openproject/app/assets/stylesheets/layout/_main_menu.sass

//-- copyright
// OpenProject is a project management system.
// Copyright (C) 2012-2018 the OpenProject Foundation (OPF)
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License version 3.
//
// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
// Copyright (C) 2006-2017 Jean-Philippe Lang
// Copyright (C) 2010-2013 the ChiliProject Team
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
// See docs/COPYRIGHT.rdoc for more details.
//++

$toggler-width: 40px
$menu-item-line-height: 30px

@mixin main-menu-hover
  @include varprop(background, main-menu-bg-hover-background)
  @include varprop(color, main-menu-hover-font-color)

@mixin main-menu-selected
  @include varprop(background, main-menu-bg-selected-background)
  @include varprop(color, main-menu-selected-font-color)

.main-menu
  @include varprop(width, main-menu-width)
  @include varprop(min-width, main-menu-width)
  overflow-x: hidden
  border-right-style: solid
  @include varprop(border-right-width, main-menu-border-width)
  @include varprop(border-right-color, main-menu-border-color)
  @include varprop(background-color, main-menu-bg-color)

  #menu-sidebar
    +allow-vertical-scrolling
    height: calc(100vh - #{$header-height})
    position: relative
    @include styled-scroll-bar-vertical

    // Fixed heights to allow inner scrolling
    .menu_root.closed,
    .menu_root > li.open,
    wp-query-select,
    .wp-query-menu--container,
    .wp-query-menu--search-container,
    .main-menu--children > li.partial:only-child
      height: 100%

    .main-menu--children > li.partial
      height: initial

    .main-menu--children
      height: calc(100% - (#{$main-menu-item-height} + 10px)) // 10px spacing
      overflow: auto
      @include styled-scroll-bar-vertical

  ul
    margin: 0
    padding: 0

    // -------------------- ALL menu items ---------------------------
    li
      float: none
      list-style-type: none
      margin: 0
      padding: 0
      white-space: nowrap
      position: relative
      min-height: 23px

      &.ng-leave
        @include animation(0.5s fade-out)

      [class*="-menu-item"]
        display: flex
        align-items: center

    // -------------------- MAIN menu items ---------------------------
    li a
      // work around due to dom manipulation on document: ready:
      // this isn't scoped to .main-item-wrapper to avoid flickering
      padding-left: 11px
      &.toggler
        // explicitly reset to zero to avoid selector precedence problems
        padding-left: 0
    .main-menu--children li a
      // children have no icon so we need to push them right.
      padding-left: 32px

  a
    text-decoration: none
    line-height: $main-menu-item-height
    display: block
    position: relative
    height: $main-menu-item-height
    @include varprop(color, main-menu-font-color)
    font-family: $body-font-family
    font-weight: normal
    font-size: $main-menu-font-size
    font-style: normal
    &:hover
      text-decoration: none

  .toggler
    width: $toggler-width
    height: $main-menu-item-height
    text-align: center
    overflow: hidden

  .toggle-follow
    position: absolute
    width: 140px
  .icon-time
    background: none
    padding: 0

$arrow-left-width: 40px

.main-item-wrapper
  display: flex


  .toggler:hover
    @include main-menu-hover

  a
    &.selected, &.selected + a
      @include main-menu-selected

      &:hover
        @include main-menu-hover

    &:hover, &:focus , &:active
      @include main-menu-hover

      &~ .toggler
        @include main-menu-hover

  a:not(.toggler)
    @extend .small-12

  a:not(:only-child):first-of-type
    flex: 0 0 calc(100% - 40px)
    max-width: calc(100% - 40px)

// -------------------- CHILD menu items ---------------------------
.main-menu--children
  display: none
  padding-top: 10px
  padding-bottom: 10px
  padding: 0
  width: 100%
  &.unattached
    border-top: 1px solid #ddd
  li
    &.partial
      padding-bottom: 10px

      // resetting styles in partials.
      background: initial
      &:hover,
      li,
      li:hover
        background: initial
        a:not(.main-menu--children-sub-item)
          padding: initial

    &:hover
      // simultaneously hover all menu item anchor tags
      > a
        @include varprop(color, main-menu-bg-hover-background)

    > a
      &.selected, &.selected
        @include main-menu-selected
      &:hover, &:focus , &:active
        @include main-menu-hover

.main-menu--children-menu-header
  padding: 10px 10px 0 10px
  height: calc(#{$main-menu-item-height} + 10px)

.main-menu--arrow-left-to-project
  display: inline-block
  width: $arrow-left-width
  float: left
  border-radius: 3px
  padding-left: 14px
  padding-right: 14px
  width: 40px
  &:hover, &:focus, &:active
    @include main-menu-hover

a.main-menu--parent-node
  display: inline-block
  padding: 0px 11px 0 11px
  font-size: $main-menu-font-size
  font-weight: 700
  width: calc(100% - #{$arrow-left-width})
  height: $main-menu-item-height
  line-height: $main-menu-item-height
  border-radius: 3px
  @include varprop(color, main-menu-font-color)
  &:hover, &:focus, &:active
    @include main-menu-hover

// logic for showing either parent or child menu
.main-menu
  ul.menu_root
    &.closed
      li
        display: none
      > li.open
        display: list-item
        .main-item-wrapper
          display: none

        .main-menu--children
          display: block
          li
            display: list-item
    &.open
      > li
        display: list-item
        .main-menu--children-menu-header
          display: none

.hidden-navigation
  .main-menu
    width: $main-menu-folded-width
    min-width: $main-menu-folded-width
    ul
      &.menu_root
        > li
          .main-item-wrapper
            a:not(:only-child)
              @extend .small-12

          .ellipsis
            text-overflow: clip
            -o-text-overflow: clip
            -ms-text-overflow: clip
          .toggler
            display: none

  #sidebar,
  .main-menu--children
    display: none

#sidebar
  margin: 30px 0 0 0
  padding: 0 17px 0 17px
  width: auto
  @include varprop(color, main-menu-sidebar-font-color)
  font-family: $body-font-family
  font-style: normal

  h3
    display: block
    border: none
    @include varprop(color, main-menu-sidebar-h3-color)
    font-weight: normal
    font-size: $main-menu-sidebar-h3-font-size
    margin: 30px 0 8px 0
    padding: 10px 0 0 0

    text-transform: uppercase

  > h3:first-child
    margin-top: 0

  a, a:link
    @include varprop(color, main-menu-sidebar-link-color)
    display: inline
    position: static
    text-decoration: underline

  a:hover
    text-decoration: underline

  label
    @include varprop(color, main-menu-sidebar-font-color)
    @include text-shortener
    max-width: 80%
    vertical-align: top

  ul
    border: none
    overflow-x: hidden
    li
      border: none
    li a
      padding: 0

  &.-hidden
    display: none

.menu-wiki-pages-tree
  height: 100%
  overflow: auto
  border-top: $main-menu-border-width solid $main-menu-border-color
  padding-top: 7px
  padding-left: 7px
  padding-right: 7px

  @include styled-scroll-bar-vertical

.main-menu--segment-header
  @include varprop(color, main-menu-fieldset-header-color)
  text-transform: uppercase
  padding-left: $hierarchy-span-width
  font-size: 0.7rem

.main-menu--resizer
  background: none
  height: 100vh
  width: 18px
  position: fixed
  top: 0px
  border-left-width: 2px
  border-left-style: solid
  border-left-color: transparent
  left: calc(#{$main-menu-width} - 2px)
  left: calc(var(--main-menu-width) - 2px)
  vertical-align: middle
  z-index: 1
  cursor: col-resize
  &:hover
    @include varprop(border-left-color, main-menu-resizer-color)
    .main-menu--navigation-toggler
      opacity: 1
      i:before
        @include varprop(color, main-menu-navigation-toggler-font-hover-color)

  &.show
    left: $main-menu-folded-width

.main-menu--navigation-toggler
  .hidden-navigation &
    text-align: right
    opacity: 0
    cursor: col-resize
    &:hover
      @include varprop(color, main-menu-navigation-toggler-font-hover-color)
      i:before
        @include icon-mixin-arrow-right2
    i:before
      @include icon-mixin-arrow-right2

  position: absolute
  top: 0
  height: 40px
  text-align: left
  margin-top: 50vh
  margin-left: -14px
  padding: 0
  // Center toggle icon vertically. The element is higher than it looks like.
  line-height: 38px
  i
    display: inline-block
    width: 30px
    cursor: pointer
    line-height: 40px
    &:before
      color: $light-gray
      padding-right: 0
      padding-left: 2px
  &:hover
    @include varprop(color, main-menu-navigation-toggler-font-hover-color)
    font-size: 11px
    i:before
      padding-left: 0
      @include icon-mixin-arrow-left2

#main-menu ul ul.main-menu--children ul.pages-hierarchy
  .tree-menu--hierarchy-indicator
    @include varprop(color, main-menu-font-color)
  .tree-menu--item
    &.-selected
      @include varprop(background, main-menu-bg-selected-background)
      .tree-menu--title
        @include varprop(color, main-menu-selected-font-color)
    &:hover
      @include varprop(background, main-menu-bg-hover-background)
      .tree-menu--title
        @include varprop(color, main-menu-hover-font-color)
        text-decoration: none