feat: install and integrate official rust-ui context menu via ui-cli
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366
frontend/src/components/ui/context_menu.rs
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366
frontend/src/components/ui/context_menu.rs
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use icons::ChevronRight;
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use leptos::context::Provider;
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use leptos::prelude::*;
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use leptos_ui::clx;
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use tw_merge::*;
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use wasm_bindgen::JsCast;
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use crate::components::hooks::use_random::use_random_id_for;
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/// Programmatically close any open context menu.
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pub fn close_context_menu() {
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let Some(document) = window().document() else {
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return;
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};
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let Some(menu) = document.query_selector("[data-target='target__context'][data-state='open']").ok().flatten()
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else {
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return;
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};
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let _ = menu.set_attribute("data-state", "closed");
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if let Some(el) = menu.dyn_ref::<web_sys::HtmlElement>() {
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let _ = el.style().set_property("pointer-events", "none");
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}
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}
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mod components {
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use super::*;
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clx! {ContextMenuLabel, span, "px-2 py-1.5 text-sm font-medium data-inset:pl-8", "mb-1"}
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clx! {ContextMenuGroup, ul, "group"}
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clx! {ContextMenuItem, li, "inline-flex gap-2 items-center w-full rounded-sm px-2 py-1.5 text-sm no-underline transition-colors duration-200 text-popover-foreground hover:bg-accent hover:text-accent-foreground [&_svg:not([class*='size-'])]:size-4"}
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clx! {ContextMenuSubContent, ul, "context__menu_sub_content", "rounded-md border bg-card shadow-lg p-1 absolute z-[100] min-w-[160px] opacity-0 invisible translate-x-[-8px] transition-all duration-200 ease-out pointer-events-none"}
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clx! {ContextMenuLink, a, "w-full inline-flex gap-2 items-center"}
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}
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pub use components::*;
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#[component]
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pub fn ContextMenuAction(
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children: Children,
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#[prop(optional, into)] class: String,
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#[prop(optional, into)] aria_selected: Option<Signal<bool>>,
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#[prop(optional, into)] href: Option<String>,
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) -> impl IntoView {
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let _ctx = expect_context::<ContextMenuContext>();
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let class = tw_merge!(
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"inline-flex gap-2 items-center w-full text-sm text-left transition-colors duration-200 focus:outline-none focus-visible:outline-none text-popover-foreground [&_svg:not([class*='size-'])]:size-4",
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class
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);
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let aria_selected_attr = move || aria_selected.map(|s| s.get()).unwrap_or(false).to_string();
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if let Some(href) = href {
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view! {
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<a
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data-name="ContextMenuAction"
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class=class
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href=href
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aria-selected=aria_selected_attr
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data-context-close="true"
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>
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{children()}
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</a>
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}
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.into_any()
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} else {
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view! {
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<button
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type="button"
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data-name="ContextMenuAction"
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class=class
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data-context-close="true"
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aria-selected=aria_selected_attr
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>
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{children()}
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</button>
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}
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.into_any()
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}
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}
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#[derive(Clone)]
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struct ContextMenuContext {
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target_id: String,
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}
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#[component]
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pub fn ContextMenu(children: Children) -> impl IntoView {
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let context_target_id = use_random_id_for("context");
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let ctx = ContextMenuContext { target_id: context_target_id.clone() };
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view! {
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<Provider value=ctx>
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<style>
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"
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/* Submenu Styles */
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.context__menu_sub_content {
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position: absolute;
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inset-inline-start: calc(100% + 8px);
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inset-block-start: -4px;
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z-index: 100;
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min-inline-size: 160px;
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opacity: 0;
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visibility: hidden;
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transform: translateX(-8px);
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transition: all 0.2s ease-out;
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pointer-events: none;
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}
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.context__menu_sub_trigger:hover .context__menu_sub_content {
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opacity: 1;
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visibility: visible;
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transform: translateX(0);
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pointer-events: auto;
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}
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"
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</style>
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<div data-name="ContextMenu" class="contents">
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{children()}
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</div>
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</Provider>
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}
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}
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/// Wrapper that triggers the context menu on right-click.
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/// The `on_open` callback is triggered when the context menu opens (right-click).
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#[component]
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pub fn ContextMenuTrigger(
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children: Children,
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#[prop(optional, into)] class: String,
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#[prop(optional)] on_open: Option<Callback<()>>,
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) -> impl IntoView {
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let ctx = expect_context::<ContextMenuContext>();
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let trigger_class = tw_merge!("contents", class);
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view! {
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<div
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class=trigger_class
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data-name="ContextMenuTrigger"
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data-context-trigger=ctx.target_id
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on:contextmenu=move |_| {
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if let Some(cb) = on_open {
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cb.run(());
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}
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}
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>
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{children()}
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</div>
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}
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}
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/// Content of the context menu that appears on right-click.
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/// The `on_close` callback is triggered when the menu closes (click outside, ESC key, or action click).
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#[component]
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pub fn ContextMenuContent(
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children: Children,
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#[prop(optional, into)] class: String,
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#[prop(optional)] on_close: Option<Callback<()>>,
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) -> impl IntoView {
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let ctx = expect_context::<ContextMenuContext>();
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let base_classes = "z-50 p-1 rounded-md border bg-card shadow-md w-[200px] fixed transition-all duration-200 data-[state=closed]:opacity-0 data-[state=closed]:scale-95 data-[state=open]:opacity-100 data-[state=open]:scale-100";
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let class = tw_merge!(base_classes, class);
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let target_id_for_script = ctx.target_id.clone();
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view! {
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<script src="/hooks/lock_scroll.js"></script>
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<div
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data-name="ContextMenuContent"
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class=class
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// Listen for custom 'contextmenuclose' event dispatched by JS when menu closes
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on:contextmenuclose=move |_: web_sys::CustomEvent| {
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if let Some(cb) = on_close {
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cb.run(());
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}
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}
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id=ctx.target_id
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data-target="target__context"
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data-state="closed"
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style="pointer-events: none;"
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>
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{children()}
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</div>
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<script>
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{format!(
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r#"
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(function() {{
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const setupContextMenu = () => {{
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const menu = document.querySelector('#{}');
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const trigger = document.querySelector('[data-context-trigger="{}"]');
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if (!menu || !trigger) {{
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setTimeout(setupContextMenu, 50);
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return;
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}}
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if (menu.hasAttribute('data-initialized')) {{
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return;
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}}
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menu.setAttribute('data-initialized', 'true');
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let isOpen = false;
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const updatePosition = (x, y) => {{
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const menuRect = menu.getBoundingClientRect();
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const viewportHeight = window.innerHeight;
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const viewportWidth = window.innerWidth;
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// Calculate position, ensuring menu stays within viewport
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let left = x;
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let top = y;
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// Adjust if menu would go off right edge
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if (x + menuRect.width > viewportWidth) {{
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left = x - menuRect.width;
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}}
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// Adjust if menu would go off bottom edge
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if (y + menuRect.height > viewportHeight) {{
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top = y - menuRect.height;
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}}
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menu.style.left = `${{left}}px`;
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menu.style.top = `${{top}}px`;
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menu.style.transformOrigin = 'top left';
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}};
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const openMenu = (x, y) => {{
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isOpen = true;
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// Close any other open context menus
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const allMenus = document.querySelectorAll('[data-target="target__context"]');
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allMenus.forEach(m => {{
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if (m !== menu && m.getAttribute('data-state') === 'open') {{
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m.setAttribute('data-state', 'closed');
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m.style.pointerEvents = 'none';
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}}
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}});
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menu.setAttribute('data-state', 'open');
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menu.style.visibility = 'hidden';
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menu.style.pointerEvents = 'auto';
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// Force reflow
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menu.offsetHeight;
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updatePosition(x, y);
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menu.style.visibility = 'visible';
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// Lock scroll
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if (window.ScrollLock) {{
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window.ScrollLock.lock();
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}}
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setTimeout(() => {{
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document.addEventListener('click', handleClickOutside);
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document.addEventListener('contextmenu', handleContextOutside);
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}}, 0);
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}};
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const closeMenu = () => {{
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isOpen = false;
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menu.setAttribute('data-state', 'closed');
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menu.style.pointerEvents = 'none';
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document.removeEventListener('click', handleClickOutside);
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document.removeEventListener('contextmenu', handleContextOutside);
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// Dispatch custom event for Leptos to listen to
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menu.dispatchEvent(new CustomEvent('contextmenuclose', {{ bubbles: false }}));
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if (window.ScrollLock) {{
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window.ScrollLock.unlock(200);
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}}
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}};
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const handleClickOutside = (e) => {{
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if (!menu.contains(e.target)) {{
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closeMenu();
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}}
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}};
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const handleContextOutside = (e) => {{
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if (!trigger.contains(e.target)) {{
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closeMenu();
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}}
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}};
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// Right-click on trigger
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trigger.addEventListener('contextmenu', (e) => {{
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e.preventDefault();
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e.stopPropagation();
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if (isOpen) {{
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closeMenu();
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}}
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openMenu(e.clientX, e.clientY);
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}});
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// Close when action is clicked
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const actions = menu.querySelectorAll('[data-context-close]');
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actions.forEach(action => {{
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action.addEventListener('click', () => {{
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closeMenu();
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}});
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}});
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// Handle ESC key
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document.addEventListener('keydown', (e) => {{
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if (e.key === 'Escape' && isOpen) {{
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e.preventDefault();
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closeMenu();
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}}
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}});
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}};
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if (document.readyState === 'loading') {{
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document.addEventListener('DOMContentLoaded', setupContextMenu);
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}} else {{
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setupContextMenu();
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}}
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}})();
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"#,
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target_id_for_script,
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target_id_for_script,
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)}
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</script>
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}
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}
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#[component]
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pub fn ContextMenuSub(children: Children) -> impl IntoView {
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clx! {ContextMenuSubRoot, li, "context__menu_sub_trigger", " relative inline-flex relative gap-2 items-center py-1.5 px-2 w-full text-sm no-underline rounded-sm transition-colors duration-200 cursor-pointer text-popover-foreground [&_svg:not([class*='size-'])]:size-4 hover:bg-accent hover:text-accent-foreground"}
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view! { <ContextMenuSubRoot>{children()}</ContextMenuSubRoot> }
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}
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#[component]
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pub fn ContextMenuSubTrigger(children: Children, #[prop(optional, into)] class: String) -> impl IntoView {
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let class = tw_merge!("flex items-center justify-between w-full", class);
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view! {
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<span data-name="ContextMenuSubTrigger" class=class>
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<span class="flex gap-2 items-center">{children()}</span>
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<ChevronRight class="opacity-70 size-4" />
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</span>
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}
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}
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#[component]
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pub fn ContextMenuSubItem(children: Children, #[prop(optional, into)] class: String) -> impl IntoView {
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let class = tw_merge!(
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"inline-flex gap-2 items-center w-full rounded-sm px-3 py-2 text-sm transition-all duration-150 ease text-popover-foreground hover:bg-accent hover:text-accent-foreground cursor-pointer hover:translate-x-[2px]",
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class
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);
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view! {
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<li data-name="ContextMenuSubItem" class=class data-context-close="true">
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{children()}
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</li>
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}
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}
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