-
Notifications
You must be signed in to change notification settings - Fork 0
/
jquery.ui.menubar.js
254 lines (244 loc) · 9.04 KB
/
jquery.ui.menubar.js
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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
/*
* jQuery UI Menubar @VERSION
*
* Copyright 2012, AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
*/
(function( $ ) {
$.widget( "ui.menubar", {
version : "@VERSION",
options : {
autoExpand : false,
buttons : false,
items : "li",
menuElement : "ul",
menuIcon : false,
position : {
my : "left top",
at : "left bottom"
}
},
_create : function () {
var that = this;
this.menuItems = this.element.children(this.options.items);
this.items = this.menuItems.children("button, a");
this.menuItems.addClass("ui-menubar-item").attr("role", "presentation");
// let only the first item receive focus
this.items.slice(1).attr("tabIndex", -1);
this.element
.addClass("ui-menubar ui-widget-header ui-helper-clearfix")
.attr("role", "menubar");
this._focusable(this.items);
this._hoverable(this.items);
this.items.siblings(this.options.menuElement)
.menu({
position : {
within : this.options.position.within
},
select : function (event, ui) {
ui.item.parents("ul.ui-menu:last").hide();
that._close();
// TODO what is this targetting? there's probably a better way to access it
$(event.target).prev().focus();
that._trigger("select", event, ui);
},
menus : that.options.menuElement
})
.hide().attr({
"aria-hidden" : "true",
"aria-expanded" : "false"
})
.on("keydown.menubar", function (event) {
var menu = $(this);
if (menu.is(":hidden"))
return;
switch (event.keyCode) {
case $.ui.keyCode.LEFT:
that.previous(event);
c.preventDefault();
break;
case $.ui.keyCode.RIGHT:
that.next(event);
event.preventDefault();
break;
}
});
this.items.each(function () {
var input = $(this),
// TODO menu var is only used on two places, doesn't quite justify the .each
menu = input.next(that.options.menuElement);
input.on("click.menubar focus.menubar mouseenter.menubar", function (event) {
if (event.type == "focus" && !event.originalEvent)
return;
event.preventDefault();
// TODO can we simplify or extractthis check? especially the last two expressions
// there's a similar active[0] == menu[0] check in _open
if (event.type == "click" && menu.is(":visible") && that.active && that.active[0] == menu[0]) {
that._close();
return;
}
if ((that.open && event.type == "mouseenter") || event.type == "click" || that.options.autoExpand) {
if ( that.options.autoExpand )
clearTimeout(that.closeTimer);
that._open(event, menu);
}
})
.on("keydown", function (event) {
switch (event.keyCode) {
case $.ui.keyCode.SPACE:
case $.ui.keyCode.UP:
case $.ui.keyCode.DOWN:
that._open(event, $(this).next());
event.preventDefault();
break;
case $.ui.keyCode.LEFT:
that.previous(event, $(this));
event.preventDefault();
break;
case $.ui.keyCode.RIGHT:
that.next(event, $(this));
event.preventDefault();
break;
}
})
.addClass("ui-button ui-widget ui-button-text-only ui-menubar-link")
.attr("role", "menuitem")
.attr("aria-haspopup", "true")
.wrapInner("<span class='ui-button-text'></span>");
// TODO review if these options are a good choice, maybe they can be merged
if ( that.options.menuIcon ) {
input.addClass("ui-state-default").append("<span class='ui-button-icon-secondary ui-icon ui-icon-triangle-1-s'></span>");
input.removeClass("ui-button-text-only").addClass("ui-button-text-icon-secondary");
}
if ( that.options.buttons ) {
// TODO ui-menubar-link is added above, not needed here?
input.addClass("ui-menubar-link").removeClass("ui-state-default");
}
});
that._on({
keydown : function (event) {
if (event.keyCode == $.ui.keyCode.ESCAPE && that.active && that.active.menu("collapse", event) !== true) {
var active = that.active;
that.active.blur();
that._close(event);
active.prev().focus();
}
},
focusin : function (event) {
clearTimeout(that.closeTimer);
},
focusout : function (event) {
that.closeTimer = setTimeout(function () {
that._close(event);
}, 100);
},
"mouseleave .ui-menubar-item" : function (event) {
if ( that.options.autoExpand ) {
that.closeTimer = setTimeout(function () {
that._close(event);
}, 100);
}
},
"mouseenter .ui-menubar-item" : function (event) {
clearTimeout(that.closeTimer);
}
});
},
_destroy : function () {
this.menuItems
.removeClass("ui-menubar-item")
.removeAttr("role");
this.element
.removeClass("ui-menubar ui-widget-header ui-helper-clearfix")
.removeAttr("role")
.off(".menubar");
this.items
.off(".menubar")
.removeClass("ui-button ui-widget ui-button-text-only ui-menubar-link ui-state-default")
.removeAttr("role")
.removeAttr("aria-haspopup")
.children("span.ui-button-text").each(function (i, e) {
var item = $(this);
item.parent().html(item.html());
})
.end()
.children(".ui-icon").remove();
this.element.find(":ui-menu")
.menu("destroy")
.show()
.removeAttr("aria-hidden")
.removeAttr("aria-expanded")
.removeAttr("tabindex")
.off(".menubar");
},
_close : function () {
if (!this.active || !this.active.length)
return;
this.active.menu("collapseAll").hide().attr({
"aria-hidden" : "true",
"aria-expanded" : "false"
});
this.active.prev().removeClass("ui-state-active").removeAttr("tabIndex");
this.active = null;
this.open = false;
},
_open : function (event, menu) {
// on a single-button menubar, ignore reopening the same menu
if (this.active && this.active[0] == menu[0])
return;
if ( this.active ) {
// TODO refactor, almost the same as _close above, but don't remove tabIndex
this.active.menu("collapseAll").hide().attr({
"aria-hidden" : "true",
"aria-expanded" : "false"
});
this.active.prev().removeClass("ui-state-active");
}
// set tabIndex -1 to have the button skipped on shift-tab when menu is open (it gets focus)
var button = menu.prev().addClass("ui-state-active").attr("tabIndex", -1);
this.active = menu.show().position($.extend({
of : button
}, this.options.position))
.removeAttr("aria-hidden")
.attr("aria-expanded", "true")
.menu("focus", event, menu.children(".ui-menu-item").first())
// TODO need a comment here why both events are triggered
.focus()
.focusin();
this.open = true;
},
next : function (event) {
this._move("next", "first", event);
},
previous : function (event) {
this._move("prev", "last", event);
},
_move : function (b, c, event) {
var e, f;
if ( this.open ) {
e = this.active.closest(".ui-menubar-item")[b + "All"](this.options.items).first().children(".ui-menu").eq(0);
f = this.menuItems[c]().children(".ui-menu").eq(0);
}
else if ( event ) {
e = $(event.target).closest(".ui-menubar-item")[b + "All"](this.options.items).children(".ui-menubar-link").eq(0);
f = this.menuItems[c]().children(".ui-menubar-link").eq(0);
}
else
e = f = this.menuItems.children("a").eq(0);
if ( e.length ) {
if ( this.open )
this._open(event, e);
else
e.removeAttr("tabIndex")[0].focus();
}
else {
if ( this.open )
this._open(event, f);
else
f.removeAttr("tabIndex")[0].focus();
}
}
});
}( jQuery ));