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feat: add getContainerSize #621

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feat: add getContainerSize #621

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67 changes: 37 additions & 30 deletions src/allotment.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,7 @@ Pane.displayName = "Allotment.Pane";
export type AllotmentHandle = {
reset: () => void;
resize: (sizes: number[]) => void;
getContainerSize: () => { width: number; height: number };
};

export type AllotmentProps = {
Expand Down Expand Up @@ -140,7 +141,7 @@ const Allotment = forwardRef<AllotmentHandle, AllotmentProps>(
onReset,
onVisibleChange,
onDragStart,
onDragEnd
onDragEnd,
},
ref
) => {
Expand All @@ -150,6 +151,10 @@ const Allotment = forwardRef<AllotmentHandle, AllotmentProps>(
const splitViewRef = useRef<SplitView | null>(null);
const splitViewViewRef = useRef(new Map<React.Key, HTMLElement>());
const layoutService = useRef<LayoutService>(new LayoutService());
const containerSizeRef = useRef<{ width: number; height: number }>({
height: 0,
width: 0,
});
const views = useRef<PaneView[]>([]);

const [dimensionsInitialized, setDimensionsInitialized] = useState(false);
Expand Down Expand Up @@ -192,6 +197,7 @@ const Allotment = forwardRef<AllotmentHandle, AllotmentProps>(
resize: (sizes) => {
splitViewRef.current?.resizeViews(sizes);
},
getContainerSize: () => ({ ...containerSizeRef.current }),
}));

useIsomorphicLayoutEffect(() => {
Expand Down Expand Up @@ -219,43 +225,42 @@ const Allotment = forwardRef<AllotmentHandle, AllotmentProps>(
proportionalLayout,
...(initializeSizes &&
defaultSizes && {
descriptor: {
size: defaultSizes.reduce((a, b) => a + b, 0),
views: defaultSizes.map((size, index) => {
const props = splitViewPropsRef.current.get(
previousKeys.current[index]
);

const view = new PaneView(layoutService.current, {
element: document.createElement("div"),
minimumSize: props?.minSize ?? minSize,
maximumSize: props?.maxSize ?? maxSize,
priority: props?.priority ?? LayoutPriority.Normal,
...(props?.preferredSize && {
preferredSize: props?.preferredSize,
}),
snap: props?.snap ?? snap,
});

views.current.push(view);
descriptor: {
size: defaultSizes.reduce((a, b) => a + b, 0),
views: defaultSizes.map((size, index) => {
const props = splitViewPropsRef.current.get(
previousKeys.current[index]
);

return {
container: [...splitViewViewRef.current.values()][index],
size: size,
view: view,
};
}),
},
}),
const view = new PaneView(layoutService.current, {
element: document.createElement("div"),
minimumSize: props?.minSize ?? minSize,
maximumSize: props?.maxSize ?? maxSize,
priority: props?.priority ?? LayoutPriority.Normal,
...(props?.preferredSize && {
preferredSize: props?.preferredSize,
}),
snap: props?.snap ?? snap,
});

views.current.push(view);

return {
container: [...splitViewViewRef.current.values()][index],
size: size,
view: view,
};
}),
},
}),
};

splitViewRef.current = new SplitView(
containerRef.current,
options,
onChange,
onDragStart,
onDragEnd,

onDragEnd
);

splitViewRef.current.on("sashDragStart", () => {
Expand Down Expand Up @@ -472,6 +477,8 @@ const Allotment = forwardRef<AllotmentHandle, AllotmentProps>(
ref: containerRef,
onResize: ({ width, height }) => {
if (width && height) {
containerSizeRef.current.height = height;
containerSizeRef.current.width = width;
splitViewRef.current?.layout(vertical ? height : width);
layoutService.current.setSize(vertical ? height : width);
setDimensionsInitialized(true);
Expand Down