2025-11-21 00:38:43 +01:00

128 lines
5.1 KiB
Kotlin

/*
* Copyright 2025 Sergey S. Chernov real.sergeych@gmail.com
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
import androidx.compose.runtime.*
import kotlinx.browser.window
import org.jetbrains.compose.web.dom.*
import org.w3c.dom.HTMLElement
@Composable
fun App() {
var route by remember { mutableStateOf(currentRoute()) }
var html by remember { mutableStateOf<String?>(null) }
var error by remember { mutableStateOf<String?>(null) }
var toc by remember { mutableStateOf<List<TocItem>>(emptyList()) }
var activeTocId by remember { mutableStateOf<String?>(null) }
var contentEl by remember { mutableStateOf<HTMLElement?>(null) }
val isDocsRoute = route.startsWith("docs/")
val docKey = stripFragment(route)
LaunchedEffect(Unit) {
dlog("init", "initDocsDropdown()")
initDocsDropdown()
}
LaunchedEffect(Unit) {
dlog("init", "initTopSearch()")
initTopSearch()
}
LaunchedEffect(Unit) { ensureDocsLayoutStyles() }
LaunchedEffect(Unit) {
ensureScrollOffsetStyles()
updateNavbarOffsetVar()
}
DisposableEffect(Unit) {
val handler: (org.w3c.dom.events.Event) -> Unit = { updateNavbarOffsetVar() }
window.addEventListener("resize", handler)
onDispose { window.removeEventListener("resize", handler) }
}
DisposableEffect(Unit) {
val listener: (org.w3c.dom.events.Event) -> Unit = { route = currentRoute() }
window.addEventListener("hashchange", listener)
onDispose { window.removeEventListener("hashchange", listener) }
}
PageTemplate(title = when {
isDocsRoute -> null
route.startsWith("reference") -> "Reference"
route.isBlank() -> null
else -> null
}) {
Div({ classes("row", "gy-4") }) {
if (isDocsRoute) {
Div({ classes("col-12", "col-lg-3") }) {
Nav({
classes("position-sticky")
attr("style", "top: calc(var(--navbar-offset) + 1rem)")
}) {
H2({ classes("h6", "text-uppercase", "text-muted") }) { Text("On this page") }
Ul({ classes("list-unstyled") }) {
toc.forEach { item ->
Li({ classes("mb-1") }) {
val pad = when (item.level) { 1 -> "0"; 2 -> "0.75rem"; else -> "1.5rem" }
val routeNoFrag = route.substringBefore('#')
val tocHref = "#/$routeNoFrag#${item.id}"
A(attrs = {
attr("href", tocHref)
attr("style", "padding-left: $pad")
classes("link-body-emphasis", "text-decoration-none")
if (activeTocId == item.id) {
classes("fw-semibold", "text-primary")
attr("aria-current", "true")
}
onClick {
it.preventDefault()
window.location.hash = tocHref
contentEl?.ownerDocument?.getElementById(item.id)
?.let { (it as? HTMLElement)?.scrollIntoView() }
}
}) { Text(item.title) }
}
}
}
}
}
}
Div({ classes("col-12", if (isDocsRoute) "col-lg-9" else "col-lg-12") }) {
when {
route.isBlank() -> HomePage()
route == "tryling" -> TryLyngPage()
!isDocsRoute -> ReferencePage()
else -> DocsPage(
route = route,
html = html,
error = error,
contentEl = contentEl,
onContentEl = { contentEl = it },
setError = { error = it },
setHtml = { html = it },
toc = toc,
setToc = { toc = it },
activeTocId = activeTocId,
setActiveTocId = { activeTocId = it },
)
}
}
}
}
}