aboutsummaryrefslogtreecommitdiffstats
path: root/ui/jquery.ui.tooltip.js
blob: 9b4d52bd1821f8d224f1eef91660e018662fa5fe (plain)
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
/*
 * jQuery UI Tooltip @VERSION
 *
 * Copyright 2011, 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: function() {
		return this.element.pushStack(this.tooltip.get());
	},
	
	open: function(event) {
		var target = $(event && event.target || this.element).closest(this.options.items);
		if ( !target.length ) {
			return;
		}
		// 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 _open before that
			setTimeout(function() {
				// ignore async responses that come in after the tooltip is already hidden
				if (self.current == target)
					self._open(event, target, response);
			}, 13);
		});
		if (content) {
			self._open(event, target, content);
		}
	},
	
	_open: 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 );
	}
});

$.ui.tooltip.version = "@VERSION";

})(jQuery);