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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 | 1x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 6x 6x 6x 6x 7x 6x 6x 1x 1x | import React, { useEffect, useMemo, useState } from 'react';
import { useAppDispatch, useAppSelector } from '@/store/hooks';
import { motion, Reorder } from 'framer-motion';
import {
createLayer,
deleteLayer,
fetchLayersByProject,
setActiveLayerId,
updateLayer,
} from '@/entities/layer/model/slice';
import { layersSelectors, makeSelectByProject } from '@/entities/layer/model/selectors';
import { AddLayerButton, LayerItem, OpacitySlider } from '@/entities/layer/ui/components';
import { LAYER_DEFAULTS } from '@/shared/constants';
import { store } from '@/store';
import { selectHistoryIsPreview } from '@/entities/history/model';
interface LayersPanelProps {
projectId: string;
open: boolean;
}
export const LayersPanel = React.memo(function LayersPanel({
projectId,
open,
}: LayersPanelProps) {
const dispatch = useAppDispatch();
const selectByProject = useMemo(makeSelectByProject, [projectId]);
const layers = useAppSelector((s) => selectByProject(s, projectId))
.slice()
.sort((a, b) => b.zIndex - a.zIndex);
const activeLayer = useAppSelector(layersSelectors.selectActiveLayer);
const isPreview = useAppSelector(selectHistoryIsPreview);
const [localNameId, setLocalNameId] = useState<string | null>(null);
const [openMenuId, setOpenMenuId] = useState<string | null>(null);
// ───────────────────────────────
// Fetch layers when first open
// ───────────────────────────────
useEffect(() => {
if (!open || isPreview) return;
const state = store.getState();
const existingCount = Object.keys(state.layers.entities).length;
Eif (existingCount === 0) {
void dispatch(fetchLayersByProject(projectId));
}
}, [dispatch, projectId, open, isPreview]);
if (!open) return null;
// ───────────────────────────────
// Handlers
// ───────────────────────────────
const handleReorder = (newOrder: typeof layers) => {
if (isPreview) return;
newOrder.forEach((layer, idx) => {
const newZ = newOrder.length - 1 - idx;
if (layer.zIndex !== newZ) {
dispatch(updateLayer({ id: layer.id, changes: { zIndex: newZ } }));
}
});
};
const handlers = {
onCreate: () => {
Iif (isPreview) return;
void dispatch(createLayer({ projectId }));
},
onDelete: (id: string) => {
if (isPreview) return;
void dispatch(deleteLayer(id));
setOpenMenuId(null);
},
onOpacityChange: (id: string, value: number) => {
if (isPreview) return;
void dispatch(updateLayer({ id, changes: { opacity: value } }));
},
onSetActive: (id: string) => dispatch(setActiveLayerId(id)),
onToggleVisibility: (id: string, visible: boolean) => {
if (isPreview) return;
void dispatch(updateLayer({ id, changes: { visible: !visible } }));
},
onRenameSubmit: async (id: string, name: string) => {
if (isPreview) return;
setLocalNameId(null);
await dispatch(
updateLayer({
id,
changes: {
name: name.trim() || `${LAYER_DEFAULTS.UNTITLED_PROJECT}`,
},
}),
);
},
};
// ───────────────────────────────
// UI
// ───────────────────────────────
return (
<motion.aside
initial={{ x: '100%', opacity: 0 }}
animate={{ x: 0, opacity: 1 }}
exit={{ x: '100%', opacity: 0 }}
transition={{ type: 'spring', stiffness: 220, damping: 25 }}
className="fixed top-0 right-16 bottom-16 w-72 border-l border-gray-200 bg-white/90 backdrop-blur-sm shadow-xl p-3 flex flex-col gap-3 z-40"
>
<header className="flex items-center justify-between">
<h3 className="text-sm font-semibold text-gray-800">
Layers{' '}
{isPreview && <span className="text-amber-600 ml-1">(Preview)</span>}
</h3>
</header>
<OpacitySlider
activeLayer={activeLayer}
onOpacityChange={handlers.onOpacityChange}
/>
<AddLayerButton onCreate={handlers.onCreate} disabled={isPreview} />
{/* The list of layers */}
<Reorder.Group axis="y" values={layers} onReorder={handleReorder}>
{layers.map((layer) => (
<Reorder.Item key={layer.id} value={layer}>
<LayerItem
layer={layer}
isActive={activeLayer?.id === layer.id}
isEditing={localNameId === layer.id}
openMenuId={openMenuId}
onSetActive={handlers.onSetActive}
onToggleVisibility={handlers.onToggleVisibility}
onRenameSubmit={handlers.onRenameSubmit}
onDelete={handlers.onDelete}
setLocalNameId={setLocalNameId}
setOpenMenuId={setOpenMenuId}
disabled={isPreview}
/>
</Reorder.Item>
))}
</Reorder.Group>
</motion.aside>
);
});
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