Files
chatroom/resources/js/front.js
T
2026-04-25 13:43:55 +08:00

134 lines
3.5 KiB
JavaScript

// 前台普通页面交互入口,集中管理确认弹窗、聊天室弹窗和说明页导航高亮。
let frontControlsBound = false;
/**
* 读取元素上声明的确认文案,并在用户取消时拦截默认行为。
*
* @param {Event} event
* @param {Element} element
* @param {string} attribute
* @returns {boolean}
*/
function confirmBeforeAction(event, element, attribute) {
const message = element.getAttribute(attribute);
if (!message || window.confirm(message)) {
return true;
}
event.preventDefault();
return false;
}
/**
* 打开独立聊天室窗口,并尽量铺满当前可用屏幕。
*
* @param {string} url
* @param {string} roomName
* @returns {void}
*/
function openChatRoomWindow(url, roomName) {
const chatWindow = window.open(
url,
`chatroom_${roomName}`,
"toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes",
);
if (!chatWindow) {
return;
}
chatWindow.moveTo(0, 0);
chatWindow.resizeTo(window.screen.availWidth, window.screen.availHeight);
chatWindow.focus();
}
/**
* 绑定说明页右侧导航的可视区高亮。
*
* @returns {void}
*/
function bindGuideNavigation() {
const aside = document.getElementById("guide-aside");
const nav = document.getElementById("guide-nav");
if (!aside || !nav) {
return;
}
const checkWidth = () => {
aside.style.display = window.innerWidth >= 1024 ? "block" : "none";
};
checkWidth();
window.addEventListener("resize", checkWidth);
const links = Array.from(nav.querySelectorAll("a"));
const sections = links
.map((link) => {
const id = link.getAttribute("href")?.slice(1);
const element = id ? document.getElementById(id) : null;
return element ? { element, link } : null;
})
.filter(Boolean);
const onScroll = () => {
let current = sections[0];
sections.forEach((section) => {
if (section.element.getBoundingClientRect().top <= 120) {
current = section;
}
});
links.forEach((link) => link.classList.remove("active"));
current?.link.classList.add("active");
};
window.addEventListener("scroll", onScroll, { passive: true });
onScroll();
}
/**
* 绑定前台普通页面的轻量事件代理。
*
* @returns {void}
*/
function bindFrontControls() {
if (frontControlsBound || typeof document === "undefined") {
return;
}
frontControlsBound = true;
document.addEventListener("click", (event) => {
if (!(event.target instanceof Element)) {
return;
}
const submitButton = event.target.closest("[data-front-submit-confirm]");
if (submitButton && !confirmBeforeAction(event, submitButton, "data-front-submit-confirm")) {
return;
}
const roomLink = event.target.closest("[data-chat-room-window-url]");
if (roomLink) {
event.preventDefault();
openChatRoomWindow(
roomLink.getAttribute("data-chat-room-window-url") ?? "",
roomLink.getAttribute("data-chat-room-window-name") ?? "room",
);
}
});
document.addEventListener("submit", (event) => {
if (!(event.target instanceof HTMLFormElement)) {
return;
}
confirmBeforeAction(event, event.target, "data-front-confirm");
});
bindGuideNavigation();
}
bindFrontControls();