Files
WRNexusJS/packages/ui/components/ContextMenu.wrn
T

541 lines
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component ContextMenu {
outputs {
open(payload: { x: number; y: number; trigger: string; sourceEvent: Event })
close(payload: { reason: string; sourceEvent: Event })
select(payload: { item: string | number | boolean | null | object; itemIndex: number; value: string | number | boolean; sourceEvent: Event })
action(payload: { item: string | number | boolean | null | object; itemIndex: number; value: string | number | boolean; sourceEvent: Event })
}
props {
items: unknown[] = []
open: boolean = false
defaultOpen: boolean = false
trigger: string = "contextmenu"
placement: string = "pointer"
align: string = "start"
size: string = "default"
color: string = "primary"
variant: string = "raised"
title: string = ""
description: string = ""
label: string = "Context menu"
closeOnSelect: boolean = true
closeOnOutside: boolean = true
disabled: boolean = false
minWidth: string = "14rem"
maxWidth: string = "20rem"
class: string = ""
}
state visible = defaultOpen
state positionX: number = 16
state positionY: number = 16
functions {
shared function isOpen() {
return open || visible
}
client function handleContext(sourceEvent) {
if (trigger === "contextmenu" || trigger === "both") { sourceEvent.preventDefault(); showMenu(sourceEvent) }
}
client function handleClick(sourceEvent) {
if (trigger === "click" || trigger === "both") { toggleMenu(sourceEvent) }
}
client function showMenu(sourceEvent) {
if (disabled) {
return
}
if (sourceEvent && sourceEvent.type === "contextmenu") {
sourceEvent.preventDefault()
}
if (placement === "pointer" && sourceEvent) {
// Place the menu at the pointer and let the anchored clamp in the
// runtime pull it back on screen once it has been laid out and can
// actually be measured. Subtracting a guessed 340x420 here instead
// pushed every menu that was not that size away from the pointer.
positionX = Math.max(12, sourceEvent.clientX || 12)
positionY = Math.max(12, sourceEvent.clientY || 12)
}
visible = true
// A pointer-placed menu is fixed to the viewport, so scrolling would
// slide the page out from under it. Close it the way native context
// menus do. Capture catches scrolling inside nested containers too.
window.addEventListener("scroll", closeOnScroll, { capture: true, once: true, passive: true })
output.open({
x: positionX,
y: positionY,
trigger: trigger,
sourceEvent: sourceEvent
})
}
client function closeOnScroll(sourceEvent) {
if (visible && placement === "pointer") {
hideMenu("scroll", sourceEvent)
}
}
client function hideMenu(reason, sourceEvent) {
visible = false
output.close({
reason: reason,
sourceEvent: sourceEvent
})
}
client function toggleMenu(sourceEvent) {
if (isOpen()) {
hideMenu("toggle", sourceEvent)
} else {
showMenu(sourceEvent)
}
}
client function chooseItem(item, itemIndex, sourceEvent) {
if (disabled || item.disabled || item.type === "header" || item.type === "divider") {
sourceEvent.preventDefault()
return
}
output.select({
item: item,
itemIndex: itemIndex,
value: item.value || "",
sourceEvent: sourceEvent
})
if (item.action) {
output.action({
item: item,
itemIndex: itemIndex,
value: item.value || "",
sourceEvent: sourceEvent
})
}
if (closeOnSelect) {
hideMenu("select", sourceEvent)
}
}
client function moveFocus(sourceEvent, direction) {
const root = sourceEvent.currentTarget.closest(".wrn-context-menu") || sourceEvent.currentTarget
const options = [...root.querySelectorAll("[data-context-menu-item]:not([disabled])")]
if (!options.length) {
return
}
const activeIndex = options.indexOf(document.activeElement)
const nextIndex = (activeIndex + direction + options.length) % options.length
options[nextIndex].focus()
}
client function handleKeydown(sourceEvent) {
if (sourceEvent.key === "Escape") {
sourceEvent.preventDefault()
hideMenu("escape", sourceEvent)
} else if (sourceEvent.key === "ArrowDown") {
sourceEvent.preventDefault()
moveFocus(sourceEvent, 1)
} else if (sourceEvent.key === "ArrowUp") {
sourceEvent.preventDefault()
moveFocus(sourceEvent, -1)
}
}
}
view {
<div data-wrn-owner="ContextMenu" data-wrn-part="root" data-wrn-component="ContextMenu" data-wrn-axis-size="{size}" data-wrn-axis-color="{color}" data-wrn-axis-variant="{variant}" data-wrn-open="{open || visible}"
{...attrs}
data-ui-component="ContextMenu"
data-open='{open || visible ? "true" : "false"}'
data-trigger='{trigger}'
data-placement='{placement}'
data-align='{align}'
data-size='{size}'
data-color='{color}'
data-variant='{variant}'
class='wrn-context-menu {class}'
style='--wrn-context-x:{positionX}px;--wrn-context-y:{positionY}px;--wrn-context-min-width:{minWidth};--wrn-context-max-width:{maxWidth};'
@keydown='handleKeydown(event)'
>
<div data-wrn-owner="ContextMenu" data-wrn-part="trigger" data-wrn-axis-size="{size}" data-wrn-axis-color="{color}" data-wrn-axis-variant="{variant}" data-wrn-open="{open || visible}"
class="wrn-context-menu__trigger"
tabindex='{disabled ? "-1" : "0"}'
aria-haspopup="menu"
aria-expanded='{open || visible ? "true" : "false"}'
@contextmenu='handleContext(event)'
@click='handleClick(event)'
@keydown='if (event.key === "Enter" || event.key === " ") { event.preventDefault(); toggleMenu(event) }'
>
<slot name="trigger"></slot>
</div>
{#if closeOnOutside}
<button data-wrn-owner="ContextMenu" data-wrn-part="dismissLayer" data-wrn-axis-size="{size}" data-wrn-axis-color="{color}" data-wrn-axis-variant="{variant}" data-wrn-open="{open || visible}"
type="button"
class="wrn-context-menu__dismiss-layer"
data-show='{open || visible}'
aria-label="Close context menu"
@click='hideMenu("outside", event)'
></button>
{/if}
<div data-wrn-owner="ContextMenu" data-wrn-part="panel" data-wrn-axis-size="{size}" data-wrn-axis-color="{color}" data-wrn-axis-variant="{variant}" data-wrn-open="{open || visible}"
class="wrn-context-menu__panel"
data-wrn-anchored="true"
data-show='{open || visible}'
role="menu"
aria-label='{label}'
>
{#if title || description}
<div data-wrn-owner="ContextMenu" data-wrn-part="header" data-wrn-axis-size="{size}" data-wrn-axis-color="{color}" data-wrn-axis-variant="{variant}" data-wrn-open="{open || visible}" class="wrn-context-menu__header">
{#if title}
<strong>{title}</strong>
{/if}
{#if description}
<span>{description}</span>
{/if}
</div>
{/if}
<slot name="header"></slot>
<div data-wrn-owner="ContextMenu" data-wrn-part="items" data-wrn-axis-size="{size}" data-wrn-axis-color="{color}" data-wrn-axis-variant="{variant}" data-wrn-open="{open || visible}" class="wrn-context-menu__items">
{#each items as item, itemIndex}
{#if item.type === "divider"}
<div data-wrn-owner="ContextMenu" data-wrn-part="divider" data-wrn-axis-size="{size}" data-wrn-axis-color="{color}" data-wrn-axis-variant="{variant}" data-wrn-open="{open || visible}" class="wrn-context-menu__divider" role="separator"></div>
{:else if item.type === "header"}
<div data-wrn-owner="ContextMenu" data-wrn-part="sectionLabel" data-wrn-axis-size="{size}" data-wrn-axis-color="{color}" data-wrn-axis-variant="{variant}" data-wrn-open="{open || visible}" class="wrn-context-menu__section-label">{item.label || item.title}</div>
{:else if item.href}
<a data-wrn-owner="ContextMenu" data-wrn-part="item" data-wrn-axis-size="{size}" data-wrn-axis-color="{color}" data-wrn-axis-variant="{variant}" data-wrn-open="{open || visible}"
href='{item.href}'
target='{item.target || ""}'
rel='{item.external || item.target === "_blank" ? "noopener noreferrer" : (item.rel || "")}'
role="menuitem"
data-context-menu-item
data-danger='{item.danger ? "true" : "false"}'
data-selected='{item.selected || item.checked ? "true" : "false"}'
aria-disabled='{item.disabled ? "true" : "false"}'
class="wrn-context-menu__item"
@click='chooseItem(item, itemIndex, event)'
>
{#if item.icon}
<span data-wrn-owner="ContextMenu" data-wrn-part="icon" data-wrn-axis-size="{size}" data-wrn-axis-color="{color}" data-wrn-axis-variant="{variant}" data-wrn-open="{open || visible}" class='wrn-context-menu__icon {item.icon}' aria-hidden="true"></span>
{/if}
<span data-wrn-owner="ContextMenu" data-wrn-part="copy" data-wrn-axis-size="{size}" data-wrn-axis-color="{color}" data-wrn-axis-variant="{variant}" data-wrn-open="{open || visible}" class="wrn-context-menu__copy">
<strong>{item.label || item.title}</strong>
{#if item.description}
<small>{item.description}</small>
{/if}
</span>
{#if item.shortcut}
<kbd>{item.shortcut}</kbd>
{:else if item.checked || item.selected}
<span data-wrn-owner="ContextMenu" data-wrn-part="status" data-wrn-axis-size="{size}" data-wrn-axis-color="{color}" data-wrn-axis-variant="{variant}" data-wrn-open="{open || visible}" class="icon-[lucide--check] wrn-context-menu__status" aria-hidden="true"></span>
{:else if item.external}
<span data-wrn-owner="ContextMenu" data-wrn-part="status" data-wrn-axis-size="{size}" data-wrn-axis-color="{color}" data-wrn-axis-variant="{variant}" data-wrn-open="{open || visible}" class="icon-[lucide--arrow-up-right] wrn-context-menu__status" aria-hidden="true"></span>
{/if}
</a>
{:else}
<button data-wrn-owner="ContextMenu" data-wrn-part="item" data-wrn-axis-size="{size}" data-wrn-axis-color="{color}" data-wrn-axis-variant="{variant}" data-wrn-open="{open || visible}"
type="button"
role="menuitem"
data-context-menu-item
data-danger='{item.danger ? "true" : "false"}'
data-selected='{item.selected || item.checked ? "true" : "false"}'
disabled='{item.disabled}'
class="wrn-context-menu__item"
@click='chooseItem(item, itemIndex, event)'
>
{#if item.icon}
<span data-wrn-owner="ContextMenu" data-wrn-part="icon" data-wrn-axis-size="{size}" data-wrn-axis-color="{color}" data-wrn-axis-variant="{variant}" data-wrn-open="{open || visible}" class='wrn-context-menu__icon {item.icon}' aria-hidden="true"></span>
{/if}
<span data-wrn-owner="ContextMenu" data-wrn-part="copy" data-wrn-axis-size="{size}" data-wrn-axis-color="{color}" data-wrn-axis-variant="{variant}" data-wrn-open="{open || visible}" class="wrn-context-menu__copy">
<strong>{item.label || item.title}</strong>
{#if item.description}
<small>{item.description}</small>
{/if}
</span>
{#if item.shortcut}
<kbd>{item.shortcut}</kbd>
{:else if item.checked || item.selected}
<span data-wrn-owner="ContextMenu" data-wrn-part="status" data-wrn-axis-size="{size}" data-wrn-axis-color="{color}" data-wrn-axis-variant="{variant}" data-wrn-open="{open || visible}" class="icon-[lucide--check] wrn-context-menu__status" aria-hidden="true"></span>
{/if}
</button>
{/if}
{/each}
</div>
<slot></slot>
<slot name="footer"></slot>
</div>
</div>
}
style {
.wrn-context-menu {
--context-accent: var(--wrn-color-primary);
--context-soft: var(--wrn-color-primary-soft);
position: relative;
display: block;
min-width: 0;
}
.wrn-context-menu[data-color="secondary"] {
--context-accent: var(--wrn-color-secondary);
--context-soft: var(--wrn-color-secondary-soft);
}
.wrn-context-menu[data-color="info"] {
--context-accent: var(--wrn-color-info);
--context-soft: var(--wrn-color-info-soft);
}
.wrn-context-menu[data-color="success"] {
--context-accent: var(--wrn-color-success);
--context-soft: var(--wrn-color-success-soft);
}
.wrn-context-menu[data-color="warning"] {
--context-accent: var(--wrn-color-warning);
--context-soft: var(--wrn-color-warning-soft);
}
.wrn-context-menu[data-color="danger"] {
--context-accent: var(--wrn-color-danger);
--context-soft: var(--wrn-color-danger-soft);
}
.wrn-context-menu__trigger {
display: block;
min-width: 0;
outline: none;
}
.wrn-context-menu__trigger:focus-visible {
border-radius: var(--wrn-radius-sm, 6px);
outline: 2px solid var(--wrn-color-focus);
outline-offset: 3px;
}
.wrn-context-menu__dismiss-layer {
position: fixed;
inset: 0;
z-index: 1090;
appearance: none;
padding: 0;
background: transparent;
border: 0;
}
.wrn-context-menu__panel {
position: absolute;
z-index: 1091;
top: calc(100% + 0.375rem);
left: 0;
width: max-content;
min-width: var(--wrn-context-min-width);
max-width: min(var(--wrn-context-max-width), calc(100vw - 1.5rem));
padding: 0.3rem;
color: var(--wrn-color-text);
background: var(--wrn-color-surface-raised);
border: 1px solid var(--wrn-color-border);
border-radius: var(--wrn-radius);
box-shadow: var(--wrn-highlight-edge, none), var(--wrn-shadow-3);
transform-origin: top left;
}
.wrn-context-menu[data-placement="pointer"] .wrn-context-menu__panel {
position: fixed;
top: var(--wrn-context-y);
left: var(--wrn-context-x);
}
.wrn-context-menu[data-placement="bottom-end"] .wrn-context-menu__panel {
right: 0;
left: auto;
transform-origin: top right;
}
.wrn-context-menu[data-placement="top-start"] .wrn-context-menu__panel {
top: auto;
bottom: calc(100% + 0.5rem);
transform-origin: bottom left;
}
.wrn-context-menu[data-placement="top-end"] .wrn-context-menu__panel {
top: auto;
right: 0;
bottom: calc(100% + 0.5rem);
left: auto;
transform-origin: bottom right;
}
.wrn-context-menu[data-variant="soft"] .wrn-context-menu__panel {
background: color-mix(in srgb, var(--context-accent) 4%, var(--wrn-color-surface-raised));
box-shadow: var(--wrn-shadow-3);
}
.wrn-context-menu[data-variant="outline"] .wrn-context-menu__panel {
background: var(--wrn-color-surface-raised);
box-shadow: none;
}
.wrn-context-menu__header {
display: grid;
gap: 0.15rem;
padding: 0.5rem 0.625rem 0.625rem;
margin: -0.3rem -0.3rem 0.25rem;
border-bottom: 1px solid var(--wrn-color-border);
}
.wrn-context-menu__header strong {
font-size: 0.8125rem;
font-weight: 620;
}
.wrn-context-menu__header span {
color: var(--wrn-color-text-muted);
font-size: 0.75rem;
line-height: 1.45;
}
.wrn-context-menu__items {
display: grid;
gap: 0.15rem;
padding-block: 0.25rem;
}
.wrn-context-menu__section-label {
padding: 0.5rem 0.625rem 0.25rem;
color: var(--wrn-color-text-subtle, var(--wrn-color-text-muted));
font-family: var(--wrn-font-mono, monospace);
font-size: 0.65rem;
font-weight: 600;
letter-spacing: 0.08em;
text-transform: uppercase;
}
.wrn-context-menu__divider {
height: 1px;
margin: 0.25rem -0.3rem;
background: var(--wrn-color-border);
}
.wrn-context-menu__item {
appearance: none;
display: grid;
grid-template-columns: auto minmax(0, 1fr) auto;
align-items: center;
gap: 0.625rem;
width: 100%;
min-width: 0;
padding: 0.5rem 0.625rem;
color: var(--wrn-color-text);
background: transparent;
border: 0;
border-radius: calc(var(--wrn-radius-sm) - 2px);
font: inherit;
font-size: 0.8125rem;
text-align: left;
text-decoration: none;
cursor: pointer;
transition: background-color 120ms ease, color 120ms ease;
}
.wrn-context-menu__item:hover,
.wrn-context-menu__item:focus-visible,
.wrn-context-menu__item[data-selected="true"] {
color: var(--wrn-color-text);
background: var(--wrn-color-surface-muted, var(--wrn-color-surface-soft));
outline: none;
}
.wrn-context-menu__item:active {
transform: none;
background: color-mix(in srgb, var(--context-accent) 10%, var(--wrn-color-surface-muted, var(--wrn-color-surface-soft)));
}
.wrn-context-menu__item[data-danger="true"] {
color: var(--wrn-color-danger);
}
.wrn-context-menu__item[data-danger="true"]:hover,
.wrn-context-menu__item[data-danger="true"]:focus-visible {
background: var(--wrn-color-danger-soft);
}
.wrn-context-menu__item[disabled],
.wrn-context-menu__item[aria-disabled="true"] {
opacity: 0.48;
pointer-events: none;
}
.wrn-context-menu__icon,
.wrn-context-menu__status {
width: 1rem;
height: 1rem;
color: currentColor;
}
.wrn-context-menu__copy {
display: grid;
gap: 0.12rem;
min-width: 0;
}
.wrn-context-menu__copy strong {
overflow: hidden;
font-size: 0.8125rem;
font-weight: 550;
line-height: 1.35;
text-overflow: ellipsis;
white-space: nowrap;
}
.wrn-context-menu__copy small {
overflow: hidden;
color: var(--wrn-color-text-muted);
font-size: 0.72rem;
line-height: 1.35;
text-overflow: ellipsis;
white-space: nowrap;
}
.wrn-context-menu kbd {
padding: 0.125rem 0.35rem;
color: var(--wrn-color-text-subtle, var(--wrn-color-text-muted));
background: var(--wrn-color-surface-soft);
border: 1px solid var(--wrn-color-border);
border-bottom-width: 2px;
border-radius: 0.3rem;
font-size: 0.65rem;
font-family: var(--wrn-font-mono, monospace);
}
.wrn-context-menu[data-size="sm"] .wrn-context-menu__item {
padding: 0.52rem 0.6rem;
}
.wrn-context-menu[data-size="lg"] .wrn-context-menu__item {
padding: 0.78rem 0.82rem;
}
@media (max-width: 639px) {
.wrn-context-menu[data-placement="pointer"] .wrn-context-menu__panel {
right: 0.75rem;
bottom: 0.75rem;
left: 0.75rem;
top: auto;
width: auto;
max-width: none;
}
}
@media (prefers-reduced-motion: reduce) {
.wrn-context-menu__item {
transition: none;
}
}
}
}