Refactoring: fix download buttons

This commit is contained in:
Pieter Vander Vennet 2023-04-14 04:33:06 +02:00
parent 8a1f0599d9
commit ef0ec5160d
10 changed files with 142 additions and 134 deletions

View file

@ -7,24 +7,21 @@ import CheckBoxes from "../Input/Checkboxes"
import { GeoOperations } from "../../Logic/GeoOperations"
import Toggle from "../Input/Toggle"
import Title from "../Base/Title"
import FeaturePipeline from "../../Logic/FeatureSource/FeaturePipeline"
import { UIEventSource } from "../../Logic/UIEventSource"
import { Store } from "../../Logic/UIEventSource"
import SimpleMetaTagger from "../../Logic/SimpleMetaTagger"
import LayoutConfig from "../../Models/ThemeConfig/LayoutConfig"
import { BBox } from "../../Logic/BBox"
import FilteredLayer, { FilterState } from "../../Models/FilteredLayer"
import geojson2svg from "geojson2svg"
import LayerConfig from "../../Models/ThemeConfig/LayerConfig"
import { SpecialVisualizationState } from "../SpecialVisualization"
import { Feature, FeatureCollection } from "geojson"
import { GeoIndexedStoreForLayer } from "../../Logic/FeatureSource/Actors/GeoIndexedStore"
import LayerState from "../../Logic/State/LayerState"
export class DownloadPanel extends Toggle {
constructor(state: {
filteredLayers: UIEventSource<FilteredLayer[]>
featurePipeline: FeaturePipeline
layoutToUse: LayoutConfig
currentBounds: UIEventSource<BBox>
}) {
constructor(state: SpecialVisualizationState) {
const t = Translations.t.general.download
const name = state.layoutToUse.id
const name = state.layout.id
const includeMetaToggle = new CheckBoxes([t.includeMetaData])
const metaisIncluded = includeMetaToggle.GetValue().map((selected) => selected.length > 0)
@ -71,12 +68,13 @@ export class DownloadPanel extends Toggle {
)
).OnClickWithLoading(t.exporting, async () => {
const geojson = DownloadPanel.getCleanGeoJsonPerLayer(state, metaisIncluded.data)
const leafletdiv = document.getElementById("leafletDiv")
const maindiv = document.getElementById("maindiv")
const layers = state.layout.layers.filter((l) => l.source !== null)
const csv = DownloadPanel.asSvg(geojson, {
layers: state.filteredLayers.data.map((l) => l.layerDef),
mapExtent: state.currentBounds.data,
width: leafletdiv.offsetWidth,
height: leafletdiv.offsetHeight,
layers,
mapExtent: state.mapProperties.bounds.data,
width: maindiv.offsetWidth,
height: maindiv.offsetHeight,
})
Utils.offerContentsAsDownloadableFile(
@ -97,7 +95,11 @@ export class DownloadPanel extends Toggle {
t.licenseInfo.SetClass("link-underline"),
]).SetClass("w-full flex flex-col border-4 border-gray-300 rounded-3xl p-4")
super(downloadButtons, t.noDataLoaded, state.featurePipeline.somethingLoaded)
super(
downloadButtons,
t.noDataLoaded,
state.dataIsLoading.map((x) => !x)
)
}
/**
@ -118,7 +120,7 @@ export class DownloadPanel extends Toggle {
* 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>`
*/
public static asSvg(
perLayer: Map<string, any[]>,
perLayer: Map<string, Feature[]>,
options?: {
layers?: LayerConfig[]
width?: 1000 | number
@ -128,8 +130,11 @@ export class DownloadPanel extends Toggle {
}
) {
options = options ?? {}
const w = options.width ?? 1000
const h = options.height ?? 1000
const width = options.width ?? 1000
const height = options.height ?? 1000
if (width <= 0 || height <= 0) {
throw "Invalid width of height, they should be > 0"
}
const unit = options.unit ?? "px"
const mapExtent = { left: -180, bottom: -90, right: 180, top: 90 }
if (options.mapExtent !== undefined) {
@ -139,7 +144,7 @@ export class DownloadPanel extends Toggle {
mapExtent.bottom = bbox.minLat
mapExtent.top = bbox.maxLat
}
console.log("Generateing svg, extent:", { mapExtent, width, height })
const elements: string[] = []
for (const layer of Array.from(perLayer.keys())) {
@ -152,7 +157,7 @@ export class DownloadPanel extends Toggle {
const rendering = layerDef?.lineRendering[0]
const converter = geojson2svg({
viewportSize: { width: w, height: h },
viewportSize: { width, height },
mapExtent,
output: "svg",
attributes: [
@ -184,105 +189,85 @@ export class DownloadPanel extends Toggle {
elements.push(group)
}
const w = width
const h = height
const header = `<svg width="${w}${unit}" height="${h}${unit}" viewBox="0 0 ${w} ${h}">`
return header + "\n" + elements.join("\n") + "\n</svg>"
}
/**
* Gets all geojson as geojson feature
* @param state
* @param includeMetaData
* @private
*/
private static getCleanGeoJson(
state: {
featurePipeline: FeaturePipeline
currentBounds: UIEventSource<BBox>
filteredLayers: UIEventSource<FilteredLayer[]>
layout: LayoutConfig
mapProperties: { bounds: Store<BBox> }
perLayer: ReadonlyMap<string, GeoIndexedStoreForLayer>
layerState: LayerState
},
includeMetaData: boolean
) {
const perLayer = DownloadPanel.getCleanGeoJsonPerLayer(state, includeMetaData)
const features = [].concat(...Array.from(perLayer.values()))
): FeatureCollection {
const featuresPerLayer = DownloadPanel.getCleanGeoJsonPerLayer(state, includeMetaData)
const features = [].concat(...Array.from(featuresPerLayer.values()))
return {
type: "FeatureCollection",
features,
}
}
private static getCleanGeoJsonPerLayer(
state: {
featurePipeline: FeaturePipeline
currentBounds: UIEventSource<BBox>
filteredLayers: UIEventSource<FilteredLayer[]>
},
includeMetaData: boolean
): Map<string, any[]> /*{layerId --> geojsonFeatures[]}*/ {
const perLayer = new Map<string, any[]>()
const neededLayers = state.filteredLayers.data.map((l) => l.layerDef.id)
const bbox = state.currentBounds.data
const featureList = state.featurePipeline.GetAllFeaturesAndMetaWithin(
bbox,
new Set(neededLayers)
)
for (const tile of featureList) {
if (tile.layer !== undefined) {
continue
}
const layer = state.filteredLayers.data.find((fl) => fl.layerDef.id === tile.layer)
if (!perLayer.has(tile.layer)) {
perLayer.set(tile.layer, [])
}
const featureList = perLayer.get(tile.layer)
const filters = layer.appliedFilters.data
perfeature: for (const feature of tile.features) {
if (!bbox.overlapsWith(BBox.get(feature))) {
continue
}
if (filters !== undefined) {
for (let key of Array.from(filters.keys())) {
const filter: FilterState = filters.get(key)
if (filter?.currentFilter === undefined) {
continue
}
if (!filter.currentFilter.matchesProperties(feature.properties)) {
continue perfeature
}
}
}
const cleaned = {
type: feature.type,
geometry: { ...feature.geometry },
properties: { ...feature.properties },
}
if (!includeMetaData) {
for (const key in cleaned.properties) {
if (key === "_lon" || key === "_lat") {
continue
}
if (key.startsWith("_")) {
delete feature.properties[key]
}
}
}
const datedKeys = [].concat(
SimpleMetaTagger.metatags
.filter((tagging) => tagging.includesDates)
.map((tagging) => tagging.keys)
)
for (const key of datedKeys) {
delete feature.properties[key]
}
featureList.push(cleaned)
}
/**
* Returns a new feature of which all the metatags are deleted
*/
private static cleanFeature(f: Feature): Feature {
f = {
type: f.type,
geometry: { ...f.geometry },
properties: { ...f.properties },
}
return perLayer
for (const key in f.properties) {
if (key === "_lon" || key === "_lat") {
continue
}
if (key.startsWith("_")) {
delete f.properties[key]
}
}
const datedKeys = [].concat(
SimpleMetaTagger.metatags
.filter((tagging) => tagging.includesDates)
.map((tagging) => tagging.keys)
)
for (const key of datedKeys) {
delete f.properties[key]
}
return f
}
private static getCleanGeoJsonPerLayer(
state: {
layout: LayoutConfig
mapProperties: { bounds: Store<BBox> }
perLayer: ReadonlyMap<string, GeoIndexedStoreForLayer>
layerState: LayerState
},
includeMetaData: boolean
): Map<string, Feature[]> {
const featuresPerLayer = new Map<string, any[]>()
const neededLayers = state.layout.layers.filter((l) => l.source !== null).map((l) => l.id)
const bbox = state.mapProperties.bounds.data
for (const neededLayer of neededLayers) {
const indexedFeatureSource = state.perLayer.get(neededLayer)
let features = indexedFeatureSource.GetFeaturesWithin(bbox, true)
// The 'indexedFeatureSources' contains _all_ features, they are not filtered yet
const filter = state.layerState.filteredLayers.get(neededLayer)
features = features.filter((f) =>
filter.isShown(f.properties, state.layerState.globalFilters.data)
)
if (!includeMetaData) {
features = features.map((f) => DownloadPanel.cleanFeature(f))
}
featuresPerLayer.set(neededLayer, features)
}
return featuresPerLayer
}
}

View file

@ -28,7 +28,8 @@
import UserRelatedState from "../Logic/State/UserRelatedState";
import LoginToggle from "./Base/LoginToggle.svelte";
import LoginButton from "./Base/LoginButton.svelte";
import CopyrightPanel from "./BigComponents/CopyrightPanel.js";
import CopyrightPanel from "./BigComponents/CopyrightPanel";
import { DownloadPanel } from "./BigComponents/DownloadPanel";
export let state: ThemeViewState;
let layout = state.layout;
@ -150,12 +151,21 @@
<RasterLayerPicker {availableLayers} value={mapproperties.rasterLayer}></RasterLayerPicker>
</If>
</div>
<div slot="title2" class="flex">
<img src="./assets/svg/download.svg" class="w-4 h-4"/>
<Tr t={Translations.t.general.download.title}/>
</div>
<div slot="content2">
<ToSvelte construct={() => new DownloadPanel(state)}/>
</div>
<div slot="title2">
<div slot="title3">
<Tr t={Translations.t.general.attribution.title}/>
</div>
<ToSvelte slot="content2" construct={() => new CopyrightPanel(state)}></ToSvelte>
<ToSvelte slot="content3" construct={() => new CopyrightPanel(state)}></ToSvelte>
</TabbedGroup>
</FloatOver>
</If>