95 lines
2.4 KiB
JavaScript
95 lines
2.4 KiB
JavaScript
let frames = {}
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function activate(event, element) {
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if (element.target) {
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return
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}
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event.preventDefault()
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let parent = element.parentElement
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for (let e of parent.getElementsByClassName("active")) {
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e.classList.remove("active")
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}
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element.classList.add("active")
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let href = element.href
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let app = document.querySelector("#app")
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let frame = frames[href]
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if (frame) {
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frame.dispatchEvent(new Event("load"))
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} else {
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frame = app.appendChild(document.createElement("iframe"))
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frame.addEventListener("load", e => frameLoaded(frame))
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frame.src = href
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frames[href] = frame
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}
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for (let fhref in frames) {
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let f = frames[fhref]
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if (fhref == href) {
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f.classList.remove("hidden")
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} else {
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f.classList.add("hidden")
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}
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}
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}
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function frameLoaded(frame) {
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let doc = frame.contentDocument
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if (doc.title.length > 0) {
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document.title = doc.title
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}
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let icon = document.querySelector("link[rel~='icon']")
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let dicon = doc.querySelector("link[rel~='icon']")
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if (dicon) {
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icon.href = dicon.href
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} else {
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icon.href = defaultIcon
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}
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}
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let defaultIcon = null
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function init() {
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let doc = document.querySelector("iframe").contentDocument
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defaultIcon = document.querySelector("link[rel~='icon']").href
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for (let l of document.head.querySelectorAll("style")) {
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doc.head.appendChild(l.cloneNode(true))
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}
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for (let l of document.head.querySelectorAll("link[rel='stylesheet']")) {
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doc.head.appendChild(l.cloneNode())
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}
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for (let f of document.querySelectorAll("#app iframe")) {
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frames[f.src] = f
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}
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let icons = doc.body.appendChild(doc.createElement("section"))
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icons.classList.add("icons")
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for (let link of document.querySelectorAll("nav a")) {
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let dlink = icons.appendChild(link.cloneNode(true))
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dlink.textContent = ""
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if (link.dataset.icon) {
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let icon = dlink.appendChild(doc.createElement("img"))
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icon.src = link.dataset.icon
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icon.style.objectFit = "cover"
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} else {
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let text = dlink.appendChild(doc.createElement("div"))
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text.textContent = link.textContent
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}
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// Make both of them update the selected tab
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link.addEventListener("click", event => activate(event, link))
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dlink.addEventListener("click", event => activate(event, link))
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}
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}
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if (document.readyState === "loading") {
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document.addEventListener("DOMContentLoaded", init)
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} else {
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init()
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}
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