Refactoring: port import flow

UI/Popup/ImportButtons/ConflateImportButtonViz.ts

@@ -0,0 +1,89 @@
+import {SpecialVisualization, SpecialVisualizationState} from "../../SpecialVisualization";
+import {UIEventSource} from "../../../Logic/UIEventSource";
+import {Feature, Geometry, LineString, Polygon} from "geojson";
+import LayerConfig from "../../../Models/ThemeConfig/LayerConfig";
+import BaseUIElement from "../../BaseUIElement";
+import {ImportFlowArguments, ImportFlowUtils} from "./ImportFlow";
+import Translations from "../../i18n/Translations";
+import {Utils} from "../../../Utils";
+import SvelteUIElement from "../../Base/SvelteUIElement";
+import WayImportFlow from "./WayImportFlow.svelte";
+import ConflateImportFlowState from "./ConflateImportFlowState";
+import {AutoAction} from "../AutoApplyButton";
+import {IndexedFeatureSource} from "../../../Logic/FeatureSource/FeatureSource";
+import {Changes} from "../../../Logic/Osm/Changes";
+import LayoutConfig from "../../../Models/ThemeConfig/LayoutConfig";
+import {OsmConnection} from "../../../Logic/Osm/OsmConnection";
+
+export interface ConflateFlowArguments extends ImportFlowArguments {
+    way_to_conflate: string
+    point_move_mode?: "move_osm" | undefined;
+    max_snap_distance?: string
+    snap_onto_layers?: string,
+}
+
+export default class ConflateImportButtonViz implements SpecialVisualization, AutoAction {
+    supportsAutoAction: boolean = true;
+    public readonly funcName: string = "conflate_button";
+    public readonly args: { name: string; defaultValue?: string; doc: string; required?: boolean }[] = [
+        ...ImportFlowUtils.generalArguments,
+        {
+            name: "way_to_conflate",
+            doc: "The key, of which the corresponding value is the id of the OSM-way that must be conflated; typically a calculatedTag",
+        },
+
+
+    ];
+    readonly docs: string = "This button will modify the geometry of an existing OSM way to match the specified geometry. This can conflate OSM-ways with LineStrings and Polygons (only simple polygons with one single ring). An attempt is made to move points with special values to a decent new location (e.g. entrances)" + ImportFlowUtils.documentationGeneral
+    public readonly needsNodeDatabase = true
+
+
+    async applyActionOn(feature: Feature<Geometry, { [name: string]: any; }>, state: {
+        osmConnection: OsmConnection,
+        layout: LayoutConfig;
+        changes: Changes;
+        indexedFeatures: IndexedFeatureSource;
+    }, tagSource: UIEventSource<any>, argument: string[]): Promise<void> {
+
+        {
+            // Small safety check to prevent duplicate imports
+            const id = tagSource.data.id
+            if (ImportFlowUtils.importedIds.has(id)) {
+                return
+            }
+            ImportFlowUtils.importedIds.add(id)
+        }
+
+        if (feature.geometry.type !== "LineString" && feature.geometry.type !== "Polygon") {
+            return
+        }
+
+        const args: ConflateFlowArguments = <any>Utils.ParseVisArgs(this.args, argument)
+        const tagsToApply = ImportFlowUtils.getTagsToApply(tagSource, args)
+        const idOfWayToReplaceGeometry = tagSource.data[args.way_to_conflate]
+        const action = ConflateImportFlowState.createAction(<Feature<LineString | Polygon>>feature, args, state, idOfWayToReplaceGeometry, tagsToApply)
+        tagSource.data["_imported"] = "yes"
+        tagSource.ping()
+        await state.changes.applyAction(action)
+    }
+
+    constr(state: SpecialVisualizationState, tagSource: UIEventSource<Record<string, string>>, argument: string[], feature: Feature, layer: LayerConfig): BaseUIElement {
+
+        const canBeImported = feature.geometry.type === "LineString" ||
+            (feature.geometry.type === "Polygon" && feature.geometry.coordinates.length === 1)
+        if (!canBeImported) {
+            return Translations.t.general.add.import.wrongTypeToConflate.SetClass("alert")
+        }
+        const args: ConflateFlowArguments = <any>Utils.ParseVisArgs(this.args, argument)
+        const tagsToApply = ImportFlowUtils.getTagsToApply(tagSource, args)
+        const idOfWayToReplaceGeometry = tagSource.data[args.way_to_conflate]
+        const importFlow = new ConflateImportFlowState(state, <Feature<LineString | Polygon>>feature, args, tagsToApply, tagSource, idOfWayToReplaceGeometry)
+        return new SvelteUIElement(WayImportFlow, {
+            importFlow
+        })
+    }
+
+    getLayerDependencies(args: string[]) {
+        return ImportFlowUtils.getLayerDependenciesWithSnapOnto(this.args, args)
+    }
+}