/**
 * The toolbox widget displays a set of tools the user can use to edit the
 * content of the page.
 */

.ct-widget {
    /**
     * Define the spacing for the toolbox:
     *
     * spacing / 1 = the padding around the contents of the toolbox.
     * spacing / 1 = the vertical padding around the toolbox's grip.
     * spacing / 2 = the margin between each tool.
     * spacing / 2 = the vertical padding around each tool group.
     */
    $spacing: 8px;
    $spacing-half: 4px;

    /**
     * The size of a tool.
     */
    $tool-size: 32px;

    &.ct-toolbox {
        /**
         * The position of the toolbox is typically determined by the position
         * the user last placed it (this information is stored in local
         * storage). However we set a default position for the first time the
         * toolbox is displayed.
         */
        background: rgba($in-page-background, 0.9);
        border: 1px solid rgba(lighten($in-page-background, 10%), 0.5);
        box-shadow: 0 3px 3px $shadow-color;
        left: 128px;
        padding: $spacing;
        position: fixed;
        top: 128px;
        width: 138px;

        /**
         * When the toolbox is being dragged to a new position by the user the
         * dragging modifier is applied. Whilst being dragged we reduce the
         * opacity of the toolbox to make it easier for the user to see the
         * content being dragged over.
         */
        &--dragging {
            opacity: 0.5;
        }
    }


    /**
     * The grip is positioned at the top of the toolbox. If the user clicks and
     * holds the mouse down whilst over the grip then the toolbox will be
     * draggable until they release the mouse button.
     */
    .ct-toolbox {
        &__grip {
            padding: $spacing 0;
        }
    }


    /**
     * Tools are organized into groups of related tools.
     */
    .ct-tool-group {
        /**
         * Tools are floated to align horizontally so each group must clear its
         * children.
         */
        @include clearfix;
        padding: $spacing-half 0;

        &:first-child {
            padding-top: 0;
        }
    }


    /**
     * The toolbox features a set of tools for editing the page content.
     */
    .ct-tool {
        border-radius: 2px;
        color: $icon-color;
        cursor: pointer;
        float: left;
        height: $tool-size;
        margin: $spacing-half;
        margin-right: 4px;
        position: relative;
        text-align: center;
        @include type-icons;
        @include type-tooltip(
            $parent-width: $tool-size,
            $parent-height: $tool-size
            );
        width: $tool-size;

        // We use the before pseudo element to display the tools associated icon
        &:before {
            line-height: $tool-size;
        }

        /**
         * Tools are displayed in rows of 3 so re remove margin from the last
         * (3rd) tool in every row.
         */
        &:nth-child(3n) {
            margin-right: 0;
        }

        &:hover {
            background: rgba(white, 0.5);
        }

        /**
         * The following modifiers reflect the state of the tool.
         */

        /**
         * The tools is currently disabled and cannot be selected (the hover
         * style is also disabled).
         */
        &--disabled {
            color: rgba($icon-color, 0.33);

            &:hover {
                background: transparent;
            }
        }

        /**
         * The button has been clicked on and the mouse button is still in the
         * down state.
         */
        &--down {
            background: rgba(black, 0.025);
            box-shadow: inset 0 1px 3px rgba(black, 0.25);
            line-height: $tool-size + 2;

            &:hover {
                background: rgba(black, 0.025);
            }
        }

        /**
         * The tool is currently applied to the selected element, and if there
         * is one text selection.
         */
        &--applied {
            background: rgba(black, 0.1);
            box-shadow: inset 0 1px 3px rgba(black, 0.25);

            &:hover {
                background: rgba(black, 0.15);
            }
        }

        /**
         * Each of the modifiers below sets the content of the pseudo before
         * element to match the required icon. The list is ordered by the
         * position each tool in the default toolbox (as opposed to
         * alphabetically).
         */
        &--bold:before           { content: "\ea62"; }
        &--heading:before        { content: "H"    ; font-weight: bold; }
        &--subheading:before     { content: "H"    ; }
        &--paragraph:before      { content: "P"    ; }
        &--preformatted:before   { content: "\ea80"; }
        &--italic:before         { content: "\ea64"; }
        &--link:before           { content: "\e9cb"; }
        &--align-left:before     { content: "\ea77"; }
        &--align-center:before   { content: "\ea78"; }
        &--align-right:before    { content: "\ea79"; }
        &--unordered-list:before { content: "\e9ba"; }
        &--ordered-list:before   { content: "\e9b9"; }
        &--table:before          { content: "\ea71"; }
        &--indent:before         { content: "\ea7b"; }
        &--unindent:before       { content: "\ea7c"; }
        &--line-break:before     { content: "\ea6e"; }
        &--image:before          { content: "\e90d"; }
        &--video:before          { content: "\ea98"; }
        &--undo:before           { content: "\e965"; }
        &--redo:before           { content: "\e966"; }
        &--remove:before         { content: "\e9ac"; }

    } // .ct-tool

} // .ct-widget