//-- 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.
//++

$button--font-color:                        #222222 !default
$button--background-color:                  $gray-light !default
$button--background-hover-color:            darken($button--background-color, 4.5%)  !default
$button--border-color:                      darken($button--background-color, 10.5%) !default

$button--active-font-color:                 darken($button--background-color, 24%) !default
$button--active-background-color:           darken($button--background-color, 4%)  !default
$button--active-border-color:               darken($button--background-color, 18%) !default

$button--highlight-font-color:              $font-color-on-primary !default
$button--highlight-background-color:        $primary-color !default
$button--highlight-background-hover-color:  $primary-color-dark !default

$button--alt-highlight-font-color:                $font-color-on-alternative !default
$button--alt-highlight-background-color:          $alternative-color !default
$button--alt-highlight-background-hover-color:    darken($alternative-color, 18%) !default

$button--text-icon-spacing:                 0.65em !default

.button,
a.button
  @extend %button
  @include button-size(medium)
  @include button-expand(false)
  @include button-style($button--background-color, $button--background-hover-color, $button--font-color, $button-style)
  border: 1px solid $button--border-color

  transition-property: background, border
  transition-duration: 0.25s
  transition-timing-function: ease-out

  &:disabled
    @include button-disabled

  &:hover
    text-decoration: none

  &.-with-icon
    &::before
      padding: 0 $button--text-icon-spacing 0 0

  &.-highlight
    @include button-style($button--highlight-background-color, $button--highlight-background-hover-color, $button--highlight-font-color, $button-style)
    border-color: $button--highlight-background-color

    &:hover, &:focus
      border-color: $button--highlight-background-hover-color


  &.-alt-highlight
    @include button-style($button--alt-highlight-background-color, $button--alt-highlight-background-hover-color, $button--alt-highlight-font-color, $button-style)
    border-color: $button--alt-highlight-background-color

    &:hover, &:focus
      border-color: $button--alt-highlight-background-hover-color


  &.-active
    @include button-style($button--active-background-color, $button--active-background-color, $button--active-font-color, $button-style)
    border-color: $button--active-border-color
    box-shadow: 0 0 3px $button--active-border-color inset


  &.-transparent
    @include button-style($background: $button--font-color, $style: hollow)
    border-color: transparent

    &:hover, &:focus
      border-color: $button--border-color

    &.-active
      background: $button--active-background-color

      &:hover, &:focus
        border-color: $button--active-border-color

  &.-tiny
    @include button-size(tiny)

  &.-small
    @include button-size(small)

  &.-large
    @include button-size(large)

  &.-expand
    @include button-expand

  &.-round
    border-radius: 2em

.button--icon
  @include icon-common

.button--icon + .button--text,
.button--text + .button--icon
  margin: 0 0 0 $button--text-icon-spacing

.button--dropdown-indicator
  @include icon-common
  padding: 0 0 0 3px
  font-size: rem-calc(13px)
  @extend .icon-small
  @extend .icon-pulldown

// hack around the old watchers_link implementation
a.watcher_link
  color: $button--font-color
  text-decoration: none

  &:before
    margin-right: $button--text-icon-spacing

// hack around the old markup (icon class applied on <a>)
// which is used for toolbar-items to add space after icons inside buttons
.toolbar-item
  .button[class*='icon-']
    &:before
      margin-right: $button--text-icon-spacing