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Updated version to allow for them to work in table cells #3

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Updated version to allow for them to work in table cells #3

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191aba3
Updated to support placing the img tags within table cells
scottadamsmith Jun 7, 2012
3f09c02
Added new option called Magnify that will magnify the image based on …
scottadamsmith Jun 8, 2012
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50 changes: 40 additions & 10 deletions jquery.hoverpulse.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,20 +21,33 @@ $.fn.hoverpulse = function(options) {
}

var opts = $.extend({}, $.fn.hoverpulse.defaults, options);
var magnifying = opts.magnify > 1;

/* if using the original size options rather than the magnify option, setup size_y */
if(!magnifying){
// if not modified size_y is same as size
opts.size_y = opts.size_y || opts.size;
}

var parent = this.parent();

// if not modified size_y is same as size
opts.size_y = opts.size_y || opts.size;
// parent must be relatively positioned
this.parent().css({ position: 'relative' });
parent.css({ position: 'relative' });

// pulsing element must be absolutely positioned
this.css({ position: 'absolute', top: 0, left: 0 });

this.each(function() {
var $this = $(this);
var w = $this.width(), h = $this.height();
$this.data('hoverpulse.size', { w: parseInt(w), h: parseInt(h) });
var mw = w*opts.magnify, mh = h*opts.magnify;
$this.data('hoverpulse.size', { w: parseInt(w), h: parseInt(h), mw: parseInt(mw), mh: parseInt(mh) });
});

if(parent.is('td')){
this.wrap("<div style='position: relative; height: "+parent.innerHeight()+"px;'></div>");
}

// bind hover event for behavior
return this.hover(
// hover over
Expand All @@ -43,12 +56,28 @@ $.fn.hoverpulse = function(options) {
$this.parent().css('z-index', opts.zIndexActive);

var size = $this.data('hoverpulse.size');
var w = size.w, h = size.h;
var mw = size.mw, mh = size.mh, w = size.w, h = size.h;

/* if using the original size options rather than the magnify option, setup size_y */
if(!magnifying){
var newHeight = h+2*opts.size_y;
var newWidth = w+2*opts.size;
var leftPos = opts.size;
var topPos = opts.size_y;
}
/* if using the new magnify option */
else{
var newHeight = mh;
var newWidth = mw;
var leftPos = (mw-w) / 2;
var topPos = (mh-h) / 2;
}

$this.stop().animate({
top: ('-'+opts.size_y+'px'),
left: ('-'+opts.size+'px'),
height: (h+2*opts.size_y)+'px',
width: (w+2*opts.size)+'px'
top: ('-'+topPos+'px'),
left: ('-'+leftPos+'px'),
height: newHeight+'px',
width: newWidth+'px'
}, opts.speed, opts.over);
},
// hover out
Expand All @@ -71,6 +100,7 @@ $.fn.hoverpulse = function(options) {
};

$.fn.hoverpulse.defaults = {
magnify: 1,
size: 20,
size_y: 0,
speed: 200,
Expand All @@ -80,4 +110,4 @@ $.fn.hoverpulse.defaults = {
out: $.noop || function() {}
};

})(jQuery);
})(jQuery);