127 lines
3.2 KiB
JavaScript
127 lines
3.2 KiB
JavaScript
import React, { useContext, useState, useEffect, useRef } from "react";
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import shortid from "shortid";
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import { Group } from "react-konva";
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import MapInteractionContext from "../../contexts/MapInteractionContext";
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import MapStageContext from "../../contexts/MapStageContext";
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import AuthContext from "../../contexts/AuthContext";
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import { getBrushPositionForTool } from "../../helpers/drawing";
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import { getRelativePointerPositionNormalized } from "../../helpers/konva";
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import Note from "../note/Note";
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const defaultNoteSize = 2;
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function MapNotes({
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map,
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active,
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gridSize,
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onNoteAdd,
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onNoteChange,
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notes,
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onNoteMenuOpen,
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draggable,
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onNoteDragStart,
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onNoteDragEnd,
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}) {
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const { interactionEmitter } = useContext(MapInteractionContext);
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const { userId } = useContext(AuthContext);
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const mapStageRef = useContext(MapStageContext);
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const [isBrushDown, setIsBrushDown] = useState(false);
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const [noteData, setNoteData] = useState(null);
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const creatingNoteRef = useRef();
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useEffect(() => {
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if (!active) {
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return;
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}
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const mapStage = mapStageRef.current;
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function getBrushPosition() {
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const mapImage = mapStage.findOne("#mapImage");
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return getBrushPositionForTool(
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map,
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getRelativePointerPositionNormalized(mapImage),
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map.snapToGrid,
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false,
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gridSize,
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[]
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);
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}
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function handleBrushDown() {
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const brushPosition = getBrushPosition();
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setNoteData({
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x: brushPosition.x,
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y: brushPosition.y,
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size: defaultNoteSize,
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text: "",
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id: shortid.generate(),
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lastModified: Date.now(),
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lastModifiedBy: userId,
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visible: true,
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locked: false,
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color: "yellow",
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});
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setIsBrushDown(true);
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}
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function handleBrushMove() {
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if (noteData) {
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const brushPosition = getBrushPosition();
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setNoteData((prev) => ({
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...prev,
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x: brushPosition.x,
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y: brushPosition.y,
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}));
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setIsBrushDown(true);
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}
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}
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function handleBrushUp() {
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if (noteData) {
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onNoteAdd(noteData);
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onNoteMenuOpen(noteData.id, creatingNoteRef.current);
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}
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setNoteData(null);
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setIsBrushDown(false);
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}
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interactionEmitter.on("dragStart", handleBrushDown);
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interactionEmitter.on("drag", handleBrushMove);
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interactionEmitter.on("dragEnd", handleBrushUp);
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return () => {
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interactionEmitter.off("dragStart", handleBrushDown);
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interactionEmitter.off("drag", handleBrushMove);
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interactionEmitter.off("dragEnd", handleBrushUp);
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};
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});
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return (
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<Group>
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{notes.map((note) => (
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<Note
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note={note}
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map={map}
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key={note.id}
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onNoteMenuOpen={onNoteMenuOpen}
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draggable={draggable && !note.locked}
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onNoteChange={onNoteChange}
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onNoteDragStart={onNoteDragStart}
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onNoteDragEnd={onNoteDragEnd}
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/>
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))}
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<Group ref={creatingNoteRef}>
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{isBrushDown && noteData && (
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<Note note={noteData} map={map} draggable={false} />
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)}
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</Group>
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</Group>
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);
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}
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export default MapNotes;
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