Refactoring: fix download buttons
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10 changed files with 142 additions and 134 deletions
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@ -7,24 +7,21 @@ import CheckBoxes from "../Input/Checkboxes"
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import { GeoOperations } from "../../Logic/GeoOperations"
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import Toggle from "../Input/Toggle"
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import Title from "../Base/Title"
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import FeaturePipeline from "../../Logic/FeatureSource/FeaturePipeline"
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import { UIEventSource } from "../../Logic/UIEventSource"
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import { Store } from "../../Logic/UIEventSource"
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import SimpleMetaTagger from "../../Logic/SimpleMetaTagger"
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import LayoutConfig from "../../Models/ThemeConfig/LayoutConfig"
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import { BBox } from "../../Logic/BBox"
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import FilteredLayer, { FilterState } from "../../Models/FilteredLayer"
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import geojson2svg from "geojson2svg"
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import LayerConfig from "../../Models/ThemeConfig/LayerConfig"
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import { SpecialVisualizationState } from "../SpecialVisualization"
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import { Feature, FeatureCollection } from "geojson"
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import { GeoIndexedStoreForLayer } from "../../Logic/FeatureSource/Actors/GeoIndexedStore"
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import LayerState from "../../Logic/State/LayerState"
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export class DownloadPanel extends Toggle {
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constructor(state: {
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filteredLayers: UIEventSource<FilteredLayer[]>
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featurePipeline: FeaturePipeline
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layoutToUse: LayoutConfig
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currentBounds: UIEventSource<BBox>
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}) {
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constructor(state: SpecialVisualizationState) {
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const t = Translations.t.general.download
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const name = state.layoutToUse.id
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const name = state.layout.id
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const includeMetaToggle = new CheckBoxes([t.includeMetaData])
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const metaisIncluded = includeMetaToggle.GetValue().map((selected) => selected.length > 0)
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@ -71,12 +68,13 @@ export class DownloadPanel extends Toggle {
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)
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).OnClickWithLoading(t.exporting, async () => {
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const geojson = DownloadPanel.getCleanGeoJsonPerLayer(state, metaisIncluded.data)
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const leafletdiv = document.getElementById("leafletDiv")
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const maindiv = document.getElementById("maindiv")
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const layers = state.layout.layers.filter((l) => l.source !== null)
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const csv = DownloadPanel.asSvg(geojson, {
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layers: state.filteredLayers.data.map((l) => l.layerDef),
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mapExtent: state.currentBounds.data,
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width: leafletdiv.offsetWidth,
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height: leafletdiv.offsetHeight,
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layers,
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mapExtent: state.mapProperties.bounds.data,
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width: maindiv.offsetWidth,
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height: maindiv.offsetHeight,
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})
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Utils.offerContentsAsDownloadableFile(
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@ -97,7 +95,11 @@ export class DownloadPanel extends Toggle {
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t.licenseInfo.SetClass("link-underline"),
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]).SetClass("w-full flex flex-col border-4 border-gray-300 rounded-3xl p-4")
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super(downloadButtons, t.noDataLoaded, state.featurePipeline.somethingLoaded)
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super(
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downloadButtons,
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t.noDataLoaded,
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state.dataIsLoading.map((x) => !x)
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)
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}
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/**
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@ -118,7 +120,7 @@ export class DownloadPanel extends Toggle {
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* DownloadPanel.asSvg(perLayer).replace(/\n/g, "") // => `<svg width="1000px" height="1000px" viewBox="0 0 1000 1000"> <g id="testlayer" inkscape:groupmode="layer" inkscape:label="testlayer"> <path d="M0,27.77777777777778 1000,472.22222222222223" style="fill:none;stroke-width:1" stroke="#ff0000"/> </g></svg>`
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*/
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public static asSvg(
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perLayer: Map<string, any[]>,
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perLayer: Map<string, Feature[]>,
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options?: {
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layers?: LayerConfig[]
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width?: 1000 | number
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@ -128,8 +130,11 @@ export class DownloadPanel extends Toggle {
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}
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) {
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options = options ?? {}
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const w = options.width ?? 1000
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const h = options.height ?? 1000
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const width = options.width ?? 1000
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const height = options.height ?? 1000
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if (width <= 0 || height <= 0) {
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throw "Invalid width of height, they should be > 0"
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}
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const unit = options.unit ?? "px"
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const mapExtent = { left: -180, bottom: -90, right: 180, top: 90 }
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if (options.mapExtent !== undefined) {
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@ -139,7 +144,7 @@ export class DownloadPanel extends Toggle {
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mapExtent.bottom = bbox.minLat
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mapExtent.top = bbox.maxLat
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}
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console.log("Generateing svg, extent:", { mapExtent, width, height })
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const elements: string[] = []
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for (const layer of Array.from(perLayer.keys())) {
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@ -152,7 +157,7 @@ export class DownloadPanel extends Toggle {
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const rendering = layerDef?.lineRendering[0]
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const converter = geojson2svg({
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viewportSize: { width: w, height: h },
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viewportSize: { width, height },
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mapExtent,
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output: "svg",
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attributes: [
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@ -184,105 +189,85 @@ export class DownloadPanel extends Toggle {
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elements.push(group)
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}
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const w = width
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const h = height
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const header = `<svg width="${w}${unit}" height="${h}${unit}" viewBox="0 0 ${w} ${h}">`
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return header + "\n" + elements.join("\n") + "\n</svg>"
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}
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/**
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* Gets all geojson as geojson feature
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* @param state
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* @param includeMetaData
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* @private
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*/
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private static getCleanGeoJson(
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state: {
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featurePipeline: FeaturePipeline
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currentBounds: UIEventSource<BBox>
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filteredLayers: UIEventSource<FilteredLayer[]>
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layout: LayoutConfig
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mapProperties: { bounds: Store<BBox> }
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perLayer: ReadonlyMap<string, GeoIndexedStoreForLayer>
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layerState: LayerState
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},
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includeMetaData: boolean
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) {
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const perLayer = DownloadPanel.getCleanGeoJsonPerLayer(state, includeMetaData)
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const features = [].concat(...Array.from(perLayer.values()))
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): FeatureCollection {
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const featuresPerLayer = DownloadPanel.getCleanGeoJsonPerLayer(state, includeMetaData)
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const features = [].concat(...Array.from(featuresPerLayer.values()))
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return {
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type: "FeatureCollection",
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features,
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}
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}
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private static getCleanGeoJsonPerLayer(
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state: {
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featurePipeline: FeaturePipeline
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currentBounds: UIEventSource<BBox>
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filteredLayers: UIEventSource<FilteredLayer[]>
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},
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includeMetaData: boolean
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): Map<string, any[]> /*{layerId --> geojsonFeatures[]}*/ {
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const perLayer = new Map<string, any[]>()
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const neededLayers = state.filteredLayers.data.map((l) => l.layerDef.id)
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const bbox = state.currentBounds.data
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const featureList = state.featurePipeline.GetAllFeaturesAndMetaWithin(
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bbox,
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new Set(neededLayers)
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)
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for (const tile of featureList) {
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if (tile.layer !== undefined) {
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continue
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}
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const layer = state.filteredLayers.data.find((fl) => fl.layerDef.id === tile.layer)
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if (!perLayer.has(tile.layer)) {
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perLayer.set(tile.layer, [])
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}
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const featureList = perLayer.get(tile.layer)
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const filters = layer.appliedFilters.data
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perfeature: for (const feature of tile.features) {
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if (!bbox.overlapsWith(BBox.get(feature))) {
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continue
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}
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if (filters !== undefined) {
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for (let key of Array.from(filters.keys())) {
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const filter: FilterState = filters.get(key)
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if (filter?.currentFilter === undefined) {
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continue
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}
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if (!filter.currentFilter.matchesProperties(feature.properties)) {
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continue perfeature
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}
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}
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}
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const cleaned = {
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type: feature.type,
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geometry: { ...feature.geometry },
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properties: { ...feature.properties },
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}
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if (!includeMetaData) {
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for (const key in cleaned.properties) {
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if (key === "_lon" || key === "_lat") {
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continue
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}
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if (key.startsWith("_")) {
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delete feature.properties[key]
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}
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}
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}
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const datedKeys = [].concat(
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SimpleMetaTagger.metatags
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.filter((tagging) => tagging.includesDates)
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.map((tagging) => tagging.keys)
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)
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for (const key of datedKeys) {
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delete feature.properties[key]
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}
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featureList.push(cleaned)
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}
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/**
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* Returns a new feature of which all the metatags are deleted
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*/
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private static cleanFeature(f: Feature): Feature {
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f = {
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type: f.type,
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geometry: { ...f.geometry },
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properties: { ...f.properties },
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}
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return perLayer
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for (const key in f.properties) {
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if (key === "_lon" || key === "_lat") {
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continue
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}
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if (key.startsWith("_")) {
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delete f.properties[key]
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}
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}
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const datedKeys = [].concat(
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SimpleMetaTagger.metatags
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.filter((tagging) => tagging.includesDates)
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.map((tagging) => tagging.keys)
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)
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for (const key of datedKeys) {
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delete f.properties[key]
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}
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return f
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}
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private static getCleanGeoJsonPerLayer(
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state: {
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layout: LayoutConfig
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mapProperties: { bounds: Store<BBox> }
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perLayer: ReadonlyMap<string, GeoIndexedStoreForLayer>
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layerState: LayerState
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},
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includeMetaData: boolean
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): Map<string, Feature[]> {
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const featuresPerLayer = new Map<string, any[]>()
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const neededLayers = state.layout.layers.filter((l) => l.source !== null).map((l) => l.id)
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const bbox = state.mapProperties.bounds.data
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for (const neededLayer of neededLayers) {
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const indexedFeatureSource = state.perLayer.get(neededLayer)
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let features = indexedFeatureSource.GetFeaturesWithin(bbox, true)
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// The 'indexedFeatureSources' contains _all_ features, they are not filtered yet
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const filter = state.layerState.filteredLayers.get(neededLayer)
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features = features.filter((f) =>
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filter.isShown(f.properties, state.layerState.globalFilters.data)
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)
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if (!includeMetaData) {
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features = features.map((f) => DownloadPanel.cleanFeature(f))
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}
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featuresPerLayer.set(neededLayer, features)
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}
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return featuresPerLayer
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}
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}
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@ -28,7 +28,8 @@
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import UserRelatedState from "../Logic/State/UserRelatedState";
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import LoginToggle from "./Base/LoginToggle.svelte";
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import LoginButton from "./Base/LoginButton.svelte";
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import CopyrightPanel from "./BigComponents/CopyrightPanel.js";
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import CopyrightPanel from "./BigComponents/CopyrightPanel";
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import { DownloadPanel } from "./BigComponents/DownloadPanel";
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export let state: ThemeViewState;
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let layout = state.layout;
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@ -150,12 +151,21 @@
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<RasterLayerPicker {availableLayers} value={mapproperties.rasterLayer}></RasterLayerPicker>
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</If>
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</div>
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<div slot="title2" class="flex">
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<img src="./assets/svg/download.svg" class="w-4 h-4"/>
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<Tr t={Translations.t.general.download.title}/>
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</div>
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<div slot="content2">
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<ToSvelte construct={() => new DownloadPanel(state)}/>
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</div>
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<div slot="title2">
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<div slot="title3">
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<Tr t={Translations.t.general.attribution.title}/>
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</div>
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<ToSvelte slot="content2" construct={() => new CopyrightPanel(state)}></ToSvelte>
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<ToSvelte slot="content3" construct={() => new CopyrightPanel(state)}></ToSvelte>
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</TabbedGroup>
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</FloatOver>
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</If>
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