perspective 2.0.0

/******************************************************************************
 *
 * Copyright (c) 2017, the Perspective Authors.
 *
 * This file is part of the Perspective library, distributed under the terms of
 * the Apache License 2.0.  The full license can be found in the LICENSE file.
 *
 */

// TODO this could be a class
@mixin icon {
    background-repeat: no-repeat;
    background-color: var(--icon--color);
    content: "";
    display: inline-block;
    -webkit-mask-size: cover;
    mask-size: cover;
}

:host {
    .column-selector-column-title {
        display: flex;
        width: 100%;
        flex-direction: row !important;
        align-items: center;
    }

    .column_name {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        flex: 0 1 auto;
        padding-left: 23px;
        padding-right: 5px;
        display: inline-block;
        align-items: center;

        &:only-child {
            padding-right: 12px;
        }
    }

    .column-selector--spacer {
        width: 67px;
        flex: 0 100000000 67px;
    }

    .show-aggregate .column-selector--spacer {
        width: 0px;
    }

    .show-aggregate {
        .column_name:only-child {
            padding-right: 12px;
        }
    }

    #sub-columns .column_name:only-child {
        padding-right: 12px;
    }
}

// Column type icons
:host {
    .column_name:before {
        height: 13px;
        width: 13px;
        position: absolute;
        left: 15px;
        top: 4.5px;
        @include icon;
    }

    .integer:before {
        -webkit-mask-image: var(--column-type-integer--mask-image);
        mask-image: var(--column-type-integer--mask-image);
    }

    .float:before {
        -webkit-mask-image: var(--column-type-float--mask-image);
        mask-image: var(--column-type-float--mask-image);
    }

    .string:before {
        -webkit-mask-image: var(--column-type-string--mask-image);
        mask-image: var(--column-type-string--mask-image);
    }

    .boolean:before {
        -webkit-mask-image: var(--column-type-boolean--mask-image);
        mask-image: var(--column-type-boolean--mask-image);
    }

    .date:before {
        -webkit-mask-image: var(--column-type-date--mask-image);
        mask-image: var(--column-type-date--mask-image);
    }

    .datetime:before {
        -webkit-mask-image: var(--column-type-datetime--mask-image);
        mask-image: var(--column-type-datetime--mask-image);
    }
}

:host {
    #side_panel {
        background: url(../svg/bg-pattern.png);
        background-size: 4px;

        #add-expression {
            border: var(--column-add--border, none);
            min-height: 24px;
            flex-direction: row;
            font-size: 12px;
            border: 1px solid transparent;
            background-color: #8b868045;
            border-radius: 2px;
            display: flex;
            align-items: center;
            margin-right: 7px;
            cursor: pointer;

            // Button icon
            &:before {
                @include icon;
                width: 14px;
                height: 14px;
                margin-left: 12px;
                -webkit-mask-image: var(--add-expression-icon--mask-image);
                mask-image: var(--add-expression-icon--mask-image);
            }

            // Text label of the button e.g. "New Column"
            & > span {
                align-self: center;
                margin-left: 7.5px;
                text-overflow: ellipsis;
                white-space: nowrap;
                pointer-events: none;
            }

            &.modal-target,
            &.dragdrop-hover {
                color: var(--plugin--background);
                background-color: var(--icon--color);
                &:before {
                    background-color: var(--plugin--background);
                }
            }

        }

        .dragdrop-highlight {
            .pivot-column-border,
            .column-selector-column-border {
                border: 1px solid var(--icon--color);
            }
        }

        .column-selector-column-border,
        .pivot-column-border {
            &.snap-drag-image {
                background-color: var(--plugin--background) !important;
                border: 1px solid var(--icon--color) !important;
                position: absolute !important;
                pointer-events: none;
                left: 0;
                z-index: -100000;
                width: 100%;
                height: 24px;

                .sort-icon,
                label,
                .dropdown-width-container {
                    display: none;
                }

                .aggregate-selector-wrapper {
                    min-width: 0px;
                    max-width: 0px;
                }
            }
        }

        .column-selector-column-border {
            flex: 1 1 auto;
            overflow: hidden;
            position: relative;
            display: inline-flex;
            border: 1px solid transparent;
            border-radius: 2px;
        }

        .column-selector-border.snap-drag-image {
            & > *:not(.column_name) {
                display: none;
            }

            .column_name {
                padding-left: 23px !important;
            }
        }

        .dragdrop-highlight .column-selector-column .column-selector-border,
        .dragdrop-highlight .column-selector-column .column-selector-draggable.empty-named,
        .dragdrop-highlight #top_panel .pivot-column.column-empty .pivot-column-draggable {
            border-color: var(--icon--color);
        }

        .column-selector-column {
            display: flex;
            flex-direction: row-reverse;
            align-items: center;
            font-size: 12px;

            // Expression column toolbar buttons
            span.expression-edit-button,
            span.expression-delete-button {
                padding-top: 1px;
                font-family: var(--button--font-family, inherit);
                cursor: pointer;
                opacity: 1;
                color: #999;

                &:hover {
                    opacity: 1;
                    color: var(--active--color, #000);
                }
            }

            span.expression-delete-button {
                // padding-right: 1.5px;
                padding-left: 5px;
                margin-right: 8px;
                margin-left: auto;

                &:before {
                    content: var(--column-close--content, "close");
                }
            }

            span.expression-delete-button + span.expression-edit-button {
                margin-left: 0px;
            }

            span.expression-edit-button {
                padding-right: 8px;
                margin-left: auto;

                &:before {
                    @include icon;
                    height: 14px;
                    width: 14px;
                    -webkit-mask-image: var(--column-settings-icon--mask-image);
                    mask-image: var(--column-settings-icon--mask-image);
                }
            }

            .column-selector-draggable {
                cursor: move;
                display: flex;
                align-items: start;
                font-size: 12px;
                flex-grow: 1;
                color: inherit;
                box-sizing: border-box;
                flex-direction: row;
                align-items: stretch;
                position: relative;
                min-height: 28px;
                padding-bottom: 4px;

                &.show-aggregate {
                    .column_name {
                        padding-left: 5px;
                    }
                }

                &.empty-named {
                    cursor: auto ;
                    padding-bottom: 0px;
                    margin-bottom: 4px;
                    min-height: 24px;
                }

                &:not(.empty-named) .column-selector-column-border:before {
                    margin: 0px 0 0 6px; // TODO
                    flex: 0 0 auto; // TODO
                    @include icon;
                    height: 12px;
                    width: 5px;
                    -webkit-mask-image: var(--column-drag-handle--mask-image);
                    mask-image: var(--column-drag-handle--mask-image);
                }
            }
        }

        .is_column_active.inactive {
            min-width: 0px;
            margin: 0 6px 0 0;
        }

        .is_column_active {
            display: inline-flex;
            overflow: hidden;
            padding-bottom: 4px;
            flex: 0 0 auto;
            cursor: pointer;
            font-size: var(--column-selector--font-size, 14px);
            font-family: var(
                --column-selector--font-family,
                var(--button--font-family, inherit)
            ) !important;

            &.select-mode {
                margin: 0 6.5px;
                // Width of the icon, which is not always present
                min-width: 14px;
            }

            &,
            &.toggle-mode {
                margin: 0 6.5px;
                min-width: 14px;
            }
        }

        #selected-columns {
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        #active-columns,
        #sub-columns {
            display: flex;
            flex: 0 1 auto;
            overflow-x: hidden !important;
            overflow-y: scroll;
            min-height: 20%;

            &::-webkit-scrollbar-thumb {
                border: 0 solid var(--icon--color);
                border-left-width: 1px;
            }

            &::-webkit-scrollbar-thumb:hover {
                background-color: rgba(0, 0, 0, 0.1);
            }

            &::-webkit-scrollbar,
            &::-webkit-scrollbar-corner {
                background-color: transparent;
                width: 6px;
            }
        }

        #sub-columns:before {
            font-size: 9px;
            padding: var(--column_type--padding, 0px 0px 0px 0px);
            position: absolute;
            margin-top: 14px;
            top: 0;
            content: "All Columns";
        }

        #sub-columns #add-expression {
            margin-top: 28px;
            margin-bottom: 4px;
        }

        #sub-columns .column-selector-column.column-selector-column-hidden {
            overflow: hidden;
            height: 0;
            margin-bottom: 0px;
        }

        #sub-columns {
            position: relative;
            flex: 0 10000000 auto;
        }

        #active-columns {
            display: flex;
            padding-bottom: 8px;

            .is_column_active:before {
                @include icon;
            }

            .is_column_active.select-mode {
                &:before {
                    width: 14px;
                    height: 14px;
                    -webkit-mask-image: var(--column-radio-on--mask-image);
                    mask-image: var(--column-radio-on--mask-image);
                }

                &:not(.required):hover:before {
                    -webkit-mask-image: var(--column-radio-hover--mask-image);
                    mask-image: var(--column-radio-hover--mask-image);
                }
            }

            .is_column_active.toggle-mode {
                &:before {
                    width: 14px;
                    height: 14px;
                    -webkit-mask-image: var(--column-checkbox-on--mask-image);
                    mask-image: var(--column-checkbox-on--mask-image);
                }

                &:not(.required):hover:before {
                    -webkit-mask-image: var(
                        --column-checkbox-hover--mask-image
                    );
                    mask-image: var(--column-checkbox-hover--mask-image);
                }
            }

            .is_column_active {
                &.required {
                    // color: var(--inactive--color, #ccc);
                    opacity: 0.3;
                    cursor: not-allowed;
                    cursor: initial;
                }

                &.inactive:before {
                    content: "";
                    background: none;
                }
            }

            .column-selector-column {
                position: relative;

                .column-selector-draggable {
                    width: calc(100% - 27px);
                }

                .column-selector-column-border {
                    border-color: var(--inactive--color);
                    background-color: var(--plugin--background);
                }

                &:before {
                    font-size: 9px;
                    left: 0px;
                    padding: var(--column_type--padding, 0px 0px 0px 0px);
                    position: absolute;
                    margin-top: -43px;
                    content: attr(data-label);
                }

                &[data-label] {
                    margin-top: 22px;
                }
            }
        }

        .dragover,
        .column-selector-column .column-selector-draggable.empty-named {
            background-color: #8b868045;
            border-color: transparent;
            border-radius: 2px;
        }

        .dragover-container .is_column_active {
            opacity: 0;
            margin: 0 6px 0 0;
            min-width: 0px;
            width: 0px;
        }

        .column-selector-column .column-selector-draggable.dragover {
            border: 1px solid var(--icon--color);
            position: relative;
            &:before {
                content: " ";
                position: absolute;
                z-index: -1;
                top: 5px;
                left: 5px;
                right: 5px;
                bottom: 5px;
                border-radius: 2px;
                background-color: var(--icon--color);
                opacity: 0.3;
            }

            & > * {
                opacity: 0;
            }
        }

        .column-selector-column {
            .column-selector-column-border {
                background-color: #8b868045;
                border: 1px solid transparent;
                align-items: center;
            }
        }

        #active-columns .column-selector-column.dragdrop-hover,
        #active-columns.dragdrop-highlight .column-selector-column,
        .column-selector-column.dragdrop-hover {
            .column-selector-column-border {
                border-color: var(--icon--color);
            }
        }

        // Inactive Columns are the columns in the column selector not currently
        // selected for the `columns` field of the `ViewConfig`.
        #sub-columns {
            & > div:not(:empty) {
                margin-bottom: 6px;
            }

            &:empty {
                display: none;
                margin: 0px;
            }

            .is_column_active:before {
                @include icon;
            }

            .is_column_active.select-mode {
                &:before {
                    width: 14px;
                    height: 14px;
                    -webkit-mask-image: var(--column-radio-off--mask-image);
                    mask-image: var(--column-radio-off--mask-image);
                }
                &:hover:before {
                    -webkit-mask-image: var(--column-radio-hover--mask-image);
                    mask-image: var(--column-radio-hover--mask-image);
                }
            }

            .is_column_active.toggle-mode {
                &:before {
                    width: 14px;
                    height: 14px;
                    -webkit-mask-image: var(--column-checkbox-off--mask-image);
                    mask-image: var(--column-checkbox-off--mask-image);
                }

                &:hover:before {
                    -webkit-mask-image: var(
                        --column-checkbox-hover--mask-image
                    );
                    mask-image: var(--column-checkbox-hover--mask-image);
                }
            }

            .column-selector-column {
                .column-selector-draggable {
                    width: calc(100% - 27px);
                }
            }
        }
    }
}