January 20, 2014

Weebly Tricks #20 - Add an Auto Text and Image Scroller in Weebly.

Posted by Domingo Tambasacan at 1/20/2014

Text and image scroller in Weebly
Going back to our Weebly tricks, we will talk today about news website. So what are some useful effects we can use to a website focusing on news? I've got one here which they call "pausing up-down message scroller". The script came from my favorite source dynamicdrive.com. 

Ok so what does this thing do? Simply it can display 3 sentences ascending after one another. Images can be used too! Please check the demo for a clearer view. You can put here your personal ads and different headlines.







1. Ok so the original script has only two types of content, a short phrase and a long one that has a title. I inserted an option for image too in case you like it. Now, go to <head>, again, please read my article on how to edit the <head>. Once you found, just paste below it the following code:

<style type="text/css">

/*Example CSS for the two demo scrollers*/

#pscroller1{
width: 200px;
height: 100px;
border: 1px solid black;
padding: 5px;
background-color: lightyellow;
}

#pscroller2{
width: 350px;
height: 20px;
border: 1px solid black;
padding: 3px;
}

#pscroller2 a{
text-decoration: none;
}

#pscroller3{
width: 200px;
height: 200px;
border: 1px solid black;
padding: 3px;
}

.someclass{ //class to apply to your scroller(s) if desired
}

</style>

<script type="text/javascript">

/*Example message arrays for the two demo scrollers*/

var pausecontent=new Array()
pausecontent[0]='<a href="http://www.javascriptkit.com">JavaScript Kit</a><br />Comprehensive JavaScript tutorials and over 400+ free scripts!'
pausecontent[1]='<a href="http://www.codingforums.com">Coding Forums</a><br />Web coding and development forums.'
pausecontent[2]='<a href="http://www.cssdrive.com" target="_new">CSS Drive</a><br />Categorized CSS gallery and examples.'

var pausecontent2=new Array()
pausecontent2[0]='<a href="http://www.news.com">News.com: Technology and business reports</a>'
pausecontent2[1]='<a href="http://www.cnn.com">CNN: Headline and breaking news 24/7</a>'
pausecontent2[2]='<a href="http://news.bbc.co.uk">BBC News: UK and international news</a>'

var pausecontent3=new Array()
pausecontent3[0]='<img src="http://theweeblytricks.weebly.com/files/theme/1.png">'
pausecontent3[1]='<img src="http://theweeblytricks.weebly.com/files/theme/2.png">'
pausecontent3[2]='<img src="http://theweeblytricks.weebly.com/files/theme/3.png">'

</script>

<script type="text/javascript">

/***********************************************
* Pausing up-down scroller- © Dynamic Drive (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for this script and 100s more.
***********************************************/

function pausescroller(content, divId, divClass, delay){
this.content=content //message array content
this.tickerid=divId //ID of ticker div to display information
this.delay=delay //Delay between msg change, in miliseconds.
this.mouseoverBol=0 //Boolean to indicate whether mouse is currently over scroller (and pause it if it is)
this.hiddendivpointer=1 //index of message array for hidden div
document.write('<div id="'+divId+'" class="'+divClass+'" style="position: relative; overflow: hidden"><div class="innerDiv" style="position: absolute; width: 100%" id="'+divId+'1">'+content[0]+'</div><div class="innerDiv" style="position: absolute; width: 100%; visibility: hidden" id="'+divId+'2">'+content[1]+'</div></div>')
var scrollerinstance=this
if (window.addEventListener) //run onload in DOM2 browsers
window.addEventListener("load", function(){scrollerinstance.initialize()}, false)
else if (window.attachEvent) //run onload in IE5.5+
window.attachEvent("onload", function(){scrollerinstance.initialize()})
else if (document.getElementById) //if legacy DOM browsers, just start scroller after 0.5 sec
setTimeout(function(){scrollerinstance.initialize()}, 500)
}

// -------------------------------------------------------------------
// initialize()- Initialize scroller method.
// -Get div objects, set initial positions, start up down animation
// -------------------------------------------------------------------

pausescroller.prototype.initialize=function(){
this.tickerdiv=document.getElementById(this.tickerid)
this.visiblediv=document.getElementById(this.tickerid+"1")
this.hiddendiv=document.getElementById(this.tickerid+"2")
this.visibledivtop=parseInt(pausescroller.getCSSpadding(this.tickerdiv))
//set width of inner DIVs to outer DIV's width minus padding (padding assumed to be top padding x 2)
this.visiblediv.style.width=this.hiddendiv.style.width=this.tickerdiv.offsetWidth-(this.visibledivtop*2)+"px"
this.getinline(this.visiblediv, this.hiddendiv)
this.hiddendiv.style.visibility="visible"
var scrollerinstance=this
document.getElementById(this.tickerid).onmouseover=function(){scrollerinstance.mouseoverBol=1}
document.getElementById(this.tickerid).onmouseout=function(){scrollerinstance.mouseoverBol=0}
if (window.attachEvent) //Clean up loose references in IE
window.attachEvent("onunload", function(){scrollerinstance.tickerdiv.onmouseover=scrollerinstance.tickerdiv.onmouseout=null})
setTimeout(function(){scrollerinstance.animateup()}, this.delay)
}


// -------------------------------------------------------------------
// animateup()- Move the two inner divs of the scroller up and in sync
// -------------------------------------------------------------------

pausescroller.prototype.animateup=function(){
var scrollerinstance=this
if (parseInt(this.hiddendiv.style.top)>(this.visibledivtop+5)){
this.visiblediv.style.top=parseInt(this.visiblediv.style.top)-5+"px"
this.hiddendiv.style.top=parseInt(this.hiddendiv.style.top)-5+"px"
setTimeout(function(){scrollerinstance.animateup()}, 50)
}
else{
this.getinline(this.hiddendiv, this.visiblediv)
this.swapdivs()
setTimeout(function(){scrollerinstance.setmessage()}, this.delay)
}
}

// -------------------------------------------------------------------
// swapdivs()- Swap between which is the visible and which is the hidden div
// -------------------------------------------------------------------

pausescroller.prototype.swapdivs=function(){
var tempcontainer=this.visiblediv
this.visiblediv=this.hiddendiv
this.hiddendiv=tempcontainer
}

pausescroller.prototype.getinline=function(div1, div2){
div1.style.top=this.visibledivtop+"px"
div2.style.top=Math.max(div1.parentNode.offsetHeight, div1.offsetHeight)+"px"
}

// -------------------------------------------------------------------
// setmessage()- Populate the hidden div with the next message before it's visible
// -------------------------------------------------------------------

pausescroller.prototype.setmessage=function(){
var scrollerinstance=this
if (this.mouseoverBol==1) //if mouse is currently over scoller, do nothing (pause it)
setTimeout(function(){scrollerinstance.setmessage()}, 100)
else{
var i=this.hiddendivpointer
var ceiling=this.content.length
this.hiddendivpointer=(i+1>ceiling-1)? 0 : i+1
this.hiddendiv.innerHTML=this.content[this.hiddendivpointer]
this.animateup()
}
}

pausescroller.getCSSpadding=function(tickerobj){ //get CSS padding value, if any
if (tickerobj.currentStyle)
return tickerobj.currentStyle["paddingTop"]
else if (window.getComputedStyle) //if DOM2
return window.getComputedStyle(tickerobj, "").getPropertyValue("padding-top")
else
return 0
}

</script>

You can modify each box separated with tags #pscroller1,#pscroller2 and #pscroller3. The last one which is #pscroller3, thats the image part where in you make sure to follow the image dimension to fit in the box. For texts, you should also adjust their box sizes depending on how long your text will be.

The content of each box can be configured on lines starting with var pausecontent, var pausecontent2 and var pausecontent3 which corresponds to the modification of their boxes. They are numbered so you can identify which of them are partners. you can insert here your texts, links and images sources. After editing save it.

2. So assuming you're done, now you can  activate the effect on a page by simply dragging an "embed code" and paste the following:

<script type="text/javascript">

//new pausescroller(name_of_message_array, CSS_ID, CSS_classname, pause_in_miliseconds)

new pausescroller(pausecontent, "pscroller1", "someclass", 3000)
document.write("<br />")
new pausescroller(pausecontent2, "pscroller2", "someclass", 2000)
document.write("<br />")
new pausescroller(pausecontent3, "pscroller3", "someclass", 2000)
</script>

There are 4 elements required to show the real effect. Again they are numbered meaning they correspond to the number you input in your CSS in the <head>. The numerical represents the pausing of a sentence or image in milliseconds which is basically, the longer the text the longer the pausing. The code above gives you the 3 examples in the demo so if you need only 1 type just remove any of the short tags separated with the ("<br/>"). Remember pscroller1 for long paragraphs, pscroller2 for short sentences and pscroller3 for images.

3. Now publish your site to see the effects, you won't see it while editing. If you didn't come out with the same result I made, don't hesitate to ask questions.

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About Author:

Hi I am Domz. I love inserting new widgets and effects on Weebly Template. I like helping people and I like them more being my subscriber. Follow me @ Twitter | Facebook



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