Fix: Expose all templates

UI/DownloadFlow/DownloadPdf.svelte

@@ -0,0 +1,57 @@
+<script lang="ts">
+
+    import DownloadButton from "./DownloadButton.svelte";
+    import ThemeViewState from "../../Models/ThemeViewState";
+    import {SvgToPdf} from "../../Utils/svgToPdf";
+    import Translations from "../i18n/Translations";
+    import {Translation} from "../i18n/Translation";
+    import {Utils} from "../../Utils";
+    import {AvailableRasterLayers} from "../../Models/RasterLayers";
+    import Constants from "../../Models/Constants";
+    import Locale from "../i18n/Locale";
+    import {UIEventSource} from "../../Logic/UIEventSource";
+    import DownloadHelper from "./DownloadHelper";
+
+    export let templateName: string
+export let state: ThemeViewState
+const template = SvgToPdf.templates[templateName]
+console.log("template", template )
+let mainText: Translation = typeof template.description === "string" ? new Translation(template.description) : template.description
+let t = Translations.t.general.download
+    const downloadHelper = new DownloadHelper(state)
+async function constructPdf(_, title: string, status: UIEventSource<string>) {
+    const templateUrls = SvgToPdf.templates["current_view_a3"].pages
+    const templates: string[] = await Promise.all(templateUrls.map(url => Utils.download(url)))
+    console.log("Templates are", templates)
+    const bg = state.mapProperties.rasterLayer.data ?? AvailableRasterLayers.maplibre
+    const creator = new SvgToPdf(title, templates, {
+        state,
+        freeComponentId: "belowmap",
+        generateImage(key: string): HTMLImageElement {
+            downloadHelper.generateImage(key)
+        },
+        textSubstitutions: <Record<string, string>> {
+            "layout.title": state.layout.title,
+            title: state.layout.title,
+            layoutImg: state.layout.icon,
+            version: Constants.vNumber,
+            date: new Date().toISOString().substring(0,16),
+            background: new Translation(bg.properties.name).txt
+        }
+    })
+
+    const unsub = creator.status.addCallbackAndRunD(s => status?.setData(s))
+    await creator.ExportPdf(Locale.language.data)
+    unsub()
+    return undefined
+}
+</script>
+
+
+<DownloadButton {state}
+                mimetype="application/pdf"
+                extension="pdf"
+                {mainText}
+                helperText={t.downloadAsPdfHelper}
+                construct={constructPdf}
+/>