/* ------------------------------------------------------------------------------
*
*  # Dropdown menu component
*
*  Overrides for dropdown menu bootstrap component
*
*  Version: 1.2
*  Latest update: Aug 10, 2016
*
* ---------------------------------------------------------------------------- */


// Base
// -------------------------

// Dropdown arrow/caret, full override
.caret {
    font-style: normal;
    font-weight: normal;
    border: 0;
    margin: 0;
    width: auto;
    height: auto;
    text-align: center;
    margin-top: -1px;

    // Arrow icon
    &:after {
        content: '\e9c5';
        font-family: 'icomoon';
        display: block;
        font-size: @icon-font-size;
        width: @icon-font-size;
        line-height: 1;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

// The dropdown menu (ul)
.dropdown-menu {
    min-width: 180px;
    padding: @list-spacing 0;
    color: @text-color;
    .box-shadow(@shadow-depth2);

    &:not([class*=border-]) {
        border-width: 0;
    }

    // Dividers (basically an hr) within the dropdown
    .divider {
        margin: @list-spacing 0;
    }

    // Menu item
    > li {
        position: relative;
        margin-bottom: 1px;

        // Last item
        &:last-child {
            margin-bottom: 0;
        }
    }

    // Links within the dropdown menu
    > li > a {
        padding: @padding-base-vertical @padding-base-horizontal;
        outline: 0;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    // Elements
    > li > a,
    > .dropdown-header {

        // Icons and images
        > i,
        > img {
            margin-right: @padding-base-horizontal;
            float: left;
            margin-top: ((@line-height-computed - @icon-font-size) / 2);
            top: 0;

            // Right aligned icons
            &.pull-right {
                margin-right: 0;
                margin-left: @padding-base-horizontal;
            }
        }

        // Labels and badges
        > .label,
        > .badge {
            float: left;
            margin-right: @padding-base-horizontal;

            &.pull-right {
                margin-right: 0;
                margin-left: @padding-base-horizontal;
            }
        }

        // Image thumbs
        > img {
            max-height: @icon-font-size;
        }
    }
}


// Checkboxes and radios
// -------------------------

// Hover/Focus state for labels
.dropdown-menu {

    // Hover/focus states
    > li > label {
        &:hover,
        &:focus {
            text-decoration: none;
            color: @dropdown-link-hover-color;
            background-color: @dropdown-link-hover-bg;
        }
    }

    // Active state
    > .active > label {
        &,
        &:hover,
        &:focus {
            color: @dropdown-link-active-color;
            outline: 0;
            background-color: @dropdown-link-active-bg;
        }
    }
}

// Disabled state for labels
.dropdown-menu > .disabled {
    > label {
        &,
        &:hover,
        &:focus {
            background-color: transparent;
            color: @dropdown-link-disabled-color;
        }
    }
}

// Checkboxes and radios
.dropdown-menu {
    > li {

        // Label instead of link
        > label {
            padding: @padding-base-vertical @padding-base-horizontal;
            padding-left: (@padding-base-horizontal + @content-padding-small + @checkbox-size);
            display: block;
            cursor: pointer;

            // Positioning
            .checker,
            .choice,
            > input[type=checkbox],
            > input[type=radio] {
                left: @padding-base-horizontal;
                top: auto;
                margin-top: ((@line-height-computed - @checkbox-size) / 2);
            }
        }

        // Remove top margin
        &.checkbox,
        &.radio {
            margin-top: 0;
        }

        // Right checkbox position
        &.checkbox-right > label {
            padding-left: @padding-base-horizontal;
            padding-right: (@padding-base-horizontal + @content-padding-small + @checkbox-size);

            .checker,
            > input[type=checkbox] {
                left: auto;
                right: @padding-base-horizontal;
            }
        }

        // Right radio position
        &.radio-right > label {
            &:extend(.dropdown-menu > li.checkbox-right > label);

            .choice,
            > input[type=radio] {
                left: auto;
                right: @padding-base-horizontal;
            }
        }
    }
}

// Switchery toggles
.dropdown-menu {
    > .checkbox-switchery {

        // Set left spacing
        > label > .switchery {
            left: @padding-base-horizontal;
        }

        // Set right spacing
        &.checkbox-right[class*=switchery-] {
            > label {
                padding-left: @padding-base-horizontal;

                > .switchery {
                    left: auto;
                    right: @padding-base-horizontal;
                }
            }
        }

        // Small size
        &.switchery-sm {
            margin-bottom: 0;

            > label {
                padding-left: (((@switchery-small-size + 1) * 2) + (@padding-base-horizontal * 2));
            }
        }

        // Mini size
        &.switchery-xs {
            margin-bottom: 0;

            > label {
                padding-left: (((@switchery-mini-size + 1) * 2) + (@padding-base-horizontal * 2));
            }
        }

        // Right position
        &.checkbox-right {

            // Small
            &.switchery-sm {
                > label {
                    padding-right: (((@switchery-small-size + 1) * 2) + (@padding-base-horizontal * 2));
                }
            }

            // Mini
            &.switchery-xs {
                > label {
                    padding-right: (((@switchery-mini-size + 1) * 2) + (@padding-base-horizontal * 2));
                }
            }
        }
    }
}


// Disabled state
// -------------------------

.dropdown-menu > .disabled {
    .badge,
    .label,
    img {
        .opacity(0.8);
    }
}


// Solid color dropdown menu
// -------------------------

.dropdown-menu[class*=bg-] {

    // Links and labels
    > li {
        > a,
        > label {
            color: #fff;

            &:hover,
            &:focus {
                background-color: fade(#000, 10%);
            }

            // Make badge/label white
            > .label,
            > .badge {
                color: @text-color;
                background-color: #fff;
                border-color: #fff;
            }
        }
    }

    // Active state
    > .active > a,
    > .active > label {
        &,
        &:hover,
        &:focus {
            background-color: fade(#000, 20%);
        }
    }

    // Disabled state
    > .disabled > a,
    > .disabled > label {
        &,
        &:hover,
        &:focus {
            background-color: transparent;
            color: fade(#fff, 60%);
        }
    }

    // Dropdown header
    > .dropdown-header {
        color: fade(#fff, 60%);

        &.highlight {
            background-color: fade(#000, 10%);
        }
    }

    // Divider
    .divider {
        background-color: fade(#fff, 40%);
    }
}


// Optional sizing
// -------------------------

// Large
.dropdown-menu-lg {
    > li > a {
        padding-top: @padding-large-vertical;
        padding-bottom: @padding-large-vertical;
        font-size: @font-size-large;
        line-height: @line-height-large;
    }
}

// Small
.dropdown-menu-sm {
    > li > a {
        padding-top: @padding-small-vertical;
        padding-bottom: @padding-small-vertical;
        font-size: @font-size-small;
        line-height: @line-height-small;
    }
}

// Mini
.dropdown-menu-xs {
    > li > a {
        padding-top: @padding-xs-vertical;
        padding-bottom: @padding-xs-vertical;
        font-size: @font-size-small;
        line-height: @line-height-small;
    }
}


// Dropdown submenu
// -------------------------

.dropdown-menu {

    // Basic functionality
    > .dropdown-submenu {

        // Link
        > a {
            padding-right: ((@padding-base-horizontal * 2) + (@icon-font-size / 2));
            position: relative;

            // Arrow icon
            &:after {
                content: '\e9c7';
                font-family: 'icomoon';
                position: absolute;
                top: 50%;
                margin-top: -(@icon-font-size / 2);
                right: @padding-base-horizontal;
                font-size: @icon-font-size;
                font-weight: 400;
                line-height: 1;
                -webkit-font-smoothing: antialiased;
                -moz-osx-font-smoothing: grayscale;
                .opacity(0.8);
            }
        }

        // Hover/focus states
        &:hover,
        &:focus {
            > a {
                background-color: @dropdown-link-hover-bg;

                &:after {
                    .opacity(1);
                }
            }
        }

        // Active submenu item
        &.active > a {
            background-color: @dropdown-link-active-bg;
            color: @dropdown-link-active-color;
        }

        // Display submenu on hover
        &:hover > .dropdown-menu {
            @media(min-width: @grid-float-breakpoint) {
                display: block;
            }
        }

        // Hide submenu if parent is disabled
        &.disabled {
            > .dropdown-menu {
                display: none;
            }

            > a {
                background-color: transparent;
            }
        }

        // Submenu position
        > .dropdown-menu {
            top: 0;
            left: 100%;
            margin-top: -(@list-spacing);

            // Reverse in dropdown and bottom navbars
            .dropup &,
            .navbar-fixed-bottom .dropdown & {
                top: auto;
                bottom: 0;
                margin-top: 0;
                margin-bottom: -(@list-spacing);
            }
        }

        // Left submenu position
        &.dropdown-submenu-left > .dropdown-menu {
            left: auto;
            right: 100%;
        }

        // Submenu dropup
        .dropup &,
        .dropup& {
            > .dropdown-menu {
                top: auto;
                bottom: 0;
                margin-top: 0;
                margin-bottom: -(@list-spacing);
            }
        }

        // Make submenu levels stacked on mobile
        @media (max-width: @screen-xs-max) {
            position: static;

            // Change arrow icon direction
            > a:after {
                content: '\e9c5';
            }

            // Make them stacked
            &,
            &.dropdown-submenu-left {
                .dropdown-menu {
                    position: relative;
                    left: 0;
                    right: 0;
                    float: none;
                    border-width: 0;
                    border-color: fade(#000, 10%);
                    box-shadow: none;
                    min-width: 100%;
                    margin: 0;

                    // Second level
                    > li {
                        > a {
                            padding-left: (@padding-base-horizontal * 2);
                        }

                        // Third level
                        > ul > li {
                            > a {
                                padding-left: (@padding-base-horizontal * 3);
                            }
                        }
                    }
                }
            }
        }
    }

    // Background color for submenu link states
    &[class*=bg-] > .dropdown-submenu {
        &:hover > a,
        &:focus > a {
            background-color: fade(#000, 10%);
        }

        // Remove bg color in disabled links
        &.disabled {
            &:hover > a,
            &:focus > a {
                background-color: transparent;
            }
        }
    }
}


// Dropdown header
// -------------------------

.dropdown-header {
    padding: @padding-base-vertical @padding-base-horizontal;
    font-size: @font-size-mini;
    line-height: @line-height-mini;
    color: @text-muted;
    text-transform: uppercase;
    margin-top: @list-spacing;

    // Highlighted header
    &.highlight {
        margin-top: 0;
        background-color: @dropdown-annotation-bg;
        color: @text-muted;

        // Add top spacing
        li + &,
        & + li {
            margin-top: @list-spacing;
        }

        // ... but remove from the first one
        &:first-child {
            margin-top: 0;
        }
    }
}


// General dropup
// -------------------------

.dropup,
.navbar-fixed-bottom .dropdown {

    // Reverse the caret
    .caret {
        border: 0;

        // Icon
        &:after {
            content: '\e9c6';
        }
    }
}
