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/*
* jQuery UI Tooltip @VERSION
*
* Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
* http://docs.jquery.com/UI/Tooltip
*
* Depends:
* jquery.ui.core.js
* jquery.ui.widget.js
* jquery.ui.position.js
*/
(function($) {
var increments = 0;
$.widget("ui.tooltip", {
options: {
items: "[title]",
content: function() {
return $(this).attr("title");
},
position: {
my: "left center",
at: "right center",
offset: "15 0"
}
},
_create: function() {
var self = this;
this.tooltip = $("<div></div>")
.attr("id", "ui-tooltip-" + increments++)
.attr("role", "tooltip")
.attr("aria-hidden", "true")
.addClass("ui-tooltip ui-widget ui-corner-all ui-widget-content")
.appendTo(document.body)
.hide();
this.tooltipContent = $("<div></div>")
.addClass("ui-tooltip-content")
.appendTo(this.tooltip);
this.opacity = this.tooltip.css("opacity");
this.element
.bind("focus.tooltip mouseover.tooltip", function(event) {
self.open( event );
})
.bind("blur.tooltip mouseout.tooltip", function(event) {
self.close( event );
});
},
enable: function() {
this.options.disabled = false;
},
disable: function() {
this.options.disabled = true;
},
destroy: function() {
this.tooltip.remove();
$.Widget.prototype.destroy.apply(this, arguments);
},
widget: function() {
return this.element.pushStack(this.tooltip.get());
},
open: function(event) {
var target = $(event && event.target || this.element).closest(this.options.items);
// already visible? possible when both focus and mouseover events occur
if (this.current && this.current[0] == target[0])
return;
var self = this;
this.current = target;
this.currentTitle = target.attr("title");
var content = this.options.content.call(target[0], function(response) {
// IE may instantly serve a cached response, need to give it a chance to finish with _show before that
setTimeout(function() {
// ignore async responses that come in after the tooltip is already hidden
if (self.current == target)
self._show(event, target, response);
}, 13);
});
if (content) {
self._show(event, target, content);
}
},
_show: function(event, target, content) {
if (!content)
return;
target.attr("title", "");
if (this.options.disabled)
return;
this.tooltipContent.html(content);
this.tooltip.css({
top: 0,
left: 0
}).show().position( $.extend({
of: target
}, this.options.position )).hide();
this.tooltip.attr("aria-hidden", "false");
target.attr("aria-describedby", this.tooltip.attr("id"));
this.tooltip.stop(false, true).fadeIn();
this._trigger( "open", event );
},
close: function(event) {
if (!this.current)
return;
var current = this.current;
this.current = null;
current.attr("title", this.currentTitle);
if (this.options.disabled)
return;
current.removeAttr("aria-describedby");
this.tooltip.attr("aria-hidden", "true");
this.tooltip.stop(false, true).fadeOut();
this._trigger( "close", event );
}
});
})(jQuery);
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