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navigationPageText = fetch(pathToRoot + "navigation.html").then(response => response.text())
displayNavigationFromPage = () => {
navigationPageText.then(data => {
document.getElementById("sideMenu").innerHTML = data;
}).then(() => {
document.querySelectorAll(".overview > a").forEach(link => {
link.setAttribute("href", pathToRoot + link.getAttribute("href"));
})
}).then(() => {
document.querySelectorAll(".sideMenuPart").forEach(nav => {
if (!nav.classList.contains("hidden"))
nav.classList.add("hidden")
})
}).then(() => {
revealNavigationForCurrentPage()
}).then(() => {
scrollNavigationToSelectedElement()
})
document.querySelectorAll('.footer a[href^="#"]').forEach(anchor => {
anchor.addEventListener('click', function (e) {
e.preventDefault();
document.querySelector(this.getAttribute('href')).scrollIntoView({
behavior: 'smooth'
});
});
});
}
revealNavigationForCurrentPage = () => {
let pageId = document.getElementById("content").attributes["pageIds"].value.toString();
let parts = document.querySelectorAll(".sideMenuPart");
let found = 0;
do {
parts.forEach(part => {
if (part.attributes['pageId'].value.indexOf(pageId) !== -1 && found === 0) {
found = 1;
if (part.classList.contains("hidden")) {
part.classList.remove("hidden");
part.setAttribute('data-active', "");
}
revealParents(part)
}
});
pageId = pageId.substring(0, pageId.lastIndexOf("/"))
} while (pageId.indexOf("/") !== -1 && found === 0)
};
revealParents = (part) => {
if (part.classList.contains("sideMenuPart")) {
if (part.classList.contains("hidden"))
part.classList.remove("hidden");
revealParents(part.parentNode)
}
};
scrollNavigationToSelectedElement = () => {
let selectedElement = document.querySelector('div.sideMenuPart[data-active]')
if (selectedElement == null) { // nothing selected, probably just the main page opened
return
}
let hasIcon = selectedElement.querySelectorAll(":scope > div.overview span.nav-icon").length > 0
// for instance enums also have children and are expandable, but are not package/module elements
let isPackageElement = selectedElement.children.length > 1 && !hasIcon
if (isPackageElement) {
// if package is selected or linked, it makes sense to align it to top
// so that you can see all the members it contains
selectedElement.scrollIntoView(true)
} else {
// if a member within a package is linked, it makes sense to center it since it,
// this should make it easier to look at surrounding members
selectedElement.scrollIntoView({
behavior: 'auto',
block: 'center',
inline: 'center'
})
}
}
/*
This is a work-around for safari being IE of our times.
It doesn't fire a DOMContentLoaded, presumabely because eventListener is added after it wants to do it
*/
if (document.readyState == 'loading') {
window.addEventListener('DOMContentLoaded', () => {
displayNavigationFromPage()
})
} else {
displayNavigationFromPage()
}
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