openproject/app/assets/stylesheets/content/_select2.scss

//-- copyright
// OpenProject is a project management system.
// Copyright (C) 2012-2015 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) 2006-2013 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 doc/COPYRIGHT.rdoc for more details.
//++

.project-search-results {
  box-sizing:         content-box; /* Opera/IE 8+ */

  /* Fixing select2's positioning errors for results*/
  margin-left: -1px;

  /* Disabling rounded corners and drop shadow on result list */
  border-radius        : 0;
  box-shadow        : none;
}

/* Hide upper half of select2-select widget */
#project-search-container .select2-choice {
  display: none;
}


/* Make no results a bit look like results */
.select2-results .select2-no-results,
.select2-results .select2-searching,
.select2-results .select2-more-results
{
  background-color: #fff;
  margin: 3px 6px 3px 6px;
}
.select2-results .select2-searching,
.select2-results .select2-more-results
{
  background: image-url('select2/select2-spinner.gif') no-repeat scroll 100% center #fff;
}


/* Selected elements should be bold, have inverted colors and rounded corners */
.select2-results .select2-highlighted {
  border-radius: 5px;

  background-color: #24B3E7;
  font-weight:bold;
}
.select2-results .select2-result-unselectable {
  color: #999;
  background:transparent;
}


/* Shorten overlong project names */
.select2-results .select2-result-label {
  overflow: hidden;
  white-space: nowrap;
  -ms-text-overflow: ellipsis;
  -o-text-overflow: ellipsis;
  text-overflow: ellipsis;
}


/* Fix search input in IE8 - input was to high */
.select2-search input {
  min-height: 0\9;
}

.controller-work_packages.action-index .select2-drop:not(.project-search-results) .select2-results .select2-result-selectable {
  color: #000;
}

.controller-work_packages.action-index .select2-drop:not(.project-search-results) .select2-results .select2-result-selectable.select2-highlighted {
  color: #fff;
  font-weight: bold;
}

.select2-drop {
  z-index: 30001;
}

.select2-drop-mask {
  z-index: 30000;
}

.select2-display-none {
  display: none;
}

.ui-select-container {
  // HACK. TODO: Remove ul overrides in various places.
  // See: https://community.openproject.org/work_packages/18330

  ul {
    margin-left: 0;
  }
}

//$se2- select2 var prefix
$se2-theme-selectable-color: #f8f8f8;
//{bgThemeHighlight}
$se2-theme-selectable-color-highlighted: #24b3e7;

$se2-element-height: 33px;
$se2-line-height: 30px;
$se2-button-width: 28px;
$se2-arrow-button-width: 18px;
$se2-results-max-height: 500px;

$se-multiple-input-line-height: 19px;
$se-multiple-tags-line-height: 19px;

$se2-max-width: 350px;
$se2-width: 100%;

.select2-container {
  //Indirectly styling size of result list
  max-width: $se2-max-width;
  width: $se2-width;

  .select2-choice {
    border-radius: 0;
    box-shadow: none;
    background: none;
    height: $se2-element-height;
    line-height: $se2-element-height;

    .select2-chosen {
      line-height: $se2-line-height;
    }

    .select2-arrow {
      background: $se2-theme-selectable-color none;
      border-radius: 0;
      line-height: $se2-line-height;
      text-align: center;
      width: $se2-button-width;

      > b {
        display: inline-block;
        height: $se2-arrow-button-width;
        width: $se2-arrow-button-width;
      }
    }
  }

  &.ui-select-multiple {

    .ui-select-search {
      line-height: $se-multiple-input-line-height;
    }

    .ui-select-match-item {
      line-height: $se-multiple-tags-line-height;
    }

  }

  &.select2-dropdown-open {
    
    .select2-choice {
      background-color: $se2-theme-selectable-color;
    }
  }
}

.select2-drop {
  .select2-search {
    .select2-input {
      //possible background tweaks
    }
  }
  
  .select2-results {
    max-height: $se2-results-max-height;
    overflow: auto;

    .select2-highlighted {
      background-color: $se2-theme-selectable-color-highlighted;
    }
  }
}