Theodor-Springmann-Stiftung/kgpz_web
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Export xsl into seperate file via embedding

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Simon Martens
2024-12-28 10:53:17 +01:00
parent 58df7cc1cb
commit 579ce63ee2
8 changed files with 152 additions and 73 deletions
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73
views/transform/main.js
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@@ -1,37 +1,62 @@
import "./site.css";
const ATTR_XSLT = "[xslt-onload]";
const ATTR_XSLT_ONLOAD = "[xslt-onload]";
const ATTR_XSLT_TEMPLATE = "xslt-template";
const ATTR_XSLT_STATE = "xslt-transformed";
const ATTR_XSLT_REMOTE_TEMPLATE = "xslt-remote-template";
function setup_xslt(evt) {
let els = document.querySelectorAll(ATTR_XSLT);
function setup_xslt() {
let els = htmx.findAll(ATTR_XSLT_ONLOAD);
for (let element of els) {
if (element.getAttribute(ATTR_XSLT_STATE) === "true") {
continue;
}
let templateId = element.getAttribute(ATTR_XSLT_TEMPLATE);
let template = htmx.find("#" + templateId);
if (template) {
let content = template.innerHTML
? new DOMParser().parseFromString(template.innerHTML, "application/xml")
: template.contentDocument;
let processor = new XSLTProcessor();
processor.importStylesheet(content);
let data = new DOMParser().parseFromString(element.innerHTML, "application/xml");
let frag = processor.transformToFragment(data, document);
let s = new XMLSerializer().serializeToString(frag);
element.innerHTML = s;
element.setAttribute(ATTR_XSLT_STATE, true);
} else {
throw new Error("Unknown XSLT template: " + templateId);
}
transform_xslt(element);
}
}
function transform_xslt(element) {
if (element.getAttribute(ATTR_XSLT_STATE) === "true") {
return;
}
let templateId = element.getAttribute(ATTR_XSLT_TEMPLATE);
let template = htmx.find("#" + templateId);
if (template) {
let content = template.innerHTML
? new DOMParser().parseFromString(template.innerHTML, "application/xml")
: template.contentDocument;
console.log(content);
let processor = new XSLTProcessor();
processor.importStylesheet(content);
let data = new DOMParser().parseFromString(element.innerHTML, "application/xml");
let frag = processor.transformToFragment(data, document);
let s = new XMLSerializer().serializeToString(frag);
element.innerHTML = s;
element.setAttribute(ATTR_XSLT_STATE, true);
} else if (element.hasAttribute(ATTR_XSLT_REMOTE_TEMPLATE)) {
let url = element.getAttribute(ATTR_XSLT_REMOTE_TEMPLATE);
let req = new Request(url, {
headers: { "Content-Type": "application/xslt+xml" },
cache: "default",
});
// WARNING: It is important to set the right cache cache policy server-side; else a request is
// made every time.
fetch(req)
.then((response) => response.text())
.then((text) => {
let content = new DOMParser().parseFromString(text, "application/xslt+xml");
let processor = new XSLTProcessor();
processor.importStylesheet(content);
let data = new DOMParser().parseFromString(element.innerHTML, "application/xml");
let frag = processor.transformToFragment(data, document);
let s = new XMLSerializer().serializeToString(frag);
element.innerHTML = s;
element.setAttribute(ATTR_XSLT_STATE, true);
});
} else {
throw new Error("Unknown XSLT template: " + templateId);
}
}
function setup() {
setup_xslt(null);
htmx.on("htmx:load", setup_xslt);
setup_xslt();
let templates = document.querySelectorAll("template[simple]");
templates.forEach((template) => {
let templateId = template.getAttribute("id");