87 lines
3.2 KiB
TypeScript
87 lines
3.2 KiB
TypeScript
import DetermineLayout from "./Logic/DetermineLayout"
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import ThemeViewState from "./Models/ThemeViewState"
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import SvelteUIElement from "./UI/Base/SvelteUIElement"
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import ThemeViewGUI from "./UI/ThemeViewGUI.svelte"
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import { FixedUiElement } from "./UI/Base/FixedUiElement"
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import Combine from "./UI/Base/Combine"
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import { SubtleButton } from "./UI/Base/SubtleButton"
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import { Utils } from "./Utils"
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import Constants from "./Models/Constants"
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import ArrowDownTray from "@babeard/svelte-heroicons/mini/ArrowDownTray"
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function webgl_support() {
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try {
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const canvas = document.createElement("canvas")
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return (
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!!window.WebGLRenderingContext &&
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(canvas.getContext("webgl") || canvas.getContext("experimental-webgl"))
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)
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} catch (e) {
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return false
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}
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}
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async function timeout(timeMS: number): Promise<{ layers: string[] }> {
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await Utils.waitFor(timeMS)
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return { layers: [] }
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}
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async function getAvailableLayers(): Promise<Set<string>> {
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try {
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const host = new URL(Constants.SummaryServer).host
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const status: { layers: string[] } = await Promise.any([
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Utils.downloadJson<{ layers }>("https://" + host + "/summary/status.json"),
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timeout(2500),
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])
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return new Set<string>(status.layers)
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} catch (e) {
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console.error("Could not get MVT available layers due to", e)
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return new Set<string>()
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}
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}
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async function main() {
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// @ts-ignore
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try {
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if (!webgl_support()) {
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throw "WebGL is not supported or not enabled. This is essential for MapComplete to function, please enable this."
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}
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const [layout, availableLayers] = await Promise.all([
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DetermineLayout.GetLayout(),
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await getAvailableLayers(),
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])
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console.log("The available layers on server are", Array.from(availableLayers))
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const state = new ThemeViewState(layout, availableLayers)
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const target = document.getElementById("maindiv")
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const childs = Array.from(target.children)
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new ThemeViewGUI({
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target,
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props: { state },
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})
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childs.forEach((ch) => target.removeChild(ch))
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Array.from(document.getElementsByClassName("delete-on-load")).forEach((el) => {
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el.parentElement.removeChild(el)
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})
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} catch (err) {
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console.error("Error while initializing: ", err, err.stack)
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const customDefinition = DetermineLayout.getCustomDefinition()
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new Combine([
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new FixedUiElement(err.toString().split("\n").join("<br/>")).SetClass("block alert"),
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customDefinition?.length > 0
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? new SubtleButton(
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new SvelteUIElement(ArrowDownTray),
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"Download the raw file"
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).onClick(() =>
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Utils.offerContentsAsDownloadableFile(
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DetermineLayout.getCustomDefinition(),
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"mapcomplete-theme.json",
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{ mimetype: "application/json" }
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)
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)
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: undefined,
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]).AttachTo("maindiv")
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}
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}
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main().then((_) => {})
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