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| Current File : /home1/savoy/www/savoyeducation.com/savoy-education/js/jquery.easy-ticker.js |
/*
* jQuery - Easy Ticker plugin - v2.0
* http://www.aakashweb.com/
* Copyright 2014, Aakash Chakravarthy
* Released under the MIT License.
*/
;(function ( $, window, document, undefined ) {
var name = "easyTicker",
defaults = {
direction: 'up',
easing: 'swing',
speed: 'slow',
interval: 2000,
height: 'auto',
visible: 0,
mousePause: 1,
controls: {
up: '',
down: '',
toggle: '',
playText: 'Play',
stopText: 'Stop'
}
};
// Constructor
function EasyTicker( el, options ) {
var s = this;
s.opts = $.extend( {}, defaults, options );
s.elem = $(el);
s.targ = $(el).children(':first-child');
s.timer = 0;
s.mHover = 0;
s.winFocus = 1;
init();
start();
$([window, document]).off('focus.jqet').on('focus.jqet', function(){
s.winFocus = 1;
}).off('blur.jqet').on('blur.jqet', function(){
s.winFocus = 0;
});
if( s.opts.mousePause == 1 ){
s.elem.mouseenter(function(){
s.timerTemp = s.timer;
stop();
}).mouseleave(function(){
if( s.timerTemp !== 0 )
start();
});
}
$(s.opts.controls.up).on('click', function(e){
e.preventDefault();
moveDir('up');
});
$(s.opts.controls.down).on('click', function(e){
e.preventDefault();
moveDir('down');
});
$(s.opts.controls.toggle).on('click', function(e){
e.preventDefault();
if( s.timer == 0 ) start();
else stop();
});
function init(){
s.elem.children().css('margin', 2).children().css('margin', 0);
s.elem.css({
position : 'relative',
height: s.opts.height,
overflow : 'hidden'
});
s.targ.css({
'position' : 'absolute',
'margin' : 0
});
setInterval( function(){
adjHeight();
}, 100);
} // Init Method
function start(){
s.timer = setInterval(function(){
if( s.winFocus == 1 ){
move( s.opts.direction );
}
}, s.opts.interval);
$(s.opts.controls.toggle).addClass('et-run').html(s.opts.controls.stopText);
} // Start method
function stop(){
clearInterval( s.timer );
s.timer = 0;
$(s.opts.controls.toggle).removeClass('et-run').html(s.opts.controls.playText);
}// Stop
function move( dir ){
var sel, eq, appType;
if( !s.elem.is(':visible') ) return;
if( dir == 'up' ){
sel = ':first-child';
eq = '-=';
appType = 'appendTo';
}else{
sel = ':last-child';
eq = '+=';
appType = 'prependTo';
}
var selChild = s.targ.children(sel);
var height = selChild.outerHeight();
s.targ.stop(true, true).animate({
'top': eq + height + "px"
}, s.opts.speed, s.opts.easing, function(){
selChild.hide()[appType]( s.targ ).fadeIn();
s.targ.css('top', 0);
adjHeight();
});
}// Move
function moveDir( dir ){
stop();
if( dir == 'up' ) move('up'); else move('down');
// start();
}
function fullHeight(){
var height = 0;
var tempDisp = s.elem.css('display'); // Get the current el display value
s.elem.css('display', 'block');
s.targ.children().each(function(){
height += $(this).outerHeight();
});
s.elem.css({
'display' : tempDisp,
'height' : height
});
}
function visHeight( anim ){
var wrapHeight = 0;
s.targ.children(':lt(' + s.opts.visible + ')').each(function(){
wrapHeight += $(this).outerHeight();
});
if( anim == 1 ){
s.elem.stop(true, true).animate({height: wrapHeight}, s.opts.speed);
}else{
s.elem.css( 'height', wrapHeight);
}
}
function adjHeight(){
if( s.opts.height == 'auto' && s.opts.visible != 0 ){
anim = arguments.callee.caller.name == 'init' ? 0 : 1;
visHeight( anim );
}else if( s.opts.height == 'auto' ){
fullHeight();
}
}
return {
up: function(){ moveDir('up'); },
down: function(){ moveDir('down'); },
start: start,
stop: stop,
options: s.opts
};
}
// Attach the object to the DOM
$.fn[name] = function ( options ) {
return this.each(function () {
if (!$.data(this, name)) {
$.data(this, name, new EasyTicker( this, options ));
}
});
};
})( jQuery, window, document );