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| Current File : /home1/savoy/public_html/savoyglobal.net/futuredraft/assets/js/mylibs/jquery.tipsy.js |
// tipsy, facebook style tooltips for jquery
// version 1.0.0a
// (c) 2008-2010 jason frame [jason@onehackoranother.com]
// released under the MIT license
(function($) {
function maybeCall(thing, ctx) {
return ( typeof thing == 'function') ? (thing.call(ctx)) : thing;
};
function Tipsy(element, options) {
this.$element = $(element);
this.options = options;
this.enabled = true;
this.fixTitle();
};
Tipsy.prototype = {
show : function() {
var title = this.getTitle();
if(title && this.enabled) {
var $tip = this.tip();
$tip.find('.tipsy-inner')[this.options.html ? 'html' : 'text'](title);
$tip[0].className = 'tipsy';
// reset classname in case of dynamic gravity
$tip.remove().css({top: 0, left: 0, visibility: 'hidden', display: 'block'}).prependTo(document.body);
var pos = $.extend({}, this.$element.offset(), {
width : this.$element[0].offsetWidth,
height : this.$element[0].offsetHeight
});
var actualWidth = $tip[0].offsetWidth, actualHeight = $tip[0].offsetHeight, gravity = maybeCall(this.options.gravity, this.$element[0]);
var tp;
var mp;
switch (gravity.charAt(0)) {
case 'n':
tp = {
top : pos.top + pos.height + this.options.offset,
left : pos.left + pos.width / 2 - actualWidth / 2
};
mp = {
top : 15,
left : -actualWidth / 2
};
break;
case 's':
tp = {
top : pos.top - actualHeight - this.options.offset,
left : pos.left + pos.width / 2 - actualWidth / 2
};
mp = {
top : -actualHeight - 15,
left : -actualWidth / 2
};
break;
case 'e':
tp = {
top : pos.top + pos.height / 2 - actualHeight / 2,
left : pos.left - actualWidth - this.options.offset
};
mp = {
top : -actualHeight / 2,
left : -12 - actualWidth
};
break;
case 'w':
tp = {
top : pos.top + pos.height / 2 - actualHeight / 2,
left : pos.left + pos.width + this.options.offset
};
mp = {
top : -actualHeight / 2,
left : 12
};
break
}
if(gravity.length == 2) {
if(gravity.charAt(1) == 'w') {
tp.left = pos.left + pos.width / 2 - 15;
} else {
tp.left = pos.left + pos.width / 2 - actualWidth + 15;
}
}
if(this.options.followMouse) {
$(document).bind('mousemove', function(e) {
var x = e.pageX + mp.left, y = e.pageY + mp.top;
$tip.css({
left : x,
top : y
})
})
}
$tip.css(tp).addClass('tipsy-' + gravity);
$tip.find('.tipsy-arrow')[0].className = 'tipsy-arrow tipsy-arrow-' + gravity.charAt(0);
if(this.options.className) {
$tip.addClass(maybeCall(this.options.className, this.$element[0]));
}
if(this.options.fade) {
$tip.stop().css({opacity: 0, display: 'block', visibility: 'visible'}).animate({
opacity : this.options.opacity
});
} else {
$tip.css({
visibility : 'visible',
opacity : this.options.opacity
});
}
}
},
hide : function() {
if(this.options.fade) {
this.tip().stop().fadeOut(function() { $(this).remove();
});
} else {
this.tip().remove();
}
},
fixTitle : function() {
var $e = this.$element;
if($e.attr('title') || typeof ($e.attr('original-title')) != 'string') {
$e.attr('original-title', $e.attr('title') || '').removeAttr('title');
}
},
getTitle : function() {
var title, $e = this.$element, o = this.options;
this.fixTitle();
var title, o = this.options;
if( typeof o.title == 'string') {
title = $e.attr(o.title == 'title' ? 'original-title' : o.title);
} else if( typeof o.title == 'function') {
title = o.title.call($e[0]);
}
title = ('' + title).replace(/(^\s*|\s*$)/, "");
return title || o.fallback;
},
setTitle : function(title) {
this.options.fallback = title
},
tip : function() {
if(!this.$tip) {
this.$tip = $('<div class="tipsy"></div>').html('<div class="tipsy-arrow"></div><div class="tipsy-inner"></div>');
}
return this.$tip;
},
validate : function() {
if(!this.$element[0].parentNode) {
this.hide();
this.$element = null;
this.options = null;
}
},
enable : function() {
this.enabled = true;
},
disable : function() {
this.enabled = false;
},
toggleEnabled : function() {
this.enabled = !this.enabled;
}
};
$.fn.tipsy = function(options) {
if(options === true) {
return this.data('tipsy');
} else if( typeof options == 'string') {
var tipsy = this.data('tipsy');
if(tipsy)
tipsy[options](arguments[1]);
return this;
}
options = $.extend({}, $.fn.tipsy.defaults, options);
function get(ele) {
var tipsy = $.data(ele, 'tipsy');
if(!tipsy) {
tipsy = new Tipsy(ele, $.fn.tipsy.elementOptions(ele, options));
$.data(ele, 'tipsy', tipsy);
}
return tipsy;
}
function enter() {
var tipsy = get(this);
tipsy.hoverState = 'in';
if(options.delayIn == 0) {
tipsy.show();
} else {
tipsy.fixTitle();
setTimeout(function() {
if(tipsy.hoverState == 'in')
tipsy.show();
}, options.delayIn);
}
};
function leave() {
var tipsy = get(this);
tipsy.hoverState = 'out';
if(options.delayOut == 0) {
tipsy.hide();
} else {
setTimeout(function() {
if(tipsy.hoverState == 'out')
tipsy.hide();
}, options.delayOut);
}
};
if(!options.live)
this.each(function() { get(this);
});
if(options.trigger != 'manual') {
var binder = options.live ? 'live' : 'bind', eventIn = options.trigger == 'hover' ? 'mouseenter' : 'focus', eventOut = options.trigger == 'hover' ? 'mouseleave' : 'blur';
this[binder](eventIn, enter)[binder](eventOut, leave);
}
return this;
};
$.fn.tipsy.defaults = {
className : null,
delayIn : 0,
delayOut : 0,
fade : false,
fallback : '',
gravity : 'n',
html : false,
live : false,
offset : 0,
opacity : 0.8,
title : 'title',
trigger : 'hover'
};
// Overwrite this method to provide options on a per-element basis.
// For example, you could store the gravity in a 'tipsy-gravity' attribute:
// return $.extend({}, options, {gravity: $(ele).attr('tipsy-gravity') || 'n' });
// (remember - do not modify 'options' in place!)
$.fn.tipsy.elementOptions = function(ele, options) {
return $.metadata ? $.extend({}, options, $(ele).metadata()) : options;
};
$.fn.tipsy.autoNS = function() {
return $(this).offset().top > ($(document).scrollTop() + $(window).height() / 2) ? 's' : 'n';
};
$.fn.tipsy.autoWE = function() {
return $(this).offset().left > ($(document).scrollLeft() + $(window).width() / 2) ? 'e' : 'w';
};
/**
* yields a closure of the supplied parameters, producing a function that takes
* no arguments and is suitable for use as an autogravity function like so:
*
* @param margin (int) - distance from the viewable region edge that an
* element should be before setting its tooltip's gravity to be away
* from that edge.
* @param prefer (string, e.g. 'n', 'sw', 'w') - the direction to prefer
* if there are no viewable region edges effecting the tooltip's
* gravity. It will try to vary from this minimally, for example,
* if 'sw' is preferred and an element is near the right viewable
* region edge, but not the top edge, it will set the gravity for
* that element's tooltip to be 'se', preserving the southern
* component.
*/
$.fn.tipsy.autoBounds = function(margin, prefer) {
return function() {
var dir = {
ns : prefer[0],
ew : (prefer.length > 1 ? prefer[1] : false)
}, boundTop = $(document).scrollTop() + margin, boundLeft = $(document).scrollLeft() + margin, $this = $(this);
if($this.offset().top < boundTop)
dir.ns = 'n';
if($this.offset().left < boundLeft)
dir.ew = 'w';
if($(window).width() + $(document).scrollLeft() - $this.offset().left < margin)
dir.ew = 'e';
if($(window).height() + $(document).scrollTop() - $this.offset().top < margin)
dir.ns = 's';
return dir.ns + (dir.ew ? dir.ew : '');
}
};
})(jQuery);