15715217843

Committed 17 Jun 2025 06:25PM UTC coverage: 76.96% (-0.007%) from 76.967%

Build # 15715217843

Build Type

Pull #11219

github

Committed by

web-flow

Commit Message

Merge 91b01831f into 54f0948be

Pull Request Pull Request #11219: Remove usage of object-assign

Run Details

31112 of 48419 branches covered (64.26%)

39 of 53 new or added lines in 27 files covered. (73.58%)

5 existing lines in 1 file now uncovered.

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78.14

/web/client/components/map/leaflet/Map.jsx

/**
 * Copyright 2015, GeoSolutions Sas.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree.
 */
import L from 'leaflet';
import PropTypes from 'prop-types';
import React from 'react';
import ConfigUtils from '../../../utils/ConfigUtils';
import {reprojectBbox, reproject} from '../../../utils/CoordinatesUtils';
import {
    getGoogleMercatorResolutions,
    EXTENT_TO_ZOOM_HOOK,
    RESOLUTIONS_HOOK,
    COMPUTE_BBOX_HOOK,
    GET_PIXEL_FROM_COORDINATES_HOOK,
    GET_COORDINATES_FROM_PIXEL_HOOK,
    ZOOM_TO_EXTENT_HOOK,
    registerHook
} from '../../../utils/MapUtils';
import Rx from 'rxjs';

import {throttle} from 'lodash';
import 'leaflet/dist/leaflet.css';

import './SingleClick';

class LeafletMap extends React.Component {
    static propTypes = {
        id: PropTypes.string,
        document: PropTypes.object,
        center: ConfigUtils.PropTypes.center,
        zoom: PropTypes.number.isRequired,
        viewerOptions: PropTypes.object,
        mapStateSource: ConfigUtils.PropTypes.mapStateSource,
        style: PropTypes.object,
        projection: PropTypes.string,
        onMapViewChanges: PropTypes.func,
        onClick: PropTypes.func,
        onRightClick: PropTypes.func,
        mapOptions: PropTypes.object,
        limits: PropTypes.object,
        zoomControl: PropTypes.bool,
        mousePointer: PropTypes.string,
        onMouseMove: PropTypes.func,
        onLayerLoading: PropTypes.func,
        onLayerLoad: PropTypes.func,
        onLayerError: PropTypes.func,
        resize: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),
        measurement: PropTypes.object,
        changeMeasurementState: PropTypes.func,
        registerHooks: PropTypes.bool,
        interactive: PropTypes.bool,
        resolutions: PropTypes.array,
        hookRegister: PropTypes.object,
        onCreationError: PropTypes.func,
        onMouseOut: PropTypes.func,
        onResolutionsChange: PropTypes.func
    };

    static defaultProps = {
        id: 'map',
        onMapViewChanges: () => {},
        onCreationError: () => {},
        onClick: null,
        onMouseMove: () => {},
        zoomControl: true,
        mapOptions: {
            zoomAnimation: true,
            attributionControl: false
        },
        projection: "EPSG:3857",
        center: {x: 13, y: 45, crs: "EPSG:4326"},
        zoom: 5,
        onLayerLoading: () => {},
        onLayerLoad: () => {},
        onLayerError: () => {},
        resize: 0,
        registerHooks: true,
        hookRegister: {
            registerHook
        },
        style: {},
        interactive: true,
        resolutions: getGoogleMercatorResolutions(0, 23),
        onMouseOut: () => {},
        onResolutionsChange: () => {}
    };

    state = { };

    UNSAFE_componentWillMount() {
        this.zoomOffset = 0;
        if (this.props.mapOptions && this.props.mapOptions.view && this.props.mapOptions.view.resolutions && this.props.mapOptions.view.resolutions.length > 0) {
            const scaleFun = L.CRS.EPSG3857.scale;
            const ratio = this.props.mapOptions.view.resolutions[0] / getGoogleMercatorResolutions(0, 23)[0];
            this.crs = Object.assign({}, L.CRS.EPSG3857, {
                scale: (zoom) => {
                    return scaleFun.call(L.CRS.EPSG3857, zoom) / Math.pow(2, Math.round(Math.log2(ratio)));
                }
            });
            this.zoomOffset = Math.round(Math.log2(ratio));
        }
    }
    componentDidMount() {
        const {limits = {}} = this.props;
        const maxBounds = limits.restrictedExtent && limits.crs && reprojectBbox(limits.restrictedExtent, limits.crs, "EPSG:4326");
        let mapOptions = Object.assign({}, this.props.interactive ? {} : {
            dragging: false,
            touchZoom: false,
            scrollWheelZoom: false,
            doubleClickZoom: false,
            boxZoom: false,
            tap: false,
            attributionControl: false,
            maxBounds: maxBounds && L.latLngBounds([
                [maxBounds[1], maxBounds[0]],
                [maxBounds[3], maxBounds[2]]
            ]),
            maxBoundsViscosity: maxBounds && 1.0,
            minZoom: limits && limits.minZoom,
            maxZoom: limits && limits.maxZoom || 23
        }, this.props.mapOptions, this.crs ? {crs: this.crs} : {});
        // it is not possible to use #<id> in a query selector if the id starts with a number
        const map = L.map(this.getDocument().querySelector(`[id='${this.props.id}'] > .map-viewport`), Object.assign({ zoomControl: false }, mapOptions) ).setView([this.props.center.y, this.props.center.x],
            Math.round(this.props.zoom));

        this.map = map;
        if (this.props.registerHooks) {
            this.registerHooks();
        }
        // store zoomControl in the class to target the right control while add/remove
        if (this.props.zoomControl) {
            this.mapZoomControl = L.control.zoom();
            this.map.addControl(this.mapZoomControl);
        }

        this.attribution = L.control.attribution();
        this.attribution.addTo(this.map);
        const mapDocument = this.getDocument();
        if (this.props.mapOptions.attribution && this.props.mapOptions.attribution.container) {
            mapDocument.querySelector(this.props.mapOptions.attribution.container).appendChild(this.attribution.getContainer());
            if (mapDocument.querySelector('.leaflet-control-container .leaflet-control-attribution')) {
                mapDocument.querySelector('.leaflet-control-container .leaflet-control-attribution').parentNode.removeChild(mapDocument.querySelector('.leaflet-control-container .leaflet-control-attribution'));
            }
        }

        this.map.on('moveend', this.updateMapInfoState);
        // this uses the hook defined in ./SingleClick.js for leaflet 0.7.*
        this.map.on('singleclick', (event) => {
            if (this.props.onClick) {
                const intersectedFeatures = this.getIntersectedFeatures(map, event.latlng);
                this.props.onClick({
                    pixel: {
                        x: event.containerPoint.x,
                        y: event.containerPoint.y
                    },
                    latlng: {
                        lat: event.latlng.lat,
                        lng: event.latlng.lng,
                        z: this.getElevation(event.latlng, event.containerPoint)
                    },
                    rawPos: [event.latlng.lat, event.latlng.lng],
                    modifiers: {
                        alt: event.originalEvent.altKey,
                        ctrl: event.originalEvent.ctrlKey,
                        metaKey: event.originalEvent.metaKey, // MAC OS
                        shift: event.originalEvent.shiftKey
                    },
                    intersectedFeatures
                });
            }
        });
        const mouseMove = throttle(this.mouseMoveEvent, 100);
        this.map.on('dragstart', () => { this.map.off('mousemove', mouseMove); });
        this.map.on('dragend', () => { this.map.on('mousemove', mouseMove); });
        this.map.on('mousemove', mouseMove);
        this.map.on('contextmenu', () => {
            if (this.props.onRightClick) {
                this.props.onRightClick(event.containerPoint);
            }
        });
        // The timeout is needed to cover the delay we have for the throttled mouseMove event.
        this.map.on('mouseout', () => {
            setTimeout(() => this.props.onMouseOut(), 150);
        });

        this.updateMapInfoState();
        this.setMousePointer(this.props.mousePointer);
        // NOTE: this re-call render function after div creation to have the map initialized.
        this.forceUpdate();
        this.props.onResolutionsChange(this.getResolutions());
        this.map.on('layeradd', (event) => {
            // we want to run init code only the first time a layer is added to the map
            if (event.layer._ms2Added) {
                const isStopped = event.layer.layerLoadingStream$ && event.layer.layerLoadingStream$.isStopped;
                this.addLayerObservable(event, isStopped);
                return;
            }
            event.layer._ms2Added = true;

            // avoid binding if not possible, e.g. for measurement vector layers
            if (!event.layer.layerId) {
                return;
            }
            if (event.layer && event.layer.options && event.layer.options.msLayer === 'vector') {
                return;
            }

            if (event && event.layer && event.layer.on ) {
                // TODO check event.layer.on is a function
                // Needed to fix GeoJSON Layer neverending loading

                this.addLayerObservable(event, true);

                if (!(event.layer.options && event.layer.options.hideLoading)) {
                    this.props.onLayerLoading(event.layer.layerId);
                    event.layer.layerLoadingStream$.next();
                }

                event.layer.on('loading', (loadingEvent) => {
                    this.props.onLayerLoading(loadingEvent.target.layerId);
                    event.layer.layerLoadingStream$.next();
                });

                event.layer.on('load', (loadEvent) => {
                    this.props.onLayerLoad(loadEvent.target.layerId);
                    event.layer.layerLoadStream$.next();

                });

                event.layer.on('tileloadstart ', () => { event.layer._ms2LoadingTileCount++; });
                if (event.layer.options && !event.layer.options.hideErrors || !event.layer.options) {
                    event.layer.on('tileerror', (errorEvent) => { event.layer.layerErrorStream$.next(errorEvent); });
                }
                // WFS data
                event.layer.on('loaderror', (error) => {
                    this.props.onLayerError(error.target.layerId);
                });
            }
        });

        this.map.on('layerremove', (event) => {
            if (event.layer.layerLoadingStream$) {
                event.layer.layerLoadingStream$.complete();
                event.layer.layerLoadStream$.complete();
                event.layer.layerErrorStream$.complete();
            }
        });

        this.drawControl = null;
    }

    UNSAFE_componentWillReceiveProps(newProps) {

        if (newProps.mousePointer !== this.props.mousePointer) {
            this.setMousePointer(newProps.mousePointer);
        }
        // update the position if the map is not the source of the state change
        if (this.map && newProps.mapStateSource !== this.props.id) {
            this._updateMapPositionFromNewProps(newProps);
        }
        if (newProps.zoomControl !== this.props.zoomControl) {
            if (newProps.zoomControl) {
                this.mapZoomControl = L.control.zoom();
                this.map.addControl(this.mapZoomControl);
            } else if (this.mapZoomControl && !newProps.zoomControl) {
                this.map.removeControl(this.mapZoomControl);
                this.mapZoomControl = undefined;
            }
        }
        if (newProps.resize !== this.props.resize) {
            setTimeout(() => {
                if (this.map) {
                    this.map.invalidateSize(false);
                }
            }, 0);
        }
        // update map limits
        if (this.props.limits !== newProps.limits) {
            const {limits = {}} = newProps;
            const {limits: oldLimits} = this.props;
            if (limits.restrictedExtent !== (oldLimits && oldLimits.restrictedExtent)) {
                const maxBounds = limits.restrictedExtent && limits.crs && reprojectBbox(limits.restrictedExtent, limits.crs, "EPSG:4326");
                this.map.setMaxBounds(limits.restrictedExtent && L.latLngBounds([
                    [maxBounds[1], maxBounds[0]],
                    [maxBounds[3], maxBounds[2]]
                ]));
            }
            if (limits.minZoom !== (oldLimits && oldLimits.minZoom)) {
                this.map.setMinZoom(limits.minZoom);
            }
            this.props.onResolutionsChange(this.getResolutions());
        }
        return false;
    }

    componentWillUnmount() {
        const mapDocument = this.getDocument();
        const attributionContainer = this.props.mapOptions.attribution && this.props.mapOptions.attribution.container && mapDocument.querySelector(this.props.mapOptions.attribution.container);
        if (attributionContainer && this.attribution.getContainer() && attributionContainer.querySelector('.leaflet-control-attribution')) {
            try {
                attributionContainer.removeChild(this.attribution.getContainer());
            } catch (e) {
                // do nothing... probably an old configuration
            }
        }

        if (this.mapZoomControl) {
            this.map.removeControl(this.mapZoomControl);
            this.mapZoomControl = undefined;
        }
        // remove all events
        this.map.off();
        // remove map and set to undefined for setTimeout for .invalidateSize action
        this.map.remove();
        this.map = undefined;
    }

    getDocument = () => {
        return this.props.document || document;
    };

    getResolutions = () => {
        return this.props.resolutions;
    };

    getIntersectedFeatures = (map, latlng) => {
        let groupIntersectedFeatures = {};
        const clickBounds = L.latLngBounds(latlng, latlng);
        map.eachLayer((layer) => {
            if (layer?.layerId && layer?.eachLayer) {
                layer.eachLayer(feature => {

                    const centerBounds = feature?.getLatLng
                        ? L.latLngBounds(feature.getLatLng(), feature.getLatLng())
                        : null;
                    const bounds = feature?.getBounds
                        ? feature.getBounds()
                        : centerBounds;

                    if (bounds && feature?.toGeoJSON) {
                        if (bounds && clickBounds.intersects(bounds)) {
                            const geoJSONFeature = feature.toGeoJSON();
                            groupIntersectedFeatures[layer.layerId] = groupIntersectedFeatures[layer.layerId]
                                ? [ ...groupIntersectedFeatures[layer.layerId], geoJSONFeature ]
                                : [ geoJSONFeature ];
                        }
                    }
                });
            }
        });
        return Object.keys(groupIntersectedFeatures).map(id => ({ id, features: groupIntersectedFeatures[id] }));
    }

    getElevation(pos, containerPoint) {
        const elevationLayers = this.map.msElevationLayers || [];
        return elevationLayers?.[0]?.getElevation
            ? elevationLayers[0].getElevation(pos, containerPoint)
            : undefined;
    }

    render() {
        const map = this.map;
        const mapProj = this.props.projection;
        const children = map ? React.Children.map(this.props.children, child => {
            return child ? React.cloneElement(child, {
                map: map,
                projection: mapProj,
                zoomOffset: this.zoomOffset,
                onCreationError: this.props.onCreationError,
                onClick: this.props.onClick,
                resolutions: this.getResolutions(),
                zoom: this.props.zoom
            }) : null;
        }) : null;
        return (
            <div id={this.props.id} style={this.props.style}>
                <div
                    className="map-viewport"
                    style={{
                        position: 'relative',
                        overflow: 'hidden',
                        width: '100%',
                        height: '100%'
                    }}
                ></div>
                {children}
            </div>
        );
    }

    _updateMapPositionFromNewProps = (newProps) => {
        // current implementation will update the map only if the movement
        // between 12 decimals in the reference system to avoid rounded value
        // changes due to float mathematic operations.
        const isNearlyEqual = function(a, b) {
            if (a === undefined || b === undefined) {
                return false;
            }
            return a.toFixed(12) - b.toFixed(12) === 0;
        };

        // getting all centers we need to check
        const newCenter = newProps.center;
        const currentCenter = this.props.center;
        const mapCenter = this.map.getCenter();
        // checking if the current props are the same
        const propsCentersEqual = isNearlyEqual(newCenter.x, currentCenter.x) &&
                                  isNearlyEqual(newCenter.y, currentCenter.y);
        // if props are the same nothing to do, otherwise
        // we need to check if the new center is equal to map center
        const centerIsNotUpdated = propsCentersEqual ||
                                   isNearlyEqual(newCenter.x, mapCenter.lng) &&
                                    isNearlyEqual(newCenter.y, mapCenter.lat);

        // getting all zoom values we need to check
        const newZoom = newProps.zoom;
        const currentZoom = this.props.zoom;
        const mapZoom = this.map.getZoom();
        // checking if the current props are the same
        const propsZoomEqual = newZoom === currentZoom;
        // if props are the same nothing to do, otherwise
        // we need to check if the new zoom is equal to map zoom
        const zoomIsNotUpdated = propsZoomEqual || newZoom === mapZoom;

        // do the change at the same time, to avoid glitches
        if (!centerIsNotUpdated && !zoomIsNotUpdated) {
            this.map.setView([newProps.center.y, newProps.center.x], Math.round(newProps.zoom));
        } else if (!zoomIsNotUpdated) {
            this.map.setZoom(newProps.zoom);
        } else if (!centerIsNotUpdated) {
            this.map.setView([newProps.center.y, newProps.center.x]);
        }
    };

    updateMapInfoState = () => {
        const bbox = this.map.getBounds().toBBoxString().split(',');
        const size = {
            height: this.map.getSize().y,
            width: this.map.getSize().x
        };
        const center = this.map.getCenter();
        const zoom = this.map.getZoom();
        const viewerOptions = this.props.viewerOptions;
        this.props.onMapViewChanges(
            {
                x: center.lng,
                y: center.lat,
                crs: "EPSG:4326"
            },
            zoom,
            {
                bounds: {
                    minx: parseFloat(bbox[0]),
                    miny: parseFloat(bbox[1]),
                    maxx: parseFloat(bbox[2]),
                    maxy: parseFloat(bbox[3])
                },
                crs: 'EPSG:4326',
                rotation: 0
            },
            size,
            this.props.id,
            this.props.projection,
            viewerOptions, // viewerOptions
            this.getResolutions()[Math.round(zoom)] // resolution
        );
    };

    setMousePointer = (pointer) => {
        if (this.map) {
            const mapDiv = this.map.getContainer();
            mapDiv.style.cursor = pointer || 'auto';
        }
    };

    mouseMoveEvent = (event) => {
        let pos = event.latlng.wrap();
        const intersectedFeatures = this.getIntersectedFeatures(this.map, event.latlng);
        this.props.onMouseMove({
            x: pos.lng || 0.0,
            y: pos.lat || 0.0,
            z: this.getElevation(pos, event.containerPoint),
            crs: "EPSG:4326",
            pixel: {
                x: event.containerPoint.x,
                y: event.containerPoint.y
            },
            latlng: {
                lat: event.latlng.lat,
                lng: event.latlng.lng,
                z: this.getElevation(event.latlng, event.containerPoint)
            },
            rawPos: [event.latlng.lat, event.latlng.lng],
            intersectedFeatures
        });
    };

    registerHooks = () => {
        this.props.hookRegister.registerHook(EXTENT_TO_ZOOM_HOOK, (extent) => {
            var repojectedPointA = reproject([extent[0], extent[1]], this.props.projection, 'EPSG:4326');
            var repojectedPointB = reproject([extent[2], extent[3]], this.props.projection, 'EPSG:4326');
            return this.map.getBoundsZoom([[repojectedPointA.y, repojectedPointA.x], [repojectedPointB.y, repojectedPointB.x]]) - 1;
        });
        this.props.hookRegister.registerHook(RESOLUTIONS_HOOK, () => {
            return this.getResolutions();
        });
        this.props.hookRegister.registerHook(COMPUTE_BBOX_HOOK, (center, zoom) => {
            let latLngCenter = L.latLng([center.y, center.x]);
            // this call will use map internal size
            let topLeftPoint = this.map._getNewPixelOrigin(latLngCenter, zoom);
            let pixelBounds = new L.Bounds(topLeftPoint, topLeftPoint.add(this.map.getSize()));
            let southWest = this.map.unproject(pixelBounds.getBottomLeft(), zoom);
            let northEast = this.map.unproject(pixelBounds.getTopRight(), zoom);
            let bbox = new L.LatLngBounds(southWest, northEast).toBBoxString().split(',');
            return {
                bounds: {
                    minx: parseFloat(bbox[0]),
                    miny: parseFloat(bbox[1]),
                    maxx: parseFloat(bbox[2]),
                    maxy: parseFloat(bbox[3])
                },
                crs: 'EPSG:4326',
                rotation: 0
            };
        });
        this.props.hookRegister.registerHook(GET_PIXEL_FROM_COORDINATES_HOOK, (pos) => {
            let latLng = reproject(pos, this.props.projection, 'EPSG:4326');
            let pixel = this.map.latLngToContainerPoint([latLng.y, latLng.x]);
            return [pixel.x, pixel.y];
        });
        this.props.hookRegister.registerHook(GET_COORDINATES_FROM_PIXEL_HOOK, (pixel) => {
            const point = this.map.containerPointToLatLng(pixel);
            let pos = reproject([point.lng, point.lat], 'EPSG:4326', this.props.projection);
            return [pos.x, pos.y];
        });
        this.props.hookRegister.registerHook(ZOOM_TO_EXTENT_HOOK, (extent, { padding, crs, maxZoom, duration } = {}) => {
            const paddingTopLeft = padding && L.point(padding.left || 0, padding.top || 0);
            const paddingBottomRight = padding && L.point(padding.right || 0, padding.bottom || 0);
            const bounds = reprojectBbox(extent, crs, 'EPSG:4326');
            // bbox is minx, miny, maxx, maxy'southwest_lng,southwest_lat,northeast_lng,northeast_lat'
            this.map.fitBounds([
                // sw
                [bounds[1], bounds[0]],
                // ne
                [bounds[3], bounds[2]]
            ],
            {
                paddingTopLeft,
                paddingBottomRight,
                maxZoom,
                duration,
                animate: duration === 0 ? false : undefined
            }
            );
        });
    };

    addLayerObservable = (event, stopped) => {

        if (!event.layer.layerId
        || event.layer && event.layer.options && event.layer.options.msLayer === 'vector') {
            return;
        }

        if (event && event.layer && event.layer.on && stopped) {

            event.layer._ms2LoadingTileCount = 0;

            event.layer.layerLoadingStream$ = new Rx.Subject();
            event.layer.layerLoadStream$ = new Rx.Subject();
            event.layer.layerErrorStream$ = new Rx.Subject();
            event.layer.layerErrorStream$
                .bufferToggle(
                    event.layer.layerLoadingStream$,
                    () => event.layer.layerLoadStream$)
                .subscribe({
                    next: errorEvent => {
                        const loadingTileCount = event.layer._ms2LoadingTileCount || errorEvent && errorEvent.length || 0;
                        if (errorEvent && errorEvent.length > 0) {
                            this.props.onLayerError(errorEvent[0].target.layerId, loadingTileCount, errorEvent.length);
                        }
                        event.layer._ms2LoadingTileCount = 0;
                    }
                });
        }
    };
}

export default LeafletMap;

geosolutions-it / MapStore2 / 15715217843

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