import autoBind from 'react-autobind';
import React from 'react'
import cloneDeep from 'lodash.clonedeep'
import clamp from 'lodash.clamp'
import buffer from 'buffer'
import get from 'lodash.get'
import {unset} from 'lodash'
import {arrayMoveMutable} from 'array-move'
import url from 'url'
import hash from "string-hash";
import MapMaplibreGl from './MapMaplibreGl'
import MapOpenLayers from './MapOpenLayers'
import LayerList from './LayerList'
import LayerEditor from './LayerEditor'
import AppToolbar from './AppToolbar'
import AppLayout from './AppLayout'
import MessagePanel from './AppMessagePanel'
import ModalSettings from './ModalSettings'
import ModalExport from './ModalExport'
import ModalSources from './ModalSources'
import ModalOpen from './ModalOpen'
import ModalShortcuts from './ModalShortcuts'
import ModalSurvey from './ModalSurvey'
import ModalDebug from './ModalDebug'
import { downloadGlyphsMetadata, downloadSpriteMetadata } from '../libs/metadata'
import {latest, validate} from '@maplibre/maplibre-gl-style-spec'
import style from '../libs/style'
import { initialStyleUrl, loadStyleUrl, removeStyleQuerystring } from '../libs/urlopen'
import { undoMessages, redoMessages } from '../libs/diffmessage'
import { StyleStore } from '../libs/stylestore'
import { ApiStyleStore } from '../libs/apistore'
import { RevisionStore } from '../libs/revisions'
import LayerWatcher from '../libs/layerwatcher'
import tokens from '../config/tokens.json'
import isEqual from 'lodash.isequal'
import Debug from '../libs/debug'
import {formatLayerId} from '../util/format';
// Buffer must be defined globally for @maplibre/maplibre-gl-style-spec validate() function to succeed.
window.Buffer = buffer.Buffer;
function setFetchAccessToken(url, mapStyle) {
const matchesTilehosting = url.match(/\.tilehosting\.com/);
const matchesMaptiler = url.match(/\.maptiler\.com/);
const matchesThunderforest = url.match(/\.thunderforest\.com/);
if (matchesTilehosting || matchesMaptiler) {
const accessToken = style.getAccessToken("openmaptiles", mapStyle, {allowFallback: true})
if (accessToken) {
return url.replace('{key}', accessToken)
}
}
else if (matchesThunderforest) {
const accessToken = style.getAccessToken("thunderforest", mapStyle, {allowFallback: true})
if (accessToken) {
return url.replace('{key}', accessToken)
}
}
else {
return url;
}
}
function updateRootSpec(spec, fieldName, newValues) {
return {
...spec,
$root: {
...spec.$root,
[fieldName]: {
...spec.$root[fieldName],
values: newValues
}
}
}
}
export default class App extends React.Component {
constructor(props) {
super(props)
autoBind(this);
this.revisionStore = new RevisionStore()
const params = new URLSearchParams(window.location.search.substring(1))
let port = params.get("localport")
if (port == null && (window.location.port != 80 && window.location.port != 443)) {
port = window.location.port
}
this.styleStore = new ApiStyleStore({
onLocalStyleChange: mapStyle => this.onStyleChanged(mapStyle, {save: false}),
port: port,
host: params.get("localhost")
})
const shortcuts = [
{
key: "?",
handler: () => {
this.toggleModal("shortcuts");
}
},
{
key: "o",
handler: () => {
this.toggleModal("open");
}
},
{
key: "e",
handler: () => {
this.toggleModal("export");
}
},
{
key: "d",
handler: () => {
this.toggleModal("sources");
}
},
{
key: "s",
handler: () => {
this.toggleModal("settings");
}
},
{
key: "i",
handler: () => {
this.setMapState(
this.state.mapState === "map" ? "inspect" : "map"
);
}
},
{
key: "m",
handler: () => {
document.querySelector(".maplibregl-canvas").focus();
}
},
{
key: "!",
handler: () => {
this.toggleModal("debug");
}
},
]
document.body.addEventListener("keyup", (e) => {
if(e.key === "Escape") {
e.target.blur();
document.body.focus();
}
else if(this.state.isOpen.shortcuts || document.activeElement === document.body) {
const shortcut = shortcuts.find((shortcut) => {
return (shortcut.key === e.key)
})
if(shortcut) {
this.setModal("shortcuts", false);
shortcut.handler(e);
}
}
})
const styleUrl = initialStyleUrl()
if(styleUrl && window.confirm("Load style from URL: " + styleUrl + " and discard current changes?")) {
this.styleStore = new StyleStore()
loadStyleUrl(styleUrl, mapStyle => this.onStyleChanged(mapStyle))
removeStyleQuerystring()
} else {
if(styleUrl) {
removeStyleQuerystring()
}
this.styleStore.init(err => {
if(err) {
console.log('Falling back to local storage for storing styles')
this.styleStore = new StyleStore()
}
this.styleStore.latestStyle(mapStyle => this.onStyleChanged(mapStyle, {initialLoad: true}))
if(Debug.enabled()) {
Debug.set("maputnik", "styleStore", this.styleStore);
Debug.set("maputnik", "revisionStore", this.revisionStore);
}
})
}
if(Debug.enabled()) {
Debug.set("maputnik", "revisionStore", this.revisionStore);
Debug.set("maputnik", "styleStore", this.styleStore);
}
const queryObj = url.parse(window.location.href, true).query;
this.state = {
errors: [],
infos: [],
mapStyle: style.emptyStyle,
selectedLayerIndex: 0,
sources: {},
vectorLayers: {},
mapState: "map",
spec: latest,
mapView: {
zoom: 0,
center: {
lng: 0,
lat: 0,
},
},
isOpen: {
settings: false,
sources: false,
open: false,
shortcuts: false,
export: false,
// TODO: Disabled for now, this should be opened on the Nth visit to the editor
survey: false,
debug: false,
},
maplibreGlDebugOptions: {
showTileBoundaries: false,
showCollisionBoxes: false,
showOverdrawInspector: false,
},
openlayersDebugOptions: {
debugToolbox: false,
},
}
this.layerWatcher = new LayerWatcher({
onVectorLayersChange: v => this.setState({ vectorLayers: v })
})
}
handleKeyPress = (e) => {
if(navigator.platform.toUpperCase().indexOf('MAC') >= 0) {
if(e.metaKey && e.shiftKey && e.keyCode === 90) {
e.preventDefault();
this.onRedo(e);
}
else if(e.metaKey && e.keyCode === 90) {
e.preventDefault();
this.onUndo(e);
}
}
else {
if(e.ctrlKey && e.keyCode === 90) {
e.preventDefault();
this.onUndo(e);
}
else if(e.ctrlKey && e.keyCode === 89) {
e.preventDefault();
this.onRedo(e);
}
}
}
componentDidMount() {
window.addEventListener("keydown", this.handleKeyPress);
}
componentWillUnmount() {
window.removeEventListener("keydown", this.handleKeyPress);
}
saveStyle(snapshotStyle) {
this.styleStore.save(snapshotStyle)
}
updateFonts(urlTemplate) {
const metadata = this.state.mapStyle.metadata || {}
const accessToken = metadata['maputnik:openmaptiles_access_token'] || tokens.openmaptiles
let glyphUrl = (typeof urlTemplate === 'string')? urlTemplate.replace('{key}', accessToken): urlTemplate;
downloadGlyphsMetadata(glyphUrl, fonts => {
this.setState({ spec: updateRootSpec(this.state.spec, 'glyphs', fonts)})
})
}
updateIcons(baseUrl) {
downloadSpriteMetadata(baseUrl, icons => {
this.setState({ spec: updateRootSpec(this.state.spec, 'sprite', icons)})
})
}
onChangeMetadataProperty = (property, value) => {
// If we're changing renderer reset the map state.
if (
property === 'maputnik:renderer' &&
value !== get(this.state.mapStyle, ['metadata', 'maputnik:renderer'], 'mlgljs')
) {
this.setState({
mapState: 'map'
});
}
const changedStyle = {
...this.state.mapStyle,
metadata: {
...this.state.mapStyle.metadata,
[property]: value
}
}
this.onStyleChanged(changedStyle)
}
onStyleChanged = (newStyle, opts={}) => {
opts = {
save: true,
addRevision: true,
initialLoad: false,
...opts,
};
if (opts.initialLoad) {
this.getInitialStateFromUrl(newStyle);
}
const errors = validate(newStyle, latest) || [];
// The validate function doesn't give us errors for duplicate error with
// empty string for layer.id, manually deal with that here.
const layerErrors = [];
if (newStyle && newStyle.layers) {
const foundLayers = new Map();
newStyle.layers.forEach((layer, index) => {
if (layer.id === "" && foundLayers.has(layer.id)) {
const message = `Duplicate layer: ${formatLayerId(layer.id)}`;
const error = new Error(
`layers[${index}]: duplicate layer id [empty_string], previously used`
);
layerErrors.push(error);
}
foundLayers.set(layer.id, true);
});
}
const mappedErrors = layerErrors.concat(errors).map(error => {
// Special case: Duplicate layer id
const dupMatch = error.message.match(/layers\[(\d+)\]: (duplicate layer id "?(.*)"?, previously used)/);
if (dupMatch) {
const [matchStr, index, message] = dupMatch;
return {
message: error.message,
parsed: {
type: "layer",
data: {
index: parseInt(index, 10),
key: "id",
message,
}
}
}
}
// Special case: Invalid source
const invalidSourceMatch = error.message.match(/layers\[(\d+)\]: (source "(?:.*)" not found)/);
if (invalidSourceMatch) {
const [matchStr, index, message] = invalidSourceMatch;
return {
message: error.message,
parsed: {
type: "layer",
data: {
index: parseInt(index, 10),
key: "source",
message,
}
}
}
}
const layerMatch = error.message.match(/layers\[(\d+)\]\.(?:(\S+)\.)?(\S+): (.*)/);
if (layerMatch) {
const [matchStr, index, group, property, message] = layerMatch;
const key = (group && property) ? [group, property].join(".") : property;
return {
message: error.message,
parsed: {
type: "layer",
data: {
index: parseInt(index, 10),
key,
message
}
}
}
}
else {
return {
message: error.message,
};
}
});
let dirtyMapStyle = undefined;
if (errors.length > 0) {
dirtyMapStyle = cloneDeep(newStyle);
errors.forEach(error => {
const {message} = error;
if (message) {
try {
const objPath = message.split(":")[0];
// Errors can be deply nested for example 'layers[0].filter[1][1][0]' we only care upto the property 'layers[0].filter'
const unsetPath = objPath.match(/^\S+?\[\d+\]\.[^\[]+/)[0];
unset(dirtyMapStyle, unsetPath);
}
catch (err) {
console.warn(err);
}
}
});
}
if(newStyle.glyphs !== this.state.mapStyle.glyphs) {
this.updateFonts(newStyle.glyphs)
}
if(newStyle.sprite !== this.state.mapStyle.sprite) {
this.updateIcons(newStyle.sprite)
}
if (opts.addRevision) {
this.revisionStore.addRevision(newStyle);
}
if (opts.save) {
this.saveStyle(newStyle);
}
this.setState({
mapStyle: newStyle,
dirtyMapStyle: dirtyMapStyle,
errors: mappedErrors,
}, () => {
this.fetchSources();
this.setStateInUrl();
})
}
onUndo = () => {
const activeStyle = this.revisionStore.undo()
const messages = undoMessages(this.state.mapStyle, activeStyle)
this.onStyleChanged(activeStyle, {addRevision: false});
this.setState({
infos: messages,
})
}
onRedo = () => {
const activeStyle = this.revisionStore.redo()
const messages = redoMessages(this.state.mapStyle, activeStyle)
this.onStyleChanged(activeStyle, {addRevision: false});
this.setState({
infos: messages,
})
}
onMoveLayer = (move) => {
let { oldIndex, newIndex } = move;
let layers = this.state.mapStyle.layers;
oldIndex = clamp(oldIndex, 0, layers.length-1);
newIndex = clamp(newIndex, 0, layers.length-1);
if(oldIndex === newIndex) return;
if (oldIndex === this.state.selectedLayerIndex) {
this.setState({
selectedLayerIndex: newIndex
});
}
layers = layers.slice(0);
arrayMoveMutable(layers, oldIndex, newIndex);
this.onLayersChange(layers);
}
onLayersChange = (changedLayers) => {
const changedStyle = {
...this.state.mapStyle,
layers: changedLayers
}
this.onStyleChanged(changedStyle)
}
onLayerDestroy = (index) => {
let layers = this.state.mapStyle.layers;
const remainingLayers = layers.slice(0);
remainingLayers.splice(index, 1);
this.onLayersChange(remainingLayers);
}
onLayerCopy = (index) => {
let layers = this.state.mapStyle.layers;
const changedLayers = layers.slice(0)
const clonedLayer = cloneDeep(changedLayers[index])
clonedLayer.id = clonedLayer.id + "-copy"
changedLayers.splice(index, 0, clonedLayer)
this.onLayersChange(changedLayers)
}
onLayerVisibilityToggle = (index) => {
let layers = this.state.mapStyle.layers;
const changedLayers = layers.slice(0)
const layer = { ...changedLayers[index] }
const changedLayout = 'layout' in layer ? {...layer.layout} : {}
changedLayout.visibility = changedLayout.visibility === 'none' ? 'visible' : 'none'
layer.layout = changedLayout
changedLayers[index] = layer
this.onLayersChange(changedLayers)
}
onLayerIdChange = (index, oldId, newId) => {
const changedLayers = this.state.mapStyle.layers.slice(0)
changedLayers[index] = {
...changedLayers[index],
id: newId
}
this.onLayersChange(changedLayers)
}
onLayerChanged = (index, layer) => {
const changedLayers = this.state.mapStyle.layers.slice(0)
changedLayers[index] = layer
this.onLayersChange(changedLayers)
}
setMapState = (newState) => {
this.setState({
mapState: newState
}, this.setStateInUrl);
}
setDefaultValues = (styleObj) => {
const metadata = styleObj.metadata || {}
if(metadata['maputnik:renderer'] === undefined) {
const changedStyle = {
...styleObj,
metadata: {
...styleObj.metadata,
'maputnik:renderer': 'mlgljs'
}
}
return changedStyle
} else {
return styleObj
}
}
openStyle = (styleObj) => {
styleObj = this.setDefaultValues(styleObj)
this.onStyleChanged(styleObj)
}
fetchSources() {
const sourceList = {};
for(let [key, val] of Object.entries(this.state.mapStyle.sources)) {
if(
!this.state.sources.hasOwnProperty(key) &&
val.type === "vector" &&
val.hasOwnProperty("url")
) {
sourceList[key] = {
type: val.type,
layers: []
};
let url = val.url;
try {
url = setFetchAccessToken(url, this.state.mapStyle)
} catch(err) {
console.warn("Failed to setFetchAccessToken: ", err);
}
fetch(url, {
mode: 'cors',
})
.then(response => response.json())
.then(json => {
if(!json.hasOwnProperty("vector_layers")) {
return;
}
// Create new objects before setState
const sources = Object.assign({}, {
[key]: this.state.sources[key],
});
for(let layer of json.vector_layers) {
sources[key].layers.push(layer.id)
}
console.debug("Updating source: "+key);
this.setState({
sources: sources
});
})
.catch(err => {
console.error("Failed to process sources for '%s'", url, err);
});
}
else {
sourceList[key] = this.state.sources[key] || this.state.mapStyle.sources[key];
}
}
if(!isEqual(this.state.sources, sourceList)) {
console.debug("Setting sources");
this.setState({
sources: sourceList
})
}
}
_getRenderer () {
const metadata = this.state.mapStyle.metadata || {};
return metadata['maputnik:renderer'] || 'mlgljs';
}
onMapChange = (mapView) => {
this.setState({
mapView,
});
}
mapRenderer() {
const {mapStyle, dirtyMapStyle} = this.state;
const metadata = this.state.mapStyle.metadata || {};
const mapProps = {
mapStyle: (dirtyMapStyle || mapStyle),
replaceAccessTokens: (mapStyle) => {
return style.replaceAccessTokens(mapStyle, {
allowFallback: true
});
},
onDataChange: (e) => {
this.layerWatcher.analyzeMap(e.map)
this.fetchSources();
},
}
const renderer = this._getRenderer();
let mapElement;
// Check if OL code has been loaded?
if(renderer === 'ol') {
mapElement =