// studio - views - course outline
// ====================

// view-specific utilities
// --------------------
%outline-item-header {
  @include clearfix();

  line-height: 0;

  // CASE: is-editable
  // TODO: abstract out
  .is-editable {
    .incontext-editor-value, .incontext-editor-action-wrapper {
      vertical-align: top;
    }

    .incontext-editor-action-wrapper {
      position: relative;
    }

    .incontext-editor-open-action {
      @include transition(opacity $tmg-f1 ease-in-out 0);

      opacity: 0;
    }

    .incontext-editor-form {
      width: 100%;
      position: relative;
      top: -($baseline/4);
    }

    // TOOD: abstract this out into a Sass placeholder
    .incontext-editor-input {
      @include transition(box-shadow $tmg-f1 ease-in-out 0, color $tmg-f1 ease-in-out 0);

      width: 100%;
      background: none repeat scroll 0 0 $white;
      border: 0;
      box-shadow: 0 0 2px 2px $shadow inset;

      // STATE: focus
      &:focus {
        box-shadow: 0 0 2px 2px rgba($ui-action-primary-color-focus, 0.5) inset;
        color: $ui-action-primary-color-focus;
      }
    }

    // STATE: hover/focus
    &:hover, &:focus {
      .incontext-editor-open-action {
        opacity: 1;
      }
    }
  }
}

%outline-item-content-hidden {
  display: none;
}

%outline-item-content-shown {
  display: block;
}

.view-outline {

  // page structure
  // --------------------
  .content-primary,
  .content-supplementary {
    @include box-sizing(border-box);
  }

  .content-primary {
    @extend .ui-col-wide;

    .no-content {
      @extend %no-content;
    }
  }

  .content-supplementary {
    @extend .ui-col-narrow;
  }


  // page header
  // --------------------
  .button-toggle-expand-collapse {

    // STATE: action will collapse all
    &.collapse-all {
      .expand-all {
        display: none;
      }

      .collapse-all {
        display: block;
      }
    }

    // STATE: action will expand all
    &.expand-all {
      .collapse-all {
        display: none;
      }

      .expand-all {
        display: block;
      }
    }
  }

  // adding outline elements
  // --------------------

  // forms
  .new-section-name,
  .new-subsection-name-input {
    @extend %t-copy-base;

    display: inline-block;
    width: 515px;
    padding: ($baseline/4);
    vertical-align: top;
  }

  .new-subsection-name-input {
    @extend %t-copy-sub1;
  }

  .new-section-name-save,
  .new-subsection-name-save {
    @include blue-button();

    margin: 0 5px;
    padding: 4px 20px 7px;
    color: $white;
  }

  .new-section-name-cancel,
  .new-subsection-name-cancel {
    @include white-button();

    padding: 4px 20px 7px;
    color: $gray-l1;
  }

  // buttons
  .new-subsection-item,
  .new-unit-item {
    @extend %ui-btn-flat-outline;

    width: 100%;
    margin: 0 0 ($baseline/2) 0;
    border: 1px solid $gray-l3;
    padding: ($baseline/2) 0;
    color: $gray-l2;


    &:hover {
      box-shadow: none;
      background-image: none;
    }
  }

  .courseware-unit-new {
    margin-right: ($baseline*1.5);
  }


  // UI: general action list styles (section and subsection)
  // --------------------
  .expand-collapse {
    @extend %expand-collapse;
  }

  // course status
  // --------------------
  .course-status {
    margin-bottom: $baseline;

    .status-release,
    .status-pacing {
      @extend %t-copy-base;

      display: inline-block;
      color: $color-copy-base;

      // STATE: hover
      &:hover {
        .status-actions {
          opacity: 1;
        }
      }
    }

    .status-release-label,
    .status-release-value,
    .status-pacing-label,
    .status-pacing-value,
    .status-actions {
      display: inline-block;
      vertical-align: middle;
      margin-bottom: 0;
    }

    .status-release-label,
    .status-pacing-label {
      margin-right: ($baseline/4);
    }

    .status-release-value,
    .status-pacing-value {
      @extend %t-strong;
    }

    .status-actions {
      @extend %actions-list;

      @include transition(opacity $tmg-f1 ease-in-out 0);

      margin-left: ($baseline/4);
      opacity: 0;
    }
  }

  // outline
  // --------------------

  // UI: simple version of the outline
  .outline-simple {

  }

  // UI: complex version of the outline
  .outline-complex {
    .outline-content {
      margin-top: 0;
    }

    // outline: items
    .outline-item {

      // CASE: expand/collapse-able
      &.is-collapsible {

        // only select the current item's toggle expansion controls
        &:nth-child(1) .ui-toggle-expansion, &:nth-child(1) .item-title {

          // STATE: hover/active
          &:hover, &:active {
            color: $blue;
          }
        }

        &.is-dragging {
          @include transition-property(none);
        }
      }

      // item: title
      .item-title {

        // STATE: is-editable
        &.is-editable {

          // editor
          + .editor {
            display: block;

            .item-edit-title {
              width: 100%;
            }
          }
        }
      }

      // STATE: drag and drop
      .drop-target-prepend .draggable-drop-indicator-initial {
        opacity: 1;
      }

      // STATE: was dropped
      &.was-dropped {
        border-color: $blue;
      }
    }

    // outline: sections
    // --------------------
    .outline-section {
      padding: ($baseline*0.75) $baseline ($baseline*0.75) ($baseline + 4);

      // header
      .section-header {
        @extend %outline-item-header;

        .incontext-editor-input {
          @extend %t-strong;
          @extend %t-title5;
        }
      }

      .section-header-details {
        @include float(left);

        width: flex-grid(6, 9);

        .icon, .wrapper-section-title {
          display: inline-block;
          vertical-align: top;
        }

        .icon {
          @include margin-right($baseline/4);
        }

        .wrapper-section-title {
          width: flex-grid(5, 6);
          line-height: 0;
        }

        .action-edit.action-inline {
          .icon {
            @include margin-right(0);
            @include transform(none);

            vertical-align: middle;
          }
        }
      }

      .section-header-actions {
        @include float(right);

        width: flex-grid(3, 9);
        margin-top: -($baseline/4);

        @include text-align(right);

        .actions-list {
          @extend %actions-list;
          @extend %t-action2;
        }
      }

      // in-context actions
      .incontext-editor-action-wrapper {
        top: -($baseline/20);
      }

      // status
      .section-status {
        margin: 0 0 0 ($outline-indent-width*1.25);
      }

      // content
      .section-content {
        @extend %outline-item-content-shown;
      }

      // CASE: is-collapsible
      &.is-collapsible {
        @extend %ui-expand-collapse;

        .ui-toggle-expansion {
          @extend %t-icon3;

          color: $gray-l3;
        }
      }

      // STATE: is-collapsed
      &.is-collapsed {
        .section-content {
          @extend %outline-item-content-hidden;
        }
      }

      // STATE: drag and drop - was dropped
      &.was-dropped {
        border-left-color: $ui-action-primary-color-focus;
      }
    }

    // outline: subsections
    // --------------------
    .list-subsections {
      margin: $baseline 0 0 0;
    }

    .outline-subsection {
      padding: ($baseline*0.75);

      // header
      .subsection-header {
        @extend %outline-item-header;

        .incontext-editor-input {
          @extend %t-title6;
        }
      }

      .subsection-header-details {
        @include float(left);

        width: flex-grid(6, 9);

        .icon, .wrapper-subsection-title {
          display: inline-block;
          vertical-align: top;
        }

        .icon {
          @include margin-right($baseline/4);
        }

        .wrapper-subsection-title {
          width: flex-grid(5, 6);
          margin-top: -($baseline/10);
          line-height: 0;
        }

        .action-edit.action-inline {
          .icon {
            @include transform(none);

            margin-right: 0;
            vertical-align: middle;
          }
        }
      }

      .subsection-header-actions {
        @include float(right);

        width: flex-grid(3, 9);
        margin-top: -($baseline/4);

        @include text-align(right);

        .actions-list {
          @extend %actions-list;
          @extend %t-action2;

          margin-right: ($baseline/2);
        }
      }

      // in-context actions
      .incontext-editor-action-wrapper {
        top: -($baseline/10);
      }

      // status
      .subsection-status {
        @include margin(0, 0, 0, $outline-indent-width);
      }

      // content
      .subsection-content {
        @extend %outline-item-content-shown;
      }

      // CASE: is-collapsible
      &.is-collapsible {
        @extend %ui-expand-collapse;

        .ui-toggle-expansion {
          @extend %t-icon4;

          color: $gray-l3;
        }
      }

      // STATE: is-collapsed
      &.is-collapsed {
        .subsection-content {
          @extend %outline-item-content-hidden;
        }
      }
    }

    // outline: units
    // --------------------
    .list-units {
      margin: $baseline 0 0 0;
    }

    .outline-unit {
      @include transition(margin $tmg-f2 linear 0s); // needed for drag and drop transitions

      margin-left: $outline-indent-width;

      // header
      .unit-header {
        @extend %outline-item-header;
      }

      .unit-header-details {
        @include float(left);

        width: flex-grid(6, 9);
        margin-top: ($baseline/4);
      }

      .unit-header-actions {
        @include float(right);

        width: flex-grid(3, 9);
        margin-top: -($baseline/10);

        @include text-align(right);

        .actions-list {
          @extend %actions-list;
          @extend %t-action2;
        }
      }
    }

    // add/new items
    .add-item {
      margin-top: ($baseline*0.75);

      .button-new {
        @extend %ui-btn-flat-outline;

        padding: ($baseline/2) $baseline;
        display: block;

        .icon {
          display: inline-block;
          vertical-align: middle;

          @include margin-right($baseline/2);
        }
      }
    }

    .add-section {
      margin-bottom: $baseline;
    }

    .add-subsection {

    }

    .add-unit {
      margin-left: $outline-indent-width;
    }
  }


  // UI: drag and drop: section
  // --------------------
  .outline-section {
    .ui-splint-indicator {
      height: ($baseline/10);
      margin-left: ($baseline/4);
    }

    .draggable-drop-indicator-before {
      top: -($baseline*0.75);
      left: 0;
    }

    .draggable-drop-indicator-after {
      bottom: -($baseline*0.75);
      left: 0;
    }
  }

  // UI: drag and drop: subsection
  .outline-subsection {
    .ui-splint-indicator {
      height: ($baseline/10);
      margin-left: ($baseline*1.25);
    }

    .draggable-drop-indicator-before {
      top: -($baseline*0.75);
    }

    .draggable-drop-indicator-after {
      bottom: -($baseline*0.75);
    }
  }

  // // UI: drag and drop: unit
  .outline-unit {
    .draggable-drop-indicator-before {
      top: -($baseline*0.75);
    }

    .draggable-drop-indicator-after {
      bottom: -($baseline*0.75);
    }
  }

  // UI: drag and drop: splints
  .ui-splint-indicator {
    position: relative;

    .draggable-drop-indicator {
      @extend %ui-depth3;

      @include transition(opacity $tmg-f2 linear 0s);
      @include size(100%, auto);

      position: absolute;
      border-top: 1px solid $blue-l1;
      opacity: 0;

      .fa-caret-right {
        @extend %t-icon5;

        position: absolute;
        top: -12px;
        left: -($baseline/4);
        color: $blue-s1;
      }
    }

    .draggable-drop-indicator-before {
      top: -($baseline/2);
    }

    .draggable-drop-indicator-after {
      bottom: -($baseline/2);
    }
  }

  // outline: edit item settings
  .wrapper-modal-window-bulkpublish-section,
  .wrapper-modal-window-bulkpublish-subsection,
  .wrapper-modal-window-bulkpublish-unit,
  .course-outline-modal {
    .list-fields {
      .field {
        display: inline-block;
        vertical-align: top;
        margin-right: ($baseline/2);
        margin-bottom: ($baseline/4);


        // TODO: refactor the _forms.scss partial to allow for this area to inherit from it
        label, input, textarea {
          display: block;
        }

        label {
          @extend %t-copy-sub1;

          @include transition(color $tmg-f3 ease-in-out 0s);

          margin: 0 0 ($baseline/4) 0;
          font-weight: 600;

          &.is-focused {
            color: $blue;
          }
        }


        input, textarea {
          @extend %t-copy-base;

          @include transition(all $tmg-f2 ease-in-out 0s);

          height: 100%;
          width: 100%;
          padding: ($baseline/2);

          // CASE: long length
          &.long {
            width: 100%;
          }

          // CASE: short length
          &.short {
            width: 25%;
          }
        }

        // CASE: specific release + due times/dates
        .start-date,
        .start-time,
        .due-date,
        .due-time {
          width: ($baseline*7);
        }
      }

      // CASE: select input
      .field-select {
        .label, .input {
          display: inline-block;
          vertical-align: middle;
        }

        .label {
          margin-right: ($baseline/2);
        }

        .input {
          width: 100%;
        }
      }
    }

    .edit-settings-grading {
      .grading-type {
        margin-bottom: $baseline;
      }
    }
  }

  // outline: bulk publishing items
  .bulkpublish-section-modal,
  .bulkpublish-subsection-modal,
  .bulkpublish-unit-modal {
    .modal-introduction {
      color: $gray-d2;
    }

    .modal-section .outline-bulkpublish {
      max-height: ($baseline*20);
      overflow-y: auto;
    }

    .outline-section,
    .outline-subsection {
      border: none;
      padding: 0;
    }

    .outline-subsection {
      margin-bottom: $baseline;
      padding-right: ($baseline/4);
    }

    .outline-subsection .subsection-title {
      @extend %t-title8;

      margin-bottom: ($baseline/4);
      font-weight: 600;
      color: $gray-l2;
      text-transform: uppercase;
    }

    .outline-unit .unit-title, .outline-unit .unit-status {
      display: inline-block;
      vertical-align: middle;
    }

    .outline-unit .unit-title {
      @extend %t-title7;

      color: $color-heading-base;
    }

    .outline-unit .unit-status {
      @extend %t-copy-sub2;

      text-align: right;
    }

  }

  // it is the only element there
  .bulkpublish-unit-modal {
    .modal-introduction {
      margin-bottom: 0;
    }
  }

}
