1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
/*
* jQuery UI Tooltip @VERSION
*
* Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI/Tooltip
*
* Depends:
* jquery.ui.core.js
* jquery.ui.widget.js
* jquery.ui.position.js
*/
(function($) {
// role=application on body required for screenreaders to correctly interpret aria attributes
if( !$(document.body).is('[role]') ){
$(document.body).attr('role','application');
}
var increments = 0;
$.widget("ui.tooltip", {
options: {
tooltipClass: "ui-widget-content",
content: function() {
return $(this).attr("title");
},
position: {
my: "left center",
at: "right center",
offset: "15 0"
}
},
_init: 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")
.addClass(this.options.tooltipClass)
.appendTo(document.body)
.hide();
this.tooltipContent = $("<div></div>")
.addClass("ui-tooltip-content")
.appendTo(this.tooltip);
this.opacity = this.tooltip.css("opacity");
this.element
.bind("focus.tooltip mouseenter.tooltip", function(event) {
self.show($(event.target));
})
.bind("blur.tooltip mouseleave.tooltip", function(event) {
self.close();
});
},
enable: function() {
this.options.disabled = false;
},
disable: function() {
this.options.disabled = true;
},
destroy: function() {
this.tooltip.remove();
$.Widget.prototype.destroy.apply(this, arguments);
},
widget: function() {
return this.tooltip;
},
show: function(target) {
// already visible? possible when both focus and mouseover events occur
if (this.current && this.current[0] == target[0])
return;
var self = this;
this.current = target;
this.currentTitle = target.attr("title");
var content = this.options.content.call(target[0], function(response) {
// ignore async responses that come in after the tooltip is already hidden
if (self.current == target)
self.open(target, response);
});
if (content) {
self.open(target, content);
}
},
open: function(target, content) {
if (!content)
return;
target.attr("title", "");
if (this.options.disabled)
return;
this.tooltipContent.html(content);
this.tooltip.css({
top: 0,
left: 0
}).position($.extend(this.options.position, {
of: target
}));
this.tooltip.attr("aria-hidden", "false");
target.attr("aria-describedby", this.tooltip.attr("id"));
if (this.tooltip.is(":animated"))
this.tooltip.stop().show().fadeTo("normal", this.opacity);
else
this.tooltip.is(':visible') ? this.tooltip.fadeTo("normal", this.opacity) : this.tooltip.fadeIn();
this._trigger("show", null, { target: target });
},
close: function() {
if (!this.current)
return;
var current = this.current.attr("title", this.currentTitle);
this.current = null;
if (this.options.disabled)
return;
current.removeAttr("aria-describedby");
this.tooltip.attr("aria-hidden", "true");
if (this.tooltip.is(':animated'))
this.tooltip.stop().fadeTo("normal", 0);
else
this.tooltip.stop().fadeOut();
}
});
})(jQuery);
|
