Merge develop

Customizations/JSON/LayerConfig.ts

@@ -49,6 +49,7 @@ export default class LayerConfig {
     wayHandling: number;
     public readonly units: Unit[];
     public readonly deletion: DeleteConfig | null;
+    public readonly allowSplit: boolean
 
     presets: {
         title: Translation,
@@ -70,6 +71,7 @@ export default class LayerConfig {
         context = context + "." + json.id;
         const self = this;
         this.id = json.id;
+        this.allowSplit = json.allowSplit ?? false;
         this.name = Translations.T(json.name, context + ".name");
 
         if (json.description !== undefined) {
@@ -373,8 +375,7 @@ export default class LayerConfig {
 
     public GenerateLeafletStyle(
         tags: UIEventSource<any>,
-        clickable: boolean,
+        clickable: boolean
-        widthHeight = "100%"
     ): {
         icon: {
             html: BaseUIElement;

Customizations/JSON/LayerConfigJson.ts

@@ -298,4 +298,9 @@ export interface LayerConfigJson {
      */
     deletion?: boolean | DeleteConfigJson
 
+    /**
+     * IF set, a 'split this road' button is shown
+     */
+    allowSplit?: boolean
+
 }

Customizations/JSON/LayoutConfig.ts

@@ -66,7 +66,7 @@ export default class LayoutConfig {
             this.language = json.language;
         }
         if (this.language.length == 0) {
-            throw "No languages defined. Define at least one language"
+            throw `No languages defined. Define at least one language. (${context}.languages)`
         }
         if (json.title === undefined) {
             throw "Title not defined in " + this.id;

InitUiElements.ts

@@ -513,10 +513,10 @@ export class InitUiElements {
 
         const source = new FeaturePipeline(
             state.filteredLayers,
+            State.state.changes,
             updater,
             state.osmApiFeatureSource,
             state.layoutToUse,
-            state.changes,
             state.locationControl,
             state.selectedElement
         );

Logic/Actors/ChangeToElementsActor.ts

@@ -0,0 +1,36 @@
+import {ElementStorage} from "../ElementStorage";
+import {Changes} from "../Osm/Changes";
+
+export default class ChangeToElementsActor {
+    constructor(changes: Changes, allElements: ElementStorage) {
+        changes.pendingChanges.addCallbackAndRun(changes => {
+            for (const change of changes) {
+                const id = change.type + "/" + change.id;
+                if (!allElements.has(id)) {
+                    continue; // Ignored as the geometryFixer will introduce this
+                }
+                const src = allElements.getEventSourceById(id)
+
+                let changed = false;
+                for (const kv of change.tags ?? []) {
+                    // Apply tag changes and ping the consumers
+                    const k = kv.k
+                    let v = kv.v
+                    if (v === "") {
+                        v = undefined;
+                    }
+                    if (src.data[k] === v) {
+                        continue
+                    }
+                    changed = true;
+                    src.data[k] = v;
+                }
+                if (changed) {
+                    src.ping()
+                }
+
+
+            }
+        })
+    }
+}

Logic/Actors/PendingChangesUploader.ts

@@ -9,7 +9,7 @@ export default class PendingChangesUploader {
     constructor(changes: Changes, selectedFeature: UIEventSource<any>) {
         const self = this;
         this.lastChange = new Date();
-        changes.pending.addCallback(() => {
+        changes.pendingChanges.addCallback(() => {
             self.lastChange = new Date();
 
             window.setTimeout(() => {
@@ -54,7 +54,7 @@ export default class PendingChangesUploader {
 
 
         function onunload(e) {
-            if (changes.pending.data.length == 0) {
+            if(changes.pendingChanges.data.length == 0){
                 return;
             }
             changes.flushChanges("onbeforeunload - probably closing or something similar");

Logic/Actors/SelectedFeatureHandler.ts

@@ -13,7 +13,7 @@ export default class SelectedFeatureHandler {
     private readonly _hash: UIEventSource<string>;
     private readonly _selectedFeature: UIEventSource<any>;
 
-    private static readonly _no_trigger_on = ["welcome","copyright","layers"]
+    private static readonly _no_trigger_on = ["welcome","copyright","layers","new"]
     private readonly _osmApiSource: OsmApiFeatureSource;
     
     constructor(hash: UIEventSource<string>, 
@@ -60,7 +60,9 @@ export default class SelectedFeatureHandler {
         if(hash === undefined || SelectedFeatureHandler._no_trigger_on.indexOf(hash) >= 0){
             return; // No valid feature selected
         }
-        // We should have a valid osm-ID and zoom to it
+        // We should have a valid osm-ID and zoom to it... But we wrap it in try-catch to be sure
+        try{
+            
         OsmObject.DownloadObject(hash).addCallbackAndRunD(element => {
             const centerpoint = element.centerpoint();
             console.log("Zooming to location for select point: ", centerpoint)
@@ -68,6 +70,9 @@ export default class SelectedFeatureHandler {
             location.data.lon = centerpoint[1]
             location.ping();
         })
+        }catch(e){
+            console.error("Could not download OSM-object with id", hash, " - probably a weird hash")
+        }
     }
     
     private downloadFeature(hash:  string){

Logic/FeatureSource/ChangeApplicator.ts

@@ -0,0 +1,162 @@
+import FeatureSource from "./FeatureSource";
+import {UIEventSource} from "../UIEventSource";
+import {Changes} from "../Osm/Changes";
+import {ChangeDescription} from "../Osm/Actions/ChangeDescription";
+import {Utils} from "../../Utils";
+import {OsmNode, OsmRelation, OsmWay} from "../Osm/OsmObject";
+
+
+/**
+ * Applies changes from 'Changes' onto a featureSource
+ */
+export default class ChangeApplicator implements FeatureSource {
+    public readonly features: UIEventSource<{ feature: any; freshness: Date }[]>;
+    public readonly name: string;
+
+    constructor(source: FeatureSource, changes: Changes, mode?: {
+        generateNewGeometries: boolean
+    }) {
+
+        this.name = "ChangesApplied(" + source.name + ")"
+        this.features = source.features
+        const seenChanges = new Set<ChangeDescription>();
+        const self = this;
+        let runningUpdate = false;
+        source.features.addCallbackAndRunD(features => {
+            if (runningUpdate) {
+                return; // No need to ping again
+            }
+            ChangeApplicator.ApplyChanges(features, changes.pendingChanges.data, mode)
+            seenChanges.clear()
+        })
+
+        changes.pendingChanges.addCallbackAndRunD(changes => {
+            runningUpdate = true;
+            changes = changes.filter(ch => !seenChanges.has(ch))
+            changes.forEach(c => seenChanges.add(c))
+            ChangeApplicator.ApplyChanges(self.features.data, changes, mode)
+            source.features.ping()
+            runningUpdate = false;
+        })
+
+
+    }
+
+
+    /**
+     * Returns true if the geometry is changed and the source should be pinged
+     */
+    private static ApplyChanges(features: { feature: any; freshness: Date }[], cs: ChangeDescription[], mode: { generateNewGeometries: boolean }): boolean {
+        if (cs.length === 0 || features === undefined) {
+            return;
+        }
+
+        console.log("Applying changes ", this.name, cs)
+        let geometryChanged = false;
+        const changesPerId: Map<string, ChangeDescription[]> = new Map<string, ChangeDescription[]>()
+        for (const c of cs) {
+            const id = c.type + "/" + c.id
+            if (!changesPerId.has(id)) {
+                changesPerId.set(id, [])
+            }
+            changesPerId.get(id).push(c)
+        }
+
+
+        const now = new Date()
+
+        function add(feature) {
+            feature.id = feature.properties.id
+            features.push({
+                feature: feature,
+                freshness: now
+            })
+            console.log("Added a new feature: ", feature)
+            geometryChanged = true;
+        }
+
+        // First, create the new features - they have a negative ID
+        // We don't set the properties yet though
+        if (mode?.generateNewGeometries) {
+            changesPerId.forEach(cs => {
+                cs
+                    .forEach(change => {
+                        if (change.id >= 0) {
+                            return; // Nothing to do here, already created
+                        }
+
+                        if (change.changes === undefined) {
+                            // An update to the object - not the actual created
+                            return;
+                        }
+
+                        try {
+
+                            switch (change.type) {
+                                case "node":
+                                    const n = new OsmNode(change.id)
+                                    n.lat = change.changes["lat"]
+                                    n.lon = change.changes["lon"]
+                                    const geojson = n.asGeoJson()
+                                    add(geojson)
+                                    break;
+                                case "way":
+                                    const w = new OsmWay(change.id)
+                                    w.nodes = change.changes["nodes"]
+                                    add(w.asGeoJson())
+                                    break;
+                                case "relation":
+                                    const r = new OsmRelation(change.id)
+                                    r.members = change.changes["members"]
+                                    add(r.asGeoJson())
+                                    break;
+                            }
+
+                        } catch (e) {
+                            console.error(e)
+                        }
+                    })
+            })
+        }
+
+        for (const feature of features) {
+            const f = feature.feature;
+            const id = f.properties.id;
+            if (!changesPerId.has(id)) {
+                continue;
+            }
+
+
+            const changed = {}
+            // Copy all the properties
+            Utils.Merge(f, changed)
+            // play the changes onto the copied object
+
+            for (const change of changesPerId.get(id)) {
+                for (const kv of change.tags ?? []) {
+                    // Apply tag changes and ping the consumers
+                    f.properties[kv.k] = kv.v;
+                }
+
+                // Apply other changes to the object
+                if (change.changes !== undefined) {
+                    geometryChanged = true;
+                    switch (change.type) {
+                        case "node":
+                            // @ts-ignore
+                            const coor: { lat, lon } = change.changes;
+                            f.geometry.coordinates = [coor.lon, coor.lat]
+                            break;
+                        case "way":
+                            f.geometry.coordinates = change.changes["locations"]
+                            break;
+                        case "relation":
+                            console.error("Changes to relations are not yet supported")
+                            break;
+                    }
+                }
+            }
+        }
+        return geometryChanged
+    }
+}

Logic/FeatureSource/FeaturePipeline.ts

@@ -6,7 +6,6 @@ import FeatureDuplicatorPerLayer from "../FeatureSource/FeatureDuplicatorPerLaye
 import FeatureSource from "../FeatureSource/FeatureSource";
 import {UIEventSource} from "../UIEventSource";
 import LocalStorageSaver from "./LocalStorageSaver";
-import LayerConfig from "../../Customizations/JSON/LayerConfig";
 import LocalStorageSource from "./LocalStorageSource";
 import LayoutConfig from "../../Customizations/JSON/LayoutConfig";
 import Loc from "../../Models/Loc";
@@ -14,6 +13,8 @@ import GeoJsonSource from "./GeoJsonSource";
 import MetaTaggingFeatureSource from "./MetaTaggingFeatureSource";
 import RegisteringFeatureSource from "./RegisteringFeatureSource";
 import FilteredLayer from "../../Models/FilteredLayer";
+import {Changes} from "../Osm/Changes";
+import ChangeApplicator from "./ChangeApplicator";
 
 export default class FeaturePipeline implements FeatureSource {
 
@@ -22,10 +23,10 @@ export default class FeaturePipeline implements FeatureSource {
     public readonly name = "FeaturePipeline"
 
     constructor(flayers: UIEventSource<FilteredLayer[]>,
+                changes: Changes,
                 updater: FeatureSource,
                 fromOsmApi: FeatureSource,
                 layout: UIEventSource<LayoutConfig>,
-                newPoints: FeatureSource,
                 locationControl: UIEventSource<Loc>,
                 selectedElement: UIEventSource<any>) {
 
@@ -41,7 +42,9 @@ export default class FeaturePipeline implements FeatureSource {
                     new MetaTaggingFeatureSource(allLoadedFeatures,
                         new FeatureDuplicatorPerLayer(flayers,
                             new RegisteringFeatureSource(
-                                updater)
+                                new ChangeApplicator(
+                                    updater, changes
+                                ))
                         )), layout));
 
         const geojsonSources: FeatureSource [] = GeoJsonSource
@@ -49,8 +52,7 @@ export default class FeaturePipeline implements FeatureSource {
             .map(geojsonSource => {
                 let source = new RegisteringFeatureSource(
                     new FeatureDuplicatorPerLayer(flayers,
-                            geojsonSource
+                        new ChangeApplicator(geojsonSource, changes)));
-                    ));
                 if (!geojsonSource.isOsmCache) {
                     source = new MetaTaggingFeatureSource(allLoadedFeatures, source, updater.features);
                 }
@@ -58,25 +60,24 @@ export default class FeaturePipeline implements FeatureSource {
             });
 
         const amendedLocalStorageSource =
-            new RememberingSource(new RegisteringFeatureSource(new FeatureDuplicatorPerLayer(flayers, new LocalStorageSource(layout))
+            new RememberingSource(new RegisteringFeatureSource(new FeatureDuplicatorPerLayer(flayers, new ChangeApplicator(new LocalStorageSource(layout), changes))
             ));
 
-        newPoints = new MetaTaggingFeatureSource(allLoadedFeatures,
-            new FeatureDuplicatorPerLayer(flayers,
-                new RegisteringFeatureSource(newPoints)));
-
         const amendedOsmApiSource = new RememberingSource(
             new MetaTaggingFeatureSource(allLoadedFeatures,
                 new FeatureDuplicatorPerLayer(flayers,
-
+                    new RegisteringFeatureSource(new ChangeApplicator(fromOsmApi, changes,
-                    new RegisteringFeatureSource(fromOsmApi))));
+                        {
+                            // We lump in the new points here
+                            generateNewGeometries: true
+                        }
+                    )))));
 
         const merged =
             new FeatureSourceMerger([
                 amendedOverpassSource,
                 amendedOsmApiSource,
                 amendedLocalStorageSource,
-                newPoints,
                 ...geojsonSources
             ]);
 

Logic/FeatureSource/FeatureSourceMerger.ts

@@ -1,6 +1,10 @@
 import FeatureSource from "./FeatureSource";
 import {UIEventSource} from "../UIEventSource";
 
+/**
+ * Merges features from different featureSources
+ * Uses the freshest feature available in the case multiple sources offer data with the same identifier
+ */
 export default class FeatureSourceMerger implements FeatureSource {
 
     public features: UIEventSource<{ feature: any; freshness: Date }[]> = new UIEventSource<{ feature: any; freshness: Date }[]>([]);

Logic/FeatureSource/FilteringFeatureSource.ts

@@ -94,16 +94,9 @@ export default class FilteringFeatureSource implements FeatureSource {
                     return false;
                 }
 
-              
-
                 return true;
             });
-            console.log(
+
-                "Filtering layer source: input: ",
-                upstream.features.data?.length,
-                "output:",
-                newFeatures.length
-            );
             self.features.setData(newFeatures);
             if (missingLayers.size > 0) {
                 console.error(

Logic/FeatureSource/OsmApiFeatureSource.ts

@@ -15,15 +15,19 @@ export default class OsmApiFeatureSource implements FeatureSource {
 
 
     public load(id: string) {
-        if(id.indexOf("-") >= 0){
+        if (id.indexOf("-") >= 0) {
             // Newly added point - not yet in OSM
             return;
         }
         console.debug("Downloading", id, "from the OSM-API")
         OsmObject.DownloadObject(id).addCallbackAndRunD(element => {
-            const geojson = element.asGeoJson();
+            try {
-            geojson.id = geojson.properties.id;
+                const geojson = element.asGeoJson();
-            this.features.setData([{feature: geojson, freshness: element.timestamp}])
+                geojson.id = geojson.properties.id;
+                this.features.setData([{feature: geojson, freshness: element.timestamp}])
+            } catch (e) {
+                console.error(e)
+            }
         })
     }
 
@@ -58,7 +62,7 @@ export default class OsmApiFeatureSource implements FeatureSource {
             const bounds = Utils.tile_bounds(z, x, y);
             console.log("Loading OSM data tile", z, x, y, " with bounds", bounds)
             OsmObject.LoadArea(bounds, objects => {
-                const keptGeoJson: {feature:any, freshness: Date}[] = []
+                const keptGeoJson: { feature: any, freshness: Date }[] = []
                 // Which layer does the object match?
                 for (const object of objects) {
 
@@ -69,7 +73,7 @@ export default class OsmApiFeatureSource implements FeatureSource {
                         if (doesMatch) {
                             const geoJson = object.asGeoJson();
                             geoJson._matching_layer_id = layer.id
-                            keptGeoJson.push({feature: geoJson, freshness:  object.timestamp})
+                            keptGeoJson.push({feature: geoJson, freshness: object.timestamp})
                             break;
                         }
 

Logic/Osm/Actions/ChangeDescription.ts

@@ -0,0 +1,30 @@
+export interface ChangeDescription {
+
+    type: "node" | "way" | "relation",
+    /**
+     * Negative for a new objects
+     */
+    id: number,
+    /*
+ v = "" or v = undefined to erase this tag
+ */
+    tags?: { k: string, v: string }[],
+
+    changes?: {
+        lat: number,
+        lon: number
+    } | {
+        // Coordinates are only used for rendering
+        locations: [number, number][]
+        nodes: number[],
+    } | {
+        members: { type: "node" | "way" | "relation", ref: number, role: string }[]
+    }
+
+    /*
+    Set to delete the object
+     */
+    doDelete?: boolean
+
+
+}

Logic/Osm/Actions/ChangeTagAction.ts

@@ -0,0 +1,52 @@
+import OsmChangeAction from "./OsmChangeAction";
+import {Changes} from "../Changes";
+import {ChangeDescription} from "./ChangeDescription";
+import {TagsFilter} from "../../Tags/TagsFilter";
+
+export default class ChangeTagAction extends OsmChangeAction {
+    private readonly _elementId: string;
+    private readonly _tagsFilter: TagsFilter;
+    private readonly _currentTags: any;
+
+    constructor(elementId: string, tagsFilter: TagsFilter, currentTags: any) {
+        super();
+        this._elementId = elementId;
+        this._tagsFilter = tagsFilter;
+        this._currentTags = currentTags;
+    }
+
+    /**
+     * Doublechecks that no stupid values are added
+     */
+    private static checkChange(kv: { k: string, v: string }): { k: string, v: string } {
+        const key = kv.k;
+        const value = kv.v;
+        if (key === undefined || key === null) {
+            console.log("Invalid key");
+            return undefined;
+        }
+        if (value === undefined || value === null) {
+            console.log("Invalid value for ", key);
+            return undefined;
+        }
+
+        if (key.startsWith(" ") || value.startsWith(" ") || value.endsWith(" ") || key.endsWith(" ")) {
+            console.warn("Tag starts with or ends with a space - trimming anyway")
+        }
+
+        return {k: key.trim(), v: value.trim()};
+    }
+
+    CreateChangeDescriptions(changes: Changes): ChangeDescription [] {
+        const changedTags: { k: string, v: string }[] = this._tagsFilter.asChange(this._currentTags).map(ChangeTagAction.checkChange)
+        const typeId = this._elementId.split("/")
+        const type = typeId[0]
+        const id = Number(typeId  [1])
+        return [{
+            // @ts-ignore
+            type: type,
+            id: id,
+            tags: changedTags
+        }]
+    }
+}

Logic/Osm/Actions/CreateNewNodeAction.ts

@@ -0,0 +1,48 @@
+import {Tag} from "../../Tags/Tag";
+import OsmChangeAction from "./OsmChangeAction";
+import {Changes} from "../Changes";
+import {ChangeDescription} from "./ChangeDescription";
+import {And} from "../../Tags/And";
+
+export default class CreateNewNodeAction extends OsmChangeAction {
+
+    private readonly _basicTags: Tag[];
+    private readonly _lat: number;
+    private readonly _lon: number;
+
+    public newElementId : string = undefined
+    
+    constructor(basicTags: Tag[], lat: number, lon: number) {
+        super()
+        this._basicTags = basicTags;
+        this._lat = lat;
+        this._lon = lon;
+    }
+
+    CreateChangeDescriptions(changes: Changes): ChangeDescription[] {
+        const id = changes.getNewID()
+        const properties = {
+            id: "node/" + id
+        }
+        this.newElementId = "node/"+id
+        for (const kv of this._basicTags) {
+            if (typeof kv.value !== "string") {
+                throw "Invalid value: don't use a regex in a preset"
+            }
+            properties[kv.key] = kv.value;
+        }
+
+        return [{
+            tags: new And(this._basicTags).asChange(properties),
+            type: "node",
+            id: id,
+            changes:{
+                lat: this._lat,
+                lon: this._lon
+            }
+        }]
+
+    }
+
+
+}

Logic/Osm/Actions/DeleteAction.ts

@@ -1,9 +1,9 @@
-import {UIEventSource} from "../UIEventSource";
+import {UIEventSource} from "../../UIEventSource";
-import {Translation} from "../../UI/i18n/Translation";
+import {Translation} from "../../../UI/i18n/Translation";
-import Translations from "../../UI/i18n/Translations";
+import State from "../../../State";
-import {OsmObject} from "./OsmObject";
+import {OsmObject} from "../OsmObject";
-import State from "../../State";
+import Translations from "../../../UI/i18n/Translations";
-import Constants from "../../Models/Constants";
+import Constants from "../../../Models/Constants";
 
 export default class DeleteAction {
 
@@ -30,7 +30,7 @@ export default class DeleteAction {
      * Does actually delete the feature; returns the event source 'this.isDeleted'
      * If deletion is not allowed, triggers the callback instead
      */
-    public DoDelete(reason: string, onNotAllowed : () => void): UIEventSource<boolean> {
+    public DoDelete(reason: string, onNotAllowed : () => void): void {
         const isDeleted = this.isDeleted
         const self = this;
         let deletionStarted = false;
@@ -75,8 +75,6 @@ export default class DeleteAction {
 
             }
         )
-
-        return isDeleted;
     }
 
     /**

Logic/Osm/Actions/OsmChangeAction.ts

@@ -0,0 +1,23 @@
+/**
+ * An action is a change to the OSM-database
+ * It will generate some new/modified/deleted objects, which are all bundled by the 'changes'-object
+ */
+import {Changes} from "../Changes";
+import {ChangeDescription} from "./ChangeDescription";
+
+export default abstract class OsmChangeAction {
+
+    private isUsed = false
+
+    public Perform(changes: Changes) {
+        if (this.isUsed) {
+            throw "This ChangeAction is already used: " + this.constructor.name
+        }
+        this.isUsed = true;
+        return this.CreateChangeDescriptions(changes)
+    }
+
+    protected abstract CreateChangeDescriptions(changes: Changes): ChangeDescription[]
+
+
+}

Logic/Osm/Actions/RelationSplitlHandler.ts

@@ -0,0 +1,20 @@
+/**
+ * The logic to handle relations after a way within 
+ */
+import OsmChangeAction from "./OsmChangeAction";
+import {Changes} from "../Changes";
+import {ChangeDescription} from "./ChangeDescription";
+import {OsmRelation, OsmWay} from "../OsmObject";
+
+export default class RelationSplitlHandler extends OsmChangeAction{
+
+    constructor(partOf: OsmRelation[], newWayIds: number[], originalNodes: number[]) {
+        super()
+    }
+
+    CreateChangeDescriptions(changes: Changes): ChangeDescription[] {
+        return [];
+    }
+
+
+}

Logic/Osm/Actions/SplitAction.ts

@@ -0,0 +1,238 @@
+import {OsmRelation, OsmWay} from "../OsmObject";
+import {Changes} from "../Changes";
+import {GeoOperations} from "../../GeoOperations";
+import OsmChangeAction from "./OsmChangeAction";
+import {ChangeDescription} from "./ChangeDescription";
+import RelationSplitlHandler from "./RelationSplitlHandler";
+
+interface SplitInfo {
+    originalIndex?: number, // or negative for new elements
+    lngLat: [number, number],
+    doSplit: boolean
+}
+
+export default class SplitAction extends OsmChangeAction {
+    private readonly roadObject: any;
+    private readonly osmWay: OsmWay;
+    private _partOf: OsmRelation[];
+    private readonly _splitPoints: any[];
+
+    constructor(osmWay: OsmWay, wayGeoJson: any, partOf: OsmRelation[], splitPoints: any[]) {
+        super()
+        this.osmWay = osmWay;
+        this.roadObject = wayGeoJson;
+        this._partOf = partOf;
+        this._splitPoints = splitPoints;
+    }
+
+    private static SegmentSplitInfo(splitInfo: SplitInfo[]): SplitInfo[][] {
+        const wayParts = []
+        let currentPart = []
+        for (const splitInfoElement of splitInfo) {
+            currentPart.push(splitInfoElement)
+
+            if (splitInfoElement.doSplit) {
+                // We have to do a split!
+                // We add the current index to the currentParts, flush it and add it again
+                wayParts.push(currentPart)
+                currentPart = [splitInfoElement]
+            }
+        }
+        wayParts.push(currentPart)
+        return wayParts.filter(wp => wp.length > 0)
+    }
+
+    CreateChangeDescriptions(changes: Changes): ChangeDescription[] {
+        const splitPoints = this._splitPoints
+        // We mark the new split points with a new id
+        console.log(splitPoints)
+        for (const splitPoint of splitPoints) {
+            splitPoint.properties["_is_split_point"] = true
+        }
+
+
+        const self = this;
+        const partOf = this._partOf
+        const originalElement = this.osmWay
+        const originalNodes = this.osmWay.nodes;
+
+        // First, calculate splitpoints and remove points close to one another
+        const splitInfo = self.CalculateSplitCoordinates(splitPoints)
+        // Now we have a list with e.g. 
+        // [ { originalIndex: 0}, {originalIndex: 1, doSplit: true}, {originalIndex: 2}, {originalIndex: undefined, doSplit: true}, {originalIndex: 3}]
+
+        // Lets change 'originalIndex' to the actual node id first:
+        for (const element of splitInfo) {
+            if (element.originalIndex >= 0) {
+                element.originalIndex = originalElement.nodes[element.originalIndex]
+            } else {
+                element.originalIndex = changes.getNewID();
+            }
+        }
+
+        // Next up is creating actual parts from this
+        const wayParts: SplitInfo[][] = SplitAction.SegmentSplitInfo(splitInfo);
+        // Allright! At this point, we have our new ways!
+        // Which one is the longest of them (and can keep the id)?
+
+        let longest = undefined;
+        for (const wayPart of wayParts) {
+            if (longest === undefined) {
+                longest = wayPart;
+                continue
+            }
+            if (wayPart.length > longest.length) {
+                longest = wayPart
+            }
+        }
+
+        const changeDescription: ChangeDescription[] = []
+        // Let's create the new points as needed
+        for (const element of splitInfo) {
+            if (element.originalIndex >= 0) {
+                continue;
+            }
+            changeDescription.push({
+                type: "node",
+                id: element.originalIndex,
+                changes: {
+                    lon: element.lngLat[0],
+                    lat: element.lngLat[1]
+                }
+            })
+        }
+
+        const newWayIds: number[] = []
+        // Lets create OsmWays based on them
+        for (const wayPart of wayParts) {
+
+            let isOriginal = wayPart === longest
+            if (isOriginal) {
+                // We change the actual element!
+                changeDescription.push({
+                    type: "way",
+                    id: originalElement.id,
+                    changes: {
+                        locations: wayPart.map(p => p.lngLat),
+                        nodes: wayPart.map(p => p.originalIndex)
+                    }
+                })
+            } else {
+                let id = changes.getNewID();
+                newWayIds.push(id)
+
+                const kv = []
+                for (const k in originalElement.tags) {
+                    if (!originalElement.tags.hasOwnProperty(k)) {
+                        continue
+                    }
+                    if (k.startsWith("_") || k === "id") {
+                        continue;
+                    }
+                    kv.push({k: k, v: originalElement.tags[k]})
+                }
+                changeDescription.push({
+                    type: "way",
+                    id: id,
+                    tags: kv,
+                    changes: {
+                        locations: wayPart.map(p => p.lngLat),
+                        nodes: wayPart.map(p => p.originalIndex)
+                    }
+                })
+            }
+
+        }
+
+        // At last, we still have to check that we aren't part of a relation...
+        // At least, the order of the ways is identical, so we can keep the same roles
+        changeDescription.push(...new RelationSplitlHandler(partOf, newWayIds, originalNodes).CreateChangeDescriptions(changes))
+
+        // And we have our objects!
+        // Time to upload
+
+        return changeDescription
+    }
+
+    /**
+     * Calculates the actual points to split
+     * If another point is closer then ~5m, we reuse that point
+     */
+    private CalculateSplitCoordinates(
+        splitPoints: any[],
+        toleranceInM = 5): SplitInfo[] {
+
+        const allPoints = [...splitPoints];
+        // We have a bunch of coordinates here: [ [lat, lon], [lat, lon], ...] ...
+        const originalPoints: [number, number][] = this.roadObject.geometry.coordinates
+        // We project them onto the line (which should yield pretty much the same point
+        for (let i = 0; i < originalPoints.length; i++) {
+            let originalPoint = originalPoints[i];
+            let projected = GeoOperations.nearestPoint(this.roadObject, originalPoint)
+            projected.properties["_is_split_point"] = false
+            projected.properties["_original_index"] = i
+            allPoints.push(projected)
+        }
+        // At this point, we have a list of both the split point and the old points, with some properties to discriminate between them
+        // We sort this list so that the new points are at the same location
+        allPoints.sort((a, b) => a.properties.location - b.properties.location)
+
+        // When this is done, we check that no now point is too close to an already existing point and no very small segments get created
+
+        /*   for (let i = allPoints.length - 1; i > 0; i--) {
+   
+               const point = allPoints[i];
+               if (point.properties._original_index !== undefined) {
+                   // This point is already in OSM - we have to keep it!
+                   continue;
+               }
+   
+               if (i != allPoints.length - 1) {
+                   const prevPoint = allPoints[i + 1]
+                   const diff = Math.abs(point.properties.location - prevPoint.properties.location) * 1000
+                   if (diff <= toleranceInM) {
+                       // To close to the previous point! We delete this point...
+                       allPoints.splice(i, 1)
+                       // ... and mark the previous point as a split point
+                       prevPoint.properties._is_split_point = true
+                       continue;
+                   }
+               }
+   
+               if (i > 0) {
+                   const nextPoint = allPoints[i - 1]
+                   const diff = Math.abs(point.properties.location - nextPoint.properties.location) * 1000
+                   if (diff <= toleranceInM) {
+                       // To close to the next point! We delete this point...
+                       allPoints.splice(i, 1)
+                       // ... and mark the next point as a split point
+                       nextPoint.properties._is_split_point = true
+                       // noinspection UnnecessaryContinueJS
+                       continue;
+                   }
+               }
+               // We don't have to remove this point...
+           }*/
+
+        const splitInfo: SplitInfo[] = []
+        let nextId = -1
+
+        for (const p of allPoints) {
+            let index = p.properties._original_index
+            if (index === undefined) {
+                index = nextId;
+                nextId--;
+            }
+            const splitInfoElement = {
+                originalIndex: index,
+                lngLat: p.geometry.coordinates,
+                doSplit: p.properties._is_split_point
+            }
+            splitInfo.push(splitInfoElement)
+        }
+
+        return splitInfo
+    }
+
+
+}

Logic/Osm/Changes.ts

@@ -1,81 +1,233 @@
-import {OsmNode, OsmObject} from "./OsmObject";
+import {OsmNode, OsmObject, OsmRelation, OsmWay} from "./OsmObject";
 import State from "../../State";
-import {Utils} from "../../Utils";
 import {UIEventSource} from "../UIEventSource";
 import Constants from "../../Models/Constants";
-import FeatureSource from "../FeatureSource/FeatureSource";
+import OsmChangeAction from "./Actions/OsmChangeAction";
-import {TagsFilter} from "../Tags/TagsFilter";
+import {ChangeDescription} from "./Actions/ChangeDescription";
-import {Tag} from "../Tags/Tag";
+import {Utils} from "../../Utils";
-import {OsmConnection} from "./OsmConnection";
 import {LocalStorageSource} from "../Web/LocalStorageSource";
 
 /**
  * Handles all changes made to OSM.
  * Needs an authenticator via OsmConnection
  */
-export class Changes implements FeatureSource {
+export class Changes {
 
 
     private static _nextId = -1; // Newly assigned ID's are negative
     public readonly name = "Newly added features"
     /**
-     * The newly created points, as a FeatureSource
+     * All the newly created features as featureSource + all the modified features
      */
     public features = new UIEventSource<{ feature: any, freshness: Date }[]>([]);
-    /**
-     * All the pending changes
-     */
-    public readonly pending = LocalStorageSource.GetParsed<{ elementId: string, key: string, value: string }[]>("pending-changes", [])
-
-    /**
-     * All the pending new objects to upload
-     */
-    private readonly newObjects = LocalStorageSource.GetParsed<{ id: number, lat: number, lon: number }[]>("newObjects", [])
 
+    public readonly pendingChanges = LocalStorageSource.GetParsed<ChangeDescription[]>("pending-changes", [])
     private readonly isUploading = new UIEventSource(false);
     
-    /**
+    private readonly previouslyCreated : OsmObject[] = []
-     * Adds a change to the pending changes
-     */
-    private static checkChange(kv: { k: string, v: string }): { k: string, v: string } {
-        const key = kv.k;
-        const value = kv.v;
-        if (key === undefined || key === null) {
-            console.log("Invalid key");
-            return undefined;
-        }
-        if (value === undefined || value === null) {
-            console.log("Invalid value for ", key);
-            return undefined;
-        }
 
-        if (key.startsWith(" ") || value.startsWith(" ") || value.endsWith(" ") || key.endsWith(" ")) {
+    constructor() {
-            console.warn("Tag starts with or ends with a space - trimming anyway")
-        }
        
-        return {k: key.trim(), v: value.trim()};
     }
 
+    private static createChangesetFor(csId: string,
+                                     allChanges: {
+                                         modifiedObjects: OsmObject[],
+                                         newObjects: OsmObject[],
+                                         deletedObjects: OsmObject[]
+                                     }): string {
 
-    addTag(elementId: string, tagsFilter: TagsFilter,
+        const changedElements = allChanges.modifiedObjects ?? []
-           tags?: UIEventSource<any>) {
+        const newElements = allChanges.newObjects ?? []
-        const eventSource = tags ?? State.state?.allElements.getEventSourceById(elementId);
+        const deletedElements = allChanges.deletedObjects ?? []
-        const elementTags = eventSource.data;
+
-        const changes = tagsFilter.asChange(elementTags).map(Changes.checkChange)
+        let changes = `<osmChange version='0.6' generator='Mapcomplete ${Constants.vNumber}'>`;
-        if (changes.length == 0) {
+        if (newElements.length > 0) {
-            return;
+            changes +=
+                "\n<create>\n" +
+                newElements.map(e => e.ChangesetXML(csId)).join("\n") +
+                "</create>";
+        }
+        if (changedElements.length > 0) {
+            changes +=
+                "\n<modify>\n" +
+                changedElements.map(e => e.ChangesetXML(csId)).join("\n") +
+                "\n</modify>";
         }
 
+        if (deletedElements.length > 0) {
+            changes +=
+                "\n<deleted>\n" +
+                deletedElements.map(e => e.ChangesetXML(csId)).join("\n") +
+                "\n</deleted>"
+        }
+
+        changes += "</osmChange>";
+        return changes;
+    }
+
+    private static GetNeededIds(changes: ChangeDescription[]) {
+        return Utils.Dedup(changes.filter(c => c.id >= 0)
+            .map(c => c.type + "/" + c.id))
+    }
+
+    private CreateChangesetObjects(changes: ChangeDescription[], downloadedOsmObjects: OsmObject[]): {
+        newObjects: OsmObject[],
+        modifiedObjects: OsmObject[]
+        deletedObjects: OsmObject[]
+
+    } {
+        const objects: Map<string, OsmObject> = new Map<string, OsmObject>()
+        const states: Map<string, "unchanged" | "created" | "modified" | "deleted"> = new Map();
+
+        for (const o of downloadedOsmObjects) {
+            objects.set(o.type + "/" + o.id, o)
+            states.set(o.type + "/" + o.id, "unchanged")
+        }
+
+        for (const o of this.previouslyCreated) {
+            objects.set(o.type + "/" + o.id, o) 
+            states.set(o.type + "/" + o.id, "unchanged")
+        }
+
+        let changed = false;
         for (const change of changes) {
-            if (elementTags[change.k] !== change.v) {
+            const id = change.type + "/" + change.id
-                elementTags[change.k] = change.v;
+            if (!objects.has(id)) {
-                console.log("Applied ", change.k, "=", change.v)
+                if(change.id >= 0){
-                // We use 'elementTags.id' here, as we might have retrieved with the id 'node/-1' as new point, but should use the rewritten id
+                    throw "Did not get an object that should be known: "+id
-                this.pending.data.push({elementId: elementTags.id, key: change.k, value: change.v});
+                }
+                // This is a new object that should be created
+                states.set(id, "created")
+                console.log("Creating object for changeDescription", change)
+                let osmObj: OsmObject = undefined;
+                switch (change.type) {
+                    case "node":
+                        const n = new OsmNode(change.id)
+                        n.lat = change.changes["lat"]
+                        n.lon = change.changes["lon"]
+                        osmObj = n
+                        break;
+                    case "way":
+                        const w = new OsmWay(change.id)
+                        w.nodes = change.changes["nodes"]
+                        osmObj = w
+                        break;
+                    case "relation":
+                        const r = new OsmRelation(change.id)
+                        r.members = change.changes["members"]
+                        osmObj = r
+                        break;
+                }
+                if (osmObj === undefined) {
+                    throw "Hmm? This is a bug"
+                }
+                objects.set(id, osmObj)
+                this.previouslyCreated.push(osmObj)
+            }
+
+            const state = states.get(id)
+            if (change.doDelete) {
+                if (state === "created") {
+                    states.set(id, "unchanged")
+                } else {
+                    states.set(id, "deleted")
+                }
+            }
+
+            const obj = objects.get(id)
+            // Apply tag changes
+            for (const kv of change.tags ?? []) {
+                const k = kv.k
+                let v = kv.v
+
+                if (v === "") {
+                    v = undefined;
+                }
+
+                const oldV = obj.type[k]
+                if (oldV === v) {
+                    continue;
+                }
+
+                obj.tags[k] = v;
+                changed = true;
+
+
+            }
+
+            if (change.changes !== undefined) {
+                switch (change.type) {
+                    case "node":
+                        // @ts-ignore
+                        const nlat = change.changes.lat;
+                        // @ts-ignore
+                        const nlon = change.changes.lon;
+                        const n = <OsmNode>obj
+                        if (n.lat !== nlat || n.lon !== nlon) {
+                            n.lat = nlat;
+                            n.lon = nlon;
+                            changed = true;
+                        }
+                        break;
+                    case "way":
+                        const nnodes = change.changes["nodes"]
+                        const w = <OsmWay>obj
+                        if (!Utils.Identical(nnodes, w.nodes)) {
+                            w.nodes = nnodes
+                            changed = true;
+                        }
+                        break;
+                    case "relation":
+                        const nmembers: { type: "node" | "way" | "relation", ref: number, role: string }[] = change.changes["members"]
+                        const r = <OsmRelation>obj
+                        if (!Utils.Identical(nmembers, r.members, (a, b) => {
+                            return a.role === b.role && a.type === b.type && a.ref === b.ref
+                        })) {
+                            r.members = nmembers;
+                            changed = true;
+                        }
+                        break;
+
+                }
+               
+            }
+
+            if (changed && state === "unchanged") {
+                states.set(id, "modified")
             }
         }
-        this.pending.ping();
+
-        eventSource.ping();
+
+        const result = {
+            newObjects: [],
+            modifiedObjects: [],
+            deletedObjects: []
+        }
+        
+        objects.forEach((v, id) => {
+
+            const state = states.get(id)
+            if (state === "created") {
+                result.newObjects.push(v)
+            }
+            if (state === "modified") {
+                result.modifiedObjects.push(v)
+            }
+            if (state === "deleted") {
+                result.deletedObjects.push(v)
+            }
+
+        })
+
+        return result
+    }
+
+    /**
+     * Returns a new ID and updates the value for the next ID
+     */
+    public getNewID() {
+        return Changes._nextId--;
     }
 
     /**
@@ -83,194 +235,65 @@ export class Changes implements FeatureSource {
      * Triggered by the 'PendingChangeUploader'-actor in Actors
      */
     public flushChanges(flushreason: string = undefined) {
-        if (this.pending.data.length === 0) {
+        if (this.pendingChanges.data.length === 0) {
             return;
         }
-        if (flushreason !== undefined) {
-            console.log(flushreason)
-        }
-        this.uploadAll();
-    }
-
-    /**
-     * Create a new node element at the given lat/long.
-     * An internal OsmObject is created to upload later on, a geojson represention is returned.
-     * Note that the geojson version shares the tags (properties) by pointer, but has _no_ id in properties
-     */
-    public createElement(basicTags: Tag[], lat: number, lon: number) {
-        console.log("Creating a new element with ", basicTags)
-        const newId = Changes._nextId;
-        Changes._nextId--;
-
-        const id = "node/" + newId;
-
-
-        const properties = {id: id};
-
-        const geojson = {
-            "type": "Feature",
-            "properties": properties,
-            "id": id,
-            "geometry": {
-                "type": "Point",
-                "coordinates": [
-                    lon,
-                    lat
-                ]
-            }
-        }
-
-        // The basictags are COPIED, the id is included in the properties
-        // The tags are not yet written into the OsmObject, but this is applied onto a 
-        const changes = [];
-        for (const kv of basicTags) {
-            if (typeof kv.value !== "string") {
-                throw "Invalid value: don't use a regex in a preset"
-            }
-            properties[kv.key] = kv.value;
-            changes.push({elementId: id, key: kv.key, value: kv.value})
-        }
-
-        console.log("New feature added and pinged")
-        this.features.data.push({feature: geojson, freshness: new Date()});
-        this.features.ping();
-
-        State.state.allElements.addOrGetElement(geojson).ping();
-
-        if (State.state.osmConnection.userDetails.data.backend !== OsmConnection.oauth_configs.osm.url) {
-            properties["_backend"] = State.state.osmConnection.userDetails.data.backend
-        }
-
-
-        this.newObjects.data.push({id: newId, lat: lat, lon: lon})
-        this.pending.data.push(...changes)
-        this.pending.ping();
-        this.newObjects.ping();
-        return geojson;
-    }
-
-    private uploadChangesWithLatestVersions(
-        knownElements: OsmObject[]) {
-        const knownById = new Map<string, OsmObject>();
-        knownElements.forEach(knownElement => {
-            knownById.set(knownElement.type + "/" + knownElement.id, knownElement)
-        })
-
-        const newElements: OsmNode [] = this.newObjects.data.map(spec => {
-            const newElement = new OsmNode(spec.id);
-            newElement.lat = spec.lat;
-            newElement.lon = spec.lon;
-            return newElement
-        })
-
-
-        // Here, inside the continuation, we know that all 'neededIds' are loaded in 'knownElements', which maps the ids onto the elements
-        // We apply the changes on them
-        for (const change of this.pending.data) {
-            if (parseInt(change.elementId.split("/")[1]) < 0) {
-                // This is a new element - we should apply this on one of the new elements
-                for (const newElement of newElements) {
-                    if (newElement.type + "/" + newElement.id === change.elementId) {
-                        newElement.addTag(change.key, change.value);
-                    }
-                }
-            } else {
-                knownById.get(change.elementId).addTag(change.key, change.value);
-            }
-        }
-
-        // Small sanity check for duplicate information
-        let changedElements = [];
-        for (const elementId in knownElements) {
-            const element = knownElements[elementId];
-            if (element.changed) {
-                changedElements.push(element);
-            }
-        }
-        if (changedElements.length == 0 && newElements.length == 0) {
-            console.log("No changes in any object - clearing");
-            this.pending.setData([])
-            this.newObjects.setData([])
-            return;
-        }
-        const self = this;
         
         if (this.isUploading.data) {
+            console.log("Is already uploading... Abort")
             return;
         }
+        
+      
         this.isUploading.setData(true)
        
-        console.log("Beginning upload...");
+        console.log("Beginning upload... "+flushreason ?? "");
         // At last, we build the changeset and upload
-        State.state.osmConnection.UploadChangeset(
-            State.state.layoutToUse.data,
-            State.state.allElements,
-            function (csId) {
-
-                let modifications = "";
-                for (const element of changedElements) {
-                    if (!element.changed) {
-                        continue;
-                    }
-                    modifications += element.ChangesetXML(csId) + "\n";
-                }
-
-
-                let creations = "";
-                for (const newElement of newElements) {
-                    creations += newElement.ChangesetXML(csId);
-                }
-
-
-                let changes = `<osmChange version='0.6' generator='Mapcomplete ${Constants.vNumber}'>`;
-
-                if (creations.length > 0) {
-                    changes +=
-                        "<create>" +
-                        creations +
-                        "</create>";
-                }
-
-                if (modifications.length > 0) {
-                    changes +=
-                        "<modify>\n" +
-                        modifications +
-                        "\n</modify>";
-                }
-
-                changes += "</osmChange>";
-
-                return changes;
-            },
-            () => {
-                console.log("Upload successfull!")
-                self.newObjects.setData([])
-                self.pending.setData([]);
-                self.isUploading.setData(false)
-            },
-            () => self.isUploading.setData(false)
-        );
-    };
-
-
-    private uploadAll() {
         const self = this;
+        const pending = self.pendingChanges.data;
+        const neededIds =  Changes.GetNeededIds(pending)
+        console.log("Needed ids", neededIds)
+        OsmObject.DownloadAll(neededIds, true).addCallbackAndRunD(osmObjects => {
+            console.log("Got the fresh objects!", osmObjects, "pending: ", pending)
+            const changes: {
+                newObjects: OsmObject[],
+                modifiedObjects: OsmObject[]
+                deletedObjects: OsmObject[]
 
-        const pending = this.pending.data;
+            }  = self.CreateChangesetObjects(pending, osmObjects)
-        let neededIds: string[] = [];
+            if (changes.newObjects.length + changes.deletedObjects.length + changes.modifiedObjects.length === 0) {
-        for (const change of pending) {
+                console.log("No changes to be made")
-            const id = change.elementId;
+                self.pendingChanges.setData([])
-            if (parseFloat(id.split("/")[1]) < 0) {
+                self.isUploading.setData(false)
-                // New element - we don't have to download this
+                return true; // Unregister the callback
-            } else {
-                neededIds.push(id);
             }
-        }
 
-        neededIds = Utils.Dedup(neededIds);
+
-        OsmObject.DownloadAll(neededIds).addCallbackAndRunD(knownElements => {
+            State.state.osmConnection.UploadChangeset(
-            self.uploadChangesWithLatestVersions(knownElements)
+                State.state.layoutToUse.data,
-        })
+                State.state.allElements,
+                (csId) => Changes.createChangesetFor(csId, changes),
+                () => {
+                    console.log("Upload successfull!")
+                    self.pendingChanges.setData([]);
+                    self.isUploading.setData(false)
+                },
+                () => {
+                    console.log("Upload failed - trying again later")
+                    return self.isUploading.setData(false);
+                } // Failed - mark to try again
+            )
+            return true;
+
+        });
+
+
     }
 
+    public applyAction(action: OsmChangeAction) {
+        const changes = action.Perform(this)
+        console.log("Received changes:", changes)
+        this.pendingChanges.data.push(...changes);
+        this.pendingChanges.ping();
+    }
 }

Logic/Osm/ChangesetHandler.ts

@@ -53,6 +53,8 @@ export class ChangesetHandler {
                 element.ping();
 
             }
+
+
         }
     }
 

Logic/Osm/OsmObject.ts

@@ -23,7 +23,7 @@ export abstract class OsmObject {
         this.id = id;
         this.type = type;
         this.tags = {
-            id: id
+            id: `${this.type}/${id}`
         }
     }
 
@@ -51,7 +51,10 @@ export abstract class OsmObject {
         }
         const splitted = id.split("/");
         const type = splitted[0];
-        const idN = splitted[1];
+        const idN = Number(splitted[1]);
+        if(idN <0){
+            return;
+        }
 
         OsmObject.objectCache.set(id, src);
         const newContinuation = (element: OsmObject) => {
@@ -68,6 +71,8 @@ export abstract class OsmObject {
             case("relation"):
                 new OsmRelation(idN).Download(newContinuation);
                 break;
+            default:
+                throw "Invalid object type:" + type + id;
 
         }
         return src;
@@ -103,7 +108,7 @@ export abstract class OsmObject {
         if (OsmObject.referencingRelationsCache.has(id)) {
             return OsmObject.referencingRelationsCache.get(id);
         }
-        const relsSrc = new UIEventSource<OsmRelation[]>([])
+        const relsSrc = new UIEventSource<OsmRelation[]>(undefined)
         OsmObject.referencingRelationsCache.set(id, relsSrc);
         Utils.downloadJson(`${OsmObject.backendURL}api/0.6/${id}/relations`)
             .then(data => {
@@ -123,7 +128,7 @@ export abstract class OsmObject {
         }
         const splitted = id.split("/");
         const type = splitted[0];
-        const idN = splitted[1];
+        const idN = Number(splitted[1]);
         const src = new UIEventSource<OsmObject[]>([]);
         OsmObject.historyCache.set(id, src);
         Utils.downloadJson(`${OsmObject.backendURL}api/0.6/${type}/${idN}/history`).then(data => {
@@ -312,20 +317,6 @@ export abstract class OsmObject {
         return this;
     }
 
-    public addTag(k: string, v: string): void {
-        if (k in this.tags) {
-            const oldV = this.tags[k];
-            if (oldV == v) {
-                return;
-            }
-            console.log("Overwriting ", oldV, " with ", v, " for key ", k)
-        }
-        this.tags[k] = v;
-        if (v === undefined || v === "") {
-            delete this.tags[k];
-        }
-        this.changed = true;
-    }
 
     abstract ChangesetXML(changesetId: string): string;
 
@@ -360,7 +351,7 @@ export class OsmNode extends OsmObject {
     lat: number;
     lon: number;
 
-    constructor(id) {
+    constructor(id: number) {
         super("node", id);
 
     }
@@ -368,9 +359,9 @@ export class OsmNode extends OsmObject {
     ChangesetXML(changesetId: string): string {
         let tags = this.TagsXML();
 
-        return '        <node id="' + this.id + '" changeset="' + changesetId + '" ' + this.VersionXML() + ' lat="' + this.lat + '" lon="' + this.lon + '">\n' +
+        return '    <node id="' + this.id + '" changeset="' + changesetId + '" ' + this.VersionXML() + ' lat="' + this.lat + '" lon="' + this.lon + '">\n' +
             tags +
-            '        </node>\n';
+            '    </node>\n';
     }
 
     SaveExtraData(element) {
@@ -413,9 +404,8 @@ export class OsmWay extends OsmObject {
     lat: number;
     lon: number;
 
-    constructor(id) {
+    constructor(id: number) {
         super("way", id);
-
     }
 
     centerpoint(): [number, number] {
@@ -432,7 +422,7 @@ export class OsmWay extends OsmObject {
         return '    <way id="' + this.id + '" changeset="' + changesetId + '" ' + this.VersionXML() + '>\n' +
             nds +
             tags +
-            '        </way>\n';
+            '    </way>\n';
     }
 
     SaveExtraData(element, allNodes: OsmNode[]) {
@@ -458,7 +448,7 @@ export class OsmWay extends OsmObject {
         this.nodes = element.nodes;
     }
 
-    asGeoJson() {
+    public asGeoJson() {
         return {
             "type": "Feature",
             "properties": this.tags,
@@ -480,11 +470,14 @@ export class OsmWay extends OsmObject {
 
 export class OsmRelation extends OsmObject {
 
-    members;
+    public members: {
+        type: "node" | "way" | "relation",
+        ref: number,
+        role: string
+    }[];
 
-    constructor(id) {
+    constructor(id: number) {
         super("relation", id);
-
     }
 
     centerpoint(): [number, number] {

Logic/Tags/Tag.ts

@@ -24,12 +24,19 @@ export class Tag extends TagsFilter {
 
     matchesProperties(properties: any): boolean {
         for (const propertiesKey in properties) {
+            if(!properties.hasOwnProperty(propertiesKey)){
+                continue
+            }
             if (this.key === propertiesKey) {
                 const value = properties[propertiesKey];
+                if(value === undefined){
+                    continue
+                }
                 return value === this.value;
             }
         }
         // The tag was not found
+        
         if (this.value === "") {
             // and it shouldn't be found!
             return true;

Logic/UIEventSource.ts

@@ -2,21 +2,27 @@ import {Utils} from "../Utils";
 
 export class UIEventSource<T> {
 
+    private static allSources: UIEventSource<any>[] = UIEventSource.PrepPerf();
     public data: T;
+    public trace: boolean;
     private readonly tag: string;
-    private _callbacks = [];
+    private _callbacks: ((t: T) => (boolean | void | any)) [] = [];
 
-    private static allSources : UIEventSource<any>[] = UIEventSource.PrepPerf();
+    constructor(data: T, tag: string = "") {
+        this.tag = tag;
+        this.data = data;
+        UIEventSource.allSources.push(this);
+    }
 
-    static PrepPerf() : UIEventSource<any>[]{
+    static PrepPerf(): UIEventSource<any>[] {
-        if(Utils.runningFromConsole){
+        if (Utils.runningFromConsole) {
             return [];
         }
         // @ts-ignore
         window.mapcomplete_performance = () => {
             console.log(UIEventSource.allSources.length, "uieventsources created");
             const copy = [...UIEventSource.allSources];
-            copy.sort((a,b) => b._callbacks.length - a._callbacks.length);
+            copy.sort((a, b) => b._callbacks.length - a._callbacks.length);
             console.log("Topten is:")
             for (let i = 0; i < 10; i++) {
                 console.log(copy[i].tag, copy[i]);
@@ -26,12 +32,6 @@ export class UIEventSource<T> {
         return [];
     }
 
-    constructor(data: T, tag: string = "") {
-        this.tag = tag;
-        this.data = data;
-        UIEventSource.allSources.push(this);
-    }
-
     public static flatten<X>(source: UIEventSource<UIEventSource<X>>, possibleSources: UIEventSource<any>[]): UIEventSource<X> {
         const sink = new UIEventSource<X>(source.data?.data);
 
@@ -63,11 +63,20 @@ export class UIEventSource<T> {
 
     }
 
-    public addCallback(callback: ((latestData: T) => void)): UIEventSource<T> {
+    /**
+     * Adds a callback
+     *
+     * If the result of the callback is 'true', the callback is considered finished and will be removed again
+     * @param callback
+     */
+    public addCallback(callback: ((latestData: T) => (boolean | void | any))): UIEventSource<T> {
         if (callback === console.log) {
             // This ^^^ actually works!
             throw "Don't add console.log directly as a callback - you'll won't be able to find it afterwards. Wrap it in a lambda instead."
         }
+        if (this.trace) {
+            console.trace("Added a callback")
+        }
         this._callbacks.push(callback);
         return this;
     }
@@ -87,8 +96,21 @@ export class UIEventSource<T> {
     }
 
     public ping(): void {
+        let toDelete = undefined
         for (const callback of this._callbacks) {
-            callback(this.data);
+            if (callback(this.data) === true) {
+                // This callback wants to be deleted
+                if (toDelete === undefined) {
+                    toDelete = [callback]
+                } else {
+                    toDelete.push(callback)
+                }
+            }
+        }
+        if (toDelete !== undefined) {
+            for (const toDeleteElement of toDelete) {
+                this._callbacks.splice(this._callbacks.indexOf(toDeleteElement), 1)
+            }
         }
     }
 
@@ -101,12 +123,12 @@ export class UIEventSource<T> {
      */
     public map<J>(f: ((t: T) => J),
                   extraSources: UIEventSource<any>[] = [],
-                  g: ((j:J, t:T) => T) = undefined): UIEventSource<J> {
+                  g: ((j: J, t: T) => T) = undefined): UIEventSource<J> {
         const self = this;
 
         const newSource = new UIEventSource<J>(
             f(this.data),
-            "map("+this.tag+")"
+            "map(" + this.tag + ")"
         );
 
         const update = function () {
@@ -159,10 +181,10 @@ export class UIEventSource<T> {
         return newSource;
     }
 
-    addCallbackAndRunD(callback: (data :T ) => void) {
+    addCallbackAndRunD(callback: (data: T) => void) {
         this.addCallbackAndRun(data => {
-            if(data !== undefined && data !== null){
+            if (data !== undefined && data !== null) {
-                callback(data)
+              return  callback(data)
             }
         })
     }

Models/Constants.ts

@@ -2,7 +2,7 @@ import { Utils } from "../Utils";
 
 export default class Constants {
     
-    public static vNumber = "0.8.4a";
+    public static vNumber = "0.9.0-rc0";
 
     // The user journey states thresholds when a new feature gets unlocked
     public static userJourney = {

State.ts

@@ -14,14 +14,13 @@ import Loc from "./Models/Loc";
 import Constants from "./Models/Constants";
 
 import OverpassFeatureSource from "./Logic/Actors/OverpassFeatureSource";
-import LayerConfig from "./Customizations/JSON/LayerConfig";
 import TitleHandler from "./Logic/Actors/TitleHandler";
 import PendingChangesUploader from "./Logic/Actors/PendingChangesUploader";
 import {Relation} from "./Logic/Osm/ExtractRelations";
 import OsmApiFeatureSource from "./Logic/FeatureSource/OsmApiFeatureSource";
 import FeaturePipeline from "./Logic/FeatureSource/FeaturePipeline";
-import { TagsFilter } from "./Logic/Tags/TagsFilter";
 import FilteredLayer from "./Models/FilteredLayer";
+import ChangeToElementsActor from "./Logic/Actors/ChangeToElementsActor";
 
 /**
  * Contains the global state: a bunch of UI-event sources
@@ -31,7 +30,7 @@ export default class State {
     // The singleton of the global state
     public static state: State;
 
-    public readonly layoutToUse = new UIEventSource<LayoutConfig>(undefined);
+    public readonly layoutToUse = new UIEventSource<LayoutConfig>(undefined, "layoutToUse");
 
     /**
      The mapping from id -> UIEventSource<properties>
@@ -44,7 +43,7 @@ export default class State {
     /**
      The leaflet instance of the big basemap
      */
-    public leafletMap = new UIEventSource<L.Map>(undefined);
+    public leafletMap = new UIEventSource<L.Map>(undefined, "leafletmap");
     /**
      * Background layer id
      */
@@ -62,7 +61,7 @@ export default class State {
 
     public osmApiFeatureSource: OsmApiFeatureSource;
 
-    public filteredLayers: UIEventSource<FilteredLayer[]> = new UIEventSource<FilteredLayer[]>([]);
+    public filteredLayers: UIEventSource<FilteredLayer[]> = new UIEventSource<FilteredLayer[]>([],"filteredLayers");
 
     /**
      The latest element that was selected
@@ -102,7 +101,7 @@ export default class State {
     /**
      * The map location: currently centered lat, lon and zoom
      */
-    public readonly locationControl = new UIEventSource<Loc>(undefined);
+    public readonly locationControl = new UIEventSource<Loc>(undefined, "locationControl");
     public backgroundLayer;
     public readonly backgroundLayerId: UIEventSource<string>;
 
@@ -187,11 +186,13 @@ export default class State {
                 ).syncWith(LocalStorageSource.Get("lon"))
             );
 
-            this.locationControl = new UIEventSource<Loc>({
+            this.locationControl.setData({
                 zoom: Utils.asFloat(zoom.data),
                 lat: Utils.asFloat(lat.data),
                 lon: Utils.asFloat(lon.data),
-            }).addCallback((latlonz) => {
+            })
+            this.locationControl.addCallback((latlonz) => {
+                // Sync th location controls
                 zoom.setData(latlonz.zoom);
                 lat.setData(latlonz.lat);
                 lon.setData(latlonz.lon);
@@ -371,7 +372,10 @@ export default class State {
 
         this.allElements = new ElementStorage();
         this.changes = new Changes();
-        this.osmApiFeatureSource = new OsmApiFeatureSource();
+        
+        new ChangeToElementsActor(this.changes, this.allElements)
+        
+        this.osmApiFeatureSource = new OsmApiFeatureSource()
 
         new PendingChangesUploader(this.changes, this.selectedElement);
 

UI/Base/Minimap.ts

@@ -28,7 +28,7 @@ export default class Minimap extends BaseUIElement {
         super()
         options = options ?? {}
         this._background = options?.background ?? new UIEventSource<BaseLayer>(AvailableBaseLayers.osmCarto)
-        this._location = options?.location ?? new UIEventSource<Loc>(undefined)
+        this._location = options?.location ?? new UIEventSource<Loc>({lat: 0, lon: 0, zoom: 1})
         this._id = "minimap" + Minimap._nextId;
         this._allowMoving = options.allowMoving ?? true;
         this._leafletoptions = options.leafletOptions ?? {}
@@ -43,6 +43,7 @@ export default class Minimap extends BaseUIElement {
         div.style.width = "100%"
         div.style.minWidth = "40px"
         div.style.minHeight = "40px"
+        div.style.position = "relative"
         const wrapper = document.createElement("div")
         wrapper.appendChild(div)
         const self = this;

UI/BigComponents/PersonalLayersPanel.ts

@@ -64,13 +64,11 @@ export default class PersonalLayersPanel extends VariableUiElement {
     private static CreateLayerToggle(layer: LayerConfig): Toggle {
         let icon :BaseUIElement =new Combine([ layer.GenerateLeafletStyle(
             new UIEventSource<any>({id: "node/-1"}),
-            false,
+            false
-            "2em"
         ).icon.html]).SetClass("relative")
         let iconUnset =new Combine([ layer.GenerateLeafletStyle(
             new UIEventSource<any>({id: "node/-1"}),
-            false,
+            false
-            "2em"
         ).icon.html]).SetClass("relative")
 
         iconUnset.SetStyle("opacity:0.1")

UI/BigComponents/SimpleAddUI.ts

@@ -20,6 +20,8 @@ import LocationInput from "../Input/LocationInput";
 import {InputElement} from "../Input/InputElement";
 import Loc from "../../Models/Loc";
 import AvailableBaseLayers from "../../Logic/Actors/AvailableBaseLayers";
+import CreateNewNodeAction from "../../Logic/Osm/Actions/CreateNewNodeAction";
+import Hash from "../../Logic/Web/Hash";
 
 /*
 * The SimpleAddUI is a single panel, which can have multiple states:
@@ -61,11 +63,6 @@ export default class SimpleAddUI extends Toggle {
         const selectedPreset = new UIEventSource<PresetInfo>(undefined);
         isShown.addCallback(_ => selectedPreset.setData(undefined)) // Clear preset selection when the UI is closed/opened
 
-        function createNewPoint(tags: any[], location: { lat: number, lon: number }) {
-            let feature = State.state.changes.createElement(tags, location.lat, location.lon);
-            State.state.selectedElement.setData(feature);
-        }
-
         const presetsOverview = SimpleAddUI.CreateAllPresetsPanel(selectedPreset)
 
         const addUi = new VariableUiElement(
@@ -75,8 +72,16 @@ export default class SimpleAddUI extends Toggle {
                     }
                     return SimpleAddUI.CreateConfirmButton(preset,
                         (tags, location) => {
-                            createNewPoint(tags, location)
+                        const newElementAction = new CreateNewNodeAction(tags, location.lat, location.lon)
+                            State.state.changes.applyAction(newElementAction)
                             selectedPreset.setData(undefined)
+                            isShown.setData(false)
+                            State.state.selectedElement.setData(State.state.allElements.ContainingFeatures.get(
+                                newElementAction.newElementId
+                            ))
+                            console.log("Did set selected element to",State.state.allElements.ContainingFeatures.get(
+                                newElementAction.newElementId
+                            ))
                         }, () => {
                             selectedPreset.setData(undefined)
                         })
@@ -123,13 +128,13 @@ export default class SimpleAddUI extends Toggle {
             });
 
             let backgroundLayer = undefined;
-            if(preset.preciseInput.preferredBackground){
+            if (preset.preciseInput.preferredBackground) {
-               backgroundLayer= AvailableBaseLayers.SelectBestLayerAccordingTo(locationSrc, new UIEventSource<string | string[]>(preset.preciseInput.preferredBackground))
+                backgroundLayer = AvailableBaseLayers.SelectBestLayerAccordingTo(locationSrc, new UIEventSource<string | string[]>(preset.preciseInput.preferredBackground))
             }
 
             preciseInput = new LocationInput({
                 mapBackground: backgroundLayer,
-                centerLocation:locationSrc
+                centerLocation: locationSrc
 
             })
             preciseInput.SetClass("h-32 rounded-xl overflow-hidden border border-gray").SetStyle("height: 12rem;")
@@ -241,7 +246,7 @@ export default class SimpleAddUI extends Toggle {
             for (const preset of presets) {
 
                 const tags = TagUtils.KVtoProperties(preset.tags ?? []);
-                let icon:() => BaseUIElement = () => layer.layerDef.GenerateLeafletStyle(new UIEventSource<any>(tags), false).icon.html
+                let icon: () => BaseUIElement = () => layer.layerDef.GenerateLeafletStyle(new UIEventSource<any>(tags), false).icon.html
                     .SetClass("w-12 h-12 block relative");
                 const presetInfo: PresetInfo = {
                     tags: preset.tags,

UI/Image/DeleteImage.ts

@@ -5,6 +5,7 @@ import Combine from "../Base/Combine";
 import State from "../../State";
 import Svg from "../../Svg";
 import {Tag} from "../../Logic/Tags/Tag";
+import ChangeTagAction from "../../Logic/Osm/Actions/ChangeTagAction";
 
 
 export default class DeleteImage extends Toggle {
@@ -15,14 +16,17 @@ export default class DeleteImage extends Toggle {
             .SetClass("rounded-full p-1")
             .SetStyle("color:white;background:#ff8c8c")
             .onClick(() => {
-                State.state?.changes?.addTag(tags.data.id, new Tag(key, oldValue), tags);
+                State.state?.changes?.
+                    applyAction(new ChangeTagAction(tags.data.id, new Tag(key, oldValue), tags.data))
             });
 
         const deleteButton = Translations.t.image.doDelete.Clone()
             .SetClass("block w-full pl-4 pr-4")
             .SetStyle("color:white;background:#ff8c8c; border-top-left-radius:30rem; border-top-right-radius: 30rem;")
             .onClick(() => {
-                State.state?.changes?.addTag(tags.data.id, new Tag(key, ""), tags);
+                State.state?.changes?.applyAction(
+                new ChangeTagAction(    tags.data.id, new Tag(key, ""), tags.data)
+                )
             });
 
         const cancelButton = Translations.t.general.cancel.Clone().SetClass("bg-white pl-4 pr-4").SetStyle("border-bottom-left-radius:30rem; border-bottom-right-radius: 30rem;");

UI/Image/ImageUploadFlow.ts

@@ -11,6 +11,7 @@ import FileSelectorButton from "../Input/FileSelectorButton";
 import ImgurUploader from "../../Logic/ImageProviders/ImgurUploader";
 import UploadFlowStateUI from "../BigComponents/UploadFlowStateUI";
 import LayerConfig from "../../Customizations/JSON/LayerConfig";
+import ChangeTagAction from "../../Logic/Osm/Actions/ChangeTagAction";
 
 export class ImageUploadFlow extends Toggle {
 
@@ -28,7 +29,10 @@ export class ImageUploadFlow extends Toggle {
                 key = imagePrefix + ":" + freeIndex;
             }
             console.log("Adding image:" + key, url);
-            State.state.changes.addTag(tags.id, new Tag(key, url), tagsSource);
+            State.state.changes
+                .applyAction(new ChangeTagAction(
+                    tags.id, new Tag(key, url), tagsSource.data
+                ))
         })
 
 

UI/Input/LocationInput.ts

@@ -42,7 +42,6 @@ export default class LocationInput extends InputElement<Loc> {
             }
         )
         map.leafletMap.addCallbackAndRunD(leaflet => {
-            console.log(leaflet.getBounds(), leaflet.getBounds().pad(0.15))
             leaflet.setMaxBounds(
                 leaflet.getBounds().pad(0.15)
             )

UI/Popup/DeleteWizard.ts

@@ -3,7 +3,7 @@ import State from "../../State";
 import Toggle from "../Input/Toggle";
 import Translations from "../i18n/Translations";
 import Svg from "../../Svg";
-import DeleteAction from "../../Logic/Osm/DeleteAction";
+import DeleteAction from "../../Logic/Osm/Actions/DeleteAction";
 import {Tag} from "../../Logic/Tags/Tag";
 import {UIEventSource} from "../../Logic/UIEventSource";
 import {TagsFilter} from "../../Logic/Tags/TagsFilter";
@@ -19,6 +19,7 @@ import {Changes} from "../../Logic/Osm/Changes";
 import {And} from "../../Logic/Tags/And";
 import Constants from "../../Models/Constants";
 import DeleteConfig from "../../Customizations/JSON/DeleteConfig";
+import ChangeTagAction from "../../Logic/Osm/Actions/ChangeTagAction";
 
 export default class DeleteWizard extends Toggle {
     /**
@@ -58,7 +59,9 @@ export default class DeleteWizard extends Toggle {
                 })
             }
             (State.state?.changes ?? new Changes())
-                .addTag(id, new And(tagsToApply.map(kv => new Tag(kv.k, kv.v))), tagsSource);
+                .applyAction(new ChangeTagAction(
+                   id, new And(tagsToApply.map(kv => new Tag(kv.k, kv.v))), tagsSource.data
+                ))
         }
 
         function doDelete(selected: TagsFilter) {

UI/Popup/FeatureInfoBox.ts

@@ -13,6 +13,7 @@ import SharedTagRenderings from "../../Customizations/SharedTagRenderings";
 import BaseUIElement from "../BaseUIElement";
 import {VariableUiElement} from "../Base/VariableUIElement";
 import DeleteWizard from "./DeleteWizard";
+import SplitRoadWizard from "./SplitRoadWizard";
 
 export default class FeatureInfoBox extends ScrollableFullScreen {
 
@@ -66,10 +67,6 @@ export default class FeatureInfoBox extends ScrollableFullScreen {
             renderings.push(questionBox);
         }
 
-        const hasMinimap = layerConfig.tagRenderings.some(tr => tr.hasMinimap())
-        if (!hasMinimap) {
-            renderings.push(new TagRenderingAnswer(tags, SharedTagRenderings.SharedTagRendering.get("minimap")))
-        }
 
         if (layerConfig.deletion) {
             renderings.push(
@@ -81,6 +78,19 @@ export default class FeatureInfoBox extends ScrollableFullScreen {
                 ))
         }
 
+        if (layerConfig.allowSplit) {
+            renderings.push(
+                new VariableUiElement(tags.map(tags => tags.id).map(id =>
+                    new SplitRoadWizard(id))
+                ))
+        }
+
+
+        const hasMinimap = layerConfig.tagRenderings.some(tr => tr.hasMinimap())
+        if (!hasMinimap) {
+            renderings.push(new TagRenderingAnswer(tags, SharedTagRenderings.SharedTagRendering.get("minimap")))
+        }
+
         renderings.push(
             new VariableUiElement(
                 State.state.osmConnection.userDetails

UI/Popup/SplitRoadWizard.ts

@@ -0,0 +1,155 @@
+import Toggle from "../Input/Toggle";
+import Svg from "../../Svg";
+import {UIEventSource} from "../../Logic/UIEventSource";
+import {SubtleButton} from "../Base/SubtleButton";
+import Minimap from "../Base/Minimap";
+import State from "../../State";
+import ShowDataLayer from "../ShowDataLayer";
+import {GeoOperations} from "../../Logic/GeoOperations";
+import {LeafletMouseEvent} from "leaflet";
+import Combine from "../Base/Combine";
+import {Button} from "../Base/Button";
+import Translations from "../i18n/Translations";
+import LayoutConfig from "../../Customizations/JSON/LayoutConfig";
+import SplitAction from "../../Logic/Osm/Actions/SplitAction";
+import {OsmObject, OsmWay} from "../../Logic/Osm/OsmObject";
+import Title from "../Base/Title";
+
+export default class SplitRoadWizard extends Toggle {
+    private static splitLayout = new UIEventSource(SplitRoadWizard.GetSplitLayout())
+
+    /**
+     * A UI Element used for splitting roads
+     *
+     * @param id: The id of the road to remove
+     */
+    constructor(id: string) {
+
+        const t = Translations.t.split;
+
+        // Contains the points on the road that are selected to split on - contains geojson points with extra properties such as 'location' with the distance along the linestring
+        const splitPoints = new UIEventSource<{ feature: any, freshness: Date }[]>([]);
+
+        const hasBeenSplit = new UIEventSource(false)
+
+        // Toggle variable between show split button and map
+        const splitClicked = new UIEventSource<boolean>(false);
+
+        // Minimap on which you can select the points to be splitted
+        const miniMap = new Minimap({background: State.state.backgroundLayer, allowMoving: false});
+        miniMap.SetStyle("width: 100%; height: 24rem;");
+
+        // Define how a cut is displayed on the map
+
+        // Load the road with given id on the minimap
+        const roadElement = State.state.allElements.ContainingFeatures.get(id)
+        const roadEventSource = new UIEventSource([{feature: roadElement, freshness: new Date()}]);
+        // Datalayer displaying the road and the cut points (if any)
+        new ShowDataLayer(roadEventSource, miniMap.leafletMap, State.state.layoutToUse, false, true, "splitRoadWay");
+        new ShowDataLayer(splitPoints, miniMap.leafletMap, SplitRoadWizard.splitLayout, false, false, "splitRoad: splitpoints")
+
+        /**
+         * Handles a click on the overleaf map.
+         * Finds the closest intersection with the road and adds a point there, ready to confirm the cut.
+         * @param coordinates Clicked location, [lon, lat]
+         */
+        function onMapClick(coordinates) {
+            // Get nearest point on the road
+            const pointOnRoad = GeoOperations.nearestPoint(roadElement, coordinates); // pointOnRoad is a geojson
+
+            // Update point properties to let it match the layer
+            pointOnRoad.properties._cutposition = "yes";
+            pointOnRoad["_matching_layer_id"] = "splitpositions";
+
+            // let the state remember the point, to be able to retrieve it later by id
+            State.state.allElements.addOrGetElement(pointOnRoad);
+
+            // Add it to the list of all points and notify observers
+            splitPoints.data.push({feature: pointOnRoad, freshness: new Date()}); // show the point on the data layer
+            splitPoints.ping(); // not updated using .setData, so manually ping observers
+        }
+
+        // When clicked, pass clicked location coordinates to onMapClick function
+        miniMap.leafletMap.addCallbackAndRunD(
+            (leafletMap) => leafletMap.on("click", (mouseEvent: LeafletMouseEvent) => {
+                onMapClick([mouseEvent.latlng.lng, mouseEvent.latlng.lat])
+            }))
+
+        // Toggle between splitmap
+        const splitButton = new SubtleButton(Svg.scissors_ui(), t.inviteToSplit.Clone());
+        splitButton.onClick(
+            () => {
+                splitClicked.setData(true)
+            }
+        )
+
+        // Only show the splitButton if logged in, else show login prompt
+        const loginBtn = t.loginToSplit.Clone()
+            .onClick(() => State.state.osmConnection.AttemptLogin())
+            .SetClass("login-button-friendly");
+        const splitToggle = new Toggle(splitButton, loginBtn, State.state.osmConnection.isLoggedIn)
+
+        // Save button
+        const saveButton = new Button(t.split.Clone(), () => {
+            hasBeenSplit.setData(true)
+            const way = OsmObject.DownloadObject(id)
+            const partOfSrc = OsmObject.DownloadReferencingRelations(id);
+            let hasRun = false
+            way.map(way => {
+                const partOf = partOfSrc.data
+                if(way === undefined || partOf === undefined){
+                    return;
+                }
+                if(hasRun){
+                    return
+                }
+                hasRun = true
+                const splitAction = new SplitAction(
+                    <OsmWay>way, way.asGeoJson(), partOf, splitPoints.data.map(ff => ff.feature)
+                )
+                State.state.changes.applyAction(splitAction)
+                
+            }, [partOfSrc])
+
+
+        });
+        saveButton.SetClass("btn btn-primary mr-3");
+        const disabledSaveButton = new Button("Split", undefined);
+        disabledSaveButton.SetClass("btn btn-disabled mr-3");
+        // Only show the save button if there are split points defined
+        const saveToggle = new Toggle(disabledSaveButton, saveButton, splitPoints.map((data) => data.length === 0))
+
+        const cancelButton = Translations.t.general.cancel.Clone() // Not using Button() element to prevent full width button
+            .SetClass("btn btn-secondary mr-3")
+            .onClick(() => {
+                splitPoints.setData([]);
+                splitClicked.setData(false);
+            });
+
+        cancelButton.SetClass("btn btn-secondary block");
+
+        const splitTitle = new Title(t.splitTitle);
+
+        const mapView = new Combine([splitTitle, miniMap, new Combine([cancelButton, saveToggle]).SetClass("flex flex-row")]);
+        mapView.SetClass("question")
+        const confirm = new Toggle(mapView, splitToggle, splitClicked);
+        super(t.hasBeenSplit.Clone(), confirm, hasBeenSplit)
+    }
+
+    private static GetSplitLayout(): LayoutConfig {
+        return new LayoutConfig({
+            maintainer: "mapcomplete",
+            language: ["en"],
+            startLon: 0,
+            startLat: 0,
+            description: "Split points visualisations - built in at SplitRoadWizard.ts",
+            icon: "", startZoom: 0,
+            title: "Split locations",
+            version: "",
+
+            id: "splitpositions",
+            layers: [{id: "splitpositions", source: {osmTags: "_cutposition=yes"}, icon: "./assets/svg/plus.svg"}]
+        }, true, "(BUILTIN) SplitRoadWizard.ts")
+
+    }
+}

UI/Popup/TagRenderingQuestion.ts

@@ -25,6 +25,7 @@ import BaseUIElement from "../BaseUIElement";
 import {DropDown} from "../Input/DropDown";
 import {Unit} from "../../Customizations/JSON/Denomination";
 import InputElementWrapper from "../Input/InputElementWrapper";
+import ChangeTagAction from "../../Logic/Osm/Actions/ChangeTagAction";
 
 /**
  * Shows the question element.
@@ -56,7 +57,9 @@ export default class TagRenderingQuestion extends Combine {
             const selection = inputElement.GetValue().data;
             if (selection) {
                 (State.state?.changes ?? new Changes())
-                    .addTag(tags.data.id, selection, tags);
+                    .applyAction(new ChangeTagAction(
+                        tags.data.id, selection, tags.data
+                    ))
             }
 
             if (options.afterSave) {
@@ -195,9 +198,7 @@ export default class TagRenderingQuestion extends Combine {
                     oppositeTags.push(notSelected);
                 }
                 tags.push(TagUtils.FlattenMultiAnswer(oppositeTags));
-                const actualTags = TagUtils.FlattenMultiAnswer(tags);
+                return TagUtils.FlattenMultiAnswer(tags);
-                console.log("Converted ", indices.join(","), "into", actualTags.asHumanString(false, false, {}), "with elems", elements)
-                return actualTags;
             },
             (tags: TagsFilter) => {
                 // {key --> values[]}

UI/ShowDataLayer.ts

@@ -22,7 +22,8 @@ export default class ShowDataLayer {
                 leafletMap: UIEventSource<L.Map>,
                 layoutToUse: UIEventSource<LayoutConfig>,
                 enablePopups = true,
-                zoomToFeatures = false) {
+                zoomToFeatures = false,
+                name?: string) {
         this._leafletMap = leafletMap;
         this._enablePopups = enablePopups;
         this._features = features;
@@ -85,9 +86,7 @@ export default class ShowDataLayer {
                     console.error(e)
                 }
             }
-
+            State.state.selectedElement.ping()
-
-            State.state.selectedElement.ping();
         }
 
         features.addCallback(() => update());
@@ -131,6 +130,7 @@ export default class ShowDataLayer {
             })
         });
     }
+
     private postProcessFeature(feature, leafletLayer: L.Layer) {
         const layer: LayerConfig = this._layerDict[feature._matching_layer_id];
         if (layer === undefined) {
@@ -188,11 +188,13 @@ export default class ShowDataLayer {
             if (selected.properties.id === feature.properties.id) {
                 // A small sanity check to prevent infinite loops:
                 if (selected.geometry.type === feature.geometry.type  // If a feature is rendered both as way and as point, opening one popup might trigger the other to open, which might trigger the one to open again
-
+                    && feature.id === feature.properties.id // the feature might have as id 'node/-1' and as 'feature.properties.id' = 'the newly assigned id'. That is no good too
-                    &&                     feature.id === feature.properties.id // the feature might have as id 'node/-1' and as 'feature.properties.id' = 'the newly assigned id'. That is no good too
+                ) {
-                     ) {
                     leafletLayer.openPopup()
                 }
+                if(feature.id !== feature.properties.id){
+                    console.trace("Not opening the popup for", feature)
+                }
 
             }
         })

UI/SpecialVisualizations.ts

@@ -56,9 +56,12 @@ export default class SpecialVisualizations {
                             if (!tags.hasOwnProperty(key)) {
                                 continue;
                             }
-                            parts.push(key + "=" + tags[key]);
+                            parts.push([key , tags[key] ?? "<b>undefined</b>" ]);
                         }
-                        return parts.join("<br/>")
+                        return new Table(
+                            ["key","value"],
+                            parts
+                        )
                     })).SetStyle("border: 1px solid black; border-radius: 1em;padding:1em;display:block;")
                 })
             },
@@ -127,6 +130,7 @@ export default class SpecialVisualizations {
                                 // This is a list of values
                                 idList = JSON.parse(value)
                             }
+                            
                             for (const id of idList) {
                                 features.push({
                                     freshness: new Date(),

UI/SubstitutedTranslation.ts

@@ -19,7 +19,6 @@ export class SubstitutedTranslation extends VariableUiElement {
         const extraMappings: SpecialVisualization[] = [];
 
         mapping?.forEach((value, key) => {
-            console.log("KV:", key, value)
             extraMappings.push(
                 {
                     funcName: key,
@@ -73,11 +72,6 @@ export class SubstitutedTranslation extends VariableUiElement {
         }
     }[] {
 
-        if (extraMappings.length > 0) {
-
-            console.log("Extra mappings are", extraMappings)
-        }
-
         for (const knownSpecial of SpecialVisualizations.specialVisualizations.concat(extraMappings)) {
 
             // Note: the '.*?' in the regex reads as 'any character, but in a non-greedy way'

UI/i18n/Translation.ts

@@ -109,9 +109,9 @@ export class Translation extends BaseUIElement {
                     // @ts-ignore
                     const date: Date = el;
                     rtext = date.toLocaleString();
-                } else if (el.ConstructElement() === undefined) {
+                } else if (el.ConstructElement === undefined) {
-                    console.error("InnerREnder is not defined", el);
+                    console.error("ConstructElement is not defined", el);
-                    throw "Hmmm, el.InnerRender is not defined?"
+                    throw "ConstructElement is not defined, you are working with a "+(typeof el)+":"+(el.constructor.name)
                 } else {
                     Translation.forcedLanguage = lang; // This is a very dirty hack - it'll bite me one day
                     rtext = el.ConstructElement().innerHTML;

Utils.ts

@@ -136,6 +136,19 @@ export class Utils {
         return newArr;
     }
     
+    public static Identical<T>(t1: T[], t2: T[], eq?: (t: T, t0: T) => boolean): boolean{
+        if(t1.length !== t2.length){
+            return false
+        }
+        eq = (a, b) => a === b
+        for (let i = 0; i < t1.length ; i++) {
+            if(!eq(t1[i] ,t2[i])){
+                return false
+            }
+        }
+        return true;
+    }
+    
     public static MergeTags(a: any, b: any) {
         const t = {};
         for (const k in a) {

assets/svg/license_info.json

@@ -1302,5 +1302,15 @@
     "sources": [
       "https://commons.wikimedia.org/wiki/File:Media-floppy.svg"
     ]
+  },
+  {
+    "authors": [
+      "The noun project - Basith Ibrahi"
+    ],
+    "path": "scissors.svg",
+    "license": "CC-BY 3.0",
+    "sources": [
+      "https://commons.wikimedia.org/wiki/File:Media-floppy.svg"
+    ]
   }
 ]

assets/svg/scissors.svg

@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   version="1.1"
+   x="0px"
+   y="0px"
+   viewBox="0 0 64 62"
+   xml:space="preserve"
+   id="svg18"
+   sodipodi:docname="scissors.svg"
+   inkscape:version="0.92.5 (2060ec1f9f, 2020-04-08)"
+   width="64"
+   height="62"><metadata
+     id="metadata24"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><defs
+     id="defs22" /><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="1053"
+     id="namedview20"
+     showgrid="false"
+     units="in"
+     height="0.8"
+     inkscape:zoom="2.95"
+     inkscape:cx="-35.288136"
+     inkscape:cy="40"
+     inkscape:window-x="0"
+     inkscape:window-y="27"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg18" /><path
+     d="m 31.850939,35.56215 c -1.123789,0 -2.038585,-0.918488 -2.038585,-2.045617 0,-1.129524 0.914796,-2.048011 2.038585,-2.048011 1.123791,0 2.037396,0.918487 2.037396,2.048011 0,1.127129 -0.913605,2.045617 -2.037396,2.045617 z m 0,-2.86578 c -0.450231,0 -0.815672,0.366916 -0.815672,0.820163 0,0.450852 0.365441,0.817768 0.815672,0.817768 0.44904,0 0.81448,-0.366916 0.81448,-0.817768 0,-0.453247 -0.36544,-0.820163 -0.81448,-0.820163 z"
+     id="path2"
+     inkscape:connector-curvature="0" /><path
+     d="m 16.746047,56.399613 c -2.171149,0 -4.172715,-0.872925 -5.862581,-2.604385 -1.7651031,-2.472485 -3.0035427,-6.391049 0.585183,-11.654973 2.216531,-3.244686 8.030148,-6.249561 11.901911,-5.46297 L 44.668845,5.1920716 c 0.259151,-0.384902 0.763126,-0.515601 1.177528,-0.300967 2.548535,1.312983 3.566036,4.3634207 2.315655,6.9450214 -2.161594,4.455748 -5.032574,10.411536 -7.553639,15.641885 -2.484043,5.153608 -4.628921,9.602163 -5.419513,11.216112 -0.298565,0.611526 -0.929131,0.628315 -1.345925,0.640304 -0.73088,0.02158 -1.640899,0.04557 -2.412387,1.654721 l -3.560063,7.266372 c -1.507147,3.069622 -3.686655,5.429394 -6.304455,6.822716 -1.658815,0.882515 -3.281803,1.321377 -4.819999,1.321377 z m 5.288147,-18.010052 c -3.069228,0 -7.427051,2.410134 -9.051234,4.791489 -2.402834,3.522869 -2.636907,6.698013 -0.697443,9.434292 2.242805,2.280635 5.106621,2.59719 8.421862,0.836952 2.273855,-1.213459 4.18227,-3.290253 5.517443,-6.012142 l 3.556482,-7.256783 c 1.221718,-2.549225 3.094305,-2.661938 3.950582,-2.688316 0.907631,-1.863358 2.919945,-6.036125 5.226044,-10.820419 2.521069,-5.230349 5.393242,-11.187336 7.553642,-15.644284 0.690277,-1.4232984 0.314091,-3.0684235 -0.833587,-4.0516624 L 24.520625,38.255265 c -0.235268,0.342934 -0.668782,0.484425 -1.060496,0.352528 -0.426347,-0.151086 -0.907631,-0.218232 -1.425935,-0.218232 z"
+     id="path4"
+     inkscape:connector-curvature="0" /><path
+     d="m 16.740077,52.672898 c -1.177533,0 -2.234446,-0.390896 -2.989212,-1.20147 -1.846314,-1.980865 -1.089158,-5.604458 1.724498,-8.247211 2.816046,-2.645153 6.468067,-3.160751 8.310797,-1.179886 1.846314,1.980865 1.089157,5.604458 -1.723305,8.247211 0,0 0,0 -0.0012,0.0024 -1.662399,1.561188 -3.618582,2.378956 -5.321584,2.378956 z m 4.067619,-9.988262 c -1.234856,0 -2.787382,0.671478 -4.078367,1.882541 -1.994401,1.875347 -2.744392,4.460545 -1.638515,5.647625 1.108266,1.187081 3.724872,0.601933 5.718078,-1.26622 v 0 c 1.993206,-1.875347 2.743195,-4.460544 1.637318,-5.647625 -0.389327,-0.417278 -0.967343,-0.616321 -1.638514,-0.616321 z m 0.628178,6.935424 h 0.02269 z"
+     id="path6"
+     inkscape:connector-curvature="0" /><path
+     d="m 46.54143,57.788136 c -1.620602,0 -3.312855,-0.501213 -5.026604,-1.496441 -2.56406,-1.489246 -4.656387,-3.928158 -6.048885,-7.052937 l -3.286579,-7.38388 c -0.206608,-0.465241 0.0012,-1.009621 0.463367,-1.218258 0.459786,-0.201443 1.004368,0.0024 1.210972,0.46524 l 3.286579,7.383881 c 1.234856,2.769856 3.06445,4.918591 5.292923,6.213589 3.245976,1.882541 6.121735,1.671505 8.542481,-0.630715 1.941856,-2.556419 1.824818,-5.738754 -0.445454,-9.345562 -1.793766,-2.85139 -7.324344,-5.889835 -10.301613,-4.961753 -0.396492,0.119903 -0.826423,-0.03837 -1.047359,-0.3909 l -1.437882,-2.304615 c -0.268703,-0.431664 -0.13853,-1.000027 0.290203,-1.268616 0.431126,-0.270992 0.996006,-0.139091 1.264714,0.290173 l 1.091545,1.750644 c 3.890873,-0.673877 9.597008,2.573208 11.690529,5.901829 3.392872,5.391026 2.01112,9.261627 0.253181,11.559048 -1.740024,1.661915 -3.706955,2.489273 -5.792118,2.489273 z"
+     id="path8"
+     inkscape:connector-curvature="0" /><path
+     d="m 27.243519,33.454182 c -0.352304,0 -0.689083,-0.206238 -0.839559,-0.551571 -1.329203,-3.038448 -3.294941,-7.067327 -5.194994,-10.965507 -1.81168,-3.714724 -3.523043,-7.224406 -4.677883,-9.846774 -1.154843,-2.6247684 -0.02627,-5.6356364 2.570028,-6.8538924 0.4156,-0.196648 0.917185,-0.04796 1.16559,0.345332 L 32.383578,25.003128 c 0.268707,0.431665 0.138531,1.000025 -0.290203,1.268618 -0.43232,0.27099 -0.996006,0.139091 -1.264714,-0.290177 L 19.191874,7.3288165 c -1.183502,0.9400721 -1.619404,2.5696101 -0.982868,4.0180885 1.139315,2.588795 2.843511,6.08169 4.646831,9.780825 1.909609,3.913769 3.882513,7.959434 5.22724,11.036253 0.204218,0.46524 -0.0072,1.007217 -0.470535,1.213459 -0.120619,0.05276 -0.246016,0.07674 -0.369023,0.07674 z"
+     id="path10"
+     inkscape:connector-curvature="0" /><path
+     d="m 46.636969,54.068615 c -0.385742,0 -0.789398,-0.04556 -1.204998,-0.134296 -1.488037,-0.316551 -2.992794,-1.184681 -4.237205,-2.446102 -1.245606,-1.259026 -2.098301,-2.774655 -2.401642,-4.271095 -0.333195,-1.637928 0.01672,-3.069622 0.982872,-4.033673 0.968536,-0.961658 2.400444,-1.290203 4.023433,-0.956859 1.488038,0.31895 2.993988,1.184681 4.238396,2.443706 2.712147,2.748272 3.335545,6.398243 1.418774,8.307167 -0.720135,0.719441 -1.695839,1.091152 -2.81963,1.091152 z M 42.601592,43.938862 c -0.518303,0 -1.101098,0.122307 -1.533417,0.551575 -0.692665,0.690662 -0.597126,1.772224 -0.477699,2.357372 0.232875,1.148713 0.910018,2.335793 1.906025,3.34301 0,0.0024 0,0.0024 0,0.0024 0.996006,1.007221 2.173538,1.697883 3.316436,1.940097 0.578019,0.119908 1.65762,0.225426 2.351479,-0.462841 1.147678,-1.143917 0.493229,-3.755493 -1.428322,-5.702785 -0.996006,-1.007217 -2.174732,-1.695484 -3.316437,-1.937698 -0.218548,-0.04796 -0.506363,-0.09113 -0.818065,-0.09113 z"
+     id="path12"
+     inkscape:connector-curvature="0" /></svg>

assets/themes/cyclestreets/cyclestreets.json

@@ -34,7 +34,7 @@
   "startZoom": 14,
   "startLon": 3.2228,
   "maintainer": "MapComplete",
-  "widenfactor": 0.05,
+  "widenfactor": 0.01,
   "roamingRenderings": [
     {
       "question": {
@@ -276,7 +276,8 @@
       },
       "tagRenderings": [
         "images"
-      ]
+      ],
+      "allowSplit": true
     }
   ]
 }

langs/en.json

@@ -27,6 +27,14 @@
     "intro": "MapComplete is an OpenStreetMap-viewer and editor, which shows you information about a specific theme.",
     "pickTheme": "Pick a theme below to get started."
   },
+  "split": {
+    "split": "Split",
+    "cancel": "Cancel",
+    "inviteToSplit": "Split this road",
+    "loginToSplit": "You must be logged in to split a road",
+    "splitTitle": "Choose on the map where to split this road",
+    "hasBeenSplit": "This way has been split"
+  },
   "delete": {
     "delete": "Delete",
     "cancel": "Cancel",

package.json

@@ -8,7 +8,7 @@
   "main": "index.js",
   "scripts": {
     "increase-memory": "export NODE_OPTIONS=--max_old_space_size=4096",
-    "start": "ts-node scripts/generateLayerOverview.ts --no-fail && npm run increase-memory && parcel *.html UI/** Logic/** assets/*.json assets/generated/* assets/layers/*/*.svg assets/tagRendering/*.json assets/themes/*/*.svg assets/themes/*/*.png vendor/* vendor/*/*",
+    "start": "ts-node scripts/generateLayerOverview.ts --no-fail && npm run increase-memory && parcel *.html UI/** Logic/** assets/*.json assets/svg/* assets/generated/* assets/layers/*/*.svg assets/tagRendering/*.json assets/themes/*/*.svg assets/themes/*/*.png vendor/* vendor/*/*",
     "test": "ts-node test/TestAll.ts",
     "init": "npm ci && npm run generate && npm run generate:editor-layer-index && npm run generate:layouts && npm run clean",
     "add-weblate-upstream": "git remote add weblate-layers https://hosted.weblate.org/git/mapcomplete/layer-translations/ ; git remote update weblate-layers",

test.html

@@ -4,10 +4,16 @@
     <title>Small tests</title>
     <link href="index.css" rel="stylesheet"/>
     <link rel="stylesheet" href="./vendor/leaflet.css"/>
-    <link href="css/tabbedComponent.css" rel="stylesheet"/>
+    <link rel="stylesheet" href="./index.css"/>
-    <link href="css/openinghourstable.css" rel="stylesheet"/>
+    <link rel="stylesheet" href="./css/userbadge.css"/>
-    <link href="css/tagrendering.css" rel="stylesheet"/>
+    <link rel="stylesheet" href="./css/tabbedComponent.css"/>
-    <link href="css/ReviewElement.css" rel="stylesheet"/>
+    <link rel="stylesheet" href="./css/mobile.css"/>
+    <link rel="stylesheet" href="./css/openinghourstable.css"/>
+    <link rel="stylesheet" href="./css/tagrendering.css"/>
+    <link rel="stylesheet" href="css/ReviewElement.css"/>
+    <link rel="stylesheet" href="vendor/MarkerCluster.css"/>
+    <link rel="stylesheet" href="vendor/MarkerCluster.Default.css"/>
+    <meta property="og:type" content="website">
     <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
 
 </head>

test.ts

@@ -1,169 +0,0 @@
-import {OsmObject} from "./Logic/Osm/OsmObject";
-import DeleteButton from "./UI/Popup/DeleteWizard";
-import Combine from "./UI/Base/Combine";
-import State from "./State";
-import DeleteWizard from "./UI/Popup/DeleteWizard";
-import {UIEventSource} from "./Logic/UIEventSource";
-import {Tag} from "./Logic/Tags/Tag";
-import {QueryParameters} from "./Logic/Web/QueryParameters";
-import {Translation} from "./UI/i18n/Translation";
-import LocationInput from "./UI/Input/LocationInput";
-import Loc from "./Models/Loc";
-import {VariableUiElement} from "./UI/Base/VariableUIElement";
-import LengthInput from "./UI/Input/LengthInput";
-import AvailableBaseLayers from "./Logic/Actors/AvailableBaseLayers";
-/*import ValidatedTextField from "./UI/Input/ValidatedTextField";
-import Combine from "./UI/Base/Combine";
-import {VariableUiElement} from "./UI/Base/VariableUIElement";
-import {UIEventSource} from "./Logic/UIEventSource";
-import TagRenderingConfig from "./Customizations/JSON/TagRenderingConfig";
-import State from "./State";
-import TagRenderingQuestion from "./UI/Popup/TagRenderingQuestion";
-import {SlideShow} from "./UI/Image/SlideShow";
-import {FixedUiElement} from "./UI/Base/FixedUiElement";
-import Img from "./UI/Base/Img";
-import {AttributedImage} from "./UI/Image/AttributedImage";
-import {Imgur} from "./Logic/ImageProviders/Imgur";
-import Minimap from "./UI/Base/Minimap";
-import Loc from "./Models/Loc";
-import AvailableBaseLayers from "./Logic/Actors/AvailableBaseLayers";
-import ShowDataLayer from "./UI/ShowDataLayer";
-import LayoutConfig from "./Customizations/JSON/LayoutConfig";
-import {AllKnownLayouts} from "./Customizations/AllKnownLayouts";
-
-
-function TestSlideshow() {
-    const elems = new UIEventSource([
-        new FixedUiElement("A"),
-        new FixedUiElement("qmsldkfjqmlsdkjfmqlskdjfmqlksdf").SetClass("text-xl"),
-        new Img("https://i.imgur.com/8lIQ5Hv.jpg"),
-        new AttributedImage("https://i.imgur.com/y5XudzW.jpg", Imgur.singleton),
-        new Img("https://www.grunge.com/img/gallery/the-real-reason-your-cat-sleeps-so-much/intro-1601496900.webp")
-    ])
-    new SlideShow(elems).AttachTo("maindiv")
-}
-
-function TestTagRendering() {
-    State.state = new State(undefined)
-    const tagsSource = new UIEventSource({
-        id: "node/1"
-    })
-    new TagRenderingQuestion(
-        tagsSource,
-        new TagRenderingConfig({
-            multiAnswer: false,
-            freeform: {
-                key: "valve"
-            },
-            question: "What valves are supported?",
-            render: "This pump supports {valve}",
-            mappings: [
-                {
-                    if: "valve=dunlop",
-                    then: "This pump supports dunlop"
-                },
-                {
-                    if: "valve=shrader",
-                    then: "shrader is supported",
-                }
-            ],
-            
-        }, undefined, "test"),
-        []
-    ).AttachTo("maindiv")
-    new VariableUiElement(tagsSource.map(tags => tags["valves"])).SetClass("alert").AttachTo("extradiv")
-}
-
-function TestAllInputMethods() {
-
-    new Combine(ValidatedTextField.tpList.map(tp => {
-        const tf = ValidatedTextField.InputForType(tp.name);
-
-        return new Combine([tf, new VariableUiElement(tf.GetValue()).SetClass("alert")]);
-    })).AttachTo("maindiv")
-}
-
-function TestMiniMap() {
-
-    const location = new UIEventSource<Loc>({
-        lon: 4.84771728515625,
-        lat: 51.17920846421931,
-        zoom: 14
-    })
-    const map0 = new Minimap({
-        location: location,
-        allowMoving: true,
-        background: new AvailableBaseLayers(location).availableEditorLayers.map(layers => layers[2])
-    })
-    map0.SetStyle("width: 500px; height: 250px; overflow: hidden; border: 2px solid red")
-        .AttachTo("maindiv")
-
-    const layout = AllKnownLayouts.layoutsList[1]
-    State.state = new State(layout)
-    console.log("LAYOUT is", layout.id)
-
-    const feature = {
-            "type": "Feature",
-            _matching_layer_id: "bike_repair_station",
-            "properties": {
-                id: "node/-1",
-                "amenity": "bicycle_repair_station"
-            },
-            "geometry": {
-                "type": "Point",
-                "coordinates": [
-                    4.84771728515625,
-                    51.17920846421931
-                ]
-            }
-        }
-
-    ;
-
-    State.state.allElements.addOrGetElement(feature)
-
-    const featureSource = new UIEventSource([{
-        freshness: new Date(),
-        feature: feature
-    }])
-
-    new ShowDataLayer(
-        featureSource,
-        map0.leafletMap,
-        new UIEventSource<LayoutConfig>(layout)
-    )
-
-    const map1 = new Minimap({
-            location: location,
-            allowMoving: true,
-            background: new AvailableBaseLayers(location).availableEditorLayers.map(layers => layers[5])
-        },
-    )
-
-    map1.SetStyle("width: 500px; height: 250px; overflow: hidden; border : 2px solid black")
-        .AttachTo("extradiv")
-
-
-    new ShowDataLayer(
-        featureSource,
-        map1.leafletMap,
-        new UIEventSource<LayoutConfig>(layout)
-    )
-
-    featureSource.ping()
-}
-//*/
-
-const loc = new UIEventSource<Loc>({
-    zoom: 24,
-    lat: 51.21043,
-    lon: 3.21389
-})
-const li = new LengthInput(
-    AvailableBaseLayers.SelectBestLayerAccordingTo(loc, new UIEventSource<string | string[]>("map","photo")),
-    loc
-)
-    li.SetStyle("height: 30rem; background: aliceblue;")
-        .AttachTo("maindiv")
-
-new VariableUiElement(li.GetValue().map(v => JSON.stringify(v, null, "  "))).AttachTo("extradiv")