/*****************************************************************************
 * Open MCT, Copyright (c) 2014-2017, United States Government
 * as represented by the Administrator of the National Aeronautics and Space
 * Administration. All rights reserved.
 *
 * Open MCT is licensed under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0.
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 * Open MCT includes source code licensed under additional open source
 * licenses. See the Open Source Licenses file (LICENSES.md) included with
 * this source code distribution or the Licensing information page available
 * at runtime from the About dialog for additional information.
 *****************************************************************************/
.l-timeline-holder {
    .l-timeline-pane {
        &.t-pane-h {
            &.l-timeline-resource-legend {
                .l-legend-items {
                    color: $timelineResourceGraphLegendFg;
                }
            }
        }
    }

    // Follow Line
    .l-follow-line {
        // TODO: move before and after into l-timeline-gantt so those only render in that pane
        pointer-events: none;
        position: absolute;
        top: 0; bottom: 0;
        width: 1px;
        z-index: 9; // Just below .l-hover-btns-holder
    }
}

.l-timeline-gantt {
    .l-follow-line {
        $d: 0.8rem;
        top: $interiorMargin;
        &:before,
        &:after {
            content: '';
            display: block;
            height: $d;
            width: $d;
            position: absolute;
            top: 0;
            @include transform(translateX(-50%));
        }
        &:before {
            // Icon blocker
            width: 2 * $d;
        }
        &:after {
            // Icon
            font-size: $d;
            line-height: $d;
            text-align: center;
        }
    }

}

.s-timeline-gantt {
    .bar {
        color: $colorGanttBarFg;
        @include activityBg($colorGanttBarBg);
        box-shadow: $shdwGanttBar;
        .s-toggle {
            color: $colorGanttToggle;
        }
    }
}

.s-timeline-tabular {
    .l-header .l-cols {
        .l-col {
            border-left: 1px solid pullForward($timelineHeaderColorBg, 15%);
        }
    }

    .l-pane-l {
        // Left pane of the tabular area
        .l-cols {
            .t-object-label .t-item-icon {
                color: pullForward($colorGanttBarBg, 10%);
            }
        }
    }
}

.edit-mode .s-timeline-gantt,
.s-status-editing .s-timeline-gantt {
    .bar {
        &:hover {
            @include background-image(linear-gradient(lighten($colorGanttBarBg, 20), lighten($colorGanttBarBg, 10)));
        }
    }
}

//*************************************************************** STYLING
.s-timeline {
    font-size: 0.75rem;
    .s-header {
        background-color: $timelineHeaderColorBg;
    }
    .s-swimlane {
        border-bottom: 1px solid pullForward($colorBodyBg, 10%);
        line-height: $activityBarH + 2 + 1;
        &.exceeded {
            @include bgDiagonalStripes(#fff, 0.05, $timelineSwimlaneH + 1);
        }

        &.selected {
            background-color: $colorSwimlaneSelectedBg;
            color: $colorSwimlaneSelectedFg;

            .s-timeline-gantt .bar {
                @include activityBg($colorGanttBarSelectedBg, 10);
                color: $colorGanttBarSelectedFg;
            }
        }

        &.drop-into {
            background-color: rgba($colorDropTarg, 0.7);
            .s-timeline-gantt {
                opacity: 0.7;
            }
        }
        &.drop-after {
            background-color: rgba(#000, 0.2);
            border-bottom-color: rgba($colorDropTarg, 1.0);
        }
    }

    .s-ticks {
        @include bgTicks(   $timelineColorAlt1);
    }
    .s-hover-btns-holder {
        $bg: $timelineHeaderColorBg;
        $l: 5%;
        @include user-select(none);
        @include background-image(linear-gradient(-90deg, rgba($bg, 1), rgba($bg, 1) 70%, rgba($bg, 0) 100%));
        .s-button {
            height: 16px;
            line-height: 16px;
            .icon {
                font-size: 0.7rem !important;
            }
        }
    }

    .l-timeline-resource-graph {
        .l-graph {
            background: $timelineResourceGraphBg;
        }
        .l-title {
            color: $timelineResourceGraphFg;
        }
    }

    .s-follow-line {
        background: rgba($timeControllerToiLineColor, 0.5);
    }

    .s-timeline-gantt {
        .s-follow-line {
            &:after {
                // Icon
                color: $timeControllerToiLineColor;
                content: $glyph-icon-timer;
                font-family: symbolsfont;
                text-shadow: $shdwItemText;
            }
            &:before {
                // Blocker
                $bg: $timelineHeaderColorBg;
                $l: 30%;
                @include background-image(linear-gradient(90deg, rgba($bg, 0), rgba($bg, 1) $l, rgba($bg, 1) 100% - $l, rgba($bg, 0)));

            }
        }
    }
}