latest posts from a blog (so there are three blogs total). It works fine, but in addition I would like each tab to cycle through every 8 seconds or so without the user clicking the tabs, to give each blog equal face time on the home page (the first blog, with the tab farthest left, is the one that opens by default on page load). Also, when the user clicks on one of the blogs, I want the timer to be deactivated so that the user just remains on the selected blog.
CURRENT JAVASCRIPT FOR THE TABS:
 
function TchangeOpinionsTab(Twhich,Ttab) {
	document.getElementById("Ttab-display").innerHTML = document.getElementById("Tpromo" + Twhich).innerHTML;
	if (Ttab != TopinionsTabOpen) {
		document.getElementById(Ttab).className = "feature-tab-open";
		document.getElementById(TopinionsTabOpen).className = " ";
		TopinionsTabOpen = Ttab;	
	}
}
 
THE HTML (ignore the PHP calls and commands): 
 
<script>
	  // Change the Ttab# to whichever tab should be the featured tab
	  var TopinionsTabOpen = "Ttab1";
	  </script> 
 
<div id="feature-tabs"> 
<ul class="tabs"> 
 
	<li id="Ttab1" class="feature-tab-open" style="border-left:#FFF;">
	<a href="javascript:TchangeOpinionsTab('1','Ttab1');" title="Talk">Life Eternal</a>
	</li> 
 
	<li id="Ttab2">
	<a href="javascript:TchangeOpinionsTab('2','Ttab2');" title="On Faith">The Digital World</a>
	</li>
 
 	<li id="Ttab3">
	<a href="javascript:TchangeOpinionsTab('3','Ttab3');" title="PostGlobal">Music</a>
	</li> 
 
</ul> 
 
<div class="clearboth"></div> 
 
<div id="Ttab-display">  
 
<div class="clearboth"></div> 
 
<div class="tab-box-bg"> 
 
<div class="tab-box-pad"> 
 
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"> 
 
<div class="inner-top"> 
<div id="JesusChrist"><a href="http://www.berrettfamily.org/index.php?scustom=ThisisLifeEternal"><img style="margin-left:5px; margin-bottom:5px" src="http://www.berrettfamily.org/skins/v1/test/JesusChrist.jpg"></a></div>
<%ItemListEX(9,,,,LifeEternal)%>
 
<div class="clearboth"></div> </div> 
 
<div class="clearboth"></div> 
 
 
 
</div> </div>
 
<div class="clearbothplus"></div>
 
 </div> 
 
<div id="Tpromo1">
 
<div class="clearboth"></div> 
<div class="tab-box-bg"> 
<div class="tab-box-pad"> 
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"> 
<div class="inner-top"> 
<div id="JesusChrist"><a href="http://www.berrettfamily.org/index.php?scustom=ThisisLifeEternal"><img style="margin-left:5px; margin-bottom:5px" src="http://www.berrettfamily.org/skins/v1/test/JesusChrist.jpg"></a></div>
<%ItemListEX(9,,,,LifeEternal)%>
<div class="clearboth"></div> </div> 
<div class="clearboth"></div> 
</div> </div> 
<div class="clearbothplus"></div> </div> 
 
<div id="Tpromo2"> 
<div class="clearboth"></div> 
<div class="tab-box-bg"> 
<div class="tab-box-pad"> 
<div class="inner-top"> 
<img style="margin-left:12px; border: solid 0px #C7C7C7;" src="http://www.berrettfamily.org/skins/v1/test/The-Digital-World.jpg">
<%otherblog(tech,v1/headlines,9)%>
<div class="clearboth"></div> </div> 
<div class="clearboth"></div> 
</div> </div> 
<div class="clearbothplus"></div> </div> 
 
<div id="Tpromo3"> 
<div class="clearboth"></div> 
<div class="tab-box-bg"> 
<div class="tab-box-pad"> 
<div class="inner-top"> 
<img style="margin-left:7px; border: solid 0px #C7C7C7;margin-bottom:5px;" src="http://www.berrettfamily.org/skins/v1/test/Music-Blog.jpg">
<%otherblog(musicblog,v1/headlines,9)%>
<div class="clearboth"></div> </div> 
<div class="clearboth"></div> 
</div> </div> 
 
<div class="clearbothplus"></div> </div> 
 
 
</div> <div class="clearboth"></div> 
 
AND THE CSS:
 
/****************************************************************************************
Blog Box
****************************************************************************************/
 
ul {margin:0; padding:0; list-style-type:none;}
 
ul li {display:inline-block; padding:0 0 0 0px; line-height:1.4;}
 
.clearboth {clear:both;}
 
.clearbothplus {clear:both; height:1px; overflow:hidden; margin-top:-1px;}
 
/* BEGIN OPINIONS TABS */
 
#hp #feature-tabs {float:left; width:296px; border: solid 1px #9E9C9C; background:#FFF; margin-left:16px; margin-top:10px; margin-bottom:50px;}
 
#hp #feature-tabs ul.tabs {float:left; width:100%; margin:0; padding:0; font:bold 11px Arial; color:#333;}
 
#hp #feature-tabs ul.tabs {margin:0; padding:0; list-style:none;}
 
#hp #feature-tabs ul.tabs li 
{
background:#D8D7D7;
border-left: 1px solid #999; 
border-top: 0px solid #999; 
border-right: 0px solid #999; 
border-bottom: 1px solid #999; 
float:left; margin:0; padding:2px 4.5px 2px 4px; margin-right:0px; font:bold 13px Arial, Helvetica, sans-serif;}
 
 
#hp #feature-tabs ul.tabs a {color: #014377; outline:none; float:left; display:block; ; padding:6px 8px 5px 8px; text-decoration:none;}
 
#hp #feature-tabs ul.tabs .feature-tab-open {border-bottom:0px solid #999;background:#FFF;}
 
#hp #feature-tabs ul.tabs .feature-tab-open a {padding-bottom:6px; color:#014377;}
 
#hp #promo1 {display:none; visibility:hidden;}
 
#hp #promo2 {display:none; visibility:hidden;}
 
#hp #container {width:970px; margin:0 0 0 10px; padding:10px 0;}
 
#hp #Tpromo1 {display:none; visibility:hidden;}
 
#hp #Tpromo2 {display:none; visibility:hidden;}
 
#hp #Tpromo3 {display:none; visibility:hidden;}
 
#hp #feature-tabs #tab-display {position:relative;}
 
#hp #feature-tabs #Ttab-display {position:relative;}
 
 
#hp #feature-tabs .tab-box-pad {padding:14px 9px 0 9px;}
 
#hp #feature-tabs .inner-top {float:left; width:290px; padding-bottom:3px;}
 
#hp #feature-tabs .inner-top .lft {float:left; width:182px; margin-right:8px;}
 
#hp #feature-tabs .inner-top .rt {float:left; width:80px; padding-top:4px;}

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Question by:dainberrett
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8 Comments
 
LVL 82

Expert Comment

by:hielo
ID: 22643526
try:
<script>
//CURRENT JAVASCRIPT FOR THE TABS:
 
function TchangeOpinionsTab(Twhich,Ttab) {
	document.getElementById("Ttab-display").innerHTML = document.getElementById("Tpromo" + Twhich).innerHTML;
	if (Ttab != TopinionsTabOpen) {
		document.getElementById(Ttab).className = "feature-tab-open";
		document.getElementById(TopinionsTabOpen).className = " ";
		TopinionsTabOpen = Ttab;	
	}
}
 
//THE HTML (ignore the PHP calls and commands): 
 
	  // Change the Ttab# to whichever tab should be the featured tab
	  var TopinionsTabOpen = "Ttab1";
	  
 
var last=-1;
var tabCount=3;
 
window.onload=init;
function init(){
	last = (last + 1) % tabCount;
	TchangeOpinionsTab( (last+1), 'Ttab'+(last+1) )
	setTimeout(init,8000);
}
</script>

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Author Comment

by:dainberrett
ID: 22645281
Wow, hielo, you are indeed a genius. Thank you so much for your help! That worked perfect!!

At the risk of being extremely obnoxious, I thought of something else. Would it be possible to have the tab change be a fade? I have no idea if there is a ready Javascript command for that, or if it involves a ton of other stuff. Either way, it doesn't really matter. What you gave me works great. But is there a simply way to do that?
0
 
LVL 82

Expert Comment

by:hielo
ID: 22645416
>> I have no idea if there is a ready Javascript command for that
No, you would need to make that effect your self. There are javascript libraries (jQuery, scriptaculous,etc.) that provide such effect, but you will need to get familiar with them to put them to good use.
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Author Comment

by:dainberrett
ID: 22645496
Awesome, Hielo, I was just curious. Thanks again for the help!
0
 

Author Comment

by:dainberrett
ID: 22645551
Hielo...one last question on something I just noticed on this...

It works great, cycling through each tab. The only thing is that when I actually click on one of the tabs, it still keeps cycling through. Would it be possible to make it so that once clicked, the rotation is deactivated so the user can browse the chosen tab contents as long as they like?
0
 
LVL 82

Accepted Solution

by:
hielo earned 500 total points
ID: 22645882
try this:
<script>
//CURRENT JAVASCRIPT FOR THE TABS:
 
function TchangeOpinionsTab(Twhich,Ttab) {
	document.getElementById("Ttab-display").innerHTML = document.getElementById("Tpromo" + Twhich).innerHTML;
	if (Ttab != TopinionsTabOpen) {
		document.getElementById(Ttab).className = "feature-tab-open";
		document.getElementById(TopinionsTabOpen).className = " ";
		TopinionsTabOpen = Ttab;	
	}
}
 
//THE HTML (ignore the PHP calls and commands): 
 
 
	  // Change the Ttab# to whichever tab should be the featured tab
	  var TopinionsTabOpen = "Ttab1";
 
var last=-1;
var tabCount=3;
 
var timer=null;
window.onload=init;
function init(){
	last = (last + 1) % tabCount;
	TchangeOpinionsTab( (last+1), 'Ttab'+(last+1) )
	timer = setTimeout(init,8000);
}
 
function resetTimer(){
	clearTimeout(timer);
timer=null;
}
	  </script> 
 
 
AND update your tabs with this:
<ul class="tabs"> 
 
	<li id="Ttab1" class="feature-tab-open" style="border-left:#FFF;">
	<a href="javascript:resetTimer();TchangeOpinionsTab('1','Ttab1');" title="Talk">Life Eternal</a>
	</li> 
 
	<li id="Ttab2">
	<a href="javascript:resetTimer();TchangeOpinionsTab('2','Ttab2');" title="On Faith">The Digital World</a>
	</li>
 
 	<li id="Ttab3">
	<a href="javascript:resetTimer();TchangeOpinionsTab('3','Ttab3');" title="PostGlobal">Music</a>
	</li> 
 
</ul> 

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Author Closing Comment

by:dainberrett
ID: 31503049
Wow again, thanks Hielo. You are awesome, it works perfectly. I really appreciate the help! Best wishes!
0
 
LVL 82

Expert Comment

by:hielo
ID: 22646732
you are welcome. Take care.
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