Files
image-studio/view/LayersSheet.tsx
2026-07-04 15:37:54 +02:00

545 lines
25 KiB
TypeScript

import { useRef, useState, type DragEvent, type MutableRefObject } from "react";
import { ArrowDown, ArrowUp, DownloadSimple, Eye, EyeSlash, FolderPlus, Lock, LockOpen, Plus, Stack, Trash } from "@phosphor-icons/react";
import { commandIds } from "@commands/ids";
import type { ImageDocument } from "@core/document";
import type { Layer } from "@core/layer";
import type { ArtboardId } from "@core/id";
import type { MaskEditState, SelectionState } from "@editor/state";
import type { AppStore } from "@editor/store";
import { resolveTransformTargetBounds } from "@editor/transform-targets";
import { findGroup, findLayerInfoInDocument, resolveLayerDrop, type LayerInfo } from "@input/index";
import { downloadArtboardPng } from "./exportArtboardPng";
export type LayersSheetProps = {
document: ImageDocument;
selection: SelectionState;
maskEdit?: MaskEditState;
open: boolean;
dispatch: AppStore["dispatch"];
};
export function LayersSheet({ document, selection, maskEdit, open, dispatch }: LayersSheetProps) {
const draggedLayerId = useRef<string>();
const [editingTitle, setEditingTitle] = useState<EditingTitle>();
return (
<aside
aria-hidden={!open}
className={`pointer-events-auto absolute bottom-6 right-4 top-24 z-20 flex w-[28rem] flex-col overflow-hidden rounded-[2.5rem] px-4 text-sm text-white backdrop-blur-xl transition-all duration-200 ${
open ? "translate-x-0 opacity-100" : "pointer-events-none translate-x-8 opacity-0"
}`}
>
{open ? (
<LayersSheetBody
document={document}
selection={selection}
maskEdit={maskEdit}
draggedLayerId={draggedLayerId}
editingTitle={editingTitle}
setEditingTitle={setEditingTitle}
dispatch={dispatch}
/>
) : null}
</aside>
);
}
function LayersSheetBody({
document,
selection,
maskEdit,
draggedLayerId,
editingTitle,
setEditingTitle,
dispatch,
}: Omit<LayersSheetProps, "open"> & {
draggedLayerId: MutableRefObject<string | undefined>;
editingTitle: EditingTitle | undefined;
setEditingTitle: (editingTitle: EditingTitle | undefined) => void;
}) {
const selectedArtboardId = selection.artboardId ?? document.artboards[0]?.id;
const selectedLayer = findLayerInfoInDocument(document, selection.layerIds[0]);
const canGroup = Boolean(selection.artboardId && selection.layerIds.length > 0);
const canUngroup = selectedLayer?.layer.type === "group";
const maskLayerIds = collectDocumentMaskLayerIds(document);
return (
<>
<header className="flex h-20 items-center">
<div className="flex w-full items-center gap-2">
<button type="button" className={labeledToolbarButtonClass()} aria-label="Add artboard" title="Add artboard" onClick={() => addArtboard(document, dispatch)}>
<span className="grid w-12 flex-none place-items-center"><Plus size={24} /></span>
<span className="min-w-0 flex-1 text-center">Artboard</span>
</button>
<button type="button" className={labeledToolbarButtonClass()} aria-label="Add layer" title="Add layer" disabled={!selectedArtboardId} onClick={() => selectedArtboardId && addLayer(document, selectedArtboardId, selectedLayer, dispatch)}>
<span className="grid w-12 flex-none place-items-center"><Plus size={24} /></span>
<span className="min-w-0 flex-1 text-center">Layer</span>
</button>
<button type="button" className={toolbarButtonClass()} aria-label="Add group" title="Add group" disabled={!selectedArtboardId} onClick={() => selectedArtboardId && addGroup(selectedArtboardId, dispatch)}>
<FolderPlus size={24} />
</button>
</div>
</header>
<div className="mb-4 grid grid-cols-5 gap-2">
<button type="button" className={toolbarButtonClass()} aria-label="Group selected" title="Group selected" disabled={!canGroup} onClick={() => selection.artboardId && groupSelection(selection.artboardId, selection.layerIds, dispatch)}>
<Stack size={24} />
</button>
<button type="button" className={toolbarButtonClass()} aria-label="Ungroup" title="Ungroup" disabled={!canUngroup} onClick={() => selectedLayer && dispatch(commandIds.documentUngroupLayer, { groupId: selectedLayer.layer.id })}>
<Stack size={24} weight="fill" />
</button>
<button type="button" className={toolbarButtonClass()} aria-label="Move layer up" title="Move layer up" disabled={!selectedLayer} onClick={() => selectedLayer && moveLayer(document, selectedLayer, -1, dispatch)}>
<ArrowUp size={24} />
</button>
<button type="button" className={toolbarButtonClass()} aria-label="Move layer down" title="Move layer down" disabled={!selectedLayer} onClick={() => selectedLayer && moveLayer(document, selectedLayer, 1, dispatch)}>
<ArrowDown size={24} />
</button>
<button type="button" className={toolbarButtonClass()} aria-label="Delete selection" title="Delete selection" disabled={!selectedLayer && !selection.artboardId} onClick={() => deleteSelection(selection, selectedLayer, dispatch)}>
<Trash size={24} />
</button>
</div>
<div className="min-h-0 flex-1 overflow-auto pb-2">
{document.artboards.map((artboard) => (
<section key={artboard.id} className="mb-5 last:mb-0">
<div
className={`flex h-12 w-full items-center gap-3 rounded-full px-4 text-left transition ${selection.artboardId === artboard.id && selection.layerIds.length === 0 ? "bg-white text-black" : "text-white/70 hover:bg-white/[0.06] hover:text-white"}`}
onDragOver={(event) => {
if (draggedLayerId.current) event.preventDefault();
}}
onDrop={(event) => {
event.preventDefault();
if (draggedLayerId.current) dispatch(commandIds.documentMoveLayer, { layerId: draggedLayerId.current, toArtboardId: artboard.id, toIndex: artboard.layers.length });
draggedLayerId.current = undefined;
}}
>
<button type="button" className={selection.artboardId === artboard.id && selection.layerIds.length === 0 ? "text-black/55 transition hover:text-black" : "text-white/55 transition hover:text-white"} aria-label={artboard.visible ? "Hide artboard" : "Show artboard"} onClick={() => dispatch(commandIds.documentSetArtboardVisible, { id: artboard.id, visible: !artboard.visible })}>
{artboard.visible ? <Eye size={24} weight="regular" /> : <EyeSlash size={24} weight="regular" />}
</button>
<button type="button" className={selection.artboardId === artboard.id && selection.layerIds.length === 0 ? "text-black/55 transition hover:text-black" : "text-white/55 transition hover:text-white"} aria-label={artboard.locked ? "Unlock artboard" : "Lock artboard"} onClick={() => dispatch(commandIds.documentSetArtboardLocked, { id: artboard.id, locked: !artboard.locked })}>
{artboard.locked ? <Lock size={24} weight="regular" /> : <LockOpen size={24} weight="regular" />}
</button>
{editingTitle?.type === "artboard" && editingTitle.id === artboard.id ? (
<RenameInput
value={editingTitle.draft}
onChange={(draft) => setEditingTitle({ ...editingTitle, draft })}
onCancel={() => setEditingTitle(undefined)}
onCommit={() => {
dispatch(commandIds.documentRenameArtboard, { id: artboard.id, name: editingTitle.draft });
setEditingTitle(undefined);
}}
/>
) : (
<button
type="button"
className="min-w-0 flex-1 truncate text-left font-medium"
onClick={() => dispatch(commandIds.selectionSet, { artboardId: artboard.id, layerIds: [] })}
onDoubleClick={() => setEditingTitle({ type: "artboard", id: artboard.id, draft: artboard.name })}
>
{artboard.name}
</button>
)}
<button
type="button"
className={selection.artboardId === artboard.id && selection.layerIds.length === 0 ? "text-black/55 transition hover:text-black" : "text-white/55 transition hover:text-white"}
aria-label={`Export ${artboard.name} as PNG`}
title="Export PNG"
onClick={(event) => {
event.stopPropagation();
void downloadArtboardPng(artboard, document.assets);
}}
>
<DownloadSimple size={24} weight="regular" />
</button>
<span className={selection.artboardId === artboard.id && selection.layerIds.length === 0 ? "min-w-8 rounded-full bg-black/10 px-2 py-1 text-center text-xs text-black/45" : "min-w-8 rounded-full bg-white/10 px-2 py-1 text-center text-xs text-white/45"}>{countDisplayLayers(artboard.layers, maskLayerIds)}</span>
</div>
<div className="mt-2 space-y-2 pl-5">
{countDisplayLayers(artboard.layers, maskLayerIds) === 0 ? (
<div className="rounded-[1.5rem] border border-dashed border-white/10 px-4 py-5 text-center text-white/35">No layers yet</div>
) : (
artboard.layers.map((layer) => (
<LayerRow
key={layer.id}
document={document}
artboardId={artboard.id}
layer={layer}
depth={0}
selectedLayerIds={selection.layerIds}
draggedLayerId={draggedLayerId}
editingTitle={editingTitle}
setEditingTitle={setEditingTitle}
maskLayerIds={maskLayerIds}
maskEdit={maskEdit}
dispatch={dispatch}
/>
))
)}
</div>
</section>
))}
</div>
</>
);
}
function LayerRow({
document,
artboardId,
layer,
depth,
selectedLayerIds,
draggedLayerId,
editingTitle,
setEditingTitle,
maskLayerIds,
maskEdit,
dispatch,
}: {
document: ImageDocument;
artboardId: ArtboardId;
layer: Layer;
depth: number;
selectedLayerIds: string[];
draggedLayerId: MutableRefObject<string | undefined>;
editingTitle: EditingTitle | undefined;
setEditingTitle: (editingTitle: EditingTitle | undefined) => void;
maskLayerIds: ReadonlySet<string>;
maskEdit?: MaskEditState;
dispatch: AppStore["dispatch"];
}) {
if (maskLayerIds.has(layer.id)) return null;
const selected = selectedLayerIds.includes(layer.id);
const layerInfo = findLayerInfoInDocument(document, layer.id);
const maskLayer = layer.clippingMask ? findLayerInfoInDocument(document, layer.clippingMask.maskLayerId)?.layer : undefined;
const canAddMask = Boolean(layerInfo && layer.type !== "group" && !layer.clippingMask);
const editingMask = Boolean(maskEdit && layer.clippingMask && maskEdit.targetLayerId === layer.id && maskEdit.maskLayerId === layer.clippingMask.maskLayerId);
const rowPadding = 12 + depth * 16;
return (
<div>
<div
draggable
className={`group flex h-12 w-full items-center gap-3 rounded-full px-4 text-left transition ${editingMask ? "bg-sky-300 text-black" : selected ? "bg-white text-black" : "text-white/75 hover:bg-white/[0.07] hover:text-white"}`}
style={{ paddingLeft: rowPadding }}
onDragStart={(event) => {
event.dataTransfer.effectAllowed = "move";
event.dataTransfer.setData("text/plain", layer.id);
draggedLayerId.current = layer.id;
}}
onDragEnd={() => {
draggedLayerId.current = undefined;
}}
onDragOver={(event) => {
if (draggedLayerId.current && draggedLayerId.current !== layer.id) event.preventDefault();
}}
onDrop={(event) => {
event.preventDefault();
const sourceLayerId = draggedLayerId.current ?? event.dataTransfer.getData("text/plain");
if (sourceLayerId && sourceLayerId !== layer.id) dropLayer(document, sourceLayerId, { artboardId, layer }, event, dispatch);
draggedLayerId.current = undefined;
}}
>
<button type="button" className={editingMask || selected ? "text-black/55" : "text-white/45 transition hover:text-white"} aria-label={layer.visible ? "Hide layer" : "Show layer"} onClick={() => dispatch(commandIds.documentSetLayerVisible, { layerId: layer.id, visible: !layer.visible })}>
{layer.visible ? <Eye size={24} weight="regular" /> : <EyeSlash size={24} weight="regular" />}
</button>
{editingTitle?.type === "layer" && editingTitle.id === layer.id ? (
<RenameInput
value={editingTitle.draft}
onChange={(draft) => setEditingTitle({ ...editingTitle, draft })}
onCancel={() => setEditingTitle(undefined)}
onCommit={() => {
dispatch(commandIds.documentRenameLayer, { layerId: layer.id, name: editingTitle.draft });
setEditingTitle(undefined);
}}
/>
) : (
<button
type="button"
className="min-w-0 flex-1 truncate text-left font-medium"
onClick={() => dispatch(commandIds.selectionSet, { artboardId, layerIds: [layer.id] })}
onDoubleClick={() => setEditingTitle({ type: "layer", id: layer.id, draft: layer.name })}
>
{layer.name}
</button>
)}
{layer.clippingMask ? (
<span className={`inline-flex items-center gap-1 rounded-full px-3 py-1 text-xs ${editingMask || selected ? "bg-black/10 text-black/65" : "bg-sky-400/10 text-sky-100/70"}`}>
<Stack size={13} weight="fill" /> Mask
</span>
) : canAddMask && layerInfo ? (
<button
type="button"
className={editingMask || selected ? "rounded-full bg-black/10 px-3 py-1 text-xs text-black/65 transition hover:bg-black/15" : "rounded-full bg-white/5 px-3 py-1 text-xs text-white/45 transition hover:bg-sky-400/15 hover:text-sky-100"}
onClick={() => addLayerMask(document, layerInfo, dispatch)}
>
Add mask
</button>
) : null}
<button type="button" className={editingMask || selected ? "text-black/45" : "text-white/25 transition hover:text-white/70"} aria-label={layer.locked ? "Unlock layer" : "Lock layer"} onClick={() => dispatch(commandIds.documentSetLayerLocked, { layerId: layer.id, locked: !layer.locked })}>
{layer.locked ? <Lock size={24} weight="regular" /> : <LockOpen size={24} weight="regular" />}
</button>
</div>
{layer.clippingMask ? (
<div className="mt-2 flex min-h-14 items-center gap-3 rounded-full py-2 pl-4 pr-2 text-sm text-sky-100/70 hover:bg-white/[0.04]">
<Stack size={24} weight="fill" />
<span className="min-w-0 flex-1 truncate">{maskLayer ? "Layer mask" : "Layer mask missing"}</span>
{maskLayer ? (
<button
type="button"
className={`h-9 rounded-full px-4 text-sm font-medium transition ${editingMask ? "bg-sky-300 text-black" : "text-sky-100/75 hover:bg-white/10 hover:text-sky-50"}`}
onClick={() =>
editingMask
? dispatch(commandIds.toolExitMaskEdit, undefined)
: dispatch(commandIds.toolEnterMaskEdit, { targetLayerId: layer.id, maskLayerId: layer.clippingMask!.maskLayerId })
}
>
{editingMask ? "Done" : "Edit"}
</button>
) : null}
<button
type="button"
className="h-9 rounded-full px-4 text-sm font-medium text-sky-100/55 transition hover:bg-red-400/15 hover:text-red-100"
onClick={() => dispatch(commandIds.documentRemoveLayerMask, { layerId: layer.id })}
>
Remove
</button>
</div>
) : null}
{layer.type === "group"
? layer.children.map((child) => (
<LayerRow
key={child.id}
document={document}
artboardId={artboardId}
layer={child}
depth={depth + 1}
selectedLayerIds={selectedLayerIds}
draggedLayerId={draggedLayerId}
editingTitle={editingTitle}
setEditingTitle={setEditingTitle}
maskLayerIds={maskLayerIds}
maskEdit={maskEdit}
dispatch={dispatch}
/>
))
: null}
</div>
);
}
type EditingTitle =
| { type: "artboard"; id: ArtboardId; draft: string }
| { type: "layer"; id: string; draft: string };
function RenameInput({ value, onChange, onCommit, onCancel }: { value: string; onChange: (value: string) => void; onCommit: () => void; onCancel: () => void }) {
return (
<input
autoFocus
className="min-w-0 flex-1 rounded-full bg-white px-3 py-1.5 font-medium text-black outline-none ring-1 ring-black/10 focus:ring-sky-300/50"
value={value}
onChange={(event) => onChange(event.target.value)}
onBlur={onCommit}
onFocus={(event) => event.currentTarget.select()}
onClick={(event) => event.stopPropagation()}
onDoubleClick={(event) => event.stopPropagation()}
onKeyDown={(event) => {
event.stopPropagation();
if (event.key === "Enter") event.currentTarget.blur();
if (event.key === "Escape") onCancel();
}}
/>
);
}
function addLayerMask(document: ImageDocument, layerInfo: LayerInfo, dispatch: AppStore["dispatch"]) {
const layer = layerInfo.layer;
if (layer.type === "group") return;
const asset = document.assets.find((candidate) => candidate.id === layer.assetId);
const bounds = resolveTransformTargetBounds(document, { type: "layer", id: layer.id });
if (!asset || !bounds) return;
const assetId = crypto.randomUUID();
const maskLayerId = crypto.randomUUID();
const width = Math.max(1, Math.round(asset.intrinsicSize.w));
const height = Math.max(1, Math.round(asset.intrinsicSize.h));
const source = `data:image/svg+xml,${encodeURIComponent(`<svg xmlns="http://www.w3.org/2000/svg" width="${width}" height="${height}" viewBox="0 0 ${width} ${height}"><rect width="${width}" height="${height}" fill="white"/></svg>`)}`;
dispatch(commandIds.documentAddLayerMask, {
layerId: layer.id,
asset: {
id: assetId,
name: `${layer.name} Mask`,
mimeType: "image/svg+xml",
source,
intrinsicSize: { w: width, h: height },
},
maskLayer: {
id: maskLayerId,
type: "raster",
name: `${layer.name} Mask`,
visible: true,
locked: false,
opacity: 1,
assetId,
transform: {
position: { x: bounds.x, y: bounds.y },
scale: { x: bounds.w / width, y: bounds.h / height },
rotation: layer.transform.rotation,
},
},
});
}
function collectDocumentMaskLayerIds(document: ImageDocument): Set<string> {
const ids = new Set<string>();
for (const artboard of document.artboards) collectMaskLayerIds(artboard.layers, ids);
return ids;
}
function collectMaskLayerIds(layers: readonly Layer[], ids: Set<string>): Set<string> {
for (const layer of layers) {
if (layer.clippingMask) ids.add(layer.clippingMask.maskLayerId);
if (layer.type === "group") collectMaskLayerIds(layer.children, ids);
}
return ids;
}
function countDisplayLayers(layers: readonly Layer[], maskLayerIds: ReadonlySet<string>): number {
let count = 0;
for (const layer of layers) {
if (maskLayerIds.has(layer.id)) continue;
count += 1;
if (layer.type === "group") count += countDisplayLayers(layer.children, maskLayerIds);
}
return count;
}
function dropLayer(
document: ImageDocument,
sourceLayerId: string,
target: { artboardId: ArtboardId; layer: Layer },
event: DragEvent<HTMLElement>,
dispatch: AppStore["dispatch"],
) {
const rect = event.currentTarget.getBoundingClientRect();
const command = resolveLayerDrop({
document,
sourceLayerId,
target,
verticalRatio: (event.clientY - rect.top) / Math.max(1, rect.height),
});
if (command) dispatch(commandIds.documentMoveLayer, command);
}
function deleteSelection(selection: SelectionState, selectedLayer: LayerInfo | undefined, dispatch: AppStore["dispatch"]) {
if (selectedLayer) {
dispatch(commandIds.documentRemoveLayer, { layerId: selectedLayer.layer.id });
return;
}
if (selection.artboardId) dispatch(commandIds.documentRemoveArtboard, { id: selection.artboardId });
}
function addArtboard(document: ImageDocument, dispatch: AppStore["dispatch"]) {
const index = document.artboards.length + 1;
dispatch(commandIds.documentAddArtboard, {
id: crypto.randomUUID(),
name: `Artboard ${index}`,
bounds: { x: (index - 1) * 40, y: (index - 1) * 40, w: 800, h: 600 },
});
}
function addLayer(document: ImageDocument, artboardId: ArtboardId, selectedLayer: LayerInfo | undefined, dispatch: AppStore["dispatch"]) {
const artboard = document.artboards.find((candidate) => candidate.id === artboardId);
if (!artboard) return;
const assetId = crypto.randomUUID();
const layerId = crypto.randomUUID();
const width = Math.max(1, Math.round(artboard.bounds.w));
const height = Math.max(1, Math.round(artboard.bounds.h));
const source = `data:image/svg+xml,${encodeURIComponent(`<svg xmlns="http://www.w3.org/2000/svg" width="${width}" height="${height}"></svg>`)}`;
dispatch(commandIds.documentAddAsset, {
asset: {
id: assetId,
name: "Empty Layer",
mimeType: "image/svg+xml",
source,
intrinsicSize: { w: width, h: height },
},
});
dispatch(commandIds.documentAddRasterLayer, {
artboardId,
parentGroupId: selectedLayer?.layer.type === "group" ? selectedLayer.layer.id : undefined,
layer: {
id: layerId,
type: "raster",
name: "Layer",
visible: true,
locked: false,
opacity: 1,
assetId,
transform: { position: { x: artboard.bounds.x, y: artboard.bounds.y }, scale: { x: 1, y: 1 }, rotation: 0 },
},
});
dispatch(commandIds.selectionSet, { artboardId, layerIds: [layerId] });
}
function addGroup(artboardId: ArtboardId, dispatch: AppStore["dispatch"]) {
dispatch(commandIds.documentAddGroupLayer, { artboardId, group: createGroup("Group") });
}
function groupSelection(artboardId: ArtboardId, layerIds: string[], dispatch: AppStore["dispatch"]) {
dispatch(commandIds.documentGroupLayers, { artboardId, layerIds, group: createGroup("Group") });
}
function moveLayer(document: ImageDocument, info: LayerInfo, direction: -1 | 1, dispatch: AppStore["dispatch"]) {
const siblings = info.parentGroupId ? findGroup(document, info.parentGroupId)?.children : document.artboards.find((artboard) => artboard.id === info.artboardId)?.layers;
if (!siblings) return;
const maskLayerIds = collectMaskLayerIds(siblings, new Set<string>());
const blocks = siblings.flatMap((layer, index) => {
if (maskLayerIds.has(layer.id)) return [];
const maskIndex = layer.clippingMask ? siblings.findIndex((candidate) => candidate.id === layer.clippingMask?.maskLayerId) : -1;
const start = maskIndex >= 0 ? Math.min(maskIndex, index) : index;
const end = maskIndex >= 0 ? Math.max(maskIndex, index) : index;
return [{ layerId: layer.id, start, end, size: end - start + 1 }];
});
const currentBlockIndex = blocks.findIndex((block) => block.layerId === info.layer.id);
const currentBlock = blocks[currentBlockIndex];
const targetBlock = blocks[currentBlockIndex + direction];
if (!currentBlock || !targetBlock) return;
const insertionIndex = direction === -1 ? targetBlock.start : targetBlock.end + 1;
const removedBeforeInsertion = currentBlock.end < insertionIndex ? currentBlock.size : currentBlock.start < insertionIndex ? insertionIndex - currentBlock.start : 0;
dispatch(commandIds.documentMoveLayer, {
layerId: info.layer.id,
toArtboardId: info.artboardId,
toParentGroupId: info.parentGroupId,
toIndex: insertionIndex - removedBeforeInsertion,
});
}
function createGroup(name: string): Layer {
return {
id: crypto.randomUUID(),
type: "group",
name,
visible: true,
locked: false,
opacity: 1,
transform: { position: { x: 0, y: 0 }, scale: { x: 1, y: 1 }, rotation: 0 },
children: [],
};
}
function toolbarButtonClass() {
return "inline-flex size-12 items-center justify-center rounded-full text-white/75 transition hover:bg-white/10 hover:text-white disabled:pointer-events-none disabled:opacity-35 focus:outline-none focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-white/30";
}
function labeledToolbarButtonClass() {
return "inline-flex h-12 flex-1 items-center rounded-full pr-4 text-sm font-medium text-white/75 transition hover:bg-white/10 hover:text-white disabled:pointer-events-none disabled:opacity-35 focus:outline-none focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-white/30";
}