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//
// Dropdown menus
// --------------------------------------------------
// Use the .menu class on any <li> element within the topbar or ul.tabs and you'll get some superfancy dropdowns
.dropup,
.dropdown {
position: relative;
}
.dropdown-toggle {
// The caret makes the toggle a bit too tall in IE7
*margin-bottom: -3px;
}
.dropdown-toggle:active,
.open .dropdown-toggle {
outline: 0;
}
// Dropdown arrow/caret
// --------------------
.caret {
display: inline-block;
width: 0;
height: 0;
vertical-align: top;
border-top: 4px solid @black;
border-right: 4px solid transparent;
border-left: 4px solid transparent;
content: "";
}
// Place the caret
.dropdown .caret {
margin-top: 8px;
margin-left: 2px;
}
// The dropdown menu (ul)
// ----------------------
.dropdown-menu {
position: absolute;
top: 100%;
left: 0;
z-index: @zindexDropdown;
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;
background-color: @dropdownBackground;
border: 1px solid #ccc; // Fallback for IE7-8
border: 1px solid @dropdownBorder;
*border-right-width: 2px;
*border-bottom-width: 2px;
.border-radius(6px);
.box-shadow(0 5px 10px rgba(0,0,0,.2));
-webkit-background-clip: padding-box;
-moz-background-clip: padding;
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(@dropdownDividerTop, @dropdownDividerBottom);
}
// Links within the dropdown menu
> li > a {
display: block;
padding: 3px 20px;
clear: both;
font-weight: normal;
line-height: @baseLineHeight;
color: @dropdownLinkColor;
white-space: nowrap;
}
}
// Hover/Focus state
// -----------
.dropdown-menu > li > a:hover,
.dropdown-menu > li > a:focus,
.dropdown-submenu:hover > a,
.dropdown-submenu:focus > a {
text-decoration: none;
color: @dropdownLinkColorHover;
#gradient > .vertical(@dropdownLinkBackgroundHover, darken(@dropdownLinkBackgroundHover, 5%));
}
// Active state
// ------------
.dropdown-menu > .active > a,
.dropdown-menu > .active > a:hover,
.dropdown-menu > .active > a:focus {
color: @dropdownLinkColorActive;
text-decoration: none;
outline: 0;
#gradient > .vertical(@dropdownLinkBackgroundActive, darken(@dropdownLinkBackgroundActive, 5%));
}
// Disabled state
// --------------
// Gray out text and ensure the hover/focus state remains gray
.dropdown-menu > .disabled > a,
.dropdown-menu > .disabled > a:hover,
.dropdown-menu > .disabled > a:focus {
color: @grayLight;
}
// Nuke hover/focus effects
.dropdown-menu > .disabled > a:hover,
.dropdown-menu > .disabled > a:focus {
text-decoration: none;
background-color: transparent;
background-image: none; // Remove CSS gradient
.reset-filter();
cursor: default;
}
// Open state for the dropdown
// ---------------------------
.open {
// IE7's z-index only goes to the nearest positioned ancestor, which would
// make the menu appear below buttons that appeared later on the page
*z-index: @zindexDropdown;
& > .dropdown-menu {
display: block;
}
}
// Backdrop to catch body clicks on mobile, etc.
// ---------------------------
.dropdown-backdrop {
position: fixed;
left: 0;
right: 0;
bottom: 0;
top: 0;
z-index: @zindexDropdown - 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 {
border-top: 0;
border-bottom: 4px solid @black;
content: "";
}
// Different positioning for bottom up menu
.dropdown-menu {
top: auto;
bottom: 100%;
margin-bottom: 1px;
}
}
// Sub menus
// ---------------------------
.dropdown-submenu {
position: relative;
}
// Default dropdowns
.dropdown-submenu > .dropdown-menu {
top: 0;
left: 100%;
margin-top: -6px;
margin-left: -1px;
.border-radius(0 6px 6px 6px);
}
.dropdown-submenu:hover > .dropdown-menu {
display: block;
}
// Dropups
.dropup .dropdown-submenu > .dropdown-menu {
top: auto;
bottom: 0;
margin-top: 0;
margin-bottom: -2px;
.border-radius(5px 5px 5px 0);
}
// Caret to indicate there is a submenu
.dropdown-submenu > a:after {
display: block;
content: " ";
float: right;
width: 0;
height: 0;
border-color: transparent;
border-style: solid;
border-width: 5px 0 5px 5px;
border-left-color: darken(@dropdownBackground, 20%);
margin-top: 5px;
margin-right: -10px;
}
.dropdown-submenu:hover > a:after {
border-left-color: @dropdownLinkColorHover;
}
// Left aligned submenus
.dropdown-submenu.pull-left {
// Undo the float
// Yes, this is awkward since .pull-left adds a float, but it sticks to our conventions elsewhere.
float: none;
// Positioning the submenu
> .dropdown-menu {
left: -100%;
margin-left: 10px;
.border-radius(6px 0 6px 6px);
}
}
// Tweak nav headers
// -----------------
// Increase padding from 15px to 20px on sides
.dropdown .dropdown-menu .nav-header {
padding-left: 20px;
padding-right: 20px;
}
// Typeahead
// ---------
.typeahead {
z-index: 1051;
margin-top: 2px; // give it some space to breathe
.border-radius(@baseBorderRadius);
}
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