| 1 |
efrain |
1 |
define(['jquery', 'core/aria'], function($, Aria) {
|
|
|
2 |
|
|
|
3 |
/**
|
|
|
4 |
* Tooltip class.
|
|
|
5 |
*
|
|
|
6 |
* @param {String} selector The css selector for the node(s) to enhance with tooltips.
|
|
|
7 |
*/
|
|
|
8 |
var Tooltip = function(selector) {
|
|
|
9 |
// Tooltip code matches: http://www.w3.org/WAI/PF/aria-practices/#tooltip
|
|
|
10 |
this._regionSelector = selector;
|
|
|
11 |
|
|
|
12 |
// For each node matching the selector - find an aria-describedby attribute pointing to an role="tooltip" element.
|
|
|
13 |
|
|
|
14 |
$(this._regionSelector).each(function(index, element) {
|
|
|
15 |
var tooltipId = $(element).attr('aria-describedby');
|
|
|
16 |
if (tooltipId) {
|
|
|
17 |
var tooltipele = document.getElementById(tooltipId);
|
|
|
18 |
if (tooltipele) {
|
|
|
19 |
var correctRole = $(tooltipele).attr('role') == 'tooltip';
|
|
|
20 |
|
|
|
21 |
if (correctRole) {
|
|
|
22 |
$(tooltipele).hide();
|
|
|
23 |
// Ensure the trigger for the tooltip is keyboard focusable.
|
|
|
24 |
$(element).attr('tabindex', '0');
|
|
|
25 |
}
|
|
|
26 |
|
|
|
27 |
// Attach listeners.
|
|
|
28 |
$(element).on('focus', this._handleFocus.bind(this));
|
|
|
29 |
$(element).on('mouseover', this._handleMouseOver.bind(this));
|
|
|
30 |
$(element).on('mouseout', this._handleMouseOut.bind(this));
|
|
|
31 |
$(element).on('blur', this._handleBlur.bind(this));
|
|
|
32 |
$(element).on('keydown', this._handleKeyDown.bind(this));
|
|
|
33 |
}
|
|
|
34 |
}
|
|
|
35 |
}.bind(this));
|
|
|
36 |
};
|
|
|
37 |
|
|
|
38 |
/** @property {String} Selector for the page region containing the user navigation. */
|
|
|
39 |
Tooltip.prototype._regionSelector = null;
|
|
|
40 |
|
|
|
41 |
/**
|
|
|
42 |
* Find the tooltip referred to by this element and show it.
|
|
|
43 |
*
|
|
|
44 |
* @param {Event} e
|
|
|
45 |
*/
|
|
|
46 |
Tooltip.prototype._showTooltip = function(e) {
|
|
|
47 |
var triggerElement = $(e.target);
|
|
|
48 |
var tooltipId = triggerElement.attr('aria-describedby');
|
|
|
49 |
if (tooltipId) {
|
|
|
50 |
var tooltipele = $(document.getElementById(tooltipId));
|
|
|
51 |
|
|
|
52 |
tooltipele.show();
|
|
|
53 |
Aria.unhide(tooltipele);
|
|
|
54 |
|
|
|
55 |
if (!tooltipele.is('.tooltip')) {
|
|
|
56 |
// Change the markup to a bootstrap tooltip.
|
|
|
57 |
var inner = $('<div class="tooltip-inner"></div>');
|
|
|
58 |
inner.append(tooltipele.contents());
|
|
|
59 |
tooltipele.append(inner);
|
|
|
60 |
tooltipele.addClass('tooltip');
|
|
|
61 |
tooltipele.addClass('bottom');
|
|
|
62 |
tooltipele.append('<div class="tooltip-arrow"></div>');
|
|
|
63 |
}
|
|
|
64 |
var pos = triggerElement.offset();
|
|
|
65 |
pos.top += triggerElement.height() + 10;
|
|
|
66 |
$(tooltipele).offset(pos);
|
|
|
67 |
}
|
|
|
68 |
};
|
|
|
69 |
|
|
|
70 |
/**
|
|
|
71 |
* Find the tooltip referred to by this element and hide it.
|
|
|
72 |
*
|
|
|
73 |
* @param {Event} e
|
|
|
74 |
*/
|
|
|
75 |
Tooltip.prototype._hideTooltip = function(e) {
|
|
|
76 |
var triggerElement = $(e.target);
|
|
|
77 |
var tooltipId = triggerElement.attr('aria-describedby');
|
|
|
78 |
if (tooltipId) {
|
|
|
79 |
var tooltipele = document.getElementById(tooltipId);
|
|
|
80 |
|
|
|
81 |
$(tooltipele).hide();
|
|
|
82 |
Aria.hide(tooltipele);
|
|
|
83 |
}
|
|
|
84 |
};
|
|
|
85 |
|
|
|
86 |
/**
|
|
|
87 |
* Listener for focus events.
|
|
|
88 |
* @param {Event} e
|
|
|
89 |
*/
|
|
|
90 |
Tooltip.prototype._handleFocus = function(e) {
|
|
|
91 |
this._showTooltip(e);
|
|
|
92 |
};
|
|
|
93 |
|
|
|
94 |
/**
|
|
|
95 |
* Listener for keydown events.
|
|
|
96 |
* @param {Event} e
|
|
|
97 |
*/
|
|
|
98 |
Tooltip.prototype._handleKeyDown = function(e) {
|
|
|
99 |
if (e.which == 27) {
|
|
|
100 |
this._hideTooltip(e);
|
|
|
101 |
}
|
|
|
102 |
};
|
|
|
103 |
|
|
|
104 |
/**
|
|
|
105 |
* Listener for mouseover events.
|
|
|
106 |
* @param {Event} e
|
|
|
107 |
*/
|
|
|
108 |
Tooltip.prototype._handleMouseOver = function(e) {
|
|
|
109 |
this._showTooltip(e);
|
|
|
110 |
};
|
|
|
111 |
|
|
|
112 |
/**
|
|
|
113 |
* Listener for mouseout events.
|
|
|
114 |
* @param {Event} e
|
|
|
115 |
*/
|
|
|
116 |
Tooltip.prototype._handleMouseOut = function(e) {
|
|
|
117 |
var triggerElement = $(e.target);
|
|
|
118 |
|
|
|
119 |
if (!triggerElement.is(":focus")) {
|
|
|
120 |
this._hideTooltip(e);
|
|
|
121 |
}
|
|
|
122 |
};
|
|
|
123 |
|
|
|
124 |
/**
|
|
|
125 |
* Listener for blur events.
|
|
|
126 |
* @param {Event} e
|
|
|
127 |
*/
|
|
|
128 |
Tooltip.prototype._handleBlur = function(e) {
|
|
|
129 |
this._hideTooltip(e);
|
|
|
130 |
};
|
|
|
131 |
|
|
|
132 |
return Tooltip;
|
|
|
133 |
});
|