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Highlight dragged and target items when dragging in the file tree (#15384)
GitOrigin-RevId: 4eaace34434753f6674724adafcf3b0754365d15
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parent
e22c1d70f3
commit
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5 changed files with 76 additions and 46 deletions
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@ -1,6 +1,5 @@
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import { useRef } from 'react'
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import PropTypes from 'prop-types'
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import { useDragLayer } from 'react-dnd'
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import classNames from 'classnames'
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// a custom component rendered on top of a draggable area that renders the
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@ -8,12 +7,12 @@ import classNames from 'classnames'
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// https://react-dnd.github.io/react-dnd/examples/drag-around/custom-drag-layer
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// for more details.
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// Also used to display a container border when hovered.
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function FileTreeDraggablePreviewLayer({ isOver }) {
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const { isDragging, item, clientOffset } = useDragLayer(monitor => ({
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isDragging: monitor.isDragging(),
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item: monitor.getItem(),
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clientOffset: monitor.getClientOffset(),
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}))
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function FileTreeDraggablePreviewLayer({
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isOver,
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isDragging,
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item,
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clientOffset,
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}) {
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const ref = useRef()
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return (
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@ -39,6 +38,11 @@ function FileTreeDraggablePreviewLayer({ isOver }) {
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FileTreeDraggablePreviewLayer.propTypes = {
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isOver: PropTypes.bool.isRequired,
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isDragging: PropTypes.bool.isRequired,
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item: PropTypes.shape({
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title: PropTypes.string.isRequired,
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}),
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clientOffset: PropTypes.number,
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}
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function DraggablePreviewItem({ title }) {
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@ -11,6 +11,7 @@ import FileTreeItemName from './file-tree-item-name'
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import FileTreeItemMenu from './file-tree-item-menu'
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import { useFileTreeSelectable } from '../../contexts/file-tree-selectable'
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import { useFileTreeActionable } from '../../contexts/file-tree-actionable'
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import { useDragDropManager } from 'react-dnd'
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function FileTreeItemInner({ id, name, isSelected, icons }) {
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const { permissionsLevel } = useEditorContext(editorContextPropTypes)
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@ -24,7 +25,9 @@ function FileTreeItemInner({ id, name, isSelected, icons }) {
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isSelected &&
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selectedEntityIds.size === 1
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const { isDragging, dragRef, setIsDraggable } = useDraggable(id)
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const { dragRef, setIsDraggable } = useDraggable(id)
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const dragDropItem = useDragDropManager().getMonitor().getItem()
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const itemRef = useRef()
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@ -58,7 +61,7 @@ function FileTreeItemInner({ id, name, isSelected, icons }) {
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return (
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<div
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className={classNames('entity', {
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'dnd-draggable-dragging': isDragging,
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'file-tree-entity-dragging': dragDropItem?.draggedEntityIds?.has(id),
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})}
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role="presentation"
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ref={dragRef}
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@ -19,6 +19,8 @@ import { useDroppable } from '../contexts/file-tree-draggable'
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import { useFileTreeSocketListener } from '../hooks/file-tree-socket-listener'
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import FileTreeModalCreateFile from './modals/file-tree-modal-create-file'
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import FileTreeInner from './file-tree-inner'
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import { useDragLayer } from 'react-dnd'
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import classnames from 'classnames'
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const FileTreeRoot = React.memo(function FileTreeRoot({
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refProviders,
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@ -66,14 +68,24 @@ function FileTreeRootFolder() {
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const { isOver, dropRef } = useDroppable(fileTreeData._id)
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const dragLayer = useDragLayer(monitor => ({
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isDragging: monitor.isDragging(),
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item: monitor.getItem(),
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clientOffset: monitor.getClientOffset(),
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}))
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return (
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<>
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<FileTreeDraggablePreviewLayer isOver={isOver} />
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<FileTreeDraggablePreviewLayer isOver={isOver} {...dragLayer} />
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<FileTreeFolderList
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folders={fileTreeData.folders}
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docs={fileTreeData.docs}
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files={fileTreeData.fileRefs}
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classes={{ root: 'file-tree-list' }}
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classes={{
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root: classnames('file-tree-list', {
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'file-tree-dragging': dragLayer.isDragging,
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}),
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}}
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dropRef={dropRef}
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dataTestId="file-tree-list-root"
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/>
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@ -88,7 +88,7 @@ export function useDraggable(draggedEntityId) {
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const [isDraggable, setIsDraggable] = useState(true)
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const item = { type: DRAGGABLE_TYPE }
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const [{ isDragging }, dragRef, preview] = useDrag({
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const [{ isDragging, draggedEntityIds }, dragRef, preview] = useDrag({
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item, // required, but overwritten by the return value of `begin`
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begin: () => {
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const draggedEntityIds = getDraggedEntityIds(
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@ -104,6 +104,7 @@ export function useDraggable(draggedEntityId) {
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isDragging: !!monitor.isDragging(),
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}),
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canDrag: () => permissionsLevel !== 'readOnly' && isDraggable,
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end: () => item,
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})
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// remove the automatic preview as we're using a custom preview via
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@ -116,6 +117,7 @@ export function useDraggable(draggedEntityId) {
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dragRef,
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isDragging,
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setIsDraggable,
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draggedEntityIds,
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}
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}
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@ -67,22 +67,6 @@
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}
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}
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li.dnd-droppable-hover .entity-name,
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li .entity-name.droppable-hover {
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font-weight: bold;
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background-color: @file-tree-item-hover-bg;
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.fake-full-width-bg(@file-tree-item-hover-bg);
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}
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ul.droppable-hover li div.entity-name:hover {
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background-color: transparent;
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.fake-full-width-bg(transparent);
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&.droppable-hover {
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background-color: @file-tree-item-hover-bg;
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.fake-full-width-bg(@file-tree-item-hover-bg);
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}
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}
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ul.file-tree-list {
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margin: 0;
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overflow-x: hidden;
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@ -144,10 +128,10 @@
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&:focus {
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outline: none;
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}
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background-color: transparent;
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&:hover {
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background-color: @file-tree-item-hover-bg;
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}
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&:hover {
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// When the entity is a subfolder, the DOM element is "indented" via margin-left. This makes the
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// element not fill the entire file-tree width (as it's spaced from the left-hand side via margin)
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// and, in consequence, the background gets clipped. The ::before pseudo-selector is used to fill
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@ -163,13 +147,6 @@
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}
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}
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.entity.dnd-draggable-dragging {
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.entity-name:hover {
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background-color: transparent;
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.fake-full-width-bg(transparent);
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}
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}
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i.fa {
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color: @file-tree-item-icon-color;
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font-size: 14px;
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@ -309,15 +286,18 @@
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> .entity {
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> .entity-name {
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color: @file-tree-item-selected-color;
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> div > i.fa,
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> button > i.fa,
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> i.fa,
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.entity-menu-toggle i.fa {
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color: @file-tree-item-selected-color;
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}
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> i.linked-file-highlight {
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color: @blue;
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}
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background-color: @file-tree-item-selected-bg;
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font-weight: bold;
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padding-right: 32px;
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@ -332,13 +312,43 @@
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}
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}
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}
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ul.file-tree-list li.selected.dnd-droppable-hover {
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> .entity {
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> .entity-name {
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background-color: @file-tree-item-hover-bg;
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.fake-full-width-bg(@file-tree-item-hover-bg);
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}
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}
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}
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// while dragging, the previously selected item gets no highlight
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ul.file-tree-list.file-tree-dragging li.selected .entity .entity-name {
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font-weight: normal;
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background-color: transparent;
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.fake-full-width-bg(transparent);
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color: @file-tree-item-color;
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i.fa {
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color: @file-tree-item-icon-color !important;
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}
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}
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// the items being dragged get the full "hover" colour
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ul.file-tree-list.file-tree-dragging
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li
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.entity.file-tree-entity-dragging
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.entity-name {
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background-color: fade(@file-tree-item-hover-bg, 90%);
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.fake-full-width-bg(fade(@file-tree-item-hover-bg, 90%));
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color: @file-tree-item-color;
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i.fa {
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color: @file-tree-item-icon-color !important;
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}
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}
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// the drop target gets the "selected" colour
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ul.file-tree-list.file-tree-dragging
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li.dnd-droppable-hover
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.entity
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.entity-name {
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background-color: @file-tree-item-selected-bg;
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.fake-full-width-bg(@file-tree-item-selected-bg);
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color: @file-tree-item-selected-color;
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i.fa {
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color: @file-tree-item-selected-color !important;
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}
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}
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}
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}
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.dnd-draggable-preview-item,
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.ui-draggable-dragging {
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.dnd-draggable-preview-item {
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background-color: fade(@file-tree-item-selected-bg, 60%);
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color: @file-tree-item-selected-color;
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width: 75%;
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