Finishing touches to export functionality, enable it in cycle_infra

Logic/GeoOperations.ts

@@ -273,14 +273,61 @@ export class GeoOperations {
         }
         return undefined;
     }
+
     /**
      * Generates the closest point on a way from a given point
      * @param way The road on which you want to find a point
      * @param point Point defined as [lon, lat]
      */
-    public static nearestPoint(way, point: [number, number]){
+    public static nearestPoint(way, point: [number, number]) {
         return turf.nearestPointOnLine(way, point, {units: "kilometers"});
     }
+
+    public static toCSV(features: any[]): string {
+
+        const headerValuesSeen = new Set<string>();
+        const headerValuesOrdered: string[] = []
+
+        function addH(key) {
+            if (!headerValuesSeen.has(key)) {
+                headerValuesSeen.add(key)
+                headerValuesOrdered.push(key)
+            }
+        }
+
+        addH("_lat")
+        addH("_lon")
+
+        const lines: string[] = []
+
+        for (const feature of features) {
+            const properties = feature.properties;
+            for (const key in properties) {
+                if (!properties.hasOwnProperty(key)) {
+                    continue;
+                }
+                addH(key)
+
+            }
+        }
+        headerValuesOrdered.sort()
+        for (const feature of features) {
+            const properties = feature.properties;
+            let line = ""
+            for (const key of headerValuesOrdered) {
+                const value = properties[key]
+                if (value === undefined) {
+                    line += ","
+                } else {
+                    line += JSON.stringify(value)+","
+                }
+            }
+            lines.push(line)
+        }
+
+        return headerValuesOrdered.map(v => JSON.stringify(v)).join(",") + "\n" + lines.join("\n")
+    }
+
 }
 
 

UI/BigComponents/ExportDataButton.ts

@@ -5,17 +5,49 @@ import State from "../../State";
 import {FeatureSourceUtils} from "../../Logic/FeatureSource/FeatureSource";
 import {Utils} from "../../Utils";
 import Combine from "../Base/Combine";
+import CheckBoxes from "../Input/Checkboxes";
+import {GeoOperations} from "../../Logic/GeoOperations";
+import Toggle from "../Input/Toggle";
+import Title from "../Base/Title";
 
-export class ExportDataButton extends Combine {
+export class ExportDataButton extends Toggle {
     constructor() {
         const t = Translations.t.general.download
-        const button = new SubtleButton(Svg.floppy_ui(), t.downloadGeojson.Clone().SetClass("font-bold"))
+      const somethingLoaded =  State.state.featurePipeline.features.map(features => features.length > 0);
+        const includeMetaToggle = new CheckBoxes([t.includeMetaData.Clone()])
+        const metaisIncluded = includeMetaToggle.GetValue().map(selected => selected.length > 0)
+        const buttonGeoJson = new SubtleButton(Svg.floppy_ui(), 
+            new Combine([t.downloadGeojson.Clone().SetClass("font-bold"),
+            t.downloadGeoJsonHelper.Clone()]).SetClass("flex flex-col"))
             .onClick(() => {
-                const geojson = FeatureSourceUtils.extractGeoJson(State.state.featurePipeline)
+                const geojson = FeatureSourceUtils.extractGeoJson(State.state.featurePipeline, {metadata: metaisIncluded.data})
                 const name = State.state.layoutToUse.data.id;
-                Utils.offerContentsAsDownloadableFile(JSON.stringify(geojson), `MapComplete_${name}_export_${new Date().toISOString().substr(0,19)}.geojson`);
+                Utils.offerContentsAsDownloadableFile(JSON.stringify(geojson), 
+                    `MapComplete_${name}_export_${new Date().toISOString().substr(0,19)}.geojson`);
             })
         
-        super([button, t.licenseInfo.Clone().SetClass("link-underline")])
+        const buttonCSV = new SubtleButton(Svg.floppy_ui(),  new Combine(
+            [t.downloadCSV.Clone().SetClass("font-bold"),
+            t.downloadCSVHelper.Clone()]).SetClass("flex flex-col"))
+            .onClick(() => {
+                const geojson = FeatureSourceUtils.extractGeoJson(State.state.featurePipeline, {metadata: metaisIncluded.data})
+                const csv = GeoOperations.toCSV(geojson.features)
+
+
+                Utils.offerContentsAsDownloadableFile(csv,
+                    `MapComplete_${name}_export_${new Date().toISOString().substr(0,19)}.csv`,{
+                    mimetype:"text/csv"
+                    });
+
+
+            })
+        const downloadButtons = new Combine(
+            [new Title(t.title), buttonGeoJson, buttonCSV, includeMetaToggle, t.licenseInfo.Clone().SetClass("link-underline")])
+                    .SetClass("w-full flex flex-col border-4 border-gray-300 rounded-3xl p-4")
+        
+        super(
+            downloadButtons,
+            t.noDataLoaded.Clone(),
+            somethingLoaded)
     }
 }

Utils.ts

@@ -135,7 +135,7 @@ export class Utils {
         }
         return newArr;
     }
-    
+
     public static MergeTags(a: any, b: any) {
         const t = {};
         for (const k in a) {
@@ -356,12 +356,12 @@ export class Utils {
 
     /**
      * Triggers a 'download file' popup which will download the contents
-     * @param contents
-     * @param fileName
      */
-    public static offerContentsAsDownloadableFile(contents: string, fileName: string = "download.txt") {
+    public static offerContentsAsDownloadableFile(contents: string, fileName: string = "download.txt", options?: {
+        mimetype: string
+    }) {
         const element = document.createElement("a");
-        const file = new Blob([contents], {type: 'text/plain'});
+        const file = new Blob([contents], {type: options?.mimetype ?? 'text/plain'});
         element.href = URL.createObjectURL(file);
         element.download = fileName;
         document.body.appendChild(element); // Required for this to work in FireFox
@@ -449,8 +449,8 @@ export class Utils {
         }
     }
 
-    public static setDefaults(options, defaults){
+    public static setDefaults(options, defaults) {
-        for (let key in defaults){
+        for (let key in defaults) {
             if (!(key in options)) options[key] = defaults[key];
         }
         return options;

assets/themes/cycle_infra/cycle_infra.json

@@ -25,7 +25,7 @@
   "startZoom": 11,
   "widenFactor": 0.05,
   "socialImage": "./assets/themes/cycle_infra/cycle-infra.svg",
-  "enableDownload": true,
+  "enableExportButton": true,
   "layers": [
     {
       "id": "cycleways",

langs/en.json

@@ -150,8 +150,14 @@
       "title": "Select layers"
     },
     "download": {
+      "title": "Download visible data",
       "downloadGeojson": "Download visible data as geojson",
-      "licenseInfo": "<h3>Copyright notice</h3>The provided is available under ODbL. Reusing this data is free for any purpose, but <ul><li>the attribution <b>© OpenStreetMap contributors</b></li><li>Any change to this data must be republished under the same license</li></ul>. Please see the full <a href='https://www.openstreetmap.org/copyright' target='_blank'>copyright notice</a> for details"
+      "downloadGeoJsonHelper": "Compatible with QGIS, OsmAnd, ArcGIS, ESRI, ...",
+      "downloadCSV": "Download as CSV",
+      "downloadCSVHelper": "Compatible with LibreOffice Calc, Excel, ...",
+      "includeMetaData": "Include metadata (last editor, calculated values, ...)",
+      "licenseInfo": "<h3>Copyright notice</h3>The provided is available under ODbL. Reusing this data is free for any purpose, but <ul><li>the attribution <b>© OpenStreetMap contributors</b> is required</li><li>Any change to this data must be republished under the same license</li></ul> Please read the full <a href='https://www.openstreetmap.org/copyright' target='_blank'>copyright notice</a> for details",
+      "noDataLoaded": "No data is loaded yet. Download will be available soon"
     },
     "weekdays": {
       "abbreviations": {