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feat: Sticky actions in navigator #4818

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Feb 3, 2025
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23 changes: 12 additions & 11 deletions packages/design-system/src/components/tree.tsx
Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ import { TreePositionIndicator } from "./list-position-indicator";

const treeNodeLevel = "--tree-node-level";
const treeNodeOutline = "--tree-node-outline";
const treeNodeBackgroundColor = "--tree-node-background-color";
const treeActionOpacity = "--tree-action-opacity";
const treeDepthBarsVisibility = "--tree-depth-bars-visibility";
const treeDepthBarsColor = "--tree-depth-bars-color";
Expand All @@ -39,7 +40,6 @@ const ITEM_PADDING_LEFT = 8;
const ITEM_PADDING_RIGHT = 10;
const BARS_GAP = 16;
const EXPAND_WIDTH = 24;
const ACTION_WIDTH = 24;

const TreeContainer = ({ children }: { children: ReactNode }) => {
const focusManager = useFocusManager();
Expand Down Expand Up @@ -97,16 +97,15 @@ const NodeContainer = styled("div", {
position: "relative",
height: ITEM_HEIGHT,
"&:hover, &:has(:focus-visible), &:has([aria-current=true])": {
backgroundColor: theme.colors.backgroundHover,
[treeNodeBackgroundColor]: theme.colors.backgroundHover,
backgroundColor: `var(${treeNodeBackgroundColor})`,
[treeActionOpacity]: 1,
},
"&:has([aria-selected=true])": {
backgroundColor: theme.colors.backgroundItemCurrent,
[treeNodeBackgroundColor]: theme.colors.backgroundItemCurrent,
backgroundColor: `var(${treeNodeBackgroundColor})`,
[treeDepthBarsColor]: theme.colors.borderItemChildLineCurrent,
},
"&:has([data-tree-action])": {
paddingRight: ACTION_WIDTH,
},
});

const DepthBars = styled("div", {
Expand Down Expand Up @@ -157,14 +156,16 @@ const ActionContainer = styled("div", {
// use opacity to hide action instead of visibility
// to prevent focus loss while navigating with keyboard
opacity: `var(${treeActionOpacity}, 0)`,
position: "absolute",
top: 0,
right: ITEM_PADDING_RIGHT,
width: ACTION_WIDTH,
position: "sticky",
translate: `calc(${theme.sizes.sidebarWidth} - 100%) -100%`,
paddingLeft: ITEM_PADDING_LEFT,
paddingRight: ITEM_PADDING_RIGHT,
left: 0,
height: "inherit",
display: "flex",
display: "inline-flex",
justifyContent: "center",
alignItems: "center",
backgroundColor: `var(${treeNodeBackgroundColor})`,
});

const DropIndicator = ({
Expand Down