/**
* touchHover.js
*
* Create tooltips on mouseover or on click (for supporting touch interfaces).
*
* @author C. Scott Asbach
*/
$(document).ready(function() {
/**
* store the value of and then remove the title attributes from the
* abbreviations (thus removing the default tooltip functionality of
* the abbreviations)
*/
$('abbr').each(function(){
$(this).data('title',$(this).attr('title'));
$(this).removeAttr('title');
});
/**
* when abbreviations are mouseover-ed show a tooltip with the data from the title attribute
*/
$('abbr').mouseover(function() {
// first remove all existing abbreviation tooltips
$('abbr').next('.tooltip').remove();
// create the tooltip
$(this).after('<span class="tooltip">' + $(this).data('title') + '</span>');
// position the tooltip 4 pixels above and 4 pixels to the left of the abbreviation
var left = $(this).position().left + $(this).width() + 4;
var top = $(this).position().top - 4;
$(this).next().css('left',left);
$(this).next().css('top',top);
});
/**
* when abbreviations are clicked trigger their mouseover event then fade the tooltip
* (this is friendly to touch interfaces)
*/
$('abbr').click(function(){
$(this).mouseover();
// after a slight 2 second fade, fade out the tooltip for 1 second
$(this).next().animate({opacity: 0.9},{duration: 2000, complete: function(){
$(this).fadeOut(1000);
}});
});
/**
* Remove the tooltip on abbreviation mouseout
*/
$('abbr').mouseout(function(){
$(this).next('.tooltip').remove();
});
});
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