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Refactored selection-box.tsx #4

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e3415e9
Refactored selection-box.tsx
adventuresEnglish Feb 12, 2024
a781052
fixed bug and renamed variable
adventuresEnglish Feb 12, 2024
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272 changes: 84 additions & 188 deletions app/board/[boardId]/_components/selection-box.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -8,199 +8,95 @@ import { useSelectionBounds } from "@/hooks/use-selection-bounds";

interface SelectionBoxProps {
onResizeHandlePointerDown: (corner: Side, initialBounds: XYWH) => void;
};
}

const HANDLE_WIDTH = 8;

export const SelectionBox = memo(({
onResizeHandlePointerDown,
}: SelectionBoxProps) => {
const soleLayerId = useSelf((me) =>
me.presence.selection.length === 1 ? me.presence.selection[0] : null
);
export const SelectionBox = memo(
({ onResizeHandlePointerDown }: SelectionBoxProps) => {
const soleLayerId = useSelf((me) =>
me.presence.selection.length === 1 ? me.presence.selection[0] : null
);

const isShowingHandles = useStorage((root) =>
soleLayerId && root.layers.get(soleLayerId)?.type !== LayerType.Path
);
const isShowingHandles = useStorage(
(root) =>
soleLayerId && root.layers.get(soleLayerId)?.type !== LayerType.Path
);

const bounds = useSelectionBounds();
const bounds = useSelectionBounds();

if (!bounds) {
return null;
}
if (!bounds) {
return null;
}

const rect = {
cardinal: ["nwse", "ns", "nesw", "ew", "nwse", "ns", "nesw", "ew"],
boundsX: [
bounds.x - HANDLE_WIDTH / 2,
bounds.x + bounds.width / 2 - HANDLE_WIDTH / 2,
bounds.x + bounds.width - HANDLE_WIDTH / 2,
bounds.x + bounds.width - HANDLE_WIDTH / 2,
bounds.x + bounds.width - HANDLE_WIDTH / 2,
bounds.x + bounds.width / 2 - HANDLE_WIDTH / 2,
bounds.x - HANDLE_WIDTH / 2,
bounds.x - HANDLE_WIDTH / 2,
],
boundsY: [
bounds.y - HANDLE_WIDTH / 2,
bounds.y - HANDLE_WIDTH / 2,
bounds.y - HANDLE_WIDTH / 2,
bounds.y + bounds.height / 2 - HANDLE_WIDTH / 2,
bounds.y + bounds.height - HANDLE_WIDTH / 2,
bounds.y + bounds.height - HANDLE_WIDTH / 2,
bounds.y + bounds.height - HANDLE_WIDTH / 2,
bounds.y + bounds.height / 2 - HANDLE_WIDTH / 2,
],
resizeSide: [
Side.Top + Side.Left,
Side.Top,
Side.Top + Side.Right,
Side.Right,
Side.Bottom + Side.Right,
Side.Bottom,
Side.Bottom + Side.Left,
Side.Left,
],
};

return (
<>
<rect
className="fill-transparent stroke-blue-500 stroke-1 pointer-events-none"
style={{
transform: `translate(${bounds.x}px, ${bounds.y}px)`,
}}
x={0}
y={0}
width={bounds.width}
height={bounds.height}
/>
{isShowingHandles && (
<>
<rect
className="fill-white stroke-1 stroke-blue-500"
x={0}
y={0}
style={{
cursor: "nwse-resize",
width: `${HANDLE_WIDTH}px`,
height: `${HANDLE_WIDTH}px`,
transform: `
translate(
${bounds.x - HANDLE_WIDTH / 2}px,
${bounds.y - HANDLE_WIDTH / 2}px
)
`
}}
onPointerDown={(e) => {
e.stopPropagation();
onResizeHandlePointerDown(Side.Top + Side.Left, bounds);
}}
/>
<rect
className="fill-white stroke-1 stroke-blue-500"
x={0}
y={0}
style={{
cursor: "ns-resize",
width: `${HANDLE_WIDTH}px`,
height: `${HANDLE_WIDTH}px`,
transform: `
translate(
${bounds.x + bounds.width / 2 - HANDLE_WIDTH / 2}px,
${bounds.y - HANDLE_WIDTH / 2}px
)
`
}}
onPointerDown={(e) => {
e.stopPropagation();
onResizeHandlePointerDown(Side.Top, bounds);
}}
/>
<rect
className="fill-white stroke-1 stroke-blue-500"
x={0}
y={0}
style={{
cursor: "nesw-resize",
width: `${HANDLE_WIDTH}px`,
height: `${HANDLE_WIDTH}px`,
transform: `
translate(
${bounds.x - HANDLE_WIDTH / 2 + bounds.width}px,
${bounds.y - HANDLE_WIDTH / 2}px
)`
}}
onPointerDown={(e) => {
e.stopPropagation();
onResizeHandlePointerDown(Side.Top + Side.Right, bounds);
}}
/>
<rect
className="fill-white stroke-1 stroke-blue-500"
x={0}
y={0}
style={{
cursor: "ew-resize",
width: `${HANDLE_WIDTH}px`,
height: `${HANDLE_WIDTH}px`,
transform: `
translate(
${bounds.x - HANDLE_WIDTH / 2 + bounds.width}px,
${bounds.y + bounds.height / 2 - HANDLE_WIDTH / 2}px
)`
}}
onPointerDown={(e) => {
e.stopPropagation();
onResizeHandlePointerDown(Side.Right, bounds);
}}
/>
<rect
className="fill-white stroke-1 stroke-blue-500"
x={0}
y={0}
style={{
cursor: "nwse-resize",
width: `${HANDLE_WIDTH}px`,
height: `${HANDLE_WIDTH}px`,
transform: `
translate(
${bounds.x - HANDLE_WIDTH / 2 + bounds.width}px,
${bounds.y - HANDLE_WIDTH / 2 + bounds.height}px
)`
}}
onPointerDown={(e) => {
e.stopPropagation();
onResizeHandlePointerDown(Side.Bottom + Side.Right, bounds);
}}
/>
<rect
className="fill-white stroke-1 stroke-blue-500"
x={0}
y={0}
style={{
cursor: "ns-resize",
width: `${HANDLE_WIDTH}px`,
height: `${HANDLE_WIDTH}px`,
transform: `
translate(
${bounds.x + bounds.width / 2 - HANDLE_WIDTH / 2}px,
${bounds.y - HANDLE_WIDTH / 2 + bounds.height}px
)`
}}
onPointerDown={(e) => {
e.stopPropagation();
onResizeHandlePointerDown(Side.Bottom, bounds);
}}
/>
<rect
className="fill-white stroke-1 stroke-blue-500"
x={0}
y={0}
style={{
cursor: "nesw-resize",
width: `${HANDLE_WIDTH}px`,
height: `${HANDLE_WIDTH}px`,
transform: `
translate(
${bounds.x - HANDLE_WIDTH / 2}px,
${bounds.y - HANDLE_WIDTH / 2 + bounds.height}px
)`
}}
onPointerDown={(e) => {
e.stopPropagation();
onResizeHandlePointerDown(Side.Bottom + Side.Left, bounds);
}}
/>
<rect
className="fill-white stroke-1 stroke-blue-500"
x={0}
y={0}
style={{
cursor: "ew-resize",
width: `${HANDLE_WIDTH}px`,
height: `${HANDLE_WIDTH}px`,
transform: `
translate(
${bounds.x - HANDLE_WIDTH / 2}px,
${bounds.y - HANDLE_WIDTH / 2 + bounds.height / 2}px
)`
}}
onPointerDown={(e) => {
e.stopPropagation();
onResizeHandlePointerDown(Side.Left, bounds);
}}
/>
</>
)}
</>
);
});
return (
<>
<rect
className="fill-transparent stroke-blue-500 stroke-1 pointer-events-none"
style={{
transform: `translate(${bounds.x}px, ${bounds.y}px)`,
}}
x={0}
y={0}
width={bounds.width}
height={bounds.height}
/>
{isShowingHandles &&
rect.cardinal.map((direction, i) => (
<rect
key={i}
className="fill-white stroke-1 stroke-blue-500"
x={0}
y={0}
style={{
cursor: `${direction}-resize`,
width: `${HANDLE_WIDTH}px`,
height: `${HANDLE_WIDTH}px`,
transform: `translate(${rect.boundsX[i]}px, ${rect.boundsY[i]}px)`,
}}
onPointerDown={(e) => {
e.stopPropagation();
onResizeHandlePointerDown(rect.resizeSide[i], bounds);
}}
/>
))}
</>
);
}
);

SelectionBox.displayName = "SelectionBox";
SelectionBox.displayName = "SelectionBox";