recipe-app/frontend/src/components/recipes/InstructionStepListDesktopEditor.tsx
2025-10-21 09:08:08 +02:00

77 lines
3.3 KiB
TypeScript

/**
* Desktop editor using drag-and-drop via @dnd-kit
*/
import {closestCenter, DndContext, PointerSensor, useSensor, useSensors,} from "@dnd-kit/core";
import {arrayMove, SortableContext, verticalListSortingStrategy,} from "@dnd-kit/sortable";
import type {InstructionStepModel} from "../../models/InstructionStepModel";
import {InstructionStepDesktopListItem} from "./InstructionStepDesktopListItem";
import Button from "../basics/Button";
import {Plus} from "lucide-react";
import {ButtonType} from "../basics/BasicButtonDefinitions";
import {instructionStepListEditorMethods} from "./InstructionStepListEditorMethods.ts";
type InstructionStepListDesktopEditorProps = {
instructionStepList: InstructionStepModel[];
onChange: (steps: InstructionStepModel[]) => void;
};
export function InstructionStepListDesktopEditor({
instructionStepList,
onChange,
}: InstructionStepListDesktopEditorProps) {
const {handleUpdate, handleAdd, handleRemove} = instructionStepListEditorMethods(
instructionStepList,
onChange
);
const sensors = useSensors(useSensor(PointerSensor, {activationConstraint: {distance: 8}}));
const handleDragEnd = (event: any) => {
const {active, over} = event;
if (active.id !== over.id) {
/* find element by internal id
* Caution! Due to new elements not having a real ID yet, each list item has an internal ID
* in order to give it a unique identifier before saving it to the backend. We have to compare
* the id of the drag item to the internalId of the list item here!
*/
const oldIndex = instructionStepList.findIndex((i) => i.internalId === active.id);
const newIndex = instructionStepList.findIndex((i) => i.internalId === over.id);
// move element to new position
const newOrder = arrayMove(instructionStepList, oldIndex, newIndex);
onChange(newOrder);
}
};
return (
<div>
<h2 className="section-heading mb-2">Zubereitung</h2>
<DndContext sensors={sensors} collisionDetection={closestCenter} onDragEnd={handleDragEnd}>
<SortableContext
items={instructionStepList.map((i) => i.internalId)}
strategy={verticalListSortingStrategy}
>
<div className="flex flex-col gap-3">
{instructionStepList.map((step, index) => (
<InstructionStepDesktopListItem
key={step.internalId}
id={step.internalId}
index={index}
step={step}
onUpdate={handleUpdate}
onRemove={handleRemove}
/>
))}
</div>
</SortableContext>
</DndContext>
<Button
onClick={handleAdd}
icon={Plus}
text="Schritt hinzufügen"
buttonType={ButtonType.PrimaryButton}
className="mt-4"
/>
</div>
);
}