65 lines
1.8 KiB
JavaScript
65 lines
1.8 KiB
JavaScript
import update from 'react-addons-update';
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import * as actions from '../../../../actions/index.js';
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import { addObjectActive2D, addObject, setActive2D } from '../../../objectReducers.js';
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import { Matrix, Vector } from '@doodle3d/cal';
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import createDebug from 'debug';
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const debug = createDebug('d3d:reducer:rect');
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const DEFAULT_WIDTH = 25;
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const DEFAULT_HEIGHT = 25;
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export default function rectReducer(state, action) {
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if (action.log !== false) debug(action.type);
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const { position, screenMatrixZoom } = action;
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let scenePosition;
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if (position !== undefined && screenMatrixZoom !== undefined) {
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scenePosition = position.applyMatrix(screenMatrixZoom.inverseMatrix());
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}
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const activeShape = state.d2.activeShape;
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switch (action.type) {
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case actions.D2_DRAG_START:
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return addObjectActive2D(state, {
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type: 'RECT',
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transform: new Matrix({ x: scenePosition.x, y: scenePosition.y })
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});
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case actions.D2_DRAG:
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const beginPos = new Vector().copy(state.objectsById[activeShape].transform);
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const delta = scenePosition.subtract(beginPos);
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const width = delta.x;
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const height = delta.y;
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return updateRect(state, activeShape, width, height);
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case actions.D2_DRAG_END:
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return setActive2D(state, null);
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case actions.D2_TAP:
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return addObject(state, {
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type: 'RECT',
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transform: new Matrix({ x: scenePosition.x, y: scenePosition.y }),
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rectSize: {
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x: DEFAULT_WIDTH,
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y: DEFAULT_HEIGHT
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}
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});
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default:
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return state;
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}
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}
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function updateRect(state, id, width, height) {
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return update(state, {
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objectsById: {
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[id]: {
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rectSize: {
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x: { $set: width },
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y: { $set: height }
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}
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}
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}
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});
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}
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