forked from briancray/tooltipsy
/
tooltipsy.source.js
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/
tooltipsy.source.js
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/* tooltipsy by Brian Cray
* Lincensed under GPL2 - http://www.gnu.org/licenses/gpl-2.0.html
* Option quick reference:
* - alignTo: "element" or "cursor" (Defaults to "element")
* - offset: Tooltipsy distance from element or mouse cursor, dependent on alignTo setting. Set as array [x, y] (Defaults to [0, -1])
* - content: HTML or text content of tooltip. Defaults to "" (empty string), which pulls content from target element's title attribute
* - show: function(event, tooltip) to show the tooltip. Defaults to a show(100) effect
* - hide: function(event, tooltip) to hide the tooltip. Defaults to a fadeOut(100) effect
* - delay: A delay in milliseconds before showing a tooltip. Set to 0 for no delay. Defaults to 200
* - css: object containing CSS properties and values. Defaults to {} to use stylesheet for styles
* - className: DOM class for styling tooltips with CSS. Defaults to "tooltipsy"
* - showEvent: Set a custom event to bind the show function. Defaults to mouseenter
* - hideEvent: Set a custom event to bind the show function. Defaults to mouseleave
* Method quick reference:
* - $('element').data('tooltipsy').show(): Force the tooltip to show
* - $('element').data('tooltipsy').hide(): Force the tooltip to hide
* - $('element').data('tooltipsy').destroy(): Remove tooltip from DOM
* More information visit http://tooltipsy.com/
*/
(function($){
$.tooltipsy = function (el, options) {
this.options = options;
this.$el = $(el);
this.title = this.$el.attr('title') || '';
this.$el.attr('title', '');
this.random = parseInt(Math.random()*10000);
this.ready = false;
this.shown = false;
this.width = 0;
this.height = 0;
this.delaytimer = null;
this.$el.data("tooltipsy", this);
this.init();
};
$.tooltipsy.prototype.init = function () {
var base = this;
base.settings = $.extend({}, base.defaults, base.options);
base.settings.delay = parseInt(base.settings.delay);
if (typeof base.settings.content === 'function') {
base.readify();
}
if (base.settings.showEvent === base.settings.hideEvent && base.settings.showEvent === 'click') {
base.$el.toggle(function (e) {
if (base.settings.showEvent === 'click' && base.$el[0].tagName == 'A') {
e.preventDefault();
}
if (base.settings.delay > 0) {
base.delaytimer = window.setTimeout(function () {
base.show(e);
}, base.settings.delay);
}
else {
base.show(e);
}
}, function (e) {
if (base.settings.showEvent === 'click' && base.$el[0].tagName == 'A') {
e.preventDefault();
}
window.clearTimeout(base.delaytimer);
base.delaytimer = null;
base.hide(e);
});
}
else {
base.$el.bind(base.settings.showEvent, function (e) {
if (base.settings.showEvent === 'click' && base.$el[0].tagName == 'A') {
e.preventDefault();
}
if (base.settings.delay > 0) {
base.delaytimer = window.setTimeout(function () {
base.show(e);
}, base.settings.delay);
}
else {
base.show(e);
}
}).bind(base.settings.hideEvent, function (e) {
if (base.settings.showEvent === 'click' && base.$el[0].tagName == 'A') {
e.preventDefault();
}
window.clearTimeout(base.delaytimer);
base.delaytimer = null;
base.hide(e);
});
}
};
$.tooltipsy.prototype.show = function (e) {
var base = this;
if (base.ready === false) {
base.readify();
}
if (base.shown === false) {
if ((function (o) {
var s = 0, k;
for (k in o) {
if (o.hasOwnProperty(k)) {
s++;
}
}
return s;
})(base.settings.css) > 0) {
base.$tip.css(base.settings.css);
}
base.width = base.$tipsy.outerWidth();
base.height = base.$tipsy.outerHeight();
}
if (base.settings.alignTo === 'cursor' && e) {
var tip_position = [e.pageX + base.settings.offset[0], e.pageY + base.settings.offset[1]];
if(tip_position[0] + base.width > $(window).width()) {
var tip_css = {top: tip_position[1] + 'px', right: tip_position[0] + 'px', left: 'auto'};
}
else {
var tip_css = {top: tip_position[1] + 'px', left: tip_position[0] + 'px', right: 'auto'};
}
}
else {
var tip_position = [
(function (pos) {
if (base.settings.offset[0] < 0) {
return pos.left - Math.abs(base.settings.offset[0]) - base.width;
}
else if (base.settings.offset[0] === 0) {
return pos.left - ((base.width - base.$el.outerWidth()) / 2);
}
else {
return pos.left + base.$el.outerWidth() + base.settings.offset[0];
}
})(base.offset(base.$el[0])),
(function (pos) {
if (base.settings.offset[1] < 0) {
return pos.top - Math.abs(base.settings.offset[1]) - base.height;
}
else if (base.settings.offset[1] === 0) {
return pos.top - ((base.height - base.$el.outerHeight()) / 2);
}
else {
return pos.top + base.$el.outerHeight() + base.settings.offset[1];
}
})(base.offset(base.$el[0]))
];
}
base.$tipsy.css({top: tip_position[1] + 'px', left: tip_position[0] + 'px'});
base.settings.show(e, base.$tipsy.stop(true, true));
};
$.tooltipsy.prototype.hide = function (e) {
var base = this;
if (base.ready === false) {
return;
}
if (e && e.relatedTarget === base.$tip[0]) {
base.$tip.bind('mouseleave', function (e) {
if (e.relatedTarget === base.$el[0]) {
return;
}
base.settings.hide(e, base.$tipsy.stop(true, true));
});
return;
}
base.settings.hide(e, base.$tipsy.stop(true, true));
};
$.tooltipsy.prototype.readify = function () {
this.ready = true;
this.$tipsy = $('<div id="tooltipsy' + this.random + '" style="position:absolute;z-index:2147483647;display:none">').appendTo('body');
this.$tip = $('<div class="' + this.settings.className + '">').appendTo(this.$tipsy);
this.$tip.data('rootel', this.$el);
var e = this.$el;
var t = this.$tip;
this.$tip.html(this.settings.content != '' ? (typeof this.settings.content == 'string' ? this.settings.content : this.settings.content(e, t)) : this.title);
};
$.tooltipsy.prototype.offset = function (el) {
var ol = ot = 0;
if (el.offsetParent) {
do {
if (el.tagName != 'BODY') {
ol += el.offsetLeft - el.scrollLeft;
ot += el.offsetTop - el.scrollTop;
}
} while (el = el.offsetParent);
}
return {left : ol, top : ot};
};
$.tooltipsy.prototype.destroy = function () {
this.$tipsy.remove();
$.removeData(this.$el, 'tooltipsy');
};
$.tooltipsy.prototype.defaults = {
alignTo: 'element',
offset: [0, -1],
content: '',
show: function (e, $el) {
$el.fadeIn(100);
},
hide: function (e, $el) {
$el.fadeOut(100);
},
css: {},
className: 'tooltipsy',
delay: 200,
showEvent: 'mouseenter',
hideEvent: 'mouseleave'
};
$.fn.tooltipsy = function(options) {
return this.each(function() {
new $.tooltipsy(this, options);
});
};
})(jQuery);