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
|
//
// Dropdown menus
// --------------------------------------------------
// Dropdown arrow/caret
.caret {
display: inline-block;
width: 0;
height: 0;
margin-left: 2px;
vertical-align: middle;
border-top: @caret-width-base solid @dropdown-caret-color;
border-right: @caret-width-base solid transparent;
border-left: @caret-width-base solid transparent;
// Firefox fix for https://github.com/twbs/bootstrap/issues/9538. Once fixed,
// we can just straight up remove this.
border-bottom: 0 dotted;
}
// The dropdown wrapper (div)
.dropdown {
position: relative;
}
// Prevent the focus on the dropdown toggle when closing dropdowns
.dropdown-toggle:focus {
outline: 0;
}
// The dropdown menu (ul)
.dropdown-menu {
position: absolute;
top: 100%;
left: 0;
z-index: @zindex-dropdown;
display: none; // none by default, but block on "open" of the menu
float: left;
min-width: 160px;
padding: 5px 0;
margin: 2px 0 0; // override default ul
list-style: none;
font-size: @font-size-base;
background-color: @dropdown-bg;
border: 1px solid @dropdown-fallback-border; // IE8 fallback
border: 1px solid @dropdown-border;
border-radius: @border-radius-base;
.box-shadow(0 6px 12px rgba(0,0,0,.175));
background-clip: padding-box;
// Aligns the dropdown menu to right
&.pull-right {
right: 0;
left: auto;
}
// Dividers (basically an hr) within the dropdown
.divider {
.nav-divider(@dropdown-divider-bg);
}
// Links within the dropdown menu
> li > a {
display: block;
padding: 3px 20px;
clear: both;
font-weight: normal;
line-height: @line-height-base;
color: @dropdown-link-color;
white-space: nowrap; // prevent links from randomly breaking onto new lines
}
}
// Hover/Focus state
.dropdown-menu > li > a {
&:hover,
&:focus {
text-decoration: none;
color: @dropdown-link-hover-color;
background-color: @dropdown-link-hover-bg;
}
}
// Active state
.dropdown-menu > .active > a {
&,
&:hover,
&:focus {
color: @dropdown-link-active-color;
text-decoration: none;
outline: 0;
background-color: @dropdown-link-active-bg;
}
}
// Disabled state
//
// Gray out text and ensure the hover/focus state remains gray
.dropdown-menu > .disabled > a {
&,
&:hover,
&:focus {
color: @dropdown-link-disabled-color;
}
}
// Nuke hover/focus effects
.dropdown-menu > .disabled > a {
&:hover,
&:focus {
text-decoration: none;
background-color: transparent;
background-image: none; // Remove CSS gradient
.reset-filter();
cursor: not-allowed;
}
}
// Open state for the dropdown
.open {
// Show the menu
> .dropdown-menu {
display: block;
}
// Remove the outline when :focus is triggered
> a {
outline: 0;
}
}
// Dropdown section headers
.dropdown-header {
display: block;
padding: 3px 20px;
font-size: @font-size-small;
line-height: @line-height-base;
color: @dropdown-header-color;
}
// Backdrop to catch body clicks on mobile, etc.
.dropdown-backdrop {
position: fixed;
left: 0;
right: 0;
bottom: 0;
top: 0;
z-index: @zindex-dropdown - 10;
}
// Right aligned dropdowns
.pull-right > .dropdown-menu {
right: 0;
left: auto;
}
// Allow for dropdowns to go bottom up (aka, dropup-menu)
//
// Just add .dropup after the standard .dropdown class and you're set, bro.
// TODO: abstract this so that the navbar fixed styles are not placed here?
.dropup,
.navbar-fixed-bottom .dropdown {
// Reverse the caret
.caret {
// Firefox fix for https://github.com/twbs/bootstrap/issues/9538. Once this
// gets fixed, restore `border-top: 0;`.
border-top: 0 dotted;
border-bottom: @caret-width-base solid @dropdown-caret-color;
content: "";
}
// Different positioning for bottom up menu
.dropdown-menu {
top: auto;
bottom: 100%;
margin-bottom: 1px;
}
}
// Component alignment
//
// Reiterate per navbar.less and the modified component alignment there.
@media (min-width: @grid-float-breakpoint) {
.navbar-right {
.dropdown-menu {
.pull-right > .dropdown-menu();
}
}
}
|
