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Diffstat (limited to 'bootstrap/fonts/less/dropdowns.less')
| -rwxr-xr-x | bootstrap/fonts/less/dropdowns.less | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/bootstrap/fonts/less/dropdowns.less b/bootstrap/fonts/less/dropdowns.less new file mode 100755 index 0000000..542c004 --- /dev/null +++ b/bootstrap/fonts/less/dropdowns.less @@ -0,0 +1,213 @@ +// +// Dropdown menus +// -------------------------------------------------- + + +// Dropdown arrow/caret +.caret { + display: inline-block; + width: 0; + height: 0; + margin-left: 2px; + vertical-align: middle; + border-top: @caret-width-base dashed; + border-top: @caret-width-base solid ~"\9"; // IE8 + border-right: @caret-width-base solid transparent; + border-left: @caret-width-base solid transparent; +} + +// The dropdown wrapper (div) +.dropup, +.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 + font-size: @font-size-base; + text-align: left; // Ensures proper alignment if parent has it changed (e.g., modal footer) + list-style: none; + background-color: @dropdown-bg; + background-clip: padding-box; + 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)); + + // Aligns the dropdown menu to right + // + // Deprecated as of 3.1.0 in favor of `.dropdown-menu-[dir]` + &.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: 400; + line-height: @line-height-base; + color: @dropdown-link-color; + white-space: nowrap; // prevent links from randomly breaking onto new lines + + &:hover, + &:focus { + color: @dropdown-link-hover-color; + text-decoration: none; + background-color: @dropdown-link-hover-bg; + } + } +} + +// Active state +.dropdown-menu > .active > a { + &, + &:hover, + &:focus { + color: @dropdown-link-active-color; + text-decoration: none; + background-color: @dropdown-link-active-bg; + outline: 0; + } +} + +// 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 + &:hover, + &:focus { + text-decoration: none; + cursor: @cursor-disabled; + background-color: transparent; + background-image: none; // Remove CSS gradient + .reset-filter(); + } +} + +// Open state for the dropdown +.open { + // Show the menu + > .dropdown-menu { + display: block; + } + + // Remove the outline when :focus is triggered + > a { + outline: 0; + } +} + +// Menu positioning +// +// Add extra class to `.dropdown-menu` to flip the alignment of the dropdown +// menu with the parent. +.dropdown-menu-right { + right: 0; + left: auto; // Reset the default from `.dropdown-menu` +} +// With v3, we enabled auto-flipping if you have a dropdown within a right +// aligned nav component. To enable the undoing of that, we provide an override +// to restore the default dropdown menu alignment. +// +// This is only for left-aligning a dropdown menu within a `.navbar-right` or +// `.pull-right` nav component. +.dropdown-menu-left { + right: auto; + left: 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; + white-space: nowrap; // as with > li > a +} + +// Backdrop to catch body clicks on mobile, etc. +.dropdown-backdrop { + position: fixed; + top: 0; + right: 0; + bottom: 0; + left: 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 { + content: ""; + border-top: 0; + border-bottom: @caret-width-base dashed; + border-bottom: @caret-width-base solid ~"\9"; // IE8 + } + // Different positioning for bottom up menu + .dropdown-menu { + top: auto; + bottom: 100%; + margin-bottom: 2px; + } +} + + +// Component alignment +// +// Reiterate per navbar.less and the modified component alignment there. + +@media (min-width: @grid-float-breakpoint) { + .navbar-right { + .dropdown-menu { + .dropdown-menu-right(); + } + // Necessary for overrides of the default right aligned menu. + // Will remove come v4 in all likelihood. + .dropdown-menu-left { + .dropdown-menu-left(); + } + } +} |