forked from MapComplete/MapComplete
273 lines
11 KiB
TypeScript
273 lines
11 KiB
TypeScript
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import Combine from "../Base/Combine";
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import {FlowPanelFactory, FlowStep} from "../ImportFlow/FlowStep";
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import {ImmutableStore, Store, UIEventSource} from "../../Logic/UIEventSource";
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import {InputElement} from "../Input/InputElement";
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import {SvgToPdf, SvgToPdfOptions} from "../../Utils/svgToPdf";
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import {FixedInputElement} from "../Input/FixedInputElement";
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import {FixedUiElement} from "../Base/FixedUiElement";
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import FileSelectorButton from "../Input/FileSelectorButton";
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import InputElementMap from "../Input/InputElementMap";
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import {RadioButton} from "../Input/RadioButton";
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import {Utils} from "../../Utils";
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import {VariableUiElement} from "../Base/VariableUIElement";
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import Loading from "../Base/Loading";
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import BaseUIElement from "../BaseUIElement";
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import Img from "../Base/Img";
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import Title from "../Base/Title";
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import CheckBoxes, {CheckBox} from "../Input/Checkboxes";
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import Minimap from "../Base/Minimap";
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import SearchAndGo from "./SearchAndGo";
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import Toggle from "../Input/Toggle";
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import List from "../Base/List";
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import LeftIndex from "../Base/LeftIndex";
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import Constants from "../../Models/Constants";
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class SelectTemplate extends Combine implements FlowStep<{ title: string, pages: string[] }> {
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readonly IsValid: Store<boolean>;
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readonly Value: Store<{ title: string, pages: string[] }>;
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constructor() {
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const elements: InputElement<{ templateName: string, pages: string[] }>[] = []
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for (const templateName in SvgToPdf.templates) {
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const template = SvgToPdf.templates[templateName]
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elements.push(new FixedInputElement(
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new Combine([new FixedUiElement(templateName).SetClass("font-bold pr-2"),
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template.description
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])
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, new UIEventSource({templateName, pages: template.pages})))
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}
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const file = new FileSelectorButton(new FixedUiElement("Select an svg image which acts as template"), {
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acceptType: "image/svg+xml",
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allowMultiple: true
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})
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const fileMapped = new InputElementMap<FileList, { templateName: string, pages: string[], fromFile: true }>(file, (x0, x1) => x0 === x1,
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(filelist) => {
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if (filelist === undefined) {
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return undefined;
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}
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const pages = []
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let templateName: string = undefined;
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for (const file of Array.from(filelist)) {
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if (templateName == undefined) {
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templateName = file.name.substring(file.name.lastIndexOf("/") + 1)
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templateName = templateName.substring(0, templateName.lastIndexOf("."))
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}
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pages.push(file.text())
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}
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return {
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templateName,
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pages,
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fromFile: true
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}
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},
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fromX => undefined
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)
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elements.push(fileMapped)
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const radio = new RadioButton(elements, {selectFirstAsDefault: true})
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const loaded: Store<{ success: { title: string, pages: string[] } } | { error: any }> = radio.GetValue().bind(template => {
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if (template === undefined) {
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return undefined
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}
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if (template["fromFile"]) {
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return UIEventSource.FromPromiseWithErr(Promise.all(template.pages).then(pages => ({
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title: template.templateName,
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pages
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})))
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}
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const urls = template.pages.map(p => SelectTemplate.ToUrl(p))
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const dloadAll: Promise<{ title: string, pages: string[] }> = Promise.all(urls.map(url => Utils.download(url))).then(pages => ({
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pages,
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title: template.templateName
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}))
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return UIEventSource.FromPromiseWithErr(dloadAll)
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})
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const preview = new VariableUiElement(
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loaded.map(pages => {
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if (pages === undefined) {
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return new Loading()
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}
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if (pages["err"] !== undefined) {
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return new FixedUiElement("Loading preview failed: " + pages["err"]).SetClass("alert")
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}
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const svgs = pages["success"].pages
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if (svgs.length === 0) {
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return new FixedUiElement("No pages loaded...").SetClass("alert")
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}
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const els: BaseUIElement[] = []
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for (const pageSrc of svgs) {
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const el = new Img(pageSrc, true)
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.SetClass("w-96 m-2 border-black border-2")
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els.push(el)
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}
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return new Combine(els).SetClass("flex border border-subtle rounded-xl");
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})
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)
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super([
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new Title("Select template"),
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radio,
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new Title("Preview"),
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preview
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]);
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this.Value = loaded.map(l => l === undefined ? undefined : l["success"])
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this.IsValid = this.Value.map(v => v !== undefined)
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}
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public static ToUrl(spec: string) {
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if (spec.startsWith("http")) {
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return spec
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}
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return window.location.protocol + "//" + window.location.host + "/" + spec
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}
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}
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class SelectPdfOptions extends Combine implements FlowStep<{ title: string, pages: string[], options: SvgToPdfOptions }> {
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readonly IsValid: Store<boolean>;
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readonly Value: Store<{ title: string, pages: string[], options: SvgToPdfOptions }>;
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constructor(title: string, pages: string[], getFreeDiv: () => string) {
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const dummy = new CheckBox("Don't add data to the map (to quickly preview the PDF)", false)
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const overrideMapLocation = new CheckBox("Override map location: use a selected location instead of the location set in the template", false)
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const locationInput = Minimap.createMiniMap().SetClass("block w-full")
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const searchField = new SearchAndGo({leafletMap: locationInput.leafletMap})
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const selectLocation =
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new Combine([
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new Toggle(new Combine([new Title("Select override location"), searchField]).SetClass("flex"), undefined, overrideMapLocation.GetValue()),
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new Toggle(locationInput.SetStyle("height: 20rem"), undefined, overrideMapLocation.GetValue()).SetStyle("height: 20rem")
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]).SetClass("block").SetStyle("height: 25rem")
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super([new Title("Select options"),
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dummy,
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overrideMapLocation,
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selectLocation
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]);
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this.Value = dummy.GetValue().map((disableMaps) => {
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return {
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pages,
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title,
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options: <SvgToPdfOptions>{
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disableMaps,
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getFreeDiv,
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overrideLocation: overrideMapLocation.GetValue().data ? locationInput.location.data : undefined
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}
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}
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}, [overrideMapLocation.GetValue(), locationInput.location])
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this.IsValid = new ImmutableStore(true)
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}
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}
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class PreparePdf extends Combine implements FlowStep<{ svgToPdf: SvgToPdf, languages: string[] }> {
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readonly IsValid: Store<boolean>;
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readonly Value: Store<{ svgToPdf: SvgToPdf, languages: string[] }>;
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constructor(title: string, pages: string[], options: SvgToPdfOptions) {
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const svgToPdf = new SvgToPdf(title, pages, options)
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const languageOptions = [
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new FixedInputElement("Nederlands", "nl"),
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new FixedInputElement("English", "en")
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]
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const languages = new CheckBoxes(languageOptions)
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const isPrepared = UIEventSource.FromPromiseWithErr(svgToPdf.Prepare())
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super([
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new Title("Select languages..."),
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languages,
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new Toggle(
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new Loading("Preparing maps..."),
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undefined,
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isPrepared.map(p => p === undefined)
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)
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]);
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this.Value = isPrepared.map(isPrepped => {
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if (isPrepped === undefined) {
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return undefined
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}
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if (isPrepped["success"] !== undefined) {
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const svgToPdf = isPrepped["success"]
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const langs = languages.GetValue().data.map(i => languageOptions[i].GetValue().data)
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if (langs.length === 0) {
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return undefined
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}
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return {svgToPdf, languages: langs}
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}
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return undefined;
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}, [languages.GetValue()])
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this.IsValid = this.Value.map(v => v !== undefined)
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}
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}
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class SavePdf extends Combine {
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constructor(svgToPdf: SvgToPdf, languages: string[]) {
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super([
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new Title("Generating your pdfs..."),
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new List(languages.map(lng => new Toggle(
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lng + " is done!",
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new Loading("Creating pdf for " + lng),
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UIEventSource.FromPromiseWithErr(svgToPdf.ConvertSvg(lng).then(() => true))
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.map(x => x !== undefined && x["success"] === true)
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)))
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]);
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}
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}
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export class PdfExportGui extends LeftIndex {
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constructor(freeDivId: string) {
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let i = 0
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const createDiv = (): string => {
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const div = document.createElement("div")
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div.id = "freediv-" + (i++)
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document.getElementById(freeDivId).append(div)
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return div.id
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}
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Constants.defaultOverpassUrls.splice(0, 1)
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const {flow, furthestStep, titles} = FlowPanelFactory.start(
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new Title("Select template"), new SelectTemplate()
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).then(new Title("Select options"), ({title, pages}) => new SelectPdfOptions(title, pages, createDiv))
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.then("Generate maps...", ({title, pages, options}) => new PreparePdf(title, pages, options))
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.finish("Generating...", ({svgToPdf, languages}) => new SavePdf(svgToPdf, languages))
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const toc = new List(
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titles.map(
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(title, i) =>
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new VariableUiElement(
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furthestStep.map((currentStep) => {
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if (i > currentStep) {
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return new Combine([title]).SetClass("subtle")
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}
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if (i == currentStep) {
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return new Combine([title]).SetClass("font-bold")
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}
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if (i < currentStep) {
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return title
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}
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})
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)
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),
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true
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)
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const leftContents: BaseUIElement[] = [
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toc
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].map((el) => el?.SetClass("pl-4"))
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super(leftContents, flow)
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}
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}
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